PackageManagerService.java revision 069ed7003b3de1f87d28413cc2debc9042386d3c
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 final ServiceThread mHandlerThread; 502 503 final PackageHandler mHandler; 504 505 private final ProcessLoggingHandler mProcessLoggingHandler; 506 507 /** 508 * Messages for {@link #mHandler} that need to wait for system ready before 509 * being dispatched. 510 */ 511 private ArrayList<Message> mPostSystemReadyMessages; 512 513 final int mSdkVersion = Build.VERSION.SDK_INT; 514 515 final Context mContext; 516 final boolean mFactoryTest; 517 final boolean mOnlyCore; 518 final DisplayMetrics mMetrics; 519 final int mDefParseFlags; 520 final String[] mSeparateProcesses; 521 final boolean mIsUpgrade; 522 final boolean mIsPreNUpgrade; 523 524 /** The location for ASEC container files on internal storage. */ 525 final String mAsecInternalPath; 526 527 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 528 // LOCK HELD. Can be called with mInstallLock held. 529 @GuardedBy("mInstallLock") 530 final Installer mInstaller; 531 532 /** Directory where installed third-party apps stored */ 533 final File mAppInstallDir; 534 final File mEphemeralInstallDir; 535 536 /** 537 * Directory to which applications installed internally have their 538 * 32 bit native libraries copied. 539 */ 540 private File mAppLib32InstallDir; 541 542 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 543 // apps. 544 final File mDrmAppPrivateInstallDir; 545 546 // ---------------------------------------------------------------- 547 548 // Lock for state used when installing and doing other long running 549 // operations. Methods that must be called with this lock held have 550 // the suffix "LI". 551 final Object mInstallLock = new Object(); 552 553 // ---------------------------------------------------------------- 554 555 // Keys are String (package name), values are Package. This also serves 556 // as the lock for the global state. Methods that must be called with 557 // this lock held have the prefix "LP". 558 @GuardedBy("mPackages") 559 final ArrayMap<String, PackageParser.Package> mPackages = 560 new ArrayMap<String, PackageParser.Package>(); 561 562 final ArrayMap<String, Set<String>> mKnownCodebase = 563 new ArrayMap<String, Set<String>>(); 564 565 // Tracks available target package names -> overlay package paths. 566 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 567 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 568 569 /** 570 * Tracks new system packages [received in an OTA] that we expect to 571 * find updated user-installed versions. Keys are package name, values 572 * are package location. 573 */ 574 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 575 /** 576 * Tracks high priority intent filters for protected actions. During boot, certain 577 * filter actions are protected and should never be allowed to have a high priority 578 * intent filter for them. However, there is one, and only one exception -- the 579 * setup wizard. It must be able to define a high priority intent filter for these 580 * actions to ensure there are no escapes from the wizard. We need to delay processing 581 * of these during boot as we need to look at all of the system packages in order 582 * to know which component is the setup wizard. 583 */ 584 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 585 /** 586 * Whether or not processing protected filters should be deferred. 587 */ 588 private boolean mDeferProtectedFilters = true; 589 590 /** 591 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 592 */ 593 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 594 /** 595 * Whether or not system app permissions should be promoted from install to runtime. 596 */ 597 boolean mPromoteSystemApps; 598 599 @GuardedBy("mPackages") 600 final Settings mSettings; 601 602 /** 603 * Set of package names that are currently "frozen", which means active 604 * surgery is being done on the code/data for that package. The platform 605 * will refuse to launch frozen packages to avoid race conditions. 606 * 607 * @see PackageFreezer 608 */ 609 @GuardedBy("mPackages") 610 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 611 612 boolean mRestoredSettings; 613 614 // System configuration read by SystemConfig. 615 final int[] mGlobalGids; 616 final SparseArray<ArraySet<String>> mSystemPermissions; 617 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 618 619 // If mac_permissions.xml was found for seinfo labeling. 620 boolean mFoundPolicyFile; 621 622 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 623 624 public static final class SharedLibraryEntry { 625 public final String path; 626 public final String apk; 627 628 SharedLibraryEntry(String _path, String _apk) { 629 path = _path; 630 apk = _apk; 631 } 632 } 633 634 // Currently known shared libraries. 635 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 636 new ArrayMap<String, SharedLibraryEntry>(); 637 638 // All available activities, for your resolving pleasure. 639 final ActivityIntentResolver mActivities = 640 new ActivityIntentResolver(); 641 642 // All available receivers, for your resolving pleasure. 643 final ActivityIntentResolver mReceivers = 644 new ActivityIntentResolver(); 645 646 // All available services, for your resolving pleasure. 647 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 648 649 // All available providers, for your resolving pleasure. 650 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 651 652 // Mapping from provider base names (first directory in content URI codePath) 653 // to the provider information. 654 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 655 new ArrayMap<String, PackageParser.Provider>(); 656 657 // Mapping from instrumentation class names to info about them. 658 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 659 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 660 661 // Mapping from permission names to info about them. 662 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 663 new ArrayMap<String, PackageParser.PermissionGroup>(); 664 665 // Packages whose data we have transfered into another package, thus 666 // should no longer exist. 667 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 668 669 // Broadcast actions that are only available to the system. 670 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 671 672 /** List of packages waiting for verification. */ 673 final SparseArray<PackageVerificationState> mPendingVerification 674 = new SparseArray<PackageVerificationState>(); 675 676 /** Set of packages associated with each app op permission. */ 677 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 678 679 final PackageInstallerService mInstallerService; 680 681 private final PackageDexOptimizer mPackageDexOptimizer; 682 683 private AtomicInteger mNextMoveId = new AtomicInteger(); 684 private final MoveCallbacks mMoveCallbacks; 685 686 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 687 688 // Cache of users who need badging. 689 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 690 691 /** Token for keys in mPendingVerification. */ 692 private int mPendingVerificationToken = 0; 693 694 volatile boolean mSystemReady; 695 volatile boolean mSafeMode; 696 volatile boolean mHasSystemUidErrors; 697 698 ApplicationInfo mAndroidApplication; 699 final ActivityInfo mResolveActivity = new ActivityInfo(); 700 final ResolveInfo mResolveInfo = new ResolveInfo(); 701 ComponentName mResolveComponentName; 702 PackageParser.Package mPlatformPackage; 703 ComponentName mCustomResolverComponentName; 704 705 boolean mResolverReplaced = false; 706 707 private final @Nullable ComponentName mIntentFilterVerifierComponent; 708 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 709 710 private int mIntentFilterVerificationToken = 0; 711 712 /** Component that knows whether or not an ephemeral application exists */ 713 final ComponentName mEphemeralResolverComponent; 714 /** The service connection to the ephemeral resolver */ 715 final EphemeralResolverConnection mEphemeralResolverConnection; 716 717 /** Component used to install ephemeral applications */ 718 final ComponentName mEphemeralInstallerComponent; 719 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 720 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 721 722 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 723 = new SparseArray<IntentFilterVerificationState>(); 724 725 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 726 new DefaultPermissionGrantPolicy(this); 727 728 // List of packages names to keep cached, even if they are uninstalled for all users 729 private List<String> mKeepUninstalledPackages; 730 731 private static class IFVerificationParams { 732 PackageParser.Package pkg; 733 boolean replacing; 734 int userId; 735 int verifierUid; 736 737 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 738 int _userId, int _verifierUid) { 739 pkg = _pkg; 740 replacing = _replacing; 741 userId = _userId; 742 replacing = _replacing; 743 verifierUid = _verifierUid; 744 } 745 } 746 747 private interface IntentFilterVerifier<T extends IntentFilter> { 748 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 749 T filter, String packageName); 750 void startVerifications(int userId); 751 void receiveVerificationResponse(int verificationId); 752 } 753 754 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 755 private Context mContext; 756 private ComponentName mIntentFilterVerifierComponent; 757 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 758 759 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 760 mContext = context; 761 mIntentFilterVerifierComponent = verifierComponent; 762 } 763 764 private String getDefaultScheme() { 765 return IntentFilter.SCHEME_HTTPS; 766 } 767 768 @Override 769 public void startVerifications(int userId) { 770 // Launch verifications requests 771 int count = mCurrentIntentFilterVerifications.size(); 772 for (int n=0; n<count; n++) { 773 int verificationId = mCurrentIntentFilterVerifications.get(n); 774 final IntentFilterVerificationState ivs = 775 mIntentFilterVerificationStates.get(verificationId); 776 777 String packageName = ivs.getPackageName(); 778 779 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 780 final int filterCount = filters.size(); 781 ArraySet<String> domainsSet = new ArraySet<>(); 782 for (int m=0; m<filterCount; m++) { 783 PackageParser.ActivityIntentInfo filter = filters.get(m); 784 domainsSet.addAll(filter.getHostsList()); 785 } 786 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 787 synchronized (mPackages) { 788 if (mSettings.createIntentFilterVerificationIfNeededLPw( 789 packageName, domainsList) != null) { 790 scheduleWriteSettingsLocked(); 791 } 792 } 793 sendVerificationRequest(userId, verificationId, ivs); 794 } 795 mCurrentIntentFilterVerifications.clear(); 796 } 797 798 private void sendVerificationRequest(int userId, int verificationId, 799 IntentFilterVerificationState ivs) { 800 801 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 802 verificationIntent.putExtra( 803 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 804 verificationId); 805 verificationIntent.putExtra( 806 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 807 getDefaultScheme()); 808 verificationIntent.putExtra( 809 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 810 ivs.getHostsString()); 811 verificationIntent.putExtra( 812 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 813 ivs.getPackageName()); 814 verificationIntent.setComponent(mIntentFilterVerifierComponent); 815 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 816 817 UserHandle user = new UserHandle(userId); 818 mContext.sendBroadcastAsUser(verificationIntent, user); 819 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 820 "Sending IntentFilter verification broadcast"); 821 } 822 823 public void receiveVerificationResponse(int verificationId) { 824 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 825 826 final boolean verified = ivs.isVerified(); 827 828 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 829 final int count = filters.size(); 830 if (DEBUG_DOMAIN_VERIFICATION) { 831 Slog.i(TAG, "Received verification response " + verificationId 832 + " for " + count + " filters, verified=" + verified); 833 } 834 for (int n=0; n<count; n++) { 835 PackageParser.ActivityIntentInfo filter = filters.get(n); 836 filter.setVerified(verified); 837 838 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 839 + " verified with result:" + verified + " and hosts:" 840 + ivs.getHostsString()); 841 } 842 843 mIntentFilterVerificationStates.remove(verificationId); 844 845 final String packageName = ivs.getPackageName(); 846 IntentFilterVerificationInfo ivi = null; 847 848 synchronized (mPackages) { 849 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 850 } 851 if (ivi == null) { 852 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 853 + verificationId + " packageName:" + packageName); 854 return; 855 } 856 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 857 "Updating IntentFilterVerificationInfo for package " + packageName 858 +" verificationId:" + verificationId); 859 860 synchronized (mPackages) { 861 if (verified) { 862 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 863 } else { 864 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 865 } 866 scheduleWriteSettingsLocked(); 867 868 final int userId = ivs.getUserId(); 869 if (userId != UserHandle.USER_ALL) { 870 final int userStatus = 871 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 872 873 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 874 boolean needUpdate = false; 875 876 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 877 // already been set by the User thru the Disambiguation dialog 878 switch (userStatus) { 879 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 880 if (verified) { 881 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 882 } else { 883 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 884 } 885 needUpdate = true; 886 break; 887 888 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 889 if (verified) { 890 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 891 needUpdate = true; 892 } 893 break; 894 895 default: 896 // Nothing to do 897 } 898 899 if (needUpdate) { 900 mSettings.updateIntentFilterVerificationStatusLPw( 901 packageName, updatedStatus, userId); 902 scheduleWritePackageRestrictionsLocked(userId); 903 } 904 } 905 } 906 } 907 908 @Override 909 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 910 ActivityIntentInfo filter, String packageName) { 911 if (!hasValidDomains(filter)) { 912 return false; 913 } 914 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 915 if (ivs == null) { 916 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 917 packageName); 918 } 919 if (DEBUG_DOMAIN_VERIFICATION) { 920 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 921 } 922 ivs.addFilter(filter); 923 return true; 924 } 925 926 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 927 int userId, int verificationId, String packageName) { 928 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 929 verifierUid, userId, packageName); 930 ivs.setPendingState(); 931 synchronized (mPackages) { 932 mIntentFilterVerificationStates.append(verificationId, ivs); 933 mCurrentIntentFilterVerifications.add(verificationId); 934 } 935 return ivs; 936 } 937 } 938 939 private static boolean hasValidDomains(ActivityIntentInfo filter) { 940 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 941 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 942 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 943 } 944 945 // Set of pending broadcasts for aggregating enable/disable of components. 946 static class PendingPackageBroadcasts { 947 // for each user id, a map of <package name -> components within that package> 948 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 949 950 public PendingPackageBroadcasts() { 951 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 952 } 953 954 public ArrayList<String> get(int userId, String packageName) { 955 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 956 return packages.get(packageName); 957 } 958 959 public void put(int userId, String packageName, ArrayList<String> components) { 960 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 961 packages.put(packageName, components); 962 } 963 964 public void remove(int userId, String packageName) { 965 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 966 if (packages != null) { 967 packages.remove(packageName); 968 } 969 } 970 971 public void remove(int userId) { 972 mUidMap.remove(userId); 973 } 974 975 public int userIdCount() { 976 return mUidMap.size(); 977 } 978 979 public int userIdAt(int n) { 980 return mUidMap.keyAt(n); 981 } 982 983 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 984 return mUidMap.get(userId); 985 } 986 987 public int size() { 988 // total number of pending broadcast entries across all userIds 989 int num = 0; 990 for (int i = 0; i< mUidMap.size(); i++) { 991 num += mUidMap.valueAt(i).size(); 992 } 993 return num; 994 } 995 996 public void clear() { 997 mUidMap.clear(); 998 } 999 1000 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1001 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1002 if (map == null) { 1003 map = new ArrayMap<String, ArrayList<String>>(); 1004 mUidMap.put(userId, map); 1005 } 1006 return map; 1007 } 1008 } 1009 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1010 1011 // Service Connection to remote media container service to copy 1012 // package uri's from external media onto secure containers 1013 // or internal storage. 1014 private IMediaContainerService mContainerService = null; 1015 1016 static final int SEND_PENDING_BROADCAST = 1; 1017 static final int MCS_BOUND = 3; 1018 static final int END_COPY = 4; 1019 static final int INIT_COPY = 5; 1020 static final int MCS_UNBIND = 6; 1021 static final int START_CLEANING_PACKAGE = 7; 1022 static final int FIND_INSTALL_LOC = 8; 1023 static final int POST_INSTALL = 9; 1024 static final int MCS_RECONNECT = 10; 1025 static final int MCS_GIVE_UP = 11; 1026 static final int UPDATED_MEDIA_STATUS = 12; 1027 static final int WRITE_SETTINGS = 13; 1028 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1029 static final int PACKAGE_VERIFIED = 15; 1030 static final int CHECK_PENDING_VERIFICATION = 16; 1031 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1032 static final int INTENT_FILTER_VERIFIED = 18; 1033 1034 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1035 1036 // Delay time in millisecs 1037 static final int BROADCAST_DELAY = 10 * 1000; 1038 1039 static UserManagerService sUserManager; 1040 1041 // Stores a list of users whose package restrictions file needs to be updated 1042 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1043 1044 final private DefaultContainerConnection mDefContainerConn = 1045 new DefaultContainerConnection(); 1046 class DefaultContainerConnection implements ServiceConnection { 1047 public void onServiceConnected(ComponentName name, IBinder service) { 1048 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1049 IMediaContainerService imcs = 1050 IMediaContainerService.Stub.asInterface(service); 1051 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1052 } 1053 1054 public void onServiceDisconnected(ComponentName name) { 1055 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1056 } 1057 } 1058 1059 // Recordkeeping of restore-after-install operations that are currently in flight 1060 // between the Package Manager and the Backup Manager 1061 static class PostInstallData { 1062 public InstallArgs args; 1063 public PackageInstalledInfo res; 1064 1065 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1066 args = _a; 1067 res = _r; 1068 } 1069 } 1070 1071 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1072 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1073 1074 // XML tags for backup/restore of various bits of state 1075 private static final String TAG_PREFERRED_BACKUP = "pa"; 1076 private static final String TAG_DEFAULT_APPS = "da"; 1077 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1078 1079 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1080 private static final String TAG_ALL_GRANTS = "rt-grants"; 1081 private static final String TAG_GRANT = "grant"; 1082 private static final String ATTR_PACKAGE_NAME = "pkg"; 1083 1084 private static final String TAG_PERMISSION = "perm"; 1085 private static final String ATTR_PERMISSION_NAME = "name"; 1086 private static final String ATTR_IS_GRANTED = "g"; 1087 private static final String ATTR_USER_SET = "set"; 1088 private static final String ATTR_USER_FIXED = "fixed"; 1089 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1090 1091 // System/policy permission grants are not backed up 1092 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1093 FLAG_PERMISSION_POLICY_FIXED 1094 | FLAG_PERMISSION_SYSTEM_FIXED 1095 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1096 1097 // And we back up these user-adjusted states 1098 private static final int USER_RUNTIME_GRANT_MASK = 1099 FLAG_PERMISSION_USER_SET 1100 | FLAG_PERMISSION_USER_FIXED 1101 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1102 1103 final @Nullable String mRequiredVerifierPackage; 1104 final @NonNull String mRequiredInstallerPackage; 1105 final @Nullable String mSetupWizardPackage; 1106 final @NonNull String mServicesSystemSharedLibraryPackageName; 1107 1108 private final PackageUsage mPackageUsage = new PackageUsage(); 1109 1110 private class PackageUsage { 1111 private static final int WRITE_INTERVAL 1112 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1113 1114 private final Object mFileLock = new Object(); 1115 private final AtomicLong mLastWritten = new AtomicLong(0); 1116 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1117 1118 private boolean mIsHistoricalPackageUsageAvailable = true; 1119 1120 boolean isHistoricalPackageUsageAvailable() { 1121 return mIsHistoricalPackageUsageAvailable; 1122 } 1123 1124 void write(boolean force) { 1125 if (force) { 1126 writeInternal(); 1127 return; 1128 } 1129 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1130 && !DEBUG_DEXOPT) { 1131 return; 1132 } 1133 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1134 new Thread("PackageUsage_DiskWriter") { 1135 @Override 1136 public void run() { 1137 try { 1138 writeInternal(); 1139 } finally { 1140 mBackgroundWriteRunning.set(false); 1141 } 1142 } 1143 }.start(); 1144 } 1145 } 1146 1147 private void writeInternal() { 1148 synchronized (mPackages) { 1149 synchronized (mFileLock) { 1150 AtomicFile file = getFile(); 1151 FileOutputStream f = null; 1152 try { 1153 f = file.startWrite(); 1154 BufferedOutputStream out = new BufferedOutputStream(f); 1155 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1156 StringBuilder sb = new StringBuilder(); 1157 for (PackageParser.Package pkg : mPackages.values()) { 1158 if (pkg.mLastPackageUsageTimeInMills == 0) { 1159 continue; 1160 } 1161 sb.setLength(0); 1162 sb.append(pkg.packageName); 1163 sb.append(' '); 1164 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1165 sb.append('\n'); 1166 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1167 } 1168 out.flush(); 1169 file.finishWrite(f); 1170 } catch (IOException e) { 1171 if (f != null) { 1172 file.failWrite(f); 1173 } 1174 Log.e(TAG, "Failed to write package usage times", e); 1175 } 1176 } 1177 } 1178 mLastWritten.set(SystemClock.elapsedRealtime()); 1179 } 1180 1181 void readLP() { 1182 synchronized (mFileLock) { 1183 AtomicFile file = getFile(); 1184 BufferedInputStream in = null; 1185 try { 1186 in = new BufferedInputStream(file.openRead()); 1187 StringBuffer sb = new StringBuffer(); 1188 while (true) { 1189 String packageName = readToken(in, sb, ' '); 1190 if (packageName == null) { 1191 break; 1192 } 1193 String timeInMillisString = readToken(in, sb, '\n'); 1194 if (timeInMillisString == null) { 1195 throw new IOException("Failed to find last usage time for package " 1196 + packageName); 1197 } 1198 PackageParser.Package pkg = mPackages.get(packageName); 1199 if (pkg == null) { 1200 continue; 1201 } 1202 long timeInMillis; 1203 try { 1204 timeInMillis = Long.parseLong(timeInMillisString); 1205 } catch (NumberFormatException e) { 1206 throw new IOException("Failed to parse " + timeInMillisString 1207 + " as a long.", e); 1208 } 1209 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1210 } 1211 } catch (FileNotFoundException expected) { 1212 mIsHistoricalPackageUsageAvailable = false; 1213 } catch (IOException e) { 1214 Log.w(TAG, "Failed to read package usage times", e); 1215 } finally { 1216 IoUtils.closeQuietly(in); 1217 } 1218 } 1219 mLastWritten.set(SystemClock.elapsedRealtime()); 1220 } 1221 1222 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1223 throws IOException { 1224 sb.setLength(0); 1225 while (true) { 1226 int ch = in.read(); 1227 if (ch == -1) { 1228 if (sb.length() == 0) { 1229 return null; 1230 } 1231 throw new IOException("Unexpected EOF"); 1232 } 1233 if (ch == endOfToken) { 1234 return sb.toString(); 1235 } 1236 sb.append((char)ch); 1237 } 1238 } 1239 1240 private AtomicFile getFile() { 1241 File dataDir = Environment.getDataDirectory(); 1242 File systemDir = new File(dataDir, "system"); 1243 File fname = new File(systemDir, "package-usage.list"); 1244 return new AtomicFile(fname); 1245 } 1246 } 1247 1248 class PackageHandler extends Handler { 1249 private boolean mBound = false; 1250 final ArrayList<HandlerParams> mPendingInstalls = 1251 new ArrayList<HandlerParams>(); 1252 1253 private boolean connectToService() { 1254 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1255 " DefaultContainerService"); 1256 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1257 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1258 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1259 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1260 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1261 mBound = true; 1262 return true; 1263 } 1264 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1265 return false; 1266 } 1267 1268 private void disconnectService() { 1269 mContainerService = null; 1270 mBound = false; 1271 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1272 mContext.unbindService(mDefContainerConn); 1273 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1274 } 1275 1276 PackageHandler(Looper looper) { 1277 super(looper); 1278 } 1279 1280 public void handleMessage(Message msg) { 1281 try { 1282 doHandleMessage(msg); 1283 } finally { 1284 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1285 } 1286 } 1287 1288 void doHandleMessage(Message msg) { 1289 switch (msg.what) { 1290 case INIT_COPY: { 1291 HandlerParams params = (HandlerParams) msg.obj; 1292 int idx = mPendingInstalls.size(); 1293 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1294 // If a bind was already initiated we dont really 1295 // need to do anything. The pending install 1296 // will be processed later on. 1297 if (!mBound) { 1298 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1299 System.identityHashCode(mHandler)); 1300 // If this is the only one pending we might 1301 // have to bind to the service again. 1302 if (!connectToService()) { 1303 Slog.e(TAG, "Failed to bind to media container service"); 1304 params.serviceError(); 1305 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1306 System.identityHashCode(mHandler)); 1307 if (params.traceMethod != null) { 1308 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1309 params.traceCookie); 1310 } 1311 return; 1312 } else { 1313 // Once we bind to the service, the first 1314 // pending request will be processed. 1315 mPendingInstalls.add(idx, params); 1316 } 1317 } else { 1318 mPendingInstalls.add(idx, params); 1319 // Already bound to the service. Just make 1320 // sure we trigger off processing the first request. 1321 if (idx == 0) { 1322 mHandler.sendEmptyMessage(MCS_BOUND); 1323 } 1324 } 1325 break; 1326 } 1327 case MCS_BOUND: { 1328 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1329 if (msg.obj != null) { 1330 mContainerService = (IMediaContainerService) msg.obj; 1331 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1332 System.identityHashCode(mHandler)); 1333 } 1334 if (mContainerService == null) { 1335 if (!mBound) { 1336 // Something seriously wrong since we are not bound and we are not 1337 // waiting for connection. Bail out. 1338 Slog.e(TAG, "Cannot bind to media container service"); 1339 for (HandlerParams params : mPendingInstalls) { 1340 // Indicate service bind error 1341 params.serviceError(); 1342 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1343 System.identityHashCode(params)); 1344 if (params.traceMethod != null) { 1345 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1346 params.traceMethod, params.traceCookie); 1347 } 1348 return; 1349 } 1350 mPendingInstalls.clear(); 1351 } else { 1352 Slog.w(TAG, "Waiting to connect to media container service"); 1353 } 1354 } else if (mPendingInstalls.size() > 0) { 1355 HandlerParams params = mPendingInstalls.get(0); 1356 if (params != null) { 1357 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1358 System.identityHashCode(params)); 1359 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1360 if (params.startCopy()) { 1361 // We are done... look for more work or to 1362 // go idle. 1363 if (DEBUG_SD_INSTALL) Log.i(TAG, 1364 "Checking for more work or unbind..."); 1365 // Delete pending install 1366 if (mPendingInstalls.size() > 0) { 1367 mPendingInstalls.remove(0); 1368 } 1369 if (mPendingInstalls.size() == 0) { 1370 if (mBound) { 1371 if (DEBUG_SD_INSTALL) Log.i(TAG, 1372 "Posting delayed MCS_UNBIND"); 1373 removeMessages(MCS_UNBIND); 1374 Message ubmsg = obtainMessage(MCS_UNBIND); 1375 // Unbind after a little delay, to avoid 1376 // continual thrashing. 1377 sendMessageDelayed(ubmsg, 10000); 1378 } 1379 } else { 1380 // There are more pending requests in queue. 1381 // Just post MCS_BOUND message to trigger processing 1382 // of next pending install. 1383 if (DEBUG_SD_INSTALL) Log.i(TAG, 1384 "Posting MCS_BOUND for next work"); 1385 mHandler.sendEmptyMessage(MCS_BOUND); 1386 } 1387 } 1388 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1389 } 1390 } else { 1391 // Should never happen ideally. 1392 Slog.w(TAG, "Empty queue"); 1393 } 1394 break; 1395 } 1396 case MCS_RECONNECT: { 1397 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1398 if (mPendingInstalls.size() > 0) { 1399 if (mBound) { 1400 disconnectService(); 1401 } 1402 if (!connectToService()) { 1403 Slog.e(TAG, "Failed to bind to media container service"); 1404 for (HandlerParams params : mPendingInstalls) { 1405 // Indicate service bind error 1406 params.serviceError(); 1407 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1408 System.identityHashCode(params)); 1409 } 1410 mPendingInstalls.clear(); 1411 } 1412 } 1413 break; 1414 } 1415 case MCS_UNBIND: { 1416 // If there is no actual work left, then time to unbind. 1417 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1418 1419 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1420 if (mBound) { 1421 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1422 1423 disconnectService(); 1424 } 1425 } else if (mPendingInstalls.size() > 0) { 1426 // There are more pending requests in queue. 1427 // Just post MCS_BOUND message to trigger processing 1428 // of next pending install. 1429 mHandler.sendEmptyMessage(MCS_BOUND); 1430 } 1431 1432 break; 1433 } 1434 case MCS_GIVE_UP: { 1435 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1436 HandlerParams params = mPendingInstalls.remove(0); 1437 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1438 System.identityHashCode(params)); 1439 break; 1440 } 1441 case SEND_PENDING_BROADCAST: { 1442 String packages[]; 1443 ArrayList<String> components[]; 1444 int size = 0; 1445 int uids[]; 1446 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1447 synchronized (mPackages) { 1448 if (mPendingBroadcasts == null) { 1449 return; 1450 } 1451 size = mPendingBroadcasts.size(); 1452 if (size <= 0) { 1453 // Nothing to be done. Just return 1454 return; 1455 } 1456 packages = new String[size]; 1457 components = new ArrayList[size]; 1458 uids = new int[size]; 1459 int i = 0; // filling out the above arrays 1460 1461 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1462 int packageUserId = mPendingBroadcasts.userIdAt(n); 1463 Iterator<Map.Entry<String, ArrayList<String>>> it 1464 = mPendingBroadcasts.packagesForUserId(packageUserId) 1465 .entrySet().iterator(); 1466 while (it.hasNext() && i < size) { 1467 Map.Entry<String, ArrayList<String>> ent = it.next(); 1468 packages[i] = ent.getKey(); 1469 components[i] = ent.getValue(); 1470 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1471 uids[i] = (ps != null) 1472 ? UserHandle.getUid(packageUserId, ps.appId) 1473 : -1; 1474 i++; 1475 } 1476 } 1477 size = i; 1478 mPendingBroadcasts.clear(); 1479 } 1480 // Send broadcasts 1481 for (int i = 0; i < size; i++) { 1482 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1483 } 1484 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1485 break; 1486 } 1487 case START_CLEANING_PACKAGE: { 1488 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1489 final String packageName = (String)msg.obj; 1490 final int userId = msg.arg1; 1491 final boolean andCode = msg.arg2 != 0; 1492 synchronized (mPackages) { 1493 if (userId == UserHandle.USER_ALL) { 1494 int[] users = sUserManager.getUserIds(); 1495 for (int user : users) { 1496 mSettings.addPackageToCleanLPw( 1497 new PackageCleanItem(user, packageName, andCode)); 1498 } 1499 } else { 1500 mSettings.addPackageToCleanLPw( 1501 new PackageCleanItem(userId, packageName, andCode)); 1502 } 1503 } 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1505 startCleaningPackages(); 1506 } break; 1507 case POST_INSTALL: { 1508 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1509 1510 PostInstallData data = mRunningInstalls.get(msg.arg1); 1511 mRunningInstalls.delete(msg.arg1); 1512 1513 if (data != null) { 1514 InstallArgs args = data.args; 1515 PackageInstalledInfo parentRes = data.res; 1516 1517 final boolean grantPermissions = (args.installFlags 1518 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1519 final boolean killApp = (args.installFlags 1520 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1521 final String[] grantedPermissions = args.installGrantPermissions; 1522 1523 // Handle the parent package 1524 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1525 grantedPermissions, args.observer); 1526 1527 // Handle the child packages 1528 final int childCount = (parentRes.addedChildPackages != null) 1529 ? parentRes.addedChildPackages.size() : 0; 1530 for (int i = 0; i < childCount; i++) { 1531 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1532 handlePackagePostInstall(childRes, grantPermissions, killApp, 1533 grantedPermissions, args.observer); 1534 } 1535 1536 // Log tracing if needed 1537 if (args.traceMethod != null) { 1538 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1539 args.traceCookie); 1540 } 1541 } else { 1542 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1543 } 1544 1545 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1546 } break; 1547 case UPDATED_MEDIA_STATUS: { 1548 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1549 boolean reportStatus = msg.arg1 == 1; 1550 boolean doGc = msg.arg2 == 1; 1551 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1552 if (doGc) { 1553 // Force a gc to clear up stale containers. 1554 Runtime.getRuntime().gc(); 1555 } 1556 if (msg.obj != null) { 1557 @SuppressWarnings("unchecked") 1558 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1559 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1560 // Unload containers 1561 unloadAllContainers(args); 1562 } 1563 if (reportStatus) { 1564 try { 1565 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1566 PackageHelper.getMountService().finishMediaUpdate(); 1567 } catch (RemoteException e) { 1568 Log.e(TAG, "MountService not running?"); 1569 } 1570 } 1571 } break; 1572 case WRITE_SETTINGS: { 1573 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1574 synchronized (mPackages) { 1575 removeMessages(WRITE_SETTINGS); 1576 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1577 mSettings.writeLPr(); 1578 mDirtyUsers.clear(); 1579 } 1580 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1581 } break; 1582 case WRITE_PACKAGE_RESTRICTIONS: { 1583 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1584 synchronized (mPackages) { 1585 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1586 for (int userId : mDirtyUsers) { 1587 mSettings.writePackageRestrictionsLPr(userId); 1588 } 1589 mDirtyUsers.clear(); 1590 } 1591 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1592 } break; 1593 case CHECK_PENDING_VERIFICATION: { 1594 final int verificationId = msg.arg1; 1595 final PackageVerificationState state = mPendingVerification.get(verificationId); 1596 1597 if ((state != null) && !state.timeoutExtended()) { 1598 final InstallArgs args = state.getInstallArgs(); 1599 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1600 1601 Slog.i(TAG, "Verification timed out for " + originUri); 1602 mPendingVerification.remove(verificationId); 1603 1604 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1605 1606 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1607 Slog.i(TAG, "Continuing with installation of " + originUri); 1608 state.setVerifierResponse(Binder.getCallingUid(), 1609 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1610 broadcastPackageVerified(verificationId, originUri, 1611 PackageManager.VERIFICATION_ALLOW, 1612 state.getInstallArgs().getUser()); 1613 try { 1614 ret = args.copyApk(mContainerService, true); 1615 } catch (RemoteException e) { 1616 Slog.e(TAG, "Could not contact the ContainerService"); 1617 } 1618 } else { 1619 broadcastPackageVerified(verificationId, originUri, 1620 PackageManager.VERIFICATION_REJECT, 1621 state.getInstallArgs().getUser()); 1622 } 1623 1624 Trace.asyncTraceEnd( 1625 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1626 1627 processPendingInstall(args, ret); 1628 mHandler.sendEmptyMessage(MCS_UNBIND); 1629 } 1630 break; 1631 } 1632 case PACKAGE_VERIFIED: { 1633 final int verificationId = msg.arg1; 1634 1635 final PackageVerificationState state = mPendingVerification.get(verificationId); 1636 if (state == null) { 1637 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1638 break; 1639 } 1640 1641 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1642 1643 state.setVerifierResponse(response.callerUid, response.code); 1644 1645 if (state.isVerificationComplete()) { 1646 mPendingVerification.remove(verificationId); 1647 1648 final InstallArgs args = state.getInstallArgs(); 1649 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1650 1651 int ret; 1652 if (state.isInstallAllowed()) { 1653 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1654 broadcastPackageVerified(verificationId, originUri, 1655 response.code, state.getInstallArgs().getUser()); 1656 try { 1657 ret = args.copyApk(mContainerService, true); 1658 } catch (RemoteException e) { 1659 Slog.e(TAG, "Could not contact the ContainerService"); 1660 } 1661 } else { 1662 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1663 } 1664 1665 Trace.asyncTraceEnd( 1666 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1667 1668 processPendingInstall(args, ret); 1669 mHandler.sendEmptyMessage(MCS_UNBIND); 1670 } 1671 1672 break; 1673 } 1674 case START_INTENT_FILTER_VERIFICATIONS: { 1675 IFVerificationParams params = (IFVerificationParams) msg.obj; 1676 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1677 params.replacing, params.pkg); 1678 break; 1679 } 1680 case INTENT_FILTER_VERIFIED: { 1681 final int verificationId = msg.arg1; 1682 1683 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1684 verificationId); 1685 if (state == null) { 1686 Slog.w(TAG, "Invalid IntentFilter verification token " 1687 + verificationId + " received"); 1688 break; 1689 } 1690 1691 final int userId = state.getUserId(); 1692 1693 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1694 "Processing IntentFilter verification with token:" 1695 + verificationId + " and userId:" + userId); 1696 1697 final IntentFilterVerificationResponse response = 1698 (IntentFilterVerificationResponse) msg.obj; 1699 1700 state.setVerifierResponse(response.callerUid, response.code); 1701 1702 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1703 "IntentFilter verification with token:" + verificationId 1704 + " and userId:" + userId 1705 + " is settings verifier response with response code:" 1706 + response.code); 1707 1708 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1709 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1710 + response.getFailedDomainsString()); 1711 } 1712 1713 if (state.isVerificationComplete()) { 1714 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1715 } else { 1716 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1717 "IntentFilter verification with token:" + verificationId 1718 + " was not said to be complete"); 1719 } 1720 1721 break; 1722 } 1723 } 1724 } 1725 } 1726 1727 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1728 boolean killApp, String[] grantedPermissions, 1729 IPackageInstallObserver2 installObserver) { 1730 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1731 // Send the removed broadcasts 1732 if (res.removedInfo != null) { 1733 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1734 } 1735 1736 // Now that we successfully installed the package, grant runtime 1737 // permissions if requested before broadcasting the install. 1738 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1739 >= Build.VERSION_CODES.M) { 1740 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1741 } 1742 1743 final boolean update = res.removedInfo != null 1744 && res.removedInfo.removedPackage != null; 1745 1746 // If this is the first time we have child packages for a disabled privileged 1747 // app that had no children, we grant requested runtime permissions to the new 1748 // children if the parent on the system image had them already granted. 1749 if (res.pkg.parentPackage != null) { 1750 synchronized (mPackages) { 1751 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1752 } 1753 } 1754 1755 synchronized (mPackages) { 1756 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1757 } 1758 1759 final String packageName = res.pkg.applicationInfo.packageName; 1760 Bundle extras = new Bundle(1); 1761 extras.putInt(Intent.EXTRA_UID, res.uid); 1762 1763 // Determine the set of users who are adding this package for 1764 // the first time vs. those who are seeing an update. 1765 int[] firstUsers = EMPTY_INT_ARRAY; 1766 int[] updateUsers = EMPTY_INT_ARRAY; 1767 if (res.origUsers == null || res.origUsers.length == 0) { 1768 firstUsers = res.newUsers; 1769 } else { 1770 for (int newUser : res.newUsers) { 1771 boolean isNew = true; 1772 for (int origUser : res.origUsers) { 1773 if (origUser == newUser) { 1774 isNew = false; 1775 break; 1776 } 1777 } 1778 if (isNew) { 1779 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1780 } else { 1781 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1782 } 1783 } 1784 } 1785 1786 // Send installed broadcasts if the install/update is not ephemeral 1787 if (!isEphemeral(res.pkg)) { 1788 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1789 1790 // Send added for users that see the package for the first time 1791 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1792 extras, 0 /*flags*/, null /*targetPackage*/, 1793 null /*finishedReceiver*/, firstUsers); 1794 1795 // Send added for users that don't see the package for the first time 1796 if (update) { 1797 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1798 } 1799 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1800 extras, 0 /*flags*/, null /*targetPackage*/, 1801 null /*finishedReceiver*/, updateUsers); 1802 1803 // Send replaced for users that don't see the package for the first time 1804 if (update) { 1805 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1806 packageName, extras, 0 /*flags*/, 1807 null /*targetPackage*/, null /*finishedReceiver*/, 1808 updateUsers); 1809 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1810 null /*package*/, null /*extras*/, 0 /*flags*/, 1811 packageName /*targetPackage*/, 1812 null /*finishedReceiver*/, updateUsers); 1813 } 1814 1815 // Send broadcast package appeared if forward locked/external for all users 1816 // treat asec-hosted packages like removable media on upgrade 1817 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1818 if (DEBUG_INSTALL) { 1819 Slog.i(TAG, "upgrading pkg " + res.pkg 1820 + " is ASEC-hosted -> AVAILABLE"); 1821 } 1822 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1823 ArrayList<String> pkgList = new ArrayList<>(1); 1824 pkgList.add(packageName); 1825 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1826 } 1827 } 1828 1829 // Work that needs to happen on first install within each user 1830 if (firstUsers != null && firstUsers.length > 0) { 1831 synchronized (mPackages) { 1832 for (int userId : firstUsers) { 1833 // If this app is a browser and it's newly-installed for some 1834 // users, clear any default-browser state in those users. The 1835 // app's nature doesn't depend on the user, so we can just check 1836 // its browser nature in any user and generalize. 1837 if (packageIsBrowser(packageName, userId)) { 1838 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1839 } 1840 1841 // We may also need to apply pending (restored) runtime 1842 // permission grants within these users. 1843 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1844 } 1845 } 1846 } 1847 1848 // Log current value of "unknown sources" setting 1849 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1850 getUnknownSourcesSettings()); 1851 1852 // Force a gc to clear up things 1853 Runtime.getRuntime().gc(); 1854 1855 // Remove the replaced package's older resources safely now 1856 // We delete after a gc for applications on sdcard. 1857 if (res.removedInfo != null && res.removedInfo.args != null) { 1858 synchronized (mInstallLock) { 1859 res.removedInfo.args.doPostDeleteLI(true); 1860 } 1861 } 1862 } 1863 1864 // If someone is watching installs - notify them 1865 if (installObserver != null) { 1866 try { 1867 Bundle extras = extrasForInstallResult(res); 1868 installObserver.onPackageInstalled(res.name, res.returnCode, 1869 res.returnMsg, extras); 1870 } catch (RemoteException e) { 1871 Slog.i(TAG, "Observer no longer exists."); 1872 } 1873 } 1874 } 1875 1876 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1877 PackageParser.Package pkg) { 1878 if (pkg.parentPackage == null) { 1879 return; 1880 } 1881 if (pkg.requestedPermissions == null) { 1882 return; 1883 } 1884 final PackageSetting disabledSysParentPs = mSettings 1885 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1886 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1887 || !disabledSysParentPs.isPrivileged() 1888 || (disabledSysParentPs.childPackageNames != null 1889 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1890 return; 1891 } 1892 final int[] allUserIds = sUserManager.getUserIds(); 1893 final int permCount = pkg.requestedPermissions.size(); 1894 for (int i = 0; i < permCount; i++) { 1895 String permission = pkg.requestedPermissions.get(i); 1896 BasePermission bp = mSettings.mPermissions.get(permission); 1897 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1898 continue; 1899 } 1900 for (int userId : allUserIds) { 1901 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1902 permission, userId)) { 1903 grantRuntimePermission(pkg.packageName, permission, userId); 1904 } 1905 } 1906 } 1907 } 1908 1909 private StorageEventListener mStorageListener = new StorageEventListener() { 1910 @Override 1911 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1912 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1913 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1914 final String volumeUuid = vol.getFsUuid(); 1915 1916 // Clean up any users or apps that were removed or recreated 1917 // while this volume was missing 1918 reconcileUsers(volumeUuid); 1919 reconcileApps(volumeUuid); 1920 1921 // Clean up any install sessions that expired or were 1922 // cancelled while this volume was missing 1923 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1924 1925 loadPrivatePackages(vol); 1926 1927 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1928 unloadPrivatePackages(vol); 1929 } 1930 } 1931 1932 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1933 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1934 updateExternalMediaStatus(true, false); 1935 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1936 updateExternalMediaStatus(false, false); 1937 } 1938 } 1939 } 1940 1941 @Override 1942 public void onVolumeForgotten(String fsUuid) { 1943 if (TextUtils.isEmpty(fsUuid)) { 1944 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1945 return; 1946 } 1947 1948 // Remove any apps installed on the forgotten volume 1949 synchronized (mPackages) { 1950 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1951 for (PackageSetting ps : packages) { 1952 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1953 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1954 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1955 } 1956 1957 mSettings.onVolumeForgotten(fsUuid); 1958 mSettings.writeLPr(); 1959 } 1960 } 1961 }; 1962 1963 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1964 String[] grantedPermissions) { 1965 for (int userId : userIds) { 1966 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1967 } 1968 1969 // We could have touched GID membership, so flush out packages.list 1970 synchronized (mPackages) { 1971 mSettings.writePackageListLPr(); 1972 } 1973 } 1974 1975 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1976 String[] grantedPermissions) { 1977 SettingBase sb = (SettingBase) pkg.mExtras; 1978 if (sb == null) { 1979 return; 1980 } 1981 1982 PermissionsState permissionsState = sb.getPermissionsState(); 1983 1984 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1985 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1986 1987 synchronized (mPackages) { 1988 for (String permission : pkg.requestedPermissions) { 1989 BasePermission bp = mSettings.mPermissions.get(permission); 1990 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1991 && (grantedPermissions == null 1992 || ArrayUtils.contains(grantedPermissions, permission))) { 1993 final int flags = permissionsState.getPermissionFlags(permission, userId); 1994 // Installer cannot change immutable permissions. 1995 if ((flags & immutableFlags) == 0) { 1996 grantRuntimePermission(pkg.packageName, permission, userId); 1997 } 1998 } 1999 } 2000 } 2001 } 2002 2003 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2004 Bundle extras = null; 2005 switch (res.returnCode) { 2006 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2007 extras = new Bundle(); 2008 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2009 res.origPermission); 2010 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2011 res.origPackage); 2012 break; 2013 } 2014 case PackageManager.INSTALL_SUCCEEDED: { 2015 extras = new Bundle(); 2016 extras.putBoolean(Intent.EXTRA_REPLACING, 2017 res.removedInfo != null && res.removedInfo.removedPackage != null); 2018 break; 2019 } 2020 } 2021 return extras; 2022 } 2023 2024 void scheduleWriteSettingsLocked() { 2025 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2026 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2027 } 2028 } 2029 2030 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2031 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2032 scheduleWritePackageRestrictionsLocked(userId); 2033 } 2034 2035 void scheduleWritePackageRestrictionsLocked(int userId) { 2036 final int[] userIds = (userId == UserHandle.USER_ALL) 2037 ? sUserManager.getUserIds() : new int[]{userId}; 2038 for (int nextUserId : userIds) { 2039 if (!sUserManager.exists(nextUserId)) return; 2040 mDirtyUsers.add(nextUserId); 2041 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2042 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2043 } 2044 } 2045 } 2046 2047 public static PackageManagerService main(Context context, Installer installer, 2048 boolean factoryTest, boolean onlyCore) { 2049 // Self-check for initial settings. 2050 PackageManagerServiceCompilerMapping.checkProperties(); 2051 2052 PackageManagerService m = new PackageManagerService(context, installer, 2053 factoryTest, onlyCore); 2054 m.enableSystemUserPackages(); 2055 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2056 // disabled after already being started. 2057 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2058 UserHandle.USER_SYSTEM); 2059 ServiceManager.addService("package", m); 2060 return m; 2061 } 2062 2063 private void enableSystemUserPackages() { 2064 if (!UserManager.isSplitSystemUser()) { 2065 return; 2066 } 2067 // For system user, enable apps based on the following conditions: 2068 // - app is whitelisted or belong to one of these groups: 2069 // -- system app which has no launcher icons 2070 // -- system app which has INTERACT_ACROSS_USERS permission 2071 // -- system IME app 2072 // - app is not in the blacklist 2073 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2074 Set<String> enableApps = new ArraySet<>(); 2075 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2076 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2077 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2078 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2079 enableApps.addAll(wlApps); 2080 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2081 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2082 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2083 enableApps.removeAll(blApps); 2084 Log.i(TAG, "Applications installed for system user: " + enableApps); 2085 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2086 UserHandle.SYSTEM); 2087 final int allAppsSize = allAps.size(); 2088 synchronized (mPackages) { 2089 for (int i = 0; i < allAppsSize; i++) { 2090 String pName = allAps.get(i); 2091 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2092 // Should not happen, but we shouldn't be failing if it does 2093 if (pkgSetting == null) { 2094 continue; 2095 } 2096 boolean install = enableApps.contains(pName); 2097 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2098 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2099 + " for system user"); 2100 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2101 } 2102 } 2103 } 2104 } 2105 2106 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2107 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2108 Context.DISPLAY_SERVICE); 2109 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2110 } 2111 2112 public PackageManagerService(Context context, Installer installer, 2113 boolean factoryTest, boolean onlyCore) { 2114 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2115 SystemClock.uptimeMillis()); 2116 2117 if (mSdkVersion <= 0) { 2118 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2119 } 2120 2121 mContext = context; 2122 mFactoryTest = factoryTest; 2123 mOnlyCore = onlyCore; 2124 mMetrics = new DisplayMetrics(); 2125 mSettings = new Settings(mPackages); 2126 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2127 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2128 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2129 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2130 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2131 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2132 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2133 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2134 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2135 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2136 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2137 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2138 2139 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2140 if (separateProcesses != null && separateProcesses.length() > 0) { 2141 if ("*".equals(separateProcesses)) { 2142 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2143 mSeparateProcesses = null; 2144 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2145 } else { 2146 mDefParseFlags = 0; 2147 mSeparateProcesses = separateProcesses.split(","); 2148 Slog.w(TAG, "Running with debug.separate_processes: " 2149 + separateProcesses); 2150 } 2151 } else { 2152 mDefParseFlags = 0; 2153 mSeparateProcesses = null; 2154 } 2155 2156 mInstaller = installer; 2157 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2158 "*dexopt*"); 2159 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2160 2161 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2162 FgThread.get().getLooper()); 2163 2164 getDefaultDisplayMetrics(context, mMetrics); 2165 2166 SystemConfig systemConfig = SystemConfig.getInstance(); 2167 mGlobalGids = systemConfig.getGlobalGids(); 2168 mSystemPermissions = systemConfig.getSystemPermissions(); 2169 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2170 2171 synchronized (mInstallLock) { 2172 // writer 2173 synchronized (mPackages) { 2174 mHandlerThread = new ServiceThread(TAG, 2175 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2176 mHandlerThread.start(); 2177 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2178 mProcessLoggingHandler = new ProcessLoggingHandler(); 2179 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2180 2181 File dataDir = Environment.getDataDirectory(); 2182 mAppInstallDir = new File(dataDir, "app"); 2183 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2184 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2185 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2186 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2187 2188 sUserManager = new UserManagerService(context, this, mPackages); 2189 2190 // Propagate permission configuration in to package manager. 2191 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2192 = systemConfig.getPermissions(); 2193 for (int i=0; i<permConfig.size(); i++) { 2194 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2195 BasePermission bp = mSettings.mPermissions.get(perm.name); 2196 if (bp == null) { 2197 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2198 mSettings.mPermissions.put(perm.name, bp); 2199 } 2200 if (perm.gids != null) { 2201 bp.setGids(perm.gids, perm.perUser); 2202 } 2203 } 2204 2205 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2206 for (int i=0; i<libConfig.size(); i++) { 2207 mSharedLibraries.put(libConfig.keyAt(i), 2208 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2209 } 2210 2211 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2212 2213 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2214 2215 String customResolverActivity = Resources.getSystem().getString( 2216 R.string.config_customResolverActivity); 2217 if (TextUtils.isEmpty(customResolverActivity)) { 2218 customResolverActivity = null; 2219 } else { 2220 mCustomResolverComponentName = ComponentName.unflattenFromString( 2221 customResolverActivity); 2222 } 2223 2224 long startTime = SystemClock.uptimeMillis(); 2225 2226 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2227 startTime); 2228 2229 // Set flag to monitor and not change apk file paths when 2230 // scanning install directories. 2231 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2232 2233 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2234 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2235 2236 if (bootClassPath == null) { 2237 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2238 } 2239 2240 if (systemServerClassPath == null) { 2241 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2242 } 2243 2244 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2245 final String[] dexCodeInstructionSets = 2246 getDexCodeInstructionSets( 2247 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2248 2249 /** 2250 * Ensure all external libraries have had dexopt run on them. 2251 */ 2252 if (mSharedLibraries.size() > 0) { 2253 // NOTE: For now, we're compiling these system "shared libraries" 2254 // (and framework jars) into all available architectures. It's possible 2255 // to compile them only when we come across an app that uses them (there's 2256 // already logic for that in scanPackageLI) but that adds some complexity. 2257 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2258 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2259 final String lib = libEntry.path; 2260 if (lib == null) { 2261 continue; 2262 } 2263 2264 try { 2265 // Shared libraries do not have profiles so we perform a full 2266 // AOT compilation (if needed). 2267 int dexoptNeeded = DexFile.getDexOptNeeded( 2268 lib, dexCodeInstructionSet, 2269 getCompilerFilterForReason(REASON_SHARED_APK), 2270 false /* newProfile */); 2271 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2272 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2273 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2274 getCompilerFilterForReason(REASON_SHARED_APK), 2275 StorageManager.UUID_PRIVATE_INTERNAL); 2276 } 2277 } catch (FileNotFoundException e) { 2278 Slog.w(TAG, "Library not found: " + lib); 2279 } catch (IOException | InstallerException e) { 2280 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2281 + e.getMessage()); 2282 } 2283 } 2284 } 2285 } 2286 2287 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2288 2289 final VersionInfo ver = mSettings.getInternalVersion(); 2290 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2291 2292 // when upgrading from pre-M, promote system app permissions from install to runtime 2293 mPromoteSystemApps = 2294 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2295 2296 // save off the names of pre-existing system packages prior to scanning; we don't 2297 // want to automatically grant runtime permissions for new system apps 2298 if (mPromoteSystemApps) { 2299 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2300 while (pkgSettingIter.hasNext()) { 2301 PackageSetting ps = pkgSettingIter.next(); 2302 if (isSystemApp(ps)) { 2303 mExistingSystemPackages.add(ps.name); 2304 } 2305 } 2306 } 2307 2308 // When upgrading from pre-N, we need to handle package extraction like first boot, 2309 // as there is no profiling data available. 2310 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2311 mSettings.setNWorkDone(); 2312 2313 // Collect vendor overlay packages. 2314 // (Do this before scanning any apps.) 2315 // For security and version matching reason, only consider 2316 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2317 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2318 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2319 | PackageParser.PARSE_IS_SYSTEM 2320 | PackageParser.PARSE_IS_SYSTEM_DIR 2321 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2322 2323 // Find base frameworks (resource packages without code). 2324 scanDirTracedLI(frameworkDir, mDefParseFlags 2325 | PackageParser.PARSE_IS_SYSTEM 2326 | PackageParser.PARSE_IS_SYSTEM_DIR 2327 | PackageParser.PARSE_IS_PRIVILEGED, 2328 scanFlags | SCAN_NO_DEX, 0); 2329 2330 // Collected privileged system packages. 2331 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2332 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2333 | PackageParser.PARSE_IS_SYSTEM 2334 | PackageParser.PARSE_IS_SYSTEM_DIR 2335 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2336 2337 // Collect ordinary system packages. 2338 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2339 scanDirTracedLI(systemAppDir, mDefParseFlags 2340 | PackageParser.PARSE_IS_SYSTEM 2341 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2342 2343 // Collect all vendor packages. 2344 File vendorAppDir = new File("/vendor/app"); 2345 try { 2346 vendorAppDir = vendorAppDir.getCanonicalFile(); 2347 } catch (IOException e) { 2348 // failed to look up canonical path, continue with original one 2349 } 2350 scanDirTracedLI(vendorAppDir, mDefParseFlags 2351 | PackageParser.PARSE_IS_SYSTEM 2352 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2353 2354 // Collect all OEM packages. 2355 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2356 scanDirTracedLI(oemAppDir, mDefParseFlags 2357 | PackageParser.PARSE_IS_SYSTEM 2358 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2359 2360 // Prune any system packages that no longer exist. 2361 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2362 if (!mOnlyCore) { 2363 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2364 while (psit.hasNext()) { 2365 PackageSetting ps = psit.next(); 2366 2367 /* 2368 * If this is not a system app, it can't be a 2369 * disable system app. 2370 */ 2371 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2372 continue; 2373 } 2374 2375 /* 2376 * If the package is scanned, it's not erased. 2377 */ 2378 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2379 if (scannedPkg != null) { 2380 /* 2381 * If the system app is both scanned and in the 2382 * disabled packages list, then it must have been 2383 * added via OTA. Remove it from the currently 2384 * scanned package so the previously user-installed 2385 * application can be scanned. 2386 */ 2387 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2388 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2389 + ps.name + "; removing system app. Last known codePath=" 2390 + ps.codePathString + ", installStatus=" + ps.installStatus 2391 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2392 + scannedPkg.mVersionCode); 2393 removePackageLI(scannedPkg, true); 2394 mExpectingBetter.put(ps.name, ps.codePath); 2395 } 2396 2397 continue; 2398 } 2399 2400 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2401 psit.remove(); 2402 logCriticalInfo(Log.WARN, "System package " + ps.name 2403 + " no longer exists; it's data will be wiped"); 2404 // Actual deletion of code and data will be handled by later 2405 // reconciliation step 2406 } else { 2407 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2408 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2409 possiblyDeletedUpdatedSystemApps.add(ps.name); 2410 } 2411 } 2412 } 2413 } 2414 2415 //look for any incomplete package installations 2416 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2417 for (int i = 0; i < deletePkgsList.size(); i++) { 2418 // Actual deletion of code and data will be handled by later 2419 // reconciliation step 2420 final String packageName = deletePkgsList.get(i).name; 2421 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2422 synchronized (mPackages) { 2423 mSettings.removePackageLPw(packageName); 2424 } 2425 } 2426 2427 //delete tmp files 2428 deleteTempPackageFiles(); 2429 2430 // Remove any shared userIDs that have no associated packages 2431 mSettings.pruneSharedUsersLPw(); 2432 2433 if (!mOnlyCore) { 2434 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2435 SystemClock.uptimeMillis()); 2436 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2437 2438 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2439 | PackageParser.PARSE_FORWARD_LOCK, 2440 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2441 2442 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2443 | PackageParser.PARSE_IS_EPHEMERAL, 2444 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2445 2446 /** 2447 * Remove disable package settings for any updated system 2448 * apps that were removed via an OTA. If they're not a 2449 * previously-updated app, remove them completely. 2450 * Otherwise, just revoke their system-level permissions. 2451 */ 2452 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2453 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2454 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2455 2456 String msg; 2457 if (deletedPkg == null) { 2458 msg = "Updated system package " + deletedAppName 2459 + " no longer exists; it's data will be wiped"; 2460 // Actual deletion of code and data will be handled by later 2461 // reconciliation step 2462 } else { 2463 msg = "Updated system app + " + deletedAppName 2464 + " no longer present; removing system privileges for " 2465 + deletedAppName; 2466 2467 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2468 2469 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2470 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2471 } 2472 logCriticalInfo(Log.WARN, msg); 2473 } 2474 2475 /** 2476 * Make sure all system apps that we expected to appear on 2477 * the userdata partition actually showed up. If they never 2478 * appeared, crawl back and revive the system version. 2479 */ 2480 for (int i = 0; i < mExpectingBetter.size(); i++) { 2481 final String packageName = mExpectingBetter.keyAt(i); 2482 if (!mPackages.containsKey(packageName)) { 2483 final File scanFile = mExpectingBetter.valueAt(i); 2484 2485 logCriticalInfo(Log.WARN, "Expected better " + packageName 2486 + " but never showed up; reverting to system"); 2487 2488 int reparseFlags = mDefParseFlags; 2489 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2490 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2491 | PackageParser.PARSE_IS_SYSTEM_DIR 2492 | PackageParser.PARSE_IS_PRIVILEGED; 2493 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2494 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2495 | PackageParser.PARSE_IS_SYSTEM_DIR; 2496 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2497 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2498 | PackageParser.PARSE_IS_SYSTEM_DIR; 2499 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2500 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2501 | PackageParser.PARSE_IS_SYSTEM_DIR; 2502 } else { 2503 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2504 continue; 2505 } 2506 2507 mSettings.enableSystemPackageLPw(packageName); 2508 2509 try { 2510 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2511 } catch (PackageManagerException e) { 2512 Slog.e(TAG, "Failed to parse original system package: " 2513 + e.getMessage()); 2514 } 2515 } 2516 } 2517 } 2518 mExpectingBetter.clear(); 2519 2520 // Resolve protected action filters. Only the setup wizard is allowed to 2521 // have a high priority filter for these actions. 2522 mSetupWizardPackage = getSetupWizardPackageName(); 2523 if (mProtectedFilters.size() > 0) { 2524 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2525 Slog.i(TAG, "No setup wizard;" 2526 + " All protected intents capped to priority 0"); 2527 } 2528 for (ActivityIntentInfo filter : mProtectedFilters) { 2529 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2530 if (DEBUG_FILTERS) { 2531 Slog.i(TAG, "Found setup wizard;" 2532 + " allow priority " + filter.getPriority() + ";" 2533 + " package: " + filter.activity.info.packageName 2534 + " activity: " + filter.activity.className 2535 + " priority: " + filter.getPriority()); 2536 } 2537 // skip setup wizard; allow it to keep the high priority filter 2538 continue; 2539 } 2540 Slog.w(TAG, "Protected action; cap priority to 0;" 2541 + " package: " + filter.activity.info.packageName 2542 + " activity: " + filter.activity.className 2543 + " origPrio: " + filter.getPriority()); 2544 filter.setPriority(0); 2545 } 2546 } 2547 mDeferProtectedFilters = false; 2548 mProtectedFilters.clear(); 2549 2550 // Now that we know all of the shared libraries, update all clients to have 2551 // the correct library paths. 2552 updateAllSharedLibrariesLPw(); 2553 2554 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2555 // NOTE: We ignore potential failures here during a system scan (like 2556 // the rest of the commands above) because there's precious little we 2557 // can do about it. A settings error is reported, though. 2558 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2559 false /* boot complete */); 2560 } 2561 2562 // Now that we know all the packages we are keeping, 2563 // read and update their last usage times. 2564 mPackageUsage.readLP(); 2565 2566 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2567 SystemClock.uptimeMillis()); 2568 Slog.i(TAG, "Time to scan packages: " 2569 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2570 + " seconds"); 2571 2572 // If the platform SDK has changed since the last time we booted, 2573 // we need to re-grant app permission to catch any new ones that 2574 // appear. This is really a hack, and means that apps can in some 2575 // cases get permissions that the user didn't initially explicitly 2576 // allow... it would be nice to have some better way to handle 2577 // this situation. 2578 int updateFlags = UPDATE_PERMISSIONS_ALL; 2579 if (ver.sdkVersion != mSdkVersion) { 2580 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2581 + mSdkVersion + "; regranting permissions for internal storage"); 2582 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2583 } 2584 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2585 ver.sdkVersion = mSdkVersion; 2586 2587 // If this is the first boot or an update from pre-M, and it is a normal 2588 // boot, then we need to initialize the default preferred apps across 2589 // all defined users. 2590 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2591 for (UserInfo user : sUserManager.getUsers(true)) { 2592 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2593 applyFactoryDefaultBrowserLPw(user.id); 2594 primeDomainVerificationsLPw(user.id); 2595 } 2596 } 2597 2598 // Prepare storage for system user really early during boot, 2599 // since core system apps like SettingsProvider and SystemUI 2600 // can't wait for user to start 2601 final int storageFlags; 2602 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2603 storageFlags = StorageManager.FLAG_STORAGE_DE; 2604 } else { 2605 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2606 } 2607 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2608 storageFlags); 2609 2610 // If this is first boot after an OTA, and a normal boot, then 2611 // we need to clear code cache directories. 2612 if (mIsUpgrade && !onlyCore) { 2613 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2614 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2615 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2616 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2617 // No apps are running this early, so no need to freeze 2618 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2619 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2620 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2621 } 2622 clearAppProfilesLIF(ps.pkg); 2623 } 2624 ver.fingerprint = Build.FINGERPRINT; 2625 } 2626 2627 checkDefaultBrowser(); 2628 2629 // clear only after permissions and other defaults have been updated 2630 mExistingSystemPackages.clear(); 2631 mPromoteSystemApps = false; 2632 2633 // All the changes are done during package scanning. 2634 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2635 2636 // can downgrade to reader 2637 mSettings.writeLPr(); 2638 2639 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2640 SystemClock.uptimeMillis()); 2641 2642 if (!mOnlyCore) { 2643 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2644 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2645 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2646 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2647 mIntentFilterVerifierComponent); 2648 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2649 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2650 getRequiredSharedLibraryLPr( 2651 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2652 } else { 2653 mRequiredVerifierPackage = null; 2654 mRequiredInstallerPackage = null; 2655 mIntentFilterVerifierComponent = null; 2656 mIntentFilterVerifier = null; 2657 mServicesSystemSharedLibraryPackageName = null; 2658 } 2659 2660 mInstallerService = new PackageInstallerService(context, this); 2661 2662 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2663 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2664 // both the installer and resolver must be present to enable ephemeral 2665 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2666 if (DEBUG_EPHEMERAL) { 2667 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2668 + " installer:" + ephemeralInstallerComponent); 2669 } 2670 mEphemeralResolverComponent = ephemeralResolverComponent; 2671 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2672 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2673 mEphemeralResolverConnection = 2674 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2675 } else { 2676 if (DEBUG_EPHEMERAL) { 2677 final String missingComponent = 2678 (ephemeralResolverComponent == null) 2679 ? (ephemeralInstallerComponent == null) 2680 ? "resolver and installer" 2681 : "resolver" 2682 : "installer"; 2683 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2684 } 2685 mEphemeralResolverComponent = null; 2686 mEphemeralInstallerComponent = null; 2687 mEphemeralResolverConnection = null; 2688 } 2689 2690 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2691 } // synchronized (mPackages) 2692 } // synchronized (mInstallLock) 2693 2694 // Now after opening every single application zip, make sure they 2695 // are all flushed. Not really needed, but keeps things nice and 2696 // tidy. 2697 Runtime.getRuntime().gc(); 2698 2699 // The initial scanning above does many calls into installd while 2700 // holding the mPackages lock, but we're mostly interested in yelling 2701 // once we have a booted system. 2702 mInstaller.setWarnIfHeld(mPackages); 2703 2704 // Expose private service for system components to use. 2705 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2706 } 2707 2708 @Override 2709 public boolean isFirstBoot() { 2710 return !mRestoredSettings; 2711 } 2712 2713 @Override 2714 public boolean isOnlyCoreApps() { 2715 return mOnlyCore; 2716 } 2717 2718 @Override 2719 public boolean isUpgrade() { 2720 return mIsUpgrade; 2721 } 2722 2723 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2724 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2725 2726 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2727 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2728 UserHandle.USER_SYSTEM); 2729 if (matches.size() == 1) { 2730 return matches.get(0).getComponentInfo().packageName; 2731 } else { 2732 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2733 return null; 2734 } 2735 } 2736 2737 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2738 synchronized (mPackages) { 2739 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2740 if (libraryEntry == null) { 2741 throw new IllegalStateException("Missing required shared library:" + libraryName); 2742 } 2743 return libraryEntry.apk; 2744 } 2745 } 2746 2747 private @NonNull String getRequiredInstallerLPr() { 2748 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2749 intent.addCategory(Intent.CATEGORY_DEFAULT); 2750 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2751 2752 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2753 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2754 UserHandle.USER_SYSTEM); 2755 if (matches.size() == 1) { 2756 ResolveInfo resolveInfo = matches.get(0); 2757 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2758 throw new RuntimeException("The installer must be a privileged app"); 2759 } 2760 return matches.get(0).getComponentInfo().packageName; 2761 } else { 2762 throw new RuntimeException("There must be exactly one installer; found " + matches); 2763 } 2764 } 2765 2766 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2767 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2768 2769 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2770 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2771 UserHandle.USER_SYSTEM); 2772 ResolveInfo best = null; 2773 final int N = matches.size(); 2774 for (int i = 0; i < N; i++) { 2775 final ResolveInfo cur = matches.get(i); 2776 final String packageName = cur.getComponentInfo().packageName; 2777 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2778 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2779 continue; 2780 } 2781 2782 if (best == null || cur.priority > best.priority) { 2783 best = cur; 2784 } 2785 } 2786 2787 if (best != null) { 2788 return best.getComponentInfo().getComponentName(); 2789 } else { 2790 throw new RuntimeException("There must be at least one intent filter verifier"); 2791 } 2792 } 2793 2794 private @Nullable ComponentName getEphemeralResolverLPr() { 2795 final String[] packageArray = 2796 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2797 if (packageArray.length == 0) { 2798 if (DEBUG_EPHEMERAL) { 2799 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2800 } 2801 return null; 2802 } 2803 2804 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2805 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2806 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2807 UserHandle.USER_SYSTEM); 2808 2809 final int N = resolvers.size(); 2810 if (N == 0) { 2811 if (DEBUG_EPHEMERAL) { 2812 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2813 } 2814 return null; 2815 } 2816 2817 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2818 for (int i = 0; i < N; i++) { 2819 final ResolveInfo info = resolvers.get(i); 2820 2821 if (info.serviceInfo == null) { 2822 continue; 2823 } 2824 2825 final String packageName = info.serviceInfo.packageName; 2826 if (!possiblePackages.contains(packageName)) { 2827 if (DEBUG_EPHEMERAL) { 2828 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2829 + " pkg: " + packageName + ", info:" + info); 2830 } 2831 continue; 2832 } 2833 2834 if (DEBUG_EPHEMERAL) { 2835 Slog.v(TAG, "Ephemeral resolver found;" 2836 + " pkg: " + packageName + ", info:" + info); 2837 } 2838 return new ComponentName(packageName, info.serviceInfo.name); 2839 } 2840 if (DEBUG_EPHEMERAL) { 2841 Slog.v(TAG, "Ephemeral resolver NOT found"); 2842 } 2843 return null; 2844 } 2845 2846 private @Nullable ComponentName getEphemeralInstallerLPr() { 2847 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2848 intent.addCategory(Intent.CATEGORY_DEFAULT); 2849 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2850 2851 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2852 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2853 UserHandle.USER_SYSTEM); 2854 if (matches.size() == 0) { 2855 return null; 2856 } else if (matches.size() == 1) { 2857 return matches.get(0).getComponentInfo().getComponentName(); 2858 } else { 2859 throw new RuntimeException( 2860 "There must be at most one ephemeral installer; found " + matches); 2861 } 2862 } 2863 2864 private void primeDomainVerificationsLPw(int userId) { 2865 if (DEBUG_DOMAIN_VERIFICATION) { 2866 Slog.d(TAG, "Priming domain verifications in user " + userId); 2867 } 2868 2869 SystemConfig systemConfig = SystemConfig.getInstance(); 2870 ArraySet<String> packages = systemConfig.getLinkedApps(); 2871 ArraySet<String> domains = new ArraySet<String>(); 2872 2873 for (String packageName : packages) { 2874 PackageParser.Package pkg = mPackages.get(packageName); 2875 if (pkg != null) { 2876 if (!pkg.isSystemApp()) { 2877 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2878 continue; 2879 } 2880 2881 domains.clear(); 2882 for (PackageParser.Activity a : pkg.activities) { 2883 for (ActivityIntentInfo filter : a.intents) { 2884 if (hasValidDomains(filter)) { 2885 domains.addAll(filter.getHostsList()); 2886 } 2887 } 2888 } 2889 2890 if (domains.size() > 0) { 2891 if (DEBUG_DOMAIN_VERIFICATION) { 2892 Slog.v(TAG, " + " + packageName); 2893 } 2894 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2895 // state w.r.t. the formal app-linkage "no verification attempted" state; 2896 // and then 'always' in the per-user state actually used for intent resolution. 2897 final IntentFilterVerificationInfo ivi; 2898 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2899 new ArrayList<String>(domains)); 2900 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2901 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2902 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2903 } else { 2904 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2905 + "' does not handle web links"); 2906 } 2907 } else { 2908 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2909 } 2910 } 2911 2912 scheduleWritePackageRestrictionsLocked(userId); 2913 scheduleWriteSettingsLocked(); 2914 } 2915 2916 private void applyFactoryDefaultBrowserLPw(int userId) { 2917 // The default browser app's package name is stored in a string resource, 2918 // with a product-specific overlay used for vendor customization. 2919 String browserPkg = mContext.getResources().getString( 2920 com.android.internal.R.string.default_browser); 2921 if (!TextUtils.isEmpty(browserPkg)) { 2922 // non-empty string => required to be a known package 2923 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2924 if (ps == null) { 2925 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2926 browserPkg = null; 2927 } else { 2928 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2929 } 2930 } 2931 2932 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2933 // default. If there's more than one, just leave everything alone. 2934 if (browserPkg == null) { 2935 calculateDefaultBrowserLPw(userId); 2936 } 2937 } 2938 2939 private void calculateDefaultBrowserLPw(int userId) { 2940 List<String> allBrowsers = resolveAllBrowserApps(userId); 2941 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2942 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2943 } 2944 2945 private List<String> resolveAllBrowserApps(int userId) { 2946 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2947 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2948 PackageManager.MATCH_ALL, userId); 2949 2950 final int count = list.size(); 2951 List<String> result = new ArrayList<String>(count); 2952 for (int i=0; i<count; i++) { 2953 ResolveInfo info = list.get(i); 2954 if (info.activityInfo == null 2955 || !info.handleAllWebDataURI 2956 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2957 || result.contains(info.activityInfo.packageName)) { 2958 continue; 2959 } 2960 result.add(info.activityInfo.packageName); 2961 } 2962 2963 return result; 2964 } 2965 2966 private boolean packageIsBrowser(String packageName, int userId) { 2967 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2968 PackageManager.MATCH_ALL, userId); 2969 final int N = list.size(); 2970 for (int i = 0; i < N; i++) { 2971 ResolveInfo info = list.get(i); 2972 if (packageName.equals(info.activityInfo.packageName)) { 2973 return true; 2974 } 2975 } 2976 return false; 2977 } 2978 2979 private void checkDefaultBrowser() { 2980 final int myUserId = UserHandle.myUserId(); 2981 final String packageName = getDefaultBrowserPackageName(myUserId); 2982 if (packageName != null) { 2983 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2984 if (info == null) { 2985 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2986 synchronized (mPackages) { 2987 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2988 } 2989 } 2990 } 2991 } 2992 2993 @Override 2994 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2995 throws RemoteException { 2996 try { 2997 return super.onTransact(code, data, reply, flags); 2998 } catch (RuntimeException e) { 2999 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3000 Slog.wtf(TAG, "Package Manager Crash", e); 3001 } 3002 throw e; 3003 } 3004 } 3005 3006 static int[] appendInts(int[] cur, int[] add) { 3007 if (add == null) return cur; 3008 if (cur == null) return add; 3009 final int N = add.length; 3010 for (int i=0; i<N; i++) { 3011 cur = appendInt(cur, add[i]); 3012 } 3013 return cur; 3014 } 3015 3016 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3017 if (!sUserManager.exists(userId)) return null; 3018 if (ps == null) { 3019 return null; 3020 } 3021 final PackageParser.Package p = ps.pkg; 3022 if (p == null) { 3023 return null; 3024 } 3025 3026 final PermissionsState permissionsState = ps.getPermissionsState(); 3027 3028 final int[] gids = permissionsState.computeGids(userId); 3029 final Set<String> permissions = permissionsState.getPermissions(userId); 3030 final PackageUserState state = ps.readUserState(userId); 3031 3032 return PackageParser.generatePackageInfo(p, gids, flags, 3033 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3034 } 3035 3036 @Override 3037 public void checkPackageStartable(String packageName, int userId) { 3038 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 3039 3040 synchronized (mPackages) { 3041 final PackageSetting ps = mSettings.mPackages.get(packageName); 3042 if (ps == null) { 3043 throw new SecurityException("Package " + packageName + " was not found!"); 3044 } 3045 3046 if (!ps.getInstalled(userId)) { 3047 throw new SecurityException( 3048 "Package " + packageName + " was not installed for user " + userId + "!"); 3049 } 3050 3051 if (mSafeMode && !ps.isSystem()) { 3052 throw new SecurityException("Package " + packageName + " not a system app!"); 3053 } 3054 3055 if (mFrozenPackages.contains(packageName)) { 3056 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3057 } 3058 3059 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3060 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3061 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3062 } 3063 } 3064 } 3065 3066 @Override 3067 public boolean isPackageAvailable(String packageName, int userId) { 3068 if (!sUserManager.exists(userId)) return false; 3069 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3070 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3071 synchronized (mPackages) { 3072 PackageParser.Package p = mPackages.get(packageName); 3073 if (p != null) { 3074 final PackageSetting ps = (PackageSetting) p.mExtras; 3075 if (ps != null) { 3076 final PackageUserState state = ps.readUserState(userId); 3077 if (state != null) { 3078 return PackageParser.isAvailable(state); 3079 } 3080 } 3081 } 3082 } 3083 return false; 3084 } 3085 3086 @Override 3087 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3088 if (!sUserManager.exists(userId)) return null; 3089 flags = updateFlagsForPackage(flags, userId, packageName); 3090 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3091 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3092 // reader 3093 synchronized (mPackages) { 3094 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3095 PackageParser.Package p = null; 3096 if (matchFactoryOnly) { 3097 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3098 if (ps != null) { 3099 return generatePackageInfo(ps, flags, userId); 3100 } 3101 } 3102 if (p == null) { 3103 p = mPackages.get(packageName); 3104 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3105 return null; 3106 } 3107 } 3108 if (DEBUG_PACKAGE_INFO) 3109 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3110 if (p != null) { 3111 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3112 } 3113 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3114 final PackageSetting ps = mSettings.mPackages.get(packageName); 3115 return generatePackageInfo(ps, flags, userId); 3116 } 3117 } 3118 return null; 3119 } 3120 3121 @Override 3122 public String[] currentToCanonicalPackageNames(String[] names) { 3123 String[] out = new String[names.length]; 3124 // reader 3125 synchronized (mPackages) { 3126 for (int i=names.length-1; i>=0; i--) { 3127 PackageSetting ps = mSettings.mPackages.get(names[i]); 3128 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3129 } 3130 } 3131 return out; 3132 } 3133 3134 @Override 3135 public String[] canonicalToCurrentPackageNames(String[] names) { 3136 String[] out = new String[names.length]; 3137 // reader 3138 synchronized (mPackages) { 3139 for (int i=names.length-1; i>=0; i--) { 3140 String cur = mSettings.mRenamedPackages.get(names[i]); 3141 out[i] = cur != null ? cur : names[i]; 3142 } 3143 } 3144 return out; 3145 } 3146 3147 @Override 3148 public int getPackageUid(String packageName, int flags, int userId) { 3149 if (!sUserManager.exists(userId)) return -1; 3150 flags = updateFlagsForPackage(flags, userId, packageName); 3151 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3152 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3153 3154 // reader 3155 synchronized (mPackages) { 3156 final PackageParser.Package p = mPackages.get(packageName); 3157 if (p != null && p.isMatch(flags)) { 3158 return UserHandle.getUid(userId, p.applicationInfo.uid); 3159 } 3160 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3161 final PackageSetting ps = mSettings.mPackages.get(packageName); 3162 if (ps != null && ps.isMatch(flags)) { 3163 return UserHandle.getUid(userId, ps.appId); 3164 } 3165 } 3166 } 3167 3168 return -1; 3169 } 3170 3171 @Override 3172 public int[] getPackageGids(String packageName, int flags, int userId) { 3173 if (!sUserManager.exists(userId)) return null; 3174 flags = updateFlagsForPackage(flags, userId, packageName); 3175 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3176 false /* requireFullPermission */, false /* checkShell */, 3177 "getPackageGids"); 3178 3179 // reader 3180 synchronized (mPackages) { 3181 final PackageParser.Package p = mPackages.get(packageName); 3182 if (p != null && p.isMatch(flags)) { 3183 PackageSetting ps = (PackageSetting) p.mExtras; 3184 return ps.getPermissionsState().computeGids(userId); 3185 } 3186 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3187 final PackageSetting ps = mSettings.mPackages.get(packageName); 3188 if (ps != null && ps.isMatch(flags)) { 3189 return ps.getPermissionsState().computeGids(userId); 3190 } 3191 } 3192 } 3193 3194 return null; 3195 } 3196 3197 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3198 if (bp.perm != null) { 3199 return PackageParser.generatePermissionInfo(bp.perm, flags); 3200 } 3201 PermissionInfo pi = new PermissionInfo(); 3202 pi.name = bp.name; 3203 pi.packageName = bp.sourcePackage; 3204 pi.nonLocalizedLabel = bp.name; 3205 pi.protectionLevel = bp.protectionLevel; 3206 return pi; 3207 } 3208 3209 @Override 3210 public PermissionInfo getPermissionInfo(String name, int flags) { 3211 // reader 3212 synchronized (mPackages) { 3213 final BasePermission p = mSettings.mPermissions.get(name); 3214 if (p != null) { 3215 return generatePermissionInfo(p, flags); 3216 } 3217 return null; 3218 } 3219 } 3220 3221 @Override 3222 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3223 int flags) { 3224 // reader 3225 synchronized (mPackages) { 3226 if (group != null && !mPermissionGroups.containsKey(group)) { 3227 // This is thrown as NameNotFoundException 3228 return null; 3229 } 3230 3231 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3232 for (BasePermission p : mSettings.mPermissions.values()) { 3233 if (group == null) { 3234 if (p.perm == null || p.perm.info.group == null) { 3235 out.add(generatePermissionInfo(p, flags)); 3236 } 3237 } else { 3238 if (p.perm != null && group.equals(p.perm.info.group)) { 3239 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3240 } 3241 } 3242 } 3243 return new ParceledListSlice<>(out); 3244 } 3245 } 3246 3247 @Override 3248 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3249 // reader 3250 synchronized (mPackages) { 3251 return PackageParser.generatePermissionGroupInfo( 3252 mPermissionGroups.get(name), flags); 3253 } 3254 } 3255 3256 @Override 3257 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3258 // reader 3259 synchronized (mPackages) { 3260 final int N = mPermissionGroups.size(); 3261 ArrayList<PermissionGroupInfo> out 3262 = new ArrayList<PermissionGroupInfo>(N); 3263 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3264 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3265 } 3266 return new ParceledListSlice<>(out); 3267 } 3268 } 3269 3270 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3271 int userId) { 3272 if (!sUserManager.exists(userId)) return null; 3273 PackageSetting ps = mSettings.mPackages.get(packageName); 3274 if (ps != null) { 3275 if (ps.pkg == null) { 3276 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3277 if (pInfo != null) { 3278 return pInfo.applicationInfo; 3279 } 3280 return null; 3281 } 3282 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3283 ps.readUserState(userId), userId); 3284 } 3285 return null; 3286 } 3287 3288 @Override 3289 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3290 if (!sUserManager.exists(userId)) return null; 3291 flags = updateFlagsForApplication(flags, userId, packageName); 3292 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3293 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3294 // writer 3295 synchronized (mPackages) { 3296 PackageParser.Package p = mPackages.get(packageName); 3297 if (DEBUG_PACKAGE_INFO) Log.v( 3298 TAG, "getApplicationInfo " + packageName 3299 + ": " + p); 3300 if (p != null) { 3301 PackageSetting ps = mSettings.mPackages.get(packageName); 3302 if (ps == null) return null; 3303 // Note: isEnabledLP() does not apply here - always return info 3304 return PackageParser.generateApplicationInfo( 3305 p, flags, ps.readUserState(userId), userId); 3306 } 3307 if ("android".equals(packageName)||"system".equals(packageName)) { 3308 return mAndroidApplication; 3309 } 3310 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3311 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3312 } 3313 } 3314 return null; 3315 } 3316 3317 @Override 3318 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3319 final IPackageDataObserver observer) { 3320 mContext.enforceCallingOrSelfPermission( 3321 android.Manifest.permission.CLEAR_APP_CACHE, null); 3322 // Queue up an async operation since clearing cache may take a little while. 3323 mHandler.post(new Runnable() { 3324 public void run() { 3325 mHandler.removeCallbacks(this); 3326 boolean success = true; 3327 synchronized (mInstallLock) { 3328 try { 3329 mInstaller.freeCache(volumeUuid, freeStorageSize); 3330 } catch (InstallerException e) { 3331 Slog.w(TAG, "Couldn't clear application caches: " + e); 3332 success = false; 3333 } 3334 } 3335 if (observer != null) { 3336 try { 3337 observer.onRemoveCompleted(null, success); 3338 } catch (RemoteException e) { 3339 Slog.w(TAG, "RemoveException when invoking call back"); 3340 } 3341 } 3342 } 3343 }); 3344 } 3345 3346 @Override 3347 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3348 final IntentSender pi) { 3349 mContext.enforceCallingOrSelfPermission( 3350 android.Manifest.permission.CLEAR_APP_CACHE, null); 3351 // Queue up an async operation since clearing cache may take a little while. 3352 mHandler.post(new Runnable() { 3353 public void run() { 3354 mHandler.removeCallbacks(this); 3355 boolean success = true; 3356 synchronized (mInstallLock) { 3357 try { 3358 mInstaller.freeCache(volumeUuid, freeStorageSize); 3359 } catch (InstallerException e) { 3360 Slog.w(TAG, "Couldn't clear application caches: " + e); 3361 success = false; 3362 } 3363 } 3364 if(pi != null) { 3365 try { 3366 // Callback via pending intent 3367 int code = success ? 1 : 0; 3368 pi.sendIntent(null, code, null, 3369 null, null); 3370 } catch (SendIntentException e1) { 3371 Slog.i(TAG, "Failed to send pending intent"); 3372 } 3373 } 3374 } 3375 }); 3376 } 3377 3378 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3379 synchronized (mInstallLock) { 3380 try { 3381 mInstaller.freeCache(volumeUuid, freeStorageSize); 3382 } catch (InstallerException e) { 3383 throw new IOException("Failed to free enough space", e); 3384 } 3385 } 3386 } 3387 3388 /** 3389 * Return if the user key is currently unlocked. 3390 */ 3391 private boolean isUserKeyUnlocked(int userId) { 3392 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3393 final IMountService mount = IMountService.Stub 3394 .asInterface(ServiceManager.getService("mount")); 3395 if (mount == null) { 3396 Slog.w(TAG, "Early during boot, assuming locked"); 3397 return false; 3398 } 3399 final long token = Binder.clearCallingIdentity(); 3400 try { 3401 return mount.isUserKeyUnlocked(userId); 3402 } catch (RemoteException e) { 3403 throw e.rethrowAsRuntimeException(); 3404 } finally { 3405 Binder.restoreCallingIdentity(token); 3406 } 3407 } else { 3408 return true; 3409 } 3410 } 3411 3412 /** 3413 * Update given flags based on encryption status of current user. 3414 */ 3415 private int updateFlags(int flags, int userId) { 3416 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3417 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3418 // Caller expressed an explicit opinion about what encryption 3419 // aware/unaware components they want to see, so fall through and 3420 // give them what they want 3421 } else { 3422 // Caller expressed no opinion, so match based on user state 3423 if (isUserKeyUnlocked(userId)) { 3424 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3425 } else { 3426 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3427 } 3428 } 3429 return flags; 3430 } 3431 3432 /** 3433 * Update given flags when being used to request {@link PackageInfo}. 3434 */ 3435 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3436 boolean triaged = true; 3437 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3438 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3439 // Caller is asking for component details, so they'd better be 3440 // asking for specific encryption matching behavior, or be triaged 3441 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3442 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3443 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3444 triaged = false; 3445 } 3446 } 3447 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3448 | PackageManager.MATCH_SYSTEM_ONLY 3449 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3450 triaged = false; 3451 } 3452 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3453 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3454 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3455 } 3456 return updateFlags(flags, userId); 3457 } 3458 3459 /** 3460 * Update given flags when being used to request {@link ApplicationInfo}. 3461 */ 3462 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3463 return updateFlagsForPackage(flags, userId, cookie); 3464 } 3465 3466 /** 3467 * Update given flags when being used to request {@link ComponentInfo}. 3468 */ 3469 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3470 if (cookie instanceof Intent) { 3471 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3472 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3473 } 3474 } 3475 3476 boolean triaged = true; 3477 // Caller is asking for component details, so they'd better be 3478 // asking for specific encryption matching behavior, or be triaged 3479 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3480 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3481 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3482 triaged = false; 3483 } 3484 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3485 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3486 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3487 } 3488 3489 return updateFlags(flags, userId); 3490 } 3491 3492 /** 3493 * Update given flags when being used to request {@link ResolveInfo}. 3494 */ 3495 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3496 // Safe mode means we shouldn't match any third-party components 3497 if (mSafeMode) { 3498 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3499 } 3500 3501 return updateFlagsForComponent(flags, userId, cookie); 3502 } 3503 3504 @Override 3505 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3506 if (!sUserManager.exists(userId)) return null; 3507 flags = updateFlagsForComponent(flags, userId, component); 3508 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3509 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3510 synchronized (mPackages) { 3511 PackageParser.Activity a = mActivities.mActivities.get(component); 3512 3513 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3514 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3515 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3516 if (ps == null) return null; 3517 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3518 userId); 3519 } 3520 if (mResolveComponentName.equals(component)) { 3521 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3522 new PackageUserState(), userId); 3523 } 3524 } 3525 return null; 3526 } 3527 3528 @Override 3529 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3530 String resolvedType) { 3531 synchronized (mPackages) { 3532 if (component.equals(mResolveComponentName)) { 3533 // The resolver supports EVERYTHING! 3534 return true; 3535 } 3536 PackageParser.Activity a = mActivities.mActivities.get(component); 3537 if (a == null) { 3538 return false; 3539 } 3540 for (int i=0; i<a.intents.size(); i++) { 3541 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3542 intent.getData(), intent.getCategories(), TAG) >= 0) { 3543 return true; 3544 } 3545 } 3546 return false; 3547 } 3548 } 3549 3550 @Override 3551 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3552 if (!sUserManager.exists(userId)) return null; 3553 flags = updateFlagsForComponent(flags, userId, component); 3554 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3555 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3556 synchronized (mPackages) { 3557 PackageParser.Activity a = mReceivers.mActivities.get(component); 3558 if (DEBUG_PACKAGE_INFO) Log.v( 3559 TAG, "getReceiverInfo " + component + ": " + a); 3560 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3561 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3562 if (ps == null) return null; 3563 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3564 userId); 3565 } 3566 } 3567 return null; 3568 } 3569 3570 @Override 3571 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3572 if (!sUserManager.exists(userId)) return null; 3573 flags = updateFlagsForComponent(flags, userId, component); 3574 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3575 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3576 synchronized (mPackages) { 3577 PackageParser.Service s = mServices.mServices.get(component); 3578 if (DEBUG_PACKAGE_INFO) Log.v( 3579 TAG, "getServiceInfo " + component + ": " + s); 3580 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3581 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3582 if (ps == null) return null; 3583 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3584 userId); 3585 } 3586 } 3587 return null; 3588 } 3589 3590 @Override 3591 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3592 if (!sUserManager.exists(userId)) return null; 3593 flags = updateFlagsForComponent(flags, userId, component); 3594 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3595 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3596 synchronized (mPackages) { 3597 PackageParser.Provider p = mProviders.mProviders.get(component); 3598 if (DEBUG_PACKAGE_INFO) Log.v( 3599 TAG, "getProviderInfo " + component + ": " + p); 3600 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3601 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3602 if (ps == null) return null; 3603 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3604 userId); 3605 } 3606 } 3607 return null; 3608 } 3609 3610 @Override 3611 public String[] getSystemSharedLibraryNames() { 3612 Set<String> libSet; 3613 synchronized (mPackages) { 3614 libSet = mSharedLibraries.keySet(); 3615 int size = libSet.size(); 3616 if (size > 0) { 3617 String[] libs = new String[size]; 3618 libSet.toArray(libs); 3619 return libs; 3620 } 3621 } 3622 return null; 3623 } 3624 3625 @Override 3626 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3627 synchronized (mPackages) { 3628 return mServicesSystemSharedLibraryPackageName; 3629 } 3630 } 3631 3632 @Override 3633 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3634 synchronized (mPackages) { 3635 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3636 3637 final FeatureInfo fi = new FeatureInfo(); 3638 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3639 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3640 res.add(fi); 3641 3642 return new ParceledListSlice<>(res); 3643 } 3644 } 3645 3646 @Override 3647 public boolean hasSystemFeature(String name, int version) { 3648 synchronized (mPackages) { 3649 final FeatureInfo feat = mAvailableFeatures.get(name); 3650 if (feat == null) { 3651 return false; 3652 } else { 3653 return feat.version >= version; 3654 } 3655 } 3656 } 3657 3658 @Override 3659 public int checkPermission(String permName, String pkgName, int userId) { 3660 if (!sUserManager.exists(userId)) { 3661 return PackageManager.PERMISSION_DENIED; 3662 } 3663 3664 synchronized (mPackages) { 3665 final PackageParser.Package p = mPackages.get(pkgName); 3666 if (p != null && p.mExtras != null) { 3667 final PackageSetting ps = (PackageSetting) p.mExtras; 3668 final PermissionsState permissionsState = ps.getPermissionsState(); 3669 if (permissionsState.hasPermission(permName, userId)) { 3670 return PackageManager.PERMISSION_GRANTED; 3671 } 3672 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3673 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3674 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3675 return PackageManager.PERMISSION_GRANTED; 3676 } 3677 } 3678 } 3679 3680 return PackageManager.PERMISSION_DENIED; 3681 } 3682 3683 @Override 3684 public int checkUidPermission(String permName, int uid) { 3685 final int userId = UserHandle.getUserId(uid); 3686 3687 if (!sUserManager.exists(userId)) { 3688 return PackageManager.PERMISSION_DENIED; 3689 } 3690 3691 synchronized (mPackages) { 3692 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3693 if (obj != null) { 3694 final SettingBase ps = (SettingBase) obj; 3695 final PermissionsState permissionsState = ps.getPermissionsState(); 3696 if (permissionsState.hasPermission(permName, userId)) { 3697 return PackageManager.PERMISSION_GRANTED; 3698 } 3699 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3700 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3701 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3702 return PackageManager.PERMISSION_GRANTED; 3703 } 3704 } else { 3705 ArraySet<String> perms = mSystemPermissions.get(uid); 3706 if (perms != null) { 3707 if (perms.contains(permName)) { 3708 return PackageManager.PERMISSION_GRANTED; 3709 } 3710 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3711 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3712 return PackageManager.PERMISSION_GRANTED; 3713 } 3714 } 3715 } 3716 } 3717 3718 return PackageManager.PERMISSION_DENIED; 3719 } 3720 3721 @Override 3722 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3723 if (UserHandle.getCallingUserId() != userId) { 3724 mContext.enforceCallingPermission( 3725 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3726 "isPermissionRevokedByPolicy for user " + userId); 3727 } 3728 3729 if (checkPermission(permission, packageName, userId) 3730 == PackageManager.PERMISSION_GRANTED) { 3731 return false; 3732 } 3733 3734 final long identity = Binder.clearCallingIdentity(); 3735 try { 3736 final int flags = getPermissionFlags(permission, packageName, userId); 3737 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3738 } finally { 3739 Binder.restoreCallingIdentity(identity); 3740 } 3741 } 3742 3743 @Override 3744 public String getPermissionControllerPackageName() { 3745 synchronized (mPackages) { 3746 return mRequiredInstallerPackage; 3747 } 3748 } 3749 3750 /** 3751 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3752 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3753 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3754 * @param message the message to log on security exception 3755 */ 3756 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3757 boolean checkShell, String message) { 3758 if (userId < 0) { 3759 throw new IllegalArgumentException("Invalid userId " + userId); 3760 } 3761 if (checkShell) { 3762 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3763 } 3764 if (userId == UserHandle.getUserId(callingUid)) return; 3765 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3766 if (requireFullPermission) { 3767 mContext.enforceCallingOrSelfPermission( 3768 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3769 } else { 3770 try { 3771 mContext.enforceCallingOrSelfPermission( 3772 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3773 } catch (SecurityException se) { 3774 mContext.enforceCallingOrSelfPermission( 3775 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3776 } 3777 } 3778 } 3779 } 3780 3781 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3782 if (callingUid == Process.SHELL_UID) { 3783 if (userHandle >= 0 3784 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3785 throw new SecurityException("Shell does not have permission to access user " 3786 + userHandle); 3787 } else if (userHandle < 0) { 3788 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3789 + Debug.getCallers(3)); 3790 } 3791 } 3792 } 3793 3794 private BasePermission findPermissionTreeLP(String permName) { 3795 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3796 if (permName.startsWith(bp.name) && 3797 permName.length() > bp.name.length() && 3798 permName.charAt(bp.name.length()) == '.') { 3799 return bp; 3800 } 3801 } 3802 return null; 3803 } 3804 3805 private BasePermission checkPermissionTreeLP(String permName) { 3806 if (permName != null) { 3807 BasePermission bp = findPermissionTreeLP(permName); 3808 if (bp != null) { 3809 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3810 return bp; 3811 } 3812 throw new SecurityException("Calling uid " 3813 + Binder.getCallingUid() 3814 + " is not allowed to add to permission tree " 3815 + bp.name + " owned by uid " + bp.uid); 3816 } 3817 } 3818 throw new SecurityException("No permission tree found for " + permName); 3819 } 3820 3821 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3822 if (s1 == null) { 3823 return s2 == null; 3824 } 3825 if (s2 == null) { 3826 return false; 3827 } 3828 if (s1.getClass() != s2.getClass()) { 3829 return false; 3830 } 3831 return s1.equals(s2); 3832 } 3833 3834 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3835 if (pi1.icon != pi2.icon) return false; 3836 if (pi1.logo != pi2.logo) return false; 3837 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3838 if (!compareStrings(pi1.name, pi2.name)) return false; 3839 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3840 // We'll take care of setting this one. 3841 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3842 // These are not currently stored in settings. 3843 //if (!compareStrings(pi1.group, pi2.group)) return false; 3844 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3845 //if (pi1.labelRes != pi2.labelRes) return false; 3846 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3847 return true; 3848 } 3849 3850 int permissionInfoFootprint(PermissionInfo info) { 3851 int size = info.name.length(); 3852 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3853 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3854 return size; 3855 } 3856 3857 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3858 int size = 0; 3859 for (BasePermission perm : mSettings.mPermissions.values()) { 3860 if (perm.uid == tree.uid) { 3861 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3862 } 3863 } 3864 return size; 3865 } 3866 3867 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3868 // We calculate the max size of permissions defined by this uid and throw 3869 // if that plus the size of 'info' would exceed our stated maximum. 3870 if (tree.uid != Process.SYSTEM_UID) { 3871 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3872 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3873 throw new SecurityException("Permission tree size cap exceeded"); 3874 } 3875 } 3876 } 3877 3878 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3879 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3880 throw new SecurityException("Label must be specified in permission"); 3881 } 3882 BasePermission tree = checkPermissionTreeLP(info.name); 3883 BasePermission bp = mSettings.mPermissions.get(info.name); 3884 boolean added = bp == null; 3885 boolean changed = true; 3886 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3887 if (added) { 3888 enforcePermissionCapLocked(info, tree); 3889 bp = new BasePermission(info.name, tree.sourcePackage, 3890 BasePermission.TYPE_DYNAMIC); 3891 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3892 throw new SecurityException( 3893 "Not allowed to modify non-dynamic permission " 3894 + info.name); 3895 } else { 3896 if (bp.protectionLevel == fixedLevel 3897 && bp.perm.owner.equals(tree.perm.owner) 3898 && bp.uid == tree.uid 3899 && comparePermissionInfos(bp.perm.info, info)) { 3900 changed = false; 3901 } 3902 } 3903 bp.protectionLevel = fixedLevel; 3904 info = new PermissionInfo(info); 3905 info.protectionLevel = fixedLevel; 3906 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3907 bp.perm.info.packageName = tree.perm.info.packageName; 3908 bp.uid = tree.uid; 3909 if (added) { 3910 mSettings.mPermissions.put(info.name, bp); 3911 } 3912 if (changed) { 3913 if (!async) { 3914 mSettings.writeLPr(); 3915 } else { 3916 scheduleWriteSettingsLocked(); 3917 } 3918 } 3919 return added; 3920 } 3921 3922 @Override 3923 public boolean addPermission(PermissionInfo info) { 3924 synchronized (mPackages) { 3925 return addPermissionLocked(info, false); 3926 } 3927 } 3928 3929 @Override 3930 public boolean addPermissionAsync(PermissionInfo info) { 3931 synchronized (mPackages) { 3932 return addPermissionLocked(info, true); 3933 } 3934 } 3935 3936 @Override 3937 public void removePermission(String name) { 3938 synchronized (mPackages) { 3939 checkPermissionTreeLP(name); 3940 BasePermission bp = mSettings.mPermissions.get(name); 3941 if (bp != null) { 3942 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3943 throw new SecurityException( 3944 "Not allowed to modify non-dynamic permission " 3945 + name); 3946 } 3947 mSettings.mPermissions.remove(name); 3948 mSettings.writeLPr(); 3949 } 3950 } 3951 } 3952 3953 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3954 BasePermission bp) { 3955 int index = pkg.requestedPermissions.indexOf(bp.name); 3956 if (index == -1) { 3957 throw new SecurityException("Package " + pkg.packageName 3958 + " has not requested permission " + bp.name); 3959 } 3960 if (!bp.isRuntime() && !bp.isDevelopment()) { 3961 throw new SecurityException("Permission " + bp.name 3962 + " is not a changeable permission type"); 3963 } 3964 } 3965 3966 @Override 3967 public void grantRuntimePermission(String packageName, String name, final int userId) { 3968 if (!sUserManager.exists(userId)) { 3969 Log.e(TAG, "No such user:" + userId); 3970 return; 3971 } 3972 3973 mContext.enforceCallingOrSelfPermission( 3974 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3975 "grantRuntimePermission"); 3976 3977 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3978 true /* requireFullPermission */, true /* checkShell */, 3979 "grantRuntimePermission"); 3980 3981 final int uid; 3982 final SettingBase sb; 3983 3984 synchronized (mPackages) { 3985 final PackageParser.Package pkg = mPackages.get(packageName); 3986 if (pkg == null) { 3987 throw new IllegalArgumentException("Unknown package: " + packageName); 3988 } 3989 3990 final BasePermission bp = mSettings.mPermissions.get(name); 3991 if (bp == null) { 3992 throw new IllegalArgumentException("Unknown permission: " + name); 3993 } 3994 3995 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3996 3997 // If a permission review is required for legacy apps we represent 3998 // their permissions as always granted runtime ones since we need 3999 // to keep the review required permission flag per user while an 4000 // install permission's state is shared across all users. 4001 if (Build.PERMISSIONS_REVIEW_REQUIRED 4002 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4003 && bp.isRuntime()) { 4004 return; 4005 } 4006 4007 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4008 sb = (SettingBase) pkg.mExtras; 4009 if (sb == null) { 4010 throw new IllegalArgumentException("Unknown package: " + packageName); 4011 } 4012 4013 final PermissionsState permissionsState = sb.getPermissionsState(); 4014 4015 final int flags = permissionsState.getPermissionFlags(name, userId); 4016 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4017 throw new SecurityException("Cannot grant system fixed permission " 4018 + name + " for package " + packageName); 4019 } 4020 4021 if (bp.isDevelopment()) { 4022 // Development permissions must be handled specially, since they are not 4023 // normal runtime permissions. For now they apply to all users. 4024 if (permissionsState.grantInstallPermission(bp) != 4025 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4026 scheduleWriteSettingsLocked(); 4027 } 4028 return; 4029 } 4030 4031 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4032 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4033 return; 4034 } 4035 4036 final int result = permissionsState.grantRuntimePermission(bp, userId); 4037 switch (result) { 4038 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4039 return; 4040 } 4041 4042 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4043 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4044 mHandler.post(new Runnable() { 4045 @Override 4046 public void run() { 4047 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4048 } 4049 }); 4050 } 4051 break; 4052 } 4053 4054 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4055 4056 // Not critical if that is lost - app has to request again. 4057 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4058 } 4059 4060 // Only need to do this if user is initialized. Otherwise it's a new user 4061 // and there are no processes running as the user yet and there's no need 4062 // to make an expensive call to remount processes for the changed permissions. 4063 if (READ_EXTERNAL_STORAGE.equals(name) 4064 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4065 final long token = Binder.clearCallingIdentity(); 4066 try { 4067 if (sUserManager.isInitialized(userId)) { 4068 MountServiceInternal mountServiceInternal = LocalServices.getService( 4069 MountServiceInternal.class); 4070 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4071 } 4072 } finally { 4073 Binder.restoreCallingIdentity(token); 4074 } 4075 } 4076 } 4077 4078 @Override 4079 public void revokeRuntimePermission(String packageName, String name, int userId) { 4080 if (!sUserManager.exists(userId)) { 4081 Log.e(TAG, "No such user:" + userId); 4082 return; 4083 } 4084 4085 mContext.enforceCallingOrSelfPermission( 4086 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4087 "revokeRuntimePermission"); 4088 4089 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4090 true /* requireFullPermission */, true /* checkShell */, 4091 "revokeRuntimePermission"); 4092 4093 final int appId; 4094 4095 synchronized (mPackages) { 4096 final PackageParser.Package pkg = mPackages.get(packageName); 4097 if (pkg == null) { 4098 throw new IllegalArgumentException("Unknown package: " + packageName); 4099 } 4100 4101 final BasePermission bp = mSettings.mPermissions.get(name); 4102 if (bp == null) { 4103 throw new IllegalArgumentException("Unknown permission: " + name); 4104 } 4105 4106 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4107 4108 // If a permission review is required for legacy apps we represent 4109 // their permissions as always granted runtime ones since we need 4110 // to keep the review required permission flag per user while an 4111 // install permission's state is shared across all users. 4112 if (Build.PERMISSIONS_REVIEW_REQUIRED 4113 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4114 && bp.isRuntime()) { 4115 return; 4116 } 4117 4118 SettingBase sb = (SettingBase) pkg.mExtras; 4119 if (sb == null) { 4120 throw new IllegalArgumentException("Unknown package: " + packageName); 4121 } 4122 4123 final PermissionsState permissionsState = sb.getPermissionsState(); 4124 4125 final int flags = permissionsState.getPermissionFlags(name, userId); 4126 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4127 throw new SecurityException("Cannot revoke system fixed permission " 4128 + name + " for package " + packageName); 4129 } 4130 4131 if (bp.isDevelopment()) { 4132 // Development permissions must be handled specially, since they are not 4133 // normal runtime permissions. For now they apply to all users. 4134 if (permissionsState.revokeInstallPermission(bp) != 4135 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4136 scheduleWriteSettingsLocked(); 4137 } 4138 return; 4139 } 4140 4141 if (permissionsState.revokeRuntimePermission(bp, userId) == 4142 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4143 return; 4144 } 4145 4146 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4147 4148 // Critical, after this call app should never have the permission. 4149 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4150 4151 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4152 } 4153 4154 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4155 } 4156 4157 @Override 4158 public void resetRuntimePermissions() { 4159 mContext.enforceCallingOrSelfPermission( 4160 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4161 "revokeRuntimePermission"); 4162 4163 int callingUid = Binder.getCallingUid(); 4164 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4165 mContext.enforceCallingOrSelfPermission( 4166 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4167 "resetRuntimePermissions"); 4168 } 4169 4170 synchronized (mPackages) { 4171 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4172 for (int userId : UserManagerService.getInstance().getUserIds()) { 4173 final int packageCount = mPackages.size(); 4174 for (int i = 0; i < packageCount; i++) { 4175 PackageParser.Package pkg = mPackages.valueAt(i); 4176 if (!(pkg.mExtras instanceof PackageSetting)) { 4177 continue; 4178 } 4179 PackageSetting ps = (PackageSetting) pkg.mExtras; 4180 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4181 } 4182 } 4183 } 4184 } 4185 4186 @Override 4187 public int getPermissionFlags(String name, String packageName, int userId) { 4188 if (!sUserManager.exists(userId)) { 4189 return 0; 4190 } 4191 4192 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4193 4194 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4195 true /* requireFullPermission */, false /* checkShell */, 4196 "getPermissionFlags"); 4197 4198 synchronized (mPackages) { 4199 final PackageParser.Package pkg = mPackages.get(packageName); 4200 if (pkg == null) { 4201 throw new IllegalArgumentException("Unknown package: " + packageName); 4202 } 4203 4204 final BasePermission bp = mSettings.mPermissions.get(name); 4205 if (bp == null) { 4206 throw new IllegalArgumentException("Unknown permission: " + name); 4207 } 4208 4209 SettingBase sb = (SettingBase) pkg.mExtras; 4210 if (sb == null) { 4211 throw new IllegalArgumentException("Unknown package: " + packageName); 4212 } 4213 4214 PermissionsState permissionsState = sb.getPermissionsState(); 4215 return permissionsState.getPermissionFlags(name, userId); 4216 } 4217 } 4218 4219 @Override 4220 public void updatePermissionFlags(String name, String packageName, int flagMask, 4221 int flagValues, int userId) { 4222 if (!sUserManager.exists(userId)) { 4223 return; 4224 } 4225 4226 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4227 4228 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4229 true /* requireFullPermission */, true /* checkShell */, 4230 "updatePermissionFlags"); 4231 4232 // Only the system can change these flags and nothing else. 4233 if (getCallingUid() != Process.SYSTEM_UID) { 4234 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4235 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4236 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4237 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4238 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4239 } 4240 4241 synchronized (mPackages) { 4242 final PackageParser.Package pkg = mPackages.get(packageName); 4243 if (pkg == null) { 4244 throw new IllegalArgumentException("Unknown package: " + packageName); 4245 } 4246 4247 final BasePermission bp = mSettings.mPermissions.get(name); 4248 if (bp == null) { 4249 throw new IllegalArgumentException("Unknown permission: " + name); 4250 } 4251 4252 SettingBase sb = (SettingBase) pkg.mExtras; 4253 if (sb == null) { 4254 throw new IllegalArgumentException("Unknown package: " + packageName); 4255 } 4256 4257 PermissionsState permissionsState = sb.getPermissionsState(); 4258 4259 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4260 4261 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4262 // Install and runtime permissions are stored in different places, 4263 // so figure out what permission changed and persist the change. 4264 if (permissionsState.getInstallPermissionState(name) != null) { 4265 scheduleWriteSettingsLocked(); 4266 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4267 || hadState) { 4268 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4269 } 4270 } 4271 } 4272 } 4273 4274 /** 4275 * Update the permission flags for all packages and runtime permissions of a user in order 4276 * to allow device or profile owner to remove POLICY_FIXED. 4277 */ 4278 @Override 4279 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4280 if (!sUserManager.exists(userId)) { 4281 return; 4282 } 4283 4284 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4285 4286 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4287 true /* requireFullPermission */, true /* checkShell */, 4288 "updatePermissionFlagsForAllApps"); 4289 4290 // Only the system can change system fixed flags. 4291 if (getCallingUid() != Process.SYSTEM_UID) { 4292 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4293 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4294 } 4295 4296 synchronized (mPackages) { 4297 boolean changed = false; 4298 final int packageCount = mPackages.size(); 4299 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4300 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4301 SettingBase sb = (SettingBase) pkg.mExtras; 4302 if (sb == null) { 4303 continue; 4304 } 4305 PermissionsState permissionsState = sb.getPermissionsState(); 4306 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4307 userId, flagMask, flagValues); 4308 } 4309 if (changed) { 4310 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4311 } 4312 } 4313 } 4314 4315 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4316 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4317 != PackageManager.PERMISSION_GRANTED 4318 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4319 != PackageManager.PERMISSION_GRANTED) { 4320 throw new SecurityException(message + " requires " 4321 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4322 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4323 } 4324 } 4325 4326 @Override 4327 public boolean shouldShowRequestPermissionRationale(String permissionName, 4328 String packageName, int userId) { 4329 if (UserHandle.getCallingUserId() != userId) { 4330 mContext.enforceCallingPermission( 4331 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4332 "canShowRequestPermissionRationale for user " + userId); 4333 } 4334 4335 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4336 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4337 return false; 4338 } 4339 4340 if (checkPermission(permissionName, packageName, userId) 4341 == PackageManager.PERMISSION_GRANTED) { 4342 return false; 4343 } 4344 4345 final int flags; 4346 4347 final long identity = Binder.clearCallingIdentity(); 4348 try { 4349 flags = getPermissionFlags(permissionName, 4350 packageName, userId); 4351 } finally { 4352 Binder.restoreCallingIdentity(identity); 4353 } 4354 4355 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4356 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4357 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4358 4359 if ((flags & fixedFlags) != 0) { 4360 return false; 4361 } 4362 4363 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4364 } 4365 4366 @Override 4367 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4368 mContext.enforceCallingOrSelfPermission( 4369 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4370 "addOnPermissionsChangeListener"); 4371 4372 synchronized (mPackages) { 4373 mOnPermissionChangeListeners.addListenerLocked(listener); 4374 } 4375 } 4376 4377 @Override 4378 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4379 synchronized (mPackages) { 4380 mOnPermissionChangeListeners.removeListenerLocked(listener); 4381 } 4382 } 4383 4384 @Override 4385 public boolean isProtectedBroadcast(String actionName) { 4386 synchronized (mPackages) { 4387 if (mProtectedBroadcasts.contains(actionName)) { 4388 return true; 4389 } else if (actionName != null) { 4390 // TODO: remove these terrible hacks 4391 if (actionName.startsWith("android.net.netmon.lingerExpired") 4392 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4393 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4394 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4395 return true; 4396 } 4397 } 4398 } 4399 return false; 4400 } 4401 4402 @Override 4403 public int checkSignatures(String pkg1, String pkg2) { 4404 synchronized (mPackages) { 4405 final PackageParser.Package p1 = mPackages.get(pkg1); 4406 final PackageParser.Package p2 = mPackages.get(pkg2); 4407 if (p1 == null || p1.mExtras == null 4408 || p2 == null || p2.mExtras == null) { 4409 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4410 } 4411 return compareSignatures(p1.mSignatures, p2.mSignatures); 4412 } 4413 } 4414 4415 @Override 4416 public int checkUidSignatures(int uid1, int uid2) { 4417 // Map to base uids. 4418 uid1 = UserHandle.getAppId(uid1); 4419 uid2 = UserHandle.getAppId(uid2); 4420 // reader 4421 synchronized (mPackages) { 4422 Signature[] s1; 4423 Signature[] s2; 4424 Object obj = mSettings.getUserIdLPr(uid1); 4425 if (obj != null) { 4426 if (obj instanceof SharedUserSetting) { 4427 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4428 } else if (obj instanceof PackageSetting) { 4429 s1 = ((PackageSetting)obj).signatures.mSignatures; 4430 } else { 4431 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4432 } 4433 } else { 4434 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4435 } 4436 obj = mSettings.getUserIdLPr(uid2); 4437 if (obj != null) { 4438 if (obj instanceof SharedUserSetting) { 4439 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4440 } else if (obj instanceof PackageSetting) { 4441 s2 = ((PackageSetting)obj).signatures.mSignatures; 4442 } else { 4443 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4444 } 4445 } else { 4446 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4447 } 4448 return compareSignatures(s1, s2); 4449 } 4450 } 4451 4452 /** 4453 * This method should typically only be used when granting or revoking 4454 * permissions, since the app may immediately restart after this call. 4455 * <p> 4456 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4457 * guard your work against the app being relaunched. 4458 */ 4459 private void killUid(int appId, int userId, String reason) { 4460 final long identity = Binder.clearCallingIdentity(); 4461 try { 4462 IActivityManager am = ActivityManagerNative.getDefault(); 4463 if (am != null) { 4464 try { 4465 am.killUid(appId, userId, reason); 4466 } catch (RemoteException e) { 4467 /* ignore - same process */ 4468 } 4469 } 4470 } finally { 4471 Binder.restoreCallingIdentity(identity); 4472 } 4473 } 4474 4475 /** 4476 * Compares two sets of signatures. Returns: 4477 * <br /> 4478 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4479 * <br /> 4480 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4481 * <br /> 4482 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4483 * <br /> 4484 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4485 * <br /> 4486 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4487 */ 4488 static int compareSignatures(Signature[] s1, Signature[] s2) { 4489 if (s1 == null) { 4490 return s2 == null 4491 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4492 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4493 } 4494 4495 if (s2 == null) { 4496 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4497 } 4498 4499 if (s1.length != s2.length) { 4500 return PackageManager.SIGNATURE_NO_MATCH; 4501 } 4502 4503 // Since both signature sets are of size 1, we can compare without HashSets. 4504 if (s1.length == 1) { 4505 return s1[0].equals(s2[0]) ? 4506 PackageManager.SIGNATURE_MATCH : 4507 PackageManager.SIGNATURE_NO_MATCH; 4508 } 4509 4510 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4511 for (Signature sig : s1) { 4512 set1.add(sig); 4513 } 4514 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4515 for (Signature sig : s2) { 4516 set2.add(sig); 4517 } 4518 // Make sure s2 contains all signatures in s1. 4519 if (set1.equals(set2)) { 4520 return PackageManager.SIGNATURE_MATCH; 4521 } 4522 return PackageManager.SIGNATURE_NO_MATCH; 4523 } 4524 4525 /** 4526 * If the database version for this type of package (internal storage or 4527 * external storage) is less than the version where package signatures 4528 * were updated, return true. 4529 */ 4530 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4531 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4532 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4533 } 4534 4535 /** 4536 * Used for backward compatibility to make sure any packages with 4537 * certificate chains get upgraded to the new style. {@code existingSigs} 4538 * will be in the old format (since they were stored on disk from before the 4539 * system upgrade) and {@code scannedSigs} will be in the newer format. 4540 */ 4541 private int compareSignaturesCompat(PackageSignatures existingSigs, 4542 PackageParser.Package scannedPkg) { 4543 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4544 return PackageManager.SIGNATURE_NO_MATCH; 4545 } 4546 4547 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4548 for (Signature sig : existingSigs.mSignatures) { 4549 existingSet.add(sig); 4550 } 4551 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4552 for (Signature sig : scannedPkg.mSignatures) { 4553 try { 4554 Signature[] chainSignatures = sig.getChainSignatures(); 4555 for (Signature chainSig : chainSignatures) { 4556 scannedCompatSet.add(chainSig); 4557 } 4558 } catch (CertificateEncodingException e) { 4559 scannedCompatSet.add(sig); 4560 } 4561 } 4562 /* 4563 * Make sure the expanded scanned set contains all signatures in the 4564 * existing one. 4565 */ 4566 if (scannedCompatSet.equals(existingSet)) { 4567 // Migrate the old signatures to the new scheme. 4568 existingSigs.assignSignatures(scannedPkg.mSignatures); 4569 // The new KeySets will be re-added later in the scanning process. 4570 synchronized (mPackages) { 4571 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4572 } 4573 return PackageManager.SIGNATURE_MATCH; 4574 } 4575 return PackageManager.SIGNATURE_NO_MATCH; 4576 } 4577 4578 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4579 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4580 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4581 } 4582 4583 private int compareSignaturesRecover(PackageSignatures existingSigs, 4584 PackageParser.Package scannedPkg) { 4585 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4586 return PackageManager.SIGNATURE_NO_MATCH; 4587 } 4588 4589 String msg = null; 4590 try { 4591 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4592 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4593 + scannedPkg.packageName); 4594 return PackageManager.SIGNATURE_MATCH; 4595 } 4596 } catch (CertificateException e) { 4597 msg = e.getMessage(); 4598 } 4599 4600 logCriticalInfo(Log.INFO, 4601 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4602 return PackageManager.SIGNATURE_NO_MATCH; 4603 } 4604 4605 @Override 4606 public List<String> getAllPackages() { 4607 synchronized (mPackages) { 4608 return new ArrayList<String>(mPackages.keySet()); 4609 } 4610 } 4611 4612 @Override 4613 public String[] getPackagesForUid(int uid) { 4614 uid = UserHandle.getAppId(uid); 4615 // reader 4616 synchronized (mPackages) { 4617 Object obj = mSettings.getUserIdLPr(uid); 4618 if (obj instanceof SharedUserSetting) { 4619 final SharedUserSetting sus = (SharedUserSetting) obj; 4620 final int N = sus.packages.size(); 4621 final String[] res = new String[N]; 4622 final Iterator<PackageSetting> it = sus.packages.iterator(); 4623 int i = 0; 4624 while (it.hasNext()) { 4625 res[i++] = it.next().name; 4626 } 4627 return res; 4628 } else if (obj instanceof PackageSetting) { 4629 final PackageSetting ps = (PackageSetting) obj; 4630 return new String[] { ps.name }; 4631 } 4632 } 4633 return null; 4634 } 4635 4636 @Override 4637 public String getNameForUid(int uid) { 4638 // reader 4639 synchronized (mPackages) { 4640 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4641 if (obj instanceof SharedUserSetting) { 4642 final SharedUserSetting sus = (SharedUserSetting) obj; 4643 return sus.name + ":" + sus.userId; 4644 } else if (obj instanceof PackageSetting) { 4645 final PackageSetting ps = (PackageSetting) obj; 4646 return ps.name; 4647 } 4648 } 4649 return null; 4650 } 4651 4652 @Override 4653 public int getUidForSharedUser(String sharedUserName) { 4654 if(sharedUserName == null) { 4655 return -1; 4656 } 4657 // reader 4658 synchronized (mPackages) { 4659 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4660 if (suid == null) { 4661 return -1; 4662 } 4663 return suid.userId; 4664 } 4665 } 4666 4667 @Override 4668 public int getFlagsForUid(int uid) { 4669 synchronized (mPackages) { 4670 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4671 if (obj instanceof SharedUserSetting) { 4672 final SharedUserSetting sus = (SharedUserSetting) obj; 4673 return sus.pkgFlags; 4674 } else if (obj instanceof PackageSetting) { 4675 final PackageSetting ps = (PackageSetting) obj; 4676 return ps.pkgFlags; 4677 } 4678 } 4679 return 0; 4680 } 4681 4682 @Override 4683 public int getPrivateFlagsForUid(int uid) { 4684 synchronized (mPackages) { 4685 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4686 if (obj instanceof SharedUserSetting) { 4687 final SharedUserSetting sus = (SharedUserSetting) obj; 4688 return sus.pkgPrivateFlags; 4689 } else if (obj instanceof PackageSetting) { 4690 final PackageSetting ps = (PackageSetting) obj; 4691 return ps.pkgPrivateFlags; 4692 } 4693 } 4694 return 0; 4695 } 4696 4697 @Override 4698 public boolean isUidPrivileged(int uid) { 4699 uid = UserHandle.getAppId(uid); 4700 // reader 4701 synchronized (mPackages) { 4702 Object obj = mSettings.getUserIdLPr(uid); 4703 if (obj instanceof SharedUserSetting) { 4704 final SharedUserSetting sus = (SharedUserSetting) obj; 4705 final Iterator<PackageSetting> it = sus.packages.iterator(); 4706 while (it.hasNext()) { 4707 if (it.next().isPrivileged()) { 4708 return true; 4709 } 4710 } 4711 } else if (obj instanceof PackageSetting) { 4712 final PackageSetting ps = (PackageSetting) obj; 4713 return ps.isPrivileged(); 4714 } 4715 } 4716 return false; 4717 } 4718 4719 @Override 4720 public String[] getAppOpPermissionPackages(String permissionName) { 4721 synchronized (mPackages) { 4722 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4723 if (pkgs == null) { 4724 return null; 4725 } 4726 return pkgs.toArray(new String[pkgs.size()]); 4727 } 4728 } 4729 4730 @Override 4731 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4732 int flags, int userId) { 4733 try { 4734 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4735 4736 if (!sUserManager.exists(userId)) return null; 4737 flags = updateFlagsForResolve(flags, userId, intent); 4738 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4739 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4740 4741 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4742 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4743 flags, userId); 4744 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4745 4746 final ResolveInfo bestChoice = 4747 chooseBestActivity(intent, resolvedType, flags, query, userId); 4748 4749 if (isEphemeralAllowed(intent, query, userId)) { 4750 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4751 final EphemeralResolveInfo ai = 4752 getEphemeralResolveInfo(intent, resolvedType, userId); 4753 if (ai != null) { 4754 if (DEBUG_EPHEMERAL) { 4755 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4756 } 4757 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4758 bestChoice.ephemeralResolveInfo = ai; 4759 } 4760 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4761 } 4762 return bestChoice; 4763 } finally { 4764 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4765 } 4766 } 4767 4768 @Override 4769 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4770 IntentFilter filter, int match, ComponentName activity) { 4771 final int userId = UserHandle.getCallingUserId(); 4772 if (DEBUG_PREFERRED) { 4773 Log.v(TAG, "setLastChosenActivity intent=" + intent 4774 + " resolvedType=" + resolvedType 4775 + " flags=" + flags 4776 + " filter=" + filter 4777 + " match=" + match 4778 + " activity=" + activity); 4779 filter.dump(new PrintStreamPrinter(System.out), " "); 4780 } 4781 intent.setComponent(null); 4782 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4783 userId); 4784 // Find any earlier preferred or last chosen entries and nuke them 4785 findPreferredActivity(intent, resolvedType, 4786 flags, query, 0, false, true, false, userId); 4787 // Add the new activity as the last chosen for this filter 4788 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4789 "Setting last chosen"); 4790 } 4791 4792 @Override 4793 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4794 final int userId = UserHandle.getCallingUserId(); 4795 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4796 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4797 userId); 4798 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4799 false, false, false, userId); 4800 } 4801 4802 4803 private boolean isEphemeralAllowed( 4804 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4805 // Short circuit and return early if possible. 4806 if (DISABLE_EPHEMERAL_APPS) { 4807 return false; 4808 } 4809 final int callingUser = UserHandle.getCallingUserId(); 4810 if (callingUser != UserHandle.USER_SYSTEM) { 4811 return false; 4812 } 4813 if (mEphemeralResolverConnection == null) { 4814 return false; 4815 } 4816 if (intent.getComponent() != null) { 4817 return false; 4818 } 4819 if (intent.getPackage() != null) { 4820 return false; 4821 } 4822 final boolean isWebUri = hasWebURI(intent); 4823 if (!isWebUri) { 4824 return false; 4825 } 4826 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4827 synchronized (mPackages) { 4828 final int count = resolvedActivites.size(); 4829 for (int n = 0; n < count; n++) { 4830 ResolveInfo info = resolvedActivites.get(n); 4831 String packageName = info.activityInfo.packageName; 4832 PackageSetting ps = mSettings.mPackages.get(packageName); 4833 if (ps != null) { 4834 // Try to get the status from User settings first 4835 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4836 int status = (int) (packedStatus >> 32); 4837 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4838 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4839 if (DEBUG_EPHEMERAL) { 4840 Slog.v(TAG, "DENY ephemeral apps;" 4841 + " pkg: " + packageName + ", status: " + status); 4842 } 4843 return false; 4844 } 4845 } 4846 } 4847 } 4848 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4849 return true; 4850 } 4851 4852 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4853 int userId) { 4854 MessageDigest digest = null; 4855 try { 4856 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4857 } catch (NoSuchAlgorithmException e) { 4858 // If we can't create a digest, ignore ephemeral apps. 4859 return null; 4860 } 4861 4862 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4863 final byte[] digestBytes = digest.digest(hostBytes); 4864 int shaPrefix = 4865 digestBytes[0] << 24 4866 | digestBytes[1] << 16 4867 | digestBytes[2] << 8 4868 | digestBytes[3] << 0; 4869 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4870 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4871 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4872 // No hash prefix match; there are no ephemeral apps for this domain. 4873 return null; 4874 } 4875 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4876 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4877 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4878 continue; 4879 } 4880 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4881 // No filters; this should never happen. 4882 if (filters.isEmpty()) { 4883 continue; 4884 } 4885 // We have a domain match; resolve the filters to see if anything matches. 4886 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4887 for (int j = filters.size() - 1; j >= 0; --j) { 4888 final EphemeralResolveIntentInfo intentInfo = 4889 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4890 ephemeralResolver.addFilter(intentInfo); 4891 } 4892 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4893 intent, resolvedType, false /*defaultOnly*/, userId); 4894 if (!matchedResolveInfoList.isEmpty()) { 4895 return matchedResolveInfoList.get(0); 4896 } 4897 } 4898 // Hash or filter mis-match; no ephemeral apps for this domain. 4899 return null; 4900 } 4901 4902 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4903 int flags, List<ResolveInfo> query, int userId) { 4904 if (query != null) { 4905 final int N = query.size(); 4906 if (N == 1) { 4907 return query.get(0); 4908 } else if (N > 1) { 4909 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4910 // If there is more than one activity with the same priority, 4911 // then let the user decide between them. 4912 ResolveInfo r0 = query.get(0); 4913 ResolveInfo r1 = query.get(1); 4914 if (DEBUG_INTENT_MATCHING || debug) { 4915 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4916 + r1.activityInfo.name + "=" + r1.priority); 4917 } 4918 // If the first activity has a higher priority, or a different 4919 // default, then it is always desirable to pick it. 4920 if (r0.priority != r1.priority 4921 || r0.preferredOrder != r1.preferredOrder 4922 || r0.isDefault != r1.isDefault) { 4923 return query.get(0); 4924 } 4925 // If we have saved a preference for a preferred activity for 4926 // this Intent, use that. 4927 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4928 flags, query, r0.priority, true, false, debug, userId); 4929 if (ri != null) { 4930 return ri; 4931 } 4932 ri = new ResolveInfo(mResolveInfo); 4933 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4934 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4935 ri.activityInfo.applicationInfo = new ApplicationInfo( 4936 ri.activityInfo.applicationInfo); 4937 if (userId != 0) { 4938 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4939 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4940 } 4941 // Make sure that the resolver is displayable in car mode 4942 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4943 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4944 return ri; 4945 } 4946 } 4947 return null; 4948 } 4949 4950 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4951 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4952 final int N = query.size(); 4953 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4954 .get(userId); 4955 // Get the list of persistent preferred activities that handle the intent 4956 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4957 List<PersistentPreferredActivity> pprefs = ppir != null 4958 ? ppir.queryIntent(intent, resolvedType, 4959 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4960 : null; 4961 if (pprefs != null && pprefs.size() > 0) { 4962 final int M = pprefs.size(); 4963 for (int i=0; i<M; i++) { 4964 final PersistentPreferredActivity ppa = pprefs.get(i); 4965 if (DEBUG_PREFERRED || debug) { 4966 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4967 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4968 + "\n component=" + ppa.mComponent); 4969 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4970 } 4971 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4972 flags | MATCH_DISABLED_COMPONENTS, userId); 4973 if (DEBUG_PREFERRED || debug) { 4974 Slog.v(TAG, "Found persistent preferred activity:"); 4975 if (ai != null) { 4976 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4977 } else { 4978 Slog.v(TAG, " null"); 4979 } 4980 } 4981 if (ai == null) { 4982 // This previously registered persistent preferred activity 4983 // component is no longer known. Ignore it and do NOT remove it. 4984 continue; 4985 } 4986 for (int j=0; j<N; j++) { 4987 final ResolveInfo ri = query.get(j); 4988 if (!ri.activityInfo.applicationInfo.packageName 4989 .equals(ai.applicationInfo.packageName)) { 4990 continue; 4991 } 4992 if (!ri.activityInfo.name.equals(ai.name)) { 4993 continue; 4994 } 4995 // Found a persistent preference that can handle the intent. 4996 if (DEBUG_PREFERRED || debug) { 4997 Slog.v(TAG, "Returning persistent preferred activity: " + 4998 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4999 } 5000 return ri; 5001 } 5002 } 5003 } 5004 return null; 5005 } 5006 5007 // TODO: handle preferred activities missing while user has amnesia 5008 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5009 List<ResolveInfo> query, int priority, boolean always, 5010 boolean removeMatches, boolean debug, int userId) { 5011 if (!sUserManager.exists(userId)) return null; 5012 flags = updateFlagsForResolve(flags, userId, intent); 5013 // writer 5014 synchronized (mPackages) { 5015 if (intent.getSelector() != null) { 5016 intent = intent.getSelector(); 5017 } 5018 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5019 5020 // Try to find a matching persistent preferred activity. 5021 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5022 debug, userId); 5023 5024 // If a persistent preferred activity matched, use it. 5025 if (pri != null) { 5026 return pri; 5027 } 5028 5029 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5030 // Get the list of preferred activities that handle the intent 5031 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5032 List<PreferredActivity> prefs = pir != null 5033 ? pir.queryIntent(intent, resolvedType, 5034 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5035 : null; 5036 if (prefs != null && prefs.size() > 0) { 5037 boolean changed = false; 5038 try { 5039 // First figure out how good the original match set is. 5040 // We will only allow preferred activities that came 5041 // from the same match quality. 5042 int match = 0; 5043 5044 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5045 5046 final int N = query.size(); 5047 for (int j=0; j<N; j++) { 5048 final ResolveInfo ri = query.get(j); 5049 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5050 + ": 0x" + Integer.toHexString(match)); 5051 if (ri.match > match) { 5052 match = ri.match; 5053 } 5054 } 5055 5056 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5057 + Integer.toHexString(match)); 5058 5059 match &= IntentFilter.MATCH_CATEGORY_MASK; 5060 final int M = prefs.size(); 5061 for (int i=0; i<M; i++) { 5062 final PreferredActivity pa = prefs.get(i); 5063 if (DEBUG_PREFERRED || debug) { 5064 Slog.v(TAG, "Checking PreferredActivity ds=" 5065 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5066 + "\n component=" + pa.mPref.mComponent); 5067 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5068 } 5069 if (pa.mPref.mMatch != match) { 5070 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5071 + Integer.toHexString(pa.mPref.mMatch)); 5072 continue; 5073 } 5074 // If it's not an "always" type preferred activity and that's what we're 5075 // looking for, skip it. 5076 if (always && !pa.mPref.mAlways) { 5077 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5078 continue; 5079 } 5080 final ActivityInfo ai = getActivityInfo( 5081 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5082 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5083 userId); 5084 if (DEBUG_PREFERRED || debug) { 5085 Slog.v(TAG, "Found preferred activity:"); 5086 if (ai != null) { 5087 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5088 } else { 5089 Slog.v(TAG, " null"); 5090 } 5091 } 5092 if (ai == null) { 5093 // This previously registered preferred activity 5094 // component is no longer known. Most likely an update 5095 // to the app was installed and in the new version this 5096 // component no longer exists. Clean it up by removing 5097 // it from the preferred activities list, and skip it. 5098 Slog.w(TAG, "Removing dangling preferred activity: " 5099 + pa.mPref.mComponent); 5100 pir.removeFilter(pa); 5101 changed = true; 5102 continue; 5103 } 5104 for (int j=0; j<N; j++) { 5105 final ResolveInfo ri = query.get(j); 5106 if (!ri.activityInfo.applicationInfo.packageName 5107 .equals(ai.applicationInfo.packageName)) { 5108 continue; 5109 } 5110 if (!ri.activityInfo.name.equals(ai.name)) { 5111 continue; 5112 } 5113 5114 if (removeMatches) { 5115 pir.removeFilter(pa); 5116 changed = true; 5117 if (DEBUG_PREFERRED) { 5118 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5119 } 5120 break; 5121 } 5122 5123 // Okay we found a previously set preferred or last chosen app. 5124 // If the result set is different from when this 5125 // was created, we need to clear it and re-ask the 5126 // user their preference, if we're looking for an "always" type entry. 5127 if (always && !pa.mPref.sameSet(query)) { 5128 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5129 + intent + " type " + resolvedType); 5130 if (DEBUG_PREFERRED) { 5131 Slog.v(TAG, "Removing preferred activity since set changed " 5132 + pa.mPref.mComponent); 5133 } 5134 pir.removeFilter(pa); 5135 // Re-add the filter as a "last chosen" entry (!always) 5136 PreferredActivity lastChosen = new PreferredActivity( 5137 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5138 pir.addFilter(lastChosen); 5139 changed = true; 5140 return null; 5141 } 5142 5143 // Yay! Either the set matched or we're looking for the last chosen 5144 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5145 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5146 return ri; 5147 } 5148 } 5149 } finally { 5150 if (changed) { 5151 if (DEBUG_PREFERRED) { 5152 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5153 } 5154 scheduleWritePackageRestrictionsLocked(userId); 5155 } 5156 } 5157 } 5158 } 5159 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5160 return null; 5161 } 5162 5163 /* 5164 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5165 */ 5166 @Override 5167 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5168 int targetUserId) { 5169 mContext.enforceCallingOrSelfPermission( 5170 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5171 List<CrossProfileIntentFilter> matches = 5172 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5173 if (matches != null) { 5174 int size = matches.size(); 5175 for (int i = 0; i < size; i++) { 5176 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5177 } 5178 } 5179 if (hasWebURI(intent)) { 5180 // cross-profile app linking works only towards the parent. 5181 final UserInfo parent = getProfileParent(sourceUserId); 5182 synchronized(mPackages) { 5183 int flags = updateFlagsForResolve(0, parent.id, intent); 5184 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5185 intent, resolvedType, flags, sourceUserId, parent.id); 5186 return xpDomainInfo != null; 5187 } 5188 } 5189 return false; 5190 } 5191 5192 private UserInfo getProfileParent(int userId) { 5193 final long identity = Binder.clearCallingIdentity(); 5194 try { 5195 return sUserManager.getProfileParent(userId); 5196 } finally { 5197 Binder.restoreCallingIdentity(identity); 5198 } 5199 } 5200 5201 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5202 String resolvedType, int userId) { 5203 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5204 if (resolver != null) { 5205 return resolver.queryIntent(intent, resolvedType, false, userId); 5206 } 5207 return null; 5208 } 5209 5210 @Override 5211 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5212 String resolvedType, int flags, int userId) { 5213 try { 5214 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5215 5216 return new ParceledListSlice<>( 5217 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5218 } finally { 5219 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5220 } 5221 } 5222 5223 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5224 String resolvedType, int flags, int userId) { 5225 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5226 flags = updateFlagsForResolve(flags, userId, intent); 5227 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5228 false /* requireFullPermission */, false /* checkShell */, 5229 "query intent activities"); 5230 ComponentName comp = intent.getComponent(); 5231 if (comp == null) { 5232 if (intent.getSelector() != null) { 5233 intent = intent.getSelector(); 5234 comp = intent.getComponent(); 5235 } 5236 } 5237 5238 if (comp != null) { 5239 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5240 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5241 if (ai != null) { 5242 final ResolveInfo ri = new ResolveInfo(); 5243 ri.activityInfo = ai; 5244 list.add(ri); 5245 } 5246 return list; 5247 } 5248 5249 // reader 5250 synchronized (mPackages) { 5251 final String pkgName = intent.getPackage(); 5252 if (pkgName == null) { 5253 List<CrossProfileIntentFilter> matchingFilters = 5254 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5255 // Check for results that need to skip the current profile. 5256 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5257 resolvedType, flags, userId); 5258 if (xpResolveInfo != null) { 5259 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5260 result.add(xpResolveInfo); 5261 return filterIfNotSystemUser(result, userId); 5262 } 5263 5264 // Check for results in the current profile. 5265 List<ResolveInfo> result = mActivities.queryIntent( 5266 intent, resolvedType, flags, userId); 5267 result = filterIfNotSystemUser(result, userId); 5268 5269 // Check for cross profile results. 5270 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5271 xpResolveInfo = queryCrossProfileIntents( 5272 matchingFilters, intent, resolvedType, flags, userId, 5273 hasNonNegativePriorityResult); 5274 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5275 boolean isVisibleToUser = filterIfNotSystemUser( 5276 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5277 if (isVisibleToUser) { 5278 result.add(xpResolveInfo); 5279 Collections.sort(result, mResolvePrioritySorter); 5280 } 5281 } 5282 if (hasWebURI(intent)) { 5283 CrossProfileDomainInfo xpDomainInfo = null; 5284 final UserInfo parent = getProfileParent(userId); 5285 if (parent != null) { 5286 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5287 flags, userId, parent.id); 5288 } 5289 if (xpDomainInfo != null) { 5290 if (xpResolveInfo != null) { 5291 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5292 // in the result. 5293 result.remove(xpResolveInfo); 5294 } 5295 if (result.size() == 0) { 5296 result.add(xpDomainInfo.resolveInfo); 5297 return result; 5298 } 5299 } else if (result.size() <= 1) { 5300 return result; 5301 } 5302 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5303 xpDomainInfo, userId); 5304 Collections.sort(result, mResolvePrioritySorter); 5305 } 5306 return result; 5307 } 5308 final PackageParser.Package pkg = mPackages.get(pkgName); 5309 if (pkg != null) { 5310 return filterIfNotSystemUser( 5311 mActivities.queryIntentForPackage( 5312 intent, resolvedType, flags, pkg.activities, userId), 5313 userId); 5314 } 5315 return new ArrayList<ResolveInfo>(); 5316 } 5317 } 5318 5319 private static class CrossProfileDomainInfo { 5320 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5321 ResolveInfo resolveInfo; 5322 /* Best domain verification status of the activities found in the other profile */ 5323 int bestDomainVerificationStatus; 5324 } 5325 5326 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5327 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5328 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5329 sourceUserId)) { 5330 return null; 5331 } 5332 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5333 resolvedType, flags, parentUserId); 5334 5335 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5336 return null; 5337 } 5338 CrossProfileDomainInfo result = null; 5339 int size = resultTargetUser.size(); 5340 for (int i = 0; i < size; i++) { 5341 ResolveInfo riTargetUser = resultTargetUser.get(i); 5342 // Intent filter verification is only for filters that specify a host. So don't return 5343 // those that handle all web uris. 5344 if (riTargetUser.handleAllWebDataURI) { 5345 continue; 5346 } 5347 String packageName = riTargetUser.activityInfo.packageName; 5348 PackageSetting ps = mSettings.mPackages.get(packageName); 5349 if (ps == null) { 5350 continue; 5351 } 5352 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5353 int status = (int)(verificationState >> 32); 5354 if (result == null) { 5355 result = new CrossProfileDomainInfo(); 5356 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5357 sourceUserId, parentUserId); 5358 result.bestDomainVerificationStatus = status; 5359 } else { 5360 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5361 result.bestDomainVerificationStatus); 5362 } 5363 } 5364 // Don't consider matches with status NEVER across profiles. 5365 if (result != null && result.bestDomainVerificationStatus 5366 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5367 return null; 5368 } 5369 return result; 5370 } 5371 5372 /** 5373 * Verification statuses are ordered from the worse to the best, except for 5374 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5375 */ 5376 private int bestDomainVerificationStatus(int status1, int status2) { 5377 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5378 return status2; 5379 } 5380 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5381 return status1; 5382 } 5383 return (int) MathUtils.max(status1, status2); 5384 } 5385 5386 private boolean isUserEnabled(int userId) { 5387 long callingId = Binder.clearCallingIdentity(); 5388 try { 5389 UserInfo userInfo = sUserManager.getUserInfo(userId); 5390 return userInfo != null && userInfo.isEnabled(); 5391 } finally { 5392 Binder.restoreCallingIdentity(callingId); 5393 } 5394 } 5395 5396 /** 5397 * Filter out activities with systemUserOnly flag set, when current user is not System. 5398 * 5399 * @return filtered list 5400 */ 5401 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5402 if (userId == UserHandle.USER_SYSTEM) { 5403 return resolveInfos; 5404 } 5405 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5406 ResolveInfo info = resolveInfos.get(i); 5407 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5408 resolveInfos.remove(i); 5409 } 5410 } 5411 return resolveInfos; 5412 } 5413 5414 /** 5415 * @param resolveInfos list of resolve infos in descending priority order 5416 * @return if the list contains a resolve info with non-negative priority 5417 */ 5418 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5419 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5420 } 5421 5422 private static boolean hasWebURI(Intent intent) { 5423 if (intent.getData() == null) { 5424 return false; 5425 } 5426 final String scheme = intent.getScheme(); 5427 if (TextUtils.isEmpty(scheme)) { 5428 return false; 5429 } 5430 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5431 } 5432 5433 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5434 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5435 int userId) { 5436 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5437 5438 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5439 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5440 candidates.size()); 5441 } 5442 5443 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5444 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5445 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5446 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5447 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5448 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5449 5450 synchronized (mPackages) { 5451 final int count = candidates.size(); 5452 // First, try to use linked apps. Partition the candidates into four lists: 5453 // one for the final results, one for the "do not use ever", one for "undefined status" 5454 // and finally one for "browser app type". 5455 for (int n=0; n<count; n++) { 5456 ResolveInfo info = candidates.get(n); 5457 String packageName = info.activityInfo.packageName; 5458 PackageSetting ps = mSettings.mPackages.get(packageName); 5459 if (ps != null) { 5460 // Add to the special match all list (Browser use case) 5461 if (info.handleAllWebDataURI) { 5462 matchAllList.add(info); 5463 continue; 5464 } 5465 // Try to get the status from User settings first 5466 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5467 int status = (int)(packedStatus >> 32); 5468 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5469 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5470 if (DEBUG_DOMAIN_VERIFICATION) { 5471 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5472 + " : linkgen=" + linkGeneration); 5473 } 5474 // Use link-enabled generation as preferredOrder, i.e. 5475 // prefer newly-enabled over earlier-enabled. 5476 info.preferredOrder = linkGeneration; 5477 alwaysList.add(info); 5478 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5479 if (DEBUG_DOMAIN_VERIFICATION) { 5480 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5481 } 5482 neverList.add(info); 5483 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5484 if (DEBUG_DOMAIN_VERIFICATION) { 5485 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5486 } 5487 alwaysAskList.add(info); 5488 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5489 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5490 if (DEBUG_DOMAIN_VERIFICATION) { 5491 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5492 } 5493 undefinedList.add(info); 5494 } 5495 } 5496 } 5497 5498 // We'll want to include browser possibilities in a few cases 5499 boolean includeBrowser = false; 5500 5501 // First try to add the "always" resolution(s) for the current user, if any 5502 if (alwaysList.size() > 0) { 5503 result.addAll(alwaysList); 5504 } else { 5505 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5506 result.addAll(undefinedList); 5507 // Maybe add one for the other profile. 5508 if (xpDomainInfo != null && ( 5509 xpDomainInfo.bestDomainVerificationStatus 5510 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5511 result.add(xpDomainInfo.resolveInfo); 5512 } 5513 includeBrowser = true; 5514 } 5515 5516 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5517 // If there were 'always' entries their preferred order has been set, so we also 5518 // back that off to make the alternatives equivalent 5519 if (alwaysAskList.size() > 0) { 5520 for (ResolveInfo i : result) { 5521 i.preferredOrder = 0; 5522 } 5523 result.addAll(alwaysAskList); 5524 includeBrowser = true; 5525 } 5526 5527 if (includeBrowser) { 5528 // Also add browsers (all of them or only the default one) 5529 if (DEBUG_DOMAIN_VERIFICATION) { 5530 Slog.v(TAG, " ...including browsers in candidate set"); 5531 } 5532 if ((matchFlags & MATCH_ALL) != 0) { 5533 result.addAll(matchAllList); 5534 } else { 5535 // Browser/generic handling case. If there's a default browser, go straight 5536 // to that (but only if there is no other higher-priority match). 5537 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5538 int maxMatchPrio = 0; 5539 ResolveInfo defaultBrowserMatch = null; 5540 final int numCandidates = matchAllList.size(); 5541 for (int n = 0; n < numCandidates; n++) { 5542 ResolveInfo info = matchAllList.get(n); 5543 // track the highest overall match priority... 5544 if (info.priority > maxMatchPrio) { 5545 maxMatchPrio = info.priority; 5546 } 5547 // ...and the highest-priority default browser match 5548 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5549 if (defaultBrowserMatch == null 5550 || (defaultBrowserMatch.priority < info.priority)) { 5551 if (debug) { 5552 Slog.v(TAG, "Considering default browser match " + info); 5553 } 5554 defaultBrowserMatch = info; 5555 } 5556 } 5557 } 5558 if (defaultBrowserMatch != null 5559 && defaultBrowserMatch.priority >= maxMatchPrio 5560 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5561 { 5562 if (debug) { 5563 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5564 } 5565 result.add(defaultBrowserMatch); 5566 } else { 5567 result.addAll(matchAllList); 5568 } 5569 } 5570 5571 // If there is nothing selected, add all candidates and remove the ones that the user 5572 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5573 if (result.size() == 0) { 5574 result.addAll(candidates); 5575 result.removeAll(neverList); 5576 } 5577 } 5578 } 5579 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5580 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5581 result.size()); 5582 for (ResolveInfo info : result) { 5583 Slog.v(TAG, " + " + info.activityInfo); 5584 } 5585 } 5586 return result; 5587 } 5588 5589 // Returns a packed value as a long: 5590 // 5591 // high 'int'-sized word: link status: undefined/ask/never/always. 5592 // low 'int'-sized word: relative priority among 'always' results. 5593 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5594 long result = ps.getDomainVerificationStatusForUser(userId); 5595 // if none available, get the master status 5596 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5597 if (ps.getIntentFilterVerificationInfo() != null) { 5598 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5599 } 5600 } 5601 return result; 5602 } 5603 5604 private ResolveInfo querySkipCurrentProfileIntents( 5605 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5606 int flags, int sourceUserId) { 5607 if (matchingFilters != null) { 5608 int size = matchingFilters.size(); 5609 for (int i = 0; i < size; i ++) { 5610 CrossProfileIntentFilter filter = matchingFilters.get(i); 5611 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5612 // Checking if there are activities in the target user that can handle the 5613 // intent. 5614 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5615 resolvedType, flags, sourceUserId); 5616 if (resolveInfo != null) { 5617 return resolveInfo; 5618 } 5619 } 5620 } 5621 } 5622 return null; 5623 } 5624 5625 // Return matching ResolveInfo in target user if any. 5626 private ResolveInfo queryCrossProfileIntents( 5627 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5628 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5629 if (matchingFilters != null) { 5630 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5631 // match the same intent. For performance reasons, it is better not to 5632 // run queryIntent twice for the same userId 5633 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5634 int size = matchingFilters.size(); 5635 for (int i = 0; i < size; i++) { 5636 CrossProfileIntentFilter filter = matchingFilters.get(i); 5637 int targetUserId = filter.getTargetUserId(); 5638 boolean skipCurrentProfile = 5639 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5640 boolean skipCurrentProfileIfNoMatchFound = 5641 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5642 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5643 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5644 // Checking if there are activities in the target user that can handle the 5645 // intent. 5646 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5647 resolvedType, flags, sourceUserId); 5648 if (resolveInfo != null) return resolveInfo; 5649 alreadyTriedUserIds.put(targetUserId, true); 5650 } 5651 } 5652 } 5653 return null; 5654 } 5655 5656 /** 5657 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5658 * will forward the intent to the filter's target user. 5659 * Otherwise, returns null. 5660 */ 5661 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5662 String resolvedType, int flags, int sourceUserId) { 5663 int targetUserId = filter.getTargetUserId(); 5664 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5665 resolvedType, flags, targetUserId); 5666 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5667 // If all the matches in the target profile are suspended, return null. 5668 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5669 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5670 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5671 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5672 targetUserId); 5673 } 5674 } 5675 } 5676 return null; 5677 } 5678 5679 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5680 int sourceUserId, int targetUserId) { 5681 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5682 long ident = Binder.clearCallingIdentity(); 5683 boolean targetIsProfile; 5684 try { 5685 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5686 } finally { 5687 Binder.restoreCallingIdentity(ident); 5688 } 5689 String className; 5690 if (targetIsProfile) { 5691 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5692 } else { 5693 className = FORWARD_INTENT_TO_PARENT; 5694 } 5695 ComponentName forwardingActivityComponentName = new ComponentName( 5696 mAndroidApplication.packageName, className); 5697 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5698 sourceUserId); 5699 if (!targetIsProfile) { 5700 forwardingActivityInfo.showUserIcon = targetUserId; 5701 forwardingResolveInfo.noResourceId = true; 5702 } 5703 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5704 forwardingResolveInfo.priority = 0; 5705 forwardingResolveInfo.preferredOrder = 0; 5706 forwardingResolveInfo.match = 0; 5707 forwardingResolveInfo.isDefault = true; 5708 forwardingResolveInfo.filter = filter; 5709 forwardingResolveInfo.targetUserId = targetUserId; 5710 return forwardingResolveInfo; 5711 } 5712 5713 @Override 5714 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5715 Intent[] specifics, String[] specificTypes, Intent intent, 5716 String resolvedType, int flags, int userId) { 5717 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5718 specificTypes, intent, resolvedType, flags, userId)); 5719 } 5720 5721 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5722 Intent[] specifics, String[] specificTypes, Intent intent, 5723 String resolvedType, int flags, int userId) { 5724 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5725 flags = updateFlagsForResolve(flags, userId, intent); 5726 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5727 false /* requireFullPermission */, false /* checkShell */, 5728 "query intent activity options"); 5729 final String resultsAction = intent.getAction(); 5730 5731 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5732 | PackageManager.GET_RESOLVED_FILTER, userId); 5733 5734 if (DEBUG_INTENT_MATCHING) { 5735 Log.v(TAG, "Query " + intent + ": " + results); 5736 } 5737 5738 int specificsPos = 0; 5739 int N; 5740 5741 // todo: note that the algorithm used here is O(N^2). This 5742 // isn't a problem in our current environment, but if we start running 5743 // into situations where we have more than 5 or 10 matches then this 5744 // should probably be changed to something smarter... 5745 5746 // First we go through and resolve each of the specific items 5747 // that were supplied, taking care of removing any corresponding 5748 // duplicate items in the generic resolve list. 5749 if (specifics != null) { 5750 for (int i=0; i<specifics.length; i++) { 5751 final Intent sintent = specifics[i]; 5752 if (sintent == null) { 5753 continue; 5754 } 5755 5756 if (DEBUG_INTENT_MATCHING) { 5757 Log.v(TAG, "Specific #" + i + ": " + sintent); 5758 } 5759 5760 String action = sintent.getAction(); 5761 if (resultsAction != null && resultsAction.equals(action)) { 5762 // If this action was explicitly requested, then don't 5763 // remove things that have it. 5764 action = null; 5765 } 5766 5767 ResolveInfo ri = null; 5768 ActivityInfo ai = null; 5769 5770 ComponentName comp = sintent.getComponent(); 5771 if (comp == null) { 5772 ri = resolveIntent( 5773 sintent, 5774 specificTypes != null ? specificTypes[i] : null, 5775 flags, userId); 5776 if (ri == null) { 5777 continue; 5778 } 5779 if (ri == mResolveInfo) { 5780 // ACK! Must do something better with this. 5781 } 5782 ai = ri.activityInfo; 5783 comp = new ComponentName(ai.applicationInfo.packageName, 5784 ai.name); 5785 } else { 5786 ai = getActivityInfo(comp, flags, userId); 5787 if (ai == null) { 5788 continue; 5789 } 5790 } 5791 5792 // Look for any generic query activities that are duplicates 5793 // of this specific one, and remove them from the results. 5794 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5795 N = results.size(); 5796 int j; 5797 for (j=specificsPos; j<N; j++) { 5798 ResolveInfo sri = results.get(j); 5799 if ((sri.activityInfo.name.equals(comp.getClassName()) 5800 && sri.activityInfo.applicationInfo.packageName.equals( 5801 comp.getPackageName())) 5802 || (action != null && sri.filter.matchAction(action))) { 5803 results.remove(j); 5804 if (DEBUG_INTENT_MATCHING) Log.v( 5805 TAG, "Removing duplicate item from " + j 5806 + " due to specific " + specificsPos); 5807 if (ri == null) { 5808 ri = sri; 5809 } 5810 j--; 5811 N--; 5812 } 5813 } 5814 5815 // Add this specific item to its proper place. 5816 if (ri == null) { 5817 ri = new ResolveInfo(); 5818 ri.activityInfo = ai; 5819 } 5820 results.add(specificsPos, ri); 5821 ri.specificIndex = i; 5822 specificsPos++; 5823 } 5824 } 5825 5826 // Now we go through the remaining generic results and remove any 5827 // duplicate actions that are found here. 5828 N = results.size(); 5829 for (int i=specificsPos; i<N-1; i++) { 5830 final ResolveInfo rii = results.get(i); 5831 if (rii.filter == null) { 5832 continue; 5833 } 5834 5835 // Iterate over all of the actions of this result's intent 5836 // filter... typically this should be just one. 5837 final Iterator<String> it = rii.filter.actionsIterator(); 5838 if (it == null) { 5839 continue; 5840 } 5841 while (it.hasNext()) { 5842 final String action = it.next(); 5843 if (resultsAction != null && resultsAction.equals(action)) { 5844 // If this action was explicitly requested, then don't 5845 // remove things that have it. 5846 continue; 5847 } 5848 for (int j=i+1; j<N; j++) { 5849 final ResolveInfo rij = results.get(j); 5850 if (rij.filter != null && rij.filter.hasAction(action)) { 5851 results.remove(j); 5852 if (DEBUG_INTENT_MATCHING) Log.v( 5853 TAG, "Removing duplicate item from " + j 5854 + " due to action " + action + " at " + i); 5855 j--; 5856 N--; 5857 } 5858 } 5859 } 5860 5861 // If the caller didn't request filter information, drop it now 5862 // so we don't have to marshall/unmarshall it. 5863 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5864 rii.filter = null; 5865 } 5866 } 5867 5868 // Filter out the caller activity if so requested. 5869 if (caller != null) { 5870 N = results.size(); 5871 for (int i=0; i<N; i++) { 5872 ActivityInfo ainfo = results.get(i).activityInfo; 5873 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5874 && caller.getClassName().equals(ainfo.name)) { 5875 results.remove(i); 5876 break; 5877 } 5878 } 5879 } 5880 5881 // If the caller didn't request filter information, 5882 // drop them now so we don't have to 5883 // marshall/unmarshall it. 5884 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5885 N = results.size(); 5886 for (int i=0; i<N; i++) { 5887 results.get(i).filter = null; 5888 } 5889 } 5890 5891 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5892 return results; 5893 } 5894 5895 @Override 5896 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5897 String resolvedType, int flags, int userId) { 5898 return new ParceledListSlice<>( 5899 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5900 } 5901 5902 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5903 String resolvedType, int flags, int userId) { 5904 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5905 flags = updateFlagsForResolve(flags, userId, intent); 5906 ComponentName comp = intent.getComponent(); 5907 if (comp == null) { 5908 if (intent.getSelector() != null) { 5909 intent = intent.getSelector(); 5910 comp = intent.getComponent(); 5911 } 5912 } 5913 if (comp != null) { 5914 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5915 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5916 if (ai != null) { 5917 ResolveInfo ri = new ResolveInfo(); 5918 ri.activityInfo = ai; 5919 list.add(ri); 5920 } 5921 return list; 5922 } 5923 5924 // reader 5925 synchronized (mPackages) { 5926 String pkgName = intent.getPackage(); 5927 if (pkgName == null) { 5928 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5929 } 5930 final PackageParser.Package pkg = mPackages.get(pkgName); 5931 if (pkg != null) { 5932 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5933 userId); 5934 } 5935 return Collections.emptyList(); 5936 } 5937 } 5938 5939 @Override 5940 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5941 if (!sUserManager.exists(userId)) return null; 5942 flags = updateFlagsForResolve(flags, userId, intent); 5943 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5944 if (query != null) { 5945 if (query.size() >= 1) { 5946 // If there is more than one service with the same priority, 5947 // just arbitrarily pick the first one. 5948 return query.get(0); 5949 } 5950 } 5951 return null; 5952 } 5953 5954 @Override 5955 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5956 String resolvedType, int flags, int userId) { 5957 return new ParceledListSlice<>( 5958 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5959 } 5960 5961 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5962 String resolvedType, int flags, int userId) { 5963 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5964 flags = updateFlagsForResolve(flags, userId, intent); 5965 ComponentName comp = intent.getComponent(); 5966 if (comp == null) { 5967 if (intent.getSelector() != null) { 5968 intent = intent.getSelector(); 5969 comp = intent.getComponent(); 5970 } 5971 } 5972 if (comp != null) { 5973 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5974 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5975 if (si != null) { 5976 final ResolveInfo ri = new ResolveInfo(); 5977 ri.serviceInfo = si; 5978 list.add(ri); 5979 } 5980 return list; 5981 } 5982 5983 // reader 5984 synchronized (mPackages) { 5985 String pkgName = intent.getPackage(); 5986 if (pkgName == null) { 5987 return mServices.queryIntent(intent, resolvedType, flags, userId); 5988 } 5989 final PackageParser.Package pkg = mPackages.get(pkgName); 5990 if (pkg != null) { 5991 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5992 userId); 5993 } 5994 return Collections.emptyList(); 5995 } 5996 } 5997 5998 @Override 5999 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6000 String resolvedType, int flags, int userId) { 6001 return new ParceledListSlice<>( 6002 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6003 } 6004 6005 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6006 Intent intent, String resolvedType, int flags, int userId) { 6007 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6008 flags = updateFlagsForResolve(flags, userId, intent); 6009 ComponentName comp = intent.getComponent(); 6010 if (comp == null) { 6011 if (intent.getSelector() != null) { 6012 intent = intent.getSelector(); 6013 comp = intent.getComponent(); 6014 } 6015 } 6016 if (comp != null) { 6017 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6018 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6019 if (pi != null) { 6020 final ResolveInfo ri = new ResolveInfo(); 6021 ri.providerInfo = pi; 6022 list.add(ri); 6023 } 6024 return list; 6025 } 6026 6027 // reader 6028 synchronized (mPackages) { 6029 String pkgName = intent.getPackage(); 6030 if (pkgName == null) { 6031 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6032 } 6033 final PackageParser.Package pkg = mPackages.get(pkgName); 6034 if (pkg != null) { 6035 return mProviders.queryIntentForPackage( 6036 intent, resolvedType, flags, pkg.providers, userId); 6037 } 6038 return Collections.emptyList(); 6039 } 6040 } 6041 6042 @Override 6043 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6044 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6045 flags = updateFlagsForPackage(flags, userId, null); 6046 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6047 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6048 true /* requireFullPermission */, false /* checkShell */, 6049 "get installed packages"); 6050 6051 // writer 6052 synchronized (mPackages) { 6053 ArrayList<PackageInfo> list; 6054 if (listUninstalled) { 6055 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6056 for (PackageSetting ps : mSettings.mPackages.values()) { 6057 final PackageInfo pi; 6058 if (ps.pkg != null) { 6059 pi = generatePackageInfo(ps, flags, userId); 6060 } else { 6061 pi = generatePackageInfo(ps, flags, userId); 6062 } 6063 if (pi != null) { 6064 list.add(pi); 6065 } 6066 } 6067 } else { 6068 list = new ArrayList<PackageInfo>(mPackages.size()); 6069 for (PackageParser.Package p : mPackages.values()) { 6070 final PackageInfo pi = 6071 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6072 if (pi != null) { 6073 list.add(pi); 6074 } 6075 } 6076 } 6077 6078 return new ParceledListSlice<PackageInfo>(list); 6079 } 6080 } 6081 6082 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6083 String[] permissions, boolean[] tmp, int flags, int userId) { 6084 int numMatch = 0; 6085 final PermissionsState permissionsState = ps.getPermissionsState(); 6086 for (int i=0; i<permissions.length; i++) { 6087 final String permission = permissions[i]; 6088 if (permissionsState.hasPermission(permission, userId)) { 6089 tmp[i] = true; 6090 numMatch++; 6091 } else { 6092 tmp[i] = false; 6093 } 6094 } 6095 if (numMatch == 0) { 6096 return; 6097 } 6098 final PackageInfo pi; 6099 if (ps.pkg != null) { 6100 pi = generatePackageInfo(ps, flags, userId); 6101 } else { 6102 pi = generatePackageInfo(ps, flags, userId); 6103 } 6104 // The above might return null in cases of uninstalled apps or install-state 6105 // skew across users/profiles. 6106 if (pi != null) { 6107 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6108 if (numMatch == permissions.length) { 6109 pi.requestedPermissions = permissions; 6110 } else { 6111 pi.requestedPermissions = new String[numMatch]; 6112 numMatch = 0; 6113 for (int i=0; i<permissions.length; i++) { 6114 if (tmp[i]) { 6115 pi.requestedPermissions[numMatch] = permissions[i]; 6116 numMatch++; 6117 } 6118 } 6119 } 6120 } 6121 list.add(pi); 6122 } 6123 } 6124 6125 @Override 6126 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6127 String[] permissions, int flags, int userId) { 6128 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6129 flags = updateFlagsForPackage(flags, userId, permissions); 6130 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6131 6132 // writer 6133 synchronized (mPackages) { 6134 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6135 boolean[] tmpBools = new boolean[permissions.length]; 6136 if (listUninstalled) { 6137 for (PackageSetting ps : mSettings.mPackages.values()) { 6138 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6139 } 6140 } else { 6141 for (PackageParser.Package pkg : mPackages.values()) { 6142 PackageSetting ps = (PackageSetting)pkg.mExtras; 6143 if (ps != null) { 6144 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6145 userId); 6146 } 6147 } 6148 } 6149 6150 return new ParceledListSlice<PackageInfo>(list); 6151 } 6152 } 6153 6154 @Override 6155 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6156 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6157 flags = updateFlagsForApplication(flags, userId, null); 6158 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6159 6160 // writer 6161 synchronized (mPackages) { 6162 ArrayList<ApplicationInfo> list; 6163 if (listUninstalled) { 6164 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6165 for (PackageSetting ps : mSettings.mPackages.values()) { 6166 ApplicationInfo ai; 6167 if (ps.pkg != null) { 6168 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6169 ps.readUserState(userId), userId); 6170 } else { 6171 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6172 } 6173 if (ai != null) { 6174 list.add(ai); 6175 } 6176 } 6177 } else { 6178 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6179 for (PackageParser.Package p : mPackages.values()) { 6180 if (p.mExtras != null) { 6181 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6182 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6183 if (ai != null) { 6184 list.add(ai); 6185 } 6186 } 6187 } 6188 } 6189 6190 return new ParceledListSlice<ApplicationInfo>(list); 6191 } 6192 } 6193 6194 @Override 6195 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6196 if (DISABLE_EPHEMERAL_APPS) { 6197 return null; 6198 } 6199 6200 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6201 "getEphemeralApplications"); 6202 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6203 true /* requireFullPermission */, false /* checkShell */, 6204 "getEphemeralApplications"); 6205 synchronized (mPackages) { 6206 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6207 .getEphemeralApplicationsLPw(userId); 6208 if (ephemeralApps != null) { 6209 return new ParceledListSlice<>(ephemeralApps); 6210 } 6211 } 6212 return null; 6213 } 6214 6215 @Override 6216 public boolean isEphemeralApplication(String packageName, int userId) { 6217 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6218 true /* requireFullPermission */, false /* checkShell */, 6219 "isEphemeral"); 6220 if (DISABLE_EPHEMERAL_APPS) { 6221 return false; 6222 } 6223 6224 if (!isCallerSameApp(packageName)) { 6225 return false; 6226 } 6227 synchronized (mPackages) { 6228 PackageParser.Package pkg = mPackages.get(packageName); 6229 if (pkg != null) { 6230 return pkg.applicationInfo.isEphemeralApp(); 6231 } 6232 } 6233 return false; 6234 } 6235 6236 @Override 6237 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6238 if (DISABLE_EPHEMERAL_APPS) { 6239 return null; 6240 } 6241 6242 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6243 true /* requireFullPermission */, false /* checkShell */, 6244 "getCookie"); 6245 if (!isCallerSameApp(packageName)) { 6246 return null; 6247 } 6248 synchronized (mPackages) { 6249 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6250 packageName, userId); 6251 } 6252 } 6253 6254 @Override 6255 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6256 if (DISABLE_EPHEMERAL_APPS) { 6257 return true; 6258 } 6259 6260 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6261 true /* requireFullPermission */, true /* checkShell */, 6262 "setCookie"); 6263 if (!isCallerSameApp(packageName)) { 6264 return false; 6265 } 6266 synchronized (mPackages) { 6267 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6268 packageName, cookie, userId); 6269 } 6270 } 6271 6272 @Override 6273 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6274 if (DISABLE_EPHEMERAL_APPS) { 6275 return null; 6276 } 6277 6278 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6279 "getEphemeralApplicationIcon"); 6280 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6281 true /* requireFullPermission */, false /* checkShell */, 6282 "getEphemeralApplicationIcon"); 6283 synchronized (mPackages) { 6284 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6285 packageName, userId); 6286 } 6287 } 6288 6289 private boolean isCallerSameApp(String packageName) { 6290 PackageParser.Package pkg = mPackages.get(packageName); 6291 return pkg != null 6292 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6293 } 6294 6295 @Override 6296 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6297 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6298 } 6299 6300 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6301 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6302 6303 // reader 6304 synchronized (mPackages) { 6305 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6306 final int userId = UserHandle.getCallingUserId(); 6307 while (i.hasNext()) { 6308 final PackageParser.Package p = i.next(); 6309 if (p.applicationInfo == null) continue; 6310 6311 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6312 && !p.applicationInfo.isDirectBootAware(); 6313 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6314 && p.applicationInfo.isDirectBootAware(); 6315 6316 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6317 && (!mSafeMode || isSystemApp(p)) 6318 && (matchesUnaware || matchesAware)) { 6319 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6320 if (ps != null) { 6321 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6322 ps.readUserState(userId), userId); 6323 if (ai != null) { 6324 finalList.add(ai); 6325 } 6326 } 6327 } 6328 } 6329 } 6330 6331 return finalList; 6332 } 6333 6334 @Override 6335 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6336 if (!sUserManager.exists(userId)) return null; 6337 flags = updateFlagsForComponent(flags, userId, name); 6338 // reader 6339 synchronized (mPackages) { 6340 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6341 PackageSetting ps = provider != null 6342 ? mSettings.mPackages.get(provider.owner.packageName) 6343 : null; 6344 return ps != null 6345 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6346 ? PackageParser.generateProviderInfo(provider, flags, 6347 ps.readUserState(userId), userId) 6348 : null; 6349 } 6350 } 6351 6352 /** 6353 * @deprecated 6354 */ 6355 @Deprecated 6356 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6357 // reader 6358 synchronized (mPackages) { 6359 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6360 .entrySet().iterator(); 6361 final int userId = UserHandle.getCallingUserId(); 6362 while (i.hasNext()) { 6363 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6364 PackageParser.Provider p = entry.getValue(); 6365 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6366 6367 if (ps != null && p.syncable 6368 && (!mSafeMode || (p.info.applicationInfo.flags 6369 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6370 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6371 ps.readUserState(userId), userId); 6372 if (info != null) { 6373 outNames.add(entry.getKey()); 6374 outInfo.add(info); 6375 } 6376 } 6377 } 6378 } 6379 } 6380 6381 @Override 6382 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6383 int uid, int flags) { 6384 final int userId = processName != null ? UserHandle.getUserId(uid) 6385 : UserHandle.getCallingUserId(); 6386 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6387 flags = updateFlagsForComponent(flags, userId, processName); 6388 6389 ArrayList<ProviderInfo> finalList = null; 6390 // reader 6391 synchronized (mPackages) { 6392 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6393 while (i.hasNext()) { 6394 final PackageParser.Provider p = i.next(); 6395 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6396 if (ps != null && p.info.authority != null 6397 && (processName == null 6398 || (p.info.processName.equals(processName) 6399 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6400 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6401 if (finalList == null) { 6402 finalList = new ArrayList<ProviderInfo>(3); 6403 } 6404 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6405 ps.readUserState(userId), userId); 6406 if (info != null) { 6407 finalList.add(info); 6408 } 6409 } 6410 } 6411 } 6412 6413 if (finalList != null) { 6414 Collections.sort(finalList, mProviderInitOrderSorter); 6415 return new ParceledListSlice<ProviderInfo>(finalList); 6416 } 6417 6418 return ParceledListSlice.emptyList(); 6419 } 6420 6421 @Override 6422 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6423 // reader 6424 synchronized (mPackages) { 6425 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6426 return PackageParser.generateInstrumentationInfo(i, flags); 6427 } 6428 } 6429 6430 @Override 6431 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6432 String targetPackage, int flags) { 6433 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6434 } 6435 6436 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6437 int flags) { 6438 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6439 6440 // reader 6441 synchronized (mPackages) { 6442 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6443 while (i.hasNext()) { 6444 final PackageParser.Instrumentation p = i.next(); 6445 if (targetPackage == null 6446 || targetPackage.equals(p.info.targetPackage)) { 6447 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6448 flags); 6449 if (ii != null) { 6450 finalList.add(ii); 6451 } 6452 } 6453 } 6454 } 6455 6456 return finalList; 6457 } 6458 6459 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6460 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6461 if (overlays == null) { 6462 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6463 return; 6464 } 6465 for (PackageParser.Package opkg : overlays.values()) { 6466 // Not much to do if idmap fails: we already logged the error 6467 // and we certainly don't want to abort installation of pkg simply 6468 // because an overlay didn't fit properly. For these reasons, 6469 // ignore the return value of createIdmapForPackagePairLI. 6470 createIdmapForPackagePairLI(pkg, opkg); 6471 } 6472 } 6473 6474 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6475 PackageParser.Package opkg) { 6476 if (!opkg.mTrustedOverlay) { 6477 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6478 opkg.baseCodePath + ": overlay not trusted"); 6479 return false; 6480 } 6481 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6482 if (overlaySet == null) { 6483 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6484 opkg.baseCodePath + " but target package has no known overlays"); 6485 return false; 6486 } 6487 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6488 // TODO: generate idmap for split APKs 6489 try { 6490 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6491 } catch (InstallerException e) { 6492 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6493 + opkg.baseCodePath); 6494 return false; 6495 } 6496 PackageParser.Package[] overlayArray = 6497 overlaySet.values().toArray(new PackageParser.Package[0]); 6498 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6499 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6500 return p1.mOverlayPriority - p2.mOverlayPriority; 6501 } 6502 }; 6503 Arrays.sort(overlayArray, cmp); 6504 6505 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6506 int i = 0; 6507 for (PackageParser.Package p : overlayArray) { 6508 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6509 } 6510 return true; 6511 } 6512 6513 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6514 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6515 try { 6516 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6517 } finally { 6518 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6519 } 6520 } 6521 6522 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6523 final File[] files = dir.listFiles(); 6524 if (ArrayUtils.isEmpty(files)) { 6525 Log.d(TAG, "No files in app dir " + dir); 6526 return; 6527 } 6528 6529 if (DEBUG_PACKAGE_SCANNING) { 6530 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6531 + " flags=0x" + Integer.toHexString(parseFlags)); 6532 } 6533 6534 for (File file : files) { 6535 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6536 && !PackageInstallerService.isStageName(file.getName()); 6537 if (!isPackage) { 6538 // Ignore entries which are not packages 6539 continue; 6540 } 6541 try { 6542 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6543 scanFlags, currentTime, null); 6544 } catch (PackageManagerException e) { 6545 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6546 6547 // Delete invalid userdata apps 6548 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6549 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6550 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6551 removeCodePathLI(file); 6552 } 6553 } 6554 } 6555 } 6556 6557 private static File getSettingsProblemFile() { 6558 File dataDir = Environment.getDataDirectory(); 6559 File systemDir = new File(dataDir, "system"); 6560 File fname = new File(systemDir, "uiderrors.txt"); 6561 return fname; 6562 } 6563 6564 static void reportSettingsProblem(int priority, String msg) { 6565 logCriticalInfo(priority, msg); 6566 } 6567 6568 static void logCriticalInfo(int priority, String msg) { 6569 Slog.println(priority, TAG, msg); 6570 EventLogTags.writePmCriticalInfo(msg); 6571 try { 6572 File fname = getSettingsProblemFile(); 6573 FileOutputStream out = new FileOutputStream(fname, true); 6574 PrintWriter pw = new FastPrintWriter(out); 6575 SimpleDateFormat formatter = new SimpleDateFormat(); 6576 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6577 pw.println(dateString + ": " + msg); 6578 pw.close(); 6579 FileUtils.setPermissions( 6580 fname.toString(), 6581 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6582 -1, -1); 6583 } catch (java.io.IOException e) { 6584 } 6585 } 6586 6587 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6588 final int policyFlags) throws PackageManagerException { 6589 if (ps != null 6590 && ps.codePath.equals(srcFile) 6591 && ps.timeStamp == srcFile.lastModified() 6592 && !isCompatSignatureUpdateNeeded(pkg) 6593 && !isRecoverSignatureUpdateNeeded(pkg)) { 6594 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6595 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6596 ArraySet<PublicKey> signingKs; 6597 synchronized (mPackages) { 6598 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6599 } 6600 if (ps.signatures.mSignatures != null 6601 && ps.signatures.mSignatures.length != 0 6602 && signingKs != null) { 6603 // Optimization: reuse the existing cached certificates 6604 // if the package appears to be unchanged. 6605 pkg.mSignatures = ps.signatures.mSignatures; 6606 pkg.mSigningKeys = signingKs; 6607 return; 6608 } 6609 6610 Slog.w(TAG, "PackageSetting for " + ps.name 6611 + " is missing signatures. Collecting certs again to recover them."); 6612 } else { 6613 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6614 } 6615 6616 try { 6617 PackageParser.collectCertificates(pkg, policyFlags); 6618 } catch (PackageParserException e) { 6619 throw PackageManagerException.from(e); 6620 } 6621 } 6622 6623 /** 6624 * Traces a package scan. 6625 * @see #scanPackageLI(File, int, int, long, UserHandle) 6626 */ 6627 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6628 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6629 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6630 try { 6631 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6632 } finally { 6633 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6634 } 6635 } 6636 6637 /** 6638 * Scans a package and returns the newly parsed package. 6639 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6640 */ 6641 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6642 long currentTime, UserHandle user) throws PackageManagerException { 6643 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6644 PackageParser pp = new PackageParser(); 6645 pp.setSeparateProcesses(mSeparateProcesses); 6646 pp.setOnlyCoreApps(mOnlyCore); 6647 pp.setDisplayMetrics(mMetrics); 6648 6649 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6650 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6651 } 6652 6653 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6654 final PackageParser.Package pkg; 6655 try { 6656 pkg = pp.parsePackage(scanFile, parseFlags); 6657 } catch (PackageParserException e) { 6658 throw PackageManagerException.from(e); 6659 } finally { 6660 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6661 } 6662 6663 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6664 } 6665 6666 /** 6667 * Scans a package and returns the newly parsed package. 6668 * @throws PackageManagerException on a parse error. 6669 */ 6670 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6671 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6672 throws PackageManagerException { 6673 // If the package has children and this is the first dive in the function 6674 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6675 // packages (parent and children) would be successfully scanned before the 6676 // actual scan since scanning mutates internal state and we want to atomically 6677 // install the package and its children. 6678 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6679 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6680 scanFlags |= SCAN_CHECK_ONLY; 6681 } 6682 } else { 6683 scanFlags &= ~SCAN_CHECK_ONLY; 6684 } 6685 6686 // Scan the parent 6687 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6688 scanFlags, currentTime, user); 6689 6690 // Scan the children 6691 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6692 for (int i = 0; i < childCount; i++) { 6693 PackageParser.Package childPackage = pkg.childPackages.get(i); 6694 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6695 currentTime, user); 6696 } 6697 6698 6699 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6700 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6701 } 6702 6703 return scannedPkg; 6704 } 6705 6706 /** 6707 * Scans a package and returns the newly parsed package. 6708 * @throws PackageManagerException on a parse error. 6709 */ 6710 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6711 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6712 throws PackageManagerException { 6713 PackageSetting ps = null; 6714 PackageSetting updatedPkg; 6715 // reader 6716 synchronized (mPackages) { 6717 // Look to see if we already know about this package. 6718 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6719 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6720 // This package has been renamed to its original name. Let's 6721 // use that. 6722 ps = mSettings.peekPackageLPr(oldName); 6723 } 6724 // If there was no original package, see one for the real package name. 6725 if (ps == null) { 6726 ps = mSettings.peekPackageLPr(pkg.packageName); 6727 } 6728 // Check to see if this package could be hiding/updating a system 6729 // package. Must look for it either under the original or real 6730 // package name depending on our state. 6731 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6732 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6733 6734 // If this is a package we don't know about on the system partition, we 6735 // may need to remove disabled child packages on the system partition 6736 // or may need to not add child packages if the parent apk is updated 6737 // on the data partition and no longer defines this child package. 6738 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6739 // If this is a parent package for an updated system app and this system 6740 // app got an OTA update which no longer defines some of the child packages 6741 // we have to prune them from the disabled system packages. 6742 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6743 if (disabledPs != null) { 6744 final int scannedChildCount = (pkg.childPackages != null) 6745 ? pkg.childPackages.size() : 0; 6746 final int disabledChildCount = disabledPs.childPackageNames != null 6747 ? disabledPs.childPackageNames.size() : 0; 6748 for (int i = 0; i < disabledChildCount; i++) { 6749 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6750 boolean disabledPackageAvailable = false; 6751 for (int j = 0; j < scannedChildCount; j++) { 6752 PackageParser.Package childPkg = pkg.childPackages.get(j); 6753 if (childPkg.packageName.equals(disabledChildPackageName)) { 6754 disabledPackageAvailable = true; 6755 break; 6756 } 6757 } 6758 if (!disabledPackageAvailable) { 6759 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6760 } 6761 } 6762 } 6763 } 6764 } 6765 6766 boolean updatedPkgBetter = false; 6767 // First check if this is a system package that may involve an update 6768 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6769 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6770 // it needs to drop FLAG_PRIVILEGED. 6771 if (locationIsPrivileged(scanFile)) { 6772 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6773 } else { 6774 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6775 } 6776 6777 if (ps != null && !ps.codePath.equals(scanFile)) { 6778 // The path has changed from what was last scanned... check the 6779 // version of the new path against what we have stored to determine 6780 // what to do. 6781 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6782 if (pkg.mVersionCode <= ps.versionCode) { 6783 // The system package has been updated and the code path does not match 6784 // Ignore entry. Skip it. 6785 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6786 + " ignored: updated version " + ps.versionCode 6787 + " better than this " + pkg.mVersionCode); 6788 if (!updatedPkg.codePath.equals(scanFile)) { 6789 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6790 + ps.name + " changing from " + updatedPkg.codePathString 6791 + " to " + scanFile); 6792 updatedPkg.codePath = scanFile; 6793 updatedPkg.codePathString = scanFile.toString(); 6794 updatedPkg.resourcePath = scanFile; 6795 updatedPkg.resourcePathString = scanFile.toString(); 6796 } 6797 updatedPkg.pkg = pkg; 6798 updatedPkg.versionCode = pkg.mVersionCode; 6799 6800 // Update the disabled system child packages to point to the package too. 6801 final int childCount = updatedPkg.childPackageNames != null 6802 ? updatedPkg.childPackageNames.size() : 0; 6803 for (int i = 0; i < childCount; i++) { 6804 String childPackageName = updatedPkg.childPackageNames.get(i); 6805 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6806 childPackageName); 6807 if (updatedChildPkg != null) { 6808 updatedChildPkg.pkg = pkg; 6809 updatedChildPkg.versionCode = pkg.mVersionCode; 6810 } 6811 } 6812 6813 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6814 + scanFile + " ignored: updated version " + ps.versionCode 6815 + " better than this " + pkg.mVersionCode); 6816 } else { 6817 // The current app on the system partition is better than 6818 // what we have updated to on the data partition; switch 6819 // back to the system partition version. 6820 // At this point, its safely assumed that package installation for 6821 // apps in system partition will go through. If not there won't be a working 6822 // version of the app 6823 // writer 6824 synchronized (mPackages) { 6825 // Just remove the loaded entries from package lists. 6826 mPackages.remove(ps.name); 6827 } 6828 6829 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6830 + " reverting from " + ps.codePathString 6831 + ": new version " + pkg.mVersionCode 6832 + " better than installed " + ps.versionCode); 6833 6834 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6835 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6836 synchronized (mInstallLock) { 6837 args.cleanUpResourcesLI(); 6838 } 6839 synchronized (mPackages) { 6840 mSettings.enableSystemPackageLPw(ps.name); 6841 } 6842 updatedPkgBetter = true; 6843 } 6844 } 6845 } 6846 6847 if (updatedPkg != null) { 6848 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6849 // initially 6850 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6851 6852 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6853 // flag set initially 6854 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6855 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6856 } 6857 } 6858 6859 // Verify certificates against what was last scanned 6860 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6861 6862 /* 6863 * A new system app appeared, but we already had a non-system one of the 6864 * same name installed earlier. 6865 */ 6866 boolean shouldHideSystemApp = false; 6867 if (updatedPkg == null && ps != null 6868 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6869 /* 6870 * Check to make sure the signatures match first. If they don't, 6871 * wipe the installed application and its data. 6872 */ 6873 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6874 != PackageManager.SIGNATURE_MATCH) { 6875 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6876 + " signatures don't match existing userdata copy; removing"); 6877 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6878 "scanPackageInternalLI")) { 6879 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6880 } 6881 ps = null; 6882 } else { 6883 /* 6884 * If the newly-added system app is an older version than the 6885 * already installed version, hide it. It will be scanned later 6886 * and re-added like an update. 6887 */ 6888 if (pkg.mVersionCode <= ps.versionCode) { 6889 shouldHideSystemApp = true; 6890 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6891 + " but new version " + pkg.mVersionCode + " better than installed " 6892 + ps.versionCode + "; hiding system"); 6893 } else { 6894 /* 6895 * The newly found system app is a newer version that the 6896 * one previously installed. Simply remove the 6897 * already-installed application and replace it with our own 6898 * while keeping the application data. 6899 */ 6900 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6901 + " reverting from " + ps.codePathString + ": new version " 6902 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6903 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6904 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6905 synchronized (mInstallLock) { 6906 args.cleanUpResourcesLI(); 6907 } 6908 } 6909 } 6910 } 6911 6912 // The apk is forward locked (not public) if its code and resources 6913 // are kept in different files. (except for app in either system or 6914 // vendor path). 6915 // TODO grab this value from PackageSettings 6916 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6917 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6918 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6919 } 6920 } 6921 6922 // TODO: extend to support forward-locked splits 6923 String resourcePath = null; 6924 String baseResourcePath = null; 6925 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6926 if (ps != null && ps.resourcePathString != null) { 6927 resourcePath = ps.resourcePathString; 6928 baseResourcePath = ps.resourcePathString; 6929 } else { 6930 // Should not happen at all. Just log an error. 6931 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6932 } 6933 } else { 6934 resourcePath = pkg.codePath; 6935 baseResourcePath = pkg.baseCodePath; 6936 } 6937 6938 // Set application objects path explicitly. 6939 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6940 pkg.setApplicationInfoCodePath(pkg.codePath); 6941 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6942 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6943 pkg.setApplicationInfoResourcePath(resourcePath); 6944 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6945 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6946 6947 // Note that we invoke the following method only if we are about to unpack an application 6948 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 6949 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6950 6951 /* 6952 * If the system app should be overridden by a previously installed 6953 * data, hide the system app now and let the /data/app scan pick it up 6954 * again. 6955 */ 6956 if (shouldHideSystemApp) { 6957 synchronized (mPackages) { 6958 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6959 } 6960 } 6961 6962 return scannedPkg; 6963 } 6964 6965 private static String fixProcessName(String defProcessName, 6966 String processName, int uid) { 6967 if (processName == null) { 6968 return defProcessName; 6969 } 6970 return processName; 6971 } 6972 6973 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6974 throws PackageManagerException { 6975 if (pkgSetting.signatures.mSignatures != null) { 6976 // Already existing package. Make sure signatures match 6977 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6978 == PackageManager.SIGNATURE_MATCH; 6979 if (!match) { 6980 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6981 == PackageManager.SIGNATURE_MATCH; 6982 } 6983 if (!match) { 6984 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6985 == PackageManager.SIGNATURE_MATCH; 6986 } 6987 if (!match) { 6988 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6989 + pkg.packageName + " signatures do not match the " 6990 + "previously installed version; ignoring!"); 6991 } 6992 } 6993 6994 // Check for shared user signatures 6995 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6996 // Already existing package. Make sure signatures match 6997 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6998 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6999 if (!match) { 7000 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7001 == PackageManager.SIGNATURE_MATCH; 7002 } 7003 if (!match) { 7004 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7005 == PackageManager.SIGNATURE_MATCH; 7006 } 7007 if (!match) { 7008 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7009 "Package " + pkg.packageName 7010 + " has no signatures that match those in shared user " 7011 + pkgSetting.sharedUser.name + "; ignoring!"); 7012 } 7013 } 7014 } 7015 7016 /** 7017 * Enforces that only the system UID or root's UID can call a method exposed 7018 * via Binder. 7019 * 7020 * @param message used as message if SecurityException is thrown 7021 * @throws SecurityException if the caller is not system or root 7022 */ 7023 private static final void enforceSystemOrRoot(String message) { 7024 final int uid = Binder.getCallingUid(); 7025 if (uid != Process.SYSTEM_UID && uid != 0) { 7026 throw new SecurityException(message); 7027 } 7028 } 7029 7030 @Override 7031 public void performFstrimIfNeeded() { 7032 enforceSystemOrRoot("Only the system can request fstrim"); 7033 7034 // Before everything else, see whether we need to fstrim. 7035 try { 7036 IMountService ms = PackageHelper.getMountService(); 7037 if (ms != null) { 7038 final boolean isUpgrade = isUpgrade(); 7039 boolean doTrim = isUpgrade; 7040 if (doTrim) { 7041 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7042 } else { 7043 final long interval = android.provider.Settings.Global.getLong( 7044 mContext.getContentResolver(), 7045 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7046 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7047 if (interval > 0) { 7048 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7049 if (timeSinceLast > interval) { 7050 doTrim = true; 7051 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7052 + "; running immediately"); 7053 } 7054 } 7055 } 7056 if (doTrim) { 7057 if (!isFirstBoot()) { 7058 try { 7059 ActivityManagerNative.getDefault().showBootMessage( 7060 mContext.getResources().getString( 7061 R.string.android_upgrading_fstrim), true); 7062 } catch (RemoteException e) { 7063 } 7064 } 7065 ms.runMaintenance(); 7066 } 7067 } else { 7068 Slog.e(TAG, "Mount service unavailable!"); 7069 } 7070 } catch (RemoteException e) { 7071 // Can't happen; MountService is local 7072 } 7073 } 7074 7075 @Override 7076 public void updatePackagesIfNeeded() { 7077 enforceSystemOrRoot("Only the system can request package update"); 7078 7079 // We need to re-extract after an OTA. 7080 boolean causeUpgrade = isUpgrade(); 7081 7082 // First boot or factory reset. 7083 // Note: we also handle devices that are upgrading to N right now as if it is their 7084 // first boot, as they do not have profile data. 7085 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7086 7087 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7088 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7089 7090 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7091 return; 7092 } 7093 7094 List<PackageParser.Package> pkgs; 7095 synchronized (mPackages) { 7096 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7097 } 7098 7099 int curr = 0; 7100 int total = pkgs.size(); 7101 for (PackageParser.Package pkg : pkgs) { 7102 curr++; 7103 7104 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7105 if (DEBUG_DEXOPT) { 7106 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7107 } 7108 continue; 7109 } 7110 7111 if (DEBUG_DEXOPT) { 7112 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7113 } 7114 7115 if (!isFirstBoot()) { 7116 try { 7117 ActivityManagerNative.getDefault().showBootMessage( 7118 mContext.getResources().getString(R.string.android_upgrading_apk, 7119 curr, total), true); 7120 } catch (RemoteException e) { 7121 } 7122 } 7123 7124 performDexOpt(pkg.packageName, 7125 null /* instructionSet */, 7126 false /* checkProfiles */, 7127 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7128 false /* force */); 7129 } 7130 } 7131 7132 @Override 7133 public void notifyPackageUse(String packageName) { 7134 synchronized (mPackages) { 7135 PackageParser.Package p = mPackages.get(packageName); 7136 if (p == null) { 7137 return; 7138 } 7139 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 7140 } 7141 } 7142 7143 // TODO: this is not used nor needed. Delete it. 7144 @Override 7145 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7146 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7147 getFullCompilerFilter(), false /* force */); 7148 } 7149 7150 @Override 7151 public boolean performDexOpt(String packageName, String instructionSet, 7152 boolean checkProfiles, int compileReason, boolean force) { 7153 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7154 getCompilerFilterForReason(compileReason), force); 7155 } 7156 7157 @Override 7158 public boolean performDexOptMode(String packageName, String instructionSet, 7159 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7160 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7161 targetCompilerFilter, force); 7162 } 7163 7164 private boolean performDexOptTraced(String packageName, String instructionSet, 7165 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7166 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7167 try { 7168 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7169 targetCompilerFilter, force); 7170 } finally { 7171 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7172 } 7173 } 7174 7175 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7176 // if the package can now be considered up to date for the given filter. 7177 private boolean performDexOptInternal(String packageName, String instructionSet, 7178 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7179 PackageParser.Package p; 7180 final String targetInstructionSet; 7181 synchronized (mPackages) { 7182 p = mPackages.get(packageName); 7183 if (p == null) { 7184 return false; 7185 } 7186 mPackageUsage.write(false); 7187 7188 targetInstructionSet = instructionSet != null ? instructionSet : 7189 getPrimaryInstructionSet(p.applicationInfo); 7190 } 7191 long callingId = Binder.clearCallingIdentity(); 7192 try { 7193 synchronized (mInstallLock) { 7194 final String[] instructionSets = new String[] { targetInstructionSet }; 7195 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7196 checkProfiles, targetCompilerFilter, force); 7197 return result != PackageDexOptimizer.DEX_OPT_FAILED; 7198 } 7199 } finally { 7200 Binder.restoreCallingIdentity(callingId); 7201 } 7202 } 7203 7204 public ArraySet<String> getOptimizablePackages() { 7205 ArraySet<String> pkgs = new ArraySet<String>(); 7206 synchronized (mPackages) { 7207 for (PackageParser.Package p : mPackages.values()) { 7208 if (PackageDexOptimizer.canOptimizePackage(p)) { 7209 pkgs.add(p.packageName); 7210 } 7211 } 7212 } 7213 return pkgs; 7214 } 7215 7216 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7217 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7218 boolean force) { 7219 // Select the dex optimizer based on the force parameter. 7220 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7221 // allocate an object here. 7222 PackageDexOptimizer pdo = force 7223 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7224 : mPackageDexOptimizer; 7225 7226 // Optimize all dependencies first. Note: we ignore the return value and march on 7227 // on errors. 7228 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7229 if (!deps.isEmpty()) { 7230 for (PackageParser.Package depPackage : deps) { 7231 // TODO: Analyze and investigate if we (should) profile libraries. 7232 // Currently this will do a full compilation of the library by default. 7233 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7234 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7235 } 7236 } 7237 7238 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7239 } 7240 7241 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7242 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7243 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7244 Set<String> collectedNames = new HashSet<>(); 7245 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7246 7247 retValue.remove(p); 7248 7249 return retValue; 7250 } else { 7251 return Collections.emptyList(); 7252 } 7253 } 7254 7255 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7256 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7257 if (!collectedNames.contains(p.packageName)) { 7258 collectedNames.add(p.packageName); 7259 collected.add(p); 7260 7261 if (p.usesLibraries != null) { 7262 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7263 } 7264 if (p.usesOptionalLibraries != null) { 7265 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7266 collectedNames); 7267 } 7268 } 7269 } 7270 7271 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7272 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7273 for (String libName : libs) { 7274 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7275 if (libPkg != null) { 7276 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7277 } 7278 } 7279 } 7280 7281 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7282 synchronized (mPackages) { 7283 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7284 if (lib != null && lib.apk != null) { 7285 return mPackages.get(lib.apk); 7286 } 7287 } 7288 return null; 7289 } 7290 7291 public void shutdown() { 7292 mPackageUsage.write(true); 7293 } 7294 7295 @Override 7296 public void forceDexOpt(String packageName) { 7297 enforceSystemOrRoot("forceDexOpt"); 7298 7299 PackageParser.Package pkg; 7300 synchronized (mPackages) { 7301 pkg = mPackages.get(packageName); 7302 if (pkg == null) { 7303 throw new IllegalArgumentException("Unknown package: " + packageName); 7304 } 7305 } 7306 7307 synchronized (mInstallLock) { 7308 final String[] instructionSets = new String[] { 7309 getPrimaryInstructionSet(pkg.applicationInfo) }; 7310 7311 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7312 7313 // Whoever is calling forceDexOpt wants a fully compiled package. 7314 // Don't use profiles since that may cause compilation to be skipped. 7315 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7316 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7317 true /* force */); 7318 7319 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7320 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7321 throw new IllegalStateException("Failed to dexopt: " + res); 7322 } 7323 } 7324 } 7325 7326 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7327 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7328 Slog.w(TAG, "Unable to update from " + oldPkg.name 7329 + " to " + newPkg.packageName 7330 + ": old package not in system partition"); 7331 return false; 7332 } else if (mPackages.get(oldPkg.name) != null) { 7333 Slog.w(TAG, "Unable to update from " + oldPkg.name 7334 + " to " + newPkg.packageName 7335 + ": old package still exists"); 7336 return false; 7337 } 7338 return true; 7339 } 7340 7341 void removeCodePathLI(File codePath) { 7342 if (codePath.isDirectory()) { 7343 try { 7344 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7345 } catch (InstallerException e) { 7346 Slog.w(TAG, "Failed to remove code path", e); 7347 } 7348 } else { 7349 codePath.delete(); 7350 } 7351 } 7352 7353 private int[] resolveUserIds(int userId) { 7354 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7355 } 7356 7357 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7358 if (pkg == null) { 7359 Slog.wtf(TAG, "Package was null!", new Throwable()); 7360 return; 7361 } 7362 clearAppDataLeafLIF(pkg, userId, flags); 7363 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7364 for (int i = 0; i < childCount; i++) { 7365 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7366 } 7367 } 7368 7369 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7370 final PackageSetting ps; 7371 synchronized (mPackages) { 7372 ps = mSettings.mPackages.get(pkg.packageName); 7373 } 7374 for (int realUserId : resolveUserIds(userId)) { 7375 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7376 try { 7377 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7378 ceDataInode); 7379 } catch (InstallerException e) { 7380 Slog.w(TAG, String.valueOf(e)); 7381 } 7382 } 7383 } 7384 7385 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7386 if (pkg == null) { 7387 Slog.wtf(TAG, "Package was null!", new Throwable()); 7388 return; 7389 } 7390 destroyAppDataLeafLIF(pkg, userId, flags); 7391 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7392 for (int i = 0; i < childCount; i++) { 7393 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7394 } 7395 } 7396 7397 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7398 final PackageSetting ps; 7399 synchronized (mPackages) { 7400 ps = mSettings.mPackages.get(pkg.packageName); 7401 } 7402 for (int realUserId : resolveUserIds(userId)) { 7403 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7404 try { 7405 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7406 ceDataInode); 7407 } catch (InstallerException e) { 7408 Slog.w(TAG, String.valueOf(e)); 7409 } 7410 } 7411 } 7412 7413 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7414 if (pkg == null) { 7415 Slog.wtf(TAG, "Package was null!", new Throwable()); 7416 return; 7417 } 7418 destroyAppProfilesLeafLIF(pkg); 7419 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7420 for (int i = 0; i < childCount; i++) { 7421 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7422 } 7423 } 7424 7425 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7426 try { 7427 mInstaller.destroyAppProfiles(pkg.packageName); 7428 } catch (InstallerException e) { 7429 Slog.w(TAG, String.valueOf(e)); 7430 } 7431 } 7432 7433 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7434 if (pkg == null) { 7435 Slog.wtf(TAG, "Package was null!", new Throwable()); 7436 return; 7437 } 7438 clearAppProfilesLeafLIF(pkg); 7439 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7440 for (int i = 0; i < childCount; i++) { 7441 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7442 } 7443 } 7444 7445 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7446 try { 7447 mInstaller.clearAppProfiles(pkg.packageName); 7448 } catch (InstallerException e) { 7449 Slog.w(TAG, String.valueOf(e)); 7450 } 7451 } 7452 7453 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7454 long lastUpdateTime) { 7455 // Set parent install/update time 7456 PackageSetting ps = (PackageSetting) pkg.mExtras; 7457 if (ps != null) { 7458 ps.firstInstallTime = firstInstallTime; 7459 ps.lastUpdateTime = lastUpdateTime; 7460 } 7461 // Set children install/update time 7462 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7463 for (int i = 0; i < childCount; i++) { 7464 PackageParser.Package childPkg = pkg.childPackages.get(i); 7465 ps = (PackageSetting) childPkg.mExtras; 7466 if (ps != null) { 7467 ps.firstInstallTime = firstInstallTime; 7468 ps.lastUpdateTime = lastUpdateTime; 7469 } 7470 } 7471 } 7472 7473 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7474 PackageParser.Package changingLib) { 7475 if (file.path != null) { 7476 usesLibraryFiles.add(file.path); 7477 return; 7478 } 7479 PackageParser.Package p = mPackages.get(file.apk); 7480 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7481 // If we are doing this while in the middle of updating a library apk, 7482 // then we need to make sure to use that new apk for determining the 7483 // dependencies here. (We haven't yet finished committing the new apk 7484 // to the package manager state.) 7485 if (p == null || p.packageName.equals(changingLib.packageName)) { 7486 p = changingLib; 7487 } 7488 } 7489 if (p != null) { 7490 usesLibraryFiles.addAll(p.getAllCodePaths()); 7491 } 7492 } 7493 7494 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7495 PackageParser.Package changingLib) throws PackageManagerException { 7496 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7497 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7498 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7499 for (int i=0; i<N; i++) { 7500 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7501 if (file == null) { 7502 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7503 "Package " + pkg.packageName + " requires unavailable shared library " 7504 + pkg.usesLibraries.get(i) + "; failing!"); 7505 } 7506 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7507 } 7508 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7509 for (int i=0; i<N; i++) { 7510 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7511 if (file == null) { 7512 Slog.w(TAG, "Package " + pkg.packageName 7513 + " desires unavailable shared library " 7514 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7515 } else { 7516 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7517 } 7518 } 7519 N = usesLibraryFiles.size(); 7520 if (N > 0) { 7521 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7522 } else { 7523 pkg.usesLibraryFiles = null; 7524 } 7525 } 7526 } 7527 7528 private static boolean hasString(List<String> list, List<String> which) { 7529 if (list == null) { 7530 return false; 7531 } 7532 for (int i=list.size()-1; i>=0; i--) { 7533 for (int j=which.size()-1; j>=0; j--) { 7534 if (which.get(j).equals(list.get(i))) { 7535 return true; 7536 } 7537 } 7538 } 7539 return false; 7540 } 7541 7542 private void updateAllSharedLibrariesLPw() { 7543 for (PackageParser.Package pkg : mPackages.values()) { 7544 try { 7545 updateSharedLibrariesLPw(pkg, null); 7546 } catch (PackageManagerException e) { 7547 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7548 } 7549 } 7550 } 7551 7552 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7553 PackageParser.Package changingPkg) { 7554 ArrayList<PackageParser.Package> res = null; 7555 for (PackageParser.Package pkg : mPackages.values()) { 7556 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7557 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7558 if (res == null) { 7559 res = new ArrayList<PackageParser.Package>(); 7560 } 7561 res.add(pkg); 7562 try { 7563 updateSharedLibrariesLPw(pkg, changingPkg); 7564 } catch (PackageManagerException e) { 7565 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7566 } 7567 } 7568 } 7569 return res; 7570 } 7571 7572 /** 7573 * Derive the value of the {@code cpuAbiOverride} based on the provided 7574 * value and an optional stored value from the package settings. 7575 */ 7576 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7577 String cpuAbiOverride = null; 7578 7579 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7580 cpuAbiOverride = null; 7581 } else if (abiOverride != null) { 7582 cpuAbiOverride = abiOverride; 7583 } else if (settings != null) { 7584 cpuAbiOverride = settings.cpuAbiOverrideString; 7585 } 7586 7587 return cpuAbiOverride; 7588 } 7589 7590 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7591 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7592 throws PackageManagerException { 7593 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7594 // If the package has children and this is the first dive in the function 7595 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7596 // whether all packages (parent and children) would be successfully scanned 7597 // before the actual scan since scanning mutates internal state and we want 7598 // to atomically install the package and its children. 7599 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7600 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7601 scanFlags |= SCAN_CHECK_ONLY; 7602 } 7603 } else { 7604 scanFlags &= ~SCAN_CHECK_ONLY; 7605 } 7606 7607 final PackageParser.Package scannedPkg; 7608 try { 7609 // Scan the parent 7610 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7611 // Scan the children 7612 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7613 for (int i = 0; i < childCount; i++) { 7614 PackageParser.Package childPkg = pkg.childPackages.get(i); 7615 scanPackageLI(childPkg, policyFlags, 7616 scanFlags, currentTime, user); 7617 } 7618 } finally { 7619 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7620 } 7621 7622 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7623 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7624 } 7625 7626 return scannedPkg; 7627 } 7628 7629 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7630 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7631 boolean success = false; 7632 try { 7633 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7634 currentTime, user); 7635 success = true; 7636 return res; 7637 } finally { 7638 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7639 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7640 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7641 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7642 destroyAppProfilesLIF(pkg); 7643 } 7644 } 7645 } 7646 7647 /** 7648 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7649 */ 7650 private static boolean apkHasCode(String fileName) { 7651 StrictJarFile jarFile = null; 7652 try { 7653 jarFile = new StrictJarFile(fileName, 7654 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7655 return jarFile.findEntry("classes.dex") != null; 7656 } catch (IOException ignore) { 7657 } finally { 7658 try { 7659 jarFile.close(); 7660 } catch (IOException ignore) {} 7661 } 7662 return false; 7663 } 7664 7665 /** 7666 * Enforces code policy for the package. This ensures that if an APK has 7667 * declared hasCode="true" in its manifest that the APK actually contains 7668 * code. 7669 * 7670 * @throws PackageManagerException If bytecode could not be found when it should exist 7671 */ 7672 private static void enforceCodePolicy(PackageParser.Package pkg) 7673 throws PackageManagerException { 7674 final boolean shouldHaveCode = 7675 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7676 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7677 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7678 "Package " + pkg.baseCodePath + " code is missing"); 7679 } 7680 7681 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7682 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7683 final boolean splitShouldHaveCode = 7684 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7685 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7686 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7687 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7688 } 7689 } 7690 } 7691 } 7692 7693 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7694 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7695 throws PackageManagerException { 7696 final File scanFile = new File(pkg.codePath); 7697 if (pkg.applicationInfo.getCodePath() == null || 7698 pkg.applicationInfo.getResourcePath() == null) { 7699 // Bail out. The resource and code paths haven't been set. 7700 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7701 "Code and resource paths haven't been set correctly"); 7702 } 7703 7704 // Apply policy 7705 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7706 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7707 if (pkg.applicationInfo.isDirectBootAware()) { 7708 // we're direct boot aware; set for all components 7709 for (PackageParser.Service s : pkg.services) { 7710 s.info.encryptionAware = s.info.directBootAware = true; 7711 } 7712 for (PackageParser.Provider p : pkg.providers) { 7713 p.info.encryptionAware = p.info.directBootAware = true; 7714 } 7715 for (PackageParser.Activity a : pkg.activities) { 7716 a.info.encryptionAware = a.info.directBootAware = true; 7717 } 7718 for (PackageParser.Activity r : pkg.receivers) { 7719 r.info.encryptionAware = r.info.directBootAware = true; 7720 } 7721 } 7722 } else { 7723 // Only allow system apps to be flagged as core apps. 7724 pkg.coreApp = false; 7725 // clear flags not applicable to regular apps 7726 pkg.applicationInfo.privateFlags &= 7727 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7728 pkg.applicationInfo.privateFlags &= 7729 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7730 } 7731 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7732 7733 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7734 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7735 } 7736 7737 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7738 enforceCodePolicy(pkg); 7739 } 7740 7741 if (mCustomResolverComponentName != null && 7742 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7743 setUpCustomResolverActivity(pkg); 7744 } 7745 7746 if (pkg.packageName.equals("android")) { 7747 synchronized (mPackages) { 7748 if (mAndroidApplication != null) { 7749 Slog.w(TAG, "*************************************************"); 7750 Slog.w(TAG, "Core android package being redefined. Skipping."); 7751 Slog.w(TAG, " file=" + scanFile); 7752 Slog.w(TAG, "*************************************************"); 7753 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7754 "Core android package being redefined. Skipping."); 7755 } 7756 7757 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7758 // Set up information for our fall-back user intent resolution activity. 7759 mPlatformPackage = pkg; 7760 pkg.mVersionCode = mSdkVersion; 7761 mAndroidApplication = pkg.applicationInfo; 7762 7763 if (!mResolverReplaced) { 7764 mResolveActivity.applicationInfo = mAndroidApplication; 7765 mResolveActivity.name = ResolverActivity.class.getName(); 7766 mResolveActivity.packageName = mAndroidApplication.packageName; 7767 mResolveActivity.processName = "system:ui"; 7768 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7769 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7770 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7771 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7772 mResolveActivity.exported = true; 7773 mResolveActivity.enabled = true; 7774 mResolveInfo.activityInfo = mResolveActivity; 7775 mResolveInfo.priority = 0; 7776 mResolveInfo.preferredOrder = 0; 7777 mResolveInfo.match = 0; 7778 mResolveComponentName = new ComponentName( 7779 mAndroidApplication.packageName, mResolveActivity.name); 7780 } 7781 } 7782 } 7783 } 7784 7785 if (DEBUG_PACKAGE_SCANNING) { 7786 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7787 Log.d(TAG, "Scanning package " + pkg.packageName); 7788 } 7789 7790 synchronized (mPackages) { 7791 if (mPackages.containsKey(pkg.packageName) 7792 || mSharedLibraries.containsKey(pkg.packageName)) { 7793 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7794 "Application package " + pkg.packageName 7795 + " already installed. Skipping duplicate."); 7796 } 7797 7798 // If we're only installing presumed-existing packages, require that the 7799 // scanned APK is both already known and at the path previously established 7800 // for it. Previously unknown packages we pick up normally, but if we have an 7801 // a priori expectation about this package's install presence, enforce it. 7802 // With a singular exception for new system packages. When an OTA contains 7803 // a new system package, we allow the codepath to change from a system location 7804 // to the user-installed location. If we don't allow this change, any newer, 7805 // user-installed version of the application will be ignored. 7806 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7807 if (mExpectingBetter.containsKey(pkg.packageName)) { 7808 logCriticalInfo(Log.WARN, 7809 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7810 } else { 7811 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7812 if (known != null) { 7813 if (DEBUG_PACKAGE_SCANNING) { 7814 Log.d(TAG, "Examining " + pkg.codePath 7815 + " and requiring known paths " + known.codePathString 7816 + " & " + known.resourcePathString); 7817 } 7818 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7819 || !pkg.applicationInfo.getResourcePath().equals( 7820 known.resourcePathString)) { 7821 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7822 "Application package " + pkg.packageName 7823 + " found at " + pkg.applicationInfo.getCodePath() 7824 + " but expected at " + known.codePathString 7825 + "; ignoring."); 7826 } 7827 } 7828 } 7829 } 7830 } 7831 7832 // Initialize package source and resource directories 7833 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7834 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7835 7836 SharedUserSetting suid = null; 7837 PackageSetting pkgSetting = null; 7838 7839 if (!isSystemApp(pkg)) { 7840 // Only system apps can use these features. 7841 pkg.mOriginalPackages = null; 7842 pkg.mRealPackage = null; 7843 pkg.mAdoptPermissions = null; 7844 } 7845 7846 // Getting the package setting may have a side-effect, so if we 7847 // are only checking if scan would succeed, stash a copy of the 7848 // old setting to restore at the end. 7849 PackageSetting nonMutatedPs = null; 7850 7851 // writer 7852 synchronized (mPackages) { 7853 if (pkg.mSharedUserId != null) { 7854 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7855 if (suid == null) { 7856 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7857 "Creating application package " + pkg.packageName 7858 + " for shared user failed"); 7859 } 7860 if (DEBUG_PACKAGE_SCANNING) { 7861 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7862 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7863 + "): packages=" + suid.packages); 7864 } 7865 } 7866 7867 // Check if we are renaming from an original package name. 7868 PackageSetting origPackage = null; 7869 String realName = null; 7870 if (pkg.mOriginalPackages != null) { 7871 // This package may need to be renamed to a previously 7872 // installed name. Let's check on that... 7873 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7874 if (pkg.mOriginalPackages.contains(renamed)) { 7875 // This package had originally been installed as the 7876 // original name, and we have already taken care of 7877 // transitioning to the new one. Just update the new 7878 // one to continue using the old name. 7879 realName = pkg.mRealPackage; 7880 if (!pkg.packageName.equals(renamed)) { 7881 // Callers into this function may have already taken 7882 // care of renaming the package; only do it here if 7883 // it is not already done. 7884 pkg.setPackageName(renamed); 7885 } 7886 7887 } else { 7888 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7889 if ((origPackage = mSettings.peekPackageLPr( 7890 pkg.mOriginalPackages.get(i))) != null) { 7891 // We do have the package already installed under its 7892 // original name... should we use it? 7893 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7894 // New package is not compatible with original. 7895 origPackage = null; 7896 continue; 7897 } else if (origPackage.sharedUser != null) { 7898 // Make sure uid is compatible between packages. 7899 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7900 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7901 + " to " + pkg.packageName + ": old uid " 7902 + origPackage.sharedUser.name 7903 + " differs from " + pkg.mSharedUserId); 7904 origPackage = null; 7905 continue; 7906 } 7907 // TODO: Add case when shared user id is added [b/28144775] 7908 } else { 7909 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7910 + pkg.packageName + " to old name " + origPackage.name); 7911 } 7912 break; 7913 } 7914 } 7915 } 7916 } 7917 7918 if (mTransferedPackages.contains(pkg.packageName)) { 7919 Slog.w(TAG, "Package " + pkg.packageName 7920 + " was transferred to another, but its .apk remains"); 7921 } 7922 7923 // See comments in nonMutatedPs declaration 7924 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7925 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7926 if (foundPs != null) { 7927 nonMutatedPs = new PackageSetting(foundPs); 7928 } 7929 } 7930 7931 // Just create the setting, don't add it yet. For already existing packages 7932 // the PkgSetting exists already and doesn't have to be created. 7933 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7934 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7935 pkg.applicationInfo.primaryCpuAbi, 7936 pkg.applicationInfo.secondaryCpuAbi, 7937 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7938 user, false); 7939 if (pkgSetting == null) { 7940 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7941 "Creating application package " + pkg.packageName + " failed"); 7942 } 7943 7944 if (pkgSetting.origPackage != null) { 7945 // If we are first transitioning from an original package, 7946 // fix up the new package's name now. We need to do this after 7947 // looking up the package under its new name, so getPackageLP 7948 // can take care of fiddling things correctly. 7949 pkg.setPackageName(origPackage.name); 7950 7951 // File a report about this. 7952 String msg = "New package " + pkgSetting.realName 7953 + " renamed to replace old package " + pkgSetting.name; 7954 reportSettingsProblem(Log.WARN, msg); 7955 7956 // Make a note of it. 7957 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7958 mTransferedPackages.add(origPackage.name); 7959 } 7960 7961 // No longer need to retain this. 7962 pkgSetting.origPackage = null; 7963 } 7964 7965 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7966 // Make a note of it. 7967 mTransferedPackages.add(pkg.packageName); 7968 } 7969 7970 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7971 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7972 } 7973 7974 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7975 // Check all shared libraries and map to their actual file path. 7976 // We only do this here for apps not on a system dir, because those 7977 // are the only ones that can fail an install due to this. We 7978 // will take care of the system apps by updating all of their 7979 // library paths after the scan is done. 7980 updateSharedLibrariesLPw(pkg, null); 7981 } 7982 7983 if (mFoundPolicyFile) { 7984 SELinuxMMAC.assignSeinfoValue(pkg); 7985 } 7986 7987 pkg.applicationInfo.uid = pkgSetting.appId; 7988 pkg.mExtras = pkgSetting; 7989 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7990 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7991 // We just determined the app is signed correctly, so bring 7992 // over the latest parsed certs. 7993 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7994 } else { 7995 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7996 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7997 "Package " + pkg.packageName + " upgrade keys do not match the " 7998 + "previously installed version"); 7999 } else { 8000 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8001 String msg = "System package " + pkg.packageName 8002 + " signature changed; retaining data."; 8003 reportSettingsProblem(Log.WARN, msg); 8004 } 8005 } 8006 } else { 8007 try { 8008 verifySignaturesLP(pkgSetting, pkg); 8009 // We just determined the app is signed correctly, so bring 8010 // over the latest parsed certs. 8011 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8012 } catch (PackageManagerException e) { 8013 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8014 throw e; 8015 } 8016 // The signature has changed, but this package is in the system 8017 // image... let's recover! 8018 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8019 // However... if this package is part of a shared user, but it 8020 // doesn't match the signature of the shared user, let's fail. 8021 // What this means is that you can't change the signatures 8022 // associated with an overall shared user, which doesn't seem all 8023 // that unreasonable. 8024 if (pkgSetting.sharedUser != null) { 8025 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8026 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8027 throw new PackageManagerException( 8028 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8029 "Signature mismatch for shared user: " 8030 + pkgSetting.sharedUser); 8031 } 8032 } 8033 // File a report about this. 8034 String msg = "System package " + pkg.packageName 8035 + " signature changed; retaining data."; 8036 reportSettingsProblem(Log.WARN, msg); 8037 } 8038 } 8039 // Verify that this new package doesn't have any content providers 8040 // that conflict with existing packages. Only do this if the 8041 // package isn't already installed, since we don't want to break 8042 // things that are installed. 8043 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8044 final int N = pkg.providers.size(); 8045 int i; 8046 for (i=0; i<N; i++) { 8047 PackageParser.Provider p = pkg.providers.get(i); 8048 if (p.info.authority != null) { 8049 String names[] = p.info.authority.split(";"); 8050 for (int j = 0; j < names.length; j++) { 8051 if (mProvidersByAuthority.containsKey(names[j])) { 8052 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8053 final String otherPackageName = 8054 ((other != null && other.getComponentName() != null) ? 8055 other.getComponentName().getPackageName() : "?"); 8056 throw new PackageManagerException( 8057 INSTALL_FAILED_CONFLICTING_PROVIDER, 8058 "Can't install because provider name " + names[j] 8059 + " (in package " + pkg.applicationInfo.packageName 8060 + ") is already used by " + otherPackageName); 8061 } 8062 } 8063 } 8064 } 8065 } 8066 8067 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8068 // This package wants to adopt ownership of permissions from 8069 // another package. 8070 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8071 final String origName = pkg.mAdoptPermissions.get(i); 8072 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8073 if (orig != null) { 8074 if (verifyPackageUpdateLPr(orig, pkg)) { 8075 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8076 + pkg.packageName); 8077 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8078 } 8079 } 8080 } 8081 } 8082 } 8083 8084 final String pkgName = pkg.packageName; 8085 8086 final long scanFileTime = scanFile.lastModified(); 8087 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8088 pkg.applicationInfo.processName = fixProcessName( 8089 pkg.applicationInfo.packageName, 8090 pkg.applicationInfo.processName, 8091 pkg.applicationInfo.uid); 8092 8093 if (pkg != mPlatformPackage) { 8094 // Get all of our default paths setup 8095 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8096 } 8097 8098 final String path = scanFile.getPath(); 8099 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8100 8101 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8102 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8103 8104 // Some system apps still use directory structure for native libraries 8105 // in which case we might end up not detecting abi solely based on apk 8106 // structure. Try to detect abi based on directory structure. 8107 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8108 pkg.applicationInfo.primaryCpuAbi == null) { 8109 setBundledAppAbisAndRoots(pkg, pkgSetting); 8110 setNativeLibraryPaths(pkg); 8111 } 8112 8113 } else { 8114 if ((scanFlags & SCAN_MOVE) != 0) { 8115 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8116 // but we already have this packages package info in the PackageSetting. We just 8117 // use that and derive the native library path based on the new codepath. 8118 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8119 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8120 } 8121 8122 // Set native library paths again. For moves, the path will be updated based on the 8123 // ABIs we've determined above. For non-moves, the path will be updated based on the 8124 // ABIs we determined during compilation, but the path will depend on the final 8125 // package path (after the rename away from the stage path). 8126 setNativeLibraryPaths(pkg); 8127 } 8128 8129 // This is a special case for the "system" package, where the ABI is 8130 // dictated by the zygote configuration (and init.rc). We should keep track 8131 // of this ABI so that we can deal with "normal" applications that run under 8132 // the same UID correctly. 8133 if (mPlatformPackage == pkg) { 8134 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8135 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8136 } 8137 8138 // If there's a mismatch between the abi-override in the package setting 8139 // and the abiOverride specified for the install. Warn about this because we 8140 // would've already compiled the app without taking the package setting into 8141 // account. 8142 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8143 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8144 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8145 " for package " + pkg.packageName); 8146 } 8147 } 8148 8149 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8150 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8151 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8152 8153 // Copy the derived override back to the parsed package, so that we can 8154 // update the package settings accordingly. 8155 pkg.cpuAbiOverride = cpuAbiOverride; 8156 8157 if (DEBUG_ABI_SELECTION) { 8158 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8159 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8160 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8161 } 8162 8163 // Push the derived path down into PackageSettings so we know what to 8164 // clean up at uninstall time. 8165 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8166 8167 if (DEBUG_ABI_SELECTION) { 8168 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8169 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8170 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8171 } 8172 8173 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8174 // We don't do this here during boot because we can do it all 8175 // at once after scanning all existing packages. 8176 // 8177 // We also do this *before* we perform dexopt on this package, so that 8178 // we can avoid redundant dexopts, and also to make sure we've got the 8179 // code and package path correct. 8180 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8181 pkg, true /* boot complete */); 8182 } 8183 8184 if (mFactoryTest && pkg.requestedPermissions.contains( 8185 android.Manifest.permission.FACTORY_TEST)) { 8186 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8187 } 8188 8189 ArrayList<PackageParser.Package> clientLibPkgs = null; 8190 8191 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8192 if (nonMutatedPs != null) { 8193 synchronized (mPackages) { 8194 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8195 } 8196 } 8197 return pkg; 8198 } 8199 8200 // Only privileged apps and updated privileged apps can add child packages. 8201 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8202 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8203 throw new PackageManagerException("Only privileged apps and updated " 8204 + "privileged apps can add child packages. Ignoring package " 8205 + pkg.packageName); 8206 } 8207 final int childCount = pkg.childPackages.size(); 8208 for (int i = 0; i < childCount; i++) { 8209 PackageParser.Package childPkg = pkg.childPackages.get(i); 8210 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8211 childPkg.packageName)) { 8212 throw new PackageManagerException("Cannot override a child package of " 8213 + "another disabled system app. Ignoring package " + pkg.packageName); 8214 } 8215 } 8216 } 8217 8218 // writer 8219 synchronized (mPackages) { 8220 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8221 // Only system apps can add new shared libraries. 8222 if (pkg.libraryNames != null) { 8223 for (int i=0; i<pkg.libraryNames.size(); i++) { 8224 String name = pkg.libraryNames.get(i); 8225 boolean allowed = false; 8226 if (pkg.isUpdatedSystemApp()) { 8227 // New library entries can only be added through the 8228 // system image. This is important to get rid of a lot 8229 // of nasty edge cases: for example if we allowed a non- 8230 // system update of the app to add a library, then uninstalling 8231 // the update would make the library go away, and assumptions 8232 // we made such as through app install filtering would now 8233 // have allowed apps on the device which aren't compatible 8234 // with it. Better to just have the restriction here, be 8235 // conservative, and create many fewer cases that can negatively 8236 // impact the user experience. 8237 final PackageSetting sysPs = mSettings 8238 .getDisabledSystemPkgLPr(pkg.packageName); 8239 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8240 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8241 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8242 allowed = true; 8243 break; 8244 } 8245 } 8246 } 8247 } else { 8248 allowed = true; 8249 } 8250 if (allowed) { 8251 if (!mSharedLibraries.containsKey(name)) { 8252 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8253 } else if (!name.equals(pkg.packageName)) { 8254 Slog.w(TAG, "Package " + pkg.packageName + " library " 8255 + name + " already exists; skipping"); 8256 } 8257 } else { 8258 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8259 + name + " that is not declared on system image; skipping"); 8260 } 8261 } 8262 if ((scanFlags & SCAN_BOOTING) == 0) { 8263 // If we are not booting, we need to update any applications 8264 // that are clients of our shared library. If we are booting, 8265 // this will all be done once the scan is complete. 8266 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8267 } 8268 } 8269 } 8270 } 8271 8272 if ((scanFlags & SCAN_BOOTING) != 0) { 8273 // No apps can run during boot scan, so they don't need to be frozen 8274 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8275 // Caller asked to not kill app, so it's probably not frozen 8276 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8277 // Caller asked us to ignore frozen check for some reason; they 8278 // probably didn't know the package name 8279 } else { 8280 // We're doing major surgery on this package, so it better be frozen 8281 // right now to keep it from launching 8282 checkPackageFrozen(pkgName); 8283 } 8284 8285 // Also need to kill any apps that are dependent on the library. 8286 if (clientLibPkgs != null) { 8287 for (int i=0; i<clientLibPkgs.size(); i++) { 8288 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8289 killApplication(clientPkg.applicationInfo.packageName, 8290 clientPkg.applicationInfo.uid, "update lib"); 8291 } 8292 } 8293 8294 // Make sure we're not adding any bogus keyset info 8295 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8296 ksms.assertScannedPackageValid(pkg); 8297 8298 // writer 8299 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8300 8301 boolean createIdmapFailed = false; 8302 synchronized (mPackages) { 8303 // We don't expect installation to fail beyond this point 8304 8305 // Add the new setting to mSettings 8306 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8307 // Add the new setting to mPackages 8308 mPackages.put(pkg.applicationInfo.packageName, pkg); 8309 // Make sure we don't accidentally delete its data. 8310 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8311 while (iter.hasNext()) { 8312 PackageCleanItem item = iter.next(); 8313 if (pkgName.equals(item.packageName)) { 8314 iter.remove(); 8315 } 8316 } 8317 8318 // Take care of first install / last update times. 8319 if (currentTime != 0) { 8320 if (pkgSetting.firstInstallTime == 0) { 8321 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8322 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8323 pkgSetting.lastUpdateTime = currentTime; 8324 } 8325 } else if (pkgSetting.firstInstallTime == 0) { 8326 // We need *something*. Take time time stamp of the file. 8327 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8328 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8329 if (scanFileTime != pkgSetting.timeStamp) { 8330 // A package on the system image has changed; consider this 8331 // to be an update. 8332 pkgSetting.lastUpdateTime = scanFileTime; 8333 } 8334 } 8335 8336 // Add the package's KeySets to the global KeySetManagerService 8337 ksms.addScannedPackageLPw(pkg); 8338 8339 int N = pkg.providers.size(); 8340 StringBuilder r = null; 8341 int i; 8342 for (i=0; i<N; i++) { 8343 PackageParser.Provider p = pkg.providers.get(i); 8344 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8345 p.info.processName, pkg.applicationInfo.uid); 8346 mProviders.addProvider(p); 8347 p.syncable = p.info.isSyncable; 8348 if (p.info.authority != null) { 8349 String names[] = p.info.authority.split(";"); 8350 p.info.authority = null; 8351 for (int j = 0; j < names.length; j++) { 8352 if (j == 1 && p.syncable) { 8353 // We only want the first authority for a provider to possibly be 8354 // syncable, so if we already added this provider using a different 8355 // authority clear the syncable flag. We copy the provider before 8356 // changing it because the mProviders object contains a reference 8357 // to a provider that we don't want to change. 8358 // Only do this for the second authority since the resulting provider 8359 // object can be the same for all future authorities for this provider. 8360 p = new PackageParser.Provider(p); 8361 p.syncable = false; 8362 } 8363 if (!mProvidersByAuthority.containsKey(names[j])) { 8364 mProvidersByAuthority.put(names[j], p); 8365 if (p.info.authority == null) { 8366 p.info.authority = names[j]; 8367 } else { 8368 p.info.authority = p.info.authority + ";" + names[j]; 8369 } 8370 if (DEBUG_PACKAGE_SCANNING) { 8371 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8372 Log.d(TAG, "Registered content provider: " + names[j] 8373 + ", className = " + p.info.name + ", isSyncable = " 8374 + p.info.isSyncable); 8375 } 8376 } else { 8377 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8378 Slog.w(TAG, "Skipping provider name " + names[j] + 8379 " (in package " + pkg.applicationInfo.packageName + 8380 "): name already used by " 8381 + ((other != null && other.getComponentName() != null) 8382 ? other.getComponentName().getPackageName() : "?")); 8383 } 8384 } 8385 } 8386 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8387 if (r == null) { 8388 r = new StringBuilder(256); 8389 } else { 8390 r.append(' '); 8391 } 8392 r.append(p.info.name); 8393 } 8394 } 8395 if (r != null) { 8396 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8397 } 8398 8399 N = pkg.services.size(); 8400 r = null; 8401 for (i=0; i<N; i++) { 8402 PackageParser.Service s = pkg.services.get(i); 8403 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8404 s.info.processName, pkg.applicationInfo.uid); 8405 mServices.addService(s); 8406 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8407 if (r == null) { 8408 r = new StringBuilder(256); 8409 } else { 8410 r.append(' '); 8411 } 8412 r.append(s.info.name); 8413 } 8414 } 8415 if (r != null) { 8416 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8417 } 8418 8419 N = pkg.receivers.size(); 8420 r = null; 8421 for (i=0; i<N; i++) { 8422 PackageParser.Activity a = pkg.receivers.get(i); 8423 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8424 a.info.processName, pkg.applicationInfo.uid); 8425 mReceivers.addActivity(a, "receiver"); 8426 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8427 if (r == null) { 8428 r = new StringBuilder(256); 8429 } else { 8430 r.append(' '); 8431 } 8432 r.append(a.info.name); 8433 } 8434 } 8435 if (r != null) { 8436 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8437 } 8438 8439 N = pkg.activities.size(); 8440 r = null; 8441 for (i=0; i<N; i++) { 8442 PackageParser.Activity a = pkg.activities.get(i); 8443 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8444 a.info.processName, pkg.applicationInfo.uid); 8445 mActivities.addActivity(a, "activity"); 8446 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8447 if (r == null) { 8448 r = new StringBuilder(256); 8449 } else { 8450 r.append(' '); 8451 } 8452 r.append(a.info.name); 8453 } 8454 } 8455 if (r != null) { 8456 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8457 } 8458 8459 N = pkg.permissionGroups.size(); 8460 r = null; 8461 for (i=0; i<N; i++) { 8462 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8463 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8464 if (cur == null) { 8465 mPermissionGroups.put(pg.info.name, pg); 8466 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8467 if (r == null) { 8468 r = new StringBuilder(256); 8469 } else { 8470 r.append(' '); 8471 } 8472 r.append(pg.info.name); 8473 } 8474 } else { 8475 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8476 + pg.info.packageName + " ignored: original from " 8477 + cur.info.packageName); 8478 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8479 if (r == null) { 8480 r = new StringBuilder(256); 8481 } else { 8482 r.append(' '); 8483 } 8484 r.append("DUP:"); 8485 r.append(pg.info.name); 8486 } 8487 } 8488 } 8489 if (r != null) { 8490 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8491 } 8492 8493 N = pkg.permissions.size(); 8494 r = null; 8495 for (i=0; i<N; i++) { 8496 PackageParser.Permission p = pkg.permissions.get(i); 8497 8498 // Assume by default that we did not install this permission into the system. 8499 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8500 8501 // Now that permission groups have a special meaning, we ignore permission 8502 // groups for legacy apps to prevent unexpected behavior. In particular, 8503 // permissions for one app being granted to someone just becase they happen 8504 // to be in a group defined by another app (before this had no implications). 8505 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8506 p.group = mPermissionGroups.get(p.info.group); 8507 // Warn for a permission in an unknown group. 8508 if (p.info.group != null && p.group == null) { 8509 Slog.w(TAG, "Permission " + p.info.name + " from package " 8510 + p.info.packageName + " in an unknown group " + p.info.group); 8511 } 8512 } 8513 8514 ArrayMap<String, BasePermission> permissionMap = 8515 p.tree ? mSettings.mPermissionTrees 8516 : mSettings.mPermissions; 8517 BasePermission bp = permissionMap.get(p.info.name); 8518 8519 // Allow system apps to redefine non-system permissions 8520 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8521 final boolean currentOwnerIsSystem = (bp.perm != null 8522 && isSystemApp(bp.perm.owner)); 8523 if (isSystemApp(p.owner)) { 8524 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8525 // It's a built-in permission and no owner, take ownership now 8526 bp.packageSetting = pkgSetting; 8527 bp.perm = p; 8528 bp.uid = pkg.applicationInfo.uid; 8529 bp.sourcePackage = p.info.packageName; 8530 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8531 } else if (!currentOwnerIsSystem) { 8532 String msg = "New decl " + p.owner + " of permission " 8533 + p.info.name + " is system; overriding " + bp.sourcePackage; 8534 reportSettingsProblem(Log.WARN, msg); 8535 bp = null; 8536 } 8537 } 8538 } 8539 8540 if (bp == null) { 8541 bp = new BasePermission(p.info.name, p.info.packageName, 8542 BasePermission.TYPE_NORMAL); 8543 permissionMap.put(p.info.name, bp); 8544 } 8545 8546 if (bp.perm == null) { 8547 if (bp.sourcePackage == null 8548 || bp.sourcePackage.equals(p.info.packageName)) { 8549 BasePermission tree = findPermissionTreeLP(p.info.name); 8550 if (tree == null 8551 || tree.sourcePackage.equals(p.info.packageName)) { 8552 bp.packageSetting = pkgSetting; 8553 bp.perm = p; 8554 bp.uid = pkg.applicationInfo.uid; 8555 bp.sourcePackage = p.info.packageName; 8556 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8557 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8558 if (r == null) { 8559 r = new StringBuilder(256); 8560 } else { 8561 r.append(' '); 8562 } 8563 r.append(p.info.name); 8564 } 8565 } else { 8566 Slog.w(TAG, "Permission " + p.info.name + " from package " 8567 + p.info.packageName + " ignored: base tree " 8568 + tree.name + " is from package " 8569 + tree.sourcePackage); 8570 } 8571 } else { 8572 Slog.w(TAG, "Permission " + p.info.name + " from package " 8573 + p.info.packageName + " ignored: original from " 8574 + bp.sourcePackage); 8575 } 8576 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8577 if (r == null) { 8578 r = new StringBuilder(256); 8579 } else { 8580 r.append(' '); 8581 } 8582 r.append("DUP:"); 8583 r.append(p.info.name); 8584 } 8585 if (bp.perm == p) { 8586 bp.protectionLevel = p.info.protectionLevel; 8587 } 8588 } 8589 8590 if (r != null) { 8591 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8592 } 8593 8594 N = pkg.instrumentation.size(); 8595 r = null; 8596 for (i=0; i<N; i++) { 8597 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8598 a.info.packageName = pkg.applicationInfo.packageName; 8599 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8600 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8601 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8602 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8603 a.info.dataDir = pkg.applicationInfo.dataDir; 8604 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8605 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8606 8607 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8608 // need other information about the application, like the ABI and what not ? 8609 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8610 mInstrumentation.put(a.getComponentName(), a); 8611 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8612 if (r == null) { 8613 r = new StringBuilder(256); 8614 } else { 8615 r.append(' '); 8616 } 8617 r.append(a.info.name); 8618 } 8619 } 8620 if (r != null) { 8621 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8622 } 8623 8624 if (pkg.protectedBroadcasts != null) { 8625 N = pkg.protectedBroadcasts.size(); 8626 for (i=0; i<N; i++) { 8627 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8628 } 8629 } 8630 8631 pkgSetting.setTimeStamp(scanFileTime); 8632 8633 // Create idmap files for pairs of (packages, overlay packages). 8634 // Note: "android", ie framework-res.apk, is handled by native layers. 8635 if (pkg.mOverlayTarget != null) { 8636 // This is an overlay package. 8637 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8638 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8639 mOverlays.put(pkg.mOverlayTarget, 8640 new ArrayMap<String, PackageParser.Package>()); 8641 } 8642 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8643 map.put(pkg.packageName, pkg); 8644 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8645 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8646 createIdmapFailed = true; 8647 } 8648 } 8649 } else if (mOverlays.containsKey(pkg.packageName) && 8650 !pkg.packageName.equals("android")) { 8651 // This is a regular package, with one or more known overlay packages. 8652 createIdmapsForPackageLI(pkg); 8653 } 8654 } 8655 8656 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8657 8658 if (createIdmapFailed) { 8659 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8660 "scanPackageLI failed to createIdmap"); 8661 } 8662 return pkg; 8663 } 8664 8665 /** 8666 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8667 * is derived purely on the basis of the contents of {@code scanFile} and 8668 * {@code cpuAbiOverride}. 8669 * 8670 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8671 */ 8672 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8673 String cpuAbiOverride, boolean extractLibs) 8674 throws PackageManagerException { 8675 // TODO: We can probably be smarter about this stuff. For installed apps, 8676 // we can calculate this information at install time once and for all. For 8677 // system apps, we can probably assume that this information doesn't change 8678 // after the first boot scan. As things stand, we do lots of unnecessary work. 8679 8680 // Give ourselves some initial paths; we'll come back for another 8681 // pass once we've determined ABI below. 8682 setNativeLibraryPaths(pkg); 8683 8684 // We would never need to extract libs for forward-locked and external packages, 8685 // since the container service will do it for us. We shouldn't attempt to 8686 // extract libs from system app when it was not updated. 8687 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8688 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8689 extractLibs = false; 8690 } 8691 8692 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8693 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8694 8695 NativeLibraryHelper.Handle handle = null; 8696 try { 8697 handle = NativeLibraryHelper.Handle.create(pkg); 8698 // TODO(multiArch): This can be null for apps that didn't go through the 8699 // usual installation process. We can calculate it again, like we 8700 // do during install time. 8701 // 8702 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8703 // unnecessary. 8704 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8705 8706 // Null out the abis so that they can be recalculated. 8707 pkg.applicationInfo.primaryCpuAbi = null; 8708 pkg.applicationInfo.secondaryCpuAbi = null; 8709 if (isMultiArch(pkg.applicationInfo)) { 8710 // Warn if we've set an abiOverride for multi-lib packages.. 8711 // By definition, we need to copy both 32 and 64 bit libraries for 8712 // such packages. 8713 if (pkg.cpuAbiOverride != null 8714 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8715 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8716 } 8717 8718 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8719 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8720 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8721 if (extractLibs) { 8722 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8723 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8724 useIsaSpecificSubdirs); 8725 } else { 8726 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8727 } 8728 } 8729 8730 maybeThrowExceptionForMultiArchCopy( 8731 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8732 8733 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8734 if (extractLibs) { 8735 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8736 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8737 useIsaSpecificSubdirs); 8738 } else { 8739 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8740 } 8741 } 8742 8743 maybeThrowExceptionForMultiArchCopy( 8744 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8745 8746 if (abi64 >= 0) { 8747 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8748 } 8749 8750 if (abi32 >= 0) { 8751 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8752 if (abi64 >= 0) { 8753 if (pkg.use32bitAbi) { 8754 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8755 pkg.applicationInfo.primaryCpuAbi = abi; 8756 } else { 8757 pkg.applicationInfo.secondaryCpuAbi = abi; 8758 } 8759 } else { 8760 pkg.applicationInfo.primaryCpuAbi = abi; 8761 } 8762 } 8763 8764 } else { 8765 String[] abiList = (cpuAbiOverride != null) ? 8766 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8767 8768 // Enable gross and lame hacks for apps that are built with old 8769 // SDK tools. We must scan their APKs for renderscript bitcode and 8770 // not launch them if it's present. Don't bother checking on devices 8771 // that don't have 64 bit support. 8772 boolean needsRenderScriptOverride = false; 8773 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8774 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8775 abiList = Build.SUPPORTED_32_BIT_ABIS; 8776 needsRenderScriptOverride = true; 8777 } 8778 8779 final int copyRet; 8780 if (extractLibs) { 8781 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8782 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8783 } else { 8784 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8785 } 8786 8787 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8788 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8789 "Error unpackaging native libs for app, errorCode=" + copyRet); 8790 } 8791 8792 if (copyRet >= 0) { 8793 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8794 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8795 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8796 } else if (needsRenderScriptOverride) { 8797 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8798 } 8799 } 8800 } catch (IOException ioe) { 8801 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8802 } finally { 8803 IoUtils.closeQuietly(handle); 8804 } 8805 8806 // Now that we've calculated the ABIs and determined if it's an internal app, 8807 // we will go ahead and populate the nativeLibraryPath. 8808 setNativeLibraryPaths(pkg); 8809 } 8810 8811 /** 8812 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8813 * i.e, so that all packages can be run inside a single process if required. 8814 * 8815 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8816 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8817 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8818 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8819 * updating a package that belongs to a shared user. 8820 * 8821 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8822 * adds unnecessary complexity. 8823 */ 8824 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8825 PackageParser.Package scannedPackage, boolean bootComplete) { 8826 String requiredInstructionSet = null; 8827 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8828 requiredInstructionSet = VMRuntime.getInstructionSet( 8829 scannedPackage.applicationInfo.primaryCpuAbi); 8830 } 8831 8832 PackageSetting requirer = null; 8833 for (PackageSetting ps : packagesForUser) { 8834 // If packagesForUser contains scannedPackage, we skip it. This will happen 8835 // when scannedPackage is an update of an existing package. Without this check, 8836 // we will never be able to change the ABI of any package belonging to a shared 8837 // user, even if it's compatible with other packages. 8838 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8839 if (ps.primaryCpuAbiString == null) { 8840 continue; 8841 } 8842 8843 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8844 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8845 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8846 // this but there's not much we can do. 8847 String errorMessage = "Instruction set mismatch, " 8848 + ((requirer == null) ? "[caller]" : requirer) 8849 + " requires " + requiredInstructionSet + " whereas " + ps 8850 + " requires " + instructionSet; 8851 Slog.w(TAG, errorMessage); 8852 } 8853 8854 if (requiredInstructionSet == null) { 8855 requiredInstructionSet = instructionSet; 8856 requirer = ps; 8857 } 8858 } 8859 } 8860 8861 if (requiredInstructionSet != null) { 8862 String adjustedAbi; 8863 if (requirer != null) { 8864 // requirer != null implies that either scannedPackage was null or that scannedPackage 8865 // did not require an ABI, in which case we have to adjust scannedPackage to match 8866 // the ABI of the set (which is the same as requirer's ABI) 8867 adjustedAbi = requirer.primaryCpuAbiString; 8868 if (scannedPackage != null) { 8869 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8870 } 8871 } else { 8872 // requirer == null implies that we're updating all ABIs in the set to 8873 // match scannedPackage. 8874 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8875 } 8876 8877 for (PackageSetting ps : packagesForUser) { 8878 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8879 if (ps.primaryCpuAbiString != null) { 8880 continue; 8881 } 8882 8883 ps.primaryCpuAbiString = adjustedAbi; 8884 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8885 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8886 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8887 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8888 + " (requirer=" 8889 + (requirer == null ? "null" : requirer.pkg.packageName) 8890 + ", scannedPackage=" 8891 + (scannedPackage != null ? scannedPackage.packageName : "null") 8892 + ")"); 8893 try { 8894 mInstaller.rmdex(ps.codePathString, 8895 getDexCodeInstructionSet(getPreferredInstructionSet())); 8896 } catch (InstallerException ignored) { 8897 } 8898 } 8899 } 8900 } 8901 } 8902 } 8903 8904 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8905 synchronized (mPackages) { 8906 mResolverReplaced = true; 8907 // Set up information for custom user intent resolution activity. 8908 mResolveActivity.applicationInfo = pkg.applicationInfo; 8909 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8910 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8911 mResolveActivity.processName = pkg.applicationInfo.packageName; 8912 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8913 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8914 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8915 mResolveActivity.theme = 0; 8916 mResolveActivity.exported = true; 8917 mResolveActivity.enabled = true; 8918 mResolveInfo.activityInfo = mResolveActivity; 8919 mResolveInfo.priority = 0; 8920 mResolveInfo.preferredOrder = 0; 8921 mResolveInfo.match = 0; 8922 mResolveComponentName = mCustomResolverComponentName; 8923 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8924 mResolveComponentName); 8925 } 8926 } 8927 8928 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8929 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8930 8931 // Set up information for ephemeral installer activity 8932 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8933 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8934 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8935 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8936 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8937 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8938 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8939 mEphemeralInstallerActivity.theme = 0; 8940 mEphemeralInstallerActivity.exported = true; 8941 mEphemeralInstallerActivity.enabled = true; 8942 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8943 mEphemeralInstallerInfo.priority = 0; 8944 mEphemeralInstallerInfo.preferredOrder = 0; 8945 mEphemeralInstallerInfo.match = 0; 8946 8947 if (DEBUG_EPHEMERAL) { 8948 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8949 } 8950 } 8951 8952 private static String calculateBundledApkRoot(final String codePathString) { 8953 final File codePath = new File(codePathString); 8954 final File codeRoot; 8955 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8956 codeRoot = Environment.getRootDirectory(); 8957 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8958 codeRoot = Environment.getOemDirectory(); 8959 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8960 codeRoot = Environment.getVendorDirectory(); 8961 } else { 8962 // Unrecognized code path; take its top real segment as the apk root: 8963 // e.g. /something/app/blah.apk => /something 8964 try { 8965 File f = codePath.getCanonicalFile(); 8966 File parent = f.getParentFile(); // non-null because codePath is a file 8967 File tmp; 8968 while ((tmp = parent.getParentFile()) != null) { 8969 f = parent; 8970 parent = tmp; 8971 } 8972 codeRoot = f; 8973 Slog.w(TAG, "Unrecognized code path " 8974 + codePath + " - using " + codeRoot); 8975 } catch (IOException e) { 8976 // Can't canonicalize the code path -- shenanigans? 8977 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8978 return Environment.getRootDirectory().getPath(); 8979 } 8980 } 8981 return codeRoot.getPath(); 8982 } 8983 8984 /** 8985 * Derive and set the location of native libraries for the given package, 8986 * which varies depending on where and how the package was installed. 8987 */ 8988 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8989 final ApplicationInfo info = pkg.applicationInfo; 8990 final String codePath = pkg.codePath; 8991 final File codeFile = new File(codePath); 8992 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8993 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8994 8995 info.nativeLibraryRootDir = null; 8996 info.nativeLibraryRootRequiresIsa = false; 8997 info.nativeLibraryDir = null; 8998 info.secondaryNativeLibraryDir = null; 8999 9000 if (isApkFile(codeFile)) { 9001 // Monolithic install 9002 if (bundledApp) { 9003 // If "/system/lib64/apkname" exists, assume that is the per-package 9004 // native library directory to use; otherwise use "/system/lib/apkname". 9005 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9006 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9007 getPrimaryInstructionSet(info)); 9008 9009 // This is a bundled system app so choose the path based on the ABI. 9010 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9011 // is just the default path. 9012 final String apkName = deriveCodePathName(codePath); 9013 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9014 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9015 apkName).getAbsolutePath(); 9016 9017 if (info.secondaryCpuAbi != null) { 9018 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9019 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9020 secondaryLibDir, apkName).getAbsolutePath(); 9021 } 9022 } else if (asecApp) { 9023 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9024 .getAbsolutePath(); 9025 } else { 9026 final String apkName = deriveCodePathName(codePath); 9027 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9028 .getAbsolutePath(); 9029 } 9030 9031 info.nativeLibraryRootRequiresIsa = false; 9032 info.nativeLibraryDir = info.nativeLibraryRootDir; 9033 } else { 9034 // Cluster install 9035 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9036 info.nativeLibraryRootRequiresIsa = true; 9037 9038 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9039 getPrimaryInstructionSet(info)).getAbsolutePath(); 9040 9041 if (info.secondaryCpuAbi != null) { 9042 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9043 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9044 } 9045 } 9046 } 9047 9048 /** 9049 * Calculate the abis and roots for a bundled app. These can uniquely 9050 * be determined from the contents of the system partition, i.e whether 9051 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9052 * of this information, and instead assume that the system was built 9053 * sensibly. 9054 */ 9055 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9056 PackageSetting pkgSetting) { 9057 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9058 9059 // If "/system/lib64/apkname" exists, assume that is the per-package 9060 // native library directory to use; otherwise use "/system/lib/apkname". 9061 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9062 setBundledAppAbi(pkg, apkRoot, apkName); 9063 // pkgSetting might be null during rescan following uninstall of updates 9064 // to a bundled app, so accommodate that possibility. The settings in 9065 // that case will be established later from the parsed package. 9066 // 9067 // If the settings aren't null, sync them up with what we've just derived. 9068 // note that apkRoot isn't stored in the package settings. 9069 if (pkgSetting != null) { 9070 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9071 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9072 } 9073 } 9074 9075 /** 9076 * Deduces the ABI of a bundled app and sets the relevant fields on the 9077 * parsed pkg object. 9078 * 9079 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9080 * under which system libraries are installed. 9081 * @param apkName the name of the installed package. 9082 */ 9083 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9084 final File codeFile = new File(pkg.codePath); 9085 9086 final boolean has64BitLibs; 9087 final boolean has32BitLibs; 9088 if (isApkFile(codeFile)) { 9089 // Monolithic install 9090 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9091 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9092 } else { 9093 // Cluster install 9094 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9095 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9096 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9097 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9098 has64BitLibs = (new File(rootDir, isa)).exists(); 9099 } else { 9100 has64BitLibs = false; 9101 } 9102 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9103 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9104 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9105 has32BitLibs = (new File(rootDir, isa)).exists(); 9106 } else { 9107 has32BitLibs = false; 9108 } 9109 } 9110 9111 if (has64BitLibs && !has32BitLibs) { 9112 // The package has 64 bit libs, but not 32 bit libs. Its primary 9113 // ABI should be 64 bit. We can safely assume here that the bundled 9114 // native libraries correspond to the most preferred ABI in the list. 9115 9116 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9117 pkg.applicationInfo.secondaryCpuAbi = null; 9118 } else if (has32BitLibs && !has64BitLibs) { 9119 // The package has 32 bit libs but not 64 bit libs. Its primary 9120 // ABI should be 32 bit. 9121 9122 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9123 pkg.applicationInfo.secondaryCpuAbi = null; 9124 } else if (has32BitLibs && has64BitLibs) { 9125 // The application has both 64 and 32 bit bundled libraries. We check 9126 // here that the app declares multiArch support, and warn if it doesn't. 9127 // 9128 // We will be lenient here and record both ABIs. The primary will be the 9129 // ABI that's higher on the list, i.e, a device that's configured to prefer 9130 // 64 bit apps will see a 64 bit primary ABI, 9131 9132 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9133 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9134 } 9135 9136 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9137 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9138 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9139 } else { 9140 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9141 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9142 } 9143 } else { 9144 pkg.applicationInfo.primaryCpuAbi = null; 9145 pkg.applicationInfo.secondaryCpuAbi = null; 9146 } 9147 } 9148 9149 private void killApplication(String pkgName, int appId, String reason) { 9150 // Request the ActivityManager to kill the process(only for existing packages) 9151 // so that we do not end up in a confused state while the user is still using the older 9152 // version of the application while the new one gets installed. 9153 final long token = Binder.clearCallingIdentity(); 9154 try { 9155 IActivityManager am = ActivityManagerNative.getDefault(); 9156 if (am != null) { 9157 try { 9158 am.killApplicationWithAppId(pkgName, appId, reason); 9159 } catch (RemoteException e) { 9160 } 9161 } 9162 } finally { 9163 Binder.restoreCallingIdentity(token); 9164 } 9165 } 9166 9167 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9168 // Remove the parent package setting 9169 PackageSetting ps = (PackageSetting) pkg.mExtras; 9170 if (ps != null) { 9171 removePackageLI(ps, chatty); 9172 } 9173 // Remove the child package setting 9174 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9175 for (int i = 0; i < childCount; i++) { 9176 PackageParser.Package childPkg = pkg.childPackages.get(i); 9177 ps = (PackageSetting) childPkg.mExtras; 9178 if (ps != null) { 9179 removePackageLI(ps, chatty); 9180 } 9181 } 9182 } 9183 9184 void removePackageLI(PackageSetting ps, boolean chatty) { 9185 if (DEBUG_INSTALL) { 9186 if (chatty) 9187 Log.d(TAG, "Removing package " + ps.name); 9188 } 9189 9190 // writer 9191 synchronized (mPackages) { 9192 mPackages.remove(ps.name); 9193 final PackageParser.Package pkg = ps.pkg; 9194 if (pkg != null) { 9195 cleanPackageDataStructuresLILPw(pkg, chatty); 9196 } 9197 } 9198 } 9199 9200 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9201 if (DEBUG_INSTALL) { 9202 if (chatty) 9203 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9204 } 9205 9206 // writer 9207 synchronized (mPackages) { 9208 // Remove the parent package 9209 mPackages.remove(pkg.applicationInfo.packageName); 9210 cleanPackageDataStructuresLILPw(pkg, chatty); 9211 9212 // Remove the child packages 9213 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9214 for (int i = 0; i < childCount; i++) { 9215 PackageParser.Package childPkg = pkg.childPackages.get(i); 9216 mPackages.remove(childPkg.applicationInfo.packageName); 9217 cleanPackageDataStructuresLILPw(childPkg, chatty); 9218 } 9219 } 9220 } 9221 9222 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9223 int N = pkg.providers.size(); 9224 StringBuilder r = null; 9225 int i; 9226 for (i=0; i<N; i++) { 9227 PackageParser.Provider p = pkg.providers.get(i); 9228 mProviders.removeProvider(p); 9229 if (p.info.authority == null) { 9230 9231 /* There was another ContentProvider with this authority when 9232 * this app was installed so this authority is null, 9233 * Ignore it as we don't have to unregister the provider. 9234 */ 9235 continue; 9236 } 9237 String names[] = p.info.authority.split(";"); 9238 for (int j = 0; j < names.length; j++) { 9239 if (mProvidersByAuthority.get(names[j]) == p) { 9240 mProvidersByAuthority.remove(names[j]); 9241 if (DEBUG_REMOVE) { 9242 if (chatty) 9243 Log.d(TAG, "Unregistered content provider: " + names[j] 9244 + ", className = " + p.info.name + ", isSyncable = " 9245 + p.info.isSyncable); 9246 } 9247 } 9248 } 9249 if (DEBUG_REMOVE && chatty) { 9250 if (r == null) { 9251 r = new StringBuilder(256); 9252 } else { 9253 r.append(' '); 9254 } 9255 r.append(p.info.name); 9256 } 9257 } 9258 if (r != null) { 9259 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9260 } 9261 9262 N = pkg.services.size(); 9263 r = null; 9264 for (i=0; i<N; i++) { 9265 PackageParser.Service s = pkg.services.get(i); 9266 mServices.removeService(s); 9267 if (chatty) { 9268 if (r == null) { 9269 r = new StringBuilder(256); 9270 } else { 9271 r.append(' '); 9272 } 9273 r.append(s.info.name); 9274 } 9275 } 9276 if (r != null) { 9277 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9278 } 9279 9280 N = pkg.receivers.size(); 9281 r = null; 9282 for (i=0; i<N; i++) { 9283 PackageParser.Activity a = pkg.receivers.get(i); 9284 mReceivers.removeActivity(a, "receiver"); 9285 if (DEBUG_REMOVE && chatty) { 9286 if (r == null) { 9287 r = new StringBuilder(256); 9288 } else { 9289 r.append(' '); 9290 } 9291 r.append(a.info.name); 9292 } 9293 } 9294 if (r != null) { 9295 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9296 } 9297 9298 N = pkg.activities.size(); 9299 r = null; 9300 for (i=0; i<N; i++) { 9301 PackageParser.Activity a = pkg.activities.get(i); 9302 mActivities.removeActivity(a, "activity"); 9303 if (DEBUG_REMOVE && chatty) { 9304 if (r == null) { 9305 r = new StringBuilder(256); 9306 } else { 9307 r.append(' '); 9308 } 9309 r.append(a.info.name); 9310 } 9311 } 9312 if (r != null) { 9313 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9314 } 9315 9316 N = pkg.permissions.size(); 9317 r = null; 9318 for (i=0; i<N; i++) { 9319 PackageParser.Permission p = pkg.permissions.get(i); 9320 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9321 if (bp == null) { 9322 bp = mSettings.mPermissionTrees.get(p.info.name); 9323 } 9324 if (bp != null && bp.perm == p) { 9325 bp.perm = null; 9326 if (DEBUG_REMOVE && chatty) { 9327 if (r == null) { 9328 r = new StringBuilder(256); 9329 } else { 9330 r.append(' '); 9331 } 9332 r.append(p.info.name); 9333 } 9334 } 9335 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9336 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9337 if (appOpPkgs != null) { 9338 appOpPkgs.remove(pkg.packageName); 9339 } 9340 } 9341 } 9342 if (r != null) { 9343 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9344 } 9345 9346 N = pkg.requestedPermissions.size(); 9347 r = null; 9348 for (i=0; i<N; i++) { 9349 String perm = pkg.requestedPermissions.get(i); 9350 BasePermission bp = mSettings.mPermissions.get(perm); 9351 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9352 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9353 if (appOpPkgs != null) { 9354 appOpPkgs.remove(pkg.packageName); 9355 if (appOpPkgs.isEmpty()) { 9356 mAppOpPermissionPackages.remove(perm); 9357 } 9358 } 9359 } 9360 } 9361 if (r != null) { 9362 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9363 } 9364 9365 N = pkg.instrumentation.size(); 9366 r = null; 9367 for (i=0; i<N; i++) { 9368 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9369 mInstrumentation.remove(a.getComponentName()); 9370 if (DEBUG_REMOVE && chatty) { 9371 if (r == null) { 9372 r = new StringBuilder(256); 9373 } else { 9374 r.append(' '); 9375 } 9376 r.append(a.info.name); 9377 } 9378 } 9379 if (r != null) { 9380 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9381 } 9382 9383 r = null; 9384 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9385 // Only system apps can hold shared libraries. 9386 if (pkg.libraryNames != null) { 9387 for (i=0; i<pkg.libraryNames.size(); i++) { 9388 String name = pkg.libraryNames.get(i); 9389 SharedLibraryEntry cur = mSharedLibraries.get(name); 9390 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9391 mSharedLibraries.remove(name); 9392 if (DEBUG_REMOVE && chatty) { 9393 if (r == null) { 9394 r = new StringBuilder(256); 9395 } else { 9396 r.append(' '); 9397 } 9398 r.append(name); 9399 } 9400 } 9401 } 9402 } 9403 } 9404 if (r != null) { 9405 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9406 } 9407 } 9408 9409 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9410 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9411 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9412 return true; 9413 } 9414 } 9415 return false; 9416 } 9417 9418 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9419 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9420 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9421 9422 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9423 // Update the parent permissions 9424 updatePermissionsLPw(pkg.packageName, pkg, flags); 9425 // Update the child permissions 9426 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9427 for (int i = 0; i < childCount; i++) { 9428 PackageParser.Package childPkg = pkg.childPackages.get(i); 9429 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9430 } 9431 } 9432 9433 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9434 int flags) { 9435 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9436 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9437 } 9438 9439 private void updatePermissionsLPw(String changingPkg, 9440 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9441 // Make sure there are no dangling permission trees. 9442 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9443 while (it.hasNext()) { 9444 final BasePermission bp = it.next(); 9445 if (bp.packageSetting == null) { 9446 // We may not yet have parsed the package, so just see if 9447 // we still know about its settings. 9448 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9449 } 9450 if (bp.packageSetting == null) { 9451 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9452 + " from package " + bp.sourcePackage); 9453 it.remove(); 9454 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9455 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9456 Slog.i(TAG, "Removing old permission tree: " + bp.name 9457 + " from package " + bp.sourcePackage); 9458 flags |= UPDATE_PERMISSIONS_ALL; 9459 it.remove(); 9460 } 9461 } 9462 } 9463 9464 // Make sure all dynamic permissions have been assigned to a package, 9465 // and make sure there are no dangling permissions. 9466 it = mSettings.mPermissions.values().iterator(); 9467 while (it.hasNext()) { 9468 final BasePermission bp = it.next(); 9469 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9470 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9471 + bp.name + " pkg=" + bp.sourcePackage 9472 + " info=" + bp.pendingInfo); 9473 if (bp.packageSetting == null && bp.pendingInfo != null) { 9474 final BasePermission tree = findPermissionTreeLP(bp.name); 9475 if (tree != null && tree.perm != null) { 9476 bp.packageSetting = tree.packageSetting; 9477 bp.perm = new PackageParser.Permission(tree.perm.owner, 9478 new PermissionInfo(bp.pendingInfo)); 9479 bp.perm.info.packageName = tree.perm.info.packageName; 9480 bp.perm.info.name = bp.name; 9481 bp.uid = tree.uid; 9482 } 9483 } 9484 } 9485 if (bp.packageSetting == null) { 9486 // We may not yet have parsed the package, so just see if 9487 // we still know about its settings. 9488 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9489 } 9490 if (bp.packageSetting == null) { 9491 Slog.w(TAG, "Removing dangling permission: " + bp.name 9492 + " from package " + bp.sourcePackage); 9493 it.remove(); 9494 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9495 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9496 Slog.i(TAG, "Removing old permission: " + bp.name 9497 + " from package " + bp.sourcePackage); 9498 flags |= UPDATE_PERMISSIONS_ALL; 9499 it.remove(); 9500 } 9501 } 9502 } 9503 9504 // Now update the permissions for all packages, in particular 9505 // replace the granted permissions of the system packages. 9506 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9507 for (PackageParser.Package pkg : mPackages.values()) { 9508 if (pkg != pkgInfo) { 9509 // Only replace for packages on requested volume 9510 final String volumeUuid = getVolumeUuidForPackage(pkg); 9511 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9512 && Objects.equals(replaceVolumeUuid, volumeUuid); 9513 grantPermissionsLPw(pkg, replace, changingPkg); 9514 } 9515 } 9516 } 9517 9518 if (pkgInfo != null) { 9519 // Only replace for packages on requested volume 9520 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9521 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9522 && Objects.equals(replaceVolumeUuid, volumeUuid); 9523 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9524 } 9525 } 9526 9527 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9528 String packageOfInterest) { 9529 // IMPORTANT: There are two types of permissions: install and runtime. 9530 // Install time permissions are granted when the app is installed to 9531 // all device users and users added in the future. Runtime permissions 9532 // are granted at runtime explicitly to specific users. Normal and signature 9533 // protected permissions are install time permissions. Dangerous permissions 9534 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9535 // otherwise they are runtime permissions. This function does not manage 9536 // runtime permissions except for the case an app targeting Lollipop MR1 9537 // being upgraded to target a newer SDK, in which case dangerous permissions 9538 // are transformed from install time to runtime ones. 9539 9540 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9541 if (ps == null) { 9542 return; 9543 } 9544 9545 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9546 9547 PermissionsState permissionsState = ps.getPermissionsState(); 9548 PermissionsState origPermissions = permissionsState; 9549 9550 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9551 9552 boolean runtimePermissionsRevoked = false; 9553 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9554 9555 boolean changedInstallPermission = false; 9556 9557 if (replace) { 9558 ps.installPermissionsFixed = false; 9559 if (!ps.isSharedUser()) { 9560 origPermissions = new PermissionsState(permissionsState); 9561 permissionsState.reset(); 9562 } else { 9563 // We need to know only about runtime permission changes since the 9564 // calling code always writes the install permissions state but 9565 // the runtime ones are written only if changed. The only cases of 9566 // changed runtime permissions here are promotion of an install to 9567 // runtime and revocation of a runtime from a shared user. 9568 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9569 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9570 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9571 runtimePermissionsRevoked = true; 9572 } 9573 } 9574 } 9575 9576 permissionsState.setGlobalGids(mGlobalGids); 9577 9578 final int N = pkg.requestedPermissions.size(); 9579 for (int i=0; i<N; i++) { 9580 final String name = pkg.requestedPermissions.get(i); 9581 final BasePermission bp = mSettings.mPermissions.get(name); 9582 9583 if (DEBUG_INSTALL) { 9584 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9585 } 9586 9587 if (bp == null || bp.packageSetting == null) { 9588 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9589 Slog.w(TAG, "Unknown permission " + name 9590 + " in package " + pkg.packageName); 9591 } 9592 continue; 9593 } 9594 9595 final String perm = bp.name; 9596 boolean allowedSig = false; 9597 int grant = GRANT_DENIED; 9598 9599 // Keep track of app op permissions. 9600 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9601 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9602 if (pkgs == null) { 9603 pkgs = new ArraySet<>(); 9604 mAppOpPermissionPackages.put(bp.name, pkgs); 9605 } 9606 pkgs.add(pkg.packageName); 9607 } 9608 9609 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9610 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9611 >= Build.VERSION_CODES.M; 9612 switch (level) { 9613 case PermissionInfo.PROTECTION_NORMAL: { 9614 // For all apps normal permissions are install time ones. 9615 grant = GRANT_INSTALL; 9616 } break; 9617 9618 case PermissionInfo.PROTECTION_DANGEROUS: { 9619 // If a permission review is required for legacy apps we represent 9620 // their permissions as always granted runtime ones since we need 9621 // to keep the review required permission flag per user while an 9622 // install permission's state is shared across all users. 9623 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9624 // For legacy apps dangerous permissions are install time ones. 9625 grant = GRANT_INSTALL; 9626 } else if (origPermissions.hasInstallPermission(bp.name)) { 9627 // For legacy apps that became modern, install becomes runtime. 9628 grant = GRANT_UPGRADE; 9629 } else if (mPromoteSystemApps 9630 && isSystemApp(ps) 9631 && mExistingSystemPackages.contains(ps.name)) { 9632 // For legacy system apps, install becomes runtime. 9633 // We cannot check hasInstallPermission() for system apps since those 9634 // permissions were granted implicitly and not persisted pre-M. 9635 grant = GRANT_UPGRADE; 9636 } else { 9637 // For modern apps keep runtime permissions unchanged. 9638 grant = GRANT_RUNTIME; 9639 } 9640 } break; 9641 9642 case PermissionInfo.PROTECTION_SIGNATURE: { 9643 // For all apps signature permissions are install time ones. 9644 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9645 if (allowedSig) { 9646 grant = GRANT_INSTALL; 9647 } 9648 } break; 9649 } 9650 9651 if (DEBUG_INSTALL) { 9652 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9653 } 9654 9655 if (grant != GRANT_DENIED) { 9656 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9657 // If this is an existing, non-system package, then 9658 // we can't add any new permissions to it. 9659 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9660 // Except... if this is a permission that was added 9661 // to the platform (note: need to only do this when 9662 // updating the platform). 9663 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9664 grant = GRANT_DENIED; 9665 } 9666 } 9667 } 9668 9669 switch (grant) { 9670 case GRANT_INSTALL: { 9671 // Revoke this as runtime permission to handle the case of 9672 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9673 for (int userId : UserManagerService.getInstance().getUserIds()) { 9674 if (origPermissions.getRuntimePermissionState( 9675 bp.name, userId) != null) { 9676 // Revoke the runtime permission and clear the flags. 9677 origPermissions.revokeRuntimePermission(bp, userId); 9678 origPermissions.updatePermissionFlags(bp, userId, 9679 PackageManager.MASK_PERMISSION_FLAGS, 0); 9680 // If we revoked a permission permission, we have to write. 9681 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9682 changedRuntimePermissionUserIds, userId); 9683 } 9684 } 9685 // Grant an install permission. 9686 if (permissionsState.grantInstallPermission(bp) != 9687 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9688 changedInstallPermission = true; 9689 } 9690 } break; 9691 9692 case GRANT_RUNTIME: { 9693 // Grant previously granted runtime permissions. 9694 for (int userId : UserManagerService.getInstance().getUserIds()) { 9695 PermissionState permissionState = origPermissions 9696 .getRuntimePermissionState(bp.name, userId); 9697 int flags = permissionState != null 9698 ? permissionState.getFlags() : 0; 9699 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9700 if (permissionsState.grantRuntimePermission(bp, userId) == 9701 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9702 // If we cannot put the permission as it was, we have to write. 9703 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9704 changedRuntimePermissionUserIds, userId); 9705 } 9706 // If the app supports runtime permissions no need for a review. 9707 if (Build.PERMISSIONS_REVIEW_REQUIRED 9708 && appSupportsRuntimePermissions 9709 && (flags & PackageManager 9710 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9711 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9712 // Since we changed the flags, we have to write. 9713 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9714 changedRuntimePermissionUserIds, userId); 9715 } 9716 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9717 && !appSupportsRuntimePermissions) { 9718 // For legacy apps that need a permission review, every new 9719 // runtime permission is granted but it is pending a review. 9720 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9721 permissionsState.grantRuntimePermission(bp, userId); 9722 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9723 // We changed the permission and flags, hence have to write. 9724 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9725 changedRuntimePermissionUserIds, userId); 9726 } 9727 } 9728 // Propagate the permission flags. 9729 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9730 } 9731 } break; 9732 9733 case GRANT_UPGRADE: { 9734 // Grant runtime permissions for a previously held install permission. 9735 PermissionState permissionState = origPermissions 9736 .getInstallPermissionState(bp.name); 9737 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9738 9739 if (origPermissions.revokeInstallPermission(bp) 9740 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9741 // We will be transferring the permission flags, so clear them. 9742 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9743 PackageManager.MASK_PERMISSION_FLAGS, 0); 9744 changedInstallPermission = true; 9745 } 9746 9747 // If the permission is not to be promoted to runtime we ignore it and 9748 // also its other flags as they are not applicable to install permissions. 9749 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9750 for (int userId : currentUserIds) { 9751 if (permissionsState.grantRuntimePermission(bp, userId) != 9752 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9753 // Transfer the permission flags. 9754 permissionsState.updatePermissionFlags(bp, userId, 9755 flags, flags); 9756 // If we granted the permission, we have to write. 9757 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9758 changedRuntimePermissionUserIds, userId); 9759 } 9760 } 9761 } 9762 } break; 9763 9764 default: { 9765 if (packageOfInterest == null 9766 || packageOfInterest.equals(pkg.packageName)) { 9767 Slog.w(TAG, "Not granting permission " + perm 9768 + " to package " + pkg.packageName 9769 + " because it was previously installed without"); 9770 } 9771 } break; 9772 } 9773 } else { 9774 if (permissionsState.revokeInstallPermission(bp) != 9775 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9776 // Also drop the permission flags. 9777 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9778 PackageManager.MASK_PERMISSION_FLAGS, 0); 9779 changedInstallPermission = true; 9780 Slog.i(TAG, "Un-granting permission " + perm 9781 + " from package " + pkg.packageName 9782 + " (protectionLevel=" + bp.protectionLevel 9783 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9784 + ")"); 9785 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9786 // Don't print warning for app op permissions, since it is fine for them 9787 // not to be granted, there is a UI for the user to decide. 9788 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9789 Slog.w(TAG, "Not granting permission " + perm 9790 + " to package " + pkg.packageName 9791 + " (protectionLevel=" + bp.protectionLevel 9792 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9793 + ")"); 9794 } 9795 } 9796 } 9797 } 9798 9799 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9800 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9801 // This is the first that we have heard about this package, so the 9802 // permissions we have now selected are fixed until explicitly 9803 // changed. 9804 ps.installPermissionsFixed = true; 9805 } 9806 9807 // Persist the runtime permissions state for users with changes. If permissions 9808 // were revoked because no app in the shared user declares them we have to 9809 // write synchronously to avoid losing runtime permissions state. 9810 for (int userId : changedRuntimePermissionUserIds) { 9811 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9812 } 9813 9814 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9815 } 9816 9817 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9818 boolean allowed = false; 9819 final int NP = PackageParser.NEW_PERMISSIONS.length; 9820 for (int ip=0; ip<NP; ip++) { 9821 final PackageParser.NewPermissionInfo npi 9822 = PackageParser.NEW_PERMISSIONS[ip]; 9823 if (npi.name.equals(perm) 9824 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9825 allowed = true; 9826 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9827 + pkg.packageName); 9828 break; 9829 } 9830 } 9831 return allowed; 9832 } 9833 9834 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9835 BasePermission bp, PermissionsState origPermissions) { 9836 boolean allowed; 9837 allowed = (compareSignatures( 9838 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9839 == PackageManager.SIGNATURE_MATCH) 9840 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9841 == PackageManager.SIGNATURE_MATCH); 9842 if (!allowed && (bp.protectionLevel 9843 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9844 if (isSystemApp(pkg)) { 9845 // For updated system applications, a system permission 9846 // is granted only if it had been defined by the original application. 9847 if (pkg.isUpdatedSystemApp()) { 9848 final PackageSetting sysPs = mSettings 9849 .getDisabledSystemPkgLPr(pkg.packageName); 9850 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9851 // If the original was granted this permission, we take 9852 // that grant decision as read and propagate it to the 9853 // update. 9854 if (sysPs.isPrivileged()) { 9855 allowed = true; 9856 } 9857 } else { 9858 // The system apk may have been updated with an older 9859 // version of the one on the data partition, but which 9860 // granted a new system permission that it didn't have 9861 // before. In this case we do want to allow the app to 9862 // now get the new permission if the ancestral apk is 9863 // privileged to get it. 9864 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9865 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9866 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9867 allowed = true; 9868 break; 9869 } 9870 } 9871 } 9872 // Also if a privileged parent package on the system image or any of 9873 // its children requested a privileged permission, the updated child 9874 // packages can also get the permission. 9875 if (pkg.parentPackage != null) { 9876 final PackageSetting disabledSysParentPs = mSettings 9877 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9878 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9879 && disabledSysParentPs.isPrivileged()) { 9880 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9881 allowed = true; 9882 } else if (disabledSysParentPs.pkg.childPackages != null) { 9883 final int count = disabledSysParentPs.pkg.childPackages.size(); 9884 for (int i = 0; i < count; i++) { 9885 PackageParser.Package disabledSysChildPkg = 9886 disabledSysParentPs.pkg.childPackages.get(i); 9887 if (isPackageRequestingPermission(disabledSysChildPkg, 9888 perm)) { 9889 allowed = true; 9890 break; 9891 } 9892 } 9893 } 9894 } 9895 } 9896 } 9897 } else { 9898 allowed = isPrivilegedApp(pkg); 9899 } 9900 } 9901 } 9902 if (!allowed) { 9903 if (!allowed && (bp.protectionLevel 9904 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9905 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9906 // If this was a previously normal/dangerous permission that got moved 9907 // to a system permission as part of the runtime permission redesign, then 9908 // we still want to blindly grant it to old apps. 9909 allowed = true; 9910 } 9911 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9912 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9913 // If this permission is to be granted to the system installer and 9914 // this app is an installer, then it gets the permission. 9915 allowed = true; 9916 } 9917 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9918 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9919 // If this permission is to be granted to the system verifier and 9920 // this app is a verifier, then it gets the permission. 9921 allowed = true; 9922 } 9923 if (!allowed && (bp.protectionLevel 9924 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9925 && isSystemApp(pkg)) { 9926 // Any pre-installed system app is allowed to get this permission. 9927 allowed = true; 9928 } 9929 if (!allowed && (bp.protectionLevel 9930 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9931 // For development permissions, a development permission 9932 // is granted only if it was already granted. 9933 allowed = origPermissions.hasInstallPermission(perm); 9934 } 9935 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 9936 && pkg.packageName.equals(mSetupWizardPackage)) { 9937 // If this permission is to be granted to the system setup wizard and 9938 // this app is a setup wizard, then it gets the permission. 9939 allowed = true; 9940 } 9941 } 9942 return allowed; 9943 } 9944 9945 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9946 final int permCount = pkg.requestedPermissions.size(); 9947 for (int j = 0; j < permCount; j++) { 9948 String requestedPermission = pkg.requestedPermissions.get(j); 9949 if (permission.equals(requestedPermission)) { 9950 return true; 9951 } 9952 } 9953 return false; 9954 } 9955 9956 final class ActivityIntentResolver 9957 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9958 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9959 boolean defaultOnly, int userId) { 9960 if (!sUserManager.exists(userId)) return null; 9961 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9962 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9963 } 9964 9965 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9966 int userId) { 9967 if (!sUserManager.exists(userId)) return null; 9968 mFlags = flags; 9969 return super.queryIntent(intent, resolvedType, 9970 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9971 } 9972 9973 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9974 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9975 if (!sUserManager.exists(userId)) return null; 9976 if (packageActivities == null) { 9977 return null; 9978 } 9979 mFlags = flags; 9980 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9981 final int N = packageActivities.size(); 9982 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9983 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9984 9985 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9986 for (int i = 0; i < N; ++i) { 9987 intentFilters = packageActivities.get(i).intents; 9988 if (intentFilters != null && intentFilters.size() > 0) { 9989 PackageParser.ActivityIntentInfo[] array = 9990 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9991 intentFilters.toArray(array); 9992 listCut.add(array); 9993 } 9994 } 9995 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9996 } 9997 9998 /** 9999 * Finds a privileged activity that matches the specified activity names. 10000 */ 10001 private PackageParser.Activity findMatchingActivity( 10002 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10003 for (PackageParser.Activity sysActivity : activityList) { 10004 if (sysActivity.info.name.equals(activityInfo.name)) { 10005 return sysActivity; 10006 } 10007 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10008 return sysActivity; 10009 } 10010 if (sysActivity.info.targetActivity != null) { 10011 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10012 return sysActivity; 10013 } 10014 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10015 return sysActivity; 10016 } 10017 } 10018 } 10019 return null; 10020 } 10021 10022 public class IterGenerator<E> { 10023 public Iterator<E> generate(ActivityIntentInfo info) { 10024 return null; 10025 } 10026 } 10027 10028 public class ActionIterGenerator extends IterGenerator<String> { 10029 @Override 10030 public Iterator<String> generate(ActivityIntentInfo info) { 10031 return info.actionsIterator(); 10032 } 10033 } 10034 10035 public class CategoriesIterGenerator extends IterGenerator<String> { 10036 @Override 10037 public Iterator<String> generate(ActivityIntentInfo info) { 10038 return info.categoriesIterator(); 10039 } 10040 } 10041 10042 public class SchemesIterGenerator extends IterGenerator<String> { 10043 @Override 10044 public Iterator<String> generate(ActivityIntentInfo info) { 10045 return info.schemesIterator(); 10046 } 10047 } 10048 10049 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10050 @Override 10051 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10052 return info.authoritiesIterator(); 10053 } 10054 } 10055 10056 /** 10057 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10058 * MODIFIED. Do not pass in a list that should not be changed. 10059 */ 10060 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10061 IterGenerator<T> generator, Iterator<T> searchIterator) { 10062 // loop through the set of actions; every one must be found in the intent filter 10063 while (searchIterator.hasNext()) { 10064 // we must have at least one filter in the list to consider a match 10065 if (intentList.size() == 0) { 10066 break; 10067 } 10068 10069 final T searchAction = searchIterator.next(); 10070 10071 // loop through the set of intent filters 10072 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10073 while (intentIter.hasNext()) { 10074 final ActivityIntentInfo intentInfo = intentIter.next(); 10075 boolean selectionFound = false; 10076 10077 // loop through the intent filter's selection criteria; at least one 10078 // of them must match the searched criteria 10079 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10080 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10081 final T intentSelection = intentSelectionIter.next(); 10082 if (intentSelection != null && intentSelection.equals(searchAction)) { 10083 selectionFound = true; 10084 break; 10085 } 10086 } 10087 10088 // the selection criteria wasn't found in this filter's set; this filter 10089 // is not a potential match 10090 if (!selectionFound) { 10091 intentIter.remove(); 10092 } 10093 } 10094 } 10095 } 10096 10097 private boolean isProtectedAction(ActivityIntentInfo filter) { 10098 final Iterator<String> actionsIter = filter.actionsIterator(); 10099 while (actionsIter != null && actionsIter.hasNext()) { 10100 final String filterAction = actionsIter.next(); 10101 if (PROTECTED_ACTIONS.contains(filterAction)) { 10102 return true; 10103 } 10104 } 10105 return false; 10106 } 10107 10108 /** 10109 * Adjusts the priority of the given intent filter according to policy. 10110 * <p> 10111 * <ul> 10112 * <li>The priority for non privileged applications is capped to '0'</li> 10113 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10114 * <li>The priority for unbundled updates to privileged applications is capped to the 10115 * priority defined on the system partition</li> 10116 * </ul> 10117 * <p> 10118 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10119 * allowed to obtain any priority on any action. 10120 */ 10121 private void adjustPriority( 10122 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10123 // nothing to do; priority is fine as-is 10124 if (intent.getPriority() <= 0) { 10125 return; 10126 } 10127 10128 final ActivityInfo activityInfo = intent.activity.info; 10129 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10130 10131 final boolean privilegedApp = 10132 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10133 if (!privilegedApp) { 10134 // non-privileged applications can never define a priority >0 10135 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10136 + " package: " + applicationInfo.packageName 10137 + " activity: " + intent.activity.className 10138 + " origPrio: " + intent.getPriority()); 10139 intent.setPriority(0); 10140 return; 10141 } 10142 10143 if (systemActivities == null) { 10144 // the system package is not disabled; we're parsing the system partition 10145 if (isProtectedAction(intent)) { 10146 if (mDeferProtectedFilters) { 10147 // We can't deal with these just yet. No component should ever obtain a 10148 // >0 priority for a protected actions, with ONE exception -- the setup 10149 // wizard. The setup wizard, however, cannot be known until we're able to 10150 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10151 // until all intent filters have been processed. Chicken, meet egg. 10152 // Let the filter temporarily have a high priority and rectify the 10153 // priorities after all system packages have been scanned. 10154 mProtectedFilters.add(intent); 10155 if (DEBUG_FILTERS) { 10156 Slog.i(TAG, "Protected action; save for later;" 10157 + " package: " + applicationInfo.packageName 10158 + " activity: " + intent.activity.className 10159 + " origPrio: " + intent.getPriority()); 10160 } 10161 return; 10162 } else { 10163 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10164 Slog.i(TAG, "No setup wizard;" 10165 + " All protected intents capped to priority 0"); 10166 } 10167 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10168 if (DEBUG_FILTERS) { 10169 Slog.i(TAG, "Found setup wizard;" 10170 + " allow priority " + intent.getPriority() + ";" 10171 + " package: " + intent.activity.info.packageName 10172 + " activity: " + intent.activity.className 10173 + " priority: " + intent.getPriority()); 10174 } 10175 // setup wizard gets whatever it wants 10176 return; 10177 } 10178 Slog.w(TAG, "Protected action; cap priority to 0;" 10179 + " package: " + intent.activity.info.packageName 10180 + " activity: " + intent.activity.className 10181 + " origPrio: " + intent.getPriority()); 10182 intent.setPriority(0); 10183 return; 10184 } 10185 } 10186 // privileged apps on the system image get whatever priority they request 10187 return; 10188 } 10189 10190 // privileged app unbundled update ... try to find the same activity 10191 final PackageParser.Activity foundActivity = 10192 findMatchingActivity(systemActivities, activityInfo); 10193 if (foundActivity == null) { 10194 // this is a new activity; it cannot obtain >0 priority 10195 if (DEBUG_FILTERS) { 10196 Slog.i(TAG, "New activity; cap priority to 0;" 10197 + " package: " + applicationInfo.packageName 10198 + " activity: " + intent.activity.className 10199 + " origPrio: " + intent.getPriority()); 10200 } 10201 intent.setPriority(0); 10202 return; 10203 } 10204 10205 // found activity, now check for filter equivalence 10206 10207 // a shallow copy is enough; we modify the list, not its contents 10208 final List<ActivityIntentInfo> intentListCopy = 10209 new ArrayList<>(foundActivity.intents); 10210 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10211 10212 // find matching action subsets 10213 final Iterator<String> actionsIterator = intent.actionsIterator(); 10214 if (actionsIterator != null) { 10215 getIntentListSubset( 10216 intentListCopy, new ActionIterGenerator(), actionsIterator); 10217 if (intentListCopy.size() == 0) { 10218 // no more intents to match; we're not equivalent 10219 if (DEBUG_FILTERS) { 10220 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10221 + " package: " + applicationInfo.packageName 10222 + " activity: " + intent.activity.className 10223 + " origPrio: " + intent.getPriority()); 10224 } 10225 intent.setPriority(0); 10226 return; 10227 } 10228 } 10229 10230 // find matching category subsets 10231 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10232 if (categoriesIterator != null) { 10233 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10234 categoriesIterator); 10235 if (intentListCopy.size() == 0) { 10236 // no more intents to match; we're not equivalent 10237 if (DEBUG_FILTERS) { 10238 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10239 + " package: " + applicationInfo.packageName 10240 + " activity: " + intent.activity.className 10241 + " origPrio: " + intent.getPriority()); 10242 } 10243 intent.setPriority(0); 10244 return; 10245 } 10246 } 10247 10248 // find matching schemes subsets 10249 final Iterator<String> schemesIterator = intent.schemesIterator(); 10250 if (schemesIterator != null) { 10251 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10252 schemesIterator); 10253 if (intentListCopy.size() == 0) { 10254 // no more intents to match; we're not equivalent 10255 if (DEBUG_FILTERS) { 10256 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10257 + " package: " + applicationInfo.packageName 10258 + " activity: " + intent.activity.className 10259 + " origPrio: " + intent.getPriority()); 10260 } 10261 intent.setPriority(0); 10262 return; 10263 } 10264 } 10265 10266 // find matching authorities subsets 10267 final Iterator<IntentFilter.AuthorityEntry> 10268 authoritiesIterator = intent.authoritiesIterator(); 10269 if (authoritiesIterator != null) { 10270 getIntentListSubset(intentListCopy, 10271 new AuthoritiesIterGenerator(), 10272 authoritiesIterator); 10273 if (intentListCopy.size() == 0) { 10274 // no more intents to match; we're not equivalent 10275 if (DEBUG_FILTERS) { 10276 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10277 + " package: " + applicationInfo.packageName 10278 + " activity: " + intent.activity.className 10279 + " origPrio: " + intent.getPriority()); 10280 } 10281 intent.setPriority(0); 10282 return; 10283 } 10284 } 10285 10286 // we found matching filter(s); app gets the max priority of all intents 10287 int cappedPriority = 0; 10288 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10289 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10290 } 10291 if (intent.getPriority() > cappedPriority) { 10292 if (DEBUG_FILTERS) { 10293 Slog.i(TAG, "Found matching filter(s);" 10294 + " cap priority to " + cappedPriority + ";" 10295 + " package: " + applicationInfo.packageName 10296 + " activity: " + intent.activity.className 10297 + " origPrio: " + intent.getPriority()); 10298 } 10299 intent.setPriority(cappedPriority); 10300 return; 10301 } 10302 // all this for nothing; the requested priority was <= what was on the system 10303 } 10304 10305 public final void addActivity(PackageParser.Activity a, String type) { 10306 mActivities.put(a.getComponentName(), a); 10307 if (DEBUG_SHOW_INFO) 10308 Log.v( 10309 TAG, " " + type + " " + 10310 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10311 if (DEBUG_SHOW_INFO) 10312 Log.v(TAG, " Class=" + a.info.name); 10313 final int NI = a.intents.size(); 10314 for (int j=0; j<NI; j++) { 10315 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10316 if ("activity".equals(type)) { 10317 final PackageSetting ps = 10318 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10319 final List<PackageParser.Activity> systemActivities = 10320 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10321 adjustPriority(systemActivities, intent); 10322 } 10323 if (DEBUG_SHOW_INFO) { 10324 Log.v(TAG, " IntentFilter:"); 10325 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10326 } 10327 if (!intent.debugCheck()) { 10328 Log.w(TAG, "==> For Activity " + a.info.name); 10329 } 10330 addFilter(intent); 10331 } 10332 } 10333 10334 public final void removeActivity(PackageParser.Activity a, String type) { 10335 mActivities.remove(a.getComponentName()); 10336 if (DEBUG_SHOW_INFO) { 10337 Log.v(TAG, " " + type + " " 10338 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10339 : a.info.name) + ":"); 10340 Log.v(TAG, " Class=" + a.info.name); 10341 } 10342 final int NI = a.intents.size(); 10343 for (int j=0; j<NI; j++) { 10344 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10345 if (DEBUG_SHOW_INFO) { 10346 Log.v(TAG, " IntentFilter:"); 10347 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10348 } 10349 removeFilter(intent); 10350 } 10351 } 10352 10353 @Override 10354 protected boolean allowFilterResult( 10355 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10356 ActivityInfo filterAi = filter.activity.info; 10357 for (int i=dest.size()-1; i>=0; i--) { 10358 ActivityInfo destAi = dest.get(i).activityInfo; 10359 if (destAi.name == filterAi.name 10360 && destAi.packageName == filterAi.packageName) { 10361 return false; 10362 } 10363 } 10364 return true; 10365 } 10366 10367 @Override 10368 protected ActivityIntentInfo[] newArray(int size) { 10369 return new ActivityIntentInfo[size]; 10370 } 10371 10372 @Override 10373 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10374 if (!sUserManager.exists(userId)) return true; 10375 PackageParser.Package p = filter.activity.owner; 10376 if (p != null) { 10377 PackageSetting ps = (PackageSetting)p.mExtras; 10378 if (ps != null) { 10379 // System apps are never considered stopped for purposes of 10380 // filtering, because there may be no way for the user to 10381 // actually re-launch them. 10382 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10383 && ps.getStopped(userId); 10384 } 10385 } 10386 return false; 10387 } 10388 10389 @Override 10390 protected boolean isPackageForFilter(String packageName, 10391 PackageParser.ActivityIntentInfo info) { 10392 return packageName.equals(info.activity.owner.packageName); 10393 } 10394 10395 @Override 10396 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10397 int match, int userId) { 10398 if (!sUserManager.exists(userId)) return null; 10399 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10400 return null; 10401 } 10402 final PackageParser.Activity activity = info.activity; 10403 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10404 if (ps == null) { 10405 return null; 10406 } 10407 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10408 ps.readUserState(userId), userId); 10409 if (ai == null) { 10410 return null; 10411 } 10412 final ResolveInfo res = new ResolveInfo(); 10413 res.activityInfo = ai; 10414 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10415 res.filter = info; 10416 } 10417 if (info != null) { 10418 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10419 } 10420 res.priority = info.getPriority(); 10421 res.preferredOrder = activity.owner.mPreferredOrder; 10422 //System.out.println("Result: " + res.activityInfo.className + 10423 // " = " + res.priority); 10424 res.match = match; 10425 res.isDefault = info.hasDefault; 10426 res.labelRes = info.labelRes; 10427 res.nonLocalizedLabel = info.nonLocalizedLabel; 10428 if (userNeedsBadging(userId)) { 10429 res.noResourceId = true; 10430 } else { 10431 res.icon = info.icon; 10432 } 10433 res.iconResourceId = info.icon; 10434 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10435 return res; 10436 } 10437 10438 @Override 10439 protected void sortResults(List<ResolveInfo> results) { 10440 Collections.sort(results, mResolvePrioritySorter); 10441 } 10442 10443 @Override 10444 protected void dumpFilter(PrintWriter out, String prefix, 10445 PackageParser.ActivityIntentInfo filter) { 10446 out.print(prefix); out.print( 10447 Integer.toHexString(System.identityHashCode(filter.activity))); 10448 out.print(' '); 10449 filter.activity.printComponentShortName(out); 10450 out.print(" filter "); 10451 out.println(Integer.toHexString(System.identityHashCode(filter))); 10452 } 10453 10454 @Override 10455 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10456 return filter.activity; 10457 } 10458 10459 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10460 PackageParser.Activity activity = (PackageParser.Activity)label; 10461 out.print(prefix); out.print( 10462 Integer.toHexString(System.identityHashCode(activity))); 10463 out.print(' '); 10464 activity.printComponentShortName(out); 10465 if (count > 1) { 10466 out.print(" ("); out.print(count); out.print(" filters)"); 10467 } 10468 out.println(); 10469 } 10470 10471 // Keys are String (activity class name), values are Activity. 10472 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10473 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10474 private int mFlags; 10475 } 10476 10477 private final class ServiceIntentResolver 10478 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10479 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10480 boolean defaultOnly, int userId) { 10481 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10482 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10483 } 10484 10485 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10486 int userId) { 10487 if (!sUserManager.exists(userId)) return null; 10488 mFlags = flags; 10489 return super.queryIntent(intent, resolvedType, 10490 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10491 } 10492 10493 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10494 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10495 if (!sUserManager.exists(userId)) return null; 10496 if (packageServices == null) { 10497 return null; 10498 } 10499 mFlags = flags; 10500 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10501 final int N = packageServices.size(); 10502 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10503 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10504 10505 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10506 for (int i = 0; i < N; ++i) { 10507 intentFilters = packageServices.get(i).intents; 10508 if (intentFilters != null && intentFilters.size() > 0) { 10509 PackageParser.ServiceIntentInfo[] array = 10510 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10511 intentFilters.toArray(array); 10512 listCut.add(array); 10513 } 10514 } 10515 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10516 } 10517 10518 public final void addService(PackageParser.Service s) { 10519 mServices.put(s.getComponentName(), s); 10520 if (DEBUG_SHOW_INFO) { 10521 Log.v(TAG, " " 10522 + (s.info.nonLocalizedLabel != null 10523 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10524 Log.v(TAG, " Class=" + s.info.name); 10525 } 10526 final int NI = s.intents.size(); 10527 int j; 10528 for (j=0; j<NI; j++) { 10529 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10530 if (DEBUG_SHOW_INFO) { 10531 Log.v(TAG, " IntentFilter:"); 10532 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10533 } 10534 if (!intent.debugCheck()) { 10535 Log.w(TAG, "==> For Service " + s.info.name); 10536 } 10537 addFilter(intent); 10538 } 10539 } 10540 10541 public final void removeService(PackageParser.Service s) { 10542 mServices.remove(s.getComponentName()); 10543 if (DEBUG_SHOW_INFO) { 10544 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10545 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10546 Log.v(TAG, " Class=" + s.info.name); 10547 } 10548 final int NI = s.intents.size(); 10549 int j; 10550 for (j=0; j<NI; j++) { 10551 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10552 if (DEBUG_SHOW_INFO) { 10553 Log.v(TAG, " IntentFilter:"); 10554 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10555 } 10556 removeFilter(intent); 10557 } 10558 } 10559 10560 @Override 10561 protected boolean allowFilterResult( 10562 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10563 ServiceInfo filterSi = filter.service.info; 10564 for (int i=dest.size()-1; i>=0; i--) { 10565 ServiceInfo destAi = dest.get(i).serviceInfo; 10566 if (destAi.name == filterSi.name 10567 && destAi.packageName == filterSi.packageName) { 10568 return false; 10569 } 10570 } 10571 return true; 10572 } 10573 10574 @Override 10575 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10576 return new PackageParser.ServiceIntentInfo[size]; 10577 } 10578 10579 @Override 10580 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10581 if (!sUserManager.exists(userId)) return true; 10582 PackageParser.Package p = filter.service.owner; 10583 if (p != null) { 10584 PackageSetting ps = (PackageSetting)p.mExtras; 10585 if (ps != null) { 10586 // System apps are never considered stopped for purposes of 10587 // filtering, because there may be no way for the user to 10588 // actually re-launch them. 10589 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10590 && ps.getStopped(userId); 10591 } 10592 } 10593 return false; 10594 } 10595 10596 @Override 10597 protected boolean isPackageForFilter(String packageName, 10598 PackageParser.ServiceIntentInfo info) { 10599 return packageName.equals(info.service.owner.packageName); 10600 } 10601 10602 @Override 10603 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10604 int match, int userId) { 10605 if (!sUserManager.exists(userId)) return null; 10606 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10607 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10608 return null; 10609 } 10610 final PackageParser.Service service = info.service; 10611 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10612 if (ps == null) { 10613 return null; 10614 } 10615 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10616 ps.readUserState(userId), userId); 10617 if (si == null) { 10618 return null; 10619 } 10620 final ResolveInfo res = new ResolveInfo(); 10621 res.serviceInfo = si; 10622 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10623 res.filter = filter; 10624 } 10625 res.priority = info.getPriority(); 10626 res.preferredOrder = service.owner.mPreferredOrder; 10627 res.match = match; 10628 res.isDefault = info.hasDefault; 10629 res.labelRes = info.labelRes; 10630 res.nonLocalizedLabel = info.nonLocalizedLabel; 10631 res.icon = info.icon; 10632 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10633 return res; 10634 } 10635 10636 @Override 10637 protected void sortResults(List<ResolveInfo> results) { 10638 Collections.sort(results, mResolvePrioritySorter); 10639 } 10640 10641 @Override 10642 protected void dumpFilter(PrintWriter out, String prefix, 10643 PackageParser.ServiceIntentInfo filter) { 10644 out.print(prefix); out.print( 10645 Integer.toHexString(System.identityHashCode(filter.service))); 10646 out.print(' '); 10647 filter.service.printComponentShortName(out); 10648 out.print(" filter "); 10649 out.println(Integer.toHexString(System.identityHashCode(filter))); 10650 } 10651 10652 @Override 10653 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10654 return filter.service; 10655 } 10656 10657 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10658 PackageParser.Service service = (PackageParser.Service)label; 10659 out.print(prefix); out.print( 10660 Integer.toHexString(System.identityHashCode(service))); 10661 out.print(' '); 10662 service.printComponentShortName(out); 10663 if (count > 1) { 10664 out.print(" ("); out.print(count); out.print(" filters)"); 10665 } 10666 out.println(); 10667 } 10668 10669// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10670// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10671// final List<ResolveInfo> retList = Lists.newArrayList(); 10672// while (i.hasNext()) { 10673// final ResolveInfo resolveInfo = (ResolveInfo) i; 10674// if (isEnabledLP(resolveInfo.serviceInfo)) { 10675// retList.add(resolveInfo); 10676// } 10677// } 10678// return retList; 10679// } 10680 10681 // Keys are String (activity class name), values are Activity. 10682 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10683 = new ArrayMap<ComponentName, PackageParser.Service>(); 10684 private int mFlags; 10685 }; 10686 10687 private final class ProviderIntentResolver 10688 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10689 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10690 boolean defaultOnly, int userId) { 10691 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10692 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10693 } 10694 10695 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10696 int userId) { 10697 if (!sUserManager.exists(userId)) 10698 return null; 10699 mFlags = flags; 10700 return super.queryIntent(intent, resolvedType, 10701 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10702 } 10703 10704 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10705 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10706 if (!sUserManager.exists(userId)) 10707 return null; 10708 if (packageProviders == null) { 10709 return null; 10710 } 10711 mFlags = flags; 10712 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10713 final int N = packageProviders.size(); 10714 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10715 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10716 10717 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10718 for (int i = 0; i < N; ++i) { 10719 intentFilters = packageProviders.get(i).intents; 10720 if (intentFilters != null && intentFilters.size() > 0) { 10721 PackageParser.ProviderIntentInfo[] array = 10722 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10723 intentFilters.toArray(array); 10724 listCut.add(array); 10725 } 10726 } 10727 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10728 } 10729 10730 public final void addProvider(PackageParser.Provider p) { 10731 if (mProviders.containsKey(p.getComponentName())) { 10732 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10733 return; 10734 } 10735 10736 mProviders.put(p.getComponentName(), p); 10737 if (DEBUG_SHOW_INFO) { 10738 Log.v(TAG, " " 10739 + (p.info.nonLocalizedLabel != null 10740 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10741 Log.v(TAG, " Class=" + p.info.name); 10742 } 10743 final int NI = p.intents.size(); 10744 int j; 10745 for (j = 0; j < NI; j++) { 10746 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10747 if (DEBUG_SHOW_INFO) { 10748 Log.v(TAG, " IntentFilter:"); 10749 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10750 } 10751 if (!intent.debugCheck()) { 10752 Log.w(TAG, "==> For Provider " + p.info.name); 10753 } 10754 addFilter(intent); 10755 } 10756 } 10757 10758 public final void removeProvider(PackageParser.Provider p) { 10759 mProviders.remove(p.getComponentName()); 10760 if (DEBUG_SHOW_INFO) { 10761 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10762 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10763 Log.v(TAG, " Class=" + p.info.name); 10764 } 10765 final int NI = p.intents.size(); 10766 int j; 10767 for (j = 0; j < NI; j++) { 10768 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10769 if (DEBUG_SHOW_INFO) { 10770 Log.v(TAG, " IntentFilter:"); 10771 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10772 } 10773 removeFilter(intent); 10774 } 10775 } 10776 10777 @Override 10778 protected boolean allowFilterResult( 10779 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10780 ProviderInfo filterPi = filter.provider.info; 10781 for (int i = dest.size() - 1; i >= 0; i--) { 10782 ProviderInfo destPi = dest.get(i).providerInfo; 10783 if (destPi.name == filterPi.name 10784 && destPi.packageName == filterPi.packageName) { 10785 return false; 10786 } 10787 } 10788 return true; 10789 } 10790 10791 @Override 10792 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10793 return new PackageParser.ProviderIntentInfo[size]; 10794 } 10795 10796 @Override 10797 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10798 if (!sUserManager.exists(userId)) 10799 return true; 10800 PackageParser.Package p = filter.provider.owner; 10801 if (p != null) { 10802 PackageSetting ps = (PackageSetting) p.mExtras; 10803 if (ps != null) { 10804 // System apps are never considered stopped for purposes of 10805 // filtering, because there may be no way for the user to 10806 // actually re-launch them. 10807 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10808 && ps.getStopped(userId); 10809 } 10810 } 10811 return false; 10812 } 10813 10814 @Override 10815 protected boolean isPackageForFilter(String packageName, 10816 PackageParser.ProviderIntentInfo info) { 10817 return packageName.equals(info.provider.owner.packageName); 10818 } 10819 10820 @Override 10821 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10822 int match, int userId) { 10823 if (!sUserManager.exists(userId)) 10824 return null; 10825 final PackageParser.ProviderIntentInfo info = filter; 10826 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10827 return null; 10828 } 10829 final PackageParser.Provider provider = info.provider; 10830 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10831 if (ps == null) { 10832 return null; 10833 } 10834 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10835 ps.readUserState(userId), userId); 10836 if (pi == null) { 10837 return null; 10838 } 10839 final ResolveInfo res = new ResolveInfo(); 10840 res.providerInfo = pi; 10841 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10842 res.filter = filter; 10843 } 10844 res.priority = info.getPriority(); 10845 res.preferredOrder = provider.owner.mPreferredOrder; 10846 res.match = match; 10847 res.isDefault = info.hasDefault; 10848 res.labelRes = info.labelRes; 10849 res.nonLocalizedLabel = info.nonLocalizedLabel; 10850 res.icon = info.icon; 10851 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10852 return res; 10853 } 10854 10855 @Override 10856 protected void sortResults(List<ResolveInfo> results) { 10857 Collections.sort(results, mResolvePrioritySorter); 10858 } 10859 10860 @Override 10861 protected void dumpFilter(PrintWriter out, String prefix, 10862 PackageParser.ProviderIntentInfo filter) { 10863 out.print(prefix); 10864 out.print( 10865 Integer.toHexString(System.identityHashCode(filter.provider))); 10866 out.print(' '); 10867 filter.provider.printComponentShortName(out); 10868 out.print(" filter "); 10869 out.println(Integer.toHexString(System.identityHashCode(filter))); 10870 } 10871 10872 @Override 10873 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10874 return filter.provider; 10875 } 10876 10877 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10878 PackageParser.Provider provider = (PackageParser.Provider)label; 10879 out.print(prefix); out.print( 10880 Integer.toHexString(System.identityHashCode(provider))); 10881 out.print(' '); 10882 provider.printComponentShortName(out); 10883 if (count > 1) { 10884 out.print(" ("); out.print(count); out.print(" filters)"); 10885 } 10886 out.println(); 10887 } 10888 10889 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10890 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10891 private int mFlags; 10892 } 10893 10894 private static final class EphemeralIntentResolver 10895 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10896 @Override 10897 protected EphemeralResolveIntentInfo[] newArray(int size) { 10898 return new EphemeralResolveIntentInfo[size]; 10899 } 10900 10901 @Override 10902 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10903 return true; 10904 } 10905 10906 @Override 10907 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10908 int userId) { 10909 if (!sUserManager.exists(userId)) { 10910 return null; 10911 } 10912 return info.getEphemeralResolveInfo(); 10913 } 10914 } 10915 10916 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10917 new Comparator<ResolveInfo>() { 10918 public int compare(ResolveInfo r1, ResolveInfo r2) { 10919 int v1 = r1.priority; 10920 int v2 = r2.priority; 10921 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10922 if (v1 != v2) { 10923 return (v1 > v2) ? -1 : 1; 10924 } 10925 v1 = r1.preferredOrder; 10926 v2 = r2.preferredOrder; 10927 if (v1 != v2) { 10928 return (v1 > v2) ? -1 : 1; 10929 } 10930 if (r1.isDefault != r2.isDefault) { 10931 return r1.isDefault ? -1 : 1; 10932 } 10933 v1 = r1.match; 10934 v2 = r2.match; 10935 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10936 if (v1 != v2) { 10937 return (v1 > v2) ? -1 : 1; 10938 } 10939 if (r1.system != r2.system) { 10940 return r1.system ? -1 : 1; 10941 } 10942 if (r1.activityInfo != null) { 10943 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10944 } 10945 if (r1.serviceInfo != null) { 10946 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10947 } 10948 if (r1.providerInfo != null) { 10949 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10950 } 10951 return 0; 10952 } 10953 }; 10954 10955 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10956 new Comparator<ProviderInfo>() { 10957 public int compare(ProviderInfo p1, ProviderInfo p2) { 10958 final int v1 = p1.initOrder; 10959 final int v2 = p2.initOrder; 10960 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10961 } 10962 }; 10963 10964 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10965 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10966 final int[] userIds) { 10967 mHandler.post(new Runnable() { 10968 @Override 10969 public void run() { 10970 try { 10971 final IActivityManager am = ActivityManagerNative.getDefault(); 10972 if (am == null) return; 10973 final int[] resolvedUserIds; 10974 if (userIds == null) { 10975 resolvedUserIds = am.getRunningUserIds(); 10976 } else { 10977 resolvedUserIds = userIds; 10978 } 10979 for (int id : resolvedUserIds) { 10980 final Intent intent = new Intent(action, 10981 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10982 if (extras != null) { 10983 intent.putExtras(extras); 10984 } 10985 if (targetPkg != null) { 10986 intent.setPackage(targetPkg); 10987 } 10988 // Modify the UID when posting to other users 10989 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10990 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10991 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10992 intent.putExtra(Intent.EXTRA_UID, uid); 10993 } 10994 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10995 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10996 if (DEBUG_BROADCASTS) { 10997 RuntimeException here = new RuntimeException("here"); 10998 here.fillInStackTrace(); 10999 Slog.d(TAG, "Sending to user " + id + ": " 11000 + intent.toShortString(false, true, false, false) 11001 + " " + intent.getExtras(), here); 11002 } 11003 am.broadcastIntent(null, intent, null, finishedReceiver, 11004 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11005 null, finishedReceiver != null, false, id); 11006 } 11007 } catch (RemoteException ex) { 11008 } 11009 } 11010 }); 11011 } 11012 11013 /** 11014 * Check if the external storage media is available. This is true if there 11015 * is a mounted external storage medium or if the external storage is 11016 * emulated. 11017 */ 11018 private boolean isExternalMediaAvailable() { 11019 return mMediaMounted || Environment.isExternalStorageEmulated(); 11020 } 11021 11022 @Override 11023 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11024 // writer 11025 synchronized (mPackages) { 11026 if (!isExternalMediaAvailable()) { 11027 // If the external storage is no longer mounted at this point, 11028 // the caller may not have been able to delete all of this 11029 // packages files and can not delete any more. Bail. 11030 return null; 11031 } 11032 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11033 if (lastPackage != null) { 11034 pkgs.remove(lastPackage); 11035 } 11036 if (pkgs.size() > 0) { 11037 return pkgs.get(0); 11038 } 11039 } 11040 return null; 11041 } 11042 11043 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11044 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11045 userId, andCode ? 1 : 0, packageName); 11046 if (mSystemReady) { 11047 msg.sendToTarget(); 11048 } else { 11049 if (mPostSystemReadyMessages == null) { 11050 mPostSystemReadyMessages = new ArrayList<>(); 11051 } 11052 mPostSystemReadyMessages.add(msg); 11053 } 11054 } 11055 11056 void startCleaningPackages() { 11057 // reader 11058 if (!isExternalMediaAvailable()) { 11059 return; 11060 } 11061 synchronized (mPackages) { 11062 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11063 return; 11064 } 11065 } 11066 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11067 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11068 IActivityManager am = ActivityManagerNative.getDefault(); 11069 if (am != null) { 11070 try { 11071 am.startService(null, intent, null, mContext.getOpPackageName(), 11072 UserHandle.USER_SYSTEM); 11073 } catch (RemoteException e) { 11074 } 11075 } 11076 } 11077 11078 @Override 11079 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11080 int installFlags, String installerPackageName, int userId) { 11081 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11082 11083 final int callingUid = Binder.getCallingUid(); 11084 enforceCrossUserPermission(callingUid, userId, 11085 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11086 11087 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11088 try { 11089 if (observer != null) { 11090 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11091 } 11092 } catch (RemoteException re) { 11093 } 11094 return; 11095 } 11096 11097 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11098 installFlags |= PackageManager.INSTALL_FROM_ADB; 11099 11100 } else { 11101 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11102 // about installerPackageName. 11103 11104 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11105 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11106 } 11107 11108 UserHandle user; 11109 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11110 user = UserHandle.ALL; 11111 } else { 11112 user = new UserHandle(userId); 11113 } 11114 11115 // Only system components can circumvent runtime permissions when installing. 11116 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11117 && mContext.checkCallingOrSelfPermission(Manifest.permission 11118 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11119 throw new SecurityException("You need the " 11120 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11121 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11122 } 11123 11124 final File originFile = new File(originPath); 11125 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11126 11127 final Message msg = mHandler.obtainMessage(INIT_COPY); 11128 final VerificationInfo verificationInfo = new VerificationInfo( 11129 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11130 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11131 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11132 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11133 null /*certificates*/); 11134 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11135 msg.obj = params; 11136 11137 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11138 System.identityHashCode(msg.obj)); 11139 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11140 System.identityHashCode(msg.obj)); 11141 11142 mHandler.sendMessage(msg); 11143 } 11144 11145 void installStage(String packageName, File stagedDir, String stagedCid, 11146 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11147 String installerPackageName, int installerUid, UserHandle user, 11148 Certificate[][] certificates) { 11149 if (DEBUG_EPHEMERAL) { 11150 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11151 Slog.d(TAG, "Ephemeral install of " + packageName); 11152 } 11153 } 11154 final VerificationInfo verificationInfo = new VerificationInfo( 11155 sessionParams.originatingUri, sessionParams.referrerUri, 11156 sessionParams.originatingUid, installerUid); 11157 11158 final OriginInfo origin; 11159 if (stagedDir != null) { 11160 origin = OriginInfo.fromStagedFile(stagedDir); 11161 } else { 11162 origin = OriginInfo.fromStagedContainer(stagedCid); 11163 } 11164 11165 final Message msg = mHandler.obtainMessage(INIT_COPY); 11166 final InstallParams params = new InstallParams(origin, null, observer, 11167 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11168 verificationInfo, user, sessionParams.abiOverride, 11169 sessionParams.grantedRuntimePermissions, certificates); 11170 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11171 msg.obj = params; 11172 11173 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11174 System.identityHashCode(msg.obj)); 11175 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11176 System.identityHashCode(msg.obj)); 11177 11178 mHandler.sendMessage(msg); 11179 } 11180 11181 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11182 int userId) { 11183 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11184 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11185 } 11186 11187 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11188 int appId, int userId) { 11189 Bundle extras = new Bundle(1); 11190 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11191 11192 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11193 packageName, extras, 0, null, null, new int[] {userId}); 11194 try { 11195 IActivityManager am = ActivityManagerNative.getDefault(); 11196 if (isSystem && am.isUserRunning(userId, 0)) { 11197 // The just-installed/enabled app is bundled on the system, so presumed 11198 // to be able to run automatically without needing an explicit launch. 11199 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11200 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11201 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11202 .setPackage(packageName); 11203 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11204 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11205 } 11206 } catch (RemoteException e) { 11207 // shouldn't happen 11208 Slog.w(TAG, "Unable to bootstrap installed package", e); 11209 } 11210 } 11211 11212 @Override 11213 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11214 int userId) { 11215 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11216 PackageSetting pkgSetting; 11217 final int uid = Binder.getCallingUid(); 11218 enforceCrossUserPermission(uid, userId, 11219 true /* requireFullPermission */, true /* checkShell */, 11220 "setApplicationHiddenSetting for user " + userId); 11221 11222 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11223 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11224 return false; 11225 } 11226 11227 long callingId = Binder.clearCallingIdentity(); 11228 try { 11229 boolean sendAdded = false; 11230 boolean sendRemoved = false; 11231 // writer 11232 synchronized (mPackages) { 11233 pkgSetting = mSettings.mPackages.get(packageName); 11234 if (pkgSetting == null) { 11235 return false; 11236 } 11237 if (pkgSetting.getHidden(userId) != hidden) { 11238 pkgSetting.setHidden(hidden, userId); 11239 mSettings.writePackageRestrictionsLPr(userId); 11240 if (hidden) { 11241 sendRemoved = true; 11242 } else { 11243 sendAdded = true; 11244 } 11245 } 11246 } 11247 if (sendAdded) { 11248 sendPackageAddedForUser(packageName, pkgSetting, userId); 11249 return true; 11250 } 11251 if (sendRemoved) { 11252 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11253 "hiding pkg"); 11254 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11255 return true; 11256 } 11257 } finally { 11258 Binder.restoreCallingIdentity(callingId); 11259 } 11260 return false; 11261 } 11262 11263 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11264 int userId) { 11265 final PackageRemovedInfo info = new PackageRemovedInfo(); 11266 info.removedPackage = packageName; 11267 info.removedUsers = new int[] {userId}; 11268 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11269 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11270 } 11271 11272 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11273 if (pkgList.length > 0) { 11274 Bundle extras = new Bundle(1); 11275 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11276 11277 sendPackageBroadcast( 11278 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11279 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11280 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11281 new int[] {userId}); 11282 } 11283 } 11284 11285 /** 11286 * Returns true if application is not found or there was an error. Otherwise it returns 11287 * the hidden state of the package for the given user. 11288 */ 11289 @Override 11290 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11291 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11292 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11293 true /* requireFullPermission */, false /* checkShell */, 11294 "getApplicationHidden for user " + userId); 11295 PackageSetting pkgSetting; 11296 long callingId = Binder.clearCallingIdentity(); 11297 try { 11298 // writer 11299 synchronized (mPackages) { 11300 pkgSetting = mSettings.mPackages.get(packageName); 11301 if (pkgSetting == null) { 11302 return true; 11303 } 11304 return pkgSetting.getHidden(userId); 11305 } 11306 } finally { 11307 Binder.restoreCallingIdentity(callingId); 11308 } 11309 } 11310 11311 /** 11312 * @hide 11313 */ 11314 @Override 11315 public int installExistingPackageAsUser(String packageName, int userId) { 11316 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11317 null); 11318 PackageSetting pkgSetting; 11319 final int uid = Binder.getCallingUid(); 11320 enforceCrossUserPermission(uid, userId, 11321 true /* requireFullPermission */, true /* checkShell */, 11322 "installExistingPackage for user " + userId); 11323 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11324 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11325 } 11326 11327 long callingId = Binder.clearCallingIdentity(); 11328 try { 11329 boolean installed = false; 11330 11331 // writer 11332 synchronized (mPackages) { 11333 pkgSetting = mSettings.mPackages.get(packageName); 11334 if (pkgSetting == null) { 11335 return PackageManager.INSTALL_FAILED_INVALID_URI; 11336 } 11337 if (!pkgSetting.getInstalled(userId)) { 11338 pkgSetting.setInstalled(true, userId); 11339 pkgSetting.setHidden(false, userId); 11340 mSettings.writePackageRestrictionsLPr(userId); 11341 installed = true; 11342 } 11343 } 11344 11345 if (installed) { 11346 if (pkgSetting.pkg != null) { 11347 synchronized (mInstallLock) { 11348 // We don't need to freeze for a brand new install 11349 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11350 } 11351 } 11352 sendPackageAddedForUser(packageName, pkgSetting, userId); 11353 } 11354 } finally { 11355 Binder.restoreCallingIdentity(callingId); 11356 } 11357 11358 return PackageManager.INSTALL_SUCCEEDED; 11359 } 11360 11361 boolean isUserRestricted(int userId, String restrictionKey) { 11362 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11363 if (restrictions.getBoolean(restrictionKey, false)) { 11364 Log.w(TAG, "User is restricted: " + restrictionKey); 11365 return true; 11366 } 11367 return false; 11368 } 11369 11370 @Override 11371 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11372 int userId) { 11373 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11374 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11375 true /* requireFullPermission */, true /* checkShell */, 11376 "setPackagesSuspended for user " + userId); 11377 11378 if (ArrayUtils.isEmpty(packageNames)) { 11379 return packageNames; 11380 } 11381 11382 // List of package names for whom the suspended state has changed. 11383 List<String> changedPackages = new ArrayList<>(packageNames.length); 11384 // List of package names for whom the suspended state is not set as requested in this 11385 // method. 11386 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11387 for (int i = 0; i < packageNames.length; i++) { 11388 String packageName = packageNames[i]; 11389 long callingId = Binder.clearCallingIdentity(); 11390 try { 11391 boolean changed = false; 11392 final int appId; 11393 synchronized (mPackages) { 11394 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11395 if (pkgSetting == null) { 11396 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11397 + "\". Skipping suspending/un-suspending."); 11398 unactionedPackages.add(packageName); 11399 continue; 11400 } 11401 appId = pkgSetting.appId; 11402 if (pkgSetting.getSuspended(userId) != suspended) { 11403 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11404 unactionedPackages.add(packageName); 11405 continue; 11406 } 11407 pkgSetting.setSuspended(suspended, userId); 11408 mSettings.writePackageRestrictionsLPr(userId); 11409 changed = true; 11410 changedPackages.add(packageName); 11411 } 11412 } 11413 11414 if (changed && suspended) { 11415 killApplication(packageName, UserHandle.getUid(userId, appId), 11416 "suspending package"); 11417 } 11418 } finally { 11419 Binder.restoreCallingIdentity(callingId); 11420 } 11421 } 11422 11423 if (!changedPackages.isEmpty()) { 11424 sendPackagesSuspendedForUser(changedPackages.toArray( 11425 new String[changedPackages.size()]), userId, suspended); 11426 } 11427 11428 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11429 } 11430 11431 @Override 11432 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11433 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11434 true /* requireFullPermission */, false /* checkShell */, 11435 "isPackageSuspendedForUser for user " + userId); 11436 synchronized (mPackages) { 11437 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11438 if (pkgSetting == null) { 11439 throw new IllegalArgumentException("Unknown target package: " + packageName); 11440 } 11441 return pkgSetting.getSuspended(userId); 11442 } 11443 } 11444 11445 /** 11446 * TODO: cache and disallow blocking the active dialer. 11447 * 11448 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11449 */ 11450 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11451 if (isPackageDeviceAdmin(packageName, userId)) { 11452 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11453 + "\": has an active device admin"); 11454 return false; 11455 } 11456 11457 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11458 if (packageName.equals(activeLauncherPackageName)) { 11459 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11460 + "\": contains the active launcher"); 11461 return false; 11462 } 11463 11464 if (packageName.equals(mRequiredInstallerPackage)) { 11465 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11466 + "\": required for package installation"); 11467 return false; 11468 } 11469 11470 if (packageName.equals(mRequiredVerifierPackage)) { 11471 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11472 + "\": required for package verification"); 11473 return false; 11474 } 11475 11476 final PackageParser.Package pkg = mPackages.get(packageName); 11477 if (pkg != null && isPrivilegedApp(pkg)) { 11478 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11479 + "\": is a privileged app"); 11480 return false; 11481 } 11482 11483 return true; 11484 } 11485 11486 private String getActiveLauncherPackageName(int userId) { 11487 Intent intent = new Intent(Intent.ACTION_MAIN); 11488 intent.addCategory(Intent.CATEGORY_HOME); 11489 ResolveInfo resolveInfo = resolveIntent( 11490 intent, 11491 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11492 PackageManager.MATCH_DEFAULT_ONLY, 11493 userId); 11494 11495 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11496 } 11497 11498 @Override 11499 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11500 mContext.enforceCallingOrSelfPermission( 11501 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11502 "Only package verification agents can verify applications"); 11503 11504 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11505 final PackageVerificationResponse response = new PackageVerificationResponse( 11506 verificationCode, Binder.getCallingUid()); 11507 msg.arg1 = id; 11508 msg.obj = response; 11509 mHandler.sendMessage(msg); 11510 } 11511 11512 @Override 11513 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11514 long millisecondsToDelay) { 11515 mContext.enforceCallingOrSelfPermission( 11516 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11517 "Only package verification agents can extend verification timeouts"); 11518 11519 final PackageVerificationState state = mPendingVerification.get(id); 11520 final PackageVerificationResponse response = new PackageVerificationResponse( 11521 verificationCodeAtTimeout, Binder.getCallingUid()); 11522 11523 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11524 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11525 } 11526 if (millisecondsToDelay < 0) { 11527 millisecondsToDelay = 0; 11528 } 11529 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11530 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11531 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11532 } 11533 11534 if ((state != null) && !state.timeoutExtended()) { 11535 state.extendTimeout(); 11536 11537 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11538 msg.arg1 = id; 11539 msg.obj = response; 11540 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11541 } 11542 } 11543 11544 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11545 int verificationCode, UserHandle user) { 11546 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11547 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11548 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11549 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11550 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11551 11552 mContext.sendBroadcastAsUser(intent, user, 11553 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11554 } 11555 11556 private ComponentName matchComponentForVerifier(String packageName, 11557 List<ResolveInfo> receivers) { 11558 ActivityInfo targetReceiver = null; 11559 11560 final int NR = receivers.size(); 11561 for (int i = 0; i < NR; i++) { 11562 final ResolveInfo info = receivers.get(i); 11563 if (info.activityInfo == null) { 11564 continue; 11565 } 11566 11567 if (packageName.equals(info.activityInfo.packageName)) { 11568 targetReceiver = info.activityInfo; 11569 break; 11570 } 11571 } 11572 11573 if (targetReceiver == null) { 11574 return null; 11575 } 11576 11577 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11578 } 11579 11580 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11581 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11582 if (pkgInfo.verifiers.length == 0) { 11583 return null; 11584 } 11585 11586 final int N = pkgInfo.verifiers.length; 11587 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11588 for (int i = 0; i < N; i++) { 11589 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11590 11591 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11592 receivers); 11593 if (comp == null) { 11594 continue; 11595 } 11596 11597 final int verifierUid = getUidForVerifier(verifierInfo); 11598 if (verifierUid == -1) { 11599 continue; 11600 } 11601 11602 if (DEBUG_VERIFY) { 11603 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11604 + " with the correct signature"); 11605 } 11606 sufficientVerifiers.add(comp); 11607 verificationState.addSufficientVerifier(verifierUid); 11608 } 11609 11610 return sufficientVerifiers; 11611 } 11612 11613 private int getUidForVerifier(VerifierInfo verifierInfo) { 11614 synchronized (mPackages) { 11615 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11616 if (pkg == null) { 11617 return -1; 11618 } else if (pkg.mSignatures.length != 1) { 11619 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11620 + " has more than one signature; ignoring"); 11621 return -1; 11622 } 11623 11624 /* 11625 * If the public key of the package's signature does not match 11626 * our expected public key, then this is a different package and 11627 * we should skip. 11628 */ 11629 11630 final byte[] expectedPublicKey; 11631 try { 11632 final Signature verifierSig = pkg.mSignatures[0]; 11633 final PublicKey publicKey = verifierSig.getPublicKey(); 11634 expectedPublicKey = publicKey.getEncoded(); 11635 } catch (CertificateException e) { 11636 return -1; 11637 } 11638 11639 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11640 11641 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11642 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11643 + " does not have the expected public key; ignoring"); 11644 return -1; 11645 } 11646 11647 return pkg.applicationInfo.uid; 11648 } 11649 } 11650 11651 @Override 11652 public void finishPackageInstall(int token) { 11653 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11654 11655 if (DEBUG_INSTALL) { 11656 Slog.v(TAG, "BM finishing package install for " + token); 11657 } 11658 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11659 11660 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11661 mHandler.sendMessage(msg); 11662 } 11663 11664 /** 11665 * Get the verification agent timeout. 11666 * 11667 * @return verification timeout in milliseconds 11668 */ 11669 private long getVerificationTimeout() { 11670 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11671 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11672 DEFAULT_VERIFICATION_TIMEOUT); 11673 } 11674 11675 /** 11676 * Get the default verification agent response code. 11677 * 11678 * @return default verification response code 11679 */ 11680 private int getDefaultVerificationResponse() { 11681 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11682 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11683 DEFAULT_VERIFICATION_RESPONSE); 11684 } 11685 11686 /** 11687 * Check whether or not package verification has been enabled. 11688 * 11689 * @return true if verification should be performed 11690 */ 11691 private boolean isVerificationEnabled(int userId, int installFlags) { 11692 if (!DEFAULT_VERIFY_ENABLE) { 11693 return false; 11694 } 11695 // Ephemeral apps don't get the full verification treatment 11696 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11697 if (DEBUG_EPHEMERAL) { 11698 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11699 } 11700 return false; 11701 } 11702 11703 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11704 11705 // Check if installing from ADB 11706 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11707 // Do not run verification in a test harness environment 11708 if (ActivityManager.isRunningInTestHarness()) { 11709 return false; 11710 } 11711 if (ensureVerifyAppsEnabled) { 11712 return true; 11713 } 11714 // Check if the developer does not want package verification for ADB installs 11715 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11716 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11717 return false; 11718 } 11719 } 11720 11721 if (ensureVerifyAppsEnabled) { 11722 return true; 11723 } 11724 11725 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11726 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11727 } 11728 11729 @Override 11730 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11731 throws RemoteException { 11732 mContext.enforceCallingOrSelfPermission( 11733 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11734 "Only intentfilter verification agents can verify applications"); 11735 11736 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11737 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11738 Binder.getCallingUid(), verificationCode, failedDomains); 11739 msg.arg1 = id; 11740 msg.obj = response; 11741 mHandler.sendMessage(msg); 11742 } 11743 11744 @Override 11745 public int getIntentVerificationStatus(String packageName, int userId) { 11746 synchronized (mPackages) { 11747 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11748 } 11749 } 11750 11751 @Override 11752 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11753 mContext.enforceCallingOrSelfPermission( 11754 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11755 11756 boolean result = false; 11757 synchronized (mPackages) { 11758 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11759 } 11760 if (result) { 11761 scheduleWritePackageRestrictionsLocked(userId); 11762 } 11763 return result; 11764 } 11765 11766 @Override 11767 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11768 String packageName) { 11769 synchronized (mPackages) { 11770 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11771 } 11772 } 11773 11774 @Override 11775 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11776 if (TextUtils.isEmpty(packageName)) { 11777 return ParceledListSlice.emptyList(); 11778 } 11779 synchronized (mPackages) { 11780 PackageParser.Package pkg = mPackages.get(packageName); 11781 if (pkg == null || pkg.activities == null) { 11782 return ParceledListSlice.emptyList(); 11783 } 11784 final int count = pkg.activities.size(); 11785 ArrayList<IntentFilter> result = new ArrayList<>(); 11786 for (int n=0; n<count; n++) { 11787 PackageParser.Activity activity = pkg.activities.get(n); 11788 if (activity.intents != null && activity.intents.size() > 0) { 11789 result.addAll(activity.intents); 11790 } 11791 } 11792 return new ParceledListSlice<>(result); 11793 } 11794 } 11795 11796 @Override 11797 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11798 mContext.enforceCallingOrSelfPermission( 11799 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11800 11801 synchronized (mPackages) { 11802 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11803 if (packageName != null) { 11804 result |= updateIntentVerificationStatus(packageName, 11805 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11806 userId); 11807 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11808 packageName, userId); 11809 } 11810 return result; 11811 } 11812 } 11813 11814 @Override 11815 public String getDefaultBrowserPackageName(int userId) { 11816 synchronized (mPackages) { 11817 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11818 } 11819 } 11820 11821 /** 11822 * Get the "allow unknown sources" setting. 11823 * 11824 * @return the current "allow unknown sources" setting 11825 */ 11826 private int getUnknownSourcesSettings() { 11827 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11828 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11829 -1); 11830 } 11831 11832 @Override 11833 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11834 final int uid = Binder.getCallingUid(); 11835 // writer 11836 synchronized (mPackages) { 11837 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11838 if (targetPackageSetting == null) { 11839 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11840 } 11841 11842 PackageSetting installerPackageSetting; 11843 if (installerPackageName != null) { 11844 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11845 if (installerPackageSetting == null) { 11846 throw new IllegalArgumentException("Unknown installer package: " 11847 + installerPackageName); 11848 } 11849 } else { 11850 installerPackageSetting = null; 11851 } 11852 11853 Signature[] callerSignature; 11854 Object obj = mSettings.getUserIdLPr(uid); 11855 if (obj != null) { 11856 if (obj instanceof SharedUserSetting) { 11857 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11858 } else if (obj instanceof PackageSetting) { 11859 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11860 } else { 11861 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11862 } 11863 } else { 11864 throw new SecurityException("Unknown calling UID: " + uid); 11865 } 11866 11867 // Verify: can't set installerPackageName to a package that is 11868 // not signed with the same cert as the caller. 11869 if (installerPackageSetting != null) { 11870 if (compareSignatures(callerSignature, 11871 installerPackageSetting.signatures.mSignatures) 11872 != PackageManager.SIGNATURE_MATCH) { 11873 throw new SecurityException( 11874 "Caller does not have same cert as new installer package " 11875 + installerPackageName); 11876 } 11877 } 11878 11879 // Verify: if target already has an installer package, it must 11880 // be signed with the same cert as the caller. 11881 if (targetPackageSetting.installerPackageName != null) { 11882 PackageSetting setting = mSettings.mPackages.get( 11883 targetPackageSetting.installerPackageName); 11884 // If the currently set package isn't valid, then it's always 11885 // okay to change it. 11886 if (setting != null) { 11887 if (compareSignatures(callerSignature, 11888 setting.signatures.mSignatures) 11889 != PackageManager.SIGNATURE_MATCH) { 11890 throw new SecurityException( 11891 "Caller does not have same cert as old installer package " 11892 + targetPackageSetting.installerPackageName); 11893 } 11894 } 11895 } 11896 11897 // Okay! 11898 targetPackageSetting.installerPackageName = installerPackageName; 11899 if (installerPackageName != null) { 11900 mSettings.mInstallerPackages.add(installerPackageName); 11901 } 11902 scheduleWriteSettingsLocked(); 11903 } 11904 } 11905 11906 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11907 // Queue up an async operation since the package installation may take a little while. 11908 mHandler.post(new Runnable() { 11909 public void run() { 11910 mHandler.removeCallbacks(this); 11911 // Result object to be returned 11912 PackageInstalledInfo res = new PackageInstalledInfo(); 11913 res.setReturnCode(currentStatus); 11914 res.uid = -1; 11915 res.pkg = null; 11916 res.removedInfo = null; 11917 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11918 args.doPreInstall(res.returnCode); 11919 synchronized (mInstallLock) { 11920 installPackageTracedLI(args, res); 11921 } 11922 args.doPostInstall(res.returnCode, res.uid); 11923 } 11924 11925 // A restore should be performed at this point if (a) the install 11926 // succeeded, (b) the operation is not an update, and (c) the new 11927 // package has not opted out of backup participation. 11928 final boolean update = res.removedInfo != null 11929 && res.removedInfo.removedPackage != null; 11930 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11931 boolean doRestore = !update 11932 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11933 11934 // Set up the post-install work request bookkeeping. This will be used 11935 // and cleaned up by the post-install event handling regardless of whether 11936 // there's a restore pass performed. Token values are >= 1. 11937 int token; 11938 if (mNextInstallToken < 0) mNextInstallToken = 1; 11939 token = mNextInstallToken++; 11940 11941 PostInstallData data = new PostInstallData(args, res); 11942 mRunningInstalls.put(token, data); 11943 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11944 11945 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11946 // Pass responsibility to the Backup Manager. It will perform a 11947 // restore if appropriate, then pass responsibility back to the 11948 // Package Manager to run the post-install observer callbacks 11949 // and broadcasts. 11950 IBackupManager bm = IBackupManager.Stub.asInterface( 11951 ServiceManager.getService(Context.BACKUP_SERVICE)); 11952 if (bm != null) { 11953 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11954 + " to BM for possible restore"); 11955 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11956 try { 11957 // TODO: http://b/22388012 11958 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11959 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11960 } else { 11961 doRestore = false; 11962 } 11963 } catch (RemoteException e) { 11964 // can't happen; the backup manager is local 11965 } catch (Exception e) { 11966 Slog.e(TAG, "Exception trying to enqueue restore", e); 11967 doRestore = false; 11968 } 11969 } else { 11970 Slog.e(TAG, "Backup Manager not found!"); 11971 doRestore = false; 11972 } 11973 } 11974 11975 if (!doRestore) { 11976 // No restore possible, or the Backup Manager was mysteriously not 11977 // available -- just fire the post-install work request directly. 11978 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11979 11980 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11981 11982 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11983 mHandler.sendMessage(msg); 11984 } 11985 } 11986 }); 11987 } 11988 11989 private abstract class HandlerParams { 11990 private static final int MAX_RETRIES = 4; 11991 11992 /** 11993 * Number of times startCopy() has been attempted and had a non-fatal 11994 * error. 11995 */ 11996 private int mRetries = 0; 11997 11998 /** User handle for the user requesting the information or installation. */ 11999 private final UserHandle mUser; 12000 String traceMethod; 12001 int traceCookie; 12002 12003 HandlerParams(UserHandle user) { 12004 mUser = user; 12005 } 12006 12007 UserHandle getUser() { 12008 return mUser; 12009 } 12010 12011 HandlerParams setTraceMethod(String traceMethod) { 12012 this.traceMethod = traceMethod; 12013 return this; 12014 } 12015 12016 HandlerParams setTraceCookie(int traceCookie) { 12017 this.traceCookie = traceCookie; 12018 return this; 12019 } 12020 12021 final boolean startCopy() { 12022 boolean res; 12023 try { 12024 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12025 12026 if (++mRetries > MAX_RETRIES) { 12027 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12028 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12029 handleServiceError(); 12030 return false; 12031 } else { 12032 handleStartCopy(); 12033 res = true; 12034 } 12035 } catch (RemoteException e) { 12036 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12037 mHandler.sendEmptyMessage(MCS_RECONNECT); 12038 res = false; 12039 } 12040 handleReturnCode(); 12041 return res; 12042 } 12043 12044 final void serviceError() { 12045 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12046 handleServiceError(); 12047 handleReturnCode(); 12048 } 12049 12050 abstract void handleStartCopy() throws RemoteException; 12051 abstract void handleServiceError(); 12052 abstract void handleReturnCode(); 12053 } 12054 12055 class MeasureParams extends HandlerParams { 12056 private final PackageStats mStats; 12057 private boolean mSuccess; 12058 12059 private final IPackageStatsObserver mObserver; 12060 12061 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12062 super(new UserHandle(stats.userHandle)); 12063 mObserver = observer; 12064 mStats = stats; 12065 } 12066 12067 @Override 12068 public String toString() { 12069 return "MeasureParams{" 12070 + Integer.toHexString(System.identityHashCode(this)) 12071 + " " + mStats.packageName + "}"; 12072 } 12073 12074 @Override 12075 void handleStartCopy() throws RemoteException { 12076 synchronized (mInstallLock) { 12077 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12078 } 12079 12080 if (mSuccess) { 12081 final boolean mounted; 12082 if (Environment.isExternalStorageEmulated()) { 12083 mounted = true; 12084 } else { 12085 final String status = Environment.getExternalStorageState(); 12086 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12087 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12088 } 12089 12090 if (mounted) { 12091 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12092 12093 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12094 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12095 12096 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12097 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12098 12099 // Always subtract cache size, since it's a subdirectory 12100 mStats.externalDataSize -= mStats.externalCacheSize; 12101 12102 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12103 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12104 12105 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12106 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12107 } 12108 } 12109 } 12110 12111 @Override 12112 void handleReturnCode() { 12113 if (mObserver != null) { 12114 try { 12115 mObserver.onGetStatsCompleted(mStats, mSuccess); 12116 } catch (RemoteException e) { 12117 Slog.i(TAG, "Observer no longer exists."); 12118 } 12119 } 12120 } 12121 12122 @Override 12123 void handleServiceError() { 12124 Slog.e(TAG, "Could not measure application " + mStats.packageName 12125 + " external storage"); 12126 } 12127 } 12128 12129 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12130 throws RemoteException { 12131 long result = 0; 12132 for (File path : paths) { 12133 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12134 } 12135 return result; 12136 } 12137 12138 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12139 for (File path : paths) { 12140 try { 12141 mcs.clearDirectory(path.getAbsolutePath()); 12142 } catch (RemoteException e) { 12143 } 12144 } 12145 } 12146 12147 static class OriginInfo { 12148 /** 12149 * Location where install is coming from, before it has been 12150 * copied/renamed into place. This could be a single monolithic APK 12151 * file, or a cluster directory. This location may be untrusted. 12152 */ 12153 final File file; 12154 final String cid; 12155 12156 /** 12157 * Flag indicating that {@link #file} or {@link #cid} has already been 12158 * staged, meaning downstream users don't need to defensively copy the 12159 * contents. 12160 */ 12161 final boolean staged; 12162 12163 /** 12164 * Flag indicating that {@link #file} or {@link #cid} is an already 12165 * installed app that is being moved. 12166 */ 12167 final boolean existing; 12168 12169 final String resolvedPath; 12170 final File resolvedFile; 12171 12172 static OriginInfo fromNothing() { 12173 return new OriginInfo(null, null, false, false); 12174 } 12175 12176 static OriginInfo fromUntrustedFile(File file) { 12177 return new OriginInfo(file, null, false, false); 12178 } 12179 12180 static OriginInfo fromExistingFile(File file) { 12181 return new OriginInfo(file, null, false, true); 12182 } 12183 12184 static OriginInfo fromStagedFile(File file) { 12185 return new OriginInfo(file, null, true, false); 12186 } 12187 12188 static OriginInfo fromStagedContainer(String cid) { 12189 return new OriginInfo(null, cid, true, false); 12190 } 12191 12192 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12193 this.file = file; 12194 this.cid = cid; 12195 this.staged = staged; 12196 this.existing = existing; 12197 12198 if (cid != null) { 12199 resolvedPath = PackageHelper.getSdDir(cid); 12200 resolvedFile = new File(resolvedPath); 12201 } else if (file != null) { 12202 resolvedPath = file.getAbsolutePath(); 12203 resolvedFile = file; 12204 } else { 12205 resolvedPath = null; 12206 resolvedFile = null; 12207 } 12208 } 12209 } 12210 12211 static class MoveInfo { 12212 final int moveId; 12213 final String fromUuid; 12214 final String toUuid; 12215 final String packageName; 12216 final String dataAppName; 12217 final int appId; 12218 final String seinfo; 12219 final int targetSdkVersion; 12220 12221 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12222 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12223 this.moveId = moveId; 12224 this.fromUuid = fromUuid; 12225 this.toUuid = toUuid; 12226 this.packageName = packageName; 12227 this.dataAppName = dataAppName; 12228 this.appId = appId; 12229 this.seinfo = seinfo; 12230 this.targetSdkVersion = targetSdkVersion; 12231 } 12232 } 12233 12234 static class VerificationInfo { 12235 /** A constant used to indicate that a uid value is not present. */ 12236 public static final int NO_UID = -1; 12237 12238 /** URI referencing where the package was downloaded from. */ 12239 final Uri originatingUri; 12240 12241 /** HTTP referrer URI associated with the originatingURI. */ 12242 final Uri referrer; 12243 12244 /** UID of the application that the install request originated from. */ 12245 final int originatingUid; 12246 12247 /** UID of application requesting the install */ 12248 final int installerUid; 12249 12250 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12251 this.originatingUri = originatingUri; 12252 this.referrer = referrer; 12253 this.originatingUid = originatingUid; 12254 this.installerUid = installerUid; 12255 } 12256 } 12257 12258 class InstallParams extends HandlerParams { 12259 final OriginInfo origin; 12260 final MoveInfo move; 12261 final IPackageInstallObserver2 observer; 12262 int installFlags; 12263 final String installerPackageName; 12264 final String volumeUuid; 12265 private InstallArgs mArgs; 12266 private int mRet; 12267 final String packageAbiOverride; 12268 final String[] grantedRuntimePermissions; 12269 final VerificationInfo verificationInfo; 12270 final Certificate[][] certificates; 12271 12272 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12273 int installFlags, String installerPackageName, String volumeUuid, 12274 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12275 String[] grantedPermissions, Certificate[][] certificates) { 12276 super(user); 12277 this.origin = origin; 12278 this.move = move; 12279 this.observer = observer; 12280 this.installFlags = installFlags; 12281 this.installerPackageName = installerPackageName; 12282 this.volumeUuid = volumeUuid; 12283 this.verificationInfo = verificationInfo; 12284 this.packageAbiOverride = packageAbiOverride; 12285 this.grantedRuntimePermissions = grantedPermissions; 12286 this.certificates = certificates; 12287 } 12288 12289 @Override 12290 public String toString() { 12291 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12292 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12293 } 12294 12295 private int installLocationPolicy(PackageInfoLite pkgLite) { 12296 String packageName = pkgLite.packageName; 12297 int installLocation = pkgLite.installLocation; 12298 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12299 // reader 12300 synchronized (mPackages) { 12301 // Currently installed package which the new package is attempting to replace or 12302 // null if no such package is installed. 12303 PackageParser.Package installedPkg = mPackages.get(packageName); 12304 // Package which currently owns the data which the new package will own if installed. 12305 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12306 // will be null whereas dataOwnerPkg will contain information about the package 12307 // which was uninstalled while keeping its data. 12308 PackageParser.Package dataOwnerPkg = installedPkg; 12309 if (dataOwnerPkg == null) { 12310 PackageSetting ps = mSettings.mPackages.get(packageName); 12311 if (ps != null) { 12312 dataOwnerPkg = ps.pkg; 12313 } 12314 } 12315 12316 if (dataOwnerPkg != null) { 12317 // If installed, the package will get access to data left on the device by its 12318 // predecessor. As a security measure, this is permited only if this is not a 12319 // version downgrade or if the predecessor package is marked as debuggable and 12320 // a downgrade is explicitly requested. 12321 // 12322 // On debuggable platform builds, downgrades are permitted even for 12323 // non-debuggable packages to make testing easier. Debuggable platform builds do 12324 // not offer security guarantees and thus it's OK to disable some security 12325 // mechanisms to make debugging/testing easier on those builds. However, even on 12326 // debuggable builds downgrades of packages are permitted only if requested via 12327 // installFlags. This is because we aim to keep the behavior of debuggable 12328 // platform builds as close as possible to the behavior of non-debuggable 12329 // platform builds. 12330 final boolean downgradeRequested = 12331 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12332 final boolean packageDebuggable = 12333 (dataOwnerPkg.applicationInfo.flags 12334 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12335 final boolean downgradePermitted = 12336 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12337 if (!downgradePermitted) { 12338 try { 12339 checkDowngrade(dataOwnerPkg, pkgLite); 12340 } catch (PackageManagerException e) { 12341 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12342 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12343 } 12344 } 12345 } 12346 12347 if (installedPkg != null) { 12348 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12349 // Check for updated system application. 12350 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12351 if (onSd) { 12352 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12353 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12354 } 12355 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12356 } else { 12357 if (onSd) { 12358 // Install flag overrides everything. 12359 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12360 } 12361 // If current upgrade specifies particular preference 12362 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12363 // Application explicitly specified internal. 12364 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12365 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12366 // App explictly prefers external. Let policy decide 12367 } else { 12368 // Prefer previous location 12369 if (isExternal(installedPkg)) { 12370 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12371 } 12372 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12373 } 12374 } 12375 } else { 12376 // Invalid install. Return error code 12377 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12378 } 12379 } 12380 } 12381 // All the special cases have been taken care of. 12382 // Return result based on recommended install location. 12383 if (onSd) { 12384 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12385 } 12386 return pkgLite.recommendedInstallLocation; 12387 } 12388 12389 /* 12390 * Invoke remote method to get package information and install 12391 * location values. Override install location based on default 12392 * policy if needed and then create install arguments based 12393 * on the install location. 12394 */ 12395 public void handleStartCopy() throws RemoteException { 12396 int ret = PackageManager.INSTALL_SUCCEEDED; 12397 12398 // If we're already staged, we've firmly committed to an install location 12399 if (origin.staged) { 12400 if (origin.file != null) { 12401 installFlags |= PackageManager.INSTALL_INTERNAL; 12402 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12403 } else if (origin.cid != null) { 12404 installFlags |= PackageManager.INSTALL_EXTERNAL; 12405 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12406 } else { 12407 throw new IllegalStateException("Invalid stage location"); 12408 } 12409 } 12410 12411 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12412 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12413 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12414 PackageInfoLite pkgLite = null; 12415 12416 if (onInt && onSd) { 12417 // Check if both bits are set. 12418 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12419 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12420 } else if (onSd && ephemeral) { 12421 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12422 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12423 } else { 12424 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12425 packageAbiOverride); 12426 12427 if (DEBUG_EPHEMERAL && ephemeral) { 12428 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12429 } 12430 12431 /* 12432 * If we have too little free space, try to free cache 12433 * before giving up. 12434 */ 12435 if (!origin.staged && pkgLite.recommendedInstallLocation 12436 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12437 // TODO: focus freeing disk space on the target device 12438 final StorageManager storage = StorageManager.from(mContext); 12439 final long lowThreshold = storage.getStorageLowBytes( 12440 Environment.getDataDirectory()); 12441 12442 final long sizeBytes = mContainerService.calculateInstalledSize( 12443 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12444 12445 try { 12446 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12447 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12448 installFlags, packageAbiOverride); 12449 } catch (InstallerException e) { 12450 Slog.w(TAG, "Failed to free cache", e); 12451 } 12452 12453 /* 12454 * The cache free must have deleted the file we 12455 * downloaded to install. 12456 * 12457 * TODO: fix the "freeCache" call to not delete 12458 * the file we care about. 12459 */ 12460 if (pkgLite.recommendedInstallLocation 12461 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12462 pkgLite.recommendedInstallLocation 12463 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12464 } 12465 } 12466 } 12467 12468 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12469 int loc = pkgLite.recommendedInstallLocation; 12470 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12471 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12472 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12473 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12474 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12475 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12476 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12477 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12478 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12479 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12480 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12481 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12482 } else { 12483 // Override with defaults if needed. 12484 loc = installLocationPolicy(pkgLite); 12485 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12486 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12487 } else if (!onSd && !onInt) { 12488 // Override install location with flags 12489 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12490 // Set the flag to install on external media. 12491 installFlags |= PackageManager.INSTALL_EXTERNAL; 12492 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12493 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12494 if (DEBUG_EPHEMERAL) { 12495 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12496 } 12497 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12498 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12499 |PackageManager.INSTALL_INTERNAL); 12500 } else { 12501 // Make sure the flag for installing on external 12502 // media is unset 12503 installFlags |= PackageManager.INSTALL_INTERNAL; 12504 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12505 } 12506 } 12507 } 12508 } 12509 12510 final InstallArgs args = createInstallArgs(this); 12511 mArgs = args; 12512 12513 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12514 // TODO: http://b/22976637 12515 // Apps installed for "all" users use the device owner to verify the app 12516 UserHandle verifierUser = getUser(); 12517 if (verifierUser == UserHandle.ALL) { 12518 verifierUser = UserHandle.SYSTEM; 12519 } 12520 12521 /* 12522 * Determine if we have any installed package verifiers. If we 12523 * do, then we'll defer to them to verify the packages. 12524 */ 12525 final int requiredUid = mRequiredVerifierPackage == null ? -1 12526 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12527 verifierUser.getIdentifier()); 12528 if (!origin.existing && requiredUid != -1 12529 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12530 final Intent verification = new Intent( 12531 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12532 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12533 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12534 PACKAGE_MIME_TYPE); 12535 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12536 12537 // Query all live verifiers based on current user state 12538 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12539 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12540 12541 if (DEBUG_VERIFY) { 12542 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12543 + verification.toString() + " with " + pkgLite.verifiers.length 12544 + " optional verifiers"); 12545 } 12546 12547 final int verificationId = mPendingVerificationToken++; 12548 12549 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12550 12551 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12552 installerPackageName); 12553 12554 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12555 installFlags); 12556 12557 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12558 pkgLite.packageName); 12559 12560 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12561 pkgLite.versionCode); 12562 12563 if (verificationInfo != null) { 12564 if (verificationInfo.originatingUri != null) { 12565 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12566 verificationInfo.originatingUri); 12567 } 12568 if (verificationInfo.referrer != null) { 12569 verification.putExtra(Intent.EXTRA_REFERRER, 12570 verificationInfo.referrer); 12571 } 12572 if (verificationInfo.originatingUid >= 0) { 12573 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12574 verificationInfo.originatingUid); 12575 } 12576 if (verificationInfo.installerUid >= 0) { 12577 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12578 verificationInfo.installerUid); 12579 } 12580 } 12581 12582 final PackageVerificationState verificationState = new PackageVerificationState( 12583 requiredUid, args); 12584 12585 mPendingVerification.append(verificationId, verificationState); 12586 12587 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12588 receivers, verificationState); 12589 12590 /* 12591 * If any sufficient verifiers were listed in the package 12592 * manifest, attempt to ask them. 12593 */ 12594 if (sufficientVerifiers != null) { 12595 final int N = sufficientVerifiers.size(); 12596 if (N == 0) { 12597 Slog.i(TAG, "Additional verifiers required, but none installed."); 12598 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12599 } else { 12600 for (int i = 0; i < N; i++) { 12601 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12602 12603 final Intent sufficientIntent = new Intent(verification); 12604 sufficientIntent.setComponent(verifierComponent); 12605 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12606 } 12607 } 12608 } 12609 12610 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12611 mRequiredVerifierPackage, receivers); 12612 if (ret == PackageManager.INSTALL_SUCCEEDED 12613 && mRequiredVerifierPackage != null) { 12614 Trace.asyncTraceBegin( 12615 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12616 /* 12617 * Send the intent to the required verification agent, 12618 * but only start the verification timeout after the 12619 * target BroadcastReceivers have run. 12620 */ 12621 verification.setComponent(requiredVerifierComponent); 12622 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12623 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12624 new BroadcastReceiver() { 12625 @Override 12626 public void onReceive(Context context, Intent intent) { 12627 final Message msg = mHandler 12628 .obtainMessage(CHECK_PENDING_VERIFICATION); 12629 msg.arg1 = verificationId; 12630 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12631 } 12632 }, null, 0, null, null); 12633 12634 /* 12635 * We don't want the copy to proceed until verification 12636 * succeeds, so null out this field. 12637 */ 12638 mArgs = null; 12639 } 12640 } else { 12641 /* 12642 * No package verification is enabled, so immediately start 12643 * the remote call to initiate copy using temporary file. 12644 */ 12645 ret = args.copyApk(mContainerService, true); 12646 } 12647 } 12648 12649 mRet = ret; 12650 } 12651 12652 @Override 12653 void handleReturnCode() { 12654 // If mArgs is null, then MCS couldn't be reached. When it 12655 // reconnects, it will try again to install. At that point, this 12656 // will succeed. 12657 if (mArgs != null) { 12658 processPendingInstall(mArgs, mRet); 12659 } 12660 } 12661 12662 @Override 12663 void handleServiceError() { 12664 mArgs = createInstallArgs(this); 12665 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12666 } 12667 12668 public boolean isForwardLocked() { 12669 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12670 } 12671 } 12672 12673 /** 12674 * Used during creation of InstallArgs 12675 * 12676 * @param installFlags package installation flags 12677 * @return true if should be installed on external storage 12678 */ 12679 private static boolean installOnExternalAsec(int installFlags) { 12680 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12681 return false; 12682 } 12683 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12684 return true; 12685 } 12686 return false; 12687 } 12688 12689 /** 12690 * Used during creation of InstallArgs 12691 * 12692 * @param installFlags package installation flags 12693 * @return true if should be installed as forward locked 12694 */ 12695 private static boolean installForwardLocked(int installFlags) { 12696 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12697 } 12698 12699 private InstallArgs createInstallArgs(InstallParams params) { 12700 if (params.move != null) { 12701 return new MoveInstallArgs(params); 12702 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12703 return new AsecInstallArgs(params); 12704 } else { 12705 return new FileInstallArgs(params); 12706 } 12707 } 12708 12709 /** 12710 * Create args that describe an existing installed package. Typically used 12711 * when cleaning up old installs, or used as a move source. 12712 */ 12713 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12714 String resourcePath, String[] instructionSets) { 12715 final boolean isInAsec; 12716 if (installOnExternalAsec(installFlags)) { 12717 /* Apps on SD card are always in ASEC containers. */ 12718 isInAsec = true; 12719 } else if (installForwardLocked(installFlags) 12720 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12721 /* 12722 * Forward-locked apps are only in ASEC containers if they're the 12723 * new style 12724 */ 12725 isInAsec = true; 12726 } else { 12727 isInAsec = false; 12728 } 12729 12730 if (isInAsec) { 12731 return new AsecInstallArgs(codePath, instructionSets, 12732 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12733 } else { 12734 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12735 } 12736 } 12737 12738 static abstract class InstallArgs { 12739 /** @see InstallParams#origin */ 12740 final OriginInfo origin; 12741 /** @see InstallParams#move */ 12742 final MoveInfo move; 12743 12744 final IPackageInstallObserver2 observer; 12745 // Always refers to PackageManager flags only 12746 final int installFlags; 12747 final String installerPackageName; 12748 final String volumeUuid; 12749 final UserHandle user; 12750 final String abiOverride; 12751 final String[] installGrantPermissions; 12752 /** If non-null, drop an async trace when the install completes */ 12753 final String traceMethod; 12754 final int traceCookie; 12755 final Certificate[][] certificates; 12756 12757 // The list of instruction sets supported by this app. This is currently 12758 // only used during the rmdex() phase to clean up resources. We can get rid of this 12759 // if we move dex files under the common app path. 12760 /* nullable */ String[] instructionSets; 12761 12762 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12763 int installFlags, String installerPackageName, String volumeUuid, 12764 UserHandle user, String[] instructionSets, 12765 String abiOverride, String[] installGrantPermissions, 12766 String traceMethod, int traceCookie, Certificate[][] certificates) { 12767 this.origin = origin; 12768 this.move = move; 12769 this.installFlags = installFlags; 12770 this.observer = observer; 12771 this.installerPackageName = installerPackageName; 12772 this.volumeUuid = volumeUuid; 12773 this.user = user; 12774 this.instructionSets = instructionSets; 12775 this.abiOverride = abiOverride; 12776 this.installGrantPermissions = installGrantPermissions; 12777 this.traceMethod = traceMethod; 12778 this.traceCookie = traceCookie; 12779 this.certificates = certificates; 12780 } 12781 12782 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12783 abstract int doPreInstall(int status); 12784 12785 /** 12786 * Rename package into final resting place. All paths on the given 12787 * scanned package should be updated to reflect the rename. 12788 */ 12789 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12790 abstract int doPostInstall(int status, int uid); 12791 12792 /** @see PackageSettingBase#codePathString */ 12793 abstract String getCodePath(); 12794 /** @see PackageSettingBase#resourcePathString */ 12795 abstract String getResourcePath(); 12796 12797 // Need installer lock especially for dex file removal. 12798 abstract void cleanUpResourcesLI(); 12799 abstract boolean doPostDeleteLI(boolean delete); 12800 12801 /** 12802 * Called before the source arguments are copied. This is used mostly 12803 * for MoveParams when it needs to read the source file to put it in the 12804 * destination. 12805 */ 12806 int doPreCopy() { 12807 return PackageManager.INSTALL_SUCCEEDED; 12808 } 12809 12810 /** 12811 * Called after the source arguments are copied. This is used mostly for 12812 * MoveParams when it needs to read the source file to put it in the 12813 * destination. 12814 */ 12815 int doPostCopy(int uid) { 12816 return PackageManager.INSTALL_SUCCEEDED; 12817 } 12818 12819 protected boolean isFwdLocked() { 12820 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12821 } 12822 12823 protected boolean isExternalAsec() { 12824 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12825 } 12826 12827 protected boolean isEphemeral() { 12828 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12829 } 12830 12831 UserHandle getUser() { 12832 return user; 12833 } 12834 } 12835 12836 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12837 if (!allCodePaths.isEmpty()) { 12838 if (instructionSets == null) { 12839 throw new IllegalStateException("instructionSet == null"); 12840 } 12841 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12842 for (String codePath : allCodePaths) { 12843 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12844 try { 12845 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12846 } catch (InstallerException ignored) { 12847 } 12848 } 12849 } 12850 } 12851 } 12852 12853 /** 12854 * Logic to handle installation of non-ASEC applications, including copying 12855 * and renaming logic. 12856 */ 12857 class FileInstallArgs extends InstallArgs { 12858 private File codeFile; 12859 private File resourceFile; 12860 12861 // Example topology: 12862 // /data/app/com.example/base.apk 12863 // /data/app/com.example/split_foo.apk 12864 // /data/app/com.example/lib/arm/libfoo.so 12865 // /data/app/com.example/lib/arm64/libfoo.so 12866 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12867 12868 /** New install */ 12869 FileInstallArgs(InstallParams params) { 12870 super(params.origin, params.move, params.observer, params.installFlags, 12871 params.installerPackageName, params.volumeUuid, 12872 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 12873 params.grantedRuntimePermissions, 12874 params.traceMethod, params.traceCookie, params.certificates); 12875 if (isFwdLocked()) { 12876 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12877 } 12878 } 12879 12880 /** Existing install */ 12881 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12882 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12883 null, null, null, 0, null /*certificates*/); 12884 this.codeFile = (codePath != null) ? new File(codePath) : null; 12885 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12886 } 12887 12888 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12889 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12890 try { 12891 return doCopyApk(imcs, temp); 12892 } finally { 12893 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12894 } 12895 } 12896 12897 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12898 if (origin.staged) { 12899 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12900 codeFile = origin.file; 12901 resourceFile = origin.file; 12902 return PackageManager.INSTALL_SUCCEEDED; 12903 } 12904 12905 try { 12906 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12907 final File tempDir = 12908 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12909 codeFile = tempDir; 12910 resourceFile = tempDir; 12911 } catch (IOException e) { 12912 Slog.w(TAG, "Failed to create copy file: " + e); 12913 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12914 } 12915 12916 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12917 @Override 12918 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12919 if (!FileUtils.isValidExtFilename(name)) { 12920 throw new IllegalArgumentException("Invalid filename: " + name); 12921 } 12922 try { 12923 final File file = new File(codeFile, name); 12924 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12925 O_RDWR | O_CREAT, 0644); 12926 Os.chmod(file.getAbsolutePath(), 0644); 12927 return new ParcelFileDescriptor(fd); 12928 } catch (ErrnoException e) { 12929 throw new RemoteException("Failed to open: " + e.getMessage()); 12930 } 12931 } 12932 }; 12933 12934 int ret = PackageManager.INSTALL_SUCCEEDED; 12935 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12936 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12937 Slog.e(TAG, "Failed to copy package"); 12938 return ret; 12939 } 12940 12941 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12942 NativeLibraryHelper.Handle handle = null; 12943 try { 12944 handle = NativeLibraryHelper.Handle.create(codeFile); 12945 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12946 abiOverride); 12947 } catch (IOException e) { 12948 Slog.e(TAG, "Copying native libraries failed", e); 12949 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12950 } finally { 12951 IoUtils.closeQuietly(handle); 12952 } 12953 12954 return ret; 12955 } 12956 12957 int doPreInstall(int status) { 12958 if (status != PackageManager.INSTALL_SUCCEEDED) { 12959 cleanUp(); 12960 } 12961 return status; 12962 } 12963 12964 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12965 if (status != PackageManager.INSTALL_SUCCEEDED) { 12966 cleanUp(); 12967 return false; 12968 } 12969 12970 final File targetDir = codeFile.getParentFile(); 12971 final File beforeCodeFile = codeFile; 12972 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12973 12974 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12975 try { 12976 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12977 } catch (ErrnoException e) { 12978 Slog.w(TAG, "Failed to rename", e); 12979 return false; 12980 } 12981 12982 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12983 Slog.w(TAG, "Failed to restorecon"); 12984 return false; 12985 } 12986 12987 // Reflect the rename internally 12988 codeFile = afterCodeFile; 12989 resourceFile = afterCodeFile; 12990 12991 // Reflect the rename in scanned details 12992 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12993 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12994 afterCodeFile, pkg.baseCodePath)); 12995 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12996 afterCodeFile, pkg.splitCodePaths)); 12997 12998 // Reflect the rename in app info 12999 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13000 pkg.setApplicationInfoCodePath(pkg.codePath); 13001 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13002 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13003 pkg.setApplicationInfoResourcePath(pkg.codePath); 13004 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13005 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13006 13007 return true; 13008 } 13009 13010 int doPostInstall(int status, int uid) { 13011 if (status != PackageManager.INSTALL_SUCCEEDED) { 13012 cleanUp(); 13013 } 13014 return status; 13015 } 13016 13017 @Override 13018 String getCodePath() { 13019 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13020 } 13021 13022 @Override 13023 String getResourcePath() { 13024 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13025 } 13026 13027 private boolean cleanUp() { 13028 if (codeFile == null || !codeFile.exists()) { 13029 return false; 13030 } 13031 13032 removeCodePathLI(codeFile); 13033 13034 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13035 resourceFile.delete(); 13036 } 13037 13038 return true; 13039 } 13040 13041 void cleanUpResourcesLI() { 13042 // Try enumerating all code paths before deleting 13043 List<String> allCodePaths = Collections.EMPTY_LIST; 13044 if (codeFile != null && codeFile.exists()) { 13045 try { 13046 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13047 allCodePaths = pkg.getAllCodePaths(); 13048 } catch (PackageParserException e) { 13049 // Ignored; we tried our best 13050 } 13051 } 13052 13053 cleanUp(); 13054 removeDexFiles(allCodePaths, instructionSets); 13055 } 13056 13057 boolean doPostDeleteLI(boolean delete) { 13058 // XXX err, shouldn't we respect the delete flag? 13059 cleanUpResourcesLI(); 13060 return true; 13061 } 13062 } 13063 13064 private boolean isAsecExternal(String cid) { 13065 final String asecPath = PackageHelper.getSdFilesystem(cid); 13066 return !asecPath.startsWith(mAsecInternalPath); 13067 } 13068 13069 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13070 PackageManagerException { 13071 if (copyRet < 0) { 13072 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13073 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13074 throw new PackageManagerException(copyRet, message); 13075 } 13076 } 13077 } 13078 13079 /** 13080 * Extract the MountService "container ID" from the full code path of an 13081 * .apk. 13082 */ 13083 static String cidFromCodePath(String fullCodePath) { 13084 int eidx = fullCodePath.lastIndexOf("/"); 13085 String subStr1 = fullCodePath.substring(0, eidx); 13086 int sidx = subStr1.lastIndexOf("/"); 13087 return subStr1.substring(sidx+1, eidx); 13088 } 13089 13090 /** 13091 * Logic to handle installation of ASEC applications, including copying and 13092 * renaming logic. 13093 */ 13094 class AsecInstallArgs extends InstallArgs { 13095 static final String RES_FILE_NAME = "pkg.apk"; 13096 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13097 13098 String cid; 13099 String packagePath; 13100 String resourcePath; 13101 13102 /** New install */ 13103 AsecInstallArgs(InstallParams params) { 13104 super(params.origin, params.move, params.observer, params.installFlags, 13105 params.installerPackageName, params.volumeUuid, 13106 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13107 params.grantedRuntimePermissions, 13108 params.traceMethod, params.traceCookie, params.certificates); 13109 } 13110 13111 /** Existing install */ 13112 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13113 boolean isExternal, boolean isForwardLocked) { 13114 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13115 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13116 instructionSets, null, null, null, 0, null /*certificates*/); 13117 // Hackily pretend we're still looking at a full code path 13118 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13119 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13120 } 13121 13122 // Extract cid from fullCodePath 13123 int eidx = fullCodePath.lastIndexOf("/"); 13124 String subStr1 = fullCodePath.substring(0, eidx); 13125 int sidx = subStr1.lastIndexOf("/"); 13126 cid = subStr1.substring(sidx+1, eidx); 13127 setMountPath(subStr1); 13128 } 13129 13130 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13131 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13132 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13133 instructionSets, null, null, null, 0, null /*certificates*/); 13134 this.cid = cid; 13135 setMountPath(PackageHelper.getSdDir(cid)); 13136 } 13137 13138 void createCopyFile() { 13139 cid = mInstallerService.allocateExternalStageCidLegacy(); 13140 } 13141 13142 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13143 if (origin.staged && origin.cid != null) { 13144 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13145 cid = origin.cid; 13146 setMountPath(PackageHelper.getSdDir(cid)); 13147 return PackageManager.INSTALL_SUCCEEDED; 13148 } 13149 13150 if (temp) { 13151 createCopyFile(); 13152 } else { 13153 /* 13154 * Pre-emptively destroy the container since it's destroyed if 13155 * copying fails due to it existing anyway. 13156 */ 13157 PackageHelper.destroySdDir(cid); 13158 } 13159 13160 final String newMountPath = imcs.copyPackageToContainer( 13161 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13162 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13163 13164 if (newMountPath != null) { 13165 setMountPath(newMountPath); 13166 return PackageManager.INSTALL_SUCCEEDED; 13167 } else { 13168 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13169 } 13170 } 13171 13172 @Override 13173 String getCodePath() { 13174 return packagePath; 13175 } 13176 13177 @Override 13178 String getResourcePath() { 13179 return resourcePath; 13180 } 13181 13182 int doPreInstall(int status) { 13183 if (status != PackageManager.INSTALL_SUCCEEDED) { 13184 // Destroy container 13185 PackageHelper.destroySdDir(cid); 13186 } else { 13187 boolean mounted = PackageHelper.isContainerMounted(cid); 13188 if (!mounted) { 13189 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13190 Process.SYSTEM_UID); 13191 if (newMountPath != null) { 13192 setMountPath(newMountPath); 13193 } else { 13194 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13195 } 13196 } 13197 } 13198 return status; 13199 } 13200 13201 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13202 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13203 String newMountPath = null; 13204 if (PackageHelper.isContainerMounted(cid)) { 13205 // Unmount the container 13206 if (!PackageHelper.unMountSdDir(cid)) { 13207 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13208 return false; 13209 } 13210 } 13211 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13212 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13213 " which might be stale. Will try to clean up."); 13214 // Clean up the stale container and proceed to recreate. 13215 if (!PackageHelper.destroySdDir(newCacheId)) { 13216 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13217 return false; 13218 } 13219 // Successfully cleaned up stale container. Try to rename again. 13220 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13221 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13222 + " inspite of cleaning it up."); 13223 return false; 13224 } 13225 } 13226 if (!PackageHelper.isContainerMounted(newCacheId)) { 13227 Slog.w(TAG, "Mounting container " + newCacheId); 13228 newMountPath = PackageHelper.mountSdDir(newCacheId, 13229 getEncryptKey(), Process.SYSTEM_UID); 13230 } else { 13231 newMountPath = PackageHelper.getSdDir(newCacheId); 13232 } 13233 if (newMountPath == null) { 13234 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13235 return false; 13236 } 13237 Log.i(TAG, "Succesfully renamed " + cid + 13238 " to " + newCacheId + 13239 " at new path: " + newMountPath); 13240 cid = newCacheId; 13241 13242 final File beforeCodeFile = new File(packagePath); 13243 setMountPath(newMountPath); 13244 final File afterCodeFile = new File(packagePath); 13245 13246 // Reflect the rename in scanned details 13247 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13248 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13249 afterCodeFile, pkg.baseCodePath)); 13250 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13251 afterCodeFile, pkg.splitCodePaths)); 13252 13253 // Reflect the rename in app info 13254 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13255 pkg.setApplicationInfoCodePath(pkg.codePath); 13256 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13257 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13258 pkg.setApplicationInfoResourcePath(pkg.codePath); 13259 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13260 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13261 13262 return true; 13263 } 13264 13265 private void setMountPath(String mountPath) { 13266 final File mountFile = new File(mountPath); 13267 13268 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13269 if (monolithicFile.exists()) { 13270 packagePath = monolithicFile.getAbsolutePath(); 13271 if (isFwdLocked()) { 13272 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13273 } else { 13274 resourcePath = packagePath; 13275 } 13276 } else { 13277 packagePath = mountFile.getAbsolutePath(); 13278 resourcePath = packagePath; 13279 } 13280 } 13281 13282 int doPostInstall(int status, int uid) { 13283 if (status != PackageManager.INSTALL_SUCCEEDED) { 13284 cleanUp(); 13285 } else { 13286 final int groupOwner; 13287 final String protectedFile; 13288 if (isFwdLocked()) { 13289 groupOwner = UserHandle.getSharedAppGid(uid); 13290 protectedFile = RES_FILE_NAME; 13291 } else { 13292 groupOwner = -1; 13293 protectedFile = null; 13294 } 13295 13296 if (uid < Process.FIRST_APPLICATION_UID 13297 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13298 Slog.e(TAG, "Failed to finalize " + cid); 13299 PackageHelper.destroySdDir(cid); 13300 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13301 } 13302 13303 boolean mounted = PackageHelper.isContainerMounted(cid); 13304 if (!mounted) { 13305 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13306 } 13307 } 13308 return status; 13309 } 13310 13311 private void cleanUp() { 13312 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13313 13314 // Destroy secure container 13315 PackageHelper.destroySdDir(cid); 13316 } 13317 13318 private List<String> getAllCodePaths() { 13319 final File codeFile = new File(getCodePath()); 13320 if (codeFile != null && codeFile.exists()) { 13321 try { 13322 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13323 return pkg.getAllCodePaths(); 13324 } catch (PackageParserException e) { 13325 // Ignored; we tried our best 13326 } 13327 } 13328 return Collections.EMPTY_LIST; 13329 } 13330 13331 void cleanUpResourcesLI() { 13332 // Enumerate all code paths before deleting 13333 cleanUpResourcesLI(getAllCodePaths()); 13334 } 13335 13336 private void cleanUpResourcesLI(List<String> allCodePaths) { 13337 cleanUp(); 13338 removeDexFiles(allCodePaths, instructionSets); 13339 } 13340 13341 String getPackageName() { 13342 return getAsecPackageName(cid); 13343 } 13344 13345 boolean doPostDeleteLI(boolean delete) { 13346 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13347 final List<String> allCodePaths = getAllCodePaths(); 13348 boolean mounted = PackageHelper.isContainerMounted(cid); 13349 if (mounted) { 13350 // Unmount first 13351 if (PackageHelper.unMountSdDir(cid)) { 13352 mounted = false; 13353 } 13354 } 13355 if (!mounted && delete) { 13356 cleanUpResourcesLI(allCodePaths); 13357 } 13358 return !mounted; 13359 } 13360 13361 @Override 13362 int doPreCopy() { 13363 if (isFwdLocked()) { 13364 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13365 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13366 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13367 } 13368 } 13369 13370 return PackageManager.INSTALL_SUCCEEDED; 13371 } 13372 13373 @Override 13374 int doPostCopy(int uid) { 13375 if (isFwdLocked()) { 13376 if (uid < Process.FIRST_APPLICATION_UID 13377 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13378 RES_FILE_NAME)) { 13379 Slog.e(TAG, "Failed to finalize " + cid); 13380 PackageHelper.destroySdDir(cid); 13381 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13382 } 13383 } 13384 13385 return PackageManager.INSTALL_SUCCEEDED; 13386 } 13387 } 13388 13389 /** 13390 * Logic to handle movement of existing installed applications. 13391 */ 13392 class MoveInstallArgs extends InstallArgs { 13393 private File codeFile; 13394 private File resourceFile; 13395 13396 /** New install */ 13397 MoveInstallArgs(InstallParams params) { 13398 super(params.origin, params.move, params.observer, params.installFlags, 13399 params.installerPackageName, params.volumeUuid, 13400 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13401 params.grantedRuntimePermissions, 13402 params.traceMethod, params.traceCookie, params.certificates); 13403 } 13404 13405 int copyApk(IMediaContainerService imcs, boolean temp) { 13406 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13407 + move.fromUuid + " to " + move.toUuid); 13408 synchronized (mInstaller) { 13409 try { 13410 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13411 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13412 } catch (InstallerException e) { 13413 Slog.w(TAG, "Failed to move app", e); 13414 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13415 } 13416 } 13417 13418 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13419 resourceFile = codeFile; 13420 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13421 13422 return PackageManager.INSTALL_SUCCEEDED; 13423 } 13424 13425 int doPreInstall(int status) { 13426 if (status != PackageManager.INSTALL_SUCCEEDED) { 13427 cleanUp(move.toUuid); 13428 } 13429 return status; 13430 } 13431 13432 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13433 if (status != PackageManager.INSTALL_SUCCEEDED) { 13434 cleanUp(move.toUuid); 13435 return false; 13436 } 13437 13438 // Reflect the move in app info 13439 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13440 pkg.setApplicationInfoCodePath(pkg.codePath); 13441 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13442 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13443 pkg.setApplicationInfoResourcePath(pkg.codePath); 13444 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13445 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13446 13447 return true; 13448 } 13449 13450 int doPostInstall(int status, int uid) { 13451 if (status == PackageManager.INSTALL_SUCCEEDED) { 13452 cleanUp(move.fromUuid); 13453 } else { 13454 cleanUp(move.toUuid); 13455 } 13456 return status; 13457 } 13458 13459 @Override 13460 String getCodePath() { 13461 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13462 } 13463 13464 @Override 13465 String getResourcePath() { 13466 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13467 } 13468 13469 private boolean cleanUp(String volumeUuid) { 13470 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13471 move.dataAppName); 13472 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13473 final int[] userIds = sUserManager.getUserIds(); 13474 synchronized (mInstallLock) { 13475 // Clean up both app data and code 13476 // All package moves are frozen until finished 13477 for (int userId : userIds) { 13478 try { 13479 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13480 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13481 } catch (InstallerException e) { 13482 Slog.w(TAG, String.valueOf(e)); 13483 } 13484 } 13485 removeCodePathLI(codeFile); 13486 } 13487 return true; 13488 } 13489 13490 void cleanUpResourcesLI() { 13491 throw new UnsupportedOperationException(); 13492 } 13493 13494 boolean doPostDeleteLI(boolean delete) { 13495 throw new UnsupportedOperationException(); 13496 } 13497 } 13498 13499 static String getAsecPackageName(String packageCid) { 13500 int idx = packageCid.lastIndexOf("-"); 13501 if (idx == -1) { 13502 return packageCid; 13503 } 13504 return packageCid.substring(0, idx); 13505 } 13506 13507 // Utility method used to create code paths based on package name and available index. 13508 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13509 String idxStr = ""; 13510 int idx = 1; 13511 // Fall back to default value of idx=1 if prefix is not 13512 // part of oldCodePath 13513 if (oldCodePath != null) { 13514 String subStr = oldCodePath; 13515 // Drop the suffix right away 13516 if (suffix != null && subStr.endsWith(suffix)) { 13517 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13518 } 13519 // If oldCodePath already contains prefix find out the 13520 // ending index to either increment or decrement. 13521 int sidx = subStr.lastIndexOf(prefix); 13522 if (sidx != -1) { 13523 subStr = subStr.substring(sidx + prefix.length()); 13524 if (subStr != null) { 13525 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13526 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13527 } 13528 try { 13529 idx = Integer.parseInt(subStr); 13530 if (idx <= 1) { 13531 idx++; 13532 } else { 13533 idx--; 13534 } 13535 } catch(NumberFormatException e) { 13536 } 13537 } 13538 } 13539 } 13540 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13541 return prefix + idxStr; 13542 } 13543 13544 private File getNextCodePath(File targetDir, String packageName) { 13545 int suffix = 1; 13546 File result; 13547 do { 13548 result = new File(targetDir, packageName + "-" + suffix); 13549 suffix++; 13550 } while (result.exists()); 13551 return result; 13552 } 13553 13554 // Utility method that returns the relative package path with respect 13555 // to the installation directory. Like say for /data/data/com.test-1.apk 13556 // string com.test-1 is returned. 13557 static String deriveCodePathName(String codePath) { 13558 if (codePath == null) { 13559 return null; 13560 } 13561 final File codeFile = new File(codePath); 13562 final String name = codeFile.getName(); 13563 if (codeFile.isDirectory()) { 13564 return name; 13565 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13566 final int lastDot = name.lastIndexOf('.'); 13567 return name.substring(0, lastDot); 13568 } else { 13569 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13570 return null; 13571 } 13572 } 13573 13574 static class PackageInstalledInfo { 13575 String name; 13576 int uid; 13577 // The set of users that originally had this package installed. 13578 int[] origUsers; 13579 // The set of users that now have this package installed. 13580 int[] newUsers; 13581 PackageParser.Package pkg; 13582 int returnCode; 13583 String returnMsg; 13584 PackageRemovedInfo removedInfo; 13585 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13586 13587 public void setError(int code, String msg) { 13588 setReturnCode(code); 13589 setReturnMessage(msg); 13590 Slog.w(TAG, msg); 13591 } 13592 13593 public void setError(String msg, PackageParserException e) { 13594 setReturnCode(e.error); 13595 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13596 Slog.w(TAG, msg, e); 13597 } 13598 13599 public void setError(String msg, PackageManagerException e) { 13600 returnCode = e.error; 13601 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13602 Slog.w(TAG, msg, e); 13603 } 13604 13605 public void setReturnCode(int returnCode) { 13606 this.returnCode = returnCode; 13607 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13608 for (int i = 0; i < childCount; i++) { 13609 addedChildPackages.valueAt(i).returnCode = returnCode; 13610 } 13611 } 13612 13613 private void setReturnMessage(String returnMsg) { 13614 this.returnMsg = returnMsg; 13615 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13616 for (int i = 0; i < childCount; i++) { 13617 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13618 } 13619 } 13620 13621 // In some error cases we want to convey more info back to the observer 13622 String origPackage; 13623 String origPermission; 13624 } 13625 13626 /* 13627 * Install a non-existing package. 13628 */ 13629 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13630 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13631 PackageInstalledInfo res) { 13632 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13633 13634 // Remember this for later, in case we need to rollback this install 13635 String pkgName = pkg.packageName; 13636 13637 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13638 13639 synchronized(mPackages) { 13640 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13641 // A package with the same name is already installed, though 13642 // it has been renamed to an older name. The package we 13643 // are trying to install should be installed as an update to 13644 // the existing one, but that has not been requested, so bail. 13645 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13646 + " without first uninstalling package running as " 13647 + mSettings.mRenamedPackages.get(pkgName)); 13648 return; 13649 } 13650 if (mPackages.containsKey(pkgName)) { 13651 // Don't allow installation over an existing package with the same name. 13652 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13653 + " without first uninstalling."); 13654 return; 13655 } 13656 } 13657 13658 try { 13659 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13660 System.currentTimeMillis(), user); 13661 13662 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13663 13664 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13665 prepareAppDataAfterInstallLIF(newPackage); 13666 13667 } else { 13668 // Remove package from internal structures, but keep around any 13669 // data that might have already existed 13670 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13671 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13672 } 13673 } catch (PackageManagerException e) { 13674 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13675 } 13676 13677 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13678 } 13679 13680 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13681 // Can't rotate keys during boot or if sharedUser. 13682 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13683 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13684 return false; 13685 } 13686 // app is using upgradeKeySets; make sure all are valid 13687 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13688 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13689 for (int i = 0; i < upgradeKeySets.length; i++) { 13690 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13691 Slog.wtf(TAG, "Package " 13692 + (oldPs.name != null ? oldPs.name : "<null>") 13693 + " contains upgrade-key-set reference to unknown key-set: " 13694 + upgradeKeySets[i] 13695 + " reverting to signatures check."); 13696 return false; 13697 } 13698 } 13699 return true; 13700 } 13701 13702 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13703 // Upgrade keysets are being used. Determine if new package has a superset of the 13704 // required keys. 13705 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13706 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13707 for (int i = 0; i < upgradeKeySets.length; i++) { 13708 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13709 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13710 return true; 13711 } 13712 } 13713 return false; 13714 } 13715 13716 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13717 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13718 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13719 13720 final PackageParser.Package oldPackage; 13721 final String pkgName = pkg.packageName; 13722 final int[] allUsers; 13723 13724 // First find the old package info and check signatures 13725 synchronized(mPackages) { 13726 oldPackage = mPackages.get(pkgName); 13727 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13728 if (isEphemeral && !oldIsEphemeral) { 13729 // can't downgrade from full to ephemeral 13730 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13731 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13732 return; 13733 } 13734 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13735 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13736 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13737 if (!checkUpgradeKeySetLP(ps, pkg)) { 13738 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13739 "New package not signed by keys specified by upgrade-keysets: " 13740 + pkgName); 13741 return; 13742 } 13743 } else { 13744 // default to original signature matching 13745 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13746 != PackageManager.SIGNATURE_MATCH) { 13747 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13748 "New package has a different signature: " + pkgName); 13749 return; 13750 } 13751 } 13752 13753 // Check for shared user id changes 13754 String invalidPackageName = 13755 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13756 if (invalidPackageName != null) { 13757 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13758 "Package " + invalidPackageName + " tried to change user " 13759 + oldPackage.mSharedUserId); 13760 return; 13761 } 13762 13763 // In case of rollback, remember per-user/profile install state 13764 allUsers = sUserManager.getUserIds(); 13765 } 13766 13767 // Update what is removed 13768 res.removedInfo = new PackageRemovedInfo(); 13769 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13770 res.removedInfo.removedPackage = oldPackage.packageName; 13771 res.removedInfo.isUpdate = true; 13772 final int childCount = (oldPackage.childPackages != null) 13773 ? oldPackage.childPackages.size() : 0; 13774 for (int i = 0; i < childCount; i++) { 13775 boolean childPackageUpdated = false; 13776 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13777 if (res.addedChildPackages != null) { 13778 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13779 if (childRes != null) { 13780 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13781 childRes.removedInfo.removedPackage = childPkg.packageName; 13782 childRes.removedInfo.isUpdate = true; 13783 childPackageUpdated = true; 13784 } 13785 } 13786 if (!childPackageUpdated) { 13787 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13788 childRemovedRes.removedPackage = childPkg.packageName; 13789 childRemovedRes.isUpdate = false; 13790 childRemovedRes.dataRemoved = true; 13791 synchronized (mPackages) { 13792 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13793 if (childPs != null) { 13794 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13795 } 13796 } 13797 if (res.removedInfo.removedChildPackages == null) { 13798 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13799 } 13800 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13801 } 13802 } 13803 13804 boolean sysPkg = (isSystemApp(oldPackage)); 13805 if (sysPkg) { 13806 // Set the system/privileged flags as needed 13807 final boolean privileged = 13808 (oldPackage.applicationInfo.privateFlags 13809 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13810 final int systemPolicyFlags = policyFlags 13811 | PackageParser.PARSE_IS_SYSTEM 13812 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 13813 13814 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 13815 user, allUsers, installerPackageName, res); 13816 } else { 13817 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 13818 user, allUsers, installerPackageName, res); 13819 } 13820 } 13821 13822 public List<String> getPreviousCodePaths(String packageName) { 13823 final PackageSetting ps = mSettings.mPackages.get(packageName); 13824 final List<String> result = new ArrayList<String>(); 13825 if (ps != null && ps.oldCodePaths != null) { 13826 result.addAll(ps.oldCodePaths); 13827 } 13828 return result; 13829 } 13830 13831 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 13832 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 13833 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13834 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13835 + deletedPackage); 13836 13837 String pkgName = deletedPackage.packageName; 13838 boolean deletedPkg = true; 13839 boolean addedPkg = false; 13840 boolean updatedSettings = false; 13841 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13842 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13843 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13844 13845 final long origUpdateTime = (pkg.mExtras != null) 13846 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13847 13848 // First delete the existing package while retaining the data directory 13849 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13850 res.removedInfo, true, pkg)) { 13851 // If the existing package wasn't successfully deleted 13852 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13853 deletedPkg = false; 13854 } else { 13855 // Successfully deleted the old package; proceed with replace. 13856 13857 // If deleted package lived in a container, give users a chance to 13858 // relinquish resources before killing. 13859 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13860 if (DEBUG_INSTALL) { 13861 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13862 } 13863 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13864 final ArrayList<String> pkgList = new ArrayList<String>(1); 13865 pkgList.add(deletedPackage.applicationInfo.packageName); 13866 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13867 } 13868 13869 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 13870 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 13871 clearAppProfilesLIF(pkg); 13872 13873 try { 13874 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 13875 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13876 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13877 13878 // Update the in-memory copy of the previous code paths. 13879 PackageSetting ps = mSettings.mPackages.get(pkgName); 13880 if (!killApp) { 13881 if (ps.oldCodePaths == null) { 13882 ps.oldCodePaths = new ArraySet<>(); 13883 } 13884 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13885 if (deletedPackage.splitCodePaths != null) { 13886 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13887 } 13888 } else { 13889 ps.oldCodePaths = null; 13890 } 13891 if (ps.childPackageNames != null) { 13892 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13893 final String childPkgName = ps.childPackageNames.get(i); 13894 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13895 childPs.oldCodePaths = ps.oldCodePaths; 13896 } 13897 } 13898 prepareAppDataAfterInstallLIF(newPackage); 13899 addedPkg = true; 13900 } catch (PackageManagerException e) { 13901 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13902 } 13903 } 13904 13905 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13906 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13907 13908 // Revert all internal state mutations and added folders for the failed install 13909 if (addedPkg) { 13910 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13911 res.removedInfo, true, null); 13912 } 13913 13914 // Restore the old package 13915 if (deletedPkg) { 13916 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13917 File restoreFile = new File(deletedPackage.codePath); 13918 // Parse old package 13919 boolean oldExternal = isExternal(deletedPackage); 13920 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13921 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13922 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13923 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13924 try { 13925 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13926 null); 13927 } catch (PackageManagerException e) { 13928 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13929 + e.getMessage()); 13930 return; 13931 } 13932 13933 synchronized (mPackages) { 13934 // Ensure the installer package name up to date 13935 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13936 13937 // Update permissions for restored package 13938 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13939 13940 mSettings.writeLPr(); 13941 } 13942 13943 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13944 } 13945 } else { 13946 synchronized (mPackages) { 13947 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13948 if (ps != null) { 13949 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13950 if (res.removedInfo.removedChildPackages != null) { 13951 final int childCount = res.removedInfo.removedChildPackages.size(); 13952 // Iterate in reverse as we may modify the collection 13953 for (int i = childCount - 1; i >= 0; i--) { 13954 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13955 if (res.addedChildPackages.containsKey(childPackageName)) { 13956 res.removedInfo.removedChildPackages.removeAt(i); 13957 } else { 13958 PackageRemovedInfo childInfo = res.removedInfo 13959 .removedChildPackages.valueAt(i); 13960 childInfo.removedForAllUsers = mPackages.get( 13961 childInfo.removedPackage) == null; 13962 } 13963 } 13964 } 13965 } 13966 } 13967 } 13968 } 13969 13970 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 13971 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 13972 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13973 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13974 + ", old=" + deletedPackage); 13975 13976 final boolean disabledSystem; 13977 13978 // Remove existing system package 13979 removePackageLI(deletedPackage, true); 13980 13981 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13982 if (!disabledSystem) { 13983 // We didn't need to disable the .apk as a current system package, 13984 // which means we are replacing another update that is already 13985 // installed. We need to make sure to delete the older one's .apk. 13986 res.removedInfo.args = createInstallArgsForExisting(0, 13987 deletedPackage.applicationInfo.getCodePath(), 13988 deletedPackage.applicationInfo.getResourcePath(), 13989 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13990 } else { 13991 res.removedInfo.args = null; 13992 } 13993 13994 // Successfully disabled the old package. Now proceed with re-installation 13995 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 13996 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 13997 clearAppProfilesLIF(pkg); 13998 13999 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14000 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14001 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14002 14003 PackageParser.Package newPackage = null; 14004 try { 14005 // Add the package to the internal data structures 14006 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14007 14008 // Set the update and install times 14009 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14010 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14011 System.currentTimeMillis()); 14012 14013 // Update the package dynamic state if succeeded 14014 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14015 // Now that the install succeeded make sure we remove data 14016 // directories for any child package the update removed. 14017 final int deletedChildCount = (deletedPackage.childPackages != null) 14018 ? deletedPackage.childPackages.size() : 0; 14019 final int newChildCount = (newPackage.childPackages != null) 14020 ? newPackage.childPackages.size() : 0; 14021 for (int i = 0; i < deletedChildCount; i++) { 14022 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14023 boolean childPackageDeleted = true; 14024 for (int j = 0; j < newChildCount; j++) { 14025 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14026 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14027 childPackageDeleted = false; 14028 break; 14029 } 14030 } 14031 if (childPackageDeleted) { 14032 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14033 deletedChildPkg.packageName); 14034 if (ps != null && res.removedInfo.removedChildPackages != null) { 14035 PackageRemovedInfo removedChildRes = res.removedInfo 14036 .removedChildPackages.get(deletedChildPkg.packageName); 14037 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14038 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14039 } 14040 } 14041 } 14042 14043 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14044 prepareAppDataAfterInstallLIF(newPackage); 14045 } 14046 } catch (PackageManagerException e) { 14047 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14048 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14049 } 14050 14051 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14052 // Re installation failed. Restore old information 14053 // Remove new pkg information 14054 if (newPackage != null) { 14055 removeInstalledPackageLI(newPackage, true); 14056 } 14057 // Add back the old system package 14058 try { 14059 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14060 } catch (PackageManagerException e) { 14061 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14062 } 14063 14064 synchronized (mPackages) { 14065 if (disabledSystem) { 14066 enableSystemPackageLPw(deletedPackage); 14067 } 14068 14069 // Ensure the installer package name up to date 14070 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14071 14072 // Update permissions for restored package 14073 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14074 14075 mSettings.writeLPr(); 14076 } 14077 14078 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14079 + " after failed upgrade"); 14080 } 14081 } 14082 14083 /** 14084 * Checks whether the parent or any of the child packages have a change shared 14085 * user. For a package to be a valid update the shred users of the parent and 14086 * the children should match. We may later support changing child shared users. 14087 * @param oldPkg The updated package. 14088 * @param newPkg The update package. 14089 * @return The shared user that change between the versions. 14090 */ 14091 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14092 PackageParser.Package newPkg) { 14093 // Check parent shared user 14094 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14095 return newPkg.packageName; 14096 } 14097 // Check child shared users 14098 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14099 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14100 for (int i = 0; i < newChildCount; i++) { 14101 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14102 // If this child was present, did it have the same shared user? 14103 for (int j = 0; j < oldChildCount; j++) { 14104 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14105 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14106 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14107 return newChildPkg.packageName; 14108 } 14109 } 14110 } 14111 return null; 14112 } 14113 14114 private void removeNativeBinariesLI(PackageSetting ps) { 14115 // Remove the lib path for the parent package 14116 if (ps != null) { 14117 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14118 // Remove the lib path for the child packages 14119 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14120 for (int i = 0; i < childCount; i++) { 14121 PackageSetting childPs = null; 14122 synchronized (mPackages) { 14123 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14124 } 14125 if (childPs != null) { 14126 NativeLibraryHelper.removeNativeBinariesLI(childPs 14127 .legacyNativeLibraryPathString); 14128 } 14129 } 14130 } 14131 } 14132 14133 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14134 // Enable the parent package 14135 mSettings.enableSystemPackageLPw(pkg.packageName); 14136 // Enable the child packages 14137 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14138 for (int i = 0; i < childCount; i++) { 14139 PackageParser.Package childPkg = pkg.childPackages.get(i); 14140 mSettings.enableSystemPackageLPw(childPkg.packageName); 14141 } 14142 } 14143 14144 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14145 PackageParser.Package newPkg) { 14146 // Disable the parent package (parent always replaced) 14147 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14148 // Disable the child packages 14149 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14150 for (int i = 0; i < childCount; i++) { 14151 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14152 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14153 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14154 } 14155 return disabled; 14156 } 14157 14158 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14159 String installerPackageName) { 14160 // Enable the parent package 14161 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14162 // Enable the child packages 14163 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14164 for (int i = 0; i < childCount; i++) { 14165 PackageParser.Package childPkg = pkg.childPackages.get(i); 14166 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14167 } 14168 } 14169 14170 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14171 // Collect all used permissions in the UID 14172 ArraySet<String> usedPermissions = new ArraySet<>(); 14173 final int packageCount = su.packages.size(); 14174 for (int i = 0; i < packageCount; i++) { 14175 PackageSetting ps = su.packages.valueAt(i); 14176 if (ps.pkg == null) { 14177 continue; 14178 } 14179 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14180 for (int j = 0; j < requestedPermCount; j++) { 14181 String permission = ps.pkg.requestedPermissions.get(j); 14182 BasePermission bp = mSettings.mPermissions.get(permission); 14183 if (bp != null) { 14184 usedPermissions.add(permission); 14185 } 14186 } 14187 } 14188 14189 PermissionsState permissionsState = su.getPermissionsState(); 14190 // Prune install permissions 14191 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14192 final int installPermCount = installPermStates.size(); 14193 for (int i = installPermCount - 1; i >= 0; i--) { 14194 PermissionState permissionState = installPermStates.get(i); 14195 if (!usedPermissions.contains(permissionState.getName())) { 14196 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14197 if (bp != null) { 14198 permissionsState.revokeInstallPermission(bp); 14199 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14200 PackageManager.MASK_PERMISSION_FLAGS, 0); 14201 } 14202 } 14203 } 14204 14205 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14206 14207 // Prune runtime permissions 14208 for (int userId : allUserIds) { 14209 List<PermissionState> runtimePermStates = permissionsState 14210 .getRuntimePermissionStates(userId); 14211 final int runtimePermCount = runtimePermStates.size(); 14212 for (int i = runtimePermCount - 1; i >= 0; i--) { 14213 PermissionState permissionState = runtimePermStates.get(i); 14214 if (!usedPermissions.contains(permissionState.getName())) { 14215 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14216 if (bp != null) { 14217 permissionsState.revokeRuntimePermission(bp, userId); 14218 permissionsState.updatePermissionFlags(bp, userId, 14219 PackageManager.MASK_PERMISSION_FLAGS, 0); 14220 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14221 runtimePermissionChangedUserIds, userId); 14222 } 14223 } 14224 } 14225 } 14226 14227 return runtimePermissionChangedUserIds; 14228 } 14229 14230 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14231 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14232 // Update the parent package setting 14233 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14234 res, user); 14235 // Update the child packages setting 14236 final int childCount = (newPackage.childPackages != null) 14237 ? newPackage.childPackages.size() : 0; 14238 for (int i = 0; i < childCount; i++) { 14239 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14240 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14241 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14242 childRes.origUsers, childRes, user); 14243 } 14244 } 14245 14246 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14247 String installerPackageName, int[] allUsers, int[] installedForUsers, 14248 PackageInstalledInfo res, UserHandle user) { 14249 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14250 14251 String pkgName = newPackage.packageName; 14252 synchronized (mPackages) { 14253 //write settings. the installStatus will be incomplete at this stage. 14254 //note that the new package setting would have already been 14255 //added to mPackages. It hasn't been persisted yet. 14256 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14257 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14258 mSettings.writeLPr(); 14259 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14260 } 14261 14262 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14263 synchronized (mPackages) { 14264 updatePermissionsLPw(newPackage.packageName, newPackage, 14265 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14266 ? UPDATE_PERMISSIONS_ALL : 0)); 14267 // For system-bundled packages, we assume that installing an upgraded version 14268 // of the package implies that the user actually wants to run that new code, 14269 // so we enable the package. 14270 PackageSetting ps = mSettings.mPackages.get(pkgName); 14271 final int userId = user.getIdentifier(); 14272 if (ps != null) { 14273 if (isSystemApp(newPackage)) { 14274 if (DEBUG_INSTALL) { 14275 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14276 } 14277 // Enable system package for requested users 14278 if (res.origUsers != null) { 14279 for (int origUserId : res.origUsers) { 14280 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14281 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14282 origUserId, installerPackageName); 14283 } 14284 } 14285 } 14286 // Also convey the prior install/uninstall state 14287 if (allUsers != null && installedForUsers != null) { 14288 for (int currentUserId : allUsers) { 14289 final boolean installed = ArrayUtils.contains( 14290 installedForUsers, currentUserId); 14291 if (DEBUG_INSTALL) { 14292 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14293 } 14294 ps.setInstalled(installed, currentUserId); 14295 } 14296 // these install state changes will be persisted in the 14297 // upcoming call to mSettings.writeLPr(). 14298 } 14299 } 14300 // It's implied that when a user requests installation, they want the app to be 14301 // installed and enabled. 14302 if (userId != UserHandle.USER_ALL) { 14303 ps.setInstalled(true, userId); 14304 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14305 } 14306 } 14307 res.name = pkgName; 14308 res.uid = newPackage.applicationInfo.uid; 14309 res.pkg = newPackage; 14310 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14311 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14312 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14313 //to update install status 14314 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14315 mSettings.writeLPr(); 14316 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14317 } 14318 14319 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14320 } 14321 14322 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14323 try { 14324 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14325 installPackageLI(args, res); 14326 } finally { 14327 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14328 } 14329 } 14330 14331 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14332 final int installFlags = args.installFlags; 14333 final String installerPackageName = args.installerPackageName; 14334 final String volumeUuid = args.volumeUuid; 14335 final File tmpPackageFile = new File(args.getCodePath()); 14336 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14337 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14338 || (args.volumeUuid != null)); 14339 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14340 boolean replace = false; 14341 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14342 if (args.move != null) { 14343 // moving a complete application; perform an initial scan on the new install location 14344 scanFlags |= SCAN_INITIAL; 14345 } 14346 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14347 scanFlags |= SCAN_DONT_KILL_APP; 14348 } 14349 14350 // Result object to be returned 14351 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14352 14353 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14354 14355 // Sanity check 14356 if (ephemeral && (forwardLocked || onExternal)) { 14357 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14358 + " external=" + onExternal); 14359 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14360 return; 14361 } 14362 14363 // Retrieve PackageSettings and parse package 14364 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14365 | PackageParser.PARSE_ENFORCE_CODE 14366 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14367 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14368 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 14369 PackageParser pp = new PackageParser(); 14370 pp.setSeparateProcesses(mSeparateProcesses); 14371 pp.setDisplayMetrics(mMetrics); 14372 14373 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14374 final PackageParser.Package pkg; 14375 try { 14376 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14377 } catch (PackageParserException e) { 14378 res.setError("Failed parse during installPackageLI", e); 14379 return; 14380 } finally { 14381 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14382 } 14383 14384 // If we are installing a clustered package add results for the children 14385 if (pkg.childPackages != null) { 14386 synchronized (mPackages) { 14387 final int childCount = pkg.childPackages.size(); 14388 for (int i = 0; i < childCount; i++) { 14389 PackageParser.Package childPkg = pkg.childPackages.get(i); 14390 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14391 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14392 childRes.pkg = childPkg; 14393 childRes.name = childPkg.packageName; 14394 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14395 if (childPs != null) { 14396 childRes.origUsers = childPs.queryInstalledUsers( 14397 sUserManager.getUserIds(), true); 14398 } 14399 if ((mPackages.containsKey(childPkg.packageName))) { 14400 childRes.removedInfo = new PackageRemovedInfo(); 14401 childRes.removedInfo.removedPackage = childPkg.packageName; 14402 } 14403 if (res.addedChildPackages == null) { 14404 res.addedChildPackages = new ArrayMap<>(); 14405 } 14406 res.addedChildPackages.put(childPkg.packageName, childRes); 14407 } 14408 } 14409 } 14410 14411 // If package doesn't declare API override, mark that we have an install 14412 // time CPU ABI override. 14413 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14414 pkg.cpuAbiOverride = args.abiOverride; 14415 } 14416 14417 String pkgName = res.name = pkg.packageName; 14418 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14419 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14420 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14421 return; 14422 } 14423 } 14424 14425 try { 14426 // either use what we've been given or parse directly from the APK 14427 if (args.certificates != null) { 14428 try { 14429 PackageParser.populateCertificates(pkg, args.certificates); 14430 } catch (PackageParserException e) { 14431 // there was something wrong with the certificates we were given; 14432 // try to pull them from the APK 14433 PackageParser.collectCertificates(pkg, parseFlags); 14434 } 14435 } else { 14436 PackageParser.collectCertificates(pkg, parseFlags); 14437 } 14438 } catch (PackageParserException e) { 14439 res.setError("Failed collect during installPackageLI", e); 14440 return; 14441 } 14442 14443 // Get rid of all references to package scan path via parser. 14444 pp = null; 14445 String oldCodePath = null; 14446 boolean systemApp = false; 14447 synchronized (mPackages) { 14448 // Check if installing already existing package 14449 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14450 String oldName = mSettings.mRenamedPackages.get(pkgName); 14451 if (pkg.mOriginalPackages != null 14452 && pkg.mOriginalPackages.contains(oldName) 14453 && mPackages.containsKey(oldName)) { 14454 // This package is derived from an original package, 14455 // and this device has been updating from that original 14456 // name. We must continue using the original name, so 14457 // rename the new package here. 14458 pkg.setPackageName(oldName); 14459 pkgName = pkg.packageName; 14460 replace = true; 14461 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14462 + oldName + " pkgName=" + pkgName); 14463 } else if (mPackages.containsKey(pkgName)) { 14464 // This package, under its official name, already exists 14465 // on the device; we should replace it. 14466 replace = true; 14467 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14468 } 14469 14470 // Child packages are installed through the parent package 14471 if (pkg.parentPackage != null) { 14472 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14473 "Package " + pkg.packageName + " is child of package " 14474 + pkg.parentPackage.parentPackage + ". Child packages " 14475 + "can be updated only through the parent package."); 14476 return; 14477 } 14478 14479 if (replace) { 14480 // Prevent apps opting out from runtime permissions 14481 PackageParser.Package oldPackage = mPackages.get(pkgName); 14482 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14483 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14484 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14485 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14486 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14487 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14488 + " doesn't support runtime permissions but the old" 14489 + " target SDK " + oldTargetSdk + " does."); 14490 return; 14491 } 14492 14493 // Prevent installing of child packages 14494 if (oldPackage.parentPackage != null) { 14495 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14496 "Package " + pkg.packageName + " is child of package " 14497 + oldPackage.parentPackage + ". Child packages " 14498 + "can be updated only through the parent package."); 14499 return; 14500 } 14501 } 14502 } 14503 14504 PackageSetting ps = mSettings.mPackages.get(pkgName); 14505 if (ps != null) { 14506 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14507 14508 // Quick sanity check that we're signed correctly if updating; 14509 // we'll check this again later when scanning, but we want to 14510 // bail early here before tripping over redefined permissions. 14511 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14512 if (!checkUpgradeKeySetLP(ps, pkg)) { 14513 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14514 + pkg.packageName + " upgrade keys do not match the " 14515 + "previously installed version"); 14516 return; 14517 } 14518 } else { 14519 try { 14520 verifySignaturesLP(ps, pkg); 14521 } catch (PackageManagerException e) { 14522 res.setError(e.error, e.getMessage()); 14523 return; 14524 } 14525 } 14526 14527 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14528 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14529 systemApp = (ps.pkg.applicationInfo.flags & 14530 ApplicationInfo.FLAG_SYSTEM) != 0; 14531 } 14532 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14533 } 14534 14535 // Check whether the newly-scanned package wants to define an already-defined perm 14536 int N = pkg.permissions.size(); 14537 for (int i = N-1; i >= 0; i--) { 14538 PackageParser.Permission perm = pkg.permissions.get(i); 14539 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14540 if (bp != null) { 14541 // If the defining package is signed with our cert, it's okay. This 14542 // also includes the "updating the same package" case, of course. 14543 // "updating same package" could also involve key-rotation. 14544 final boolean sigsOk; 14545 if (bp.sourcePackage.equals(pkg.packageName) 14546 && (bp.packageSetting instanceof PackageSetting) 14547 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14548 scanFlags))) { 14549 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14550 } else { 14551 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14552 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14553 } 14554 if (!sigsOk) { 14555 // If the owning package is the system itself, we log but allow 14556 // install to proceed; we fail the install on all other permission 14557 // redefinitions. 14558 if (!bp.sourcePackage.equals("android")) { 14559 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14560 + pkg.packageName + " attempting to redeclare permission " 14561 + perm.info.name + " already owned by " + bp.sourcePackage); 14562 res.origPermission = perm.info.name; 14563 res.origPackage = bp.sourcePackage; 14564 return; 14565 } else { 14566 Slog.w(TAG, "Package " + pkg.packageName 14567 + " attempting to redeclare system permission " 14568 + perm.info.name + "; ignoring new declaration"); 14569 pkg.permissions.remove(i); 14570 } 14571 } 14572 } 14573 } 14574 } 14575 14576 if (systemApp) { 14577 if (onExternal) { 14578 // Abort update; system app can't be replaced with app on sdcard 14579 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14580 "Cannot install updates to system apps on sdcard"); 14581 return; 14582 } else if (ephemeral) { 14583 // Abort update; system app can't be replaced with an ephemeral app 14584 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14585 "Cannot update a system app with an ephemeral app"); 14586 return; 14587 } 14588 } 14589 14590 if (args.move != null) { 14591 // We did an in-place move, so dex is ready to roll 14592 scanFlags |= SCAN_NO_DEX; 14593 scanFlags |= SCAN_MOVE; 14594 14595 synchronized (mPackages) { 14596 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14597 if (ps == null) { 14598 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14599 "Missing settings for moved package " + pkgName); 14600 } 14601 14602 // We moved the entire application as-is, so bring over the 14603 // previously derived ABI information. 14604 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14605 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14606 } 14607 14608 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14609 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14610 scanFlags |= SCAN_NO_DEX; 14611 14612 try { 14613 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14614 args.abiOverride : pkg.cpuAbiOverride); 14615 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14616 true /* extract libs */); 14617 } catch (PackageManagerException pme) { 14618 Slog.e(TAG, "Error deriving application ABI", pme); 14619 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14620 return; 14621 } 14622 14623 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14624 // Do not run PackageDexOptimizer through the local performDexOpt 14625 // method because `pkg` is not in `mPackages` yet. 14626 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14627 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14628 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14629 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14630 String msg = "Extracting package failed for " + pkgName; 14631 res.setError(INSTALL_FAILED_DEXOPT, msg); 14632 return; 14633 } 14634 14635 // Notify BackgroundDexOptService that the package has been changed. 14636 // If this is an update of a package which used to fail to compile, 14637 // BDOS will remove it from its blacklist. 14638 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14639 } 14640 14641 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14642 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14643 return; 14644 } 14645 14646 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14647 14648 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14649 "installPackageLI")) { 14650 if (replace) { 14651 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14652 installerPackageName, res); 14653 } else { 14654 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14655 args.user, installerPackageName, volumeUuid, res); 14656 } 14657 } 14658 synchronized (mPackages) { 14659 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14660 if (ps != null) { 14661 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14662 } 14663 14664 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14665 for (int i = 0; i < childCount; i++) { 14666 PackageParser.Package childPkg = pkg.childPackages.get(i); 14667 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14668 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14669 if (childPs != null) { 14670 childRes.newUsers = childPs.queryInstalledUsers( 14671 sUserManager.getUserIds(), true); 14672 } 14673 } 14674 } 14675 } 14676 14677 private void startIntentFilterVerifications(int userId, boolean replacing, 14678 PackageParser.Package pkg) { 14679 if (mIntentFilterVerifierComponent == null) { 14680 Slog.w(TAG, "No IntentFilter verification will not be done as " 14681 + "there is no IntentFilterVerifier available!"); 14682 return; 14683 } 14684 14685 final int verifierUid = getPackageUid( 14686 mIntentFilterVerifierComponent.getPackageName(), 14687 MATCH_DEBUG_TRIAGED_MISSING, 14688 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14689 14690 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14691 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14692 mHandler.sendMessage(msg); 14693 14694 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14695 for (int i = 0; i < childCount; i++) { 14696 PackageParser.Package childPkg = pkg.childPackages.get(i); 14697 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14698 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14699 mHandler.sendMessage(msg); 14700 } 14701 } 14702 14703 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14704 PackageParser.Package pkg) { 14705 int size = pkg.activities.size(); 14706 if (size == 0) { 14707 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14708 "No activity, so no need to verify any IntentFilter!"); 14709 return; 14710 } 14711 14712 final boolean hasDomainURLs = hasDomainURLs(pkg); 14713 if (!hasDomainURLs) { 14714 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14715 "No domain URLs, so no need to verify any IntentFilter!"); 14716 return; 14717 } 14718 14719 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14720 + " if any IntentFilter from the " + size 14721 + " Activities needs verification ..."); 14722 14723 int count = 0; 14724 final String packageName = pkg.packageName; 14725 14726 synchronized (mPackages) { 14727 // If this is a new install and we see that we've already run verification for this 14728 // package, we have nothing to do: it means the state was restored from backup. 14729 if (!replacing) { 14730 IntentFilterVerificationInfo ivi = 14731 mSettings.getIntentFilterVerificationLPr(packageName); 14732 if (ivi != null) { 14733 if (DEBUG_DOMAIN_VERIFICATION) { 14734 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14735 + ivi.getStatusString()); 14736 } 14737 return; 14738 } 14739 } 14740 14741 // If any filters need to be verified, then all need to be. 14742 boolean needToVerify = false; 14743 for (PackageParser.Activity a : pkg.activities) { 14744 for (ActivityIntentInfo filter : a.intents) { 14745 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14746 if (DEBUG_DOMAIN_VERIFICATION) { 14747 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14748 } 14749 needToVerify = true; 14750 break; 14751 } 14752 } 14753 } 14754 14755 if (needToVerify) { 14756 final int verificationId = mIntentFilterVerificationToken++; 14757 for (PackageParser.Activity a : pkg.activities) { 14758 for (ActivityIntentInfo filter : a.intents) { 14759 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14760 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14761 "Verification needed for IntentFilter:" + filter.toString()); 14762 mIntentFilterVerifier.addOneIntentFilterVerification( 14763 verifierUid, userId, verificationId, filter, packageName); 14764 count++; 14765 } 14766 } 14767 } 14768 } 14769 } 14770 14771 if (count > 0) { 14772 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14773 + " IntentFilter verification" + (count > 1 ? "s" : "") 14774 + " for userId:" + userId); 14775 mIntentFilterVerifier.startVerifications(userId); 14776 } else { 14777 if (DEBUG_DOMAIN_VERIFICATION) { 14778 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14779 } 14780 } 14781 } 14782 14783 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14784 final ComponentName cn = filter.activity.getComponentName(); 14785 final String packageName = cn.getPackageName(); 14786 14787 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14788 packageName); 14789 if (ivi == null) { 14790 return true; 14791 } 14792 int status = ivi.getStatus(); 14793 switch (status) { 14794 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14795 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14796 return true; 14797 14798 default: 14799 // Nothing to do 14800 return false; 14801 } 14802 } 14803 14804 private static boolean isMultiArch(ApplicationInfo info) { 14805 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14806 } 14807 14808 private static boolean isExternal(PackageParser.Package pkg) { 14809 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14810 } 14811 14812 private static boolean isExternal(PackageSetting ps) { 14813 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14814 } 14815 14816 private static boolean isEphemeral(PackageParser.Package pkg) { 14817 return pkg.applicationInfo.isEphemeralApp(); 14818 } 14819 14820 private static boolean isEphemeral(PackageSetting ps) { 14821 return ps.pkg != null && isEphemeral(ps.pkg); 14822 } 14823 14824 private static boolean isSystemApp(PackageParser.Package pkg) { 14825 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14826 } 14827 14828 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14829 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14830 } 14831 14832 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14833 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14834 } 14835 14836 private static boolean isSystemApp(PackageSetting ps) { 14837 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14838 } 14839 14840 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14841 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14842 } 14843 14844 private int packageFlagsToInstallFlags(PackageSetting ps) { 14845 int installFlags = 0; 14846 if (isEphemeral(ps)) { 14847 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14848 } 14849 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14850 // This existing package was an external ASEC install when we have 14851 // the external flag without a UUID 14852 installFlags |= PackageManager.INSTALL_EXTERNAL; 14853 } 14854 if (ps.isForwardLocked()) { 14855 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14856 } 14857 return installFlags; 14858 } 14859 14860 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14861 if (isExternal(pkg)) { 14862 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14863 return StorageManager.UUID_PRIMARY_PHYSICAL; 14864 } else { 14865 return pkg.volumeUuid; 14866 } 14867 } else { 14868 return StorageManager.UUID_PRIVATE_INTERNAL; 14869 } 14870 } 14871 14872 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14873 if (isExternal(pkg)) { 14874 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14875 return mSettings.getExternalVersion(); 14876 } else { 14877 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14878 } 14879 } else { 14880 return mSettings.getInternalVersion(); 14881 } 14882 } 14883 14884 private void deleteTempPackageFiles() { 14885 final FilenameFilter filter = new FilenameFilter() { 14886 public boolean accept(File dir, String name) { 14887 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14888 } 14889 }; 14890 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14891 file.delete(); 14892 } 14893 } 14894 14895 @Override 14896 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14897 int flags) { 14898 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14899 flags); 14900 } 14901 14902 @Override 14903 public void deletePackage(final String packageName, 14904 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 14905 mContext.enforceCallingOrSelfPermission( 14906 android.Manifest.permission.DELETE_PACKAGES, null); 14907 Preconditions.checkNotNull(packageName); 14908 Preconditions.checkNotNull(observer); 14909 final int uid = Binder.getCallingUid(); 14910 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 14911 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14912 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14913 mContext.enforceCallingOrSelfPermission( 14914 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14915 "deletePackage for user " + userId); 14916 } 14917 14918 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14919 try { 14920 observer.onPackageDeleted(packageName, 14921 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14922 } catch (RemoteException re) { 14923 } 14924 return; 14925 } 14926 14927 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14928 try { 14929 observer.onPackageDeleted(packageName, 14930 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14931 } catch (RemoteException re) { 14932 } 14933 return; 14934 } 14935 14936 if (DEBUG_REMOVE) { 14937 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14938 + " deleteAllUsers: " + deleteAllUsers ); 14939 } 14940 // Queue up an async operation since the package deletion may take a little while. 14941 mHandler.post(new Runnable() { 14942 public void run() { 14943 mHandler.removeCallbacks(this); 14944 int returnCode; 14945 if (!deleteAllUsers) { 14946 returnCode = deletePackageX(packageName, userId, deleteFlags); 14947 } else { 14948 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14949 // If nobody is blocking uninstall, proceed with delete for all users 14950 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14951 returnCode = deletePackageX(packageName, userId, deleteFlags); 14952 } else { 14953 // Otherwise uninstall individually for users with blockUninstalls=false 14954 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 14955 for (int userId : users) { 14956 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14957 returnCode = deletePackageX(packageName, userId, userFlags); 14958 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14959 Slog.w(TAG, "Package delete failed for user " + userId 14960 + ", returnCode " + returnCode); 14961 } 14962 } 14963 } 14964 // The app has only been marked uninstalled for certain users. 14965 // We still need to report that delete was blocked 14966 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14967 } 14968 } 14969 try { 14970 observer.onPackageDeleted(packageName, returnCode, null); 14971 } catch (RemoteException e) { 14972 Log.i(TAG, "Observer no longer exists."); 14973 } //end catch 14974 } //end run 14975 }); 14976 } 14977 14978 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14979 int[] result = EMPTY_INT_ARRAY; 14980 for (int userId : userIds) { 14981 if (getBlockUninstallForUser(packageName, userId)) { 14982 result = ArrayUtils.appendInt(result, userId); 14983 } 14984 } 14985 return result; 14986 } 14987 14988 @Override 14989 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14990 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14991 } 14992 14993 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14994 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14995 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14996 try { 14997 if (dpm != null) { 14998 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14999 /* callingUserOnly =*/ false); 15000 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15001 : deviceOwnerComponentName.getPackageName(); 15002 // Does the package contains the device owner? 15003 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15004 // this check is probably not needed, since DO should be registered as a device 15005 // admin on some user too. (Original bug for this: b/17657954) 15006 if (packageName.equals(deviceOwnerPackageName)) { 15007 return true; 15008 } 15009 // Does it contain a device admin for any user? 15010 int[] users; 15011 if (userId == UserHandle.USER_ALL) { 15012 users = sUserManager.getUserIds(); 15013 } else { 15014 users = new int[]{userId}; 15015 } 15016 for (int i = 0; i < users.length; ++i) { 15017 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15018 return true; 15019 } 15020 } 15021 } 15022 } catch (RemoteException e) { 15023 } 15024 return false; 15025 } 15026 15027 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15028 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15029 } 15030 15031 /** 15032 * This method is an internal method that could be get invoked either 15033 * to delete an installed package or to clean up a failed installation. 15034 * After deleting an installed package, a broadcast is sent to notify any 15035 * listeners that the package has been removed. For cleaning up a failed 15036 * installation, the broadcast is not necessary since the package's 15037 * installation wouldn't have sent the initial broadcast either 15038 * The key steps in deleting a package are 15039 * deleting the package information in internal structures like mPackages, 15040 * deleting the packages base directories through installd 15041 * updating mSettings to reflect current status 15042 * persisting settings for later use 15043 * sending a broadcast if necessary 15044 */ 15045 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15046 final PackageRemovedInfo info = new PackageRemovedInfo(); 15047 final boolean res; 15048 15049 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15050 ? UserHandle.ALL : new UserHandle(userId); 15051 15052 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15053 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15054 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15055 } 15056 15057 PackageSetting uninstalledPs = null; 15058 15059 // for the uninstall-updates case and restricted profiles, remember the per- 15060 // user handle installed state 15061 int[] allUsers; 15062 synchronized (mPackages) { 15063 uninstalledPs = mSettings.mPackages.get(packageName); 15064 if (uninstalledPs == null) { 15065 Slog.w(TAG, "Not removing non-existent package " + packageName); 15066 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15067 } 15068 allUsers = sUserManager.getUserIds(); 15069 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15070 } 15071 15072 synchronized (mInstallLock) { 15073 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15074 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15075 "deletePackageX")) { 15076 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15077 deleteFlags | REMOVE_CHATTY, info, true, null); 15078 } 15079 synchronized (mPackages) { 15080 if (res) { 15081 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15082 } 15083 } 15084 } 15085 15086 if (res) { 15087 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15088 info.sendPackageRemovedBroadcasts(killApp); 15089 info.sendSystemPackageUpdatedBroadcasts(); 15090 info.sendSystemPackageAppearedBroadcasts(); 15091 } 15092 // Force a gc here. 15093 Runtime.getRuntime().gc(); 15094 // Delete the resources here after sending the broadcast to let 15095 // other processes clean up before deleting resources. 15096 if (info.args != null) { 15097 synchronized (mInstallLock) { 15098 info.args.doPostDeleteLI(true); 15099 } 15100 } 15101 15102 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15103 } 15104 15105 class PackageRemovedInfo { 15106 String removedPackage; 15107 int uid = -1; 15108 int removedAppId = -1; 15109 int[] origUsers; 15110 int[] removedUsers = null; 15111 boolean isRemovedPackageSystemUpdate = false; 15112 boolean isUpdate; 15113 boolean dataRemoved; 15114 boolean removedForAllUsers; 15115 // Clean up resources deleted packages. 15116 InstallArgs args = null; 15117 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15118 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15119 15120 void sendPackageRemovedBroadcasts(boolean killApp) { 15121 sendPackageRemovedBroadcastInternal(killApp); 15122 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15123 for (int i = 0; i < childCount; i++) { 15124 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15125 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15126 } 15127 } 15128 15129 void sendSystemPackageUpdatedBroadcasts() { 15130 if (isRemovedPackageSystemUpdate) { 15131 sendSystemPackageUpdatedBroadcastsInternal(); 15132 final int childCount = (removedChildPackages != null) 15133 ? removedChildPackages.size() : 0; 15134 for (int i = 0; i < childCount; i++) { 15135 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15136 if (childInfo.isRemovedPackageSystemUpdate) { 15137 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15138 } 15139 } 15140 } 15141 } 15142 15143 void sendSystemPackageAppearedBroadcasts() { 15144 final int packageCount = (appearedChildPackages != null) 15145 ? appearedChildPackages.size() : 0; 15146 for (int i = 0; i < packageCount; i++) { 15147 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15148 for (int userId : installedInfo.newUsers) { 15149 sendPackageAddedForUser(installedInfo.name, true, 15150 UserHandle.getAppId(installedInfo.uid), userId); 15151 } 15152 } 15153 } 15154 15155 private void sendSystemPackageUpdatedBroadcastsInternal() { 15156 Bundle extras = new Bundle(2); 15157 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15158 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15159 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15160 extras, 0, null, null, null); 15161 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15162 extras, 0, null, null, null); 15163 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15164 null, 0, removedPackage, null, null); 15165 } 15166 15167 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15168 Bundle extras = new Bundle(2); 15169 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15170 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15171 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15172 if (isUpdate || isRemovedPackageSystemUpdate) { 15173 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15174 } 15175 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15176 if (removedPackage != null) { 15177 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15178 extras, 0, null, null, removedUsers); 15179 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15180 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15181 removedPackage, extras, 0, null, null, removedUsers); 15182 } 15183 } 15184 if (removedAppId >= 0) { 15185 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15186 removedUsers); 15187 } 15188 } 15189 } 15190 15191 /* 15192 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15193 * flag is not set, the data directory is removed as well. 15194 * make sure this flag is set for partially installed apps. If not its meaningless to 15195 * delete a partially installed application. 15196 */ 15197 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15198 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15199 String packageName = ps.name; 15200 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15201 // Retrieve object to delete permissions for shared user later on 15202 final PackageParser.Package deletedPkg; 15203 final PackageSetting deletedPs; 15204 // reader 15205 synchronized (mPackages) { 15206 deletedPkg = mPackages.get(packageName); 15207 deletedPs = mSettings.mPackages.get(packageName); 15208 if (outInfo != null) { 15209 outInfo.removedPackage = packageName; 15210 outInfo.removedUsers = deletedPs != null 15211 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15212 : null; 15213 } 15214 } 15215 15216 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15217 15218 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15219 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15220 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15221 destroyAppProfilesLIF(deletedPkg); 15222 if (outInfo != null) { 15223 outInfo.dataRemoved = true; 15224 } 15225 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15226 } 15227 15228 // writer 15229 synchronized (mPackages) { 15230 if (deletedPs != null) { 15231 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15232 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15233 clearDefaultBrowserIfNeeded(packageName); 15234 if (outInfo != null) { 15235 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15236 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15237 } 15238 updatePermissionsLPw(deletedPs.name, null, 0); 15239 if (deletedPs.sharedUser != null) { 15240 // Remove permissions associated with package. Since runtime 15241 // permissions are per user we have to kill the removed package 15242 // or packages running under the shared user of the removed 15243 // package if revoking the permissions requested only by the removed 15244 // package is successful and this causes a change in gids. 15245 for (int userId : UserManagerService.getInstance().getUserIds()) { 15246 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15247 userId); 15248 if (userIdToKill == UserHandle.USER_ALL 15249 || userIdToKill >= UserHandle.USER_SYSTEM) { 15250 // If gids changed for this user, kill all affected packages. 15251 mHandler.post(new Runnable() { 15252 @Override 15253 public void run() { 15254 // This has to happen with no lock held. 15255 killApplication(deletedPs.name, deletedPs.appId, 15256 KILL_APP_REASON_GIDS_CHANGED); 15257 } 15258 }); 15259 break; 15260 } 15261 } 15262 } 15263 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15264 } 15265 // make sure to preserve per-user disabled state if this removal was just 15266 // a downgrade of a system app to the factory package 15267 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15268 if (DEBUG_REMOVE) { 15269 Slog.d(TAG, "Propagating install state across downgrade"); 15270 } 15271 for (int userId : allUserHandles) { 15272 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15273 if (DEBUG_REMOVE) { 15274 Slog.d(TAG, " user " + userId + " => " + installed); 15275 } 15276 ps.setInstalled(installed, userId); 15277 } 15278 } 15279 } 15280 // can downgrade to reader 15281 if (writeSettings) { 15282 // Save settings now 15283 mSettings.writeLPr(); 15284 } 15285 } 15286 if (outInfo != null) { 15287 // A user ID was deleted here. Go through all users and remove it 15288 // from KeyStore. 15289 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15290 } 15291 } 15292 15293 static boolean locationIsPrivileged(File path) { 15294 try { 15295 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15296 .getCanonicalPath(); 15297 return path.getCanonicalPath().startsWith(privilegedAppDir); 15298 } catch (IOException e) { 15299 Slog.e(TAG, "Unable to access code path " + path); 15300 } 15301 return false; 15302 } 15303 15304 /* 15305 * Tries to delete system package. 15306 */ 15307 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15308 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15309 boolean writeSettings) { 15310 if (deletedPs.parentPackageName != null) { 15311 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15312 return false; 15313 } 15314 15315 final boolean applyUserRestrictions 15316 = (allUserHandles != null) && (outInfo.origUsers != null); 15317 final PackageSetting disabledPs; 15318 // Confirm if the system package has been updated 15319 // An updated system app can be deleted. This will also have to restore 15320 // the system pkg from system partition 15321 // reader 15322 synchronized (mPackages) { 15323 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15324 } 15325 15326 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15327 + " disabledPs=" + disabledPs); 15328 15329 if (disabledPs == null) { 15330 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15331 return false; 15332 } else if (DEBUG_REMOVE) { 15333 Slog.d(TAG, "Deleting system pkg from data partition"); 15334 } 15335 15336 if (DEBUG_REMOVE) { 15337 if (applyUserRestrictions) { 15338 Slog.d(TAG, "Remembering install states:"); 15339 for (int userId : allUserHandles) { 15340 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15341 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15342 } 15343 } 15344 } 15345 15346 // Delete the updated package 15347 outInfo.isRemovedPackageSystemUpdate = true; 15348 if (outInfo.removedChildPackages != null) { 15349 final int childCount = (deletedPs.childPackageNames != null) 15350 ? deletedPs.childPackageNames.size() : 0; 15351 for (int i = 0; i < childCount; i++) { 15352 String childPackageName = deletedPs.childPackageNames.get(i); 15353 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15354 .contains(childPackageName)) { 15355 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15356 childPackageName); 15357 if (childInfo != null) { 15358 childInfo.isRemovedPackageSystemUpdate = true; 15359 } 15360 } 15361 } 15362 } 15363 15364 if (disabledPs.versionCode < deletedPs.versionCode) { 15365 // Delete data for downgrades 15366 flags &= ~PackageManager.DELETE_KEEP_DATA; 15367 } else { 15368 // Preserve data by setting flag 15369 flags |= PackageManager.DELETE_KEEP_DATA; 15370 } 15371 15372 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15373 outInfo, writeSettings, disabledPs.pkg); 15374 if (!ret) { 15375 return false; 15376 } 15377 15378 // writer 15379 synchronized (mPackages) { 15380 // Reinstate the old system package 15381 enableSystemPackageLPw(disabledPs.pkg); 15382 // Remove any native libraries from the upgraded package. 15383 removeNativeBinariesLI(deletedPs); 15384 } 15385 15386 // Install the system package 15387 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15388 int parseFlags = mDefParseFlags 15389 | PackageParser.PARSE_MUST_BE_APK 15390 | PackageParser.PARSE_IS_SYSTEM 15391 | PackageParser.PARSE_IS_SYSTEM_DIR; 15392 if (locationIsPrivileged(disabledPs.codePath)) { 15393 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15394 } 15395 15396 final PackageParser.Package newPkg; 15397 try { 15398 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15399 } catch (PackageManagerException e) { 15400 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15401 + e.getMessage()); 15402 return false; 15403 } 15404 15405 prepareAppDataAfterInstallLIF(newPkg); 15406 15407 // writer 15408 synchronized (mPackages) { 15409 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15410 15411 // Propagate the permissions state as we do not want to drop on the floor 15412 // runtime permissions. The update permissions method below will take 15413 // care of removing obsolete permissions and grant install permissions. 15414 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15415 updatePermissionsLPw(newPkg.packageName, newPkg, 15416 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15417 15418 if (applyUserRestrictions) { 15419 if (DEBUG_REMOVE) { 15420 Slog.d(TAG, "Propagating install state across reinstall"); 15421 } 15422 for (int userId : allUserHandles) { 15423 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15424 if (DEBUG_REMOVE) { 15425 Slog.d(TAG, " user " + userId + " => " + installed); 15426 } 15427 ps.setInstalled(installed, userId); 15428 15429 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15430 } 15431 // Regardless of writeSettings we need to ensure that this restriction 15432 // state propagation is persisted 15433 mSettings.writeAllUsersPackageRestrictionsLPr(); 15434 } 15435 // can downgrade to reader here 15436 if (writeSettings) { 15437 mSettings.writeLPr(); 15438 } 15439 } 15440 return true; 15441 } 15442 15443 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15444 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15445 PackageRemovedInfo outInfo, boolean writeSettings, 15446 PackageParser.Package replacingPackage) { 15447 synchronized (mPackages) { 15448 if (outInfo != null) { 15449 outInfo.uid = ps.appId; 15450 } 15451 15452 if (outInfo != null && outInfo.removedChildPackages != null) { 15453 final int childCount = (ps.childPackageNames != null) 15454 ? ps.childPackageNames.size() : 0; 15455 for (int i = 0; i < childCount; i++) { 15456 String childPackageName = ps.childPackageNames.get(i); 15457 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15458 if (childPs == null) { 15459 return false; 15460 } 15461 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15462 childPackageName); 15463 if (childInfo != null) { 15464 childInfo.uid = childPs.appId; 15465 } 15466 } 15467 } 15468 } 15469 15470 // Delete package data from internal structures and also remove data if flag is set 15471 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15472 15473 // Delete the child packages data 15474 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15475 for (int i = 0; i < childCount; i++) { 15476 PackageSetting childPs; 15477 synchronized (mPackages) { 15478 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15479 } 15480 if (childPs != null) { 15481 PackageRemovedInfo childOutInfo = (outInfo != null 15482 && outInfo.removedChildPackages != null) 15483 ? outInfo.removedChildPackages.get(childPs.name) : null; 15484 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15485 && (replacingPackage != null 15486 && !replacingPackage.hasChildPackage(childPs.name)) 15487 ? flags & ~DELETE_KEEP_DATA : flags; 15488 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15489 deleteFlags, writeSettings); 15490 } 15491 } 15492 15493 // Delete application code and resources only for parent packages 15494 if (ps.parentPackageName == null) { 15495 if (deleteCodeAndResources && (outInfo != null)) { 15496 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15497 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15498 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15499 } 15500 } 15501 15502 return true; 15503 } 15504 15505 @Override 15506 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15507 int userId) { 15508 mContext.enforceCallingOrSelfPermission( 15509 android.Manifest.permission.DELETE_PACKAGES, null); 15510 synchronized (mPackages) { 15511 PackageSetting ps = mSettings.mPackages.get(packageName); 15512 if (ps == null) { 15513 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15514 return false; 15515 } 15516 if (!ps.getInstalled(userId)) { 15517 // Can't block uninstall for an app that is not installed or enabled. 15518 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15519 return false; 15520 } 15521 ps.setBlockUninstall(blockUninstall, userId); 15522 mSettings.writePackageRestrictionsLPr(userId); 15523 } 15524 return true; 15525 } 15526 15527 @Override 15528 public boolean getBlockUninstallForUser(String packageName, int userId) { 15529 synchronized (mPackages) { 15530 PackageSetting ps = mSettings.mPackages.get(packageName); 15531 if (ps == null) { 15532 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15533 return false; 15534 } 15535 return ps.getBlockUninstall(userId); 15536 } 15537 } 15538 15539 @Override 15540 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15541 int callingUid = Binder.getCallingUid(); 15542 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15543 throw new SecurityException( 15544 "setRequiredForSystemUser can only be run by the system or root"); 15545 } 15546 synchronized (mPackages) { 15547 PackageSetting ps = mSettings.mPackages.get(packageName); 15548 if (ps == null) { 15549 Log.w(TAG, "Package doesn't exist: " + packageName); 15550 return false; 15551 } 15552 if (systemUserApp) { 15553 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15554 } else { 15555 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15556 } 15557 mSettings.writeLPr(); 15558 } 15559 return true; 15560 } 15561 15562 /* 15563 * This method handles package deletion in general 15564 */ 15565 private boolean deletePackageLIF(String packageName, UserHandle user, 15566 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15567 PackageRemovedInfo outInfo, boolean writeSettings, 15568 PackageParser.Package replacingPackage) { 15569 if (packageName == null) { 15570 Slog.w(TAG, "Attempt to delete null packageName."); 15571 return false; 15572 } 15573 15574 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15575 15576 PackageSetting ps; 15577 15578 synchronized (mPackages) { 15579 ps = mSettings.mPackages.get(packageName); 15580 if (ps == null) { 15581 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15582 return false; 15583 } 15584 15585 if (ps.parentPackageName != null && (!isSystemApp(ps) 15586 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15587 if (DEBUG_REMOVE) { 15588 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15589 + ((user == null) ? UserHandle.USER_ALL : user)); 15590 } 15591 final int removedUserId = (user != null) ? user.getIdentifier() 15592 : UserHandle.USER_ALL; 15593 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15594 return false; 15595 } 15596 markPackageUninstalledForUserLPw(ps, user); 15597 scheduleWritePackageRestrictionsLocked(user); 15598 return true; 15599 } 15600 } 15601 15602 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15603 && user.getIdentifier() != UserHandle.USER_ALL)) { 15604 // The caller is asking that the package only be deleted for a single 15605 // user. To do this, we just mark its uninstalled state and delete 15606 // its data. If this is a system app, we only allow this to happen if 15607 // they have set the special DELETE_SYSTEM_APP which requests different 15608 // semantics than normal for uninstalling system apps. 15609 markPackageUninstalledForUserLPw(ps, user); 15610 15611 if (!isSystemApp(ps)) { 15612 // Do not uninstall the APK if an app should be cached 15613 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15614 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15615 // Other user still have this package installed, so all 15616 // we need to do is clear this user's data and save that 15617 // it is uninstalled. 15618 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15619 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15620 return false; 15621 } 15622 scheduleWritePackageRestrictionsLocked(user); 15623 return true; 15624 } else { 15625 // We need to set it back to 'installed' so the uninstall 15626 // broadcasts will be sent correctly. 15627 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15628 ps.setInstalled(true, user.getIdentifier()); 15629 } 15630 } else { 15631 // This is a system app, so we assume that the 15632 // other users still have this package installed, so all 15633 // we need to do is clear this user's data and save that 15634 // it is uninstalled. 15635 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15636 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15637 return false; 15638 } 15639 scheduleWritePackageRestrictionsLocked(user); 15640 return true; 15641 } 15642 } 15643 15644 // If we are deleting a composite package for all users, keep track 15645 // of result for each child. 15646 if (ps.childPackageNames != null && outInfo != null) { 15647 synchronized (mPackages) { 15648 final int childCount = ps.childPackageNames.size(); 15649 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15650 for (int i = 0; i < childCount; i++) { 15651 String childPackageName = ps.childPackageNames.get(i); 15652 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15653 childInfo.removedPackage = childPackageName; 15654 outInfo.removedChildPackages.put(childPackageName, childInfo); 15655 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15656 if (childPs != null) { 15657 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15658 } 15659 } 15660 } 15661 } 15662 15663 boolean ret = false; 15664 if (isSystemApp(ps)) { 15665 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15666 // When an updated system application is deleted we delete the existing resources 15667 // as well and fall back to existing code in system partition 15668 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15669 } else { 15670 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15671 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15672 outInfo, writeSettings, replacingPackage); 15673 } 15674 15675 // Take a note whether we deleted the package for all users 15676 if (outInfo != null) { 15677 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15678 if (outInfo.removedChildPackages != null) { 15679 synchronized (mPackages) { 15680 final int childCount = outInfo.removedChildPackages.size(); 15681 for (int i = 0; i < childCount; i++) { 15682 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15683 if (childInfo != null) { 15684 childInfo.removedForAllUsers = mPackages.get( 15685 childInfo.removedPackage) == null; 15686 } 15687 } 15688 } 15689 } 15690 // If we uninstalled an update to a system app there may be some 15691 // child packages that appeared as they are declared in the system 15692 // app but were not declared in the update. 15693 if (isSystemApp(ps)) { 15694 synchronized (mPackages) { 15695 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15696 final int childCount = (updatedPs.childPackageNames != null) 15697 ? updatedPs.childPackageNames.size() : 0; 15698 for (int i = 0; i < childCount; i++) { 15699 String childPackageName = updatedPs.childPackageNames.get(i); 15700 if (outInfo.removedChildPackages == null 15701 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15702 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15703 if (childPs == null) { 15704 continue; 15705 } 15706 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15707 installRes.name = childPackageName; 15708 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15709 installRes.pkg = mPackages.get(childPackageName); 15710 installRes.uid = childPs.pkg.applicationInfo.uid; 15711 if (outInfo.appearedChildPackages == null) { 15712 outInfo.appearedChildPackages = new ArrayMap<>(); 15713 } 15714 outInfo.appearedChildPackages.put(childPackageName, installRes); 15715 } 15716 } 15717 } 15718 } 15719 } 15720 15721 return ret; 15722 } 15723 15724 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15725 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15726 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15727 for (int nextUserId : userIds) { 15728 if (DEBUG_REMOVE) { 15729 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15730 } 15731 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15732 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15733 false /*hidden*/, false /*suspended*/, null, null, null, 15734 false /*blockUninstall*/, 15735 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15736 } 15737 } 15738 15739 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15740 PackageRemovedInfo outInfo) { 15741 final PackageParser.Package pkg; 15742 synchronized (mPackages) { 15743 pkg = mPackages.get(ps.name); 15744 } 15745 15746 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15747 : new int[] {userId}; 15748 for (int nextUserId : userIds) { 15749 if (DEBUG_REMOVE) { 15750 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15751 + nextUserId); 15752 } 15753 15754 destroyAppDataLIF(pkg, userId, 15755 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15756 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15757 schedulePackageCleaning(ps.name, nextUserId, false); 15758 synchronized (mPackages) { 15759 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15760 scheduleWritePackageRestrictionsLocked(nextUserId); 15761 } 15762 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15763 } 15764 } 15765 15766 if (outInfo != null) { 15767 outInfo.removedPackage = ps.name; 15768 outInfo.removedAppId = ps.appId; 15769 outInfo.removedUsers = userIds; 15770 } 15771 15772 return true; 15773 } 15774 15775 private final class ClearStorageConnection implements ServiceConnection { 15776 IMediaContainerService mContainerService; 15777 15778 @Override 15779 public void onServiceConnected(ComponentName name, IBinder service) { 15780 synchronized (this) { 15781 mContainerService = IMediaContainerService.Stub.asInterface(service); 15782 notifyAll(); 15783 } 15784 } 15785 15786 @Override 15787 public void onServiceDisconnected(ComponentName name) { 15788 } 15789 } 15790 15791 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15792 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15793 15794 final boolean mounted; 15795 if (Environment.isExternalStorageEmulated()) { 15796 mounted = true; 15797 } else { 15798 final String status = Environment.getExternalStorageState(); 15799 15800 mounted = status.equals(Environment.MEDIA_MOUNTED) 15801 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15802 } 15803 15804 if (!mounted) { 15805 return; 15806 } 15807 15808 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15809 int[] users; 15810 if (userId == UserHandle.USER_ALL) { 15811 users = sUserManager.getUserIds(); 15812 } else { 15813 users = new int[] { userId }; 15814 } 15815 final ClearStorageConnection conn = new ClearStorageConnection(); 15816 if (mContext.bindServiceAsUser( 15817 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15818 try { 15819 for (int curUser : users) { 15820 long timeout = SystemClock.uptimeMillis() + 5000; 15821 synchronized (conn) { 15822 long now = SystemClock.uptimeMillis(); 15823 while (conn.mContainerService == null && now < timeout) { 15824 try { 15825 conn.wait(timeout - now); 15826 } catch (InterruptedException e) { 15827 } 15828 } 15829 } 15830 if (conn.mContainerService == null) { 15831 return; 15832 } 15833 15834 final UserEnvironment userEnv = new UserEnvironment(curUser); 15835 clearDirectory(conn.mContainerService, 15836 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15837 if (allData) { 15838 clearDirectory(conn.mContainerService, 15839 userEnv.buildExternalStorageAppDataDirs(packageName)); 15840 clearDirectory(conn.mContainerService, 15841 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15842 } 15843 } 15844 } finally { 15845 mContext.unbindService(conn); 15846 } 15847 } 15848 } 15849 15850 @Override 15851 public void clearApplicationProfileData(String packageName) { 15852 enforceSystemOrRoot("Only the system can clear all profile data"); 15853 15854 final PackageParser.Package pkg; 15855 synchronized (mPackages) { 15856 pkg = mPackages.get(packageName); 15857 } 15858 15859 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 15860 synchronized (mInstallLock) { 15861 clearAppProfilesLIF(pkg); 15862 } 15863 } 15864 } 15865 15866 @Override 15867 public void clearApplicationUserData(final String packageName, 15868 final IPackageDataObserver observer, final int userId) { 15869 mContext.enforceCallingOrSelfPermission( 15870 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15871 15872 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15873 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15874 15875 final DevicePolicyManagerInternal dpmi = LocalServices 15876 .getService(DevicePolicyManagerInternal.class); 15877 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15878 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15879 } 15880 // Queue up an async operation since the package deletion may take a little while. 15881 mHandler.post(new Runnable() { 15882 public void run() { 15883 mHandler.removeCallbacks(this); 15884 final boolean succeeded; 15885 try (PackageFreezer freezer = freezePackage(packageName, 15886 "clearApplicationUserData")) { 15887 synchronized (mInstallLock) { 15888 succeeded = clearApplicationUserDataLIF(packageName, userId); 15889 } 15890 clearExternalStorageDataSync(packageName, userId, true); 15891 } 15892 if (succeeded) { 15893 // invoke DeviceStorageMonitor's update method to clear any notifications 15894 DeviceStorageMonitorInternal dsm = LocalServices 15895 .getService(DeviceStorageMonitorInternal.class); 15896 if (dsm != null) { 15897 dsm.checkMemory(); 15898 } 15899 } 15900 if(observer != null) { 15901 try { 15902 observer.onRemoveCompleted(packageName, succeeded); 15903 } catch (RemoteException e) { 15904 Log.i(TAG, "Observer no longer exists."); 15905 } 15906 } //end if observer 15907 } //end run 15908 }); 15909 } 15910 15911 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 15912 if (packageName == null) { 15913 Slog.w(TAG, "Attempt to delete null packageName."); 15914 return false; 15915 } 15916 15917 // Try finding details about the requested package 15918 PackageParser.Package pkg; 15919 synchronized (mPackages) { 15920 pkg = mPackages.get(packageName); 15921 if (pkg == null) { 15922 final PackageSetting ps = mSettings.mPackages.get(packageName); 15923 if (ps != null) { 15924 pkg = ps.pkg; 15925 } 15926 } 15927 15928 if (pkg == null) { 15929 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15930 return false; 15931 } 15932 15933 PackageSetting ps = (PackageSetting) pkg.mExtras; 15934 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15935 } 15936 15937 clearAppDataLIF(pkg, userId, 15938 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15939 15940 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15941 removeKeystoreDataIfNeeded(userId, appId); 15942 15943 final UserManager um = mContext.getSystemService(UserManager.class); 15944 final int flags; 15945 if (um.isUserUnlocked(userId)) { 15946 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 15947 } else if (um.isUserRunning(userId)) { 15948 flags = StorageManager.FLAG_STORAGE_DE; 15949 } else { 15950 flags = 0; 15951 } 15952 prepareAppDataContentsLIF(pkg, userId, flags); 15953 15954 return true; 15955 } 15956 15957 /** 15958 * Reverts user permission state changes (permissions and flags) in 15959 * all packages for a given user. 15960 * 15961 * @param userId The device user for which to do a reset. 15962 */ 15963 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15964 final int packageCount = mPackages.size(); 15965 for (int i = 0; i < packageCount; i++) { 15966 PackageParser.Package pkg = mPackages.valueAt(i); 15967 PackageSetting ps = (PackageSetting) pkg.mExtras; 15968 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15969 } 15970 } 15971 15972 /** 15973 * Reverts user permission state changes (permissions and flags). 15974 * 15975 * @param ps The package for which to reset. 15976 * @param userId The device user for which to do a reset. 15977 */ 15978 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15979 final PackageSetting ps, final int userId) { 15980 if (ps.pkg == null) { 15981 return; 15982 } 15983 15984 // These are flags that can change base on user actions. 15985 final int userSettableMask = FLAG_PERMISSION_USER_SET 15986 | FLAG_PERMISSION_USER_FIXED 15987 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15988 | FLAG_PERMISSION_REVIEW_REQUIRED; 15989 15990 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15991 | FLAG_PERMISSION_POLICY_FIXED; 15992 15993 boolean writeInstallPermissions = false; 15994 boolean writeRuntimePermissions = false; 15995 15996 final int permissionCount = ps.pkg.requestedPermissions.size(); 15997 for (int i = 0; i < permissionCount; i++) { 15998 String permission = ps.pkg.requestedPermissions.get(i); 15999 16000 BasePermission bp = mSettings.mPermissions.get(permission); 16001 if (bp == null) { 16002 continue; 16003 } 16004 16005 // If shared user we just reset the state to which only this app contributed. 16006 if (ps.sharedUser != null) { 16007 boolean used = false; 16008 final int packageCount = ps.sharedUser.packages.size(); 16009 for (int j = 0; j < packageCount; j++) { 16010 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16011 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16012 && pkg.pkg.requestedPermissions.contains(permission)) { 16013 used = true; 16014 break; 16015 } 16016 } 16017 if (used) { 16018 continue; 16019 } 16020 } 16021 16022 PermissionsState permissionsState = ps.getPermissionsState(); 16023 16024 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16025 16026 // Always clear the user settable flags. 16027 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16028 bp.name) != null; 16029 // If permission review is enabled and this is a legacy app, mark the 16030 // permission as requiring a review as this is the initial state. 16031 int flags = 0; 16032 if (Build.PERMISSIONS_REVIEW_REQUIRED 16033 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16034 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16035 } 16036 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16037 if (hasInstallState) { 16038 writeInstallPermissions = true; 16039 } else { 16040 writeRuntimePermissions = true; 16041 } 16042 } 16043 16044 // Below is only runtime permission handling. 16045 if (!bp.isRuntime()) { 16046 continue; 16047 } 16048 16049 // Never clobber system or policy. 16050 if ((oldFlags & policyOrSystemFlags) != 0) { 16051 continue; 16052 } 16053 16054 // If this permission was granted by default, make sure it is. 16055 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16056 if (permissionsState.grantRuntimePermission(bp, userId) 16057 != PERMISSION_OPERATION_FAILURE) { 16058 writeRuntimePermissions = true; 16059 } 16060 // If permission review is enabled the permissions for a legacy apps 16061 // are represented as constantly granted runtime ones, so don't revoke. 16062 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16063 // Otherwise, reset the permission. 16064 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16065 switch (revokeResult) { 16066 case PERMISSION_OPERATION_SUCCESS: 16067 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16068 writeRuntimePermissions = true; 16069 final int appId = ps.appId; 16070 mHandler.post(new Runnable() { 16071 @Override 16072 public void run() { 16073 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16074 } 16075 }); 16076 } break; 16077 } 16078 } 16079 } 16080 16081 // Synchronously write as we are taking permissions away. 16082 if (writeRuntimePermissions) { 16083 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16084 } 16085 16086 // Synchronously write as we are taking permissions away. 16087 if (writeInstallPermissions) { 16088 mSettings.writeLPr(); 16089 } 16090 } 16091 16092 /** 16093 * Remove entries from the keystore daemon. Will only remove it if the 16094 * {@code appId} is valid. 16095 */ 16096 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16097 if (appId < 0) { 16098 return; 16099 } 16100 16101 final KeyStore keyStore = KeyStore.getInstance(); 16102 if (keyStore != null) { 16103 if (userId == UserHandle.USER_ALL) { 16104 for (final int individual : sUserManager.getUserIds()) { 16105 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16106 } 16107 } else { 16108 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16109 } 16110 } else { 16111 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16112 } 16113 } 16114 16115 @Override 16116 public void deleteApplicationCacheFiles(final String packageName, 16117 final IPackageDataObserver observer) { 16118 final int userId = UserHandle.getCallingUserId(); 16119 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16120 } 16121 16122 @Override 16123 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16124 final IPackageDataObserver observer) { 16125 mContext.enforceCallingOrSelfPermission( 16126 android.Manifest.permission.DELETE_CACHE_FILES, null); 16127 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16128 /* requireFullPermission= */ true, /* checkShell= */ false, 16129 "delete application cache files"); 16130 16131 final PackageParser.Package pkg; 16132 synchronized (mPackages) { 16133 pkg = mPackages.get(packageName); 16134 } 16135 16136 // Queue up an async operation since the package deletion may take a little while. 16137 mHandler.post(new Runnable() { 16138 public void run() { 16139 synchronized (mInstallLock) { 16140 final int flags = StorageManager.FLAG_STORAGE_DE 16141 | StorageManager.FLAG_STORAGE_CE; 16142 // We're only clearing cache files, so we don't care if the 16143 // app is unfrozen and still able to run 16144 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16145 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16146 } 16147 clearExternalStorageDataSync(packageName, userId, false); 16148 if (observer != null) { 16149 try { 16150 observer.onRemoveCompleted(packageName, true); 16151 } catch (RemoteException e) { 16152 Log.i(TAG, "Observer no longer exists."); 16153 } 16154 } 16155 } 16156 }); 16157 } 16158 16159 @Override 16160 public void getPackageSizeInfo(final String packageName, int userHandle, 16161 final IPackageStatsObserver observer) { 16162 mContext.enforceCallingOrSelfPermission( 16163 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16164 if (packageName == null) { 16165 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16166 } 16167 16168 PackageStats stats = new PackageStats(packageName, userHandle); 16169 16170 /* 16171 * Queue up an async operation since the package measurement may take a 16172 * little while. 16173 */ 16174 Message msg = mHandler.obtainMessage(INIT_COPY); 16175 msg.obj = new MeasureParams(stats, observer); 16176 mHandler.sendMessage(msg); 16177 } 16178 16179 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16180 final PackageSetting ps; 16181 synchronized (mPackages) { 16182 ps = mSettings.mPackages.get(packageName); 16183 if (ps == null) { 16184 Slog.w(TAG, "Failed to find settings for " + packageName); 16185 return false; 16186 } 16187 } 16188 try { 16189 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16190 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16191 ps.getCeDataInode(userId), ps.codePathString, stats); 16192 } catch (InstallerException e) { 16193 Slog.w(TAG, String.valueOf(e)); 16194 return false; 16195 } 16196 16197 // For now, ignore code size of packages on system partition 16198 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16199 stats.codeSize = 0; 16200 } 16201 16202 return true; 16203 } 16204 16205 private int getUidTargetSdkVersionLockedLPr(int uid) { 16206 Object obj = mSettings.getUserIdLPr(uid); 16207 if (obj instanceof SharedUserSetting) { 16208 final SharedUserSetting sus = (SharedUserSetting) obj; 16209 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16210 final Iterator<PackageSetting> it = sus.packages.iterator(); 16211 while (it.hasNext()) { 16212 final PackageSetting ps = it.next(); 16213 if (ps.pkg != null) { 16214 int v = ps.pkg.applicationInfo.targetSdkVersion; 16215 if (v < vers) vers = v; 16216 } 16217 } 16218 return vers; 16219 } else if (obj instanceof PackageSetting) { 16220 final PackageSetting ps = (PackageSetting) obj; 16221 if (ps.pkg != null) { 16222 return ps.pkg.applicationInfo.targetSdkVersion; 16223 } 16224 } 16225 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16226 } 16227 16228 @Override 16229 public void addPreferredActivity(IntentFilter filter, int match, 16230 ComponentName[] set, ComponentName activity, int userId) { 16231 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16232 "Adding preferred"); 16233 } 16234 16235 private void addPreferredActivityInternal(IntentFilter filter, int match, 16236 ComponentName[] set, ComponentName activity, boolean always, int userId, 16237 String opname) { 16238 // writer 16239 int callingUid = Binder.getCallingUid(); 16240 enforceCrossUserPermission(callingUid, userId, 16241 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16242 if (filter.countActions() == 0) { 16243 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16244 return; 16245 } 16246 synchronized (mPackages) { 16247 if (mContext.checkCallingOrSelfPermission( 16248 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16249 != PackageManager.PERMISSION_GRANTED) { 16250 if (getUidTargetSdkVersionLockedLPr(callingUid) 16251 < Build.VERSION_CODES.FROYO) { 16252 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16253 + callingUid); 16254 return; 16255 } 16256 mContext.enforceCallingOrSelfPermission( 16257 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16258 } 16259 16260 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16261 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16262 + userId + ":"); 16263 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16264 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16265 scheduleWritePackageRestrictionsLocked(userId); 16266 } 16267 } 16268 16269 @Override 16270 public void replacePreferredActivity(IntentFilter filter, int match, 16271 ComponentName[] set, ComponentName activity, int userId) { 16272 if (filter.countActions() != 1) { 16273 throw new IllegalArgumentException( 16274 "replacePreferredActivity expects filter to have only 1 action."); 16275 } 16276 if (filter.countDataAuthorities() != 0 16277 || filter.countDataPaths() != 0 16278 || filter.countDataSchemes() > 1 16279 || filter.countDataTypes() != 0) { 16280 throw new IllegalArgumentException( 16281 "replacePreferredActivity expects filter to have no data authorities, " + 16282 "paths, or types; and at most one scheme."); 16283 } 16284 16285 final int callingUid = Binder.getCallingUid(); 16286 enforceCrossUserPermission(callingUid, userId, 16287 true /* requireFullPermission */, false /* checkShell */, 16288 "replace preferred activity"); 16289 synchronized (mPackages) { 16290 if (mContext.checkCallingOrSelfPermission( 16291 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16292 != PackageManager.PERMISSION_GRANTED) { 16293 if (getUidTargetSdkVersionLockedLPr(callingUid) 16294 < Build.VERSION_CODES.FROYO) { 16295 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16296 + Binder.getCallingUid()); 16297 return; 16298 } 16299 mContext.enforceCallingOrSelfPermission( 16300 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16301 } 16302 16303 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16304 if (pir != null) { 16305 // Get all of the existing entries that exactly match this filter. 16306 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16307 if (existing != null && existing.size() == 1) { 16308 PreferredActivity cur = existing.get(0); 16309 if (DEBUG_PREFERRED) { 16310 Slog.i(TAG, "Checking replace of preferred:"); 16311 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16312 if (!cur.mPref.mAlways) { 16313 Slog.i(TAG, " -- CUR; not mAlways!"); 16314 } else { 16315 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16316 Slog.i(TAG, " -- CUR: mSet=" 16317 + Arrays.toString(cur.mPref.mSetComponents)); 16318 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16319 Slog.i(TAG, " -- NEW: mMatch=" 16320 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16321 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16322 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16323 } 16324 } 16325 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16326 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16327 && cur.mPref.sameSet(set)) { 16328 // Setting the preferred activity to what it happens to be already 16329 if (DEBUG_PREFERRED) { 16330 Slog.i(TAG, "Replacing with same preferred activity " 16331 + cur.mPref.mShortComponent + " for user " 16332 + userId + ":"); 16333 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16334 } 16335 return; 16336 } 16337 } 16338 16339 if (existing != null) { 16340 if (DEBUG_PREFERRED) { 16341 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16342 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16343 } 16344 for (int i = 0; i < existing.size(); i++) { 16345 PreferredActivity pa = existing.get(i); 16346 if (DEBUG_PREFERRED) { 16347 Slog.i(TAG, "Removing existing preferred activity " 16348 + pa.mPref.mComponent + ":"); 16349 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16350 } 16351 pir.removeFilter(pa); 16352 } 16353 } 16354 } 16355 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16356 "Replacing preferred"); 16357 } 16358 } 16359 16360 @Override 16361 public void clearPackagePreferredActivities(String packageName) { 16362 final int uid = Binder.getCallingUid(); 16363 // writer 16364 synchronized (mPackages) { 16365 PackageParser.Package pkg = mPackages.get(packageName); 16366 if (pkg == null || pkg.applicationInfo.uid != uid) { 16367 if (mContext.checkCallingOrSelfPermission( 16368 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16369 != PackageManager.PERMISSION_GRANTED) { 16370 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16371 < Build.VERSION_CODES.FROYO) { 16372 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16373 + Binder.getCallingUid()); 16374 return; 16375 } 16376 mContext.enforceCallingOrSelfPermission( 16377 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16378 } 16379 } 16380 16381 int user = UserHandle.getCallingUserId(); 16382 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16383 scheduleWritePackageRestrictionsLocked(user); 16384 } 16385 } 16386 } 16387 16388 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16389 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16390 ArrayList<PreferredActivity> removed = null; 16391 boolean changed = false; 16392 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16393 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16394 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16395 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16396 continue; 16397 } 16398 Iterator<PreferredActivity> it = pir.filterIterator(); 16399 while (it.hasNext()) { 16400 PreferredActivity pa = it.next(); 16401 // Mark entry for removal only if it matches the package name 16402 // and the entry is of type "always". 16403 if (packageName == null || 16404 (pa.mPref.mComponent.getPackageName().equals(packageName) 16405 && pa.mPref.mAlways)) { 16406 if (removed == null) { 16407 removed = new ArrayList<PreferredActivity>(); 16408 } 16409 removed.add(pa); 16410 } 16411 } 16412 if (removed != null) { 16413 for (int j=0; j<removed.size(); j++) { 16414 PreferredActivity pa = removed.get(j); 16415 pir.removeFilter(pa); 16416 } 16417 changed = true; 16418 } 16419 } 16420 return changed; 16421 } 16422 16423 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16424 private void clearIntentFilterVerificationsLPw(int userId) { 16425 final int packageCount = mPackages.size(); 16426 for (int i = 0; i < packageCount; i++) { 16427 PackageParser.Package pkg = mPackages.valueAt(i); 16428 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16429 } 16430 } 16431 16432 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16433 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16434 if (userId == UserHandle.USER_ALL) { 16435 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16436 sUserManager.getUserIds())) { 16437 for (int oneUserId : sUserManager.getUserIds()) { 16438 scheduleWritePackageRestrictionsLocked(oneUserId); 16439 } 16440 } 16441 } else { 16442 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16443 scheduleWritePackageRestrictionsLocked(userId); 16444 } 16445 } 16446 } 16447 16448 void clearDefaultBrowserIfNeeded(String packageName) { 16449 for (int oneUserId : sUserManager.getUserIds()) { 16450 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16451 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16452 if (packageName.equals(defaultBrowserPackageName)) { 16453 setDefaultBrowserPackageName(null, oneUserId); 16454 } 16455 } 16456 } 16457 16458 @Override 16459 public void resetApplicationPreferences(int userId) { 16460 mContext.enforceCallingOrSelfPermission( 16461 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16462 // writer 16463 synchronized (mPackages) { 16464 final long identity = Binder.clearCallingIdentity(); 16465 try { 16466 clearPackagePreferredActivitiesLPw(null, userId); 16467 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16468 // TODO: We have to reset the default SMS and Phone. This requires 16469 // significant refactoring to keep all default apps in the package 16470 // manager (cleaner but more work) or have the services provide 16471 // callbacks to the package manager to request a default app reset. 16472 applyFactoryDefaultBrowserLPw(userId); 16473 clearIntentFilterVerificationsLPw(userId); 16474 primeDomainVerificationsLPw(userId); 16475 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16476 scheduleWritePackageRestrictionsLocked(userId); 16477 } finally { 16478 Binder.restoreCallingIdentity(identity); 16479 } 16480 } 16481 } 16482 16483 @Override 16484 public int getPreferredActivities(List<IntentFilter> outFilters, 16485 List<ComponentName> outActivities, String packageName) { 16486 16487 int num = 0; 16488 final int userId = UserHandle.getCallingUserId(); 16489 // reader 16490 synchronized (mPackages) { 16491 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16492 if (pir != null) { 16493 final Iterator<PreferredActivity> it = pir.filterIterator(); 16494 while (it.hasNext()) { 16495 final PreferredActivity pa = it.next(); 16496 if (packageName == null 16497 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16498 && pa.mPref.mAlways)) { 16499 if (outFilters != null) { 16500 outFilters.add(new IntentFilter(pa)); 16501 } 16502 if (outActivities != null) { 16503 outActivities.add(pa.mPref.mComponent); 16504 } 16505 } 16506 } 16507 } 16508 } 16509 16510 return num; 16511 } 16512 16513 @Override 16514 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16515 int userId) { 16516 int callingUid = Binder.getCallingUid(); 16517 if (callingUid != Process.SYSTEM_UID) { 16518 throw new SecurityException( 16519 "addPersistentPreferredActivity can only be run by the system"); 16520 } 16521 if (filter.countActions() == 0) { 16522 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16523 return; 16524 } 16525 synchronized (mPackages) { 16526 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16527 ":"); 16528 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16529 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16530 new PersistentPreferredActivity(filter, activity)); 16531 scheduleWritePackageRestrictionsLocked(userId); 16532 } 16533 } 16534 16535 @Override 16536 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16537 int callingUid = Binder.getCallingUid(); 16538 if (callingUid != Process.SYSTEM_UID) { 16539 throw new SecurityException( 16540 "clearPackagePersistentPreferredActivities can only be run by the system"); 16541 } 16542 ArrayList<PersistentPreferredActivity> removed = null; 16543 boolean changed = false; 16544 synchronized (mPackages) { 16545 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16546 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16547 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16548 .valueAt(i); 16549 if (userId != thisUserId) { 16550 continue; 16551 } 16552 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16553 while (it.hasNext()) { 16554 PersistentPreferredActivity ppa = it.next(); 16555 // Mark entry for removal only if it matches the package name. 16556 if (ppa.mComponent.getPackageName().equals(packageName)) { 16557 if (removed == null) { 16558 removed = new ArrayList<PersistentPreferredActivity>(); 16559 } 16560 removed.add(ppa); 16561 } 16562 } 16563 if (removed != null) { 16564 for (int j=0; j<removed.size(); j++) { 16565 PersistentPreferredActivity ppa = removed.get(j); 16566 ppir.removeFilter(ppa); 16567 } 16568 changed = true; 16569 } 16570 } 16571 16572 if (changed) { 16573 scheduleWritePackageRestrictionsLocked(userId); 16574 } 16575 } 16576 } 16577 16578 /** 16579 * Common machinery for picking apart a restored XML blob and passing 16580 * it to a caller-supplied functor to be applied to the running system. 16581 */ 16582 private void restoreFromXml(XmlPullParser parser, int userId, 16583 String expectedStartTag, BlobXmlRestorer functor) 16584 throws IOException, XmlPullParserException { 16585 int type; 16586 while ((type = parser.next()) != XmlPullParser.START_TAG 16587 && type != XmlPullParser.END_DOCUMENT) { 16588 } 16589 if (type != XmlPullParser.START_TAG) { 16590 // oops didn't find a start tag?! 16591 if (DEBUG_BACKUP) { 16592 Slog.e(TAG, "Didn't find start tag during restore"); 16593 } 16594 return; 16595 } 16596Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16597 // this is supposed to be TAG_PREFERRED_BACKUP 16598 if (!expectedStartTag.equals(parser.getName())) { 16599 if (DEBUG_BACKUP) { 16600 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16601 } 16602 return; 16603 } 16604 16605 // skip interfering stuff, then we're aligned with the backing implementation 16606 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16607Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16608 functor.apply(parser, userId); 16609 } 16610 16611 private interface BlobXmlRestorer { 16612 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16613 } 16614 16615 /** 16616 * Non-Binder method, support for the backup/restore mechanism: write the 16617 * full set of preferred activities in its canonical XML format. Returns the 16618 * XML output as a byte array, or null if there is none. 16619 */ 16620 @Override 16621 public byte[] getPreferredActivityBackup(int userId) { 16622 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16623 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16624 } 16625 16626 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16627 try { 16628 final XmlSerializer serializer = new FastXmlSerializer(); 16629 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16630 serializer.startDocument(null, true); 16631 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16632 16633 synchronized (mPackages) { 16634 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16635 } 16636 16637 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16638 serializer.endDocument(); 16639 serializer.flush(); 16640 } catch (Exception e) { 16641 if (DEBUG_BACKUP) { 16642 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16643 } 16644 return null; 16645 } 16646 16647 return dataStream.toByteArray(); 16648 } 16649 16650 @Override 16651 public void restorePreferredActivities(byte[] backup, int userId) { 16652 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16653 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16654 } 16655 16656 try { 16657 final XmlPullParser parser = Xml.newPullParser(); 16658 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16659 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16660 new BlobXmlRestorer() { 16661 @Override 16662 public void apply(XmlPullParser parser, int userId) 16663 throws XmlPullParserException, IOException { 16664 synchronized (mPackages) { 16665 mSettings.readPreferredActivitiesLPw(parser, userId); 16666 } 16667 } 16668 } ); 16669 } catch (Exception e) { 16670 if (DEBUG_BACKUP) { 16671 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16672 } 16673 } 16674 } 16675 16676 /** 16677 * Non-Binder method, support for the backup/restore mechanism: write the 16678 * default browser (etc) settings in its canonical XML format. Returns the default 16679 * browser XML representation as a byte array, or null if there is none. 16680 */ 16681 @Override 16682 public byte[] getDefaultAppsBackup(int userId) { 16683 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16684 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16685 } 16686 16687 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16688 try { 16689 final XmlSerializer serializer = new FastXmlSerializer(); 16690 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16691 serializer.startDocument(null, true); 16692 serializer.startTag(null, TAG_DEFAULT_APPS); 16693 16694 synchronized (mPackages) { 16695 mSettings.writeDefaultAppsLPr(serializer, userId); 16696 } 16697 16698 serializer.endTag(null, TAG_DEFAULT_APPS); 16699 serializer.endDocument(); 16700 serializer.flush(); 16701 } catch (Exception e) { 16702 if (DEBUG_BACKUP) { 16703 Slog.e(TAG, "Unable to write default apps for backup", e); 16704 } 16705 return null; 16706 } 16707 16708 return dataStream.toByteArray(); 16709 } 16710 16711 @Override 16712 public void restoreDefaultApps(byte[] backup, int userId) { 16713 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16714 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16715 } 16716 16717 try { 16718 final XmlPullParser parser = Xml.newPullParser(); 16719 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16720 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16721 new BlobXmlRestorer() { 16722 @Override 16723 public void apply(XmlPullParser parser, int userId) 16724 throws XmlPullParserException, IOException { 16725 synchronized (mPackages) { 16726 mSettings.readDefaultAppsLPw(parser, userId); 16727 } 16728 } 16729 } ); 16730 } catch (Exception e) { 16731 if (DEBUG_BACKUP) { 16732 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16733 } 16734 } 16735 } 16736 16737 @Override 16738 public byte[] getIntentFilterVerificationBackup(int userId) { 16739 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16740 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16741 } 16742 16743 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16744 try { 16745 final XmlSerializer serializer = new FastXmlSerializer(); 16746 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16747 serializer.startDocument(null, true); 16748 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16749 16750 synchronized (mPackages) { 16751 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16752 } 16753 16754 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16755 serializer.endDocument(); 16756 serializer.flush(); 16757 } catch (Exception e) { 16758 if (DEBUG_BACKUP) { 16759 Slog.e(TAG, "Unable to write default apps for backup", e); 16760 } 16761 return null; 16762 } 16763 16764 return dataStream.toByteArray(); 16765 } 16766 16767 @Override 16768 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16769 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16770 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16771 } 16772 16773 try { 16774 final XmlPullParser parser = Xml.newPullParser(); 16775 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16776 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16777 new BlobXmlRestorer() { 16778 @Override 16779 public void apply(XmlPullParser parser, int userId) 16780 throws XmlPullParserException, IOException { 16781 synchronized (mPackages) { 16782 mSettings.readAllDomainVerificationsLPr(parser, userId); 16783 mSettings.writeLPr(); 16784 } 16785 } 16786 } ); 16787 } catch (Exception e) { 16788 if (DEBUG_BACKUP) { 16789 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16790 } 16791 } 16792 } 16793 16794 @Override 16795 public byte[] getPermissionGrantBackup(int userId) { 16796 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16797 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16798 } 16799 16800 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16801 try { 16802 final XmlSerializer serializer = new FastXmlSerializer(); 16803 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16804 serializer.startDocument(null, true); 16805 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16806 16807 synchronized (mPackages) { 16808 serializeRuntimePermissionGrantsLPr(serializer, userId); 16809 } 16810 16811 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16812 serializer.endDocument(); 16813 serializer.flush(); 16814 } catch (Exception e) { 16815 if (DEBUG_BACKUP) { 16816 Slog.e(TAG, "Unable to write default apps for backup", e); 16817 } 16818 return null; 16819 } 16820 16821 return dataStream.toByteArray(); 16822 } 16823 16824 @Override 16825 public void restorePermissionGrants(byte[] backup, int userId) { 16826 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16827 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16828 } 16829 16830 try { 16831 final XmlPullParser parser = Xml.newPullParser(); 16832 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16833 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16834 new BlobXmlRestorer() { 16835 @Override 16836 public void apply(XmlPullParser parser, int userId) 16837 throws XmlPullParserException, IOException { 16838 synchronized (mPackages) { 16839 processRestoredPermissionGrantsLPr(parser, userId); 16840 } 16841 } 16842 } ); 16843 } catch (Exception e) { 16844 if (DEBUG_BACKUP) { 16845 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16846 } 16847 } 16848 } 16849 16850 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16851 throws IOException { 16852 serializer.startTag(null, TAG_ALL_GRANTS); 16853 16854 final int N = mSettings.mPackages.size(); 16855 for (int i = 0; i < N; i++) { 16856 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16857 boolean pkgGrantsKnown = false; 16858 16859 PermissionsState packagePerms = ps.getPermissionsState(); 16860 16861 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16862 final int grantFlags = state.getFlags(); 16863 // only look at grants that are not system/policy fixed 16864 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16865 final boolean isGranted = state.isGranted(); 16866 // And only back up the user-twiddled state bits 16867 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16868 final String packageName = mSettings.mPackages.keyAt(i); 16869 if (!pkgGrantsKnown) { 16870 serializer.startTag(null, TAG_GRANT); 16871 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16872 pkgGrantsKnown = true; 16873 } 16874 16875 final boolean userSet = 16876 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16877 final boolean userFixed = 16878 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16879 final boolean revoke = 16880 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16881 16882 serializer.startTag(null, TAG_PERMISSION); 16883 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16884 if (isGranted) { 16885 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16886 } 16887 if (userSet) { 16888 serializer.attribute(null, ATTR_USER_SET, "true"); 16889 } 16890 if (userFixed) { 16891 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16892 } 16893 if (revoke) { 16894 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16895 } 16896 serializer.endTag(null, TAG_PERMISSION); 16897 } 16898 } 16899 } 16900 16901 if (pkgGrantsKnown) { 16902 serializer.endTag(null, TAG_GRANT); 16903 } 16904 } 16905 16906 serializer.endTag(null, TAG_ALL_GRANTS); 16907 } 16908 16909 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16910 throws XmlPullParserException, IOException { 16911 String pkgName = null; 16912 int outerDepth = parser.getDepth(); 16913 int type; 16914 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16915 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16916 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16917 continue; 16918 } 16919 16920 final String tagName = parser.getName(); 16921 if (tagName.equals(TAG_GRANT)) { 16922 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16923 if (DEBUG_BACKUP) { 16924 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16925 } 16926 } else if (tagName.equals(TAG_PERMISSION)) { 16927 16928 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16929 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16930 16931 int newFlagSet = 0; 16932 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16933 newFlagSet |= FLAG_PERMISSION_USER_SET; 16934 } 16935 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16936 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16937 } 16938 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16939 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16940 } 16941 if (DEBUG_BACKUP) { 16942 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16943 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16944 } 16945 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16946 if (ps != null) { 16947 // Already installed so we apply the grant immediately 16948 if (DEBUG_BACKUP) { 16949 Slog.v(TAG, " + already installed; applying"); 16950 } 16951 PermissionsState perms = ps.getPermissionsState(); 16952 BasePermission bp = mSettings.mPermissions.get(permName); 16953 if (bp != null) { 16954 if (isGranted) { 16955 perms.grantRuntimePermission(bp, userId); 16956 } 16957 if (newFlagSet != 0) { 16958 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16959 } 16960 } 16961 } else { 16962 // Need to wait for post-restore install to apply the grant 16963 if (DEBUG_BACKUP) { 16964 Slog.v(TAG, " - not yet installed; saving for later"); 16965 } 16966 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16967 isGranted, newFlagSet, userId); 16968 } 16969 } else { 16970 PackageManagerService.reportSettingsProblem(Log.WARN, 16971 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16972 XmlUtils.skipCurrentTag(parser); 16973 } 16974 } 16975 16976 scheduleWriteSettingsLocked(); 16977 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16978 } 16979 16980 @Override 16981 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16982 int sourceUserId, int targetUserId, int flags) { 16983 mContext.enforceCallingOrSelfPermission( 16984 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16985 int callingUid = Binder.getCallingUid(); 16986 enforceOwnerRights(ownerPackage, callingUid); 16987 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16988 if (intentFilter.countActions() == 0) { 16989 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16990 return; 16991 } 16992 synchronized (mPackages) { 16993 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16994 ownerPackage, targetUserId, flags); 16995 CrossProfileIntentResolver resolver = 16996 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16997 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16998 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16999 if (existing != null) { 17000 int size = existing.size(); 17001 for (int i = 0; i < size; i++) { 17002 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17003 return; 17004 } 17005 } 17006 } 17007 resolver.addFilter(newFilter); 17008 scheduleWritePackageRestrictionsLocked(sourceUserId); 17009 } 17010 } 17011 17012 @Override 17013 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17014 mContext.enforceCallingOrSelfPermission( 17015 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17016 int callingUid = Binder.getCallingUid(); 17017 enforceOwnerRights(ownerPackage, callingUid); 17018 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17019 synchronized (mPackages) { 17020 CrossProfileIntentResolver resolver = 17021 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17022 ArraySet<CrossProfileIntentFilter> set = 17023 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17024 for (CrossProfileIntentFilter filter : set) { 17025 if (filter.getOwnerPackage().equals(ownerPackage)) { 17026 resolver.removeFilter(filter); 17027 } 17028 } 17029 scheduleWritePackageRestrictionsLocked(sourceUserId); 17030 } 17031 } 17032 17033 // Enforcing that callingUid is owning pkg on userId 17034 private void enforceOwnerRights(String pkg, int callingUid) { 17035 // The system owns everything. 17036 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17037 return; 17038 } 17039 int callingUserId = UserHandle.getUserId(callingUid); 17040 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17041 if (pi == null) { 17042 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17043 + callingUserId); 17044 } 17045 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17046 throw new SecurityException("Calling uid " + callingUid 17047 + " does not own package " + pkg); 17048 } 17049 } 17050 17051 @Override 17052 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17053 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17054 } 17055 17056 private Intent getHomeIntent() { 17057 Intent intent = new Intent(Intent.ACTION_MAIN); 17058 intent.addCategory(Intent.CATEGORY_HOME); 17059 return intent; 17060 } 17061 17062 private IntentFilter getHomeFilter() { 17063 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17064 filter.addCategory(Intent.CATEGORY_HOME); 17065 filter.addCategory(Intent.CATEGORY_DEFAULT); 17066 return filter; 17067 } 17068 17069 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17070 int userId) { 17071 Intent intent = getHomeIntent(); 17072 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17073 PackageManager.GET_META_DATA, userId); 17074 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17075 true, false, false, userId); 17076 17077 allHomeCandidates.clear(); 17078 if (list != null) { 17079 for (ResolveInfo ri : list) { 17080 allHomeCandidates.add(ri); 17081 } 17082 } 17083 return (preferred == null || preferred.activityInfo == null) 17084 ? null 17085 : new ComponentName(preferred.activityInfo.packageName, 17086 preferred.activityInfo.name); 17087 } 17088 17089 @Override 17090 public void setHomeActivity(ComponentName comp, int userId) { 17091 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17092 getHomeActivitiesAsUser(homeActivities, userId); 17093 17094 boolean found = false; 17095 17096 final int size = homeActivities.size(); 17097 final ComponentName[] set = new ComponentName[size]; 17098 for (int i = 0; i < size; i++) { 17099 final ResolveInfo candidate = homeActivities.get(i); 17100 final ActivityInfo info = candidate.activityInfo; 17101 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17102 set[i] = activityName; 17103 if (!found && activityName.equals(comp)) { 17104 found = true; 17105 } 17106 } 17107 if (!found) { 17108 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17109 + userId); 17110 } 17111 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17112 set, comp, userId); 17113 } 17114 17115 private @Nullable String getSetupWizardPackageName() { 17116 final Intent intent = new Intent(Intent.ACTION_MAIN); 17117 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17118 17119 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17120 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17121 | MATCH_DISABLED_COMPONENTS, 17122 UserHandle.myUserId()); 17123 if (matches.size() == 1) { 17124 return matches.get(0).getComponentInfo().packageName; 17125 } else { 17126 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17127 + ": matches=" + matches); 17128 return null; 17129 } 17130 } 17131 17132 @Override 17133 public void setApplicationEnabledSetting(String appPackageName, 17134 int newState, int flags, int userId, String callingPackage) { 17135 if (!sUserManager.exists(userId)) return; 17136 if (callingPackage == null) { 17137 callingPackage = Integer.toString(Binder.getCallingUid()); 17138 } 17139 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17140 } 17141 17142 @Override 17143 public void setComponentEnabledSetting(ComponentName componentName, 17144 int newState, int flags, int userId) { 17145 if (!sUserManager.exists(userId)) return; 17146 setEnabledSetting(componentName.getPackageName(), 17147 componentName.getClassName(), newState, flags, userId, null); 17148 } 17149 17150 private void setEnabledSetting(final String packageName, String className, int newState, 17151 final int flags, int userId, String callingPackage) { 17152 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17153 || newState == COMPONENT_ENABLED_STATE_ENABLED 17154 || newState == COMPONENT_ENABLED_STATE_DISABLED 17155 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17156 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17157 throw new IllegalArgumentException("Invalid new component state: " 17158 + newState); 17159 } 17160 PackageSetting pkgSetting; 17161 final int uid = Binder.getCallingUid(); 17162 final int permission; 17163 if (uid == Process.SYSTEM_UID) { 17164 permission = PackageManager.PERMISSION_GRANTED; 17165 } else { 17166 permission = mContext.checkCallingOrSelfPermission( 17167 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17168 } 17169 enforceCrossUserPermission(uid, userId, 17170 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17171 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17172 boolean sendNow = false; 17173 boolean isApp = (className == null); 17174 String componentName = isApp ? packageName : className; 17175 int packageUid = -1; 17176 ArrayList<String> components; 17177 17178 // writer 17179 synchronized (mPackages) { 17180 pkgSetting = mSettings.mPackages.get(packageName); 17181 if (pkgSetting == null) { 17182 if (className == null) { 17183 throw new IllegalArgumentException("Unknown package: " + packageName); 17184 } 17185 throw new IllegalArgumentException( 17186 "Unknown component: " + packageName + "/" + className); 17187 } 17188 // Allow root and verify that userId is not being specified by a different user 17189 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17190 throw new SecurityException( 17191 "Permission Denial: attempt to change component state from pid=" 17192 + Binder.getCallingPid() 17193 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17194 } 17195 if (className == null) { 17196 // We're dealing with an application/package level state change 17197 if (pkgSetting.getEnabled(userId) == newState) { 17198 // Nothing to do 17199 return; 17200 } 17201 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17202 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17203 // Don't care about who enables an app. 17204 callingPackage = null; 17205 } 17206 pkgSetting.setEnabled(newState, userId, callingPackage); 17207 // pkgSetting.pkg.mSetEnabled = newState; 17208 } else { 17209 // We're dealing with a component level state change 17210 // First, verify that this is a valid class name. 17211 PackageParser.Package pkg = pkgSetting.pkg; 17212 if (pkg == null || !pkg.hasComponentClassName(className)) { 17213 if (pkg != null && 17214 pkg.applicationInfo.targetSdkVersion >= 17215 Build.VERSION_CODES.JELLY_BEAN) { 17216 throw new IllegalArgumentException("Component class " + className 17217 + " does not exist in " + packageName); 17218 } else { 17219 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17220 + className + " does not exist in " + packageName); 17221 } 17222 } 17223 switch (newState) { 17224 case COMPONENT_ENABLED_STATE_ENABLED: 17225 if (!pkgSetting.enableComponentLPw(className, userId)) { 17226 return; 17227 } 17228 break; 17229 case COMPONENT_ENABLED_STATE_DISABLED: 17230 if (!pkgSetting.disableComponentLPw(className, userId)) { 17231 return; 17232 } 17233 break; 17234 case COMPONENT_ENABLED_STATE_DEFAULT: 17235 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17236 return; 17237 } 17238 break; 17239 default: 17240 Slog.e(TAG, "Invalid new component state: " + newState); 17241 return; 17242 } 17243 } 17244 scheduleWritePackageRestrictionsLocked(userId); 17245 components = mPendingBroadcasts.get(userId, packageName); 17246 final boolean newPackage = components == null; 17247 if (newPackage) { 17248 components = new ArrayList<String>(); 17249 } 17250 if (!components.contains(componentName)) { 17251 components.add(componentName); 17252 } 17253 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17254 sendNow = true; 17255 // Purge entry from pending broadcast list if another one exists already 17256 // since we are sending one right away. 17257 mPendingBroadcasts.remove(userId, packageName); 17258 } else { 17259 if (newPackage) { 17260 mPendingBroadcasts.put(userId, packageName, components); 17261 } 17262 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17263 // Schedule a message 17264 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17265 } 17266 } 17267 } 17268 17269 long callingId = Binder.clearCallingIdentity(); 17270 try { 17271 if (sendNow) { 17272 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17273 sendPackageChangedBroadcast(packageName, 17274 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17275 } 17276 } finally { 17277 Binder.restoreCallingIdentity(callingId); 17278 } 17279 } 17280 17281 @Override 17282 public void flushPackageRestrictionsAsUser(int userId) { 17283 if (!sUserManager.exists(userId)) { 17284 return; 17285 } 17286 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17287 false /* checkShell */, "flushPackageRestrictions"); 17288 synchronized (mPackages) { 17289 mSettings.writePackageRestrictionsLPr(userId); 17290 mDirtyUsers.remove(userId); 17291 if (mDirtyUsers.isEmpty()) { 17292 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17293 } 17294 } 17295 } 17296 17297 private void sendPackageChangedBroadcast(String packageName, 17298 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17299 if (DEBUG_INSTALL) 17300 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17301 + componentNames); 17302 Bundle extras = new Bundle(4); 17303 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17304 String nameList[] = new String[componentNames.size()]; 17305 componentNames.toArray(nameList); 17306 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17307 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17308 extras.putInt(Intent.EXTRA_UID, packageUid); 17309 // If this is not reporting a change of the overall package, then only send it 17310 // to registered receivers. We don't want to launch a swath of apps for every 17311 // little component state change. 17312 final int flags = !componentNames.contains(packageName) 17313 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17314 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17315 new int[] {UserHandle.getUserId(packageUid)}); 17316 } 17317 17318 @Override 17319 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17320 if (!sUserManager.exists(userId)) return; 17321 final int uid = Binder.getCallingUid(); 17322 final int permission = mContext.checkCallingOrSelfPermission( 17323 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17324 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17325 enforceCrossUserPermission(uid, userId, 17326 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17327 // writer 17328 synchronized (mPackages) { 17329 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17330 allowedByPermission, uid, userId)) { 17331 scheduleWritePackageRestrictionsLocked(userId); 17332 } 17333 } 17334 } 17335 17336 @Override 17337 public String getInstallerPackageName(String packageName) { 17338 // reader 17339 synchronized (mPackages) { 17340 return mSettings.getInstallerPackageNameLPr(packageName); 17341 } 17342 } 17343 17344 @Override 17345 public int getApplicationEnabledSetting(String packageName, int userId) { 17346 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17347 int uid = Binder.getCallingUid(); 17348 enforceCrossUserPermission(uid, userId, 17349 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17350 // reader 17351 synchronized (mPackages) { 17352 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17353 } 17354 } 17355 17356 @Override 17357 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17358 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17359 int uid = Binder.getCallingUid(); 17360 enforceCrossUserPermission(uid, userId, 17361 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17362 // reader 17363 synchronized (mPackages) { 17364 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17365 } 17366 } 17367 17368 @Override 17369 public void enterSafeMode() { 17370 enforceSystemOrRoot("Only the system can request entering safe mode"); 17371 17372 if (!mSystemReady) { 17373 mSafeMode = true; 17374 } 17375 } 17376 17377 @Override 17378 public void systemReady() { 17379 mSystemReady = true; 17380 17381 // Read the compatibilty setting when the system is ready. 17382 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17383 mContext.getContentResolver(), 17384 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17385 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17386 if (DEBUG_SETTINGS) { 17387 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17388 } 17389 17390 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17391 17392 synchronized (mPackages) { 17393 // Verify that all of the preferred activity components actually 17394 // exist. It is possible for applications to be updated and at 17395 // that point remove a previously declared activity component that 17396 // had been set as a preferred activity. We try to clean this up 17397 // the next time we encounter that preferred activity, but it is 17398 // possible for the user flow to never be able to return to that 17399 // situation so here we do a sanity check to make sure we haven't 17400 // left any junk around. 17401 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17402 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17403 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17404 removed.clear(); 17405 for (PreferredActivity pa : pir.filterSet()) { 17406 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17407 removed.add(pa); 17408 } 17409 } 17410 if (removed.size() > 0) { 17411 for (int r=0; r<removed.size(); r++) { 17412 PreferredActivity pa = removed.get(r); 17413 Slog.w(TAG, "Removing dangling preferred activity: " 17414 + pa.mPref.mComponent); 17415 pir.removeFilter(pa); 17416 } 17417 mSettings.writePackageRestrictionsLPr( 17418 mSettings.mPreferredActivities.keyAt(i)); 17419 } 17420 } 17421 17422 for (int userId : UserManagerService.getInstance().getUserIds()) { 17423 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17424 grantPermissionsUserIds = ArrayUtils.appendInt( 17425 grantPermissionsUserIds, userId); 17426 } 17427 } 17428 } 17429 sUserManager.systemReady(); 17430 17431 // If we upgraded grant all default permissions before kicking off. 17432 for (int userId : grantPermissionsUserIds) { 17433 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17434 } 17435 17436 // Kick off any messages waiting for system ready 17437 if (mPostSystemReadyMessages != null) { 17438 for (Message msg : mPostSystemReadyMessages) { 17439 msg.sendToTarget(); 17440 } 17441 mPostSystemReadyMessages = null; 17442 } 17443 17444 // Watch for external volumes that come and go over time 17445 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17446 storage.registerListener(mStorageListener); 17447 17448 mInstallerService.systemReady(); 17449 mPackageDexOptimizer.systemReady(); 17450 17451 MountServiceInternal mountServiceInternal = LocalServices.getService( 17452 MountServiceInternal.class); 17453 mountServiceInternal.addExternalStoragePolicy( 17454 new MountServiceInternal.ExternalStorageMountPolicy() { 17455 @Override 17456 public int getMountMode(int uid, String packageName) { 17457 if (Process.isIsolated(uid)) { 17458 return Zygote.MOUNT_EXTERNAL_NONE; 17459 } 17460 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17461 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17462 } 17463 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17464 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17465 } 17466 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17467 return Zygote.MOUNT_EXTERNAL_READ; 17468 } 17469 return Zygote.MOUNT_EXTERNAL_WRITE; 17470 } 17471 17472 @Override 17473 public boolean hasExternalStorage(int uid, String packageName) { 17474 return true; 17475 } 17476 }); 17477 17478 // Now that we're mostly running, clean up stale users and apps 17479 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17480 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17481 } 17482 17483 @Override 17484 public boolean isSafeMode() { 17485 return mSafeMode; 17486 } 17487 17488 @Override 17489 public boolean hasSystemUidErrors() { 17490 return mHasSystemUidErrors; 17491 } 17492 17493 static String arrayToString(int[] array) { 17494 StringBuffer buf = new StringBuffer(128); 17495 buf.append('['); 17496 if (array != null) { 17497 for (int i=0; i<array.length; i++) { 17498 if (i > 0) buf.append(", "); 17499 buf.append(array[i]); 17500 } 17501 } 17502 buf.append(']'); 17503 return buf.toString(); 17504 } 17505 17506 static class DumpState { 17507 public static final int DUMP_LIBS = 1 << 0; 17508 public static final int DUMP_FEATURES = 1 << 1; 17509 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17510 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17511 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17512 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17513 public static final int DUMP_PERMISSIONS = 1 << 6; 17514 public static final int DUMP_PACKAGES = 1 << 7; 17515 public static final int DUMP_SHARED_USERS = 1 << 8; 17516 public static final int DUMP_MESSAGES = 1 << 9; 17517 public static final int DUMP_PROVIDERS = 1 << 10; 17518 public static final int DUMP_VERIFIERS = 1 << 11; 17519 public static final int DUMP_PREFERRED = 1 << 12; 17520 public static final int DUMP_PREFERRED_XML = 1 << 13; 17521 public static final int DUMP_KEYSETS = 1 << 14; 17522 public static final int DUMP_VERSION = 1 << 15; 17523 public static final int DUMP_INSTALLS = 1 << 16; 17524 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17525 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17526 public static final int DUMP_FROZEN = 1 << 19; 17527 17528 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17529 17530 private int mTypes; 17531 17532 private int mOptions; 17533 17534 private boolean mTitlePrinted; 17535 17536 private SharedUserSetting mSharedUser; 17537 17538 public boolean isDumping(int type) { 17539 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17540 return true; 17541 } 17542 17543 return (mTypes & type) != 0; 17544 } 17545 17546 public void setDump(int type) { 17547 mTypes |= type; 17548 } 17549 17550 public boolean isOptionEnabled(int option) { 17551 return (mOptions & option) != 0; 17552 } 17553 17554 public void setOptionEnabled(int option) { 17555 mOptions |= option; 17556 } 17557 17558 public boolean onTitlePrinted() { 17559 final boolean printed = mTitlePrinted; 17560 mTitlePrinted = true; 17561 return printed; 17562 } 17563 17564 public boolean getTitlePrinted() { 17565 return mTitlePrinted; 17566 } 17567 17568 public void setTitlePrinted(boolean enabled) { 17569 mTitlePrinted = enabled; 17570 } 17571 17572 public SharedUserSetting getSharedUser() { 17573 return mSharedUser; 17574 } 17575 17576 public void setSharedUser(SharedUserSetting user) { 17577 mSharedUser = user; 17578 } 17579 } 17580 17581 @Override 17582 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17583 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17584 (new PackageManagerShellCommand(this)).exec( 17585 this, in, out, err, args, resultReceiver); 17586 } 17587 17588 @Override 17589 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17590 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17591 != PackageManager.PERMISSION_GRANTED) { 17592 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17593 + Binder.getCallingPid() 17594 + ", uid=" + Binder.getCallingUid() 17595 + " without permission " 17596 + android.Manifest.permission.DUMP); 17597 return; 17598 } 17599 17600 DumpState dumpState = new DumpState(); 17601 boolean fullPreferred = false; 17602 boolean checkin = false; 17603 17604 String packageName = null; 17605 ArraySet<String> permissionNames = null; 17606 17607 int opti = 0; 17608 while (opti < args.length) { 17609 String opt = args[opti]; 17610 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17611 break; 17612 } 17613 opti++; 17614 17615 if ("-a".equals(opt)) { 17616 // Right now we only know how to print all. 17617 } else if ("-h".equals(opt)) { 17618 pw.println("Package manager dump options:"); 17619 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17620 pw.println(" --checkin: dump for a checkin"); 17621 pw.println(" -f: print details of intent filters"); 17622 pw.println(" -h: print this help"); 17623 pw.println(" cmd may be one of:"); 17624 pw.println(" l[ibraries]: list known shared libraries"); 17625 pw.println(" f[eatures]: list device features"); 17626 pw.println(" k[eysets]: print known keysets"); 17627 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17628 pw.println(" perm[issions]: dump permissions"); 17629 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17630 pw.println(" pref[erred]: print preferred package settings"); 17631 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17632 pw.println(" prov[iders]: dump content providers"); 17633 pw.println(" p[ackages]: dump installed packages"); 17634 pw.println(" s[hared-users]: dump shared user IDs"); 17635 pw.println(" m[essages]: print collected runtime messages"); 17636 pw.println(" v[erifiers]: print package verifier info"); 17637 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17638 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17639 pw.println(" version: print database version info"); 17640 pw.println(" write: write current settings now"); 17641 pw.println(" installs: details about install sessions"); 17642 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17643 pw.println(" <package.name>: info about given package"); 17644 return; 17645 } else if ("--checkin".equals(opt)) { 17646 checkin = true; 17647 } else if ("-f".equals(opt)) { 17648 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17649 } else { 17650 pw.println("Unknown argument: " + opt + "; use -h for help"); 17651 } 17652 } 17653 17654 // Is the caller requesting to dump a particular piece of data? 17655 if (opti < args.length) { 17656 String cmd = args[opti]; 17657 opti++; 17658 // Is this a package name? 17659 if ("android".equals(cmd) || cmd.contains(".")) { 17660 packageName = cmd; 17661 // When dumping a single package, we always dump all of its 17662 // filter information since the amount of data will be reasonable. 17663 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17664 } else if ("check-permission".equals(cmd)) { 17665 if (opti >= args.length) { 17666 pw.println("Error: check-permission missing permission argument"); 17667 return; 17668 } 17669 String perm = args[opti]; 17670 opti++; 17671 if (opti >= args.length) { 17672 pw.println("Error: check-permission missing package argument"); 17673 return; 17674 } 17675 String pkg = args[opti]; 17676 opti++; 17677 int user = UserHandle.getUserId(Binder.getCallingUid()); 17678 if (opti < args.length) { 17679 try { 17680 user = Integer.parseInt(args[opti]); 17681 } catch (NumberFormatException e) { 17682 pw.println("Error: check-permission user argument is not a number: " 17683 + args[opti]); 17684 return; 17685 } 17686 } 17687 pw.println(checkPermission(perm, pkg, user)); 17688 return; 17689 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17690 dumpState.setDump(DumpState.DUMP_LIBS); 17691 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17692 dumpState.setDump(DumpState.DUMP_FEATURES); 17693 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17694 if (opti >= args.length) { 17695 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17696 | DumpState.DUMP_SERVICE_RESOLVERS 17697 | DumpState.DUMP_RECEIVER_RESOLVERS 17698 | DumpState.DUMP_CONTENT_RESOLVERS); 17699 } else { 17700 while (opti < args.length) { 17701 String name = args[opti]; 17702 if ("a".equals(name) || "activity".equals(name)) { 17703 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17704 } else if ("s".equals(name) || "service".equals(name)) { 17705 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17706 } else if ("r".equals(name) || "receiver".equals(name)) { 17707 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17708 } else if ("c".equals(name) || "content".equals(name)) { 17709 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17710 } else { 17711 pw.println("Error: unknown resolver table type: " + name); 17712 return; 17713 } 17714 opti++; 17715 } 17716 } 17717 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17718 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17719 } else if ("permission".equals(cmd)) { 17720 if (opti >= args.length) { 17721 pw.println("Error: permission requires permission name"); 17722 return; 17723 } 17724 permissionNames = new ArraySet<>(); 17725 while (opti < args.length) { 17726 permissionNames.add(args[opti]); 17727 opti++; 17728 } 17729 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17730 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17731 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17732 dumpState.setDump(DumpState.DUMP_PREFERRED); 17733 } else if ("preferred-xml".equals(cmd)) { 17734 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17735 if (opti < args.length && "--full".equals(args[opti])) { 17736 fullPreferred = true; 17737 opti++; 17738 } 17739 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17740 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17741 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17742 dumpState.setDump(DumpState.DUMP_PACKAGES); 17743 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17744 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17745 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17746 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17747 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17748 dumpState.setDump(DumpState.DUMP_MESSAGES); 17749 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17750 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17751 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17752 || "intent-filter-verifiers".equals(cmd)) { 17753 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17754 } else if ("version".equals(cmd)) { 17755 dumpState.setDump(DumpState.DUMP_VERSION); 17756 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17757 dumpState.setDump(DumpState.DUMP_KEYSETS); 17758 } else if ("installs".equals(cmd)) { 17759 dumpState.setDump(DumpState.DUMP_INSTALLS); 17760 } else if ("frozen".equals(cmd)) { 17761 dumpState.setDump(DumpState.DUMP_FROZEN); 17762 } else if ("write".equals(cmd)) { 17763 synchronized (mPackages) { 17764 mSettings.writeLPr(); 17765 pw.println("Settings written."); 17766 return; 17767 } 17768 } 17769 } 17770 17771 if (checkin) { 17772 pw.println("vers,1"); 17773 } 17774 17775 // reader 17776 synchronized (mPackages) { 17777 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17778 if (!checkin) { 17779 if (dumpState.onTitlePrinted()) 17780 pw.println(); 17781 pw.println("Database versions:"); 17782 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17783 } 17784 } 17785 17786 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17787 if (!checkin) { 17788 if (dumpState.onTitlePrinted()) 17789 pw.println(); 17790 pw.println("Verifiers:"); 17791 pw.print(" Required: "); 17792 pw.print(mRequiredVerifierPackage); 17793 pw.print(" (uid="); 17794 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17795 UserHandle.USER_SYSTEM)); 17796 pw.println(")"); 17797 } else if (mRequiredVerifierPackage != null) { 17798 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17799 pw.print(","); 17800 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17801 UserHandle.USER_SYSTEM)); 17802 } 17803 } 17804 17805 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17806 packageName == null) { 17807 if (mIntentFilterVerifierComponent != null) { 17808 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17809 if (!checkin) { 17810 if (dumpState.onTitlePrinted()) 17811 pw.println(); 17812 pw.println("Intent Filter Verifier:"); 17813 pw.print(" Using: "); 17814 pw.print(verifierPackageName); 17815 pw.print(" (uid="); 17816 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17817 UserHandle.USER_SYSTEM)); 17818 pw.println(")"); 17819 } else if (verifierPackageName != null) { 17820 pw.print("ifv,"); pw.print(verifierPackageName); 17821 pw.print(","); 17822 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17823 UserHandle.USER_SYSTEM)); 17824 } 17825 } else { 17826 pw.println(); 17827 pw.println("No Intent Filter Verifier available!"); 17828 } 17829 } 17830 17831 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17832 boolean printedHeader = false; 17833 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17834 while (it.hasNext()) { 17835 String name = it.next(); 17836 SharedLibraryEntry ent = mSharedLibraries.get(name); 17837 if (!checkin) { 17838 if (!printedHeader) { 17839 if (dumpState.onTitlePrinted()) 17840 pw.println(); 17841 pw.println("Libraries:"); 17842 printedHeader = true; 17843 } 17844 pw.print(" "); 17845 } else { 17846 pw.print("lib,"); 17847 } 17848 pw.print(name); 17849 if (!checkin) { 17850 pw.print(" -> "); 17851 } 17852 if (ent.path != null) { 17853 if (!checkin) { 17854 pw.print("(jar) "); 17855 pw.print(ent.path); 17856 } else { 17857 pw.print(",jar,"); 17858 pw.print(ent.path); 17859 } 17860 } else { 17861 if (!checkin) { 17862 pw.print("(apk) "); 17863 pw.print(ent.apk); 17864 } else { 17865 pw.print(",apk,"); 17866 pw.print(ent.apk); 17867 } 17868 } 17869 pw.println(); 17870 } 17871 } 17872 17873 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17874 if (dumpState.onTitlePrinted()) 17875 pw.println(); 17876 if (!checkin) { 17877 pw.println("Features:"); 17878 } 17879 17880 for (FeatureInfo feat : mAvailableFeatures.values()) { 17881 if (checkin) { 17882 pw.print("feat,"); 17883 pw.print(feat.name); 17884 pw.print(","); 17885 pw.println(feat.version); 17886 } else { 17887 pw.print(" "); 17888 pw.print(feat.name); 17889 if (feat.version > 0) { 17890 pw.print(" version="); 17891 pw.print(feat.version); 17892 } 17893 pw.println(); 17894 } 17895 } 17896 } 17897 17898 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17899 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17900 : "Activity Resolver Table:", " ", packageName, 17901 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17902 dumpState.setTitlePrinted(true); 17903 } 17904 } 17905 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17906 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17907 : "Receiver Resolver Table:", " ", packageName, 17908 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17909 dumpState.setTitlePrinted(true); 17910 } 17911 } 17912 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17913 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17914 : "Service Resolver Table:", " ", packageName, 17915 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17916 dumpState.setTitlePrinted(true); 17917 } 17918 } 17919 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17920 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17921 : "Provider Resolver Table:", " ", packageName, 17922 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17923 dumpState.setTitlePrinted(true); 17924 } 17925 } 17926 17927 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17928 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17929 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17930 int user = mSettings.mPreferredActivities.keyAt(i); 17931 if (pir.dump(pw, 17932 dumpState.getTitlePrinted() 17933 ? "\nPreferred Activities User " + user + ":" 17934 : "Preferred Activities User " + user + ":", " ", 17935 packageName, true, false)) { 17936 dumpState.setTitlePrinted(true); 17937 } 17938 } 17939 } 17940 17941 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17942 pw.flush(); 17943 FileOutputStream fout = new FileOutputStream(fd); 17944 BufferedOutputStream str = new BufferedOutputStream(fout); 17945 XmlSerializer serializer = new FastXmlSerializer(); 17946 try { 17947 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17948 serializer.startDocument(null, true); 17949 serializer.setFeature( 17950 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17951 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17952 serializer.endDocument(); 17953 serializer.flush(); 17954 } catch (IllegalArgumentException e) { 17955 pw.println("Failed writing: " + e); 17956 } catch (IllegalStateException e) { 17957 pw.println("Failed writing: " + e); 17958 } catch (IOException e) { 17959 pw.println("Failed writing: " + e); 17960 } 17961 } 17962 17963 if (!checkin 17964 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17965 && packageName == null) { 17966 pw.println(); 17967 int count = mSettings.mPackages.size(); 17968 if (count == 0) { 17969 pw.println("No applications!"); 17970 pw.println(); 17971 } else { 17972 final String prefix = " "; 17973 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17974 if (allPackageSettings.size() == 0) { 17975 pw.println("No domain preferred apps!"); 17976 pw.println(); 17977 } else { 17978 pw.println("App verification status:"); 17979 pw.println(); 17980 count = 0; 17981 for (PackageSetting ps : allPackageSettings) { 17982 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17983 if (ivi == null || ivi.getPackageName() == null) continue; 17984 pw.println(prefix + "Package: " + ivi.getPackageName()); 17985 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17986 pw.println(prefix + "Status: " + ivi.getStatusString()); 17987 pw.println(); 17988 count++; 17989 } 17990 if (count == 0) { 17991 pw.println(prefix + "No app verification established."); 17992 pw.println(); 17993 } 17994 for (int userId : sUserManager.getUserIds()) { 17995 pw.println("App linkages for user " + userId + ":"); 17996 pw.println(); 17997 count = 0; 17998 for (PackageSetting ps : allPackageSettings) { 17999 final long status = ps.getDomainVerificationStatusForUser(userId); 18000 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18001 continue; 18002 } 18003 pw.println(prefix + "Package: " + ps.name); 18004 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18005 String statusStr = IntentFilterVerificationInfo. 18006 getStatusStringFromValue(status); 18007 pw.println(prefix + "Status: " + statusStr); 18008 pw.println(); 18009 count++; 18010 } 18011 if (count == 0) { 18012 pw.println(prefix + "No configured app linkages."); 18013 pw.println(); 18014 } 18015 } 18016 } 18017 } 18018 } 18019 18020 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18021 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18022 if (packageName == null && permissionNames == null) { 18023 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18024 if (iperm == 0) { 18025 if (dumpState.onTitlePrinted()) 18026 pw.println(); 18027 pw.println("AppOp Permissions:"); 18028 } 18029 pw.print(" AppOp Permission "); 18030 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18031 pw.println(":"); 18032 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18033 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18034 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18035 } 18036 } 18037 } 18038 } 18039 18040 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18041 boolean printedSomething = false; 18042 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18043 if (packageName != null && !packageName.equals(p.info.packageName)) { 18044 continue; 18045 } 18046 if (!printedSomething) { 18047 if (dumpState.onTitlePrinted()) 18048 pw.println(); 18049 pw.println("Registered ContentProviders:"); 18050 printedSomething = true; 18051 } 18052 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18053 pw.print(" "); pw.println(p.toString()); 18054 } 18055 printedSomething = false; 18056 for (Map.Entry<String, PackageParser.Provider> entry : 18057 mProvidersByAuthority.entrySet()) { 18058 PackageParser.Provider p = entry.getValue(); 18059 if (packageName != null && !packageName.equals(p.info.packageName)) { 18060 continue; 18061 } 18062 if (!printedSomething) { 18063 if (dumpState.onTitlePrinted()) 18064 pw.println(); 18065 pw.println("ContentProvider Authorities:"); 18066 printedSomething = true; 18067 } 18068 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18069 pw.print(" "); pw.println(p.toString()); 18070 if (p.info != null && p.info.applicationInfo != null) { 18071 final String appInfo = p.info.applicationInfo.toString(); 18072 pw.print(" applicationInfo="); pw.println(appInfo); 18073 } 18074 } 18075 } 18076 18077 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18078 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18079 } 18080 18081 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18082 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18083 } 18084 18085 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18086 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18087 } 18088 18089 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18090 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18091 } 18092 18093 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18094 // XXX should handle packageName != null by dumping only install data that 18095 // the given package is involved with. 18096 if (dumpState.onTitlePrinted()) pw.println(); 18097 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18098 } 18099 18100 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18101 // XXX should handle packageName != null by dumping only install data that 18102 // the given package is involved with. 18103 if (dumpState.onTitlePrinted()) pw.println(); 18104 18105 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18106 ipw.println(); 18107 ipw.println("Frozen packages:"); 18108 ipw.increaseIndent(); 18109 if (mFrozenPackages.size() == 0) { 18110 ipw.println("(none)"); 18111 } else { 18112 for (int i = 0; i < mFrozenPackages.size(); i++) { 18113 ipw.println(mFrozenPackages.valueAt(i)); 18114 } 18115 } 18116 ipw.decreaseIndent(); 18117 } 18118 18119 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18120 if (dumpState.onTitlePrinted()) pw.println(); 18121 mSettings.dumpReadMessagesLPr(pw, dumpState); 18122 18123 pw.println(); 18124 pw.println("Package warning messages:"); 18125 BufferedReader in = null; 18126 String line = null; 18127 try { 18128 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18129 while ((line = in.readLine()) != null) { 18130 if (line.contains("ignored: updated version")) continue; 18131 pw.println(line); 18132 } 18133 } catch (IOException ignored) { 18134 } finally { 18135 IoUtils.closeQuietly(in); 18136 } 18137 } 18138 18139 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18140 BufferedReader in = null; 18141 String line = null; 18142 try { 18143 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18144 while ((line = in.readLine()) != null) { 18145 if (line.contains("ignored: updated version")) continue; 18146 pw.print("msg,"); 18147 pw.println(line); 18148 } 18149 } catch (IOException ignored) { 18150 } finally { 18151 IoUtils.closeQuietly(in); 18152 } 18153 } 18154 } 18155 } 18156 18157 private String dumpDomainString(String packageName) { 18158 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18159 .getList(); 18160 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18161 18162 ArraySet<String> result = new ArraySet<>(); 18163 if (iviList.size() > 0) { 18164 for (IntentFilterVerificationInfo ivi : iviList) { 18165 for (String host : ivi.getDomains()) { 18166 result.add(host); 18167 } 18168 } 18169 } 18170 if (filters != null && filters.size() > 0) { 18171 for (IntentFilter filter : filters) { 18172 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18173 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18174 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18175 result.addAll(filter.getHostsList()); 18176 } 18177 } 18178 } 18179 18180 StringBuilder sb = new StringBuilder(result.size() * 16); 18181 for (String domain : result) { 18182 if (sb.length() > 0) sb.append(" "); 18183 sb.append(domain); 18184 } 18185 return sb.toString(); 18186 } 18187 18188 // ------- apps on sdcard specific code ------- 18189 static final boolean DEBUG_SD_INSTALL = false; 18190 18191 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18192 18193 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18194 18195 private boolean mMediaMounted = false; 18196 18197 static String getEncryptKey() { 18198 try { 18199 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18200 SD_ENCRYPTION_KEYSTORE_NAME); 18201 if (sdEncKey == null) { 18202 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18203 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18204 if (sdEncKey == null) { 18205 Slog.e(TAG, "Failed to create encryption keys"); 18206 return null; 18207 } 18208 } 18209 return sdEncKey; 18210 } catch (NoSuchAlgorithmException nsae) { 18211 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18212 return null; 18213 } catch (IOException ioe) { 18214 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18215 return null; 18216 } 18217 } 18218 18219 /* 18220 * Update media status on PackageManager. 18221 */ 18222 @Override 18223 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18224 int callingUid = Binder.getCallingUid(); 18225 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18226 throw new SecurityException("Media status can only be updated by the system"); 18227 } 18228 // reader; this apparently protects mMediaMounted, but should probably 18229 // be a different lock in that case. 18230 synchronized (mPackages) { 18231 Log.i(TAG, "Updating external media status from " 18232 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18233 + (mediaStatus ? "mounted" : "unmounted")); 18234 if (DEBUG_SD_INSTALL) 18235 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18236 + ", mMediaMounted=" + mMediaMounted); 18237 if (mediaStatus == mMediaMounted) { 18238 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18239 : 0, -1); 18240 mHandler.sendMessage(msg); 18241 return; 18242 } 18243 mMediaMounted = mediaStatus; 18244 } 18245 // Queue up an async operation since the package installation may take a 18246 // little while. 18247 mHandler.post(new Runnable() { 18248 public void run() { 18249 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18250 } 18251 }); 18252 } 18253 18254 /** 18255 * Called by MountService when the initial ASECs to scan are available. 18256 * Should block until all the ASEC containers are finished being scanned. 18257 */ 18258 public void scanAvailableAsecs() { 18259 updateExternalMediaStatusInner(true, false, false); 18260 } 18261 18262 /* 18263 * Collect information of applications on external media, map them against 18264 * existing containers and update information based on current mount status. 18265 * Please note that we always have to report status if reportStatus has been 18266 * set to true especially when unloading packages. 18267 */ 18268 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18269 boolean externalStorage) { 18270 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18271 int[] uidArr = EmptyArray.INT; 18272 18273 final String[] list = PackageHelper.getSecureContainerList(); 18274 if (ArrayUtils.isEmpty(list)) { 18275 Log.i(TAG, "No secure containers found"); 18276 } else { 18277 // Process list of secure containers and categorize them 18278 // as active or stale based on their package internal state. 18279 18280 // reader 18281 synchronized (mPackages) { 18282 for (String cid : list) { 18283 // Leave stages untouched for now; installer service owns them 18284 if (PackageInstallerService.isStageName(cid)) continue; 18285 18286 if (DEBUG_SD_INSTALL) 18287 Log.i(TAG, "Processing container " + cid); 18288 String pkgName = getAsecPackageName(cid); 18289 if (pkgName == null) { 18290 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18291 continue; 18292 } 18293 if (DEBUG_SD_INSTALL) 18294 Log.i(TAG, "Looking for pkg : " + pkgName); 18295 18296 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18297 if (ps == null) { 18298 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18299 continue; 18300 } 18301 18302 /* 18303 * Skip packages that are not external if we're unmounting 18304 * external storage. 18305 */ 18306 if (externalStorage && !isMounted && !isExternal(ps)) { 18307 continue; 18308 } 18309 18310 final AsecInstallArgs args = new AsecInstallArgs(cid, 18311 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18312 // The package status is changed only if the code path 18313 // matches between settings and the container id. 18314 if (ps.codePathString != null 18315 && ps.codePathString.startsWith(args.getCodePath())) { 18316 if (DEBUG_SD_INSTALL) { 18317 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18318 + " at code path: " + ps.codePathString); 18319 } 18320 18321 // We do have a valid package installed on sdcard 18322 processCids.put(args, ps.codePathString); 18323 final int uid = ps.appId; 18324 if (uid != -1) { 18325 uidArr = ArrayUtils.appendInt(uidArr, uid); 18326 } 18327 } else { 18328 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18329 + ps.codePathString); 18330 } 18331 } 18332 } 18333 18334 Arrays.sort(uidArr); 18335 } 18336 18337 // Process packages with valid entries. 18338 if (isMounted) { 18339 if (DEBUG_SD_INSTALL) 18340 Log.i(TAG, "Loading packages"); 18341 loadMediaPackages(processCids, uidArr, externalStorage); 18342 startCleaningPackages(); 18343 mInstallerService.onSecureContainersAvailable(); 18344 } else { 18345 if (DEBUG_SD_INSTALL) 18346 Log.i(TAG, "Unloading packages"); 18347 unloadMediaPackages(processCids, uidArr, reportStatus); 18348 } 18349 } 18350 18351 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18352 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18353 final int size = infos.size(); 18354 final String[] packageNames = new String[size]; 18355 final int[] packageUids = new int[size]; 18356 for (int i = 0; i < size; i++) { 18357 final ApplicationInfo info = infos.get(i); 18358 packageNames[i] = info.packageName; 18359 packageUids[i] = info.uid; 18360 } 18361 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18362 finishedReceiver); 18363 } 18364 18365 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18366 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18367 sendResourcesChangedBroadcast(mediaStatus, replacing, 18368 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18369 } 18370 18371 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18372 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18373 int size = pkgList.length; 18374 if (size > 0) { 18375 // Send broadcasts here 18376 Bundle extras = new Bundle(); 18377 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18378 if (uidArr != null) { 18379 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18380 } 18381 if (replacing) { 18382 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18383 } 18384 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18385 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18386 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18387 } 18388 } 18389 18390 /* 18391 * Look at potentially valid container ids from processCids If package 18392 * information doesn't match the one on record or package scanning fails, 18393 * the cid is added to list of removeCids. We currently don't delete stale 18394 * containers. 18395 */ 18396 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18397 boolean externalStorage) { 18398 ArrayList<String> pkgList = new ArrayList<String>(); 18399 Set<AsecInstallArgs> keys = processCids.keySet(); 18400 18401 for (AsecInstallArgs args : keys) { 18402 String codePath = processCids.get(args); 18403 if (DEBUG_SD_INSTALL) 18404 Log.i(TAG, "Loading container : " + args.cid); 18405 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18406 try { 18407 // Make sure there are no container errors first. 18408 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18409 Slog.e(TAG, "Failed to mount cid : " + args.cid 18410 + " when installing from sdcard"); 18411 continue; 18412 } 18413 // Check code path here. 18414 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18415 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18416 + " does not match one in settings " + codePath); 18417 continue; 18418 } 18419 // Parse package 18420 int parseFlags = mDefParseFlags; 18421 if (args.isExternalAsec()) { 18422 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18423 } 18424 if (args.isFwdLocked()) { 18425 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18426 } 18427 18428 synchronized (mInstallLock) { 18429 PackageParser.Package pkg = null; 18430 try { 18431 // Sadly we don't know the package name yet to freeze it 18432 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18433 SCAN_IGNORE_FROZEN, 0, null); 18434 } catch (PackageManagerException e) { 18435 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18436 } 18437 // Scan the package 18438 if (pkg != null) { 18439 /* 18440 * TODO why is the lock being held? doPostInstall is 18441 * called in other places without the lock. This needs 18442 * to be straightened out. 18443 */ 18444 // writer 18445 synchronized (mPackages) { 18446 retCode = PackageManager.INSTALL_SUCCEEDED; 18447 pkgList.add(pkg.packageName); 18448 // Post process args 18449 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18450 pkg.applicationInfo.uid); 18451 } 18452 } else { 18453 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18454 } 18455 } 18456 18457 } finally { 18458 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18459 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18460 } 18461 } 18462 } 18463 // writer 18464 synchronized (mPackages) { 18465 // If the platform SDK has changed since the last time we booted, 18466 // we need to re-grant app permission to catch any new ones that 18467 // appear. This is really a hack, and means that apps can in some 18468 // cases get permissions that the user didn't initially explicitly 18469 // allow... it would be nice to have some better way to handle 18470 // this situation. 18471 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18472 : mSettings.getInternalVersion(); 18473 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18474 : StorageManager.UUID_PRIVATE_INTERNAL; 18475 18476 int updateFlags = UPDATE_PERMISSIONS_ALL; 18477 if (ver.sdkVersion != mSdkVersion) { 18478 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18479 + mSdkVersion + "; regranting permissions for external"); 18480 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18481 } 18482 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18483 18484 // Yay, everything is now upgraded 18485 ver.forceCurrent(); 18486 18487 // can downgrade to reader 18488 // Persist settings 18489 mSettings.writeLPr(); 18490 } 18491 // Send a broadcast to let everyone know we are done processing 18492 if (pkgList.size() > 0) { 18493 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18494 } 18495 } 18496 18497 /* 18498 * Utility method to unload a list of specified containers 18499 */ 18500 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18501 // Just unmount all valid containers. 18502 for (AsecInstallArgs arg : cidArgs) { 18503 synchronized (mInstallLock) { 18504 arg.doPostDeleteLI(false); 18505 } 18506 } 18507 } 18508 18509 /* 18510 * Unload packages mounted on external media. This involves deleting package 18511 * data from internal structures, sending broadcasts about disabled packages, 18512 * gc'ing to free up references, unmounting all secure containers 18513 * corresponding to packages on external media, and posting a 18514 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18515 * that we always have to post this message if status has been requested no 18516 * matter what. 18517 */ 18518 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18519 final boolean reportStatus) { 18520 if (DEBUG_SD_INSTALL) 18521 Log.i(TAG, "unloading media packages"); 18522 ArrayList<String> pkgList = new ArrayList<String>(); 18523 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18524 final Set<AsecInstallArgs> keys = processCids.keySet(); 18525 for (AsecInstallArgs args : keys) { 18526 String pkgName = args.getPackageName(); 18527 if (DEBUG_SD_INSTALL) 18528 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18529 // Delete package internally 18530 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18531 synchronized (mInstallLock) { 18532 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18533 final boolean res; 18534 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18535 "unloadMediaPackages")) { 18536 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18537 null); 18538 } 18539 if (res) { 18540 pkgList.add(pkgName); 18541 } else { 18542 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18543 failedList.add(args); 18544 } 18545 } 18546 } 18547 18548 // reader 18549 synchronized (mPackages) { 18550 // We didn't update the settings after removing each package; 18551 // write them now for all packages. 18552 mSettings.writeLPr(); 18553 } 18554 18555 // We have to absolutely send UPDATED_MEDIA_STATUS only 18556 // after confirming that all the receivers processed the ordered 18557 // broadcast when packages get disabled, force a gc to clean things up. 18558 // and unload all the containers. 18559 if (pkgList.size() > 0) { 18560 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18561 new IIntentReceiver.Stub() { 18562 public void performReceive(Intent intent, int resultCode, String data, 18563 Bundle extras, boolean ordered, boolean sticky, 18564 int sendingUser) throws RemoteException { 18565 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18566 reportStatus ? 1 : 0, 1, keys); 18567 mHandler.sendMessage(msg); 18568 } 18569 }); 18570 } else { 18571 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18572 keys); 18573 mHandler.sendMessage(msg); 18574 } 18575 } 18576 18577 private void loadPrivatePackages(final VolumeInfo vol) { 18578 mHandler.post(new Runnable() { 18579 @Override 18580 public void run() { 18581 loadPrivatePackagesInner(vol); 18582 } 18583 }); 18584 } 18585 18586 private void loadPrivatePackagesInner(VolumeInfo vol) { 18587 final String volumeUuid = vol.fsUuid; 18588 if (TextUtils.isEmpty(volumeUuid)) { 18589 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18590 return; 18591 } 18592 18593 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18594 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18595 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18596 18597 final VersionInfo ver; 18598 final List<PackageSetting> packages; 18599 synchronized (mPackages) { 18600 ver = mSettings.findOrCreateVersion(volumeUuid); 18601 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18602 } 18603 18604 for (PackageSetting ps : packages) { 18605 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18606 synchronized (mInstallLock) { 18607 final PackageParser.Package pkg; 18608 try { 18609 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18610 loaded.add(pkg.applicationInfo); 18611 18612 } catch (PackageManagerException e) { 18613 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18614 } 18615 18616 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18617 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18618 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18619 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18620 } 18621 } 18622 } 18623 18624 // Reconcile app data for all started/unlocked users 18625 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18626 final UserManager um = mContext.getSystemService(UserManager.class); 18627 for (UserInfo user : um.getUsers()) { 18628 final int flags; 18629 if (um.isUserUnlocked(user.id)) { 18630 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18631 } else if (um.isUserRunning(user.id)) { 18632 flags = StorageManager.FLAG_STORAGE_DE; 18633 } else { 18634 continue; 18635 } 18636 18637 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18638 synchronized (mInstallLock) { 18639 reconcileAppsDataLI(volumeUuid, user.id, flags); 18640 } 18641 } 18642 18643 synchronized (mPackages) { 18644 int updateFlags = UPDATE_PERMISSIONS_ALL; 18645 if (ver.sdkVersion != mSdkVersion) { 18646 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18647 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18648 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18649 } 18650 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18651 18652 // Yay, everything is now upgraded 18653 ver.forceCurrent(); 18654 18655 mSettings.writeLPr(); 18656 } 18657 18658 for (PackageFreezer freezer : freezers) { 18659 freezer.close(); 18660 } 18661 18662 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18663 sendResourcesChangedBroadcast(true, false, loaded, null); 18664 } 18665 18666 private void unloadPrivatePackages(final VolumeInfo vol) { 18667 mHandler.post(new Runnable() { 18668 @Override 18669 public void run() { 18670 unloadPrivatePackagesInner(vol); 18671 } 18672 }); 18673 } 18674 18675 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18676 final String volumeUuid = vol.fsUuid; 18677 if (TextUtils.isEmpty(volumeUuid)) { 18678 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18679 return; 18680 } 18681 18682 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18683 synchronized (mInstallLock) { 18684 synchronized (mPackages) { 18685 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18686 for (PackageSetting ps : packages) { 18687 if (ps.pkg == null) continue; 18688 18689 final ApplicationInfo info = ps.pkg.applicationInfo; 18690 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18691 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18692 18693 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18694 "unloadPrivatePackagesInner")) { 18695 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18696 false, null)) { 18697 unloaded.add(info); 18698 } else { 18699 Slog.w(TAG, "Failed to unload " + ps.codePath); 18700 } 18701 } 18702 } 18703 18704 mSettings.writeLPr(); 18705 } 18706 } 18707 18708 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18709 sendResourcesChangedBroadcast(false, false, unloaded, null); 18710 } 18711 18712 /** 18713 * Prepare storage areas for given user on all mounted devices. 18714 */ 18715 void prepareUserData(int userId, int userSerial, int flags) { 18716 synchronized (mInstallLock) { 18717 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18718 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18719 final String volumeUuid = vol.getFsUuid(); 18720 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 18721 } 18722 } 18723 } 18724 18725 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 18726 boolean allowRecover) { 18727 // Prepare storage and verify that serial numbers are consistent; if 18728 // there's a mismatch we need to destroy to avoid leaking data 18729 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18730 try { 18731 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 18732 18733 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 18734 UserManagerService.enforceSerialNumber( 18735 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 18736 } 18737 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 18738 UserManagerService.enforceSerialNumber( 18739 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 18740 } 18741 18742 synchronized (mInstallLock) { 18743 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 18744 } 18745 } catch (Exception e) { 18746 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 18747 + " because we failed to prepare: " + e); 18748 destroyUserDataLI(volumeUuid, userId, flags); 18749 18750 if (allowRecover) { 18751 // Try one last time; if we fail again we're really in trouble 18752 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 18753 } 18754 } 18755 } 18756 18757 /** 18758 * Destroy storage areas for given user on all mounted devices. 18759 */ 18760 void destroyUserData(int userId, int flags) { 18761 synchronized (mInstallLock) { 18762 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18763 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18764 final String volumeUuid = vol.getFsUuid(); 18765 destroyUserDataLI(volumeUuid, userId, flags); 18766 } 18767 } 18768 } 18769 18770 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 18771 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18772 try { 18773 // Clean up app data, profile data, and media data 18774 mInstaller.destroyUserData(volumeUuid, userId, flags); 18775 18776 // Clean up system data 18777 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 18778 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18779 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 18780 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 18781 } 18782 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18783 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 18784 } 18785 } 18786 18787 // Data with special labels is now gone, so finish the job 18788 storage.destroyUserStorage(volumeUuid, userId, flags); 18789 18790 } catch (Exception e) { 18791 logCriticalInfo(Log.WARN, 18792 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 18793 } 18794 } 18795 18796 /** 18797 * Examine all users present on given mounted volume, and destroy data 18798 * belonging to users that are no longer valid, or whose user ID has been 18799 * recycled. 18800 */ 18801 private void reconcileUsers(String volumeUuid) { 18802 final List<File> files = new ArrayList<>(); 18803 Collections.addAll(files, FileUtils 18804 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 18805 Collections.addAll(files, FileUtils 18806 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 18807 for (File file : files) { 18808 if (!file.isDirectory()) continue; 18809 18810 final int userId; 18811 final UserInfo info; 18812 try { 18813 userId = Integer.parseInt(file.getName()); 18814 info = sUserManager.getUserInfo(userId); 18815 } catch (NumberFormatException e) { 18816 Slog.w(TAG, "Invalid user directory " + file); 18817 continue; 18818 } 18819 18820 boolean destroyUser = false; 18821 if (info == null) { 18822 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18823 + " because no matching user was found"); 18824 destroyUser = true; 18825 } else if (!mOnlyCore) { 18826 try { 18827 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18828 } catch (IOException e) { 18829 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18830 + " because we failed to enforce serial number: " + e); 18831 destroyUser = true; 18832 } 18833 } 18834 18835 if (destroyUser) { 18836 synchronized (mInstallLock) { 18837 destroyUserDataLI(volumeUuid, userId, 18838 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18839 } 18840 } 18841 } 18842 } 18843 18844 private void assertPackageKnown(String volumeUuid, String packageName) 18845 throws PackageManagerException { 18846 synchronized (mPackages) { 18847 final PackageSetting ps = mSettings.mPackages.get(packageName); 18848 if (ps == null) { 18849 throw new PackageManagerException("Package " + packageName + " is unknown"); 18850 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18851 throw new PackageManagerException( 18852 "Package " + packageName + " found on unknown volume " + volumeUuid 18853 + "; expected volume " + ps.volumeUuid); 18854 } 18855 } 18856 } 18857 18858 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18859 throws PackageManagerException { 18860 synchronized (mPackages) { 18861 final PackageSetting ps = mSettings.mPackages.get(packageName); 18862 if (ps == null) { 18863 throw new PackageManagerException("Package " + packageName + " is unknown"); 18864 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18865 throw new PackageManagerException( 18866 "Package " + packageName + " found on unknown volume " + volumeUuid 18867 + "; expected volume " + ps.volumeUuid); 18868 } else if (!ps.getInstalled(userId)) { 18869 throw new PackageManagerException( 18870 "Package " + packageName + " not installed for user " + userId); 18871 } 18872 } 18873 } 18874 18875 /** 18876 * Examine all apps present on given mounted volume, and destroy apps that 18877 * aren't expected, either due to uninstallation or reinstallation on 18878 * another volume. 18879 */ 18880 private void reconcileApps(String volumeUuid) { 18881 final File[] files = FileUtils 18882 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18883 for (File file : files) { 18884 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18885 && !PackageInstallerService.isStageName(file.getName()); 18886 if (!isPackage) { 18887 // Ignore entries which are not packages 18888 continue; 18889 } 18890 18891 try { 18892 final PackageLite pkg = PackageParser.parsePackageLite(file, 18893 PackageParser.PARSE_MUST_BE_APK); 18894 assertPackageKnown(volumeUuid, pkg.packageName); 18895 18896 } catch (PackageParserException | PackageManagerException e) { 18897 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18898 synchronized (mInstallLock) { 18899 removeCodePathLI(file); 18900 } 18901 } 18902 } 18903 } 18904 18905 /** 18906 * Reconcile all app data for the given user. 18907 * <p> 18908 * Verifies that directories exist and that ownership and labeling is 18909 * correct for all installed apps on all mounted volumes. 18910 */ 18911 void reconcileAppsData(int userId, int flags) { 18912 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18913 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18914 final String volumeUuid = vol.getFsUuid(); 18915 synchronized (mInstallLock) { 18916 reconcileAppsDataLI(volumeUuid, userId, flags); 18917 } 18918 } 18919 } 18920 18921 /** 18922 * Reconcile all app data on given mounted volume. 18923 * <p> 18924 * Destroys app data that isn't expected, either due to uninstallation or 18925 * reinstallation on another volume. 18926 * <p> 18927 * Verifies that directories exist and that ownership and labeling is 18928 * correct for all installed apps. 18929 */ 18930 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 18931 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18932 + Integer.toHexString(flags)); 18933 18934 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18935 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18936 18937 boolean restoreconNeeded = false; 18938 18939 // First look for stale data that doesn't belong, and check if things 18940 // have changed since we did our last restorecon 18941 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18942 if (!isUserKeyUnlocked(userId)) { 18943 throw new RuntimeException( 18944 "Yikes, someone asked us to reconcile CE storage while " + userId 18945 + " was still locked; this would have caused massive data loss!"); 18946 } 18947 18948 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18949 18950 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18951 for (File file : files) { 18952 final String packageName = file.getName(); 18953 try { 18954 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18955 } catch (PackageManagerException e) { 18956 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18957 try { 18958 mInstaller.destroyAppData(volumeUuid, packageName, userId, 18959 StorageManager.FLAG_STORAGE_CE, 0); 18960 } catch (InstallerException e2) { 18961 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 18962 } 18963 } 18964 } 18965 } 18966 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18967 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18968 18969 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18970 for (File file : files) { 18971 final String packageName = file.getName(); 18972 try { 18973 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18974 } catch (PackageManagerException e) { 18975 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18976 try { 18977 mInstaller.destroyAppData(volumeUuid, packageName, userId, 18978 StorageManager.FLAG_STORAGE_DE, 0); 18979 } catch (InstallerException e2) { 18980 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 18981 } 18982 } 18983 } 18984 } 18985 18986 // Ensure that data directories are ready to roll for all packages 18987 // installed for this volume and user 18988 final List<PackageSetting> packages; 18989 synchronized (mPackages) { 18990 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18991 } 18992 int preparedCount = 0; 18993 for (PackageSetting ps : packages) { 18994 final String packageName = ps.name; 18995 if (ps.pkg == null) { 18996 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18997 // TODO: might be due to legacy ASEC apps; we should circle back 18998 // and reconcile again once they're scanned 18999 continue; 19000 } 19001 19002 if (ps.getInstalled(userId)) { 19003 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19004 19005 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19006 // We may have just shuffled around app data directories, so 19007 // prepare them one more time 19008 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19009 } 19010 19011 preparedCount++; 19012 } 19013 } 19014 19015 if (restoreconNeeded) { 19016 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19017 SELinuxMMAC.setRestoreconDone(ceDir); 19018 } 19019 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19020 SELinuxMMAC.setRestoreconDone(deDir); 19021 } 19022 } 19023 19024 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19025 + " packages; restoreconNeeded was " + restoreconNeeded); 19026 } 19027 19028 /** 19029 * Prepare app data for the given app just after it was installed or 19030 * upgraded. This method carefully only touches users that it's installed 19031 * for, and it forces a restorecon to handle any seinfo changes. 19032 * <p> 19033 * Verifies that directories exist and that ownership and labeling is 19034 * correct for all installed apps. If there is an ownership mismatch, it 19035 * will try recovering system apps by wiping data; third-party app data is 19036 * left intact. 19037 * <p> 19038 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19039 */ 19040 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19041 final PackageSetting ps; 19042 synchronized (mPackages) { 19043 ps = mSettings.mPackages.get(pkg.packageName); 19044 mSettings.writeKernelMappingLPr(ps); 19045 } 19046 19047 final UserManager um = mContext.getSystemService(UserManager.class); 19048 for (UserInfo user : um.getUsers()) { 19049 final int flags; 19050 if (um.isUserUnlocked(user.id)) { 19051 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19052 } else if (um.isUserRunning(user.id)) { 19053 flags = StorageManager.FLAG_STORAGE_DE; 19054 } else { 19055 continue; 19056 } 19057 19058 if (ps.getInstalled(user.id)) { 19059 // Whenever an app changes, force a restorecon of its data 19060 // TODO: when user data is locked, mark that we're still dirty 19061 prepareAppDataLIF(pkg, user.id, flags, true); 19062 } 19063 } 19064 } 19065 19066 /** 19067 * Prepare app data for the given app. 19068 * <p> 19069 * Verifies that directories exist and that ownership and labeling is 19070 * correct for all installed apps. If there is an ownership mismatch, this 19071 * will try recovering system apps by wiping data; third-party app data is 19072 * left intact. 19073 */ 19074 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19075 boolean restoreconNeeded) { 19076 if (pkg == null) { 19077 Slog.wtf(TAG, "Package was null!", new Throwable()); 19078 return; 19079 } 19080 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19081 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19082 for (int i = 0; i < childCount; i++) { 19083 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19084 } 19085 } 19086 19087 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19088 boolean restoreconNeeded) { 19089 if (DEBUG_APP_DATA) { 19090 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19091 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19092 } 19093 19094 final String volumeUuid = pkg.volumeUuid; 19095 final String packageName = pkg.packageName; 19096 final ApplicationInfo app = pkg.applicationInfo; 19097 final int appId = UserHandle.getAppId(app.uid); 19098 19099 Preconditions.checkNotNull(app.seinfo); 19100 19101 try { 19102 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19103 appId, app.seinfo, app.targetSdkVersion); 19104 } catch (InstallerException e) { 19105 if (app.isSystemApp()) { 19106 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19107 + ", but trying to recover: " + e); 19108 destroyAppDataLeafLIF(pkg, userId, flags); 19109 try { 19110 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19111 appId, app.seinfo, app.targetSdkVersion); 19112 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19113 } catch (InstallerException e2) { 19114 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19115 } 19116 } else { 19117 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19118 } 19119 } 19120 19121 if (restoreconNeeded) { 19122 try { 19123 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19124 app.seinfo); 19125 } catch (InstallerException e) { 19126 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19127 } 19128 } 19129 19130 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19131 try { 19132 // CE storage is unlocked right now, so read out the inode and 19133 // remember for use later when it's locked 19134 // TODO: mark this structure as dirty so we persist it! 19135 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19136 StorageManager.FLAG_STORAGE_CE); 19137 synchronized (mPackages) { 19138 final PackageSetting ps = mSettings.mPackages.get(packageName); 19139 if (ps != null) { 19140 ps.setCeDataInode(ceDataInode, userId); 19141 } 19142 } 19143 } catch (InstallerException e) { 19144 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19145 } 19146 } 19147 19148 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19149 } 19150 19151 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19152 if (pkg == null) { 19153 Slog.wtf(TAG, "Package was null!", new Throwable()); 19154 return; 19155 } 19156 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19157 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19158 for (int i = 0; i < childCount; i++) { 19159 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19160 } 19161 } 19162 19163 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19164 final String volumeUuid = pkg.volumeUuid; 19165 final String packageName = pkg.packageName; 19166 final ApplicationInfo app = pkg.applicationInfo; 19167 19168 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19169 // Create a native library symlink only if we have native libraries 19170 // and if the native libraries are 32 bit libraries. We do not provide 19171 // this symlink for 64 bit libraries. 19172 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19173 final String nativeLibPath = app.nativeLibraryDir; 19174 try { 19175 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19176 nativeLibPath, userId); 19177 } catch (InstallerException e) { 19178 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19179 } 19180 } 19181 } 19182 } 19183 19184 /** 19185 * For system apps on non-FBE devices, this method migrates any existing 19186 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19187 * requested by the app. 19188 */ 19189 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19190 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19191 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19192 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19193 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19194 try { 19195 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19196 storageTarget); 19197 } catch (InstallerException e) { 19198 logCriticalInfo(Log.WARN, 19199 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19200 } 19201 return true; 19202 } else { 19203 return false; 19204 } 19205 } 19206 19207 public PackageFreezer freezePackage(String packageName, String killReason) { 19208 return new PackageFreezer(packageName, killReason); 19209 } 19210 19211 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19212 String killReason) { 19213 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19214 return new PackageFreezer(); 19215 } else { 19216 return freezePackage(packageName, killReason); 19217 } 19218 } 19219 19220 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19221 String killReason) { 19222 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19223 return new PackageFreezer(); 19224 } else { 19225 return freezePackage(packageName, killReason); 19226 } 19227 } 19228 19229 /** 19230 * Class that freezes and kills the given package upon creation, and 19231 * unfreezes it upon closing. This is typically used when doing surgery on 19232 * app code/data to prevent the app from running while you're working. 19233 */ 19234 private class PackageFreezer implements AutoCloseable { 19235 private final String mPackageName; 19236 private final PackageFreezer[] mChildren; 19237 19238 private final boolean mWeFroze; 19239 19240 private final AtomicBoolean mClosed = new AtomicBoolean(); 19241 private final CloseGuard mCloseGuard = CloseGuard.get(); 19242 19243 /** 19244 * Create and return a stub freezer that doesn't actually do anything, 19245 * typically used when someone requested 19246 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19247 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19248 */ 19249 public PackageFreezer() { 19250 mPackageName = null; 19251 mChildren = null; 19252 mWeFroze = false; 19253 mCloseGuard.open("close"); 19254 } 19255 19256 public PackageFreezer(String packageName, String killReason) { 19257 synchronized (mPackages) { 19258 mPackageName = packageName; 19259 mWeFroze = mFrozenPackages.add(mPackageName); 19260 19261 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19262 if (ps != null) { 19263 killApplication(ps.name, ps.appId, killReason); 19264 } 19265 19266 final PackageParser.Package p = mPackages.get(packageName); 19267 if (p != null && p.childPackages != null) { 19268 final int N = p.childPackages.size(); 19269 mChildren = new PackageFreezer[N]; 19270 for (int i = 0; i < N; i++) { 19271 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19272 killReason); 19273 } 19274 } else { 19275 mChildren = null; 19276 } 19277 } 19278 mCloseGuard.open("close"); 19279 } 19280 19281 @Override 19282 protected void finalize() throws Throwable { 19283 try { 19284 mCloseGuard.warnIfOpen(); 19285 close(); 19286 } finally { 19287 super.finalize(); 19288 } 19289 } 19290 19291 @Override 19292 public void close() { 19293 mCloseGuard.close(); 19294 if (mClosed.compareAndSet(false, true)) { 19295 synchronized (mPackages) { 19296 if (mWeFroze) { 19297 mFrozenPackages.remove(mPackageName); 19298 } 19299 19300 if (mChildren != null) { 19301 for (PackageFreezer freezer : mChildren) { 19302 freezer.close(); 19303 } 19304 } 19305 } 19306 } 19307 } 19308 } 19309 19310 /** 19311 * Verify that given package is currently frozen. 19312 */ 19313 private void checkPackageFrozen(String packageName) { 19314 synchronized (mPackages) { 19315 if (!mFrozenPackages.contains(packageName)) { 19316 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19317 } 19318 } 19319 } 19320 19321 @Override 19322 public int movePackage(final String packageName, final String volumeUuid) { 19323 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19324 19325 final int moveId = mNextMoveId.getAndIncrement(); 19326 mHandler.post(new Runnable() { 19327 @Override 19328 public void run() { 19329 try { 19330 movePackageInternal(packageName, volumeUuid, moveId); 19331 } catch (PackageManagerException e) { 19332 Slog.w(TAG, "Failed to move " + packageName, e); 19333 mMoveCallbacks.notifyStatusChanged(moveId, 19334 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19335 } 19336 } 19337 }); 19338 return moveId; 19339 } 19340 19341 private void movePackageInternal(final String packageName, final String volumeUuid, 19342 final int moveId) throws PackageManagerException { 19343 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19344 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19345 final PackageManager pm = mContext.getPackageManager(); 19346 19347 final boolean currentAsec; 19348 final String currentVolumeUuid; 19349 final File codeFile; 19350 final String installerPackageName; 19351 final String packageAbiOverride; 19352 final int appId; 19353 final String seinfo; 19354 final String label; 19355 final int targetSdkVersion; 19356 final PackageFreezer freezer; 19357 19358 // reader 19359 synchronized (mPackages) { 19360 final PackageParser.Package pkg = mPackages.get(packageName); 19361 final PackageSetting ps = mSettings.mPackages.get(packageName); 19362 if (pkg == null || ps == null) { 19363 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19364 } 19365 19366 if (pkg.applicationInfo.isSystemApp()) { 19367 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19368 "Cannot move system application"); 19369 } 19370 19371 if (pkg.applicationInfo.isExternalAsec()) { 19372 currentAsec = true; 19373 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19374 } else if (pkg.applicationInfo.isForwardLocked()) { 19375 currentAsec = true; 19376 currentVolumeUuid = "forward_locked"; 19377 } else { 19378 currentAsec = false; 19379 currentVolumeUuid = ps.volumeUuid; 19380 19381 final File probe = new File(pkg.codePath); 19382 final File probeOat = new File(probe, "oat"); 19383 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19384 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19385 "Move only supported for modern cluster style installs"); 19386 } 19387 } 19388 19389 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19390 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19391 "Package already moved to " + volumeUuid); 19392 } 19393 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19394 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19395 "Device admin cannot be moved"); 19396 } 19397 19398 if (mFrozenPackages.contains(packageName)) { 19399 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19400 "Failed to move already frozen package"); 19401 } 19402 19403 codeFile = new File(pkg.codePath); 19404 installerPackageName = ps.installerPackageName; 19405 packageAbiOverride = ps.cpuAbiOverrideString; 19406 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19407 seinfo = pkg.applicationInfo.seinfo; 19408 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19409 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19410 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19411 } 19412 19413 final Bundle extras = new Bundle(); 19414 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19415 extras.putString(Intent.EXTRA_TITLE, label); 19416 mMoveCallbacks.notifyCreated(moveId, extras); 19417 19418 int installFlags; 19419 final boolean moveCompleteApp; 19420 final File measurePath; 19421 19422 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19423 installFlags = INSTALL_INTERNAL; 19424 moveCompleteApp = !currentAsec; 19425 measurePath = Environment.getDataAppDirectory(volumeUuid); 19426 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19427 installFlags = INSTALL_EXTERNAL; 19428 moveCompleteApp = false; 19429 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19430 } else { 19431 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19432 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19433 || !volume.isMountedWritable()) { 19434 freezer.close(); 19435 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19436 "Move location not mounted private volume"); 19437 } 19438 19439 Preconditions.checkState(!currentAsec); 19440 19441 installFlags = INSTALL_INTERNAL; 19442 moveCompleteApp = true; 19443 measurePath = Environment.getDataAppDirectory(volumeUuid); 19444 } 19445 19446 final PackageStats stats = new PackageStats(null, -1); 19447 synchronized (mInstaller) { 19448 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19449 freezer.close(); 19450 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19451 "Failed to measure package size"); 19452 } 19453 } 19454 19455 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19456 + stats.dataSize); 19457 19458 final long startFreeBytes = measurePath.getFreeSpace(); 19459 final long sizeBytes; 19460 if (moveCompleteApp) { 19461 sizeBytes = stats.codeSize + stats.dataSize; 19462 } else { 19463 sizeBytes = stats.codeSize; 19464 } 19465 19466 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19467 freezer.close(); 19468 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19469 "Not enough free space to move"); 19470 } 19471 19472 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19473 19474 final CountDownLatch installedLatch = new CountDownLatch(1); 19475 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19476 @Override 19477 public void onUserActionRequired(Intent intent) throws RemoteException { 19478 throw new IllegalStateException(); 19479 } 19480 19481 @Override 19482 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19483 Bundle extras) throws RemoteException { 19484 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19485 + PackageManager.installStatusToString(returnCode, msg)); 19486 19487 installedLatch.countDown(); 19488 freezer.close(); 19489 19490 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19491 switch (status) { 19492 case PackageInstaller.STATUS_SUCCESS: 19493 mMoveCallbacks.notifyStatusChanged(moveId, 19494 PackageManager.MOVE_SUCCEEDED); 19495 break; 19496 case PackageInstaller.STATUS_FAILURE_STORAGE: 19497 mMoveCallbacks.notifyStatusChanged(moveId, 19498 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19499 break; 19500 default: 19501 mMoveCallbacks.notifyStatusChanged(moveId, 19502 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19503 break; 19504 } 19505 } 19506 }; 19507 19508 final MoveInfo move; 19509 if (moveCompleteApp) { 19510 // Kick off a thread to report progress estimates 19511 new Thread() { 19512 @Override 19513 public void run() { 19514 while (true) { 19515 try { 19516 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19517 break; 19518 } 19519 } catch (InterruptedException ignored) { 19520 } 19521 19522 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19523 final int progress = 10 + (int) MathUtils.constrain( 19524 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19525 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19526 } 19527 } 19528 }.start(); 19529 19530 final String dataAppName = codeFile.getName(); 19531 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19532 dataAppName, appId, seinfo, targetSdkVersion); 19533 } else { 19534 move = null; 19535 } 19536 19537 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19538 19539 final Message msg = mHandler.obtainMessage(INIT_COPY); 19540 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19541 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19542 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19543 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19544 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19545 msg.obj = params; 19546 19547 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19548 System.identityHashCode(msg.obj)); 19549 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19550 System.identityHashCode(msg.obj)); 19551 19552 mHandler.sendMessage(msg); 19553 } 19554 19555 @Override 19556 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19557 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19558 19559 final int realMoveId = mNextMoveId.getAndIncrement(); 19560 final Bundle extras = new Bundle(); 19561 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19562 mMoveCallbacks.notifyCreated(realMoveId, extras); 19563 19564 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19565 @Override 19566 public void onCreated(int moveId, Bundle extras) { 19567 // Ignored 19568 } 19569 19570 @Override 19571 public void onStatusChanged(int moveId, int status, long estMillis) { 19572 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19573 } 19574 }; 19575 19576 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19577 storage.setPrimaryStorageUuid(volumeUuid, callback); 19578 return realMoveId; 19579 } 19580 19581 @Override 19582 public int getMoveStatus(int moveId) { 19583 mContext.enforceCallingOrSelfPermission( 19584 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19585 return mMoveCallbacks.mLastStatus.get(moveId); 19586 } 19587 19588 @Override 19589 public void registerMoveCallback(IPackageMoveObserver callback) { 19590 mContext.enforceCallingOrSelfPermission( 19591 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19592 mMoveCallbacks.register(callback); 19593 } 19594 19595 @Override 19596 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19597 mContext.enforceCallingOrSelfPermission( 19598 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19599 mMoveCallbacks.unregister(callback); 19600 } 19601 19602 @Override 19603 public boolean setInstallLocation(int loc) { 19604 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19605 null); 19606 if (getInstallLocation() == loc) { 19607 return true; 19608 } 19609 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19610 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19611 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19612 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19613 return true; 19614 } 19615 return false; 19616 } 19617 19618 @Override 19619 public int getInstallLocation() { 19620 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19621 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19622 PackageHelper.APP_INSTALL_AUTO); 19623 } 19624 19625 /** Called by UserManagerService */ 19626 void cleanUpUser(UserManagerService userManager, int userHandle) { 19627 synchronized (mPackages) { 19628 mDirtyUsers.remove(userHandle); 19629 mUserNeedsBadging.delete(userHandle); 19630 mSettings.removeUserLPw(userHandle); 19631 mPendingBroadcasts.remove(userHandle); 19632 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19633 removeUnusedPackagesLPw(userManager, userHandle); 19634 } 19635 } 19636 19637 /** 19638 * We're removing userHandle and would like to remove any downloaded packages 19639 * that are no longer in use by any other user. 19640 * @param userHandle the user being removed 19641 */ 19642 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19643 final boolean DEBUG_CLEAN_APKS = false; 19644 int [] users = userManager.getUserIds(); 19645 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19646 while (psit.hasNext()) { 19647 PackageSetting ps = psit.next(); 19648 if (ps.pkg == null) { 19649 continue; 19650 } 19651 final String packageName = ps.pkg.packageName; 19652 // Skip over if system app 19653 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19654 continue; 19655 } 19656 if (DEBUG_CLEAN_APKS) { 19657 Slog.i(TAG, "Checking package " + packageName); 19658 } 19659 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19660 if (keep) { 19661 if (DEBUG_CLEAN_APKS) { 19662 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19663 } 19664 } else { 19665 for (int i = 0; i < users.length; i++) { 19666 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19667 keep = true; 19668 if (DEBUG_CLEAN_APKS) { 19669 Slog.i(TAG, " Keeping package " + packageName + " for user " 19670 + users[i]); 19671 } 19672 break; 19673 } 19674 } 19675 } 19676 if (!keep) { 19677 if (DEBUG_CLEAN_APKS) { 19678 Slog.i(TAG, " Removing package " + packageName); 19679 } 19680 mHandler.post(new Runnable() { 19681 public void run() { 19682 deletePackageX(packageName, userHandle, 0); 19683 } //end run 19684 }); 19685 } 19686 } 19687 } 19688 19689 /** Called by UserManagerService */ 19690 void createNewUser(int userHandle) { 19691 synchronized (mInstallLock) { 19692 mSettings.createNewUserLI(this, mInstaller, userHandle); 19693 } 19694 synchronized (mPackages) { 19695 applyFactoryDefaultBrowserLPw(userHandle); 19696 primeDomainVerificationsLPw(userHandle); 19697 } 19698 } 19699 19700 void newUserCreated(final int userHandle) { 19701 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19702 // If permission review for legacy apps is required, we represent 19703 // dagerous permissions for such apps as always granted runtime 19704 // permissions to keep per user flag state whether review is needed. 19705 // Hence, if a new user is added we have to propagate dangerous 19706 // permission grants for these legacy apps. 19707 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19708 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19709 | UPDATE_PERMISSIONS_REPLACE_ALL); 19710 } 19711 } 19712 19713 @Override 19714 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19715 mContext.enforceCallingOrSelfPermission( 19716 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19717 "Only package verification agents can read the verifier device identity"); 19718 19719 synchronized (mPackages) { 19720 return mSettings.getVerifierDeviceIdentityLPw(); 19721 } 19722 } 19723 19724 @Override 19725 public void setPermissionEnforced(String permission, boolean enforced) { 19726 // TODO: Now that we no longer change GID for storage, this should to away. 19727 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19728 "setPermissionEnforced"); 19729 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19730 synchronized (mPackages) { 19731 if (mSettings.mReadExternalStorageEnforced == null 19732 || mSettings.mReadExternalStorageEnforced != enforced) { 19733 mSettings.mReadExternalStorageEnforced = enforced; 19734 mSettings.writeLPr(); 19735 } 19736 } 19737 // kill any non-foreground processes so we restart them and 19738 // grant/revoke the GID. 19739 final IActivityManager am = ActivityManagerNative.getDefault(); 19740 if (am != null) { 19741 final long token = Binder.clearCallingIdentity(); 19742 try { 19743 am.killProcessesBelowForeground("setPermissionEnforcement"); 19744 } catch (RemoteException e) { 19745 } finally { 19746 Binder.restoreCallingIdentity(token); 19747 } 19748 } 19749 } else { 19750 throw new IllegalArgumentException("No selective enforcement for " + permission); 19751 } 19752 } 19753 19754 @Override 19755 @Deprecated 19756 public boolean isPermissionEnforced(String permission) { 19757 return true; 19758 } 19759 19760 @Override 19761 public boolean isStorageLow() { 19762 final long token = Binder.clearCallingIdentity(); 19763 try { 19764 final DeviceStorageMonitorInternal 19765 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19766 if (dsm != null) { 19767 return dsm.isMemoryLow(); 19768 } else { 19769 return false; 19770 } 19771 } finally { 19772 Binder.restoreCallingIdentity(token); 19773 } 19774 } 19775 19776 @Override 19777 public IPackageInstaller getPackageInstaller() { 19778 return mInstallerService; 19779 } 19780 19781 private boolean userNeedsBadging(int userId) { 19782 int index = mUserNeedsBadging.indexOfKey(userId); 19783 if (index < 0) { 19784 final UserInfo userInfo; 19785 final long token = Binder.clearCallingIdentity(); 19786 try { 19787 userInfo = sUserManager.getUserInfo(userId); 19788 } finally { 19789 Binder.restoreCallingIdentity(token); 19790 } 19791 final boolean b; 19792 if (userInfo != null && userInfo.isManagedProfile()) { 19793 b = true; 19794 } else { 19795 b = false; 19796 } 19797 mUserNeedsBadging.put(userId, b); 19798 return b; 19799 } 19800 return mUserNeedsBadging.valueAt(index); 19801 } 19802 19803 @Override 19804 public KeySet getKeySetByAlias(String packageName, String alias) { 19805 if (packageName == null || alias == null) { 19806 return null; 19807 } 19808 synchronized(mPackages) { 19809 final PackageParser.Package pkg = mPackages.get(packageName); 19810 if (pkg == null) { 19811 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19812 throw new IllegalArgumentException("Unknown package: " + packageName); 19813 } 19814 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19815 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19816 } 19817 } 19818 19819 @Override 19820 public KeySet getSigningKeySet(String packageName) { 19821 if (packageName == null) { 19822 return null; 19823 } 19824 synchronized(mPackages) { 19825 final PackageParser.Package pkg = mPackages.get(packageName); 19826 if (pkg == null) { 19827 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19828 throw new IllegalArgumentException("Unknown package: " + packageName); 19829 } 19830 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19831 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19832 throw new SecurityException("May not access signing KeySet of other apps."); 19833 } 19834 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19835 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19836 } 19837 } 19838 19839 @Override 19840 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19841 if (packageName == null || ks == null) { 19842 return false; 19843 } 19844 synchronized(mPackages) { 19845 final PackageParser.Package pkg = mPackages.get(packageName); 19846 if (pkg == null) { 19847 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19848 throw new IllegalArgumentException("Unknown package: " + packageName); 19849 } 19850 IBinder ksh = ks.getToken(); 19851 if (ksh instanceof KeySetHandle) { 19852 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19853 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19854 } 19855 return false; 19856 } 19857 } 19858 19859 @Override 19860 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19861 if (packageName == null || ks == null) { 19862 return false; 19863 } 19864 synchronized(mPackages) { 19865 final PackageParser.Package pkg = mPackages.get(packageName); 19866 if (pkg == null) { 19867 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19868 throw new IllegalArgumentException("Unknown package: " + packageName); 19869 } 19870 IBinder ksh = ks.getToken(); 19871 if (ksh instanceof KeySetHandle) { 19872 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19873 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19874 } 19875 return false; 19876 } 19877 } 19878 19879 private void deletePackageIfUnusedLPr(final String packageName) { 19880 PackageSetting ps = mSettings.mPackages.get(packageName); 19881 if (ps == null) { 19882 return; 19883 } 19884 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19885 // TODO Implement atomic delete if package is unused 19886 // It is currently possible that the package will be deleted even if it is installed 19887 // after this method returns. 19888 mHandler.post(new Runnable() { 19889 public void run() { 19890 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19891 } 19892 }); 19893 } 19894 } 19895 19896 /** 19897 * Check and throw if the given before/after packages would be considered a 19898 * downgrade. 19899 */ 19900 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19901 throws PackageManagerException { 19902 if (after.versionCode < before.mVersionCode) { 19903 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19904 "Update version code " + after.versionCode + " is older than current " 19905 + before.mVersionCode); 19906 } else if (after.versionCode == before.mVersionCode) { 19907 if (after.baseRevisionCode < before.baseRevisionCode) { 19908 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19909 "Update base revision code " + after.baseRevisionCode 19910 + " is older than current " + before.baseRevisionCode); 19911 } 19912 19913 if (!ArrayUtils.isEmpty(after.splitNames)) { 19914 for (int i = 0; i < after.splitNames.length; i++) { 19915 final String splitName = after.splitNames[i]; 19916 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19917 if (j != -1) { 19918 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19919 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19920 "Update split " + splitName + " revision code " 19921 + after.splitRevisionCodes[i] + " is older than current " 19922 + before.splitRevisionCodes[j]); 19923 } 19924 } 19925 } 19926 } 19927 } 19928 } 19929 19930 private static class MoveCallbacks extends Handler { 19931 private static final int MSG_CREATED = 1; 19932 private static final int MSG_STATUS_CHANGED = 2; 19933 19934 private final RemoteCallbackList<IPackageMoveObserver> 19935 mCallbacks = new RemoteCallbackList<>(); 19936 19937 private final SparseIntArray mLastStatus = new SparseIntArray(); 19938 19939 public MoveCallbacks(Looper looper) { 19940 super(looper); 19941 } 19942 19943 public void register(IPackageMoveObserver callback) { 19944 mCallbacks.register(callback); 19945 } 19946 19947 public void unregister(IPackageMoveObserver callback) { 19948 mCallbacks.unregister(callback); 19949 } 19950 19951 @Override 19952 public void handleMessage(Message msg) { 19953 final SomeArgs args = (SomeArgs) msg.obj; 19954 final int n = mCallbacks.beginBroadcast(); 19955 for (int i = 0; i < n; i++) { 19956 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19957 try { 19958 invokeCallback(callback, msg.what, args); 19959 } catch (RemoteException ignored) { 19960 } 19961 } 19962 mCallbacks.finishBroadcast(); 19963 args.recycle(); 19964 } 19965 19966 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19967 throws RemoteException { 19968 switch (what) { 19969 case MSG_CREATED: { 19970 callback.onCreated(args.argi1, (Bundle) args.arg2); 19971 break; 19972 } 19973 case MSG_STATUS_CHANGED: { 19974 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19975 break; 19976 } 19977 } 19978 } 19979 19980 private void notifyCreated(int moveId, Bundle extras) { 19981 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19982 19983 final SomeArgs args = SomeArgs.obtain(); 19984 args.argi1 = moveId; 19985 args.arg2 = extras; 19986 obtainMessage(MSG_CREATED, args).sendToTarget(); 19987 } 19988 19989 private void notifyStatusChanged(int moveId, int status) { 19990 notifyStatusChanged(moveId, status, -1); 19991 } 19992 19993 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19994 Slog.v(TAG, "Move " + moveId + " status " + status); 19995 19996 final SomeArgs args = SomeArgs.obtain(); 19997 args.argi1 = moveId; 19998 args.argi2 = status; 19999 args.arg3 = estMillis; 20000 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20001 20002 synchronized (mLastStatus) { 20003 mLastStatus.put(moveId, status); 20004 } 20005 } 20006 } 20007 20008 private final static class OnPermissionChangeListeners extends Handler { 20009 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20010 20011 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20012 new RemoteCallbackList<>(); 20013 20014 public OnPermissionChangeListeners(Looper looper) { 20015 super(looper); 20016 } 20017 20018 @Override 20019 public void handleMessage(Message msg) { 20020 switch (msg.what) { 20021 case MSG_ON_PERMISSIONS_CHANGED: { 20022 final int uid = msg.arg1; 20023 handleOnPermissionsChanged(uid); 20024 } break; 20025 } 20026 } 20027 20028 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20029 mPermissionListeners.register(listener); 20030 20031 } 20032 20033 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20034 mPermissionListeners.unregister(listener); 20035 } 20036 20037 public void onPermissionsChanged(int uid) { 20038 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20039 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20040 } 20041 } 20042 20043 private void handleOnPermissionsChanged(int uid) { 20044 final int count = mPermissionListeners.beginBroadcast(); 20045 try { 20046 for (int i = 0; i < count; i++) { 20047 IOnPermissionsChangeListener callback = mPermissionListeners 20048 .getBroadcastItem(i); 20049 try { 20050 callback.onPermissionsChanged(uid); 20051 } catch (RemoteException e) { 20052 Log.e(TAG, "Permission listener is dead", e); 20053 } 20054 } 20055 } finally { 20056 mPermissionListeners.finishBroadcast(); 20057 } 20058 } 20059 } 20060 20061 private class PackageManagerInternalImpl extends PackageManagerInternal { 20062 @Override 20063 public void setLocationPackagesProvider(PackagesProvider provider) { 20064 synchronized (mPackages) { 20065 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20066 } 20067 } 20068 20069 @Override 20070 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20071 synchronized (mPackages) { 20072 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20073 } 20074 } 20075 20076 @Override 20077 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20078 synchronized (mPackages) { 20079 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20080 } 20081 } 20082 20083 @Override 20084 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20085 synchronized (mPackages) { 20086 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20087 } 20088 } 20089 20090 @Override 20091 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20092 synchronized (mPackages) { 20093 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20094 } 20095 } 20096 20097 @Override 20098 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20099 synchronized (mPackages) { 20100 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20101 } 20102 } 20103 20104 @Override 20105 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20106 synchronized (mPackages) { 20107 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20108 packageName, userId); 20109 } 20110 } 20111 20112 @Override 20113 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20114 synchronized (mPackages) { 20115 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20116 packageName, userId); 20117 } 20118 } 20119 20120 @Override 20121 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20122 synchronized (mPackages) { 20123 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20124 packageName, userId); 20125 } 20126 } 20127 20128 @Override 20129 public void setKeepUninstalledPackages(final List<String> packageList) { 20130 Preconditions.checkNotNull(packageList); 20131 List<String> removedFromList = null; 20132 synchronized (mPackages) { 20133 if (mKeepUninstalledPackages != null) { 20134 final int packagesCount = mKeepUninstalledPackages.size(); 20135 for (int i = 0; i < packagesCount; i++) { 20136 String oldPackage = mKeepUninstalledPackages.get(i); 20137 if (packageList != null && packageList.contains(oldPackage)) { 20138 continue; 20139 } 20140 if (removedFromList == null) { 20141 removedFromList = new ArrayList<>(); 20142 } 20143 removedFromList.add(oldPackage); 20144 } 20145 } 20146 mKeepUninstalledPackages = new ArrayList<>(packageList); 20147 if (removedFromList != null) { 20148 final int removedCount = removedFromList.size(); 20149 for (int i = 0; i < removedCount; i++) { 20150 deletePackageIfUnusedLPr(removedFromList.get(i)); 20151 } 20152 } 20153 } 20154 } 20155 20156 @Override 20157 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20158 synchronized (mPackages) { 20159 // If we do not support permission review, done. 20160 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20161 return false; 20162 } 20163 20164 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20165 if (packageSetting == null) { 20166 return false; 20167 } 20168 20169 // Permission review applies only to apps not supporting the new permission model. 20170 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20171 return false; 20172 } 20173 20174 // Legacy apps have the permission and get user consent on launch. 20175 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20176 return permissionsState.isPermissionReviewRequired(userId); 20177 } 20178 } 20179 20180 @Override 20181 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20182 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20183 } 20184 20185 @Override 20186 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20187 int userId) { 20188 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20189 } 20190 } 20191 20192 @Override 20193 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20194 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20195 synchronized (mPackages) { 20196 final long identity = Binder.clearCallingIdentity(); 20197 try { 20198 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20199 packageNames, userId); 20200 } finally { 20201 Binder.restoreCallingIdentity(identity); 20202 } 20203 } 20204 } 20205 20206 private static void enforceSystemOrPhoneCaller(String tag) { 20207 int callingUid = Binder.getCallingUid(); 20208 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20209 throw new SecurityException( 20210 "Cannot call " + tag + " from UID " + callingUid); 20211 } 20212 } 20213 20214 boolean isHistoricalPackageUsageAvailable() { 20215 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20216 } 20217 20218 /** 20219 * Return a <b>copy</b> of the collection of packages known to the package manager. 20220 * @return A copy of the values of mPackages. 20221 */ 20222 Collection<PackageParser.Package> getPackages() { 20223 synchronized (mPackages) { 20224 return new ArrayList<>(mPackages.values()); 20225 } 20226 } 20227 20228 /** 20229 * Logs process start information (including base APK hash) to the security log. 20230 * @hide 20231 */ 20232 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20233 String apkFile, int pid) { 20234 if (!SecurityLog.isLoggingEnabled()) { 20235 return; 20236 } 20237 Bundle data = new Bundle(); 20238 data.putLong("startTimestamp", System.currentTimeMillis()); 20239 data.putString("processName", processName); 20240 data.putInt("uid", uid); 20241 data.putString("seinfo", seinfo); 20242 data.putString("apkFile", apkFile); 20243 data.putInt("pid", pid); 20244 Message msg = mProcessLoggingHandler.obtainMessage( 20245 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20246 msg.setData(data); 20247 mProcessLoggingHandler.sendMessage(msg); 20248 } 20249} 20250