PackageManagerService.java revision 14e7acd58c8b4f9f2fd517cded5c4e3099fd5989
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 final @NonNull String mSharedSystemSharedLibraryPackageName; 1108 1109 private final PackageUsage mPackageUsage = new PackageUsage(); 1110 1111 private class PackageUsage { 1112 private static final int WRITE_INTERVAL 1113 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1114 1115 private final Object mFileLock = new Object(); 1116 private final AtomicLong mLastWritten = new AtomicLong(0); 1117 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1118 1119 private boolean mIsHistoricalPackageUsageAvailable = true; 1120 1121 boolean isHistoricalPackageUsageAvailable() { 1122 return mIsHistoricalPackageUsageAvailable; 1123 } 1124 1125 void write(boolean force) { 1126 if (force) { 1127 writeInternal(); 1128 return; 1129 } 1130 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1131 && !DEBUG_DEXOPT) { 1132 return; 1133 } 1134 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1135 new Thread("PackageUsage_DiskWriter") { 1136 @Override 1137 public void run() { 1138 try { 1139 writeInternal(); 1140 } finally { 1141 mBackgroundWriteRunning.set(false); 1142 } 1143 } 1144 }.start(); 1145 } 1146 } 1147 1148 private void writeInternal() { 1149 synchronized (mPackages) { 1150 synchronized (mFileLock) { 1151 AtomicFile file = getFile(); 1152 FileOutputStream f = null; 1153 try { 1154 f = file.startWrite(); 1155 BufferedOutputStream out = new BufferedOutputStream(f); 1156 FileUtils.setPermissions(file.getBaseFile().getPath(), 1157 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1158 StringBuilder sb = new StringBuilder(); 1159 1160 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1161 sb.append('\n'); 1162 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1163 1164 for (PackageParser.Package pkg : mPackages.values()) { 1165 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1166 continue; 1167 } 1168 sb.setLength(0); 1169 sb.append(pkg.packageName); 1170 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1171 sb.append(' '); 1172 sb.append(usageTimeInMillis); 1173 } 1174 sb.append('\n'); 1175 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1176 } 1177 out.flush(); 1178 file.finishWrite(f); 1179 } catch (IOException e) { 1180 if (f != null) { 1181 file.failWrite(f); 1182 } 1183 Log.e(TAG, "Failed to write package usage times", e); 1184 } 1185 } 1186 } 1187 mLastWritten.set(SystemClock.elapsedRealtime()); 1188 } 1189 1190 void readLP() { 1191 synchronized (mFileLock) { 1192 AtomicFile file = getFile(); 1193 BufferedInputStream in = null; 1194 try { 1195 in = new BufferedInputStream(file.openRead()); 1196 StringBuffer sb = new StringBuffer(); 1197 1198 String firstLine = readLine(in, sb); 1199 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1200 readVersion1LP(in, sb); 1201 } else { 1202 readVersion0LP(in, sb, firstLine); 1203 } 1204 } catch (FileNotFoundException expected) { 1205 mIsHistoricalPackageUsageAvailable = false; 1206 } catch (IOException e) { 1207 Log.w(TAG, "Failed to read package usage times", e); 1208 } finally { 1209 IoUtils.closeQuietly(in); 1210 } 1211 } 1212 mLastWritten.set(SystemClock.elapsedRealtime()); 1213 } 1214 1215 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1216 throws IOException { 1217 // Initial version of the file had no version number and stored one 1218 // package-timestamp pair per line. 1219 // Note that the first line has already been read from the InputStream. 1220 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1221 String[] tokens = line.split(" "); 1222 if (tokens.length != 2) { 1223 throw new IOException("Failed to parse " + line + 1224 " as package-timestamp pair."); 1225 } 1226 1227 String packageName = tokens[0]; 1228 PackageParser.Package pkg = mPackages.get(packageName); 1229 if (pkg == null) { 1230 continue; 1231 } 1232 1233 long timestamp = parseAsLong(tokens[1]); 1234 for (int reason = 0; 1235 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1236 reason++) { 1237 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1238 } 1239 } 1240 } 1241 1242 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1243 // Version 1 of the file started with the corresponding version 1244 // number and then stored a package name and eight timestamps per line. 1245 String line; 1246 while ((line = readLine(in, sb)) != null) { 1247 String[] tokens = line.split(" "); 1248 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1249 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1250 } 1251 1252 String packageName = tokens[0]; 1253 PackageParser.Package pkg = mPackages.get(packageName); 1254 if (pkg == null) { 1255 continue; 1256 } 1257 1258 for (int reason = 0; 1259 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1260 reason++) { 1261 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1262 } 1263 } 1264 } 1265 1266 private long parseAsLong(String token) throws IOException { 1267 try { 1268 return Long.parseLong(token); 1269 } catch (NumberFormatException e) { 1270 throw new IOException("Failed to parse " + token + " as a long.", e); 1271 } 1272 } 1273 1274 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1275 return readToken(in, sb, '\n'); 1276 } 1277 1278 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1279 throws IOException { 1280 sb.setLength(0); 1281 while (true) { 1282 int ch = in.read(); 1283 if (ch == -1) { 1284 if (sb.length() == 0) { 1285 return null; 1286 } 1287 throw new IOException("Unexpected EOF"); 1288 } 1289 if (ch == endOfToken) { 1290 return sb.toString(); 1291 } 1292 sb.append((char)ch); 1293 } 1294 } 1295 1296 private AtomicFile getFile() { 1297 File dataDir = Environment.getDataDirectory(); 1298 File systemDir = new File(dataDir, "system"); 1299 File fname = new File(systemDir, "package-usage.list"); 1300 return new AtomicFile(fname); 1301 } 1302 1303 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1304 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1305 } 1306 1307 class PackageHandler extends Handler { 1308 private boolean mBound = false; 1309 final ArrayList<HandlerParams> mPendingInstalls = 1310 new ArrayList<HandlerParams>(); 1311 1312 private boolean connectToService() { 1313 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1314 " DefaultContainerService"); 1315 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1316 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1317 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1318 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1319 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1320 mBound = true; 1321 return true; 1322 } 1323 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1324 return false; 1325 } 1326 1327 private void disconnectService() { 1328 mContainerService = null; 1329 mBound = false; 1330 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1331 mContext.unbindService(mDefContainerConn); 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1333 } 1334 1335 PackageHandler(Looper looper) { 1336 super(looper); 1337 } 1338 1339 public void handleMessage(Message msg) { 1340 try { 1341 doHandleMessage(msg); 1342 } finally { 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1344 } 1345 } 1346 1347 void doHandleMessage(Message msg) { 1348 switch (msg.what) { 1349 case INIT_COPY: { 1350 HandlerParams params = (HandlerParams) msg.obj; 1351 int idx = mPendingInstalls.size(); 1352 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1353 // If a bind was already initiated we dont really 1354 // need to do anything. The pending install 1355 // will be processed later on. 1356 if (!mBound) { 1357 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1358 System.identityHashCode(mHandler)); 1359 // If this is the only one pending we might 1360 // have to bind to the service again. 1361 if (!connectToService()) { 1362 Slog.e(TAG, "Failed to bind to media container service"); 1363 params.serviceError(); 1364 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1365 System.identityHashCode(mHandler)); 1366 if (params.traceMethod != null) { 1367 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1368 params.traceCookie); 1369 } 1370 return; 1371 } else { 1372 // Once we bind to the service, the first 1373 // pending request will be processed. 1374 mPendingInstalls.add(idx, params); 1375 } 1376 } else { 1377 mPendingInstalls.add(idx, params); 1378 // Already bound to the service. Just make 1379 // sure we trigger off processing the first request. 1380 if (idx == 0) { 1381 mHandler.sendEmptyMessage(MCS_BOUND); 1382 } 1383 } 1384 break; 1385 } 1386 case MCS_BOUND: { 1387 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1388 if (msg.obj != null) { 1389 mContainerService = (IMediaContainerService) msg.obj; 1390 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1391 System.identityHashCode(mHandler)); 1392 } 1393 if (mContainerService == null) { 1394 if (!mBound) { 1395 // Something seriously wrong since we are not bound and we are not 1396 // waiting for connection. Bail out. 1397 Slog.e(TAG, "Cannot bind to media container service"); 1398 for (HandlerParams params : mPendingInstalls) { 1399 // Indicate service bind error 1400 params.serviceError(); 1401 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1402 System.identityHashCode(params)); 1403 if (params.traceMethod != null) { 1404 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1405 params.traceMethod, params.traceCookie); 1406 } 1407 return; 1408 } 1409 mPendingInstalls.clear(); 1410 } else { 1411 Slog.w(TAG, "Waiting to connect to media container service"); 1412 } 1413 } else if (mPendingInstalls.size() > 0) { 1414 HandlerParams params = mPendingInstalls.get(0); 1415 if (params != null) { 1416 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1417 System.identityHashCode(params)); 1418 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1419 if (params.startCopy()) { 1420 // We are done... look for more work or to 1421 // go idle. 1422 if (DEBUG_SD_INSTALL) Log.i(TAG, 1423 "Checking for more work or unbind..."); 1424 // Delete pending install 1425 if (mPendingInstalls.size() > 0) { 1426 mPendingInstalls.remove(0); 1427 } 1428 if (mPendingInstalls.size() == 0) { 1429 if (mBound) { 1430 if (DEBUG_SD_INSTALL) Log.i(TAG, 1431 "Posting delayed MCS_UNBIND"); 1432 removeMessages(MCS_UNBIND); 1433 Message ubmsg = obtainMessage(MCS_UNBIND); 1434 // Unbind after a little delay, to avoid 1435 // continual thrashing. 1436 sendMessageDelayed(ubmsg, 10000); 1437 } 1438 } else { 1439 // There are more pending requests in queue. 1440 // Just post MCS_BOUND message to trigger processing 1441 // of next pending install. 1442 if (DEBUG_SD_INSTALL) Log.i(TAG, 1443 "Posting MCS_BOUND for next work"); 1444 mHandler.sendEmptyMessage(MCS_BOUND); 1445 } 1446 } 1447 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1448 } 1449 } else { 1450 // Should never happen ideally. 1451 Slog.w(TAG, "Empty queue"); 1452 } 1453 break; 1454 } 1455 case MCS_RECONNECT: { 1456 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1457 if (mPendingInstalls.size() > 0) { 1458 if (mBound) { 1459 disconnectService(); 1460 } 1461 if (!connectToService()) { 1462 Slog.e(TAG, "Failed to bind to media container service"); 1463 for (HandlerParams params : mPendingInstalls) { 1464 // Indicate service bind error 1465 params.serviceError(); 1466 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1467 System.identityHashCode(params)); 1468 } 1469 mPendingInstalls.clear(); 1470 } 1471 } 1472 break; 1473 } 1474 case MCS_UNBIND: { 1475 // If there is no actual work left, then time to unbind. 1476 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1477 1478 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1479 if (mBound) { 1480 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1481 1482 disconnectService(); 1483 } 1484 } else if (mPendingInstalls.size() > 0) { 1485 // There are more pending requests in queue. 1486 // Just post MCS_BOUND message to trigger processing 1487 // of next pending install. 1488 mHandler.sendEmptyMessage(MCS_BOUND); 1489 } 1490 1491 break; 1492 } 1493 case MCS_GIVE_UP: { 1494 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1495 HandlerParams params = mPendingInstalls.remove(0); 1496 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1497 System.identityHashCode(params)); 1498 break; 1499 } 1500 case SEND_PENDING_BROADCAST: { 1501 String packages[]; 1502 ArrayList<String> components[]; 1503 int size = 0; 1504 int uids[]; 1505 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1506 synchronized (mPackages) { 1507 if (mPendingBroadcasts == null) { 1508 return; 1509 } 1510 size = mPendingBroadcasts.size(); 1511 if (size <= 0) { 1512 // Nothing to be done. Just return 1513 return; 1514 } 1515 packages = new String[size]; 1516 components = new ArrayList[size]; 1517 uids = new int[size]; 1518 int i = 0; // filling out the above arrays 1519 1520 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1521 int packageUserId = mPendingBroadcasts.userIdAt(n); 1522 Iterator<Map.Entry<String, ArrayList<String>>> it 1523 = mPendingBroadcasts.packagesForUserId(packageUserId) 1524 .entrySet().iterator(); 1525 while (it.hasNext() && i < size) { 1526 Map.Entry<String, ArrayList<String>> ent = it.next(); 1527 packages[i] = ent.getKey(); 1528 components[i] = ent.getValue(); 1529 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1530 uids[i] = (ps != null) 1531 ? UserHandle.getUid(packageUserId, ps.appId) 1532 : -1; 1533 i++; 1534 } 1535 } 1536 size = i; 1537 mPendingBroadcasts.clear(); 1538 } 1539 // Send broadcasts 1540 for (int i = 0; i < size; i++) { 1541 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1542 } 1543 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1544 break; 1545 } 1546 case START_CLEANING_PACKAGE: { 1547 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1548 final String packageName = (String)msg.obj; 1549 final int userId = msg.arg1; 1550 final boolean andCode = msg.arg2 != 0; 1551 synchronized (mPackages) { 1552 if (userId == UserHandle.USER_ALL) { 1553 int[] users = sUserManager.getUserIds(); 1554 for (int user : users) { 1555 mSettings.addPackageToCleanLPw( 1556 new PackageCleanItem(user, packageName, andCode)); 1557 } 1558 } else { 1559 mSettings.addPackageToCleanLPw( 1560 new PackageCleanItem(userId, packageName, andCode)); 1561 } 1562 } 1563 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1564 startCleaningPackages(); 1565 } break; 1566 case POST_INSTALL: { 1567 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1568 1569 PostInstallData data = mRunningInstalls.get(msg.arg1); 1570 mRunningInstalls.delete(msg.arg1); 1571 1572 if (data != null) { 1573 InstallArgs args = data.args; 1574 PackageInstalledInfo parentRes = data.res; 1575 1576 final boolean grantPermissions = (args.installFlags 1577 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1578 final boolean killApp = (args.installFlags 1579 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1580 final String[] grantedPermissions = args.installGrantPermissions; 1581 1582 // Handle the parent package 1583 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1584 grantedPermissions, args.observer); 1585 1586 // Handle the child packages 1587 final int childCount = (parentRes.addedChildPackages != null) 1588 ? parentRes.addedChildPackages.size() : 0; 1589 for (int i = 0; i < childCount; i++) { 1590 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1591 handlePackagePostInstall(childRes, grantPermissions, killApp, 1592 grantedPermissions, args.observer); 1593 } 1594 1595 // Log tracing if needed 1596 if (args.traceMethod != null) { 1597 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1598 args.traceCookie); 1599 } 1600 } else { 1601 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1602 } 1603 1604 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1605 } break; 1606 case UPDATED_MEDIA_STATUS: { 1607 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1608 boolean reportStatus = msg.arg1 == 1; 1609 boolean doGc = msg.arg2 == 1; 1610 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1611 if (doGc) { 1612 // Force a gc to clear up stale containers. 1613 Runtime.getRuntime().gc(); 1614 } 1615 if (msg.obj != null) { 1616 @SuppressWarnings("unchecked") 1617 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1618 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1619 // Unload containers 1620 unloadAllContainers(args); 1621 } 1622 if (reportStatus) { 1623 try { 1624 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1625 PackageHelper.getMountService().finishMediaUpdate(); 1626 } catch (RemoteException e) { 1627 Log.e(TAG, "MountService not running?"); 1628 } 1629 } 1630 } break; 1631 case WRITE_SETTINGS: { 1632 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1633 synchronized (mPackages) { 1634 removeMessages(WRITE_SETTINGS); 1635 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1636 mSettings.writeLPr(); 1637 mDirtyUsers.clear(); 1638 } 1639 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1640 } break; 1641 case WRITE_PACKAGE_RESTRICTIONS: { 1642 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1643 synchronized (mPackages) { 1644 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1645 for (int userId : mDirtyUsers) { 1646 mSettings.writePackageRestrictionsLPr(userId); 1647 } 1648 mDirtyUsers.clear(); 1649 } 1650 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1651 } break; 1652 case CHECK_PENDING_VERIFICATION: { 1653 final int verificationId = msg.arg1; 1654 final PackageVerificationState state = mPendingVerification.get(verificationId); 1655 1656 if ((state != null) && !state.timeoutExtended()) { 1657 final InstallArgs args = state.getInstallArgs(); 1658 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1659 1660 Slog.i(TAG, "Verification timed out for " + originUri); 1661 mPendingVerification.remove(verificationId); 1662 1663 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1664 1665 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1666 Slog.i(TAG, "Continuing with installation of " + originUri); 1667 state.setVerifierResponse(Binder.getCallingUid(), 1668 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1669 broadcastPackageVerified(verificationId, originUri, 1670 PackageManager.VERIFICATION_ALLOW, 1671 state.getInstallArgs().getUser()); 1672 try { 1673 ret = args.copyApk(mContainerService, true); 1674 } catch (RemoteException e) { 1675 Slog.e(TAG, "Could not contact the ContainerService"); 1676 } 1677 } else { 1678 broadcastPackageVerified(verificationId, originUri, 1679 PackageManager.VERIFICATION_REJECT, 1680 state.getInstallArgs().getUser()); 1681 } 1682 1683 Trace.asyncTraceEnd( 1684 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1685 1686 processPendingInstall(args, ret); 1687 mHandler.sendEmptyMessage(MCS_UNBIND); 1688 } 1689 break; 1690 } 1691 case PACKAGE_VERIFIED: { 1692 final int verificationId = msg.arg1; 1693 1694 final PackageVerificationState state = mPendingVerification.get(verificationId); 1695 if (state == null) { 1696 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1697 break; 1698 } 1699 1700 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1701 1702 state.setVerifierResponse(response.callerUid, response.code); 1703 1704 if (state.isVerificationComplete()) { 1705 mPendingVerification.remove(verificationId); 1706 1707 final InstallArgs args = state.getInstallArgs(); 1708 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1709 1710 int ret; 1711 if (state.isInstallAllowed()) { 1712 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1713 broadcastPackageVerified(verificationId, originUri, 1714 response.code, state.getInstallArgs().getUser()); 1715 try { 1716 ret = args.copyApk(mContainerService, true); 1717 } catch (RemoteException e) { 1718 Slog.e(TAG, "Could not contact the ContainerService"); 1719 } 1720 } else { 1721 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1722 } 1723 1724 Trace.asyncTraceEnd( 1725 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1726 1727 processPendingInstall(args, ret); 1728 mHandler.sendEmptyMessage(MCS_UNBIND); 1729 } 1730 1731 break; 1732 } 1733 case START_INTENT_FILTER_VERIFICATIONS: { 1734 IFVerificationParams params = (IFVerificationParams) msg.obj; 1735 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1736 params.replacing, params.pkg); 1737 break; 1738 } 1739 case INTENT_FILTER_VERIFIED: { 1740 final int verificationId = msg.arg1; 1741 1742 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1743 verificationId); 1744 if (state == null) { 1745 Slog.w(TAG, "Invalid IntentFilter verification token " 1746 + verificationId + " received"); 1747 break; 1748 } 1749 1750 final int userId = state.getUserId(); 1751 1752 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1753 "Processing IntentFilter verification with token:" 1754 + verificationId + " and userId:" + userId); 1755 1756 final IntentFilterVerificationResponse response = 1757 (IntentFilterVerificationResponse) msg.obj; 1758 1759 state.setVerifierResponse(response.callerUid, response.code); 1760 1761 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1762 "IntentFilter verification with token:" + verificationId 1763 + " and userId:" + userId 1764 + " is settings verifier response with response code:" 1765 + response.code); 1766 1767 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1768 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1769 + response.getFailedDomainsString()); 1770 } 1771 1772 if (state.isVerificationComplete()) { 1773 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1774 } else { 1775 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1776 "IntentFilter verification with token:" + verificationId 1777 + " was not said to be complete"); 1778 } 1779 1780 break; 1781 } 1782 } 1783 } 1784 } 1785 1786 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1787 boolean killApp, String[] grantedPermissions, 1788 IPackageInstallObserver2 installObserver) { 1789 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1790 // Send the removed broadcasts 1791 if (res.removedInfo != null) { 1792 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1793 } 1794 1795 // Now that we successfully installed the package, grant runtime 1796 // permissions if requested before broadcasting the install. 1797 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1798 >= Build.VERSION_CODES.M) { 1799 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1800 } 1801 1802 final boolean update = res.removedInfo != null 1803 && res.removedInfo.removedPackage != null; 1804 1805 // If this is the first time we have child packages for a disabled privileged 1806 // app that had no children, we grant requested runtime permissions to the new 1807 // children if the parent on the system image had them already granted. 1808 if (res.pkg.parentPackage != null) { 1809 synchronized (mPackages) { 1810 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1811 } 1812 } 1813 1814 synchronized (mPackages) { 1815 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1816 } 1817 1818 final String packageName = res.pkg.applicationInfo.packageName; 1819 Bundle extras = new Bundle(1); 1820 extras.putInt(Intent.EXTRA_UID, res.uid); 1821 1822 // Determine the set of users who are adding this package for 1823 // the first time vs. those who are seeing an update. 1824 int[] firstUsers = EMPTY_INT_ARRAY; 1825 int[] updateUsers = EMPTY_INT_ARRAY; 1826 if (res.origUsers == null || res.origUsers.length == 0) { 1827 firstUsers = res.newUsers; 1828 } else { 1829 for (int newUser : res.newUsers) { 1830 boolean isNew = true; 1831 for (int origUser : res.origUsers) { 1832 if (origUser == newUser) { 1833 isNew = false; 1834 break; 1835 } 1836 } 1837 if (isNew) { 1838 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1839 } else { 1840 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1841 } 1842 } 1843 } 1844 1845 // Send installed broadcasts if the install/update is not ephemeral 1846 if (!isEphemeral(res.pkg)) { 1847 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1848 1849 // Send added for users that see the package for the first time 1850 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1851 extras, 0 /*flags*/, null /*targetPackage*/, 1852 null /*finishedReceiver*/, firstUsers); 1853 1854 // Send added for users that don't see the package for the first time 1855 if (update) { 1856 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1857 } 1858 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1859 extras, 0 /*flags*/, null /*targetPackage*/, 1860 null /*finishedReceiver*/, updateUsers); 1861 1862 // Send replaced for users that don't see the package for the first time 1863 if (update) { 1864 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1865 packageName, extras, 0 /*flags*/, 1866 null /*targetPackage*/, null /*finishedReceiver*/, 1867 updateUsers); 1868 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1869 null /*package*/, null /*extras*/, 0 /*flags*/, 1870 packageName /*targetPackage*/, 1871 null /*finishedReceiver*/, updateUsers); 1872 } 1873 1874 // Send broadcast package appeared if forward locked/external for all users 1875 // treat asec-hosted packages like removable media on upgrade 1876 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1877 if (DEBUG_INSTALL) { 1878 Slog.i(TAG, "upgrading pkg " + res.pkg 1879 + " is ASEC-hosted -> AVAILABLE"); 1880 } 1881 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1882 ArrayList<String> pkgList = new ArrayList<>(1); 1883 pkgList.add(packageName); 1884 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1885 } 1886 } 1887 1888 // Work that needs to happen on first install within each user 1889 if (firstUsers != null && firstUsers.length > 0) { 1890 synchronized (mPackages) { 1891 for (int userId : firstUsers) { 1892 // If this app is a browser and it's newly-installed for some 1893 // users, clear any default-browser state in those users. The 1894 // app's nature doesn't depend on the user, so we can just check 1895 // its browser nature in any user and generalize. 1896 if (packageIsBrowser(packageName, userId)) { 1897 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1898 } 1899 1900 // We may also need to apply pending (restored) runtime 1901 // permission grants within these users. 1902 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1903 } 1904 } 1905 } 1906 1907 // Log current value of "unknown sources" setting 1908 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1909 getUnknownSourcesSettings()); 1910 1911 // Force a gc to clear up things 1912 Runtime.getRuntime().gc(); 1913 1914 // Remove the replaced package's older resources safely now 1915 // We delete after a gc for applications on sdcard. 1916 if (res.removedInfo != null && res.removedInfo.args != null) { 1917 synchronized (mInstallLock) { 1918 res.removedInfo.args.doPostDeleteLI(true); 1919 } 1920 } 1921 } 1922 1923 // If someone is watching installs - notify them 1924 if (installObserver != null) { 1925 try { 1926 Bundle extras = extrasForInstallResult(res); 1927 installObserver.onPackageInstalled(res.name, res.returnCode, 1928 res.returnMsg, extras); 1929 } catch (RemoteException e) { 1930 Slog.i(TAG, "Observer no longer exists."); 1931 } 1932 } 1933 } 1934 1935 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1936 PackageParser.Package pkg) { 1937 if (pkg.parentPackage == null) { 1938 return; 1939 } 1940 if (pkg.requestedPermissions == null) { 1941 return; 1942 } 1943 final PackageSetting disabledSysParentPs = mSettings 1944 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1945 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1946 || !disabledSysParentPs.isPrivileged() 1947 || (disabledSysParentPs.childPackageNames != null 1948 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1949 return; 1950 } 1951 final int[] allUserIds = sUserManager.getUserIds(); 1952 final int permCount = pkg.requestedPermissions.size(); 1953 for (int i = 0; i < permCount; i++) { 1954 String permission = pkg.requestedPermissions.get(i); 1955 BasePermission bp = mSettings.mPermissions.get(permission); 1956 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1957 continue; 1958 } 1959 for (int userId : allUserIds) { 1960 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1961 permission, userId)) { 1962 grantRuntimePermission(pkg.packageName, permission, userId); 1963 } 1964 } 1965 } 1966 } 1967 1968 private StorageEventListener mStorageListener = new StorageEventListener() { 1969 @Override 1970 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1971 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1972 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1973 final String volumeUuid = vol.getFsUuid(); 1974 1975 // Clean up any users or apps that were removed or recreated 1976 // while this volume was missing 1977 reconcileUsers(volumeUuid); 1978 reconcileApps(volumeUuid); 1979 1980 // Clean up any install sessions that expired or were 1981 // cancelled while this volume was missing 1982 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1983 1984 loadPrivatePackages(vol); 1985 1986 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1987 unloadPrivatePackages(vol); 1988 } 1989 } 1990 1991 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1992 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1993 updateExternalMediaStatus(true, false); 1994 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1995 updateExternalMediaStatus(false, false); 1996 } 1997 } 1998 } 1999 2000 @Override 2001 public void onVolumeForgotten(String fsUuid) { 2002 if (TextUtils.isEmpty(fsUuid)) { 2003 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2004 return; 2005 } 2006 2007 // Remove any apps installed on the forgotten volume 2008 synchronized (mPackages) { 2009 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2010 for (PackageSetting ps : packages) { 2011 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2012 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2013 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2014 } 2015 2016 mSettings.onVolumeForgotten(fsUuid); 2017 mSettings.writeLPr(); 2018 } 2019 } 2020 }; 2021 2022 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2023 String[] grantedPermissions) { 2024 for (int userId : userIds) { 2025 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2026 } 2027 2028 // We could have touched GID membership, so flush out packages.list 2029 synchronized (mPackages) { 2030 mSettings.writePackageListLPr(); 2031 } 2032 } 2033 2034 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2035 String[] grantedPermissions) { 2036 SettingBase sb = (SettingBase) pkg.mExtras; 2037 if (sb == null) { 2038 return; 2039 } 2040 2041 PermissionsState permissionsState = sb.getPermissionsState(); 2042 2043 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2044 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2045 2046 for (String permission : pkg.requestedPermissions) { 2047 final BasePermission bp; 2048 synchronized (mPackages) { 2049 bp = mSettings.mPermissions.get(permission); 2050 } 2051 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2052 && (grantedPermissions == null 2053 || ArrayUtils.contains(grantedPermissions, permission))) { 2054 final int flags = permissionsState.getPermissionFlags(permission, userId); 2055 // Installer cannot change immutable permissions. 2056 if ((flags & immutableFlags) == 0) { 2057 grantRuntimePermission(pkg.packageName, permission, userId); 2058 } 2059 } 2060 } 2061 } 2062 2063 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2064 Bundle extras = null; 2065 switch (res.returnCode) { 2066 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2067 extras = new Bundle(); 2068 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2069 res.origPermission); 2070 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2071 res.origPackage); 2072 break; 2073 } 2074 case PackageManager.INSTALL_SUCCEEDED: { 2075 extras = new Bundle(); 2076 extras.putBoolean(Intent.EXTRA_REPLACING, 2077 res.removedInfo != null && res.removedInfo.removedPackage != null); 2078 break; 2079 } 2080 } 2081 return extras; 2082 } 2083 2084 void scheduleWriteSettingsLocked() { 2085 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2086 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2087 } 2088 } 2089 2090 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2091 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2092 scheduleWritePackageRestrictionsLocked(userId); 2093 } 2094 2095 void scheduleWritePackageRestrictionsLocked(int userId) { 2096 final int[] userIds = (userId == UserHandle.USER_ALL) 2097 ? sUserManager.getUserIds() : new int[]{userId}; 2098 for (int nextUserId : userIds) { 2099 if (!sUserManager.exists(nextUserId)) return; 2100 mDirtyUsers.add(nextUserId); 2101 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2102 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2103 } 2104 } 2105 } 2106 2107 public static PackageManagerService main(Context context, Installer installer, 2108 boolean factoryTest, boolean onlyCore) { 2109 // Self-check for initial settings. 2110 PackageManagerServiceCompilerMapping.checkProperties(); 2111 2112 PackageManagerService m = new PackageManagerService(context, installer, 2113 factoryTest, onlyCore); 2114 m.enableSystemUserPackages(); 2115 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2116 // disabled after already being started. 2117 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2118 UserHandle.USER_SYSTEM); 2119 ServiceManager.addService("package", m); 2120 return m; 2121 } 2122 2123 private void enableSystemUserPackages() { 2124 if (!UserManager.isSplitSystemUser()) { 2125 return; 2126 } 2127 // For system user, enable apps based on the following conditions: 2128 // - app is whitelisted or belong to one of these groups: 2129 // -- system app which has no launcher icons 2130 // -- system app which has INTERACT_ACROSS_USERS permission 2131 // -- system IME app 2132 // - app is not in the blacklist 2133 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2134 Set<String> enableApps = new ArraySet<>(); 2135 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2136 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2137 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2138 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2139 enableApps.addAll(wlApps); 2140 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2141 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2142 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2143 enableApps.removeAll(blApps); 2144 Log.i(TAG, "Applications installed for system user: " + enableApps); 2145 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2146 UserHandle.SYSTEM); 2147 final int allAppsSize = allAps.size(); 2148 synchronized (mPackages) { 2149 for (int i = 0; i < allAppsSize; i++) { 2150 String pName = allAps.get(i); 2151 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2152 // Should not happen, but we shouldn't be failing if it does 2153 if (pkgSetting == null) { 2154 continue; 2155 } 2156 boolean install = enableApps.contains(pName); 2157 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2158 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2159 + " for system user"); 2160 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2161 } 2162 } 2163 } 2164 } 2165 2166 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2167 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2168 Context.DISPLAY_SERVICE); 2169 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2170 } 2171 2172 public PackageManagerService(Context context, Installer installer, 2173 boolean factoryTest, boolean onlyCore) { 2174 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2175 SystemClock.uptimeMillis()); 2176 2177 if (mSdkVersion <= 0) { 2178 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2179 } 2180 2181 mContext = context; 2182 mFactoryTest = factoryTest; 2183 mOnlyCore = onlyCore; 2184 mMetrics = new DisplayMetrics(); 2185 mSettings = new Settings(mPackages); 2186 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2187 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2188 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2189 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2190 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2191 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2192 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2193 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2194 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2195 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2196 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2197 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2198 2199 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2200 if (separateProcesses != null && separateProcesses.length() > 0) { 2201 if ("*".equals(separateProcesses)) { 2202 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2203 mSeparateProcesses = null; 2204 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2205 } else { 2206 mDefParseFlags = 0; 2207 mSeparateProcesses = separateProcesses.split(","); 2208 Slog.w(TAG, "Running with debug.separate_processes: " 2209 + separateProcesses); 2210 } 2211 } else { 2212 mDefParseFlags = 0; 2213 mSeparateProcesses = null; 2214 } 2215 2216 mInstaller = installer; 2217 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2218 "*dexopt*"); 2219 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2220 2221 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2222 FgThread.get().getLooper()); 2223 2224 getDefaultDisplayMetrics(context, mMetrics); 2225 2226 SystemConfig systemConfig = SystemConfig.getInstance(); 2227 mGlobalGids = systemConfig.getGlobalGids(); 2228 mSystemPermissions = systemConfig.getSystemPermissions(); 2229 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2230 2231 synchronized (mInstallLock) { 2232 // writer 2233 synchronized (mPackages) { 2234 mHandlerThread = new ServiceThread(TAG, 2235 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2236 mHandlerThread.start(); 2237 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2238 mProcessLoggingHandler = new ProcessLoggingHandler(); 2239 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2240 2241 File dataDir = Environment.getDataDirectory(); 2242 mAppInstallDir = new File(dataDir, "app"); 2243 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2244 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2245 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2246 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2247 2248 sUserManager = new UserManagerService(context, this, mPackages); 2249 2250 // Propagate permission configuration in to package manager. 2251 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2252 = systemConfig.getPermissions(); 2253 for (int i=0; i<permConfig.size(); i++) { 2254 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2255 BasePermission bp = mSettings.mPermissions.get(perm.name); 2256 if (bp == null) { 2257 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2258 mSettings.mPermissions.put(perm.name, bp); 2259 } 2260 if (perm.gids != null) { 2261 bp.setGids(perm.gids, perm.perUser); 2262 } 2263 } 2264 2265 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2266 for (int i=0; i<libConfig.size(); i++) { 2267 mSharedLibraries.put(libConfig.keyAt(i), 2268 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2269 } 2270 2271 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2272 2273 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2274 2275 String customResolverActivity = Resources.getSystem().getString( 2276 R.string.config_customResolverActivity); 2277 if (TextUtils.isEmpty(customResolverActivity)) { 2278 customResolverActivity = null; 2279 } else { 2280 mCustomResolverComponentName = ComponentName.unflattenFromString( 2281 customResolverActivity); 2282 } 2283 2284 long startTime = SystemClock.uptimeMillis(); 2285 2286 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2287 startTime); 2288 2289 // Set flag to monitor and not change apk file paths when 2290 // scanning install directories. 2291 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2292 2293 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2294 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2295 2296 if (bootClassPath == null) { 2297 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2298 } 2299 2300 if (systemServerClassPath == null) { 2301 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2302 } 2303 2304 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2305 final String[] dexCodeInstructionSets = 2306 getDexCodeInstructionSets( 2307 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2308 2309 /** 2310 * Ensure all external libraries have had dexopt run on them. 2311 */ 2312 if (mSharedLibraries.size() > 0) { 2313 // NOTE: For now, we're compiling these system "shared libraries" 2314 // (and framework jars) into all available architectures. It's possible 2315 // to compile them only when we come across an app that uses them (there's 2316 // already logic for that in scanPackageLI) but that adds some complexity. 2317 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2318 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2319 final String lib = libEntry.path; 2320 if (lib == null) { 2321 continue; 2322 } 2323 2324 try { 2325 // Shared libraries do not have profiles so we perform a full 2326 // AOT compilation (if needed). 2327 int dexoptNeeded = DexFile.getDexOptNeeded( 2328 lib, dexCodeInstructionSet, 2329 getCompilerFilterForReason(REASON_SHARED_APK), 2330 false /* newProfile */); 2331 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2332 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2333 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2334 getCompilerFilterForReason(REASON_SHARED_APK), 2335 StorageManager.UUID_PRIVATE_INTERNAL); 2336 } 2337 } catch (FileNotFoundException e) { 2338 Slog.w(TAG, "Library not found: " + lib); 2339 } catch (IOException | InstallerException e) { 2340 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2341 + e.getMessage()); 2342 } 2343 } 2344 } 2345 } 2346 2347 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2348 2349 final VersionInfo ver = mSettings.getInternalVersion(); 2350 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2351 2352 // when upgrading from pre-M, promote system app permissions from install to runtime 2353 mPromoteSystemApps = 2354 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2355 2356 // save off the names of pre-existing system packages prior to scanning; we don't 2357 // want to automatically grant runtime permissions for new system apps 2358 if (mPromoteSystemApps) { 2359 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2360 while (pkgSettingIter.hasNext()) { 2361 PackageSetting ps = pkgSettingIter.next(); 2362 if (isSystemApp(ps)) { 2363 mExistingSystemPackages.add(ps.name); 2364 } 2365 } 2366 } 2367 2368 // When upgrading from pre-N, we need to handle package extraction like first boot, 2369 // as there is no profiling data available. 2370 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2371 mSettings.setNWorkDone(); 2372 2373 // Collect vendor overlay packages. 2374 // (Do this before scanning any apps.) 2375 // For security and version matching reason, only consider 2376 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2377 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2378 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2379 | PackageParser.PARSE_IS_SYSTEM 2380 | PackageParser.PARSE_IS_SYSTEM_DIR 2381 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2382 2383 // Find base frameworks (resource packages without code). 2384 scanDirTracedLI(frameworkDir, mDefParseFlags 2385 | PackageParser.PARSE_IS_SYSTEM 2386 | PackageParser.PARSE_IS_SYSTEM_DIR 2387 | PackageParser.PARSE_IS_PRIVILEGED, 2388 scanFlags | SCAN_NO_DEX, 0); 2389 2390 // Collected privileged system packages. 2391 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2392 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2393 | PackageParser.PARSE_IS_SYSTEM 2394 | PackageParser.PARSE_IS_SYSTEM_DIR 2395 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2396 2397 // Collect ordinary system packages. 2398 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2399 scanDirTracedLI(systemAppDir, mDefParseFlags 2400 | PackageParser.PARSE_IS_SYSTEM 2401 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2402 2403 // Collect all vendor packages. 2404 File vendorAppDir = new File("/vendor/app"); 2405 try { 2406 vendorAppDir = vendorAppDir.getCanonicalFile(); 2407 } catch (IOException e) { 2408 // failed to look up canonical path, continue with original one 2409 } 2410 scanDirTracedLI(vendorAppDir, mDefParseFlags 2411 | PackageParser.PARSE_IS_SYSTEM 2412 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2413 2414 // Collect all OEM packages. 2415 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2416 scanDirTracedLI(oemAppDir, mDefParseFlags 2417 | PackageParser.PARSE_IS_SYSTEM 2418 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2419 2420 // Prune any system packages that no longer exist. 2421 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2422 if (!mOnlyCore) { 2423 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2424 while (psit.hasNext()) { 2425 PackageSetting ps = psit.next(); 2426 2427 /* 2428 * If this is not a system app, it can't be a 2429 * disable system app. 2430 */ 2431 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2432 continue; 2433 } 2434 2435 /* 2436 * If the package is scanned, it's not erased. 2437 */ 2438 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2439 if (scannedPkg != null) { 2440 /* 2441 * If the system app is both scanned and in the 2442 * disabled packages list, then it must have been 2443 * added via OTA. Remove it from the currently 2444 * scanned package so the previously user-installed 2445 * application can be scanned. 2446 */ 2447 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2448 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2449 + ps.name + "; removing system app. Last known codePath=" 2450 + ps.codePathString + ", installStatus=" + ps.installStatus 2451 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2452 + scannedPkg.mVersionCode); 2453 removePackageLI(scannedPkg, true); 2454 mExpectingBetter.put(ps.name, ps.codePath); 2455 } 2456 2457 continue; 2458 } 2459 2460 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2461 psit.remove(); 2462 logCriticalInfo(Log.WARN, "System package " + ps.name 2463 + " no longer exists; it's data will be wiped"); 2464 // Actual deletion of code and data will be handled by later 2465 // reconciliation step 2466 } else { 2467 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2468 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2469 possiblyDeletedUpdatedSystemApps.add(ps.name); 2470 } 2471 } 2472 } 2473 } 2474 2475 //look for any incomplete package installations 2476 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2477 for (int i = 0; i < deletePkgsList.size(); i++) { 2478 // Actual deletion of code and data will be handled by later 2479 // reconciliation step 2480 final String packageName = deletePkgsList.get(i).name; 2481 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2482 synchronized (mPackages) { 2483 mSettings.removePackageLPw(packageName); 2484 } 2485 } 2486 2487 //delete tmp files 2488 deleteTempPackageFiles(); 2489 2490 // Remove any shared userIDs that have no associated packages 2491 mSettings.pruneSharedUsersLPw(); 2492 2493 if (!mOnlyCore) { 2494 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2495 SystemClock.uptimeMillis()); 2496 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2497 2498 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2499 | PackageParser.PARSE_FORWARD_LOCK, 2500 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2501 2502 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2503 | PackageParser.PARSE_IS_EPHEMERAL, 2504 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2505 2506 /** 2507 * Remove disable package settings for any updated system 2508 * apps that were removed via an OTA. If they're not a 2509 * previously-updated app, remove them completely. 2510 * Otherwise, just revoke their system-level permissions. 2511 */ 2512 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2513 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2514 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2515 2516 String msg; 2517 if (deletedPkg == null) { 2518 msg = "Updated system package " + deletedAppName 2519 + " no longer exists; it's data will be wiped"; 2520 // Actual deletion of code and data will be handled by later 2521 // reconciliation step 2522 } else { 2523 msg = "Updated system app + " + deletedAppName 2524 + " no longer present; removing system privileges for " 2525 + deletedAppName; 2526 2527 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2528 2529 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2530 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2531 } 2532 logCriticalInfo(Log.WARN, msg); 2533 } 2534 2535 /** 2536 * Make sure all system apps that we expected to appear on 2537 * the userdata partition actually showed up. If they never 2538 * appeared, crawl back and revive the system version. 2539 */ 2540 for (int i = 0; i < mExpectingBetter.size(); i++) { 2541 final String packageName = mExpectingBetter.keyAt(i); 2542 if (!mPackages.containsKey(packageName)) { 2543 final File scanFile = mExpectingBetter.valueAt(i); 2544 2545 logCriticalInfo(Log.WARN, "Expected better " + packageName 2546 + " but never showed up; reverting to system"); 2547 2548 int reparseFlags = mDefParseFlags; 2549 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2550 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2551 | PackageParser.PARSE_IS_SYSTEM_DIR 2552 | PackageParser.PARSE_IS_PRIVILEGED; 2553 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2554 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2555 | PackageParser.PARSE_IS_SYSTEM_DIR; 2556 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2557 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2558 | PackageParser.PARSE_IS_SYSTEM_DIR; 2559 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2560 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2561 | PackageParser.PARSE_IS_SYSTEM_DIR; 2562 } else { 2563 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2564 continue; 2565 } 2566 2567 mSettings.enableSystemPackageLPw(packageName); 2568 2569 try { 2570 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2571 } catch (PackageManagerException e) { 2572 Slog.e(TAG, "Failed to parse original system package: " 2573 + e.getMessage()); 2574 } 2575 } 2576 } 2577 } 2578 mExpectingBetter.clear(); 2579 2580 // Resolve protected action filters. Only the setup wizard is allowed to 2581 // have a high priority filter for these actions. 2582 mSetupWizardPackage = getSetupWizardPackageName(); 2583 if (mProtectedFilters.size() > 0) { 2584 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2585 Slog.i(TAG, "No setup wizard;" 2586 + " All protected intents capped to priority 0"); 2587 } 2588 for (ActivityIntentInfo filter : mProtectedFilters) { 2589 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2590 if (DEBUG_FILTERS) { 2591 Slog.i(TAG, "Found setup wizard;" 2592 + " allow priority " + filter.getPriority() + ";" 2593 + " package: " + filter.activity.info.packageName 2594 + " activity: " + filter.activity.className 2595 + " priority: " + filter.getPriority()); 2596 } 2597 // skip setup wizard; allow it to keep the high priority filter 2598 continue; 2599 } 2600 Slog.w(TAG, "Protected action; cap priority to 0;" 2601 + " package: " + filter.activity.info.packageName 2602 + " activity: " + filter.activity.className 2603 + " origPrio: " + filter.getPriority()); 2604 filter.setPriority(0); 2605 } 2606 } 2607 mDeferProtectedFilters = false; 2608 mProtectedFilters.clear(); 2609 2610 // Now that we know all of the shared libraries, update all clients to have 2611 // the correct library paths. 2612 updateAllSharedLibrariesLPw(); 2613 2614 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2615 // NOTE: We ignore potential failures here during a system scan (like 2616 // the rest of the commands above) because there's precious little we 2617 // can do about it. A settings error is reported, though. 2618 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2619 false /* boot complete */); 2620 } 2621 2622 // Now that we know all the packages we are keeping, 2623 // read and update their last usage times. 2624 mPackageUsage.readLP(); 2625 2626 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2627 SystemClock.uptimeMillis()); 2628 Slog.i(TAG, "Time to scan packages: " 2629 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2630 + " seconds"); 2631 2632 // If the platform SDK has changed since the last time we booted, 2633 // we need to re-grant app permission to catch any new ones that 2634 // appear. This is really a hack, and means that apps can in some 2635 // cases get permissions that the user didn't initially explicitly 2636 // allow... it would be nice to have some better way to handle 2637 // this situation. 2638 int updateFlags = UPDATE_PERMISSIONS_ALL; 2639 if (ver.sdkVersion != mSdkVersion) { 2640 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2641 + mSdkVersion + "; regranting permissions for internal storage"); 2642 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2643 } 2644 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2645 ver.sdkVersion = mSdkVersion; 2646 2647 // If this is the first boot or an update from pre-M, and it is a normal 2648 // boot, then we need to initialize the default preferred apps across 2649 // all defined users. 2650 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2651 for (UserInfo user : sUserManager.getUsers(true)) { 2652 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2653 applyFactoryDefaultBrowserLPw(user.id); 2654 primeDomainVerificationsLPw(user.id); 2655 } 2656 } 2657 2658 // Prepare storage for system user really early during boot, 2659 // since core system apps like SettingsProvider and SystemUI 2660 // can't wait for user to start 2661 final int storageFlags; 2662 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2663 storageFlags = StorageManager.FLAG_STORAGE_DE; 2664 } else { 2665 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2666 } 2667 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2668 storageFlags); 2669 2670 // If this is first boot after an OTA, and a normal boot, then 2671 // we need to clear code cache directories. 2672 if (mIsUpgrade && !onlyCore) { 2673 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2674 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2675 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2676 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2677 // No apps are running this early, so no need to freeze 2678 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2679 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2680 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2681 } 2682 clearAppProfilesLIF(ps.pkg); 2683 } 2684 ver.fingerprint = Build.FINGERPRINT; 2685 } 2686 2687 checkDefaultBrowser(); 2688 2689 // clear only after permissions and other defaults have been updated 2690 mExistingSystemPackages.clear(); 2691 mPromoteSystemApps = false; 2692 2693 // All the changes are done during package scanning. 2694 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2695 2696 // can downgrade to reader 2697 mSettings.writeLPr(); 2698 2699 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2700 SystemClock.uptimeMillis()); 2701 2702 if (!mOnlyCore) { 2703 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2704 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2705 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2706 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2707 mIntentFilterVerifierComponent); 2708 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2709 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2710 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2711 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2712 } else { 2713 mRequiredVerifierPackage = null; 2714 mRequiredInstallerPackage = null; 2715 mIntentFilterVerifierComponent = null; 2716 mIntentFilterVerifier = null; 2717 mServicesSystemSharedLibraryPackageName = null; 2718 mSharedSystemSharedLibraryPackageName = null; 2719 } 2720 2721 mInstallerService = new PackageInstallerService(context, this); 2722 2723 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2724 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2725 // both the installer and resolver must be present to enable ephemeral 2726 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2727 if (DEBUG_EPHEMERAL) { 2728 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2729 + " installer:" + ephemeralInstallerComponent); 2730 } 2731 mEphemeralResolverComponent = ephemeralResolverComponent; 2732 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2733 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2734 mEphemeralResolverConnection = 2735 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2736 } else { 2737 if (DEBUG_EPHEMERAL) { 2738 final String missingComponent = 2739 (ephemeralResolverComponent == null) 2740 ? (ephemeralInstallerComponent == null) 2741 ? "resolver and installer" 2742 : "resolver" 2743 : "installer"; 2744 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2745 } 2746 mEphemeralResolverComponent = null; 2747 mEphemeralInstallerComponent = null; 2748 mEphemeralResolverConnection = null; 2749 } 2750 2751 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2752 } // synchronized (mPackages) 2753 } // synchronized (mInstallLock) 2754 2755 // Now after opening every single application zip, make sure they 2756 // are all flushed. Not really needed, but keeps things nice and 2757 // tidy. 2758 Runtime.getRuntime().gc(); 2759 2760 // The initial scanning above does many calls into installd while 2761 // holding the mPackages lock, but we're mostly interested in yelling 2762 // once we have a booted system. 2763 mInstaller.setWarnIfHeld(mPackages); 2764 2765 // Expose private service for system components to use. 2766 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2767 } 2768 2769 @Override 2770 public boolean isFirstBoot() { 2771 return !mRestoredSettings; 2772 } 2773 2774 @Override 2775 public boolean isOnlyCoreApps() { 2776 return mOnlyCore; 2777 } 2778 2779 @Override 2780 public boolean isUpgrade() { 2781 return mIsUpgrade; 2782 } 2783 2784 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2785 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2786 2787 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2788 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2789 UserHandle.USER_SYSTEM); 2790 if (matches.size() == 1) { 2791 return matches.get(0).getComponentInfo().packageName; 2792 } else { 2793 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2794 return null; 2795 } 2796 } 2797 2798 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2799 synchronized (mPackages) { 2800 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2801 if (libraryEntry == null) { 2802 throw new IllegalStateException("Missing required shared library:" + libraryName); 2803 } 2804 return libraryEntry.apk; 2805 } 2806 } 2807 2808 private @NonNull String getRequiredInstallerLPr() { 2809 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2810 intent.addCategory(Intent.CATEGORY_DEFAULT); 2811 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2812 2813 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2814 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2815 UserHandle.USER_SYSTEM); 2816 if (matches.size() == 1) { 2817 ResolveInfo resolveInfo = matches.get(0); 2818 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2819 throw new RuntimeException("The installer must be a privileged app"); 2820 } 2821 return matches.get(0).getComponentInfo().packageName; 2822 } else { 2823 throw new RuntimeException("There must be exactly one installer; found " + matches); 2824 } 2825 } 2826 2827 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2828 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2829 2830 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2831 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2832 UserHandle.USER_SYSTEM); 2833 ResolveInfo best = null; 2834 final int N = matches.size(); 2835 for (int i = 0; i < N; i++) { 2836 final ResolveInfo cur = matches.get(i); 2837 final String packageName = cur.getComponentInfo().packageName; 2838 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2839 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2840 continue; 2841 } 2842 2843 if (best == null || cur.priority > best.priority) { 2844 best = cur; 2845 } 2846 } 2847 2848 if (best != null) { 2849 return best.getComponentInfo().getComponentName(); 2850 } else { 2851 throw new RuntimeException("There must be at least one intent filter verifier"); 2852 } 2853 } 2854 2855 private @Nullable ComponentName getEphemeralResolverLPr() { 2856 final String[] packageArray = 2857 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2858 if (packageArray.length == 0) { 2859 if (DEBUG_EPHEMERAL) { 2860 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2861 } 2862 return null; 2863 } 2864 2865 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2866 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2867 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2868 UserHandle.USER_SYSTEM); 2869 2870 final int N = resolvers.size(); 2871 if (N == 0) { 2872 if (DEBUG_EPHEMERAL) { 2873 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2874 } 2875 return null; 2876 } 2877 2878 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2879 for (int i = 0; i < N; i++) { 2880 final ResolveInfo info = resolvers.get(i); 2881 2882 if (info.serviceInfo == null) { 2883 continue; 2884 } 2885 2886 final String packageName = info.serviceInfo.packageName; 2887 if (!possiblePackages.contains(packageName)) { 2888 if (DEBUG_EPHEMERAL) { 2889 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2890 + " pkg: " + packageName + ", info:" + info); 2891 } 2892 continue; 2893 } 2894 2895 if (DEBUG_EPHEMERAL) { 2896 Slog.v(TAG, "Ephemeral resolver found;" 2897 + " pkg: " + packageName + ", info:" + info); 2898 } 2899 return new ComponentName(packageName, info.serviceInfo.name); 2900 } 2901 if (DEBUG_EPHEMERAL) { 2902 Slog.v(TAG, "Ephemeral resolver NOT found"); 2903 } 2904 return null; 2905 } 2906 2907 private @Nullable ComponentName getEphemeralInstallerLPr() { 2908 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2909 intent.addCategory(Intent.CATEGORY_DEFAULT); 2910 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2911 2912 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2913 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2914 UserHandle.USER_SYSTEM); 2915 if (matches.size() == 0) { 2916 return null; 2917 } else if (matches.size() == 1) { 2918 return matches.get(0).getComponentInfo().getComponentName(); 2919 } else { 2920 throw new RuntimeException( 2921 "There must be at most one ephemeral installer; found " + matches); 2922 } 2923 } 2924 2925 private void primeDomainVerificationsLPw(int userId) { 2926 if (DEBUG_DOMAIN_VERIFICATION) { 2927 Slog.d(TAG, "Priming domain verifications in user " + userId); 2928 } 2929 2930 SystemConfig systemConfig = SystemConfig.getInstance(); 2931 ArraySet<String> packages = systemConfig.getLinkedApps(); 2932 ArraySet<String> domains = new ArraySet<String>(); 2933 2934 for (String packageName : packages) { 2935 PackageParser.Package pkg = mPackages.get(packageName); 2936 if (pkg != null) { 2937 if (!pkg.isSystemApp()) { 2938 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2939 continue; 2940 } 2941 2942 domains.clear(); 2943 for (PackageParser.Activity a : pkg.activities) { 2944 for (ActivityIntentInfo filter : a.intents) { 2945 if (hasValidDomains(filter)) { 2946 domains.addAll(filter.getHostsList()); 2947 } 2948 } 2949 } 2950 2951 if (domains.size() > 0) { 2952 if (DEBUG_DOMAIN_VERIFICATION) { 2953 Slog.v(TAG, " + " + packageName); 2954 } 2955 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2956 // state w.r.t. the formal app-linkage "no verification attempted" state; 2957 // and then 'always' in the per-user state actually used for intent resolution. 2958 final IntentFilterVerificationInfo ivi; 2959 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2960 new ArrayList<String>(domains)); 2961 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2962 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2963 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2964 } else { 2965 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2966 + "' does not handle web links"); 2967 } 2968 } else { 2969 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2970 } 2971 } 2972 2973 scheduleWritePackageRestrictionsLocked(userId); 2974 scheduleWriteSettingsLocked(); 2975 } 2976 2977 private void applyFactoryDefaultBrowserLPw(int userId) { 2978 // The default browser app's package name is stored in a string resource, 2979 // with a product-specific overlay used for vendor customization. 2980 String browserPkg = mContext.getResources().getString( 2981 com.android.internal.R.string.default_browser); 2982 if (!TextUtils.isEmpty(browserPkg)) { 2983 // non-empty string => required to be a known package 2984 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2985 if (ps == null) { 2986 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2987 browserPkg = null; 2988 } else { 2989 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2990 } 2991 } 2992 2993 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2994 // default. If there's more than one, just leave everything alone. 2995 if (browserPkg == null) { 2996 calculateDefaultBrowserLPw(userId); 2997 } 2998 } 2999 3000 private void calculateDefaultBrowserLPw(int userId) { 3001 List<String> allBrowsers = resolveAllBrowserApps(userId); 3002 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3003 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3004 } 3005 3006 private List<String> resolveAllBrowserApps(int userId) { 3007 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3008 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3009 PackageManager.MATCH_ALL, userId); 3010 3011 final int count = list.size(); 3012 List<String> result = new ArrayList<String>(count); 3013 for (int i=0; i<count; i++) { 3014 ResolveInfo info = list.get(i); 3015 if (info.activityInfo == null 3016 || !info.handleAllWebDataURI 3017 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3018 || result.contains(info.activityInfo.packageName)) { 3019 continue; 3020 } 3021 result.add(info.activityInfo.packageName); 3022 } 3023 3024 return result; 3025 } 3026 3027 private boolean packageIsBrowser(String packageName, int userId) { 3028 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3029 PackageManager.MATCH_ALL, userId); 3030 final int N = list.size(); 3031 for (int i = 0; i < N; i++) { 3032 ResolveInfo info = list.get(i); 3033 if (packageName.equals(info.activityInfo.packageName)) { 3034 return true; 3035 } 3036 } 3037 return false; 3038 } 3039 3040 private void checkDefaultBrowser() { 3041 final int myUserId = UserHandle.myUserId(); 3042 final String packageName = getDefaultBrowserPackageName(myUserId); 3043 if (packageName != null) { 3044 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3045 if (info == null) { 3046 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3047 synchronized (mPackages) { 3048 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3049 } 3050 } 3051 } 3052 } 3053 3054 @Override 3055 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3056 throws RemoteException { 3057 try { 3058 return super.onTransact(code, data, reply, flags); 3059 } catch (RuntimeException e) { 3060 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3061 Slog.wtf(TAG, "Package Manager Crash", e); 3062 } 3063 throw e; 3064 } 3065 } 3066 3067 static int[] appendInts(int[] cur, int[] add) { 3068 if (add == null) return cur; 3069 if (cur == null) return add; 3070 final int N = add.length; 3071 for (int i=0; i<N; i++) { 3072 cur = appendInt(cur, add[i]); 3073 } 3074 return cur; 3075 } 3076 3077 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3078 if (!sUserManager.exists(userId)) return null; 3079 if (ps == null) { 3080 return null; 3081 } 3082 final PackageParser.Package p = ps.pkg; 3083 if (p == null) { 3084 return null; 3085 } 3086 3087 final PermissionsState permissionsState = ps.getPermissionsState(); 3088 3089 final int[] gids = permissionsState.computeGids(userId); 3090 final Set<String> permissions = permissionsState.getPermissions(userId); 3091 final PackageUserState state = ps.readUserState(userId); 3092 3093 return PackageParser.generatePackageInfo(p, gids, flags, 3094 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3095 } 3096 3097 @Override 3098 public void checkPackageStartable(String packageName, int userId) { 3099 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 3100 3101 synchronized (mPackages) { 3102 final PackageSetting ps = mSettings.mPackages.get(packageName); 3103 if (ps == null) { 3104 throw new SecurityException("Package " + packageName + " was not found!"); 3105 } 3106 3107 if (!ps.getInstalled(userId)) { 3108 throw new SecurityException( 3109 "Package " + packageName + " was not installed for user " + userId + "!"); 3110 } 3111 3112 if (mSafeMode && !ps.isSystem()) { 3113 throw new SecurityException("Package " + packageName + " not a system app!"); 3114 } 3115 3116 if (mFrozenPackages.contains(packageName)) { 3117 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3118 } 3119 3120 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3121 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3122 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3123 } 3124 } 3125 } 3126 3127 @Override 3128 public boolean isPackageAvailable(String packageName, int userId) { 3129 if (!sUserManager.exists(userId)) return false; 3130 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3131 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3132 synchronized (mPackages) { 3133 PackageParser.Package p = mPackages.get(packageName); 3134 if (p != null) { 3135 final PackageSetting ps = (PackageSetting) p.mExtras; 3136 if (ps != null) { 3137 final PackageUserState state = ps.readUserState(userId); 3138 if (state != null) { 3139 return PackageParser.isAvailable(state); 3140 } 3141 } 3142 } 3143 } 3144 return false; 3145 } 3146 3147 @Override 3148 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3149 if (!sUserManager.exists(userId)) return null; 3150 flags = updateFlagsForPackage(flags, userId, packageName); 3151 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3152 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3153 // reader 3154 synchronized (mPackages) { 3155 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3156 PackageParser.Package p = null; 3157 if (matchFactoryOnly) { 3158 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3159 if (ps != null) { 3160 return generatePackageInfo(ps, flags, userId); 3161 } 3162 } 3163 if (p == null) { 3164 p = mPackages.get(packageName); 3165 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3166 return null; 3167 } 3168 } 3169 if (DEBUG_PACKAGE_INFO) 3170 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3171 if (p != null) { 3172 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3173 } 3174 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3175 final PackageSetting ps = mSettings.mPackages.get(packageName); 3176 return generatePackageInfo(ps, flags, userId); 3177 } 3178 } 3179 return null; 3180 } 3181 3182 @Override 3183 public String[] currentToCanonicalPackageNames(String[] names) { 3184 String[] out = new String[names.length]; 3185 // reader 3186 synchronized (mPackages) { 3187 for (int i=names.length-1; i>=0; i--) { 3188 PackageSetting ps = mSettings.mPackages.get(names[i]); 3189 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3190 } 3191 } 3192 return out; 3193 } 3194 3195 @Override 3196 public String[] canonicalToCurrentPackageNames(String[] names) { 3197 String[] out = new String[names.length]; 3198 // reader 3199 synchronized (mPackages) { 3200 for (int i=names.length-1; i>=0; i--) { 3201 String cur = mSettings.mRenamedPackages.get(names[i]); 3202 out[i] = cur != null ? cur : names[i]; 3203 } 3204 } 3205 return out; 3206 } 3207 3208 @Override 3209 public int getPackageUid(String packageName, int flags, int userId) { 3210 if (!sUserManager.exists(userId)) return -1; 3211 flags = updateFlagsForPackage(flags, userId, packageName); 3212 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3213 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3214 3215 // reader 3216 synchronized (mPackages) { 3217 final PackageParser.Package p = mPackages.get(packageName); 3218 if (p != null && p.isMatch(flags)) { 3219 return UserHandle.getUid(userId, p.applicationInfo.uid); 3220 } 3221 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3222 final PackageSetting ps = mSettings.mPackages.get(packageName); 3223 if (ps != null && ps.isMatch(flags)) { 3224 return UserHandle.getUid(userId, ps.appId); 3225 } 3226 } 3227 } 3228 3229 return -1; 3230 } 3231 3232 @Override 3233 public int[] getPackageGids(String packageName, int flags, int userId) { 3234 if (!sUserManager.exists(userId)) return null; 3235 flags = updateFlagsForPackage(flags, userId, packageName); 3236 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3237 false /* requireFullPermission */, false /* checkShell */, 3238 "getPackageGids"); 3239 3240 // reader 3241 synchronized (mPackages) { 3242 final PackageParser.Package p = mPackages.get(packageName); 3243 if (p != null && p.isMatch(flags)) { 3244 PackageSetting ps = (PackageSetting) p.mExtras; 3245 return ps.getPermissionsState().computeGids(userId); 3246 } 3247 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3248 final PackageSetting ps = mSettings.mPackages.get(packageName); 3249 if (ps != null && ps.isMatch(flags)) { 3250 return ps.getPermissionsState().computeGids(userId); 3251 } 3252 } 3253 } 3254 3255 return null; 3256 } 3257 3258 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3259 if (bp.perm != null) { 3260 return PackageParser.generatePermissionInfo(bp.perm, flags); 3261 } 3262 PermissionInfo pi = new PermissionInfo(); 3263 pi.name = bp.name; 3264 pi.packageName = bp.sourcePackage; 3265 pi.nonLocalizedLabel = bp.name; 3266 pi.protectionLevel = bp.protectionLevel; 3267 return pi; 3268 } 3269 3270 @Override 3271 public PermissionInfo getPermissionInfo(String name, int flags) { 3272 // reader 3273 synchronized (mPackages) { 3274 final BasePermission p = mSettings.mPermissions.get(name); 3275 if (p != null) { 3276 return generatePermissionInfo(p, flags); 3277 } 3278 return null; 3279 } 3280 } 3281 3282 @Override 3283 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3284 int flags) { 3285 // reader 3286 synchronized (mPackages) { 3287 if (group != null && !mPermissionGroups.containsKey(group)) { 3288 // This is thrown as NameNotFoundException 3289 return null; 3290 } 3291 3292 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3293 for (BasePermission p : mSettings.mPermissions.values()) { 3294 if (group == null) { 3295 if (p.perm == null || p.perm.info.group == null) { 3296 out.add(generatePermissionInfo(p, flags)); 3297 } 3298 } else { 3299 if (p.perm != null && group.equals(p.perm.info.group)) { 3300 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3301 } 3302 } 3303 } 3304 return new ParceledListSlice<>(out); 3305 } 3306 } 3307 3308 @Override 3309 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3310 // reader 3311 synchronized (mPackages) { 3312 return PackageParser.generatePermissionGroupInfo( 3313 mPermissionGroups.get(name), flags); 3314 } 3315 } 3316 3317 @Override 3318 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3319 // reader 3320 synchronized (mPackages) { 3321 final int N = mPermissionGroups.size(); 3322 ArrayList<PermissionGroupInfo> out 3323 = new ArrayList<PermissionGroupInfo>(N); 3324 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3325 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3326 } 3327 return new ParceledListSlice<>(out); 3328 } 3329 } 3330 3331 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3332 int userId) { 3333 if (!sUserManager.exists(userId)) return null; 3334 PackageSetting ps = mSettings.mPackages.get(packageName); 3335 if (ps != null) { 3336 if (ps.pkg == null) { 3337 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3338 if (pInfo != null) { 3339 return pInfo.applicationInfo; 3340 } 3341 return null; 3342 } 3343 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3344 ps.readUserState(userId), userId); 3345 } 3346 return null; 3347 } 3348 3349 @Override 3350 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3351 if (!sUserManager.exists(userId)) return null; 3352 flags = updateFlagsForApplication(flags, userId, packageName); 3353 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3354 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3355 // writer 3356 synchronized (mPackages) { 3357 PackageParser.Package p = mPackages.get(packageName); 3358 if (DEBUG_PACKAGE_INFO) Log.v( 3359 TAG, "getApplicationInfo " + packageName 3360 + ": " + p); 3361 if (p != null) { 3362 PackageSetting ps = mSettings.mPackages.get(packageName); 3363 if (ps == null) return null; 3364 // Note: isEnabledLP() does not apply here - always return info 3365 return PackageParser.generateApplicationInfo( 3366 p, flags, ps.readUserState(userId), userId); 3367 } 3368 if ("android".equals(packageName)||"system".equals(packageName)) { 3369 return mAndroidApplication; 3370 } 3371 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3372 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3373 } 3374 } 3375 return null; 3376 } 3377 3378 @Override 3379 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3380 final IPackageDataObserver observer) { 3381 mContext.enforceCallingOrSelfPermission( 3382 android.Manifest.permission.CLEAR_APP_CACHE, null); 3383 // Queue up an async operation since clearing cache may take a little while. 3384 mHandler.post(new Runnable() { 3385 public void run() { 3386 mHandler.removeCallbacks(this); 3387 boolean success = true; 3388 synchronized (mInstallLock) { 3389 try { 3390 mInstaller.freeCache(volumeUuid, freeStorageSize); 3391 } catch (InstallerException e) { 3392 Slog.w(TAG, "Couldn't clear application caches: " + e); 3393 success = false; 3394 } 3395 } 3396 if (observer != null) { 3397 try { 3398 observer.onRemoveCompleted(null, success); 3399 } catch (RemoteException e) { 3400 Slog.w(TAG, "RemoveException when invoking call back"); 3401 } 3402 } 3403 } 3404 }); 3405 } 3406 3407 @Override 3408 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3409 final IntentSender pi) { 3410 mContext.enforceCallingOrSelfPermission( 3411 android.Manifest.permission.CLEAR_APP_CACHE, null); 3412 // Queue up an async operation since clearing cache may take a little while. 3413 mHandler.post(new Runnable() { 3414 public void run() { 3415 mHandler.removeCallbacks(this); 3416 boolean success = true; 3417 synchronized (mInstallLock) { 3418 try { 3419 mInstaller.freeCache(volumeUuid, freeStorageSize); 3420 } catch (InstallerException e) { 3421 Slog.w(TAG, "Couldn't clear application caches: " + e); 3422 success = false; 3423 } 3424 } 3425 if(pi != null) { 3426 try { 3427 // Callback via pending intent 3428 int code = success ? 1 : 0; 3429 pi.sendIntent(null, code, null, 3430 null, null); 3431 } catch (SendIntentException e1) { 3432 Slog.i(TAG, "Failed to send pending intent"); 3433 } 3434 } 3435 } 3436 }); 3437 } 3438 3439 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3440 synchronized (mInstallLock) { 3441 try { 3442 mInstaller.freeCache(volumeUuid, freeStorageSize); 3443 } catch (InstallerException e) { 3444 throw new IOException("Failed to free enough space", e); 3445 } 3446 } 3447 } 3448 3449 /** 3450 * Return if the user key is currently unlocked. 3451 */ 3452 private boolean isUserKeyUnlocked(int userId) { 3453 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3454 final IMountService mount = IMountService.Stub 3455 .asInterface(ServiceManager.getService("mount")); 3456 if (mount == null) { 3457 Slog.w(TAG, "Early during boot, assuming locked"); 3458 return false; 3459 } 3460 final long token = Binder.clearCallingIdentity(); 3461 try { 3462 return mount.isUserKeyUnlocked(userId); 3463 } catch (RemoteException e) { 3464 throw e.rethrowAsRuntimeException(); 3465 } finally { 3466 Binder.restoreCallingIdentity(token); 3467 } 3468 } else { 3469 return true; 3470 } 3471 } 3472 3473 /** 3474 * Update given flags based on encryption status of current user. 3475 */ 3476 private int updateFlags(int flags, int userId) { 3477 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3478 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3479 // Caller expressed an explicit opinion about what encryption 3480 // aware/unaware components they want to see, so fall through and 3481 // give them what they want 3482 } else { 3483 // Caller expressed no opinion, so match based on user state 3484 if (isUserKeyUnlocked(userId)) { 3485 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3486 } else { 3487 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3488 } 3489 } 3490 return flags; 3491 } 3492 3493 /** 3494 * Update given flags when being used to request {@link PackageInfo}. 3495 */ 3496 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3497 boolean triaged = true; 3498 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3499 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3500 // Caller is asking for component details, so they'd better be 3501 // asking for specific encryption matching behavior, or be triaged 3502 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3503 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3504 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3505 triaged = false; 3506 } 3507 } 3508 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3509 | PackageManager.MATCH_SYSTEM_ONLY 3510 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3511 triaged = false; 3512 } 3513 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3514 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3515 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3516 } 3517 return updateFlags(flags, userId); 3518 } 3519 3520 /** 3521 * Update given flags when being used to request {@link ApplicationInfo}. 3522 */ 3523 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3524 return updateFlagsForPackage(flags, userId, cookie); 3525 } 3526 3527 /** 3528 * Update given flags when being used to request {@link ComponentInfo}. 3529 */ 3530 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3531 if (cookie instanceof Intent) { 3532 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3533 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3534 } 3535 } 3536 3537 boolean triaged = true; 3538 // Caller is asking for component details, so they'd better be 3539 // asking for specific encryption matching behavior, or be triaged 3540 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3541 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3542 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3543 triaged = false; 3544 } 3545 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3546 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3547 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3548 } 3549 3550 return updateFlags(flags, userId); 3551 } 3552 3553 /** 3554 * Update given flags when being used to request {@link ResolveInfo}. 3555 */ 3556 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3557 // Safe mode means we shouldn't match any third-party components 3558 if (mSafeMode) { 3559 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3560 } 3561 3562 return updateFlagsForComponent(flags, userId, cookie); 3563 } 3564 3565 @Override 3566 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3567 if (!sUserManager.exists(userId)) return null; 3568 flags = updateFlagsForComponent(flags, userId, component); 3569 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3570 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3571 synchronized (mPackages) { 3572 PackageParser.Activity a = mActivities.mActivities.get(component); 3573 3574 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3575 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3576 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3577 if (ps == null) return null; 3578 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3579 userId); 3580 } 3581 if (mResolveComponentName.equals(component)) { 3582 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3583 new PackageUserState(), userId); 3584 } 3585 } 3586 return null; 3587 } 3588 3589 @Override 3590 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3591 String resolvedType) { 3592 synchronized (mPackages) { 3593 if (component.equals(mResolveComponentName)) { 3594 // The resolver supports EVERYTHING! 3595 return true; 3596 } 3597 PackageParser.Activity a = mActivities.mActivities.get(component); 3598 if (a == null) { 3599 return false; 3600 } 3601 for (int i=0; i<a.intents.size(); i++) { 3602 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3603 intent.getData(), intent.getCategories(), TAG) >= 0) { 3604 return true; 3605 } 3606 } 3607 return false; 3608 } 3609 } 3610 3611 @Override 3612 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3613 if (!sUserManager.exists(userId)) return null; 3614 flags = updateFlagsForComponent(flags, userId, component); 3615 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3616 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3617 synchronized (mPackages) { 3618 PackageParser.Activity a = mReceivers.mActivities.get(component); 3619 if (DEBUG_PACKAGE_INFO) Log.v( 3620 TAG, "getReceiverInfo " + component + ": " + a); 3621 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3622 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3623 if (ps == null) return null; 3624 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3625 userId); 3626 } 3627 } 3628 return null; 3629 } 3630 3631 @Override 3632 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3633 if (!sUserManager.exists(userId)) return null; 3634 flags = updateFlagsForComponent(flags, userId, component); 3635 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3636 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3637 synchronized (mPackages) { 3638 PackageParser.Service s = mServices.mServices.get(component); 3639 if (DEBUG_PACKAGE_INFO) Log.v( 3640 TAG, "getServiceInfo " + component + ": " + s); 3641 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3642 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3643 if (ps == null) return null; 3644 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3645 userId); 3646 } 3647 } 3648 return null; 3649 } 3650 3651 @Override 3652 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3653 if (!sUserManager.exists(userId)) return null; 3654 flags = updateFlagsForComponent(flags, userId, component); 3655 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3656 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3657 synchronized (mPackages) { 3658 PackageParser.Provider p = mProviders.mProviders.get(component); 3659 if (DEBUG_PACKAGE_INFO) Log.v( 3660 TAG, "getProviderInfo " + component + ": " + p); 3661 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3662 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3663 if (ps == null) return null; 3664 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3665 userId); 3666 } 3667 } 3668 return null; 3669 } 3670 3671 @Override 3672 public String[] getSystemSharedLibraryNames() { 3673 Set<String> libSet; 3674 synchronized (mPackages) { 3675 libSet = mSharedLibraries.keySet(); 3676 int size = libSet.size(); 3677 if (size > 0) { 3678 String[] libs = new String[size]; 3679 libSet.toArray(libs); 3680 return libs; 3681 } 3682 } 3683 return null; 3684 } 3685 3686 @Override 3687 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3688 synchronized (mPackages) { 3689 return mServicesSystemSharedLibraryPackageName; 3690 } 3691 } 3692 3693 @Override 3694 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3695 synchronized (mPackages) { 3696 return mSharedSystemSharedLibraryPackageName; 3697 } 3698 } 3699 3700 @Override 3701 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3702 synchronized (mPackages) { 3703 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3704 3705 final FeatureInfo fi = new FeatureInfo(); 3706 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3707 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3708 res.add(fi); 3709 3710 return new ParceledListSlice<>(res); 3711 } 3712 } 3713 3714 @Override 3715 public boolean hasSystemFeature(String name, int version) { 3716 synchronized (mPackages) { 3717 final FeatureInfo feat = mAvailableFeatures.get(name); 3718 if (feat == null) { 3719 return false; 3720 } else { 3721 return feat.version >= version; 3722 } 3723 } 3724 } 3725 3726 @Override 3727 public int checkPermission(String permName, String pkgName, int userId) { 3728 if (!sUserManager.exists(userId)) { 3729 return PackageManager.PERMISSION_DENIED; 3730 } 3731 3732 synchronized (mPackages) { 3733 final PackageParser.Package p = mPackages.get(pkgName); 3734 if (p != null && p.mExtras != null) { 3735 final PackageSetting ps = (PackageSetting) p.mExtras; 3736 final PermissionsState permissionsState = ps.getPermissionsState(); 3737 if (permissionsState.hasPermission(permName, userId)) { 3738 return PackageManager.PERMISSION_GRANTED; 3739 } 3740 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3741 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3742 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3743 return PackageManager.PERMISSION_GRANTED; 3744 } 3745 } 3746 } 3747 3748 return PackageManager.PERMISSION_DENIED; 3749 } 3750 3751 @Override 3752 public int checkUidPermission(String permName, int uid) { 3753 final int userId = UserHandle.getUserId(uid); 3754 3755 if (!sUserManager.exists(userId)) { 3756 return PackageManager.PERMISSION_DENIED; 3757 } 3758 3759 synchronized (mPackages) { 3760 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3761 if (obj != null) { 3762 final SettingBase ps = (SettingBase) obj; 3763 final PermissionsState permissionsState = ps.getPermissionsState(); 3764 if (permissionsState.hasPermission(permName, userId)) { 3765 return PackageManager.PERMISSION_GRANTED; 3766 } 3767 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3768 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3769 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3770 return PackageManager.PERMISSION_GRANTED; 3771 } 3772 } else { 3773 ArraySet<String> perms = mSystemPermissions.get(uid); 3774 if (perms != null) { 3775 if (perms.contains(permName)) { 3776 return PackageManager.PERMISSION_GRANTED; 3777 } 3778 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3779 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3780 return PackageManager.PERMISSION_GRANTED; 3781 } 3782 } 3783 } 3784 } 3785 3786 return PackageManager.PERMISSION_DENIED; 3787 } 3788 3789 @Override 3790 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3791 if (UserHandle.getCallingUserId() != userId) { 3792 mContext.enforceCallingPermission( 3793 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3794 "isPermissionRevokedByPolicy for user " + userId); 3795 } 3796 3797 if (checkPermission(permission, packageName, userId) 3798 == PackageManager.PERMISSION_GRANTED) { 3799 return false; 3800 } 3801 3802 final long identity = Binder.clearCallingIdentity(); 3803 try { 3804 final int flags = getPermissionFlags(permission, packageName, userId); 3805 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3806 } finally { 3807 Binder.restoreCallingIdentity(identity); 3808 } 3809 } 3810 3811 @Override 3812 public String getPermissionControllerPackageName() { 3813 synchronized (mPackages) { 3814 return mRequiredInstallerPackage; 3815 } 3816 } 3817 3818 /** 3819 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3820 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3821 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3822 * @param message the message to log on security exception 3823 */ 3824 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3825 boolean checkShell, String message) { 3826 if (userId < 0) { 3827 throw new IllegalArgumentException("Invalid userId " + userId); 3828 } 3829 if (checkShell) { 3830 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3831 } 3832 if (userId == UserHandle.getUserId(callingUid)) return; 3833 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3834 if (requireFullPermission) { 3835 mContext.enforceCallingOrSelfPermission( 3836 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3837 } else { 3838 try { 3839 mContext.enforceCallingOrSelfPermission( 3840 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3841 } catch (SecurityException se) { 3842 mContext.enforceCallingOrSelfPermission( 3843 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3844 } 3845 } 3846 } 3847 } 3848 3849 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3850 if (callingUid == Process.SHELL_UID) { 3851 if (userHandle >= 0 3852 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3853 throw new SecurityException("Shell does not have permission to access user " 3854 + userHandle); 3855 } else if (userHandle < 0) { 3856 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3857 + Debug.getCallers(3)); 3858 } 3859 } 3860 } 3861 3862 private BasePermission findPermissionTreeLP(String permName) { 3863 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3864 if (permName.startsWith(bp.name) && 3865 permName.length() > bp.name.length() && 3866 permName.charAt(bp.name.length()) == '.') { 3867 return bp; 3868 } 3869 } 3870 return null; 3871 } 3872 3873 private BasePermission checkPermissionTreeLP(String permName) { 3874 if (permName != null) { 3875 BasePermission bp = findPermissionTreeLP(permName); 3876 if (bp != null) { 3877 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3878 return bp; 3879 } 3880 throw new SecurityException("Calling uid " 3881 + Binder.getCallingUid() 3882 + " is not allowed to add to permission tree " 3883 + bp.name + " owned by uid " + bp.uid); 3884 } 3885 } 3886 throw new SecurityException("No permission tree found for " + permName); 3887 } 3888 3889 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3890 if (s1 == null) { 3891 return s2 == null; 3892 } 3893 if (s2 == null) { 3894 return false; 3895 } 3896 if (s1.getClass() != s2.getClass()) { 3897 return false; 3898 } 3899 return s1.equals(s2); 3900 } 3901 3902 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3903 if (pi1.icon != pi2.icon) return false; 3904 if (pi1.logo != pi2.logo) return false; 3905 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3906 if (!compareStrings(pi1.name, pi2.name)) return false; 3907 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3908 // We'll take care of setting this one. 3909 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3910 // These are not currently stored in settings. 3911 //if (!compareStrings(pi1.group, pi2.group)) return false; 3912 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3913 //if (pi1.labelRes != pi2.labelRes) return false; 3914 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3915 return true; 3916 } 3917 3918 int permissionInfoFootprint(PermissionInfo info) { 3919 int size = info.name.length(); 3920 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3921 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3922 return size; 3923 } 3924 3925 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3926 int size = 0; 3927 for (BasePermission perm : mSettings.mPermissions.values()) { 3928 if (perm.uid == tree.uid) { 3929 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3930 } 3931 } 3932 return size; 3933 } 3934 3935 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3936 // We calculate the max size of permissions defined by this uid and throw 3937 // if that plus the size of 'info' would exceed our stated maximum. 3938 if (tree.uid != Process.SYSTEM_UID) { 3939 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3940 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3941 throw new SecurityException("Permission tree size cap exceeded"); 3942 } 3943 } 3944 } 3945 3946 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3947 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3948 throw new SecurityException("Label must be specified in permission"); 3949 } 3950 BasePermission tree = checkPermissionTreeLP(info.name); 3951 BasePermission bp = mSettings.mPermissions.get(info.name); 3952 boolean added = bp == null; 3953 boolean changed = true; 3954 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3955 if (added) { 3956 enforcePermissionCapLocked(info, tree); 3957 bp = new BasePermission(info.name, tree.sourcePackage, 3958 BasePermission.TYPE_DYNAMIC); 3959 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3960 throw new SecurityException( 3961 "Not allowed to modify non-dynamic permission " 3962 + info.name); 3963 } else { 3964 if (bp.protectionLevel == fixedLevel 3965 && bp.perm.owner.equals(tree.perm.owner) 3966 && bp.uid == tree.uid 3967 && comparePermissionInfos(bp.perm.info, info)) { 3968 changed = false; 3969 } 3970 } 3971 bp.protectionLevel = fixedLevel; 3972 info = new PermissionInfo(info); 3973 info.protectionLevel = fixedLevel; 3974 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3975 bp.perm.info.packageName = tree.perm.info.packageName; 3976 bp.uid = tree.uid; 3977 if (added) { 3978 mSettings.mPermissions.put(info.name, bp); 3979 } 3980 if (changed) { 3981 if (!async) { 3982 mSettings.writeLPr(); 3983 } else { 3984 scheduleWriteSettingsLocked(); 3985 } 3986 } 3987 return added; 3988 } 3989 3990 @Override 3991 public boolean addPermission(PermissionInfo info) { 3992 synchronized (mPackages) { 3993 return addPermissionLocked(info, false); 3994 } 3995 } 3996 3997 @Override 3998 public boolean addPermissionAsync(PermissionInfo info) { 3999 synchronized (mPackages) { 4000 return addPermissionLocked(info, true); 4001 } 4002 } 4003 4004 @Override 4005 public void removePermission(String name) { 4006 synchronized (mPackages) { 4007 checkPermissionTreeLP(name); 4008 BasePermission bp = mSettings.mPermissions.get(name); 4009 if (bp != null) { 4010 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4011 throw new SecurityException( 4012 "Not allowed to modify non-dynamic permission " 4013 + name); 4014 } 4015 mSettings.mPermissions.remove(name); 4016 mSettings.writeLPr(); 4017 } 4018 } 4019 } 4020 4021 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4022 BasePermission bp) { 4023 int index = pkg.requestedPermissions.indexOf(bp.name); 4024 if (index == -1) { 4025 throw new SecurityException("Package " + pkg.packageName 4026 + " has not requested permission " + bp.name); 4027 } 4028 if (!bp.isRuntime() && !bp.isDevelopment()) { 4029 throw new SecurityException("Permission " + bp.name 4030 + " is not a changeable permission type"); 4031 } 4032 } 4033 4034 @Override 4035 public void grantRuntimePermission(String packageName, String name, final int userId) { 4036 if (!sUserManager.exists(userId)) { 4037 Log.e(TAG, "No such user:" + userId); 4038 return; 4039 } 4040 4041 mContext.enforceCallingOrSelfPermission( 4042 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4043 "grantRuntimePermission"); 4044 4045 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4046 true /* requireFullPermission */, true /* checkShell */, 4047 "grantRuntimePermission"); 4048 4049 final int uid; 4050 final SettingBase sb; 4051 4052 synchronized (mPackages) { 4053 final PackageParser.Package pkg = mPackages.get(packageName); 4054 if (pkg == null) { 4055 throw new IllegalArgumentException("Unknown package: " + packageName); 4056 } 4057 4058 final BasePermission bp = mSettings.mPermissions.get(name); 4059 if (bp == null) { 4060 throw new IllegalArgumentException("Unknown permission: " + name); 4061 } 4062 4063 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4064 4065 // If a permission review is required for legacy apps we represent 4066 // their permissions as always granted runtime ones since we need 4067 // to keep the review required permission flag per user while an 4068 // install permission's state is shared across all users. 4069 if (Build.PERMISSIONS_REVIEW_REQUIRED 4070 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4071 && bp.isRuntime()) { 4072 return; 4073 } 4074 4075 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4076 sb = (SettingBase) pkg.mExtras; 4077 if (sb == null) { 4078 throw new IllegalArgumentException("Unknown package: " + packageName); 4079 } 4080 4081 final PermissionsState permissionsState = sb.getPermissionsState(); 4082 4083 final int flags = permissionsState.getPermissionFlags(name, userId); 4084 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4085 throw new SecurityException("Cannot grant system fixed permission " 4086 + name + " for package " + packageName); 4087 } 4088 4089 if (bp.isDevelopment()) { 4090 // Development permissions must be handled specially, since they are not 4091 // normal runtime permissions. For now they apply to all users. 4092 if (permissionsState.grantInstallPermission(bp) != 4093 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4094 scheduleWriteSettingsLocked(); 4095 } 4096 return; 4097 } 4098 4099 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4100 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4101 return; 4102 } 4103 4104 final int result = permissionsState.grantRuntimePermission(bp, userId); 4105 switch (result) { 4106 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4107 return; 4108 } 4109 4110 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4111 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4112 mHandler.post(new Runnable() { 4113 @Override 4114 public void run() { 4115 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4116 } 4117 }); 4118 } 4119 break; 4120 } 4121 4122 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4123 4124 // Not critical if that is lost - app has to request again. 4125 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4126 } 4127 4128 // Only need to do this if user is initialized. Otherwise it's a new user 4129 // and there are no processes running as the user yet and there's no need 4130 // to make an expensive call to remount processes for the changed permissions. 4131 if (READ_EXTERNAL_STORAGE.equals(name) 4132 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4133 final long token = Binder.clearCallingIdentity(); 4134 try { 4135 if (sUserManager.isInitialized(userId)) { 4136 MountServiceInternal mountServiceInternal = LocalServices.getService( 4137 MountServiceInternal.class); 4138 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4139 } 4140 } finally { 4141 Binder.restoreCallingIdentity(token); 4142 } 4143 } 4144 } 4145 4146 @Override 4147 public void revokeRuntimePermission(String packageName, String name, int userId) { 4148 if (!sUserManager.exists(userId)) { 4149 Log.e(TAG, "No such user:" + userId); 4150 return; 4151 } 4152 4153 mContext.enforceCallingOrSelfPermission( 4154 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4155 "revokeRuntimePermission"); 4156 4157 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4158 true /* requireFullPermission */, true /* checkShell */, 4159 "revokeRuntimePermission"); 4160 4161 final int appId; 4162 4163 synchronized (mPackages) { 4164 final PackageParser.Package pkg = mPackages.get(packageName); 4165 if (pkg == null) { 4166 throw new IllegalArgumentException("Unknown package: " + packageName); 4167 } 4168 4169 final BasePermission bp = mSettings.mPermissions.get(name); 4170 if (bp == null) { 4171 throw new IllegalArgumentException("Unknown permission: " + name); 4172 } 4173 4174 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4175 4176 // If a permission review is required for legacy apps we represent 4177 // their permissions as always granted runtime ones since we need 4178 // to keep the review required permission flag per user while an 4179 // install permission's state is shared across all users. 4180 if (Build.PERMISSIONS_REVIEW_REQUIRED 4181 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4182 && bp.isRuntime()) { 4183 return; 4184 } 4185 4186 SettingBase sb = (SettingBase) pkg.mExtras; 4187 if (sb == null) { 4188 throw new IllegalArgumentException("Unknown package: " + packageName); 4189 } 4190 4191 final PermissionsState permissionsState = sb.getPermissionsState(); 4192 4193 final int flags = permissionsState.getPermissionFlags(name, userId); 4194 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4195 throw new SecurityException("Cannot revoke system fixed permission " 4196 + name + " for package " + packageName); 4197 } 4198 4199 if (bp.isDevelopment()) { 4200 // Development permissions must be handled specially, since they are not 4201 // normal runtime permissions. For now they apply to all users. 4202 if (permissionsState.revokeInstallPermission(bp) != 4203 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4204 scheduleWriteSettingsLocked(); 4205 } 4206 return; 4207 } 4208 4209 if (permissionsState.revokeRuntimePermission(bp, userId) == 4210 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4211 return; 4212 } 4213 4214 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4215 4216 // Critical, after this call app should never have the permission. 4217 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4218 4219 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4220 } 4221 4222 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4223 } 4224 4225 @Override 4226 public void resetRuntimePermissions() { 4227 mContext.enforceCallingOrSelfPermission( 4228 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4229 "revokeRuntimePermission"); 4230 4231 int callingUid = Binder.getCallingUid(); 4232 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4233 mContext.enforceCallingOrSelfPermission( 4234 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4235 "resetRuntimePermissions"); 4236 } 4237 4238 synchronized (mPackages) { 4239 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4240 for (int userId : UserManagerService.getInstance().getUserIds()) { 4241 final int packageCount = mPackages.size(); 4242 for (int i = 0; i < packageCount; i++) { 4243 PackageParser.Package pkg = mPackages.valueAt(i); 4244 if (!(pkg.mExtras instanceof PackageSetting)) { 4245 continue; 4246 } 4247 PackageSetting ps = (PackageSetting) pkg.mExtras; 4248 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4249 } 4250 } 4251 } 4252 } 4253 4254 @Override 4255 public int getPermissionFlags(String name, String packageName, int userId) { 4256 if (!sUserManager.exists(userId)) { 4257 return 0; 4258 } 4259 4260 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4261 4262 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4263 true /* requireFullPermission */, false /* checkShell */, 4264 "getPermissionFlags"); 4265 4266 synchronized (mPackages) { 4267 final PackageParser.Package pkg = mPackages.get(packageName); 4268 if (pkg == null) { 4269 throw new IllegalArgumentException("Unknown package: " + packageName); 4270 } 4271 4272 final BasePermission bp = mSettings.mPermissions.get(name); 4273 if (bp == null) { 4274 throw new IllegalArgumentException("Unknown permission: " + name); 4275 } 4276 4277 SettingBase sb = (SettingBase) pkg.mExtras; 4278 if (sb == null) { 4279 throw new IllegalArgumentException("Unknown package: " + packageName); 4280 } 4281 4282 PermissionsState permissionsState = sb.getPermissionsState(); 4283 return permissionsState.getPermissionFlags(name, userId); 4284 } 4285 } 4286 4287 @Override 4288 public void updatePermissionFlags(String name, String packageName, int flagMask, 4289 int flagValues, int userId) { 4290 if (!sUserManager.exists(userId)) { 4291 return; 4292 } 4293 4294 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4295 4296 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4297 true /* requireFullPermission */, true /* checkShell */, 4298 "updatePermissionFlags"); 4299 4300 // Only the system can change these flags and nothing else. 4301 if (getCallingUid() != Process.SYSTEM_UID) { 4302 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4303 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4304 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4305 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4306 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4307 } 4308 4309 synchronized (mPackages) { 4310 final PackageParser.Package pkg = mPackages.get(packageName); 4311 if (pkg == null) { 4312 throw new IllegalArgumentException("Unknown package: " + packageName); 4313 } 4314 4315 final BasePermission bp = mSettings.mPermissions.get(name); 4316 if (bp == null) { 4317 throw new IllegalArgumentException("Unknown permission: " + name); 4318 } 4319 4320 SettingBase sb = (SettingBase) pkg.mExtras; 4321 if (sb == null) { 4322 throw new IllegalArgumentException("Unknown package: " + packageName); 4323 } 4324 4325 PermissionsState permissionsState = sb.getPermissionsState(); 4326 4327 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4328 4329 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4330 // Install and runtime permissions are stored in different places, 4331 // so figure out what permission changed and persist the change. 4332 if (permissionsState.getInstallPermissionState(name) != null) { 4333 scheduleWriteSettingsLocked(); 4334 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4335 || hadState) { 4336 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4337 } 4338 } 4339 } 4340 } 4341 4342 /** 4343 * Update the permission flags for all packages and runtime permissions of a user in order 4344 * to allow device or profile owner to remove POLICY_FIXED. 4345 */ 4346 @Override 4347 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4348 if (!sUserManager.exists(userId)) { 4349 return; 4350 } 4351 4352 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4353 4354 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4355 true /* requireFullPermission */, true /* checkShell */, 4356 "updatePermissionFlagsForAllApps"); 4357 4358 // Only the system can change system fixed flags. 4359 if (getCallingUid() != Process.SYSTEM_UID) { 4360 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4361 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4362 } 4363 4364 synchronized (mPackages) { 4365 boolean changed = false; 4366 final int packageCount = mPackages.size(); 4367 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4368 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4369 SettingBase sb = (SettingBase) pkg.mExtras; 4370 if (sb == null) { 4371 continue; 4372 } 4373 PermissionsState permissionsState = sb.getPermissionsState(); 4374 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4375 userId, flagMask, flagValues); 4376 } 4377 if (changed) { 4378 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4379 } 4380 } 4381 } 4382 4383 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4384 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4385 != PackageManager.PERMISSION_GRANTED 4386 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4387 != PackageManager.PERMISSION_GRANTED) { 4388 throw new SecurityException(message + " requires " 4389 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4390 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4391 } 4392 } 4393 4394 @Override 4395 public boolean shouldShowRequestPermissionRationale(String permissionName, 4396 String packageName, int userId) { 4397 if (UserHandle.getCallingUserId() != userId) { 4398 mContext.enforceCallingPermission( 4399 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4400 "canShowRequestPermissionRationale for user " + userId); 4401 } 4402 4403 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4404 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4405 return false; 4406 } 4407 4408 if (checkPermission(permissionName, packageName, userId) 4409 == PackageManager.PERMISSION_GRANTED) { 4410 return false; 4411 } 4412 4413 final int flags; 4414 4415 final long identity = Binder.clearCallingIdentity(); 4416 try { 4417 flags = getPermissionFlags(permissionName, 4418 packageName, userId); 4419 } finally { 4420 Binder.restoreCallingIdentity(identity); 4421 } 4422 4423 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4424 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4425 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4426 4427 if ((flags & fixedFlags) != 0) { 4428 return false; 4429 } 4430 4431 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4432 } 4433 4434 @Override 4435 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4436 mContext.enforceCallingOrSelfPermission( 4437 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4438 "addOnPermissionsChangeListener"); 4439 4440 synchronized (mPackages) { 4441 mOnPermissionChangeListeners.addListenerLocked(listener); 4442 } 4443 } 4444 4445 @Override 4446 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4447 synchronized (mPackages) { 4448 mOnPermissionChangeListeners.removeListenerLocked(listener); 4449 } 4450 } 4451 4452 @Override 4453 public boolean isProtectedBroadcast(String actionName) { 4454 synchronized (mPackages) { 4455 if (mProtectedBroadcasts.contains(actionName)) { 4456 return true; 4457 } else if (actionName != null) { 4458 // TODO: remove these terrible hacks 4459 if (actionName.startsWith("android.net.netmon.lingerExpired") 4460 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4461 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4462 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4463 return true; 4464 } 4465 } 4466 } 4467 return false; 4468 } 4469 4470 @Override 4471 public int checkSignatures(String pkg1, String pkg2) { 4472 synchronized (mPackages) { 4473 final PackageParser.Package p1 = mPackages.get(pkg1); 4474 final PackageParser.Package p2 = mPackages.get(pkg2); 4475 if (p1 == null || p1.mExtras == null 4476 || p2 == null || p2.mExtras == null) { 4477 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4478 } 4479 return compareSignatures(p1.mSignatures, p2.mSignatures); 4480 } 4481 } 4482 4483 @Override 4484 public int checkUidSignatures(int uid1, int uid2) { 4485 // Map to base uids. 4486 uid1 = UserHandle.getAppId(uid1); 4487 uid2 = UserHandle.getAppId(uid2); 4488 // reader 4489 synchronized (mPackages) { 4490 Signature[] s1; 4491 Signature[] s2; 4492 Object obj = mSettings.getUserIdLPr(uid1); 4493 if (obj != null) { 4494 if (obj instanceof SharedUserSetting) { 4495 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4496 } else if (obj instanceof PackageSetting) { 4497 s1 = ((PackageSetting)obj).signatures.mSignatures; 4498 } else { 4499 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4500 } 4501 } else { 4502 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4503 } 4504 obj = mSettings.getUserIdLPr(uid2); 4505 if (obj != null) { 4506 if (obj instanceof SharedUserSetting) { 4507 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4508 } else if (obj instanceof PackageSetting) { 4509 s2 = ((PackageSetting)obj).signatures.mSignatures; 4510 } else { 4511 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4512 } 4513 } else { 4514 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4515 } 4516 return compareSignatures(s1, s2); 4517 } 4518 } 4519 4520 /** 4521 * This method should typically only be used when granting or revoking 4522 * permissions, since the app may immediately restart after this call. 4523 * <p> 4524 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4525 * guard your work against the app being relaunched. 4526 */ 4527 private void killUid(int appId, int userId, String reason) { 4528 final long identity = Binder.clearCallingIdentity(); 4529 try { 4530 IActivityManager am = ActivityManagerNative.getDefault(); 4531 if (am != null) { 4532 try { 4533 am.killUid(appId, userId, reason); 4534 } catch (RemoteException e) { 4535 /* ignore - same process */ 4536 } 4537 } 4538 } finally { 4539 Binder.restoreCallingIdentity(identity); 4540 } 4541 } 4542 4543 /** 4544 * Compares two sets of signatures. Returns: 4545 * <br /> 4546 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4547 * <br /> 4548 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4549 * <br /> 4550 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4551 * <br /> 4552 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4553 * <br /> 4554 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4555 */ 4556 static int compareSignatures(Signature[] s1, Signature[] s2) { 4557 if (s1 == null) { 4558 return s2 == null 4559 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4560 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4561 } 4562 4563 if (s2 == null) { 4564 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4565 } 4566 4567 if (s1.length != s2.length) { 4568 return PackageManager.SIGNATURE_NO_MATCH; 4569 } 4570 4571 // Since both signature sets are of size 1, we can compare without HashSets. 4572 if (s1.length == 1) { 4573 return s1[0].equals(s2[0]) ? 4574 PackageManager.SIGNATURE_MATCH : 4575 PackageManager.SIGNATURE_NO_MATCH; 4576 } 4577 4578 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4579 for (Signature sig : s1) { 4580 set1.add(sig); 4581 } 4582 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4583 for (Signature sig : s2) { 4584 set2.add(sig); 4585 } 4586 // Make sure s2 contains all signatures in s1. 4587 if (set1.equals(set2)) { 4588 return PackageManager.SIGNATURE_MATCH; 4589 } 4590 return PackageManager.SIGNATURE_NO_MATCH; 4591 } 4592 4593 /** 4594 * If the database version for this type of package (internal storage or 4595 * external storage) is less than the version where package signatures 4596 * were updated, return true. 4597 */ 4598 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4599 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4600 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4601 } 4602 4603 /** 4604 * Used for backward compatibility to make sure any packages with 4605 * certificate chains get upgraded to the new style. {@code existingSigs} 4606 * will be in the old format (since they were stored on disk from before the 4607 * system upgrade) and {@code scannedSigs} will be in the newer format. 4608 */ 4609 private int compareSignaturesCompat(PackageSignatures existingSigs, 4610 PackageParser.Package scannedPkg) { 4611 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4612 return PackageManager.SIGNATURE_NO_MATCH; 4613 } 4614 4615 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4616 for (Signature sig : existingSigs.mSignatures) { 4617 existingSet.add(sig); 4618 } 4619 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4620 for (Signature sig : scannedPkg.mSignatures) { 4621 try { 4622 Signature[] chainSignatures = sig.getChainSignatures(); 4623 for (Signature chainSig : chainSignatures) { 4624 scannedCompatSet.add(chainSig); 4625 } 4626 } catch (CertificateEncodingException e) { 4627 scannedCompatSet.add(sig); 4628 } 4629 } 4630 /* 4631 * Make sure the expanded scanned set contains all signatures in the 4632 * existing one. 4633 */ 4634 if (scannedCompatSet.equals(existingSet)) { 4635 // Migrate the old signatures to the new scheme. 4636 existingSigs.assignSignatures(scannedPkg.mSignatures); 4637 // The new KeySets will be re-added later in the scanning process. 4638 synchronized (mPackages) { 4639 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4640 } 4641 return PackageManager.SIGNATURE_MATCH; 4642 } 4643 return PackageManager.SIGNATURE_NO_MATCH; 4644 } 4645 4646 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4647 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4648 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4649 } 4650 4651 private int compareSignaturesRecover(PackageSignatures existingSigs, 4652 PackageParser.Package scannedPkg) { 4653 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4654 return PackageManager.SIGNATURE_NO_MATCH; 4655 } 4656 4657 String msg = null; 4658 try { 4659 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4660 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4661 + scannedPkg.packageName); 4662 return PackageManager.SIGNATURE_MATCH; 4663 } 4664 } catch (CertificateException e) { 4665 msg = e.getMessage(); 4666 } 4667 4668 logCriticalInfo(Log.INFO, 4669 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4670 return PackageManager.SIGNATURE_NO_MATCH; 4671 } 4672 4673 @Override 4674 public List<String> getAllPackages() { 4675 synchronized (mPackages) { 4676 return new ArrayList<String>(mPackages.keySet()); 4677 } 4678 } 4679 4680 @Override 4681 public String[] getPackagesForUid(int uid) { 4682 uid = UserHandle.getAppId(uid); 4683 // reader 4684 synchronized (mPackages) { 4685 Object obj = mSettings.getUserIdLPr(uid); 4686 if (obj instanceof SharedUserSetting) { 4687 final SharedUserSetting sus = (SharedUserSetting) obj; 4688 final int N = sus.packages.size(); 4689 final String[] res = new String[N]; 4690 final Iterator<PackageSetting> it = sus.packages.iterator(); 4691 int i = 0; 4692 while (it.hasNext()) { 4693 res[i++] = it.next().name; 4694 } 4695 return res; 4696 } else if (obj instanceof PackageSetting) { 4697 final PackageSetting ps = (PackageSetting) obj; 4698 return new String[] { ps.name }; 4699 } 4700 } 4701 return null; 4702 } 4703 4704 @Override 4705 public String getNameForUid(int uid) { 4706 // reader 4707 synchronized (mPackages) { 4708 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4709 if (obj instanceof SharedUserSetting) { 4710 final SharedUserSetting sus = (SharedUserSetting) obj; 4711 return sus.name + ":" + sus.userId; 4712 } else if (obj instanceof PackageSetting) { 4713 final PackageSetting ps = (PackageSetting) obj; 4714 return ps.name; 4715 } 4716 } 4717 return null; 4718 } 4719 4720 @Override 4721 public int getUidForSharedUser(String sharedUserName) { 4722 if(sharedUserName == null) { 4723 return -1; 4724 } 4725 // reader 4726 synchronized (mPackages) { 4727 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4728 if (suid == null) { 4729 return -1; 4730 } 4731 return suid.userId; 4732 } 4733 } 4734 4735 @Override 4736 public int getFlagsForUid(int uid) { 4737 synchronized (mPackages) { 4738 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4739 if (obj instanceof SharedUserSetting) { 4740 final SharedUserSetting sus = (SharedUserSetting) obj; 4741 return sus.pkgFlags; 4742 } else if (obj instanceof PackageSetting) { 4743 final PackageSetting ps = (PackageSetting) obj; 4744 return ps.pkgFlags; 4745 } 4746 } 4747 return 0; 4748 } 4749 4750 @Override 4751 public int getPrivateFlagsForUid(int uid) { 4752 synchronized (mPackages) { 4753 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4754 if (obj instanceof SharedUserSetting) { 4755 final SharedUserSetting sus = (SharedUserSetting) obj; 4756 return sus.pkgPrivateFlags; 4757 } else if (obj instanceof PackageSetting) { 4758 final PackageSetting ps = (PackageSetting) obj; 4759 return ps.pkgPrivateFlags; 4760 } 4761 } 4762 return 0; 4763 } 4764 4765 @Override 4766 public boolean isUidPrivileged(int uid) { 4767 uid = UserHandle.getAppId(uid); 4768 // reader 4769 synchronized (mPackages) { 4770 Object obj = mSettings.getUserIdLPr(uid); 4771 if (obj instanceof SharedUserSetting) { 4772 final SharedUserSetting sus = (SharedUserSetting) obj; 4773 final Iterator<PackageSetting> it = sus.packages.iterator(); 4774 while (it.hasNext()) { 4775 if (it.next().isPrivileged()) { 4776 return true; 4777 } 4778 } 4779 } else if (obj instanceof PackageSetting) { 4780 final PackageSetting ps = (PackageSetting) obj; 4781 return ps.isPrivileged(); 4782 } 4783 } 4784 return false; 4785 } 4786 4787 @Override 4788 public String[] getAppOpPermissionPackages(String permissionName) { 4789 synchronized (mPackages) { 4790 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4791 if (pkgs == null) { 4792 return null; 4793 } 4794 return pkgs.toArray(new String[pkgs.size()]); 4795 } 4796 } 4797 4798 @Override 4799 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4800 int flags, int userId) { 4801 try { 4802 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4803 4804 if (!sUserManager.exists(userId)) return null; 4805 flags = updateFlagsForResolve(flags, userId, intent); 4806 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4807 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4808 4809 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4810 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4811 flags, userId); 4812 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4813 4814 final ResolveInfo bestChoice = 4815 chooseBestActivity(intent, resolvedType, flags, query, userId); 4816 4817 if (isEphemeralAllowed(intent, query, userId)) { 4818 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4819 final EphemeralResolveInfo ai = 4820 getEphemeralResolveInfo(intent, resolvedType, userId); 4821 if (ai != null) { 4822 if (DEBUG_EPHEMERAL) { 4823 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4824 } 4825 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4826 bestChoice.ephemeralResolveInfo = ai; 4827 } 4828 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4829 } 4830 return bestChoice; 4831 } finally { 4832 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4833 } 4834 } 4835 4836 @Override 4837 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4838 IntentFilter filter, int match, ComponentName activity) { 4839 final int userId = UserHandle.getCallingUserId(); 4840 if (DEBUG_PREFERRED) { 4841 Log.v(TAG, "setLastChosenActivity intent=" + intent 4842 + " resolvedType=" + resolvedType 4843 + " flags=" + flags 4844 + " filter=" + filter 4845 + " match=" + match 4846 + " activity=" + activity); 4847 filter.dump(new PrintStreamPrinter(System.out), " "); 4848 } 4849 intent.setComponent(null); 4850 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4851 userId); 4852 // Find any earlier preferred or last chosen entries and nuke them 4853 findPreferredActivity(intent, resolvedType, 4854 flags, query, 0, false, true, false, userId); 4855 // Add the new activity as the last chosen for this filter 4856 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4857 "Setting last chosen"); 4858 } 4859 4860 @Override 4861 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4862 final int userId = UserHandle.getCallingUserId(); 4863 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4864 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4865 userId); 4866 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4867 false, false, false, userId); 4868 } 4869 4870 4871 private boolean isEphemeralAllowed( 4872 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4873 // Short circuit and return early if possible. 4874 if (DISABLE_EPHEMERAL_APPS) { 4875 return false; 4876 } 4877 final int callingUser = UserHandle.getCallingUserId(); 4878 if (callingUser != UserHandle.USER_SYSTEM) { 4879 return false; 4880 } 4881 if (mEphemeralResolverConnection == null) { 4882 return false; 4883 } 4884 if (intent.getComponent() != null) { 4885 return false; 4886 } 4887 if (intent.getPackage() != null) { 4888 return false; 4889 } 4890 final boolean isWebUri = hasWebURI(intent); 4891 if (!isWebUri) { 4892 return false; 4893 } 4894 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4895 synchronized (mPackages) { 4896 final int count = resolvedActivites.size(); 4897 for (int n = 0; n < count; n++) { 4898 ResolveInfo info = resolvedActivites.get(n); 4899 String packageName = info.activityInfo.packageName; 4900 PackageSetting ps = mSettings.mPackages.get(packageName); 4901 if (ps != null) { 4902 // Try to get the status from User settings first 4903 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4904 int status = (int) (packedStatus >> 32); 4905 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4906 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4907 if (DEBUG_EPHEMERAL) { 4908 Slog.v(TAG, "DENY ephemeral apps;" 4909 + " pkg: " + packageName + ", status: " + status); 4910 } 4911 return false; 4912 } 4913 } 4914 } 4915 } 4916 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4917 return true; 4918 } 4919 4920 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4921 int userId) { 4922 MessageDigest digest = null; 4923 try { 4924 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4925 } catch (NoSuchAlgorithmException e) { 4926 // If we can't create a digest, ignore ephemeral apps. 4927 return null; 4928 } 4929 4930 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4931 final byte[] digestBytes = digest.digest(hostBytes); 4932 int shaPrefix = 4933 digestBytes[0] << 24 4934 | digestBytes[1] << 16 4935 | digestBytes[2] << 8 4936 | digestBytes[3] << 0; 4937 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4938 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4939 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4940 // No hash prefix match; there are no ephemeral apps for this domain. 4941 return null; 4942 } 4943 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4944 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4945 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4946 continue; 4947 } 4948 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4949 // No filters; this should never happen. 4950 if (filters.isEmpty()) { 4951 continue; 4952 } 4953 // We have a domain match; resolve the filters to see if anything matches. 4954 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4955 for (int j = filters.size() - 1; j >= 0; --j) { 4956 final EphemeralResolveIntentInfo intentInfo = 4957 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4958 ephemeralResolver.addFilter(intentInfo); 4959 } 4960 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4961 intent, resolvedType, false /*defaultOnly*/, userId); 4962 if (!matchedResolveInfoList.isEmpty()) { 4963 return matchedResolveInfoList.get(0); 4964 } 4965 } 4966 // Hash or filter mis-match; no ephemeral apps for this domain. 4967 return null; 4968 } 4969 4970 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4971 int flags, List<ResolveInfo> query, int userId) { 4972 if (query != null) { 4973 final int N = query.size(); 4974 if (N == 1) { 4975 return query.get(0); 4976 } else if (N > 1) { 4977 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4978 // If there is more than one activity with the same priority, 4979 // then let the user decide between them. 4980 ResolveInfo r0 = query.get(0); 4981 ResolveInfo r1 = query.get(1); 4982 if (DEBUG_INTENT_MATCHING || debug) { 4983 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4984 + r1.activityInfo.name + "=" + r1.priority); 4985 } 4986 // If the first activity has a higher priority, or a different 4987 // default, then it is always desirable to pick it. 4988 if (r0.priority != r1.priority 4989 || r0.preferredOrder != r1.preferredOrder 4990 || r0.isDefault != r1.isDefault) { 4991 return query.get(0); 4992 } 4993 // If we have saved a preference for a preferred activity for 4994 // this Intent, use that. 4995 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4996 flags, query, r0.priority, true, false, debug, userId); 4997 if (ri != null) { 4998 return ri; 4999 } 5000 ri = new ResolveInfo(mResolveInfo); 5001 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5002 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5003 ri.activityInfo.applicationInfo = new ApplicationInfo( 5004 ri.activityInfo.applicationInfo); 5005 if (userId != 0) { 5006 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5007 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5008 } 5009 // Make sure that the resolver is displayable in car mode 5010 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5011 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5012 return ri; 5013 } 5014 } 5015 return null; 5016 } 5017 5018 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5019 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5020 final int N = query.size(); 5021 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5022 .get(userId); 5023 // Get the list of persistent preferred activities that handle the intent 5024 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5025 List<PersistentPreferredActivity> pprefs = ppir != null 5026 ? ppir.queryIntent(intent, resolvedType, 5027 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5028 : null; 5029 if (pprefs != null && pprefs.size() > 0) { 5030 final int M = pprefs.size(); 5031 for (int i=0; i<M; i++) { 5032 final PersistentPreferredActivity ppa = pprefs.get(i); 5033 if (DEBUG_PREFERRED || debug) { 5034 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5035 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5036 + "\n component=" + ppa.mComponent); 5037 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5038 } 5039 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5040 flags | MATCH_DISABLED_COMPONENTS, userId); 5041 if (DEBUG_PREFERRED || debug) { 5042 Slog.v(TAG, "Found persistent preferred activity:"); 5043 if (ai != null) { 5044 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5045 } else { 5046 Slog.v(TAG, " null"); 5047 } 5048 } 5049 if (ai == null) { 5050 // This previously registered persistent preferred activity 5051 // component is no longer known. Ignore it and do NOT remove it. 5052 continue; 5053 } 5054 for (int j=0; j<N; j++) { 5055 final ResolveInfo ri = query.get(j); 5056 if (!ri.activityInfo.applicationInfo.packageName 5057 .equals(ai.applicationInfo.packageName)) { 5058 continue; 5059 } 5060 if (!ri.activityInfo.name.equals(ai.name)) { 5061 continue; 5062 } 5063 // Found a persistent preference that can handle the intent. 5064 if (DEBUG_PREFERRED || debug) { 5065 Slog.v(TAG, "Returning persistent preferred activity: " + 5066 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5067 } 5068 return ri; 5069 } 5070 } 5071 } 5072 return null; 5073 } 5074 5075 // TODO: handle preferred activities missing while user has amnesia 5076 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5077 List<ResolveInfo> query, int priority, boolean always, 5078 boolean removeMatches, boolean debug, int userId) { 5079 if (!sUserManager.exists(userId)) return null; 5080 flags = updateFlagsForResolve(flags, userId, intent); 5081 // writer 5082 synchronized (mPackages) { 5083 if (intent.getSelector() != null) { 5084 intent = intent.getSelector(); 5085 } 5086 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5087 5088 // Try to find a matching persistent preferred activity. 5089 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5090 debug, userId); 5091 5092 // If a persistent preferred activity matched, use it. 5093 if (pri != null) { 5094 return pri; 5095 } 5096 5097 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5098 // Get the list of preferred activities that handle the intent 5099 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5100 List<PreferredActivity> prefs = pir != null 5101 ? pir.queryIntent(intent, resolvedType, 5102 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5103 : null; 5104 if (prefs != null && prefs.size() > 0) { 5105 boolean changed = false; 5106 try { 5107 // First figure out how good the original match set is. 5108 // We will only allow preferred activities that came 5109 // from the same match quality. 5110 int match = 0; 5111 5112 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5113 5114 final int N = query.size(); 5115 for (int j=0; j<N; j++) { 5116 final ResolveInfo ri = query.get(j); 5117 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5118 + ": 0x" + Integer.toHexString(match)); 5119 if (ri.match > match) { 5120 match = ri.match; 5121 } 5122 } 5123 5124 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5125 + Integer.toHexString(match)); 5126 5127 match &= IntentFilter.MATCH_CATEGORY_MASK; 5128 final int M = prefs.size(); 5129 for (int i=0; i<M; i++) { 5130 final PreferredActivity pa = prefs.get(i); 5131 if (DEBUG_PREFERRED || debug) { 5132 Slog.v(TAG, "Checking PreferredActivity ds=" 5133 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5134 + "\n component=" + pa.mPref.mComponent); 5135 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5136 } 5137 if (pa.mPref.mMatch != match) { 5138 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5139 + Integer.toHexString(pa.mPref.mMatch)); 5140 continue; 5141 } 5142 // If it's not an "always" type preferred activity and that's what we're 5143 // looking for, skip it. 5144 if (always && !pa.mPref.mAlways) { 5145 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5146 continue; 5147 } 5148 final ActivityInfo ai = getActivityInfo( 5149 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5150 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5151 userId); 5152 if (DEBUG_PREFERRED || debug) { 5153 Slog.v(TAG, "Found preferred activity:"); 5154 if (ai != null) { 5155 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5156 } else { 5157 Slog.v(TAG, " null"); 5158 } 5159 } 5160 if (ai == null) { 5161 // This previously registered preferred activity 5162 // component is no longer known. Most likely an update 5163 // to the app was installed and in the new version this 5164 // component no longer exists. Clean it up by removing 5165 // it from the preferred activities list, and skip it. 5166 Slog.w(TAG, "Removing dangling preferred activity: " 5167 + pa.mPref.mComponent); 5168 pir.removeFilter(pa); 5169 changed = true; 5170 continue; 5171 } 5172 for (int j=0; j<N; j++) { 5173 final ResolveInfo ri = query.get(j); 5174 if (!ri.activityInfo.applicationInfo.packageName 5175 .equals(ai.applicationInfo.packageName)) { 5176 continue; 5177 } 5178 if (!ri.activityInfo.name.equals(ai.name)) { 5179 continue; 5180 } 5181 5182 if (removeMatches) { 5183 pir.removeFilter(pa); 5184 changed = true; 5185 if (DEBUG_PREFERRED) { 5186 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5187 } 5188 break; 5189 } 5190 5191 // Okay we found a previously set preferred or last chosen app. 5192 // If the result set is different from when this 5193 // was created, we need to clear it and re-ask the 5194 // user their preference, if we're looking for an "always" type entry. 5195 if (always && !pa.mPref.sameSet(query)) { 5196 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5197 + intent + " type " + resolvedType); 5198 if (DEBUG_PREFERRED) { 5199 Slog.v(TAG, "Removing preferred activity since set changed " 5200 + pa.mPref.mComponent); 5201 } 5202 pir.removeFilter(pa); 5203 // Re-add the filter as a "last chosen" entry (!always) 5204 PreferredActivity lastChosen = new PreferredActivity( 5205 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5206 pir.addFilter(lastChosen); 5207 changed = true; 5208 return null; 5209 } 5210 5211 // Yay! Either the set matched or we're looking for the last chosen 5212 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5213 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5214 return ri; 5215 } 5216 } 5217 } finally { 5218 if (changed) { 5219 if (DEBUG_PREFERRED) { 5220 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5221 } 5222 scheduleWritePackageRestrictionsLocked(userId); 5223 } 5224 } 5225 } 5226 } 5227 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5228 return null; 5229 } 5230 5231 /* 5232 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5233 */ 5234 @Override 5235 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5236 int targetUserId) { 5237 mContext.enforceCallingOrSelfPermission( 5238 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5239 List<CrossProfileIntentFilter> matches = 5240 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5241 if (matches != null) { 5242 int size = matches.size(); 5243 for (int i = 0; i < size; i++) { 5244 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5245 } 5246 } 5247 if (hasWebURI(intent)) { 5248 // cross-profile app linking works only towards the parent. 5249 final UserInfo parent = getProfileParent(sourceUserId); 5250 synchronized(mPackages) { 5251 int flags = updateFlagsForResolve(0, parent.id, intent); 5252 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5253 intent, resolvedType, flags, sourceUserId, parent.id); 5254 return xpDomainInfo != null; 5255 } 5256 } 5257 return false; 5258 } 5259 5260 private UserInfo getProfileParent(int userId) { 5261 final long identity = Binder.clearCallingIdentity(); 5262 try { 5263 return sUserManager.getProfileParent(userId); 5264 } finally { 5265 Binder.restoreCallingIdentity(identity); 5266 } 5267 } 5268 5269 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5270 String resolvedType, int userId) { 5271 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5272 if (resolver != null) { 5273 return resolver.queryIntent(intent, resolvedType, false, userId); 5274 } 5275 return null; 5276 } 5277 5278 @Override 5279 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5280 String resolvedType, int flags, int userId) { 5281 try { 5282 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5283 5284 return new ParceledListSlice<>( 5285 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5286 } finally { 5287 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5288 } 5289 } 5290 5291 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5292 String resolvedType, int flags, int userId) { 5293 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5294 flags = updateFlagsForResolve(flags, userId, intent); 5295 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5296 false /* requireFullPermission */, false /* checkShell */, 5297 "query intent activities"); 5298 ComponentName comp = intent.getComponent(); 5299 if (comp == null) { 5300 if (intent.getSelector() != null) { 5301 intent = intent.getSelector(); 5302 comp = intent.getComponent(); 5303 } 5304 } 5305 5306 if (comp != null) { 5307 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5308 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5309 if (ai != null) { 5310 final ResolveInfo ri = new ResolveInfo(); 5311 ri.activityInfo = ai; 5312 list.add(ri); 5313 } 5314 return list; 5315 } 5316 5317 // reader 5318 synchronized (mPackages) { 5319 final String pkgName = intent.getPackage(); 5320 if (pkgName == null) { 5321 List<CrossProfileIntentFilter> matchingFilters = 5322 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5323 // Check for results that need to skip the current profile. 5324 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5325 resolvedType, flags, userId); 5326 if (xpResolveInfo != null) { 5327 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5328 result.add(xpResolveInfo); 5329 return filterIfNotSystemUser(result, userId); 5330 } 5331 5332 // Check for results in the current profile. 5333 List<ResolveInfo> result = mActivities.queryIntent( 5334 intent, resolvedType, flags, userId); 5335 result = filterIfNotSystemUser(result, userId); 5336 5337 // Check for cross profile results. 5338 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5339 xpResolveInfo = queryCrossProfileIntents( 5340 matchingFilters, intent, resolvedType, flags, userId, 5341 hasNonNegativePriorityResult); 5342 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5343 boolean isVisibleToUser = filterIfNotSystemUser( 5344 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5345 if (isVisibleToUser) { 5346 result.add(xpResolveInfo); 5347 Collections.sort(result, mResolvePrioritySorter); 5348 } 5349 } 5350 if (hasWebURI(intent)) { 5351 CrossProfileDomainInfo xpDomainInfo = null; 5352 final UserInfo parent = getProfileParent(userId); 5353 if (parent != null) { 5354 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5355 flags, userId, parent.id); 5356 } 5357 if (xpDomainInfo != null) { 5358 if (xpResolveInfo != null) { 5359 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5360 // in the result. 5361 result.remove(xpResolveInfo); 5362 } 5363 if (result.size() == 0) { 5364 result.add(xpDomainInfo.resolveInfo); 5365 return result; 5366 } 5367 } else if (result.size() <= 1) { 5368 return result; 5369 } 5370 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5371 xpDomainInfo, userId); 5372 Collections.sort(result, mResolvePrioritySorter); 5373 } 5374 return result; 5375 } 5376 final PackageParser.Package pkg = mPackages.get(pkgName); 5377 if (pkg != null) { 5378 return filterIfNotSystemUser( 5379 mActivities.queryIntentForPackage( 5380 intent, resolvedType, flags, pkg.activities, userId), 5381 userId); 5382 } 5383 return new ArrayList<ResolveInfo>(); 5384 } 5385 } 5386 5387 private static class CrossProfileDomainInfo { 5388 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5389 ResolveInfo resolveInfo; 5390 /* Best domain verification status of the activities found in the other profile */ 5391 int bestDomainVerificationStatus; 5392 } 5393 5394 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5395 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5396 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5397 sourceUserId)) { 5398 return null; 5399 } 5400 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5401 resolvedType, flags, parentUserId); 5402 5403 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5404 return null; 5405 } 5406 CrossProfileDomainInfo result = null; 5407 int size = resultTargetUser.size(); 5408 for (int i = 0; i < size; i++) { 5409 ResolveInfo riTargetUser = resultTargetUser.get(i); 5410 // Intent filter verification is only for filters that specify a host. So don't return 5411 // those that handle all web uris. 5412 if (riTargetUser.handleAllWebDataURI) { 5413 continue; 5414 } 5415 String packageName = riTargetUser.activityInfo.packageName; 5416 PackageSetting ps = mSettings.mPackages.get(packageName); 5417 if (ps == null) { 5418 continue; 5419 } 5420 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5421 int status = (int)(verificationState >> 32); 5422 if (result == null) { 5423 result = new CrossProfileDomainInfo(); 5424 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5425 sourceUserId, parentUserId); 5426 result.bestDomainVerificationStatus = status; 5427 } else { 5428 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5429 result.bestDomainVerificationStatus); 5430 } 5431 } 5432 // Don't consider matches with status NEVER across profiles. 5433 if (result != null && result.bestDomainVerificationStatus 5434 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5435 return null; 5436 } 5437 return result; 5438 } 5439 5440 /** 5441 * Verification statuses are ordered from the worse to the best, except for 5442 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5443 */ 5444 private int bestDomainVerificationStatus(int status1, int status2) { 5445 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5446 return status2; 5447 } 5448 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5449 return status1; 5450 } 5451 return (int) MathUtils.max(status1, status2); 5452 } 5453 5454 private boolean isUserEnabled(int userId) { 5455 long callingId = Binder.clearCallingIdentity(); 5456 try { 5457 UserInfo userInfo = sUserManager.getUserInfo(userId); 5458 return userInfo != null && userInfo.isEnabled(); 5459 } finally { 5460 Binder.restoreCallingIdentity(callingId); 5461 } 5462 } 5463 5464 /** 5465 * Filter out activities with systemUserOnly flag set, when current user is not System. 5466 * 5467 * @return filtered list 5468 */ 5469 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5470 if (userId == UserHandle.USER_SYSTEM) { 5471 return resolveInfos; 5472 } 5473 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5474 ResolveInfo info = resolveInfos.get(i); 5475 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5476 resolveInfos.remove(i); 5477 } 5478 } 5479 return resolveInfos; 5480 } 5481 5482 /** 5483 * @param resolveInfos list of resolve infos in descending priority order 5484 * @return if the list contains a resolve info with non-negative priority 5485 */ 5486 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5487 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5488 } 5489 5490 private static boolean hasWebURI(Intent intent) { 5491 if (intent.getData() == null) { 5492 return false; 5493 } 5494 final String scheme = intent.getScheme(); 5495 if (TextUtils.isEmpty(scheme)) { 5496 return false; 5497 } 5498 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5499 } 5500 5501 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5502 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5503 int userId) { 5504 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5505 5506 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5507 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5508 candidates.size()); 5509 } 5510 5511 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5512 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5513 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5514 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5515 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5516 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5517 5518 synchronized (mPackages) { 5519 final int count = candidates.size(); 5520 // First, try to use linked apps. Partition the candidates into four lists: 5521 // one for the final results, one for the "do not use ever", one for "undefined status" 5522 // and finally one for "browser app type". 5523 for (int n=0; n<count; n++) { 5524 ResolveInfo info = candidates.get(n); 5525 String packageName = info.activityInfo.packageName; 5526 PackageSetting ps = mSettings.mPackages.get(packageName); 5527 if (ps != null) { 5528 // Add to the special match all list (Browser use case) 5529 if (info.handleAllWebDataURI) { 5530 matchAllList.add(info); 5531 continue; 5532 } 5533 // Try to get the status from User settings first 5534 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5535 int status = (int)(packedStatus >> 32); 5536 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5537 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5538 if (DEBUG_DOMAIN_VERIFICATION) { 5539 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5540 + " : linkgen=" + linkGeneration); 5541 } 5542 // Use link-enabled generation as preferredOrder, i.e. 5543 // prefer newly-enabled over earlier-enabled. 5544 info.preferredOrder = linkGeneration; 5545 alwaysList.add(info); 5546 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5547 if (DEBUG_DOMAIN_VERIFICATION) { 5548 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5549 } 5550 neverList.add(info); 5551 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5552 if (DEBUG_DOMAIN_VERIFICATION) { 5553 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5554 } 5555 alwaysAskList.add(info); 5556 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5557 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5558 if (DEBUG_DOMAIN_VERIFICATION) { 5559 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5560 } 5561 undefinedList.add(info); 5562 } 5563 } 5564 } 5565 5566 // We'll want to include browser possibilities in a few cases 5567 boolean includeBrowser = false; 5568 5569 // First try to add the "always" resolution(s) for the current user, if any 5570 if (alwaysList.size() > 0) { 5571 result.addAll(alwaysList); 5572 } else { 5573 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5574 result.addAll(undefinedList); 5575 // Maybe add one for the other profile. 5576 if (xpDomainInfo != null && ( 5577 xpDomainInfo.bestDomainVerificationStatus 5578 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5579 result.add(xpDomainInfo.resolveInfo); 5580 } 5581 includeBrowser = true; 5582 } 5583 5584 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5585 // If there were 'always' entries their preferred order has been set, so we also 5586 // back that off to make the alternatives equivalent 5587 if (alwaysAskList.size() > 0) { 5588 for (ResolveInfo i : result) { 5589 i.preferredOrder = 0; 5590 } 5591 result.addAll(alwaysAskList); 5592 includeBrowser = true; 5593 } 5594 5595 if (includeBrowser) { 5596 // Also add browsers (all of them or only the default one) 5597 if (DEBUG_DOMAIN_VERIFICATION) { 5598 Slog.v(TAG, " ...including browsers in candidate set"); 5599 } 5600 if ((matchFlags & MATCH_ALL) != 0) { 5601 result.addAll(matchAllList); 5602 } else { 5603 // Browser/generic handling case. If there's a default browser, go straight 5604 // to that (but only if there is no other higher-priority match). 5605 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5606 int maxMatchPrio = 0; 5607 ResolveInfo defaultBrowserMatch = null; 5608 final int numCandidates = matchAllList.size(); 5609 for (int n = 0; n < numCandidates; n++) { 5610 ResolveInfo info = matchAllList.get(n); 5611 // track the highest overall match priority... 5612 if (info.priority > maxMatchPrio) { 5613 maxMatchPrio = info.priority; 5614 } 5615 // ...and the highest-priority default browser match 5616 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5617 if (defaultBrowserMatch == null 5618 || (defaultBrowserMatch.priority < info.priority)) { 5619 if (debug) { 5620 Slog.v(TAG, "Considering default browser match " + info); 5621 } 5622 defaultBrowserMatch = info; 5623 } 5624 } 5625 } 5626 if (defaultBrowserMatch != null 5627 && defaultBrowserMatch.priority >= maxMatchPrio 5628 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5629 { 5630 if (debug) { 5631 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5632 } 5633 result.add(defaultBrowserMatch); 5634 } else { 5635 result.addAll(matchAllList); 5636 } 5637 } 5638 5639 // If there is nothing selected, add all candidates and remove the ones that the user 5640 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5641 if (result.size() == 0) { 5642 result.addAll(candidates); 5643 result.removeAll(neverList); 5644 } 5645 } 5646 } 5647 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5648 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5649 result.size()); 5650 for (ResolveInfo info : result) { 5651 Slog.v(TAG, " + " + info.activityInfo); 5652 } 5653 } 5654 return result; 5655 } 5656 5657 // Returns a packed value as a long: 5658 // 5659 // high 'int'-sized word: link status: undefined/ask/never/always. 5660 // low 'int'-sized word: relative priority among 'always' results. 5661 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5662 long result = ps.getDomainVerificationStatusForUser(userId); 5663 // if none available, get the master status 5664 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5665 if (ps.getIntentFilterVerificationInfo() != null) { 5666 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5667 } 5668 } 5669 return result; 5670 } 5671 5672 private ResolveInfo querySkipCurrentProfileIntents( 5673 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5674 int flags, int sourceUserId) { 5675 if (matchingFilters != null) { 5676 int size = matchingFilters.size(); 5677 for (int i = 0; i < size; i ++) { 5678 CrossProfileIntentFilter filter = matchingFilters.get(i); 5679 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5680 // Checking if there are activities in the target user that can handle the 5681 // intent. 5682 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5683 resolvedType, flags, sourceUserId); 5684 if (resolveInfo != null) { 5685 return resolveInfo; 5686 } 5687 } 5688 } 5689 } 5690 return null; 5691 } 5692 5693 // Return matching ResolveInfo in target user if any. 5694 private ResolveInfo queryCrossProfileIntents( 5695 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5696 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5697 if (matchingFilters != null) { 5698 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5699 // match the same intent. For performance reasons, it is better not to 5700 // run queryIntent twice for the same userId 5701 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5702 int size = matchingFilters.size(); 5703 for (int i = 0; i < size; i++) { 5704 CrossProfileIntentFilter filter = matchingFilters.get(i); 5705 int targetUserId = filter.getTargetUserId(); 5706 boolean skipCurrentProfile = 5707 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5708 boolean skipCurrentProfileIfNoMatchFound = 5709 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5710 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5711 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5712 // Checking if there are activities in the target user that can handle the 5713 // intent. 5714 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5715 resolvedType, flags, sourceUserId); 5716 if (resolveInfo != null) return resolveInfo; 5717 alreadyTriedUserIds.put(targetUserId, true); 5718 } 5719 } 5720 } 5721 return null; 5722 } 5723 5724 /** 5725 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5726 * will forward the intent to the filter's target user. 5727 * Otherwise, returns null. 5728 */ 5729 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5730 String resolvedType, int flags, int sourceUserId) { 5731 int targetUserId = filter.getTargetUserId(); 5732 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5733 resolvedType, flags, targetUserId); 5734 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5735 // If all the matches in the target profile are suspended, return null. 5736 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5737 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5738 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5739 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5740 targetUserId); 5741 } 5742 } 5743 } 5744 return null; 5745 } 5746 5747 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5748 int sourceUserId, int targetUserId) { 5749 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5750 long ident = Binder.clearCallingIdentity(); 5751 boolean targetIsProfile; 5752 try { 5753 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5754 } finally { 5755 Binder.restoreCallingIdentity(ident); 5756 } 5757 String className; 5758 if (targetIsProfile) { 5759 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5760 } else { 5761 className = FORWARD_INTENT_TO_PARENT; 5762 } 5763 ComponentName forwardingActivityComponentName = new ComponentName( 5764 mAndroidApplication.packageName, className); 5765 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5766 sourceUserId); 5767 if (!targetIsProfile) { 5768 forwardingActivityInfo.showUserIcon = targetUserId; 5769 forwardingResolveInfo.noResourceId = true; 5770 } 5771 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5772 forwardingResolveInfo.priority = 0; 5773 forwardingResolveInfo.preferredOrder = 0; 5774 forwardingResolveInfo.match = 0; 5775 forwardingResolveInfo.isDefault = true; 5776 forwardingResolveInfo.filter = filter; 5777 forwardingResolveInfo.targetUserId = targetUserId; 5778 return forwardingResolveInfo; 5779 } 5780 5781 @Override 5782 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5783 Intent[] specifics, String[] specificTypes, Intent intent, 5784 String resolvedType, int flags, int userId) { 5785 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5786 specificTypes, intent, resolvedType, flags, userId)); 5787 } 5788 5789 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5790 Intent[] specifics, String[] specificTypes, Intent intent, 5791 String resolvedType, int flags, int userId) { 5792 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5793 flags = updateFlagsForResolve(flags, userId, intent); 5794 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5795 false /* requireFullPermission */, false /* checkShell */, 5796 "query intent activity options"); 5797 final String resultsAction = intent.getAction(); 5798 5799 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5800 | PackageManager.GET_RESOLVED_FILTER, userId); 5801 5802 if (DEBUG_INTENT_MATCHING) { 5803 Log.v(TAG, "Query " + intent + ": " + results); 5804 } 5805 5806 int specificsPos = 0; 5807 int N; 5808 5809 // todo: note that the algorithm used here is O(N^2). This 5810 // isn't a problem in our current environment, but if we start running 5811 // into situations where we have more than 5 or 10 matches then this 5812 // should probably be changed to something smarter... 5813 5814 // First we go through and resolve each of the specific items 5815 // that were supplied, taking care of removing any corresponding 5816 // duplicate items in the generic resolve list. 5817 if (specifics != null) { 5818 for (int i=0; i<specifics.length; i++) { 5819 final Intent sintent = specifics[i]; 5820 if (sintent == null) { 5821 continue; 5822 } 5823 5824 if (DEBUG_INTENT_MATCHING) { 5825 Log.v(TAG, "Specific #" + i + ": " + sintent); 5826 } 5827 5828 String action = sintent.getAction(); 5829 if (resultsAction != null && resultsAction.equals(action)) { 5830 // If this action was explicitly requested, then don't 5831 // remove things that have it. 5832 action = null; 5833 } 5834 5835 ResolveInfo ri = null; 5836 ActivityInfo ai = null; 5837 5838 ComponentName comp = sintent.getComponent(); 5839 if (comp == null) { 5840 ri = resolveIntent( 5841 sintent, 5842 specificTypes != null ? specificTypes[i] : null, 5843 flags, userId); 5844 if (ri == null) { 5845 continue; 5846 } 5847 if (ri == mResolveInfo) { 5848 // ACK! Must do something better with this. 5849 } 5850 ai = ri.activityInfo; 5851 comp = new ComponentName(ai.applicationInfo.packageName, 5852 ai.name); 5853 } else { 5854 ai = getActivityInfo(comp, flags, userId); 5855 if (ai == null) { 5856 continue; 5857 } 5858 } 5859 5860 // Look for any generic query activities that are duplicates 5861 // of this specific one, and remove them from the results. 5862 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5863 N = results.size(); 5864 int j; 5865 for (j=specificsPos; j<N; j++) { 5866 ResolveInfo sri = results.get(j); 5867 if ((sri.activityInfo.name.equals(comp.getClassName()) 5868 && sri.activityInfo.applicationInfo.packageName.equals( 5869 comp.getPackageName())) 5870 || (action != null && sri.filter.matchAction(action))) { 5871 results.remove(j); 5872 if (DEBUG_INTENT_MATCHING) Log.v( 5873 TAG, "Removing duplicate item from " + j 5874 + " due to specific " + specificsPos); 5875 if (ri == null) { 5876 ri = sri; 5877 } 5878 j--; 5879 N--; 5880 } 5881 } 5882 5883 // Add this specific item to its proper place. 5884 if (ri == null) { 5885 ri = new ResolveInfo(); 5886 ri.activityInfo = ai; 5887 } 5888 results.add(specificsPos, ri); 5889 ri.specificIndex = i; 5890 specificsPos++; 5891 } 5892 } 5893 5894 // Now we go through the remaining generic results and remove any 5895 // duplicate actions that are found here. 5896 N = results.size(); 5897 for (int i=specificsPos; i<N-1; i++) { 5898 final ResolveInfo rii = results.get(i); 5899 if (rii.filter == null) { 5900 continue; 5901 } 5902 5903 // Iterate over all of the actions of this result's intent 5904 // filter... typically this should be just one. 5905 final Iterator<String> it = rii.filter.actionsIterator(); 5906 if (it == null) { 5907 continue; 5908 } 5909 while (it.hasNext()) { 5910 final String action = it.next(); 5911 if (resultsAction != null && resultsAction.equals(action)) { 5912 // If this action was explicitly requested, then don't 5913 // remove things that have it. 5914 continue; 5915 } 5916 for (int j=i+1; j<N; j++) { 5917 final ResolveInfo rij = results.get(j); 5918 if (rij.filter != null && rij.filter.hasAction(action)) { 5919 results.remove(j); 5920 if (DEBUG_INTENT_MATCHING) Log.v( 5921 TAG, "Removing duplicate item from " + j 5922 + " due to action " + action + " at " + i); 5923 j--; 5924 N--; 5925 } 5926 } 5927 } 5928 5929 // If the caller didn't request filter information, drop it now 5930 // so we don't have to marshall/unmarshall it. 5931 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5932 rii.filter = null; 5933 } 5934 } 5935 5936 // Filter out the caller activity if so requested. 5937 if (caller != null) { 5938 N = results.size(); 5939 for (int i=0; i<N; i++) { 5940 ActivityInfo ainfo = results.get(i).activityInfo; 5941 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5942 && caller.getClassName().equals(ainfo.name)) { 5943 results.remove(i); 5944 break; 5945 } 5946 } 5947 } 5948 5949 // If the caller didn't request filter information, 5950 // drop them now so we don't have to 5951 // marshall/unmarshall it. 5952 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5953 N = results.size(); 5954 for (int i=0; i<N; i++) { 5955 results.get(i).filter = null; 5956 } 5957 } 5958 5959 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5960 return results; 5961 } 5962 5963 @Override 5964 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5965 String resolvedType, int flags, int userId) { 5966 return new ParceledListSlice<>( 5967 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5968 } 5969 5970 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5971 String resolvedType, int flags, int userId) { 5972 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5973 flags = updateFlagsForResolve(flags, userId, intent); 5974 ComponentName comp = intent.getComponent(); 5975 if (comp == null) { 5976 if (intent.getSelector() != null) { 5977 intent = intent.getSelector(); 5978 comp = intent.getComponent(); 5979 } 5980 } 5981 if (comp != null) { 5982 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5983 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5984 if (ai != null) { 5985 ResolveInfo ri = new ResolveInfo(); 5986 ri.activityInfo = ai; 5987 list.add(ri); 5988 } 5989 return list; 5990 } 5991 5992 // reader 5993 synchronized (mPackages) { 5994 String pkgName = intent.getPackage(); 5995 if (pkgName == null) { 5996 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5997 } 5998 final PackageParser.Package pkg = mPackages.get(pkgName); 5999 if (pkg != null) { 6000 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6001 userId); 6002 } 6003 return Collections.emptyList(); 6004 } 6005 } 6006 6007 @Override 6008 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6009 if (!sUserManager.exists(userId)) return null; 6010 flags = updateFlagsForResolve(flags, userId, intent); 6011 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6012 if (query != null) { 6013 if (query.size() >= 1) { 6014 // If there is more than one service with the same priority, 6015 // just arbitrarily pick the first one. 6016 return query.get(0); 6017 } 6018 } 6019 return null; 6020 } 6021 6022 @Override 6023 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6024 String resolvedType, int flags, int userId) { 6025 return new ParceledListSlice<>( 6026 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6027 } 6028 6029 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6030 String resolvedType, int flags, int userId) { 6031 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6032 flags = updateFlagsForResolve(flags, userId, intent); 6033 ComponentName comp = intent.getComponent(); 6034 if (comp == null) { 6035 if (intent.getSelector() != null) { 6036 intent = intent.getSelector(); 6037 comp = intent.getComponent(); 6038 } 6039 } 6040 if (comp != null) { 6041 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6042 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6043 if (si != null) { 6044 final ResolveInfo ri = new ResolveInfo(); 6045 ri.serviceInfo = si; 6046 list.add(ri); 6047 } 6048 return list; 6049 } 6050 6051 // reader 6052 synchronized (mPackages) { 6053 String pkgName = intent.getPackage(); 6054 if (pkgName == null) { 6055 return mServices.queryIntent(intent, resolvedType, flags, userId); 6056 } 6057 final PackageParser.Package pkg = mPackages.get(pkgName); 6058 if (pkg != null) { 6059 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6060 userId); 6061 } 6062 return Collections.emptyList(); 6063 } 6064 } 6065 6066 @Override 6067 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6068 String resolvedType, int flags, int userId) { 6069 return new ParceledListSlice<>( 6070 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6071 } 6072 6073 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6074 Intent intent, String resolvedType, int flags, int userId) { 6075 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6076 flags = updateFlagsForResolve(flags, userId, intent); 6077 ComponentName comp = intent.getComponent(); 6078 if (comp == null) { 6079 if (intent.getSelector() != null) { 6080 intent = intent.getSelector(); 6081 comp = intent.getComponent(); 6082 } 6083 } 6084 if (comp != null) { 6085 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6086 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6087 if (pi != null) { 6088 final ResolveInfo ri = new ResolveInfo(); 6089 ri.providerInfo = pi; 6090 list.add(ri); 6091 } 6092 return list; 6093 } 6094 6095 // reader 6096 synchronized (mPackages) { 6097 String pkgName = intent.getPackage(); 6098 if (pkgName == null) { 6099 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6100 } 6101 final PackageParser.Package pkg = mPackages.get(pkgName); 6102 if (pkg != null) { 6103 return mProviders.queryIntentForPackage( 6104 intent, resolvedType, flags, pkg.providers, userId); 6105 } 6106 return Collections.emptyList(); 6107 } 6108 } 6109 6110 @Override 6111 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6112 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6113 flags = updateFlagsForPackage(flags, userId, null); 6114 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6115 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6116 true /* requireFullPermission */, false /* checkShell */, 6117 "get installed packages"); 6118 6119 // writer 6120 synchronized (mPackages) { 6121 ArrayList<PackageInfo> list; 6122 if (listUninstalled) { 6123 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6124 for (PackageSetting ps : mSettings.mPackages.values()) { 6125 final PackageInfo pi; 6126 if (ps.pkg != null) { 6127 pi = generatePackageInfo(ps, flags, userId); 6128 } else { 6129 pi = generatePackageInfo(ps, flags, userId); 6130 } 6131 if (pi != null) { 6132 list.add(pi); 6133 } 6134 } 6135 } else { 6136 list = new ArrayList<PackageInfo>(mPackages.size()); 6137 for (PackageParser.Package p : mPackages.values()) { 6138 final PackageInfo pi = 6139 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6140 if (pi != null) { 6141 list.add(pi); 6142 } 6143 } 6144 } 6145 6146 return new ParceledListSlice<PackageInfo>(list); 6147 } 6148 } 6149 6150 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6151 String[] permissions, boolean[] tmp, int flags, int userId) { 6152 int numMatch = 0; 6153 final PermissionsState permissionsState = ps.getPermissionsState(); 6154 for (int i=0; i<permissions.length; i++) { 6155 final String permission = permissions[i]; 6156 if (permissionsState.hasPermission(permission, userId)) { 6157 tmp[i] = true; 6158 numMatch++; 6159 } else { 6160 tmp[i] = false; 6161 } 6162 } 6163 if (numMatch == 0) { 6164 return; 6165 } 6166 final PackageInfo pi; 6167 if (ps.pkg != null) { 6168 pi = generatePackageInfo(ps, flags, userId); 6169 } else { 6170 pi = generatePackageInfo(ps, flags, userId); 6171 } 6172 // The above might return null in cases of uninstalled apps or install-state 6173 // skew across users/profiles. 6174 if (pi != null) { 6175 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6176 if (numMatch == permissions.length) { 6177 pi.requestedPermissions = permissions; 6178 } else { 6179 pi.requestedPermissions = new String[numMatch]; 6180 numMatch = 0; 6181 for (int i=0; i<permissions.length; i++) { 6182 if (tmp[i]) { 6183 pi.requestedPermissions[numMatch] = permissions[i]; 6184 numMatch++; 6185 } 6186 } 6187 } 6188 } 6189 list.add(pi); 6190 } 6191 } 6192 6193 @Override 6194 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6195 String[] permissions, int flags, int userId) { 6196 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6197 flags = updateFlagsForPackage(flags, userId, permissions); 6198 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6199 6200 // writer 6201 synchronized (mPackages) { 6202 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6203 boolean[] tmpBools = new boolean[permissions.length]; 6204 if (listUninstalled) { 6205 for (PackageSetting ps : mSettings.mPackages.values()) { 6206 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6207 } 6208 } else { 6209 for (PackageParser.Package pkg : mPackages.values()) { 6210 PackageSetting ps = (PackageSetting)pkg.mExtras; 6211 if (ps != null) { 6212 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6213 userId); 6214 } 6215 } 6216 } 6217 6218 return new ParceledListSlice<PackageInfo>(list); 6219 } 6220 } 6221 6222 @Override 6223 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6224 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6225 flags = updateFlagsForApplication(flags, userId, null); 6226 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6227 6228 // writer 6229 synchronized (mPackages) { 6230 ArrayList<ApplicationInfo> list; 6231 if (listUninstalled) { 6232 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6233 for (PackageSetting ps : mSettings.mPackages.values()) { 6234 ApplicationInfo ai; 6235 if (ps.pkg != null) { 6236 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6237 ps.readUserState(userId), userId); 6238 } else { 6239 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6240 } 6241 if (ai != null) { 6242 list.add(ai); 6243 } 6244 } 6245 } else { 6246 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6247 for (PackageParser.Package p : mPackages.values()) { 6248 if (p.mExtras != null) { 6249 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6250 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6251 if (ai != null) { 6252 list.add(ai); 6253 } 6254 } 6255 } 6256 } 6257 6258 return new ParceledListSlice<ApplicationInfo>(list); 6259 } 6260 } 6261 6262 @Override 6263 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6264 if (DISABLE_EPHEMERAL_APPS) { 6265 return null; 6266 } 6267 6268 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6269 "getEphemeralApplications"); 6270 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6271 true /* requireFullPermission */, false /* checkShell */, 6272 "getEphemeralApplications"); 6273 synchronized (mPackages) { 6274 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6275 .getEphemeralApplicationsLPw(userId); 6276 if (ephemeralApps != null) { 6277 return new ParceledListSlice<>(ephemeralApps); 6278 } 6279 } 6280 return null; 6281 } 6282 6283 @Override 6284 public boolean isEphemeralApplication(String packageName, int userId) { 6285 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6286 true /* requireFullPermission */, false /* checkShell */, 6287 "isEphemeral"); 6288 if (DISABLE_EPHEMERAL_APPS) { 6289 return false; 6290 } 6291 6292 if (!isCallerSameApp(packageName)) { 6293 return false; 6294 } 6295 synchronized (mPackages) { 6296 PackageParser.Package pkg = mPackages.get(packageName); 6297 if (pkg != null) { 6298 return pkg.applicationInfo.isEphemeralApp(); 6299 } 6300 } 6301 return false; 6302 } 6303 6304 @Override 6305 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6306 if (DISABLE_EPHEMERAL_APPS) { 6307 return null; 6308 } 6309 6310 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6311 true /* requireFullPermission */, false /* checkShell */, 6312 "getCookie"); 6313 if (!isCallerSameApp(packageName)) { 6314 return null; 6315 } 6316 synchronized (mPackages) { 6317 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6318 packageName, userId); 6319 } 6320 } 6321 6322 @Override 6323 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6324 if (DISABLE_EPHEMERAL_APPS) { 6325 return true; 6326 } 6327 6328 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6329 true /* requireFullPermission */, true /* checkShell */, 6330 "setCookie"); 6331 if (!isCallerSameApp(packageName)) { 6332 return false; 6333 } 6334 synchronized (mPackages) { 6335 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6336 packageName, cookie, userId); 6337 } 6338 } 6339 6340 @Override 6341 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6342 if (DISABLE_EPHEMERAL_APPS) { 6343 return null; 6344 } 6345 6346 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6347 "getEphemeralApplicationIcon"); 6348 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6349 true /* requireFullPermission */, false /* checkShell */, 6350 "getEphemeralApplicationIcon"); 6351 synchronized (mPackages) { 6352 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6353 packageName, userId); 6354 } 6355 } 6356 6357 private boolean isCallerSameApp(String packageName) { 6358 PackageParser.Package pkg = mPackages.get(packageName); 6359 return pkg != null 6360 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6361 } 6362 6363 @Override 6364 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6365 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6366 } 6367 6368 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6369 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6370 6371 // reader 6372 synchronized (mPackages) { 6373 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6374 final int userId = UserHandle.getCallingUserId(); 6375 while (i.hasNext()) { 6376 final PackageParser.Package p = i.next(); 6377 if (p.applicationInfo == null) continue; 6378 6379 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6380 && !p.applicationInfo.isDirectBootAware(); 6381 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6382 && p.applicationInfo.isDirectBootAware(); 6383 6384 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6385 && (!mSafeMode || isSystemApp(p)) 6386 && (matchesUnaware || matchesAware)) { 6387 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6388 if (ps != null) { 6389 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6390 ps.readUserState(userId), userId); 6391 if (ai != null) { 6392 finalList.add(ai); 6393 } 6394 } 6395 } 6396 } 6397 } 6398 6399 return finalList; 6400 } 6401 6402 @Override 6403 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6404 if (!sUserManager.exists(userId)) return null; 6405 flags = updateFlagsForComponent(flags, userId, name); 6406 // reader 6407 synchronized (mPackages) { 6408 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6409 PackageSetting ps = provider != null 6410 ? mSettings.mPackages.get(provider.owner.packageName) 6411 : null; 6412 return ps != null 6413 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6414 ? PackageParser.generateProviderInfo(provider, flags, 6415 ps.readUserState(userId), userId) 6416 : null; 6417 } 6418 } 6419 6420 /** 6421 * @deprecated 6422 */ 6423 @Deprecated 6424 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6425 // reader 6426 synchronized (mPackages) { 6427 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6428 .entrySet().iterator(); 6429 final int userId = UserHandle.getCallingUserId(); 6430 while (i.hasNext()) { 6431 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6432 PackageParser.Provider p = entry.getValue(); 6433 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6434 6435 if (ps != null && p.syncable 6436 && (!mSafeMode || (p.info.applicationInfo.flags 6437 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6438 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6439 ps.readUserState(userId), userId); 6440 if (info != null) { 6441 outNames.add(entry.getKey()); 6442 outInfo.add(info); 6443 } 6444 } 6445 } 6446 } 6447 } 6448 6449 @Override 6450 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6451 int uid, int flags) { 6452 final int userId = processName != null ? UserHandle.getUserId(uid) 6453 : UserHandle.getCallingUserId(); 6454 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6455 flags = updateFlagsForComponent(flags, userId, processName); 6456 6457 ArrayList<ProviderInfo> finalList = null; 6458 // reader 6459 synchronized (mPackages) { 6460 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6461 while (i.hasNext()) { 6462 final PackageParser.Provider p = i.next(); 6463 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6464 if (ps != null && p.info.authority != null 6465 && (processName == null 6466 || (p.info.processName.equals(processName) 6467 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6468 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6469 if (finalList == null) { 6470 finalList = new ArrayList<ProviderInfo>(3); 6471 } 6472 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6473 ps.readUserState(userId), userId); 6474 if (info != null) { 6475 finalList.add(info); 6476 } 6477 } 6478 } 6479 } 6480 6481 if (finalList != null) { 6482 Collections.sort(finalList, mProviderInitOrderSorter); 6483 return new ParceledListSlice<ProviderInfo>(finalList); 6484 } 6485 6486 return ParceledListSlice.emptyList(); 6487 } 6488 6489 @Override 6490 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6491 // reader 6492 synchronized (mPackages) { 6493 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6494 return PackageParser.generateInstrumentationInfo(i, flags); 6495 } 6496 } 6497 6498 @Override 6499 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6500 String targetPackage, int flags) { 6501 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6502 } 6503 6504 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6505 int flags) { 6506 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6507 6508 // reader 6509 synchronized (mPackages) { 6510 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6511 while (i.hasNext()) { 6512 final PackageParser.Instrumentation p = i.next(); 6513 if (targetPackage == null 6514 || targetPackage.equals(p.info.targetPackage)) { 6515 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6516 flags); 6517 if (ii != null) { 6518 finalList.add(ii); 6519 } 6520 } 6521 } 6522 } 6523 6524 return finalList; 6525 } 6526 6527 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6528 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6529 if (overlays == null) { 6530 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6531 return; 6532 } 6533 for (PackageParser.Package opkg : overlays.values()) { 6534 // Not much to do if idmap fails: we already logged the error 6535 // and we certainly don't want to abort installation of pkg simply 6536 // because an overlay didn't fit properly. For these reasons, 6537 // ignore the return value of createIdmapForPackagePairLI. 6538 createIdmapForPackagePairLI(pkg, opkg); 6539 } 6540 } 6541 6542 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6543 PackageParser.Package opkg) { 6544 if (!opkg.mTrustedOverlay) { 6545 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6546 opkg.baseCodePath + ": overlay not trusted"); 6547 return false; 6548 } 6549 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6550 if (overlaySet == null) { 6551 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6552 opkg.baseCodePath + " but target package has no known overlays"); 6553 return false; 6554 } 6555 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6556 // TODO: generate idmap for split APKs 6557 try { 6558 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6559 } catch (InstallerException e) { 6560 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6561 + opkg.baseCodePath); 6562 return false; 6563 } 6564 PackageParser.Package[] overlayArray = 6565 overlaySet.values().toArray(new PackageParser.Package[0]); 6566 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6567 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6568 return p1.mOverlayPriority - p2.mOverlayPriority; 6569 } 6570 }; 6571 Arrays.sort(overlayArray, cmp); 6572 6573 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6574 int i = 0; 6575 for (PackageParser.Package p : overlayArray) { 6576 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6577 } 6578 return true; 6579 } 6580 6581 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6582 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6583 try { 6584 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6585 } finally { 6586 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6587 } 6588 } 6589 6590 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6591 final File[] files = dir.listFiles(); 6592 if (ArrayUtils.isEmpty(files)) { 6593 Log.d(TAG, "No files in app dir " + dir); 6594 return; 6595 } 6596 6597 if (DEBUG_PACKAGE_SCANNING) { 6598 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6599 + " flags=0x" + Integer.toHexString(parseFlags)); 6600 } 6601 6602 for (File file : files) { 6603 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6604 && !PackageInstallerService.isStageName(file.getName()); 6605 if (!isPackage) { 6606 // Ignore entries which are not packages 6607 continue; 6608 } 6609 try { 6610 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6611 scanFlags, currentTime, null); 6612 } catch (PackageManagerException e) { 6613 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6614 6615 // Delete invalid userdata apps 6616 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6617 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6618 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6619 removeCodePathLI(file); 6620 } 6621 } 6622 } 6623 } 6624 6625 private static File getSettingsProblemFile() { 6626 File dataDir = Environment.getDataDirectory(); 6627 File systemDir = new File(dataDir, "system"); 6628 File fname = new File(systemDir, "uiderrors.txt"); 6629 return fname; 6630 } 6631 6632 static void reportSettingsProblem(int priority, String msg) { 6633 logCriticalInfo(priority, msg); 6634 } 6635 6636 static void logCriticalInfo(int priority, String msg) { 6637 Slog.println(priority, TAG, msg); 6638 EventLogTags.writePmCriticalInfo(msg); 6639 try { 6640 File fname = getSettingsProblemFile(); 6641 FileOutputStream out = new FileOutputStream(fname, true); 6642 PrintWriter pw = new FastPrintWriter(out); 6643 SimpleDateFormat formatter = new SimpleDateFormat(); 6644 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6645 pw.println(dateString + ": " + msg); 6646 pw.close(); 6647 FileUtils.setPermissions( 6648 fname.toString(), 6649 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6650 -1, -1); 6651 } catch (java.io.IOException e) { 6652 } 6653 } 6654 6655 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6656 final int policyFlags) throws PackageManagerException { 6657 if (ps != null 6658 && ps.codePath.equals(srcFile) 6659 && ps.timeStamp == srcFile.lastModified() 6660 && !isCompatSignatureUpdateNeeded(pkg) 6661 && !isRecoverSignatureUpdateNeeded(pkg)) { 6662 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6663 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6664 ArraySet<PublicKey> signingKs; 6665 synchronized (mPackages) { 6666 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6667 } 6668 if (ps.signatures.mSignatures != null 6669 && ps.signatures.mSignatures.length != 0 6670 && signingKs != null) { 6671 // Optimization: reuse the existing cached certificates 6672 // if the package appears to be unchanged. 6673 pkg.mSignatures = ps.signatures.mSignatures; 6674 pkg.mSigningKeys = signingKs; 6675 return; 6676 } 6677 6678 Slog.w(TAG, "PackageSetting for " + ps.name 6679 + " is missing signatures. Collecting certs again to recover them."); 6680 } else { 6681 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6682 } 6683 6684 try { 6685 PackageParser.collectCertificates(pkg, policyFlags); 6686 } catch (PackageParserException e) { 6687 throw PackageManagerException.from(e); 6688 } 6689 } 6690 6691 /** 6692 * Traces a package scan. 6693 * @see #scanPackageLI(File, int, int, long, UserHandle) 6694 */ 6695 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6696 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6697 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6698 try { 6699 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6700 } finally { 6701 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6702 } 6703 } 6704 6705 /** 6706 * Scans a package and returns the newly parsed package. 6707 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6708 */ 6709 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6710 long currentTime, UserHandle user) throws PackageManagerException { 6711 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6712 PackageParser pp = new PackageParser(); 6713 pp.setSeparateProcesses(mSeparateProcesses); 6714 pp.setOnlyCoreApps(mOnlyCore); 6715 pp.setDisplayMetrics(mMetrics); 6716 6717 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6718 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6719 } 6720 6721 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6722 final PackageParser.Package pkg; 6723 try { 6724 pkg = pp.parsePackage(scanFile, parseFlags); 6725 } catch (PackageParserException e) { 6726 throw PackageManagerException.from(e); 6727 } finally { 6728 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6729 } 6730 6731 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6732 } 6733 6734 /** 6735 * Scans a package and returns the newly parsed package. 6736 * @throws PackageManagerException on a parse error. 6737 */ 6738 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6739 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6740 throws PackageManagerException { 6741 // If the package has children and this is the first dive in the function 6742 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6743 // packages (parent and children) would be successfully scanned before the 6744 // actual scan since scanning mutates internal state and we want to atomically 6745 // install the package and its children. 6746 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6747 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6748 scanFlags |= SCAN_CHECK_ONLY; 6749 } 6750 } else { 6751 scanFlags &= ~SCAN_CHECK_ONLY; 6752 } 6753 6754 // Scan the parent 6755 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6756 scanFlags, currentTime, user); 6757 6758 // Scan the children 6759 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6760 for (int i = 0; i < childCount; i++) { 6761 PackageParser.Package childPackage = pkg.childPackages.get(i); 6762 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6763 currentTime, user); 6764 } 6765 6766 6767 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6768 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6769 } 6770 6771 return scannedPkg; 6772 } 6773 6774 /** 6775 * Scans a package and returns the newly parsed package. 6776 * @throws PackageManagerException on a parse error. 6777 */ 6778 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6779 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6780 throws PackageManagerException { 6781 PackageSetting ps = null; 6782 PackageSetting updatedPkg; 6783 // reader 6784 synchronized (mPackages) { 6785 // Look to see if we already know about this package. 6786 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6787 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6788 // This package has been renamed to its original name. Let's 6789 // use that. 6790 ps = mSettings.peekPackageLPr(oldName); 6791 } 6792 // If there was no original package, see one for the real package name. 6793 if (ps == null) { 6794 ps = mSettings.peekPackageLPr(pkg.packageName); 6795 } 6796 // Check to see if this package could be hiding/updating a system 6797 // package. Must look for it either under the original or real 6798 // package name depending on our state. 6799 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6800 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6801 6802 // If this is a package we don't know about on the system partition, we 6803 // may need to remove disabled child packages on the system partition 6804 // or may need to not add child packages if the parent apk is updated 6805 // on the data partition and no longer defines this child package. 6806 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6807 // If this is a parent package for an updated system app and this system 6808 // app got an OTA update which no longer defines some of the child packages 6809 // we have to prune them from the disabled system packages. 6810 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6811 if (disabledPs != null) { 6812 final int scannedChildCount = (pkg.childPackages != null) 6813 ? pkg.childPackages.size() : 0; 6814 final int disabledChildCount = disabledPs.childPackageNames != null 6815 ? disabledPs.childPackageNames.size() : 0; 6816 for (int i = 0; i < disabledChildCount; i++) { 6817 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6818 boolean disabledPackageAvailable = false; 6819 for (int j = 0; j < scannedChildCount; j++) { 6820 PackageParser.Package childPkg = pkg.childPackages.get(j); 6821 if (childPkg.packageName.equals(disabledChildPackageName)) { 6822 disabledPackageAvailable = true; 6823 break; 6824 } 6825 } 6826 if (!disabledPackageAvailable) { 6827 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6828 } 6829 } 6830 } 6831 } 6832 } 6833 6834 boolean updatedPkgBetter = false; 6835 // First check if this is a system package that may involve an update 6836 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6837 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6838 // it needs to drop FLAG_PRIVILEGED. 6839 if (locationIsPrivileged(scanFile)) { 6840 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6841 } else { 6842 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6843 } 6844 6845 if (ps != null && !ps.codePath.equals(scanFile)) { 6846 // The path has changed from what was last scanned... check the 6847 // version of the new path against what we have stored to determine 6848 // what to do. 6849 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6850 if (pkg.mVersionCode <= ps.versionCode) { 6851 // The system package has been updated and the code path does not match 6852 // Ignore entry. Skip it. 6853 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6854 + " ignored: updated version " + ps.versionCode 6855 + " better than this " + pkg.mVersionCode); 6856 if (!updatedPkg.codePath.equals(scanFile)) { 6857 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6858 + ps.name + " changing from " + updatedPkg.codePathString 6859 + " to " + scanFile); 6860 updatedPkg.codePath = scanFile; 6861 updatedPkg.codePathString = scanFile.toString(); 6862 updatedPkg.resourcePath = scanFile; 6863 updatedPkg.resourcePathString = scanFile.toString(); 6864 } 6865 updatedPkg.pkg = pkg; 6866 updatedPkg.versionCode = pkg.mVersionCode; 6867 6868 // Update the disabled system child packages to point to the package too. 6869 final int childCount = updatedPkg.childPackageNames != null 6870 ? updatedPkg.childPackageNames.size() : 0; 6871 for (int i = 0; i < childCount; i++) { 6872 String childPackageName = updatedPkg.childPackageNames.get(i); 6873 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6874 childPackageName); 6875 if (updatedChildPkg != null) { 6876 updatedChildPkg.pkg = pkg; 6877 updatedChildPkg.versionCode = pkg.mVersionCode; 6878 } 6879 } 6880 6881 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6882 + scanFile + " ignored: updated version " + ps.versionCode 6883 + " better than this " + pkg.mVersionCode); 6884 } else { 6885 // The current app on the system partition is better than 6886 // what we have updated to on the data partition; switch 6887 // back to the system partition version. 6888 // At this point, its safely assumed that package installation for 6889 // apps in system partition will go through. If not there won't be a working 6890 // version of the app 6891 // writer 6892 synchronized (mPackages) { 6893 // Just remove the loaded entries from package lists. 6894 mPackages.remove(ps.name); 6895 } 6896 6897 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6898 + " reverting from " + ps.codePathString 6899 + ": new version " + pkg.mVersionCode 6900 + " better than installed " + ps.versionCode); 6901 6902 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6903 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6904 synchronized (mInstallLock) { 6905 args.cleanUpResourcesLI(); 6906 } 6907 synchronized (mPackages) { 6908 mSettings.enableSystemPackageLPw(ps.name); 6909 } 6910 updatedPkgBetter = true; 6911 } 6912 } 6913 } 6914 6915 if (updatedPkg != null) { 6916 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6917 // initially 6918 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6919 6920 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6921 // flag set initially 6922 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6923 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6924 } 6925 } 6926 6927 // Verify certificates against what was last scanned 6928 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6929 6930 /* 6931 * A new system app appeared, but we already had a non-system one of the 6932 * same name installed earlier. 6933 */ 6934 boolean shouldHideSystemApp = false; 6935 if (updatedPkg == null && ps != null 6936 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6937 /* 6938 * Check to make sure the signatures match first. If they don't, 6939 * wipe the installed application and its data. 6940 */ 6941 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6942 != PackageManager.SIGNATURE_MATCH) { 6943 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6944 + " signatures don't match existing userdata copy; removing"); 6945 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6946 "scanPackageInternalLI")) { 6947 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6948 } 6949 ps = null; 6950 } else { 6951 /* 6952 * If the newly-added system app is an older version than the 6953 * already installed version, hide it. It will be scanned later 6954 * and re-added like an update. 6955 */ 6956 if (pkg.mVersionCode <= ps.versionCode) { 6957 shouldHideSystemApp = true; 6958 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6959 + " but new version " + pkg.mVersionCode + " better than installed " 6960 + ps.versionCode + "; hiding system"); 6961 } else { 6962 /* 6963 * The newly found system app is a newer version that the 6964 * one previously installed. Simply remove the 6965 * already-installed application and replace it with our own 6966 * while keeping the application data. 6967 */ 6968 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6969 + " reverting from " + ps.codePathString + ": new version " 6970 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6971 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6972 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6973 synchronized (mInstallLock) { 6974 args.cleanUpResourcesLI(); 6975 } 6976 } 6977 } 6978 } 6979 6980 // The apk is forward locked (not public) if its code and resources 6981 // are kept in different files. (except for app in either system or 6982 // vendor path). 6983 // TODO grab this value from PackageSettings 6984 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6985 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6986 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6987 } 6988 } 6989 6990 // TODO: extend to support forward-locked splits 6991 String resourcePath = null; 6992 String baseResourcePath = null; 6993 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6994 if (ps != null && ps.resourcePathString != null) { 6995 resourcePath = ps.resourcePathString; 6996 baseResourcePath = ps.resourcePathString; 6997 } else { 6998 // Should not happen at all. Just log an error. 6999 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7000 } 7001 } else { 7002 resourcePath = pkg.codePath; 7003 baseResourcePath = pkg.baseCodePath; 7004 } 7005 7006 // Set application objects path explicitly. 7007 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7008 pkg.setApplicationInfoCodePath(pkg.codePath); 7009 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7010 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7011 pkg.setApplicationInfoResourcePath(resourcePath); 7012 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7013 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7014 7015 // Note that we invoke the following method only if we are about to unpack an application 7016 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7017 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7018 7019 /* 7020 * If the system app should be overridden by a previously installed 7021 * data, hide the system app now and let the /data/app scan pick it up 7022 * again. 7023 */ 7024 if (shouldHideSystemApp) { 7025 synchronized (mPackages) { 7026 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7027 } 7028 } 7029 7030 return scannedPkg; 7031 } 7032 7033 private static String fixProcessName(String defProcessName, 7034 String processName, int uid) { 7035 if (processName == null) { 7036 return defProcessName; 7037 } 7038 return processName; 7039 } 7040 7041 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7042 throws PackageManagerException { 7043 if (pkgSetting.signatures.mSignatures != null) { 7044 // Already existing package. Make sure signatures match 7045 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7046 == PackageManager.SIGNATURE_MATCH; 7047 if (!match) { 7048 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7049 == PackageManager.SIGNATURE_MATCH; 7050 } 7051 if (!match) { 7052 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7053 == PackageManager.SIGNATURE_MATCH; 7054 } 7055 if (!match) { 7056 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7057 + pkg.packageName + " signatures do not match the " 7058 + "previously installed version; ignoring!"); 7059 } 7060 } 7061 7062 // Check for shared user signatures 7063 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7064 // Already existing package. Make sure signatures match 7065 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7066 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7067 if (!match) { 7068 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7069 == PackageManager.SIGNATURE_MATCH; 7070 } 7071 if (!match) { 7072 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7073 == PackageManager.SIGNATURE_MATCH; 7074 } 7075 if (!match) { 7076 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7077 "Package " + pkg.packageName 7078 + " has no signatures that match those in shared user " 7079 + pkgSetting.sharedUser.name + "; ignoring!"); 7080 } 7081 } 7082 } 7083 7084 /** 7085 * Enforces that only the system UID or root's UID can call a method exposed 7086 * via Binder. 7087 * 7088 * @param message used as message if SecurityException is thrown 7089 * @throws SecurityException if the caller is not system or root 7090 */ 7091 private static final void enforceSystemOrRoot(String message) { 7092 final int uid = Binder.getCallingUid(); 7093 if (uid != Process.SYSTEM_UID && uid != 0) { 7094 throw new SecurityException(message); 7095 } 7096 } 7097 7098 @Override 7099 public void performFstrimIfNeeded() { 7100 enforceSystemOrRoot("Only the system can request fstrim"); 7101 7102 // Before everything else, see whether we need to fstrim. 7103 try { 7104 IMountService ms = PackageHelper.getMountService(); 7105 if (ms != null) { 7106 final boolean isUpgrade = isUpgrade(); 7107 boolean doTrim = isUpgrade; 7108 if (doTrim) { 7109 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7110 } else { 7111 final long interval = android.provider.Settings.Global.getLong( 7112 mContext.getContentResolver(), 7113 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7114 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7115 if (interval > 0) { 7116 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7117 if (timeSinceLast > interval) { 7118 doTrim = true; 7119 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7120 + "; running immediately"); 7121 } 7122 } 7123 } 7124 if (doTrim) { 7125 if (!isFirstBoot()) { 7126 try { 7127 ActivityManagerNative.getDefault().showBootMessage( 7128 mContext.getResources().getString( 7129 R.string.android_upgrading_fstrim), true); 7130 } catch (RemoteException e) { 7131 } 7132 } 7133 ms.runMaintenance(); 7134 } 7135 } else { 7136 Slog.e(TAG, "Mount service unavailable!"); 7137 } 7138 } catch (RemoteException e) { 7139 // Can't happen; MountService is local 7140 } 7141 } 7142 7143 @Override 7144 public void updatePackagesIfNeeded() { 7145 enforceSystemOrRoot("Only the system can request package update"); 7146 7147 // We need to re-extract after an OTA. 7148 boolean causeUpgrade = isUpgrade(); 7149 7150 // First boot or factory reset. 7151 // Note: we also handle devices that are upgrading to N right now as if it is their 7152 // first boot, as they do not have profile data. 7153 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7154 7155 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7156 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7157 7158 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7159 return; 7160 } 7161 7162 List<PackageParser.Package> pkgs; 7163 synchronized (mPackages) { 7164 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7165 } 7166 7167 int curr = 0; 7168 int total = pkgs.size(); 7169 for (PackageParser.Package pkg : pkgs) { 7170 curr++; 7171 7172 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7173 if (DEBUG_DEXOPT) { 7174 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7175 } 7176 continue; 7177 } 7178 7179 if (DEBUG_DEXOPT) { 7180 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7181 } 7182 7183 if (!isFirstBoot()) { 7184 try { 7185 ActivityManagerNative.getDefault().showBootMessage( 7186 mContext.getResources().getString(R.string.android_upgrading_apk, 7187 curr, total), true); 7188 } catch (RemoteException e) { 7189 } 7190 } 7191 7192 performDexOpt(pkg.packageName, 7193 null /* instructionSet */, 7194 true /* checkProfiles */, 7195 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7196 false /* force */); 7197 } 7198 } 7199 7200 @Override 7201 public void notifyPackageUse(String packageName, int reason) { 7202 synchronized (mPackages) { 7203 PackageParser.Package p = mPackages.get(packageName); 7204 if (p == null) { 7205 return; 7206 } 7207 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7208 } 7209 } 7210 7211 // TODO: this is not used nor needed. Delete it. 7212 @Override 7213 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7214 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7215 getFullCompilerFilter(), false /* force */); 7216 } 7217 7218 @Override 7219 public boolean performDexOpt(String packageName, String instructionSet, 7220 boolean checkProfiles, int compileReason, boolean force) { 7221 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7222 getCompilerFilterForReason(compileReason), force); 7223 } 7224 7225 @Override 7226 public boolean performDexOptMode(String packageName, String instructionSet, 7227 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7228 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7229 targetCompilerFilter, force); 7230 } 7231 7232 private boolean performDexOptTraced(String packageName, String instructionSet, 7233 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7234 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7235 try { 7236 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7237 targetCompilerFilter, force); 7238 } finally { 7239 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7240 } 7241 } 7242 7243 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7244 // if the package can now be considered up to date for the given filter. 7245 private boolean performDexOptInternal(String packageName, String instructionSet, 7246 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7247 PackageParser.Package p; 7248 final String targetInstructionSet; 7249 synchronized (mPackages) { 7250 p = mPackages.get(packageName); 7251 if (p == null) { 7252 return false; 7253 } 7254 mPackageUsage.write(false); 7255 7256 targetInstructionSet = instructionSet != null ? instructionSet : 7257 getPrimaryInstructionSet(p.applicationInfo); 7258 } 7259 long callingId = Binder.clearCallingIdentity(); 7260 try { 7261 synchronized (mInstallLock) { 7262 final String[] instructionSets = new String[] { targetInstructionSet }; 7263 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7264 checkProfiles, targetCompilerFilter, force); 7265 return result != PackageDexOptimizer.DEX_OPT_FAILED; 7266 } 7267 } finally { 7268 Binder.restoreCallingIdentity(callingId); 7269 } 7270 } 7271 7272 public ArraySet<String> getOptimizablePackages() { 7273 ArraySet<String> pkgs = new ArraySet<String>(); 7274 synchronized (mPackages) { 7275 for (PackageParser.Package p : mPackages.values()) { 7276 if (PackageDexOptimizer.canOptimizePackage(p)) { 7277 pkgs.add(p.packageName); 7278 } 7279 } 7280 } 7281 return pkgs; 7282 } 7283 7284 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7285 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7286 boolean force) { 7287 // Select the dex optimizer based on the force parameter. 7288 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7289 // allocate an object here. 7290 PackageDexOptimizer pdo = force 7291 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7292 : mPackageDexOptimizer; 7293 7294 // Optimize all dependencies first. Note: we ignore the return value and march on 7295 // on errors. 7296 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7297 if (!deps.isEmpty()) { 7298 for (PackageParser.Package depPackage : deps) { 7299 // TODO: Analyze and investigate if we (should) profile libraries. 7300 // Currently this will do a full compilation of the library by default. 7301 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7302 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7303 } 7304 } 7305 7306 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7307 } 7308 7309 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7310 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7311 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7312 Set<String> collectedNames = new HashSet<>(); 7313 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7314 7315 retValue.remove(p); 7316 7317 return retValue; 7318 } else { 7319 return Collections.emptyList(); 7320 } 7321 } 7322 7323 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7324 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7325 if (!collectedNames.contains(p.packageName)) { 7326 collectedNames.add(p.packageName); 7327 collected.add(p); 7328 7329 if (p.usesLibraries != null) { 7330 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7331 } 7332 if (p.usesOptionalLibraries != null) { 7333 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7334 collectedNames); 7335 } 7336 } 7337 } 7338 7339 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7340 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7341 for (String libName : libs) { 7342 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7343 if (libPkg != null) { 7344 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7345 } 7346 } 7347 } 7348 7349 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7350 synchronized (mPackages) { 7351 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7352 if (lib != null && lib.apk != null) { 7353 return mPackages.get(lib.apk); 7354 } 7355 } 7356 return null; 7357 } 7358 7359 public void shutdown() { 7360 mPackageUsage.write(true); 7361 } 7362 7363 @Override 7364 public void forceDexOpt(String packageName) { 7365 enforceSystemOrRoot("forceDexOpt"); 7366 7367 PackageParser.Package pkg; 7368 synchronized (mPackages) { 7369 pkg = mPackages.get(packageName); 7370 if (pkg == null) { 7371 throw new IllegalArgumentException("Unknown package: " + packageName); 7372 } 7373 } 7374 7375 synchronized (mInstallLock) { 7376 final String[] instructionSets = new String[] { 7377 getPrimaryInstructionSet(pkg.applicationInfo) }; 7378 7379 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7380 7381 // Whoever is calling forceDexOpt wants a fully compiled package. 7382 // Don't use profiles since that may cause compilation to be skipped. 7383 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7384 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7385 true /* force */); 7386 7387 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7388 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7389 throw new IllegalStateException("Failed to dexopt: " + res); 7390 } 7391 } 7392 } 7393 7394 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7395 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7396 Slog.w(TAG, "Unable to update from " + oldPkg.name 7397 + " to " + newPkg.packageName 7398 + ": old package not in system partition"); 7399 return false; 7400 } else if (mPackages.get(oldPkg.name) != null) { 7401 Slog.w(TAG, "Unable to update from " + oldPkg.name 7402 + " to " + newPkg.packageName 7403 + ": old package still exists"); 7404 return false; 7405 } 7406 return true; 7407 } 7408 7409 void removeCodePathLI(File codePath) { 7410 if (codePath.isDirectory()) { 7411 try { 7412 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7413 } catch (InstallerException e) { 7414 Slog.w(TAG, "Failed to remove code path", e); 7415 } 7416 } else { 7417 codePath.delete(); 7418 } 7419 } 7420 7421 private int[] resolveUserIds(int userId) { 7422 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7423 } 7424 7425 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7426 if (pkg == null) { 7427 Slog.wtf(TAG, "Package was null!", new Throwable()); 7428 return; 7429 } 7430 clearAppDataLeafLIF(pkg, userId, flags); 7431 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7432 for (int i = 0; i < childCount; i++) { 7433 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7434 } 7435 } 7436 7437 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7438 final PackageSetting ps; 7439 synchronized (mPackages) { 7440 ps = mSettings.mPackages.get(pkg.packageName); 7441 } 7442 for (int realUserId : resolveUserIds(userId)) { 7443 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7444 try { 7445 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7446 ceDataInode); 7447 } catch (InstallerException e) { 7448 Slog.w(TAG, String.valueOf(e)); 7449 } 7450 } 7451 } 7452 7453 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7454 if (pkg == null) { 7455 Slog.wtf(TAG, "Package was null!", new Throwable()); 7456 return; 7457 } 7458 destroyAppDataLeafLIF(pkg, userId, flags); 7459 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7460 for (int i = 0; i < childCount; i++) { 7461 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7462 } 7463 } 7464 7465 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7466 final PackageSetting ps; 7467 synchronized (mPackages) { 7468 ps = mSettings.mPackages.get(pkg.packageName); 7469 } 7470 for (int realUserId : resolveUserIds(userId)) { 7471 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7472 try { 7473 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7474 ceDataInode); 7475 } catch (InstallerException e) { 7476 Slog.w(TAG, String.valueOf(e)); 7477 } 7478 } 7479 } 7480 7481 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7482 if (pkg == null) { 7483 Slog.wtf(TAG, "Package was null!", new Throwable()); 7484 return; 7485 } 7486 destroyAppProfilesLeafLIF(pkg); 7487 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7488 for (int i = 0; i < childCount; i++) { 7489 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7490 } 7491 } 7492 7493 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7494 try { 7495 mInstaller.destroyAppProfiles(pkg.packageName); 7496 } catch (InstallerException e) { 7497 Slog.w(TAG, String.valueOf(e)); 7498 } 7499 } 7500 7501 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7502 if (pkg == null) { 7503 Slog.wtf(TAG, "Package was null!", new Throwable()); 7504 return; 7505 } 7506 clearAppProfilesLeafLIF(pkg); 7507 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7508 for (int i = 0; i < childCount; i++) { 7509 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7510 } 7511 } 7512 7513 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7514 try { 7515 mInstaller.clearAppProfiles(pkg.packageName); 7516 } catch (InstallerException e) { 7517 Slog.w(TAG, String.valueOf(e)); 7518 } 7519 } 7520 7521 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7522 long lastUpdateTime) { 7523 // Set parent install/update time 7524 PackageSetting ps = (PackageSetting) pkg.mExtras; 7525 if (ps != null) { 7526 ps.firstInstallTime = firstInstallTime; 7527 ps.lastUpdateTime = lastUpdateTime; 7528 } 7529 // Set children install/update time 7530 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7531 for (int i = 0; i < childCount; i++) { 7532 PackageParser.Package childPkg = pkg.childPackages.get(i); 7533 ps = (PackageSetting) childPkg.mExtras; 7534 if (ps != null) { 7535 ps.firstInstallTime = firstInstallTime; 7536 ps.lastUpdateTime = lastUpdateTime; 7537 } 7538 } 7539 } 7540 7541 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7542 PackageParser.Package changingLib) { 7543 if (file.path != null) { 7544 usesLibraryFiles.add(file.path); 7545 return; 7546 } 7547 PackageParser.Package p = mPackages.get(file.apk); 7548 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7549 // If we are doing this while in the middle of updating a library apk, 7550 // then we need to make sure to use that new apk for determining the 7551 // dependencies here. (We haven't yet finished committing the new apk 7552 // to the package manager state.) 7553 if (p == null || p.packageName.equals(changingLib.packageName)) { 7554 p = changingLib; 7555 } 7556 } 7557 if (p != null) { 7558 usesLibraryFiles.addAll(p.getAllCodePaths()); 7559 } 7560 } 7561 7562 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7563 PackageParser.Package changingLib) throws PackageManagerException { 7564 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7565 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7566 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7567 for (int i=0; i<N; i++) { 7568 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7569 if (file == null) { 7570 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7571 "Package " + pkg.packageName + " requires unavailable shared library " 7572 + pkg.usesLibraries.get(i) + "; failing!"); 7573 } 7574 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7575 } 7576 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7577 for (int i=0; i<N; i++) { 7578 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7579 if (file == null) { 7580 Slog.w(TAG, "Package " + pkg.packageName 7581 + " desires unavailable shared library " 7582 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7583 } else { 7584 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7585 } 7586 } 7587 N = usesLibraryFiles.size(); 7588 if (N > 0) { 7589 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7590 } else { 7591 pkg.usesLibraryFiles = null; 7592 } 7593 } 7594 } 7595 7596 private static boolean hasString(List<String> list, List<String> which) { 7597 if (list == null) { 7598 return false; 7599 } 7600 for (int i=list.size()-1; i>=0; i--) { 7601 for (int j=which.size()-1; j>=0; j--) { 7602 if (which.get(j).equals(list.get(i))) { 7603 return true; 7604 } 7605 } 7606 } 7607 return false; 7608 } 7609 7610 private void updateAllSharedLibrariesLPw() { 7611 for (PackageParser.Package pkg : mPackages.values()) { 7612 try { 7613 updateSharedLibrariesLPw(pkg, null); 7614 } catch (PackageManagerException e) { 7615 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7616 } 7617 } 7618 } 7619 7620 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7621 PackageParser.Package changingPkg) { 7622 ArrayList<PackageParser.Package> res = null; 7623 for (PackageParser.Package pkg : mPackages.values()) { 7624 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7625 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7626 if (res == null) { 7627 res = new ArrayList<PackageParser.Package>(); 7628 } 7629 res.add(pkg); 7630 try { 7631 updateSharedLibrariesLPw(pkg, changingPkg); 7632 } catch (PackageManagerException e) { 7633 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7634 } 7635 } 7636 } 7637 return res; 7638 } 7639 7640 /** 7641 * Derive the value of the {@code cpuAbiOverride} based on the provided 7642 * value and an optional stored value from the package settings. 7643 */ 7644 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7645 String cpuAbiOverride = null; 7646 7647 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7648 cpuAbiOverride = null; 7649 } else if (abiOverride != null) { 7650 cpuAbiOverride = abiOverride; 7651 } else if (settings != null) { 7652 cpuAbiOverride = settings.cpuAbiOverrideString; 7653 } 7654 7655 return cpuAbiOverride; 7656 } 7657 7658 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7659 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7660 throws PackageManagerException { 7661 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7662 // If the package has children and this is the first dive in the function 7663 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7664 // whether all packages (parent and children) would be successfully scanned 7665 // before the actual scan since scanning mutates internal state and we want 7666 // to atomically install the package and its children. 7667 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7668 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7669 scanFlags |= SCAN_CHECK_ONLY; 7670 } 7671 } else { 7672 scanFlags &= ~SCAN_CHECK_ONLY; 7673 } 7674 7675 final PackageParser.Package scannedPkg; 7676 try { 7677 // Scan the parent 7678 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7679 // Scan the children 7680 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7681 for (int i = 0; i < childCount; i++) { 7682 PackageParser.Package childPkg = pkg.childPackages.get(i); 7683 scanPackageLI(childPkg, policyFlags, 7684 scanFlags, currentTime, user); 7685 } 7686 } finally { 7687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7688 } 7689 7690 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7691 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7692 } 7693 7694 return scannedPkg; 7695 } 7696 7697 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7698 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7699 boolean success = false; 7700 try { 7701 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7702 currentTime, user); 7703 success = true; 7704 return res; 7705 } finally { 7706 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7707 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7708 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7709 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7710 destroyAppProfilesLIF(pkg); 7711 } 7712 } 7713 } 7714 7715 /** 7716 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7717 */ 7718 private static boolean apkHasCode(String fileName) { 7719 StrictJarFile jarFile = null; 7720 try { 7721 jarFile = new StrictJarFile(fileName, 7722 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7723 return jarFile.findEntry("classes.dex") != null; 7724 } catch (IOException ignore) { 7725 } finally { 7726 try { 7727 jarFile.close(); 7728 } catch (IOException ignore) {} 7729 } 7730 return false; 7731 } 7732 7733 /** 7734 * Enforces code policy for the package. This ensures that if an APK has 7735 * declared hasCode="true" in its manifest that the APK actually contains 7736 * code. 7737 * 7738 * @throws PackageManagerException If bytecode could not be found when it should exist 7739 */ 7740 private static void enforceCodePolicy(PackageParser.Package pkg) 7741 throws PackageManagerException { 7742 final boolean shouldHaveCode = 7743 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7744 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7745 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7746 "Package " + pkg.baseCodePath + " code is missing"); 7747 } 7748 7749 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7750 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7751 final boolean splitShouldHaveCode = 7752 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7753 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7754 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7755 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7756 } 7757 } 7758 } 7759 } 7760 7761 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7762 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7763 throws PackageManagerException { 7764 final File scanFile = new File(pkg.codePath); 7765 if (pkg.applicationInfo.getCodePath() == null || 7766 pkg.applicationInfo.getResourcePath() == null) { 7767 // Bail out. The resource and code paths haven't been set. 7768 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7769 "Code and resource paths haven't been set correctly"); 7770 } 7771 7772 // Apply policy 7773 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7774 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7775 if (pkg.applicationInfo.isDirectBootAware()) { 7776 // we're direct boot aware; set for all components 7777 for (PackageParser.Service s : pkg.services) { 7778 s.info.encryptionAware = s.info.directBootAware = true; 7779 } 7780 for (PackageParser.Provider p : pkg.providers) { 7781 p.info.encryptionAware = p.info.directBootAware = true; 7782 } 7783 for (PackageParser.Activity a : pkg.activities) { 7784 a.info.encryptionAware = a.info.directBootAware = true; 7785 } 7786 for (PackageParser.Activity r : pkg.receivers) { 7787 r.info.encryptionAware = r.info.directBootAware = true; 7788 } 7789 } 7790 } else { 7791 // Only allow system apps to be flagged as core apps. 7792 pkg.coreApp = false; 7793 // clear flags not applicable to regular apps 7794 pkg.applicationInfo.privateFlags &= 7795 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7796 pkg.applicationInfo.privateFlags &= 7797 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7798 } 7799 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7800 7801 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7802 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7803 } 7804 7805 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7806 enforceCodePolicy(pkg); 7807 } 7808 7809 if (mCustomResolverComponentName != null && 7810 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7811 setUpCustomResolverActivity(pkg); 7812 } 7813 7814 if (pkg.packageName.equals("android")) { 7815 synchronized (mPackages) { 7816 if (mAndroidApplication != null) { 7817 Slog.w(TAG, "*************************************************"); 7818 Slog.w(TAG, "Core android package being redefined. Skipping."); 7819 Slog.w(TAG, " file=" + scanFile); 7820 Slog.w(TAG, "*************************************************"); 7821 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7822 "Core android package being redefined. Skipping."); 7823 } 7824 7825 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7826 // Set up information for our fall-back user intent resolution activity. 7827 mPlatformPackage = pkg; 7828 pkg.mVersionCode = mSdkVersion; 7829 mAndroidApplication = pkg.applicationInfo; 7830 7831 if (!mResolverReplaced) { 7832 mResolveActivity.applicationInfo = mAndroidApplication; 7833 mResolveActivity.name = ResolverActivity.class.getName(); 7834 mResolveActivity.packageName = mAndroidApplication.packageName; 7835 mResolveActivity.processName = "system:ui"; 7836 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7837 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7838 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7839 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7840 mResolveActivity.exported = true; 7841 mResolveActivity.enabled = true; 7842 mResolveInfo.activityInfo = mResolveActivity; 7843 mResolveInfo.priority = 0; 7844 mResolveInfo.preferredOrder = 0; 7845 mResolveInfo.match = 0; 7846 mResolveComponentName = new ComponentName( 7847 mAndroidApplication.packageName, mResolveActivity.name); 7848 } 7849 } 7850 } 7851 } 7852 7853 if (DEBUG_PACKAGE_SCANNING) { 7854 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7855 Log.d(TAG, "Scanning package " + pkg.packageName); 7856 } 7857 7858 synchronized (mPackages) { 7859 if (mPackages.containsKey(pkg.packageName) 7860 || mSharedLibraries.containsKey(pkg.packageName)) { 7861 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7862 "Application package " + pkg.packageName 7863 + " already installed. Skipping duplicate."); 7864 } 7865 7866 // If we're only installing presumed-existing packages, require that the 7867 // scanned APK is both already known and at the path previously established 7868 // for it. Previously unknown packages we pick up normally, but if we have an 7869 // a priori expectation about this package's install presence, enforce it. 7870 // With a singular exception for new system packages. When an OTA contains 7871 // a new system package, we allow the codepath to change from a system location 7872 // to the user-installed location. If we don't allow this change, any newer, 7873 // user-installed version of the application will be ignored. 7874 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7875 if (mExpectingBetter.containsKey(pkg.packageName)) { 7876 logCriticalInfo(Log.WARN, 7877 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7878 } else { 7879 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7880 if (known != null) { 7881 if (DEBUG_PACKAGE_SCANNING) { 7882 Log.d(TAG, "Examining " + pkg.codePath 7883 + " and requiring known paths " + known.codePathString 7884 + " & " + known.resourcePathString); 7885 } 7886 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7887 || !pkg.applicationInfo.getResourcePath().equals( 7888 known.resourcePathString)) { 7889 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7890 "Application package " + pkg.packageName 7891 + " found at " + pkg.applicationInfo.getCodePath() 7892 + " but expected at " + known.codePathString 7893 + "; ignoring."); 7894 } 7895 } 7896 } 7897 } 7898 } 7899 7900 // Initialize package source and resource directories 7901 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7902 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7903 7904 SharedUserSetting suid = null; 7905 PackageSetting pkgSetting = null; 7906 7907 if (!isSystemApp(pkg)) { 7908 // Only system apps can use these features. 7909 pkg.mOriginalPackages = null; 7910 pkg.mRealPackage = null; 7911 pkg.mAdoptPermissions = null; 7912 } 7913 7914 // Getting the package setting may have a side-effect, so if we 7915 // are only checking if scan would succeed, stash a copy of the 7916 // old setting to restore at the end. 7917 PackageSetting nonMutatedPs = null; 7918 7919 // writer 7920 synchronized (mPackages) { 7921 if (pkg.mSharedUserId != null) { 7922 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7923 if (suid == null) { 7924 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7925 "Creating application package " + pkg.packageName 7926 + " for shared user failed"); 7927 } 7928 if (DEBUG_PACKAGE_SCANNING) { 7929 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7930 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7931 + "): packages=" + suid.packages); 7932 } 7933 } 7934 7935 // Check if we are renaming from an original package name. 7936 PackageSetting origPackage = null; 7937 String realName = null; 7938 if (pkg.mOriginalPackages != null) { 7939 // This package may need to be renamed to a previously 7940 // installed name. Let's check on that... 7941 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7942 if (pkg.mOriginalPackages.contains(renamed)) { 7943 // This package had originally been installed as the 7944 // original name, and we have already taken care of 7945 // transitioning to the new one. Just update the new 7946 // one to continue using the old name. 7947 realName = pkg.mRealPackage; 7948 if (!pkg.packageName.equals(renamed)) { 7949 // Callers into this function may have already taken 7950 // care of renaming the package; only do it here if 7951 // it is not already done. 7952 pkg.setPackageName(renamed); 7953 } 7954 7955 } else { 7956 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7957 if ((origPackage = mSettings.peekPackageLPr( 7958 pkg.mOriginalPackages.get(i))) != null) { 7959 // We do have the package already installed under its 7960 // original name... should we use it? 7961 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7962 // New package is not compatible with original. 7963 origPackage = null; 7964 continue; 7965 } else if (origPackage.sharedUser != null) { 7966 // Make sure uid is compatible between packages. 7967 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7968 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7969 + " to " + pkg.packageName + ": old uid " 7970 + origPackage.sharedUser.name 7971 + " differs from " + pkg.mSharedUserId); 7972 origPackage = null; 7973 continue; 7974 } 7975 // TODO: Add case when shared user id is added [b/28144775] 7976 } else { 7977 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7978 + pkg.packageName + " to old name " + origPackage.name); 7979 } 7980 break; 7981 } 7982 } 7983 } 7984 } 7985 7986 if (mTransferedPackages.contains(pkg.packageName)) { 7987 Slog.w(TAG, "Package " + pkg.packageName 7988 + " was transferred to another, but its .apk remains"); 7989 } 7990 7991 // See comments in nonMutatedPs declaration 7992 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7993 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7994 if (foundPs != null) { 7995 nonMutatedPs = new PackageSetting(foundPs); 7996 } 7997 } 7998 7999 // Just create the setting, don't add it yet. For already existing packages 8000 // the PkgSetting exists already and doesn't have to be created. 8001 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8002 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8003 pkg.applicationInfo.primaryCpuAbi, 8004 pkg.applicationInfo.secondaryCpuAbi, 8005 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8006 user, false); 8007 if (pkgSetting == null) { 8008 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8009 "Creating application package " + pkg.packageName + " failed"); 8010 } 8011 8012 if (pkgSetting.origPackage != null) { 8013 // If we are first transitioning from an original package, 8014 // fix up the new package's name now. We need to do this after 8015 // looking up the package under its new name, so getPackageLP 8016 // can take care of fiddling things correctly. 8017 pkg.setPackageName(origPackage.name); 8018 8019 // File a report about this. 8020 String msg = "New package " + pkgSetting.realName 8021 + " renamed to replace old package " + pkgSetting.name; 8022 reportSettingsProblem(Log.WARN, msg); 8023 8024 // Make a note of it. 8025 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8026 mTransferedPackages.add(origPackage.name); 8027 } 8028 8029 // No longer need to retain this. 8030 pkgSetting.origPackage = null; 8031 } 8032 8033 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8034 // Make a note of it. 8035 mTransferedPackages.add(pkg.packageName); 8036 } 8037 8038 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8039 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8040 } 8041 8042 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8043 // Check all shared libraries and map to their actual file path. 8044 // We only do this here for apps not on a system dir, because those 8045 // are the only ones that can fail an install due to this. We 8046 // will take care of the system apps by updating all of their 8047 // library paths after the scan is done. 8048 updateSharedLibrariesLPw(pkg, null); 8049 } 8050 8051 if (mFoundPolicyFile) { 8052 SELinuxMMAC.assignSeinfoValue(pkg); 8053 } 8054 8055 pkg.applicationInfo.uid = pkgSetting.appId; 8056 pkg.mExtras = pkgSetting; 8057 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8058 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8059 // We just determined the app is signed correctly, so bring 8060 // over the latest parsed certs. 8061 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8062 } else { 8063 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8064 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8065 "Package " + pkg.packageName + " upgrade keys do not match the " 8066 + "previously installed version"); 8067 } else { 8068 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8069 String msg = "System package " + pkg.packageName 8070 + " signature changed; retaining data."; 8071 reportSettingsProblem(Log.WARN, msg); 8072 } 8073 } 8074 } else { 8075 try { 8076 verifySignaturesLP(pkgSetting, pkg); 8077 // We just determined the app is signed correctly, so bring 8078 // over the latest parsed certs. 8079 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8080 } catch (PackageManagerException e) { 8081 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8082 throw e; 8083 } 8084 // The signature has changed, but this package is in the system 8085 // image... let's recover! 8086 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8087 // However... if this package is part of a shared user, but it 8088 // doesn't match the signature of the shared user, let's fail. 8089 // What this means is that you can't change the signatures 8090 // associated with an overall shared user, which doesn't seem all 8091 // that unreasonable. 8092 if (pkgSetting.sharedUser != null) { 8093 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8094 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8095 throw new PackageManagerException( 8096 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8097 "Signature mismatch for shared user: " 8098 + pkgSetting.sharedUser); 8099 } 8100 } 8101 // File a report about this. 8102 String msg = "System package " + pkg.packageName 8103 + " signature changed; retaining data."; 8104 reportSettingsProblem(Log.WARN, msg); 8105 } 8106 } 8107 // Verify that this new package doesn't have any content providers 8108 // that conflict with existing packages. Only do this if the 8109 // package isn't already installed, since we don't want to break 8110 // things that are installed. 8111 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8112 final int N = pkg.providers.size(); 8113 int i; 8114 for (i=0; i<N; i++) { 8115 PackageParser.Provider p = pkg.providers.get(i); 8116 if (p.info.authority != null) { 8117 String names[] = p.info.authority.split(";"); 8118 for (int j = 0; j < names.length; j++) { 8119 if (mProvidersByAuthority.containsKey(names[j])) { 8120 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8121 final String otherPackageName = 8122 ((other != null && other.getComponentName() != null) ? 8123 other.getComponentName().getPackageName() : "?"); 8124 throw new PackageManagerException( 8125 INSTALL_FAILED_CONFLICTING_PROVIDER, 8126 "Can't install because provider name " + names[j] 8127 + " (in package " + pkg.applicationInfo.packageName 8128 + ") is already used by " + otherPackageName); 8129 } 8130 } 8131 } 8132 } 8133 } 8134 8135 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8136 // This package wants to adopt ownership of permissions from 8137 // another package. 8138 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8139 final String origName = pkg.mAdoptPermissions.get(i); 8140 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8141 if (orig != null) { 8142 if (verifyPackageUpdateLPr(orig, pkg)) { 8143 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8144 + pkg.packageName); 8145 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8146 } 8147 } 8148 } 8149 } 8150 } 8151 8152 final String pkgName = pkg.packageName; 8153 8154 final long scanFileTime = scanFile.lastModified(); 8155 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8156 pkg.applicationInfo.processName = fixProcessName( 8157 pkg.applicationInfo.packageName, 8158 pkg.applicationInfo.processName, 8159 pkg.applicationInfo.uid); 8160 8161 if (pkg != mPlatformPackage) { 8162 // Get all of our default paths setup 8163 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8164 } 8165 8166 final String path = scanFile.getPath(); 8167 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8168 8169 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8170 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8171 8172 // Some system apps still use directory structure for native libraries 8173 // in which case we might end up not detecting abi solely based on apk 8174 // structure. Try to detect abi based on directory structure. 8175 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8176 pkg.applicationInfo.primaryCpuAbi == null) { 8177 setBundledAppAbisAndRoots(pkg, pkgSetting); 8178 setNativeLibraryPaths(pkg); 8179 } 8180 8181 } else { 8182 if ((scanFlags & SCAN_MOVE) != 0) { 8183 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8184 // but we already have this packages package info in the PackageSetting. We just 8185 // use that and derive the native library path based on the new codepath. 8186 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8187 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8188 } 8189 8190 // Set native library paths again. For moves, the path will be updated based on the 8191 // ABIs we've determined above. For non-moves, the path will be updated based on the 8192 // ABIs we determined during compilation, but the path will depend on the final 8193 // package path (after the rename away from the stage path). 8194 setNativeLibraryPaths(pkg); 8195 } 8196 8197 // This is a special case for the "system" package, where the ABI is 8198 // dictated by the zygote configuration (and init.rc). We should keep track 8199 // of this ABI so that we can deal with "normal" applications that run under 8200 // the same UID correctly. 8201 if (mPlatformPackage == pkg) { 8202 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8203 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8204 } 8205 8206 // If there's a mismatch between the abi-override in the package setting 8207 // and the abiOverride specified for the install. Warn about this because we 8208 // would've already compiled the app without taking the package setting into 8209 // account. 8210 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8211 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8212 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8213 " for package " + pkg.packageName); 8214 } 8215 } 8216 8217 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8218 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8219 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8220 8221 // Copy the derived override back to the parsed package, so that we can 8222 // update the package settings accordingly. 8223 pkg.cpuAbiOverride = cpuAbiOverride; 8224 8225 if (DEBUG_ABI_SELECTION) { 8226 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8227 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8228 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8229 } 8230 8231 // Push the derived path down into PackageSettings so we know what to 8232 // clean up at uninstall time. 8233 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8234 8235 if (DEBUG_ABI_SELECTION) { 8236 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8237 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8238 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8239 } 8240 8241 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8242 // We don't do this here during boot because we can do it all 8243 // at once after scanning all existing packages. 8244 // 8245 // We also do this *before* we perform dexopt on this package, so that 8246 // we can avoid redundant dexopts, and also to make sure we've got the 8247 // code and package path correct. 8248 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8249 pkg, true /* boot complete */); 8250 } 8251 8252 if (mFactoryTest && pkg.requestedPermissions.contains( 8253 android.Manifest.permission.FACTORY_TEST)) { 8254 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8255 } 8256 8257 ArrayList<PackageParser.Package> clientLibPkgs = null; 8258 8259 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8260 if (nonMutatedPs != null) { 8261 synchronized (mPackages) { 8262 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8263 } 8264 } 8265 return pkg; 8266 } 8267 8268 // Only privileged apps and updated privileged apps can add child packages. 8269 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8270 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8271 throw new PackageManagerException("Only privileged apps and updated " 8272 + "privileged apps can add child packages. Ignoring package " 8273 + pkg.packageName); 8274 } 8275 final int childCount = pkg.childPackages.size(); 8276 for (int i = 0; i < childCount; i++) { 8277 PackageParser.Package childPkg = pkg.childPackages.get(i); 8278 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8279 childPkg.packageName)) { 8280 throw new PackageManagerException("Cannot override a child package of " 8281 + "another disabled system app. Ignoring package " + pkg.packageName); 8282 } 8283 } 8284 } 8285 8286 // writer 8287 synchronized (mPackages) { 8288 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8289 // Only system apps can add new shared libraries. 8290 if (pkg.libraryNames != null) { 8291 for (int i=0; i<pkg.libraryNames.size(); i++) { 8292 String name = pkg.libraryNames.get(i); 8293 boolean allowed = false; 8294 if (pkg.isUpdatedSystemApp()) { 8295 // New library entries can only be added through the 8296 // system image. This is important to get rid of a lot 8297 // of nasty edge cases: for example if we allowed a non- 8298 // system update of the app to add a library, then uninstalling 8299 // the update would make the library go away, and assumptions 8300 // we made such as through app install filtering would now 8301 // have allowed apps on the device which aren't compatible 8302 // with it. Better to just have the restriction here, be 8303 // conservative, and create many fewer cases that can negatively 8304 // impact the user experience. 8305 final PackageSetting sysPs = mSettings 8306 .getDisabledSystemPkgLPr(pkg.packageName); 8307 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8308 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8309 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8310 allowed = true; 8311 break; 8312 } 8313 } 8314 } 8315 } else { 8316 allowed = true; 8317 } 8318 if (allowed) { 8319 if (!mSharedLibraries.containsKey(name)) { 8320 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8321 } else if (!name.equals(pkg.packageName)) { 8322 Slog.w(TAG, "Package " + pkg.packageName + " library " 8323 + name + " already exists; skipping"); 8324 } 8325 } else { 8326 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8327 + name + " that is not declared on system image; skipping"); 8328 } 8329 } 8330 if ((scanFlags & SCAN_BOOTING) == 0) { 8331 // If we are not booting, we need to update any applications 8332 // that are clients of our shared library. If we are booting, 8333 // this will all be done once the scan is complete. 8334 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8335 } 8336 } 8337 } 8338 } 8339 8340 if ((scanFlags & SCAN_BOOTING) != 0) { 8341 // No apps can run during boot scan, so they don't need to be frozen 8342 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8343 // Caller asked to not kill app, so it's probably not frozen 8344 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8345 // Caller asked us to ignore frozen check for some reason; they 8346 // probably didn't know the package name 8347 } else { 8348 // We're doing major surgery on this package, so it better be frozen 8349 // right now to keep it from launching 8350 checkPackageFrozen(pkgName); 8351 } 8352 8353 // Also need to kill any apps that are dependent on the library. 8354 if (clientLibPkgs != null) { 8355 for (int i=0; i<clientLibPkgs.size(); i++) { 8356 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8357 killApplication(clientPkg.applicationInfo.packageName, 8358 clientPkg.applicationInfo.uid, "update lib"); 8359 } 8360 } 8361 8362 // Make sure we're not adding any bogus keyset info 8363 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8364 ksms.assertScannedPackageValid(pkg); 8365 8366 // writer 8367 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8368 8369 boolean createIdmapFailed = false; 8370 synchronized (mPackages) { 8371 // We don't expect installation to fail beyond this point 8372 8373 // Add the new setting to mSettings 8374 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8375 // Add the new setting to mPackages 8376 mPackages.put(pkg.applicationInfo.packageName, pkg); 8377 // Make sure we don't accidentally delete its data. 8378 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8379 while (iter.hasNext()) { 8380 PackageCleanItem item = iter.next(); 8381 if (pkgName.equals(item.packageName)) { 8382 iter.remove(); 8383 } 8384 } 8385 8386 // Take care of first install / last update times. 8387 if (currentTime != 0) { 8388 if (pkgSetting.firstInstallTime == 0) { 8389 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8390 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8391 pkgSetting.lastUpdateTime = currentTime; 8392 } 8393 } else if (pkgSetting.firstInstallTime == 0) { 8394 // We need *something*. Take time time stamp of the file. 8395 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8396 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8397 if (scanFileTime != pkgSetting.timeStamp) { 8398 // A package on the system image has changed; consider this 8399 // to be an update. 8400 pkgSetting.lastUpdateTime = scanFileTime; 8401 } 8402 } 8403 8404 // Add the package's KeySets to the global KeySetManagerService 8405 ksms.addScannedPackageLPw(pkg); 8406 8407 int N = pkg.providers.size(); 8408 StringBuilder r = null; 8409 int i; 8410 for (i=0; i<N; i++) { 8411 PackageParser.Provider p = pkg.providers.get(i); 8412 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8413 p.info.processName, pkg.applicationInfo.uid); 8414 mProviders.addProvider(p); 8415 p.syncable = p.info.isSyncable; 8416 if (p.info.authority != null) { 8417 String names[] = p.info.authority.split(";"); 8418 p.info.authority = null; 8419 for (int j = 0; j < names.length; j++) { 8420 if (j == 1 && p.syncable) { 8421 // We only want the first authority for a provider to possibly be 8422 // syncable, so if we already added this provider using a different 8423 // authority clear the syncable flag. We copy the provider before 8424 // changing it because the mProviders object contains a reference 8425 // to a provider that we don't want to change. 8426 // Only do this for the second authority since the resulting provider 8427 // object can be the same for all future authorities for this provider. 8428 p = new PackageParser.Provider(p); 8429 p.syncable = false; 8430 } 8431 if (!mProvidersByAuthority.containsKey(names[j])) { 8432 mProvidersByAuthority.put(names[j], p); 8433 if (p.info.authority == null) { 8434 p.info.authority = names[j]; 8435 } else { 8436 p.info.authority = p.info.authority + ";" + names[j]; 8437 } 8438 if (DEBUG_PACKAGE_SCANNING) { 8439 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8440 Log.d(TAG, "Registered content provider: " + names[j] 8441 + ", className = " + p.info.name + ", isSyncable = " 8442 + p.info.isSyncable); 8443 } 8444 } else { 8445 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8446 Slog.w(TAG, "Skipping provider name " + names[j] + 8447 " (in package " + pkg.applicationInfo.packageName + 8448 "): name already used by " 8449 + ((other != null && other.getComponentName() != null) 8450 ? other.getComponentName().getPackageName() : "?")); 8451 } 8452 } 8453 } 8454 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8455 if (r == null) { 8456 r = new StringBuilder(256); 8457 } else { 8458 r.append(' '); 8459 } 8460 r.append(p.info.name); 8461 } 8462 } 8463 if (r != null) { 8464 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8465 } 8466 8467 N = pkg.services.size(); 8468 r = null; 8469 for (i=0; i<N; i++) { 8470 PackageParser.Service s = pkg.services.get(i); 8471 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8472 s.info.processName, pkg.applicationInfo.uid); 8473 mServices.addService(s); 8474 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8475 if (r == null) { 8476 r = new StringBuilder(256); 8477 } else { 8478 r.append(' '); 8479 } 8480 r.append(s.info.name); 8481 } 8482 } 8483 if (r != null) { 8484 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8485 } 8486 8487 N = pkg.receivers.size(); 8488 r = null; 8489 for (i=0; i<N; i++) { 8490 PackageParser.Activity a = pkg.receivers.get(i); 8491 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8492 a.info.processName, pkg.applicationInfo.uid); 8493 mReceivers.addActivity(a, "receiver"); 8494 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8495 if (r == null) { 8496 r = new StringBuilder(256); 8497 } else { 8498 r.append(' '); 8499 } 8500 r.append(a.info.name); 8501 } 8502 } 8503 if (r != null) { 8504 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8505 } 8506 8507 N = pkg.activities.size(); 8508 r = null; 8509 for (i=0; i<N; i++) { 8510 PackageParser.Activity a = pkg.activities.get(i); 8511 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8512 a.info.processName, pkg.applicationInfo.uid); 8513 mActivities.addActivity(a, "activity"); 8514 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8515 if (r == null) { 8516 r = new StringBuilder(256); 8517 } else { 8518 r.append(' '); 8519 } 8520 r.append(a.info.name); 8521 } 8522 } 8523 if (r != null) { 8524 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8525 } 8526 8527 N = pkg.permissionGroups.size(); 8528 r = null; 8529 for (i=0; i<N; i++) { 8530 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8531 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8532 if (cur == null) { 8533 mPermissionGroups.put(pg.info.name, pg); 8534 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8535 if (r == null) { 8536 r = new StringBuilder(256); 8537 } else { 8538 r.append(' '); 8539 } 8540 r.append(pg.info.name); 8541 } 8542 } else { 8543 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8544 + pg.info.packageName + " ignored: original from " 8545 + cur.info.packageName); 8546 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8547 if (r == null) { 8548 r = new StringBuilder(256); 8549 } else { 8550 r.append(' '); 8551 } 8552 r.append("DUP:"); 8553 r.append(pg.info.name); 8554 } 8555 } 8556 } 8557 if (r != null) { 8558 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8559 } 8560 8561 N = pkg.permissions.size(); 8562 r = null; 8563 for (i=0; i<N; i++) { 8564 PackageParser.Permission p = pkg.permissions.get(i); 8565 8566 // Assume by default that we did not install this permission into the system. 8567 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8568 8569 // Now that permission groups have a special meaning, we ignore permission 8570 // groups for legacy apps to prevent unexpected behavior. In particular, 8571 // permissions for one app being granted to someone just becase they happen 8572 // to be in a group defined by another app (before this had no implications). 8573 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8574 p.group = mPermissionGroups.get(p.info.group); 8575 // Warn for a permission in an unknown group. 8576 if (p.info.group != null && p.group == null) { 8577 Slog.w(TAG, "Permission " + p.info.name + " from package " 8578 + p.info.packageName + " in an unknown group " + p.info.group); 8579 } 8580 } 8581 8582 ArrayMap<String, BasePermission> permissionMap = 8583 p.tree ? mSettings.mPermissionTrees 8584 : mSettings.mPermissions; 8585 BasePermission bp = permissionMap.get(p.info.name); 8586 8587 // Allow system apps to redefine non-system permissions 8588 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8589 final boolean currentOwnerIsSystem = (bp.perm != null 8590 && isSystemApp(bp.perm.owner)); 8591 if (isSystemApp(p.owner)) { 8592 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8593 // It's a built-in permission and no owner, take ownership now 8594 bp.packageSetting = pkgSetting; 8595 bp.perm = p; 8596 bp.uid = pkg.applicationInfo.uid; 8597 bp.sourcePackage = p.info.packageName; 8598 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8599 } else if (!currentOwnerIsSystem) { 8600 String msg = "New decl " + p.owner + " of permission " 8601 + p.info.name + " is system; overriding " + bp.sourcePackage; 8602 reportSettingsProblem(Log.WARN, msg); 8603 bp = null; 8604 } 8605 } 8606 } 8607 8608 if (bp == null) { 8609 bp = new BasePermission(p.info.name, p.info.packageName, 8610 BasePermission.TYPE_NORMAL); 8611 permissionMap.put(p.info.name, bp); 8612 } 8613 8614 if (bp.perm == null) { 8615 if (bp.sourcePackage == null 8616 || bp.sourcePackage.equals(p.info.packageName)) { 8617 BasePermission tree = findPermissionTreeLP(p.info.name); 8618 if (tree == null 8619 || tree.sourcePackage.equals(p.info.packageName)) { 8620 bp.packageSetting = pkgSetting; 8621 bp.perm = p; 8622 bp.uid = pkg.applicationInfo.uid; 8623 bp.sourcePackage = p.info.packageName; 8624 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8625 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8626 if (r == null) { 8627 r = new StringBuilder(256); 8628 } else { 8629 r.append(' '); 8630 } 8631 r.append(p.info.name); 8632 } 8633 } else { 8634 Slog.w(TAG, "Permission " + p.info.name + " from package " 8635 + p.info.packageName + " ignored: base tree " 8636 + tree.name + " is from package " 8637 + tree.sourcePackage); 8638 } 8639 } else { 8640 Slog.w(TAG, "Permission " + p.info.name + " from package " 8641 + p.info.packageName + " ignored: original from " 8642 + bp.sourcePackage); 8643 } 8644 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8645 if (r == null) { 8646 r = new StringBuilder(256); 8647 } else { 8648 r.append(' '); 8649 } 8650 r.append("DUP:"); 8651 r.append(p.info.name); 8652 } 8653 if (bp.perm == p) { 8654 bp.protectionLevel = p.info.protectionLevel; 8655 } 8656 } 8657 8658 if (r != null) { 8659 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8660 } 8661 8662 N = pkg.instrumentation.size(); 8663 r = null; 8664 for (i=0; i<N; i++) { 8665 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8666 a.info.packageName = pkg.applicationInfo.packageName; 8667 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8668 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8669 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8670 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8671 a.info.dataDir = pkg.applicationInfo.dataDir; 8672 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8673 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8674 8675 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8676 // need other information about the application, like the ABI and what not ? 8677 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8678 mInstrumentation.put(a.getComponentName(), a); 8679 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8680 if (r == null) { 8681 r = new StringBuilder(256); 8682 } else { 8683 r.append(' '); 8684 } 8685 r.append(a.info.name); 8686 } 8687 } 8688 if (r != null) { 8689 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8690 } 8691 8692 if (pkg.protectedBroadcasts != null) { 8693 N = pkg.protectedBroadcasts.size(); 8694 for (i=0; i<N; i++) { 8695 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8696 } 8697 } 8698 8699 pkgSetting.setTimeStamp(scanFileTime); 8700 8701 // Create idmap files for pairs of (packages, overlay packages). 8702 // Note: "android", ie framework-res.apk, is handled by native layers. 8703 if (pkg.mOverlayTarget != null) { 8704 // This is an overlay package. 8705 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8706 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8707 mOverlays.put(pkg.mOverlayTarget, 8708 new ArrayMap<String, PackageParser.Package>()); 8709 } 8710 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8711 map.put(pkg.packageName, pkg); 8712 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8713 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8714 createIdmapFailed = true; 8715 } 8716 } 8717 } else if (mOverlays.containsKey(pkg.packageName) && 8718 !pkg.packageName.equals("android")) { 8719 // This is a regular package, with one or more known overlay packages. 8720 createIdmapsForPackageLI(pkg); 8721 } 8722 } 8723 8724 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8725 8726 if (createIdmapFailed) { 8727 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8728 "scanPackageLI failed to createIdmap"); 8729 } 8730 return pkg; 8731 } 8732 8733 /** 8734 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8735 * is derived purely on the basis of the contents of {@code scanFile} and 8736 * {@code cpuAbiOverride}. 8737 * 8738 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8739 */ 8740 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8741 String cpuAbiOverride, boolean extractLibs) 8742 throws PackageManagerException { 8743 // TODO: We can probably be smarter about this stuff. For installed apps, 8744 // we can calculate this information at install time once and for all. For 8745 // system apps, we can probably assume that this information doesn't change 8746 // after the first boot scan. As things stand, we do lots of unnecessary work. 8747 8748 // Give ourselves some initial paths; we'll come back for another 8749 // pass once we've determined ABI below. 8750 setNativeLibraryPaths(pkg); 8751 8752 // We would never need to extract libs for forward-locked and external packages, 8753 // since the container service will do it for us. We shouldn't attempt to 8754 // extract libs from system app when it was not updated. 8755 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8756 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8757 extractLibs = false; 8758 } 8759 8760 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8761 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8762 8763 NativeLibraryHelper.Handle handle = null; 8764 try { 8765 handle = NativeLibraryHelper.Handle.create(pkg); 8766 // TODO(multiArch): This can be null for apps that didn't go through the 8767 // usual installation process. We can calculate it again, like we 8768 // do during install time. 8769 // 8770 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8771 // unnecessary. 8772 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8773 8774 // Null out the abis so that they can be recalculated. 8775 pkg.applicationInfo.primaryCpuAbi = null; 8776 pkg.applicationInfo.secondaryCpuAbi = null; 8777 if (isMultiArch(pkg.applicationInfo)) { 8778 // Warn if we've set an abiOverride for multi-lib packages.. 8779 // By definition, we need to copy both 32 and 64 bit libraries for 8780 // such packages. 8781 if (pkg.cpuAbiOverride != null 8782 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8783 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8784 } 8785 8786 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8787 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8788 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8789 if (extractLibs) { 8790 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8791 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8792 useIsaSpecificSubdirs); 8793 } else { 8794 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8795 } 8796 } 8797 8798 maybeThrowExceptionForMultiArchCopy( 8799 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8800 8801 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8802 if (extractLibs) { 8803 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8804 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8805 useIsaSpecificSubdirs); 8806 } else { 8807 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8808 } 8809 } 8810 8811 maybeThrowExceptionForMultiArchCopy( 8812 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8813 8814 if (abi64 >= 0) { 8815 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8816 } 8817 8818 if (abi32 >= 0) { 8819 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8820 if (abi64 >= 0) { 8821 if (pkg.use32bitAbi) { 8822 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8823 pkg.applicationInfo.primaryCpuAbi = abi; 8824 } else { 8825 pkg.applicationInfo.secondaryCpuAbi = abi; 8826 } 8827 } else { 8828 pkg.applicationInfo.primaryCpuAbi = abi; 8829 } 8830 } 8831 8832 } else { 8833 String[] abiList = (cpuAbiOverride != null) ? 8834 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8835 8836 // Enable gross and lame hacks for apps that are built with old 8837 // SDK tools. We must scan their APKs for renderscript bitcode and 8838 // not launch them if it's present. Don't bother checking on devices 8839 // that don't have 64 bit support. 8840 boolean needsRenderScriptOverride = false; 8841 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8842 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8843 abiList = Build.SUPPORTED_32_BIT_ABIS; 8844 needsRenderScriptOverride = true; 8845 } 8846 8847 final int copyRet; 8848 if (extractLibs) { 8849 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8850 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8851 } else { 8852 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8853 } 8854 8855 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8856 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8857 "Error unpackaging native libs for app, errorCode=" + copyRet); 8858 } 8859 8860 if (copyRet >= 0) { 8861 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8862 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8863 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8864 } else if (needsRenderScriptOverride) { 8865 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8866 } 8867 } 8868 } catch (IOException ioe) { 8869 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8870 } finally { 8871 IoUtils.closeQuietly(handle); 8872 } 8873 8874 // Now that we've calculated the ABIs and determined if it's an internal app, 8875 // we will go ahead and populate the nativeLibraryPath. 8876 setNativeLibraryPaths(pkg); 8877 } 8878 8879 /** 8880 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8881 * i.e, so that all packages can be run inside a single process if required. 8882 * 8883 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8884 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8885 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8886 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8887 * updating a package that belongs to a shared user. 8888 * 8889 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8890 * adds unnecessary complexity. 8891 */ 8892 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8893 PackageParser.Package scannedPackage, boolean bootComplete) { 8894 String requiredInstructionSet = null; 8895 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8896 requiredInstructionSet = VMRuntime.getInstructionSet( 8897 scannedPackage.applicationInfo.primaryCpuAbi); 8898 } 8899 8900 PackageSetting requirer = null; 8901 for (PackageSetting ps : packagesForUser) { 8902 // If packagesForUser contains scannedPackage, we skip it. This will happen 8903 // when scannedPackage is an update of an existing package. Without this check, 8904 // we will never be able to change the ABI of any package belonging to a shared 8905 // user, even if it's compatible with other packages. 8906 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8907 if (ps.primaryCpuAbiString == null) { 8908 continue; 8909 } 8910 8911 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8912 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8913 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8914 // this but there's not much we can do. 8915 String errorMessage = "Instruction set mismatch, " 8916 + ((requirer == null) ? "[caller]" : requirer) 8917 + " requires " + requiredInstructionSet + " whereas " + ps 8918 + " requires " + instructionSet; 8919 Slog.w(TAG, errorMessage); 8920 } 8921 8922 if (requiredInstructionSet == null) { 8923 requiredInstructionSet = instructionSet; 8924 requirer = ps; 8925 } 8926 } 8927 } 8928 8929 if (requiredInstructionSet != null) { 8930 String adjustedAbi; 8931 if (requirer != null) { 8932 // requirer != null implies that either scannedPackage was null or that scannedPackage 8933 // did not require an ABI, in which case we have to adjust scannedPackage to match 8934 // the ABI of the set (which is the same as requirer's ABI) 8935 adjustedAbi = requirer.primaryCpuAbiString; 8936 if (scannedPackage != null) { 8937 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8938 } 8939 } else { 8940 // requirer == null implies that we're updating all ABIs in the set to 8941 // match scannedPackage. 8942 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8943 } 8944 8945 for (PackageSetting ps : packagesForUser) { 8946 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8947 if (ps.primaryCpuAbiString != null) { 8948 continue; 8949 } 8950 8951 ps.primaryCpuAbiString = adjustedAbi; 8952 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8953 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8954 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8955 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8956 + " (requirer=" 8957 + (requirer == null ? "null" : requirer.pkg.packageName) 8958 + ", scannedPackage=" 8959 + (scannedPackage != null ? scannedPackage.packageName : "null") 8960 + ")"); 8961 try { 8962 mInstaller.rmdex(ps.codePathString, 8963 getDexCodeInstructionSet(getPreferredInstructionSet())); 8964 } catch (InstallerException ignored) { 8965 } 8966 } 8967 } 8968 } 8969 } 8970 } 8971 8972 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8973 synchronized (mPackages) { 8974 mResolverReplaced = true; 8975 // Set up information for custom user intent resolution activity. 8976 mResolveActivity.applicationInfo = pkg.applicationInfo; 8977 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8978 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8979 mResolveActivity.processName = pkg.applicationInfo.packageName; 8980 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8981 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8982 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8983 mResolveActivity.theme = 0; 8984 mResolveActivity.exported = true; 8985 mResolveActivity.enabled = true; 8986 mResolveInfo.activityInfo = mResolveActivity; 8987 mResolveInfo.priority = 0; 8988 mResolveInfo.preferredOrder = 0; 8989 mResolveInfo.match = 0; 8990 mResolveComponentName = mCustomResolverComponentName; 8991 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8992 mResolveComponentName); 8993 } 8994 } 8995 8996 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8997 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8998 8999 // Set up information for ephemeral installer activity 9000 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9001 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9002 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9003 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9004 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9005 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9006 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9007 mEphemeralInstallerActivity.theme = 0; 9008 mEphemeralInstallerActivity.exported = true; 9009 mEphemeralInstallerActivity.enabled = true; 9010 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9011 mEphemeralInstallerInfo.priority = 0; 9012 mEphemeralInstallerInfo.preferredOrder = 0; 9013 mEphemeralInstallerInfo.match = 0; 9014 9015 if (DEBUG_EPHEMERAL) { 9016 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9017 } 9018 } 9019 9020 private static String calculateBundledApkRoot(final String codePathString) { 9021 final File codePath = new File(codePathString); 9022 final File codeRoot; 9023 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9024 codeRoot = Environment.getRootDirectory(); 9025 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9026 codeRoot = Environment.getOemDirectory(); 9027 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9028 codeRoot = Environment.getVendorDirectory(); 9029 } else { 9030 // Unrecognized code path; take its top real segment as the apk root: 9031 // e.g. /something/app/blah.apk => /something 9032 try { 9033 File f = codePath.getCanonicalFile(); 9034 File parent = f.getParentFile(); // non-null because codePath is a file 9035 File tmp; 9036 while ((tmp = parent.getParentFile()) != null) { 9037 f = parent; 9038 parent = tmp; 9039 } 9040 codeRoot = f; 9041 Slog.w(TAG, "Unrecognized code path " 9042 + codePath + " - using " + codeRoot); 9043 } catch (IOException e) { 9044 // Can't canonicalize the code path -- shenanigans? 9045 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9046 return Environment.getRootDirectory().getPath(); 9047 } 9048 } 9049 return codeRoot.getPath(); 9050 } 9051 9052 /** 9053 * Derive and set the location of native libraries for the given package, 9054 * which varies depending on where and how the package was installed. 9055 */ 9056 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9057 final ApplicationInfo info = pkg.applicationInfo; 9058 final String codePath = pkg.codePath; 9059 final File codeFile = new File(codePath); 9060 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9061 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9062 9063 info.nativeLibraryRootDir = null; 9064 info.nativeLibraryRootRequiresIsa = false; 9065 info.nativeLibraryDir = null; 9066 info.secondaryNativeLibraryDir = null; 9067 9068 if (isApkFile(codeFile)) { 9069 // Monolithic install 9070 if (bundledApp) { 9071 // If "/system/lib64/apkname" exists, assume that is the per-package 9072 // native library directory to use; otherwise use "/system/lib/apkname". 9073 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9074 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9075 getPrimaryInstructionSet(info)); 9076 9077 // This is a bundled system app so choose the path based on the ABI. 9078 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9079 // is just the default path. 9080 final String apkName = deriveCodePathName(codePath); 9081 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9082 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9083 apkName).getAbsolutePath(); 9084 9085 if (info.secondaryCpuAbi != null) { 9086 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9087 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9088 secondaryLibDir, apkName).getAbsolutePath(); 9089 } 9090 } else if (asecApp) { 9091 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9092 .getAbsolutePath(); 9093 } else { 9094 final String apkName = deriveCodePathName(codePath); 9095 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9096 .getAbsolutePath(); 9097 } 9098 9099 info.nativeLibraryRootRequiresIsa = false; 9100 info.nativeLibraryDir = info.nativeLibraryRootDir; 9101 } else { 9102 // Cluster install 9103 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9104 info.nativeLibraryRootRequiresIsa = true; 9105 9106 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9107 getPrimaryInstructionSet(info)).getAbsolutePath(); 9108 9109 if (info.secondaryCpuAbi != null) { 9110 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9111 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9112 } 9113 } 9114 } 9115 9116 /** 9117 * Calculate the abis and roots for a bundled app. These can uniquely 9118 * be determined from the contents of the system partition, i.e whether 9119 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9120 * of this information, and instead assume that the system was built 9121 * sensibly. 9122 */ 9123 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9124 PackageSetting pkgSetting) { 9125 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9126 9127 // If "/system/lib64/apkname" exists, assume that is the per-package 9128 // native library directory to use; otherwise use "/system/lib/apkname". 9129 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9130 setBundledAppAbi(pkg, apkRoot, apkName); 9131 // pkgSetting might be null during rescan following uninstall of updates 9132 // to a bundled app, so accommodate that possibility. The settings in 9133 // that case will be established later from the parsed package. 9134 // 9135 // If the settings aren't null, sync them up with what we've just derived. 9136 // note that apkRoot isn't stored in the package settings. 9137 if (pkgSetting != null) { 9138 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9139 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9140 } 9141 } 9142 9143 /** 9144 * Deduces the ABI of a bundled app and sets the relevant fields on the 9145 * parsed pkg object. 9146 * 9147 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9148 * under which system libraries are installed. 9149 * @param apkName the name of the installed package. 9150 */ 9151 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9152 final File codeFile = new File(pkg.codePath); 9153 9154 final boolean has64BitLibs; 9155 final boolean has32BitLibs; 9156 if (isApkFile(codeFile)) { 9157 // Monolithic install 9158 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9159 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9160 } else { 9161 // Cluster install 9162 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9163 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9164 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9165 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9166 has64BitLibs = (new File(rootDir, isa)).exists(); 9167 } else { 9168 has64BitLibs = false; 9169 } 9170 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9171 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9172 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9173 has32BitLibs = (new File(rootDir, isa)).exists(); 9174 } else { 9175 has32BitLibs = false; 9176 } 9177 } 9178 9179 if (has64BitLibs && !has32BitLibs) { 9180 // The package has 64 bit libs, but not 32 bit libs. Its primary 9181 // ABI should be 64 bit. We can safely assume here that the bundled 9182 // native libraries correspond to the most preferred ABI in the list. 9183 9184 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9185 pkg.applicationInfo.secondaryCpuAbi = null; 9186 } else if (has32BitLibs && !has64BitLibs) { 9187 // The package has 32 bit libs but not 64 bit libs. Its primary 9188 // ABI should be 32 bit. 9189 9190 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9191 pkg.applicationInfo.secondaryCpuAbi = null; 9192 } else if (has32BitLibs && has64BitLibs) { 9193 // The application has both 64 and 32 bit bundled libraries. We check 9194 // here that the app declares multiArch support, and warn if it doesn't. 9195 // 9196 // We will be lenient here and record both ABIs. The primary will be the 9197 // ABI that's higher on the list, i.e, a device that's configured to prefer 9198 // 64 bit apps will see a 64 bit primary ABI, 9199 9200 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9201 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9202 } 9203 9204 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9205 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9206 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9207 } else { 9208 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9209 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9210 } 9211 } else { 9212 pkg.applicationInfo.primaryCpuAbi = null; 9213 pkg.applicationInfo.secondaryCpuAbi = null; 9214 } 9215 } 9216 9217 private void killApplication(String pkgName, int appId, String reason) { 9218 // Request the ActivityManager to kill the process(only for existing packages) 9219 // so that we do not end up in a confused state while the user is still using the older 9220 // version of the application while the new one gets installed. 9221 final long token = Binder.clearCallingIdentity(); 9222 try { 9223 IActivityManager am = ActivityManagerNative.getDefault(); 9224 if (am != null) { 9225 try { 9226 am.killApplicationWithAppId(pkgName, appId, reason); 9227 } catch (RemoteException e) { 9228 } 9229 } 9230 } finally { 9231 Binder.restoreCallingIdentity(token); 9232 } 9233 } 9234 9235 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9236 // Remove the parent package setting 9237 PackageSetting ps = (PackageSetting) pkg.mExtras; 9238 if (ps != null) { 9239 removePackageLI(ps, chatty); 9240 } 9241 // Remove the child package setting 9242 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9243 for (int i = 0; i < childCount; i++) { 9244 PackageParser.Package childPkg = pkg.childPackages.get(i); 9245 ps = (PackageSetting) childPkg.mExtras; 9246 if (ps != null) { 9247 removePackageLI(ps, chatty); 9248 } 9249 } 9250 } 9251 9252 void removePackageLI(PackageSetting ps, boolean chatty) { 9253 if (DEBUG_INSTALL) { 9254 if (chatty) 9255 Log.d(TAG, "Removing package " + ps.name); 9256 } 9257 9258 // writer 9259 synchronized (mPackages) { 9260 mPackages.remove(ps.name); 9261 final PackageParser.Package pkg = ps.pkg; 9262 if (pkg != null) { 9263 cleanPackageDataStructuresLILPw(pkg, chatty); 9264 } 9265 } 9266 } 9267 9268 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9269 if (DEBUG_INSTALL) { 9270 if (chatty) 9271 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9272 } 9273 9274 // writer 9275 synchronized (mPackages) { 9276 // Remove the parent package 9277 mPackages.remove(pkg.applicationInfo.packageName); 9278 cleanPackageDataStructuresLILPw(pkg, chatty); 9279 9280 // Remove the child packages 9281 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9282 for (int i = 0; i < childCount; i++) { 9283 PackageParser.Package childPkg = pkg.childPackages.get(i); 9284 mPackages.remove(childPkg.applicationInfo.packageName); 9285 cleanPackageDataStructuresLILPw(childPkg, chatty); 9286 } 9287 } 9288 } 9289 9290 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9291 int N = pkg.providers.size(); 9292 StringBuilder r = null; 9293 int i; 9294 for (i=0; i<N; i++) { 9295 PackageParser.Provider p = pkg.providers.get(i); 9296 mProviders.removeProvider(p); 9297 if (p.info.authority == null) { 9298 9299 /* There was another ContentProvider with this authority when 9300 * this app was installed so this authority is null, 9301 * Ignore it as we don't have to unregister the provider. 9302 */ 9303 continue; 9304 } 9305 String names[] = p.info.authority.split(";"); 9306 for (int j = 0; j < names.length; j++) { 9307 if (mProvidersByAuthority.get(names[j]) == p) { 9308 mProvidersByAuthority.remove(names[j]); 9309 if (DEBUG_REMOVE) { 9310 if (chatty) 9311 Log.d(TAG, "Unregistered content provider: " + names[j] 9312 + ", className = " + p.info.name + ", isSyncable = " 9313 + p.info.isSyncable); 9314 } 9315 } 9316 } 9317 if (DEBUG_REMOVE && chatty) { 9318 if (r == null) { 9319 r = new StringBuilder(256); 9320 } else { 9321 r.append(' '); 9322 } 9323 r.append(p.info.name); 9324 } 9325 } 9326 if (r != null) { 9327 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9328 } 9329 9330 N = pkg.services.size(); 9331 r = null; 9332 for (i=0; i<N; i++) { 9333 PackageParser.Service s = pkg.services.get(i); 9334 mServices.removeService(s); 9335 if (chatty) { 9336 if (r == null) { 9337 r = new StringBuilder(256); 9338 } else { 9339 r.append(' '); 9340 } 9341 r.append(s.info.name); 9342 } 9343 } 9344 if (r != null) { 9345 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9346 } 9347 9348 N = pkg.receivers.size(); 9349 r = null; 9350 for (i=0; i<N; i++) { 9351 PackageParser.Activity a = pkg.receivers.get(i); 9352 mReceivers.removeActivity(a, "receiver"); 9353 if (DEBUG_REMOVE && chatty) { 9354 if (r == null) { 9355 r = new StringBuilder(256); 9356 } else { 9357 r.append(' '); 9358 } 9359 r.append(a.info.name); 9360 } 9361 } 9362 if (r != null) { 9363 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9364 } 9365 9366 N = pkg.activities.size(); 9367 r = null; 9368 for (i=0; i<N; i++) { 9369 PackageParser.Activity a = pkg.activities.get(i); 9370 mActivities.removeActivity(a, "activity"); 9371 if (DEBUG_REMOVE && chatty) { 9372 if (r == null) { 9373 r = new StringBuilder(256); 9374 } else { 9375 r.append(' '); 9376 } 9377 r.append(a.info.name); 9378 } 9379 } 9380 if (r != null) { 9381 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9382 } 9383 9384 N = pkg.permissions.size(); 9385 r = null; 9386 for (i=0; i<N; i++) { 9387 PackageParser.Permission p = pkg.permissions.get(i); 9388 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9389 if (bp == null) { 9390 bp = mSettings.mPermissionTrees.get(p.info.name); 9391 } 9392 if (bp != null && bp.perm == p) { 9393 bp.perm = null; 9394 if (DEBUG_REMOVE && chatty) { 9395 if (r == null) { 9396 r = new StringBuilder(256); 9397 } else { 9398 r.append(' '); 9399 } 9400 r.append(p.info.name); 9401 } 9402 } 9403 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9404 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9405 if (appOpPkgs != null) { 9406 appOpPkgs.remove(pkg.packageName); 9407 } 9408 } 9409 } 9410 if (r != null) { 9411 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9412 } 9413 9414 N = pkg.requestedPermissions.size(); 9415 r = null; 9416 for (i=0; i<N; i++) { 9417 String perm = pkg.requestedPermissions.get(i); 9418 BasePermission bp = mSettings.mPermissions.get(perm); 9419 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9420 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9421 if (appOpPkgs != null) { 9422 appOpPkgs.remove(pkg.packageName); 9423 if (appOpPkgs.isEmpty()) { 9424 mAppOpPermissionPackages.remove(perm); 9425 } 9426 } 9427 } 9428 } 9429 if (r != null) { 9430 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9431 } 9432 9433 N = pkg.instrumentation.size(); 9434 r = null; 9435 for (i=0; i<N; i++) { 9436 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9437 mInstrumentation.remove(a.getComponentName()); 9438 if (DEBUG_REMOVE && chatty) { 9439 if (r == null) { 9440 r = new StringBuilder(256); 9441 } else { 9442 r.append(' '); 9443 } 9444 r.append(a.info.name); 9445 } 9446 } 9447 if (r != null) { 9448 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9449 } 9450 9451 r = null; 9452 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9453 // Only system apps can hold shared libraries. 9454 if (pkg.libraryNames != null) { 9455 for (i=0; i<pkg.libraryNames.size(); i++) { 9456 String name = pkg.libraryNames.get(i); 9457 SharedLibraryEntry cur = mSharedLibraries.get(name); 9458 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9459 mSharedLibraries.remove(name); 9460 if (DEBUG_REMOVE && chatty) { 9461 if (r == null) { 9462 r = new StringBuilder(256); 9463 } else { 9464 r.append(' '); 9465 } 9466 r.append(name); 9467 } 9468 } 9469 } 9470 } 9471 } 9472 if (r != null) { 9473 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9474 } 9475 } 9476 9477 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9478 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9479 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9480 return true; 9481 } 9482 } 9483 return false; 9484 } 9485 9486 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9487 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9488 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9489 9490 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9491 // Update the parent permissions 9492 updatePermissionsLPw(pkg.packageName, pkg, flags); 9493 // Update the child permissions 9494 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9495 for (int i = 0; i < childCount; i++) { 9496 PackageParser.Package childPkg = pkg.childPackages.get(i); 9497 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9498 } 9499 } 9500 9501 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9502 int flags) { 9503 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9504 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9505 } 9506 9507 private void updatePermissionsLPw(String changingPkg, 9508 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9509 // Make sure there are no dangling permission trees. 9510 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9511 while (it.hasNext()) { 9512 final BasePermission bp = it.next(); 9513 if (bp.packageSetting == null) { 9514 // We may not yet have parsed the package, so just see if 9515 // we still know about its settings. 9516 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9517 } 9518 if (bp.packageSetting == null) { 9519 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9520 + " from package " + bp.sourcePackage); 9521 it.remove(); 9522 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9523 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9524 Slog.i(TAG, "Removing old permission tree: " + bp.name 9525 + " from package " + bp.sourcePackage); 9526 flags |= UPDATE_PERMISSIONS_ALL; 9527 it.remove(); 9528 } 9529 } 9530 } 9531 9532 // Make sure all dynamic permissions have been assigned to a package, 9533 // and make sure there are no dangling permissions. 9534 it = mSettings.mPermissions.values().iterator(); 9535 while (it.hasNext()) { 9536 final BasePermission bp = it.next(); 9537 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9538 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9539 + bp.name + " pkg=" + bp.sourcePackage 9540 + " info=" + bp.pendingInfo); 9541 if (bp.packageSetting == null && bp.pendingInfo != null) { 9542 final BasePermission tree = findPermissionTreeLP(bp.name); 9543 if (tree != null && tree.perm != null) { 9544 bp.packageSetting = tree.packageSetting; 9545 bp.perm = new PackageParser.Permission(tree.perm.owner, 9546 new PermissionInfo(bp.pendingInfo)); 9547 bp.perm.info.packageName = tree.perm.info.packageName; 9548 bp.perm.info.name = bp.name; 9549 bp.uid = tree.uid; 9550 } 9551 } 9552 } 9553 if (bp.packageSetting == null) { 9554 // We may not yet have parsed the package, so just see if 9555 // we still know about its settings. 9556 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9557 } 9558 if (bp.packageSetting == null) { 9559 Slog.w(TAG, "Removing dangling permission: " + bp.name 9560 + " from package " + bp.sourcePackage); 9561 it.remove(); 9562 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9563 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9564 Slog.i(TAG, "Removing old permission: " + bp.name 9565 + " from package " + bp.sourcePackage); 9566 flags |= UPDATE_PERMISSIONS_ALL; 9567 it.remove(); 9568 } 9569 } 9570 } 9571 9572 // Now update the permissions for all packages, in particular 9573 // replace the granted permissions of the system packages. 9574 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9575 for (PackageParser.Package pkg : mPackages.values()) { 9576 if (pkg != pkgInfo) { 9577 // Only replace for packages on requested volume 9578 final String volumeUuid = getVolumeUuidForPackage(pkg); 9579 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9580 && Objects.equals(replaceVolumeUuid, volumeUuid); 9581 grantPermissionsLPw(pkg, replace, changingPkg); 9582 } 9583 } 9584 } 9585 9586 if (pkgInfo != null) { 9587 // Only replace for packages on requested volume 9588 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9589 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9590 && Objects.equals(replaceVolumeUuid, volumeUuid); 9591 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9592 } 9593 } 9594 9595 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9596 String packageOfInterest) { 9597 // IMPORTANT: There are two types of permissions: install and runtime. 9598 // Install time permissions are granted when the app is installed to 9599 // all device users and users added in the future. Runtime permissions 9600 // are granted at runtime explicitly to specific users. Normal and signature 9601 // protected permissions are install time permissions. Dangerous permissions 9602 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9603 // otherwise they are runtime permissions. This function does not manage 9604 // runtime permissions except for the case an app targeting Lollipop MR1 9605 // being upgraded to target a newer SDK, in which case dangerous permissions 9606 // are transformed from install time to runtime ones. 9607 9608 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9609 if (ps == null) { 9610 return; 9611 } 9612 9613 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9614 9615 PermissionsState permissionsState = ps.getPermissionsState(); 9616 PermissionsState origPermissions = permissionsState; 9617 9618 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9619 9620 boolean runtimePermissionsRevoked = false; 9621 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9622 9623 boolean changedInstallPermission = false; 9624 9625 if (replace) { 9626 ps.installPermissionsFixed = false; 9627 if (!ps.isSharedUser()) { 9628 origPermissions = new PermissionsState(permissionsState); 9629 permissionsState.reset(); 9630 } else { 9631 // We need to know only about runtime permission changes since the 9632 // calling code always writes the install permissions state but 9633 // the runtime ones are written only if changed. The only cases of 9634 // changed runtime permissions here are promotion of an install to 9635 // runtime and revocation of a runtime from a shared user. 9636 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9637 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9638 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9639 runtimePermissionsRevoked = true; 9640 } 9641 } 9642 } 9643 9644 permissionsState.setGlobalGids(mGlobalGids); 9645 9646 final int N = pkg.requestedPermissions.size(); 9647 for (int i=0; i<N; i++) { 9648 final String name = pkg.requestedPermissions.get(i); 9649 final BasePermission bp = mSettings.mPermissions.get(name); 9650 9651 if (DEBUG_INSTALL) { 9652 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9653 } 9654 9655 if (bp == null || bp.packageSetting == null) { 9656 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9657 Slog.w(TAG, "Unknown permission " + name 9658 + " in package " + pkg.packageName); 9659 } 9660 continue; 9661 } 9662 9663 final String perm = bp.name; 9664 boolean allowedSig = false; 9665 int grant = GRANT_DENIED; 9666 9667 // Keep track of app op permissions. 9668 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9669 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9670 if (pkgs == null) { 9671 pkgs = new ArraySet<>(); 9672 mAppOpPermissionPackages.put(bp.name, pkgs); 9673 } 9674 pkgs.add(pkg.packageName); 9675 } 9676 9677 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9678 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9679 >= Build.VERSION_CODES.M; 9680 switch (level) { 9681 case PermissionInfo.PROTECTION_NORMAL: { 9682 // For all apps normal permissions are install time ones. 9683 grant = GRANT_INSTALL; 9684 } break; 9685 9686 case PermissionInfo.PROTECTION_DANGEROUS: { 9687 // If a permission review is required for legacy apps we represent 9688 // their permissions as always granted runtime ones since we need 9689 // to keep the review required permission flag per user while an 9690 // install permission's state is shared across all users. 9691 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9692 // For legacy apps dangerous permissions are install time ones. 9693 grant = GRANT_INSTALL; 9694 } else if (origPermissions.hasInstallPermission(bp.name)) { 9695 // For legacy apps that became modern, install becomes runtime. 9696 grant = GRANT_UPGRADE; 9697 } else if (mPromoteSystemApps 9698 && isSystemApp(ps) 9699 && mExistingSystemPackages.contains(ps.name)) { 9700 // For legacy system apps, install becomes runtime. 9701 // We cannot check hasInstallPermission() for system apps since those 9702 // permissions were granted implicitly and not persisted pre-M. 9703 grant = GRANT_UPGRADE; 9704 } else { 9705 // For modern apps keep runtime permissions unchanged. 9706 grant = GRANT_RUNTIME; 9707 } 9708 } break; 9709 9710 case PermissionInfo.PROTECTION_SIGNATURE: { 9711 // For all apps signature permissions are install time ones. 9712 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9713 if (allowedSig) { 9714 grant = GRANT_INSTALL; 9715 } 9716 } break; 9717 } 9718 9719 if (DEBUG_INSTALL) { 9720 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9721 } 9722 9723 if (grant != GRANT_DENIED) { 9724 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9725 // If this is an existing, non-system package, then 9726 // we can't add any new permissions to it. 9727 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9728 // Except... if this is a permission that was added 9729 // to the platform (note: need to only do this when 9730 // updating the platform). 9731 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9732 grant = GRANT_DENIED; 9733 } 9734 } 9735 } 9736 9737 switch (grant) { 9738 case GRANT_INSTALL: { 9739 // Revoke this as runtime permission to handle the case of 9740 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9741 for (int userId : UserManagerService.getInstance().getUserIds()) { 9742 if (origPermissions.getRuntimePermissionState( 9743 bp.name, userId) != null) { 9744 // Revoke the runtime permission and clear the flags. 9745 origPermissions.revokeRuntimePermission(bp, userId); 9746 origPermissions.updatePermissionFlags(bp, userId, 9747 PackageManager.MASK_PERMISSION_FLAGS, 0); 9748 // If we revoked a permission permission, we have to write. 9749 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9750 changedRuntimePermissionUserIds, userId); 9751 } 9752 } 9753 // Grant an install permission. 9754 if (permissionsState.grantInstallPermission(bp) != 9755 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9756 changedInstallPermission = true; 9757 } 9758 } break; 9759 9760 case GRANT_RUNTIME: { 9761 // Grant previously granted runtime permissions. 9762 for (int userId : UserManagerService.getInstance().getUserIds()) { 9763 PermissionState permissionState = origPermissions 9764 .getRuntimePermissionState(bp.name, userId); 9765 int flags = permissionState != null 9766 ? permissionState.getFlags() : 0; 9767 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9768 if (permissionsState.grantRuntimePermission(bp, userId) == 9769 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9770 // If we cannot put the permission as it was, we have to write. 9771 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9772 changedRuntimePermissionUserIds, userId); 9773 } 9774 // If the app supports runtime permissions no need for a review. 9775 if (Build.PERMISSIONS_REVIEW_REQUIRED 9776 && appSupportsRuntimePermissions 9777 && (flags & PackageManager 9778 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9779 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9780 // Since we changed the flags, we have to write. 9781 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9782 changedRuntimePermissionUserIds, userId); 9783 } 9784 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9785 && !appSupportsRuntimePermissions) { 9786 // For legacy apps that need a permission review, every new 9787 // runtime permission is granted but it is pending a review. 9788 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9789 permissionsState.grantRuntimePermission(bp, userId); 9790 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9791 // We changed the permission and flags, hence have to write. 9792 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9793 changedRuntimePermissionUserIds, userId); 9794 } 9795 } 9796 // Propagate the permission flags. 9797 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9798 } 9799 } break; 9800 9801 case GRANT_UPGRADE: { 9802 // Grant runtime permissions for a previously held install permission. 9803 PermissionState permissionState = origPermissions 9804 .getInstallPermissionState(bp.name); 9805 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9806 9807 if (origPermissions.revokeInstallPermission(bp) 9808 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9809 // We will be transferring the permission flags, so clear them. 9810 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9811 PackageManager.MASK_PERMISSION_FLAGS, 0); 9812 changedInstallPermission = true; 9813 } 9814 9815 // If the permission is not to be promoted to runtime we ignore it and 9816 // also its other flags as they are not applicable to install permissions. 9817 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9818 for (int userId : currentUserIds) { 9819 if (permissionsState.grantRuntimePermission(bp, userId) != 9820 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9821 // Transfer the permission flags. 9822 permissionsState.updatePermissionFlags(bp, userId, 9823 flags, flags); 9824 // If we granted the permission, we have to write. 9825 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9826 changedRuntimePermissionUserIds, userId); 9827 } 9828 } 9829 } 9830 } break; 9831 9832 default: { 9833 if (packageOfInterest == null 9834 || packageOfInterest.equals(pkg.packageName)) { 9835 Slog.w(TAG, "Not granting permission " + perm 9836 + " to package " + pkg.packageName 9837 + " because it was previously installed without"); 9838 } 9839 } break; 9840 } 9841 } else { 9842 if (permissionsState.revokeInstallPermission(bp) != 9843 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9844 // Also drop the permission flags. 9845 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9846 PackageManager.MASK_PERMISSION_FLAGS, 0); 9847 changedInstallPermission = true; 9848 Slog.i(TAG, "Un-granting permission " + perm 9849 + " from package " + pkg.packageName 9850 + " (protectionLevel=" + bp.protectionLevel 9851 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9852 + ")"); 9853 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9854 // Don't print warning for app op permissions, since it is fine for them 9855 // not to be granted, there is a UI for the user to decide. 9856 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9857 Slog.w(TAG, "Not granting permission " + perm 9858 + " to package " + pkg.packageName 9859 + " (protectionLevel=" + bp.protectionLevel 9860 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9861 + ")"); 9862 } 9863 } 9864 } 9865 } 9866 9867 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9868 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9869 // This is the first that we have heard about this package, so the 9870 // permissions we have now selected are fixed until explicitly 9871 // changed. 9872 ps.installPermissionsFixed = true; 9873 } 9874 9875 // Persist the runtime permissions state for users with changes. If permissions 9876 // were revoked because no app in the shared user declares them we have to 9877 // write synchronously to avoid losing runtime permissions state. 9878 for (int userId : changedRuntimePermissionUserIds) { 9879 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9880 } 9881 9882 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9883 } 9884 9885 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9886 boolean allowed = false; 9887 final int NP = PackageParser.NEW_PERMISSIONS.length; 9888 for (int ip=0; ip<NP; ip++) { 9889 final PackageParser.NewPermissionInfo npi 9890 = PackageParser.NEW_PERMISSIONS[ip]; 9891 if (npi.name.equals(perm) 9892 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9893 allowed = true; 9894 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9895 + pkg.packageName); 9896 break; 9897 } 9898 } 9899 return allowed; 9900 } 9901 9902 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9903 BasePermission bp, PermissionsState origPermissions) { 9904 boolean allowed; 9905 allowed = (compareSignatures( 9906 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9907 == PackageManager.SIGNATURE_MATCH) 9908 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9909 == PackageManager.SIGNATURE_MATCH); 9910 if (!allowed && (bp.protectionLevel 9911 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9912 if (isSystemApp(pkg)) { 9913 // For updated system applications, a system permission 9914 // is granted only if it had been defined by the original application. 9915 if (pkg.isUpdatedSystemApp()) { 9916 final PackageSetting sysPs = mSettings 9917 .getDisabledSystemPkgLPr(pkg.packageName); 9918 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9919 // If the original was granted this permission, we take 9920 // that grant decision as read and propagate it to the 9921 // update. 9922 if (sysPs.isPrivileged()) { 9923 allowed = true; 9924 } 9925 } else { 9926 // The system apk may have been updated with an older 9927 // version of the one on the data partition, but which 9928 // granted a new system permission that it didn't have 9929 // before. In this case we do want to allow the app to 9930 // now get the new permission if the ancestral apk is 9931 // privileged to get it. 9932 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9933 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9934 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9935 allowed = true; 9936 break; 9937 } 9938 } 9939 } 9940 // Also if a privileged parent package on the system image or any of 9941 // its children requested a privileged permission, the updated child 9942 // packages can also get the permission. 9943 if (pkg.parentPackage != null) { 9944 final PackageSetting disabledSysParentPs = mSettings 9945 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9946 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9947 && disabledSysParentPs.isPrivileged()) { 9948 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9949 allowed = true; 9950 } else if (disabledSysParentPs.pkg.childPackages != null) { 9951 final int count = disabledSysParentPs.pkg.childPackages.size(); 9952 for (int i = 0; i < count; i++) { 9953 PackageParser.Package disabledSysChildPkg = 9954 disabledSysParentPs.pkg.childPackages.get(i); 9955 if (isPackageRequestingPermission(disabledSysChildPkg, 9956 perm)) { 9957 allowed = true; 9958 break; 9959 } 9960 } 9961 } 9962 } 9963 } 9964 } 9965 } else { 9966 allowed = isPrivilegedApp(pkg); 9967 } 9968 } 9969 } 9970 if (!allowed) { 9971 if (!allowed && (bp.protectionLevel 9972 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9973 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9974 // If this was a previously normal/dangerous permission that got moved 9975 // to a system permission as part of the runtime permission redesign, then 9976 // we still want to blindly grant it to old apps. 9977 allowed = true; 9978 } 9979 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9980 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9981 // If this permission is to be granted to the system installer and 9982 // this app is an installer, then it gets the permission. 9983 allowed = true; 9984 } 9985 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9986 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9987 // If this permission is to be granted to the system verifier and 9988 // this app is a verifier, then it gets the permission. 9989 allowed = true; 9990 } 9991 if (!allowed && (bp.protectionLevel 9992 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9993 && isSystemApp(pkg)) { 9994 // Any pre-installed system app is allowed to get this permission. 9995 allowed = true; 9996 } 9997 if (!allowed && (bp.protectionLevel 9998 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9999 // For development permissions, a development permission 10000 // is granted only if it was already granted. 10001 allowed = origPermissions.hasInstallPermission(perm); 10002 } 10003 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10004 && pkg.packageName.equals(mSetupWizardPackage)) { 10005 // If this permission is to be granted to the system setup wizard and 10006 // this app is a setup wizard, then it gets the permission. 10007 allowed = true; 10008 } 10009 } 10010 return allowed; 10011 } 10012 10013 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10014 final int permCount = pkg.requestedPermissions.size(); 10015 for (int j = 0; j < permCount; j++) { 10016 String requestedPermission = pkg.requestedPermissions.get(j); 10017 if (permission.equals(requestedPermission)) { 10018 return true; 10019 } 10020 } 10021 return false; 10022 } 10023 10024 final class ActivityIntentResolver 10025 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10026 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10027 boolean defaultOnly, int userId) { 10028 if (!sUserManager.exists(userId)) return null; 10029 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10030 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10031 } 10032 10033 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10034 int userId) { 10035 if (!sUserManager.exists(userId)) return null; 10036 mFlags = flags; 10037 return super.queryIntent(intent, resolvedType, 10038 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10039 } 10040 10041 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10042 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10043 if (!sUserManager.exists(userId)) return null; 10044 if (packageActivities == null) { 10045 return null; 10046 } 10047 mFlags = flags; 10048 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10049 final int N = packageActivities.size(); 10050 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10051 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10052 10053 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10054 for (int i = 0; i < N; ++i) { 10055 intentFilters = packageActivities.get(i).intents; 10056 if (intentFilters != null && intentFilters.size() > 0) { 10057 PackageParser.ActivityIntentInfo[] array = 10058 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10059 intentFilters.toArray(array); 10060 listCut.add(array); 10061 } 10062 } 10063 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10064 } 10065 10066 /** 10067 * Finds a privileged activity that matches the specified activity names. 10068 */ 10069 private PackageParser.Activity findMatchingActivity( 10070 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10071 for (PackageParser.Activity sysActivity : activityList) { 10072 if (sysActivity.info.name.equals(activityInfo.name)) { 10073 return sysActivity; 10074 } 10075 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10076 return sysActivity; 10077 } 10078 if (sysActivity.info.targetActivity != null) { 10079 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10080 return sysActivity; 10081 } 10082 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10083 return sysActivity; 10084 } 10085 } 10086 } 10087 return null; 10088 } 10089 10090 public class IterGenerator<E> { 10091 public Iterator<E> generate(ActivityIntentInfo info) { 10092 return null; 10093 } 10094 } 10095 10096 public class ActionIterGenerator extends IterGenerator<String> { 10097 @Override 10098 public Iterator<String> generate(ActivityIntentInfo info) { 10099 return info.actionsIterator(); 10100 } 10101 } 10102 10103 public class CategoriesIterGenerator extends IterGenerator<String> { 10104 @Override 10105 public Iterator<String> generate(ActivityIntentInfo info) { 10106 return info.categoriesIterator(); 10107 } 10108 } 10109 10110 public class SchemesIterGenerator extends IterGenerator<String> { 10111 @Override 10112 public Iterator<String> generate(ActivityIntentInfo info) { 10113 return info.schemesIterator(); 10114 } 10115 } 10116 10117 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10118 @Override 10119 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10120 return info.authoritiesIterator(); 10121 } 10122 } 10123 10124 /** 10125 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10126 * MODIFIED. Do not pass in a list that should not be changed. 10127 */ 10128 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10129 IterGenerator<T> generator, Iterator<T> searchIterator) { 10130 // loop through the set of actions; every one must be found in the intent filter 10131 while (searchIterator.hasNext()) { 10132 // we must have at least one filter in the list to consider a match 10133 if (intentList.size() == 0) { 10134 break; 10135 } 10136 10137 final T searchAction = searchIterator.next(); 10138 10139 // loop through the set of intent filters 10140 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10141 while (intentIter.hasNext()) { 10142 final ActivityIntentInfo intentInfo = intentIter.next(); 10143 boolean selectionFound = false; 10144 10145 // loop through the intent filter's selection criteria; at least one 10146 // of them must match the searched criteria 10147 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10148 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10149 final T intentSelection = intentSelectionIter.next(); 10150 if (intentSelection != null && intentSelection.equals(searchAction)) { 10151 selectionFound = true; 10152 break; 10153 } 10154 } 10155 10156 // the selection criteria wasn't found in this filter's set; this filter 10157 // is not a potential match 10158 if (!selectionFound) { 10159 intentIter.remove(); 10160 } 10161 } 10162 } 10163 } 10164 10165 private boolean isProtectedAction(ActivityIntentInfo filter) { 10166 final Iterator<String> actionsIter = filter.actionsIterator(); 10167 while (actionsIter != null && actionsIter.hasNext()) { 10168 final String filterAction = actionsIter.next(); 10169 if (PROTECTED_ACTIONS.contains(filterAction)) { 10170 return true; 10171 } 10172 } 10173 return false; 10174 } 10175 10176 /** 10177 * Adjusts the priority of the given intent filter according to policy. 10178 * <p> 10179 * <ul> 10180 * <li>The priority for non privileged applications is capped to '0'</li> 10181 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10182 * <li>The priority for unbundled updates to privileged applications is capped to the 10183 * priority defined on the system partition</li> 10184 * </ul> 10185 * <p> 10186 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10187 * allowed to obtain any priority on any action. 10188 */ 10189 private void adjustPriority( 10190 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10191 // nothing to do; priority is fine as-is 10192 if (intent.getPriority() <= 0) { 10193 return; 10194 } 10195 10196 final ActivityInfo activityInfo = intent.activity.info; 10197 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10198 10199 final boolean privilegedApp = 10200 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10201 if (!privilegedApp) { 10202 // non-privileged applications can never define a priority >0 10203 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10204 + " package: " + applicationInfo.packageName 10205 + " activity: " + intent.activity.className 10206 + " origPrio: " + intent.getPriority()); 10207 intent.setPriority(0); 10208 return; 10209 } 10210 10211 if (systemActivities == null) { 10212 // the system package is not disabled; we're parsing the system partition 10213 if (isProtectedAction(intent)) { 10214 if (mDeferProtectedFilters) { 10215 // We can't deal with these just yet. No component should ever obtain a 10216 // >0 priority for a protected actions, with ONE exception -- the setup 10217 // wizard. The setup wizard, however, cannot be known until we're able to 10218 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10219 // until all intent filters have been processed. Chicken, meet egg. 10220 // Let the filter temporarily have a high priority and rectify the 10221 // priorities after all system packages have been scanned. 10222 mProtectedFilters.add(intent); 10223 if (DEBUG_FILTERS) { 10224 Slog.i(TAG, "Protected action; save for later;" 10225 + " package: " + applicationInfo.packageName 10226 + " activity: " + intent.activity.className 10227 + " origPrio: " + intent.getPriority()); 10228 } 10229 return; 10230 } else { 10231 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10232 Slog.i(TAG, "No setup wizard;" 10233 + " All protected intents capped to priority 0"); 10234 } 10235 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10236 if (DEBUG_FILTERS) { 10237 Slog.i(TAG, "Found setup wizard;" 10238 + " allow priority " + intent.getPriority() + ";" 10239 + " package: " + intent.activity.info.packageName 10240 + " activity: " + intent.activity.className 10241 + " priority: " + intent.getPriority()); 10242 } 10243 // setup wizard gets whatever it wants 10244 return; 10245 } 10246 Slog.w(TAG, "Protected action; cap priority to 0;" 10247 + " package: " + intent.activity.info.packageName 10248 + " activity: " + intent.activity.className 10249 + " origPrio: " + intent.getPriority()); 10250 intent.setPriority(0); 10251 return; 10252 } 10253 } 10254 // privileged apps on the system image get whatever priority they request 10255 return; 10256 } 10257 10258 // privileged app unbundled update ... try to find the same activity 10259 final PackageParser.Activity foundActivity = 10260 findMatchingActivity(systemActivities, activityInfo); 10261 if (foundActivity == null) { 10262 // this is a new activity; it cannot obtain >0 priority 10263 if (DEBUG_FILTERS) { 10264 Slog.i(TAG, "New activity; cap priority to 0;" 10265 + " package: " + applicationInfo.packageName 10266 + " activity: " + intent.activity.className 10267 + " origPrio: " + intent.getPriority()); 10268 } 10269 intent.setPriority(0); 10270 return; 10271 } 10272 10273 // found activity, now check for filter equivalence 10274 10275 // a shallow copy is enough; we modify the list, not its contents 10276 final List<ActivityIntentInfo> intentListCopy = 10277 new ArrayList<>(foundActivity.intents); 10278 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10279 10280 // find matching action subsets 10281 final Iterator<String> actionsIterator = intent.actionsIterator(); 10282 if (actionsIterator != null) { 10283 getIntentListSubset( 10284 intentListCopy, new ActionIterGenerator(), actionsIterator); 10285 if (intentListCopy.size() == 0) { 10286 // no more intents to match; we're not equivalent 10287 if (DEBUG_FILTERS) { 10288 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10289 + " package: " + applicationInfo.packageName 10290 + " activity: " + intent.activity.className 10291 + " origPrio: " + intent.getPriority()); 10292 } 10293 intent.setPriority(0); 10294 return; 10295 } 10296 } 10297 10298 // find matching category subsets 10299 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10300 if (categoriesIterator != null) { 10301 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10302 categoriesIterator); 10303 if (intentListCopy.size() == 0) { 10304 // no more intents to match; we're not equivalent 10305 if (DEBUG_FILTERS) { 10306 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10307 + " package: " + applicationInfo.packageName 10308 + " activity: " + intent.activity.className 10309 + " origPrio: " + intent.getPriority()); 10310 } 10311 intent.setPriority(0); 10312 return; 10313 } 10314 } 10315 10316 // find matching schemes subsets 10317 final Iterator<String> schemesIterator = intent.schemesIterator(); 10318 if (schemesIterator != null) { 10319 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10320 schemesIterator); 10321 if (intentListCopy.size() == 0) { 10322 // no more intents to match; we're not equivalent 10323 if (DEBUG_FILTERS) { 10324 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10325 + " package: " + applicationInfo.packageName 10326 + " activity: " + intent.activity.className 10327 + " origPrio: " + intent.getPriority()); 10328 } 10329 intent.setPriority(0); 10330 return; 10331 } 10332 } 10333 10334 // find matching authorities subsets 10335 final Iterator<IntentFilter.AuthorityEntry> 10336 authoritiesIterator = intent.authoritiesIterator(); 10337 if (authoritiesIterator != null) { 10338 getIntentListSubset(intentListCopy, 10339 new AuthoritiesIterGenerator(), 10340 authoritiesIterator); 10341 if (intentListCopy.size() == 0) { 10342 // no more intents to match; we're not equivalent 10343 if (DEBUG_FILTERS) { 10344 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10345 + " package: " + applicationInfo.packageName 10346 + " activity: " + intent.activity.className 10347 + " origPrio: " + intent.getPriority()); 10348 } 10349 intent.setPriority(0); 10350 return; 10351 } 10352 } 10353 10354 // we found matching filter(s); app gets the max priority of all intents 10355 int cappedPriority = 0; 10356 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10357 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10358 } 10359 if (intent.getPriority() > cappedPriority) { 10360 if (DEBUG_FILTERS) { 10361 Slog.i(TAG, "Found matching filter(s);" 10362 + " cap priority to " + cappedPriority + ";" 10363 + " package: " + applicationInfo.packageName 10364 + " activity: " + intent.activity.className 10365 + " origPrio: " + intent.getPriority()); 10366 } 10367 intent.setPriority(cappedPriority); 10368 return; 10369 } 10370 // all this for nothing; the requested priority was <= what was on the system 10371 } 10372 10373 public final void addActivity(PackageParser.Activity a, String type) { 10374 mActivities.put(a.getComponentName(), a); 10375 if (DEBUG_SHOW_INFO) 10376 Log.v( 10377 TAG, " " + type + " " + 10378 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10379 if (DEBUG_SHOW_INFO) 10380 Log.v(TAG, " Class=" + a.info.name); 10381 final int NI = a.intents.size(); 10382 for (int j=0; j<NI; j++) { 10383 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10384 if ("activity".equals(type)) { 10385 final PackageSetting ps = 10386 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10387 final List<PackageParser.Activity> systemActivities = 10388 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10389 adjustPriority(systemActivities, intent); 10390 } 10391 if (DEBUG_SHOW_INFO) { 10392 Log.v(TAG, " IntentFilter:"); 10393 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10394 } 10395 if (!intent.debugCheck()) { 10396 Log.w(TAG, "==> For Activity " + a.info.name); 10397 } 10398 addFilter(intent); 10399 } 10400 } 10401 10402 public final void removeActivity(PackageParser.Activity a, String type) { 10403 mActivities.remove(a.getComponentName()); 10404 if (DEBUG_SHOW_INFO) { 10405 Log.v(TAG, " " + type + " " 10406 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10407 : a.info.name) + ":"); 10408 Log.v(TAG, " Class=" + a.info.name); 10409 } 10410 final int NI = a.intents.size(); 10411 for (int j=0; j<NI; j++) { 10412 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10413 if (DEBUG_SHOW_INFO) { 10414 Log.v(TAG, " IntentFilter:"); 10415 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10416 } 10417 removeFilter(intent); 10418 } 10419 } 10420 10421 @Override 10422 protected boolean allowFilterResult( 10423 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10424 ActivityInfo filterAi = filter.activity.info; 10425 for (int i=dest.size()-1; i>=0; i--) { 10426 ActivityInfo destAi = dest.get(i).activityInfo; 10427 if (destAi.name == filterAi.name 10428 && destAi.packageName == filterAi.packageName) { 10429 return false; 10430 } 10431 } 10432 return true; 10433 } 10434 10435 @Override 10436 protected ActivityIntentInfo[] newArray(int size) { 10437 return new ActivityIntentInfo[size]; 10438 } 10439 10440 @Override 10441 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10442 if (!sUserManager.exists(userId)) return true; 10443 PackageParser.Package p = filter.activity.owner; 10444 if (p != null) { 10445 PackageSetting ps = (PackageSetting)p.mExtras; 10446 if (ps != null) { 10447 // System apps are never considered stopped for purposes of 10448 // filtering, because there may be no way for the user to 10449 // actually re-launch them. 10450 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10451 && ps.getStopped(userId); 10452 } 10453 } 10454 return false; 10455 } 10456 10457 @Override 10458 protected boolean isPackageForFilter(String packageName, 10459 PackageParser.ActivityIntentInfo info) { 10460 return packageName.equals(info.activity.owner.packageName); 10461 } 10462 10463 @Override 10464 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10465 int match, int userId) { 10466 if (!sUserManager.exists(userId)) return null; 10467 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10468 return null; 10469 } 10470 final PackageParser.Activity activity = info.activity; 10471 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10472 if (ps == null) { 10473 return null; 10474 } 10475 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10476 ps.readUserState(userId), userId); 10477 if (ai == null) { 10478 return null; 10479 } 10480 final ResolveInfo res = new ResolveInfo(); 10481 res.activityInfo = ai; 10482 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10483 res.filter = info; 10484 } 10485 if (info != null) { 10486 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10487 } 10488 res.priority = info.getPriority(); 10489 res.preferredOrder = activity.owner.mPreferredOrder; 10490 //System.out.println("Result: " + res.activityInfo.className + 10491 // " = " + res.priority); 10492 res.match = match; 10493 res.isDefault = info.hasDefault; 10494 res.labelRes = info.labelRes; 10495 res.nonLocalizedLabel = info.nonLocalizedLabel; 10496 if (userNeedsBadging(userId)) { 10497 res.noResourceId = true; 10498 } else { 10499 res.icon = info.icon; 10500 } 10501 res.iconResourceId = info.icon; 10502 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10503 return res; 10504 } 10505 10506 @Override 10507 protected void sortResults(List<ResolveInfo> results) { 10508 Collections.sort(results, mResolvePrioritySorter); 10509 } 10510 10511 @Override 10512 protected void dumpFilter(PrintWriter out, String prefix, 10513 PackageParser.ActivityIntentInfo filter) { 10514 out.print(prefix); out.print( 10515 Integer.toHexString(System.identityHashCode(filter.activity))); 10516 out.print(' '); 10517 filter.activity.printComponentShortName(out); 10518 out.print(" filter "); 10519 out.println(Integer.toHexString(System.identityHashCode(filter))); 10520 } 10521 10522 @Override 10523 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10524 return filter.activity; 10525 } 10526 10527 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10528 PackageParser.Activity activity = (PackageParser.Activity)label; 10529 out.print(prefix); out.print( 10530 Integer.toHexString(System.identityHashCode(activity))); 10531 out.print(' '); 10532 activity.printComponentShortName(out); 10533 if (count > 1) { 10534 out.print(" ("); out.print(count); out.print(" filters)"); 10535 } 10536 out.println(); 10537 } 10538 10539 // Keys are String (activity class name), values are Activity. 10540 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10541 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10542 private int mFlags; 10543 } 10544 10545 private final class ServiceIntentResolver 10546 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10547 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10548 boolean defaultOnly, int userId) { 10549 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10550 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10551 } 10552 10553 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10554 int userId) { 10555 if (!sUserManager.exists(userId)) return null; 10556 mFlags = flags; 10557 return super.queryIntent(intent, resolvedType, 10558 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10559 } 10560 10561 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10562 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10563 if (!sUserManager.exists(userId)) return null; 10564 if (packageServices == null) { 10565 return null; 10566 } 10567 mFlags = flags; 10568 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10569 final int N = packageServices.size(); 10570 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10571 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10572 10573 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10574 for (int i = 0; i < N; ++i) { 10575 intentFilters = packageServices.get(i).intents; 10576 if (intentFilters != null && intentFilters.size() > 0) { 10577 PackageParser.ServiceIntentInfo[] array = 10578 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10579 intentFilters.toArray(array); 10580 listCut.add(array); 10581 } 10582 } 10583 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10584 } 10585 10586 public final void addService(PackageParser.Service s) { 10587 mServices.put(s.getComponentName(), s); 10588 if (DEBUG_SHOW_INFO) { 10589 Log.v(TAG, " " 10590 + (s.info.nonLocalizedLabel != null 10591 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10592 Log.v(TAG, " Class=" + s.info.name); 10593 } 10594 final int NI = s.intents.size(); 10595 int j; 10596 for (j=0; j<NI; j++) { 10597 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10598 if (DEBUG_SHOW_INFO) { 10599 Log.v(TAG, " IntentFilter:"); 10600 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10601 } 10602 if (!intent.debugCheck()) { 10603 Log.w(TAG, "==> For Service " + s.info.name); 10604 } 10605 addFilter(intent); 10606 } 10607 } 10608 10609 public final void removeService(PackageParser.Service s) { 10610 mServices.remove(s.getComponentName()); 10611 if (DEBUG_SHOW_INFO) { 10612 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10613 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10614 Log.v(TAG, " Class=" + s.info.name); 10615 } 10616 final int NI = s.intents.size(); 10617 int j; 10618 for (j=0; j<NI; j++) { 10619 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10620 if (DEBUG_SHOW_INFO) { 10621 Log.v(TAG, " IntentFilter:"); 10622 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10623 } 10624 removeFilter(intent); 10625 } 10626 } 10627 10628 @Override 10629 protected boolean allowFilterResult( 10630 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10631 ServiceInfo filterSi = filter.service.info; 10632 for (int i=dest.size()-1; i>=0; i--) { 10633 ServiceInfo destAi = dest.get(i).serviceInfo; 10634 if (destAi.name == filterSi.name 10635 && destAi.packageName == filterSi.packageName) { 10636 return false; 10637 } 10638 } 10639 return true; 10640 } 10641 10642 @Override 10643 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10644 return new PackageParser.ServiceIntentInfo[size]; 10645 } 10646 10647 @Override 10648 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10649 if (!sUserManager.exists(userId)) return true; 10650 PackageParser.Package p = filter.service.owner; 10651 if (p != null) { 10652 PackageSetting ps = (PackageSetting)p.mExtras; 10653 if (ps != null) { 10654 // System apps are never considered stopped for purposes of 10655 // filtering, because there may be no way for the user to 10656 // actually re-launch them. 10657 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10658 && ps.getStopped(userId); 10659 } 10660 } 10661 return false; 10662 } 10663 10664 @Override 10665 protected boolean isPackageForFilter(String packageName, 10666 PackageParser.ServiceIntentInfo info) { 10667 return packageName.equals(info.service.owner.packageName); 10668 } 10669 10670 @Override 10671 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10672 int match, int userId) { 10673 if (!sUserManager.exists(userId)) return null; 10674 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10675 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10676 return null; 10677 } 10678 final PackageParser.Service service = info.service; 10679 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10680 if (ps == null) { 10681 return null; 10682 } 10683 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10684 ps.readUserState(userId), userId); 10685 if (si == null) { 10686 return null; 10687 } 10688 final ResolveInfo res = new ResolveInfo(); 10689 res.serviceInfo = si; 10690 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10691 res.filter = filter; 10692 } 10693 res.priority = info.getPriority(); 10694 res.preferredOrder = service.owner.mPreferredOrder; 10695 res.match = match; 10696 res.isDefault = info.hasDefault; 10697 res.labelRes = info.labelRes; 10698 res.nonLocalizedLabel = info.nonLocalizedLabel; 10699 res.icon = info.icon; 10700 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10701 return res; 10702 } 10703 10704 @Override 10705 protected void sortResults(List<ResolveInfo> results) { 10706 Collections.sort(results, mResolvePrioritySorter); 10707 } 10708 10709 @Override 10710 protected void dumpFilter(PrintWriter out, String prefix, 10711 PackageParser.ServiceIntentInfo filter) { 10712 out.print(prefix); out.print( 10713 Integer.toHexString(System.identityHashCode(filter.service))); 10714 out.print(' '); 10715 filter.service.printComponentShortName(out); 10716 out.print(" filter "); 10717 out.println(Integer.toHexString(System.identityHashCode(filter))); 10718 } 10719 10720 @Override 10721 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10722 return filter.service; 10723 } 10724 10725 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10726 PackageParser.Service service = (PackageParser.Service)label; 10727 out.print(prefix); out.print( 10728 Integer.toHexString(System.identityHashCode(service))); 10729 out.print(' '); 10730 service.printComponentShortName(out); 10731 if (count > 1) { 10732 out.print(" ("); out.print(count); out.print(" filters)"); 10733 } 10734 out.println(); 10735 } 10736 10737// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10738// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10739// final List<ResolveInfo> retList = Lists.newArrayList(); 10740// while (i.hasNext()) { 10741// final ResolveInfo resolveInfo = (ResolveInfo) i; 10742// if (isEnabledLP(resolveInfo.serviceInfo)) { 10743// retList.add(resolveInfo); 10744// } 10745// } 10746// return retList; 10747// } 10748 10749 // Keys are String (activity class name), values are Activity. 10750 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10751 = new ArrayMap<ComponentName, PackageParser.Service>(); 10752 private int mFlags; 10753 }; 10754 10755 private final class ProviderIntentResolver 10756 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10757 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10758 boolean defaultOnly, int userId) { 10759 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10760 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10761 } 10762 10763 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10764 int userId) { 10765 if (!sUserManager.exists(userId)) 10766 return null; 10767 mFlags = flags; 10768 return super.queryIntent(intent, resolvedType, 10769 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10770 } 10771 10772 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10773 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10774 if (!sUserManager.exists(userId)) 10775 return null; 10776 if (packageProviders == null) { 10777 return null; 10778 } 10779 mFlags = flags; 10780 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10781 final int N = packageProviders.size(); 10782 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10783 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10784 10785 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10786 for (int i = 0; i < N; ++i) { 10787 intentFilters = packageProviders.get(i).intents; 10788 if (intentFilters != null && intentFilters.size() > 0) { 10789 PackageParser.ProviderIntentInfo[] array = 10790 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10791 intentFilters.toArray(array); 10792 listCut.add(array); 10793 } 10794 } 10795 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10796 } 10797 10798 public final void addProvider(PackageParser.Provider p) { 10799 if (mProviders.containsKey(p.getComponentName())) { 10800 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10801 return; 10802 } 10803 10804 mProviders.put(p.getComponentName(), p); 10805 if (DEBUG_SHOW_INFO) { 10806 Log.v(TAG, " " 10807 + (p.info.nonLocalizedLabel != null 10808 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10809 Log.v(TAG, " Class=" + p.info.name); 10810 } 10811 final int NI = p.intents.size(); 10812 int j; 10813 for (j = 0; j < NI; j++) { 10814 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10815 if (DEBUG_SHOW_INFO) { 10816 Log.v(TAG, " IntentFilter:"); 10817 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10818 } 10819 if (!intent.debugCheck()) { 10820 Log.w(TAG, "==> For Provider " + p.info.name); 10821 } 10822 addFilter(intent); 10823 } 10824 } 10825 10826 public final void removeProvider(PackageParser.Provider p) { 10827 mProviders.remove(p.getComponentName()); 10828 if (DEBUG_SHOW_INFO) { 10829 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10830 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10831 Log.v(TAG, " Class=" + p.info.name); 10832 } 10833 final int NI = p.intents.size(); 10834 int j; 10835 for (j = 0; j < NI; j++) { 10836 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10837 if (DEBUG_SHOW_INFO) { 10838 Log.v(TAG, " IntentFilter:"); 10839 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10840 } 10841 removeFilter(intent); 10842 } 10843 } 10844 10845 @Override 10846 protected boolean allowFilterResult( 10847 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10848 ProviderInfo filterPi = filter.provider.info; 10849 for (int i = dest.size() - 1; i >= 0; i--) { 10850 ProviderInfo destPi = dest.get(i).providerInfo; 10851 if (destPi.name == filterPi.name 10852 && destPi.packageName == filterPi.packageName) { 10853 return false; 10854 } 10855 } 10856 return true; 10857 } 10858 10859 @Override 10860 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10861 return new PackageParser.ProviderIntentInfo[size]; 10862 } 10863 10864 @Override 10865 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10866 if (!sUserManager.exists(userId)) 10867 return true; 10868 PackageParser.Package p = filter.provider.owner; 10869 if (p != null) { 10870 PackageSetting ps = (PackageSetting) p.mExtras; 10871 if (ps != null) { 10872 // System apps are never considered stopped for purposes of 10873 // filtering, because there may be no way for the user to 10874 // actually re-launch them. 10875 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10876 && ps.getStopped(userId); 10877 } 10878 } 10879 return false; 10880 } 10881 10882 @Override 10883 protected boolean isPackageForFilter(String packageName, 10884 PackageParser.ProviderIntentInfo info) { 10885 return packageName.equals(info.provider.owner.packageName); 10886 } 10887 10888 @Override 10889 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10890 int match, int userId) { 10891 if (!sUserManager.exists(userId)) 10892 return null; 10893 final PackageParser.ProviderIntentInfo info = filter; 10894 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10895 return null; 10896 } 10897 final PackageParser.Provider provider = info.provider; 10898 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10899 if (ps == null) { 10900 return null; 10901 } 10902 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10903 ps.readUserState(userId), userId); 10904 if (pi == null) { 10905 return null; 10906 } 10907 final ResolveInfo res = new ResolveInfo(); 10908 res.providerInfo = pi; 10909 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10910 res.filter = filter; 10911 } 10912 res.priority = info.getPriority(); 10913 res.preferredOrder = provider.owner.mPreferredOrder; 10914 res.match = match; 10915 res.isDefault = info.hasDefault; 10916 res.labelRes = info.labelRes; 10917 res.nonLocalizedLabel = info.nonLocalizedLabel; 10918 res.icon = info.icon; 10919 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10920 return res; 10921 } 10922 10923 @Override 10924 protected void sortResults(List<ResolveInfo> results) { 10925 Collections.sort(results, mResolvePrioritySorter); 10926 } 10927 10928 @Override 10929 protected void dumpFilter(PrintWriter out, String prefix, 10930 PackageParser.ProviderIntentInfo filter) { 10931 out.print(prefix); 10932 out.print( 10933 Integer.toHexString(System.identityHashCode(filter.provider))); 10934 out.print(' '); 10935 filter.provider.printComponentShortName(out); 10936 out.print(" filter "); 10937 out.println(Integer.toHexString(System.identityHashCode(filter))); 10938 } 10939 10940 @Override 10941 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10942 return filter.provider; 10943 } 10944 10945 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10946 PackageParser.Provider provider = (PackageParser.Provider)label; 10947 out.print(prefix); out.print( 10948 Integer.toHexString(System.identityHashCode(provider))); 10949 out.print(' '); 10950 provider.printComponentShortName(out); 10951 if (count > 1) { 10952 out.print(" ("); out.print(count); out.print(" filters)"); 10953 } 10954 out.println(); 10955 } 10956 10957 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10958 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10959 private int mFlags; 10960 } 10961 10962 private static final class EphemeralIntentResolver 10963 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10964 @Override 10965 protected EphemeralResolveIntentInfo[] newArray(int size) { 10966 return new EphemeralResolveIntentInfo[size]; 10967 } 10968 10969 @Override 10970 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10971 return true; 10972 } 10973 10974 @Override 10975 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10976 int userId) { 10977 if (!sUserManager.exists(userId)) { 10978 return null; 10979 } 10980 return info.getEphemeralResolveInfo(); 10981 } 10982 } 10983 10984 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10985 new Comparator<ResolveInfo>() { 10986 public int compare(ResolveInfo r1, ResolveInfo r2) { 10987 int v1 = r1.priority; 10988 int v2 = r2.priority; 10989 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10990 if (v1 != v2) { 10991 return (v1 > v2) ? -1 : 1; 10992 } 10993 v1 = r1.preferredOrder; 10994 v2 = r2.preferredOrder; 10995 if (v1 != v2) { 10996 return (v1 > v2) ? -1 : 1; 10997 } 10998 if (r1.isDefault != r2.isDefault) { 10999 return r1.isDefault ? -1 : 1; 11000 } 11001 v1 = r1.match; 11002 v2 = r2.match; 11003 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11004 if (v1 != v2) { 11005 return (v1 > v2) ? -1 : 1; 11006 } 11007 if (r1.system != r2.system) { 11008 return r1.system ? -1 : 1; 11009 } 11010 if (r1.activityInfo != null) { 11011 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11012 } 11013 if (r1.serviceInfo != null) { 11014 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11015 } 11016 if (r1.providerInfo != null) { 11017 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11018 } 11019 return 0; 11020 } 11021 }; 11022 11023 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11024 new Comparator<ProviderInfo>() { 11025 public int compare(ProviderInfo p1, ProviderInfo p2) { 11026 final int v1 = p1.initOrder; 11027 final int v2 = p2.initOrder; 11028 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11029 } 11030 }; 11031 11032 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11033 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11034 final int[] userIds) { 11035 mHandler.post(new Runnable() { 11036 @Override 11037 public void run() { 11038 try { 11039 final IActivityManager am = ActivityManagerNative.getDefault(); 11040 if (am == null) return; 11041 final int[] resolvedUserIds; 11042 if (userIds == null) { 11043 resolvedUserIds = am.getRunningUserIds(); 11044 } else { 11045 resolvedUserIds = userIds; 11046 } 11047 for (int id : resolvedUserIds) { 11048 final Intent intent = new Intent(action, 11049 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11050 if (extras != null) { 11051 intent.putExtras(extras); 11052 } 11053 if (targetPkg != null) { 11054 intent.setPackage(targetPkg); 11055 } 11056 // Modify the UID when posting to other users 11057 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11058 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11059 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11060 intent.putExtra(Intent.EXTRA_UID, uid); 11061 } 11062 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11063 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11064 if (DEBUG_BROADCASTS) { 11065 RuntimeException here = new RuntimeException("here"); 11066 here.fillInStackTrace(); 11067 Slog.d(TAG, "Sending to user " + id + ": " 11068 + intent.toShortString(false, true, false, false) 11069 + " " + intent.getExtras(), here); 11070 } 11071 am.broadcastIntent(null, intent, null, finishedReceiver, 11072 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11073 null, finishedReceiver != null, false, id); 11074 } 11075 } catch (RemoteException ex) { 11076 } 11077 } 11078 }); 11079 } 11080 11081 /** 11082 * Check if the external storage media is available. This is true if there 11083 * is a mounted external storage medium or if the external storage is 11084 * emulated. 11085 */ 11086 private boolean isExternalMediaAvailable() { 11087 return mMediaMounted || Environment.isExternalStorageEmulated(); 11088 } 11089 11090 @Override 11091 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11092 // writer 11093 synchronized (mPackages) { 11094 if (!isExternalMediaAvailable()) { 11095 // If the external storage is no longer mounted at this point, 11096 // the caller may not have been able to delete all of this 11097 // packages files and can not delete any more. Bail. 11098 return null; 11099 } 11100 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11101 if (lastPackage != null) { 11102 pkgs.remove(lastPackage); 11103 } 11104 if (pkgs.size() > 0) { 11105 return pkgs.get(0); 11106 } 11107 } 11108 return null; 11109 } 11110 11111 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11112 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11113 userId, andCode ? 1 : 0, packageName); 11114 if (mSystemReady) { 11115 msg.sendToTarget(); 11116 } else { 11117 if (mPostSystemReadyMessages == null) { 11118 mPostSystemReadyMessages = new ArrayList<>(); 11119 } 11120 mPostSystemReadyMessages.add(msg); 11121 } 11122 } 11123 11124 void startCleaningPackages() { 11125 // reader 11126 if (!isExternalMediaAvailable()) { 11127 return; 11128 } 11129 synchronized (mPackages) { 11130 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11131 return; 11132 } 11133 } 11134 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11135 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11136 IActivityManager am = ActivityManagerNative.getDefault(); 11137 if (am != null) { 11138 try { 11139 am.startService(null, intent, null, mContext.getOpPackageName(), 11140 UserHandle.USER_SYSTEM); 11141 } catch (RemoteException e) { 11142 } 11143 } 11144 } 11145 11146 @Override 11147 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11148 int installFlags, String installerPackageName, int userId) { 11149 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11150 11151 final int callingUid = Binder.getCallingUid(); 11152 enforceCrossUserPermission(callingUid, userId, 11153 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11154 11155 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11156 try { 11157 if (observer != null) { 11158 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11159 } 11160 } catch (RemoteException re) { 11161 } 11162 return; 11163 } 11164 11165 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11166 installFlags |= PackageManager.INSTALL_FROM_ADB; 11167 11168 } else { 11169 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11170 // about installerPackageName. 11171 11172 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11173 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11174 } 11175 11176 UserHandle user; 11177 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11178 user = UserHandle.ALL; 11179 } else { 11180 user = new UserHandle(userId); 11181 } 11182 11183 // Only system components can circumvent runtime permissions when installing. 11184 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11185 && mContext.checkCallingOrSelfPermission(Manifest.permission 11186 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11187 throw new SecurityException("You need the " 11188 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11189 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11190 } 11191 11192 final File originFile = new File(originPath); 11193 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11194 11195 final Message msg = mHandler.obtainMessage(INIT_COPY); 11196 final VerificationInfo verificationInfo = new VerificationInfo( 11197 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11198 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11199 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11200 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11201 null /*certificates*/); 11202 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11203 msg.obj = params; 11204 11205 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11206 System.identityHashCode(msg.obj)); 11207 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11208 System.identityHashCode(msg.obj)); 11209 11210 mHandler.sendMessage(msg); 11211 } 11212 11213 void installStage(String packageName, File stagedDir, String stagedCid, 11214 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11215 String installerPackageName, int installerUid, UserHandle user, 11216 Certificate[][] certificates) { 11217 if (DEBUG_EPHEMERAL) { 11218 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11219 Slog.d(TAG, "Ephemeral install of " + packageName); 11220 } 11221 } 11222 final VerificationInfo verificationInfo = new VerificationInfo( 11223 sessionParams.originatingUri, sessionParams.referrerUri, 11224 sessionParams.originatingUid, installerUid); 11225 11226 final OriginInfo origin; 11227 if (stagedDir != null) { 11228 origin = OriginInfo.fromStagedFile(stagedDir); 11229 } else { 11230 origin = OriginInfo.fromStagedContainer(stagedCid); 11231 } 11232 11233 final Message msg = mHandler.obtainMessage(INIT_COPY); 11234 final InstallParams params = new InstallParams(origin, null, observer, 11235 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11236 verificationInfo, user, sessionParams.abiOverride, 11237 sessionParams.grantedRuntimePermissions, certificates); 11238 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11239 msg.obj = params; 11240 11241 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11242 System.identityHashCode(msg.obj)); 11243 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11244 System.identityHashCode(msg.obj)); 11245 11246 mHandler.sendMessage(msg); 11247 } 11248 11249 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11250 int userId) { 11251 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11252 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11253 } 11254 11255 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11256 int appId, int userId) { 11257 Bundle extras = new Bundle(1); 11258 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11259 11260 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11261 packageName, extras, 0, null, null, new int[] {userId}); 11262 try { 11263 IActivityManager am = ActivityManagerNative.getDefault(); 11264 if (isSystem && am.isUserRunning(userId, 0)) { 11265 // The just-installed/enabled app is bundled on the system, so presumed 11266 // to be able to run automatically without needing an explicit launch. 11267 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11268 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11269 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11270 .setPackage(packageName); 11271 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11272 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11273 } 11274 } catch (RemoteException e) { 11275 // shouldn't happen 11276 Slog.w(TAG, "Unable to bootstrap installed package", e); 11277 } 11278 } 11279 11280 @Override 11281 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11282 int userId) { 11283 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11284 PackageSetting pkgSetting; 11285 final int uid = Binder.getCallingUid(); 11286 enforceCrossUserPermission(uid, userId, 11287 true /* requireFullPermission */, true /* checkShell */, 11288 "setApplicationHiddenSetting for user " + userId); 11289 11290 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11291 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11292 return false; 11293 } 11294 11295 long callingId = Binder.clearCallingIdentity(); 11296 try { 11297 boolean sendAdded = false; 11298 boolean sendRemoved = false; 11299 // writer 11300 synchronized (mPackages) { 11301 pkgSetting = mSettings.mPackages.get(packageName); 11302 if (pkgSetting == null) { 11303 return false; 11304 } 11305 if (pkgSetting.getHidden(userId) != hidden) { 11306 pkgSetting.setHidden(hidden, userId); 11307 mSettings.writePackageRestrictionsLPr(userId); 11308 if (hidden) { 11309 sendRemoved = true; 11310 } else { 11311 sendAdded = true; 11312 } 11313 } 11314 } 11315 if (sendAdded) { 11316 sendPackageAddedForUser(packageName, pkgSetting, userId); 11317 return true; 11318 } 11319 if (sendRemoved) { 11320 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11321 "hiding pkg"); 11322 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11323 return true; 11324 } 11325 } finally { 11326 Binder.restoreCallingIdentity(callingId); 11327 } 11328 return false; 11329 } 11330 11331 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11332 int userId) { 11333 final PackageRemovedInfo info = new PackageRemovedInfo(); 11334 info.removedPackage = packageName; 11335 info.removedUsers = new int[] {userId}; 11336 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11337 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11338 } 11339 11340 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11341 if (pkgList.length > 0) { 11342 Bundle extras = new Bundle(1); 11343 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11344 11345 sendPackageBroadcast( 11346 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11347 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11348 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11349 new int[] {userId}); 11350 } 11351 } 11352 11353 /** 11354 * Returns true if application is not found or there was an error. Otherwise it returns 11355 * the hidden state of the package for the given user. 11356 */ 11357 @Override 11358 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11359 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11360 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11361 true /* requireFullPermission */, false /* checkShell */, 11362 "getApplicationHidden for user " + userId); 11363 PackageSetting pkgSetting; 11364 long callingId = Binder.clearCallingIdentity(); 11365 try { 11366 // writer 11367 synchronized (mPackages) { 11368 pkgSetting = mSettings.mPackages.get(packageName); 11369 if (pkgSetting == null) { 11370 return true; 11371 } 11372 return pkgSetting.getHidden(userId); 11373 } 11374 } finally { 11375 Binder.restoreCallingIdentity(callingId); 11376 } 11377 } 11378 11379 /** 11380 * @hide 11381 */ 11382 @Override 11383 public int installExistingPackageAsUser(String packageName, int userId) { 11384 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11385 null); 11386 PackageSetting pkgSetting; 11387 final int uid = Binder.getCallingUid(); 11388 enforceCrossUserPermission(uid, userId, 11389 true /* requireFullPermission */, true /* checkShell */, 11390 "installExistingPackage for user " + userId); 11391 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11392 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11393 } 11394 11395 long callingId = Binder.clearCallingIdentity(); 11396 try { 11397 boolean installed = false; 11398 11399 // writer 11400 synchronized (mPackages) { 11401 pkgSetting = mSettings.mPackages.get(packageName); 11402 if (pkgSetting == null) { 11403 return PackageManager.INSTALL_FAILED_INVALID_URI; 11404 } 11405 if (!pkgSetting.getInstalled(userId)) { 11406 pkgSetting.setInstalled(true, userId); 11407 pkgSetting.setHidden(false, userId); 11408 mSettings.writePackageRestrictionsLPr(userId); 11409 installed = true; 11410 } 11411 } 11412 11413 if (installed) { 11414 if (pkgSetting.pkg != null) { 11415 synchronized (mInstallLock) { 11416 // We don't need to freeze for a brand new install 11417 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11418 } 11419 } 11420 sendPackageAddedForUser(packageName, pkgSetting, userId); 11421 } 11422 } finally { 11423 Binder.restoreCallingIdentity(callingId); 11424 } 11425 11426 return PackageManager.INSTALL_SUCCEEDED; 11427 } 11428 11429 boolean isUserRestricted(int userId, String restrictionKey) { 11430 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11431 if (restrictions.getBoolean(restrictionKey, false)) { 11432 Log.w(TAG, "User is restricted: " + restrictionKey); 11433 return true; 11434 } 11435 return false; 11436 } 11437 11438 @Override 11439 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11440 int userId) { 11441 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11442 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11443 true /* requireFullPermission */, true /* checkShell */, 11444 "setPackagesSuspended for user " + userId); 11445 11446 if (ArrayUtils.isEmpty(packageNames)) { 11447 return packageNames; 11448 } 11449 11450 // List of package names for whom the suspended state has changed. 11451 List<String> changedPackages = new ArrayList<>(packageNames.length); 11452 // List of package names for whom the suspended state is not set as requested in this 11453 // method. 11454 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11455 for (int i = 0; i < packageNames.length; i++) { 11456 String packageName = packageNames[i]; 11457 long callingId = Binder.clearCallingIdentity(); 11458 try { 11459 boolean changed = false; 11460 final int appId; 11461 synchronized (mPackages) { 11462 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11463 if (pkgSetting == null) { 11464 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11465 + "\". Skipping suspending/un-suspending."); 11466 unactionedPackages.add(packageName); 11467 continue; 11468 } 11469 appId = pkgSetting.appId; 11470 if (pkgSetting.getSuspended(userId) != suspended) { 11471 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11472 unactionedPackages.add(packageName); 11473 continue; 11474 } 11475 pkgSetting.setSuspended(suspended, userId); 11476 mSettings.writePackageRestrictionsLPr(userId); 11477 changed = true; 11478 changedPackages.add(packageName); 11479 } 11480 } 11481 11482 if (changed && suspended) { 11483 killApplication(packageName, UserHandle.getUid(userId, appId), 11484 "suspending package"); 11485 } 11486 } finally { 11487 Binder.restoreCallingIdentity(callingId); 11488 } 11489 } 11490 11491 if (!changedPackages.isEmpty()) { 11492 sendPackagesSuspendedForUser(changedPackages.toArray( 11493 new String[changedPackages.size()]), userId, suspended); 11494 } 11495 11496 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11497 } 11498 11499 @Override 11500 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11501 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11502 true /* requireFullPermission */, false /* checkShell */, 11503 "isPackageSuspendedForUser for user " + userId); 11504 synchronized (mPackages) { 11505 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11506 if (pkgSetting == null) { 11507 throw new IllegalArgumentException("Unknown target package: " + packageName); 11508 } 11509 return pkgSetting.getSuspended(userId); 11510 } 11511 } 11512 11513 /** 11514 * TODO: cache and disallow blocking the active dialer. 11515 * 11516 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11517 */ 11518 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11519 if (isPackageDeviceAdmin(packageName, userId)) { 11520 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11521 + "\": has an active device admin"); 11522 return false; 11523 } 11524 11525 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11526 if (packageName.equals(activeLauncherPackageName)) { 11527 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11528 + "\": contains the active launcher"); 11529 return false; 11530 } 11531 11532 if (packageName.equals(mRequiredInstallerPackage)) { 11533 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11534 + "\": required for package installation"); 11535 return false; 11536 } 11537 11538 if (packageName.equals(mRequiredVerifierPackage)) { 11539 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11540 + "\": required for package verification"); 11541 return false; 11542 } 11543 11544 final PackageParser.Package pkg = mPackages.get(packageName); 11545 if (pkg != null && isPrivilegedApp(pkg)) { 11546 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11547 + "\": is a privileged app"); 11548 return false; 11549 } 11550 11551 return true; 11552 } 11553 11554 private String getActiveLauncherPackageName(int userId) { 11555 Intent intent = new Intent(Intent.ACTION_MAIN); 11556 intent.addCategory(Intent.CATEGORY_HOME); 11557 ResolveInfo resolveInfo = resolveIntent( 11558 intent, 11559 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11560 PackageManager.MATCH_DEFAULT_ONLY, 11561 userId); 11562 11563 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11564 } 11565 11566 @Override 11567 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11568 mContext.enforceCallingOrSelfPermission( 11569 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11570 "Only package verification agents can verify applications"); 11571 11572 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11573 final PackageVerificationResponse response = new PackageVerificationResponse( 11574 verificationCode, Binder.getCallingUid()); 11575 msg.arg1 = id; 11576 msg.obj = response; 11577 mHandler.sendMessage(msg); 11578 } 11579 11580 @Override 11581 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11582 long millisecondsToDelay) { 11583 mContext.enforceCallingOrSelfPermission( 11584 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11585 "Only package verification agents can extend verification timeouts"); 11586 11587 final PackageVerificationState state = mPendingVerification.get(id); 11588 final PackageVerificationResponse response = new PackageVerificationResponse( 11589 verificationCodeAtTimeout, Binder.getCallingUid()); 11590 11591 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11592 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11593 } 11594 if (millisecondsToDelay < 0) { 11595 millisecondsToDelay = 0; 11596 } 11597 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11598 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11599 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11600 } 11601 11602 if ((state != null) && !state.timeoutExtended()) { 11603 state.extendTimeout(); 11604 11605 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11606 msg.arg1 = id; 11607 msg.obj = response; 11608 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11609 } 11610 } 11611 11612 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11613 int verificationCode, UserHandle user) { 11614 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11615 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11616 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11617 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11618 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11619 11620 mContext.sendBroadcastAsUser(intent, user, 11621 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11622 } 11623 11624 private ComponentName matchComponentForVerifier(String packageName, 11625 List<ResolveInfo> receivers) { 11626 ActivityInfo targetReceiver = null; 11627 11628 final int NR = receivers.size(); 11629 for (int i = 0; i < NR; i++) { 11630 final ResolveInfo info = receivers.get(i); 11631 if (info.activityInfo == null) { 11632 continue; 11633 } 11634 11635 if (packageName.equals(info.activityInfo.packageName)) { 11636 targetReceiver = info.activityInfo; 11637 break; 11638 } 11639 } 11640 11641 if (targetReceiver == null) { 11642 return null; 11643 } 11644 11645 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11646 } 11647 11648 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11649 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11650 if (pkgInfo.verifiers.length == 0) { 11651 return null; 11652 } 11653 11654 final int N = pkgInfo.verifiers.length; 11655 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11656 for (int i = 0; i < N; i++) { 11657 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11658 11659 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11660 receivers); 11661 if (comp == null) { 11662 continue; 11663 } 11664 11665 final int verifierUid = getUidForVerifier(verifierInfo); 11666 if (verifierUid == -1) { 11667 continue; 11668 } 11669 11670 if (DEBUG_VERIFY) { 11671 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11672 + " with the correct signature"); 11673 } 11674 sufficientVerifiers.add(comp); 11675 verificationState.addSufficientVerifier(verifierUid); 11676 } 11677 11678 return sufficientVerifiers; 11679 } 11680 11681 private int getUidForVerifier(VerifierInfo verifierInfo) { 11682 synchronized (mPackages) { 11683 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11684 if (pkg == null) { 11685 return -1; 11686 } else if (pkg.mSignatures.length != 1) { 11687 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11688 + " has more than one signature; ignoring"); 11689 return -1; 11690 } 11691 11692 /* 11693 * If the public key of the package's signature does not match 11694 * our expected public key, then this is a different package and 11695 * we should skip. 11696 */ 11697 11698 final byte[] expectedPublicKey; 11699 try { 11700 final Signature verifierSig = pkg.mSignatures[0]; 11701 final PublicKey publicKey = verifierSig.getPublicKey(); 11702 expectedPublicKey = publicKey.getEncoded(); 11703 } catch (CertificateException e) { 11704 return -1; 11705 } 11706 11707 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11708 11709 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11710 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11711 + " does not have the expected public key; ignoring"); 11712 return -1; 11713 } 11714 11715 return pkg.applicationInfo.uid; 11716 } 11717 } 11718 11719 @Override 11720 public void finishPackageInstall(int token) { 11721 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11722 11723 if (DEBUG_INSTALL) { 11724 Slog.v(TAG, "BM finishing package install for " + token); 11725 } 11726 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11727 11728 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11729 mHandler.sendMessage(msg); 11730 } 11731 11732 /** 11733 * Get the verification agent timeout. 11734 * 11735 * @return verification timeout in milliseconds 11736 */ 11737 private long getVerificationTimeout() { 11738 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11739 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11740 DEFAULT_VERIFICATION_TIMEOUT); 11741 } 11742 11743 /** 11744 * Get the default verification agent response code. 11745 * 11746 * @return default verification response code 11747 */ 11748 private int getDefaultVerificationResponse() { 11749 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11750 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11751 DEFAULT_VERIFICATION_RESPONSE); 11752 } 11753 11754 /** 11755 * Check whether or not package verification has been enabled. 11756 * 11757 * @return true if verification should be performed 11758 */ 11759 private boolean isVerificationEnabled(int userId, int installFlags) { 11760 if (!DEFAULT_VERIFY_ENABLE) { 11761 return false; 11762 } 11763 // Ephemeral apps don't get the full verification treatment 11764 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11765 if (DEBUG_EPHEMERAL) { 11766 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11767 } 11768 return false; 11769 } 11770 11771 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11772 11773 // Check if installing from ADB 11774 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11775 // Do not run verification in a test harness environment 11776 if (ActivityManager.isRunningInTestHarness()) { 11777 return false; 11778 } 11779 if (ensureVerifyAppsEnabled) { 11780 return true; 11781 } 11782 // Check if the developer does not want package verification for ADB installs 11783 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11784 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11785 return false; 11786 } 11787 } 11788 11789 if (ensureVerifyAppsEnabled) { 11790 return true; 11791 } 11792 11793 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11794 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11795 } 11796 11797 @Override 11798 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11799 throws RemoteException { 11800 mContext.enforceCallingOrSelfPermission( 11801 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11802 "Only intentfilter verification agents can verify applications"); 11803 11804 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11805 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11806 Binder.getCallingUid(), verificationCode, failedDomains); 11807 msg.arg1 = id; 11808 msg.obj = response; 11809 mHandler.sendMessage(msg); 11810 } 11811 11812 @Override 11813 public int getIntentVerificationStatus(String packageName, int userId) { 11814 synchronized (mPackages) { 11815 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11816 } 11817 } 11818 11819 @Override 11820 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11821 mContext.enforceCallingOrSelfPermission( 11822 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11823 11824 boolean result = false; 11825 synchronized (mPackages) { 11826 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11827 } 11828 if (result) { 11829 scheduleWritePackageRestrictionsLocked(userId); 11830 } 11831 return result; 11832 } 11833 11834 @Override 11835 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11836 String packageName) { 11837 synchronized (mPackages) { 11838 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11839 } 11840 } 11841 11842 @Override 11843 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11844 if (TextUtils.isEmpty(packageName)) { 11845 return ParceledListSlice.emptyList(); 11846 } 11847 synchronized (mPackages) { 11848 PackageParser.Package pkg = mPackages.get(packageName); 11849 if (pkg == null || pkg.activities == null) { 11850 return ParceledListSlice.emptyList(); 11851 } 11852 final int count = pkg.activities.size(); 11853 ArrayList<IntentFilter> result = new ArrayList<>(); 11854 for (int n=0; n<count; n++) { 11855 PackageParser.Activity activity = pkg.activities.get(n); 11856 if (activity.intents != null && activity.intents.size() > 0) { 11857 result.addAll(activity.intents); 11858 } 11859 } 11860 return new ParceledListSlice<>(result); 11861 } 11862 } 11863 11864 @Override 11865 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11866 mContext.enforceCallingOrSelfPermission( 11867 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11868 11869 synchronized (mPackages) { 11870 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11871 if (packageName != null) { 11872 result |= updateIntentVerificationStatus(packageName, 11873 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11874 userId); 11875 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11876 packageName, userId); 11877 } 11878 return result; 11879 } 11880 } 11881 11882 @Override 11883 public String getDefaultBrowserPackageName(int userId) { 11884 synchronized (mPackages) { 11885 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11886 } 11887 } 11888 11889 /** 11890 * Get the "allow unknown sources" setting. 11891 * 11892 * @return the current "allow unknown sources" setting 11893 */ 11894 private int getUnknownSourcesSettings() { 11895 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11896 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11897 -1); 11898 } 11899 11900 @Override 11901 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11902 final int uid = Binder.getCallingUid(); 11903 // writer 11904 synchronized (mPackages) { 11905 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11906 if (targetPackageSetting == null) { 11907 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11908 } 11909 11910 PackageSetting installerPackageSetting; 11911 if (installerPackageName != null) { 11912 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11913 if (installerPackageSetting == null) { 11914 throw new IllegalArgumentException("Unknown installer package: " 11915 + installerPackageName); 11916 } 11917 } else { 11918 installerPackageSetting = null; 11919 } 11920 11921 Signature[] callerSignature; 11922 Object obj = mSettings.getUserIdLPr(uid); 11923 if (obj != null) { 11924 if (obj instanceof SharedUserSetting) { 11925 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11926 } else if (obj instanceof PackageSetting) { 11927 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11928 } else { 11929 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11930 } 11931 } else { 11932 throw new SecurityException("Unknown calling UID: " + uid); 11933 } 11934 11935 // Verify: can't set installerPackageName to a package that is 11936 // not signed with the same cert as the caller. 11937 if (installerPackageSetting != null) { 11938 if (compareSignatures(callerSignature, 11939 installerPackageSetting.signatures.mSignatures) 11940 != PackageManager.SIGNATURE_MATCH) { 11941 throw new SecurityException( 11942 "Caller does not have same cert as new installer package " 11943 + installerPackageName); 11944 } 11945 } 11946 11947 // Verify: if target already has an installer package, it must 11948 // be signed with the same cert as the caller. 11949 if (targetPackageSetting.installerPackageName != null) { 11950 PackageSetting setting = mSettings.mPackages.get( 11951 targetPackageSetting.installerPackageName); 11952 // If the currently set package isn't valid, then it's always 11953 // okay to change it. 11954 if (setting != null) { 11955 if (compareSignatures(callerSignature, 11956 setting.signatures.mSignatures) 11957 != PackageManager.SIGNATURE_MATCH) { 11958 throw new SecurityException( 11959 "Caller does not have same cert as old installer package " 11960 + targetPackageSetting.installerPackageName); 11961 } 11962 } 11963 } 11964 11965 // Okay! 11966 targetPackageSetting.installerPackageName = installerPackageName; 11967 if (installerPackageName != null) { 11968 mSettings.mInstallerPackages.add(installerPackageName); 11969 } 11970 scheduleWriteSettingsLocked(); 11971 } 11972 } 11973 11974 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11975 // Queue up an async operation since the package installation may take a little while. 11976 mHandler.post(new Runnable() { 11977 public void run() { 11978 mHandler.removeCallbacks(this); 11979 // Result object to be returned 11980 PackageInstalledInfo res = new PackageInstalledInfo(); 11981 res.setReturnCode(currentStatus); 11982 res.uid = -1; 11983 res.pkg = null; 11984 res.removedInfo = null; 11985 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11986 args.doPreInstall(res.returnCode); 11987 synchronized (mInstallLock) { 11988 installPackageTracedLI(args, res); 11989 } 11990 args.doPostInstall(res.returnCode, res.uid); 11991 } 11992 11993 // A restore should be performed at this point if (a) the install 11994 // succeeded, (b) the operation is not an update, and (c) the new 11995 // package has not opted out of backup participation. 11996 final boolean update = res.removedInfo != null 11997 && res.removedInfo.removedPackage != null; 11998 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11999 boolean doRestore = !update 12000 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12001 12002 // Set up the post-install work request bookkeeping. This will be used 12003 // and cleaned up by the post-install event handling regardless of whether 12004 // there's a restore pass performed. Token values are >= 1. 12005 int token; 12006 if (mNextInstallToken < 0) mNextInstallToken = 1; 12007 token = mNextInstallToken++; 12008 12009 PostInstallData data = new PostInstallData(args, res); 12010 mRunningInstalls.put(token, data); 12011 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12012 12013 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12014 // Pass responsibility to the Backup Manager. It will perform a 12015 // restore if appropriate, then pass responsibility back to the 12016 // Package Manager to run the post-install observer callbacks 12017 // and broadcasts. 12018 IBackupManager bm = IBackupManager.Stub.asInterface( 12019 ServiceManager.getService(Context.BACKUP_SERVICE)); 12020 if (bm != null) { 12021 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12022 + " to BM for possible restore"); 12023 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12024 try { 12025 // TODO: http://b/22388012 12026 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12027 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12028 } else { 12029 doRestore = false; 12030 } 12031 } catch (RemoteException e) { 12032 // can't happen; the backup manager is local 12033 } catch (Exception e) { 12034 Slog.e(TAG, "Exception trying to enqueue restore", e); 12035 doRestore = false; 12036 } 12037 } else { 12038 Slog.e(TAG, "Backup Manager not found!"); 12039 doRestore = false; 12040 } 12041 } 12042 12043 if (!doRestore) { 12044 // No restore possible, or the Backup Manager was mysteriously not 12045 // available -- just fire the post-install work request directly. 12046 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12047 12048 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12049 12050 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12051 mHandler.sendMessage(msg); 12052 } 12053 } 12054 }); 12055 } 12056 12057 private abstract class HandlerParams { 12058 private static final int MAX_RETRIES = 4; 12059 12060 /** 12061 * Number of times startCopy() has been attempted and had a non-fatal 12062 * error. 12063 */ 12064 private int mRetries = 0; 12065 12066 /** User handle for the user requesting the information or installation. */ 12067 private final UserHandle mUser; 12068 String traceMethod; 12069 int traceCookie; 12070 12071 HandlerParams(UserHandle user) { 12072 mUser = user; 12073 } 12074 12075 UserHandle getUser() { 12076 return mUser; 12077 } 12078 12079 HandlerParams setTraceMethod(String traceMethod) { 12080 this.traceMethod = traceMethod; 12081 return this; 12082 } 12083 12084 HandlerParams setTraceCookie(int traceCookie) { 12085 this.traceCookie = traceCookie; 12086 return this; 12087 } 12088 12089 final boolean startCopy() { 12090 boolean res; 12091 try { 12092 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12093 12094 if (++mRetries > MAX_RETRIES) { 12095 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12096 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12097 handleServiceError(); 12098 return false; 12099 } else { 12100 handleStartCopy(); 12101 res = true; 12102 } 12103 } catch (RemoteException e) { 12104 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12105 mHandler.sendEmptyMessage(MCS_RECONNECT); 12106 res = false; 12107 } 12108 handleReturnCode(); 12109 return res; 12110 } 12111 12112 final void serviceError() { 12113 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12114 handleServiceError(); 12115 handleReturnCode(); 12116 } 12117 12118 abstract void handleStartCopy() throws RemoteException; 12119 abstract void handleServiceError(); 12120 abstract void handleReturnCode(); 12121 } 12122 12123 class MeasureParams extends HandlerParams { 12124 private final PackageStats mStats; 12125 private boolean mSuccess; 12126 12127 private final IPackageStatsObserver mObserver; 12128 12129 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12130 super(new UserHandle(stats.userHandle)); 12131 mObserver = observer; 12132 mStats = stats; 12133 } 12134 12135 @Override 12136 public String toString() { 12137 return "MeasureParams{" 12138 + Integer.toHexString(System.identityHashCode(this)) 12139 + " " + mStats.packageName + "}"; 12140 } 12141 12142 @Override 12143 void handleStartCopy() throws RemoteException { 12144 synchronized (mInstallLock) { 12145 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12146 } 12147 12148 if (mSuccess) { 12149 final boolean mounted; 12150 if (Environment.isExternalStorageEmulated()) { 12151 mounted = true; 12152 } else { 12153 final String status = Environment.getExternalStorageState(); 12154 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12155 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12156 } 12157 12158 if (mounted) { 12159 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12160 12161 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12162 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12163 12164 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12165 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12166 12167 // Always subtract cache size, since it's a subdirectory 12168 mStats.externalDataSize -= mStats.externalCacheSize; 12169 12170 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12171 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12172 12173 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12174 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12175 } 12176 } 12177 } 12178 12179 @Override 12180 void handleReturnCode() { 12181 if (mObserver != null) { 12182 try { 12183 mObserver.onGetStatsCompleted(mStats, mSuccess); 12184 } catch (RemoteException e) { 12185 Slog.i(TAG, "Observer no longer exists."); 12186 } 12187 } 12188 } 12189 12190 @Override 12191 void handleServiceError() { 12192 Slog.e(TAG, "Could not measure application " + mStats.packageName 12193 + " external storage"); 12194 } 12195 } 12196 12197 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12198 throws RemoteException { 12199 long result = 0; 12200 for (File path : paths) { 12201 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12202 } 12203 return result; 12204 } 12205 12206 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12207 for (File path : paths) { 12208 try { 12209 mcs.clearDirectory(path.getAbsolutePath()); 12210 } catch (RemoteException e) { 12211 } 12212 } 12213 } 12214 12215 static class OriginInfo { 12216 /** 12217 * Location where install is coming from, before it has been 12218 * copied/renamed into place. This could be a single monolithic APK 12219 * file, or a cluster directory. This location may be untrusted. 12220 */ 12221 final File file; 12222 final String cid; 12223 12224 /** 12225 * Flag indicating that {@link #file} or {@link #cid} has already been 12226 * staged, meaning downstream users don't need to defensively copy the 12227 * contents. 12228 */ 12229 final boolean staged; 12230 12231 /** 12232 * Flag indicating that {@link #file} or {@link #cid} is an already 12233 * installed app that is being moved. 12234 */ 12235 final boolean existing; 12236 12237 final String resolvedPath; 12238 final File resolvedFile; 12239 12240 static OriginInfo fromNothing() { 12241 return new OriginInfo(null, null, false, false); 12242 } 12243 12244 static OriginInfo fromUntrustedFile(File file) { 12245 return new OriginInfo(file, null, false, false); 12246 } 12247 12248 static OriginInfo fromExistingFile(File file) { 12249 return new OriginInfo(file, null, false, true); 12250 } 12251 12252 static OriginInfo fromStagedFile(File file) { 12253 return new OriginInfo(file, null, true, false); 12254 } 12255 12256 static OriginInfo fromStagedContainer(String cid) { 12257 return new OriginInfo(null, cid, true, false); 12258 } 12259 12260 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12261 this.file = file; 12262 this.cid = cid; 12263 this.staged = staged; 12264 this.existing = existing; 12265 12266 if (cid != null) { 12267 resolvedPath = PackageHelper.getSdDir(cid); 12268 resolvedFile = new File(resolvedPath); 12269 } else if (file != null) { 12270 resolvedPath = file.getAbsolutePath(); 12271 resolvedFile = file; 12272 } else { 12273 resolvedPath = null; 12274 resolvedFile = null; 12275 } 12276 } 12277 } 12278 12279 static class MoveInfo { 12280 final int moveId; 12281 final String fromUuid; 12282 final String toUuid; 12283 final String packageName; 12284 final String dataAppName; 12285 final int appId; 12286 final String seinfo; 12287 final int targetSdkVersion; 12288 12289 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12290 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12291 this.moveId = moveId; 12292 this.fromUuid = fromUuid; 12293 this.toUuid = toUuid; 12294 this.packageName = packageName; 12295 this.dataAppName = dataAppName; 12296 this.appId = appId; 12297 this.seinfo = seinfo; 12298 this.targetSdkVersion = targetSdkVersion; 12299 } 12300 } 12301 12302 static class VerificationInfo { 12303 /** A constant used to indicate that a uid value is not present. */ 12304 public static final int NO_UID = -1; 12305 12306 /** URI referencing where the package was downloaded from. */ 12307 final Uri originatingUri; 12308 12309 /** HTTP referrer URI associated with the originatingURI. */ 12310 final Uri referrer; 12311 12312 /** UID of the application that the install request originated from. */ 12313 final int originatingUid; 12314 12315 /** UID of application requesting the install */ 12316 final int installerUid; 12317 12318 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12319 this.originatingUri = originatingUri; 12320 this.referrer = referrer; 12321 this.originatingUid = originatingUid; 12322 this.installerUid = installerUid; 12323 } 12324 } 12325 12326 class InstallParams extends HandlerParams { 12327 final OriginInfo origin; 12328 final MoveInfo move; 12329 final IPackageInstallObserver2 observer; 12330 int installFlags; 12331 final String installerPackageName; 12332 final String volumeUuid; 12333 private InstallArgs mArgs; 12334 private int mRet; 12335 final String packageAbiOverride; 12336 final String[] grantedRuntimePermissions; 12337 final VerificationInfo verificationInfo; 12338 final Certificate[][] certificates; 12339 12340 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12341 int installFlags, String installerPackageName, String volumeUuid, 12342 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12343 String[] grantedPermissions, Certificate[][] certificates) { 12344 super(user); 12345 this.origin = origin; 12346 this.move = move; 12347 this.observer = observer; 12348 this.installFlags = installFlags; 12349 this.installerPackageName = installerPackageName; 12350 this.volumeUuid = volumeUuid; 12351 this.verificationInfo = verificationInfo; 12352 this.packageAbiOverride = packageAbiOverride; 12353 this.grantedRuntimePermissions = grantedPermissions; 12354 this.certificates = certificates; 12355 } 12356 12357 @Override 12358 public String toString() { 12359 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12360 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12361 } 12362 12363 private int installLocationPolicy(PackageInfoLite pkgLite) { 12364 String packageName = pkgLite.packageName; 12365 int installLocation = pkgLite.installLocation; 12366 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12367 // reader 12368 synchronized (mPackages) { 12369 // Currently installed package which the new package is attempting to replace or 12370 // null if no such package is installed. 12371 PackageParser.Package installedPkg = mPackages.get(packageName); 12372 // Package which currently owns the data which the new package will own if installed. 12373 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12374 // will be null whereas dataOwnerPkg will contain information about the package 12375 // which was uninstalled while keeping its data. 12376 PackageParser.Package dataOwnerPkg = installedPkg; 12377 if (dataOwnerPkg == null) { 12378 PackageSetting ps = mSettings.mPackages.get(packageName); 12379 if (ps != null) { 12380 dataOwnerPkg = ps.pkg; 12381 } 12382 } 12383 12384 if (dataOwnerPkg != null) { 12385 // If installed, the package will get access to data left on the device by its 12386 // predecessor. As a security measure, this is permited only if this is not a 12387 // version downgrade or if the predecessor package is marked as debuggable and 12388 // a downgrade is explicitly requested. 12389 // 12390 // On debuggable platform builds, downgrades are permitted even for 12391 // non-debuggable packages to make testing easier. Debuggable platform builds do 12392 // not offer security guarantees and thus it's OK to disable some security 12393 // mechanisms to make debugging/testing easier on those builds. However, even on 12394 // debuggable builds downgrades of packages are permitted only if requested via 12395 // installFlags. This is because we aim to keep the behavior of debuggable 12396 // platform builds as close as possible to the behavior of non-debuggable 12397 // platform builds. 12398 final boolean downgradeRequested = 12399 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12400 final boolean packageDebuggable = 12401 (dataOwnerPkg.applicationInfo.flags 12402 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12403 final boolean downgradePermitted = 12404 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12405 if (!downgradePermitted) { 12406 try { 12407 checkDowngrade(dataOwnerPkg, pkgLite); 12408 } catch (PackageManagerException e) { 12409 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12410 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12411 } 12412 } 12413 } 12414 12415 if (installedPkg != null) { 12416 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12417 // Check for updated system application. 12418 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12419 if (onSd) { 12420 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12421 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12422 } 12423 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12424 } else { 12425 if (onSd) { 12426 // Install flag overrides everything. 12427 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12428 } 12429 // If current upgrade specifies particular preference 12430 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12431 // Application explicitly specified internal. 12432 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12433 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12434 // App explictly prefers external. Let policy decide 12435 } else { 12436 // Prefer previous location 12437 if (isExternal(installedPkg)) { 12438 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12439 } 12440 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12441 } 12442 } 12443 } else { 12444 // Invalid install. Return error code 12445 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12446 } 12447 } 12448 } 12449 // All the special cases have been taken care of. 12450 // Return result based on recommended install location. 12451 if (onSd) { 12452 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12453 } 12454 return pkgLite.recommendedInstallLocation; 12455 } 12456 12457 /* 12458 * Invoke remote method to get package information and install 12459 * location values. Override install location based on default 12460 * policy if needed and then create install arguments based 12461 * on the install location. 12462 */ 12463 public void handleStartCopy() throws RemoteException { 12464 int ret = PackageManager.INSTALL_SUCCEEDED; 12465 12466 // If we're already staged, we've firmly committed to an install location 12467 if (origin.staged) { 12468 if (origin.file != null) { 12469 installFlags |= PackageManager.INSTALL_INTERNAL; 12470 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12471 } else if (origin.cid != null) { 12472 installFlags |= PackageManager.INSTALL_EXTERNAL; 12473 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12474 } else { 12475 throw new IllegalStateException("Invalid stage location"); 12476 } 12477 } 12478 12479 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12480 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12481 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12482 PackageInfoLite pkgLite = null; 12483 12484 if (onInt && onSd) { 12485 // Check if both bits are set. 12486 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12487 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12488 } else if (onSd && ephemeral) { 12489 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12490 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12491 } else { 12492 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12493 packageAbiOverride); 12494 12495 if (DEBUG_EPHEMERAL && ephemeral) { 12496 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12497 } 12498 12499 /* 12500 * If we have too little free space, try to free cache 12501 * before giving up. 12502 */ 12503 if (!origin.staged && pkgLite.recommendedInstallLocation 12504 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12505 // TODO: focus freeing disk space on the target device 12506 final StorageManager storage = StorageManager.from(mContext); 12507 final long lowThreshold = storage.getStorageLowBytes( 12508 Environment.getDataDirectory()); 12509 12510 final long sizeBytes = mContainerService.calculateInstalledSize( 12511 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12512 12513 try { 12514 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12515 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12516 installFlags, packageAbiOverride); 12517 } catch (InstallerException e) { 12518 Slog.w(TAG, "Failed to free cache", e); 12519 } 12520 12521 /* 12522 * The cache free must have deleted the file we 12523 * downloaded to install. 12524 * 12525 * TODO: fix the "freeCache" call to not delete 12526 * the file we care about. 12527 */ 12528 if (pkgLite.recommendedInstallLocation 12529 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12530 pkgLite.recommendedInstallLocation 12531 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12532 } 12533 } 12534 } 12535 12536 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12537 int loc = pkgLite.recommendedInstallLocation; 12538 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12539 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12540 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12541 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12542 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12543 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12544 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12545 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12546 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12547 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12548 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12549 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12550 } else { 12551 // Override with defaults if needed. 12552 loc = installLocationPolicy(pkgLite); 12553 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12554 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12555 } else if (!onSd && !onInt) { 12556 // Override install location with flags 12557 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12558 // Set the flag to install on external media. 12559 installFlags |= PackageManager.INSTALL_EXTERNAL; 12560 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12561 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12562 if (DEBUG_EPHEMERAL) { 12563 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12564 } 12565 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12566 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12567 |PackageManager.INSTALL_INTERNAL); 12568 } else { 12569 // Make sure the flag for installing on external 12570 // media is unset 12571 installFlags |= PackageManager.INSTALL_INTERNAL; 12572 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12573 } 12574 } 12575 } 12576 } 12577 12578 final InstallArgs args = createInstallArgs(this); 12579 mArgs = args; 12580 12581 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12582 // TODO: http://b/22976637 12583 // Apps installed for "all" users use the device owner to verify the app 12584 UserHandle verifierUser = getUser(); 12585 if (verifierUser == UserHandle.ALL) { 12586 verifierUser = UserHandle.SYSTEM; 12587 } 12588 12589 /* 12590 * Determine if we have any installed package verifiers. If we 12591 * do, then we'll defer to them to verify the packages. 12592 */ 12593 final int requiredUid = mRequiredVerifierPackage == null ? -1 12594 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12595 verifierUser.getIdentifier()); 12596 if (!origin.existing && requiredUid != -1 12597 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12598 final Intent verification = new Intent( 12599 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12600 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12601 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12602 PACKAGE_MIME_TYPE); 12603 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12604 12605 // Query all live verifiers based on current user state 12606 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12607 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12608 12609 if (DEBUG_VERIFY) { 12610 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12611 + verification.toString() + " with " + pkgLite.verifiers.length 12612 + " optional verifiers"); 12613 } 12614 12615 final int verificationId = mPendingVerificationToken++; 12616 12617 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12618 12619 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12620 installerPackageName); 12621 12622 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12623 installFlags); 12624 12625 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12626 pkgLite.packageName); 12627 12628 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12629 pkgLite.versionCode); 12630 12631 if (verificationInfo != null) { 12632 if (verificationInfo.originatingUri != null) { 12633 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12634 verificationInfo.originatingUri); 12635 } 12636 if (verificationInfo.referrer != null) { 12637 verification.putExtra(Intent.EXTRA_REFERRER, 12638 verificationInfo.referrer); 12639 } 12640 if (verificationInfo.originatingUid >= 0) { 12641 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12642 verificationInfo.originatingUid); 12643 } 12644 if (verificationInfo.installerUid >= 0) { 12645 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12646 verificationInfo.installerUid); 12647 } 12648 } 12649 12650 final PackageVerificationState verificationState = new PackageVerificationState( 12651 requiredUid, args); 12652 12653 mPendingVerification.append(verificationId, verificationState); 12654 12655 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12656 receivers, verificationState); 12657 12658 /* 12659 * If any sufficient verifiers were listed in the package 12660 * manifest, attempt to ask them. 12661 */ 12662 if (sufficientVerifiers != null) { 12663 final int N = sufficientVerifiers.size(); 12664 if (N == 0) { 12665 Slog.i(TAG, "Additional verifiers required, but none installed."); 12666 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12667 } else { 12668 for (int i = 0; i < N; i++) { 12669 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12670 12671 final Intent sufficientIntent = new Intent(verification); 12672 sufficientIntent.setComponent(verifierComponent); 12673 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12674 } 12675 } 12676 } 12677 12678 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12679 mRequiredVerifierPackage, receivers); 12680 if (ret == PackageManager.INSTALL_SUCCEEDED 12681 && mRequiredVerifierPackage != null) { 12682 Trace.asyncTraceBegin( 12683 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12684 /* 12685 * Send the intent to the required verification agent, 12686 * but only start the verification timeout after the 12687 * target BroadcastReceivers have run. 12688 */ 12689 verification.setComponent(requiredVerifierComponent); 12690 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12691 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12692 new BroadcastReceiver() { 12693 @Override 12694 public void onReceive(Context context, Intent intent) { 12695 final Message msg = mHandler 12696 .obtainMessage(CHECK_PENDING_VERIFICATION); 12697 msg.arg1 = verificationId; 12698 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12699 } 12700 }, null, 0, null, null); 12701 12702 /* 12703 * We don't want the copy to proceed until verification 12704 * succeeds, so null out this field. 12705 */ 12706 mArgs = null; 12707 } 12708 } else { 12709 /* 12710 * No package verification is enabled, so immediately start 12711 * the remote call to initiate copy using temporary file. 12712 */ 12713 ret = args.copyApk(mContainerService, true); 12714 } 12715 } 12716 12717 mRet = ret; 12718 } 12719 12720 @Override 12721 void handleReturnCode() { 12722 // If mArgs is null, then MCS couldn't be reached. When it 12723 // reconnects, it will try again to install. At that point, this 12724 // will succeed. 12725 if (mArgs != null) { 12726 processPendingInstall(mArgs, mRet); 12727 } 12728 } 12729 12730 @Override 12731 void handleServiceError() { 12732 mArgs = createInstallArgs(this); 12733 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12734 } 12735 12736 public boolean isForwardLocked() { 12737 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12738 } 12739 } 12740 12741 /** 12742 * Used during creation of InstallArgs 12743 * 12744 * @param installFlags package installation flags 12745 * @return true if should be installed on external storage 12746 */ 12747 private static boolean installOnExternalAsec(int installFlags) { 12748 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12749 return false; 12750 } 12751 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12752 return true; 12753 } 12754 return false; 12755 } 12756 12757 /** 12758 * Used during creation of InstallArgs 12759 * 12760 * @param installFlags package installation flags 12761 * @return true if should be installed as forward locked 12762 */ 12763 private static boolean installForwardLocked(int installFlags) { 12764 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12765 } 12766 12767 private InstallArgs createInstallArgs(InstallParams params) { 12768 if (params.move != null) { 12769 return new MoveInstallArgs(params); 12770 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12771 return new AsecInstallArgs(params); 12772 } else { 12773 return new FileInstallArgs(params); 12774 } 12775 } 12776 12777 /** 12778 * Create args that describe an existing installed package. Typically used 12779 * when cleaning up old installs, or used as a move source. 12780 */ 12781 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12782 String resourcePath, String[] instructionSets) { 12783 final boolean isInAsec; 12784 if (installOnExternalAsec(installFlags)) { 12785 /* Apps on SD card are always in ASEC containers. */ 12786 isInAsec = true; 12787 } else if (installForwardLocked(installFlags) 12788 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12789 /* 12790 * Forward-locked apps are only in ASEC containers if they're the 12791 * new style 12792 */ 12793 isInAsec = true; 12794 } else { 12795 isInAsec = false; 12796 } 12797 12798 if (isInAsec) { 12799 return new AsecInstallArgs(codePath, instructionSets, 12800 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12801 } else { 12802 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12803 } 12804 } 12805 12806 static abstract class InstallArgs { 12807 /** @see InstallParams#origin */ 12808 final OriginInfo origin; 12809 /** @see InstallParams#move */ 12810 final MoveInfo move; 12811 12812 final IPackageInstallObserver2 observer; 12813 // Always refers to PackageManager flags only 12814 final int installFlags; 12815 final String installerPackageName; 12816 final String volumeUuid; 12817 final UserHandle user; 12818 final String abiOverride; 12819 final String[] installGrantPermissions; 12820 /** If non-null, drop an async trace when the install completes */ 12821 final String traceMethod; 12822 final int traceCookie; 12823 final Certificate[][] certificates; 12824 12825 // The list of instruction sets supported by this app. This is currently 12826 // only used during the rmdex() phase to clean up resources. We can get rid of this 12827 // if we move dex files under the common app path. 12828 /* nullable */ String[] instructionSets; 12829 12830 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12831 int installFlags, String installerPackageName, String volumeUuid, 12832 UserHandle user, String[] instructionSets, 12833 String abiOverride, String[] installGrantPermissions, 12834 String traceMethod, int traceCookie, Certificate[][] certificates) { 12835 this.origin = origin; 12836 this.move = move; 12837 this.installFlags = installFlags; 12838 this.observer = observer; 12839 this.installerPackageName = installerPackageName; 12840 this.volumeUuid = volumeUuid; 12841 this.user = user; 12842 this.instructionSets = instructionSets; 12843 this.abiOverride = abiOverride; 12844 this.installGrantPermissions = installGrantPermissions; 12845 this.traceMethod = traceMethod; 12846 this.traceCookie = traceCookie; 12847 this.certificates = certificates; 12848 } 12849 12850 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12851 abstract int doPreInstall(int status); 12852 12853 /** 12854 * Rename package into final resting place. All paths on the given 12855 * scanned package should be updated to reflect the rename. 12856 */ 12857 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12858 abstract int doPostInstall(int status, int uid); 12859 12860 /** @see PackageSettingBase#codePathString */ 12861 abstract String getCodePath(); 12862 /** @see PackageSettingBase#resourcePathString */ 12863 abstract String getResourcePath(); 12864 12865 // Need installer lock especially for dex file removal. 12866 abstract void cleanUpResourcesLI(); 12867 abstract boolean doPostDeleteLI(boolean delete); 12868 12869 /** 12870 * Called before the source arguments are copied. This is used mostly 12871 * for MoveParams when it needs to read the source file to put it in the 12872 * destination. 12873 */ 12874 int doPreCopy() { 12875 return PackageManager.INSTALL_SUCCEEDED; 12876 } 12877 12878 /** 12879 * Called after the source arguments are copied. This is used mostly for 12880 * MoveParams when it needs to read the source file to put it in the 12881 * destination. 12882 */ 12883 int doPostCopy(int uid) { 12884 return PackageManager.INSTALL_SUCCEEDED; 12885 } 12886 12887 protected boolean isFwdLocked() { 12888 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12889 } 12890 12891 protected boolean isExternalAsec() { 12892 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12893 } 12894 12895 protected boolean isEphemeral() { 12896 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12897 } 12898 12899 UserHandle getUser() { 12900 return user; 12901 } 12902 } 12903 12904 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12905 if (!allCodePaths.isEmpty()) { 12906 if (instructionSets == null) { 12907 throw new IllegalStateException("instructionSet == null"); 12908 } 12909 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12910 for (String codePath : allCodePaths) { 12911 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12912 try { 12913 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12914 } catch (InstallerException ignored) { 12915 } 12916 } 12917 } 12918 } 12919 } 12920 12921 /** 12922 * Logic to handle installation of non-ASEC applications, including copying 12923 * and renaming logic. 12924 */ 12925 class FileInstallArgs extends InstallArgs { 12926 private File codeFile; 12927 private File resourceFile; 12928 12929 // Example topology: 12930 // /data/app/com.example/base.apk 12931 // /data/app/com.example/split_foo.apk 12932 // /data/app/com.example/lib/arm/libfoo.so 12933 // /data/app/com.example/lib/arm64/libfoo.so 12934 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12935 12936 /** New install */ 12937 FileInstallArgs(InstallParams params) { 12938 super(params.origin, params.move, params.observer, params.installFlags, 12939 params.installerPackageName, params.volumeUuid, 12940 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 12941 params.grantedRuntimePermissions, 12942 params.traceMethod, params.traceCookie, params.certificates); 12943 if (isFwdLocked()) { 12944 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12945 } 12946 } 12947 12948 /** Existing install */ 12949 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12950 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12951 null, null, null, 0, null /*certificates*/); 12952 this.codeFile = (codePath != null) ? new File(codePath) : null; 12953 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12954 } 12955 12956 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12957 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12958 try { 12959 return doCopyApk(imcs, temp); 12960 } finally { 12961 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12962 } 12963 } 12964 12965 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12966 if (origin.staged) { 12967 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12968 codeFile = origin.file; 12969 resourceFile = origin.file; 12970 return PackageManager.INSTALL_SUCCEEDED; 12971 } 12972 12973 try { 12974 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12975 final File tempDir = 12976 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12977 codeFile = tempDir; 12978 resourceFile = tempDir; 12979 } catch (IOException e) { 12980 Slog.w(TAG, "Failed to create copy file: " + e); 12981 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12982 } 12983 12984 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12985 @Override 12986 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12987 if (!FileUtils.isValidExtFilename(name)) { 12988 throw new IllegalArgumentException("Invalid filename: " + name); 12989 } 12990 try { 12991 final File file = new File(codeFile, name); 12992 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12993 O_RDWR | O_CREAT, 0644); 12994 Os.chmod(file.getAbsolutePath(), 0644); 12995 return new ParcelFileDescriptor(fd); 12996 } catch (ErrnoException e) { 12997 throw new RemoteException("Failed to open: " + e.getMessage()); 12998 } 12999 } 13000 }; 13001 13002 int ret = PackageManager.INSTALL_SUCCEEDED; 13003 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13004 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13005 Slog.e(TAG, "Failed to copy package"); 13006 return ret; 13007 } 13008 13009 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13010 NativeLibraryHelper.Handle handle = null; 13011 try { 13012 handle = NativeLibraryHelper.Handle.create(codeFile); 13013 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13014 abiOverride); 13015 } catch (IOException e) { 13016 Slog.e(TAG, "Copying native libraries failed", e); 13017 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13018 } finally { 13019 IoUtils.closeQuietly(handle); 13020 } 13021 13022 return ret; 13023 } 13024 13025 int doPreInstall(int status) { 13026 if (status != PackageManager.INSTALL_SUCCEEDED) { 13027 cleanUp(); 13028 } 13029 return status; 13030 } 13031 13032 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13033 if (status != PackageManager.INSTALL_SUCCEEDED) { 13034 cleanUp(); 13035 return false; 13036 } 13037 13038 final File targetDir = codeFile.getParentFile(); 13039 final File beforeCodeFile = codeFile; 13040 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13041 13042 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13043 try { 13044 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13045 } catch (ErrnoException e) { 13046 Slog.w(TAG, "Failed to rename", e); 13047 return false; 13048 } 13049 13050 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13051 Slog.w(TAG, "Failed to restorecon"); 13052 return false; 13053 } 13054 13055 // Reflect the rename internally 13056 codeFile = afterCodeFile; 13057 resourceFile = afterCodeFile; 13058 13059 // Reflect the rename in scanned details 13060 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13061 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13062 afterCodeFile, pkg.baseCodePath)); 13063 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13064 afterCodeFile, pkg.splitCodePaths)); 13065 13066 // Reflect the rename in app info 13067 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13068 pkg.setApplicationInfoCodePath(pkg.codePath); 13069 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13070 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13071 pkg.setApplicationInfoResourcePath(pkg.codePath); 13072 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13073 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13074 13075 return true; 13076 } 13077 13078 int doPostInstall(int status, int uid) { 13079 if (status != PackageManager.INSTALL_SUCCEEDED) { 13080 cleanUp(); 13081 } 13082 return status; 13083 } 13084 13085 @Override 13086 String getCodePath() { 13087 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13088 } 13089 13090 @Override 13091 String getResourcePath() { 13092 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13093 } 13094 13095 private boolean cleanUp() { 13096 if (codeFile == null || !codeFile.exists()) { 13097 return false; 13098 } 13099 13100 removeCodePathLI(codeFile); 13101 13102 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13103 resourceFile.delete(); 13104 } 13105 13106 return true; 13107 } 13108 13109 void cleanUpResourcesLI() { 13110 // Try enumerating all code paths before deleting 13111 List<String> allCodePaths = Collections.EMPTY_LIST; 13112 if (codeFile != null && codeFile.exists()) { 13113 try { 13114 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13115 allCodePaths = pkg.getAllCodePaths(); 13116 } catch (PackageParserException e) { 13117 // Ignored; we tried our best 13118 } 13119 } 13120 13121 cleanUp(); 13122 removeDexFiles(allCodePaths, instructionSets); 13123 } 13124 13125 boolean doPostDeleteLI(boolean delete) { 13126 // XXX err, shouldn't we respect the delete flag? 13127 cleanUpResourcesLI(); 13128 return true; 13129 } 13130 } 13131 13132 private boolean isAsecExternal(String cid) { 13133 final String asecPath = PackageHelper.getSdFilesystem(cid); 13134 return !asecPath.startsWith(mAsecInternalPath); 13135 } 13136 13137 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13138 PackageManagerException { 13139 if (copyRet < 0) { 13140 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13141 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13142 throw new PackageManagerException(copyRet, message); 13143 } 13144 } 13145 } 13146 13147 /** 13148 * Extract the MountService "container ID" from the full code path of an 13149 * .apk. 13150 */ 13151 static String cidFromCodePath(String fullCodePath) { 13152 int eidx = fullCodePath.lastIndexOf("/"); 13153 String subStr1 = fullCodePath.substring(0, eidx); 13154 int sidx = subStr1.lastIndexOf("/"); 13155 return subStr1.substring(sidx+1, eidx); 13156 } 13157 13158 /** 13159 * Logic to handle installation of ASEC applications, including copying and 13160 * renaming logic. 13161 */ 13162 class AsecInstallArgs extends InstallArgs { 13163 static final String RES_FILE_NAME = "pkg.apk"; 13164 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13165 13166 String cid; 13167 String packagePath; 13168 String resourcePath; 13169 13170 /** New install */ 13171 AsecInstallArgs(InstallParams params) { 13172 super(params.origin, params.move, params.observer, params.installFlags, 13173 params.installerPackageName, params.volumeUuid, 13174 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13175 params.grantedRuntimePermissions, 13176 params.traceMethod, params.traceCookie, params.certificates); 13177 } 13178 13179 /** Existing install */ 13180 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13181 boolean isExternal, boolean isForwardLocked) { 13182 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13183 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13184 instructionSets, null, null, null, 0, null /*certificates*/); 13185 // Hackily pretend we're still looking at a full code path 13186 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13187 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13188 } 13189 13190 // Extract cid from fullCodePath 13191 int eidx = fullCodePath.lastIndexOf("/"); 13192 String subStr1 = fullCodePath.substring(0, eidx); 13193 int sidx = subStr1.lastIndexOf("/"); 13194 cid = subStr1.substring(sidx+1, eidx); 13195 setMountPath(subStr1); 13196 } 13197 13198 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13199 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13200 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13201 instructionSets, null, null, null, 0, null /*certificates*/); 13202 this.cid = cid; 13203 setMountPath(PackageHelper.getSdDir(cid)); 13204 } 13205 13206 void createCopyFile() { 13207 cid = mInstallerService.allocateExternalStageCidLegacy(); 13208 } 13209 13210 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13211 if (origin.staged && origin.cid != null) { 13212 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13213 cid = origin.cid; 13214 setMountPath(PackageHelper.getSdDir(cid)); 13215 return PackageManager.INSTALL_SUCCEEDED; 13216 } 13217 13218 if (temp) { 13219 createCopyFile(); 13220 } else { 13221 /* 13222 * Pre-emptively destroy the container since it's destroyed if 13223 * copying fails due to it existing anyway. 13224 */ 13225 PackageHelper.destroySdDir(cid); 13226 } 13227 13228 final String newMountPath = imcs.copyPackageToContainer( 13229 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13230 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13231 13232 if (newMountPath != null) { 13233 setMountPath(newMountPath); 13234 return PackageManager.INSTALL_SUCCEEDED; 13235 } else { 13236 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13237 } 13238 } 13239 13240 @Override 13241 String getCodePath() { 13242 return packagePath; 13243 } 13244 13245 @Override 13246 String getResourcePath() { 13247 return resourcePath; 13248 } 13249 13250 int doPreInstall(int status) { 13251 if (status != PackageManager.INSTALL_SUCCEEDED) { 13252 // Destroy container 13253 PackageHelper.destroySdDir(cid); 13254 } else { 13255 boolean mounted = PackageHelper.isContainerMounted(cid); 13256 if (!mounted) { 13257 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13258 Process.SYSTEM_UID); 13259 if (newMountPath != null) { 13260 setMountPath(newMountPath); 13261 } else { 13262 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13263 } 13264 } 13265 } 13266 return status; 13267 } 13268 13269 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13270 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13271 String newMountPath = null; 13272 if (PackageHelper.isContainerMounted(cid)) { 13273 // Unmount the container 13274 if (!PackageHelper.unMountSdDir(cid)) { 13275 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13276 return false; 13277 } 13278 } 13279 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13280 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13281 " which might be stale. Will try to clean up."); 13282 // Clean up the stale container and proceed to recreate. 13283 if (!PackageHelper.destroySdDir(newCacheId)) { 13284 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13285 return false; 13286 } 13287 // Successfully cleaned up stale container. Try to rename again. 13288 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13289 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13290 + " inspite of cleaning it up."); 13291 return false; 13292 } 13293 } 13294 if (!PackageHelper.isContainerMounted(newCacheId)) { 13295 Slog.w(TAG, "Mounting container " + newCacheId); 13296 newMountPath = PackageHelper.mountSdDir(newCacheId, 13297 getEncryptKey(), Process.SYSTEM_UID); 13298 } else { 13299 newMountPath = PackageHelper.getSdDir(newCacheId); 13300 } 13301 if (newMountPath == null) { 13302 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13303 return false; 13304 } 13305 Log.i(TAG, "Succesfully renamed " + cid + 13306 " to " + newCacheId + 13307 " at new path: " + newMountPath); 13308 cid = newCacheId; 13309 13310 final File beforeCodeFile = new File(packagePath); 13311 setMountPath(newMountPath); 13312 final File afterCodeFile = new File(packagePath); 13313 13314 // Reflect the rename in scanned details 13315 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13316 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13317 afterCodeFile, pkg.baseCodePath)); 13318 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13319 afterCodeFile, pkg.splitCodePaths)); 13320 13321 // Reflect the rename in app info 13322 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13323 pkg.setApplicationInfoCodePath(pkg.codePath); 13324 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13325 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13326 pkg.setApplicationInfoResourcePath(pkg.codePath); 13327 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13328 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13329 13330 return true; 13331 } 13332 13333 private void setMountPath(String mountPath) { 13334 final File mountFile = new File(mountPath); 13335 13336 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13337 if (monolithicFile.exists()) { 13338 packagePath = monolithicFile.getAbsolutePath(); 13339 if (isFwdLocked()) { 13340 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13341 } else { 13342 resourcePath = packagePath; 13343 } 13344 } else { 13345 packagePath = mountFile.getAbsolutePath(); 13346 resourcePath = packagePath; 13347 } 13348 } 13349 13350 int doPostInstall(int status, int uid) { 13351 if (status != PackageManager.INSTALL_SUCCEEDED) { 13352 cleanUp(); 13353 } else { 13354 final int groupOwner; 13355 final String protectedFile; 13356 if (isFwdLocked()) { 13357 groupOwner = UserHandle.getSharedAppGid(uid); 13358 protectedFile = RES_FILE_NAME; 13359 } else { 13360 groupOwner = -1; 13361 protectedFile = null; 13362 } 13363 13364 if (uid < Process.FIRST_APPLICATION_UID 13365 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13366 Slog.e(TAG, "Failed to finalize " + cid); 13367 PackageHelper.destroySdDir(cid); 13368 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13369 } 13370 13371 boolean mounted = PackageHelper.isContainerMounted(cid); 13372 if (!mounted) { 13373 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13374 } 13375 } 13376 return status; 13377 } 13378 13379 private void cleanUp() { 13380 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13381 13382 // Destroy secure container 13383 PackageHelper.destroySdDir(cid); 13384 } 13385 13386 private List<String> getAllCodePaths() { 13387 final File codeFile = new File(getCodePath()); 13388 if (codeFile != null && codeFile.exists()) { 13389 try { 13390 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13391 return pkg.getAllCodePaths(); 13392 } catch (PackageParserException e) { 13393 // Ignored; we tried our best 13394 } 13395 } 13396 return Collections.EMPTY_LIST; 13397 } 13398 13399 void cleanUpResourcesLI() { 13400 // Enumerate all code paths before deleting 13401 cleanUpResourcesLI(getAllCodePaths()); 13402 } 13403 13404 private void cleanUpResourcesLI(List<String> allCodePaths) { 13405 cleanUp(); 13406 removeDexFiles(allCodePaths, instructionSets); 13407 } 13408 13409 String getPackageName() { 13410 return getAsecPackageName(cid); 13411 } 13412 13413 boolean doPostDeleteLI(boolean delete) { 13414 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13415 final List<String> allCodePaths = getAllCodePaths(); 13416 boolean mounted = PackageHelper.isContainerMounted(cid); 13417 if (mounted) { 13418 // Unmount first 13419 if (PackageHelper.unMountSdDir(cid)) { 13420 mounted = false; 13421 } 13422 } 13423 if (!mounted && delete) { 13424 cleanUpResourcesLI(allCodePaths); 13425 } 13426 return !mounted; 13427 } 13428 13429 @Override 13430 int doPreCopy() { 13431 if (isFwdLocked()) { 13432 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13433 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13434 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13435 } 13436 } 13437 13438 return PackageManager.INSTALL_SUCCEEDED; 13439 } 13440 13441 @Override 13442 int doPostCopy(int uid) { 13443 if (isFwdLocked()) { 13444 if (uid < Process.FIRST_APPLICATION_UID 13445 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13446 RES_FILE_NAME)) { 13447 Slog.e(TAG, "Failed to finalize " + cid); 13448 PackageHelper.destroySdDir(cid); 13449 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13450 } 13451 } 13452 13453 return PackageManager.INSTALL_SUCCEEDED; 13454 } 13455 } 13456 13457 /** 13458 * Logic to handle movement of existing installed applications. 13459 */ 13460 class MoveInstallArgs extends InstallArgs { 13461 private File codeFile; 13462 private File resourceFile; 13463 13464 /** New install */ 13465 MoveInstallArgs(InstallParams params) { 13466 super(params.origin, params.move, params.observer, params.installFlags, 13467 params.installerPackageName, params.volumeUuid, 13468 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13469 params.grantedRuntimePermissions, 13470 params.traceMethod, params.traceCookie, params.certificates); 13471 } 13472 13473 int copyApk(IMediaContainerService imcs, boolean temp) { 13474 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13475 + move.fromUuid + " to " + move.toUuid); 13476 synchronized (mInstaller) { 13477 try { 13478 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13479 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13480 } catch (InstallerException e) { 13481 Slog.w(TAG, "Failed to move app", e); 13482 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13483 } 13484 } 13485 13486 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13487 resourceFile = codeFile; 13488 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13489 13490 return PackageManager.INSTALL_SUCCEEDED; 13491 } 13492 13493 int doPreInstall(int status) { 13494 if (status != PackageManager.INSTALL_SUCCEEDED) { 13495 cleanUp(move.toUuid); 13496 } 13497 return status; 13498 } 13499 13500 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13501 if (status != PackageManager.INSTALL_SUCCEEDED) { 13502 cleanUp(move.toUuid); 13503 return false; 13504 } 13505 13506 // Reflect the move in app info 13507 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13508 pkg.setApplicationInfoCodePath(pkg.codePath); 13509 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13510 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13511 pkg.setApplicationInfoResourcePath(pkg.codePath); 13512 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13513 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13514 13515 return true; 13516 } 13517 13518 int doPostInstall(int status, int uid) { 13519 if (status == PackageManager.INSTALL_SUCCEEDED) { 13520 cleanUp(move.fromUuid); 13521 } else { 13522 cleanUp(move.toUuid); 13523 } 13524 return status; 13525 } 13526 13527 @Override 13528 String getCodePath() { 13529 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13530 } 13531 13532 @Override 13533 String getResourcePath() { 13534 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13535 } 13536 13537 private boolean cleanUp(String volumeUuid) { 13538 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13539 move.dataAppName); 13540 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13541 final int[] userIds = sUserManager.getUserIds(); 13542 synchronized (mInstallLock) { 13543 // Clean up both app data and code 13544 // All package moves are frozen until finished 13545 for (int userId : userIds) { 13546 try { 13547 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13548 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13549 } catch (InstallerException e) { 13550 Slog.w(TAG, String.valueOf(e)); 13551 } 13552 } 13553 removeCodePathLI(codeFile); 13554 } 13555 return true; 13556 } 13557 13558 void cleanUpResourcesLI() { 13559 throw new UnsupportedOperationException(); 13560 } 13561 13562 boolean doPostDeleteLI(boolean delete) { 13563 throw new UnsupportedOperationException(); 13564 } 13565 } 13566 13567 static String getAsecPackageName(String packageCid) { 13568 int idx = packageCid.lastIndexOf("-"); 13569 if (idx == -1) { 13570 return packageCid; 13571 } 13572 return packageCid.substring(0, idx); 13573 } 13574 13575 // Utility method used to create code paths based on package name and available index. 13576 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13577 String idxStr = ""; 13578 int idx = 1; 13579 // Fall back to default value of idx=1 if prefix is not 13580 // part of oldCodePath 13581 if (oldCodePath != null) { 13582 String subStr = oldCodePath; 13583 // Drop the suffix right away 13584 if (suffix != null && subStr.endsWith(suffix)) { 13585 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13586 } 13587 // If oldCodePath already contains prefix find out the 13588 // ending index to either increment or decrement. 13589 int sidx = subStr.lastIndexOf(prefix); 13590 if (sidx != -1) { 13591 subStr = subStr.substring(sidx + prefix.length()); 13592 if (subStr != null) { 13593 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13594 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13595 } 13596 try { 13597 idx = Integer.parseInt(subStr); 13598 if (idx <= 1) { 13599 idx++; 13600 } else { 13601 idx--; 13602 } 13603 } catch(NumberFormatException e) { 13604 } 13605 } 13606 } 13607 } 13608 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13609 return prefix + idxStr; 13610 } 13611 13612 private File getNextCodePath(File targetDir, String packageName) { 13613 int suffix = 1; 13614 File result; 13615 do { 13616 result = new File(targetDir, packageName + "-" + suffix); 13617 suffix++; 13618 } while (result.exists()); 13619 return result; 13620 } 13621 13622 // Utility method that returns the relative package path with respect 13623 // to the installation directory. Like say for /data/data/com.test-1.apk 13624 // string com.test-1 is returned. 13625 static String deriveCodePathName(String codePath) { 13626 if (codePath == null) { 13627 return null; 13628 } 13629 final File codeFile = new File(codePath); 13630 final String name = codeFile.getName(); 13631 if (codeFile.isDirectory()) { 13632 return name; 13633 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13634 final int lastDot = name.lastIndexOf('.'); 13635 return name.substring(0, lastDot); 13636 } else { 13637 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13638 return null; 13639 } 13640 } 13641 13642 static class PackageInstalledInfo { 13643 String name; 13644 int uid; 13645 // The set of users that originally had this package installed. 13646 int[] origUsers; 13647 // The set of users that now have this package installed. 13648 int[] newUsers; 13649 PackageParser.Package pkg; 13650 int returnCode; 13651 String returnMsg; 13652 PackageRemovedInfo removedInfo; 13653 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13654 13655 public void setError(int code, String msg) { 13656 setReturnCode(code); 13657 setReturnMessage(msg); 13658 Slog.w(TAG, msg); 13659 } 13660 13661 public void setError(String msg, PackageParserException e) { 13662 setReturnCode(e.error); 13663 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13664 Slog.w(TAG, msg, e); 13665 } 13666 13667 public void setError(String msg, PackageManagerException e) { 13668 returnCode = e.error; 13669 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13670 Slog.w(TAG, msg, e); 13671 } 13672 13673 public void setReturnCode(int returnCode) { 13674 this.returnCode = returnCode; 13675 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13676 for (int i = 0; i < childCount; i++) { 13677 addedChildPackages.valueAt(i).returnCode = returnCode; 13678 } 13679 } 13680 13681 private void setReturnMessage(String returnMsg) { 13682 this.returnMsg = returnMsg; 13683 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13684 for (int i = 0; i < childCount; i++) { 13685 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13686 } 13687 } 13688 13689 // In some error cases we want to convey more info back to the observer 13690 String origPackage; 13691 String origPermission; 13692 } 13693 13694 /* 13695 * Install a non-existing package. 13696 */ 13697 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13698 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13699 PackageInstalledInfo res) { 13700 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13701 13702 // Remember this for later, in case we need to rollback this install 13703 String pkgName = pkg.packageName; 13704 13705 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13706 13707 synchronized(mPackages) { 13708 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13709 // A package with the same name is already installed, though 13710 // it has been renamed to an older name. The package we 13711 // are trying to install should be installed as an update to 13712 // the existing one, but that has not been requested, so bail. 13713 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13714 + " without first uninstalling package running as " 13715 + mSettings.mRenamedPackages.get(pkgName)); 13716 return; 13717 } 13718 if (mPackages.containsKey(pkgName)) { 13719 // Don't allow installation over an existing package with the same name. 13720 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13721 + " without first uninstalling."); 13722 return; 13723 } 13724 } 13725 13726 try { 13727 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13728 System.currentTimeMillis(), user); 13729 13730 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13731 13732 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13733 prepareAppDataAfterInstallLIF(newPackage); 13734 13735 } else { 13736 // Remove package from internal structures, but keep around any 13737 // data that might have already existed 13738 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13739 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13740 } 13741 } catch (PackageManagerException e) { 13742 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13743 } 13744 13745 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13746 } 13747 13748 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13749 // Can't rotate keys during boot or if sharedUser. 13750 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13751 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13752 return false; 13753 } 13754 // app is using upgradeKeySets; make sure all are valid 13755 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13756 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13757 for (int i = 0; i < upgradeKeySets.length; i++) { 13758 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13759 Slog.wtf(TAG, "Package " 13760 + (oldPs.name != null ? oldPs.name : "<null>") 13761 + " contains upgrade-key-set reference to unknown key-set: " 13762 + upgradeKeySets[i] 13763 + " reverting to signatures check."); 13764 return false; 13765 } 13766 } 13767 return true; 13768 } 13769 13770 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13771 // Upgrade keysets are being used. Determine if new package has a superset of the 13772 // required keys. 13773 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13774 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13775 for (int i = 0; i < upgradeKeySets.length; i++) { 13776 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13777 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13778 return true; 13779 } 13780 } 13781 return false; 13782 } 13783 13784 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13785 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13786 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13787 13788 final PackageParser.Package oldPackage; 13789 final String pkgName = pkg.packageName; 13790 final int[] allUsers; 13791 final int[] installedUsers; 13792 13793 synchronized(mPackages) { 13794 oldPackage = mPackages.get(pkgName); 13795 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13796 13797 // don't allow upgrade to target a release SDK from a pre-release SDK 13798 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13799 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13800 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13801 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13802 if (oldTargetsPreRelease 13803 && !newTargetsPreRelease 13804 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13805 Slog.w(TAG, "Can't install package targeting released sdk"); 13806 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13807 return; 13808 } 13809 13810 // don't allow an upgrade from full to ephemeral 13811 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13812 if (isEphemeral && !oldIsEphemeral) { 13813 // can't downgrade from full to ephemeral 13814 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13815 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13816 return; 13817 } 13818 13819 // verify signatures are valid 13820 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13821 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13822 if (!checkUpgradeKeySetLP(ps, pkg)) { 13823 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13824 "New package not signed by keys specified by upgrade-keysets: " 13825 + pkgName); 13826 return; 13827 } 13828 } else { 13829 // default to original signature matching 13830 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13831 != PackageManager.SIGNATURE_MATCH) { 13832 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13833 "New package has a different signature: " + pkgName); 13834 return; 13835 } 13836 } 13837 13838 // Check for shared user id changes 13839 String invalidPackageName = 13840 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13841 if (invalidPackageName != null) { 13842 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13843 "Package " + invalidPackageName + " tried to change user " 13844 + oldPackage.mSharedUserId); 13845 return; 13846 } 13847 13848 // In case of rollback, remember per-user/profile install state 13849 allUsers = sUserManager.getUserIds(); 13850 installedUsers = ps.queryInstalledUsers(allUsers, true); 13851 } 13852 13853 // Update what is removed 13854 res.removedInfo = new PackageRemovedInfo(); 13855 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13856 res.removedInfo.removedPackage = oldPackage.packageName; 13857 res.removedInfo.isUpdate = true; 13858 res.removedInfo.origUsers = installedUsers; 13859 final int childCount = (oldPackage.childPackages != null) 13860 ? oldPackage.childPackages.size() : 0; 13861 for (int i = 0; i < childCount; i++) { 13862 boolean childPackageUpdated = false; 13863 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13864 if (res.addedChildPackages != null) { 13865 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13866 if (childRes != null) { 13867 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13868 childRes.removedInfo.removedPackage = childPkg.packageName; 13869 childRes.removedInfo.isUpdate = true; 13870 childPackageUpdated = true; 13871 } 13872 } 13873 if (!childPackageUpdated) { 13874 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13875 childRemovedRes.removedPackage = childPkg.packageName; 13876 childRemovedRes.isUpdate = false; 13877 childRemovedRes.dataRemoved = true; 13878 synchronized (mPackages) { 13879 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13880 if (childPs != null) { 13881 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13882 } 13883 } 13884 if (res.removedInfo.removedChildPackages == null) { 13885 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13886 } 13887 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13888 } 13889 } 13890 13891 boolean sysPkg = (isSystemApp(oldPackage)); 13892 if (sysPkg) { 13893 // Set the system/privileged flags as needed 13894 final boolean privileged = 13895 (oldPackage.applicationInfo.privateFlags 13896 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13897 final int systemPolicyFlags = policyFlags 13898 | PackageParser.PARSE_IS_SYSTEM 13899 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 13900 13901 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 13902 user, allUsers, installerPackageName, res); 13903 } else { 13904 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 13905 user, allUsers, installerPackageName, res); 13906 } 13907 } 13908 13909 public List<String> getPreviousCodePaths(String packageName) { 13910 final PackageSetting ps = mSettings.mPackages.get(packageName); 13911 final List<String> result = new ArrayList<String>(); 13912 if (ps != null && ps.oldCodePaths != null) { 13913 result.addAll(ps.oldCodePaths); 13914 } 13915 return result; 13916 } 13917 13918 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 13919 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 13920 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13921 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13922 + deletedPackage); 13923 13924 String pkgName = deletedPackage.packageName; 13925 boolean deletedPkg = true; 13926 boolean addedPkg = false; 13927 boolean updatedSettings = false; 13928 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13929 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13930 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13931 13932 final long origUpdateTime = (pkg.mExtras != null) 13933 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13934 13935 // First delete the existing package while retaining the data directory 13936 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13937 res.removedInfo, true, pkg)) { 13938 // If the existing package wasn't successfully deleted 13939 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13940 deletedPkg = false; 13941 } else { 13942 // Successfully deleted the old package; proceed with replace. 13943 13944 // If deleted package lived in a container, give users a chance to 13945 // relinquish resources before killing. 13946 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13947 if (DEBUG_INSTALL) { 13948 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13949 } 13950 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13951 final ArrayList<String> pkgList = new ArrayList<String>(1); 13952 pkgList.add(deletedPackage.applicationInfo.packageName); 13953 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13954 } 13955 13956 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 13957 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 13958 clearAppProfilesLIF(pkg); 13959 13960 try { 13961 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 13962 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13963 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13964 13965 // Update the in-memory copy of the previous code paths. 13966 PackageSetting ps = mSettings.mPackages.get(pkgName); 13967 if (!killApp) { 13968 if (ps.oldCodePaths == null) { 13969 ps.oldCodePaths = new ArraySet<>(); 13970 } 13971 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13972 if (deletedPackage.splitCodePaths != null) { 13973 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13974 } 13975 } else { 13976 ps.oldCodePaths = null; 13977 } 13978 if (ps.childPackageNames != null) { 13979 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13980 final String childPkgName = ps.childPackageNames.get(i); 13981 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13982 childPs.oldCodePaths = ps.oldCodePaths; 13983 } 13984 } 13985 prepareAppDataAfterInstallLIF(newPackage); 13986 addedPkg = true; 13987 } catch (PackageManagerException e) { 13988 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13989 } 13990 } 13991 13992 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13993 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13994 13995 // Revert all internal state mutations and added folders for the failed install 13996 if (addedPkg) { 13997 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13998 res.removedInfo, true, null); 13999 } 14000 14001 // Restore the old package 14002 if (deletedPkg) { 14003 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14004 File restoreFile = new File(deletedPackage.codePath); 14005 // Parse old package 14006 boolean oldExternal = isExternal(deletedPackage); 14007 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14008 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14009 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14010 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14011 try { 14012 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14013 null); 14014 } catch (PackageManagerException e) { 14015 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14016 + e.getMessage()); 14017 return; 14018 } 14019 14020 synchronized (mPackages) { 14021 // Ensure the installer package name up to date 14022 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14023 14024 // Update permissions for restored package 14025 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14026 14027 mSettings.writeLPr(); 14028 } 14029 14030 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14031 } 14032 } else { 14033 synchronized (mPackages) { 14034 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14035 if (ps != null) { 14036 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14037 if (res.removedInfo.removedChildPackages != null) { 14038 final int childCount = res.removedInfo.removedChildPackages.size(); 14039 // Iterate in reverse as we may modify the collection 14040 for (int i = childCount - 1; i >= 0; i--) { 14041 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14042 if (res.addedChildPackages.containsKey(childPackageName)) { 14043 res.removedInfo.removedChildPackages.removeAt(i); 14044 } else { 14045 PackageRemovedInfo childInfo = res.removedInfo 14046 .removedChildPackages.valueAt(i); 14047 childInfo.removedForAllUsers = mPackages.get( 14048 childInfo.removedPackage) == null; 14049 } 14050 } 14051 } 14052 } 14053 } 14054 } 14055 } 14056 14057 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14058 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14059 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14060 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14061 + ", old=" + deletedPackage); 14062 14063 final boolean disabledSystem; 14064 14065 // Remove existing system package 14066 removePackageLI(deletedPackage, true); 14067 14068 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14069 if (!disabledSystem) { 14070 // We didn't need to disable the .apk as a current system package, 14071 // which means we are replacing another update that is already 14072 // installed. We need to make sure to delete the older one's .apk. 14073 res.removedInfo.args = createInstallArgsForExisting(0, 14074 deletedPackage.applicationInfo.getCodePath(), 14075 deletedPackage.applicationInfo.getResourcePath(), 14076 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14077 } else { 14078 res.removedInfo.args = null; 14079 } 14080 14081 // Successfully disabled the old package. Now proceed with re-installation 14082 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14083 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14084 clearAppProfilesLIF(pkg); 14085 14086 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14087 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14088 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14089 14090 PackageParser.Package newPackage = null; 14091 try { 14092 // Add the package to the internal data structures 14093 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14094 14095 // Set the update and install times 14096 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14097 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14098 System.currentTimeMillis()); 14099 14100 // Update the package dynamic state if succeeded 14101 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14102 // Now that the install succeeded make sure we remove data 14103 // directories for any child package the update removed. 14104 final int deletedChildCount = (deletedPackage.childPackages != null) 14105 ? deletedPackage.childPackages.size() : 0; 14106 final int newChildCount = (newPackage.childPackages != null) 14107 ? newPackage.childPackages.size() : 0; 14108 for (int i = 0; i < deletedChildCount; i++) { 14109 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14110 boolean childPackageDeleted = true; 14111 for (int j = 0; j < newChildCount; j++) { 14112 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14113 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14114 childPackageDeleted = false; 14115 break; 14116 } 14117 } 14118 if (childPackageDeleted) { 14119 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14120 deletedChildPkg.packageName); 14121 if (ps != null && res.removedInfo.removedChildPackages != null) { 14122 PackageRemovedInfo removedChildRes = res.removedInfo 14123 .removedChildPackages.get(deletedChildPkg.packageName); 14124 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14125 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14126 } 14127 } 14128 } 14129 14130 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14131 prepareAppDataAfterInstallLIF(newPackage); 14132 } 14133 } catch (PackageManagerException e) { 14134 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14135 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14136 } 14137 14138 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14139 // Re installation failed. Restore old information 14140 // Remove new pkg information 14141 if (newPackage != null) { 14142 removeInstalledPackageLI(newPackage, true); 14143 } 14144 // Add back the old system package 14145 try { 14146 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14147 } catch (PackageManagerException e) { 14148 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14149 } 14150 14151 synchronized (mPackages) { 14152 if (disabledSystem) { 14153 enableSystemPackageLPw(deletedPackage); 14154 } 14155 14156 // Ensure the installer package name up to date 14157 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14158 14159 // Update permissions for restored package 14160 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14161 14162 mSettings.writeLPr(); 14163 } 14164 14165 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14166 + " after failed upgrade"); 14167 } 14168 } 14169 14170 /** 14171 * Checks whether the parent or any of the child packages have a change shared 14172 * user. For a package to be a valid update the shred users of the parent and 14173 * the children should match. We may later support changing child shared users. 14174 * @param oldPkg The updated package. 14175 * @param newPkg The update package. 14176 * @return The shared user that change between the versions. 14177 */ 14178 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14179 PackageParser.Package newPkg) { 14180 // Check parent shared user 14181 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14182 return newPkg.packageName; 14183 } 14184 // Check child shared users 14185 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14186 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14187 for (int i = 0; i < newChildCount; i++) { 14188 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14189 // If this child was present, did it have the same shared user? 14190 for (int j = 0; j < oldChildCount; j++) { 14191 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14192 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14193 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14194 return newChildPkg.packageName; 14195 } 14196 } 14197 } 14198 return null; 14199 } 14200 14201 private void removeNativeBinariesLI(PackageSetting ps) { 14202 // Remove the lib path for the parent package 14203 if (ps != null) { 14204 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14205 // Remove the lib path for the child packages 14206 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14207 for (int i = 0; i < childCount; i++) { 14208 PackageSetting childPs = null; 14209 synchronized (mPackages) { 14210 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14211 } 14212 if (childPs != null) { 14213 NativeLibraryHelper.removeNativeBinariesLI(childPs 14214 .legacyNativeLibraryPathString); 14215 } 14216 } 14217 } 14218 } 14219 14220 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14221 // Enable the parent package 14222 mSettings.enableSystemPackageLPw(pkg.packageName); 14223 // Enable the child packages 14224 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14225 for (int i = 0; i < childCount; i++) { 14226 PackageParser.Package childPkg = pkg.childPackages.get(i); 14227 mSettings.enableSystemPackageLPw(childPkg.packageName); 14228 } 14229 } 14230 14231 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14232 PackageParser.Package newPkg) { 14233 // Disable the parent package (parent always replaced) 14234 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14235 // Disable the child packages 14236 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14237 for (int i = 0; i < childCount; i++) { 14238 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14239 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14240 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14241 } 14242 return disabled; 14243 } 14244 14245 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14246 String installerPackageName) { 14247 // Enable the parent package 14248 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14249 // Enable the child packages 14250 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14251 for (int i = 0; i < childCount; i++) { 14252 PackageParser.Package childPkg = pkg.childPackages.get(i); 14253 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14254 } 14255 } 14256 14257 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14258 // Collect all used permissions in the UID 14259 ArraySet<String> usedPermissions = new ArraySet<>(); 14260 final int packageCount = su.packages.size(); 14261 for (int i = 0; i < packageCount; i++) { 14262 PackageSetting ps = su.packages.valueAt(i); 14263 if (ps.pkg == null) { 14264 continue; 14265 } 14266 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14267 for (int j = 0; j < requestedPermCount; j++) { 14268 String permission = ps.pkg.requestedPermissions.get(j); 14269 BasePermission bp = mSettings.mPermissions.get(permission); 14270 if (bp != null) { 14271 usedPermissions.add(permission); 14272 } 14273 } 14274 } 14275 14276 PermissionsState permissionsState = su.getPermissionsState(); 14277 // Prune install permissions 14278 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14279 final int installPermCount = installPermStates.size(); 14280 for (int i = installPermCount - 1; i >= 0; i--) { 14281 PermissionState permissionState = installPermStates.get(i); 14282 if (!usedPermissions.contains(permissionState.getName())) { 14283 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14284 if (bp != null) { 14285 permissionsState.revokeInstallPermission(bp); 14286 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14287 PackageManager.MASK_PERMISSION_FLAGS, 0); 14288 } 14289 } 14290 } 14291 14292 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14293 14294 // Prune runtime permissions 14295 for (int userId : allUserIds) { 14296 List<PermissionState> runtimePermStates = permissionsState 14297 .getRuntimePermissionStates(userId); 14298 final int runtimePermCount = runtimePermStates.size(); 14299 for (int i = runtimePermCount - 1; i >= 0; i--) { 14300 PermissionState permissionState = runtimePermStates.get(i); 14301 if (!usedPermissions.contains(permissionState.getName())) { 14302 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14303 if (bp != null) { 14304 permissionsState.revokeRuntimePermission(bp, userId); 14305 permissionsState.updatePermissionFlags(bp, userId, 14306 PackageManager.MASK_PERMISSION_FLAGS, 0); 14307 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14308 runtimePermissionChangedUserIds, userId); 14309 } 14310 } 14311 } 14312 } 14313 14314 return runtimePermissionChangedUserIds; 14315 } 14316 14317 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14318 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14319 // Update the parent package setting 14320 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14321 res, user); 14322 // Update the child packages setting 14323 final int childCount = (newPackage.childPackages != null) 14324 ? newPackage.childPackages.size() : 0; 14325 for (int i = 0; i < childCount; i++) { 14326 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14327 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14328 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14329 childRes.origUsers, childRes, user); 14330 } 14331 } 14332 14333 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14334 String installerPackageName, int[] allUsers, int[] installedForUsers, 14335 PackageInstalledInfo res, UserHandle user) { 14336 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14337 14338 String pkgName = newPackage.packageName; 14339 synchronized (mPackages) { 14340 //write settings. the installStatus will be incomplete at this stage. 14341 //note that the new package setting would have already been 14342 //added to mPackages. It hasn't been persisted yet. 14343 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14344 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14345 mSettings.writeLPr(); 14346 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14347 } 14348 14349 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14350 synchronized (mPackages) { 14351 updatePermissionsLPw(newPackage.packageName, newPackage, 14352 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14353 ? UPDATE_PERMISSIONS_ALL : 0)); 14354 // For system-bundled packages, we assume that installing an upgraded version 14355 // of the package implies that the user actually wants to run that new code, 14356 // so we enable the package. 14357 PackageSetting ps = mSettings.mPackages.get(pkgName); 14358 final int userId = user.getIdentifier(); 14359 if (ps != null) { 14360 if (isSystemApp(newPackage)) { 14361 if (DEBUG_INSTALL) { 14362 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14363 } 14364 // Enable system package for requested users 14365 if (res.origUsers != null) { 14366 for (int origUserId : res.origUsers) { 14367 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14368 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14369 origUserId, installerPackageName); 14370 } 14371 } 14372 } 14373 // Also convey the prior install/uninstall state 14374 if (allUsers != null && installedForUsers != null) { 14375 for (int currentUserId : allUsers) { 14376 final boolean installed = ArrayUtils.contains( 14377 installedForUsers, currentUserId); 14378 if (DEBUG_INSTALL) { 14379 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14380 } 14381 ps.setInstalled(installed, currentUserId); 14382 } 14383 // these install state changes will be persisted in the 14384 // upcoming call to mSettings.writeLPr(). 14385 } 14386 } 14387 // It's implied that when a user requests installation, they want the app to be 14388 // installed and enabled. 14389 if (userId != UserHandle.USER_ALL) { 14390 ps.setInstalled(true, userId); 14391 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14392 } 14393 } 14394 res.name = pkgName; 14395 res.uid = newPackage.applicationInfo.uid; 14396 res.pkg = newPackage; 14397 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14398 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14399 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14400 //to update install status 14401 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14402 mSettings.writeLPr(); 14403 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14404 } 14405 14406 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14407 } 14408 14409 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14410 try { 14411 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14412 installPackageLI(args, res); 14413 } finally { 14414 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14415 } 14416 } 14417 14418 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14419 final int installFlags = args.installFlags; 14420 final String installerPackageName = args.installerPackageName; 14421 final String volumeUuid = args.volumeUuid; 14422 final File tmpPackageFile = new File(args.getCodePath()); 14423 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14424 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14425 || (args.volumeUuid != null)); 14426 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14427 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14428 boolean replace = false; 14429 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14430 if (args.move != null) { 14431 // moving a complete application; perform an initial scan on the new install location 14432 scanFlags |= SCAN_INITIAL; 14433 } 14434 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14435 scanFlags |= SCAN_DONT_KILL_APP; 14436 } 14437 14438 // Result object to be returned 14439 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14440 14441 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14442 14443 // Sanity check 14444 if (ephemeral && (forwardLocked || onExternal)) { 14445 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14446 + " external=" + onExternal); 14447 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14448 return; 14449 } 14450 14451 // Retrieve PackageSettings and parse package 14452 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14453 | PackageParser.PARSE_ENFORCE_CODE 14454 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14455 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14456 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14457 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14458 PackageParser pp = new PackageParser(); 14459 pp.setSeparateProcesses(mSeparateProcesses); 14460 pp.setDisplayMetrics(mMetrics); 14461 14462 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14463 final PackageParser.Package pkg; 14464 try { 14465 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14466 } catch (PackageParserException e) { 14467 res.setError("Failed parse during installPackageLI", e); 14468 return; 14469 } finally { 14470 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14471 } 14472 14473 // If we are installing a clustered package add results for the children 14474 if (pkg.childPackages != null) { 14475 synchronized (mPackages) { 14476 final int childCount = pkg.childPackages.size(); 14477 for (int i = 0; i < childCount; i++) { 14478 PackageParser.Package childPkg = pkg.childPackages.get(i); 14479 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14480 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14481 childRes.pkg = childPkg; 14482 childRes.name = childPkg.packageName; 14483 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14484 if (childPs != null) { 14485 childRes.origUsers = childPs.queryInstalledUsers( 14486 sUserManager.getUserIds(), true); 14487 } 14488 if ((mPackages.containsKey(childPkg.packageName))) { 14489 childRes.removedInfo = new PackageRemovedInfo(); 14490 childRes.removedInfo.removedPackage = childPkg.packageName; 14491 } 14492 if (res.addedChildPackages == null) { 14493 res.addedChildPackages = new ArrayMap<>(); 14494 } 14495 res.addedChildPackages.put(childPkg.packageName, childRes); 14496 } 14497 } 14498 } 14499 14500 // If package doesn't declare API override, mark that we have an install 14501 // time CPU ABI override. 14502 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14503 pkg.cpuAbiOverride = args.abiOverride; 14504 } 14505 14506 String pkgName = res.name = pkg.packageName; 14507 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14508 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14509 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14510 return; 14511 } 14512 } 14513 14514 try { 14515 // either use what we've been given or parse directly from the APK 14516 if (args.certificates != null) { 14517 try { 14518 PackageParser.populateCertificates(pkg, args.certificates); 14519 } catch (PackageParserException e) { 14520 // there was something wrong with the certificates we were given; 14521 // try to pull them from the APK 14522 PackageParser.collectCertificates(pkg, parseFlags); 14523 } 14524 } else { 14525 PackageParser.collectCertificates(pkg, parseFlags); 14526 } 14527 } catch (PackageParserException e) { 14528 res.setError("Failed collect during installPackageLI", e); 14529 return; 14530 } 14531 14532 // Get rid of all references to package scan path via parser. 14533 pp = null; 14534 String oldCodePath = null; 14535 boolean systemApp = false; 14536 synchronized (mPackages) { 14537 // Check if installing already existing package 14538 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14539 String oldName = mSettings.mRenamedPackages.get(pkgName); 14540 if (pkg.mOriginalPackages != null 14541 && pkg.mOriginalPackages.contains(oldName) 14542 && mPackages.containsKey(oldName)) { 14543 // This package is derived from an original package, 14544 // and this device has been updating from that original 14545 // name. We must continue using the original name, so 14546 // rename the new package here. 14547 pkg.setPackageName(oldName); 14548 pkgName = pkg.packageName; 14549 replace = true; 14550 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14551 + oldName + " pkgName=" + pkgName); 14552 } else if (mPackages.containsKey(pkgName)) { 14553 // This package, under its official name, already exists 14554 // on the device; we should replace it. 14555 replace = true; 14556 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14557 } 14558 14559 // Child packages are installed through the parent package 14560 if (pkg.parentPackage != null) { 14561 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14562 "Package " + pkg.packageName + " is child of package " 14563 + pkg.parentPackage.parentPackage + ". Child packages " 14564 + "can be updated only through the parent package."); 14565 return; 14566 } 14567 14568 if (replace) { 14569 // Prevent apps opting out from runtime permissions 14570 PackageParser.Package oldPackage = mPackages.get(pkgName); 14571 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14572 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14573 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14574 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14575 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14576 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14577 + " doesn't support runtime permissions but the old" 14578 + " target SDK " + oldTargetSdk + " does."); 14579 return; 14580 } 14581 14582 // Prevent installing of child packages 14583 if (oldPackage.parentPackage != null) { 14584 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14585 "Package " + pkg.packageName + " is child of package " 14586 + oldPackage.parentPackage + ". Child packages " 14587 + "can be updated only through the parent package."); 14588 return; 14589 } 14590 } 14591 } 14592 14593 PackageSetting ps = mSettings.mPackages.get(pkgName); 14594 if (ps != null) { 14595 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14596 14597 // Quick sanity check that we're signed correctly if updating; 14598 // we'll check this again later when scanning, but we want to 14599 // bail early here before tripping over redefined permissions. 14600 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14601 if (!checkUpgradeKeySetLP(ps, pkg)) { 14602 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14603 + pkg.packageName + " upgrade keys do not match the " 14604 + "previously installed version"); 14605 return; 14606 } 14607 } else { 14608 try { 14609 verifySignaturesLP(ps, pkg); 14610 } catch (PackageManagerException e) { 14611 res.setError(e.error, e.getMessage()); 14612 return; 14613 } 14614 } 14615 14616 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14617 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14618 systemApp = (ps.pkg.applicationInfo.flags & 14619 ApplicationInfo.FLAG_SYSTEM) != 0; 14620 } 14621 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14622 } 14623 14624 // Check whether the newly-scanned package wants to define an already-defined perm 14625 int N = pkg.permissions.size(); 14626 for (int i = N-1; i >= 0; i--) { 14627 PackageParser.Permission perm = pkg.permissions.get(i); 14628 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14629 if (bp != null) { 14630 // If the defining package is signed with our cert, it's okay. This 14631 // also includes the "updating the same package" case, of course. 14632 // "updating same package" could also involve key-rotation. 14633 final boolean sigsOk; 14634 if (bp.sourcePackage.equals(pkg.packageName) 14635 && (bp.packageSetting instanceof PackageSetting) 14636 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14637 scanFlags))) { 14638 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14639 } else { 14640 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14641 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14642 } 14643 if (!sigsOk) { 14644 // If the owning package is the system itself, we log but allow 14645 // install to proceed; we fail the install on all other permission 14646 // redefinitions. 14647 if (!bp.sourcePackage.equals("android")) { 14648 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14649 + pkg.packageName + " attempting to redeclare permission " 14650 + perm.info.name + " already owned by " + bp.sourcePackage); 14651 res.origPermission = perm.info.name; 14652 res.origPackage = bp.sourcePackage; 14653 return; 14654 } else { 14655 Slog.w(TAG, "Package " + pkg.packageName 14656 + " attempting to redeclare system permission " 14657 + perm.info.name + "; ignoring new declaration"); 14658 pkg.permissions.remove(i); 14659 } 14660 } 14661 } 14662 } 14663 } 14664 14665 if (systemApp) { 14666 if (onExternal) { 14667 // Abort update; system app can't be replaced with app on sdcard 14668 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14669 "Cannot install updates to system apps on sdcard"); 14670 return; 14671 } else if (ephemeral) { 14672 // Abort update; system app can't be replaced with an ephemeral app 14673 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14674 "Cannot update a system app with an ephemeral app"); 14675 return; 14676 } 14677 } 14678 14679 if (args.move != null) { 14680 // We did an in-place move, so dex is ready to roll 14681 scanFlags |= SCAN_NO_DEX; 14682 scanFlags |= SCAN_MOVE; 14683 14684 synchronized (mPackages) { 14685 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14686 if (ps == null) { 14687 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14688 "Missing settings for moved package " + pkgName); 14689 } 14690 14691 // We moved the entire application as-is, so bring over the 14692 // previously derived ABI information. 14693 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14694 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14695 } 14696 14697 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14698 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14699 scanFlags |= SCAN_NO_DEX; 14700 14701 try { 14702 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14703 args.abiOverride : pkg.cpuAbiOverride); 14704 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14705 true /* extract libs */); 14706 } catch (PackageManagerException pme) { 14707 Slog.e(TAG, "Error deriving application ABI", pme); 14708 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14709 return; 14710 } 14711 14712 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14713 // Do not run PackageDexOptimizer through the local performDexOpt 14714 // method because `pkg` is not in `mPackages` yet. 14715 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14716 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14717 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14718 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14719 String msg = "Extracting package failed for " + pkgName; 14720 res.setError(INSTALL_FAILED_DEXOPT, msg); 14721 return; 14722 } 14723 14724 // Notify BackgroundDexOptService that the package has been changed. 14725 // If this is an update of a package which used to fail to compile, 14726 // BDOS will remove it from its blacklist. 14727 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14728 } 14729 14730 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14731 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14732 return; 14733 } 14734 14735 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14736 14737 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14738 "installPackageLI")) { 14739 if (replace) { 14740 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14741 installerPackageName, res); 14742 } else { 14743 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14744 args.user, installerPackageName, volumeUuid, res); 14745 } 14746 } 14747 synchronized (mPackages) { 14748 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14749 if (ps != null) { 14750 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14751 } 14752 14753 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14754 for (int i = 0; i < childCount; i++) { 14755 PackageParser.Package childPkg = pkg.childPackages.get(i); 14756 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14757 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14758 if (childPs != null) { 14759 childRes.newUsers = childPs.queryInstalledUsers( 14760 sUserManager.getUserIds(), true); 14761 } 14762 } 14763 } 14764 } 14765 14766 private void startIntentFilterVerifications(int userId, boolean replacing, 14767 PackageParser.Package pkg) { 14768 if (mIntentFilterVerifierComponent == null) { 14769 Slog.w(TAG, "No IntentFilter verification will not be done as " 14770 + "there is no IntentFilterVerifier available!"); 14771 return; 14772 } 14773 14774 final int verifierUid = getPackageUid( 14775 mIntentFilterVerifierComponent.getPackageName(), 14776 MATCH_DEBUG_TRIAGED_MISSING, 14777 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14778 14779 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14780 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14781 mHandler.sendMessage(msg); 14782 14783 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14784 for (int i = 0; i < childCount; i++) { 14785 PackageParser.Package childPkg = pkg.childPackages.get(i); 14786 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14787 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14788 mHandler.sendMessage(msg); 14789 } 14790 } 14791 14792 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14793 PackageParser.Package pkg) { 14794 int size = pkg.activities.size(); 14795 if (size == 0) { 14796 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14797 "No activity, so no need to verify any IntentFilter!"); 14798 return; 14799 } 14800 14801 final boolean hasDomainURLs = hasDomainURLs(pkg); 14802 if (!hasDomainURLs) { 14803 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14804 "No domain URLs, so no need to verify any IntentFilter!"); 14805 return; 14806 } 14807 14808 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14809 + " if any IntentFilter from the " + size 14810 + " Activities needs verification ..."); 14811 14812 int count = 0; 14813 final String packageName = pkg.packageName; 14814 14815 synchronized (mPackages) { 14816 // If this is a new install and we see that we've already run verification for this 14817 // package, we have nothing to do: it means the state was restored from backup. 14818 if (!replacing) { 14819 IntentFilterVerificationInfo ivi = 14820 mSettings.getIntentFilterVerificationLPr(packageName); 14821 if (ivi != null) { 14822 if (DEBUG_DOMAIN_VERIFICATION) { 14823 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14824 + ivi.getStatusString()); 14825 } 14826 return; 14827 } 14828 } 14829 14830 // If any filters need to be verified, then all need to be. 14831 boolean needToVerify = false; 14832 for (PackageParser.Activity a : pkg.activities) { 14833 for (ActivityIntentInfo filter : a.intents) { 14834 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14835 if (DEBUG_DOMAIN_VERIFICATION) { 14836 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14837 } 14838 needToVerify = true; 14839 break; 14840 } 14841 } 14842 } 14843 14844 if (needToVerify) { 14845 final int verificationId = mIntentFilterVerificationToken++; 14846 for (PackageParser.Activity a : pkg.activities) { 14847 for (ActivityIntentInfo filter : a.intents) { 14848 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14849 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14850 "Verification needed for IntentFilter:" + filter.toString()); 14851 mIntentFilterVerifier.addOneIntentFilterVerification( 14852 verifierUid, userId, verificationId, filter, packageName); 14853 count++; 14854 } 14855 } 14856 } 14857 } 14858 } 14859 14860 if (count > 0) { 14861 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14862 + " IntentFilter verification" + (count > 1 ? "s" : "") 14863 + " for userId:" + userId); 14864 mIntentFilterVerifier.startVerifications(userId); 14865 } else { 14866 if (DEBUG_DOMAIN_VERIFICATION) { 14867 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14868 } 14869 } 14870 } 14871 14872 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14873 final ComponentName cn = filter.activity.getComponentName(); 14874 final String packageName = cn.getPackageName(); 14875 14876 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14877 packageName); 14878 if (ivi == null) { 14879 return true; 14880 } 14881 int status = ivi.getStatus(); 14882 switch (status) { 14883 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14884 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14885 return true; 14886 14887 default: 14888 // Nothing to do 14889 return false; 14890 } 14891 } 14892 14893 private static boolean isMultiArch(ApplicationInfo info) { 14894 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14895 } 14896 14897 private static boolean isExternal(PackageParser.Package pkg) { 14898 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14899 } 14900 14901 private static boolean isExternal(PackageSetting ps) { 14902 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14903 } 14904 14905 private static boolean isEphemeral(PackageParser.Package pkg) { 14906 return pkg.applicationInfo.isEphemeralApp(); 14907 } 14908 14909 private static boolean isEphemeral(PackageSetting ps) { 14910 return ps.pkg != null && isEphemeral(ps.pkg); 14911 } 14912 14913 private static boolean isSystemApp(PackageParser.Package pkg) { 14914 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14915 } 14916 14917 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14918 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14919 } 14920 14921 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14922 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14923 } 14924 14925 private static boolean isSystemApp(PackageSetting ps) { 14926 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14927 } 14928 14929 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14930 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14931 } 14932 14933 private int packageFlagsToInstallFlags(PackageSetting ps) { 14934 int installFlags = 0; 14935 if (isEphemeral(ps)) { 14936 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14937 } 14938 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14939 // This existing package was an external ASEC install when we have 14940 // the external flag without a UUID 14941 installFlags |= PackageManager.INSTALL_EXTERNAL; 14942 } 14943 if (ps.isForwardLocked()) { 14944 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14945 } 14946 return installFlags; 14947 } 14948 14949 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14950 if (isExternal(pkg)) { 14951 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14952 return StorageManager.UUID_PRIMARY_PHYSICAL; 14953 } else { 14954 return pkg.volumeUuid; 14955 } 14956 } else { 14957 return StorageManager.UUID_PRIVATE_INTERNAL; 14958 } 14959 } 14960 14961 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14962 if (isExternal(pkg)) { 14963 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14964 return mSettings.getExternalVersion(); 14965 } else { 14966 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14967 } 14968 } else { 14969 return mSettings.getInternalVersion(); 14970 } 14971 } 14972 14973 private void deleteTempPackageFiles() { 14974 final FilenameFilter filter = new FilenameFilter() { 14975 public boolean accept(File dir, String name) { 14976 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14977 } 14978 }; 14979 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14980 file.delete(); 14981 } 14982 } 14983 14984 @Override 14985 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14986 int flags) { 14987 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14988 flags); 14989 } 14990 14991 @Override 14992 public void deletePackage(final String packageName, 14993 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 14994 mContext.enforceCallingOrSelfPermission( 14995 android.Manifest.permission.DELETE_PACKAGES, null); 14996 Preconditions.checkNotNull(packageName); 14997 Preconditions.checkNotNull(observer); 14998 final int uid = Binder.getCallingUid(); 14999 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15000 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15001 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15002 mContext.enforceCallingOrSelfPermission( 15003 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15004 "deletePackage for user " + userId); 15005 } 15006 15007 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15008 try { 15009 observer.onPackageDeleted(packageName, 15010 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15011 } catch (RemoteException re) { 15012 } 15013 return; 15014 } 15015 15016 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15017 try { 15018 observer.onPackageDeleted(packageName, 15019 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15020 } catch (RemoteException re) { 15021 } 15022 return; 15023 } 15024 15025 if (DEBUG_REMOVE) { 15026 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15027 + " deleteAllUsers: " + deleteAllUsers ); 15028 } 15029 // Queue up an async operation since the package deletion may take a little while. 15030 mHandler.post(new Runnable() { 15031 public void run() { 15032 mHandler.removeCallbacks(this); 15033 int returnCode; 15034 if (!deleteAllUsers) { 15035 returnCode = deletePackageX(packageName, userId, deleteFlags); 15036 } else { 15037 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15038 // If nobody is blocking uninstall, proceed with delete for all users 15039 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15040 returnCode = deletePackageX(packageName, userId, deleteFlags); 15041 } else { 15042 // Otherwise uninstall individually for users with blockUninstalls=false 15043 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15044 for (int userId : users) { 15045 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15046 returnCode = deletePackageX(packageName, userId, userFlags); 15047 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15048 Slog.w(TAG, "Package delete failed for user " + userId 15049 + ", returnCode " + returnCode); 15050 } 15051 } 15052 } 15053 // The app has only been marked uninstalled for certain users. 15054 // We still need to report that delete was blocked 15055 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15056 } 15057 } 15058 try { 15059 observer.onPackageDeleted(packageName, returnCode, null); 15060 } catch (RemoteException e) { 15061 Log.i(TAG, "Observer no longer exists."); 15062 } //end catch 15063 } //end run 15064 }); 15065 } 15066 15067 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15068 int[] result = EMPTY_INT_ARRAY; 15069 for (int userId : userIds) { 15070 if (getBlockUninstallForUser(packageName, userId)) { 15071 result = ArrayUtils.appendInt(result, userId); 15072 } 15073 } 15074 return result; 15075 } 15076 15077 @Override 15078 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15079 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15080 } 15081 15082 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15083 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15084 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15085 try { 15086 if (dpm != null) { 15087 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15088 /* callingUserOnly =*/ false); 15089 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15090 : deviceOwnerComponentName.getPackageName(); 15091 // Does the package contains the device owner? 15092 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15093 // this check is probably not needed, since DO should be registered as a device 15094 // admin on some user too. (Original bug for this: b/17657954) 15095 if (packageName.equals(deviceOwnerPackageName)) { 15096 return true; 15097 } 15098 // Does it contain a device admin for any user? 15099 int[] users; 15100 if (userId == UserHandle.USER_ALL) { 15101 users = sUserManager.getUserIds(); 15102 } else { 15103 users = new int[]{userId}; 15104 } 15105 for (int i = 0; i < users.length; ++i) { 15106 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15107 return true; 15108 } 15109 } 15110 } 15111 } catch (RemoteException e) { 15112 } 15113 return false; 15114 } 15115 15116 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15117 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15118 } 15119 15120 /** 15121 * This method is an internal method that could be get invoked either 15122 * to delete an installed package or to clean up a failed installation. 15123 * After deleting an installed package, a broadcast is sent to notify any 15124 * listeners that the package has been removed. For cleaning up a failed 15125 * installation, the broadcast is not necessary since the package's 15126 * installation wouldn't have sent the initial broadcast either 15127 * The key steps in deleting a package are 15128 * deleting the package information in internal structures like mPackages, 15129 * deleting the packages base directories through installd 15130 * updating mSettings to reflect current status 15131 * persisting settings for later use 15132 * sending a broadcast if necessary 15133 */ 15134 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15135 final PackageRemovedInfo info = new PackageRemovedInfo(); 15136 final boolean res; 15137 15138 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15139 ? UserHandle.ALL : new UserHandle(userId); 15140 15141 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15142 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15143 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15144 } 15145 15146 PackageSetting uninstalledPs = null; 15147 15148 // for the uninstall-updates case and restricted profiles, remember the per- 15149 // user handle installed state 15150 int[] allUsers; 15151 synchronized (mPackages) { 15152 uninstalledPs = mSettings.mPackages.get(packageName); 15153 if (uninstalledPs == null) { 15154 Slog.w(TAG, "Not removing non-existent package " + packageName); 15155 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15156 } 15157 allUsers = sUserManager.getUserIds(); 15158 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15159 } 15160 15161 synchronized (mInstallLock) { 15162 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15163 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15164 "deletePackageX")) { 15165 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15166 deleteFlags | REMOVE_CHATTY, info, true, null); 15167 } 15168 synchronized (mPackages) { 15169 if (res) { 15170 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15171 } 15172 } 15173 } 15174 15175 if (res) { 15176 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15177 info.sendPackageRemovedBroadcasts(killApp); 15178 info.sendSystemPackageUpdatedBroadcasts(); 15179 info.sendSystemPackageAppearedBroadcasts(); 15180 } 15181 // Force a gc here. 15182 Runtime.getRuntime().gc(); 15183 // Delete the resources here after sending the broadcast to let 15184 // other processes clean up before deleting resources. 15185 if (info.args != null) { 15186 synchronized (mInstallLock) { 15187 info.args.doPostDeleteLI(true); 15188 } 15189 } 15190 15191 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15192 } 15193 15194 class PackageRemovedInfo { 15195 String removedPackage; 15196 int uid = -1; 15197 int removedAppId = -1; 15198 int[] origUsers; 15199 int[] removedUsers = null; 15200 boolean isRemovedPackageSystemUpdate = false; 15201 boolean isUpdate; 15202 boolean dataRemoved; 15203 boolean removedForAllUsers; 15204 // Clean up resources deleted packages. 15205 InstallArgs args = null; 15206 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15207 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15208 15209 void sendPackageRemovedBroadcasts(boolean killApp) { 15210 sendPackageRemovedBroadcastInternal(killApp); 15211 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15212 for (int i = 0; i < childCount; i++) { 15213 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15214 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15215 } 15216 } 15217 15218 void sendSystemPackageUpdatedBroadcasts() { 15219 if (isRemovedPackageSystemUpdate) { 15220 sendSystemPackageUpdatedBroadcastsInternal(); 15221 final int childCount = (removedChildPackages != null) 15222 ? removedChildPackages.size() : 0; 15223 for (int i = 0; i < childCount; i++) { 15224 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15225 if (childInfo.isRemovedPackageSystemUpdate) { 15226 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15227 } 15228 } 15229 } 15230 } 15231 15232 void sendSystemPackageAppearedBroadcasts() { 15233 final int packageCount = (appearedChildPackages != null) 15234 ? appearedChildPackages.size() : 0; 15235 for (int i = 0; i < packageCount; i++) { 15236 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15237 for (int userId : installedInfo.newUsers) { 15238 sendPackageAddedForUser(installedInfo.name, true, 15239 UserHandle.getAppId(installedInfo.uid), userId); 15240 } 15241 } 15242 } 15243 15244 private void sendSystemPackageUpdatedBroadcastsInternal() { 15245 Bundle extras = new Bundle(2); 15246 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15247 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15248 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15249 extras, 0, null, null, null); 15250 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15251 extras, 0, null, null, null); 15252 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15253 null, 0, removedPackage, null, null); 15254 } 15255 15256 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15257 Bundle extras = new Bundle(2); 15258 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15259 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15260 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15261 if (isUpdate || isRemovedPackageSystemUpdate) { 15262 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15263 } 15264 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15265 if (removedPackage != null) { 15266 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15267 extras, 0, null, null, removedUsers); 15268 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15269 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15270 removedPackage, extras, 0, null, null, removedUsers); 15271 } 15272 } 15273 if (removedAppId >= 0) { 15274 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15275 removedUsers); 15276 } 15277 } 15278 } 15279 15280 /* 15281 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15282 * flag is not set, the data directory is removed as well. 15283 * make sure this flag is set for partially installed apps. If not its meaningless to 15284 * delete a partially installed application. 15285 */ 15286 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15287 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15288 String packageName = ps.name; 15289 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15290 // Retrieve object to delete permissions for shared user later on 15291 final PackageParser.Package deletedPkg; 15292 final PackageSetting deletedPs; 15293 // reader 15294 synchronized (mPackages) { 15295 deletedPkg = mPackages.get(packageName); 15296 deletedPs = mSettings.mPackages.get(packageName); 15297 if (outInfo != null) { 15298 outInfo.removedPackage = packageName; 15299 outInfo.removedUsers = deletedPs != null 15300 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15301 : null; 15302 } 15303 } 15304 15305 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15306 15307 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15308 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15309 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15310 destroyAppProfilesLIF(deletedPkg); 15311 if (outInfo != null) { 15312 outInfo.dataRemoved = true; 15313 } 15314 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15315 } 15316 15317 // writer 15318 synchronized (mPackages) { 15319 if (deletedPs != null) { 15320 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15321 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15322 clearDefaultBrowserIfNeeded(packageName); 15323 if (outInfo != null) { 15324 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15325 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15326 } 15327 updatePermissionsLPw(deletedPs.name, null, 0); 15328 if (deletedPs.sharedUser != null) { 15329 // Remove permissions associated with package. Since runtime 15330 // permissions are per user we have to kill the removed package 15331 // or packages running under the shared user of the removed 15332 // package if revoking the permissions requested only by the removed 15333 // package is successful and this causes a change in gids. 15334 for (int userId : UserManagerService.getInstance().getUserIds()) { 15335 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15336 userId); 15337 if (userIdToKill == UserHandle.USER_ALL 15338 || userIdToKill >= UserHandle.USER_SYSTEM) { 15339 // If gids changed for this user, kill all affected packages. 15340 mHandler.post(new Runnable() { 15341 @Override 15342 public void run() { 15343 // This has to happen with no lock held. 15344 killApplication(deletedPs.name, deletedPs.appId, 15345 KILL_APP_REASON_GIDS_CHANGED); 15346 } 15347 }); 15348 break; 15349 } 15350 } 15351 } 15352 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15353 } 15354 // make sure to preserve per-user disabled state if this removal was just 15355 // a downgrade of a system app to the factory package 15356 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15357 if (DEBUG_REMOVE) { 15358 Slog.d(TAG, "Propagating install state across downgrade"); 15359 } 15360 for (int userId : allUserHandles) { 15361 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15362 if (DEBUG_REMOVE) { 15363 Slog.d(TAG, " user " + userId + " => " + installed); 15364 } 15365 ps.setInstalled(installed, userId); 15366 } 15367 } 15368 } 15369 // can downgrade to reader 15370 if (writeSettings) { 15371 // Save settings now 15372 mSettings.writeLPr(); 15373 } 15374 } 15375 if (outInfo != null) { 15376 // A user ID was deleted here. Go through all users and remove it 15377 // from KeyStore. 15378 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15379 } 15380 } 15381 15382 static boolean locationIsPrivileged(File path) { 15383 try { 15384 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15385 .getCanonicalPath(); 15386 return path.getCanonicalPath().startsWith(privilegedAppDir); 15387 } catch (IOException e) { 15388 Slog.e(TAG, "Unable to access code path " + path); 15389 } 15390 return false; 15391 } 15392 15393 /* 15394 * Tries to delete system package. 15395 */ 15396 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15397 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15398 boolean writeSettings) { 15399 if (deletedPs.parentPackageName != null) { 15400 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15401 return false; 15402 } 15403 15404 final boolean applyUserRestrictions 15405 = (allUserHandles != null) && (outInfo.origUsers != null); 15406 final PackageSetting disabledPs; 15407 // Confirm if the system package has been updated 15408 // An updated system app can be deleted. This will also have to restore 15409 // the system pkg from system partition 15410 // reader 15411 synchronized (mPackages) { 15412 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15413 } 15414 15415 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15416 + " disabledPs=" + disabledPs); 15417 15418 if (disabledPs == null) { 15419 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15420 return false; 15421 } else if (DEBUG_REMOVE) { 15422 Slog.d(TAG, "Deleting system pkg from data partition"); 15423 } 15424 15425 if (DEBUG_REMOVE) { 15426 if (applyUserRestrictions) { 15427 Slog.d(TAG, "Remembering install states:"); 15428 for (int userId : allUserHandles) { 15429 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15430 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15431 } 15432 } 15433 } 15434 15435 // Delete the updated package 15436 outInfo.isRemovedPackageSystemUpdate = true; 15437 if (outInfo.removedChildPackages != null) { 15438 final int childCount = (deletedPs.childPackageNames != null) 15439 ? deletedPs.childPackageNames.size() : 0; 15440 for (int i = 0; i < childCount; i++) { 15441 String childPackageName = deletedPs.childPackageNames.get(i); 15442 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15443 .contains(childPackageName)) { 15444 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15445 childPackageName); 15446 if (childInfo != null) { 15447 childInfo.isRemovedPackageSystemUpdate = true; 15448 } 15449 } 15450 } 15451 } 15452 15453 if (disabledPs.versionCode < deletedPs.versionCode) { 15454 // Delete data for downgrades 15455 flags &= ~PackageManager.DELETE_KEEP_DATA; 15456 } else { 15457 // Preserve data by setting flag 15458 flags |= PackageManager.DELETE_KEEP_DATA; 15459 } 15460 15461 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15462 outInfo, writeSettings, disabledPs.pkg); 15463 if (!ret) { 15464 return false; 15465 } 15466 15467 // writer 15468 synchronized (mPackages) { 15469 // Reinstate the old system package 15470 enableSystemPackageLPw(disabledPs.pkg); 15471 // Remove any native libraries from the upgraded package. 15472 removeNativeBinariesLI(deletedPs); 15473 } 15474 15475 // Install the system package 15476 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15477 int parseFlags = mDefParseFlags 15478 | PackageParser.PARSE_MUST_BE_APK 15479 | PackageParser.PARSE_IS_SYSTEM 15480 | PackageParser.PARSE_IS_SYSTEM_DIR; 15481 if (locationIsPrivileged(disabledPs.codePath)) { 15482 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15483 } 15484 15485 final PackageParser.Package newPkg; 15486 try { 15487 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15488 } catch (PackageManagerException e) { 15489 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15490 + e.getMessage()); 15491 return false; 15492 } 15493 15494 prepareAppDataAfterInstallLIF(newPkg); 15495 15496 // writer 15497 synchronized (mPackages) { 15498 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15499 15500 // Propagate the permissions state as we do not want to drop on the floor 15501 // runtime permissions. The update permissions method below will take 15502 // care of removing obsolete permissions and grant install permissions. 15503 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15504 updatePermissionsLPw(newPkg.packageName, newPkg, 15505 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15506 15507 if (applyUserRestrictions) { 15508 if (DEBUG_REMOVE) { 15509 Slog.d(TAG, "Propagating install state across reinstall"); 15510 } 15511 for (int userId : allUserHandles) { 15512 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15513 if (DEBUG_REMOVE) { 15514 Slog.d(TAG, " user " + userId + " => " + installed); 15515 } 15516 ps.setInstalled(installed, userId); 15517 15518 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15519 } 15520 // Regardless of writeSettings we need to ensure that this restriction 15521 // state propagation is persisted 15522 mSettings.writeAllUsersPackageRestrictionsLPr(); 15523 } 15524 // can downgrade to reader here 15525 if (writeSettings) { 15526 mSettings.writeLPr(); 15527 } 15528 } 15529 return true; 15530 } 15531 15532 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15533 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15534 PackageRemovedInfo outInfo, boolean writeSettings, 15535 PackageParser.Package replacingPackage) { 15536 synchronized (mPackages) { 15537 if (outInfo != null) { 15538 outInfo.uid = ps.appId; 15539 } 15540 15541 if (outInfo != null && outInfo.removedChildPackages != null) { 15542 final int childCount = (ps.childPackageNames != null) 15543 ? ps.childPackageNames.size() : 0; 15544 for (int i = 0; i < childCount; i++) { 15545 String childPackageName = ps.childPackageNames.get(i); 15546 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15547 if (childPs == null) { 15548 return false; 15549 } 15550 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15551 childPackageName); 15552 if (childInfo != null) { 15553 childInfo.uid = childPs.appId; 15554 } 15555 } 15556 } 15557 } 15558 15559 // Delete package data from internal structures and also remove data if flag is set 15560 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15561 15562 // Delete the child packages data 15563 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15564 for (int i = 0; i < childCount; i++) { 15565 PackageSetting childPs; 15566 synchronized (mPackages) { 15567 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15568 } 15569 if (childPs != null) { 15570 PackageRemovedInfo childOutInfo = (outInfo != null 15571 && outInfo.removedChildPackages != null) 15572 ? outInfo.removedChildPackages.get(childPs.name) : null; 15573 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15574 && (replacingPackage != null 15575 && !replacingPackage.hasChildPackage(childPs.name)) 15576 ? flags & ~DELETE_KEEP_DATA : flags; 15577 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15578 deleteFlags, writeSettings); 15579 } 15580 } 15581 15582 // Delete application code and resources only for parent packages 15583 if (ps.parentPackageName == null) { 15584 if (deleteCodeAndResources && (outInfo != null)) { 15585 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15586 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15587 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15588 } 15589 } 15590 15591 return true; 15592 } 15593 15594 @Override 15595 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15596 int userId) { 15597 mContext.enforceCallingOrSelfPermission( 15598 android.Manifest.permission.DELETE_PACKAGES, null); 15599 synchronized (mPackages) { 15600 PackageSetting ps = mSettings.mPackages.get(packageName); 15601 if (ps == null) { 15602 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15603 return false; 15604 } 15605 if (!ps.getInstalled(userId)) { 15606 // Can't block uninstall for an app that is not installed or enabled. 15607 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15608 return false; 15609 } 15610 ps.setBlockUninstall(blockUninstall, userId); 15611 mSettings.writePackageRestrictionsLPr(userId); 15612 } 15613 return true; 15614 } 15615 15616 @Override 15617 public boolean getBlockUninstallForUser(String packageName, int userId) { 15618 synchronized (mPackages) { 15619 PackageSetting ps = mSettings.mPackages.get(packageName); 15620 if (ps == null) { 15621 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15622 return false; 15623 } 15624 return ps.getBlockUninstall(userId); 15625 } 15626 } 15627 15628 @Override 15629 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15630 int callingUid = Binder.getCallingUid(); 15631 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15632 throw new SecurityException( 15633 "setRequiredForSystemUser can only be run by the system or root"); 15634 } 15635 synchronized (mPackages) { 15636 PackageSetting ps = mSettings.mPackages.get(packageName); 15637 if (ps == null) { 15638 Log.w(TAG, "Package doesn't exist: " + packageName); 15639 return false; 15640 } 15641 if (systemUserApp) { 15642 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15643 } else { 15644 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15645 } 15646 mSettings.writeLPr(); 15647 } 15648 return true; 15649 } 15650 15651 /* 15652 * This method handles package deletion in general 15653 */ 15654 private boolean deletePackageLIF(String packageName, UserHandle user, 15655 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15656 PackageRemovedInfo outInfo, boolean writeSettings, 15657 PackageParser.Package replacingPackage) { 15658 if (packageName == null) { 15659 Slog.w(TAG, "Attempt to delete null packageName."); 15660 return false; 15661 } 15662 15663 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15664 15665 PackageSetting ps; 15666 15667 synchronized (mPackages) { 15668 ps = mSettings.mPackages.get(packageName); 15669 if (ps == null) { 15670 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15671 return false; 15672 } 15673 15674 if (ps.parentPackageName != null && (!isSystemApp(ps) 15675 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15676 if (DEBUG_REMOVE) { 15677 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15678 + ((user == null) ? UserHandle.USER_ALL : user)); 15679 } 15680 final int removedUserId = (user != null) ? user.getIdentifier() 15681 : UserHandle.USER_ALL; 15682 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15683 return false; 15684 } 15685 markPackageUninstalledForUserLPw(ps, user); 15686 scheduleWritePackageRestrictionsLocked(user); 15687 return true; 15688 } 15689 } 15690 15691 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15692 && user.getIdentifier() != UserHandle.USER_ALL)) { 15693 // The caller is asking that the package only be deleted for a single 15694 // user. To do this, we just mark its uninstalled state and delete 15695 // its data. If this is a system app, we only allow this to happen if 15696 // they have set the special DELETE_SYSTEM_APP which requests different 15697 // semantics than normal for uninstalling system apps. 15698 markPackageUninstalledForUserLPw(ps, user); 15699 15700 if (!isSystemApp(ps)) { 15701 // Do not uninstall the APK if an app should be cached 15702 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15703 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15704 // Other user still have this package installed, so all 15705 // we need to do is clear this user's data and save that 15706 // it is uninstalled. 15707 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15708 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15709 return false; 15710 } 15711 scheduleWritePackageRestrictionsLocked(user); 15712 return true; 15713 } else { 15714 // We need to set it back to 'installed' so the uninstall 15715 // broadcasts will be sent correctly. 15716 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15717 ps.setInstalled(true, user.getIdentifier()); 15718 } 15719 } else { 15720 // This is a system app, so we assume that the 15721 // other users still have this package installed, so all 15722 // we need to do is clear this user's data and save that 15723 // it is uninstalled. 15724 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15725 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15726 return false; 15727 } 15728 scheduleWritePackageRestrictionsLocked(user); 15729 return true; 15730 } 15731 } 15732 15733 // If we are deleting a composite package for all users, keep track 15734 // of result for each child. 15735 if (ps.childPackageNames != null && outInfo != null) { 15736 synchronized (mPackages) { 15737 final int childCount = ps.childPackageNames.size(); 15738 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15739 for (int i = 0; i < childCount; i++) { 15740 String childPackageName = ps.childPackageNames.get(i); 15741 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15742 childInfo.removedPackage = childPackageName; 15743 outInfo.removedChildPackages.put(childPackageName, childInfo); 15744 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15745 if (childPs != null) { 15746 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15747 } 15748 } 15749 } 15750 } 15751 15752 boolean ret = false; 15753 if (isSystemApp(ps)) { 15754 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15755 // When an updated system application is deleted we delete the existing resources 15756 // as well and fall back to existing code in system partition 15757 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15758 } else { 15759 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15760 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15761 outInfo, writeSettings, replacingPackage); 15762 } 15763 15764 // Take a note whether we deleted the package for all users 15765 if (outInfo != null) { 15766 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15767 if (outInfo.removedChildPackages != null) { 15768 synchronized (mPackages) { 15769 final int childCount = outInfo.removedChildPackages.size(); 15770 for (int i = 0; i < childCount; i++) { 15771 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15772 if (childInfo != null) { 15773 childInfo.removedForAllUsers = mPackages.get( 15774 childInfo.removedPackage) == null; 15775 } 15776 } 15777 } 15778 } 15779 // If we uninstalled an update to a system app there may be some 15780 // child packages that appeared as they are declared in the system 15781 // app but were not declared in the update. 15782 if (isSystemApp(ps)) { 15783 synchronized (mPackages) { 15784 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15785 final int childCount = (updatedPs.childPackageNames != null) 15786 ? updatedPs.childPackageNames.size() : 0; 15787 for (int i = 0; i < childCount; i++) { 15788 String childPackageName = updatedPs.childPackageNames.get(i); 15789 if (outInfo.removedChildPackages == null 15790 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15791 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15792 if (childPs == null) { 15793 continue; 15794 } 15795 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15796 installRes.name = childPackageName; 15797 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15798 installRes.pkg = mPackages.get(childPackageName); 15799 installRes.uid = childPs.pkg.applicationInfo.uid; 15800 if (outInfo.appearedChildPackages == null) { 15801 outInfo.appearedChildPackages = new ArrayMap<>(); 15802 } 15803 outInfo.appearedChildPackages.put(childPackageName, installRes); 15804 } 15805 } 15806 } 15807 } 15808 } 15809 15810 return ret; 15811 } 15812 15813 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15814 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15815 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15816 for (int nextUserId : userIds) { 15817 if (DEBUG_REMOVE) { 15818 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15819 } 15820 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15821 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15822 false /*hidden*/, false /*suspended*/, null, null, null, 15823 false /*blockUninstall*/, 15824 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15825 } 15826 } 15827 15828 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15829 PackageRemovedInfo outInfo) { 15830 final PackageParser.Package pkg; 15831 synchronized (mPackages) { 15832 pkg = mPackages.get(ps.name); 15833 } 15834 15835 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15836 : new int[] {userId}; 15837 for (int nextUserId : userIds) { 15838 if (DEBUG_REMOVE) { 15839 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15840 + nextUserId); 15841 } 15842 15843 destroyAppDataLIF(pkg, userId, 15844 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15845 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15846 schedulePackageCleaning(ps.name, nextUserId, false); 15847 synchronized (mPackages) { 15848 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15849 scheduleWritePackageRestrictionsLocked(nextUserId); 15850 } 15851 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15852 } 15853 } 15854 15855 if (outInfo != null) { 15856 outInfo.removedPackage = ps.name; 15857 outInfo.removedAppId = ps.appId; 15858 outInfo.removedUsers = userIds; 15859 } 15860 15861 return true; 15862 } 15863 15864 private final class ClearStorageConnection implements ServiceConnection { 15865 IMediaContainerService mContainerService; 15866 15867 @Override 15868 public void onServiceConnected(ComponentName name, IBinder service) { 15869 synchronized (this) { 15870 mContainerService = IMediaContainerService.Stub.asInterface(service); 15871 notifyAll(); 15872 } 15873 } 15874 15875 @Override 15876 public void onServiceDisconnected(ComponentName name) { 15877 } 15878 } 15879 15880 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15881 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15882 15883 final boolean mounted; 15884 if (Environment.isExternalStorageEmulated()) { 15885 mounted = true; 15886 } else { 15887 final String status = Environment.getExternalStorageState(); 15888 15889 mounted = status.equals(Environment.MEDIA_MOUNTED) 15890 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15891 } 15892 15893 if (!mounted) { 15894 return; 15895 } 15896 15897 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15898 int[] users; 15899 if (userId == UserHandle.USER_ALL) { 15900 users = sUserManager.getUserIds(); 15901 } else { 15902 users = new int[] { userId }; 15903 } 15904 final ClearStorageConnection conn = new ClearStorageConnection(); 15905 if (mContext.bindServiceAsUser( 15906 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15907 try { 15908 for (int curUser : users) { 15909 long timeout = SystemClock.uptimeMillis() + 5000; 15910 synchronized (conn) { 15911 long now = SystemClock.uptimeMillis(); 15912 while (conn.mContainerService == null && now < timeout) { 15913 try { 15914 conn.wait(timeout - now); 15915 } catch (InterruptedException e) { 15916 } 15917 } 15918 } 15919 if (conn.mContainerService == null) { 15920 return; 15921 } 15922 15923 final UserEnvironment userEnv = new UserEnvironment(curUser); 15924 clearDirectory(conn.mContainerService, 15925 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15926 if (allData) { 15927 clearDirectory(conn.mContainerService, 15928 userEnv.buildExternalStorageAppDataDirs(packageName)); 15929 clearDirectory(conn.mContainerService, 15930 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15931 } 15932 } 15933 } finally { 15934 mContext.unbindService(conn); 15935 } 15936 } 15937 } 15938 15939 @Override 15940 public void clearApplicationProfileData(String packageName) { 15941 enforceSystemOrRoot("Only the system can clear all profile data"); 15942 15943 final PackageParser.Package pkg; 15944 synchronized (mPackages) { 15945 pkg = mPackages.get(packageName); 15946 } 15947 15948 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 15949 synchronized (mInstallLock) { 15950 clearAppProfilesLIF(pkg); 15951 } 15952 } 15953 } 15954 15955 @Override 15956 public void clearApplicationUserData(final String packageName, 15957 final IPackageDataObserver observer, final int userId) { 15958 mContext.enforceCallingOrSelfPermission( 15959 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15960 15961 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15962 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15963 15964 final DevicePolicyManagerInternal dpmi = LocalServices 15965 .getService(DevicePolicyManagerInternal.class); 15966 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15967 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15968 } 15969 // Queue up an async operation since the package deletion may take a little while. 15970 mHandler.post(new Runnable() { 15971 public void run() { 15972 mHandler.removeCallbacks(this); 15973 final boolean succeeded; 15974 try (PackageFreezer freezer = freezePackage(packageName, 15975 "clearApplicationUserData")) { 15976 synchronized (mInstallLock) { 15977 succeeded = clearApplicationUserDataLIF(packageName, userId); 15978 } 15979 clearExternalStorageDataSync(packageName, userId, true); 15980 } 15981 if (succeeded) { 15982 // invoke DeviceStorageMonitor's update method to clear any notifications 15983 DeviceStorageMonitorInternal dsm = LocalServices 15984 .getService(DeviceStorageMonitorInternal.class); 15985 if (dsm != null) { 15986 dsm.checkMemory(); 15987 } 15988 } 15989 if(observer != null) { 15990 try { 15991 observer.onRemoveCompleted(packageName, succeeded); 15992 } catch (RemoteException e) { 15993 Log.i(TAG, "Observer no longer exists."); 15994 } 15995 } //end if observer 15996 } //end run 15997 }); 15998 } 15999 16000 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16001 if (packageName == null) { 16002 Slog.w(TAG, "Attempt to delete null packageName."); 16003 return false; 16004 } 16005 16006 // Try finding details about the requested package 16007 PackageParser.Package pkg; 16008 synchronized (mPackages) { 16009 pkg = mPackages.get(packageName); 16010 if (pkg == null) { 16011 final PackageSetting ps = mSettings.mPackages.get(packageName); 16012 if (ps != null) { 16013 pkg = ps.pkg; 16014 } 16015 } 16016 16017 if (pkg == null) { 16018 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16019 return false; 16020 } 16021 16022 PackageSetting ps = (PackageSetting) pkg.mExtras; 16023 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16024 } 16025 16026 clearAppDataLIF(pkg, userId, 16027 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16028 16029 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16030 removeKeystoreDataIfNeeded(userId, appId); 16031 16032 final UserManager um = mContext.getSystemService(UserManager.class); 16033 final int flags; 16034 if (um.isUserUnlocked(userId)) { 16035 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16036 } else if (um.isUserRunning(userId)) { 16037 flags = StorageManager.FLAG_STORAGE_DE; 16038 } else { 16039 flags = 0; 16040 } 16041 prepareAppDataContentsLIF(pkg, userId, flags); 16042 16043 return true; 16044 } 16045 16046 /** 16047 * Reverts user permission state changes (permissions and flags) in 16048 * all packages for a given user. 16049 * 16050 * @param userId The device user for which to do a reset. 16051 */ 16052 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16053 final int packageCount = mPackages.size(); 16054 for (int i = 0; i < packageCount; i++) { 16055 PackageParser.Package pkg = mPackages.valueAt(i); 16056 PackageSetting ps = (PackageSetting) pkg.mExtras; 16057 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16058 } 16059 } 16060 16061 /** 16062 * Reverts user permission state changes (permissions and flags). 16063 * 16064 * @param ps The package for which to reset. 16065 * @param userId The device user for which to do a reset. 16066 */ 16067 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16068 final PackageSetting ps, final int userId) { 16069 if (ps.pkg == null) { 16070 return; 16071 } 16072 16073 // These are flags that can change base on user actions. 16074 final int userSettableMask = FLAG_PERMISSION_USER_SET 16075 | FLAG_PERMISSION_USER_FIXED 16076 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16077 | FLAG_PERMISSION_REVIEW_REQUIRED; 16078 16079 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16080 | FLAG_PERMISSION_POLICY_FIXED; 16081 16082 boolean writeInstallPermissions = false; 16083 boolean writeRuntimePermissions = false; 16084 16085 final int permissionCount = ps.pkg.requestedPermissions.size(); 16086 for (int i = 0; i < permissionCount; i++) { 16087 String permission = ps.pkg.requestedPermissions.get(i); 16088 16089 BasePermission bp = mSettings.mPermissions.get(permission); 16090 if (bp == null) { 16091 continue; 16092 } 16093 16094 // If shared user we just reset the state to which only this app contributed. 16095 if (ps.sharedUser != null) { 16096 boolean used = false; 16097 final int packageCount = ps.sharedUser.packages.size(); 16098 for (int j = 0; j < packageCount; j++) { 16099 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16100 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16101 && pkg.pkg.requestedPermissions.contains(permission)) { 16102 used = true; 16103 break; 16104 } 16105 } 16106 if (used) { 16107 continue; 16108 } 16109 } 16110 16111 PermissionsState permissionsState = ps.getPermissionsState(); 16112 16113 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16114 16115 // Always clear the user settable flags. 16116 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16117 bp.name) != null; 16118 // If permission review is enabled and this is a legacy app, mark the 16119 // permission as requiring a review as this is the initial state. 16120 int flags = 0; 16121 if (Build.PERMISSIONS_REVIEW_REQUIRED 16122 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16123 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16124 } 16125 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16126 if (hasInstallState) { 16127 writeInstallPermissions = true; 16128 } else { 16129 writeRuntimePermissions = true; 16130 } 16131 } 16132 16133 // Below is only runtime permission handling. 16134 if (!bp.isRuntime()) { 16135 continue; 16136 } 16137 16138 // Never clobber system or policy. 16139 if ((oldFlags & policyOrSystemFlags) != 0) { 16140 continue; 16141 } 16142 16143 // If this permission was granted by default, make sure it is. 16144 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16145 if (permissionsState.grantRuntimePermission(bp, userId) 16146 != PERMISSION_OPERATION_FAILURE) { 16147 writeRuntimePermissions = true; 16148 } 16149 // If permission review is enabled the permissions for a legacy apps 16150 // are represented as constantly granted runtime ones, so don't revoke. 16151 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16152 // Otherwise, reset the permission. 16153 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16154 switch (revokeResult) { 16155 case PERMISSION_OPERATION_SUCCESS: 16156 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16157 writeRuntimePermissions = true; 16158 final int appId = ps.appId; 16159 mHandler.post(new Runnable() { 16160 @Override 16161 public void run() { 16162 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16163 } 16164 }); 16165 } break; 16166 } 16167 } 16168 } 16169 16170 // Synchronously write as we are taking permissions away. 16171 if (writeRuntimePermissions) { 16172 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16173 } 16174 16175 // Synchronously write as we are taking permissions away. 16176 if (writeInstallPermissions) { 16177 mSettings.writeLPr(); 16178 } 16179 } 16180 16181 /** 16182 * Remove entries from the keystore daemon. Will only remove it if the 16183 * {@code appId} is valid. 16184 */ 16185 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16186 if (appId < 0) { 16187 return; 16188 } 16189 16190 final KeyStore keyStore = KeyStore.getInstance(); 16191 if (keyStore != null) { 16192 if (userId == UserHandle.USER_ALL) { 16193 for (final int individual : sUserManager.getUserIds()) { 16194 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16195 } 16196 } else { 16197 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16198 } 16199 } else { 16200 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16201 } 16202 } 16203 16204 @Override 16205 public void deleteApplicationCacheFiles(final String packageName, 16206 final IPackageDataObserver observer) { 16207 final int userId = UserHandle.getCallingUserId(); 16208 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16209 } 16210 16211 @Override 16212 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16213 final IPackageDataObserver observer) { 16214 mContext.enforceCallingOrSelfPermission( 16215 android.Manifest.permission.DELETE_CACHE_FILES, null); 16216 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16217 /* requireFullPermission= */ true, /* checkShell= */ false, 16218 "delete application cache files"); 16219 16220 final PackageParser.Package pkg; 16221 synchronized (mPackages) { 16222 pkg = mPackages.get(packageName); 16223 } 16224 16225 // Queue up an async operation since the package deletion may take a little while. 16226 mHandler.post(new Runnable() { 16227 public void run() { 16228 synchronized (mInstallLock) { 16229 final int flags = StorageManager.FLAG_STORAGE_DE 16230 | StorageManager.FLAG_STORAGE_CE; 16231 // We're only clearing cache files, so we don't care if the 16232 // app is unfrozen and still able to run 16233 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16234 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16235 } 16236 clearExternalStorageDataSync(packageName, userId, false); 16237 if (observer != null) { 16238 try { 16239 observer.onRemoveCompleted(packageName, true); 16240 } catch (RemoteException e) { 16241 Log.i(TAG, "Observer no longer exists."); 16242 } 16243 } 16244 } 16245 }); 16246 } 16247 16248 @Override 16249 public void getPackageSizeInfo(final String packageName, int userHandle, 16250 final IPackageStatsObserver observer) { 16251 mContext.enforceCallingOrSelfPermission( 16252 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16253 if (packageName == null) { 16254 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16255 } 16256 16257 PackageStats stats = new PackageStats(packageName, userHandle); 16258 16259 /* 16260 * Queue up an async operation since the package measurement may take a 16261 * little while. 16262 */ 16263 Message msg = mHandler.obtainMessage(INIT_COPY); 16264 msg.obj = new MeasureParams(stats, observer); 16265 mHandler.sendMessage(msg); 16266 } 16267 16268 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16269 final PackageSetting ps; 16270 synchronized (mPackages) { 16271 ps = mSettings.mPackages.get(packageName); 16272 if (ps == null) { 16273 Slog.w(TAG, "Failed to find settings for " + packageName); 16274 return false; 16275 } 16276 } 16277 try { 16278 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16279 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16280 ps.getCeDataInode(userId), ps.codePathString, stats); 16281 } catch (InstallerException e) { 16282 Slog.w(TAG, String.valueOf(e)); 16283 return false; 16284 } 16285 16286 // For now, ignore code size of packages on system partition 16287 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16288 stats.codeSize = 0; 16289 } 16290 16291 return true; 16292 } 16293 16294 private int getUidTargetSdkVersionLockedLPr(int uid) { 16295 Object obj = mSettings.getUserIdLPr(uid); 16296 if (obj instanceof SharedUserSetting) { 16297 final SharedUserSetting sus = (SharedUserSetting) obj; 16298 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16299 final Iterator<PackageSetting> it = sus.packages.iterator(); 16300 while (it.hasNext()) { 16301 final PackageSetting ps = it.next(); 16302 if (ps.pkg != null) { 16303 int v = ps.pkg.applicationInfo.targetSdkVersion; 16304 if (v < vers) vers = v; 16305 } 16306 } 16307 return vers; 16308 } else if (obj instanceof PackageSetting) { 16309 final PackageSetting ps = (PackageSetting) obj; 16310 if (ps.pkg != null) { 16311 return ps.pkg.applicationInfo.targetSdkVersion; 16312 } 16313 } 16314 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16315 } 16316 16317 @Override 16318 public void addPreferredActivity(IntentFilter filter, int match, 16319 ComponentName[] set, ComponentName activity, int userId) { 16320 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16321 "Adding preferred"); 16322 } 16323 16324 private void addPreferredActivityInternal(IntentFilter filter, int match, 16325 ComponentName[] set, ComponentName activity, boolean always, int userId, 16326 String opname) { 16327 // writer 16328 int callingUid = Binder.getCallingUid(); 16329 enforceCrossUserPermission(callingUid, userId, 16330 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16331 if (filter.countActions() == 0) { 16332 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16333 return; 16334 } 16335 synchronized (mPackages) { 16336 if (mContext.checkCallingOrSelfPermission( 16337 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16338 != PackageManager.PERMISSION_GRANTED) { 16339 if (getUidTargetSdkVersionLockedLPr(callingUid) 16340 < Build.VERSION_CODES.FROYO) { 16341 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16342 + callingUid); 16343 return; 16344 } 16345 mContext.enforceCallingOrSelfPermission( 16346 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16347 } 16348 16349 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16350 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16351 + userId + ":"); 16352 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16353 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16354 scheduleWritePackageRestrictionsLocked(userId); 16355 } 16356 } 16357 16358 @Override 16359 public void replacePreferredActivity(IntentFilter filter, int match, 16360 ComponentName[] set, ComponentName activity, int userId) { 16361 if (filter.countActions() != 1) { 16362 throw new IllegalArgumentException( 16363 "replacePreferredActivity expects filter to have only 1 action."); 16364 } 16365 if (filter.countDataAuthorities() != 0 16366 || filter.countDataPaths() != 0 16367 || filter.countDataSchemes() > 1 16368 || filter.countDataTypes() != 0) { 16369 throw new IllegalArgumentException( 16370 "replacePreferredActivity expects filter to have no data authorities, " + 16371 "paths, or types; and at most one scheme."); 16372 } 16373 16374 final int callingUid = Binder.getCallingUid(); 16375 enforceCrossUserPermission(callingUid, userId, 16376 true /* requireFullPermission */, false /* checkShell */, 16377 "replace preferred activity"); 16378 synchronized (mPackages) { 16379 if (mContext.checkCallingOrSelfPermission( 16380 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16381 != PackageManager.PERMISSION_GRANTED) { 16382 if (getUidTargetSdkVersionLockedLPr(callingUid) 16383 < Build.VERSION_CODES.FROYO) { 16384 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16385 + Binder.getCallingUid()); 16386 return; 16387 } 16388 mContext.enforceCallingOrSelfPermission( 16389 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16390 } 16391 16392 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16393 if (pir != null) { 16394 // Get all of the existing entries that exactly match this filter. 16395 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16396 if (existing != null && existing.size() == 1) { 16397 PreferredActivity cur = existing.get(0); 16398 if (DEBUG_PREFERRED) { 16399 Slog.i(TAG, "Checking replace of preferred:"); 16400 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16401 if (!cur.mPref.mAlways) { 16402 Slog.i(TAG, " -- CUR; not mAlways!"); 16403 } else { 16404 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16405 Slog.i(TAG, " -- CUR: mSet=" 16406 + Arrays.toString(cur.mPref.mSetComponents)); 16407 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16408 Slog.i(TAG, " -- NEW: mMatch=" 16409 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16410 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16411 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16412 } 16413 } 16414 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16415 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16416 && cur.mPref.sameSet(set)) { 16417 // Setting the preferred activity to what it happens to be already 16418 if (DEBUG_PREFERRED) { 16419 Slog.i(TAG, "Replacing with same preferred activity " 16420 + cur.mPref.mShortComponent + " for user " 16421 + userId + ":"); 16422 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16423 } 16424 return; 16425 } 16426 } 16427 16428 if (existing != null) { 16429 if (DEBUG_PREFERRED) { 16430 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16431 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16432 } 16433 for (int i = 0; i < existing.size(); i++) { 16434 PreferredActivity pa = existing.get(i); 16435 if (DEBUG_PREFERRED) { 16436 Slog.i(TAG, "Removing existing preferred activity " 16437 + pa.mPref.mComponent + ":"); 16438 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16439 } 16440 pir.removeFilter(pa); 16441 } 16442 } 16443 } 16444 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16445 "Replacing preferred"); 16446 } 16447 } 16448 16449 @Override 16450 public void clearPackagePreferredActivities(String packageName) { 16451 final int uid = Binder.getCallingUid(); 16452 // writer 16453 synchronized (mPackages) { 16454 PackageParser.Package pkg = mPackages.get(packageName); 16455 if (pkg == null || pkg.applicationInfo.uid != uid) { 16456 if (mContext.checkCallingOrSelfPermission( 16457 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16458 != PackageManager.PERMISSION_GRANTED) { 16459 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16460 < Build.VERSION_CODES.FROYO) { 16461 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16462 + Binder.getCallingUid()); 16463 return; 16464 } 16465 mContext.enforceCallingOrSelfPermission( 16466 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16467 } 16468 } 16469 16470 int user = UserHandle.getCallingUserId(); 16471 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16472 scheduleWritePackageRestrictionsLocked(user); 16473 } 16474 } 16475 } 16476 16477 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16478 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16479 ArrayList<PreferredActivity> removed = null; 16480 boolean changed = false; 16481 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16482 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16483 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16484 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16485 continue; 16486 } 16487 Iterator<PreferredActivity> it = pir.filterIterator(); 16488 while (it.hasNext()) { 16489 PreferredActivity pa = it.next(); 16490 // Mark entry for removal only if it matches the package name 16491 // and the entry is of type "always". 16492 if (packageName == null || 16493 (pa.mPref.mComponent.getPackageName().equals(packageName) 16494 && pa.mPref.mAlways)) { 16495 if (removed == null) { 16496 removed = new ArrayList<PreferredActivity>(); 16497 } 16498 removed.add(pa); 16499 } 16500 } 16501 if (removed != null) { 16502 for (int j=0; j<removed.size(); j++) { 16503 PreferredActivity pa = removed.get(j); 16504 pir.removeFilter(pa); 16505 } 16506 changed = true; 16507 } 16508 } 16509 return changed; 16510 } 16511 16512 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16513 private void clearIntentFilterVerificationsLPw(int userId) { 16514 final int packageCount = mPackages.size(); 16515 for (int i = 0; i < packageCount; i++) { 16516 PackageParser.Package pkg = mPackages.valueAt(i); 16517 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16518 } 16519 } 16520 16521 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16522 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16523 if (userId == UserHandle.USER_ALL) { 16524 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16525 sUserManager.getUserIds())) { 16526 for (int oneUserId : sUserManager.getUserIds()) { 16527 scheduleWritePackageRestrictionsLocked(oneUserId); 16528 } 16529 } 16530 } else { 16531 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16532 scheduleWritePackageRestrictionsLocked(userId); 16533 } 16534 } 16535 } 16536 16537 void clearDefaultBrowserIfNeeded(String packageName) { 16538 for (int oneUserId : sUserManager.getUserIds()) { 16539 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16540 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16541 if (packageName.equals(defaultBrowserPackageName)) { 16542 setDefaultBrowserPackageName(null, oneUserId); 16543 } 16544 } 16545 } 16546 16547 @Override 16548 public void resetApplicationPreferences(int userId) { 16549 mContext.enforceCallingOrSelfPermission( 16550 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16551 // writer 16552 synchronized (mPackages) { 16553 final long identity = Binder.clearCallingIdentity(); 16554 try { 16555 clearPackagePreferredActivitiesLPw(null, userId); 16556 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16557 // TODO: We have to reset the default SMS and Phone. This requires 16558 // significant refactoring to keep all default apps in the package 16559 // manager (cleaner but more work) or have the services provide 16560 // callbacks to the package manager to request a default app reset. 16561 applyFactoryDefaultBrowserLPw(userId); 16562 clearIntentFilterVerificationsLPw(userId); 16563 primeDomainVerificationsLPw(userId); 16564 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16565 scheduleWritePackageRestrictionsLocked(userId); 16566 } finally { 16567 Binder.restoreCallingIdentity(identity); 16568 } 16569 } 16570 } 16571 16572 @Override 16573 public int getPreferredActivities(List<IntentFilter> outFilters, 16574 List<ComponentName> outActivities, String packageName) { 16575 16576 int num = 0; 16577 final int userId = UserHandle.getCallingUserId(); 16578 // reader 16579 synchronized (mPackages) { 16580 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16581 if (pir != null) { 16582 final Iterator<PreferredActivity> it = pir.filterIterator(); 16583 while (it.hasNext()) { 16584 final PreferredActivity pa = it.next(); 16585 if (packageName == null 16586 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16587 && pa.mPref.mAlways)) { 16588 if (outFilters != null) { 16589 outFilters.add(new IntentFilter(pa)); 16590 } 16591 if (outActivities != null) { 16592 outActivities.add(pa.mPref.mComponent); 16593 } 16594 } 16595 } 16596 } 16597 } 16598 16599 return num; 16600 } 16601 16602 @Override 16603 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16604 int userId) { 16605 int callingUid = Binder.getCallingUid(); 16606 if (callingUid != Process.SYSTEM_UID) { 16607 throw new SecurityException( 16608 "addPersistentPreferredActivity can only be run by the system"); 16609 } 16610 if (filter.countActions() == 0) { 16611 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16612 return; 16613 } 16614 synchronized (mPackages) { 16615 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16616 ":"); 16617 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16618 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16619 new PersistentPreferredActivity(filter, activity)); 16620 scheduleWritePackageRestrictionsLocked(userId); 16621 } 16622 } 16623 16624 @Override 16625 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16626 int callingUid = Binder.getCallingUid(); 16627 if (callingUid != Process.SYSTEM_UID) { 16628 throw new SecurityException( 16629 "clearPackagePersistentPreferredActivities can only be run by the system"); 16630 } 16631 ArrayList<PersistentPreferredActivity> removed = null; 16632 boolean changed = false; 16633 synchronized (mPackages) { 16634 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16635 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16636 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16637 .valueAt(i); 16638 if (userId != thisUserId) { 16639 continue; 16640 } 16641 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16642 while (it.hasNext()) { 16643 PersistentPreferredActivity ppa = it.next(); 16644 // Mark entry for removal only if it matches the package name. 16645 if (ppa.mComponent.getPackageName().equals(packageName)) { 16646 if (removed == null) { 16647 removed = new ArrayList<PersistentPreferredActivity>(); 16648 } 16649 removed.add(ppa); 16650 } 16651 } 16652 if (removed != null) { 16653 for (int j=0; j<removed.size(); j++) { 16654 PersistentPreferredActivity ppa = removed.get(j); 16655 ppir.removeFilter(ppa); 16656 } 16657 changed = true; 16658 } 16659 } 16660 16661 if (changed) { 16662 scheduleWritePackageRestrictionsLocked(userId); 16663 } 16664 } 16665 } 16666 16667 /** 16668 * Common machinery for picking apart a restored XML blob and passing 16669 * it to a caller-supplied functor to be applied to the running system. 16670 */ 16671 private void restoreFromXml(XmlPullParser parser, int userId, 16672 String expectedStartTag, BlobXmlRestorer functor) 16673 throws IOException, XmlPullParserException { 16674 int type; 16675 while ((type = parser.next()) != XmlPullParser.START_TAG 16676 && type != XmlPullParser.END_DOCUMENT) { 16677 } 16678 if (type != XmlPullParser.START_TAG) { 16679 // oops didn't find a start tag?! 16680 if (DEBUG_BACKUP) { 16681 Slog.e(TAG, "Didn't find start tag during restore"); 16682 } 16683 return; 16684 } 16685Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16686 // this is supposed to be TAG_PREFERRED_BACKUP 16687 if (!expectedStartTag.equals(parser.getName())) { 16688 if (DEBUG_BACKUP) { 16689 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16690 } 16691 return; 16692 } 16693 16694 // skip interfering stuff, then we're aligned with the backing implementation 16695 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16696Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16697 functor.apply(parser, userId); 16698 } 16699 16700 private interface BlobXmlRestorer { 16701 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16702 } 16703 16704 /** 16705 * Non-Binder method, support for the backup/restore mechanism: write the 16706 * full set of preferred activities in its canonical XML format. Returns the 16707 * XML output as a byte array, or null if there is none. 16708 */ 16709 @Override 16710 public byte[] getPreferredActivityBackup(int userId) { 16711 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16712 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16713 } 16714 16715 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16716 try { 16717 final XmlSerializer serializer = new FastXmlSerializer(); 16718 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16719 serializer.startDocument(null, true); 16720 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16721 16722 synchronized (mPackages) { 16723 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16724 } 16725 16726 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16727 serializer.endDocument(); 16728 serializer.flush(); 16729 } catch (Exception e) { 16730 if (DEBUG_BACKUP) { 16731 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16732 } 16733 return null; 16734 } 16735 16736 return dataStream.toByteArray(); 16737 } 16738 16739 @Override 16740 public void restorePreferredActivities(byte[] backup, int userId) { 16741 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16742 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16743 } 16744 16745 try { 16746 final XmlPullParser parser = Xml.newPullParser(); 16747 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16748 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16749 new BlobXmlRestorer() { 16750 @Override 16751 public void apply(XmlPullParser parser, int userId) 16752 throws XmlPullParserException, IOException { 16753 synchronized (mPackages) { 16754 mSettings.readPreferredActivitiesLPw(parser, userId); 16755 } 16756 } 16757 } ); 16758 } catch (Exception e) { 16759 if (DEBUG_BACKUP) { 16760 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16761 } 16762 } 16763 } 16764 16765 /** 16766 * Non-Binder method, support for the backup/restore mechanism: write the 16767 * default browser (etc) settings in its canonical XML format. Returns the default 16768 * browser XML representation as a byte array, or null if there is none. 16769 */ 16770 @Override 16771 public byte[] getDefaultAppsBackup(int userId) { 16772 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16773 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16774 } 16775 16776 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16777 try { 16778 final XmlSerializer serializer = new FastXmlSerializer(); 16779 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16780 serializer.startDocument(null, true); 16781 serializer.startTag(null, TAG_DEFAULT_APPS); 16782 16783 synchronized (mPackages) { 16784 mSettings.writeDefaultAppsLPr(serializer, userId); 16785 } 16786 16787 serializer.endTag(null, TAG_DEFAULT_APPS); 16788 serializer.endDocument(); 16789 serializer.flush(); 16790 } catch (Exception e) { 16791 if (DEBUG_BACKUP) { 16792 Slog.e(TAG, "Unable to write default apps for backup", e); 16793 } 16794 return null; 16795 } 16796 16797 return dataStream.toByteArray(); 16798 } 16799 16800 @Override 16801 public void restoreDefaultApps(byte[] backup, int userId) { 16802 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16803 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16804 } 16805 16806 try { 16807 final XmlPullParser parser = Xml.newPullParser(); 16808 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16809 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16810 new BlobXmlRestorer() { 16811 @Override 16812 public void apply(XmlPullParser parser, int userId) 16813 throws XmlPullParserException, IOException { 16814 synchronized (mPackages) { 16815 mSettings.readDefaultAppsLPw(parser, userId); 16816 } 16817 } 16818 } ); 16819 } catch (Exception e) { 16820 if (DEBUG_BACKUP) { 16821 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16822 } 16823 } 16824 } 16825 16826 @Override 16827 public byte[] getIntentFilterVerificationBackup(int userId) { 16828 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16829 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16830 } 16831 16832 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16833 try { 16834 final XmlSerializer serializer = new FastXmlSerializer(); 16835 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16836 serializer.startDocument(null, true); 16837 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16838 16839 synchronized (mPackages) { 16840 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16841 } 16842 16843 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16844 serializer.endDocument(); 16845 serializer.flush(); 16846 } catch (Exception e) { 16847 if (DEBUG_BACKUP) { 16848 Slog.e(TAG, "Unable to write default apps for backup", e); 16849 } 16850 return null; 16851 } 16852 16853 return dataStream.toByteArray(); 16854 } 16855 16856 @Override 16857 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16858 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16859 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16860 } 16861 16862 try { 16863 final XmlPullParser parser = Xml.newPullParser(); 16864 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16865 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16866 new BlobXmlRestorer() { 16867 @Override 16868 public void apply(XmlPullParser parser, int userId) 16869 throws XmlPullParserException, IOException { 16870 synchronized (mPackages) { 16871 mSettings.readAllDomainVerificationsLPr(parser, userId); 16872 mSettings.writeLPr(); 16873 } 16874 } 16875 } ); 16876 } catch (Exception e) { 16877 if (DEBUG_BACKUP) { 16878 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16879 } 16880 } 16881 } 16882 16883 @Override 16884 public byte[] getPermissionGrantBackup(int userId) { 16885 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16886 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16887 } 16888 16889 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16890 try { 16891 final XmlSerializer serializer = new FastXmlSerializer(); 16892 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16893 serializer.startDocument(null, true); 16894 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16895 16896 synchronized (mPackages) { 16897 serializeRuntimePermissionGrantsLPr(serializer, userId); 16898 } 16899 16900 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16901 serializer.endDocument(); 16902 serializer.flush(); 16903 } catch (Exception e) { 16904 if (DEBUG_BACKUP) { 16905 Slog.e(TAG, "Unable to write default apps for backup", e); 16906 } 16907 return null; 16908 } 16909 16910 return dataStream.toByteArray(); 16911 } 16912 16913 @Override 16914 public void restorePermissionGrants(byte[] backup, int userId) { 16915 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16916 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16917 } 16918 16919 try { 16920 final XmlPullParser parser = Xml.newPullParser(); 16921 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16922 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16923 new BlobXmlRestorer() { 16924 @Override 16925 public void apply(XmlPullParser parser, int userId) 16926 throws XmlPullParserException, IOException { 16927 synchronized (mPackages) { 16928 processRestoredPermissionGrantsLPr(parser, userId); 16929 } 16930 } 16931 } ); 16932 } catch (Exception e) { 16933 if (DEBUG_BACKUP) { 16934 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16935 } 16936 } 16937 } 16938 16939 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16940 throws IOException { 16941 serializer.startTag(null, TAG_ALL_GRANTS); 16942 16943 final int N = mSettings.mPackages.size(); 16944 for (int i = 0; i < N; i++) { 16945 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16946 boolean pkgGrantsKnown = false; 16947 16948 PermissionsState packagePerms = ps.getPermissionsState(); 16949 16950 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16951 final int grantFlags = state.getFlags(); 16952 // only look at grants that are not system/policy fixed 16953 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16954 final boolean isGranted = state.isGranted(); 16955 // And only back up the user-twiddled state bits 16956 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16957 final String packageName = mSettings.mPackages.keyAt(i); 16958 if (!pkgGrantsKnown) { 16959 serializer.startTag(null, TAG_GRANT); 16960 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16961 pkgGrantsKnown = true; 16962 } 16963 16964 final boolean userSet = 16965 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16966 final boolean userFixed = 16967 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16968 final boolean revoke = 16969 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16970 16971 serializer.startTag(null, TAG_PERMISSION); 16972 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16973 if (isGranted) { 16974 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16975 } 16976 if (userSet) { 16977 serializer.attribute(null, ATTR_USER_SET, "true"); 16978 } 16979 if (userFixed) { 16980 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16981 } 16982 if (revoke) { 16983 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16984 } 16985 serializer.endTag(null, TAG_PERMISSION); 16986 } 16987 } 16988 } 16989 16990 if (pkgGrantsKnown) { 16991 serializer.endTag(null, TAG_GRANT); 16992 } 16993 } 16994 16995 serializer.endTag(null, TAG_ALL_GRANTS); 16996 } 16997 16998 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16999 throws XmlPullParserException, IOException { 17000 String pkgName = null; 17001 int outerDepth = parser.getDepth(); 17002 int type; 17003 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17004 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17005 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17006 continue; 17007 } 17008 17009 final String tagName = parser.getName(); 17010 if (tagName.equals(TAG_GRANT)) { 17011 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17012 if (DEBUG_BACKUP) { 17013 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17014 } 17015 } else if (tagName.equals(TAG_PERMISSION)) { 17016 17017 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17018 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17019 17020 int newFlagSet = 0; 17021 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17022 newFlagSet |= FLAG_PERMISSION_USER_SET; 17023 } 17024 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17025 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17026 } 17027 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17028 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17029 } 17030 if (DEBUG_BACKUP) { 17031 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17032 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17033 } 17034 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17035 if (ps != null) { 17036 // Already installed so we apply the grant immediately 17037 if (DEBUG_BACKUP) { 17038 Slog.v(TAG, " + already installed; applying"); 17039 } 17040 PermissionsState perms = ps.getPermissionsState(); 17041 BasePermission bp = mSettings.mPermissions.get(permName); 17042 if (bp != null) { 17043 if (isGranted) { 17044 perms.grantRuntimePermission(bp, userId); 17045 } 17046 if (newFlagSet != 0) { 17047 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17048 } 17049 } 17050 } else { 17051 // Need to wait for post-restore install to apply the grant 17052 if (DEBUG_BACKUP) { 17053 Slog.v(TAG, " - not yet installed; saving for later"); 17054 } 17055 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17056 isGranted, newFlagSet, userId); 17057 } 17058 } else { 17059 PackageManagerService.reportSettingsProblem(Log.WARN, 17060 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17061 XmlUtils.skipCurrentTag(parser); 17062 } 17063 } 17064 17065 scheduleWriteSettingsLocked(); 17066 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17067 } 17068 17069 @Override 17070 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17071 int sourceUserId, int targetUserId, int flags) { 17072 mContext.enforceCallingOrSelfPermission( 17073 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17074 int callingUid = Binder.getCallingUid(); 17075 enforceOwnerRights(ownerPackage, callingUid); 17076 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17077 if (intentFilter.countActions() == 0) { 17078 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17079 return; 17080 } 17081 synchronized (mPackages) { 17082 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17083 ownerPackage, targetUserId, flags); 17084 CrossProfileIntentResolver resolver = 17085 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17086 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17087 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17088 if (existing != null) { 17089 int size = existing.size(); 17090 for (int i = 0; i < size; i++) { 17091 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17092 return; 17093 } 17094 } 17095 } 17096 resolver.addFilter(newFilter); 17097 scheduleWritePackageRestrictionsLocked(sourceUserId); 17098 } 17099 } 17100 17101 @Override 17102 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17103 mContext.enforceCallingOrSelfPermission( 17104 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17105 int callingUid = Binder.getCallingUid(); 17106 enforceOwnerRights(ownerPackage, callingUid); 17107 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17108 synchronized (mPackages) { 17109 CrossProfileIntentResolver resolver = 17110 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17111 ArraySet<CrossProfileIntentFilter> set = 17112 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17113 for (CrossProfileIntentFilter filter : set) { 17114 if (filter.getOwnerPackage().equals(ownerPackage)) { 17115 resolver.removeFilter(filter); 17116 } 17117 } 17118 scheduleWritePackageRestrictionsLocked(sourceUserId); 17119 } 17120 } 17121 17122 // Enforcing that callingUid is owning pkg on userId 17123 private void enforceOwnerRights(String pkg, int callingUid) { 17124 // The system owns everything. 17125 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17126 return; 17127 } 17128 int callingUserId = UserHandle.getUserId(callingUid); 17129 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17130 if (pi == null) { 17131 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17132 + callingUserId); 17133 } 17134 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17135 throw new SecurityException("Calling uid " + callingUid 17136 + " does not own package " + pkg); 17137 } 17138 } 17139 17140 @Override 17141 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17142 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17143 } 17144 17145 private Intent getHomeIntent() { 17146 Intent intent = new Intent(Intent.ACTION_MAIN); 17147 intent.addCategory(Intent.CATEGORY_HOME); 17148 return intent; 17149 } 17150 17151 private IntentFilter getHomeFilter() { 17152 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17153 filter.addCategory(Intent.CATEGORY_HOME); 17154 filter.addCategory(Intent.CATEGORY_DEFAULT); 17155 return filter; 17156 } 17157 17158 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17159 int userId) { 17160 Intent intent = getHomeIntent(); 17161 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17162 PackageManager.GET_META_DATA, userId); 17163 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17164 true, false, false, userId); 17165 17166 allHomeCandidates.clear(); 17167 if (list != null) { 17168 for (ResolveInfo ri : list) { 17169 allHomeCandidates.add(ri); 17170 } 17171 } 17172 return (preferred == null || preferred.activityInfo == null) 17173 ? null 17174 : new ComponentName(preferred.activityInfo.packageName, 17175 preferred.activityInfo.name); 17176 } 17177 17178 @Override 17179 public void setHomeActivity(ComponentName comp, int userId) { 17180 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17181 getHomeActivitiesAsUser(homeActivities, userId); 17182 17183 boolean found = false; 17184 17185 final int size = homeActivities.size(); 17186 final ComponentName[] set = new ComponentName[size]; 17187 for (int i = 0; i < size; i++) { 17188 final ResolveInfo candidate = homeActivities.get(i); 17189 final ActivityInfo info = candidate.activityInfo; 17190 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17191 set[i] = activityName; 17192 if (!found && activityName.equals(comp)) { 17193 found = true; 17194 } 17195 } 17196 if (!found) { 17197 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17198 + userId); 17199 } 17200 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17201 set, comp, userId); 17202 } 17203 17204 private @Nullable String getSetupWizardPackageName() { 17205 final Intent intent = new Intent(Intent.ACTION_MAIN); 17206 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17207 17208 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17209 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17210 | MATCH_DISABLED_COMPONENTS, 17211 UserHandle.myUserId()); 17212 if (matches.size() == 1) { 17213 return matches.get(0).getComponentInfo().packageName; 17214 } else { 17215 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17216 + ": matches=" + matches); 17217 return null; 17218 } 17219 } 17220 17221 @Override 17222 public void setApplicationEnabledSetting(String appPackageName, 17223 int newState, int flags, int userId, String callingPackage) { 17224 if (!sUserManager.exists(userId)) return; 17225 if (callingPackage == null) { 17226 callingPackage = Integer.toString(Binder.getCallingUid()); 17227 } 17228 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17229 } 17230 17231 @Override 17232 public void setComponentEnabledSetting(ComponentName componentName, 17233 int newState, int flags, int userId) { 17234 if (!sUserManager.exists(userId)) return; 17235 setEnabledSetting(componentName.getPackageName(), 17236 componentName.getClassName(), newState, flags, userId, null); 17237 } 17238 17239 private void setEnabledSetting(final String packageName, String className, int newState, 17240 final int flags, int userId, String callingPackage) { 17241 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17242 || newState == COMPONENT_ENABLED_STATE_ENABLED 17243 || newState == COMPONENT_ENABLED_STATE_DISABLED 17244 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17245 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17246 throw new IllegalArgumentException("Invalid new component state: " 17247 + newState); 17248 } 17249 PackageSetting pkgSetting; 17250 final int uid = Binder.getCallingUid(); 17251 final int permission; 17252 if (uid == Process.SYSTEM_UID) { 17253 permission = PackageManager.PERMISSION_GRANTED; 17254 } else { 17255 permission = mContext.checkCallingOrSelfPermission( 17256 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17257 } 17258 enforceCrossUserPermission(uid, userId, 17259 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17260 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17261 boolean sendNow = false; 17262 boolean isApp = (className == null); 17263 String componentName = isApp ? packageName : className; 17264 int packageUid = -1; 17265 ArrayList<String> components; 17266 17267 // writer 17268 synchronized (mPackages) { 17269 pkgSetting = mSettings.mPackages.get(packageName); 17270 if (pkgSetting == null) { 17271 if (className == null) { 17272 throw new IllegalArgumentException("Unknown package: " + packageName); 17273 } 17274 throw new IllegalArgumentException( 17275 "Unknown component: " + packageName + "/" + className); 17276 } 17277 // Allow root and verify that userId is not being specified by a different user 17278 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17279 throw new SecurityException( 17280 "Permission Denial: attempt to change component state from pid=" 17281 + Binder.getCallingPid() 17282 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17283 } 17284 if (className == null) { 17285 // We're dealing with an application/package level state change 17286 if (pkgSetting.getEnabled(userId) == newState) { 17287 // Nothing to do 17288 return; 17289 } 17290 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17291 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17292 // Don't care about who enables an app. 17293 callingPackage = null; 17294 } 17295 pkgSetting.setEnabled(newState, userId, callingPackage); 17296 // pkgSetting.pkg.mSetEnabled = newState; 17297 } else { 17298 // We're dealing with a component level state change 17299 // First, verify that this is a valid class name. 17300 PackageParser.Package pkg = pkgSetting.pkg; 17301 if (pkg == null || !pkg.hasComponentClassName(className)) { 17302 if (pkg != null && 17303 pkg.applicationInfo.targetSdkVersion >= 17304 Build.VERSION_CODES.JELLY_BEAN) { 17305 throw new IllegalArgumentException("Component class " + className 17306 + " does not exist in " + packageName); 17307 } else { 17308 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17309 + className + " does not exist in " + packageName); 17310 } 17311 } 17312 switch (newState) { 17313 case COMPONENT_ENABLED_STATE_ENABLED: 17314 if (!pkgSetting.enableComponentLPw(className, userId)) { 17315 return; 17316 } 17317 break; 17318 case COMPONENT_ENABLED_STATE_DISABLED: 17319 if (!pkgSetting.disableComponentLPw(className, userId)) { 17320 return; 17321 } 17322 break; 17323 case COMPONENT_ENABLED_STATE_DEFAULT: 17324 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17325 return; 17326 } 17327 break; 17328 default: 17329 Slog.e(TAG, "Invalid new component state: " + newState); 17330 return; 17331 } 17332 } 17333 scheduleWritePackageRestrictionsLocked(userId); 17334 components = mPendingBroadcasts.get(userId, packageName); 17335 final boolean newPackage = components == null; 17336 if (newPackage) { 17337 components = new ArrayList<String>(); 17338 } 17339 if (!components.contains(componentName)) { 17340 components.add(componentName); 17341 } 17342 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17343 sendNow = true; 17344 // Purge entry from pending broadcast list if another one exists already 17345 // since we are sending one right away. 17346 mPendingBroadcasts.remove(userId, packageName); 17347 } else { 17348 if (newPackage) { 17349 mPendingBroadcasts.put(userId, packageName, components); 17350 } 17351 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17352 // Schedule a message 17353 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17354 } 17355 } 17356 } 17357 17358 long callingId = Binder.clearCallingIdentity(); 17359 try { 17360 if (sendNow) { 17361 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17362 sendPackageChangedBroadcast(packageName, 17363 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17364 } 17365 } finally { 17366 Binder.restoreCallingIdentity(callingId); 17367 } 17368 } 17369 17370 @Override 17371 public void flushPackageRestrictionsAsUser(int userId) { 17372 if (!sUserManager.exists(userId)) { 17373 return; 17374 } 17375 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17376 false /* checkShell */, "flushPackageRestrictions"); 17377 synchronized (mPackages) { 17378 mSettings.writePackageRestrictionsLPr(userId); 17379 mDirtyUsers.remove(userId); 17380 if (mDirtyUsers.isEmpty()) { 17381 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17382 } 17383 } 17384 } 17385 17386 private void sendPackageChangedBroadcast(String packageName, 17387 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17388 if (DEBUG_INSTALL) 17389 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17390 + componentNames); 17391 Bundle extras = new Bundle(4); 17392 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17393 String nameList[] = new String[componentNames.size()]; 17394 componentNames.toArray(nameList); 17395 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17396 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17397 extras.putInt(Intent.EXTRA_UID, packageUid); 17398 // If this is not reporting a change of the overall package, then only send it 17399 // to registered receivers. We don't want to launch a swath of apps for every 17400 // little component state change. 17401 final int flags = !componentNames.contains(packageName) 17402 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17403 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17404 new int[] {UserHandle.getUserId(packageUid)}); 17405 } 17406 17407 @Override 17408 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17409 if (!sUserManager.exists(userId)) return; 17410 final int uid = Binder.getCallingUid(); 17411 final int permission = mContext.checkCallingOrSelfPermission( 17412 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17413 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17414 enforceCrossUserPermission(uid, userId, 17415 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17416 // writer 17417 synchronized (mPackages) { 17418 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17419 allowedByPermission, uid, userId)) { 17420 scheduleWritePackageRestrictionsLocked(userId); 17421 } 17422 } 17423 } 17424 17425 @Override 17426 public String getInstallerPackageName(String packageName) { 17427 // reader 17428 synchronized (mPackages) { 17429 return mSettings.getInstallerPackageNameLPr(packageName); 17430 } 17431 } 17432 17433 @Override 17434 public int getApplicationEnabledSetting(String packageName, int userId) { 17435 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17436 int uid = Binder.getCallingUid(); 17437 enforceCrossUserPermission(uid, userId, 17438 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17439 // reader 17440 synchronized (mPackages) { 17441 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17442 } 17443 } 17444 17445 @Override 17446 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17447 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17448 int uid = Binder.getCallingUid(); 17449 enforceCrossUserPermission(uid, userId, 17450 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17451 // reader 17452 synchronized (mPackages) { 17453 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17454 } 17455 } 17456 17457 @Override 17458 public void enterSafeMode() { 17459 enforceSystemOrRoot("Only the system can request entering safe mode"); 17460 17461 if (!mSystemReady) { 17462 mSafeMode = true; 17463 } 17464 } 17465 17466 @Override 17467 public void systemReady() { 17468 mSystemReady = true; 17469 17470 // Read the compatibilty setting when the system is ready. 17471 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17472 mContext.getContentResolver(), 17473 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17474 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17475 if (DEBUG_SETTINGS) { 17476 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17477 } 17478 17479 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17480 17481 synchronized (mPackages) { 17482 // Verify that all of the preferred activity components actually 17483 // exist. It is possible for applications to be updated and at 17484 // that point remove a previously declared activity component that 17485 // had been set as a preferred activity. We try to clean this up 17486 // the next time we encounter that preferred activity, but it is 17487 // possible for the user flow to never be able to return to that 17488 // situation so here we do a sanity check to make sure we haven't 17489 // left any junk around. 17490 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17491 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17492 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17493 removed.clear(); 17494 for (PreferredActivity pa : pir.filterSet()) { 17495 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17496 removed.add(pa); 17497 } 17498 } 17499 if (removed.size() > 0) { 17500 for (int r=0; r<removed.size(); r++) { 17501 PreferredActivity pa = removed.get(r); 17502 Slog.w(TAG, "Removing dangling preferred activity: " 17503 + pa.mPref.mComponent); 17504 pir.removeFilter(pa); 17505 } 17506 mSettings.writePackageRestrictionsLPr( 17507 mSettings.mPreferredActivities.keyAt(i)); 17508 } 17509 } 17510 17511 for (int userId : UserManagerService.getInstance().getUserIds()) { 17512 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17513 grantPermissionsUserIds = ArrayUtils.appendInt( 17514 grantPermissionsUserIds, userId); 17515 } 17516 } 17517 } 17518 sUserManager.systemReady(); 17519 17520 // If we upgraded grant all default permissions before kicking off. 17521 for (int userId : grantPermissionsUserIds) { 17522 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17523 } 17524 17525 // Kick off any messages waiting for system ready 17526 if (mPostSystemReadyMessages != null) { 17527 for (Message msg : mPostSystemReadyMessages) { 17528 msg.sendToTarget(); 17529 } 17530 mPostSystemReadyMessages = null; 17531 } 17532 17533 // Watch for external volumes that come and go over time 17534 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17535 storage.registerListener(mStorageListener); 17536 17537 mInstallerService.systemReady(); 17538 mPackageDexOptimizer.systemReady(); 17539 17540 MountServiceInternal mountServiceInternal = LocalServices.getService( 17541 MountServiceInternal.class); 17542 mountServiceInternal.addExternalStoragePolicy( 17543 new MountServiceInternal.ExternalStorageMountPolicy() { 17544 @Override 17545 public int getMountMode(int uid, String packageName) { 17546 if (Process.isIsolated(uid)) { 17547 return Zygote.MOUNT_EXTERNAL_NONE; 17548 } 17549 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17550 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17551 } 17552 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17553 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17554 } 17555 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17556 return Zygote.MOUNT_EXTERNAL_READ; 17557 } 17558 return Zygote.MOUNT_EXTERNAL_WRITE; 17559 } 17560 17561 @Override 17562 public boolean hasExternalStorage(int uid, String packageName) { 17563 return true; 17564 } 17565 }); 17566 17567 // Now that we're mostly running, clean up stale users and apps 17568 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17569 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17570 } 17571 17572 @Override 17573 public boolean isSafeMode() { 17574 return mSafeMode; 17575 } 17576 17577 @Override 17578 public boolean hasSystemUidErrors() { 17579 return mHasSystemUidErrors; 17580 } 17581 17582 static String arrayToString(int[] array) { 17583 StringBuffer buf = new StringBuffer(128); 17584 buf.append('['); 17585 if (array != null) { 17586 for (int i=0; i<array.length; i++) { 17587 if (i > 0) buf.append(", "); 17588 buf.append(array[i]); 17589 } 17590 } 17591 buf.append(']'); 17592 return buf.toString(); 17593 } 17594 17595 static class DumpState { 17596 public static final int DUMP_LIBS = 1 << 0; 17597 public static final int DUMP_FEATURES = 1 << 1; 17598 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17599 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17600 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17601 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17602 public static final int DUMP_PERMISSIONS = 1 << 6; 17603 public static final int DUMP_PACKAGES = 1 << 7; 17604 public static final int DUMP_SHARED_USERS = 1 << 8; 17605 public static final int DUMP_MESSAGES = 1 << 9; 17606 public static final int DUMP_PROVIDERS = 1 << 10; 17607 public static final int DUMP_VERIFIERS = 1 << 11; 17608 public static final int DUMP_PREFERRED = 1 << 12; 17609 public static final int DUMP_PREFERRED_XML = 1 << 13; 17610 public static final int DUMP_KEYSETS = 1 << 14; 17611 public static final int DUMP_VERSION = 1 << 15; 17612 public static final int DUMP_INSTALLS = 1 << 16; 17613 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17614 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17615 public static final int DUMP_FROZEN = 1 << 19; 17616 17617 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17618 17619 private int mTypes; 17620 17621 private int mOptions; 17622 17623 private boolean mTitlePrinted; 17624 17625 private SharedUserSetting mSharedUser; 17626 17627 public boolean isDumping(int type) { 17628 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17629 return true; 17630 } 17631 17632 return (mTypes & type) != 0; 17633 } 17634 17635 public void setDump(int type) { 17636 mTypes |= type; 17637 } 17638 17639 public boolean isOptionEnabled(int option) { 17640 return (mOptions & option) != 0; 17641 } 17642 17643 public void setOptionEnabled(int option) { 17644 mOptions |= option; 17645 } 17646 17647 public boolean onTitlePrinted() { 17648 final boolean printed = mTitlePrinted; 17649 mTitlePrinted = true; 17650 return printed; 17651 } 17652 17653 public boolean getTitlePrinted() { 17654 return mTitlePrinted; 17655 } 17656 17657 public void setTitlePrinted(boolean enabled) { 17658 mTitlePrinted = enabled; 17659 } 17660 17661 public SharedUserSetting getSharedUser() { 17662 return mSharedUser; 17663 } 17664 17665 public void setSharedUser(SharedUserSetting user) { 17666 mSharedUser = user; 17667 } 17668 } 17669 17670 @Override 17671 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17672 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17673 (new PackageManagerShellCommand(this)).exec( 17674 this, in, out, err, args, resultReceiver); 17675 } 17676 17677 @Override 17678 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17679 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17680 != PackageManager.PERMISSION_GRANTED) { 17681 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17682 + Binder.getCallingPid() 17683 + ", uid=" + Binder.getCallingUid() 17684 + " without permission " 17685 + android.Manifest.permission.DUMP); 17686 return; 17687 } 17688 17689 DumpState dumpState = new DumpState(); 17690 boolean fullPreferred = false; 17691 boolean checkin = false; 17692 17693 String packageName = null; 17694 ArraySet<String> permissionNames = null; 17695 17696 int opti = 0; 17697 while (opti < args.length) { 17698 String opt = args[opti]; 17699 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17700 break; 17701 } 17702 opti++; 17703 17704 if ("-a".equals(opt)) { 17705 // Right now we only know how to print all. 17706 } else if ("-h".equals(opt)) { 17707 pw.println("Package manager dump options:"); 17708 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17709 pw.println(" --checkin: dump for a checkin"); 17710 pw.println(" -f: print details of intent filters"); 17711 pw.println(" -h: print this help"); 17712 pw.println(" cmd may be one of:"); 17713 pw.println(" l[ibraries]: list known shared libraries"); 17714 pw.println(" f[eatures]: list device features"); 17715 pw.println(" k[eysets]: print known keysets"); 17716 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17717 pw.println(" perm[issions]: dump permissions"); 17718 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17719 pw.println(" pref[erred]: print preferred package settings"); 17720 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17721 pw.println(" prov[iders]: dump content providers"); 17722 pw.println(" p[ackages]: dump installed packages"); 17723 pw.println(" s[hared-users]: dump shared user IDs"); 17724 pw.println(" m[essages]: print collected runtime messages"); 17725 pw.println(" v[erifiers]: print package verifier info"); 17726 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17727 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17728 pw.println(" version: print database version info"); 17729 pw.println(" write: write current settings now"); 17730 pw.println(" installs: details about install sessions"); 17731 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17732 pw.println(" <package.name>: info about given package"); 17733 return; 17734 } else if ("--checkin".equals(opt)) { 17735 checkin = true; 17736 } else if ("-f".equals(opt)) { 17737 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17738 } else { 17739 pw.println("Unknown argument: " + opt + "; use -h for help"); 17740 } 17741 } 17742 17743 // Is the caller requesting to dump a particular piece of data? 17744 if (opti < args.length) { 17745 String cmd = args[opti]; 17746 opti++; 17747 // Is this a package name? 17748 if ("android".equals(cmd) || cmd.contains(".")) { 17749 packageName = cmd; 17750 // When dumping a single package, we always dump all of its 17751 // filter information since the amount of data will be reasonable. 17752 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17753 } else if ("check-permission".equals(cmd)) { 17754 if (opti >= args.length) { 17755 pw.println("Error: check-permission missing permission argument"); 17756 return; 17757 } 17758 String perm = args[opti]; 17759 opti++; 17760 if (opti >= args.length) { 17761 pw.println("Error: check-permission missing package argument"); 17762 return; 17763 } 17764 String pkg = args[opti]; 17765 opti++; 17766 int user = UserHandle.getUserId(Binder.getCallingUid()); 17767 if (opti < args.length) { 17768 try { 17769 user = Integer.parseInt(args[opti]); 17770 } catch (NumberFormatException e) { 17771 pw.println("Error: check-permission user argument is not a number: " 17772 + args[opti]); 17773 return; 17774 } 17775 } 17776 pw.println(checkPermission(perm, pkg, user)); 17777 return; 17778 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17779 dumpState.setDump(DumpState.DUMP_LIBS); 17780 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17781 dumpState.setDump(DumpState.DUMP_FEATURES); 17782 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17783 if (opti >= args.length) { 17784 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17785 | DumpState.DUMP_SERVICE_RESOLVERS 17786 | DumpState.DUMP_RECEIVER_RESOLVERS 17787 | DumpState.DUMP_CONTENT_RESOLVERS); 17788 } else { 17789 while (opti < args.length) { 17790 String name = args[opti]; 17791 if ("a".equals(name) || "activity".equals(name)) { 17792 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17793 } else if ("s".equals(name) || "service".equals(name)) { 17794 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17795 } else if ("r".equals(name) || "receiver".equals(name)) { 17796 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17797 } else if ("c".equals(name) || "content".equals(name)) { 17798 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17799 } else { 17800 pw.println("Error: unknown resolver table type: " + name); 17801 return; 17802 } 17803 opti++; 17804 } 17805 } 17806 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17807 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17808 } else if ("permission".equals(cmd)) { 17809 if (opti >= args.length) { 17810 pw.println("Error: permission requires permission name"); 17811 return; 17812 } 17813 permissionNames = new ArraySet<>(); 17814 while (opti < args.length) { 17815 permissionNames.add(args[opti]); 17816 opti++; 17817 } 17818 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17819 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17820 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17821 dumpState.setDump(DumpState.DUMP_PREFERRED); 17822 } else if ("preferred-xml".equals(cmd)) { 17823 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17824 if (opti < args.length && "--full".equals(args[opti])) { 17825 fullPreferred = true; 17826 opti++; 17827 } 17828 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17829 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17830 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17831 dumpState.setDump(DumpState.DUMP_PACKAGES); 17832 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17833 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17834 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17835 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17836 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17837 dumpState.setDump(DumpState.DUMP_MESSAGES); 17838 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17839 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17840 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17841 || "intent-filter-verifiers".equals(cmd)) { 17842 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17843 } else if ("version".equals(cmd)) { 17844 dumpState.setDump(DumpState.DUMP_VERSION); 17845 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17846 dumpState.setDump(DumpState.DUMP_KEYSETS); 17847 } else if ("installs".equals(cmd)) { 17848 dumpState.setDump(DumpState.DUMP_INSTALLS); 17849 } else if ("frozen".equals(cmd)) { 17850 dumpState.setDump(DumpState.DUMP_FROZEN); 17851 } else if ("write".equals(cmd)) { 17852 synchronized (mPackages) { 17853 mSettings.writeLPr(); 17854 pw.println("Settings written."); 17855 return; 17856 } 17857 } 17858 } 17859 17860 if (checkin) { 17861 pw.println("vers,1"); 17862 } 17863 17864 // reader 17865 synchronized (mPackages) { 17866 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17867 if (!checkin) { 17868 if (dumpState.onTitlePrinted()) 17869 pw.println(); 17870 pw.println("Database versions:"); 17871 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17872 } 17873 } 17874 17875 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17876 if (!checkin) { 17877 if (dumpState.onTitlePrinted()) 17878 pw.println(); 17879 pw.println("Verifiers:"); 17880 pw.print(" Required: "); 17881 pw.print(mRequiredVerifierPackage); 17882 pw.print(" (uid="); 17883 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17884 UserHandle.USER_SYSTEM)); 17885 pw.println(")"); 17886 } else if (mRequiredVerifierPackage != null) { 17887 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17888 pw.print(","); 17889 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17890 UserHandle.USER_SYSTEM)); 17891 } 17892 } 17893 17894 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17895 packageName == null) { 17896 if (mIntentFilterVerifierComponent != null) { 17897 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17898 if (!checkin) { 17899 if (dumpState.onTitlePrinted()) 17900 pw.println(); 17901 pw.println("Intent Filter Verifier:"); 17902 pw.print(" Using: "); 17903 pw.print(verifierPackageName); 17904 pw.print(" (uid="); 17905 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17906 UserHandle.USER_SYSTEM)); 17907 pw.println(")"); 17908 } else if (verifierPackageName != null) { 17909 pw.print("ifv,"); pw.print(verifierPackageName); 17910 pw.print(","); 17911 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17912 UserHandle.USER_SYSTEM)); 17913 } 17914 } else { 17915 pw.println(); 17916 pw.println("No Intent Filter Verifier available!"); 17917 } 17918 } 17919 17920 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17921 boolean printedHeader = false; 17922 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17923 while (it.hasNext()) { 17924 String name = it.next(); 17925 SharedLibraryEntry ent = mSharedLibraries.get(name); 17926 if (!checkin) { 17927 if (!printedHeader) { 17928 if (dumpState.onTitlePrinted()) 17929 pw.println(); 17930 pw.println("Libraries:"); 17931 printedHeader = true; 17932 } 17933 pw.print(" "); 17934 } else { 17935 pw.print("lib,"); 17936 } 17937 pw.print(name); 17938 if (!checkin) { 17939 pw.print(" -> "); 17940 } 17941 if (ent.path != null) { 17942 if (!checkin) { 17943 pw.print("(jar) "); 17944 pw.print(ent.path); 17945 } else { 17946 pw.print(",jar,"); 17947 pw.print(ent.path); 17948 } 17949 } else { 17950 if (!checkin) { 17951 pw.print("(apk) "); 17952 pw.print(ent.apk); 17953 } else { 17954 pw.print(",apk,"); 17955 pw.print(ent.apk); 17956 } 17957 } 17958 pw.println(); 17959 } 17960 } 17961 17962 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17963 if (dumpState.onTitlePrinted()) 17964 pw.println(); 17965 if (!checkin) { 17966 pw.println("Features:"); 17967 } 17968 17969 for (FeatureInfo feat : mAvailableFeatures.values()) { 17970 if (checkin) { 17971 pw.print("feat,"); 17972 pw.print(feat.name); 17973 pw.print(","); 17974 pw.println(feat.version); 17975 } else { 17976 pw.print(" "); 17977 pw.print(feat.name); 17978 if (feat.version > 0) { 17979 pw.print(" version="); 17980 pw.print(feat.version); 17981 } 17982 pw.println(); 17983 } 17984 } 17985 } 17986 17987 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17988 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17989 : "Activity Resolver Table:", " ", packageName, 17990 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17991 dumpState.setTitlePrinted(true); 17992 } 17993 } 17994 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17995 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17996 : "Receiver Resolver Table:", " ", packageName, 17997 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17998 dumpState.setTitlePrinted(true); 17999 } 18000 } 18001 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18002 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18003 : "Service Resolver Table:", " ", packageName, 18004 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18005 dumpState.setTitlePrinted(true); 18006 } 18007 } 18008 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18009 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18010 : "Provider Resolver Table:", " ", packageName, 18011 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18012 dumpState.setTitlePrinted(true); 18013 } 18014 } 18015 18016 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18017 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18018 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18019 int user = mSettings.mPreferredActivities.keyAt(i); 18020 if (pir.dump(pw, 18021 dumpState.getTitlePrinted() 18022 ? "\nPreferred Activities User " + user + ":" 18023 : "Preferred Activities User " + user + ":", " ", 18024 packageName, true, false)) { 18025 dumpState.setTitlePrinted(true); 18026 } 18027 } 18028 } 18029 18030 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18031 pw.flush(); 18032 FileOutputStream fout = new FileOutputStream(fd); 18033 BufferedOutputStream str = new BufferedOutputStream(fout); 18034 XmlSerializer serializer = new FastXmlSerializer(); 18035 try { 18036 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18037 serializer.startDocument(null, true); 18038 serializer.setFeature( 18039 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18040 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18041 serializer.endDocument(); 18042 serializer.flush(); 18043 } catch (IllegalArgumentException e) { 18044 pw.println("Failed writing: " + e); 18045 } catch (IllegalStateException e) { 18046 pw.println("Failed writing: " + e); 18047 } catch (IOException e) { 18048 pw.println("Failed writing: " + e); 18049 } 18050 } 18051 18052 if (!checkin 18053 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18054 && packageName == null) { 18055 pw.println(); 18056 int count = mSettings.mPackages.size(); 18057 if (count == 0) { 18058 pw.println("No applications!"); 18059 pw.println(); 18060 } else { 18061 final String prefix = " "; 18062 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18063 if (allPackageSettings.size() == 0) { 18064 pw.println("No domain preferred apps!"); 18065 pw.println(); 18066 } else { 18067 pw.println("App verification status:"); 18068 pw.println(); 18069 count = 0; 18070 for (PackageSetting ps : allPackageSettings) { 18071 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18072 if (ivi == null || ivi.getPackageName() == null) continue; 18073 pw.println(prefix + "Package: " + ivi.getPackageName()); 18074 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18075 pw.println(prefix + "Status: " + ivi.getStatusString()); 18076 pw.println(); 18077 count++; 18078 } 18079 if (count == 0) { 18080 pw.println(prefix + "No app verification established."); 18081 pw.println(); 18082 } 18083 for (int userId : sUserManager.getUserIds()) { 18084 pw.println("App linkages for user " + userId + ":"); 18085 pw.println(); 18086 count = 0; 18087 for (PackageSetting ps : allPackageSettings) { 18088 final long status = ps.getDomainVerificationStatusForUser(userId); 18089 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18090 continue; 18091 } 18092 pw.println(prefix + "Package: " + ps.name); 18093 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18094 String statusStr = IntentFilterVerificationInfo. 18095 getStatusStringFromValue(status); 18096 pw.println(prefix + "Status: " + statusStr); 18097 pw.println(); 18098 count++; 18099 } 18100 if (count == 0) { 18101 pw.println(prefix + "No configured app linkages."); 18102 pw.println(); 18103 } 18104 } 18105 } 18106 } 18107 } 18108 18109 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18110 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18111 if (packageName == null && permissionNames == null) { 18112 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18113 if (iperm == 0) { 18114 if (dumpState.onTitlePrinted()) 18115 pw.println(); 18116 pw.println("AppOp Permissions:"); 18117 } 18118 pw.print(" AppOp Permission "); 18119 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18120 pw.println(":"); 18121 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18122 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18123 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18124 } 18125 } 18126 } 18127 } 18128 18129 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18130 boolean printedSomething = false; 18131 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18132 if (packageName != null && !packageName.equals(p.info.packageName)) { 18133 continue; 18134 } 18135 if (!printedSomething) { 18136 if (dumpState.onTitlePrinted()) 18137 pw.println(); 18138 pw.println("Registered ContentProviders:"); 18139 printedSomething = true; 18140 } 18141 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18142 pw.print(" "); pw.println(p.toString()); 18143 } 18144 printedSomething = false; 18145 for (Map.Entry<String, PackageParser.Provider> entry : 18146 mProvidersByAuthority.entrySet()) { 18147 PackageParser.Provider p = entry.getValue(); 18148 if (packageName != null && !packageName.equals(p.info.packageName)) { 18149 continue; 18150 } 18151 if (!printedSomething) { 18152 if (dumpState.onTitlePrinted()) 18153 pw.println(); 18154 pw.println("ContentProvider Authorities:"); 18155 printedSomething = true; 18156 } 18157 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18158 pw.print(" "); pw.println(p.toString()); 18159 if (p.info != null && p.info.applicationInfo != null) { 18160 final String appInfo = p.info.applicationInfo.toString(); 18161 pw.print(" applicationInfo="); pw.println(appInfo); 18162 } 18163 } 18164 } 18165 18166 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18167 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18168 } 18169 18170 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18171 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18172 } 18173 18174 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18175 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18176 } 18177 18178 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18179 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18180 } 18181 18182 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18183 // XXX should handle packageName != null by dumping only install data that 18184 // the given package is involved with. 18185 if (dumpState.onTitlePrinted()) pw.println(); 18186 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18187 } 18188 18189 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18190 // XXX should handle packageName != null by dumping only install data that 18191 // the given package is involved with. 18192 if (dumpState.onTitlePrinted()) pw.println(); 18193 18194 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18195 ipw.println(); 18196 ipw.println("Frozen packages:"); 18197 ipw.increaseIndent(); 18198 if (mFrozenPackages.size() == 0) { 18199 ipw.println("(none)"); 18200 } else { 18201 for (int i = 0; i < mFrozenPackages.size(); i++) { 18202 ipw.println(mFrozenPackages.valueAt(i)); 18203 } 18204 } 18205 ipw.decreaseIndent(); 18206 } 18207 18208 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18209 if (dumpState.onTitlePrinted()) pw.println(); 18210 mSettings.dumpReadMessagesLPr(pw, dumpState); 18211 18212 pw.println(); 18213 pw.println("Package warning messages:"); 18214 BufferedReader in = null; 18215 String line = null; 18216 try { 18217 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18218 while ((line = in.readLine()) != null) { 18219 if (line.contains("ignored: updated version")) continue; 18220 pw.println(line); 18221 } 18222 } catch (IOException ignored) { 18223 } finally { 18224 IoUtils.closeQuietly(in); 18225 } 18226 } 18227 18228 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18229 BufferedReader in = null; 18230 String line = null; 18231 try { 18232 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18233 while ((line = in.readLine()) != null) { 18234 if (line.contains("ignored: updated version")) continue; 18235 pw.print("msg,"); 18236 pw.println(line); 18237 } 18238 } catch (IOException ignored) { 18239 } finally { 18240 IoUtils.closeQuietly(in); 18241 } 18242 } 18243 } 18244 } 18245 18246 private String dumpDomainString(String packageName) { 18247 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18248 .getList(); 18249 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18250 18251 ArraySet<String> result = new ArraySet<>(); 18252 if (iviList.size() > 0) { 18253 for (IntentFilterVerificationInfo ivi : iviList) { 18254 for (String host : ivi.getDomains()) { 18255 result.add(host); 18256 } 18257 } 18258 } 18259 if (filters != null && filters.size() > 0) { 18260 for (IntentFilter filter : filters) { 18261 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18262 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18263 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18264 result.addAll(filter.getHostsList()); 18265 } 18266 } 18267 } 18268 18269 StringBuilder sb = new StringBuilder(result.size() * 16); 18270 for (String domain : result) { 18271 if (sb.length() > 0) sb.append(" "); 18272 sb.append(domain); 18273 } 18274 return sb.toString(); 18275 } 18276 18277 // ------- apps on sdcard specific code ------- 18278 static final boolean DEBUG_SD_INSTALL = false; 18279 18280 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18281 18282 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18283 18284 private boolean mMediaMounted = false; 18285 18286 static String getEncryptKey() { 18287 try { 18288 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18289 SD_ENCRYPTION_KEYSTORE_NAME); 18290 if (sdEncKey == null) { 18291 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18292 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18293 if (sdEncKey == null) { 18294 Slog.e(TAG, "Failed to create encryption keys"); 18295 return null; 18296 } 18297 } 18298 return sdEncKey; 18299 } catch (NoSuchAlgorithmException nsae) { 18300 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18301 return null; 18302 } catch (IOException ioe) { 18303 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18304 return null; 18305 } 18306 } 18307 18308 /* 18309 * Update media status on PackageManager. 18310 */ 18311 @Override 18312 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18313 int callingUid = Binder.getCallingUid(); 18314 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18315 throw new SecurityException("Media status can only be updated by the system"); 18316 } 18317 // reader; this apparently protects mMediaMounted, but should probably 18318 // be a different lock in that case. 18319 synchronized (mPackages) { 18320 Log.i(TAG, "Updating external media status from " 18321 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18322 + (mediaStatus ? "mounted" : "unmounted")); 18323 if (DEBUG_SD_INSTALL) 18324 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18325 + ", mMediaMounted=" + mMediaMounted); 18326 if (mediaStatus == mMediaMounted) { 18327 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18328 : 0, -1); 18329 mHandler.sendMessage(msg); 18330 return; 18331 } 18332 mMediaMounted = mediaStatus; 18333 } 18334 // Queue up an async operation since the package installation may take a 18335 // little while. 18336 mHandler.post(new Runnable() { 18337 public void run() { 18338 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18339 } 18340 }); 18341 } 18342 18343 /** 18344 * Called by MountService when the initial ASECs to scan are available. 18345 * Should block until all the ASEC containers are finished being scanned. 18346 */ 18347 public void scanAvailableAsecs() { 18348 updateExternalMediaStatusInner(true, false, false); 18349 } 18350 18351 /* 18352 * Collect information of applications on external media, map them against 18353 * existing containers and update information based on current mount status. 18354 * Please note that we always have to report status if reportStatus has been 18355 * set to true especially when unloading packages. 18356 */ 18357 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18358 boolean externalStorage) { 18359 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18360 int[] uidArr = EmptyArray.INT; 18361 18362 final String[] list = PackageHelper.getSecureContainerList(); 18363 if (ArrayUtils.isEmpty(list)) { 18364 Log.i(TAG, "No secure containers found"); 18365 } else { 18366 // Process list of secure containers and categorize them 18367 // as active or stale based on their package internal state. 18368 18369 // reader 18370 synchronized (mPackages) { 18371 for (String cid : list) { 18372 // Leave stages untouched for now; installer service owns them 18373 if (PackageInstallerService.isStageName(cid)) continue; 18374 18375 if (DEBUG_SD_INSTALL) 18376 Log.i(TAG, "Processing container " + cid); 18377 String pkgName = getAsecPackageName(cid); 18378 if (pkgName == null) { 18379 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18380 continue; 18381 } 18382 if (DEBUG_SD_INSTALL) 18383 Log.i(TAG, "Looking for pkg : " + pkgName); 18384 18385 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18386 if (ps == null) { 18387 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18388 continue; 18389 } 18390 18391 /* 18392 * Skip packages that are not external if we're unmounting 18393 * external storage. 18394 */ 18395 if (externalStorage && !isMounted && !isExternal(ps)) { 18396 continue; 18397 } 18398 18399 final AsecInstallArgs args = new AsecInstallArgs(cid, 18400 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18401 // The package status is changed only if the code path 18402 // matches between settings and the container id. 18403 if (ps.codePathString != null 18404 && ps.codePathString.startsWith(args.getCodePath())) { 18405 if (DEBUG_SD_INSTALL) { 18406 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18407 + " at code path: " + ps.codePathString); 18408 } 18409 18410 // We do have a valid package installed on sdcard 18411 processCids.put(args, ps.codePathString); 18412 final int uid = ps.appId; 18413 if (uid != -1) { 18414 uidArr = ArrayUtils.appendInt(uidArr, uid); 18415 } 18416 } else { 18417 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18418 + ps.codePathString); 18419 } 18420 } 18421 } 18422 18423 Arrays.sort(uidArr); 18424 } 18425 18426 // Process packages with valid entries. 18427 if (isMounted) { 18428 if (DEBUG_SD_INSTALL) 18429 Log.i(TAG, "Loading packages"); 18430 loadMediaPackages(processCids, uidArr, externalStorage); 18431 startCleaningPackages(); 18432 mInstallerService.onSecureContainersAvailable(); 18433 } else { 18434 if (DEBUG_SD_INSTALL) 18435 Log.i(TAG, "Unloading packages"); 18436 unloadMediaPackages(processCids, uidArr, reportStatus); 18437 } 18438 } 18439 18440 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18441 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18442 final int size = infos.size(); 18443 final String[] packageNames = new String[size]; 18444 final int[] packageUids = new int[size]; 18445 for (int i = 0; i < size; i++) { 18446 final ApplicationInfo info = infos.get(i); 18447 packageNames[i] = info.packageName; 18448 packageUids[i] = info.uid; 18449 } 18450 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18451 finishedReceiver); 18452 } 18453 18454 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18455 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18456 sendResourcesChangedBroadcast(mediaStatus, replacing, 18457 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18458 } 18459 18460 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18461 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18462 int size = pkgList.length; 18463 if (size > 0) { 18464 // Send broadcasts here 18465 Bundle extras = new Bundle(); 18466 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18467 if (uidArr != null) { 18468 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18469 } 18470 if (replacing) { 18471 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18472 } 18473 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18474 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18475 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18476 } 18477 } 18478 18479 /* 18480 * Look at potentially valid container ids from processCids If package 18481 * information doesn't match the one on record or package scanning fails, 18482 * the cid is added to list of removeCids. We currently don't delete stale 18483 * containers. 18484 */ 18485 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18486 boolean externalStorage) { 18487 ArrayList<String> pkgList = new ArrayList<String>(); 18488 Set<AsecInstallArgs> keys = processCids.keySet(); 18489 18490 for (AsecInstallArgs args : keys) { 18491 String codePath = processCids.get(args); 18492 if (DEBUG_SD_INSTALL) 18493 Log.i(TAG, "Loading container : " + args.cid); 18494 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18495 try { 18496 // Make sure there are no container errors first. 18497 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18498 Slog.e(TAG, "Failed to mount cid : " + args.cid 18499 + " when installing from sdcard"); 18500 continue; 18501 } 18502 // Check code path here. 18503 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18504 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18505 + " does not match one in settings " + codePath); 18506 continue; 18507 } 18508 // Parse package 18509 int parseFlags = mDefParseFlags; 18510 if (args.isExternalAsec()) { 18511 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18512 } 18513 if (args.isFwdLocked()) { 18514 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18515 } 18516 18517 synchronized (mInstallLock) { 18518 PackageParser.Package pkg = null; 18519 try { 18520 // Sadly we don't know the package name yet to freeze it 18521 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18522 SCAN_IGNORE_FROZEN, 0, null); 18523 } catch (PackageManagerException e) { 18524 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18525 } 18526 // Scan the package 18527 if (pkg != null) { 18528 /* 18529 * TODO why is the lock being held? doPostInstall is 18530 * called in other places without the lock. This needs 18531 * to be straightened out. 18532 */ 18533 // writer 18534 synchronized (mPackages) { 18535 retCode = PackageManager.INSTALL_SUCCEEDED; 18536 pkgList.add(pkg.packageName); 18537 // Post process args 18538 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18539 pkg.applicationInfo.uid); 18540 } 18541 } else { 18542 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18543 } 18544 } 18545 18546 } finally { 18547 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18548 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18549 } 18550 } 18551 } 18552 // writer 18553 synchronized (mPackages) { 18554 // If the platform SDK has changed since the last time we booted, 18555 // we need to re-grant app permission to catch any new ones that 18556 // appear. This is really a hack, and means that apps can in some 18557 // cases get permissions that the user didn't initially explicitly 18558 // allow... it would be nice to have some better way to handle 18559 // this situation. 18560 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18561 : mSettings.getInternalVersion(); 18562 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18563 : StorageManager.UUID_PRIVATE_INTERNAL; 18564 18565 int updateFlags = UPDATE_PERMISSIONS_ALL; 18566 if (ver.sdkVersion != mSdkVersion) { 18567 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18568 + mSdkVersion + "; regranting permissions for external"); 18569 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18570 } 18571 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18572 18573 // Yay, everything is now upgraded 18574 ver.forceCurrent(); 18575 18576 // can downgrade to reader 18577 // Persist settings 18578 mSettings.writeLPr(); 18579 } 18580 // Send a broadcast to let everyone know we are done processing 18581 if (pkgList.size() > 0) { 18582 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18583 } 18584 } 18585 18586 /* 18587 * Utility method to unload a list of specified containers 18588 */ 18589 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18590 // Just unmount all valid containers. 18591 for (AsecInstallArgs arg : cidArgs) { 18592 synchronized (mInstallLock) { 18593 arg.doPostDeleteLI(false); 18594 } 18595 } 18596 } 18597 18598 /* 18599 * Unload packages mounted on external media. This involves deleting package 18600 * data from internal structures, sending broadcasts about disabled packages, 18601 * gc'ing to free up references, unmounting all secure containers 18602 * corresponding to packages on external media, and posting a 18603 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18604 * that we always have to post this message if status has been requested no 18605 * matter what. 18606 */ 18607 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18608 final boolean reportStatus) { 18609 if (DEBUG_SD_INSTALL) 18610 Log.i(TAG, "unloading media packages"); 18611 ArrayList<String> pkgList = new ArrayList<String>(); 18612 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18613 final Set<AsecInstallArgs> keys = processCids.keySet(); 18614 for (AsecInstallArgs args : keys) { 18615 String pkgName = args.getPackageName(); 18616 if (DEBUG_SD_INSTALL) 18617 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18618 // Delete package internally 18619 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18620 synchronized (mInstallLock) { 18621 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18622 final boolean res; 18623 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18624 "unloadMediaPackages")) { 18625 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18626 null); 18627 } 18628 if (res) { 18629 pkgList.add(pkgName); 18630 } else { 18631 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18632 failedList.add(args); 18633 } 18634 } 18635 } 18636 18637 // reader 18638 synchronized (mPackages) { 18639 // We didn't update the settings after removing each package; 18640 // write them now for all packages. 18641 mSettings.writeLPr(); 18642 } 18643 18644 // We have to absolutely send UPDATED_MEDIA_STATUS only 18645 // after confirming that all the receivers processed the ordered 18646 // broadcast when packages get disabled, force a gc to clean things up. 18647 // and unload all the containers. 18648 if (pkgList.size() > 0) { 18649 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18650 new IIntentReceiver.Stub() { 18651 public void performReceive(Intent intent, int resultCode, String data, 18652 Bundle extras, boolean ordered, boolean sticky, 18653 int sendingUser) throws RemoteException { 18654 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18655 reportStatus ? 1 : 0, 1, keys); 18656 mHandler.sendMessage(msg); 18657 } 18658 }); 18659 } else { 18660 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18661 keys); 18662 mHandler.sendMessage(msg); 18663 } 18664 } 18665 18666 private void loadPrivatePackages(final VolumeInfo vol) { 18667 mHandler.post(new Runnable() { 18668 @Override 18669 public void run() { 18670 loadPrivatePackagesInner(vol); 18671 } 18672 }); 18673 } 18674 18675 private void loadPrivatePackagesInner(VolumeInfo vol) { 18676 final String volumeUuid = vol.fsUuid; 18677 if (TextUtils.isEmpty(volumeUuid)) { 18678 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18679 return; 18680 } 18681 18682 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18683 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18684 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18685 18686 final VersionInfo ver; 18687 final List<PackageSetting> packages; 18688 synchronized (mPackages) { 18689 ver = mSettings.findOrCreateVersion(volumeUuid); 18690 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18691 } 18692 18693 for (PackageSetting ps : packages) { 18694 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18695 synchronized (mInstallLock) { 18696 final PackageParser.Package pkg; 18697 try { 18698 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18699 loaded.add(pkg.applicationInfo); 18700 18701 } catch (PackageManagerException e) { 18702 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18703 } 18704 18705 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18706 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18707 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18708 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18709 } 18710 } 18711 } 18712 18713 // Reconcile app data for all started/unlocked users 18714 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18715 final UserManager um = mContext.getSystemService(UserManager.class); 18716 for (UserInfo user : um.getUsers()) { 18717 final int flags; 18718 if (um.isUserUnlocked(user.id)) { 18719 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18720 } else if (um.isUserRunning(user.id)) { 18721 flags = StorageManager.FLAG_STORAGE_DE; 18722 } else { 18723 continue; 18724 } 18725 18726 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18727 synchronized (mInstallLock) { 18728 reconcileAppsDataLI(volumeUuid, user.id, flags); 18729 } 18730 } 18731 18732 synchronized (mPackages) { 18733 int updateFlags = UPDATE_PERMISSIONS_ALL; 18734 if (ver.sdkVersion != mSdkVersion) { 18735 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18736 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18737 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18738 } 18739 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18740 18741 // Yay, everything is now upgraded 18742 ver.forceCurrent(); 18743 18744 mSettings.writeLPr(); 18745 } 18746 18747 for (PackageFreezer freezer : freezers) { 18748 freezer.close(); 18749 } 18750 18751 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18752 sendResourcesChangedBroadcast(true, false, loaded, null); 18753 } 18754 18755 private void unloadPrivatePackages(final VolumeInfo vol) { 18756 mHandler.post(new Runnable() { 18757 @Override 18758 public void run() { 18759 unloadPrivatePackagesInner(vol); 18760 } 18761 }); 18762 } 18763 18764 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18765 final String volumeUuid = vol.fsUuid; 18766 if (TextUtils.isEmpty(volumeUuid)) { 18767 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18768 return; 18769 } 18770 18771 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18772 synchronized (mInstallLock) { 18773 synchronized (mPackages) { 18774 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18775 for (PackageSetting ps : packages) { 18776 if (ps.pkg == null) continue; 18777 18778 final ApplicationInfo info = ps.pkg.applicationInfo; 18779 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18780 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18781 18782 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18783 "unloadPrivatePackagesInner")) { 18784 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18785 false, null)) { 18786 unloaded.add(info); 18787 } else { 18788 Slog.w(TAG, "Failed to unload " + ps.codePath); 18789 } 18790 } 18791 } 18792 18793 mSettings.writeLPr(); 18794 } 18795 } 18796 18797 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18798 sendResourcesChangedBroadcast(false, false, unloaded, null); 18799 } 18800 18801 /** 18802 * Prepare storage areas for given user on all mounted devices. 18803 */ 18804 void prepareUserData(int userId, int userSerial, int flags) { 18805 synchronized (mInstallLock) { 18806 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18807 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18808 final String volumeUuid = vol.getFsUuid(); 18809 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 18810 } 18811 } 18812 } 18813 18814 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 18815 boolean allowRecover) { 18816 // Prepare storage and verify that serial numbers are consistent; if 18817 // there's a mismatch we need to destroy to avoid leaking data 18818 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18819 try { 18820 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 18821 18822 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 18823 UserManagerService.enforceSerialNumber( 18824 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 18825 } 18826 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 18827 UserManagerService.enforceSerialNumber( 18828 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 18829 } 18830 18831 synchronized (mInstallLock) { 18832 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 18833 } 18834 } catch (Exception e) { 18835 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 18836 + " because we failed to prepare: " + e); 18837 destroyUserDataLI(volumeUuid, userId, 18838 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18839 18840 if (allowRecover) { 18841 // Try one last time; if we fail again we're really in trouble 18842 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 18843 } 18844 } 18845 } 18846 18847 /** 18848 * Destroy storage areas for given user on all mounted devices. 18849 */ 18850 void destroyUserData(int userId, int flags) { 18851 synchronized (mInstallLock) { 18852 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18853 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18854 final String volumeUuid = vol.getFsUuid(); 18855 destroyUserDataLI(volumeUuid, userId, flags); 18856 } 18857 } 18858 } 18859 18860 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 18861 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18862 try { 18863 // Clean up app data, profile data, and media data 18864 mInstaller.destroyUserData(volumeUuid, userId, flags); 18865 18866 // Clean up system data 18867 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 18868 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18869 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 18870 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 18871 } 18872 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18873 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 18874 } 18875 } 18876 18877 // Data with special labels is now gone, so finish the job 18878 storage.destroyUserStorage(volumeUuid, userId, flags); 18879 18880 } catch (Exception e) { 18881 logCriticalInfo(Log.WARN, 18882 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 18883 } 18884 } 18885 18886 /** 18887 * Examine all users present on given mounted volume, and destroy data 18888 * belonging to users that are no longer valid, or whose user ID has been 18889 * recycled. 18890 */ 18891 private void reconcileUsers(String volumeUuid) { 18892 final List<File> files = new ArrayList<>(); 18893 Collections.addAll(files, FileUtils 18894 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 18895 Collections.addAll(files, FileUtils 18896 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 18897 for (File file : files) { 18898 if (!file.isDirectory()) continue; 18899 18900 final int userId; 18901 final UserInfo info; 18902 try { 18903 userId = Integer.parseInt(file.getName()); 18904 info = sUserManager.getUserInfo(userId); 18905 } catch (NumberFormatException e) { 18906 Slog.w(TAG, "Invalid user directory " + file); 18907 continue; 18908 } 18909 18910 boolean destroyUser = false; 18911 if (info == null) { 18912 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18913 + " because no matching user was found"); 18914 destroyUser = true; 18915 } else if (!mOnlyCore) { 18916 try { 18917 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18918 } catch (IOException e) { 18919 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18920 + " because we failed to enforce serial number: " + e); 18921 destroyUser = true; 18922 } 18923 } 18924 18925 if (destroyUser) { 18926 synchronized (mInstallLock) { 18927 destroyUserDataLI(volumeUuid, userId, 18928 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18929 } 18930 } 18931 } 18932 } 18933 18934 private void assertPackageKnown(String volumeUuid, String packageName) 18935 throws PackageManagerException { 18936 synchronized (mPackages) { 18937 final PackageSetting ps = mSettings.mPackages.get(packageName); 18938 if (ps == null) { 18939 throw new PackageManagerException("Package " + packageName + " is unknown"); 18940 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18941 throw new PackageManagerException( 18942 "Package " + packageName + " found on unknown volume " + volumeUuid 18943 + "; expected volume " + ps.volumeUuid); 18944 } 18945 } 18946 } 18947 18948 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18949 throws PackageManagerException { 18950 synchronized (mPackages) { 18951 final PackageSetting ps = mSettings.mPackages.get(packageName); 18952 if (ps == null) { 18953 throw new PackageManagerException("Package " + packageName + " is unknown"); 18954 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18955 throw new PackageManagerException( 18956 "Package " + packageName + " found on unknown volume " + volumeUuid 18957 + "; expected volume " + ps.volumeUuid); 18958 } else if (!ps.getInstalled(userId)) { 18959 throw new PackageManagerException( 18960 "Package " + packageName + " not installed for user " + userId); 18961 } 18962 } 18963 } 18964 18965 /** 18966 * Examine all apps present on given mounted volume, and destroy apps that 18967 * aren't expected, either due to uninstallation or reinstallation on 18968 * another volume. 18969 */ 18970 private void reconcileApps(String volumeUuid) { 18971 final File[] files = FileUtils 18972 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18973 for (File file : files) { 18974 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18975 && !PackageInstallerService.isStageName(file.getName()); 18976 if (!isPackage) { 18977 // Ignore entries which are not packages 18978 continue; 18979 } 18980 18981 try { 18982 final PackageLite pkg = PackageParser.parsePackageLite(file, 18983 PackageParser.PARSE_MUST_BE_APK); 18984 assertPackageKnown(volumeUuid, pkg.packageName); 18985 18986 } catch (PackageParserException | PackageManagerException e) { 18987 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18988 synchronized (mInstallLock) { 18989 removeCodePathLI(file); 18990 } 18991 } 18992 } 18993 } 18994 18995 /** 18996 * Reconcile all app data for the given user. 18997 * <p> 18998 * Verifies that directories exist and that ownership and labeling is 18999 * correct for all installed apps on all mounted volumes. 19000 */ 19001 void reconcileAppsData(int userId, int flags) { 19002 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19003 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19004 final String volumeUuid = vol.getFsUuid(); 19005 synchronized (mInstallLock) { 19006 reconcileAppsDataLI(volumeUuid, userId, flags); 19007 } 19008 } 19009 } 19010 19011 /** 19012 * Reconcile all app data on given mounted volume. 19013 * <p> 19014 * Destroys app data that isn't expected, either due to uninstallation or 19015 * reinstallation on another volume. 19016 * <p> 19017 * Verifies that directories exist and that ownership and labeling is 19018 * correct for all installed apps. 19019 */ 19020 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19021 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19022 + Integer.toHexString(flags)); 19023 19024 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19025 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19026 19027 boolean restoreconNeeded = false; 19028 19029 // First look for stale data that doesn't belong, and check if things 19030 // have changed since we did our last restorecon 19031 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19032 if (!isUserKeyUnlocked(userId)) { 19033 throw new RuntimeException( 19034 "Yikes, someone asked us to reconcile CE storage while " + userId 19035 + " was still locked; this would have caused massive data loss!"); 19036 } 19037 19038 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19039 19040 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19041 for (File file : files) { 19042 final String packageName = file.getName(); 19043 try { 19044 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19045 } catch (PackageManagerException e) { 19046 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19047 try { 19048 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19049 StorageManager.FLAG_STORAGE_CE, 0); 19050 } catch (InstallerException e2) { 19051 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19052 } 19053 } 19054 } 19055 } 19056 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19057 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19058 19059 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19060 for (File file : files) { 19061 final String packageName = file.getName(); 19062 try { 19063 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19064 } catch (PackageManagerException e) { 19065 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19066 try { 19067 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19068 StorageManager.FLAG_STORAGE_DE, 0); 19069 } catch (InstallerException e2) { 19070 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19071 } 19072 } 19073 } 19074 } 19075 19076 // Ensure that data directories are ready to roll for all packages 19077 // installed for this volume and user 19078 final List<PackageSetting> packages; 19079 synchronized (mPackages) { 19080 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19081 } 19082 int preparedCount = 0; 19083 for (PackageSetting ps : packages) { 19084 final String packageName = ps.name; 19085 if (ps.pkg == null) { 19086 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19087 // TODO: might be due to legacy ASEC apps; we should circle back 19088 // and reconcile again once they're scanned 19089 continue; 19090 } 19091 19092 if (ps.getInstalled(userId)) { 19093 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19094 19095 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19096 // We may have just shuffled around app data directories, so 19097 // prepare them one more time 19098 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19099 } 19100 19101 preparedCount++; 19102 } 19103 } 19104 19105 if (restoreconNeeded) { 19106 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19107 SELinuxMMAC.setRestoreconDone(ceDir); 19108 } 19109 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19110 SELinuxMMAC.setRestoreconDone(deDir); 19111 } 19112 } 19113 19114 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19115 + " packages; restoreconNeeded was " + restoreconNeeded); 19116 } 19117 19118 /** 19119 * Prepare app data for the given app just after it was installed or 19120 * upgraded. This method carefully only touches users that it's installed 19121 * for, and it forces a restorecon to handle any seinfo changes. 19122 * <p> 19123 * Verifies that directories exist and that ownership and labeling is 19124 * correct for all installed apps. If there is an ownership mismatch, it 19125 * will try recovering system apps by wiping data; third-party app data is 19126 * left intact. 19127 * <p> 19128 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19129 */ 19130 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19131 final PackageSetting ps; 19132 synchronized (mPackages) { 19133 ps = mSettings.mPackages.get(pkg.packageName); 19134 mSettings.writeKernelMappingLPr(ps); 19135 } 19136 19137 final UserManager um = mContext.getSystemService(UserManager.class); 19138 for (UserInfo user : um.getUsers()) { 19139 final int flags; 19140 if (um.isUserUnlocked(user.id)) { 19141 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19142 } else if (um.isUserRunning(user.id)) { 19143 flags = StorageManager.FLAG_STORAGE_DE; 19144 } else { 19145 continue; 19146 } 19147 19148 if (ps.getInstalled(user.id)) { 19149 // Whenever an app changes, force a restorecon of its data 19150 // TODO: when user data is locked, mark that we're still dirty 19151 prepareAppDataLIF(pkg, user.id, flags, true); 19152 } 19153 } 19154 } 19155 19156 /** 19157 * Prepare app data for the given app. 19158 * <p> 19159 * Verifies that directories exist and that ownership and labeling is 19160 * correct for all installed apps. If there is an ownership mismatch, this 19161 * will try recovering system apps by wiping data; third-party app data is 19162 * left intact. 19163 */ 19164 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19165 boolean restoreconNeeded) { 19166 if (pkg == null) { 19167 Slog.wtf(TAG, "Package was null!", new Throwable()); 19168 return; 19169 } 19170 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19171 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19172 for (int i = 0; i < childCount; i++) { 19173 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19174 } 19175 } 19176 19177 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19178 boolean restoreconNeeded) { 19179 if (DEBUG_APP_DATA) { 19180 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19181 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19182 } 19183 19184 final String volumeUuid = pkg.volumeUuid; 19185 final String packageName = pkg.packageName; 19186 final ApplicationInfo app = pkg.applicationInfo; 19187 final int appId = UserHandle.getAppId(app.uid); 19188 19189 Preconditions.checkNotNull(app.seinfo); 19190 19191 try { 19192 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19193 appId, app.seinfo, app.targetSdkVersion); 19194 } catch (InstallerException e) { 19195 if (app.isSystemApp()) { 19196 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19197 + ", but trying to recover: " + e); 19198 destroyAppDataLeafLIF(pkg, userId, flags); 19199 try { 19200 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19201 appId, app.seinfo, app.targetSdkVersion); 19202 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19203 } catch (InstallerException e2) { 19204 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19205 } 19206 } else { 19207 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19208 } 19209 } 19210 19211 if (restoreconNeeded) { 19212 try { 19213 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19214 app.seinfo); 19215 } catch (InstallerException e) { 19216 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19217 } 19218 } 19219 19220 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19221 try { 19222 // CE storage is unlocked right now, so read out the inode and 19223 // remember for use later when it's locked 19224 // TODO: mark this structure as dirty so we persist it! 19225 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19226 StorageManager.FLAG_STORAGE_CE); 19227 synchronized (mPackages) { 19228 final PackageSetting ps = mSettings.mPackages.get(packageName); 19229 if (ps != null) { 19230 ps.setCeDataInode(ceDataInode, userId); 19231 } 19232 } 19233 } catch (InstallerException e) { 19234 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19235 } 19236 } 19237 19238 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19239 } 19240 19241 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19242 if (pkg == null) { 19243 Slog.wtf(TAG, "Package was null!", new Throwable()); 19244 return; 19245 } 19246 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19247 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19248 for (int i = 0; i < childCount; i++) { 19249 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19250 } 19251 } 19252 19253 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19254 final String volumeUuid = pkg.volumeUuid; 19255 final String packageName = pkg.packageName; 19256 final ApplicationInfo app = pkg.applicationInfo; 19257 19258 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19259 // Create a native library symlink only if we have native libraries 19260 // and if the native libraries are 32 bit libraries. We do not provide 19261 // this symlink for 64 bit libraries. 19262 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19263 final String nativeLibPath = app.nativeLibraryDir; 19264 try { 19265 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19266 nativeLibPath, userId); 19267 } catch (InstallerException e) { 19268 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19269 } 19270 } 19271 } 19272 } 19273 19274 /** 19275 * For system apps on non-FBE devices, this method migrates any existing 19276 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19277 * requested by the app. 19278 */ 19279 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19280 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19281 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19282 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19283 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19284 try { 19285 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19286 storageTarget); 19287 } catch (InstallerException e) { 19288 logCriticalInfo(Log.WARN, 19289 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19290 } 19291 return true; 19292 } else { 19293 return false; 19294 } 19295 } 19296 19297 public PackageFreezer freezePackage(String packageName, String killReason) { 19298 return new PackageFreezer(packageName, killReason); 19299 } 19300 19301 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19302 String killReason) { 19303 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19304 return new PackageFreezer(); 19305 } else { 19306 return freezePackage(packageName, killReason); 19307 } 19308 } 19309 19310 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19311 String killReason) { 19312 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19313 return new PackageFreezer(); 19314 } else { 19315 return freezePackage(packageName, killReason); 19316 } 19317 } 19318 19319 /** 19320 * Class that freezes and kills the given package upon creation, and 19321 * unfreezes it upon closing. This is typically used when doing surgery on 19322 * app code/data to prevent the app from running while you're working. 19323 */ 19324 private class PackageFreezer implements AutoCloseable { 19325 private final String mPackageName; 19326 private final PackageFreezer[] mChildren; 19327 19328 private final boolean mWeFroze; 19329 19330 private final AtomicBoolean mClosed = new AtomicBoolean(); 19331 private final CloseGuard mCloseGuard = CloseGuard.get(); 19332 19333 /** 19334 * Create and return a stub freezer that doesn't actually do anything, 19335 * typically used when someone requested 19336 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19337 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19338 */ 19339 public PackageFreezer() { 19340 mPackageName = null; 19341 mChildren = null; 19342 mWeFroze = false; 19343 mCloseGuard.open("close"); 19344 } 19345 19346 public PackageFreezer(String packageName, String killReason) { 19347 synchronized (mPackages) { 19348 mPackageName = packageName; 19349 mWeFroze = mFrozenPackages.add(mPackageName); 19350 19351 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19352 if (ps != null) { 19353 killApplication(ps.name, ps.appId, killReason); 19354 } 19355 19356 final PackageParser.Package p = mPackages.get(packageName); 19357 if (p != null && p.childPackages != null) { 19358 final int N = p.childPackages.size(); 19359 mChildren = new PackageFreezer[N]; 19360 for (int i = 0; i < N; i++) { 19361 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19362 killReason); 19363 } 19364 } else { 19365 mChildren = null; 19366 } 19367 } 19368 mCloseGuard.open("close"); 19369 } 19370 19371 @Override 19372 protected void finalize() throws Throwable { 19373 try { 19374 mCloseGuard.warnIfOpen(); 19375 close(); 19376 } finally { 19377 super.finalize(); 19378 } 19379 } 19380 19381 @Override 19382 public void close() { 19383 mCloseGuard.close(); 19384 if (mClosed.compareAndSet(false, true)) { 19385 synchronized (mPackages) { 19386 if (mWeFroze) { 19387 mFrozenPackages.remove(mPackageName); 19388 } 19389 19390 if (mChildren != null) { 19391 for (PackageFreezer freezer : mChildren) { 19392 freezer.close(); 19393 } 19394 } 19395 } 19396 } 19397 } 19398 } 19399 19400 /** 19401 * Verify that given package is currently frozen. 19402 */ 19403 private void checkPackageFrozen(String packageName) { 19404 synchronized (mPackages) { 19405 if (!mFrozenPackages.contains(packageName)) { 19406 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19407 } 19408 } 19409 } 19410 19411 @Override 19412 public int movePackage(final String packageName, final String volumeUuid) { 19413 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19414 19415 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19416 final int moveId = mNextMoveId.getAndIncrement(); 19417 mHandler.post(new Runnable() { 19418 @Override 19419 public void run() { 19420 try { 19421 movePackageInternal(packageName, volumeUuid, moveId, user); 19422 } catch (PackageManagerException e) { 19423 Slog.w(TAG, "Failed to move " + packageName, e); 19424 mMoveCallbacks.notifyStatusChanged(moveId, 19425 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19426 } 19427 } 19428 }); 19429 return moveId; 19430 } 19431 19432 private void movePackageInternal(final String packageName, final String volumeUuid, 19433 final int moveId, UserHandle user) throws PackageManagerException { 19434 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19435 final PackageManager pm = mContext.getPackageManager(); 19436 19437 final boolean currentAsec; 19438 final String currentVolumeUuid; 19439 final File codeFile; 19440 final String installerPackageName; 19441 final String packageAbiOverride; 19442 final int appId; 19443 final String seinfo; 19444 final String label; 19445 final int targetSdkVersion; 19446 final PackageFreezer freezer; 19447 19448 // reader 19449 synchronized (mPackages) { 19450 final PackageParser.Package pkg = mPackages.get(packageName); 19451 final PackageSetting ps = mSettings.mPackages.get(packageName); 19452 if (pkg == null || ps == null) { 19453 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19454 } 19455 19456 if (pkg.applicationInfo.isSystemApp()) { 19457 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19458 "Cannot move system application"); 19459 } 19460 19461 if (pkg.applicationInfo.isExternalAsec()) { 19462 currentAsec = true; 19463 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19464 } else if (pkg.applicationInfo.isForwardLocked()) { 19465 currentAsec = true; 19466 currentVolumeUuid = "forward_locked"; 19467 } else { 19468 currentAsec = false; 19469 currentVolumeUuid = ps.volumeUuid; 19470 19471 final File probe = new File(pkg.codePath); 19472 final File probeOat = new File(probe, "oat"); 19473 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19474 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19475 "Move only supported for modern cluster style installs"); 19476 } 19477 } 19478 19479 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19480 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19481 "Package already moved to " + volumeUuid); 19482 } 19483 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19484 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19485 "Device admin cannot be moved"); 19486 } 19487 19488 if (mFrozenPackages.contains(packageName)) { 19489 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19490 "Failed to move already frozen package"); 19491 } 19492 19493 codeFile = new File(pkg.codePath); 19494 installerPackageName = ps.installerPackageName; 19495 packageAbiOverride = ps.cpuAbiOverrideString; 19496 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19497 seinfo = pkg.applicationInfo.seinfo; 19498 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19499 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19500 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19501 } 19502 19503 final Bundle extras = new Bundle(); 19504 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19505 extras.putString(Intent.EXTRA_TITLE, label); 19506 mMoveCallbacks.notifyCreated(moveId, extras); 19507 19508 int installFlags; 19509 final boolean moveCompleteApp; 19510 final File measurePath; 19511 19512 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19513 installFlags = INSTALL_INTERNAL; 19514 moveCompleteApp = !currentAsec; 19515 measurePath = Environment.getDataAppDirectory(volumeUuid); 19516 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19517 installFlags = INSTALL_EXTERNAL; 19518 moveCompleteApp = false; 19519 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19520 } else { 19521 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19522 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19523 || !volume.isMountedWritable()) { 19524 freezer.close(); 19525 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19526 "Move location not mounted private volume"); 19527 } 19528 19529 Preconditions.checkState(!currentAsec); 19530 19531 installFlags = INSTALL_INTERNAL; 19532 moveCompleteApp = true; 19533 measurePath = Environment.getDataAppDirectory(volumeUuid); 19534 } 19535 19536 final PackageStats stats = new PackageStats(null, -1); 19537 synchronized (mInstaller) { 19538 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19539 freezer.close(); 19540 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19541 "Failed to measure package size"); 19542 } 19543 } 19544 19545 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19546 + stats.dataSize); 19547 19548 final long startFreeBytes = measurePath.getFreeSpace(); 19549 final long sizeBytes; 19550 if (moveCompleteApp) { 19551 sizeBytes = stats.codeSize + stats.dataSize; 19552 } else { 19553 sizeBytes = stats.codeSize; 19554 } 19555 19556 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19557 freezer.close(); 19558 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19559 "Not enough free space to move"); 19560 } 19561 19562 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19563 19564 final CountDownLatch installedLatch = new CountDownLatch(1); 19565 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19566 @Override 19567 public void onUserActionRequired(Intent intent) throws RemoteException { 19568 throw new IllegalStateException(); 19569 } 19570 19571 @Override 19572 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19573 Bundle extras) throws RemoteException { 19574 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19575 + PackageManager.installStatusToString(returnCode, msg)); 19576 19577 installedLatch.countDown(); 19578 freezer.close(); 19579 19580 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19581 switch (status) { 19582 case PackageInstaller.STATUS_SUCCESS: 19583 mMoveCallbacks.notifyStatusChanged(moveId, 19584 PackageManager.MOVE_SUCCEEDED); 19585 break; 19586 case PackageInstaller.STATUS_FAILURE_STORAGE: 19587 mMoveCallbacks.notifyStatusChanged(moveId, 19588 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19589 break; 19590 default: 19591 mMoveCallbacks.notifyStatusChanged(moveId, 19592 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19593 break; 19594 } 19595 } 19596 }; 19597 19598 final MoveInfo move; 19599 if (moveCompleteApp) { 19600 // Kick off a thread to report progress estimates 19601 new Thread() { 19602 @Override 19603 public void run() { 19604 while (true) { 19605 try { 19606 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19607 break; 19608 } 19609 } catch (InterruptedException ignored) { 19610 } 19611 19612 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19613 final int progress = 10 + (int) MathUtils.constrain( 19614 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19615 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19616 } 19617 } 19618 }.start(); 19619 19620 final String dataAppName = codeFile.getName(); 19621 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19622 dataAppName, appId, seinfo, targetSdkVersion); 19623 } else { 19624 move = null; 19625 } 19626 19627 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19628 19629 final Message msg = mHandler.obtainMessage(INIT_COPY); 19630 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19631 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19632 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19633 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19634 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19635 msg.obj = params; 19636 19637 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19638 System.identityHashCode(msg.obj)); 19639 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19640 System.identityHashCode(msg.obj)); 19641 19642 mHandler.sendMessage(msg); 19643 } 19644 19645 @Override 19646 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19647 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19648 19649 final int realMoveId = mNextMoveId.getAndIncrement(); 19650 final Bundle extras = new Bundle(); 19651 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19652 mMoveCallbacks.notifyCreated(realMoveId, extras); 19653 19654 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19655 @Override 19656 public void onCreated(int moveId, Bundle extras) { 19657 // Ignored 19658 } 19659 19660 @Override 19661 public void onStatusChanged(int moveId, int status, long estMillis) { 19662 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19663 } 19664 }; 19665 19666 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19667 storage.setPrimaryStorageUuid(volumeUuid, callback); 19668 return realMoveId; 19669 } 19670 19671 @Override 19672 public int getMoveStatus(int moveId) { 19673 mContext.enforceCallingOrSelfPermission( 19674 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19675 return mMoveCallbacks.mLastStatus.get(moveId); 19676 } 19677 19678 @Override 19679 public void registerMoveCallback(IPackageMoveObserver callback) { 19680 mContext.enforceCallingOrSelfPermission( 19681 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19682 mMoveCallbacks.register(callback); 19683 } 19684 19685 @Override 19686 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19687 mContext.enforceCallingOrSelfPermission( 19688 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19689 mMoveCallbacks.unregister(callback); 19690 } 19691 19692 @Override 19693 public boolean setInstallLocation(int loc) { 19694 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19695 null); 19696 if (getInstallLocation() == loc) { 19697 return true; 19698 } 19699 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19700 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19701 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19702 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19703 return true; 19704 } 19705 return false; 19706 } 19707 19708 @Override 19709 public int getInstallLocation() { 19710 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19711 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19712 PackageHelper.APP_INSTALL_AUTO); 19713 } 19714 19715 /** Called by UserManagerService */ 19716 void cleanUpUser(UserManagerService userManager, int userHandle) { 19717 synchronized (mPackages) { 19718 mDirtyUsers.remove(userHandle); 19719 mUserNeedsBadging.delete(userHandle); 19720 mSettings.removeUserLPw(userHandle); 19721 mPendingBroadcasts.remove(userHandle); 19722 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19723 removeUnusedPackagesLPw(userManager, userHandle); 19724 } 19725 } 19726 19727 /** 19728 * We're removing userHandle and would like to remove any downloaded packages 19729 * that are no longer in use by any other user. 19730 * @param userHandle the user being removed 19731 */ 19732 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19733 final boolean DEBUG_CLEAN_APKS = false; 19734 int [] users = userManager.getUserIds(); 19735 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19736 while (psit.hasNext()) { 19737 PackageSetting ps = psit.next(); 19738 if (ps.pkg == null) { 19739 continue; 19740 } 19741 final String packageName = ps.pkg.packageName; 19742 // Skip over if system app 19743 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19744 continue; 19745 } 19746 if (DEBUG_CLEAN_APKS) { 19747 Slog.i(TAG, "Checking package " + packageName); 19748 } 19749 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19750 if (keep) { 19751 if (DEBUG_CLEAN_APKS) { 19752 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19753 } 19754 } else { 19755 for (int i = 0; i < users.length; i++) { 19756 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19757 keep = true; 19758 if (DEBUG_CLEAN_APKS) { 19759 Slog.i(TAG, " Keeping package " + packageName + " for user " 19760 + users[i]); 19761 } 19762 break; 19763 } 19764 } 19765 } 19766 if (!keep) { 19767 if (DEBUG_CLEAN_APKS) { 19768 Slog.i(TAG, " Removing package " + packageName); 19769 } 19770 mHandler.post(new Runnable() { 19771 public void run() { 19772 deletePackageX(packageName, userHandle, 0); 19773 } //end run 19774 }); 19775 } 19776 } 19777 } 19778 19779 /** Called by UserManagerService */ 19780 void createNewUser(int userHandle) { 19781 synchronized (mInstallLock) { 19782 mSettings.createNewUserLI(this, mInstaller, userHandle); 19783 } 19784 synchronized (mPackages) { 19785 applyFactoryDefaultBrowserLPw(userHandle); 19786 primeDomainVerificationsLPw(userHandle); 19787 } 19788 } 19789 19790 void newUserCreated(final int userHandle) { 19791 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19792 // If permission review for legacy apps is required, we represent 19793 // dagerous permissions for such apps as always granted runtime 19794 // permissions to keep per user flag state whether review is needed. 19795 // Hence, if a new user is added we have to propagate dangerous 19796 // permission grants for these legacy apps. 19797 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19798 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19799 | UPDATE_PERMISSIONS_REPLACE_ALL); 19800 } 19801 } 19802 19803 @Override 19804 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19805 mContext.enforceCallingOrSelfPermission( 19806 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19807 "Only package verification agents can read the verifier device identity"); 19808 19809 synchronized (mPackages) { 19810 return mSettings.getVerifierDeviceIdentityLPw(); 19811 } 19812 } 19813 19814 @Override 19815 public void setPermissionEnforced(String permission, boolean enforced) { 19816 // TODO: Now that we no longer change GID for storage, this should to away. 19817 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19818 "setPermissionEnforced"); 19819 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19820 synchronized (mPackages) { 19821 if (mSettings.mReadExternalStorageEnforced == null 19822 || mSettings.mReadExternalStorageEnforced != enforced) { 19823 mSettings.mReadExternalStorageEnforced = enforced; 19824 mSettings.writeLPr(); 19825 } 19826 } 19827 // kill any non-foreground processes so we restart them and 19828 // grant/revoke the GID. 19829 final IActivityManager am = ActivityManagerNative.getDefault(); 19830 if (am != null) { 19831 final long token = Binder.clearCallingIdentity(); 19832 try { 19833 am.killProcessesBelowForeground("setPermissionEnforcement"); 19834 } catch (RemoteException e) { 19835 } finally { 19836 Binder.restoreCallingIdentity(token); 19837 } 19838 } 19839 } else { 19840 throw new IllegalArgumentException("No selective enforcement for " + permission); 19841 } 19842 } 19843 19844 @Override 19845 @Deprecated 19846 public boolean isPermissionEnforced(String permission) { 19847 return true; 19848 } 19849 19850 @Override 19851 public boolean isStorageLow() { 19852 final long token = Binder.clearCallingIdentity(); 19853 try { 19854 final DeviceStorageMonitorInternal 19855 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19856 if (dsm != null) { 19857 return dsm.isMemoryLow(); 19858 } else { 19859 return false; 19860 } 19861 } finally { 19862 Binder.restoreCallingIdentity(token); 19863 } 19864 } 19865 19866 @Override 19867 public IPackageInstaller getPackageInstaller() { 19868 return mInstallerService; 19869 } 19870 19871 private boolean userNeedsBadging(int userId) { 19872 int index = mUserNeedsBadging.indexOfKey(userId); 19873 if (index < 0) { 19874 final UserInfo userInfo; 19875 final long token = Binder.clearCallingIdentity(); 19876 try { 19877 userInfo = sUserManager.getUserInfo(userId); 19878 } finally { 19879 Binder.restoreCallingIdentity(token); 19880 } 19881 final boolean b; 19882 if (userInfo != null && userInfo.isManagedProfile()) { 19883 b = true; 19884 } else { 19885 b = false; 19886 } 19887 mUserNeedsBadging.put(userId, b); 19888 return b; 19889 } 19890 return mUserNeedsBadging.valueAt(index); 19891 } 19892 19893 @Override 19894 public KeySet getKeySetByAlias(String packageName, String alias) { 19895 if (packageName == null || alias == null) { 19896 return null; 19897 } 19898 synchronized(mPackages) { 19899 final PackageParser.Package pkg = mPackages.get(packageName); 19900 if (pkg == null) { 19901 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19902 throw new IllegalArgumentException("Unknown package: " + packageName); 19903 } 19904 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19905 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19906 } 19907 } 19908 19909 @Override 19910 public KeySet getSigningKeySet(String packageName) { 19911 if (packageName == null) { 19912 return null; 19913 } 19914 synchronized(mPackages) { 19915 final PackageParser.Package pkg = mPackages.get(packageName); 19916 if (pkg == null) { 19917 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19918 throw new IllegalArgumentException("Unknown package: " + packageName); 19919 } 19920 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19921 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19922 throw new SecurityException("May not access signing KeySet of other apps."); 19923 } 19924 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19925 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19926 } 19927 } 19928 19929 @Override 19930 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19931 if (packageName == null || ks == null) { 19932 return false; 19933 } 19934 synchronized(mPackages) { 19935 final PackageParser.Package pkg = mPackages.get(packageName); 19936 if (pkg == null) { 19937 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19938 throw new IllegalArgumentException("Unknown package: " + packageName); 19939 } 19940 IBinder ksh = ks.getToken(); 19941 if (ksh instanceof KeySetHandle) { 19942 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19943 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19944 } 19945 return false; 19946 } 19947 } 19948 19949 @Override 19950 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19951 if (packageName == null || ks == null) { 19952 return false; 19953 } 19954 synchronized(mPackages) { 19955 final PackageParser.Package pkg = mPackages.get(packageName); 19956 if (pkg == null) { 19957 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19958 throw new IllegalArgumentException("Unknown package: " + packageName); 19959 } 19960 IBinder ksh = ks.getToken(); 19961 if (ksh instanceof KeySetHandle) { 19962 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19963 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19964 } 19965 return false; 19966 } 19967 } 19968 19969 private void deletePackageIfUnusedLPr(final String packageName) { 19970 PackageSetting ps = mSettings.mPackages.get(packageName); 19971 if (ps == null) { 19972 return; 19973 } 19974 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19975 // TODO Implement atomic delete if package is unused 19976 // It is currently possible that the package will be deleted even if it is installed 19977 // after this method returns. 19978 mHandler.post(new Runnable() { 19979 public void run() { 19980 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19981 } 19982 }); 19983 } 19984 } 19985 19986 /** 19987 * Check and throw if the given before/after packages would be considered a 19988 * downgrade. 19989 */ 19990 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19991 throws PackageManagerException { 19992 if (after.versionCode < before.mVersionCode) { 19993 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19994 "Update version code " + after.versionCode + " is older than current " 19995 + before.mVersionCode); 19996 } else if (after.versionCode == before.mVersionCode) { 19997 if (after.baseRevisionCode < before.baseRevisionCode) { 19998 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19999 "Update base revision code " + after.baseRevisionCode 20000 + " is older than current " + before.baseRevisionCode); 20001 } 20002 20003 if (!ArrayUtils.isEmpty(after.splitNames)) { 20004 for (int i = 0; i < after.splitNames.length; i++) { 20005 final String splitName = after.splitNames[i]; 20006 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20007 if (j != -1) { 20008 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20009 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20010 "Update split " + splitName + " revision code " 20011 + after.splitRevisionCodes[i] + " is older than current " 20012 + before.splitRevisionCodes[j]); 20013 } 20014 } 20015 } 20016 } 20017 } 20018 } 20019 20020 private static class MoveCallbacks extends Handler { 20021 private static final int MSG_CREATED = 1; 20022 private static final int MSG_STATUS_CHANGED = 2; 20023 20024 private final RemoteCallbackList<IPackageMoveObserver> 20025 mCallbacks = new RemoteCallbackList<>(); 20026 20027 private final SparseIntArray mLastStatus = new SparseIntArray(); 20028 20029 public MoveCallbacks(Looper looper) { 20030 super(looper); 20031 } 20032 20033 public void register(IPackageMoveObserver callback) { 20034 mCallbacks.register(callback); 20035 } 20036 20037 public void unregister(IPackageMoveObserver callback) { 20038 mCallbacks.unregister(callback); 20039 } 20040 20041 @Override 20042 public void handleMessage(Message msg) { 20043 final SomeArgs args = (SomeArgs) msg.obj; 20044 final int n = mCallbacks.beginBroadcast(); 20045 for (int i = 0; i < n; i++) { 20046 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20047 try { 20048 invokeCallback(callback, msg.what, args); 20049 } catch (RemoteException ignored) { 20050 } 20051 } 20052 mCallbacks.finishBroadcast(); 20053 args.recycle(); 20054 } 20055 20056 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20057 throws RemoteException { 20058 switch (what) { 20059 case MSG_CREATED: { 20060 callback.onCreated(args.argi1, (Bundle) args.arg2); 20061 break; 20062 } 20063 case MSG_STATUS_CHANGED: { 20064 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20065 break; 20066 } 20067 } 20068 } 20069 20070 private void notifyCreated(int moveId, Bundle extras) { 20071 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20072 20073 final SomeArgs args = SomeArgs.obtain(); 20074 args.argi1 = moveId; 20075 args.arg2 = extras; 20076 obtainMessage(MSG_CREATED, args).sendToTarget(); 20077 } 20078 20079 private void notifyStatusChanged(int moveId, int status) { 20080 notifyStatusChanged(moveId, status, -1); 20081 } 20082 20083 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20084 Slog.v(TAG, "Move " + moveId + " status " + status); 20085 20086 final SomeArgs args = SomeArgs.obtain(); 20087 args.argi1 = moveId; 20088 args.argi2 = status; 20089 args.arg3 = estMillis; 20090 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20091 20092 synchronized (mLastStatus) { 20093 mLastStatus.put(moveId, status); 20094 } 20095 } 20096 } 20097 20098 private final static class OnPermissionChangeListeners extends Handler { 20099 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20100 20101 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20102 new RemoteCallbackList<>(); 20103 20104 public OnPermissionChangeListeners(Looper looper) { 20105 super(looper); 20106 } 20107 20108 @Override 20109 public void handleMessage(Message msg) { 20110 switch (msg.what) { 20111 case MSG_ON_PERMISSIONS_CHANGED: { 20112 final int uid = msg.arg1; 20113 handleOnPermissionsChanged(uid); 20114 } break; 20115 } 20116 } 20117 20118 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20119 mPermissionListeners.register(listener); 20120 20121 } 20122 20123 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20124 mPermissionListeners.unregister(listener); 20125 } 20126 20127 public void onPermissionsChanged(int uid) { 20128 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20129 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20130 } 20131 } 20132 20133 private void handleOnPermissionsChanged(int uid) { 20134 final int count = mPermissionListeners.beginBroadcast(); 20135 try { 20136 for (int i = 0; i < count; i++) { 20137 IOnPermissionsChangeListener callback = mPermissionListeners 20138 .getBroadcastItem(i); 20139 try { 20140 callback.onPermissionsChanged(uid); 20141 } catch (RemoteException e) { 20142 Log.e(TAG, "Permission listener is dead", e); 20143 } 20144 } 20145 } finally { 20146 mPermissionListeners.finishBroadcast(); 20147 } 20148 } 20149 } 20150 20151 private class PackageManagerInternalImpl extends PackageManagerInternal { 20152 @Override 20153 public void setLocationPackagesProvider(PackagesProvider provider) { 20154 synchronized (mPackages) { 20155 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20156 } 20157 } 20158 20159 @Override 20160 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20161 synchronized (mPackages) { 20162 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20163 } 20164 } 20165 20166 @Override 20167 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20168 synchronized (mPackages) { 20169 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20170 } 20171 } 20172 20173 @Override 20174 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20175 synchronized (mPackages) { 20176 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20177 } 20178 } 20179 20180 @Override 20181 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20182 synchronized (mPackages) { 20183 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20184 } 20185 } 20186 20187 @Override 20188 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20189 synchronized (mPackages) { 20190 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20191 } 20192 } 20193 20194 @Override 20195 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20196 synchronized (mPackages) { 20197 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20198 packageName, userId); 20199 } 20200 } 20201 20202 @Override 20203 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20204 synchronized (mPackages) { 20205 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20206 packageName, userId); 20207 } 20208 } 20209 20210 @Override 20211 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20212 synchronized (mPackages) { 20213 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20214 packageName, userId); 20215 } 20216 } 20217 20218 @Override 20219 public void setKeepUninstalledPackages(final List<String> packageList) { 20220 Preconditions.checkNotNull(packageList); 20221 List<String> removedFromList = null; 20222 synchronized (mPackages) { 20223 if (mKeepUninstalledPackages != null) { 20224 final int packagesCount = mKeepUninstalledPackages.size(); 20225 for (int i = 0; i < packagesCount; i++) { 20226 String oldPackage = mKeepUninstalledPackages.get(i); 20227 if (packageList != null && packageList.contains(oldPackage)) { 20228 continue; 20229 } 20230 if (removedFromList == null) { 20231 removedFromList = new ArrayList<>(); 20232 } 20233 removedFromList.add(oldPackage); 20234 } 20235 } 20236 mKeepUninstalledPackages = new ArrayList<>(packageList); 20237 if (removedFromList != null) { 20238 final int removedCount = removedFromList.size(); 20239 for (int i = 0; i < removedCount; i++) { 20240 deletePackageIfUnusedLPr(removedFromList.get(i)); 20241 } 20242 } 20243 } 20244 } 20245 20246 @Override 20247 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20248 synchronized (mPackages) { 20249 // If we do not support permission review, done. 20250 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20251 return false; 20252 } 20253 20254 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20255 if (packageSetting == null) { 20256 return false; 20257 } 20258 20259 // Permission review applies only to apps not supporting the new permission model. 20260 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20261 return false; 20262 } 20263 20264 // Legacy apps have the permission and get user consent on launch. 20265 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20266 return permissionsState.isPermissionReviewRequired(userId); 20267 } 20268 } 20269 20270 @Override 20271 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20272 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20273 } 20274 20275 @Override 20276 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20277 int userId) { 20278 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20279 } 20280 } 20281 20282 @Override 20283 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20284 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20285 synchronized (mPackages) { 20286 final long identity = Binder.clearCallingIdentity(); 20287 try { 20288 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20289 packageNames, userId); 20290 } finally { 20291 Binder.restoreCallingIdentity(identity); 20292 } 20293 } 20294 } 20295 20296 private static void enforceSystemOrPhoneCaller(String tag) { 20297 int callingUid = Binder.getCallingUid(); 20298 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20299 throw new SecurityException( 20300 "Cannot call " + tag + " from UID " + callingUid); 20301 } 20302 } 20303 20304 boolean isHistoricalPackageUsageAvailable() { 20305 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20306 } 20307 20308 /** 20309 * Return a <b>copy</b> of the collection of packages known to the package manager. 20310 * @return A copy of the values of mPackages. 20311 */ 20312 Collection<PackageParser.Package> getPackages() { 20313 synchronized (mPackages) { 20314 return new ArrayList<>(mPackages.values()); 20315 } 20316 } 20317 20318 /** 20319 * Logs process start information (including base APK hash) to the security log. 20320 * @hide 20321 */ 20322 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20323 String apkFile, int pid) { 20324 if (!SecurityLog.isLoggingEnabled()) { 20325 return; 20326 } 20327 Bundle data = new Bundle(); 20328 data.putLong("startTimestamp", System.currentTimeMillis()); 20329 data.putString("processName", processName); 20330 data.putInt("uid", uid); 20331 data.putString("seinfo", seinfo); 20332 data.putString("apkFile", apkFile); 20333 data.putInt("pid", pid); 20334 Message msg = mProcessLoggingHandler.obtainMessage( 20335 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20336 msg.setData(data); 20337 mProcessLoggingHandler.sendMessage(msg); 20338 } 20339} 20340