PackageManagerService.java revision 0e9e5ea58600a7b6aed1b307affdc400bfa9b33b
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 PLATFORM_PACKAGE_NAME = "android"; 441 442 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 443 444 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 445 DEFAULT_CONTAINER_PACKAGE, 446 "com.android.defcontainer.DefaultContainerService"); 447 448 private static final String KILL_APP_REASON_GIDS_CHANGED = 449 "permission grant or revoke changed gids"; 450 451 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 452 "permissions revoked"; 453 454 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 455 456 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 457 458 /** Permission grant: not grant the permission. */ 459 private static final int GRANT_DENIED = 1; 460 461 /** Permission grant: grant the permission as an install permission. */ 462 private static final int GRANT_INSTALL = 2; 463 464 /** Permission grant: grant the permission as a runtime one. */ 465 private static final int GRANT_RUNTIME = 3; 466 467 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 468 private static final int GRANT_UPGRADE = 4; 469 470 /** Canonical intent used to identify what counts as a "web browser" app */ 471 private static final Intent sBrowserIntent; 472 static { 473 sBrowserIntent = new Intent(); 474 sBrowserIntent.setAction(Intent.ACTION_VIEW); 475 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 476 sBrowserIntent.setData(Uri.parse("http:")); 477 } 478 479 /** 480 * The set of all protected actions [i.e. those actions for which a high priority 481 * intent filter is disallowed]. 482 */ 483 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 484 static { 485 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 486 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 487 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 488 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 489 } 490 491 // Compilation reasons. 492 public static final int REASON_FIRST_BOOT = 0; 493 public static final int REASON_BOOT = 1; 494 public static final int REASON_INSTALL = 2; 495 public static final int REASON_BACKGROUND_DEXOPT = 3; 496 public static final int REASON_AB_OTA = 4; 497 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 498 public static final int REASON_SHARED_APK = 6; 499 public static final int REASON_FORCED_DEXOPT = 7; 500 501 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 502 503 /** Special library name that skips shared libraries check during compilation. */ 504 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 505 506 final ServiceThread mHandlerThread; 507 508 final PackageHandler mHandler; 509 510 private final ProcessLoggingHandler mProcessLoggingHandler; 511 512 /** 513 * Messages for {@link #mHandler} that need to wait for system ready before 514 * being dispatched. 515 */ 516 private ArrayList<Message> mPostSystemReadyMessages; 517 518 final int mSdkVersion = Build.VERSION.SDK_INT; 519 520 final Context mContext; 521 final boolean mFactoryTest; 522 final boolean mOnlyCore; 523 final DisplayMetrics mMetrics; 524 final int mDefParseFlags; 525 final String[] mSeparateProcesses; 526 final boolean mIsUpgrade; 527 final boolean mIsPreNUpgrade; 528 529 /** The location for ASEC container files on internal storage. */ 530 final String mAsecInternalPath; 531 532 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 533 // LOCK HELD. Can be called with mInstallLock held. 534 @GuardedBy("mInstallLock") 535 final Installer mInstaller; 536 537 /** Directory where installed third-party apps stored */ 538 final File mAppInstallDir; 539 final File mEphemeralInstallDir; 540 541 /** 542 * Directory to which applications installed internally have their 543 * 32 bit native libraries copied. 544 */ 545 private File mAppLib32InstallDir; 546 547 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 548 // apps. 549 final File mDrmAppPrivateInstallDir; 550 551 // ---------------------------------------------------------------- 552 553 // Lock for state used when installing and doing other long running 554 // operations. Methods that must be called with this lock held have 555 // the suffix "LI". 556 final Object mInstallLock = new Object(); 557 558 // ---------------------------------------------------------------- 559 560 // Keys are String (package name), values are Package. This also serves 561 // as the lock for the global state. Methods that must be called with 562 // this lock held have the prefix "LP". 563 @GuardedBy("mPackages") 564 final ArrayMap<String, PackageParser.Package> mPackages = 565 new ArrayMap<String, PackageParser.Package>(); 566 567 final ArrayMap<String, Set<String>> mKnownCodebase = 568 new ArrayMap<String, Set<String>>(); 569 570 // Tracks available target package names -> overlay package paths. 571 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 572 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 573 574 /** 575 * Tracks new system packages [received in an OTA] that we expect to 576 * find updated user-installed versions. Keys are package name, values 577 * are package location. 578 */ 579 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 580 /** 581 * Tracks high priority intent filters for protected actions. During boot, certain 582 * filter actions are protected and should never be allowed to have a high priority 583 * intent filter for them. However, there is one, and only one exception -- the 584 * setup wizard. It must be able to define a high priority intent filter for these 585 * actions to ensure there are no escapes from the wizard. We need to delay processing 586 * of these during boot as we need to look at all of the system packages in order 587 * to know which component is the setup wizard. 588 */ 589 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 590 /** 591 * Whether or not processing protected filters should be deferred. 592 */ 593 private boolean mDeferProtectedFilters = true; 594 595 /** 596 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 597 */ 598 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 599 /** 600 * Whether or not system app permissions should be promoted from install to runtime. 601 */ 602 boolean mPromoteSystemApps; 603 604 @GuardedBy("mPackages") 605 final Settings mSettings; 606 607 /** 608 * Set of package names that are currently "frozen", which means active 609 * surgery is being done on the code/data for that package. The platform 610 * will refuse to launch frozen packages to avoid race conditions. 611 * 612 * @see PackageFreezer 613 */ 614 @GuardedBy("mPackages") 615 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 616 617 boolean mRestoredSettings; 618 619 // System configuration read by SystemConfig. 620 final int[] mGlobalGids; 621 final SparseArray<ArraySet<String>> mSystemPermissions; 622 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 623 624 // If mac_permissions.xml was found for seinfo labeling. 625 boolean mFoundPolicyFile; 626 627 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 628 629 public static final class SharedLibraryEntry { 630 public final String path; 631 public final String apk; 632 633 SharedLibraryEntry(String _path, String _apk) { 634 path = _path; 635 apk = _apk; 636 } 637 } 638 639 // Currently known shared libraries. 640 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 641 new ArrayMap<String, SharedLibraryEntry>(); 642 643 // All available activities, for your resolving pleasure. 644 final ActivityIntentResolver mActivities = 645 new ActivityIntentResolver(); 646 647 // All available receivers, for your resolving pleasure. 648 final ActivityIntentResolver mReceivers = 649 new ActivityIntentResolver(); 650 651 // All available services, for your resolving pleasure. 652 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 653 654 // All available providers, for your resolving pleasure. 655 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 656 657 // Mapping from provider base names (first directory in content URI codePath) 658 // to the provider information. 659 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 660 new ArrayMap<String, PackageParser.Provider>(); 661 662 // Mapping from instrumentation class names to info about them. 663 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 664 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 665 666 // Mapping from permission names to info about them. 667 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 668 new ArrayMap<String, PackageParser.PermissionGroup>(); 669 670 // Packages whose data we have transfered into another package, thus 671 // should no longer exist. 672 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 673 674 // Broadcast actions that are only available to the system. 675 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 676 677 /** List of packages waiting for verification. */ 678 final SparseArray<PackageVerificationState> mPendingVerification 679 = new SparseArray<PackageVerificationState>(); 680 681 /** Set of packages associated with each app op permission. */ 682 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 683 684 final PackageInstallerService mInstallerService; 685 686 private final PackageDexOptimizer mPackageDexOptimizer; 687 688 private AtomicInteger mNextMoveId = new AtomicInteger(); 689 private final MoveCallbacks mMoveCallbacks; 690 691 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 692 693 // Cache of users who need badging. 694 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 695 696 /** Token for keys in mPendingVerification. */ 697 private int mPendingVerificationToken = 0; 698 699 volatile boolean mSystemReady; 700 volatile boolean mSafeMode; 701 volatile boolean mHasSystemUidErrors; 702 703 ApplicationInfo mAndroidApplication; 704 final ActivityInfo mResolveActivity = new ActivityInfo(); 705 final ResolveInfo mResolveInfo = new ResolveInfo(); 706 ComponentName mResolveComponentName; 707 PackageParser.Package mPlatformPackage; 708 ComponentName mCustomResolverComponentName; 709 710 boolean mResolverReplaced = false; 711 712 private final @Nullable ComponentName mIntentFilterVerifierComponent; 713 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 714 715 private int mIntentFilterVerificationToken = 0; 716 717 /** Component that knows whether or not an ephemeral application exists */ 718 final ComponentName mEphemeralResolverComponent; 719 /** The service connection to the ephemeral resolver */ 720 final EphemeralResolverConnection mEphemeralResolverConnection; 721 722 /** Component used to install ephemeral applications */ 723 final ComponentName mEphemeralInstallerComponent; 724 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 725 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 726 727 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 728 = new SparseArray<IntentFilterVerificationState>(); 729 730 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 731 new DefaultPermissionGrantPolicy(this); 732 733 // List of packages names to keep cached, even if they are uninstalled for all users 734 private List<String> mKeepUninstalledPackages; 735 736 private static class IFVerificationParams { 737 PackageParser.Package pkg; 738 boolean replacing; 739 int userId; 740 int verifierUid; 741 742 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 743 int _userId, int _verifierUid) { 744 pkg = _pkg; 745 replacing = _replacing; 746 userId = _userId; 747 replacing = _replacing; 748 verifierUid = _verifierUid; 749 } 750 } 751 752 private interface IntentFilterVerifier<T extends IntentFilter> { 753 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 754 T filter, String packageName); 755 void startVerifications(int userId); 756 void receiveVerificationResponse(int verificationId); 757 } 758 759 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 760 private Context mContext; 761 private ComponentName mIntentFilterVerifierComponent; 762 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 763 764 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 765 mContext = context; 766 mIntentFilterVerifierComponent = verifierComponent; 767 } 768 769 private String getDefaultScheme() { 770 return IntentFilter.SCHEME_HTTPS; 771 } 772 773 @Override 774 public void startVerifications(int userId) { 775 // Launch verifications requests 776 int count = mCurrentIntentFilterVerifications.size(); 777 for (int n=0; n<count; n++) { 778 int verificationId = mCurrentIntentFilterVerifications.get(n); 779 final IntentFilterVerificationState ivs = 780 mIntentFilterVerificationStates.get(verificationId); 781 782 String packageName = ivs.getPackageName(); 783 784 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 785 final int filterCount = filters.size(); 786 ArraySet<String> domainsSet = new ArraySet<>(); 787 for (int m=0; m<filterCount; m++) { 788 PackageParser.ActivityIntentInfo filter = filters.get(m); 789 domainsSet.addAll(filter.getHostsList()); 790 } 791 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 792 synchronized (mPackages) { 793 if (mSettings.createIntentFilterVerificationIfNeededLPw( 794 packageName, domainsList) != null) { 795 scheduleWriteSettingsLocked(); 796 } 797 } 798 sendVerificationRequest(userId, verificationId, ivs); 799 } 800 mCurrentIntentFilterVerifications.clear(); 801 } 802 803 private void sendVerificationRequest(int userId, int verificationId, 804 IntentFilterVerificationState ivs) { 805 806 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 807 verificationIntent.putExtra( 808 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 809 verificationId); 810 verificationIntent.putExtra( 811 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 812 getDefaultScheme()); 813 verificationIntent.putExtra( 814 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 815 ivs.getHostsString()); 816 verificationIntent.putExtra( 817 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 818 ivs.getPackageName()); 819 verificationIntent.setComponent(mIntentFilterVerifierComponent); 820 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 821 822 UserHandle user = new UserHandle(userId); 823 mContext.sendBroadcastAsUser(verificationIntent, user); 824 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 825 "Sending IntentFilter verification broadcast"); 826 } 827 828 public void receiveVerificationResponse(int verificationId) { 829 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 830 831 final boolean verified = ivs.isVerified(); 832 833 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 834 final int count = filters.size(); 835 if (DEBUG_DOMAIN_VERIFICATION) { 836 Slog.i(TAG, "Received verification response " + verificationId 837 + " for " + count + " filters, verified=" + verified); 838 } 839 for (int n=0; n<count; n++) { 840 PackageParser.ActivityIntentInfo filter = filters.get(n); 841 filter.setVerified(verified); 842 843 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 844 + " verified with result:" + verified + " and hosts:" 845 + ivs.getHostsString()); 846 } 847 848 mIntentFilterVerificationStates.remove(verificationId); 849 850 final String packageName = ivs.getPackageName(); 851 IntentFilterVerificationInfo ivi = null; 852 853 synchronized (mPackages) { 854 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 855 } 856 if (ivi == null) { 857 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 858 + verificationId + " packageName:" + packageName); 859 return; 860 } 861 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 862 "Updating IntentFilterVerificationInfo for package " + packageName 863 +" verificationId:" + verificationId); 864 865 synchronized (mPackages) { 866 if (verified) { 867 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 868 } else { 869 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 870 } 871 scheduleWriteSettingsLocked(); 872 873 final int userId = ivs.getUserId(); 874 if (userId != UserHandle.USER_ALL) { 875 final int userStatus = 876 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 877 878 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 879 boolean needUpdate = false; 880 881 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 882 // already been set by the User thru the Disambiguation dialog 883 switch (userStatus) { 884 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 885 if (verified) { 886 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 887 } else { 888 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 889 } 890 needUpdate = true; 891 break; 892 893 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 894 if (verified) { 895 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 896 needUpdate = true; 897 } 898 break; 899 900 default: 901 // Nothing to do 902 } 903 904 if (needUpdate) { 905 mSettings.updateIntentFilterVerificationStatusLPw( 906 packageName, updatedStatus, userId); 907 scheduleWritePackageRestrictionsLocked(userId); 908 } 909 } 910 } 911 } 912 913 @Override 914 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 915 ActivityIntentInfo filter, String packageName) { 916 if (!hasValidDomains(filter)) { 917 return false; 918 } 919 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 920 if (ivs == null) { 921 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 922 packageName); 923 } 924 if (DEBUG_DOMAIN_VERIFICATION) { 925 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 926 } 927 ivs.addFilter(filter); 928 return true; 929 } 930 931 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 932 int userId, int verificationId, String packageName) { 933 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 934 verifierUid, userId, packageName); 935 ivs.setPendingState(); 936 synchronized (mPackages) { 937 mIntentFilterVerificationStates.append(verificationId, ivs); 938 mCurrentIntentFilterVerifications.add(verificationId); 939 } 940 return ivs; 941 } 942 } 943 944 private static boolean hasValidDomains(ActivityIntentInfo filter) { 945 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 946 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 947 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 948 } 949 950 // Set of pending broadcasts for aggregating enable/disable of components. 951 static class PendingPackageBroadcasts { 952 // for each user id, a map of <package name -> components within that package> 953 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 954 955 public PendingPackageBroadcasts() { 956 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 957 } 958 959 public ArrayList<String> get(int userId, String packageName) { 960 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 961 return packages.get(packageName); 962 } 963 964 public void put(int userId, String packageName, ArrayList<String> components) { 965 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 966 packages.put(packageName, components); 967 } 968 969 public void remove(int userId, String packageName) { 970 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 971 if (packages != null) { 972 packages.remove(packageName); 973 } 974 } 975 976 public void remove(int userId) { 977 mUidMap.remove(userId); 978 } 979 980 public int userIdCount() { 981 return mUidMap.size(); 982 } 983 984 public int userIdAt(int n) { 985 return mUidMap.keyAt(n); 986 } 987 988 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 989 return mUidMap.get(userId); 990 } 991 992 public int size() { 993 // total number of pending broadcast entries across all userIds 994 int num = 0; 995 for (int i = 0; i< mUidMap.size(); i++) { 996 num += mUidMap.valueAt(i).size(); 997 } 998 return num; 999 } 1000 1001 public void clear() { 1002 mUidMap.clear(); 1003 } 1004 1005 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1006 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1007 if (map == null) { 1008 map = new ArrayMap<String, ArrayList<String>>(); 1009 mUidMap.put(userId, map); 1010 } 1011 return map; 1012 } 1013 } 1014 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1015 1016 // Service Connection to remote media container service to copy 1017 // package uri's from external media onto secure containers 1018 // or internal storage. 1019 private IMediaContainerService mContainerService = null; 1020 1021 static final int SEND_PENDING_BROADCAST = 1; 1022 static final int MCS_BOUND = 3; 1023 static final int END_COPY = 4; 1024 static final int INIT_COPY = 5; 1025 static final int MCS_UNBIND = 6; 1026 static final int START_CLEANING_PACKAGE = 7; 1027 static final int FIND_INSTALL_LOC = 8; 1028 static final int POST_INSTALL = 9; 1029 static final int MCS_RECONNECT = 10; 1030 static final int MCS_GIVE_UP = 11; 1031 static final int UPDATED_MEDIA_STATUS = 12; 1032 static final int WRITE_SETTINGS = 13; 1033 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1034 static final int PACKAGE_VERIFIED = 15; 1035 static final int CHECK_PENDING_VERIFICATION = 16; 1036 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1037 static final int INTENT_FILTER_VERIFIED = 18; 1038 1039 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1040 1041 // Delay time in millisecs 1042 static final int BROADCAST_DELAY = 10 * 1000; 1043 1044 static UserManagerService sUserManager; 1045 1046 // Stores a list of users whose package restrictions file needs to be updated 1047 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1048 1049 final private DefaultContainerConnection mDefContainerConn = 1050 new DefaultContainerConnection(); 1051 class DefaultContainerConnection implements ServiceConnection { 1052 public void onServiceConnected(ComponentName name, IBinder service) { 1053 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1054 IMediaContainerService imcs = 1055 IMediaContainerService.Stub.asInterface(service); 1056 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1057 } 1058 1059 public void onServiceDisconnected(ComponentName name) { 1060 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1061 } 1062 } 1063 1064 // Recordkeeping of restore-after-install operations that are currently in flight 1065 // between the Package Manager and the Backup Manager 1066 static class PostInstallData { 1067 public InstallArgs args; 1068 public PackageInstalledInfo res; 1069 1070 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1071 args = _a; 1072 res = _r; 1073 } 1074 } 1075 1076 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1077 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1078 1079 // XML tags for backup/restore of various bits of state 1080 private static final String TAG_PREFERRED_BACKUP = "pa"; 1081 private static final String TAG_DEFAULT_APPS = "da"; 1082 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1083 1084 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1085 private static final String TAG_ALL_GRANTS = "rt-grants"; 1086 private static final String TAG_GRANT = "grant"; 1087 private static final String ATTR_PACKAGE_NAME = "pkg"; 1088 1089 private static final String TAG_PERMISSION = "perm"; 1090 private static final String ATTR_PERMISSION_NAME = "name"; 1091 private static final String ATTR_IS_GRANTED = "g"; 1092 private static final String ATTR_USER_SET = "set"; 1093 private static final String ATTR_USER_FIXED = "fixed"; 1094 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1095 1096 // System/policy permission grants are not backed up 1097 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1098 FLAG_PERMISSION_POLICY_FIXED 1099 | FLAG_PERMISSION_SYSTEM_FIXED 1100 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1101 1102 // And we back up these user-adjusted states 1103 private static final int USER_RUNTIME_GRANT_MASK = 1104 FLAG_PERMISSION_USER_SET 1105 | FLAG_PERMISSION_USER_FIXED 1106 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1107 1108 final @Nullable String mRequiredVerifierPackage; 1109 final @NonNull String mRequiredInstallerPackage; 1110 final @Nullable String mSetupWizardPackage; 1111 final @NonNull String mServicesSystemSharedLibraryPackageName; 1112 final @NonNull String mSharedSystemSharedLibraryPackageName; 1113 1114 private final PackageUsage mPackageUsage = new PackageUsage(); 1115 1116 private class PackageUsage { 1117 private static final int WRITE_INTERVAL 1118 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1119 1120 private final Object mFileLock = new Object(); 1121 private final AtomicLong mLastWritten = new AtomicLong(0); 1122 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1123 1124 private boolean mIsHistoricalPackageUsageAvailable = true; 1125 1126 boolean isHistoricalPackageUsageAvailable() { 1127 return mIsHistoricalPackageUsageAvailable; 1128 } 1129 1130 void write(boolean force) { 1131 if (force) { 1132 writeInternal(); 1133 return; 1134 } 1135 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1136 && !DEBUG_DEXOPT) { 1137 return; 1138 } 1139 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1140 new Thread("PackageUsage_DiskWriter") { 1141 @Override 1142 public void run() { 1143 try { 1144 writeInternal(); 1145 } finally { 1146 mBackgroundWriteRunning.set(false); 1147 } 1148 } 1149 }.start(); 1150 } 1151 } 1152 1153 private void writeInternal() { 1154 synchronized (mPackages) { 1155 synchronized (mFileLock) { 1156 AtomicFile file = getFile(); 1157 FileOutputStream f = null; 1158 try { 1159 f = file.startWrite(); 1160 BufferedOutputStream out = new BufferedOutputStream(f); 1161 FileUtils.setPermissions(file.getBaseFile().getPath(), 1162 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1163 StringBuilder sb = new StringBuilder(); 1164 1165 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1166 sb.append('\n'); 1167 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1168 1169 for (PackageParser.Package pkg : mPackages.values()) { 1170 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1171 continue; 1172 } 1173 sb.setLength(0); 1174 sb.append(pkg.packageName); 1175 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1176 sb.append(' '); 1177 sb.append(usageTimeInMillis); 1178 } 1179 sb.append('\n'); 1180 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1181 } 1182 out.flush(); 1183 file.finishWrite(f); 1184 } catch (IOException e) { 1185 if (f != null) { 1186 file.failWrite(f); 1187 } 1188 Log.e(TAG, "Failed to write package usage times", e); 1189 } 1190 } 1191 } 1192 mLastWritten.set(SystemClock.elapsedRealtime()); 1193 } 1194 1195 void readLP() { 1196 synchronized (mFileLock) { 1197 AtomicFile file = getFile(); 1198 BufferedInputStream in = null; 1199 try { 1200 in = new BufferedInputStream(file.openRead()); 1201 StringBuffer sb = new StringBuffer(); 1202 1203 String firstLine = readLine(in, sb); 1204 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1205 readVersion1LP(in, sb); 1206 } else { 1207 readVersion0LP(in, sb, firstLine); 1208 } 1209 } catch (FileNotFoundException expected) { 1210 mIsHistoricalPackageUsageAvailable = false; 1211 } catch (IOException e) { 1212 Log.w(TAG, "Failed to read package usage times", e); 1213 } finally { 1214 IoUtils.closeQuietly(in); 1215 } 1216 } 1217 mLastWritten.set(SystemClock.elapsedRealtime()); 1218 } 1219 1220 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1221 throws IOException { 1222 // Initial version of the file had no version number and stored one 1223 // package-timestamp pair per line. 1224 // Note that the first line has already been read from the InputStream. 1225 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1226 String[] tokens = line.split(" "); 1227 if (tokens.length != 2) { 1228 throw new IOException("Failed to parse " + line + 1229 " as package-timestamp pair."); 1230 } 1231 1232 String packageName = tokens[0]; 1233 PackageParser.Package pkg = mPackages.get(packageName); 1234 if (pkg == null) { 1235 continue; 1236 } 1237 1238 long timestamp = parseAsLong(tokens[1]); 1239 for (int reason = 0; 1240 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1241 reason++) { 1242 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1243 } 1244 } 1245 } 1246 1247 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1248 // Version 1 of the file started with the corresponding version 1249 // number and then stored a package name and eight timestamps per line. 1250 String line; 1251 while ((line = readLine(in, sb)) != null) { 1252 String[] tokens = line.split(" "); 1253 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1254 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1255 } 1256 1257 String packageName = tokens[0]; 1258 PackageParser.Package pkg = mPackages.get(packageName); 1259 if (pkg == null) { 1260 continue; 1261 } 1262 1263 for (int reason = 0; 1264 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1265 reason++) { 1266 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1267 } 1268 } 1269 } 1270 1271 private long parseAsLong(String token) throws IOException { 1272 try { 1273 return Long.parseLong(token); 1274 } catch (NumberFormatException e) { 1275 throw new IOException("Failed to parse " + token + " as a long.", e); 1276 } 1277 } 1278 1279 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1280 return readToken(in, sb, '\n'); 1281 } 1282 1283 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1284 throws IOException { 1285 sb.setLength(0); 1286 while (true) { 1287 int ch = in.read(); 1288 if (ch == -1) { 1289 if (sb.length() == 0) { 1290 return null; 1291 } 1292 throw new IOException("Unexpected EOF"); 1293 } 1294 if (ch == endOfToken) { 1295 return sb.toString(); 1296 } 1297 sb.append((char)ch); 1298 } 1299 } 1300 1301 private AtomicFile getFile() { 1302 File dataDir = Environment.getDataDirectory(); 1303 File systemDir = new File(dataDir, "system"); 1304 File fname = new File(systemDir, "package-usage.list"); 1305 return new AtomicFile(fname); 1306 } 1307 1308 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1309 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1310 } 1311 1312 class PackageHandler extends Handler { 1313 private boolean mBound = false; 1314 final ArrayList<HandlerParams> mPendingInstalls = 1315 new ArrayList<HandlerParams>(); 1316 1317 private boolean connectToService() { 1318 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1319 " DefaultContainerService"); 1320 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1321 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1322 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1323 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1324 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1325 mBound = true; 1326 return true; 1327 } 1328 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1329 return false; 1330 } 1331 1332 private void disconnectService() { 1333 mContainerService = null; 1334 mBound = false; 1335 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1336 mContext.unbindService(mDefContainerConn); 1337 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1338 } 1339 1340 PackageHandler(Looper looper) { 1341 super(looper); 1342 } 1343 1344 public void handleMessage(Message msg) { 1345 try { 1346 doHandleMessage(msg); 1347 } finally { 1348 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1349 } 1350 } 1351 1352 void doHandleMessage(Message msg) { 1353 switch (msg.what) { 1354 case INIT_COPY: { 1355 HandlerParams params = (HandlerParams) msg.obj; 1356 int idx = mPendingInstalls.size(); 1357 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1358 // If a bind was already initiated we dont really 1359 // need to do anything. The pending install 1360 // will be processed later on. 1361 if (!mBound) { 1362 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1363 System.identityHashCode(mHandler)); 1364 // If this is the only one pending we might 1365 // have to bind to the service again. 1366 if (!connectToService()) { 1367 Slog.e(TAG, "Failed to bind to media container service"); 1368 params.serviceError(); 1369 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1370 System.identityHashCode(mHandler)); 1371 if (params.traceMethod != null) { 1372 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1373 params.traceCookie); 1374 } 1375 return; 1376 } else { 1377 // Once we bind to the service, the first 1378 // pending request will be processed. 1379 mPendingInstalls.add(idx, params); 1380 } 1381 } else { 1382 mPendingInstalls.add(idx, params); 1383 // Already bound to the service. Just make 1384 // sure we trigger off processing the first request. 1385 if (idx == 0) { 1386 mHandler.sendEmptyMessage(MCS_BOUND); 1387 } 1388 } 1389 break; 1390 } 1391 case MCS_BOUND: { 1392 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1393 if (msg.obj != null) { 1394 mContainerService = (IMediaContainerService) msg.obj; 1395 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1396 System.identityHashCode(mHandler)); 1397 } 1398 if (mContainerService == null) { 1399 if (!mBound) { 1400 // Something seriously wrong since we are not bound and we are not 1401 // waiting for connection. Bail out. 1402 Slog.e(TAG, "Cannot bind to media container service"); 1403 for (HandlerParams params : mPendingInstalls) { 1404 // Indicate service bind error 1405 params.serviceError(); 1406 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1407 System.identityHashCode(params)); 1408 if (params.traceMethod != null) { 1409 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1410 params.traceMethod, params.traceCookie); 1411 } 1412 return; 1413 } 1414 mPendingInstalls.clear(); 1415 } else { 1416 Slog.w(TAG, "Waiting to connect to media container service"); 1417 } 1418 } else if (mPendingInstalls.size() > 0) { 1419 HandlerParams params = mPendingInstalls.get(0); 1420 if (params != null) { 1421 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1422 System.identityHashCode(params)); 1423 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1424 if (params.startCopy()) { 1425 // We are done... look for more work or to 1426 // go idle. 1427 if (DEBUG_SD_INSTALL) Log.i(TAG, 1428 "Checking for more work or unbind..."); 1429 // Delete pending install 1430 if (mPendingInstalls.size() > 0) { 1431 mPendingInstalls.remove(0); 1432 } 1433 if (mPendingInstalls.size() == 0) { 1434 if (mBound) { 1435 if (DEBUG_SD_INSTALL) Log.i(TAG, 1436 "Posting delayed MCS_UNBIND"); 1437 removeMessages(MCS_UNBIND); 1438 Message ubmsg = obtainMessage(MCS_UNBIND); 1439 // Unbind after a little delay, to avoid 1440 // continual thrashing. 1441 sendMessageDelayed(ubmsg, 10000); 1442 } 1443 } else { 1444 // There are more pending requests in queue. 1445 // Just post MCS_BOUND message to trigger processing 1446 // of next pending install. 1447 if (DEBUG_SD_INSTALL) Log.i(TAG, 1448 "Posting MCS_BOUND for next work"); 1449 mHandler.sendEmptyMessage(MCS_BOUND); 1450 } 1451 } 1452 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1453 } 1454 } else { 1455 // Should never happen ideally. 1456 Slog.w(TAG, "Empty queue"); 1457 } 1458 break; 1459 } 1460 case MCS_RECONNECT: { 1461 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1462 if (mPendingInstalls.size() > 0) { 1463 if (mBound) { 1464 disconnectService(); 1465 } 1466 if (!connectToService()) { 1467 Slog.e(TAG, "Failed to bind to media container service"); 1468 for (HandlerParams params : mPendingInstalls) { 1469 // Indicate service bind error 1470 params.serviceError(); 1471 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1472 System.identityHashCode(params)); 1473 } 1474 mPendingInstalls.clear(); 1475 } 1476 } 1477 break; 1478 } 1479 case MCS_UNBIND: { 1480 // If there is no actual work left, then time to unbind. 1481 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1482 1483 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1484 if (mBound) { 1485 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1486 1487 disconnectService(); 1488 } 1489 } else if (mPendingInstalls.size() > 0) { 1490 // There are more pending requests in queue. 1491 // Just post MCS_BOUND message to trigger processing 1492 // of next pending install. 1493 mHandler.sendEmptyMessage(MCS_BOUND); 1494 } 1495 1496 break; 1497 } 1498 case MCS_GIVE_UP: { 1499 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1500 HandlerParams params = mPendingInstalls.remove(0); 1501 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1502 System.identityHashCode(params)); 1503 break; 1504 } 1505 case SEND_PENDING_BROADCAST: { 1506 String packages[]; 1507 ArrayList<String> components[]; 1508 int size = 0; 1509 int uids[]; 1510 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1511 synchronized (mPackages) { 1512 if (mPendingBroadcasts == null) { 1513 return; 1514 } 1515 size = mPendingBroadcasts.size(); 1516 if (size <= 0) { 1517 // Nothing to be done. Just return 1518 return; 1519 } 1520 packages = new String[size]; 1521 components = new ArrayList[size]; 1522 uids = new int[size]; 1523 int i = 0; // filling out the above arrays 1524 1525 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1526 int packageUserId = mPendingBroadcasts.userIdAt(n); 1527 Iterator<Map.Entry<String, ArrayList<String>>> it 1528 = mPendingBroadcasts.packagesForUserId(packageUserId) 1529 .entrySet().iterator(); 1530 while (it.hasNext() && i < size) { 1531 Map.Entry<String, ArrayList<String>> ent = it.next(); 1532 packages[i] = ent.getKey(); 1533 components[i] = ent.getValue(); 1534 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1535 uids[i] = (ps != null) 1536 ? UserHandle.getUid(packageUserId, ps.appId) 1537 : -1; 1538 i++; 1539 } 1540 } 1541 size = i; 1542 mPendingBroadcasts.clear(); 1543 } 1544 // Send broadcasts 1545 for (int i = 0; i < size; i++) { 1546 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1547 } 1548 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1549 break; 1550 } 1551 case START_CLEANING_PACKAGE: { 1552 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1553 final String packageName = (String)msg.obj; 1554 final int userId = msg.arg1; 1555 final boolean andCode = msg.arg2 != 0; 1556 synchronized (mPackages) { 1557 if (userId == UserHandle.USER_ALL) { 1558 int[] users = sUserManager.getUserIds(); 1559 for (int user : users) { 1560 mSettings.addPackageToCleanLPw( 1561 new PackageCleanItem(user, packageName, andCode)); 1562 } 1563 } else { 1564 mSettings.addPackageToCleanLPw( 1565 new PackageCleanItem(userId, packageName, andCode)); 1566 } 1567 } 1568 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1569 startCleaningPackages(); 1570 } break; 1571 case POST_INSTALL: { 1572 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1573 1574 PostInstallData data = mRunningInstalls.get(msg.arg1); 1575 final boolean didRestore = (msg.arg2 != 0); 1576 mRunningInstalls.delete(msg.arg1); 1577 1578 if (data != null) { 1579 InstallArgs args = data.args; 1580 PackageInstalledInfo parentRes = data.res; 1581 1582 final boolean grantPermissions = (args.installFlags 1583 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1584 final boolean killApp = (args.installFlags 1585 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1586 final String[] grantedPermissions = args.installGrantPermissions; 1587 1588 // Handle the parent package 1589 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1590 grantedPermissions, didRestore, args.installerPackageName, 1591 args.observer); 1592 1593 // Handle the child packages 1594 final int childCount = (parentRes.addedChildPackages != null) 1595 ? parentRes.addedChildPackages.size() : 0; 1596 for (int i = 0; i < childCount; i++) { 1597 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1598 handlePackagePostInstall(childRes, grantPermissions, killApp, 1599 grantedPermissions, false, args.installerPackageName, 1600 args.observer); 1601 } 1602 1603 // Log tracing if needed 1604 if (args.traceMethod != null) { 1605 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1606 args.traceCookie); 1607 } 1608 } else { 1609 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1610 } 1611 1612 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1613 } break; 1614 case UPDATED_MEDIA_STATUS: { 1615 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1616 boolean reportStatus = msg.arg1 == 1; 1617 boolean doGc = msg.arg2 == 1; 1618 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1619 if (doGc) { 1620 // Force a gc to clear up stale containers. 1621 Runtime.getRuntime().gc(); 1622 } 1623 if (msg.obj != null) { 1624 @SuppressWarnings("unchecked") 1625 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1626 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1627 // Unload containers 1628 unloadAllContainers(args); 1629 } 1630 if (reportStatus) { 1631 try { 1632 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1633 PackageHelper.getMountService().finishMediaUpdate(); 1634 } catch (RemoteException e) { 1635 Log.e(TAG, "MountService not running?"); 1636 } 1637 } 1638 } break; 1639 case WRITE_SETTINGS: { 1640 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1641 synchronized (mPackages) { 1642 removeMessages(WRITE_SETTINGS); 1643 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1644 mSettings.writeLPr(); 1645 mDirtyUsers.clear(); 1646 } 1647 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1648 } break; 1649 case WRITE_PACKAGE_RESTRICTIONS: { 1650 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1651 synchronized (mPackages) { 1652 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1653 for (int userId : mDirtyUsers) { 1654 mSettings.writePackageRestrictionsLPr(userId); 1655 } 1656 mDirtyUsers.clear(); 1657 } 1658 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1659 } break; 1660 case CHECK_PENDING_VERIFICATION: { 1661 final int verificationId = msg.arg1; 1662 final PackageVerificationState state = mPendingVerification.get(verificationId); 1663 1664 if ((state != null) && !state.timeoutExtended()) { 1665 final InstallArgs args = state.getInstallArgs(); 1666 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1667 1668 Slog.i(TAG, "Verification timed out for " + originUri); 1669 mPendingVerification.remove(verificationId); 1670 1671 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1672 1673 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1674 Slog.i(TAG, "Continuing with installation of " + originUri); 1675 state.setVerifierResponse(Binder.getCallingUid(), 1676 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1677 broadcastPackageVerified(verificationId, originUri, 1678 PackageManager.VERIFICATION_ALLOW, 1679 state.getInstallArgs().getUser()); 1680 try { 1681 ret = args.copyApk(mContainerService, true); 1682 } catch (RemoteException e) { 1683 Slog.e(TAG, "Could not contact the ContainerService"); 1684 } 1685 } else { 1686 broadcastPackageVerified(verificationId, originUri, 1687 PackageManager.VERIFICATION_REJECT, 1688 state.getInstallArgs().getUser()); 1689 } 1690 1691 Trace.asyncTraceEnd( 1692 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1693 1694 processPendingInstall(args, ret); 1695 mHandler.sendEmptyMessage(MCS_UNBIND); 1696 } 1697 break; 1698 } 1699 case PACKAGE_VERIFIED: { 1700 final int verificationId = msg.arg1; 1701 1702 final PackageVerificationState state = mPendingVerification.get(verificationId); 1703 if (state == null) { 1704 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1705 break; 1706 } 1707 1708 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1709 1710 state.setVerifierResponse(response.callerUid, response.code); 1711 1712 if (state.isVerificationComplete()) { 1713 mPendingVerification.remove(verificationId); 1714 1715 final InstallArgs args = state.getInstallArgs(); 1716 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1717 1718 int ret; 1719 if (state.isInstallAllowed()) { 1720 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1721 broadcastPackageVerified(verificationId, originUri, 1722 response.code, state.getInstallArgs().getUser()); 1723 try { 1724 ret = args.copyApk(mContainerService, true); 1725 } catch (RemoteException e) { 1726 Slog.e(TAG, "Could not contact the ContainerService"); 1727 } 1728 } else { 1729 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1730 } 1731 1732 Trace.asyncTraceEnd( 1733 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1734 1735 processPendingInstall(args, ret); 1736 mHandler.sendEmptyMessage(MCS_UNBIND); 1737 } 1738 1739 break; 1740 } 1741 case START_INTENT_FILTER_VERIFICATIONS: { 1742 IFVerificationParams params = (IFVerificationParams) msg.obj; 1743 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1744 params.replacing, params.pkg); 1745 break; 1746 } 1747 case INTENT_FILTER_VERIFIED: { 1748 final int verificationId = msg.arg1; 1749 1750 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1751 verificationId); 1752 if (state == null) { 1753 Slog.w(TAG, "Invalid IntentFilter verification token " 1754 + verificationId + " received"); 1755 break; 1756 } 1757 1758 final int userId = state.getUserId(); 1759 1760 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1761 "Processing IntentFilter verification with token:" 1762 + verificationId + " and userId:" + userId); 1763 1764 final IntentFilterVerificationResponse response = 1765 (IntentFilterVerificationResponse) msg.obj; 1766 1767 state.setVerifierResponse(response.callerUid, response.code); 1768 1769 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1770 "IntentFilter verification with token:" + verificationId 1771 + " and userId:" + userId 1772 + " is settings verifier response with response code:" 1773 + response.code); 1774 1775 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1776 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1777 + response.getFailedDomainsString()); 1778 } 1779 1780 if (state.isVerificationComplete()) { 1781 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1782 } else { 1783 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1784 "IntentFilter verification with token:" + verificationId 1785 + " was not said to be complete"); 1786 } 1787 1788 break; 1789 } 1790 } 1791 } 1792 } 1793 1794 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1795 boolean killApp, String[] grantedPermissions, 1796 boolean launchedForRestore, String installerPackage, 1797 IPackageInstallObserver2 installObserver) { 1798 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1799 // Send the removed broadcasts 1800 if (res.removedInfo != null) { 1801 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1802 } 1803 1804 // Now that we successfully installed the package, grant runtime 1805 // permissions if requested before broadcasting the install. 1806 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1807 >= Build.VERSION_CODES.M) { 1808 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1809 } 1810 1811 final boolean update = res.removedInfo != null 1812 && res.removedInfo.removedPackage != null; 1813 1814 // If this is the first time we have child packages for a disabled privileged 1815 // app that had no children, we grant requested runtime permissions to the new 1816 // children if the parent on the system image had them already granted. 1817 if (res.pkg.parentPackage != null) { 1818 synchronized (mPackages) { 1819 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1820 } 1821 } 1822 1823 synchronized (mPackages) { 1824 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1825 } 1826 1827 final String packageName = res.pkg.applicationInfo.packageName; 1828 Bundle extras = new Bundle(1); 1829 extras.putInt(Intent.EXTRA_UID, res.uid); 1830 1831 // Determine the set of users who are adding this package for 1832 // the first time vs. those who are seeing an update. 1833 int[] firstUsers = EMPTY_INT_ARRAY; 1834 int[] updateUsers = EMPTY_INT_ARRAY; 1835 if (res.origUsers == null || res.origUsers.length == 0) { 1836 firstUsers = res.newUsers; 1837 } else { 1838 for (int newUser : res.newUsers) { 1839 boolean isNew = true; 1840 for (int origUser : res.origUsers) { 1841 if (origUser == newUser) { 1842 isNew = false; 1843 break; 1844 } 1845 } 1846 if (isNew) { 1847 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1848 } else { 1849 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1850 } 1851 } 1852 } 1853 1854 // Send installed broadcasts if the install/update is not ephemeral 1855 if (!isEphemeral(res.pkg)) { 1856 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1857 1858 // Send added for users that see the package for the first time 1859 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1860 extras, 0 /*flags*/, null /*targetPackage*/, 1861 null /*finishedReceiver*/, firstUsers); 1862 1863 // Send added for users that don't see the package for the first time 1864 if (update) { 1865 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1866 } 1867 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1868 extras, 0 /*flags*/, null /*targetPackage*/, 1869 null /*finishedReceiver*/, updateUsers); 1870 1871 // Send replaced for users that don't see the package for the first time 1872 if (update) { 1873 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1874 packageName, extras, 0 /*flags*/, 1875 null /*targetPackage*/, null /*finishedReceiver*/, 1876 updateUsers); 1877 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1878 null /*package*/, null /*extras*/, 0 /*flags*/, 1879 packageName /*targetPackage*/, 1880 null /*finishedReceiver*/, updateUsers); 1881 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1882 // First-install and we did a restore, so we're responsible for the 1883 // first-launch broadcast. 1884 if (DEBUG_BACKUP) { 1885 Slog.i(TAG, "Post-restore of " + packageName 1886 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1887 } 1888 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1889 } 1890 1891 // Send broadcast package appeared if forward locked/external for all users 1892 // treat asec-hosted packages like removable media on upgrade 1893 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1894 if (DEBUG_INSTALL) { 1895 Slog.i(TAG, "upgrading pkg " + res.pkg 1896 + " is ASEC-hosted -> AVAILABLE"); 1897 } 1898 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1899 ArrayList<String> pkgList = new ArrayList<>(1); 1900 pkgList.add(packageName); 1901 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1902 } 1903 } 1904 1905 // Work that needs to happen on first install within each user 1906 if (firstUsers != null && firstUsers.length > 0) { 1907 synchronized (mPackages) { 1908 for (int userId : firstUsers) { 1909 // If this app is a browser and it's newly-installed for some 1910 // users, clear any default-browser state in those users. The 1911 // app's nature doesn't depend on the user, so we can just check 1912 // its browser nature in any user and generalize. 1913 if (packageIsBrowser(packageName, userId)) { 1914 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1915 } 1916 1917 // We may also need to apply pending (restored) runtime 1918 // permission grants within these users. 1919 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1920 } 1921 } 1922 } 1923 1924 // Log current value of "unknown sources" setting 1925 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1926 getUnknownSourcesSettings()); 1927 1928 // Force a gc to clear up things 1929 Runtime.getRuntime().gc(); 1930 1931 // Remove the replaced package's older resources safely now 1932 // We delete after a gc for applications on sdcard. 1933 if (res.removedInfo != null && res.removedInfo.args != null) { 1934 synchronized (mInstallLock) { 1935 res.removedInfo.args.doPostDeleteLI(true); 1936 } 1937 } 1938 } 1939 1940 // If someone is watching installs - notify them 1941 if (installObserver != null) { 1942 try { 1943 Bundle extras = extrasForInstallResult(res); 1944 installObserver.onPackageInstalled(res.name, res.returnCode, 1945 res.returnMsg, extras); 1946 } catch (RemoteException e) { 1947 Slog.i(TAG, "Observer no longer exists."); 1948 } 1949 } 1950 } 1951 1952 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1953 PackageParser.Package pkg) { 1954 if (pkg.parentPackage == null) { 1955 return; 1956 } 1957 if (pkg.requestedPermissions == null) { 1958 return; 1959 } 1960 final PackageSetting disabledSysParentPs = mSettings 1961 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1962 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1963 || !disabledSysParentPs.isPrivileged() 1964 || (disabledSysParentPs.childPackageNames != null 1965 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1966 return; 1967 } 1968 final int[] allUserIds = sUserManager.getUserIds(); 1969 final int permCount = pkg.requestedPermissions.size(); 1970 for (int i = 0; i < permCount; i++) { 1971 String permission = pkg.requestedPermissions.get(i); 1972 BasePermission bp = mSettings.mPermissions.get(permission); 1973 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1974 continue; 1975 } 1976 for (int userId : allUserIds) { 1977 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1978 permission, userId)) { 1979 grantRuntimePermission(pkg.packageName, permission, userId); 1980 } 1981 } 1982 } 1983 } 1984 1985 private StorageEventListener mStorageListener = new StorageEventListener() { 1986 @Override 1987 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1988 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1989 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1990 final String volumeUuid = vol.getFsUuid(); 1991 1992 // Clean up any users or apps that were removed or recreated 1993 // while this volume was missing 1994 reconcileUsers(volumeUuid); 1995 reconcileApps(volumeUuid); 1996 1997 // Clean up any install sessions that expired or were 1998 // cancelled while this volume was missing 1999 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2000 2001 loadPrivatePackages(vol); 2002 2003 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2004 unloadPrivatePackages(vol); 2005 } 2006 } 2007 2008 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2009 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2010 updateExternalMediaStatus(true, false); 2011 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2012 updateExternalMediaStatus(false, false); 2013 } 2014 } 2015 } 2016 2017 @Override 2018 public void onVolumeForgotten(String fsUuid) { 2019 if (TextUtils.isEmpty(fsUuid)) { 2020 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2021 return; 2022 } 2023 2024 // Remove any apps installed on the forgotten volume 2025 synchronized (mPackages) { 2026 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2027 for (PackageSetting ps : packages) { 2028 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2029 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2030 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2031 } 2032 2033 mSettings.onVolumeForgotten(fsUuid); 2034 mSettings.writeLPr(); 2035 } 2036 } 2037 }; 2038 2039 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2040 String[] grantedPermissions) { 2041 for (int userId : userIds) { 2042 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2043 } 2044 2045 // We could have touched GID membership, so flush out packages.list 2046 synchronized (mPackages) { 2047 mSettings.writePackageListLPr(); 2048 } 2049 } 2050 2051 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2052 String[] grantedPermissions) { 2053 SettingBase sb = (SettingBase) pkg.mExtras; 2054 if (sb == null) { 2055 return; 2056 } 2057 2058 PermissionsState permissionsState = sb.getPermissionsState(); 2059 2060 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2061 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2062 2063 for (String permission : pkg.requestedPermissions) { 2064 final BasePermission bp; 2065 synchronized (mPackages) { 2066 bp = mSettings.mPermissions.get(permission); 2067 } 2068 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2069 && (grantedPermissions == null 2070 || ArrayUtils.contains(grantedPermissions, permission))) { 2071 final int flags = permissionsState.getPermissionFlags(permission, userId); 2072 // Installer cannot change immutable permissions. 2073 if ((flags & immutableFlags) == 0) { 2074 grantRuntimePermission(pkg.packageName, permission, userId); 2075 } 2076 } 2077 } 2078 } 2079 2080 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2081 Bundle extras = null; 2082 switch (res.returnCode) { 2083 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2084 extras = new Bundle(); 2085 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2086 res.origPermission); 2087 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2088 res.origPackage); 2089 break; 2090 } 2091 case PackageManager.INSTALL_SUCCEEDED: { 2092 extras = new Bundle(); 2093 extras.putBoolean(Intent.EXTRA_REPLACING, 2094 res.removedInfo != null && res.removedInfo.removedPackage != null); 2095 break; 2096 } 2097 } 2098 return extras; 2099 } 2100 2101 void scheduleWriteSettingsLocked() { 2102 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2103 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2104 } 2105 } 2106 2107 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2108 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2109 scheduleWritePackageRestrictionsLocked(userId); 2110 } 2111 2112 void scheduleWritePackageRestrictionsLocked(int userId) { 2113 final int[] userIds = (userId == UserHandle.USER_ALL) 2114 ? sUserManager.getUserIds() : new int[]{userId}; 2115 for (int nextUserId : userIds) { 2116 if (!sUserManager.exists(nextUserId)) return; 2117 mDirtyUsers.add(nextUserId); 2118 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2119 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2120 } 2121 } 2122 } 2123 2124 public static PackageManagerService main(Context context, Installer installer, 2125 boolean factoryTest, boolean onlyCore) { 2126 // Self-check for initial settings. 2127 PackageManagerServiceCompilerMapping.checkProperties(); 2128 2129 PackageManagerService m = new PackageManagerService(context, installer, 2130 factoryTest, onlyCore); 2131 m.enableSystemUserPackages(); 2132 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2133 // disabled after already being started. 2134 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2135 UserHandle.USER_SYSTEM); 2136 ServiceManager.addService("package", m); 2137 return m; 2138 } 2139 2140 private void enableSystemUserPackages() { 2141 if (!UserManager.isSplitSystemUser()) { 2142 return; 2143 } 2144 // For system user, enable apps based on the following conditions: 2145 // - app is whitelisted or belong to one of these groups: 2146 // -- system app which has no launcher icons 2147 // -- system app which has INTERACT_ACROSS_USERS permission 2148 // -- system IME app 2149 // - app is not in the blacklist 2150 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2151 Set<String> enableApps = new ArraySet<>(); 2152 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2153 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2154 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2155 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2156 enableApps.addAll(wlApps); 2157 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2158 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2159 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2160 enableApps.removeAll(blApps); 2161 Log.i(TAG, "Applications installed for system user: " + enableApps); 2162 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2163 UserHandle.SYSTEM); 2164 final int allAppsSize = allAps.size(); 2165 synchronized (mPackages) { 2166 for (int i = 0; i < allAppsSize; i++) { 2167 String pName = allAps.get(i); 2168 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2169 // Should not happen, but we shouldn't be failing if it does 2170 if (pkgSetting == null) { 2171 continue; 2172 } 2173 boolean install = enableApps.contains(pName); 2174 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2175 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2176 + " for system user"); 2177 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2178 } 2179 } 2180 } 2181 } 2182 2183 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2184 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2185 Context.DISPLAY_SERVICE); 2186 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2187 } 2188 2189 public PackageManagerService(Context context, Installer installer, 2190 boolean factoryTest, boolean onlyCore) { 2191 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2192 SystemClock.uptimeMillis()); 2193 2194 if (mSdkVersion <= 0) { 2195 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2196 } 2197 2198 mContext = context; 2199 mFactoryTest = factoryTest; 2200 mOnlyCore = onlyCore; 2201 mMetrics = new DisplayMetrics(); 2202 mSettings = new Settings(mPackages); 2203 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2204 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2205 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2206 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2207 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2208 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2209 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2210 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2211 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2212 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2213 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2214 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2215 2216 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2217 if (separateProcesses != null && separateProcesses.length() > 0) { 2218 if ("*".equals(separateProcesses)) { 2219 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2220 mSeparateProcesses = null; 2221 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2222 } else { 2223 mDefParseFlags = 0; 2224 mSeparateProcesses = separateProcesses.split(","); 2225 Slog.w(TAG, "Running with debug.separate_processes: " 2226 + separateProcesses); 2227 } 2228 } else { 2229 mDefParseFlags = 0; 2230 mSeparateProcesses = null; 2231 } 2232 2233 mInstaller = installer; 2234 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2235 "*dexopt*"); 2236 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2237 2238 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2239 FgThread.get().getLooper()); 2240 2241 getDefaultDisplayMetrics(context, mMetrics); 2242 2243 SystemConfig systemConfig = SystemConfig.getInstance(); 2244 mGlobalGids = systemConfig.getGlobalGids(); 2245 mSystemPermissions = systemConfig.getSystemPermissions(); 2246 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2247 2248 synchronized (mInstallLock) { 2249 // writer 2250 synchronized (mPackages) { 2251 mHandlerThread = new ServiceThread(TAG, 2252 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2253 mHandlerThread.start(); 2254 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2255 mProcessLoggingHandler = new ProcessLoggingHandler(); 2256 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2257 2258 File dataDir = Environment.getDataDirectory(); 2259 mAppInstallDir = new File(dataDir, "app"); 2260 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2261 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2262 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2263 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2264 2265 sUserManager = new UserManagerService(context, this, mPackages); 2266 2267 // Propagate permission configuration in to package manager. 2268 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2269 = systemConfig.getPermissions(); 2270 for (int i=0; i<permConfig.size(); i++) { 2271 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2272 BasePermission bp = mSettings.mPermissions.get(perm.name); 2273 if (bp == null) { 2274 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2275 mSettings.mPermissions.put(perm.name, bp); 2276 } 2277 if (perm.gids != null) { 2278 bp.setGids(perm.gids, perm.perUser); 2279 } 2280 } 2281 2282 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2283 for (int i=0; i<libConfig.size(); i++) { 2284 mSharedLibraries.put(libConfig.keyAt(i), 2285 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2286 } 2287 2288 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2289 2290 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2291 2292 String customResolverActivity = Resources.getSystem().getString( 2293 R.string.config_customResolverActivity); 2294 if (TextUtils.isEmpty(customResolverActivity)) { 2295 customResolverActivity = null; 2296 } else { 2297 mCustomResolverComponentName = ComponentName.unflattenFromString( 2298 customResolverActivity); 2299 } 2300 2301 long startTime = SystemClock.uptimeMillis(); 2302 2303 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2304 startTime); 2305 2306 // Set flag to monitor and not change apk file paths when 2307 // scanning install directories. 2308 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2309 2310 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2311 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2312 2313 if (bootClassPath == null) { 2314 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2315 } 2316 2317 if (systemServerClassPath == null) { 2318 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2319 } 2320 2321 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2322 final String[] dexCodeInstructionSets = 2323 getDexCodeInstructionSets( 2324 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2325 2326 /** 2327 * Ensure all external libraries have had dexopt run on them. 2328 */ 2329 if (mSharedLibraries.size() > 0) { 2330 // NOTE: For now, we're compiling these system "shared libraries" 2331 // (and framework jars) into all available architectures. It's possible 2332 // to compile them only when we come across an app that uses them (there's 2333 // already logic for that in scanPackageLI) but that adds some complexity. 2334 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2335 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2336 final String lib = libEntry.path; 2337 if (lib == null) { 2338 continue; 2339 } 2340 2341 try { 2342 // Shared libraries do not have profiles so we perform a full 2343 // AOT compilation (if needed). 2344 int dexoptNeeded = DexFile.getDexOptNeeded( 2345 lib, dexCodeInstructionSet, 2346 getCompilerFilterForReason(REASON_SHARED_APK), 2347 false /* newProfile */); 2348 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2349 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2350 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2351 getCompilerFilterForReason(REASON_SHARED_APK), 2352 StorageManager.UUID_PRIVATE_INTERNAL, 2353 SKIP_SHARED_LIBRARY_CHECK); 2354 } 2355 } catch (FileNotFoundException e) { 2356 Slog.w(TAG, "Library not found: " + lib); 2357 } catch (IOException | InstallerException e) { 2358 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2359 + e.getMessage()); 2360 } 2361 } 2362 } 2363 } 2364 2365 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2366 2367 final VersionInfo ver = mSettings.getInternalVersion(); 2368 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2369 2370 // when upgrading from pre-M, promote system app permissions from install to runtime 2371 mPromoteSystemApps = 2372 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2373 2374 // save off the names of pre-existing system packages prior to scanning; we don't 2375 // want to automatically grant runtime permissions for new system apps 2376 if (mPromoteSystemApps) { 2377 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2378 while (pkgSettingIter.hasNext()) { 2379 PackageSetting ps = pkgSettingIter.next(); 2380 if (isSystemApp(ps)) { 2381 mExistingSystemPackages.add(ps.name); 2382 } 2383 } 2384 } 2385 2386 // When upgrading from pre-N, we need to handle package extraction like first boot, 2387 // as there is no profiling data available. 2388 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2389 mSettings.setNWorkDone(); 2390 2391 // Collect vendor overlay packages. 2392 // (Do this before scanning any apps.) 2393 // For security and version matching reason, only consider 2394 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2395 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2396 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2397 | PackageParser.PARSE_IS_SYSTEM 2398 | PackageParser.PARSE_IS_SYSTEM_DIR 2399 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2400 2401 // Find base frameworks (resource packages without code). 2402 scanDirTracedLI(frameworkDir, mDefParseFlags 2403 | PackageParser.PARSE_IS_SYSTEM 2404 | PackageParser.PARSE_IS_SYSTEM_DIR 2405 | PackageParser.PARSE_IS_PRIVILEGED, 2406 scanFlags | SCAN_NO_DEX, 0); 2407 2408 // Collected privileged system packages. 2409 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2410 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2411 | PackageParser.PARSE_IS_SYSTEM 2412 | PackageParser.PARSE_IS_SYSTEM_DIR 2413 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2414 2415 // Collect ordinary system packages. 2416 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2417 scanDirTracedLI(systemAppDir, mDefParseFlags 2418 | PackageParser.PARSE_IS_SYSTEM 2419 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2420 2421 // Collect all vendor packages. 2422 File vendorAppDir = new File("/vendor/app"); 2423 try { 2424 vendorAppDir = vendorAppDir.getCanonicalFile(); 2425 } catch (IOException e) { 2426 // failed to look up canonical path, continue with original one 2427 } 2428 scanDirTracedLI(vendorAppDir, mDefParseFlags 2429 | PackageParser.PARSE_IS_SYSTEM 2430 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2431 2432 // Collect all OEM packages. 2433 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2434 scanDirTracedLI(oemAppDir, mDefParseFlags 2435 | PackageParser.PARSE_IS_SYSTEM 2436 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2437 2438 // Prune any system packages that no longer exist. 2439 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2440 if (!mOnlyCore) { 2441 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2442 while (psit.hasNext()) { 2443 PackageSetting ps = psit.next(); 2444 2445 /* 2446 * If this is not a system app, it can't be a 2447 * disable system app. 2448 */ 2449 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2450 continue; 2451 } 2452 2453 /* 2454 * If the package is scanned, it's not erased. 2455 */ 2456 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2457 if (scannedPkg != null) { 2458 /* 2459 * If the system app is both scanned and in the 2460 * disabled packages list, then it must have been 2461 * added via OTA. Remove it from the currently 2462 * scanned package so the previously user-installed 2463 * application can be scanned. 2464 */ 2465 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2466 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2467 + ps.name + "; removing system app. Last known codePath=" 2468 + ps.codePathString + ", installStatus=" + ps.installStatus 2469 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2470 + scannedPkg.mVersionCode); 2471 removePackageLI(scannedPkg, true); 2472 mExpectingBetter.put(ps.name, ps.codePath); 2473 } 2474 2475 continue; 2476 } 2477 2478 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2479 psit.remove(); 2480 logCriticalInfo(Log.WARN, "System package " + ps.name 2481 + " no longer exists; it's data will be wiped"); 2482 // Actual deletion of code and data will be handled by later 2483 // reconciliation step 2484 } else { 2485 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2486 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2487 possiblyDeletedUpdatedSystemApps.add(ps.name); 2488 } 2489 } 2490 } 2491 } 2492 2493 //look for any incomplete package installations 2494 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2495 for (int i = 0; i < deletePkgsList.size(); i++) { 2496 // Actual deletion of code and data will be handled by later 2497 // reconciliation step 2498 final String packageName = deletePkgsList.get(i).name; 2499 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2500 synchronized (mPackages) { 2501 mSettings.removePackageLPw(packageName); 2502 } 2503 } 2504 2505 //delete tmp files 2506 deleteTempPackageFiles(); 2507 2508 // Remove any shared userIDs that have no associated packages 2509 mSettings.pruneSharedUsersLPw(); 2510 2511 if (!mOnlyCore) { 2512 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2513 SystemClock.uptimeMillis()); 2514 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2515 2516 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2517 | PackageParser.PARSE_FORWARD_LOCK, 2518 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2519 2520 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2521 | PackageParser.PARSE_IS_EPHEMERAL, 2522 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2523 2524 /** 2525 * Remove disable package settings for any updated system 2526 * apps that were removed via an OTA. If they're not a 2527 * previously-updated app, remove them completely. 2528 * Otherwise, just revoke their system-level permissions. 2529 */ 2530 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2531 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2532 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2533 2534 String msg; 2535 if (deletedPkg == null) { 2536 msg = "Updated system package " + deletedAppName 2537 + " no longer exists; it's data will be wiped"; 2538 // Actual deletion of code and data will be handled by later 2539 // reconciliation step 2540 } else { 2541 msg = "Updated system app + " + deletedAppName 2542 + " no longer present; removing system privileges for " 2543 + deletedAppName; 2544 2545 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2546 2547 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2548 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2549 } 2550 logCriticalInfo(Log.WARN, msg); 2551 } 2552 2553 /** 2554 * Make sure all system apps that we expected to appear on 2555 * the userdata partition actually showed up. If they never 2556 * appeared, crawl back and revive the system version. 2557 */ 2558 for (int i = 0; i < mExpectingBetter.size(); i++) { 2559 final String packageName = mExpectingBetter.keyAt(i); 2560 if (!mPackages.containsKey(packageName)) { 2561 final File scanFile = mExpectingBetter.valueAt(i); 2562 2563 logCriticalInfo(Log.WARN, "Expected better " + packageName 2564 + " but never showed up; reverting to system"); 2565 2566 int reparseFlags = mDefParseFlags; 2567 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2568 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2569 | PackageParser.PARSE_IS_SYSTEM_DIR 2570 | PackageParser.PARSE_IS_PRIVILEGED; 2571 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2572 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2573 | PackageParser.PARSE_IS_SYSTEM_DIR; 2574 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2575 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2576 | PackageParser.PARSE_IS_SYSTEM_DIR; 2577 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2578 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2579 | PackageParser.PARSE_IS_SYSTEM_DIR; 2580 } else { 2581 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2582 continue; 2583 } 2584 2585 mSettings.enableSystemPackageLPw(packageName); 2586 2587 try { 2588 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2589 } catch (PackageManagerException e) { 2590 Slog.e(TAG, "Failed to parse original system package: " 2591 + e.getMessage()); 2592 } 2593 } 2594 } 2595 } 2596 mExpectingBetter.clear(); 2597 2598 // Resolve protected action filters. Only the setup wizard is allowed to 2599 // have a high priority filter for these actions. 2600 mSetupWizardPackage = getSetupWizardPackageName(); 2601 if (mProtectedFilters.size() > 0) { 2602 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2603 Slog.i(TAG, "No setup wizard;" 2604 + " All protected intents capped to priority 0"); 2605 } 2606 for (ActivityIntentInfo filter : mProtectedFilters) { 2607 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2608 if (DEBUG_FILTERS) { 2609 Slog.i(TAG, "Found setup wizard;" 2610 + " allow priority " + filter.getPriority() + ";" 2611 + " package: " + filter.activity.info.packageName 2612 + " activity: " + filter.activity.className 2613 + " priority: " + filter.getPriority()); 2614 } 2615 // skip setup wizard; allow it to keep the high priority filter 2616 continue; 2617 } 2618 Slog.w(TAG, "Protected action; cap priority to 0;" 2619 + " package: " + filter.activity.info.packageName 2620 + " activity: " + filter.activity.className 2621 + " origPrio: " + filter.getPriority()); 2622 filter.setPriority(0); 2623 } 2624 } 2625 mDeferProtectedFilters = false; 2626 mProtectedFilters.clear(); 2627 2628 // Now that we know all of the shared libraries, update all clients to have 2629 // the correct library paths. 2630 updateAllSharedLibrariesLPw(); 2631 2632 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2633 // NOTE: We ignore potential failures here during a system scan (like 2634 // the rest of the commands above) because there's precious little we 2635 // can do about it. A settings error is reported, though. 2636 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2637 false /* boot complete */); 2638 } 2639 2640 // Now that we know all the packages we are keeping, 2641 // read and update their last usage times. 2642 mPackageUsage.readLP(); 2643 2644 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2645 SystemClock.uptimeMillis()); 2646 Slog.i(TAG, "Time to scan packages: " 2647 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2648 + " seconds"); 2649 2650 // If the platform SDK has changed since the last time we booted, 2651 // we need to re-grant app permission to catch any new ones that 2652 // appear. This is really a hack, and means that apps can in some 2653 // cases get permissions that the user didn't initially explicitly 2654 // allow... it would be nice to have some better way to handle 2655 // this situation. 2656 int updateFlags = UPDATE_PERMISSIONS_ALL; 2657 if (ver.sdkVersion != mSdkVersion) { 2658 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2659 + mSdkVersion + "; regranting permissions for internal storage"); 2660 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2661 } 2662 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2663 ver.sdkVersion = mSdkVersion; 2664 2665 // If this is the first boot or an update from pre-M, and it is a normal 2666 // boot, then we need to initialize the default preferred apps across 2667 // all defined users. 2668 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2669 for (UserInfo user : sUserManager.getUsers(true)) { 2670 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2671 applyFactoryDefaultBrowserLPw(user.id); 2672 primeDomainVerificationsLPw(user.id); 2673 } 2674 } 2675 2676 // Prepare storage for system user really early during boot, 2677 // since core system apps like SettingsProvider and SystemUI 2678 // can't wait for user to start 2679 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2680 StorageManager.FLAG_STORAGE_DE); 2681 2682 // If this is first boot after an OTA, and a normal boot, then 2683 // we need to clear code cache directories. 2684 if (mIsUpgrade && !onlyCore) { 2685 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2686 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2687 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2688 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2689 // No apps are running this early, so no need to freeze 2690 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2691 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2692 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2693 } 2694 clearAppProfilesLIF(ps.pkg); 2695 } 2696 ver.fingerprint = Build.FINGERPRINT; 2697 } 2698 2699 checkDefaultBrowser(); 2700 2701 // clear only after permissions and other defaults have been updated 2702 mExistingSystemPackages.clear(); 2703 mPromoteSystemApps = false; 2704 2705 // All the changes are done during package scanning. 2706 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2707 2708 // can downgrade to reader 2709 mSettings.writeLPr(); 2710 2711 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2712 SystemClock.uptimeMillis()); 2713 2714 if (!mOnlyCore) { 2715 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2716 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2717 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2718 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2719 mIntentFilterVerifierComponent); 2720 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2721 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2722 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2723 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2724 } else { 2725 mRequiredVerifierPackage = null; 2726 mRequiredInstallerPackage = null; 2727 mIntentFilterVerifierComponent = null; 2728 mIntentFilterVerifier = null; 2729 mServicesSystemSharedLibraryPackageName = null; 2730 mSharedSystemSharedLibraryPackageName = null; 2731 } 2732 2733 mInstallerService = new PackageInstallerService(context, this); 2734 2735 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2736 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2737 // both the installer and resolver must be present to enable ephemeral 2738 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2739 if (DEBUG_EPHEMERAL) { 2740 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2741 + " installer:" + ephemeralInstallerComponent); 2742 } 2743 mEphemeralResolverComponent = ephemeralResolverComponent; 2744 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2745 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2746 mEphemeralResolverConnection = 2747 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2748 } else { 2749 if (DEBUG_EPHEMERAL) { 2750 final String missingComponent = 2751 (ephemeralResolverComponent == null) 2752 ? (ephemeralInstallerComponent == null) 2753 ? "resolver and installer" 2754 : "resolver" 2755 : "installer"; 2756 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2757 } 2758 mEphemeralResolverComponent = null; 2759 mEphemeralInstallerComponent = null; 2760 mEphemeralResolverConnection = null; 2761 } 2762 2763 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2764 } // synchronized (mPackages) 2765 } // synchronized (mInstallLock) 2766 2767 // Now after opening every single application zip, make sure they 2768 // are all flushed. Not really needed, but keeps things nice and 2769 // tidy. 2770 Runtime.getRuntime().gc(); 2771 2772 // The initial scanning above does many calls into installd while 2773 // holding the mPackages lock, but we're mostly interested in yelling 2774 // once we have a booted system. 2775 mInstaller.setWarnIfHeld(mPackages); 2776 2777 // Expose private service for system components to use. 2778 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2779 } 2780 2781 @Override 2782 public boolean isFirstBoot() { 2783 return !mRestoredSettings; 2784 } 2785 2786 @Override 2787 public boolean isOnlyCoreApps() { 2788 return mOnlyCore; 2789 } 2790 2791 @Override 2792 public boolean isUpgrade() { 2793 return mIsUpgrade; 2794 } 2795 2796 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2797 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2798 2799 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2800 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2801 UserHandle.USER_SYSTEM); 2802 if (matches.size() == 1) { 2803 return matches.get(0).getComponentInfo().packageName; 2804 } else { 2805 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2806 return null; 2807 } 2808 } 2809 2810 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2811 synchronized (mPackages) { 2812 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2813 if (libraryEntry == null) { 2814 throw new IllegalStateException("Missing required shared library:" + libraryName); 2815 } 2816 return libraryEntry.apk; 2817 } 2818 } 2819 2820 private @NonNull String getRequiredInstallerLPr() { 2821 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2822 intent.addCategory(Intent.CATEGORY_DEFAULT); 2823 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2824 2825 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2826 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2827 UserHandle.USER_SYSTEM); 2828 if (matches.size() == 1) { 2829 ResolveInfo resolveInfo = matches.get(0); 2830 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2831 throw new RuntimeException("The installer must be a privileged app"); 2832 } 2833 return matches.get(0).getComponentInfo().packageName; 2834 } else { 2835 throw new RuntimeException("There must be exactly one installer; found " + matches); 2836 } 2837 } 2838 2839 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2840 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2841 2842 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2843 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2844 UserHandle.USER_SYSTEM); 2845 ResolveInfo best = null; 2846 final int N = matches.size(); 2847 for (int i = 0; i < N; i++) { 2848 final ResolveInfo cur = matches.get(i); 2849 final String packageName = cur.getComponentInfo().packageName; 2850 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2851 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2852 continue; 2853 } 2854 2855 if (best == null || cur.priority > best.priority) { 2856 best = cur; 2857 } 2858 } 2859 2860 if (best != null) { 2861 return best.getComponentInfo().getComponentName(); 2862 } else { 2863 throw new RuntimeException("There must be at least one intent filter verifier"); 2864 } 2865 } 2866 2867 private @Nullable ComponentName getEphemeralResolverLPr() { 2868 final String[] packageArray = 2869 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2870 if (packageArray.length == 0) { 2871 if (DEBUG_EPHEMERAL) { 2872 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2873 } 2874 return null; 2875 } 2876 2877 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2878 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2879 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2880 UserHandle.USER_SYSTEM); 2881 2882 final int N = resolvers.size(); 2883 if (N == 0) { 2884 if (DEBUG_EPHEMERAL) { 2885 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2886 } 2887 return null; 2888 } 2889 2890 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2891 for (int i = 0; i < N; i++) { 2892 final ResolveInfo info = resolvers.get(i); 2893 2894 if (info.serviceInfo == null) { 2895 continue; 2896 } 2897 2898 final String packageName = info.serviceInfo.packageName; 2899 if (!possiblePackages.contains(packageName)) { 2900 if (DEBUG_EPHEMERAL) { 2901 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2902 + " pkg: " + packageName + ", info:" + info); 2903 } 2904 continue; 2905 } 2906 2907 if (DEBUG_EPHEMERAL) { 2908 Slog.v(TAG, "Ephemeral resolver found;" 2909 + " pkg: " + packageName + ", info:" + info); 2910 } 2911 return new ComponentName(packageName, info.serviceInfo.name); 2912 } 2913 if (DEBUG_EPHEMERAL) { 2914 Slog.v(TAG, "Ephemeral resolver NOT found"); 2915 } 2916 return null; 2917 } 2918 2919 private @Nullable ComponentName getEphemeralInstallerLPr() { 2920 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2921 intent.addCategory(Intent.CATEGORY_DEFAULT); 2922 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2923 2924 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2925 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2926 UserHandle.USER_SYSTEM); 2927 if (matches.size() == 0) { 2928 return null; 2929 } else if (matches.size() == 1) { 2930 return matches.get(0).getComponentInfo().getComponentName(); 2931 } else { 2932 throw new RuntimeException( 2933 "There must be at most one ephemeral installer; found " + matches); 2934 } 2935 } 2936 2937 private void primeDomainVerificationsLPw(int userId) { 2938 if (DEBUG_DOMAIN_VERIFICATION) { 2939 Slog.d(TAG, "Priming domain verifications in user " + userId); 2940 } 2941 2942 SystemConfig systemConfig = SystemConfig.getInstance(); 2943 ArraySet<String> packages = systemConfig.getLinkedApps(); 2944 ArraySet<String> domains = new ArraySet<String>(); 2945 2946 for (String packageName : packages) { 2947 PackageParser.Package pkg = mPackages.get(packageName); 2948 if (pkg != null) { 2949 if (!pkg.isSystemApp()) { 2950 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2951 continue; 2952 } 2953 2954 domains.clear(); 2955 for (PackageParser.Activity a : pkg.activities) { 2956 for (ActivityIntentInfo filter : a.intents) { 2957 if (hasValidDomains(filter)) { 2958 domains.addAll(filter.getHostsList()); 2959 } 2960 } 2961 } 2962 2963 if (domains.size() > 0) { 2964 if (DEBUG_DOMAIN_VERIFICATION) { 2965 Slog.v(TAG, " + " + packageName); 2966 } 2967 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2968 // state w.r.t. the formal app-linkage "no verification attempted" state; 2969 // and then 'always' in the per-user state actually used for intent resolution. 2970 final IntentFilterVerificationInfo ivi; 2971 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2972 new ArrayList<String>(domains)); 2973 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2974 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2975 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2976 } else { 2977 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2978 + "' does not handle web links"); 2979 } 2980 } else { 2981 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2982 } 2983 } 2984 2985 scheduleWritePackageRestrictionsLocked(userId); 2986 scheduleWriteSettingsLocked(); 2987 } 2988 2989 private void applyFactoryDefaultBrowserLPw(int userId) { 2990 // The default browser app's package name is stored in a string resource, 2991 // with a product-specific overlay used for vendor customization. 2992 String browserPkg = mContext.getResources().getString( 2993 com.android.internal.R.string.default_browser); 2994 if (!TextUtils.isEmpty(browserPkg)) { 2995 // non-empty string => required to be a known package 2996 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2997 if (ps == null) { 2998 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2999 browserPkg = null; 3000 } else { 3001 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3002 } 3003 } 3004 3005 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3006 // default. If there's more than one, just leave everything alone. 3007 if (browserPkg == null) { 3008 calculateDefaultBrowserLPw(userId); 3009 } 3010 } 3011 3012 private void calculateDefaultBrowserLPw(int userId) { 3013 List<String> allBrowsers = resolveAllBrowserApps(userId); 3014 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3015 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3016 } 3017 3018 private List<String> resolveAllBrowserApps(int userId) { 3019 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3020 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3021 PackageManager.MATCH_ALL, userId); 3022 3023 final int count = list.size(); 3024 List<String> result = new ArrayList<String>(count); 3025 for (int i=0; i<count; i++) { 3026 ResolveInfo info = list.get(i); 3027 if (info.activityInfo == null 3028 || !info.handleAllWebDataURI 3029 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3030 || result.contains(info.activityInfo.packageName)) { 3031 continue; 3032 } 3033 result.add(info.activityInfo.packageName); 3034 } 3035 3036 return result; 3037 } 3038 3039 private boolean packageIsBrowser(String packageName, int userId) { 3040 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3041 PackageManager.MATCH_ALL, userId); 3042 final int N = list.size(); 3043 for (int i = 0; i < N; i++) { 3044 ResolveInfo info = list.get(i); 3045 if (packageName.equals(info.activityInfo.packageName)) { 3046 return true; 3047 } 3048 } 3049 return false; 3050 } 3051 3052 private void checkDefaultBrowser() { 3053 final int myUserId = UserHandle.myUserId(); 3054 final String packageName = getDefaultBrowserPackageName(myUserId); 3055 if (packageName != null) { 3056 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3057 if (info == null) { 3058 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3059 synchronized (mPackages) { 3060 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3061 } 3062 } 3063 } 3064 } 3065 3066 @Override 3067 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3068 throws RemoteException { 3069 try { 3070 return super.onTransact(code, data, reply, flags); 3071 } catch (RuntimeException e) { 3072 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3073 Slog.wtf(TAG, "Package Manager Crash", e); 3074 } 3075 throw e; 3076 } 3077 } 3078 3079 static int[] appendInts(int[] cur, int[] add) { 3080 if (add == null) return cur; 3081 if (cur == null) return add; 3082 final int N = add.length; 3083 for (int i=0; i<N; i++) { 3084 cur = appendInt(cur, add[i]); 3085 } 3086 return cur; 3087 } 3088 3089 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3090 if (!sUserManager.exists(userId)) return null; 3091 if (ps == null) { 3092 return null; 3093 } 3094 final PackageParser.Package p = ps.pkg; 3095 if (p == null) { 3096 return null; 3097 } 3098 3099 final PermissionsState permissionsState = ps.getPermissionsState(); 3100 3101 final int[] gids = permissionsState.computeGids(userId); 3102 final Set<String> permissions = permissionsState.getPermissions(userId); 3103 final PackageUserState state = ps.readUserState(userId); 3104 3105 return PackageParser.generatePackageInfo(p, gids, flags, 3106 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3107 } 3108 3109 @Override 3110 public void checkPackageStartable(String packageName, int userId) { 3111 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3112 3113 synchronized (mPackages) { 3114 final PackageSetting ps = mSettings.mPackages.get(packageName); 3115 if (ps == null) { 3116 throw new SecurityException("Package " + packageName + " was not found!"); 3117 } 3118 3119 if (!ps.getInstalled(userId)) { 3120 throw new SecurityException( 3121 "Package " + packageName + " was not installed for user " + userId + "!"); 3122 } 3123 3124 if (mSafeMode && !ps.isSystem()) { 3125 throw new SecurityException("Package " + packageName + " not a system app!"); 3126 } 3127 3128 if (mFrozenPackages.contains(packageName)) { 3129 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3130 } 3131 3132 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3133 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3134 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3135 } 3136 } 3137 } 3138 3139 @Override 3140 public boolean isPackageAvailable(String packageName, int userId) { 3141 if (!sUserManager.exists(userId)) return false; 3142 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3143 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3144 synchronized (mPackages) { 3145 PackageParser.Package p = mPackages.get(packageName); 3146 if (p != null) { 3147 final PackageSetting ps = (PackageSetting) p.mExtras; 3148 if (ps != null) { 3149 final PackageUserState state = ps.readUserState(userId); 3150 if (state != null) { 3151 return PackageParser.isAvailable(state); 3152 } 3153 } 3154 } 3155 } 3156 return false; 3157 } 3158 3159 @Override 3160 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3161 if (!sUserManager.exists(userId)) return null; 3162 flags = updateFlagsForPackage(flags, userId, packageName); 3163 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3164 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3165 // reader 3166 synchronized (mPackages) { 3167 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3168 PackageParser.Package p = null; 3169 if (matchFactoryOnly) { 3170 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3171 if (ps != null) { 3172 return generatePackageInfo(ps, flags, userId); 3173 } 3174 } 3175 if (p == null) { 3176 p = mPackages.get(packageName); 3177 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3178 return null; 3179 } 3180 } 3181 if (DEBUG_PACKAGE_INFO) 3182 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3183 if (p != null) { 3184 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3185 } 3186 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3187 final PackageSetting ps = mSettings.mPackages.get(packageName); 3188 return generatePackageInfo(ps, flags, userId); 3189 } 3190 } 3191 return null; 3192 } 3193 3194 @Override 3195 public String[] currentToCanonicalPackageNames(String[] names) { 3196 String[] out = new String[names.length]; 3197 // reader 3198 synchronized (mPackages) { 3199 for (int i=names.length-1; i>=0; i--) { 3200 PackageSetting ps = mSettings.mPackages.get(names[i]); 3201 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3202 } 3203 } 3204 return out; 3205 } 3206 3207 @Override 3208 public String[] canonicalToCurrentPackageNames(String[] names) { 3209 String[] out = new String[names.length]; 3210 // reader 3211 synchronized (mPackages) { 3212 for (int i=names.length-1; i>=0; i--) { 3213 String cur = mSettings.mRenamedPackages.get(names[i]); 3214 out[i] = cur != null ? cur : names[i]; 3215 } 3216 } 3217 return out; 3218 } 3219 3220 @Override 3221 public int getPackageUid(String packageName, int flags, int userId) { 3222 if (!sUserManager.exists(userId)) return -1; 3223 flags = updateFlagsForPackage(flags, userId, packageName); 3224 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3225 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3226 3227 // reader 3228 synchronized (mPackages) { 3229 final PackageParser.Package p = mPackages.get(packageName); 3230 if (p != null && p.isMatch(flags)) { 3231 return UserHandle.getUid(userId, p.applicationInfo.uid); 3232 } 3233 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3234 final PackageSetting ps = mSettings.mPackages.get(packageName); 3235 if (ps != null && ps.isMatch(flags)) { 3236 return UserHandle.getUid(userId, ps.appId); 3237 } 3238 } 3239 } 3240 3241 return -1; 3242 } 3243 3244 @Override 3245 public int[] getPackageGids(String packageName, int flags, int userId) { 3246 if (!sUserManager.exists(userId)) return null; 3247 flags = updateFlagsForPackage(flags, userId, packageName); 3248 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3249 false /* requireFullPermission */, false /* checkShell */, 3250 "getPackageGids"); 3251 3252 // reader 3253 synchronized (mPackages) { 3254 final PackageParser.Package p = mPackages.get(packageName); 3255 if (p != null && p.isMatch(flags)) { 3256 PackageSetting ps = (PackageSetting) p.mExtras; 3257 return ps.getPermissionsState().computeGids(userId); 3258 } 3259 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3260 final PackageSetting ps = mSettings.mPackages.get(packageName); 3261 if (ps != null && ps.isMatch(flags)) { 3262 return ps.getPermissionsState().computeGids(userId); 3263 } 3264 } 3265 } 3266 3267 return null; 3268 } 3269 3270 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3271 if (bp.perm != null) { 3272 return PackageParser.generatePermissionInfo(bp.perm, flags); 3273 } 3274 PermissionInfo pi = new PermissionInfo(); 3275 pi.name = bp.name; 3276 pi.packageName = bp.sourcePackage; 3277 pi.nonLocalizedLabel = bp.name; 3278 pi.protectionLevel = bp.protectionLevel; 3279 return pi; 3280 } 3281 3282 @Override 3283 public PermissionInfo getPermissionInfo(String name, int flags) { 3284 // reader 3285 synchronized (mPackages) { 3286 final BasePermission p = mSettings.mPermissions.get(name); 3287 if (p != null) { 3288 return generatePermissionInfo(p, flags); 3289 } 3290 return null; 3291 } 3292 } 3293 3294 @Override 3295 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3296 int flags) { 3297 // reader 3298 synchronized (mPackages) { 3299 if (group != null && !mPermissionGroups.containsKey(group)) { 3300 // This is thrown as NameNotFoundException 3301 return null; 3302 } 3303 3304 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3305 for (BasePermission p : mSettings.mPermissions.values()) { 3306 if (group == null) { 3307 if (p.perm == null || p.perm.info.group == null) { 3308 out.add(generatePermissionInfo(p, flags)); 3309 } 3310 } else { 3311 if (p.perm != null && group.equals(p.perm.info.group)) { 3312 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3313 } 3314 } 3315 } 3316 return new ParceledListSlice<>(out); 3317 } 3318 } 3319 3320 @Override 3321 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3322 // reader 3323 synchronized (mPackages) { 3324 return PackageParser.generatePermissionGroupInfo( 3325 mPermissionGroups.get(name), flags); 3326 } 3327 } 3328 3329 @Override 3330 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3331 // reader 3332 synchronized (mPackages) { 3333 final int N = mPermissionGroups.size(); 3334 ArrayList<PermissionGroupInfo> out 3335 = new ArrayList<PermissionGroupInfo>(N); 3336 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3337 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3338 } 3339 return new ParceledListSlice<>(out); 3340 } 3341 } 3342 3343 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3344 int userId) { 3345 if (!sUserManager.exists(userId)) return null; 3346 PackageSetting ps = mSettings.mPackages.get(packageName); 3347 if (ps != null) { 3348 if (ps.pkg == null) { 3349 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3350 if (pInfo != null) { 3351 return pInfo.applicationInfo; 3352 } 3353 return null; 3354 } 3355 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3356 ps.readUserState(userId), userId); 3357 } 3358 return null; 3359 } 3360 3361 @Override 3362 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3363 if (!sUserManager.exists(userId)) return null; 3364 flags = updateFlagsForApplication(flags, userId, packageName); 3365 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3366 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3367 // writer 3368 synchronized (mPackages) { 3369 PackageParser.Package p = mPackages.get(packageName); 3370 if (DEBUG_PACKAGE_INFO) Log.v( 3371 TAG, "getApplicationInfo " + packageName 3372 + ": " + p); 3373 if (p != null) { 3374 PackageSetting ps = mSettings.mPackages.get(packageName); 3375 if (ps == null) return null; 3376 // Note: isEnabledLP() does not apply here - always return info 3377 return PackageParser.generateApplicationInfo( 3378 p, flags, ps.readUserState(userId), userId); 3379 } 3380 if ("android".equals(packageName)||"system".equals(packageName)) { 3381 return mAndroidApplication; 3382 } 3383 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3384 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3385 } 3386 } 3387 return null; 3388 } 3389 3390 @Override 3391 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3392 final IPackageDataObserver observer) { 3393 mContext.enforceCallingOrSelfPermission( 3394 android.Manifest.permission.CLEAR_APP_CACHE, null); 3395 // Queue up an async operation since clearing cache may take a little while. 3396 mHandler.post(new Runnable() { 3397 public void run() { 3398 mHandler.removeCallbacks(this); 3399 boolean success = true; 3400 synchronized (mInstallLock) { 3401 try { 3402 mInstaller.freeCache(volumeUuid, freeStorageSize); 3403 } catch (InstallerException e) { 3404 Slog.w(TAG, "Couldn't clear application caches: " + e); 3405 success = false; 3406 } 3407 } 3408 if (observer != null) { 3409 try { 3410 observer.onRemoveCompleted(null, success); 3411 } catch (RemoteException e) { 3412 Slog.w(TAG, "RemoveException when invoking call back"); 3413 } 3414 } 3415 } 3416 }); 3417 } 3418 3419 @Override 3420 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3421 final IntentSender pi) { 3422 mContext.enforceCallingOrSelfPermission( 3423 android.Manifest.permission.CLEAR_APP_CACHE, null); 3424 // Queue up an async operation since clearing cache may take a little while. 3425 mHandler.post(new Runnable() { 3426 public void run() { 3427 mHandler.removeCallbacks(this); 3428 boolean success = true; 3429 synchronized (mInstallLock) { 3430 try { 3431 mInstaller.freeCache(volumeUuid, freeStorageSize); 3432 } catch (InstallerException e) { 3433 Slog.w(TAG, "Couldn't clear application caches: " + e); 3434 success = false; 3435 } 3436 } 3437 if(pi != null) { 3438 try { 3439 // Callback via pending intent 3440 int code = success ? 1 : 0; 3441 pi.sendIntent(null, code, null, 3442 null, null); 3443 } catch (SendIntentException e1) { 3444 Slog.i(TAG, "Failed to send pending intent"); 3445 } 3446 } 3447 } 3448 }); 3449 } 3450 3451 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3452 synchronized (mInstallLock) { 3453 try { 3454 mInstaller.freeCache(volumeUuid, freeStorageSize); 3455 } catch (InstallerException e) { 3456 throw new IOException("Failed to free enough space", e); 3457 } 3458 } 3459 } 3460 3461 /** 3462 * Update given flags based on encryption status of current user. 3463 */ 3464 private int updateFlags(int flags, int userId) { 3465 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3466 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3467 // Caller expressed an explicit opinion about what encryption 3468 // aware/unaware components they want to see, so fall through and 3469 // give them what they want 3470 } else { 3471 // Caller expressed no opinion, so match based on user state 3472 if (StorageManager.isUserKeyUnlocked(userId)) { 3473 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3474 } else { 3475 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3476 } 3477 } 3478 return flags; 3479 } 3480 3481 /** 3482 * Update given flags when being used to request {@link PackageInfo}. 3483 */ 3484 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3485 boolean triaged = true; 3486 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3487 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3488 // Caller is asking for component details, so they'd better be 3489 // asking for specific encryption matching behavior, or be triaged 3490 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3491 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3492 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3493 triaged = false; 3494 } 3495 } 3496 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3497 | PackageManager.MATCH_SYSTEM_ONLY 3498 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3499 triaged = false; 3500 } 3501 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3502 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3503 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3504 } 3505 return updateFlags(flags, userId); 3506 } 3507 3508 /** 3509 * Update given flags when being used to request {@link ApplicationInfo}. 3510 */ 3511 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3512 return updateFlagsForPackage(flags, userId, cookie); 3513 } 3514 3515 /** 3516 * Update given flags when being used to request {@link ComponentInfo}. 3517 */ 3518 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3519 if (cookie instanceof Intent) { 3520 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3521 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3522 } 3523 } 3524 3525 boolean triaged = true; 3526 // Caller is asking for component details, so they'd better be 3527 // asking for specific encryption matching behavior, or be triaged 3528 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3529 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3530 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3531 triaged = false; 3532 } 3533 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3534 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3535 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3536 } 3537 3538 return updateFlags(flags, userId); 3539 } 3540 3541 /** 3542 * Update given flags when being used to request {@link ResolveInfo}. 3543 */ 3544 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3545 // Safe mode means we shouldn't match any third-party components 3546 if (mSafeMode) { 3547 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3548 } 3549 3550 return updateFlagsForComponent(flags, userId, cookie); 3551 } 3552 3553 @Override 3554 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3555 if (!sUserManager.exists(userId)) return null; 3556 flags = updateFlagsForComponent(flags, userId, component); 3557 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3558 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3559 synchronized (mPackages) { 3560 PackageParser.Activity a = mActivities.mActivities.get(component); 3561 3562 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3563 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3564 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3565 if (ps == null) return null; 3566 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3567 userId); 3568 } 3569 if (mResolveComponentName.equals(component)) { 3570 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3571 new PackageUserState(), userId); 3572 } 3573 } 3574 return null; 3575 } 3576 3577 @Override 3578 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3579 String resolvedType) { 3580 synchronized (mPackages) { 3581 if (component.equals(mResolveComponentName)) { 3582 // The resolver supports EVERYTHING! 3583 return true; 3584 } 3585 PackageParser.Activity a = mActivities.mActivities.get(component); 3586 if (a == null) { 3587 return false; 3588 } 3589 for (int i=0; i<a.intents.size(); i++) { 3590 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3591 intent.getData(), intent.getCategories(), TAG) >= 0) { 3592 return true; 3593 } 3594 } 3595 return false; 3596 } 3597 } 3598 3599 @Override 3600 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3601 if (!sUserManager.exists(userId)) return null; 3602 flags = updateFlagsForComponent(flags, userId, component); 3603 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3604 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3605 synchronized (mPackages) { 3606 PackageParser.Activity a = mReceivers.mActivities.get(component); 3607 if (DEBUG_PACKAGE_INFO) Log.v( 3608 TAG, "getReceiverInfo " + component + ": " + a); 3609 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3610 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3611 if (ps == null) return null; 3612 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3613 userId); 3614 } 3615 } 3616 return null; 3617 } 3618 3619 @Override 3620 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3621 if (!sUserManager.exists(userId)) return null; 3622 flags = updateFlagsForComponent(flags, userId, component); 3623 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3624 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3625 synchronized (mPackages) { 3626 PackageParser.Service s = mServices.mServices.get(component); 3627 if (DEBUG_PACKAGE_INFO) Log.v( 3628 TAG, "getServiceInfo " + component + ": " + s); 3629 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3630 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3631 if (ps == null) return null; 3632 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3633 userId); 3634 } 3635 } 3636 return null; 3637 } 3638 3639 @Override 3640 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3641 if (!sUserManager.exists(userId)) return null; 3642 flags = updateFlagsForComponent(flags, userId, component); 3643 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3644 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3645 synchronized (mPackages) { 3646 PackageParser.Provider p = mProviders.mProviders.get(component); 3647 if (DEBUG_PACKAGE_INFO) Log.v( 3648 TAG, "getProviderInfo " + component + ": " + p); 3649 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3650 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3651 if (ps == null) return null; 3652 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3653 userId); 3654 } 3655 } 3656 return null; 3657 } 3658 3659 @Override 3660 public String[] getSystemSharedLibraryNames() { 3661 Set<String> libSet; 3662 synchronized (mPackages) { 3663 libSet = mSharedLibraries.keySet(); 3664 int size = libSet.size(); 3665 if (size > 0) { 3666 String[] libs = new String[size]; 3667 libSet.toArray(libs); 3668 return libs; 3669 } 3670 } 3671 return null; 3672 } 3673 3674 @Override 3675 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3676 synchronized (mPackages) { 3677 return mServicesSystemSharedLibraryPackageName; 3678 } 3679 } 3680 3681 @Override 3682 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3683 synchronized (mPackages) { 3684 return mSharedSystemSharedLibraryPackageName; 3685 } 3686 } 3687 3688 @Override 3689 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3690 synchronized (mPackages) { 3691 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3692 3693 final FeatureInfo fi = new FeatureInfo(); 3694 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3695 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3696 res.add(fi); 3697 3698 return new ParceledListSlice<>(res); 3699 } 3700 } 3701 3702 @Override 3703 public boolean hasSystemFeature(String name, int version) { 3704 synchronized (mPackages) { 3705 final FeatureInfo feat = mAvailableFeatures.get(name); 3706 if (feat == null) { 3707 return false; 3708 } else { 3709 return feat.version >= version; 3710 } 3711 } 3712 } 3713 3714 @Override 3715 public int checkPermission(String permName, String pkgName, int userId) { 3716 if (!sUserManager.exists(userId)) { 3717 return PackageManager.PERMISSION_DENIED; 3718 } 3719 3720 synchronized (mPackages) { 3721 final PackageParser.Package p = mPackages.get(pkgName); 3722 if (p != null && p.mExtras != null) { 3723 final PackageSetting ps = (PackageSetting) p.mExtras; 3724 final PermissionsState permissionsState = ps.getPermissionsState(); 3725 if (permissionsState.hasPermission(permName, userId)) { 3726 return PackageManager.PERMISSION_GRANTED; 3727 } 3728 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3729 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3730 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3731 return PackageManager.PERMISSION_GRANTED; 3732 } 3733 } 3734 } 3735 3736 return PackageManager.PERMISSION_DENIED; 3737 } 3738 3739 @Override 3740 public int checkUidPermission(String permName, int uid) { 3741 final int userId = UserHandle.getUserId(uid); 3742 3743 if (!sUserManager.exists(userId)) { 3744 return PackageManager.PERMISSION_DENIED; 3745 } 3746 3747 synchronized (mPackages) { 3748 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3749 if (obj != null) { 3750 final SettingBase ps = (SettingBase) obj; 3751 final PermissionsState permissionsState = ps.getPermissionsState(); 3752 if (permissionsState.hasPermission(permName, userId)) { 3753 return PackageManager.PERMISSION_GRANTED; 3754 } 3755 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3756 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3757 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3758 return PackageManager.PERMISSION_GRANTED; 3759 } 3760 } else { 3761 ArraySet<String> perms = mSystemPermissions.get(uid); 3762 if (perms != null) { 3763 if (perms.contains(permName)) { 3764 return PackageManager.PERMISSION_GRANTED; 3765 } 3766 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3767 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3768 return PackageManager.PERMISSION_GRANTED; 3769 } 3770 } 3771 } 3772 } 3773 3774 return PackageManager.PERMISSION_DENIED; 3775 } 3776 3777 @Override 3778 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3779 if (UserHandle.getCallingUserId() != userId) { 3780 mContext.enforceCallingPermission( 3781 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3782 "isPermissionRevokedByPolicy for user " + userId); 3783 } 3784 3785 if (checkPermission(permission, packageName, userId) 3786 == PackageManager.PERMISSION_GRANTED) { 3787 return false; 3788 } 3789 3790 final long identity = Binder.clearCallingIdentity(); 3791 try { 3792 final int flags = getPermissionFlags(permission, packageName, userId); 3793 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3794 } finally { 3795 Binder.restoreCallingIdentity(identity); 3796 } 3797 } 3798 3799 @Override 3800 public String getPermissionControllerPackageName() { 3801 synchronized (mPackages) { 3802 return mRequiredInstallerPackage; 3803 } 3804 } 3805 3806 /** 3807 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3808 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3809 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3810 * @param message the message to log on security exception 3811 */ 3812 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3813 boolean checkShell, String message) { 3814 if (userId < 0) { 3815 throw new IllegalArgumentException("Invalid userId " + userId); 3816 } 3817 if (checkShell) { 3818 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3819 } 3820 if (userId == UserHandle.getUserId(callingUid)) return; 3821 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3822 if (requireFullPermission) { 3823 mContext.enforceCallingOrSelfPermission( 3824 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3825 } else { 3826 try { 3827 mContext.enforceCallingOrSelfPermission( 3828 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3829 } catch (SecurityException se) { 3830 mContext.enforceCallingOrSelfPermission( 3831 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3832 } 3833 } 3834 } 3835 } 3836 3837 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3838 if (callingUid == Process.SHELL_UID) { 3839 if (userHandle >= 0 3840 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3841 throw new SecurityException("Shell does not have permission to access user " 3842 + userHandle); 3843 } else if (userHandle < 0) { 3844 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3845 + Debug.getCallers(3)); 3846 } 3847 } 3848 } 3849 3850 private BasePermission findPermissionTreeLP(String permName) { 3851 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3852 if (permName.startsWith(bp.name) && 3853 permName.length() > bp.name.length() && 3854 permName.charAt(bp.name.length()) == '.') { 3855 return bp; 3856 } 3857 } 3858 return null; 3859 } 3860 3861 private BasePermission checkPermissionTreeLP(String permName) { 3862 if (permName != null) { 3863 BasePermission bp = findPermissionTreeLP(permName); 3864 if (bp != null) { 3865 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3866 return bp; 3867 } 3868 throw new SecurityException("Calling uid " 3869 + Binder.getCallingUid() 3870 + " is not allowed to add to permission tree " 3871 + bp.name + " owned by uid " + bp.uid); 3872 } 3873 } 3874 throw new SecurityException("No permission tree found for " + permName); 3875 } 3876 3877 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3878 if (s1 == null) { 3879 return s2 == null; 3880 } 3881 if (s2 == null) { 3882 return false; 3883 } 3884 if (s1.getClass() != s2.getClass()) { 3885 return false; 3886 } 3887 return s1.equals(s2); 3888 } 3889 3890 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3891 if (pi1.icon != pi2.icon) return false; 3892 if (pi1.logo != pi2.logo) return false; 3893 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3894 if (!compareStrings(pi1.name, pi2.name)) return false; 3895 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3896 // We'll take care of setting this one. 3897 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3898 // These are not currently stored in settings. 3899 //if (!compareStrings(pi1.group, pi2.group)) return false; 3900 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3901 //if (pi1.labelRes != pi2.labelRes) return false; 3902 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3903 return true; 3904 } 3905 3906 int permissionInfoFootprint(PermissionInfo info) { 3907 int size = info.name.length(); 3908 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3909 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3910 return size; 3911 } 3912 3913 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3914 int size = 0; 3915 for (BasePermission perm : mSettings.mPermissions.values()) { 3916 if (perm.uid == tree.uid) { 3917 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3918 } 3919 } 3920 return size; 3921 } 3922 3923 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3924 // We calculate the max size of permissions defined by this uid and throw 3925 // if that plus the size of 'info' would exceed our stated maximum. 3926 if (tree.uid != Process.SYSTEM_UID) { 3927 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3928 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3929 throw new SecurityException("Permission tree size cap exceeded"); 3930 } 3931 } 3932 } 3933 3934 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3935 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3936 throw new SecurityException("Label must be specified in permission"); 3937 } 3938 BasePermission tree = checkPermissionTreeLP(info.name); 3939 BasePermission bp = mSettings.mPermissions.get(info.name); 3940 boolean added = bp == null; 3941 boolean changed = true; 3942 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3943 if (added) { 3944 enforcePermissionCapLocked(info, tree); 3945 bp = new BasePermission(info.name, tree.sourcePackage, 3946 BasePermission.TYPE_DYNAMIC); 3947 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3948 throw new SecurityException( 3949 "Not allowed to modify non-dynamic permission " 3950 + info.name); 3951 } else { 3952 if (bp.protectionLevel == fixedLevel 3953 && bp.perm.owner.equals(tree.perm.owner) 3954 && bp.uid == tree.uid 3955 && comparePermissionInfos(bp.perm.info, info)) { 3956 changed = false; 3957 } 3958 } 3959 bp.protectionLevel = fixedLevel; 3960 info = new PermissionInfo(info); 3961 info.protectionLevel = fixedLevel; 3962 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3963 bp.perm.info.packageName = tree.perm.info.packageName; 3964 bp.uid = tree.uid; 3965 if (added) { 3966 mSettings.mPermissions.put(info.name, bp); 3967 } 3968 if (changed) { 3969 if (!async) { 3970 mSettings.writeLPr(); 3971 } else { 3972 scheduleWriteSettingsLocked(); 3973 } 3974 } 3975 return added; 3976 } 3977 3978 @Override 3979 public boolean addPermission(PermissionInfo info) { 3980 synchronized (mPackages) { 3981 return addPermissionLocked(info, false); 3982 } 3983 } 3984 3985 @Override 3986 public boolean addPermissionAsync(PermissionInfo info) { 3987 synchronized (mPackages) { 3988 return addPermissionLocked(info, true); 3989 } 3990 } 3991 3992 @Override 3993 public void removePermission(String name) { 3994 synchronized (mPackages) { 3995 checkPermissionTreeLP(name); 3996 BasePermission bp = mSettings.mPermissions.get(name); 3997 if (bp != null) { 3998 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3999 throw new SecurityException( 4000 "Not allowed to modify non-dynamic permission " 4001 + name); 4002 } 4003 mSettings.mPermissions.remove(name); 4004 mSettings.writeLPr(); 4005 } 4006 } 4007 } 4008 4009 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4010 BasePermission bp) { 4011 int index = pkg.requestedPermissions.indexOf(bp.name); 4012 if (index == -1) { 4013 throw new SecurityException("Package " + pkg.packageName 4014 + " has not requested permission " + bp.name); 4015 } 4016 if (!bp.isRuntime() && !bp.isDevelopment()) { 4017 throw new SecurityException("Permission " + bp.name 4018 + " is not a changeable permission type"); 4019 } 4020 } 4021 4022 @Override 4023 public void grantRuntimePermission(String packageName, String name, final int userId) { 4024 if (!sUserManager.exists(userId)) { 4025 Log.e(TAG, "No such user:" + userId); 4026 return; 4027 } 4028 4029 mContext.enforceCallingOrSelfPermission( 4030 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4031 "grantRuntimePermission"); 4032 4033 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4034 true /* requireFullPermission */, true /* checkShell */, 4035 "grantRuntimePermission"); 4036 4037 final int uid; 4038 final SettingBase sb; 4039 4040 synchronized (mPackages) { 4041 final PackageParser.Package pkg = mPackages.get(packageName); 4042 if (pkg == null) { 4043 throw new IllegalArgumentException("Unknown package: " + packageName); 4044 } 4045 4046 final BasePermission bp = mSettings.mPermissions.get(name); 4047 if (bp == null) { 4048 throw new IllegalArgumentException("Unknown permission: " + name); 4049 } 4050 4051 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4052 4053 // If a permission review is required for legacy apps we represent 4054 // their permissions as always granted runtime ones since we need 4055 // to keep the review required permission flag per user while an 4056 // install permission's state is shared across all users. 4057 if (Build.PERMISSIONS_REVIEW_REQUIRED 4058 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4059 && bp.isRuntime()) { 4060 return; 4061 } 4062 4063 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4064 sb = (SettingBase) pkg.mExtras; 4065 if (sb == null) { 4066 throw new IllegalArgumentException("Unknown package: " + packageName); 4067 } 4068 4069 final PermissionsState permissionsState = sb.getPermissionsState(); 4070 4071 final int flags = permissionsState.getPermissionFlags(name, userId); 4072 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4073 throw new SecurityException("Cannot grant system fixed permission " 4074 + name + " for package " + packageName); 4075 } 4076 4077 if (bp.isDevelopment()) { 4078 // Development permissions must be handled specially, since they are not 4079 // normal runtime permissions. For now they apply to all users. 4080 if (permissionsState.grantInstallPermission(bp) != 4081 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4082 scheduleWriteSettingsLocked(); 4083 } 4084 return; 4085 } 4086 4087 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4088 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4089 return; 4090 } 4091 4092 final int result = permissionsState.grantRuntimePermission(bp, userId); 4093 switch (result) { 4094 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4095 return; 4096 } 4097 4098 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4099 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4100 mHandler.post(new Runnable() { 4101 @Override 4102 public void run() { 4103 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4104 } 4105 }); 4106 } 4107 break; 4108 } 4109 4110 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4111 4112 // Not critical if that is lost - app has to request again. 4113 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4114 } 4115 4116 // Only need to do this if user is initialized. Otherwise it's a new user 4117 // and there are no processes running as the user yet and there's no need 4118 // to make an expensive call to remount processes for the changed permissions. 4119 if (READ_EXTERNAL_STORAGE.equals(name) 4120 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4121 final long token = Binder.clearCallingIdentity(); 4122 try { 4123 if (sUserManager.isInitialized(userId)) { 4124 MountServiceInternal mountServiceInternal = LocalServices.getService( 4125 MountServiceInternal.class); 4126 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4127 } 4128 } finally { 4129 Binder.restoreCallingIdentity(token); 4130 } 4131 } 4132 } 4133 4134 @Override 4135 public void revokeRuntimePermission(String packageName, String name, int userId) { 4136 if (!sUserManager.exists(userId)) { 4137 Log.e(TAG, "No such user:" + userId); 4138 return; 4139 } 4140 4141 mContext.enforceCallingOrSelfPermission( 4142 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4143 "revokeRuntimePermission"); 4144 4145 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4146 true /* requireFullPermission */, true /* checkShell */, 4147 "revokeRuntimePermission"); 4148 4149 final int appId; 4150 4151 synchronized (mPackages) { 4152 final PackageParser.Package pkg = mPackages.get(packageName); 4153 if (pkg == null) { 4154 throw new IllegalArgumentException("Unknown package: " + packageName); 4155 } 4156 4157 final BasePermission bp = mSettings.mPermissions.get(name); 4158 if (bp == null) { 4159 throw new IllegalArgumentException("Unknown permission: " + name); 4160 } 4161 4162 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4163 4164 // If a permission review is required for legacy apps we represent 4165 // their permissions as always granted runtime ones since we need 4166 // to keep the review required permission flag per user while an 4167 // install permission's state is shared across all users. 4168 if (Build.PERMISSIONS_REVIEW_REQUIRED 4169 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4170 && bp.isRuntime()) { 4171 return; 4172 } 4173 4174 SettingBase sb = (SettingBase) pkg.mExtras; 4175 if (sb == null) { 4176 throw new IllegalArgumentException("Unknown package: " + packageName); 4177 } 4178 4179 final PermissionsState permissionsState = sb.getPermissionsState(); 4180 4181 final int flags = permissionsState.getPermissionFlags(name, userId); 4182 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4183 throw new SecurityException("Cannot revoke system fixed permission " 4184 + name + " for package " + packageName); 4185 } 4186 4187 if (bp.isDevelopment()) { 4188 // Development permissions must be handled specially, since they are not 4189 // normal runtime permissions. For now they apply to all users. 4190 if (permissionsState.revokeInstallPermission(bp) != 4191 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4192 scheduleWriteSettingsLocked(); 4193 } 4194 return; 4195 } 4196 4197 if (permissionsState.revokeRuntimePermission(bp, userId) == 4198 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4199 return; 4200 } 4201 4202 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4203 4204 // Critical, after this call app should never have the permission. 4205 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4206 4207 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4208 } 4209 4210 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4211 } 4212 4213 @Override 4214 public void resetRuntimePermissions() { 4215 mContext.enforceCallingOrSelfPermission( 4216 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4217 "revokeRuntimePermission"); 4218 4219 int callingUid = Binder.getCallingUid(); 4220 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4221 mContext.enforceCallingOrSelfPermission( 4222 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4223 "resetRuntimePermissions"); 4224 } 4225 4226 synchronized (mPackages) { 4227 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4228 for (int userId : UserManagerService.getInstance().getUserIds()) { 4229 final int packageCount = mPackages.size(); 4230 for (int i = 0; i < packageCount; i++) { 4231 PackageParser.Package pkg = mPackages.valueAt(i); 4232 if (!(pkg.mExtras instanceof PackageSetting)) { 4233 continue; 4234 } 4235 PackageSetting ps = (PackageSetting) pkg.mExtras; 4236 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4237 } 4238 } 4239 } 4240 } 4241 4242 @Override 4243 public int getPermissionFlags(String name, String packageName, int userId) { 4244 if (!sUserManager.exists(userId)) { 4245 return 0; 4246 } 4247 4248 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4249 4250 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4251 true /* requireFullPermission */, false /* checkShell */, 4252 "getPermissionFlags"); 4253 4254 synchronized (mPackages) { 4255 final PackageParser.Package pkg = mPackages.get(packageName); 4256 if (pkg == null) { 4257 throw new IllegalArgumentException("Unknown package: " + packageName); 4258 } 4259 4260 final BasePermission bp = mSettings.mPermissions.get(name); 4261 if (bp == null) { 4262 throw new IllegalArgumentException("Unknown permission: " + name); 4263 } 4264 4265 SettingBase sb = (SettingBase) pkg.mExtras; 4266 if (sb == null) { 4267 throw new IllegalArgumentException("Unknown package: " + packageName); 4268 } 4269 4270 PermissionsState permissionsState = sb.getPermissionsState(); 4271 return permissionsState.getPermissionFlags(name, userId); 4272 } 4273 } 4274 4275 @Override 4276 public void updatePermissionFlags(String name, String packageName, int flagMask, 4277 int flagValues, int userId) { 4278 if (!sUserManager.exists(userId)) { 4279 return; 4280 } 4281 4282 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4283 4284 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4285 true /* requireFullPermission */, true /* checkShell */, 4286 "updatePermissionFlags"); 4287 4288 // Only the system can change these flags and nothing else. 4289 if (getCallingUid() != Process.SYSTEM_UID) { 4290 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4291 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4292 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4293 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4294 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4295 } 4296 4297 synchronized (mPackages) { 4298 final PackageParser.Package pkg = mPackages.get(packageName); 4299 if (pkg == null) { 4300 throw new IllegalArgumentException("Unknown package: " + packageName); 4301 } 4302 4303 final BasePermission bp = mSettings.mPermissions.get(name); 4304 if (bp == null) { 4305 throw new IllegalArgumentException("Unknown permission: " + name); 4306 } 4307 4308 SettingBase sb = (SettingBase) pkg.mExtras; 4309 if (sb == null) { 4310 throw new IllegalArgumentException("Unknown package: " + packageName); 4311 } 4312 4313 PermissionsState permissionsState = sb.getPermissionsState(); 4314 4315 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4316 4317 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4318 // Install and runtime permissions are stored in different places, 4319 // so figure out what permission changed and persist the change. 4320 if (permissionsState.getInstallPermissionState(name) != null) { 4321 scheduleWriteSettingsLocked(); 4322 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4323 || hadState) { 4324 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4325 } 4326 } 4327 } 4328 } 4329 4330 /** 4331 * Update the permission flags for all packages and runtime permissions of a user in order 4332 * to allow device or profile owner to remove POLICY_FIXED. 4333 */ 4334 @Override 4335 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4336 if (!sUserManager.exists(userId)) { 4337 return; 4338 } 4339 4340 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4341 4342 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4343 true /* requireFullPermission */, true /* checkShell */, 4344 "updatePermissionFlagsForAllApps"); 4345 4346 // Only the system can change system fixed flags. 4347 if (getCallingUid() != Process.SYSTEM_UID) { 4348 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4349 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4350 } 4351 4352 synchronized (mPackages) { 4353 boolean changed = false; 4354 final int packageCount = mPackages.size(); 4355 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4356 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4357 SettingBase sb = (SettingBase) pkg.mExtras; 4358 if (sb == null) { 4359 continue; 4360 } 4361 PermissionsState permissionsState = sb.getPermissionsState(); 4362 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4363 userId, flagMask, flagValues); 4364 } 4365 if (changed) { 4366 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4367 } 4368 } 4369 } 4370 4371 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4372 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4373 != PackageManager.PERMISSION_GRANTED 4374 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4375 != PackageManager.PERMISSION_GRANTED) { 4376 throw new SecurityException(message + " requires " 4377 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4378 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4379 } 4380 } 4381 4382 @Override 4383 public boolean shouldShowRequestPermissionRationale(String permissionName, 4384 String packageName, int userId) { 4385 if (UserHandle.getCallingUserId() != userId) { 4386 mContext.enforceCallingPermission( 4387 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4388 "canShowRequestPermissionRationale for user " + userId); 4389 } 4390 4391 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4392 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4393 return false; 4394 } 4395 4396 if (checkPermission(permissionName, packageName, userId) 4397 == PackageManager.PERMISSION_GRANTED) { 4398 return false; 4399 } 4400 4401 final int flags; 4402 4403 final long identity = Binder.clearCallingIdentity(); 4404 try { 4405 flags = getPermissionFlags(permissionName, 4406 packageName, userId); 4407 } finally { 4408 Binder.restoreCallingIdentity(identity); 4409 } 4410 4411 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4412 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4413 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4414 4415 if ((flags & fixedFlags) != 0) { 4416 return false; 4417 } 4418 4419 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4420 } 4421 4422 @Override 4423 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4424 mContext.enforceCallingOrSelfPermission( 4425 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4426 "addOnPermissionsChangeListener"); 4427 4428 synchronized (mPackages) { 4429 mOnPermissionChangeListeners.addListenerLocked(listener); 4430 } 4431 } 4432 4433 @Override 4434 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4435 synchronized (mPackages) { 4436 mOnPermissionChangeListeners.removeListenerLocked(listener); 4437 } 4438 } 4439 4440 @Override 4441 public boolean isProtectedBroadcast(String actionName) { 4442 synchronized (mPackages) { 4443 if (mProtectedBroadcasts.contains(actionName)) { 4444 return true; 4445 } else if (actionName != null) { 4446 // TODO: remove these terrible hacks 4447 if (actionName.startsWith("android.net.netmon.lingerExpired") 4448 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4449 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4450 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4451 return true; 4452 } 4453 } 4454 } 4455 return false; 4456 } 4457 4458 @Override 4459 public int checkSignatures(String pkg1, String pkg2) { 4460 synchronized (mPackages) { 4461 final PackageParser.Package p1 = mPackages.get(pkg1); 4462 final PackageParser.Package p2 = mPackages.get(pkg2); 4463 if (p1 == null || p1.mExtras == null 4464 || p2 == null || p2.mExtras == null) { 4465 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4466 } 4467 return compareSignatures(p1.mSignatures, p2.mSignatures); 4468 } 4469 } 4470 4471 @Override 4472 public int checkUidSignatures(int uid1, int uid2) { 4473 // Map to base uids. 4474 uid1 = UserHandle.getAppId(uid1); 4475 uid2 = UserHandle.getAppId(uid2); 4476 // reader 4477 synchronized (mPackages) { 4478 Signature[] s1; 4479 Signature[] s2; 4480 Object obj = mSettings.getUserIdLPr(uid1); 4481 if (obj != null) { 4482 if (obj instanceof SharedUserSetting) { 4483 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4484 } else if (obj instanceof PackageSetting) { 4485 s1 = ((PackageSetting)obj).signatures.mSignatures; 4486 } else { 4487 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4488 } 4489 } else { 4490 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4491 } 4492 obj = mSettings.getUserIdLPr(uid2); 4493 if (obj != null) { 4494 if (obj instanceof SharedUserSetting) { 4495 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4496 } else if (obj instanceof PackageSetting) { 4497 s2 = ((PackageSetting)obj).signatures.mSignatures; 4498 } else { 4499 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4500 } 4501 } else { 4502 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4503 } 4504 return compareSignatures(s1, s2); 4505 } 4506 } 4507 4508 /** 4509 * This method should typically only be used when granting or revoking 4510 * permissions, since the app may immediately restart after this call. 4511 * <p> 4512 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4513 * guard your work against the app being relaunched. 4514 */ 4515 private void killUid(int appId, int userId, String reason) { 4516 final long identity = Binder.clearCallingIdentity(); 4517 try { 4518 IActivityManager am = ActivityManagerNative.getDefault(); 4519 if (am != null) { 4520 try { 4521 am.killUid(appId, userId, reason); 4522 } catch (RemoteException e) { 4523 /* ignore - same process */ 4524 } 4525 } 4526 } finally { 4527 Binder.restoreCallingIdentity(identity); 4528 } 4529 } 4530 4531 /** 4532 * Compares two sets of signatures. Returns: 4533 * <br /> 4534 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4535 * <br /> 4536 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4537 * <br /> 4538 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4539 * <br /> 4540 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4541 * <br /> 4542 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4543 */ 4544 static int compareSignatures(Signature[] s1, Signature[] s2) { 4545 if (s1 == null) { 4546 return s2 == null 4547 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4548 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4549 } 4550 4551 if (s2 == null) { 4552 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4553 } 4554 4555 if (s1.length != s2.length) { 4556 return PackageManager.SIGNATURE_NO_MATCH; 4557 } 4558 4559 // Since both signature sets are of size 1, we can compare without HashSets. 4560 if (s1.length == 1) { 4561 return s1[0].equals(s2[0]) ? 4562 PackageManager.SIGNATURE_MATCH : 4563 PackageManager.SIGNATURE_NO_MATCH; 4564 } 4565 4566 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4567 for (Signature sig : s1) { 4568 set1.add(sig); 4569 } 4570 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4571 for (Signature sig : s2) { 4572 set2.add(sig); 4573 } 4574 // Make sure s2 contains all signatures in s1. 4575 if (set1.equals(set2)) { 4576 return PackageManager.SIGNATURE_MATCH; 4577 } 4578 return PackageManager.SIGNATURE_NO_MATCH; 4579 } 4580 4581 /** 4582 * If the database version for this type of package (internal storage or 4583 * external storage) is less than the version where package signatures 4584 * were updated, return true. 4585 */ 4586 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4587 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4588 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4589 } 4590 4591 /** 4592 * Used for backward compatibility to make sure any packages with 4593 * certificate chains get upgraded to the new style. {@code existingSigs} 4594 * will be in the old format (since they were stored on disk from before the 4595 * system upgrade) and {@code scannedSigs} will be in the newer format. 4596 */ 4597 private int compareSignaturesCompat(PackageSignatures existingSigs, 4598 PackageParser.Package scannedPkg) { 4599 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4600 return PackageManager.SIGNATURE_NO_MATCH; 4601 } 4602 4603 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4604 for (Signature sig : existingSigs.mSignatures) { 4605 existingSet.add(sig); 4606 } 4607 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4608 for (Signature sig : scannedPkg.mSignatures) { 4609 try { 4610 Signature[] chainSignatures = sig.getChainSignatures(); 4611 for (Signature chainSig : chainSignatures) { 4612 scannedCompatSet.add(chainSig); 4613 } 4614 } catch (CertificateEncodingException e) { 4615 scannedCompatSet.add(sig); 4616 } 4617 } 4618 /* 4619 * Make sure the expanded scanned set contains all signatures in the 4620 * existing one. 4621 */ 4622 if (scannedCompatSet.equals(existingSet)) { 4623 // Migrate the old signatures to the new scheme. 4624 existingSigs.assignSignatures(scannedPkg.mSignatures); 4625 // The new KeySets will be re-added later in the scanning process. 4626 synchronized (mPackages) { 4627 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4628 } 4629 return PackageManager.SIGNATURE_MATCH; 4630 } 4631 return PackageManager.SIGNATURE_NO_MATCH; 4632 } 4633 4634 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4635 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4636 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4637 } 4638 4639 private int compareSignaturesRecover(PackageSignatures existingSigs, 4640 PackageParser.Package scannedPkg) { 4641 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4642 return PackageManager.SIGNATURE_NO_MATCH; 4643 } 4644 4645 String msg = null; 4646 try { 4647 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4648 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4649 + scannedPkg.packageName); 4650 return PackageManager.SIGNATURE_MATCH; 4651 } 4652 } catch (CertificateException e) { 4653 msg = e.getMessage(); 4654 } 4655 4656 logCriticalInfo(Log.INFO, 4657 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4658 return PackageManager.SIGNATURE_NO_MATCH; 4659 } 4660 4661 @Override 4662 public List<String> getAllPackages() { 4663 synchronized (mPackages) { 4664 return new ArrayList<String>(mPackages.keySet()); 4665 } 4666 } 4667 4668 @Override 4669 public String[] getPackagesForUid(int uid) { 4670 uid = UserHandle.getAppId(uid); 4671 // reader 4672 synchronized (mPackages) { 4673 Object obj = mSettings.getUserIdLPr(uid); 4674 if (obj instanceof SharedUserSetting) { 4675 final SharedUserSetting sus = (SharedUserSetting) obj; 4676 final int N = sus.packages.size(); 4677 final String[] res = new String[N]; 4678 final Iterator<PackageSetting> it = sus.packages.iterator(); 4679 int i = 0; 4680 while (it.hasNext()) { 4681 res[i++] = it.next().name; 4682 } 4683 return res; 4684 } else if (obj instanceof PackageSetting) { 4685 final PackageSetting ps = (PackageSetting) obj; 4686 return new String[] { ps.name }; 4687 } 4688 } 4689 return null; 4690 } 4691 4692 @Override 4693 public String getNameForUid(int uid) { 4694 // reader 4695 synchronized (mPackages) { 4696 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4697 if (obj instanceof SharedUserSetting) { 4698 final SharedUserSetting sus = (SharedUserSetting) obj; 4699 return sus.name + ":" + sus.userId; 4700 } else if (obj instanceof PackageSetting) { 4701 final PackageSetting ps = (PackageSetting) obj; 4702 return ps.name; 4703 } 4704 } 4705 return null; 4706 } 4707 4708 @Override 4709 public int getUidForSharedUser(String sharedUserName) { 4710 if(sharedUserName == null) { 4711 return -1; 4712 } 4713 // reader 4714 synchronized (mPackages) { 4715 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4716 if (suid == null) { 4717 return -1; 4718 } 4719 return suid.userId; 4720 } 4721 } 4722 4723 @Override 4724 public int getFlagsForUid(int uid) { 4725 synchronized (mPackages) { 4726 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4727 if (obj instanceof SharedUserSetting) { 4728 final SharedUserSetting sus = (SharedUserSetting) obj; 4729 return sus.pkgFlags; 4730 } else if (obj instanceof PackageSetting) { 4731 final PackageSetting ps = (PackageSetting) obj; 4732 return ps.pkgFlags; 4733 } 4734 } 4735 return 0; 4736 } 4737 4738 @Override 4739 public int getPrivateFlagsForUid(int uid) { 4740 synchronized (mPackages) { 4741 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4742 if (obj instanceof SharedUserSetting) { 4743 final SharedUserSetting sus = (SharedUserSetting) obj; 4744 return sus.pkgPrivateFlags; 4745 } else if (obj instanceof PackageSetting) { 4746 final PackageSetting ps = (PackageSetting) obj; 4747 return ps.pkgPrivateFlags; 4748 } 4749 } 4750 return 0; 4751 } 4752 4753 @Override 4754 public boolean isUidPrivileged(int uid) { 4755 uid = UserHandle.getAppId(uid); 4756 // reader 4757 synchronized (mPackages) { 4758 Object obj = mSettings.getUserIdLPr(uid); 4759 if (obj instanceof SharedUserSetting) { 4760 final SharedUserSetting sus = (SharedUserSetting) obj; 4761 final Iterator<PackageSetting> it = sus.packages.iterator(); 4762 while (it.hasNext()) { 4763 if (it.next().isPrivileged()) { 4764 return true; 4765 } 4766 } 4767 } else if (obj instanceof PackageSetting) { 4768 final PackageSetting ps = (PackageSetting) obj; 4769 return ps.isPrivileged(); 4770 } 4771 } 4772 return false; 4773 } 4774 4775 @Override 4776 public String[] getAppOpPermissionPackages(String permissionName) { 4777 synchronized (mPackages) { 4778 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4779 if (pkgs == null) { 4780 return null; 4781 } 4782 return pkgs.toArray(new String[pkgs.size()]); 4783 } 4784 } 4785 4786 @Override 4787 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4788 int flags, int userId) { 4789 try { 4790 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4791 4792 if (!sUserManager.exists(userId)) return null; 4793 flags = updateFlagsForResolve(flags, userId, intent); 4794 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4795 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4796 4797 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4798 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4799 flags, userId); 4800 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4801 4802 final ResolveInfo bestChoice = 4803 chooseBestActivity(intent, resolvedType, flags, query, userId); 4804 4805 if (isEphemeralAllowed(intent, query, userId)) { 4806 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4807 final EphemeralResolveInfo ai = 4808 getEphemeralResolveInfo(intent, resolvedType, userId); 4809 if (ai != null) { 4810 if (DEBUG_EPHEMERAL) { 4811 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4812 } 4813 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4814 bestChoice.ephemeralResolveInfo = ai; 4815 } 4816 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4817 } 4818 return bestChoice; 4819 } finally { 4820 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4821 } 4822 } 4823 4824 @Override 4825 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4826 IntentFilter filter, int match, ComponentName activity) { 4827 final int userId = UserHandle.getCallingUserId(); 4828 if (DEBUG_PREFERRED) { 4829 Log.v(TAG, "setLastChosenActivity intent=" + intent 4830 + " resolvedType=" + resolvedType 4831 + " flags=" + flags 4832 + " filter=" + filter 4833 + " match=" + match 4834 + " activity=" + activity); 4835 filter.dump(new PrintStreamPrinter(System.out), " "); 4836 } 4837 intent.setComponent(null); 4838 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4839 userId); 4840 // Find any earlier preferred or last chosen entries and nuke them 4841 findPreferredActivity(intent, resolvedType, 4842 flags, query, 0, false, true, false, userId); 4843 // Add the new activity as the last chosen for this filter 4844 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4845 "Setting last chosen"); 4846 } 4847 4848 @Override 4849 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4850 final int userId = UserHandle.getCallingUserId(); 4851 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4852 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4853 userId); 4854 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4855 false, false, false, userId); 4856 } 4857 4858 4859 private boolean isEphemeralAllowed( 4860 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4861 // Short circuit and return early if possible. 4862 if (DISABLE_EPHEMERAL_APPS) { 4863 return false; 4864 } 4865 final int callingUser = UserHandle.getCallingUserId(); 4866 if (callingUser != UserHandle.USER_SYSTEM) { 4867 return false; 4868 } 4869 if (mEphemeralResolverConnection == null) { 4870 return false; 4871 } 4872 if (intent.getComponent() != null) { 4873 return false; 4874 } 4875 if (intent.getPackage() != null) { 4876 return false; 4877 } 4878 final boolean isWebUri = hasWebURI(intent); 4879 if (!isWebUri) { 4880 return false; 4881 } 4882 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4883 synchronized (mPackages) { 4884 final int count = resolvedActivites.size(); 4885 for (int n = 0; n < count; n++) { 4886 ResolveInfo info = resolvedActivites.get(n); 4887 String packageName = info.activityInfo.packageName; 4888 PackageSetting ps = mSettings.mPackages.get(packageName); 4889 if (ps != null) { 4890 // Try to get the status from User settings first 4891 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4892 int status = (int) (packedStatus >> 32); 4893 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4894 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4895 if (DEBUG_EPHEMERAL) { 4896 Slog.v(TAG, "DENY ephemeral apps;" 4897 + " pkg: " + packageName + ", status: " + status); 4898 } 4899 return false; 4900 } 4901 } 4902 } 4903 } 4904 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4905 return true; 4906 } 4907 4908 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4909 int userId) { 4910 MessageDigest digest = null; 4911 try { 4912 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4913 } catch (NoSuchAlgorithmException e) { 4914 // If we can't create a digest, ignore ephemeral apps. 4915 return null; 4916 } 4917 4918 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4919 final byte[] digestBytes = digest.digest(hostBytes); 4920 int shaPrefix = 4921 digestBytes[0] << 24 4922 | digestBytes[1] << 16 4923 | digestBytes[2] << 8 4924 | digestBytes[3] << 0; 4925 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4926 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4927 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4928 // No hash prefix match; there are no ephemeral apps for this domain. 4929 return null; 4930 } 4931 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4932 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4933 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4934 continue; 4935 } 4936 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4937 // No filters; this should never happen. 4938 if (filters.isEmpty()) { 4939 continue; 4940 } 4941 // We have a domain match; resolve the filters to see if anything matches. 4942 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4943 for (int j = filters.size() - 1; j >= 0; --j) { 4944 final EphemeralResolveIntentInfo intentInfo = 4945 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4946 ephemeralResolver.addFilter(intentInfo); 4947 } 4948 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4949 intent, resolvedType, false /*defaultOnly*/, userId); 4950 if (!matchedResolveInfoList.isEmpty()) { 4951 return matchedResolveInfoList.get(0); 4952 } 4953 } 4954 // Hash or filter mis-match; no ephemeral apps for this domain. 4955 return null; 4956 } 4957 4958 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4959 int flags, List<ResolveInfo> query, int userId) { 4960 if (query != null) { 4961 final int N = query.size(); 4962 if (N == 1) { 4963 return query.get(0); 4964 } else if (N > 1) { 4965 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4966 // If there is more than one activity with the same priority, 4967 // then let the user decide between them. 4968 ResolveInfo r0 = query.get(0); 4969 ResolveInfo r1 = query.get(1); 4970 if (DEBUG_INTENT_MATCHING || debug) { 4971 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4972 + r1.activityInfo.name + "=" + r1.priority); 4973 } 4974 // If the first activity has a higher priority, or a different 4975 // default, then it is always desirable to pick it. 4976 if (r0.priority != r1.priority 4977 || r0.preferredOrder != r1.preferredOrder 4978 || r0.isDefault != r1.isDefault) { 4979 return query.get(0); 4980 } 4981 // If we have saved a preference for a preferred activity for 4982 // this Intent, use that. 4983 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4984 flags, query, r0.priority, true, false, debug, userId); 4985 if (ri != null) { 4986 return ri; 4987 } 4988 ri = new ResolveInfo(mResolveInfo); 4989 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4990 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4991 ri.activityInfo.applicationInfo = new ApplicationInfo( 4992 ri.activityInfo.applicationInfo); 4993 if (userId != 0) { 4994 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4995 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4996 } 4997 // Make sure that the resolver is displayable in car mode 4998 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4999 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5000 return ri; 5001 } 5002 } 5003 return null; 5004 } 5005 5006 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5007 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5008 final int N = query.size(); 5009 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5010 .get(userId); 5011 // Get the list of persistent preferred activities that handle the intent 5012 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5013 List<PersistentPreferredActivity> pprefs = ppir != null 5014 ? ppir.queryIntent(intent, resolvedType, 5015 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5016 : null; 5017 if (pprefs != null && pprefs.size() > 0) { 5018 final int M = pprefs.size(); 5019 for (int i=0; i<M; i++) { 5020 final PersistentPreferredActivity ppa = pprefs.get(i); 5021 if (DEBUG_PREFERRED || debug) { 5022 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5023 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5024 + "\n component=" + ppa.mComponent); 5025 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5026 } 5027 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5028 flags | MATCH_DISABLED_COMPONENTS, userId); 5029 if (DEBUG_PREFERRED || debug) { 5030 Slog.v(TAG, "Found persistent preferred activity:"); 5031 if (ai != null) { 5032 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5033 } else { 5034 Slog.v(TAG, " null"); 5035 } 5036 } 5037 if (ai == null) { 5038 // This previously registered persistent preferred activity 5039 // component is no longer known. Ignore it and do NOT remove it. 5040 continue; 5041 } 5042 for (int j=0; j<N; j++) { 5043 final ResolveInfo ri = query.get(j); 5044 if (!ri.activityInfo.applicationInfo.packageName 5045 .equals(ai.applicationInfo.packageName)) { 5046 continue; 5047 } 5048 if (!ri.activityInfo.name.equals(ai.name)) { 5049 continue; 5050 } 5051 // Found a persistent preference that can handle the intent. 5052 if (DEBUG_PREFERRED || debug) { 5053 Slog.v(TAG, "Returning persistent preferred activity: " + 5054 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5055 } 5056 return ri; 5057 } 5058 } 5059 } 5060 return null; 5061 } 5062 5063 // TODO: handle preferred activities missing while user has amnesia 5064 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5065 List<ResolveInfo> query, int priority, boolean always, 5066 boolean removeMatches, boolean debug, int userId) { 5067 if (!sUserManager.exists(userId)) return null; 5068 flags = updateFlagsForResolve(flags, userId, intent); 5069 // writer 5070 synchronized (mPackages) { 5071 if (intent.getSelector() != null) { 5072 intent = intent.getSelector(); 5073 } 5074 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5075 5076 // Try to find a matching persistent preferred activity. 5077 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5078 debug, userId); 5079 5080 // If a persistent preferred activity matched, use it. 5081 if (pri != null) { 5082 return pri; 5083 } 5084 5085 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5086 // Get the list of preferred activities that handle the intent 5087 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5088 List<PreferredActivity> prefs = pir != null 5089 ? pir.queryIntent(intent, resolvedType, 5090 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5091 : null; 5092 if (prefs != null && prefs.size() > 0) { 5093 boolean changed = false; 5094 try { 5095 // First figure out how good the original match set is. 5096 // We will only allow preferred activities that came 5097 // from the same match quality. 5098 int match = 0; 5099 5100 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5101 5102 final int N = query.size(); 5103 for (int j=0; j<N; j++) { 5104 final ResolveInfo ri = query.get(j); 5105 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5106 + ": 0x" + Integer.toHexString(match)); 5107 if (ri.match > match) { 5108 match = ri.match; 5109 } 5110 } 5111 5112 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5113 + Integer.toHexString(match)); 5114 5115 match &= IntentFilter.MATCH_CATEGORY_MASK; 5116 final int M = prefs.size(); 5117 for (int i=0; i<M; i++) { 5118 final PreferredActivity pa = prefs.get(i); 5119 if (DEBUG_PREFERRED || debug) { 5120 Slog.v(TAG, "Checking PreferredActivity ds=" 5121 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5122 + "\n component=" + pa.mPref.mComponent); 5123 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5124 } 5125 if (pa.mPref.mMatch != match) { 5126 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5127 + Integer.toHexString(pa.mPref.mMatch)); 5128 continue; 5129 } 5130 // If it's not an "always" type preferred activity and that's what we're 5131 // looking for, skip it. 5132 if (always && !pa.mPref.mAlways) { 5133 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5134 continue; 5135 } 5136 final ActivityInfo ai = getActivityInfo( 5137 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5138 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5139 userId); 5140 if (DEBUG_PREFERRED || debug) { 5141 Slog.v(TAG, "Found preferred activity:"); 5142 if (ai != null) { 5143 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5144 } else { 5145 Slog.v(TAG, " null"); 5146 } 5147 } 5148 if (ai == null) { 5149 // This previously registered preferred activity 5150 // component is no longer known. Most likely an update 5151 // to the app was installed and in the new version this 5152 // component no longer exists. Clean it up by removing 5153 // it from the preferred activities list, and skip it. 5154 Slog.w(TAG, "Removing dangling preferred activity: " 5155 + pa.mPref.mComponent); 5156 pir.removeFilter(pa); 5157 changed = true; 5158 continue; 5159 } 5160 for (int j=0; j<N; j++) { 5161 final ResolveInfo ri = query.get(j); 5162 if (!ri.activityInfo.applicationInfo.packageName 5163 .equals(ai.applicationInfo.packageName)) { 5164 continue; 5165 } 5166 if (!ri.activityInfo.name.equals(ai.name)) { 5167 continue; 5168 } 5169 5170 if (removeMatches) { 5171 pir.removeFilter(pa); 5172 changed = true; 5173 if (DEBUG_PREFERRED) { 5174 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5175 } 5176 break; 5177 } 5178 5179 // Okay we found a previously set preferred or last chosen app. 5180 // If the result set is different from when this 5181 // was created, we need to clear it and re-ask the 5182 // user their preference, if we're looking for an "always" type entry. 5183 if (always && !pa.mPref.sameSet(query)) { 5184 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5185 + intent + " type " + resolvedType); 5186 if (DEBUG_PREFERRED) { 5187 Slog.v(TAG, "Removing preferred activity since set changed " 5188 + pa.mPref.mComponent); 5189 } 5190 pir.removeFilter(pa); 5191 // Re-add the filter as a "last chosen" entry (!always) 5192 PreferredActivity lastChosen = new PreferredActivity( 5193 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5194 pir.addFilter(lastChosen); 5195 changed = true; 5196 return null; 5197 } 5198 5199 // Yay! Either the set matched or we're looking for the last chosen 5200 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5201 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5202 return ri; 5203 } 5204 } 5205 } finally { 5206 if (changed) { 5207 if (DEBUG_PREFERRED) { 5208 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5209 } 5210 scheduleWritePackageRestrictionsLocked(userId); 5211 } 5212 } 5213 } 5214 } 5215 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5216 return null; 5217 } 5218 5219 /* 5220 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5221 */ 5222 @Override 5223 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5224 int targetUserId) { 5225 mContext.enforceCallingOrSelfPermission( 5226 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5227 List<CrossProfileIntentFilter> matches = 5228 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5229 if (matches != null) { 5230 int size = matches.size(); 5231 for (int i = 0; i < size; i++) { 5232 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5233 } 5234 } 5235 if (hasWebURI(intent)) { 5236 // cross-profile app linking works only towards the parent. 5237 final UserInfo parent = getProfileParent(sourceUserId); 5238 synchronized(mPackages) { 5239 int flags = updateFlagsForResolve(0, parent.id, intent); 5240 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5241 intent, resolvedType, flags, sourceUserId, parent.id); 5242 return xpDomainInfo != null; 5243 } 5244 } 5245 return false; 5246 } 5247 5248 private UserInfo getProfileParent(int userId) { 5249 final long identity = Binder.clearCallingIdentity(); 5250 try { 5251 return sUserManager.getProfileParent(userId); 5252 } finally { 5253 Binder.restoreCallingIdentity(identity); 5254 } 5255 } 5256 5257 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5258 String resolvedType, int userId) { 5259 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5260 if (resolver != null) { 5261 return resolver.queryIntent(intent, resolvedType, false, userId); 5262 } 5263 return null; 5264 } 5265 5266 @Override 5267 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5268 String resolvedType, int flags, int userId) { 5269 try { 5270 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5271 5272 return new ParceledListSlice<>( 5273 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5274 } finally { 5275 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5276 } 5277 } 5278 5279 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5280 String resolvedType, int flags, int userId) { 5281 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5282 flags = updateFlagsForResolve(flags, userId, intent); 5283 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5284 false /* requireFullPermission */, false /* checkShell */, 5285 "query intent activities"); 5286 ComponentName comp = intent.getComponent(); 5287 if (comp == null) { 5288 if (intent.getSelector() != null) { 5289 intent = intent.getSelector(); 5290 comp = intent.getComponent(); 5291 } 5292 } 5293 5294 if (comp != null) { 5295 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5296 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5297 if (ai != null) { 5298 final ResolveInfo ri = new ResolveInfo(); 5299 ri.activityInfo = ai; 5300 list.add(ri); 5301 } 5302 return list; 5303 } 5304 5305 // reader 5306 synchronized (mPackages) { 5307 final String pkgName = intent.getPackage(); 5308 if (pkgName == null) { 5309 List<CrossProfileIntentFilter> matchingFilters = 5310 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5311 // Check for results that need to skip the current profile. 5312 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5313 resolvedType, flags, userId); 5314 if (xpResolveInfo != null) { 5315 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5316 result.add(xpResolveInfo); 5317 return filterIfNotSystemUser(result, userId); 5318 } 5319 5320 // Check for results in the current profile. 5321 List<ResolveInfo> result = mActivities.queryIntent( 5322 intent, resolvedType, flags, userId); 5323 result = filterIfNotSystemUser(result, userId); 5324 5325 // Check for cross profile results. 5326 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5327 xpResolveInfo = queryCrossProfileIntents( 5328 matchingFilters, intent, resolvedType, flags, userId, 5329 hasNonNegativePriorityResult); 5330 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5331 boolean isVisibleToUser = filterIfNotSystemUser( 5332 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5333 if (isVisibleToUser) { 5334 result.add(xpResolveInfo); 5335 Collections.sort(result, mResolvePrioritySorter); 5336 } 5337 } 5338 if (hasWebURI(intent)) { 5339 CrossProfileDomainInfo xpDomainInfo = null; 5340 final UserInfo parent = getProfileParent(userId); 5341 if (parent != null) { 5342 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5343 flags, userId, parent.id); 5344 } 5345 if (xpDomainInfo != null) { 5346 if (xpResolveInfo != null) { 5347 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5348 // in the result. 5349 result.remove(xpResolveInfo); 5350 } 5351 if (result.size() == 0) { 5352 result.add(xpDomainInfo.resolveInfo); 5353 return result; 5354 } 5355 } else if (result.size() <= 1) { 5356 return result; 5357 } 5358 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5359 xpDomainInfo, userId); 5360 Collections.sort(result, mResolvePrioritySorter); 5361 } 5362 return result; 5363 } 5364 final PackageParser.Package pkg = mPackages.get(pkgName); 5365 if (pkg != null) { 5366 return filterIfNotSystemUser( 5367 mActivities.queryIntentForPackage( 5368 intent, resolvedType, flags, pkg.activities, userId), 5369 userId); 5370 } 5371 return new ArrayList<ResolveInfo>(); 5372 } 5373 } 5374 5375 private static class CrossProfileDomainInfo { 5376 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5377 ResolveInfo resolveInfo; 5378 /* Best domain verification status of the activities found in the other profile */ 5379 int bestDomainVerificationStatus; 5380 } 5381 5382 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5383 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5384 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5385 sourceUserId)) { 5386 return null; 5387 } 5388 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5389 resolvedType, flags, parentUserId); 5390 5391 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5392 return null; 5393 } 5394 CrossProfileDomainInfo result = null; 5395 int size = resultTargetUser.size(); 5396 for (int i = 0; i < size; i++) { 5397 ResolveInfo riTargetUser = resultTargetUser.get(i); 5398 // Intent filter verification is only for filters that specify a host. So don't return 5399 // those that handle all web uris. 5400 if (riTargetUser.handleAllWebDataURI) { 5401 continue; 5402 } 5403 String packageName = riTargetUser.activityInfo.packageName; 5404 PackageSetting ps = mSettings.mPackages.get(packageName); 5405 if (ps == null) { 5406 continue; 5407 } 5408 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5409 int status = (int)(verificationState >> 32); 5410 if (result == null) { 5411 result = new CrossProfileDomainInfo(); 5412 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5413 sourceUserId, parentUserId); 5414 result.bestDomainVerificationStatus = status; 5415 } else { 5416 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5417 result.bestDomainVerificationStatus); 5418 } 5419 } 5420 // Don't consider matches with status NEVER across profiles. 5421 if (result != null && result.bestDomainVerificationStatus 5422 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5423 return null; 5424 } 5425 return result; 5426 } 5427 5428 /** 5429 * Verification statuses are ordered from the worse to the best, except for 5430 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5431 */ 5432 private int bestDomainVerificationStatus(int status1, int status2) { 5433 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5434 return status2; 5435 } 5436 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5437 return status1; 5438 } 5439 return (int) MathUtils.max(status1, status2); 5440 } 5441 5442 private boolean isUserEnabled(int userId) { 5443 long callingId = Binder.clearCallingIdentity(); 5444 try { 5445 UserInfo userInfo = sUserManager.getUserInfo(userId); 5446 return userInfo != null && userInfo.isEnabled(); 5447 } finally { 5448 Binder.restoreCallingIdentity(callingId); 5449 } 5450 } 5451 5452 /** 5453 * Filter out activities with systemUserOnly flag set, when current user is not System. 5454 * 5455 * @return filtered list 5456 */ 5457 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5458 if (userId == UserHandle.USER_SYSTEM) { 5459 return resolveInfos; 5460 } 5461 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5462 ResolveInfo info = resolveInfos.get(i); 5463 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5464 resolveInfos.remove(i); 5465 } 5466 } 5467 return resolveInfos; 5468 } 5469 5470 /** 5471 * @param resolveInfos list of resolve infos in descending priority order 5472 * @return if the list contains a resolve info with non-negative priority 5473 */ 5474 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5475 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5476 } 5477 5478 private static boolean hasWebURI(Intent intent) { 5479 if (intent.getData() == null) { 5480 return false; 5481 } 5482 final String scheme = intent.getScheme(); 5483 if (TextUtils.isEmpty(scheme)) { 5484 return false; 5485 } 5486 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5487 } 5488 5489 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5490 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5491 int userId) { 5492 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5493 5494 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5495 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5496 candidates.size()); 5497 } 5498 5499 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5500 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5501 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5502 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5503 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5504 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5505 5506 synchronized (mPackages) { 5507 final int count = candidates.size(); 5508 // First, try to use linked apps. Partition the candidates into four lists: 5509 // one for the final results, one for the "do not use ever", one for "undefined status" 5510 // and finally one for "browser app type". 5511 for (int n=0; n<count; n++) { 5512 ResolveInfo info = candidates.get(n); 5513 String packageName = info.activityInfo.packageName; 5514 PackageSetting ps = mSettings.mPackages.get(packageName); 5515 if (ps != null) { 5516 // Add to the special match all list (Browser use case) 5517 if (info.handleAllWebDataURI) { 5518 matchAllList.add(info); 5519 continue; 5520 } 5521 // Try to get the status from User settings first 5522 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5523 int status = (int)(packedStatus >> 32); 5524 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5525 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5526 if (DEBUG_DOMAIN_VERIFICATION) { 5527 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5528 + " : linkgen=" + linkGeneration); 5529 } 5530 // Use link-enabled generation as preferredOrder, i.e. 5531 // prefer newly-enabled over earlier-enabled. 5532 info.preferredOrder = linkGeneration; 5533 alwaysList.add(info); 5534 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5535 if (DEBUG_DOMAIN_VERIFICATION) { 5536 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5537 } 5538 neverList.add(info); 5539 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5540 if (DEBUG_DOMAIN_VERIFICATION) { 5541 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5542 } 5543 alwaysAskList.add(info); 5544 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5545 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5546 if (DEBUG_DOMAIN_VERIFICATION) { 5547 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5548 } 5549 undefinedList.add(info); 5550 } 5551 } 5552 } 5553 5554 // We'll want to include browser possibilities in a few cases 5555 boolean includeBrowser = false; 5556 5557 // First try to add the "always" resolution(s) for the current user, if any 5558 if (alwaysList.size() > 0) { 5559 result.addAll(alwaysList); 5560 } else { 5561 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5562 result.addAll(undefinedList); 5563 // Maybe add one for the other profile. 5564 if (xpDomainInfo != null && ( 5565 xpDomainInfo.bestDomainVerificationStatus 5566 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5567 result.add(xpDomainInfo.resolveInfo); 5568 } 5569 includeBrowser = true; 5570 } 5571 5572 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5573 // If there were 'always' entries their preferred order has been set, so we also 5574 // back that off to make the alternatives equivalent 5575 if (alwaysAskList.size() > 0) { 5576 for (ResolveInfo i : result) { 5577 i.preferredOrder = 0; 5578 } 5579 result.addAll(alwaysAskList); 5580 includeBrowser = true; 5581 } 5582 5583 if (includeBrowser) { 5584 // Also add browsers (all of them or only the default one) 5585 if (DEBUG_DOMAIN_VERIFICATION) { 5586 Slog.v(TAG, " ...including browsers in candidate set"); 5587 } 5588 if ((matchFlags & MATCH_ALL) != 0) { 5589 result.addAll(matchAllList); 5590 } else { 5591 // Browser/generic handling case. If there's a default browser, go straight 5592 // to that (but only if there is no other higher-priority match). 5593 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5594 int maxMatchPrio = 0; 5595 ResolveInfo defaultBrowserMatch = null; 5596 final int numCandidates = matchAllList.size(); 5597 for (int n = 0; n < numCandidates; n++) { 5598 ResolveInfo info = matchAllList.get(n); 5599 // track the highest overall match priority... 5600 if (info.priority > maxMatchPrio) { 5601 maxMatchPrio = info.priority; 5602 } 5603 // ...and the highest-priority default browser match 5604 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5605 if (defaultBrowserMatch == null 5606 || (defaultBrowserMatch.priority < info.priority)) { 5607 if (debug) { 5608 Slog.v(TAG, "Considering default browser match " + info); 5609 } 5610 defaultBrowserMatch = info; 5611 } 5612 } 5613 } 5614 if (defaultBrowserMatch != null 5615 && defaultBrowserMatch.priority >= maxMatchPrio 5616 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5617 { 5618 if (debug) { 5619 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5620 } 5621 result.add(defaultBrowserMatch); 5622 } else { 5623 result.addAll(matchAllList); 5624 } 5625 } 5626 5627 // If there is nothing selected, add all candidates and remove the ones that the user 5628 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5629 if (result.size() == 0) { 5630 result.addAll(candidates); 5631 result.removeAll(neverList); 5632 } 5633 } 5634 } 5635 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5636 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5637 result.size()); 5638 for (ResolveInfo info : result) { 5639 Slog.v(TAG, " + " + info.activityInfo); 5640 } 5641 } 5642 return result; 5643 } 5644 5645 // Returns a packed value as a long: 5646 // 5647 // high 'int'-sized word: link status: undefined/ask/never/always. 5648 // low 'int'-sized word: relative priority among 'always' results. 5649 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5650 long result = ps.getDomainVerificationStatusForUser(userId); 5651 // if none available, get the master status 5652 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5653 if (ps.getIntentFilterVerificationInfo() != null) { 5654 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5655 } 5656 } 5657 return result; 5658 } 5659 5660 private ResolveInfo querySkipCurrentProfileIntents( 5661 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5662 int flags, int sourceUserId) { 5663 if (matchingFilters != null) { 5664 int size = matchingFilters.size(); 5665 for (int i = 0; i < size; i ++) { 5666 CrossProfileIntentFilter filter = matchingFilters.get(i); 5667 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5668 // Checking if there are activities in the target user that can handle the 5669 // intent. 5670 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5671 resolvedType, flags, sourceUserId); 5672 if (resolveInfo != null) { 5673 return resolveInfo; 5674 } 5675 } 5676 } 5677 } 5678 return null; 5679 } 5680 5681 // Return matching ResolveInfo in target user if any. 5682 private ResolveInfo queryCrossProfileIntents( 5683 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5684 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5685 if (matchingFilters != null) { 5686 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5687 // match the same intent. For performance reasons, it is better not to 5688 // run queryIntent twice for the same userId 5689 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5690 int size = matchingFilters.size(); 5691 for (int i = 0; i < size; i++) { 5692 CrossProfileIntentFilter filter = matchingFilters.get(i); 5693 int targetUserId = filter.getTargetUserId(); 5694 boolean skipCurrentProfile = 5695 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5696 boolean skipCurrentProfileIfNoMatchFound = 5697 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5698 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5699 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5700 // Checking if there are activities in the target user that can handle the 5701 // intent. 5702 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5703 resolvedType, flags, sourceUserId); 5704 if (resolveInfo != null) return resolveInfo; 5705 alreadyTriedUserIds.put(targetUserId, true); 5706 } 5707 } 5708 } 5709 return null; 5710 } 5711 5712 /** 5713 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5714 * will forward the intent to the filter's target user. 5715 * Otherwise, returns null. 5716 */ 5717 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5718 String resolvedType, int flags, int sourceUserId) { 5719 int targetUserId = filter.getTargetUserId(); 5720 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5721 resolvedType, flags, targetUserId); 5722 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5723 // If all the matches in the target profile are suspended, return null. 5724 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5725 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5726 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5727 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5728 targetUserId); 5729 } 5730 } 5731 } 5732 return null; 5733 } 5734 5735 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5736 int sourceUserId, int targetUserId) { 5737 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5738 long ident = Binder.clearCallingIdentity(); 5739 boolean targetIsProfile; 5740 try { 5741 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5742 } finally { 5743 Binder.restoreCallingIdentity(ident); 5744 } 5745 String className; 5746 if (targetIsProfile) { 5747 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5748 } else { 5749 className = FORWARD_INTENT_TO_PARENT; 5750 } 5751 ComponentName forwardingActivityComponentName = new ComponentName( 5752 mAndroidApplication.packageName, className); 5753 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5754 sourceUserId); 5755 if (!targetIsProfile) { 5756 forwardingActivityInfo.showUserIcon = targetUserId; 5757 forwardingResolveInfo.noResourceId = true; 5758 } 5759 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5760 forwardingResolveInfo.priority = 0; 5761 forwardingResolveInfo.preferredOrder = 0; 5762 forwardingResolveInfo.match = 0; 5763 forwardingResolveInfo.isDefault = true; 5764 forwardingResolveInfo.filter = filter; 5765 forwardingResolveInfo.targetUserId = targetUserId; 5766 return forwardingResolveInfo; 5767 } 5768 5769 @Override 5770 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5771 Intent[] specifics, String[] specificTypes, Intent intent, 5772 String resolvedType, int flags, int userId) { 5773 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5774 specificTypes, intent, resolvedType, flags, userId)); 5775 } 5776 5777 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5778 Intent[] specifics, String[] specificTypes, Intent intent, 5779 String resolvedType, int flags, int userId) { 5780 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5781 flags = updateFlagsForResolve(flags, userId, intent); 5782 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5783 false /* requireFullPermission */, false /* checkShell */, 5784 "query intent activity options"); 5785 final String resultsAction = intent.getAction(); 5786 5787 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5788 | PackageManager.GET_RESOLVED_FILTER, userId); 5789 5790 if (DEBUG_INTENT_MATCHING) { 5791 Log.v(TAG, "Query " + intent + ": " + results); 5792 } 5793 5794 int specificsPos = 0; 5795 int N; 5796 5797 // todo: note that the algorithm used here is O(N^2). This 5798 // isn't a problem in our current environment, but if we start running 5799 // into situations where we have more than 5 or 10 matches then this 5800 // should probably be changed to something smarter... 5801 5802 // First we go through and resolve each of the specific items 5803 // that were supplied, taking care of removing any corresponding 5804 // duplicate items in the generic resolve list. 5805 if (specifics != null) { 5806 for (int i=0; i<specifics.length; i++) { 5807 final Intent sintent = specifics[i]; 5808 if (sintent == null) { 5809 continue; 5810 } 5811 5812 if (DEBUG_INTENT_MATCHING) { 5813 Log.v(TAG, "Specific #" + i + ": " + sintent); 5814 } 5815 5816 String action = sintent.getAction(); 5817 if (resultsAction != null && resultsAction.equals(action)) { 5818 // If this action was explicitly requested, then don't 5819 // remove things that have it. 5820 action = null; 5821 } 5822 5823 ResolveInfo ri = null; 5824 ActivityInfo ai = null; 5825 5826 ComponentName comp = sintent.getComponent(); 5827 if (comp == null) { 5828 ri = resolveIntent( 5829 sintent, 5830 specificTypes != null ? specificTypes[i] : null, 5831 flags, userId); 5832 if (ri == null) { 5833 continue; 5834 } 5835 if (ri == mResolveInfo) { 5836 // ACK! Must do something better with this. 5837 } 5838 ai = ri.activityInfo; 5839 comp = new ComponentName(ai.applicationInfo.packageName, 5840 ai.name); 5841 } else { 5842 ai = getActivityInfo(comp, flags, userId); 5843 if (ai == null) { 5844 continue; 5845 } 5846 } 5847 5848 // Look for any generic query activities that are duplicates 5849 // of this specific one, and remove them from the results. 5850 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5851 N = results.size(); 5852 int j; 5853 for (j=specificsPos; j<N; j++) { 5854 ResolveInfo sri = results.get(j); 5855 if ((sri.activityInfo.name.equals(comp.getClassName()) 5856 && sri.activityInfo.applicationInfo.packageName.equals( 5857 comp.getPackageName())) 5858 || (action != null && sri.filter.matchAction(action))) { 5859 results.remove(j); 5860 if (DEBUG_INTENT_MATCHING) Log.v( 5861 TAG, "Removing duplicate item from " + j 5862 + " due to specific " + specificsPos); 5863 if (ri == null) { 5864 ri = sri; 5865 } 5866 j--; 5867 N--; 5868 } 5869 } 5870 5871 // Add this specific item to its proper place. 5872 if (ri == null) { 5873 ri = new ResolveInfo(); 5874 ri.activityInfo = ai; 5875 } 5876 results.add(specificsPos, ri); 5877 ri.specificIndex = i; 5878 specificsPos++; 5879 } 5880 } 5881 5882 // Now we go through the remaining generic results and remove any 5883 // duplicate actions that are found here. 5884 N = results.size(); 5885 for (int i=specificsPos; i<N-1; i++) { 5886 final ResolveInfo rii = results.get(i); 5887 if (rii.filter == null) { 5888 continue; 5889 } 5890 5891 // Iterate over all of the actions of this result's intent 5892 // filter... typically this should be just one. 5893 final Iterator<String> it = rii.filter.actionsIterator(); 5894 if (it == null) { 5895 continue; 5896 } 5897 while (it.hasNext()) { 5898 final String action = it.next(); 5899 if (resultsAction != null && resultsAction.equals(action)) { 5900 // If this action was explicitly requested, then don't 5901 // remove things that have it. 5902 continue; 5903 } 5904 for (int j=i+1; j<N; j++) { 5905 final ResolveInfo rij = results.get(j); 5906 if (rij.filter != null && rij.filter.hasAction(action)) { 5907 results.remove(j); 5908 if (DEBUG_INTENT_MATCHING) Log.v( 5909 TAG, "Removing duplicate item from " + j 5910 + " due to action " + action + " at " + i); 5911 j--; 5912 N--; 5913 } 5914 } 5915 } 5916 5917 // If the caller didn't request filter information, drop it now 5918 // so we don't have to marshall/unmarshall it. 5919 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5920 rii.filter = null; 5921 } 5922 } 5923 5924 // Filter out the caller activity if so requested. 5925 if (caller != null) { 5926 N = results.size(); 5927 for (int i=0; i<N; i++) { 5928 ActivityInfo ainfo = results.get(i).activityInfo; 5929 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5930 && caller.getClassName().equals(ainfo.name)) { 5931 results.remove(i); 5932 break; 5933 } 5934 } 5935 } 5936 5937 // If the caller didn't request filter information, 5938 // drop them now so we don't have to 5939 // marshall/unmarshall it. 5940 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5941 N = results.size(); 5942 for (int i=0; i<N; i++) { 5943 results.get(i).filter = null; 5944 } 5945 } 5946 5947 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5948 return results; 5949 } 5950 5951 @Override 5952 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5953 String resolvedType, int flags, int userId) { 5954 return new ParceledListSlice<>( 5955 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5956 } 5957 5958 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5959 String resolvedType, int flags, int userId) { 5960 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5961 flags = updateFlagsForResolve(flags, userId, intent); 5962 ComponentName comp = intent.getComponent(); 5963 if (comp == null) { 5964 if (intent.getSelector() != null) { 5965 intent = intent.getSelector(); 5966 comp = intent.getComponent(); 5967 } 5968 } 5969 if (comp != null) { 5970 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5971 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5972 if (ai != null) { 5973 ResolveInfo ri = new ResolveInfo(); 5974 ri.activityInfo = ai; 5975 list.add(ri); 5976 } 5977 return list; 5978 } 5979 5980 // reader 5981 synchronized (mPackages) { 5982 String pkgName = intent.getPackage(); 5983 if (pkgName == null) { 5984 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5985 } 5986 final PackageParser.Package pkg = mPackages.get(pkgName); 5987 if (pkg != null) { 5988 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5989 userId); 5990 } 5991 return Collections.emptyList(); 5992 } 5993 } 5994 5995 @Override 5996 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5997 if (!sUserManager.exists(userId)) return null; 5998 flags = updateFlagsForResolve(flags, userId, intent); 5999 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6000 if (query != null) { 6001 if (query.size() >= 1) { 6002 // If there is more than one service with the same priority, 6003 // just arbitrarily pick the first one. 6004 return query.get(0); 6005 } 6006 } 6007 return null; 6008 } 6009 6010 @Override 6011 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6012 String resolvedType, int flags, int userId) { 6013 return new ParceledListSlice<>( 6014 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6015 } 6016 6017 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6018 String resolvedType, int flags, int userId) { 6019 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6020 flags = updateFlagsForResolve(flags, userId, intent); 6021 ComponentName comp = intent.getComponent(); 6022 if (comp == null) { 6023 if (intent.getSelector() != null) { 6024 intent = intent.getSelector(); 6025 comp = intent.getComponent(); 6026 } 6027 } 6028 if (comp != null) { 6029 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6030 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6031 if (si != null) { 6032 final ResolveInfo ri = new ResolveInfo(); 6033 ri.serviceInfo = si; 6034 list.add(ri); 6035 } 6036 return list; 6037 } 6038 6039 // reader 6040 synchronized (mPackages) { 6041 String pkgName = intent.getPackage(); 6042 if (pkgName == null) { 6043 return mServices.queryIntent(intent, resolvedType, flags, userId); 6044 } 6045 final PackageParser.Package pkg = mPackages.get(pkgName); 6046 if (pkg != null) { 6047 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6048 userId); 6049 } 6050 return Collections.emptyList(); 6051 } 6052 } 6053 6054 @Override 6055 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6056 String resolvedType, int flags, int userId) { 6057 return new ParceledListSlice<>( 6058 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6059 } 6060 6061 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6062 Intent intent, String resolvedType, int flags, int userId) { 6063 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6064 flags = updateFlagsForResolve(flags, userId, intent); 6065 ComponentName comp = intent.getComponent(); 6066 if (comp == null) { 6067 if (intent.getSelector() != null) { 6068 intent = intent.getSelector(); 6069 comp = intent.getComponent(); 6070 } 6071 } 6072 if (comp != null) { 6073 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6074 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6075 if (pi != null) { 6076 final ResolveInfo ri = new ResolveInfo(); 6077 ri.providerInfo = pi; 6078 list.add(ri); 6079 } 6080 return list; 6081 } 6082 6083 // reader 6084 synchronized (mPackages) { 6085 String pkgName = intent.getPackage(); 6086 if (pkgName == null) { 6087 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6088 } 6089 final PackageParser.Package pkg = mPackages.get(pkgName); 6090 if (pkg != null) { 6091 return mProviders.queryIntentForPackage( 6092 intent, resolvedType, flags, pkg.providers, userId); 6093 } 6094 return Collections.emptyList(); 6095 } 6096 } 6097 6098 @Override 6099 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6100 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6101 flags = updateFlagsForPackage(flags, userId, null); 6102 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6103 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6104 true /* requireFullPermission */, false /* checkShell */, 6105 "get installed packages"); 6106 6107 // writer 6108 synchronized (mPackages) { 6109 ArrayList<PackageInfo> list; 6110 if (listUninstalled) { 6111 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6112 for (PackageSetting ps : mSettings.mPackages.values()) { 6113 final PackageInfo pi; 6114 if (ps.pkg != null) { 6115 pi = generatePackageInfo(ps, flags, userId); 6116 } else { 6117 pi = generatePackageInfo(ps, flags, userId); 6118 } 6119 if (pi != null) { 6120 list.add(pi); 6121 } 6122 } 6123 } else { 6124 list = new ArrayList<PackageInfo>(mPackages.size()); 6125 for (PackageParser.Package p : mPackages.values()) { 6126 final PackageInfo pi = 6127 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6128 if (pi != null) { 6129 list.add(pi); 6130 } 6131 } 6132 } 6133 6134 return new ParceledListSlice<PackageInfo>(list); 6135 } 6136 } 6137 6138 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6139 String[] permissions, boolean[] tmp, int flags, int userId) { 6140 int numMatch = 0; 6141 final PermissionsState permissionsState = ps.getPermissionsState(); 6142 for (int i=0; i<permissions.length; i++) { 6143 final String permission = permissions[i]; 6144 if (permissionsState.hasPermission(permission, userId)) { 6145 tmp[i] = true; 6146 numMatch++; 6147 } else { 6148 tmp[i] = false; 6149 } 6150 } 6151 if (numMatch == 0) { 6152 return; 6153 } 6154 final PackageInfo pi; 6155 if (ps.pkg != null) { 6156 pi = generatePackageInfo(ps, flags, userId); 6157 } else { 6158 pi = generatePackageInfo(ps, flags, userId); 6159 } 6160 // The above might return null in cases of uninstalled apps or install-state 6161 // skew across users/profiles. 6162 if (pi != null) { 6163 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6164 if (numMatch == permissions.length) { 6165 pi.requestedPermissions = permissions; 6166 } else { 6167 pi.requestedPermissions = new String[numMatch]; 6168 numMatch = 0; 6169 for (int i=0; i<permissions.length; i++) { 6170 if (tmp[i]) { 6171 pi.requestedPermissions[numMatch] = permissions[i]; 6172 numMatch++; 6173 } 6174 } 6175 } 6176 } 6177 list.add(pi); 6178 } 6179 } 6180 6181 @Override 6182 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6183 String[] permissions, int flags, int userId) { 6184 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6185 flags = updateFlagsForPackage(flags, userId, permissions); 6186 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6187 6188 // writer 6189 synchronized (mPackages) { 6190 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6191 boolean[] tmpBools = new boolean[permissions.length]; 6192 if (listUninstalled) { 6193 for (PackageSetting ps : mSettings.mPackages.values()) { 6194 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6195 } 6196 } else { 6197 for (PackageParser.Package pkg : mPackages.values()) { 6198 PackageSetting ps = (PackageSetting)pkg.mExtras; 6199 if (ps != null) { 6200 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6201 userId); 6202 } 6203 } 6204 } 6205 6206 return new ParceledListSlice<PackageInfo>(list); 6207 } 6208 } 6209 6210 @Override 6211 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6212 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6213 flags = updateFlagsForApplication(flags, userId, null); 6214 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6215 6216 // writer 6217 synchronized (mPackages) { 6218 ArrayList<ApplicationInfo> list; 6219 if (listUninstalled) { 6220 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6221 for (PackageSetting ps : mSettings.mPackages.values()) { 6222 ApplicationInfo ai; 6223 if (ps.pkg != null) { 6224 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6225 ps.readUserState(userId), userId); 6226 } else { 6227 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6228 } 6229 if (ai != null) { 6230 list.add(ai); 6231 } 6232 } 6233 } else { 6234 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6235 for (PackageParser.Package p : mPackages.values()) { 6236 if (p.mExtras != null) { 6237 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6238 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6239 if (ai != null) { 6240 list.add(ai); 6241 } 6242 } 6243 } 6244 } 6245 6246 return new ParceledListSlice<ApplicationInfo>(list); 6247 } 6248 } 6249 6250 @Override 6251 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6252 if (DISABLE_EPHEMERAL_APPS) { 6253 return null; 6254 } 6255 6256 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6257 "getEphemeralApplications"); 6258 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6259 true /* requireFullPermission */, false /* checkShell */, 6260 "getEphemeralApplications"); 6261 synchronized (mPackages) { 6262 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6263 .getEphemeralApplicationsLPw(userId); 6264 if (ephemeralApps != null) { 6265 return new ParceledListSlice<>(ephemeralApps); 6266 } 6267 } 6268 return null; 6269 } 6270 6271 @Override 6272 public boolean isEphemeralApplication(String packageName, int userId) { 6273 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6274 true /* requireFullPermission */, false /* checkShell */, 6275 "isEphemeral"); 6276 if (DISABLE_EPHEMERAL_APPS) { 6277 return false; 6278 } 6279 6280 if (!isCallerSameApp(packageName)) { 6281 return false; 6282 } 6283 synchronized (mPackages) { 6284 PackageParser.Package pkg = mPackages.get(packageName); 6285 if (pkg != null) { 6286 return pkg.applicationInfo.isEphemeralApp(); 6287 } 6288 } 6289 return false; 6290 } 6291 6292 @Override 6293 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6294 if (DISABLE_EPHEMERAL_APPS) { 6295 return null; 6296 } 6297 6298 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6299 true /* requireFullPermission */, false /* checkShell */, 6300 "getCookie"); 6301 if (!isCallerSameApp(packageName)) { 6302 return null; 6303 } 6304 synchronized (mPackages) { 6305 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6306 packageName, userId); 6307 } 6308 } 6309 6310 @Override 6311 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6312 if (DISABLE_EPHEMERAL_APPS) { 6313 return true; 6314 } 6315 6316 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6317 true /* requireFullPermission */, true /* checkShell */, 6318 "setCookie"); 6319 if (!isCallerSameApp(packageName)) { 6320 return false; 6321 } 6322 synchronized (mPackages) { 6323 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6324 packageName, cookie, userId); 6325 } 6326 } 6327 6328 @Override 6329 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6330 if (DISABLE_EPHEMERAL_APPS) { 6331 return null; 6332 } 6333 6334 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6335 "getEphemeralApplicationIcon"); 6336 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6337 true /* requireFullPermission */, false /* checkShell */, 6338 "getEphemeralApplicationIcon"); 6339 synchronized (mPackages) { 6340 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6341 packageName, userId); 6342 } 6343 } 6344 6345 private boolean isCallerSameApp(String packageName) { 6346 PackageParser.Package pkg = mPackages.get(packageName); 6347 return pkg != null 6348 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6349 } 6350 6351 @Override 6352 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6353 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6354 } 6355 6356 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6357 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6358 6359 // reader 6360 synchronized (mPackages) { 6361 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6362 final int userId = UserHandle.getCallingUserId(); 6363 while (i.hasNext()) { 6364 final PackageParser.Package p = i.next(); 6365 if (p.applicationInfo == null) continue; 6366 6367 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6368 && !p.applicationInfo.isDirectBootAware(); 6369 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6370 && p.applicationInfo.isDirectBootAware(); 6371 6372 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6373 && (!mSafeMode || isSystemApp(p)) 6374 && (matchesUnaware || matchesAware)) { 6375 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6376 if (ps != null) { 6377 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6378 ps.readUserState(userId), userId); 6379 if (ai != null) { 6380 finalList.add(ai); 6381 } 6382 } 6383 } 6384 } 6385 } 6386 6387 return finalList; 6388 } 6389 6390 @Override 6391 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6392 if (!sUserManager.exists(userId)) return null; 6393 flags = updateFlagsForComponent(flags, userId, name); 6394 // reader 6395 synchronized (mPackages) { 6396 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6397 PackageSetting ps = provider != null 6398 ? mSettings.mPackages.get(provider.owner.packageName) 6399 : null; 6400 return ps != null 6401 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6402 ? PackageParser.generateProviderInfo(provider, flags, 6403 ps.readUserState(userId), userId) 6404 : null; 6405 } 6406 } 6407 6408 /** 6409 * @deprecated 6410 */ 6411 @Deprecated 6412 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6413 // reader 6414 synchronized (mPackages) { 6415 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6416 .entrySet().iterator(); 6417 final int userId = UserHandle.getCallingUserId(); 6418 while (i.hasNext()) { 6419 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6420 PackageParser.Provider p = entry.getValue(); 6421 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6422 6423 if (ps != null && p.syncable 6424 && (!mSafeMode || (p.info.applicationInfo.flags 6425 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6426 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6427 ps.readUserState(userId), userId); 6428 if (info != null) { 6429 outNames.add(entry.getKey()); 6430 outInfo.add(info); 6431 } 6432 } 6433 } 6434 } 6435 } 6436 6437 @Override 6438 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6439 int uid, int flags) { 6440 final int userId = processName != null ? UserHandle.getUserId(uid) 6441 : UserHandle.getCallingUserId(); 6442 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6443 flags = updateFlagsForComponent(flags, userId, processName); 6444 6445 ArrayList<ProviderInfo> finalList = null; 6446 // reader 6447 synchronized (mPackages) { 6448 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6449 while (i.hasNext()) { 6450 final PackageParser.Provider p = i.next(); 6451 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6452 if (ps != null && p.info.authority != null 6453 && (processName == null 6454 || (p.info.processName.equals(processName) 6455 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6456 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6457 if (finalList == null) { 6458 finalList = new ArrayList<ProviderInfo>(3); 6459 } 6460 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6461 ps.readUserState(userId), userId); 6462 if (info != null) { 6463 finalList.add(info); 6464 } 6465 } 6466 } 6467 } 6468 6469 if (finalList != null) { 6470 Collections.sort(finalList, mProviderInitOrderSorter); 6471 return new ParceledListSlice<ProviderInfo>(finalList); 6472 } 6473 6474 return ParceledListSlice.emptyList(); 6475 } 6476 6477 @Override 6478 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6479 // reader 6480 synchronized (mPackages) { 6481 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6482 return PackageParser.generateInstrumentationInfo(i, flags); 6483 } 6484 } 6485 6486 @Override 6487 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6488 String targetPackage, int flags) { 6489 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6490 } 6491 6492 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6493 int flags) { 6494 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6495 6496 // reader 6497 synchronized (mPackages) { 6498 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6499 while (i.hasNext()) { 6500 final PackageParser.Instrumentation p = i.next(); 6501 if (targetPackage == null 6502 || targetPackage.equals(p.info.targetPackage)) { 6503 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6504 flags); 6505 if (ii != null) { 6506 finalList.add(ii); 6507 } 6508 } 6509 } 6510 } 6511 6512 return finalList; 6513 } 6514 6515 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6516 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6517 if (overlays == null) { 6518 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6519 return; 6520 } 6521 for (PackageParser.Package opkg : overlays.values()) { 6522 // Not much to do if idmap fails: we already logged the error 6523 // and we certainly don't want to abort installation of pkg simply 6524 // because an overlay didn't fit properly. For these reasons, 6525 // ignore the return value of createIdmapForPackagePairLI. 6526 createIdmapForPackagePairLI(pkg, opkg); 6527 } 6528 } 6529 6530 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6531 PackageParser.Package opkg) { 6532 if (!opkg.mTrustedOverlay) { 6533 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6534 opkg.baseCodePath + ": overlay not trusted"); 6535 return false; 6536 } 6537 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6538 if (overlaySet == null) { 6539 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6540 opkg.baseCodePath + " but target package has no known overlays"); 6541 return false; 6542 } 6543 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6544 // TODO: generate idmap for split APKs 6545 try { 6546 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6547 } catch (InstallerException e) { 6548 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6549 + opkg.baseCodePath); 6550 return false; 6551 } 6552 PackageParser.Package[] overlayArray = 6553 overlaySet.values().toArray(new PackageParser.Package[0]); 6554 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6555 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6556 return p1.mOverlayPriority - p2.mOverlayPriority; 6557 } 6558 }; 6559 Arrays.sort(overlayArray, cmp); 6560 6561 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6562 int i = 0; 6563 for (PackageParser.Package p : overlayArray) { 6564 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6565 } 6566 return true; 6567 } 6568 6569 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6570 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6571 try { 6572 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6573 } finally { 6574 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6575 } 6576 } 6577 6578 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6579 final File[] files = dir.listFiles(); 6580 if (ArrayUtils.isEmpty(files)) { 6581 Log.d(TAG, "No files in app dir " + dir); 6582 return; 6583 } 6584 6585 if (DEBUG_PACKAGE_SCANNING) { 6586 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6587 + " flags=0x" + Integer.toHexString(parseFlags)); 6588 } 6589 6590 for (File file : files) { 6591 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6592 && !PackageInstallerService.isStageName(file.getName()); 6593 if (!isPackage) { 6594 // Ignore entries which are not packages 6595 continue; 6596 } 6597 try { 6598 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6599 scanFlags, currentTime, null); 6600 } catch (PackageManagerException e) { 6601 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6602 6603 // Delete invalid userdata apps 6604 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6605 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6606 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6607 removeCodePathLI(file); 6608 } 6609 } 6610 } 6611 } 6612 6613 private static File getSettingsProblemFile() { 6614 File dataDir = Environment.getDataDirectory(); 6615 File systemDir = new File(dataDir, "system"); 6616 File fname = new File(systemDir, "uiderrors.txt"); 6617 return fname; 6618 } 6619 6620 static void reportSettingsProblem(int priority, String msg) { 6621 logCriticalInfo(priority, msg); 6622 } 6623 6624 static void logCriticalInfo(int priority, String msg) { 6625 Slog.println(priority, TAG, msg); 6626 EventLogTags.writePmCriticalInfo(msg); 6627 try { 6628 File fname = getSettingsProblemFile(); 6629 FileOutputStream out = new FileOutputStream(fname, true); 6630 PrintWriter pw = new FastPrintWriter(out); 6631 SimpleDateFormat formatter = new SimpleDateFormat(); 6632 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6633 pw.println(dateString + ": " + msg); 6634 pw.close(); 6635 FileUtils.setPermissions( 6636 fname.toString(), 6637 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6638 -1, -1); 6639 } catch (java.io.IOException e) { 6640 } 6641 } 6642 6643 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6644 final int policyFlags) throws PackageManagerException { 6645 if (ps != null 6646 && ps.codePath.equals(srcFile) 6647 && ps.timeStamp == srcFile.lastModified() 6648 && !isCompatSignatureUpdateNeeded(pkg) 6649 && !isRecoverSignatureUpdateNeeded(pkg)) { 6650 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6651 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6652 ArraySet<PublicKey> signingKs; 6653 synchronized (mPackages) { 6654 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6655 } 6656 if (ps.signatures.mSignatures != null 6657 && ps.signatures.mSignatures.length != 0 6658 && signingKs != null) { 6659 // Optimization: reuse the existing cached certificates 6660 // if the package appears to be unchanged. 6661 pkg.mSignatures = ps.signatures.mSignatures; 6662 pkg.mSigningKeys = signingKs; 6663 return; 6664 } 6665 6666 Slog.w(TAG, "PackageSetting for " + ps.name 6667 + " is missing signatures. Collecting certs again to recover them."); 6668 } else { 6669 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6670 } 6671 6672 try { 6673 PackageParser.collectCertificates(pkg, policyFlags); 6674 } catch (PackageParserException e) { 6675 throw PackageManagerException.from(e); 6676 } 6677 } 6678 6679 /** 6680 * Traces a package scan. 6681 * @see #scanPackageLI(File, int, int, long, UserHandle) 6682 */ 6683 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6684 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6685 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6686 try { 6687 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6688 } finally { 6689 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6690 } 6691 } 6692 6693 /** 6694 * Scans a package and returns the newly parsed package. 6695 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6696 */ 6697 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6698 long currentTime, UserHandle user) throws PackageManagerException { 6699 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6700 PackageParser pp = new PackageParser(); 6701 pp.setSeparateProcesses(mSeparateProcesses); 6702 pp.setOnlyCoreApps(mOnlyCore); 6703 pp.setDisplayMetrics(mMetrics); 6704 6705 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6706 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6707 } 6708 6709 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6710 final PackageParser.Package pkg; 6711 try { 6712 pkg = pp.parsePackage(scanFile, parseFlags); 6713 } catch (PackageParserException e) { 6714 throw PackageManagerException.from(e); 6715 } finally { 6716 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6717 } 6718 6719 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6720 } 6721 6722 /** 6723 * Scans a package and returns the newly parsed package. 6724 * @throws PackageManagerException on a parse error. 6725 */ 6726 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6727 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6728 throws PackageManagerException { 6729 // If the package has children and this is the first dive in the function 6730 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6731 // packages (parent and children) would be successfully scanned before the 6732 // actual scan since scanning mutates internal state and we want to atomically 6733 // install the package and its children. 6734 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6735 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6736 scanFlags |= SCAN_CHECK_ONLY; 6737 } 6738 } else { 6739 scanFlags &= ~SCAN_CHECK_ONLY; 6740 } 6741 6742 // Scan the parent 6743 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6744 scanFlags, currentTime, user); 6745 6746 // Scan the children 6747 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6748 for (int i = 0; i < childCount; i++) { 6749 PackageParser.Package childPackage = pkg.childPackages.get(i); 6750 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6751 currentTime, user); 6752 } 6753 6754 6755 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6756 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6757 } 6758 6759 return scannedPkg; 6760 } 6761 6762 /** 6763 * Scans a package and returns the newly parsed package. 6764 * @throws PackageManagerException on a parse error. 6765 */ 6766 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6767 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6768 throws PackageManagerException { 6769 PackageSetting ps = null; 6770 PackageSetting updatedPkg; 6771 // reader 6772 synchronized (mPackages) { 6773 // Look to see if we already know about this package. 6774 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6775 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6776 // This package has been renamed to its original name. Let's 6777 // use that. 6778 ps = mSettings.peekPackageLPr(oldName); 6779 } 6780 // If there was no original package, see one for the real package name. 6781 if (ps == null) { 6782 ps = mSettings.peekPackageLPr(pkg.packageName); 6783 } 6784 // Check to see if this package could be hiding/updating a system 6785 // package. Must look for it either under the original or real 6786 // package name depending on our state. 6787 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6788 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6789 6790 // If this is a package we don't know about on the system partition, we 6791 // may need to remove disabled child packages on the system partition 6792 // or may need to not add child packages if the parent apk is updated 6793 // on the data partition and no longer defines this child package. 6794 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6795 // If this is a parent package for an updated system app and this system 6796 // app got an OTA update which no longer defines some of the child packages 6797 // we have to prune them from the disabled system packages. 6798 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6799 if (disabledPs != null) { 6800 final int scannedChildCount = (pkg.childPackages != null) 6801 ? pkg.childPackages.size() : 0; 6802 final int disabledChildCount = disabledPs.childPackageNames != null 6803 ? disabledPs.childPackageNames.size() : 0; 6804 for (int i = 0; i < disabledChildCount; i++) { 6805 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6806 boolean disabledPackageAvailable = false; 6807 for (int j = 0; j < scannedChildCount; j++) { 6808 PackageParser.Package childPkg = pkg.childPackages.get(j); 6809 if (childPkg.packageName.equals(disabledChildPackageName)) { 6810 disabledPackageAvailable = true; 6811 break; 6812 } 6813 } 6814 if (!disabledPackageAvailable) { 6815 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6816 } 6817 } 6818 } 6819 } 6820 } 6821 6822 boolean updatedPkgBetter = false; 6823 // First check if this is a system package that may involve an update 6824 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6825 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6826 // it needs to drop FLAG_PRIVILEGED. 6827 if (locationIsPrivileged(scanFile)) { 6828 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6829 } else { 6830 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6831 } 6832 6833 if (ps != null && !ps.codePath.equals(scanFile)) { 6834 // The path has changed from what was last scanned... check the 6835 // version of the new path against what we have stored to determine 6836 // what to do. 6837 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6838 if (pkg.mVersionCode <= ps.versionCode) { 6839 // The system package has been updated and the code path does not match 6840 // Ignore entry. Skip it. 6841 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6842 + " ignored: updated version " + ps.versionCode 6843 + " better than this " + pkg.mVersionCode); 6844 if (!updatedPkg.codePath.equals(scanFile)) { 6845 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6846 + ps.name + " changing from " + updatedPkg.codePathString 6847 + " to " + scanFile); 6848 updatedPkg.codePath = scanFile; 6849 updatedPkg.codePathString = scanFile.toString(); 6850 updatedPkg.resourcePath = scanFile; 6851 updatedPkg.resourcePathString = scanFile.toString(); 6852 } 6853 updatedPkg.pkg = pkg; 6854 updatedPkg.versionCode = pkg.mVersionCode; 6855 6856 // Update the disabled system child packages to point to the package too. 6857 final int childCount = updatedPkg.childPackageNames != null 6858 ? updatedPkg.childPackageNames.size() : 0; 6859 for (int i = 0; i < childCount; i++) { 6860 String childPackageName = updatedPkg.childPackageNames.get(i); 6861 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6862 childPackageName); 6863 if (updatedChildPkg != null) { 6864 updatedChildPkg.pkg = pkg; 6865 updatedChildPkg.versionCode = pkg.mVersionCode; 6866 } 6867 } 6868 6869 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6870 + scanFile + " ignored: updated version " + ps.versionCode 6871 + " better than this " + pkg.mVersionCode); 6872 } else { 6873 // The current app on the system partition is better than 6874 // what we have updated to on the data partition; switch 6875 // back to the system partition version. 6876 // At this point, its safely assumed that package installation for 6877 // apps in system partition will go through. If not there won't be a working 6878 // version of the app 6879 // writer 6880 synchronized (mPackages) { 6881 // Just remove the loaded entries from package lists. 6882 mPackages.remove(ps.name); 6883 } 6884 6885 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6886 + " reverting from " + ps.codePathString 6887 + ": new version " + pkg.mVersionCode 6888 + " better than installed " + ps.versionCode); 6889 6890 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6891 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6892 synchronized (mInstallLock) { 6893 args.cleanUpResourcesLI(); 6894 } 6895 synchronized (mPackages) { 6896 mSettings.enableSystemPackageLPw(ps.name); 6897 } 6898 updatedPkgBetter = true; 6899 } 6900 } 6901 } 6902 6903 if (updatedPkg != null) { 6904 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6905 // initially 6906 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6907 6908 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6909 // flag set initially 6910 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6911 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6912 } 6913 } 6914 6915 // Verify certificates against what was last scanned 6916 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6917 6918 /* 6919 * A new system app appeared, but we already had a non-system one of the 6920 * same name installed earlier. 6921 */ 6922 boolean shouldHideSystemApp = false; 6923 if (updatedPkg == null && ps != null 6924 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6925 /* 6926 * Check to make sure the signatures match first. If they don't, 6927 * wipe the installed application and its data. 6928 */ 6929 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6930 != PackageManager.SIGNATURE_MATCH) { 6931 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6932 + " signatures don't match existing userdata copy; removing"); 6933 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6934 "scanPackageInternalLI")) { 6935 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6936 } 6937 ps = null; 6938 } else { 6939 /* 6940 * If the newly-added system app is an older version than the 6941 * already installed version, hide it. It will be scanned later 6942 * and re-added like an update. 6943 */ 6944 if (pkg.mVersionCode <= ps.versionCode) { 6945 shouldHideSystemApp = true; 6946 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6947 + " but new version " + pkg.mVersionCode + " better than installed " 6948 + ps.versionCode + "; hiding system"); 6949 } else { 6950 /* 6951 * The newly found system app is a newer version that the 6952 * one previously installed. Simply remove the 6953 * already-installed application and replace it with our own 6954 * while keeping the application data. 6955 */ 6956 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6957 + " reverting from " + ps.codePathString + ": new version " 6958 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6959 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6960 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6961 synchronized (mInstallLock) { 6962 args.cleanUpResourcesLI(); 6963 } 6964 } 6965 } 6966 } 6967 6968 // The apk is forward locked (not public) if its code and resources 6969 // are kept in different files. (except for app in either system or 6970 // vendor path). 6971 // TODO grab this value from PackageSettings 6972 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6973 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6974 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6975 } 6976 } 6977 6978 // TODO: extend to support forward-locked splits 6979 String resourcePath = null; 6980 String baseResourcePath = null; 6981 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6982 if (ps != null && ps.resourcePathString != null) { 6983 resourcePath = ps.resourcePathString; 6984 baseResourcePath = ps.resourcePathString; 6985 } else { 6986 // Should not happen at all. Just log an error. 6987 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6988 } 6989 } else { 6990 resourcePath = pkg.codePath; 6991 baseResourcePath = pkg.baseCodePath; 6992 } 6993 6994 // Set application objects path explicitly. 6995 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6996 pkg.setApplicationInfoCodePath(pkg.codePath); 6997 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6998 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6999 pkg.setApplicationInfoResourcePath(resourcePath); 7000 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7001 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7002 7003 // Note that we invoke the following method only if we are about to unpack an application 7004 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7005 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7006 7007 /* 7008 * If the system app should be overridden by a previously installed 7009 * data, hide the system app now and let the /data/app scan pick it up 7010 * again. 7011 */ 7012 if (shouldHideSystemApp) { 7013 synchronized (mPackages) { 7014 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7015 } 7016 } 7017 7018 return scannedPkg; 7019 } 7020 7021 private static String fixProcessName(String defProcessName, 7022 String processName, int uid) { 7023 if (processName == null) { 7024 return defProcessName; 7025 } 7026 return processName; 7027 } 7028 7029 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7030 throws PackageManagerException { 7031 if (pkgSetting.signatures.mSignatures != null) { 7032 // Already existing package. Make sure signatures match 7033 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7034 == PackageManager.SIGNATURE_MATCH; 7035 if (!match) { 7036 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7037 == PackageManager.SIGNATURE_MATCH; 7038 } 7039 if (!match) { 7040 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7041 == PackageManager.SIGNATURE_MATCH; 7042 } 7043 if (!match) { 7044 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7045 + pkg.packageName + " signatures do not match the " 7046 + "previously installed version; ignoring!"); 7047 } 7048 } 7049 7050 // Check for shared user signatures 7051 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7052 // Already existing package. Make sure signatures match 7053 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7054 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7055 if (!match) { 7056 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7057 == PackageManager.SIGNATURE_MATCH; 7058 } 7059 if (!match) { 7060 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7061 == PackageManager.SIGNATURE_MATCH; 7062 } 7063 if (!match) { 7064 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7065 "Package " + pkg.packageName 7066 + " has no signatures that match those in shared user " 7067 + pkgSetting.sharedUser.name + "; ignoring!"); 7068 } 7069 } 7070 } 7071 7072 /** 7073 * Enforces that only the system UID or root's UID can call a method exposed 7074 * via Binder. 7075 * 7076 * @param message used as message if SecurityException is thrown 7077 * @throws SecurityException if the caller is not system or root 7078 */ 7079 private static final void enforceSystemOrRoot(String message) { 7080 final int uid = Binder.getCallingUid(); 7081 if (uid != Process.SYSTEM_UID && uid != 0) { 7082 throw new SecurityException(message); 7083 } 7084 } 7085 7086 @Override 7087 public void performFstrimIfNeeded() { 7088 enforceSystemOrRoot("Only the system can request fstrim"); 7089 7090 // Before everything else, see whether we need to fstrim. 7091 try { 7092 IMountService ms = PackageHelper.getMountService(); 7093 if (ms != null) { 7094 final boolean isUpgrade = isUpgrade(); 7095 boolean doTrim = isUpgrade; 7096 if (doTrim) { 7097 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7098 } else { 7099 final long interval = android.provider.Settings.Global.getLong( 7100 mContext.getContentResolver(), 7101 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7102 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7103 if (interval > 0) { 7104 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7105 if (timeSinceLast > interval) { 7106 doTrim = true; 7107 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7108 + "; running immediately"); 7109 } 7110 } 7111 } 7112 if (doTrim) { 7113 if (!isFirstBoot()) { 7114 try { 7115 ActivityManagerNative.getDefault().showBootMessage( 7116 mContext.getResources().getString( 7117 R.string.android_upgrading_fstrim), true); 7118 } catch (RemoteException e) { 7119 } 7120 } 7121 ms.runMaintenance(); 7122 } 7123 } else { 7124 Slog.e(TAG, "Mount service unavailable!"); 7125 } 7126 } catch (RemoteException e) { 7127 // Can't happen; MountService is local 7128 } 7129 } 7130 7131 @Override 7132 public void updatePackagesIfNeeded() { 7133 enforceSystemOrRoot("Only the system can request package update"); 7134 7135 // We need to re-extract after an OTA. 7136 boolean causeUpgrade = isUpgrade(); 7137 7138 // First boot or factory reset. 7139 // Note: we also handle devices that are upgrading to N right now as if it is their 7140 // first boot, as they do not have profile data. 7141 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7142 7143 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7144 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7145 7146 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7147 return; 7148 } 7149 7150 List<PackageParser.Package> pkgs; 7151 synchronized (mPackages) { 7152 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7153 } 7154 7155 int curr = 0; 7156 int total = pkgs.size(); 7157 for (PackageParser.Package pkg : pkgs) { 7158 curr++; 7159 7160 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7161 if (DEBUG_DEXOPT) { 7162 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7163 } 7164 continue; 7165 } 7166 7167 if (DEBUG_DEXOPT) { 7168 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7169 } 7170 7171 if (!isFirstBoot()) { 7172 try { 7173 ActivityManagerNative.getDefault().showBootMessage( 7174 mContext.getResources().getString(R.string.android_upgrading_apk, 7175 curr, total), true); 7176 } catch (RemoteException e) { 7177 } 7178 } 7179 7180 performDexOpt(pkg.packageName, 7181 null /* instructionSet */, 7182 true /* checkProfiles */, 7183 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7184 false /* force */); 7185 } 7186 } 7187 7188 @Override 7189 public void notifyPackageUse(String packageName, int reason) { 7190 synchronized (mPackages) { 7191 PackageParser.Package p = mPackages.get(packageName); 7192 if (p == null) { 7193 return; 7194 } 7195 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7196 } 7197 } 7198 7199 // TODO: this is not used nor needed. Delete it. 7200 @Override 7201 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7202 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7203 getFullCompilerFilter(), false /* force */); 7204 } 7205 7206 @Override 7207 public boolean performDexOpt(String packageName, String instructionSet, 7208 boolean checkProfiles, int compileReason, boolean force) { 7209 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7210 getCompilerFilterForReason(compileReason), force); 7211 } 7212 7213 @Override 7214 public boolean performDexOptMode(String packageName, String instructionSet, 7215 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7216 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7217 targetCompilerFilter, force); 7218 } 7219 7220 private boolean performDexOptTraced(String packageName, String instructionSet, 7221 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7222 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7223 try { 7224 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7225 targetCompilerFilter, force); 7226 } finally { 7227 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7228 } 7229 } 7230 7231 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7232 // if the package can now be considered up to date for the given filter. 7233 private boolean performDexOptInternal(String packageName, String instructionSet, 7234 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7235 PackageParser.Package p; 7236 final String targetInstructionSet; 7237 synchronized (mPackages) { 7238 p = mPackages.get(packageName); 7239 if (p == null) { 7240 return false; 7241 } 7242 mPackageUsage.write(false); 7243 7244 targetInstructionSet = instructionSet != null ? instructionSet : 7245 getPrimaryInstructionSet(p.applicationInfo); 7246 } 7247 long callingId = Binder.clearCallingIdentity(); 7248 try { 7249 synchronized (mInstallLock) { 7250 final String[] instructionSets = new String[] { targetInstructionSet }; 7251 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7252 checkProfiles, targetCompilerFilter, force); 7253 return result != PackageDexOptimizer.DEX_OPT_FAILED; 7254 } 7255 } finally { 7256 Binder.restoreCallingIdentity(callingId); 7257 } 7258 } 7259 7260 public ArraySet<String> getOptimizablePackages() { 7261 ArraySet<String> pkgs = new ArraySet<String>(); 7262 synchronized (mPackages) { 7263 for (PackageParser.Package p : mPackages.values()) { 7264 if (PackageDexOptimizer.canOptimizePackage(p)) { 7265 pkgs.add(p.packageName); 7266 } 7267 } 7268 } 7269 return pkgs; 7270 } 7271 7272 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7273 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7274 boolean force) { 7275 // Select the dex optimizer based on the force parameter. 7276 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7277 // allocate an object here. 7278 PackageDexOptimizer pdo = force 7279 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7280 : mPackageDexOptimizer; 7281 7282 // Optimize all dependencies first. Note: we ignore the return value and march on 7283 // on errors. 7284 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7285 if (!deps.isEmpty()) { 7286 for (PackageParser.Package depPackage : deps) { 7287 // TODO: Analyze and investigate if we (should) profile libraries. 7288 // Currently this will do a full compilation of the library by default. 7289 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7290 false /* checkProfiles */, 7291 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7292 } 7293 } 7294 7295 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7296 targetCompilerFilter); 7297 } 7298 7299 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7300 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7301 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7302 Set<String> collectedNames = new HashSet<>(); 7303 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7304 7305 retValue.remove(p); 7306 7307 return retValue; 7308 } else { 7309 return Collections.emptyList(); 7310 } 7311 } 7312 7313 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7314 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7315 if (!collectedNames.contains(p.packageName)) { 7316 collectedNames.add(p.packageName); 7317 collected.add(p); 7318 7319 if (p.usesLibraries != null) { 7320 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7321 } 7322 if (p.usesOptionalLibraries != null) { 7323 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7324 collectedNames); 7325 } 7326 } 7327 } 7328 7329 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7330 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7331 for (String libName : libs) { 7332 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7333 if (libPkg != null) { 7334 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7335 } 7336 } 7337 } 7338 7339 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7340 synchronized (mPackages) { 7341 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7342 if (lib != null && lib.apk != null) { 7343 return mPackages.get(lib.apk); 7344 } 7345 } 7346 return null; 7347 } 7348 7349 public void shutdown() { 7350 mPackageUsage.write(true); 7351 } 7352 7353 @Override 7354 public void forceDexOpt(String packageName) { 7355 enforceSystemOrRoot("forceDexOpt"); 7356 7357 PackageParser.Package pkg; 7358 synchronized (mPackages) { 7359 pkg = mPackages.get(packageName); 7360 if (pkg == null) { 7361 throw new IllegalArgumentException("Unknown package: " + packageName); 7362 } 7363 } 7364 7365 synchronized (mInstallLock) { 7366 final String[] instructionSets = new String[] { 7367 getPrimaryInstructionSet(pkg.applicationInfo) }; 7368 7369 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7370 7371 // Whoever is calling forceDexOpt wants a fully compiled package. 7372 // Don't use profiles since that may cause compilation to be skipped. 7373 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7374 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7375 true /* force */); 7376 7377 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7378 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7379 throw new IllegalStateException("Failed to dexopt: " + res); 7380 } 7381 } 7382 } 7383 7384 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7385 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7386 Slog.w(TAG, "Unable to update from " + oldPkg.name 7387 + " to " + newPkg.packageName 7388 + ": old package not in system partition"); 7389 return false; 7390 } else if (mPackages.get(oldPkg.name) != null) { 7391 Slog.w(TAG, "Unable to update from " + oldPkg.name 7392 + " to " + newPkg.packageName 7393 + ": old package still exists"); 7394 return false; 7395 } 7396 return true; 7397 } 7398 7399 void removeCodePathLI(File codePath) { 7400 if (codePath.isDirectory()) { 7401 try { 7402 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7403 } catch (InstallerException e) { 7404 Slog.w(TAG, "Failed to remove code path", e); 7405 } 7406 } else { 7407 codePath.delete(); 7408 } 7409 } 7410 7411 private int[] resolveUserIds(int userId) { 7412 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7413 } 7414 7415 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7416 if (pkg == null) { 7417 Slog.wtf(TAG, "Package was null!", new Throwable()); 7418 return; 7419 } 7420 clearAppDataLeafLIF(pkg, userId, flags); 7421 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7422 for (int i = 0; i < childCount; i++) { 7423 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7424 } 7425 } 7426 7427 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7428 final PackageSetting ps; 7429 synchronized (mPackages) { 7430 ps = mSettings.mPackages.get(pkg.packageName); 7431 } 7432 for (int realUserId : resolveUserIds(userId)) { 7433 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7434 try { 7435 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7436 ceDataInode); 7437 } catch (InstallerException e) { 7438 Slog.w(TAG, String.valueOf(e)); 7439 } 7440 } 7441 } 7442 7443 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7444 if (pkg == null) { 7445 Slog.wtf(TAG, "Package was null!", new Throwable()); 7446 return; 7447 } 7448 destroyAppDataLeafLIF(pkg, userId, flags); 7449 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7450 for (int i = 0; i < childCount; i++) { 7451 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7452 } 7453 } 7454 7455 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7456 final PackageSetting ps; 7457 synchronized (mPackages) { 7458 ps = mSettings.mPackages.get(pkg.packageName); 7459 } 7460 for (int realUserId : resolveUserIds(userId)) { 7461 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7462 try { 7463 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7464 ceDataInode); 7465 } catch (InstallerException e) { 7466 Slog.w(TAG, String.valueOf(e)); 7467 } 7468 } 7469 } 7470 7471 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7472 if (pkg == null) { 7473 Slog.wtf(TAG, "Package was null!", new Throwable()); 7474 return; 7475 } 7476 destroyAppProfilesLeafLIF(pkg); 7477 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7478 for (int i = 0; i < childCount; i++) { 7479 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7480 } 7481 } 7482 7483 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7484 try { 7485 mInstaller.destroyAppProfiles(pkg.packageName); 7486 } catch (InstallerException e) { 7487 Slog.w(TAG, String.valueOf(e)); 7488 } 7489 } 7490 7491 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7492 if (pkg == null) { 7493 Slog.wtf(TAG, "Package was null!", new Throwable()); 7494 return; 7495 } 7496 clearAppProfilesLeafLIF(pkg); 7497 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7498 for (int i = 0; i < childCount; i++) { 7499 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7500 } 7501 } 7502 7503 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7504 try { 7505 mInstaller.clearAppProfiles(pkg.packageName); 7506 } catch (InstallerException e) { 7507 Slog.w(TAG, String.valueOf(e)); 7508 } 7509 } 7510 7511 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7512 long lastUpdateTime) { 7513 // Set parent install/update time 7514 PackageSetting ps = (PackageSetting) pkg.mExtras; 7515 if (ps != null) { 7516 ps.firstInstallTime = firstInstallTime; 7517 ps.lastUpdateTime = lastUpdateTime; 7518 } 7519 // Set children install/update time 7520 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7521 for (int i = 0; i < childCount; i++) { 7522 PackageParser.Package childPkg = pkg.childPackages.get(i); 7523 ps = (PackageSetting) childPkg.mExtras; 7524 if (ps != null) { 7525 ps.firstInstallTime = firstInstallTime; 7526 ps.lastUpdateTime = lastUpdateTime; 7527 } 7528 } 7529 } 7530 7531 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7532 PackageParser.Package changingLib) { 7533 if (file.path != null) { 7534 usesLibraryFiles.add(file.path); 7535 return; 7536 } 7537 PackageParser.Package p = mPackages.get(file.apk); 7538 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7539 // If we are doing this while in the middle of updating a library apk, 7540 // then we need to make sure to use that new apk for determining the 7541 // dependencies here. (We haven't yet finished committing the new apk 7542 // to the package manager state.) 7543 if (p == null || p.packageName.equals(changingLib.packageName)) { 7544 p = changingLib; 7545 } 7546 } 7547 if (p != null) { 7548 usesLibraryFiles.addAll(p.getAllCodePaths()); 7549 } 7550 } 7551 7552 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7553 PackageParser.Package changingLib) throws PackageManagerException { 7554 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7555 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7556 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7557 for (int i=0; i<N; i++) { 7558 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7559 if (file == null) { 7560 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7561 "Package " + pkg.packageName + " requires unavailable shared library " 7562 + pkg.usesLibraries.get(i) + "; failing!"); 7563 } 7564 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7565 } 7566 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7567 for (int i=0; i<N; i++) { 7568 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7569 if (file == null) { 7570 Slog.w(TAG, "Package " + pkg.packageName 7571 + " desires unavailable shared library " 7572 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7573 } else { 7574 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7575 } 7576 } 7577 N = usesLibraryFiles.size(); 7578 if (N > 0) { 7579 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7580 } else { 7581 pkg.usesLibraryFiles = null; 7582 } 7583 } 7584 } 7585 7586 private static boolean hasString(List<String> list, List<String> which) { 7587 if (list == null) { 7588 return false; 7589 } 7590 for (int i=list.size()-1; i>=0; i--) { 7591 for (int j=which.size()-1; j>=0; j--) { 7592 if (which.get(j).equals(list.get(i))) { 7593 return true; 7594 } 7595 } 7596 } 7597 return false; 7598 } 7599 7600 private void updateAllSharedLibrariesLPw() { 7601 for (PackageParser.Package pkg : mPackages.values()) { 7602 try { 7603 updateSharedLibrariesLPw(pkg, null); 7604 } catch (PackageManagerException e) { 7605 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7606 } 7607 } 7608 } 7609 7610 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7611 PackageParser.Package changingPkg) { 7612 ArrayList<PackageParser.Package> res = null; 7613 for (PackageParser.Package pkg : mPackages.values()) { 7614 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7615 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7616 if (res == null) { 7617 res = new ArrayList<PackageParser.Package>(); 7618 } 7619 res.add(pkg); 7620 try { 7621 updateSharedLibrariesLPw(pkg, changingPkg); 7622 } catch (PackageManagerException e) { 7623 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7624 } 7625 } 7626 } 7627 return res; 7628 } 7629 7630 /** 7631 * Derive the value of the {@code cpuAbiOverride} based on the provided 7632 * value and an optional stored value from the package settings. 7633 */ 7634 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7635 String cpuAbiOverride = null; 7636 7637 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7638 cpuAbiOverride = null; 7639 } else if (abiOverride != null) { 7640 cpuAbiOverride = abiOverride; 7641 } else if (settings != null) { 7642 cpuAbiOverride = settings.cpuAbiOverrideString; 7643 } 7644 7645 return cpuAbiOverride; 7646 } 7647 7648 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7649 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7650 throws PackageManagerException { 7651 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7652 // If the package has children and this is the first dive in the function 7653 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7654 // whether all packages (parent and children) would be successfully scanned 7655 // before the actual scan since scanning mutates internal state and we want 7656 // to atomically install the package and its children. 7657 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7658 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7659 scanFlags |= SCAN_CHECK_ONLY; 7660 } 7661 } else { 7662 scanFlags &= ~SCAN_CHECK_ONLY; 7663 } 7664 7665 final PackageParser.Package scannedPkg; 7666 try { 7667 // Scan the parent 7668 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7669 // Scan the children 7670 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7671 for (int i = 0; i < childCount; i++) { 7672 PackageParser.Package childPkg = pkg.childPackages.get(i); 7673 scanPackageLI(childPkg, policyFlags, 7674 scanFlags, currentTime, user); 7675 } 7676 } finally { 7677 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7678 } 7679 7680 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7681 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7682 } 7683 7684 return scannedPkg; 7685 } 7686 7687 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7688 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7689 boolean success = false; 7690 try { 7691 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7692 currentTime, user); 7693 success = true; 7694 return res; 7695 } finally { 7696 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7697 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7698 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7699 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7700 destroyAppProfilesLIF(pkg); 7701 } 7702 } 7703 } 7704 7705 /** 7706 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7707 */ 7708 private static boolean apkHasCode(String fileName) { 7709 StrictJarFile jarFile = null; 7710 try { 7711 jarFile = new StrictJarFile(fileName, 7712 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7713 return jarFile.findEntry("classes.dex") != null; 7714 } catch (IOException ignore) { 7715 } finally { 7716 try { 7717 jarFile.close(); 7718 } catch (IOException ignore) {} 7719 } 7720 return false; 7721 } 7722 7723 /** 7724 * Enforces code policy for the package. This ensures that if an APK has 7725 * declared hasCode="true" in its manifest that the APK actually contains 7726 * code. 7727 * 7728 * @throws PackageManagerException If bytecode could not be found when it should exist 7729 */ 7730 private static void enforceCodePolicy(PackageParser.Package pkg) 7731 throws PackageManagerException { 7732 final boolean shouldHaveCode = 7733 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7734 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7735 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7736 "Package " + pkg.baseCodePath + " code is missing"); 7737 } 7738 7739 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7740 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7741 final boolean splitShouldHaveCode = 7742 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7743 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7744 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7745 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7746 } 7747 } 7748 } 7749 } 7750 7751 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7752 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7753 throws PackageManagerException { 7754 final File scanFile = new File(pkg.codePath); 7755 if (pkg.applicationInfo.getCodePath() == null || 7756 pkg.applicationInfo.getResourcePath() == null) { 7757 // Bail out. The resource and code paths haven't been set. 7758 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7759 "Code and resource paths haven't been set correctly"); 7760 } 7761 7762 // Apply policy 7763 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7764 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7765 if (pkg.applicationInfo.isDirectBootAware()) { 7766 // we're direct boot aware; set for all components 7767 for (PackageParser.Service s : pkg.services) { 7768 s.info.encryptionAware = s.info.directBootAware = true; 7769 } 7770 for (PackageParser.Provider p : pkg.providers) { 7771 p.info.encryptionAware = p.info.directBootAware = true; 7772 } 7773 for (PackageParser.Activity a : pkg.activities) { 7774 a.info.encryptionAware = a.info.directBootAware = true; 7775 } 7776 for (PackageParser.Activity r : pkg.receivers) { 7777 r.info.encryptionAware = r.info.directBootAware = true; 7778 } 7779 } 7780 } else { 7781 // Only allow system apps to be flagged as core apps. 7782 pkg.coreApp = false; 7783 // clear flags not applicable to regular apps 7784 pkg.applicationInfo.privateFlags &= 7785 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7786 pkg.applicationInfo.privateFlags &= 7787 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7788 } 7789 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7790 7791 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7792 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7793 } 7794 7795 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7796 enforceCodePolicy(pkg); 7797 } 7798 7799 if (mCustomResolverComponentName != null && 7800 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7801 setUpCustomResolverActivity(pkg); 7802 } 7803 7804 if (pkg.packageName.equals("android")) { 7805 synchronized (mPackages) { 7806 if (mAndroidApplication != null) { 7807 Slog.w(TAG, "*************************************************"); 7808 Slog.w(TAG, "Core android package being redefined. Skipping."); 7809 Slog.w(TAG, " file=" + scanFile); 7810 Slog.w(TAG, "*************************************************"); 7811 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7812 "Core android package being redefined. Skipping."); 7813 } 7814 7815 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7816 // Set up information for our fall-back user intent resolution activity. 7817 mPlatformPackage = pkg; 7818 pkg.mVersionCode = mSdkVersion; 7819 mAndroidApplication = pkg.applicationInfo; 7820 7821 if (!mResolverReplaced) { 7822 mResolveActivity.applicationInfo = mAndroidApplication; 7823 mResolveActivity.name = ResolverActivity.class.getName(); 7824 mResolveActivity.packageName = mAndroidApplication.packageName; 7825 mResolveActivity.processName = "system:ui"; 7826 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7827 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7828 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7829 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7830 mResolveActivity.exported = true; 7831 mResolveActivity.enabled = true; 7832 mResolveInfo.activityInfo = mResolveActivity; 7833 mResolveInfo.priority = 0; 7834 mResolveInfo.preferredOrder = 0; 7835 mResolveInfo.match = 0; 7836 mResolveComponentName = new ComponentName( 7837 mAndroidApplication.packageName, mResolveActivity.name); 7838 } 7839 } 7840 } 7841 } 7842 7843 if (DEBUG_PACKAGE_SCANNING) { 7844 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7845 Log.d(TAG, "Scanning package " + pkg.packageName); 7846 } 7847 7848 synchronized (mPackages) { 7849 if (mPackages.containsKey(pkg.packageName) 7850 || mSharedLibraries.containsKey(pkg.packageName)) { 7851 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7852 "Application package " + pkg.packageName 7853 + " already installed. Skipping duplicate."); 7854 } 7855 7856 // If we're only installing presumed-existing packages, require that the 7857 // scanned APK is both already known and at the path previously established 7858 // for it. Previously unknown packages we pick up normally, but if we have an 7859 // a priori expectation about this package's install presence, enforce it. 7860 // With a singular exception for new system packages. When an OTA contains 7861 // a new system package, we allow the codepath to change from a system location 7862 // to the user-installed location. If we don't allow this change, any newer, 7863 // user-installed version of the application will be ignored. 7864 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7865 if (mExpectingBetter.containsKey(pkg.packageName)) { 7866 logCriticalInfo(Log.WARN, 7867 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7868 } else { 7869 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7870 if (known != null) { 7871 if (DEBUG_PACKAGE_SCANNING) { 7872 Log.d(TAG, "Examining " + pkg.codePath 7873 + " and requiring known paths " + known.codePathString 7874 + " & " + known.resourcePathString); 7875 } 7876 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7877 || !pkg.applicationInfo.getResourcePath().equals( 7878 known.resourcePathString)) { 7879 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7880 "Application package " + pkg.packageName 7881 + " found at " + pkg.applicationInfo.getCodePath() 7882 + " but expected at " + known.codePathString 7883 + "; ignoring."); 7884 } 7885 } 7886 } 7887 } 7888 } 7889 7890 // Initialize package source and resource directories 7891 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7892 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7893 7894 SharedUserSetting suid = null; 7895 PackageSetting pkgSetting = null; 7896 7897 if (!isSystemApp(pkg)) { 7898 // Only system apps can use these features. 7899 pkg.mOriginalPackages = null; 7900 pkg.mRealPackage = null; 7901 pkg.mAdoptPermissions = null; 7902 } 7903 7904 // Getting the package setting may have a side-effect, so if we 7905 // are only checking if scan would succeed, stash a copy of the 7906 // old setting to restore at the end. 7907 PackageSetting nonMutatedPs = null; 7908 7909 // writer 7910 synchronized (mPackages) { 7911 if (pkg.mSharedUserId != null) { 7912 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7913 if (suid == null) { 7914 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7915 "Creating application package " + pkg.packageName 7916 + " for shared user failed"); 7917 } 7918 if (DEBUG_PACKAGE_SCANNING) { 7919 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7920 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7921 + "): packages=" + suid.packages); 7922 } 7923 } 7924 7925 // Check if we are renaming from an original package name. 7926 PackageSetting origPackage = null; 7927 String realName = null; 7928 if (pkg.mOriginalPackages != null) { 7929 // This package may need to be renamed to a previously 7930 // installed name. Let's check on that... 7931 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7932 if (pkg.mOriginalPackages.contains(renamed)) { 7933 // This package had originally been installed as the 7934 // original name, and we have already taken care of 7935 // transitioning to the new one. Just update the new 7936 // one to continue using the old name. 7937 realName = pkg.mRealPackage; 7938 if (!pkg.packageName.equals(renamed)) { 7939 // Callers into this function may have already taken 7940 // care of renaming the package; only do it here if 7941 // it is not already done. 7942 pkg.setPackageName(renamed); 7943 } 7944 7945 } else { 7946 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7947 if ((origPackage = mSettings.peekPackageLPr( 7948 pkg.mOriginalPackages.get(i))) != null) { 7949 // We do have the package already installed under its 7950 // original name... should we use it? 7951 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7952 // New package is not compatible with original. 7953 origPackage = null; 7954 continue; 7955 } else if (origPackage.sharedUser != null) { 7956 // Make sure uid is compatible between packages. 7957 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7958 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7959 + " to " + pkg.packageName + ": old uid " 7960 + origPackage.sharedUser.name 7961 + " differs from " + pkg.mSharedUserId); 7962 origPackage = null; 7963 continue; 7964 } 7965 // TODO: Add case when shared user id is added [b/28144775] 7966 } else { 7967 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7968 + pkg.packageName + " to old name " + origPackage.name); 7969 } 7970 break; 7971 } 7972 } 7973 } 7974 } 7975 7976 if (mTransferedPackages.contains(pkg.packageName)) { 7977 Slog.w(TAG, "Package " + pkg.packageName 7978 + " was transferred to another, but its .apk remains"); 7979 } 7980 7981 // See comments in nonMutatedPs declaration 7982 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7983 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7984 if (foundPs != null) { 7985 nonMutatedPs = new PackageSetting(foundPs); 7986 } 7987 } 7988 7989 // Just create the setting, don't add it yet. For already existing packages 7990 // the PkgSetting exists already and doesn't have to be created. 7991 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7992 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7993 pkg.applicationInfo.primaryCpuAbi, 7994 pkg.applicationInfo.secondaryCpuAbi, 7995 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7996 user, false); 7997 if (pkgSetting == null) { 7998 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7999 "Creating application package " + pkg.packageName + " failed"); 8000 } 8001 8002 if (pkgSetting.origPackage != null) { 8003 // If we are first transitioning from an original package, 8004 // fix up the new package's name now. We need to do this after 8005 // looking up the package under its new name, so getPackageLP 8006 // can take care of fiddling things correctly. 8007 pkg.setPackageName(origPackage.name); 8008 8009 // File a report about this. 8010 String msg = "New package " + pkgSetting.realName 8011 + " renamed to replace old package " + pkgSetting.name; 8012 reportSettingsProblem(Log.WARN, msg); 8013 8014 // Make a note of it. 8015 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8016 mTransferedPackages.add(origPackage.name); 8017 } 8018 8019 // No longer need to retain this. 8020 pkgSetting.origPackage = null; 8021 } 8022 8023 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8024 // Make a note of it. 8025 mTransferedPackages.add(pkg.packageName); 8026 } 8027 8028 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8029 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8030 } 8031 8032 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8033 // Check all shared libraries and map to their actual file path. 8034 // We only do this here for apps not on a system dir, because those 8035 // are the only ones that can fail an install due to this. We 8036 // will take care of the system apps by updating all of their 8037 // library paths after the scan is done. 8038 updateSharedLibrariesLPw(pkg, null); 8039 } 8040 8041 if (mFoundPolicyFile) { 8042 SELinuxMMAC.assignSeinfoValue(pkg); 8043 } 8044 8045 pkg.applicationInfo.uid = pkgSetting.appId; 8046 pkg.mExtras = pkgSetting; 8047 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8048 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8049 // We just determined the app is signed correctly, so bring 8050 // over the latest parsed certs. 8051 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8052 } else { 8053 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8054 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8055 "Package " + pkg.packageName + " upgrade keys do not match the " 8056 + "previously installed version"); 8057 } else { 8058 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8059 String msg = "System package " + pkg.packageName 8060 + " signature changed; retaining data."; 8061 reportSettingsProblem(Log.WARN, msg); 8062 } 8063 } 8064 } else { 8065 try { 8066 verifySignaturesLP(pkgSetting, pkg); 8067 // We just determined the app is signed correctly, so bring 8068 // over the latest parsed certs. 8069 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8070 } catch (PackageManagerException e) { 8071 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8072 throw e; 8073 } 8074 // The signature has changed, but this package is in the system 8075 // image... let's recover! 8076 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8077 // However... if this package is part of a shared user, but it 8078 // doesn't match the signature of the shared user, let's fail. 8079 // What this means is that you can't change the signatures 8080 // associated with an overall shared user, which doesn't seem all 8081 // that unreasonable. 8082 if (pkgSetting.sharedUser != null) { 8083 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8084 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8085 throw new PackageManagerException( 8086 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8087 "Signature mismatch for shared user: " 8088 + pkgSetting.sharedUser); 8089 } 8090 } 8091 // File a report about this. 8092 String msg = "System package " + pkg.packageName 8093 + " signature changed; retaining data."; 8094 reportSettingsProblem(Log.WARN, msg); 8095 } 8096 } 8097 // Verify that this new package doesn't have any content providers 8098 // that conflict with existing packages. Only do this if the 8099 // package isn't already installed, since we don't want to break 8100 // things that are installed. 8101 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8102 final int N = pkg.providers.size(); 8103 int i; 8104 for (i=0; i<N; i++) { 8105 PackageParser.Provider p = pkg.providers.get(i); 8106 if (p.info.authority != null) { 8107 String names[] = p.info.authority.split(";"); 8108 for (int j = 0; j < names.length; j++) { 8109 if (mProvidersByAuthority.containsKey(names[j])) { 8110 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8111 final String otherPackageName = 8112 ((other != null && other.getComponentName() != null) ? 8113 other.getComponentName().getPackageName() : "?"); 8114 throw new PackageManagerException( 8115 INSTALL_FAILED_CONFLICTING_PROVIDER, 8116 "Can't install because provider name " + names[j] 8117 + " (in package " + pkg.applicationInfo.packageName 8118 + ") is already used by " + otherPackageName); 8119 } 8120 } 8121 } 8122 } 8123 } 8124 8125 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8126 // This package wants to adopt ownership of permissions from 8127 // another package. 8128 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8129 final String origName = pkg.mAdoptPermissions.get(i); 8130 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8131 if (orig != null) { 8132 if (verifyPackageUpdateLPr(orig, pkg)) { 8133 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8134 + pkg.packageName); 8135 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8136 } 8137 } 8138 } 8139 } 8140 } 8141 8142 final String pkgName = pkg.packageName; 8143 8144 final long scanFileTime = scanFile.lastModified(); 8145 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8146 pkg.applicationInfo.processName = fixProcessName( 8147 pkg.applicationInfo.packageName, 8148 pkg.applicationInfo.processName, 8149 pkg.applicationInfo.uid); 8150 8151 if (pkg != mPlatformPackage) { 8152 // Get all of our default paths setup 8153 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8154 } 8155 8156 final String path = scanFile.getPath(); 8157 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8158 8159 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8160 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8161 8162 // Some system apps still use directory structure for native libraries 8163 // in which case we might end up not detecting abi solely based on apk 8164 // structure. Try to detect abi based on directory structure. 8165 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8166 pkg.applicationInfo.primaryCpuAbi == null) { 8167 setBundledAppAbisAndRoots(pkg, pkgSetting); 8168 setNativeLibraryPaths(pkg); 8169 } 8170 8171 } else { 8172 if ((scanFlags & SCAN_MOVE) != 0) { 8173 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8174 // but we already have this packages package info in the PackageSetting. We just 8175 // use that and derive the native library path based on the new codepath. 8176 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8177 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8178 } 8179 8180 // Set native library paths again. For moves, the path will be updated based on the 8181 // ABIs we've determined above. For non-moves, the path will be updated based on the 8182 // ABIs we determined during compilation, but the path will depend on the final 8183 // package path (after the rename away from the stage path). 8184 setNativeLibraryPaths(pkg); 8185 } 8186 8187 // This is a special case for the "system" package, where the ABI is 8188 // dictated by the zygote configuration (and init.rc). We should keep track 8189 // of this ABI so that we can deal with "normal" applications that run under 8190 // the same UID correctly. 8191 if (mPlatformPackage == pkg) { 8192 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8193 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8194 } 8195 8196 // If there's a mismatch between the abi-override in the package setting 8197 // and the abiOverride specified for the install. Warn about this because we 8198 // would've already compiled the app without taking the package setting into 8199 // account. 8200 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8201 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8202 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8203 " for package " + pkg.packageName); 8204 } 8205 } 8206 8207 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8208 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8209 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8210 8211 // Copy the derived override back to the parsed package, so that we can 8212 // update the package settings accordingly. 8213 pkg.cpuAbiOverride = cpuAbiOverride; 8214 8215 if (DEBUG_ABI_SELECTION) { 8216 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8217 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8218 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8219 } 8220 8221 // Push the derived path down into PackageSettings so we know what to 8222 // clean up at uninstall time. 8223 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8224 8225 if (DEBUG_ABI_SELECTION) { 8226 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8227 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8228 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8229 } 8230 8231 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8232 // We don't do this here during boot because we can do it all 8233 // at once after scanning all existing packages. 8234 // 8235 // We also do this *before* we perform dexopt on this package, so that 8236 // we can avoid redundant dexopts, and also to make sure we've got the 8237 // code and package path correct. 8238 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8239 pkg, true /* boot complete */); 8240 } 8241 8242 if (mFactoryTest && pkg.requestedPermissions.contains( 8243 android.Manifest.permission.FACTORY_TEST)) { 8244 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8245 } 8246 8247 ArrayList<PackageParser.Package> clientLibPkgs = null; 8248 8249 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8250 if (nonMutatedPs != null) { 8251 synchronized (mPackages) { 8252 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8253 } 8254 } 8255 return pkg; 8256 } 8257 8258 // Only privileged apps and updated privileged apps can add child packages. 8259 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8260 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8261 throw new PackageManagerException("Only privileged apps and updated " 8262 + "privileged apps can add child packages. Ignoring package " 8263 + pkg.packageName); 8264 } 8265 final int childCount = pkg.childPackages.size(); 8266 for (int i = 0; i < childCount; i++) { 8267 PackageParser.Package childPkg = pkg.childPackages.get(i); 8268 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8269 childPkg.packageName)) { 8270 throw new PackageManagerException("Cannot override a child package of " 8271 + "another disabled system app. Ignoring package " + pkg.packageName); 8272 } 8273 } 8274 } 8275 8276 // writer 8277 synchronized (mPackages) { 8278 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8279 // Only system apps can add new shared libraries. 8280 if (pkg.libraryNames != null) { 8281 for (int i=0; i<pkg.libraryNames.size(); i++) { 8282 String name = pkg.libraryNames.get(i); 8283 boolean allowed = false; 8284 if (pkg.isUpdatedSystemApp()) { 8285 // New library entries can only be added through the 8286 // system image. This is important to get rid of a lot 8287 // of nasty edge cases: for example if we allowed a non- 8288 // system update of the app to add a library, then uninstalling 8289 // the update would make the library go away, and assumptions 8290 // we made such as through app install filtering would now 8291 // have allowed apps on the device which aren't compatible 8292 // with it. Better to just have the restriction here, be 8293 // conservative, and create many fewer cases that can negatively 8294 // impact the user experience. 8295 final PackageSetting sysPs = mSettings 8296 .getDisabledSystemPkgLPr(pkg.packageName); 8297 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8298 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8299 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8300 allowed = true; 8301 break; 8302 } 8303 } 8304 } 8305 } else { 8306 allowed = true; 8307 } 8308 if (allowed) { 8309 if (!mSharedLibraries.containsKey(name)) { 8310 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8311 } else if (!name.equals(pkg.packageName)) { 8312 Slog.w(TAG, "Package " + pkg.packageName + " library " 8313 + name + " already exists; skipping"); 8314 } 8315 } else { 8316 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8317 + name + " that is not declared on system image; skipping"); 8318 } 8319 } 8320 if ((scanFlags & SCAN_BOOTING) == 0) { 8321 // If we are not booting, we need to update any applications 8322 // that are clients of our shared library. If we are booting, 8323 // this will all be done once the scan is complete. 8324 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8325 } 8326 } 8327 } 8328 } 8329 8330 if ((scanFlags & SCAN_BOOTING) != 0) { 8331 // No apps can run during boot scan, so they don't need to be frozen 8332 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8333 // Caller asked to not kill app, so it's probably not frozen 8334 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8335 // Caller asked us to ignore frozen check for some reason; they 8336 // probably didn't know the package name 8337 } else { 8338 // We're doing major surgery on this package, so it better be frozen 8339 // right now to keep it from launching 8340 checkPackageFrozen(pkgName); 8341 } 8342 8343 // Also need to kill any apps that are dependent on the library. 8344 if (clientLibPkgs != null) { 8345 for (int i=0; i<clientLibPkgs.size(); i++) { 8346 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8347 killApplication(clientPkg.applicationInfo.packageName, 8348 clientPkg.applicationInfo.uid, "update lib"); 8349 } 8350 } 8351 8352 // Make sure we're not adding any bogus keyset info 8353 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8354 ksms.assertScannedPackageValid(pkg); 8355 8356 // writer 8357 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8358 8359 boolean createIdmapFailed = false; 8360 synchronized (mPackages) { 8361 // We don't expect installation to fail beyond this point 8362 8363 // Add the new setting to mSettings 8364 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8365 // Add the new setting to mPackages 8366 mPackages.put(pkg.applicationInfo.packageName, pkg); 8367 // Make sure we don't accidentally delete its data. 8368 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8369 while (iter.hasNext()) { 8370 PackageCleanItem item = iter.next(); 8371 if (pkgName.equals(item.packageName)) { 8372 iter.remove(); 8373 } 8374 } 8375 8376 // Take care of first install / last update times. 8377 if (currentTime != 0) { 8378 if (pkgSetting.firstInstallTime == 0) { 8379 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8380 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8381 pkgSetting.lastUpdateTime = currentTime; 8382 } 8383 } else if (pkgSetting.firstInstallTime == 0) { 8384 // We need *something*. Take time time stamp of the file. 8385 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8386 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8387 if (scanFileTime != pkgSetting.timeStamp) { 8388 // A package on the system image has changed; consider this 8389 // to be an update. 8390 pkgSetting.lastUpdateTime = scanFileTime; 8391 } 8392 } 8393 8394 // Add the package's KeySets to the global KeySetManagerService 8395 ksms.addScannedPackageLPw(pkg); 8396 8397 int N = pkg.providers.size(); 8398 StringBuilder r = null; 8399 int i; 8400 for (i=0; i<N; i++) { 8401 PackageParser.Provider p = pkg.providers.get(i); 8402 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8403 p.info.processName, pkg.applicationInfo.uid); 8404 mProviders.addProvider(p); 8405 p.syncable = p.info.isSyncable; 8406 if (p.info.authority != null) { 8407 String names[] = p.info.authority.split(";"); 8408 p.info.authority = null; 8409 for (int j = 0; j < names.length; j++) { 8410 if (j == 1 && p.syncable) { 8411 // We only want the first authority for a provider to possibly be 8412 // syncable, so if we already added this provider using a different 8413 // authority clear the syncable flag. We copy the provider before 8414 // changing it because the mProviders object contains a reference 8415 // to a provider that we don't want to change. 8416 // Only do this for the second authority since the resulting provider 8417 // object can be the same for all future authorities for this provider. 8418 p = new PackageParser.Provider(p); 8419 p.syncable = false; 8420 } 8421 if (!mProvidersByAuthority.containsKey(names[j])) { 8422 mProvidersByAuthority.put(names[j], p); 8423 if (p.info.authority == null) { 8424 p.info.authority = names[j]; 8425 } else { 8426 p.info.authority = p.info.authority + ";" + names[j]; 8427 } 8428 if (DEBUG_PACKAGE_SCANNING) { 8429 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8430 Log.d(TAG, "Registered content provider: " + names[j] 8431 + ", className = " + p.info.name + ", isSyncable = " 8432 + p.info.isSyncable); 8433 } 8434 } else { 8435 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8436 Slog.w(TAG, "Skipping provider name " + names[j] + 8437 " (in package " + pkg.applicationInfo.packageName + 8438 "): name already used by " 8439 + ((other != null && other.getComponentName() != null) 8440 ? other.getComponentName().getPackageName() : "?")); 8441 } 8442 } 8443 } 8444 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8445 if (r == null) { 8446 r = new StringBuilder(256); 8447 } else { 8448 r.append(' '); 8449 } 8450 r.append(p.info.name); 8451 } 8452 } 8453 if (r != null) { 8454 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8455 } 8456 8457 N = pkg.services.size(); 8458 r = null; 8459 for (i=0; i<N; i++) { 8460 PackageParser.Service s = pkg.services.get(i); 8461 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8462 s.info.processName, pkg.applicationInfo.uid); 8463 mServices.addService(s); 8464 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8465 if (r == null) { 8466 r = new StringBuilder(256); 8467 } else { 8468 r.append(' '); 8469 } 8470 r.append(s.info.name); 8471 } 8472 } 8473 if (r != null) { 8474 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8475 } 8476 8477 N = pkg.receivers.size(); 8478 r = null; 8479 for (i=0; i<N; i++) { 8480 PackageParser.Activity a = pkg.receivers.get(i); 8481 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8482 a.info.processName, pkg.applicationInfo.uid); 8483 mReceivers.addActivity(a, "receiver"); 8484 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8485 if (r == null) { 8486 r = new StringBuilder(256); 8487 } else { 8488 r.append(' '); 8489 } 8490 r.append(a.info.name); 8491 } 8492 } 8493 if (r != null) { 8494 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8495 } 8496 8497 N = pkg.activities.size(); 8498 r = null; 8499 for (i=0; i<N; i++) { 8500 PackageParser.Activity a = pkg.activities.get(i); 8501 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8502 a.info.processName, pkg.applicationInfo.uid); 8503 mActivities.addActivity(a, "activity"); 8504 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8505 if (r == null) { 8506 r = new StringBuilder(256); 8507 } else { 8508 r.append(' '); 8509 } 8510 r.append(a.info.name); 8511 } 8512 } 8513 if (r != null) { 8514 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8515 } 8516 8517 N = pkg.permissionGroups.size(); 8518 r = null; 8519 for (i=0; i<N; i++) { 8520 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8521 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8522 if (cur == null) { 8523 mPermissionGroups.put(pg.info.name, pg); 8524 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8525 if (r == null) { 8526 r = new StringBuilder(256); 8527 } else { 8528 r.append(' '); 8529 } 8530 r.append(pg.info.name); 8531 } 8532 } else { 8533 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8534 + pg.info.packageName + " ignored: original from " 8535 + cur.info.packageName); 8536 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8537 if (r == null) { 8538 r = new StringBuilder(256); 8539 } else { 8540 r.append(' '); 8541 } 8542 r.append("DUP:"); 8543 r.append(pg.info.name); 8544 } 8545 } 8546 } 8547 if (r != null) { 8548 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8549 } 8550 8551 N = pkg.permissions.size(); 8552 r = null; 8553 for (i=0; i<N; i++) { 8554 PackageParser.Permission p = pkg.permissions.get(i); 8555 8556 // Assume by default that we did not install this permission into the system. 8557 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8558 8559 // Now that permission groups have a special meaning, we ignore permission 8560 // groups for legacy apps to prevent unexpected behavior. In particular, 8561 // permissions for one app being granted to someone just becase they happen 8562 // to be in a group defined by another app (before this had no implications). 8563 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8564 p.group = mPermissionGroups.get(p.info.group); 8565 // Warn for a permission in an unknown group. 8566 if (p.info.group != null && p.group == null) { 8567 Slog.w(TAG, "Permission " + p.info.name + " from package " 8568 + p.info.packageName + " in an unknown group " + p.info.group); 8569 } 8570 } 8571 8572 ArrayMap<String, BasePermission> permissionMap = 8573 p.tree ? mSettings.mPermissionTrees 8574 : mSettings.mPermissions; 8575 BasePermission bp = permissionMap.get(p.info.name); 8576 8577 // Allow system apps to redefine non-system permissions 8578 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8579 final boolean currentOwnerIsSystem = (bp.perm != null 8580 && isSystemApp(bp.perm.owner)); 8581 if (isSystemApp(p.owner)) { 8582 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8583 // It's a built-in permission and no owner, take ownership now 8584 bp.packageSetting = pkgSetting; 8585 bp.perm = p; 8586 bp.uid = pkg.applicationInfo.uid; 8587 bp.sourcePackage = p.info.packageName; 8588 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8589 } else if (!currentOwnerIsSystem) { 8590 String msg = "New decl " + p.owner + " of permission " 8591 + p.info.name + " is system; overriding " + bp.sourcePackage; 8592 reportSettingsProblem(Log.WARN, msg); 8593 bp = null; 8594 } 8595 } 8596 } 8597 8598 if (bp == null) { 8599 bp = new BasePermission(p.info.name, p.info.packageName, 8600 BasePermission.TYPE_NORMAL); 8601 permissionMap.put(p.info.name, bp); 8602 } 8603 8604 if (bp.perm == null) { 8605 if (bp.sourcePackage == null 8606 || bp.sourcePackage.equals(p.info.packageName)) { 8607 BasePermission tree = findPermissionTreeLP(p.info.name); 8608 if (tree == null 8609 || tree.sourcePackage.equals(p.info.packageName)) { 8610 bp.packageSetting = pkgSetting; 8611 bp.perm = p; 8612 bp.uid = pkg.applicationInfo.uid; 8613 bp.sourcePackage = p.info.packageName; 8614 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8615 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8616 if (r == null) { 8617 r = new StringBuilder(256); 8618 } else { 8619 r.append(' '); 8620 } 8621 r.append(p.info.name); 8622 } 8623 } else { 8624 Slog.w(TAG, "Permission " + p.info.name + " from package " 8625 + p.info.packageName + " ignored: base tree " 8626 + tree.name + " is from package " 8627 + tree.sourcePackage); 8628 } 8629 } else { 8630 Slog.w(TAG, "Permission " + p.info.name + " from package " 8631 + p.info.packageName + " ignored: original from " 8632 + bp.sourcePackage); 8633 } 8634 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8635 if (r == null) { 8636 r = new StringBuilder(256); 8637 } else { 8638 r.append(' '); 8639 } 8640 r.append("DUP:"); 8641 r.append(p.info.name); 8642 } 8643 if (bp.perm == p) { 8644 bp.protectionLevel = p.info.protectionLevel; 8645 } 8646 } 8647 8648 if (r != null) { 8649 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8650 } 8651 8652 N = pkg.instrumentation.size(); 8653 r = null; 8654 for (i=0; i<N; i++) { 8655 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8656 a.info.packageName = pkg.applicationInfo.packageName; 8657 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8658 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8659 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8660 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8661 a.info.dataDir = pkg.applicationInfo.dataDir; 8662 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8663 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8664 8665 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8666 // need other information about the application, like the ABI and what not ? 8667 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8668 mInstrumentation.put(a.getComponentName(), a); 8669 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8670 if (r == null) { 8671 r = new StringBuilder(256); 8672 } else { 8673 r.append(' '); 8674 } 8675 r.append(a.info.name); 8676 } 8677 } 8678 if (r != null) { 8679 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8680 } 8681 8682 if (pkg.protectedBroadcasts != null) { 8683 N = pkg.protectedBroadcasts.size(); 8684 for (i=0; i<N; i++) { 8685 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8686 } 8687 } 8688 8689 pkgSetting.setTimeStamp(scanFileTime); 8690 8691 // Create idmap files for pairs of (packages, overlay packages). 8692 // Note: "android", ie framework-res.apk, is handled by native layers. 8693 if (pkg.mOverlayTarget != null) { 8694 // This is an overlay package. 8695 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8696 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8697 mOverlays.put(pkg.mOverlayTarget, 8698 new ArrayMap<String, PackageParser.Package>()); 8699 } 8700 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8701 map.put(pkg.packageName, pkg); 8702 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8703 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8704 createIdmapFailed = true; 8705 } 8706 } 8707 } else if (mOverlays.containsKey(pkg.packageName) && 8708 !pkg.packageName.equals("android")) { 8709 // This is a regular package, with one or more known overlay packages. 8710 createIdmapsForPackageLI(pkg); 8711 } 8712 } 8713 8714 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8715 8716 if (createIdmapFailed) { 8717 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8718 "scanPackageLI failed to createIdmap"); 8719 } 8720 return pkg; 8721 } 8722 8723 /** 8724 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8725 * is derived purely on the basis of the contents of {@code scanFile} and 8726 * {@code cpuAbiOverride}. 8727 * 8728 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8729 */ 8730 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8731 String cpuAbiOverride, boolean extractLibs) 8732 throws PackageManagerException { 8733 // TODO: We can probably be smarter about this stuff. For installed apps, 8734 // we can calculate this information at install time once and for all. For 8735 // system apps, we can probably assume that this information doesn't change 8736 // after the first boot scan. As things stand, we do lots of unnecessary work. 8737 8738 // Give ourselves some initial paths; we'll come back for another 8739 // pass once we've determined ABI below. 8740 setNativeLibraryPaths(pkg); 8741 8742 // We would never need to extract libs for forward-locked and external packages, 8743 // since the container service will do it for us. We shouldn't attempt to 8744 // extract libs from system app when it was not updated. 8745 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8746 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8747 extractLibs = false; 8748 } 8749 8750 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8751 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8752 8753 NativeLibraryHelper.Handle handle = null; 8754 try { 8755 handle = NativeLibraryHelper.Handle.create(pkg); 8756 // TODO(multiArch): This can be null for apps that didn't go through the 8757 // usual installation process. We can calculate it again, like we 8758 // do during install time. 8759 // 8760 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8761 // unnecessary. 8762 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8763 8764 // Null out the abis so that they can be recalculated. 8765 pkg.applicationInfo.primaryCpuAbi = null; 8766 pkg.applicationInfo.secondaryCpuAbi = null; 8767 if (isMultiArch(pkg.applicationInfo)) { 8768 // Warn if we've set an abiOverride for multi-lib packages.. 8769 // By definition, we need to copy both 32 and 64 bit libraries for 8770 // such packages. 8771 if (pkg.cpuAbiOverride != null 8772 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8773 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8774 } 8775 8776 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8777 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8778 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8779 if (extractLibs) { 8780 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8781 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8782 useIsaSpecificSubdirs); 8783 } else { 8784 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8785 } 8786 } 8787 8788 maybeThrowExceptionForMultiArchCopy( 8789 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8790 8791 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8792 if (extractLibs) { 8793 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8794 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8795 useIsaSpecificSubdirs); 8796 } else { 8797 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8798 } 8799 } 8800 8801 maybeThrowExceptionForMultiArchCopy( 8802 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8803 8804 if (abi64 >= 0) { 8805 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8806 } 8807 8808 if (abi32 >= 0) { 8809 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8810 if (abi64 >= 0) { 8811 if (pkg.use32bitAbi) { 8812 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8813 pkg.applicationInfo.primaryCpuAbi = abi; 8814 } else { 8815 pkg.applicationInfo.secondaryCpuAbi = abi; 8816 } 8817 } else { 8818 pkg.applicationInfo.primaryCpuAbi = abi; 8819 } 8820 } 8821 8822 } else { 8823 String[] abiList = (cpuAbiOverride != null) ? 8824 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8825 8826 // Enable gross and lame hacks for apps that are built with old 8827 // SDK tools. We must scan their APKs for renderscript bitcode and 8828 // not launch them if it's present. Don't bother checking on devices 8829 // that don't have 64 bit support. 8830 boolean needsRenderScriptOverride = false; 8831 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8832 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8833 abiList = Build.SUPPORTED_32_BIT_ABIS; 8834 needsRenderScriptOverride = true; 8835 } 8836 8837 final int copyRet; 8838 if (extractLibs) { 8839 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8840 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8841 } else { 8842 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8843 } 8844 8845 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8846 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8847 "Error unpackaging native libs for app, errorCode=" + copyRet); 8848 } 8849 8850 if (copyRet >= 0) { 8851 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8852 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8853 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8854 } else if (needsRenderScriptOverride) { 8855 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8856 } 8857 } 8858 } catch (IOException ioe) { 8859 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8860 } finally { 8861 IoUtils.closeQuietly(handle); 8862 } 8863 8864 // Now that we've calculated the ABIs and determined if it's an internal app, 8865 // we will go ahead and populate the nativeLibraryPath. 8866 setNativeLibraryPaths(pkg); 8867 } 8868 8869 /** 8870 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8871 * i.e, so that all packages can be run inside a single process if required. 8872 * 8873 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8874 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8875 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8876 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8877 * updating a package that belongs to a shared user. 8878 * 8879 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8880 * adds unnecessary complexity. 8881 */ 8882 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8883 PackageParser.Package scannedPackage, boolean bootComplete) { 8884 String requiredInstructionSet = null; 8885 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8886 requiredInstructionSet = VMRuntime.getInstructionSet( 8887 scannedPackage.applicationInfo.primaryCpuAbi); 8888 } 8889 8890 PackageSetting requirer = null; 8891 for (PackageSetting ps : packagesForUser) { 8892 // If packagesForUser contains scannedPackage, we skip it. This will happen 8893 // when scannedPackage is an update of an existing package. Without this check, 8894 // we will never be able to change the ABI of any package belonging to a shared 8895 // user, even if it's compatible with other packages. 8896 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8897 if (ps.primaryCpuAbiString == null) { 8898 continue; 8899 } 8900 8901 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8902 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8903 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8904 // this but there's not much we can do. 8905 String errorMessage = "Instruction set mismatch, " 8906 + ((requirer == null) ? "[caller]" : requirer) 8907 + " requires " + requiredInstructionSet + " whereas " + ps 8908 + " requires " + instructionSet; 8909 Slog.w(TAG, errorMessage); 8910 } 8911 8912 if (requiredInstructionSet == null) { 8913 requiredInstructionSet = instructionSet; 8914 requirer = ps; 8915 } 8916 } 8917 } 8918 8919 if (requiredInstructionSet != null) { 8920 String adjustedAbi; 8921 if (requirer != null) { 8922 // requirer != null implies that either scannedPackage was null or that scannedPackage 8923 // did not require an ABI, in which case we have to adjust scannedPackage to match 8924 // the ABI of the set (which is the same as requirer's ABI) 8925 adjustedAbi = requirer.primaryCpuAbiString; 8926 if (scannedPackage != null) { 8927 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8928 } 8929 } else { 8930 // requirer == null implies that we're updating all ABIs in the set to 8931 // match scannedPackage. 8932 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8933 } 8934 8935 for (PackageSetting ps : packagesForUser) { 8936 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8937 if (ps.primaryCpuAbiString != null) { 8938 continue; 8939 } 8940 8941 ps.primaryCpuAbiString = adjustedAbi; 8942 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8943 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8944 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8945 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8946 + " (requirer=" 8947 + (requirer == null ? "null" : requirer.pkg.packageName) 8948 + ", scannedPackage=" 8949 + (scannedPackage != null ? scannedPackage.packageName : "null") 8950 + ")"); 8951 try { 8952 mInstaller.rmdex(ps.codePathString, 8953 getDexCodeInstructionSet(getPreferredInstructionSet())); 8954 } catch (InstallerException ignored) { 8955 } 8956 } 8957 } 8958 } 8959 } 8960 } 8961 8962 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8963 synchronized (mPackages) { 8964 mResolverReplaced = true; 8965 // Set up information for custom user intent resolution activity. 8966 mResolveActivity.applicationInfo = pkg.applicationInfo; 8967 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8968 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8969 mResolveActivity.processName = pkg.applicationInfo.packageName; 8970 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8971 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8972 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8973 mResolveActivity.theme = 0; 8974 mResolveActivity.exported = true; 8975 mResolveActivity.enabled = true; 8976 mResolveInfo.activityInfo = mResolveActivity; 8977 mResolveInfo.priority = 0; 8978 mResolveInfo.preferredOrder = 0; 8979 mResolveInfo.match = 0; 8980 mResolveComponentName = mCustomResolverComponentName; 8981 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8982 mResolveComponentName); 8983 } 8984 } 8985 8986 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8987 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8988 8989 // Set up information for ephemeral installer activity 8990 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8991 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8992 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8993 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8994 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8995 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8996 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8997 mEphemeralInstallerActivity.theme = 0; 8998 mEphemeralInstallerActivity.exported = true; 8999 mEphemeralInstallerActivity.enabled = true; 9000 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9001 mEphemeralInstallerInfo.priority = 0; 9002 mEphemeralInstallerInfo.preferredOrder = 0; 9003 mEphemeralInstallerInfo.match = 0; 9004 9005 if (DEBUG_EPHEMERAL) { 9006 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9007 } 9008 } 9009 9010 private static String calculateBundledApkRoot(final String codePathString) { 9011 final File codePath = new File(codePathString); 9012 final File codeRoot; 9013 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9014 codeRoot = Environment.getRootDirectory(); 9015 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9016 codeRoot = Environment.getOemDirectory(); 9017 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9018 codeRoot = Environment.getVendorDirectory(); 9019 } else { 9020 // Unrecognized code path; take its top real segment as the apk root: 9021 // e.g. /something/app/blah.apk => /something 9022 try { 9023 File f = codePath.getCanonicalFile(); 9024 File parent = f.getParentFile(); // non-null because codePath is a file 9025 File tmp; 9026 while ((tmp = parent.getParentFile()) != null) { 9027 f = parent; 9028 parent = tmp; 9029 } 9030 codeRoot = f; 9031 Slog.w(TAG, "Unrecognized code path " 9032 + codePath + " - using " + codeRoot); 9033 } catch (IOException e) { 9034 // Can't canonicalize the code path -- shenanigans? 9035 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9036 return Environment.getRootDirectory().getPath(); 9037 } 9038 } 9039 return codeRoot.getPath(); 9040 } 9041 9042 /** 9043 * Derive and set the location of native libraries for the given package, 9044 * which varies depending on where and how the package was installed. 9045 */ 9046 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9047 final ApplicationInfo info = pkg.applicationInfo; 9048 final String codePath = pkg.codePath; 9049 final File codeFile = new File(codePath); 9050 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9051 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9052 9053 info.nativeLibraryRootDir = null; 9054 info.nativeLibraryRootRequiresIsa = false; 9055 info.nativeLibraryDir = null; 9056 info.secondaryNativeLibraryDir = null; 9057 9058 if (isApkFile(codeFile)) { 9059 // Monolithic install 9060 if (bundledApp) { 9061 // If "/system/lib64/apkname" exists, assume that is the per-package 9062 // native library directory to use; otherwise use "/system/lib/apkname". 9063 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9064 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9065 getPrimaryInstructionSet(info)); 9066 9067 // This is a bundled system app so choose the path based on the ABI. 9068 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9069 // is just the default path. 9070 final String apkName = deriveCodePathName(codePath); 9071 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9072 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9073 apkName).getAbsolutePath(); 9074 9075 if (info.secondaryCpuAbi != null) { 9076 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9077 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9078 secondaryLibDir, apkName).getAbsolutePath(); 9079 } 9080 } else if (asecApp) { 9081 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9082 .getAbsolutePath(); 9083 } else { 9084 final String apkName = deriveCodePathName(codePath); 9085 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9086 .getAbsolutePath(); 9087 } 9088 9089 info.nativeLibraryRootRequiresIsa = false; 9090 info.nativeLibraryDir = info.nativeLibraryRootDir; 9091 } else { 9092 // Cluster install 9093 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9094 info.nativeLibraryRootRequiresIsa = true; 9095 9096 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9097 getPrimaryInstructionSet(info)).getAbsolutePath(); 9098 9099 if (info.secondaryCpuAbi != null) { 9100 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9101 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9102 } 9103 } 9104 } 9105 9106 /** 9107 * Calculate the abis and roots for a bundled app. These can uniquely 9108 * be determined from the contents of the system partition, i.e whether 9109 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9110 * of this information, and instead assume that the system was built 9111 * sensibly. 9112 */ 9113 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9114 PackageSetting pkgSetting) { 9115 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9116 9117 // If "/system/lib64/apkname" exists, assume that is the per-package 9118 // native library directory to use; otherwise use "/system/lib/apkname". 9119 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9120 setBundledAppAbi(pkg, apkRoot, apkName); 9121 // pkgSetting might be null during rescan following uninstall of updates 9122 // to a bundled app, so accommodate that possibility. The settings in 9123 // that case will be established later from the parsed package. 9124 // 9125 // If the settings aren't null, sync them up with what we've just derived. 9126 // note that apkRoot isn't stored in the package settings. 9127 if (pkgSetting != null) { 9128 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9129 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9130 } 9131 } 9132 9133 /** 9134 * Deduces the ABI of a bundled app and sets the relevant fields on the 9135 * parsed pkg object. 9136 * 9137 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9138 * under which system libraries are installed. 9139 * @param apkName the name of the installed package. 9140 */ 9141 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9142 final File codeFile = new File(pkg.codePath); 9143 9144 final boolean has64BitLibs; 9145 final boolean has32BitLibs; 9146 if (isApkFile(codeFile)) { 9147 // Monolithic install 9148 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9149 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9150 } else { 9151 // Cluster install 9152 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9153 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9154 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9155 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9156 has64BitLibs = (new File(rootDir, isa)).exists(); 9157 } else { 9158 has64BitLibs = false; 9159 } 9160 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9161 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9162 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9163 has32BitLibs = (new File(rootDir, isa)).exists(); 9164 } else { 9165 has32BitLibs = false; 9166 } 9167 } 9168 9169 if (has64BitLibs && !has32BitLibs) { 9170 // The package has 64 bit libs, but not 32 bit libs. Its primary 9171 // ABI should be 64 bit. We can safely assume here that the bundled 9172 // native libraries correspond to the most preferred ABI in the list. 9173 9174 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9175 pkg.applicationInfo.secondaryCpuAbi = null; 9176 } else if (has32BitLibs && !has64BitLibs) { 9177 // The package has 32 bit libs but not 64 bit libs. Its primary 9178 // ABI should be 32 bit. 9179 9180 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9181 pkg.applicationInfo.secondaryCpuAbi = null; 9182 } else if (has32BitLibs && has64BitLibs) { 9183 // The application has both 64 and 32 bit bundled libraries. We check 9184 // here that the app declares multiArch support, and warn if it doesn't. 9185 // 9186 // We will be lenient here and record both ABIs. The primary will be the 9187 // ABI that's higher on the list, i.e, a device that's configured to prefer 9188 // 64 bit apps will see a 64 bit primary ABI, 9189 9190 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9191 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9192 } 9193 9194 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9195 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9196 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9197 } else { 9198 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9199 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9200 } 9201 } else { 9202 pkg.applicationInfo.primaryCpuAbi = null; 9203 pkg.applicationInfo.secondaryCpuAbi = null; 9204 } 9205 } 9206 9207 private void killApplication(String pkgName, int appId, String reason) { 9208 // Request the ActivityManager to kill the process(only for existing packages) 9209 // so that we do not end up in a confused state while the user is still using the older 9210 // version of the application while the new one gets installed. 9211 final long token = Binder.clearCallingIdentity(); 9212 try { 9213 IActivityManager am = ActivityManagerNative.getDefault(); 9214 if (am != null) { 9215 try { 9216 am.killApplicationWithAppId(pkgName, appId, reason); 9217 } catch (RemoteException e) { 9218 } 9219 } 9220 } finally { 9221 Binder.restoreCallingIdentity(token); 9222 } 9223 } 9224 9225 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9226 // Remove the parent package setting 9227 PackageSetting ps = (PackageSetting) pkg.mExtras; 9228 if (ps != null) { 9229 removePackageLI(ps, chatty); 9230 } 9231 // Remove the child package setting 9232 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9233 for (int i = 0; i < childCount; i++) { 9234 PackageParser.Package childPkg = pkg.childPackages.get(i); 9235 ps = (PackageSetting) childPkg.mExtras; 9236 if (ps != null) { 9237 removePackageLI(ps, chatty); 9238 } 9239 } 9240 } 9241 9242 void removePackageLI(PackageSetting ps, boolean chatty) { 9243 if (DEBUG_INSTALL) { 9244 if (chatty) 9245 Log.d(TAG, "Removing package " + ps.name); 9246 } 9247 9248 // writer 9249 synchronized (mPackages) { 9250 mPackages.remove(ps.name); 9251 final PackageParser.Package pkg = ps.pkg; 9252 if (pkg != null) { 9253 cleanPackageDataStructuresLILPw(pkg, chatty); 9254 } 9255 } 9256 } 9257 9258 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9259 if (DEBUG_INSTALL) { 9260 if (chatty) 9261 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9262 } 9263 9264 // writer 9265 synchronized (mPackages) { 9266 // Remove the parent package 9267 mPackages.remove(pkg.applicationInfo.packageName); 9268 cleanPackageDataStructuresLILPw(pkg, chatty); 9269 9270 // Remove the child packages 9271 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9272 for (int i = 0; i < childCount; i++) { 9273 PackageParser.Package childPkg = pkg.childPackages.get(i); 9274 mPackages.remove(childPkg.applicationInfo.packageName); 9275 cleanPackageDataStructuresLILPw(childPkg, chatty); 9276 } 9277 } 9278 } 9279 9280 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9281 int N = pkg.providers.size(); 9282 StringBuilder r = null; 9283 int i; 9284 for (i=0; i<N; i++) { 9285 PackageParser.Provider p = pkg.providers.get(i); 9286 mProviders.removeProvider(p); 9287 if (p.info.authority == null) { 9288 9289 /* There was another ContentProvider with this authority when 9290 * this app was installed so this authority is null, 9291 * Ignore it as we don't have to unregister the provider. 9292 */ 9293 continue; 9294 } 9295 String names[] = p.info.authority.split(";"); 9296 for (int j = 0; j < names.length; j++) { 9297 if (mProvidersByAuthority.get(names[j]) == p) { 9298 mProvidersByAuthority.remove(names[j]); 9299 if (DEBUG_REMOVE) { 9300 if (chatty) 9301 Log.d(TAG, "Unregistered content provider: " + names[j] 9302 + ", className = " + p.info.name + ", isSyncable = " 9303 + p.info.isSyncable); 9304 } 9305 } 9306 } 9307 if (DEBUG_REMOVE && chatty) { 9308 if (r == null) { 9309 r = new StringBuilder(256); 9310 } else { 9311 r.append(' '); 9312 } 9313 r.append(p.info.name); 9314 } 9315 } 9316 if (r != null) { 9317 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9318 } 9319 9320 N = pkg.services.size(); 9321 r = null; 9322 for (i=0; i<N; i++) { 9323 PackageParser.Service s = pkg.services.get(i); 9324 mServices.removeService(s); 9325 if (chatty) { 9326 if (r == null) { 9327 r = new StringBuilder(256); 9328 } else { 9329 r.append(' '); 9330 } 9331 r.append(s.info.name); 9332 } 9333 } 9334 if (r != null) { 9335 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9336 } 9337 9338 N = pkg.receivers.size(); 9339 r = null; 9340 for (i=0; i<N; i++) { 9341 PackageParser.Activity a = pkg.receivers.get(i); 9342 mReceivers.removeActivity(a, "receiver"); 9343 if (DEBUG_REMOVE && chatty) { 9344 if (r == null) { 9345 r = new StringBuilder(256); 9346 } else { 9347 r.append(' '); 9348 } 9349 r.append(a.info.name); 9350 } 9351 } 9352 if (r != null) { 9353 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9354 } 9355 9356 N = pkg.activities.size(); 9357 r = null; 9358 for (i=0; i<N; i++) { 9359 PackageParser.Activity a = pkg.activities.get(i); 9360 mActivities.removeActivity(a, "activity"); 9361 if (DEBUG_REMOVE && chatty) { 9362 if (r == null) { 9363 r = new StringBuilder(256); 9364 } else { 9365 r.append(' '); 9366 } 9367 r.append(a.info.name); 9368 } 9369 } 9370 if (r != null) { 9371 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9372 } 9373 9374 N = pkg.permissions.size(); 9375 r = null; 9376 for (i=0; i<N; i++) { 9377 PackageParser.Permission p = pkg.permissions.get(i); 9378 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9379 if (bp == null) { 9380 bp = mSettings.mPermissionTrees.get(p.info.name); 9381 } 9382 if (bp != null && bp.perm == p) { 9383 bp.perm = null; 9384 if (DEBUG_REMOVE && chatty) { 9385 if (r == null) { 9386 r = new StringBuilder(256); 9387 } else { 9388 r.append(' '); 9389 } 9390 r.append(p.info.name); 9391 } 9392 } 9393 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9394 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9395 if (appOpPkgs != null) { 9396 appOpPkgs.remove(pkg.packageName); 9397 } 9398 } 9399 } 9400 if (r != null) { 9401 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9402 } 9403 9404 N = pkg.requestedPermissions.size(); 9405 r = null; 9406 for (i=0; i<N; i++) { 9407 String perm = pkg.requestedPermissions.get(i); 9408 BasePermission bp = mSettings.mPermissions.get(perm); 9409 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9410 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9411 if (appOpPkgs != null) { 9412 appOpPkgs.remove(pkg.packageName); 9413 if (appOpPkgs.isEmpty()) { 9414 mAppOpPermissionPackages.remove(perm); 9415 } 9416 } 9417 } 9418 } 9419 if (r != null) { 9420 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9421 } 9422 9423 N = pkg.instrumentation.size(); 9424 r = null; 9425 for (i=0; i<N; i++) { 9426 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9427 mInstrumentation.remove(a.getComponentName()); 9428 if (DEBUG_REMOVE && chatty) { 9429 if (r == null) { 9430 r = new StringBuilder(256); 9431 } else { 9432 r.append(' '); 9433 } 9434 r.append(a.info.name); 9435 } 9436 } 9437 if (r != null) { 9438 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9439 } 9440 9441 r = null; 9442 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9443 // Only system apps can hold shared libraries. 9444 if (pkg.libraryNames != null) { 9445 for (i=0; i<pkg.libraryNames.size(); i++) { 9446 String name = pkg.libraryNames.get(i); 9447 SharedLibraryEntry cur = mSharedLibraries.get(name); 9448 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9449 mSharedLibraries.remove(name); 9450 if (DEBUG_REMOVE && chatty) { 9451 if (r == null) { 9452 r = new StringBuilder(256); 9453 } else { 9454 r.append(' '); 9455 } 9456 r.append(name); 9457 } 9458 } 9459 } 9460 } 9461 } 9462 if (r != null) { 9463 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9464 } 9465 } 9466 9467 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9468 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9469 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9470 return true; 9471 } 9472 } 9473 return false; 9474 } 9475 9476 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9477 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9478 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9479 9480 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9481 // Update the parent permissions 9482 updatePermissionsLPw(pkg.packageName, pkg, flags); 9483 // Update the child permissions 9484 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9485 for (int i = 0; i < childCount; i++) { 9486 PackageParser.Package childPkg = pkg.childPackages.get(i); 9487 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9488 } 9489 } 9490 9491 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9492 int flags) { 9493 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9494 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9495 } 9496 9497 private void updatePermissionsLPw(String changingPkg, 9498 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9499 // Make sure there are no dangling permission trees. 9500 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9501 while (it.hasNext()) { 9502 final BasePermission bp = it.next(); 9503 if (bp.packageSetting == null) { 9504 // We may not yet have parsed the package, so just see if 9505 // we still know about its settings. 9506 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9507 } 9508 if (bp.packageSetting == null) { 9509 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9510 + " from package " + bp.sourcePackage); 9511 it.remove(); 9512 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9513 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9514 Slog.i(TAG, "Removing old permission tree: " + bp.name 9515 + " from package " + bp.sourcePackage); 9516 flags |= UPDATE_PERMISSIONS_ALL; 9517 it.remove(); 9518 } 9519 } 9520 } 9521 9522 // Make sure all dynamic permissions have been assigned to a package, 9523 // and make sure there are no dangling permissions. 9524 it = mSettings.mPermissions.values().iterator(); 9525 while (it.hasNext()) { 9526 final BasePermission bp = it.next(); 9527 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9528 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9529 + bp.name + " pkg=" + bp.sourcePackage 9530 + " info=" + bp.pendingInfo); 9531 if (bp.packageSetting == null && bp.pendingInfo != null) { 9532 final BasePermission tree = findPermissionTreeLP(bp.name); 9533 if (tree != null && tree.perm != null) { 9534 bp.packageSetting = tree.packageSetting; 9535 bp.perm = new PackageParser.Permission(tree.perm.owner, 9536 new PermissionInfo(bp.pendingInfo)); 9537 bp.perm.info.packageName = tree.perm.info.packageName; 9538 bp.perm.info.name = bp.name; 9539 bp.uid = tree.uid; 9540 } 9541 } 9542 } 9543 if (bp.packageSetting == null) { 9544 // We may not yet have parsed the package, so just see if 9545 // we still know about its settings. 9546 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9547 } 9548 if (bp.packageSetting == null) { 9549 Slog.w(TAG, "Removing dangling permission: " + bp.name 9550 + " from package " + bp.sourcePackage); 9551 it.remove(); 9552 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9553 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9554 Slog.i(TAG, "Removing old permission: " + bp.name 9555 + " from package " + bp.sourcePackage); 9556 flags |= UPDATE_PERMISSIONS_ALL; 9557 it.remove(); 9558 } 9559 } 9560 } 9561 9562 // Now update the permissions for all packages, in particular 9563 // replace the granted permissions of the system packages. 9564 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9565 for (PackageParser.Package pkg : mPackages.values()) { 9566 if (pkg != pkgInfo) { 9567 // Only replace for packages on requested volume 9568 final String volumeUuid = getVolumeUuidForPackage(pkg); 9569 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9570 && Objects.equals(replaceVolumeUuid, volumeUuid); 9571 grantPermissionsLPw(pkg, replace, changingPkg); 9572 } 9573 } 9574 } 9575 9576 if (pkgInfo != null) { 9577 // Only replace for packages on requested volume 9578 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9579 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9580 && Objects.equals(replaceVolumeUuid, volumeUuid); 9581 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9582 } 9583 } 9584 9585 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9586 String packageOfInterest) { 9587 // IMPORTANT: There are two types of permissions: install and runtime. 9588 // Install time permissions are granted when the app is installed to 9589 // all device users and users added in the future. Runtime permissions 9590 // are granted at runtime explicitly to specific users. Normal and signature 9591 // protected permissions are install time permissions. Dangerous permissions 9592 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9593 // otherwise they are runtime permissions. This function does not manage 9594 // runtime permissions except for the case an app targeting Lollipop MR1 9595 // being upgraded to target a newer SDK, in which case dangerous permissions 9596 // are transformed from install time to runtime ones. 9597 9598 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9599 if (ps == null) { 9600 return; 9601 } 9602 9603 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9604 9605 PermissionsState permissionsState = ps.getPermissionsState(); 9606 PermissionsState origPermissions = permissionsState; 9607 9608 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9609 9610 boolean runtimePermissionsRevoked = false; 9611 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9612 9613 boolean changedInstallPermission = false; 9614 9615 if (replace) { 9616 ps.installPermissionsFixed = false; 9617 if (!ps.isSharedUser()) { 9618 origPermissions = new PermissionsState(permissionsState); 9619 permissionsState.reset(); 9620 } else { 9621 // We need to know only about runtime permission changes since the 9622 // calling code always writes the install permissions state but 9623 // the runtime ones are written only if changed. The only cases of 9624 // changed runtime permissions here are promotion of an install to 9625 // runtime and revocation of a runtime from a shared user. 9626 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9627 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9628 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9629 runtimePermissionsRevoked = true; 9630 } 9631 } 9632 } 9633 9634 permissionsState.setGlobalGids(mGlobalGids); 9635 9636 final int N = pkg.requestedPermissions.size(); 9637 for (int i=0; i<N; i++) { 9638 final String name = pkg.requestedPermissions.get(i); 9639 final BasePermission bp = mSettings.mPermissions.get(name); 9640 9641 if (DEBUG_INSTALL) { 9642 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9643 } 9644 9645 if (bp == null || bp.packageSetting == null) { 9646 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9647 Slog.w(TAG, "Unknown permission " + name 9648 + " in package " + pkg.packageName); 9649 } 9650 continue; 9651 } 9652 9653 final String perm = bp.name; 9654 boolean allowedSig = false; 9655 int grant = GRANT_DENIED; 9656 9657 // Keep track of app op permissions. 9658 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9659 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9660 if (pkgs == null) { 9661 pkgs = new ArraySet<>(); 9662 mAppOpPermissionPackages.put(bp.name, pkgs); 9663 } 9664 pkgs.add(pkg.packageName); 9665 } 9666 9667 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9668 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9669 >= Build.VERSION_CODES.M; 9670 switch (level) { 9671 case PermissionInfo.PROTECTION_NORMAL: { 9672 // For all apps normal permissions are install time ones. 9673 grant = GRANT_INSTALL; 9674 } break; 9675 9676 case PermissionInfo.PROTECTION_DANGEROUS: { 9677 // If a permission review is required for legacy apps we represent 9678 // their permissions as always granted runtime ones since we need 9679 // to keep the review required permission flag per user while an 9680 // install permission's state is shared across all users. 9681 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9682 // For legacy apps dangerous permissions are install time ones. 9683 grant = GRANT_INSTALL; 9684 } else if (origPermissions.hasInstallPermission(bp.name)) { 9685 // For legacy apps that became modern, install becomes runtime. 9686 grant = GRANT_UPGRADE; 9687 } else if (mPromoteSystemApps 9688 && isSystemApp(ps) 9689 && mExistingSystemPackages.contains(ps.name)) { 9690 // For legacy system apps, install becomes runtime. 9691 // We cannot check hasInstallPermission() for system apps since those 9692 // permissions were granted implicitly and not persisted pre-M. 9693 grant = GRANT_UPGRADE; 9694 } else { 9695 // For modern apps keep runtime permissions unchanged. 9696 grant = GRANT_RUNTIME; 9697 } 9698 } break; 9699 9700 case PermissionInfo.PROTECTION_SIGNATURE: { 9701 // For all apps signature permissions are install time ones. 9702 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9703 if (allowedSig) { 9704 grant = GRANT_INSTALL; 9705 } 9706 } break; 9707 } 9708 9709 if (DEBUG_INSTALL) { 9710 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9711 } 9712 9713 if (grant != GRANT_DENIED) { 9714 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9715 // If this is an existing, non-system package, then 9716 // we can't add any new permissions to it. 9717 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9718 // Except... if this is a permission that was added 9719 // to the platform (note: need to only do this when 9720 // updating the platform). 9721 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9722 grant = GRANT_DENIED; 9723 } 9724 } 9725 } 9726 9727 switch (grant) { 9728 case GRANT_INSTALL: { 9729 // Revoke this as runtime permission to handle the case of 9730 // a runtime permission being downgraded to an install one. 9731 // Also in permission review mode we keep dangerous permissions 9732 // for legacy apps 9733 for (int userId : UserManagerService.getInstance().getUserIds()) { 9734 if (origPermissions.getRuntimePermissionState( 9735 bp.name, userId) != null) { 9736 // Revoke the runtime permission and clear the flags. 9737 origPermissions.revokeRuntimePermission(bp, userId); 9738 origPermissions.updatePermissionFlags(bp, userId, 9739 PackageManager.MASK_PERMISSION_FLAGS, 0); 9740 // If we revoked a permission permission, we have to write. 9741 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9742 changedRuntimePermissionUserIds, userId); 9743 } 9744 } 9745 // Grant an install permission. 9746 if (permissionsState.grantInstallPermission(bp) != 9747 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9748 changedInstallPermission = true; 9749 } 9750 } break; 9751 9752 case GRANT_RUNTIME: { 9753 // Grant previously granted runtime permissions. 9754 for (int userId : UserManagerService.getInstance().getUserIds()) { 9755 PermissionState permissionState = origPermissions 9756 .getRuntimePermissionState(bp.name, userId); 9757 int flags = permissionState != null 9758 ? permissionState.getFlags() : 0; 9759 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9760 if (permissionsState.grantRuntimePermission(bp, userId) == 9761 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9762 // If we cannot put the permission as it was, we have to write. 9763 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9764 changedRuntimePermissionUserIds, userId); 9765 } 9766 // If the app supports runtime permissions no need for a review. 9767 if (Build.PERMISSIONS_REVIEW_REQUIRED 9768 && appSupportsRuntimePermissions 9769 && (flags & PackageManager 9770 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9771 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9772 // Since we changed the flags, we have to write. 9773 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9774 changedRuntimePermissionUserIds, userId); 9775 } 9776 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9777 && !appSupportsRuntimePermissions) { 9778 // For legacy apps that need a permission review, every new 9779 // runtime permission is granted but it is pending a review. 9780 // We also need to review only platform defined runtime 9781 // permissions as these are the only ones the platform knows 9782 // how to disable the API to simulate revocation as legacy 9783 // apps don't expect to run with revoked permissions. 9784 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9785 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9786 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9787 // We changed the flags, hence have to write. 9788 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9789 changedRuntimePermissionUserIds, userId); 9790 } 9791 } 9792 if (permissionsState.grantRuntimePermission(bp, userId) 9793 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9794 // We changed the permission, hence have to write. 9795 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9796 changedRuntimePermissionUserIds, userId); 9797 } 9798 } 9799 // Propagate the permission flags. 9800 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9801 } 9802 } break; 9803 9804 case GRANT_UPGRADE: { 9805 // Grant runtime permissions for a previously held install permission. 9806 PermissionState permissionState = origPermissions 9807 .getInstallPermissionState(bp.name); 9808 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9809 9810 if (origPermissions.revokeInstallPermission(bp) 9811 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9812 // We will be transferring the permission flags, so clear them. 9813 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9814 PackageManager.MASK_PERMISSION_FLAGS, 0); 9815 changedInstallPermission = true; 9816 } 9817 9818 // If the permission is not to be promoted to runtime we ignore it and 9819 // also its other flags as they are not applicable to install permissions. 9820 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9821 for (int userId : currentUserIds) { 9822 if (permissionsState.grantRuntimePermission(bp, userId) != 9823 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9824 // Transfer the permission flags. 9825 permissionsState.updatePermissionFlags(bp, userId, 9826 flags, flags); 9827 // If we granted the permission, we have to write. 9828 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9829 changedRuntimePermissionUserIds, userId); 9830 } 9831 } 9832 } 9833 } break; 9834 9835 default: { 9836 if (packageOfInterest == null 9837 || packageOfInterest.equals(pkg.packageName)) { 9838 Slog.w(TAG, "Not granting permission " + perm 9839 + " to package " + pkg.packageName 9840 + " because it was previously installed without"); 9841 } 9842 } break; 9843 } 9844 } else { 9845 if (permissionsState.revokeInstallPermission(bp) != 9846 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9847 // Also drop the permission flags. 9848 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9849 PackageManager.MASK_PERMISSION_FLAGS, 0); 9850 changedInstallPermission = true; 9851 Slog.i(TAG, "Un-granting permission " + perm 9852 + " from package " + pkg.packageName 9853 + " (protectionLevel=" + bp.protectionLevel 9854 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9855 + ")"); 9856 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9857 // Don't print warning for app op permissions, since it is fine for them 9858 // not to be granted, there is a UI for the user to decide. 9859 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9860 Slog.w(TAG, "Not granting permission " + perm 9861 + " to package " + pkg.packageName 9862 + " (protectionLevel=" + bp.protectionLevel 9863 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9864 + ")"); 9865 } 9866 } 9867 } 9868 } 9869 9870 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9871 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9872 // This is the first that we have heard about this package, so the 9873 // permissions we have now selected are fixed until explicitly 9874 // changed. 9875 ps.installPermissionsFixed = true; 9876 } 9877 9878 // Persist the runtime permissions state for users with changes. If permissions 9879 // were revoked because no app in the shared user declares them we have to 9880 // write synchronously to avoid losing runtime permissions state. 9881 for (int userId : changedRuntimePermissionUserIds) { 9882 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9883 } 9884 9885 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9886 } 9887 9888 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9889 boolean allowed = false; 9890 final int NP = PackageParser.NEW_PERMISSIONS.length; 9891 for (int ip=0; ip<NP; ip++) { 9892 final PackageParser.NewPermissionInfo npi 9893 = PackageParser.NEW_PERMISSIONS[ip]; 9894 if (npi.name.equals(perm) 9895 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9896 allowed = true; 9897 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9898 + pkg.packageName); 9899 break; 9900 } 9901 } 9902 return allowed; 9903 } 9904 9905 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9906 BasePermission bp, PermissionsState origPermissions) { 9907 boolean allowed; 9908 allowed = (compareSignatures( 9909 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9910 == PackageManager.SIGNATURE_MATCH) 9911 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9912 == PackageManager.SIGNATURE_MATCH); 9913 if (!allowed && (bp.protectionLevel 9914 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9915 if (isSystemApp(pkg)) { 9916 // For updated system applications, a system permission 9917 // is granted only if it had been defined by the original application. 9918 if (pkg.isUpdatedSystemApp()) { 9919 final PackageSetting sysPs = mSettings 9920 .getDisabledSystemPkgLPr(pkg.packageName); 9921 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9922 // If the original was granted this permission, we take 9923 // that grant decision as read and propagate it to the 9924 // update. 9925 if (sysPs.isPrivileged()) { 9926 allowed = true; 9927 } 9928 } else { 9929 // The system apk may have been updated with an older 9930 // version of the one on the data partition, but which 9931 // granted a new system permission that it didn't have 9932 // before. In this case we do want to allow the app to 9933 // now get the new permission if the ancestral apk is 9934 // privileged to get it. 9935 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9936 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9937 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9938 allowed = true; 9939 break; 9940 } 9941 } 9942 } 9943 // Also if a privileged parent package on the system image or any of 9944 // its children requested a privileged permission, the updated child 9945 // packages can also get the permission. 9946 if (pkg.parentPackage != null) { 9947 final PackageSetting disabledSysParentPs = mSettings 9948 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9949 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9950 && disabledSysParentPs.isPrivileged()) { 9951 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9952 allowed = true; 9953 } else if (disabledSysParentPs.pkg.childPackages != null) { 9954 final int count = disabledSysParentPs.pkg.childPackages.size(); 9955 for (int i = 0; i < count; i++) { 9956 PackageParser.Package disabledSysChildPkg = 9957 disabledSysParentPs.pkg.childPackages.get(i); 9958 if (isPackageRequestingPermission(disabledSysChildPkg, 9959 perm)) { 9960 allowed = true; 9961 break; 9962 } 9963 } 9964 } 9965 } 9966 } 9967 } 9968 } else { 9969 allowed = isPrivilegedApp(pkg); 9970 } 9971 } 9972 } 9973 if (!allowed) { 9974 if (!allowed && (bp.protectionLevel 9975 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9976 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9977 // If this was a previously normal/dangerous permission that got moved 9978 // to a system permission as part of the runtime permission redesign, then 9979 // we still want to blindly grant it to old apps. 9980 allowed = true; 9981 } 9982 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9983 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9984 // If this permission is to be granted to the system installer and 9985 // this app is an installer, then it gets the permission. 9986 allowed = true; 9987 } 9988 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9989 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9990 // If this permission is to be granted to the system verifier and 9991 // this app is a verifier, then it gets the permission. 9992 allowed = true; 9993 } 9994 if (!allowed && (bp.protectionLevel 9995 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9996 && isSystemApp(pkg)) { 9997 // Any pre-installed system app is allowed to get this permission. 9998 allowed = true; 9999 } 10000 if (!allowed && (bp.protectionLevel 10001 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10002 // For development permissions, a development permission 10003 // is granted only if it was already granted. 10004 allowed = origPermissions.hasInstallPermission(perm); 10005 } 10006 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10007 && pkg.packageName.equals(mSetupWizardPackage)) { 10008 // If this permission is to be granted to the system setup wizard and 10009 // this app is a setup wizard, then it gets the permission. 10010 allowed = true; 10011 } 10012 } 10013 return allowed; 10014 } 10015 10016 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10017 final int permCount = pkg.requestedPermissions.size(); 10018 for (int j = 0; j < permCount; j++) { 10019 String requestedPermission = pkg.requestedPermissions.get(j); 10020 if (permission.equals(requestedPermission)) { 10021 return true; 10022 } 10023 } 10024 return false; 10025 } 10026 10027 final class ActivityIntentResolver 10028 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10029 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10030 boolean defaultOnly, int userId) { 10031 if (!sUserManager.exists(userId)) return null; 10032 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10033 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10034 } 10035 10036 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10037 int userId) { 10038 if (!sUserManager.exists(userId)) return null; 10039 mFlags = flags; 10040 return super.queryIntent(intent, resolvedType, 10041 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10042 } 10043 10044 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10045 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10046 if (!sUserManager.exists(userId)) return null; 10047 if (packageActivities == null) { 10048 return null; 10049 } 10050 mFlags = flags; 10051 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10052 final int N = packageActivities.size(); 10053 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10054 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10055 10056 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10057 for (int i = 0; i < N; ++i) { 10058 intentFilters = packageActivities.get(i).intents; 10059 if (intentFilters != null && intentFilters.size() > 0) { 10060 PackageParser.ActivityIntentInfo[] array = 10061 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10062 intentFilters.toArray(array); 10063 listCut.add(array); 10064 } 10065 } 10066 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10067 } 10068 10069 /** 10070 * Finds a privileged activity that matches the specified activity names. 10071 */ 10072 private PackageParser.Activity findMatchingActivity( 10073 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10074 for (PackageParser.Activity sysActivity : activityList) { 10075 if (sysActivity.info.name.equals(activityInfo.name)) { 10076 return sysActivity; 10077 } 10078 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10079 return sysActivity; 10080 } 10081 if (sysActivity.info.targetActivity != null) { 10082 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10083 return sysActivity; 10084 } 10085 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10086 return sysActivity; 10087 } 10088 } 10089 } 10090 return null; 10091 } 10092 10093 public class IterGenerator<E> { 10094 public Iterator<E> generate(ActivityIntentInfo info) { 10095 return null; 10096 } 10097 } 10098 10099 public class ActionIterGenerator extends IterGenerator<String> { 10100 @Override 10101 public Iterator<String> generate(ActivityIntentInfo info) { 10102 return info.actionsIterator(); 10103 } 10104 } 10105 10106 public class CategoriesIterGenerator extends IterGenerator<String> { 10107 @Override 10108 public Iterator<String> generate(ActivityIntentInfo info) { 10109 return info.categoriesIterator(); 10110 } 10111 } 10112 10113 public class SchemesIterGenerator extends IterGenerator<String> { 10114 @Override 10115 public Iterator<String> generate(ActivityIntentInfo info) { 10116 return info.schemesIterator(); 10117 } 10118 } 10119 10120 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10121 @Override 10122 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10123 return info.authoritiesIterator(); 10124 } 10125 } 10126 10127 /** 10128 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10129 * MODIFIED. Do not pass in a list that should not be changed. 10130 */ 10131 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10132 IterGenerator<T> generator, Iterator<T> searchIterator) { 10133 // loop through the set of actions; every one must be found in the intent filter 10134 while (searchIterator.hasNext()) { 10135 // we must have at least one filter in the list to consider a match 10136 if (intentList.size() == 0) { 10137 break; 10138 } 10139 10140 final T searchAction = searchIterator.next(); 10141 10142 // loop through the set of intent filters 10143 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10144 while (intentIter.hasNext()) { 10145 final ActivityIntentInfo intentInfo = intentIter.next(); 10146 boolean selectionFound = false; 10147 10148 // loop through the intent filter's selection criteria; at least one 10149 // of them must match the searched criteria 10150 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10151 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10152 final T intentSelection = intentSelectionIter.next(); 10153 if (intentSelection != null && intentSelection.equals(searchAction)) { 10154 selectionFound = true; 10155 break; 10156 } 10157 } 10158 10159 // the selection criteria wasn't found in this filter's set; this filter 10160 // is not a potential match 10161 if (!selectionFound) { 10162 intentIter.remove(); 10163 } 10164 } 10165 } 10166 } 10167 10168 private boolean isProtectedAction(ActivityIntentInfo filter) { 10169 final Iterator<String> actionsIter = filter.actionsIterator(); 10170 while (actionsIter != null && actionsIter.hasNext()) { 10171 final String filterAction = actionsIter.next(); 10172 if (PROTECTED_ACTIONS.contains(filterAction)) { 10173 return true; 10174 } 10175 } 10176 return false; 10177 } 10178 10179 /** 10180 * Adjusts the priority of the given intent filter according to policy. 10181 * <p> 10182 * <ul> 10183 * <li>The priority for non privileged applications is capped to '0'</li> 10184 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10185 * <li>The priority for unbundled updates to privileged applications is capped to the 10186 * priority defined on the system partition</li> 10187 * </ul> 10188 * <p> 10189 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10190 * allowed to obtain any priority on any action. 10191 */ 10192 private void adjustPriority( 10193 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10194 // nothing to do; priority is fine as-is 10195 if (intent.getPriority() <= 0) { 10196 return; 10197 } 10198 10199 final ActivityInfo activityInfo = intent.activity.info; 10200 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10201 10202 final boolean privilegedApp = 10203 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10204 if (!privilegedApp) { 10205 // non-privileged applications can never define a priority >0 10206 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10207 + " package: " + applicationInfo.packageName 10208 + " activity: " + intent.activity.className 10209 + " origPrio: " + intent.getPriority()); 10210 intent.setPriority(0); 10211 return; 10212 } 10213 10214 if (systemActivities == null) { 10215 // the system package is not disabled; we're parsing the system partition 10216 if (isProtectedAction(intent)) { 10217 if (mDeferProtectedFilters) { 10218 // We can't deal with these just yet. No component should ever obtain a 10219 // >0 priority for a protected actions, with ONE exception -- the setup 10220 // wizard. The setup wizard, however, cannot be known until we're able to 10221 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10222 // until all intent filters have been processed. Chicken, meet egg. 10223 // Let the filter temporarily have a high priority and rectify the 10224 // priorities after all system packages have been scanned. 10225 mProtectedFilters.add(intent); 10226 if (DEBUG_FILTERS) { 10227 Slog.i(TAG, "Protected action; save for later;" 10228 + " package: " + applicationInfo.packageName 10229 + " activity: " + intent.activity.className 10230 + " origPrio: " + intent.getPriority()); 10231 } 10232 return; 10233 } else { 10234 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10235 Slog.i(TAG, "No setup wizard;" 10236 + " All protected intents capped to priority 0"); 10237 } 10238 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10239 if (DEBUG_FILTERS) { 10240 Slog.i(TAG, "Found setup wizard;" 10241 + " allow priority " + intent.getPriority() + ";" 10242 + " package: " + intent.activity.info.packageName 10243 + " activity: " + intent.activity.className 10244 + " priority: " + intent.getPriority()); 10245 } 10246 // setup wizard gets whatever it wants 10247 return; 10248 } 10249 Slog.w(TAG, "Protected action; cap priority to 0;" 10250 + " package: " + intent.activity.info.packageName 10251 + " activity: " + intent.activity.className 10252 + " origPrio: " + intent.getPriority()); 10253 intent.setPriority(0); 10254 return; 10255 } 10256 } 10257 // privileged apps on the system image get whatever priority they request 10258 return; 10259 } 10260 10261 // privileged app unbundled update ... try to find the same activity 10262 final PackageParser.Activity foundActivity = 10263 findMatchingActivity(systemActivities, activityInfo); 10264 if (foundActivity == null) { 10265 // this is a new activity; it cannot obtain >0 priority 10266 if (DEBUG_FILTERS) { 10267 Slog.i(TAG, "New activity; cap priority to 0;" 10268 + " package: " + applicationInfo.packageName 10269 + " activity: " + intent.activity.className 10270 + " origPrio: " + intent.getPriority()); 10271 } 10272 intent.setPriority(0); 10273 return; 10274 } 10275 10276 // found activity, now check for filter equivalence 10277 10278 // a shallow copy is enough; we modify the list, not its contents 10279 final List<ActivityIntentInfo> intentListCopy = 10280 new ArrayList<>(foundActivity.intents); 10281 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10282 10283 // find matching action subsets 10284 final Iterator<String> actionsIterator = intent.actionsIterator(); 10285 if (actionsIterator != null) { 10286 getIntentListSubset( 10287 intentListCopy, new ActionIterGenerator(), actionsIterator); 10288 if (intentListCopy.size() == 0) { 10289 // no more intents to match; we're not equivalent 10290 if (DEBUG_FILTERS) { 10291 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10292 + " package: " + applicationInfo.packageName 10293 + " activity: " + intent.activity.className 10294 + " origPrio: " + intent.getPriority()); 10295 } 10296 intent.setPriority(0); 10297 return; 10298 } 10299 } 10300 10301 // find matching category subsets 10302 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10303 if (categoriesIterator != null) { 10304 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10305 categoriesIterator); 10306 if (intentListCopy.size() == 0) { 10307 // no more intents to match; we're not equivalent 10308 if (DEBUG_FILTERS) { 10309 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10310 + " package: " + applicationInfo.packageName 10311 + " activity: " + intent.activity.className 10312 + " origPrio: " + intent.getPriority()); 10313 } 10314 intent.setPriority(0); 10315 return; 10316 } 10317 } 10318 10319 // find matching schemes subsets 10320 final Iterator<String> schemesIterator = intent.schemesIterator(); 10321 if (schemesIterator != null) { 10322 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10323 schemesIterator); 10324 if (intentListCopy.size() == 0) { 10325 // no more intents to match; we're not equivalent 10326 if (DEBUG_FILTERS) { 10327 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10328 + " package: " + applicationInfo.packageName 10329 + " activity: " + intent.activity.className 10330 + " origPrio: " + intent.getPriority()); 10331 } 10332 intent.setPriority(0); 10333 return; 10334 } 10335 } 10336 10337 // find matching authorities subsets 10338 final Iterator<IntentFilter.AuthorityEntry> 10339 authoritiesIterator = intent.authoritiesIterator(); 10340 if (authoritiesIterator != null) { 10341 getIntentListSubset(intentListCopy, 10342 new AuthoritiesIterGenerator(), 10343 authoritiesIterator); 10344 if (intentListCopy.size() == 0) { 10345 // no more intents to match; we're not equivalent 10346 if (DEBUG_FILTERS) { 10347 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10348 + " package: " + applicationInfo.packageName 10349 + " activity: " + intent.activity.className 10350 + " origPrio: " + intent.getPriority()); 10351 } 10352 intent.setPriority(0); 10353 return; 10354 } 10355 } 10356 10357 // we found matching filter(s); app gets the max priority of all intents 10358 int cappedPriority = 0; 10359 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10360 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10361 } 10362 if (intent.getPriority() > cappedPriority) { 10363 if (DEBUG_FILTERS) { 10364 Slog.i(TAG, "Found matching filter(s);" 10365 + " cap priority to " + cappedPriority + ";" 10366 + " package: " + applicationInfo.packageName 10367 + " activity: " + intent.activity.className 10368 + " origPrio: " + intent.getPriority()); 10369 } 10370 intent.setPriority(cappedPriority); 10371 return; 10372 } 10373 // all this for nothing; the requested priority was <= what was on the system 10374 } 10375 10376 public final void addActivity(PackageParser.Activity a, String type) { 10377 mActivities.put(a.getComponentName(), a); 10378 if (DEBUG_SHOW_INFO) 10379 Log.v( 10380 TAG, " " + type + " " + 10381 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10382 if (DEBUG_SHOW_INFO) 10383 Log.v(TAG, " Class=" + a.info.name); 10384 final int NI = a.intents.size(); 10385 for (int j=0; j<NI; j++) { 10386 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10387 if ("activity".equals(type)) { 10388 final PackageSetting ps = 10389 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10390 final List<PackageParser.Activity> systemActivities = 10391 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10392 adjustPriority(systemActivities, intent); 10393 } 10394 if (DEBUG_SHOW_INFO) { 10395 Log.v(TAG, " IntentFilter:"); 10396 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10397 } 10398 if (!intent.debugCheck()) { 10399 Log.w(TAG, "==> For Activity " + a.info.name); 10400 } 10401 addFilter(intent); 10402 } 10403 } 10404 10405 public final void removeActivity(PackageParser.Activity a, String type) { 10406 mActivities.remove(a.getComponentName()); 10407 if (DEBUG_SHOW_INFO) { 10408 Log.v(TAG, " " + type + " " 10409 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10410 : a.info.name) + ":"); 10411 Log.v(TAG, " Class=" + a.info.name); 10412 } 10413 final int NI = a.intents.size(); 10414 for (int j=0; j<NI; j++) { 10415 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10416 if (DEBUG_SHOW_INFO) { 10417 Log.v(TAG, " IntentFilter:"); 10418 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10419 } 10420 removeFilter(intent); 10421 } 10422 } 10423 10424 @Override 10425 protected boolean allowFilterResult( 10426 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10427 ActivityInfo filterAi = filter.activity.info; 10428 for (int i=dest.size()-1; i>=0; i--) { 10429 ActivityInfo destAi = dest.get(i).activityInfo; 10430 if (destAi.name == filterAi.name 10431 && destAi.packageName == filterAi.packageName) { 10432 return false; 10433 } 10434 } 10435 return true; 10436 } 10437 10438 @Override 10439 protected ActivityIntentInfo[] newArray(int size) { 10440 return new ActivityIntentInfo[size]; 10441 } 10442 10443 @Override 10444 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10445 if (!sUserManager.exists(userId)) return true; 10446 PackageParser.Package p = filter.activity.owner; 10447 if (p != null) { 10448 PackageSetting ps = (PackageSetting)p.mExtras; 10449 if (ps != null) { 10450 // System apps are never considered stopped for purposes of 10451 // filtering, because there may be no way for the user to 10452 // actually re-launch them. 10453 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10454 && ps.getStopped(userId); 10455 } 10456 } 10457 return false; 10458 } 10459 10460 @Override 10461 protected boolean isPackageForFilter(String packageName, 10462 PackageParser.ActivityIntentInfo info) { 10463 return packageName.equals(info.activity.owner.packageName); 10464 } 10465 10466 @Override 10467 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10468 int match, int userId) { 10469 if (!sUserManager.exists(userId)) return null; 10470 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10471 return null; 10472 } 10473 final PackageParser.Activity activity = info.activity; 10474 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10475 if (ps == null) { 10476 return null; 10477 } 10478 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10479 ps.readUserState(userId), userId); 10480 if (ai == null) { 10481 return null; 10482 } 10483 final ResolveInfo res = new ResolveInfo(); 10484 res.activityInfo = ai; 10485 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10486 res.filter = info; 10487 } 10488 if (info != null) { 10489 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10490 } 10491 res.priority = info.getPriority(); 10492 res.preferredOrder = activity.owner.mPreferredOrder; 10493 //System.out.println("Result: " + res.activityInfo.className + 10494 // " = " + res.priority); 10495 res.match = match; 10496 res.isDefault = info.hasDefault; 10497 res.labelRes = info.labelRes; 10498 res.nonLocalizedLabel = info.nonLocalizedLabel; 10499 if (userNeedsBadging(userId)) { 10500 res.noResourceId = true; 10501 } else { 10502 res.icon = info.icon; 10503 } 10504 res.iconResourceId = info.icon; 10505 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10506 return res; 10507 } 10508 10509 @Override 10510 protected void sortResults(List<ResolveInfo> results) { 10511 Collections.sort(results, mResolvePrioritySorter); 10512 } 10513 10514 @Override 10515 protected void dumpFilter(PrintWriter out, String prefix, 10516 PackageParser.ActivityIntentInfo filter) { 10517 out.print(prefix); out.print( 10518 Integer.toHexString(System.identityHashCode(filter.activity))); 10519 out.print(' '); 10520 filter.activity.printComponentShortName(out); 10521 out.print(" filter "); 10522 out.println(Integer.toHexString(System.identityHashCode(filter))); 10523 } 10524 10525 @Override 10526 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10527 return filter.activity; 10528 } 10529 10530 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10531 PackageParser.Activity activity = (PackageParser.Activity)label; 10532 out.print(prefix); out.print( 10533 Integer.toHexString(System.identityHashCode(activity))); 10534 out.print(' '); 10535 activity.printComponentShortName(out); 10536 if (count > 1) { 10537 out.print(" ("); out.print(count); out.print(" filters)"); 10538 } 10539 out.println(); 10540 } 10541 10542 // Keys are String (activity class name), values are Activity. 10543 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10544 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10545 private int mFlags; 10546 } 10547 10548 private final class ServiceIntentResolver 10549 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10550 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10551 boolean defaultOnly, int userId) { 10552 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10553 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10554 } 10555 10556 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10557 int userId) { 10558 if (!sUserManager.exists(userId)) return null; 10559 mFlags = flags; 10560 return super.queryIntent(intent, resolvedType, 10561 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10562 } 10563 10564 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10565 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10566 if (!sUserManager.exists(userId)) return null; 10567 if (packageServices == null) { 10568 return null; 10569 } 10570 mFlags = flags; 10571 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10572 final int N = packageServices.size(); 10573 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10574 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10575 10576 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10577 for (int i = 0; i < N; ++i) { 10578 intentFilters = packageServices.get(i).intents; 10579 if (intentFilters != null && intentFilters.size() > 0) { 10580 PackageParser.ServiceIntentInfo[] array = 10581 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10582 intentFilters.toArray(array); 10583 listCut.add(array); 10584 } 10585 } 10586 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10587 } 10588 10589 public final void addService(PackageParser.Service s) { 10590 mServices.put(s.getComponentName(), s); 10591 if (DEBUG_SHOW_INFO) { 10592 Log.v(TAG, " " 10593 + (s.info.nonLocalizedLabel != null 10594 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10595 Log.v(TAG, " Class=" + s.info.name); 10596 } 10597 final int NI = s.intents.size(); 10598 int j; 10599 for (j=0; j<NI; j++) { 10600 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10601 if (DEBUG_SHOW_INFO) { 10602 Log.v(TAG, " IntentFilter:"); 10603 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10604 } 10605 if (!intent.debugCheck()) { 10606 Log.w(TAG, "==> For Service " + s.info.name); 10607 } 10608 addFilter(intent); 10609 } 10610 } 10611 10612 public final void removeService(PackageParser.Service s) { 10613 mServices.remove(s.getComponentName()); 10614 if (DEBUG_SHOW_INFO) { 10615 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10616 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10617 Log.v(TAG, " Class=" + s.info.name); 10618 } 10619 final int NI = s.intents.size(); 10620 int j; 10621 for (j=0; j<NI; j++) { 10622 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10623 if (DEBUG_SHOW_INFO) { 10624 Log.v(TAG, " IntentFilter:"); 10625 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10626 } 10627 removeFilter(intent); 10628 } 10629 } 10630 10631 @Override 10632 protected boolean allowFilterResult( 10633 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10634 ServiceInfo filterSi = filter.service.info; 10635 for (int i=dest.size()-1; i>=0; i--) { 10636 ServiceInfo destAi = dest.get(i).serviceInfo; 10637 if (destAi.name == filterSi.name 10638 && destAi.packageName == filterSi.packageName) { 10639 return false; 10640 } 10641 } 10642 return true; 10643 } 10644 10645 @Override 10646 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10647 return new PackageParser.ServiceIntentInfo[size]; 10648 } 10649 10650 @Override 10651 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10652 if (!sUserManager.exists(userId)) return true; 10653 PackageParser.Package p = filter.service.owner; 10654 if (p != null) { 10655 PackageSetting ps = (PackageSetting)p.mExtras; 10656 if (ps != null) { 10657 // System apps are never considered stopped for purposes of 10658 // filtering, because there may be no way for the user to 10659 // actually re-launch them. 10660 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10661 && ps.getStopped(userId); 10662 } 10663 } 10664 return false; 10665 } 10666 10667 @Override 10668 protected boolean isPackageForFilter(String packageName, 10669 PackageParser.ServiceIntentInfo info) { 10670 return packageName.equals(info.service.owner.packageName); 10671 } 10672 10673 @Override 10674 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10675 int match, int userId) { 10676 if (!sUserManager.exists(userId)) return null; 10677 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10678 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10679 return null; 10680 } 10681 final PackageParser.Service service = info.service; 10682 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10683 if (ps == null) { 10684 return null; 10685 } 10686 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10687 ps.readUserState(userId), userId); 10688 if (si == null) { 10689 return null; 10690 } 10691 final ResolveInfo res = new ResolveInfo(); 10692 res.serviceInfo = si; 10693 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10694 res.filter = filter; 10695 } 10696 res.priority = info.getPriority(); 10697 res.preferredOrder = service.owner.mPreferredOrder; 10698 res.match = match; 10699 res.isDefault = info.hasDefault; 10700 res.labelRes = info.labelRes; 10701 res.nonLocalizedLabel = info.nonLocalizedLabel; 10702 res.icon = info.icon; 10703 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10704 return res; 10705 } 10706 10707 @Override 10708 protected void sortResults(List<ResolveInfo> results) { 10709 Collections.sort(results, mResolvePrioritySorter); 10710 } 10711 10712 @Override 10713 protected void dumpFilter(PrintWriter out, String prefix, 10714 PackageParser.ServiceIntentInfo filter) { 10715 out.print(prefix); out.print( 10716 Integer.toHexString(System.identityHashCode(filter.service))); 10717 out.print(' '); 10718 filter.service.printComponentShortName(out); 10719 out.print(" filter "); 10720 out.println(Integer.toHexString(System.identityHashCode(filter))); 10721 } 10722 10723 @Override 10724 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10725 return filter.service; 10726 } 10727 10728 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10729 PackageParser.Service service = (PackageParser.Service)label; 10730 out.print(prefix); out.print( 10731 Integer.toHexString(System.identityHashCode(service))); 10732 out.print(' '); 10733 service.printComponentShortName(out); 10734 if (count > 1) { 10735 out.print(" ("); out.print(count); out.print(" filters)"); 10736 } 10737 out.println(); 10738 } 10739 10740// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10741// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10742// final List<ResolveInfo> retList = Lists.newArrayList(); 10743// while (i.hasNext()) { 10744// final ResolveInfo resolveInfo = (ResolveInfo) i; 10745// if (isEnabledLP(resolveInfo.serviceInfo)) { 10746// retList.add(resolveInfo); 10747// } 10748// } 10749// return retList; 10750// } 10751 10752 // Keys are String (activity class name), values are Activity. 10753 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10754 = new ArrayMap<ComponentName, PackageParser.Service>(); 10755 private int mFlags; 10756 }; 10757 10758 private final class ProviderIntentResolver 10759 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10760 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10761 boolean defaultOnly, int userId) { 10762 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10763 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10764 } 10765 10766 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10767 int userId) { 10768 if (!sUserManager.exists(userId)) 10769 return null; 10770 mFlags = flags; 10771 return super.queryIntent(intent, resolvedType, 10772 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10773 } 10774 10775 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10776 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10777 if (!sUserManager.exists(userId)) 10778 return null; 10779 if (packageProviders == null) { 10780 return null; 10781 } 10782 mFlags = flags; 10783 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10784 final int N = packageProviders.size(); 10785 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10786 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10787 10788 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10789 for (int i = 0; i < N; ++i) { 10790 intentFilters = packageProviders.get(i).intents; 10791 if (intentFilters != null && intentFilters.size() > 0) { 10792 PackageParser.ProviderIntentInfo[] array = 10793 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10794 intentFilters.toArray(array); 10795 listCut.add(array); 10796 } 10797 } 10798 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10799 } 10800 10801 public final void addProvider(PackageParser.Provider p) { 10802 if (mProviders.containsKey(p.getComponentName())) { 10803 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10804 return; 10805 } 10806 10807 mProviders.put(p.getComponentName(), p); 10808 if (DEBUG_SHOW_INFO) { 10809 Log.v(TAG, " " 10810 + (p.info.nonLocalizedLabel != null 10811 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10812 Log.v(TAG, " Class=" + p.info.name); 10813 } 10814 final int NI = p.intents.size(); 10815 int j; 10816 for (j = 0; j < NI; j++) { 10817 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10818 if (DEBUG_SHOW_INFO) { 10819 Log.v(TAG, " IntentFilter:"); 10820 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10821 } 10822 if (!intent.debugCheck()) { 10823 Log.w(TAG, "==> For Provider " + p.info.name); 10824 } 10825 addFilter(intent); 10826 } 10827 } 10828 10829 public final void removeProvider(PackageParser.Provider p) { 10830 mProviders.remove(p.getComponentName()); 10831 if (DEBUG_SHOW_INFO) { 10832 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10833 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10834 Log.v(TAG, " Class=" + p.info.name); 10835 } 10836 final int NI = p.intents.size(); 10837 int j; 10838 for (j = 0; j < NI; j++) { 10839 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10840 if (DEBUG_SHOW_INFO) { 10841 Log.v(TAG, " IntentFilter:"); 10842 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10843 } 10844 removeFilter(intent); 10845 } 10846 } 10847 10848 @Override 10849 protected boolean allowFilterResult( 10850 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10851 ProviderInfo filterPi = filter.provider.info; 10852 for (int i = dest.size() - 1; i >= 0; i--) { 10853 ProviderInfo destPi = dest.get(i).providerInfo; 10854 if (destPi.name == filterPi.name 10855 && destPi.packageName == filterPi.packageName) { 10856 return false; 10857 } 10858 } 10859 return true; 10860 } 10861 10862 @Override 10863 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10864 return new PackageParser.ProviderIntentInfo[size]; 10865 } 10866 10867 @Override 10868 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10869 if (!sUserManager.exists(userId)) 10870 return true; 10871 PackageParser.Package p = filter.provider.owner; 10872 if (p != null) { 10873 PackageSetting ps = (PackageSetting) p.mExtras; 10874 if (ps != null) { 10875 // System apps are never considered stopped for purposes of 10876 // filtering, because there may be no way for the user to 10877 // actually re-launch them. 10878 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10879 && ps.getStopped(userId); 10880 } 10881 } 10882 return false; 10883 } 10884 10885 @Override 10886 protected boolean isPackageForFilter(String packageName, 10887 PackageParser.ProviderIntentInfo info) { 10888 return packageName.equals(info.provider.owner.packageName); 10889 } 10890 10891 @Override 10892 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10893 int match, int userId) { 10894 if (!sUserManager.exists(userId)) 10895 return null; 10896 final PackageParser.ProviderIntentInfo info = filter; 10897 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10898 return null; 10899 } 10900 final PackageParser.Provider provider = info.provider; 10901 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10902 if (ps == null) { 10903 return null; 10904 } 10905 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10906 ps.readUserState(userId), userId); 10907 if (pi == null) { 10908 return null; 10909 } 10910 final ResolveInfo res = new ResolveInfo(); 10911 res.providerInfo = pi; 10912 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10913 res.filter = filter; 10914 } 10915 res.priority = info.getPriority(); 10916 res.preferredOrder = provider.owner.mPreferredOrder; 10917 res.match = match; 10918 res.isDefault = info.hasDefault; 10919 res.labelRes = info.labelRes; 10920 res.nonLocalizedLabel = info.nonLocalizedLabel; 10921 res.icon = info.icon; 10922 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10923 return res; 10924 } 10925 10926 @Override 10927 protected void sortResults(List<ResolveInfo> results) { 10928 Collections.sort(results, mResolvePrioritySorter); 10929 } 10930 10931 @Override 10932 protected void dumpFilter(PrintWriter out, String prefix, 10933 PackageParser.ProviderIntentInfo filter) { 10934 out.print(prefix); 10935 out.print( 10936 Integer.toHexString(System.identityHashCode(filter.provider))); 10937 out.print(' '); 10938 filter.provider.printComponentShortName(out); 10939 out.print(" filter "); 10940 out.println(Integer.toHexString(System.identityHashCode(filter))); 10941 } 10942 10943 @Override 10944 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10945 return filter.provider; 10946 } 10947 10948 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10949 PackageParser.Provider provider = (PackageParser.Provider)label; 10950 out.print(prefix); out.print( 10951 Integer.toHexString(System.identityHashCode(provider))); 10952 out.print(' '); 10953 provider.printComponentShortName(out); 10954 if (count > 1) { 10955 out.print(" ("); out.print(count); out.print(" filters)"); 10956 } 10957 out.println(); 10958 } 10959 10960 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10961 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10962 private int mFlags; 10963 } 10964 10965 private static final class EphemeralIntentResolver 10966 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10967 @Override 10968 protected EphemeralResolveIntentInfo[] newArray(int size) { 10969 return new EphemeralResolveIntentInfo[size]; 10970 } 10971 10972 @Override 10973 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10974 return true; 10975 } 10976 10977 @Override 10978 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10979 int userId) { 10980 if (!sUserManager.exists(userId)) { 10981 return null; 10982 } 10983 return info.getEphemeralResolveInfo(); 10984 } 10985 } 10986 10987 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10988 new Comparator<ResolveInfo>() { 10989 public int compare(ResolveInfo r1, ResolveInfo r2) { 10990 int v1 = r1.priority; 10991 int v2 = r2.priority; 10992 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10993 if (v1 != v2) { 10994 return (v1 > v2) ? -1 : 1; 10995 } 10996 v1 = r1.preferredOrder; 10997 v2 = r2.preferredOrder; 10998 if (v1 != v2) { 10999 return (v1 > v2) ? -1 : 1; 11000 } 11001 if (r1.isDefault != r2.isDefault) { 11002 return r1.isDefault ? -1 : 1; 11003 } 11004 v1 = r1.match; 11005 v2 = r2.match; 11006 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11007 if (v1 != v2) { 11008 return (v1 > v2) ? -1 : 1; 11009 } 11010 if (r1.system != r2.system) { 11011 return r1.system ? -1 : 1; 11012 } 11013 if (r1.activityInfo != null) { 11014 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11015 } 11016 if (r1.serviceInfo != null) { 11017 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11018 } 11019 if (r1.providerInfo != null) { 11020 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11021 } 11022 return 0; 11023 } 11024 }; 11025 11026 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11027 new Comparator<ProviderInfo>() { 11028 public int compare(ProviderInfo p1, ProviderInfo p2) { 11029 final int v1 = p1.initOrder; 11030 final int v2 = p2.initOrder; 11031 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11032 } 11033 }; 11034 11035 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11036 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11037 final int[] userIds) { 11038 mHandler.post(new Runnable() { 11039 @Override 11040 public void run() { 11041 try { 11042 final IActivityManager am = ActivityManagerNative.getDefault(); 11043 if (am == null) return; 11044 final int[] resolvedUserIds; 11045 if (userIds == null) { 11046 resolvedUserIds = am.getRunningUserIds(); 11047 } else { 11048 resolvedUserIds = userIds; 11049 } 11050 for (int id : resolvedUserIds) { 11051 final Intent intent = new Intent(action, 11052 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11053 if (extras != null) { 11054 intent.putExtras(extras); 11055 } 11056 if (targetPkg != null) { 11057 intent.setPackage(targetPkg); 11058 } 11059 // Modify the UID when posting to other users 11060 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11061 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11062 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11063 intent.putExtra(Intent.EXTRA_UID, uid); 11064 } 11065 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11066 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11067 if (DEBUG_BROADCASTS) { 11068 RuntimeException here = new RuntimeException("here"); 11069 here.fillInStackTrace(); 11070 Slog.d(TAG, "Sending to user " + id + ": " 11071 + intent.toShortString(false, true, false, false) 11072 + " " + intent.getExtras(), here); 11073 } 11074 am.broadcastIntent(null, intent, null, finishedReceiver, 11075 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11076 null, finishedReceiver != null, false, id); 11077 } 11078 } catch (RemoteException ex) { 11079 } 11080 } 11081 }); 11082 } 11083 11084 /** 11085 * Check if the external storage media is available. This is true if there 11086 * is a mounted external storage medium or if the external storage is 11087 * emulated. 11088 */ 11089 private boolean isExternalMediaAvailable() { 11090 return mMediaMounted || Environment.isExternalStorageEmulated(); 11091 } 11092 11093 @Override 11094 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11095 // writer 11096 synchronized (mPackages) { 11097 if (!isExternalMediaAvailable()) { 11098 // If the external storage is no longer mounted at this point, 11099 // the caller may not have been able to delete all of this 11100 // packages files and can not delete any more. Bail. 11101 return null; 11102 } 11103 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11104 if (lastPackage != null) { 11105 pkgs.remove(lastPackage); 11106 } 11107 if (pkgs.size() > 0) { 11108 return pkgs.get(0); 11109 } 11110 } 11111 return null; 11112 } 11113 11114 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11115 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11116 userId, andCode ? 1 : 0, packageName); 11117 if (mSystemReady) { 11118 msg.sendToTarget(); 11119 } else { 11120 if (mPostSystemReadyMessages == null) { 11121 mPostSystemReadyMessages = new ArrayList<>(); 11122 } 11123 mPostSystemReadyMessages.add(msg); 11124 } 11125 } 11126 11127 void startCleaningPackages() { 11128 // reader 11129 if (!isExternalMediaAvailable()) { 11130 return; 11131 } 11132 synchronized (mPackages) { 11133 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11134 return; 11135 } 11136 } 11137 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11138 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11139 IActivityManager am = ActivityManagerNative.getDefault(); 11140 if (am != null) { 11141 try { 11142 am.startService(null, intent, null, mContext.getOpPackageName(), 11143 UserHandle.USER_SYSTEM); 11144 } catch (RemoteException e) { 11145 } 11146 } 11147 } 11148 11149 @Override 11150 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11151 int installFlags, String installerPackageName, int userId) { 11152 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11153 11154 final int callingUid = Binder.getCallingUid(); 11155 enforceCrossUserPermission(callingUid, userId, 11156 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11157 11158 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11159 try { 11160 if (observer != null) { 11161 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11162 } 11163 } catch (RemoteException re) { 11164 } 11165 return; 11166 } 11167 11168 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11169 installFlags |= PackageManager.INSTALL_FROM_ADB; 11170 11171 } else { 11172 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11173 // about installerPackageName. 11174 11175 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11176 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11177 } 11178 11179 UserHandle user; 11180 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11181 user = UserHandle.ALL; 11182 } else { 11183 user = new UserHandle(userId); 11184 } 11185 11186 // Only system components can circumvent runtime permissions when installing. 11187 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11188 && mContext.checkCallingOrSelfPermission(Manifest.permission 11189 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11190 throw new SecurityException("You need the " 11191 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11192 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11193 } 11194 11195 final File originFile = new File(originPath); 11196 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11197 11198 final Message msg = mHandler.obtainMessage(INIT_COPY); 11199 final VerificationInfo verificationInfo = new VerificationInfo( 11200 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11201 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11202 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11203 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11204 null /*certificates*/); 11205 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11206 msg.obj = params; 11207 11208 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11209 System.identityHashCode(msg.obj)); 11210 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11211 System.identityHashCode(msg.obj)); 11212 11213 mHandler.sendMessage(msg); 11214 } 11215 11216 void installStage(String packageName, File stagedDir, String stagedCid, 11217 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11218 String installerPackageName, int installerUid, UserHandle user, 11219 Certificate[][] certificates) { 11220 if (DEBUG_EPHEMERAL) { 11221 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11222 Slog.d(TAG, "Ephemeral install of " + packageName); 11223 } 11224 } 11225 final VerificationInfo verificationInfo = new VerificationInfo( 11226 sessionParams.originatingUri, sessionParams.referrerUri, 11227 sessionParams.originatingUid, installerUid); 11228 11229 final OriginInfo origin; 11230 if (stagedDir != null) { 11231 origin = OriginInfo.fromStagedFile(stagedDir); 11232 } else { 11233 origin = OriginInfo.fromStagedContainer(stagedCid); 11234 } 11235 11236 final Message msg = mHandler.obtainMessage(INIT_COPY); 11237 final InstallParams params = new InstallParams(origin, null, observer, 11238 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11239 verificationInfo, user, sessionParams.abiOverride, 11240 sessionParams.grantedRuntimePermissions, certificates); 11241 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11242 msg.obj = params; 11243 11244 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11245 System.identityHashCode(msg.obj)); 11246 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11247 System.identityHashCode(msg.obj)); 11248 11249 mHandler.sendMessage(msg); 11250 } 11251 11252 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11253 int userId) { 11254 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11255 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11256 } 11257 11258 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11259 int appId, int userId) { 11260 Bundle extras = new Bundle(1); 11261 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11262 11263 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11264 packageName, extras, 0, null, null, new int[] {userId}); 11265 try { 11266 IActivityManager am = ActivityManagerNative.getDefault(); 11267 if (isSystem && am.isUserRunning(userId, 0)) { 11268 // The just-installed/enabled app is bundled on the system, so presumed 11269 // to be able to run automatically without needing an explicit launch. 11270 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11271 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11272 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11273 .setPackage(packageName); 11274 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11275 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11276 } 11277 } catch (RemoteException e) { 11278 // shouldn't happen 11279 Slog.w(TAG, "Unable to bootstrap installed package", e); 11280 } 11281 } 11282 11283 @Override 11284 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11285 int userId) { 11286 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11287 PackageSetting pkgSetting; 11288 final int uid = Binder.getCallingUid(); 11289 enforceCrossUserPermission(uid, userId, 11290 true /* requireFullPermission */, true /* checkShell */, 11291 "setApplicationHiddenSetting for user " + userId); 11292 11293 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11294 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11295 return false; 11296 } 11297 11298 long callingId = Binder.clearCallingIdentity(); 11299 try { 11300 boolean sendAdded = false; 11301 boolean sendRemoved = false; 11302 // writer 11303 synchronized (mPackages) { 11304 pkgSetting = mSettings.mPackages.get(packageName); 11305 if (pkgSetting == null) { 11306 return false; 11307 } 11308 if (pkgSetting.getHidden(userId) != hidden) { 11309 pkgSetting.setHidden(hidden, userId); 11310 mSettings.writePackageRestrictionsLPr(userId); 11311 if (hidden) { 11312 sendRemoved = true; 11313 } else { 11314 sendAdded = true; 11315 } 11316 } 11317 } 11318 if (sendAdded) { 11319 sendPackageAddedForUser(packageName, pkgSetting, userId); 11320 return true; 11321 } 11322 if (sendRemoved) { 11323 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11324 "hiding pkg"); 11325 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11326 return true; 11327 } 11328 } finally { 11329 Binder.restoreCallingIdentity(callingId); 11330 } 11331 return false; 11332 } 11333 11334 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11335 int userId) { 11336 final PackageRemovedInfo info = new PackageRemovedInfo(); 11337 info.removedPackage = packageName; 11338 info.removedUsers = new int[] {userId}; 11339 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11340 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11341 } 11342 11343 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11344 if (pkgList.length > 0) { 11345 Bundle extras = new Bundle(1); 11346 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11347 11348 sendPackageBroadcast( 11349 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11350 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11351 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11352 new int[] {userId}); 11353 } 11354 } 11355 11356 /** 11357 * Returns true if application is not found or there was an error. Otherwise it returns 11358 * the hidden state of the package for the given user. 11359 */ 11360 @Override 11361 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11362 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11363 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11364 true /* requireFullPermission */, false /* checkShell */, 11365 "getApplicationHidden for user " + userId); 11366 PackageSetting pkgSetting; 11367 long callingId = Binder.clearCallingIdentity(); 11368 try { 11369 // writer 11370 synchronized (mPackages) { 11371 pkgSetting = mSettings.mPackages.get(packageName); 11372 if (pkgSetting == null) { 11373 return true; 11374 } 11375 return pkgSetting.getHidden(userId); 11376 } 11377 } finally { 11378 Binder.restoreCallingIdentity(callingId); 11379 } 11380 } 11381 11382 /** 11383 * @hide 11384 */ 11385 @Override 11386 public int installExistingPackageAsUser(String packageName, int userId) { 11387 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11388 null); 11389 PackageSetting pkgSetting; 11390 final int uid = Binder.getCallingUid(); 11391 enforceCrossUserPermission(uid, userId, 11392 true /* requireFullPermission */, true /* checkShell */, 11393 "installExistingPackage for user " + userId); 11394 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11395 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11396 } 11397 11398 long callingId = Binder.clearCallingIdentity(); 11399 try { 11400 boolean installed = false; 11401 11402 // writer 11403 synchronized (mPackages) { 11404 pkgSetting = mSettings.mPackages.get(packageName); 11405 if (pkgSetting == null) { 11406 return PackageManager.INSTALL_FAILED_INVALID_URI; 11407 } 11408 if (!pkgSetting.getInstalled(userId)) { 11409 pkgSetting.setInstalled(true, userId); 11410 pkgSetting.setHidden(false, userId); 11411 mSettings.writePackageRestrictionsLPr(userId); 11412 installed = true; 11413 } 11414 } 11415 11416 if (installed) { 11417 if (pkgSetting.pkg != null) { 11418 synchronized (mInstallLock) { 11419 // We don't need to freeze for a brand new install 11420 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11421 } 11422 } 11423 sendPackageAddedForUser(packageName, pkgSetting, userId); 11424 } 11425 } finally { 11426 Binder.restoreCallingIdentity(callingId); 11427 } 11428 11429 return PackageManager.INSTALL_SUCCEEDED; 11430 } 11431 11432 boolean isUserRestricted(int userId, String restrictionKey) { 11433 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11434 if (restrictions.getBoolean(restrictionKey, false)) { 11435 Log.w(TAG, "User is restricted: " + restrictionKey); 11436 return true; 11437 } 11438 return false; 11439 } 11440 11441 @Override 11442 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11443 int userId) { 11444 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11445 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11446 true /* requireFullPermission */, true /* checkShell */, 11447 "setPackagesSuspended for user " + userId); 11448 11449 if (ArrayUtils.isEmpty(packageNames)) { 11450 return packageNames; 11451 } 11452 11453 // List of package names for whom the suspended state has changed. 11454 List<String> changedPackages = new ArrayList<>(packageNames.length); 11455 // List of package names for whom the suspended state is not set as requested in this 11456 // method. 11457 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11458 for (int i = 0; i < packageNames.length; i++) { 11459 String packageName = packageNames[i]; 11460 long callingId = Binder.clearCallingIdentity(); 11461 try { 11462 boolean changed = false; 11463 final int appId; 11464 synchronized (mPackages) { 11465 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11466 if (pkgSetting == null) { 11467 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11468 + "\". Skipping suspending/un-suspending."); 11469 unactionedPackages.add(packageName); 11470 continue; 11471 } 11472 appId = pkgSetting.appId; 11473 if (pkgSetting.getSuspended(userId) != suspended) { 11474 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11475 unactionedPackages.add(packageName); 11476 continue; 11477 } 11478 pkgSetting.setSuspended(suspended, userId); 11479 mSettings.writePackageRestrictionsLPr(userId); 11480 changed = true; 11481 changedPackages.add(packageName); 11482 } 11483 } 11484 11485 if (changed && suspended) { 11486 killApplication(packageName, UserHandle.getUid(userId, appId), 11487 "suspending package"); 11488 } 11489 } finally { 11490 Binder.restoreCallingIdentity(callingId); 11491 } 11492 } 11493 11494 if (!changedPackages.isEmpty()) { 11495 sendPackagesSuspendedForUser(changedPackages.toArray( 11496 new String[changedPackages.size()]), userId, suspended); 11497 } 11498 11499 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11500 } 11501 11502 @Override 11503 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11504 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11505 true /* requireFullPermission */, false /* checkShell */, 11506 "isPackageSuspendedForUser for user " + userId); 11507 synchronized (mPackages) { 11508 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11509 if (pkgSetting == null) { 11510 throw new IllegalArgumentException("Unknown target package: " + packageName); 11511 } 11512 return pkgSetting.getSuspended(userId); 11513 } 11514 } 11515 11516 /** 11517 * TODO: cache and disallow blocking the active dialer. 11518 * 11519 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11520 */ 11521 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11522 if (isPackageDeviceAdmin(packageName, userId)) { 11523 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11524 + "\": has an active device admin"); 11525 return false; 11526 } 11527 11528 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11529 if (packageName.equals(activeLauncherPackageName)) { 11530 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11531 + "\": contains the active launcher"); 11532 return false; 11533 } 11534 11535 if (packageName.equals(mRequiredInstallerPackage)) { 11536 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11537 + "\": required for package installation"); 11538 return false; 11539 } 11540 11541 if (packageName.equals(mRequiredVerifierPackage)) { 11542 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11543 + "\": required for package verification"); 11544 return false; 11545 } 11546 11547 final PackageParser.Package pkg = mPackages.get(packageName); 11548 if (pkg != null && isPrivilegedApp(pkg)) { 11549 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11550 + "\": is a privileged app"); 11551 return false; 11552 } 11553 11554 return true; 11555 } 11556 11557 private String getActiveLauncherPackageName(int userId) { 11558 Intent intent = new Intent(Intent.ACTION_MAIN); 11559 intent.addCategory(Intent.CATEGORY_HOME); 11560 ResolveInfo resolveInfo = resolveIntent( 11561 intent, 11562 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11563 PackageManager.MATCH_DEFAULT_ONLY, 11564 userId); 11565 11566 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11567 } 11568 11569 @Override 11570 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11571 mContext.enforceCallingOrSelfPermission( 11572 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11573 "Only package verification agents can verify applications"); 11574 11575 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11576 final PackageVerificationResponse response = new PackageVerificationResponse( 11577 verificationCode, Binder.getCallingUid()); 11578 msg.arg1 = id; 11579 msg.obj = response; 11580 mHandler.sendMessage(msg); 11581 } 11582 11583 @Override 11584 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11585 long millisecondsToDelay) { 11586 mContext.enforceCallingOrSelfPermission( 11587 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11588 "Only package verification agents can extend verification timeouts"); 11589 11590 final PackageVerificationState state = mPendingVerification.get(id); 11591 final PackageVerificationResponse response = new PackageVerificationResponse( 11592 verificationCodeAtTimeout, Binder.getCallingUid()); 11593 11594 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11595 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11596 } 11597 if (millisecondsToDelay < 0) { 11598 millisecondsToDelay = 0; 11599 } 11600 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11601 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11602 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11603 } 11604 11605 if ((state != null) && !state.timeoutExtended()) { 11606 state.extendTimeout(); 11607 11608 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11609 msg.arg1 = id; 11610 msg.obj = response; 11611 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11612 } 11613 } 11614 11615 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11616 int verificationCode, UserHandle user) { 11617 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11618 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11619 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11620 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11621 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11622 11623 mContext.sendBroadcastAsUser(intent, user, 11624 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11625 } 11626 11627 private ComponentName matchComponentForVerifier(String packageName, 11628 List<ResolveInfo> receivers) { 11629 ActivityInfo targetReceiver = null; 11630 11631 final int NR = receivers.size(); 11632 for (int i = 0; i < NR; i++) { 11633 final ResolveInfo info = receivers.get(i); 11634 if (info.activityInfo == null) { 11635 continue; 11636 } 11637 11638 if (packageName.equals(info.activityInfo.packageName)) { 11639 targetReceiver = info.activityInfo; 11640 break; 11641 } 11642 } 11643 11644 if (targetReceiver == null) { 11645 return null; 11646 } 11647 11648 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11649 } 11650 11651 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11652 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11653 if (pkgInfo.verifiers.length == 0) { 11654 return null; 11655 } 11656 11657 final int N = pkgInfo.verifiers.length; 11658 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11659 for (int i = 0; i < N; i++) { 11660 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11661 11662 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11663 receivers); 11664 if (comp == null) { 11665 continue; 11666 } 11667 11668 final int verifierUid = getUidForVerifier(verifierInfo); 11669 if (verifierUid == -1) { 11670 continue; 11671 } 11672 11673 if (DEBUG_VERIFY) { 11674 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11675 + " with the correct signature"); 11676 } 11677 sufficientVerifiers.add(comp); 11678 verificationState.addSufficientVerifier(verifierUid); 11679 } 11680 11681 return sufficientVerifiers; 11682 } 11683 11684 private int getUidForVerifier(VerifierInfo verifierInfo) { 11685 synchronized (mPackages) { 11686 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11687 if (pkg == null) { 11688 return -1; 11689 } else if (pkg.mSignatures.length != 1) { 11690 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11691 + " has more than one signature; ignoring"); 11692 return -1; 11693 } 11694 11695 /* 11696 * If the public key of the package's signature does not match 11697 * our expected public key, then this is a different package and 11698 * we should skip. 11699 */ 11700 11701 final byte[] expectedPublicKey; 11702 try { 11703 final Signature verifierSig = pkg.mSignatures[0]; 11704 final PublicKey publicKey = verifierSig.getPublicKey(); 11705 expectedPublicKey = publicKey.getEncoded(); 11706 } catch (CertificateException e) { 11707 return -1; 11708 } 11709 11710 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11711 11712 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11713 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11714 + " does not have the expected public key; ignoring"); 11715 return -1; 11716 } 11717 11718 return pkg.applicationInfo.uid; 11719 } 11720 } 11721 11722 @Override 11723 public void finishPackageInstall(int token, boolean didLaunch) { 11724 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11725 11726 if (DEBUG_INSTALL) { 11727 Slog.v(TAG, "BM finishing package install for " + token); 11728 } 11729 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11730 11731 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11732 mHandler.sendMessage(msg); 11733 } 11734 11735 /** 11736 * Get the verification agent timeout. 11737 * 11738 * @return verification timeout in milliseconds 11739 */ 11740 private long getVerificationTimeout() { 11741 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11742 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11743 DEFAULT_VERIFICATION_TIMEOUT); 11744 } 11745 11746 /** 11747 * Get the default verification agent response code. 11748 * 11749 * @return default verification response code 11750 */ 11751 private int getDefaultVerificationResponse() { 11752 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11753 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11754 DEFAULT_VERIFICATION_RESPONSE); 11755 } 11756 11757 /** 11758 * Check whether or not package verification has been enabled. 11759 * 11760 * @return true if verification should be performed 11761 */ 11762 private boolean isVerificationEnabled(int userId, int installFlags) { 11763 if (!DEFAULT_VERIFY_ENABLE) { 11764 return false; 11765 } 11766 // Ephemeral apps don't get the full verification treatment 11767 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11768 if (DEBUG_EPHEMERAL) { 11769 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11770 } 11771 return false; 11772 } 11773 11774 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11775 11776 // Check if installing from ADB 11777 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11778 // Do not run verification in a test harness environment 11779 if (ActivityManager.isRunningInTestHarness()) { 11780 return false; 11781 } 11782 if (ensureVerifyAppsEnabled) { 11783 return true; 11784 } 11785 // Check if the developer does not want package verification for ADB installs 11786 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11787 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11788 return false; 11789 } 11790 } 11791 11792 if (ensureVerifyAppsEnabled) { 11793 return true; 11794 } 11795 11796 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11797 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11798 } 11799 11800 @Override 11801 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11802 throws RemoteException { 11803 mContext.enforceCallingOrSelfPermission( 11804 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11805 "Only intentfilter verification agents can verify applications"); 11806 11807 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11808 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11809 Binder.getCallingUid(), verificationCode, failedDomains); 11810 msg.arg1 = id; 11811 msg.obj = response; 11812 mHandler.sendMessage(msg); 11813 } 11814 11815 @Override 11816 public int getIntentVerificationStatus(String packageName, int userId) { 11817 synchronized (mPackages) { 11818 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11819 } 11820 } 11821 11822 @Override 11823 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11824 mContext.enforceCallingOrSelfPermission( 11825 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11826 11827 boolean result = false; 11828 synchronized (mPackages) { 11829 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11830 } 11831 if (result) { 11832 scheduleWritePackageRestrictionsLocked(userId); 11833 } 11834 return result; 11835 } 11836 11837 @Override 11838 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11839 String packageName) { 11840 synchronized (mPackages) { 11841 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11842 } 11843 } 11844 11845 @Override 11846 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11847 if (TextUtils.isEmpty(packageName)) { 11848 return ParceledListSlice.emptyList(); 11849 } 11850 synchronized (mPackages) { 11851 PackageParser.Package pkg = mPackages.get(packageName); 11852 if (pkg == null || pkg.activities == null) { 11853 return ParceledListSlice.emptyList(); 11854 } 11855 final int count = pkg.activities.size(); 11856 ArrayList<IntentFilter> result = new ArrayList<>(); 11857 for (int n=0; n<count; n++) { 11858 PackageParser.Activity activity = pkg.activities.get(n); 11859 if (activity.intents != null && activity.intents.size() > 0) { 11860 result.addAll(activity.intents); 11861 } 11862 } 11863 return new ParceledListSlice<>(result); 11864 } 11865 } 11866 11867 @Override 11868 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11869 mContext.enforceCallingOrSelfPermission( 11870 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11871 11872 synchronized (mPackages) { 11873 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11874 if (packageName != null) { 11875 result |= updateIntentVerificationStatus(packageName, 11876 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11877 userId); 11878 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11879 packageName, userId); 11880 } 11881 return result; 11882 } 11883 } 11884 11885 @Override 11886 public String getDefaultBrowserPackageName(int userId) { 11887 synchronized (mPackages) { 11888 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11889 } 11890 } 11891 11892 /** 11893 * Get the "allow unknown sources" setting. 11894 * 11895 * @return the current "allow unknown sources" setting 11896 */ 11897 private int getUnknownSourcesSettings() { 11898 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11899 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11900 -1); 11901 } 11902 11903 @Override 11904 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11905 final int uid = Binder.getCallingUid(); 11906 // writer 11907 synchronized (mPackages) { 11908 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11909 if (targetPackageSetting == null) { 11910 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11911 } 11912 11913 PackageSetting installerPackageSetting; 11914 if (installerPackageName != null) { 11915 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11916 if (installerPackageSetting == null) { 11917 throw new IllegalArgumentException("Unknown installer package: " 11918 + installerPackageName); 11919 } 11920 } else { 11921 installerPackageSetting = null; 11922 } 11923 11924 Signature[] callerSignature; 11925 Object obj = mSettings.getUserIdLPr(uid); 11926 if (obj != null) { 11927 if (obj instanceof SharedUserSetting) { 11928 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11929 } else if (obj instanceof PackageSetting) { 11930 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11931 } else { 11932 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11933 } 11934 } else { 11935 throw new SecurityException("Unknown calling UID: " + uid); 11936 } 11937 11938 // Verify: can't set installerPackageName to a package that is 11939 // not signed with the same cert as the caller. 11940 if (installerPackageSetting != null) { 11941 if (compareSignatures(callerSignature, 11942 installerPackageSetting.signatures.mSignatures) 11943 != PackageManager.SIGNATURE_MATCH) { 11944 throw new SecurityException( 11945 "Caller does not have same cert as new installer package " 11946 + installerPackageName); 11947 } 11948 } 11949 11950 // Verify: if target already has an installer package, it must 11951 // be signed with the same cert as the caller. 11952 if (targetPackageSetting.installerPackageName != null) { 11953 PackageSetting setting = mSettings.mPackages.get( 11954 targetPackageSetting.installerPackageName); 11955 // If the currently set package isn't valid, then it's always 11956 // okay to change it. 11957 if (setting != null) { 11958 if (compareSignatures(callerSignature, 11959 setting.signatures.mSignatures) 11960 != PackageManager.SIGNATURE_MATCH) { 11961 throw new SecurityException( 11962 "Caller does not have same cert as old installer package " 11963 + targetPackageSetting.installerPackageName); 11964 } 11965 } 11966 } 11967 11968 // Okay! 11969 targetPackageSetting.installerPackageName = installerPackageName; 11970 if (installerPackageName != null) { 11971 mSettings.mInstallerPackages.add(installerPackageName); 11972 } 11973 scheduleWriteSettingsLocked(); 11974 } 11975 } 11976 11977 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11978 // Queue up an async operation since the package installation may take a little while. 11979 mHandler.post(new Runnable() { 11980 public void run() { 11981 mHandler.removeCallbacks(this); 11982 // Result object to be returned 11983 PackageInstalledInfo res = new PackageInstalledInfo(); 11984 res.setReturnCode(currentStatus); 11985 res.uid = -1; 11986 res.pkg = null; 11987 res.removedInfo = null; 11988 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11989 args.doPreInstall(res.returnCode); 11990 synchronized (mInstallLock) { 11991 installPackageTracedLI(args, res); 11992 } 11993 args.doPostInstall(res.returnCode, res.uid); 11994 } 11995 11996 // A restore should be performed at this point if (a) the install 11997 // succeeded, (b) the operation is not an update, and (c) the new 11998 // package has not opted out of backup participation. 11999 final boolean update = res.removedInfo != null 12000 && res.removedInfo.removedPackage != null; 12001 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12002 boolean doRestore = !update 12003 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12004 12005 // Set up the post-install work request bookkeeping. This will be used 12006 // and cleaned up by the post-install event handling regardless of whether 12007 // there's a restore pass performed. Token values are >= 1. 12008 int token; 12009 if (mNextInstallToken < 0) mNextInstallToken = 1; 12010 token = mNextInstallToken++; 12011 12012 PostInstallData data = new PostInstallData(args, res); 12013 mRunningInstalls.put(token, data); 12014 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12015 12016 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12017 // Pass responsibility to the Backup Manager. It will perform a 12018 // restore if appropriate, then pass responsibility back to the 12019 // Package Manager to run the post-install observer callbacks 12020 // and broadcasts. 12021 IBackupManager bm = IBackupManager.Stub.asInterface( 12022 ServiceManager.getService(Context.BACKUP_SERVICE)); 12023 if (bm != null) { 12024 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12025 + " to BM for possible restore"); 12026 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12027 try { 12028 // TODO: http://b/22388012 12029 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12030 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12031 } else { 12032 doRestore = false; 12033 } 12034 } catch (RemoteException e) { 12035 // can't happen; the backup manager is local 12036 } catch (Exception e) { 12037 Slog.e(TAG, "Exception trying to enqueue restore", e); 12038 doRestore = false; 12039 } 12040 } else { 12041 Slog.e(TAG, "Backup Manager not found!"); 12042 doRestore = false; 12043 } 12044 } 12045 12046 if (!doRestore) { 12047 // No restore possible, or the Backup Manager was mysteriously not 12048 // available -- just fire the post-install work request directly. 12049 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12050 12051 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12052 12053 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12054 mHandler.sendMessage(msg); 12055 } 12056 } 12057 }); 12058 } 12059 12060 /** 12061 * Callback from PackageSettings whenever an app is first transitioned out of the 12062 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12063 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12064 * here whether the app is the target of an ongoing install, and only send the 12065 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12066 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12067 * handling. 12068 */ 12069 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12070 // Serialize this with the rest of the install-process message chain. In the 12071 // restore-at-install case, this Runnable will necessarily run before the 12072 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12073 // are coherent. In the non-restore case, the app has already completed install 12074 // and been launched through some other means, so it is not in a problematic 12075 // state for observers to see the FIRST_LAUNCH signal. 12076 mHandler.post(new Runnable() { 12077 @Override 12078 public void run() { 12079 for (int i = 0; i < mRunningInstalls.size(); i++) { 12080 final PostInstallData data = mRunningInstalls.valueAt(i); 12081 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12082 // right package; but is it for the right user? 12083 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12084 if (userId == data.res.newUsers[uIndex]) { 12085 if (DEBUG_BACKUP) { 12086 Slog.i(TAG, "Package " + pkgName 12087 + " being restored so deferring FIRST_LAUNCH"); 12088 } 12089 return; 12090 } 12091 } 12092 } 12093 } 12094 // didn't find it, so not being restored 12095 if (DEBUG_BACKUP) { 12096 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12097 } 12098 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12099 } 12100 }); 12101 } 12102 12103 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12104 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12105 installerPkg, null, userIds); 12106 } 12107 12108 private abstract class HandlerParams { 12109 private static final int MAX_RETRIES = 4; 12110 12111 /** 12112 * Number of times startCopy() has been attempted and had a non-fatal 12113 * error. 12114 */ 12115 private int mRetries = 0; 12116 12117 /** User handle for the user requesting the information or installation. */ 12118 private final UserHandle mUser; 12119 String traceMethod; 12120 int traceCookie; 12121 12122 HandlerParams(UserHandle user) { 12123 mUser = user; 12124 } 12125 12126 UserHandle getUser() { 12127 return mUser; 12128 } 12129 12130 HandlerParams setTraceMethod(String traceMethod) { 12131 this.traceMethod = traceMethod; 12132 return this; 12133 } 12134 12135 HandlerParams setTraceCookie(int traceCookie) { 12136 this.traceCookie = traceCookie; 12137 return this; 12138 } 12139 12140 final boolean startCopy() { 12141 boolean res; 12142 try { 12143 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12144 12145 if (++mRetries > MAX_RETRIES) { 12146 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12147 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12148 handleServiceError(); 12149 return false; 12150 } else { 12151 handleStartCopy(); 12152 res = true; 12153 } 12154 } catch (RemoteException e) { 12155 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12156 mHandler.sendEmptyMessage(MCS_RECONNECT); 12157 res = false; 12158 } 12159 handleReturnCode(); 12160 return res; 12161 } 12162 12163 final void serviceError() { 12164 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12165 handleServiceError(); 12166 handleReturnCode(); 12167 } 12168 12169 abstract void handleStartCopy() throws RemoteException; 12170 abstract void handleServiceError(); 12171 abstract void handleReturnCode(); 12172 } 12173 12174 class MeasureParams extends HandlerParams { 12175 private final PackageStats mStats; 12176 private boolean mSuccess; 12177 12178 private final IPackageStatsObserver mObserver; 12179 12180 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12181 super(new UserHandle(stats.userHandle)); 12182 mObserver = observer; 12183 mStats = stats; 12184 } 12185 12186 @Override 12187 public String toString() { 12188 return "MeasureParams{" 12189 + Integer.toHexString(System.identityHashCode(this)) 12190 + " " + mStats.packageName + "}"; 12191 } 12192 12193 @Override 12194 void handleStartCopy() throws RemoteException { 12195 synchronized (mInstallLock) { 12196 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12197 } 12198 12199 if (mSuccess) { 12200 final boolean mounted; 12201 if (Environment.isExternalStorageEmulated()) { 12202 mounted = true; 12203 } else { 12204 final String status = Environment.getExternalStorageState(); 12205 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12206 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12207 } 12208 12209 if (mounted) { 12210 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12211 12212 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12213 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12214 12215 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12216 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12217 12218 // Always subtract cache size, since it's a subdirectory 12219 mStats.externalDataSize -= mStats.externalCacheSize; 12220 12221 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12222 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12223 12224 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12225 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12226 } 12227 } 12228 } 12229 12230 @Override 12231 void handleReturnCode() { 12232 if (mObserver != null) { 12233 try { 12234 mObserver.onGetStatsCompleted(mStats, mSuccess); 12235 } catch (RemoteException e) { 12236 Slog.i(TAG, "Observer no longer exists."); 12237 } 12238 } 12239 } 12240 12241 @Override 12242 void handleServiceError() { 12243 Slog.e(TAG, "Could not measure application " + mStats.packageName 12244 + " external storage"); 12245 } 12246 } 12247 12248 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12249 throws RemoteException { 12250 long result = 0; 12251 for (File path : paths) { 12252 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12253 } 12254 return result; 12255 } 12256 12257 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12258 for (File path : paths) { 12259 try { 12260 mcs.clearDirectory(path.getAbsolutePath()); 12261 } catch (RemoteException e) { 12262 } 12263 } 12264 } 12265 12266 static class OriginInfo { 12267 /** 12268 * Location where install is coming from, before it has been 12269 * copied/renamed into place. This could be a single monolithic APK 12270 * file, or a cluster directory. This location may be untrusted. 12271 */ 12272 final File file; 12273 final String cid; 12274 12275 /** 12276 * Flag indicating that {@link #file} or {@link #cid} has already been 12277 * staged, meaning downstream users don't need to defensively copy the 12278 * contents. 12279 */ 12280 final boolean staged; 12281 12282 /** 12283 * Flag indicating that {@link #file} or {@link #cid} is an already 12284 * installed app that is being moved. 12285 */ 12286 final boolean existing; 12287 12288 final String resolvedPath; 12289 final File resolvedFile; 12290 12291 static OriginInfo fromNothing() { 12292 return new OriginInfo(null, null, false, false); 12293 } 12294 12295 static OriginInfo fromUntrustedFile(File file) { 12296 return new OriginInfo(file, null, false, false); 12297 } 12298 12299 static OriginInfo fromExistingFile(File file) { 12300 return new OriginInfo(file, null, false, true); 12301 } 12302 12303 static OriginInfo fromStagedFile(File file) { 12304 return new OriginInfo(file, null, true, false); 12305 } 12306 12307 static OriginInfo fromStagedContainer(String cid) { 12308 return new OriginInfo(null, cid, true, false); 12309 } 12310 12311 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12312 this.file = file; 12313 this.cid = cid; 12314 this.staged = staged; 12315 this.existing = existing; 12316 12317 if (cid != null) { 12318 resolvedPath = PackageHelper.getSdDir(cid); 12319 resolvedFile = new File(resolvedPath); 12320 } else if (file != null) { 12321 resolvedPath = file.getAbsolutePath(); 12322 resolvedFile = file; 12323 } else { 12324 resolvedPath = null; 12325 resolvedFile = null; 12326 } 12327 } 12328 } 12329 12330 static class MoveInfo { 12331 final int moveId; 12332 final String fromUuid; 12333 final String toUuid; 12334 final String packageName; 12335 final String dataAppName; 12336 final int appId; 12337 final String seinfo; 12338 final int targetSdkVersion; 12339 12340 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12341 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12342 this.moveId = moveId; 12343 this.fromUuid = fromUuid; 12344 this.toUuid = toUuid; 12345 this.packageName = packageName; 12346 this.dataAppName = dataAppName; 12347 this.appId = appId; 12348 this.seinfo = seinfo; 12349 this.targetSdkVersion = targetSdkVersion; 12350 } 12351 } 12352 12353 static class VerificationInfo { 12354 /** A constant used to indicate that a uid value is not present. */ 12355 public static final int NO_UID = -1; 12356 12357 /** URI referencing where the package was downloaded from. */ 12358 final Uri originatingUri; 12359 12360 /** HTTP referrer URI associated with the originatingURI. */ 12361 final Uri referrer; 12362 12363 /** UID of the application that the install request originated from. */ 12364 final int originatingUid; 12365 12366 /** UID of application requesting the install */ 12367 final int installerUid; 12368 12369 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12370 this.originatingUri = originatingUri; 12371 this.referrer = referrer; 12372 this.originatingUid = originatingUid; 12373 this.installerUid = installerUid; 12374 } 12375 } 12376 12377 class InstallParams extends HandlerParams { 12378 final OriginInfo origin; 12379 final MoveInfo move; 12380 final IPackageInstallObserver2 observer; 12381 int installFlags; 12382 final String installerPackageName; 12383 final String volumeUuid; 12384 private InstallArgs mArgs; 12385 private int mRet; 12386 final String packageAbiOverride; 12387 final String[] grantedRuntimePermissions; 12388 final VerificationInfo verificationInfo; 12389 final Certificate[][] certificates; 12390 12391 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12392 int installFlags, String installerPackageName, String volumeUuid, 12393 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12394 String[] grantedPermissions, Certificate[][] certificates) { 12395 super(user); 12396 this.origin = origin; 12397 this.move = move; 12398 this.observer = observer; 12399 this.installFlags = installFlags; 12400 this.installerPackageName = installerPackageName; 12401 this.volumeUuid = volumeUuid; 12402 this.verificationInfo = verificationInfo; 12403 this.packageAbiOverride = packageAbiOverride; 12404 this.grantedRuntimePermissions = grantedPermissions; 12405 this.certificates = certificates; 12406 } 12407 12408 @Override 12409 public String toString() { 12410 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12411 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12412 } 12413 12414 private int installLocationPolicy(PackageInfoLite pkgLite) { 12415 String packageName = pkgLite.packageName; 12416 int installLocation = pkgLite.installLocation; 12417 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12418 // reader 12419 synchronized (mPackages) { 12420 // Currently installed package which the new package is attempting to replace or 12421 // null if no such package is installed. 12422 PackageParser.Package installedPkg = mPackages.get(packageName); 12423 // Package which currently owns the data which the new package will own if installed. 12424 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12425 // will be null whereas dataOwnerPkg will contain information about the package 12426 // which was uninstalled while keeping its data. 12427 PackageParser.Package dataOwnerPkg = installedPkg; 12428 if (dataOwnerPkg == null) { 12429 PackageSetting ps = mSettings.mPackages.get(packageName); 12430 if (ps != null) { 12431 dataOwnerPkg = ps.pkg; 12432 } 12433 } 12434 12435 if (dataOwnerPkg != null) { 12436 // If installed, the package will get access to data left on the device by its 12437 // predecessor. As a security measure, this is permited only if this is not a 12438 // version downgrade or if the predecessor package is marked as debuggable and 12439 // a downgrade is explicitly requested. 12440 // 12441 // On debuggable platform builds, downgrades are permitted even for 12442 // non-debuggable packages to make testing easier. Debuggable platform builds do 12443 // not offer security guarantees and thus it's OK to disable some security 12444 // mechanisms to make debugging/testing easier on those builds. However, even on 12445 // debuggable builds downgrades of packages are permitted only if requested via 12446 // installFlags. This is because we aim to keep the behavior of debuggable 12447 // platform builds as close as possible to the behavior of non-debuggable 12448 // platform builds. 12449 final boolean downgradeRequested = 12450 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12451 final boolean packageDebuggable = 12452 (dataOwnerPkg.applicationInfo.flags 12453 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12454 final boolean downgradePermitted = 12455 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12456 if (!downgradePermitted) { 12457 try { 12458 checkDowngrade(dataOwnerPkg, pkgLite); 12459 } catch (PackageManagerException e) { 12460 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12461 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12462 } 12463 } 12464 } 12465 12466 if (installedPkg != null) { 12467 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12468 // Check for updated system application. 12469 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12470 if (onSd) { 12471 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12472 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12473 } 12474 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12475 } else { 12476 if (onSd) { 12477 // Install flag overrides everything. 12478 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12479 } 12480 // If current upgrade specifies particular preference 12481 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12482 // Application explicitly specified internal. 12483 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12484 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12485 // App explictly prefers external. Let policy decide 12486 } else { 12487 // Prefer previous location 12488 if (isExternal(installedPkg)) { 12489 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12490 } 12491 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12492 } 12493 } 12494 } else { 12495 // Invalid install. Return error code 12496 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12497 } 12498 } 12499 } 12500 // All the special cases have been taken care of. 12501 // Return result based on recommended install location. 12502 if (onSd) { 12503 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12504 } 12505 return pkgLite.recommendedInstallLocation; 12506 } 12507 12508 /* 12509 * Invoke remote method to get package information and install 12510 * location values. Override install location based on default 12511 * policy if needed and then create install arguments based 12512 * on the install location. 12513 */ 12514 public void handleStartCopy() throws RemoteException { 12515 int ret = PackageManager.INSTALL_SUCCEEDED; 12516 12517 // If we're already staged, we've firmly committed to an install location 12518 if (origin.staged) { 12519 if (origin.file != null) { 12520 installFlags |= PackageManager.INSTALL_INTERNAL; 12521 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12522 } else if (origin.cid != null) { 12523 installFlags |= PackageManager.INSTALL_EXTERNAL; 12524 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12525 } else { 12526 throw new IllegalStateException("Invalid stage location"); 12527 } 12528 } 12529 12530 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12531 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12532 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12533 PackageInfoLite pkgLite = null; 12534 12535 if (onInt && onSd) { 12536 // Check if both bits are set. 12537 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12538 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12539 } else if (onSd && ephemeral) { 12540 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12541 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12542 } else { 12543 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12544 packageAbiOverride); 12545 12546 if (DEBUG_EPHEMERAL && ephemeral) { 12547 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12548 } 12549 12550 /* 12551 * If we have too little free space, try to free cache 12552 * before giving up. 12553 */ 12554 if (!origin.staged && pkgLite.recommendedInstallLocation 12555 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12556 // TODO: focus freeing disk space on the target device 12557 final StorageManager storage = StorageManager.from(mContext); 12558 final long lowThreshold = storage.getStorageLowBytes( 12559 Environment.getDataDirectory()); 12560 12561 final long sizeBytes = mContainerService.calculateInstalledSize( 12562 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12563 12564 try { 12565 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12566 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12567 installFlags, packageAbiOverride); 12568 } catch (InstallerException e) { 12569 Slog.w(TAG, "Failed to free cache", e); 12570 } 12571 12572 /* 12573 * The cache free must have deleted the file we 12574 * downloaded to install. 12575 * 12576 * TODO: fix the "freeCache" call to not delete 12577 * the file we care about. 12578 */ 12579 if (pkgLite.recommendedInstallLocation 12580 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12581 pkgLite.recommendedInstallLocation 12582 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12583 } 12584 } 12585 } 12586 12587 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12588 int loc = pkgLite.recommendedInstallLocation; 12589 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12590 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12591 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12592 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12593 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12594 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12595 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12596 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12597 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12598 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12599 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12600 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12601 } else { 12602 // Override with defaults if needed. 12603 loc = installLocationPolicy(pkgLite); 12604 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12605 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12606 } else if (!onSd && !onInt) { 12607 // Override install location with flags 12608 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12609 // Set the flag to install on external media. 12610 installFlags |= PackageManager.INSTALL_EXTERNAL; 12611 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12612 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12613 if (DEBUG_EPHEMERAL) { 12614 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12615 } 12616 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12617 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12618 |PackageManager.INSTALL_INTERNAL); 12619 } else { 12620 // Make sure the flag for installing on external 12621 // media is unset 12622 installFlags |= PackageManager.INSTALL_INTERNAL; 12623 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12624 } 12625 } 12626 } 12627 } 12628 12629 final InstallArgs args = createInstallArgs(this); 12630 mArgs = args; 12631 12632 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12633 // TODO: http://b/22976637 12634 // Apps installed for "all" users use the device owner to verify the app 12635 UserHandle verifierUser = getUser(); 12636 if (verifierUser == UserHandle.ALL) { 12637 verifierUser = UserHandle.SYSTEM; 12638 } 12639 12640 /* 12641 * Determine if we have any installed package verifiers. If we 12642 * do, then we'll defer to them to verify the packages. 12643 */ 12644 final int requiredUid = mRequiredVerifierPackage == null ? -1 12645 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12646 verifierUser.getIdentifier()); 12647 if (!origin.existing && requiredUid != -1 12648 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12649 final Intent verification = new Intent( 12650 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12651 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12652 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12653 PACKAGE_MIME_TYPE); 12654 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12655 12656 // Query all live verifiers based on current user state 12657 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12658 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12659 12660 if (DEBUG_VERIFY) { 12661 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12662 + verification.toString() + " with " + pkgLite.verifiers.length 12663 + " optional verifiers"); 12664 } 12665 12666 final int verificationId = mPendingVerificationToken++; 12667 12668 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12669 12670 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12671 installerPackageName); 12672 12673 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12674 installFlags); 12675 12676 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12677 pkgLite.packageName); 12678 12679 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12680 pkgLite.versionCode); 12681 12682 if (verificationInfo != null) { 12683 if (verificationInfo.originatingUri != null) { 12684 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12685 verificationInfo.originatingUri); 12686 } 12687 if (verificationInfo.referrer != null) { 12688 verification.putExtra(Intent.EXTRA_REFERRER, 12689 verificationInfo.referrer); 12690 } 12691 if (verificationInfo.originatingUid >= 0) { 12692 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12693 verificationInfo.originatingUid); 12694 } 12695 if (verificationInfo.installerUid >= 0) { 12696 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12697 verificationInfo.installerUid); 12698 } 12699 } 12700 12701 final PackageVerificationState verificationState = new PackageVerificationState( 12702 requiredUid, args); 12703 12704 mPendingVerification.append(verificationId, verificationState); 12705 12706 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12707 receivers, verificationState); 12708 12709 /* 12710 * If any sufficient verifiers were listed in the package 12711 * manifest, attempt to ask them. 12712 */ 12713 if (sufficientVerifiers != null) { 12714 final int N = sufficientVerifiers.size(); 12715 if (N == 0) { 12716 Slog.i(TAG, "Additional verifiers required, but none installed."); 12717 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12718 } else { 12719 for (int i = 0; i < N; i++) { 12720 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12721 12722 final Intent sufficientIntent = new Intent(verification); 12723 sufficientIntent.setComponent(verifierComponent); 12724 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12725 } 12726 } 12727 } 12728 12729 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12730 mRequiredVerifierPackage, receivers); 12731 if (ret == PackageManager.INSTALL_SUCCEEDED 12732 && mRequiredVerifierPackage != null) { 12733 Trace.asyncTraceBegin( 12734 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12735 /* 12736 * Send the intent to the required verification agent, 12737 * but only start the verification timeout after the 12738 * target BroadcastReceivers have run. 12739 */ 12740 verification.setComponent(requiredVerifierComponent); 12741 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12742 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12743 new BroadcastReceiver() { 12744 @Override 12745 public void onReceive(Context context, Intent intent) { 12746 final Message msg = mHandler 12747 .obtainMessage(CHECK_PENDING_VERIFICATION); 12748 msg.arg1 = verificationId; 12749 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12750 } 12751 }, null, 0, null, null); 12752 12753 /* 12754 * We don't want the copy to proceed until verification 12755 * succeeds, so null out this field. 12756 */ 12757 mArgs = null; 12758 } 12759 } else { 12760 /* 12761 * No package verification is enabled, so immediately start 12762 * the remote call to initiate copy using temporary file. 12763 */ 12764 ret = args.copyApk(mContainerService, true); 12765 } 12766 } 12767 12768 mRet = ret; 12769 } 12770 12771 @Override 12772 void handleReturnCode() { 12773 // If mArgs is null, then MCS couldn't be reached. When it 12774 // reconnects, it will try again to install. At that point, this 12775 // will succeed. 12776 if (mArgs != null) { 12777 processPendingInstall(mArgs, mRet); 12778 } 12779 } 12780 12781 @Override 12782 void handleServiceError() { 12783 mArgs = createInstallArgs(this); 12784 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12785 } 12786 12787 public boolean isForwardLocked() { 12788 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12789 } 12790 } 12791 12792 /** 12793 * Used during creation of InstallArgs 12794 * 12795 * @param installFlags package installation flags 12796 * @return true if should be installed on external storage 12797 */ 12798 private static boolean installOnExternalAsec(int installFlags) { 12799 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12800 return false; 12801 } 12802 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12803 return true; 12804 } 12805 return false; 12806 } 12807 12808 /** 12809 * Used during creation of InstallArgs 12810 * 12811 * @param installFlags package installation flags 12812 * @return true if should be installed as forward locked 12813 */ 12814 private static boolean installForwardLocked(int installFlags) { 12815 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12816 } 12817 12818 private InstallArgs createInstallArgs(InstallParams params) { 12819 if (params.move != null) { 12820 return new MoveInstallArgs(params); 12821 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12822 return new AsecInstallArgs(params); 12823 } else { 12824 return new FileInstallArgs(params); 12825 } 12826 } 12827 12828 /** 12829 * Create args that describe an existing installed package. Typically used 12830 * when cleaning up old installs, or used as a move source. 12831 */ 12832 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12833 String resourcePath, String[] instructionSets) { 12834 final boolean isInAsec; 12835 if (installOnExternalAsec(installFlags)) { 12836 /* Apps on SD card are always in ASEC containers. */ 12837 isInAsec = true; 12838 } else if (installForwardLocked(installFlags) 12839 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12840 /* 12841 * Forward-locked apps are only in ASEC containers if they're the 12842 * new style 12843 */ 12844 isInAsec = true; 12845 } else { 12846 isInAsec = false; 12847 } 12848 12849 if (isInAsec) { 12850 return new AsecInstallArgs(codePath, instructionSets, 12851 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12852 } else { 12853 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12854 } 12855 } 12856 12857 static abstract class InstallArgs { 12858 /** @see InstallParams#origin */ 12859 final OriginInfo origin; 12860 /** @see InstallParams#move */ 12861 final MoveInfo move; 12862 12863 final IPackageInstallObserver2 observer; 12864 // Always refers to PackageManager flags only 12865 final int installFlags; 12866 final String installerPackageName; 12867 final String volumeUuid; 12868 final UserHandle user; 12869 final String abiOverride; 12870 final String[] installGrantPermissions; 12871 /** If non-null, drop an async trace when the install completes */ 12872 final String traceMethod; 12873 final int traceCookie; 12874 final Certificate[][] certificates; 12875 12876 // The list of instruction sets supported by this app. This is currently 12877 // only used during the rmdex() phase to clean up resources. We can get rid of this 12878 // if we move dex files under the common app path. 12879 /* nullable */ String[] instructionSets; 12880 12881 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12882 int installFlags, String installerPackageName, String volumeUuid, 12883 UserHandle user, String[] instructionSets, 12884 String abiOverride, String[] installGrantPermissions, 12885 String traceMethod, int traceCookie, Certificate[][] certificates) { 12886 this.origin = origin; 12887 this.move = move; 12888 this.installFlags = installFlags; 12889 this.observer = observer; 12890 this.installerPackageName = installerPackageName; 12891 this.volumeUuid = volumeUuid; 12892 this.user = user; 12893 this.instructionSets = instructionSets; 12894 this.abiOverride = abiOverride; 12895 this.installGrantPermissions = installGrantPermissions; 12896 this.traceMethod = traceMethod; 12897 this.traceCookie = traceCookie; 12898 this.certificates = certificates; 12899 } 12900 12901 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12902 abstract int doPreInstall(int status); 12903 12904 /** 12905 * Rename package into final resting place. All paths on the given 12906 * scanned package should be updated to reflect the rename. 12907 */ 12908 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12909 abstract int doPostInstall(int status, int uid); 12910 12911 /** @see PackageSettingBase#codePathString */ 12912 abstract String getCodePath(); 12913 /** @see PackageSettingBase#resourcePathString */ 12914 abstract String getResourcePath(); 12915 12916 // Need installer lock especially for dex file removal. 12917 abstract void cleanUpResourcesLI(); 12918 abstract boolean doPostDeleteLI(boolean delete); 12919 12920 /** 12921 * Called before the source arguments are copied. This is used mostly 12922 * for MoveParams when it needs to read the source file to put it in the 12923 * destination. 12924 */ 12925 int doPreCopy() { 12926 return PackageManager.INSTALL_SUCCEEDED; 12927 } 12928 12929 /** 12930 * Called after the source arguments are copied. This is used mostly for 12931 * MoveParams when it needs to read the source file to put it in the 12932 * destination. 12933 */ 12934 int doPostCopy(int uid) { 12935 return PackageManager.INSTALL_SUCCEEDED; 12936 } 12937 12938 protected boolean isFwdLocked() { 12939 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12940 } 12941 12942 protected boolean isExternalAsec() { 12943 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12944 } 12945 12946 protected boolean isEphemeral() { 12947 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12948 } 12949 12950 UserHandle getUser() { 12951 return user; 12952 } 12953 } 12954 12955 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12956 if (!allCodePaths.isEmpty()) { 12957 if (instructionSets == null) { 12958 throw new IllegalStateException("instructionSet == null"); 12959 } 12960 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12961 for (String codePath : allCodePaths) { 12962 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12963 try { 12964 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12965 } catch (InstallerException ignored) { 12966 } 12967 } 12968 } 12969 } 12970 } 12971 12972 /** 12973 * Logic to handle installation of non-ASEC applications, including copying 12974 * and renaming logic. 12975 */ 12976 class FileInstallArgs extends InstallArgs { 12977 private File codeFile; 12978 private File resourceFile; 12979 12980 // Example topology: 12981 // /data/app/com.example/base.apk 12982 // /data/app/com.example/split_foo.apk 12983 // /data/app/com.example/lib/arm/libfoo.so 12984 // /data/app/com.example/lib/arm64/libfoo.so 12985 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12986 12987 /** New install */ 12988 FileInstallArgs(InstallParams params) { 12989 super(params.origin, params.move, params.observer, params.installFlags, 12990 params.installerPackageName, params.volumeUuid, 12991 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 12992 params.grantedRuntimePermissions, 12993 params.traceMethod, params.traceCookie, params.certificates); 12994 if (isFwdLocked()) { 12995 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12996 } 12997 } 12998 12999 /** Existing install */ 13000 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13001 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13002 null, null, null, 0, null /*certificates*/); 13003 this.codeFile = (codePath != null) ? new File(codePath) : null; 13004 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13005 } 13006 13007 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13008 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13009 try { 13010 return doCopyApk(imcs, temp); 13011 } finally { 13012 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13013 } 13014 } 13015 13016 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13017 if (origin.staged) { 13018 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13019 codeFile = origin.file; 13020 resourceFile = origin.file; 13021 return PackageManager.INSTALL_SUCCEEDED; 13022 } 13023 13024 try { 13025 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13026 final File tempDir = 13027 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13028 codeFile = tempDir; 13029 resourceFile = tempDir; 13030 } catch (IOException e) { 13031 Slog.w(TAG, "Failed to create copy file: " + e); 13032 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13033 } 13034 13035 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13036 @Override 13037 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13038 if (!FileUtils.isValidExtFilename(name)) { 13039 throw new IllegalArgumentException("Invalid filename: " + name); 13040 } 13041 try { 13042 final File file = new File(codeFile, name); 13043 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13044 O_RDWR | O_CREAT, 0644); 13045 Os.chmod(file.getAbsolutePath(), 0644); 13046 return new ParcelFileDescriptor(fd); 13047 } catch (ErrnoException e) { 13048 throw new RemoteException("Failed to open: " + e.getMessage()); 13049 } 13050 } 13051 }; 13052 13053 int ret = PackageManager.INSTALL_SUCCEEDED; 13054 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13055 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13056 Slog.e(TAG, "Failed to copy package"); 13057 return ret; 13058 } 13059 13060 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13061 NativeLibraryHelper.Handle handle = null; 13062 try { 13063 handle = NativeLibraryHelper.Handle.create(codeFile); 13064 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13065 abiOverride); 13066 } catch (IOException e) { 13067 Slog.e(TAG, "Copying native libraries failed", e); 13068 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13069 } finally { 13070 IoUtils.closeQuietly(handle); 13071 } 13072 13073 return ret; 13074 } 13075 13076 int doPreInstall(int status) { 13077 if (status != PackageManager.INSTALL_SUCCEEDED) { 13078 cleanUp(); 13079 } 13080 return status; 13081 } 13082 13083 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13084 if (status != PackageManager.INSTALL_SUCCEEDED) { 13085 cleanUp(); 13086 return false; 13087 } 13088 13089 final File targetDir = codeFile.getParentFile(); 13090 final File beforeCodeFile = codeFile; 13091 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13092 13093 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13094 try { 13095 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13096 } catch (ErrnoException e) { 13097 Slog.w(TAG, "Failed to rename", e); 13098 return false; 13099 } 13100 13101 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13102 Slog.w(TAG, "Failed to restorecon"); 13103 return false; 13104 } 13105 13106 // Reflect the rename internally 13107 codeFile = afterCodeFile; 13108 resourceFile = afterCodeFile; 13109 13110 // Reflect the rename in scanned details 13111 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13112 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13113 afterCodeFile, pkg.baseCodePath)); 13114 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13115 afterCodeFile, pkg.splitCodePaths)); 13116 13117 // Reflect the rename in app info 13118 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13119 pkg.setApplicationInfoCodePath(pkg.codePath); 13120 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13121 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13122 pkg.setApplicationInfoResourcePath(pkg.codePath); 13123 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13124 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13125 13126 return true; 13127 } 13128 13129 int doPostInstall(int status, int uid) { 13130 if (status != PackageManager.INSTALL_SUCCEEDED) { 13131 cleanUp(); 13132 } 13133 return status; 13134 } 13135 13136 @Override 13137 String getCodePath() { 13138 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13139 } 13140 13141 @Override 13142 String getResourcePath() { 13143 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13144 } 13145 13146 private boolean cleanUp() { 13147 if (codeFile == null || !codeFile.exists()) { 13148 return false; 13149 } 13150 13151 removeCodePathLI(codeFile); 13152 13153 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13154 resourceFile.delete(); 13155 } 13156 13157 return true; 13158 } 13159 13160 void cleanUpResourcesLI() { 13161 // Try enumerating all code paths before deleting 13162 List<String> allCodePaths = Collections.EMPTY_LIST; 13163 if (codeFile != null && codeFile.exists()) { 13164 try { 13165 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13166 allCodePaths = pkg.getAllCodePaths(); 13167 } catch (PackageParserException e) { 13168 // Ignored; we tried our best 13169 } 13170 } 13171 13172 cleanUp(); 13173 removeDexFiles(allCodePaths, instructionSets); 13174 } 13175 13176 boolean doPostDeleteLI(boolean delete) { 13177 // XXX err, shouldn't we respect the delete flag? 13178 cleanUpResourcesLI(); 13179 return true; 13180 } 13181 } 13182 13183 private boolean isAsecExternal(String cid) { 13184 final String asecPath = PackageHelper.getSdFilesystem(cid); 13185 return !asecPath.startsWith(mAsecInternalPath); 13186 } 13187 13188 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13189 PackageManagerException { 13190 if (copyRet < 0) { 13191 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13192 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13193 throw new PackageManagerException(copyRet, message); 13194 } 13195 } 13196 } 13197 13198 /** 13199 * Extract the MountService "container ID" from the full code path of an 13200 * .apk. 13201 */ 13202 static String cidFromCodePath(String fullCodePath) { 13203 int eidx = fullCodePath.lastIndexOf("/"); 13204 String subStr1 = fullCodePath.substring(0, eidx); 13205 int sidx = subStr1.lastIndexOf("/"); 13206 return subStr1.substring(sidx+1, eidx); 13207 } 13208 13209 /** 13210 * Logic to handle installation of ASEC applications, including copying and 13211 * renaming logic. 13212 */ 13213 class AsecInstallArgs extends InstallArgs { 13214 static final String RES_FILE_NAME = "pkg.apk"; 13215 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13216 13217 String cid; 13218 String packagePath; 13219 String resourcePath; 13220 13221 /** New install */ 13222 AsecInstallArgs(InstallParams params) { 13223 super(params.origin, params.move, params.observer, params.installFlags, 13224 params.installerPackageName, params.volumeUuid, 13225 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13226 params.grantedRuntimePermissions, 13227 params.traceMethod, params.traceCookie, params.certificates); 13228 } 13229 13230 /** Existing install */ 13231 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13232 boolean isExternal, boolean isForwardLocked) { 13233 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13234 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13235 instructionSets, null, null, null, 0, null /*certificates*/); 13236 // Hackily pretend we're still looking at a full code path 13237 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13238 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13239 } 13240 13241 // Extract cid from fullCodePath 13242 int eidx = fullCodePath.lastIndexOf("/"); 13243 String subStr1 = fullCodePath.substring(0, eidx); 13244 int sidx = subStr1.lastIndexOf("/"); 13245 cid = subStr1.substring(sidx+1, eidx); 13246 setMountPath(subStr1); 13247 } 13248 13249 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13250 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13251 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13252 instructionSets, null, null, null, 0, null /*certificates*/); 13253 this.cid = cid; 13254 setMountPath(PackageHelper.getSdDir(cid)); 13255 } 13256 13257 void createCopyFile() { 13258 cid = mInstallerService.allocateExternalStageCidLegacy(); 13259 } 13260 13261 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13262 if (origin.staged && origin.cid != null) { 13263 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13264 cid = origin.cid; 13265 setMountPath(PackageHelper.getSdDir(cid)); 13266 return PackageManager.INSTALL_SUCCEEDED; 13267 } 13268 13269 if (temp) { 13270 createCopyFile(); 13271 } else { 13272 /* 13273 * Pre-emptively destroy the container since it's destroyed if 13274 * copying fails due to it existing anyway. 13275 */ 13276 PackageHelper.destroySdDir(cid); 13277 } 13278 13279 final String newMountPath = imcs.copyPackageToContainer( 13280 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13281 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13282 13283 if (newMountPath != null) { 13284 setMountPath(newMountPath); 13285 return PackageManager.INSTALL_SUCCEEDED; 13286 } else { 13287 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13288 } 13289 } 13290 13291 @Override 13292 String getCodePath() { 13293 return packagePath; 13294 } 13295 13296 @Override 13297 String getResourcePath() { 13298 return resourcePath; 13299 } 13300 13301 int doPreInstall(int status) { 13302 if (status != PackageManager.INSTALL_SUCCEEDED) { 13303 // Destroy container 13304 PackageHelper.destroySdDir(cid); 13305 } else { 13306 boolean mounted = PackageHelper.isContainerMounted(cid); 13307 if (!mounted) { 13308 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13309 Process.SYSTEM_UID); 13310 if (newMountPath != null) { 13311 setMountPath(newMountPath); 13312 } else { 13313 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13314 } 13315 } 13316 } 13317 return status; 13318 } 13319 13320 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13321 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13322 String newMountPath = null; 13323 if (PackageHelper.isContainerMounted(cid)) { 13324 // Unmount the container 13325 if (!PackageHelper.unMountSdDir(cid)) { 13326 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13327 return false; 13328 } 13329 } 13330 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13331 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13332 " which might be stale. Will try to clean up."); 13333 // Clean up the stale container and proceed to recreate. 13334 if (!PackageHelper.destroySdDir(newCacheId)) { 13335 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13336 return false; 13337 } 13338 // Successfully cleaned up stale container. Try to rename again. 13339 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13340 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13341 + " inspite of cleaning it up."); 13342 return false; 13343 } 13344 } 13345 if (!PackageHelper.isContainerMounted(newCacheId)) { 13346 Slog.w(TAG, "Mounting container " + newCacheId); 13347 newMountPath = PackageHelper.mountSdDir(newCacheId, 13348 getEncryptKey(), Process.SYSTEM_UID); 13349 } else { 13350 newMountPath = PackageHelper.getSdDir(newCacheId); 13351 } 13352 if (newMountPath == null) { 13353 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13354 return false; 13355 } 13356 Log.i(TAG, "Succesfully renamed " + cid + 13357 " to " + newCacheId + 13358 " at new path: " + newMountPath); 13359 cid = newCacheId; 13360 13361 final File beforeCodeFile = new File(packagePath); 13362 setMountPath(newMountPath); 13363 final File afterCodeFile = new File(packagePath); 13364 13365 // Reflect the rename in scanned details 13366 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13367 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13368 afterCodeFile, pkg.baseCodePath)); 13369 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13370 afterCodeFile, pkg.splitCodePaths)); 13371 13372 // Reflect the rename in app info 13373 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13374 pkg.setApplicationInfoCodePath(pkg.codePath); 13375 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13376 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13377 pkg.setApplicationInfoResourcePath(pkg.codePath); 13378 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13379 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13380 13381 return true; 13382 } 13383 13384 private void setMountPath(String mountPath) { 13385 final File mountFile = new File(mountPath); 13386 13387 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13388 if (monolithicFile.exists()) { 13389 packagePath = monolithicFile.getAbsolutePath(); 13390 if (isFwdLocked()) { 13391 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13392 } else { 13393 resourcePath = packagePath; 13394 } 13395 } else { 13396 packagePath = mountFile.getAbsolutePath(); 13397 resourcePath = packagePath; 13398 } 13399 } 13400 13401 int doPostInstall(int status, int uid) { 13402 if (status != PackageManager.INSTALL_SUCCEEDED) { 13403 cleanUp(); 13404 } else { 13405 final int groupOwner; 13406 final String protectedFile; 13407 if (isFwdLocked()) { 13408 groupOwner = UserHandle.getSharedAppGid(uid); 13409 protectedFile = RES_FILE_NAME; 13410 } else { 13411 groupOwner = -1; 13412 protectedFile = null; 13413 } 13414 13415 if (uid < Process.FIRST_APPLICATION_UID 13416 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13417 Slog.e(TAG, "Failed to finalize " + cid); 13418 PackageHelper.destroySdDir(cid); 13419 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13420 } 13421 13422 boolean mounted = PackageHelper.isContainerMounted(cid); 13423 if (!mounted) { 13424 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13425 } 13426 } 13427 return status; 13428 } 13429 13430 private void cleanUp() { 13431 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13432 13433 // Destroy secure container 13434 PackageHelper.destroySdDir(cid); 13435 } 13436 13437 private List<String> getAllCodePaths() { 13438 final File codeFile = new File(getCodePath()); 13439 if (codeFile != null && codeFile.exists()) { 13440 try { 13441 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13442 return pkg.getAllCodePaths(); 13443 } catch (PackageParserException e) { 13444 // Ignored; we tried our best 13445 } 13446 } 13447 return Collections.EMPTY_LIST; 13448 } 13449 13450 void cleanUpResourcesLI() { 13451 // Enumerate all code paths before deleting 13452 cleanUpResourcesLI(getAllCodePaths()); 13453 } 13454 13455 private void cleanUpResourcesLI(List<String> allCodePaths) { 13456 cleanUp(); 13457 removeDexFiles(allCodePaths, instructionSets); 13458 } 13459 13460 String getPackageName() { 13461 return getAsecPackageName(cid); 13462 } 13463 13464 boolean doPostDeleteLI(boolean delete) { 13465 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13466 final List<String> allCodePaths = getAllCodePaths(); 13467 boolean mounted = PackageHelper.isContainerMounted(cid); 13468 if (mounted) { 13469 // Unmount first 13470 if (PackageHelper.unMountSdDir(cid)) { 13471 mounted = false; 13472 } 13473 } 13474 if (!mounted && delete) { 13475 cleanUpResourcesLI(allCodePaths); 13476 } 13477 return !mounted; 13478 } 13479 13480 @Override 13481 int doPreCopy() { 13482 if (isFwdLocked()) { 13483 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13484 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13485 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13486 } 13487 } 13488 13489 return PackageManager.INSTALL_SUCCEEDED; 13490 } 13491 13492 @Override 13493 int doPostCopy(int uid) { 13494 if (isFwdLocked()) { 13495 if (uid < Process.FIRST_APPLICATION_UID 13496 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13497 RES_FILE_NAME)) { 13498 Slog.e(TAG, "Failed to finalize " + cid); 13499 PackageHelper.destroySdDir(cid); 13500 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13501 } 13502 } 13503 13504 return PackageManager.INSTALL_SUCCEEDED; 13505 } 13506 } 13507 13508 /** 13509 * Logic to handle movement of existing installed applications. 13510 */ 13511 class MoveInstallArgs extends InstallArgs { 13512 private File codeFile; 13513 private File resourceFile; 13514 13515 /** New install */ 13516 MoveInstallArgs(InstallParams params) { 13517 super(params.origin, params.move, params.observer, params.installFlags, 13518 params.installerPackageName, params.volumeUuid, 13519 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13520 params.grantedRuntimePermissions, 13521 params.traceMethod, params.traceCookie, params.certificates); 13522 } 13523 13524 int copyApk(IMediaContainerService imcs, boolean temp) { 13525 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13526 + move.fromUuid + " to " + move.toUuid); 13527 synchronized (mInstaller) { 13528 try { 13529 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13530 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13531 } catch (InstallerException e) { 13532 Slog.w(TAG, "Failed to move app", e); 13533 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13534 } 13535 } 13536 13537 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13538 resourceFile = codeFile; 13539 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13540 13541 return PackageManager.INSTALL_SUCCEEDED; 13542 } 13543 13544 int doPreInstall(int status) { 13545 if (status != PackageManager.INSTALL_SUCCEEDED) { 13546 cleanUp(move.toUuid); 13547 } 13548 return status; 13549 } 13550 13551 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13552 if (status != PackageManager.INSTALL_SUCCEEDED) { 13553 cleanUp(move.toUuid); 13554 return false; 13555 } 13556 13557 // Reflect the move in app info 13558 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13559 pkg.setApplicationInfoCodePath(pkg.codePath); 13560 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13561 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13562 pkg.setApplicationInfoResourcePath(pkg.codePath); 13563 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13564 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13565 13566 return true; 13567 } 13568 13569 int doPostInstall(int status, int uid) { 13570 if (status == PackageManager.INSTALL_SUCCEEDED) { 13571 cleanUp(move.fromUuid); 13572 } else { 13573 cleanUp(move.toUuid); 13574 } 13575 return status; 13576 } 13577 13578 @Override 13579 String getCodePath() { 13580 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13581 } 13582 13583 @Override 13584 String getResourcePath() { 13585 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13586 } 13587 13588 private boolean cleanUp(String volumeUuid) { 13589 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13590 move.dataAppName); 13591 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13592 final int[] userIds = sUserManager.getUserIds(); 13593 synchronized (mInstallLock) { 13594 // Clean up both app data and code 13595 // All package moves are frozen until finished 13596 for (int userId : userIds) { 13597 try { 13598 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13599 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13600 } catch (InstallerException e) { 13601 Slog.w(TAG, String.valueOf(e)); 13602 } 13603 } 13604 removeCodePathLI(codeFile); 13605 } 13606 return true; 13607 } 13608 13609 void cleanUpResourcesLI() { 13610 throw new UnsupportedOperationException(); 13611 } 13612 13613 boolean doPostDeleteLI(boolean delete) { 13614 throw new UnsupportedOperationException(); 13615 } 13616 } 13617 13618 static String getAsecPackageName(String packageCid) { 13619 int idx = packageCid.lastIndexOf("-"); 13620 if (idx == -1) { 13621 return packageCid; 13622 } 13623 return packageCid.substring(0, idx); 13624 } 13625 13626 // Utility method used to create code paths based on package name and available index. 13627 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13628 String idxStr = ""; 13629 int idx = 1; 13630 // Fall back to default value of idx=1 if prefix is not 13631 // part of oldCodePath 13632 if (oldCodePath != null) { 13633 String subStr = oldCodePath; 13634 // Drop the suffix right away 13635 if (suffix != null && subStr.endsWith(suffix)) { 13636 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13637 } 13638 // If oldCodePath already contains prefix find out the 13639 // ending index to either increment or decrement. 13640 int sidx = subStr.lastIndexOf(prefix); 13641 if (sidx != -1) { 13642 subStr = subStr.substring(sidx + prefix.length()); 13643 if (subStr != null) { 13644 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13645 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13646 } 13647 try { 13648 idx = Integer.parseInt(subStr); 13649 if (idx <= 1) { 13650 idx++; 13651 } else { 13652 idx--; 13653 } 13654 } catch(NumberFormatException e) { 13655 } 13656 } 13657 } 13658 } 13659 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13660 return prefix + idxStr; 13661 } 13662 13663 private File getNextCodePath(File targetDir, String packageName) { 13664 int suffix = 1; 13665 File result; 13666 do { 13667 result = new File(targetDir, packageName + "-" + suffix); 13668 suffix++; 13669 } while (result.exists()); 13670 return result; 13671 } 13672 13673 // Utility method that returns the relative package path with respect 13674 // to the installation directory. Like say for /data/data/com.test-1.apk 13675 // string com.test-1 is returned. 13676 static String deriveCodePathName(String codePath) { 13677 if (codePath == null) { 13678 return null; 13679 } 13680 final File codeFile = new File(codePath); 13681 final String name = codeFile.getName(); 13682 if (codeFile.isDirectory()) { 13683 return name; 13684 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13685 final int lastDot = name.lastIndexOf('.'); 13686 return name.substring(0, lastDot); 13687 } else { 13688 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13689 return null; 13690 } 13691 } 13692 13693 static class PackageInstalledInfo { 13694 String name; 13695 int uid; 13696 // The set of users that originally had this package installed. 13697 int[] origUsers; 13698 // The set of users that now have this package installed. 13699 int[] newUsers; 13700 PackageParser.Package pkg; 13701 int returnCode; 13702 String returnMsg; 13703 PackageRemovedInfo removedInfo; 13704 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13705 13706 public void setError(int code, String msg) { 13707 setReturnCode(code); 13708 setReturnMessage(msg); 13709 Slog.w(TAG, msg); 13710 } 13711 13712 public void setError(String msg, PackageParserException e) { 13713 setReturnCode(e.error); 13714 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13715 Slog.w(TAG, msg, e); 13716 } 13717 13718 public void setError(String msg, PackageManagerException e) { 13719 returnCode = e.error; 13720 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13721 Slog.w(TAG, msg, e); 13722 } 13723 13724 public void setReturnCode(int returnCode) { 13725 this.returnCode = returnCode; 13726 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13727 for (int i = 0; i < childCount; i++) { 13728 addedChildPackages.valueAt(i).returnCode = returnCode; 13729 } 13730 } 13731 13732 private void setReturnMessage(String returnMsg) { 13733 this.returnMsg = returnMsg; 13734 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13735 for (int i = 0; i < childCount; i++) { 13736 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13737 } 13738 } 13739 13740 // In some error cases we want to convey more info back to the observer 13741 String origPackage; 13742 String origPermission; 13743 } 13744 13745 /* 13746 * Install a non-existing package. 13747 */ 13748 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13749 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13750 PackageInstalledInfo res) { 13751 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13752 13753 // Remember this for later, in case we need to rollback this install 13754 String pkgName = pkg.packageName; 13755 13756 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13757 13758 synchronized(mPackages) { 13759 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13760 // A package with the same name is already installed, though 13761 // it has been renamed to an older name. The package we 13762 // are trying to install should be installed as an update to 13763 // the existing one, but that has not been requested, so bail. 13764 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13765 + " without first uninstalling package running as " 13766 + mSettings.mRenamedPackages.get(pkgName)); 13767 return; 13768 } 13769 if (mPackages.containsKey(pkgName)) { 13770 // Don't allow installation over an existing package with the same name. 13771 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13772 + " without first uninstalling."); 13773 return; 13774 } 13775 } 13776 13777 try { 13778 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13779 System.currentTimeMillis(), user); 13780 13781 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13782 13783 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13784 prepareAppDataAfterInstallLIF(newPackage); 13785 13786 } else { 13787 // Remove package from internal structures, but keep around any 13788 // data that might have already existed 13789 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13790 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13791 } 13792 } catch (PackageManagerException e) { 13793 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13794 } 13795 13796 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13797 } 13798 13799 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13800 // Can't rotate keys during boot or if sharedUser. 13801 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13802 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13803 return false; 13804 } 13805 // app is using upgradeKeySets; make sure all are valid 13806 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13807 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13808 for (int i = 0; i < upgradeKeySets.length; i++) { 13809 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13810 Slog.wtf(TAG, "Package " 13811 + (oldPs.name != null ? oldPs.name : "<null>") 13812 + " contains upgrade-key-set reference to unknown key-set: " 13813 + upgradeKeySets[i] 13814 + " reverting to signatures check."); 13815 return false; 13816 } 13817 } 13818 return true; 13819 } 13820 13821 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13822 // Upgrade keysets are being used. Determine if new package has a superset of the 13823 // required keys. 13824 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13825 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13826 for (int i = 0; i < upgradeKeySets.length; i++) { 13827 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13828 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13829 return true; 13830 } 13831 } 13832 return false; 13833 } 13834 13835 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13836 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13837 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13838 13839 final PackageParser.Package oldPackage; 13840 final String pkgName = pkg.packageName; 13841 final int[] allUsers; 13842 final int[] installedUsers; 13843 13844 synchronized(mPackages) { 13845 oldPackage = mPackages.get(pkgName); 13846 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13847 13848 // don't allow upgrade to target a release SDK from a pre-release SDK 13849 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13850 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13851 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13852 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13853 if (oldTargetsPreRelease 13854 && !newTargetsPreRelease 13855 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13856 Slog.w(TAG, "Can't install package targeting released sdk"); 13857 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13858 return; 13859 } 13860 13861 // don't allow an upgrade from full to ephemeral 13862 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13863 if (isEphemeral && !oldIsEphemeral) { 13864 // can't downgrade from full to ephemeral 13865 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13866 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13867 return; 13868 } 13869 13870 // verify signatures are valid 13871 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13872 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13873 if (!checkUpgradeKeySetLP(ps, pkg)) { 13874 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13875 "New package not signed by keys specified by upgrade-keysets: " 13876 + pkgName); 13877 return; 13878 } 13879 } else { 13880 // default to original signature matching 13881 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13882 != PackageManager.SIGNATURE_MATCH) { 13883 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13884 "New package has a different signature: " + pkgName); 13885 return; 13886 } 13887 } 13888 13889 // Check for shared user id changes 13890 String invalidPackageName = 13891 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13892 if (invalidPackageName != null) { 13893 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13894 "Package " + invalidPackageName + " tried to change user " 13895 + oldPackage.mSharedUserId); 13896 return; 13897 } 13898 13899 // In case of rollback, remember per-user/profile install state 13900 allUsers = sUserManager.getUserIds(); 13901 installedUsers = ps.queryInstalledUsers(allUsers, true); 13902 } 13903 13904 // Update what is removed 13905 res.removedInfo = new PackageRemovedInfo(); 13906 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13907 res.removedInfo.removedPackage = oldPackage.packageName; 13908 res.removedInfo.isUpdate = true; 13909 res.removedInfo.origUsers = installedUsers; 13910 final int childCount = (oldPackage.childPackages != null) 13911 ? oldPackage.childPackages.size() : 0; 13912 for (int i = 0; i < childCount; i++) { 13913 boolean childPackageUpdated = false; 13914 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13915 if (res.addedChildPackages != null) { 13916 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13917 if (childRes != null) { 13918 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13919 childRes.removedInfo.removedPackage = childPkg.packageName; 13920 childRes.removedInfo.isUpdate = true; 13921 childPackageUpdated = true; 13922 } 13923 } 13924 if (!childPackageUpdated) { 13925 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13926 childRemovedRes.removedPackage = childPkg.packageName; 13927 childRemovedRes.isUpdate = false; 13928 childRemovedRes.dataRemoved = true; 13929 synchronized (mPackages) { 13930 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13931 if (childPs != null) { 13932 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13933 } 13934 } 13935 if (res.removedInfo.removedChildPackages == null) { 13936 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13937 } 13938 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13939 } 13940 } 13941 13942 boolean sysPkg = (isSystemApp(oldPackage)); 13943 if (sysPkg) { 13944 // Set the system/privileged flags as needed 13945 final boolean privileged = 13946 (oldPackage.applicationInfo.privateFlags 13947 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13948 final int systemPolicyFlags = policyFlags 13949 | PackageParser.PARSE_IS_SYSTEM 13950 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 13951 13952 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 13953 user, allUsers, installerPackageName, res); 13954 } else { 13955 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 13956 user, allUsers, installerPackageName, res); 13957 } 13958 } 13959 13960 public List<String> getPreviousCodePaths(String packageName) { 13961 final PackageSetting ps = mSettings.mPackages.get(packageName); 13962 final List<String> result = new ArrayList<String>(); 13963 if (ps != null && ps.oldCodePaths != null) { 13964 result.addAll(ps.oldCodePaths); 13965 } 13966 return result; 13967 } 13968 13969 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 13970 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 13971 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13972 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13973 + deletedPackage); 13974 13975 String pkgName = deletedPackage.packageName; 13976 boolean deletedPkg = true; 13977 boolean addedPkg = false; 13978 boolean updatedSettings = false; 13979 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13980 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13981 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13982 13983 final long origUpdateTime = (pkg.mExtras != null) 13984 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13985 13986 // First delete the existing package while retaining the data directory 13987 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13988 res.removedInfo, true, pkg)) { 13989 // If the existing package wasn't successfully deleted 13990 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13991 deletedPkg = false; 13992 } else { 13993 // Successfully deleted the old package; proceed with replace. 13994 13995 // If deleted package lived in a container, give users a chance to 13996 // relinquish resources before killing. 13997 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13998 if (DEBUG_INSTALL) { 13999 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14000 } 14001 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14002 final ArrayList<String> pkgList = new ArrayList<String>(1); 14003 pkgList.add(deletedPackage.applicationInfo.packageName); 14004 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14005 } 14006 14007 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14008 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14009 clearAppProfilesLIF(pkg); 14010 14011 try { 14012 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14013 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14014 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14015 14016 // Update the in-memory copy of the previous code paths. 14017 PackageSetting ps = mSettings.mPackages.get(pkgName); 14018 if (!killApp) { 14019 if (ps.oldCodePaths == null) { 14020 ps.oldCodePaths = new ArraySet<>(); 14021 } 14022 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14023 if (deletedPackage.splitCodePaths != null) { 14024 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14025 } 14026 } else { 14027 ps.oldCodePaths = null; 14028 } 14029 if (ps.childPackageNames != null) { 14030 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14031 final String childPkgName = ps.childPackageNames.get(i); 14032 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14033 childPs.oldCodePaths = ps.oldCodePaths; 14034 } 14035 } 14036 prepareAppDataAfterInstallLIF(newPackage); 14037 addedPkg = true; 14038 } catch (PackageManagerException e) { 14039 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14040 } 14041 } 14042 14043 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14044 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14045 14046 // Revert all internal state mutations and added folders for the failed install 14047 if (addedPkg) { 14048 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14049 res.removedInfo, true, null); 14050 } 14051 14052 // Restore the old package 14053 if (deletedPkg) { 14054 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14055 File restoreFile = new File(deletedPackage.codePath); 14056 // Parse old package 14057 boolean oldExternal = isExternal(deletedPackage); 14058 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14059 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14060 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14061 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14062 try { 14063 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14064 null); 14065 } catch (PackageManagerException e) { 14066 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14067 + e.getMessage()); 14068 return; 14069 } 14070 14071 synchronized (mPackages) { 14072 // Ensure the installer package name up to date 14073 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14074 14075 // Update permissions for restored package 14076 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14077 14078 mSettings.writeLPr(); 14079 } 14080 14081 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14082 } 14083 } else { 14084 synchronized (mPackages) { 14085 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14086 if (ps != null) { 14087 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14088 if (res.removedInfo.removedChildPackages != null) { 14089 final int childCount = res.removedInfo.removedChildPackages.size(); 14090 // Iterate in reverse as we may modify the collection 14091 for (int i = childCount - 1; i >= 0; i--) { 14092 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14093 if (res.addedChildPackages.containsKey(childPackageName)) { 14094 res.removedInfo.removedChildPackages.removeAt(i); 14095 } else { 14096 PackageRemovedInfo childInfo = res.removedInfo 14097 .removedChildPackages.valueAt(i); 14098 childInfo.removedForAllUsers = mPackages.get( 14099 childInfo.removedPackage) == null; 14100 } 14101 } 14102 } 14103 } 14104 } 14105 } 14106 } 14107 14108 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14109 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14110 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14111 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14112 + ", old=" + deletedPackage); 14113 14114 final boolean disabledSystem; 14115 14116 // Remove existing system package 14117 removePackageLI(deletedPackage, true); 14118 14119 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14120 if (!disabledSystem) { 14121 // We didn't need to disable the .apk as a current system package, 14122 // which means we are replacing another update that is already 14123 // installed. We need to make sure to delete the older one's .apk. 14124 res.removedInfo.args = createInstallArgsForExisting(0, 14125 deletedPackage.applicationInfo.getCodePath(), 14126 deletedPackage.applicationInfo.getResourcePath(), 14127 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14128 } else { 14129 res.removedInfo.args = null; 14130 } 14131 14132 // Successfully disabled the old package. Now proceed with re-installation 14133 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14134 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14135 clearAppProfilesLIF(pkg); 14136 14137 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14138 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14139 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14140 14141 PackageParser.Package newPackage = null; 14142 try { 14143 // Add the package to the internal data structures 14144 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14145 14146 // Set the update and install times 14147 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14148 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14149 System.currentTimeMillis()); 14150 14151 // Update the package dynamic state if succeeded 14152 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14153 // Now that the install succeeded make sure we remove data 14154 // directories for any child package the update removed. 14155 final int deletedChildCount = (deletedPackage.childPackages != null) 14156 ? deletedPackage.childPackages.size() : 0; 14157 final int newChildCount = (newPackage.childPackages != null) 14158 ? newPackage.childPackages.size() : 0; 14159 for (int i = 0; i < deletedChildCount; i++) { 14160 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14161 boolean childPackageDeleted = true; 14162 for (int j = 0; j < newChildCount; j++) { 14163 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14164 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14165 childPackageDeleted = false; 14166 break; 14167 } 14168 } 14169 if (childPackageDeleted) { 14170 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14171 deletedChildPkg.packageName); 14172 if (ps != null && res.removedInfo.removedChildPackages != null) { 14173 PackageRemovedInfo removedChildRes = res.removedInfo 14174 .removedChildPackages.get(deletedChildPkg.packageName); 14175 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14176 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14177 } 14178 } 14179 } 14180 14181 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14182 prepareAppDataAfterInstallLIF(newPackage); 14183 } 14184 } catch (PackageManagerException e) { 14185 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14186 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14187 } 14188 14189 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14190 // Re installation failed. Restore old information 14191 // Remove new pkg information 14192 if (newPackage != null) { 14193 removeInstalledPackageLI(newPackage, true); 14194 } 14195 // Add back the old system package 14196 try { 14197 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14198 } catch (PackageManagerException e) { 14199 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14200 } 14201 14202 synchronized (mPackages) { 14203 if (disabledSystem) { 14204 enableSystemPackageLPw(deletedPackage); 14205 } 14206 14207 // Ensure the installer package name up to date 14208 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14209 14210 // Update permissions for restored package 14211 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14212 14213 mSettings.writeLPr(); 14214 } 14215 14216 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14217 + " after failed upgrade"); 14218 } 14219 } 14220 14221 /** 14222 * Checks whether the parent or any of the child packages have a change shared 14223 * user. For a package to be a valid update the shred users of the parent and 14224 * the children should match. We may later support changing child shared users. 14225 * @param oldPkg The updated package. 14226 * @param newPkg The update package. 14227 * @return The shared user that change between the versions. 14228 */ 14229 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14230 PackageParser.Package newPkg) { 14231 // Check parent shared user 14232 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14233 return newPkg.packageName; 14234 } 14235 // Check child shared users 14236 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14237 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14238 for (int i = 0; i < newChildCount; i++) { 14239 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14240 // If this child was present, did it have the same shared user? 14241 for (int j = 0; j < oldChildCount; j++) { 14242 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14243 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14244 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14245 return newChildPkg.packageName; 14246 } 14247 } 14248 } 14249 return null; 14250 } 14251 14252 private void removeNativeBinariesLI(PackageSetting ps) { 14253 // Remove the lib path for the parent package 14254 if (ps != null) { 14255 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14256 // Remove the lib path for the child packages 14257 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14258 for (int i = 0; i < childCount; i++) { 14259 PackageSetting childPs = null; 14260 synchronized (mPackages) { 14261 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14262 } 14263 if (childPs != null) { 14264 NativeLibraryHelper.removeNativeBinariesLI(childPs 14265 .legacyNativeLibraryPathString); 14266 } 14267 } 14268 } 14269 } 14270 14271 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14272 // Enable the parent package 14273 mSettings.enableSystemPackageLPw(pkg.packageName); 14274 // Enable the child packages 14275 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14276 for (int i = 0; i < childCount; i++) { 14277 PackageParser.Package childPkg = pkg.childPackages.get(i); 14278 mSettings.enableSystemPackageLPw(childPkg.packageName); 14279 } 14280 } 14281 14282 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14283 PackageParser.Package newPkg) { 14284 // Disable the parent package (parent always replaced) 14285 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14286 // Disable the child packages 14287 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14288 for (int i = 0; i < childCount; i++) { 14289 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14290 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14291 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14292 } 14293 return disabled; 14294 } 14295 14296 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14297 String installerPackageName) { 14298 // Enable the parent package 14299 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14300 // Enable the child packages 14301 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14302 for (int i = 0; i < childCount; i++) { 14303 PackageParser.Package childPkg = pkg.childPackages.get(i); 14304 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14305 } 14306 } 14307 14308 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14309 // Collect all used permissions in the UID 14310 ArraySet<String> usedPermissions = new ArraySet<>(); 14311 final int packageCount = su.packages.size(); 14312 for (int i = 0; i < packageCount; i++) { 14313 PackageSetting ps = su.packages.valueAt(i); 14314 if (ps.pkg == null) { 14315 continue; 14316 } 14317 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14318 for (int j = 0; j < requestedPermCount; j++) { 14319 String permission = ps.pkg.requestedPermissions.get(j); 14320 BasePermission bp = mSettings.mPermissions.get(permission); 14321 if (bp != null) { 14322 usedPermissions.add(permission); 14323 } 14324 } 14325 } 14326 14327 PermissionsState permissionsState = su.getPermissionsState(); 14328 // Prune install permissions 14329 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14330 final int installPermCount = installPermStates.size(); 14331 for (int i = installPermCount - 1; i >= 0; i--) { 14332 PermissionState permissionState = installPermStates.get(i); 14333 if (!usedPermissions.contains(permissionState.getName())) { 14334 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14335 if (bp != null) { 14336 permissionsState.revokeInstallPermission(bp); 14337 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14338 PackageManager.MASK_PERMISSION_FLAGS, 0); 14339 } 14340 } 14341 } 14342 14343 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14344 14345 // Prune runtime permissions 14346 for (int userId : allUserIds) { 14347 List<PermissionState> runtimePermStates = permissionsState 14348 .getRuntimePermissionStates(userId); 14349 final int runtimePermCount = runtimePermStates.size(); 14350 for (int i = runtimePermCount - 1; i >= 0; i--) { 14351 PermissionState permissionState = runtimePermStates.get(i); 14352 if (!usedPermissions.contains(permissionState.getName())) { 14353 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14354 if (bp != null) { 14355 permissionsState.revokeRuntimePermission(bp, userId); 14356 permissionsState.updatePermissionFlags(bp, userId, 14357 PackageManager.MASK_PERMISSION_FLAGS, 0); 14358 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14359 runtimePermissionChangedUserIds, userId); 14360 } 14361 } 14362 } 14363 } 14364 14365 return runtimePermissionChangedUserIds; 14366 } 14367 14368 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14369 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14370 // Update the parent package setting 14371 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14372 res, user); 14373 // Update the child packages setting 14374 final int childCount = (newPackage.childPackages != null) 14375 ? newPackage.childPackages.size() : 0; 14376 for (int i = 0; i < childCount; i++) { 14377 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14378 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14379 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14380 childRes.origUsers, childRes, user); 14381 } 14382 } 14383 14384 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14385 String installerPackageName, int[] allUsers, int[] installedForUsers, 14386 PackageInstalledInfo res, UserHandle user) { 14387 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14388 14389 String pkgName = newPackage.packageName; 14390 synchronized (mPackages) { 14391 //write settings. the installStatus will be incomplete at this stage. 14392 //note that the new package setting would have already been 14393 //added to mPackages. It hasn't been persisted yet. 14394 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14395 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14396 mSettings.writeLPr(); 14397 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14398 } 14399 14400 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14401 synchronized (mPackages) { 14402 updatePermissionsLPw(newPackage.packageName, newPackage, 14403 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14404 ? UPDATE_PERMISSIONS_ALL : 0)); 14405 // For system-bundled packages, we assume that installing an upgraded version 14406 // of the package implies that the user actually wants to run that new code, 14407 // so we enable the package. 14408 PackageSetting ps = mSettings.mPackages.get(pkgName); 14409 final int userId = user.getIdentifier(); 14410 if (ps != null) { 14411 if (isSystemApp(newPackage)) { 14412 if (DEBUG_INSTALL) { 14413 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14414 } 14415 // Enable system package for requested users 14416 if (res.origUsers != null) { 14417 for (int origUserId : res.origUsers) { 14418 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14419 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14420 origUserId, installerPackageName); 14421 } 14422 } 14423 } 14424 // Also convey the prior install/uninstall state 14425 if (allUsers != null && installedForUsers != null) { 14426 for (int currentUserId : allUsers) { 14427 final boolean installed = ArrayUtils.contains( 14428 installedForUsers, currentUserId); 14429 if (DEBUG_INSTALL) { 14430 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14431 } 14432 ps.setInstalled(installed, currentUserId); 14433 } 14434 // these install state changes will be persisted in the 14435 // upcoming call to mSettings.writeLPr(). 14436 } 14437 } 14438 // It's implied that when a user requests installation, they want the app to be 14439 // installed and enabled. 14440 if (userId != UserHandle.USER_ALL) { 14441 ps.setInstalled(true, userId); 14442 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14443 } 14444 } 14445 res.name = pkgName; 14446 res.uid = newPackage.applicationInfo.uid; 14447 res.pkg = newPackage; 14448 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14449 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14450 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14451 //to update install status 14452 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14453 mSettings.writeLPr(); 14454 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14455 } 14456 14457 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14458 } 14459 14460 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14461 try { 14462 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14463 installPackageLI(args, res); 14464 } finally { 14465 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14466 } 14467 } 14468 14469 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14470 final int installFlags = args.installFlags; 14471 final String installerPackageName = args.installerPackageName; 14472 final String volumeUuid = args.volumeUuid; 14473 final File tmpPackageFile = new File(args.getCodePath()); 14474 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14475 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14476 || (args.volumeUuid != null)); 14477 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14478 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14479 boolean replace = false; 14480 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14481 if (args.move != null) { 14482 // moving a complete application; perform an initial scan on the new install location 14483 scanFlags |= SCAN_INITIAL; 14484 } 14485 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14486 scanFlags |= SCAN_DONT_KILL_APP; 14487 } 14488 14489 // Result object to be returned 14490 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14491 14492 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14493 14494 // Sanity check 14495 if (ephemeral && (forwardLocked || onExternal)) { 14496 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14497 + " external=" + onExternal); 14498 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14499 return; 14500 } 14501 14502 // Retrieve PackageSettings and parse package 14503 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14504 | PackageParser.PARSE_ENFORCE_CODE 14505 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14506 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14507 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14508 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14509 PackageParser pp = new PackageParser(); 14510 pp.setSeparateProcesses(mSeparateProcesses); 14511 pp.setDisplayMetrics(mMetrics); 14512 14513 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14514 final PackageParser.Package pkg; 14515 try { 14516 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14517 } catch (PackageParserException e) { 14518 res.setError("Failed parse during installPackageLI", e); 14519 return; 14520 } finally { 14521 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14522 } 14523 14524 // If we are installing a clustered package add results for the children 14525 if (pkg.childPackages != null) { 14526 synchronized (mPackages) { 14527 final int childCount = pkg.childPackages.size(); 14528 for (int i = 0; i < childCount; i++) { 14529 PackageParser.Package childPkg = pkg.childPackages.get(i); 14530 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14531 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14532 childRes.pkg = childPkg; 14533 childRes.name = childPkg.packageName; 14534 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14535 if (childPs != null) { 14536 childRes.origUsers = childPs.queryInstalledUsers( 14537 sUserManager.getUserIds(), true); 14538 } 14539 if ((mPackages.containsKey(childPkg.packageName))) { 14540 childRes.removedInfo = new PackageRemovedInfo(); 14541 childRes.removedInfo.removedPackage = childPkg.packageName; 14542 } 14543 if (res.addedChildPackages == null) { 14544 res.addedChildPackages = new ArrayMap<>(); 14545 } 14546 res.addedChildPackages.put(childPkg.packageName, childRes); 14547 } 14548 } 14549 } 14550 14551 // If package doesn't declare API override, mark that we have an install 14552 // time CPU ABI override. 14553 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14554 pkg.cpuAbiOverride = args.abiOverride; 14555 } 14556 14557 String pkgName = res.name = pkg.packageName; 14558 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14559 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14560 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14561 return; 14562 } 14563 } 14564 14565 try { 14566 // either use what we've been given or parse directly from the APK 14567 if (args.certificates != null) { 14568 try { 14569 PackageParser.populateCertificates(pkg, args.certificates); 14570 } catch (PackageParserException e) { 14571 // there was something wrong with the certificates we were given; 14572 // try to pull them from the APK 14573 PackageParser.collectCertificates(pkg, parseFlags); 14574 } 14575 } else { 14576 PackageParser.collectCertificates(pkg, parseFlags); 14577 } 14578 } catch (PackageParserException e) { 14579 res.setError("Failed collect during installPackageLI", e); 14580 return; 14581 } 14582 14583 // Get rid of all references to package scan path via parser. 14584 pp = null; 14585 String oldCodePath = null; 14586 boolean systemApp = false; 14587 synchronized (mPackages) { 14588 // Check if installing already existing package 14589 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14590 String oldName = mSettings.mRenamedPackages.get(pkgName); 14591 if (pkg.mOriginalPackages != null 14592 && pkg.mOriginalPackages.contains(oldName) 14593 && mPackages.containsKey(oldName)) { 14594 // This package is derived from an original package, 14595 // and this device has been updating from that original 14596 // name. We must continue using the original name, so 14597 // rename the new package here. 14598 pkg.setPackageName(oldName); 14599 pkgName = pkg.packageName; 14600 replace = true; 14601 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14602 + oldName + " pkgName=" + pkgName); 14603 } else if (mPackages.containsKey(pkgName)) { 14604 // This package, under its official name, already exists 14605 // on the device; we should replace it. 14606 replace = true; 14607 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14608 } 14609 14610 // Child packages are installed through the parent package 14611 if (pkg.parentPackage != null) { 14612 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14613 "Package " + pkg.packageName + " is child of package " 14614 + pkg.parentPackage.parentPackage + ". Child packages " 14615 + "can be updated only through the parent package."); 14616 return; 14617 } 14618 14619 if (replace) { 14620 // Prevent apps opting out from runtime permissions 14621 PackageParser.Package oldPackage = mPackages.get(pkgName); 14622 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14623 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14624 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14625 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14626 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14627 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14628 + " doesn't support runtime permissions but the old" 14629 + " target SDK " + oldTargetSdk + " does."); 14630 return; 14631 } 14632 14633 // Prevent installing of child packages 14634 if (oldPackage.parentPackage != null) { 14635 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14636 "Package " + pkg.packageName + " is child of package " 14637 + oldPackage.parentPackage + ". Child packages " 14638 + "can be updated only through the parent package."); 14639 return; 14640 } 14641 } 14642 } 14643 14644 PackageSetting ps = mSettings.mPackages.get(pkgName); 14645 if (ps != null) { 14646 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14647 14648 // Quick sanity check that we're signed correctly if updating; 14649 // we'll check this again later when scanning, but we want to 14650 // bail early here before tripping over redefined permissions. 14651 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14652 if (!checkUpgradeKeySetLP(ps, pkg)) { 14653 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14654 + pkg.packageName + " upgrade keys do not match the " 14655 + "previously installed version"); 14656 return; 14657 } 14658 } else { 14659 try { 14660 verifySignaturesLP(ps, pkg); 14661 } catch (PackageManagerException e) { 14662 res.setError(e.error, e.getMessage()); 14663 return; 14664 } 14665 } 14666 14667 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14668 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14669 systemApp = (ps.pkg.applicationInfo.flags & 14670 ApplicationInfo.FLAG_SYSTEM) != 0; 14671 } 14672 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14673 } 14674 14675 // Check whether the newly-scanned package wants to define an already-defined perm 14676 int N = pkg.permissions.size(); 14677 for (int i = N-1; i >= 0; i--) { 14678 PackageParser.Permission perm = pkg.permissions.get(i); 14679 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14680 if (bp != null) { 14681 // If the defining package is signed with our cert, it's okay. This 14682 // also includes the "updating the same package" case, of course. 14683 // "updating same package" could also involve key-rotation. 14684 final boolean sigsOk; 14685 if (bp.sourcePackage.equals(pkg.packageName) 14686 && (bp.packageSetting instanceof PackageSetting) 14687 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14688 scanFlags))) { 14689 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14690 } else { 14691 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14692 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14693 } 14694 if (!sigsOk) { 14695 // If the owning package is the system itself, we log but allow 14696 // install to proceed; we fail the install on all other permission 14697 // redefinitions. 14698 if (!bp.sourcePackage.equals("android")) { 14699 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14700 + pkg.packageName + " attempting to redeclare permission " 14701 + perm.info.name + " already owned by " + bp.sourcePackage); 14702 res.origPermission = perm.info.name; 14703 res.origPackage = bp.sourcePackage; 14704 return; 14705 } else { 14706 Slog.w(TAG, "Package " + pkg.packageName 14707 + " attempting to redeclare system permission " 14708 + perm.info.name + "; ignoring new declaration"); 14709 pkg.permissions.remove(i); 14710 } 14711 } 14712 } 14713 } 14714 } 14715 14716 if (systemApp) { 14717 if (onExternal) { 14718 // Abort update; system app can't be replaced with app on sdcard 14719 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14720 "Cannot install updates to system apps on sdcard"); 14721 return; 14722 } else if (ephemeral) { 14723 // Abort update; system app can't be replaced with an ephemeral app 14724 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14725 "Cannot update a system app with an ephemeral app"); 14726 return; 14727 } 14728 } 14729 14730 if (args.move != null) { 14731 // We did an in-place move, so dex is ready to roll 14732 scanFlags |= SCAN_NO_DEX; 14733 scanFlags |= SCAN_MOVE; 14734 14735 synchronized (mPackages) { 14736 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14737 if (ps == null) { 14738 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14739 "Missing settings for moved package " + pkgName); 14740 } 14741 14742 // We moved the entire application as-is, so bring over the 14743 // previously derived ABI information. 14744 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14745 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14746 } 14747 14748 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14749 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14750 scanFlags |= SCAN_NO_DEX; 14751 14752 try { 14753 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14754 args.abiOverride : pkg.cpuAbiOverride); 14755 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14756 true /* extract libs */); 14757 } catch (PackageManagerException pme) { 14758 Slog.e(TAG, "Error deriving application ABI", pme); 14759 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14760 return; 14761 } 14762 14763 // Shared libraries for the package need to be updated. 14764 synchronized (mPackages) { 14765 try { 14766 updateSharedLibrariesLPw(pkg, null); 14767 } catch (PackageManagerException e) { 14768 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14769 } 14770 } 14771 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14772 // Do not run PackageDexOptimizer through the local performDexOpt 14773 // method because `pkg` is not in `mPackages` yet. 14774 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14775 null /* instructionSets */, false /* checkProfiles */, 14776 getCompilerFilterForReason(REASON_INSTALL)); 14777 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14778 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14779 String msg = "Extracting package failed for " + pkgName; 14780 res.setError(INSTALL_FAILED_DEXOPT, msg); 14781 return; 14782 } 14783 14784 // Notify BackgroundDexOptService that the package has been changed. 14785 // If this is an update of a package which used to fail to compile, 14786 // BDOS will remove it from its blacklist. 14787 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14788 } 14789 14790 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14791 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14792 return; 14793 } 14794 14795 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14796 14797 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14798 "installPackageLI")) { 14799 if (replace) { 14800 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14801 installerPackageName, res); 14802 } else { 14803 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14804 args.user, installerPackageName, volumeUuid, res); 14805 } 14806 } 14807 synchronized (mPackages) { 14808 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14809 if (ps != null) { 14810 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14811 } 14812 14813 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14814 for (int i = 0; i < childCount; i++) { 14815 PackageParser.Package childPkg = pkg.childPackages.get(i); 14816 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14817 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14818 if (childPs != null) { 14819 childRes.newUsers = childPs.queryInstalledUsers( 14820 sUserManager.getUserIds(), true); 14821 } 14822 } 14823 } 14824 } 14825 14826 private void startIntentFilterVerifications(int userId, boolean replacing, 14827 PackageParser.Package pkg) { 14828 if (mIntentFilterVerifierComponent == null) { 14829 Slog.w(TAG, "No IntentFilter verification will not be done as " 14830 + "there is no IntentFilterVerifier available!"); 14831 return; 14832 } 14833 14834 final int verifierUid = getPackageUid( 14835 mIntentFilterVerifierComponent.getPackageName(), 14836 MATCH_DEBUG_TRIAGED_MISSING, 14837 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14838 14839 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14840 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14841 mHandler.sendMessage(msg); 14842 14843 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14844 for (int i = 0; i < childCount; i++) { 14845 PackageParser.Package childPkg = pkg.childPackages.get(i); 14846 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14847 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14848 mHandler.sendMessage(msg); 14849 } 14850 } 14851 14852 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14853 PackageParser.Package pkg) { 14854 int size = pkg.activities.size(); 14855 if (size == 0) { 14856 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14857 "No activity, so no need to verify any IntentFilter!"); 14858 return; 14859 } 14860 14861 final boolean hasDomainURLs = hasDomainURLs(pkg); 14862 if (!hasDomainURLs) { 14863 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14864 "No domain URLs, so no need to verify any IntentFilter!"); 14865 return; 14866 } 14867 14868 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14869 + " if any IntentFilter from the " + size 14870 + " Activities needs verification ..."); 14871 14872 int count = 0; 14873 final String packageName = pkg.packageName; 14874 14875 synchronized (mPackages) { 14876 // If this is a new install and we see that we've already run verification for this 14877 // package, we have nothing to do: it means the state was restored from backup. 14878 if (!replacing) { 14879 IntentFilterVerificationInfo ivi = 14880 mSettings.getIntentFilterVerificationLPr(packageName); 14881 if (ivi != null) { 14882 if (DEBUG_DOMAIN_VERIFICATION) { 14883 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14884 + ivi.getStatusString()); 14885 } 14886 return; 14887 } 14888 } 14889 14890 // If any filters need to be verified, then all need to be. 14891 boolean needToVerify = false; 14892 for (PackageParser.Activity a : pkg.activities) { 14893 for (ActivityIntentInfo filter : a.intents) { 14894 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14895 if (DEBUG_DOMAIN_VERIFICATION) { 14896 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14897 } 14898 needToVerify = true; 14899 break; 14900 } 14901 } 14902 } 14903 14904 if (needToVerify) { 14905 final int verificationId = mIntentFilterVerificationToken++; 14906 for (PackageParser.Activity a : pkg.activities) { 14907 for (ActivityIntentInfo filter : a.intents) { 14908 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14909 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14910 "Verification needed for IntentFilter:" + filter.toString()); 14911 mIntentFilterVerifier.addOneIntentFilterVerification( 14912 verifierUid, userId, verificationId, filter, packageName); 14913 count++; 14914 } 14915 } 14916 } 14917 } 14918 } 14919 14920 if (count > 0) { 14921 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14922 + " IntentFilter verification" + (count > 1 ? "s" : "") 14923 + " for userId:" + userId); 14924 mIntentFilterVerifier.startVerifications(userId); 14925 } else { 14926 if (DEBUG_DOMAIN_VERIFICATION) { 14927 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14928 } 14929 } 14930 } 14931 14932 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14933 final ComponentName cn = filter.activity.getComponentName(); 14934 final String packageName = cn.getPackageName(); 14935 14936 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14937 packageName); 14938 if (ivi == null) { 14939 return true; 14940 } 14941 int status = ivi.getStatus(); 14942 switch (status) { 14943 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14944 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14945 return true; 14946 14947 default: 14948 // Nothing to do 14949 return false; 14950 } 14951 } 14952 14953 private static boolean isMultiArch(ApplicationInfo info) { 14954 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14955 } 14956 14957 private static boolean isExternal(PackageParser.Package pkg) { 14958 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14959 } 14960 14961 private static boolean isExternal(PackageSetting ps) { 14962 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14963 } 14964 14965 private static boolean isEphemeral(PackageParser.Package pkg) { 14966 return pkg.applicationInfo.isEphemeralApp(); 14967 } 14968 14969 private static boolean isEphemeral(PackageSetting ps) { 14970 return ps.pkg != null && isEphemeral(ps.pkg); 14971 } 14972 14973 private static boolean isSystemApp(PackageParser.Package pkg) { 14974 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14975 } 14976 14977 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14978 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14979 } 14980 14981 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14982 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14983 } 14984 14985 private static boolean isSystemApp(PackageSetting ps) { 14986 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14987 } 14988 14989 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14990 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14991 } 14992 14993 private int packageFlagsToInstallFlags(PackageSetting ps) { 14994 int installFlags = 0; 14995 if (isEphemeral(ps)) { 14996 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14997 } 14998 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14999 // This existing package was an external ASEC install when we have 15000 // the external flag without a UUID 15001 installFlags |= PackageManager.INSTALL_EXTERNAL; 15002 } 15003 if (ps.isForwardLocked()) { 15004 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15005 } 15006 return installFlags; 15007 } 15008 15009 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15010 if (isExternal(pkg)) { 15011 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15012 return StorageManager.UUID_PRIMARY_PHYSICAL; 15013 } else { 15014 return pkg.volumeUuid; 15015 } 15016 } else { 15017 return StorageManager.UUID_PRIVATE_INTERNAL; 15018 } 15019 } 15020 15021 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15022 if (isExternal(pkg)) { 15023 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15024 return mSettings.getExternalVersion(); 15025 } else { 15026 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15027 } 15028 } else { 15029 return mSettings.getInternalVersion(); 15030 } 15031 } 15032 15033 private void deleteTempPackageFiles() { 15034 final FilenameFilter filter = new FilenameFilter() { 15035 public boolean accept(File dir, String name) { 15036 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15037 } 15038 }; 15039 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15040 file.delete(); 15041 } 15042 } 15043 15044 @Override 15045 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15046 int flags) { 15047 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15048 flags); 15049 } 15050 15051 @Override 15052 public void deletePackage(final String packageName, 15053 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15054 mContext.enforceCallingOrSelfPermission( 15055 android.Manifest.permission.DELETE_PACKAGES, null); 15056 Preconditions.checkNotNull(packageName); 15057 Preconditions.checkNotNull(observer); 15058 final int uid = Binder.getCallingUid(); 15059 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15060 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15061 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15062 mContext.enforceCallingOrSelfPermission( 15063 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15064 "deletePackage for user " + userId); 15065 } 15066 15067 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15068 try { 15069 observer.onPackageDeleted(packageName, 15070 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15071 } catch (RemoteException re) { 15072 } 15073 return; 15074 } 15075 15076 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15077 try { 15078 observer.onPackageDeleted(packageName, 15079 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15080 } catch (RemoteException re) { 15081 } 15082 return; 15083 } 15084 15085 if (DEBUG_REMOVE) { 15086 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15087 + " deleteAllUsers: " + deleteAllUsers ); 15088 } 15089 // Queue up an async operation since the package deletion may take a little while. 15090 mHandler.post(new Runnable() { 15091 public void run() { 15092 mHandler.removeCallbacks(this); 15093 int returnCode; 15094 if (!deleteAllUsers) { 15095 returnCode = deletePackageX(packageName, userId, deleteFlags); 15096 } else { 15097 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15098 // If nobody is blocking uninstall, proceed with delete for all users 15099 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15100 returnCode = deletePackageX(packageName, userId, deleteFlags); 15101 } else { 15102 // Otherwise uninstall individually for users with blockUninstalls=false 15103 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15104 for (int userId : users) { 15105 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15106 returnCode = deletePackageX(packageName, userId, userFlags); 15107 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15108 Slog.w(TAG, "Package delete failed for user " + userId 15109 + ", returnCode " + returnCode); 15110 } 15111 } 15112 } 15113 // The app has only been marked uninstalled for certain users. 15114 // We still need to report that delete was blocked 15115 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15116 } 15117 } 15118 try { 15119 observer.onPackageDeleted(packageName, returnCode, null); 15120 } catch (RemoteException e) { 15121 Log.i(TAG, "Observer no longer exists."); 15122 } //end catch 15123 } //end run 15124 }); 15125 } 15126 15127 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15128 int[] result = EMPTY_INT_ARRAY; 15129 for (int userId : userIds) { 15130 if (getBlockUninstallForUser(packageName, userId)) { 15131 result = ArrayUtils.appendInt(result, userId); 15132 } 15133 } 15134 return result; 15135 } 15136 15137 @Override 15138 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15139 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15140 } 15141 15142 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15143 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15144 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15145 try { 15146 if (dpm != null) { 15147 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15148 /* callingUserOnly =*/ false); 15149 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15150 : deviceOwnerComponentName.getPackageName(); 15151 // Does the package contains the device owner? 15152 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15153 // this check is probably not needed, since DO should be registered as a device 15154 // admin on some user too. (Original bug for this: b/17657954) 15155 if (packageName.equals(deviceOwnerPackageName)) { 15156 return true; 15157 } 15158 // Does it contain a device admin for any user? 15159 int[] users; 15160 if (userId == UserHandle.USER_ALL) { 15161 users = sUserManager.getUserIds(); 15162 } else { 15163 users = new int[]{userId}; 15164 } 15165 for (int i = 0; i < users.length; ++i) { 15166 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15167 return true; 15168 } 15169 } 15170 } 15171 } catch (RemoteException e) { 15172 } 15173 return false; 15174 } 15175 15176 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15177 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15178 } 15179 15180 /** 15181 * This method is an internal method that could be get invoked either 15182 * to delete an installed package or to clean up a failed installation. 15183 * After deleting an installed package, a broadcast is sent to notify any 15184 * listeners that the package has been removed. For cleaning up a failed 15185 * installation, the broadcast is not necessary since the package's 15186 * installation wouldn't have sent the initial broadcast either 15187 * The key steps in deleting a package are 15188 * deleting the package information in internal structures like mPackages, 15189 * deleting the packages base directories through installd 15190 * updating mSettings to reflect current status 15191 * persisting settings for later use 15192 * sending a broadcast if necessary 15193 */ 15194 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15195 final PackageRemovedInfo info = new PackageRemovedInfo(); 15196 final boolean res; 15197 15198 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15199 ? UserHandle.ALL : new UserHandle(userId); 15200 15201 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15202 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15203 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15204 } 15205 15206 PackageSetting uninstalledPs = null; 15207 15208 // for the uninstall-updates case and restricted profiles, remember the per- 15209 // user handle installed state 15210 int[] allUsers; 15211 synchronized (mPackages) { 15212 uninstalledPs = mSettings.mPackages.get(packageName); 15213 if (uninstalledPs == null) { 15214 Slog.w(TAG, "Not removing non-existent package " + packageName); 15215 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15216 } 15217 allUsers = sUserManager.getUserIds(); 15218 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15219 } 15220 15221 synchronized (mInstallLock) { 15222 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15223 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15224 "deletePackageX")) { 15225 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15226 deleteFlags | REMOVE_CHATTY, info, true, null); 15227 } 15228 synchronized (mPackages) { 15229 if (res) { 15230 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15231 } 15232 } 15233 } 15234 15235 if (res) { 15236 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15237 info.sendPackageRemovedBroadcasts(killApp); 15238 info.sendSystemPackageUpdatedBroadcasts(); 15239 info.sendSystemPackageAppearedBroadcasts(); 15240 } 15241 // Force a gc here. 15242 Runtime.getRuntime().gc(); 15243 // Delete the resources here after sending the broadcast to let 15244 // other processes clean up before deleting resources. 15245 if (info.args != null) { 15246 synchronized (mInstallLock) { 15247 info.args.doPostDeleteLI(true); 15248 } 15249 } 15250 15251 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15252 } 15253 15254 class PackageRemovedInfo { 15255 String removedPackage; 15256 int uid = -1; 15257 int removedAppId = -1; 15258 int[] origUsers; 15259 int[] removedUsers = null; 15260 boolean isRemovedPackageSystemUpdate = false; 15261 boolean isUpdate; 15262 boolean dataRemoved; 15263 boolean removedForAllUsers; 15264 // Clean up resources deleted packages. 15265 InstallArgs args = null; 15266 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15267 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15268 15269 void sendPackageRemovedBroadcasts(boolean killApp) { 15270 sendPackageRemovedBroadcastInternal(killApp); 15271 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15272 for (int i = 0; i < childCount; i++) { 15273 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15274 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15275 } 15276 } 15277 15278 void sendSystemPackageUpdatedBroadcasts() { 15279 if (isRemovedPackageSystemUpdate) { 15280 sendSystemPackageUpdatedBroadcastsInternal(); 15281 final int childCount = (removedChildPackages != null) 15282 ? removedChildPackages.size() : 0; 15283 for (int i = 0; i < childCount; i++) { 15284 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15285 if (childInfo.isRemovedPackageSystemUpdate) { 15286 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15287 } 15288 } 15289 } 15290 } 15291 15292 void sendSystemPackageAppearedBroadcasts() { 15293 final int packageCount = (appearedChildPackages != null) 15294 ? appearedChildPackages.size() : 0; 15295 for (int i = 0; i < packageCount; i++) { 15296 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15297 for (int userId : installedInfo.newUsers) { 15298 sendPackageAddedForUser(installedInfo.name, true, 15299 UserHandle.getAppId(installedInfo.uid), userId); 15300 } 15301 } 15302 } 15303 15304 private void sendSystemPackageUpdatedBroadcastsInternal() { 15305 Bundle extras = new Bundle(2); 15306 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15307 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15308 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15309 extras, 0, null, null, null); 15310 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15311 extras, 0, null, null, null); 15312 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15313 null, 0, removedPackage, null, null); 15314 } 15315 15316 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15317 Bundle extras = new Bundle(2); 15318 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15319 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15320 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15321 if (isUpdate || isRemovedPackageSystemUpdate) { 15322 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15323 } 15324 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15325 if (removedPackage != null) { 15326 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15327 extras, 0, null, null, removedUsers); 15328 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15329 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15330 removedPackage, extras, 0, null, null, removedUsers); 15331 } 15332 } 15333 if (removedAppId >= 0) { 15334 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15335 removedUsers); 15336 } 15337 } 15338 } 15339 15340 /* 15341 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15342 * flag is not set, the data directory is removed as well. 15343 * make sure this flag is set for partially installed apps. If not its meaningless to 15344 * delete a partially installed application. 15345 */ 15346 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15347 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15348 String packageName = ps.name; 15349 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15350 // Retrieve object to delete permissions for shared user later on 15351 final PackageParser.Package deletedPkg; 15352 final PackageSetting deletedPs; 15353 // reader 15354 synchronized (mPackages) { 15355 deletedPkg = mPackages.get(packageName); 15356 deletedPs = mSettings.mPackages.get(packageName); 15357 if (outInfo != null) { 15358 outInfo.removedPackage = packageName; 15359 outInfo.removedUsers = deletedPs != null 15360 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15361 : null; 15362 } 15363 } 15364 15365 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15366 15367 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15368 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15369 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15370 destroyAppProfilesLIF(deletedPkg); 15371 if (outInfo != null) { 15372 outInfo.dataRemoved = true; 15373 } 15374 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15375 } 15376 15377 // writer 15378 synchronized (mPackages) { 15379 if (deletedPs != null) { 15380 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15381 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15382 clearDefaultBrowserIfNeeded(packageName); 15383 if (outInfo != null) { 15384 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15385 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15386 } 15387 updatePermissionsLPw(deletedPs.name, null, 0); 15388 if (deletedPs.sharedUser != null) { 15389 // Remove permissions associated with package. Since runtime 15390 // permissions are per user we have to kill the removed package 15391 // or packages running under the shared user of the removed 15392 // package if revoking the permissions requested only by the removed 15393 // package is successful and this causes a change in gids. 15394 for (int userId : UserManagerService.getInstance().getUserIds()) { 15395 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15396 userId); 15397 if (userIdToKill == UserHandle.USER_ALL 15398 || userIdToKill >= UserHandle.USER_SYSTEM) { 15399 // If gids changed for this user, kill all affected packages. 15400 mHandler.post(new Runnable() { 15401 @Override 15402 public void run() { 15403 // This has to happen with no lock held. 15404 killApplication(deletedPs.name, deletedPs.appId, 15405 KILL_APP_REASON_GIDS_CHANGED); 15406 } 15407 }); 15408 break; 15409 } 15410 } 15411 } 15412 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15413 } 15414 // make sure to preserve per-user disabled state if this removal was just 15415 // a downgrade of a system app to the factory package 15416 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15417 if (DEBUG_REMOVE) { 15418 Slog.d(TAG, "Propagating install state across downgrade"); 15419 } 15420 for (int userId : allUserHandles) { 15421 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15422 if (DEBUG_REMOVE) { 15423 Slog.d(TAG, " user " + userId + " => " + installed); 15424 } 15425 ps.setInstalled(installed, userId); 15426 } 15427 } 15428 } 15429 // can downgrade to reader 15430 if (writeSettings) { 15431 // Save settings now 15432 mSettings.writeLPr(); 15433 } 15434 } 15435 if (outInfo != null) { 15436 // A user ID was deleted here. Go through all users and remove it 15437 // from KeyStore. 15438 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15439 } 15440 } 15441 15442 static boolean locationIsPrivileged(File path) { 15443 try { 15444 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15445 .getCanonicalPath(); 15446 return path.getCanonicalPath().startsWith(privilegedAppDir); 15447 } catch (IOException e) { 15448 Slog.e(TAG, "Unable to access code path " + path); 15449 } 15450 return false; 15451 } 15452 15453 /* 15454 * Tries to delete system package. 15455 */ 15456 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15457 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15458 boolean writeSettings) { 15459 if (deletedPs.parentPackageName != null) { 15460 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15461 return false; 15462 } 15463 15464 final boolean applyUserRestrictions 15465 = (allUserHandles != null) && (outInfo.origUsers != null); 15466 final PackageSetting disabledPs; 15467 // Confirm if the system package has been updated 15468 // An updated system app can be deleted. This will also have to restore 15469 // the system pkg from system partition 15470 // reader 15471 synchronized (mPackages) { 15472 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15473 } 15474 15475 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15476 + " disabledPs=" + disabledPs); 15477 15478 if (disabledPs == null) { 15479 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15480 return false; 15481 } else if (DEBUG_REMOVE) { 15482 Slog.d(TAG, "Deleting system pkg from data partition"); 15483 } 15484 15485 if (DEBUG_REMOVE) { 15486 if (applyUserRestrictions) { 15487 Slog.d(TAG, "Remembering install states:"); 15488 for (int userId : allUserHandles) { 15489 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15490 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15491 } 15492 } 15493 } 15494 15495 // Delete the updated package 15496 outInfo.isRemovedPackageSystemUpdate = true; 15497 if (outInfo.removedChildPackages != null) { 15498 final int childCount = (deletedPs.childPackageNames != null) 15499 ? deletedPs.childPackageNames.size() : 0; 15500 for (int i = 0; i < childCount; i++) { 15501 String childPackageName = deletedPs.childPackageNames.get(i); 15502 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15503 .contains(childPackageName)) { 15504 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15505 childPackageName); 15506 if (childInfo != null) { 15507 childInfo.isRemovedPackageSystemUpdate = true; 15508 } 15509 } 15510 } 15511 } 15512 15513 if (disabledPs.versionCode < deletedPs.versionCode) { 15514 // Delete data for downgrades 15515 flags &= ~PackageManager.DELETE_KEEP_DATA; 15516 } else { 15517 // Preserve data by setting flag 15518 flags |= PackageManager.DELETE_KEEP_DATA; 15519 } 15520 15521 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15522 outInfo, writeSettings, disabledPs.pkg); 15523 if (!ret) { 15524 return false; 15525 } 15526 15527 // writer 15528 synchronized (mPackages) { 15529 // Reinstate the old system package 15530 enableSystemPackageLPw(disabledPs.pkg); 15531 // Remove any native libraries from the upgraded package. 15532 removeNativeBinariesLI(deletedPs); 15533 } 15534 15535 // Install the system package 15536 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15537 int parseFlags = mDefParseFlags 15538 | PackageParser.PARSE_MUST_BE_APK 15539 | PackageParser.PARSE_IS_SYSTEM 15540 | PackageParser.PARSE_IS_SYSTEM_DIR; 15541 if (locationIsPrivileged(disabledPs.codePath)) { 15542 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15543 } 15544 15545 final PackageParser.Package newPkg; 15546 try { 15547 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15548 } catch (PackageManagerException e) { 15549 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15550 + e.getMessage()); 15551 return false; 15552 } 15553 15554 prepareAppDataAfterInstallLIF(newPkg); 15555 15556 // writer 15557 synchronized (mPackages) { 15558 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15559 15560 // Propagate the permissions state as we do not want to drop on the floor 15561 // runtime permissions. The update permissions method below will take 15562 // care of removing obsolete permissions and grant install permissions. 15563 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15564 updatePermissionsLPw(newPkg.packageName, newPkg, 15565 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15566 15567 if (applyUserRestrictions) { 15568 if (DEBUG_REMOVE) { 15569 Slog.d(TAG, "Propagating install state across reinstall"); 15570 } 15571 for (int userId : allUserHandles) { 15572 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15573 if (DEBUG_REMOVE) { 15574 Slog.d(TAG, " user " + userId + " => " + installed); 15575 } 15576 ps.setInstalled(installed, userId); 15577 15578 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15579 } 15580 // Regardless of writeSettings we need to ensure that this restriction 15581 // state propagation is persisted 15582 mSettings.writeAllUsersPackageRestrictionsLPr(); 15583 } 15584 // can downgrade to reader here 15585 if (writeSettings) { 15586 mSettings.writeLPr(); 15587 } 15588 } 15589 return true; 15590 } 15591 15592 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15593 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15594 PackageRemovedInfo outInfo, boolean writeSettings, 15595 PackageParser.Package replacingPackage) { 15596 synchronized (mPackages) { 15597 if (outInfo != null) { 15598 outInfo.uid = ps.appId; 15599 } 15600 15601 if (outInfo != null && outInfo.removedChildPackages != null) { 15602 final int childCount = (ps.childPackageNames != null) 15603 ? ps.childPackageNames.size() : 0; 15604 for (int i = 0; i < childCount; i++) { 15605 String childPackageName = ps.childPackageNames.get(i); 15606 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15607 if (childPs == null) { 15608 return false; 15609 } 15610 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15611 childPackageName); 15612 if (childInfo != null) { 15613 childInfo.uid = childPs.appId; 15614 } 15615 } 15616 } 15617 } 15618 15619 // Delete package data from internal structures and also remove data if flag is set 15620 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15621 15622 // Delete the child packages data 15623 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15624 for (int i = 0; i < childCount; i++) { 15625 PackageSetting childPs; 15626 synchronized (mPackages) { 15627 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15628 } 15629 if (childPs != null) { 15630 PackageRemovedInfo childOutInfo = (outInfo != null 15631 && outInfo.removedChildPackages != null) 15632 ? outInfo.removedChildPackages.get(childPs.name) : null; 15633 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15634 && (replacingPackage != null 15635 && !replacingPackage.hasChildPackage(childPs.name)) 15636 ? flags & ~DELETE_KEEP_DATA : flags; 15637 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15638 deleteFlags, writeSettings); 15639 } 15640 } 15641 15642 // Delete application code and resources only for parent packages 15643 if (ps.parentPackageName == null) { 15644 if (deleteCodeAndResources && (outInfo != null)) { 15645 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15646 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15647 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15648 } 15649 } 15650 15651 return true; 15652 } 15653 15654 @Override 15655 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15656 int userId) { 15657 mContext.enforceCallingOrSelfPermission( 15658 android.Manifest.permission.DELETE_PACKAGES, null); 15659 synchronized (mPackages) { 15660 PackageSetting ps = mSettings.mPackages.get(packageName); 15661 if (ps == null) { 15662 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15663 return false; 15664 } 15665 if (!ps.getInstalled(userId)) { 15666 // Can't block uninstall for an app that is not installed or enabled. 15667 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15668 return false; 15669 } 15670 ps.setBlockUninstall(blockUninstall, userId); 15671 mSettings.writePackageRestrictionsLPr(userId); 15672 } 15673 return true; 15674 } 15675 15676 @Override 15677 public boolean getBlockUninstallForUser(String packageName, int userId) { 15678 synchronized (mPackages) { 15679 PackageSetting ps = mSettings.mPackages.get(packageName); 15680 if (ps == null) { 15681 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15682 return false; 15683 } 15684 return ps.getBlockUninstall(userId); 15685 } 15686 } 15687 15688 @Override 15689 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15690 int callingUid = Binder.getCallingUid(); 15691 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15692 throw new SecurityException( 15693 "setRequiredForSystemUser can only be run by the system or root"); 15694 } 15695 synchronized (mPackages) { 15696 PackageSetting ps = mSettings.mPackages.get(packageName); 15697 if (ps == null) { 15698 Log.w(TAG, "Package doesn't exist: " + packageName); 15699 return false; 15700 } 15701 if (systemUserApp) { 15702 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15703 } else { 15704 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15705 } 15706 mSettings.writeLPr(); 15707 } 15708 return true; 15709 } 15710 15711 /* 15712 * This method handles package deletion in general 15713 */ 15714 private boolean deletePackageLIF(String packageName, UserHandle user, 15715 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15716 PackageRemovedInfo outInfo, boolean writeSettings, 15717 PackageParser.Package replacingPackage) { 15718 if (packageName == null) { 15719 Slog.w(TAG, "Attempt to delete null packageName."); 15720 return false; 15721 } 15722 15723 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15724 15725 PackageSetting ps; 15726 15727 synchronized (mPackages) { 15728 ps = mSettings.mPackages.get(packageName); 15729 if (ps == null) { 15730 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15731 return false; 15732 } 15733 15734 if (ps.parentPackageName != null && (!isSystemApp(ps) 15735 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15736 if (DEBUG_REMOVE) { 15737 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15738 + ((user == null) ? UserHandle.USER_ALL : user)); 15739 } 15740 final int removedUserId = (user != null) ? user.getIdentifier() 15741 : UserHandle.USER_ALL; 15742 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15743 return false; 15744 } 15745 markPackageUninstalledForUserLPw(ps, user); 15746 scheduleWritePackageRestrictionsLocked(user); 15747 return true; 15748 } 15749 } 15750 15751 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15752 && user.getIdentifier() != UserHandle.USER_ALL)) { 15753 // The caller is asking that the package only be deleted for a single 15754 // user. To do this, we just mark its uninstalled state and delete 15755 // its data. If this is a system app, we only allow this to happen if 15756 // they have set the special DELETE_SYSTEM_APP which requests different 15757 // semantics than normal for uninstalling system apps. 15758 markPackageUninstalledForUserLPw(ps, user); 15759 15760 if (!isSystemApp(ps)) { 15761 // Do not uninstall the APK if an app should be cached 15762 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15763 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15764 // Other user still have this package installed, so all 15765 // we need to do is clear this user's data and save that 15766 // it is uninstalled. 15767 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15768 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15769 return false; 15770 } 15771 scheduleWritePackageRestrictionsLocked(user); 15772 return true; 15773 } else { 15774 // We need to set it back to 'installed' so the uninstall 15775 // broadcasts will be sent correctly. 15776 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15777 ps.setInstalled(true, user.getIdentifier()); 15778 } 15779 } else { 15780 // This is a system app, so we assume that the 15781 // other users still have this package installed, so all 15782 // we need to do is clear this user's data and save that 15783 // it is uninstalled. 15784 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15785 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15786 return false; 15787 } 15788 scheduleWritePackageRestrictionsLocked(user); 15789 return true; 15790 } 15791 } 15792 15793 // If we are deleting a composite package for all users, keep track 15794 // of result for each child. 15795 if (ps.childPackageNames != null && outInfo != null) { 15796 synchronized (mPackages) { 15797 final int childCount = ps.childPackageNames.size(); 15798 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15799 for (int i = 0; i < childCount; i++) { 15800 String childPackageName = ps.childPackageNames.get(i); 15801 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15802 childInfo.removedPackage = childPackageName; 15803 outInfo.removedChildPackages.put(childPackageName, childInfo); 15804 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15805 if (childPs != null) { 15806 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15807 } 15808 } 15809 } 15810 } 15811 15812 boolean ret = false; 15813 if (isSystemApp(ps)) { 15814 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15815 // When an updated system application is deleted we delete the existing resources 15816 // as well and fall back to existing code in system partition 15817 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15818 } else { 15819 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15820 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15821 outInfo, writeSettings, replacingPackage); 15822 } 15823 15824 // Take a note whether we deleted the package for all users 15825 if (outInfo != null) { 15826 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15827 if (outInfo.removedChildPackages != null) { 15828 synchronized (mPackages) { 15829 final int childCount = outInfo.removedChildPackages.size(); 15830 for (int i = 0; i < childCount; i++) { 15831 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15832 if (childInfo != null) { 15833 childInfo.removedForAllUsers = mPackages.get( 15834 childInfo.removedPackage) == null; 15835 } 15836 } 15837 } 15838 } 15839 // If we uninstalled an update to a system app there may be some 15840 // child packages that appeared as they are declared in the system 15841 // app but were not declared in the update. 15842 if (isSystemApp(ps)) { 15843 synchronized (mPackages) { 15844 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15845 final int childCount = (updatedPs.childPackageNames != null) 15846 ? updatedPs.childPackageNames.size() : 0; 15847 for (int i = 0; i < childCount; i++) { 15848 String childPackageName = updatedPs.childPackageNames.get(i); 15849 if (outInfo.removedChildPackages == null 15850 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15851 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15852 if (childPs == null) { 15853 continue; 15854 } 15855 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15856 installRes.name = childPackageName; 15857 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15858 installRes.pkg = mPackages.get(childPackageName); 15859 installRes.uid = childPs.pkg.applicationInfo.uid; 15860 if (outInfo.appearedChildPackages == null) { 15861 outInfo.appearedChildPackages = new ArrayMap<>(); 15862 } 15863 outInfo.appearedChildPackages.put(childPackageName, installRes); 15864 } 15865 } 15866 } 15867 } 15868 } 15869 15870 return ret; 15871 } 15872 15873 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15874 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15875 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15876 for (int nextUserId : userIds) { 15877 if (DEBUG_REMOVE) { 15878 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15879 } 15880 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15881 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15882 false /*hidden*/, false /*suspended*/, null, null, null, 15883 false /*blockUninstall*/, 15884 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15885 } 15886 } 15887 15888 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15889 PackageRemovedInfo outInfo) { 15890 final PackageParser.Package pkg; 15891 synchronized (mPackages) { 15892 pkg = mPackages.get(ps.name); 15893 } 15894 15895 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15896 : new int[] {userId}; 15897 for (int nextUserId : userIds) { 15898 if (DEBUG_REMOVE) { 15899 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15900 + nextUserId); 15901 } 15902 15903 destroyAppDataLIF(pkg, userId, 15904 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15905 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15906 schedulePackageCleaning(ps.name, nextUserId, false); 15907 synchronized (mPackages) { 15908 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15909 scheduleWritePackageRestrictionsLocked(nextUserId); 15910 } 15911 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15912 } 15913 } 15914 15915 if (outInfo != null) { 15916 outInfo.removedPackage = ps.name; 15917 outInfo.removedAppId = ps.appId; 15918 outInfo.removedUsers = userIds; 15919 } 15920 15921 return true; 15922 } 15923 15924 private final class ClearStorageConnection implements ServiceConnection { 15925 IMediaContainerService mContainerService; 15926 15927 @Override 15928 public void onServiceConnected(ComponentName name, IBinder service) { 15929 synchronized (this) { 15930 mContainerService = IMediaContainerService.Stub.asInterface(service); 15931 notifyAll(); 15932 } 15933 } 15934 15935 @Override 15936 public void onServiceDisconnected(ComponentName name) { 15937 } 15938 } 15939 15940 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15941 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15942 15943 final boolean mounted; 15944 if (Environment.isExternalStorageEmulated()) { 15945 mounted = true; 15946 } else { 15947 final String status = Environment.getExternalStorageState(); 15948 15949 mounted = status.equals(Environment.MEDIA_MOUNTED) 15950 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15951 } 15952 15953 if (!mounted) { 15954 return; 15955 } 15956 15957 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15958 int[] users; 15959 if (userId == UserHandle.USER_ALL) { 15960 users = sUserManager.getUserIds(); 15961 } else { 15962 users = new int[] { userId }; 15963 } 15964 final ClearStorageConnection conn = new ClearStorageConnection(); 15965 if (mContext.bindServiceAsUser( 15966 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15967 try { 15968 for (int curUser : users) { 15969 long timeout = SystemClock.uptimeMillis() + 5000; 15970 synchronized (conn) { 15971 long now = SystemClock.uptimeMillis(); 15972 while (conn.mContainerService == null && now < timeout) { 15973 try { 15974 conn.wait(timeout - now); 15975 } catch (InterruptedException e) { 15976 } 15977 } 15978 } 15979 if (conn.mContainerService == null) { 15980 return; 15981 } 15982 15983 final UserEnvironment userEnv = new UserEnvironment(curUser); 15984 clearDirectory(conn.mContainerService, 15985 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15986 if (allData) { 15987 clearDirectory(conn.mContainerService, 15988 userEnv.buildExternalStorageAppDataDirs(packageName)); 15989 clearDirectory(conn.mContainerService, 15990 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15991 } 15992 } 15993 } finally { 15994 mContext.unbindService(conn); 15995 } 15996 } 15997 } 15998 15999 @Override 16000 public void clearApplicationProfileData(String packageName) { 16001 enforceSystemOrRoot("Only the system can clear all profile data"); 16002 16003 final PackageParser.Package pkg; 16004 synchronized (mPackages) { 16005 pkg = mPackages.get(packageName); 16006 } 16007 16008 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16009 synchronized (mInstallLock) { 16010 clearAppProfilesLIF(pkg); 16011 } 16012 } 16013 } 16014 16015 @Override 16016 public void clearApplicationUserData(final String packageName, 16017 final IPackageDataObserver observer, final int userId) { 16018 mContext.enforceCallingOrSelfPermission( 16019 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16020 16021 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16022 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16023 16024 final DevicePolicyManagerInternal dpmi = LocalServices 16025 .getService(DevicePolicyManagerInternal.class); 16026 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16027 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16028 } 16029 // Queue up an async operation since the package deletion may take a little while. 16030 mHandler.post(new Runnable() { 16031 public void run() { 16032 mHandler.removeCallbacks(this); 16033 final boolean succeeded; 16034 try (PackageFreezer freezer = freezePackage(packageName, 16035 "clearApplicationUserData")) { 16036 synchronized (mInstallLock) { 16037 succeeded = clearApplicationUserDataLIF(packageName, userId); 16038 } 16039 clearExternalStorageDataSync(packageName, userId, true); 16040 } 16041 if (succeeded) { 16042 // invoke DeviceStorageMonitor's update method to clear any notifications 16043 DeviceStorageMonitorInternal dsm = LocalServices 16044 .getService(DeviceStorageMonitorInternal.class); 16045 if (dsm != null) { 16046 dsm.checkMemory(); 16047 } 16048 } 16049 if(observer != null) { 16050 try { 16051 observer.onRemoveCompleted(packageName, succeeded); 16052 } catch (RemoteException e) { 16053 Log.i(TAG, "Observer no longer exists."); 16054 } 16055 } //end if observer 16056 } //end run 16057 }); 16058 } 16059 16060 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16061 if (packageName == null) { 16062 Slog.w(TAG, "Attempt to delete null packageName."); 16063 return false; 16064 } 16065 16066 // Try finding details about the requested package 16067 PackageParser.Package pkg; 16068 synchronized (mPackages) { 16069 pkg = mPackages.get(packageName); 16070 if (pkg == null) { 16071 final PackageSetting ps = mSettings.mPackages.get(packageName); 16072 if (ps != null) { 16073 pkg = ps.pkg; 16074 } 16075 } 16076 16077 if (pkg == null) { 16078 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16079 return false; 16080 } 16081 16082 PackageSetting ps = (PackageSetting) pkg.mExtras; 16083 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16084 } 16085 16086 clearAppDataLIF(pkg, userId, 16087 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16088 16089 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16090 removeKeystoreDataIfNeeded(userId, appId); 16091 16092 final UserManager um = mContext.getSystemService(UserManager.class); 16093 final int flags; 16094 if (um.isUserUnlockingOrUnlocked(userId)) { 16095 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16096 } else if (um.isUserRunning(userId)) { 16097 flags = StorageManager.FLAG_STORAGE_DE; 16098 } else { 16099 flags = 0; 16100 } 16101 prepareAppDataContentsLIF(pkg, userId, flags); 16102 16103 return true; 16104 } 16105 16106 /** 16107 * Reverts user permission state changes (permissions and flags) in 16108 * all packages for a given user. 16109 * 16110 * @param userId The device user for which to do a reset. 16111 */ 16112 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16113 final int packageCount = mPackages.size(); 16114 for (int i = 0; i < packageCount; i++) { 16115 PackageParser.Package pkg = mPackages.valueAt(i); 16116 PackageSetting ps = (PackageSetting) pkg.mExtras; 16117 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16118 } 16119 } 16120 16121 /** 16122 * Reverts user permission state changes (permissions and flags). 16123 * 16124 * @param ps The package for which to reset. 16125 * @param userId The device user for which to do a reset. 16126 */ 16127 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16128 final PackageSetting ps, final int userId) { 16129 if (ps.pkg == null) { 16130 return; 16131 } 16132 16133 // These are flags that can change base on user actions. 16134 final int userSettableMask = FLAG_PERMISSION_USER_SET 16135 | FLAG_PERMISSION_USER_FIXED 16136 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16137 | FLAG_PERMISSION_REVIEW_REQUIRED; 16138 16139 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16140 | FLAG_PERMISSION_POLICY_FIXED; 16141 16142 boolean writeInstallPermissions = false; 16143 boolean writeRuntimePermissions = false; 16144 16145 final int permissionCount = ps.pkg.requestedPermissions.size(); 16146 for (int i = 0; i < permissionCount; i++) { 16147 String permission = ps.pkg.requestedPermissions.get(i); 16148 16149 BasePermission bp = mSettings.mPermissions.get(permission); 16150 if (bp == null) { 16151 continue; 16152 } 16153 16154 // If shared user we just reset the state to which only this app contributed. 16155 if (ps.sharedUser != null) { 16156 boolean used = false; 16157 final int packageCount = ps.sharedUser.packages.size(); 16158 for (int j = 0; j < packageCount; j++) { 16159 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16160 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16161 && pkg.pkg.requestedPermissions.contains(permission)) { 16162 used = true; 16163 break; 16164 } 16165 } 16166 if (used) { 16167 continue; 16168 } 16169 } 16170 16171 PermissionsState permissionsState = ps.getPermissionsState(); 16172 16173 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16174 16175 // Always clear the user settable flags. 16176 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16177 bp.name) != null; 16178 // If permission review is enabled and this is a legacy app, mark the 16179 // permission as requiring a review as this is the initial state. 16180 int flags = 0; 16181 if (Build.PERMISSIONS_REVIEW_REQUIRED 16182 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16183 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16184 } 16185 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16186 if (hasInstallState) { 16187 writeInstallPermissions = true; 16188 } else { 16189 writeRuntimePermissions = true; 16190 } 16191 } 16192 16193 // Below is only runtime permission handling. 16194 if (!bp.isRuntime()) { 16195 continue; 16196 } 16197 16198 // Never clobber system or policy. 16199 if ((oldFlags & policyOrSystemFlags) != 0) { 16200 continue; 16201 } 16202 16203 // If this permission was granted by default, make sure it is. 16204 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16205 if (permissionsState.grantRuntimePermission(bp, userId) 16206 != PERMISSION_OPERATION_FAILURE) { 16207 writeRuntimePermissions = true; 16208 } 16209 // If permission review is enabled the permissions for a legacy apps 16210 // are represented as constantly granted runtime ones, so don't revoke. 16211 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16212 // Otherwise, reset the permission. 16213 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16214 switch (revokeResult) { 16215 case PERMISSION_OPERATION_SUCCESS: 16216 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16217 writeRuntimePermissions = true; 16218 final int appId = ps.appId; 16219 mHandler.post(new Runnable() { 16220 @Override 16221 public void run() { 16222 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16223 } 16224 }); 16225 } break; 16226 } 16227 } 16228 } 16229 16230 // Synchronously write as we are taking permissions away. 16231 if (writeRuntimePermissions) { 16232 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16233 } 16234 16235 // Synchronously write as we are taking permissions away. 16236 if (writeInstallPermissions) { 16237 mSettings.writeLPr(); 16238 } 16239 } 16240 16241 /** 16242 * Remove entries from the keystore daemon. Will only remove it if the 16243 * {@code appId} is valid. 16244 */ 16245 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16246 if (appId < 0) { 16247 return; 16248 } 16249 16250 final KeyStore keyStore = KeyStore.getInstance(); 16251 if (keyStore != null) { 16252 if (userId == UserHandle.USER_ALL) { 16253 for (final int individual : sUserManager.getUserIds()) { 16254 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16255 } 16256 } else { 16257 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16258 } 16259 } else { 16260 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16261 } 16262 } 16263 16264 @Override 16265 public void deleteApplicationCacheFiles(final String packageName, 16266 final IPackageDataObserver observer) { 16267 final int userId = UserHandle.getCallingUserId(); 16268 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16269 } 16270 16271 @Override 16272 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16273 final IPackageDataObserver observer) { 16274 mContext.enforceCallingOrSelfPermission( 16275 android.Manifest.permission.DELETE_CACHE_FILES, null); 16276 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16277 /* requireFullPermission= */ true, /* checkShell= */ false, 16278 "delete application cache files"); 16279 16280 final PackageParser.Package pkg; 16281 synchronized (mPackages) { 16282 pkg = mPackages.get(packageName); 16283 } 16284 16285 // Queue up an async operation since the package deletion may take a little while. 16286 mHandler.post(new Runnable() { 16287 public void run() { 16288 synchronized (mInstallLock) { 16289 final int flags = StorageManager.FLAG_STORAGE_DE 16290 | StorageManager.FLAG_STORAGE_CE; 16291 // We're only clearing cache files, so we don't care if the 16292 // app is unfrozen and still able to run 16293 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16294 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16295 } 16296 clearExternalStorageDataSync(packageName, userId, false); 16297 if (observer != null) { 16298 try { 16299 observer.onRemoveCompleted(packageName, true); 16300 } catch (RemoteException e) { 16301 Log.i(TAG, "Observer no longer exists."); 16302 } 16303 } 16304 } 16305 }); 16306 } 16307 16308 @Override 16309 public void getPackageSizeInfo(final String packageName, int userHandle, 16310 final IPackageStatsObserver observer) { 16311 mContext.enforceCallingOrSelfPermission( 16312 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16313 if (packageName == null) { 16314 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16315 } 16316 16317 PackageStats stats = new PackageStats(packageName, userHandle); 16318 16319 /* 16320 * Queue up an async operation since the package measurement may take a 16321 * little while. 16322 */ 16323 Message msg = mHandler.obtainMessage(INIT_COPY); 16324 msg.obj = new MeasureParams(stats, observer); 16325 mHandler.sendMessage(msg); 16326 } 16327 16328 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16329 final PackageSetting ps; 16330 synchronized (mPackages) { 16331 ps = mSettings.mPackages.get(packageName); 16332 if (ps == null) { 16333 Slog.w(TAG, "Failed to find settings for " + packageName); 16334 return false; 16335 } 16336 } 16337 try { 16338 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16339 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16340 ps.getCeDataInode(userId), ps.codePathString, stats); 16341 } catch (InstallerException e) { 16342 Slog.w(TAG, String.valueOf(e)); 16343 return false; 16344 } 16345 16346 // For now, ignore code size of packages on system partition 16347 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16348 stats.codeSize = 0; 16349 } 16350 16351 return true; 16352 } 16353 16354 private int getUidTargetSdkVersionLockedLPr(int uid) { 16355 Object obj = mSettings.getUserIdLPr(uid); 16356 if (obj instanceof SharedUserSetting) { 16357 final SharedUserSetting sus = (SharedUserSetting) obj; 16358 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16359 final Iterator<PackageSetting> it = sus.packages.iterator(); 16360 while (it.hasNext()) { 16361 final PackageSetting ps = it.next(); 16362 if (ps.pkg != null) { 16363 int v = ps.pkg.applicationInfo.targetSdkVersion; 16364 if (v < vers) vers = v; 16365 } 16366 } 16367 return vers; 16368 } else if (obj instanceof PackageSetting) { 16369 final PackageSetting ps = (PackageSetting) obj; 16370 if (ps.pkg != null) { 16371 return ps.pkg.applicationInfo.targetSdkVersion; 16372 } 16373 } 16374 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16375 } 16376 16377 @Override 16378 public void addPreferredActivity(IntentFilter filter, int match, 16379 ComponentName[] set, ComponentName activity, int userId) { 16380 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16381 "Adding preferred"); 16382 } 16383 16384 private void addPreferredActivityInternal(IntentFilter filter, int match, 16385 ComponentName[] set, ComponentName activity, boolean always, int userId, 16386 String opname) { 16387 // writer 16388 int callingUid = Binder.getCallingUid(); 16389 enforceCrossUserPermission(callingUid, userId, 16390 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16391 if (filter.countActions() == 0) { 16392 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16393 return; 16394 } 16395 synchronized (mPackages) { 16396 if (mContext.checkCallingOrSelfPermission( 16397 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16398 != PackageManager.PERMISSION_GRANTED) { 16399 if (getUidTargetSdkVersionLockedLPr(callingUid) 16400 < Build.VERSION_CODES.FROYO) { 16401 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16402 + callingUid); 16403 return; 16404 } 16405 mContext.enforceCallingOrSelfPermission( 16406 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16407 } 16408 16409 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16410 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16411 + userId + ":"); 16412 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16413 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16414 scheduleWritePackageRestrictionsLocked(userId); 16415 } 16416 } 16417 16418 @Override 16419 public void replacePreferredActivity(IntentFilter filter, int match, 16420 ComponentName[] set, ComponentName activity, int userId) { 16421 if (filter.countActions() != 1) { 16422 throw new IllegalArgumentException( 16423 "replacePreferredActivity expects filter to have only 1 action."); 16424 } 16425 if (filter.countDataAuthorities() != 0 16426 || filter.countDataPaths() != 0 16427 || filter.countDataSchemes() > 1 16428 || filter.countDataTypes() != 0) { 16429 throw new IllegalArgumentException( 16430 "replacePreferredActivity expects filter to have no data authorities, " + 16431 "paths, or types; and at most one scheme."); 16432 } 16433 16434 final int callingUid = Binder.getCallingUid(); 16435 enforceCrossUserPermission(callingUid, userId, 16436 true /* requireFullPermission */, false /* checkShell */, 16437 "replace preferred activity"); 16438 synchronized (mPackages) { 16439 if (mContext.checkCallingOrSelfPermission( 16440 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16441 != PackageManager.PERMISSION_GRANTED) { 16442 if (getUidTargetSdkVersionLockedLPr(callingUid) 16443 < Build.VERSION_CODES.FROYO) { 16444 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16445 + Binder.getCallingUid()); 16446 return; 16447 } 16448 mContext.enforceCallingOrSelfPermission( 16449 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16450 } 16451 16452 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16453 if (pir != null) { 16454 // Get all of the existing entries that exactly match this filter. 16455 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16456 if (existing != null && existing.size() == 1) { 16457 PreferredActivity cur = existing.get(0); 16458 if (DEBUG_PREFERRED) { 16459 Slog.i(TAG, "Checking replace of preferred:"); 16460 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16461 if (!cur.mPref.mAlways) { 16462 Slog.i(TAG, " -- CUR; not mAlways!"); 16463 } else { 16464 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16465 Slog.i(TAG, " -- CUR: mSet=" 16466 + Arrays.toString(cur.mPref.mSetComponents)); 16467 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16468 Slog.i(TAG, " -- NEW: mMatch=" 16469 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16470 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16471 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16472 } 16473 } 16474 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16475 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16476 && cur.mPref.sameSet(set)) { 16477 // Setting the preferred activity to what it happens to be already 16478 if (DEBUG_PREFERRED) { 16479 Slog.i(TAG, "Replacing with same preferred activity " 16480 + cur.mPref.mShortComponent + " for user " 16481 + userId + ":"); 16482 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16483 } 16484 return; 16485 } 16486 } 16487 16488 if (existing != null) { 16489 if (DEBUG_PREFERRED) { 16490 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16491 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16492 } 16493 for (int i = 0; i < existing.size(); i++) { 16494 PreferredActivity pa = existing.get(i); 16495 if (DEBUG_PREFERRED) { 16496 Slog.i(TAG, "Removing existing preferred activity " 16497 + pa.mPref.mComponent + ":"); 16498 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16499 } 16500 pir.removeFilter(pa); 16501 } 16502 } 16503 } 16504 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16505 "Replacing preferred"); 16506 } 16507 } 16508 16509 @Override 16510 public void clearPackagePreferredActivities(String packageName) { 16511 final int uid = Binder.getCallingUid(); 16512 // writer 16513 synchronized (mPackages) { 16514 PackageParser.Package pkg = mPackages.get(packageName); 16515 if (pkg == null || pkg.applicationInfo.uid != uid) { 16516 if (mContext.checkCallingOrSelfPermission( 16517 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16518 != PackageManager.PERMISSION_GRANTED) { 16519 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16520 < Build.VERSION_CODES.FROYO) { 16521 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16522 + Binder.getCallingUid()); 16523 return; 16524 } 16525 mContext.enforceCallingOrSelfPermission( 16526 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16527 } 16528 } 16529 16530 int user = UserHandle.getCallingUserId(); 16531 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16532 scheduleWritePackageRestrictionsLocked(user); 16533 } 16534 } 16535 } 16536 16537 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16538 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16539 ArrayList<PreferredActivity> removed = null; 16540 boolean changed = false; 16541 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16542 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16543 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16544 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16545 continue; 16546 } 16547 Iterator<PreferredActivity> it = pir.filterIterator(); 16548 while (it.hasNext()) { 16549 PreferredActivity pa = it.next(); 16550 // Mark entry for removal only if it matches the package name 16551 // and the entry is of type "always". 16552 if (packageName == null || 16553 (pa.mPref.mComponent.getPackageName().equals(packageName) 16554 && pa.mPref.mAlways)) { 16555 if (removed == null) { 16556 removed = new ArrayList<PreferredActivity>(); 16557 } 16558 removed.add(pa); 16559 } 16560 } 16561 if (removed != null) { 16562 for (int j=0; j<removed.size(); j++) { 16563 PreferredActivity pa = removed.get(j); 16564 pir.removeFilter(pa); 16565 } 16566 changed = true; 16567 } 16568 } 16569 return changed; 16570 } 16571 16572 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16573 private void clearIntentFilterVerificationsLPw(int userId) { 16574 final int packageCount = mPackages.size(); 16575 for (int i = 0; i < packageCount; i++) { 16576 PackageParser.Package pkg = mPackages.valueAt(i); 16577 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16578 } 16579 } 16580 16581 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16582 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16583 if (userId == UserHandle.USER_ALL) { 16584 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16585 sUserManager.getUserIds())) { 16586 for (int oneUserId : sUserManager.getUserIds()) { 16587 scheduleWritePackageRestrictionsLocked(oneUserId); 16588 } 16589 } 16590 } else { 16591 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16592 scheduleWritePackageRestrictionsLocked(userId); 16593 } 16594 } 16595 } 16596 16597 void clearDefaultBrowserIfNeeded(String packageName) { 16598 for (int oneUserId : sUserManager.getUserIds()) { 16599 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16600 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16601 if (packageName.equals(defaultBrowserPackageName)) { 16602 setDefaultBrowserPackageName(null, oneUserId); 16603 } 16604 } 16605 } 16606 16607 @Override 16608 public void resetApplicationPreferences(int userId) { 16609 mContext.enforceCallingOrSelfPermission( 16610 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16611 // writer 16612 synchronized (mPackages) { 16613 final long identity = Binder.clearCallingIdentity(); 16614 try { 16615 clearPackagePreferredActivitiesLPw(null, userId); 16616 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16617 // TODO: We have to reset the default SMS and Phone. This requires 16618 // significant refactoring to keep all default apps in the package 16619 // manager (cleaner but more work) or have the services provide 16620 // callbacks to the package manager to request a default app reset. 16621 applyFactoryDefaultBrowserLPw(userId); 16622 clearIntentFilterVerificationsLPw(userId); 16623 primeDomainVerificationsLPw(userId); 16624 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16625 scheduleWritePackageRestrictionsLocked(userId); 16626 } finally { 16627 Binder.restoreCallingIdentity(identity); 16628 } 16629 } 16630 } 16631 16632 @Override 16633 public int getPreferredActivities(List<IntentFilter> outFilters, 16634 List<ComponentName> outActivities, String packageName) { 16635 16636 int num = 0; 16637 final int userId = UserHandle.getCallingUserId(); 16638 // reader 16639 synchronized (mPackages) { 16640 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16641 if (pir != null) { 16642 final Iterator<PreferredActivity> it = pir.filterIterator(); 16643 while (it.hasNext()) { 16644 final PreferredActivity pa = it.next(); 16645 if (packageName == null 16646 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16647 && pa.mPref.mAlways)) { 16648 if (outFilters != null) { 16649 outFilters.add(new IntentFilter(pa)); 16650 } 16651 if (outActivities != null) { 16652 outActivities.add(pa.mPref.mComponent); 16653 } 16654 } 16655 } 16656 } 16657 } 16658 16659 return num; 16660 } 16661 16662 @Override 16663 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16664 int userId) { 16665 int callingUid = Binder.getCallingUid(); 16666 if (callingUid != Process.SYSTEM_UID) { 16667 throw new SecurityException( 16668 "addPersistentPreferredActivity can only be run by the system"); 16669 } 16670 if (filter.countActions() == 0) { 16671 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16672 return; 16673 } 16674 synchronized (mPackages) { 16675 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16676 ":"); 16677 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16678 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16679 new PersistentPreferredActivity(filter, activity)); 16680 scheduleWritePackageRestrictionsLocked(userId); 16681 } 16682 } 16683 16684 @Override 16685 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16686 int callingUid = Binder.getCallingUid(); 16687 if (callingUid != Process.SYSTEM_UID) { 16688 throw new SecurityException( 16689 "clearPackagePersistentPreferredActivities can only be run by the system"); 16690 } 16691 ArrayList<PersistentPreferredActivity> removed = null; 16692 boolean changed = false; 16693 synchronized (mPackages) { 16694 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16695 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16696 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16697 .valueAt(i); 16698 if (userId != thisUserId) { 16699 continue; 16700 } 16701 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16702 while (it.hasNext()) { 16703 PersistentPreferredActivity ppa = it.next(); 16704 // Mark entry for removal only if it matches the package name. 16705 if (ppa.mComponent.getPackageName().equals(packageName)) { 16706 if (removed == null) { 16707 removed = new ArrayList<PersistentPreferredActivity>(); 16708 } 16709 removed.add(ppa); 16710 } 16711 } 16712 if (removed != null) { 16713 for (int j=0; j<removed.size(); j++) { 16714 PersistentPreferredActivity ppa = removed.get(j); 16715 ppir.removeFilter(ppa); 16716 } 16717 changed = true; 16718 } 16719 } 16720 16721 if (changed) { 16722 scheduleWritePackageRestrictionsLocked(userId); 16723 } 16724 } 16725 } 16726 16727 /** 16728 * Common machinery for picking apart a restored XML blob and passing 16729 * it to a caller-supplied functor to be applied to the running system. 16730 */ 16731 private void restoreFromXml(XmlPullParser parser, int userId, 16732 String expectedStartTag, BlobXmlRestorer functor) 16733 throws IOException, XmlPullParserException { 16734 int type; 16735 while ((type = parser.next()) != XmlPullParser.START_TAG 16736 && type != XmlPullParser.END_DOCUMENT) { 16737 } 16738 if (type != XmlPullParser.START_TAG) { 16739 // oops didn't find a start tag?! 16740 if (DEBUG_BACKUP) { 16741 Slog.e(TAG, "Didn't find start tag during restore"); 16742 } 16743 return; 16744 } 16745Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16746 // this is supposed to be TAG_PREFERRED_BACKUP 16747 if (!expectedStartTag.equals(parser.getName())) { 16748 if (DEBUG_BACKUP) { 16749 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16750 } 16751 return; 16752 } 16753 16754 // skip interfering stuff, then we're aligned with the backing implementation 16755 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16756Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16757 functor.apply(parser, userId); 16758 } 16759 16760 private interface BlobXmlRestorer { 16761 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16762 } 16763 16764 /** 16765 * Non-Binder method, support for the backup/restore mechanism: write the 16766 * full set of preferred activities in its canonical XML format. Returns the 16767 * XML output as a byte array, or null if there is none. 16768 */ 16769 @Override 16770 public byte[] getPreferredActivityBackup(int userId) { 16771 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16772 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16773 } 16774 16775 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16776 try { 16777 final XmlSerializer serializer = new FastXmlSerializer(); 16778 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16779 serializer.startDocument(null, true); 16780 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16781 16782 synchronized (mPackages) { 16783 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16784 } 16785 16786 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16787 serializer.endDocument(); 16788 serializer.flush(); 16789 } catch (Exception e) { 16790 if (DEBUG_BACKUP) { 16791 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16792 } 16793 return null; 16794 } 16795 16796 return dataStream.toByteArray(); 16797 } 16798 16799 @Override 16800 public void restorePreferredActivities(byte[] backup, int userId) { 16801 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16802 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16803 } 16804 16805 try { 16806 final XmlPullParser parser = Xml.newPullParser(); 16807 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16808 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16809 new BlobXmlRestorer() { 16810 @Override 16811 public void apply(XmlPullParser parser, int userId) 16812 throws XmlPullParserException, IOException { 16813 synchronized (mPackages) { 16814 mSettings.readPreferredActivitiesLPw(parser, userId); 16815 } 16816 } 16817 } ); 16818 } catch (Exception e) { 16819 if (DEBUG_BACKUP) { 16820 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16821 } 16822 } 16823 } 16824 16825 /** 16826 * Non-Binder method, support for the backup/restore mechanism: write the 16827 * default browser (etc) settings in its canonical XML format. Returns the default 16828 * browser XML representation as a byte array, or null if there is none. 16829 */ 16830 @Override 16831 public byte[] getDefaultAppsBackup(int userId) { 16832 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16833 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16834 } 16835 16836 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16837 try { 16838 final XmlSerializer serializer = new FastXmlSerializer(); 16839 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16840 serializer.startDocument(null, true); 16841 serializer.startTag(null, TAG_DEFAULT_APPS); 16842 16843 synchronized (mPackages) { 16844 mSettings.writeDefaultAppsLPr(serializer, userId); 16845 } 16846 16847 serializer.endTag(null, TAG_DEFAULT_APPS); 16848 serializer.endDocument(); 16849 serializer.flush(); 16850 } catch (Exception e) { 16851 if (DEBUG_BACKUP) { 16852 Slog.e(TAG, "Unable to write default apps for backup", e); 16853 } 16854 return null; 16855 } 16856 16857 return dataStream.toByteArray(); 16858 } 16859 16860 @Override 16861 public void restoreDefaultApps(byte[] backup, int userId) { 16862 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16863 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16864 } 16865 16866 try { 16867 final XmlPullParser parser = Xml.newPullParser(); 16868 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16869 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16870 new BlobXmlRestorer() { 16871 @Override 16872 public void apply(XmlPullParser parser, int userId) 16873 throws XmlPullParserException, IOException { 16874 synchronized (mPackages) { 16875 mSettings.readDefaultAppsLPw(parser, userId); 16876 } 16877 } 16878 } ); 16879 } catch (Exception e) { 16880 if (DEBUG_BACKUP) { 16881 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16882 } 16883 } 16884 } 16885 16886 @Override 16887 public byte[] getIntentFilterVerificationBackup(int userId) { 16888 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16889 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16890 } 16891 16892 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16893 try { 16894 final XmlSerializer serializer = new FastXmlSerializer(); 16895 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16896 serializer.startDocument(null, true); 16897 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16898 16899 synchronized (mPackages) { 16900 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16901 } 16902 16903 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16904 serializer.endDocument(); 16905 serializer.flush(); 16906 } catch (Exception e) { 16907 if (DEBUG_BACKUP) { 16908 Slog.e(TAG, "Unable to write default apps for backup", e); 16909 } 16910 return null; 16911 } 16912 16913 return dataStream.toByteArray(); 16914 } 16915 16916 @Override 16917 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16918 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16919 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16920 } 16921 16922 try { 16923 final XmlPullParser parser = Xml.newPullParser(); 16924 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16925 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16926 new BlobXmlRestorer() { 16927 @Override 16928 public void apply(XmlPullParser parser, int userId) 16929 throws XmlPullParserException, IOException { 16930 synchronized (mPackages) { 16931 mSettings.readAllDomainVerificationsLPr(parser, userId); 16932 mSettings.writeLPr(); 16933 } 16934 } 16935 } ); 16936 } catch (Exception e) { 16937 if (DEBUG_BACKUP) { 16938 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16939 } 16940 } 16941 } 16942 16943 @Override 16944 public byte[] getPermissionGrantBackup(int userId) { 16945 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16946 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16947 } 16948 16949 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16950 try { 16951 final XmlSerializer serializer = new FastXmlSerializer(); 16952 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16953 serializer.startDocument(null, true); 16954 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16955 16956 synchronized (mPackages) { 16957 serializeRuntimePermissionGrantsLPr(serializer, userId); 16958 } 16959 16960 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16961 serializer.endDocument(); 16962 serializer.flush(); 16963 } catch (Exception e) { 16964 if (DEBUG_BACKUP) { 16965 Slog.e(TAG, "Unable to write default apps for backup", e); 16966 } 16967 return null; 16968 } 16969 16970 return dataStream.toByteArray(); 16971 } 16972 16973 @Override 16974 public void restorePermissionGrants(byte[] backup, int userId) { 16975 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16976 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16977 } 16978 16979 try { 16980 final XmlPullParser parser = Xml.newPullParser(); 16981 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16982 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16983 new BlobXmlRestorer() { 16984 @Override 16985 public void apply(XmlPullParser parser, int userId) 16986 throws XmlPullParserException, IOException { 16987 synchronized (mPackages) { 16988 processRestoredPermissionGrantsLPr(parser, userId); 16989 } 16990 } 16991 } ); 16992 } catch (Exception e) { 16993 if (DEBUG_BACKUP) { 16994 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16995 } 16996 } 16997 } 16998 16999 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17000 throws IOException { 17001 serializer.startTag(null, TAG_ALL_GRANTS); 17002 17003 final int N = mSettings.mPackages.size(); 17004 for (int i = 0; i < N; i++) { 17005 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17006 boolean pkgGrantsKnown = false; 17007 17008 PermissionsState packagePerms = ps.getPermissionsState(); 17009 17010 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17011 final int grantFlags = state.getFlags(); 17012 // only look at grants that are not system/policy fixed 17013 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17014 final boolean isGranted = state.isGranted(); 17015 // And only back up the user-twiddled state bits 17016 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17017 final String packageName = mSettings.mPackages.keyAt(i); 17018 if (!pkgGrantsKnown) { 17019 serializer.startTag(null, TAG_GRANT); 17020 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17021 pkgGrantsKnown = true; 17022 } 17023 17024 final boolean userSet = 17025 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17026 final boolean userFixed = 17027 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17028 final boolean revoke = 17029 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17030 17031 serializer.startTag(null, TAG_PERMISSION); 17032 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17033 if (isGranted) { 17034 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17035 } 17036 if (userSet) { 17037 serializer.attribute(null, ATTR_USER_SET, "true"); 17038 } 17039 if (userFixed) { 17040 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17041 } 17042 if (revoke) { 17043 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17044 } 17045 serializer.endTag(null, TAG_PERMISSION); 17046 } 17047 } 17048 } 17049 17050 if (pkgGrantsKnown) { 17051 serializer.endTag(null, TAG_GRANT); 17052 } 17053 } 17054 17055 serializer.endTag(null, TAG_ALL_GRANTS); 17056 } 17057 17058 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17059 throws XmlPullParserException, IOException { 17060 String pkgName = null; 17061 int outerDepth = parser.getDepth(); 17062 int type; 17063 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17064 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17065 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17066 continue; 17067 } 17068 17069 final String tagName = parser.getName(); 17070 if (tagName.equals(TAG_GRANT)) { 17071 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17072 if (DEBUG_BACKUP) { 17073 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17074 } 17075 } else if (tagName.equals(TAG_PERMISSION)) { 17076 17077 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17078 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17079 17080 int newFlagSet = 0; 17081 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17082 newFlagSet |= FLAG_PERMISSION_USER_SET; 17083 } 17084 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17085 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17086 } 17087 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17088 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17089 } 17090 if (DEBUG_BACKUP) { 17091 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17092 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17093 } 17094 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17095 if (ps != null) { 17096 // Already installed so we apply the grant immediately 17097 if (DEBUG_BACKUP) { 17098 Slog.v(TAG, " + already installed; applying"); 17099 } 17100 PermissionsState perms = ps.getPermissionsState(); 17101 BasePermission bp = mSettings.mPermissions.get(permName); 17102 if (bp != null) { 17103 if (isGranted) { 17104 perms.grantRuntimePermission(bp, userId); 17105 } 17106 if (newFlagSet != 0) { 17107 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17108 } 17109 } 17110 } else { 17111 // Need to wait for post-restore install to apply the grant 17112 if (DEBUG_BACKUP) { 17113 Slog.v(TAG, " - not yet installed; saving for later"); 17114 } 17115 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17116 isGranted, newFlagSet, userId); 17117 } 17118 } else { 17119 PackageManagerService.reportSettingsProblem(Log.WARN, 17120 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17121 XmlUtils.skipCurrentTag(parser); 17122 } 17123 } 17124 17125 scheduleWriteSettingsLocked(); 17126 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17127 } 17128 17129 @Override 17130 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17131 int sourceUserId, int targetUserId, int flags) { 17132 mContext.enforceCallingOrSelfPermission( 17133 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17134 int callingUid = Binder.getCallingUid(); 17135 enforceOwnerRights(ownerPackage, callingUid); 17136 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17137 if (intentFilter.countActions() == 0) { 17138 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17139 return; 17140 } 17141 synchronized (mPackages) { 17142 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17143 ownerPackage, targetUserId, flags); 17144 CrossProfileIntentResolver resolver = 17145 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17146 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17147 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17148 if (existing != null) { 17149 int size = existing.size(); 17150 for (int i = 0; i < size; i++) { 17151 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17152 return; 17153 } 17154 } 17155 } 17156 resolver.addFilter(newFilter); 17157 scheduleWritePackageRestrictionsLocked(sourceUserId); 17158 } 17159 } 17160 17161 @Override 17162 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17163 mContext.enforceCallingOrSelfPermission( 17164 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17165 int callingUid = Binder.getCallingUid(); 17166 enforceOwnerRights(ownerPackage, callingUid); 17167 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17168 synchronized (mPackages) { 17169 CrossProfileIntentResolver resolver = 17170 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17171 ArraySet<CrossProfileIntentFilter> set = 17172 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17173 for (CrossProfileIntentFilter filter : set) { 17174 if (filter.getOwnerPackage().equals(ownerPackage)) { 17175 resolver.removeFilter(filter); 17176 } 17177 } 17178 scheduleWritePackageRestrictionsLocked(sourceUserId); 17179 } 17180 } 17181 17182 // Enforcing that callingUid is owning pkg on userId 17183 private void enforceOwnerRights(String pkg, int callingUid) { 17184 // The system owns everything. 17185 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17186 return; 17187 } 17188 int callingUserId = UserHandle.getUserId(callingUid); 17189 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17190 if (pi == null) { 17191 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17192 + callingUserId); 17193 } 17194 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17195 throw new SecurityException("Calling uid " + callingUid 17196 + " does not own package " + pkg); 17197 } 17198 } 17199 17200 @Override 17201 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17202 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17203 } 17204 17205 private Intent getHomeIntent() { 17206 Intent intent = new Intent(Intent.ACTION_MAIN); 17207 intent.addCategory(Intent.CATEGORY_HOME); 17208 return intent; 17209 } 17210 17211 private IntentFilter getHomeFilter() { 17212 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17213 filter.addCategory(Intent.CATEGORY_HOME); 17214 filter.addCategory(Intent.CATEGORY_DEFAULT); 17215 return filter; 17216 } 17217 17218 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17219 int userId) { 17220 Intent intent = getHomeIntent(); 17221 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17222 PackageManager.GET_META_DATA, userId); 17223 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17224 true, false, false, userId); 17225 17226 allHomeCandidates.clear(); 17227 if (list != null) { 17228 for (ResolveInfo ri : list) { 17229 allHomeCandidates.add(ri); 17230 } 17231 } 17232 return (preferred == null || preferred.activityInfo == null) 17233 ? null 17234 : new ComponentName(preferred.activityInfo.packageName, 17235 preferred.activityInfo.name); 17236 } 17237 17238 @Override 17239 public void setHomeActivity(ComponentName comp, int userId) { 17240 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17241 getHomeActivitiesAsUser(homeActivities, userId); 17242 17243 boolean found = false; 17244 17245 final int size = homeActivities.size(); 17246 final ComponentName[] set = new ComponentName[size]; 17247 for (int i = 0; i < size; i++) { 17248 final ResolveInfo candidate = homeActivities.get(i); 17249 final ActivityInfo info = candidate.activityInfo; 17250 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17251 set[i] = activityName; 17252 if (!found && activityName.equals(comp)) { 17253 found = true; 17254 } 17255 } 17256 if (!found) { 17257 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17258 + userId); 17259 } 17260 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17261 set, comp, userId); 17262 } 17263 17264 private @Nullable String getSetupWizardPackageName() { 17265 final Intent intent = new Intent(Intent.ACTION_MAIN); 17266 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17267 17268 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17269 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17270 | MATCH_DISABLED_COMPONENTS, 17271 UserHandle.myUserId()); 17272 if (matches.size() == 1) { 17273 return matches.get(0).getComponentInfo().packageName; 17274 } else { 17275 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17276 + ": matches=" + matches); 17277 return null; 17278 } 17279 } 17280 17281 @Override 17282 public void setApplicationEnabledSetting(String appPackageName, 17283 int newState, int flags, int userId, String callingPackage) { 17284 if (!sUserManager.exists(userId)) return; 17285 if (callingPackage == null) { 17286 callingPackage = Integer.toString(Binder.getCallingUid()); 17287 } 17288 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17289 } 17290 17291 @Override 17292 public void setComponentEnabledSetting(ComponentName componentName, 17293 int newState, int flags, int userId) { 17294 if (!sUserManager.exists(userId)) return; 17295 setEnabledSetting(componentName.getPackageName(), 17296 componentName.getClassName(), newState, flags, userId, null); 17297 } 17298 17299 private void setEnabledSetting(final String packageName, String className, int newState, 17300 final int flags, int userId, String callingPackage) { 17301 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17302 || newState == COMPONENT_ENABLED_STATE_ENABLED 17303 || newState == COMPONENT_ENABLED_STATE_DISABLED 17304 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17305 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17306 throw new IllegalArgumentException("Invalid new component state: " 17307 + newState); 17308 } 17309 PackageSetting pkgSetting; 17310 final int uid = Binder.getCallingUid(); 17311 final int permission; 17312 if (uid == Process.SYSTEM_UID) { 17313 permission = PackageManager.PERMISSION_GRANTED; 17314 } else { 17315 permission = mContext.checkCallingOrSelfPermission( 17316 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17317 } 17318 enforceCrossUserPermission(uid, userId, 17319 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17320 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17321 boolean sendNow = false; 17322 boolean isApp = (className == null); 17323 String componentName = isApp ? packageName : className; 17324 int packageUid = -1; 17325 ArrayList<String> components; 17326 17327 // writer 17328 synchronized (mPackages) { 17329 pkgSetting = mSettings.mPackages.get(packageName); 17330 if (pkgSetting == null) { 17331 if (className == null) { 17332 throw new IllegalArgumentException("Unknown package: " + packageName); 17333 } 17334 throw new IllegalArgumentException( 17335 "Unknown component: " + packageName + "/" + className); 17336 } 17337 // Allow root and verify that userId is not being specified by a different user 17338 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17339 throw new SecurityException( 17340 "Permission Denial: attempt to change component state from pid=" 17341 + Binder.getCallingPid() 17342 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17343 } 17344 if (className == null) { 17345 // We're dealing with an application/package level state change 17346 if (pkgSetting.getEnabled(userId) == newState) { 17347 // Nothing to do 17348 return; 17349 } 17350 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17351 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17352 // Don't care about who enables an app. 17353 callingPackage = null; 17354 } 17355 pkgSetting.setEnabled(newState, userId, callingPackage); 17356 // pkgSetting.pkg.mSetEnabled = newState; 17357 } else { 17358 // We're dealing with a component level state change 17359 // First, verify that this is a valid class name. 17360 PackageParser.Package pkg = pkgSetting.pkg; 17361 if (pkg == null || !pkg.hasComponentClassName(className)) { 17362 if (pkg != null && 17363 pkg.applicationInfo.targetSdkVersion >= 17364 Build.VERSION_CODES.JELLY_BEAN) { 17365 throw new IllegalArgumentException("Component class " + className 17366 + " does not exist in " + packageName); 17367 } else { 17368 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17369 + className + " does not exist in " + packageName); 17370 } 17371 } 17372 switch (newState) { 17373 case COMPONENT_ENABLED_STATE_ENABLED: 17374 if (!pkgSetting.enableComponentLPw(className, userId)) { 17375 return; 17376 } 17377 break; 17378 case COMPONENT_ENABLED_STATE_DISABLED: 17379 if (!pkgSetting.disableComponentLPw(className, userId)) { 17380 return; 17381 } 17382 break; 17383 case COMPONENT_ENABLED_STATE_DEFAULT: 17384 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17385 return; 17386 } 17387 break; 17388 default: 17389 Slog.e(TAG, "Invalid new component state: " + newState); 17390 return; 17391 } 17392 } 17393 scheduleWritePackageRestrictionsLocked(userId); 17394 components = mPendingBroadcasts.get(userId, packageName); 17395 final boolean newPackage = components == null; 17396 if (newPackage) { 17397 components = new ArrayList<String>(); 17398 } 17399 if (!components.contains(componentName)) { 17400 components.add(componentName); 17401 } 17402 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17403 sendNow = true; 17404 // Purge entry from pending broadcast list if another one exists already 17405 // since we are sending one right away. 17406 mPendingBroadcasts.remove(userId, packageName); 17407 } else { 17408 if (newPackage) { 17409 mPendingBroadcasts.put(userId, packageName, components); 17410 } 17411 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17412 // Schedule a message 17413 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17414 } 17415 } 17416 } 17417 17418 long callingId = Binder.clearCallingIdentity(); 17419 try { 17420 if (sendNow) { 17421 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17422 sendPackageChangedBroadcast(packageName, 17423 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17424 } 17425 } finally { 17426 Binder.restoreCallingIdentity(callingId); 17427 } 17428 } 17429 17430 @Override 17431 public void flushPackageRestrictionsAsUser(int userId) { 17432 if (!sUserManager.exists(userId)) { 17433 return; 17434 } 17435 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17436 false /* checkShell */, "flushPackageRestrictions"); 17437 synchronized (mPackages) { 17438 mSettings.writePackageRestrictionsLPr(userId); 17439 mDirtyUsers.remove(userId); 17440 if (mDirtyUsers.isEmpty()) { 17441 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17442 } 17443 } 17444 } 17445 17446 private void sendPackageChangedBroadcast(String packageName, 17447 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17448 if (DEBUG_INSTALL) 17449 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17450 + componentNames); 17451 Bundle extras = new Bundle(4); 17452 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17453 String nameList[] = new String[componentNames.size()]; 17454 componentNames.toArray(nameList); 17455 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17456 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17457 extras.putInt(Intent.EXTRA_UID, packageUid); 17458 // If this is not reporting a change of the overall package, then only send it 17459 // to registered receivers. We don't want to launch a swath of apps for every 17460 // little component state change. 17461 final int flags = !componentNames.contains(packageName) 17462 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17463 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17464 new int[] {UserHandle.getUserId(packageUid)}); 17465 } 17466 17467 @Override 17468 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17469 if (!sUserManager.exists(userId)) return; 17470 final int uid = Binder.getCallingUid(); 17471 final int permission = mContext.checkCallingOrSelfPermission( 17472 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17473 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17474 enforceCrossUserPermission(uid, userId, 17475 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17476 // writer 17477 synchronized (mPackages) { 17478 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17479 allowedByPermission, uid, userId)) { 17480 scheduleWritePackageRestrictionsLocked(userId); 17481 } 17482 } 17483 } 17484 17485 @Override 17486 public String getInstallerPackageName(String packageName) { 17487 // reader 17488 synchronized (mPackages) { 17489 return mSettings.getInstallerPackageNameLPr(packageName); 17490 } 17491 } 17492 17493 @Override 17494 public int getApplicationEnabledSetting(String packageName, int userId) { 17495 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17496 int uid = Binder.getCallingUid(); 17497 enforceCrossUserPermission(uid, userId, 17498 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17499 // reader 17500 synchronized (mPackages) { 17501 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17502 } 17503 } 17504 17505 @Override 17506 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17507 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17508 int uid = Binder.getCallingUid(); 17509 enforceCrossUserPermission(uid, userId, 17510 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17511 // reader 17512 synchronized (mPackages) { 17513 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17514 } 17515 } 17516 17517 @Override 17518 public void enterSafeMode() { 17519 enforceSystemOrRoot("Only the system can request entering safe mode"); 17520 17521 if (!mSystemReady) { 17522 mSafeMode = true; 17523 } 17524 } 17525 17526 @Override 17527 public void systemReady() { 17528 mSystemReady = true; 17529 17530 // Read the compatibilty setting when the system is ready. 17531 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17532 mContext.getContentResolver(), 17533 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17534 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17535 if (DEBUG_SETTINGS) { 17536 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17537 } 17538 17539 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17540 17541 synchronized (mPackages) { 17542 // Verify that all of the preferred activity components actually 17543 // exist. It is possible for applications to be updated and at 17544 // that point remove a previously declared activity component that 17545 // had been set as a preferred activity. We try to clean this up 17546 // the next time we encounter that preferred activity, but it is 17547 // possible for the user flow to never be able to return to that 17548 // situation so here we do a sanity check to make sure we haven't 17549 // left any junk around. 17550 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17551 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17552 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17553 removed.clear(); 17554 for (PreferredActivity pa : pir.filterSet()) { 17555 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17556 removed.add(pa); 17557 } 17558 } 17559 if (removed.size() > 0) { 17560 for (int r=0; r<removed.size(); r++) { 17561 PreferredActivity pa = removed.get(r); 17562 Slog.w(TAG, "Removing dangling preferred activity: " 17563 + pa.mPref.mComponent); 17564 pir.removeFilter(pa); 17565 } 17566 mSettings.writePackageRestrictionsLPr( 17567 mSettings.mPreferredActivities.keyAt(i)); 17568 } 17569 } 17570 17571 for (int userId : UserManagerService.getInstance().getUserIds()) { 17572 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17573 grantPermissionsUserIds = ArrayUtils.appendInt( 17574 grantPermissionsUserIds, userId); 17575 } 17576 } 17577 } 17578 sUserManager.systemReady(); 17579 17580 // If we upgraded grant all default permissions before kicking off. 17581 for (int userId : grantPermissionsUserIds) { 17582 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17583 } 17584 17585 // Kick off any messages waiting for system ready 17586 if (mPostSystemReadyMessages != null) { 17587 for (Message msg : mPostSystemReadyMessages) { 17588 msg.sendToTarget(); 17589 } 17590 mPostSystemReadyMessages = null; 17591 } 17592 17593 // Watch for external volumes that come and go over time 17594 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17595 storage.registerListener(mStorageListener); 17596 17597 mInstallerService.systemReady(); 17598 mPackageDexOptimizer.systemReady(); 17599 17600 MountServiceInternal mountServiceInternal = LocalServices.getService( 17601 MountServiceInternal.class); 17602 mountServiceInternal.addExternalStoragePolicy( 17603 new MountServiceInternal.ExternalStorageMountPolicy() { 17604 @Override 17605 public int getMountMode(int uid, String packageName) { 17606 if (Process.isIsolated(uid)) { 17607 return Zygote.MOUNT_EXTERNAL_NONE; 17608 } 17609 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17610 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17611 } 17612 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17613 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17614 } 17615 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17616 return Zygote.MOUNT_EXTERNAL_READ; 17617 } 17618 return Zygote.MOUNT_EXTERNAL_WRITE; 17619 } 17620 17621 @Override 17622 public boolean hasExternalStorage(int uid, String packageName) { 17623 return true; 17624 } 17625 }); 17626 17627 // Now that we're mostly running, clean up stale users and apps 17628 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17629 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17630 } 17631 17632 @Override 17633 public boolean isSafeMode() { 17634 return mSafeMode; 17635 } 17636 17637 @Override 17638 public boolean hasSystemUidErrors() { 17639 return mHasSystemUidErrors; 17640 } 17641 17642 static String arrayToString(int[] array) { 17643 StringBuffer buf = new StringBuffer(128); 17644 buf.append('['); 17645 if (array != null) { 17646 for (int i=0; i<array.length; i++) { 17647 if (i > 0) buf.append(", "); 17648 buf.append(array[i]); 17649 } 17650 } 17651 buf.append(']'); 17652 return buf.toString(); 17653 } 17654 17655 static class DumpState { 17656 public static final int DUMP_LIBS = 1 << 0; 17657 public static final int DUMP_FEATURES = 1 << 1; 17658 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17659 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17660 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17661 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17662 public static final int DUMP_PERMISSIONS = 1 << 6; 17663 public static final int DUMP_PACKAGES = 1 << 7; 17664 public static final int DUMP_SHARED_USERS = 1 << 8; 17665 public static final int DUMP_MESSAGES = 1 << 9; 17666 public static final int DUMP_PROVIDERS = 1 << 10; 17667 public static final int DUMP_VERIFIERS = 1 << 11; 17668 public static final int DUMP_PREFERRED = 1 << 12; 17669 public static final int DUMP_PREFERRED_XML = 1 << 13; 17670 public static final int DUMP_KEYSETS = 1 << 14; 17671 public static final int DUMP_VERSION = 1 << 15; 17672 public static final int DUMP_INSTALLS = 1 << 16; 17673 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17674 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17675 public static final int DUMP_FROZEN = 1 << 19; 17676 17677 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17678 17679 private int mTypes; 17680 17681 private int mOptions; 17682 17683 private boolean mTitlePrinted; 17684 17685 private SharedUserSetting mSharedUser; 17686 17687 public boolean isDumping(int type) { 17688 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17689 return true; 17690 } 17691 17692 return (mTypes & type) != 0; 17693 } 17694 17695 public void setDump(int type) { 17696 mTypes |= type; 17697 } 17698 17699 public boolean isOptionEnabled(int option) { 17700 return (mOptions & option) != 0; 17701 } 17702 17703 public void setOptionEnabled(int option) { 17704 mOptions |= option; 17705 } 17706 17707 public boolean onTitlePrinted() { 17708 final boolean printed = mTitlePrinted; 17709 mTitlePrinted = true; 17710 return printed; 17711 } 17712 17713 public boolean getTitlePrinted() { 17714 return mTitlePrinted; 17715 } 17716 17717 public void setTitlePrinted(boolean enabled) { 17718 mTitlePrinted = enabled; 17719 } 17720 17721 public SharedUserSetting getSharedUser() { 17722 return mSharedUser; 17723 } 17724 17725 public void setSharedUser(SharedUserSetting user) { 17726 mSharedUser = user; 17727 } 17728 } 17729 17730 @Override 17731 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17732 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17733 (new PackageManagerShellCommand(this)).exec( 17734 this, in, out, err, args, resultReceiver); 17735 } 17736 17737 @Override 17738 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17739 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17740 != PackageManager.PERMISSION_GRANTED) { 17741 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17742 + Binder.getCallingPid() 17743 + ", uid=" + Binder.getCallingUid() 17744 + " without permission " 17745 + android.Manifest.permission.DUMP); 17746 return; 17747 } 17748 17749 DumpState dumpState = new DumpState(); 17750 boolean fullPreferred = false; 17751 boolean checkin = false; 17752 17753 String packageName = null; 17754 ArraySet<String> permissionNames = null; 17755 17756 int opti = 0; 17757 while (opti < args.length) { 17758 String opt = args[opti]; 17759 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17760 break; 17761 } 17762 opti++; 17763 17764 if ("-a".equals(opt)) { 17765 // Right now we only know how to print all. 17766 } else if ("-h".equals(opt)) { 17767 pw.println("Package manager dump options:"); 17768 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17769 pw.println(" --checkin: dump for a checkin"); 17770 pw.println(" -f: print details of intent filters"); 17771 pw.println(" -h: print this help"); 17772 pw.println(" cmd may be one of:"); 17773 pw.println(" l[ibraries]: list known shared libraries"); 17774 pw.println(" f[eatures]: list device features"); 17775 pw.println(" k[eysets]: print known keysets"); 17776 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17777 pw.println(" perm[issions]: dump permissions"); 17778 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17779 pw.println(" pref[erred]: print preferred package settings"); 17780 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17781 pw.println(" prov[iders]: dump content providers"); 17782 pw.println(" p[ackages]: dump installed packages"); 17783 pw.println(" s[hared-users]: dump shared user IDs"); 17784 pw.println(" m[essages]: print collected runtime messages"); 17785 pw.println(" v[erifiers]: print package verifier info"); 17786 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17787 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17788 pw.println(" version: print database version info"); 17789 pw.println(" write: write current settings now"); 17790 pw.println(" installs: details about install sessions"); 17791 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17792 pw.println(" <package.name>: info about given package"); 17793 return; 17794 } else if ("--checkin".equals(opt)) { 17795 checkin = true; 17796 } else if ("-f".equals(opt)) { 17797 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17798 } else { 17799 pw.println("Unknown argument: " + opt + "; use -h for help"); 17800 } 17801 } 17802 17803 // Is the caller requesting to dump a particular piece of data? 17804 if (opti < args.length) { 17805 String cmd = args[opti]; 17806 opti++; 17807 // Is this a package name? 17808 if ("android".equals(cmd) || cmd.contains(".")) { 17809 packageName = cmd; 17810 // When dumping a single package, we always dump all of its 17811 // filter information since the amount of data will be reasonable. 17812 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17813 } else if ("check-permission".equals(cmd)) { 17814 if (opti >= args.length) { 17815 pw.println("Error: check-permission missing permission argument"); 17816 return; 17817 } 17818 String perm = args[opti]; 17819 opti++; 17820 if (opti >= args.length) { 17821 pw.println("Error: check-permission missing package argument"); 17822 return; 17823 } 17824 String pkg = args[opti]; 17825 opti++; 17826 int user = UserHandle.getUserId(Binder.getCallingUid()); 17827 if (opti < args.length) { 17828 try { 17829 user = Integer.parseInt(args[opti]); 17830 } catch (NumberFormatException e) { 17831 pw.println("Error: check-permission user argument is not a number: " 17832 + args[opti]); 17833 return; 17834 } 17835 } 17836 pw.println(checkPermission(perm, pkg, user)); 17837 return; 17838 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17839 dumpState.setDump(DumpState.DUMP_LIBS); 17840 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17841 dumpState.setDump(DumpState.DUMP_FEATURES); 17842 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17843 if (opti >= args.length) { 17844 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17845 | DumpState.DUMP_SERVICE_RESOLVERS 17846 | DumpState.DUMP_RECEIVER_RESOLVERS 17847 | DumpState.DUMP_CONTENT_RESOLVERS); 17848 } else { 17849 while (opti < args.length) { 17850 String name = args[opti]; 17851 if ("a".equals(name) || "activity".equals(name)) { 17852 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17853 } else if ("s".equals(name) || "service".equals(name)) { 17854 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17855 } else if ("r".equals(name) || "receiver".equals(name)) { 17856 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17857 } else if ("c".equals(name) || "content".equals(name)) { 17858 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17859 } else { 17860 pw.println("Error: unknown resolver table type: " + name); 17861 return; 17862 } 17863 opti++; 17864 } 17865 } 17866 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17867 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17868 } else if ("permission".equals(cmd)) { 17869 if (opti >= args.length) { 17870 pw.println("Error: permission requires permission name"); 17871 return; 17872 } 17873 permissionNames = new ArraySet<>(); 17874 while (opti < args.length) { 17875 permissionNames.add(args[opti]); 17876 opti++; 17877 } 17878 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17879 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17880 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17881 dumpState.setDump(DumpState.DUMP_PREFERRED); 17882 } else if ("preferred-xml".equals(cmd)) { 17883 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17884 if (opti < args.length && "--full".equals(args[opti])) { 17885 fullPreferred = true; 17886 opti++; 17887 } 17888 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17889 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17890 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17891 dumpState.setDump(DumpState.DUMP_PACKAGES); 17892 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17893 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17894 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17895 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17896 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17897 dumpState.setDump(DumpState.DUMP_MESSAGES); 17898 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17899 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17900 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17901 || "intent-filter-verifiers".equals(cmd)) { 17902 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17903 } else if ("version".equals(cmd)) { 17904 dumpState.setDump(DumpState.DUMP_VERSION); 17905 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17906 dumpState.setDump(DumpState.DUMP_KEYSETS); 17907 } else if ("installs".equals(cmd)) { 17908 dumpState.setDump(DumpState.DUMP_INSTALLS); 17909 } else if ("frozen".equals(cmd)) { 17910 dumpState.setDump(DumpState.DUMP_FROZEN); 17911 } else if ("write".equals(cmd)) { 17912 synchronized (mPackages) { 17913 mSettings.writeLPr(); 17914 pw.println("Settings written."); 17915 return; 17916 } 17917 } 17918 } 17919 17920 if (checkin) { 17921 pw.println("vers,1"); 17922 } 17923 17924 // reader 17925 synchronized (mPackages) { 17926 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17927 if (!checkin) { 17928 if (dumpState.onTitlePrinted()) 17929 pw.println(); 17930 pw.println("Database versions:"); 17931 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17932 } 17933 } 17934 17935 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17936 if (!checkin) { 17937 if (dumpState.onTitlePrinted()) 17938 pw.println(); 17939 pw.println("Verifiers:"); 17940 pw.print(" Required: "); 17941 pw.print(mRequiredVerifierPackage); 17942 pw.print(" (uid="); 17943 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17944 UserHandle.USER_SYSTEM)); 17945 pw.println(")"); 17946 } else if (mRequiredVerifierPackage != null) { 17947 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17948 pw.print(","); 17949 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17950 UserHandle.USER_SYSTEM)); 17951 } 17952 } 17953 17954 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17955 packageName == null) { 17956 if (mIntentFilterVerifierComponent != null) { 17957 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17958 if (!checkin) { 17959 if (dumpState.onTitlePrinted()) 17960 pw.println(); 17961 pw.println("Intent Filter Verifier:"); 17962 pw.print(" Using: "); 17963 pw.print(verifierPackageName); 17964 pw.print(" (uid="); 17965 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17966 UserHandle.USER_SYSTEM)); 17967 pw.println(")"); 17968 } else if (verifierPackageName != null) { 17969 pw.print("ifv,"); pw.print(verifierPackageName); 17970 pw.print(","); 17971 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17972 UserHandle.USER_SYSTEM)); 17973 } 17974 } else { 17975 pw.println(); 17976 pw.println("No Intent Filter Verifier available!"); 17977 } 17978 } 17979 17980 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17981 boolean printedHeader = false; 17982 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17983 while (it.hasNext()) { 17984 String name = it.next(); 17985 SharedLibraryEntry ent = mSharedLibraries.get(name); 17986 if (!checkin) { 17987 if (!printedHeader) { 17988 if (dumpState.onTitlePrinted()) 17989 pw.println(); 17990 pw.println("Libraries:"); 17991 printedHeader = true; 17992 } 17993 pw.print(" "); 17994 } else { 17995 pw.print("lib,"); 17996 } 17997 pw.print(name); 17998 if (!checkin) { 17999 pw.print(" -> "); 18000 } 18001 if (ent.path != null) { 18002 if (!checkin) { 18003 pw.print("(jar) "); 18004 pw.print(ent.path); 18005 } else { 18006 pw.print(",jar,"); 18007 pw.print(ent.path); 18008 } 18009 } else { 18010 if (!checkin) { 18011 pw.print("(apk) "); 18012 pw.print(ent.apk); 18013 } else { 18014 pw.print(",apk,"); 18015 pw.print(ent.apk); 18016 } 18017 } 18018 pw.println(); 18019 } 18020 } 18021 18022 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18023 if (dumpState.onTitlePrinted()) 18024 pw.println(); 18025 if (!checkin) { 18026 pw.println("Features:"); 18027 } 18028 18029 for (FeatureInfo feat : mAvailableFeatures.values()) { 18030 if (checkin) { 18031 pw.print("feat,"); 18032 pw.print(feat.name); 18033 pw.print(","); 18034 pw.println(feat.version); 18035 } else { 18036 pw.print(" "); 18037 pw.print(feat.name); 18038 if (feat.version > 0) { 18039 pw.print(" version="); 18040 pw.print(feat.version); 18041 } 18042 pw.println(); 18043 } 18044 } 18045 } 18046 18047 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18048 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18049 : "Activity Resolver Table:", " ", packageName, 18050 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18051 dumpState.setTitlePrinted(true); 18052 } 18053 } 18054 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18055 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18056 : "Receiver Resolver Table:", " ", packageName, 18057 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18058 dumpState.setTitlePrinted(true); 18059 } 18060 } 18061 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18062 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18063 : "Service Resolver Table:", " ", packageName, 18064 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18065 dumpState.setTitlePrinted(true); 18066 } 18067 } 18068 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18069 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18070 : "Provider Resolver Table:", " ", packageName, 18071 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18072 dumpState.setTitlePrinted(true); 18073 } 18074 } 18075 18076 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18077 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18078 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18079 int user = mSettings.mPreferredActivities.keyAt(i); 18080 if (pir.dump(pw, 18081 dumpState.getTitlePrinted() 18082 ? "\nPreferred Activities User " + user + ":" 18083 : "Preferred Activities User " + user + ":", " ", 18084 packageName, true, false)) { 18085 dumpState.setTitlePrinted(true); 18086 } 18087 } 18088 } 18089 18090 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18091 pw.flush(); 18092 FileOutputStream fout = new FileOutputStream(fd); 18093 BufferedOutputStream str = new BufferedOutputStream(fout); 18094 XmlSerializer serializer = new FastXmlSerializer(); 18095 try { 18096 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18097 serializer.startDocument(null, true); 18098 serializer.setFeature( 18099 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18100 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18101 serializer.endDocument(); 18102 serializer.flush(); 18103 } catch (IllegalArgumentException e) { 18104 pw.println("Failed writing: " + e); 18105 } catch (IllegalStateException e) { 18106 pw.println("Failed writing: " + e); 18107 } catch (IOException e) { 18108 pw.println("Failed writing: " + e); 18109 } 18110 } 18111 18112 if (!checkin 18113 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18114 && packageName == null) { 18115 pw.println(); 18116 int count = mSettings.mPackages.size(); 18117 if (count == 0) { 18118 pw.println("No applications!"); 18119 pw.println(); 18120 } else { 18121 final String prefix = " "; 18122 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18123 if (allPackageSettings.size() == 0) { 18124 pw.println("No domain preferred apps!"); 18125 pw.println(); 18126 } else { 18127 pw.println("App verification status:"); 18128 pw.println(); 18129 count = 0; 18130 for (PackageSetting ps : allPackageSettings) { 18131 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18132 if (ivi == null || ivi.getPackageName() == null) continue; 18133 pw.println(prefix + "Package: " + ivi.getPackageName()); 18134 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18135 pw.println(prefix + "Status: " + ivi.getStatusString()); 18136 pw.println(); 18137 count++; 18138 } 18139 if (count == 0) { 18140 pw.println(prefix + "No app verification established."); 18141 pw.println(); 18142 } 18143 for (int userId : sUserManager.getUserIds()) { 18144 pw.println("App linkages for user " + userId + ":"); 18145 pw.println(); 18146 count = 0; 18147 for (PackageSetting ps : allPackageSettings) { 18148 final long status = ps.getDomainVerificationStatusForUser(userId); 18149 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18150 continue; 18151 } 18152 pw.println(prefix + "Package: " + ps.name); 18153 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18154 String statusStr = IntentFilterVerificationInfo. 18155 getStatusStringFromValue(status); 18156 pw.println(prefix + "Status: " + statusStr); 18157 pw.println(); 18158 count++; 18159 } 18160 if (count == 0) { 18161 pw.println(prefix + "No configured app linkages."); 18162 pw.println(); 18163 } 18164 } 18165 } 18166 } 18167 } 18168 18169 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18170 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18171 if (packageName == null && permissionNames == null) { 18172 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18173 if (iperm == 0) { 18174 if (dumpState.onTitlePrinted()) 18175 pw.println(); 18176 pw.println("AppOp Permissions:"); 18177 } 18178 pw.print(" AppOp Permission "); 18179 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18180 pw.println(":"); 18181 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18182 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18183 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18184 } 18185 } 18186 } 18187 } 18188 18189 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18190 boolean printedSomething = false; 18191 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18192 if (packageName != null && !packageName.equals(p.info.packageName)) { 18193 continue; 18194 } 18195 if (!printedSomething) { 18196 if (dumpState.onTitlePrinted()) 18197 pw.println(); 18198 pw.println("Registered ContentProviders:"); 18199 printedSomething = true; 18200 } 18201 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18202 pw.print(" "); pw.println(p.toString()); 18203 } 18204 printedSomething = false; 18205 for (Map.Entry<String, PackageParser.Provider> entry : 18206 mProvidersByAuthority.entrySet()) { 18207 PackageParser.Provider p = entry.getValue(); 18208 if (packageName != null && !packageName.equals(p.info.packageName)) { 18209 continue; 18210 } 18211 if (!printedSomething) { 18212 if (dumpState.onTitlePrinted()) 18213 pw.println(); 18214 pw.println("ContentProvider Authorities:"); 18215 printedSomething = true; 18216 } 18217 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18218 pw.print(" "); pw.println(p.toString()); 18219 if (p.info != null && p.info.applicationInfo != null) { 18220 final String appInfo = p.info.applicationInfo.toString(); 18221 pw.print(" applicationInfo="); pw.println(appInfo); 18222 } 18223 } 18224 } 18225 18226 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18227 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18228 } 18229 18230 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18231 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18232 } 18233 18234 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18235 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18236 } 18237 18238 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18239 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18240 } 18241 18242 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18243 // XXX should handle packageName != null by dumping only install data that 18244 // the given package is involved with. 18245 if (dumpState.onTitlePrinted()) pw.println(); 18246 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18247 } 18248 18249 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18250 // XXX should handle packageName != null by dumping only install data that 18251 // the given package is involved with. 18252 if (dumpState.onTitlePrinted()) pw.println(); 18253 18254 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18255 ipw.println(); 18256 ipw.println("Frozen packages:"); 18257 ipw.increaseIndent(); 18258 if (mFrozenPackages.size() == 0) { 18259 ipw.println("(none)"); 18260 } else { 18261 for (int i = 0; i < mFrozenPackages.size(); i++) { 18262 ipw.println(mFrozenPackages.valueAt(i)); 18263 } 18264 } 18265 ipw.decreaseIndent(); 18266 } 18267 18268 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18269 if (dumpState.onTitlePrinted()) pw.println(); 18270 mSettings.dumpReadMessagesLPr(pw, dumpState); 18271 18272 pw.println(); 18273 pw.println("Package warning messages:"); 18274 BufferedReader in = null; 18275 String line = null; 18276 try { 18277 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18278 while ((line = in.readLine()) != null) { 18279 if (line.contains("ignored: updated version")) continue; 18280 pw.println(line); 18281 } 18282 } catch (IOException ignored) { 18283 } finally { 18284 IoUtils.closeQuietly(in); 18285 } 18286 } 18287 18288 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18289 BufferedReader in = null; 18290 String line = null; 18291 try { 18292 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18293 while ((line = in.readLine()) != null) { 18294 if (line.contains("ignored: updated version")) continue; 18295 pw.print("msg,"); 18296 pw.println(line); 18297 } 18298 } catch (IOException ignored) { 18299 } finally { 18300 IoUtils.closeQuietly(in); 18301 } 18302 } 18303 } 18304 } 18305 18306 private String dumpDomainString(String packageName) { 18307 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18308 .getList(); 18309 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18310 18311 ArraySet<String> result = new ArraySet<>(); 18312 if (iviList.size() > 0) { 18313 for (IntentFilterVerificationInfo ivi : iviList) { 18314 for (String host : ivi.getDomains()) { 18315 result.add(host); 18316 } 18317 } 18318 } 18319 if (filters != null && filters.size() > 0) { 18320 for (IntentFilter filter : filters) { 18321 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18322 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18323 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18324 result.addAll(filter.getHostsList()); 18325 } 18326 } 18327 } 18328 18329 StringBuilder sb = new StringBuilder(result.size() * 16); 18330 for (String domain : result) { 18331 if (sb.length() > 0) sb.append(" "); 18332 sb.append(domain); 18333 } 18334 return sb.toString(); 18335 } 18336 18337 // ------- apps on sdcard specific code ------- 18338 static final boolean DEBUG_SD_INSTALL = false; 18339 18340 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18341 18342 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18343 18344 private boolean mMediaMounted = false; 18345 18346 static String getEncryptKey() { 18347 try { 18348 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18349 SD_ENCRYPTION_KEYSTORE_NAME); 18350 if (sdEncKey == null) { 18351 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18352 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18353 if (sdEncKey == null) { 18354 Slog.e(TAG, "Failed to create encryption keys"); 18355 return null; 18356 } 18357 } 18358 return sdEncKey; 18359 } catch (NoSuchAlgorithmException nsae) { 18360 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18361 return null; 18362 } catch (IOException ioe) { 18363 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18364 return null; 18365 } 18366 } 18367 18368 /* 18369 * Update media status on PackageManager. 18370 */ 18371 @Override 18372 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18373 int callingUid = Binder.getCallingUid(); 18374 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18375 throw new SecurityException("Media status can only be updated by the system"); 18376 } 18377 // reader; this apparently protects mMediaMounted, but should probably 18378 // be a different lock in that case. 18379 synchronized (mPackages) { 18380 Log.i(TAG, "Updating external media status from " 18381 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18382 + (mediaStatus ? "mounted" : "unmounted")); 18383 if (DEBUG_SD_INSTALL) 18384 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18385 + ", mMediaMounted=" + mMediaMounted); 18386 if (mediaStatus == mMediaMounted) { 18387 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18388 : 0, -1); 18389 mHandler.sendMessage(msg); 18390 return; 18391 } 18392 mMediaMounted = mediaStatus; 18393 } 18394 // Queue up an async operation since the package installation may take a 18395 // little while. 18396 mHandler.post(new Runnable() { 18397 public void run() { 18398 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18399 } 18400 }); 18401 } 18402 18403 /** 18404 * Called by MountService when the initial ASECs to scan are available. 18405 * Should block until all the ASEC containers are finished being scanned. 18406 */ 18407 public void scanAvailableAsecs() { 18408 updateExternalMediaStatusInner(true, false, false); 18409 } 18410 18411 /* 18412 * Collect information of applications on external media, map them against 18413 * existing containers and update information based on current mount status. 18414 * Please note that we always have to report status if reportStatus has been 18415 * set to true especially when unloading packages. 18416 */ 18417 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18418 boolean externalStorage) { 18419 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18420 int[] uidArr = EmptyArray.INT; 18421 18422 final String[] list = PackageHelper.getSecureContainerList(); 18423 if (ArrayUtils.isEmpty(list)) { 18424 Log.i(TAG, "No secure containers found"); 18425 } else { 18426 // Process list of secure containers and categorize them 18427 // as active or stale based on their package internal state. 18428 18429 // reader 18430 synchronized (mPackages) { 18431 for (String cid : list) { 18432 // Leave stages untouched for now; installer service owns them 18433 if (PackageInstallerService.isStageName(cid)) continue; 18434 18435 if (DEBUG_SD_INSTALL) 18436 Log.i(TAG, "Processing container " + cid); 18437 String pkgName = getAsecPackageName(cid); 18438 if (pkgName == null) { 18439 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18440 continue; 18441 } 18442 if (DEBUG_SD_INSTALL) 18443 Log.i(TAG, "Looking for pkg : " + pkgName); 18444 18445 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18446 if (ps == null) { 18447 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18448 continue; 18449 } 18450 18451 /* 18452 * Skip packages that are not external if we're unmounting 18453 * external storage. 18454 */ 18455 if (externalStorage && !isMounted && !isExternal(ps)) { 18456 continue; 18457 } 18458 18459 final AsecInstallArgs args = new AsecInstallArgs(cid, 18460 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18461 // The package status is changed only if the code path 18462 // matches between settings and the container id. 18463 if (ps.codePathString != null 18464 && ps.codePathString.startsWith(args.getCodePath())) { 18465 if (DEBUG_SD_INSTALL) { 18466 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18467 + " at code path: " + ps.codePathString); 18468 } 18469 18470 // We do have a valid package installed on sdcard 18471 processCids.put(args, ps.codePathString); 18472 final int uid = ps.appId; 18473 if (uid != -1) { 18474 uidArr = ArrayUtils.appendInt(uidArr, uid); 18475 } 18476 } else { 18477 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18478 + ps.codePathString); 18479 } 18480 } 18481 } 18482 18483 Arrays.sort(uidArr); 18484 } 18485 18486 // Process packages with valid entries. 18487 if (isMounted) { 18488 if (DEBUG_SD_INSTALL) 18489 Log.i(TAG, "Loading packages"); 18490 loadMediaPackages(processCids, uidArr, externalStorage); 18491 startCleaningPackages(); 18492 mInstallerService.onSecureContainersAvailable(); 18493 } else { 18494 if (DEBUG_SD_INSTALL) 18495 Log.i(TAG, "Unloading packages"); 18496 unloadMediaPackages(processCids, uidArr, reportStatus); 18497 } 18498 } 18499 18500 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18501 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18502 final int size = infos.size(); 18503 final String[] packageNames = new String[size]; 18504 final int[] packageUids = new int[size]; 18505 for (int i = 0; i < size; i++) { 18506 final ApplicationInfo info = infos.get(i); 18507 packageNames[i] = info.packageName; 18508 packageUids[i] = info.uid; 18509 } 18510 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18511 finishedReceiver); 18512 } 18513 18514 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18515 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18516 sendResourcesChangedBroadcast(mediaStatus, replacing, 18517 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18518 } 18519 18520 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18521 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18522 int size = pkgList.length; 18523 if (size > 0) { 18524 // Send broadcasts here 18525 Bundle extras = new Bundle(); 18526 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18527 if (uidArr != null) { 18528 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18529 } 18530 if (replacing) { 18531 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18532 } 18533 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18534 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18535 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18536 } 18537 } 18538 18539 /* 18540 * Look at potentially valid container ids from processCids If package 18541 * information doesn't match the one on record or package scanning fails, 18542 * the cid is added to list of removeCids. We currently don't delete stale 18543 * containers. 18544 */ 18545 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18546 boolean externalStorage) { 18547 ArrayList<String> pkgList = new ArrayList<String>(); 18548 Set<AsecInstallArgs> keys = processCids.keySet(); 18549 18550 for (AsecInstallArgs args : keys) { 18551 String codePath = processCids.get(args); 18552 if (DEBUG_SD_INSTALL) 18553 Log.i(TAG, "Loading container : " + args.cid); 18554 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18555 try { 18556 // Make sure there are no container errors first. 18557 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18558 Slog.e(TAG, "Failed to mount cid : " + args.cid 18559 + " when installing from sdcard"); 18560 continue; 18561 } 18562 // Check code path here. 18563 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18564 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18565 + " does not match one in settings " + codePath); 18566 continue; 18567 } 18568 // Parse package 18569 int parseFlags = mDefParseFlags; 18570 if (args.isExternalAsec()) { 18571 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18572 } 18573 if (args.isFwdLocked()) { 18574 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18575 } 18576 18577 synchronized (mInstallLock) { 18578 PackageParser.Package pkg = null; 18579 try { 18580 // Sadly we don't know the package name yet to freeze it 18581 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18582 SCAN_IGNORE_FROZEN, 0, null); 18583 } catch (PackageManagerException e) { 18584 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18585 } 18586 // Scan the package 18587 if (pkg != null) { 18588 /* 18589 * TODO why is the lock being held? doPostInstall is 18590 * called in other places without the lock. This needs 18591 * to be straightened out. 18592 */ 18593 // writer 18594 synchronized (mPackages) { 18595 retCode = PackageManager.INSTALL_SUCCEEDED; 18596 pkgList.add(pkg.packageName); 18597 // Post process args 18598 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18599 pkg.applicationInfo.uid); 18600 } 18601 } else { 18602 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18603 } 18604 } 18605 18606 } finally { 18607 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18608 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18609 } 18610 } 18611 } 18612 // writer 18613 synchronized (mPackages) { 18614 // If the platform SDK has changed since the last time we booted, 18615 // we need to re-grant app permission to catch any new ones that 18616 // appear. This is really a hack, and means that apps can in some 18617 // cases get permissions that the user didn't initially explicitly 18618 // allow... it would be nice to have some better way to handle 18619 // this situation. 18620 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18621 : mSettings.getInternalVersion(); 18622 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18623 : StorageManager.UUID_PRIVATE_INTERNAL; 18624 18625 int updateFlags = UPDATE_PERMISSIONS_ALL; 18626 if (ver.sdkVersion != mSdkVersion) { 18627 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18628 + mSdkVersion + "; regranting permissions for external"); 18629 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18630 } 18631 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18632 18633 // Yay, everything is now upgraded 18634 ver.forceCurrent(); 18635 18636 // can downgrade to reader 18637 // Persist settings 18638 mSettings.writeLPr(); 18639 } 18640 // Send a broadcast to let everyone know we are done processing 18641 if (pkgList.size() > 0) { 18642 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18643 } 18644 } 18645 18646 /* 18647 * Utility method to unload a list of specified containers 18648 */ 18649 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18650 // Just unmount all valid containers. 18651 for (AsecInstallArgs arg : cidArgs) { 18652 synchronized (mInstallLock) { 18653 arg.doPostDeleteLI(false); 18654 } 18655 } 18656 } 18657 18658 /* 18659 * Unload packages mounted on external media. This involves deleting package 18660 * data from internal structures, sending broadcasts about disabled packages, 18661 * gc'ing to free up references, unmounting all secure containers 18662 * corresponding to packages on external media, and posting a 18663 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18664 * that we always have to post this message if status has been requested no 18665 * matter what. 18666 */ 18667 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18668 final boolean reportStatus) { 18669 if (DEBUG_SD_INSTALL) 18670 Log.i(TAG, "unloading media packages"); 18671 ArrayList<String> pkgList = new ArrayList<String>(); 18672 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18673 final Set<AsecInstallArgs> keys = processCids.keySet(); 18674 for (AsecInstallArgs args : keys) { 18675 String pkgName = args.getPackageName(); 18676 if (DEBUG_SD_INSTALL) 18677 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18678 // Delete package internally 18679 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18680 synchronized (mInstallLock) { 18681 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18682 final boolean res; 18683 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18684 "unloadMediaPackages")) { 18685 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18686 null); 18687 } 18688 if (res) { 18689 pkgList.add(pkgName); 18690 } else { 18691 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18692 failedList.add(args); 18693 } 18694 } 18695 } 18696 18697 // reader 18698 synchronized (mPackages) { 18699 // We didn't update the settings after removing each package; 18700 // write them now for all packages. 18701 mSettings.writeLPr(); 18702 } 18703 18704 // We have to absolutely send UPDATED_MEDIA_STATUS only 18705 // after confirming that all the receivers processed the ordered 18706 // broadcast when packages get disabled, force a gc to clean things up. 18707 // and unload all the containers. 18708 if (pkgList.size() > 0) { 18709 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18710 new IIntentReceiver.Stub() { 18711 public void performReceive(Intent intent, int resultCode, String data, 18712 Bundle extras, boolean ordered, boolean sticky, 18713 int sendingUser) throws RemoteException { 18714 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18715 reportStatus ? 1 : 0, 1, keys); 18716 mHandler.sendMessage(msg); 18717 } 18718 }); 18719 } else { 18720 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18721 keys); 18722 mHandler.sendMessage(msg); 18723 } 18724 } 18725 18726 private void loadPrivatePackages(final VolumeInfo vol) { 18727 mHandler.post(new Runnable() { 18728 @Override 18729 public void run() { 18730 loadPrivatePackagesInner(vol); 18731 } 18732 }); 18733 } 18734 18735 private void loadPrivatePackagesInner(VolumeInfo vol) { 18736 final String volumeUuid = vol.fsUuid; 18737 if (TextUtils.isEmpty(volumeUuid)) { 18738 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18739 return; 18740 } 18741 18742 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18743 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18744 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18745 18746 final VersionInfo ver; 18747 final List<PackageSetting> packages; 18748 synchronized (mPackages) { 18749 ver = mSettings.findOrCreateVersion(volumeUuid); 18750 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18751 } 18752 18753 for (PackageSetting ps : packages) { 18754 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18755 synchronized (mInstallLock) { 18756 final PackageParser.Package pkg; 18757 try { 18758 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18759 loaded.add(pkg.applicationInfo); 18760 18761 } catch (PackageManagerException e) { 18762 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18763 } 18764 18765 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18766 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18767 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18768 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18769 } 18770 } 18771 } 18772 18773 // Reconcile app data for all started/unlocked users 18774 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18775 final UserManager um = mContext.getSystemService(UserManager.class); 18776 for (UserInfo user : um.getUsers()) { 18777 final int flags; 18778 if (um.isUserUnlockingOrUnlocked(user.id)) { 18779 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18780 } else if (um.isUserRunning(user.id)) { 18781 flags = StorageManager.FLAG_STORAGE_DE; 18782 } else { 18783 continue; 18784 } 18785 18786 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18787 synchronized (mInstallLock) { 18788 reconcileAppsDataLI(volumeUuid, user.id, flags); 18789 } 18790 } 18791 18792 synchronized (mPackages) { 18793 int updateFlags = UPDATE_PERMISSIONS_ALL; 18794 if (ver.sdkVersion != mSdkVersion) { 18795 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18796 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18797 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18798 } 18799 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18800 18801 // Yay, everything is now upgraded 18802 ver.forceCurrent(); 18803 18804 mSettings.writeLPr(); 18805 } 18806 18807 for (PackageFreezer freezer : freezers) { 18808 freezer.close(); 18809 } 18810 18811 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18812 sendResourcesChangedBroadcast(true, false, loaded, null); 18813 } 18814 18815 private void unloadPrivatePackages(final VolumeInfo vol) { 18816 mHandler.post(new Runnable() { 18817 @Override 18818 public void run() { 18819 unloadPrivatePackagesInner(vol); 18820 } 18821 }); 18822 } 18823 18824 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18825 final String volumeUuid = vol.fsUuid; 18826 if (TextUtils.isEmpty(volumeUuid)) { 18827 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18828 return; 18829 } 18830 18831 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18832 synchronized (mInstallLock) { 18833 synchronized (mPackages) { 18834 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18835 for (PackageSetting ps : packages) { 18836 if (ps.pkg == null) continue; 18837 18838 final ApplicationInfo info = ps.pkg.applicationInfo; 18839 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18840 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18841 18842 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18843 "unloadPrivatePackagesInner")) { 18844 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18845 false, null)) { 18846 unloaded.add(info); 18847 } else { 18848 Slog.w(TAG, "Failed to unload " + ps.codePath); 18849 } 18850 } 18851 } 18852 18853 mSettings.writeLPr(); 18854 } 18855 } 18856 18857 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18858 sendResourcesChangedBroadcast(false, false, unloaded, null); 18859 } 18860 18861 /** 18862 * Prepare storage areas for given user on all mounted devices. 18863 */ 18864 void prepareUserData(int userId, int userSerial, int flags) { 18865 synchronized (mInstallLock) { 18866 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18867 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18868 final String volumeUuid = vol.getFsUuid(); 18869 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 18870 } 18871 } 18872 } 18873 18874 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 18875 boolean allowRecover) { 18876 // Prepare storage and verify that serial numbers are consistent; if 18877 // there's a mismatch we need to destroy to avoid leaking data 18878 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18879 try { 18880 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 18881 18882 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 18883 UserManagerService.enforceSerialNumber( 18884 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 18885 } 18886 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 18887 UserManagerService.enforceSerialNumber( 18888 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 18889 } 18890 18891 synchronized (mInstallLock) { 18892 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 18893 } 18894 } catch (Exception e) { 18895 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 18896 + " because we failed to prepare: " + e); 18897 destroyUserDataLI(volumeUuid, userId, 18898 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18899 18900 if (allowRecover) { 18901 // Try one last time; if we fail again we're really in trouble 18902 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 18903 } 18904 } 18905 } 18906 18907 /** 18908 * Destroy storage areas for given user on all mounted devices. 18909 */ 18910 void destroyUserData(int userId, int flags) { 18911 synchronized (mInstallLock) { 18912 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18913 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18914 final String volumeUuid = vol.getFsUuid(); 18915 destroyUserDataLI(volumeUuid, userId, flags); 18916 } 18917 } 18918 } 18919 18920 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 18921 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18922 try { 18923 // Clean up app data, profile data, and media data 18924 mInstaller.destroyUserData(volumeUuid, userId, flags); 18925 18926 // Clean up system data 18927 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 18928 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18929 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 18930 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 18931 } 18932 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18933 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 18934 } 18935 } 18936 18937 // Data with special labels is now gone, so finish the job 18938 storage.destroyUserStorage(volumeUuid, userId, flags); 18939 18940 } catch (Exception e) { 18941 logCriticalInfo(Log.WARN, 18942 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 18943 } 18944 } 18945 18946 /** 18947 * Examine all users present on given mounted volume, and destroy data 18948 * belonging to users that are no longer valid, or whose user ID has been 18949 * recycled. 18950 */ 18951 private void reconcileUsers(String volumeUuid) { 18952 final List<File> files = new ArrayList<>(); 18953 Collections.addAll(files, FileUtils 18954 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 18955 Collections.addAll(files, FileUtils 18956 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 18957 for (File file : files) { 18958 if (!file.isDirectory()) continue; 18959 18960 final int userId; 18961 final UserInfo info; 18962 try { 18963 userId = Integer.parseInt(file.getName()); 18964 info = sUserManager.getUserInfo(userId); 18965 } catch (NumberFormatException e) { 18966 Slog.w(TAG, "Invalid user directory " + file); 18967 continue; 18968 } 18969 18970 boolean destroyUser = false; 18971 if (info == null) { 18972 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18973 + " because no matching user was found"); 18974 destroyUser = true; 18975 } else if (!mOnlyCore) { 18976 try { 18977 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18978 } catch (IOException e) { 18979 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18980 + " because we failed to enforce serial number: " + e); 18981 destroyUser = true; 18982 } 18983 } 18984 18985 if (destroyUser) { 18986 synchronized (mInstallLock) { 18987 destroyUserDataLI(volumeUuid, userId, 18988 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18989 } 18990 } 18991 } 18992 } 18993 18994 private void assertPackageKnown(String volumeUuid, String packageName) 18995 throws PackageManagerException { 18996 synchronized (mPackages) { 18997 final PackageSetting ps = mSettings.mPackages.get(packageName); 18998 if (ps == null) { 18999 throw new PackageManagerException("Package " + packageName + " is unknown"); 19000 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19001 throw new PackageManagerException( 19002 "Package " + packageName + " found on unknown volume " + volumeUuid 19003 + "; expected volume " + ps.volumeUuid); 19004 } 19005 } 19006 } 19007 19008 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19009 throws PackageManagerException { 19010 synchronized (mPackages) { 19011 final PackageSetting ps = mSettings.mPackages.get(packageName); 19012 if (ps == null) { 19013 throw new PackageManagerException("Package " + packageName + " is unknown"); 19014 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19015 throw new PackageManagerException( 19016 "Package " + packageName + " found on unknown volume " + volumeUuid 19017 + "; expected volume " + ps.volumeUuid); 19018 } else if (!ps.getInstalled(userId)) { 19019 throw new PackageManagerException( 19020 "Package " + packageName + " not installed for user " + userId); 19021 } 19022 } 19023 } 19024 19025 /** 19026 * Examine all apps present on given mounted volume, and destroy apps that 19027 * aren't expected, either due to uninstallation or reinstallation on 19028 * another volume. 19029 */ 19030 private void reconcileApps(String volumeUuid) { 19031 final File[] files = FileUtils 19032 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19033 for (File file : files) { 19034 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19035 && !PackageInstallerService.isStageName(file.getName()); 19036 if (!isPackage) { 19037 // Ignore entries which are not packages 19038 continue; 19039 } 19040 19041 try { 19042 final PackageLite pkg = PackageParser.parsePackageLite(file, 19043 PackageParser.PARSE_MUST_BE_APK); 19044 assertPackageKnown(volumeUuid, pkg.packageName); 19045 19046 } catch (PackageParserException | PackageManagerException e) { 19047 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19048 synchronized (mInstallLock) { 19049 removeCodePathLI(file); 19050 } 19051 } 19052 } 19053 } 19054 19055 /** 19056 * Reconcile all app data for the given user. 19057 * <p> 19058 * Verifies that directories exist and that ownership and labeling is 19059 * correct for all installed apps on all mounted volumes. 19060 */ 19061 void reconcileAppsData(int userId, int flags) { 19062 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19063 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19064 final String volumeUuid = vol.getFsUuid(); 19065 synchronized (mInstallLock) { 19066 reconcileAppsDataLI(volumeUuid, userId, flags); 19067 } 19068 } 19069 } 19070 19071 /** 19072 * Reconcile all app data on given mounted volume. 19073 * <p> 19074 * Destroys app data that isn't expected, either due to uninstallation or 19075 * reinstallation on another volume. 19076 * <p> 19077 * Verifies that directories exist and that ownership and labeling is 19078 * correct for all installed apps. 19079 */ 19080 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19081 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19082 + Integer.toHexString(flags)); 19083 19084 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19085 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19086 19087 boolean restoreconNeeded = false; 19088 19089 // First look for stale data that doesn't belong, and check if things 19090 // have changed since we did our last restorecon 19091 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19092 if (!StorageManager.isUserKeyUnlocked(userId)) { 19093 throw new RuntimeException( 19094 "Yikes, someone asked us to reconcile CE storage while " + userId 19095 + " was still locked; this would have caused massive data loss!"); 19096 } 19097 19098 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19099 19100 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19101 for (File file : files) { 19102 final String packageName = file.getName(); 19103 try { 19104 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19105 } catch (PackageManagerException e) { 19106 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19107 try { 19108 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19109 StorageManager.FLAG_STORAGE_CE, 0); 19110 } catch (InstallerException e2) { 19111 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19112 } 19113 } 19114 } 19115 } 19116 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19117 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19118 19119 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19120 for (File file : files) { 19121 final String packageName = file.getName(); 19122 try { 19123 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19124 } catch (PackageManagerException e) { 19125 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19126 try { 19127 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19128 StorageManager.FLAG_STORAGE_DE, 0); 19129 } catch (InstallerException e2) { 19130 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19131 } 19132 } 19133 } 19134 } 19135 19136 // Ensure that data directories are ready to roll for all packages 19137 // installed for this volume and user 19138 final List<PackageSetting> packages; 19139 synchronized (mPackages) { 19140 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19141 } 19142 int preparedCount = 0; 19143 for (PackageSetting ps : packages) { 19144 final String packageName = ps.name; 19145 if (ps.pkg == null) { 19146 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19147 // TODO: might be due to legacy ASEC apps; we should circle back 19148 // and reconcile again once they're scanned 19149 continue; 19150 } 19151 19152 if (ps.getInstalled(userId)) { 19153 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19154 19155 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19156 // We may have just shuffled around app data directories, so 19157 // prepare them one more time 19158 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19159 } 19160 19161 preparedCount++; 19162 } 19163 } 19164 19165 if (restoreconNeeded) { 19166 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19167 SELinuxMMAC.setRestoreconDone(ceDir); 19168 } 19169 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19170 SELinuxMMAC.setRestoreconDone(deDir); 19171 } 19172 } 19173 19174 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19175 + " packages; restoreconNeeded was " + restoreconNeeded); 19176 } 19177 19178 /** 19179 * Prepare app data for the given app just after it was installed or 19180 * upgraded. This method carefully only touches users that it's installed 19181 * for, and it forces a restorecon to handle any seinfo changes. 19182 * <p> 19183 * Verifies that directories exist and that ownership and labeling is 19184 * correct for all installed apps. If there is an ownership mismatch, it 19185 * will try recovering system apps by wiping data; third-party app data is 19186 * left intact. 19187 * <p> 19188 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19189 */ 19190 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19191 final PackageSetting ps; 19192 synchronized (mPackages) { 19193 ps = mSettings.mPackages.get(pkg.packageName); 19194 mSettings.writeKernelMappingLPr(ps); 19195 } 19196 19197 final UserManager um = mContext.getSystemService(UserManager.class); 19198 for (UserInfo user : um.getUsers()) { 19199 final int flags; 19200 if (um.isUserUnlockingOrUnlocked(user.id)) { 19201 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19202 } else if (um.isUserRunning(user.id)) { 19203 flags = StorageManager.FLAG_STORAGE_DE; 19204 } else { 19205 continue; 19206 } 19207 19208 if (ps.getInstalled(user.id)) { 19209 // Whenever an app changes, force a restorecon of its data 19210 // TODO: when user data is locked, mark that we're still dirty 19211 prepareAppDataLIF(pkg, user.id, flags, true); 19212 } 19213 } 19214 } 19215 19216 /** 19217 * Prepare app data for the given app. 19218 * <p> 19219 * Verifies that directories exist and that ownership and labeling is 19220 * correct for all installed apps. If there is an ownership mismatch, this 19221 * will try recovering system apps by wiping data; third-party app data is 19222 * left intact. 19223 */ 19224 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19225 boolean restoreconNeeded) { 19226 if (pkg == null) { 19227 Slog.wtf(TAG, "Package was null!", new Throwable()); 19228 return; 19229 } 19230 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19231 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19232 for (int i = 0; i < childCount; i++) { 19233 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19234 } 19235 } 19236 19237 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19238 boolean restoreconNeeded) { 19239 if (DEBUG_APP_DATA) { 19240 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19241 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19242 } 19243 19244 final String volumeUuid = pkg.volumeUuid; 19245 final String packageName = pkg.packageName; 19246 final ApplicationInfo app = pkg.applicationInfo; 19247 final int appId = UserHandle.getAppId(app.uid); 19248 19249 Preconditions.checkNotNull(app.seinfo); 19250 19251 try { 19252 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19253 appId, app.seinfo, app.targetSdkVersion); 19254 } catch (InstallerException e) { 19255 if (app.isSystemApp()) { 19256 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19257 + ", but trying to recover: " + e); 19258 destroyAppDataLeafLIF(pkg, userId, flags); 19259 try { 19260 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19261 appId, app.seinfo, app.targetSdkVersion); 19262 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19263 } catch (InstallerException e2) { 19264 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19265 } 19266 } else { 19267 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19268 } 19269 } 19270 19271 if (restoreconNeeded) { 19272 try { 19273 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19274 app.seinfo); 19275 } catch (InstallerException e) { 19276 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19277 } 19278 } 19279 19280 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19281 try { 19282 // CE storage is unlocked right now, so read out the inode and 19283 // remember for use later when it's locked 19284 // TODO: mark this structure as dirty so we persist it! 19285 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19286 StorageManager.FLAG_STORAGE_CE); 19287 synchronized (mPackages) { 19288 final PackageSetting ps = mSettings.mPackages.get(packageName); 19289 if (ps != null) { 19290 ps.setCeDataInode(ceDataInode, userId); 19291 } 19292 } 19293 } catch (InstallerException e) { 19294 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19295 } 19296 } 19297 19298 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19299 } 19300 19301 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19302 if (pkg == null) { 19303 Slog.wtf(TAG, "Package was null!", new Throwable()); 19304 return; 19305 } 19306 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19307 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19308 for (int i = 0; i < childCount; i++) { 19309 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19310 } 19311 } 19312 19313 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19314 final String volumeUuid = pkg.volumeUuid; 19315 final String packageName = pkg.packageName; 19316 final ApplicationInfo app = pkg.applicationInfo; 19317 19318 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19319 // Create a native library symlink only if we have native libraries 19320 // and if the native libraries are 32 bit libraries. We do not provide 19321 // this symlink for 64 bit libraries. 19322 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19323 final String nativeLibPath = app.nativeLibraryDir; 19324 try { 19325 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19326 nativeLibPath, userId); 19327 } catch (InstallerException e) { 19328 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19329 } 19330 } 19331 } 19332 } 19333 19334 /** 19335 * For system apps on non-FBE devices, this method migrates any existing 19336 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19337 * requested by the app. 19338 */ 19339 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19340 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19341 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19342 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19343 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19344 try { 19345 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19346 storageTarget); 19347 } catch (InstallerException e) { 19348 logCriticalInfo(Log.WARN, 19349 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19350 } 19351 return true; 19352 } else { 19353 return false; 19354 } 19355 } 19356 19357 public PackageFreezer freezePackage(String packageName, String killReason) { 19358 return new PackageFreezer(packageName, killReason); 19359 } 19360 19361 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19362 String killReason) { 19363 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19364 return new PackageFreezer(); 19365 } else { 19366 return freezePackage(packageName, killReason); 19367 } 19368 } 19369 19370 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19371 String killReason) { 19372 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19373 return new PackageFreezer(); 19374 } else { 19375 return freezePackage(packageName, killReason); 19376 } 19377 } 19378 19379 /** 19380 * Class that freezes and kills the given package upon creation, and 19381 * unfreezes it upon closing. This is typically used when doing surgery on 19382 * app code/data to prevent the app from running while you're working. 19383 */ 19384 private class PackageFreezer implements AutoCloseable { 19385 private final String mPackageName; 19386 private final PackageFreezer[] mChildren; 19387 19388 private final boolean mWeFroze; 19389 19390 private final AtomicBoolean mClosed = new AtomicBoolean(); 19391 private final CloseGuard mCloseGuard = CloseGuard.get(); 19392 19393 /** 19394 * Create and return a stub freezer that doesn't actually do anything, 19395 * typically used when someone requested 19396 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19397 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19398 */ 19399 public PackageFreezer() { 19400 mPackageName = null; 19401 mChildren = null; 19402 mWeFroze = false; 19403 mCloseGuard.open("close"); 19404 } 19405 19406 public PackageFreezer(String packageName, String killReason) { 19407 synchronized (mPackages) { 19408 mPackageName = packageName; 19409 mWeFroze = mFrozenPackages.add(mPackageName); 19410 19411 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19412 if (ps != null) { 19413 killApplication(ps.name, ps.appId, killReason); 19414 } 19415 19416 final PackageParser.Package p = mPackages.get(packageName); 19417 if (p != null && p.childPackages != null) { 19418 final int N = p.childPackages.size(); 19419 mChildren = new PackageFreezer[N]; 19420 for (int i = 0; i < N; i++) { 19421 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19422 killReason); 19423 } 19424 } else { 19425 mChildren = null; 19426 } 19427 } 19428 mCloseGuard.open("close"); 19429 } 19430 19431 @Override 19432 protected void finalize() throws Throwable { 19433 try { 19434 mCloseGuard.warnIfOpen(); 19435 close(); 19436 } finally { 19437 super.finalize(); 19438 } 19439 } 19440 19441 @Override 19442 public void close() { 19443 mCloseGuard.close(); 19444 if (mClosed.compareAndSet(false, true)) { 19445 synchronized (mPackages) { 19446 if (mWeFroze) { 19447 mFrozenPackages.remove(mPackageName); 19448 } 19449 19450 if (mChildren != null) { 19451 for (PackageFreezer freezer : mChildren) { 19452 freezer.close(); 19453 } 19454 } 19455 } 19456 } 19457 } 19458 } 19459 19460 /** 19461 * Verify that given package is currently frozen. 19462 */ 19463 private void checkPackageFrozen(String packageName) { 19464 synchronized (mPackages) { 19465 if (!mFrozenPackages.contains(packageName)) { 19466 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19467 } 19468 } 19469 } 19470 19471 @Override 19472 public int movePackage(final String packageName, final String volumeUuid) { 19473 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19474 19475 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19476 final int moveId = mNextMoveId.getAndIncrement(); 19477 mHandler.post(new Runnable() { 19478 @Override 19479 public void run() { 19480 try { 19481 movePackageInternal(packageName, volumeUuid, moveId, user); 19482 } catch (PackageManagerException e) { 19483 Slog.w(TAG, "Failed to move " + packageName, e); 19484 mMoveCallbacks.notifyStatusChanged(moveId, 19485 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19486 } 19487 } 19488 }); 19489 return moveId; 19490 } 19491 19492 private void movePackageInternal(final String packageName, final String volumeUuid, 19493 final int moveId, UserHandle user) throws PackageManagerException { 19494 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19495 final PackageManager pm = mContext.getPackageManager(); 19496 19497 final boolean currentAsec; 19498 final String currentVolumeUuid; 19499 final File codeFile; 19500 final String installerPackageName; 19501 final String packageAbiOverride; 19502 final int appId; 19503 final String seinfo; 19504 final String label; 19505 final int targetSdkVersion; 19506 final PackageFreezer freezer; 19507 19508 // reader 19509 synchronized (mPackages) { 19510 final PackageParser.Package pkg = mPackages.get(packageName); 19511 final PackageSetting ps = mSettings.mPackages.get(packageName); 19512 if (pkg == null || ps == null) { 19513 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19514 } 19515 19516 if (pkg.applicationInfo.isSystemApp()) { 19517 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19518 "Cannot move system application"); 19519 } 19520 19521 if (pkg.applicationInfo.isExternalAsec()) { 19522 currentAsec = true; 19523 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19524 } else if (pkg.applicationInfo.isForwardLocked()) { 19525 currentAsec = true; 19526 currentVolumeUuid = "forward_locked"; 19527 } else { 19528 currentAsec = false; 19529 currentVolumeUuid = ps.volumeUuid; 19530 19531 final File probe = new File(pkg.codePath); 19532 final File probeOat = new File(probe, "oat"); 19533 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19534 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19535 "Move only supported for modern cluster style installs"); 19536 } 19537 } 19538 19539 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19540 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19541 "Package already moved to " + volumeUuid); 19542 } 19543 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19544 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19545 "Device admin cannot be moved"); 19546 } 19547 19548 if (mFrozenPackages.contains(packageName)) { 19549 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19550 "Failed to move already frozen package"); 19551 } 19552 19553 codeFile = new File(pkg.codePath); 19554 installerPackageName = ps.installerPackageName; 19555 packageAbiOverride = ps.cpuAbiOverrideString; 19556 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19557 seinfo = pkg.applicationInfo.seinfo; 19558 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19559 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19560 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19561 } 19562 19563 final Bundle extras = new Bundle(); 19564 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19565 extras.putString(Intent.EXTRA_TITLE, label); 19566 mMoveCallbacks.notifyCreated(moveId, extras); 19567 19568 int installFlags; 19569 final boolean moveCompleteApp; 19570 final File measurePath; 19571 19572 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19573 installFlags = INSTALL_INTERNAL; 19574 moveCompleteApp = !currentAsec; 19575 measurePath = Environment.getDataAppDirectory(volumeUuid); 19576 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19577 installFlags = INSTALL_EXTERNAL; 19578 moveCompleteApp = false; 19579 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19580 } else { 19581 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19582 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19583 || !volume.isMountedWritable()) { 19584 freezer.close(); 19585 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19586 "Move location not mounted private volume"); 19587 } 19588 19589 Preconditions.checkState(!currentAsec); 19590 19591 installFlags = INSTALL_INTERNAL; 19592 moveCompleteApp = true; 19593 measurePath = Environment.getDataAppDirectory(volumeUuid); 19594 } 19595 19596 final PackageStats stats = new PackageStats(null, -1); 19597 synchronized (mInstaller) { 19598 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19599 freezer.close(); 19600 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19601 "Failed to measure package size"); 19602 } 19603 } 19604 19605 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19606 + stats.dataSize); 19607 19608 final long startFreeBytes = measurePath.getFreeSpace(); 19609 final long sizeBytes; 19610 if (moveCompleteApp) { 19611 sizeBytes = stats.codeSize + stats.dataSize; 19612 } else { 19613 sizeBytes = stats.codeSize; 19614 } 19615 19616 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19617 freezer.close(); 19618 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19619 "Not enough free space to move"); 19620 } 19621 19622 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19623 19624 final CountDownLatch installedLatch = new CountDownLatch(1); 19625 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19626 @Override 19627 public void onUserActionRequired(Intent intent) throws RemoteException { 19628 throw new IllegalStateException(); 19629 } 19630 19631 @Override 19632 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19633 Bundle extras) throws RemoteException { 19634 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19635 + PackageManager.installStatusToString(returnCode, msg)); 19636 19637 installedLatch.countDown(); 19638 freezer.close(); 19639 19640 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19641 switch (status) { 19642 case PackageInstaller.STATUS_SUCCESS: 19643 mMoveCallbacks.notifyStatusChanged(moveId, 19644 PackageManager.MOVE_SUCCEEDED); 19645 break; 19646 case PackageInstaller.STATUS_FAILURE_STORAGE: 19647 mMoveCallbacks.notifyStatusChanged(moveId, 19648 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19649 break; 19650 default: 19651 mMoveCallbacks.notifyStatusChanged(moveId, 19652 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19653 break; 19654 } 19655 } 19656 }; 19657 19658 final MoveInfo move; 19659 if (moveCompleteApp) { 19660 // Kick off a thread to report progress estimates 19661 new Thread() { 19662 @Override 19663 public void run() { 19664 while (true) { 19665 try { 19666 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19667 break; 19668 } 19669 } catch (InterruptedException ignored) { 19670 } 19671 19672 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19673 final int progress = 10 + (int) MathUtils.constrain( 19674 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19675 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19676 } 19677 } 19678 }.start(); 19679 19680 final String dataAppName = codeFile.getName(); 19681 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19682 dataAppName, appId, seinfo, targetSdkVersion); 19683 } else { 19684 move = null; 19685 } 19686 19687 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19688 19689 final Message msg = mHandler.obtainMessage(INIT_COPY); 19690 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19691 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19692 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19693 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19694 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19695 msg.obj = params; 19696 19697 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19698 System.identityHashCode(msg.obj)); 19699 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19700 System.identityHashCode(msg.obj)); 19701 19702 mHandler.sendMessage(msg); 19703 } 19704 19705 @Override 19706 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19707 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19708 19709 final int realMoveId = mNextMoveId.getAndIncrement(); 19710 final Bundle extras = new Bundle(); 19711 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19712 mMoveCallbacks.notifyCreated(realMoveId, extras); 19713 19714 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19715 @Override 19716 public void onCreated(int moveId, Bundle extras) { 19717 // Ignored 19718 } 19719 19720 @Override 19721 public void onStatusChanged(int moveId, int status, long estMillis) { 19722 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19723 } 19724 }; 19725 19726 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19727 storage.setPrimaryStorageUuid(volumeUuid, callback); 19728 return realMoveId; 19729 } 19730 19731 @Override 19732 public int getMoveStatus(int moveId) { 19733 mContext.enforceCallingOrSelfPermission( 19734 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19735 return mMoveCallbacks.mLastStatus.get(moveId); 19736 } 19737 19738 @Override 19739 public void registerMoveCallback(IPackageMoveObserver callback) { 19740 mContext.enforceCallingOrSelfPermission( 19741 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19742 mMoveCallbacks.register(callback); 19743 } 19744 19745 @Override 19746 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19747 mContext.enforceCallingOrSelfPermission( 19748 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19749 mMoveCallbacks.unregister(callback); 19750 } 19751 19752 @Override 19753 public boolean setInstallLocation(int loc) { 19754 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19755 null); 19756 if (getInstallLocation() == loc) { 19757 return true; 19758 } 19759 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19760 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19761 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19762 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19763 return true; 19764 } 19765 return false; 19766 } 19767 19768 @Override 19769 public int getInstallLocation() { 19770 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19771 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19772 PackageHelper.APP_INSTALL_AUTO); 19773 } 19774 19775 /** Called by UserManagerService */ 19776 void cleanUpUser(UserManagerService userManager, int userHandle) { 19777 synchronized (mPackages) { 19778 mDirtyUsers.remove(userHandle); 19779 mUserNeedsBadging.delete(userHandle); 19780 mSettings.removeUserLPw(userHandle); 19781 mPendingBroadcasts.remove(userHandle); 19782 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19783 removeUnusedPackagesLPw(userManager, userHandle); 19784 } 19785 } 19786 19787 /** 19788 * We're removing userHandle and would like to remove any downloaded packages 19789 * that are no longer in use by any other user. 19790 * @param userHandle the user being removed 19791 */ 19792 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19793 final boolean DEBUG_CLEAN_APKS = false; 19794 int [] users = userManager.getUserIds(); 19795 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19796 while (psit.hasNext()) { 19797 PackageSetting ps = psit.next(); 19798 if (ps.pkg == null) { 19799 continue; 19800 } 19801 final String packageName = ps.pkg.packageName; 19802 // Skip over if system app 19803 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19804 continue; 19805 } 19806 if (DEBUG_CLEAN_APKS) { 19807 Slog.i(TAG, "Checking package " + packageName); 19808 } 19809 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19810 if (keep) { 19811 if (DEBUG_CLEAN_APKS) { 19812 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19813 } 19814 } else { 19815 for (int i = 0; i < users.length; i++) { 19816 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19817 keep = true; 19818 if (DEBUG_CLEAN_APKS) { 19819 Slog.i(TAG, " Keeping package " + packageName + " for user " 19820 + users[i]); 19821 } 19822 break; 19823 } 19824 } 19825 } 19826 if (!keep) { 19827 if (DEBUG_CLEAN_APKS) { 19828 Slog.i(TAG, " Removing package " + packageName); 19829 } 19830 mHandler.post(new Runnable() { 19831 public void run() { 19832 deletePackageX(packageName, userHandle, 0); 19833 } //end run 19834 }); 19835 } 19836 } 19837 } 19838 19839 /** Called by UserManagerService */ 19840 void createNewUser(int userHandle) { 19841 synchronized (mInstallLock) { 19842 mSettings.createNewUserLI(this, mInstaller, userHandle); 19843 } 19844 synchronized (mPackages) { 19845 applyFactoryDefaultBrowserLPw(userHandle); 19846 primeDomainVerificationsLPw(userHandle); 19847 } 19848 } 19849 19850 void newUserCreated(final int userHandle) { 19851 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19852 // If permission review for legacy apps is required, we represent 19853 // dagerous permissions for such apps as always granted runtime 19854 // permissions to keep per user flag state whether review is needed. 19855 // Hence, if a new user is added we have to propagate dangerous 19856 // permission grants for these legacy apps. 19857 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19858 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19859 | UPDATE_PERMISSIONS_REPLACE_ALL); 19860 } 19861 } 19862 19863 @Override 19864 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19865 mContext.enforceCallingOrSelfPermission( 19866 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19867 "Only package verification agents can read the verifier device identity"); 19868 19869 synchronized (mPackages) { 19870 return mSettings.getVerifierDeviceIdentityLPw(); 19871 } 19872 } 19873 19874 @Override 19875 public void setPermissionEnforced(String permission, boolean enforced) { 19876 // TODO: Now that we no longer change GID for storage, this should to away. 19877 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19878 "setPermissionEnforced"); 19879 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19880 synchronized (mPackages) { 19881 if (mSettings.mReadExternalStorageEnforced == null 19882 || mSettings.mReadExternalStorageEnforced != enforced) { 19883 mSettings.mReadExternalStorageEnforced = enforced; 19884 mSettings.writeLPr(); 19885 } 19886 } 19887 // kill any non-foreground processes so we restart them and 19888 // grant/revoke the GID. 19889 final IActivityManager am = ActivityManagerNative.getDefault(); 19890 if (am != null) { 19891 final long token = Binder.clearCallingIdentity(); 19892 try { 19893 am.killProcessesBelowForeground("setPermissionEnforcement"); 19894 } catch (RemoteException e) { 19895 } finally { 19896 Binder.restoreCallingIdentity(token); 19897 } 19898 } 19899 } else { 19900 throw new IllegalArgumentException("No selective enforcement for " + permission); 19901 } 19902 } 19903 19904 @Override 19905 @Deprecated 19906 public boolean isPermissionEnforced(String permission) { 19907 return true; 19908 } 19909 19910 @Override 19911 public boolean isStorageLow() { 19912 final long token = Binder.clearCallingIdentity(); 19913 try { 19914 final DeviceStorageMonitorInternal 19915 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19916 if (dsm != null) { 19917 return dsm.isMemoryLow(); 19918 } else { 19919 return false; 19920 } 19921 } finally { 19922 Binder.restoreCallingIdentity(token); 19923 } 19924 } 19925 19926 @Override 19927 public IPackageInstaller getPackageInstaller() { 19928 return mInstallerService; 19929 } 19930 19931 private boolean userNeedsBadging(int userId) { 19932 int index = mUserNeedsBadging.indexOfKey(userId); 19933 if (index < 0) { 19934 final UserInfo userInfo; 19935 final long token = Binder.clearCallingIdentity(); 19936 try { 19937 userInfo = sUserManager.getUserInfo(userId); 19938 } finally { 19939 Binder.restoreCallingIdentity(token); 19940 } 19941 final boolean b; 19942 if (userInfo != null && userInfo.isManagedProfile()) { 19943 b = true; 19944 } else { 19945 b = false; 19946 } 19947 mUserNeedsBadging.put(userId, b); 19948 return b; 19949 } 19950 return mUserNeedsBadging.valueAt(index); 19951 } 19952 19953 @Override 19954 public KeySet getKeySetByAlias(String packageName, String alias) { 19955 if (packageName == null || alias == null) { 19956 return null; 19957 } 19958 synchronized(mPackages) { 19959 final PackageParser.Package pkg = mPackages.get(packageName); 19960 if (pkg == null) { 19961 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19962 throw new IllegalArgumentException("Unknown package: " + packageName); 19963 } 19964 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19965 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19966 } 19967 } 19968 19969 @Override 19970 public KeySet getSigningKeySet(String packageName) { 19971 if (packageName == null) { 19972 return null; 19973 } 19974 synchronized(mPackages) { 19975 final PackageParser.Package pkg = mPackages.get(packageName); 19976 if (pkg == null) { 19977 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19978 throw new IllegalArgumentException("Unknown package: " + packageName); 19979 } 19980 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19981 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19982 throw new SecurityException("May not access signing KeySet of other apps."); 19983 } 19984 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19985 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19986 } 19987 } 19988 19989 @Override 19990 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19991 if (packageName == null || ks == null) { 19992 return false; 19993 } 19994 synchronized(mPackages) { 19995 final PackageParser.Package pkg = mPackages.get(packageName); 19996 if (pkg == null) { 19997 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19998 throw new IllegalArgumentException("Unknown package: " + packageName); 19999 } 20000 IBinder ksh = ks.getToken(); 20001 if (ksh instanceof KeySetHandle) { 20002 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20003 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20004 } 20005 return false; 20006 } 20007 } 20008 20009 @Override 20010 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20011 if (packageName == null || ks == null) { 20012 return false; 20013 } 20014 synchronized(mPackages) { 20015 final PackageParser.Package pkg = mPackages.get(packageName); 20016 if (pkg == null) { 20017 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20018 throw new IllegalArgumentException("Unknown package: " + packageName); 20019 } 20020 IBinder ksh = ks.getToken(); 20021 if (ksh instanceof KeySetHandle) { 20022 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20023 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20024 } 20025 return false; 20026 } 20027 } 20028 20029 private void deletePackageIfUnusedLPr(final String packageName) { 20030 PackageSetting ps = mSettings.mPackages.get(packageName); 20031 if (ps == null) { 20032 return; 20033 } 20034 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20035 // TODO Implement atomic delete if package is unused 20036 // It is currently possible that the package will be deleted even if it is installed 20037 // after this method returns. 20038 mHandler.post(new Runnable() { 20039 public void run() { 20040 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20041 } 20042 }); 20043 } 20044 } 20045 20046 /** 20047 * Check and throw if the given before/after packages would be considered a 20048 * downgrade. 20049 */ 20050 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20051 throws PackageManagerException { 20052 if (after.versionCode < before.mVersionCode) { 20053 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20054 "Update version code " + after.versionCode + " is older than current " 20055 + before.mVersionCode); 20056 } else if (after.versionCode == before.mVersionCode) { 20057 if (after.baseRevisionCode < before.baseRevisionCode) { 20058 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20059 "Update base revision code " + after.baseRevisionCode 20060 + " is older than current " + before.baseRevisionCode); 20061 } 20062 20063 if (!ArrayUtils.isEmpty(after.splitNames)) { 20064 for (int i = 0; i < after.splitNames.length; i++) { 20065 final String splitName = after.splitNames[i]; 20066 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20067 if (j != -1) { 20068 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20069 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20070 "Update split " + splitName + " revision code " 20071 + after.splitRevisionCodes[i] + " is older than current " 20072 + before.splitRevisionCodes[j]); 20073 } 20074 } 20075 } 20076 } 20077 } 20078 } 20079 20080 private static class MoveCallbacks extends Handler { 20081 private static final int MSG_CREATED = 1; 20082 private static final int MSG_STATUS_CHANGED = 2; 20083 20084 private final RemoteCallbackList<IPackageMoveObserver> 20085 mCallbacks = new RemoteCallbackList<>(); 20086 20087 private final SparseIntArray mLastStatus = new SparseIntArray(); 20088 20089 public MoveCallbacks(Looper looper) { 20090 super(looper); 20091 } 20092 20093 public void register(IPackageMoveObserver callback) { 20094 mCallbacks.register(callback); 20095 } 20096 20097 public void unregister(IPackageMoveObserver callback) { 20098 mCallbacks.unregister(callback); 20099 } 20100 20101 @Override 20102 public void handleMessage(Message msg) { 20103 final SomeArgs args = (SomeArgs) msg.obj; 20104 final int n = mCallbacks.beginBroadcast(); 20105 for (int i = 0; i < n; i++) { 20106 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20107 try { 20108 invokeCallback(callback, msg.what, args); 20109 } catch (RemoteException ignored) { 20110 } 20111 } 20112 mCallbacks.finishBroadcast(); 20113 args.recycle(); 20114 } 20115 20116 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20117 throws RemoteException { 20118 switch (what) { 20119 case MSG_CREATED: { 20120 callback.onCreated(args.argi1, (Bundle) args.arg2); 20121 break; 20122 } 20123 case MSG_STATUS_CHANGED: { 20124 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20125 break; 20126 } 20127 } 20128 } 20129 20130 private void notifyCreated(int moveId, Bundle extras) { 20131 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20132 20133 final SomeArgs args = SomeArgs.obtain(); 20134 args.argi1 = moveId; 20135 args.arg2 = extras; 20136 obtainMessage(MSG_CREATED, args).sendToTarget(); 20137 } 20138 20139 private void notifyStatusChanged(int moveId, int status) { 20140 notifyStatusChanged(moveId, status, -1); 20141 } 20142 20143 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20144 Slog.v(TAG, "Move " + moveId + " status " + status); 20145 20146 final SomeArgs args = SomeArgs.obtain(); 20147 args.argi1 = moveId; 20148 args.argi2 = status; 20149 args.arg3 = estMillis; 20150 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20151 20152 synchronized (mLastStatus) { 20153 mLastStatus.put(moveId, status); 20154 } 20155 } 20156 } 20157 20158 private final static class OnPermissionChangeListeners extends Handler { 20159 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20160 20161 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20162 new RemoteCallbackList<>(); 20163 20164 public OnPermissionChangeListeners(Looper looper) { 20165 super(looper); 20166 } 20167 20168 @Override 20169 public void handleMessage(Message msg) { 20170 switch (msg.what) { 20171 case MSG_ON_PERMISSIONS_CHANGED: { 20172 final int uid = msg.arg1; 20173 handleOnPermissionsChanged(uid); 20174 } break; 20175 } 20176 } 20177 20178 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20179 mPermissionListeners.register(listener); 20180 20181 } 20182 20183 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20184 mPermissionListeners.unregister(listener); 20185 } 20186 20187 public void onPermissionsChanged(int uid) { 20188 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20189 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20190 } 20191 } 20192 20193 private void handleOnPermissionsChanged(int uid) { 20194 final int count = mPermissionListeners.beginBroadcast(); 20195 try { 20196 for (int i = 0; i < count; i++) { 20197 IOnPermissionsChangeListener callback = mPermissionListeners 20198 .getBroadcastItem(i); 20199 try { 20200 callback.onPermissionsChanged(uid); 20201 } catch (RemoteException e) { 20202 Log.e(TAG, "Permission listener is dead", e); 20203 } 20204 } 20205 } finally { 20206 mPermissionListeners.finishBroadcast(); 20207 } 20208 } 20209 } 20210 20211 private class PackageManagerInternalImpl extends PackageManagerInternal { 20212 @Override 20213 public void setLocationPackagesProvider(PackagesProvider provider) { 20214 synchronized (mPackages) { 20215 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20216 } 20217 } 20218 20219 @Override 20220 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20221 synchronized (mPackages) { 20222 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20223 } 20224 } 20225 20226 @Override 20227 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20228 synchronized (mPackages) { 20229 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20230 } 20231 } 20232 20233 @Override 20234 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20235 synchronized (mPackages) { 20236 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20237 } 20238 } 20239 20240 @Override 20241 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20242 synchronized (mPackages) { 20243 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20244 } 20245 } 20246 20247 @Override 20248 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20249 synchronized (mPackages) { 20250 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20251 } 20252 } 20253 20254 @Override 20255 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20256 synchronized (mPackages) { 20257 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20258 packageName, userId); 20259 } 20260 } 20261 20262 @Override 20263 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20264 synchronized (mPackages) { 20265 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20266 packageName, userId); 20267 } 20268 } 20269 20270 @Override 20271 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20272 synchronized (mPackages) { 20273 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20274 packageName, userId); 20275 } 20276 } 20277 20278 @Override 20279 public void setKeepUninstalledPackages(final List<String> packageList) { 20280 Preconditions.checkNotNull(packageList); 20281 List<String> removedFromList = null; 20282 synchronized (mPackages) { 20283 if (mKeepUninstalledPackages != null) { 20284 final int packagesCount = mKeepUninstalledPackages.size(); 20285 for (int i = 0; i < packagesCount; i++) { 20286 String oldPackage = mKeepUninstalledPackages.get(i); 20287 if (packageList != null && packageList.contains(oldPackage)) { 20288 continue; 20289 } 20290 if (removedFromList == null) { 20291 removedFromList = new ArrayList<>(); 20292 } 20293 removedFromList.add(oldPackage); 20294 } 20295 } 20296 mKeepUninstalledPackages = new ArrayList<>(packageList); 20297 if (removedFromList != null) { 20298 final int removedCount = removedFromList.size(); 20299 for (int i = 0; i < removedCount; i++) { 20300 deletePackageIfUnusedLPr(removedFromList.get(i)); 20301 } 20302 } 20303 } 20304 } 20305 20306 @Override 20307 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20308 synchronized (mPackages) { 20309 // If we do not support permission review, done. 20310 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20311 return false; 20312 } 20313 20314 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20315 if (packageSetting == null) { 20316 return false; 20317 } 20318 20319 // Permission review applies only to apps not supporting the new permission model. 20320 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20321 return false; 20322 } 20323 20324 // Legacy apps have the permission and get user consent on launch. 20325 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20326 return permissionsState.isPermissionReviewRequired(userId); 20327 } 20328 } 20329 20330 @Override 20331 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20332 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20333 } 20334 20335 @Override 20336 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20337 int userId) { 20338 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20339 } 20340 } 20341 20342 @Override 20343 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20344 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20345 synchronized (mPackages) { 20346 final long identity = Binder.clearCallingIdentity(); 20347 try { 20348 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20349 packageNames, userId); 20350 } finally { 20351 Binder.restoreCallingIdentity(identity); 20352 } 20353 } 20354 } 20355 20356 private static void enforceSystemOrPhoneCaller(String tag) { 20357 int callingUid = Binder.getCallingUid(); 20358 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20359 throw new SecurityException( 20360 "Cannot call " + tag + " from UID " + callingUid); 20361 } 20362 } 20363 20364 boolean isHistoricalPackageUsageAvailable() { 20365 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20366 } 20367 20368 /** 20369 * Return a <b>copy</b> of the collection of packages known to the package manager. 20370 * @return A copy of the values of mPackages. 20371 */ 20372 Collection<PackageParser.Package> getPackages() { 20373 synchronized (mPackages) { 20374 return new ArrayList<>(mPackages.values()); 20375 } 20376 } 20377 20378 /** 20379 * Logs process start information (including base APK hash) to the security log. 20380 * @hide 20381 */ 20382 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20383 String apkFile, int pid) { 20384 if (!SecurityLog.isLoggingEnabled()) { 20385 return; 20386 } 20387 Bundle data = new Bundle(); 20388 data.putLong("startTimestamp", System.currentTimeMillis()); 20389 data.putString("processName", processName); 20390 data.putInt("uid", uid); 20391 data.putString("seinfo", seinfo); 20392 data.putString("apkFile", apkFile); 20393 data.putInt("pid", pid); 20394 Message msg = mProcessLoggingHandler.obtainMessage( 20395 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20396 msg.setData(data); 20397 mProcessLoggingHandler.sendMessage(msg); 20398 } 20399} 20400