PackageManagerService.java revision 2527fa3067ce5ccc707203a06f00eea595d05308
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.Trace.TRACE_TAG_PACKAGE_MANAGER; 80import static android.system.OsConstants.O_CREAT; 81import static android.system.OsConstants.O_RDWR; 82 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 85import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 86import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 87import static com.android.internal.util.ArrayUtils.appendInt; 88import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 89import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 92import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 93import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 100 101import android.Manifest; 102import android.annotation.NonNull; 103import android.annotation.Nullable; 104import android.annotation.UserIdInt; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.ResourcesManager; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.UserManagerInternal; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.security.KeyStore; 200import android.security.SystemKeyStore; 201import android.system.ErrnoException; 202import android.system.Os; 203import android.text.TextUtils; 204import android.text.format.DateUtils; 205import android.util.ArrayMap; 206import android.util.ArraySet; 207import android.util.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.logging.MetricsLogger; 229import com.android.internal.os.IParcelFileDescriptorFactory; 230import com.android.internal.os.InstallerConnection.InstallerException; 231import com.android.internal.os.SomeArgs; 232import com.android.internal.os.Zygote; 233import com.android.internal.telephony.CarrierAppUtils; 234import com.android.internal.util.ArrayUtils; 235import com.android.internal.util.FastPrintWriter; 236import com.android.internal.util.FastXmlSerializer; 237import com.android.internal.util.IndentingPrintWriter; 238import com.android.internal.util.Preconditions; 239import com.android.internal.util.XmlUtils; 240import com.android.server.AttributeCache; 241import com.android.server.EventLogTags; 242import com.android.server.FgThread; 243import com.android.server.IntentResolver; 244import com.android.server.LocalServices; 245import com.android.server.ServiceThread; 246import com.android.server.SystemConfig; 247import com.android.server.Watchdog; 248import com.android.server.net.NetworkPolicyManagerInternal; 249import com.android.server.pm.PermissionsState.PermissionState; 250import com.android.server.pm.Settings.DatabaseVersion; 251import com.android.server.pm.Settings.VersionInfo; 252import com.android.server.storage.DeviceStorageMonitorInternal; 253 254import dalvik.system.CloseGuard; 255import dalvik.system.DexFile; 256import dalvik.system.VMRuntime; 257 258import libcore.io.IoUtils; 259import libcore.util.EmptyArray; 260 261import org.xmlpull.v1.XmlPullParser; 262import org.xmlpull.v1.XmlPullParserException; 263import org.xmlpull.v1.XmlSerializer; 264 265import java.io.BufferedOutputStream; 266import java.io.BufferedReader; 267import java.io.ByteArrayInputStream; 268import java.io.ByteArrayOutputStream; 269import java.io.File; 270import java.io.FileDescriptor; 271import java.io.FileInputStream; 272import java.io.FileNotFoundException; 273import java.io.FileOutputStream; 274import java.io.FileReader; 275import java.io.FilenameFilter; 276import java.io.IOException; 277import java.io.PrintWriter; 278import java.nio.charset.StandardCharsets; 279import java.security.DigestInputStream; 280import java.security.MessageDigest; 281import java.security.NoSuchAlgorithmException; 282import java.security.PublicKey; 283import java.security.cert.Certificate; 284import java.security.cert.CertificateEncodingException; 285import java.security.cert.CertificateException; 286import java.text.SimpleDateFormat; 287import java.util.ArrayList; 288import java.util.Arrays; 289import java.util.Collection; 290import java.util.Collections; 291import java.util.Comparator; 292import java.util.Date; 293import java.util.HashSet; 294import java.util.Iterator; 295import java.util.List; 296import java.util.Map; 297import java.util.Objects; 298import java.util.Set; 299import java.util.concurrent.CountDownLatch; 300import java.util.concurrent.TimeUnit; 301import java.util.concurrent.atomic.AtomicBoolean; 302import java.util.concurrent.atomic.AtomicInteger; 303 304/** 305 * Keep track of all those APKs everywhere. 306 * <p> 307 * Internally there are two important locks: 308 * <ul> 309 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 310 * and other related state. It is a fine-grained lock that should only be held 311 * momentarily, as it's one of the most contended locks in the system. 312 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 313 * operations typically involve heavy lifting of application data on disk. Since 314 * {@code installd} is single-threaded, and it's operations can often be slow, 315 * this lock should never be acquired while already holding {@link #mPackages}. 316 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 317 * holding {@link #mInstallLock}. 318 * </ul> 319 * Many internal methods rely on the caller to hold the appropriate locks, and 320 * this contract is expressed through method name suffixes: 321 * <ul> 322 * <li>fooLI(): the caller must hold {@link #mInstallLock} 323 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 324 * being modified must be frozen 325 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 326 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 327 * </ul> 328 * <p> 329 * Because this class is very central to the platform's security; please run all 330 * CTS and unit tests whenever making modifications: 331 * 332 * <pre> 333 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 334 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 335 * </pre> 336 */ 337public class PackageManagerService extends IPackageManager.Stub { 338 static final String TAG = "PackageManager"; 339 static final boolean DEBUG_SETTINGS = false; 340 static final boolean DEBUG_PREFERRED = false; 341 static final boolean DEBUG_UPGRADE = false; 342 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 343 private static final boolean DEBUG_BACKUP = false; 344 private static final boolean DEBUG_INSTALL = false; 345 private static final boolean DEBUG_REMOVE = false; 346 private static final boolean DEBUG_BROADCASTS = false; 347 private static final boolean DEBUG_SHOW_INFO = false; 348 private static final boolean DEBUG_PACKAGE_INFO = false; 349 private static final boolean DEBUG_INTENT_MATCHING = false; 350 private static final boolean DEBUG_PACKAGE_SCANNING = false; 351 private static final boolean DEBUG_VERIFY = false; 352 private static final boolean DEBUG_FILTERS = false; 353 354 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 355 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 356 // user, but by default initialize to this. 357 static final boolean DEBUG_DEXOPT = false; 358 359 private static final boolean DEBUG_ABI_SELECTION = false; 360 private static final boolean DEBUG_EPHEMERAL = false; 361 private static final boolean DEBUG_TRIAGED_MISSING = false; 362 private static final boolean DEBUG_APP_DATA = false; 363 364 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 365 366 private static final boolean DISABLE_EPHEMERAL_APPS = true; 367 368 private static final int RADIO_UID = Process.PHONE_UID; 369 private static final int LOG_UID = Process.LOG_UID; 370 private static final int NFC_UID = Process.NFC_UID; 371 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 372 private static final int SHELL_UID = Process.SHELL_UID; 373 374 // Cap the size of permission trees that 3rd party apps can define 375 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 376 377 // Suffix used during package installation when copying/moving 378 // package apks to install directory. 379 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 380 381 static final int SCAN_NO_DEX = 1<<1; 382 static final int SCAN_FORCE_DEX = 1<<2; 383 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 384 static final int SCAN_NEW_INSTALL = 1<<4; 385 static final int SCAN_NO_PATHS = 1<<5; 386 static final int SCAN_UPDATE_TIME = 1<<6; 387 static final int SCAN_DEFER_DEX = 1<<7; 388 static final int SCAN_BOOTING = 1<<8; 389 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 390 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 391 static final int SCAN_REPLACING = 1<<11; 392 static final int SCAN_REQUIRE_KNOWN = 1<<12; 393 static final int SCAN_MOVE = 1<<13; 394 static final int SCAN_INITIAL = 1<<14; 395 static final int SCAN_CHECK_ONLY = 1<<15; 396 static final int SCAN_DONT_KILL_APP = 1<<17; 397 static final int SCAN_IGNORE_FROZEN = 1<<18; 398 399 static final int REMOVE_CHATTY = 1<<16; 400 401 private static final int[] EMPTY_INT_ARRAY = new int[0]; 402 403 /** 404 * Timeout (in milliseconds) after which the watchdog should declare that 405 * our handler thread is wedged. The usual default for such things is one 406 * minute but we sometimes do very lengthy I/O operations on this thread, 407 * such as installing multi-gigabyte applications, so ours needs to be longer. 408 */ 409 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 410 411 /** 412 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 413 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 414 * settings entry if available, otherwise we use the hardcoded default. If it's been 415 * more than this long since the last fstrim, we force one during the boot sequence. 416 * 417 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 418 * one gets run at the next available charging+idle time. This final mandatory 419 * no-fstrim check kicks in only of the other scheduling criteria is never met. 420 */ 421 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 422 423 /** 424 * Whether verification is enabled by default. 425 */ 426 private static final boolean DEFAULT_VERIFY_ENABLE = true; 427 428 /** 429 * The default maximum time to wait for the verification agent to return in 430 * milliseconds. 431 */ 432 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 433 434 /** 435 * The default response for package verification timeout. 436 * 437 * This can be either PackageManager.VERIFICATION_ALLOW or 438 * PackageManager.VERIFICATION_REJECT. 439 */ 440 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 441 442 static final String PLATFORM_PACKAGE_NAME = "android"; 443 444 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 445 446 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 447 DEFAULT_CONTAINER_PACKAGE, 448 "com.android.defcontainer.DefaultContainerService"); 449 450 private static final String KILL_APP_REASON_GIDS_CHANGED = 451 "permission grant or revoke changed gids"; 452 453 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 454 "permissions revoked"; 455 456 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 457 458 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 459 460 /** Permission grant: not grant the permission. */ 461 private static final int GRANT_DENIED = 1; 462 463 /** Permission grant: grant the permission as an install permission. */ 464 private static final int GRANT_INSTALL = 2; 465 466 /** Permission grant: grant the permission as a runtime one. */ 467 private static final int GRANT_RUNTIME = 3; 468 469 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 470 private static final int GRANT_UPGRADE = 4; 471 472 /** Canonical intent used to identify what counts as a "web browser" app */ 473 private static final Intent sBrowserIntent; 474 static { 475 sBrowserIntent = new Intent(); 476 sBrowserIntent.setAction(Intent.ACTION_VIEW); 477 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 478 sBrowserIntent.setData(Uri.parse("http:")); 479 } 480 481 /** 482 * The set of all protected actions [i.e. those actions for which a high priority 483 * intent filter is disallowed]. 484 */ 485 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 486 static { 487 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 488 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 489 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 490 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 491 } 492 493 // Compilation reasons. 494 public static final int REASON_FIRST_BOOT = 0; 495 public static final int REASON_BOOT = 1; 496 public static final int REASON_INSTALL = 2; 497 public static final int REASON_BACKGROUND_DEXOPT = 3; 498 public static final int REASON_AB_OTA = 4; 499 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 500 public static final int REASON_SHARED_APK = 6; 501 public static final int REASON_FORCED_DEXOPT = 7; 502 public static final int REASON_CORE_APP = 8; 503 504 public static final int REASON_LAST = REASON_CORE_APP; 505 506 /** Special library name that skips shared libraries check during compilation. */ 507 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 508 509 final ServiceThread mHandlerThread; 510 511 final PackageHandler mHandler; 512 513 private final ProcessLoggingHandler mProcessLoggingHandler; 514 515 /** 516 * Messages for {@link #mHandler} that need to wait for system ready before 517 * being dispatched. 518 */ 519 private ArrayList<Message> mPostSystemReadyMessages; 520 521 final int mSdkVersion = Build.VERSION.SDK_INT; 522 523 final Context mContext; 524 final boolean mFactoryTest; 525 final boolean mOnlyCore; 526 final DisplayMetrics mMetrics; 527 final int mDefParseFlags; 528 final String[] mSeparateProcesses; 529 final boolean mIsUpgrade; 530 final boolean mIsPreNUpgrade; 531 532 /** The location for ASEC container files on internal storage. */ 533 final String mAsecInternalPath; 534 535 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 536 // LOCK HELD. Can be called with mInstallLock held. 537 @GuardedBy("mInstallLock") 538 final Installer mInstaller; 539 540 /** Directory where installed third-party apps stored */ 541 final File mAppInstallDir; 542 final File mEphemeralInstallDir; 543 544 /** 545 * Directory to which applications installed internally have their 546 * 32 bit native libraries copied. 547 */ 548 private File mAppLib32InstallDir; 549 550 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 551 // apps. 552 final File mDrmAppPrivateInstallDir; 553 554 // ---------------------------------------------------------------- 555 556 // Lock for state used when installing and doing other long running 557 // operations. Methods that must be called with this lock held have 558 // the suffix "LI". 559 final Object mInstallLock = new Object(); 560 561 // ---------------------------------------------------------------- 562 563 // Keys are String (package name), values are Package. This also serves 564 // as the lock for the global state. Methods that must be called with 565 // this lock held have the prefix "LP". 566 @GuardedBy("mPackages") 567 final ArrayMap<String, PackageParser.Package> mPackages = 568 new ArrayMap<String, PackageParser.Package>(); 569 570 final ArrayMap<String, Set<String>> mKnownCodebase = 571 new ArrayMap<String, Set<String>>(); 572 573 // Tracks available target package names -> overlay package paths. 574 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 575 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 576 577 /** 578 * Tracks new system packages [received in an OTA] that we expect to 579 * find updated user-installed versions. Keys are package name, values 580 * are package location. 581 */ 582 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 583 /** 584 * Tracks high priority intent filters for protected actions. During boot, certain 585 * filter actions are protected and should never be allowed to have a high priority 586 * intent filter for them. However, there is one, and only one exception -- the 587 * setup wizard. It must be able to define a high priority intent filter for these 588 * actions to ensure there are no escapes from the wizard. We need to delay processing 589 * of these during boot as we need to look at all of the system packages in order 590 * to know which component is the setup wizard. 591 */ 592 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 593 /** 594 * Whether or not processing protected filters should be deferred. 595 */ 596 private boolean mDeferProtectedFilters = true; 597 598 /** 599 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 600 */ 601 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 602 /** 603 * Whether or not system app permissions should be promoted from install to runtime. 604 */ 605 boolean mPromoteSystemApps; 606 607 @GuardedBy("mPackages") 608 final Settings mSettings; 609 610 /** 611 * Set of package names that are currently "frozen", which means active 612 * surgery is being done on the code/data for that package. The platform 613 * will refuse to launch frozen packages to avoid race conditions. 614 * 615 * @see PackageFreezer 616 */ 617 @GuardedBy("mPackages") 618 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 619 620 final ProtectedPackages mProtectedPackages = new ProtectedPackages(); 621 622 boolean mFirstBoot; 623 624 // System configuration read by SystemConfig. 625 final int[] mGlobalGids; 626 final SparseArray<ArraySet<String>> mSystemPermissions; 627 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 628 629 // If mac_permissions.xml was found for seinfo labeling. 630 boolean mFoundPolicyFile; 631 632 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 633 634 public static final class SharedLibraryEntry { 635 public final String path; 636 public final String apk; 637 638 SharedLibraryEntry(String _path, String _apk) { 639 path = _path; 640 apk = _apk; 641 } 642 } 643 644 // Currently known shared libraries. 645 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 646 new ArrayMap<String, SharedLibraryEntry>(); 647 648 // All available activities, for your resolving pleasure. 649 final ActivityIntentResolver mActivities = 650 new ActivityIntentResolver(); 651 652 // All available receivers, for your resolving pleasure. 653 final ActivityIntentResolver mReceivers = 654 new ActivityIntentResolver(); 655 656 // All available services, for your resolving pleasure. 657 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 658 659 // All available providers, for your resolving pleasure. 660 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 661 662 // Mapping from provider base names (first directory in content URI codePath) 663 // to the provider information. 664 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 665 new ArrayMap<String, PackageParser.Provider>(); 666 667 // Mapping from instrumentation class names to info about them. 668 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 669 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 670 671 // Mapping from permission names to info about them. 672 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 673 new ArrayMap<String, PackageParser.PermissionGroup>(); 674 675 // Packages whose data we have transfered into another package, thus 676 // should no longer exist. 677 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 678 679 // Broadcast actions that are only available to the system. 680 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 681 682 /** List of packages waiting for verification. */ 683 final SparseArray<PackageVerificationState> mPendingVerification 684 = new SparseArray<PackageVerificationState>(); 685 686 /** Set of packages associated with each app op permission. */ 687 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 688 689 final PackageInstallerService mInstallerService; 690 691 private final PackageDexOptimizer mPackageDexOptimizer; 692 693 private AtomicInteger mNextMoveId = new AtomicInteger(); 694 private final MoveCallbacks mMoveCallbacks; 695 696 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 697 698 // Cache of users who need badging. 699 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 700 701 /** Token for keys in mPendingVerification. */ 702 private int mPendingVerificationToken = 0; 703 704 volatile boolean mSystemReady; 705 volatile boolean mSafeMode; 706 volatile boolean mHasSystemUidErrors; 707 708 ApplicationInfo mAndroidApplication; 709 final ActivityInfo mResolveActivity = new ActivityInfo(); 710 final ResolveInfo mResolveInfo = new ResolveInfo(); 711 ComponentName mResolveComponentName; 712 PackageParser.Package mPlatformPackage; 713 ComponentName mCustomResolverComponentName; 714 715 boolean mResolverReplaced = false; 716 717 private final @Nullable ComponentName mIntentFilterVerifierComponent; 718 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 719 720 private int mIntentFilterVerificationToken = 0; 721 722 /** Component that knows whether or not an ephemeral application exists */ 723 final ComponentName mEphemeralResolverComponent; 724 /** The service connection to the ephemeral resolver */ 725 final EphemeralResolverConnection mEphemeralResolverConnection; 726 727 /** Component used to install ephemeral applications */ 728 final ComponentName mEphemeralInstallerComponent; 729 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 730 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 731 732 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 733 = new SparseArray<IntentFilterVerificationState>(); 734 735 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 736 new DefaultPermissionGrantPolicy(this); 737 738 // List of packages names to keep cached, even if they are uninstalled for all users 739 private List<String> mKeepUninstalledPackages; 740 741 private UserManagerInternal mUserManagerInternal; 742 743 private static class IFVerificationParams { 744 PackageParser.Package pkg; 745 boolean replacing; 746 int userId; 747 int verifierUid; 748 749 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 750 int _userId, int _verifierUid) { 751 pkg = _pkg; 752 replacing = _replacing; 753 userId = _userId; 754 replacing = _replacing; 755 verifierUid = _verifierUid; 756 } 757 } 758 759 private interface IntentFilterVerifier<T extends IntentFilter> { 760 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 761 T filter, String packageName); 762 void startVerifications(int userId); 763 void receiveVerificationResponse(int verificationId); 764 } 765 766 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 767 private Context mContext; 768 private ComponentName mIntentFilterVerifierComponent; 769 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 770 771 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 772 mContext = context; 773 mIntentFilterVerifierComponent = verifierComponent; 774 } 775 776 private String getDefaultScheme() { 777 return IntentFilter.SCHEME_HTTPS; 778 } 779 780 @Override 781 public void startVerifications(int userId) { 782 // Launch verifications requests 783 int count = mCurrentIntentFilterVerifications.size(); 784 for (int n=0; n<count; n++) { 785 int verificationId = mCurrentIntentFilterVerifications.get(n); 786 final IntentFilterVerificationState ivs = 787 mIntentFilterVerificationStates.get(verificationId); 788 789 String packageName = ivs.getPackageName(); 790 791 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 792 final int filterCount = filters.size(); 793 ArraySet<String> domainsSet = new ArraySet<>(); 794 for (int m=0; m<filterCount; m++) { 795 PackageParser.ActivityIntentInfo filter = filters.get(m); 796 domainsSet.addAll(filter.getHostsList()); 797 } 798 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 799 synchronized (mPackages) { 800 if (mSettings.createIntentFilterVerificationIfNeededLPw( 801 packageName, domainsList) != null) { 802 scheduleWriteSettingsLocked(); 803 } 804 } 805 sendVerificationRequest(userId, verificationId, ivs); 806 } 807 mCurrentIntentFilterVerifications.clear(); 808 } 809 810 private void sendVerificationRequest(int userId, int verificationId, 811 IntentFilterVerificationState ivs) { 812 813 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 814 verificationIntent.putExtra( 815 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 816 verificationId); 817 verificationIntent.putExtra( 818 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 819 getDefaultScheme()); 820 verificationIntent.putExtra( 821 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 822 ivs.getHostsString()); 823 verificationIntent.putExtra( 824 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 825 ivs.getPackageName()); 826 verificationIntent.setComponent(mIntentFilterVerifierComponent); 827 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 828 829 UserHandle user = new UserHandle(userId); 830 mContext.sendBroadcastAsUser(verificationIntent, user); 831 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 832 "Sending IntentFilter verification broadcast"); 833 } 834 835 public void receiveVerificationResponse(int verificationId) { 836 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 837 838 final boolean verified = ivs.isVerified(); 839 840 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 841 final int count = filters.size(); 842 if (DEBUG_DOMAIN_VERIFICATION) { 843 Slog.i(TAG, "Received verification response " + verificationId 844 + " for " + count + " filters, verified=" + verified); 845 } 846 for (int n=0; n<count; n++) { 847 PackageParser.ActivityIntentInfo filter = filters.get(n); 848 filter.setVerified(verified); 849 850 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 851 + " verified with result:" + verified + " and hosts:" 852 + ivs.getHostsString()); 853 } 854 855 mIntentFilterVerificationStates.remove(verificationId); 856 857 final String packageName = ivs.getPackageName(); 858 IntentFilterVerificationInfo ivi = null; 859 860 synchronized (mPackages) { 861 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 862 } 863 if (ivi == null) { 864 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 865 + verificationId + " packageName:" + packageName); 866 return; 867 } 868 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 869 "Updating IntentFilterVerificationInfo for package " + packageName 870 +" verificationId:" + verificationId); 871 872 synchronized (mPackages) { 873 if (verified) { 874 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 875 } else { 876 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 877 } 878 scheduleWriteSettingsLocked(); 879 880 final int userId = ivs.getUserId(); 881 if (userId != UserHandle.USER_ALL) { 882 final int userStatus = 883 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 884 885 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 886 boolean needUpdate = false; 887 888 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 889 // already been set by the User thru the Disambiguation dialog 890 switch (userStatus) { 891 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 892 if (verified) { 893 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 894 } else { 895 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 896 } 897 needUpdate = true; 898 break; 899 900 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 901 if (verified) { 902 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 903 needUpdate = true; 904 } 905 break; 906 907 default: 908 // Nothing to do 909 } 910 911 if (needUpdate) { 912 mSettings.updateIntentFilterVerificationStatusLPw( 913 packageName, updatedStatus, userId); 914 scheduleWritePackageRestrictionsLocked(userId); 915 } 916 } 917 } 918 } 919 920 @Override 921 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 922 ActivityIntentInfo filter, String packageName) { 923 if (!hasValidDomains(filter)) { 924 return false; 925 } 926 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 927 if (ivs == null) { 928 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 929 packageName); 930 } 931 if (DEBUG_DOMAIN_VERIFICATION) { 932 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 933 } 934 ivs.addFilter(filter); 935 return true; 936 } 937 938 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 939 int userId, int verificationId, String packageName) { 940 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 941 verifierUid, userId, packageName); 942 ivs.setPendingState(); 943 synchronized (mPackages) { 944 mIntentFilterVerificationStates.append(verificationId, ivs); 945 mCurrentIntentFilterVerifications.add(verificationId); 946 } 947 return ivs; 948 } 949 } 950 951 private static boolean hasValidDomains(ActivityIntentInfo filter) { 952 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 953 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 954 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 955 } 956 957 // Set of pending broadcasts for aggregating enable/disable of components. 958 static class PendingPackageBroadcasts { 959 // for each user id, a map of <package name -> components within that package> 960 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 961 962 public PendingPackageBroadcasts() { 963 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 964 } 965 966 public ArrayList<String> get(int userId, String packageName) { 967 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 968 return packages.get(packageName); 969 } 970 971 public void put(int userId, String packageName, ArrayList<String> components) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 packages.put(packageName, components); 974 } 975 976 public void remove(int userId, String packageName) { 977 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 978 if (packages != null) { 979 packages.remove(packageName); 980 } 981 } 982 983 public void remove(int userId) { 984 mUidMap.remove(userId); 985 } 986 987 public int userIdCount() { 988 return mUidMap.size(); 989 } 990 991 public int userIdAt(int n) { 992 return mUidMap.keyAt(n); 993 } 994 995 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 996 return mUidMap.get(userId); 997 } 998 999 public int size() { 1000 // total number of pending broadcast entries across all userIds 1001 int num = 0; 1002 for (int i = 0; i< mUidMap.size(); i++) { 1003 num += mUidMap.valueAt(i).size(); 1004 } 1005 return num; 1006 } 1007 1008 public void clear() { 1009 mUidMap.clear(); 1010 } 1011 1012 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1013 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1014 if (map == null) { 1015 map = new ArrayMap<String, ArrayList<String>>(); 1016 mUidMap.put(userId, map); 1017 } 1018 return map; 1019 } 1020 } 1021 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1022 1023 // Service Connection to remote media container service to copy 1024 // package uri's from external media onto secure containers 1025 // or internal storage. 1026 private IMediaContainerService mContainerService = null; 1027 1028 static final int SEND_PENDING_BROADCAST = 1; 1029 static final int MCS_BOUND = 3; 1030 static final int END_COPY = 4; 1031 static final int INIT_COPY = 5; 1032 static final int MCS_UNBIND = 6; 1033 static final int START_CLEANING_PACKAGE = 7; 1034 static final int FIND_INSTALL_LOC = 8; 1035 static final int POST_INSTALL = 9; 1036 static final int MCS_RECONNECT = 10; 1037 static final int MCS_GIVE_UP = 11; 1038 static final int UPDATED_MEDIA_STATUS = 12; 1039 static final int WRITE_SETTINGS = 13; 1040 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1041 static final int PACKAGE_VERIFIED = 15; 1042 static final int CHECK_PENDING_VERIFICATION = 16; 1043 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1044 static final int INTENT_FILTER_VERIFIED = 18; 1045 static final int WRITE_PACKAGE_LIST = 19; 1046 1047 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1048 1049 // Delay time in millisecs 1050 static final int BROADCAST_DELAY = 10 * 1000; 1051 1052 static UserManagerService sUserManager; 1053 1054 // Stores a list of users whose package restrictions file needs to be updated 1055 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1056 1057 final private DefaultContainerConnection mDefContainerConn = 1058 new DefaultContainerConnection(); 1059 class DefaultContainerConnection implements ServiceConnection { 1060 public void onServiceConnected(ComponentName name, IBinder service) { 1061 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1062 IMediaContainerService imcs = 1063 IMediaContainerService.Stub.asInterface(service); 1064 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1065 } 1066 1067 public void onServiceDisconnected(ComponentName name) { 1068 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1069 } 1070 } 1071 1072 // Recordkeeping of restore-after-install operations that are currently in flight 1073 // between the Package Manager and the Backup Manager 1074 static class PostInstallData { 1075 public InstallArgs args; 1076 public PackageInstalledInfo res; 1077 1078 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1079 args = _a; 1080 res = _r; 1081 } 1082 } 1083 1084 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1085 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1086 1087 // XML tags for backup/restore of various bits of state 1088 private static final String TAG_PREFERRED_BACKUP = "pa"; 1089 private static final String TAG_DEFAULT_APPS = "da"; 1090 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1091 1092 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1093 private static final String TAG_ALL_GRANTS = "rt-grants"; 1094 private static final String TAG_GRANT = "grant"; 1095 private static final String ATTR_PACKAGE_NAME = "pkg"; 1096 1097 private static final String TAG_PERMISSION = "perm"; 1098 private static final String ATTR_PERMISSION_NAME = "name"; 1099 private static final String ATTR_IS_GRANTED = "g"; 1100 private static final String ATTR_USER_SET = "set"; 1101 private static final String ATTR_USER_FIXED = "fixed"; 1102 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1103 1104 // System/policy permission grants are not backed up 1105 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1106 FLAG_PERMISSION_POLICY_FIXED 1107 | FLAG_PERMISSION_SYSTEM_FIXED 1108 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1109 1110 // And we back up these user-adjusted states 1111 private static final int USER_RUNTIME_GRANT_MASK = 1112 FLAG_PERMISSION_USER_SET 1113 | FLAG_PERMISSION_USER_FIXED 1114 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1115 1116 final @Nullable String mRequiredVerifierPackage; 1117 final @NonNull String mRequiredInstallerPackage; 1118 final @Nullable String mSetupWizardPackage; 1119 final @NonNull String mServicesSystemSharedLibraryPackageName; 1120 final @NonNull String mSharedSystemSharedLibraryPackageName; 1121 1122 private final PackageUsage mPackageUsage = new PackageUsage(); 1123 private final CompilerStats mCompilerStats = new CompilerStats(); 1124 1125 class PackageHandler extends Handler { 1126 private boolean mBound = false; 1127 final ArrayList<HandlerParams> mPendingInstalls = 1128 new ArrayList<HandlerParams>(); 1129 1130 private boolean connectToService() { 1131 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1132 " DefaultContainerService"); 1133 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1134 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1135 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1136 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1137 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1138 mBound = true; 1139 return true; 1140 } 1141 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1142 return false; 1143 } 1144 1145 private void disconnectService() { 1146 mContainerService = null; 1147 mBound = false; 1148 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1149 mContext.unbindService(mDefContainerConn); 1150 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1151 } 1152 1153 PackageHandler(Looper looper) { 1154 super(looper); 1155 } 1156 1157 public void handleMessage(Message msg) { 1158 try { 1159 doHandleMessage(msg); 1160 } finally { 1161 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1162 } 1163 } 1164 1165 void doHandleMessage(Message msg) { 1166 switch (msg.what) { 1167 case INIT_COPY: { 1168 HandlerParams params = (HandlerParams) msg.obj; 1169 int idx = mPendingInstalls.size(); 1170 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1171 // If a bind was already initiated we dont really 1172 // need to do anything. The pending install 1173 // will be processed later on. 1174 if (!mBound) { 1175 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1176 System.identityHashCode(mHandler)); 1177 // If this is the only one pending we might 1178 // have to bind to the service again. 1179 if (!connectToService()) { 1180 Slog.e(TAG, "Failed to bind to media container service"); 1181 params.serviceError(); 1182 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1183 System.identityHashCode(mHandler)); 1184 if (params.traceMethod != null) { 1185 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1186 params.traceCookie); 1187 } 1188 return; 1189 } else { 1190 // Once we bind to the service, the first 1191 // pending request will be processed. 1192 mPendingInstalls.add(idx, params); 1193 } 1194 } else { 1195 mPendingInstalls.add(idx, params); 1196 // Already bound to the service. Just make 1197 // sure we trigger off processing the first request. 1198 if (idx == 0) { 1199 mHandler.sendEmptyMessage(MCS_BOUND); 1200 } 1201 } 1202 break; 1203 } 1204 case MCS_BOUND: { 1205 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1206 if (msg.obj != null) { 1207 mContainerService = (IMediaContainerService) msg.obj; 1208 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1209 System.identityHashCode(mHandler)); 1210 } 1211 if (mContainerService == null) { 1212 if (!mBound) { 1213 // Something seriously wrong since we are not bound and we are not 1214 // waiting for connection. Bail out. 1215 Slog.e(TAG, "Cannot bind to media container service"); 1216 for (HandlerParams params : mPendingInstalls) { 1217 // Indicate service bind error 1218 params.serviceError(); 1219 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1220 System.identityHashCode(params)); 1221 if (params.traceMethod != null) { 1222 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1223 params.traceMethod, params.traceCookie); 1224 } 1225 return; 1226 } 1227 mPendingInstalls.clear(); 1228 } else { 1229 Slog.w(TAG, "Waiting to connect to media container service"); 1230 } 1231 } else if (mPendingInstalls.size() > 0) { 1232 HandlerParams params = mPendingInstalls.get(0); 1233 if (params != null) { 1234 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1235 System.identityHashCode(params)); 1236 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1237 if (params.startCopy()) { 1238 // We are done... look for more work or to 1239 // go idle. 1240 if (DEBUG_SD_INSTALL) Log.i(TAG, 1241 "Checking for more work or unbind..."); 1242 // Delete pending install 1243 if (mPendingInstalls.size() > 0) { 1244 mPendingInstalls.remove(0); 1245 } 1246 if (mPendingInstalls.size() == 0) { 1247 if (mBound) { 1248 if (DEBUG_SD_INSTALL) Log.i(TAG, 1249 "Posting delayed MCS_UNBIND"); 1250 removeMessages(MCS_UNBIND); 1251 Message ubmsg = obtainMessage(MCS_UNBIND); 1252 // Unbind after a little delay, to avoid 1253 // continual thrashing. 1254 sendMessageDelayed(ubmsg, 10000); 1255 } 1256 } else { 1257 // There are more pending requests in queue. 1258 // Just post MCS_BOUND message to trigger processing 1259 // of next pending install. 1260 if (DEBUG_SD_INSTALL) Log.i(TAG, 1261 "Posting MCS_BOUND for next work"); 1262 mHandler.sendEmptyMessage(MCS_BOUND); 1263 } 1264 } 1265 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1266 } 1267 } else { 1268 // Should never happen ideally. 1269 Slog.w(TAG, "Empty queue"); 1270 } 1271 break; 1272 } 1273 case MCS_RECONNECT: { 1274 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1275 if (mPendingInstalls.size() > 0) { 1276 if (mBound) { 1277 disconnectService(); 1278 } 1279 if (!connectToService()) { 1280 Slog.e(TAG, "Failed to bind to media container service"); 1281 for (HandlerParams params : mPendingInstalls) { 1282 // Indicate service bind error 1283 params.serviceError(); 1284 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1285 System.identityHashCode(params)); 1286 } 1287 mPendingInstalls.clear(); 1288 } 1289 } 1290 break; 1291 } 1292 case MCS_UNBIND: { 1293 // If there is no actual work left, then time to unbind. 1294 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1295 1296 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1297 if (mBound) { 1298 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1299 1300 disconnectService(); 1301 } 1302 } else if (mPendingInstalls.size() > 0) { 1303 // There are more pending requests in queue. 1304 // Just post MCS_BOUND message to trigger processing 1305 // of next pending install. 1306 mHandler.sendEmptyMessage(MCS_BOUND); 1307 } 1308 1309 break; 1310 } 1311 case MCS_GIVE_UP: { 1312 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1313 HandlerParams params = mPendingInstalls.remove(0); 1314 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1315 System.identityHashCode(params)); 1316 break; 1317 } 1318 case SEND_PENDING_BROADCAST: { 1319 String packages[]; 1320 ArrayList<String> components[]; 1321 int size = 0; 1322 int uids[]; 1323 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1324 synchronized (mPackages) { 1325 if (mPendingBroadcasts == null) { 1326 return; 1327 } 1328 size = mPendingBroadcasts.size(); 1329 if (size <= 0) { 1330 // Nothing to be done. Just return 1331 return; 1332 } 1333 packages = new String[size]; 1334 components = new ArrayList[size]; 1335 uids = new int[size]; 1336 int i = 0; // filling out the above arrays 1337 1338 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1339 int packageUserId = mPendingBroadcasts.userIdAt(n); 1340 Iterator<Map.Entry<String, ArrayList<String>>> it 1341 = mPendingBroadcasts.packagesForUserId(packageUserId) 1342 .entrySet().iterator(); 1343 while (it.hasNext() && i < size) { 1344 Map.Entry<String, ArrayList<String>> ent = it.next(); 1345 packages[i] = ent.getKey(); 1346 components[i] = ent.getValue(); 1347 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1348 uids[i] = (ps != null) 1349 ? UserHandle.getUid(packageUserId, ps.appId) 1350 : -1; 1351 i++; 1352 } 1353 } 1354 size = i; 1355 mPendingBroadcasts.clear(); 1356 } 1357 // Send broadcasts 1358 for (int i = 0; i < size; i++) { 1359 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1360 } 1361 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1362 break; 1363 } 1364 case START_CLEANING_PACKAGE: { 1365 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1366 final String packageName = (String)msg.obj; 1367 final int userId = msg.arg1; 1368 final boolean andCode = msg.arg2 != 0; 1369 synchronized (mPackages) { 1370 if (userId == UserHandle.USER_ALL) { 1371 int[] users = sUserManager.getUserIds(); 1372 for (int user : users) { 1373 mSettings.addPackageToCleanLPw( 1374 new PackageCleanItem(user, packageName, andCode)); 1375 } 1376 } else { 1377 mSettings.addPackageToCleanLPw( 1378 new PackageCleanItem(userId, packageName, andCode)); 1379 } 1380 } 1381 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1382 startCleaningPackages(); 1383 } break; 1384 case POST_INSTALL: { 1385 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1386 1387 PostInstallData data = mRunningInstalls.get(msg.arg1); 1388 final boolean didRestore = (msg.arg2 != 0); 1389 mRunningInstalls.delete(msg.arg1); 1390 1391 if (data != null) { 1392 InstallArgs args = data.args; 1393 PackageInstalledInfo parentRes = data.res; 1394 1395 final boolean grantPermissions = (args.installFlags 1396 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1397 final boolean killApp = (args.installFlags 1398 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1399 final String[] grantedPermissions = args.installGrantPermissions; 1400 1401 // Handle the parent package 1402 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1403 grantedPermissions, didRestore, args.installerPackageName, 1404 args.observer); 1405 1406 // Handle the child packages 1407 final int childCount = (parentRes.addedChildPackages != null) 1408 ? parentRes.addedChildPackages.size() : 0; 1409 for (int i = 0; i < childCount; i++) { 1410 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1411 handlePackagePostInstall(childRes, grantPermissions, killApp, 1412 grantedPermissions, false, args.installerPackageName, 1413 args.observer); 1414 } 1415 1416 // Log tracing if needed 1417 if (args.traceMethod != null) { 1418 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1419 args.traceCookie); 1420 } 1421 } else { 1422 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1423 } 1424 1425 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1426 } break; 1427 case UPDATED_MEDIA_STATUS: { 1428 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1429 boolean reportStatus = msg.arg1 == 1; 1430 boolean doGc = msg.arg2 == 1; 1431 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1432 if (doGc) { 1433 // Force a gc to clear up stale containers. 1434 Runtime.getRuntime().gc(); 1435 } 1436 if (msg.obj != null) { 1437 @SuppressWarnings("unchecked") 1438 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1439 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1440 // Unload containers 1441 unloadAllContainers(args); 1442 } 1443 if (reportStatus) { 1444 try { 1445 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1446 PackageHelper.getMountService().finishMediaUpdate(); 1447 } catch (RemoteException e) { 1448 Log.e(TAG, "MountService not running?"); 1449 } 1450 } 1451 } break; 1452 case WRITE_SETTINGS: { 1453 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1454 synchronized (mPackages) { 1455 removeMessages(WRITE_SETTINGS); 1456 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1457 mSettings.writeLPr(); 1458 mDirtyUsers.clear(); 1459 } 1460 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1461 } break; 1462 case WRITE_PACKAGE_RESTRICTIONS: { 1463 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1464 synchronized (mPackages) { 1465 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1466 for (int userId : mDirtyUsers) { 1467 mSettings.writePackageRestrictionsLPr(userId); 1468 } 1469 mDirtyUsers.clear(); 1470 } 1471 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1472 } break; 1473 case WRITE_PACKAGE_LIST: { 1474 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1475 synchronized (mPackages) { 1476 removeMessages(WRITE_PACKAGE_LIST); 1477 mSettings.writePackageListLPr(msg.arg1); 1478 } 1479 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1480 } break; 1481 case CHECK_PENDING_VERIFICATION: { 1482 final int verificationId = msg.arg1; 1483 final PackageVerificationState state = mPendingVerification.get(verificationId); 1484 1485 if ((state != null) && !state.timeoutExtended()) { 1486 final InstallArgs args = state.getInstallArgs(); 1487 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1488 1489 Slog.i(TAG, "Verification timed out for " + originUri); 1490 mPendingVerification.remove(verificationId); 1491 1492 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1493 1494 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1495 Slog.i(TAG, "Continuing with installation of " + originUri); 1496 state.setVerifierResponse(Binder.getCallingUid(), 1497 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1498 broadcastPackageVerified(verificationId, originUri, 1499 PackageManager.VERIFICATION_ALLOW, 1500 state.getInstallArgs().getUser()); 1501 try { 1502 ret = args.copyApk(mContainerService, true); 1503 } catch (RemoteException e) { 1504 Slog.e(TAG, "Could not contact the ContainerService"); 1505 } 1506 } else { 1507 broadcastPackageVerified(verificationId, originUri, 1508 PackageManager.VERIFICATION_REJECT, 1509 state.getInstallArgs().getUser()); 1510 } 1511 1512 Trace.asyncTraceEnd( 1513 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1514 1515 processPendingInstall(args, ret); 1516 mHandler.sendEmptyMessage(MCS_UNBIND); 1517 } 1518 break; 1519 } 1520 case PACKAGE_VERIFIED: { 1521 final int verificationId = msg.arg1; 1522 1523 final PackageVerificationState state = mPendingVerification.get(verificationId); 1524 if (state == null) { 1525 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1526 break; 1527 } 1528 1529 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1530 1531 state.setVerifierResponse(response.callerUid, response.code); 1532 1533 if (state.isVerificationComplete()) { 1534 mPendingVerification.remove(verificationId); 1535 1536 final InstallArgs args = state.getInstallArgs(); 1537 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1538 1539 int ret; 1540 if (state.isInstallAllowed()) { 1541 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1542 broadcastPackageVerified(verificationId, originUri, 1543 response.code, state.getInstallArgs().getUser()); 1544 try { 1545 ret = args.copyApk(mContainerService, true); 1546 } catch (RemoteException e) { 1547 Slog.e(TAG, "Could not contact the ContainerService"); 1548 } 1549 } else { 1550 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1551 } 1552 1553 Trace.asyncTraceEnd( 1554 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1555 1556 processPendingInstall(args, ret); 1557 mHandler.sendEmptyMessage(MCS_UNBIND); 1558 } 1559 1560 break; 1561 } 1562 case START_INTENT_FILTER_VERIFICATIONS: { 1563 IFVerificationParams params = (IFVerificationParams) msg.obj; 1564 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1565 params.replacing, params.pkg); 1566 break; 1567 } 1568 case INTENT_FILTER_VERIFIED: { 1569 final int verificationId = msg.arg1; 1570 1571 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1572 verificationId); 1573 if (state == null) { 1574 Slog.w(TAG, "Invalid IntentFilter verification token " 1575 + verificationId + " received"); 1576 break; 1577 } 1578 1579 final int userId = state.getUserId(); 1580 1581 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1582 "Processing IntentFilter verification with token:" 1583 + verificationId + " and userId:" + userId); 1584 1585 final IntentFilterVerificationResponse response = 1586 (IntentFilterVerificationResponse) msg.obj; 1587 1588 state.setVerifierResponse(response.callerUid, response.code); 1589 1590 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1591 "IntentFilter verification with token:" + verificationId 1592 + " and userId:" + userId 1593 + " is settings verifier response with response code:" 1594 + response.code); 1595 1596 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1597 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1598 + response.getFailedDomainsString()); 1599 } 1600 1601 if (state.isVerificationComplete()) { 1602 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1603 } else { 1604 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1605 "IntentFilter verification with token:" + verificationId 1606 + " was not said to be complete"); 1607 } 1608 1609 break; 1610 } 1611 } 1612 } 1613 } 1614 1615 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1616 boolean killApp, String[] grantedPermissions, 1617 boolean launchedForRestore, String installerPackage, 1618 IPackageInstallObserver2 installObserver) { 1619 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1620 // Send the removed broadcasts 1621 if (res.removedInfo != null) { 1622 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1623 } 1624 1625 // Now that we successfully installed the package, grant runtime 1626 // permissions if requested before broadcasting the install. 1627 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1628 >= Build.VERSION_CODES.M) { 1629 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1630 } 1631 1632 final boolean update = res.removedInfo != null 1633 && res.removedInfo.removedPackage != null; 1634 1635 // If this is the first time we have child packages for a disabled privileged 1636 // app that had no children, we grant requested runtime permissions to the new 1637 // children if the parent on the system image had them already granted. 1638 if (res.pkg.parentPackage != null) { 1639 synchronized (mPackages) { 1640 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1641 } 1642 } 1643 1644 synchronized (mPackages) { 1645 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1646 } 1647 1648 final String packageName = res.pkg.applicationInfo.packageName; 1649 Bundle extras = new Bundle(1); 1650 extras.putInt(Intent.EXTRA_UID, res.uid); 1651 1652 // Determine the set of users who are adding this package for 1653 // the first time vs. those who are seeing an update. 1654 int[] firstUsers = EMPTY_INT_ARRAY; 1655 int[] updateUsers = EMPTY_INT_ARRAY; 1656 if (res.origUsers == null || res.origUsers.length == 0) { 1657 firstUsers = res.newUsers; 1658 } else { 1659 for (int newUser : res.newUsers) { 1660 boolean isNew = true; 1661 for (int origUser : res.origUsers) { 1662 if (origUser == newUser) { 1663 isNew = false; 1664 break; 1665 } 1666 } 1667 if (isNew) { 1668 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1669 } else { 1670 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1671 } 1672 } 1673 } 1674 1675 // Send installed broadcasts if the install/update is not ephemeral 1676 if (!isEphemeral(res.pkg)) { 1677 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1678 1679 // Send added for users that see the package for the first time 1680 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1681 extras, 0 /*flags*/, null /*targetPackage*/, 1682 null /*finishedReceiver*/, firstUsers); 1683 1684 // Send added for users that don't see the package for the first time 1685 if (update) { 1686 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1687 } 1688 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1689 extras, 0 /*flags*/, null /*targetPackage*/, 1690 null /*finishedReceiver*/, updateUsers); 1691 1692 // Send replaced for users that don't see the package for the first time 1693 if (update) { 1694 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1695 packageName, extras, 0 /*flags*/, 1696 null /*targetPackage*/, null /*finishedReceiver*/, 1697 updateUsers); 1698 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1699 null /*package*/, null /*extras*/, 0 /*flags*/, 1700 packageName /*targetPackage*/, 1701 null /*finishedReceiver*/, updateUsers); 1702 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1703 // First-install and we did a restore, so we're responsible for the 1704 // first-launch broadcast. 1705 if (DEBUG_BACKUP) { 1706 Slog.i(TAG, "Post-restore of " + packageName 1707 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1708 } 1709 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1710 } 1711 1712 // Send broadcast package appeared if forward locked/external for all users 1713 // treat asec-hosted packages like removable media on upgrade 1714 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1715 if (DEBUG_INSTALL) { 1716 Slog.i(TAG, "upgrading pkg " + res.pkg 1717 + " is ASEC-hosted -> AVAILABLE"); 1718 } 1719 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1720 ArrayList<String> pkgList = new ArrayList<>(1); 1721 pkgList.add(packageName); 1722 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1723 } 1724 } 1725 1726 // Work that needs to happen on first install within each user 1727 if (firstUsers != null && firstUsers.length > 0) { 1728 synchronized (mPackages) { 1729 for (int userId : firstUsers) { 1730 // If this app is a browser and it's newly-installed for some 1731 // users, clear any default-browser state in those users. The 1732 // app's nature doesn't depend on the user, so we can just check 1733 // its browser nature in any user and generalize. 1734 if (packageIsBrowser(packageName, userId)) { 1735 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1736 } 1737 1738 // We may also need to apply pending (restored) runtime 1739 // permission grants within these users. 1740 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1741 } 1742 } 1743 } 1744 1745 // Log current value of "unknown sources" setting 1746 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1747 getUnknownSourcesSettings()); 1748 1749 // Force a gc to clear up things 1750 Runtime.getRuntime().gc(); 1751 1752 // Remove the replaced package's older resources safely now 1753 // We delete after a gc for applications on sdcard. 1754 if (res.removedInfo != null && res.removedInfo.args != null) { 1755 synchronized (mInstallLock) { 1756 res.removedInfo.args.doPostDeleteLI(true); 1757 } 1758 } 1759 } 1760 1761 // If someone is watching installs - notify them 1762 if (installObserver != null) { 1763 try { 1764 Bundle extras = extrasForInstallResult(res); 1765 installObserver.onPackageInstalled(res.name, res.returnCode, 1766 res.returnMsg, extras); 1767 } catch (RemoteException e) { 1768 Slog.i(TAG, "Observer no longer exists."); 1769 } 1770 } 1771 } 1772 1773 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1774 PackageParser.Package pkg) { 1775 if (pkg.parentPackage == null) { 1776 return; 1777 } 1778 if (pkg.requestedPermissions == null) { 1779 return; 1780 } 1781 final PackageSetting disabledSysParentPs = mSettings 1782 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1783 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1784 || !disabledSysParentPs.isPrivileged() 1785 || (disabledSysParentPs.childPackageNames != null 1786 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1787 return; 1788 } 1789 final int[] allUserIds = sUserManager.getUserIds(); 1790 final int permCount = pkg.requestedPermissions.size(); 1791 for (int i = 0; i < permCount; i++) { 1792 String permission = pkg.requestedPermissions.get(i); 1793 BasePermission bp = mSettings.mPermissions.get(permission); 1794 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1795 continue; 1796 } 1797 for (int userId : allUserIds) { 1798 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1799 permission, userId)) { 1800 grantRuntimePermission(pkg.packageName, permission, userId); 1801 } 1802 } 1803 } 1804 } 1805 1806 private StorageEventListener mStorageListener = new StorageEventListener() { 1807 @Override 1808 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1809 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1810 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1811 final String volumeUuid = vol.getFsUuid(); 1812 1813 // Clean up any users or apps that were removed or recreated 1814 // while this volume was missing 1815 reconcileUsers(volumeUuid); 1816 reconcileApps(volumeUuid); 1817 1818 // Clean up any install sessions that expired or were 1819 // cancelled while this volume was missing 1820 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1821 1822 loadPrivatePackages(vol); 1823 1824 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1825 unloadPrivatePackages(vol); 1826 } 1827 } 1828 1829 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1830 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1831 updateExternalMediaStatus(true, false); 1832 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1833 updateExternalMediaStatus(false, false); 1834 } 1835 } 1836 } 1837 1838 @Override 1839 public void onVolumeForgotten(String fsUuid) { 1840 if (TextUtils.isEmpty(fsUuid)) { 1841 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1842 return; 1843 } 1844 1845 // Remove any apps installed on the forgotten volume 1846 synchronized (mPackages) { 1847 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1848 for (PackageSetting ps : packages) { 1849 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1850 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1851 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1852 } 1853 1854 mSettings.onVolumeForgotten(fsUuid); 1855 mSettings.writeLPr(); 1856 } 1857 } 1858 }; 1859 1860 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1861 String[] grantedPermissions) { 1862 for (int userId : userIds) { 1863 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1864 } 1865 1866 // We could have touched GID membership, so flush out packages.list 1867 synchronized (mPackages) { 1868 mSettings.writePackageListLPr(); 1869 } 1870 } 1871 1872 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1873 String[] grantedPermissions) { 1874 SettingBase sb = (SettingBase) pkg.mExtras; 1875 if (sb == null) { 1876 return; 1877 } 1878 1879 PermissionsState permissionsState = sb.getPermissionsState(); 1880 1881 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1882 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1883 1884 for (String permission : pkg.requestedPermissions) { 1885 final BasePermission bp; 1886 synchronized (mPackages) { 1887 bp = mSettings.mPermissions.get(permission); 1888 } 1889 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1890 && (grantedPermissions == null 1891 || ArrayUtils.contains(grantedPermissions, permission))) { 1892 final int flags = permissionsState.getPermissionFlags(permission, userId); 1893 // Installer cannot change immutable permissions. 1894 if ((flags & immutableFlags) == 0) { 1895 grantRuntimePermission(pkg.packageName, permission, userId); 1896 } 1897 } 1898 } 1899 } 1900 1901 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1902 Bundle extras = null; 1903 switch (res.returnCode) { 1904 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1905 extras = new Bundle(); 1906 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1907 res.origPermission); 1908 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1909 res.origPackage); 1910 break; 1911 } 1912 case PackageManager.INSTALL_SUCCEEDED: { 1913 extras = new Bundle(); 1914 extras.putBoolean(Intent.EXTRA_REPLACING, 1915 res.removedInfo != null && res.removedInfo.removedPackage != null); 1916 break; 1917 } 1918 } 1919 return extras; 1920 } 1921 1922 void scheduleWriteSettingsLocked() { 1923 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1924 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1925 } 1926 } 1927 1928 void scheduleWritePackageListLocked(int userId) { 1929 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1930 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1931 msg.arg1 = userId; 1932 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1933 } 1934 } 1935 1936 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1937 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1938 scheduleWritePackageRestrictionsLocked(userId); 1939 } 1940 1941 void scheduleWritePackageRestrictionsLocked(int userId) { 1942 final int[] userIds = (userId == UserHandle.USER_ALL) 1943 ? sUserManager.getUserIds() : new int[]{userId}; 1944 for (int nextUserId : userIds) { 1945 if (!sUserManager.exists(nextUserId)) return; 1946 mDirtyUsers.add(nextUserId); 1947 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1948 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1949 } 1950 } 1951 } 1952 1953 public static PackageManagerService main(Context context, Installer installer, 1954 boolean factoryTest, boolean onlyCore) { 1955 // Self-check for initial settings. 1956 PackageManagerServiceCompilerMapping.checkProperties(); 1957 1958 PackageManagerService m = new PackageManagerService(context, installer, 1959 factoryTest, onlyCore); 1960 m.enableSystemUserPackages(); 1961 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 1962 // disabled after already being started. 1963 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 1964 UserHandle.USER_SYSTEM); 1965 ServiceManager.addService("package", m); 1966 return m; 1967 } 1968 1969 private void enableSystemUserPackages() { 1970 if (!UserManager.isSplitSystemUser()) { 1971 return; 1972 } 1973 // For system user, enable apps based on the following conditions: 1974 // - app is whitelisted or belong to one of these groups: 1975 // -- system app which has no launcher icons 1976 // -- system app which has INTERACT_ACROSS_USERS permission 1977 // -- system IME app 1978 // - app is not in the blacklist 1979 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1980 Set<String> enableApps = new ArraySet<>(); 1981 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1982 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1983 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1984 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1985 enableApps.addAll(wlApps); 1986 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1987 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1988 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1989 enableApps.removeAll(blApps); 1990 Log.i(TAG, "Applications installed for system user: " + enableApps); 1991 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1992 UserHandle.SYSTEM); 1993 final int allAppsSize = allAps.size(); 1994 synchronized (mPackages) { 1995 for (int i = 0; i < allAppsSize; i++) { 1996 String pName = allAps.get(i); 1997 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1998 // Should not happen, but we shouldn't be failing if it does 1999 if (pkgSetting == null) { 2000 continue; 2001 } 2002 boolean install = enableApps.contains(pName); 2003 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2004 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2005 + " for system user"); 2006 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2007 } 2008 } 2009 } 2010 } 2011 2012 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2013 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2014 Context.DISPLAY_SERVICE); 2015 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2016 } 2017 2018 /** 2019 * Requests that files preopted on a secondary system partition be copied to the data partition 2020 * if possible. Note that the actual copying of the files is accomplished by init for security 2021 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2022 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2023 */ 2024 private static void requestCopyPreoptedFiles() { 2025 final int WAIT_TIME_MS = 100; 2026 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2027 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2028 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2029 // We will wait for up to 100 seconds. 2030 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2031 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2032 try { 2033 Thread.sleep(WAIT_TIME_MS); 2034 } catch (InterruptedException e) { 2035 // Do nothing 2036 } 2037 if (SystemClock.uptimeMillis() > timeEnd) { 2038 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2039 Slog.wtf(TAG, "cppreopt did not finish!"); 2040 break; 2041 } 2042 } 2043 } 2044 } 2045 2046 public PackageManagerService(Context context, Installer installer, 2047 boolean factoryTest, boolean onlyCore) { 2048 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2049 SystemClock.uptimeMillis()); 2050 2051 if (mSdkVersion <= 0) { 2052 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2053 } 2054 2055 mContext = context; 2056 mFactoryTest = factoryTest; 2057 mOnlyCore = onlyCore; 2058 mMetrics = new DisplayMetrics(); 2059 mSettings = new Settings(mPackages); 2060 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2061 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2062 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2063 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2064 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2065 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2066 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2067 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2068 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2069 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2070 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2071 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2072 2073 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2074 if (separateProcesses != null && separateProcesses.length() > 0) { 2075 if ("*".equals(separateProcesses)) { 2076 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2077 mSeparateProcesses = null; 2078 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2079 } else { 2080 mDefParseFlags = 0; 2081 mSeparateProcesses = separateProcesses.split(","); 2082 Slog.w(TAG, "Running with debug.separate_processes: " 2083 + separateProcesses); 2084 } 2085 } else { 2086 mDefParseFlags = 0; 2087 mSeparateProcesses = null; 2088 } 2089 2090 mInstaller = installer; 2091 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2092 "*dexopt*"); 2093 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2094 2095 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2096 FgThread.get().getLooper()); 2097 2098 getDefaultDisplayMetrics(context, mMetrics); 2099 2100 SystemConfig systemConfig = SystemConfig.getInstance(); 2101 mGlobalGids = systemConfig.getGlobalGids(); 2102 mSystemPermissions = systemConfig.getSystemPermissions(); 2103 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2104 2105 synchronized (mInstallLock) { 2106 // writer 2107 synchronized (mPackages) { 2108 mHandlerThread = new ServiceThread(TAG, 2109 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2110 mHandlerThread.start(); 2111 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2112 mProcessLoggingHandler = new ProcessLoggingHandler(); 2113 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2114 2115 File dataDir = Environment.getDataDirectory(); 2116 mAppInstallDir = new File(dataDir, "app"); 2117 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2118 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2119 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2120 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2121 2122 sUserManager = new UserManagerService(context, this, mPackages); 2123 2124 // Propagate permission configuration in to package manager. 2125 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2126 = systemConfig.getPermissions(); 2127 for (int i=0; i<permConfig.size(); i++) { 2128 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2129 BasePermission bp = mSettings.mPermissions.get(perm.name); 2130 if (bp == null) { 2131 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2132 mSettings.mPermissions.put(perm.name, bp); 2133 } 2134 if (perm.gids != null) { 2135 bp.setGids(perm.gids, perm.perUser); 2136 } 2137 } 2138 2139 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2140 for (int i=0; i<libConfig.size(); i++) { 2141 mSharedLibraries.put(libConfig.keyAt(i), 2142 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2143 } 2144 2145 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2146 2147 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2148 2149 if (mFirstBoot) { 2150 requestCopyPreoptedFiles(); 2151 } 2152 2153 String customResolverActivity = Resources.getSystem().getString( 2154 R.string.config_customResolverActivity); 2155 if (TextUtils.isEmpty(customResolverActivity)) { 2156 customResolverActivity = null; 2157 } else { 2158 mCustomResolverComponentName = ComponentName.unflattenFromString( 2159 customResolverActivity); 2160 } 2161 2162 long startTime = SystemClock.uptimeMillis(); 2163 2164 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2165 startTime); 2166 2167 // Set flag to monitor and not change apk file paths when 2168 // scanning install directories. 2169 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2170 2171 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2172 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2173 2174 if (bootClassPath == null) { 2175 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2176 } 2177 2178 if (systemServerClassPath == null) { 2179 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2180 } 2181 2182 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2183 final String[] dexCodeInstructionSets = 2184 getDexCodeInstructionSets( 2185 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2186 2187 /** 2188 * Ensure all external libraries have had dexopt run on them. 2189 */ 2190 if (mSharedLibraries.size() > 0) { 2191 // NOTE: For now, we're compiling these system "shared libraries" 2192 // (and framework jars) into all available architectures. It's possible 2193 // to compile them only when we come across an app that uses them (there's 2194 // already logic for that in scanPackageLI) but that adds some complexity. 2195 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2196 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2197 final String lib = libEntry.path; 2198 if (lib == null) { 2199 continue; 2200 } 2201 2202 try { 2203 // Shared libraries do not have profiles so we perform a full 2204 // AOT compilation (if needed). 2205 int dexoptNeeded = DexFile.getDexOptNeeded( 2206 lib, dexCodeInstructionSet, 2207 getCompilerFilterForReason(REASON_SHARED_APK), 2208 false /* newProfile */); 2209 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2210 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2211 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2212 getCompilerFilterForReason(REASON_SHARED_APK), 2213 StorageManager.UUID_PRIVATE_INTERNAL, 2214 SKIP_SHARED_LIBRARY_CHECK); 2215 } 2216 } catch (FileNotFoundException e) { 2217 Slog.w(TAG, "Library not found: " + lib); 2218 } catch (IOException | InstallerException e) { 2219 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2220 + e.getMessage()); 2221 } 2222 } 2223 } 2224 } 2225 2226 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2227 2228 final VersionInfo ver = mSettings.getInternalVersion(); 2229 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2230 2231 // when upgrading from pre-M, promote system app permissions from install to runtime 2232 mPromoteSystemApps = 2233 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2234 2235 // When upgrading from pre-N, we need to handle package extraction like first boot, 2236 // as there is no profiling data available. 2237 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2238 2239 // save off the names of pre-existing system packages prior to scanning; we don't 2240 // want to automatically grant runtime permissions for new system apps 2241 if (mPromoteSystemApps) { 2242 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2243 while (pkgSettingIter.hasNext()) { 2244 PackageSetting ps = pkgSettingIter.next(); 2245 if (isSystemApp(ps)) { 2246 mExistingSystemPackages.add(ps.name); 2247 } 2248 } 2249 } 2250 2251 // Collect vendor overlay packages. 2252 // (Do this before scanning any apps.) 2253 // For security and version matching reason, only consider 2254 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2255 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2256 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2257 | PackageParser.PARSE_IS_SYSTEM 2258 | PackageParser.PARSE_IS_SYSTEM_DIR 2259 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2260 2261 // Find base frameworks (resource packages without code). 2262 scanDirTracedLI(frameworkDir, mDefParseFlags 2263 | PackageParser.PARSE_IS_SYSTEM 2264 | PackageParser.PARSE_IS_SYSTEM_DIR 2265 | PackageParser.PARSE_IS_PRIVILEGED, 2266 scanFlags | SCAN_NO_DEX, 0); 2267 2268 // Collected privileged system packages. 2269 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2270 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2271 | PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR 2273 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2274 2275 // Collect ordinary system packages. 2276 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2277 scanDirTracedLI(systemAppDir, mDefParseFlags 2278 | PackageParser.PARSE_IS_SYSTEM 2279 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2280 2281 // Collect all vendor packages. 2282 File vendorAppDir = new File("/vendor/app"); 2283 try { 2284 vendorAppDir = vendorAppDir.getCanonicalFile(); 2285 } catch (IOException e) { 2286 // failed to look up canonical path, continue with original one 2287 } 2288 scanDirTracedLI(vendorAppDir, mDefParseFlags 2289 | PackageParser.PARSE_IS_SYSTEM 2290 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2291 2292 // Collect all OEM packages. 2293 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2294 scanDirTracedLI(oemAppDir, mDefParseFlags 2295 | PackageParser.PARSE_IS_SYSTEM 2296 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2297 2298 // Prune any system packages that no longer exist. 2299 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2300 if (!mOnlyCore) { 2301 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2302 while (psit.hasNext()) { 2303 PackageSetting ps = psit.next(); 2304 2305 /* 2306 * If this is not a system app, it can't be a 2307 * disable system app. 2308 */ 2309 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2310 continue; 2311 } 2312 2313 /* 2314 * If the package is scanned, it's not erased. 2315 */ 2316 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2317 if (scannedPkg != null) { 2318 /* 2319 * If the system app is both scanned and in the 2320 * disabled packages list, then it must have been 2321 * added via OTA. Remove it from the currently 2322 * scanned package so the previously user-installed 2323 * application can be scanned. 2324 */ 2325 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2326 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2327 + ps.name + "; removing system app. Last known codePath=" 2328 + ps.codePathString + ", installStatus=" + ps.installStatus 2329 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2330 + scannedPkg.mVersionCode); 2331 removePackageLI(scannedPkg, true); 2332 mExpectingBetter.put(ps.name, ps.codePath); 2333 } 2334 2335 continue; 2336 } 2337 2338 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2339 psit.remove(); 2340 logCriticalInfo(Log.WARN, "System package " + ps.name 2341 + " no longer exists; it's data will be wiped"); 2342 // Actual deletion of code and data will be handled by later 2343 // reconciliation step 2344 } else { 2345 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2346 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2347 possiblyDeletedUpdatedSystemApps.add(ps.name); 2348 } 2349 } 2350 } 2351 } 2352 2353 //look for any incomplete package installations 2354 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2355 for (int i = 0; i < deletePkgsList.size(); i++) { 2356 // Actual deletion of code and data will be handled by later 2357 // reconciliation step 2358 final String packageName = deletePkgsList.get(i).name; 2359 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2360 synchronized (mPackages) { 2361 mSettings.removePackageLPw(packageName); 2362 } 2363 } 2364 2365 //delete tmp files 2366 deleteTempPackageFiles(); 2367 2368 // Remove any shared userIDs that have no associated packages 2369 mSettings.pruneSharedUsersLPw(); 2370 2371 if (!mOnlyCore) { 2372 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2373 SystemClock.uptimeMillis()); 2374 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2375 2376 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2377 | PackageParser.PARSE_FORWARD_LOCK, 2378 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2379 2380 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2381 | PackageParser.PARSE_IS_EPHEMERAL, 2382 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2383 2384 /** 2385 * Remove disable package settings for any updated system 2386 * apps that were removed via an OTA. If they're not a 2387 * previously-updated app, remove them completely. 2388 * Otherwise, just revoke their system-level permissions. 2389 */ 2390 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2391 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2392 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2393 2394 String msg; 2395 if (deletedPkg == null) { 2396 msg = "Updated system package " + deletedAppName 2397 + " no longer exists; it's data will be wiped"; 2398 // Actual deletion of code and data will be handled by later 2399 // reconciliation step 2400 } else { 2401 msg = "Updated system app + " + deletedAppName 2402 + " no longer present; removing system privileges for " 2403 + deletedAppName; 2404 2405 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2406 2407 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2408 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2409 } 2410 logCriticalInfo(Log.WARN, msg); 2411 } 2412 2413 /** 2414 * Make sure all system apps that we expected to appear on 2415 * the userdata partition actually showed up. If they never 2416 * appeared, crawl back and revive the system version. 2417 */ 2418 for (int i = 0; i < mExpectingBetter.size(); i++) { 2419 final String packageName = mExpectingBetter.keyAt(i); 2420 if (!mPackages.containsKey(packageName)) { 2421 final File scanFile = mExpectingBetter.valueAt(i); 2422 2423 logCriticalInfo(Log.WARN, "Expected better " + packageName 2424 + " but never showed up; reverting to system"); 2425 2426 int reparseFlags = mDefParseFlags; 2427 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2428 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2429 | PackageParser.PARSE_IS_SYSTEM_DIR 2430 | PackageParser.PARSE_IS_PRIVILEGED; 2431 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2432 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2433 | PackageParser.PARSE_IS_SYSTEM_DIR; 2434 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2435 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2436 | PackageParser.PARSE_IS_SYSTEM_DIR; 2437 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2438 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2439 | PackageParser.PARSE_IS_SYSTEM_DIR; 2440 } else { 2441 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2442 continue; 2443 } 2444 2445 mSettings.enableSystemPackageLPw(packageName); 2446 2447 try { 2448 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2449 } catch (PackageManagerException e) { 2450 Slog.e(TAG, "Failed to parse original system package: " 2451 + e.getMessage()); 2452 } 2453 } 2454 } 2455 } 2456 mExpectingBetter.clear(); 2457 2458 // Resolve protected action filters. Only the setup wizard is allowed to 2459 // have a high priority filter for these actions. 2460 mSetupWizardPackage = getSetupWizardPackageName(); 2461 if (mProtectedFilters.size() > 0) { 2462 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2463 Slog.i(TAG, "No setup wizard;" 2464 + " All protected intents capped to priority 0"); 2465 } 2466 for (ActivityIntentInfo filter : mProtectedFilters) { 2467 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2468 if (DEBUG_FILTERS) { 2469 Slog.i(TAG, "Found setup wizard;" 2470 + " allow priority " + filter.getPriority() + ";" 2471 + " package: " + filter.activity.info.packageName 2472 + " activity: " + filter.activity.className 2473 + " priority: " + filter.getPriority()); 2474 } 2475 // skip setup wizard; allow it to keep the high priority filter 2476 continue; 2477 } 2478 Slog.w(TAG, "Protected action; cap priority to 0;" 2479 + " package: " + filter.activity.info.packageName 2480 + " activity: " + filter.activity.className 2481 + " origPrio: " + filter.getPriority()); 2482 filter.setPriority(0); 2483 } 2484 } 2485 mDeferProtectedFilters = false; 2486 mProtectedFilters.clear(); 2487 2488 // Now that we know all of the shared libraries, update all clients to have 2489 // the correct library paths. 2490 updateAllSharedLibrariesLPw(); 2491 2492 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2493 // NOTE: We ignore potential failures here during a system scan (like 2494 // the rest of the commands above) because there's precious little we 2495 // can do about it. A settings error is reported, though. 2496 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2497 false /* boot complete */); 2498 } 2499 2500 // Now that we know all the packages we are keeping, 2501 // read and update their last usage times. 2502 mPackageUsage.read(mPackages); 2503 mCompilerStats.read(); 2504 2505 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2506 SystemClock.uptimeMillis()); 2507 Slog.i(TAG, "Time to scan packages: " 2508 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2509 + " seconds"); 2510 2511 // If the platform SDK has changed since the last time we booted, 2512 // we need to re-grant app permission to catch any new ones that 2513 // appear. This is really a hack, and means that apps can in some 2514 // cases get permissions that the user didn't initially explicitly 2515 // allow... it would be nice to have some better way to handle 2516 // this situation. 2517 int updateFlags = UPDATE_PERMISSIONS_ALL; 2518 if (ver.sdkVersion != mSdkVersion) { 2519 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2520 + mSdkVersion + "; regranting permissions for internal storage"); 2521 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2522 } 2523 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2524 ver.sdkVersion = mSdkVersion; 2525 2526 // If this is the first boot or an update from pre-M, and it is a normal 2527 // boot, then we need to initialize the default preferred apps across 2528 // all defined users. 2529 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2530 for (UserInfo user : sUserManager.getUsers(true)) { 2531 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2532 applyFactoryDefaultBrowserLPw(user.id); 2533 primeDomainVerificationsLPw(user.id); 2534 } 2535 } 2536 2537 // Prepare storage for system user really early during boot, 2538 // since core system apps like SettingsProvider and SystemUI 2539 // can't wait for user to start 2540 final int storageFlags; 2541 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2542 storageFlags = StorageManager.FLAG_STORAGE_DE; 2543 } else { 2544 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2545 } 2546 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2547 storageFlags); 2548 2549 // If this is first boot after an OTA, and a normal boot, then 2550 // we need to clear code cache directories. 2551 // Note that we do *not* clear the application profiles. These remain valid 2552 // across OTAs and are used to drive profile verification (post OTA) and 2553 // profile compilation (without waiting to collect a fresh set of profiles). 2554 if (mIsUpgrade && !onlyCore) { 2555 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2556 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2557 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2558 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2559 // No apps are running this early, so no need to freeze 2560 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2561 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2562 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2563 } 2564 } 2565 ver.fingerprint = Build.FINGERPRINT; 2566 } 2567 2568 checkDefaultBrowser(); 2569 2570 // clear only after permissions and other defaults have been updated 2571 mExistingSystemPackages.clear(); 2572 mPromoteSystemApps = false; 2573 2574 // All the changes are done during package scanning. 2575 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2576 2577 // can downgrade to reader 2578 mSettings.writeLPr(); 2579 2580 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2581 // early on (before the package manager declares itself as early) because other 2582 // components in the system server might ask for package contexts for these apps. 2583 // 2584 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2585 // (i.e, that the data partition is unavailable). 2586 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2587 long start = System.nanoTime(); 2588 List<PackageParser.Package> coreApps = new ArrayList<>(); 2589 for (PackageParser.Package pkg : mPackages.values()) { 2590 if (pkg.coreApp) { 2591 coreApps.add(pkg); 2592 } 2593 } 2594 2595 int[] stats = performDexOptUpgrade(coreApps, false, 2596 getCompilerFilterForReason(REASON_CORE_APP)); 2597 2598 final int elapsedTimeSeconds = 2599 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2600 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2601 2602 if (DEBUG_DEXOPT) { 2603 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2604 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2605 } 2606 2607 2608 // TODO: Should we log these stats to tron too ? 2609 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2610 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2611 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2612 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2613 } 2614 2615 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2616 SystemClock.uptimeMillis()); 2617 2618 if (!mOnlyCore) { 2619 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2620 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2621 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2622 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2623 mIntentFilterVerifierComponent); 2624 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2625 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2626 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2627 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2628 } else { 2629 mRequiredVerifierPackage = null; 2630 mRequiredInstallerPackage = null; 2631 mIntentFilterVerifierComponent = null; 2632 mIntentFilterVerifier = null; 2633 mServicesSystemSharedLibraryPackageName = null; 2634 mSharedSystemSharedLibraryPackageName = null; 2635 } 2636 2637 mInstallerService = new PackageInstallerService(context, this); 2638 2639 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2640 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2641 // both the installer and resolver must be present to enable ephemeral 2642 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2643 if (DEBUG_EPHEMERAL) { 2644 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2645 + " installer:" + ephemeralInstallerComponent); 2646 } 2647 mEphemeralResolverComponent = ephemeralResolverComponent; 2648 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2649 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2650 mEphemeralResolverConnection = 2651 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2652 } else { 2653 if (DEBUG_EPHEMERAL) { 2654 final String missingComponent = 2655 (ephemeralResolverComponent == null) 2656 ? (ephemeralInstallerComponent == null) 2657 ? "resolver and installer" 2658 : "resolver" 2659 : "installer"; 2660 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2661 } 2662 mEphemeralResolverComponent = null; 2663 mEphemeralInstallerComponent = null; 2664 mEphemeralResolverConnection = null; 2665 } 2666 2667 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2668 } // synchronized (mPackages) 2669 } // synchronized (mInstallLock) 2670 2671 // Now after opening every single application zip, make sure they 2672 // are all flushed. Not really needed, but keeps things nice and 2673 // tidy. 2674 Runtime.getRuntime().gc(); 2675 2676 // The initial scanning above does many calls into installd while 2677 // holding the mPackages lock, but we're mostly interested in yelling 2678 // once we have a booted system. 2679 mInstaller.setWarnIfHeld(mPackages); 2680 2681 // Expose private service for system components to use. 2682 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2683 } 2684 2685 @Override 2686 public boolean isFirstBoot() { 2687 return mFirstBoot; 2688 } 2689 2690 @Override 2691 public boolean isOnlyCoreApps() { 2692 return mOnlyCore; 2693 } 2694 2695 @Override 2696 public boolean isUpgrade() { 2697 return mIsUpgrade; 2698 } 2699 2700 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2701 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2702 2703 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2704 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2705 UserHandle.USER_SYSTEM); 2706 if (matches.size() == 1) { 2707 return matches.get(0).getComponentInfo().packageName; 2708 } else { 2709 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2710 return null; 2711 } 2712 } 2713 2714 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2715 synchronized (mPackages) { 2716 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2717 if (libraryEntry == null) { 2718 throw new IllegalStateException("Missing required shared library:" + libraryName); 2719 } 2720 return libraryEntry.apk; 2721 } 2722 } 2723 2724 private @NonNull String getRequiredInstallerLPr() { 2725 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2726 intent.addCategory(Intent.CATEGORY_DEFAULT); 2727 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2728 2729 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2730 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2731 UserHandle.USER_SYSTEM); 2732 if (matches.size() == 1) { 2733 ResolveInfo resolveInfo = matches.get(0); 2734 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2735 throw new RuntimeException("The installer must be a privileged app"); 2736 } 2737 return matches.get(0).getComponentInfo().packageName; 2738 } else { 2739 throw new RuntimeException("There must be exactly one installer; found " + matches); 2740 } 2741 } 2742 2743 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2744 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2745 2746 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2747 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2748 UserHandle.USER_SYSTEM); 2749 ResolveInfo best = null; 2750 final int N = matches.size(); 2751 for (int i = 0; i < N; i++) { 2752 final ResolveInfo cur = matches.get(i); 2753 final String packageName = cur.getComponentInfo().packageName; 2754 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2755 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2756 continue; 2757 } 2758 2759 if (best == null || cur.priority > best.priority) { 2760 best = cur; 2761 } 2762 } 2763 2764 if (best != null) { 2765 return best.getComponentInfo().getComponentName(); 2766 } else { 2767 throw new RuntimeException("There must be at least one intent filter verifier"); 2768 } 2769 } 2770 2771 private @Nullable ComponentName getEphemeralResolverLPr() { 2772 final String[] packageArray = 2773 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2774 if (packageArray.length == 0) { 2775 if (DEBUG_EPHEMERAL) { 2776 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2777 } 2778 return null; 2779 } 2780 2781 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2782 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2783 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2784 UserHandle.USER_SYSTEM); 2785 2786 final int N = resolvers.size(); 2787 if (N == 0) { 2788 if (DEBUG_EPHEMERAL) { 2789 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2790 } 2791 return null; 2792 } 2793 2794 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2795 for (int i = 0; i < N; i++) { 2796 final ResolveInfo info = resolvers.get(i); 2797 2798 if (info.serviceInfo == null) { 2799 continue; 2800 } 2801 2802 final String packageName = info.serviceInfo.packageName; 2803 if (!possiblePackages.contains(packageName)) { 2804 if (DEBUG_EPHEMERAL) { 2805 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2806 + " pkg: " + packageName + ", info:" + info); 2807 } 2808 continue; 2809 } 2810 2811 if (DEBUG_EPHEMERAL) { 2812 Slog.v(TAG, "Ephemeral resolver found;" 2813 + " pkg: " + packageName + ", info:" + info); 2814 } 2815 return new ComponentName(packageName, info.serviceInfo.name); 2816 } 2817 if (DEBUG_EPHEMERAL) { 2818 Slog.v(TAG, "Ephemeral resolver NOT found"); 2819 } 2820 return null; 2821 } 2822 2823 private @Nullable ComponentName getEphemeralInstallerLPr() { 2824 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2825 intent.addCategory(Intent.CATEGORY_DEFAULT); 2826 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2827 2828 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2829 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2830 UserHandle.USER_SYSTEM); 2831 if (matches.size() == 0) { 2832 return null; 2833 } else if (matches.size() == 1) { 2834 return matches.get(0).getComponentInfo().getComponentName(); 2835 } else { 2836 throw new RuntimeException( 2837 "There must be at most one ephemeral installer; found " + matches); 2838 } 2839 } 2840 2841 private void primeDomainVerificationsLPw(int userId) { 2842 if (DEBUG_DOMAIN_VERIFICATION) { 2843 Slog.d(TAG, "Priming domain verifications in user " + userId); 2844 } 2845 2846 SystemConfig systemConfig = SystemConfig.getInstance(); 2847 ArraySet<String> packages = systemConfig.getLinkedApps(); 2848 ArraySet<String> domains = new ArraySet<String>(); 2849 2850 for (String packageName : packages) { 2851 PackageParser.Package pkg = mPackages.get(packageName); 2852 if (pkg != null) { 2853 if (!pkg.isSystemApp()) { 2854 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2855 continue; 2856 } 2857 2858 domains.clear(); 2859 for (PackageParser.Activity a : pkg.activities) { 2860 for (ActivityIntentInfo filter : a.intents) { 2861 if (hasValidDomains(filter)) { 2862 domains.addAll(filter.getHostsList()); 2863 } 2864 } 2865 } 2866 2867 if (domains.size() > 0) { 2868 if (DEBUG_DOMAIN_VERIFICATION) { 2869 Slog.v(TAG, " + " + packageName); 2870 } 2871 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2872 // state w.r.t. the formal app-linkage "no verification attempted" state; 2873 // and then 'always' in the per-user state actually used for intent resolution. 2874 final IntentFilterVerificationInfo ivi; 2875 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2876 new ArrayList<String>(domains)); 2877 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2878 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2879 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2880 } else { 2881 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2882 + "' does not handle web links"); 2883 } 2884 } else { 2885 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2886 } 2887 } 2888 2889 scheduleWritePackageRestrictionsLocked(userId); 2890 scheduleWriteSettingsLocked(); 2891 } 2892 2893 private void applyFactoryDefaultBrowserLPw(int userId) { 2894 // The default browser app's package name is stored in a string resource, 2895 // with a product-specific overlay used for vendor customization. 2896 String browserPkg = mContext.getResources().getString( 2897 com.android.internal.R.string.default_browser); 2898 if (!TextUtils.isEmpty(browserPkg)) { 2899 // non-empty string => required to be a known package 2900 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2901 if (ps == null) { 2902 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2903 browserPkg = null; 2904 } else { 2905 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2906 } 2907 } 2908 2909 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2910 // default. If there's more than one, just leave everything alone. 2911 if (browserPkg == null) { 2912 calculateDefaultBrowserLPw(userId); 2913 } 2914 } 2915 2916 private void calculateDefaultBrowserLPw(int userId) { 2917 List<String> allBrowsers = resolveAllBrowserApps(userId); 2918 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2919 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2920 } 2921 2922 private List<String> resolveAllBrowserApps(int userId) { 2923 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2924 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2925 PackageManager.MATCH_ALL, userId); 2926 2927 final int count = list.size(); 2928 List<String> result = new ArrayList<String>(count); 2929 for (int i=0; i<count; i++) { 2930 ResolveInfo info = list.get(i); 2931 if (info.activityInfo == null 2932 || !info.handleAllWebDataURI 2933 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2934 || result.contains(info.activityInfo.packageName)) { 2935 continue; 2936 } 2937 result.add(info.activityInfo.packageName); 2938 } 2939 2940 return result; 2941 } 2942 2943 private boolean packageIsBrowser(String packageName, int userId) { 2944 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2945 PackageManager.MATCH_ALL, userId); 2946 final int N = list.size(); 2947 for (int i = 0; i < N; i++) { 2948 ResolveInfo info = list.get(i); 2949 if (packageName.equals(info.activityInfo.packageName)) { 2950 return true; 2951 } 2952 } 2953 return false; 2954 } 2955 2956 private void checkDefaultBrowser() { 2957 final int myUserId = UserHandle.myUserId(); 2958 final String packageName = getDefaultBrowserPackageName(myUserId); 2959 if (packageName != null) { 2960 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2961 if (info == null) { 2962 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2963 synchronized (mPackages) { 2964 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2965 } 2966 } 2967 } 2968 } 2969 2970 @Override 2971 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2972 throws RemoteException { 2973 try { 2974 return super.onTransact(code, data, reply, flags); 2975 } catch (RuntimeException e) { 2976 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2977 Slog.wtf(TAG, "Package Manager Crash", e); 2978 } 2979 throw e; 2980 } 2981 } 2982 2983 static int[] appendInts(int[] cur, int[] add) { 2984 if (add == null) return cur; 2985 if (cur == null) return add; 2986 final int N = add.length; 2987 for (int i=0; i<N; i++) { 2988 cur = appendInt(cur, add[i]); 2989 } 2990 return cur; 2991 } 2992 2993 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 2994 if (!sUserManager.exists(userId)) return null; 2995 if (ps == null) { 2996 return null; 2997 } 2998 final PackageParser.Package p = ps.pkg; 2999 if (p == null) { 3000 return null; 3001 } 3002 3003 final PermissionsState permissionsState = ps.getPermissionsState(); 3004 3005 final int[] gids = permissionsState.computeGids(userId); 3006 final Set<String> permissions = permissionsState.getPermissions(userId); 3007 final PackageUserState state = ps.readUserState(userId); 3008 3009 return PackageParser.generatePackageInfo(p, gids, flags, 3010 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3011 } 3012 3013 @Override 3014 public void checkPackageStartable(String packageName, int userId) { 3015 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3016 3017 synchronized (mPackages) { 3018 final PackageSetting ps = mSettings.mPackages.get(packageName); 3019 if (ps == null) { 3020 throw new SecurityException("Package " + packageName + " was not found!"); 3021 } 3022 3023 if (!ps.getInstalled(userId)) { 3024 throw new SecurityException( 3025 "Package " + packageName + " was not installed for user " + userId + "!"); 3026 } 3027 3028 if (mSafeMode && !ps.isSystem()) { 3029 throw new SecurityException("Package " + packageName + " not a system app!"); 3030 } 3031 3032 if (mFrozenPackages.contains(packageName)) { 3033 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3034 } 3035 3036 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3037 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3038 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3039 } 3040 } 3041 } 3042 3043 @Override 3044 public boolean isPackageAvailable(String packageName, int userId) { 3045 if (!sUserManager.exists(userId)) return false; 3046 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3047 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3048 synchronized (mPackages) { 3049 PackageParser.Package p = mPackages.get(packageName); 3050 if (p != null) { 3051 final PackageSetting ps = (PackageSetting) p.mExtras; 3052 if (ps != null) { 3053 final PackageUserState state = ps.readUserState(userId); 3054 if (state != null) { 3055 return PackageParser.isAvailable(state); 3056 } 3057 } 3058 } 3059 } 3060 return false; 3061 } 3062 3063 @Override 3064 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3065 if (!sUserManager.exists(userId)) return null; 3066 flags = updateFlagsForPackage(flags, userId, packageName); 3067 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3068 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3069 // reader 3070 synchronized (mPackages) { 3071 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3072 PackageParser.Package p = null; 3073 if (matchFactoryOnly) { 3074 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3075 if (ps != null) { 3076 return generatePackageInfo(ps, flags, userId); 3077 } 3078 } 3079 if (p == null) { 3080 p = mPackages.get(packageName); 3081 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3082 return null; 3083 } 3084 } 3085 if (DEBUG_PACKAGE_INFO) 3086 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3087 if (p != null) { 3088 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3089 } 3090 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3091 final PackageSetting ps = mSettings.mPackages.get(packageName); 3092 return generatePackageInfo(ps, flags, userId); 3093 } 3094 } 3095 return null; 3096 } 3097 3098 @Override 3099 public String[] currentToCanonicalPackageNames(String[] names) { 3100 String[] out = new String[names.length]; 3101 // reader 3102 synchronized (mPackages) { 3103 for (int i=names.length-1; i>=0; i--) { 3104 PackageSetting ps = mSettings.mPackages.get(names[i]); 3105 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3106 } 3107 } 3108 return out; 3109 } 3110 3111 @Override 3112 public String[] canonicalToCurrentPackageNames(String[] names) { 3113 String[] out = new String[names.length]; 3114 // reader 3115 synchronized (mPackages) { 3116 for (int i=names.length-1; i>=0; i--) { 3117 String cur = mSettings.mRenamedPackages.get(names[i]); 3118 out[i] = cur != null ? cur : names[i]; 3119 } 3120 } 3121 return out; 3122 } 3123 3124 @Override 3125 public int getPackageUid(String packageName, int flags, int userId) { 3126 if (!sUserManager.exists(userId)) return -1; 3127 flags = updateFlagsForPackage(flags, userId, packageName); 3128 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3129 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3130 3131 // reader 3132 synchronized (mPackages) { 3133 final PackageParser.Package p = mPackages.get(packageName); 3134 if (p != null && p.isMatch(flags)) { 3135 return UserHandle.getUid(userId, p.applicationInfo.uid); 3136 } 3137 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3138 final PackageSetting ps = mSettings.mPackages.get(packageName); 3139 if (ps != null && ps.isMatch(flags)) { 3140 return UserHandle.getUid(userId, ps.appId); 3141 } 3142 } 3143 } 3144 3145 return -1; 3146 } 3147 3148 @Override 3149 public int[] getPackageGids(String packageName, int flags, int userId) { 3150 if (!sUserManager.exists(userId)) return null; 3151 flags = updateFlagsForPackage(flags, userId, packageName); 3152 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3153 false /* requireFullPermission */, false /* checkShell */, 3154 "getPackageGids"); 3155 3156 // reader 3157 synchronized (mPackages) { 3158 final PackageParser.Package p = mPackages.get(packageName); 3159 if (p != null && p.isMatch(flags)) { 3160 PackageSetting ps = (PackageSetting) p.mExtras; 3161 return ps.getPermissionsState().computeGids(userId); 3162 } 3163 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3164 final PackageSetting ps = mSettings.mPackages.get(packageName); 3165 if (ps != null && ps.isMatch(flags)) { 3166 return ps.getPermissionsState().computeGids(userId); 3167 } 3168 } 3169 } 3170 3171 return null; 3172 } 3173 3174 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3175 if (bp.perm != null) { 3176 return PackageParser.generatePermissionInfo(bp.perm, flags); 3177 } 3178 PermissionInfo pi = new PermissionInfo(); 3179 pi.name = bp.name; 3180 pi.packageName = bp.sourcePackage; 3181 pi.nonLocalizedLabel = bp.name; 3182 pi.protectionLevel = bp.protectionLevel; 3183 return pi; 3184 } 3185 3186 @Override 3187 public PermissionInfo getPermissionInfo(String name, int flags) { 3188 // reader 3189 synchronized (mPackages) { 3190 final BasePermission p = mSettings.mPermissions.get(name); 3191 if (p != null) { 3192 return generatePermissionInfo(p, flags); 3193 } 3194 return null; 3195 } 3196 } 3197 3198 @Override 3199 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3200 int flags) { 3201 // reader 3202 synchronized (mPackages) { 3203 if (group != null && !mPermissionGroups.containsKey(group)) { 3204 // This is thrown as NameNotFoundException 3205 return null; 3206 } 3207 3208 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3209 for (BasePermission p : mSettings.mPermissions.values()) { 3210 if (group == null) { 3211 if (p.perm == null || p.perm.info.group == null) { 3212 out.add(generatePermissionInfo(p, flags)); 3213 } 3214 } else { 3215 if (p.perm != null && group.equals(p.perm.info.group)) { 3216 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3217 } 3218 } 3219 } 3220 return new ParceledListSlice<>(out); 3221 } 3222 } 3223 3224 @Override 3225 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3226 // reader 3227 synchronized (mPackages) { 3228 return PackageParser.generatePermissionGroupInfo( 3229 mPermissionGroups.get(name), flags); 3230 } 3231 } 3232 3233 @Override 3234 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3235 // reader 3236 synchronized (mPackages) { 3237 final int N = mPermissionGroups.size(); 3238 ArrayList<PermissionGroupInfo> out 3239 = new ArrayList<PermissionGroupInfo>(N); 3240 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3241 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3242 } 3243 return new ParceledListSlice<>(out); 3244 } 3245 } 3246 3247 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3248 int userId) { 3249 if (!sUserManager.exists(userId)) return null; 3250 PackageSetting ps = mSettings.mPackages.get(packageName); 3251 if (ps != null) { 3252 if (ps.pkg == null) { 3253 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3254 if (pInfo != null) { 3255 return pInfo.applicationInfo; 3256 } 3257 return null; 3258 } 3259 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3260 ps.readUserState(userId), userId); 3261 } 3262 return null; 3263 } 3264 3265 @Override 3266 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3267 if (!sUserManager.exists(userId)) return null; 3268 flags = updateFlagsForApplication(flags, userId, packageName); 3269 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3270 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3271 // writer 3272 synchronized (mPackages) { 3273 PackageParser.Package p = mPackages.get(packageName); 3274 if (DEBUG_PACKAGE_INFO) Log.v( 3275 TAG, "getApplicationInfo " + packageName 3276 + ": " + p); 3277 if (p != null) { 3278 PackageSetting ps = mSettings.mPackages.get(packageName); 3279 if (ps == null) return null; 3280 // Note: isEnabledLP() does not apply here - always return info 3281 return PackageParser.generateApplicationInfo( 3282 p, flags, ps.readUserState(userId), userId); 3283 } 3284 if ("android".equals(packageName)||"system".equals(packageName)) { 3285 return mAndroidApplication; 3286 } 3287 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3288 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3289 } 3290 } 3291 return null; 3292 } 3293 3294 @Override 3295 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3296 final IPackageDataObserver observer) { 3297 mContext.enforceCallingOrSelfPermission( 3298 android.Manifest.permission.CLEAR_APP_CACHE, null); 3299 // Queue up an async operation since clearing cache may take a little while. 3300 mHandler.post(new Runnable() { 3301 public void run() { 3302 mHandler.removeCallbacks(this); 3303 boolean success = true; 3304 synchronized (mInstallLock) { 3305 try { 3306 mInstaller.freeCache(volumeUuid, freeStorageSize); 3307 } catch (InstallerException e) { 3308 Slog.w(TAG, "Couldn't clear application caches: " + e); 3309 success = false; 3310 } 3311 } 3312 if (observer != null) { 3313 try { 3314 observer.onRemoveCompleted(null, success); 3315 } catch (RemoteException e) { 3316 Slog.w(TAG, "RemoveException when invoking call back"); 3317 } 3318 } 3319 } 3320 }); 3321 } 3322 3323 @Override 3324 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3325 final IntentSender pi) { 3326 mContext.enforceCallingOrSelfPermission( 3327 android.Manifest.permission.CLEAR_APP_CACHE, null); 3328 // Queue up an async operation since clearing cache may take a little while. 3329 mHandler.post(new Runnable() { 3330 public void run() { 3331 mHandler.removeCallbacks(this); 3332 boolean success = true; 3333 synchronized (mInstallLock) { 3334 try { 3335 mInstaller.freeCache(volumeUuid, freeStorageSize); 3336 } catch (InstallerException e) { 3337 Slog.w(TAG, "Couldn't clear application caches: " + e); 3338 success = false; 3339 } 3340 } 3341 if(pi != null) { 3342 try { 3343 // Callback via pending intent 3344 int code = success ? 1 : 0; 3345 pi.sendIntent(null, code, null, 3346 null, null); 3347 } catch (SendIntentException e1) { 3348 Slog.i(TAG, "Failed to send pending intent"); 3349 } 3350 } 3351 } 3352 }); 3353 } 3354 3355 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3356 synchronized (mInstallLock) { 3357 try { 3358 mInstaller.freeCache(volumeUuid, freeStorageSize); 3359 } catch (InstallerException e) { 3360 throw new IOException("Failed to free enough space", e); 3361 } 3362 } 3363 } 3364 3365 /** 3366 * Update given flags based on encryption status of current user. 3367 */ 3368 private int updateFlags(int flags, int userId) { 3369 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3370 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3371 // Caller expressed an explicit opinion about what encryption 3372 // aware/unaware components they want to see, so fall through and 3373 // give them what they want 3374 } else { 3375 // Caller expressed no opinion, so match based on user state 3376 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3377 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3378 } else { 3379 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3380 } 3381 } 3382 return flags; 3383 } 3384 3385 private UserManagerInternal getUserManagerInternal() { 3386 if (mUserManagerInternal == null) { 3387 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3388 } 3389 return mUserManagerInternal; 3390 } 3391 3392 /** 3393 * Update given flags when being used to request {@link PackageInfo}. 3394 */ 3395 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3396 boolean triaged = true; 3397 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3398 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3399 // Caller is asking for component details, so they'd better be 3400 // asking for specific encryption matching behavior, or be triaged 3401 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3402 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3403 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3404 triaged = false; 3405 } 3406 } 3407 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3408 | PackageManager.MATCH_SYSTEM_ONLY 3409 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3410 triaged = false; 3411 } 3412 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3413 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3414 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3415 } 3416 return updateFlags(flags, userId); 3417 } 3418 3419 /** 3420 * Update given flags when being used to request {@link ApplicationInfo}. 3421 */ 3422 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3423 return updateFlagsForPackage(flags, userId, cookie); 3424 } 3425 3426 /** 3427 * Update given flags when being used to request {@link ComponentInfo}. 3428 */ 3429 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3430 if (cookie instanceof Intent) { 3431 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3432 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3433 } 3434 } 3435 3436 boolean triaged = true; 3437 // Caller is asking for component details, so they'd better be 3438 // asking for specific encryption matching behavior, or be triaged 3439 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3440 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3441 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3442 triaged = false; 3443 } 3444 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3445 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3446 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3447 } 3448 3449 return updateFlags(flags, userId); 3450 } 3451 3452 /** 3453 * Update given flags when being used to request {@link ResolveInfo}. 3454 */ 3455 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3456 // Safe mode means we shouldn't match any third-party components 3457 if (mSafeMode) { 3458 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3459 } 3460 3461 return updateFlagsForComponent(flags, userId, cookie); 3462 } 3463 3464 @Override 3465 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3466 if (!sUserManager.exists(userId)) return null; 3467 flags = updateFlagsForComponent(flags, userId, component); 3468 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3469 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3470 synchronized (mPackages) { 3471 PackageParser.Activity a = mActivities.mActivities.get(component); 3472 3473 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3474 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3475 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3476 if (ps == null) return null; 3477 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3478 userId); 3479 } 3480 if (mResolveComponentName.equals(component)) { 3481 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3482 new PackageUserState(), userId); 3483 } 3484 } 3485 return null; 3486 } 3487 3488 @Override 3489 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3490 String resolvedType) { 3491 synchronized (mPackages) { 3492 if (component.equals(mResolveComponentName)) { 3493 // The resolver supports EVERYTHING! 3494 return true; 3495 } 3496 PackageParser.Activity a = mActivities.mActivities.get(component); 3497 if (a == null) { 3498 return false; 3499 } 3500 for (int i=0; i<a.intents.size(); i++) { 3501 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3502 intent.getData(), intent.getCategories(), TAG) >= 0) { 3503 return true; 3504 } 3505 } 3506 return false; 3507 } 3508 } 3509 3510 @Override 3511 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3512 if (!sUserManager.exists(userId)) return null; 3513 flags = updateFlagsForComponent(flags, userId, component); 3514 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3515 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3516 synchronized (mPackages) { 3517 PackageParser.Activity a = mReceivers.mActivities.get(component); 3518 if (DEBUG_PACKAGE_INFO) Log.v( 3519 TAG, "getReceiverInfo " + component + ": " + a); 3520 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3521 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3522 if (ps == null) return null; 3523 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3524 userId); 3525 } 3526 } 3527 return null; 3528 } 3529 3530 @Override 3531 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3532 if (!sUserManager.exists(userId)) return null; 3533 flags = updateFlagsForComponent(flags, userId, component); 3534 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3535 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3536 synchronized (mPackages) { 3537 PackageParser.Service s = mServices.mServices.get(component); 3538 if (DEBUG_PACKAGE_INFO) Log.v( 3539 TAG, "getServiceInfo " + component + ": " + s); 3540 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3541 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3542 if (ps == null) return null; 3543 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3544 userId); 3545 } 3546 } 3547 return null; 3548 } 3549 3550 @Override 3551 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3552 if (!sUserManager.exists(userId)) return null; 3553 flags = updateFlagsForComponent(flags, userId, component); 3554 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3555 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3556 synchronized (mPackages) { 3557 PackageParser.Provider p = mProviders.mProviders.get(component); 3558 if (DEBUG_PACKAGE_INFO) Log.v( 3559 TAG, "getProviderInfo " + component + ": " + p); 3560 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3561 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3562 if (ps == null) return null; 3563 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3564 userId); 3565 } 3566 } 3567 return null; 3568 } 3569 3570 @Override 3571 public String[] getSystemSharedLibraryNames() { 3572 Set<String> libSet; 3573 synchronized (mPackages) { 3574 libSet = mSharedLibraries.keySet(); 3575 int size = libSet.size(); 3576 if (size > 0) { 3577 String[] libs = new String[size]; 3578 libSet.toArray(libs); 3579 return libs; 3580 } 3581 } 3582 return null; 3583 } 3584 3585 @Override 3586 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3587 synchronized (mPackages) { 3588 return mServicesSystemSharedLibraryPackageName; 3589 } 3590 } 3591 3592 @Override 3593 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3594 synchronized (mPackages) { 3595 return mSharedSystemSharedLibraryPackageName; 3596 } 3597 } 3598 3599 @Override 3600 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3601 synchronized (mPackages) { 3602 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3603 3604 final FeatureInfo fi = new FeatureInfo(); 3605 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3606 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3607 res.add(fi); 3608 3609 return new ParceledListSlice<>(res); 3610 } 3611 } 3612 3613 @Override 3614 public boolean hasSystemFeature(String name, int version) { 3615 synchronized (mPackages) { 3616 final FeatureInfo feat = mAvailableFeatures.get(name); 3617 if (feat == null) { 3618 return false; 3619 } else { 3620 return feat.version >= version; 3621 } 3622 } 3623 } 3624 3625 @Override 3626 public int checkPermission(String permName, String pkgName, int userId) { 3627 if (!sUserManager.exists(userId)) { 3628 return PackageManager.PERMISSION_DENIED; 3629 } 3630 3631 synchronized (mPackages) { 3632 final PackageParser.Package p = mPackages.get(pkgName); 3633 if (p != null && p.mExtras != null) { 3634 final PackageSetting ps = (PackageSetting) p.mExtras; 3635 final PermissionsState permissionsState = ps.getPermissionsState(); 3636 if (permissionsState.hasPermission(permName, userId)) { 3637 return PackageManager.PERMISSION_GRANTED; 3638 } 3639 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3640 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3641 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3642 return PackageManager.PERMISSION_GRANTED; 3643 } 3644 } 3645 } 3646 3647 return PackageManager.PERMISSION_DENIED; 3648 } 3649 3650 @Override 3651 public int checkUidPermission(String permName, int uid) { 3652 final int userId = UserHandle.getUserId(uid); 3653 3654 if (!sUserManager.exists(userId)) { 3655 return PackageManager.PERMISSION_DENIED; 3656 } 3657 3658 synchronized (mPackages) { 3659 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3660 if (obj != null) { 3661 final SettingBase ps = (SettingBase) obj; 3662 final PermissionsState permissionsState = ps.getPermissionsState(); 3663 if (permissionsState.hasPermission(permName, userId)) { 3664 return PackageManager.PERMISSION_GRANTED; 3665 } 3666 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3667 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3668 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3669 return PackageManager.PERMISSION_GRANTED; 3670 } 3671 } else { 3672 ArraySet<String> perms = mSystemPermissions.get(uid); 3673 if (perms != null) { 3674 if (perms.contains(permName)) { 3675 return PackageManager.PERMISSION_GRANTED; 3676 } 3677 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3678 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3679 return PackageManager.PERMISSION_GRANTED; 3680 } 3681 } 3682 } 3683 } 3684 3685 return PackageManager.PERMISSION_DENIED; 3686 } 3687 3688 @Override 3689 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3690 if (UserHandle.getCallingUserId() != userId) { 3691 mContext.enforceCallingPermission( 3692 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3693 "isPermissionRevokedByPolicy for user " + userId); 3694 } 3695 3696 if (checkPermission(permission, packageName, userId) 3697 == PackageManager.PERMISSION_GRANTED) { 3698 return false; 3699 } 3700 3701 final long identity = Binder.clearCallingIdentity(); 3702 try { 3703 final int flags = getPermissionFlags(permission, packageName, userId); 3704 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3705 } finally { 3706 Binder.restoreCallingIdentity(identity); 3707 } 3708 } 3709 3710 @Override 3711 public String getPermissionControllerPackageName() { 3712 synchronized (mPackages) { 3713 return mRequiredInstallerPackage; 3714 } 3715 } 3716 3717 /** 3718 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3719 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3720 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3721 * @param message the message to log on security exception 3722 */ 3723 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3724 boolean checkShell, String message) { 3725 if (userId < 0) { 3726 throw new IllegalArgumentException("Invalid userId " + userId); 3727 } 3728 if (checkShell) { 3729 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3730 } 3731 if (userId == UserHandle.getUserId(callingUid)) return; 3732 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3733 if (requireFullPermission) { 3734 mContext.enforceCallingOrSelfPermission( 3735 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3736 } else { 3737 try { 3738 mContext.enforceCallingOrSelfPermission( 3739 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3740 } catch (SecurityException se) { 3741 mContext.enforceCallingOrSelfPermission( 3742 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3743 } 3744 } 3745 } 3746 } 3747 3748 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3749 if (callingUid == Process.SHELL_UID) { 3750 if (userHandle >= 0 3751 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3752 throw new SecurityException("Shell does not have permission to access user " 3753 + userHandle); 3754 } else if (userHandle < 0) { 3755 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3756 + Debug.getCallers(3)); 3757 } 3758 } 3759 } 3760 3761 private BasePermission findPermissionTreeLP(String permName) { 3762 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3763 if (permName.startsWith(bp.name) && 3764 permName.length() > bp.name.length() && 3765 permName.charAt(bp.name.length()) == '.') { 3766 return bp; 3767 } 3768 } 3769 return null; 3770 } 3771 3772 private BasePermission checkPermissionTreeLP(String permName) { 3773 if (permName != null) { 3774 BasePermission bp = findPermissionTreeLP(permName); 3775 if (bp != null) { 3776 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3777 return bp; 3778 } 3779 throw new SecurityException("Calling uid " 3780 + Binder.getCallingUid() 3781 + " is not allowed to add to permission tree " 3782 + bp.name + " owned by uid " + bp.uid); 3783 } 3784 } 3785 throw new SecurityException("No permission tree found for " + permName); 3786 } 3787 3788 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3789 if (s1 == null) { 3790 return s2 == null; 3791 } 3792 if (s2 == null) { 3793 return false; 3794 } 3795 if (s1.getClass() != s2.getClass()) { 3796 return false; 3797 } 3798 return s1.equals(s2); 3799 } 3800 3801 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3802 if (pi1.icon != pi2.icon) return false; 3803 if (pi1.logo != pi2.logo) return false; 3804 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3805 if (!compareStrings(pi1.name, pi2.name)) return false; 3806 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3807 // We'll take care of setting this one. 3808 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3809 // These are not currently stored in settings. 3810 //if (!compareStrings(pi1.group, pi2.group)) return false; 3811 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3812 //if (pi1.labelRes != pi2.labelRes) return false; 3813 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3814 return true; 3815 } 3816 3817 int permissionInfoFootprint(PermissionInfo info) { 3818 int size = info.name.length(); 3819 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3820 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3821 return size; 3822 } 3823 3824 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3825 int size = 0; 3826 for (BasePermission perm : mSettings.mPermissions.values()) { 3827 if (perm.uid == tree.uid) { 3828 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3829 } 3830 } 3831 return size; 3832 } 3833 3834 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3835 // We calculate the max size of permissions defined by this uid and throw 3836 // if that plus the size of 'info' would exceed our stated maximum. 3837 if (tree.uid != Process.SYSTEM_UID) { 3838 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3839 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3840 throw new SecurityException("Permission tree size cap exceeded"); 3841 } 3842 } 3843 } 3844 3845 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3846 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3847 throw new SecurityException("Label must be specified in permission"); 3848 } 3849 BasePermission tree = checkPermissionTreeLP(info.name); 3850 BasePermission bp = mSettings.mPermissions.get(info.name); 3851 boolean added = bp == null; 3852 boolean changed = true; 3853 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3854 if (added) { 3855 enforcePermissionCapLocked(info, tree); 3856 bp = new BasePermission(info.name, tree.sourcePackage, 3857 BasePermission.TYPE_DYNAMIC); 3858 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3859 throw new SecurityException( 3860 "Not allowed to modify non-dynamic permission " 3861 + info.name); 3862 } else { 3863 if (bp.protectionLevel == fixedLevel 3864 && bp.perm.owner.equals(tree.perm.owner) 3865 && bp.uid == tree.uid 3866 && comparePermissionInfos(bp.perm.info, info)) { 3867 changed = false; 3868 } 3869 } 3870 bp.protectionLevel = fixedLevel; 3871 info = new PermissionInfo(info); 3872 info.protectionLevel = fixedLevel; 3873 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3874 bp.perm.info.packageName = tree.perm.info.packageName; 3875 bp.uid = tree.uid; 3876 if (added) { 3877 mSettings.mPermissions.put(info.name, bp); 3878 } 3879 if (changed) { 3880 if (!async) { 3881 mSettings.writeLPr(); 3882 } else { 3883 scheduleWriteSettingsLocked(); 3884 } 3885 } 3886 return added; 3887 } 3888 3889 @Override 3890 public boolean addPermission(PermissionInfo info) { 3891 synchronized (mPackages) { 3892 return addPermissionLocked(info, false); 3893 } 3894 } 3895 3896 @Override 3897 public boolean addPermissionAsync(PermissionInfo info) { 3898 synchronized (mPackages) { 3899 return addPermissionLocked(info, true); 3900 } 3901 } 3902 3903 @Override 3904 public void removePermission(String name) { 3905 synchronized (mPackages) { 3906 checkPermissionTreeLP(name); 3907 BasePermission bp = mSettings.mPermissions.get(name); 3908 if (bp != null) { 3909 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3910 throw new SecurityException( 3911 "Not allowed to modify non-dynamic permission " 3912 + name); 3913 } 3914 mSettings.mPermissions.remove(name); 3915 mSettings.writeLPr(); 3916 } 3917 } 3918 } 3919 3920 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3921 BasePermission bp) { 3922 int index = pkg.requestedPermissions.indexOf(bp.name); 3923 if (index == -1) { 3924 throw new SecurityException("Package " + pkg.packageName 3925 + " has not requested permission " + bp.name); 3926 } 3927 if (!bp.isRuntime() && !bp.isDevelopment()) { 3928 throw new SecurityException("Permission " + bp.name 3929 + " is not a changeable permission type"); 3930 } 3931 } 3932 3933 @Override 3934 public void grantRuntimePermission(String packageName, String name, final int userId) { 3935 if (!sUserManager.exists(userId)) { 3936 Log.e(TAG, "No such user:" + userId); 3937 return; 3938 } 3939 3940 mContext.enforceCallingOrSelfPermission( 3941 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3942 "grantRuntimePermission"); 3943 3944 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3945 true /* requireFullPermission */, true /* checkShell */, 3946 "grantRuntimePermission"); 3947 3948 final int uid; 3949 final SettingBase sb; 3950 3951 synchronized (mPackages) { 3952 final PackageParser.Package pkg = mPackages.get(packageName); 3953 if (pkg == null) { 3954 throw new IllegalArgumentException("Unknown package: " + packageName); 3955 } 3956 3957 final BasePermission bp = mSettings.mPermissions.get(name); 3958 if (bp == null) { 3959 throw new IllegalArgumentException("Unknown permission: " + name); 3960 } 3961 3962 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3963 3964 // If a permission review is required for legacy apps we represent 3965 // their permissions as always granted runtime ones since we need 3966 // to keep the review required permission flag per user while an 3967 // install permission's state is shared across all users. 3968 if (Build.PERMISSIONS_REVIEW_REQUIRED 3969 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3970 && bp.isRuntime()) { 3971 return; 3972 } 3973 3974 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3975 sb = (SettingBase) pkg.mExtras; 3976 if (sb == null) { 3977 throw new IllegalArgumentException("Unknown package: " + packageName); 3978 } 3979 3980 final PermissionsState permissionsState = sb.getPermissionsState(); 3981 3982 final int flags = permissionsState.getPermissionFlags(name, userId); 3983 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3984 throw new SecurityException("Cannot grant system fixed permission " 3985 + name + " for package " + packageName); 3986 } 3987 3988 if (bp.isDevelopment()) { 3989 // Development permissions must be handled specially, since they are not 3990 // normal runtime permissions. For now they apply to all users. 3991 if (permissionsState.grantInstallPermission(bp) != 3992 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3993 scheduleWriteSettingsLocked(); 3994 } 3995 return; 3996 } 3997 3998 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3999 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4000 return; 4001 } 4002 4003 final int result = permissionsState.grantRuntimePermission(bp, userId); 4004 switch (result) { 4005 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4006 return; 4007 } 4008 4009 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4010 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4011 mHandler.post(new Runnable() { 4012 @Override 4013 public void run() { 4014 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4015 } 4016 }); 4017 } 4018 break; 4019 } 4020 4021 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4022 4023 // Not critical if that is lost - app has to request again. 4024 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4025 } 4026 4027 // Only need to do this if user is initialized. Otherwise it's a new user 4028 // and there are no processes running as the user yet and there's no need 4029 // to make an expensive call to remount processes for the changed permissions. 4030 if (READ_EXTERNAL_STORAGE.equals(name) 4031 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4032 final long token = Binder.clearCallingIdentity(); 4033 try { 4034 if (sUserManager.isInitialized(userId)) { 4035 MountServiceInternal mountServiceInternal = LocalServices.getService( 4036 MountServiceInternal.class); 4037 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4038 } 4039 } finally { 4040 Binder.restoreCallingIdentity(token); 4041 } 4042 } 4043 } 4044 4045 @Override 4046 public void revokeRuntimePermission(String packageName, String name, int userId) { 4047 if (!sUserManager.exists(userId)) { 4048 Log.e(TAG, "No such user:" + userId); 4049 return; 4050 } 4051 4052 mContext.enforceCallingOrSelfPermission( 4053 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4054 "revokeRuntimePermission"); 4055 4056 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4057 true /* requireFullPermission */, true /* checkShell */, 4058 "revokeRuntimePermission"); 4059 4060 final int appId; 4061 4062 synchronized (mPackages) { 4063 final PackageParser.Package pkg = mPackages.get(packageName); 4064 if (pkg == null) { 4065 throw new IllegalArgumentException("Unknown package: " + packageName); 4066 } 4067 4068 final BasePermission bp = mSettings.mPermissions.get(name); 4069 if (bp == null) { 4070 throw new IllegalArgumentException("Unknown permission: " + name); 4071 } 4072 4073 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4074 4075 // If a permission review is required for legacy apps we represent 4076 // their permissions as always granted runtime ones since we need 4077 // to keep the review required permission flag per user while an 4078 // install permission's state is shared across all users. 4079 if (Build.PERMISSIONS_REVIEW_REQUIRED 4080 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4081 && bp.isRuntime()) { 4082 return; 4083 } 4084 4085 SettingBase sb = (SettingBase) pkg.mExtras; 4086 if (sb == null) { 4087 throw new IllegalArgumentException("Unknown package: " + packageName); 4088 } 4089 4090 final PermissionsState permissionsState = sb.getPermissionsState(); 4091 4092 final int flags = permissionsState.getPermissionFlags(name, userId); 4093 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4094 throw new SecurityException("Cannot revoke system fixed permission " 4095 + name + " for package " + packageName); 4096 } 4097 4098 if (bp.isDevelopment()) { 4099 // Development permissions must be handled specially, since they are not 4100 // normal runtime permissions. For now they apply to all users. 4101 if (permissionsState.revokeInstallPermission(bp) != 4102 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4103 scheduleWriteSettingsLocked(); 4104 } 4105 return; 4106 } 4107 4108 if (permissionsState.revokeRuntimePermission(bp, userId) == 4109 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4110 return; 4111 } 4112 4113 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4114 4115 // Critical, after this call app should never have the permission. 4116 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4117 4118 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4119 } 4120 4121 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4122 } 4123 4124 @Override 4125 public void resetRuntimePermissions() { 4126 mContext.enforceCallingOrSelfPermission( 4127 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4128 "revokeRuntimePermission"); 4129 4130 int callingUid = Binder.getCallingUid(); 4131 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4132 mContext.enforceCallingOrSelfPermission( 4133 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4134 "resetRuntimePermissions"); 4135 } 4136 4137 synchronized (mPackages) { 4138 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4139 for (int userId : UserManagerService.getInstance().getUserIds()) { 4140 final int packageCount = mPackages.size(); 4141 for (int i = 0; i < packageCount; i++) { 4142 PackageParser.Package pkg = mPackages.valueAt(i); 4143 if (!(pkg.mExtras instanceof PackageSetting)) { 4144 continue; 4145 } 4146 PackageSetting ps = (PackageSetting) pkg.mExtras; 4147 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4148 } 4149 } 4150 } 4151 } 4152 4153 @Override 4154 public int getPermissionFlags(String name, String packageName, int userId) { 4155 if (!sUserManager.exists(userId)) { 4156 return 0; 4157 } 4158 4159 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4160 4161 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4162 true /* requireFullPermission */, false /* checkShell */, 4163 "getPermissionFlags"); 4164 4165 synchronized (mPackages) { 4166 final PackageParser.Package pkg = mPackages.get(packageName); 4167 if (pkg == null) { 4168 return 0; 4169 } 4170 4171 final BasePermission bp = mSettings.mPermissions.get(name); 4172 if (bp == null) { 4173 return 0; 4174 } 4175 4176 SettingBase sb = (SettingBase) pkg.mExtras; 4177 if (sb == null) { 4178 return 0; 4179 } 4180 4181 PermissionsState permissionsState = sb.getPermissionsState(); 4182 return permissionsState.getPermissionFlags(name, userId); 4183 } 4184 } 4185 4186 @Override 4187 public void updatePermissionFlags(String name, String packageName, int flagMask, 4188 int flagValues, int userId) { 4189 if (!sUserManager.exists(userId)) { 4190 return; 4191 } 4192 4193 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4194 4195 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4196 true /* requireFullPermission */, true /* checkShell */, 4197 "updatePermissionFlags"); 4198 4199 // Only the system can change these flags and nothing else. 4200 if (getCallingUid() != Process.SYSTEM_UID) { 4201 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4202 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4203 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4204 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4205 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4206 } 4207 4208 synchronized (mPackages) { 4209 final PackageParser.Package pkg = mPackages.get(packageName); 4210 if (pkg == null) { 4211 throw new IllegalArgumentException("Unknown package: " + packageName); 4212 } 4213 4214 final BasePermission bp = mSettings.mPermissions.get(name); 4215 if (bp == null) { 4216 throw new IllegalArgumentException("Unknown permission: " + name); 4217 } 4218 4219 SettingBase sb = (SettingBase) pkg.mExtras; 4220 if (sb == null) { 4221 throw new IllegalArgumentException("Unknown package: " + packageName); 4222 } 4223 4224 PermissionsState permissionsState = sb.getPermissionsState(); 4225 4226 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4227 4228 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4229 // Install and runtime permissions are stored in different places, 4230 // so figure out what permission changed and persist the change. 4231 if (permissionsState.getInstallPermissionState(name) != null) { 4232 scheduleWriteSettingsLocked(); 4233 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4234 || hadState) { 4235 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4236 } 4237 } 4238 } 4239 } 4240 4241 /** 4242 * Update the permission flags for all packages and runtime permissions of a user in order 4243 * to allow device or profile owner to remove POLICY_FIXED. 4244 */ 4245 @Override 4246 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4247 if (!sUserManager.exists(userId)) { 4248 return; 4249 } 4250 4251 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4252 4253 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4254 true /* requireFullPermission */, true /* checkShell */, 4255 "updatePermissionFlagsForAllApps"); 4256 4257 // Only the system can change system fixed flags. 4258 if (getCallingUid() != Process.SYSTEM_UID) { 4259 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4260 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4261 } 4262 4263 synchronized (mPackages) { 4264 boolean changed = false; 4265 final int packageCount = mPackages.size(); 4266 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4267 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4268 SettingBase sb = (SettingBase) pkg.mExtras; 4269 if (sb == null) { 4270 continue; 4271 } 4272 PermissionsState permissionsState = sb.getPermissionsState(); 4273 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4274 userId, flagMask, flagValues); 4275 } 4276 if (changed) { 4277 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4278 } 4279 } 4280 } 4281 4282 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4283 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4284 != PackageManager.PERMISSION_GRANTED 4285 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4286 != PackageManager.PERMISSION_GRANTED) { 4287 throw new SecurityException(message + " requires " 4288 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4289 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4290 } 4291 } 4292 4293 @Override 4294 public boolean shouldShowRequestPermissionRationale(String permissionName, 4295 String packageName, int userId) { 4296 if (UserHandle.getCallingUserId() != userId) { 4297 mContext.enforceCallingPermission( 4298 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4299 "canShowRequestPermissionRationale for user " + userId); 4300 } 4301 4302 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4303 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4304 return false; 4305 } 4306 4307 if (checkPermission(permissionName, packageName, userId) 4308 == PackageManager.PERMISSION_GRANTED) { 4309 return false; 4310 } 4311 4312 final int flags; 4313 4314 final long identity = Binder.clearCallingIdentity(); 4315 try { 4316 flags = getPermissionFlags(permissionName, 4317 packageName, userId); 4318 } finally { 4319 Binder.restoreCallingIdentity(identity); 4320 } 4321 4322 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4323 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4324 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4325 4326 if ((flags & fixedFlags) != 0) { 4327 return false; 4328 } 4329 4330 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4331 } 4332 4333 @Override 4334 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4335 mContext.enforceCallingOrSelfPermission( 4336 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4337 "addOnPermissionsChangeListener"); 4338 4339 synchronized (mPackages) { 4340 mOnPermissionChangeListeners.addListenerLocked(listener); 4341 } 4342 } 4343 4344 @Override 4345 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4346 synchronized (mPackages) { 4347 mOnPermissionChangeListeners.removeListenerLocked(listener); 4348 } 4349 } 4350 4351 @Override 4352 public boolean isProtectedBroadcast(String actionName) { 4353 synchronized (mPackages) { 4354 if (mProtectedBroadcasts.contains(actionName)) { 4355 return true; 4356 } else if (actionName != null) { 4357 // TODO: remove these terrible hacks 4358 if (actionName.startsWith("android.net.netmon.lingerExpired") 4359 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4360 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4361 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4362 return true; 4363 } 4364 } 4365 } 4366 return false; 4367 } 4368 4369 @Override 4370 public int checkSignatures(String pkg1, String pkg2) { 4371 synchronized (mPackages) { 4372 final PackageParser.Package p1 = mPackages.get(pkg1); 4373 final PackageParser.Package p2 = mPackages.get(pkg2); 4374 if (p1 == null || p1.mExtras == null 4375 || p2 == null || p2.mExtras == null) { 4376 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4377 } 4378 return compareSignatures(p1.mSignatures, p2.mSignatures); 4379 } 4380 } 4381 4382 @Override 4383 public int checkUidSignatures(int uid1, int uid2) { 4384 // Map to base uids. 4385 uid1 = UserHandle.getAppId(uid1); 4386 uid2 = UserHandle.getAppId(uid2); 4387 // reader 4388 synchronized (mPackages) { 4389 Signature[] s1; 4390 Signature[] s2; 4391 Object obj = mSettings.getUserIdLPr(uid1); 4392 if (obj != null) { 4393 if (obj instanceof SharedUserSetting) { 4394 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4395 } else if (obj instanceof PackageSetting) { 4396 s1 = ((PackageSetting)obj).signatures.mSignatures; 4397 } else { 4398 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4399 } 4400 } else { 4401 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4402 } 4403 obj = mSettings.getUserIdLPr(uid2); 4404 if (obj != null) { 4405 if (obj instanceof SharedUserSetting) { 4406 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4407 } else if (obj instanceof PackageSetting) { 4408 s2 = ((PackageSetting)obj).signatures.mSignatures; 4409 } else { 4410 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4411 } 4412 } else { 4413 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4414 } 4415 return compareSignatures(s1, s2); 4416 } 4417 } 4418 4419 /** 4420 * This method should typically only be used when granting or revoking 4421 * permissions, since the app may immediately restart after this call. 4422 * <p> 4423 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4424 * guard your work against the app being relaunched. 4425 */ 4426 private void killUid(int appId, int userId, String reason) { 4427 final long identity = Binder.clearCallingIdentity(); 4428 try { 4429 IActivityManager am = ActivityManagerNative.getDefault(); 4430 if (am != null) { 4431 try { 4432 am.killUid(appId, userId, reason); 4433 } catch (RemoteException e) { 4434 /* ignore - same process */ 4435 } 4436 } 4437 } finally { 4438 Binder.restoreCallingIdentity(identity); 4439 } 4440 } 4441 4442 /** 4443 * Compares two sets of signatures. Returns: 4444 * <br /> 4445 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4446 * <br /> 4447 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4448 * <br /> 4449 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4450 * <br /> 4451 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4452 * <br /> 4453 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4454 */ 4455 static int compareSignatures(Signature[] s1, Signature[] s2) { 4456 if (s1 == null) { 4457 return s2 == null 4458 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4459 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4460 } 4461 4462 if (s2 == null) { 4463 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4464 } 4465 4466 if (s1.length != s2.length) { 4467 return PackageManager.SIGNATURE_NO_MATCH; 4468 } 4469 4470 // Since both signature sets are of size 1, we can compare without HashSets. 4471 if (s1.length == 1) { 4472 return s1[0].equals(s2[0]) ? 4473 PackageManager.SIGNATURE_MATCH : 4474 PackageManager.SIGNATURE_NO_MATCH; 4475 } 4476 4477 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4478 for (Signature sig : s1) { 4479 set1.add(sig); 4480 } 4481 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4482 for (Signature sig : s2) { 4483 set2.add(sig); 4484 } 4485 // Make sure s2 contains all signatures in s1. 4486 if (set1.equals(set2)) { 4487 return PackageManager.SIGNATURE_MATCH; 4488 } 4489 return PackageManager.SIGNATURE_NO_MATCH; 4490 } 4491 4492 /** 4493 * If the database version for this type of package (internal storage or 4494 * external storage) is less than the version where package signatures 4495 * were updated, return true. 4496 */ 4497 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4498 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4499 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4500 } 4501 4502 /** 4503 * Used for backward compatibility to make sure any packages with 4504 * certificate chains get upgraded to the new style. {@code existingSigs} 4505 * will be in the old format (since they were stored on disk from before the 4506 * system upgrade) and {@code scannedSigs} will be in the newer format. 4507 */ 4508 private int compareSignaturesCompat(PackageSignatures existingSigs, 4509 PackageParser.Package scannedPkg) { 4510 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4511 return PackageManager.SIGNATURE_NO_MATCH; 4512 } 4513 4514 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4515 for (Signature sig : existingSigs.mSignatures) { 4516 existingSet.add(sig); 4517 } 4518 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4519 for (Signature sig : scannedPkg.mSignatures) { 4520 try { 4521 Signature[] chainSignatures = sig.getChainSignatures(); 4522 for (Signature chainSig : chainSignatures) { 4523 scannedCompatSet.add(chainSig); 4524 } 4525 } catch (CertificateEncodingException e) { 4526 scannedCompatSet.add(sig); 4527 } 4528 } 4529 /* 4530 * Make sure the expanded scanned set contains all signatures in the 4531 * existing one. 4532 */ 4533 if (scannedCompatSet.equals(existingSet)) { 4534 // Migrate the old signatures to the new scheme. 4535 existingSigs.assignSignatures(scannedPkg.mSignatures); 4536 // The new KeySets will be re-added later in the scanning process. 4537 synchronized (mPackages) { 4538 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4539 } 4540 return PackageManager.SIGNATURE_MATCH; 4541 } 4542 return PackageManager.SIGNATURE_NO_MATCH; 4543 } 4544 4545 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4546 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4547 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4548 } 4549 4550 private int compareSignaturesRecover(PackageSignatures existingSigs, 4551 PackageParser.Package scannedPkg) { 4552 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4553 return PackageManager.SIGNATURE_NO_MATCH; 4554 } 4555 4556 String msg = null; 4557 try { 4558 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4559 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4560 + scannedPkg.packageName); 4561 return PackageManager.SIGNATURE_MATCH; 4562 } 4563 } catch (CertificateException e) { 4564 msg = e.getMessage(); 4565 } 4566 4567 logCriticalInfo(Log.INFO, 4568 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4569 return PackageManager.SIGNATURE_NO_MATCH; 4570 } 4571 4572 @Override 4573 public List<String> getAllPackages() { 4574 synchronized (mPackages) { 4575 return new ArrayList<String>(mPackages.keySet()); 4576 } 4577 } 4578 4579 @Override 4580 public String[] getPackagesForUid(int uid) { 4581 final int userId = UserHandle.getUserId(uid); 4582 uid = UserHandle.getAppId(uid); 4583 // reader 4584 synchronized (mPackages) { 4585 Object obj = mSettings.getUserIdLPr(uid); 4586 if (obj instanceof SharedUserSetting) { 4587 final SharedUserSetting sus = (SharedUserSetting) obj; 4588 final int N = sus.packages.size(); 4589 String[] res = new String[N]; 4590 final Iterator<PackageSetting> it = sus.packages.iterator(); 4591 int i = 0; 4592 while (it.hasNext()) { 4593 PackageSetting ps = it.next(); 4594 if (ps.getInstalled(userId)) { 4595 res[i++] = ps.name; 4596 } else { 4597 res = ArrayUtils.removeElement(String.class, res, res[i]); 4598 } 4599 } 4600 return res; 4601 } else if (obj instanceof PackageSetting) { 4602 final PackageSetting ps = (PackageSetting) obj; 4603 return new String[] { ps.name }; 4604 } 4605 } 4606 return null; 4607 } 4608 4609 @Override 4610 public String getNameForUid(int uid) { 4611 // reader 4612 synchronized (mPackages) { 4613 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4614 if (obj instanceof SharedUserSetting) { 4615 final SharedUserSetting sus = (SharedUserSetting) obj; 4616 return sus.name + ":" + sus.userId; 4617 } else if (obj instanceof PackageSetting) { 4618 final PackageSetting ps = (PackageSetting) obj; 4619 return ps.name; 4620 } 4621 } 4622 return null; 4623 } 4624 4625 @Override 4626 public int getUidForSharedUser(String sharedUserName) { 4627 if(sharedUserName == null) { 4628 return -1; 4629 } 4630 // reader 4631 synchronized (mPackages) { 4632 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4633 if (suid == null) { 4634 return -1; 4635 } 4636 return suid.userId; 4637 } 4638 } 4639 4640 @Override 4641 public int getFlagsForUid(int uid) { 4642 synchronized (mPackages) { 4643 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4644 if (obj instanceof SharedUserSetting) { 4645 final SharedUserSetting sus = (SharedUserSetting) obj; 4646 return sus.pkgFlags; 4647 } else if (obj instanceof PackageSetting) { 4648 final PackageSetting ps = (PackageSetting) obj; 4649 return ps.pkgFlags; 4650 } 4651 } 4652 return 0; 4653 } 4654 4655 @Override 4656 public int getPrivateFlagsForUid(int uid) { 4657 synchronized (mPackages) { 4658 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4659 if (obj instanceof SharedUserSetting) { 4660 final SharedUserSetting sus = (SharedUserSetting) obj; 4661 return sus.pkgPrivateFlags; 4662 } else if (obj instanceof PackageSetting) { 4663 final PackageSetting ps = (PackageSetting) obj; 4664 return ps.pkgPrivateFlags; 4665 } 4666 } 4667 return 0; 4668 } 4669 4670 @Override 4671 public boolean isUidPrivileged(int uid) { 4672 uid = UserHandle.getAppId(uid); 4673 // reader 4674 synchronized (mPackages) { 4675 Object obj = mSettings.getUserIdLPr(uid); 4676 if (obj instanceof SharedUserSetting) { 4677 final SharedUserSetting sus = (SharedUserSetting) obj; 4678 final Iterator<PackageSetting> it = sus.packages.iterator(); 4679 while (it.hasNext()) { 4680 if (it.next().isPrivileged()) { 4681 return true; 4682 } 4683 } 4684 } else if (obj instanceof PackageSetting) { 4685 final PackageSetting ps = (PackageSetting) obj; 4686 return ps.isPrivileged(); 4687 } 4688 } 4689 return false; 4690 } 4691 4692 @Override 4693 public String[] getAppOpPermissionPackages(String permissionName) { 4694 synchronized (mPackages) { 4695 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4696 if (pkgs == null) { 4697 return null; 4698 } 4699 return pkgs.toArray(new String[pkgs.size()]); 4700 } 4701 } 4702 4703 @Override 4704 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4705 int flags, int userId) { 4706 try { 4707 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4708 4709 if (!sUserManager.exists(userId)) return null; 4710 flags = updateFlagsForResolve(flags, userId, intent); 4711 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4712 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4713 4714 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4715 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4716 flags, userId); 4717 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4718 4719 final ResolveInfo bestChoice = 4720 chooseBestActivity(intent, resolvedType, flags, query, userId); 4721 4722 if (isEphemeralAllowed(intent, query, userId)) { 4723 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4724 final EphemeralResolveInfo ai = 4725 getEphemeralResolveInfo(intent, resolvedType, userId); 4726 if (ai != null) { 4727 if (DEBUG_EPHEMERAL) { 4728 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4729 } 4730 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4731 bestChoice.ephemeralResolveInfo = ai; 4732 } 4733 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4734 } 4735 return bestChoice; 4736 } finally { 4737 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4738 } 4739 } 4740 4741 @Override 4742 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4743 IntentFilter filter, int match, ComponentName activity) { 4744 final int userId = UserHandle.getCallingUserId(); 4745 if (DEBUG_PREFERRED) { 4746 Log.v(TAG, "setLastChosenActivity intent=" + intent 4747 + " resolvedType=" + resolvedType 4748 + " flags=" + flags 4749 + " filter=" + filter 4750 + " match=" + match 4751 + " activity=" + activity); 4752 filter.dump(new PrintStreamPrinter(System.out), " "); 4753 } 4754 intent.setComponent(null); 4755 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4756 userId); 4757 // Find any earlier preferred or last chosen entries and nuke them 4758 findPreferredActivity(intent, resolvedType, 4759 flags, query, 0, false, true, false, userId); 4760 // Add the new activity as the last chosen for this filter 4761 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4762 "Setting last chosen"); 4763 } 4764 4765 @Override 4766 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4767 final int userId = UserHandle.getCallingUserId(); 4768 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4769 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4770 userId); 4771 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4772 false, false, false, userId); 4773 } 4774 4775 4776 private boolean isEphemeralAllowed( 4777 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4778 // Short circuit and return early if possible. 4779 if (DISABLE_EPHEMERAL_APPS) { 4780 return false; 4781 } 4782 final int callingUser = UserHandle.getCallingUserId(); 4783 if (callingUser != UserHandle.USER_SYSTEM) { 4784 return false; 4785 } 4786 if (mEphemeralResolverConnection == null) { 4787 return false; 4788 } 4789 if (intent.getComponent() != null) { 4790 return false; 4791 } 4792 if (intent.getPackage() != null) { 4793 return false; 4794 } 4795 final boolean isWebUri = hasWebURI(intent); 4796 if (!isWebUri) { 4797 return false; 4798 } 4799 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4800 synchronized (mPackages) { 4801 final int count = resolvedActivites.size(); 4802 for (int n = 0; n < count; n++) { 4803 ResolveInfo info = resolvedActivites.get(n); 4804 String packageName = info.activityInfo.packageName; 4805 PackageSetting ps = mSettings.mPackages.get(packageName); 4806 if (ps != null) { 4807 // Try to get the status from User settings first 4808 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4809 int status = (int) (packedStatus >> 32); 4810 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4811 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4812 if (DEBUG_EPHEMERAL) { 4813 Slog.v(TAG, "DENY ephemeral apps;" 4814 + " pkg: " + packageName + ", status: " + status); 4815 } 4816 return false; 4817 } 4818 } 4819 } 4820 } 4821 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4822 return true; 4823 } 4824 4825 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4826 int userId) { 4827 MessageDigest digest = null; 4828 try { 4829 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4830 } catch (NoSuchAlgorithmException e) { 4831 // If we can't create a digest, ignore ephemeral apps. 4832 return null; 4833 } 4834 4835 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4836 final byte[] digestBytes = digest.digest(hostBytes); 4837 int shaPrefix = 4838 digestBytes[0] << 24 4839 | digestBytes[1] << 16 4840 | digestBytes[2] << 8 4841 | digestBytes[3] << 0; 4842 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4843 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4844 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4845 // No hash prefix match; there are no ephemeral apps for this domain. 4846 return null; 4847 } 4848 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4849 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4850 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4851 continue; 4852 } 4853 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4854 // No filters; this should never happen. 4855 if (filters.isEmpty()) { 4856 continue; 4857 } 4858 // We have a domain match; resolve the filters to see if anything matches. 4859 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4860 for (int j = filters.size() - 1; j >= 0; --j) { 4861 final EphemeralResolveIntentInfo intentInfo = 4862 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4863 ephemeralResolver.addFilter(intentInfo); 4864 } 4865 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4866 intent, resolvedType, false /*defaultOnly*/, userId); 4867 if (!matchedResolveInfoList.isEmpty()) { 4868 return matchedResolveInfoList.get(0); 4869 } 4870 } 4871 // Hash or filter mis-match; no ephemeral apps for this domain. 4872 return null; 4873 } 4874 4875 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4876 int flags, List<ResolveInfo> query, int userId) { 4877 if (query != null) { 4878 final int N = query.size(); 4879 if (N == 1) { 4880 return query.get(0); 4881 } else if (N > 1) { 4882 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4883 // If there is more than one activity with the same priority, 4884 // then let the user decide between them. 4885 ResolveInfo r0 = query.get(0); 4886 ResolveInfo r1 = query.get(1); 4887 if (DEBUG_INTENT_MATCHING || debug) { 4888 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4889 + r1.activityInfo.name + "=" + r1.priority); 4890 } 4891 // If the first activity has a higher priority, or a different 4892 // default, then it is always desirable to pick it. 4893 if (r0.priority != r1.priority 4894 || r0.preferredOrder != r1.preferredOrder 4895 || r0.isDefault != r1.isDefault) { 4896 return query.get(0); 4897 } 4898 // If we have saved a preference for a preferred activity for 4899 // this Intent, use that. 4900 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4901 flags, query, r0.priority, true, false, debug, userId); 4902 if (ri != null) { 4903 return ri; 4904 } 4905 ri = new ResolveInfo(mResolveInfo); 4906 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4907 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4908 // If all of the options come from the same package, show the application's 4909 // label and icon instead of the generic resolver's. 4910 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4911 // and then throw away the ResolveInfo itself, meaning that the caller loses 4912 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4913 // a fallback for this case; we only set the target package's resources on 4914 // the ResolveInfo, not the ActivityInfo. 4915 final String intentPackage = intent.getPackage(); 4916 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4917 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4918 ri.resolvePackageName = intentPackage; 4919 if (userNeedsBadging(userId)) { 4920 ri.noResourceId = true; 4921 } else { 4922 ri.icon = appi.icon; 4923 } 4924 ri.iconResourceId = appi.icon; 4925 ri.labelRes = appi.labelRes; 4926 } 4927 ri.activityInfo.applicationInfo = new ApplicationInfo( 4928 ri.activityInfo.applicationInfo); 4929 if (userId != 0) { 4930 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4931 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4932 } 4933 // Make sure that the resolver is displayable in car mode 4934 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4935 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4936 return ri; 4937 } 4938 } 4939 return null; 4940 } 4941 4942 /** 4943 * Return true if the given list is not empty and all of its contents have 4944 * an activityInfo with the given package name. 4945 */ 4946 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4947 if (ArrayUtils.isEmpty(list)) { 4948 return false; 4949 } 4950 for (int i = 0, N = list.size(); i < N; i++) { 4951 final ResolveInfo ri = list.get(i); 4952 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4953 if (ai == null || !packageName.equals(ai.packageName)) { 4954 return false; 4955 } 4956 } 4957 return true; 4958 } 4959 4960 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4961 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4962 final int N = query.size(); 4963 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4964 .get(userId); 4965 // Get the list of persistent preferred activities that handle the intent 4966 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4967 List<PersistentPreferredActivity> pprefs = ppir != null 4968 ? ppir.queryIntent(intent, resolvedType, 4969 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4970 : null; 4971 if (pprefs != null && pprefs.size() > 0) { 4972 final int M = pprefs.size(); 4973 for (int i=0; i<M; i++) { 4974 final PersistentPreferredActivity ppa = pprefs.get(i); 4975 if (DEBUG_PREFERRED || debug) { 4976 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4977 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4978 + "\n component=" + ppa.mComponent); 4979 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4980 } 4981 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4982 flags | MATCH_DISABLED_COMPONENTS, userId); 4983 if (DEBUG_PREFERRED || debug) { 4984 Slog.v(TAG, "Found persistent preferred activity:"); 4985 if (ai != null) { 4986 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4987 } else { 4988 Slog.v(TAG, " null"); 4989 } 4990 } 4991 if (ai == null) { 4992 // This previously registered persistent preferred activity 4993 // component is no longer known. Ignore it and do NOT remove it. 4994 continue; 4995 } 4996 for (int j=0; j<N; j++) { 4997 final ResolveInfo ri = query.get(j); 4998 if (!ri.activityInfo.applicationInfo.packageName 4999 .equals(ai.applicationInfo.packageName)) { 5000 continue; 5001 } 5002 if (!ri.activityInfo.name.equals(ai.name)) { 5003 continue; 5004 } 5005 // Found a persistent preference that can handle the intent. 5006 if (DEBUG_PREFERRED || debug) { 5007 Slog.v(TAG, "Returning persistent preferred activity: " + 5008 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5009 } 5010 return ri; 5011 } 5012 } 5013 } 5014 return null; 5015 } 5016 5017 // TODO: handle preferred activities missing while user has amnesia 5018 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5019 List<ResolveInfo> query, int priority, boolean always, 5020 boolean removeMatches, boolean debug, int userId) { 5021 if (!sUserManager.exists(userId)) return null; 5022 flags = updateFlagsForResolve(flags, userId, intent); 5023 // writer 5024 synchronized (mPackages) { 5025 if (intent.getSelector() != null) { 5026 intent = intent.getSelector(); 5027 } 5028 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5029 5030 // Try to find a matching persistent preferred activity. 5031 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5032 debug, userId); 5033 5034 // If a persistent preferred activity matched, use it. 5035 if (pri != null) { 5036 return pri; 5037 } 5038 5039 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5040 // Get the list of preferred activities that handle the intent 5041 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5042 List<PreferredActivity> prefs = pir != null 5043 ? pir.queryIntent(intent, resolvedType, 5044 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5045 : null; 5046 if (prefs != null && prefs.size() > 0) { 5047 boolean changed = false; 5048 try { 5049 // First figure out how good the original match set is. 5050 // We will only allow preferred activities that came 5051 // from the same match quality. 5052 int match = 0; 5053 5054 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5055 5056 final int N = query.size(); 5057 for (int j=0; j<N; j++) { 5058 final ResolveInfo ri = query.get(j); 5059 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5060 + ": 0x" + Integer.toHexString(match)); 5061 if (ri.match > match) { 5062 match = ri.match; 5063 } 5064 } 5065 5066 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5067 + Integer.toHexString(match)); 5068 5069 match &= IntentFilter.MATCH_CATEGORY_MASK; 5070 final int M = prefs.size(); 5071 for (int i=0; i<M; i++) { 5072 final PreferredActivity pa = prefs.get(i); 5073 if (DEBUG_PREFERRED || debug) { 5074 Slog.v(TAG, "Checking PreferredActivity ds=" 5075 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5076 + "\n component=" + pa.mPref.mComponent); 5077 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5078 } 5079 if (pa.mPref.mMatch != match) { 5080 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5081 + Integer.toHexString(pa.mPref.mMatch)); 5082 continue; 5083 } 5084 // If it's not an "always" type preferred activity and that's what we're 5085 // looking for, skip it. 5086 if (always && !pa.mPref.mAlways) { 5087 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5088 continue; 5089 } 5090 final ActivityInfo ai = getActivityInfo( 5091 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5092 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5093 userId); 5094 if (DEBUG_PREFERRED || debug) { 5095 Slog.v(TAG, "Found preferred activity:"); 5096 if (ai != null) { 5097 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5098 } else { 5099 Slog.v(TAG, " null"); 5100 } 5101 } 5102 if (ai == null) { 5103 // This previously registered preferred activity 5104 // component is no longer known. Most likely an update 5105 // to the app was installed and in the new version this 5106 // component no longer exists. Clean it up by removing 5107 // it from the preferred activities list, and skip it. 5108 Slog.w(TAG, "Removing dangling preferred activity: " 5109 + pa.mPref.mComponent); 5110 pir.removeFilter(pa); 5111 changed = true; 5112 continue; 5113 } 5114 for (int j=0; j<N; j++) { 5115 final ResolveInfo ri = query.get(j); 5116 if (!ri.activityInfo.applicationInfo.packageName 5117 .equals(ai.applicationInfo.packageName)) { 5118 continue; 5119 } 5120 if (!ri.activityInfo.name.equals(ai.name)) { 5121 continue; 5122 } 5123 5124 if (removeMatches) { 5125 pir.removeFilter(pa); 5126 changed = true; 5127 if (DEBUG_PREFERRED) { 5128 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5129 } 5130 break; 5131 } 5132 5133 // Okay we found a previously set preferred or last chosen app. 5134 // If the result set is different from when this 5135 // was created, we need to clear it and re-ask the 5136 // user their preference, if we're looking for an "always" type entry. 5137 if (always && !pa.mPref.sameSet(query)) { 5138 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5139 + intent + " type " + resolvedType); 5140 if (DEBUG_PREFERRED) { 5141 Slog.v(TAG, "Removing preferred activity since set changed " 5142 + pa.mPref.mComponent); 5143 } 5144 pir.removeFilter(pa); 5145 // Re-add the filter as a "last chosen" entry (!always) 5146 PreferredActivity lastChosen = new PreferredActivity( 5147 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5148 pir.addFilter(lastChosen); 5149 changed = true; 5150 return null; 5151 } 5152 5153 // Yay! Either the set matched or we're looking for the last chosen 5154 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5155 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5156 return ri; 5157 } 5158 } 5159 } finally { 5160 if (changed) { 5161 if (DEBUG_PREFERRED) { 5162 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5163 } 5164 scheduleWritePackageRestrictionsLocked(userId); 5165 } 5166 } 5167 } 5168 } 5169 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5170 return null; 5171 } 5172 5173 /* 5174 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5175 */ 5176 @Override 5177 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5178 int targetUserId) { 5179 mContext.enforceCallingOrSelfPermission( 5180 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5181 List<CrossProfileIntentFilter> matches = 5182 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5183 if (matches != null) { 5184 int size = matches.size(); 5185 for (int i = 0; i < size; i++) { 5186 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5187 } 5188 } 5189 if (hasWebURI(intent)) { 5190 // cross-profile app linking works only towards the parent. 5191 final UserInfo parent = getProfileParent(sourceUserId); 5192 synchronized(mPackages) { 5193 int flags = updateFlagsForResolve(0, parent.id, intent); 5194 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5195 intent, resolvedType, flags, sourceUserId, parent.id); 5196 return xpDomainInfo != null; 5197 } 5198 } 5199 return false; 5200 } 5201 5202 private UserInfo getProfileParent(int userId) { 5203 final long identity = Binder.clearCallingIdentity(); 5204 try { 5205 return sUserManager.getProfileParent(userId); 5206 } finally { 5207 Binder.restoreCallingIdentity(identity); 5208 } 5209 } 5210 5211 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5212 String resolvedType, int userId) { 5213 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5214 if (resolver != null) { 5215 return resolver.queryIntent(intent, resolvedType, false, userId); 5216 } 5217 return null; 5218 } 5219 5220 @Override 5221 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5222 String resolvedType, int flags, int userId) { 5223 try { 5224 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5225 5226 return new ParceledListSlice<>( 5227 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5228 } finally { 5229 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5230 } 5231 } 5232 5233 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5234 String resolvedType, int flags, int userId) { 5235 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5236 flags = updateFlagsForResolve(flags, userId, intent); 5237 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5238 false /* requireFullPermission */, false /* checkShell */, 5239 "query intent activities"); 5240 ComponentName comp = intent.getComponent(); 5241 if (comp == null) { 5242 if (intent.getSelector() != null) { 5243 intent = intent.getSelector(); 5244 comp = intent.getComponent(); 5245 } 5246 } 5247 5248 if (comp != null) { 5249 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5250 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5251 if (ai != null) { 5252 final ResolveInfo ri = new ResolveInfo(); 5253 ri.activityInfo = ai; 5254 list.add(ri); 5255 } 5256 return list; 5257 } 5258 5259 // reader 5260 synchronized (mPackages) { 5261 final String pkgName = intent.getPackage(); 5262 if (pkgName == null) { 5263 List<CrossProfileIntentFilter> matchingFilters = 5264 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5265 // Check for results that need to skip the current profile. 5266 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5267 resolvedType, flags, userId); 5268 if (xpResolveInfo != null) { 5269 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5270 result.add(xpResolveInfo); 5271 return filterIfNotSystemUser(result, userId); 5272 } 5273 5274 // Check for results in the current profile. 5275 List<ResolveInfo> result = mActivities.queryIntent( 5276 intent, resolvedType, flags, userId); 5277 result = filterIfNotSystemUser(result, userId); 5278 5279 // Check for cross profile results. 5280 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5281 xpResolveInfo = queryCrossProfileIntents( 5282 matchingFilters, intent, resolvedType, flags, userId, 5283 hasNonNegativePriorityResult); 5284 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5285 boolean isVisibleToUser = filterIfNotSystemUser( 5286 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5287 if (isVisibleToUser) { 5288 result.add(xpResolveInfo); 5289 Collections.sort(result, mResolvePrioritySorter); 5290 } 5291 } 5292 if (hasWebURI(intent)) { 5293 CrossProfileDomainInfo xpDomainInfo = null; 5294 final UserInfo parent = getProfileParent(userId); 5295 if (parent != null) { 5296 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5297 flags, userId, parent.id); 5298 } 5299 if (xpDomainInfo != null) { 5300 if (xpResolveInfo != null) { 5301 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5302 // in the result. 5303 result.remove(xpResolveInfo); 5304 } 5305 if (result.size() == 0) { 5306 result.add(xpDomainInfo.resolveInfo); 5307 return result; 5308 } 5309 } else if (result.size() <= 1) { 5310 return result; 5311 } 5312 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5313 xpDomainInfo, userId); 5314 Collections.sort(result, mResolvePrioritySorter); 5315 } 5316 return result; 5317 } 5318 final PackageParser.Package pkg = mPackages.get(pkgName); 5319 if (pkg != null) { 5320 return filterIfNotSystemUser( 5321 mActivities.queryIntentForPackage( 5322 intent, resolvedType, flags, pkg.activities, userId), 5323 userId); 5324 } 5325 return new ArrayList<ResolveInfo>(); 5326 } 5327 } 5328 5329 private static class CrossProfileDomainInfo { 5330 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5331 ResolveInfo resolveInfo; 5332 /* Best domain verification status of the activities found in the other profile */ 5333 int bestDomainVerificationStatus; 5334 } 5335 5336 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5337 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5338 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5339 sourceUserId)) { 5340 return null; 5341 } 5342 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5343 resolvedType, flags, parentUserId); 5344 5345 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5346 return null; 5347 } 5348 CrossProfileDomainInfo result = null; 5349 int size = resultTargetUser.size(); 5350 for (int i = 0; i < size; i++) { 5351 ResolveInfo riTargetUser = resultTargetUser.get(i); 5352 // Intent filter verification is only for filters that specify a host. So don't return 5353 // those that handle all web uris. 5354 if (riTargetUser.handleAllWebDataURI) { 5355 continue; 5356 } 5357 String packageName = riTargetUser.activityInfo.packageName; 5358 PackageSetting ps = mSettings.mPackages.get(packageName); 5359 if (ps == null) { 5360 continue; 5361 } 5362 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5363 int status = (int)(verificationState >> 32); 5364 if (result == null) { 5365 result = new CrossProfileDomainInfo(); 5366 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5367 sourceUserId, parentUserId); 5368 result.bestDomainVerificationStatus = status; 5369 } else { 5370 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5371 result.bestDomainVerificationStatus); 5372 } 5373 } 5374 // Don't consider matches with status NEVER across profiles. 5375 if (result != null && result.bestDomainVerificationStatus 5376 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5377 return null; 5378 } 5379 return result; 5380 } 5381 5382 /** 5383 * Verification statuses are ordered from the worse to the best, except for 5384 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5385 */ 5386 private int bestDomainVerificationStatus(int status1, int status2) { 5387 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5388 return status2; 5389 } 5390 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5391 return status1; 5392 } 5393 return (int) MathUtils.max(status1, status2); 5394 } 5395 5396 private boolean isUserEnabled(int userId) { 5397 long callingId = Binder.clearCallingIdentity(); 5398 try { 5399 UserInfo userInfo = sUserManager.getUserInfo(userId); 5400 return userInfo != null && userInfo.isEnabled(); 5401 } finally { 5402 Binder.restoreCallingIdentity(callingId); 5403 } 5404 } 5405 5406 /** 5407 * Filter out activities with systemUserOnly flag set, when current user is not System. 5408 * 5409 * @return filtered list 5410 */ 5411 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5412 if (userId == UserHandle.USER_SYSTEM) { 5413 return resolveInfos; 5414 } 5415 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5416 ResolveInfo info = resolveInfos.get(i); 5417 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5418 resolveInfos.remove(i); 5419 } 5420 } 5421 return resolveInfos; 5422 } 5423 5424 /** 5425 * @param resolveInfos list of resolve infos in descending priority order 5426 * @return if the list contains a resolve info with non-negative priority 5427 */ 5428 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5429 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5430 } 5431 5432 private static boolean hasWebURI(Intent intent) { 5433 if (intent.getData() == null) { 5434 return false; 5435 } 5436 final String scheme = intent.getScheme(); 5437 if (TextUtils.isEmpty(scheme)) { 5438 return false; 5439 } 5440 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5441 } 5442 5443 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5444 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5445 int userId) { 5446 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5447 5448 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5449 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5450 candidates.size()); 5451 } 5452 5453 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5454 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5455 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5456 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5457 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5458 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5459 5460 synchronized (mPackages) { 5461 final int count = candidates.size(); 5462 // First, try to use linked apps. Partition the candidates into four lists: 5463 // one for the final results, one for the "do not use ever", one for "undefined status" 5464 // and finally one for "browser app type". 5465 for (int n=0; n<count; n++) { 5466 ResolveInfo info = candidates.get(n); 5467 String packageName = info.activityInfo.packageName; 5468 PackageSetting ps = mSettings.mPackages.get(packageName); 5469 if (ps != null) { 5470 // Add to the special match all list (Browser use case) 5471 if (info.handleAllWebDataURI) { 5472 matchAllList.add(info); 5473 continue; 5474 } 5475 // Try to get the status from User settings first 5476 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5477 int status = (int)(packedStatus >> 32); 5478 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5479 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5480 if (DEBUG_DOMAIN_VERIFICATION) { 5481 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5482 + " : linkgen=" + linkGeneration); 5483 } 5484 // Use link-enabled generation as preferredOrder, i.e. 5485 // prefer newly-enabled over earlier-enabled. 5486 info.preferredOrder = linkGeneration; 5487 alwaysList.add(info); 5488 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5489 if (DEBUG_DOMAIN_VERIFICATION) { 5490 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5491 } 5492 neverList.add(info); 5493 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5494 if (DEBUG_DOMAIN_VERIFICATION) { 5495 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5496 } 5497 alwaysAskList.add(info); 5498 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5499 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5500 if (DEBUG_DOMAIN_VERIFICATION) { 5501 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5502 } 5503 undefinedList.add(info); 5504 } 5505 } 5506 } 5507 5508 // We'll want to include browser possibilities in a few cases 5509 boolean includeBrowser = false; 5510 5511 // First try to add the "always" resolution(s) for the current user, if any 5512 if (alwaysList.size() > 0) { 5513 result.addAll(alwaysList); 5514 } else { 5515 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5516 result.addAll(undefinedList); 5517 // Maybe add one for the other profile. 5518 if (xpDomainInfo != null && ( 5519 xpDomainInfo.bestDomainVerificationStatus 5520 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5521 result.add(xpDomainInfo.resolveInfo); 5522 } 5523 includeBrowser = true; 5524 } 5525 5526 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5527 // If there were 'always' entries their preferred order has been set, so we also 5528 // back that off to make the alternatives equivalent 5529 if (alwaysAskList.size() > 0) { 5530 for (ResolveInfo i : result) { 5531 i.preferredOrder = 0; 5532 } 5533 result.addAll(alwaysAskList); 5534 includeBrowser = true; 5535 } 5536 5537 if (includeBrowser) { 5538 // Also add browsers (all of them or only the default one) 5539 if (DEBUG_DOMAIN_VERIFICATION) { 5540 Slog.v(TAG, " ...including browsers in candidate set"); 5541 } 5542 if ((matchFlags & MATCH_ALL) != 0) { 5543 result.addAll(matchAllList); 5544 } else { 5545 // Browser/generic handling case. If there's a default browser, go straight 5546 // to that (but only if there is no other higher-priority match). 5547 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5548 int maxMatchPrio = 0; 5549 ResolveInfo defaultBrowserMatch = null; 5550 final int numCandidates = matchAllList.size(); 5551 for (int n = 0; n < numCandidates; n++) { 5552 ResolveInfo info = matchAllList.get(n); 5553 // track the highest overall match priority... 5554 if (info.priority > maxMatchPrio) { 5555 maxMatchPrio = info.priority; 5556 } 5557 // ...and the highest-priority default browser match 5558 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5559 if (defaultBrowserMatch == null 5560 || (defaultBrowserMatch.priority < info.priority)) { 5561 if (debug) { 5562 Slog.v(TAG, "Considering default browser match " + info); 5563 } 5564 defaultBrowserMatch = info; 5565 } 5566 } 5567 } 5568 if (defaultBrowserMatch != null 5569 && defaultBrowserMatch.priority >= maxMatchPrio 5570 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5571 { 5572 if (debug) { 5573 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5574 } 5575 result.add(defaultBrowserMatch); 5576 } else { 5577 result.addAll(matchAllList); 5578 } 5579 } 5580 5581 // If there is nothing selected, add all candidates and remove the ones that the user 5582 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5583 if (result.size() == 0) { 5584 result.addAll(candidates); 5585 result.removeAll(neverList); 5586 } 5587 } 5588 } 5589 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5590 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5591 result.size()); 5592 for (ResolveInfo info : result) { 5593 Slog.v(TAG, " + " + info.activityInfo); 5594 } 5595 } 5596 return result; 5597 } 5598 5599 // Returns a packed value as a long: 5600 // 5601 // high 'int'-sized word: link status: undefined/ask/never/always. 5602 // low 'int'-sized word: relative priority among 'always' results. 5603 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5604 long result = ps.getDomainVerificationStatusForUser(userId); 5605 // if none available, get the master status 5606 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5607 if (ps.getIntentFilterVerificationInfo() != null) { 5608 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5609 } 5610 } 5611 return result; 5612 } 5613 5614 private ResolveInfo querySkipCurrentProfileIntents( 5615 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5616 int flags, int sourceUserId) { 5617 if (matchingFilters != null) { 5618 int size = matchingFilters.size(); 5619 for (int i = 0; i < size; i ++) { 5620 CrossProfileIntentFilter filter = matchingFilters.get(i); 5621 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5622 // Checking if there are activities in the target user that can handle the 5623 // intent. 5624 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5625 resolvedType, flags, sourceUserId); 5626 if (resolveInfo != null) { 5627 return resolveInfo; 5628 } 5629 } 5630 } 5631 } 5632 return null; 5633 } 5634 5635 // Return matching ResolveInfo in target user if any. 5636 private ResolveInfo queryCrossProfileIntents( 5637 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5638 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5639 if (matchingFilters != null) { 5640 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5641 // match the same intent. For performance reasons, it is better not to 5642 // run queryIntent twice for the same userId 5643 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5644 int size = matchingFilters.size(); 5645 for (int i = 0; i < size; i++) { 5646 CrossProfileIntentFilter filter = matchingFilters.get(i); 5647 int targetUserId = filter.getTargetUserId(); 5648 boolean skipCurrentProfile = 5649 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5650 boolean skipCurrentProfileIfNoMatchFound = 5651 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5652 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5653 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5654 // Checking if there are activities in the target user that can handle the 5655 // intent. 5656 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5657 resolvedType, flags, sourceUserId); 5658 if (resolveInfo != null) return resolveInfo; 5659 alreadyTriedUserIds.put(targetUserId, true); 5660 } 5661 } 5662 } 5663 return null; 5664 } 5665 5666 /** 5667 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5668 * will forward the intent to the filter's target user. 5669 * Otherwise, returns null. 5670 */ 5671 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5672 String resolvedType, int flags, int sourceUserId) { 5673 int targetUserId = filter.getTargetUserId(); 5674 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5675 resolvedType, flags, targetUserId); 5676 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5677 // If all the matches in the target profile are suspended, return null. 5678 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5679 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5680 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5681 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5682 targetUserId); 5683 } 5684 } 5685 } 5686 return null; 5687 } 5688 5689 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5690 int sourceUserId, int targetUserId) { 5691 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5692 long ident = Binder.clearCallingIdentity(); 5693 boolean targetIsProfile; 5694 try { 5695 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5696 } finally { 5697 Binder.restoreCallingIdentity(ident); 5698 } 5699 String className; 5700 if (targetIsProfile) { 5701 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5702 } else { 5703 className = FORWARD_INTENT_TO_PARENT; 5704 } 5705 ComponentName forwardingActivityComponentName = new ComponentName( 5706 mAndroidApplication.packageName, className); 5707 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5708 sourceUserId); 5709 if (!targetIsProfile) { 5710 forwardingActivityInfo.showUserIcon = targetUserId; 5711 forwardingResolveInfo.noResourceId = true; 5712 } 5713 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5714 forwardingResolveInfo.priority = 0; 5715 forwardingResolveInfo.preferredOrder = 0; 5716 forwardingResolveInfo.match = 0; 5717 forwardingResolveInfo.isDefault = true; 5718 forwardingResolveInfo.filter = filter; 5719 forwardingResolveInfo.targetUserId = targetUserId; 5720 return forwardingResolveInfo; 5721 } 5722 5723 @Override 5724 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5725 Intent[] specifics, String[] specificTypes, Intent intent, 5726 String resolvedType, int flags, int userId) { 5727 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5728 specificTypes, intent, resolvedType, flags, userId)); 5729 } 5730 5731 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5732 Intent[] specifics, String[] specificTypes, Intent intent, 5733 String resolvedType, int flags, int userId) { 5734 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5735 flags = updateFlagsForResolve(flags, userId, intent); 5736 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5737 false /* requireFullPermission */, false /* checkShell */, 5738 "query intent activity options"); 5739 final String resultsAction = intent.getAction(); 5740 5741 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5742 | PackageManager.GET_RESOLVED_FILTER, userId); 5743 5744 if (DEBUG_INTENT_MATCHING) { 5745 Log.v(TAG, "Query " + intent + ": " + results); 5746 } 5747 5748 int specificsPos = 0; 5749 int N; 5750 5751 // todo: note that the algorithm used here is O(N^2). This 5752 // isn't a problem in our current environment, but if we start running 5753 // into situations where we have more than 5 or 10 matches then this 5754 // should probably be changed to something smarter... 5755 5756 // First we go through and resolve each of the specific items 5757 // that were supplied, taking care of removing any corresponding 5758 // duplicate items in the generic resolve list. 5759 if (specifics != null) { 5760 for (int i=0; i<specifics.length; i++) { 5761 final Intent sintent = specifics[i]; 5762 if (sintent == null) { 5763 continue; 5764 } 5765 5766 if (DEBUG_INTENT_MATCHING) { 5767 Log.v(TAG, "Specific #" + i + ": " + sintent); 5768 } 5769 5770 String action = sintent.getAction(); 5771 if (resultsAction != null && resultsAction.equals(action)) { 5772 // If this action was explicitly requested, then don't 5773 // remove things that have it. 5774 action = null; 5775 } 5776 5777 ResolveInfo ri = null; 5778 ActivityInfo ai = null; 5779 5780 ComponentName comp = sintent.getComponent(); 5781 if (comp == null) { 5782 ri = resolveIntent( 5783 sintent, 5784 specificTypes != null ? specificTypes[i] : null, 5785 flags, userId); 5786 if (ri == null) { 5787 continue; 5788 } 5789 if (ri == mResolveInfo) { 5790 // ACK! Must do something better with this. 5791 } 5792 ai = ri.activityInfo; 5793 comp = new ComponentName(ai.applicationInfo.packageName, 5794 ai.name); 5795 } else { 5796 ai = getActivityInfo(comp, flags, userId); 5797 if (ai == null) { 5798 continue; 5799 } 5800 } 5801 5802 // Look for any generic query activities that are duplicates 5803 // of this specific one, and remove them from the results. 5804 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5805 N = results.size(); 5806 int j; 5807 for (j=specificsPos; j<N; j++) { 5808 ResolveInfo sri = results.get(j); 5809 if ((sri.activityInfo.name.equals(comp.getClassName()) 5810 && sri.activityInfo.applicationInfo.packageName.equals( 5811 comp.getPackageName())) 5812 || (action != null && sri.filter.matchAction(action))) { 5813 results.remove(j); 5814 if (DEBUG_INTENT_MATCHING) Log.v( 5815 TAG, "Removing duplicate item from " + j 5816 + " due to specific " + specificsPos); 5817 if (ri == null) { 5818 ri = sri; 5819 } 5820 j--; 5821 N--; 5822 } 5823 } 5824 5825 // Add this specific item to its proper place. 5826 if (ri == null) { 5827 ri = new ResolveInfo(); 5828 ri.activityInfo = ai; 5829 } 5830 results.add(specificsPos, ri); 5831 ri.specificIndex = i; 5832 specificsPos++; 5833 } 5834 } 5835 5836 // Now we go through the remaining generic results and remove any 5837 // duplicate actions that are found here. 5838 N = results.size(); 5839 for (int i=specificsPos; i<N-1; i++) { 5840 final ResolveInfo rii = results.get(i); 5841 if (rii.filter == null) { 5842 continue; 5843 } 5844 5845 // Iterate over all of the actions of this result's intent 5846 // filter... typically this should be just one. 5847 final Iterator<String> it = rii.filter.actionsIterator(); 5848 if (it == null) { 5849 continue; 5850 } 5851 while (it.hasNext()) { 5852 final String action = it.next(); 5853 if (resultsAction != null && resultsAction.equals(action)) { 5854 // If this action was explicitly requested, then don't 5855 // remove things that have it. 5856 continue; 5857 } 5858 for (int j=i+1; j<N; j++) { 5859 final ResolveInfo rij = results.get(j); 5860 if (rij.filter != null && rij.filter.hasAction(action)) { 5861 results.remove(j); 5862 if (DEBUG_INTENT_MATCHING) Log.v( 5863 TAG, "Removing duplicate item from " + j 5864 + " due to action " + action + " at " + i); 5865 j--; 5866 N--; 5867 } 5868 } 5869 } 5870 5871 // If the caller didn't request filter information, drop it now 5872 // so we don't have to marshall/unmarshall it. 5873 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5874 rii.filter = null; 5875 } 5876 } 5877 5878 // Filter out the caller activity if so requested. 5879 if (caller != null) { 5880 N = results.size(); 5881 for (int i=0; i<N; i++) { 5882 ActivityInfo ainfo = results.get(i).activityInfo; 5883 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5884 && caller.getClassName().equals(ainfo.name)) { 5885 results.remove(i); 5886 break; 5887 } 5888 } 5889 } 5890 5891 // If the caller didn't request filter information, 5892 // drop them now so we don't have to 5893 // marshall/unmarshall it. 5894 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5895 N = results.size(); 5896 for (int i=0; i<N; i++) { 5897 results.get(i).filter = null; 5898 } 5899 } 5900 5901 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5902 return results; 5903 } 5904 5905 @Override 5906 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5907 String resolvedType, int flags, int userId) { 5908 return new ParceledListSlice<>( 5909 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5910 } 5911 5912 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5913 String resolvedType, int flags, int userId) { 5914 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5915 flags = updateFlagsForResolve(flags, userId, intent); 5916 ComponentName comp = intent.getComponent(); 5917 if (comp == null) { 5918 if (intent.getSelector() != null) { 5919 intent = intent.getSelector(); 5920 comp = intent.getComponent(); 5921 } 5922 } 5923 if (comp != null) { 5924 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5925 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5926 if (ai != null) { 5927 ResolveInfo ri = new ResolveInfo(); 5928 ri.activityInfo = ai; 5929 list.add(ri); 5930 } 5931 return list; 5932 } 5933 5934 // reader 5935 synchronized (mPackages) { 5936 String pkgName = intent.getPackage(); 5937 if (pkgName == null) { 5938 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5939 } 5940 final PackageParser.Package pkg = mPackages.get(pkgName); 5941 if (pkg != null) { 5942 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5943 userId); 5944 } 5945 return Collections.emptyList(); 5946 } 5947 } 5948 5949 @Override 5950 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5951 if (!sUserManager.exists(userId)) return null; 5952 flags = updateFlagsForResolve(flags, userId, intent); 5953 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5954 if (query != null) { 5955 if (query.size() >= 1) { 5956 // If there is more than one service with the same priority, 5957 // just arbitrarily pick the first one. 5958 return query.get(0); 5959 } 5960 } 5961 return null; 5962 } 5963 5964 @Override 5965 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5966 String resolvedType, int flags, int userId) { 5967 return new ParceledListSlice<>( 5968 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5969 } 5970 5971 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5972 String resolvedType, int flags, int userId) { 5973 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5974 flags = updateFlagsForResolve(flags, userId, intent); 5975 ComponentName comp = intent.getComponent(); 5976 if (comp == null) { 5977 if (intent.getSelector() != null) { 5978 intent = intent.getSelector(); 5979 comp = intent.getComponent(); 5980 } 5981 } 5982 if (comp != null) { 5983 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5984 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5985 if (si != null) { 5986 final ResolveInfo ri = new ResolveInfo(); 5987 ri.serviceInfo = si; 5988 list.add(ri); 5989 } 5990 return list; 5991 } 5992 5993 // reader 5994 synchronized (mPackages) { 5995 String pkgName = intent.getPackage(); 5996 if (pkgName == null) { 5997 return mServices.queryIntent(intent, resolvedType, flags, userId); 5998 } 5999 final PackageParser.Package pkg = mPackages.get(pkgName); 6000 if (pkg != null) { 6001 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6002 userId); 6003 } 6004 return Collections.emptyList(); 6005 } 6006 } 6007 6008 @Override 6009 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6010 String resolvedType, int flags, int userId) { 6011 return new ParceledListSlice<>( 6012 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6013 } 6014 6015 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6016 Intent intent, String resolvedType, int flags, int userId) { 6017 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6018 flags = updateFlagsForResolve(flags, userId, intent); 6019 ComponentName comp = intent.getComponent(); 6020 if (comp == null) { 6021 if (intent.getSelector() != null) { 6022 intent = intent.getSelector(); 6023 comp = intent.getComponent(); 6024 } 6025 } 6026 if (comp != null) { 6027 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6028 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6029 if (pi != null) { 6030 final ResolveInfo ri = new ResolveInfo(); 6031 ri.providerInfo = pi; 6032 list.add(ri); 6033 } 6034 return list; 6035 } 6036 6037 // reader 6038 synchronized (mPackages) { 6039 String pkgName = intent.getPackage(); 6040 if (pkgName == null) { 6041 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6042 } 6043 final PackageParser.Package pkg = mPackages.get(pkgName); 6044 if (pkg != null) { 6045 return mProviders.queryIntentForPackage( 6046 intent, resolvedType, flags, pkg.providers, userId); 6047 } 6048 return Collections.emptyList(); 6049 } 6050 } 6051 6052 @Override 6053 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6054 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6055 flags = updateFlagsForPackage(flags, userId, null); 6056 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6057 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6058 true /* requireFullPermission */, false /* checkShell */, 6059 "get installed packages"); 6060 6061 // writer 6062 synchronized (mPackages) { 6063 ArrayList<PackageInfo> list; 6064 if (listUninstalled) { 6065 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6066 for (PackageSetting ps : mSettings.mPackages.values()) { 6067 final PackageInfo pi; 6068 if (ps.pkg != null) { 6069 pi = generatePackageInfo(ps, flags, userId); 6070 } else { 6071 pi = generatePackageInfo(ps, flags, userId); 6072 } 6073 if (pi != null) { 6074 list.add(pi); 6075 } 6076 } 6077 } else { 6078 list = new ArrayList<PackageInfo>(mPackages.size()); 6079 for (PackageParser.Package p : mPackages.values()) { 6080 final PackageInfo pi = 6081 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6082 if (pi != null) { 6083 list.add(pi); 6084 } 6085 } 6086 } 6087 6088 return new ParceledListSlice<PackageInfo>(list); 6089 } 6090 } 6091 6092 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6093 String[] permissions, boolean[] tmp, int flags, int userId) { 6094 int numMatch = 0; 6095 final PermissionsState permissionsState = ps.getPermissionsState(); 6096 for (int i=0; i<permissions.length; i++) { 6097 final String permission = permissions[i]; 6098 if (permissionsState.hasPermission(permission, userId)) { 6099 tmp[i] = true; 6100 numMatch++; 6101 } else { 6102 tmp[i] = false; 6103 } 6104 } 6105 if (numMatch == 0) { 6106 return; 6107 } 6108 final PackageInfo pi; 6109 if (ps.pkg != null) { 6110 pi = generatePackageInfo(ps, flags, userId); 6111 } else { 6112 pi = generatePackageInfo(ps, flags, userId); 6113 } 6114 // The above might return null in cases of uninstalled apps or install-state 6115 // skew across users/profiles. 6116 if (pi != null) { 6117 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6118 if (numMatch == permissions.length) { 6119 pi.requestedPermissions = permissions; 6120 } else { 6121 pi.requestedPermissions = new String[numMatch]; 6122 numMatch = 0; 6123 for (int i=0; i<permissions.length; i++) { 6124 if (tmp[i]) { 6125 pi.requestedPermissions[numMatch] = permissions[i]; 6126 numMatch++; 6127 } 6128 } 6129 } 6130 } 6131 list.add(pi); 6132 } 6133 } 6134 6135 @Override 6136 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6137 String[] permissions, int flags, int userId) { 6138 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6139 flags = updateFlagsForPackage(flags, userId, permissions); 6140 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6141 6142 // writer 6143 synchronized (mPackages) { 6144 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6145 boolean[] tmpBools = new boolean[permissions.length]; 6146 if (listUninstalled) { 6147 for (PackageSetting ps : mSettings.mPackages.values()) { 6148 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6149 } 6150 } else { 6151 for (PackageParser.Package pkg : mPackages.values()) { 6152 PackageSetting ps = (PackageSetting)pkg.mExtras; 6153 if (ps != null) { 6154 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6155 userId); 6156 } 6157 } 6158 } 6159 6160 return new ParceledListSlice<PackageInfo>(list); 6161 } 6162 } 6163 6164 @Override 6165 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6166 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6167 flags = updateFlagsForApplication(flags, userId, null); 6168 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6169 6170 // writer 6171 synchronized (mPackages) { 6172 ArrayList<ApplicationInfo> list; 6173 if (listUninstalled) { 6174 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6175 for (PackageSetting ps : mSettings.mPackages.values()) { 6176 ApplicationInfo ai; 6177 if (ps.pkg != null) { 6178 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6179 ps.readUserState(userId), userId); 6180 } else { 6181 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6182 } 6183 if (ai != null) { 6184 list.add(ai); 6185 } 6186 } 6187 } else { 6188 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6189 for (PackageParser.Package p : mPackages.values()) { 6190 if (p.mExtras != null) { 6191 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6192 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6193 if (ai != null) { 6194 list.add(ai); 6195 } 6196 } 6197 } 6198 } 6199 6200 return new ParceledListSlice<ApplicationInfo>(list); 6201 } 6202 } 6203 6204 @Override 6205 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6206 if (DISABLE_EPHEMERAL_APPS) { 6207 return null; 6208 } 6209 6210 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6211 "getEphemeralApplications"); 6212 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6213 true /* requireFullPermission */, false /* checkShell */, 6214 "getEphemeralApplications"); 6215 synchronized (mPackages) { 6216 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6217 .getEphemeralApplicationsLPw(userId); 6218 if (ephemeralApps != null) { 6219 return new ParceledListSlice<>(ephemeralApps); 6220 } 6221 } 6222 return null; 6223 } 6224 6225 @Override 6226 public boolean isEphemeralApplication(String packageName, int userId) { 6227 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6228 true /* requireFullPermission */, false /* checkShell */, 6229 "isEphemeral"); 6230 if (DISABLE_EPHEMERAL_APPS) { 6231 return false; 6232 } 6233 6234 if (!isCallerSameApp(packageName)) { 6235 return false; 6236 } 6237 synchronized (mPackages) { 6238 PackageParser.Package pkg = mPackages.get(packageName); 6239 if (pkg != null) { 6240 return pkg.applicationInfo.isEphemeralApp(); 6241 } 6242 } 6243 return false; 6244 } 6245 6246 @Override 6247 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6248 if (DISABLE_EPHEMERAL_APPS) { 6249 return null; 6250 } 6251 6252 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6253 true /* requireFullPermission */, false /* checkShell */, 6254 "getCookie"); 6255 if (!isCallerSameApp(packageName)) { 6256 return null; 6257 } 6258 synchronized (mPackages) { 6259 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6260 packageName, userId); 6261 } 6262 } 6263 6264 @Override 6265 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6266 if (DISABLE_EPHEMERAL_APPS) { 6267 return true; 6268 } 6269 6270 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6271 true /* requireFullPermission */, true /* checkShell */, 6272 "setCookie"); 6273 if (!isCallerSameApp(packageName)) { 6274 return false; 6275 } 6276 synchronized (mPackages) { 6277 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6278 packageName, cookie, userId); 6279 } 6280 } 6281 6282 @Override 6283 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6284 if (DISABLE_EPHEMERAL_APPS) { 6285 return null; 6286 } 6287 6288 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6289 "getEphemeralApplicationIcon"); 6290 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6291 true /* requireFullPermission */, false /* checkShell */, 6292 "getEphemeralApplicationIcon"); 6293 synchronized (mPackages) { 6294 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6295 packageName, userId); 6296 } 6297 } 6298 6299 private boolean isCallerSameApp(String packageName) { 6300 PackageParser.Package pkg = mPackages.get(packageName); 6301 return pkg != null 6302 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6303 } 6304 6305 @Override 6306 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6307 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6308 } 6309 6310 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6311 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6312 6313 // reader 6314 synchronized (mPackages) { 6315 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6316 final int userId = UserHandle.getCallingUserId(); 6317 while (i.hasNext()) { 6318 final PackageParser.Package p = i.next(); 6319 if (p.applicationInfo == null) continue; 6320 6321 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6322 && !p.applicationInfo.isDirectBootAware(); 6323 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6324 && p.applicationInfo.isDirectBootAware(); 6325 6326 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6327 && (!mSafeMode || isSystemApp(p)) 6328 && (matchesUnaware || matchesAware)) { 6329 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6330 if (ps != null) { 6331 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6332 ps.readUserState(userId), userId); 6333 if (ai != null) { 6334 finalList.add(ai); 6335 } 6336 } 6337 } 6338 } 6339 } 6340 6341 return finalList; 6342 } 6343 6344 @Override 6345 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6346 if (!sUserManager.exists(userId)) return null; 6347 flags = updateFlagsForComponent(flags, userId, name); 6348 // reader 6349 synchronized (mPackages) { 6350 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6351 PackageSetting ps = provider != null 6352 ? mSettings.mPackages.get(provider.owner.packageName) 6353 : null; 6354 return ps != null 6355 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6356 ? PackageParser.generateProviderInfo(provider, flags, 6357 ps.readUserState(userId), userId) 6358 : null; 6359 } 6360 } 6361 6362 /** 6363 * @deprecated 6364 */ 6365 @Deprecated 6366 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6367 // reader 6368 synchronized (mPackages) { 6369 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6370 .entrySet().iterator(); 6371 final int userId = UserHandle.getCallingUserId(); 6372 while (i.hasNext()) { 6373 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6374 PackageParser.Provider p = entry.getValue(); 6375 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6376 6377 if (ps != null && p.syncable 6378 && (!mSafeMode || (p.info.applicationInfo.flags 6379 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6380 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6381 ps.readUserState(userId), userId); 6382 if (info != null) { 6383 outNames.add(entry.getKey()); 6384 outInfo.add(info); 6385 } 6386 } 6387 } 6388 } 6389 } 6390 6391 @Override 6392 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6393 int uid, int flags) { 6394 final int userId = processName != null ? UserHandle.getUserId(uid) 6395 : UserHandle.getCallingUserId(); 6396 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6397 flags = updateFlagsForComponent(flags, userId, processName); 6398 6399 ArrayList<ProviderInfo> finalList = null; 6400 // reader 6401 synchronized (mPackages) { 6402 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6403 while (i.hasNext()) { 6404 final PackageParser.Provider p = i.next(); 6405 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6406 if (ps != null && p.info.authority != null 6407 && (processName == null 6408 || (p.info.processName.equals(processName) 6409 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6410 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6411 if (finalList == null) { 6412 finalList = new ArrayList<ProviderInfo>(3); 6413 } 6414 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6415 ps.readUserState(userId), userId); 6416 if (info != null) { 6417 finalList.add(info); 6418 } 6419 } 6420 } 6421 } 6422 6423 if (finalList != null) { 6424 Collections.sort(finalList, mProviderInitOrderSorter); 6425 return new ParceledListSlice<ProviderInfo>(finalList); 6426 } 6427 6428 return ParceledListSlice.emptyList(); 6429 } 6430 6431 @Override 6432 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6433 // reader 6434 synchronized (mPackages) { 6435 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6436 return PackageParser.generateInstrumentationInfo(i, flags); 6437 } 6438 } 6439 6440 @Override 6441 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6442 String targetPackage, int flags) { 6443 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6444 } 6445 6446 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6447 int flags) { 6448 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6449 6450 // reader 6451 synchronized (mPackages) { 6452 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6453 while (i.hasNext()) { 6454 final PackageParser.Instrumentation p = i.next(); 6455 if (targetPackage == null 6456 || targetPackage.equals(p.info.targetPackage)) { 6457 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6458 flags); 6459 if (ii != null) { 6460 finalList.add(ii); 6461 } 6462 } 6463 } 6464 } 6465 6466 return finalList; 6467 } 6468 6469 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6470 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6471 if (overlays == null) { 6472 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6473 return; 6474 } 6475 for (PackageParser.Package opkg : overlays.values()) { 6476 // Not much to do if idmap fails: we already logged the error 6477 // and we certainly don't want to abort installation of pkg simply 6478 // because an overlay didn't fit properly. For these reasons, 6479 // ignore the return value of createIdmapForPackagePairLI. 6480 createIdmapForPackagePairLI(pkg, opkg); 6481 } 6482 } 6483 6484 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6485 PackageParser.Package opkg) { 6486 if (!opkg.mTrustedOverlay) { 6487 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6488 opkg.baseCodePath + ": overlay not trusted"); 6489 return false; 6490 } 6491 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6492 if (overlaySet == null) { 6493 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6494 opkg.baseCodePath + " but target package has no known overlays"); 6495 return false; 6496 } 6497 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6498 // TODO: generate idmap for split APKs 6499 try { 6500 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6501 } catch (InstallerException e) { 6502 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6503 + opkg.baseCodePath); 6504 return false; 6505 } 6506 PackageParser.Package[] overlayArray = 6507 overlaySet.values().toArray(new PackageParser.Package[0]); 6508 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6509 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6510 return p1.mOverlayPriority - p2.mOverlayPriority; 6511 } 6512 }; 6513 Arrays.sort(overlayArray, cmp); 6514 6515 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6516 int i = 0; 6517 for (PackageParser.Package p : overlayArray) { 6518 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6519 } 6520 return true; 6521 } 6522 6523 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6524 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6525 try { 6526 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6527 } finally { 6528 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6529 } 6530 } 6531 6532 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6533 final File[] files = dir.listFiles(); 6534 if (ArrayUtils.isEmpty(files)) { 6535 Log.d(TAG, "No files in app dir " + dir); 6536 return; 6537 } 6538 6539 if (DEBUG_PACKAGE_SCANNING) { 6540 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6541 + " flags=0x" + Integer.toHexString(parseFlags)); 6542 } 6543 6544 for (File file : files) { 6545 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6546 && !PackageInstallerService.isStageName(file.getName()); 6547 if (!isPackage) { 6548 // Ignore entries which are not packages 6549 continue; 6550 } 6551 try { 6552 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6553 scanFlags, currentTime, null); 6554 } catch (PackageManagerException e) { 6555 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6556 6557 // Delete invalid userdata apps 6558 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6559 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6560 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6561 removeCodePathLI(file); 6562 } 6563 } 6564 } 6565 } 6566 6567 private static File getSettingsProblemFile() { 6568 File dataDir = Environment.getDataDirectory(); 6569 File systemDir = new File(dataDir, "system"); 6570 File fname = new File(systemDir, "uiderrors.txt"); 6571 return fname; 6572 } 6573 6574 static void reportSettingsProblem(int priority, String msg) { 6575 logCriticalInfo(priority, msg); 6576 } 6577 6578 static void logCriticalInfo(int priority, String msg) { 6579 Slog.println(priority, TAG, msg); 6580 EventLogTags.writePmCriticalInfo(msg); 6581 try { 6582 File fname = getSettingsProblemFile(); 6583 FileOutputStream out = new FileOutputStream(fname, true); 6584 PrintWriter pw = new FastPrintWriter(out); 6585 SimpleDateFormat formatter = new SimpleDateFormat(); 6586 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6587 pw.println(dateString + ": " + msg); 6588 pw.close(); 6589 FileUtils.setPermissions( 6590 fname.toString(), 6591 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6592 -1, -1); 6593 } catch (java.io.IOException e) { 6594 } 6595 } 6596 6597 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6598 final int policyFlags) throws PackageManagerException { 6599 if (ps != null 6600 && ps.codePath.equals(srcFile) 6601 && ps.timeStamp == srcFile.lastModified() 6602 && !isCompatSignatureUpdateNeeded(pkg) 6603 && !isRecoverSignatureUpdateNeeded(pkg)) { 6604 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6605 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6606 ArraySet<PublicKey> signingKs; 6607 synchronized (mPackages) { 6608 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6609 } 6610 if (ps.signatures.mSignatures != null 6611 && ps.signatures.mSignatures.length != 0 6612 && signingKs != null) { 6613 // Optimization: reuse the existing cached certificates 6614 // if the package appears to be unchanged. 6615 pkg.mSignatures = ps.signatures.mSignatures; 6616 pkg.mSigningKeys = signingKs; 6617 return; 6618 } 6619 6620 Slog.w(TAG, "PackageSetting for " + ps.name 6621 + " is missing signatures. Collecting certs again to recover them."); 6622 } else { 6623 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6624 } 6625 6626 try { 6627 PackageParser.collectCertificates(pkg, policyFlags); 6628 } catch (PackageParserException e) { 6629 throw PackageManagerException.from(e); 6630 } 6631 } 6632 6633 /** 6634 * Traces a package scan. 6635 * @see #scanPackageLI(File, int, int, long, UserHandle) 6636 */ 6637 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6638 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6639 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6640 try { 6641 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6642 } finally { 6643 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6644 } 6645 } 6646 6647 /** 6648 * Scans a package and returns the newly parsed package. 6649 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6650 */ 6651 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6652 long currentTime, UserHandle user) throws PackageManagerException { 6653 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6654 PackageParser pp = new PackageParser(); 6655 pp.setSeparateProcesses(mSeparateProcesses); 6656 pp.setOnlyCoreApps(mOnlyCore); 6657 pp.setDisplayMetrics(mMetrics); 6658 6659 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6660 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6661 } 6662 6663 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6664 final PackageParser.Package pkg; 6665 try { 6666 pkg = pp.parsePackage(scanFile, parseFlags); 6667 } catch (PackageParserException e) { 6668 throw PackageManagerException.from(e); 6669 } finally { 6670 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6671 } 6672 6673 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6674 } 6675 6676 /** 6677 * Scans a package and returns the newly parsed package. 6678 * @throws PackageManagerException on a parse error. 6679 */ 6680 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6681 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6682 throws PackageManagerException { 6683 // If the package has children and this is the first dive in the function 6684 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6685 // packages (parent and children) would be successfully scanned before the 6686 // actual scan since scanning mutates internal state and we want to atomically 6687 // install the package and its children. 6688 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6689 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6690 scanFlags |= SCAN_CHECK_ONLY; 6691 } 6692 } else { 6693 scanFlags &= ~SCAN_CHECK_ONLY; 6694 } 6695 6696 // Scan the parent 6697 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6698 scanFlags, currentTime, user); 6699 6700 // Scan the children 6701 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6702 for (int i = 0; i < childCount; i++) { 6703 PackageParser.Package childPackage = pkg.childPackages.get(i); 6704 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6705 currentTime, user); 6706 } 6707 6708 6709 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6710 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6711 } 6712 6713 return scannedPkg; 6714 } 6715 6716 /** 6717 * Scans a package and returns the newly parsed package. 6718 * @throws PackageManagerException on a parse error. 6719 */ 6720 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6721 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6722 throws PackageManagerException { 6723 PackageSetting ps = null; 6724 PackageSetting updatedPkg; 6725 // reader 6726 synchronized (mPackages) { 6727 // Look to see if we already know about this package. 6728 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6729 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6730 // This package has been renamed to its original name. Let's 6731 // use that. 6732 ps = mSettings.peekPackageLPr(oldName); 6733 } 6734 // If there was no original package, see one for the real package name. 6735 if (ps == null) { 6736 ps = mSettings.peekPackageLPr(pkg.packageName); 6737 } 6738 // Check to see if this package could be hiding/updating a system 6739 // package. Must look for it either under the original or real 6740 // package name depending on our state. 6741 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6742 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6743 6744 // If this is a package we don't know about on the system partition, we 6745 // may need to remove disabled child packages on the system partition 6746 // or may need to not add child packages if the parent apk is updated 6747 // on the data partition and no longer defines this child package. 6748 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6749 // If this is a parent package for an updated system app and this system 6750 // app got an OTA update which no longer defines some of the child packages 6751 // we have to prune them from the disabled system packages. 6752 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6753 if (disabledPs != null) { 6754 final int scannedChildCount = (pkg.childPackages != null) 6755 ? pkg.childPackages.size() : 0; 6756 final int disabledChildCount = disabledPs.childPackageNames != null 6757 ? disabledPs.childPackageNames.size() : 0; 6758 for (int i = 0; i < disabledChildCount; i++) { 6759 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6760 boolean disabledPackageAvailable = false; 6761 for (int j = 0; j < scannedChildCount; j++) { 6762 PackageParser.Package childPkg = pkg.childPackages.get(j); 6763 if (childPkg.packageName.equals(disabledChildPackageName)) { 6764 disabledPackageAvailable = true; 6765 break; 6766 } 6767 } 6768 if (!disabledPackageAvailable) { 6769 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6770 } 6771 } 6772 } 6773 } 6774 } 6775 6776 boolean updatedPkgBetter = false; 6777 // First check if this is a system package that may involve an update 6778 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6779 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6780 // it needs to drop FLAG_PRIVILEGED. 6781 if (locationIsPrivileged(scanFile)) { 6782 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6783 } else { 6784 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6785 } 6786 6787 if (ps != null && !ps.codePath.equals(scanFile)) { 6788 // The path has changed from what was last scanned... check the 6789 // version of the new path against what we have stored to determine 6790 // what to do. 6791 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6792 if (pkg.mVersionCode <= ps.versionCode) { 6793 // The system package has been updated and the code path does not match 6794 // Ignore entry. Skip it. 6795 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6796 + " ignored: updated version " + ps.versionCode 6797 + " better than this " + pkg.mVersionCode); 6798 if (!updatedPkg.codePath.equals(scanFile)) { 6799 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6800 + ps.name + " changing from " + updatedPkg.codePathString 6801 + " to " + scanFile); 6802 updatedPkg.codePath = scanFile; 6803 updatedPkg.codePathString = scanFile.toString(); 6804 updatedPkg.resourcePath = scanFile; 6805 updatedPkg.resourcePathString = scanFile.toString(); 6806 } 6807 updatedPkg.pkg = pkg; 6808 updatedPkg.versionCode = pkg.mVersionCode; 6809 6810 // Update the disabled system child packages to point to the package too. 6811 final int childCount = updatedPkg.childPackageNames != null 6812 ? updatedPkg.childPackageNames.size() : 0; 6813 for (int i = 0; i < childCount; i++) { 6814 String childPackageName = updatedPkg.childPackageNames.get(i); 6815 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6816 childPackageName); 6817 if (updatedChildPkg != null) { 6818 updatedChildPkg.pkg = pkg; 6819 updatedChildPkg.versionCode = pkg.mVersionCode; 6820 } 6821 } 6822 6823 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6824 + scanFile + " ignored: updated version " + ps.versionCode 6825 + " better than this " + pkg.mVersionCode); 6826 } else { 6827 // The current app on the system partition is better than 6828 // what we have updated to on the data partition; switch 6829 // back to the system partition version. 6830 // At this point, its safely assumed that package installation for 6831 // apps in system partition will go through. If not there won't be a working 6832 // version of the app 6833 // writer 6834 synchronized (mPackages) { 6835 // Just remove the loaded entries from package lists. 6836 mPackages.remove(ps.name); 6837 } 6838 6839 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6840 + " reverting from " + ps.codePathString 6841 + ": new version " + pkg.mVersionCode 6842 + " better than installed " + ps.versionCode); 6843 6844 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6845 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6846 synchronized (mInstallLock) { 6847 args.cleanUpResourcesLI(); 6848 } 6849 synchronized (mPackages) { 6850 mSettings.enableSystemPackageLPw(ps.name); 6851 } 6852 updatedPkgBetter = true; 6853 } 6854 } 6855 } 6856 6857 if (updatedPkg != null) { 6858 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6859 // initially 6860 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6861 6862 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6863 // flag set initially 6864 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6865 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6866 } 6867 } 6868 6869 // Verify certificates against what was last scanned 6870 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6871 6872 /* 6873 * A new system app appeared, but we already had a non-system one of the 6874 * same name installed earlier. 6875 */ 6876 boolean shouldHideSystemApp = false; 6877 if (updatedPkg == null && ps != null 6878 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6879 /* 6880 * Check to make sure the signatures match first. If they don't, 6881 * wipe the installed application and its data. 6882 */ 6883 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6884 != PackageManager.SIGNATURE_MATCH) { 6885 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6886 + " signatures don't match existing userdata copy; removing"); 6887 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6888 "scanPackageInternalLI")) { 6889 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6890 } 6891 ps = null; 6892 } else { 6893 /* 6894 * If the newly-added system app is an older version than the 6895 * already installed version, hide it. It will be scanned later 6896 * and re-added like an update. 6897 */ 6898 if (pkg.mVersionCode <= ps.versionCode) { 6899 shouldHideSystemApp = true; 6900 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6901 + " but new version " + pkg.mVersionCode + " better than installed " 6902 + ps.versionCode + "; hiding system"); 6903 } else { 6904 /* 6905 * The newly found system app is a newer version that the 6906 * one previously installed. Simply remove the 6907 * already-installed application and replace it with our own 6908 * while keeping the application data. 6909 */ 6910 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6911 + " reverting from " + ps.codePathString + ": new version " 6912 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6913 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6914 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6915 synchronized (mInstallLock) { 6916 args.cleanUpResourcesLI(); 6917 } 6918 } 6919 } 6920 } 6921 6922 // The apk is forward locked (not public) if its code and resources 6923 // are kept in different files. (except for app in either system or 6924 // vendor path). 6925 // TODO grab this value from PackageSettings 6926 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6927 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6928 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6929 } 6930 } 6931 6932 // TODO: extend to support forward-locked splits 6933 String resourcePath = null; 6934 String baseResourcePath = null; 6935 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6936 if (ps != null && ps.resourcePathString != null) { 6937 resourcePath = ps.resourcePathString; 6938 baseResourcePath = ps.resourcePathString; 6939 } else { 6940 // Should not happen at all. Just log an error. 6941 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6942 } 6943 } else { 6944 resourcePath = pkg.codePath; 6945 baseResourcePath = pkg.baseCodePath; 6946 } 6947 6948 // Set application objects path explicitly. 6949 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6950 pkg.setApplicationInfoCodePath(pkg.codePath); 6951 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6952 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6953 pkg.setApplicationInfoResourcePath(resourcePath); 6954 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6955 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6956 6957 // Note that we invoke the following method only if we are about to unpack an application 6958 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 6959 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6960 6961 /* 6962 * If the system app should be overridden by a previously installed 6963 * data, hide the system app now and let the /data/app scan pick it up 6964 * again. 6965 */ 6966 if (shouldHideSystemApp) { 6967 synchronized (mPackages) { 6968 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6969 } 6970 } 6971 6972 return scannedPkg; 6973 } 6974 6975 private static String fixProcessName(String defProcessName, 6976 String processName, int uid) { 6977 if (processName == null) { 6978 return defProcessName; 6979 } 6980 return processName; 6981 } 6982 6983 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6984 throws PackageManagerException { 6985 if (pkgSetting.signatures.mSignatures != null) { 6986 // Already existing package. Make sure signatures match 6987 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6988 == PackageManager.SIGNATURE_MATCH; 6989 if (!match) { 6990 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6991 == PackageManager.SIGNATURE_MATCH; 6992 } 6993 if (!match) { 6994 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6995 == PackageManager.SIGNATURE_MATCH; 6996 } 6997 if (!match) { 6998 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6999 + pkg.packageName + " signatures do not match the " 7000 + "previously installed version; ignoring!"); 7001 } 7002 } 7003 7004 // Check for shared user signatures 7005 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7006 // Already existing package. Make sure signatures match 7007 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7008 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7009 if (!match) { 7010 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7011 == PackageManager.SIGNATURE_MATCH; 7012 } 7013 if (!match) { 7014 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7015 == PackageManager.SIGNATURE_MATCH; 7016 } 7017 if (!match) { 7018 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7019 "Package " + pkg.packageName 7020 + " has no signatures that match those in shared user " 7021 + pkgSetting.sharedUser.name + "; ignoring!"); 7022 } 7023 } 7024 } 7025 7026 /** 7027 * Enforces that only the system UID or root's UID can call a method exposed 7028 * via Binder. 7029 * 7030 * @param message used as message if SecurityException is thrown 7031 * @throws SecurityException if the caller is not system or root 7032 */ 7033 private static final void enforceSystemOrRoot(String message) { 7034 final int uid = Binder.getCallingUid(); 7035 if (uid != Process.SYSTEM_UID && uid != 0) { 7036 throw new SecurityException(message); 7037 } 7038 } 7039 7040 @Override 7041 public void performFstrimIfNeeded() { 7042 enforceSystemOrRoot("Only the system can request fstrim"); 7043 7044 // Before everything else, see whether we need to fstrim. 7045 try { 7046 IMountService ms = PackageHelper.getMountService(); 7047 if (ms != null) { 7048 final boolean isUpgrade = isUpgrade(); 7049 boolean doTrim = isUpgrade; 7050 if (doTrim) { 7051 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7052 } else { 7053 final long interval = android.provider.Settings.Global.getLong( 7054 mContext.getContentResolver(), 7055 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7056 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7057 if (interval > 0) { 7058 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7059 if (timeSinceLast > interval) { 7060 doTrim = true; 7061 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7062 + "; running immediately"); 7063 } 7064 } 7065 } 7066 if (doTrim) { 7067 if (!isFirstBoot()) { 7068 try { 7069 ActivityManagerNative.getDefault().showBootMessage( 7070 mContext.getResources().getString( 7071 R.string.android_upgrading_fstrim), true); 7072 } catch (RemoteException e) { 7073 } 7074 } 7075 ms.runMaintenance(); 7076 } 7077 } else { 7078 Slog.e(TAG, "Mount service unavailable!"); 7079 } 7080 } catch (RemoteException e) { 7081 // Can't happen; MountService is local 7082 } 7083 } 7084 7085 @Override 7086 public void updatePackagesIfNeeded() { 7087 enforceSystemOrRoot("Only the system can request package update"); 7088 7089 // We need to re-extract after an OTA. 7090 boolean causeUpgrade = isUpgrade(); 7091 7092 // First boot or factory reset. 7093 // Note: we also handle devices that are upgrading to N right now as if it is their 7094 // first boot, as they do not have profile data. 7095 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7096 7097 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7098 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7099 7100 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7101 return; 7102 } 7103 7104 List<PackageParser.Package> pkgs; 7105 synchronized (mPackages) { 7106 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7107 } 7108 7109 final long startTime = System.nanoTime(); 7110 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7111 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7112 7113 final int elapsedTimeSeconds = 7114 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7115 7116 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7117 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7118 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7119 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7120 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7121 } 7122 7123 /** 7124 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7125 * containing statistics about the invocation. The array consists of three elements, 7126 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7127 * and {@code numberOfPackagesFailed}. 7128 */ 7129 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7130 String compilerFilter) { 7131 7132 int numberOfPackagesVisited = 0; 7133 int numberOfPackagesOptimized = 0; 7134 int numberOfPackagesSkipped = 0; 7135 int numberOfPackagesFailed = 0; 7136 final int numberOfPackagesToDexopt = pkgs.size(); 7137 7138 for (PackageParser.Package pkg : pkgs) { 7139 numberOfPackagesVisited++; 7140 7141 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7142 if (DEBUG_DEXOPT) { 7143 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7144 } 7145 numberOfPackagesSkipped++; 7146 continue; 7147 } 7148 7149 if (DEBUG_DEXOPT) { 7150 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7151 numberOfPackagesToDexopt + ": " + pkg.packageName); 7152 } 7153 7154 if (showDialog) { 7155 try { 7156 ActivityManagerNative.getDefault().showBootMessage( 7157 mContext.getResources().getString(R.string.android_upgrading_apk, 7158 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7159 } catch (RemoteException e) { 7160 } 7161 } 7162 7163 // If the OTA updates a system app which was previously preopted to a non-preopted state 7164 // the app might end up being verified at runtime. That's because by default the apps 7165 // are verify-profile but for preopted apps there's no profile. 7166 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7167 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7168 // filter (by default interpret-only). 7169 // Note that at this stage unused apps are already filtered. 7170 if (isSystemApp(pkg) && 7171 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7172 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7173 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7174 } 7175 7176 // checkProfiles is false to avoid merging profiles during boot which 7177 // might interfere with background compilation (b/28612421). 7178 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7179 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7180 // trade-off worth doing to save boot time work. 7181 int dexOptStatus = performDexOptTraced(pkg.packageName, 7182 false /* checkProfiles */, 7183 compilerFilter, 7184 false /* force */); 7185 switch (dexOptStatus) { 7186 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7187 numberOfPackagesOptimized++; 7188 break; 7189 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7190 numberOfPackagesSkipped++; 7191 break; 7192 case PackageDexOptimizer.DEX_OPT_FAILED: 7193 numberOfPackagesFailed++; 7194 break; 7195 default: 7196 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7197 break; 7198 } 7199 } 7200 7201 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7202 numberOfPackagesFailed }; 7203 } 7204 7205 @Override 7206 public void notifyPackageUse(String packageName, int reason) { 7207 synchronized (mPackages) { 7208 PackageParser.Package p = mPackages.get(packageName); 7209 if (p == null) { 7210 return; 7211 } 7212 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7213 } 7214 } 7215 7216 // TODO: this is not used nor needed. Delete it. 7217 @Override 7218 public boolean performDexOptIfNeeded(String packageName) { 7219 int dexOptStatus = performDexOptTraced(packageName, 7220 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7221 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7222 } 7223 7224 @Override 7225 public boolean performDexOpt(String packageName, 7226 boolean checkProfiles, int compileReason, boolean force) { 7227 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7228 getCompilerFilterForReason(compileReason), force); 7229 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7230 } 7231 7232 @Override 7233 public boolean performDexOptMode(String packageName, 7234 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7235 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7236 targetCompilerFilter, force); 7237 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7238 } 7239 7240 private int performDexOptTraced(String packageName, 7241 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7242 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7243 try { 7244 return performDexOptInternal(packageName, checkProfiles, 7245 targetCompilerFilter, force); 7246 } finally { 7247 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7248 } 7249 } 7250 7251 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7252 // if the package can now be considered up to date for the given filter. 7253 private int performDexOptInternal(String packageName, 7254 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7255 PackageParser.Package p; 7256 synchronized (mPackages) { 7257 p = mPackages.get(packageName); 7258 if (p == null) { 7259 // Package could not be found. Report failure. 7260 return PackageDexOptimizer.DEX_OPT_FAILED; 7261 } 7262 mPackageUsage.maybeWriteAsync(mPackages); 7263 mCompilerStats.maybeWriteAsync(); 7264 } 7265 long callingId = Binder.clearCallingIdentity(); 7266 try { 7267 synchronized (mInstallLock) { 7268 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7269 targetCompilerFilter, force); 7270 } 7271 } finally { 7272 Binder.restoreCallingIdentity(callingId); 7273 } 7274 } 7275 7276 public ArraySet<String> getOptimizablePackages() { 7277 ArraySet<String> pkgs = new ArraySet<String>(); 7278 synchronized (mPackages) { 7279 for (PackageParser.Package p : mPackages.values()) { 7280 if (PackageDexOptimizer.canOptimizePackage(p)) { 7281 pkgs.add(p.packageName); 7282 } 7283 } 7284 } 7285 return pkgs; 7286 } 7287 7288 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7289 boolean checkProfiles, String targetCompilerFilter, 7290 boolean force) { 7291 // Select the dex optimizer based on the force parameter. 7292 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7293 // allocate an object here. 7294 PackageDexOptimizer pdo = force 7295 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7296 : mPackageDexOptimizer; 7297 7298 // Optimize all dependencies first. Note: we ignore the return value and march on 7299 // on errors. 7300 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7301 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7302 if (!deps.isEmpty()) { 7303 for (PackageParser.Package depPackage : deps) { 7304 // TODO: Analyze and investigate if we (should) profile libraries. 7305 // Currently this will do a full compilation of the library by default. 7306 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7307 false /* checkProfiles */, 7308 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7309 getOrCreateCompilerPackageStats(depPackage)); 7310 } 7311 } 7312 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7313 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7314 } 7315 7316 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7317 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7318 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7319 Set<String> collectedNames = new HashSet<>(); 7320 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7321 7322 retValue.remove(p); 7323 7324 return retValue; 7325 } else { 7326 return Collections.emptyList(); 7327 } 7328 } 7329 7330 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7331 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7332 if (!collectedNames.contains(p.packageName)) { 7333 collectedNames.add(p.packageName); 7334 collected.add(p); 7335 7336 if (p.usesLibraries != null) { 7337 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7338 } 7339 if (p.usesOptionalLibraries != null) { 7340 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7341 collectedNames); 7342 } 7343 } 7344 } 7345 7346 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7347 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7348 for (String libName : libs) { 7349 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7350 if (libPkg != null) { 7351 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7352 } 7353 } 7354 } 7355 7356 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7357 synchronized (mPackages) { 7358 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7359 if (lib != null && lib.apk != null) { 7360 return mPackages.get(lib.apk); 7361 } 7362 } 7363 return null; 7364 } 7365 7366 public void shutdown() { 7367 mPackageUsage.writeNow(mPackages); 7368 mCompilerStats.writeNow(); 7369 } 7370 7371 @Override 7372 public void dumpProfiles(String packageName) { 7373 PackageParser.Package pkg; 7374 synchronized (mPackages) { 7375 pkg = mPackages.get(packageName); 7376 if (pkg == null) { 7377 throw new IllegalArgumentException("Unknown package: " + packageName); 7378 } 7379 } 7380 /* Only the shell, root, or the app user should be able to dump profiles. */ 7381 int callingUid = Binder.getCallingUid(); 7382 if (callingUid != Process.SHELL_UID && 7383 callingUid != Process.ROOT_UID && 7384 callingUid != pkg.applicationInfo.uid) { 7385 throw new SecurityException("dumpProfiles"); 7386 } 7387 7388 synchronized (mInstallLock) { 7389 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7390 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7391 try { 7392 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7393 String gid = Integer.toString(sharedGid); 7394 String codePaths = TextUtils.join(";", allCodePaths); 7395 mInstaller.dumpProfiles(gid, packageName, codePaths); 7396 } catch (InstallerException e) { 7397 Slog.w(TAG, "Failed to dump profiles", e); 7398 } 7399 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7400 } 7401 } 7402 7403 @Override 7404 public void forceDexOpt(String packageName) { 7405 enforceSystemOrRoot("forceDexOpt"); 7406 7407 PackageParser.Package pkg; 7408 synchronized (mPackages) { 7409 pkg = mPackages.get(packageName); 7410 if (pkg == null) { 7411 throw new IllegalArgumentException("Unknown package: " + packageName); 7412 } 7413 } 7414 7415 synchronized (mInstallLock) { 7416 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7417 7418 // Whoever is calling forceDexOpt wants a fully compiled package. 7419 // Don't use profiles since that may cause compilation to be skipped. 7420 final int res = performDexOptInternalWithDependenciesLI(pkg, 7421 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7422 true /* force */); 7423 7424 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7425 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7426 throw new IllegalStateException("Failed to dexopt: " + res); 7427 } 7428 } 7429 } 7430 7431 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7432 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7433 Slog.w(TAG, "Unable to update from " + oldPkg.name 7434 + " to " + newPkg.packageName 7435 + ": old package not in system partition"); 7436 return false; 7437 } else if (mPackages.get(oldPkg.name) != null) { 7438 Slog.w(TAG, "Unable to update from " + oldPkg.name 7439 + " to " + newPkg.packageName 7440 + ": old package still exists"); 7441 return false; 7442 } 7443 return true; 7444 } 7445 7446 void removeCodePathLI(File codePath) { 7447 if (codePath.isDirectory()) { 7448 try { 7449 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7450 } catch (InstallerException e) { 7451 Slog.w(TAG, "Failed to remove code path", e); 7452 } 7453 } else { 7454 codePath.delete(); 7455 } 7456 } 7457 7458 private int[] resolveUserIds(int userId) { 7459 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7460 } 7461 7462 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7463 if (pkg == null) { 7464 Slog.wtf(TAG, "Package was null!", new Throwable()); 7465 return; 7466 } 7467 clearAppDataLeafLIF(pkg, userId, flags); 7468 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7469 for (int i = 0; i < childCount; i++) { 7470 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7471 } 7472 } 7473 7474 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7475 final PackageSetting ps; 7476 synchronized (mPackages) { 7477 ps = mSettings.mPackages.get(pkg.packageName); 7478 } 7479 for (int realUserId : resolveUserIds(userId)) { 7480 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7481 try { 7482 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7483 ceDataInode); 7484 } catch (InstallerException e) { 7485 Slog.w(TAG, String.valueOf(e)); 7486 } 7487 } 7488 } 7489 7490 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7491 if (pkg == null) { 7492 Slog.wtf(TAG, "Package was null!", new Throwable()); 7493 return; 7494 } 7495 destroyAppDataLeafLIF(pkg, userId, flags); 7496 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7497 for (int i = 0; i < childCount; i++) { 7498 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7499 } 7500 } 7501 7502 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7503 final PackageSetting ps; 7504 synchronized (mPackages) { 7505 ps = mSettings.mPackages.get(pkg.packageName); 7506 } 7507 for (int realUserId : resolveUserIds(userId)) { 7508 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7509 try { 7510 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7511 ceDataInode); 7512 } catch (InstallerException e) { 7513 Slog.w(TAG, String.valueOf(e)); 7514 } 7515 } 7516 } 7517 7518 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7519 if (pkg == null) { 7520 Slog.wtf(TAG, "Package was null!", new Throwable()); 7521 return; 7522 } 7523 destroyAppProfilesLeafLIF(pkg); 7524 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7525 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7526 for (int i = 0; i < childCount; i++) { 7527 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7528 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7529 true /* removeBaseMarker */); 7530 } 7531 } 7532 7533 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7534 boolean removeBaseMarker) { 7535 if (pkg.isForwardLocked()) { 7536 return; 7537 } 7538 7539 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7540 try { 7541 path = PackageManagerServiceUtils.realpath(new File(path)); 7542 } catch (IOException e) { 7543 // TODO: Should we return early here ? 7544 Slog.w(TAG, "Failed to get canonical path", e); 7545 continue; 7546 } 7547 7548 final String useMarker = path.replace('/', '@'); 7549 for (int realUserId : resolveUserIds(userId)) { 7550 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7551 if (removeBaseMarker) { 7552 File foreignUseMark = new File(profileDir, useMarker); 7553 if (foreignUseMark.exists()) { 7554 if (!foreignUseMark.delete()) { 7555 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7556 + pkg.packageName); 7557 } 7558 } 7559 } 7560 7561 File[] markers = profileDir.listFiles(); 7562 if (markers != null) { 7563 final String searchString = "@" + pkg.packageName + "@"; 7564 // We also delete all markers that contain the package name we're 7565 // uninstalling. These are associated with secondary dex-files belonging 7566 // to the package. Reconstructing the path of these dex files is messy 7567 // in general. 7568 for (File marker : markers) { 7569 if (marker.getName().indexOf(searchString) > 0) { 7570 if (!marker.delete()) { 7571 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7572 + pkg.packageName); 7573 } 7574 } 7575 } 7576 } 7577 } 7578 } 7579 } 7580 7581 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7582 try { 7583 mInstaller.destroyAppProfiles(pkg.packageName); 7584 } catch (InstallerException e) { 7585 Slog.w(TAG, String.valueOf(e)); 7586 } 7587 } 7588 7589 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7590 if (pkg == null) { 7591 Slog.wtf(TAG, "Package was null!", new Throwable()); 7592 return; 7593 } 7594 clearAppProfilesLeafLIF(pkg); 7595 // We don't remove the base foreign use marker when clearing profiles because 7596 // we will rename it when the app is updated. Unlike the actual profile contents, 7597 // the foreign use marker is good across installs. 7598 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7599 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7600 for (int i = 0; i < childCount; i++) { 7601 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7602 } 7603 } 7604 7605 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7606 try { 7607 mInstaller.clearAppProfiles(pkg.packageName); 7608 } catch (InstallerException e) { 7609 Slog.w(TAG, String.valueOf(e)); 7610 } 7611 } 7612 7613 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7614 long lastUpdateTime) { 7615 // Set parent install/update time 7616 PackageSetting ps = (PackageSetting) pkg.mExtras; 7617 if (ps != null) { 7618 ps.firstInstallTime = firstInstallTime; 7619 ps.lastUpdateTime = lastUpdateTime; 7620 } 7621 // Set children install/update time 7622 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7623 for (int i = 0; i < childCount; i++) { 7624 PackageParser.Package childPkg = pkg.childPackages.get(i); 7625 ps = (PackageSetting) childPkg.mExtras; 7626 if (ps != null) { 7627 ps.firstInstallTime = firstInstallTime; 7628 ps.lastUpdateTime = lastUpdateTime; 7629 } 7630 } 7631 } 7632 7633 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7634 PackageParser.Package changingLib) { 7635 if (file.path != null) { 7636 usesLibraryFiles.add(file.path); 7637 return; 7638 } 7639 PackageParser.Package p = mPackages.get(file.apk); 7640 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7641 // If we are doing this while in the middle of updating a library apk, 7642 // then we need to make sure to use that new apk for determining the 7643 // dependencies here. (We haven't yet finished committing the new apk 7644 // to the package manager state.) 7645 if (p == null || p.packageName.equals(changingLib.packageName)) { 7646 p = changingLib; 7647 } 7648 } 7649 if (p != null) { 7650 usesLibraryFiles.addAll(p.getAllCodePaths()); 7651 } 7652 } 7653 7654 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7655 PackageParser.Package changingLib) throws PackageManagerException { 7656 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7657 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7658 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7659 for (int i=0; i<N; i++) { 7660 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7661 if (file == null) { 7662 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7663 "Package " + pkg.packageName + " requires unavailable shared library " 7664 + pkg.usesLibraries.get(i) + "; failing!"); 7665 } 7666 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7667 } 7668 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7669 for (int i=0; i<N; i++) { 7670 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7671 if (file == null) { 7672 Slog.w(TAG, "Package " + pkg.packageName 7673 + " desires unavailable shared library " 7674 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7675 } else { 7676 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7677 } 7678 } 7679 N = usesLibraryFiles.size(); 7680 if (N > 0) { 7681 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7682 } else { 7683 pkg.usesLibraryFiles = null; 7684 } 7685 } 7686 } 7687 7688 private static boolean hasString(List<String> list, List<String> which) { 7689 if (list == null) { 7690 return false; 7691 } 7692 for (int i=list.size()-1; i>=0; i--) { 7693 for (int j=which.size()-1; j>=0; j--) { 7694 if (which.get(j).equals(list.get(i))) { 7695 return true; 7696 } 7697 } 7698 } 7699 return false; 7700 } 7701 7702 private void updateAllSharedLibrariesLPw() { 7703 for (PackageParser.Package pkg : mPackages.values()) { 7704 try { 7705 updateSharedLibrariesLPw(pkg, null); 7706 } catch (PackageManagerException e) { 7707 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7708 } 7709 } 7710 } 7711 7712 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7713 PackageParser.Package changingPkg) { 7714 ArrayList<PackageParser.Package> res = null; 7715 for (PackageParser.Package pkg : mPackages.values()) { 7716 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7717 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7718 if (res == null) { 7719 res = new ArrayList<PackageParser.Package>(); 7720 } 7721 res.add(pkg); 7722 try { 7723 updateSharedLibrariesLPw(pkg, changingPkg); 7724 } catch (PackageManagerException e) { 7725 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7726 } 7727 } 7728 } 7729 return res; 7730 } 7731 7732 /** 7733 * Derive the value of the {@code cpuAbiOverride} based on the provided 7734 * value and an optional stored value from the package settings. 7735 */ 7736 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7737 String cpuAbiOverride = null; 7738 7739 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7740 cpuAbiOverride = null; 7741 } else if (abiOverride != null) { 7742 cpuAbiOverride = abiOverride; 7743 } else if (settings != null) { 7744 cpuAbiOverride = settings.cpuAbiOverrideString; 7745 } 7746 7747 return cpuAbiOverride; 7748 } 7749 7750 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7751 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7752 throws PackageManagerException { 7753 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7754 // If the package has children and this is the first dive in the function 7755 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7756 // whether all packages (parent and children) would be successfully scanned 7757 // before the actual scan since scanning mutates internal state and we want 7758 // to atomically install the package and its children. 7759 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7760 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7761 scanFlags |= SCAN_CHECK_ONLY; 7762 } 7763 } else { 7764 scanFlags &= ~SCAN_CHECK_ONLY; 7765 } 7766 7767 final PackageParser.Package scannedPkg; 7768 try { 7769 // Scan the parent 7770 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7771 // Scan the children 7772 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7773 for (int i = 0; i < childCount; i++) { 7774 PackageParser.Package childPkg = pkg.childPackages.get(i); 7775 scanPackageLI(childPkg, policyFlags, 7776 scanFlags, currentTime, user); 7777 } 7778 } finally { 7779 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7780 } 7781 7782 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7783 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7784 } 7785 7786 return scannedPkg; 7787 } 7788 7789 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7790 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7791 boolean success = false; 7792 try { 7793 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7794 currentTime, user); 7795 success = true; 7796 return res; 7797 } finally { 7798 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7799 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7800 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7801 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7802 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7803 } 7804 } 7805 } 7806 7807 /** 7808 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7809 */ 7810 private static boolean apkHasCode(String fileName) { 7811 StrictJarFile jarFile = null; 7812 try { 7813 jarFile = new StrictJarFile(fileName, 7814 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7815 return jarFile.findEntry("classes.dex") != null; 7816 } catch (IOException ignore) { 7817 } finally { 7818 try { 7819 jarFile.close(); 7820 } catch (IOException ignore) {} 7821 } 7822 return false; 7823 } 7824 7825 /** 7826 * Enforces code policy for the package. This ensures that if an APK has 7827 * declared hasCode="true" in its manifest that the APK actually contains 7828 * code. 7829 * 7830 * @throws PackageManagerException If bytecode could not be found when it should exist 7831 */ 7832 private static void enforceCodePolicy(PackageParser.Package pkg) 7833 throws PackageManagerException { 7834 final boolean shouldHaveCode = 7835 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7836 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7837 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7838 "Package " + pkg.baseCodePath + " code is missing"); 7839 } 7840 7841 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7842 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7843 final boolean splitShouldHaveCode = 7844 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7845 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7846 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7847 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7848 } 7849 } 7850 } 7851 } 7852 7853 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7854 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7855 throws PackageManagerException { 7856 final File scanFile = new File(pkg.codePath); 7857 if (pkg.applicationInfo.getCodePath() == null || 7858 pkg.applicationInfo.getResourcePath() == null) { 7859 // Bail out. The resource and code paths haven't been set. 7860 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7861 "Code and resource paths haven't been set correctly"); 7862 } 7863 7864 // Apply policy 7865 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7866 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7867 if (pkg.applicationInfo.isDirectBootAware()) { 7868 // we're direct boot aware; set for all components 7869 for (PackageParser.Service s : pkg.services) { 7870 s.info.encryptionAware = s.info.directBootAware = true; 7871 } 7872 for (PackageParser.Provider p : pkg.providers) { 7873 p.info.encryptionAware = p.info.directBootAware = true; 7874 } 7875 for (PackageParser.Activity a : pkg.activities) { 7876 a.info.encryptionAware = a.info.directBootAware = true; 7877 } 7878 for (PackageParser.Activity r : pkg.receivers) { 7879 r.info.encryptionAware = r.info.directBootAware = true; 7880 } 7881 } 7882 } else { 7883 // Only allow system apps to be flagged as core apps. 7884 pkg.coreApp = false; 7885 // clear flags not applicable to regular apps 7886 pkg.applicationInfo.privateFlags &= 7887 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7888 pkg.applicationInfo.privateFlags &= 7889 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7890 } 7891 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7892 7893 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7894 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7895 } 7896 7897 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7898 enforceCodePolicy(pkg); 7899 } 7900 7901 if (mCustomResolverComponentName != null && 7902 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7903 setUpCustomResolverActivity(pkg); 7904 } 7905 7906 if (pkg.packageName.equals("android")) { 7907 synchronized (mPackages) { 7908 if (mAndroidApplication != null) { 7909 Slog.w(TAG, "*************************************************"); 7910 Slog.w(TAG, "Core android package being redefined. Skipping."); 7911 Slog.w(TAG, " file=" + scanFile); 7912 Slog.w(TAG, "*************************************************"); 7913 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7914 "Core android package being redefined. Skipping."); 7915 } 7916 7917 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7918 // Set up information for our fall-back user intent resolution activity. 7919 mPlatformPackage = pkg; 7920 pkg.mVersionCode = mSdkVersion; 7921 mAndroidApplication = pkg.applicationInfo; 7922 7923 if (!mResolverReplaced) { 7924 mResolveActivity.applicationInfo = mAndroidApplication; 7925 mResolveActivity.name = ResolverActivity.class.getName(); 7926 mResolveActivity.packageName = mAndroidApplication.packageName; 7927 mResolveActivity.processName = "system:ui"; 7928 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7929 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7930 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7931 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7932 mResolveActivity.exported = true; 7933 mResolveActivity.enabled = true; 7934 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7935 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7936 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7937 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7938 | ActivityInfo.CONFIG_ORIENTATION 7939 | ActivityInfo.CONFIG_KEYBOARD 7940 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7941 mResolveInfo.activityInfo = mResolveActivity; 7942 mResolveInfo.priority = 0; 7943 mResolveInfo.preferredOrder = 0; 7944 mResolveInfo.match = 0; 7945 mResolveComponentName = new ComponentName( 7946 mAndroidApplication.packageName, mResolveActivity.name); 7947 } 7948 } 7949 } 7950 } 7951 7952 if (DEBUG_PACKAGE_SCANNING) { 7953 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7954 Log.d(TAG, "Scanning package " + pkg.packageName); 7955 } 7956 7957 synchronized (mPackages) { 7958 if (mPackages.containsKey(pkg.packageName) 7959 || mSharedLibraries.containsKey(pkg.packageName)) { 7960 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7961 "Application package " + pkg.packageName 7962 + " already installed. Skipping duplicate."); 7963 } 7964 7965 // If we're only installing presumed-existing packages, require that the 7966 // scanned APK is both already known and at the path previously established 7967 // for it. Previously unknown packages we pick up normally, but if we have an 7968 // a priori expectation about this package's install presence, enforce it. 7969 // With a singular exception for new system packages. When an OTA contains 7970 // a new system package, we allow the codepath to change from a system location 7971 // to the user-installed location. If we don't allow this change, any newer, 7972 // user-installed version of the application will be ignored. 7973 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7974 if (mExpectingBetter.containsKey(pkg.packageName)) { 7975 logCriticalInfo(Log.WARN, 7976 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7977 } else { 7978 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7979 if (known != null) { 7980 if (DEBUG_PACKAGE_SCANNING) { 7981 Log.d(TAG, "Examining " + pkg.codePath 7982 + " and requiring known paths " + known.codePathString 7983 + " & " + known.resourcePathString); 7984 } 7985 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7986 || !pkg.applicationInfo.getResourcePath().equals( 7987 known.resourcePathString)) { 7988 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7989 "Application package " + pkg.packageName 7990 + " found at " + pkg.applicationInfo.getCodePath() 7991 + " but expected at " + known.codePathString 7992 + "; ignoring."); 7993 } 7994 } 7995 } 7996 } 7997 } 7998 7999 // Initialize package source and resource directories 8000 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8001 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8002 8003 SharedUserSetting suid = null; 8004 PackageSetting pkgSetting = null; 8005 8006 if (!isSystemApp(pkg)) { 8007 // Only system apps can use these features. 8008 pkg.mOriginalPackages = null; 8009 pkg.mRealPackage = null; 8010 pkg.mAdoptPermissions = null; 8011 } 8012 8013 // Getting the package setting may have a side-effect, so if we 8014 // are only checking if scan would succeed, stash a copy of the 8015 // old setting to restore at the end. 8016 PackageSetting nonMutatedPs = null; 8017 8018 // writer 8019 synchronized (mPackages) { 8020 if (pkg.mSharedUserId != null) { 8021 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8022 if (suid == null) { 8023 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8024 "Creating application package " + pkg.packageName 8025 + " for shared user failed"); 8026 } 8027 if (DEBUG_PACKAGE_SCANNING) { 8028 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8029 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8030 + "): packages=" + suid.packages); 8031 } 8032 } 8033 8034 // Check if we are renaming from an original package name. 8035 PackageSetting origPackage = null; 8036 String realName = null; 8037 if (pkg.mOriginalPackages != null) { 8038 // This package may need to be renamed to a previously 8039 // installed name. Let's check on that... 8040 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8041 if (pkg.mOriginalPackages.contains(renamed)) { 8042 // This package had originally been installed as the 8043 // original name, and we have already taken care of 8044 // transitioning to the new one. Just update the new 8045 // one to continue using the old name. 8046 realName = pkg.mRealPackage; 8047 if (!pkg.packageName.equals(renamed)) { 8048 // Callers into this function may have already taken 8049 // care of renaming the package; only do it here if 8050 // it is not already done. 8051 pkg.setPackageName(renamed); 8052 } 8053 8054 } else { 8055 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8056 if ((origPackage = mSettings.peekPackageLPr( 8057 pkg.mOriginalPackages.get(i))) != null) { 8058 // We do have the package already installed under its 8059 // original name... should we use it? 8060 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8061 // New package is not compatible with original. 8062 origPackage = null; 8063 continue; 8064 } else if (origPackage.sharedUser != null) { 8065 // Make sure uid is compatible between packages. 8066 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8067 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8068 + " to " + pkg.packageName + ": old uid " 8069 + origPackage.sharedUser.name 8070 + " differs from " + pkg.mSharedUserId); 8071 origPackage = null; 8072 continue; 8073 } 8074 // TODO: Add case when shared user id is added [b/28144775] 8075 } else { 8076 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8077 + pkg.packageName + " to old name " + origPackage.name); 8078 } 8079 break; 8080 } 8081 } 8082 } 8083 } 8084 8085 if (mTransferedPackages.contains(pkg.packageName)) { 8086 Slog.w(TAG, "Package " + pkg.packageName 8087 + " was transferred to another, but its .apk remains"); 8088 } 8089 8090 // See comments in nonMutatedPs declaration 8091 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8092 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8093 if (foundPs != null) { 8094 nonMutatedPs = new PackageSetting(foundPs); 8095 } 8096 } 8097 8098 // Just create the setting, don't add it yet. For already existing packages 8099 // the PkgSetting exists already and doesn't have to be created. 8100 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8101 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8102 pkg.applicationInfo.primaryCpuAbi, 8103 pkg.applicationInfo.secondaryCpuAbi, 8104 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8105 user, false); 8106 if (pkgSetting == null) { 8107 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8108 "Creating application package " + pkg.packageName + " failed"); 8109 } 8110 8111 if (pkgSetting.origPackage != null) { 8112 // If we are first transitioning from an original package, 8113 // fix up the new package's name now. We need to do this after 8114 // looking up the package under its new name, so getPackageLP 8115 // can take care of fiddling things correctly. 8116 pkg.setPackageName(origPackage.name); 8117 8118 // File a report about this. 8119 String msg = "New package " + pkgSetting.realName 8120 + " renamed to replace old package " + pkgSetting.name; 8121 reportSettingsProblem(Log.WARN, msg); 8122 8123 // Make a note of it. 8124 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8125 mTransferedPackages.add(origPackage.name); 8126 } 8127 8128 // No longer need to retain this. 8129 pkgSetting.origPackage = null; 8130 } 8131 8132 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8133 // Make a note of it. 8134 mTransferedPackages.add(pkg.packageName); 8135 } 8136 8137 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8138 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8139 } 8140 8141 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8142 // Check all shared libraries and map to their actual file path. 8143 // We only do this here for apps not on a system dir, because those 8144 // are the only ones that can fail an install due to this. We 8145 // will take care of the system apps by updating all of their 8146 // library paths after the scan is done. 8147 updateSharedLibrariesLPw(pkg, null); 8148 } 8149 8150 if (mFoundPolicyFile) { 8151 SELinuxMMAC.assignSeinfoValue(pkg); 8152 } 8153 8154 pkg.applicationInfo.uid = pkgSetting.appId; 8155 pkg.mExtras = pkgSetting; 8156 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8157 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8158 // We just determined the app is signed correctly, so bring 8159 // over the latest parsed certs. 8160 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8161 } else { 8162 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8163 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8164 "Package " + pkg.packageName + " upgrade keys do not match the " 8165 + "previously installed version"); 8166 } else { 8167 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8168 String msg = "System package " + pkg.packageName 8169 + " signature changed; retaining data."; 8170 reportSettingsProblem(Log.WARN, msg); 8171 } 8172 } 8173 } else { 8174 try { 8175 verifySignaturesLP(pkgSetting, pkg); 8176 // We just determined the app is signed correctly, so bring 8177 // over the latest parsed certs. 8178 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8179 } catch (PackageManagerException e) { 8180 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8181 throw e; 8182 } 8183 // The signature has changed, but this package is in the system 8184 // image... let's recover! 8185 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8186 // However... if this package is part of a shared user, but it 8187 // doesn't match the signature of the shared user, let's fail. 8188 // What this means is that you can't change the signatures 8189 // associated with an overall shared user, which doesn't seem all 8190 // that unreasonable. 8191 if (pkgSetting.sharedUser != null) { 8192 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8193 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8194 throw new PackageManagerException( 8195 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8196 "Signature mismatch for shared user: " 8197 + pkgSetting.sharedUser); 8198 } 8199 } 8200 // File a report about this. 8201 String msg = "System package " + pkg.packageName 8202 + " signature changed; retaining data."; 8203 reportSettingsProblem(Log.WARN, msg); 8204 } 8205 } 8206 // Verify that this new package doesn't have any content providers 8207 // that conflict with existing packages. Only do this if the 8208 // package isn't already installed, since we don't want to break 8209 // things that are installed. 8210 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8211 final int N = pkg.providers.size(); 8212 int i; 8213 for (i=0; i<N; i++) { 8214 PackageParser.Provider p = pkg.providers.get(i); 8215 if (p.info.authority != null) { 8216 String names[] = p.info.authority.split(";"); 8217 for (int j = 0; j < names.length; j++) { 8218 if (mProvidersByAuthority.containsKey(names[j])) { 8219 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8220 final String otherPackageName = 8221 ((other != null && other.getComponentName() != null) ? 8222 other.getComponentName().getPackageName() : "?"); 8223 throw new PackageManagerException( 8224 INSTALL_FAILED_CONFLICTING_PROVIDER, 8225 "Can't install because provider name " + names[j] 8226 + " (in package " + pkg.applicationInfo.packageName 8227 + ") is already used by " + otherPackageName); 8228 } 8229 } 8230 } 8231 } 8232 } 8233 8234 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8235 // This package wants to adopt ownership of permissions from 8236 // another package. 8237 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8238 final String origName = pkg.mAdoptPermissions.get(i); 8239 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8240 if (orig != null) { 8241 if (verifyPackageUpdateLPr(orig, pkg)) { 8242 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8243 + pkg.packageName); 8244 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8245 } 8246 } 8247 } 8248 } 8249 } 8250 8251 final String pkgName = pkg.packageName; 8252 8253 final long scanFileTime = scanFile.lastModified(); 8254 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8255 pkg.applicationInfo.processName = fixProcessName( 8256 pkg.applicationInfo.packageName, 8257 pkg.applicationInfo.processName, 8258 pkg.applicationInfo.uid); 8259 8260 if (pkg != mPlatformPackage) { 8261 // Get all of our default paths setup 8262 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8263 } 8264 8265 final String path = scanFile.getPath(); 8266 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8267 8268 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8269 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8270 8271 // Some system apps still use directory structure for native libraries 8272 // in which case we might end up not detecting abi solely based on apk 8273 // structure. Try to detect abi based on directory structure. 8274 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8275 pkg.applicationInfo.primaryCpuAbi == null) { 8276 setBundledAppAbisAndRoots(pkg, pkgSetting); 8277 setNativeLibraryPaths(pkg); 8278 } 8279 8280 } else { 8281 if ((scanFlags & SCAN_MOVE) != 0) { 8282 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8283 // but we already have this packages package info in the PackageSetting. We just 8284 // use that and derive the native library path based on the new codepath. 8285 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8286 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8287 } 8288 8289 // Set native library paths again. For moves, the path will be updated based on the 8290 // ABIs we've determined above. For non-moves, the path will be updated based on the 8291 // ABIs we determined during compilation, but the path will depend on the final 8292 // package path (after the rename away from the stage path). 8293 setNativeLibraryPaths(pkg); 8294 } 8295 8296 // This is a special case for the "system" package, where the ABI is 8297 // dictated by the zygote configuration (and init.rc). We should keep track 8298 // of this ABI so that we can deal with "normal" applications that run under 8299 // the same UID correctly. 8300 if (mPlatformPackage == pkg) { 8301 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8302 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8303 } 8304 8305 // If there's a mismatch between the abi-override in the package setting 8306 // and the abiOverride specified for the install. Warn about this because we 8307 // would've already compiled the app without taking the package setting into 8308 // account. 8309 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8310 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8311 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8312 " for package " + pkg.packageName); 8313 } 8314 } 8315 8316 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8317 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8318 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8319 8320 // Copy the derived override back to the parsed package, so that we can 8321 // update the package settings accordingly. 8322 pkg.cpuAbiOverride = cpuAbiOverride; 8323 8324 if (DEBUG_ABI_SELECTION) { 8325 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8326 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8327 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8328 } 8329 8330 // Push the derived path down into PackageSettings so we know what to 8331 // clean up at uninstall time. 8332 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8333 8334 if (DEBUG_ABI_SELECTION) { 8335 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8336 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8337 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8338 } 8339 8340 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8341 // We don't do this here during boot because we can do it all 8342 // at once after scanning all existing packages. 8343 // 8344 // We also do this *before* we perform dexopt on this package, so that 8345 // we can avoid redundant dexopts, and also to make sure we've got the 8346 // code and package path correct. 8347 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8348 pkg, true /* boot complete */); 8349 } 8350 8351 if (mFactoryTest && pkg.requestedPermissions.contains( 8352 android.Manifest.permission.FACTORY_TEST)) { 8353 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8354 } 8355 8356 ArrayList<PackageParser.Package> clientLibPkgs = null; 8357 8358 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8359 if (nonMutatedPs != null) { 8360 synchronized (mPackages) { 8361 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8362 } 8363 } 8364 return pkg; 8365 } 8366 8367 // Only privileged apps and updated privileged apps can add child packages. 8368 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8369 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8370 throw new PackageManagerException("Only privileged apps and updated " 8371 + "privileged apps can add child packages. Ignoring package " 8372 + pkg.packageName); 8373 } 8374 final int childCount = pkg.childPackages.size(); 8375 for (int i = 0; i < childCount; i++) { 8376 PackageParser.Package childPkg = pkg.childPackages.get(i); 8377 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8378 childPkg.packageName)) { 8379 throw new PackageManagerException("Cannot override a child package of " 8380 + "another disabled system app. Ignoring package " + pkg.packageName); 8381 } 8382 } 8383 } 8384 8385 // writer 8386 synchronized (mPackages) { 8387 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8388 // Only system apps can add new shared libraries. 8389 if (pkg.libraryNames != null) { 8390 for (int i=0; i<pkg.libraryNames.size(); i++) { 8391 String name = pkg.libraryNames.get(i); 8392 boolean allowed = false; 8393 if (pkg.isUpdatedSystemApp()) { 8394 // New library entries can only be added through the 8395 // system image. This is important to get rid of a lot 8396 // of nasty edge cases: for example if we allowed a non- 8397 // system update of the app to add a library, then uninstalling 8398 // the update would make the library go away, and assumptions 8399 // we made such as through app install filtering would now 8400 // have allowed apps on the device which aren't compatible 8401 // with it. Better to just have the restriction here, be 8402 // conservative, and create many fewer cases that can negatively 8403 // impact the user experience. 8404 final PackageSetting sysPs = mSettings 8405 .getDisabledSystemPkgLPr(pkg.packageName); 8406 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8407 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8408 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8409 allowed = true; 8410 break; 8411 } 8412 } 8413 } 8414 } else { 8415 allowed = true; 8416 } 8417 if (allowed) { 8418 if (!mSharedLibraries.containsKey(name)) { 8419 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8420 } else if (!name.equals(pkg.packageName)) { 8421 Slog.w(TAG, "Package " + pkg.packageName + " library " 8422 + name + " already exists; skipping"); 8423 } 8424 } else { 8425 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8426 + name + " that is not declared on system image; skipping"); 8427 } 8428 } 8429 if ((scanFlags & SCAN_BOOTING) == 0) { 8430 // If we are not booting, we need to update any applications 8431 // that are clients of our shared library. If we are booting, 8432 // this will all be done once the scan is complete. 8433 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8434 } 8435 } 8436 } 8437 } 8438 8439 if ((scanFlags & SCAN_BOOTING) != 0) { 8440 // No apps can run during boot scan, so they don't need to be frozen 8441 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8442 // Caller asked to not kill app, so it's probably not frozen 8443 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8444 // Caller asked us to ignore frozen check for some reason; they 8445 // probably didn't know the package name 8446 } else { 8447 // We're doing major surgery on this package, so it better be frozen 8448 // right now to keep it from launching 8449 checkPackageFrozen(pkgName); 8450 } 8451 8452 // Also need to kill any apps that are dependent on the library. 8453 if (clientLibPkgs != null) { 8454 for (int i=0; i<clientLibPkgs.size(); i++) { 8455 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8456 killApplication(clientPkg.applicationInfo.packageName, 8457 clientPkg.applicationInfo.uid, "update lib"); 8458 } 8459 } 8460 8461 // Make sure we're not adding any bogus keyset info 8462 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8463 ksms.assertScannedPackageValid(pkg); 8464 8465 // writer 8466 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8467 8468 boolean createIdmapFailed = false; 8469 synchronized (mPackages) { 8470 // We don't expect installation to fail beyond this point 8471 8472 if (pkgSetting.pkg != null) { 8473 // Note that |user| might be null during the initial boot scan. If a codePath 8474 // for an app has changed during a boot scan, it's due to an app update that's 8475 // part of the system partition and marker changes must be applied to all users. 8476 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8477 (user != null) ? user : UserHandle.ALL); 8478 } 8479 8480 // Add the new setting to mSettings 8481 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8482 // Add the new setting to mPackages 8483 mPackages.put(pkg.applicationInfo.packageName, pkg); 8484 // Make sure we don't accidentally delete its data. 8485 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8486 while (iter.hasNext()) { 8487 PackageCleanItem item = iter.next(); 8488 if (pkgName.equals(item.packageName)) { 8489 iter.remove(); 8490 } 8491 } 8492 8493 // Take care of first install / last update times. 8494 if (currentTime != 0) { 8495 if (pkgSetting.firstInstallTime == 0) { 8496 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8497 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8498 pkgSetting.lastUpdateTime = currentTime; 8499 } 8500 } else if (pkgSetting.firstInstallTime == 0) { 8501 // We need *something*. Take time time stamp of the file. 8502 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8503 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8504 if (scanFileTime != pkgSetting.timeStamp) { 8505 // A package on the system image has changed; consider this 8506 // to be an update. 8507 pkgSetting.lastUpdateTime = scanFileTime; 8508 } 8509 } 8510 8511 // Add the package's KeySets to the global KeySetManagerService 8512 ksms.addScannedPackageLPw(pkg); 8513 8514 int N = pkg.providers.size(); 8515 StringBuilder r = null; 8516 int i; 8517 for (i=0; i<N; i++) { 8518 PackageParser.Provider p = pkg.providers.get(i); 8519 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8520 p.info.processName, pkg.applicationInfo.uid); 8521 mProviders.addProvider(p); 8522 p.syncable = p.info.isSyncable; 8523 if (p.info.authority != null) { 8524 String names[] = p.info.authority.split(";"); 8525 p.info.authority = null; 8526 for (int j = 0; j < names.length; j++) { 8527 if (j == 1 && p.syncable) { 8528 // We only want the first authority for a provider to possibly be 8529 // syncable, so if we already added this provider using a different 8530 // authority clear the syncable flag. We copy the provider before 8531 // changing it because the mProviders object contains a reference 8532 // to a provider that we don't want to change. 8533 // Only do this for the second authority since the resulting provider 8534 // object can be the same for all future authorities for this provider. 8535 p = new PackageParser.Provider(p); 8536 p.syncable = false; 8537 } 8538 if (!mProvidersByAuthority.containsKey(names[j])) { 8539 mProvidersByAuthority.put(names[j], p); 8540 if (p.info.authority == null) { 8541 p.info.authority = names[j]; 8542 } else { 8543 p.info.authority = p.info.authority + ";" + names[j]; 8544 } 8545 if (DEBUG_PACKAGE_SCANNING) { 8546 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8547 Log.d(TAG, "Registered content provider: " + names[j] 8548 + ", className = " + p.info.name + ", isSyncable = " 8549 + p.info.isSyncable); 8550 } 8551 } else { 8552 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8553 Slog.w(TAG, "Skipping provider name " + names[j] + 8554 " (in package " + pkg.applicationInfo.packageName + 8555 "): name already used by " 8556 + ((other != null && other.getComponentName() != null) 8557 ? other.getComponentName().getPackageName() : "?")); 8558 } 8559 } 8560 } 8561 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8562 if (r == null) { 8563 r = new StringBuilder(256); 8564 } else { 8565 r.append(' '); 8566 } 8567 r.append(p.info.name); 8568 } 8569 } 8570 if (r != null) { 8571 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8572 } 8573 8574 N = pkg.services.size(); 8575 r = null; 8576 for (i=0; i<N; i++) { 8577 PackageParser.Service s = pkg.services.get(i); 8578 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8579 s.info.processName, pkg.applicationInfo.uid); 8580 mServices.addService(s); 8581 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8582 if (r == null) { 8583 r = new StringBuilder(256); 8584 } else { 8585 r.append(' '); 8586 } 8587 r.append(s.info.name); 8588 } 8589 } 8590 if (r != null) { 8591 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8592 } 8593 8594 N = pkg.receivers.size(); 8595 r = null; 8596 for (i=0; i<N; i++) { 8597 PackageParser.Activity a = pkg.receivers.get(i); 8598 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8599 a.info.processName, pkg.applicationInfo.uid); 8600 mReceivers.addActivity(a, "receiver"); 8601 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8602 if (r == null) { 8603 r = new StringBuilder(256); 8604 } else { 8605 r.append(' '); 8606 } 8607 r.append(a.info.name); 8608 } 8609 } 8610 if (r != null) { 8611 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8612 } 8613 8614 N = pkg.activities.size(); 8615 r = null; 8616 for (i=0; i<N; i++) { 8617 PackageParser.Activity a = pkg.activities.get(i); 8618 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8619 a.info.processName, pkg.applicationInfo.uid); 8620 mActivities.addActivity(a, "activity"); 8621 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8622 if (r == null) { 8623 r = new StringBuilder(256); 8624 } else { 8625 r.append(' '); 8626 } 8627 r.append(a.info.name); 8628 } 8629 } 8630 if (r != null) { 8631 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8632 } 8633 8634 N = pkg.permissionGroups.size(); 8635 r = null; 8636 for (i=0; i<N; i++) { 8637 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8638 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8639 if (cur == null) { 8640 mPermissionGroups.put(pg.info.name, pg); 8641 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8642 if (r == null) { 8643 r = new StringBuilder(256); 8644 } else { 8645 r.append(' '); 8646 } 8647 r.append(pg.info.name); 8648 } 8649 } else { 8650 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8651 + pg.info.packageName + " ignored: original from " 8652 + cur.info.packageName); 8653 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8654 if (r == null) { 8655 r = new StringBuilder(256); 8656 } else { 8657 r.append(' '); 8658 } 8659 r.append("DUP:"); 8660 r.append(pg.info.name); 8661 } 8662 } 8663 } 8664 if (r != null) { 8665 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8666 } 8667 8668 N = pkg.permissions.size(); 8669 r = null; 8670 for (i=0; i<N; i++) { 8671 PackageParser.Permission p = pkg.permissions.get(i); 8672 8673 // Assume by default that we did not install this permission into the system. 8674 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8675 8676 // Now that permission groups have a special meaning, we ignore permission 8677 // groups for legacy apps to prevent unexpected behavior. In particular, 8678 // permissions for one app being granted to someone just becase they happen 8679 // to be in a group defined by another app (before this had no implications). 8680 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8681 p.group = mPermissionGroups.get(p.info.group); 8682 // Warn for a permission in an unknown group. 8683 if (p.info.group != null && p.group == null) { 8684 Slog.w(TAG, "Permission " + p.info.name + " from package " 8685 + p.info.packageName + " in an unknown group " + p.info.group); 8686 } 8687 } 8688 8689 ArrayMap<String, BasePermission> permissionMap = 8690 p.tree ? mSettings.mPermissionTrees 8691 : mSettings.mPermissions; 8692 BasePermission bp = permissionMap.get(p.info.name); 8693 8694 // Allow system apps to redefine non-system permissions 8695 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8696 final boolean currentOwnerIsSystem = (bp.perm != null 8697 && isSystemApp(bp.perm.owner)); 8698 if (isSystemApp(p.owner)) { 8699 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8700 // It's a built-in permission and no owner, take ownership now 8701 bp.packageSetting = pkgSetting; 8702 bp.perm = p; 8703 bp.uid = pkg.applicationInfo.uid; 8704 bp.sourcePackage = p.info.packageName; 8705 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8706 } else if (!currentOwnerIsSystem) { 8707 String msg = "New decl " + p.owner + " of permission " 8708 + p.info.name + " is system; overriding " + bp.sourcePackage; 8709 reportSettingsProblem(Log.WARN, msg); 8710 bp = null; 8711 } 8712 } 8713 } 8714 8715 if (bp == null) { 8716 bp = new BasePermission(p.info.name, p.info.packageName, 8717 BasePermission.TYPE_NORMAL); 8718 permissionMap.put(p.info.name, bp); 8719 } 8720 8721 if (bp.perm == null) { 8722 if (bp.sourcePackage == null 8723 || bp.sourcePackage.equals(p.info.packageName)) { 8724 BasePermission tree = findPermissionTreeLP(p.info.name); 8725 if (tree == null 8726 || tree.sourcePackage.equals(p.info.packageName)) { 8727 bp.packageSetting = pkgSetting; 8728 bp.perm = p; 8729 bp.uid = pkg.applicationInfo.uid; 8730 bp.sourcePackage = p.info.packageName; 8731 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8732 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8733 if (r == null) { 8734 r = new StringBuilder(256); 8735 } else { 8736 r.append(' '); 8737 } 8738 r.append(p.info.name); 8739 } 8740 } else { 8741 Slog.w(TAG, "Permission " + p.info.name + " from package " 8742 + p.info.packageName + " ignored: base tree " 8743 + tree.name + " is from package " 8744 + tree.sourcePackage); 8745 } 8746 } else { 8747 Slog.w(TAG, "Permission " + p.info.name + " from package " 8748 + p.info.packageName + " ignored: original from " 8749 + bp.sourcePackage); 8750 } 8751 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8752 if (r == null) { 8753 r = new StringBuilder(256); 8754 } else { 8755 r.append(' '); 8756 } 8757 r.append("DUP:"); 8758 r.append(p.info.name); 8759 } 8760 if (bp.perm == p) { 8761 bp.protectionLevel = p.info.protectionLevel; 8762 } 8763 } 8764 8765 if (r != null) { 8766 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8767 } 8768 8769 N = pkg.instrumentation.size(); 8770 r = null; 8771 for (i=0; i<N; i++) { 8772 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8773 a.info.packageName = pkg.applicationInfo.packageName; 8774 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8775 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8776 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8777 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8778 a.info.dataDir = pkg.applicationInfo.dataDir; 8779 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8780 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8781 8782 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8783 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8784 mInstrumentation.put(a.getComponentName(), a); 8785 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8786 if (r == null) { 8787 r = new StringBuilder(256); 8788 } else { 8789 r.append(' '); 8790 } 8791 r.append(a.info.name); 8792 } 8793 } 8794 if (r != null) { 8795 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8796 } 8797 8798 if (pkg.protectedBroadcasts != null) { 8799 N = pkg.protectedBroadcasts.size(); 8800 for (i=0; i<N; i++) { 8801 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8802 } 8803 } 8804 8805 pkgSetting.setTimeStamp(scanFileTime); 8806 8807 // Create idmap files for pairs of (packages, overlay packages). 8808 // Note: "android", ie framework-res.apk, is handled by native layers. 8809 if (pkg.mOverlayTarget != null) { 8810 // This is an overlay package. 8811 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8812 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8813 mOverlays.put(pkg.mOverlayTarget, 8814 new ArrayMap<String, PackageParser.Package>()); 8815 } 8816 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8817 map.put(pkg.packageName, pkg); 8818 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8819 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8820 createIdmapFailed = true; 8821 } 8822 } 8823 } else if (mOverlays.containsKey(pkg.packageName) && 8824 !pkg.packageName.equals("android")) { 8825 // This is a regular package, with one or more known overlay packages. 8826 createIdmapsForPackageLI(pkg); 8827 } 8828 } 8829 8830 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8831 8832 if (createIdmapFailed) { 8833 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8834 "scanPackageLI failed to createIdmap"); 8835 } 8836 return pkg; 8837 } 8838 8839 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8840 PackageParser.Package update, UserHandle user) { 8841 if (existing.applicationInfo == null || update.applicationInfo == null) { 8842 // This isn't due to an app installation. 8843 return; 8844 } 8845 8846 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8847 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8848 8849 // The codePath hasn't changed, so there's nothing for us to do. 8850 if (Objects.equals(oldCodePath, newCodePath)) { 8851 return; 8852 } 8853 8854 File canonicalNewCodePath; 8855 try { 8856 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8857 } catch (IOException e) { 8858 Slog.w(TAG, "Failed to get canonical path.", e); 8859 return; 8860 } 8861 8862 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8863 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8864 // that the last component of the path (i.e, the name) doesn't need canonicalization 8865 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8866 // but may change in the future. Hopefully this function won't exist at that point. 8867 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8868 oldCodePath.getName()); 8869 8870 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8871 // with "@". 8872 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8873 if (!oldMarkerPrefix.endsWith("@")) { 8874 oldMarkerPrefix += "@"; 8875 } 8876 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8877 if (!newMarkerPrefix.endsWith("@")) { 8878 newMarkerPrefix += "@"; 8879 } 8880 8881 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8882 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8883 for (String updatedPath : updatedPaths) { 8884 String updatedPathName = new File(updatedPath).getName(); 8885 markerSuffixes.add(updatedPathName.replace('/', '@')); 8886 } 8887 8888 for (int userId : resolveUserIds(user.getIdentifier())) { 8889 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8890 8891 for (String markerSuffix : markerSuffixes) { 8892 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8893 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8894 if (oldForeignUseMark.exists()) { 8895 try { 8896 Os.rename(oldForeignUseMark.getAbsolutePath(), 8897 newForeignUseMark.getAbsolutePath()); 8898 } catch (ErrnoException e) { 8899 Slog.w(TAG, "Failed to rename foreign use marker", e); 8900 oldForeignUseMark.delete(); 8901 } 8902 } 8903 } 8904 } 8905 } 8906 8907 /** 8908 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8909 * is derived purely on the basis of the contents of {@code scanFile} and 8910 * {@code cpuAbiOverride}. 8911 * 8912 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8913 */ 8914 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8915 String cpuAbiOverride, boolean extractLibs) 8916 throws PackageManagerException { 8917 // TODO: We can probably be smarter about this stuff. For installed apps, 8918 // we can calculate this information at install time once and for all. For 8919 // system apps, we can probably assume that this information doesn't change 8920 // after the first boot scan. As things stand, we do lots of unnecessary work. 8921 8922 // Give ourselves some initial paths; we'll come back for another 8923 // pass once we've determined ABI below. 8924 setNativeLibraryPaths(pkg); 8925 8926 // We would never need to extract libs for forward-locked and external packages, 8927 // since the container service will do it for us. We shouldn't attempt to 8928 // extract libs from system app when it was not updated. 8929 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8930 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8931 extractLibs = false; 8932 } 8933 8934 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8935 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8936 8937 NativeLibraryHelper.Handle handle = null; 8938 try { 8939 handle = NativeLibraryHelper.Handle.create(pkg); 8940 // TODO(multiArch): This can be null for apps that didn't go through the 8941 // usual installation process. We can calculate it again, like we 8942 // do during install time. 8943 // 8944 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8945 // unnecessary. 8946 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8947 8948 // Null out the abis so that they can be recalculated. 8949 pkg.applicationInfo.primaryCpuAbi = null; 8950 pkg.applicationInfo.secondaryCpuAbi = null; 8951 if (isMultiArch(pkg.applicationInfo)) { 8952 // Warn if we've set an abiOverride for multi-lib packages.. 8953 // By definition, we need to copy both 32 and 64 bit libraries for 8954 // such packages. 8955 if (pkg.cpuAbiOverride != null 8956 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8957 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8958 } 8959 8960 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8961 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8962 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8963 if (extractLibs) { 8964 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8965 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8966 useIsaSpecificSubdirs); 8967 } else { 8968 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8969 } 8970 } 8971 8972 maybeThrowExceptionForMultiArchCopy( 8973 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8974 8975 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8976 if (extractLibs) { 8977 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8978 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8979 useIsaSpecificSubdirs); 8980 } else { 8981 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8982 } 8983 } 8984 8985 maybeThrowExceptionForMultiArchCopy( 8986 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8987 8988 if (abi64 >= 0) { 8989 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8990 } 8991 8992 if (abi32 >= 0) { 8993 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8994 if (abi64 >= 0) { 8995 if (pkg.use32bitAbi) { 8996 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8997 pkg.applicationInfo.primaryCpuAbi = abi; 8998 } else { 8999 pkg.applicationInfo.secondaryCpuAbi = abi; 9000 } 9001 } else { 9002 pkg.applicationInfo.primaryCpuAbi = abi; 9003 } 9004 } 9005 9006 } else { 9007 String[] abiList = (cpuAbiOverride != null) ? 9008 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9009 9010 // Enable gross and lame hacks for apps that are built with old 9011 // SDK tools. We must scan their APKs for renderscript bitcode and 9012 // not launch them if it's present. Don't bother checking on devices 9013 // that don't have 64 bit support. 9014 boolean needsRenderScriptOverride = false; 9015 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9016 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9017 abiList = Build.SUPPORTED_32_BIT_ABIS; 9018 needsRenderScriptOverride = true; 9019 } 9020 9021 final int copyRet; 9022 if (extractLibs) { 9023 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9024 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9025 } else { 9026 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9027 } 9028 9029 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9030 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9031 "Error unpackaging native libs for app, errorCode=" + copyRet); 9032 } 9033 9034 if (copyRet >= 0) { 9035 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9036 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9037 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9038 } else if (needsRenderScriptOverride) { 9039 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9040 } 9041 } 9042 } catch (IOException ioe) { 9043 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9044 } finally { 9045 IoUtils.closeQuietly(handle); 9046 } 9047 9048 // Now that we've calculated the ABIs and determined if it's an internal app, 9049 // we will go ahead and populate the nativeLibraryPath. 9050 setNativeLibraryPaths(pkg); 9051 } 9052 9053 /** 9054 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9055 * i.e, so that all packages can be run inside a single process if required. 9056 * 9057 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9058 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9059 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9060 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9061 * updating a package that belongs to a shared user. 9062 * 9063 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9064 * adds unnecessary complexity. 9065 */ 9066 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9067 PackageParser.Package scannedPackage, boolean bootComplete) { 9068 String requiredInstructionSet = null; 9069 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9070 requiredInstructionSet = VMRuntime.getInstructionSet( 9071 scannedPackage.applicationInfo.primaryCpuAbi); 9072 } 9073 9074 PackageSetting requirer = null; 9075 for (PackageSetting ps : packagesForUser) { 9076 // If packagesForUser contains scannedPackage, we skip it. This will happen 9077 // when scannedPackage is an update of an existing package. Without this check, 9078 // we will never be able to change the ABI of any package belonging to a shared 9079 // user, even if it's compatible with other packages. 9080 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9081 if (ps.primaryCpuAbiString == null) { 9082 continue; 9083 } 9084 9085 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9086 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9087 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9088 // this but there's not much we can do. 9089 String errorMessage = "Instruction set mismatch, " 9090 + ((requirer == null) ? "[caller]" : requirer) 9091 + " requires " + requiredInstructionSet + " whereas " + ps 9092 + " requires " + instructionSet; 9093 Slog.w(TAG, errorMessage); 9094 } 9095 9096 if (requiredInstructionSet == null) { 9097 requiredInstructionSet = instructionSet; 9098 requirer = ps; 9099 } 9100 } 9101 } 9102 9103 if (requiredInstructionSet != null) { 9104 String adjustedAbi; 9105 if (requirer != null) { 9106 // requirer != null implies that either scannedPackage was null or that scannedPackage 9107 // did not require an ABI, in which case we have to adjust scannedPackage to match 9108 // the ABI of the set (which is the same as requirer's ABI) 9109 adjustedAbi = requirer.primaryCpuAbiString; 9110 if (scannedPackage != null) { 9111 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9112 } 9113 } else { 9114 // requirer == null implies that we're updating all ABIs in the set to 9115 // match scannedPackage. 9116 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9117 } 9118 9119 for (PackageSetting ps : packagesForUser) { 9120 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9121 if (ps.primaryCpuAbiString != null) { 9122 continue; 9123 } 9124 9125 ps.primaryCpuAbiString = adjustedAbi; 9126 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9127 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9128 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9129 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9130 + " (requirer=" 9131 + (requirer == null ? "null" : requirer.pkg.packageName) 9132 + ", scannedPackage=" 9133 + (scannedPackage != null ? scannedPackage.packageName : "null") 9134 + ")"); 9135 try { 9136 mInstaller.rmdex(ps.codePathString, 9137 getDexCodeInstructionSet(getPreferredInstructionSet())); 9138 } catch (InstallerException ignored) { 9139 } 9140 } 9141 } 9142 } 9143 } 9144 } 9145 9146 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9147 synchronized (mPackages) { 9148 mResolverReplaced = true; 9149 // Set up information for custom user intent resolution activity. 9150 mResolveActivity.applicationInfo = pkg.applicationInfo; 9151 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9152 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9153 mResolveActivity.processName = pkg.applicationInfo.packageName; 9154 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9155 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9156 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9157 mResolveActivity.theme = 0; 9158 mResolveActivity.exported = true; 9159 mResolveActivity.enabled = true; 9160 mResolveInfo.activityInfo = mResolveActivity; 9161 mResolveInfo.priority = 0; 9162 mResolveInfo.preferredOrder = 0; 9163 mResolveInfo.match = 0; 9164 mResolveComponentName = mCustomResolverComponentName; 9165 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9166 mResolveComponentName); 9167 } 9168 } 9169 9170 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9171 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9172 9173 // Set up information for ephemeral installer activity 9174 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9175 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9176 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9177 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9178 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9179 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9180 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9181 mEphemeralInstallerActivity.theme = 0; 9182 mEphemeralInstallerActivity.exported = true; 9183 mEphemeralInstallerActivity.enabled = true; 9184 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9185 mEphemeralInstallerInfo.priority = 0; 9186 mEphemeralInstallerInfo.preferredOrder = 0; 9187 mEphemeralInstallerInfo.match = 0; 9188 9189 if (DEBUG_EPHEMERAL) { 9190 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9191 } 9192 } 9193 9194 private static String calculateBundledApkRoot(final String codePathString) { 9195 final File codePath = new File(codePathString); 9196 final File codeRoot; 9197 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9198 codeRoot = Environment.getRootDirectory(); 9199 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9200 codeRoot = Environment.getOemDirectory(); 9201 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9202 codeRoot = Environment.getVendorDirectory(); 9203 } else { 9204 // Unrecognized code path; take its top real segment as the apk root: 9205 // e.g. /something/app/blah.apk => /something 9206 try { 9207 File f = codePath.getCanonicalFile(); 9208 File parent = f.getParentFile(); // non-null because codePath is a file 9209 File tmp; 9210 while ((tmp = parent.getParentFile()) != null) { 9211 f = parent; 9212 parent = tmp; 9213 } 9214 codeRoot = f; 9215 Slog.w(TAG, "Unrecognized code path " 9216 + codePath + " - using " + codeRoot); 9217 } catch (IOException e) { 9218 // Can't canonicalize the code path -- shenanigans? 9219 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9220 return Environment.getRootDirectory().getPath(); 9221 } 9222 } 9223 return codeRoot.getPath(); 9224 } 9225 9226 /** 9227 * Derive and set the location of native libraries for the given package, 9228 * which varies depending on where and how the package was installed. 9229 */ 9230 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9231 final ApplicationInfo info = pkg.applicationInfo; 9232 final String codePath = pkg.codePath; 9233 final File codeFile = new File(codePath); 9234 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9235 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9236 9237 info.nativeLibraryRootDir = null; 9238 info.nativeLibraryRootRequiresIsa = false; 9239 info.nativeLibraryDir = null; 9240 info.secondaryNativeLibraryDir = null; 9241 9242 if (isApkFile(codeFile)) { 9243 // Monolithic install 9244 if (bundledApp) { 9245 // If "/system/lib64/apkname" exists, assume that is the per-package 9246 // native library directory to use; otherwise use "/system/lib/apkname". 9247 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9248 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9249 getPrimaryInstructionSet(info)); 9250 9251 // This is a bundled system app so choose the path based on the ABI. 9252 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9253 // is just the default path. 9254 final String apkName = deriveCodePathName(codePath); 9255 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9256 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9257 apkName).getAbsolutePath(); 9258 9259 if (info.secondaryCpuAbi != null) { 9260 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9261 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9262 secondaryLibDir, apkName).getAbsolutePath(); 9263 } 9264 } else if (asecApp) { 9265 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9266 .getAbsolutePath(); 9267 } else { 9268 final String apkName = deriveCodePathName(codePath); 9269 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9270 .getAbsolutePath(); 9271 } 9272 9273 info.nativeLibraryRootRequiresIsa = false; 9274 info.nativeLibraryDir = info.nativeLibraryRootDir; 9275 } else { 9276 // Cluster install 9277 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9278 info.nativeLibraryRootRequiresIsa = true; 9279 9280 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9281 getPrimaryInstructionSet(info)).getAbsolutePath(); 9282 9283 if (info.secondaryCpuAbi != null) { 9284 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9285 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9286 } 9287 } 9288 } 9289 9290 /** 9291 * Calculate the abis and roots for a bundled app. These can uniquely 9292 * be determined from the contents of the system partition, i.e whether 9293 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9294 * of this information, and instead assume that the system was built 9295 * sensibly. 9296 */ 9297 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9298 PackageSetting pkgSetting) { 9299 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9300 9301 // If "/system/lib64/apkname" exists, assume that is the per-package 9302 // native library directory to use; otherwise use "/system/lib/apkname". 9303 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9304 setBundledAppAbi(pkg, apkRoot, apkName); 9305 // pkgSetting might be null during rescan following uninstall of updates 9306 // to a bundled app, so accommodate that possibility. The settings in 9307 // that case will be established later from the parsed package. 9308 // 9309 // If the settings aren't null, sync them up with what we've just derived. 9310 // note that apkRoot isn't stored in the package settings. 9311 if (pkgSetting != null) { 9312 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9313 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9314 } 9315 } 9316 9317 /** 9318 * Deduces the ABI of a bundled app and sets the relevant fields on the 9319 * parsed pkg object. 9320 * 9321 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9322 * under which system libraries are installed. 9323 * @param apkName the name of the installed package. 9324 */ 9325 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9326 final File codeFile = new File(pkg.codePath); 9327 9328 final boolean has64BitLibs; 9329 final boolean has32BitLibs; 9330 if (isApkFile(codeFile)) { 9331 // Monolithic install 9332 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9333 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9334 } else { 9335 // Cluster install 9336 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9337 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9338 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9339 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9340 has64BitLibs = (new File(rootDir, isa)).exists(); 9341 } else { 9342 has64BitLibs = false; 9343 } 9344 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9345 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9346 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9347 has32BitLibs = (new File(rootDir, isa)).exists(); 9348 } else { 9349 has32BitLibs = false; 9350 } 9351 } 9352 9353 if (has64BitLibs && !has32BitLibs) { 9354 // The package has 64 bit libs, but not 32 bit libs. Its primary 9355 // ABI should be 64 bit. We can safely assume here that the bundled 9356 // native libraries correspond to the most preferred ABI in the list. 9357 9358 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9359 pkg.applicationInfo.secondaryCpuAbi = null; 9360 } else if (has32BitLibs && !has64BitLibs) { 9361 // The package has 32 bit libs but not 64 bit libs. Its primary 9362 // ABI should be 32 bit. 9363 9364 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9365 pkg.applicationInfo.secondaryCpuAbi = null; 9366 } else if (has32BitLibs && has64BitLibs) { 9367 // The application has both 64 and 32 bit bundled libraries. We check 9368 // here that the app declares multiArch support, and warn if it doesn't. 9369 // 9370 // We will be lenient here and record both ABIs. The primary will be the 9371 // ABI that's higher on the list, i.e, a device that's configured to prefer 9372 // 64 bit apps will see a 64 bit primary ABI, 9373 9374 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9375 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9376 } 9377 9378 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9379 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9380 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9381 } else { 9382 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9383 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9384 } 9385 } else { 9386 pkg.applicationInfo.primaryCpuAbi = null; 9387 pkg.applicationInfo.secondaryCpuAbi = null; 9388 } 9389 } 9390 9391 private void killApplication(String pkgName, int appId, String reason) { 9392 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9393 } 9394 9395 private void killApplication(String pkgName, int appId, int userId, String reason) { 9396 // Request the ActivityManager to kill the process(only for existing packages) 9397 // so that we do not end up in a confused state while the user is still using the older 9398 // version of the application while the new one gets installed. 9399 final long token = Binder.clearCallingIdentity(); 9400 try { 9401 IActivityManager am = ActivityManagerNative.getDefault(); 9402 if (am != null) { 9403 try { 9404 am.killApplication(pkgName, appId, userId, reason); 9405 } catch (RemoteException e) { 9406 } 9407 } 9408 } finally { 9409 Binder.restoreCallingIdentity(token); 9410 } 9411 } 9412 9413 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9414 // Remove the parent package setting 9415 PackageSetting ps = (PackageSetting) pkg.mExtras; 9416 if (ps != null) { 9417 removePackageLI(ps, chatty); 9418 } 9419 // Remove the child package setting 9420 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9421 for (int i = 0; i < childCount; i++) { 9422 PackageParser.Package childPkg = pkg.childPackages.get(i); 9423 ps = (PackageSetting) childPkg.mExtras; 9424 if (ps != null) { 9425 removePackageLI(ps, chatty); 9426 } 9427 } 9428 } 9429 9430 void removePackageLI(PackageSetting ps, boolean chatty) { 9431 if (DEBUG_INSTALL) { 9432 if (chatty) 9433 Log.d(TAG, "Removing package " + ps.name); 9434 } 9435 9436 // writer 9437 synchronized (mPackages) { 9438 mPackages.remove(ps.name); 9439 final PackageParser.Package pkg = ps.pkg; 9440 if (pkg != null) { 9441 cleanPackageDataStructuresLILPw(pkg, chatty); 9442 } 9443 } 9444 } 9445 9446 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9447 if (DEBUG_INSTALL) { 9448 if (chatty) 9449 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9450 } 9451 9452 // writer 9453 synchronized (mPackages) { 9454 // Remove the parent package 9455 mPackages.remove(pkg.applicationInfo.packageName); 9456 cleanPackageDataStructuresLILPw(pkg, chatty); 9457 9458 // Remove the child packages 9459 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9460 for (int i = 0; i < childCount; i++) { 9461 PackageParser.Package childPkg = pkg.childPackages.get(i); 9462 mPackages.remove(childPkg.applicationInfo.packageName); 9463 cleanPackageDataStructuresLILPw(childPkg, chatty); 9464 } 9465 } 9466 } 9467 9468 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9469 int N = pkg.providers.size(); 9470 StringBuilder r = null; 9471 int i; 9472 for (i=0; i<N; i++) { 9473 PackageParser.Provider p = pkg.providers.get(i); 9474 mProviders.removeProvider(p); 9475 if (p.info.authority == null) { 9476 9477 /* There was another ContentProvider with this authority when 9478 * this app was installed so this authority is null, 9479 * Ignore it as we don't have to unregister the provider. 9480 */ 9481 continue; 9482 } 9483 String names[] = p.info.authority.split(";"); 9484 for (int j = 0; j < names.length; j++) { 9485 if (mProvidersByAuthority.get(names[j]) == p) { 9486 mProvidersByAuthority.remove(names[j]); 9487 if (DEBUG_REMOVE) { 9488 if (chatty) 9489 Log.d(TAG, "Unregistered content provider: " + names[j] 9490 + ", className = " + p.info.name + ", isSyncable = " 9491 + p.info.isSyncable); 9492 } 9493 } 9494 } 9495 if (DEBUG_REMOVE && chatty) { 9496 if (r == null) { 9497 r = new StringBuilder(256); 9498 } else { 9499 r.append(' '); 9500 } 9501 r.append(p.info.name); 9502 } 9503 } 9504 if (r != null) { 9505 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9506 } 9507 9508 N = pkg.services.size(); 9509 r = null; 9510 for (i=0; i<N; i++) { 9511 PackageParser.Service s = pkg.services.get(i); 9512 mServices.removeService(s); 9513 if (chatty) { 9514 if (r == null) { 9515 r = new StringBuilder(256); 9516 } else { 9517 r.append(' '); 9518 } 9519 r.append(s.info.name); 9520 } 9521 } 9522 if (r != null) { 9523 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9524 } 9525 9526 N = pkg.receivers.size(); 9527 r = null; 9528 for (i=0; i<N; i++) { 9529 PackageParser.Activity a = pkg.receivers.get(i); 9530 mReceivers.removeActivity(a, "receiver"); 9531 if (DEBUG_REMOVE && chatty) { 9532 if (r == null) { 9533 r = new StringBuilder(256); 9534 } else { 9535 r.append(' '); 9536 } 9537 r.append(a.info.name); 9538 } 9539 } 9540 if (r != null) { 9541 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9542 } 9543 9544 N = pkg.activities.size(); 9545 r = null; 9546 for (i=0; i<N; i++) { 9547 PackageParser.Activity a = pkg.activities.get(i); 9548 mActivities.removeActivity(a, "activity"); 9549 if (DEBUG_REMOVE && chatty) { 9550 if (r == null) { 9551 r = new StringBuilder(256); 9552 } else { 9553 r.append(' '); 9554 } 9555 r.append(a.info.name); 9556 } 9557 } 9558 if (r != null) { 9559 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9560 } 9561 9562 N = pkg.permissions.size(); 9563 r = null; 9564 for (i=0; i<N; i++) { 9565 PackageParser.Permission p = pkg.permissions.get(i); 9566 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9567 if (bp == null) { 9568 bp = mSettings.mPermissionTrees.get(p.info.name); 9569 } 9570 if (bp != null && bp.perm == p) { 9571 bp.perm = null; 9572 if (DEBUG_REMOVE && chatty) { 9573 if (r == null) { 9574 r = new StringBuilder(256); 9575 } else { 9576 r.append(' '); 9577 } 9578 r.append(p.info.name); 9579 } 9580 } 9581 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9582 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9583 if (appOpPkgs != null) { 9584 appOpPkgs.remove(pkg.packageName); 9585 } 9586 } 9587 } 9588 if (r != null) { 9589 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9590 } 9591 9592 N = pkg.requestedPermissions.size(); 9593 r = null; 9594 for (i=0; i<N; i++) { 9595 String perm = pkg.requestedPermissions.get(i); 9596 BasePermission bp = mSettings.mPermissions.get(perm); 9597 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9598 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9599 if (appOpPkgs != null) { 9600 appOpPkgs.remove(pkg.packageName); 9601 if (appOpPkgs.isEmpty()) { 9602 mAppOpPermissionPackages.remove(perm); 9603 } 9604 } 9605 } 9606 } 9607 if (r != null) { 9608 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9609 } 9610 9611 N = pkg.instrumentation.size(); 9612 r = null; 9613 for (i=0; i<N; i++) { 9614 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9615 mInstrumentation.remove(a.getComponentName()); 9616 if (DEBUG_REMOVE && chatty) { 9617 if (r == null) { 9618 r = new StringBuilder(256); 9619 } else { 9620 r.append(' '); 9621 } 9622 r.append(a.info.name); 9623 } 9624 } 9625 if (r != null) { 9626 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9627 } 9628 9629 r = null; 9630 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9631 // Only system apps can hold shared libraries. 9632 if (pkg.libraryNames != null) { 9633 for (i=0; i<pkg.libraryNames.size(); i++) { 9634 String name = pkg.libraryNames.get(i); 9635 SharedLibraryEntry cur = mSharedLibraries.get(name); 9636 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9637 mSharedLibraries.remove(name); 9638 if (DEBUG_REMOVE && chatty) { 9639 if (r == null) { 9640 r = new StringBuilder(256); 9641 } else { 9642 r.append(' '); 9643 } 9644 r.append(name); 9645 } 9646 } 9647 } 9648 } 9649 } 9650 if (r != null) { 9651 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9652 } 9653 } 9654 9655 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9656 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9657 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9658 return true; 9659 } 9660 } 9661 return false; 9662 } 9663 9664 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9665 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9666 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9667 9668 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9669 // Update the parent permissions 9670 updatePermissionsLPw(pkg.packageName, pkg, flags); 9671 // Update the child permissions 9672 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9673 for (int i = 0; i < childCount; i++) { 9674 PackageParser.Package childPkg = pkg.childPackages.get(i); 9675 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9676 } 9677 } 9678 9679 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9680 int flags) { 9681 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9682 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9683 } 9684 9685 private void updatePermissionsLPw(String changingPkg, 9686 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9687 // Make sure there are no dangling permission trees. 9688 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9689 while (it.hasNext()) { 9690 final BasePermission bp = it.next(); 9691 if (bp.packageSetting == null) { 9692 // We may not yet have parsed the package, so just see if 9693 // we still know about its settings. 9694 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9695 } 9696 if (bp.packageSetting == null) { 9697 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9698 + " from package " + bp.sourcePackage); 9699 it.remove(); 9700 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9701 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9702 Slog.i(TAG, "Removing old permission tree: " + bp.name 9703 + " from package " + bp.sourcePackage); 9704 flags |= UPDATE_PERMISSIONS_ALL; 9705 it.remove(); 9706 } 9707 } 9708 } 9709 9710 // Make sure all dynamic permissions have been assigned to a package, 9711 // and make sure there are no dangling permissions. 9712 it = mSettings.mPermissions.values().iterator(); 9713 while (it.hasNext()) { 9714 final BasePermission bp = it.next(); 9715 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9716 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9717 + bp.name + " pkg=" + bp.sourcePackage 9718 + " info=" + bp.pendingInfo); 9719 if (bp.packageSetting == null && bp.pendingInfo != null) { 9720 final BasePermission tree = findPermissionTreeLP(bp.name); 9721 if (tree != null && tree.perm != null) { 9722 bp.packageSetting = tree.packageSetting; 9723 bp.perm = new PackageParser.Permission(tree.perm.owner, 9724 new PermissionInfo(bp.pendingInfo)); 9725 bp.perm.info.packageName = tree.perm.info.packageName; 9726 bp.perm.info.name = bp.name; 9727 bp.uid = tree.uid; 9728 } 9729 } 9730 } 9731 if (bp.packageSetting == null) { 9732 // We may not yet have parsed the package, so just see if 9733 // we still know about its settings. 9734 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9735 } 9736 if (bp.packageSetting == null) { 9737 Slog.w(TAG, "Removing dangling permission: " + bp.name 9738 + " from package " + bp.sourcePackage); 9739 it.remove(); 9740 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9741 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9742 Slog.i(TAG, "Removing old permission: " + bp.name 9743 + " from package " + bp.sourcePackage); 9744 flags |= UPDATE_PERMISSIONS_ALL; 9745 it.remove(); 9746 } 9747 } 9748 } 9749 9750 // Now update the permissions for all packages, in particular 9751 // replace the granted permissions of the system packages. 9752 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9753 for (PackageParser.Package pkg : mPackages.values()) { 9754 if (pkg != pkgInfo) { 9755 // Only replace for packages on requested volume 9756 final String volumeUuid = getVolumeUuidForPackage(pkg); 9757 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9758 && Objects.equals(replaceVolumeUuid, volumeUuid); 9759 grantPermissionsLPw(pkg, replace, changingPkg); 9760 } 9761 } 9762 } 9763 9764 if (pkgInfo != null) { 9765 // Only replace for packages on requested volume 9766 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9767 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9768 && Objects.equals(replaceVolumeUuid, volumeUuid); 9769 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9770 } 9771 } 9772 9773 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9774 String packageOfInterest) { 9775 // IMPORTANT: There are two types of permissions: install and runtime. 9776 // Install time permissions are granted when the app is installed to 9777 // all device users and users added in the future. Runtime permissions 9778 // are granted at runtime explicitly to specific users. Normal and signature 9779 // protected permissions are install time permissions. Dangerous permissions 9780 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9781 // otherwise they are runtime permissions. This function does not manage 9782 // runtime permissions except for the case an app targeting Lollipop MR1 9783 // being upgraded to target a newer SDK, in which case dangerous permissions 9784 // are transformed from install time to runtime ones. 9785 9786 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9787 if (ps == null) { 9788 return; 9789 } 9790 9791 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9792 9793 PermissionsState permissionsState = ps.getPermissionsState(); 9794 PermissionsState origPermissions = permissionsState; 9795 9796 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9797 9798 boolean runtimePermissionsRevoked = false; 9799 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9800 9801 boolean changedInstallPermission = false; 9802 9803 if (replace) { 9804 ps.installPermissionsFixed = false; 9805 if (!ps.isSharedUser()) { 9806 origPermissions = new PermissionsState(permissionsState); 9807 permissionsState.reset(); 9808 } else { 9809 // We need to know only about runtime permission changes since the 9810 // calling code always writes the install permissions state but 9811 // the runtime ones are written only if changed. The only cases of 9812 // changed runtime permissions here are promotion of an install to 9813 // runtime and revocation of a runtime from a shared user. 9814 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9815 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9816 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9817 runtimePermissionsRevoked = true; 9818 } 9819 } 9820 } 9821 9822 permissionsState.setGlobalGids(mGlobalGids); 9823 9824 final int N = pkg.requestedPermissions.size(); 9825 for (int i=0; i<N; i++) { 9826 final String name = pkg.requestedPermissions.get(i); 9827 final BasePermission bp = mSettings.mPermissions.get(name); 9828 9829 if (DEBUG_INSTALL) { 9830 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9831 } 9832 9833 if (bp == null || bp.packageSetting == null) { 9834 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9835 Slog.w(TAG, "Unknown permission " + name 9836 + " in package " + pkg.packageName); 9837 } 9838 continue; 9839 } 9840 9841 final String perm = bp.name; 9842 boolean allowedSig = false; 9843 int grant = GRANT_DENIED; 9844 9845 // Keep track of app op permissions. 9846 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9847 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9848 if (pkgs == null) { 9849 pkgs = new ArraySet<>(); 9850 mAppOpPermissionPackages.put(bp.name, pkgs); 9851 } 9852 pkgs.add(pkg.packageName); 9853 } 9854 9855 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9856 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9857 >= Build.VERSION_CODES.M; 9858 switch (level) { 9859 case PermissionInfo.PROTECTION_NORMAL: { 9860 // For all apps normal permissions are install time ones. 9861 grant = GRANT_INSTALL; 9862 } break; 9863 9864 case PermissionInfo.PROTECTION_DANGEROUS: { 9865 // If a permission review is required for legacy apps we represent 9866 // their permissions as always granted runtime ones since we need 9867 // to keep the review required permission flag per user while an 9868 // install permission's state is shared across all users. 9869 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9870 // For legacy apps dangerous permissions are install time ones. 9871 grant = GRANT_INSTALL; 9872 } else if (origPermissions.hasInstallPermission(bp.name)) { 9873 // For legacy apps that became modern, install becomes runtime. 9874 grant = GRANT_UPGRADE; 9875 } else if (mPromoteSystemApps 9876 && isSystemApp(ps) 9877 && mExistingSystemPackages.contains(ps.name)) { 9878 // For legacy system apps, install becomes runtime. 9879 // We cannot check hasInstallPermission() for system apps since those 9880 // permissions were granted implicitly and not persisted pre-M. 9881 grant = GRANT_UPGRADE; 9882 } else { 9883 // For modern apps keep runtime permissions unchanged. 9884 grant = GRANT_RUNTIME; 9885 } 9886 } break; 9887 9888 case PermissionInfo.PROTECTION_SIGNATURE: { 9889 // For all apps signature permissions are install time ones. 9890 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9891 if (allowedSig) { 9892 grant = GRANT_INSTALL; 9893 } 9894 } break; 9895 } 9896 9897 if (DEBUG_INSTALL) { 9898 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9899 } 9900 9901 if (grant != GRANT_DENIED) { 9902 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9903 // If this is an existing, non-system package, then 9904 // we can't add any new permissions to it. 9905 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9906 // Except... if this is a permission that was added 9907 // to the platform (note: need to only do this when 9908 // updating the platform). 9909 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9910 grant = GRANT_DENIED; 9911 } 9912 } 9913 } 9914 9915 switch (grant) { 9916 case GRANT_INSTALL: { 9917 // Revoke this as runtime permission to handle the case of 9918 // a runtime permission being downgraded to an install one. 9919 // Also in permission review mode we keep dangerous permissions 9920 // for legacy apps 9921 for (int userId : UserManagerService.getInstance().getUserIds()) { 9922 if (origPermissions.getRuntimePermissionState( 9923 bp.name, userId) != null) { 9924 // Revoke the runtime permission and clear the flags. 9925 origPermissions.revokeRuntimePermission(bp, userId); 9926 origPermissions.updatePermissionFlags(bp, userId, 9927 PackageManager.MASK_PERMISSION_FLAGS, 0); 9928 // If we revoked a permission permission, we have to write. 9929 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9930 changedRuntimePermissionUserIds, userId); 9931 } 9932 } 9933 // Grant an install permission. 9934 if (permissionsState.grantInstallPermission(bp) != 9935 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9936 changedInstallPermission = true; 9937 } 9938 } break; 9939 9940 case GRANT_RUNTIME: { 9941 // Grant previously granted runtime permissions. 9942 for (int userId : UserManagerService.getInstance().getUserIds()) { 9943 PermissionState permissionState = origPermissions 9944 .getRuntimePermissionState(bp.name, userId); 9945 int flags = permissionState != null 9946 ? permissionState.getFlags() : 0; 9947 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9948 if (permissionsState.grantRuntimePermission(bp, userId) == 9949 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9950 // If we cannot put the permission as it was, we have to write. 9951 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9952 changedRuntimePermissionUserIds, userId); 9953 } 9954 // If the app supports runtime permissions no need for a review. 9955 if (Build.PERMISSIONS_REVIEW_REQUIRED 9956 && appSupportsRuntimePermissions 9957 && (flags & PackageManager 9958 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9959 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9960 // Since we changed the flags, we have to write. 9961 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9962 changedRuntimePermissionUserIds, userId); 9963 } 9964 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9965 && !appSupportsRuntimePermissions) { 9966 // For legacy apps that need a permission review, every new 9967 // runtime permission is granted but it is pending a review. 9968 // We also need to review only platform defined runtime 9969 // permissions as these are the only ones the platform knows 9970 // how to disable the API to simulate revocation as legacy 9971 // apps don't expect to run with revoked permissions. 9972 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9973 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9974 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9975 // We changed the flags, hence have to write. 9976 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9977 changedRuntimePermissionUserIds, userId); 9978 } 9979 } 9980 if (permissionsState.grantRuntimePermission(bp, userId) 9981 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9982 // We changed the permission, hence have to write. 9983 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9984 changedRuntimePermissionUserIds, userId); 9985 } 9986 } 9987 // Propagate the permission flags. 9988 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9989 } 9990 } break; 9991 9992 case GRANT_UPGRADE: { 9993 // Grant runtime permissions for a previously held install permission. 9994 PermissionState permissionState = origPermissions 9995 .getInstallPermissionState(bp.name); 9996 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9997 9998 if (origPermissions.revokeInstallPermission(bp) 9999 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10000 // We will be transferring the permission flags, so clear them. 10001 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10002 PackageManager.MASK_PERMISSION_FLAGS, 0); 10003 changedInstallPermission = true; 10004 } 10005 10006 // If the permission is not to be promoted to runtime we ignore it and 10007 // also its other flags as they are not applicable to install permissions. 10008 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10009 for (int userId : currentUserIds) { 10010 if (permissionsState.grantRuntimePermission(bp, userId) != 10011 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10012 // Transfer the permission flags. 10013 permissionsState.updatePermissionFlags(bp, userId, 10014 flags, flags); 10015 // If we granted the permission, we have to write. 10016 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10017 changedRuntimePermissionUserIds, userId); 10018 } 10019 } 10020 } 10021 } break; 10022 10023 default: { 10024 if (packageOfInterest == null 10025 || packageOfInterest.equals(pkg.packageName)) { 10026 Slog.w(TAG, "Not granting permission " + perm 10027 + " to package " + pkg.packageName 10028 + " because it was previously installed without"); 10029 } 10030 } break; 10031 } 10032 } else { 10033 if (permissionsState.revokeInstallPermission(bp) != 10034 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10035 // Also drop the permission flags. 10036 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10037 PackageManager.MASK_PERMISSION_FLAGS, 0); 10038 changedInstallPermission = true; 10039 Slog.i(TAG, "Un-granting permission " + perm 10040 + " from package " + pkg.packageName 10041 + " (protectionLevel=" + bp.protectionLevel 10042 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10043 + ")"); 10044 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10045 // Don't print warning for app op permissions, since it is fine for them 10046 // not to be granted, there is a UI for the user to decide. 10047 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10048 Slog.w(TAG, "Not granting permission " + perm 10049 + " to package " + pkg.packageName 10050 + " (protectionLevel=" + bp.protectionLevel 10051 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10052 + ")"); 10053 } 10054 } 10055 } 10056 } 10057 10058 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10059 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10060 // This is the first that we have heard about this package, so the 10061 // permissions we have now selected are fixed until explicitly 10062 // changed. 10063 ps.installPermissionsFixed = true; 10064 } 10065 10066 // Persist the runtime permissions state for users with changes. If permissions 10067 // were revoked because no app in the shared user declares them we have to 10068 // write synchronously to avoid losing runtime permissions state. 10069 for (int userId : changedRuntimePermissionUserIds) { 10070 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10071 } 10072 10073 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10074 } 10075 10076 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10077 boolean allowed = false; 10078 final int NP = PackageParser.NEW_PERMISSIONS.length; 10079 for (int ip=0; ip<NP; ip++) { 10080 final PackageParser.NewPermissionInfo npi 10081 = PackageParser.NEW_PERMISSIONS[ip]; 10082 if (npi.name.equals(perm) 10083 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10084 allowed = true; 10085 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10086 + pkg.packageName); 10087 break; 10088 } 10089 } 10090 return allowed; 10091 } 10092 10093 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10094 BasePermission bp, PermissionsState origPermissions) { 10095 boolean allowed; 10096 allowed = (compareSignatures( 10097 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10098 == PackageManager.SIGNATURE_MATCH) 10099 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10100 == PackageManager.SIGNATURE_MATCH); 10101 if (!allowed && (bp.protectionLevel 10102 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10103 if (isSystemApp(pkg)) { 10104 // For updated system applications, a system permission 10105 // is granted only if it had been defined by the original application. 10106 if (pkg.isUpdatedSystemApp()) { 10107 final PackageSetting sysPs = mSettings 10108 .getDisabledSystemPkgLPr(pkg.packageName); 10109 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10110 // If the original was granted this permission, we take 10111 // that grant decision as read and propagate it to the 10112 // update. 10113 if (sysPs.isPrivileged()) { 10114 allowed = true; 10115 } 10116 } else { 10117 // The system apk may have been updated with an older 10118 // version of the one on the data partition, but which 10119 // granted a new system permission that it didn't have 10120 // before. In this case we do want to allow the app to 10121 // now get the new permission if the ancestral apk is 10122 // privileged to get it. 10123 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10124 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10125 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10126 allowed = true; 10127 break; 10128 } 10129 } 10130 } 10131 // Also if a privileged parent package on the system image or any of 10132 // its children requested a privileged permission, the updated child 10133 // packages can also get the permission. 10134 if (pkg.parentPackage != null) { 10135 final PackageSetting disabledSysParentPs = mSettings 10136 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10137 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10138 && disabledSysParentPs.isPrivileged()) { 10139 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10140 allowed = true; 10141 } else if (disabledSysParentPs.pkg.childPackages != null) { 10142 final int count = disabledSysParentPs.pkg.childPackages.size(); 10143 for (int i = 0; i < count; i++) { 10144 PackageParser.Package disabledSysChildPkg = 10145 disabledSysParentPs.pkg.childPackages.get(i); 10146 if (isPackageRequestingPermission(disabledSysChildPkg, 10147 perm)) { 10148 allowed = true; 10149 break; 10150 } 10151 } 10152 } 10153 } 10154 } 10155 } 10156 } else { 10157 allowed = isPrivilegedApp(pkg); 10158 } 10159 } 10160 } 10161 if (!allowed) { 10162 if (!allowed && (bp.protectionLevel 10163 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10164 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10165 // If this was a previously normal/dangerous permission that got moved 10166 // to a system permission as part of the runtime permission redesign, then 10167 // we still want to blindly grant it to old apps. 10168 allowed = true; 10169 } 10170 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10171 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10172 // If this permission is to be granted to the system installer and 10173 // this app is an installer, then it gets the permission. 10174 allowed = true; 10175 } 10176 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10177 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10178 // If this permission is to be granted to the system verifier and 10179 // this app is a verifier, then it gets the permission. 10180 allowed = true; 10181 } 10182 if (!allowed && (bp.protectionLevel 10183 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10184 && isSystemApp(pkg)) { 10185 // Any pre-installed system app is allowed to get this permission. 10186 allowed = true; 10187 } 10188 if (!allowed && (bp.protectionLevel 10189 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10190 // For development permissions, a development permission 10191 // is granted only if it was already granted. 10192 allowed = origPermissions.hasInstallPermission(perm); 10193 } 10194 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10195 && pkg.packageName.equals(mSetupWizardPackage)) { 10196 // If this permission is to be granted to the system setup wizard and 10197 // this app is a setup wizard, then it gets the permission. 10198 allowed = true; 10199 } 10200 } 10201 return allowed; 10202 } 10203 10204 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10205 final int permCount = pkg.requestedPermissions.size(); 10206 for (int j = 0; j < permCount; j++) { 10207 String requestedPermission = pkg.requestedPermissions.get(j); 10208 if (permission.equals(requestedPermission)) { 10209 return true; 10210 } 10211 } 10212 return false; 10213 } 10214 10215 final class ActivityIntentResolver 10216 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10217 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10218 boolean defaultOnly, int userId) { 10219 if (!sUserManager.exists(userId)) return null; 10220 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10221 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10222 } 10223 10224 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10225 int userId) { 10226 if (!sUserManager.exists(userId)) return null; 10227 mFlags = flags; 10228 return super.queryIntent(intent, resolvedType, 10229 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10230 } 10231 10232 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10233 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10234 if (!sUserManager.exists(userId)) return null; 10235 if (packageActivities == null) { 10236 return null; 10237 } 10238 mFlags = flags; 10239 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10240 final int N = packageActivities.size(); 10241 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10242 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10243 10244 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10245 for (int i = 0; i < N; ++i) { 10246 intentFilters = packageActivities.get(i).intents; 10247 if (intentFilters != null && intentFilters.size() > 0) { 10248 PackageParser.ActivityIntentInfo[] array = 10249 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10250 intentFilters.toArray(array); 10251 listCut.add(array); 10252 } 10253 } 10254 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10255 } 10256 10257 /** 10258 * Finds a privileged activity that matches the specified activity names. 10259 */ 10260 private PackageParser.Activity findMatchingActivity( 10261 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10262 for (PackageParser.Activity sysActivity : activityList) { 10263 if (sysActivity.info.name.equals(activityInfo.name)) { 10264 return sysActivity; 10265 } 10266 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10267 return sysActivity; 10268 } 10269 if (sysActivity.info.targetActivity != null) { 10270 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10271 return sysActivity; 10272 } 10273 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10274 return sysActivity; 10275 } 10276 } 10277 } 10278 return null; 10279 } 10280 10281 public class IterGenerator<E> { 10282 public Iterator<E> generate(ActivityIntentInfo info) { 10283 return null; 10284 } 10285 } 10286 10287 public class ActionIterGenerator extends IterGenerator<String> { 10288 @Override 10289 public Iterator<String> generate(ActivityIntentInfo info) { 10290 return info.actionsIterator(); 10291 } 10292 } 10293 10294 public class CategoriesIterGenerator extends IterGenerator<String> { 10295 @Override 10296 public Iterator<String> generate(ActivityIntentInfo info) { 10297 return info.categoriesIterator(); 10298 } 10299 } 10300 10301 public class SchemesIterGenerator extends IterGenerator<String> { 10302 @Override 10303 public Iterator<String> generate(ActivityIntentInfo info) { 10304 return info.schemesIterator(); 10305 } 10306 } 10307 10308 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10309 @Override 10310 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10311 return info.authoritiesIterator(); 10312 } 10313 } 10314 10315 /** 10316 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10317 * MODIFIED. Do not pass in a list that should not be changed. 10318 */ 10319 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10320 IterGenerator<T> generator, Iterator<T> searchIterator) { 10321 // loop through the set of actions; every one must be found in the intent filter 10322 while (searchIterator.hasNext()) { 10323 // we must have at least one filter in the list to consider a match 10324 if (intentList.size() == 0) { 10325 break; 10326 } 10327 10328 final T searchAction = searchIterator.next(); 10329 10330 // loop through the set of intent filters 10331 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10332 while (intentIter.hasNext()) { 10333 final ActivityIntentInfo intentInfo = intentIter.next(); 10334 boolean selectionFound = false; 10335 10336 // loop through the intent filter's selection criteria; at least one 10337 // of them must match the searched criteria 10338 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10339 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10340 final T intentSelection = intentSelectionIter.next(); 10341 if (intentSelection != null && intentSelection.equals(searchAction)) { 10342 selectionFound = true; 10343 break; 10344 } 10345 } 10346 10347 // the selection criteria wasn't found in this filter's set; this filter 10348 // is not a potential match 10349 if (!selectionFound) { 10350 intentIter.remove(); 10351 } 10352 } 10353 } 10354 } 10355 10356 private boolean isProtectedAction(ActivityIntentInfo filter) { 10357 final Iterator<String> actionsIter = filter.actionsIterator(); 10358 while (actionsIter != null && actionsIter.hasNext()) { 10359 final String filterAction = actionsIter.next(); 10360 if (PROTECTED_ACTIONS.contains(filterAction)) { 10361 return true; 10362 } 10363 } 10364 return false; 10365 } 10366 10367 /** 10368 * Adjusts the priority of the given intent filter according to policy. 10369 * <p> 10370 * <ul> 10371 * <li>The priority for non privileged applications is capped to '0'</li> 10372 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10373 * <li>The priority for unbundled updates to privileged applications is capped to the 10374 * priority defined on the system partition</li> 10375 * </ul> 10376 * <p> 10377 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10378 * allowed to obtain any priority on any action. 10379 */ 10380 private void adjustPriority( 10381 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10382 // nothing to do; priority is fine as-is 10383 if (intent.getPriority() <= 0) { 10384 return; 10385 } 10386 10387 final ActivityInfo activityInfo = intent.activity.info; 10388 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10389 10390 final boolean privilegedApp = 10391 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10392 if (!privilegedApp) { 10393 // non-privileged applications can never define a priority >0 10394 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10395 + " package: " + applicationInfo.packageName 10396 + " activity: " + intent.activity.className 10397 + " origPrio: " + intent.getPriority()); 10398 intent.setPriority(0); 10399 return; 10400 } 10401 10402 if (systemActivities == null) { 10403 // the system package is not disabled; we're parsing the system partition 10404 if (isProtectedAction(intent)) { 10405 if (mDeferProtectedFilters) { 10406 // We can't deal with these just yet. No component should ever obtain a 10407 // >0 priority for a protected actions, with ONE exception -- the setup 10408 // wizard. The setup wizard, however, cannot be known until we're able to 10409 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10410 // until all intent filters have been processed. Chicken, meet egg. 10411 // Let the filter temporarily have a high priority and rectify the 10412 // priorities after all system packages have been scanned. 10413 mProtectedFilters.add(intent); 10414 if (DEBUG_FILTERS) { 10415 Slog.i(TAG, "Protected action; save for later;" 10416 + " package: " + applicationInfo.packageName 10417 + " activity: " + intent.activity.className 10418 + " origPrio: " + intent.getPriority()); 10419 } 10420 return; 10421 } else { 10422 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10423 Slog.i(TAG, "No setup wizard;" 10424 + " All protected intents capped to priority 0"); 10425 } 10426 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10427 if (DEBUG_FILTERS) { 10428 Slog.i(TAG, "Found setup wizard;" 10429 + " allow priority " + intent.getPriority() + ";" 10430 + " package: " + intent.activity.info.packageName 10431 + " activity: " + intent.activity.className 10432 + " priority: " + intent.getPriority()); 10433 } 10434 // setup wizard gets whatever it wants 10435 return; 10436 } 10437 Slog.w(TAG, "Protected action; cap priority to 0;" 10438 + " package: " + intent.activity.info.packageName 10439 + " activity: " + intent.activity.className 10440 + " origPrio: " + intent.getPriority()); 10441 intent.setPriority(0); 10442 return; 10443 } 10444 } 10445 // privileged apps on the system image get whatever priority they request 10446 return; 10447 } 10448 10449 // privileged app unbundled update ... try to find the same activity 10450 final PackageParser.Activity foundActivity = 10451 findMatchingActivity(systemActivities, activityInfo); 10452 if (foundActivity == null) { 10453 // this is a new activity; it cannot obtain >0 priority 10454 if (DEBUG_FILTERS) { 10455 Slog.i(TAG, "New activity; cap priority to 0;" 10456 + " package: " + applicationInfo.packageName 10457 + " activity: " + intent.activity.className 10458 + " origPrio: " + intent.getPriority()); 10459 } 10460 intent.setPriority(0); 10461 return; 10462 } 10463 10464 // found activity, now check for filter equivalence 10465 10466 // a shallow copy is enough; we modify the list, not its contents 10467 final List<ActivityIntentInfo> intentListCopy = 10468 new ArrayList<>(foundActivity.intents); 10469 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10470 10471 // find matching action subsets 10472 final Iterator<String> actionsIterator = intent.actionsIterator(); 10473 if (actionsIterator != null) { 10474 getIntentListSubset( 10475 intentListCopy, new ActionIterGenerator(), actionsIterator); 10476 if (intentListCopy.size() == 0) { 10477 // no more intents to match; we're not equivalent 10478 if (DEBUG_FILTERS) { 10479 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10480 + " package: " + applicationInfo.packageName 10481 + " activity: " + intent.activity.className 10482 + " origPrio: " + intent.getPriority()); 10483 } 10484 intent.setPriority(0); 10485 return; 10486 } 10487 } 10488 10489 // find matching category subsets 10490 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10491 if (categoriesIterator != null) { 10492 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10493 categoriesIterator); 10494 if (intentListCopy.size() == 0) { 10495 // no more intents to match; we're not equivalent 10496 if (DEBUG_FILTERS) { 10497 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10498 + " package: " + applicationInfo.packageName 10499 + " activity: " + intent.activity.className 10500 + " origPrio: " + intent.getPriority()); 10501 } 10502 intent.setPriority(0); 10503 return; 10504 } 10505 } 10506 10507 // find matching schemes subsets 10508 final Iterator<String> schemesIterator = intent.schemesIterator(); 10509 if (schemesIterator != null) { 10510 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10511 schemesIterator); 10512 if (intentListCopy.size() == 0) { 10513 // no more intents to match; we're not equivalent 10514 if (DEBUG_FILTERS) { 10515 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10516 + " package: " + applicationInfo.packageName 10517 + " activity: " + intent.activity.className 10518 + " origPrio: " + intent.getPriority()); 10519 } 10520 intent.setPriority(0); 10521 return; 10522 } 10523 } 10524 10525 // find matching authorities subsets 10526 final Iterator<IntentFilter.AuthorityEntry> 10527 authoritiesIterator = intent.authoritiesIterator(); 10528 if (authoritiesIterator != null) { 10529 getIntentListSubset(intentListCopy, 10530 new AuthoritiesIterGenerator(), 10531 authoritiesIterator); 10532 if (intentListCopy.size() == 0) { 10533 // no more intents to match; we're not equivalent 10534 if (DEBUG_FILTERS) { 10535 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10536 + " package: " + applicationInfo.packageName 10537 + " activity: " + intent.activity.className 10538 + " origPrio: " + intent.getPriority()); 10539 } 10540 intent.setPriority(0); 10541 return; 10542 } 10543 } 10544 10545 // we found matching filter(s); app gets the max priority of all intents 10546 int cappedPriority = 0; 10547 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10548 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10549 } 10550 if (intent.getPriority() > cappedPriority) { 10551 if (DEBUG_FILTERS) { 10552 Slog.i(TAG, "Found matching filter(s);" 10553 + " cap priority to " + cappedPriority + ";" 10554 + " package: " + applicationInfo.packageName 10555 + " activity: " + intent.activity.className 10556 + " origPrio: " + intent.getPriority()); 10557 } 10558 intent.setPriority(cappedPriority); 10559 return; 10560 } 10561 // all this for nothing; the requested priority was <= what was on the system 10562 } 10563 10564 public final void addActivity(PackageParser.Activity a, String type) { 10565 mActivities.put(a.getComponentName(), a); 10566 if (DEBUG_SHOW_INFO) 10567 Log.v( 10568 TAG, " " + type + " " + 10569 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10570 if (DEBUG_SHOW_INFO) 10571 Log.v(TAG, " Class=" + a.info.name); 10572 final int NI = a.intents.size(); 10573 for (int j=0; j<NI; j++) { 10574 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10575 if ("activity".equals(type)) { 10576 final PackageSetting ps = 10577 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10578 final List<PackageParser.Activity> systemActivities = 10579 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10580 adjustPriority(systemActivities, intent); 10581 } 10582 if (DEBUG_SHOW_INFO) { 10583 Log.v(TAG, " IntentFilter:"); 10584 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10585 } 10586 if (!intent.debugCheck()) { 10587 Log.w(TAG, "==> For Activity " + a.info.name); 10588 } 10589 addFilter(intent); 10590 } 10591 } 10592 10593 public final void removeActivity(PackageParser.Activity a, String type) { 10594 mActivities.remove(a.getComponentName()); 10595 if (DEBUG_SHOW_INFO) { 10596 Log.v(TAG, " " + type + " " 10597 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10598 : a.info.name) + ":"); 10599 Log.v(TAG, " Class=" + a.info.name); 10600 } 10601 final int NI = a.intents.size(); 10602 for (int j=0; j<NI; j++) { 10603 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10604 if (DEBUG_SHOW_INFO) { 10605 Log.v(TAG, " IntentFilter:"); 10606 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10607 } 10608 removeFilter(intent); 10609 } 10610 } 10611 10612 @Override 10613 protected boolean allowFilterResult( 10614 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10615 ActivityInfo filterAi = filter.activity.info; 10616 for (int i=dest.size()-1; i>=0; i--) { 10617 ActivityInfo destAi = dest.get(i).activityInfo; 10618 if (destAi.name == filterAi.name 10619 && destAi.packageName == filterAi.packageName) { 10620 return false; 10621 } 10622 } 10623 return true; 10624 } 10625 10626 @Override 10627 protected ActivityIntentInfo[] newArray(int size) { 10628 return new ActivityIntentInfo[size]; 10629 } 10630 10631 @Override 10632 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10633 if (!sUserManager.exists(userId)) return true; 10634 PackageParser.Package p = filter.activity.owner; 10635 if (p != null) { 10636 PackageSetting ps = (PackageSetting)p.mExtras; 10637 if (ps != null) { 10638 // System apps are never considered stopped for purposes of 10639 // filtering, because there may be no way for the user to 10640 // actually re-launch them. 10641 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10642 && ps.getStopped(userId); 10643 } 10644 } 10645 return false; 10646 } 10647 10648 @Override 10649 protected boolean isPackageForFilter(String packageName, 10650 PackageParser.ActivityIntentInfo info) { 10651 return packageName.equals(info.activity.owner.packageName); 10652 } 10653 10654 @Override 10655 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10656 int match, int userId) { 10657 if (!sUserManager.exists(userId)) return null; 10658 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10659 return null; 10660 } 10661 final PackageParser.Activity activity = info.activity; 10662 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10663 if (ps == null) { 10664 return null; 10665 } 10666 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10667 ps.readUserState(userId), userId); 10668 if (ai == null) { 10669 return null; 10670 } 10671 final ResolveInfo res = new ResolveInfo(); 10672 res.activityInfo = ai; 10673 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10674 res.filter = info; 10675 } 10676 if (info != null) { 10677 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10678 } 10679 res.priority = info.getPriority(); 10680 res.preferredOrder = activity.owner.mPreferredOrder; 10681 //System.out.println("Result: " + res.activityInfo.className + 10682 // " = " + res.priority); 10683 res.match = match; 10684 res.isDefault = info.hasDefault; 10685 res.labelRes = info.labelRes; 10686 res.nonLocalizedLabel = info.nonLocalizedLabel; 10687 if (userNeedsBadging(userId)) { 10688 res.noResourceId = true; 10689 } else { 10690 res.icon = info.icon; 10691 } 10692 res.iconResourceId = info.icon; 10693 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10694 return res; 10695 } 10696 10697 @Override 10698 protected void sortResults(List<ResolveInfo> results) { 10699 Collections.sort(results, mResolvePrioritySorter); 10700 } 10701 10702 @Override 10703 protected void dumpFilter(PrintWriter out, String prefix, 10704 PackageParser.ActivityIntentInfo filter) { 10705 out.print(prefix); out.print( 10706 Integer.toHexString(System.identityHashCode(filter.activity))); 10707 out.print(' '); 10708 filter.activity.printComponentShortName(out); 10709 out.print(" filter "); 10710 out.println(Integer.toHexString(System.identityHashCode(filter))); 10711 } 10712 10713 @Override 10714 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10715 return filter.activity; 10716 } 10717 10718 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10719 PackageParser.Activity activity = (PackageParser.Activity)label; 10720 out.print(prefix); out.print( 10721 Integer.toHexString(System.identityHashCode(activity))); 10722 out.print(' '); 10723 activity.printComponentShortName(out); 10724 if (count > 1) { 10725 out.print(" ("); out.print(count); out.print(" filters)"); 10726 } 10727 out.println(); 10728 } 10729 10730 // Keys are String (activity class name), values are Activity. 10731 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10732 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10733 private int mFlags; 10734 } 10735 10736 private final class ServiceIntentResolver 10737 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10738 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10739 boolean defaultOnly, int userId) { 10740 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10741 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10742 } 10743 10744 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10745 int userId) { 10746 if (!sUserManager.exists(userId)) return null; 10747 mFlags = flags; 10748 return super.queryIntent(intent, resolvedType, 10749 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10750 } 10751 10752 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10753 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10754 if (!sUserManager.exists(userId)) return null; 10755 if (packageServices == null) { 10756 return null; 10757 } 10758 mFlags = flags; 10759 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10760 final int N = packageServices.size(); 10761 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10762 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10763 10764 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10765 for (int i = 0; i < N; ++i) { 10766 intentFilters = packageServices.get(i).intents; 10767 if (intentFilters != null && intentFilters.size() > 0) { 10768 PackageParser.ServiceIntentInfo[] array = 10769 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10770 intentFilters.toArray(array); 10771 listCut.add(array); 10772 } 10773 } 10774 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10775 } 10776 10777 public final void addService(PackageParser.Service s) { 10778 mServices.put(s.getComponentName(), s); 10779 if (DEBUG_SHOW_INFO) { 10780 Log.v(TAG, " " 10781 + (s.info.nonLocalizedLabel != null 10782 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10783 Log.v(TAG, " Class=" + s.info.name); 10784 } 10785 final int NI = s.intents.size(); 10786 int j; 10787 for (j=0; j<NI; j++) { 10788 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10789 if (DEBUG_SHOW_INFO) { 10790 Log.v(TAG, " IntentFilter:"); 10791 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10792 } 10793 if (!intent.debugCheck()) { 10794 Log.w(TAG, "==> For Service " + s.info.name); 10795 } 10796 addFilter(intent); 10797 } 10798 } 10799 10800 public final void removeService(PackageParser.Service s) { 10801 mServices.remove(s.getComponentName()); 10802 if (DEBUG_SHOW_INFO) { 10803 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10804 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10805 Log.v(TAG, " Class=" + s.info.name); 10806 } 10807 final int NI = s.intents.size(); 10808 int j; 10809 for (j=0; j<NI; j++) { 10810 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10811 if (DEBUG_SHOW_INFO) { 10812 Log.v(TAG, " IntentFilter:"); 10813 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10814 } 10815 removeFilter(intent); 10816 } 10817 } 10818 10819 @Override 10820 protected boolean allowFilterResult( 10821 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10822 ServiceInfo filterSi = filter.service.info; 10823 for (int i=dest.size()-1; i>=0; i--) { 10824 ServiceInfo destAi = dest.get(i).serviceInfo; 10825 if (destAi.name == filterSi.name 10826 && destAi.packageName == filterSi.packageName) { 10827 return false; 10828 } 10829 } 10830 return true; 10831 } 10832 10833 @Override 10834 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10835 return new PackageParser.ServiceIntentInfo[size]; 10836 } 10837 10838 @Override 10839 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10840 if (!sUserManager.exists(userId)) return true; 10841 PackageParser.Package p = filter.service.owner; 10842 if (p != null) { 10843 PackageSetting ps = (PackageSetting)p.mExtras; 10844 if (ps != null) { 10845 // System apps are never considered stopped for purposes of 10846 // filtering, because there may be no way for the user to 10847 // actually re-launch them. 10848 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10849 && ps.getStopped(userId); 10850 } 10851 } 10852 return false; 10853 } 10854 10855 @Override 10856 protected boolean isPackageForFilter(String packageName, 10857 PackageParser.ServiceIntentInfo info) { 10858 return packageName.equals(info.service.owner.packageName); 10859 } 10860 10861 @Override 10862 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10863 int match, int userId) { 10864 if (!sUserManager.exists(userId)) return null; 10865 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10866 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10867 return null; 10868 } 10869 final PackageParser.Service service = info.service; 10870 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10871 if (ps == null) { 10872 return null; 10873 } 10874 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10875 ps.readUserState(userId), userId); 10876 if (si == null) { 10877 return null; 10878 } 10879 final ResolveInfo res = new ResolveInfo(); 10880 res.serviceInfo = si; 10881 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10882 res.filter = filter; 10883 } 10884 res.priority = info.getPriority(); 10885 res.preferredOrder = service.owner.mPreferredOrder; 10886 res.match = match; 10887 res.isDefault = info.hasDefault; 10888 res.labelRes = info.labelRes; 10889 res.nonLocalizedLabel = info.nonLocalizedLabel; 10890 res.icon = info.icon; 10891 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10892 return res; 10893 } 10894 10895 @Override 10896 protected void sortResults(List<ResolveInfo> results) { 10897 Collections.sort(results, mResolvePrioritySorter); 10898 } 10899 10900 @Override 10901 protected void dumpFilter(PrintWriter out, String prefix, 10902 PackageParser.ServiceIntentInfo filter) { 10903 out.print(prefix); out.print( 10904 Integer.toHexString(System.identityHashCode(filter.service))); 10905 out.print(' '); 10906 filter.service.printComponentShortName(out); 10907 out.print(" filter "); 10908 out.println(Integer.toHexString(System.identityHashCode(filter))); 10909 } 10910 10911 @Override 10912 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10913 return filter.service; 10914 } 10915 10916 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10917 PackageParser.Service service = (PackageParser.Service)label; 10918 out.print(prefix); out.print( 10919 Integer.toHexString(System.identityHashCode(service))); 10920 out.print(' '); 10921 service.printComponentShortName(out); 10922 if (count > 1) { 10923 out.print(" ("); out.print(count); out.print(" filters)"); 10924 } 10925 out.println(); 10926 } 10927 10928// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10929// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10930// final List<ResolveInfo> retList = Lists.newArrayList(); 10931// while (i.hasNext()) { 10932// final ResolveInfo resolveInfo = (ResolveInfo) i; 10933// if (isEnabledLP(resolveInfo.serviceInfo)) { 10934// retList.add(resolveInfo); 10935// } 10936// } 10937// return retList; 10938// } 10939 10940 // Keys are String (activity class name), values are Activity. 10941 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10942 = new ArrayMap<ComponentName, PackageParser.Service>(); 10943 private int mFlags; 10944 }; 10945 10946 private final class ProviderIntentResolver 10947 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10948 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10949 boolean defaultOnly, int userId) { 10950 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10951 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10952 } 10953 10954 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10955 int userId) { 10956 if (!sUserManager.exists(userId)) 10957 return null; 10958 mFlags = flags; 10959 return super.queryIntent(intent, resolvedType, 10960 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10961 } 10962 10963 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10964 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10965 if (!sUserManager.exists(userId)) 10966 return null; 10967 if (packageProviders == null) { 10968 return null; 10969 } 10970 mFlags = flags; 10971 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10972 final int N = packageProviders.size(); 10973 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10974 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10975 10976 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10977 for (int i = 0; i < N; ++i) { 10978 intentFilters = packageProviders.get(i).intents; 10979 if (intentFilters != null && intentFilters.size() > 0) { 10980 PackageParser.ProviderIntentInfo[] array = 10981 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10982 intentFilters.toArray(array); 10983 listCut.add(array); 10984 } 10985 } 10986 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10987 } 10988 10989 public final void addProvider(PackageParser.Provider p) { 10990 if (mProviders.containsKey(p.getComponentName())) { 10991 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10992 return; 10993 } 10994 10995 mProviders.put(p.getComponentName(), p); 10996 if (DEBUG_SHOW_INFO) { 10997 Log.v(TAG, " " 10998 + (p.info.nonLocalizedLabel != null 10999 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11000 Log.v(TAG, " Class=" + p.info.name); 11001 } 11002 final int NI = p.intents.size(); 11003 int j; 11004 for (j = 0; j < NI; j++) { 11005 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11006 if (DEBUG_SHOW_INFO) { 11007 Log.v(TAG, " IntentFilter:"); 11008 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11009 } 11010 if (!intent.debugCheck()) { 11011 Log.w(TAG, "==> For Provider " + p.info.name); 11012 } 11013 addFilter(intent); 11014 } 11015 } 11016 11017 public final void removeProvider(PackageParser.Provider p) { 11018 mProviders.remove(p.getComponentName()); 11019 if (DEBUG_SHOW_INFO) { 11020 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11021 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11022 Log.v(TAG, " Class=" + p.info.name); 11023 } 11024 final int NI = p.intents.size(); 11025 int j; 11026 for (j = 0; j < NI; j++) { 11027 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11028 if (DEBUG_SHOW_INFO) { 11029 Log.v(TAG, " IntentFilter:"); 11030 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11031 } 11032 removeFilter(intent); 11033 } 11034 } 11035 11036 @Override 11037 protected boolean allowFilterResult( 11038 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11039 ProviderInfo filterPi = filter.provider.info; 11040 for (int i = dest.size() - 1; i >= 0; i--) { 11041 ProviderInfo destPi = dest.get(i).providerInfo; 11042 if (destPi.name == filterPi.name 11043 && destPi.packageName == filterPi.packageName) { 11044 return false; 11045 } 11046 } 11047 return true; 11048 } 11049 11050 @Override 11051 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11052 return new PackageParser.ProviderIntentInfo[size]; 11053 } 11054 11055 @Override 11056 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11057 if (!sUserManager.exists(userId)) 11058 return true; 11059 PackageParser.Package p = filter.provider.owner; 11060 if (p != null) { 11061 PackageSetting ps = (PackageSetting) p.mExtras; 11062 if (ps != null) { 11063 // System apps are never considered stopped for purposes of 11064 // filtering, because there may be no way for the user to 11065 // actually re-launch them. 11066 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11067 && ps.getStopped(userId); 11068 } 11069 } 11070 return false; 11071 } 11072 11073 @Override 11074 protected boolean isPackageForFilter(String packageName, 11075 PackageParser.ProviderIntentInfo info) { 11076 return packageName.equals(info.provider.owner.packageName); 11077 } 11078 11079 @Override 11080 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11081 int match, int userId) { 11082 if (!sUserManager.exists(userId)) 11083 return null; 11084 final PackageParser.ProviderIntentInfo info = filter; 11085 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11086 return null; 11087 } 11088 final PackageParser.Provider provider = info.provider; 11089 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11090 if (ps == null) { 11091 return null; 11092 } 11093 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11094 ps.readUserState(userId), userId); 11095 if (pi == null) { 11096 return null; 11097 } 11098 final ResolveInfo res = new ResolveInfo(); 11099 res.providerInfo = pi; 11100 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11101 res.filter = filter; 11102 } 11103 res.priority = info.getPriority(); 11104 res.preferredOrder = provider.owner.mPreferredOrder; 11105 res.match = match; 11106 res.isDefault = info.hasDefault; 11107 res.labelRes = info.labelRes; 11108 res.nonLocalizedLabel = info.nonLocalizedLabel; 11109 res.icon = info.icon; 11110 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11111 return res; 11112 } 11113 11114 @Override 11115 protected void sortResults(List<ResolveInfo> results) { 11116 Collections.sort(results, mResolvePrioritySorter); 11117 } 11118 11119 @Override 11120 protected void dumpFilter(PrintWriter out, String prefix, 11121 PackageParser.ProviderIntentInfo filter) { 11122 out.print(prefix); 11123 out.print( 11124 Integer.toHexString(System.identityHashCode(filter.provider))); 11125 out.print(' '); 11126 filter.provider.printComponentShortName(out); 11127 out.print(" filter "); 11128 out.println(Integer.toHexString(System.identityHashCode(filter))); 11129 } 11130 11131 @Override 11132 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11133 return filter.provider; 11134 } 11135 11136 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11137 PackageParser.Provider provider = (PackageParser.Provider)label; 11138 out.print(prefix); out.print( 11139 Integer.toHexString(System.identityHashCode(provider))); 11140 out.print(' '); 11141 provider.printComponentShortName(out); 11142 if (count > 1) { 11143 out.print(" ("); out.print(count); out.print(" filters)"); 11144 } 11145 out.println(); 11146 } 11147 11148 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11149 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11150 private int mFlags; 11151 } 11152 11153 private static final class EphemeralIntentResolver 11154 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11155 @Override 11156 protected EphemeralResolveIntentInfo[] newArray(int size) { 11157 return new EphemeralResolveIntentInfo[size]; 11158 } 11159 11160 @Override 11161 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11162 return true; 11163 } 11164 11165 @Override 11166 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11167 int userId) { 11168 if (!sUserManager.exists(userId)) { 11169 return null; 11170 } 11171 return info.getEphemeralResolveInfo(); 11172 } 11173 } 11174 11175 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11176 new Comparator<ResolveInfo>() { 11177 public int compare(ResolveInfo r1, ResolveInfo r2) { 11178 int v1 = r1.priority; 11179 int v2 = r2.priority; 11180 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11181 if (v1 != v2) { 11182 return (v1 > v2) ? -1 : 1; 11183 } 11184 v1 = r1.preferredOrder; 11185 v2 = r2.preferredOrder; 11186 if (v1 != v2) { 11187 return (v1 > v2) ? -1 : 1; 11188 } 11189 if (r1.isDefault != r2.isDefault) { 11190 return r1.isDefault ? -1 : 1; 11191 } 11192 v1 = r1.match; 11193 v2 = r2.match; 11194 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11195 if (v1 != v2) { 11196 return (v1 > v2) ? -1 : 1; 11197 } 11198 if (r1.system != r2.system) { 11199 return r1.system ? -1 : 1; 11200 } 11201 if (r1.activityInfo != null) { 11202 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11203 } 11204 if (r1.serviceInfo != null) { 11205 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11206 } 11207 if (r1.providerInfo != null) { 11208 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11209 } 11210 return 0; 11211 } 11212 }; 11213 11214 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11215 new Comparator<ProviderInfo>() { 11216 public int compare(ProviderInfo p1, ProviderInfo p2) { 11217 final int v1 = p1.initOrder; 11218 final int v2 = p2.initOrder; 11219 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11220 } 11221 }; 11222 11223 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11224 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11225 final int[] userIds) { 11226 mHandler.post(new Runnable() { 11227 @Override 11228 public void run() { 11229 try { 11230 final IActivityManager am = ActivityManagerNative.getDefault(); 11231 if (am == null) return; 11232 final int[] resolvedUserIds; 11233 if (userIds == null) { 11234 resolvedUserIds = am.getRunningUserIds(); 11235 } else { 11236 resolvedUserIds = userIds; 11237 } 11238 for (int id : resolvedUserIds) { 11239 final Intent intent = new Intent(action, 11240 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11241 if (extras != null) { 11242 intent.putExtras(extras); 11243 } 11244 if (targetPkg != null) { 11245 intent.setPackage(targetPkg); 11246 } 11247 // Modify the UID when posting to other users 11248 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11249 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11250 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11251 intent.putExtra(Intent.EXTRA_UID, uid); 11252 } 11253 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11254 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11255 if (DEBUG_BROADCASTS) { 11256 RuntimeException here = new RuntimeException("here"); 11257 here.fillInStackTrace(); 11258 Slog.d(TAG, "Sending to user " + id + ": " 11259 + intent.toShortString(false, true, false, false) 11260 + " " + intent.getExtras(), here); 11261 } 11262 am.broadcastIntent(null, intent, null, finishedReceiver, 11263 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11264 null, finishedReceiver != null, false, id); 11265 } 11266 } catch (RemoteException ex) { 11267 } 11268 } 11269 }); 11270 } 11271 11272 /** 11273 * Check if the external storage media is available. This is true if there 11274 * is a mounted external storage medium or if the external storage is 11275 * emulated. 11276 */ 11277 private boolean isExternalMediaAvailable() { 11278 return mMediaMounted || Environment.isExternalStorageEmulated(); 11279 } 11280 11281 @Override 11282 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11283 // writer 11284 synchronized (mPackages) { 11285 if (!isExternalMediaAvailable()) { 11286 // If the external storage is no longer mounted at this point, 11287 // the caller may not have been able to delete all of this 11288 // packages files and can not delete any more. Bail. 11289 return null; 11290 } 11291 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11292 if (lastPackage != null) { 11293 pkgs.remove(lastPackage); 11294 } 11295 if (pkgs.size() > 0) { 11296 return pkgs.get(0); 11297 } 11298 } 11299 return null; 11300 } 11301 11302 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11303 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11304 userId, andCode ? 1 : 0, packageName); 11305 if (mSystemReady) { 11306 msg.sendToTarget(); 11307 } else { 11308 if (mPostSystemReadyMessages == null) { 11309 mPostSystemReadyMessages = new ArrayList<>(); 11310 } 11311 mPostSystemReadyMessages.add(msg); 11312 } 11313 } 11314 11315 void startCleaningPackages() { 11316 // reader 11317 if (!isExternalMediaAvailable()) { 11318 return; 11319 } 11320 synchronized (mPackages) { 11321 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11322 return; 11323 } 11324 } 11325 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11326 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11327 IActivityManager am = ActivityManagerNative.getDefault(); 11328 if (am != null) { 11329 try { 11330 am.startService(null, intent, null, mContext.getOpPackageName(), 11331 UserHandle.USER_SYSTEM); 11332 } catch (RemoteException e) { 11333 } 11334 } 11335 } 11336 11337 @Override 11338 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11339 int installFlags, String installerPackageName, int userId) { 11340 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11341 11342 final int callingUid = Binder.getCallingUid(); 11343 enforceCrossUserPermission(callingUid, userId, 11344 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11345 11346 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11347 try { 11348 if (observer != null) { 11349 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11350 } 11351 } catch (RemoteException re) { 11352 } 11353 return; 11354 } 11355 11356 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11357 installFlags |= PackageManager.INSTALL_FROM_ADB; 11358 11359 } else { 11360 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11361 // about installerPackageName. 11362 11363 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11364 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11365 } 11366 11367 UserHandle user; 11368 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11369 user = UserHandle.ALL; 11370 } else { 11371 user = new UserHandle(userId); 11372 } 11373 11374 // Only system components can circumvent runtime permissions when installing. 11375 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11376 && mContext.checkCallingOrSelfPermission(Manifest.permission 11377 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11378 throw new SecurityException("You need the " 11379 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11380 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11381 } 11382 11383 final File originFile = new File(originPath); 11384 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11385 11386 final Message msg = mHandler.obtainMessage(INIT_COPY); 11387 final VerificationInfo verificationInfo = new VerificationInfo( 11388 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11389 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11390 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11391 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11392 null /*certificates*/); 11393 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11394 msg.obj = params; 11395 11396 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11397 System.identityHashCode(msg.obj)); 11398 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11399 System.identityHashCode(msg.obj)); 11400 11401 mHandler.sendMessage(msg); 11402 } 11403 11404 void installStage(String packageName, File stagedDir, String stagedCid, 11405 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11406 String installerPackageName, int installerUid, UserHandle user, 11407 Certificate[][] certificates) { 11408 if (DEBUG_EPHEMERAL) { 11409 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11410 Slog.d(TAG, "Ephemeral install of " + packageName); 11411 } 11412 } 11413 final VerificationInfo verificationInfo = new VerificationInfo( 11414 sessionParams.originatingUri, sessionParams.referrerUri, 11415 sessionParams.originatingUid, installerUid); 11416 11417 final OriginInfo origin; 11418 if (stagedDir != null) { 11419 origin = OriginInfo.fromStagedFile(stagedDir); 11420 } else { 11421 origin = OriginInfo.fromStagedContainer(stagedCid); 11422 } 11423 11424 final Message msg = mHandler.obtainMessage(INIT_COPY); 11425 final InstallParams params = new InstallParams(origin, null, observer, 11426 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11427 verificationInfo, user, sessionParams.abiOverride, 11428 sessionParams.grantedRuntimePermissions, certificates); 11429 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11430 msg.obj = params; 11431 11432 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11433 System.identityHashCode(msg.obj)); 11434 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11435 System.identityHashCode(msg.obj)); 11436 11437 mHandler.sendMessage(msg); 11438 } 11439 11440 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11441 int userId) { 11442 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11443 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11444 } 11445 11446 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11447 int appId, int userId) { 11448 Bundle extras = new Bundle(1); 11449 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11450 11451 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11452 packageName, extras, 0, null, null, new int[] {userId}); 11453 try { 11454 IActivityManager am = ActivityManagerNative.getDefault(); 11455 if (isSystem && am.isUserRunning(userId, 0)) { 11456 // The just-installed/enabled app is bundled on the system, so presumed 11457 // to be able to run automatically without needing an explicit launch. 11458 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11459 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11460 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11461 .setPackage(packageName); 11462 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11463 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11464 } 11465 } catch (RemoteException e) { 11466 // shouldn't happen 11467 Slog.w(TAG, "Unable to bootstrap installed package", e); 11468 } 11469 } 11470 11471 @Override 11472 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11473 int userId) { 11474 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11475 PackageSetting pkgSetting; 11476 final int uid = Binder.getCallingUid(); 11477 enforceCrossUserPermission(uid, userId, 11478 true /* requireFullPermission */, true /* checkShell */, 11479 "setApplicationHiddenSetting for user " + userId); 11480 11481 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11482 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11483 return false; 11484 } 11485 11486 long callingId = Binder.clearCallingIdentity(); 11487 try { 11488 boolean sendAdded = false; 11489 boolean sendRemoved = false; 11490 // writer 11491 synchronized (mPackages) { 11492 pkgSetting = mSettings.mPackages.get(packageName); 11493 if (pkgSetting == null) { 11494 return false; 11495 } 11496 if (pkgSetting.getHidden(userId) != hidden) { 11497 pkgSetting.setHidden(hidden, userId); 11498 mSettings.writePackageRestrictionsLPr(userId); 11499 if (hidden) { 11500 sendRemoved = true; 11501 } else { 11502 sendAdded = true; 11503 } 11504 } 11505 } 11506 if (sendAdded) { 11507 sendPackageAddedForUser(packageName, pkgSetting, userId); 11508 return true; 11509 } 11510 if (sendRemoved) { 11511 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11512 "hiding pkg"); 11513 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11514 return true; 11515 } 11516 } finally { 11517 Binder.restoreCallingIdentity(callingId); 11518 } 11519 return false; 11520 } 11521 11522 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11523 int userId) { 11524 final PackageRemovedInfo info = new PackageRemovedInfo(); 11525 info.removedPackage = packageName; 11526 info.removedUsers = new int[] {userId}; 11527 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11528 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11529 } 11530 11531 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11532 if (pkgList.length > 0) { 11533 Bundle extras = new Bundle(1); 11534 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11535 11536 sendPackageBroadcast( 11537 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11538 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11539 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11540 new int[] {userId}); 11541 } 11542 } 11543 11544 /** 11545 * Returns true if application is not found or there was an error. Otherwise it returns 11546 * the hidden state of the package for the given user. 11547 */ 11548 @Override 11549 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11550 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11551 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11552 true /* requireFullPermission */, false /* checkShell */, 11553 "getApplicationHidden for user " + userId); 11554 PackageSetting pkgSetting; 11555 long callingId = Binder.clearCallingIdentity(); 11556 try { 11557 // writer 11558 synchronized (mPackages) { 11559 pkgSetting = mSettings.mPackages.get(packageName); 11560 if (pkgSetting == null) { 11561 return true; 11562 } 11563 return pkgSetting.getHidden(userId); 11564 } 11565 } finally { 11566 Binder.restoreCallingIdentity(callingId); 11567 } 11568 } 11569 11570 /** 11571 * @hide 11572 */ 11573 @Override 11574 public int installExistingPackageAsUser(String packageName, int userId) { 11575 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11576 null); 11577 PackageSetting pkgSetting; 11578 final int uid = Binder.getCallingUid(); 11579 enforceCrossUserPermission(uid, userId, 11580 true /* requireFullPermission */, true /* checkShell */, 11581 "installExistingPackage for user " + userId); 11582 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11583 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11584 } 11585 11586 long callingId = Binder.clearCallingIdentity(); 11587 try { 11588 boolean installed = false; 11589 11590 // writer 11591 synchronized (mPackages) { 11592 pkgSetting = mSettings.mPackages.get(packageName); 11593 if (pkgSetting == null) { 11594 return PackageManager.INSTALL_FAILED_INVALID_URI; 11595 } 11596 if (!pkgSetting.getInstalled(userId)) { 11597 pkgSetting.setInstalled(true, userId); 11598 pkgSetting.setHidden(false, userId); 11599 mSettings.writePackageRestrictionsLPr(userId); 11600 installed = true; 11601 } 11602 } 11603 11604 if (installed) { 11605 if (pkgSetting.pkg != null) { 11606 synchronized (mInstallLock) { 11607 // We don't need to freeze for a brand new install 11608 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11609 } 11610 } 11611 sendPackageAddedForUser(packageName, pkgSetting, userId); 11612 } 11613 } finally { 11614 Binder.restoreCallingIdentity(callingId); 11615 } 11616 11617 return PackageManager.INSTALL_SUCCEEDED; 11618 } 11619 11620 boolean isUserRestricted(int userId, String restrictionKey) { 11621 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11622 if (restrictions.getBoolean(restrictionKey, false)) { 11623 Log.w(TAG, "User is restricted: " + restrictionKey); 11624 return true; 11625 } 11626 return false; 11627 } 11628 11629 @Override 11630 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11631 int userId) { 11632 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11633 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11634 true /* requireFullPermission */, true /* checkShell */, 11635 "setPackagesSuspended for user " + userId); 11636 11637 if (ArrayUtils.isEmpty(packageNames)) { 11638 return packageNames; 11639 } 11640 11641 // List of package names for whom the suspended state has changed. 11642 List<String> changedPackages = new ArrayList<>(packageNames.length); 11643 // List of package names for whom the suspended state is not set as requested in this 11644 // method. 11645 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11646 long callingId = Binder.clearCallingIdentity(); 11647 try { 11648 for (int i = 0; i < packageNames.length; i++) { 11649 String packageName = packageNames[i]; 11650 boolean changed = false; 11651 final int appId; 11652 synchronized (mPackages) { 11653 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11654 if (pkgSetting == null) { 11655 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11656 + "\". Skipping suspending/un-suspending."); 11657 unactionedPackages.add(packageName); 11658 continue; 11659 } 11660 appId = pkgSetting.appId; 11661 if (pkgSetting.getSuspended(userId) != suspended) { 11662 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11663 unactionedPackages.add(packageName); 11664 continue; 11665 } 11666 pkgSetting.setSuspended(suspended, userId); 11667 mSettings.writePackageRestrictionsLPr(userId); 11668 changed = true; 11669 changedPackages.add(packageName); 11670 } 11671 } 11672 11673 if (changed && suspended) { 11674 killApplication(packageName, UserHandle.getUid(userId, appId), 11675 "suspending package"); 11676 } 11677 } 11678 } finally { 11679 Binder.restoreCallingIdentity(callingId); 11680 } 11681 11682 if (!changedPackages.isEmpty()) { 11683 sendPackagesSuspendedForUser(changedPackages.toArray( 11684 new String[changedPackages.size()]), userId, suspended); 11685 } 11686 11687 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11688 } 11689 11690 @Override 11691 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11692 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11693 true /* requireFullPermission */, false /* checkShell */, 11694 "isPackageSuspendedForUser for user " + userId); 11695 synchronized (mPackages) { 11696 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11697 if (pkgSetting == null) { 11698 throw new IllegalArgumentException("Unknown target package: " + packageName); 11699 } 11700 return pkgSetting.getSuspended(userId); 11701 } 11702 } 11703 11704 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11705 if (isPackageDeviceAdmin(packageName, userId)) { 11706 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11707 + "\": has an active device admin"); 11708 return false; 11709 } 11710 11711 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11712 if (packageName.equals(activeLauncherPackageName)) { 11713 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11714 + "\": contains the active launcher"); 11715 return false; 11716 } 11717 11718 if (packageName.equals(mRequiredInstallerPackage)) { 11719 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11720 + "\": required for package installation"); 11721 return false; 11722 } 11723 11724 if (packageName.equals(mRequiredVerifierPackage)) { 11725 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11726 + "\": required for package verification"); 11727 return false; 11728 } 11729 11730 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11731 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11732 + "\": is the default dialer"); 11733 return false; 11734 } 11735 11736 return true; 11737 } 11738 11739 private String getActiveLauncherPackageName(int userId) { 11740 Intent intent = new Intent(Intent.ACTION_MAIN); 11741 intent.addCategory(Intent.CATEGORY_HOME); 11742 ResolveInfo resolveInfo = resolveIntent( 11743 intent, 11744 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11745 PackageManager.MATCH_DEFAULT_ONLY, 11746 userId); 11747 11748 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11749 } 11750 11751 private String getDefaultDialerPackageName(int userId) { 11752 synchronized (mPackages) { 11753 return mSettings.getDefaultDialerPackageNameLPw(userId); 11754 } 11755 } 11756 11757 @Override 11758 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11759 mContext.enforceCallingOrSelfPermission( 11760 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11761 "Only package verification agents can verify applications"); 11762 11763 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11764 final PackageVerificationResponse response = new PackageVerificationResponse( 11765 verificationCode, Binder.getCallingUid()); 11766 msg.arg1 = id; 11767 msg.obj = response; 11768 mHandler.sendMessage(msg); 11769 } 11770 11771 @Override 11772 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11773 long millisecondsToDelay) { 11774 mContext.enforceCallingOrSelfPermission( 11775 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11776 "Only package verification agents can extend verification timeouts"); 11777 11778 final PackageVerificationState state = mPendingVerification.get(id); 11779 final PackageVerificationResponse response = new PackageVerificationResponse( 11780 verificationCodeAtTimeout, Binder.getCallingUid()); 11781 11782 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11783 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11784 } 11785 if (millisecondsToDelay < 0) { 11786 millisecondsToDelay = 0; 11787 } 11788 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11789 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11790 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11791 } 11792 11793 if ((state != null) && !state.timeoutExtended()) { 11794 state.extendTimeout(); 11795 11796 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11797 msg.arg1 = id; 11798 msg.obj = response; 11799 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11800 } 11801 } 11802 11803 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11804 int verificationCode, UserHandle user) { 11805 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11806 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11807 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11808 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11809 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11810 11811 mContext.sendBroadcastAsUser(intent, user, 11812 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11813 } 11814 11815 private ComponentName matchComponentForVerifier(String packageName, 11816 List<ResolveInfo> receivers) { 11817 ActivityInfo targetReceiver = null; 11818 11819 final int NR = receivers.size(); 11820 for (int i = 0; i < NR; i++) { 11821 final ResolveInfo info = receivers.get(i); 11822 if (info.activityInfo == null) { 11823 continue; 11824 } 11825 11826 if (packageName.equals(info.activityInfo.packageName)) { 11827 targetReceiver = info.activityInfo; 11828 break; 11829 } 11830 } 11831 11832 if (targetReceiver == null) { 11833 return null; 11834 } 11835 11836 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11837 } 11838 11839 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11840 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11841 if (pkgInfo.verifiers.length == 0) { 11842 return null; 11843 } 11844 11845 final int N = pkgInfo.verifiers.length; 11846 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11847 for (int i = 0; i < N; i++) { 11848 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11849 11850 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11851 receivers); 11852 if (comp == null) { 11853 continue; 11854 } 11855 11856 final int verifierUid = getUidForVerifier(verifierInfo); 11857 if (verifierUid == -1) { 11858 continue; 11859 } 11860 11861 if (DEBUG_VERIFY) { 11862 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11863 + " with the correct signature"); 11864 } 11865 sufficientVerifiers.add(comp); 11866 verificationState.addSufficientVerifier(verifierUid); 11867 } 11868 11869 return sufficientVerifiers; 11870 } 11871 11872 private int getUidForVerifier(VerifierInfo verifierInfo) { 11873 synchronized (mPackages) { 11874 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11875 if (pkg == null) { 11876 return -1; 11877 } else if (pkg.mSignatures.length != 1) { 11878 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11879 + " has more than one signature; ignoring"); 11880 return -1; 11881 } 11882 11883 /* 11884 * If the public key of the package's signature does not match 11885 * our expected public key, then this is a different package and 11886 * we should skip. 11887 */ 11888 11889 final byte[] expectedPublicKey; 11890 try { 11891 final Signature verifierSig = pkg.mSignatures[0]; 11892 final PublicKey publicKey = verifierSig.getPublicKey(); 11893 expectedPublicKey = publicKey.getEncoded(); 11894 } catch (CertificateException e) { 11895 return -1; 11896 } 11897 11898 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11899 11900 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11901 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11902 + " does not have the expected public key; ignoring"); 11903 return -1; 11904 } 11905 11906 return pkg.applicationInfo.uid; 11907 } 11908 } 11909 11910 @Override 11911 public void finishPackageInstall(int token, boolean didLaunch) { 11912 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11913 11914 if (DEBUG_INSTALL) { 11915 Slog.v(TAG, "BM finishing package install for " + token); 11916 } 11917 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11918 11919 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11920 mHandler.sendMessage(msg); 11921 } 11922 11923 /** 11924 * Get the verification agent timeout. 11925 * 11926 * @return verification timeout in milliseconds 11927 */ 11928 private long getVerificationTimeout() { 11929 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11930 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11931 DEFAULT_VERIFICATION_TIMEOUT); 11932 } 11933 11934 /** 11935 * Get the default verification agent response code. 11936 * 11937 * @return default verification response code 11938 */ 11939 private int getDefaultVerificationResponse() { 11940 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11941 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11942 DEFAULT_VERIFICATION_RESPONSE); 11943 } 11944 11945 /** 11946 * Check whether or not package verification has been enabled. 11947 * 11948 * @return true if verification should be performed 11949 */ 11950 private boolean isVerificationEnabled(int userId, int installFlags) { 11951 if (!DEFAULT_VERIFY_ENABLE) { 11952 return false; 11953 } 11954 // Ephemeral apps don't get the full verification treatment 11955 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11956 if (DEBUG_EPHEMERAL) { 11957 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11958 } 11959 return false; 11960 } 11961 11962 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11963 11964 // Check if installing from ADB 11965 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11966 // Do not run verification in a test harness environment 11967 if (ActivityManager.isRunningInTestHarness()) { 11968 return false; 11969 } 11970 if (ensureVerifyAppsEnabled) { 11971 return true; 11972 } 11973 // Check if the developer does not want package verification for ADB installs 11974 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11975 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11976 return false; 11977 } 11978 } 11979 11980 if (ensureVerifyAppsEnabled) { 11981 return true; 11982 } 11983 11984 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11985 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11986 } 11987 11988 @Override 11989 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11990 throws RemoteException { 11991 mContext.enforceCallingOrSelfPermission( 11992 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11993 "Only intentfilter verification agents can verify applications"); 11994 11995 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11996 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11997 Binder.getCallingUid(), verificationCode, failedDomains); 11998 msg.arg1 = id; 11999 msg.obj = response; 12000 mHandler.sendMessage(msg); 12001 } 12002 12003 @Override 12004 public int getIntentVerificationStatus(String packageName, int userId) { 12005 synchronized (mPackages) { 12006 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12007 } 12008 } 12009 12010 @Override 12011 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12012 mContext.enforceCallingOrSelfPermission( 12013 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12014 12015 boolean result = false; 12016 synchronized (mPackages) { 12017 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12018 } 12019 if (result) { 12020 scheduleWritePackageRestrictionsLocked(userId); 12021 } 12022 return result; 12023 } 12024 12025 @Override 12026 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12027 String packageName) { 12028 synchronized (mPackages) { 12029 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12030 } 12031 } 12032 12033 @Override 12034 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12035 if (TextUtils.isEmpty(packageName)) { 12036 return ParceledListSlice.emptyList(); 12037 } 12038 synchronized (mPackages) { 12039 PackageParser.Package pkg = mPackages.get(packageName); 12040 if (pkg == null || pkg.activities == null) { 12041 return ParceledListSlice.emptyList(); 12042 } 12043 final int count = pkg.activities.size(); 12044 ArrayList<IntentFilter> result = new ArrayList<>(); 12045 for (int n=0; n<count; n++) { 12046 PackageParser.Activity activity = pkg.activities.get(n); 12047 if (activity.intents != null && activity.intents.size() > 0) { 12048 result.addAll(activity.intents); 12049 } 12050 } 12051 return new ParceledListSlice<>(result); 12052 } 12053 } 12054 12055 @Override 12056 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12057 mContext.enforceCallingOrSelfPermission( 12058 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12059 12060 synchronized (mPackages) { 12061 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12062 if (packageName != null) { 12063 result |= updateIntentVerificationStatus(packageName, 12064 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12065 userId); 12066 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12067 packageName, userId); 12068 } 12069 return result; 12070 } 12071 } 12072 12073 @Override 12074 public String getDefaultBrowserPackageName(int userId) { 12075 synchronized (mPackages) { 12076 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12077 } 12078 } 12079 12080 /** 12081 * Get the "allow unknown sources" setting. 12082 * 12083 * @return the current "allow unknown sources" setting 12084 */ 12085 private int getUnknownSourcesSettings() { 12086 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12087 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12088 -1); 12089 } 12090 12091 @Override 12092 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12093 final int uid = Binder.getCallingUid(); 12094 // writer 12095 synchronized (mPackages) { 12096 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12097 if (targetPackageSetting == null) { 12098 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12099 } 12100 12101 PackageSetting installerPackageSetting; 12102 if (installerPackageName != null) { 12103 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12104 if (installerPackageSetting == null) { 12105 throw new IllegalArgumentException("Unknown installer package: " 12106 + installerPackageName); 12107 } 12108 } else { 12109 installerPackageSetting = null; 12110 } 12111 12112 Signature[] callerSignature; 12113 Object obj = mSettings.getUserIdLPr(uid); 12114 if (obj != null) { 12115 if (obj instanceof SharedUserSetting) { 12116 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12117 } else if (obj instanceof PackageSetting) { 12118 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12119 } else { 12120 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12121 } 12122 } else { 12123 throw new SecurityException("Unknown calling UID: " + uid); 12124 } 12125 12126 // Verify: can't set installerPackageName to a package that is 12127 // not signed with the same cert as the caller. 12128 if (installerPackageSetting != null) { 12129 if (compareSignatures(callerSignature, 12130 installerPackageSetting.signatures.mSignatures) 12131 != PackageManager.SIGNATURE_MATCH) { 12132 throw new SecurityException( 12133 "Caller does not have same cert as new installer package " 12134 + installerPackageName); 12135 } 12136 } 12137 12138 // Verify: if target already has an installer package, it must 12139 // be signed with the same cert as the caller. 12140 if (targetPackageSetting.installerPackageName != null) { 12141 PackageSetting setting = mSettings.mPackages.get( 12142 targetPackageSetting.installerPackageName); 12143 // If the currently set package isn't valid, then it's always 12144 // okay to change it. 12145 if (setting != null) { 12146 if (compareSignatures(callerSignature, 12147 setting.signatures.mSignatures) 12148 != PackageManager.SIGNATURE_MATCH) { 12149 throw new SecurityException( 12150 "Caller does not have same cert as old installer package " 12151 + targetPackageSetting.installerPackageName); 12152 } 12153 } 12154 } 12155 12156 // Okay! 12157 targetPackageSetting.installerPackageName = installerPackageName; 12158 if (installerPackageName != null) { 12159 mSettings.mInstallerPackages.add(installerPackageName); 12160 } 12161 scheduleWriteSettingsLocked(); 12162 } 12163 } 12164 12165 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12166 // Queue up an async operation since the package installation may take a little while. 12167 mHandler.post(new Runnable() { 12168 public void run() { 12169 mHandler.removeCallbacks(this); 12170 // Result object to be returned 12171 PackageInstalledInfo res = new PackageInstalledInfo(); 12172 res.setReturnCode(currentStatus); 12173 res.uid = -1; 12174 res.pkg = null; 12175 res.removedInfo = null; 12176 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12177 args.doPreInstall(res.returnCode); 12178 synchronized (mInstallLock) { 12179 installPackageTracedLI(args, res); 12180 } 12181 args.doPostInstall(res.returnCode, res.uid); 12182 } 12183 12184 // A restore should be performed at this point if (a) the install 12185 // succeeded, (b) the operation is not an update, and (c) the new 12186 // package has not opted out of backup participation. 12187 final boolean update = res.removedInfo != null 12188 && res.removedInfo.removedPackage != null; 12189 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12190 boolean doRestore = !update 12191 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12192 12193 // Set up the post-install work request bookkeeping. This will be used 12194 // and cleaned up by the post-install event handling regardless of whether 12195 // there's a restore pass performed. Token values are >= 1. 12196 int token; 12197 if (mNextInstallToken < 0) mNextInstallToken = 1; 12198 token = mNextInstallToken++; 12199 12200 PostInstallData data = new PostInstallData(args, res); 12201 mRunningInstalls.put(token, data); 12202 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12203 12204 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12205 // Pass responsibility to the Backup Manager. It will perform a 12206 // restore if appropriate, then pass responsibility back to the 12207 // Package Manager to run the post-install observer callbacks 12208 // and broadcasts. 12209 IBackupManager bm = IBackupManager.Stub.asInterface( 12210 ServiceManager.getService(Context.BACKUP_SERVICE)); 12211 if (bm != null) { 12212 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12213 + " to BM for possible restore"); 12214 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12215 try { 12216 // TODO: http://b/22388012 12217 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12218 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12219 } else { 12220 doRestore = false; 12221 } 12222 } catch (RemoteException e) { 12223 // can't happen; the backup manager is local 12224 } catch (Exception e) { 12225 Slog.e(TAG, "Exception trying to enqueue restore", e); 12226 doRestore = false; 12227 } 12228 } else { 12229 Slog.e(TAG, "Backup Manager not found!"); 12230 doRestore = false; 12231 } 12232 } 12233 12234 if (!doRestore) { 12235 // No restore possible, or the Backup Manager was mysteriously not 12236 // available -- just fire the post-install work request directly. 12237 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12238 12239 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12240 12241 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12242 mHandler.sendMessage(msg); 12243 } 12244 } 12245 }); 12246 } 12247 12248 /** 12249 * Callback from PackageSettings whenever an app is first transitioned out of the 12250 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12251 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12252 * here whether the app is the target of an ongoing install, and only send the 12253 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12254 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12255 * handling. 12256 */ 12257 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12258 // Serialize this with the rest of the install-process message chain. In the 12259 // restore-at-install case, this Runnable will necessarily run before the 12260 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12261 // are coherent. In the non-restore case, the app has already completed install 12262 // and been launched through some other means, so it is not in a problematic 12263 // state for observers to see the FIRST_LAUNCH signal. 12264 mHandler.post(new Runnable() { 12265 @Override 12266 public void run() { 12267 for (int i = 0; i < mRunningInstalls.size(); i++) { 12268 final PostInstallData data = mRunningInstalls.valueAt(i); 12269 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12270 // right package; but is it for the right user? 12271 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12272 if (userId == data.res.newUsers[uIndex]) { 12273 if (DEBUG_BACKUP) { 12274 Slog.i(TAG, "Package " + pkgName 12275 + " being restored so deferring FIRST_LAUNCH"); 12276 } 12277 return; 12278 } 12279 } 12280 } 12281 } 12282 // didn't find it, so not being restored 12283 if (DEBUG_BACKUP) { 12284 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12285 } 12286 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12287 } 12288 }); 12289 } 12290 12291 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12292 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12293 installerPkg, null, userIds); 12294 } 12295 12296 private abstract class HandlerParams { 12297 private static final int MAX_RETRIES = 4; 12298 12299 /** 12300 * Number of times startCopy() has been attempted and had a non-fatal 12301 * error. 12302 */ 12303 private int mRetries = 0; 12304 12305 /** User handle for the user requesting the information or installation. */ 12306 private final UserHandle mUser; 12307 String traceMethod; 12308 int traceCookie; 12309 12310 HandlerParams(UserHandle user) { 12311 mUser = user; 12312 } 12313 12314 UserHandle getUser() { 12315 return mUser; 12316 } 12317 12318 HandlerParams setTraceMethod(String traceMethod) { 12319 this.traceMethod = traceMethod; 12320 return this; 12321 } 12322 12323 HandlerParams setTraceCookie(int traceCookie) { 12324 this.traceCookie = traceCookie; 12325 return this; 12326 } 12327 12328 final boolean startCopy() { 12329 boolean res; 12330 try { 12331 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12332 12333 if (++mRetries > MAX_RETRIES) { 12334 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12335 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12336 handleServiceError(); 12337 return false; 12338 } else { 12339 handleStartCopy(); 12340 res = true; 12341 } 12342 } catch (RemoteException e) { 12343 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12344 mHandler.sendEmptyMessage(MCS_RECONNECT); 12345 res = false; 12346 } 12347 handleReturnCode(); 12348 return res; 12349 } 12350 12351 final void serviceError() { 12352 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12353 handleServiceError(); 12354 handleReturnCode(); 12355 } 12356 12357 abstract void handleStartCopy() throws RemoteException; 12358 abstract void handleServiceError(); 12359 abstract void handleReturnCode(); 12360 } 12361 12362 class MeasureParams extends HandlerParams { 12363 private final PackageStats mStats; 12364 private boolean mSuccess; 12365 12366 private final IPackageStatsObserver mObserver; 12367 12368 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12369 super(new UserHandle(stats.userHandle)); 12370 mObserver = observer; 12371 mStats = stats; 12372 } 12373 12374 @Override 12375 public String toString() { 12376 return "MeasureParams{" 12377 + Integer.toHexString(System.identityHashCode(this)) 12378 + " " + mStats.packageName + "}"; 12379 } 12380 12381 @Override 12382 void handleStartCopy() throws RemoteException { 12383 synchronized (mInstallLock) { 12384 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12385 } 12386 12387 if (mSuccess) { 12388 boolean mounted = false; 12389 try { 12390 final String status = Environment.getExternalStorageState(); 12391 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12392 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12393 } catch (Exception e) { 12394 } 12395 12396 if (mounted) { 12397 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12398 12399 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12400 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12401 12402 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12403 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12404 12405 // Always subtract cache size, since it's a subdirectory 12406 mStats.externalDataSize -= mStats.externalCacheSize; 12407 12408 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12409 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12410 12411 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12412 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12413 } 12414 } 12415 } 12416 12417 @Override 12418 void handleReturnCode() { 12419 if (mObserver != null) { 12420 try { 12421 mObserver.onGetStatsCompleted(mStats, mSuccess); 12422 } catch (RemoteException e) { 12423 Slog.i(TAG, "Observer no longer exists."); 12424 } 12425 } 12426 } 12427 12428 @Override 12429 void handleServiceError() { 12430 Slog.e(TAG, "Could not measure application " + mStats.packageName 12431 + " external storage"); 12432 } 12433 } 12434 12435 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12436 throws RemoteException { 12437 long result = 0; 12438 for (File path : paths) { 12439 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12440 } 12441 return result; 12442 } 12443 12444 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12445 for (File path : paths) { 12446 try { 12447 mcs.clearDirectory(path.getAbsolutePath()); 12448 } catch (RemoteException e) { 12449 } 12450 } 12451 } 12452 12453 static class OriginInfo { 12454 /** 12455 * Location where install is coming from, before it has been 12456 * copied/renamed into place. This could be a single monolithic APK 12457 * file, or a cluster directory. This location may be untrusted. 12458 */ 12459 final File file; 12460 final String cid; 12461 12462 /** 12463 * Flag indicating that {@link #file} or {@link #cid} has already been 12464 * staged, meaning downstream users don't need to defensively copy the 12465 * contents. 12466 */ 12467 final boolean staged; 12468 12469 /** 12470 * Flag indicating that {@link #file} or {@link #cid} is an already 12471 * installed app that is being moved. 12472 */ 12473 final boolean existing; 12474 12475 final String resolvedPath; 12476 final File resolvedFile; 12477 12478 static OriginInfo fromNothing() { 12479 return new OriginInfo(null, null, false, false); 12480 } 12481 12482 static OriginInfo fromUntrustedFile(File file) { 12483 return new OriginInfo(file, null, false, false); 12484 } 12485 12486 static OriginInfo fromExistingFile(File file) { 12487 return new OriginInfo(file, null, false, true); 12488 } 12489 12490 static OriginInfo fromStagedFile(File file) { 12491 return new OriginInfo(file, null, true, false); 12492 } 12493 12494 static OriginInfo fromStagedContainer(String cid) { 12495 return new OriginInfo(null, cid, true, false); 12496 } 12497 12498 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12499 this.file = file; 12500 this.cid = cid; 12501 this.staged = staged; 12502 this.existing = existing; 12503 12504 if (cid != null) { 12505 resolvedPath = PackageHelper.getSdDir(cid); 12506 resolvedFile = new File(resolvedPath); 12507 } else if (file != null) { 12508 resolvedPath = file.getAbsolutePath(); 12509 resolvedFile = file; 12510 } else { 12511 resolvedPath = null; 12512 resolvedFile = null; 12513 } 12514 } 12515 } 12516 12517 static class MoveInfo { 12518 final int moveId; 12519 final String fromUuid; 12520 final String toUuid; 12521 final String packageName; 12522 final String dataAppName; 12523 final int appId; 12524 final String seinfo; 12525 final int targetSdkVersion; 12526 12527 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12528 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12529 this.moveId = moveId; 12530 this.fromUuid = fromUuid; 12531 this.toUuid = toUuid; 12532 this.packageName = packageName; 12533 this.dataAppName = dataAppName; 12534 this.appId = appId; 12535 this.seinfo = seinfo; 12536 this.targetSdkVersion = targetSdkVersion; 12537 } 12538 } 12539 12540 static class VerificationInfo { 12541 /** A constant used to indicate that a uid value is not present. */ 12542 public static final int NO_UID = -1; 12543 12544 /** URI referencing where the package was downloaded from. */ 12545 final Uri originatingUri; 12546 12547 /** HTTP referrer URI associated with the originatingURI. */ 12548 final Uri referrer; 12549 12550 /** UID of the application that the install request originated from. */ 12551 final int originatingUid; 12552 12553 /** UID of application requesting the install */ 12554 final int installerUid; 12555 12556 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12557 this.originatingUri = originatingUri; 12558 this.referrer = referrer; 12559 this.originatingUid = originatingUid; 12560 this.installerUid = installerUid; 12561 } 12562 } 12563 12564 class InstallParams extends HandlerParams { 12565 final OriginInfo origin; 12566 final MoveInfo move; 12567 final IPackageInstallObserver2 observer; 12568 int installFlags; 12569 final String installerPackageName; 12570 final String volumeUuid; 12571 private InstallArgs mArgs; 12572 private int mRet; 12573 final String packageAbiOverride; 12574 final String[] grantedRuntimePermissions; 12575 final VerificationInfo verificationInfo; 12576 final Certificate[][] certificates; 12577 12578 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12579 int installFlags, String installerPackageName, String volumeUuid, 12580 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12581 String[] grantedPermissions, Certificate[][] certificates) { 12582 super(user); 12583 this.origin = origin; 12584 this.move = move; 12585 this.observer = observer; 12586 this.installFlags = installFlags; 12587 this.installerPackageName = installerPackageName; 12588 this.volumeUuid = volumeUuid; 12589 this.verificationInfo = verificationInfo; 12590 this.packageAbiOverride = packageAbiOverride; 12591 this.grantedRuntimePermissions = grantedPermissions; 12592 this.certificates = certificates; 12593 } 12594 12595 @Override 12596 public String toString() { 12597 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12598 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12599 } 12600 12601 private int installLocationPolicy(PackageInfoLite pkgLite) { 12602 String packageName = pkgLite.packageName; 12603 int installLocation = pkgLite.installLocation; 12604 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12605 // reader 12606 synchronized (mPackages) { 12607 // Currently installed package which the new package is attempting to replace or 12608 // null if no such package is installed. 12609 PackageParser.Package installedPkg = mPackages.get(packageName); 12610 // Package which currently owns the data which the new package will own if installed. 12611 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12612 // will be null whereas dataOwnerPkg will contain information about the package 12613 // which was uninstalled while keeping its data. 12614 PackageParser.Package dataOwnerPkg = installedPkg; 12615 if (dataOwnerPkg == null) { 12616 PackageSetting ps = mSettings.mPackages.get(packageName); 12617 if (ps != null) { 12618 dataOwnerPkg = ps.pkg; 12619 } 12620 } 12621 12622 if (dataOwnerPkg != null) { 12623 // If installed, the package will get access to data left on the device by its 12624 // predecessor. As a security measure, this is permited only if this is not a 12625 // version downgrade or if the predecessor package is marked as debuggable and 12626 // a downgrade is explicitly requested. 12627 // 12628 // On debuggable platform builds, downgrades are permitted even for 12629 // non-debuggable packages to make testing easier. Debuggable platform builds do 12630 // not offer security guarantees and thus it's OK to disable some security 12631 // mechanisms to make debugging/testing easier on those builds. However, even on 12632 // debuggable builds downgrades of packages are permitted only if requested via 12633 // installFlags. This is because we aim to keep the behavior of debuggable 12634 // platform builds as close as possible to the behavior of non-debuggable 12635 // platform builds. 12636 final boolean downgradeRequested = 12637 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12638 final boolean packageDebuggable = 12639 (dataOwnerPkg.applicationInfo.flags 12640 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12641 final boolean downgradePermitted = 12642 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12643 if (!downgradePermitted) { 12644 try { 12645 checkDowngrade(dataOwnerPkg, pkgLite); 12646 } catch (PackageManagerException e) { 12647 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12648 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12649 } 12650 } 12651 } 12652 12653 if (installedPkg != null) { 12654 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12655 // Check for updated system application. 12656 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12657 if (onSd) { 12658 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12659 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12660 } 12661 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12662 } else { 12663 if (onSd) { 12664 // Install flag overrides everything. 12665 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12666 } 12667 // If current upgrade specifies particular preference 12668 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12669 // Application explicitly specified internal. 12670 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12671 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12672 // App explictly prefers external. Let policy decide 12673 } else { 12674 // Prefer previous location 12675 if (isExternal(installedPkg)) { 12676 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12677 } 12678 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12679 } 12680 } 12681 } else { 12682 // Invalid install. Return error code 12683 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12684 } 12685 } 12686 } 12687 // All the special cases have been taken care of. 12688 // Return result based on recommended install location. 12689 if (onSd) { 12690 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12691 } 12692 return pkgLite.recommendedInstallLocation; 12693 } 12694 12695 /* 12696 * Invoke remote method to get package information and install 12697 * location values. Override install location based on default 12698 * policy if needed and then create install arguments based 12699 * on the install location. 12700 */ 12701 public void handleStartCopy() throws RemoteException { 12702 int ret = PackageManager.INSTALL_SUCCEEDED; 12703 12704 // If we're already staged, we've firmly committed to an install location 12705 if (origin.staged) { 12706 if (origin.file != null) { 12707 installFlags |= PackageManager.INSTALL_INTERNAL; 12708 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12709 } else if (origin.cid != null) { 12710 installFlags |= PackageManager.INSTALL_EXTERNAL; 12711 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12712 } else { 12713 throw new IllegalStateException("Invalid stage location"); 12714 } 12715 } 12716 12717 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12718 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12719 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12720 PackageInfoLite pkgLite = null; 12721 12722 if (onInt && onSd) { 12723 // Check if both bits are set. 12724 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12725 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12726 } else if (onSd && ephemeral) { 12727 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12728 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12729 } else { 12730 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12731 packageAbiOverride); 12732 12733 if (DEBUG_EPHEMERAL && ephemeral) { 12734 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12735 } 12736 12737 /* 12738 * If we have too little free space, try to free cache 12739 * before giving up. 12740 */ 12741 if (!origin.staged && pkgLite.recommendedInstallLocation 12742 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12743 // TODO: focus freeing disk space on the target device 12744 final StorageManager storage = StorageManager.from(mContext); 12745 final long lowThreshold = storage.getStorageLowBytes( 12746 Environment.getDataDirectory()); 12747 12748 final long sizeBytes = mContainerService.calculateInstalledSize( 12749 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12750 12751 try { 12752 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12753 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12754 installFlags, packageAbiOverride); 12755 } catch (InstallerException e) { 12756 Slog.w(TAG, "Failed to free cache", e); 12757 } 12758 12759 /* 12760 * The cache free must have deleted the file we 12761 * downloaded to install. 12762 * 12763 * TODO: fix the "freeCache" call to not delete 12764 * the file we care about. 12765 */ 12766 if (pkgLite.recommendedInstallLocation 12767 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12768 pkgLite.recommendedInstallLocation 12769 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12770 } 12771 } 12772 } 12773 12774 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12775 int loc = pkgLite.recommendedInstallLocation; 12776 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12777 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12778 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12779 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12780 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12781 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12782 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12783 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12784 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12785 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12786 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12787 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12788 } else { 12789 // Override with defaults if needed. 12790 loc = installLocationPolicy(pkgLite); 12791 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12792 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12793 } else if (!onSd && !onInt) { 12794 // Override install location with flags 12795 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12796 // Set the flag to install on external media. 12797 installFlags |= PackageManager.INSTALL_EXTERNAL; 12798 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12799 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12800 if (DEBUG_EPHEMERAL) { 12801 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12802 } 12803 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12804 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12805 |PackageManager.INSTALL_INTERNAL); 12806 } else { 12807 // Make sure the flag for installing on external 12808 // media is unset 12809 installFlags |= PackageManager.INSTALL_INTERNAL; 12810 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12811 } 12812 } 12813 } 12814 } 12815 12816 final InstallArgs args = createInstallArgs(this); 12817 mArgs = args; 12818 12819 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12820 // TODO: http://b/22976637 12821 // Apps installed for "all" users use the device owner to verify the app 12822 UserHandle verifierUser = getUser(); 12823 if (verifierUser == UserHandle.ALL) { 12824 verifierUser = UserHandle.SYSTEM; 12825 } 12826 12827 /* 12828 * Determine if we have any installed package verifiers. If we 12829 * do, then we'll defer to them to verify the packages. 12830 */ 12831 final int requiredUid = mRequiredVerifierPackage == null ? -1 12832 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12833 verifierUser.getIdentifier()); 12834 if (!origin.existing && requiredUid != -1 12835 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12836 final Intent verification = new Intent( 12837 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12838 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12839 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12840 PACKAGE_MIME_TYPE); 12841 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12842 12843 // Query all live verifiers based on current user state 12844 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12845 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12846 12847 if (DEBUG_VERIFY) { 12848 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12849 + verification.toString() + " with " + pkgLite.verifiers.length 12850 + " optional verifiers"); 12851 } 12852 12853 final int verificationId = mPendingVerificationToken++; 12854 12855 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12856 12857 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12858 installerPackageName); 12859 12860 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12861 installFlags); 12862 12863 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12864 pkgLite.packageName); 12865 12866 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12867 pkgLite.versionCode); 12868 12869 if (verificationInfo != null) { 12870 if (verificationInfo.originatingUri != null) { 12871 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12872 verificationInfo.originatingUri); 12873 } 12874 if (verificationInfo.referrer != null) { 12875 verification.putExtra(Intent.EXTRA_REFERRER, 12876 verificationInfo.referrer); 12877 } 12878 if (verificationInfo.originatingUid >= 0) { 12879 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12880 verificationInfo.originatingUid); 12881 } 12882 if (verificationInfo.installerUid >= 0) { 12883 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12884 verificationInfo.installerUid); 12885 } 12886 } 12887 12888 final PackageVerificationState verificationState = new PackageVerificationState( 12889 requiredUid, args); 12890 12891 mPendingVerification.append(verificationId, verificationState); 12892 12893 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12894 receivers, verificationState); 12895 12896 /* 12897 * If any sufficient verifiers were listed in the package 12898 * manifest, attempt to ask them. 12899 */ 12900 if (sufficientVerifiers != null) { 12901 final int N = sufficientVerifiers.size(); 12902 if (N == 0) { 12903 Slog.i(TAG, "Additional verifiers required, but none installed."); 12904 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12905 } else { 12906 for (int i = 0; i < N; i++) { 12907 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12908 12909 final Intent sufficientIntent = new Intent(verification); 12910 sufficientIntent.setComponent(verifierComponent); 12911 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12912 } 12913 } 12914 } 12915 12916 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12917 mRequiredVerifierPackage, receivers); 12918 if (ret == PackageManager.INSTALL_SUCCEEDED 12919 && mRequiredVerifierPackage != null) { 12920 Trace.asyncTraceBegin( 12921 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12922 /* 12923 * Send the intent to the required verification agent, 12924 * but only start the verification timeout after the 12925 * target BroadcastReceivers have run. 12926 */ 12927 verification.setComponent(requiredVerifierComponent); 12928 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12929 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12930 new BroadcastReceiver() { 12931 @Override 12932 public void onReceive(Context context, Intent intent) { 12933 final Message msg = mHandler 12934 .obtainMessage(CHECK_PENDING_VERIFICATION); 12935 msg.arg1 = verificationId; 12936 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12937 } 12938 }, null, 0, null, null); 12939 12940 /* 12941 * We don't want the copy to proceed until verification 12942 * succeeds, so null out this field. 12943 */ 12944 mArgs = null; 12945 } 12946 } else { 12947 /* 12948 * No package verification is enabled, so immediately start 12949 * the remote call to initiate copy using temporary file. 12950 */ 12951 ret = args.copyApk(mContainerService, true); 12952 } 12953 } 12954 12955 mRet = ret; 12956 } 12957 12958 @Override 12959 void handleReturnCode() { 12960 // If mArgs is null, then MCS couldn't be reached. When it 12961 // reconnects, it will try again to install. At that point, this 12962 // will succeed. 12963 if (mArgs != null) { 12964 processPendingInstall(mArgs, mRet); 12965 } 12966 } 12967 12968 @Override 12969 void handleServiceError() { 12970 mArgs = createInstallArgs(this); 12971 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12972 } 12973 12974 public boolean isForwardLocked() { 12975 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12976 } 12977 } 12978 12979 /** 12980 * Used during creation of InstallArgs 12981 * 12982 * @param installFlags package installation flags 12983 * @return true if should be installed on external storage 12984 */ 12985 private static boolean installOnExternalAsec(int installFlags) { 12986 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12987 return false; 12988 } 12989 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12990 return true; 12991 } 12992 return false; 12993 } 12994 12995 /** 12996 * Used during creation of InstallArgs 12997 * 12998 * @param installFlags package installation flags 12999 * @return true if should be installed as forward locked 13000 */ 13001 private static boolean installForwardLocked(int installFlags) { 13002 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13003 } 13004 13005 private InstallArgs createInstallArgs(InstallParams params) { 13006 if (params.move != null) { 13007 return new MoveInstallArgs(params); 13008 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13009 return new AsecInstallArgs(params); 13010 } else { 13011 return new FileInstallArgs(params); 13012 } 13013 } 13014 13015 /** 13016 * Create args that describe an existing installed package. Typically used 13017 * when cleaning up old installs, or used as a move source. 13018 */ 13019 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13020 String resourcePath, String[] instructionSets) { 13021 final boolean isInAsec; 13022 if (installOnExternalAsec(installFlags)) { 13023 /* Apps on SD card are always in ASEC containers. */ 13024 isInAsec = true; 13025 } else if (installForwardLocked(installFlags) 13026 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13027 /* 13028 * Forward-locked apps are only in ASEC containers if they're the 13029 * new style 13030 */ 13031 isInAsec = true; 13032 } else { 13033 isInAsec = false; 13034 } 13035 13036 if (isInAsec) { 13037 return new AsecInstallArgs(codePath, instructionSets, 13038 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13039 } else { 13040 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13041 } 13042 } 13043 13044 static abstract class InstallArgs { 13045 /** @see InstallParams#origin */ 13046 final OriginInfo origin; 13047 /** @see InstallParams#move */ 13048 final MoveInfo move; 13049 13050 final IPackageInstallObserver2 observer; 13051 // Always refers to PackageManager flags only 13052 final int installFlags; 13053 final String installerPackageName; 13054 final String volumeUuid; 13055 final UserHandle user; 13056 final String abiOverride; 13057 final String[] installGrantPermissions; 13058 /** If non-null, drop an async trace when the install completes */ 13059 final String traceMethod; 13060 final int traceCookie; 13061 final Certificate[][] certificates; 13062 13063 // The list of instruction sets supported by this app. This is currently 13064 // only used during the rmdex() phase to clean up resources. We can get rid of this 13065 // if we move dex files under the common app path. 13066 /* nullable */ String[] instructionSets; 13067 13068 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13069 int installFlags, String installerPackageName, String volumeUuid, 13070 UserHandle user, String[] instructionSets, 13071 String abiOverride, String[] installGrantPermissions, 13072 String traceMethod, int traceCookie, Certificate[][] certificates) { 13073 this.origin = origin; 13074 this.move = move; 13075 this.installFlags = installFlags; 13076 this.observer = observer; 13077 this.installerPackageName = installerPackageName; 13078 this.volumeUuid = volumeUuid; 13079 this.user = user; 13080 this.instructionSets = instructionSets; 13081 this.abiOverride = abiOverride; 13082 this.installGrantPermissions = installGrantPermissions; 13083 this.traceMethod = traceMethod; 13084 this.traceCookie = traceCookie; 13085 this.certificates = certificates; 13086 } 13087 13088 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13089 abstract int doPreInstall(int status); 13090 13091 /** 13092 * Rename package into final resting place. All paths on the given 13093 * scanned package should be updated to reflect the rename. 13094 */ 13095 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13096 abstract int doPostInstall(int status, int uid); 13097 13098 /** @see PackageSettingBase#codePathString */ 13099 abstract String getCodePath(); 13100 /** @see PackageSettingBase#resourcePathString */ 13101 abstract String getResourcePath(); 13102 13103 // Need installer lock especially for dex file removal. 13104 abstract void cleanUpResourcesLI(); 13105 abstract boolean doPostDeleteLI(boolean delete); 13106 13107 /** 13108 * Called before the source arguments are copied. This is used mostly 13109 * for MoveParams when it needs to read the source file to put it in the 13110 * destination. 13111 */ 13112 int doPreCopy() { 13113 return PackageManager.INSTALL_SUCCEEDED; 13114 } 13115 13116 /** 13117 * Called after the source arguments are copied. This is used mostly for 13118 * MoveParams when it needs to read the source file to put it in the 13119 * destination. 13120 */ 13121 int doPostCopy(int uid) { 13122 return PackageManager.INSTALL_SUCCEEDED; 13123 } 13124 13125 protected boolean isFwdLocked() { 13126 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13127 } 13128 13129 protected boolean isExternalAsec() { 13130 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13131 } 13132 13133 protected boolean isEphemeral() { 13134 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13135 } 13136 13137 UserHandle getUser() { 13138 return user; 13139 } 13140 } 13141 13142 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13143 if (!allCodePaths.isEmpty()) { 13144 if (instructionSets == null) { 13145 throw new IllegalStateException("instructionSet == null"); 13146 } 13147 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13148 for (String codePath : allCodePaths) { 13149 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13150 try { 13151 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13152 } catch (InstallerException ignored) { 13153 } 13154 } 13155 } 13156 } 13157 } 13158 13159 /** 13160 * Logic to handle installation of non-ASEC applications, including copying 13161 * and renaming logic. 13162 */ 13163 class FileInstallArgs extends InstallArgs { 13164 private File codeFile; 13165 private File resourceFile; 13166 13167 // Example topology: 13168 // /data/app/com.example/base.apk 13169 // /data/app/com.example/split_foo.apk 13170 // /data/app/com.example/lib/arm/libfoo.so 13171 // /data/app/com.example/lib/arm64/libfoo.so 13172 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13173 13174 /** New install */ 13175 FileInstallArgs(InstallParams params) { 13176 super(params.origin, params.move, params.observer, params.installFlags, 13177 params.installerPackageName, params.volumeUuid, 13178 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13179 params.grantedRuntimePermissions, 13180 params.traceMethod, params.traceCookie, params.certificates); 13181 if (isFwdLocked()) { 13182 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13183 } 13184 } 13185 13186 /** Existing install */ 13187 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13188 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13189 null, null, null, 0, null /*certificates*/); 13190 this.codeFile = (codePath != null) ? new File(codePath) : null; 13191 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13192 } 13193 13194 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13195 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13196 try { 13197 return doCopyApk(imcs, temp); 13198 } finally { 13199 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13200 } 13201 } 13202 13203 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13204 if (origin.staged) { 13205 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13206 codeFile = origin.file; 13207 resourceFile = origin.file; 13208 return PackageManager.INSTALL_SUCCEEDED; 13209 } 13210 13211 try { 13212 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13213 final File tempDir = 13214 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13215 codeFile = tempDir; 13216 resourceFile = tempDir; 13217 } catch (IOException e) { 13218 Slog.w(TAG, "Failed to create copy file: " + e); 13219 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13220 } 13221 13222 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13223 @Override 13224 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13225 if (!FileUtils.isValidExtFilename(name)) { 13226 throw new IllegalArgumentException("Invalid filename: " + name); 13227 } 13228 try { 13229 final File file = new File(codeFile, name); 13230 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13231 O_RDWR | O_CREAT, 0644); 13232 Os.chmod(file.getAbsolutePath(), 0644); 13233 return new ParcelFileDescriptor(fd); 13234 } catch (ErrnoException e) { 13235 throw new RemoteException("Failed to open: " + e.getMessage()); 13236 } 13237 } 13238 }; 13239 13240 int ret = PackageManager.INSTALL_SUCCEEDED; 13241 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13242 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13243 Slog.e(TAG, "Failed to copy package"); 13244 return ret; 13245 } 13246 13247 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13248 NativeLibraryHelper.Handle handle = null; 13249 try { 13250 handle = NativeLibraryHelper.Handle.create(codeFile); 13251 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13252 abiOverride); 13253 } catch (IOException e) { 13254 Slog.e(TAG, "Copying native libraries failed", e); 13255 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13256 } finally { 13257 IoUtils.closeQuietly(handle); 13258 } 13259 13260 return ret; 13261 } 13262 13263 int doPreInstall(int status) { 13264 if (status != PackageManager.INSTALL_SUCCEEDED) { 13265 cleanUp(); 13266 } 13267 return status; 13268 } 13269 13270 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13271 if (status != PackageManager.INSTALL_SUCCEEDED) { 13272 cleanUp(); 13273 return false; 13274 } 13275 13276 final File targetDir = codeFile.getParentFile(); 13277 final File beforeCodeFile = codeFile; 13278 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13279 13280 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13281 try { 13282 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13283 } catch (ErrnoException e) { 13284 Slog.w(TAG, "Failed to rename", e); 13285 return false; 13286 } 13287 13288 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13289 Slog.w(TAG, "Failed to restorecon"); 13290 return false; 13291 } 13292 13293 // Reflect the rename internally 13294 codeFile = afterCodeFile; 13295 resourceFile = afterCodeFile; 13296 13297 // Reflect the rename in scanned details 13298 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13299 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13300 afterCodeFile, pkg.baseCodePath)); 13301 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13302 afterCodeFile, pkg.splitCodePaths)); 13303 13304 // Reflect the rename in app info 13305 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13306 pkg.setApplicationInfoCodePath(pkg.codePath); 13307 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13308 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13309 pkg.setApplicationInfoResourcePath(pkg.codePath); 13310 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13311 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13312 13313 return true; 13314 } 13315 13316 int doPostInstall(int status, int uid) { 13317 if (status != PackageManager.INSTALL_SUCCEEDED) { 13318 cleanUp(); 13319 } 13320 return status; 13321 } 13322 13323 @Override 13324 String getCodePath() { 13325 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13326 } 13327 13328 @Override 13329 String getResourcePath() { 13330 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13331 } 13332 13333 private boolean cleanUp() { 13334 if (codeFile == null || !codeFile.exists()) { 13335 return false; 13336 } 13337 13338 removeCodePathLI(codeFile); 13339 13340 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13341 resourceFile.delete(); 13342 } 13343 13344 return true; 13345 } 13346 13347 void cleanUpResourcesLI() { 13348 // Try enumerating all code paths before deleting 13349 List<String> allCodePaths = Collections.EMPTY_LIST; 13350 if (codeFile != null && codeFile.exists()) { 13351 try { 13352 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13353 allCodePaths = pkg.getAllCodePaths(); 13354 } catch (PackageParserException e) { 13355 // Ignored; we tried our best 13356 } 13357 } 13358 13359 cleanUp(); 13360 removeDexFiles(allCodePaths, instructionSets); 13361 } 13362 13363 boolean doPostDeleteLI(boolean delete) { 13364 // XXX err, shouldn't we respect the delete flag? 13365 cleanUpResourcesLI(); 13366 return true; 13367 } 13368 } 13369 13370 private boolean isAsecExternal(String cid) { 13371 final String asecPath = PackageHelper.getSdFilesystem(cid); 13372 return !asecPath.startsWith(mAsecInternalPath); 13373 } 13374 13375 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13376 PackageManagerException { 13377 if (copyRet < 0) { 13378 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13379 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13380 throw new PackageManagerException(copyRet, message); 13381 } 13382 } 13383 } 13384 13385 /** 13386 * Extract the MountService "container ID" from the full code path of an 13387 * .apk. 13388 */ 13389 static String cidFromCodePath(String fullCodePath) { 13390 int eidx = fullCodePath.lastIndexOf("/"); 13391 String subStr1 = fullCodePath.substring(0, eidx); 13392 int sidx = subStr1.lastIndexOf("/"); 13393 return subStr1.substring(sidx+1, eidx); 13394 } 13395 13396 /** 13397 * Logic to handle installation of ASEC applications, including copying and 13398 * renaming logic. 13399 */ 13400 class AsecInstallArgs extends InstallArgs { 13401 static final String RES_FILE_NAME = "pkg.apk"; 13402 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13403 13404 String cid; 13405 String packagePath; 13406 String resourcePath; 13407 13408 /** New install */ 13409 AsecInstallArgs(InstallParams params) { 13410 super(params.origin, params.move, params.observer, params.installFlags, 13411 params.installerPackageName, params.volumeUuid, 13412 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13413 params.grantedRuntimePermissions, 13414 params.traceMethod, params.traceCookie, params.certificates); 13415 } 13416 13417 /** Existing install */ 13418 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13419 boolean isExternal, boolean isForwardLocked) { 13420 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13421 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13422 instructionSets, null, null, null, 0, null /*certificates*/); 13423 // Hackily pretend we're still looking at a full code path 13424 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13425 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13426 } 13427 13428 // Extract cid from fullCodePath 13429 int eidx = fullCodePath.lastIndexOf("/"); 13430 String subStr1 = fullCodePath.substring(0, eidx); 13431 int sidx = subStr1.lastIndexOf("/"); 13432 cid = subStr1.substring(sidx+1, eidx); 13433 setMountPath(subStr1); 13434 } 13435 13436 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13437 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13438 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13439 instructionSets, null, null, null, 0, null /*certificates*/); 13440 this.cid = cid; 13441 setMountPath(PackageHelper.getSdDir(cid)); 13442 } 13443 13444 void createCopyFile() { 13445 cid = mInstallerService.allocateExternalStageCidLegacy(); 13446 } 13447 13448 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13449 if (origin.staged && origin.cid != null) { 13450 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13451 cid = origin.cid; 13452 setMountPath(PackageHelper.getSdDir(cid)); 13453 return PackageManager.INSTALL_SUCCEEDED; 13454 } 13455 13456 if (temp) { 13457 createCopyFile(); 13458 } else { 13459 /* 13460 * Pre-emptively destroy the container since it's destroyed if 13461 * copying fails due to it existing anyway. 13462 */ 13463 PackageHelper.destroySdDir(cid); 13464 } 13465 13466 final String newMountPath = imcs.copyPackageToContainer( 13467 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13468 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13469 13470 if (newMountPath != null) { 13471 setMountPath(newMountPath); 13472 return PackageManager.INSTALL_SUCCEEDED; 13473 } else { 13474 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13475 } 13476 } 13477 13478 @Override 13479 String getCodePath() { 13480 return packagePath; 13481 } 13482 13483 @Override 13484 String getResourcePath() { 13485 return resourcePath; 13486 } 13487 13488 int doPreInstall(int status) { 13489 if (status != PackageManager.INSTALL_SUCCEEDED) { 13490 // Destroy container 13491 PackageHelper.destroySdDir(cid); 13492 } else { 13493 boolean mounted = PackageHelper.isContainerMounted(cid); 13494 if (!mounted) { 13495 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13496 Process.SYSTEM_UID); 13497 if (newMountPath != null) { 13498 setMountPath(newMountPath); 13499 } else { 13500 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13501 } 13502 } 13503 } 13504 return status; 13505 } 13506 13507 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13508 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13509 String newMountPath = null; 13510 if (PackageHelper.isContainerMounted(cid)) { 13511 // Unmount the container 13512 if (!PackageHelper.unMountSdDir(cid)) { 13513 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13514 return false; 13515 } 13516 } 13517 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13518 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13519 " which might be stale. Will try to clean up."); 13520 // Clean up the stale container and proceed to recreate. 13521 if (!PackageHelper.destroySdDir(newCacheId)) { 13522 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13523 return false; 13524 } 13525 // Successfully cleaned up stale container. Try to rename again. 13526 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13527 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13528 + " inspite of cleaning it up."); 13529 return false; 13530 } 13531 } 13532 if (!PackageHelper.isContainerMounted(newCacheId)) { 13533 Slog.w(TAG, "Mounting container " + newCacheId); 13534 newMountPath = PackageHelper.mountSdDir(newCacheId, 13535 getEncryptKey(), Process.SYSTEM_UID); 13536 } else { 13537 newMountPath = PackageHelper.getSdDir(newCacheId); 13538 } 13539 if (newMountPath == null) { 13540 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13541 return false; 13542 } 13543 Log.i(TAG, "Succesfully renamed " + cid + 13544 " to " + newCacheId + 13545 " at new path: " + newMountPath); 13546 cid = newCacheId; 13547 13548 final File beforeCodeFile = new File(packagePath); 13549 setMountPath(newMountPath); 13550 final File afterCodeFile = new File(packagePath); 13551 13552 // Reflect the rename in scanned details 13553 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13554 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13555 afterCodeFile, pkg.baseCodePath)); 13556 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13557 afterCodeFile, pkg.splitCodePaths)); 13558 13559 // Reflect the rename in app info 13560 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13561 pkg.setApplicationInfoCodePath(pkg.codePath); 13562 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13563 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13564 pkg.setApplicationInfoResourcePath(pkg.codePath); 13565 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13566 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13567 13568 return true; 13569 } 13570 13571 private void setMountPath(String mountPath) { 13572 final File mountFile = new File(mountPath); 13573 13574 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13575 if (monolithicFile.exists()) { 13576 packagePath = monolithicFile.getAbsolutePath(); 13577 if (isFwdLocked()) { 13578 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13579 } else { 13580 resourcePath = packagePath; 13581 } 13582 } else { 13583 packagePath = mountFile.getAbsolutePath(); 13584 resourcePath = packagePath; 13585 } 13586 } 13587 13588 int doPostInstall(int status, int uid) { 13589 if (status != PackageManager.INSTALL_SUCCEEDED) { 13590 cleanUp(); 13591 } else { 13592 final int groupOwner; 13593 final String protectedFile; 13594 if (isFwdLocked()) { 13595 groupOwner = UserHandle.getSharedAppGid(uid); 13596 protectedFile = RES_FILE_NAME; 13597 } else { 13598 groupOwner = -1; 13599 protectedFile = null; 13600 } 13601 13602 if (uid < Process.FIRST_APPLICATION_UID 13603 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13604 Slog.e(TAG, "Failed to finalize " + cid); 13605 PackageHelper.destroySdDir(cid); 13606 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13607 } 13608 13609 boolean mounted = PackageHelper.isContainerMounted(cid); 13610 if (!mounted) { 13611 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13612 } 13613 } 13614 return status; 13615 } 13616 13617 private void cleanUp() { 13618 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13619 13620 // Destroy secure container 13621 PackageHelper.destroySdDir(cid); 13622 } 13623 13624 private List<String> getAllCodePaths() { 13625 final File codeFile = new File(getCodePath()); 13626 if (codeFile != null && codeFile.exists()) { 13627 try { 13628 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13629 return pkg.getAllCodePaths(); 13630 } catch (PackageParserException e) { 13631 // Ignored; we tried our best 13632 } 13633 } 13634 return Collections.EMPTY_LIST; 13635 } 13636 13637 void cleanUpResourcesLI() { 13638 // Enumerate all code paths before deleting 13639 cleanUpResourcesLI(getAllCodePaths()); 13640 } 13641 13642 private void cleanUpResourcesLI(List<String> allCodePaths) { 13643 cleanUp(); 13644 removeDexFiles(allCodePaths, instructionSets); 13645 } 13646 13647 String getPackageName() { 13648 return getAsecPackageName(cid); 13649 } 13650 13651 boolean doPostDeleteLI(boolean delete) { 13652 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13653 final List<String> allCodePaths = getAllCodePaths(); 13654 boolean mounted = PackageHelper.isContainerMounted(cid); 13655 if (mounted) { 13656 // Unmount first 13657 if (PackageHelper.unMountSdDir(cid)) { 13658 mounted = false; 13659 } 13660 } 13661 if (!mounted && delete) { 13662 cleanUpResourcesLI(allCodePaths); 13663 } 13664 return !mounted; 13665 } 13666 13667 @Override 13668 int doPreCopy() { 13669 if (isFwdLocked()) { 13670 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13671 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13672 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13673 } 13674 } 13675 13676 return PackageManager.INSTALL_SUCCEEDED; 13677 } 13678 13679 @Override 13680 int doPostCopy(int uid) { 13681 if (isFwdLocked()) { 13682 if (uid < Process.FIRST_APPLICATION_UID 13683 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13684 RES_FILE_NAME)) { 13685 Slog.e(TAG, "Failed to finalize " + cid); 13686 PackageHelper.destroySdDir(cid); 13687 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13688 } 13689 } 13690 13691 return PackageManager.INSTALL_SUCCEEDED; 13692 } 13693 } 13694 13695 /** 13696 * Logic to handle movement of existing installed applications. 13697 */ 13698 class MoveInstallArgs extends InstallArgs { 13699 private File codeFile; 13700 private File resourceFile; 13701 13702 /** New install */ 13703 MoveInstallArgs(InstallParams params) { 13704 super(params.origin, params.move, params.observer, params.installFlags, 13705 params.installerPackageName, params.volumeUuid, 13706 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13707 params.grantedRuntimePermissions, 13708 params.traceMethod, params.traceCookie, params.certificates); 13709 } 13710 13711 int copyApk(IMediaContainerService imcs, boolean temp) { 13712 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13713 + move.fromUuid + " to " + move.toUuid); 13714 synchronized (mInstaller) { 13715 try { 13716 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13717 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13718 } catch (InstallerException e) { 13719 Slog.w(TAG, "Failed to move app", e); 13720 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13721 } 13722 } 13723 13724 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13725 resourceFile = codeFile; 13726 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13727 13728 return PackageManager.INSTALL_SUCCEEDED; 13729 } 13730 13731 int doPreInstall(int status) { 13732 if (status != PackageManager.INSTALL_SUCCEEDED) { 13733 cleanUp(move.toUuid); 13734 } 13735 return status; 13736 } 13737 13738 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13739 if (status != PackageManager.INSTALL_SUCCEEDED) { 13740 cleanUp(move.toUuid); 13741 return false; 13742 } 13743 13744 // Reflect the move in app info 13745 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13746 pkg.setApplicationInfoCodePath(pkg.codePath); 13747 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13748 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13749 pkg.setApplicationInfoResourcePath(pkg.codePath); 13750 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13751 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13752 13753 return true; 13754 } 13755 13756 int doPostInstall(int status, int uid) { 13757 if (status == PackageManager.INSTALL_SUCCEEDED) { 13758 cleanUp(move.fromUuid); 13759 } else { 13760 cleanUp(move.toUuid); 13761 } 13762 return status; 13763 } 13764 13765 @Override 13766 String getCodePath() { 13767 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13768 } 13769 13770 @Override 13771 String getResourcePath() { 13772 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13773 } 13774 13775 private boolean cleanUp(String volumeUuid) { 13776 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13777 move.dataAppName); 13778 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13779 final int[] userIds = sUserManager.getUserIds(); 13780 synchronized (mInstallLock) { 13781 // Clean up both app data and code 13782 // All package moves are frozen until finished 13783 for (int userId : userIds) { 13784 try { 13785 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13786 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13787 } catch (InstallerException e) { 13788 Slog.w(TAG, String.valueOf(e)); 13789 } 13790 } 13791 removeCodePathLI(codeFile); 13792 } 13793 return true; 13794 } 13795 13796 void cleanUpResourcesLI() { 13797 throw new UnsupportedOperationException(); 13798 } 13799 13800 boolean doPostDeleteLI(boolean delete) { 13801 throw new UnsupportedOperationException(); 13802 } 13803 } 13804 13805 static String getAsecPackageName(String packageCid) { 13806 int idx = packageCid.lastIndexOf("-"); 13807 if (idx == -1) { 13808 return packageCid; 13809 } 13810 return packageCid.substring(0, idx); 13811 } 13812 13813 // Utility method used to create code paths based on package name and available index. 13814 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13815 String idxStr = ""; 13816 int idx = 1; 13817 // Fall back to default value of idx=1 if prefix is not 13818 // part of oldCodePath 13819 if (oldCodePath != null) { 13820 String subStr = oldCodePath; 13821 // Drop the suffix right away 13822 if (suffix != null && subStr.endsWith(suffix)) { 13823 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13824 } 13825 // If oldCodePath already contains prefix find out the 13826 // ending index to either increment or decrement. 13827 int sidx = subStr.lastIndexOf(prefix); 13828 if (sidx != -1) { 13829 subStr = subStr.substring(sidx + prefix.length()); 13830 if (subStr != null) { 13831 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13832 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13833 } 13834 try { 13835 idx = Integer.parseInt(subStr); 13836 if (idx <= 1) { 13837 idx++; 13838 } else { 13839 idx--; 13840 } 13841 } catch(NumberFormatException e) { 13842 } 13843 } 13844 } 13845 } 13846 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13847 return prefix + idxStr; 13848 } 13849 13850 private File getNextCodePath(File targetDir, String packageName) { 13851 int suffix = 1; 13852 File result; 13853 do { 13854 result = new File(targetDir, packageName + "-" + suffix); 13855 suffix++; 13856 } while (result.exists()); 13857 return result; 13858 } 13859 13860 // Utility method that returns the relative package path with respect 13861 // to the installation directory. Like say for /data/data/com.test-1.apk 13862 // string com.test-1 is returned. 13863 static String deriveCodePathName(String codePath) { 13864 if (codePath == null) { 13865 return null; 13866 } 13867 final File codeFile = new File(codePath); 13868 final String name = codeFile.getName(); 13869 if (codeFile.isDirectory()) { 13870 return name; 13871 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13872 final int lastDot = name.lastIndexOf('.'); 13873 return name.substring(0, lastDot); 13874 } else { 13875 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13876 return null; 13877 } 13878 } 13879 13880 static class PackageInstalledInfo { 13881 String name; 13882 int uid; 13883 // The set of users that originally had this package installed. 13884 int[] origUsers; 13885 // The set of users that now have this package installed. 13886 int[] newUsers; 13887 PackageParser.Package pkg; 13888 int returnCode; 13889 String returnMsg; 13890 PackageRemovedInfo removedInfo; 13891 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13892 13893 public void setError(int code, String msg) { 13894 setReturnCode(code); 13895 setReturnMessage(msg); 13896 Slog.w(TAG, msg); 13897 } 13898 13899 public void setError(String msg, PackageParserException e) { 13900 setReturnCode(e.error); 13901 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13902 Slog.w(TAG, msg, e); 13903 } 13904 13905 public void setError(String msg, PackageManagerException e) { 13906 returnCode = e.error; 13907 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13908 Slog.w(TAG, msg, e); 13909 } 13910 13911 public void setReturnCode(int returnCode) { 13912 this.returnCode = returnCode; 13913 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13914 for (int i = 0; i < childCount; i++) { 13915 addedChildPackages.valueAt(i).returnCode = returnCode; 13916 } 13917 } 13918 13919 private void setReturnMessage(String returnMsg) { 13920 this.returnMsg = returnMsg; 13921 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13922 for (int i = 0; i < childCount; i++) { 13923 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13924 } 13925 } 13926 13927 // In some error cases we want to convey more info back to the observer 13928 String origPackage; 13929 String origPermission; 13930 } 13931 13932 /* 13933 * Install a non-existing package. 13934 */ 13935 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13936 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13937 PackageInstalledInfo res) { 13938 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13939 13940 // Remember this for later, in case we need to rollback this install 13941 String pkgName = pkg.packageName; 13942 13943 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13944 13945 synchronized(mPackages) { 13946 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13947 // A package with the same name is already installed, though 13948 // it has been renamed to an older name. The package we 13949 // are trying to install should be installed as an update to 13950 // the existing one, but that has not been requested, so bail. 13951 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13952 + " without first uninstalling package running as " 13953 + mSettings.mRenamedPackages.get(pkgName)); 13954 return; 13955 } 13956 if (mPackages.containsKey(pkgName)) { 13957 // Don't allow installation over an existing package with the same name. 13958 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13959 + " without first uninstalling."); 13960 return; 13961 } 13962 } 13963 13964 try { 13965 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13966 System.currentTimeMillis(), user); 13967 13968 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13969 13970 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13971 prepareAppDataAfterInstallLIF(newPackage); 13972 13973 } else { 13974 // Remove package from internal structures, but keep around any 13975 // data that might have already existed 13976 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13977 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13978 } 13979 } catch (PackageManagerException e) { 13980 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13981 } 13982 13983 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13984 } 13985 13986 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13987 // Can't rotate keys during boot or if sharedUser. 13988 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13989 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13990 return false; 13991 } 13992 // app is using upgradeKeySets; make sure all are valid 13993 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13994 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13995 for (int i = 0; i < upgradeKeySets.length; i++) { 13996 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13997 Slog.wtf(TAG, "Package " 13998 + (oldPs.name != null ? oldPs.name : "<null>") 13999 + " contains upgrade-key-set reference to unknown key-set: " 14000 + upgradeKeySets[i] 14001 + " reverting to signatures check."); 14002 return false; 14003 } 14004 } 14005 return true; 14006 } 14007 14008 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14009 // Upgrade keysets are being used. Determine if new package has a superset of the 14010 // required keys. 14011 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14012 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14013 for (int i = 0; i < upgradeKeySets.length; i++) { 14014 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14015 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14016 return true; 14017 } 14018 } 14019 return false; 14020 } 14021 14022 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14023 try (DigestInputStream digestStream = 14024 new DigestInputStream(new FileInputStream(file), digest)) { 14025 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14026 } 14027 } 14028 14029 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14030 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14031 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14032 14033 final PackageParser.Package oldPackage; 14034 final String pkgName = pkg.packageName; 14035 final int[] allUsers; 14036 final int[] installedUsers; 14037 14038 synchronized(mPackages) { 14039 oldPackage = mPackages.get(pkgName); 14040 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14041 14042 // don't allow upgrade to target a release SDK from a pre-release SDK 14043 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14044 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14045 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14046 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14047 if (oldTargetsPreRelease 14048 && !newTargetsPreRelease 14049 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14050 Slog.w(TAG, "Can't install package targeting released sdk"); 14051 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14052 return; 14053 } 14054 14055 // don't allow an upgrade from full to ephemeral 14056 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14057 if (isEphemeral && !oldIsEphemeral) { 14058 // can't downgrade from full to ephemeral 14059 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14060 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14061 return; 14062 } 14063 14064 // verify signatures are valid 14065 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14066 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14067 if (!checkUpgradeKeySetLP(ps, pkg)) { 14068 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14069 "New package not signed by keys specified by upgrade-keysets: " 14070 + pkgName); 14071 return; 14072 } 14073 } else { 14074 // default to original signature matching 14075 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14076 != PackageManager.SIGNATURE_MATCH) { 14077 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14078 "New package has a different signature: " + pkgName); 14079 return; 14080 } 14081 } 14082 14083 // don't allow a system upgrade unless the upgrade hash matches 14084 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14085 byte[] digestBytes = null; 14086 try { 14087 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14088 updateDigest(digest, new File(pkg.baseCodePath)); 14089 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14090 for (String path : pkg.splitCodePaths) { 14091 updateDigest(digest, new File(path)); 14092 } 14093 } 14094 digestBytes = digest.digest(); 14095 } catch (NoSuchAlgorithmException | IOException e) { 14096 res.setError(INSTALL_FAILED_INVALID_APK, 14097 "Could not compute hash: " + pkgName); 14098 return; 14099 } 14100 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14101 res.setError(INSTALL_FAILED_INVALID_APK, 14102 "New package fails restrict-update check: " + pkgName); 14103 return; 14104 } 14105 // retain upgrade restriction 14106 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14107 } 14108 14109 // Check for shared user id changes 14110 String invalidPackageName = 14111 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14112 if (invalidPackageName != null) { 14113 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14114 "Package " + invalidPackageName + " tried to change user " 14115 + oldPackage.mSharedUserId); 14116 return; 14117 } 14118 14119 // In case of rollback, remember per-user/profile install state 14120 allUsers = sUserManager.getUserIds(); 14121 installedUsers = ps.queryInstalledUsers(allUsers, true); 14122 } 14123 14124 // Update what is removed 14125 res.removedInfo = new PackageRemovedInfo(); 14126 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14127 res.removedInfo.removedPackage = oldPackage.packageName; 14128 res.removedInfo.isUpdate = true; 14129 res.removedInfo.origUsers = installedUsers; 14130 final int childCount = (oldPackage.childPackages != null) 14131 ? oldPackage.childPackages.size() : 0; 14132 for (int i = 0; i < childCount; i++) { 14133 boolean childPackageUpdated = false; 14134 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14135 if (res.addedChildPackages != null) { 14136 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14137 if (childRes != null) { 14138 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14139 childRes.removedInfo.removedPackage = childPkg.packageName; 14140 childRes.removedInfo.isUpdate = true; 14141 childPackageUpdated = true; 14142 } 14143 } 14144 if (!childPackageUpdated) { 14145 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14146 childRemovedRes.removedPackage = childPkg.packageName; 14147 childRemovedRes.isUpdate = false; 14148 childRemovedRes.dataRemoved = true; 14149 synchronized (mPackages) { 14150 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14151 if (childPs != null) { 14152 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14153 } 14154 } 14155 if (res.removedInfo.removedChildPackages == null) { 14156 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14157 } 14158 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14159 } 14160 } 14161 14162 boolean sysPkg = (isSystemApp(oldPackage)); 14163 if (sysPkg) { 14164 // Set the system/privileged flags as needed 14165 final boolean privileged = 14166 (oldPackage.applicationInfo.privateFlags 14167 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14168 final int systemPolicyFlags = policyFlags 14169 | PackageParser.PARSE_IS_SYSTEM 14170 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14171 14172 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14173 user, allUsers, installerPackageName, res); 14174 } else { 14175 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14176 user, allUsers, installerPackageName, res); 14177 } 14178 } 14179 14180 public List<String> getPreviousCodePaths(String packageName) { 14181 final PackageSetting ps = mSettings.mPackages.get(packageName); 14182 final List<String> result = new ArrayList<String>(); 14183 if (ps != null && ps.oldCodePaths != null) { 14184 result.addAll(ps.oldCodePaths); 14185 } 14186 return result; 14187 } 14188 14189 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14190 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14191 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14192 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14193 + deletedPackage); 14194 14195 String pkgName = deletedPackage.packageName; 14196 boolean deletedPkg = true; 14197 boolean addedPkg = false; 14198 boolean updatedSettings = false; 14199 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14200 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14201 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14202 14203 final long origUpdateTime = (pkg.mExtras != null) 14204 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14205 14206 // First delete the existing package while retaining the data directory 14207 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14208 res.removedInfo, true, pkg)) { 14209 // If the existing package wasn't successfully deleted 14210 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14211 deletedPkg = false; 14212 } else { 14213 // Successfully deleted the old package; proceed with replace. 14214 14215 // If deleted package lived in a container, give users a chance to 14216 // relinquish resources before killing. 14217 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14218 if (DEBUG_INSTALL) { 14219 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14220 } 14221 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14222 final ArrayList<String> pkgList = new ArrayList<String>(1); 14223 pkgList.add(deletedPackage.applicationInfo.packageName); 14224 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14225 } 14226 14227 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14228 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14229 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14230 14231 try { 14232 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14233 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14234 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14235 14236 // Update the in-memory copy of the previous code paths. 14237 PackageSetting ps = mSettings.mPackages.get(pkgName); 14238 if (!killApp) { 14239 if (ps.oldCodePaths == null) { 14240 ps.oldCodePaths = new ArraySet<>(); 14241 } 14242 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14243 if (deletedPackage.splitCodePaths != null) { 14244 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14245 } 14246 } else { 14247 ps.oldCodePaths = null; 14248 } 14249 if (ps.childPackageNames != null) { 14250 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14251 final String childPkgName = ps.childPackageNames.get(i); 14252 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14253 childPs.oldCodePaths = ps.oldCodePaths; 14254 } 14255 } 14256 prepareAppDataAfterInstallLIF(newPackage); 14257 addedPkg = true; 14258 } catch (PackageManagerException e) { 14259 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14260 } 14261 } 14262 14263 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14264 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14265 14266 // Revert all internal state mutations and added folders for the failed install 14267 if (addedPkg) { 14268 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14269 res.removedInfo, true, null); 14270 } 14271 14272 // Restore the old package 14273 if (deletedPkg) { 14274 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14275 File restoreFile = new File(deletedPackage.codePath); 14276 // Parse old package 14277 boolean oldExternal = isExternal(deletedPackage); 14278 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14279 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14280 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14281 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14282 try { 14283 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14284 null); 14285 } catch (PackageManagerException e) { 14286 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14287 + e.getMessage()); 14288 return; 14289 } 14290 14291 synchronized (mPackages) { 14292 // Ensure the installer package name up to date 14293 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14294 14295 // Update permissions for restored package 14296 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14297 14298 mSettings.writeLPr(); 14299 } 14300 14301 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14302 } 14303 } else { 14304 synchronized (mPackages) { 14305 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14306 if (ps != null) { 14307 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14308 if (res.removedInfo.removedChildPackages != null) { 14309 final int childCount = res.removedInfo.removedChildPackages.size(); 14310 // Iterate in reverse as we may modify the collection 14311 for (int i = childCount - 1; i >= 0; i--) { 14312 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14313 if (res.addedChildPackages.containsKey(childPackageName)) { 14314 res.removedInfo.removedChildPackages.removeAt(i); 14315 } else { 14316 PackageRemovedInfo childInfo = res.removedInfo 14317 .removedChildPackages.valueAt(i); 14318 childInfo.removedForAllUsers = mPackages.get( 14319 childInfo.removedPackage) == null; 14320 } 14321 } 14322 } 14323 } 14324 } 14325 } 14326 } 14327 14328 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14329 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14330 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14331 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14332 + ", old=" + deletedPackage); 14333 14334 final boolean disabledSystem; 14335 14336 // Remove existing system package 14337 removePackageLI(deletedPackage, true); 14338 14339 synchronized (mPackages) { 14340 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14341 } 14342 if (!disabledSystem) { 14343 // We didn't need to disable the .apk as a current system package, 14344 // which means we are replacing another update that is already 14345 // installed. We need to make sure to delete the older one's .apk. 14346 res.removedInfo.args = createInstallArgsForExisting(0, 14347 deletedPackage.applicationInfo.getCodePath(), 14348 deletedPackage.applicationInfo.getResourcePath(), 14349 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14350 } else { 14351 res.removedInfo.args = null; 14352 } 14353 14354 // Successfully disabled the old package. Now proceed with re-installation 14355 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14356 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14357 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14358 14359 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14360 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14361 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14362 14363 PackageParser.Package newPackage = null; 14364 try { 14365 // Add the package to the internal data structures 14366 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14367 14368 // Set the update and install times 14369 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14370 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14371 System.currentTimeMillis()); 14372 14373 // Update the package dynamic state if succeeded 14374 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14375 // Now that the install succeeded make sure we remove data 14376 // directories for any child package the update removed. 14377 final int deletedChildCount = (deletedPackage.childPackages != null) 14378 ? deletedPackage.childPackages.size() : 0; 14379 final int newChildCount = (newPackage.childPackages != null) 14380 ? newPackage.childPackages.size() : 0; 14381 for (int i = 0; i < deletedChildCount; i++) { 14382 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14383 boolean childPackageDeleted = true; 14384 for (int j = 0; j < newChildCount; j++) { 14385 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14386 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14387 childPackageDeleted = false; 14388 break; 14389 } 14390 } 14391 if (childPackageDeleted) { 14392 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14393 deletedChildPkg.packageName); 14394 if (ps != null && res.removedInfo.removedChildPackages != null) { 14395 PackageRemovedInfo removedChildRes = res.removedInfo 14396 .removedChildPackages.get(deletedChildPkg.packageName); 14397 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14398 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14399 } 14400 } 14401 } 14402 14403 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14404 prepareAppDataAfterInstallLIF(newPackage); 14405 } 14406 } catch (PackageManagerException e) { 14407 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14408 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14409 } 14410 14411 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14412 // Re installation failed. Restore old information 14413 // Remove new pkg information 14414 if (newPackage != null) { 14415 removeInstalledPackageLI(newPackage, true); 14416 } 14417 // Add back the old system package 14418 try { 14419 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14420 } catch (PackageManagerException e) { 14421 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14422 } 14423 14424 synchronized (mPackages) { 14425 if (disabledSystem) { 14426 enableSystemPackageLPw(deletedPackage); 14427 } 14428 14429 // Ensure the installer package name up to date 14430 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14431 14432 // Update permissions for restored package 14433 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14434 14435 mSettings.writeLPr(); 14436 } 14437 14438 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14439 + " after failed upgrade"); 14440 } 14441 } 14442 14443 /** 14444 * Checks whether the parent or any of the child packages have a change shared 14445 * user. For a package to be a valid update the shred users of the parent and 14446 * the children should match. We may later support changing child shared users. 14447 * @param oldPkg The updated package. 14448 * @param newPkg The update package. 14449 * @return The shared user that change between the versions. 14450 */ 14451 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14452 PackageParser.Package newPkg) { 14453 // Check parent shared user 14454 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14455 return newPkg.packageName; 14456 } 14457 // Check child shared users 14458 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14459 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14460 for (int i = 0; i < newChildCount; i++) { 14461 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14462 // If this child was present, did it have the same shared user? 14463 for (int j = 0; j < oldChildCount; j++) { 14464 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14465 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14466 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14467 return newChildPkg.packageName; 14468 } 14469 } 14470 } 14471 return null; 14472 } 14473 14474 private void removeNativeBinariesLI(PackageSetting ps) { 14475 // Remove the lib path for the parent package 14476 if (ps != null) { 14477 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14478 // Remove the lib path for the child packages 14479 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14480 for (int i = 0; i < childCount; i++) { 14481 PackageSetting childPs = null; 14482 synchronized (mPackages) { 14483 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14484 } 14485 if (childPs != null) { 14486 NativeLibraryHelper.removeNativeBinariesLI(childPs 14487 .legacyNativeLibraryPathString); 14488 } 14489 } 14490 } 14491 } 14492 14493 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14494 // Enable the parent package 14495 mSettings.enableSystemPackageLPw(pkg.packageName); 14496 // Enable the child packages 14497 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14498 for (int i = 0; i < childCount; i++) { 14499 PackageParser.Package childPkg = pkg.childPackages.get(i); 14500 mSettings.enableSystemPackageLPw(childPkg.packageName); 14501 } 14502 } 14503 14504 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14505 PackageParser.Package newPkg) { 14506 // Disable the parent package (parent always replaced) 14507 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14508 // Disable the child packages 14509 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14510 for (int i = 0; i < childCount; i++) { 14511 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14512 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14513 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14514 } 14515 return disabled; 14516 } 14517 14518 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14519 String installerPackageName) { 14520 // Enable the parent package 14521 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14522 // Enable the child packages 14523 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14524 for (int i = 0; i < childCount; i++) { 14525 PackageParser.Package childPkg = pkg.childPackages.get(i); 14526 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14527 } 14528 } 14529 14530 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14531 // Collect all used permissions in the UID 14532 ArraySet<String> usedPermissions = new ArraySet<>(); 14533 final int packageCount = su.packages.size(); 14534 for (int i = 0; i < packageCount; i++) { 14535 PackageSetting ps = su.packages.valueAt(i); 14536 if (ps.pkg == null) { 14537 continue; 14538 } 14539 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14540 for (int j = 0; j < requestedPermCount; j++) { 14541 String permission = ps.pkg.requestedPermissions.get(j); 14542 BasePermission bp = mSettings.mPermissions.get(permission); 14543 if (bp != null) { 14544 usedPermissions.add(permission); 14545 } 14546 } 14547 } 14548 14549 PermissionsState permissionsState = su.getPermissionsState(); 14550 // Prune install permissions 14551 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14552 final int installPermCount = installPermStates.size(); 14553 for (int i = installPermCount - 1; i >= 0; i--) { 14554 PermissionState permissionState = installPermStates.get(i); 14555 if (!usedPermissions.contains(permissionState.getName())) { 14556 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14557 if (bp != null) { 14558 permissionsState.revokeInstallPermission(bp); 14559 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14560 PackageManager.MASK_PERMISSION_FLAGS, 0); 14561 } 14562 } 14563 } 14564 14565 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14566 14567 // Prune runtime permissions 14568 for (int userId : allUserIds) { 14569 List<PermissionState> runtimePermStates = permissionsState 14570 .getRuntimePermissionStates(userId); 14571 final int runtimePermCount = runtimePermStates.size(); 14572 for (int i = runtimePermCount - 1; i >= 0; i--) { 14573 PermissionState permissionState = runtimePermStates.get(i); 14574 if (!usedPermissions.contains(permissionState.getName())) { 14575 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14576 if (bp != null) { 14577 permissionsState.revokeRuntimePermission(bp, userId); 14578 permissionsState.updatePermissionFlags(bp, userId, 14579 PackageManager.MASK_PERMISSION_FLAGS, 0); 14580 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14581 runtimePermissionChangedUserIds, userId); 14582 } 14583 } 14584 } 14585 } 14586 14587 return runtimePermissionChangedUserIds; 14588 } 14589 14590 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14591 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14592 // Update the parent package setting 14593 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14594 res, user); 14595 // Update the child packages setting 14596 final int childCount = (newPackage.childPackages != null) 14597 ? newPackage.childPackages.size() : 0; 14598 for (int i = 0; i < childCount; i++) { 14599 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14600 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14601 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14602 childRes.origUsers, childRes, user); 14603 } 14604 } 14605 14606 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14607 String installerPackageName, int[] allUsers, int[] installedForUsers, 14608 PackageInstalledInfo res, UserHandle user) { 14609 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14610 14611 String pkgName = newPackage.packageName; 14612 synchronized (mPackages) { 14613 //write settings. the installStatus will be incomplete at this stage. 14614 //note that the new package setting would have already been 14615 //added to mPackages. It hasn't been persisted yet. 14616 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14617 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14618 mSettings.writeLPr(); 14619 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14620 } 14621 14622 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14623 synchronized (mPackages) { 14624 updatePermissionsLPw(newPackage.packageName, newPackage, 14625 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14626 ? UPDATE_PERMISSIONS_ALL : 0)); 14627 // For system-bundled packages, we assume that installing an upgraded version 14628 // of the package implies that the user actually wants to run that new code, 14629 // so we enable the package. 14630 PackageSetting ps = mSettings.mPackages.get(pkgName); 14631 final int userId = user.getIdentifier(); 14632 if (ps != null) { 14633 if (isSystemApp(newPackage)) { 14634 if (DEBUG_INSTALL) { 14635 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14636 } 14637 // Enable system package for requested users 14638 if (res.origUsers != null) { 14639 for (int origUserId : res.origUsers) { 14640 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14641 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14642 origUserId, installerPackageName); 14643 } 14644 } 14645 } 14646 // Also convey the prior install/uninstall state 14647 if (allUsers != null && installedForUsers != null) { 14648 for (int currentUserId : allUsers) { 14649 final boolean installed = ArrayUtils.contains( 14650 installedForUsers, currentUserId); 14651 if (DEBUG_INSTALL) { 14652 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14653 } 14654 ps.setInstalled(installed, currentUserId); 14655 } 14656 // these install state changes will be persisted in the 14657 // upcoming call to mSettings.writeLPr(). 14658 } 14659 } 14660 // It's implied that when a user requests installation, they want the app to be 14661 // installed and enabled. 14662 if (userId != UserHandle.USER_ALL) { 14663 ps.setInstalled(true, userId); 14664 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14665 } 14666 } 14667 res.name = pkgName; 14668 res.uid = newPackage.applicationInfo.uid; 14669 res.pkg = newPackage; 14670 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14671 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14672 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14673 //to update install status 14674 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14675 mSettings.writeLPr(); 14676 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14677 } 14678 14679 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14680 } 14681 14682 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14683 try { 14684 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14685 installPackageLI(args, res); 14686 } finally { 14687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14688 } 14689 } 14690 14691 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14692 final int installFlags = args.installFlags; 14693 final String installerPackageName = args.installerPackageName; 14694 final String volumeUuid = args.volumeUuid; 14695 final File tmpPackageFile = new File(args.getCodePath()); 14696 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14697 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14698 || (args.volumeUuid != null)); 14699 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14700 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14701 boolean replace = false; 14702 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14703 if (args.move != null) { 14704 // moving a complete application; perform an initial scan on the new install location 14705 scanFlags |= SCAN_INITIAL; 14706 } 14707 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14708 scanFlags |= SCAN_DONT_KILL_APP; 14709 } 14710 14711 // Result object to be returned 14712 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14713 14714 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14715 14716 // Sanity check 14717 if (ephemeral && (forwardLocked || onExternal)) { 14718 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14719 + " external=" + onExternal); 14720 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14721 return; 14722 } 14723 14724 // Retrieve PackageSettings and parse package 14725 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14726 | PackageParser.PARSE_ENFORCE_CODE 14727 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14728 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14729 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14730 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14731 PackageParser pp = new PackageParser(); 14732 pp.setSeparateProcesses(mSeparateProcesses); 14733 pp.setDisplayMetrics(mMetrics); 14734 14735 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14736 final PackageParser.Package pkg; 14737 try { 14738 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14739 } catch (PackageParserException e) { 14740 res.setError("Failed parse during installPackageLI", e); 14741 return; 14742 } finally { 14743 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14744 } 14745 14746 // If we are installing a clustered package add results for the children 14747 if (pkg.childPackages != null) { 14748 synchronized (mPackages) { 14749 final int childCount = pkg.childPackages.size(); 14750 for (int i = 0; i < childCount; i++) { 14751 PackageParser.Package childPkg = pkg.childPackages.get(i); 14752 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14753 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14754 childRes.pkg = childPkg; 14755 childRes.name = childPkg.packageName; 14756 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14757 if (childPs != null) { 14758 childRes.origUsers = childPs.queryInstalledUsers( 14759 sUserManager.getUserIds(), true); 14760 } 14761 if ((mPackages.containsKey(childPkg.packageName))) { 14762 childRes.removedInfo = new PackageRemovedInfo(); 14763 childRes.removedInfo.removedPackage = childPkg.packageName; 14764 } 14765 if (res.addedChildPackages == null) { 14766 res.addedChildPackages = new ArrayMap<>(); 14767 } 14768 res.addedChildPackages.put(childPkg.packageName, childRes); 14769 } 14770 } 14771 } 14772 14773 // If package doesn't declare API override, mark that we have an install 14774 // time CPU ABI override. 14775 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14776 pkg.cpuAbiOverride = args.abiOverride; 14777 } 14778 14779 String pkgName = res.name = pkg.packageName; 14780 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14781 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14782 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14783 return; 14784 } 14785 } 14786 14787 try { 14788 // either use what we've been given or parse directly from the APK 14789 if (args.certificates != null) { 14790 try { 14791 PackageParser.populateCertificates(pkg, args.certificates); 14792 } catch (PackageParserException e) { 14793 // there was something wrong with the certificates we were given; 14794 // try to pull them from the APK 14795 PackageParser.collectCertificates(pkg, parseFlags); 14796 } 14797 } else { 14798 PackageParser.collectCertificates(pkg, parseFlags); 14799 } 14800 } catch (PackageParserException e) { 14801 res.setError("Failed collect during installPackageLI", e); 14802 return; 14803 } 14804 14805 // Get rid of all references to package scan path via parser. 14806 pp = null; 14807 String oldCodePath = null; 14808 boolean systemApp = false; 14809 synchronized (mPackages) { 14810 // Check if installing already existing package 14811 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14812 String oldName = mSettings.mRenamedPackages.get(pkgName); 14813 if (pkg.mOriginalPackages != null 14814 && pkg.mOriginalPackages.contains(oldName) 14815 && mPackages.containsKey(oldName)) { 14816 // This package is derived from an original package, 14817 // and this device has been updating from that original 14818 // name. We must continue using the original name, so 14819 // rename the new package here. 14820 pkg.setPackageName(oldName); 14821 pkgName = pkg.packageName; 14822 replace = true; 14823 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14824 + oldName + " pkgName=" + pkgName); 14825 } else if (mPackages.containsKey(pkgName)) { 14826 // This package, under its official name, already exists 14827 // on the device; we should replace it. 14828 replace = true; 14829 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14830 } 14831 14832 // Child packages are installed through the parent package 14833 if (pkg.parentPackage != null) { 14834 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14835 "Package " + pkg.packageName + " is child of package " 14836 + pkg.parentPackage.parentPackage + ". Child packages " 14837 + "can be updated only through the parent package."); 14838 return; 14839 } 14840 14841 if (replace) { 14842 // Prevent apps opting out from runtime permissions 14843 PackageParser.Package oldPackage = mPackages.get(pkgName); 14844 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14845 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14846 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14847 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14848 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14849 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14850 + " doesn't support runtime permissions but the old" 14851 + " target SDK " + oldTargetSdk + " does."); 14852 return; 14853 } 14854 14855 // Prevent installing of child packages 14856 if (oldPackage.parentPackage != null) { 14857 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14858 "Package " + pkg.packageName + " is child of package " 14859 + oldPackage.parentPackage + ". Child packages " 14860 + "can be updated only through the parent package."); 14861 return; 14862 } 14863 } 14864 } 14865 14866 PackageSetting ps = mSettings.mPackages.get(pkgName); 14867 if (ps != null) { 14868 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14869 14870 // Quick sanity check that we're signed correctly if updating; 14871 // we'll check this again later when scanning, but we want to 14872 // bail early here before tripping over redefined permissions. 14873 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14874 if (!checkUpgradeKeySetLP(ps, pkg)) { 14875 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14876 + pkg.packageName + " upgrade keys do not match the " 14877 + "previously installed version"); 14878 return; 14879 } 14880 } else { 14881 try { 14882 verifySignaturesLP(ps, pkg); 14883 } catch (PackageManagerException e) { 14884 res.setError(e.error, e.getMessage()); 14885 return; 14886 } 14887 } 14888 14889 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14890 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14891 systemApp = (ps.pkg.applicationInfo.flags & 14892 ApplicationInfo.FLAG_SYSTEM) != 0; 14893 } 14894 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14895 } 14896 14897 // Check whether the newly-scanned package wants to define an already-defined perm 14898 int N = pkg.permissions.size(); 14899 for (int i = N-1; i >= 0; i--) { 14900 PackageParser.Permission perm = pkg.permissions.get(i); 14901 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14902 if (bp != null) { 14903 // If the defining package is signed with our cert, it's okay. This 14904 // also includes the "updating the same package" case, of course. 14905 // "updating same package" could also involve key-rotation. 14906 final boolean sigsOk; 14907 if (bp.sourcePackage.equals(pkg.packageName) 14908 && (bp.packageSetting instanceof PackageSetting) 14909 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14910 scanFlags))) { 14911 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14912 } else { 14913 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14914 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14915 } 14916 if (!sigsOk) { 14917 // If the owning package is the system itself, we log but allow 14918 // install to proceed; we fail the install on all other permission 14919 // redefinitions. 14920 if (!bp.sourcePackage.equals("android")) { 14921 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14922 + pkg.packageName + " attempting to redeclare permission " 14923 + perm.info.name + " already owned by " + bp.sourcePackage); 14924 res.origPermission = perm.info.name; 14925 res.origPackage = bp.sourcePackage; 14926 return; 14927 } else { 14928 Slog.w(TAG, "Package " + pkg.packageName 14929 + " attempting to redeclare system permission " 14930 + perm.info.name + "; ignoring new declaration"); 14931 pkg.permissions.remove(i); 14932 } 14933 } 14934 } 14935 } 14936 } 14937 14938 if (systemApp) { 14939 if (onExternal) { 14940 // Abort update; system app can't be replaced with app on sdcard 14941 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14942 "Cannot install updates to system apps on sdcard"); 14943 return; 14944 } else if (ephemeral) { 14945 // Abort update; system app can't be replaced with an ephemeral app 14946 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14947 "Cannot update a system app with an ephemeral app"); 14948 return; 14949 } 14950 } 14951 14952 if (args.move != null) { 14953 // We did an in-place move, so dex is ready to roll 14954 scanFlags |= SCAN_NO_DEX; 14955 scanFlags |= SCAN_MOVE; 14956 14957 synchronized (mPackages) { 14958 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14959 if (ps == null) { 14960 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14961 "Missing settings for moved package " + pkgName); 14962 } 14963 14964 // We moved the entire application as-is, so bring over the 14965 // previously derived ABI information. 14966 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14967 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14968 } 14969 14970 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14971 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14972 scanFlags |= SCAN_NO_DEX; 14973 14974 try { 14975 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14976 args.abiOverride : pkg.cpuAbiOverride); 14977 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14978 true /* extract libs */); 14979 } catch (PackageManagerException pme) { 14980 Slog.e(TAG, "Error deriving application ABI", pme); 14981 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14982 return; 14983 } 14984 14985 // Shared libraries for the package need to be updated. 14986 synchronized (mPackages) { 14987 try { 14988 updateSharedLibrariesLPw(pkg, null); 14989 } catch (PackageManagerException e) { 14990 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14991 } 14992 } 14993 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14994 // Do not run PackageDexOptimizer through the local performDexOpt 14995 // method because `pkg` may not be in `mPackages` yet. 14996 // 14997 // Also, don't fail application installs if the dexopt step fails. 14998 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14999 null /* instructionSets */, false /* checkProfiles */, 15000 getCompilerFilterForReason(REASON_INSTALL), 15001 getOrCreateCompilerPackageStats(pkg)); 15002 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15003 15004 // Notify BackgroundDexOptService that the package has been changed. 15005 // If this is an update of a package which used to fail to compile, 15006 // BDOS will remove it from its blacklist. 15007 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15008 } 15009 15010 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15011 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15012 return; 15013 } 15014 15015 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15016 15017 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15018 "installPackageLI")) { 15019 if (replace) { 15020 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15021 installerPackageName, res); 15022 } else { 15023 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15024 args.user, installerPackageName, volumeUuid, res); 15025 } 15026 } 15027 synchronized (mPackages) { 15028 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15029 if (ps != null) { 15030 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15031 } 15032 15033 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15034 for (int i = 0; i < childCount; i++) { 15035 PackageParser.Package childPkg = pkg.childPackages.get(i); 15036 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15037 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15038 if (childPs != null) { 15039 childRes.newUsers = childPs.queryInstalledUsers( 15040 sUserManager.getUserIds(), true); 15041 } 15042 } 15043 } 15044 } 15045 15046 private void startIntentFilterVerifications(int userId, boolean replacing, 15047 PackageParser.Package pkg) { 15048 if (mIntentFilterVerifierComponent == null) { 15049 Slog.w(TAG, "No IntentFilter verification will not be done as " 15050 + "there is no IntentFilterVerifier available!"); 15051 return; 15052 } 15053 15054 final int verifierUid = getPackageUid( 15055 mIntentFilterVerifierComponent.getPackageName(), 15056 MATCH_DEBUG_TRIAGED_MISSING, 15057 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15058 15059 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15060 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15061 mHandler.sendMessage(msg); 15062 15063 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15064 for (int i = 0; i < childCount; i++) { 15065 PackageParser.Package childPkg = pkg.childPackages.get(i); 15066 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15067 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15068 mHandler.sendMessage(msg); 15069 } 15070 } 15071 15072 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15073 PackageParser.Package pkg) { 15074 int size = pkg.activities.size(); 15075 if (size == 0) { 15076 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15077 "No activity, so no need to verify any IntentFilter!"); 15078 return; 15079 } 15080 15081 final boolean hasDomainURLs = hasDomainURLs(pkg); 15082 if (!hasDomainURLs) { 15083 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15084 "No domain URLs, so no need to verify any IntentFilter!"); 15085 return; 15086 } 15087 15088 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15089 + " if any IntentFilter from the " + size 15090 + " Activities needs verification ..."); 15091 15092 int count = 0; 15093 final String packageName = pkg.packageName; 15094 15095 synchronized (mPackages) { 15096 // If this is a new install and we see that we've already run verification for this 15097 // package, we have nothing to do: it means the state was restored from backup. 15098 if (!replacing) { 15099 IntentFilterVerificationInfo ivi = 15100 mSettings.getIntentFilterVerificationLPr(packageName); 15101 if (ivi != null) { 15102 if (DEBUG_DOMAIN_VERIFICATION) { 15103 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15104 + ivi.getStatusString()); 15105 } 15106 return; 15107 } 15108 } 15109 15110 // If any filters need to be verified, then all need to be. 15111 boolean needToVerify = false; 15112 for (PackageParser.Activity a : pkg.activities) { 15113 for (ActivityIntentInfo filter : a.intents) { 15114 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15115 if (DEBUG_DOMAIN_VERIFICATION) { 15116 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15117 } 15118 needToVerify = true; 15119 break; 15120 } 15121 } 15122 } 15123 15124 if (needToVerify) { 15125 final int verificationId = mIntentFilterVerificationToken++; 15126 for (PackageParser.Activity a : pkg.activities) { 15127 for (ActivityIntentInfo filter : a.intents) { 15128 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15129 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15130 "Verification needed for IntentFilter:" + filter.toString()); 15131 mIntentFilterVerifier.addOneIntentFilterVerification( 15132 verifierUid, userId, verificationId, filter, packageName); 15133 count++; 15134 } 15135 } 15136 } 15137 } 15138 } 15139 15140 if (count > 0) { 15141 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15142 + " IntentFilter verification" + (count > 1 ? "s" : "") 15143 + " for userId:" + userId); 15144 mIntentFilterVerifier.startVerifications(userId); 15145 } else { 15146 if (DEBUG_DOMAIN_VERIFICATION) { 15147 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15148 } 15149 } 15150 } 15151 15152 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15153 final ComponentName cn = filter.activity.getComponentName(); 15154 final String packageName = cn.getPackageName(); 15155 15156 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15157 packageName); 15158 if (ivi == null) { 15159 return true; 15160 } 15161 int status = ivi.getStatus(); 15162 switch (status) { 15163 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15164 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15165 return true; 15166 15167 default: 15168 // Nothing to do 15169 return false; 15170 } 15171 } 15172 15173 private static boolean isMultiArch(ApplicationInfo info) { 15174 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15175 } 15176 15177 private static boolean isExternal(PackageParser.Package pkg) { 15178 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15179 } 15180 15181 private static boolean isExternal(PackageSetting ps) { 15182 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15183 } 15184 15185 private static boolean isEphemeral(PackageParser.Package pkg) { 15186 return pkg.applicationInfo.isEphemeralApp(); 15187 } 15188 15189 private static boolean isEphemeral(PackageSetting ps) { 15190 return ps.pkg != null && isEphemeral(ps.pkg); 15191 } 15192 15193 private static boolean isSystemApp(PackageParser.Package pkg) { 15194 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15195 } 15196 15197 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15198 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15199 } 15200 15201 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15202 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15203 } 15204 15205 private static boolean isSystemApp(PackageSetting ps) { 15206 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15207 } 15208 15209 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15210 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15211 } 15212 15213 private int packageFlagsToInstallFlags(PackageSetting ps) { 15214 int installFlags = 0; 15215 if (isEphemeral(ps)) { 15216 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15217 } 15218 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15219 // This existing package was an external ASEC install when we have 15220 // the external flag without a UUID 15221 installFlags |= PackageManager.INSTALL_EXTERNAL; 15222 } 15223 if (ps.isForwardLocked()) { 15224 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15225 } 15226 return installFlags; 15227 } 15228 15229 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15230 if (isExternal(pkg)) { 15231 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15232 return StorageManager.UUID_PRIMARY_PHYSICAL; 15233 } else { 15234 return pkg.volumeUuid; 15235 } 15236 } else { 15237 return StorageManager.UUID_PRIVATE_INTERNAL; 15238 } 15239 } 15240 15241 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15242 if (isExternal(pkg)) { 15243 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15244 return mSettings.getExternalVersion(); 15245 } else { 15246 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15247 } 15248 } else { 15249 return mSettings.getInternalVersion(); 15250 } 15251 } 15252 15253 private void deleteTempPackageFiles() { 15254 final FilenameFilter filter = new FilenameFilter() { 15255 public boolean accept(File dir, String name) { 15256 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15257 } 15258 }; 15259 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15260 file.delete(); 15261 } 15262 } 15263 15264 @Override 15265 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15266 int flags) { 15267 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15268 flags); 15269 } 15270 15271 @Override 15272 public void deletePackage(final String packageName, 15273 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15274 mContext.enforceCallingOrSelfPermission( 15275 android.Manifest.permission.DELETE_PACKAGES, null); 15276 Preconditions.checkNotNull(packageName); 15277 Preconditions.checkNotNull(observer); 15278 final int uid = Binder.getCallingUid(); 15279 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15280 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15281 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15282 mContext.enforceCallingOrSelfPermission( 15283 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15284 "deletePackage for user " + userId); 15285 } 15286 15287 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15288 try { 15289 observer.onPackageDeleted(packageName, 15290 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15291 } catch (RemoteException re) { 15292 } 15293 return; 15294 } 15295 15296 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15297 try { 15298 observer.onPackageDeleted(packageName, 15299 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15300 } catch (RemoteException re) { 15301 } 15302 return; 15303 } 15304 15305 if (DEBUG_REMOVE) { 15306 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15307 + " deleteAllUsers: " + deleteAllUsers ); 15308 } 15309 // Queue up an async operation since the package deletion may take a little while. 15310 mHandler.post(new Runnable() { 15311 public void run() { 15312 mHandler.removeCallbacks(this); 15313 int returnCode; 15314 if (!deleteAllUsers) { 15315 returnCode = deletePackageX(packageName, userId, deleteFlags); 15316 } else { 15317 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15318 // If nobody is blocking uninstall, proceed with delete for all users 15319 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15320 returnCode = deletePackageX(packageName, userId, deleteFlags); 15321 } else { 15322 // Otherwise uninstall individually for users with blockUninstalls=false 15323 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15324 for (int userId : users) { 15325 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15326 returnCode = deletePackageX(packageName, userId, userFlags); 15327 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15328 Slog.w(TAG, "Package delete failed for user " + userId 15329 + ", returnCode " + returnCode); 15330 } 15331 } 15332 } 15333 // The app has only been marked uninstalled for certain users. 15334 // We still need to report that delete was blocked 15335 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15336 } 15337 } 15338 try { 15339 observer.onPackageDeleted(packageName, returnCode, null); 15340 } catch (RemoteException e) { 15341 Log.i(TAG, "Observer no longer exists."); 15342 } //end catch 15343 } //end run 15344 }); 15345 } 15346 15347 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15348 int[] result = EMPTY_INT_ARRAY; 15349 for (int userId : userIds) { 15350 if (getBlockUninstallForUser(packageName, userId)) { 15351 result = ArrayUtils.appendInt(result, userId); 15352 } 15353 } 15354 return result; 15355 } 15356 15357 @Override 15358 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15359 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15360 } 15361 15362 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15363 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15364 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15365 try { 15366 if (dpm != null) { 15367 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15368 /* callingUserOnly =*/ false); 15369 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15370 : deviceOwnerComponentName.getPackageName(); 15371 // Does the package contains the device owner? 15372 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15373 // this check is probably not needed, since DO should be registered as a device 15374 // admin on some user too. (Original bug for this: b/17657954) 15375 if (packageName.equals(deviceOwnerPackageName)) { 15376 return true; 15377 } 15378 // Does it contain a device admin for any user? 15379 int[] users; 15380 if (userId == UserHandle.USER_ALL) { 15381 users = sUserManager.getUserIds(); 15382 } else { 15383 users = new int[]{userId}; 15384 } 15385 for (int i = 0; i < users.length; ++i) { 15386 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15387 return true; 15388 } 15389 } 15390 } 15391 } catch (RemoteException e) { 15392 } 15393 return false; 15394 } 15395 15396 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15397 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15398 } 15399 15400 /** 15401 * This method is an internal method that could be get invoked either 15402 * to delete an installed package or to clean up a failed installation. 15403 * After deleting an installed package, a broadcast is sent to notify any 15404 * listeners that the package has been removed. For cleaning up a failed 15405 * installation, the broadcast is not necessary since the package's 15406 * installation wouldn't have sent the initial broadcast either 15407 * The key steps in deleting a package are 15408 * deleting the package information in internal structures like mPackages, 15409 * deleting the packages base directories through installd 15410 * updating mSettings to reflect current status 15411 * persisting settings for later use 15412 * sending a broadcast if necessary 15413 */ 15414 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15415 final PackageRemovedInfo info = new PackageRemovedInfo(); 15416 final boolean res; 15417 15418 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15419 ? UserHandle.USER_ALL : userId; 15420 15421 if (isPackageDeviceAdmin(packageName, removeUser)) { 15422 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15423 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15424 } 15425 15426 PackageSetting uninstalledPs = null; 15427 15428 // for the uninstall-updates case and restricted profiles, remember the per- 15429 // user handle installed state 15430 int[] allUsers; 15431 synchronized (mPackages) { 15432 uninstalledPs = mSettings.mPackages.get(packageName); 15433 if (uninstalledPs == null) { 15434 Slog.w(TAG, "Not removing non-existent package " + packageName); 15435 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15436 } 15437 allUsers = sUserManager.getUserIds(); 15438 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15439 } 15440 15441 final int freezeUser; 15442 if (isUpdatedSystemApp(uninstalledPs) 15443 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15444 // We're downgrading a system app, which will apply to all users, so 15445 // freeze them all during the downgrade 15446 freezeUser = UserHandle.USER_ALL; 15447 } else { 15448 freezeUser = removeUser; 15449 } 15450 15451 synchronized (mInstallLock) { 15452 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15453 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15454 deleteFlags, "deletePackageX")) { 15455 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15456 deleteFlags | REMOVE_CHATTY, info, true, null); 15457 } 15458 synchronized (mPackages) { 15459 if (res) { 15460 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15461 } 15462 } 15463 } 15464 15465 if (res) { 15466 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15467 info.sendPackageRemovedBroadcasts(killApp); 15468 info.sendSystemPackageUpdatedBroadcasts(); 15469 info.sendSystemPackageAppearedBroadcasts(); 15470 } 15471 // Force a gc here. 15472 Runtime.getRuntime().gc(); 15473 // Delete the resources here after sending the broadcast to let 15474 // other processes clean up before deleting resources. 15475 if (info.args != null) { 15476 synchronized (mInstallLock) { 15477 info.args.doPostDeleteLI(true); 15478 } 15479 } 15480 15481 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15482 } 15483 15484 class PackageRemovedInfo { 15485 String removedPackage; 15486 int uid = -1; 15487 int removedAppId = -1; 15488 int[] origUsers; 15489 int[] removedUsers = null; 15490 boolean isRemovedPackageSystemUpdate = false; 15491 boolean isUpdate; 15492 boolean dataRemoved; 15493 boolean removedForAllUsers; 15494 // Clean up resources deleted packages. 15495 InstallArgs args = null; 15496 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15497 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15498 15499 void sendPackageRemovedBroadcasts(boolean killApp) { 15500 sendPackageRemovedBroadcastInternal(killApp); 15501 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15502 for (int i = 0; i < childCount; i++) { 15503 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15504 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15505 } 15506 } 15507 15508 void sendSystemPackageUpdatedBroadcasts() { 15509 if (isRemovedPackageSystemUpdate) { 15510 sendSystemPackageUpdatedBroadcastsInternal(); 15511 final int childCount = (removedChildPackages != null) 15512 ? removedChildPackages.size() : 0; 15513 for (int i = 0; i < childCount; i++) { 15514 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15515 if (childInfo.isRemovedPackageSystemUpdate) { 15516 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15517 } 15518 } 15519 } 15520 } 15521 15522 void sendSystemPackageAppearedBroadcasts() { 15523 final int packageCount = (appearedChildPackages != null) 15524 ? appearedChildPackages.size() : 0; 15525 for (int i = 0; i < packageCount; i++) { 15526 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15527 for (int userId : installedInfo.newUsers) { 15528 sendPackageAddedForUser(installedInfo.name, true, 15529 UserHandle.getAppId(installedInfo.uid), userId); 15530 } 15531 } 15532 } 15533 15534 private void sendSystemPackageUpdatedBroadcastsInternal() { 15535 Bundle extras = new Bundle(2); 15536 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15537 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15538 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15539 extras, 0, null, null, null); 15540 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15541 extras, 0, null, null, null); 15542 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15543 null, 0, removedPackage, null, null); 15544 } 15545 15546 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15547 Bundle extras = new Bundle(2); 15548 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15549 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15550 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15551 if (isUpdate || isRemovedPackageSystemUpdate) { 15552 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15553 } 15554 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15555 if (removedPackage != null) { 15556 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15557 extras, 0, null, null, removedUsers); 15558 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15559 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15560 removedPackage, extras, 0, null, null, removedUsers); 15561 } 15562 } 15563 if (removedAppId >= 0) { 15564 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15565 removedUsers); 15566 } 15567 } 15568 } 15569 15570 /* 15571 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15572 * flag is not set, the data directory is removed as well. 15573 * make sure this flag is set for partially installed apps. If not its meaningless to 15574 * delete a partially installed application. 15575 */ 15576 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15577 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15578 String packageName = ps.name; 15579 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15580 // Retrieve object to delete permissions for shared user later on 15581 final PackageParser.Package deletedPkg; 15582 final PackageSetting deletedPs; 15583 // reader 15584 synchronized (mPackages) { 15585 deletedPkg = mPackages.get(packageName); 15586 deletedPs = mSettings.mPackages.get(packageName); 15587 if (outInfo != null) { 15588 outInfo.removedPackage = packageName; 15589 outInfo.removedUsers = deletedPs != null 15590 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15591 : null; 15592 } 15593 } 15594 15595 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15596 15597 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15598 final PackageParser.Package resolvedPkg; 15599 if (deletedPkg != null) { 15600 resolvedPkg = deletedPkg; 15601 } else { 15602 // We don't have a parsed package when it lives on an ejected 15603 // adopted storage device, so fake something together 15604 resolvedPkg = new PackageParser.Package(ps.name); 15605 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15606 } 15607 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15608 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15609 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15610 if (outInfo != null) { 15611 outInfo.dataRemoved = true; 15612 } 15613 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15614 } 15615 15616 // writer 15617 synchronized (mPackages) { 15618 if (deletedPs != null) { 15619 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15620 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15621 clearDefaultBrowserIfNeeded(packageName); 15622 if (outInfo != null) { 15623 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15624 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15625 } 15626 updatePermissionsLPw(deletedPs.name, null, 0); 15627 if (deletedPs.sharedUser != null) { 15628 // Remove permissions associated with package. Since runtime 15629 // permissions are per user we have to kill the removed package 15630 // or packages running under the shared user of the removed 15631 // package if revoking the permissions requested only by the removed 15632 // package is successful and this causes a change in gids. 15633 for (int userId : UserManagerService.getInstance().getUserIds()) { 15634 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15635 userId); 15636 if (userIdToKill == UserHandle.USER_ALL 15637 || userIdToKill >= UserHandle.USER_SYSTEM) { 15638 // If gids changed for this user, kill all affected packages. 15639 mHandler.post(new Runnable() { 15640 @Override 15641 public void run() { 15642 // This has to happen with no lock held. 15643 killApplication(deletedPs.name, deletedPs.appId, 15644 KILL_APP_REASON_GIDS_CHANGED); 15645 } 15646 }); 15647 break; 15648 } 15649 } 15650 } 15651 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15652 } 15653 // make sure to preserve per-user disabled state if this removal was just 15654 // a downgrade of a system app to the factory package 15655 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15656 if (DEBUG_REMOVE) { 15657 Slog.d(TAG, "Propagating install state across downgrade"); 15658 } 15659 for (int userId : allUserHandles) { 15660 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15661 if (DEBUG_REMOVE) { 15662 Slog.d(TAG, " user " + userId + " => " + installed); 15663 } 15664 ps.setInstalled(installed, userId); 15665 } 15666 } 15667 } 15668 // can downgrade to reader 15669 if (writeSettings) { 15670 // Save settings now 15671 mSettings.writeLPr(); 15672 } 15673 } 15674 if (outInfo != null) { 15675 // A user ID was deleted here. Go through all users and remove it 15676 // from KeyStore. 15677 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15678 } 15679 } 15680 15681 static boolean locationIsPrivileged(File path) { 15682 try { 15683 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15684 .getCanonicalPath(); 15685 return path.getCanonicalPath().startsWith(privilegedAppDir); 15686 } catch (IOException e) { 15687 Slog.e(TAG, "Unable to access code path " + path); 15688 } 15689 return false; 15690 } 15691 15692 /* 15693 * Tries to delete system package. 15694 */ 15695 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15696 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15697 boolean writeSettings) { 15698 if (deletedPs.parentPackageName != null) { 15699 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15700 return false; 15701 } 15702 15703 final boolean applyUserRestrictions 15704 = (allUserHandles != null) && (outInfo.origUsers != null); 15705 final PackageSetting disabledPs; 15706 // Confirm if the system package has been updated 15707 // An updated system app can be deleted. This will also have to restore 15708 // the system pkg from system partition 15709 // reader 15710 synchronized (mPackages) { 15711 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15712 } 15713 15714 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15715 + " disabledPs=" + disabledPs); 15716 15717 if (disabledPs == null) { 15718 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15719 return false; 15720 } else if (DEBUG_REMOVE) { 15721 Slog.d(TAG, "Deleting system pkg from data partition"); 15722 } 15723 15724 if (DEBUG_REMOVE) { 15725 if (applyUserRestrictions) { 15726 Slog.d(TAG, "Remembering install states:"); 15727 for (int userId : allUserHandles) { 15728 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15729 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15730 } 15731 } 15732 } 15733 15734 // Delete the updated package 15735 outInfo.isRemovedPackageSystemUpdate = true; 15736 if (outInfo.removedChildPackages != null) { 15737 final int childCount = (deletedPs.childPackageNames != null) 15738 ? deletedPs.childPackageNames.size() : 0; 15739 for (int i = 0; i < childCount; i++) { 15740 String childPackageName = deletedPs.childPackageNames.get(i); 15741 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15742 .contains(childPackageName)) { 15743 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15744 childPackageName); 15745 if (childInfo != null) { 15746 childInfo.isRemovedPackageSystemUpdate = true; 15747 } 15748 } 15749 } 15750 } 15751 15752 if (disabledPs.versionCode < deletedPs.versionCode) { 15753 // Delete data for downgrades 15754 flags &= ~PackageManager.DELETE_KEEP_DATA; 15755 } else { 15756 // Preserve data by setting flag 15757 flags |= PackageManager.DELETE_KEEP_DATA; 15758 } 15759 15760 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15761 outInfo, writeSettings, disabledPs.pkg); 15762 if (!ret) { 15763 return false; 15764 } 15765 15766 // writer 15767 synchronized (mPackages) { 15768 // Reinstate the old system package 15769 enableSystemPackageLPw(disabledPs.pkg); 15770 // Remove any native libraries from the upgraded package. 15771 removeNativeBinariesLI(deletedPs); 15772 } 15773 15774 // Install the system package 15775 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15776 int parseFlags = mDefParseFlags 15777 | PackageParser.PARSE_MUST_BE_APK 15778 | PackageParser.PARSE_IS_SYSTEM 15779 | PackageParser.PARSE_IS_SYSTEM_DIR; 15780 if (locationIsPrivileged(disabledPs.codePath)) { 15781 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15782 } 15783 15784 final PackageParser.Package newPkg; 15785 try { 15786 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15787 } catch (PackageManagerException e) { 15788 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15789 + e.getMessage()); 15790 return false; 15791 } 15792 15793 prepareAppDataAfterInstallLIF(newPkg); 15794 15795 // writer 15796 synchronized (mPackages) { 15797 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15798 15799 // Propagate the permissions state as we do not want to drop on the floor 15800 // runtime permissions. The update permissions method below will take 15801 // care of removing obsolete permissions and grant install permissions. 15802 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15803 updatePermissionsLPw(newPkg.packageName, newPkg, 15804 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15805 15806 if (applyUserRestrictions) { 15807 if (DEBUG_REMOVE) { 15808 Slog.d(TAG, "Propagating install state across reinstall"); 15809 } 15810 for (int userId : allUserHandles) { 15811 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15812 if (DEBUG_REMOVE) { 15813 Slog.d(TAG, " user " + userId + " => " + installed); 15814 } 15815 ps.setInstalled(installed, userId); 15816 15817 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15818 } 15819 // Regardless of writeSettings we need to ensure that this restriction 15820 // state propagation is persisted 15821 mSettings.writeAllUsersPackageRestrictionsLPr(); 15822 } 15823 // can downgrade to reader here 15824 if (writeSettings) { 15825 mSettings.writeLPr(); 15826 } 15827 } 15828 return true; 15829 } 15830 15831 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15832 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15833 PackageRemovedInfo outInfo, boolean writeSettings, 15834 PackageParser.Package replacingPackage) { 15835 synchronized (mPackages) { 15836 if (outInfo != null) { 15837 outInfo.uid = ps.appId; 15838 } 15839 15840 if (outInfo != null && outInfo.removedChildPackages != null) { 15841 final int childCount = (ps.childPackageNames != null) 15842 ? ps.childPackageNames.size() : 0; 15843 for (int i = 0; i < childCount; i++) { 15844 String childPackageName = ps.childPackageNames.get(i); 15845 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15846 if (childPs == null) { 15847 return false; 15848 } 15849 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15850 childPackageName); 15851 if (childInfo != null) { 15852 childInfo.uid = childPs.appId; 15853 } 15854 } 15855 } 15856 } 15857 15858 // Delete package data from internal structures and also remove data if flag is set 15859 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15860 15861 // Delete the child packages data 15862 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15863 for (int i = 0; i < childCount; i++) { 15864 PackageSetting childPs; 15865 synchronized (mPackages) { 15866 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15867 } 15868 if (childPs != null) { 15869 PackageRemovedInfo childOutInfo = (outInfo != null 15870 && outInfo.removedChildPackages != null) 15871 ? outInfo.removedChildPackages.get(childPs.name) : null; 15872 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15873 && (replacingPackage != null 15874 && !replacingPackage.hasChildPackage(childPs.name)) 15875 ? flags & ~DELETE_KEEP_DATA : flags; 15876 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15877 deleteFlags, writeSettings); 15878 } 15879 } 15880 15881 // Delete application code and resources only for parent packages 15882 if (ps.parentPackageName == null) { 15883 if (deleteCodeAndResources && (outInfo != null)) { 15884 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15885 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15886 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15887 } 15888 } 15889 15890 return true; 15891 } 15892 15893 @Override 15894 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15895 int userId) { 15896 mContext.enforceCallingOrSelfPermission( 15897 android.Manifest.permission.DELETE_PACKAGES, null); 15898 synchronized (mPackages) { 15899 PackageSetting ps = mSettings.mPackages.get(packageName); 15900 if (ps == null) { 15901 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15902 return false; 15903 } 15904 if (!ps.getInstalled(userId)) { 15905 // Can't block uninstall for an app that is not installed or enabled. 15906 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15907 return false; 15908 } 15909 ps.setBlockUninstall(blockUninstall, userId); 15910 mSettings.writePackageRestrictionsLPr(userId); 15911 } 15912 return true; 15913 } 15914 15915 @Override 15916 public boolean getBlockUninstallForUser(String packageName, int userId) { 15917 synchronized (mPackages) { 15918 PackageSetting ps = mSettings.mPackages.get(packageName); 15919 if (ps == null) { 15920 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15921 return false; 15922 } 15923 return ps.getBlockUninstall(userId); 15924 } 15925 } 15926 15927 @Override 15928 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15929 int callingUid = Binder.getCallingUid(); 15930 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15931 throw new SecurityException( 15932 "setRequiredForSystemUser can only be run by the system or root"); 15933 } 15934 synchronized (mPackages) { 15935 PackageSetting ps = mSettings.mPackages.get(packageName); 15936 if (ps == null) { 15937 Log.w(TAG, "Package doesn't exist: " + packageName); 15938 return false; 15939 } 15940 if (systemUserApp) { 15941 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15942 } else { 15943 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15944 } 15945 mSettings.writeLPr(); 15946 } 15947 return true; 15948 } 15949 15950 /* 15951 * This method handles package deletion in general 15952 */ 15953 private boolean deletePackageLIF(String packageName, UserHandle user, 15954 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15955 PackageRemovedInfo outInfo, boolean writeSettings, 15956 PackageParser.Package replacingPackage) { 15957 if (packageName == null) { 15958 Slog.w(TAG, "Attempt to delete null packageName."); 15959 return false; 15960 } 15961 15962 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15963 15964 PackageSetting ps; 15965 15966 synchronized (mPackages) { 15967 ps = mSettings.mPackages.get(packageName); 15968 if (ps == null) { 15969 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15970 return false; 15971 } 15972 15973 if (ps.parentPackageName != null && (!isSystemApp(ps) 15974 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15975 if (DEBUG_REMOVE) { 15976 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15977 + ((user == null) ? UserHandle.USER_ALL : user)); 15978 } 15979 final int removedUserId = (user != null) ? user.getIdentifier() 15980 : UserHandle.USER_ALL; 15981 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15982 return false; 15983 } 15984 markPackageUninstalledForUserLPw(ps, user); 15985 scheduleWritePackageRestrictionsLocked(user); 15986 return true; 15987 } 15988 } 15989 15990 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15991 && user.getIdentifier() != UserHandle.USER_ALL)) { 15992 // The caller is asking that the package only be deleted for a single 15993 // user. To do this, we just mark its uninstalled state and delete 15994 // its data. If this is a system app, we only allow this to happen if 15995 // they have set the special DELETE_SYSTEM_APP which requests different 15996 // semantics than normal for uninstalling system apps. 15997 markPackageUninstalledForUserLPw(ps, user); 15998 15999 if (!isSystemApp(ps)) { 16000 // Do not uninstall the APK if an app should be cached 16001 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16002 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16003 // Other user still have this package installed, so all 16004 // we need to do is clear this user's data and save that 16005 // it is uninstalled. 16006 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16007 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16008 return false; 16009 } 16010 scheduleWritePackageRestrictionsLocked(user); 16011 return true; 16012 } else { 16013 // We need to set it back to 'installed' so the uninstall 16014 // broadcasts will be sent correctly. 16015 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16016 ps.setInstalled(true, user.getIdentifier()); 16017 } 16018 } else { 16019 // This is a system app, so we assume that the 16020 // other users still have this package installed, so all 16021 // we need to do is clear this user's data and save that 16022 // it is uninstalled. 16023 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16024 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16025 return false; 16026 } 16027 scheduleWritePackageRestrictionsLocked(user); 16028 return true; 16029 } 16030 } 16031 16032 // If we are deleting a composite package for all users, keep track 16033 // of result for each child. 16034 if (ps.childPackageNames != null && outInfo != null) { 16035 synchronized (mPackages) { 16036 final int childCount = ps.childPackageNames.size(); 16037 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16038 for (int i = 0; i < childCount; i++) { 16039 String childPackageName = ps.childPackageNames.get(i); 16040 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16041 childInfo.removedPackage = childPackageName; 16042 outInfo.removedChildPackages.put(childPackageName, childInfo); 16043 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16044 if (childPs != null) { 16045 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16046 } 16047 } 16048 } 16049 } 16050 16051 boolean ret = false; 16052 if (isSystemApp(ps)) { 16053 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16054 // When an updated system application is deleted we delete the existing resources 16055 // as well and fall back to existing code in system partition 16056 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16057 } else { 16058 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16059 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16060 outInfo, writeSettings, replacingPackage); 16061 } 16062 16063 // Take a note whether we deleted the package for all users 16064 if (outInfo != null) { 16065 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16066 if (outInfo.removedChildPackages != null) { 16067 synchronized (mPackages) { 16068 final int childCount = outInfo.removedChildPackages.size(); 16069 for (int i = 0; i < childCount; i++) { 16070 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16071 if (childInfo != null) { 16072 childInfo.removedForAllUsers = mPackages.get( 16073 childInfo.removedPackage) == null; 16074 } 16075 } 16076 } 16077 } 16078 // If we uninstalled an update to a system app there may be some 16079 // child packages that appeared as they are declared in the system 16080 // app but were not declared in the update. 16081 if (isSystemApp(ps)) { 16082 synchronized (mPackages) { 16083 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16084 final int childCount = (updatedPs.childPackageNames != null) 16085 ? updatedPs.childPackageNames.size() : 0; 16086 for (int i = 0; i < childCount; i++) { 16087 String childPackageName = updatedPs.childPackageNames.get(i); 16088 if (outInfo.removedChildPackages == null 16089 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16090 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16091 if (childPs == null) { 16092 continue; 16093 } 16094 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16095 installRes.name = childPackageName; 16096 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16097 installRes.pkg = mPackages.get(childPackageName); 16098 installRes.uid = childPs.pkg.applicationInfo.uid; 16099 if (outInfo.appearedChildPackages == null) { 16100 outInfo.appearedChildPackages = new ArrayMap<>(); 16101 } 16102 outInfo.appearedChildPackages.put(childPackageName, installRes); 16103 } 16104 } 16105 } 16106 } 16107 } 16108 16109 return ret; 16110 } 16111 16112 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16113 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16114 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16115 for (int nextUserId : userIds) { 16116 if (DEBUG_REMOVE) { 16117 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16118 } 16119 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16120 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16121 false /*hidden*/, false /*suspended*/, null, null, null, 16122 false /*blockUninstall*/, 16123 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16124 } 16125 } 16126 16127 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16128 PackageRemovedInfo outInfo) { 16129 final PackageParser.Package pkg; 16130 synchronized (mPackages) { 16131 pkg = mPackages.get(ps.name); 16132 } 16133 16134 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16135 : new int[] {userId}; 16136 for (int nextUserId : userIds) { 16137 if (DEBUG_REMOVE) { 16138 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16139 + nextUserId); 16140 } 16141 16142 destroyAppDataLIF(pkg, userId, 16143 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16144 destroyAppProfilesLIF(pkg, userId); 16145 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16146 schedulePackageCleaning(ps.name, nextUserId, false); 16147 synchronized (mPackages) { 16148 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16149 scheduleWritePackageRestrictionsLocked(nextUserId); 16150 } 16151 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16152 } 16153 } 16154 16155 if (outInfo != null) { 16156 outInfo.removedPackage = ps.name; 16157 outInfo.removedAppId = ps.appId; 16158 outInfo.removedUsers = userIds; 16159 } 16160 16161 return true; 16162 } 16163 16164 private final class ClearStorageConnection implements ServiceConnection { 16165 IMediaContainerService mContainerService; 16166 16167 @Override 16168 public void onServiceConnected(ComponentName name, IBinder service) { 16169 synchronized (this) { 16170 mContainerService = IMediaContainerService.Stub.asInterface(service); 16171 notifyAll(); 16172 } 16173 } 16174 16175 @Override 16176 public void onServiceDisconnected(ComponentName name) { 16177 } 16178 } 16179 16180 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16181 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16182 16183 final boolean mounted; 16184 if (Environment.isExternalStorageEmulated()) { 16185 mounted = true; 16186 } else { 16187 final String status = Environment.getExternalStorageState(); 16188 16189 mounted = status.equals(Environment.MEDIA_MOUNTED) 16190 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16191 } 16192 16193 if (!mounted) { 16194 return; 16195 } 16196 16197 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16198 int[] users; 16199 if (userId == UserHandle.USER_ALL) { 16200 users = sUserManager.getUserIds(); 16201 } else { 16202 users = new int[] { userId }; 16203 } 16204 final ClearStorageConnection conn = new ClearStorageConnection(); 16205 if (mContext.bindServiceAsUser( 16206 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16207 try { 16208 for (int curUser : users) { 16209 long timeout = SystemClock.uptimeMillis() + 5000; 16210 synchronized (conn) { 16211 long now; 16212 while (conn.mContainerService == null && 16213 (now = SystemClock.uptimeMillis()) < timeout) { 16214 try { 16215 conn.wait(timeout - now); 16216 } catch (InterruptedException e) { 16217 } 16218 } 16219 } 16220 if (conn.mContainerService == null) { 16221 return; 16222 } 16223 16224 final UserEnvironment userEnv = new UserEnvironment(curUser); 16225 clearDirectory(conn.mContainerService, 16226 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16227 if (allData) { 16228 clearDirectory(conn.mContainerService, 16229 userEnv.buildExternalStorageAppDataDirs(packageName)); 16230 clearDirectory(conn.mContainerService, 16231 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16232 } 16233 } 16234 } finally { 16235 mContext.unbindService(conn); 16236 } 16237 } 16238 } 16239 16240 @Override 16241 public void clearApplicationProfileData(String packageName) { 16242 enforceSystemOrRoot("Only the system can clear all profile data"); 16243 16244 final PackageParser.Package pkg; 16245 synchronized (mPackages) { 16246 pkg = mPackages.get(packageName); 16247 } 16248 16249 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16250 synchronized (mInstallLock) { 16251 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16252 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16253 true /* removeBaseMarker */); 16254 } 16255 } 16256 } 16257 16258 @Override 16259 public void clearApplicationUserData(final String packageName, 16260 final IPackageDataObserver observer, final int userId) { 16261 mContext.enforceCallingOrSelfPermission( 16262 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16263 16264 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16265 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16266 16267 if (mProtectedPackages.canPackageBeWiped(userId, packageName)) { 16268 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16269 } 16270 // Queue up an async operation since the package deletion may take a little while. 16271 mHandler.post(new Runnable() { 16272 public void run() { 16273 mHandler.removeCallbacks(this); 16274 final boolean succeeded; 16275 try (PackageFreezer freezer = freezePackage(packageName, 16276 "clearApplicationUserData")) { 16277 synchronized (mInstallLock) { 16278 succeeded = clearApplicationUserDataLIF(packageName, userId); 16279 } 16280 clearExternalStorageDataSync(packageName, userId, true); 16281 } 16282 if (succeeded) { 16283 // invoke DeviceStorageMonitor's update method to clear any notifications 16284 DeviceStorageMonitorInternal dsm = LocalServices 16285 .getService(DeviceStorageMonitorInternal.class); 16286 if (dsm != null) { 16287 dsm.checkMemory(); 16288 } 16289 } 16290 if(observer != null) { 16291 try { 16292 observer.onRemoveCompleted(packageName, succeeded); 16293 } catch (RemoteException e) { 16294 Log.i(TAG, "Observer no longer exists."); 16295 } 16296 } //end if observer 16297 } //end run 16298 }); 16299 } 16300 16301 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16302 if (packageName == null) { 16303 Slog.w(TAG, "Attempt to delete null packageName."); 16304 return false; 16305 } 16306 16307 // Try finding details about the requested package 16308 PackageParser.Package pkg; 16309 synchronized (mPackages) { 16310 pkg = mPackages.get(packageName); 16311 if (pkg == null) { 16312 final PackageSetting ps = mSettings.mPackages.get(packageName); 16313 if (ps != null) { 16314 pkg = ps.pkg; 16315 } 16316 } 16317 16318 if (pkg == null) { 16319 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16320 return false; 16321 } 16322 16323 PackageSetting ps = (PackageSetting) pkg.mExtras; 16324 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16325 } 16326 16327 clearAppDataLIF(pkg, userId, 16328 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16329 16330 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16331 removeKeystoreDataIfNeeded(userId, appId); 16332 16333 UserManagerInternal umInternal = getUserManagerInternal(); 16334 final int flags; 16335 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16336 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16337 } else if (umInternal.isUserRunning(userId)) { 16338 flags = StorageManager.FLAG_STORAGE_DE; 16339 } else { 16340 flags = 0; 16341 } 16342 prepareAppDataContentsLIF(pkg, userId, flags); 16343 16344 return true; 16345 } 16346 16347 /** 16348 * Reverts user permission state changes (permissions and flags) in 16349 * all packages for a given user. 16350 * 16351 * @param userId The device user for which to do a reset. 16352 */ 16353 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16354 final int packageCount = mPackages.size(); 16355 for (int i = 0; i < packageCount; i++) { 16356 PackageParser.Package pkg = mPackages.valueAt(i); 16357 PackageSetting ps = (PackageSetting) pkg.mExtras; 16358 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16359 } 16360 } 16361 16362 private void resetNetworkPolicies(int userId) { 16363 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16364 } 16365 16366 /** 16367 * Reverts user permission state changes (permissions and flags). 16368 * 16369 * @param ps The package for which to reset. 16370 * @param userId The device user for which to do a reset. 16371 */ 16372 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16373 final PackageSetting ps, final int userId) { 16374 if (ps.pkg == null) { 16375 return; 16376 } 16377 16378 // These are flags that can change base on user actions. 16379 final int userSettableMask = FLAG_PERMISSION_USER_SET 16380 | FLAG_PERMISSION_USER_FIXED 16381 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16382 | FLAG_PERMISSION_REVIEW_REQUIRED; 16383 16384 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16385 | FLAG_PERMISSION_POLICY_FIXED; 16386 16387 boolean writeInstallPermissions = false; 16388 boolean writeRuntimePermissions = false; 16389 16390 final int permissionCount = ps.pkg.requestedPermissions.size(); 16391 for (int i = 0; i < permissionCount; i++) { 16392 String permission = ps.pkg.requestedPermissions.get(i); 16393 16394 BasePermission bp = mSettings.mPermissions.get(permission); 16395 if (bp == null) { 16396 continue; 16397 } 16398 16399 // If shared user we just reset the state to which only this app contributed. 16400 if (ps.sharedUser != null) { 16401 boolean used = false; 16402 final int packageCount = ps.sharedUser.packages.size(); 16403 for (int j = 0; j < packageCount; j++) { 16404 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16405 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16406 && pkg.pkg.requestedPermissions.contains(permission)) { 16407 used = true; 16408 break; 16409 } 16410 } 16411 if (used) { 16412 continue; 16413 } 16414 } 16415 16416 PermissionsState permissionsState = ps.getPermissionsState(); 16417 16418 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16419 16420 // Always clear the user settable flags. 16421 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16422 bp.name) != null; 16423 // If permission review is enabled and this is a legacy app, mark the 16424 // permission as requiring a review as this is the initial state. 16425 int flags = 0; 16426 if (Build.PERMISSIONS_REVIEW_REQUIRED 16427 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16428 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16429 } 16430 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16431 if (hasInstallState) { 16432 writeInstallPermissions = true; 16433 } else { 16434 writeRuntimePermissions = true; 16435 } 16436 } 16437 16438 // Below is only runtime permission handling. 16439 if (!bp.isRuntime()) { 16440 continue; 16441 } 16442 16443 // Never clobber system or policy. 16444 if ((oldFlags & policyOrSystemFlags) != 0) { 16445 continue; 16446 } 16447 16448 // If this permission was granted by default, make sure it is. 16449 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16450 if (permissionsState.grantRuntimePermission(bp, userId) 16451 != PERMISSION_OPERATION_FAILURE) { 16452 writeRuntimePermissions = true; 16453 } 16454 // If permission review is enabled the permissions for a legacy apps 16455 // are represented as constantly granted runtime ones, so don't revoke. 16456 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16457 // Otherwise, reset the permission. 16458 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16459 switch (revokeResult) { 16460 case PERMISSION_OPERATION_SUCCESS: 16461 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16462 writeRuntimePermissions = true; 16463 final int appId = ps.appId; 16464 mHandler.post(new Runnable() { 16465 @Override 16466 public void run() { 16467 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16468 } 16469 }); 16470 } break; 16471 } 16472 } 16473 } 16474 16475 // Synchronously write as we are taking permissions away. 16476 if (writeRuntimePermissions) { 16477 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16478 } 16479 16480 // Synchronously write as we are taking permissions away. 16481 if (writeInstallPermissions) { 16482 mSettings.writeLPr(); 16483 } 16484 } 16485 16486 /** 16487 * Remove entries from the keystore daemon. Will only remove it if the 16488 * {@code appId} is valid. 16489 */ 16490 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16491 if (appId < 0) { 16492 return; 16493 } 16494 16495 final KeyStore keyStore = KeyStore.getInstance(); 16496 if (keyStore != null) { 16497 if (userId == UserHandle.USER_ALL) { 16498 for (final int individual : sUserManager.getUserIds()) { 16499 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16500 } 16501 } else { 16502 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16503 } 16504 } else { 16505 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16506 } 16507 } 16508 16509 @Override 16510 public void deleteApplicationCacheFiles(final String packageName, 16511 final IPackageDataObserver observer) { 16512 final int userId = UserHandle.getCallingUserId(); 16513 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16514 } 16515 16516 @Override 16517 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16518 final IPackageDataObserver observer) { 16519 mContext.enforceCallingOrSelfPermission( 16520 android.Manifest.permission.DELETE_CACHE_FILES, null); 16521 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16522 /* requireFullPermission= */ true, /* checkShell= */ false, 16523 "delete application cache files"); 16524 16525 final PackageParser.Package pkg; 16526 synchronized (mPackages) { 16527 pkg = mPackages.get(packageName); 16528 } 16529 16530 // Queue up an async operation since the package deletion may take a little while. 16531 mHandler.post(new Runnable() { 16532 public void run() { 16533 synchronized (mInstallLock) { 16534 final int flags = StorageManager.FLAG_STORAGE_DE 16535 | StorageManager.FLAG_STORAGE_CE; 16536 // We're only clearing cache files, so we don't care if the 16537 // app is unfrozen and still able to run 16538 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16539 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16540 } 16541 clearExternalStorageDataSync(packageName, userId, false); 16542 if (observer != null) { 16543 try { 16544 observer.onRemoveCompleted(packageName, true); 16545 } catch (RemoteException e) { 16546 Log.i(TAG, "Observer no longer exists."); 16547 } 16548 } 16549 } 16550 }); 16551 } 16552 16553 @Override 16554 public void getPackageSizeInfo(final String packageName, int userHandle, 16555 final IPackageStatsObserver observer) { 16556 mContext.enforceCallingOrSelfPermission( 16557 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16558 if (packageName == null) { 16559 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16560 } 16561 16562 PackageStats stats = new PackageStats(packageName, userHandle); 16563 16564 /* 16565 * Queue up an async operation since the package measurement may take a 16566 * little while. 16567 */ 16568 Message msg = mHandler.obtainMessage(INIT_COPY); 16569 msg.obj = new MeasureParams(stats, observer); 16570 mHandler.sendMessage(msg); 16571 } 16572 16573 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16574 final PackageSetting ps; 16575 synchronized (mPackages) { 16576 ps = mSettings.mPackages.get(packageName); 16577 if (ps == null) { 16578 Slog.w(TAG, "Failed to find settings for " + packageName); 16579 return false; 16580 } 16581 } 16582 try { 16583 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16584 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16585 ps.getCeDataInode(userId), ps.codePathString, stats); 16586 } catch (InstallerException e) { 16587 Slog.w(TAG, String.valueOf(e)); 16588 return false; 16589 } 16590 16591 // For now, ignore code size of packages on system partition 16592 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16593 stats.codeSize = 0; 16594 } 16595 16596 return true; 16597 } 16598 16599 private int getUidTargetSdkVersionLockedLPr(int uid) { 16600 Object obj = mSettings.getUserIdLPr(uid); 16601 if (obj instanceof SharedUserSetting) { 16602 final SharedUserSetting sus = (SharedUserSetting) obj; 16603 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16604 final Iterator<PackageSetting> it = sus.packages.iterator(); 16605 while (it.hasNext()) { 16606 final PackageSetting ps = it.next(); 16607 if (ps.pkg != null) { 16608 int v = ps.pkg.applicationInfo.targetSdkVersion; 16609 if (v < vers) vers = v; 16610 } 16611 } 16612 return vers; 16613 } else if (obj instanceof PackageSetting) { 16614 final PackageSetting ps = (PackageSetting) obj; 16615 if (ps.pkg != null) { 16616 return ps.pkg.applicationInfo.targetSdkVersion; 16617 } 16618 } 16619 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16620 } 16621 16622 @Override 16623 public void addPreferredActivity(IntentFilter filter, int match, 16624 ComponentName[] set, ComponentName activity, int userId) { 16625 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16626 "Adding preferred"); 16627 } 16628 16629 private void addPreferredActivityInternal(IntentFilter filter, int match, 16630 ComponentName[] set, ComponentName activity, boolean always, int userId, 16631 String opname) { 16632 // writer 16633 int callingUid = Binder.getCallingUid(); 16634 enforceCrossUserPermission(callingUid, userId, 16635 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16636 if (filter.countActions() == 0) { 16637 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16638 return; 16639 } 16640 synchronized (mPackages) { 16641 if (mContext.checkCallingOrSelfPermission( 16642 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16643 != PackageManager.PERMISSION_GRANTED) { 16644 if (getUidTargetSdkVersionLockedLPr(callingUid) 16645 < Build.VERSION_CODES.FROYO) { 16646 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16647 + callingUid); 16648 return; 16649 } 16650 mContext.enforceCallingOrSelfPermission( 16651 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16652 } 16653 16654 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16655 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16656 + userId + ":"); 16657 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16658 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16659 scheduleWritePackageRestrictionsLocked(userId); 16660 } 16661 } 16662 16663 @Override 16664 public void replacePreferredActivity(IntentFilter filter, int match, 16665 ComponentName[] set, ComponentName activity, int userId) { 16666 if (filter.countActions() != 1) { 16667 throw new IllegalArgumentException( 16668 "replacePreferredActivity expects filter to have only 1 action."); 16669 } 16670 if (filter.countDataAuthorities() != 0 16671 || filter.countDataPaths() != 0 16672 || filter.countDataSchemes() > 1 16673 || filter.countDataTypes() != 0) { 16674 throw new IllegalArgumentException( 16675 "replacePreferredActivity expects filter to have no data authorities, " + 16676 "paths, or types; and at most one scheme."); 16677 } 16678 16679 final int callingUid = Binder.getCallingUid(); 16680 enforceCrossUserPermission(callingUid, userId, 16681 true /* requireFullPermission */, false /* checkShell */, 16682 "replace preferred activity"); 16683 synchronized (mPackages) { 16684 if (mContext.checkCallingOrSelfPermission( 16685 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16686 != PackageManager.PERMISSION_GRANTED) { 16687 if (getUidTargetSdkVersionLockedLPr(callingUid) 16688 < Build.VERSION_CODES.FROYO) { 16689 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16690 + Binder.getCallingUid()); 16691 return; 16692 } 16693 mContext.enforceCallingOrSelfPermission( 16694 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16695 } 16696 16697 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16698 if (pir != null) { 16699 // Get all of the existing entries that exactly match this filter. 16700 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16701 if (existing != null && existing.size() == 1) { 16702 PreferredActivity cur = existing.get(0); 16703 if (DEBUG_PREFERRED) { 16704 Slog.i(TAG, "Checking replace of preferred:"); 16705 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16706 if (!cur.mPref.mAlways) { 16707 Slog.i(TAG, " -- CUR; not mAlways!"); 16708 } else { 16709 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16710 Slog.i(TAG, " -- CUR: mSet=" 16711 + Arrays.toString(cur.mPref.mSetComponents)); 16712 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16713 Slog.i(TAG, " -- NEW: mMatch=" 16714 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16715 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16716 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16717 } 16718 } 16719 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16720 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16721 && cur.mPref.sameSet(set)) { 16722 // Setting the preferred activity to what it happens to be already 16723 if (DEBUG_PREFERRED) { 16724 Slog.i(TAG, "Replacing with same preferred activity " 16725 + cur.mPref.mShortComponent + " for user " 16726 + userId + ":"); 16727 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16728 } 16729 return; 16730 } 16731 } 16732 16733 if (existing != null) { 16734 if (DEBUG_PREFERRED) { 16735 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16736 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16737 } 16738 for (int i = 0; i < existing.size(); i++) { 16739 PreferredActivity pa = existing.get(i); 16740 if (DEBUG_PREFERRED) { 16741 Slog.i(TAG, "Removing existing preferred activity " 16742 + pa.mPref.mComponent + ":"); 16743 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16744 } 16745 pir.removeFilter(pa); 16746 } 16747 } 16748 } 16749 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16750 "Replacing preferred"); 16751 } 16752 } 16753 16754 @Override 16755 public void clearPackagePreferredActivities(String packageName) { 16756 final int uid = Binder.getCallingUid(); 16757 // writer 16758 synchronized (mPackages) { 16759 PackageParser.Package pkg = mPackages.get(packageName); 16760 if (pkg == null || pkg.applicationInfo.uid != uid) { 16761 if (mContext.checkCallingOrSelfPermission( 16762 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16763 != PackageManager.PERMISSION_GRANTED) { 16764 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16765 < Build.VERSION_CODES.FROYO) { 16766 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16767 + Binder.getCallingUid()); 16768 return; 16769 } 16770 mContext.enforceCallingOrSelfPermission( 16771 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16772 } 16773 } 16774 16775 int user = UserHandle.getCallingUserId(); 16776 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16777 scheduleWritePackageRestrictionsLocked(user); 16778 } 16779 } 16780 } 16781 16782 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16783 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16784 ArrayList<PreferredActivity> removed = null; 16785 boolean changed = false; 16786 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16787 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16788 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16789 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16790 continue; 16791 } 16792 Iterator<PreferredActivity> it = pir.filterIterator(); 16793 while (it.hasNext()) { 16794 PreferredActivity pa = it.next(); 16795 // Mark entry for removal only if it matches the package name 16796 // and the entry is of type "always". 16797 if (packageName == null || 16798 (pa.mPref.mComponent.getPackageName().equals(packageName) 16799 && pa.mPref.mAlways)) { 16800 if (removed == null) { 16801 removed = new ArrayList<PreferredActivity>(); 16802 } 16803 removed.add(pa); 16804 } 16805 } 16806 if (removed != null) { 16807 for (int j=0; j<removed.size(); j++) { 16808 PreferredActivity pa = removed.get(j); 16809 pir.removeFilter(pa); 16810 } 16811 changed = true; 16812 } 16813 } 16814 return changed; 16815 } 16816 16817 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16818 private void clearIntentFilterVerificationsLPw(int userId) { 16819 final int packageCount = mPackages.size(); 16820 for (int i = 0; i < packageCount; i++) { 16821 PackageParser.Package pkg = mPackages.valueAt(i); 16822 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16823 } 16824 } 16825 16826 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16827 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16828 if (userId == UserHandle.USER_ALL) { 16829 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16830 sUserManager.getUserIds())) { 16831 for (int oneUserId : sUserManager.getUserIds()) { 16832 scheduleWritePackageRestrictionsLocked(oneUserId); 16833 } 16834 } 16835 } else { 16836 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16837 scheduleWritePackageRestrictionsLocked(userId); 16838 } 16839 } 16840 } 16841 16842 void clearDefaultBrowserIfNeeded(String packageName) { 16843 for (int oneUserId : sUserManager.getUserIds()) { 16844 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16845 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16846 if (packageName.equals(defaultBrowserPackageName)) { 16847 setDefaultBrowserPackageName(null, oneUserId); 16848 } 16849 } 16850 } 16851 16852 @Override 16853 public void resetApplicationPreferences(int userId) { 16854 mContext.enforceCallingOrSelfPermission( 16855 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16856 final long identity = Binder.clearCallingIdentity(); 16857 // writer 16858 try { 16859 synchronized (mPackages) { 16860 clearPackagePreferredActivitiesLPw(null, userId); 16861 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16862 // TODO: We have to reset the default SMS and Phone. This requires 16863 // significant refactoring to keep all default apps in the package 16864 // manager (cleaner but more work) or have the services provide 16865 // callbacks to the package manager to request a default app reset. 16866 applyFactoryDefaultBrowserLPw(userId); 16867 clearIntentFilterVerificationsLPw(userId); 16868 primeDomainVerificationsLPw(userId); 16869 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16870 scheduleWritePackageRestrictionsLocked(userId); 16871 } 16872 resetNetworkPolicies(userId); 16873 } finally { 16874 Binder.restoreCallingIdentity(identity); 16875 } 16876 } 16877 16878 @Override 16879 public int getPreferredActivities(List<IntentFilter> outFilters, 16880 List<ComponentName> outActivities, String packageName) { 16881 16882 int num = 0; 16883 final int userId = UserHandle.getCallingUserId(); 16884 // reader 16885 synchronized (mPackages) { 16886 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16887 if (pir != null) { 16888 final Iterator<PreferredActivity> it = pir.filterIterator(); 16889 while (it.hasNext()) { 16890 final PreferredActivity pa = it.next(); 16891 if (packageName == null 16892 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16893 && pa.mPref.mAlways)) { 16894 if (outFilters != null) { 16895 outFilters.add(new IntentFilter(pa)); 16896 } 16897 if (outActivities != null) { 16898 outActivities.add(pa.mPref.mComponent); 16899 } 16900 } 16901 } 16902 } 16903 } 16904 16905 return num; 16906 } 16907 16908 @Override 16909 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16910 int userId) { 16911 int callingUid = Binder.getCallingUid(); 16912 if (callingUid != Process.SYSTEM_UID) { 16913 throw new SecurityException( 16914 "addPersistentPreferredActivity can only be run by the system"); 16915 } 16916 if (filter.countActions() == 0) { 16917 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16918 return; 16919 } 16920 synchronized (mPackages) { 16921 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16922 ":"); 16923 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16924 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16925 new PersistentPreferredActivity(filter, activity)); 16926 scheduleWritePackageRestrictionsLocked(userId); 16927 } 16928 } 16929 16930 @Override 16931 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16932 int callingUid = Binder.getCallingUid(); 16933 if (callingUid != Process.SYSTEM_UID) { 16934 throw new SecurityException( 16935 "clearPackagePersistentPreferredActivities can only be run by the system"); 16936 } 16937 ArrayList<PersistentPreferredActivity> removed = null; 16938 boolean changed = false; 16939 synchronized (mPackages) { 16940 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16941 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16942 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16943 .valueAt(i); 16944 if (userId != thisUserId) { 16945 continue; 16946 } 16947 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16948 while (it.hasNext()) { 16949 PersistentPreferredActivity ppa = it.next(); 16950 // Mark entry for removal only if it matches the package name. 16951 if (ppa.mComponent.getPackageName().equals(packageName)) { 16952 if (removed == null) { 16953 removed = new ArrayList<PersistentPreferredActivity>(); 16954 } 16955 removed.add(ppa); 16956 } 16957 } 16958 if (removed != null) { 16959 for (int j=0; j<removed.size(); j++) { 16960 PersistentPreferredActivity ppa = removed.get(j); 16961 ppir.removeFilter(ppa); 16962 } 16963 changed = true; 16964 } 16965 } 16966 16967 if (changed) { 16968 scheduleWritePackageRestrictionsLocked(userId); 16969 } 16970 } 16971 } 16972 16973 /** 16974 * Common machinery for picking apart a restored XML blob and passing 16975 * it to a caller-supplied functor to be applied to the running system. 16976 */ 16977 private void restoreFromXml(XmlPullParser parser, int userId, 16978 String expectedStartTag, BlobXmlRestorer functor) 16979 throws IOException, XmlPullParserException { 16980 int type; 16981 while ((type = parser.next()) != XmlPullParser.START_TAG 16982 && type != XmlPullParser.END_DOCUMENT) { 16983 } 16984 if (type != XmlPullParser.START_TAG) { 16985 // oops didn't find a start tag?! 16986 if (DEBUG_BACKUP) { 16987 Slog.e(TAG, "Didn't find start tag during restore"); 16988 } 16989 return; 16990 } 16991Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16992 // this is supposed to be TAG_PREFERRED_BACKUP 16993 if (!expectedStartTag.equals(parser.getName())) { 16994 if (DEBUG_BACKUP) { 16995 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16996 } 16997 return; 16998 } 16999 17000 // skip interfering stuff, then we're aligned with the backing implementation 17001 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17002Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17003 functor.apply(parser, userId); 17004 } 17005 17006 private interface BlobXmlRestorer { 17007 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17008 } 17009 17010 /** 17011 * Non-Binder method, support for the backup/restore mechanism: write the 17012 * full set of preferred activities in its canonical XML format. Returns the 17013 * XML output as a byte array, or null if there is none. 17014 */ 17015 @Override 17016 public byte[] getPreferredActivityBackup(int userId) { 17017 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17018 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17019 } 17020 17021 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17022 try { 17023 final XmlSerializer serializer = new FastXmlSerializer(); 17024 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17025 serializer.startDocument(null, true); 17026 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17027 17028 synchronized (mPackages) { 17029 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17030 } 17031 17032 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17033 serializer.endDocument(); 17034 serializer.flush(); 17035 } catch (Exception e) { 17036 if (DEBUG_BACKUP) { 17037 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17038 } 17039 return null; 17040 } 17041 17042 return dataStream.toByteArray(); 17043 } 17044 17045 @Override 17046 public void restorePreferredActivities(byte[] backup, int userId) { 17047 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17048 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17049 } 17050 17051 try { 17052 final XmlPullParser parser = Xml.newPullParser(); 17053 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17054 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17055 new BlobXmlRestorer() { 17056 @Override 17057 public void apply(XmlPullParser parser, int userId) 17058 throws XmlPullParserException, IOException { 17059 synchronized (mPackages) { 17060 mSettings.readPreferredActivitiesLPw(parser, userId); 17061 } 17062 } 17063 } ); 17064 } catch (Exception e) { 17065 if (DEBUG_BACKUP) { 17066 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17067 } 17068 } 17069 } 17070 17071 /** 17072 * Non-Binder method, support for the backup/restore mechanism: write the 17073 * default browser (etc) settings in its canonical XML format. Returns the default 17074 * browser XML representation as a byte array, or null if there is none. 17075 */ 17076 @Override 17077 public byte[] getDefaultAppsBackup(int userId) { 17078 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17079 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17080 } 17081 17082 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17083 try { 17084 final XmlSerializer serializer = new FastXmlSerializer(); 17085 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17086 serializer.startDocument(null, true); 17087 serializer.startTag(null, TAG_DEFAULT_APPS); 17088 17089 synchronized (mPackages) { 17090 mSettings.writeDefaultAppsLPr(serializer, userId); 17091 } 17092 17093 serializer.endTag(null, TAG_DEFAULT_APPS); 17094 serializer.endDocument(); 17095 serializer.flush(); 17096 } catch (Exception e) { 17097 if (DEBUG_BACKUP) { 17098 Slog.e(TAG, "Unable to write default apps for backup", e); 17099 } 17100 return null; 17101 } 17102 17103 return dataStream.toByteArray(); 17104 } 17105 17106 @Override 17107 public void restoreDefaultApps(byte[] backup, int userId) { 17108 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17109 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17110 } 17111 17112 try { 17113 final XmlPullParser parser = Xml.newPullParser(); 17114 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17115 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17116 new BlobXmlRestorer() { 17117 @Override 17118 public void apply(XmlPullParser parser, int userId) 17119 throws XmlPullParserException, IOException { 17120 synchronized (mPackages) { 17121 mSettings.readDefaultAppsLPw(parser, userId); 17122 } 17123 } 17124 } ); 17125 } catch (Exception e) { 17126 if (DEBUG_BACKUP) { 17127 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17128 } 17129 } 17130 } 17131 17132 @Override 17133 public byte[] getIntentFilterVerificationBackup(int userId) { 17134 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17135 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17136 } 17137 17138 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17139 try { 17140 final XmlSerializer serializer = new FastXmlSerializer(); 17141 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17142 serializer.startDocument(null, true); 17143 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17144 17145 synchronized (mPackages) { 17146 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17147 } 17148 17149 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17150 serializer.endDocument(); 17151 serializer.flush(); 17152 } catch (Exception e) { 17153 if (DEBUG_BACKUP) { 17154 Slog.e(TAG, "Unable to write default apps for backup", e); 17155 } 17156 return null; 17157 } 17158 17159 return dataStream.toByteArray(); 17160 } 17161 17162 @Override 17163 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17164 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17165 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17166 } 17167 17168 try { 17169 final XmlPullParser parser = Xml.newPullParser(); 17170 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17171 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17172 new BlobXmlRestorer() { 17173 @Override 17174 public void apply(XmlPullParser parser, int userId) 17175 throws XmlPullParserException, IOException { 17176 synchronized (mPackages) { 17177 mSettings.readAllDomainVerificationsLPr(parser, userId); 17178 mSettings.writeLPr(); 17179 } 17180 } 17181 } ); 17182 } catch (Exception e) { 17183 if (DEBUG_BACKUP) { 17184 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17185 } 17186 } 17187 } 17188 17189 @Override 17190 public byte[] getPermissionGrantBackup(int userId) { 17191 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17192 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17193 } 17194 17195 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17196 try { 17197 final XmlSerializer serializer = new FastXmlSerializer(); 17198 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17199 serializer.startDocument(null, true); 17200 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17201 17202 synchronized (mPackages) { 17203 serializeRuntimePermissionGrantsLPr(serializer, userId); 17204 } 17205 17206 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17207 serializer.endDocument(); 17208 serializer.flush(); 17209 } catch (Exception e) { 17210 if (DEBUG_BACKUP) { 17211 Slog.e(TAG, "Unable to write default apps for backup", e); 17212 } 17213 return null; 17214 } 17215 17216 return dataStream.toByteArray(); 17217 } 17218 17219 @Override 17220 public void restorePermissionGrants(byte[] backup, int userId) { 17221 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17222 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17223 } 17224 17225 try { 17226 final XmlPullParser parser = Xml.newPullParser(); 17227 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17228 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17229 new BlobXmlRestorer() { 17230 @Override 17231 public void apply(XmlPullParser parser, int userId) 17232 throws XmlPullParserException, IOException { 17233 synchronized (mPackages) { 17234 processRestoredPermissionGrantsLPr(parser, userId); 17235 } 17236 } 17237 } ); 17238 } catch (Exception e) { 17239 if (DEBUG_BACKUP) { 17240 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17241 } 17242 } 17243 } 17244 17245 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17246 throws IOException { 17247 serializer.startTag(null, TAG_ALL_GRANTS); 17248 17249 final int N = mSettings.mPackages.size(); 17250 for (int i = 0; i < N; i++) { 17251 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17252 boolean pkgGrantsKnown = false; 17253 17254 PermissionsState packagePerms = ps.getPermissionsState(); 17255 17256 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17257 final int grantFlags = state.getFlags(); 17258 // only look at grants that are not system/policy fixed 17259 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17260 final boolean isGranted = state.isGranted(); 17261 // And only back up the user-twiddled state bits 17262 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17263 final String packageName = mSettings.mPackages.keyAt(i); 17264 if (!pkgGrantsKnown) { 17265 serializer.startTag(null, TAG_GRANT); 17266 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17267 pkgGrantsKnown = true; 17268 } 17269 17270 final boolean userSet = 17271 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17272 final boolean userFixed = 17273 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17274 final boolean revoke = 17275 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17276 17277 serializer.startTag(null, TAG_PERMISSION); 17278 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17279 if (isGranted) { 17280 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17281 } 17282 if (userSet) { 17283 serializer.attribute(null, ATTR_USER_SET, "true"); 17284 } 17285 if (userFixed) { 17286 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17287 } 17288 if (revoke) { 17289 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17290 } 17291 serializer.endTag(null, TAG_PERMISSION); 17292 } 17293 } 17294 } 17295 17296 if (pkgGrantsKnown) { 17297 serializer.endTag(null, TAG_GRANT); 17298 } 17299 } 17300 17301 serializer.endTag(null, TAG_ALL_GRANTS); 17302 } 17303 17304 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17305 throws XmlPullParserException, IOException { 17306 String pkgName = null; 17307 int outerDepth = parser.getDepth(); 17308 int type; 17309 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17310 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17311 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17312 continue; 17313 } 17314 17315 final String tagName = parser.getName(); 17316 if (tagName.equals(TAG_GRANT)) { 17317 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17318 if (DEBUG_BACKUP) { 17319 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17320 } 17321 } else if (tagName.equals(TAG_PERMISSION)) { 17322 17323 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17324 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17325 17326 int newFlagSet = 0; 17327 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17328 newFlagSet |= FLAG_PERMISSION_USER_SET; 17329 } 17330 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17331 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17332 } 17333 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17334 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17335 } 17336 if (DEBUG_BACKUP) { 17337 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17338 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17339 } 17340 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17341 if (ps != null) { 17342 // Already installed so we apply the grant immediately 17343 if (DEBUG_BACKUP) { 17344 Slog.v(TAG, " + already installed; applying"); 17345 } 17346 PermissionsState perms = ps.getPermissionsState(); 17347 BasePermission bp = mSettings.mPermissions.get(permName); 17348 if (bp != null) { 17349 if (isGranted) { 17350 perms.grantRuntimePermission(bp, userId); 17351 } 17352 if (newFlagSet != 0) { 17353 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17354 } 17355 } 17356 } else { 17357 // Need to wait for post-restore install to apply the grant 17358 if (DEBUG_BACKUP) { 17359 Slog.v(TAG, " - not yet installed; saving for later"); 17360 } 17361 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17362 isGranted, newFlagSet, userId); 17363 } 17364 } else { 17365 PackageManagerService.reportSettingsProblem(Log.WARN, 17366 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17367 XmlUtils.skipCurrentTag(parser); 17368 } 17369 } 17370 17371 scheduleWriteSettingsLocked(); 17372 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17373 } 17374 17375 @Override 17376 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17377 int sourceUserId, int targetUserId, int flags) { 17378 mContext.enforceCallingOrSelfPermission( 17379 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17380 int callingUid = Binder.getCallingUid(); 17381 enforceOwnerRights(ownerPackage, callingUid); 17382 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17383 if (intentFilter.countActions() == 0) { 17384 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17385 return; 17386 } 17387 synchronized (mPackages) { 17388 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17389 ownerPackage, targetUserId, flags); 17390 CrossProfileIntentResolver resolver = 17391 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17392 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17393 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17394 if (existing != null) { 17395 int size = existing.size(); 17396 for (int i = 0; i < size; i++) { 17397 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17398 return; 17399 } 17400 } 17401 } 17402 resolver.addFilter(newFilter); 17403 scheduleWritePackageRestrictionsLocked(sourceUserId); 17404 } 17405 } 17406 17407 @Override 17408 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17409 mContext.enforceCallingOrSelfPermission( 17410 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17411 int callingUid = Binder.getCallingUid(); 17412 enforceOwnerRights(ownerPackage, callingUid); 17413 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17414 synchronized (mPackages) { 17415 CrossProfileIntentResolver resolver = 17416 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17417 ArraySet<CrossProfileIntentFilter> set = 17418 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17419 for (CrossProfileIntentFilter filter : set) { 17420 if (filter.getOwnerPackage().equals(ownerPackage)) { 17421 resolver.removeFilter(filter); 17422 } 17423 } 17424 scheduleWritePackageRestrictionsLocked(sourceUserId); 17425 } 17426 } 17427 17428 // Enforcing that callingUid is owning pkg on userId 17429 private void enforceOwnerRights(String pkg, int callingUid) { 17430 // The system owns everything. 17431 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17432 return; 17433 } 17434 int callingUserId = UserHandle.getUserId(callingUid); 17435 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17436 if (pi == null) { 17437 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17438 + callingUserId); 17439 } 17440 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17441 throw new SecurityException("Calling uid " + callingUid 17442 + " does not own package " + pkg); 17443 } 17444 } 17445 17446 @Override 17447 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17448 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17449 } 17450 17451 private Intent getHomeIntent() { 17452 Intent intent = new Intent(Intent.ACTION_MAIN); 17453 intent.addCategory(Intent.CATEGORY_HOME); 17454 return intent; 17455 } 17456 17457 private IntentFilter getHomeFilter() { 17458 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17459 filter.addCategory(Intent.CATEGORY_HOME); 17460 filter.addCategory(Intent.CATEGORY_DEFAULT); 17461 return filter; 17462 } 17463 17464 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17465 int userId) { 17466 Intent intent = getHomeIntent(); 17467 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17468 PackageManager.GET_META_DATA, userId); 17469 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17470 true, false, false, userId); 17471 17472 allHomeCandidates.clear(); 17473 if (list != null) { 17474 for (ResolveInfo ri : list) { 17475 allHomeCandidates.add(ri); 17476 } 17477 } 17478 return (preferred == null || preferred.activityInfo == null) 17479 ? null 17480 : new ComponentName(preferred.activityInfo.packageName, 17481 preferred.activityInfo.name); 17482 } 17483 17484 @Override 17485 public void setHomeActivity(ComponentName comp, int userId) { 17486 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17487 getHomeActivitiesAsUser(homeActivities, userId); 17488 17489 boolean found = false; 17490 17491 final int size = homeActivities.size(); 17492 final ComponentName[] set = new ComponentName[size]; 17493 for (int i = 0; i < size; i++) { 17494 final ResolveInfo candidate = homeActivities.get(i); 17495 final ActivityInfo info = candidate.activityInfo; 17496 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17497 set[i] = activityName; 17498 if (!found && activityName.equals(comp)) { 17499 found = true; 17500 } 17501 } 17502 if (!found) { 17503 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17504 + userId); 17505 } 17506 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17507 set, comp, userId); 17508 } 17509 17510 private @Nullable String getSetupWizardPackageName() { 17511 final Intent intent = new Intent(Intent.ACTION_MAIN); 17512 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17513 17514 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17515 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17516 | MATCH_DISABLED_COMPONENTS, 17517 UserHandle.myUserId()); 17518 if (matches.size() == 1) { 17519 return matches.get(0).getComponentInfo().packageName; 17520 } else { 17521 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17522 + ": matches=" + matches); 17523 return null; 17524 } 17525 } 17526 17527 @Override 17528 public void setApplicationEnabledSetting(String appPackageName, 17529 int newState, int flags, int userId, String callingPackage) { 17530 if (!sUserManager.exists(userId)) return; 17531 if (callingPackage == null) { 17532 callingPackage = Integer.toString(Binder.getCallingUid()); 17533 } 17534 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17535 } 17536 17537 @Override 17538 public void setComponentEnabledSetting(ComponentName componentName, 17539 int newState, int flags, int userId) { 17540 if (!sUserManager.exists(userId)) return; 17541 setEnabledSetting(componentName.getPackageName(), 17542 componentName.getClassName(), newState, flags, userId, null); 17543 } 17544 17545 private void setEnabledSetting(final String packageName, String className, int newState, 17546 final int flags, int userId, String callingPackage) { 17547 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17548 || newState == COMPONENT_ENABLED_STATE_ENABLED 17549 || newState == COMPONENT_ENABLED_STATE_DISABLED 17550 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17551 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17552 throw new IllegalArgumentException("Invalid new component state: " 17553 + newState); 17554 } 17555 PackageSetting pkgSetting; 17556 final int uid = Binder.getCallingUid(); 17557 final int permission; 17558 if (uid == Process.SYSTEM_UID) { 17559 permission = PackageManager.PERMISSION_GRANTED; 17560 } else { 17561 permission = mContext.checkCallingOrSelfPermission( 17562 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17563 } 17564 enforceCrossUserPermission(uid, userId, 17565 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17566 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17567 boolean sendNow = false; 17568 boolean isApp = (className == null); 17569 String componentName = isApp ? packageName : className; 17570 int packageUid = -1; 17571 ArrayList<String> components; 17572 17573 // writer 17574 synchronized (mPackages) { 17575 pkgSetting = mSettings.mPackages.get(packageName); 17576 if (pkgSetting == null) { 17577 if (className == null) { 17578 throw new IllegalArgumentException("Unknown package: " + packageName); 17579 } 17580 throw new IllegalArgumentException( 17581 "Unknown component: " + packageName + "/" + className); 17582 } 17583 } 17584 17585 // Limit who can change which apps 17586 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17587 // Don't allow apps that don't have permission to modify other apps 17588 if (!allowedByPermission) { 17589 throw new SecurityException( 17590 "Permission Denial: attempt to change component state from pid=" 17591 + Binder.getCallingPid() 17592 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17593 } 17594 // Don't allow changing profile and device owners. 17595 if (mProtectedPackages.canPackageStateBeChanged(userId, packageName)) { 17596 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17597 } 17598 } 17599 17600 synchronized (mPackages) { 17601 if (uid == Process.SHELL_UID) { 17602 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17603 int oldState = pkgSetting.getEnabled(userId); 17604 if (className == null 17605 && 17606 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17607 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17608 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17609 && 17610 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17611 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17612 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17613 // ok 17614 } else { 17615 throw new SecurityException( 17616 "Shell cannot change component state for " + packageName + "/" 17617 + className + " to " + newState); 17618 } 17619 } 17620 if (className == null) { 17621 // We're dealing with an application/package level state change 17622 if (pkgSetting.getEnabled(userId) == newState) { 17623 // Nothing to do 17624 return; 17625 } 17626 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17627 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17628 // Don't care about who enables an app. 17629 callingPackage = null; 17630 } 17631 pkgSetting.setEnabled(newState, userId, callingPackage); 17632 // pkgSetting.pkg.mSetEnabled = newState; 17633 } else { 17634 // We're dealing with a component level state change 17635 // First, verify that this is a valid class name. 17636 PackageParser.Package pkg = pkgSetting.pkg; 17637 if (pkg == null || !pkg.hasComponentClassName(className)) { 17638 if (pkg != null && 17639 pkg.applicationInfo.targetSdkVersion >= 17640 Build.VERSION_CODES.JELLY_BEAN) { 17641 throw new IllegalArgumentException("Component class " + className 17642 + " does not exist in " + packageName); 17643 } else { 17644 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17645 + className + " does not exist in " + packageName); 17646 } 17647 } 17648 switch (newState) { 17649 case COMPONENT_ENABLED_STATE_ENABLED: 17650 if (!pkgSetting.enableComponentLPw(className, userId)) { 17651 return; 17652 } 17653 break; 17654 case COMPONENT_ENABLED_STATE_DISABLED: 17655 if (!pkgSetting.disableComponentLPw(className, userId)) { 17656 return; 17657 } 17658 break; 17659 case COMPONENT_ENABLED_STATE_DEFAULT: 17660 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17661 return; 17662 } 17663 break; 17664 default: 17665 Slog.e(TAG, "Invalid new component state: " + newState); 17666 return; 17667 } 17668 } 17669 scheduleWritePackageRestrictionsLocked(userId); 17670 components = mPendingBroadcasts.get(userId, packageName); 17671 final boolean newPackage = components == null; 17672 if (newPackage) { 17673 components = new ArrayList<String>(); 17674 } 17675 if (!components.contains(componentName)) { 17676 components.add(componentName); 17677 } 17678 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17679 sendNow = true; 17680 // Purge entry from pending broadcast list if another one exists already 17681 // since we are sending one right away. 17682 mPendingBroadcasts.remove(userId, packageName); 17683 } else { 17684 if (newPackage) { 17685 mPendingBroadcasts.put(userId, packageName, components); 17686 } 17687 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17688 // Schedule a message 17689 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17690 } 17691 } 17692 } 17693 17694 long callingId = Binder.clearCallingIdentity(); 17695 try { 17696 if (sendNow) { 17697 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17698 sendPackageChangedBroadcast(packageName, 17699 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17700 } 17701 } finally { 17702 Binder.restoreCallingIdentity(callingId); 17703 } 17704 } 17705 17706 @Override 17707 public void flushPackageRestrictionsAsUser(int userId) { 17708 if (!sUserManager.exists(userId)) { 17709 return; 17710 } 17711 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17712 false /* checkShell */, "flushPackageRestrictions"); 17713 synchronized (mPackages) { 17714 mSettings.writePackageRestrictionsLPr(userId); 17715 mDirtyUsers.remove(userId); 17716 if (mDirtyUsers.isEmpty()) { 17717 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17718 } 17719 } 17720 } 17721 17722 private void sendPackageChangedBroadcast(String packageName, 17723 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17724 if (DEBUG_INSTALL) 17725 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17726 + componentNames); 17727 Bundle extras = new Bundle(4); 17728 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17729 String nameList[] = new String[componentNames.size()]; 17730 componentNames.toArray(nameList); 17731 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17732 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17733 extras.putInt(Intent.EXTRA_UID, packageUid); 17734 // If this is not reporting a change of the overall package, then only send it 17735 // to registered receivers. We don't want to launch a swath of apps for every 17736 // little component state change. 17737 final int flags = !componentNames.contains(packageName) 17738 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17739 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17740 new int[] {UserHandle.getUserId(packageUid)}); 17741 } 17742 17743 @Override 17744 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17745 if (!sUserManager.exists(userId)) return; 17746 final int uid = Binder.getCallingUid(); 17747 final int permission = mContext.checkCallingOrSelfPermission( 17748 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17749 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17750 enforceCrossUserPermission(uid, userId, 17751 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17752 // writer 17753 synchronized (mPackages) { 17754 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17755 allowedByPermission, uid, userId)) { 17756 scheduleWritePackageRestrictionsLocked(userId); 17757 } 17758 } 17759 } 17760 17761 @Override 17762 public String getInstallerPackageName(String packageName) { 17763 // reader 17764 synchronized (mPackages) { 17765 return mSettings.getInstallerPackageNameLPr(packageName); 17766 } 17767 } 17768 17769 public boolean isOrphaned(String packageName) { 17770 // reader 17771 synchronized (mPackages) { 17772 return mSettings.isOrphaned(packageName); 17773 } 17774 } 17775 17776 @Override 17777 public int getApplicationEnabledSetting(String packageName, int userId) { 17778 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17779 int uid = Binder.getCallingUid(); 17780 enforceCrossUserPermission(uid, userId, 17781 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17782 // reader 17783 synchronized (mPackages) { 17784 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17785 } 17786 } 17787 17788 @Override 17789 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17790 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17791 int uid = Binder.getCallingUid(); 17792 enforceCrossUserPermission(uid, userId, 17793 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17794 // reader 17795 synchronized (mPackages) { 17796 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17797 } 17798 } 17799 17800 @Override 17801 public void enterSafeMode() { 17802 enforceSystemOrRoot("Only the system can request entering safe mode"); 17803 17804 if (!mSystemReady) { 17805 mSafeMode = true; 17806 } 17807 } 17808 17809 @Override 17810 public void systemReady() { 17811 mSystemReady = true; 17812 17813 // Read the compatibilty setting when the system is ready. 17814 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17815 mContext.getContentResolver(), 17816 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17817 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17818 if (DEBUG_SETTINGS) { 17819 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17820 } 17821 17822 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17823 17824 synchronized (mPackages) { 17825 // Verify that all of the preferred activity components actually 17826 // exist. It is possible for applications to be updated and at 17827 // that point remove a previously declared activity component that 17828 // had been set as a preferred activity. We try to clean this up 17829 // the next time we encounter that preferred activity, but it is 17830 // possible for the user flow to never be able to return to that 17831 // situation so here we do a sanity check to make sure we haven't 17832 // left any junk around. 17833 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17834 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17835 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17836 removed.clear(); 17837 for (PreferredActivity pa : pir.filterSet()) { 17838 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17839 removed.add(pa); 17840 } 17841 } 17842 if (removed.size() > 0) { 17843 for (int r=0; r<removed.size(); r++) { 17844 PreferredActivity pa = removed.get(r); 17845 Slog.w(TAG, "Removing dangling preferred activity: " 17846 + pa.mPref.mComponent); 17847 pir.removeFilter(pa); 17848 } 17849 mSettings.writePackageRestrictionsLPr( 17850 mSettings.mPreferredActivities.keyAt(i)); 17851 } 17852 } 17853 17854 for (int userId : UserManagerService.getInstance().getUserIds()) { 17855 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17856 grantPermissionsUserIds = ArrayUtils.appendInt( 17857 grantPermissionsUserIds, userId); 17858 } 17859 } 17860 } 17861 sUserManager.systemReady(); 17862 17863 // If we upgraded grant all default permissions before kicking off. 17864 for (int userId : grantPermissionsUserIds) { 17865 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17866 } 17867 17868 // Kick off any messages waiting for system ready 17869 if (mPostSystemReadyMessages != null) { 17870 for (Message msg : mPostSystemReadyMessages) { 17871 msg.sendToTarget(); 17872 } 17873 mPostSystemReadyMessages = null; 17874 } 17875 17876 // Watch for external volumes that come and go over time 17877 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17878 storage.registerListener(mStorageListener); 17879 17880 mInstallerService.systemReady(); 17881 mPackageDexOptimizer.systemReady(); 17882 17883 MountServiceInternal mountServiceInternal = LocalServices.getService( 17884 MountServiceInternal.class); 17885 mountServiceInternal.addExternalStoragePolicy( 17886 new MountServiceInternal.ExternalStorageMountPolicy() { 17887 @Override 17888 public int getMountMode(int uid, String packageName) { 17889 if (Process.isIsolated(uid)) { 17890 return Zygote.MOUNT_EXTERNAL_NONE; 17891 } 17892 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17893 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17894 } 17895 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17896 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17897 } 17898 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17899 return Zygote.MOUNT_EXTERNAL_READ; 17900 } 17901 return Zygote.MOUNT_EXTERNAL_WRITE; 17902 } 17903 17904 @Override 17905 public boolean hasExternalStorage(int uid, String packageName) { 17906 return true; 17907 } 17908 }); 17909 17910 // Now that we're mostly running, clean up stale users and apps 17911 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17912 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17913 } 17914 17915 @Override 17916 public boolean isSafeMode() { 17917 return mSafeMode; 17918 } 17919 17920 @Override 17921 public boolean hasSystemUidErrors() { 17922 return mHasSystemUidErrors; 17923 } 17924 17925 static String arrayToString(int[] array) { 17926 StringBuffer buf = new StringBuffer(128); 17927 buf.append('['); 17928 if (array != null) { 17929 for (int i=0; i<array.length; i++) { 17930 if (i > 0) buf.append(", "); 17931 buf.append(array[i]); 17932 } 17933 } 17934 buf.append(']'); 17935 return buf.toString(); 17936 } 17937 17938 static class DumpState { 17939 public static final int DUMP_LIBS = 1 << 0; 17940 public static final int DUMP_FEATURES = 1 << 1; 17941 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17942 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17943 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17944 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17945 public static final int DUMP_PERMISSIONS = 1 << 6; 17946 public static final int DUMP_PACKAGES = 1 << 7; 17947 public static final int DUMP_SHARED_USERS = 1 << 8; 17948 public static final int DUMP_MESSAGES = 1 << 9; 17949 public static final int DUMP_PROVIDERS = 1 << 10; 17950 public static final int DUMP_VERIFIERS = 1 << 11; 17951 public static final int DUMP_PREFERRED = 1 << 12; 17952 public static final int DUMP_PREFERRED_XML = 1 << 13; 17953 public static final int DUMP_KEYSETS = 1 << 14; 17954 public static final int DUMP_VERSION = 1 << 15; 17955 public static final int DUMP_INSTALLS = 1 << 16; 17956 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17957 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17958 public static final int DUMP_FROZEN = 1 << 19; 17959 public static final int DUMP_DEXOPT = 1 << 20; 17960 public static final int DUMP_COMPILER_STATS = 1 << 21; 17961 17962 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17963 17964 private int mTypes; 17965 17966 private int mOptions; 17967 17968 private boolean mTitlePrinted; 17969 17970 private SharedUserSetting mSharedUser; 17971 17972 public boolean isDumping(int type) { 17973 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17974 return true; 17975 } 17976 17977 return (mTypes & type) != 0; 17978 } 17979 17980 public void setDump(int type) { 17981 mTypes |= type; 17982 } 17983 17984 public boolean isOptionEnabled(int option) { 17985 return (mOptions & option) != 0; 17986 } 17987 17988 public void setOptionEnabled(int option) { 17989 mOptions |= option; 17990 } 17991 17992 public boolean onTitlePrinted() { 17993 final boolean printed = mTitlePrinted; 17994 mTitlePrinted = true; 17995 return printed; 17996 } 17997 17998 public boolean getTitlePrinted() { 17999 return mTitlePrinted; 18000 } 18001 18002 public void setTitlePrinted(boolean enabled) { 18003 mTitlePrinted = enabled; 18004 } 18005 18006 public SharedUserSetting getSharedUser() { 18007 return mSharedUser; 18008 } 18009 18010 public void setSharedUser(SharedUserSetting user) { 18011 mSharedUser = user; 18012 } 18013 } 18014 18015 @Override 18016 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18017 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18018 (new PackageManagerShellCommand(this)).exec( 18019 this, in, out, err, args, resultReceiver); 18020 } 18021 18022 @Override 18023 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18024 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18025 != PackageManager.PERMISSION_GRANTED) { 18026 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18027 + Binder.getCallingPid() 18028 + ", uid=" + Binder.getCallingUid() 18029 + " without permission " 18030 + android.Manifest.permission.DUMP); 18031 return; 18032 } 18033 18034 DumpState dumpState = new DumpState(); 18035 boolean fullPreferred = false; 18036 boolean checkin = false; 18037 18038 String packageName = null; 18039 ArraySet<String> permissionNames = null; 18040 18041 int opti = 0; 18042 while (opti < args.length) { 18043 String opt = args[opti]; 18044 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18045 break; 18046 } 18047 opti++; 18048 18049 if ("-a".equals(opt)) { 18050 // Right now we only know how to print all. 18051 } else if ("-h".equals(opt)) { 18052 pw.println("Package manager dump options:"); 18053 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18054 pw.println(" --checkin: dump for a checkin"); 18055 pw.println(" -f: print details of intent filters"); 18056 pw.println(" -h: print this help"); 18057 pw.println(" cmd may be one of:"); 18058 pw.println(" l[ibraries]: list known shared libraries"); 18059 pw.println(" f[eatures]: list device features"); 18060 pw.println(" k[eysets]: print known keysets"); 18061 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18062 pw.println(" perm[issions]: dump permissions"); 18063 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18064 pw.println(" pref[erred]: print preferred package settings"); 18065 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18066 pw.println(" prov[iders]: dump content providers"); 18067 pw.println(" p[ackages]: dump installed packages"); 18068 pw.println(" s[hared-users]: dump shared user IDs"); 18069 pw.println(" m[essages]: print collected runtime messages"); 18070 pw.println(" v[erifiers]: print package verifier info"); 18071 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18072 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18073 pw.println(" version: print database version info"); 18074 pw.println(" write: write current settings now"); 18075 pw.println(" installs: details about install sessions"); 18076 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18077 pw.println(" dexopt: dump dexopt state"); 18078 pw.println(" compiler-stats: dump compiler statistics"); 18079 pw.println(" <package.name>: info about given package"); 18080 return; 18081 } else if ("--checkin".equals(opt)) { 18082 checkin = true; 18083 } else if ("-f".equals(opt)) { 18084 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18085 } else { 18086 pw.println("Unknown argument: " + opt + "; use -h for help"); 18087 } 18088 } 18089 18090 // Is the caller requesting to dump a particular piece of data? 18091 if (opti < args.length) { 18092 String cmd = args[opti]; 18093 opti++; 18094 // Is this a package name? 18095 if ("android".equals(cmd) || cmd.contains(".")) { 18096 packageName = cmd; 18097 // When dumping a single package, we always dump all of its 18098 // filter information since the amount of data will be reasonable. 18099 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18100 } else if ("check-permission".equals(cmd)) { 18101 if (opti >= args.length) { 18102 pw.println("Error: check-permission missing permission argument"); 18103 return; 18104 } 18105 String perm = args[opti]; 18106 opti++; 18107 if (opti >= args.length) { 18108 pw.println("Error: check-permission missing package argument"); 18109 return; 18110 } 18111 String pkg = args[opti]; 18112 opti++; 18113 int user = UserHandle.getUserId(Binder.getCallingUid()); 18114 if (opti < args.length) { 18115 try { 18116 user = Integer.parseInt(args[opti]); 18117 } catch (NumberFormatException e) { 18118 pw.println("Error: check-permission user argument is not a number: " 18119 + args[opti]); 18120 return; 18121 } 18122 } 18123 pw.println(checkPermission(perm, pkg, user)); 18124 return; 18125 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18126 dumpState.setDump(DumpState.DUMP_LIBS); 18127 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18128 dumpState.setDump(DumpState.DUMP_FEATURES); 18129 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18130 if (opti >= args.length) { 18131 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18132 | DumpState.DUMP_SERVICE_RESOLVERS 18133 | DumpState.DUMP_RECEIVER_RESOLVERS 18134 | DumpState.DUMP_CONTENT_RESOLVERS); 18135 } else { 18136 while (opti < args.length) { 18137 String name = args[opti]; 18138 if ("a".equals(name) || "activity".equals(name)) { 18139 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18140 } else if ("s".equals(name) || "service".equals(name)) { 18141 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18142 } else if ("r".equals(name) || "receiver".equals(name)) { 18143 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18144 } else if ("c".equals(name) || "content".equals(name)) { 18145 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18146 } else { 18147 pw.println("Error: unknown resolver table type: " + name); 18148 return; 18149 } 18150 opti++; 18151 } 18152 } 18153 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18154 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18155 } else if ("permission".equals(cmd)) { 18156 if (opti >= args.length) { 18157 pw.println("Error: permission requires permission name"); 18158 return; 18159 } 18160 permissionNames = new ArraySet<>(); 18161 while (opti < args.length) { 18162 permissionNames.add(args[opti]); 18163 opti++; 18164 } 18165 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18166 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18167 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18168 dumpState.setDump(DumpState.DUMP_PREFERRED); 18169 } else if ("preferred-xml".equals(cmd)) { 18170 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18171 if (opti < args.length && "--full".equals(args[opti])) { 18172 fullPreferred = true; 18173 opti++; 18174 } 18175 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18176 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18177 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18178 dumpState.setDump(DumpState.DUMP_PACKAGES); 18179 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18180 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18181 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18182 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18183 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18184 dumpState.setDump(DumpState.DUMP_MESSAGES); 18185 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18186 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18187 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18188 || "intent-filter-verifiers".equals(cmd)) { 18189 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18190 } else if ("version".equals(cmd)) { 18191 dumpState.setDump(DumpState.DUMP_VERSION); 18192 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18193 dumpState.setDump(DumpState.DUMP_KEYSETS); 18194 } else if ("installs".equals(cmd)) { 18195 dumpState.setDump(DumpState.DUMP_INSTALLS); 18196 } else if ("frozen".equals(cmd)) { 18197 dumpState.setDump(DumpState.DUMP_FROZEN); 18198 } else if ("dexopt".equals(cmd)) { 18199 dumpState.setDump(DumpState.DUMP_DEXOPT); 18200 } else if ("compiler-stats".equals(cmd)) { 18201 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18202 } else if ("write".equals(cmd)) { 18203 synchronized (mPackages) { 18204 mSettings.writeLPr(); 18205 pw.println("Settings written."); 18206 return; 18207 } 18208 } 18209 } 18210 18211 if (checkin) { 18212 pw.println("vers,1"); 18213 } 18214 18215 // reader 18216 synchronized (mPackages) { 18217 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18218 if (!checkin) { 18219 if (dumpState.onTitlePrinted()) 18220 pw.println(); 18221 pw.println("Database versions:"); 18222 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18223 } 18224 } 18225 18226 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18227 if (!checkin) { 18228 if (dumpState.onTitlePrinted()) 18229 pw.println(); 18230 pw.println("Verifiers:"); 18231 pw.print(" Required: "); 18232 pw.print(mRequiredVerifierPackage); 18233 pw.print(" (uid="); 18234 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18235 UserHandle.USER_SYSTEM)); 18236 pw.println(")"); 18237 } else if (mRequiredVerifierPackage != null) { 18238 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18239 pw.print(","); 18240 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18241 UserHandle.USER_SYSTEM)); 18242 } 18243 } 18244 18245 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18246 packageName == null) { 18247 if (mIntentFilterVerifierComponent != null) { 18248 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18249 if (!checkin) { 18250 if (dumpState.onTitlePrinted()) 18251 pw.println(); 18252 pw.println("Intent Filter Verifier:"); 18253 pw.print(" Using: "); 18254 pw.print(verifierPackageName); 18255 pw.print(" (uid="); 18256 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18257 UserHandle.USER_SYSTEM)); 18258 pw.println(")"); 18259 } else if (verifierPackageName != null) { 18260 pw.print("ifv,"); pw.print(verifierPackageName); 18261 pw.print(","); 18262 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18263 UserHandle.USER_SYSTEM)); 18264 } 18265 } else { 18266 pw.println(); 18267 pw.println("No Intent Filter Verifier available!"); 18268 } 18269 } 18270 18271 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18272 boolean printedHeader = false; 18273 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18274 while (it.hasNext()) { 18275 String name = it.next(); 18276 SharedLibraryEntry ent = mSharedLibraries.get(name); 18277 if (!checkin) { 18278 if (!printedHeader) { 18279 if (dumpState.onTitlePrinted()) 18280 pw.println(); 18281 pw.println("Libraries:"); 18282 printedHeader = true; 18283 } 18284 pw.print(" "); 18285 } else { 18286 pw.print("lib,"); 18287 } 18288 pw.print(name); 18289 if (!checkin) { 18290 pw.print(" -> "); 18291 } 18292 if (ent.path != null) { 18293 if (!checkin) { 18294 pw.print("(jar) "); 18295 pw.print(ent.path); 18296 } else { 18297 pw.print(",jar,"); 18298 pw.print(ent.path); 18299 } 18300 } else { 18301 if (!checkin) { 18302 pw.print("(apk) "); 18303 pw.print(ent.apk); 18304 } else { 18305 pw.print(",apk,"); 18306 pw.print(ent.apk); 18307 } 18308 } 18309 pw.println(); 18310 } 18311 } 18312 18313 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18314 if (dumpState.onTitlePrinted()) 18315 pw.println(); 18316 if (!checkin) { 18317 pw.println("Features:"); 18318 } 18319 18320 for (FeatureInfo feat : mAvailableFeatures.values()) { 18321 if (checkin) { 18322 pw.print("feat,"); 18323 pw.print(feat.name); 18324 pw.print(","); 18325 pw.println(feat.version); 18326 } else { 18327 pw.print(" "); 18328 pw.print(feat.name); 18329 if (feat.version > 0) { 18330 pw.print(" version="); 18331 pw.print(feat.version); 18332 } 18333 pw.println(); 18334 } 18335 } 18336 } 18337 18338 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18339 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18340 : "Activity Resolver Table:", " ", packageName, 18341 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18342 dumpState.setTitlePrinted(true); 18343 } 18344 } 18345 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18346 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18347 : "Receiver Resolver Table:", " ", packageName, 18348 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18349 dumpState.setTitlePrinted(true); 18350 } 18351 } 18352 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18353 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18354 : "Service Resolver Table:", " ", packageName, 18355 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18356 dumpState.setTitlePrinted(true); 18357 } 18358 } 18359 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18360 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18361 : "Provider Resolver Table:", " ", packageName, 18362 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18363 dumpState.setTitlePrinted(true); 18364 } 18365 } 18366 18367 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18368 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18369 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18370 int user = mSettings.mPreferredActivities.keyAt(i); 18371 if (pir.dump(pw, 18372 dumpState.getTitlePrinted() 18373 ? "\nPreferred Activities User " + user + ":" 18374 : "Preferred Activities User " + user + ":", " ", 18375 packageName, true, false)) { 18376 dumpState.setTitlePrinted(true); 18377 } 18378 } 18379 } 18380 18381 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18382 pw.flush(); 18383 FileOutputStream fout = new FileOutputStream(fd); 18384 BufferedOutputStream str = new BufferedOutputStream(fout); 18385 XmlSerializer serializer = new FastXmlSerializer(); 18386 try { 18387 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18388 serializer.startDocument(null, true); 18389 serializer.setFeature( 18390 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18391 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18392 serializer.endDocument(); 18393 serializer.flush(); 18394 } catch (IllegalArgumentException e) { 18395 pw.println("Failed writing: " + e); 18396 } catch (IllegalStateException e) { 18397 pw.println("Failed writing: " + e); 18398 } catch (IOException e) { 18399 pw.println("Failed writing: " + e); 18400 } 18401 } 18402 18403 if (!checkin 18404 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18405 && packageName == null) { 18406 pw.println(); 18407 int count = mSettings.mPackages.size(); 18408 if (count == 0) { 18409 pw.println("No applications!"); 18410 pw.println(); 18411 } else { 18412 final String prefix = " "; 18413 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18414 if (allPackageSettings.size() == 0) { 18415 pw.println("No domain preferred apps!"); 18416 pw.println(); 18417 } else { 18418 pw.println("App verification status:"); 18419 pw.println(); 18420 count = 0; 18421 for (PackageSetting ps : allPackageSettings) { 18422 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18423 if (ivi == null || ivi.getPackageName() == null) continue; 18424 pw.println(prefix + "Package: " + ivi.getPackageName()); 18425 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18426 pw.println(prefix + "Status: " + ivi.getStatusString()); 18427 pw.println(); 18428 count++; 18429 } 18430 if (count == 0) { 18431 pw.println(prefix + "No app verification established."); 18432 pw.println(); 18433 } 18434 for (int userId : sUserManager.getUserIds()) { 18435 pw.println("App linkages for user " + userId + ":"); 18436 pw.println(); 18437 count = 0; 18438 for (PackageSetting ps : allPackageSettings) { 18439 final long status = ps.getDomainVerificationStatusForUser(userId); 18440 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18441 continue; 18442 } 18443 pw.println(prefix + "Package: " + ps.name); 18444 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18445 String statusStr = IntentFilterVerificationInfo. 18446 getStatusStringFromValue(status); 18447 pw.println(prefix + "Status: " + statusStr); 18448 pw.println(); 18449 count++; 18450 } 18451 if (count == 0) { 18452 pw.println(prefix + "No configured app linkages."); 18453 pw.println(); 18454 } 18455 } 18456 } 18457 } 18458 } 18459 18460 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18461 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18462 if (packageName == null && permissionNames == null) { 18463 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18464 if (iperm == 0) { 18465 if (dumpState.onTitlePrinted()) 18466 pw.println(); 18467 pw.println("AppOp Permissions:"); 18468 } 18469 pw.print(" AppOp Permission "); 18470 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18471 pw.println(":"); 18472 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18473 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18474 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18475 } 18476 } 18477 } 18478 } 18479 18480 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18481 boolean printedSomething = false; 18482 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18483 if (packageName != null && !packageName.equals(p.info.packageName)) { 18484 continue; 18485 } 18486 if (!printedSomething) { 18487 if (dumpState.onTitlePrinted()) 18488 pw.println(); 18489 pw.println("Registered ContentProviders:"); 18490 printedSomething = true; 18491 } 18492 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18493 pw.print(" "); pw.println(p.toString()); 18494 } 18495 printedSomething = false; 18496 for (Map.Entry<String, PackageParser.Provider> entry : 18497 mProvidersByAuthority.entrySet()) { 18498 PackageParser.Provider p = entry.getValue(); 18499 if (packageName != null && !packageName.equals(p.info.packageName)) { 18500 continue; 18501 } 18502 if (!printedSomething) { 18503 if (dumpState.onTitlePrinted()) 18504 pw.println(); 18505 pw.println("ContentProvider Authorities:"); 18506 printedSomething = true; 18507 } 18508 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18509 pw.print(" "); pw.println(p.toString()); 18510 if (p.info != null && p.info.applicationInfo != null) { 18511 final String appInfo = p.info.applicationInfo.toString(); 18512 pw.print(" applicationInfo="); pw.println(appInfo); 18513 } 18514 } 18515 } 18516 18517 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18518 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18519 } 18520 18521 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18522 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18523 } 18524 18525 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18526 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18527 } 18528 18529 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18530 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18531 } 18532 18533 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18534 // XXX should handle packageName != null by dumping only install data that 18535 // the given package is involved with. 18536 if (dumpState.onTitlePrinted()) pw.println(); 18537 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18538 } 18539 18540 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18541 // XXX should handle packageName != null by dumping only install data that 18542 // the given package is involved with. 18543 if (dumpState.onTitlePrinted()) pw.println(); 18544 18545 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18546 ipw.println(); 18547 ipw.println("Frozen packages:"); 18548 ipw.increaseIndent(); 18549 if (mFrozenPackages.size() == 0) { 18550 ipw.println("(none)"); 18551 } else { 18552 for (int i = 0; i < mFrozenPackages.size(); i++) { 18553 ipw.println(mFrozenPackages.valueAt(i)); 18554 } 18555 } 18556 ipw.decreaseIndent(); 18557 } 18558 18559 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18560 if (dumpState.onTitlePrinted()) pw.println(); 18561 dumpDexoptStateLPr(pw, packageName); 18562 } 18563 18564 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18565 if (dumpState.onTitlePrinted()) pw.println(); 18566 dumpCompilerStatsLPr(pw, packageName); 18567 } 18568 18569 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18570 if (dumpState.onTitlePrinted()) pw.println(); 18571 mSettings.dumpReadMessagesLPr(pw, dumpState); 18572 18573 pw.println(); 18574 pw.println("Package warning messages:"); 18575 BufferedReader in = null; 18576 String line = null; 18577 try { 18578 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18579 while ((line = in.readLine()) != null) { 18580 if (line.contains("ignored: updated version")) continue; 18581 pw.println(line); 18582 } 18583 } catch (IOException ignored) { 18584 } finally { 18585 IoUtils.closeQuietly(in); 18586 } 18587 } 18588 18589 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18590 BufferedReader in = null; 18591 String line = null; 18592 try { 18593 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18594 while ((line = in.readLine()) != null) { 18595 if (line.contains("ignored: updated version")) continue; 18596 pw.print("msg,"); 18597 pw.println(line); 18598 } 18599 } catch (IOException ignored) { 18600 } finally { 18601 IoUtils.closeQuietly(in); 18602 } 18603 } 18604 } 18605 } 18606 18607 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18608 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18609 ipw.println(); 18610 ipw.println("Dexopt state:"); 18611 ipw.increaseIndent(); 18612 Collection<PackageParser.Package> packages = null; 18613 if (packageName != null) { 18614 PackageParser.Package targetPackage = mPackages.get(packageName); 18615 if (targetPackage != null) { 18616 packages = Collections.singletonList(targetPackage); 18617 } else { 18618 ipw.println("Unable to find package: " + packageName); 18619 return; 18620 } 18621 } else { 18622 packages = mPackages.values(); 18623 } 18624 18625 for (PackageParser.Package pkg : packages) { 18626 ipw.println("[" + pkg.packageName + "]"); 18627 ipw.increaseIndent(); 18628 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18629 ipw.decreaseIndent(); 18630 } 18631 } 18632 18633 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18634 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18635 ipw.println(); 18636 ipw.println("Compiler stats:"); 18637 ipw.increaseIndent(); 18638 Collection<PackageParser.Package> packages = null; 18639 if (packageName != null) { 18640 PackageParser.Package targetPackage = mPackages.get(packageName); 18641 if (targetPackage != null) { 18642 packages = Collections.singletonList(targetPackage); 18643 } else { 18644 ipw.println("Unable to find package: " + packageName); 18645 return; 18646 } 18647 } else { 18648 packages = mPackages.values(); 18649 } 18650 18651 for (PackageParser.Package pkg : packages) { 18652 ipw.println("[" + pkg.packageName + "]"); 18653 ipw.increaseIndent(); 18654 18655 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18656 if (stats == null) { 18657 ipw.println("(No recorded stats)"); 18658 } else { 18659 stats.dump(ipw); 18660 } 18661 ipw.decreaseIndent(); 18662 } 18663 } 18664 18665 private String dumpDomainString(String packageName) { 18666 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18667 .getList(); 18668 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18669 18670 ArraySet<String> result = new ArraySet<>(); 18671 if (iviList.size() > 0) { 18672 for (IntentFilterVerificationInfo ivi : iviList) { 18673 for (String host : ivi.getDomains()) { 18674 result.add(host); 18675 } 18676 } 18677 } 18678 if (filters != null && filters.size() > 0) { 18679 for (IntentFilter filter : filters) { 18680 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18681 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18682 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18683 result.addAll(filter.getHostsList()); 18684 } 18685 } 18686 } 18687 18688 StringBuilder sb = new StringBuilder(result.size() * 16); 18689 for (String domain : result) { 18690 if (sb.length() > 0) sb.append(" "); 18691 sb.append(domain); 18692 } 18693 return sb.toString(); 18694 } 18695 18696 // ------- apps on sdcard specific code ------- 18697 static final boolean DEBUG_SD_INSTALL = false; 18698 18699 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18700 18701 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18702 18703 private boolean mMediaMounted = false; 18704 18705 static String getEncryptKey() { 18706 try { 18707 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18708 SD_ENCRYPTION_KEYSTORE_NAME); 18709 if (sdEncKey == null) { 18710 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18711 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18712 if (sdEncKey == null) { 18713 Slog.e(TAG, "Failed to create encryption keys"); 18714 return null; 18715 } 18716 } 18717 return sdEncKey; 18718 } catch (NoSuchAlgorithmException nsae) { 18719 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18720 return null; 18721 } catch (IOException ioe) { 18722 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18723 return null; 18724 } 18725 } 18726 18727 /* 18728 * Update media status on PackageManager. 18729 */ 18730 @Override 18731 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18732 int callingUid = Binder.getCallingUid(); 18733 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18734 throw new SecurityException("Media status can only be updated by the system"); 18735 } 18736 // reader; this apparently protects mMediaMounted, but should probably 18737 // be a different lock in that case. 18738 synchronized (mPackages) { 18739 Log.i(TAG, "Updating external media status from " 18740 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18741 + (mediaStatus ? "mounted" : "unmounted")); 18742 if (DEBUG_SD_INSTALL) 18743 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18744 + ", mMediaMounted=" + mMediaMounted); 18745 if (mediaStatus == mMediaMounted) { 18746 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18747 : 0, -1); 18748 mHandler.sendMessage(msg); 18749 return; 18750 } 18751 mMediaMounted = mediaStatus; 18752 } 18753 // Queue up an async operation since the package installation may take a 18754 // little while. 18755 mHandler.post(new Runnable() { 18756 public void run() { 18757 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18758 } 18759 }); 18760 } 18761 18762 /** 18763 * Called by MountService when the initial ASECs to scan are available. 18764 * Should block until all the ASEC containers are finished being scanned. 18765 */ 18766 public void scanAvailableAsecs() { 18767 updateExternalMediaStatusInner(true, false, false); 18768 } 18769 18770 /* 18771 * Collect information of applications on external media, map them against 18772 * existing containers and update information based on current mount status. 18773 * Please note that we always have to report status if reportStatus has been 18774 * set to true especially when unloading packages. 18775 */ 18776 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18777 boolean externalStorage) { 18778 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18779 int[] uidArr = EmptyArray.INT; 18780 18781 final String[] list = PackageHelper.getSecureContainerList(); 18782 if (ArrayUtils.isEmpty(list)) { 18783 Log.i(TAG, "No secure containers found"); 18784 } else { 18785 // Process list of secure containers and categorize them 18786 // as active or stale based on their package internal state. 18787 18788 // reader 18789 synchronized (mPackages) { 18790 for (String cid : list) { 18791 // Leave stages untouched for now; installer service owns them 18792 if (PackageInstallerService.isStageName(cid)) continue; 18793 18794 if (DEBUG_SD_INSTALL) 18795 Log.i(TAG, "Processing container " + cid); 18796 String pkgName = getAsecPackageName(cid); 18797 if (pkgName == null) { 18798 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18799 continue; 18800 } 18801 if (DEBUG_SD_INSTALL) 18802 Log.i(TAG, "Looking for pkg : " + pkgName); 18803 18804 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18805 if (ps == null) { 18806 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18807 continue; 18808 } 18809 18810 /* 18811 * Skip packages that are not external if we're unmounting 18812 * external storage. 18813 */ 18814 if (externalStorage && !isMounted && !isExternal(ps)) { 18815 continue; 18816 } 18817 18818 final AsecInstallArgs args = new AsecInstallArgs(cid, 18819 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18820 // The package status is changed only if the code path 18821 // matches between settings and the container id. 18822 if (ps.codePathString != null 18823 && ps.codePathString.startsWith(args.getCodePath())) { 18824 if (DEBUG_SD_INSTALL) { 18825 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18826 + " at code path: " + ps.codePathString); 18827 } 18828 18829 // We do have a valid package installed on sdcard 18830 processCids.put(args, ps.codePathString); 18831 final int uid = ps.appId; 18832 if (uid != -1) { 18833 uidArr = ArrayUtils.appendInt(uidArr, uid); 18834 } 18835 } else { 18836 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18837 + ps.codePathString); 18838 } 18839 } 18840 } 18841 18842 Arrays.sort(uidArr); 18843 } 18844 18845 // Process packages with valid entries. 18846 if (isMounted) { 18847 if (DEBUG_SD_INSTALL) 18848 Log.i(TAG, "Loading packages"); 18849 loadMediaPackages(processCids, uidArr, externalStorage); 18850 startCleaningPackages(); 18851 mInstallerService.onSecureContainersAvailable(); 18852 } else { 18853 if (DEBUG_SD_INSTALL) 18854 Log.i(TAG, "Unloading packages"); 18855 unloadMediaPackages(processCids, uidArr, reportStatus); 18856 } 18857 } 18858 18859 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18860 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18861 final int size = infos.size(); 18862 final String[] packageNames = new String[size]; 18863 final int[] packageUids = new int[size]; 18864 for (int i = 0; i < size; i++) { 18865 final ApplicationInfo info = infos.get(i); 18866 packageNames[i] = info.packageName; 18867 packageUids[i] = info.uid; 18868 } 18869 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18870 finishedReceiver); 18871 } 18872 18873 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18874 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18875 sendResourcesChangedBroadcast(mediaStatus, replacing, 18876 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18877 } 18878 18879 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18880 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18881 int size = pkgList.length; 18882 if (size > 0) { 18883 // Send broadcasts here 18884 Bundle extras = new Bundle(); 18885 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18886 if (uidArr != null) { 18887 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18888 } 18889 if (replacing) { 18890 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18891 } 18892 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18893 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18894 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18895 } 18896 } 18897 18898 /* 18899 * Look at potentially valid container ids from processCids If package 18900 * information doesn't match the one on record or package scanning fails, 18901 * the cid is added to list of removeCids. We currently don't delete stale 18902 * containers. 18903 */ 18904 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18905 boolean externalStorage) { 18906 ArrayList<String> pkgList = new ArrayList<String>(); 18907 Set<AsecInstallArgs> keys = processCids.keySet(); 18908 18909 for (AsecInstallArgs args : keys) { 18910 String codePath = processCids.get(args); 18911 if (DEBUG_SD_INSTALL) 18912 Log.i(TAG, "Loading container : " + args.cid); 18913 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18914 try { 18915 // Make sure there are no container errors first. 18916 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18917 Slog.e(TAG, "Failed to mount cid : " + args.cid 18918 + " when installing from sdcard"); 18919 continue; 18920 } 18921 // Check code path here. 18922 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18923 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18924 + " does not match one in settings " + codePath); 18925 continue; 18926 } 18927 // Parse package 18928 int parseFlags = mDefParseFlags; 18929 if (args.isExternalAsec()) { 18930 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18931 } 18932 if (args.isFwdLocked()) { 18933 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18934 } 18935 18936 synchronized (mInstallLock) { 18937 PackageParser.Package pkg = null; 18938 try { 18939 // Sadly we don't know the package name yet to freeze it 18940 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18941 SCAN_IGNORE_FROZEN, 0, null); 18942 } catch (PackageManagerException e) { 18943 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18944 } 18945 // Scan the package 18946 if (pkg != null) { 18947 /* 18948 * TODO why is the lock being held? doPostInstall is 18949 * called in other places without the lock. This needs 18950 * to be straightened out. 18951 */ 18952 // writer 18953 synchronized (mPackages) { 18954 retCode = PackageManager.INSTALL_SUCCEEDED; 18955 pkgList.add(pkg.packageName); 18956 // Post process args 18957 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18958 pkg.applicationInfo.uid); 18959 } 18960 } else { 18961 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18962 } 18963 } 18964 18965 } finally { 18966 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18967 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18968 } 18969 } 18970 } 18971 // writer 18972 synchronized (mPackages) { 18973 // If the platform SDK has changed since the last time we booted, 18974 // we need to re-grant app permission to catch any new ones that 18975 // appear. This is really a hack, and means that apps can in some 18976 // cases get permissions that the user didn't initially explicitly 18977 // allow... it would be nice to have some better way to handle 18978 // this situation. 18979 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18980 : mSettings.getInternalVersion(); 18981 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18982 : StorageManager.UUID_PRIVATE_INTERNAL; 18983 18984 int updateFlags = UPDATE_PERMISSIONS_ALL; 18985 if (ver.sdkVersion != mSdkVersion) { 18986 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18987 + mSdkVersion + "; regranting permissions for external"); 18988 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18989 } 18990 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18991 18992 // Yay, everything is now upgraded 18993 ver.forceCurrent(); 18994 18995 // can downgrade to reader 18996 // Persist settings 18997 mSettings.writeLPr(); 18998 } 18999 // Send a broadcast to let everyone know we are done processing 19000 if (pkgList.size() > 0) { 19001 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19002 } 19003 } 19004 19005 /* 19006 * Utility method to unload a list of specified containers 19007 */ 19008 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19009 // Just unmount all valid containers. 19010 for (AsecInstallArgs arg : cidArgs) { 19011 synchronized (mInstallLock) { 19012 arg.doPostDeleteLI(false); 19013 } 19014 } 19015 } 19016 19017 /* 19018 * Unload packages mounted on external media. This involves deleting package 19019 * data from internal structures, sending broadcasts about disabled packages, 19020 * gc'ing to free up references, unmounting all secure containers 19021 * corresponding to packages on external media, and posting a 19022 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19023 * that we always have to post this message if status has been requested no 19024 * matter what. 19025 */ 19026 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19027 final boolean reportStatus) { 19028 if (DEBUG_SD_INSTALL) 19029 Log.i(TAG, "unloading media packages"); 19030 ArrayList<String> pkgList = new ArrayList<String>(); 19031 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19032 final Set<AsecInstallArgs> keys = processCids.keySet(); 19033 for (AsecInstallArgs args : keys) { 19034 String pkgName = args.getPackageName(); 19035 if (DEBUG_SD_INSTALL) 19036 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19037 // Delete package internally 19038 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19039 synchronized (mInstallLock) { 19040 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19041 final boolean res; 19042 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19043 "unloadMediaPackages")) { 19044 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19045 null); 19046 } 19047 if (res) { 19048 pkgList.add(pkgName); 19049 } else { 19050 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19051 failedList.add(args); 19052 } 19053 } 19054 } 19055 19056 // reader 19057 synchronized (mPackages) { 19058 // We didn't update the settings after removing each package; 19059 // write them now for all packages. 19060 mSettings.writeLPr(); 19061 } 19062 19063 // We have to absolutely send UPDATED_MEDIA_STATUS only 19064 // after confirming that all the receivers processed the ordered 19065 // broadcast when packages get disabled, force a gc to clean things up. 19066 // and unload all the containers. 19067 if (pkgList.size() > 0) { 19068 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19069 new IIntentReceiver.Stub() { 19070 public void performReceive(Intent intent, int resultCode, String data, 19071 Bundle extras, boolean ordered, boolean sticky, 19072 int sendingUser) throws RemoteException { 19073 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19074 reportStatus ? 1 : 0, 1, keys); 19075 mHandler.sendMessage(msg); 19076 } 19077 }); 19078 } else { 19079 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19080 keys); 19081 mHandler.sendMessage(msg); 19082 } 19083 } 19084 19085 private void loadPrivatePackages(final VolumeInfo vol) { 19086 mHandler.post(new Runnable() { 19087 @Override 19088 public void run() { 19089 loadPrivatePackagesInner(vol); 19090 } 19091 }); 19092 } 19093 19094 private void loadPrivatePackagesInner(VolumeInfo vol) { 19095 final String volumeUuid = vol.fsUuid; 19096 if (TextUtils.isEmpty(volumeUuid)) { 19097 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19098 return; 19099 } 19100 19101 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19102 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19103 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19104 19105 final VersionInfo ver; 19106 final List<PackageSetting> packages; 19107 synchronized (mPackages) { 19108 ver = mSettings.findOrCreateVersion(volumeUuid); 19109 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19110 } 19111 19112 for (PackageSetting ps : packages) { 19113 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19114 synchronized (mInstallLock) { 19115 final PackageParser.Package pkg; 19116 try { 19117 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19118 loaded.add(pkg.applicationInfo); 19119 19120 } catch (PackageManagerException e) { 19121 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19122 } 19123 19124 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19125 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19126 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19127 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19128 } 19129 } 19130 } 19131 19132 // Reconcile app data for all started/unlocked users 19133 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19134 final UserManager um = mContext.getSystemService(UserManager.class); 19135 UserManagerInternal umInternal = getUserManagerInternal(); 19136 for (UserInfo user : um.getUsers()) { 19137 final int flags; 19138 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19139 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19140 } else if (umInternal.isUserRunning(user.id)) { 19141 flags = StorageManager.FLAG_STORAGE_DE; 19142 } else { 19143 continue; 19144 } 19145 19146 try { 19147 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19148 synchronized (mInstallLock) { 19149 reconcileAppsDataLI(volumeUuid, user.id, flags); 19150 } 19151 } catch (IllegalStateException e) { 19152 // Device was probably ejected, and we'll process that event momentarily 19153 Slog.w(TAG, "Failed to prepare storage: " + e); 19154 } 19155 } 19156 19157 synchronized (mPackages) { 19158 int updateFlags = UPDATE_PERMISSIONS_ALL; 19159 if (ver.sdkVersion != mSdkVersion) { 19160 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19161 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19162 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19163 } 19164 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19165 19166 // Yay, everything is now upgraded 19167 ver.forceCurrent(); 19168 19169 mSettings.writeLPr(); 19170 } 19171 19172 for (PackageFreezer freezer : freezers) { 19173 freezer.close(); 19174 } 19175 19176 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19177 sendResourcesChangedBroadcast(true, false, loaded, null); 19178 } 19179 19180 private void unloadPrivatePackages(final VolumeInfo vol) { 19181 mHandler.post(new Runnable() { 19182 @Override 19183 public void run() { 19184 unloadPrivatePackagesInner(vol); 19185 } 19186 }); 19187 } 19188 19189 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19190 final String volumeUuid = vol.fsUuid; 19191 if (TextUtils.isEmpty(volumeUuid)) { 19192 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19193 return; 19194 } 19195 19196 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19197 synchronized (mInstallLock) { 19198 synchronized (mPackages) { 19199 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19200 for (PackageSetting ps : packages) { 19201 if (ps.pkg == null) continue; 19202 19203 final ApplicationInfo info = ps.pkg.applicationInfo; 19204 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19205 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19206 19207 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19208 "unloadPrivatePackagesInner")) { 19209 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19210 false, null)) { 19211 unloaded.add(info); 19212 } else { 19213 Slog.w(TAG, "Failed to unload " + ps.codePath); 19214 } 19215 } 19216 19217 // Try very hard to release any references to this package 19218 // so we don't risk the system server being killed due to 19219 // open FDs 19220 AttributeCache.instance().removePackage(ps.name); 19221 } 19222 19223 mSettings.writeLPr(); 19224 } 19225 } 19226 19227 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19228 sendResourcesChangedBroadcast(false, false, unloaded, null); 19229 19230 // Try very hard to release any references to this path so we don't risk 19231 // the system server being killed due to open FDs 19232 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19233 19234 for (int i = 0; i < 3; i++) { 19235 System.gc(); 19236 System.runFinalization(); 19237 } 19238 } 19239 19240 /** 19241 * Prepare storage areas for given user on all mounted devices. 19242 */ 19243 void prepareUserData(int userId, int userSerial, int flags) { 19244 synchronized (mInstallLock) { 19245 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19246 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19247 final String volumeUuid = vol.getFsUuid(); 19248 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19249 } 19250 } 19251 } 19252 19253 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19254 boolean allowRecover) { 19255 // Prepare storage and verify that serial numbers are consistent; if 19256 // there's a mismatch we need to destroy to avoid leaking data 19257 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19258 try { 19259 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19260 19261 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19262 UserManagerService.enforceSerialNumber( 19263 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19264 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19265 UserManagerService.enforceSerialNumber( 19266 Environment.getDataSystemDeDirectory(userId), userSerial); 19267 } 19268 } 19269 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19270 UserManagerService.enforceSerialNumber( 19271 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19272 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19273 UserManagerService.enforceSerialNumber( 19274 Environment.getDataSystemCeDirectory(userId), userSerial); 19275 } 19276 } 19277 19278 synchronized (mInstallLock) { 19279 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19280 } 19281 } catch (Exception e) { 19282 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19283 + " because we failed to prepare: " + e); 19284 destroyUserDataLI(volumeUuid, userId, 19285 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19286 19287 if (allowRecover) { 19288 // Try one last time; if we fail again we're really in trouble 19289 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19290 } 19291 } 19292 } 19293 19294 /** 19295 * Destroy storage areas for given user on all mounted devices. 19296 */ 19297 void destroyUserData(int userId, int flags) { 19298 synchronized (mInstallLock) { 19299 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19300 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19301 final String volumeUuid = vol.getFsUuid(); 19302 destroyUserDataLI(volumeUuid, userId, flags); 19303 } 19304 } 19305 } 19306 19307 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19308 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19309 try { 19310 // Clean up app data, profile data, and media data 19311 mInstaller.destroyUserData(volumeUuid, userId, flags); 19312 19313 // Clean up system data 19314 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19315 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19316 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19317 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19318 } 19319 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19320 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19321 } 19322 } 19323 19324 // Data with special labels is now gone, so finish the job 19325 storage.destroyUserStorage(volumeUuid, userId, flags); 19326 19327 } catch (Exception e) { 19328 logCriticalInfo(Log.WARN, 19329 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19330 } 19331 } 19332 19333 /** 19334 * Examine all users present on given mounted volume, and destroy data 19335 * belonging to users that are no longer valid, or whose user ID has been 19336 * recycled. 19337 */ 19338 private void reconcileUsers(String volumeUuid) { 19339 final List<File> files = new ArrayList<>(); 19340 Collections.addAll(files, FileUtils 19341 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19342 Collections.addAll(files, FileUtils 19343 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19344 Collections.addAll(files, FileUtils 19345 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19346 Collections.addAll(files, FileUtils 19347 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19348 for (File file : files) { 19349 if (!file.isDirectory()) continue; 19350 19351 final int userId; 19352 final UserInfo info; 19353 try { 19354 userId = Integer.parseInt(file.getName()); 19355 info = sUserManager.getUserInfo(userId); 19356 } catch (NumberFormatException e) { 19357 Slog.w(TAG, "Invalid user directory " + file); 19358 continue; 19359 } 19360 19361 boolean destroyUser = false; 19362 if (info == null) { 19363 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19364 + " because no matching user was found"); 19365 destroyUser = true; 19366 } else if (!mOnlyCore) { 19367 try { 19368 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19369 } catch (IOException e) { 19370 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19371 + " because we failed to enforce serial number: " + e); 19372 destroyUser = true; 19373 } 19374 } 19375 19376 if (destroyUser) { 19377 synchronized (mInstallLock) { 19378 destroyUserDataLI(volumeUuid, userId, 19379 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19380 } 19381 } 19382 } 19383 } 19384 19385 private void assertPackageKnown(String volumeUuid, String packageName) 19386 throws PackageManagerException { 19387 synchronized (mPackages) { 19388 final PackageSetting ps = mSettings.mPackages.get(packageName); 19389 if (ps == null) { 19390 throw new PackageManagerException("Package " + packageName + " is unknown"); 19391 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19392 throw new PackageManagerException( 19393 "Package " + packageName + " found on unknown volume " + volumeUuid 19394 + "; expected volume " + ps.volumeUuid); 19395 } 19396 } 19397 } 19398 19399 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19400 throws PackageManagerException { 19401 synchronized (mPackages) { 19402 final PackageSetting ps = mSettings.mPackages.get(packageName); 19403 if (ps == null) { 19404 throw new PackageManagerException("Package " + packageName + " is unknown"); 19405 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19406 throw new PackageManagerException( 19407 "Package " + packageName + " found on unknown volume " + volumeUuid 19408 + "; expected volume " + ps.volumeUuid); 19409 } else if (!ps.getInstalled(userId)) { 19410 throw new PackageManagerException( 19411 "Package " + packageName + " not installed for user " + userId); 19412 } 19413 } 19414 } 19415 19416 /** 19417 * Examine all apps present on given mounted volume, and destroy apps that 19418 * aren't expected, either due to uninstallation or reinstallation on 19419 * another volume. 19420 */ 19421 private void reconcileApps(String volumeUuid) { 19422 final File[] files = FileUtils 19423 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19424 for (File file : files) { 19425 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19426 && !PackageInstallerService.isStageName(file.getName()); 19427 if (!isPackage) { 19428 // Ignore entries which are not packages 19429 continue; 19430 } 19431 19432 try { 19433 final PackageLite pkg = PackageParser.parsePackageLite(file, 19434 PackageParser.PARSE_MUST_BE_APK); 19435 assertPackageKnown(volumeUuid, pkg.packageName); 19436 19437 } catch (PackageParserException | PackageManagerException e) { 19438 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19439 synchronized (mInstallLock) { 19440 removeCodePathLI(file); 19441 } 19442 } 19443 } 19444 } 19445 19446 /** 19447 * Reconcile all app data for the given user. 19448 * <p> 19449 * Verifies that directories exist and that ownership and labeling is 19450 * correct for all installed apps on all mounted volumes. 19451 */ 19452 void reconcileAppsData(int userId, int flags) { 19453 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19454 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19455 final String volumeUuid = vol.getFsUuid(); 19456 synchronized (mInstallLock) { 19457 reconcileAppsDataLI(volumeUuid, userId, flags); 19458 } 19459 } 19460 } 19461 19462 /** 19463 * Reconcile all app data on given mounted volume. 19464 * <p> 19465 * Destroys app data that isn't expected, either due to uninstallation or 19466 * reinstallation on another volume. 19467 * <p> 19468 * Verifies that directories exist and that ownership and labeling is 19469 * correct for all installed apps. 19470 */ 19471 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19472 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19473 + Integer.toHexString(flags)); 19474 19475 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19476 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19477 19478 boolean restoreconNeeded = false; 19479 19480 // First look for stale data that doesn't belong, and check if things 19481 // have changed since we did our last restorecon 19482 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19483 if (StorageManager.isFileEncryptedNativeOrEmulated() 19484 && !StorageManager.isUserKeyUnlocked(userId)) { 19485 throw new RuntimeException( 19486 "Yikes, someone asked us to reconcile CE storage while " + userId 19487 + " was still locked; this would have caused massive data loss!"); 19488 } 19489 19490 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19491 19492 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19493 for (File file : files) { 19494 final String packageName = file.getName(); 19495 try { 19496 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19497 } catch (PackageManagerException e) { 19498 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19499 try { 19500 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19501 StorageManager.FLAG_STORAGE_CE, 0); 19502 } catch (InstallerException e2) { 19503 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19504 } 19505 } 19506 } 19507 } 19508 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19509 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19510 19511 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19512 for (File file : files) { 19513 final String packageName = file.getName(); 19514 try { 19515 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19516 } catch (PackageManagerException e) { 19517 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19518 try { 19519 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19520 StorageManager.FLAG_STORAGE_DE, 0); 19521 } catch (InstallerException e2) { 19522 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19523 } 19524 } 19525 } 19526 } 19527 19528 // Ensure that data directories are ready to roll for all packages 19529 // installed for this volume and user 19530 final List<PackageSetting> packages; 19531 synchronized (mPackages) { 19532 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19533 } 19534 int preparedCount = 0; 19535 for (PackageSetting ps : packages) { 19536 final String packageName = ps.name; 19537 if (ps.pkg == null) { 19538 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19539 // TODO: might be due to legacy ASEC apps; we should circle back 19540 // and reconcile again once they're scanned 19541 continue; 19542 } 19543 19544 if (ps.getInstalled(userId)) { 19545 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19546 19547 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19548 // We may have just shuffled around app data directories, so 19549 // prepare them one more time 19550 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19551 } 19552 19553 preparedCount++; 19554 } 19555 } 19556 19557 if (restoreconNeeded) { 19558 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19559 SELinuxMMAC.setRestoreconDone(ceDir); 19560 } 19561 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19562 SELinuxMMAC.setRestoreconDone(deDir); 19563 } 19564 } 19565 19566 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19567 + " packages; restoreconNeeded was " + restoreconNeeded); 19568 } 19569 19570 /** 19571 * Prepare app data for the given app just after it was installed or 19572 * upgraded. This method carefully only touches users that it's installed 19573 * for, and it forces a restorecon to handle any seinfo changes. 19574 * <p> 19575 * Verifies that directories exist and that ownership and labeling is 19576 * correct for all installed apps. If there is an ownership mismatch, it 19577 * will try recovering system apps by wiping data; third-party app data is 19578 * left intact. 19579 * <p> 19580 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19581 */ 19582 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19583 final PackageSetting ps; 19584 synchronized (mPackages) { 19585 ps = mSettings.mPackages.get(pkg.packageName); 19586 mSettings.writeKernelMappingLPr(ps); 19587 } 19588 19589 final UserManager um = mContext.getSystemService(UserManager.class); 19590 UserManagerInternal umInternal = getUserManagerInternal(); 19591 for (UserInfo user : um.getUsers()) { 19592 final int flags; 19593 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19594 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19595 } else if (umInternal.isUserRunning(user.id)) { 19596 flags = StorageManager.FLAG_STORAGE_DE; 19597 } else { 19598 continue; 19599 } 19600 19601 if (ps.getInstalled(user.id)) { 19602 // Whenever an app changes, force a restorecon of its data 19603 // TODO: when user data is locked, mark that we're still dirty 19604 prepareAppDataLIF(pkg, user.id, flags, true); 19605 } 19606 } 19607 } 19608 19609 /** 19610 * Prepare app data for the given app. 19611 * <p> 19612 * Verifies that directories exist and that ownership and labeling is 19613 * correct for all installed apps. If there is an ownership mismatch, this 19614 * will try recovering system apps by wiping data; third-party app data is 19615 * left intact. 19616 */ 19617 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19618 boolean restoreconNeeded) { 19619 if (pkg == null) { 19620 Slog.wtf(TAG, "Package was null!", new Throwable()); 19621 return; 19622 } 19623 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19624 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19625 for (int i = 0; i < childCount; i++) { 19626 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19627 } 19628 } 19629 19630 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19631 boolean restoreconNeeded) { 19632 if (DEBUG_APP_DATA) { 19633 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19634 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19635 } 19636 19637 final String volumeUuid = pkg.volumeUuid; 19638 final String packageName = pkg.packageName; 19639 final ApplicationInfo app = pkg.applicationInfo; 19640 final int appId = UserHandle.getAppId(app.uid); 19641 19642 Preconditions.checkNotNull(app.seinfo); 19643 19644 try { 19645 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19646 appId, app.seinfo, app.targetSdkVersion); 19647 } catch (InstallerException e) { 19648 if (app.isSystemApp()) { 19649 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19650 + ", but trying to recover: " + e); 19651 destroyAppDataLeafLIF(pkg, userId, flags); 19652 try { 19653 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19654 appId, app.seinfo, app.targetSdkVersion); 19655 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19656 } catch (InstallerException e2) { 19657 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19658 } 19659 } else { 19660 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19661 } 19662 } 19663 19664 if (restoreconNeeded) { 19665 try { 19666 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19667 app.seinfo); 19668 } catch (InstallerException e) { 19669 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19670 } 19671 } 19672 19673 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19674 try { 19675 // CE storage is unlocked right now, so read out the inode and 19676 // remember for use later when it's locked 19677 // TODO: mark this structure as dirty so we persist it! 19678 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19679 StorageManager.FLAG_STORAGE_CE); 19680 synchronized (mPackages) { 19681 final PackageSetting ps = mSettings.mPackages.get(packageName); 19682 if (ps != null) { 19683 ps.setCeDataInode(ceDataInode, userId); 19684 } 19685 } 19686 } catch (InstallerException e) { 19687 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19688 } 19689 } 19690 19691 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19692 } 19693 19694 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19695 if (pkg == null) { 19696 Slog.wtf(TAG, "Package was null!", new Throwable()); 19697 return; 19698 } 19699 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19700 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19701 for (int i = 0; i < childCount; i++) { 19702 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19703 } 19704 } 19705 19706 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19707 final String volumeUuid = pkg.volumeUuid; 19708 final String packageName = pkg.packageName; 19709 final ApplicationInfo app = pkg.applicationInfo; 19710 19711 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19712 // Create a native library symlink only if we have native libraries 19713 // and if the native libraries are 32 bit libraries. We do not provide 19714 // this symlink for 64 bit libraries. 19715 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19716 final String nativeLibPath = app.nativeLibraryDir; 19717 try { 19718 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19719 nativeLibPath, userId); 19720 } catch (InstallerException e) { 19721 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19722 } 19723 } 19724 } 19725 } 19726 19727 /** 19728 * For system apps on non-FBE devices, this method migrates any existing 19729 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19730 * requested by the app. 19731 */ 19732 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19733 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19734 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19735 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19736 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19737 try { 19738 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19739 storageTarget); 19740 } catch (InstallerException e) { 19741 logCriticalInfo(Log.WARN, 19742 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19743 } 19744 return true; 19745 } else { 19746 return false; 19747 } 19748 } 19749 19750 public PackageFreezer freezePackage(String packageName, String killReason) { 19751 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19752 } 19753 19754 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19755 return new PackageFreezer(packageName, userId, killReason); 19756 } 19757 19758 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19759 String killReason) { 19760 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19761 } 19762 19763 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19764 String killReason) { 19765 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19766 return new PackageFreezer(); 19767 } else { 19768 return freezePackage(packageName, userId, killReason); 19769 } 19770 } 19771 19772 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19773 String killReason) { 19774 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19775 } 19776 19777 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19778 String killReason) { 19779 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19780 return new PackageFreezer(); 19781 } else { 19782 return freezePackage(packageName, userId, killReason); 19783 } 19784 } 19785 19786 /** 19787 * Class that freezes and kills the given package upon creation, and 19788 * unfreezes it upon closing. This is typically used when doing surgery on 19789 * app code/data to prevent the app from running while you're working. 19790 */ 19791 private class PackageFreezer implements AutoCloseable { 19792 private final String mPackageName; 19793 private final PackageFreezer[] mChildren; 19794 19795 private final boolean mWeFroze; 19796 19797 private final AtomicBoolean mClosed = new AtomicBoolean(); 19798 private final CloseGuard mCloseGuard = CloseGuard.get(); 19799 19800 /** 19801 * Create and return a stub freezer that doesn't actually do anything, 19802 * typically used when someone requested 19803 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19804 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19805 */ 19806 public PackageFreezer() { 19807 mPackageName = null; 19808 mChildren = null; 19809 mWeFroze = false; 19810 mCloseGuard.open("close"); 19811 } 19812 19813 public PackageFreezer(String packageName, int userId, String killReason) { 19814 synchronized (mPackages) { 19815 mPackageName = packageName; 19816 mWeFroze = mFrozenPackages.add(mPackageName); 19817 19818 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19819 if (ps != null) { 19820 killApplication(ps.name, ps.appId, userId, killReason); 19821 } 19822 19823 final PackageParser.Package p = mPackages.get(packageName); 19824 if (p != null && p.childPackages != null) { 19825 final int N = p.childPackages.size(); 19826 mChildren = new PackageFreezer[N]; 19827 for (int i = 0; i < N; i++) { 19828 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19829 userId, killReason); 19830 } 19831 } else { 19832 mChildren = null; 19833 } 19834 } 19835 mCloseGuard.open("close"); 19836 } 19837 19838 @Override 19839 protected void finalize() throws Throwable { 19840 try { 19841 mCloseGuard.warnIfOpen(); 19842 close(); 19843 } finally { 19844 super.finalize(); 19845 } 19846 } 19847 19848 @Override 19849 public void close() { 19850 mCloseGuard.close(); 19851 if (mClosed.compareAndSet(false, true)) { 19852 synchronized (mPackages) { 19853 if (mWeFroze) { 19854 mFrozenPackages.remove(mPackageName); 19855 } 19856 19857 if (mChildren != null) { 19858 for (PackageFreezer freezer : mChildren) { 19859 freezer.close(); 19860 } 19861 } 19862 } 19863 } 19864 } 19865 } 19866 19867 /** 19868 * Verify that given package is currently frozen. 19869 */ 19870 private void checkPackageFrozen(String packageName) { 19871 synchronized (mPackages) { 19872 if (!mFrozenPackages.contains(packageName)) { 19873 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19874 } 19875 } 19876 } 19877 19878 @Override 19879 public int movePackage(final String packageName, final String volumeUuid) { 19880 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19881 19882 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19883 final int moveId = mNextMoveId.getAndIncrement(); 19884 mHandler.post(new Runnable() { 19885 @Override 19886 public void run() { 19887 try { 19888 movePackageInternal(packageName, volumeUuid, moveId, user); 19889 } catch (PackageManagerException e) { 19890 Slog.w(TAG, "Failed to move " + packageName, e); 19891 mMoveCallbacks.notifyStatusChanged(moveId, 19892 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19893 } 19894 } 19895 }); 19896 return moveId; 19897 } 19898 19899 private void movePackageInternal(final String packageName, final String volumeUuid, 19900 final int moveId, UserHandle user) throws PackageManagerException { 19901 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19902 final PackageManager pm = mContext.getPackageManager(); 19903 19904 final boolean currentAsec; 19905 final String currentVolumeUuid; 19906 final File codeFile; 19907 final String installerPackageName; 19908 final String packageAbiOverride; 19909 final int appId; 19910 final String seinfo; 19911 final String label; 19912 final int targetSdkVersion; 19913 final PackageFreezer freezer; 19914 final int[] installedUserIds; 19915 19916 // reader 19917 synchronized (mPackages) { 19918 final PackageParser.Package pkg = mPackages.get(packageName); 19919 final PackageSetting ps = mSettings.mPackages.get(packageName); 19920 if (pkg == null || ps == null) { 19921 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19922 } 19923 19924 if (pkg.applicationInfo.isSystemApp()) { 19925 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19926 "Cannot move system application"); 19927 } 19928 19929 if (pkg.applicationInfo.isExternalAsec()) { 19930 currentAsec = true; 19931 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19932 } else if (pkg.applicationInfo.isForwardLocked()) { 19933 currentAsec = true; 19934 currentVolumeUuid = "forward_locked"; 19935 } else { 19936 currentAsec = false; 19937 currentVolumeUuid = ps.volumeUuid; 19938 19939 final File probe = new File(pkg.codePath); 19940 final File probeOat = new File(probe, "oat"); 19941 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19942 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19943 "Move only supported for modern cluster style installs"); 19944 } 19945 } 19946 19947 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19948 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19949 "Package already moved to " + volumeUuid); 19950 } 19951 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19952 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19953 "Device admin cannot be moved"); 19954 } 19955 19956 if (mFrozenPackages.contains(packageName)) { 19957 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19958 "Failed to move already frozen package"); 19959 } 19960 19961 codeFile = new File(pkg.codePath); 19962 installerPackageName = ps.installerPackageName; 19963 packageAbiOverride = ps.cpuAbiOverrideString; 19964 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19965 seinfo = pkg.applicationInfo.seinfo; 19966 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19967 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19968 freezer = freezePackage(packageName, "movePackageInternal"); 19969 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 19970 } 19971 19972 final Bundle extras = new Bundle(); 19973 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19974 extras.putString(Intent.EXTRA_TITLE, label); 19975 mMoveCallbacks.notifyCreated(moveId, extras); 19976 19977 int installFlags; 19978 final boolean moveCompleteApp; 19979 final File measurePath; 19980 19981 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19982 installFlags = INSTALL_INTERNAL; 19983 moveCompleteApp = !currentAsec; 19984 measurePath = Environment.getDataAppDirectory(volumeUuid); 19985 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19986 installFlags = INSTALL_EXTERNAL; 19987 moveCompleteApp = false; 19988 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19989 } else { 19990 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19991 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19992 || !volume.isMountedWritable()) { 19993 freezer.close(); 19994 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19995 "Move location not mounted private volume"); 19996 } 19997 19998 Preconditions.checkState(!currentAsec); 19999 20000 installFlags = INSTALL_INTERNAL; 20001 moveCompleteApp = true; 20002 measurePath = Environment.getDataAppDirectory(volumeUuid); 20003 } 20004 20005 final PackageStats stats = new PackageStats(null, -1); 20006 synchronized (mInstaller) { 20007 for (int userId : installedUserIds) { 20008 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20009 freezer.close(); 20010 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20011 "Failed to measure package size"); 20012 } 20013 } 20014 } 20015 20016 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20017 + stats.dataSize); 20018 20019 final long startFreeBytes = measurePath.getFreeSpace(); 20020 final long sizeBytes; 20021 if (moveCompleteApp) { 20022 sizeBytes = stats.codeSize + stats.dataSize; 20023 } else { 20024 sizeBytes = stats.codeSize; 20025 } 20026 20027 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20028 freezer.close(); 20029 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20030 "Not enough free space to move"); 20031 } 20032 20033 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20034 20035 final CountDownLatch installedLatch = new CountDownLatch(1); 20036 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20037 @Override 20038 public void onUserActionRequired(Intent intent) throws RemoteException { 20039 throw new IllegalStateException(); 20040 } 20041 20042 @Override 20043 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20044 Bundle extras) throws RemoteException { 20045 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20046 + PackageManager.installStatusToString(returnCode, msg)); 20047 20048 installedLatch.countDown(); 20049 freezer.close(); 20050 20051 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20052 switch (status) { 20053 case PackageInstaller.STATUS_SUCCESS: 20054 mMoveCallbacks.notifyStatusChanged(moveId, 20055 PackageManager.MOVE_SUCCEEDED); 20056 break; 20057 case PackageInstaller.STATUS_FAILURE_STORAGE: 20058 mMoveCallbacks.notifyStatusChanged(moveId, 20059 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20060 break; 20061 default: 20062 mMoveCallbacks.notifyStatusChanged(moveId, 20063 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20064 break; 20065 } 20066 } 20067 }; 20068 20069 final MoveInfo move; 20070 if (moveCompleteApp) { 20071 // Kick off a thread to report progress estimates 20072 new Thread() { 20073 @Override 20074 public void run() { 20075 while (true) { 20076 try { 20077 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20078 break; 20079 } 20080 } catch (InterruptedException ignored) { 20081 } 20082 20083 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20084 final int progress = 10 + (int) MathUtils.constrain( 20085 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20086 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20087 } 20088 } 20089 }.start(); 20090 20091 final String dataAppName = codeFile.getName(); 20092 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20093 dataAppName, appId, seinfo, targetSdkVersion); 20094 } else { 20095 move = null; 20096 } 20097 20098 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20099 20100 final Message msg = mHandler.obtainMessage(INIT_COPY); 20101 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20102 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20103 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20104 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20105 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20106 msg.obj = params; 20107 20108 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20109 System.identityHashCode(msg.obj)); 20110 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20111 System.identityHashCode(msg.obj)); 20112 20113 mHandler.sendMessage(msg); 20114 } 20115 20116 @Override 20117 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20118 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20119 20120 final int realMoveId = mNextMoveId.getAndIncrement(); 20121 final Bundle extras = new Bundle(); 20122 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20123 mMoveCallbacks.notifyCreated(realMoveId, extras); 20124 20125 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20126 @Override 20127 public void onCreated(int moveId, Bundle extras) { 20128 // Ignored 20129 } 20130 20131 @Override 20132 public void onStatusChanged(int moveId, int status, long estMillis) { 20133 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20134 } 20135 }; 20136 20137 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20138 storage.setPrimaryStorageUuid(volumeUuid, callback); 20139 return realMoveId; 20140 } 20141 20142 @Override 20143 public int getMoveStatus(int moveId) { 20144 mContext.enforceCallingOrSelfPermission( 20145 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20146 return mMoveCallbacks.mLastStatus.get(moveId); 20147 } 20148 20149 @Override 20150 public void registerMoveCallback(IPackageMoveObserver callback) { 20151 mContext.enforceCallingOrSelfPermission( 20152 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20153 mMoveCallbacks.register(callback); 20154 } 20155 20156 @Override 20157 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20158 mContext.enforceCallingOrSelfPermission( 20159 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20160 mMoveCallbacks.unregister(callback); 20161 } 20162 20163 @Override 20164 public boolean setInstallLocation(int loc) { 20165 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20166 null); 20167 if (getInstallLocation() == loc) { 20168 return true; 20169 } 20170 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20171 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20172 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20173 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20174 return true; 20175 } 20176 return false; 20177 } 20178 20179 @Override 20180 public int getInstallLocation() { 20181 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20182 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20183 PackageHelper.APP_INSTALL_AUTO); 20184 } 20185 20186 /** Called by UserManagerService */ 20187 void cleanUpUser(UserManagerService userManager, int userHandle) { 20188 synchronized (mPackages) { 20189 mDirtyUsers.remove(userHandle); 20190 mUserNeedsBadging.delete(userHandle); 20191 mSettings.removeUserLPw(userHandle); 20192 mPendingBroadcasts.remove(userHandle); 20193 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20194 removeUnusedPackagesLPw(userManager, userHandle); 20195 } 20196 } 20197 20198 /** 20199 * We're removing userHandle and would like to remove any downloaded packages 20200 * that are no longer in use by any other user. 20201 * @param userHandle the user being removed 20202 */ 20203 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20204 final boolean DEBUG_CLEAN_APKS = false; 20205 int [] users = userManager.getUserIds(); 20206 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20207 while (psit.hasNext()) { 20208 PackageSetting ps = psit.next(); 20209 if (ps.pkg == null) { 20210 continue; 20211 } 20212 final String packageName = ps.pkg.packageName; 20213 // Skip over if system app 20214 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20215 continue; 20216 } 20217 if (DEBUG_CLEAN_APKS) { 20218 Slog.i(TAG, "Checking package " + packageName); 20219 } 20220 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20221 if (keep) { 20222 if (DEBUG_CLEAN_APKS) { 20223 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20224 } 20225 } else { 20226 for (int i = 0; i < users.length; i++) { 20227 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20228 keep = true; 20229 if (DEBUG_CLEAN_APKS) { 20230 Slog.i(TAG, " Keeping package " + packageName + " for user " 20231 + users[i]); 20232 } 20233 break; 20234 } 20235 } 20236 } 20237 if (!keep) { 20238 if (DEBUG_CLEAN_APKS) { 20239 Slog.i(TAG, " Removing package " + packageName); 20240 } 20241 mHandler.post(new Runnable() { 20242 public void run() { 20243 deletePackageX(packageName, userHandle, 0); 20244 } //end run 20245 }); 20246 } 20247 } 20248 } 20249 20250 /** Called by UserManagerService */ 20251 void createNewUser(int userId) { 20252 synchronized (mInstallLock) { 20253 mSettings.createNewUserLI(this, mInstaller, userId); 20254 } 20255 synchronized (mPackages) { 20256 scheduleWritePackageRestrictionsLocked(userId); 20257 scheduleWritePackageListLocked(userId); 20258 applyFactoryDefaultBrowserLPw(userId); 20259 primeDomainVerificationsLPw(userId); 20260 } 20261 } 20262 20263 void onBeforeUserStartUninitialized(final int userId) { 20264 synchronized (mPackages) { 20265 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20266 return; 20267 } 20268 } 20269 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20270 // If permission review for legacy apps is required, we represent 20271 // dagerous permissions for such apps as always granted runtime 20272 // permissions to keep per user flag state whether review is needed. 20273 // Hence, if a new user is added we have to propagate dangerous 20274 // permission grants for these legacy apps. 20275 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20276 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20277 | UPDATE_PERMISSIONS_REPLACE_ALL); 20278 } 20279 } 20280 20281 @Override 20282 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20283 mContext.enforceCallingOrSelfPermission( 20284 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20285 "Only package verification agents can read the verifier device identity"); 20286 20287 synchronized (mPackages) { 20288 return mSettings.getVerifierDeviceIdentityLPw(); 20289 } 20290 } 20291 20292 @Override 20293 public void setPermissionEnforced(String permission, boolean enforced) { 20294 // TODO: Now that we no longer change GID for storage, this should to away. 20295 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20296 "setPermissionEnforced"); 20297 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20298 synchronized (mPackages) { 20299 if (mSettings.mReadExternalStorageEnforced == null 20300 || mSettings.mReadExternalStorageEnforced != enforced) { 20301 mSettings.mReadExternalStorageEnforced = enforced; 20302 mSettings.writeLPr(); 20303 } 20304 } 20305 // kill any non-foreground processes so we restart them and 20306 // grant/revoke the GID. 20307 final IActivityManager am = ActivityManagerNative.getDefault(); 20308 if (am != null) { 20309 final long token = Binder.clearCallingIdentity(); 20310 try { 20311 am.killProcessesBelowForeground("setPermissionEnforcement"); 20312 } catch (RemoteException e) { 20313 } finally { 20314 Binder.restoreCallingIdentity(token); 20315 } 20316 } 20317 } else { 20318 throw new IllegalArgumentException("No selective enforcement for " + permission); 20319 } 20320 } 20321 20322 @Override 20323 @Deprecated 20324 public boolean isPermissionEnforced(String permission) { 20325 return true; 20326 } 20327 20328 @Override 20329 public boolean isStorageLow() { 20330 final long token = Binder.clearCallingIdentity(); 20331 try { 20332 final DeviceStorageMonitorInternal 20333 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20334 if (dsm != null) { 20335 return dsm.isMemoryLow(); 20336 } else { 20337 return false; 20338 } 20339 } finally { 20340 Binder.restoreCallingIdentity(token); 20341 } 20342 } 20343 20344 @Override 20345 public IPackageInstaller getPackageInstaller() { 20346 return mInstallerService; 20347 } 20348 20349 private boolean userNeedsBadging(int userId) { 20350 int index = mUserNeedsBadging.indexOfKey(userId); 20351 if (index < 0) { 20352 final UserInfo userInfo; 20353 final long token = Binder.clearCallingIdentity(); 20354 try { 20355 userInfo = sUserManager.getUserInfo(userId); 20356 } finally { 20357 Binder.restoreCallingIdentity(token); 20358 } 20359 final boolean b; 20360 if (userInfo != null && userInfo.isManagedProfile()) { 20361 b = true; 20362 } else { 20363 b = false; 20364 } 20365 mUserNeedsBadging.put(userId, b); 20366 return b; 20367 } 20368 return mUserNeedsBadging.valueAt(index); 20369 } 20370 20371 @Override 20372 public KeySet getKeySetByAlias(String packageName, String alias) { 20373 if (packageName == null || alias == null) { 20374 return null; 20375 } 20376 synchronized(mPackages) { 20377 final PackageParser.Package pkg = mPackages.get(packageName); 20378 if (pkg == null) { 20379 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20380 throw new IllegalArgumentException("Unknown package: " + packageName); 20381 } 20382 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20383 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20384 } 20385 } 20386 20387 @Override 20388 public KeySet getSigningKeySet(String packageName) { 20389 if (packageName == null) { 20390 return null; 20391 } 20392 synchronized(mPackages) { 20393 final PackageParser.Package pkg = mPackages.get(packageName); 20394 if (pkg == null) { 20395 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20396 throw new IllegalArgumentException("Unknown package: " + packageName); 20397 } 20398 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20399 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20400 throw new SecurityException("May not access signing KeySet of other apps."); 20401 } 20402 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20403 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20404 } 20405 } 20406 20407 @Override 20408 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20409 if (packageName == null || ks == null) { 20410 return false; 20411 } 20412 synchronized(mPackages) { 20413 final PackageParser.Package pkg = mPackages.get(packageName); 20414 if (pkg == null) { 20415 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20416 throw new IllegalArgumentException("Unknown package: " + packageName); 20417 } 20418 IBinder ksh = ks.getToken(); 20419 if (ksh instanceof KeySetHandle) { 20420 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20421 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20422 } 20423 return false; 20424 } 20425 } 20426 20427 @Override 20428 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20429 if (packageName == null || ks == null) { 20430 return false; 20431 } 20432 synchronized(mPackages) { 20433 final PackageParser.Package pkg = mPackages.get(packageName); 20434 if (pkg == null) { 20435 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20436 throw new IllegalArgumentException("Unknown package: " + packageName); 20437 } 20438 IBinder ksh = ks.getToken(); 20439 if (ksh instanceof KeySetHandle) { 20440 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20441 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20442 } 20443 return false; 20444 } 20445 } 20446 20447 private void deletePackageIfUnusedLPr(final String packageName) { 20448 PackageSetting ps = mSettings.mPackages.get(packageName); 20449 if (ps == null) { 20450 return; 20451 } 20452 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20453 // TODO Implement atomic delete if package is unused 20454 // It is currently possible that the package will be deleted even if it is installed 20455 // after this method returns. 20456 mHandler.post(new Runnable() { 20457 public void run() { 20458 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20459 } 20460 }); 20461 } 20462 } 20463 20464 /** 20465 * Check and throw if the given before/after packages would be considered a 20466 * downgrade. 20467 */ 20468 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20469 throws PackageManagerException { 20470 if (after.versionCode < before.mVersionCode) { 20471 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20472 "Update version code " + after.versionCode + " is older than current " 20473 + before.mVersionCode); 20474 } else if (after.versionCode == before.mVersionCode) { 20475 if (after.baseRevisionCode < before.baseRevisionCode) { 20476 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20477 "Update base revision code " + after.baseRevisionCode 20478 + " is older than current " + before.baseRevisionCode); 20479 } 20480 20481 if (!ArrayUtils.isEmpty(after.splitNames)) { 20482 for (int i = 0; i < after.splitNames.length; i++) { 20483 final String splitName = after.splitNames[i]; 20484 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20485 if (j != -1) { 20486 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20487 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20488 "Update split " + splitName + " revision code " 20489 + after.splitRevisionCodes[i] + " is older than current " 20490 + before.splitRevisionCodes[j]); 20491 } 20492 } 20493 } 20494 } 20495 } 20496 } 20497 20498 private static class MoveCallbacks extends Handler { 20499 private static final int MSG_CREATED = 1; 20500 private static final int MSG_STATUS_CHANGED = 2; 20501 20502 private final RemoteCallbackList<IPackageMoveObserver> 20503 mCallbacks = new RemoteCallbackList<>(); 20504 20505 private final SparseIntArray mLastStatus = new SparseIntArray(); 20506 20507 public MoveCallbacks(Looper looper) { 20508 super(looper); 20509 } 20510 20511 public void register(IPackageMoveObserver callback) { 20512 mCallbacks.register(callback); 20513 } 20514 20515 public void unregister(IPackageMoveObserver callback) { 20516 mCallbacks.unregister(callback); 20517 } 20518 20519 @Override 20520 public void handleMessage(Message msg) { 20521 final SomeArgs args = (SomeArgs) msg.obj; 20522 final int n = mCallbacks.beginBroadcast(); 20523 for (int i = 0; i < n; i++) { 20524 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20525 try { 20526 invokeCallback(callback, msg.what, args); 20527 } catch (RemoteException ignored) { 20528 } 20529 } 20530 mCallbacks.finishBroadcast(); 20531 args.recycle(); 20532 } 20533 20534 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20535 throws RemoteException { 20536 switch (what) { 20537 case MSG_CREATED: { 20538 callback.onCreated(args.argi1, (Bundle) args.arg2); 20539 break; 20540 } 20541 case MSG_STATUS_CHANGED: { 20542 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20543 break; 20544 } 20545 } 20546 } 20547 20548 private void notifyCreated(int moveId, Bundle extras) { 20549 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20550 20551 final SomeArgs args = SomeArgs.obtain(); 20552 args.argi1 = moveId; 20553 args.arg2 = extras; 20554 obtainMessage(MSG_CREATED, args).sendToTarget(); 20555 } 20556 20557 private void notifyStatusChanged(int moveId, int status) { 20558 notifyStatusChanged(moveId, status, -1); 20559 } 20560 20561 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20562 Slog.v(TAG, "Move " + moveId + " status " + status); 20563 20564 final SomeArgs args = SomeArgs.obtain(); 20565 args.argi1 = moveId; 20566 args.argi2 = status; 20567 args.arg3 = estMillis; 20568 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20569 20570 synchronized (mLastStatus) { 20571 mLastStatus.put(moveId, status); 20572 } 20573 } 20574 } 20575 20576 private final static class OnPermissionChangeListeners extends Handler { 20577 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20578 20579 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20580 new RemoteCallbackList<>(); 20581 20582 public OnPermissionChangeListeners(Looper looper) { 20583 super(looper); 20584 } 20585 20586 @Override 20587 public void handleMessage(Message msg) { 20588 switch (msg.what) { 20589 case MSG_ON_PERMISSIONS_CHANGED: { 20590 final int uid = msg.arg1; 20591 handleOnPermissionsChanged(uid); 20592 } break; 20593 } 20594 } 20595 20596 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20597 mPermissionListeners.register(listener); 20598 20599 } 20600 20601 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20602 mPermissionListeners.unregister(listener); 20603 } 20604 20605 public void onPermissionsChanged(int uid) { 20606 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20607 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20608 } 20609 } 20610 20611 private void handleOnPermissionsChanged(int uid) { 20612 final int count = mPermissionListeners.beginBroadcast(); 20613 try { 20614 for (int i = 0; i < count; i++) { 20615 IOnPermissionsChangeListener callback = mPermissionListeners 20616 .getBroadcastItem(i); 20617 try { 20618 callback.onPermissionsChanged(uid); 20619 } catch (RemoteException e) { 20620 Log.e(TAG, "Permission listener is dead", e); 20621 } 20622 } 20623 } finally { 20624 mPermissionListeners.finishBroadcast(); 20625 } 20626 } 20627 } 20628 20629 private class PackageManagerInternalImpl extends PackageManagerInternal { 20630 @Override 20631 public void setLocationPackagesProvider(PackagesProvider provider) { 20632 synchronized (mPackages) { 20633 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20634 } 20635 } 20636 20637 @Override 20638 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20639 synchronized (mPackages) { 20640 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20641 } 20642 } 20643 20644 @Override 20645 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20646 synchronized (mPackages) { 20647 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20648 } 20649 } 20650 20651 @Override 20652 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20653 synchronized (mPackages) { 20654 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20655 } 20656 } 20657 20658 @Override 20659 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20660 synchronized (mPackages) { 20661 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20662 } 20663 } 20664 20665 @Override 20666 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20667 synchronized (mPackages) { 20668 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20669 } 20670 } 20671 20672 @Override 20673 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20674 synchronized (mPackages) { 20675 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20676 packageName, userId); 20677 } 20678 } 20679 20680 @Override 20681 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20682 synchronized (mPackages) { 20683 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20684 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20685 packageName, userId); 20686 } 20687 } 20688 20689 @Override 20690 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20691 synchronized (mPackages) { 20692 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20693 packageName, userId); 20694 } 20695 } 20696 20697 @Override 20698 public void setKeepUninstalledPackages(final List<String> packageList) { 20699 Preconditions.checkNotNull(packageList); 20700 List<String> removedFromList = null; 20701 synchronized (mPackages) { 20702 if (mKeepUninstalledPackages != null) { 20703 final int packagesCount = mKeepUninstalledPackages.size(); 20704 for (int i = 0; i < packagesCount; i++) { 20705 String oldPackage = mKeepUninstalledPackages.get(i); 20706 if (packageList != null && packageList.contains(oldPackage)) { 20707 continue; 20708 } 20709 if (removedFromList == null) { 20710 removedFromList = new ArrayList<>(); 20711 } 20712 removedFromList.add(oldPackage); 20713 } 20714 } 20715 mKeepUninstalledPackages = new ArrayList<>(packageList); 20716 if (removedFromList != null) { 20717 final int removedCount = removedFromList.size(); 20718 for (int i = 0; i < removedCount; i++) { 20719 deletePackageIfUnusedLPr(removedFromList.get(i)); 20720 } 20721 } 20722 } 20723 } 20724 20725 @Override 20726 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20727 synchronized (mPackages) { 20728 // If we do not support permission review, done. 20729 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20730 return false; 20731 } 20732 20733 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20734 if (packageSetting == null) { 20735 return false; 20736 } 20737 20738 // Permission review applies only to apps not supporting the new permission model. 20739 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20740 return false; 20741 } 20742 20743 // Legacy apps have the permission and get user consent on launch. 20744 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20745 return permissionsState.isPermissionReviewRequired(userId); 20746 } 20747 } 20748 20749 @Override 20750 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20751 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20752 } 20753 20754 @Override 20755 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20756 int userId) { 20757 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20758 } 20759 20760 @Override 20761 public void setDeviceAndProfileOwnerPackages( 20762 int deviceOwnerUserId, String deviceOwnerPackage, 20763 SparseArray<String> profileOwnerPackages) { 20764 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20765 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20766 } 20767 20768 @Override 20769 public boolean canPackageBeWiped(int userId, String packageName) { 20770 return mProtectedPackages.canPackageBeWiped(userId, 20771 packageName); 20772 } 20773 } 20774 20775 @Override 20776 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20777 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20778 synchronized (mPackages) { 20779 final long identity = Binder.clearCallingIdentity(); 20780 try { 20781 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20782 packageNames, userId); 20783 } finally { 20784 Binder.restoreCallingIdentity(identity); 20785 } 20786 } 20787 } 20788 20789 private static void enforceSystemOrPhoneCaller(String tag) { 20790 int callingUid = Binder.getCallingUid(); 20791 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20792 throw new SecurityException( 20793 "Cannot call " + tag + " from UID " + callingUid); 20794 } 20795 } 20796 20797 boolean isHistoricalPackageUsageAvailable() { 20798 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20799 } 20800 20801 /** 20802 * Return a <b>copy</b> of the collection of packages known to the package manager. 20803 * @return A copy of the values of mPackages. 20804 */ 20805 Collection<PackageParser.Package> getPackages() { 20806 synchronized (mPackages) { 20807 return new ArrayList<>(mPackages.values()); 20808 } 20809 } 20810 20811 /** 20812 * Logs process start information (including base APK hash) to the security log. 20813 * @hide 20814 */ 20815 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20816 String apkFile, int pid) { 20817 if (!SecurityLog.isLoggingEnabled()) { 20818 return; 20819 } 20820 Bundle data = new Bundle(); 20821 data.putLong("startTimestamp", System.currentTimeMillis()); 20822 data.putString("processName", processName); 20823 data.putInt("uid", uid); 20824 data.putString("seinfo", seinfo); 20825 data.putString("apkFile", apkFile); 20826 data.putInt("pid", pid); 20827 Message msg = mProcessLoggingHandler.obtainMessage( 20828 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20829 msg.setData(data); 20830 mProcessLoggingHandler.sendMessage(msg); 20831 } 20832 20833 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 20834 return mCompilerStats.getPackageStats(pkgName); 20835 } 20836 20837 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 20838 return getOrCreateCompilerPackageStats(pkg.packageName); 20839 } 20840 20841 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 20842 return mCompilerStats.getOrCreatePackageStats(pkgName); 20843 } 20844 20845 public void deleteCompilerPackageStats(String pkgName) { 20846 mCompilerStats.deletePackageStats(pkgName); 20847 } 20848} 20849