PackageManagerService.java revision f9e2ad0b3c2efb3bd93bb8b4ce2580512563005a
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 final boolean mPermissionReviewRequired; 1123 1124 private final PackageUsage mPackageUsage = new PackageUsage(); 1125 private final CompilerStats mCompilerStats = new CompilerStats(); 1126 1127 class PackageHandler extends Handler { 1128 private boolean mBound = false; 1129 final ArrayList<HandlerParams> mPendingInstalls = 1130 new ArrayList<HandlerParams>(); 1131 1132 private boolean connectToService() { 1133 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1134 " DefaultContainerService"); 1135 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1137 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1138 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1140 mBound = true; 1141 return true; 1142 } 1143 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1144 return false; 1145 } 1146 1147 private void disconnectService() { 1148 mContainerService = null; 1149 mBound = false; 1150 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1151 mContext.unbindService(mDefContainerConn); 1152 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1153 } 1154 1155 PackageHandler(Looper looper) { 1156 super(looper); 1157 } 1158 1159 public void handleMessage(Message msg) { 1160 try { 1161 doHandleMessage(msg); 1162 } finally { 1163 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1164 } 1165 } 1166 1167 void doHandleMessage(Message msg) { 1168 switch (msg.what) { 1169 case INIT_COPY: { 1170 HandlerParams params = (HandlerParams) msg.obj; 1171 int idx = mPendingInstalls.size(); 1172 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1173 // If a bind was already initiated we dont really 1174 // need to do anything. The pending install 1175 // will be processed later on. 1176 if (!mBound) { 1177 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1178 System.identityHashCode(mHandler)); 1179 // If this is the only one pending we might 1180 // have to bind to the service again. 1181 if (!connectToService()) { 1182 Slog.e(TAG, "Failed to bind to media container service"); 1183 params.serviceError(); 1184 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1185 System.identityHashCode(mHandler)); 1186 if (params.traceMethod != null) { 1187 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1188 params.traceCookie); 1189 } 1190 return; 1191 } else { 1192 // Once we bind to the service, the first 1193 // pending request will be processed. 1194 mPendingInstalls.add(idx, params); 1195 } 1196 } else { 1197 mPendingInstalls.add(idx, params); 1198 // Already bound to the service. Just make 1199 // sure we trigger off processing the first request. 1200 if (idx == 0) { 1201 mHandler.sendEmptyMessage(MCS_BOUND); 1202 } 1203 } 1204 break; 1205 } 1206 case MCS_BOUND: { 1207 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1208 if (msg.obj != null) { 1209 mContainerService = (IMediaContainerService) msg.obj; 1210 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1211 System.identityHashCode(mHandler)); 1212 } 1213 if (mContainerService == null) { 1214 if (!mBound) { 1215 // Something seriously wrong since we are not bound and we are not 1216 // waiting for connection. Bail out. 1217 Slog.e(TAG, "Cannot bind to media container service"); 1218 for (HandlerParams params : mPendingInstalls) { 1219 // Indicate service bind error 1220 params.serviceError(); 1221 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1222 System.identityHashCode(params)); 1223 if (params.traceMethod != null) { 1224 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1225 params.traceMethod, params.traceCookie); 1226 } 1227 return; 1228 } 1229 mPendingInstalls.clear(); 1230 } else { 1231 Slog.w(TAG, "Waiting to connect to media container service"); 1232 } 1233 } else if (mPendingInstalls.size() > 0) { 1234 HandlerParams params = mPendingInstalls.get(0); 1235 if (params != null) { 1236 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1237 System.identityHashCode(params)); 1238 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1239 if (params.startCopy()) { 1240 // We are done... look for more work or to 1241 // go idle. 1242 if (DEBUG_SD_INSTALL) Log.i(TAG, 1243 "Checking for more work or unbind..."); 1244 // Delete pending install 1245 if (mPendingInstalls.size() > 0) { 1246 mPendingInstalls.remove(0); 1247 } 1248 if (mPendingInstalls.size() == 0) { 1249 if (mBound) { 1250 if (DEBUG_SD_INSTALL) Log.i(TAG, 1251 "Posting delayed MCS_UNBIND"); 1252 removeMessages(MCS_UNBIND); 1253 Message ubmsg = obtainMessage(MCS_UNBIND); 1254 // Unbind after a little delay, to avoid 1255 // continual thrashing. 1256 sendMessageDelayed(ubmsg, 10000); 1257 } 1258 } else { 1259 // There are more pending requests in queue. 1260 // Just post MCS_BOUND message to trigger processing 1261 // of next pending install. 1262 if (DEBUG_SD_INSTALL) Log.i(TAG, 1263 "Posting MCS_BOUND for next work"); 1264 mHandler.sendEmptyMessage(MCS_BOUND); 1265 } 1266 } 1267 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1268 } 1269 } else { 1270 // Should never happen ideally. 1271 Slog.w(TAG, "Empty queue"); 1272 } 1273 break; 1274 } 1275 case MCS_RECONNECT: { 1276 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1277 if (mPendingInstalls.size() > 0) { 1278 if (mBound) { 1279 disconnectService(); 1280 } 1281 if (!connectToService()) { 1282 Slog.e(TAG, "Failed to bind to media container service"); 1283 for (HandlerParams params : mPendingInstalls) { 1284 // Indicate service bind error 1285 params.serviceError(); 1286 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1287 System.identityHashCode(params)); 1288 } 1289 mPendingInstalls.clear(); 1290 } 1291 } 1292 break; 1293 } 1294 case MCS_UNBIND: { 1295 // If there is no actual work left, then time to unbind. 1296 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1297 1298 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1299 if (mBound) { 1300 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1301 1302 disconnectService(); 1303 } 1304 } else if (mPendingInstalls.size() > 0) { 1305 // There are more pending requests in queue. 1306 // Just post MCS_BOUND message to trigger processing 1307 // of next pending install. 1308 mHandler.sendEmptyMessage(MCS_BOUND); 1309 } 1310 1311 break; 1312 } 1313 case MCS_GIVE_UP: { 1314 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1315 HandlerParams params = mPendingInstalls.remove(0); 1316 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1317 System.identityHashCode(params)); 1318 break; 1319 } 1320 case SEND_PENDING_BROADCAST: { 1321 String packages[]; 1322 ArrayList<String> components[]; 1323 int size = 0; 1324 int uids[]; 1325 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1326 synchronized (mPackages) { 1327 if (mPendingBroadcasts == null) { 1328 return; 1329 } 1330 size = mPendingBroadcasts.size(); 1331 if (size <= 0) { 1332 // Nothing to be done. Just return 1333 return; 1334 } 1335 packages = new String[size]; 1336 components = new ArrayList[size]; 1337 uids = new int[size]; 1338 int i = 0; // filling out the above arrays 1339 1340 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1341 int packageUserId = mPendingBroadcasts.userIdAt(n); 1342 Iterator<Map.Entry<String, ArrayList<String>>> it 1343 = mPendingBroadcasts.packagesForUserId(packageUserId) 1344 .entrySet().iterator(); 1345 while (it.hasNext() && i < size) { 1346 Map.Entry<String, ArrayList<String>> ent = it.next(); 1347 packages[i] = ent.getKey(); 1348 components[i] = ent.getValue(); 1349 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1350 uids[i] = (ps != null) 1351 ? UserHandle.getUid(packageUserId, ps.appId) 1352 : -1; 1353 i++; 1354 } 1355 } 1356 size = i; 1357 mPendingBroadcasts.clear(); 1358 } 1359 // Send broadcasts 1360 for (int i = 0; i < size; i++) { 1361 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1362 } 1363 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1364 break; 1365 } 1366 case START_CLEANING_PACKAGE: { 1367 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1368 final String packageName = (String)msg.obj; 1369 final int userId = msg.arg1; 1370 final boolean andCode = msg.arg2 != 0; 1371 synchronized (mPackages) { 1372 if (userId == UserHandle.USER_ALL) { 1373 int[] users = sUserManager.getUserIds(); 1374 for (int user : users) { 1375 mSettings.addPackageToCleanLPw( 1376 new PackageCleanItem(user, packageName, andCode)); 1377 } 1378 } else { 1379 mSettings.addPackageToCleanLPw( 1380 new PackageCleanItem(userId, packageName, andCode)); 1381 } 1382 } 1383 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1384 startCleaningPackages(); 1385 } break; 1386 case POST_INSTALL: { 1387 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1388 1389 PostInstallData data = mRunningInstalls.get(msg.arg1); 1390 final boolean didRestore = (msg.arg2 != 0); 1391 mRunningInstalls.delete(msg.arg1); 1392 1393 if (data != null) { 1394 InstallArgs args = data.args; 1395 PackageInstalledInfo parentRes = data.res; 1396 1397 final boolean grantPermissions = (args.installFlags 1398 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1399 final boolean killApp = (args.installFlags 1400 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1401 final String[] grantedPermissions = args.installGrantPermissions; 1402 1403 // Handle the parent package 1404 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1405 grantedPermissions, didRestore, args.installerPackageName, 1406 args.observer); 1407 1408 // Handle the child packages 1409 final int childCount = (parentRes.addedChildPackages != null) 1410 ? parentRes.addedChildPackages.size() : 0; 1411 for (int i = 0; i < childCount; i++) { 1412 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1413 handlePackagePostInstall(childRes, grantPermissions, killApp, 1414 grantedPermissions, false, args.installerPackageName, 1415 args.observer); 1416 } 1417 1418 // Log tracing if needed 1419 if (args.traceMethod != null) { 1420 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1421 args.traceCookie); 1422 } 1423 } else { 1424 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1425 } 1426 1427 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1428 } break; 1429 case UPDATED_MEDIA_STATUS: { 1430 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1431 boolean reportStatus = msg.arg1 == 1; 1432 boolean doGc = msg.arg2 == 1; 1433 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1434 if (doGc) { 1435 // Force a gc to clear up stale containers. 1436 Runtime.getRuntime().gc(); 1437 } 1438 if (msg.obj != null) { 1439 @SuppressWarnings("unchecked") 1440 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1441 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1442 // Unload containers 1443 unloadAllContainers(args); 1444 } 1445 if (reportStatus) { 1446 try { 1447 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1448 PackageHelper.getMountService().finishMediaUpdate(); 1449 } catch (RemoteException e) { 1450 Log.e(TAG, "MountService not running?"); 1451 } 1452 } 1453 } break; 1454 case WRITE_SETTINGS: { 1455 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1456 synchronized (mPackages) { 1457 removeMessages(WRITE_SETTINGS); 1458 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1459 mSettings.writeLPr(); 1460 mDirtyUsers.clear(); 1461 } 1462 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1463 } break; 1464 case WRITE_PACKAGE_RESTRICTIONS: { 1465 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1466 synchronized (mPackages) { 1467 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1468 for (int userId : mDirtyUsers) { 1469 mSettings.writePackageRestrictionsLPr(userId); 1470 } 1471 mDirtyUsers.clear(); 1472 } 1473 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1474 } break; 1475 case WRITE_PACKAGE_LIST: { 1476 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1477 synchronized (mPackages) { 1478 removeMessages(WRITE_PACKAGE_LIST); 1479 mSettings.writePackageListLPr(msg.arg1); 1480 } 1481 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1482 } break; 1483 case CHECK_PENDING_VERIFICATION: { 1484 final int verificationId = msg.arg1; 1485 final PackageVerificationState state = mPendingVerification.get(verificationId); 1486 1487 if ((state != null) && !state.timeoutExtended()) { 1488 final InstallArgs args = state.getInstallArgs(); 1489 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1490 1491 Slog.i(TAG, "Verification timed out for " + originUri); 1492 mPendingVerification.remove(verificationId); 1493 1494 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1495 1496 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1497 Slog.i(TAG, "Continuing with installation of " + originUri); 1498 state.setVerifierResponse(Binder.getCallingUid(), 1499 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1500 broadcastPackageVerified(verificationId, originUri, 1501 PackageManager.VERIFICATION_ALLOW, 1502 state.getInstallArgs().getUser()); 1503 try { 1504 ret = args.copyApk(mContainerService, true); 1505 } catch (RemoteException e) { 1506 Slog.e(TAG, "Could not contact the ContainerService"); 1507 } 1508 } else { 1509 broadcastPackageVerified(verificationId, originUri, 1510 PackageManager.VERIFICATION_REJECT, 1511 state.getInstallArgs().getUser()); 1512 } 1513 1514 Trace.asyncTraceEnd( 1515 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1516 1517 processPendingInstall(args, ret); 1518 mHandler.sendEmptyMessage(MCS_UNBIND); 1519 } 1520 break; 1521 } 1522 case PACKAGE_VERIFIED: { 1523 final int verificationId = msg.arg1; 1524 1525 final PackageVerificationState state = mPendingVerification.get(verificationId); 1526 if (state == null) { 1527 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1528 break; 1529 } 1530 1531 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1532 1533 state.setVerifierResponse(response.callerUid, response.code); 1534 1535 if (state.isVerificationComplete()) { 1536 mPendingVerification.remove(verificationId); 1537 1538 final InstallArgs args = state.getInstallArgs(); 1539 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1540 1541 int ret; 1542 if (state.isInstallAllowed()) { 1543 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1544 broadcastPackageVerified(verificationId, originUri, 1545 response.code, state.getInstallArgs().getUser()); 1546 try { 1547 ret = args.copyApk(mContainerService, true); 1548 } catch (RemoteException e) { 1549 Slog.e(TAG, "Could not contact the ContainerService"); 1550 } 1551 } else { 1552 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1553 } 1554 1555 Trace.asyncTraceEnd( 1556 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1557 1558 processPendingInstall(args, ret); 1559 mHandler.sendEmptyMessage(MCS_UNBIND); 1560 } 1561 1562 break; 1563 } 1564 case START_INTENT_FILTER_VERIFICATIONS: { 1565 IFVerificationParams params = (IFVerificationParams) msg.obj; 1566 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1567 params.replacing, params.pkg); 1568 break; 1569 } 1570 case INTENT_FILTER_VERIFIED: { 1571 final int verificationId = msg.arg1; 1572 1573 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1574 verificationId); 1575 if (state == null) { 1576 Slog.w(TAG, "Invalid IntentFilter verification token " 1577 + verificationId + " received"); 1578 break; 1579 } 1580 1581 final int userId = state.getUserId(); 1582 1583 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1584 "Processing IntentFilter verification with token:" 1585 + verificationId + " and userId:" + userId); 1586 1587 final IntentFilterVerificationResponse response = 1588 (IntentFilterVerificationResponse) msg.obj; 1589 1590 state.setVerifierResponse(response.callerUid, response.code); 1591 1592 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1593 "IntentFilter verification with token:" + verificationId 1594 + " and userId:" + userId 1595 + " is settings verifier response with response code:" 1596 + response.code); 1597 1598 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1599 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1600 + response.getFailedDomainsString()); 1601 } 1602 1603 if (state.isVerificationComplete()) { 1604 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1605 } else { 1606 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1607 "IntentFilter verification with token:" + verificationId 1608 + " was not said to be complete"); 1609 } 1610 1611 break; 1612 } 1613 } 1614 } 1615 } 1616 1617 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1618 boolean killApp, String[] grantedPermissions, 1619 boolean launchedForRestore, String installerPackage, 1620 IPackageInstallObserver2 installObserver) { 1621 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1622 // Send the removed broadcasts 1623 if (res.removedInfo != null) { 1624 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1625 } 1626 1627 // Now that we successfully installed the package, grant runtime 1628 // permissions if requested before broadcasting the install. 1629 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1630 >= Build.VERSION_CODES.M) { 1631 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1632 } 1633 1634 final boolean update = res.removedInfo != null 1635 && res.removedInfo.removedPackage != null; 1636 1637 // If this is the first time we have child packages for a disabled privileged 1638 // app that had no children, we grant requested runtime permissions to the new 1639 // children if the parent on the system image had them already granted. 1640 if (res.pkg.parentPackage != null) { 1641 synchronized (mPackages) { 1642 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1643 } 1644 } 1645 1646 synchronized (mPackages) { 1647 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1648 } 1649 1650 final String packageName = res.pkg.applicationInfo.packageName; 1651 Bundle extras = new Bundle(1); 1652 extras.putInt(Intent.EXTRA_UID, res.uid); 1653 1654 // Determine the set of users who are adding this package for 1655 // the first time vs. those who are seeing an update. 1656 int[] firstUsers = EMPTY_INT_ARRAY; 1657 int[] updateUsers = EMPTY_INT_ARRAY; 1658 if (res.origUsers == null || res.origUsers.length == 0) { 1659 firstUsers = res.newUsers; 1660 } else { 1661 for (int newUser : res.newUsers) { 1662 boolean isNew = true; 1663 for (int origUser : res.origUsers) { 1664 if (origUser == newUser) { 1665 isNew = false; 1666 break; 1667 } 1668 } 1669 if (isNew) { 1670 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1671 } else { 1672 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1673 } 1674 } 1675 } 1676 1677 // Send installed broadcasts if the install/update is not ephemeral 1678 if (!isEphemeral(res.pkg)) { 1679 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1680 1681 // Send added for users that see the package for the first time 1682 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1683 extras, 0 /*flags*/, null /*targetPackage*/, 1684 null /*finishedReceiver*/, firstUsers); 1685 1686 // Send added for users that don't see the package for the first time 1687 if (update) { 1688 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1689 } 1690 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1691 extras, 0 /*flags*/, null /*targetPackage*/, 1692 null /*finishedReceiver*/, updateUsers); 1693 1694 // Send replaced for users that don't see the package for the first time 1695 if (update) { 1696 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1697 packageName, extras, 0 /*flags*/, 1698 null /*targetPackage*/, null /*finishedReceiver*/, 1699 updateUsers); 1700 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1701 null /*package*/, null /*extras*/, 0 /*flags*/, 1702 packageName /*targetPackage*/, 1703 null /*finishedReceiver*/, updateUsers); 1704 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1705 // First-install and we did a restore, so we're responsible for the 1706 // first-launch broadcast. 1707 if (DEBUG_BACKUP) { 1708 Slog.i(TAG, "Post-restore of " + packageName 1709 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1710 } 1711 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1712 } 1713 1714 // Send broadcast package appeared if forward locked/external for all users 1715 // treat asec-hosted packages like removable media on upgrade 1716 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1717 if (DEBUG_INSTALL) { 1718 Slog.i(TAG, "upgrading pkg " + res.pkg 1719 + " is ASEC-hosted -> AVAILABLE"); 1720 } 1721 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1722 ArrayList<String> pkgList = new ArrayList<>(1); 1723 pkgList.add(packageName); 1724 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1725 } 1726 } 1727 1728 // Work that needs to happen on first install within each user 1729 if (firstUsers != null && firstUsers.length > 0) { 1730 synchronized (mPackages) { 1731 for (int userId : firstUsers) { 1732 // If this app is a browser and it's newly-installed for some 1733 // users, clear any default-browser state in those users. The 1734 // app's nature doesn't depend on the user, so we can just check 1735 // its browser nature in any user and generalize. 1736 if (packageIsBrowser(packageName, userId)) { 1737 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1738 } 1739 1740 // We may also need to apply pending (restored) runtime 1741 // permission grants within these users. 1742 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1743 } 1744 } 1745 } 1746 1747 // Log current value of "unknown sources" setting 1748 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1749 getUnknownSourcesSettings()); 1750 1751 // Force a gc to clear up things 1752 Runtime.getRuntime().gc(); 1753 1754 // Remove the replaced package's older resources safely now 1755 // We delete after a gc for applications on sdcard. 1756 if (res.removedInfo != null && res.removedInfo.args != null) { 1757 synchronized (mInstallLock) { 1758 res.removedInfo.args.doPostDeleteLI(true); 1759 } 1760 } 1761 } 1762 1763 // If someone is watching installs - notify them 1764 if (installObserver != null) { 1765 try { 1766 Bundle extras = extrasForInstallResult(res); 1767 installObserver.onPackageInstalled(res.name, res.returnCode, 1768 res.returnMsg, extras); 1769 } catch (RemoteException e) { 1770 Slog.i(TAG, "Observer no longer exists."); 1771 } 1772 } 1773 } 1774 1775 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1776 PackageParser.Package pkg) { 1777 if (pkg.parentPackage == null) { 1778 return; 1779 } 1780 if (pkg.requestedPermissions == null) { 1781 return; 1782 } 1783 final PackageSetting disabledSysParentPs = mSettings 1784 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1785 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1786 || !disabledSysParentPs.isPrivileged() 1787 || (disabledSysParentPs.childPackageNames != null 1788 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1789 return; 1790 } 1791 final int[] allUserIds = sUserManager.getUserIds(); 1792 final int permCount = pkg.requestedPermissions.size(); 1793 for (int i = 0; i < permCount; i++) { 1794 String permission = pkg.requestedPermissions.get(i); 1795 BasePermission bp = mSettings.mPermissions.get(permission); 1796 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1797 continue; 1798 } 1799 for (int userId : allUserIds) { 1800 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1801 permission, userId)) { 1802 grantRuntimePermission(pkg.packageName, permission, userId); 1803 } 1804 } 1805 } 1806 } 1807 1808 private StorageEventListener mStorageListener = new StorageEventListener() { 1809 @Override 1810 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1811 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1812 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1813 final String volumeUuid = vol.getFsUuid(); 1814 1815 // Clean up any users or apps that were removed or recreated 1816 // while this volume was missing 1817 reconcileUsers(volumeUuid); 1818 reconcileApps(volumeUuid); 1819 1820 // Clean up any install sessions that expired or were 1821 // cancelled while this volume was missing 1822 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1823 1824 loadPrivatePackages(vol); 1825 1826 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1827 unloadPrivatePackages(vol); 1828 } 1829 } 1830 1831 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1832 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1833 updateExternalMediaStatus(true, false); 1834 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1835 updateExternalMediaStatus(false, false); 1836 } 1837 } 1838 } 1839 1840 @Override 1841 public void onVolumeForgotten(String fsUuid) { 1842 if (TextUtils.isEmpty(fsUuid)) { 1843 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1844 return; 1845 } 1846 1847 // Remove any apps installed on the forgotten volume 1848 synchronized (mPackages) { 1849 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1850 for (PackageSetting ps : packages) { 1851 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1852 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1853 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1854 } 1855 1856 mSettings.onVolumeForgotten(fsUuid); 1857 mSettings.writeLPr(); 1858 } 1859 } 1860 }; 1861 1862 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1863 String[] grantedPermissions) { 1864 for (int userId : userIds) { 1865 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1866 } 1867 1868 // We could have touched GID membership, so flush out packages.list 1869 synchronized (mPackages) { 1870 mSettings.writePackageListLPr(); 1871 } 1872 } 1873 1874 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1875 String[] grantedPermissions) { 1876 SettingBase sb = (SettingBase) pkg.mExtras; 1877 if (sb == null) { 1878 return; 1879 } 1880 1881 PermissionsState permissionsState = sb.getPermissionsState(); 1882 1883 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1884 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1885 1886 for (String permission : pkg.requestedPermissions) { 1887 final BasePermission bp; 1888 synchronized (mPackages) { 1889 bp = mSettings.mPermissions.get(permission); 1890 } 1891 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1892 && (grantedPermissions == null 1893 || ArrayUtils.contains(grantedPermissions, permission))) { 1894 final int flags = permissionsState.getPermissionFlags(permission, userId); 1895 // Installer cannot change immutable permissions. 1896 if ((flags & immutableFlags) == 0) { 1897 grantRuntimePermission(pkg.packageName, permission, userId); 1898 } 1899 } 1900 } 1901 } 1902 1903 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1904 Bundle extras = null; 1905 switch (res.returnCode) { 1906 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1907 extras = new Bundle(); 1908 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1909 res.origPermission); 1910 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1911 res.origPackage); 1912 break; 1913 } 1914 case PackageManager.INSTALL_SUCCEEDED: { 1915 extras = new Bundle(); 1916 extras.putBoolean(Intent.EXTRA_REPLACING, 1917 res.removedInfo != null && res.removedInfo.removedPackage != null); 1918 break; 1919 } 1920 } 1921 return extras; 1922 } 1923 1924 void scheduleWriteSettingsLocked() { 1925 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1926 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1927 } 1928 } 1929 1930 void scheduleWritePackageListLocked(int userId) { 1931 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1932 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1933 msg.arg1 = userId; 1934 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1935 } 1936 } 1937 1938 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1939 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1940 scheduleWritePackageRestrictionsLocked(userId); 1941 } 1942 1943 void scheduleWritePackageRestrictionsLocked(int userId) { 1944 final int[] userIds = (userId == UserHandle.USER_ALL) 1945 ? sUserManager.getUserIds() : new int[]{userId}; 1946 for (int nextUserId : userIds) { 1947 if (!sUserManager.exists(nextUserId)) return; 1948 mDirtyUsers.add(nextUserId); 1949 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1950 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1951 } 1952 } 1953 } 1954 1955 public static PackageManagerService main(Context context, Installer installer, 1956 boolean factoryTest, boolean onlyCore) { 1957 // Self-check for initial settings. 1958 PackageManagerServiceCompilerMapping.checkProperties(); 1959 1960 PackageManagerService m = new PackageManagerService(context, installer, 1961 factoryTest, onlyCore); 1962 m.enableSystemUserPackages(); 1963 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 1964 // disabled after already being started. 1965 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 1966 UserHandle.USER_SYSTEM); 1967 ServiceManager.addService("package", m); 1968 return m; 1969 } 1970 1971 private void enableSystemUserPackages() { 1972 if (!UserManager.isSplitSystemUser()) { 1973 return; 1974 } 1975 // For system user, enable apps based on the following conditions: 1976 // - app is whitelisted or belong to one of these groups: 1977 // -- system app which has no launcher icons 1978 // -- system app which has INTERACT_ACROSS_USERS permission 1979 // -- system IME app 1980 // - app is not in the blacklist 1981 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1982 Set<String> enableApps = new ArraySet<>(); 1983 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1984 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1985 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1986 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1987 enableApps.addAll(wlApps); 1988 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1989 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1990 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1991 enableApps.removeAll(blApps); 1992 Log.i(TAG, "Applications installed for system user: " + enableApps); 1993 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1994 UserHandle.SYSTEM); 1995 final int allAppsSize = allAps.size(); 1996 synchronized (mPackages) { 1997 for (int i = 0; i < allAppsSize; i++) { 1998 String pName = allAps.get(i); 1999 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2000 // Should not happen, but we shouldn't be failing if it does 2001 if (pkgSetting == null) { 2002 continue; 2003 } 2004 boolean install = enableApps.contains(pName); 2005 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2006 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2007 + " for system user"); 2008 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2009 } 2010 } 2011 } 2012 } 2013 2014 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2015 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2016 Context.DISPLAY_SERVICE); 2017 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2018 } 2019 2020 /** 2021 * Requests that files preopted on a secondary system partition be copied to the data partition 2022 * if possible. Note that the actual copying of the files is accomplished by init for security 2023 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2024 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2025 */ 2026 private static void requestCopyPreoptedFiles() { 2027 final int WAIT_TIME_MS = 100; 2028 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2029 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2030 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2031 // We will wait for up to 100 seconds. 2032 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2033 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2034 try { 2035 Thread.sleep(WAIT_TIME_MS); 2036 } catch (InterruptedException e) { 2037 // Do nothing 2038 } 2039 if (SystemClock.uptimeMillis() > timeEnd) { 2040 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2041 Slog.wtf(TAG, "cppreopt did not finish!"); 2042 break; 2043 } 2044 } 2045 } 2046 } 2047 2048 public PackageManagerService(Context context, Installer installer, 2049 boolean factoryTest, boolean onlyCore) { 2050 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2051 SystemClock.uptimeMillis()); 2052 2053 if (mSdkVersion <= 0) { 2054 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2055 } 2056 2057 mContext = context; 2058 2059 mPermissionReviewRequired = context.getResources().getBoolean( 2060 R.bool.config_permissionReviewRequired); 2061 2062 mFactoryTest = factoryTest; 2063 mOnlyCore = onlyCore; 2064 mMetrics = new DisplayMetrics(); 2065 mSettings = new Settings(mPackages); 2066 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2067 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2068 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2069 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2070 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2071 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2072 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2073 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2074 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2075 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2076 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2077 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2078 2079 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2080 if (separateProcesses != null && separateProcesses.length() > 0) { 2081 if ("*".equals(separateProcesses)) { 2082 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2083 mSeparateProcesses = null; 2084 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2085 } else { 2086 mDefParseFlags = 0; 2087 mSeparateProcesses = separateProcesses.split(","); 2088 Slog.w(TAG, "Running with debug.separate_processes: " 2089 + separateProcesses); 2090 } 2091 } else { 2092 mDefParseFlags = 0; 2093 mSeparateProcesses = null; 2094 } 2095 2096 mInstaller = installer; 2097 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2098 "*dexopt*"); 2099 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2100 2101 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2102 FgThread.get().getLooper()); 2103 2104 getDefaultDisplayMetrics(context, mMetrics); 2105 2106 SystemConfig systemConfig = SystemConfig.getInstance(); 2107 mGlobalGids = systemConfig.getGlobalGids(); 2108 mSystemPermissions = systemConfig.getSystemPermissions(); 2109 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2110 2111 synchronized (mInstallLock) { 2112 // writer 2113 synchronized (mPackages) { 2114 mHandlerThread = new ServiceThread(TAG, 2115 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2116 mHandlerThread.start(); 2117 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2118 mProcessLoggingHandler = new ProcessLoggingHandler(); 2119 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2120 2121 File dataDir = Environment.getDataDirectory(); 2122 mAppInstallDir = new File(dataDir, "app"); 2123 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2124 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2125 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2126 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2127 2128 sUserManager = new UserManagerService(context, this, mPackages); 2129 2130 // Propagate permission configuration in to package manager. 2131 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2132 = systemConfig.getPermissions(); 2133 for (int i=0; i<permConfig.size(); i++) { 2134 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2135 BasePermission bp = mSettings.mPermissions.get(perm.name); 2136 if (bp == null) { 2137 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2138 mSettings.mPermissions.put(perm.name, bp); 2139 } 2140 if (perm.gids != null) { 2141 bp.setGids(perm.gids, perm.perUser); 2142 } 2143 } 2144 2145 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2146 for (int i=0; i<libConfig.size(); i++) { 2147 mSharedLibraries.put(libConfig.keyAt(i), 2148 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2149 } 2150 2151 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2152 2153 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2154 2155 if (mFirstBoot) { 2156 requestCopyPreoptedFiles(); 2157 } 2158 2159 String customResolverActivity = Resources.getSystem().getString( 2160 R.string.config_customResolverActivity); 2161 if (TextUtils.isEmpty(customResolverActivity)) { 2162 customResolverActivity = null; 2163 } else { 2164 mCustomResolverComponentName = ComponentName.unflattenFromString( 2165 customResolverActivity); 2166 } 2167 2168 long startTime = SystemClock.uptimeMillis(); 2169 2170 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2171 startTime); 2172 2173 // Set flag to monitor and not change apk file paths when 2174 // scanning install directories. 2175 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2176 2177 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2178 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2179 2180 if (bootClassPath == null) { 2181 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2182 } 2183 2184 if (systemServerClassPath == null) { 2185 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2186 } 2187 2188 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2189 final String[] dexCodeInstructionSets = 2190 getDexCodeInstructionSets( 2191 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2192 2193 /** 2194 * Ensure all external libraries have had dexopt run on them. 2195 */ 2196 if (mSharedLibraries.size() > 0) { 2197 // NOTE: For now, we're compiling these system "shared libraries" 2198 // (and framework jars) into all available architectures. It's possible 2199 // to compile them only when we come across an app that uses them (there's 2200 // already logic for that in scanPackageLI) but that adds some complexity. 2201 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2202 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2203 final String lib = libEntry.path; 2204 if (lib == null) { 2205 continue; 2206 } 2207 2208 try { 2209 // Shared libraries do not have profiles so we perform a full 2210 // AOT compilation (if needed). 2211 int dexoptNeeded = DexFile.getDexOptNeeded( 2212 lib, dexCodeInstructionSet, 2213 getCompilerFilterForReason(REASON_SHARED_APK), 2214 false /* newProfile */); 2215 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2216 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2217 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2218 getCompilerFilterForReason(REASON_SHARED_APK), 2219 StorageManager.UUID_PRIVATE_INTERNAL, 2220 SKIP_SHARED_LIBRARY_CHECK); 2221 } 2222 } catch (FileNotFoundException e) { 2223 Slog.w(TAG, "Library not found: " + lib); 2224 } catch (IOException | InstallerException e) { 2225 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2226 + e.getMessage()); 2227 } 2228 } 2229 } 2230 } 2231 2232 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2233 2234 final VersionInfo ver = mSettings.getInternalVersion(); 2235 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2236 2237 // when upgrading from pre-M, promote system app permissions from install to runtime 2238 mPromoteSystemApps = 2239 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2240 2241 // When upgrading from pre-N, we need to handle package extraction like first boot, 2242 // as there is no profiling data available. 2243 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2244 2245 // save off the names of pre-existing system packages prior to scanning; we don't 2246 // want to automatically grant runtime permissions for new system apps 2247 if (mPromoteSystemApps) { 2248 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2249 while (pkgSettingIter.hasNext()) { 2250 PackageSetting ps = pkgSettingIter.next(); 2251 if (isSystemApp(ps)) { 2252 mExistingSystemPackages.add(ps.name); 2253 } 2254 } 2255 } 2256 2257 // Collect vendor overlay packages. 2258 // (Do this before scanning any apps.) 2259 // For security and version matching reason, only consider 2260 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2261 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2262 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2263 | PackageParser.PARSE_IS_SYSTEM 2264 | PackageParser.PARSE_IS_SYSTEM_DIR 2265 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2266 2267 // Find base frameworks (resource packages without code). 2268 scanDirTracedLI(frameworkDir, mDefParseFlags 2269 | PackageParser.PARSE_IS_SYSTEM 2270 | PackageParser.PARSE_IS_SYSTEM_DIR 2271 | PackageParser.PARSE_IS_PRIVILEGED, 2272 scanFlags | SCAN_NO_DEX, 0); 2273 2274 // Collected privileged system packages. 2275 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2276 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2277 | PackageParser.PARSE_IS_SYSTEM 2278 | PackageParser.PARSE_IS_SYSTEM_DIR 2279 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2280 2281 // Collect ordinary system packages. 2282 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2283 scanDirTracedLI(systemAppDir, mDefParseFlags 2284 | PackageParser.PARSE_IS_SYSTEM 2285 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2286 2287 // Collect all vendor packages. 2288 File vendorAppDir = new File("/vendor/app"); 2289 try { 2290 vendorAppDir = vendorAppDir.getCanonicalFile(); 2291 } catch (IOException e) { 2292 // failed to look up canonical path, continue with original one 2293 } 2294 scanDirTracedLI(vendorAppDir, mDefParseFlags 2295 | PackageParser.PARSE_IS_SYSTEM 2296 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2297 2298 // Collect all OEM packages. 2299 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2300 scanDirTracedLI(oemAppDir, mDefParseFlags 2301 | PackageParser.PARSE_IS_SYSTEM 2302 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2303 2304 // Prune any system packages that no longer exist. 2305 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2306 if (!mOnlyCore) { 2307 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2308 while (psit.hasNext()) { 2309 PackageSetting ps = psit.next(); 2310 2311 /* 2312 * If this is not a system app, it can't be a 2313 * disable system app. 2314 */ 2315 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2316 continue; 2317 } 2318 2319 /* 2320 * If the package is scanned, it's not erased. 2321 */ 2322 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2323 if (scannedPkg != null) { 2324 /* 2325 * If the system app is both scanned and in the 2326 * disabled packages list, then it must have been 2327 * added via OTA. Remove it from the currently 2328 * scanned package so the previously user-installed 2329 * application can be scanned. 2330 */ 2331 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2332 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2333 + ps.name + "; removing system app. Last known codePath=" 2334 + ps.codePathString + ", installStatus=" + ps.installStatus 2335 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2336 + scannedPkg.mVersionCode); 2337 removePackageLI(scannedPkg, true); 2338 mExpectingBetter.put(ps.name, ps.codePath); 2339 } 2340 2341 continue; 2342 } 2343 2344 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2345 psit.remove(); 2346 logCriticalInfo(Log.WARN, "System package " + ps.name 2347 + " no longer exists; it's data will be wiped"); 2348 // Actual deletion of code and data will be handled by later 2349 // reconciliation step 2350 } else { 2351 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2352 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2353 possiblyDeletedUpdatedSystemApps.add(ps.name); 2354 } 2355 } 2356 } 2357 } 2358 2359 //look for any incomplete package installations 2360 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2361 for (int i = 0; i < deletePkgsList.size(); i++) { 2362 // Actual deletion of code and data will be handled by later 2363 // reconciliation step 2364 final String packageName = deletePkgsList.get(i).name; 2365 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2366 synchronized (mPackages) { 2367 mSettings.removePackageLPw(packageName); 2368 } 2369 } 2370 2371 //delete tmp files 2372 deleteTempPackageFiles(); 2373 2374 // Remove any shared userIDs that have no associated packages 2375 mSettings.pruneSharedUsersLPw(); 2376 2377 if (!mOnlyCore) { 2378 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2379 SystemClock.uptimeMillis()); 2380 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2381 2382 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2383 | PackageParser.PARSE_FORWARD_LOCK, 2384 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2385 2386 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2387 | PackageParser.PARSE_IS_EPHEMERAL, 2388 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2389 2390 /** 2391 * Remove disable package settings for any updated system 2392 * apps that were removed via an OTA. If they're not a 2393 * previously-updated app, remove them completely. 2394 * Otherwise, just revoke their system-level permissions. 2395 */ 2396 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2397 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2398 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2399 2400 String msg; 2401 if (deletedPkg == null) { 2402 msg = "Updated system package " + deletedAppName 2403 + " no longer exists; it's data will be wiped"; 2404 // Actual deletion of code and data will be handled by later 2405 // reconciliation step 2406 } else { 2407 msg = "Updated system app + " + deletedAppName 2408 + " no longer present; removing system privileges for " 2409 + deletedAppName; 2410 2411 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2412 2413 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2414 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2415 } 2416 logCriticalInfo(Log.WARN, msg); 2417 } 2418 2419 /** 2420 * Make sure all system apps that we expected to appear on 2421 * the userdata partition actually showed up. If they never 2422 * appeared, crawl back and revive the system version. 2423 */ 2424 for (int i = 0; i < mExpectingBetter.size(); i++) { 2425 final String packageName = mExpectingBetter.keyAt(i); 2426 if (!mPackages.containsKey(packageName)) { 2427 final File scanFile = mExpectingBetter.valueAt(i); 2428 2429 logCriticalInfo(Log.WARN, "Expected better " + packageName 2430 + " but never showed up; reverting to system"); 2431 2432 int reparseFlags = mDefParseFlags; 2433 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2434 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2435 | PackageParser.PARSE_IS_SYSTEM_DIR 2436 | PackageParser.PARSE_IS_PRIVILEGED; 2437 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2438 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2439 | PackageParser.PARSE_IS_SYSTEM_DIR; 2440 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2441 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR; 2443 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2444 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2445 | PackageParser.PARSE_IS_SYSTEM_DIR; 2446 } else { 2447 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2448 continue; 2449 } 2450 2451 mSettings.enableSystemPackageLPw(packageName); 2452 2453 try { 2454 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2455 } catch (PackageManagerException e) { 2456 Slog.e(TAG, "Failed to parse original system package: " 2457 + e.getMessage()); 2458 } 2459 } 2460 } 2461 } 2462 mExpectingBetter.clear(); 2463 2464 // Resolve protected action filters. Only the setup wizard is allowed to 2465 // have a high priority filter for these actions. 2466 mSetupWizardPackage = getSetupWizardPackageName(); 2467 if (mProtectedFilters.size() > 0) { 2468 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2469 Slog.i(TAG, "No setup wizard;" 2470 + " All protected intents capped to priority 0"); 2471 } 2472 for (ActivityIntentInfo filter : mProtectedFilters) { 2473 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2474 if (DEBUG_FILTERS) { 2475 Slog.i(TAG, "Found setup wizard;" 2476 + " allow priority " + filter.getPriority() + ";" 2477 + " package: " + filter.activity.info.packageName 2478 + " activity: " + filter.activity.className 2479 + " priority: " + filter.getPriority()); 2480 } 2481 // skip setup wizard; allow it to keep the high priority filter 2482 continue; 2483 } 2484 Slog.w(TAG, "Protected action; cap priority to 0;" 2485 + " package: " + filter.activity.info.packageName 2486 + " activity: " + filter.activity.className 2487 + " origPrio: " + filter.getPriority()); 2488 filter.setPriority(0); 2489 } 2490 } 2491 mDeferProtectedFilters = false; 2492 mProtectedFilters.clear(); 2493 2494 // Now that we know all of the shared libraries, update all clients to have 2495 // the correct library paths. 2496 updateAllSharedLibrariesLPw(); 2497 2498 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2499 // NOTE: We ignore potential failures here during a system scan (like 2500 // the rest of the commands above) because there's precious little we 2501 // can do about it. A settings error is reported, though. 2502 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2503 false /* boot complete */); 2504 } 2505 2506 // Now that we know all the packages we are keeping, 2507 // read and update their last usage times. 2508 mPackageUsage.read(mPackages); 2509 mCompilerStats.read(); 2510 2511 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2512 SystemClock.uptimeMillis()); 2513 Slog.i(TAG, "Time to scan packages: " 2514 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2515 + " seconds"); 2516 2517 // If the platform SDK has changed since the last time we booted, 2518 // we need to re-grant app permission to catch any new ones that 2519 // appear. This is really a hack, and means that apps can in some 2520 // cases get permissions that the user didn't initially explicitly 2521 // allow... it would be nice to have some better way to handle 2522 // this situation. 2523 int updateFlags = UPDATE_PERMISSIONS_ALL; 2524 if (ver.sdkVersion != mSdkVersion) { 2525 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2526 + mSdkVersion + "; regranting permissions for internal storage"); 2527 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2528 } 2529 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2530 ver.sdkVersion = mSdkVersion; 2531 2532 // If this is the first boot or an update from pre-M, and it is a normal 2533 // boot, then we need to initialize the default preferred apps across 2534 // all defined users. 2535 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2536 for (UserInfo user : sUserManager.getUsers(true)) { 2537 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2538 applyFactoryDefaultBrowserLPw(user.id); 2539 primeDomainVerificationsLPw(user.id); 2540 } 2541 } 2542 2543 // Prepare storage for system user really early during boot, 2544 // since core system apps like SettingsProvider and SystemUI 2545 // can't wait for user to start 2546 final int storageFlags; 2547 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2548 storageFlags = StorageManager.FLAG_STORAGE_DE; 2549 } else { 2550 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2551 } 2552 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2553 storageFlags); 2554 2555 // If this is first boot after an OTA, and a normal boot, then 2556 // we need to clear code cache directories. 2557 // Note that we do *not* clear the application profiles. These remain valid 2558 // across OTAs and are used to drive profile verification (post OTA) and 2559 // profile compilation (without waiting to collect a fresh set of profiles). 2560 if (mIsUpgrade && !onlyCore) { 2561 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2562 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2563 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2564 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2565 // No apps are running this early, so no need to freeze 2566 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2567 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2568 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2569 } 2570 } 2571 ver.fingerprint = Build.FINGERPRINT; 2572 } 2573 2574 checkDefaultBrowser(); 2575 2576 // clear only after permissions and other defaults have been updated 2577 mExistingSystemPackages.clear(); 2578 mPromoteSystemApps = false; 2579 2580 // All the changes are done during package scanning. 2581 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2582 2583 // can downgrade to reader 2584 mSettings.writeLPr(); 2585 2586 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2587 // early on (before the package manager declares itself as early) because other 2588 // components in the system server might ask for package contexts for these apps. 2589 // 2590 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2591 // (i.e, that the data partition is unavailable). 2592 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2593 long start = System.nanoTime(); 2594 List<PackageParser.Package> coreApps = new ArrayList<>(); 2595 for (PackageParser.Package pkg : mPackages.values()) { 2596 if (pkg.coreApp) { 2597 coreApps.add(pkg); 2598 } 2599 } 2600 2601 int[] stats = performDexOptUpgrade(coreApps, false, 2602 getCompilerFilterForReason(REASON_CORE_APP)); 2603 2604 final int elapsedTimeSeconds = 2605 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2606 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2607 2608 if (DEBUG_DEXOPT) { 2609 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2610 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2611 } 2612 2613 2614 // TODO: Should we log these stats to tron too ? 2615 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2616 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2617 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2618 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2619 } 2620 2621 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2622 SystemClock.uptimeMillis()); 2623 2624 if (!mOnlyCore) { 2625 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2626 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2627 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2628 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2629 mIntentFilterVerifierComponent); 2630 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2631 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2632 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2633 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2634 } else { 2635 mRequiredVerifierPackage = null; 2636 mRequiredInstallerPackage = null; 2637 mIntentFilterVerifierComponent = null; 2638 mIntentFilterVerifier = null; 2639 mServicesSystemSharedLibraryPackageName = null; 2640 mSharedSystemSharedLibraryPackageName = null; 2641 } 2642 2643 mInstallerService = new PackageInstallerService(context, this); 2644 2645 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2646 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2647 // both the installer and resolver must be present to enable ephemeral 2648 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2649 if (DEBUG_EPHEMERAL) { 2650 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2651 + " installer:" + ephemeralInstallerComponent); 2652 } 2653 mEphemeralResolverComponent = ephemeralResolverComponent; 2654 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2655 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2656 mEphemeralResolverConnection = 2657 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2658 } else { 2659 if (DEBUG_EPHEMERAL) { 2660 final String missingComponent = 2661 (ephemeralResolverComponent == null) 2662 ? (ephemeralInstallerComponent == null) 2663 ? "resolver and installer" 2664 : "resolver" 2665 : "installer"; 2666 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2667 } 2668 mEphemeralResolverComponent = null; 2669 mEphemeralInstallerComponent = null; 2670 mEphemeralResolverConnection = null; 2671 } 2672 2673 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2674 } // synchronized (mPackages) 2675 } // synchronized (mInstallLock) 2676 2677 // Now after opening every single application zip, make sure they 2678 // are all flushed. Not really needed, but keeps things nice and 2679 // tidy. 2680 Runtime.getRuntime().gc(); 2681 2682 // The initial scanning above does many calls into installd while 2683 // holding the mPackages lock, but we're mostly interested in yelling 2684 // once we have a booted system. 2685 mInstaller.setWarnIfHeld(mPackages); 2686 2687 // Expose private service for system components to use. 2688 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2689 } 2690 2691 @Override 2692 public boolean isFirstBoot() { 2693 return mFirstBoot; 2694 } 2695 2696 @Override 2697 public boolean isOnlyCoreApps() { 2698 return mOnlyCore; 2699 } 2700 2701 @Override 2702 public boolean isUpgrade() { 2703 return mIsUpgrade; 2704 } 2705 2706 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2707 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2708 2709 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2710 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2711 UserHandle.USER_SYSTEM); 2712 if (matches.size() == 1) { 2713 return matches.get(0).getComponentInfo().packageName; 2714 } else { 2715 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2716 return null; 2717 } 2718 } 2719 2720 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2721 synchronized (mPackages) { 2722 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2723 if (libraryEntry == null) { 2724 throw new IllegalStateException("Missing required shared library:" + libraryName); 2725 } 2726 return libraryEntry.apk; 2727 } 2728 } 2729 2730 private @NonNull String getRequiredInstallerLPr() { 2731 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2732 intent.addCategory(Intent.CATEGORY_DEFAULT); 2733 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2734 2735 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2736 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2737 UserHandle.USER_SYSTEM); 2738 if (matches.size() == 1) { 2739 ResolveInfo resolveInfo = matches.get(0); 2740 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2741 throw new RuntimeException("The installer must be a privileged app"); 2742 } 2743 return matches.get(0).getComponentInfo().packageName; 2744 } else { 2745 throw new RuntimeException("There must be exactly one installer; found " + matches); 2746 } 2747 } 2748 2749 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2750 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2751 2752 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2753 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2754 UserHandle.USER_SYSTEM); 2755 ResolveInfo best = null; 2756 final int N = matches.size(); 2757 for (int i = 0; i < N; i++) { 2758 final ResolveInfo cur = matches.get(i); 2759 final String packageName = cur.getComponentInfo().packageName; 2760 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2761 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2762 continue; 2763 } 2764 2765 if (best == null || cur.priority > best.priority) { 2766 best = cur; 2767 } 2768 } 2769 2770 if (best != null) { 2771 return best.getComponentInfo().getComponentName(); 2772 } else { 2773 throw new RuntimeException("There must be at least one intent filter verifier"); 2774 } 2775 } 2776 2777 private @Nullable ComponentName getEphemeralResolverLPr() { 2778 final String[] packageArray = 2779 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2780 if (packageArray.length == 0) { 2781 if (DEBUG_EPHEMERAL) { 2782 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2783 } 2784 return null; 2785 } 2786 2787 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2788 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2789 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2790 UserHandle.USER_SYSTEM); 2791 2792 final int N = resolvers.size(); 2793 if (N == 0) { 2794 if (DEBUG_EPHEMERAL) { 2795 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2796 } 2797 return null; 2798 } 2799 2800 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2801 for (int i = 0; i < N; i++) { 2802 final ResolveInfo info = resolvers.get(i); 2803 2804 if (info.serviceInfo == null) { 2805 continue; 2806 } 2807 2808 final String packageName = info.serviceInfo.packageName; 2809 if (!possiblePackages.contains(packageName)) { 2810 if (DEBUG_EPHEMERAL) { 2811 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2812 + " pkg: " + packageName + ", info:" + info); 2813 } 2814 continue; 2815 } 2816 2817 if (DEBUG_EPHEMERAL) { 2818 Slog.v(TAG, "Ephemeral resolver found;" 2819 + " pkg: " + packageName + ", info:" + info); 2820 } 2821 return new ComponentName(packageName, info.serviceInfo.name); 2822 } 2823 if (DEBUG_EPHEMERAL) { 2824 Slog.v(TAG, "Ephemeral resolver NOT found"); 2825 } 2826 return null; 2827 } 2828 2829 private @Nullable ComponentName getEphemeralInstallerLPr() { 2830 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2831 intent.addCategory(Intent.CATEGORY_DEFAULT); 2832 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2833 2834 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2835 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2836 UserHandle.USER_SYSTEM); 2837 if (matches.size() == 0) { 2838 return null; 2839 } else if (matches.size() == 1) { 2840 return matches.get(0).getComponentInfo().getComponentName(); 2841 } else { 2842 throw new RuntimeException( 2843 "There must be at most one ephemeral installer; found " + matches); 2844 } 2845 } 2846 2847 private void primeDomainVerificationsLPw(int userId) { 2848 if (DEBUG_DOMAIN_VERIFICATION) { 2849 Slog.d(TAG, "Priming domain verifications in user " + userId); 2850 } 2851 2852 SystemConfig systemConfig = SystemConfig.getInstance(); 2853 ArraySet<String> packages = systemConfig.getLinkedApps(); 2854 ArraySet<String> domains = new ArraySet<String>(); 2855 2856 for (String packageName : packages) { 2857 PackageParser.Package pkg = mPackages.get(packageName); 2858 if (pkg != null) { 2859 if (!pkg.isSystemApp()) { 2860 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2861 continue; 2862 } 2863 2864 domains.clear(); 2865 for (PackageParser.Activity a : pkg.activities) { 2866 for (ActivityIntentInfo filter : a.intents) { 2867 if (hasValidDomains(filter)) { 2868 domains.addAll(filter.getHostsList()); 2869 } 2870 } 2871 } 2872 2873 if (domains.size() > 0) { 2874 if (DEBUG_DOMAIN_VERIFICATION) { 2875 Slog.v(TAG, " + " + packageName); 2876 } 2877 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2878 // state w.r.t. the formal app-linkage "no verification attempted" state; 2879 // and then 'always' in the per-user state actually used for intent resolution. 2880 final IntentFilterVerificationInfo ivi; 2881 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2882 new ArrayList<String>(domains)); 2883 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2884 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2885 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2886 } else { 2887 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2888 + "' does not handle web links"); 2889 } 2890 } else { 2891 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2892 } 2893 } 2894 2895 scheduleWritePackageRestrictionsLocked(userId); 2896 scheduleWriteSettingsLocked(); 2897 } 2898 2899 private void applyFactoryDefaultBrowserLPw(int userId) { 2900 // The default browser app's package name is stored in a string resource, 2901 // with a product-specific overlay used for vendor customization. 2902 String browserPkg = mContext.getResources().getString( 2903 com.android.internal.R.string.default_browser); 2904 if (!TextUtils.isEmpty(browserPkg)) { 2905 // non-empty string => required to be a known package 2906 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2907 if (ps == null) { 2908 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2909 browserPkg = null; 2910 } else { 2911 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2912 } 2913 } 2914 2915 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2916 // default. If there's more than one, just leave everything alone. 2917 if (browserPkg == null) { 2918 calculateDefaultBrowserLPw(userId); 2919 } 2920 } 2921 2922 private void calculateDefaultBrowserLPw(int userId) { 2923 List<String> allBrowsers = resolveAllBrowserApps(userId); 2924 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2925 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2926 } 2927 2928 private List<String> resolveAllBrowserApps(int userId) { 2929 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2930 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2931 PackageManager.MATCH_ALL, userId); 2932 2933 final int count = list.size(); 2934 List<String> result = new ArrayList<String>(count); 2935 for (int i=0; i<count; i++) { 2936 ResolveInfo info = list.get(i); 2937 if (info.activityInfo == null 2938 || !info.handleAllWebDataURI 2939 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2940 || result.contains(info.activityInfo.packageName)) { 2941 continue; 2942 } 2943 result.add(info.activityInfo.packageName); 2944 } 2945 2946 return result; 2947 } 2948 2949 private boolean packageIsBrowser(String packageName, int userId) { 2950 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2951 PackageManager.MATCH_ALL, userId); 2952 final int N = list.size(); 2953 for (int i = 0; i < N; i++) { 2954 ResolveInfo info = list.get(i); 2955 if (packageName.equals(info.activityInfo.packageName)) { 2956 return true; 2957 } 2958 } 2959 return false; 2960 } 2961 2962 private void checkDefaultBrowser() { 2963 final int myUserId = UserHandle.myUserId(); 2964 final String packageName = getDefaultBrowserPackageName(myUserId); 2965 if (packageName != null) { 2966 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2967 if (info == null) { 2968 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2969 synchronized (mPackages) { 2970 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2971 } 2972 } 2973 } 2974 } 2975 2976 @Override 2977 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2978 throws RemoteException { 2979 try { 2980 return super.onTransact(code, data, reply, flags); 2981 } catch (RuntimeException e) { 2982 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2983 Slog.wtf(TAG, "Package Manager Crash", e); 2984 } 2985 throw e; 2986 } 2987 } 2988 2989 static int[] appendInts(int[] cur, int[] add) { 2990 if (add == null) return cur; 2991 if (cur == null) return add; 2992 final int N = add.length; 2993 for (int i=0; i<N; i++) { 2994 cur = appendInt(cur, add[i]); 2995 } 2996 return cur; 2997 } 2998 2999 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3000 if (!sUserManager.exists(userId)) return null; 3001 if (ps == null) { 3002 return null; 3003 } 3004 final PackageParser.Package p = ps.pkg; 3005 if (p == null) { 3006 return null; 3007 } 3008 3009 final PermissionsState permissionsState = ps.getPermissionsState(); 3010 3011 final int[] gids = permissionsState.computeGids(userId); 3012 final Set<String> permissions = permissionsState.getPermissions(userId); 3013 final PackageUserState state = ps.readUserState(userId); 3014 3015 return PackageParser.generatePackageInfo(p, gids, flags, 3016 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3017 } 3018 3019 @Override 3020 public void checkPackageStartable(String packageName, int userId) { 3021 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3022 3023 synchronized (mPackages) { 3024 final PackageSetting ps = mSettings.mPackages.get(packageName); 3025 if (ps == null) { 3026 throw new SecurityException("Package " + packageName + " was not found!"); 3027 } 3028 3029 if (!ps.getInstalled(userId)) { 3030 throw new SecurityException( 3031 "Package " + packageName + " was not installed for user " + userId + "!"); 3032 } 3033 3034 if (mSafeMode && !ps.isSystem()) { 3035 throw new SecurityException("Package " + packageName + " not a system app!"); 3036 } 3037 3038 if (mFrozenPackages.contains(packageName)) { 3039 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3040 } 3041 3042 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3043 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3044 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3045 } 3046 } 3047 } 3048 3049 @Override 3050 public boolean isPackageAvailable(String packageName, int userId) { 3051 if (!sUserManager.exists(userId)) return false; 3052 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3053 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3054 synchronized (mPackages) { 3055 PackageParser.Package p = mPackages.get(packageName); 3056 if (p != null) { 3057 final PackageSetting ps = (PackageSetting) p.mExtras; 3058 if (ps != null) { 3059 final PackageUserState state = ps.readUserState(userId); 3060 if (state != null) { 3061 return PackageParser.isAvailable(state); 3062 } 3063 } 3064 } 3065 } 3066 return false; 3067 } 3068 3069 @Override 3070 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3071 if (!sUserManager.exists(userId)) return null; 3072 flags = updateFlagsForPackage(flags, userId, packageName); 3073 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3074 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3075 // reader 3076 synchronized (mPackages) { 3077 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3078 PackageParser.Package p = null; 3079 if (matchFactoryOnly) { 3080 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3081 if (ps != null) { 3082 return generatePackageInfo(ps, flags, userId); 3083 } 3084 } 3085 if (p == null) { 3086 p = mPackages.get(packageName); 3087 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3088 return null; 3089 } 3090 } 3091 if (DEBUG_PACKAGE_INFO) 3092 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3093 if (p != null) { 3094 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3095 } 3096 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3097 final PackageSetting ps = mSettings.mPackages.get(packageName); 3098 return generatePackageInfo(ps, flags, userId); 3099 } 3100 } 3101 return null; 3102 } 3103 3104 @Override 3105 public String[] currentToCanonicalPackageNames(String[] names) { 3106 String[] out = new String[names.length]; 3107 // reader 3108 synchronized (mPackages) { 3109 for (int i=names.length-1; i>=0; i--) { 3110 PackageSetting ps = mSettings.mPackages.get(names[i]); 3111 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3112 } 3113 } 3114 return out; 3115 } 3116 3117 @Override 3118 public String[] canonicalToCurrentPackageNames(String[] names) { 3119 String[] out = new String[names.length]; 3120 // reader 3121 synchronized (mPackages) { 3122 for (int i=names.length-1; i>=0; i--) { 3123 String cur = mSettings.mRenamedPackages.get(names[i]); 3124 out[i] = cur != null ? cur : names[i]; 3125 } 3126 } 3127 return out; 3128 } 3129 3130 @Override 3131 public int getPackageUid(String packageName, int flags, int userId) { 3132 if (!sUserManager.exists(userId)) return -1; 3133 flags = updateFlagsForPackage(flags, userId, packageName); 3134 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3135 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3136 3137 // reader 3138 synchronized (mPackages) { 3139 final PackageParser.Package p = mPackages.get(packageName); 3140 if (p != null && p.isMatch(flags)) { 3141 return UserHandle.getUid(userId, p.applicationInfo.uid); 3142 } 3143 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3144 final PackageSetting ps = mSettings.mPackages.get(packageName); 3145 if (ps != null && ps.isMatch(flags)) { 3146 return UserHandle.getUid(userId, ps.appId); 3147 } 3148 } 3149 } 3150 3151 return -1; 3152 } 3153 3154 @Override 3155 public int[] getPackageGids(String packageName, int flags, int userId) { 3156 if (!sUserManager.exists(userId)) return null; 3157 flags = updateFlagsForPackage(flags, userId, packageName); 3158 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3159 false /* requireFullPermission */, false /* checkShell */, 3160 "getPackageGids"); 3161 3162 // reader 3163 synchronized (mPackages) { 3164 final PackageParser.Package p = mPackages.get(packageName); 3165 if (p != null && p.isMatch(flags)) { 3166 PackageSetting ps = (PackageSetting) p.mExtras; 3167 return ps.getPermissionsState().computeGids(userId); 3168 } 3169 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3170 final PackageSetting ps = mSettings.mPackages.get(packageName); 3171 if (ps != null && ps.isMatch(flags)) { 3172 return ps.getPermissionsState().computeGids(userId); 3173 } 3174 } 3175 } 3176 3177 return null; 3178 } 3179 3180 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3181 if (bp.perm != null) { 3182 return PackageParser.generatePermissionInfo(bp.perm, flags); 3183 } 3184 PermissionInfo pi = new PermissionInfo(); 3185 pi.name = bp.name; 3186 pi.packageName = bp.sourcePackage; 3187 pi.nonLocalizedLabel = bp.name; 3188 pi.protectionLevel = bp.protectionLevel; 3189 return pi; 3190 } 3191 3192 @Override 3193 public PermissionInfo getPermissionInfo(String name, int flags) { 3194 // reader 3195 synchronized (mPackages) { 3196 final BasePermission p = mSettings.mPermissions.get(name); 3197 if (p != null) { 3198 return generatePermissionInfo(p, flags); 3199 } 3200 return null; 3201 } 3202 } 3203 3204 @Override 3205 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3206 int flags) { 3207 // reader 3208 synchronized (mPackages) { 3209 if (group != null && !mPermissionGroups.containsKey(group)) { 3210 // This is thrown as NameNotFoundException 3211 return null; 3212 } 3213 3214 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3215 for (BasePermission p : mSettings.mPermissions.values()) { 3216 if (group == null) { 3217 if (p.perm == null || p.perm.info.group == null) { 3218 out.add(generatePermissionInfo(p, flags)); 3219 } 3220 } else { 3221 if (p.perm != null && group.equals(p.perm.info.group)) { 3222 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3223 } 3224 } 3225 } 3226 return new ParceledListSlice<>(out); 3227 } 3228 } 3229 3230 @Override 3231 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3232 // reader 3233 synchronized (mPackages) { 3234 return PackageParser.generatePermissionGroupInfo( 3235 mPermissionGroups.get(name), flags); 3236 } 3237 } 3238 3239 @Override 3240 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3241 // reader 3242 synchronized (mPackages) { 3243 final int N = mPermissionGroups.size(); 3244 ArrayList<PermissionGroupInfo> out 3245 = new ArrayList<PermissionGroupInfo>(N); 3246 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3247 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3248 } 3249 return new ParceledListSlice<>(out); 3250 } 3251 } 3252 3253 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3254 int userId) { 3255 if (!sUserManager.exists(userId)) return null; 3256 PackageSetting ps = mSettings.mPackages.get(packageName); 3257 if (ps != null) { 3258 if (ps.pkg == null) { 3259 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3260 if (pInfo != null) { 3261 return pInfo.applicationInfo; 3262 } 3263 return null; 3264 } 3265 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3266 ps.readUserState(userId), userId); 3267 } 3268 return null; 3269 } 3270 3271 @Override 3272 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3273 if (!sUserManager.exists(userId)) return null; 3274 flags = updateFlagsForApplication(flags, userId, packageName); 3275 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3276 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3277 // writer 3278 synchronized (mPackages) { 3279 PackageParser.Package p = mPackages.get(packageName); 3280 if (DEBUG_PACKAGE_INFO) Log.v( 3281 TAG, "getApplicationInfo " + packageName 3282 + ": " + p); 3283 if (p != null) { 3284 PackageSetting ps = mSettings.mPackages.get(packageName); 3285 if (ps == null) return null; 3286 // Note: isEnabledLP() does not apply here - always return info 3287 return PackageParser.generateApplicationInfo( 3288 p, flags, ps.readUserState(userId), userId); 3289 } 3290 if ("android".equals(packageName)||"system".equals(packageName)) { 3291 return mAndroidApplication; 3292 } 3293 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3294 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3295 } 3296 } 3297 return null; 3298 } 3299 3300 @Override 3301 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3302 final IPackageDataObserver observer) { 3303 mContext.enforceCallingOrSelfPermission( 3304 android.Manifest.permission.CLEAR_APP_CACHE, null); 3305 // Queue up an async operation since clearing cache may take a little while. 3306 mHandler.post(new Runnable() { 3307 public void run() { 3308 mHandler.removeCallbacks(this); 3309 boolean success = true; 3310 synchronized (mInstallLock) { 3311 try { 3312 mInstaller.freeCache(volumeUuid, freeStorageSize); 3313 } catch (InstallerException e) { 3314 Slog.w(TAG, "Couldn't clear application caches: " + e); 3315 success = false; 3316 } 3317 } 3318 if (observer != null) { 3319 try { 3320 observer.onRemoveCompleted(null, success); 3321 } catch (RemoteException e) { 3322 Slog.w(TAG, "RemoveException when invoking call back"); 3323 } 3324 } 3325 } 3326 }); 3327 } 3328 3329 @Override 3330 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3331 final IntentSender pi) { 3332 mContext.enforceCallingOrSelfPermission( 3333 android.Manifest.permission.CLEAR_APP_CACHE, null); 3334 // Queue up an async operation since clearing cache may take a little while. 3335 mHandler.post(new Runnable() { 3336 public void run() { 3337 mHandler.removeCallbacks(this); 3338 boolean success = true; 3339 synchronized (mInstallLock) { 3340 try { 3341 mInstaller.freeCache(volumeUuid, freeStorageSize); 3342 } catch (InstallerException e) { 3343 Slog.w(TAG, "Couldn't clear application caches: " + e); 3344 success = false; 3345 } 3346 } 3347 if(pi != null) { 3348 try { 3349 // Callback via pending intent 3350 int code = success ? 1 : 0; 3351 pi.sendIntent(null, code, null, 3352 null, null); 3353 } catch (SendIntentException e1) { 3354 Slog.i(TAG, "Failed to send pending intent"); 3355 } 3356 } 3357 } 3358 }); 3359 } 3360 3361 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3362 synchronized (mInstallLock) { 3363 try { 3364 mInstaller.freeCache(volumeUuid, freeStorageSize); 3365 } catch (InstallerException e) { 3366 throw new IOException("Failed to free enough space", e); 3367 } 3368 } 3369 } 3370 3371 /** 3372 * Update given flags based on encryption status of current user. 3373 */ 3374 private int updateFlags(int flags, int userId) { 3375 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3376 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3377 // Caller expressed an explicit opinion about what encryption 3378 // aware/unaware components they want to see, so fall through and 3379 // give them what they want 3380 } else { 3381 // Caller expressed no opinion, so match based on user state 3382 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3383 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3384 } else { 3385 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3386 } 3387 } 3388 return flags; 3389 } 3390 3391 private UserManagerInternal getUserManagerInternal() { 3392 if (mUserManagerInternal == null) { 3393 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3394 } 3395 return mUserManagerInternal; 3396 } 3397 3398 /** 3399 * Update given flags when being used to request {@link PackageInfo}. 3400 */ 3401 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3402 boolean triaged = true; 3403 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3404 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3405 // Caller is asking for component details, so they'd better be 3406 // asking for specific encryption matching behavior, or be triaged 3407 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3408 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3409 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3410 triaged = false; 3411 } 3412 } 3413 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3414 | PackageManager.MATCH_SYSTEM_ONLY 3415 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3416 triaged = false; 3417 } 3418 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3419 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3420 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3421 } 3422 return updateFlags(flags, userId); 3423 } 3424 3425 /** 3426 * Update given flags when being used to request {@link ApplicationInfo}. 3427 */ 3428 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3429 return updateFlagsForPackage(flags, userId, cookie); 3430 } 3431 3432 /** 3433 * Update given flags when being used to request {@link ComponentInfo}. 3434 */ 3435 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3436 if (cookie instanceof Intent) { 3437 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3438 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3439 } 3440 } 3441 3442 boolean triaged = true; 3443 // Caller is asking for component details, so they'd better be 3444 // asking for specific encryption matching behavior, or be triaged 3445 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3446 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3447 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3448 triaged = false; 3449 } 3450 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3451 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3452 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3453 } 3454 3455 return updateFlags(flags, userId); 3456 } 3457 3458 /** 3459 * Update given flags when being used to request {@link ResolveInfo}. 3460 */ 3461 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3462 // Safe mode means we shouldn't match any third-party components 3463 if (mSafeMode) { 3464 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3465 } 3466 3467 return updateFlagsForComponent(flags, userId, cookie); 3468 } 3469 3470 @Override 3471 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3472 if (!sUserManager.exists(userId)) return null; 3473 flags = updateFlagsForComponent(flags, userId, component); 3474 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3475 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3476 synchronized (mPackages) { 3477 PackageParser.Activity a = mActivities.mActivities.get(component); 3478 3479 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3480 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3481 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3482 if (ps == null) return null; 3483 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3484 userId); 3485 } 3486 if (mResolveComponentName.equals(component)) { 3487 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3488 new PackageUserState(), userId); 3489 } 3490 } 3491 return null; 3492 } 3493 3494 @Override 3495 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3496 String resolvedType) { 3497 synchronized (mPackages) { 3498 if (component.equals(mResolveComponentName)) { 3499 // The resolver supports EVERYTHING! 3500 return true; 3501 } 3502 PackageParser.Activity a = mActivities.mActivities.get(component); 3503 if (a == null) { 3504 return false; 3505 } 3506 for (int i=0; i<a.intents.size(); i++) { 3507 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3508 intent.getData(), intent.getCategories(), TAG) >= 0) { 3509 return true; 3510 } 3511 } 3512 return false; 3513 } 3514 } 3515 3516 @Override 3517 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3518 if (!sUserManager.exists(userId)) return null; 3519 flags = updateFlagsForComponent(flags, userId, component); 3520 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3521 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3522 synchronized (mPackages) { 3523 PackageParser.Activity a = mReceivers.mActivities.get(component); 3524 if (DEBUG_PACKAGE_INFO) Log.v( 3525 TAG, "getReceiverInfo " + component + ": " + a); 3526 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3527 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3528 if (ps == null) return null; 3529 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3530 userId); 3531 } 3532 } 3533 return null; 3534 } 3535 3536 @Override 3537 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3538 if (!sUserManager.exists(userId)) return null; 3539 flags = updateFlagsForComponent(flags, userId, component); 3540 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3541 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3542 synchronized (mPackages) { 3543 PackageParser.Service s = mServices.mServices.get(component); 3544 if (DEBUG_PACKAGE_INFO) Log.v( 3545 TAG, "getServiceInfo " + component + ": " + s); 3546 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3547 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3548 if (ps == null) return null; 3549 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3550 userId); 3551 } 3552 } 3553 return null; 3554 } 3555 3556 @Override 3557 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3558 if (!sUserManager.exists(userId)) return null; 3559 flags = updateFlagsForComponent(flags, userId, component); 3560 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3561 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3562 synchronized (mPackages) { 3563 PackageParser.Provider p = mProviders.mProviders.get(component); 3564 if (DEBUG_PACKAGE_INFO) Log.v( 3565 TAG, "getProviderInfo " + component + ": " + p); 3566 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3567 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3568 if (ps == null) return null; 3569 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3570 userId); 3571 } 3572 } 3573 return null; 3574 } 3575 3576 @Override 3577 public String[] getSystemSharedLibraryNames() { 3578 Set<String> libSet; 3579 synchronized (mPackages) { 3580 libSet = mSharedLibraries.keySet(); 3581 int size = libSet.size(); 3582 if (size > 0) { 3583 String[] libs = new String[size]; 3584 libSet.toArray(libs); 3585 return libs; 3586 } 3587 } 3588 return null; 3589 } 3590 3591 @Override 3592 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3593 synchronized (mPackages) { 3594 return mServicesSystemSharedLibraryPackageName; 3595 } 3596 } 3597 3598 @Override 3599 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3600 synchronized (mPackages) { 3601 return mSharedSystemSharedLibraryPackageName; 3602 } 3603 } 3604 3605 @Override 3606 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3607 synchronized (mPackages) { 3608 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3609 3610 final FeatureInfo fi = new FeatureInfo(); 3611 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3612 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3613 res.add(fi); 3614 3615 return new ParceledListSlice<>(res); 3616 } 3617 } 3618 3619 @Override 3620 public boolean hasSystemFeature(String name, int version) { 3621 synchronized (mPackages) { 3622 final FeatureInfo feat = mAvailableFeatures.get(name); 3623 if (feat == null) { 3624 return false; 3625 } else { 3626 return feat.version >= version; 3627 } 3628 } 3629 } 3630 3631 @Override 3632 public int checkPermission(String permName, String pkgName, int userId) { 3633 if (!sUserManager.exists(userId)) { 3634 return PackageManager.PERMISSION_DENIED; 3635 } 3636 3637 synchronized (mPackages) { 3638 final PackageParser.Package p = mPackages.get(pkgName); 3639 if (p != null && p.mExtras != null) { 3640 final PackageSetting ps = (PackageSetting) p.mExtras; 3641 final PermissionsState permissionsState = ps.getPermissionsState(); 3642 if (permissionsState.hasPermission(permName, userId)) { 3643 return PackageManager.PERMISSION_GRANTED; 3644 } 3645 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3646 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3647 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3648 return PackageManager.PERMISSION_GRANTED; 3649 } 3650 } 3651 } 3652 3653 return PackageManager.PERMISSION_DENIED; 3654 } 3655 3656 @Override 3657 public int checkUidPermission(String permName, int uid) { 3658 final int userId = UserHandle.getUserId(uid); 3659 3660 if (!sUserManager.exists(userId)) { 3661 return PackageManager.PERMISSION_DENIED; 3662 } 3663 3664 synchronized (mPackages) { 3665 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3666 if (obj != null) { 3667 final SettingBase ps = (SettingBase) obj; 3668 final PermissionsState permissionsState = ps.getPermissionsState(); 3669 if (permissionsState.hasPermission(permName, userId)) { 3670 return PackageManager.PERMISSION_GRANTED; 3671 } 3672 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3673 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3674 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3675 return PackageManager.PERMISSION_GRANTED; 3676 } 3677 } else { 3678 ArraySet<String> perms = mSystemPermissions.get(uid); 3679 if (perms != null) { 3680 if (perms.contains(permName)) { 3681 return PackageManager.PERMISSION_GRANTED; 3682 } 3683 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3684 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3685 return PackageManager.PERMISSION_GRANTED; 3686 } 3687 } 3688 } 3689 } 3690 3691 return PackageManager.PERMISSION_DENIED; 3692 } 3693 3694 @Override 3695 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3696 if (UserHandle.getCallingUserId() != userId) { 3697 mContext.enforceCallingPermission( 3698 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3699 "isPermissionRevokedByPolicy for user " + userId); 3700 } 3701 3702 if (checkPermission(permission, packageName, userId) 3703 == PackageManager.PERMISSION_GRANTED) { 3704 return false; 3705 } 3706 3707 final long identity = Binder.clearCallingIdentity(); 3708 try { 3709 final int flags = getPermissionFlags(permission, packageName, userId); 3710 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3711 } finally { 3712 Binder.restoreCallingIdentity(identity); 3713 } 3714 } 3715 3716 @Override 3717 public String getPermissionControllerPackageName() { 3718 synchronized (mPackages) { 3719 return mRequiredInstallerPackage; 3720 } 3721 } 3722 3723 /** 3724 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3725 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3726 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3727 * @param message the message to log on security exception 3728 */ 3729 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3730 boolean checkShell, String message) { 3731 if (userId < 0) { 3732 throw new IllegalArgumentException("Invalid userId " + userId); 3733 } 3734 if (checkShell) { 3735 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3736 } 3737 if (userId == UserHandle.getUserId(callingUid)) return; 3738 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3739 if (requireFullPermission) { 3740 mContext.enforceCallingOrSelfPermission( 3741 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3742 } else { 3743 try { 3744 mContext.enforceCallingOrSelfPermission( 3745 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3746 } catch (SecurityException se) { 3747 mContext.enforceCallingOrSelfPermission( 3748 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3749 } 3750 } 3751 } 3752 } 3753 3754 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3755 if (callingUid == Process.SHELL_UID) { 3756 if (userHandle >= 0 3757 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3758 throw new SecurityException("Shell does not have permission to access user " 3759 + userHandle); 3760 } else if (userHandle < 0) { 3761 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3762 + Debug.getCallers(3)); 3763 } 3764 } 3765 } 3766 3767 private BasePermission findPermissionTreeLP(String permName) { 3768 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3769 if (permName.startsWith(bp.name) && 3770 permName.length() > bp.name.length() && 3771 permName.charAt(bp.name.length()) == '.') { 3772 return bp; 3773 } 3774 } 3775 return null; 3776 } 3777 3778 private BasePermission checkPermissionTreeLP(String permName) { 3779 if (permName != null) { 3780 BasePermission bp = findPermissionTreeLP(permName); 3781 if (bp != null) { 3782 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3783 return bp; 3784 } 3785 throw new SecurityException("Calling uid " 3786 + Binder.getCallingUid() 3787 + " is not allowed to add to permission tree " 3788 + bp.name + " owned by uid " + bp.uid); 3789 } 3790 } 3791 throw new SecurityException("No permission tree found for " + permName); 3792 } 3793 3794 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3795 if (s1 == null) { 3796 return s2 == null; 3797 } 3798 if (s2 == null) { 3799 return false; 3800 } 3801 if (s1.getClass() != s2.getClass()) { 3802 return false; 3803 } 3804 return s1.equals(s2); 3805 } 3806 3807 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3808 if (pi1.icon != pi2.icon) return false; 3809 if (pi1.logo != pi2.logo) return false; 3810 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3811 if (!compareStrings(pi1.name, pi2.name)) return false; 3812 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3813 // We'll take care of setting this one. 3814 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3815 // These are not currently stored in settings. 3816 //if (!compareStrings(pi1.group, pi2.group)) return false; 3817 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3818 //if (pi1.labelRes != pi2.labelRes) return false; 3819 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3820 return true; 3821 } 3822 3823 int permissionInfoFootprint(PermissionInfo info) { 3824 int size = info.name.length(); 3825 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3826 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3827 return size; 3828 } 3829 3830 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3831 int size = 0; 3832 for (BasePermission perm : mSettings.mPermissions.values()) { 3833 if (perm.uid == tree.uid) { 3834 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3835 } 3836 } 3837 return size; 3838 } 3839 3840 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3841 // We calculate the max size of permissions defined by this uid and throw 3842 // if that plus the size of 'info' would exceed our stated maximum. 3843 if (tree.uid != Process.SYSTEM_UID) { 3844 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3845 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3846 throw new SecurityException("Permission tree size cap exceeded"); 3847 } 3848 } 3849 } 3850 3851 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3852 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3853 throw new SecurityException("Label must be specified in permission"); 3854 } 3855 BasePermission tree = checkPermissionTreeLP(info.name); 3856 BasePermission bp = mSettings.mPermissions.get(info.name); 3857 boolean added = bp == null; 3858 boolean changed = true; 3859 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3860 if (added) { 3861 enforcePermissionCapLocked(info, tree); 3862 bp = new BasePermission(info.name, tree.sourcePackage, 3863 BasePermission.TYPE_DYNAMIC); 3864 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3865 throw new SecurityException( 3866 "Not allowed to modify non-dynamic permission " 3867 + info.name); 3868 } else { 3869 if (bp.protectionLevel == fixedLevel 3870 && bp.perm.owner.equals(tree.perm.owner) 3871 && bp.uid == tree.uid 3872 && comparePermissionInfos(bp.perm.info, info)) { 3873 changed = false; 3874 } 3875 } 3876 bp.protectionLevel = fixedLevel; 3877 info = new PermissionInfo(info); 3878 info.protectionLevel = fixedLevel; 3879 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3880 bp.perm.info.packageName = tree.perm.info.packageName; 3881 bp.uid = tree.uid; 3882 if (added) { 3883 mSettings.mPermissions.put(info.name, bp); 3884 } 3885 if (changed) { 3886 if (!async) { 3887 mSettings.writeLPr(); 3888 } else { 3889 scheduleWriteSettingsLocked(); 3890 } 3891 } 3892 return added; 3893 } 3894 3895 @Override 3896 public boolean addPermission(PermissionInfo info) { 3897 synchronized (mPackages) { 3898 return addPermissionLocked(info, false); 3899 } 3900 } 3901 3902 @Override 3903 public boolean addPermissionAsync(PermissionInfo info) { 3904 synchronized (mPackages) { 3905 return addPermissionLocked(info, true); 3906 } 3907 } 3908 3909 @Override 3910 public void removePermission(String name) { 3911 synchronized (mPackages) { 3912 checkPermissionTreeLP(name); 3913 BasePermission bp = mSettings.mPermissions.get(name); 3914 if (bp != null) { 3915 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3916 throw new SecurityException( 3917 "Not allowed to modify non-dynamic permission " 3918 + name); 3919 } 3920 mSettings.mPermissions.remove(name); 3921 mSettings.writeLPr(); 3922 } 3923 } 3924 } 3925 3926 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3927 BasePermission bp) { 3928 int index = pkg.requestedPermissions.indexOf(bp.name); 3929 if (index == -1) { 3930 throw new SecurityException("Package " + pkg.packageName 3931 + " has not requested permission " + bp.name); 3932 } 3933 if (!bp.isRuntime() && !bp.isDevelopment()) { 3934 throw new SecurityException("Permission " + bp.name 3935 + " is not a changeable permission type"); 3936 } 3937 } 3938 3939 @Override 3940 public void grantRuntimePermission(String packageName, String name, final int userId) { 3941 if (!sUserManager.exists(userId)) { 3942 Log.e(TAG, "No such user:" + userId); 3943 return; 3944 } 3945 3946 mContext.enforceCallingOrSelfPermission( 3947 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3948 "grantRuntimePermission"); 3949 3950 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3951 true /* requireFullPermission */, true /* checkShell */, 3952 "grantRuntimePermission"); 3953 3954 final int uid; 3955 final SettingBase sb; 3956 3957 synchronized (mPackages) { 3958 final PackageParser.Package pkg = mPackages.get(packageName); 3959 if (pkg == null) { 3960 throw new IllegalArgumentException("Unknown package: " + packageName); 3961 } 3962 3963 final BasePermission bp = mSettings.mPermissions.get(name); 3964 if (bp == null) { 3965 throw new IllegalArgumentException("Unknown permission: " + name); 3966 } 3967 3968 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3969 3970 // If a permission review is required for legacy apps we represent 3971 // their permissions as always granted runtime ones since we need 3972 // to keep the review required permission flag per user while an 3973 // install permission's state is shared across all users. 3974 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 3975 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3976 && bp.isRuntime()) { 3977 return; 3978 } 3979 3980 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3981 sb = (SettingBase) pkg.mExtras; 3982 if (sb == null) { 3983 throw new IllegalArgumentException("Unknown package: " + packageName); 3984 } 3985 3986 final PermissionsState permissionsState = sb.getPermissionsState(); 3987 3988 final int flags = permissionsState.getPermissionFlags(name, userId); 3989 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3990 throw new SecurityException("Cannot grant system fixed permission " 3991 + name + " for package " + packageName); 3992 } 3993 3994 if (bp.isDevelopment()) { 3995 // Development permissions must be handled specially, since they are not 3996 // normal runtime permissions. For now they apply to all users. 3997 if (permissionsState.grantInstallPermission(bp) != 3998 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3999 scheduleWriteSettingsLocked(); 4000 } 4001 return; 4002 } 4003 4004 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4005 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4006 return; 4007 } 4008 4009 final int result = permissionsState.grantRuntimePermission(bp, userId); 4010 switch (result) { 4011 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4012 return; 4013 } 4014 4015 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4016 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4017 mHandler.post(new Runnable() { 4018 @Override 4019 public void run() { 4020 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4021 } 4022 }); 4023 } 4024 break; 4025 } 4026 4027 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4028 4029 // Not critical if that is lost - app has to request again. 4030 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4031 } 4032 4033 // Only need to do this if user is initialized. Otherwise it's a new user 4034 // and there are no processes running as the user yet and there's no need 4035 // to make an expensive call to remount processes for the changed permissions. 4036 if (READ_EXTERNAL_STORAGE.equals(name) 4037 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4038 final long token = Binder.clearCallingIdentity(); 4039 try { 4040 if (sUserManager.isInitialized(userId)) { 4041 MountServiceInternal mountServiceInternal = LocalServices.getService( 4042 MountServiceInternal.class); 4043 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4044 } 4045 } finally { 4046 Binder.restoreCallingIdentity(token); 4047 } 4048 } 4049 } 4050 4051 @Override 4052 public void revokeRuntimePermission(String packageName, String name, int userId) { 4053 if (!sUserManager.exists(userId)) { 4054 Log.e(TAG, "No such user:" + userId); 4055 return; 4056 } 4057 4058 mContext.enforceCallingOrSelfPermission( 4059 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4060 "revokeRuntimePermission"); 4061 4062 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4063 true /* requireFullPermission */, true /* checkShell */, 4064 "revokeRuntimePermission"); 4065 4066 final int appId; 4067 4068 synchronized (mPackages) { 4069 final PackageParser.Package pkg = mPackages.get(packageName); 4070 if (pkg == null) { 4071 throw new IllegalArgumentException("Unknown package: " + packageName); 4072 } 4073 4074 final BasePermission bp = mSettings.mPermissions.get(name); 4075 if (bp == null) { 4076 throw new IllegalArgumentException("Unknown permission: " + name); 4077 } 4078 4079 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4080 4081 // If a permission review is required for legacy apps we represent 4082 // their permissions as always granted runtime ones since we need 4083 // to keep the review required permission flag per user while an 4084 // install permission's state is shared across all users. 4085 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 4086 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4087 && bp.isRuntime()) { 4088 return; 4089 } 4090 4091 SettingBase sb = (SettingBase) pkg.mExtras; 4092 if (sb == null) { 4093 throw new IllegalArgumentException("Unknown package: " + packageName); 4094 } 4095 4096 final PermissionsState permissionsState = sb.getPermissionsState(); 4097 4098 final int flags = permissionsState.getPermissionFlags(name, userId); 4099 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4100 throw new SecurityException("Cannot revoke system fixed permission " 4101 + name + " for package " + packageName); 4102 } 4103 4104 if (bp.isDevelopment()) { 4105 // Development permissions must be handled specially, since they are not 4106 // normal runtime permissions. For now they apply to all users. 4107 if (permissionsState.revokeInstallPermission(bp) != 4108 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4109 scheduleWriteSettingsLocked(); 4110 } 4111 return; 4112 } 4113 4114 if (permissionsState.revokeRuntimePermission(bp, userId) == 4115 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4116 return; 4117 } 4118 4119 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4120 4121 // Critical, after this call app should never have the permission. 4122 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4123 4124 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4125 } 4126 4127 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4128 } 4129 4130 @Override 4131 public void resetRuntimePermissions() { 4132 mContext.enforceCallingOrSelfPermission( 4133 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4134 "revokeRuntimePermission"); 4135 4136 int callingUid = Binder.getCallingUid(); 4137 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4138 mContext.enforceCallingOrSelfPermission( 4139 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4140 "resetRuntimePermissions"); 4141 } 4142 4143 synchronized (mPackages) { 4144 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4145 for (int userId : UserManagerService.getInstance().getUserIds()) { 4146 final int packageCount = mPackages.size(); 4147 for (int i = 0; i < packageCount; i++) { 4148 PackageParser.Package pkg = mPackages.valueAt(i); 4149 if (!(pkg.mExtras instanceof PackageSetting)) { 4150 continue; 4151 } 4152 PackageSetting ps = (PackageSetting) pkg.mExtras; 4153 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4154 } 4155 } 4156 } 4157 } 4158 4159 @Override 4160 public int getPermissionFlags(String name, String packageName, int userId) { 4161 if (!sUserManager.exists(userId)) { 4162 return 0; 4163 } 4164 4165 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4166 4167 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4168 true /* requireFullPermission */, false /* checkShell */, 4169 "getPermissionFlags"); 4170 4171 synchronized (mPackages) { 4172 final PackageParser.Package pkg = mPackages.get(packageName); 4173 if (pkg == null) { 4174 return 0; 4175 } 4176 4177 final BasePermission bp = mSettings.mPermissions.get(name); 4178 if (bp == null) { 4179 return 0; 4180 } 4181 4182 SettingBase sb = (SettingBase) pkg.mExtras; 4183 if (sb == null) { 4184 return 0; 4185 } 4186 4187 PermissionsState permissionsState = sb.getPermissionsState(); 4188 return permissionsState.getPermissionFlags(name, userId); 4189 } 4190 } 4191 4192 @Override 4193 public void updatePermissionFlags(String name, String packageName, int flagMask, 4194 int flagValues, int userId) { 4195 if (!sUserManager.exists(userId)) { 4196 return; 4197 } 4198 4199 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4200 4201 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4202 true /* requireFullPermission */, true /* checkShell */, 4203 "updatePermissionFlags"); 4204 4205 // Only the system can change these flags and nothing else. 4206 if (getCallingUid() != Process.SYSTEM_UID) { 4207 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4208 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4209 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4210 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4211 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4212 } 4213 4214 synchronized (mPackages) { 4215 final PackageParser.Package pkg = mPackages.get(packageName); 4216 if (pkg == null) { 4217 throw new IllegalArgumentException("Unknown package: " + packageName); 4218 } 4219 4220 final BasePermission bp = mSettings.mPermissions.get(name); 4221 if (bp == null) { 4222 throw new IllegalArgumentException("Unknown permission: " + name); 4223 } 4224 4225 SettingBase sb = (SettingBase) pkg.mExtras; 4226 if (sb == null) { 4227 throw new IllegalArgumentException("Unknown package: " + packageName); 4228 } 4229 4230 PermissionsState permissionsState = sb.getPermissionsState(); 4231 4232 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4233 4234 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4235 // Install and runtime permissions are stored in different places, 4236 // so figure out what permission changed and persist the change. 4237 if (permissionsState.getInstallPermissionState(name) != null) { 4238 scheduleWriteSettingsLocked(); 4239 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4240 || hadState) { 4241 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4242 } 4243 } 4244 } 4245 } 4246 4247 /** 4248 * Update the permission flags for all packages and runtime permissions of a user in order 4249 * to allow device or profile owner to remove POLICY_FIXED. 4250 */ 4251 @Override 4252 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4253 if (!sUserManager.exists(userId)) { 4254 return; 4255 } 4256 4257 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4258 4259 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4260 true /* requireFullPermission */, true /* checkShell */, 4261 "updatePermissionFlagsForAllApps"); 4262 4263 // Only the system can change system fixed flags. 4264 if (getCallingUid() != Process.SYSTEM_UID) { 4265 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4266 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4267 } 4268 4269 synchronized (mPackages) { 4270 boolean changed = false; 4271 final int packageCount = mPackages.size(); 4272 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4273 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4274 SettingBase sb = (SettingBase) pkg.mExtras; 4275 if (sb == null) { 4276 continue; 4277 } 4278 PermissionsState permissionsState = sb.getPermissionsState(); 4279 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4280 userId, flagMask, flagValues); 4281 } 4282 if (changed) { 4283 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4284 } 4285 } 4286 } 4287 4288 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4289 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4290 != PackageManager.PERMISSION_GRANTED 4291 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4292 != PackageManager.PERMISSION_GRANTED) { 4293 throw new SecurityException(message + " requires " 4294 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4295 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4296 } 4297 } 4298 4299 @Override 4300 public boolean shouldShowRequestPermissionRationale(String permissionName, 4301 String packageName, int userId) { 4302 if (UserHandle.getCallingUserId() != userId) { 4303 mContext.enforceCallingPermission( 4304 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4305 "canShowRequestPermissionRationale for user " + userId); 4306 } 4307 4308 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4309 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4310 return false; 4311 } 4312 4313 if (checkPermission(permissionName, packageName, userId) 4314 == PackageManager.PERMISSION_GRANTED) { 4315 return false; 4316 } 4317 4318 final int flags; 4319 4320 final long identity = Binder.clearCallingIdentity(); 4321 try { 4322 flags = getPermissionFlags(permissionName, 4323 packageName, userId); 4324 } finally { 4325 Binder.restoreCallingIdentity(identity); 4326 } 4327 4328 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4329 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4330 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4331 4332 if ((flags & fixedFlags) != 0) { 4333 return false; 4334 } 4335 4336 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4337 } 4338 4339 @Override 4340 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4341 mContext.enforceCallingOrSelfPermission( 4342 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4343 "addOnPermissionsChangeListener"); 4344 4345 synchronized (mPackages) { 4346 mOnPermissionChangeListeners.addListenerLocked(listener); 4347 } 4348 } 4349 4350 @Override 4351 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4352 synchronized (mPackages) { 4353 mOnPermissionChangeListeners.removeListenerLocked(listener); 4354 } 4355 } 4356 4357 @Override 4358 public boolean isProtectedBroadcast(String actionName) { 4359 synchronized (mPackages) { 4360 if (mProtectedBroadcasts.contains(actionName)) { 4361 return true; 4362 } else if (actionName != null) { 4363 // TODO: remove these terrible hacks 4364 if (actionName.startsWith("android.net.netmon.lingerExpired") 4365 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4366 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4367 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4368 return true; 4369 } 4370 } 4371 } 4372 return false; 4373 } 4374 4375 @Override 4376 public int checkSignatures(String pkg1, String pkg2) { 4377 synchronized (mPackages) { 4378 final PackageParser.Package p1 = mPackages.get(pkg1); 4379 final PackageParser.Package p2 = mPackages.get(pkg2); 4380 if (p1 == null || p1.mExtras == null 4381 || p2 == null || p2.mExtras == null) { 4382 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4383 } 4384 return compareSignatures(p1.mSignatures, p2.mSignatures); 4385 } 4386 } 4387 4388 @Override 4389 public int checkUidSignatures(int uid1, int uid2) { 4390 // Map to base uids. 4391 uid1 = UserHandle.getAppId(uid1); 4392 uid2 = UserHandle.getAppId(uid2); 4393 // reader 4394 synchronized (mPackages) { 4395 Signature[] s1; 4396 Signature[] s2; 4397 Object obj = mSettings.getUserIdLPr(uid1); 4398 if (obj != null) { 4399 if (obj instanceof SharedUserSetting) { 4400 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4401 } else if (obj instanceof PackageSetting) { 4402 s1 = ((PackageSetting)obj).signatures.mSignatures; 4403 } else { 4404 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4405 } 4406 } else { 4407 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4408 } 4409 obj = mSettings.getUserIdLPr(uid2); 4410 if (obj != null) { 4411 if (obj instanceof SharedUserSetting) { 4412 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4413 } else if (obj instanceof PackageSetting) { 4414 s2 = ((PackageSetting)obj).signatures.mSignatures; 4415 } else { 4416 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4417 } 4418 } else { 4419 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4420 } 4421 return compareSignatures(s1, s2); 4422 } 4423 } 4424 4425 /** 4426 * This method should typically only be used when granting or revoking 4427 * permissions, since the app may immediately restart after this call. 4428 * <p> 4429 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4430 * guard your work against the app being relaunched. 4431 */ 4432 private void killUid(int appId, int userId, String reason) { 4433 final long identity = Binder.clearCallingIdentity(); 4434 try { 4435 IActivityManager am = ActivityManagerNative.getDefault(); 4436 if (am != null) { 4437 try { 4438 am.killUid(appId, userId, reason); 4439 } catch (RemoteException e) { 4440 /* ignore - same process */ 4441 } 4442 } 4443 } finally { 4444 Binder.restoreCallingIdentity(identity); 4445 } 4446 } 4447 4448 /** 4449 * Compares two sets of signatures. Returns: 4450 * <br /> 4451 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4452 * <br /> 4453 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4454 * <br /> 4455 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4456 * <br /> 4457 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4458 * <br /> 4459 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4460 */ 4461 static int compareSignatures(Signature[] s1, Signature[] s2) { 4462 if (s1 == null) { 4463 return s2 == null 4464 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4465 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4466 } 4467 4468 if (s2 == null) { 4469 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4470 } 4471 4472 if (s1.length != s2.length) { 4473 return PackageManager.SIGNATURE_NO_MATCH; 4474 } 4475 4476 // Since both signature sets are of size 1, we can compare without HashSets. 4477 if (s1.length == 1) { 4478 return s1[0].equals(s2[0]) ? 4479 PackageManager.SIGNATURE_MATCH : 4480 PackageManager.SIGNATURE_NO_MATCH; 4481 } 4482 4483 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4484 for (Signature sig : s1) { 4485 set1.add(sig); 4486 } 4487 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4488 for (Signature sig : s2) { 4489 set2.add(sig); 4490 } 4491 // Make sure s2 contains all signatures in s1. 4492 if (set1.equals(set2)) { 4493 return PackageManager.SIGNATURE_MATCH; 4494 } 4495 return PackageManager.SIGNATURE_NO_MATCH; 4496 } 4497 4498 /** 4499 * If the database version for this type of package (internal storage or 4500 * external storage) is less than the version where package signatures 4501 * were updated, return true. 4502 */ 4503 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4504 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4505 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4506 } 4507 4508 /** 4509 * Used for backward compatibility to make sure any packages with 4510 * certificate chains get upgraded to the new style. {@code existingSigs} 4511 * will be in the old format (since they were stored on disk from before the 4512 * system upgrade) and {@code scannedSigs} will be in the newer format. 4513 */ 4514 private int compareSignaturesCompat(PackageSignatures existingSigs, 4515 PackageParser.Package scannedPkg) { 4516 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4517 return PackageManager.SIGNATURE_NO_MATCH; 4518 } 4519 4520 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4521 for (Signature sig : existingSigs.mSignatures) { 4522 existingSet.add(sig); 4523 } 4524 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4525 for (Signature sig : scannedPkg.mSignatures) { 4526 try { 4527 Signature[] chainSignatures = sig.getChainSignatures(); 4528 for (Signature chainSig : chainSignatures) { 4529 scannedCompatSet.add(chainSig); 4530 } 4531 } catch (CertificateEncodingException e) { 4532 scannedCompatSet.add(sig); 4533 } 4534 } 4535 /* 4536 * Make sure the expanded scanned set contains all signatures in the 4537 * existing one. 4538 */ 4539 if (scannedCompatSet.equals(existingSet)) { 4540 // Migrate the old signatures to the new scheme. 4541 existingSigs.assignSignatures(scannedPkg.mSignatures); 4542 // The new KeySets will be re-added later in the scanning process. 4543 synchronized (mPackages) { 4544 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4545 } 4546 return PackageManager.SIGNATURE_MATCH; 4547 } 4548 return PackageManager.SIGNATURE_NO_MATCH; 4549 } 4550 4551 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4552 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4553 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4554 } 4555 4556 private int compareSignaturesRecover(PackageSignatures existingSigs, 4557 PackageParser.Package scannedPkg) { 4558 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4559 return PackageManager.SIGNATURE_NO_MATCH; 4560 } 4561 4562 String msg = null; 4563 try { 4564 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4565 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4566 + scannedPkg.packageName); 4567 return PackageManager.SIGNATURE_MATCH; 4568 } 4569 } catch (CertificateException e) { 4570 msg = e.getMessage(); 4571 } 4572 4573 logCriticalInfo(Log.INFO, 4574 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4575 return PackageManager.SIGNATURE_NO_MATCH; 4576 } 4577 4578 @Override 4579 public List<String> getAllPackages() { 4580 synchronized (mPackages) { 4581 return new ArrayList<String>(mPackages.keySet()); 4582 } 4583 } 4584 4585 @Override 4586 public String[] getPackagesForUid(int uid) { 4587 final int userId = UserHandle.getUserId(uid); 4588 uid = UserHandle.getAppId(uid); 4589 // reader 4590 synchronized (mPackages) { 4591 Object obj = mSettings.getUserIdLPr(uid); 4592 if (obj instanceof SharedUserSetting) { 4593 final SharedUserSetting sus = (SharedUserSetting) obj; 4594 final int N = sus.packages.size(); 4595 String[] res = new String[N]; 4596 final Iterator<PackageSetting> it = sus.packages.iterator(); 4597 int i = 0; 4598 while (it.hasNext()) { 4599 PackageSetting ps = it.next(); 4600 if (ps.getInstalled(userId)) { 4601 res[i++] = ps.name; 4602 } else { 4603 res = ArrayUtils.removeElement(String.class, res, res[i]); 4604 } 4605 } 4606 return res; 4607 } else if (obj instanceof PackageSetting) { 4608 final PackageSetting ps = (PackageSetting) obj; 4609 return new String[] { ps.name }; 4610 } 4611 } 4612 return null; 4613 } 4614 4615 @Override 4616 public String getNameForUid(int uid) { 4617 // reader 4618 synchronized (mPackages) { 4619 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4620 if (obj instanceof SharedUserSetting) { 4621 final SharedUserSetting sus = (SharedUserSetting) obj; 4622 return sus.name + ":" + sus.userId; 4623 } else if (obj instanceof PackageSetting) { 4624 final PackageSetting ps = (PackageSetting) obj; 4625 return ps.name; 4626 } 4627 } 4628 return null; 4629 } 4630 4631 @Override 4632 public int getUidForSharedUser(String sharedUserName) { 4633 if(sharedUserName == null) { 4634 return -1; 4635 } 4636 // reader 4637 synchronized (mPackages) { 4638 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4639 if (suid == null) { 4640 return -1; 4641 } 4642 return suid.userId; 4643 } 4644 } 4645 4646 @Override 4647 public int getFlagsForUid(int uid) { 4648 synchronized (mPackages) { 4649 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4650 if (obj instanceof SharedUserSetting) { 4651 final SharedUserSetting sus = (SharedUserSetting) obj; 4652 return sus.pkgFlags; 4653 } else if (obj instanceof PackageSetting) { 4654 final PackageSetting ps = (PackageSetting) obj; 4655 return ps.pkgFlags; 4656 } 4657 } 4658 return 0; 4659 } 4660 4661 @Override 4662 public int getPrivateFlagsForUid(int uid) { 4663 synchronized (mPackages) { 4664 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4665 if (obj instanceof SharedUserSetting) { 4666 final SharedUserSetting sus = (SharedUserSetting) obj; 4667 return sus.pkgPrivateFlags; 4668 } else if (obj instanceof PackageSetting) { 4669 final PackageSetting ps = (PackageSetting) obj; 4670 return ps.pkgPrivateFlags; 4671 } 4672 } 4673 return 0; 4674 } 4675 4676 @Override 4677 public boolean isUidPrivileged(int uid) { 4678 uid = UserHandle.getAppId(uid); 4679 // reader 4680 synchronized (mPackages) { 4681 Object obj = mSettings.getUserIdLPr(uid); 4682 if (obj instanceof SharedUserSetting) { 4683 final SharedUserSetting sus = (SharedUserSetting) obj; 4684 final Iterator<PackageSetting> it = sus.packages.iterator(); 4685 while (it.hasNext()) { 4686 if (it.next().isPrivileged()) { 4687 return true; 4688 } 4689 } 4690 } else if (obj instanceof PackageSetting) { 4691 final PackageSetting ps = (PackageSetting) obj; 4692 return ps.isPrivileged(); 4693 } 4694 } 4695 return false; 4696 } 4697 4698 @Override 4699 public String[] getAppOpPermissionPackages(String permissionName) { 4700 synchronized (mPackages) { 4701 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4702 if (pkgs == null) { 4703 return null; 4704 } 4705 return pkgs.toArray(new String[pkgs.size()]); 4706 } 4707 } 4708 4709 @Override 4710 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4711 int flags, int userId) { 4712 try { 4713 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4714 4715 if (!sUserManager.exists(userId)) return null; 4716 flags = updateFlagsForResolve(flags, userId, intent); 4717 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4718 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4719 4720 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4721 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4722 flags, userId); 4723 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4724 4725 final ResolveInfo bestChoice = 4726 chooseBestActivity(intent, resolvedType, flags, query, userId); 4727 4728 if (isEphemeralAllowed(intent, query, userId)) { 4729 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4730 final EphemeralResolveInfo ai = 4731 getEphemeralResolveInfo(intent, resolvedType, userId); 4732 if (ai != null) { 4733 if (DEBUG_EPHEMERAL) { 4734 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4735 } 4736 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4737 bestChoice.ephemeralResolveInfo = ai; 4738 } 4739 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4740 } 4741 return bestChoice; 4742 } finally { 4743 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4744 } 4745 } 4746 4747 @Override 4748 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4749 IntentFilter filter, int match, ComponentName activity) { 4750 final int userId = UserHandle.getCallingUserId(); 4751 if (DEBUG_PREFERRED) { 4752 Log.v(TAG, "setLastChosenActivity intent=" + intent 4753 + " resolvedType=" + resolvedType 4754 + " flags=" + flags 4755 + " filter=" + filter 4756 + " match=" + match 4757 + " activity=" + activity); 4758 filter.dump(new PrintStreamPrinter(System.out), " "); 4759 } 4760 intent.setComponent(null); 4761 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4762 userId); 4763 // Find any earlier preferred or last chosen entries and nuke them 4764 findPreferredActivity(intent, resolvedType, 4765 flags, query, 0, false, true, false, userId); 4766 // Add the new activity as the last chosen for this filter 4767 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4768 "Setting last chosen"); 4769 } 4770 4771 @Override 4772 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4773 final int userId = UserHandle.getCallingUserId(); 4774 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4775 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4776 userId); 4777 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4778 false, false, false, userId); 4779 } 4780 4781 4782 private boolean isEphemeralAllowed( 4783 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4784 // Short circuit and return early if possible. 4785 if (DISABLE_EPHEMERAL_APPS) { 4786 return false; 4787 } 4788 final int callingUser = UserHandle.getCallingUserId(); 4789 if (callingUser != UserHandle.USER_SYSTEM) { 4790 return false; 4791 } 4792 if (mEphemeralResolverConnection == null) { 4793 return false; 4794 } 4795 if (intent.getComponent() != null) { 4796 return false; 4797 } 4798 if (intent.getPackage() != null) { 4799 return false; 4800 } 4801 final boolean isWebUri = hasWebURI(intent); 4802 if (!isWebUri) { 4803 return false; 4804 } 4805 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4806 synchronized (mPackages) { 4807 final int count = resolvedActivites.size(); 4808 for (int n = 0; n < count; n++) { 4809 ResolveInfo info = resolvedActivites.get(n); 4810 String packageName = info.activityInfo.packageName; 4811 PackageSetting ps = mSettings.mPackages.get(packageName); 4812 if (ps != null) { 4813 // Try to get the status from User settings first 4814 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4815 int status = (int) (packedStatus >> 32); 4816 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4817 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4818 if (DEBUG_EPHEMERAL) { 4819 Slog.v(TAG, "DENY ephemeral apps;" 4820 + " pkg: " + packageName + ", status: " + status); 4821 } 4822 return false; 4823 } 4824 } 4825 } 4826 } 4827 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4828 return true; 4829 } 4830 4831 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4832 int userId) { 4833 MessageDigest digest = null; 4834 try { 4835 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4836 } catch (NoSuchAlgorithmException e) { 4837 // If we can't create a digest, ignore ephemeral apps. 4838 return null; 4839 } 4840 4841 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4842 final byte[] digestBytes = digest.digest(hostBytes); 4843 int shaPrefix = 4844 digestBytes[0] << 24 4845 | digestBytes[1] << 16 4846 | digestBytes[2] << 8 4847 | digestBytes[3] << 0; 4848 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4849 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4850 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4851 // No hash prefix match; there are no ephemeral apps for this domain. 4852 return null; 4853 } 4854 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4855 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4856 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4857 continue; 4858 } 4859 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4860 // No filters; this should never happen. 4861 if (filters.isEmpty()) { 4862 continue; 4863 } 4864 // We have a domain match; resolve the filters to see if anything matches. 4865 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4866 for (int j = filters.size() - 1; j >= 0; --j) { 4867 final EphemeralResolveIntentInfo intentInfo = 4868 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4869 ephemeralResolver.addFilter(intentInfo); 4870 } 4871 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4872 intent, resolvedType, false /*defaultOnly*/, userId); 4873 if (!matchedResolveInfoList.isEmpty()) { 4874 return matchedResolveInfoList.get(0); 4875 } 4876 } 4877 // Hash or filter mis-match; no ephemeral apps for this domain. 4878 return null; 4879 } 4880 4881 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4882 int flags, List<ResolveInfo> query, int userId) { 4883 if (query != null) { 4884 final int N = query.size(); 4885 if (N == 1) { 4886 return query.get(0); 4887 } else if (N > 1) { 4888 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4889 // If there is more than one activity with the same priority, 4890 // then let the user decide between them. 4891 ResolveInfo r0 = query.get(0); 4892 ResolveInfo r1 = query.get(1); 4893 if (DEBUG_INTENT_MATCHING || debug) { 4894 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4895 + r1.activityInfo.name + "=" + r1.priority); 4896 } 4897 // If the first activity has a higher priority, or a different 4898 // default, then it is always desirable to pick it. 4899 if (r0.priority != r1.priority 4900 || r0.preferredOrder != r1.preferredOrder 4901 || r0.isDefault != r1.isDefault) { 4902 return query.get(0); 4903 } 4904 // If we have saved a preference for a preferred activity for 4905 // this Intent, use that. 4906 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4907 flags, query, r0.priority, true, false, debug, userId); 4908 if (ri != null) { 4909 return ri; 4910 } 4911 ri = new ResolveInfo(mResolveInfo); 4912 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4913 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4914 // If all of the options come from the same package, show the application's 4915 // label and icon instead of the generic resolver's. 4916 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4917 // and then throw away the ResolveInfo itself, meaning that the caller loses 4918 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4919 // a fallback for this case; we only set the target package's resources on 4920 // the ResolveInfo, not the ActivityInfo. 4921 final String intentPackage = intent.getPackage(); 4922 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4923 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4924 ri.resolvePackageName = intentPackage; 4925 if (userNeedsBadging(userId)) { 4926 ri.noResourceId = true; 4927 } else { 4928 ri.icon = appi.icon; 4929 } 4930 ri.iconResourceId = appi.icon; 4931 ri.labelRes = appi.labelRes; 4932 } 4933 ri.activityInfo.applicationInfo = new ApplicationInfo( 4934 ri.activityInfo.applicationInfo); 4935 if (userId != 0) { 4936 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4937 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4938 } 4939 // Make sure that the resolver is displayable in car mode 4940 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4941 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4942 return ri; 4943 } 4944 } 4945 return null; 4946 } 4947 4948 /** 4949 * Return true if the given list is not empty and all of its contents have 4950 * an activityInfo with the given package name. 4951 */ 4952 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4953 if (ArrayUtils.isEmpty(list)) { 4954 return false; 4955 } 4956 for (int i = 0, N = list.size(); i < N; i++) { 4957 final ResolveInfo ri = list.get(i); 4958 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4959 if (ai == null || !packageName.equals(ai.packageName)) { 4960 return false; 4961 } 4962 } 4963 return true; 4964 } 4965 4966 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4967 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4968 final int N = query.size(); 4969 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4970 .get(userId); 4971 // Get the list of persistent preferred activities that handle the intent 4972 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4973 List<PersistentPreferredActivity> pprefs = ppir != null 4974 ? ppir.queryIntent(intent, resolvedType, 4975 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4976 : null; 4977 if (pprefs != null && pprefs.size() > 0) { 4978 final int M = pprefs.size(); 4979 for (int i=0; i<M; i++) { 4980 final PersistentPreferredActivity ppa = pprefs.get(i); 4981 if (DEBUG_PREFERRED || debug) { 4982 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4983 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4984 + "\n component=" + ppa.mComponent); 4985 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4986 } 4987 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4988 flags | MATCH_DISABLED_COMPONENTS, userId); 4989 if (DEBUG_PREFERRED || debug) { 4990 Slog.v(TAG, "Found persistent preferred activity:"); 4991 if (ai != null) { 4992 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4993 } else { 4994 Slog.v(TAG, " null"); 4995 } 4996 } 4997 if (ai == null) { 4998 // This previously registered persistent preferred activity 4999 // component is no longer known. Ignore it and do NOT remove it. 5000 continue; 5001 } 5002 for (int j=0; j<N; j++) { 5003 final ResolveInfo ri = query.get(j); 5004 if (!ri.activityInfo.applicationInfo.packageName 5005 .equals(ai.applicationInfo.packageName)) { 5006 continue; 5007 } 5008 if (!ri.activityInfo.name.equals(ai.name)) { 5009 continue; 5010 } 5011 // Found a persistent preference that can handle the intent. 5012 if (DEBUG_PREFERRED || debug) { 5013 Slog.v(TAG, "Returning persistent preferred activity: " + 5014 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5015 } 5016 return ri; 5017 } 5018 } 5019 } 5020 return null; 5021 } 5022 5023 // TODO: handle preferred activities missing while user has amnesia 5024 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5025 List<ResolveInfo> query, int priority, boolean always, 5026 boolean removeMatches, boolean debug, int userId) { 5027 if (!sUserManager.exists(userId)) return null; 5028 flags = updateFlagsForResolve(flags, userId, intent); 5029 // writer 5030 synchronized (mPackages) { 5031 if (intent.getSelector() != null) { 5032 intent = intent.getSelector(); 5033 } 5034 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5035 5036 // Try to find a matching persistent preferred activity. 5037 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5038 debug, userId); 5039 5040 // If a persistent preferred activity matched, use it. 5041 if (pri != null) { 5042 return pri; 5043 } 5044 5045 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5046 // Get the list of preferred activities that handle the intent 5047 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5048 List<PreferredActivity> prefs = pir != null 5049 ? pir.queryIntent(intent, resolvedType, 5050 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5051 : null; 5052 if (prefs != null && prefs.size() > 0) { 5053 boolean changed = false; 5054 try { 5055 // First figure out how good the original match set is. 5056 // We will only allow preferred activities that came 5057 // from the same match quality. 5058 int match = 0; 5059 5060 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5061 5062 final int N = query.size(); 5063 for (int j=0; j<N; j++) { 5064 final ResolveInfo ri = query.get(j); 5065 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5066 + ": 0x" + Integer.toHexString(match)); 5067 if (ri.match > match) { 5068 match = ri.match; 5069 } 5070 } 5071 5072 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5073 + Integer.toHexString(match)); 5074 5075 match &= IntentFilter.MATCH_CATEGORY_MASK; 5076 final int M = prefs.size(); 5077 for (int i=0; i<M; i++) { 5078 final PreferredActivity pa = prefs.get(i); 5079 if (DEBUG_PREFERRED || debug) { 5080 Slog.v(TAG, "Checking PreferredActivity ds=" 5081 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5082 + "\n component=" + pa.mPref.mComponent); 5083 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5084 } 5085 if (pa.mPref.mMatch != match) { 5086 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5087 + Integer.toHexString(pa.mPref.mMatch)); 5088 continue; 5089 } 5090 // If it's not an "always" type preferred activity and that's what we're 5091 // looking for, skip it. 5092 if (always && !pa.mPref.mAlways) { 5093 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5094 continue; 5095 } 5096 final ActivityInfo ai = getActivityInfo( 5097 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5098 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5099 userId); 5100 if (DEBUG_PREFERRED || debug) { 5101 Slog.v(TAG, "Found preferred activity:"); 5102 if (ai != null) { 5103 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5104 } else { 5105 Slog.v(TAG, " null"); 5106 } 5107 } 5108 if (ai == null) { 5109 // This previously registered preferred activity 5110 // component is no longer known. Most likely an update 5111 // to the app was installed and in the new version this 5112 // component no longer exists. Clean it up by removing 5113 // it from the preferred activities list, and skip it. 5114 Slog.w(TAG, "Removing dangling preferred activity: " 5115 + pa.mPref.mComponent); 5116 pir.removeFilter(pa); 5117 changed = true; 5118 continue; 5119 } 5120 for (int j=0; j<N; j++) { 5121 final ResolveInfo ri = query.get(j); 5122 if (!ri.activityInfo.applicationInfo.packageName 5123 .equals(ai.applicationInfo.packageName)) { 5124 continue; 5125 } 5126 if (!ri.activityInfo.name.equals(ai.name)) { 5127 continue; 5128 } 5129 5130 if (removeMatches) { 5131 pir.removeFilter(pa); 5132 changed = true; 5133 if (DEBUG_PREFERRED) { 5134 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5135 } 5136 break; 5137 } 5138 5139 // Okay we found a previously set preferred or last chosen app. 5140 // If the result set is different from when this 5141 // was created, we need to clear it and re-ask the 5142 // user their preference, if we're looking for an "always" type entry. 5143 if (always && !pa.mPref.sameSet(query)) { 5144 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5145 + intent + " type " + resolvedType); 5146 if (DEBUG_PREFERRED) { 5147 Slog.v(TAG, "Removing preferred activity since set changed " 5148 + pa.mPref.mComponent); 5149 } 5150 pir.removeFilter(pa); 5151 // Re-add the filter as a "last chosen" entry (!always) 5152 PreferredActivity lastChosen = new PreferredActivity( 5153 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5154 pir.addFilter(lastChosen); 5155 changed = true; 5156 return null; 5157 } 5158 5159 // Yay! Either the set matched or we're looking for the last chosen 5160 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5161 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5162 return ri; 5163 } 5164 } 5165 } finally { 5166 if (changed) { 5167 if (DEBUG_PREFERRED) { 5168 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5169 } 5170 scheduleWritePackageRestrictionsLocked(userId); 5171 } 5172 } 5173 } 5174 } 5175 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5176 return null; 5177 } 5178 5179 /* 5180 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5181 */ 5182 @Override 5183 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5184 int targetUserId) { 5185 mContext.enforceCallingOrSelfPermission( 5186 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5187 List<CrossProfileIntentFilter> matches = 5188 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5189 if (matches != null) { 5190 int size = matches.size(); 5191 for (int i = 0; i < size; i++) { 5192 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5193 } 5194 } 5195 if (hasWebURI(intent)) { 5196 // cross-profile app linking works only towards the parent. 5197 final UserInfo parent = getProfileParent(sourceUserId); 5198 synchronized(mPackages) { 5199 int flags = updateFlagsForResolve(0, parent.id, intent); 5200 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5201 intent, resolvedType, flags, sourceUserId, parent.id); 5202 return xpDomainInfo != null; 5203 } 5204 } 5205 return false; 5206 } 5207 5208 private UserInfo getProfileParent(int userId) { 5209 final long identity = Binder.clearCallingIdentity(); 5210 try { 5211 return sUserManager.getProfileParent(userId); 5212 } finally { 5213 Binder.restoreCallingIdentity(identity); 5214 } 5215 } 5216 5217 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5218 String resolvedType, int userId) { 5219 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5220 if (resolver != null) { 5221 return resolver.queryIntent(intent, resolvedType, false, userId); 5222 } 5223 return null; 5224 } 5225 5226 @Override 5227 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5228 String resolvedType, int flags, int userId) { 5229 try { 5230 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5231 5232 return new ParceledListSlice<>( 5233 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5234 } finally { 5235 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5236 } 5237 } 5238 5239 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5240 String resolvedType, int flags, int userId) { 5241 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5242 flags = updateFlagsForResolve(flags, userId, intent); 5243 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5244 false /* requireFullPermission */, false /* checkShell */, 5245 "query intent activities"); 5246 ComponentName comp = intent.getComponent(); 5247 if (comp == null) { 5248 if (intent.getSelector() != null) { 5249 intent = intent.getSelector(); 5250 comp = intent.getComponent(); 5251 } 5252 } 5253 5254 if (comp != null) { 5255 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5256 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5257 if (ai != null) { 5258 final ResolveInfo ri = new ResolveInfo(); 5259 ri.activityInfo = ai; 5260 list.add(ri); 5261 } 5262 return list; 5263 } 5264 5265 // reader 5266 synchronized (mPackages) { 5267 final String pkgName = intent.getPackage(); 5268 if (pkgName == null) { 5269 List<CrossProfileIntentFilter> matchingFilters = 5270 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5271 // Check for results that need to skip the current profile. 5272 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5273 resolvedType, flags, userId); 5274 if (xpResolveInfo != null) { 5275 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5276 result.add(xpResolveInfo); 5277 return filterIfNotSystemUser(result, userId); 5278 } 5279 5280 // Check for results in the current profile. 5281 List<ResolveInfo> result = mActivities.queryIntent( 5282 intent, resolvedType, flags, userId); 5283 result = filterIfNotSystemUser(result, userId); 5284 5285 // Check for cross profile results. 5286 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5287 xpResolveInfo = queryCrossProfileIntents( 5288 matchingFilters, intent, resolvedType, flags, userId, 5289 hasNonNegativePriorityResult); 5290 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5291 boolean isVisibleToUser = filterIfNotSystemUser( 5292 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5293 if (isVisibleToUser) { 5294 result.add(xpResolveInfo); 5295 Collections.sort(result, mResolvePrioritySorter); 5296 } 5297 } 5298 if (hasWebURI(intent)) { 5299 CrossProfileDomainInfo xpDomainInfo = null; 5300 final UserInfo parent = getProfileParent(userId); 5301 if (parent != null) { 5302 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5303 flags, userId, parent.id); 5304 } 5305 if (xpDomainInfo != null) { 5306 if (xpResolveInfo != null) { 5307 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5308 // in the result. 5309 result.remove(xpResolveInfo); 5310 } 5311 if (result.size() == 0) { 5312 result.add(xpDomainInfo.resolveInfo); 5313 return result; 5314 } 5315 } else if (result.size() <= 1) { 5316 return result; 5317 } 5318 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5319 xpDomainInfo, userId); 5320 Collections.sort(result, mResolvePrioritySorter); 5321 } 5322 return result; 5323 } 5324 final PackageParser.Package pkg = mPackages.get(pkgName); 5325 if (pkg != null) { 5326 return filterIfNotSystemUser( 5327 mActivities.queryIntentForPackage( 5328 intent, resolvedType, flags, pkg.activities, userId), 5329 userId); 5330 } 5331 return new ArrayList<ResolveInfo>(); 5332 } 5333 } 5334 5335 private static class CrossProfileDomainInfo { 5336 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5337 ResolveInfo resolveInfo; 5338 /* Best domain verification status of the activities found in the other profile */ 5339 int bestDomainVerificationStatus; 5340 } 5341 5342 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5343 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5344 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5345 sourceUserId)) { 5346 return null; 5347 } 5348 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5349 resolvedType, flags, parentUserId); 5350 5351 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5352 return null; 5353 } 5354 CrossProfileDomainInfo result = null; 5355 int size = resultTargetUser.size(); 5356 for (int i = 0; i < size; i++) { 5357 ResolveInfo riTargetUser = resultTargetUser.get(i); 5358 // Intent filter verification is only for filters that specify a host. So don't return 5359 // those that handle all web uris. 5360 if (riTargetUser.handleAllWebDataURI) { 5361 continue; 5362 } 5363 String packageName = riTargetUser.activityInfo.packageName; 5364 PackageSetting ps = mSettings.mPackages.get(packageName); 5365 if (ps == null) { 5366 continue; 5367 } 5368 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5369 int status = (int)(verificationState >> 32); 5370 if (result == null) { 5371 result = new CrossProfileDomainInfo(); 5372 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5373 sourceUserId, parentUserId); 5374 result.bestDomainVerificationStatus = status; 5375 } else { 5376 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5377 result.bestDomainVerificationStatus); 5378 } 5379 } 5380 // Don't consider matches with status NEVER across profiles. 5381 if (result != null && result.bestDomainVerificationStatus 5382 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5383 return null; 5384 } 5385 return result; 5386 } 5387 5388 /** 5389 * Verification statuses are ordered from the worse to the best, except for 5390 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5391 */ 5392 private int bestDomainVerificationStatus(int status1, int status2) { 5393 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5394 return status2; 5395 } 5396 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5397 return status1; 5398 } 5399 return (int) MathUtils.max(status1, status2); 5400 } 5401 5402 private boolean isUserEnabled(int userId) { 5403 long callingId = Binder.clearCallingIdentity(); 5404 try { 5405 UserInfo userInfo = sUserManager.getUserInfo(userId); 5406 return userInfo != null && userInfo.isEnabled(); 5407 } finally { 5408 Binder.restoreCallingIdentity(callingId); 5409 } 5410 } 5411 5412 /** 5413 * Filter out activities with systemUserOnly flag set, when current user is not System. 5414 * 5415 * @return filtered list 5416 */ 5417 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5418 if (userId == UserHandle.USER_SYSTEM) { 5419 return resolveInfos; 5420 } 5421 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5422 ResolveInfo info = resolveInfos.get(i); 5423 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5424 resolveInfos.remove(i); 5425 } 5426 } 5427 return resolveInfos; 5428 } 5429 5430 /** 5431 * @param resolveInfos list of resolve infos in descending priority order 5432 * @return if the list contains a resolve info with non-negative priority 5433 */ 5434 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5435 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5436 } 5437 5438 private static boolean hasWebURI(Intent intent) { 5439 if (intent.getData() == null) { 5440 return false; 5441 } 5442 final String scheme = intent.getScheme(); 5443 if (TextUtils.isEmpty(scheme)) { 5444 return false; 5445 } 5446 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5447 } 5448 5449 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5450 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5451 int userId) { 5452 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5453 5454 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5455 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5456 candidates.size()); 5457 } 5458 5459 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5460 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5461 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5462 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5463 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5464 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5465 5466 synchronized (mPackages) { 5467 final int count = candidates.size(); 5468 // First, try to use linked apps. Partition the candidates into four lists: 5469 // one for the final results, one for the "do not use ever", one for "undefined status" 5470 // and finally one for "browser app type". 5471 for (int n=0; n<count; n++) { 5472 ResolveInfo info = candidates.get(n); 5473 String packageName = info.activityInfo.packageName; 5474 PackageSetting ps = mSettings.mPackages.get(packageName); 5475 if (ps != null) { 5476 // Add to the special match all list (Browser use case) 5477 if (info.handleAllWebDataURI) { 5478 matchAllList.add(info); 5479 continue; 5480 } 5481 // Try to get the status from User settings first 5482 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5483 int status = (int)(packedStatus >> 32); 5484 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5485 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5486 if (DEBUG_DOMAIN_VERIFICATION) { 5487 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5488 + " : linkgen=" + linkGeneration); 5489 } 5490 // Use link-enabled generation as preferredOrder, i.e. 5491 // prefer newly-enabled over earlier-enabled. 5492 info.preferredOrder = linkGeneration; 5493 alwaysList.add(info); 5494 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5495 if (DEBUG_DOMAIN_VERIFICATION) { 5496 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5497 } 5498 neverList.add(info); 5499 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5500 if (DEBUG_DOMAIN_VERIFICATION) { 5501 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5502 } 5503 alwaysAskList.add(info); 5504 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5505 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5506 if (DEBUG_DOMAIN_VERIFICATION) { 5507 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5508 } 5509 undefinedList.add(info); 5510 } 5511 } 5512 } 5513 5514 // We'll want to include browser possibilities in a few cases 5515 boolean includeBrowser = false; 5516 5517 // First try to add the "always" resolution(s) for the current user, if any 5518 if (alwaysList.size() > 0) { 5519 result.addAll(alwaysList); 5520 } else { 5521 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5522 result.addAll(undefinedList); 5523 // Maybe add one for the other profile. 5524 if (xpDomainInfo != null && ( 5525 xpDomainInfo.bestDomainVerificationStatus 5526 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5527 result.add(xpDomainInfo.resolveInfo); 5528 } 5529 includeBrowser = true; 5530 } 5531 5532 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5533 // If there were 'always' entries their preferred order has been set, so we also 5534 // back that off to make the alternatives equivalent 5535 if (alwaysAskList.size() > 0) { 5536 for (ResolveInfo i : result) { 5537 i.preferredOrder = 0; 5538 } 5539 result.addAll(alwaysAskList); 5540 includeBrowser = true; 5541 } 5542 5543 if (includeBrowser) { 5544 // Also add browsers (all of them or only the default one) 5545 if (DEBUG_DOMAIN_VERIFICATION) { 5546 Slog.v(TAG, " ...including browsers in candidate set"); 5547 } 5548 if ((matchFlags & MATCH_ALL) != 0) { 5549 result.addAll(matchAllList); 5550 } else { 5551 // Browser/generic handling case. If there's a default browser, go straight 5552 // to that (but only if there is no other higher-priority match). 5553 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5554 int maxMatchPrio = 0; 5555 ResolveInfo defaultBrowserMatch = null; 5556 final int numCandidates = matchAllList.size(); 5557 for (int n = 0; n < numCandidates; n++) { 5558 ResolveInfo info = matchAllList.get(n); 5559 // track the highest overall match priority... 5560 if (info.priority > maxMatchPrio) { 5561 maxMatchPrio = info.priority; 5562 } 5563 // ...and the highest-priority default browser match 5564 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5565 if (defaultBrowserMatch == null 5566 || (defaultBrowserMatch.priority < info.priority)) { 5567 if (debug) { 5568 Slog.v(TAG, "Considering default browser match " + info); 5569 } 5570 defaultBrowserMatch = info; 5571 } 5572 } 5573 } 5574 if (defaultBrowserMatch != null 5575 && defaultBrowserMatch.priority >= maxMatchPrio 5576 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5577 { 5578 if (debug) { 5579 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5580 } 5581 result.add(defaultBrowserMatch); 5582 } else { 5583 result.addAll(matchAllList); 5584 } 5585 } 5586 5587 // If there is nothing selected, add all candidates and remove the ones that the user 5588 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5589 if (result.size() == 0) { 5590 result.addAll(candidates); 5591 result.removeAll(neverList); 5592 } 5593 } 5594 } 5595 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5596 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5597 result.size()); 5598 for (ResolveInfo info : result) { 5599 Slog.v(TAG, " + " + info.activityInfo); 5600 } 5601 } 5602 return result; 5603 } 5604 5605 // Returns a packed value as a long: 5606 // 5607 // high 'int'-sized word: link status: undefined/ask/never/always. 5608 // low 'int'-sized word: relative priority among 'always' results. 5609 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5610 long result = ps.getDomainVerificationStatusForUser(userId); 5611 // if none available, get the master status 5612 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5613 if (ps.getIntentFilterVerificationInfo() != null) { 5614 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5615 } 5616 } 5617 return result; 5618 } 5619 5620 private ResolveInfo querySkipCurrentProfileIntents( 5621 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5622 int flags, int sourceUserId) { 5623 if (matchingFilters != null) { 5624 int size = matchingFilters.size(); 5625 for (int i = 0; i < size; i ++) { 5626 CrossProfileIntentFilter filter = matchingFilters.get(i); 5627 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5628 // Checking if there are activities in the target user that can handle the 5629 // intent. 5630 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5631 resolvedType, flags, sourceUserId); 5632 if (resolveInfo != null) { 5633 return resolveInfo; 5634 } 5635 } 5636 } 5637 } 5638 return null; 5639 } 5640 5641 // Return matching ResolveInfo in target user if any. 5642 private ResolveInfo queryCrossProfileIntents( 5643 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5644 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5645 if (matchingFilters != null) { 5646 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5647 // match the same intent. For performance reasons, it is better not to 5648 // run queryIntent twice for the same userId 5649 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5650 int size = matchingFilters.size(); 5651 for (int i = 0; i < size; i++) { 5652 CrossProfileIntentFilter filter = matchingFilters.get(i); 5653 int targetUserId = filter.getTargetUserId(); 5654 boolean skipCurrentProfile = 5655 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5656 boolean skipCurrentProfileIfNoMatchFound = 5657 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5658 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5659 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5660 // Checking if there are activities in the target user that can handle the 5661 // intent. 5662 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5663 resolvedType, flags, sourceUserId); 5664 if (resolveInfo != null) return resolveInfo; 5665 alreadyTriedUserIds.put(targetUserId, true); 5666 } 5667 } 5668 } 5669 return null; 5670 } 5671 5672 /** 5673 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5674 * will forward the intent to the filter's target user. 5675 * Otherwise, returns null. 5676 */ 5677 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5678 String resolvedType, int flags, int sourceUserId) { 5679 int targetUserId = filter.getTargetUserId(); 5680 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5681 resolvedType, flags, targetUserId); 5682 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5683 // If all the matches in the target profile are suspended, return null. 5684 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5685 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5686 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5687 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5688 targetUserId); 5689 } 5690 } 5691 } 5692 return null; 5693 } 5694 5695 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5696 int sourceUserId, int targetUserId) { 5697 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5698 long ident = Binder.clearCallingIdentity(); 5699 boolean targetIsProfile; 5700 try { 5701 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5702 } finally { 5703 Binder.restoreCallingIdentity(ident); 5704 } 5705 String className; 5706 if (targetIsProfile) { 5707 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5708 } else { 5709 className = FORWARD_INTENT_TO_PARENT; 5710 } 5711 ComponentName forwardingActivityComponentName = new ComponentName( 5712 mAndroidApplication.packageName, className); 5713 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5714 sourceUserId); 5715 if (!targetIsProfile) { 5716 forwardingActivityInfo.showUserIcon = targetUserId; 5717 forwardingResolveInfo.noResourceId = true; 5718 } 5719 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5720 forwardingResolveInfo.priority = 0; 5721 forwardingResolveInfo.preferredOrder = 0; 5722 forwardingResolveInfo.match = 0; 5723 forwardingResolveInfo.isDefault = true; 5724 forwardingResolveInfo.filter = filter; 5725 forwardingResolveInfo.targetUserId = targetUserId; 5726 return forwardingResolveInfo; 5727 } 5728 5729 @Override 5730 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5731 Intent[] specifics, String[] specificTypes, Intent intent, 5732 String resolvedType, int flags, int userId) { 5733 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5734 specificTypes, intent, resolvedType, flags, userId)); 5735 } 5736 5737 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5738 Intent[] specifics, String[] specificTypes, Intent intent, 5739 String resolvedType, int flags, int userId) { 5740 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5741 flags = updateFlagsForResolve(flags, userId, intent); 5742 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5743 false /* requireFullPermission */, false /* checkShell */, 5744 "query intent activity options"); 5745 final String resultsAction = intent.getAction(); 5746 5747 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5748 | PackageManager.GET_RESOLVED_FILTER, userId); 5749 5750 if (DEBUG_INTENT_MATCHING) { 5751 Log.v(TAG, "Query " + intent + ": " + results); 5752 } 5753 5754 int specificsPos = 0; 5755 int N; 5756 5757 // todo: note that the algorithm used here is O(N^2). This 5758 // isn't a problem in our current environment, but if we start running 5759 // into situations where we have more than 5 or 10 matches then this 5760 // should probably be changed to something smarter... 5761 5762 // First we go through and resolve each of the specific items 5763 // that were supplied, taking care of removing any corresponding 5764 // duplicate items in the generic resolve list. 5765 if (specifics != null) { 5766 for (int i=0; i<specifics.length; i++) { 5767 final Intent sintent = specifics[i]; 5768 if (sintent == null) { 5769 continue; 5770 } 5771 5772 if (DEBUG_INTENT_MATCHING) { 5773 Log.v(TAG, "Specific #" + i + ": " + sintent); 5774 } 5775 5776 String action = sintent.getAction(); 5777 if (resultsAction != null && resultsAction.equals(action)) { 5778 // If this action was explicitly requested, then don't 5779 // remove things that have it. 5780 action = null; 5781 } 5782 5783 ResolveInfo ri = null; 5784 ActivityInfo ai = null; 5785 5786 ComponentName comp = sintent.getComponent(); 5787 if (comp == null) { 5788 ri = resolveIntent( 5789 sintent, 5790 specificTypes != null ? specificTypes[i] : null, 5791 flags, userId); 5792 if (ri == null) { 5793 continue; 5794 } 5795 if (ri == mResolveInfo) { 5796 // ACK! Must do something better with this. 5797 } 5798 ai = ri.activityInfo; 5799 comp = new ComponentName(ai.applicationInfo.packageName, 5800 ai.name); 5801 } else { 5802 ai = getActivityInfo(comp, flags, userId); 5803 if (ai == null) { 5804 continue; 5805 } 5806 } 5807 5808 // Look for any generic query activities that are duplicates 5809 // of this specific one, and remove them from the results. 5810 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5811 N = results.size(); 5812 int j; 5813 for (j=specificsPos; j<N; j++) { 5814 ResolveInfo sri = results.get(j); 5815 if ((sri.activityInfo.name.equals(comp.getClassName()) 5816 && sri.activityInfo.applicationInfo.packageName.equals( 5817 comp.getPackageName())) 5818 || (action != null && sri.filter.matchAction(action))) { 5819 results.remove(j); 5820 if (DEBUG_INTENT_MATCHING) Log.v( 5821 TAG, "Removing duplicate item from " + j 5822 + " due to specific " + specificsPos); 5823 if (ri == null) { 5824 ri = sri; 5825 } 5826 j--; 5827 N--; 5828 } 5829 } 5830 5831 // Add this specific item to its proper place. 5832 if (ri == null) { 5833 ri = new ResolveInfo(); 5834 ri.activityInfo = ai; 5835 } 5836 results.add(specificsPos, ri); 5837 ri.specificIndex = i; 5838 specificsPos++; 5839 } 5840 } 5841 5842 // Now we go through the remaining generic results and remove any 5843 // duplicate actions that are found here. 5844 N = results.size(); 5845 for (int i=specificsPos; i<N-1; i++) { 5846 final ResolveInfo rii = results.get(i); 5847 if (rii.filter == null) { 5848 continue; 5849 } 5850 5851 // Iterate over all of the actions of this result's intent 5852 // filter... typically this should be just one. 5853 final Iterator<String> it = rii.filter.actionsIterator(); 5854 if (it == null) { 5855 continue; 5856 } 5857 while (it.hasNext()) { 5858 final String action = it.next(); 5859 if (resultsAction != null && resultsAction.equals(action)) { 5860 // If this action was explicitly requested, then don't 5861 // remove things that have it. 5862 continue; 5863 } 5864 for (int j=i+1; j<N; j++) { 5865 final ResolveInfo rij = results.get(j); 5866 if (rij.filter != null && rij.filter.hasAction(action)) { 5867 results.remove(j); 5868 if (DEBUG_INTENT_MATCHING) Log.v( 5869 TAG, "Removing duplicate item from " + j 5870 + " due to action " + action + " at " + i); 5871 j--; 5872 N--; 5873 } 5874 } 5875 } 5876 5877 // If the caller didn't request filter information, drop it now 5878 // so we don't have to marshall/unmarshall it. 5879 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5880 rii.filter = null; 5881 } 5882 } 5883 5884 // Filter out the caller activity if so requested. 5885 if (caller != null) { 5886 N = results.size(); 5887 for (int i=0; i<N; i++) { 5888 ActivityInfo ainfo = results.get(i).activityInfo; 5889 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5890 && caller.getClassName().equals(ainfo.name)) { 5891 results.remove(i); 5892 break; 5893 } 5894 } 5895 } 5896 5897 // If the caller didn't request filter information, 5898 // drop them now so we don't have to 5899 // marshall/unmarshall it. 5900 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5901 N = results.size(); 5902 for (int i=0; i<N; i++) { 5903 results.get(i).filter = null; 5904 } 5905 } 5906 5907 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5908 return results; 5909 } 5910 5911 @Override 5912 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5913 String resolvedType, int flags, int userId) { 5914 return new ParceledListSlice<>( 5915 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5916 } 5917 5918 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5919 String resolvedType, int flags, int userId) { 5920 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5921 flags = updateFlagsForResolve(flags, userId, intent); 5922 ComponentName comp = intent.getComponent(); 5923 if (comp == null) { 5924 if (intent.getSelector() != null) { 5925 intent = intent.getSelector(); 5926 comp = intent.getComponent(); 5927 } 5928 } 5929 if (comp != null) { 5930 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5931 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5932 if (ai != null) { 5933 ResolveInfo ri = new ResolveInfo(); 5934 ri.activityInfo = ai; 5935 list.add(ri); 5936 } 5937 return list; 5938 } 5939 5940 // reader 5941 synchronized (mPackages) { 5942 String pkgName = intent.getPackage(); 5943 if (pkgName == null) { 5944 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5945 } 5946 final PackageParser.Package pkg = mPackages.get(pkgName); 5947 if (pkg != null) { 5948 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5949 userId); 5950 } 5951 return Collections.emptyList(); 5952 } 5953 } 5954 5955 @Override 5956 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5957 if (!sUserManager.exists(userId)) return null; 5958 flags = updateFlagsForResolve(flags, userId, intent); 5959 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5960 if (query != null) { 5961 if (query.size() >= 1) { 5962 // If there is more than one service with the same priority, 5963 // just arbitrarily pick the first one. 5964 return query.get(0); 5965 } 5966 } 5967 return null; 5968 } 5969 5970 @Override 5971 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5972 String resolvedType, int flags, int userId) { 5973 return new ParceledListSlice<>( 5974 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5975 } 5976 5977 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5978 String resolvedType, int flags, int userId) { 5979 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5980 flags = updateFlagsForResolve(flags, userId, intent); 5981 ComponentName comp = intent.getComponent(); 5982 if (comp == null) { 5983 if (intent.getSelector() != null) { 5984 intent = intent.getSelector(); 5985 comp = intent.getComponent(); 5986 } 5987 } 5988 if (comp != null) { 5989 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5990 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5991 if (si != null) { 5992 final ResolveInfo ri = new ResolveInfo(); 5993 ri.serviceInfo = si; 5994 list.add(ri); 5995 } 5996 return list; 5997 } 5998 5999 // reader 6000 synchronized (mPackages) { 6001 String pkgName = intent.getPackage(); 6002 if (pkgName == null) { 6003 return mServices.queryIntent(intent, resolvedType, flags, userId); 6004 } 6005 final PackageParser.Package pkg = mPackages.get(pkgName); 6006 if (pkg != null) { 6007 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6008 userId); 6009 } 6010 return Collections.emptyList(); 6011 } 6012 } 6013 6014 @Override 6015 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6016 String resolvedType, int flags, int userId) { 6017 return new ParceledListSlice<>( 6018 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6019 } 6020 6021 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6022 Intent intent, String resolvedType, int flags, int userId) { 6023 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6024 flags = updateFlagsForResolve(flags, userId, intent); 6025 ComponentName comp = intent.getComponent(); 6026 if (comp == null) { 6027 if (intent.getSelector() != null) { 6028 intent = intent.getSelector(); 6029 comp = intent.getComponent(); 6030 } 6031 } 6032 if (comp != null) { 6033 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6034 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6035 if (pi != null) { 6036 final ResolveInfo ri = new ResolveInfo(); 6037 ri.providerInfo = pi; 6038 list.add(ri); 6039 } 6040 return list; 6041 } 6042 6043 // reader 6044 synchronized (mPackages) { 6045 String pkgName = intent.getPackage(); 6046 if (pkgName == null) { 6047 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6048 } 6049 final PackageParser.Package pkg = mPackages.get(pkgName); 6050 if (pkg != null) { 6051 return mProviders.queryIntentForPackage( 6052 intent, resolvedType, flags, pkg.providers, userId); 6053 } 6054 return Collections.emptyList(); 6055 } 6056 } 6057 6058 @Override 6059 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6060 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6061 flags = updateFlagsForPackage(flags, userId, null); 6062 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6063 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6064 true /* requireFullPermission */, false /* checkShell */, 6065 "get installed packages"); 6066 6067 // writer 6068 synchronized (mPackages) { 6069 ArrayList<PackageInfo> list; 6070 if (listUninstalled) { 6071 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6072 for (PackageSetting ps : mSettings.mPackages.values()) { 6073 final PackageInfo pi; 6074 if (ps.pkg != null) { 6075 pi = generatePackageInfo(ps, flags, userId); 6076 } else { 6077 pi = generatePackageInfo(ps, flags, userId); 6078 } 6079 if (pi != null) { 6080 list.add(pi); 6081 } 6082 } 6083 } else { 6084 list = new ArrayList<PackageInfo>(mPackages.size()); 6085 for (PackageParser.Package p : mPackages.values()) { 6086 final PackageInfo pi = 6087 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6088 if (pi != null) { 6089 list.add(pi); 6090 } 6091 } 6092 } 6093 6094 return new ParceledListSlice<PackageInfo>(list); 6095 } 6096 } 6097 6098 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6099 String[] permissions, boolean[] tmp, int flags, int userId) { 6100 int numMatch = 0; 6101 final PermissionsState permissionsState = ps.getPermissionsState(); 6102 for (int i=0; i<permissions.length; i++) { 6103 final String permission = permissions[i]; 6104 if (permissionsState.hasPermission(permission, userId)) { 6105 tmp[i] = true; 6106 numMatch++; 6107 } else { 6108 tmp[i] = false; 6109 } 6110 } 6111 if (numMatch == 0) { 6112 return; 6113 } 6114 final PackageInfo pi; 6115 if (ps.pkg != null) { 6116 pi = generatePackageInfo(ps, flags, userId); 6117 } else { 6118 pi = generatePackageInfo(ps, flags, userId); 6119 } 6120 // The above might return null in cases of uninstalled apps or install-state 6121 // skew across users/profiles. 6122 if (pi != null) { 6123 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6124 if (numMatch == permissions.length) { 6125 pi.requestedPermissions = permissions; 6126 } else { 6127 pi.requestedPermissions = new String[numMatch]; 6128 numMatch = 0; 6129 for (int i=0; i<permissions.length; i++) { 6130 if (tmp[i]) { 6131 pi.requestedPermissions[numMatch] = permissions[i]; 6132 numMatch++; 6133 } 6134 } 6135 } 6136 } 6137 list.add(pi); 6138 } 6139 } 6140 6141 @Override 6142 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6143 String[] permissions, int flags, int userId) { 6144 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6145 flags = updateFlagsForPackage(flags, userId, permissions); 6146 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6147 6148 // writer 6149 synchronized (mPackages) { 6150 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6151 boolean[] tmpBools = new boolean[permissions.length]; 6152 if (listUninstalled) { 6153 for (PackageSetting ps : mSettings.mPackages.values()) { 6154 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6155 } 6156 } else { 6157 for (PackageParser.Package pkg : mPackages.values()) { 6158 PackageSetting ps = (PackageSetting)pkg.mExtras; 6159 if (ps != null) { 6160 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6161 userId); 6162 } 6163 } 6164 } 6165 6166 return new ParceledListSlice<PackageInfo>(list); 6167 } 6168 } 6169 6170 @Override 6171 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6172 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6173 flags = updateFlagsForApplication(flags, userId, null); 6174 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6175 6176 // writer 6177 synchronized (mPackages) { 6178 ArrayList<ApplicationInfo> list; 6179 if (listUninstalled) { 6180 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6181 for (PackageSetting ps : mSettings.mPackages.values()) { 6182 ApplicationInfo ai; 6183 if (ps.pkg != null) { 6184 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6185 ps.readUserState(userId), userId); 6186 } else { 6187 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6188 } 6189 if (ai != null) { 6190 list.add(ai); 6191 } 6192 } 6193 } else { 6194 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6195 for (PackageParser.Package p : mPackages.values()) { 6196 if (p.mExtras != null) { 6197 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6198 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6199 if (ai != null) { 6200 list.add(ai); 6201 } 6202 } 6203 } 6204 } 6205 6206 return new ParceledListSlice<ApplicationInfo>(list); 6207 } 6208 } 6209 6210 @Override 6211 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6212 if (DISABLE_EPHEMERAL_APPS) { 6213 return null; 6214 } 6215 6216 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6217 "getEphemeralApplications"); 6218 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6219 true /* requireFullPermission */, false /* checkShell */, 6220 "getEphemeralApplications"); 6221 synchronized (mPackages) { 6222 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6223 .getEphemeralApplicationsLPw(userId); 6224 if (ephemeralApps != null) { 6225 return new ParceledListSlice<>(ephemeralApps); 6226 } 6227 } 6228 return null; 6229 } 6230 6231 @Override 6232 public boolean isEphemeralApplication(String packageName, int userId) { 6233 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6234 true /* requireFullPermission */, false /* checkShell */, 6235 "isEphemeral"); 6236 if (DISABLE_EPHEMERAL_APPS) { 6237 return false; 6238 } 6239 6240 if (!isCallerSameApp(packageName)) { 6241 return false; 6242 } 6243 synchronized (mPackages) { 6244 PackageParser.Package pkg = mPackages.get(packageName); 6245 if (pkg != null) { 6246 return pkg.applicationInfo.isEphemeralApp(); 6247 } 6248 } 6249 return false; 6250 } 6251 6252 @Override 6253 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6254 if (DISABLE_EPHEMERAL_APPS) { 6255 return null; 6256 } 6257 6258 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6259 true /* requireFullPermission */, false /* checkShell */, 6260 "getCookie"); 6261 if (!isCallerSameApp(packageName)) { 6262 return null; 6263 } 6264 synchronized (mPackages) { 6265 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6266 packageName, userId); 6267 } 6268 } 6269 6270 @Override 6271 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6272 if (DISABLE_EPHEMERAL_APPS) { 6273 return true; 6274 } 6275 6276 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6277 true /* requireFullPermission */, true /* checkShell */, 6278 "setCookie"); 6279 if (!isCallerSameApp(packageName)) { 6280 return false; 6281 } 6282 synchronized (mPackages) { 6283 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6284 packageName, cookie, userId); 6285 } 6286 } 6287 6288 @Override 6289 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6290 if (DISABLE_EPHEMERAL_APPS) { 6291 return null; 6292 } 6293 6294 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6295 "getEphemeralApplicationIcon"); 6296 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6297 true /* requireFullPermission */, false /* checkShell */, 6298 "getEphemeralApplicationIcon"); 6299 synchronized (mPackages) { 6300 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6301 packageName, userId); 6302 } 6303 } 6304 6305 private boolean isCallerSameApp(String packageName) { 6306 PackageParser.Package pkg = mPackages.get(packageName); 6307 return pkg != null 6308 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6309 } 6310 6311 @Override 6312 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6313 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6314 } 6315 6316 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6317 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6318 6319 // reader 6320 synchronized (mPackages) { 6321 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6322 final int userId = UserHandle.getCallingUserId(); 6323 while (i.hasNext()) { 6324 final PackageParser.Package p = i.next(); 6325 if (p.applicationInfo == null) continue; 6326 6327 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6328 && !p.applicationInfo.isDirectBootAware(); 6329 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6330 && p.applicationInfo.isDirectBootAware(); 6331 6332 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6333 && (!mSafeMode || isSystemApp(p)) 6334 && (matchesUnaware || matchesAware)) { 6335 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6336 if (ps != null) { 6337 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6338 ps.readUserState(userId), userId); 6339 if (ai != null) { 6340 finalList.add(ai); 6341 } 6342 } 6343 } 6344 } 6345 } 6346 6347 return finalList; 6348 } 6349 6350 @Override 6351 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6352 if (!sUserManager.exists(userId)) return null; 6353 flags = updateFlagsForComponent(flags, userId, name); 6354 // reader 6355 synchronized (mPackages) { 6356 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6357 PackageSetting ps = provider != null 6358 ? mSettings.mPackages.get(provider.owner.packageName) 6359 : null; 6360 return ps != null 6361 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6362 ? PackageParser.generateProviderInfo(provider, flags, 6363 ps.readUserState(userId), userId) 6364 : null; 6365 } 6366 } 6367 6368 /** 6369 * @deprecated 6370 */ 6371 @Deprecated 6372 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6373 // reader 6374 synchronized (mPackages) { 6375 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6376 .entrySet().iterator(); 6377 final int userId = UserHandle.getCallingUserId(); 6378 while (i.hasNext()) { 6379 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6380 PackageParser.Provider p = entry.getValue(); 6381 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6382 6383 if (ps != null && p.syncable 6384 && (!mSafeMode || (p.info.applicationInfo.flags 6385 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6386 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6387 ps.readUserState(userId), userId); 6388 if (info != null) { 6389 outNames.add(entry.getKey()); 6390 outInfo.add(info); 6391 } 6392 } 6393 } 6394 } 6395 } 6396 6397 @Override 6398 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6399 int uid, int flags) { 6400 final int userId = processName != null ? UserHandle.getUserId(uid) 6401 : UserHandle.getCallingUserId(); 6402 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6403 flags = updateFlagsForComponent(flags, userId, processName); 6404 6405 ArrayList<ProviderInfo> finalList = null; 6406 // reader 6407 synchronized (mPackages) { 6408 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6409 while (i.hasNext()) { 6410 final PackageParser.Provider p = i.next(); 6411 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6412 if (ps != null && p.info.authority != null 6413 && (processName == null 6414 || (p.info.processName.equals(processName) 6415 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6416 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6417 if (finalList == null) { 6418 finalList = new ArrayList<ProviderInfo>(3); 6419 } 6420 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6421 ps.readUserState(userId), userId); 6422 if (info != null) { 6423 finalList.add(info); 6424 } 6425 } 6426 } 6427 } 6428 6429 if (finalList != null) { 6430 Collections.sort(finalList, mProviderInitOrderSorter); 6431 return new ParceledListSlice<ProviderInfo>(finalList); 6432 } 6433 6434 return ParceledListSlice.emptyList(); 6435 } 6436 6437 @Override 6438 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6439 // reader 6440 synchronized (mPackages) { 6441 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6442 return PackageParser.generateInstrumentationInfo(i, flags); 6443 } 6444 } 6445 6446 @Override 6447 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6448 String targetPackage, int flags) { 6449 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6450 } 6451 6452 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6453 int flags) { 6454 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6455 6456 // reader 6457 synchronized (mPackages) { 6458 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6459 while (i.hasNext()) { 6460 final PackageParser.Instrumentation p = i.next(); 6461 if (targetPackage == null 6462 || targetPackage.equals(p.info.targetPackage)) { 6463 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6464 flags); 6465 if (ii != null) { 6466 finalList.add(ii); 6467 } 6468 } 6469 } 6470 } 6471 6472 return finalList; 6473 } 6474 6475 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6476 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6477 if (overlays == null) { 6478 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6479 return; 6480 } 6481 for (PackageParser.Package opkg : overlays.values()) { 6482 // Not much to do if idmap fails: we already logged the error 6483 // and we certainly don't want to abort installation of pkg simply 6484 // because an overlay didn't fit properly. For these reasons, 6485 // ignore the return value of createIdmapForPackagePairLI. 6486 createIdmapForPackagePairLI(pkg, opkg); 6487 } 6488 } 6489 6490 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6491 PackageParser.Package opkg) { 6492 if (!opkg.mTrustedOverlay) { 6493 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6494 opkg.baseCodePath + ": overlay not trusted"); 6495 return false; 6496 } 6497 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6498 if (overlaySet == null) { 6499 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6500 opkg.baseCodePath + " but target package has no known overlays"); 6501 return false; 6502 } 6503 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6504 // TODO: generate idmap for split APKs 6505 try { 6506 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6507 } catch (InstallerException e) { 6508 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6509 + opkg.baseCodePath); 6510 return false; 6511 } 6512 PackageParser.Package[] overlayArray = 6513 overlaySet.values().toArray(new PackageParser.Package[0]); 6514 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6515 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6516 return p1.mOverlayPriority - p2.mOverlayPriority; 6517 } 6518 }; 6519 Arrays.sort(overlayArray, cmp); 6520 6521 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6522 int i = 0; 6523 for (PackageParser.Package p : overlayArray) { 6524 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6525 } 6526 return true; 6527 } 6528 6529 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6530 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6531 try { 6532 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6533 } finally { 6534 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6535 } 6536 } 6537 6538 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6539 final File[] files = dir.listFiles(); 6540 if (ArrayUtils.isEmpty(files)) { 6541 Log.d(TAG, "No files in app dir " + dir); 6542 return; 6543 } 6544 6545 if (DEBUG_PACKAGE_SCANNING) { 6546 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6547 + " flags=0x" + Integer.toHexString(parseFlags)); 6548 } 6549 6550 for (File file : files) { 6551 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6552 && !PackageInstallerService.isStageName(file.getName()); 6553 if (!isPackage) { 6554 // Ignore entries which are not packages 6555 continue; 6556 } 6557 try { 6558 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6559 scanFlags, currentTime, null); 6560 } catch (PackageManagerException e) { 6561 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6562 6563 // Delete invalid userdata apps 6564 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6565 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6566 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6567 removeCodePathLI(file); 6568 } 6569 } 6570 } 6571 } 6572 6573 private static File getSettingsProblemFile() { 6574 File dataDir = Environment.getDataDirectory(); 6575 File systemDir = new File(dataDir, "system"); 6576 File fname = new File(systemDir, "uiderrors.txt"); 6577 return fname; 6578 } 6579 6580 static void reportSettingsProblem(int priority, String msg) { 6581 logCriticalInfo(priority, msg); 6582 } 6583 6584 static void logCriticalInfo(int priority, String msg) { 6585 Slog.println(priority, TAG, msg); 6586 EventLogTags.writePmCriticalInfo(msg); 6587 try { 6588 File fname = getSettingsProblemFile(); 6589 FileOutputStream out = new FileOutputStream(fname, true); 6590 PrintWriter pw = new FastPrintWriter(out); 6591 SimpleDateFormat formatter = new SimpleDateFormat(); 6592 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6593 pw.println(dateString + ": " + msg); 6594 pw.close(); 6595 FileUtils.setPermissions( 6596 fname.toString(), 6597 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6598 -1, -1); 6599 } catch (java.io.IOException e) { 6600 } 6601 } 6602 6603 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6604 final int policyFlags) throws PackageManagerException { 6605 if (ps != null 6606 && ps.codePath.equals(srcFile) 6607 && ps.timeStamp == srcFile.lastModified() 6608 && !isCompatSignatureUpdateNeeded(pkg) 6609 && !isRecoverSignatureUpdateNeeded(pkg)) { 6610 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6611 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6612 ArraySet<PublicKey> signingKs; 6613 synchronized (mPackages) { 6614 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6615 } 6616 if (ps.signatures.mSignatures != null 6617 && ps.signatures.mSignatures.length != 0 6618 && signingKs != null) { 6619 // Optimization: reuse the existing cached certificates 6620 // if the package appears to be unchanged. 6621 pkg.mSignatures = ps.signatures.mSignatures; 6622 pkg.mSigningKeys = signingKs; 6623 return; 6624 } 6625 6626 Slog.w(TAG, "PackageSetting for " + ps.name 6627 + " is missing signatures. Collecting certs again to recover them."); 6628 } else { 6629 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6630 } 6631 6632 try { 6633 PackageParser.collectCertificates(pkg, policyFlags); 6634 } catch (PackageParserException e) { 6635 throw PackageManagerException.from(e); 6636 } 6637 } 6638 6639 /** 6640 * Traces a package scan. 6641 * @see #scanPackageLI(File, int, int, long, UserHandle) 6642 */ 6643 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6644 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6645 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6646 try { 6647 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6648 } finally { 6649 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6650 } 6651 } 6652 6653 /** 6654 * Scans a package and returns the newly parsed package. 6655 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6656 */ 6657 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6658 long currentTime, UserHandle user) throws PackageManagerException { 6659 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6660 PackageParser pp = new PackageParser(); 6661 pp.setSeparateProcesses(mSeparateProcesses); 6662 pp.setOnlyCoreApps(mOnlyCore); 6663 pp.setDisplayMetrics(mMetrics); 6664 6665 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6666 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6667 } 6668 6669 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6670 final PackageParser.Package pkg; 6671 try { 6672 pkg = pp.parsePackage(scanFile, parseFlags); 6673 } catch (PackageParserException e) { 6674 throw PackageManagerException.from(e); 6675 } finally { 6676 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6677 } 6678 6679 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6680 } 6681 6682 /** 6683 * Scans a package and returns the newly parsed package. 6684 * @throws PackageManagerException on a parse error. 6685 */ 6686 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6687 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6688 throws PackageManagerException { 6689 // If the package has children and this is the first dive in the function 6690 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6691 // packages (parent and children) would be successfully scanned before the 6692 // actual scan since scanning mutates internal state and we want to atomically 6693 // install the package and its children. 6694 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6695 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6696 scanFlags |= SCAN_CHECK_ONLY; 6697 } 6698 } else { 6699 scanFlags &= ~SCAN_CHECK_ONLY; 6700 } 6701 6702 // Scan the parent 6703 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6704 scanFlags, currentTime, user); 6705 6706 // Scan the children 6707 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6708 for (int i = 0; i < childCount; i++) { 6709 PackageParser.Package childPackage = pkg.childPackages.get(i); 6710 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6711 currentTime, user); 6712 } 6713 6714 6715 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6716 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6717 } 6718 6719 return scannedPkg; 6720 } 6721 6722 /** 6723 * Scans a package and returns the newly parsed package. 6724 * @throws PackageManagerException on a parse error. 6725 */ 6726 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6727 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6728 throws PackageManagerException { 6729 PackageSetting ps = null; 6730 PackageSetting updatedPkg; 6731 // reader 6732 synchronized (mPackages) { 6733 // Look to see if we already know about this package. 6734 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6735 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6736 // This package has been renamed to its original name. Let's 6737 // use that. 6738 ps = mSettings.peekPackageLPr(oldName); 6739 } 6740 // If there was no original package, see one for the real package name. 6741 if (ps == null) { 6742 ps = mSettings.peekPackageLPr(pkg.packageName); 6743 } 6744 // Check to see if this package could be hiding/updating a system 6745 // package. Must look for it either under the original or real 6746 // package name depending on our state. 6747 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6748 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6749 6750 // If this is a package we don't know about on the system partition, we 6751 // may need to remove disabled child packages on the system partition 6752 // or may need to not add child packages if the parent apk is updated 6753 // on the data partition and no longer defines this child package. 6754 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6755 // If this is a parent package for an updated system app and this system 6756 // app got an OTA update which no longer defines some of the child packages 6757 // we have to prune them from the disabled system packages. 6758 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6759 if (disabledPs != null) { 6760 final int scannedChildCount = (pkg.childPackages != null) 6761 ? pkg.childPackages.size() : 0; 6762 final int disabledChildCount = disabledPs.childPackageNames != null 6763 ? disabledPs.childPackageNames.size() : 0; 6764 for (int i = 0; i < disabledChildCount; i++) { 6765 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6766 boolean disabledPackageAvailable = false; 6767 for (int j = 0; j < scannedChildCount; j++) { 6768 PackageParser.Package childPkg = pkg.childPackages.get(j); 6769 if (childPkg.packageName.equals(disabledChildPackageName)) { 6770 disabledPackageAvailable = true; 6771 break; 6772 } 6773 } 6774 if (!disabledPackageAvailable) { 6775 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6776 } 6777 } 6778 } 6779 } 6780 } 6781 6782 boolean updatedPkgBetter = false; 6783 // First check if this is a system package that may involve an update 6784 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6785 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6786 // it needs to drop FLAG_PRIVILEGED. 6787 if (locationIsPrivileged(scanFile)) { 6788 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6789 } else { 6790 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6791 } 6792 6793 if (ps != null && !ps.codePath.equals(scanFile)) { 6794 // The path has changed from what was last scanned... check the 6795 // version of the new path against what we have stored to determine 6796 // what to do. 6797 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6798 if (pkg.mVersionCode <= ps.versionCode) { 6799 // The system package has been updated and the code path does not match 6800 // Ignore entry. Skip it. 6801 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6802 + " ignored: updated version " + ps.versionCode 6803 + " better than this " + pkg.mVersionCode); 6804 if (!updatedPkg.codePath.equals(scanFile)) { 6805 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6806 + ps.name + " changing from " + updatedPkg.codePathString 6807 + " to " + scanFile); 6808 updatedPkg.codePath = scanFile; 6809 updatedPkg.codePathString = scanFile.toString(); 6810 updatedPkg.resourcePath = scanFile; 6811 updatedPkg.resourcePathString = scanFile.toString(); 6812 } 6813 updatedPkg.pkg = pkg; 6814 updatedPkg.versionCode = pkg.mVersionCode; 6815 6816 // Update the disabled system child packages to point to the package too. 6817 final int childCount = updatedPkg.childPackageNames != null 6818 ? updatedPkg.childPackageNames.size() : 0; 6819 for (int i = 0; i < childCount; i++) { 6820 String childPackageName = updatedPkg.childPackageNames.get(i); 6821 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6822 childPackageName); 6823 if (updatedChildPkg != null) { 6824 updatedChildPkg.pkg = pkg; 6825 updatedChildPkg.versionCode = pkg.mVersionCode; 6826 } 6827 } 6828 6829 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6830 + scanFile + " ignored: updated version " + ps.versionCode 6831 + " better than this " + pkg.mVersionCode); 6832 } else { 6833 // The current app on the system partition is better than 6834 // what we have updated to on the data partition; switch 6835 // back to the system partition version. 6836 // At this point, its safely assumed that package installation for 6837 // apps in system partition will go through. If not there won't be a working 6838 // version of the app 6839 // writer 6840 synchronized (mPackages) { 6841 // Just remove the loaded entries from package lists. 6842 mPackages.remove(ps.name); 6843 } 6844 6845 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6846 + " reverting from " + ps.codePathString 6847 + ": new version " + pkg.mVersionCode 6848 + " better than installed " + ps.versionCode); 6849 6850 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6851 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6852 synchronized (mInstallLock) { 6853 args.cleanUpResourcesLI(); 6854 } 6855 synchronized (mPackages) { 6856 mSettings.enableSystemPackageLPw(ps.name); 6857 } 6858 updatedPkgBetter = true; 6859 } 6860 } 6861 } 6862 6863 if (updatedPkg != null) { 6864 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6865 // initially 6866 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6867 6868 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6869 // flag set initially 6870 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6871 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6872 } 6873 } 6874 6875 // Verify certificates against what was last scanned 6876 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6877 6878 /* 6879 * A new system app appeared, but we already had a non-system one of the 6880 * same name installed earlier. 6881 */ 6882 boolean shouldHideSystemApp = false; 6883 if (updatedPkg == null && ps != null 6884 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6885 /* 6886 * Check to make sure the signatures match first. If they don't, 6887 * wipe the installed application and its data. 6888 */ 6889 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6890 != PackageManager.SIGNATURE_MATCH) { 6891 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6892 + " signatures don't match existing userdata copy; removing"); 6893 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6894 "scanPackageInternalLI")) { 6895 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6896 } 6897 ps = null; 6898 } else { 6899 /* 6900 * If the newly-added system app is an older version than the 6901 * already installed version, hide it. It will be scanned later 6902 * and re-added like an update. 6903 */ 6904 if (pkg.mVersionCode <= ps.versionCode) { 6905 shouldHideSystemApp = true; 6906 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6907 + " but new version " + pkg.mVersionCode + " better than installed " 6908 + ps.versionCode + "; hiding system"); 6909 } else { 6910 /* 6911 * The newly found system app is a newer version that the 6912 * one previously installed. Simply remove the 6913 * already-installed application and replace it with our own 6914 * while keeping the application data. 6915 */ 6916 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6917 + " reverting from " + ps.codePathString + ": new version " 6918 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6919 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6920 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6921 synchronized (mInstallLock) { 6922 args.cleanUpResourcesLI(); 6923 } 6924 } 6925 } 6926 } 6927 6928 // The apk is forward locked (not public) if its code and resources 6929 // are kept in different files. (except for app in either system or 6930 // vendor path). 6931 // TODO grab this value from PackageSettings 6932 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6933 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6934 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6935 } 6936 } 6937 6938 // TODO: extend to support forward-locked splits 6939 String resourcePath = null; 6940 String baseResourcePath = null; 6941 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6942 if (ps != null && ps.resourcePathString != null) { 6943 resourcePath = ps.resourcePathString; 6944 baseResourcePath = ps.resourcePathString; 6945 } else { 6946 // Should not happen at all. Just log an error. 6947 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6948 } 6949 } else { 6950 resourcePath = pkg.codePath; 6951 baseResourcePath = pkg.baseCodePath; 6952 } 6953 6954 // Set application objects path explicitly. 6955 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6956 pkg.setApplicationInfoCodePath(pkg.codePath); 6957 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6958 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6959 pkg.setApplicationInfoResourcePath(resourcePath); 6960 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6961 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6962 6963 // Note that we invoke the following method only if we are about to unpack an application 6964 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 6965 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6966 6967 /* 6968 * If the system app should be overridden by a previously installed 6969 * data, hide the system app now and let the /data/app scan pick it up 6970 * again. 6971 */ 6972 if (shouldHideSystemApp) { 6973 synchronized (mPackages) { 6974 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6975 } 6976 } 6977 6978 return scannedPkg; 6979 } 6980 6981 private static String fixProcessName(String defProcessName, 6982 String processName, int uid) { 6983 if (processName == null) { 6984 return defProcessName; 6985 } 6986 return processName; 6987 } 6988 6989 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6990 throws PackageManagerException { 6991 if (pkgSetting.signatures.mSignatures != null) { 6992 // Already existing package. Make sure signatures match 6993 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6994 == PackageManager.SIGNATURE_MATCH; 6995 if (!match) { 6996 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6997 == PackageManager.SIGNATURE_MATCH; 6998 } 6999 if (!match) { 7000 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7001 == PackageManager.SIGNATURE_MATCH; 7002 } 7003 if (!match) { 7004 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7005 + pkg.packageName + " signatures do not match the " 7006 + "previously installed version; ignoring!"); 7007 } 7008 } 7009 7010 // Check for shared user signatures 7011 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7012 // Already existing package. Make sure signatures match 7013 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7014 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7015 if (!match) { 7016 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7017 == PackageManager.SIGNATURE_MATCH; 7018 } 7019 if (!match) { 7020 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7021 == PackageManager.SIGNATURE_MATCH; 7022 } 7023 if (!match) { 7024 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7025 "Package " + pkg.packageName 7026 + " has no signatures that match those in shared user " 7027 + pkgSetting.sharedUser.name + "; ignoring!"); 7028 } 7029 } 7030 } 7031 7032 /** 7033 * Enforces that only the system UID or root's UID can call a method exposed 7034 * via Binder. 7035 * 7036 * @param message used as message if SecurityException is thrown 7037 * @throws SecurityException if the caller is not system or root 7038 */ 7039 private static final void enforceSystemOrRoot(String message) { 7040 final int uid = Binder.getCallingUid(); 7041 if (uid != Process.SYSTEM_UID && uid != 0) { 7042 throw new SecurityException(message); 7043 } 7044 } 7045 7046 @Override 7047 public void performFstrimIfNeeded() { 7048 enforceSystemOrRoot("Only the system can request fstrim"); 7049 7050 // Before everything else, see whether we need to fstrim. 7051 try { 7052 IMountService ms = PackageHelper.getMountService(); 7053 if (ms != null) { 7054 final boolean isUpgrade = isUpgrade(); 7055 boolean doTrim = isUpgrade; 7056 if (doTrim) { 7057 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7058 } else { 7059 final long interval = android.provider.Settings.Global.getLong( 7060 mContext.getContentResolver(), 7061 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7062 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7063 if (interval > 0) { 7064 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7065 if (timeSinceLast > interval) { 7066 doTrim = true; 7067 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7068 + "; running immediately"); 7069 } 7070 } 7071 } 7072 if (doTrim) { 7073 if (!isFirstBoot()) { 7074 try { 7075 ActivityManagerNative.getDefault().showBootMessage( 7076 mContext.getResources().getString( 7077 R.string.android_upgrading_fstrim), true); 7078 } catch (RemoteException e) { 7079 } 7080 } 7081 ms.runMaintenance(); 7082 } 7083 } else { 7084 Slog.e(TAG, "Mount service unavailable!"); 7085 } 7086 } catch (RemoteException e) { 7087 // Can't happen; MountService is local 7088 } 7089 } 7090 7091 @Override 7092 public void updatePackagesIfNeeded() { 7093 enforceSystemOrRoot("Only the system can request package update"); 7094 7095 // We need to re-extract after an OTA. 7096 boolean causeUpgrade = isUpgrade(); 7097 7098 // First boot or factory reset. 7099 // Note: we also handle devices that are upgrading to N right now as if it is their 7100 // first boot, as they do not have profile data. 7101 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7102 7103 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7104 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7105 7106 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7107 return; 7108 } 7109 7110 List<PackageParser.Package> pkgs; 7111 synchronized (mPackages) { 7112 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7113 } 7114 7115 final long startTime = System.nanoTime(); 7116 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7117 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7118 7119 final int elapsedTimeSeconds = 7120 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7121 7122 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7123 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7124 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7125 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7126 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7127 } 7128 7129 /** 7130 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7131 * containing statistics about the invocation. The array consists of three elements, 7132 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7133 * and {@code numberOfPackagesFailed}. 7134 */ 7135 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7136 String compilerFilter) { 7137 7138 int numberOfPackagesVisited = 0; 7139 int numberOfPackagesOptimized = 0; 7140 int numberOfPackagesSkipped = 0; 7141 int numberOfPackagesFailed = 0; 7142 final int numberOfPackagesToDexopt = pkgs.size(); 7143 7144 for (PackageParser.Package pkg : pkgs) { 7145 numberOfPackagesVisited++; 7146 7147 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7148 if (DEBUG_DEXOPT) { 7149 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7150 } 7151 numberOfPackagesSkipped++; 7152 continue; 7153 } 7154 7155 if (DEBUG_DEXOPT) { 7156 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7157 numberOfPackagesToDexopt + ": " + pkg.packageName); 7158 } 7159 7160 if (showDialog) { 7161 try { 7162 ActivityManagerNative.getDefault().showBootMessage( 7163 mContext.getResources().getString(R.string.android_upgrading_apk, 7164 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7165 } catch (RemoteException e) { 7166 } 7167 } 7168 7169 // If the OTA updates a system app which was previously preopted to a non-preopted state 7170 // the app might end up being verified at runtime. That's because by default the apps 7171 // are verify-profile but for preopted apps there's no profile. 7172 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7173 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7174 // filter (by default interpret-only). 7175 // Note that at this stage unused apps are already filtered. 7176 if (isSystemApp(pkg) && 7177 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7178 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7179 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7180 } 7181 7182 // checkProfiles is false to avoid merging profiles during boot which 7183 // might interfere with background compilation (b/28612421). 7184 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7185 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7186 // trade-off worth doing to save boot time work. 7187 int dexOptStatus = performDexOptTraced(pkg.packageName, 7188 false /* checkProfiles */, 7189 compilerFilter, 7190 false /* force */); 7191 switch (dexOptStatus) { 7192 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7193 numberOfPackagesOptimized++; 7194 break; 7195 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7196 numberOfPackagesSkipped++; 7197 break; 7198 case PackageDexOptimizer.DEX_OPT_FAILED: 7199 numberOfPackagesFailed++; 7200 break; 7201 default: 7202 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7203 break; 7204 } 7205 } 7206 7207 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7208 numberOfPackagesFailed }; 7209 } 7210 7211 @Override 7212 public void notifyPackageUse(String packageName, int reason) { 7213 synchronized (mPackages) { 7214 PackageParser.Package p = mPackages.get(packageName); 7215 if (p == null) { 7216 return; 7217 } 7218 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7219 } 7220 } 7221 7222 // TODO: this is not used nor needed. Delete it. 7223 @Override 7224 public boolean performDexOptIfNeeded(String packageName) { 7225 int dexOptStatus = performDexOptTraced(packageName, 7226 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7227 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7228 } 7229 7230 @Override 7231 public boolean performDexOpt(String packageName, 7232 boolean checkProfiles, int compileReason, boolean force) { 7233 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7234 getCompilerFilterForReason(compileReason), force); 7235 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7236 } 7237 7238 @Override 7239 public boolean performDexOptMode(String packageName, 7240 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7241 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7242 targetCompilerFilter, force); 7243 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7244 } 7245 7246 private int performDexOptTraced(String packageName, 7247 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7248 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7249 try { 7250 return performDexOptInternal(packageName, checkProfiles, 7251 targetCompilerFilter, force); 7252 } finally { 7253 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7254 } 7255 } 7256 7257 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7258 // if the package can now be considered up to date for the given filter. 7259 private int performDexOptInternal(String packageName, 7260 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7261 PackageParser.Package p; 7262 synchronized (mPackages) { 7263 p = mPackages.get(packageName); 7264 if (p == null) { 7265 // Package could not be found. Report failure. 7266 return PackageDexOptimizer.DEX_OPT_FAILED; 7267 } 7268 mPackageUsage.maybeWriteAsync(mPackages); 7269 mCompilerStats.maybeWriteAsync(); 7270 } 7271 long callingId = Binder.clearCallingIdentity(); 7272 try { 7273 synchronized (mInstallLock) { 7274 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7275 targetCompilerFilter, force); 7276 } 7277 } finally { 7278 Binder.restoreCallingIdentity(callingId); 7279 } 7280 } 7281 7282 public ArraySet<String> getOptimizablePackages() { 7283 ArraySet<String> pkgs = new ArraySet<String>(); 7284 synchronized (mPackages) { 7285 for (PackageParser.Package p : mPackages.values()) { 7286 if (PackageDexOptimizer.canOptimizePackage(p)) { 7287 pkgs.add(p.packageName); 7288 } 7289 } 7290 } 7291 return pkgs; 7292 } 7293 7294 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7295 boolean checkProfiles, String targetCompilerFilter, 7296 boolean force) { 7297 // Select the dex optimizer based on the force parameter. 7298 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7299 // allocate an object here. 7300 PackageDexOptimizer pdo = force 7301 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7302 : mPackageDexOptimizer; 7303 7304 // Optimize all dependencies first. Note: we ignore the return value and march on 7305 // on errors. 7306 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7307 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7308 if (!deps.isEmpty()) { 7309 for (PackageParser.Package depPackage : deps) { 7310 // TODO: Analyze and investigate if we (should) profile libraries. 7311 // Currently this will do a full compilation of the library by default. 7312 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7313 false /* checkProfiles */, 7314 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7315 getOrCreateCompilerPackageStats(depPackage)); 7316 } 7317 } 7318 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7319 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7320 } 7321 7322 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7323 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7324 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7325 Set<String> collectedNames = new HashSet<>(); 7326 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7327 7328 retValue.remove(p); 7329 7330 return retValue; 7331 } else { 7332 return Collections.emptyList(); 7333 } 7334 } 7335 7336 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7337 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7338 if (!collectedNames.contains(p.packageName)) { 7339 collectedNames.add(p.packageName); 7340 collected.add(p); 7341 7342 if (p.usesLibraries != null) { 7343 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7344 } 7345 if (p.usesOptionalLibraries != null) { 7346 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7347 collectedNames); 7348 } 7349 } 7350 } 7351 7352 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7353 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7354 for (String libName : libs) { 7355 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7356 if (libPkg != null) { 7357 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7358 } 7359 } 7360 } 7361 7362 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7363 synchronized (mPackages) { 7364 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7365 if (lib != null && lib.apk != null) { 7366 return mPackages.get(lib.apk); 7367 } 7368 } 7369 return null; 7370 } 7371 7372 public void shutdown() { 7373 mPackageUsage.writeNow(mPackages); 7374 mCompilerStats.writeNow(); 7375 } 7376 7377 @Override 7378 public void dumpProfiles(String packageName) { 7379 PackageParser.Package pkg; 7380 synchronized (mPackages) { 7381 pkg = mPackages.get(packageName); 7382 if (pkg == null) { 7383 throw new IllegalArgumentException("Unknown package: " + packageName); 7384 } 7385 } 7386 /* Only the shell, root, or the app user should be able to dump profiles. */ 7387 int callingUid = Binder.getCallingUid(); 7388 if (callingUid != Process.SHELL_UID && 7389 callingUid != Process.ROOT_UID && 7390 callingUid != pkg.applicationInfo.uid) { 7391 throw new SecurityException("dumpProfiles"); 7392 } 7393 7394 synchronized (mInstallLock) { 7395 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7396 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7397 try { 7398 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7399 String gid = Integer.toString(sharedGid); 7400 String codePaths = TextUtils.join(";", allCodePaths); 7401 mInstaller.dumpProfiles(gid, packageName, codePaths); 7402 } catch (InstallerException e) { 7403 Slog.w(TAG, "Failed to dump profiles", e); 7404 } 7405 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7406 } 7407 } 7408 7409 @Override 7410 public void forceDexOpt(String packageName) { 7411 enforceSystemOrRoot("forceDexOpt"); 7412 7413 PackageParser.Package pkg; 7414 synchronized (mPackages) { 7415 pkg = mPackages.get(packageName); 7416 if (pkg == null) { 7417 throw new IllegalArgumentException("Unknown package: " + packageName); 7418 } 7419 } 7420 7421 synchronized (mInstallLock) { 7422 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7423 7424 // Whoever is calling forceDexOpt wants a fully compiled package. 7425 // Don't use profiles since that may cause compilation to be skipped. 7426 final int res = performDexOptInternalWithDependenciesLI(pkg, 7427 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7428 true /* force */); 7429 7430 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7431 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7432 throw new IllegalStateException("Failed to dexopt: " + res); 7433 } 7434 } 7435 } 7436 7437 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7438 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7439 Slog.w(TAG, "Unable to update from " + oldPkg.name 7440 + " to " + newPkg.packageName 7441 + ": old package not in system partition"); 7442 return false; 7443 } else if (mPackages.get(oldPkg.name) != null) { 7444 Slog.w(TAG, "Unable to update from " + oldPkg.name 7445 + " to " + newPkg.packageName 7446 + ": old package still exists"); 7447 return false; 7448 } 7449 return true; 7450 } 7451 7452 void removeCodePathLI(File codePath) { 7453 if (codePath.isDirectory()) { 7454 try { 7455 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7456 } catch (InstallerException e) { 7457 Slog.w(TAG, "Failed to remove code path", e); 7458 } 7459 } else { 7460 codePath.delete(); 7461 } 7462 } 7463 7464 private int[] resolveUserIds(int userId) { 7465 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7466 } 7467 7468 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7469 if (pkg == null) { 7470 Slog.wtf(TAG, "Package was null!", new Throwable()); 7471 return; 7472 } 7473 clearAppDataLeafLIF(pkg, userId, flags); 7474 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7475 for (int i = 0; i < childCount; i++) { 7476 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7477 } 7478 } 7479 7480 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7481 final PackageSetting ps; 7482 synchronized (mPackages) { 7483 ps = mSettings.mPackages.get(pkg.packageName); 7484 } 7485 for (int realUserId : resolveUserIds(userId)) { 7486 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7487 try { 7488 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7489 ceDataInode); 7490 } catch (InstallerException e) { 7491 Slog.w(TAG, String.valueOf(e)); 7492 } 7493 } 7494 } 7495 7496 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7497 if (pkg == null) { 7498 Slog.wtf(TAG, "Package was null!", new Throwable()); 7499 return; 7500 } 7501 destroyAppDataLeafLIF(pkg, userId, flags); 7502 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7503 for (int i = 0; i < childCount; i++) { 7504 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7505 } 7506 } 7507 7508 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7509 final PackageSetting ps; 7510 synchronized (mPackages) { 7511 ps = mSettings.mPackages.get(pkg.packageName); 7512 } 7513 for (int realUserId : resolveUserIds(userId)) { 7514 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7515 try { 7516 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7517 ceDataInode); 7518 } catch (InstallerException e) { 7519 Slog.w(TAG, String.valueOf(e)); 7520 } 7521 } 7522 } 7523 7524 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7525 if (pkg == null) { 7526 Slog.wtf(TAG, "Package was null!", new Throwable()); 7527 return; 7528 } 7529 destroyAppProfilesLeafLIF(pkg); 7530 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7531 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7532 for (int i = 0; i < childCount; i++) { 7533 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7534 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7535 true /* removeBaseMarker */); 7536 } 7537 } 7538 7539 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7540 boolean removeBaseMarker) { 7541 if (pkg.isForwardLocked()) { 7542 return; 7543 } 7544 7545 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7546 try { 7547 path = PackageManagerServiceUtils.realpath(new File(path)); 7548 } catch (IOException e) { 7549 // TODO: Should we return early here ? 7550 Slog.w(TAG, "Failed to get canonical path", e); 7551 continue; 7552 } 7553 7554 final String useMarker = path.replace('/', '@'); 7555 for (int realUserId : resolveUserIds(userId)) { 7556 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7557 if (removeBaseMarker) { 7558 File foreignUseMark = new File(profileDir, useMarker); 7559 if (foreignUseMark.exists()) { 7560 if (!foreignUseMark.delete()) { 7561 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7562 + pkg.packageName); 7563 } 7564 } 7565 } 7566 7567 File[] markers = profileDir.listFiles(); 7568 if (markers != null) { 7569 final String searchString = "@" + pkg.packageName + "@"; 7570 // We also delete all markers that contain the package name we're 7571 // uninstalling. These are associated with secondary dex-files belonging 7572 // to the package. Reconstructing the path of these dex files is messy 7573 // in general. 7574 for (File marker : markers) { 7575 if (marker.getName().indexOf(searchString) > 0) { 7576 if (!marker.delete()) { 7577 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7578 + pkg.packageName); 7579 } 7580 } 7581 } 7582 } 7583 } 7584 } 7585 } 7586 7587 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7588 try { 7589 mInstaller.destroyAppProfiles(pkg.packageName); 7590 } catch (InstallerException e) { 7591 Slog.w(TAG, String.valueOf(e)); 7592 } 7593 } 7594 7595 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7596 if (pkg == null) { 7597 Slog.wtf(TAG, "Package was null!", new Throwable()); 7598 return; 7599 } 7600 clearAppProfilesLeafLIF(pkg); 7601 // We don't remove the base foreign use marker when clearing profiles because 7602 // we will rename it when the app is updated. Unlike the actual profile contents, 7603 // the foreign use marker is good across installs. 7604 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7605 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7606 for (int i = 0; i < childCount; i++) { 7607 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7608 } 7609 } 7610 7611 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7612 try { 7613 mInstaller.clearAppProfiles(pkg.packageName); 7614 } catch (InstallerException e) { 7615 Slog.w(TAG, String.valueOf(e)); 7616 } 7617 } 7618 7619 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7620 long lastUpdateTime) { 7621 // Set parent install/update time 7622 PackageSetting ps = (PackageSetting) pkg.mExtras; 7623 if (ps != null) { 7624 ps.firstInstallTime = firstInstallTime; 7625 ps.lastUpdateTime = lastUpdateTime; 7626 } 7627 // Set children install/update time 7628 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7629 for (int i = 0; i < childCount; i++) { 7630 PackageParser.Package childPkg = pkg.childPackages.get(i); 7631 ps = (PackageSetting) childPkg.mExtras; 7632 if (ps != null) { 7633 ps.firstInstallTime = firstInstallTime; 7634 ps.lastUpdateTime = lastUpdateTime; 7635 } 7636 } 7637 } 7638 7639 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7640 PackageParser.Package changingLib) { 7641 if (file.path != null) { 7642 usesLibraryFiles.add(file.path); 7643 return; 7644 } 7645 PackageParser.Package p = mPackages.get(file.apk); 7646 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7647 // If we are doing this while in the middle of updating a library apk, 7648 // then we need to make sure to use that new apk for determining the 7649 // dependencies here. (We haven't yet finished committing the new apk 7650 // to the package manager state.) 7651 if (p == null || p.packageName.equals(changingLib.packageName)) { 7652 p = changingLib; 7653 } 7654 } 7655 if (p != null) { 7656 usesLibraryFiles.addAll(p.getAllCodePaths()); 7657 } 7658 } 7659 7660 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7661 PackageParser.Package changingLib) throws PackageManagerException { 7662 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7663 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7664 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7665 for (int i=0; i<N; i++) { 7666 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7667 if (file == null) { 7668 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7669 "Package " + pkg.packageName + " requires unavailable shared library " 7670 + pkg.usesLibraries.get(i) + "; failing!"); 7671 } 7672 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7673 } 7674 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7675 for (int i=0; i<N; i++) { 7676 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7677 if (file == null) { 7678 Slog.w(TAG, "Package " + pkg.packageName 7679 + " desires unavailable shared library " 7680 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7681 } else { 7682 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7683 } 7684 } 7685 N = usesLibraryFiles.size(); 7686 if (N > 0) { 7687 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7688 } else { 7689 pkg.usesLibraryFiles = null; 7690 } 7691 } 7692 } 7693 7694 private static boolean hasString(List<String> list, List<String> which) { 7695 if (list == null) { 7696 return false; 7697 } 7698 for (int i=list.size()-1; i>=0; i--) { 7699 for (int j=which.size()-1; j>=0; j--) { 7700 if (which.get(j).equals(list.get(i))) { 7701 return true; 7702 } 7703 } 7704 } 7705 return false; 7706 } 7707 7708 private void updateAllSharedLibrariesLPw() { 7709 for (PackageParser.Package pkg : mPackages.values()) { 7710 try { 7711 updateSharedLibrariesLPw(pkg, null); 7712 } catch (PackageManagerException e) { 7713 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7714 } 7715 } 7716 } 7717 7718 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7719 PackageParser.Package changingPkg) { 7720 ArrayList<PackageParser.Package> res = null; 7721 for (PackageParser.Package pkg : mPackages.values()) { 7722 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7723 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7724 if (res == null) { 7725 res = new ArrayList<PackageParser.Package>(); 7726 } 7727 res.add(pkg); 7728 try { 7729 updateSharedLibrariesLPw(pkg, changingPkg); 7730 } catch (PackageManagerException e) { 7731 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7732 } 7733 } 7734 } 7735 return res; 7736 } 7737 7738 /** 7739 * Derive the value of the {@code cpuAbiOverride} based on the provided 7740 * value and an optional stored value from the package settings. 7741 */ 7742 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7743 String cpuAbiOverride = null; 7744 7745 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7746 cpuAbiOverride = null; 7747 } else if (abiOverride != null) { 7748 cpuAbiOverride = abiOverride; 7749 } else if (settings != null) { 7750 cpuAbiOverride = settings.cpuAbiOverrideString; 7751 } 7752 7753 return cpuAbiOverride; 7754 } 7755 7756 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7757 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7758 throws PackageManagerException { 7759 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7760 // If the package has children and this is the first dive in the function 7761 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7762 // whether all packages (parent and children) would be successfully scanned 7763 // before the actual scan since scanning mutates internal state and we want 7764 // to atomically install the package and its children. 7765 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7766 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7767 scanFlags |= SCAN_CHECK_ONLY; 7768 } 7769 } else { 7770 scanFlags &= ~SCAN_CHECK_ONLY; 7771 } 7772 7773 final PackageParser.Package scannedPkg; 7774 try { 7775 // Scan the parent 7776 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7777 // Scan the children 7778 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7779 for (int i = 0; i < childCount; i++) { 7780 PackageParser.Package childPkg = pkg.childPackages.get(i); 7781 scanPackageLI(childPkg, policyFlags, 7782 scanFlags, currentTime, user); 7783 } 7784 } finally { 7785 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7786 } 7787 7788 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7789 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7790 } 7791 7792 return scannedPkg; 7793 } 7794 7795 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7796 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7797 boolean success = false; 7798 try { 7799 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7800 currentTime, user); 7801 success = true; 7802 return res; 7803 } finally { 7804 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7805 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7806 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7807 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7808 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7809 } 7810 } 7811 } 7812 7813 /** 7814 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7815 */ 7816 private static boolean apkHasCode(String fileName) { 7817 StrictJarFile jarFile = null; 7818 try { 7819 jarFile = new StrictJarFile(fileName, 7820 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7821 return jarFile.findEntry("classes.dex") != null; 7822 } catch (IOException ignore) { 7823 } finally { 7824 try { 7825 jarFile.close(); 7826 } catch (IOException ignore) {} 7827 } 7828 return false; 7829 } 7830 7831 /** 7832 * Enforces code policy for the package. This ensures that if an APK has 7833 * declared hasCode="true" in its manifest that the APK actually contains 7834 * code. 7835 * 7836 * @throws PackageManagerException If bytecode could not be found when it should exist 7837 */ 7838 private static void enforceCodePolicy(PackageParser.Package pkg) 7839 throws PackageManagerException { 7840 final boolean shouldHaveCode = 7841 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7842 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7843 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7844 "Package " + pkg.baseCodePath + " code is missing"); 7845 } 7846 7847 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7848 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7849 final boolean splitShouldHaveCode = 7850 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7851 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7852 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7853 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7854 } 7855 } 7856 } 7857 } 7858 7859 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7860 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7861 throws PackageManagerException { 7862 final File scanFile = new File(pkg.codePath); 7863 if (pkg.applicationInfo.getCodePath() == null || 7864 pkg.applicationInfo.getResourcePath() == null) { 7865 // Bail out. The resource and code paths haven't been set. 7866 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7867 "Code and resource paths haven't been set correctly"); 7868 } 7869 7870 // Apply policy 7871 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7872 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7873 if (pkg.applicationInfo.isDirectBootAware()) { 7874 // we're direct boot aware; set for all components 7875 for (PackageParser.Service s : pkg.services) { 7876 s.info.encryptionAware = s.info.directBootAware = true; 7877 } 7878 for (PackageParser.Provider p : pkg.providers) { 7879 p.info.encryptionAware = p.info.directBootAware = true; 7880 } 7881 for (PackageParser.Activity a : pkg.activities) { 7882 a.info.encryptionAware = a.info.directBootAware = true; 7883 } 7884 for (PackageParser.Activity r : pkg.receivers) { 7885 r.info.encryptionAware = r.info.directBootAware = true; 7886 } 7887 } 7888 } else { 7889 // Only allow system apps to be flagged as core apps. 7890 pkg.coreApp = false; 7891 // clear flags not applicable to regular apps 7892 pkg.applicationInfo.privateFlags &= 7893 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7894 pkg.applicationInfo.privateFlags &= 7895 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7896 } 7897 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7898 7899 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7900 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7901 } 7902 7903 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7904 enforceCodePolicy(pkg); 7905 } 7906 7907 if (mCustomResolverComponentName != null && 7908 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7909 setUpCustomResolverActivity(pkg); 7910 } 7911 7912 if (pkg.packageName.equals("android")) { 7913 synchronized (mPackages) { 7914 if (mAndroidApplication != null) { 7915 Slog.w(TAG, "*************************************************"); 7916 Slog.w(TAG, "Core android package being redefined. Skipping."); 7917 Slog.w(TAG, " file=" + scanFile); 7918 Slog.w(TAG, "*************************************************"); 7919 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7920 "Core android package being redefined. Skipping."); 7921 } 7922 7923 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7924 // Set up information for our fall-back user intent resolution activity. 7925 mPlatformPackage = pkg; 7926 pkg.mVersionCode = mSdkVersion; 7927 mAndroidApplication = pkg.applicationInfo; 7928 7929 if (!mResolverReplaced) { 7930 mResolveActivity.applicationInfo = mAndroidApplication; 7931 mResolveActivity.name = ResolverActivity.class.getName(); 7932 mResolveActivity.packageName = mAndroidApplication.packageName; 7933 mResolveActivity.processName = "system:ui"; 7934 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7935 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7936 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7937 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7938 mResolveActivity.exported = true; 7939 mResolveActivity.enabled = true; 7940 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7941 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7942 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7943 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7944 | ActivityInfo.CONFIG_ORIENTATION 7945 | ActivityInfo.CONFIG_KEYBOARD 7946 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7947 mResolveInfo.activityInfo = mResolveActivity; 7948 mResolveInfo.priority = 0; 7949 mResolveInfo.preferredOrder = 0; 7950 mResolveInfo.match = 0; 7951 mResolveComponentName = new ComponentName( 7952 mAndroidApplication.packageName, mResolveActivity.name); 7953 } 7954 } 7955 } 7956 } 7957 7958 if (DEBUG_PACKAGE_SCANNING) { 7959 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7960 Log.d(TAG, "Scanning package " + pkg.packageName); 7961 } 7962 7963 synchronized (mPackages) { 7964 if (mPackages.containsKey(pkg.packageName) 7965 || mSharedLibraries.containsKey(pkg.packageName)) { 7966 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7967 "Application package " + pkg.packageName 7968 + " already installed. Skipping duplicate."); 7969 } 7970 7971 // If we're only installing presumed-existing packages, require that the 7972 // scanned APK is both already known and at the path previously established 7973 // for it. Previously unknown packages we pick up normally, but if we have an 7974 // a priori expectation about this package's install presence, enforce it. 7975 // With a singular exception for new system packages. When an OTA contains 7976 // a new system package, we allow the codepath to change from a system location 7977 // to the user-installed location. If we don't allow this change, any newer, 7978 // user-installed version of the application will be ignored. 7979 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7980 if (mExpectingBetter.containsKey(pkg.packageName)) { 7981 logCriticalInfo(Log.WARN, 7982 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7983 } else { 7984 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7985 if (known != null) { 7986 if (DEBUG_PACKAGE_SCANNING) { 7987 Log.d(TAG, "Examining " + pkg.codePath 7988 + " and requiring known paths " + known.codePathString 7989 + " & " + known.resourcePathString); 7990 } 7991 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7992 || !pkg.applicationInfo.getResourcePath().equals( 7993 known.resourcePathString)) { 7994 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7995 "Application package " + pkg.packageName 7996 + " found at " + pkg.applicationInfo.getCodePath() 7997 + " but expected at " + known.codePathString 7998 + "; ignoring."); 7999 } 8000 } 8001 } 8002 } 8003 } 8004 8005 // Initialize package source and resource directories 8006 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8007 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8008 8009 SharedUserSetting suid = null; 8010 PackageSetting pkgSetting = null; 8011 8012 if (!isSystemApp(pkg)) { 8013 // Only system apps can use these features. 8014 pkg.mOriginalPackages = null; 8015 pkg.mRealPackage = null; 8016 pkg.mAdoptPermissions = null; 8017 } 8018 8019 // Getting the package setting may have a side-effect, so if we 8020 // are only checking if scan would succeed, stash a copy of the 8021 // old setting to restore at the end. 8022 PackageSetting nonMutatedPs = null; 8023 8024 // writer 8025 synchronized (mPackages) { 8026 if (pkg.mSharedUserId != null) { 8027 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8028 if (suid == null) { 8029 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8030 "Creating application package " + pkg.packageName 8031 + " for shared user failed"); 8032 } 8033 if (DEBUG_PACKAGE_SCANNING) { 8034 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8035 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8036 + "): packages=" + suid.packages); 8037 } 8038 } 8039 8040 // Check if we are renaming from an original package name. 8041 PackageSetting origPackage = null; 8042 String realName = null; 8043 if (pkg.mOriginalPackages != null) { 8044 // This package may need to be renamed to a previously 8045 // installed name. Let's check on that... 8046 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8047 if (pkg.mOriginalPackages.contains(renamed)) { 8048 // This package had originally been installed as the 8049 // original name, and we have already taken care of 8050 // transitioning to the new one. Just update the new 8051 // one to continue using the old name. 8052 realName = pkg.mRealPackage; 8053 if (!pkg.packageName.equals(renamed)) { 8054 // Callers into this function may have already taken 8055 // care of renaming the package; only do it here if 8056 // it is not already done. 8057 pkg.setPackageName(renamed); 8058 } 8059 8060 } else { 8061 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8062 if ((origPackage = mSettings.peekPackageLPr( 8063 pkg.mOriginalPackages.get(i))) != null) { 8064 // We do have the package already installed under its 8065 // original name... should we use it? 8066 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8067 // New package is not compatible with original. 8068 origPackage = null; 8069 continue; 8070 } else if (origPackage.sharedUser != null) { 8071 // Make sure uid is compatible between packages. 8072 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8073 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8074 + " to " + pkg.packageName + ": old uid " 8075 + origPackage.sharedUser.name 8076 + " differs from " + pkg.mSharedUserId); 8077 origPackage = null; 8078 continue; 8079 } 8080 // TODO: Add case when shared user id is added [b/28144775] 8081 } else { 8082 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8083 + pkg.packageName + " to old name " + origPackage.name); 8084 } 8085 break; 8086 } 8087 } 8088 } 8089 } 8090 8091 if (mTransferedPackages.contains(pkg.packageName)) { 8092 Slog.w(TAG, "Package " + pkg.packageName 8093 + " was transferred to another, but its .apk remains"); 8094 } 8095 8096 // See comments in nonMutatedPs declaration 8097 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8098 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8099 if (foundPs != null) { 8100 nonMutatedPs = new PackageSetting(foundPs); 8101 } 8102 } 8103 8104 // Just create the setting, don't add it yet. For already existing packages 8105 // the PkgSetting exists already and doesn't have to be created. 8106 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8107 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8108 pkg.applicationInfo.primaryCpuAbi, 8109 pkg.applicationInfo.secondaryCpuAbi, 8110 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8111 user, false); 8112 if (pkgSetting == null) { 8113 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8114 "Creating application package " + pkg.packageName + " failed"); 8115 } 8116 8117 if (pkgSetting.origPackage != null) { 8118 // If we are first transitioning from an original package, 8119 // fix up the new package's name now. We need to do this after 8120 // looking up the package under its new name, so getPackageLP 8121 // can take care of fiddling things correctly. 8122 pkg.setPackageName(origPackage.name); 8123 8124 // File a report about this. 8125 String msg = "New package " + pkgSetting.realName 8126 + " renamed to replace old package " + pkgSetting.name; 8127 reportSettingsProblem(Log.WARN, msg); 8128 8129 // Make a note of it. 8130 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8131 mTransferedPackages.add(origPackage.name); 8132 } 8133 8134 // No longer need to retain this. 8135 pkgSetting.origPackage = null; 8136 } 8137 8138 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8139 // Make a note of it. 8140 mTransferedPackages.add(pkg.packageName); 8141 } 8142 8143 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8144 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8145 } 8146 8147 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8148 // Check all shared libraries and map to their actual file path. 8149 // We only do this here for apps not on a system dir, because those 8150 // are the only ones that can fail an install due to this. We 8151 // will take care of the system apps by updating all of their 8152 // library paths after the scan is done. 8153 updateSharedLibrariesLPw(pkg, null); 8154 } 8155 8156 if (mFoundPolicyFile) { 8157 SELinuxMMAC.assignSeinfoValue(pkg); 8158 } 8159 8160 pkg.applicationInfo.uid = pkgSetting.appId; 8161 pkg.mExtras = pkgSetting; 8162 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8163 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8164 // We just determined the app is signed correctly, so bring 8165 // over the latest parsed certs. 8166 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8167 } else { 8168 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8169 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8170 "Package " + pkg.packageName + " upgrade keys do not match the " 8171 + "previously installed version"); 8172 } else { 8173 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8174 String msg = "System package " + pkg.packageName 8175 + " signature changed; retaining data."; 8176 reportSettingsProblem(Log.WARN, msg); 8177 } 8178 } 8179 } else { 8180 try { 8181 verifySignaturesLP(pkgSetting, pkg); 8182 // We just determined the app is signed correctly, so bring 8183 // over the latest parsed certs. 8184 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8185 } catch (PackageManagerException e) { 8186 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8187 throw e; 8188 } 8189 // The signature has changed, but this package is in the system 8190 // image... let's recover! 8191 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8192 // However... if this package is part of a shared user, but it 8193 // doesn't match the signature of the shared user, let's fail. 8194 // What this means is that you can't change the signatures 8195 // associated with an overall shared user, which doesn't seem all 8196 // that unreasonable. 8197 if (pkgSetting.sharedUser != null) { 8198 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8199 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8200 throw new PackageManagerException( 8201 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8202 "Signature mismatch for shared user: " 8203 + pkgSetting.sharedUser); 8204 } 8205 } 8206 // File a report about this. 8207 String msg = "System package " + pkg.packageName 8208 + " signature changed; retaining data."; 8209 reportSettingsProblem(Log.WARN, msg); 8210 } 8211 } 8212 // Verify that this new package doesn't have any content providers 8213 // that conflict with existing packages. Only do this if the 8214 // package isn't already installed, since we don't want to break 8215 // things that are installed. 8216 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8217 final int N = pkg.providers.size(); 8218 int i; 8219 for (i=0; i<N; i++) { 8220 PackageParser.Provider p = pkg.providers.get(i); 8221 if (p.info.authority != null) { 8222 String names[] = p.info.authority.split(";"); 8223 for (int j = 0; j < names.length; j++) { 8224 if (mProvidersByAuthority.containsKey(names[j])) { 8225 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8226 final String otherPackageName = 8227 ((other != null && other.getComponentName() != null) ? 8228 other.getComponentName().getPackageName() : "?"); 8229 throw new PackageManagerException( 8230 INSTALL_FAILED_CONFLICTING_PROVIDER, 8231 "Can't install because provider name " + names[j] 8232 + " (in package " + pkg.applicationInfo.packageName 8233 + ") is already used by " + otherPackageName); 8234 } 8235 } 8236 } 8237 } 8238 } 8239 8240 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8241 // This package wants to adopt ownership of permissions from 8242 // another package. 8243 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8244 final String origName = pkg.mAdoptPermissions.get(i); 8245 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8246 if (orig != null) { 8247 if (verifyPackageUpdateLPr(orig, pkg)) { 8248 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8249 + pkg.packageName); 8250 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8251 } 8252 } 8253 } 8254 } 8255 } 8256 8257 final String pkgName = pkg.packageName; 8258 8259 final long scanFileTime = scanFile.lastModified(); 8260 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8261 pkg.applicationInfo.processName = fixProcessName( 8262 pkg.applicationInfo.packageName, 8263 pkg.applicationInfo.processName, 8264 pkg.applicationInfo.uid); 8265 8266 if (pkg != mPlatformPackage) { 8267 // Get all of our default paths setup 8268 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8269 } 8270 8271 final String path = scanFile.getPath(); 8272 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8273 8274 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8275 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8276 8277 // Some system apps still use directory structure for native libraries 8278 // in which case we might end up not detecting abi solely based on apk 8279 // structure. Try to detect abi based on directory structure. 8280 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8281 pkg.applicationInfo.primaryCpuAbi == null) { 8282 setBundledAppAbisAndRoots(pkg, pkgSetting); 8283 setNativeLibraryPaths(pkg); 8284 } 8285 8286 } else { 8287 if ((scanFlags & SCAN_MOVE) != 0) { 8288 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8289 // but we already have this packages package info in the PackageSetting. We just 8290 // use that and derive the native library path based on the new codepath. 8291 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8292 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8293 } 8294 8295 // Set native library paths again. For moves, the path will be updated based on the 8296 // ABIs we've determined above. For non-moves, the path will be updated based on the 8297 // ABIs we determined during compilation, but the path will depend on the final 8298 // package path (after the rename away from the stage path). 8299 setNativeLibraryPaths(pkg); 8300 } 8301 8302 // This is a special case for the "system" package, where the ABI is 8303 // dictated by the zygote configuration (and init.rc). We should keep track 8304 // of this ABI so that we can deal with "normal" applications that run under 8305 // the same UID correctly. 8306 if (mPlatformPackage == pkg) { 8307 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8308 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8309 } 8310 8311 // If there's a mismatch between the abi-override in the package setting 8312 // and the abiOverride specified for the install. Warn about this because we 8313 // would've already compiled the app without taking the package setting into 8314 // account. 8315 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8316 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8317 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8318 " for package " + pkg.packageName); 8319 } 8320 } 8321 8322 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8323 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8324 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8325 8326 // Copy the derived override back to the parsed package, so that we can 8327 // update the package settings accordingly. 8328 pkg.cpuAbiOverride = cpuAbiOverride; 8329 8330 if (DEBUG_ABI_SELECTION) { 8331 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8332 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8333 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8334 } 8335 8336 // Push the derived path down into PackageSettings so we know what to 8337 // clean up at uninstall time. 8338 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8339 8340 if (DEBUG_ABI_SELECTION) { 8341 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8342 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8343 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8344 } 8345 8346 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8347 // We don't do this here during boot because we can do it all 8348 // at once after scanning all existing packages. 8349 // 8350 // We also do this *before* we perform dexopt on this package, so that 8351 // we can avoid redundant dexopts, and also to make sure we've got the 8352 // code and package path correct. 8353 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8354 pkg, true /* boot complete */); 8355 } 8356 8357 if (mFactoryTest && pkg.requestedPermissions.contains( 8358 android.Manifest.permission.FACTORY_TEST)) { 8359 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8360 } 8361 8362 ArrayList<PackageParser.Package> clientLibPkgs = null; 8363 8364 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8365 if (nonMutatedPs != null) { 8366 synchronized (mPackages) { 8367 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8368 } 8369 } 8370 return pkg; 8371 } 8372 8373 // Only privileged apps and updated privileged apps can add child packages. 8374 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8375 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8376 throw new PackageManagerException("Only privileged apps and updated " 8377 + "privileged apps can add child packages. Ignoring package " 8378 + pkg.packageName); 8379 } 8380 final int childCount = pkg.childPackages.size(); 8381 for (int i = 0; i < childCount; i++) { 8382 PackageParser.Package childPkg = pkg.childPackages.get(i); 8383 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8384 childPkg.packageName)) { 8385 throw new PackageManagerException("Cannot override a child package of " 8386 + "another disabled system app. Ignoring package " + pkg.packageName); 8387 } 8388 } 8389 } 8390 8391 // writer 8392 synchronized (mPackages) { 8393 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8394 // Only system apps can add new shared libraries. 8395 if (pkg.libraryNames != null) { 8396 for (int i=0; i<pkg.libraryNames.size(); i++) { 8397 String name = pkg.libraryNames.get(i); 8398 boolean allowed = false; 8399 if (pkg.isUpdatedSystemApp()) { 8400 // New library entries can only be added through the 8401 // system image. This is important to get rid of a lot 8402 // of nasty edge cases: for example if we allowed a non- 8403 // system update of the app to add a library, then uninstalling 8404 // the update would make the library go away, and assumptions 8405 // we made such as through app install filtering would now 8406 // have allowed apps on the device which aren't compatible 8407 // with it. Better to just have the restriction here, be 8408 // conservative, and create many fewer cases that can negatively 8409 // impact the user experience. 8410 final PackageSetting sysPs = mSettings 8411 .getDisabledSystemPkgLPr(pkg.packageName); 8412 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8413 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8414 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8415 allowed = true; 8416 break; 8417 } 8418 } 8419 } 8420 } else { 8421 allowed = true; 8422 } 8423 if (allowed) { 8424 if (!mSharedLibraries.containsKey(name)) { 8425 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8426 } else if (!name.equals(pkg.packageName)) { 8427 Slog.w(TAG, "Package " + pkg.packageName + " library " 8428 + name + " already exists; skipping"); 8429 } 8430 } else { 8431 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8432 + name + " that is not declared on system image; skipping"); 8433 } 8434 } 8435 if ((scanFlags & SCAN_BOOTING) == 0) { 8436 // If we are not booting, we need to update any applications 8437 // that are clients of our shared library. If we are booting, 8438 // this will all be done once the scan is complete. 8439 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8440 } 8441 } 8442 } 8443 } 8444 8445 if ((scanFlags & SCAN_BOOTING) != 0) { 8446 // No apps can run during boot scan, so they don't need to be frozen 8447 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8448 // Caller asked to not kill app, so it's probably not frozen 8449 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8450 // Caller asked us to ignore frozen check for some reason; they 8451 // probably didn't know the package name 8452 } else { 8453 // We're doing major surgery on this package, so it better be frozen 8454 // right now to keep it from launching 8455 checkPackageFrozen(pkgName); 8456 } 8457 8458 // Also need to kill any apps that are dependent on the library. 8459 if (clientLibPkgs != null) { 8460 for (int i=0; i<clientLibPkgs.size(); i++) { 8461 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8462 killApplication(clientPkg.applicationInfo.packageName, 8463 clientPkg.applicationInfo.uid, "update lib"); 8464 } 8465 } 8466 8467 // Make sure we're not adding any bogus keyset info 8468 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8469 ksms.assertScannedPackageValid(pkg); 8470 8471 // writer 8472 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8473 8474 boolean createIdmapFailed = false; 8475 synchronized (mPackages) { 8476 // We don't expect installation to fail beyond this point 8477 8478 if (pkgSetting.pkg != null) { 8479 // Note that |user| might be null during the initial boot scan. If a codePath 8480 // for an app has changed during a boot scan, it's due to an app update that's 8481 // part of the system partition and marker changes must be applied to all users. 8482 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8483 (user != null) ? user : UserHandle.ALL); 8484 } 8485 8486 // Add the new setting to mSettings 8487 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8488 // Add the new setting to mPackages 8489 mPackages.put(pkg.applicationInfo.packageName, pkg); 8490 // Make sure we don't accidentally delete its data. 8491 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8492 while (iter.hasNext()) { 8493 PackageCleanItem item = iter.next(); 8494 if (pkgName.equals(item.packageName)) { 8495 iter.remove(); 8496 } 8497 } 8498 8499 // Take care of first install / last update times. 8500 if (currentTime != 0) { 8501 if (pkgSetting.firstInstallTime == 0) { 8502 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8503 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8504 pkgSetting.lastUpdateTime = currentTime; 8505 } 8506 } else if (pkgSetting.firstInstallTime == 0) { 8507 // We need *something*. Take time time stamp of the file. 8508 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8509 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8510 if (scanFileTime != pkgSetting.timeStamp) { 8511 // A package on the system image has changed; consider this 8512 // to be an update. 8513 pkgSetting.lastUpdateTime = scanFileTime; 8514 } 8515 } 8516 8517 // Add the package's KeySets to the global KeySetManagerService 8518 ksms.addScannedPackageLPw(pkg); 8519 8520 int N = pkg.providers.size(); 8521 StringBuilder r = null; 8522 int i; 8523 for (i=0; i<N; i++) { 8524 PackageParser.Provider p = pkg.providers.get(i); 8525 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8526 p.info.processName, pkg.applicationInfo.uid); 8527 mProviders.addProvider(p); 8528 p.syncable = p.info.isSyncable; 8529 if (p.info.authority != null) { 8530 String names[] = p.info.authority.split(";"); 8531 p.info.authority = null; 8532 for (int j = 0; j < names.length; j++) { 8533 if (j == 1 && p.syncable) { 8534 // We only want the first authority for a provider to possibly be 8535 // syncable, so if we already added this provider using a different 8536 // authority clear the syncable flag. We copy the provider before 8537 // changing it because the mProviders object contains a reference 8538 // to a provider that we don't want to change. 8539 // Only do this for the second authority since the resulting provider 8540 // object can be the same for all future authorities for this provider. 8541 p = new PackageParser.Provider(p); 8542 p.syncable = false; 8543 } 8544 if (!mProvidersByAuthority.containsKey(names[j])) { 8545 mProvidersByAuthority.put(names[j], p); 8546 if (p.info.authority == null) { 8547 p.info.authority = names[j]; 8548 } else { 8549 p.info.authority = p.info.authority + ";" + names[j]; 8550 } 8551 if (DEBUG_PACKAGE_SCANNING) { 8552 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8553 Log.d(TAG, "Registered content provider: " + names[j] 8554 + ", className = " + p.info.name + ", isSyncable = " 8555 + p.info.isSyncable); 8556 } 8557 } else { 8558 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8559 Slog.w(TAG, "Skipping provider name " + names[j] + 8560 " (in package " + pkg.applicationInfo.packageName + 8561 "): name already used by " 8562 + ((other != null && other.getComponentName() != null) 8563 ? other.getComponentName().getPackageName() : "?")); 8564 } 8565 } 8566 } 8567 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8568 if (r == null) { 8569 r = new StringBuilder(256); 8570 } else { 8571 r.append(' '); 8572 } 8573 r.append(p.info.name); 8574 } 8575 } 8576 if (r != null) { 8577 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8578 } 8579 8580 N = pkg.services.size(); 8581 r = null; 8582 for (i=0; i<N; i++) { 8583 PackageParser.Service s = pkg.services.get(i); 8584 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8585 s.info.processName, pkg.applicationInfo.uid); 8586 mServices.addService(s); 8587 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8588 if (r == null) { 8589 r = new StringBuilder(256); 8590 } else { 8591 r.append(' '); 8592 } 8593 r.append(s.info.name); 8594 } 8595 } 8596 if (r != null) { 8597 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8598 } 8599 8600 N = pkg.receivers.size(); 8601 r = null; 8602 for (i=0; i<N; i++) { 8603 PackageParser.Activity a = pkg.receivers.get(i); 8604 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8605 a.info.processName, pkg.applicationInfo.uid); 8606 mReceivers.addActivity(a, "receiver"); 8607 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8608 if (r == null) { 8609 r = new StringBuilder(256); 8610 } else { 8611 r.append(' '); 8612 } 8613 r.append(a.info.name); 8614 } 8615 } 8616 if (r != null) { 8617 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8618 } 8619 8620 N = pkg.activities.size(); 8621 r = null; 8622 for (i=0; i<N; i++) { 8623 PackageParser.Activity a = pkg.activities.get(i); 8624 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8625 a.info.processName, pkg.applicationInfo.uid); 8626 mActivities.addActivity(a, "activity"); 8627 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8628 if (r == null) { 8629 r = new StringBuilder(256); 8630 } else { 8631 r.append(' '); 8632 } 8633 r.append(a.info.name); 8634 } 8635 } 8636 if (r != null) { 8637 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8638 } 8639 8640 N = pkg.permissionGroups.size(); 8641 r = null; 8642 for (i=0; i<N; i++) { 8643 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8644 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8645 if (cur == null) { 8646 mPermissionGroups.put(pg.info.name, pg); 8647 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8648 if (r == null) { 8649 r = new StringBuilder(256); 8650 } else { 8651 r.append(' '); 8652 } 8653 r.append(pg.info.name); 8654 } 8655 } else { 8656 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8657 + pg.info.packageName + " ignored: original from " 8658 + cur.info.packageName); 8659 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8660 if (r == null) { 8661 r = new StringBuilder(256); 8662 } else { 8663 r.append(' '); 8664 } 8665 r.append("DUP:"); 8666 r.append(pg.info.name); 8667 } 8668 } 8669 } 8670 if (r != null) { 8671 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8672 } 8673 8674 N = pkg.permissions.size(); 8675 r = null; 8676 for (i=0; i<N; i++) { 8677 PackageParser.Permission p = pkg.permissions.get(i); 8678 8679 // Assume by default that we did not install this permission into the system. 8680 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8681 8682 // Now that permission groups have a special meaning, we ignore permission 8683 // groups for legacy apps to prevent unexpected behavior. In particular, 8684 // permissions for one app being granted to someone just becase they happen 8685 // to be in a group defined by another app (before this had no implications). 8686 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8687 p.group = mPermissionGroups.get(p.info.group); 8688 // Warn for a permission in an unknown group. 8689 if (p.info.group != null && p.group == null) { 8690 Slog.w(TAG, "Permission " + p.info.name + " from package " 8691 + p.info.packageName + " in an unknown group " + p.info.group); 8692 } 8693 } 8694 8695 ArrayMap<String, BasePermission> permissionMap = 8696 p.tree ? mSettings.mPermissionTrees 8697 : mSettings.mPermissions; 8698 BasePermission bp = permissionMap.get(p.info.name); 8699 8700 // Allow system apps to redefine non-system permissions 8701 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8702 final boolean currentOwnerIsSystem = (bp.perm != null 8703 && isSystemApp(bp.perm.owner)); 8704 if (isSystemApp(p.owner)) { 8705 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8706 // It's a built-in permission and no owner, take ownership now 8707 bp.packageSetting = pkgSetting; 8708 bp.perm = p; 8709 bp.uid = pkg.applicationInfo.uid; 8710 bp.sourcePackage = p.info.packageName; 8711 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8712 } else if (!currentOwnerIsSystem) { 8713 String msg = "New decl " + p.owner + " of permission " 8714 + p.info.name + " is system; overriding " + bp.sourcePackage; 8715 reportSettingsProblem(Log.WARN, msg); 8716 bp = null; 8717 } 8718 } 8719 } 8720 8721 if (bp == null) { 8722 bp = new BasePermission(p.info.name, p.info.packageName, 8723 BasePermission.TYPE_NORMAL); 8724 permissionMap.put(p.info.name, bp); 8725 } 8726 8727 if (bp.perm == null) { 8728 if (bp.sourcePackage == null 8729 || bp.sourcePackage.equals(p.info.packageName)) { 8730 BasePermission tree = findPermissionTreeLP(p.info.name); 8731 if (tree == null 8732 || tree.sourcePackage.equals(p.info.packageName)) { 8733 bp.packageSetting = pkgSetting; 8734 bp.perm = p; 8735 bp.uid = pkg.applicationInfo.uid; 8736 bp.sourcePackage = p.info.packageName; 8737 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8738 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8739 if (r == null) { 8740 r = new StringBuilder(256); 8741 } else { 8742 r.append(' '); 8743 } 8744 r.append(p.info.name); 8745 } 8746 } else { 8747 Slog.w(TAG, "Permission " + p.info.name + " from package " 8748 + p.info.packageName + " ignored: base tree " 8749 + tree.name + " is from package " 8750 + tree.sourcePackage); 8751 } 8752 } else { 8753 Slog.w(TAG, "Permission " + p.info.name + " from package " 8754 + p.info.packageName + " ignored: original from " 8755 + bp.sourcePackage); 8756 } 8757 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8758 if (r == null) { 8759 r = new StringBuilder(256); 8760 } else { 8761 r.append(' '); 8762 } 8763 r.append("DUP:"); 8764 r.append(p.info.name); 8765 } 8766 if (bp.perm == p) { 8767 bp.protectionLevel = p.info.protectionLevel; 8768 } 8769 } 8770 8771 if (r != null) { 8772 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8773 } 8774 8775 N = pkg.instrumentation.size(); 8776 r = null; 8777 for (i=0; i<N; i++) { 8778 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8779 a.info.packageName = pkg.applicationInfo.packageName; 8780 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8781 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8782 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8783 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8784 a.info.dataDir = pkg.applicationInfo.dataDir; 8785 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8786 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8787 8788 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8789 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8790 mInstrumentation.put(a.getComponentName(), a); 8791 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8792 if (r == null) { 8793 r = new StringBuilder(256); 8794 } else { 8795 r.append(' '); 8796 } 8797 r.append(a.info.name); 8798 } 8799 } 8800 if (r != null) { 8801 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8802 } 8803 8804 if (pkg.protectedBroadcasts != null) { 8805 N = pkg.protectedBroadcasts.size(); 8806 for (i=0; i<N; i++) { 8807 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8808 } 8809 } 8810 8811 pkgSetting.setTimeStamp(scanFileTime); 8812 8813 // Create idmap files for pairs of (packages, overlay packages). 8814 // Note: "android", ie framework-res.apk, is handled by native layers. 8815 if (pkg.mOverlayTarget != null) { 8816 // This is an overlay package. 8817 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8818 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8819 mOverlays.put(pkg.mOverlayTarget, 8820 new ArrayMap<String, PackageParser.Package>()); 8821 } 8822 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8823 map.put(pkg.packageName, pkg); 8824 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8825 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8826 createIdmapFailed = true; 8827 } 8828 } 8829 } else if (mOverlays.containsKey(pkg.packageName) && 8830 !pkg.packageName.equals("android")) { 8831 // This is a regular package, with one or more known overlay packages. 8832 createIdmapsForPackageLI(pkg); 8833 } 8834 } 8835 8836 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8837 8838 if (createIdmapFailed) { 8839 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8840 "scanPackageLI failed to createIdmap"); 8841 } 8842 return pkg; 8843 } 8844 8845 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8846 PackageParser.Package update, UserHandle user) { 8847 if (existing.applicationInfo == null || update.applicationInfo == null) { 8848 // This isn't due to an app installation. 8849 return; 8850 } 8851 8852 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8853 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8854 8855 // The codePath hasn't changed, so there's nothing for us to do. 8856 if (Objects.equals(oldCodePath, newCodePath)) { 8857 return; 8858 } 8859 8860 File canonicalNewCodePath; 8861 try { 8862 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8863 } catch (IOException e) { 8864 Slog.w(TAG, "Failed to get canonical path.", e); 8865 return; 8866 } 8867 8868 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8869 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8870 // that the last component of the path (i.e, the name) doesn't need canonicalization 8871 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8872 // but may change in the future. Hopefully this function won't exist at that point. 8873 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8874 oldCodePath.getName()); 8875 8876 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8877 // with "@". 8878 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8879 if (!oldMarkerPrefix.endsWith("@")) { 8880 oldMarkerPrefix += "@"; 8881 } 8882 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8883 if (!newMarkerPrefix.endsWith("@")) { 8884 newMarkerPrefix += "@"; 8885 } 8886 8887 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8888 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8889 for (String updatedPath : updatedPaths) { 8890 String updatedPathName = new File(updatedPath).getName(); 8891 markerSuffixes.add(updatedPathName.replace('/', '@')); 8892 } 8893 8894 for (int userId : resolveUserIds(user.getIdentifier())) { 8895 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8896 8897 for (String markerSuffix : markerSuffixes) { 8898 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8899 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8900 if (oldForeignUseMark.exists()) { 8901 try { 8902 Os.rename(oldForeignUseMark.getAbsolutePath(), 8903 newForeignUseMark.getAbsolutePath()); 8904 } catch (ErrnoException e) { 8905 Slog.w(TAG, "Failed to rename foreign use marker", e); 8906 oldForeignUseMark.delete(); 8907 } 8908 } 8909 } 8910 } 8911 } 8912 8913 /** 8914 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8915 * is derived purely on the basis of the contents of {@code scanFile} and 8916 * {@code cpuAbiOverride}. 8917 * 8918 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8919 */ 8920 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8921 String cpuAbiOverride, boolean extractLibs) 8922 throws PackageManagerException { 8923 // TODO: We can probably be smarter about this stuff. For installed apps, 8924 // we can calculate this information at install time once and for all. For 8925 // system apps, we can probably assume that this information doesn't change 8926 // after the first boot scan. As things stand, we do lots of unnecessary work. 8927 8928 // Give ourselves some initial paths; we'll come back for another 8929 // pass once we've determined ABI below. 8930 setNativeLibraryPaths(pkg); 8931 8932 // We would never need to extract libs for forward-locked and external packages, 8933 // since the container service will do it for us. We shouldn't attempt to 8934 // extract libs from system app when it was not updated. 8935 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8936 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8937 extractLibs = false; 8938 } 8939 8940 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8941 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8942 8943 NativeLibraryHelper.Handle handle = null; 8944 try { 8945 handle = NativeLibraryHelper.Handle.create(pkg); 8946 // TODO(multiArch): This can be null for apps that didn't go through the 8947 // usual installation process. We can calculate it again, like we 8948 // do during install time. 8949 // 8950 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8951 // unnecessary. 8952 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8953 8954 // Null out the abis so that they can be recalculated. 8955 pkg.applicationInfo.primaryCpuAbi = null; 8956 pkg.applicationInfo.secondaryCpuAbi = null; 8957 if (isMultiArch(pkg.applicationInfo)) { 8958 // Warn if we've set an abiOverride for multi-lib packages.. 8959 // By definition, we need to copy both 32 and 64 bit libraries for 8960 // such packages. 8961 if (pkg.cpuAbiOverride != null 8962 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8963 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8964 } 8965 8966 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8967 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8968 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8969 if (extractLibs) { 8970 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8971 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8972 useIsaSpecificSubdirs); 8973 } else { 8974 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8975 } 8976 } 8977 8978 maybeThrowExceptionForMultiArchCopy( 8979 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8980 8981 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8982 if (extractLibs) { 8983 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8984 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8985 useIsaSpecificSubdirs); 8986 } else { 8987 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8988 } 8989 } 8990 8991 maybeThrowExceptionForMultiArchCopy( 8992 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8993 8994 if (abi64 >= 0) { 8995 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8996 } 8997 8998 if (abi32 >= 0) { 8999 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9000 if (abi64 >= 0) { 9001 if (pkg.use32bitAbi) { 9002 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9003 pkg.applicationInfo.primaryCpuAbi = abi; 9004 } else { 9005 pkg.applicationInfo.secondaryCpuAbi = abi; 9006 } 9007 } else { 9008 pkg.applicationInfo.primaryCpuAbi = abi; 9009 } 9010 } 9011 9012 } else { 9013 String[] abiList = (cpuAbiOverride != null) ? 9014 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9015 9016 // Enable gross and lame hacks for apps that are built with old 9017 // SDK tools. We must scan their APKs for renderscript bitcode and 9018 // not launch them if it's present. Don't bother checking on devices 9019 // that don't have 64 bit support. 9020 boolean needsRenderScriptOverride = false; 9021 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9022 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9023 abiList = Build.SUPPORTED_32_BIT_ABIS; 9024 needsRenderScriptOverride = true; 9025 } 9026 9027 final int copyRet; 9028 if (extractLibs) { 9029 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9030 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9031 } else { 9032 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9033 } 9034 9035 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9036 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9037 "Error unpackaging native libs for app, errorCode=" + copyRet); 9038 } 9039 9040 if (copyRet >= 0) { 9041 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9042 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9043 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9044 } else if (needsRenderScriptOverride) { 9045 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9046 } 9047 } 9048 } catch (IOException ioe) { 9049 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9050 } finally { 9051 IoUtils.closeQuietly(handle); 9052 } 9053 9054 // Now that we've calculated the ABIs and determined if it's an internal app, 9055 // we will go ahead and populate the nativeLibraryPath. 9056 setNativeLibraryPaths(pkg); 9057 } 9058 9059 /** 9060 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9061 * i.e, so that all packages can be run inside a single process if required. 9062 * 9063 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9064 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9065 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9066 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9067 * updating a package that belongs to a shared user. 9068 * 9069 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9070 * adds unnecessary complexity. 9071 */ 9072 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9073 PackageParser.Package scannedPackage, boolean bootComplete) { 9074 String requiredInstructionSet = null; 9075 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9076 requiredInstructionSet = VMRuntime.getInstructionSet( 9077 scannedPackage.applicationInfo.primaryCpuAbi); 9078 } 9079 9080 PackageSetting requirer = null; 9081 for (PackageSetting ps : packagesForUser) { 9082 // If packagesForUser contains scannedPackage, we skip it. This will happen 9083 // when scannedPackage is an update of an existing package. Without this check, 9084 // we will never be able to change the ABI of any package belonging to a shared 9085 // user, even if it's compatible with other packages. 9086 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9087 if (ps.primaryCpuAbiString == null) { 9088 continue; 9089 } 9090 9091 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9092 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9093 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9094 // this but there's not much we can do. 9095 String errorMessage = "Instruction set mismatch, " 9096 + ((requirer == null) ? "[caller]" : requirer) 9097 + " requires " + requiredInstructionSet + " whereas " + ps 9098 + " requires " + instructionSet; 9099 Slog.w(TAG, errorMessage); 9100 } 9101 9102 if (requiredInstructionSet == null) { 9103 requiredInstructionSet = instructionSet; 9104 requirer = ps; 9105 } 9106 } 9107 } 9108 9109 if (requiredInstructionSet != null) { 9110 String adjustedAbi; 9111 if (requirer != null) { 9112 // requirer != null implies that either scannedPackage was null or that scannedPackage 9113 // did not require an ABI, in which case we have to adjust scannedPackage to match 9114 // the ABI of the set (which is the same as requirer's ABI) 9115 adjustedAbi = requirer.primaryCpuAbiString; 9116 if (scannedPackage != null) { 9117 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9118 } 9119 } else { 9120 // requirer == null implies that we're updating all ABIs in the set to 9121 // match scannedPackage. 9122 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9123 } 9124 9125 for (PackageSetting ps : packagesForUser) { 9126 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9127 if (ps.primaryCpuAbiString != null) { 9128 continue; 9129 } 9130 9131 ps.primaryCpuAbiString = adjustedAbi; 9132 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9133 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9134 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9135 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9136 + " (requirer=" 9137 + (requirer == null ? "null" : requirer.pkg.packageName) 9138 + ", scannedPackage=" 9139 + (scannedPackage != null ? scannedPackage.packageName : "null") 9140 + ")"); 9141 try { 9142 mInstaller.rmdex(ps.codePathString, 9143 getDexCodeInstructionSet(getPreferredInstructionSet())); 9144 } catch (InstallerException ignored) { 9145 } 9146 } 9147 } 9148 } 9149 } 9150 } 9151 9152 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9153 synchronized (mPackages) { 9154 mResolverReplaced = true; 9155 // Set up information for custom user intent resolution activity. 9156 mResolveActivity.applicationInfo = pkg.applicationInfo; 9157 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9158 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9159 mResolveActivity.processName = pkg.applicationInfo.packageName; 9160 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9161 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9162 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9163 mResolveActivity.theme = 0; 9164 mResolveActivity.exported = true; 9165 mResolveActivity.enabled = true; 9166 mResolveInfo.activityInfo = mResolveActivity; 9167 mResolveInfo.priority = 0; 9168 mResolveInfo.preferredOrder = 0; 9169 mResolveInfo.match = 0; 9170 mResolveComponentName = mCustomResolverComponentName; 9171 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9172 mResolveComponentName); 9173 } 9174 } 9175 9176 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9177 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9178 9179 // Set up information for ephemeral installer activity 9180 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9181 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9182 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9183 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9184 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9185 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9186 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9187 mEphemeralInstallerActivity.theme = 0; 9188 mEphemeralInstallerActivity.exported = true; 9189 mEphemeralInstallerActivity.enabled = true; 9190 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9191 mEphemeralInstallerInfo.priority = 0; 9192 mEphemeralInstallerInfo.preferredOrder = 0; 9193 mEphemeralInstallerInfo.match = 0; 9194 9195 if (DEBUG_EPHEMERAL) { 9196 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9197 } 9198 } 9199 9200 private static String calculateBundledApkRoot(final String codePathString) { 9201 final File codePath = new File(codePathString); 9202 final File codeRoot; 9203 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9204 codeRoot = Environment.getRootDirectory(); 9205 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9206 codeRoot = Environment.getOemDirectory(); 9207 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9208 codeRoot = Environment.getVendorDirectory(); 9209 } else { 9210 // Unrecognized code path; take its top real segment as the apk root: 9211 // e.g. /something/app/blah.apk => /something 9212 try { 9213 File f = codePath.getCanonicalFile(); 9214 File parent = f.getParentFile(); // non-null because codePath is a file 9215 File tmp; 9216 while ((tmp = parent.getParentFile()) != null) { 9217 f = parent; 9218 parent = tmp; 9219 } 9220 codeRoot = f; 9221 Slog.w(TAG, "Unrecognized code path " 9222 + codePath + " - using " + codeRoot); 9223 } catch (IOException e) { 9224 // Can't canonicalize the code path -- shenanigans? 9225 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9226 return Environment.getRootDirectory().getPath(); 9227 } 9228 } 9229 return codeRoot.getPath(); 9230 } 9231 9232 /** 9233 * Derive and set the location of native libraries for the given package, 9234 * which varies depending on where and how the package was installed. 9235 */ 9236 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9237 final ApplicationInfo info = pkg.applicationInfo; 9238 final String codePath = pkg.codePath; 9239 final File codeFile = new File(codePath); 9240 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9241 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9242 9243 info.nativeLibraryRootDir = null; 9244 info.nativeLibraryRootRequiresIsa = false; 9245 info.nativeLibraryDir = null; 9246 info.secondaryNativeLibraryDir = null; 9247 9248 if (isApkFile(codeFile)) { 9249 // Monolithic install 9250 if (bundledApp) { 9251 // If "/system/lib64/apkname" exists, assume that is the per-package 9252 // native library directory to use; otherwise use "/system/lib/apkname". 9253 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9254 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9255 getPrimaryInstructionSet(info)); 9256 9257 // This is a bundled system app so choose the path based on the ABI. 9258 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9259 // is just the default path. 9260 final String apkName = deriveCodePathName(codePath); 9261 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9262 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9263 apkName).getAbsolutePath(); 9264 9265 if (info.secondaryCpuAbi != null) { 9266 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9267 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9268 secondaryLibDir, apkName).getAbsolutePath(); 9269 } 9270 } else if (asecApp) { 9271 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9272 .getAbsolutePath(); 9273 } else { 9274 final String apkName = deriveCodePathName(codePath); 9275 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9276 .getAbsolutePath(); 9277 } 9278 9279 info.nativeLibraryRootRequiresIsa = false; 9280 info.nativeLibraryDir = info.nativeLibraryRootDir; 9281 } else { 9282 // Cluster install 9283 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9284 info.nativeLibraryRootRequiresIsa = true; 9285 9286 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9287 getPrimaryInstructionSet(info)).getAbsolutePath(); 9288 9289 if (info.secondaryCpuAbi != null) { 9290 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9291 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9292 } 9293 } 9294 } 9295 9296 /** 9297 * Calculate the abis and roots for a bundled app. These can uniquely 9298 * be determined from the contents of the system partition, i.e whether 9299 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9300 * of this information, and instead assume that the system was built 9301 * sensibly. 9302 */ 9303 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9304 PackageSetting pkgSetting) { 9305 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9306 9307 // If "/system/lib64/apkname" exists, assume that is the per-package 9308 // native library directory to use; otherwise use "/system/lib/apkname". 9309 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9310 setBundledAppAbi(pkg, apkRoot, apkName); 9311 // pkgSetting might be null during rescan following uninstall of updates 9312 // to a bundled app, so accommodate that possibility. The settings in 9313 // that case will be established later from the parsed package. 9314 // 9315 // If the settings aren't null, sync them up with what we've just derived. 9316 // note that apkRoot isn't stored in the package settings. 9317 if (pkgSetting != null) { 9318 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9319 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9320 } 9321 } 9322 9323 /** 9324 * Deduces the ABI of a bundled app and sets the relevant fields on the 9325 * parsed pkg object. 9326 * 9327 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9328 * under which system libraries are installed. 9329 * @param apkName the name of the installed package. 9330 */ 9331 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9332 final File codeFile = new File(pkg.codePath); 9333 9334 final boolean has64BitLibs; 9335 final boolean has32BitLibs; 9336 if (isApkFile(codeFile)) { 9337 // Monolithic install 9338 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9339 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9340 } else { 9341 // Cluster install 9342 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9343 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9344 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9345 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9346 has64BitLibs = (new File(rootDir, isa)).exists(); 9347 } else { 9348 has64BitLibs = false; 9349 } 9350 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9351 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9352 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9353 has32BitLibs = (new File(rootDir, isa)).exists(); 9354 } else { 9355 has32BitLibs = false; 9356 } 9357 } 9358 9359 if (has64BitLibs && !has32BitLibs) { 9360 // The package has 64 bit libs, but not 32 bit libs. Its primary 9361 // ABI should be 64 bit. We can safely assume here that the bundled 9362 // native libraries correspond to the most preferred ABI in the list. 9363 9364 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9365 pkg.applicationInfo.secondaryCpuAbi = null; 9366 } else if (has32BitLibs && !has64BitLibs) { 9367 // The package has 32 bit libs but not 64 bit libs. Its primary 9368 // ABI should be 32 bit. 9369 9370 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9371 pkg.applicationInfo.secondaryCpuAbi = null; 9372 } else if (has32BitLibs && has64BitLibs) { 9373 // The application has both 64 and 32 bit bundled libraries. We check 9374 // here that the app declares multiArch support, and warn if it doesn't. 9375 // 9376 // We will be lenient here and record both ABIs. The primary will be the 9377 // ABI that's higher on the list, i.e, a device that's configured to prefer 9378 // 64 bit apps will see a 64 bit primary ABI, 9379 9380 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9381 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9382 } 9383 9384 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9385 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9386 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9387 } else { 9388 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9389 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9390 } 9391 } else { 9392 pkg.applicationInfo.primaryCpuAbi = null; 9393 pkg.applicationInfo.secondaryCpuAbi = null; 9394 } 9395 } 9396 9397 private void killApplication(String pkgName, int appId, String reason) { 9398 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9399 } 9400 9401 private void killApplication(String pkgName, int appId, int userId, String reason) { 9402 // Request the ActivityManager to kill the process(only for existing packages) 9403 // so that we do not end up in a confused state while the user is still using the older 9404 // version of the application while the new one gets installed. 9405 final long token = Binder.clearCallingIdentity(); 9406 try { 9407 IActivityManager am = ActivityManagerNative.getDefault(); 9408 if (am != null) { 9409 try { 9410 am.killApplication(pkgName, appId, userId, reason); 9411 } catch (RemoteException e) { 9412 } 9413 } 9414 } finally { 9415 Binder.restoreCallingIdentity(token); 9416 } 9417 } 9418 9419 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9420 // Remove the parent package setting 9421 PackageSetting ps = (PackageSetting) pkg.mExtras; 9422 if (ps != null) { 9423 removePackageLI(ps, chatty); 9424 } 9425 // Remove the child package setting 9426 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9427 for (int i = 0; i < childCount; i++) { 9428 PackageParser.Package childPkg = pkg.childPackages.get(i); 9429 ps = (PackageSetting) childPkg.mExtras; 9430 if (ps != null) { 9431 removePackageLI(ps, chatty); 9432 } 9433 } 9434 } 9435 9436 void removePackageLI(PackageSetting ps, boolean chatty) { 9437 if (DEBUG_INSTALL) { 9438 if (chatty) 9439 Log.d(TAG, "Removing package " + ps.name); 9440 } 9441 9442 // writer 9443 synchronized (mPackages) { 9444 mPackages.remove(ps.name); 9445 final PackageParser.Package pkg = ps.pkg; 9446 if (pkg != null) { 9447 cleanPackageDataStructuresLILPw(pkg, chatty); 9448 } 9449 } 9450 } 9451 9452 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9453 if (DEBUG_INSTALL) { 9454 if (chatty) 9455 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9456 } 9457 9458 // writer 9459 synchronized (mPackages) { 9460 // Remove the parent package 9461 mPackages.remove(pkg.applicationInfo.packageName); 9462 cleanPackageDataStructuresLILPw(pkg, chatty); 9463 9464 // Remove the child packages 9465 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9466 for (int i = 0; i < childCount; i++) { 9467 PackageParser.Package childPkg = pkg.childPackages.get(i); 9468 mPackages.remove(childPkg.applicationInfo.packageName); 9469 cleanPackageDataStructuresLILPw(childPkg, chatty); 9470 } 9471 } 9472 } 9473 9474 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9475 int N = pkg.providers.size(); 9476 StringBuilder r = null; 9477 int i; 9478 for (i=0; i<N; i++) { 9479 PackageParser.Provider p = pkg.providers.get(i); 9480 mProviders.removeProvider(p); 9481 if (p.info.authority == null) { 9482 9483 /* There was another ContentProvider with this authority when 9484 * this app was installed so this authority is null, 9485 * Ignore it as we don't have to unregister the provider. 9486 */ 9487 continue; 9488 } 9489 String names[] = p.info.authority.split(";"); 9490 for (int j = 0; j < names.length; j++) { 9491 if (mProvidersByAuthority.get(names[j]) == p) { 9492 mProvidersByAuthority.remove(names[j]); 9493 if (DEBUG_REMOVE) { 9494 if (chatty) 9495 Log.d(TAG, "Unregistered content provider: " + names[j] 9496 + ", className = " + p.info.name + ", isSyncable = " 9497 + p.info.isSyncable); 9498 } 9499 } 9500 } 9501 if (DEBUG_REMOVE && chatty) { 9502 if (r == null) { 9503 r = new StringBuilder(256); 9504 } else { 9505 r.append(' '); 9506 } 9507 r.append(p.info.name); 9508 } 9509 } 9510 if (r != null) { 9511 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9512 } 9513 9514 N = pkg.services.size(); 9515 r = null; 9516 for (i=0; i<N; i++) { 9517 PackageParser.Service s = pkg.services.get(i); 9518 mServices.removeService(s); 9519 if (chatty) { 9520 if (r == null) { 9521 r = new StringBuilder(256); 9522 } else { 9523 r.append(' '); 9524 } 9525 r.append(s.info.name); 9526 } 9527 } 9528 if (r != null) { 9529 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9530 } 9531 9532 N = pkg.receivers.size(); 9533 r = null; 9534 for (i=0; i<N; i++) { 9535 PackageParser.Activity a = pkg.receivers.get(i); 9536 mReceivers.removeActivity(a, "receiver"); 9537 if (DEBUG_REMOVE && chatty) { 9538 if (r == null) { 9539 r = new StringBuilder(256); 9540 } else { 9541 r.append(' '); 9542 } 9543 r.append(a.info.name); 9544 } 9545 } 9546 if (r != null) { 9547 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9548 } 9549 9550 N = pkg.activities.size(); 9551 r = null; 9552 for (i=0; i<N; i++) { 9553 PackageParser.Activity a = pkg.activities.get(i); 9554 mActivities.removeActivity(a, "activity"); 9555 if (DEBUG_REMOVE && chatty) { 9556 if (r == null) { 9557 r = new StringBuilder(256); 9558 } else { 9559 r.append(' '); 9560 } 9561 r.append(a.info.name); 9562 } 9563 } 9564 if (r != null) { 9565 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9566 } 9567 9568 N = pkg.permissions.size(); 9569 r = null; 9570 for (i=0; i<N; i++) { 9571 PackageParser.Permission p = pkg.permissions.get(i); 9572 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9573 if (bp == null) { 9574 bp = mSettings.mPermissionTrees.get(p.info.name); 9575 } 9576 if (bp != null && bp.perm == p) { 9577 bp.perm = null; 9578 if (DEBUG_REMOVE && chatty) { 9579 if (r == null) { 9580 r = new StringBuilder(256); 9581 } else { 9582 r.append(' '); 9583 } 9584 r.append(p.info.name); 9585 } 9586 } 9587 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9588 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9589 if (appOpPkgs != null) { 9590 appOpPkgs.remove(pkg.packageName); 9591 } 9592 } 9593 } 9594 if (r != null) { 9595 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9596 } 9597 9598 N = pkg.requestedPermissions.size(); 9599 r = null; 9600 for (i=0; i<N; i++) { 9601 String perm = pkg.requestedPermissions.get(i); 9602 BasePermission bp = mSettings.mPermissions.get(perm); 9603 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9604 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9605 if (appOpPkgs != null) { 9606 appOpPkgs.remove(pkg.packageName); 9607 if (appOpPkgs.isEmpty()) { 9608 mAppOpPermissionPackages.remove(perm); 9609 } 9610 } 9611 } 9612 } 9613 if (r != null) { 9614 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9615 } 9616 9617 N = pkg.instrumentation.size(); 9618 r = null; 9619 for (i=0; i<N; i++) { 9620 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9621 mInstrumentation.remove(a.getComponentName()); 9622 if (DEBUG_REMOVE && chatty) { 9623 if (r == null) { 9624 r = new StringBuilder(256); 9625 } else { 9626 r.append(' '); 9627 } 9628 r.append(a.info.name); 9629 } 9630 } 9631 if (r != null) { 9632 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9633 } 9634 9635 r = null; 9636 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9637 // Only system apps can hold shared libraries. 9638 if (pkg.libraryNames != null) { 9639 for (i=0; i<pkg.libraryNames.size(); i++) { 9640 String name = pkg.libraryNames.get(i); 9641 SharedLibraryEntry cur = mSharedLibraries.get(name); 9642 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9643 mSharedLibraries.remove(name); 9644 if (DEBUG_REMOVE && chatty) { 9645 if (r == null) { 9646 r = new StringBuilder(256); 9647 } else { 9648 r.append(' '); 9649 } 9650 r.append(name); 9651 } 9652 } 9653 } 9654 } 9655 } 9656 if (r != null) { 9657 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9658 } 9659 } 9660 9661 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9662 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9663 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9664 return true; 9665 } 9666 } 9667 return false; 9668 } 9669 9670 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9671 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9672 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9673 9674 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9675 // Update the parent permissions 9676 updatePermissionsLPw(pkg.packageName, pkg, flags); 9677 // Update the child permissions 9678 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9679 for (int i = 0; i < childCount; i++) { 9680 PackageParser.Package childPkg = pkg.childPackages.get(i); 9681 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9682 } 9683 } 9684 9685 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9686 int flags) { 9687 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9688 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9689 } 9690 9691 private void updatePermissionsLPw(String changingPkg, 9692 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9693 // Make sure there are no dangling permission trees. 9694 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9695 while (it.hasNext()) { 9696 final BasePermission bp = it.next(); 9697 if (bp.packageSetting == null) { 9698 // We may not yet have parsed the package, so just see if 9699 // we still know about its settings. 9700 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9701 } 9702 if (bp.packageSetting == null) { 9703 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9704 + " from package " + bp.sourcePackage); 9705 it.remove(); 9706 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9707 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9708 Slog.i(TAG, "Removing old permission tree: " + bp.name 9709 + " from package " + bp.sourcePackage); 9710 flags |= UPDATE_PERMISSIONS_ALL; 9711 it.remove(); 9712 } 9713 } 9714 } 9715 9716 // Make sure all dynamic permissions have been assigned to a package, 9717 // and make sure there are no dangling permissions. 9718 it = mSettings.mPermissions.values().iterator(); 9719 while (it.hasNext()) { 9720 final BasePermission bp = it.next(); 9721 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9722 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9723 + bp.name + " pkg=" + bp.sourcePackage 9724 + " info=" + bp.pendingInfo); 9725 if (bp.packageSetting == null && bp.pendingInfo != null) { 9726 final BasePermission tree = findPermissionTreeLP(bp.name); 9727 if (tree != null && tree.perm != null) { 9728 bp.packageSetting = tree.packageSetting; 9729 bp.perm = new PackageParser.Permission(tree.perm.owner, 9730 new PermissionInfo(bp.pendingInfo)); 9731 bp.perm.info.packageName = tree.perm.info.packageName; 9732 bp.perm.info.name = bp.name; 9733 bp.uid = tree.uid; 9734 } 9735 } 9736 } 9737 if (bp.packageSetting == null) { 9738 // We may not yet have parsed the package, so just see if 9739 // we still know about its settings. 9740 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9741 } 9742 if (bp.packageSetting == null) { 9743 Slog.w(TAG, "Removing dangling permission: " + bp.name 9744 + " from package " + bp.sourcePackage); 9745 it.remove(); 9746 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9747 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9748 Slog.i(TAG, "Removing old permission: " + bp.name 9749 + " from package " + bp.sourcePackage); 9750 flags |= UPDATE_PERMISSIONS_ALL; 9751 it.remove(); 9752 } 9753 } 9754 } 9755 9756 // Now update the permissions for all packages, in particular 9757 // replace the granted permissions of the system packages. 9758 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9759 for (PackageParser.Package pkg : mPackages.values()) { 9760 if (pkg != pkgInfo) { 9761 // Only replace for packages on requested volume 9762 final String volumeUuid = getVolumeUuidForPackage(pkg); 9763 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9764 && Objects.equals(replaceVolumeUuid, volumeUuid); 9765 grantPermissionsLPw(pkg, replace, changingPkg); 9766 } 9767 } 9768 } 9769 9770 if (pkgInfo != null) { 9771 // Only replace for packages on requested volume 9772 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9773 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9774 && Objects.equals(replaceVolumeUuid, volumeUuid); 9775 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9776 } 9777 } 9778 9779 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9780 String packageOfInterest) { 9781 // IMPORTANT: There are two types of permissions: install and runtime. 9782 // Install time permissions are granted when the app is installed to 9783 // all device users and users added in the future. Runtime permissions 9784 // are granted at runtime explicitly to specific users. Normal and signature 9785 // protected permissions are install time permissions. Dangerous permissions 9786 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9787 // otherwise they are runtime permissions. This function does not manage 9788 // runtime permissions except for the case an app targeting Lollipop MR1 9789 // being upgraded to target a newer SDK, in which case dangerous permissions 9790 // are transformed from install time to runtime ones. 9791 9792 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9793 if (ps == null) { 9794 return; 9795 } 9796 9797 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9798 9799 PermissionsState permissionsState = ps.getPermissionsState(); 9800 PermissionsState origPermissions = permissionsState; 9801 9802 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9803 9804 boolean runtimePermissionsRevoked = false; 9805 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9806 9807 boolean changedInstallPermission = false; 9808 9809 if (replace) { 9810 ps.installPermissionsFixed = false; 9811 if (!ps.isSharedUser()) { 9812 origPermissions = new PermissionsState(permissionsState); 9813 permissionsState.reset(); 9814 } else { 9815 // We need to know only about runtime permission changes since the 9816 // calling code always writes the install permissions state but 9817 // the runtime ones are written only if changed. The only cases of 9818 // changed runtime permissions here are promotion of an install to 9819 // runtime and revocation of a runtime from a shared user. 9820 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9821 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9822 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9823 runtimePermissionsRevoked = true; 9824 } 9825 } 9826 } 9827 9828 permissionsState.setGlobalGids(mGlobalGids); 9829 9830 final int N = pkg.requestedPermissions.size(); 9831 for (int i=0; i<N; i++) { 9832 final String name = pkg.requestedPermissions.get(i); 9833 final BasePermission bp = mSettings.mPermissions.get(name); 9834 9835 if (DEBUG_INSTALL) { 9836 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9837 } 9838 9839 if (bp == null || bp.packageSetting == null) { 9840 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9841 Slog.w(TAG, "Unknown permission " + name 9842 + " in package " + pkg.packageName); 9843 } 9844 continue; 9845 } 9846 9847 final String perm = bp.name; 9848 boolean allowedSig = false; 9849 int grant = GRANT_DENIED; 9850 9851 // Keep track of app op permissions. 9852 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9853 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9854 if (pkgs == null) { 9855 pkgs = new ArraySet<>(); 9856 mAppOpPermissionPackages.put(bp.name, pkgs); 9857 } 9858 pkgs.add(pkg.packageName); 9859 } 9860 9861 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9862 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9863 >= Build.VERSION_CODES.M; 9864 switch (level) { 9865 case PermissionInfo.PROTECTION_NORMAL: { 9866 // For all apps normal permissions are install time ones. 9867 grant = GRANT_INSTALL; 9868 } break; 9869 9870 case PermissionInfo.PROTECTION_DANGEROUS: { 9871 // If a permission review is required for legacy apps we represent 9872 // their permissions as always granted runtime ones since we need 9873 // to keep the review required permission flag per user while an 9874 // install permission's state is shared across all users. 9875 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired 9876 && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9877 // For legacy apps dangerous permissions are install time ones. 9878 grant = GRANT_INSTALL; 9879 } else if (origPermissions.hasInstallPermission(bp.name)) { 9880 // For legacy apps that became modern, install becomes runtime. 9881 grant = GRANT_UPGRADE; 9882 } else if (mPromoteSystemApps 9883 && isSystemApp(ps) 9884 && mExistingSystemPackages.contains(ps.name)) { 9885 // For legacy system apps, install becomes runtime. 9886 // We cannot check hasInstallPermission() for system apps since those 9887 // permissions were granted implicitly and not persisted pre-M. 9888 grant = GRANT_UPGRADE; 9889 } else { 9890 // For modern apps keep runtime permissions unchanged. 9891 grant = GRANT_RUNTIME; 9892 } 9893 } break; 9894 9895 case PermissionInfo.PROTECTION_SIGNATURE: { 9896 // For all apps signature permissions are install time ones. 9897 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9898 if (allowedSig) { 9899 grant = GRANT_INSTALL; 9900 } 9901 } break; 9902 } 9903 9904 if (DEBUG_INSTALL) { 9905 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9906 } 9907 9908 if (grant != GRANT_DENIED) { 9909 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9910 // If this is an existing, non-system package, then 9911 // we can't add any new permissions to it. 9912 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9913 // Except... if this is a permission that was added 9914 // to the platform (note: need to only do this when 9915 // updating the platform). 9916 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9917 grant = GRANT_DENIED; 9918 } 9919 } 9920 } 9921 9922 switch (grant) { 9923 case GRANT_INSTALL: { 9924 // Revoke this as runtime permission to handle the case of 9925 // a runtime permission being downgraded to an install one. 9926 // Also in permission review mode we keep dangerous permissions 9927 // for legacy apps 9928 for (int userId : UserManagerService.getInstance().getUserIds()) { 9929 if (origPermissions.getRuntimePermissionState( 9930 bp.name, userId) != null) { 9931 // Revoke the runtime permission and clear the flags. 9932 origPermissions.revokeRuntimePermission(bp, userId); 9933 origPermissions.updatePermissionFlags(bp, userId, 9934 PackageManager.MASK_PERMISSION_FLAGS, 0); 9935 // If we revoked a permission permission, we have to write. 9936 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9937 changedRuntimePermissionUserIds, userId); 9938 } 9939 } 9940 // Grant an install permission. 9941 if (permissionsState.grantInstallPermission(bp) != 9942 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9943 changedInstallPermission = true; 9944 } 9945 } break; 9946 9947 case GRANT_RUNTIME: { 9948 // Grant previously granted runtime permissions. 9949 for (int userId : UserManagerService.getInstance().getUserIds()) { 9950 PermissionState permissionState = origPermissions 9951 .getRuntimePermissionState(bp.name, userId); 9952 int flags = permissionState != null 9953 ? permissionState.getFlags() : 0; 9954 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9955 if (permissionsState.grantRuntimePermission(bp, userId) == 9956 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9957 // If we cannot put the permission as it was, we have to write. 9958 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9959 changedRuntimePermissionUserIds, userId); 9960 } 9961 // If the app supports runtime permissions no need for a review. 9962 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 9963 && appSupportsRuntimePermissions 9964 && (flags & PackageManager 9965 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9966 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9967 // Since we changed the flags, we have to write. 9968 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9969 changedRuntimePermissionUserIds, userId); 9970 } 9971 } else if ((mPermissionReviewRequired 9972 || Build.PERMISSIONS_REVIEW_REQUIRED) 9973 && !appSupportsRuntimePermissions) { 9974 // For legacy apps that need a permission review, every new 9975 // runtime permission is granted but it is pending a review. 9976 // We also need to review only platform defined runtime 9977 // permissions as these are the only ones the platform knows 9978 // how to disable the API to simulate revocation as legacy 9979 // apps don't expect to run with revoked permissions. 9980 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9981 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9982 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9983 // We changed the flags, hence have to write. 9984 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9985 changedRuntimePermissionUserIds, userId); 9986 } 9987 } 9988 if (permissionsState.grantRuntimePermission(bp, userId) 9989 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9990 // We changed the permission, hence have to write. 9991 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9992 changedRuntimePermissionUserIds, userId); 9993 } 9994 } 9995 // Propagate the permission flags. 9996 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9997 } 9998 } break; 9999 10000 case GRANT_UPGRADE: { 10001 // Grant runtime permissions for a previously held install permission. 10002 PermissionState permissionState = origPermissions 10003 .getInstallPermissionState(bp.name); 10004 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10005 10006 if (origPermissions.revokeInstallPermission(bp) 10007 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10008 // We will be transferring the permission flags, so clear them. 10009 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10010 PackageManager.MASK_PERMISSION_FLAGS, 0); 10011 changedInstallPermission = true; 10012 } 10013 10014 // If the permission is not to be promoted to runtime we ignore it and 10015 // also its other flags as they are not applicable to install permissions. 10016 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10017 for (int userId : currentUserIds) { 10018 if (permissionsState.grantRuntimePermission(bp, userId) != 10019 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10020 // Transfer the permission flags. 10021 permissionsState.updatePermissionFlags(bp, userId, 10022 flags, flags); 10023 // If we granted the permission, we have to write. 10024 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10025 changedRuntimePermissionUserIds, userId); 10026 } 10027 } 10028 } 10029 } break; 10030 10031 default: { 10032 if (packageOfInterest == null 10033 || packageOfInterest.equals(pkg.packageName)) { 10034 Slog.w(TAG, "Not granting permission " + perm 10035 + " to package " + pkg.packageName 10036 + " because it was previously installed without"); 10037 } 10038 } break; 10039 } 10040 } else { 10041 if (permissionsState.revokeInstallPermission(bp) != 10042 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10043 // Also drop the permission flags. 10044 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10045 PackageManager.MASK_PERMISSION_FLAGS, 0); 10046 changedInstallPermission = true; 10047 Slog.i(TAG, "Un-granting permission " + perm 10048 + " from package " + pkg.packageName 10049 + " (protectionLevel=" + bp.protectionLevel 10050 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10051 + ")"); 10052 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10053 // Don't print warning for app op permissions, since it is fine for them 10054 // not to be granted, there is a UI for the user to decide. 10055 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10056 Slog.w(TAG, "Not granting permission " + perm 10057 + " to package " + pkg.packageName 10058 + " (protectionLevel=" + bp.protectionLevel 10059 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10060 + ")"); 10061 } 10062 } 10063 } 10064 } 10065 10066 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10067 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10068 // This is the first that we have heard about this package, so the 10069 // permissions we have now selected are fixed until explicitly 10070 // changed. 10071 ps.installPermissionsFixed = true; 10072 } 10073 10074 // Persist the runtime permissions state for users with changes. If permissions 10075 // were revoked because no app in the shared user declares them we have to 10076 // write synchronously to avoid losing runtime permissions state. 10077 for (int userId : changedRuntimePermissionUserIds) { 10078 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10079 } 10080 10081 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10082 } 10083 10084 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10085 boolean allowed = false; 10086 final int NP = PackageParser.NEW_PERMISSIONS.length; 10087 for (int ip=0; ip<NP; ip++) { 10088 final PackageParser.NewPermissionInfo npi 10089 = PackageParser.NEW_PERMISSIONS[ip]; 10090 if (npi.name.equals(perm) 10091 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10092 allowed = true; 10093 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10094 + pkg.packageName); 10095 break; 10096 } 10097 } 10098 return allowed; 10099 } 10100 10101 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10102 BasePermission bp, PermissionsState origPermissions) { 10103 boolean allowed; 10104 allowed = (compareSignatures( 10105 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10106 == PackageManager.SIGNATURE_MATCH) 10107 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10108 == PackageManager.SIGNATURE_MATCH); 10109 if (!allowed && (bp.protectionLevel 10110 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10111 if (isSystemApp(pkg)) { 10112 // For updated system applications, a system permission 10113 // is granted only if it had been defined by the original application. 10114 if (pkg.isUpdatedSystemApp()) { 10115 final PackageSetting sysPs = mSettings 10116 .getDisabledSystemPkgLPr(pkg.packageName); 10117 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10118 // If the original was granted this permission, we take 10119 // that grant decision as read and propagate it to the 10120 // update. 10121 if (sysPs.isPrivileged()) { 10122 allowed = true; 10123 } 10124 } else { 10125 // The system apk may have been updated with an older 10126 // version of the one on the data partition, but which 10127 // granted a new system permission that it didn't have 10128 // before. In this case we do want to allow the app to 10129 // now get the new permission if the ancestral apk is 10130 // privileged to get it. 10131 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10132 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10133 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10134 allowed = true; 10135 break; 10136 } 10137 } 10138 } 10139 // Also if a privileged parent package on the system image or any of 10140 // its children requested a privileged permission, the updated child 10141 // packages can also get the permission. 10142 if (pkg.parentPackage != null) { 10143 final PackageSetting disabledSysParentPs = mSettings 10144 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10145 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10146 && disabledSysParentPs.isPrivileged()) { 10147 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10148 allowed = true; 10149 } else if (disabledSysParentPs.pkg.childPackages != null) { 10150 final int count = disabledSysParentPs.pkg.childPackages.size(); 10151 for (int i = 0; i < count; i++) { 10152 PackageParser.Package disabledSysChildPkg = 10153 disabledSysParentPs.pkg.childPackages.get(i); 10154 if (isPackageRequestingPermission(disabledSysChildPkg, 10155 perm)) { 10156 allowed = true; 10157 break; 10158 } 10159 } 10160 } 10161 } 10162 } 10163 } 10164 } else { 10165 allowed = isPrivilegedApp(pkg); 10166 } 10167 } 10168 } 10169 if (!allowed) { 10170 if (!allowed && (bp.protectionLevel 10171 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10172 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10173 // If this was a previously normal/dangerous permission that got moved 10174 // to a system permission as part of the runtime permission redesign, then 10175 // we still want to blindly grant it to old apps. 10176 allowed = true; 10177 } 10178 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10179 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10180 // If this permission is to be granted to the system installer and 10181 // this app is an installer, then it gets the permission. 10182 allowed = true; 10183 } 10184 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10185 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10186 // If this permission is to be granted to the system verifier and 10187 // this app is a verifier, then it gets the permission. 10188 allowed = true; 10189 } 10190 if (!allowed && (bp.protectionLevel 10191 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10192 && isSystemApp(pkg)) { 10193 // Any pre-installed system app is allowed to get this permission. 10194 allowed = true; 10195 } 10196 if (!allowed && (bp.protectionLevel 10197 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10198 // For development permissions, a development permission 10199 // is granted only if it was already granted. 10200 allowed = origPermissions.hasInstallPermission(perm); 10201 } 10202 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10203 && pkg.packageName.equals(mSetupWizardPackage)) { 10204 // If this permission is to be granted to the system setup wizard and 10205 // this app is a setup wizard, then it gets the permission. 10206 allowed = true; 10207 } 10208 } 10209 return allowed; 10210 } 10211 10212 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10213 final int permCount = pkg.requestedPermissions.size(); 10214 for (int j = 0; j < permCount; j++) { 10215 String requestedPermission = pkg.requestedPermissions.get(j); 10216 if (permission.equals(requestedPermission)) { 10217 return true; 10218 } 10219 } 10220 return false; 10221 } 10222 10223 final class ActivityIntentResolver 10224 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10225 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10226 boolean defaultOnly, int userId) { 10227 if (!sUserManager.exists(userId)) return null; 10228 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10229 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10230 } 10231 10232 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10233 int userId) { 10234 if (!sUserManager.exists(userId)) return null; 10235 mFlags = flags; 10236 return super.queryIntent(intent, resolvedType, 10237 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10238 } 10239 10240 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10241 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10242 if (!sUserManager.exists(userId)) return null; 10243 if (packageActivities == null) { 10244 return null; 10245 } 10246 mFlags = flags; 10247 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10248 final int N = packageActivities.size(); 10249 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10250 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10251 10252 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10253 for (int i = 0; i < N; ++i) { 10254 intentFilters = packageActivities.get(i).intents; 10255 if (intentFilters != null && intentFilters.size() > 0) { 10256 PackageParser.ActivityIntentInfo[] array = 10257 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10258 intentFilters.toArray(array); 10259 listCut.add(array); 10260 } 10261 } 10262 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10263 } 10264 10265 /** 10266 * Finds a privileged activity that matches the specified activity names. 10267 */ 10268 private PackageParser.Activity findMatchingActivity( 10269 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10270 for (PackageParser.Activity sysActivity : activityList) { 10271 if (sysActivity.info.name.equals(activityInfo.name)) { 10272 return sysActivity; 10273 } 10274 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10275 return sysActivity; 10276 } 10277 if (sysActivity.info.targetActivity != null) { 10278 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10279 return sysActivity; 10280 } 10281 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10282 return sysActivity; 10283 } 10284 } 10285 } 10286 return null; 10287 } 10288 10289 public class IterGenerator<E> { 10290 public Iterator<E> generate(ActivityIntentInfo info) { 10291 return null; 10292 } 10293 } 10294 10295 public class ActionIterGenerator extends IterGenerator<String> { 10296 @Override 10297 public Iterator<String> generate(ActivityIntentInfo info) { 10298 return info.actionsIterator(); 10299 } 10300 } 10301 10302 public class CategoriesIterGenerator extends IterGenerator<String> { 10303 @Override 10304 public Iterator<String> generate(ActivityIntentInfo info) { 10305 return info.categoriesIterator(); 10306 } 10307 } 10308 10309 public class SchemesIterGenerator extends IterGenerator<String> { 10310 @Override 10311 public Iterator<String> generate(ActivityIntentInfo info) { 10312 return info.schemesIterator(); 10313 } 10314 } 10315 10316 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10317 @Override 10318 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10319 return info.authoritiesIterator(); 10320 } 10321 } 10322 10323 /** 10324 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10325 * MODIFIED. Do not pass in a list that should not be changed. 10326 */ 10327 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10328 IterGenerator<T> generator, Iterator<T> searchIterator) { 10329 // loop through the set of actions; every one must be found in the intent filter 10330 while (searchIterator.hasNext()) { 10331 // we must have at least one filter in the list to consider a match 10332 if (intentList.size() == 0) { 10333 break; 10334 } 10335 10336 final T searchAction = searchIterator.next(); 10337 10338 // loop through the set of intent filters 10339 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10340 while (intentIter.hasNext()) { 10341 final ActivityIntentInfo intentInfo = intentIter.next(); 10342 boolean selectionFound = false; 10343 10344 // loop through the intent filter's selection criteria; at least one 10345 // of them must match the searched criteria 10346 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10347 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10348 final T intentSelection = intentSelectionIter.next(); 10349 if (intentSelection != null && intentSelection.equals(searchAction)) { 10350 selectionFound = true; 10351 break; 10352 } 10353 } 10354 10355 // the selection criteria wasn't found in this filter's set; this filter 10356 // is not a potential match 10357 if (!selectionFound) { 10358 intentIter.remove(); 10359 } 10360 } 10361 } 10362 } 10363 10364 private boolean isProtectedAction(ActivityIntentInfo filter) { 10365 final Iterator<String> actionsIter = filter.actionsIterator(); 10366 while (actionsIter != null && actionsIter.hasNext()) { 10367 final String filterAction = actionsIter.next(); 10368 if (PROTECTED_ACTIONS.contains(filterAction)) { 10369 return true; 10370 } 10371 } 10372 return false; 10373 } 10374 10375 /** 10376 * Adjusts the priority of the given intent filter according to policy. 10377 * <p> 10378 * <ul> 10379 * <li>The priority for non privileged applications is capped to '0'</li> 10380 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10381 * <li>The priority for unbundled updates to privileged applications is capped to the 10382 * priority defined on the system partition</li> 10383 * </ul> 10384 * <p> 10385 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10386 * allowed to obtain any priority on any action. 10387 */ 10388 private void adjustPriority( 10389 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10390 // nothing to do; priority is fine as-is 10391 if (intent.getPriority() <= 0) { 10392 return; 10393 } 10394 10395 final ActivityInfo activityInfo = intent.activity.info; 10396 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10397 10398 final boolean privilegedApp = 10399 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10400 if (!privilegedApp) { 10401 // non-privileged applications can never define a priority >0 10402 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10403 + " package: " + applicationInfo.packageName 10404 + " activity: " + intent.activity.className 10405 + " origPrio: " + intent.getPriority()); 10406 intent.setPriority(0); 10407 return; 10408 } 10409 10410 if (systemActivities == null) { 10411 // the system package is not disabled; we're parsing the system partition 10412 if (isProtectedAction(intent)) { 10413 if (mDeferProtectedFilters) { 10414 // We can't deal with these just yet. No component should ever obtain a 10415 // >0 priority for a protected actions, with ONE exception -- the setup 10416 // wizard. The setup wizard, however, cannot be known until we're able to 10417 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10418 // until all intent filters have been processed. Chicken, meet egg. 10419 // Let the filter temporarily have a high priority and rectify the 10420 // priorities after all system packages have been scanned. 10421 mProtectedFilters.add(intent); 10422 if (DEBUG_FILTERS) { 10423 Slog.i(TAG, "Protected action; save for later;" 10424 + " package: " + applicationInfo.packageName 10425 + " activity: " + intent.activity.className 10426 + " origPrio: " + intent.getPriority()); 10427 } 10428 return; 10429 } else { 10430 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10431 Slog.i(TAG, "No setup wizard;" 10432 + " All protected intents capped to priority 0"); 10433 } 10434 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10435 if (DEBUG_FILTERS) { 10436 Slog.i(TAG, "Found setup wizard;" 10437 + " allow priority " + intent.getPriority() + ";" 10438 + " package: " + intent.activity.info.packageName 10439 + " activity: " + intent.activity.className 10440 + " priority: " + intent.getPriority()); 10441 } 10442 // setup wizard gets whatever it wants 10443 return; 10444 } 10445 Slog.w(TAG, "Protected action; cap priority to 0;" 10446 + " package: " + intent.activity.info.packageName 10447 + " activity: " + intent.activity.className 10448 + " origPrio: " + intent.getPriority()); 10449 intent.setPriority(0); 10450 return; 10451 } 10452 } 10453 // privileged apps on the system image get whatever priority they request 10454 return; 10455 } 10456 10457 // privileged app unbundled update ... try to find the same activity 10458 final PackageParser.Activity foundActivity = 10459 findMatchingActivity(systemActivities, activityInfo); 10460 if (foundActivity == null) { 10461 // this is a new activity; it cannot obtain >0 priority 10462 if (DEBUG_FILTERS) { 10463 Slog.i(TAG, "New activity; cap priority to 0;" 10464 + " package: " + applicationInfo.packageName 10465 + " activity: " + intent.activity.className 10466 + " origPrio: " + intent.getPriority()); 10467 } 10468 intent.setPriority(0); 10469 return; 10470 } 10471 10472 // found activity, now check for filter equivalence 10473 10474 // a shallow copy is enough; we modify the list, not its contents 10475 final List<ActivityIntentInfo> intentListCopy = 10476 new ArrayList<>(foundActivity.intents); 10477 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10478 10479 // find matching action subsets 10480 final Iterator<String> actionsIterator = intent.actionsIterator(); 10481 if (actionsIterator != null) { 10482 getIntentListSubset( 10483 intentListCopy, new ActionIterGenerator(), actionsIterator); 10484 if (intentListCopy.size() == 0) { 10485 // no more intents to match; we're not equivalent 10486 if (DEBUG_FILTERS) { 10487 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10488 + " package: " + applicationInfo.packageName 10489 + " activity: " + intent.activity.className 10490 + " origPrio: " + intent.getPriority()); 10491 } 10492 intent.setPriority(0); 10493 return; 10494 } 10495 } 10496 10497 // find matching category subsets 10498 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10499 if (categoriesIterator != null) { 10500 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10501 categoriesIterator); 10502 if (intentListCopy.size() == 0) { 10503 // no more intents to match; we're not equivalent 10504 if (DEBUG_FILTERS) { 10505 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10506 + " package: " + applicationInfo.packageName 10507 + " activity: " + intent.activity.className 10508 + " origPrio: " + intent.getPriority()); 10509 } 10510 intent.setPriority(0); 10511 return; 10512 } 10513 } 10514 10515 // find matching schemes subsets 10516 final Iterator<String> schemesIterator = intent.schemesIterator(); 10517 if (schemesIterator != null) { 10518 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10519 schemesIterator); 10520 if (intentListCopy.size() == 0) { 10521 // no more intents to match; we're not equivalent 10522 if (DEBUG_FILTERS) { 10523 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10524 + " package: " + applicationInfo.packageName 10525 + " activity: " + intent.activity.className 10526 + " origPrio: " + intent.getPriority()); 10527 } 10528 intent.setPriority(0); 10529 return; 10530 } 10531 } 10532 10533 // find matching authorities subsets 10534 final Iterator<IntentFilter.AuthorityEntry> 10535 authoritiesIterator = intent.authoritiesIterator(); 10536 if (authoritiesIterator != null) { 10537 getIntentListSubset(intentListCopy, 10538 new AuthoritiesIterGenerator(), 10539 authoritiesIterator); 10540 if (intentListCopy.size() == 0) { 10541 // no more intents to match; we're not equivalent 10542 if (DEBUG_FILTERS) { 10543 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10544 + " package: " + applicationInfo.packageName 10545 + " activity: " + intent.activity.className 10546 + " origPrio: " + intent.getPriority()); 10547 } 10548 intent.setPriority(0); 10549 return; 10550 } 10551 } 10552 10553 // we found matching filter(s); app gets the max priority of all intents 10554 int cappedPriority = 0; 10555 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10556 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10557 } 10558 if (intent.getPriority() > cappedPriority) { 10559 if (DEBUG_FILTERS) { 10560 Slog.i(TAG, "Found matching filter(s);" 10561 + " cap priority to " + cappedPriority + ";" 10562 + " package: " + applicationInfo.packageName 10563 + " activity: " + intent.activity.className 10564 + " origPrio: " + intent.getPriority()); 10565 } 10566 intent.setPriority(cappedPriority); 10567 return; 10568 } 10569 // all this for nothing; the requested priority was <= what was on the system 10570 } 10571 10572 public final void addActivity(PackageParser.Activity a, String type) { 10573 mActivities.put(a.getComponentName(), a); 10574 if (DEBUG_SHOW_INFO) 10575 Log.v( 10576 TAG, " " + type + " " + 10577 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10578 if (DEBUG_SHOW_INFO) 10579 Log.v(TAG, " Class=" + a.info.name); 10580 final int NI = a.intents.size(); 10581 for (int j=0; j<NI; j++) { 10582 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10583 if ("activity".equals(type)) { 10584 final PackageSetting ps = 10585 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10586 final List<PackageParser.Activity> systemActivities = 10587 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10588 adjustPriority(systemActivities, intent); 10589 } 10590 if (DEBUG_SHOW_INFO) { 10591 Log.v(TAG, " IntentFilter:"); 10592 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10593 } 10594 if (!intent.debugCheck()) { 10595 Log.w(TAG, "==> For Activity " + a.info.name); 10596 } 10597 addFilter(intent); 10598 } 10599 } 10600 10601 public final void removeActivity(PackageParser.Activity a, String type) { 10602 mActivities.remove(a.getComponentName()); 10603 if (DEBUG_SHOW_INFO) { 10604 Log.v(TAG, " " + type + " " 10605 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10606 : a.info.name) + ":"); 10607 Log.v(TAG, " Class=" + a.info.name); 10608 } 10609 final int NI = a.intents.size(); 10610 for (int j=0; j<NI; j++) { 10611 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10612 if (DEBUG_SHOW_INFO) { 10613 Log.v(TAG, " IntentFilter:"); 10614 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10615 } 10616 removeFilter(intent); 10617 } 10618 } 10619 10620 @Override 10621 protected boolean allowFilterResult( 10622 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10623 ActivityInfo filterAi = filter.activity.info; 10624 for (int i=dest.size()-1; i>=0; i--) { 10625 ActivityInfo destAi = dest.get(i).activityInfo; 10626 if (destAi.name == filterAi.name 10627 && destAi.packageName == filterAi.packageName) { 10628 return false; 10629 } 10630 } 10631 return true; 10632 } 10633 10634 @Override 10635 protected ActivityIntentInfo[] newArray(int size) { 10636 return new ActivityIntentInfo[size]; 10637 } 10638 10639 @Override 10640 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10641 if (!sUserManager.exists(userId)) return true; 10642 PackageParser.Package p = filter.activity.owner; 10643 if (p != null) { 10644 PackageSetting ps = (PackageSetting)p.mExtras; 10645 if (ps != null) { 10646 // System apps are never considered stopped for purposes of 10647 // filtering, because there may be no way for the user to 10648 // actually re-launch them. 10649 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10650 && ps.getStopped(userId); 10651 } 10652 } 10653 return false; 10654 } 10655 10656 @Override 10657 protected boolean isPackageForFilter(String packageName, 10658 PackageParser.ActivityIntentInfo info) { 10659 return packageName.equals(info.activity.owner.packageName); 10660 } 10661 10662 @Override 10663 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10664 int match, int userId) { 10665 if (!sUserManager.exists(userId)) return null; 10666 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10667 return null; 10668 } 10669 final PackageParser.Activity activity = info.activity; 10670 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10671 if (ps == null) { 10672 return null; 10673 } 10674 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10675 ps.readUserState(userId), userId); 10676 if (ai == null) { 10677 return null; 10678 } 10679 final ResolveInfo res = new ResolveInfo(); 10680 res.activityInfo = ai; 10681 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10682 res.filter = info; 10683 } 10684 if (info != null) { 10685 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10686 } 10687 res.priority = info.getPriority(); 10688 res.preferredOrder = activity.owner.mPreferredOrder; 10689 //System.out.println("Result: " + res.activityInfo.className + 10690 // " = " + res.priority); 10691 res.match = match; 10692 res.isDefault = info.hasDefault; 10693 res.labelRes = info.labelRes; 10694 res.nonLocalizedLabel = info.nonLocalizedLabel; 10695 if (userNeedsBadging(userId)) { 10696 res.noResourceId = true; 10697 } else { 10698 res.icon = info.icon; 10699 } 10700 res.iconResourceId = info.icon; 10701 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10702 return res; 10703 } 10704 10705 @Override 10706 protected void sortResults(List<ResolveInfo> results) { 10707 Collections.sort(results, mResolvePrioritySorter); 10708 } 10709 10710 @Override 10711 protected void dumpFilter(PrintWriter out, String prefix, 10712 PackageParser.ActivityIntentInfo filter) { 10713 out.print(prefix); out.print( 10714 Integer.toHexString(System.identityHashCode(filter.activity))); 10715 out.print(' '); 10716 filter.activity.printComponentShortName(out); 10717 out.print(" filter "); 10718 out.println(Integer.toHexString(System.identityHashCode(filter))); 10719 } 10720 10721 @Override 10722 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10723 return filter.activity; 10724 } 10725 10726 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10727 PackageParser.Activity activity = (PackageParser.Activity)label; 10728 out.print(prefix); out.print( 10729 Integer.toHexString(System.identityHashCode(activity))); 10730 out.print(' '); 10731 activity.printComponentShortName(out); 10732 if (count > 1) { 10733 out.print(" ("); out.print(count); out.print(" filters)"); 10734 } 10735 out.println(); 10736 } 10737 10738 // Keys are String (activity class name), values are Activity. 10739 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10740 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10741 private int mFlags; 10742 } 10743 10744 private final class ServiceIntentResolver 10745 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10746 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10747 boolean defaultOnly, int userId) { 10748 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10749 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10750 } 10751 10752 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10753 int userId) { 10754 if (!sUserManager.exists(userId)) return null; 10755 mFlags = flags; 10756 return super.queryIntent(intent, resolvedType, 10757 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10758 } 10759 10760 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10761 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10762 if (!sUserManager.exists(userId)) return null; 10763 if (packageServices == null) { 10764 return null; 10765 } 10766 mFlags = flags; 10767 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10768 final int N = packageServices.size(); 10769 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10770 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10771 10772 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10773 for (int i = 0; i < N; ++i) { 10774 intentFilters = packageServices.get(i).intents; 10775 if (intentFilters != null && intentFilters.size() > 0) { 10776 PackageParser.ServiceIntentInfo[] array = 10777 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10778 intentFilters.toArray(array); 10779 listCut.add(array); 10780 } 10781 } 10782 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10783 } 10784 10785 public final void addService(PackageParser.Service s) { 10786 mServices.put(s.getComponentName(), s); 10787 if (DEBUG_SHOW_INFO) { 10788 Log.v(TAG, " " 10789 + (s.info.nonLocalizedLabel != null 10790 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10791 Log.v(TAG, " Class=" + s.info.name); 10792 } 10793 final int NI = s.intents.size(); 10794 int j; 10795 for (j=0; j<NI; j++) { 10796 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10797 if (DEBUG_SHOW_INFO) { 10798 Log.v(TAG, " IntentFilter:"); 10799 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10800 } 10801 if (!intent.debugCheck()) { 10802 Log.w(TAG, "==> For Service " + s.info.name); 10803 } 10804 addFilter(intent); 10805 } 10806 } 10807 10808 public final void removeService(PackageParser.Service s) { 10809 mServices.remove(s.getComponentName()); 10810 if (DEBUG_SHOW_INFO) { 10811 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10812 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10813 Log.v(TAG, " Class=" + s.info.name); 10814 } 10815 final int NI = s.intents.size(); 10816 int j; 10817 for (j=0; j<NI; j++) { 10818 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10819 if (DEBUG_SHOW_INFO) { 10820 Log.v(TAG, " IntentFilter:"); 10821 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10822 } 10823 removeFilter(intent); 10824 } 10825 } 10826 10827 @Override 10828 protected boolean allowFilterResult( 10829 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10830 ServiceInfo filterSi = filter.service.info; 10831 for (int i=dest.size()-1; i>=0; i--) { 10832 ServiceInfo destAi = dest.get(i).serviceInfo; 10833 if (destAi.name == filterSi.name 10834 && destAi.packageName == filterSi.packageName) { 10835 return false; 10836 } 10837 } 10838 return true; 10839 } 10840 10841 @Override 10842 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10843 return new PackageParser.ServiceIntentInfo[size]; 10844 } 10845 10846 @Override 10847 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10848 if (!sUserManager.exists(userId)) return true; 10849 PackageParser.Package p = filter.service.owner; 10850 if (p != null) { 10851 PackageSetting ps = (PackageSetting)p.mExtras; 10852 if (ps != null) { 10853 // System apps are never considered stopped for purposes of 10854 // filtering, because there may be no way for the user to 10855 // actually re-launch them. 10856 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10857 && ps.getStopped(userId); 10858 } 10859 } 10860 return false; 10861 } 10862 10863 @Override 10864 protected boolean isPackageForFilter(String packageName, 10865 PackageParser.ServiceIntentInfo info) { 10866 return packageName.equals(info.service.owner.packageName); 10867 } 10868 10869 @Override 10870 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10871 int match, int userId) { 10872 if (!sUserManager.exists(userId)) return null; 10873 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10874 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10875 return null; 10876 } 10877 final PackageParser.Service service = info.service; 10878 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10879 if (ps == null) { 10880 return null; 10881 } 10882 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10883 ps.readUserState(userId), userId); 10884 if (si == null) { 10885 return null; 10886 } 10887 final ResolveInfo res = new ResolveInfo(); 10888 res.serviceInfo = si; 10889 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10890 res.filter = filter; 10891 } 10892 res.priority = info.getPriority(); 10893 res.preferredOrder = service.owner.mPreferredOrder; 10894 res.match = match; 10895 res.isDefault = info.hasDefault; 10896 res.labelRes = info.labelRes; 10897 res.nonLocalizedLabel = info.nonLocalizedLabel; 10898 res.icon = info.icon; 10899 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10900 return res; 10901 } 10902 10903 @Override 10904 protected void sortResults(List<ResolveInfo> results) { 10905 Collections.sort(results, mResolvePrioritySorter); 10906 } 10907 10908 @Override 10909 protected void dumpFilter(PrintWriter out, String prefix, 10910 PackageParser.ServiceIntentInfo filter) { 10911 out.print(prefix); out.print( 10912 Integer.toHexString(System.identityHashCode(filter.service))); 10913 out.print(' '); 10914 filter.service.printComponentShortName(out); 10915 out.print(" filter "); 10916 out.println(Integer.toHexString(System.identityHashCode(filter))); 10917 } 10918 10919 @Override 10920 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10921 return filter.service; 10922 } 10923 10924 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10925 PackageParser.Service service = (PackageParser.Service)label; 10926 out.print(prefix); out.print( 10927 Integer.toHexString(System.identityHashCode(service))); 10928 out.print(' '); 10929 service.printComponentShortName(out); 10930 if (count > 1) { 10931 out.print(" ("); out.print(count); out.print(" filters)"); 10932 } 10933 out.println(); 10934 } 10935 10936// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10937// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10938// final List<ResolveInfo> retList = Lists.newArrayList(); 10939// while (i.hasNext()) { 10940// final ResolveInfo resolveInfo = (ResolveInfo) i; 10941// if (isEnabledLP(resolveInfo.serviceInfo)) { 10942// retList.add(resolveInfo); 10943// } 10944// } 10945// return retList; 10946// } 10947 10948 // Keys are String (activity class name), values are Activity. 10949 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10950 = new ArrayMap<ComponentName, PackageParser.Service>(); 10951 private int mFlags; 10952 }; 10953 10954 private final class ProviderIntentResolver 10955 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10956 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10957 boolean defaultOnly, int userId) { 10958 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10959 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10960 } 10961 10962 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10963 int userId) { 10964 if (!sUserManager.exists(userId)) 10965 return null; 10966 mFlags = flags; 10967 return super.queryIntent(intent, resolvedType, 10968 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10969 } 10970 10971 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10972 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10973 if (!sUserManager.exists(userId)) 10974 return null; 10975 if (packageProviders == null) { 10976 return null; 10977 } 10978 mFlags = flags; 10979 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10980 final int N = packageProviders.size(); 10981 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10982 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10983 10984 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10985 for (int i = 0; i < N; ++i) { 10986 intentFilters = packageProviders.get(i).intents; 10987 if (intentFilters != null && intentFilters.size() > 0) { 10988 PackageParser.ProviderIntentInfo[] array = 10989 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10990 intentFilters.toArray(array); 10991 listCut.add(array); 10992 } 10993 } 10994 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10995 } 10996 10997 public final void addProvider(PackageParser.Provider p) { 10998 if (mProviders.containsKey(p.getComponentName())) { 10999 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11000 return; 11001 } 11002 11003 mProviders.put(p.getComponentName(), p); 11004 if (DEBUG_SHOW_INFO) { 11005 Log.v(TAG, " " 11006 + (p.info.nonLocalizedLabel != null 11007 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11008 Log.v(TAG, " Class=" + p.info.name); 11009 } 11010 final int NI = p.intents.size(); 11011 int j; 11012 for (j = 0; j < NI; j++) { 11013 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11014 if (DEBUG_SHOW_INFO) { 11015 Log.v(TAG, " IntentFilter:"); 11016 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11017 } 11018 if (!intent.debugCheck()) { 11019 Log.w(TAG, "==> For Provider " + p.info.name); 11020 } 11021 addFilter(intent); 11022 } 11023 } 11024 11025 public final void removeProvider(PackageParser.Provider p) { 11026 mProviders.remove(p.getComponentName()); 11027 if (DEBUG_SHOW_INFO) { 11028 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11029 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11030 Log.v(TAG, " Class=" + p.info.name); 11031 } 11032 final int NI = p.intents.size(); 11033 int j; 11034 for (j = 0; j < NI; j++) { 11035 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11036 if (DEBUG_SHOW_INFO) { 11037 Log.v(TAG, " IntentFilter:"); 11038 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11039 } 11040 removeFilter(intent); 11041 } 11042 } 11043 11044 @Override 11045 protected boolean allowFilterResult( 11046 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11047 ProviderInfo filterPi = filter.provider.info; 11048 for (int i = dest.size() - 1; i >= 0; i--) { 11049 ProviderInfo destPi = dest.get(i).providerInfo; 11050 if (destPi.name == filterPi.name 11051 && destPi.packageName == filterPi.packageName) { 11052 return false; 11053 } 11054 } 11055 return true; 11056 } 11057 11058 @Override 11059 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11060 return new PackageParser.ProviderIntentInfo[size]; 11061 } 11062 11063 @Override 11064 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11065 if (!sUserManager.exists(userId)) 11066 return true; 11067 PackageParser.Package p = filter.provider.owner; 11068 if (p != null) { 11069 PackageSetting ps = (PackageSetting) p.mExtras; 11070 if (ps != null) { 11071 // System apps are never considered stopped for purposes of 11072 // filtering, because there may be no way for the user to 11073 // actually re-launch them. 11074 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11075 && ps.getStopped(userId); 11076 } 11077 } 11078 return false; 11079 } 11080 11081 @Override 11082 protected boolean isPackageForFilter(String packageName, 11083 PackageParser.ProviderIntentInfo info) { 11084 return packageName.equals(info.provider.owner.packageName); 11085 } 11086 11087 @Override 11088 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11089 int match, int userId) { 11090 if (!sUserManager.exists(userId)) 11091 return null; 11092 final PackageParser.ProviderIntentInfo info = filter; 11093 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11094 return null; 11095 } 11096 final PackageParser.Provider provider = info.provider; 11097 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11098 if (ps == null) { 11099 return null; 11100 } 11101 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11102 ps.readUserState(userId), userId); 11103 if (pi == null) { 11104 return null; 11105 } 11106 final ResolveInfo res = new ResolveInfo(); 11107 res.providerInfo = pi; 11108 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11109 res.filter = filter; 11110 } 11111 res.priority = info.getPriority(); 11112 res.preferredOrder = provider.owner.mPreferredOrder; 11113 res.match = match; 11114 res.isDefault = info.hasDefault; 11115 res.labelRes = info.labelRes; 11116 res.nonLocalizedLabel = info.nonLocalizedLabel; 11117 res.icon = info.icon; 11118 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11119 return res; 11120 } 11121 11122 @Override 11123 protected void sortResults(List<ResolveInfo> results) { 11124 Collections.sort(results, mResolvePrioritySorter); 11125 } 11126 11127 @Override 11128 protected void dumpFilter(PrintWriter out, String prefix, 11129 PackageParser.ProviderIntentInfo filter) { 11130 out.print(prefix); 11131 out.print( 11132 Integer.toHexString(System.identityHashCode(filter.provider))); 11133 out.print(' '); 11134 filter.provider.printComponentShortName(out); 11135 out.print(" filter "); 11136 out.println(Integer.toHexString(System.identityHashCode(filter))); 11137 } 11138 11139 @Override 11140 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11141 return filter.provider; 11142 } 11143 11144 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11145 PackageParser.Provider provider = (PackageParser.Provider)label; 11146 out.print(prefix); out.print( 11147 Integer.toHexString(System.identityHashCode(provider))); 11148 out.print(' '); 11149 provider.printComponentShortName(out); 11150 if (count > 1) { 11151 out.print(" ("); out.print(count); out.print(" filters)"); 11152 } 11153 out.println(); 11154 } 11155 11156 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11157 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11158 private int mFlags; 11159 } 11160 11161 private static final class EphemeralIntentResolver 11162 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11163 @Override 11164 protected EphemeralResolveIntentInfo[] newArray(int size) { 11165 return new EphemeralResolveIntentInfo[size]; 11166 } 11167 11168 @Override 11169 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11170 return true; 11171 } 11172 11173 @Override 11174 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11175 int userId) { 11176 if (!sUserManager.exists(userId)) { 11177 return null; 11178 } 11179 return info.getEphemeralResolveInfo(); 11180 } 11181 } 11182 11183 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11184 new Comparator<ResolveInfo>() { 11185 public int compare(ResolveInfo r1, ResolveInfo r2) { 11186 int v1 = r1.priority; 11187 int v2 = r2.priority; 11188 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11189 if (v1 != v2) { 11190 return (v1 > v2) ? -1 : 1; 11191 } 11192 v1 = r1.preferredOrder; 11193 v2 = r2.preferredOrder; 11194 if (v1 != v2) { 11195 return (v1 > v2) ? -1 : 1; 11196 } 11197 if (r1.isDefault != r2.isDefault) { 11198 return r1.isDefault ? -1 : 1; 11199 } 11200 v1 = r1.match; 11201 v2 = r2.match; 11202 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11203 if (v1 != v2) { 11204 return (v1 > v2) ? -1 : 1; 11205 } 11206 if (r1.system != r2.system) { 11207 return r1.system ? -1 : 1; 11208 } 11209 if (r1.activityInfo != null) { 11210 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11211 } 11212 if (r1.serviceInfo != null) { 11213 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11214 } 11215 if (r1.providerInfo != null) { 11216 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11217 } 11218 return 0; 11219 } 11220 }; 11221 11222 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11223 new Comparator<ProviderInfo>() { 11224 public int compare(ProviderInfo p1, ProviderInfo p2) { 11225 final int v1 = p1.initOrder; 11226 final int v2 = p2.initOrder; 11227 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11228 } 11229 }; 11230 11231 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11232 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11233 final int[] userIds) { 11234 mHandler.post(new Runnable() { 11235 @Override 11236 public void run() { 11237 try { 11238 final IActivityManager am = ActivityManagerNative.getDefault(); 11239 if (am == null) return; 11240 final int[] resolvedUserIds; 11241 if (userIds == null) { 11242 resolvedUserIds = am.getRunningUserIds(); 11243 } else { 11244 resolvedUserIds = userIds; 11245 } 11246 for (int id : resolvedUserIds) { 11247 final Intent intent = new Intent(action, 11248 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11249 if (extras != null) { 11250 intent.putExtras(extras); 11251 } 11252 if (targetPkg != null) { 11253 intent.setPackage(targetPkg); 11254 } 11255 // Modify the UID when posting to other users 11256 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11257 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11258 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11259 intent.putExtra(Intent.EXTRA_UID, uid); 11260 } 11261 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11262 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11263 if (DEBUG_BROADCASTS) { 11264 RuntimeException here = new RuntimeException("here"); 11265 here.fillInStackTrace(); 11266 Slog.d(TAG, "Sending to user " + id + ": " 11267 + intent.toShortString(false, true, false, false) 11268 + " " + intent.getExtras(), here); 11269 } 11270 am.broadcastIntent(null, intent, null, finishedReceiver, 11271 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11272 null, finishedReceiver != null, false, id); 11273 } 11274 } catch (RemoteException ex) { 11275 } 11276 } 11277 }); 11278 } 11279 11280 /** 11281 * Check if the external storage media is available. This is true if there 11282 * is a mounted external storage medium or if the external storage is 11283 * emulated. 11284 */ 11285 private boolean isExternalMediaAvailable() { 11286 return mMediaMounted || Environment.isExternalStorageEmulated(); 11287 } 11288 11289 @Override 11290 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11291 // writer 11292 synchronized (mPackages) { 11293 if (!isExternalMediaAvailable()) { 11294 // If the external storage is no longer mounted at this point, 11295 // the caller may not have been able to delete all of this 11296 // packages files and can not delete any more. Bail. 11297 return null; 11298 } 11299 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11300 if (lastPackage != null) { 11301 pkgs.remove(lastPackage); 11302 } 11303 if (pkgs.size() > 0) { 11304 return pkgs.get(0); 11305 } 11306 } 11307 return null; 11308 } 11309 11310 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11311 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11312 userId, andCode ? 1 : 0, packageName); 11313 if (mSystemReady) { 11314 msg.sendToTarget(); 11315 } else { 11316 if (mPostSystemReadyMessages == null) { 11317 mPostSystemReadyMessages = new ArrayList<>(); 11318 } 11319 mPostSystemReadyMessages.add(msg); 11320 } 11321 } 11322 11323 void startCleaningPackages() { 11324 // reader 11325 if (!isExternalMediaAvailable()) { 11326 return; 11327 } 11328 synchronized (mPackages) { 11329 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11330 return; 11331 } 11332 } 11333 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11334 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11335 IActivityManager am = ActivityManagerNative.getDefault(); 11336 if (am != null) { 11337 try { 11338 am.startService(null, intent, null, mContext.getOpPackageName(), 11339 UserHandle.USER_SYSTEM); 11340 } catch (RemoteException e) { 11341 } 11342 } 11343 } 11344 11345 @Override 11346 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11347 int installFlags, String installerPackageName, int userId) { 11348 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11349 11350 final int callingUid = Binder.getCallingUid(); 11351 enforceCrossUserPermission(callingUid, userId, 11352 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11353 11354 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11355 try { 11356 if (observer != null) { 11357 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11358 } 11359 } catch (RemoteException re) { 11360 } 11361 return; 11362 } 11363 11364 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11365 installFlags |= PackageManager.INSTALL_FROM_ADB; 11366 11367 } else { 11368 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11369 // about installerPackageName. 11370 11371 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11372 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11373 } 11374 11375 UserHandle user; 11376 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11377 user = UserHandle.ALL; 11378 } else { 11379 user = new UserHandle(userId); 11380 } 11381 11382 // Only system components can circumvent runtime permissions when installing. 11383 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11384 && mContext.checkCallingOrSelfPermission(Manifest.permission 11385 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11386 throw new SecurityException("You need the " 11387 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11388 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11389 } 11390 11391 final File originFile = new File(originPath); 11392 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11393 11394 final Message msg = mHandler.obtainMessage(INIT_COPY); 11395 final VerificationInfo verificationInfo = new VerificationInfo( 11396 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11397 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11398 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11399 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11400 null /*certificates*/); 11401 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11402 msg.obj = params; 11403 11404 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11405 System.identityHashCode(msg.obj)); 11406 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11407 System.identityHashCode(msg.obj)); 11408 11409 mHandler.sendMessage(msg); 11410 } 11411 11412 void installStage(String packageName, File stagedDir, String stagedCid, 11413 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11414 String installerPackageName, int installerUid, UserHandle user, 11415 Certificate[][] certificates) { 11416 if (DEBUG_EPHEMERAL) { 11417 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11418 Slog.d(TAG, "Ephemeral install of " + packageName); 11419 } 11420 } 11421 final VerificationInfo verificationInfo = new VerificationInfo( 11422 sessionParams.originatingUri, sessionParams.referrerUri, 11423 sessionParams.originatingUid, installerUid); 11424 11425 final OriginInfo origin; 11426 if (stagedDir != null) { 11427 origin = OriginInfo.fromStagedFile(stagedDir); 11428 } else { 11429 origin = OriginInfo.fromStagedContainer(stagedCid); 11430 } 11431 11432 final Message msg = mHandler.obtainMessage(INIT_COPY); 11433 final InstallParams params = new InstallParams(origin, null, observer, 11434 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11435 verificationInfo, user, sessionParams.abiOverride, 11436 sessionParams.grantedRuntimePermissions, certificates); 11437 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11438 msg.obj = params; 11439 11440 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11441 System.identityHashCode(msg.obj)); 11442 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11443 System.identityHashCode(msg.obj)); 11444 11445 mHandler.sendMessage(msg); 11446 } 11447 11448 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11449 int userId) { 11450 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11451 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11452 } 11453 11454 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11455 int appId, int userId) { 11456 Bundle extras = new Bundle(1); 11457 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11458 11459 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11460 packageName, extras, 0, null, null, new int[] {userId}); 11461 try { 11462 IActivityManager am = ActivityManagerNative.getDefault(); 11463 if (isSystem && am.isUserRunning(userId, 0)) { 11464 // The just-installed/enabled app is bundled on the system, so presumed 11465 // to be able to run automatically without needing an explicit launch. 11466 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11467 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11468 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11469 .setPackage(packageName); 11470 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11471 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11472 } 11473 } catch (RemoteException e) { 11474 // shouldn't happen 11475 Slog.w(TAG, "Unable to bootstrap installed package", e); 11476 } 11477 } 11478 11479 @Override 11480 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11481 int userId) { 11482 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11483 PackageSetting pkgSetting; 11484 final int uid = Binder.getCallingUid(); 11485 enforceCrossUserPermission(uid, userId, 11486 true /* requireFullPermission */, true /* checkShell */, 11487 "setApplicationHiddenSetting for user " + userId); 11488 11489 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11490 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11491 return false; 11492 } 11493 11494 long callingId = Binder.clearCallingIdentity(); 11495 try { 11496 boolean sendAdded = false; 11497 boolean sendRemoved = false; 11498 // writer 11499 synchronized (mPackages) { 11500 pkgSetting = mSettings.mPackages.get(packageName); 11501 if (pkgSetting == null) { 11502 return false; 11503 } 11504 if (pkgSetting.getHidden(userId) != hidden) { 11505 pkgSetting.setHidden(hidden, userId); 11506 mSettings.writePackageRestrictionsLPr(userId); 11507 if (hidden) { 11508 sendRemoved = true; 11509 } else { 11510 sendAdded = true; 11511 } 11512 } 11513 } 11514 if (sendAdded) { 11515 sendPackageAddedForUser(packageName, pkgSetting, userId); 11516 return true; 11517 } 11518 if (sendRemoved) { 11519 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11520 "hiding pkg"); 11521 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11522 return true; 11523 } 11524 } finally { 11525 Binder.restoreCallingIdentity(callingId); 11526 } 11527 return false; 11528 } 11529 11530 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11531 int userId) { 11532 final PackageRemovedInfo info = new PackageRemovedInfo(); 11533 info.removedPackage = packageName; 11534 info.removedUsers = new int[] {userId}; 11535 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11536 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11537 } 11538 11539 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11540 if (pkgList.length > 0) { 11541 Bundle extras = new Bundle(1); 11542 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11543 11544 sendPackageBroadcast( 11545 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11546 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11547 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11548 new int[] {userId}); 11549 } 11550 } 11551 11552 /** 11553 * Returns true if application is not found or there was an error. Otherwise it returns 11554 * the hidden state of the package for the given user. 11555 */ 11556 @Override 11557 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11558 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11559 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11560 true /* requireFullPermission */, false /* checkShell */, 11561 "getApplicationHidden for user " + userId); 11562 PackageSetting pkgSetting; 11563 long callingId = Binder.clearCallingIdentity(); 11564 try { 11565 // writer 11566 synchronized (mPackages) { 11567 pkgSetting = mSettings.mPackages.get(packageName); 11568 if (pkgSetting == null) { 11569 return true; 11570 } 11571 return pkgSetting.getHidden(userId); 11572 } 11573 } finally { 11574 Binder.restoreCallingIdentity(callingId); 11575 } 11576 } 11577 11578 /** 11579 * @hide 11580 */ 11581 @Override 11582 public int installExistingPackageAsUser(String packageName, int userId) { 11583 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11584 null); 11585 PackageSetting pkgSetting; 11586 final int uid = Binder.getCallingUid(); 11587 enforceCrossUserPermission(uid, userId, 11588 true /* requireFullPermission */, true /* checkShell */, 11589 "installExistingPackage for user " + userId); 11590 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11591 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11592 } 11593 11594 long callingId = Binder.clearCallingIdentity(); 11595 try { 11596 boolean installed = false; 11597 11598 // writer 11599 synchronized (mPackages) { 11600 pkgSetting = mSettings.mPackages.get(packageName); 11601 if (pkgSetting == null) { 11602 return PackageManager.INSTALL_FAILED_INVALID_URI; 11603 } 11604 if (!pkgSetting.getInstalled(userId)) { 11605 pkgSetting.setInstalled(true, userId); 11606 pkgSetting.setHidden(false, userId); 11607 mSettings.writePackageRestrictionsLPr(userId); 11608 installed = true; 11609 } 11610 } 11611 11612 if (installed) { 11613 if (pkgSetting.pkg != null) { 11614 synchronized (mInstallLock) { 11615 // We don't need to freeze for a brand new install 11616 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11617 } 11618 } 11619 sendPackageAddedForUser(packageName, pkgSetting, userId); 11620 } 11621 } finally { 11622 Binder.restoreCallingIdentity(callingId); 11623 } 11624 11625 return PackageManager.INSTALL_SUCCEEDED; 11626 } 11627 11628 boolean isUserRestricted(int userId, String restrictionKey) { 11629 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11630 if (restrictions.getBoolean(restrictionKey, false)) { 11631 Log.w(TAG, "User is restricted: " + restrictionKey); 11632 return true; 11633 } 11634 return false; 11635 } 11636 11637 @Override 11638 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11639 int userId) { 11640 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11641 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11642 true /* requireFullPermission */, true /* checkShell */, 11643 "setPackagesSuspended for user " + userId); 11644 11645 if (ArrayUtils.isEmpty(packageNames)) { 11646 return packageNames; 11647 } 11648 11649 // List of package names for whom the suspended state has changed. 11650 List<String> changedPackages = new ArrayList<>(packageNames.length); 11651 // List of package names for whom the suspended state is not set as requested in this 11652 // method. 11653 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11654 long callingId = Binder.clearCallingIdentity(); 11655 try { 11656 for (int i = 0; i < packageNames.length; i++) { 11657 String packageName = packageNames[i]; 11658 boolean changed = false; 11659 final int appId; 11660 synchronized (mPackages) { 11661 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11662 if (pkgSetting == null) { 11663 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11664 + "\". Skipping suspending/un-suspending."); 11665 unactionedPackages.add(packageName); 11666 continue; 11667 } 11668 appId = pkgSetting.appId; 11669 if (pkgSetting.getSuspended(userId) != suspended) { 11670 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11671 unactionedPackages.add(packageName); 11672 continue; 11673 } 11674 pkgSetting.setSuspended(suspended, userId); 11675 mSettings.writePackageRestrictionsLPr(userId); 11676 changed = true; 11677 changedPackages.add(packageName); 11678 } 11679 } 11680 11681 if (changed && suspended) { 11682 killApplication(packageName, UserHandle.getUid(userId, appId), 11683 "suspending package"); 11684 } 11685 } 11686 } finally { 11687 Binder.restoreCallingIdentity(callingId); 11688 } 11689 11690 if (!changedPackages.isEmpty()) { 11691 sendPackagesSuspendedForUser(changedPackages.toArray( 11692 new String[changedPackages.size()]), userId, suspended); 11693 } 11694 11695 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11696 } 11697 11698 @Override 11699 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11700 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11701 true /* requireFullPermission */, false /* checkShell */, 11702 "isPackageSuspendedForUser for user " + userId); 11703 synchronized (mPackages) { 11704 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11705 if (pkgSetting == null) { 11706 throw new IllegalArgumentException("Unknown target package: " + packageName); 11707 } 11708 return pkgSetting.getSuspended(userId); 11709 } 11710 } 11711 11712 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11713 if (isPackageDeviceAdmin(packageName, userId)) { 11714 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11715 + "\": has an active device admin"); 11716 return false; 11717 } 11718 11719 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11720 if (packageName.equals(activeLauncherPackageName)) { 11721 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11722 + "\": contains the active launcher"); 11723 return false; 11724 } 11725 11726 if (packageName.equals(mRequiredInstallerPackage)) { 11727 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11728 + "\": required for package installation"); 11729 return false; 11730 } 11731 11732 if (packageName.equals(mRequiredVerifierPackage)) { 11733 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11734 + "\": required for package verification"); 11735 return false; 11736 } 11737 11738 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11739 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11740 + "\": is the default dialer"); 11741 return false; 11742 } 11743 11744 return true; 11745 } 11746 11747 private String getActiveLauncherPackageName(int userId) { 11748 Intent intent = new Intent(Intent.ACTION_MAIN); 11749 intent.addCategory(Intent.CATEGORY_HOME); 11750 ResolveInfo resolveInfo = resolveIntent( 11751 intent, 11752 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11753 PackageManager.MATCH_DEFAULT_ONLY, 11754 userId); 11755 11756 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11757 } 11758 11759 private String getDefaultDialerPackageName(int userId) { 11760 synchronized (mPackages) { 11761 return mSettings.getDefaultDialerPackageNameLPw(userId); 11762 } 11763 } 11764 11765 @Override 11766 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11767 mContext.enforceCallingOrSelfPermission( 11768 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11769 "Only package verification agents can verify applications"); 11770 11771 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11772 final PackageVerificationResponse response = new PackageVerificationResponse( 11773 verificationCode, Binder.getCallingUid()); 11774 msg.arg1 = id; 11775 msg.obj = response; 11776 mHandler.sendMessage(msg); 11777 } 11778 11779 @Override 11780 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11781 long millisecondsToDelay) { 11782 mContext.enforceCallingOrSelfPermission( 11783 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11784 "Only package verification agents can extend verification timeouts"); 11785 11786 final PackageVerificationState state = mPendingVerification.get(id); 11787 final PackageVerificationResponse response = new PackageVerificationResponse( 11788 verificationCodeAtTimeout, Binder.getCallingUid()); 11789 11790 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11791 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11792 } 11793 if (millisecondsToDelay < 0) { 11794 millisecondsToDelay = 0; 11795 } 11796 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11797 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11798 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11799 } 11800 11801 if ((state != null) && !state.timeoutExtended()) { 11802 state.extendTimeout(); 11803 11804 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11805 msg.arg1 = id; 11806 msg.obj = response; 11807 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11808 } 11809 } 11810 11811 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11812 int verificationCode, UserHandle user) { 11813 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11814 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11815 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11816 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11817 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11818 11819 mContext.sendBroadcastAsUser(intent, user, 11820 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11821 } 11822 11823 private ComponentName matchComponentForVerifier(String packageName, 11824 List<ResolveInfo> receivers) { 11825 ActivityInfo targetReceiver = null; 11826 11827 final int NR = receivers.size(); 11828 for (int i = 0; i < NR; i++) { 11829 final ResolveInfo info = receivers.get(i); 11830 if (info.activityInfo == null) { 11831 continue; 11832 } 11833 11834 if (packageName.equals(info.activityInfo.packageName)) { 11835 targetReceiver = info.activityInfo; 11836 break; 11837 } 11838 } 11839 11840 if (targetReceiver == null) { 11841 return null; 11842 } 11843 11844 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11845 } 11846 11847 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11848 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11849 if (pkgInfo.verifiers.length == 0) { 11850 return null; 11851 } 11852 11853 final int N = pkgInfo.verifiers.length; 11854 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11855 for (int i = 0; i < N; i++) { 11856 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11857 11858 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11859 receivers); 11860 if (comp == null) { 11861 continue; 11862 } 11863 11864 final int verifierUid = getUidForVerifier(verifierInfo); 11865 if (verifierUid == -1) { 11866 continue; 11867 } 11868 11869 if (DEBUG_VERIFY) { 11870 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11871 + " with the correct signature"); 11872 } 11873 sufficientVerifiers.add(comp); 11874 verificationState.addSufficientVerifier(verifierUid); 11875 } 11876 11877 return sufficientVerifiers; 11878 } 11879 11880 private int getUidForVerifier(VerifierInfo verifierInfo) { 11881 synchronized (mPackages) { 11882 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11883 if (pkg == null) { 11884 return -1; 11885 } else if (pkg.mSignatures.length != 1) { 11886 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11887 + " has more than one signature; ignoring"); 11888 return -1; 11889 } 11890 11891 /* 11892 * If the public key of the package's signature does not match 11893 * our expected public key, then this is a different package and 11894 * we should skip. 11895 */ 11896 11897 final byte[] expectedPublicKey; 11898 try { 11899 final Signature verifierSig = pkg.mSignatures[0]; 11900 final PublicKey publicKey = verifierSig.getPublicKey(); 11901 expectedPublicKey = publicKey.getEncoded(); 11902 } catch (CertificateException e) { 11903 return -1; 11904 } 11905 11906 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11907 11908 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11909 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11910 + " does not have the expected public key; ignoring"); 11911 return -1; 11912 } 11913 11914 return pkg.applicationInfo.uid; 11915 } 11916 } 11917 11918 @Override 11919 public void finishPackageInstall(int token, boolean didLaunch) { 11920 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11921 11922 if (DEBUG_INSTALL) { 11923 Slog.v(TAG, "BM finishing package install for " + token); 11924 } 11925 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11926 11927 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11928 mHandler.sendMessage(msg); 11929 } 11930 11931 /** 11932 * Get the verification agent timeout. 11933 * 11934 * @return verification timeout in milliseconds 11935 */ 11936 private long getVerificationTimeout() { 11937 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11938 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11939 DEFAULT_VERIFICATION_TIMEOUT); 11940 } 11941 11942 /** 11943 * Get the default verification agent response code. 11944 * 11945 * @return default verification response code 11946 */ 11947 private int getDefaultVerificationResponse() { 11948 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11949 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11950 DEFAULT_VERIFICATION_RESPONSE); 11951 } 11952 11953 /** 11954 * Check whether or not package verification has been enabled. 11955 * 11956 * @return true if verification should be performed 11957 */ 11958 private boolean isVerificationEnabled(int userId, int installFlags) { 11959 if (!DEFAULT_VERIFY_ENABLE) { 11960 return false; 11961 } 11962 // Ephemeral apps don't get the full verification treatment 11963 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11964 if (DEBUG_EPHEMERAL) { 11965 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11966 } 11967 return false; 11968 } 11969 11970 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11971 11972 // Check if installing from ADB 11973 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11974 // Do not run verification in a test harness environment 11975 if (ActivityManager.isRunningInTestHarness()) { 11976 return false; 11977 } 11978 if (ensureVerifyAppsEnabled) { 11979 return true; 11980 } 11981 // Check if the developer does not want package verification for ADB installs 11982 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11983 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11984 return false; 11985 } 11986 } 11987 11988 if (ensureVerifyAppsEnabled) { 11989 return true; 11990 } 11991 11992 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11993 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11994 } 11995 11996 @Override 11997 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11998 throws RemoteException { 11999 mContext.enforceCallingOrSelfPermission( 12000 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12001 "Only intentfilter verification agents can verify applications"); 12002 12003 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12004 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12005 Binder.getCallingUid(), verificationCode, failedDomains); 12006 msg.arg1 = id; 12007 msg.obj = response; 12008 mHandler.sendMessage(msg); 12009 } 12010 12011 @Override 12012 public int getIntentVerificationStatus(String packageName, int userId) { 12013 synchronized (mPackages) { 12014 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12015 } 12016 } 12017 12018 @Override 12019 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12020 mContext.enforceCallingOrSelfPermission( 12021 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12022 12023 boolean result = false; 12024 synchronized (mPackages) { 12025 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12026 } 12027 if (result) { 12028 scheduleWritePackageRestrictionsLocked(userId); 12029 } 12030 return result; 12031 } 12032 12033 @Override 12034 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12035 String packageName) { 12036 synchronized (mPackages) { 12037 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12038 } 12039 } 12040 12041 @Override 12042 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12043 if (TextUtils.isEmpty(packageName)) { 12044 return ParceledListSlice.emptyList(); 12045 } 12046 synchronized (mPackages) { 12047 PackageParser.Package pkg = mPackages.get(packageName); 12048 if (pkg == null || pkg.activities == null) { 12049 return ParceledListSlice.emptyList(); 12050 } 12051 final int count = pkg.activities.size(); 12052 ArrayList<IntentFilter> result = new ArrayList<>(); 12053 for (int n=0; n<count; n++) { 12054 PackageParser.Activity activity = pkg.activities.get(n); 12055 if (activity.intents != null && activity.intents.size() > 0) { 12056 result.addAll(activity.intents); 12057 } 12058 } 12059 return new ParceledListSlice<>(result); 12060 } 12061 } 12062 12063 @Override 12064 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12065 mContext.enforceCallingOrSelfPermission( 12066 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12067 12068 synchronized (mPackages) { 12069 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12070 if (packageName != null) { 12071 result |= updateIntentVerificationStatus(packageName, 12072 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12073 userId); 12074 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12075 packageName, userId); 12076 } 12077 return result; 12078 } 12079 } 12080 12081 @Override 12082 public String getDefaultBrowserPackageName(int userId) { 12083 synchronized (mPackages) { 12084 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12085 } 12086 } 12087 12088 /** 12089 * Get the "allow unknown sources" setting. 12090 * 12091 * @return the current "allow unknown sources" setting 12092 */ 12093 private int getUnknownSourcesSettings() { 12094 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12095 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12096 -1); 12097 } 12098 12099 @Override 12100 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12101 final int uid = Binder.getCallingUid(); 12102 // writer 12103 synchronized (mPackages) { 12104 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12105 if (targetPackageSetting == null) { 12106 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12107 } 12108 12109 PackageSetting installerPackageSetting; 12110 if (installerPackageName != null) { 12111 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12112 if (installerPackageSetting == null) { 12113 throw new IllegalArgumentException("Unknown installer package: " 12114 + installerPackageName); 12115 } 12116 } else { 12117 installerPackageSetting = null; 12118 } 12119 12120 Signature[] callerSignature; 12121 Object obj = mSettings.getUserIdLPr(uid); 12122 if (obj != null) { 12123 if (obj instanceof SharedUserSetting) { 12124 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12125 } else if (obj instanceof PackageSetting) { 12126 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12127 } else { 12128 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12129 } 12130 } else { 12131 throw new SecurityException("Unknown calling UID: " + uid); 12132 } 12133 12134 // Verify: can't set installerPackageName to a package that is 12135 // not signed with the same cert as the caller. 12136 if (installerPackageSetting != null) { 12137 if (compareSignatures(callerSignature, 12138 installerPackageSetting.signatures.mSignatures) 12139 != PackageManager.SIGNATURE_MATCH) { 12140 throw new SecurityException( 12141 "Caller does not have same cert as new installer package " 12142 + installerPackageName); 12143 } 12144 } 12145 12146 // Verify: if target already has an installer package, it must 12147 // be signed with the same cert as the caller. 12148 if (targetPackageSetting.installerPackageName != null) { 12149 PackageSetting setting = mSettings.mPackages.get( 12150 targetPackageSetting.installerPackageName); 12151 // If the currently set package isn't valid, then it's always 12152 // okay to change it. 12153 if (setting != null) { 12154 if (compareSignatures(callerSignature, 12155 setting.signatures.mSignatures) 12156 != PackageManager.SIGNATURE_MATCH) { 12157 throw new SecurityException( 12158 "Caller does not have same cert as old installer package " 12159 + targetPackageSetting.installerPackageName); 12160 } 12161 } 12162 } 12163 12164 // Okay! 12165 targetPackageSetting.installerPackageName = installerPackageName; 12166 if (installerPackageName != null) { 12167 mSettings.mInstallerPackages.add(installerPackageName); 12168 } 12169 scheduleWriteSettingsLocked(); 12170 } 12171 } 12172 12173 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12174 // Queue up an async operation since the package installation may take a little while. 12175 mHandler.post(new Runnable() { 12176 public void run() { 12177 mHandler.removeCallbacks(this); 12178 // Result object to be returned 12179 PackageInstalledInfo res = new PackageInstalledInfo(); 12180 res.setReturnCode(currentStatus); 12181 res.uid = -1; 12182 res.pkg = null; 12183 res.removedInfo = null; 12184 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12185 args.doPreInstall(res.returnCode); 12186 synchronized (mInstallLock) { 12187 installPackageTracedLI(args, res); 12188 } 12189 args.doPostInstall(res.returnCode, res.uid); 12190 } 12191 12192 // A restore should be performed at this point if (a) the install 12193 // succeeded, (b) the operation is not an update, and (c) the new 12194 // package has not opted out of backup participation. 12195 final boolean update = res.removedInfo != null 12196 && res.removedInfo.removedPackage != null; 12197 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12198 boolean doRestore = !update 12199 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12200 12201 // Set up the post-install work request bookkeeping. This will be used 12202 // and cleaned up by the post-install event handling regardless of whether 12203 // there's a restore pass performed. Token values are >= 1. 12204 int token; 12205 if (mNextInstallToken < 0) mNextInstallToken = 1; 12206 token = mNextInstallToken++; 12207 12208 PostInstallData data = new PostInstallData(args, res); 12209 mRunningInstalls.put(token, data); 12210 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12211 12212 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12213 // Pass responsibility to the Backup Manager. It will perform a 12214 // restore if appropriate, then pass responsibility back to the 12215 // Package Manager to run the post-install observer callbacks 12216 // and broadcasts. 12217 IBackupManager bm = IBackupManager.Stub.asInterface( 12218 ServiceManager.getService(Context.BACKUP_SERVICE)); 12219 if (bm != null) { 12220 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12221 + " to BM for possible restore"); 12222 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12223 try { 12224 // TODO: http://b/22388012 12225 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12226 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12227 } else { 12228 doRestore = false; 12229 } 12230 } catch (RemoteException e) { 12231 // can't happen; the backup manager is local 12232 } catch (Exception e) { 12233 Slog.e(TAG, "Exception trying to enqueue restore", e); 12234 doRestore = false; 12235 } 12236 } else { 12237 Slog.e(TAG, "Backup Manager not found!"); 12238 doRestore = false; 12239 } 12240 } 12241 12242 if (!doRestore) { 12243 // No restore possible, or the Backup Manager was mysteriously not 12244 // available -- just fire the post-install work request directly. 12245 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12246 12247 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12248 12249 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12250 mHandler.sendMessage(msg); 12251 } 12252 } 12253 }); 12254 } 12255 12256 /** 12257 * Callback from PackageSettings whenever an app is first transitioned out of the 12258 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12259 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12260 * here whether the app is the target of an ongoing install, and only send the 12261 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12262 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12263 * handling. 12264 */ 12265 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12266 // Serialize this with the rest of the install-process message chain. In the 12267 // restore-at-install case, this Runnable will necessarily run before the 12268 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12269 // are coherent. In the non-restore case, the app has already completed install 12270 // and been launched through some other means, so it is not in a problematic 12271 // state for observers to see the FIRST_LAUNCH signal. 12272 mHandler.post(new Runnable() { 12273 @Override 12274 public void run() { 12275 for (int i = 0; i < mRunningInstalls.size(); i++) { 12276 final PostInstallData data = mRunningInstalls.valueAt(i); 12277 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12278 // right package; but is it for the right user? 12279 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12280 if (userId == data.res.newUsers[uIndex]) { 12281 if (DEBUG_BACKUP) { 12282 Slog.i(TAG, "Package " + pkgName 12283 + " being restored so deferring FIRST_LAUNCH"); 12284 } 12285 return; 12286 } 12287 } 12288 } 12289 } 12290 // didn't find it, so not being restored 12291 if (DEBUG_BACKUP) { 12292 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12293 } 12294 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12295 } 12296 }); 12297 } 12298 12299 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12300 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12301 installerPkg, null, userIds); 12302 } 12303 12304 private abstract class HandlerParams { 12305 private static final int MAX_RETRIES = 4; 12306 12307 /** 12308 * Number of times startCopy() has been attempted and had a non-fatal 12309 * error. 12310 */ 12311 private int mRetries = 0; 12312 12313 /** User handle for the user requesting the information or installation. */ 12314 private final UserHandle mUser; 12315 String traceMethod; 12316 int traceCookie; 12317 12318 HandlerParams(UserHandle user) { 12319 mUser = user; 12320 } 12321 12322 UserHandle getUser() { 12323 return mUser; 12324 } 12325 12326 HandlerParams setTraceMethod(String traceMethod) { 12327 this.traceMethod = traceMethod; 12328 return this; 12329 } 12330 12331 HandlerParams setTraceCookie(int traceCookie) { 12332 this.traceCookie = traceCookie; 12333 return this; 12334 } 12335 12336 final boolean startCopy() { 12337 boolean res; 12338 try { 12339 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12340 12341 if (++mRetries > MAX_RETRIES) { 12342 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12343 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12344 handleServiceError(); 12345 return false; 12346 } else { 12347 handleStartCopy(); 12348 res = true; 12349 } 12350 } catch (RemoteException e) { 12351 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12352 mHandler.sendEmptyMessage(MCS_RECONNECT); 12353 res = false; 12354 } 12355 handleReturnCode(); 12356 return res; 12357 } 12358 12359 final void serviceError() { 12360 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12361 handleServiceError(); 12362 handleReturnCode(); 12363 } 12364 12365 abstract void handleStartCopy() throws RemoteException; 12366 abstract void handleServiceError(); 12367 abstract void handleReturnCode(); 12368 } 12369 12370 class MeasureParams extends HandlerParams { 12371 private final PackageStats mStats; 12372 private boolean mSuccess; 12373 12374 private final IPackageStatsObserver mObserver; 12375 12376 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12377 super(new UserHandle(stats.userHandle)); 12378 mObserver = observer; 12379 mStats = stats; 12380 } 12381 12382 @Override 12383 public String toString() { 12384 return "MeasureParams{" 12385 + Integer.toHexString(System.identityHashCode(this)) 12386 + " " + mStats.packageName + "}"; 12387 } 12388 12389 @Override 12390 void handleStartCopy() throws RemoteException { 12391 synchronized (mInstallLock) { 12392 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12393 } 12394 12395 if (mSuccess) { 12396 boolean mounted = false; 12397 try { 12398 final String status = Environment.getExternalStorageState(); 12399 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12400 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12401 } catch (Exception e) { 12402 } 12403 12404 if (mounted) { 12405 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12406 12407 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12408 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12409 12410 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12411 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12412 12413 // Always subtract cache size, since it's a subdirectory 12414 mStats.externalDataSize -= mStats.externalCacheSize; 12415 12416 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12417 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12418 12419 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12420 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12421 } 12422 } 12423 } 12424 12425 @Override 12426 void handleReturnCode() { 12427 if (mObserver != null) { 12428 try { 12429 mObserver.onGetStatsCompleted(mStats, mSuccess); 12430 } catch (RemoteException e) { 12431 Slog.i(TAG, "Observer no longer exists."); 12432 } 12433 } 12434 } 12435 12436 @Override 12437 void handleServiceError() { 12438 Slog.e(TAG, "Could not measure application " + mStats.packageName 12439 + " external storage"); 12440 } 12441 } 12442 12443 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12444 throws RemoteException { 12445 long result = 0; 12446 for (File path : paths) { 12447 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12448 } 12449 return result; 12450 } 12451 12452 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12453 for (File path : paths) { 12454 try { 12455 mcs.clearDirectory(path.getAbsolutePath()); 12456 } catch (RemoteException e) { 12457 } 12458 } 12459 } 12460 12461 static class OriginInfo { 12462 /** 12463 * Location where install is coming from, before it has been 12464 * copied/renamed into place. This could be a single monolithic APK 12465 * file, or a cluster directory. This location may be untrusted. 12466 */ 12467 final File file; 12468 final String cid; 12469 12470 /** 12471 * Flag indicating that {@link #file} or {@link #cid} has already been 12472 * staged, meaning downstream users don't need to defensively copy the 12473 * contents. 12474 */ 12475 final boolean staged; 12476 12477 /** 12478 * Flag indicating that {@link #file} or {@link #cid} is an already 12479 * installed app that is being moved. 12480 */ 12481 final boolean existing; 12482 12483 final String resolvedPath; 12484 final File resolvedFile; 12485 12486 static OriginInfo fromNothing() { 12487 return new OriginInfo(null, null, false, false); 12488 } 12489 12490 static OriginInfo fromUntrustedFile(File file) { 12491 return new OriginInfo(file, null, false, false); 12492 } 12493 12494 static OriginInfo fromExistingFile(File file) { 12495 return new OriginInfo(file, null, false, true); 12496 } 12497 12498 static OriginInfo fromStagedFile(File file) { 12499 return new OriginInfo(file, null, true, false); 12500 } 12501 12502 static OriginInfo fromStagedContainer(String cid) { 12503 return new OriginInfo(null, cid, true, false); 12504 } 12505 12506 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12507 this.file = file; 12508 this.cid = cid; 12509 this.staged = staged; 12510 this.existing = existing; 12511 12512 if (cid != null) { 12513 resolvedPath = PackageHelper.getSdDir(cid); 12514 resolvedFile = new File(resolvedPath); 12515 } else if (file != null) { 12516 resolvedPath = file.getAbsolutePath(); 12517 resolvedFile = file; 12518 } else { 12519 resolvedPath = null; 12520 resolvedFile = null; 12521 } 12522 } 12523 } 12524 12525 static class MoveInfo { 12526 final int moveId; 12527 final String fromUuid; 12528 final String toUuid; 12529 final String packageName; 12530 final String dataAppName; 12531 final int appId; 12532 final String seinfo; 12533 final int targetSdkVersion; 12534 12535 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12536 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12537 this.moveId = moveId; 12538 this.fromUuid = fromUuid; 12539 this.toUuid = toUuid; 12540 this.packageName = packageName; 12541 this.dataAppName = dataAppName; 12542 this.appId = appId; 12543 this.seinfo = seinfo; 12544 this.targetSdkVersion = targetSdkVersion; 12545 } 12546 } 12547 12548 static class VerificationInfo { 12549 /** A constant used to indicate that a uid value is not present. */ 12550 public static final int NO_UID = -1; 12551 12552 /** URI referencing where the package was downloaded from. */ 12553 final Uri originatingUri; 12554 12555 /** HTTP referrer URI associated with the originatingURI. */ 12556 final Uri referrer; 12557 12558 /** UID of the application that the install request originated from. */ 12559 final int originatingUid; 12560 12561 /** UID of application requesting the install */ 12562 final int installerUid; 12563 12564 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12565 this.originatingUri = originatingUri; 12566 this.referrer = referrer; 12567 this.originatingUid = originatingUid; 12568 this.installerUid = installerUid; 12569 } 12570 } 12571 12572 class InstallParams extends HandlerParams { 12573 final OriginInfo origin; 12574 final MoveInfo move; 12575 final IPackageInstallObserver2 observer; 12576 int installFlags; 12577 final String installerPackageName; 12578 final String volumeUuid; 12579 private InstallArgs mArgs; 12580 private int mRet; 12581 final String packageAbiOverride; 12582 final String[] grantedRuntimePermissions; 12583 final VerificationInfo verificationInfo; 12584 final Certificate[][] certificates; 12585 12586 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12587 int installFlags, String installerPackageName, String volumeUuid, 12588 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12589 String[] grantedPermissions, Certificate[][] certificates) { 12590 super(user); 12591 this.origin = origin; 12592 this.move = move; 12593 this.observer = observer; 12594 this.installFlags = installFlags; 12595 this.installerPackageName = installerPackageName; 12596 this.volumeUuid = volumeUuid; 12597 this.verificationInfo = verificationInfo; 12598 this.packageAbiOverride = packageAbiOverride; 12599 this.grantedRuntimePermissions = grantedPermissions; 12600 this.certificates = certificates; 12601 } 12602 12603 @Override 12604 public String toString() { 12605 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12606 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12607 } 12608 12609 private int installLocationPolicy(PackageInfoLite pkgLite) { 12610 String packageName = pkgLite.packageName; 12611 int installLocation = pkgLite.installLocation; 12612 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12613 // reader 12614 synchronized (mPackages) { 12615 // Currently installed package which the new package is attempting to replace or 12616 // null if no such package is installed. 12617 PackageParser.Package installedPkg = mPackages.get(packageName); 12618 // Package which currently owns the data which the new package will own if installed. 12619 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12620 // will be null whereas dataOwnerPkg will contain information about the package 12621 // which was uninstalled while keeping its data. 12622 PackageParser.Package dataOwnerPkg = installedPkg; 12623 if (dataOwnerPkg == null) { 12624 PackageSetting ps = mSettings.mPackages.get(packageName); 12625 if (ps != null) { 12626 dataOwnerPkg = ps.pkg; 12627 } 12628 } 12629 12630 if (dataOwnerPkg != null) { 12631 // If installed, the package will get access to data left on the device by its 12632 // predecessor. As a security measure, this is permited only if this is not a 12633 // version downgrade or if the predecessor package is marked as debuggable and 12634 // a downgrade is explicitly requested. 12635 // 12636 // On debuggable platform builds, downgrades are permitted even for 12637 // non-debuggable packages to make testing easier. Debuggable platform builds do 12638 // not offer security guarantees and thus it's OK to disable some security 12639 // mechanisms to make debugging/testing easier on those builds. However, even on 12640 // debuggable builds downgrades of packages are permitted only if requested via 12641 // installFlags. This is because we aim to keep the behavior of debuggable 12642 // platform builds as close as possible to the behavior of non-debuggable 12643 // platform builds. 12644 final boolean downgradeRequested = 12645 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12646 final boolean packageDebuggable = 12647 (dataOwnerPkg.applicationInfo.flags 12648 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12649 final boolean downgradePermitted = 12650 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12651 if (!downgradePermitted) { 12652 try { 12653 checkDowngrade(dataOwnerPkg, pkgLite); 12654 } catch (PackageManagerException e) { 12655 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12656 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12657 } 12658 } 12659 } 12660 12661 if (installedPkg != null) { 12662 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12663 // Check for updated system application. 12664 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12665 if (onSd) { 12666 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12667 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12668 } 12669 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12670 } else { 12671 if (onSd) { 12672 // Install flag overrides everything. 12673 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12674 } 12675 // If current upgrade specifies particular preference 12676 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12677 // Application explicitly specified internal. 12678 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12679 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12680 // App explictly prefers external. Let policy decide 12681 } else { 12682 // Prefer previous location 12683 if (isExternal(installedPkg)) { 12684 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12685 } 12686 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12687 } 12688 } 12689 } else { 12690 // Invalid install. Return error code 12691 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12692 } 12693 } 12694 } 12695 // All the special cases have been taken care of. 12696 // Return result based on recommended install location. 12697 if (onSd) { 12698 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12699 } 12700 return pkgLite.recommendedInstallLocation; 12701 } 12702 12703 /* 12704 * Invoke remote method to get package information and install 12705 * location values. Override install location based on default 12706 * policy if needed and then create install arguments based 12707 * on the install location. 12708 */ 12709 public void handleStartCopy() throws RemoteException { 12710 int ret = PackageManager.INSTALL_SUCCEEDED; 12711 12712 // If we're already staged, we've firmly committed to an install location 12713 if (origin.staged) { 12714 if (origin.file != null) { 12715 installFlags |= PackageManager.INSTALL_INTERNAL; 12716 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12717 } else if (origin.cid != null) { 12718 installFlags |= PackageManager.INSTALL_EXTERNAL; 12719 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12720 } else { 12721 throw new IllegalStateException("Invalid stage location"); 12722 } 12723 } 12724 12725 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12726 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12727 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12728 PackageInfoLite pkgLite = null; 12729 12730 if (onInt && onSd) { 12731 // Check if both bits are set. 12732 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12733 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12734 } else if (onSd && ephemeral) { 12735 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12736 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12737 } else { 12738 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12739 packageAbiOverride); 12740 12741 if (DEBUG_EPHEMERAL && ephemeral) { 12742 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12743 } 12744 12745 /* 12746 * If we have too little free space, try to free cache 12747 * before giving up. 12748 */ 12749 if (!origin.staged && pkgLite.recommendedInstallLocation 12750 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12751 // TODO: focus freeing disk space on the target device 12752 final StorageManager storage = StorageManager.from(mContext); 12753 final long lowThreshold = storage.getStorageLowBytes( 12754 Environment.getDataDirectory()); 12755 12756 final long sizeBytes = mContainerService.calculateInstalledSize( 12757 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12758 12759 try { 12760 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12761 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12762 installFlags, packageAbiOverride); 12763 } catch (InstallerException e) { 12764 Slog.w(TAG, "Failed to free cache", e); 12765 } 12766 12767 /* 12768 * The cache free must have deleted the file we 12769 * downloaded to install. 12770 * 12771 * TODO: fix the "freeCache" call to not delete 12772 * the file we care about. 12773 */ 12774 if (pkgLite.recommendedInstallLocation 12775 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12776 pkgLite.recommendedInstallLocation 12777 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12778 } 12779 } 12780 } 12781 12782 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12783 int loc = pkgLite.recommendedInstallLocation; 12784 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12785 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12786 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12787 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12788 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12789 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12790 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12791 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12792 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12793 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12794 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12795 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12796 } else { 12797 // Override with defaults if needed. 12798 loc = installLocationPolicy(pkgLite); 12799 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12800 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12801 } else if (!onSd && !onInt) { 12802 // Override install location with flags 12803 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12804 // Set the flag to install on external media. 12805 installFlags |= PackageManager.INSTALL_EXTERNAL; 12806 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12807 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12808 if (DEBUG_EPHEMERAL) { 12809 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12810 } 12811 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12812 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12813 |PackageManager.INSTALL_INTERNAL); 12814 } else { 12815 // Make sure the flag for installing on external 12816 // media is unset 12817 installFlags |= PackageManager.INSTALL_INTERNAL; 12818 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12819 } 12820 } 12821 } 12822 } 12823 12824 final InstallArgs args = createInstallArgs(this); 12825 mArgs = args; 12826 12827 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12828 // TODO: http://b/22976637 12829 // Apps installed for "all" users use the device owner to verify the app 12830 UserHandle verifierUser = getUser(); 12831 if (verifierUser == UserHandle.ALL) { 12832 verifierUser = UserHandle.SYSTEM; 12833 } 12834 12835 /* 12836 * Determine if we have any installed package verifiers. If we 12837 * do, then we'll defer to them to verify the packages. 12838 */ 12839 final int requiredUid = mRequiredVerifierPackage == null ? -1 12840 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12841 verifierUser.getIdentifier()); 12842 if (!origin.existing && requiredUid != -1 12843 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12844 final Intent verification = new Intent( 12845 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12846 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12847 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12848 PACKAGE_MIME_TYPE); 12849 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12850 12851 // Query all live verifiers based on current user state 12852 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12853 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12854 12855 if (DEBUG_VERIFY) { 12856 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12857 + verification.toString() + " with " + pkgLite.verifiers.length 12858 + " optional verifiers"); 12859 } 12860 12861 final int verificationId = mPendingVerificationToken++; 12862 12863 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12864 12865 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12866 installerPackageName); 12867 12868 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12869 installFlags); 12870 12871 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12872 pkgLite.packageName); 12873 12874 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12875 pkgLite.versionCode); 12876 12877 if (verificationInfo != null) { 12878 if (verificationInfo.originatingUri != null) { 12879 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12880 verificationInfo.originatingUri); 12881 } 12882 if (verificationInfo.referrer != null) { 12883 verification.putExtra(Intent.EXTRA_REFERRER, 12884 verificationInfo.referrer); 12885 } 12886 if (verificationInfo.originatingUid >= 0) { 12887 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12888 verificationInfo.originatingUid); 12889 } 12890 if (verificationInfo.installerUid >= 0) { 12891 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12892 verificationInfo.installerUid); 12893 } 12894 } 12895 12896 final PackageVerificationState verificationState = new PackageVerificationState( 12897 requiredUid, args); 12898 12899 mPendingVerification.append(verificationId, verificationState); 12900 12901 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12902 receivers, verificationState); 12903 12904 /* 12905 * If any sufficient verifiers were listed in the package 12906 * manifest, attempt to ask them. 12907 */ 12908 if (sufficientVerifiers != null) { 12909 final int N = sufficientVerifiers.size(); 12910 if (N == 0) { 12911 Slog.i(TAG, "Additional verifiers required, but none installed."); 12912 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12913 } else { 12914 for (int i = 0; i < N; i++) { 12915 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12916 12917 final Intent sufficientIntent = new Intent(verification); 12918 sufficientIntent.setComponent(verifierComponent); 12919 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12920 } 12921 } 12922 } 12923 12924 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12925 mRequiredVerifierPackage, receivers); 12926 if (ret == PackageManager.INSTALL_SUCCEEDED 12927 && mRequiredVerifierPackage != null) { 12928 Trace.asyncTraceBegin( 12929 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12930 /* 12931 * Send the intent to the required verification agent, 12932 * but only start the verification timeout after the 12933 * target BroadcastReceivers have run. 12934 */ 12935 verification.setComponent(requiredVerifierComponent); 12936 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12937 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12938 new BroadcastReceiver() { 12939 @Override 12940 public void onReceive(Context context, Intent intent) { 12941 final Message msg = mHandler 12942 .obtainMessage(CHECK_PENDING_VERIFICATION); 12943 msg.arg1 = verificationId; 12944 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12945 } 12946 }, null, 0, null, null); 12947 12948 /* 12949 * We don't want the copy to proceed until verification 12950 * succeeds, so null out this field. 12951 */ 12952 mArgs = null; 12953 } 12954 } else { 12955 /* 12956 * No package verification is enabled, so immediately start 12957 * the remote call to initiate copy using temporary file. 12958 */ 12959 ret = args.copyApk(mContainerService, true); 12960 } 12961 } 12962 12963 mRet = ret; 12964 } 12965 12966 @Override 12967 void handleReturnCode() { 12968 // If mArgs is null, then MCS couldn't be reached. When it 12969 // reconnects, it will try again to install. At that point, this 12970 // will succeed. 12971 if (mArgs != null) { 12972 processPendingInstall(mArgs, mRet); 12973 } 12974 } 12975 12976 @Override 12977 void handleServiceError() { 12978 mArgs = createInstallArgs(this); 12979 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12980 } 12981 12982 public boolean isForwardLocked() { 12983 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12984 } 12985 } 12986 12987 /** 12988 * Used during creation of InstallArgs 12989 * 12990 * @param installFlags package installation flags 12991 * @return true if should be installed on external storage 12992 */ 12993 private static boolean installOnExternalAsec(int installFlags) { 12994 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12995 return false; 12996 } 12997 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12998 return true; 12999 } 13000 return false; 13001 } 13002 13003 /** 13004 * Used during creation of InstallArgs 13005 * 13006 * @param installFlags package installation flags 13007 * @return true if should be installed as forward locked 13008 */ 13009 private static boolean installForwardLocked(int installFlags) { 13010 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13011 } 13012 13013 private InstallArgs createInstallArgs(InstallParams params) { 13014 if (params.move != null) { 13015 return new MoveInstallArgs(params); 13016 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13017 return new AsecInstallArgs(params); 13018 } else { 13019 return new FileInstallArgs(params); 13020 } 13021 } 13022 13023 /** 13024 * Create args that describe an existing installed package. Typically used 13025 * when cleaning up old installs, or used as a move source. 13026 */ 13027 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13028 String resourcePath, String[] instructionSets) { 13029 final boolean isInAsec; 13030 if (installOnExternalAsec(installFlags)) { 13031 /* Apps on SD card are always in ASEC containers. */ 13032 isInAsec = true; 13033 } else if (installForwardLocked(installFlags) 13034 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13035 /* 13036 * Forward-locked apps are only in ASEC containers if they're the 13037 * new style 13038 */ 13039 isInAsec = true; 13040 } else { 13041 isInAsec = false; 13042 } 13043 13044 if (isInAsec) { 13045 return new AsecInstallArgs(codePath, instructionSets, 13046 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13047 } else { 13048 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13049 } 13050 } 13051 13052 static abstract class InstallArgs { 13053 /** @see InstallParams#origin */ 13054 final OriginInfo origin; 13055 /** @see InstallParams#move */ 13056 final MoveInfo move; 13057 13058 final IPackageInstallObserver2 observer; 13059 // Always refers to PackageManager flags only 13060 final int installFlags; 13061 final String installerPackageName; 13062 final String volumeUuid; 13063 final UserHandle user; 13064 final String abiOverride; 13065 final String[] installGrantPermissions; 13066 /** If non-null, drop an async trace when the install completes */ 13067 final String traceMethod; 13068 final int traceCookie; 13069 final Certificate[][] certificates; 13070 13071 // The list of instruction sets supported by this app. This is currently 13072 // only used during the rmdex() phase to clean up resources. We can get rid of this 13073 // if we move dex files under the common app path. 13074 /* nullable */ String[] instructionSets; 13075 13076 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13077 int installFlags, String installerPackageName, String volumeUuid, 13078 UserHandle user, String[] instructionSets, 13079 String abiOverride, String[] installGrantPermissions, 13080 String traceMethod, int traceCookie, Certificate[][] certificates) { 13081 this.origin = origin; 13082 this.move = move; 13083 this.installFlags = installFlags; 13084 this.observer = observer; 13085 this.installerPackageName = installerPackageName; 13086 this.volumeUuid = volumeUuid; 13087 this.user = user; 13088 this.instructionSets = instructionSets; 13089 this.abiOverride = abiOverride; 13090 this.installGrantPermissions = installGrantPermissions; 13091 this.traceMethod = traceMethod; 13092 this.traceCookie = traceCookie; 13093 this.certificates = certificates; 13094 } 13095 13096 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13097 abstract int doPreInstall(int status); 13098 13099 /** 13100 * Rename package into final resting place. All paths on the given 13101 * scanned package should be updated to reflect the rename. 13102 */ 13103 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13104 abstract int doPostInstall(int status, int uid); 13105 13106 /** @see PackageSettingBase#codePathString */ 13107 abstract String getCodePath(); 13108 /** @see PackageSettingBase#resourcePathString */ 13109 abstract String getResourcePath(); 13110 13111 // Need installer lock especially for dex file removal. 13112 abstract void cleanUpResourcesLI(); 13113 abstract boolean doPostDeleteLI(boolean delete); 13114 13115 /** 13116 * Called before the source arguments are copied. This is used mostly 13117 * for MoveParams when it needs to read the source file to put it in the 13118 * destination. 13119 */ 13120 int doPreCopy() { 13121 return PackageManager.INSTALL_SUCCEEDED; 13122 } 13123 13124 /** 13125 * Called after the source arguments are copied. This is used mostly for 13126 * MoveParams when it needs to read the source file to put it in the 13127 * destination. 13128 */ 13129 int doPostCopy(int uid) { 13130 return PackageManager.INSTALL_SUCCEEDED; 13131 } 13132 13133 protected boolean isFwdLocked() { 13134 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13135 } 13136 13137 protected boolean isExternalAsec() { 13138 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13139 } 13140 13141 protected boolean isEphemeral() { 13142 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13143 } 13144 13145 UserHandle getUser() { 13146 return user; 13147 } 13148 } 13149 13150 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13151 if (!allCodePaths.isEmpty()) { 13152 if (instructionSets == null) { 13153 throw new IllegalStateException("instructionSet == null"); 13154 } 13155 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13156 for (String codePath : allCodePaths) { 13157 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13158 try { 13159 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13160 } catch (InstallerException ignored) { 13161 } 13162 } 13163 } 13164 } 13165 } 13166 13167 /** 13168 * Logic to handle installation of non-ASEC applications, including copying 13169 * and renaming logic. 13170 */ 13171 class FileInstallArgs extends InstallArgs { 13172 private File codeFile; 13173 private File resourceFile; 13174 13175 // Example topology: 13176 // /data/app/com.example/base.apk 13177 // /data/app/com.example/split_foo.apk 13178 // /data/app/com.example/lib/arm/libfoo.so 13179 // /data/app/com.example/lib/arm64/libfoo.so 13180 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13181 13182 /** New install */ 13183 FileInstallArgs(InstallParams params) { 13184 super(params.origin, params.move, params.observer, params.installFlags, 13185 params.installerPackageName, params.volumeUuid, 13186 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13187 params.grantedRuntimePermissions, 13188 params.traceMethod, params.traceCookie, params.certificates); 13189 if (isFwdLocked()) { 13190 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13191 } 13192 } 13193 13194 /** Existing install */ 13195 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13196 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13197 null, null, null, 0, null /*certificates*/); 13198 this.codeFile = (codePath != null) ? new File(codePath) : null; 13199 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13200 } 13201 13202 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13203 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13204 try { 13205 return doCopyApk(imcs, temp); 13206 } finally { 13207 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13208 } 13209 } 13210 13211 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13212 if (origin.staged) { 13213 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13214 codeFile = origin.file; 13215 resourceFile = origin.file; 13216 return PackageManager.INSTALL_SUCCEEDED; 13217 } 13218 13219 try { 13220 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13221 final File tempDir = 13222 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13223 codeFile = tempDir; 13224 resourceFile = tempDir; 13225 } catch (IOException e) { 13226 Slog.w(TAG, "Failed to create copy file: " + e); 13227 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13228 } 13229 13230 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13231 @Override 13232 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13233 if (!FileUtils.isValidExtFilename(name)) { 13234 throw new IllegalArgumentException("Invalid filename: " + name); 13235 } 13236 try { 13237 final File file = new File(codeFile, name); 13238 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13239 O_RDWR | O_CREAT, 0644); 13240 Os.chmod(file.getAbsolutePath(), 0644); 13241 return new ParcelFileDescriptor(fd); 13242 } catch (ErrnoException e) { 13243 throw new RemoteException("Failed to open: " + e.getMessage()); 13244 } 13245 } 13246 }; 13247 13248 int ret = PackageManager.INSTALL_SUCCEEDED; 13249 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13250 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13251 Slog.e(TAG, "Failed to copy package"); 13252 return ret; 13253 } 13254 13255 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13256 NativeLibraryHelper.Handle handle = null; 13257 try { 13258 handle = NativeLibraryHelper.Handle.create(codeFile); 13259 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13260 abiOverride); 13261 } catch (IOException e) { 13262 Slog.e(TAG, "Copying native libraries failed", e); 13263 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13264 } finally { 13265 IoUtils.closeQuietly(handle); 13266 } 13267 13268 return ret; 13269 } 13270 13271 int doPreInstall(int status) { 13272 if (status != PackageManager.INSTALL_SUCCEEDED) { 13273 cleanUp(); 13274 } 13275 return status; 13276 } 13277 13278 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13279 if (status != PackageManager.INSTALL_SUCCEEDED) { 13280 cleanUp(); 13281 return false; 13282 } 13283 13284 final File targetDir = codeFile.getParentFile(); 13285 final File beforeCodeFile = codeFile; 13286 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13287 13288 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13289 try { 13290 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13291 } catch (ErrnoException e) { 13292 Slog.w(TAG, "Failed to rename", e); 13293 return false; 13294 } 13295 13296 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13297 Slog.w(TAG, "Failed to restorecon"); 13298 return false; 13299 } 13300 13301 // Reflect the rename internally 13302 codeFile = afterCodeFile; 13303 resourceFile = afterCodeFile; 13304 13305 // Reflect the rename in scanned details 13306 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13307 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13308 afterCodeFile, pkg.baseCodePath)); 13309 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13310 afterCodeFile, pkg.splitCodePaths)); 13311 13312 // Reflect the rename in app info 13313 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13314 pkg.setApplicationInfoCodePath(pkg.codePath); 13315 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13316 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13317 pkg.setApplicationInfoResourcePath(pkg.codePath); 13318 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13319 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13320 13321 return true; 13322 } 13323 13324 int doPostInstall(int status, int uid) { 13325 if (status != PackageManager.INSTALL_SUCCEEDED) { 13326 cleanUp(); 13327 } 13328 return status; 13329 } 13330 13331 @Override 13332 String getCodePath() { 13333 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13334 } 13335 13336 @Override 13337 String getResourcePath() { 13338 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13339 } 13340 13341 private boolean cleanUp() { 13342 if (codeFile == null || !codeFile.exists()) { 13343 return false; 13344 } 13345 13346 removeCodePathLI(codeFile); 13347 13348 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13349 resourceFile.delete(); 13350 } 13351 13352 return true; 13353 } 13354 13355 void cleanUpResourcesLI() { 13356 // Try enumerating all code paths before deleting 13357 List<String> allCodePaths = Collections.EMPTY_LIST; 13358 if (codeFile != null && codeFile.exists()) { 13359 try { 13360 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13361 allCodePaths = pkg.getAllCodePaths(); 13362 } catch (PackageParserException e) { 13363 // Ignored; we tried our best 13364 } 13365 } 13366 13367 cleanUp(); 13368 removeDexFiles(allCodePaths, instructionSets); 13369 } 13370 13371 boolean doPostDeleteLI(boolean delete) { 13372 // XXX err, shouldn't we respect the delete flag? 13373 cleanUpResourcesLI(); 13374 return true; 13375 } 13376 } 13377 13378 private boolean isAsecExternal(String cid) { 13379 final String asecPath = PackageHelper.getSdFilesystem(cid); 13380 return !asecPath.startsWith(mAsecInternalPath); 13381 } 13382 13383 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13384 PackageManagerException { 13385 if (copyRet < 0) { 13386 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13387 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13388 throw new PackageManagerException(copyRet, message); 13389 } 13390 } 13391 } 13392 13393 /** 13394 * Extract the MountService "container ID" from the full code path of an 13395 * .apk. 13396 */ 13397 static String cidFromCodePath(String fullCodePath) { 13398 int eidx = fullCodePath.lastIndexOf("/"); 13399 String subStr1 = fullCodePath.substring(0, eidx); 13400 int sidx = subStr1.lastIndexOf("/"); 13401 return subStr1.substring(sidx+1, eidx); 13402 } 13403 13404 /** 13405 * Logic to handle installation of ASEC applications, including copying and 13406 * renaming logic. 13407 */ 13408 class AsecInstallArgs extends InstallArgs { 13409 static final String RES_FILE_NAME = "pkg.apk"; 13410 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13411 13412 String cid; 13413 String packagePath; 13414 String resourcePath; 13415 13416 /** New install */ 13417 AsecInstallArgs(InstallParams params) { 13418 super(params.origin, params.move, params.observer, params.installFlags, 13419 params.installerPackageName, params.volumeUuid, 13420 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13421 params.grantedRuntimePermissions, 13422 params.traceMethod, params.traceCookie, params.certificates); 13423 } 13424 13425 /** Existing install */ 13426 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13427 boolean isExternal, boolean isForwardLocked) { 13428 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13429 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13430 instructionSets, null, null, null, 0, null /*certificates*/); 13431 // Hackily pretend we're still looking at a full code path 13432 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13433 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13434 } 13435 13436 // Extract cid from fullCodePath 13437 int eidx = fullCodePath.lastIndexOf("/"); 13438 String subStr1 = fullCodePath.substring(0, eidx); 13439 int sidx = subStr1.lastIndexOf("/"); 13440 cid = subStr1.substring(sidx+1, eidx); 13441 setMountPath(subStr1); 13442 } 13443 13444 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13445 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13446 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13447 instructionSets, null, null, null, 0, null /*certificates*/); 13448 this.cid = cid; 13449 setMountPath(PackageHelper.getSdDir(cid)); 13450 } 13451 13452 void createCopyFile() { 13453 cid = mInstallerService.allocateExternalStageCidLegacy(); 13454 } 13455 13456 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13457 if (origin.staged && origin.cid != null) { 13458 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13459 cid = origin.cid; 13460 setMountPath(PackageHelper.getSdDir(cid)); 13461 return PackageManager.INSTALL_SUCCEEDED; 13462 } 13463 13464 if (temp) { 13465 createCopyFile(); 13466 } else { 13467 /* 13468 * Pre-emptively destroy the container since it's destroyed if 13469 * copying fails due to it existing anyway. 13470 */ 13471 PackageHelper.destroySdDir(cid); 13472 } 13473 13474 final String newMountPath = imcs.copyPackageToContainer( 13475 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13476 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13477 13478 if (newMountPath != null) { 13479 setMountPath(newMountPath); 13480 return PackageManager.INSTALL_SUCCEEDED; 13481 } else { 13482 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13483 } 13484 } 13485 13486 @Override 13487 String getCodePath() { 13488 return packagePath; 13489 } 13490 13491 @Override 13492 String getResourcePath() { 13493 return resourcePath; 13494 } 13495 13496 int doPreInstall(int status) { 13497 if (status != PackageManager.INSTALL_SUCCEEDED) { 13498 // Destroy container 13499 PackageHelper.destroySdDir(cid); 13500 } else { 13501 boolean mounted = PackageHelper.isContainerMounted(cid); 13502 if (!mounted) { 13503 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13504 Process.SYSTEM_UID); 13505 if (newMountPath != null) { 13506 setMountPath(newMountPath); 13507 } else { 13508 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13509 } 13510 } 13511 } 13512 return status; 13513 } 13514 13515 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13516 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13517 String newMountPath = null; 13518 if (PackageHelper.isContainerMounted(cid)) { 13519 // Unmount the container 13520 if (!PackageHelper.unMountSdDir(cid)) { 13521 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13522 return false; 13523 } 13524 } 13525 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13526 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13527 " which might be stale. Will try to clean up."); 13528 // Clean up the stale container and proceed to recreate. 13529 if (!PackageHelper.destroySdDir(newCacheId)) { 13530 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13531 return false; 13532 } 13533 // Successfully cleaned up stale container. Try to rename again. 13534 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13535 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13536 + " inspite of cleaning it up."); 13537 return false; 13538 } 13539 } 13540 if (!PackageHelper.isContainerMounted(newCacheId)) { 13541 Slog.w(TAG, "Mounting container " + newCacheId); 13542 newMountPath = PackageHelper.mountSdDir(newCacheId, 13543 getEncryptKey(), Process.SYSTEM_UID); 13544 } else { 13545 newMountPath = PackageHelper.getSdDir(newCacheId); 13546 } 13547 if (newMountPath == null) { 13548 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13549 return false; 13550 } 13551 Log.i(TAG, "Succesfully renamed " + cid + 13552 " to " + newCacheId + 13553 " at new path: " + newMountPath); 13554 cid = newCacheId; 13555 13556 final File beforeCodeFile = new File(packagePath); 13557 setMountPath(newMountPath); 13558 final File afterCodeFile = new File(packagePath); 13559 13560 // Reflect the rename in scanned details 13561 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13562 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13563 afterCodeFile, pkg.baseCodePath)); 13564 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13565 afterCodeFile, pkg.splitCodePaths)); 13566 13567 // Reflect the rename in app info 13568 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13569 pkg.setApplicationInfoCodePath(pkg.codePath); 13570 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13571 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13572 pkg.setApplicationInfoResourcePath(pkg.codePath); 13573 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13574 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13575 13576 return true; 13577 } 13578 13579 private void setMountPath(String mountPath) { 13580 final File mountFile = new File(mountPath); 13581 13582 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13583 if (monolithicFile.exists()) { 13584 packagePath = monolithicFile.getAbsolutePath(); 13585 if (isFwdLocked()) { 13586 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13587 } else { 13588 resourcePath = packagePath; 13589 } 13590 } else { 13591 packagePath = mountFile.getAbsolutePath(); 13592 resourcePath = packagePath; 13593 } 13594 } 13595 13596 int doPostInstall(int status, int uid) { 13597 if (status != PackageManager.INSTALL_SUCCEEDED) { 13598 cleanUp(); 13599 } else { 13600 final int groupOwner; 13601 final String protectedFile; 13602 if (isFwdLocked()) { 13603 groupOwner = UserHandle.getSharedAppGid(uid); 13604 protectedFile = RES_FILE_NAME; 13605 } else { 13606 groupOwner = -1; 13607 protectedFile = null; 13608 } 13609 13610 if (uid < Process.FIRST_APPLICATION_UID 13611 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13612 Slog.e(TAG, "Failed to finalize " + cid); 13613 PackageHelper.destroySdDir(cid); 13614 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13615 } 13616 13617 boolean mounted = PackageHelper.isContainerMounted(cid); 13618 if (!mounted) { 13619 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13620 } 13621 } 13622 return status; 13623 } 13624 13625 private void cleanUp() { 13626 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13627 13628 // Destroy secure container 13629 PackageHelper.destroySdDir(cid); 13630 } 13631 13632 private List<String> getAllCodePaths() { 13633 final File codeFile = new File(getCodePath()); 13634 if (codeFile != null && codeFile.exists()) { 13635 try { 13636 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13637 return pkg.getAllCodePaths(); 13638 } catch (PackageParserException e) { 13639 // Ignored; we tried our best 13640 } 13641 } 13642 return Collections.EMPTY_LIST; 13643 } 13644 13645 void cleanUpResourcesLI() { 13646 // Enumerate all code paths before deleting 13647 cleanUpResourcesLI(getAllCodePaths()); 13648 } 13649 13650 private void cleanUpResourcesLI(List<String> allCodePaths) { 13651 cleanUp(); 13652 removeDexFiles(allCodePaths, instructionSets); 13653 } 13654 13655 String getPackageName() { 13656 return getAsecPackageName(cid); 13657 } 13658 13659 boolean doPostDeleteLI(boolean delete) { 13660 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13661 final List<String> allCodePaths = getAllCodePaths(); 13662 boolean mounted = PackageHelper.isContainerMounted(cid); 13663 if (mounted) { 13664 // Unmount first 13665 if (PackageHelper.unMountSdDir(cid)) { 13666 mounted = false; 13667 } 13668 } 13669 if (!mounted && delete) { 13670 cleanUpResourcesLI(allCodePaths); 13671 } 13672 return !mounted; 13673 } 13674 13675 @Override 13676 int doPreCopy() { 13677 if (isFwdLocked()) { 13678 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13679 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13680 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13681 } 13682 } 13683 13684 return PackageManager.INSTALL_SUCCEEDED; 13685 } 13686 13687 @Override 13688 int doPostCopy(int uid) { 13689 if (isFwdLocked()) { 13690 if (uid < Process.FIRST_APPLICATION_UID 13691 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13692 RES_FILE_NAME)) { 13693 Slog.e(TAG, "Failed to finalize " + cid); 13694 PackageHelper.destroySdDir(cid); 13695 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13696 } 13697 } 13698 13699 return PackageManager.INSTALL_SUCCEEDED; 13700 } 13701 } 13702 13703 /** 13704 * Logic to handle movement of existing installed applications. 13705 */ 13706 class MoveInstallArgs extends InstallArgs { 13707 private File codeFile; 13708 private File resourceFile; 13709 13710 /** New install */ 13711 MoveInstallArgs(InstallParams params) { 13712 super(params.origin, params.move, params.observer, params.installFlags, 13713 params.installerPackageName, params.volumeUuid, 13714 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13715 params.grantedRuntimePermissions, 13716 params.traceMethod, params.traceCookie, params.certificates); 13717 } 13718 13719 int copyApk(IMediaContainerService imcs, boolean temp) { 13720 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13721 + move.fromUuid + " to " + move.toUuid); 13722 synchronized (mInstaller) { 13723 try { 13724 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13725 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13726 } catch (InstallerException e) { 13727 Slog.w(TAG, "Failed to move app", e); 13728 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13729 } 13730 } 13731 13732 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13733 resourceFile = codeFile; 13734 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13735 13736 return PackageManager.INSTALL_SUCCEEDED; 13737 } 13738 13739 int doPreInstall(int status) { 13740 if (status != PackageManager.INSTALL_SUCCEEDED) { 13741 cleanUp(move.toUuid); 13742 } 13743 return status; 13744 } 13745 13746 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13747 if (status != PackageManager.INSTALL_SUCCEEDED) { 13748 cleanUp(move.toUuid); 13749 return false; 13750 } 13751 13752 // Reflect the move in app info 13753 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13754 pkg.setApplicationInfoCodePath(pkg.codePath); 13755 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13756 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13757 pkg.setApplicationInfoResourcePath(pkg.codePath); 13758 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13759 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13760 13761 return true; 13762 } 13763 13764 int doPostInstall(int status, int uid) { 13765 if (status == PackageManager.INSTALL_SUCCEEDED) { 13766 cleanUp(move.fromUuid); 13767 } else { 13768 cleanUp(move.toUuid); 13769 } 13770 return status; 13771 } 13772 13773 @Override 13774 String getCodePath() { 13775 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13776 } 13777 13778 @Override 13779 String getResourcePath() { 13780 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13781 } 13782 13783 private boolean cleanUp(String volumeUuid) { 13784 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13785 move.dataAppName); 13786 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13787 final int[] userIds = sUserManager.getUserIds(); 13788 synchronized (mInstallLock) { 13789 // Clean up both app data and code 13790 // All package moves are frozen until finished 13791 for (int userId : userIds) { 13792 try { 13793 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13794 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13795 } catch (InstallerException e) { 13796 Slog.w(TAG, String.valueOf(e)); 13797 } 13798 } 13799 removeCodePathLI(codeFile); 13800 } 13801 return true; 13802 } 13803 13804 void cleanUpResourcesLI() { 13805 throw new UnsupportedOperationException(); 13806 } 13807 13808 boolean doPostDeleteLI(boolean delete) { 13809 throw new UnsupportedOperationException(); 13810 } 13811 } 13812 13813 static String getAsecPackageName(String packageCid) { 13814 int idx = packageCid.lastIndexOf("-"); 13815 if (idx == -1) { 13816 return packageCid; 13817 } 13818 return packageCid.substring(0, idx); 13819 } 13820 13821 // Utility method used to create code paths based on package name and available index. 13822 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13823 String idxStr = ""; 13824 int idx = 1; 13825 // Fall back to default value of idx=1 if prefix is not 13826 // part of oldCodePath 13827 if (oldCodePath != null) { 13828 String subStr = oldCodePath; 13829 // Drop the suffix right away 13830 if (suffix != null && subStr.endsWith(suffix)) { 13831 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13832 } 13833 // If oldCodePath already contains prefix find out the 13834 // ending index to either increment or decrement. 13835 int sidx = subStr.lastIndexOf(prefix); 13836 if (sidx != -1) { 13837 subStr = subStr.substring(sidx + prefix.length()); 13838 if (subStr != null) { 13839 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13840 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13841 } 13842 try { 13843 idx = Integer.parseInt(subStr); 13844 if (idx <= 1) { 13845 idx++; 13846 } else { 13847 idx--; 13848 } 13849 } catch(NumberFormatException e) { 13850 } 13851 } 13852 } 13853 } 13854 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13855 return prefix + idxStr; 13856 } 13857 13858 private File getNextCodePath(File targetDir, String packageName) { 13859 int suffix = 1; 13860 File result; 13861 do { 13862 result = new File(targetDir, packageName + "-" + suffix); 13863 suffix++; 13864 } while (result.exists()); 13865 return result; 13866 } 13867 13868 // Utility method that returns the relative package path with respect 13869 // to the installation directory. Like say for /data/data/com.test-1.apk 13870 // string com.test-1 is returned. 13871 static String deriveCodePathName(String codePath) { 13872 if (codePath == null) { 13873 return null; 13874 } 13875 final File codeFile = new File(codePath); 13876 final String name = codeFile.getName(); 13877 if (codeFile.isDirectory()) { 13878 return name; 13879 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13880 final int lastDot = name.lastIndexOf('.'); 13881 return name.substring(0, lastDot); 13882 } else { 13883 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13884 return null; 13885 } 13886 } 13887 13888 static class PackageInstalledInfo { 13889 String name; 13890 int uid; 13891 // The set of users that originally had this package installed. 13892 int[] origUsers; 13893 // The set of users that now have this package installed. 13894 int[] newUsers; 13895 PackageParser.Package pkg; 13896 int returnCode; 13897 String returnMsg; 13898 PackageRemovedInfo removedInfo; 13899 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13900 13901 public void setError(int code, String msg) { 13902 setReturnCode(code); 13903 setReturnMessage(msg); 13904 Slog.w(TAG, msg); 13905 } 13906 13907 public void setError(String msg, PackageParserException e) { 13908 setReturnCode(e.error); 13909 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13910 Slog.w(TAG, msg, e); 13911 } 13912 13913 public void setError(String msg, PackageManagerException e) { 13914 returnCode = e.error; 13915 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13916 Slog.w(TAG, msg, e); 13917 } 13918 13919 public void setReturnCode(int returnCode) { 13920 this.returnCode = returnCode; 13921 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13922 for (int i = 0; i < childCount; i++) { 13923 addedChildPackages.valueAt(i).returnCode = returnCode; 13924 } 13925 } 13926 13927 private void setReturnMessage(String returnMsg) { 13928 this.returnMsg = returnMsg; 13929 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13930 for (int i = 0; i < childCount; i++) { 13931 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13932 } 13933 } 13934 13935 // In some error cases we want to convey more info back to the observer 13936 String origPackage; 13937 String origPermission; 13938 } 13939 13940 /* 13941 * Install a non-existing package. 13942 */ 13943 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13944 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13945 PackageInstalledInfo res) { 13946 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13947 13948 // Remember this for later, in case we need to rollback this install 13949 String pkgName = pkg.packageName; 13950 13951 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13952 13953 synchronized(mPackages) { 13954 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13955 // A package with the same name is already installed, though 13956 // it has been renamed to an older name. The package we 13957 // are trying to install should be installed as an update to 13958 // the existing one, but that has not been requested, so bail. 13959 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13960 + " without first uninstalling package running as " 13961 + mSettings.mRenamedPackages.get(pkgName)); 13962 return; 13963 } 13964 if (mPackages.containsKey(pkgName)) { 13965 // Don't allow installation over an existing package with the same name. 13966 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13967 + " without first uninstalling."); 13968 return; 13969 } 13970 } 13971 13972 try { 13973 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13974 System.currentTimeMillis(), user); 13975 13976 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13977 13978 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13979 prepareAppDataAfterInstallLIF(newPackage); 13980 13981 } else { 13982 // Remove package from internal structures, but keep around any 13983 // data that might have already existed 13984 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13985 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13986 } 13987 } catch (PackageManagerException e) { 13988 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13989 } 13990 13991 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13992 } 13993 13994 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13995 // Can't rotate keys during boot or if sharedUser. 13996 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13997 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13998 return false; 13999 } 14000 // app is using upgradeKeySets; make sure all are valid 14001 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14002 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14003 for (int i = 0; i < upgradeKeySets.length; i++) { 14004 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14005 Slog.wtf(TAG, "Package " 14006 + (oldPs.name != null ? oldPs.name : "<null>") 14007 + " contains upgrade-key-set reference to unknown key-set: " 14008 + upgradeKeySets[i] 14009 + " reverting to signatures check."); 14010 return false; 14011 } 14012 } 14013 return true; 14014 } 14015 14016 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14017 // Upgrade keysets are being used. Determine if new package has a superset of the 14018 // required keys. 14019 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14020 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14021 for (int i = 0; i < upgradeKeySets.length; i++) { 14022 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14023 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14024 return true; 14025 } 14026 } 14027 return false; 14028 } 14029 14030 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14031 try (DigestInputStream digestStream = 14032 new DigestInputStream(new FileInputStream(file), digest)) { 14033 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14034 } 14035 } 14036 14037 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14038 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14039 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14040 14041 final PackageParser.Package oldPackage; 14042 final String pkgName = pkg.packageName; 14043 final int[] allUsers; 14044 final int[] installedUsers; 14045 14046 synchronized(mPackages) { 14047 oldPackage = mPackages.get(pkgName); 14048 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14049 14050 // don't allow upgrade to target a release SDK from a pre-release SDK 14051 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14052 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14053 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14054 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14055 if (oldTargetsPreRelease 14056 && !newTargetsPreRelease 14057 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14058 Slog.w(TAG, "Can't install package targeting released sdk"); 14059 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14060 return; 14061 } 14062 14063 // don't allow an upgrade from full to ephemeral 14064 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14065 if (isEphemeral && !oldIsEphemeral) { 14066 // can't downgrade from full to ephemeral 14067 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14068 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14069 return; 14070 } 14071 14072 // verify signatures are valid 14073 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14074 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14075 if (!checkUpgradeKeySetLP(ps, pkg)) { 14076 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14077 "New package not signed by keys specified by upgrade-keysets: " 14078 + pkgName); 14079 return; 14080 } 14081 } else { 14082 // default to original signature matching 14083 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14084 != PackageManager.SIGNATURE_MATCH) { 14085 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14086 "New package has a different signature: " + pkgName); 14087 return; 14088 } 14089 } 14090 14091 // don't allow a system upgrade unless the upgrade hash matches 14092 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14093 byte[] digestBytes = null; 14094 try { 14095 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14096 updateDigest(digest, new File(pkg.baseCodePath)); 14097 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14098 for (String path : pkg.splitCodePaths) { 14099 updateDigest(digest, new File(path)); 14100 } 14101 } 14102 digestBytes = digest.digest(); 14103 } catch (NoSuchAlgorithmException | IOException e) { 14104 res.setError(INSTALL_FAILED_INVALID_APK, 14105 "Could not compute hash: " + pkgName); 14106 return; 14107 } 14108 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14109 res.setError(INSTALL_FAILED_INVALID_APK, 14110 "New package fails restrict-update check: " + pkgName); 14111 return; 14112 } 14113 // retain upgrade restriction 14114 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14115 } 14116 14117 // Check for shared user id changes 14118 String invalidPackageName = 14119 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14120 if (invalidPackageName != null) { 14121 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14122 "Package " + invalidPackageName + " tried to change user " 14123 + oldPackage.mSharedUserId); 14124 return; 14125 } 14126 14127 // In case of rollback, remember per-user/profile install state 14128 allUsers = sUserManager.getUserIds(); 14129 installedUsers = ps.queryInstalledUsers(allUsers, true); 14130 } 14131 14132 // Update what is removed 14133 res.removedInfo = new PackageRemovedInfo(); 14134 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14135 res.removedInfo.removedPackage = oldPackage.packageName; 14136 res.removedInfo.isUpdate = true; 14137 res.removedInfo.origUsers = installedUsers; 14138 final int childCount = (oldPackage.childPackages != null) 14139 ? oldPackage.childPackages.size() : 0; 14140 for (int i = 0; i < childCount; i++) { 14141 boolean childPackageUpdated = false; 14142 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14143 if (res.addedChildPackages != null) { 14144 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14145 if (childRes != null) { 14146 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14147 childRes.removedInfo.removedPackage = childPkg.packageName; 14148 childRes.removedInfo.isUpdate = true; 14149 childPackageUpdated = true; 14150 } 14151 } 14152 if (!childPackageUpdated) { 14153 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14154 childRemovedRes.removedPackage = childPkg.packageName; 14155 childRemovedRes.isUpdate = false; 14156 childRemovedRes.dataRemoved = true; 14157 synchronized (mPackages) { 14158 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14159 if (childPs != null) { 14160 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14161 } 14162 } 14163 if (res.removedInfo.removedChildPackages == null) { 14164 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14165 } 14166 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14167 } 14168 } 14169 14170 boolean sysPkg = (isSystemApp(oldPackage)); 14171 if (sysPkg) { 14172 // Set the system/privileged flags as needed 14173 final boolean privileged = 14174 (oldPackage.applicationInfo.privateFlags 14175 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14176 final int systemPolicyFlags = policyFlags 14177 | PackageParser.PARSE_IS_SYSTEM 14178 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14179 14180 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14181 user, allUsers, installerPackageName, res); 14182 } else { 14183 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14184 user, allUsers, installerPackageName, res); 14185 } 14186 } 14187 14188 public List<String> getPreviousCodePaths(String packageName) { 14189 final PackageSetting ps = mSettings.mPackages.get(packageName); 14190 final List<String> result = new ArrayList<String>(); 14191 if (ps != null && ps.oldCodePaths != null) { 14192 result.addAll(ps.oldCodePaths); 14193 } 14194 return result; 14195 } 14196 14197 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14198 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14199 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14200 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14201 + deletedPackage); 14202 14203 String pkgName = deletedPackage.packageName; 14204 boolean deletedPkg = true; 14205 boolean addedPkg = false; 14206 boolean updatedSettings = false; 14207 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14208 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14209 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14210 14211 final long origUpdateTime = (pkg.mExtras != null) 14212 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14213 14214 // First delete the existing package while retaining the data directory 14215 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14216 res.removedInfo, true, pkg)) { 14217 // If the existing package wasn't successfully deleted 14218 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14219 deletedPkg = false; 14220 } else { 14221 // Successfully deleted the old package; proceed with replace. 14222 14223 // If deleted package lived in a container, give users a chance to 14224 // relinquish resources before killing. 14225 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14226 if (DEBUG_INSTALL) { 14227 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14228 } 14229 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14230 final ArrayList<String> pkgList = new ArrayList<String>(1); 14231 pkgList.add(deletedPackage.applicationInfo.packageName); 14232 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14233 } 14234 14235 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14236 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14237 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14238 14239 try { 14240 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14241 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14242 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14243 14244 // Update the in-memory copy of the previous code paths. 14245 PackageSetting ps = mSettings.mPackages.get(pkgName); 14246 if (!killApp) { 14247 if (ps.oldCodePaths == null) { 14248 ps.oldCodePaths = new ArraySet<>(); 14249 } 14250 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14251 if (deletedPackage.splitCodePaths != null) { 14252 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14253 } 14254 } else { 14255 ps.oldCodePaths = null; 14256 } 14257 if (ps.childPackageNames != null) { 14258 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14259 final String childPkgName = ps.childPackageNames.get(i); 14260 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14261 childPs.oldCodePaths = ps.oldCodePaths; 14262 } 14263 } 14264 prepareAppDataAfterInstallLIF(newPackage); 14265 addedPkg = true; 14266 } catch (PackageManagerException e) { 14267 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14268 } 14269 } 14270 14271 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14272 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14273 14274 // Revert all internal state mutations and added folders for the failed install 14275 if (addedPkg) { 14276 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14277 res.removedInfo, true, null); 14278 } 14279 14280 // Restore the old package 14281 if (deletedPkg) { 14282 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14283 File restoreFile = new File(deletedPackage.codePath); 14284 // Parse old package 14285 boolean oldExternal = isExternal(deletedPackage); 14286 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14287 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14288 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14289 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14290 try { 14291 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14292 null); 14293 } catch (PackageManagerException e) { 14294 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14295 + e.getMessage()); 14296 return; 14297 } 14298 14299 synchronized (mPackages) { 14300 // Ensure the installer package name up to date 14301 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14302 14303 // Update permissions for restored package 14304 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14305 14306 mSettings.writeLPr(); 14307 } 14308 14309 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14310 } 14311 } else { 14312 synchronized (mPackages) { 14313 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14314 if (ps != null) { 14315 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14316 if (res.removedInfo.removedChildPackages != null) { 14317 final int childCount = res.removedInfo.removedChildPackages.size(); 14318 // Iterate in reverse as we may modify the collection 14319 for (int i = childCount - 1; i >= 0; i--) { 14320 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14321 if (res.addedChildPackages.containsKey(childPackageName)) { 14322 res.removedInfo.removedChildPackages.removeAt(i); 14323 } else { 14324 PackageRemovedInfo childInfo = res.removedInfo 14325 .removedChildPackages.valueAt(i); 14326 childInfo.removedForAllUsers = mPackages.get( 14327 childInfo.removedPackage) == null; 14328 } 14329 } 14330 } 14331 } 14332 } 14333 } 14334 } 14335 14336 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14337 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14338 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14339 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14340 + ", old=" + deletedPackage); 14341 14342 final boolean disabledSystem; 14343 14344 // Remove existing system package 14345 removePackageLI(deletedPackage, true); 14346 14347 synchronized (mPackages) { 14348 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14349 } 14350 if (!disabledSystem) { 14351 // We didn't need to disable the .apk as a current system package, 14352 // which means we are replacing another update that is already 14353 // installed. We need to make sure to delete the older one's .apk. 14354 res.removedInfo.args = createInstallArgsForExisting(0, 14355 deletedPackage.applicationInfo.getCodePath(), 14356 deletedPackage.applicationInfo.getResourcePath(), 14357 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14358 } else { 14359 res.removedInfo.args = null; 14360 } 14361 14362 // Successfully disabled the old package. Now proceed with re-installation 14363 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14364 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14365 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14366 14367 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14368 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14369 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14370 14371 PackageParser.Package newPackage = null; 14372 try { 14373 // Add the package to the internal data structures 14374 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14375 14376 // Set the update and install times 14377 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14378 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14379 System.currentTimeMillis()); 14380 14381 // Update the package dynamic state if succeeded 14382 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14383 // Now that the install succeeded make sure we remove data 14384 // directories for any child package the update removed. 14385 final int deletedChildCount = (deletedPackage.childPackages != null) 14386 ? deletedPackage.childPackages.size() : 0; 14387 final int newChildCount = (newPackage.childPackages != null) 14388 ? newPackage.childPackages.size() : 0; 14389 for (int i = 0; i < deletedChildCount; i++) { 14390 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14391 boolean childPackageDeleted = true; 14392 for (int j = 0; j < newChildCount; j++) { 14393 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14394 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14395 childPackageDeleted = false; 14396 break; 14397 } 14398 } 14399 if (childPackageDeleted) { 14400 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14401 deletedChildPkg.packageName); 14402 if (ps != null && res.removedInfo.removedChildPackages != null) { 14403 PackageRemovedInfo removedChildRes = res.removedInfo 14404 .removedChildPackages.get(deletedChildPkg.packageName); 14405 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14406 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14407 } 14408 } 14409 } 14410 14411 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14412 prepareAppDataAfterInstallLIF(newPackage); 14413 } 14414 } catch (PackageManagerException e) { 14415 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14416 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14417 } 14418 14419 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14420 // Re installation failed. Restore old information 14421 // Remove new pkg information 14422 if (newPackage != null) { 14423 removeInstalledPackageLI(newPackage, true); 14424 } 14425 // Add back the old system package 14426 try { 14427 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14428 } catch (PackageManagerException e) { 14429 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14430 } 14431 14432 synchronized (mPackages) { 14433 if (disabledSystem) { 14434 enableSystemPackageLPw(deletedPackage); 14435 } 14436 14437 // Ensure the installer package name up to date 14438 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14439 14440 // Update permissions for restored package 14441 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14442 14443 mSettings.writeLPr(); 14444 } 14445 14446 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14447 + " after failed upgrade"); 14448 } 14449 } 14450 14451 /** 14452 * Checks whether the parent or any of the child packages have a change shared 14453 * user. For a package to be a valid update the shred users of the parent and 14454 * the children should match. We may later support changing child shared users. 14455 * @param oldPkg The updated package. 14456 * @param newPkg The update package. 14457 * @return The shared user that change between the versions. 14458 */ 14459 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14460 PackageParser.Package newPkg) { 14461 // Check parent shared user 14462 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14463 return newPkg.packageName; 14464 } 14465 // Check child shared users 14466 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14467 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14468 for (int i = 0; i < newChildCount; i++) { 14469 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14470 // If this child was present, did it have the same shared user? 14471 for (int j = 0; j < oldChildCount; j++) { 14472 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14473 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14474 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14475 return newChildPkg.packageName; 14476 } 14477 } 14478 } 14479 return null; 14480 } 14481 14482 private void removeNativeBinariesLI(PackageSetting ps) { 14483 // Remove the lib path for the parent package 14484 if (ps != null) { 14485 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14486 // Remove the lib path for the child packages 14487 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14488 for (int i = 0; i < childCount; i++) { 14489 PackageSetting childPs = null; 14490 synchronized (mPackages) { 14491 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14492 } 14493 if (childPs != null) { 14494 NativeLibraryHelper.removeNativeBinariesLI(childPs 14495 .legacyNativeLibraryPathString); 14496 } 14497 } 14498 } 14499 } 14500 14501 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14502 // Enable the parent package 14503 mSettings.enableSystemPackageLPw(pkg.packageName); 14504 // Enable the child packages 14505 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14506 for (int i = 0; i < childCount; i++) { 14507 PackageParser.Package childPkg = pkg.childPackages.get(i); 14508 mSettings.enableSystemPackageLPw(childPkg.packageName); 14509 } 14510 } 14511 14512 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14513 PackageParser.Package newPkg) { 14514 // Disable the parent package (parent always replaced) 14515 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14516 // Disable the child packages 14517 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14518 for (int i = 0; i < childCount; i++) { 14519 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14520 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14521 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14522 } 14523 return disabled; 14524 } 14525 14526 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14527 String installerPackageName) { 14528 // Enable the parent package 14529 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14530 // Enable the child packages 14531 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14532 for (int i = 0; i < childCount; i++) { 14533 PackageParser.Package childPkg = pkg.childPackages.get(i); 14534 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14535 } 14536 } 14537 14538 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14539 // Collect all used permissions in the UID 14540 ArraySet<String> usedPermissions = new ArraySet<>(); 14541 final int packageCount = su.packages.size(); 14542 for (int i = 0; i < packageCount; i++) { 14543 PackageSetting ps = su.packages.valueAt(i); 14544 if (ps.pkg == null) { 14545 continue; 14546 } 14547 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14548 for (int j = 0; j < requestedPermCount; j++) { 14549 String permission = ps.pkg.requestedPermissions.get(j); 14550 BasePermission bp = mSettings.mPermissions.get(permission); 14551 if (bp != null) { 14552 usedPermissions.add(permission); 14553 } 14554 } 14555 } 14556 14557 PermissionsState permissionsState = su.getPermissionsState(); 14558 // Prune install permissions 14559 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14560 final int installPermCount = installPermStates.size(); 14561 for (int i = installPermCount - 1; i >= 0; i--) { 14562 PermissionState permissionState = installPermStates.get(i); 14563 if (!usedPermissions.contains(permissionState.getName())) { 14564 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14565 if (bp != null) { 14566 permissionsState.revokeInstallPermission(bp); 14567 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14568 PackageManager.MASK_PERMISSION_FLAGS, 0); 14569 } 14570 } 14571 } 14572 14573 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14574 14575 // Prune runtime permissions 14576 for (int userId : allUserIds) { 14577 List<PermissionState> runtimePermStates = permissionsState 14578 .getRuntimePermissionStates(userId); 14579 final int runtimePermCount = runtimePermStates.size(); 14580 for (int i = runtimePermCount - 1; i >= 0; i--) { 14581 PermissionState permissionState = runtimePermStates.get(i); 14582 if (!usedPermissions.contains(permissionState.getName())) { 14583 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14584 if (bp != null) { 14585 permissionsState.revokeRuntimePermission(bp, userId); 14586 permissionsState.updatePermissionFlags(bp, userId, 14587 PackageManager.MASK_PERMISSION_FLAGS, 0); 14588 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14589 runtimePermissionChangedUserIds, userId); 14590 } 14591 } 14592 } 14593 } 14594 14595 return runtimePermissionChangedUserIds; 14596 } 14597 14598 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14599 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14600 // Update the parent package setting 14601 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14602 res, user); 14603 // Update the child packages setting 14604 final int childCount = (newPackage.childPackages != null) 14605 ? newPackage.childPackages.size() : 0; 14606 for (int i = 0; i < childCount; i++) { 14607 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14608 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14609 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14610 childRes.origUsers, childRes, user); 14611 } 14612 } 14613 14614 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14615 String installerPackageName, int[] allUsers, int[] installedForUsers, 14616 PackageInstalledInfo res, UserHandle user) { 14617 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14618 14619 String pkgName = newPackage.packageName; 14620 synchronized (mPackages) { 14621 //write settings. the installStatus will be incomplete at this stage. 14622 //note that the new package setting would have already been 14623 //added to mPackages. It hasn't been persisted yet. 14624 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14625 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14626 mSettings.writeLPr(); 14627 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14628 } 14629 14630 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14631 synchronized (mPackages) { 14632 updatePermissionsLPw(newPackage.packageName, newPackage, 14633 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14634 ? UPDATE_PERMISSIONS_ALL : 0)); 14635 // For system-bundled packages, we assume that installing an upgraded version 14636 // of the package implies that the user actually wants to run that new code, 14637 // so we enable the package. 14638 PackageSetting ps = mSettings.mPackages.get(pkgName); 14639 final int userId = user.getIdentifier(); 14640 if (ps != null) { 14641 if (isSystemApp(newPackage)) { 14642 if (DEBUG_INSTALL) { 14643 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14644 } 14645 // Enable system package for requested users 14646 if (res.origUsers != null) { 14647 for (int origUserId : res.origUsers) { 14648 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14649 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14650 origUserId, installerPackageName); 14651 } 14652 } 14653 } 14654 // Also convey the prior install/uninstall state 14655 if (allUsers != null && installedForUsers != null) { 14656 for (int currentUserId : allUsers) { 14657 final boolean installed = ArrayUtils.contains( 14658 installedForUsers, currentUserId); 14659 if (DEBUG_INSTALL) { 14660 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14661 } 14662 ps.setInstalled(installed, currentUserId); 14663 } 14664 // these install state changes will be persisted in the 14665 // upcoming call to mSettings.writeLPr(). 14666 } 14667 } 14668 // It's implied that when a user requests installation, they want the app to be 14669 // installed and enabled. 14670 if (userId != UserHandle.USER_ALL) { 14671 ps.setInstalled(true, userId); 14672 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14673 } 14674 } 14675 res.name = pkgName; 14676 res.uid = newPackage.applicationInfo.uid; 14677 res.pkg = newPackage; 14678 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14679 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14680 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14681 //to update install status 14682 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14683 mSettings.writeLPr(); 14684 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14685 } 14686 14687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14688 } 14689 14690 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14691 try { 14692 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14693 installPackageLI(args, res); 14694 } finally { 14695 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14696 } 14697 } 14698 14699 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14700 final int installFlags = args.installFlags; 14701 final String installerPackageName = args.installerPackageName; 14702 final String volumeUuid = args.volumeUuid; 14703 final File tmpPackageFile = new File(args.getCodePath()); 14704 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14705 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14706 || (args.volumeUuid != null)); 14707 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14708 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14709 boolean replace = false; 14710 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14711 if (args.move != null) { 14712 // moving a complete application; perform an initial scan on the new install location 14713 scanFlags |= SCAN_INITIAL; 14714 } 14715 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14716 scanFlags |= SCAN_DONT_KILL_APP; 14717 } 14718 14719 // Result object to be returned 14720 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14721 14722 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14723 14724 // Sanity check 14725 if (ephemeral && (forwardLocked || onExternal)) { 14726 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14727 + " external=" + onExternal); 14728 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14729 return; 14730 } 14731 14732 // Retrieve PackageSettings and parse package 14733 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14734 | PackageParser.PARSE_ENFORCE_CODE 14735 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14736 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14737 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14738 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14739 PackageParser pp = new PackageParser(); 14740 pp.setSeparateProcesses(mSeparateProcesses); 14741 pp.setDisplayMetrics(mMetrics); 14742 14743 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14744 final PackageParser.Package pkg; 14745 try { 14746 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14747 } catch (PackageParserException e) { 14748 res.setError("Failed parse during installPackageLI", e); 14749 return; 14750 } finally { 14751 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14752 } 14753 14754 // If we are installing a clustered package add results for the children 14755 if (pkg.childPackages != null) { 14756 synchronized (mPackages) { 14757 final int childCount = pkg.childPackages.size(); 14758 for (int i = 0; i < childCount; i++) { 14759 PackageParser.Package childPkg = pkg.childPackages.get(i); 14760 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14761 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14762 childRes.pkg = childPkg; 14763 childRes.name = childPkg.packageName; 14764 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14765 if (childPs != null) { 14766 childRes.origUsers = childPs.queryInstalledUsers( 14767 sUserManager.getUserIds(), true); 14768 } 14769 if ((mPackages.containsKey(childPkg.packageName))) { 14770 childRes.removedInfo = new PackageRemovedInfo(); 14771 childRes.removedInfo.removedPackage = childPkg.packageName; 14772 } 14773 if (res.addedChildPackages == null) { 14774 res.addedChildPackages = new ArrayMap<>(); 14775 } 14776 res.addedChildPackages.put(childPkg.packageName, childRes); 14777 } 14778 } 14779 } 14780 14781 // If package doesn't declare API override, mark that we have an install 14782 // time CPU ABI override. 14783 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14784 pkg.cpuAbiOverride = args.abiOverride; 14785 } 14786 14787 String pkgName = res.name = pkg.packageName; 14788 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14789 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14790 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14791 return; 14792 } 14793 } 14794 14795 try { 14796 // either use what we've been given or parse directly from the APK 14797 if (args.certificates != null) { 14798 try { 14799 PackageParser.populateCertificates(pkg, args.certificates); 14800 } catch (PackageParserException e) { 14801 // there was something wrong with the certificates we were given; 14802 // try to pull them from the APK 14803 PackageParser.collectCertificates(pkg, parseFlags); 14804 } 14805 } else { 14806 PackageParser.collectCertificates(pkg, parseFlags); 14807 } 14808 } catch (PackageParserException e) { 14809 res.setError("Failed collect during installPackageLI", e); 14810 return; 14811 } 14812 14813 // Get rid of all references to package scan path via parser. 14814 pp = null; 14815 String oldCodePath = null; 14816 boolean systemApp = false; 14817 synchronized (mPackages) { 14818 // Check if installing already existing package 14819 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14820 String oldName = mSettings.mRenamedPackages.get(pkgName); 14821 if (pkg.mOriginalPackages != null 14822 && pkg.mOriginalPackages.contains(oldName) 14823 && mPackages.containsKey(oldName)) { 14824 // This package is derived from an original package, 14825 // and this device has been updating from that original 14826 // name. We must continue using the original name, so 14827 // rename the new package here. 14828 pkg.setPackageName(oldName); 14829 pkgName = pkg.packageName; 14830 replace = true; 14831 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14832 + oldName + " pkgName=" + pkgName); 14833 } else if (mPackages.containsKey(pkgName)) { 14834 // This package, under its official name, already exists 14835 // on the device; we should replace it. 14836 replace = true; 14837 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14838 } 14839 14840 // Child packages are installed through the parent package 14841 if (pkg.parentPackage != null) { 14842 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14843 "Package " + pkg.packageName + " is child of package " 14844 + pkg.parentPackage.parentPackage + ". Child packages " 14845 + "can be updated only through the parent package."); 14846 return; 14847 } 14848 14849 if (replace) { 14850 // Prevent apps opting out from runtime permissions 14851 PackageParser.Package oldPackage = mPackages.get(pkgName); 14852 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14853 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14854 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14855 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14856 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14857 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14858 + " doesn't support runtime permissions but the old" 14859 + " target SDK " + oldTargetSdk + " does."); 14860 return; 14861 } 14862 14863 // Prevent installing of child packages 14864 if (oldPackage.parentPackage != null) { 14865 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14866 "Package " + pkg.packageName + " is child of package " 14867 + oldPackage.parentPackage + ". Child packages " 14868 + "can be updated only through the parent package."); 14869 return; 14870 } 14871 } 14872 } 14873 14874 PackageSetting ps = mSettings.mPackages.get(pkgName); 14875 if (ps != null) { 14876 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14877 14878 // Quick sanity check that we're signed correctly if updating; 14879 // we'll check this again later when scanning, but we want to 14880 // bail early here before tripping over redefined permissions. 14881 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14882 if (!checkUpgradeKeySetLP(ps, pkg)) { 14883 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14884 + pkg.packageName + " upgrade keys do not match the " 14885 + "previously installed version"); 14886 return; 14887 } 14888 } else { 14889 try { 14890 verifySignaturesLP(ps, pkg); 14891 } catch (PackageManagerException e) { 14892 res.setError(e.error, e.getMessage()); 14893 return; 14894 } 14895 } 14896 14897 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14898 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14899 systemApp = (ps.pkg.applicationInfo.flags & 14900 ApplicationInfo.FLAG_SYSTEM) != 0; 14901 } 14902 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14903 } 14904 14905 // Check whether the newly-scanned package wants to define an already-defined perm 14906 int N = pkg.permissions.size(); 14907 for (int i = N-1; i >= 0; i--) { 14908 PackageParser.Permission perm = pkg.permissions.get(i); 14909 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14910 if (bp != null) { 14911 // If the defining package is signed with our cert, it's okay. This 14912 // also includes the "updating the same package" case, of course. 14913 // "updating same package" could also involve key-rotation. 14914 final boolean sigsOk; 14915 if (bp.sourcePackage.equals(pkg.packageName) 14916 && (bp.packageSetting instanceof PackageSetting) 14917 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14918 scanFlags))) { 14919 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14920 } else { 14921 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14922 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14923 } 14924 if (!sigsOk) { 14925 // If the owning package is the system itself, we log but allow 14926 // install to proceed; we fail the install on all other permission 14927 // redefinitions. 14928 if (!bp.sourcePackage.equals("android")) { 14929 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14930 + pkg.packageName + " attempting to redeclare permission " 14931 + perm.info.name + " already owned by " + bp.sourcePackage); 14932 res.origPermission = perm.info.name; 14933 res.origPackage = bp.sourcePackage; 14934 return; 14935 } else { 14936 Slog.w(TAG, "Package " + pkg.packageName 14937 + " attempting to redeclare system permission " 14938 + perm.info.name + "; ignoring new declaration"); 14939 pkg.permissions.remove(i); 14940 } 14941 } 14942 } 14943 } 14944 } 14945 14946 if (systemApp) { 14947 if (onExternal) { 14948 // Abort update; system app can't be replaced with app on sdcard 14949 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14950 "Cannot install updates to system apps on sdcard"); 14951 return; 14952 } else if (ephemeral) { 14953 // Abort update; system app can't be replaced with an ephemeral app 14954 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14955 "Cannot update a system app with an ephemeral app"); 14956 return; 14957 } 14958 } 14959 14960 if (args.move != null) { 14961 // We did an in-place move, so dex is ready to roll 14962 scanFlags |= SCAN_NO_DEX; 14963 scanFlags |= SCAN_MOVE; 14964 14965 synchronized (mPackages) { 14966 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14967 if (ps == null) { 14968 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14969 "Missing settings for moved package " + pkgName); 14970 } 14971 14972 // We moved the entire application as-is, so bring over the 14973 // previously derived ABI information. 14974 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14975 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14976 } 14977 14978 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14979 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14980 scanFlags |= SCAN_NO_DEX; 14981 14982 try { 14983 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14984 args.abiOverride : pkg.cpuAbiOverride); 14985 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14986 true /* extract libs */); 14987 } catch (PackageManagerException pme) { 14988 Slog.e(TAG, "Error deriving application ABI", pme); 14989 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14990 return; 14991 } 14992 14993 // Shared libraries for the package need to be updated. 14994 synchronized (mPackages) { 14995 try { 14996 updateSharedLibrariesLPw(pkg, null); 14997 } catch (PackageManagerException e) { 14998 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14999 } 15000 } 15001 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15002 // Do not run PackageDexOptimizer through the local performDexOpt 15003 // method because `pkg` may not be in `mPackages` yet. 15004 // 15005 // Also, don't fail application installs if the dexopt step fails. 15006 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15007 null /* instructionSets */, false /* checkProfiles */, 15008 getCompilerFilterForReason(REASON_INSTALL), 15009 getOrCreateCompilerPackageStats(pkg)); 15010 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15011 15012 // Notify BackgroundDexOptService that the package has been changed. 15013 // If this is an update of a package which used to fail to compile, 15014 // BDOS will remove it from its blacklist. 15015 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15016 } 15017 15018 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15019 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15020 return; 15021 } 15022 15023 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15024 15025 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15026 "installPackageLI")) { 15027 if (replace) { 15028 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15029 installerPackageName, res); 15030 } else { 15031 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15032 args.user, installerPackageName, volumeUuid, res); 15033 } 15034 } 15035 synchronized (mPackages) { 15036 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15037 if (ps != null) { 15038 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15039 } 15040 15041 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15042 for (int i = 0; i < childCount; i++) { 15043 PackageParser.Package childPkg = pkg.childPackages.get(i); 15044 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15045 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15046 if (childPs != null) { 15047 childRes.newUsers = childPs.queryInstalledUsers( 15048 sUserManager.getUserIds(), true); 15049 } 15050 } 15051 } 15052 } 15053 15054 private void startIntentFilterVerifications(int userId, boolean replacing, 15055 PackageParser.Package pkg) { 15056 if (mIntentFilterVerifierComponent == null) { 15057 Slog.w(TAG, "No IntentFilter verification will not be done as " 15058 + "there is no IntentFilterVerifier available!"); 15059 return; 15060 } 15061 15062 final int verifierUid = getPackageUid( 15063 mIntentFilterVerifierComponent.getPackageName(), 15064 MATCH_DEBUG_TRIAGED_MISSING, 15065 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15066 15067 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15068 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15069 mHandler.sendMessage(msg); 15070 15071 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15072 for (int i = 0; i < childCount; i++) { 15073 PackageParser.Package childPkg = pkg.childPackages.get(i); 15074 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15075 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15076 mHandler.sendMessage(msg); 15077 } 15078 } 15079 15080 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15081 PackageParser.Package pkg) { 15082 int size = pkg.activities.size(); 15083 if (size == 0) { 15084 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15085 "No activity, so no need to verify any IntentFilter!"); 15086 return; 15087 } 15088 15089 final boolean hasDomainURLs = hasDomainURLs(pkg); 15090 if (!hasDomainURLs) { 15091 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15092 "No domain URLs, so no need to verify any IntentFilter!"); 15093 return; 15094 } 15095 15096 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15097 + " if any IntentFilter from the " + size 15098 + " Activities needs verification ..."); 15099 15100 int count = 0; 15101 final String packageName = pkg.packageName; 15102 15103 synchronized (mPackages) { 15104 // If this is a new install and we see that we've already run verification for this 15105 // package, we have nothing to do: it means the state was restored from backup. 15106 if (!replacing) { 15107 IntentFilterVerificationInfo ivi = 15108 mSettings.getIntentFilterVerificationLPr(packageName); 15109 if (ivi != null) { 15110 if (DEBUG_DOMAIN_VERIFICATION) { 15111 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15112 + ivi.getStatusString()); 15113 } 15114 return; 15115 } 15116 } 15117 15118 // If any filters need to be verified, then all need to be. 15119 boolean needToVerify = false; 15120 for (PackageParser.Activity a : pkg.activities) { 15121 for (ActivityIntentInfo filter : a.intents) { 15122 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15123 if (DEBUG_DOMAIN_VERIFICATION) { 15124 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15125 } 15126 needToVerify = true; 15127 break; 15128 } 15129 } 15130 } 15131 15132 if (needToVerify) { 15133 final int verificationId = mIntentFilterVerificationToken++; 15134 for (PackageParser.Activity a : pkg.activities) { 15135 for (ActivityIntentInfo filter : a.intents) { 15136 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15137 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15138 "Verification needed for IntentFilter:" + filter.toString()); 15139 mIntentFilterVerifier.addOneIntentFilterVerification( 15140 verifierUid, userId, verificationId, filter, packageName); 15141 count++; 15142 } 15143 } 15144 } 15145 } 15146 } 15147 15148 if (count > 0) { 15149 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15150 + " IntentFilter verification" + (count > 1 ? "s" : "") 15151 + " for userId:" + userId); 15152 mIntentFilterVerifier.startVerifications(userId); 15153 } else { 15154 if (DEBUG_DOMAIN_VERIFICATION) { 15155 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15156 } 15157 } 15158 } 15159 15160 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15161 final ComponentName cn = filter.activity.getComponentName(); 15162 final String packageName = cn.getPackageName(); 15163 15164 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15165 packageName); 15166 if (ivi == null) { 15167 return true; 15168 } 15169 int status = ivi.getStatus(); 15170 switch (status) { 15171 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15172 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15173 return true; 15174 15175 default: 15176 // Nothing to do 15177 return false; 15178 } 15179 } 15180 15181 private static boolean isMultiArch(ApplicationInfo info) { 15182 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15183 } 15184 15185 private static boolean isExternal(PackageParser.Package pkg) { 15186 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15187 } 15188 15189 private static boolean isExternal(PackageSetting ps) { 15190 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15191 } 15192 15193 private static boolean isEphemeral(PackageParser.Package pkg) { 15194 return pkg.applicationInfo.isEphemeralApp(); 15195 } 15196 15197 private static boolean isEphemeral(PackageSetting ps) { 15198 return ps.pkg != null && isEphemeral(ps.pkg); 15199 } 15200 15201 private static boolean isSystemApp(PackageParser.Package pkg) { 15202 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15203 } 15204 15205 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15206 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15207 } 15208 15209 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15210 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15211 } 15212 15213 private static boolean isSystemApp(PackageSetting ps) { 15214 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15215 } 15216 15217 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15218 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15219 } 15220 15221 private int packageFlagsToInstallFlags(PackageSetting ps) { 15222 int installFlags = 0; 15223 if (isEphemeral(ps)) { 15224 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15225 } 15226 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15227 // This existing package was an external ASEC install when we have 15228 // the external flag without a UUID 15229 installFlags |= PackageManager.INSTALL_EXTERNAL; 15230 } 15231 if (ps.isForwardLocked()) { 15232 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15233 } 15234 return installFlags; 15235 } 15236 15237 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15238 if (isExternal(pkg)) { 15239 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15240 return StorageManager.UUID_PRIMARY_PHYSICAL; 15241 } else { 15242 return pkg.volumeUuid; 15243 } 15244 } else { 15245 return StorageManager.UUID_PRIVATE_INTERNAL; 15246 } 15247 } 15248 15249 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15250 if (isExternal(pkg)) { 15251 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15252 return mSettings.getExternalVersion(); 15253 } else { 15254 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15255 } 15256 } else { 15257 return mSettings.getInternalVersion(); 15258 } 15259 } 15260 15261 private void deleteTempPackageFiles() { 15262 final FilenameFilter filter = new FilenameFilter() { 15263 public boolean accept(File dir, String name) { 15264 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15265 } 15266 }; 15267 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15268 file.delete(); 15269 } 15270 } 15271 15272 @Override 15273 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15274 int flags) { 15275 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15276 flags); 15277 } 15278 15279 @Override 15280 public void deletePackage(final String packageName, 15281 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15282 mContext.enforceCallingOrSelfPermission( 15283 android.Manifest.permission.DELETE_PACKAGES, null); 15284 Preconditions.checkNotNull(packageName); 15285 Preconditions.checkNotNull(observer); 15286 final int uid = Binder.getCallingUid(); 15287 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15288 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15289 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15290 mContext.enforceCallingOrSelfPermission( 15291 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15292 "deletePackage for user " + userId); 15293 } 15294 15295 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15296 try { 15297 observer.onPackageDeleted(packageName, 15298 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15299 } catch (RemoteException re) { 15300 } 15301 return; 15302 } 15303 15304 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15305 try { 15306 observer.onPackageDeleted(packageName, 15307 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15308 } catch (RemoteException re) { 15309 } 15310 return; 15311 } 15312 15313 if (DEBUG_REMOVE) { 15314 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15315 + " deleteAllUsers: " + deleteAllUsers ); 15316 } 15317 // Queue up an async operation since the package deletion may take a little while. 15318 mHandler.post(new Runnable() { 15319 public void run() { 15320 mHandler.removeCallbacks(this); 15321 int returnCode; 15322 if (!deleteAllUsers) { 15323 returnCode = deletePackageX(packageName, userId, deleteFlags); 15324 } else { 15325 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15326 // If nobody is blocking uninstall, proceed with delete for all users 15327 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15328 returnCode = deletePackageX(packageName, userId, deleteFlags); 15329 } else { 15330 // Otherwise uninstall individually for users with blockUninstalls=false 15331 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15332 for (int userId : users) { 15333 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15334 returnCode = deletePackageX(packageName, userId, userFlags); 15335 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15336 Slog.w(TAG, "Package delete failed for user " + userId 15337 + ", returnCode " + returnCode); 15338 } 15339 } 15340 } 15341 // The app has only been marked uninstalled for certain users. 15342 // We still need to report that delete was blocked 15343 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15344 } 15345 } 15346 try { 15347 observer.onPackageDeleted(packageName, returnCode, null); 15348 } catch (RemoteException e) { 15349 Log.i(TAG, "Observer no longer exists."); 15350 } //end catch 15351 } //end run 15352 }); 15353 } 15354 15355 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15356 int[] result = EMPTY_INT_ARRAY; 15357 for (int userId : userIds) { 15358 if (getBlockUninstallForUser(packageName, userId)) { 15359 result = ArrayUtils.appendInt(result, userId); 15360 } 15361 } 15362 return result; 15363 } 15364 15365 @Override 15366 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15367 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15368 } 15369 15370 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15371 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15372 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15373 try { 15374 if (dpm != null) { 15375 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15376 /* callingUserOnly =*/ false); 15377 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15378 : deviceOwnerComponentName.getPackageName(); 15379 // Does the package contains the device owner? 15380 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15381 // this check is probably not needed, since DO should be registered as a device 15382 // admin on some user too. (Original bug for this: b/17657954) 15383 if (packageName.equals(deviceOwnerPackageName)) { 15384 return true; 15385 } 15386 // Does it contain a device admin for any user? 15387 int[] users; 15388 if (userId == UserHandle.USER_ALL) { 15389 users = sUserManager.getUserIds(); 15390 } else { 15391 users = new int[]{userId}; 15392 } 15393 for (int i = 0; i < users.length; ++i) { 15394 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15395 return true; 15396 } 15397 } 15398 } 15399 } catch (RemoteException e) { 15400 } 15401 return false; 15402 } 15403 15404 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15405 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15406 } 15407 15408 /** 15409 * This method is an internal method that could be get invoked either 15410 * to delete an installed package or to clean up a failed installation. 15411 * After deleting an installed package, a broadcast is sent to notify any 15412 * listeners that the package has been removed. For cleaning up a failed 15413 * installation, the broadcast is not necessary since the package's 15414 * installation wouldn't have sent the initial broadcast either 15415 * The key steps in deleting a package are 15416 * deleting the package information in internal structures like mPackages, 15417 * deleting the packages base directories through installd 15418 * updating mSettings to reflect current status 15419 * persisting settings for later use 15420 * sending a broadcast if necessary 15421 */ 15422 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15423 final PackageRemovedInfo info = new PackageRemovedInfo(); 15424 final boolean res; 15425 15426 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15427 ? UserHandle.USER_ALL : userId; 15428 15429 if (isPackageDeviceAdmin(packageName, removeUser)) { 15430 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15431 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15432 } 15433 15434 PackageSetting uninstalledPs = null; 15435 15436 // for the uninstall-updates case and restricted profiles, remember the per- 15437 // user handle installed state 15438 int[] allUsers; 15439 synchronized (mPackages) { 15440 uninstalledPs = mSettings.mPackages.get(packageName); 15441 if (uninstalledPs == null) { 15442 Slog.w(TAG, "Not removing non-existent package " + packageName); 15443 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15444 } 15445 allUsers = sUserManager.getUserIds(); 15446 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15447 } 15448 15449 final int freezeUser; 15450 if (isUpdatedSystemApp(uninstalledPs) 15451 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15452 // We're downgrading a system app, which will apply to all users, so 15453 // freeze them all during the downgrade 15454 freezeUser = UserHandle.USER_ALL; 15455 } else { 15456 freezeUser = removeUser; 15457 } 15458 15459 synchronized (mInstallLock) { 15460 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15461 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15462 deleteFlags, "deletePackageX")) { 15463 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15464 deleteFlags | REMOVE_CHATTY, info, true, null); 15465 } 15466 synchronized (mPackages) { 15467 if (res) { 15468 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15469 } 15470 } 15471 } 15472 15473 if (res) { 15474 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15475 info.sendPackageRemovedBroadcasts(killApp); 15476 info.sendSystemPackageUpdatedBroadcasts(); 15477 info.sendSystemPackageAppearedBroadcasts(); 15478 } 15479 // Force a gc here. 15480 Runtime.getRuntime().gc(); 15481 // Delete the resources here after sending the broadcast to let 15482 // other processes clean up before deleting resources. 15483 if (info.args != null) { 15484 synchronized (mInstallLock) { 15485 info.args.doPostDeleteLI(true); 15486 } 15487 } 15488 15489 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15490 } 15491 15492 class PackageRemovedInfo { 15493 String removedPackage; 15494 int uid = -1; 15495 int removedAppId = -1; 15496 int[] origUsers; 15497 int[] removedUsers = null; 15498 boolean isRemovedPackageSystemUpdate = false; 15499 boolean isUpdate; 15500 boolean dataRemoved; 15501 boolean removedForAllUsers; 15502 // Clean up resources deleted packages. 15503 InstallArgs args = null; 15504 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15505 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15506 15507 void sendPackageRemovedBroadcasts(boolean killApp) { 15508 sendPackageRemovedBroadcastInternal(killApp); 15509 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15510 for (int i = 0; i < childCount; i++) { 15511 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15512 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15513 } 15514 } 15515 15516 void sendSystemPackageUpdatedBroadcasts() { 15517 if (isRemovedPackageSystemUpdate) { 15518 sendSystemPackageUpdatedBroadcastsInternal(); 15519 final int childCount = (removedChildPackages != null) 15520 ? removedChildPackages.size() : 0; 15521 for (int i = 0; i < childCount; i++) { 15522 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15523 if (childInfo.isRemovedPackageSystemUpdate) { 15524 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15525 } 15526 } 15527 } 15528 } 15529 15530 void sendSystemPackageAppearedBroadcasts() { 15531 final int packageCount = (appearedChildPackages != null) 15532 ? appearedChildPackages.size() : 0; 15533 for (int i = 0; i < packageCount; i++) { 15534 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15535 for (int userId : installedInfo.newUsers) { 15536 sendPackageAddedForUser(installedInfo.name, true, 15537 UserHandle.getAppId(installedInfo.uid), userId); 15538 } 15539 } 15540 } 15541 15542 private void sendSystemPackageUpdatedBroadcastsInternal() { 15543 Bundle extras = new Bundle(2); 15544 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15545 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15546 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15547 extras, 0, null, null, null); 15548 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15549 extras, 0, null, null, null); 15550 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15551 null, 0, removedPackage, null, null); 15552 } 15553 15554 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15555 Bundle extras = new Bundle(2); 15556 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15557 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15558 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15559 if (isUpdate || isRemovedPackageSystemUpdate) { 15560 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15561 } 15562 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15563 if (removedPackage != null) { 15564 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15565 extras, 0, null, null, removedUsers); 15566 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15567 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15568 removedPackage, extras, 0, null, null, removedUsers); 15569 } 15570 } 15571 if (removedAppId >= 0) { 15572 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15573 removedUsers); 15574 } 15575 } 15576 } 15577 15578 /* 15579 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15580 * flag is not set, the data directory is removed as well. 15581 * make sure this flag is set for partially installed apps. If not its meaningless to 15582 * delete a partially installed application. 15583 */ 15584 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15585 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15586 String packageName = ps.name; 15587 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15588 // Retrieve object to delete permissions for shared user later on 15589 final PackageParser.Package deletedPkg; 15590 final PackageSetting deletedPs; 15591 // reader 15592 synchronized (mPackages) { 15593 deletedPkg = mPackages.get(packageName); 15594 deletedPs = mSettings.mPackages.get(packageName); 15595 if (outInfo != null) { 15596 outInfo.removedPackage = packageName; 15597 outInfo.removedUsers = deletedPs != null 15598 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15599 : null; 15600 } 15601 } 15602 15603 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15604 15605 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15606 final PackageParser.Package resolvedPkg; 15607 if (deletedPkg != null) { 15608 resolvedPkg = deletedPkg; 15609 } else { 15610 // We don't have a parsed package when it lives on an ejected 15611 // adopted storage device, so fake something together 15612 resolvedPkg = new PackageParser.Package(ps.name); 15613 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15614 } 15615 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15616 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15617 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15618 if (outInfo != null) { 15619 outInfo.dataRemoved = true; 15620 } 15621 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15622 } 15623 15624 // writer 15625 synchronized (mPackages) { 15626 if (deletedPs != null) { 15627 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15628 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15629 clearDefaultBrowserIfNeeded(packageName); 15630 if (outInfo != null) { 15631 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15632 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15633 } 15634 updatePermissionsLPw(deletedPs.name, null, 0); 15635 if (deletedPs.sharedUser != null) { 15636 // Remove permissions associated with package. Since runtime 15637 // permissions are per user we have to kill the removed package 15638 // or packages running under the shared user of the removed 15639 // package if revoking the permissions requested only by the removed 15640 // package is successful and this causes a change in gids. 15641 for (int userId : UserManagerService.getInstance().getUserIds()) { 15642 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15643 userId); 15644 if (userIdToKill == UserHandle.USER_ALL 15645 || userIdToKill >= UserHandle.USER_SYSTEM) { 15646 // If gids changed for this user, kill all affected packages. 15647 mHandler.post(new Runnable() { 15648 @Override 15649 public void run() { 15650 // This has to happen with no lock held. 15651 killApplication(deletedPs.name, deletedPs.appId, 15652 KILL_APP_REASON_GIDS_CHANGED); 15653 } 15654 }); 15655 break; 15656 } 15657 } 15658 } 15659 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15660 } 15661 // make sure to preserve per-user disabled state if this removal was just 15662 // a downgrade of a system app to the factory package 15663 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15664 if (DEBUG_REMOVE) { 15665 Slog.d(TAG, "Propagating install state across downgrade"); 15666 } 15667 for (int userId : allUserHandles) { 15668 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15669 if (DEBUG_REMOVE) { 15670 Slog.d(TAG, " user " + userId + " => " + installed); 15671 } 15672 ps.setInstalled(installed, userId); 15673 } 15674 } 15675 } 15676 // can downgrade to reader 15677 if (writeSettings) { 15678 // Save settings now 15679 mSettings.writeLPr(); 15680 } 15681 } 15682 if (outInfo != null) { 15683 // A user ID was deleted here. Go through all users and remove it 15684 // from KeyStore. 15685 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15686 } 15687 } 15688 15689 static boolean locationIsPrivileged(File path) { 15690 try { 15691 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15692 .getCanonicalPath(); 15693 return path.getCanonicalPath().startsWith(privilegedAppDir); 15694 } catch (IOException e) { 15695 Slog.e(TAG, "Unable to access code path " + path); 15696 } 15697 return false; 15698 } 15699 15700 /* 15701 * Tries to delete system package. 15702 */ 15703 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15704 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15705 boolean writeSettings) { 15706 if (deletedPs.parentPackageName != null) { 15707 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15708 return false; 15709 } 15710 15711 final boolean applyUserRestrictions 15712 = (allUserHandles != null) && (outInfo.origUsers != null); 15713 final PackageSetting disabledPs; 15714 // Confirm if the system package has been updated 15715 // An updated system app can be deleted. This will also have to restore 15716 // the system pkg from system partition 15717 // reader 15718 synchronized (mPackages) { 15719 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15720 } 15721 15722 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15723 + " disabledPs=" + disabledPs); 15724 15725 if (disabledPs == null) { 15726 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15727 return false; 15728 } else if (DEBUG_REMOVE) { 15729 Slog.d(TAG, "Deleting system pkg from data partition"); 15730 } 15731 15732 if (DEBUG_REMOVE) { 15733 if (applyUserRestrictions) { 15734 Slog.d(TAG, "Remembering install states:"); 15735 for (int userId : allUserHandles) { 15736 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15737 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15738 } 15739 } 15740 } 15741 15742 // Delete the updated package 15743 outInfo.isRemovedPackageSystemUpdate = true; 15744 if (outInfo.removedChildPackages != null) { 15745 final int childCount = (deletedPs.childPackageNames != null) 15746 ? deletedPs.childPackageNames.size() : 0; 15747 for (int i = 0; i < childCount; i++) { 15748 String childPackageName = deletedPs.childPackageNames.get(i); 15749 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15750 .contains(childPackageName)) { 15751 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15752 childPackageName); 15753 if (childInfo != null) { 15754 childInfo.isRemovedPackageSystemUpdate = true; 15755 } 15756 } 15757 } 15758 } 15759 15760 if (disabledPs.versionCode < deletedPs.versionCode) { 15761 // Delete data for downgrades 15762 flags &= ~PackageManager.DELETE_KEEP_DATA; 15763 } else { 15764 // Preserve data by setting flag 15765 flags |= PackageManager.DELETE_KEEP_DATA; 15766 } 15767 15768 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15769 outInfo, writeSettings, disabledPs.pkg); 15770 if (!ret) { 15771 return false; 15772 } 15773 15774 // writer 15775 synchronized (mPackages) { 15776 // Reinstate the old system package 15777 enableSystemPackageLPw(disabledPs.pkg); 15778 // Remove any native libraries from the upgraded package. 15779 removeNativeBinariesLI(deletedPs); 15780 } 15781 15782 // Install the system package 15783 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15784 int parseFlags = mDefParseFlags 15785 | PackageParser.PARSE_MUST_BE_APK 15786 | PackageParser.PARSE_IS_SYSTEM 15787 | PackageParser.PARSE_IS_SYSTEM_DIR; 15788 if (locationIsPrivileged(disabledPs.codePath)) { 15789 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15790 } 15791 15792 final PackageParser.Package newPkg; 15793 try { 15794 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15795 } catch (PackageManagerException e) { 15796 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15797 + e.getMessage()); 15798 return false; 15799 } 15800 15801 prepareAppDataAfterInstallLIF(newPkg); 15802 15803 // writer 15804 synchronized (mPackages) { 15805 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15806 15807 // Propagate the permissions state as we do not want to drop on the floor 15808 // runtime permissions. The update permissions method below will take 15809 // care of removing obsolete permissions and grant install permissions. 15810 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15811 updatePermissionsLPw(newPkg.packageName, newPkg, 15812 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15813 15814 if (applyUserRestrictions) { 15815 if (DEBUG_REMOVE) { 15816 Slog.d(TAG, "Propagating install state across reinstall"); 15817 } 15818 for (int userId : allUserHandles) { 15819 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15820 if (DEBUG_REMOVE) { 15821 Slog.d(TAG, " user " + userId + " => " + installed); 15822 } 15823 ps.setInstalled(installed, userId); 15824 15825 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15826 } 15827 // Regardless of writeSettings we need to ensure that this restriction 15828 // state propagation is persisted 15829 mSettings.writeAllUsersPackageRestrictionsLPr(); 15830 } 15831 // can downgrade to reader here 15832 if (writeSettings) { 15833 mSettings.writeLPr(); 15834 } 15835 } 15836 return true; 15837 } 15838 15839 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15840 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15841 PackageRemovedInfo outInfo, boolean writeSettings, 15842 PackageParser.Package replacingPackage) { 15843 synchronized (mPackages) { 15844 if (outInfo != null) { 15845 outInfo.uid = ps.appId; 15846 } 15847 15848 if (outInfo != null && outInfo.removedChildPackages != null) { 15849 final int childCount = (ps.childPackageNames != null) 15850 ? ps.childPackageNames.size() : 0; 15851 for (int i = 0; i < childCount; i++) { 15852 String childPackageName = ps.childPackageNames.get(i); 15853 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15854 if (childPs == null) { 15855 return false; 15856 } 15857 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15858 childPackageName); 15859 if (childInfo != null) { 15860 childInfo.uid = childPs.appId; 15861 } 15862 } 15863 } 15864 } 15865 15866 // Delete package data from internal structures and also remove data if flag is set 15867 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15868 15869 // Delete the child packages data 15870 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15871 for (int i = 0; i < childCount; i++) { 15872 PackageSetting childPs; 15873 synchronized (mPackages) { 15874 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15875 } 15876 if (childPs != null) { 15877 PackageRemovedInfo childOutInfo = (outInfo != null 15878 && outInfo.removedChildPackages != null) 15879 ? outInfo.removedChildPackages.get(childPs.name) : null; 15880 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15881 && (replacingPackage != null 15882 && !replacingPackage.hasChildPackage(childPs.name)) 15883 ? flags & ~DELETE_KEEP_DATA : flags; 15884 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15885 deleteFlags, writeSettings); 15886 } 15887 } 15888 15889 // Delete application code and resources only for parent packages 15890 if (ps.parentPackageName == null) { 15891 if (deleteCodeAndResources && (outInfo != null)) { 15892 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15893 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15894 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15895 } 15896 } 15897 15898 return true; 15899 } 15900 15901 @Override 15902 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15903 int userId) { 15904 mContext.enforceCallingOrSelfPermission( 15905 android.Manifest.permission.DELETE_PACKAGES, null); 15906 synchronized (mPackages) { 15907 PackageSetting ps = mSettings.mPackages.get(packageName); 15908 if (ps == null) { 15909 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15910 return false; 15911 } 15912 if (!ps.getInstalled(userId)) { 15913 // Can't block uninstall for an app that is not installed or enabled. 15914 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15915 return false; 15916 } 15917 ps.setBlockUninstall(blockUninstall, userId); 15918 mSettings.writePackageRestrictionsLPr(userId); 15919 } 15920 return true; 15921 } 15922 15923 @Override 15924 public boolean getBlockUninstallForUser(String packageName, int userId) { 15925 synchronized (mPackages) { 15926 PackageSetting ps = mSettings.mPackages.get(packageName); 15927 if (ps == null) { 15928 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15929 return false; 15930 } 15931 return ps.getBlockUninstall(userId); 15932 } 15933 } 15934 15935 @Override 15936 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15937 int callingUid = Binder.getCallingUid(); 15938 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15939 throw new SecurityException( 15940 "setRequiredForSystemUser can only be run by the system or root"); 15941 } 15942 synchronized (mPackages) { 15943 PackageSetting ps = mSettings.mPackages.get(packageName); 15944 if (ps == null) { 15945 Log.w(TAG, "Package doesn't exist: " + packageName); 15946 return false; 15947 } 15948 if (systemUserApp) { 15949 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15950 } else { 15951 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15952 } 15953 mSettings.writeLPr(); 15954 } 15955 return true; 15956 } 15957 15958 /* 15959 * This method handles package deletion in general 15960 */ 15961 private boolean deletePackageLIF(String packageName, UserHandle user, 15962 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15963 PackageRemovedInfo outInfo, boolean writeSettings, 15964 PackageParser.Package replacingPackage) { 15965 if (packageName == null) { 15966 Slog.w(TAG, "Attempt to delete null packageName."); 15967 return false; 15968 } 15969 15970 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15971 15972 PackageSetting ps; 15973 15974 synchronized (mPackages) { 15975 ps = mSettings.mPackages.get(packageName); 15976 if (ps == null) { 15977 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15978 return false; 15979 } 15980 15981 if (ps.parentPackageName != null && (!isSystemApp(ps) 15982 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15983 if (DEBUG_REMOVE) { 15984 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15985 + ((user == null) ? UserHandle.USER_ALL : user)); 15986 } 15987 final int removedUserId = (user != null) ? user.getIdentifier() 15988 : UserHandle.USER_ALL; 15989 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15990 return false; 15991 } 15992 markPackageUninstalledForUserLPw(ps, user); 15993 scheduleWritePackageRestrictionsLocked(user); 15994 return true; 15995 } 15996 } 15997 15998 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15999 && user.getIdentifier() != UserHandle.USER_ALL)) { 16000 // The caller is asking that the package only be deleted for a single 16001 // user. To do this, we just mark its uninstalled state and delete 16002 // its data. If this is a system app, we only allow this to happen if 16003 // they have set the special DELETE_SYSTEM_APP which requests different 16004 // semantics than normal for uninstalling system apps. 16005 markPackageUninstalledForUserLPw(ps, user); 16006 16007 if (!isSystemApp(ps)) { 16008 // Do not uninstall the APK if an app should be cached 16009 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16010 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16011 // Other user still have this package installed, so all 16012 // we need to do is clear this user's data and save that 16013 // it is uninstalled. 16014 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16015 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16016 return false; 16017 } 16018 scheduleWritePackageRestrictionsLocked(user); 16019 return true; 16020 } else { 16021 // We need to set it back to 'installed' so the uninstall 16022 // broadcasts will be sent correctly. 16023 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16024 ps.setInstalled(true, user.getIdentifier()); 16025 } 16026 } else { 16027 // This is a system app, so we assume that the 16028 // other users still have this package installed, so all 16029 // we need to do is clear this user's data and save that 16030 // it is uninstalled. 16031 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16032 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16033 return false; 16034 } 16035 scheduleWritePackageRestrictionsLocked(user); 16036 return true; 16037 } 16038 } 16039 16040 // If we are deleting a composite package for all users, keep track 16041 // of result for each child. 16042 if (ps.childPackageNames != null && outInfo != null) { 16043 synchronized (mPackages) { 16044 final int childCount = ps.childPackageNames.size(); 16045 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16046 for (int i = 0; i < childCount; i++) { 16047 String childPackageName = ps.childPackageNames.get(i); 16048 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16049 childInfo.removedPackage = childPackageName; 16050 outInfo.removedChildPackages.put(childPackageName, childInfo); 16051 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16052 if (childPs != null) { 16053 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16054 } 16055 } 16056 } 16057 } 16058 16059 boolean ret = false; 16060 if (isSystemApp(ps)) { 16061 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16062 // When an updated system application is deleted we delete the existing resources 16063 // as well and fall back to existing code in system partition 16064 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16065 } else { 16066 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16067 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16068 outInfo, writeSettings, replacingPackage); 16069 } 16070 16071 // Take a note whether we deleted the package for all users 16072 if (outInfo != null) { 16073 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16074 if (outInfo.removedChildPackages != null) { 16075 synchronized (mPackages) { 16076 final int childCount = outInfo.removedChildPackages.size(); 16077 for (int i = 0; i < childCount; i++) { 16078 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16079 if (childInfo != null) { 16080 childInfo.removedForAllUsers = mPackages.get( 16081 childInfo.removedPackage) == null; 16082 } 16083 } 16084 } 16085 } 16086 // If we uninstalled an update to a system app there may be some 16087 // child packages that appeared as they are declared in the system 16088 // app but were not declared in the update. 16089 if (isSystemApp(ps)) { 16090 synchronized (mPackages) { 16091 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16092 final int childCount = (updatedPs.childPackageNames != null) 16093 ? updatedPs.childPackageNames.size() : 0; 16094 for (int i = 0; i < childCount; i++) { 16095 String childPackageName = updatedPs.childPackageNames.get(i); 16096 if (outInfo.removedChildPackages == null 16097 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16098 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16099 if (childPs == null) { 16100 continue; 16101 } 16102 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16103 installRes.name = childPackageName; 16104 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16105 installRes.pkg = mPackages.get(childPackageName); 16106 installRes.uid = childPs.pkg.applicationInfo.uid; 16107 if (outInfo.appearedChildPackages == null) { 16108 outInfo.appearedChildPackages = new ArrayMap<>(); 16109 } 16110 outInfo.appearedChildPackages.put(childPackageName, installRes); 16111 } 16112 } 16113 } 16114 } 16115 } 16116 16117 return ret; 16118 } 16119 16120 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16121 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16122 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16123 for (int nextUserId : userIds) { 16124 if (DEBUG_REMOVE) { 16125 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16126 } 16127 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16128 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16129 false /*hidden*/, false /*suspended*/, null, null, null, 16130 false /*blockUninstall*/, 16131 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16132 } 16133 } 16134 16135 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16136 PackageRemovedInfo outInfo) { 16137 final PackageParser.Package pkg; 16138 synchronized (mPackages) { 16139 pkg = mPackages.get(ps.name); 16140 } 16141 16142 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16143 : new int[] {userId}; 16144 for (int nextUserId : userIds) { 16145 if (DEBUG_REMOVE) { 16146 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16147 + nextUserId); 16148 } 16149 16150 destroyAppDataLIF(pkg, userId, 16151 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16152 destroyAppProfilesLIF(pkg, userId); 16153 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16154 schedulePackageCleaning(ps.name, nextUserId, false); 16155 synchronized (mPackages) { 16156 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16157 scheduleWritePackageRestrictionsLocked(nextUserId); 16158 } 16159 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16160 } 16161 } 16162 16163 if (outInfo != null) { 16164 outInfo.removedPackage = ps.name; 16165 outInfo.removedAppId = ps.appId; 16166 outInfo.removedUsers = userIds; 16167 } 16168 16169 return true; 16170 } 16171 16172 private final class ClearStorageConnection implements ServiceConnection { 16173 IMediaContainerService mContainerService; 16174 16175 @Override 16176 public void onServiceConnected(ComponentName name, IBinder service) { 16177 synchronized (this) { 16178 mContainerService = IMediaContainerService.Stub.asInterface(service); 16179 notifyAll(); 16180 } 16181 } 16182 16183 @Override 16184 public void onServiceDisconnected(ComponentName name) { 16185 } 16186 } 16187 16188 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16189 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16190 16191 final boolean mounted; 16192 if (Environment.isExternalStorageEmulated()) { 16193 mounted = true; 16194 } else { 16195 final String status = Environment.getExternalStorageState(); 16196 16197 mounted = status.equals(Environment.MEDIA_MOUNTED) 16198 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16199 } 16200 16201 if (!mounted) { 16202 return; 16203 } 16204 16205 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16206 int[] users; 16207 if (userId == UserHandle.USER_ALL) { 16208 users = sUserManager.getUserIds(); 16209 } else { 16210 users = new int[] { userId }; 16211 } 16212 final ClearStorageConnection conn = new ClearStorageConnection(); 16213 if (mContext.bindServiceAsUser( 16214 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16215 try { 16216 for (int curUser : users) { 16217 long timeout = SystemClock.uptimeMillis() + 5000; 16218 synchronized (conn) { 16219 long now; 16220 while (conn.mContainerService == null && 16221 (now = SystemClock.uptimeMillis()) < timeout) { 16222 try { 16223 conn.wait(timeout - now); 16224 } catch (InterruptedException e) { 16225 } 16226 } 16227 } 16228 if (conn.mContainerService == null) { 16229 return; 16230 } 16231 16232 final UserEnvironment userEnv = new UserEnvironment(curUser); 16233 clearDirectory(conn.mContainerService, 16234 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16235 if (allData) { 16236 clearDirectory(conn.mContainerService, 16237 userEnv.buildExternalStorageAppDataDirs(packageName)); 16238 clearDirectory(conn.mContainerService, 16239 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16240 } 16241 } 16242 } finally { 16243 mContext.unbindService(conn); 16244 } 16245 } 16246 } 16247 16248 @Override 16249 public void clearApplicationProfileData(String packageName) { 16250 enforceSystemOrRoot("Only the system can clear all profile data"); 16251 16252 final PackageParser.Package pkg; 16253 synchronized (mPackages) { 16254 pkg = mPackages.get(packageName); 16255 } 16256 16257 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16258 synchronized (mInstallLock) { 16259 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16260 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16261 true /* removeBaseMarker */); 16262 } 16263 } 16264 } 16265 16266 @Override 16267 public void clearApplicationUserData(final String packageName, 16268 final IPackageDataObserver observer, final int userId) { 16269 mContext.enforceCallingOrSelfPermission( 16270 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16271 16272 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16273 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16274 16275 if (mProtectedPackages.canPackageBeWiped(userId, packageName)) { 16276 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16277 } 16278 // Queue up an async operation since the package deletion may take a little while. 16279 mHandler.post(new Runnable() { 16280 public void run() { 16281 mHandler.removeCallbacks(this); 16282 final boolean succeeded; 16283 try (PackageFreezer freezer = freezePackage(packageName, 16284 "clearApplicationUserData")) { 16285 synchronized (mInstallLock) { 16286 succeeded = clearApplicationUserDataLIF(packageName, userId); 16287 } 16288 clearExternalStorageDataSync(packageName, userId, true); 16289 } 16290 if (succeeded) { 16291 // invoke DeviceStorageMonitor's update method to clear any notifications 16292 DeviceStorageMonitorInternal dsm = LocalServices 16293 .getService(DeviceStorageMonitorInternal.class); 16294 if (dsm != null) { 16295 dsm.checkMemory(); 16296 } 16297 } 16298 if(observer != null) { 16299 try { 16300 observer.onRemoveCompleted(packageName, succeeded); 16301 } catch (RemoteException e) { 16302 Log.i(TAG, "Observer no longer exists."); 16303 } 16304 } //end if observer 16305 } //end run 16306 }); 16307 } 16308 16309 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16310 if (packageName == null) { 16311 Slog.w(TAG, "Attempt to delete null packageName."); 16312 return false; 16313 } 16314 16315 // Try finding details about the requested package 16316 PackageParser.Package pkg; 16317 synchronized (mPackages) { 16318 pkg = mPackages.get(packageName); 16319 if (pkg == null) { 16320 final PackageSetting ps = mSettings.mPackages.get(packageName); 16321 if (ps != null) { 16322 pkg = ps.pkg; 16323 } 16324 } 16325 16326 if (pkg == null) { 16327 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16328 return false; 16329 } 16330 16331 PackageSetting ps = (PackageSetting) pkg.mExtras; 16332 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16333 } 16334 16335 clearAppDataLIF(pkg, userId, 16336 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16337 16338 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16339 removeKeystoreDataIfNeeded(userId, appId); 16340 16341 UserManagerInternal umInternal = getUserManagerInternal(); 16342 final int flags; 16343 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16344 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16345 } else if (umInternal.isUserRunning(userId)) { 16346 flags = StorageManager.FLAG_STORAGE_DE; 16347 } else { 16348 flags = 0; 16349 } 16350 prepareAppDataContentsLIF(pkg, userId, flags); 16351 16352 return true; 16353 } 16354 16355 /** 16356 * Reverts user permission state changes (permissions and flags) in 16357 * all packages for a given user. 16358 * 16359 * @param userId The device user for which to do a reset. 16360 */ 16361 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16362 final int packageCount = mPackages.size(); 16363 for (int i = 0; i < packageCount; i++) { 16364 PackageParser.Package pkg = mPackages.valueAt(i); 16365 PackageSetting ps = (PackageSetting) pkg.mExtras; 16366 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16367 } 16368 } 16369 16370 private void resetNetworkPolicies(int userId) { 16371 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16372 } 16373 16374 /** 16375 * Reverts user permission state changes (permissions and flags). 16376 * 16377 * @param ps The package for which to reset. 16378 * @param userId The device user for which to do a reset. 16379 */ 16380 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16381 final PackageSetting ps, final int userId) { 16382 if (ps.pkg == null) { 16383 return; 16384 } 16385 16386 // These are flags that can change base on user actions. 16387 final int userSettableMask = FLAG_PERMISSION_USER_SET 16388 | FLAG_PERMISSION_USER_FIXED 16389 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16390 | FLAG_PERMISSION_REVIEW_REQUIRED; 16391 16392 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16393 | FLAG_PERMISSION_POLICY_FIXED; 16394 16395 boolean writeInstallPermissions = false; 16396 boolean writeRuntimePermissions = false; 16397 16398 final int permissionCount = ps.pkg.requestedPermissions.size(); 16399 for (int i = 0; i < permissionCount; i++) { 16400 String permission = ps.pkg.requestedPermissions.get(i); 16401 16402 BasePermission bp = mSettings.mPermissions.get(permission); 16403 if (bp == null) { 16404 continue; 16405 } 16406 16407 // If shared user we just reset the state to which only this app contributed. 16408 if (ps.sharedUser != null) { 16409 boolean used = false; 16410 final int packageCount = ps.sharedUser.packages.size(); 16411 for (int j = 0; j < packageCount; j++) { 16412 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16413 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16414 && pkg.pkg.requestedPermissions.contains(permission)) { 16415 used = true; 16416 break; 16417 } 16418 } 16419 if (used) { 16420 continue; 16421 } 16422 } 16423 16424 PermissionsState permissionsState = ps.getPermissionsState(); 16425 16426 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16427 16428 // Always clear the user settable flags. 16429 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16430 bp.name) != null; 16431 // If permission review is enabled and this is a legacy app, mark the 16432 // permission as requiring a review as this is the initial state. 16433 int flags = 0; 16434 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 16435 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16436 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16437 } 16438 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16439 if (hasInstallState) { 16440 writeInstallPermissions = true; 16441 } else { 16442 writeRuntimePermissions = true; 16443 } 16444 } 16445 16446 // Below is only runtime permission handling. 16447 if (!bp.isRuntime()) { 16448 continue; 16449 } 16450 16451 // Never clobber system or policy. 16452 if ((oldFlags & policyOrSystemFlags) != 0) { 16453 continue; 16454 } 16455 16456 // If this permission was granted by default, make sure it is. 16457 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16458 if (permissionsState.grantRuntimePermission(bp, userId) 16459 != PERMISSION_OPERATION_FAILURE) { 16460 writeRuntimePermissions = true; 16461 } 16462 // If permission review is enabled the permissions for a legacy apps 16463 // are represented as constantly granted runtime ones, so don't revoke. 16464 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16465 // Otherwise, reset the permission. 16466 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16467 switch (revokeResult) { 16468 case PERMISSION_OPERATION_SUCCESS: 16469 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16470 writeRuntimePermissions = true; 16471 final int appId = ps.appId; 16472 mHandler.post(new Runnable() { 16473 @Override 16474 public void run() { 16475 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16476 } 16477 }); 16478 } break; 16479 } 16480 } 16481 } 16482 16483 // Synchronously write as we are taking permissions away. 16484 if (writeRuntimePermissions) { 16485 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16486 } 16487 16488 // Synchronously write as we are taking permissions away. 16489 if (writeInstallPermissions) { 16490 mSettings.writeLPr(); 16491 } 16492 } 16493 16494 /** 16495 * Remove entries from the keystore daemon. Will only remove it if the 16496 * {@code appId} is valid. 16497 */ 16498 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16499 if (appId < 0) { 16500 return; 16501 } 16502 16503 final KeyStore keyStore = KeyStore.getInstance(); 16504 if (keyStore != null) { 16505 if (userId == UserHandle.USER_ALL) { 16506 for (final int individual : sUserManager.getUserIds()) { 16507 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16508 } 16509 } else { 16510 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16511 } 16512 } else { 16513 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16514 } 16515 } 16516 16517 @Override 16518 public void deleteApplicationCacheFiles(final String packageName, 16519 final IPackageDataObserver observer) { 16520 final int userId = UserHandle.getCallingUserId(); 16521 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16522 } 16523 16524 @Override 16525 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16526 final IPackageDataObserver observer) { 16527 mContext.enforceCallingOrSelfPermission( 16528 android.Manifest.permission.DELETE_CACHE_FILES, null); 16529 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16530 /* requireFullPermission= */ true, /* checkShell= */ false, 16531 "delete application cache files"); 16532 16533 final PackageParser.Package pkg; 16534 synchronized (mPackages) { 16535 pkg = mPackages.get(packageName); 16536 } 16537 16538 // Queue up an async operation since the package deletion may take a little while. 16539 mHandler.post(new Runnable() { 16540 public void run() { 16541 synchronized (mInstallLock) { 16542 final int flags = StorageManager.FLAG_STORAGE_DE 16543 | StorageManager.FLAG_STORAGE_CE; 16544 // We're only clearing cache files, so we don't care if the 16545 // app is unfrozen and still able to run 16546 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16547 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16548 } 16549 clearExternalStorageDataSync(packageName, userId, false); 16550 if (observer != null) { 16551 try { 16552 observer.onRemoveCompleted(packageName, true); 16553 } catch (RemoteException e) { 16554 Log.i(TAG, "Observer no longer exists."); 16555 } 16556 } 16557 } 16558 }); 16559 } 16560 16561 @Override 16562 public void getPackageSizeInfo(final String packageName, int userHandle, 16563 final IPackageStatsObserver observer) { 16564 mContext.enforceCallingOrSelfPermission( 16565 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16566 if (packageName == null) { 16567 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16568 } 16569 16570 PackageStats stats = new PackageStats(packageName, userHandle); 16571 16572 /* 16573 * Queue up an async operation since the package measurement may take a 16574 * little while. 16575 */ 16576 Message msg = mHandler.obtainMessage(INIT_COPY); 16577 msg.obj = new MeasureParams(stats, observer); 16578 mHandler.sendMessage(msg); 16579 } 16580 16581 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16582 final PackageSetting ps; 16583 synchronized (mPackages) { 16584 ps = mSettings.mPackages.get(packageName); 16585 if (ps == null) { 16586 Slog.w(TAG, "Failed to find settings for " + packageName); 16587 return false; 16588 } 16589 } 16590 try { 16591 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16592 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16593 ps.getCeDataInode(userId), ps.codePathString, stats); 16594 } catch (InstallerException e) { 16595 Slog.w(TAG, String.valueOf(e)); 16596 return false; 16597 } 16598 16599 // For now, ignore code size of packages on system partition 16600 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16601 stats.codeSize = 0; 16602 } 16603 16604 return true; 16605 } 16606 16607 private int getUidTargetSdkVersionLockedLPr(int uid) { 16608 Object obj = mSettings.getUserIdLPr(uid); 16609 if (obj instanceof SharedUserSetting) { 16610 final SharedUserSetting sus = (SharedUserSetting) obj; 16611 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16612 final Iterator<PackageSetting> it = sus.packages.iterator(); 16613 while (it.hasNext()) { 16614 final PackageSetting ps = it.next(); 16615 if (ps.pkg != null) { 16616 int v = ps.pkg.applicationInfo.targetSdkVersion; 16617 if (v < vers) vers = v; 16618 } 16619 } 16620 return vers; 16621 } else if (obj instanceof PackageSetting) { 16622 final PackageSetting ps = (PackageSetting) obj; 16623 if (ps.pkg != null) { 16624 return ps.pkg.applicationInfo.targetSdkVersion; 16625 } 16626 } 16627 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16628 } 16629 16630 @Override 16631 public void addPreferredActivity(IntentFilter filter, int match, 16632 ComponentName[] set, ComponentName activity, int userId) { 16633 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16634 "Adding preferred"); 16635 } 16636 16637 private void addPreferredActivityInternal(IntentFilter filter, int match, 16638 ComponentName[] set, ComponentName activity, boolean always, int userId, 16639 String opname) { 16640 // writer 16641 int callingUid = Binder.getCallingUid(); 16642 enforceCrossUserPermission(callingUid, userId, 16643 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16644 if (filter.countActions() == 0) { 16645 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16646 return; 16647 } 16648 synchronized (mPackages) { 16649 if (mContext.checkCallingOrSelfPermission( 16650 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16651 != PackageManager.PERMISSION_GRANTED) { 16652 if (getUidTargetSdkVersionLockedLPr(callingUid) 16653 < Build.VERSION_CODES.FROYO) { 16654 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16655 + callingUid); 16656 return; 16657 } 16658 mContext.enforceCallingOrSelfPermission( 16659 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16660 } 16661 16662 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16663 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16664 + userId + ":"); 16665 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16666 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16667 scheduleWritePackageRestrictionsLocked(userId); 16668 } 16669 } 16670 16671 @Override 16672 public void replacePreferredActivity(IntentFilter filter, int match, 16673 ComponentName[] set, ComponentName activity, int userId) { 16674 if (filter.countActions() != 1) { 16675 throw new IllegalArgumentException( 16676 "replacePreferredActivity expects filter to have only 1 action."); 16677 } 16678 if (filter.countDataAuthorities() != 0 16679 || filter.countDataPaths() != 0 16680 || filter.countDataSchemes() > 1 16681 || filter.countDataTypes() != 0) { 16682 throw new IllegalArgumentException( 16683 "replacePreferredActivity expects filter to have no data authorities, " + 16684 "paths, or types; and at most one scheme."); 16685 } 16686 16687 final int callingUid = Binder.getCallingUid(); 16688 enforceCrossUserPermission(callingUid, userId, 16689 true /* requireFullPermission */, false /* checkShell */, 16690 "replace preferred activity"); 16691 synchronized (mPackages) { 16692 if (mContext.checkCallingOrSelfPermission( 16693 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16694 != PackageManager.PERMISSION_GRANTED) { 16695 if (getUidTargetSdkVersionLockedLPr(callingUid) 16696 < Build.VERSION_CODES.FROYO) { 16697 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16698 + Binder.getCallingUid()); 16699 return; 16700 } 16701 mContext.enforceCallingOrSelfPermission( 16702 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16703 } 16704 16705 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16706 if (pir != null) { 16707 // Get all of the existing entries that exactly match this filter. 16708 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16709 if (existing != null && existing.size() == 1) { 16710 PreferredActivity cur = existing.get(0); 16711 if (DEBUG_PREFERRED) { 16712 Slog.i(TAG, "Checking replace of preferred:"); 16713 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16714 if (!cur.mPref.mAlways) { 16715 Slog.i(TAG, " -- CUR; not mAlways!"); 16716 } else { 16717 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16718 Slog.i(TAG, " -- CUR: mSet=" 16719 + Arrays.toString(cur.mPref.mSetComponents)); 16720 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16721 Slog.i(TAG, " -- NEW: mMatch=" 16722 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16723 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16724 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16725 } 16726 } 16727 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16728 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16729 && cur.mPref.sameSet(set)) { 16730 // Setting the preferred activity to what it happens to be already 16731 if (DEBUG_PREFERRED) { 16732 Slog.i(TAG, "Replacing with same preferred activity " 16733 + cur.mPref.mShortComponent + " for user " 16734 + userId + ":"); 16735 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16736 } 16737 return; 16738 } 16739 } 16740 16741 if (existing != null) { 16742 if (DEBUG_PREFERRED) { 16743 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16744 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16745 } 16746 for (int i = 0; i < existing.size(); i++) { 16747 PreferredActivity pa = existing.get(i); 16748 if (DEBUG_PREFERRED) { 16749 Slog.i(TAG, "Removing existing preferred activity " 16750 + pa.mPref.mComponent + ":"); 16751 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16752 } 16753 pir.removeFilter(pa); 16754 } 16755 } 16756 } 16757 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16758 "Replacing preferred"); 16759 } 16760 } 16761 16762 @Override 16763 public void clearPackagePreferredActivities(String packageName) { 16764 final int uid = Binder.getCallingUid(); 16765 // writer 16766 synchronized (mPackages) { 16767 PackageParser.Package pkg = mPackages.get(packageName); 16768 if (pkg == null || pkg.applicationInfo.uid != uid) { 16769 if (mContext.checkCallingOrSelfPermission( 16770 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16771 != PackageManager.PERMISSION_GRANTED) { 16772 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16773 < Build.VERSION_CODES.FROYO) { 16774 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16775 + Binder.getCallingUid()); 16776 return; 16777 } 16778 mContext.enforceCallingOrSelfPermission( 16779 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16780 } 16781 } 16782 16783 int user = UserHandle.getCallingUserId(); 16784 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16785 scheduleWritePackageRestrictionsLocked(user); 16786 } 16787 } 16788 } 16789 16790 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16791 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16792 ArrayList<PreferredActivity> removed = null; 16793 boolean changed = false; 16794 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16795 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16796 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16797 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16798 continue; 16799 } 16800 Iterator<PreferredActivity> it = pir.filterIterator(); 16801 while (it.hasNext()) { 16802 PreferredActivity pa = it.next(); 16803 // Mark entry for removal only if it matches the package name 16804 // and the entry is of type "always". 16805 if (packageName == null || 16806 (pa.mPref.mComponent.getPackageName().equals(packageName) 16807 && pa.mPref.mAlways)) { 16808 if (removed == null) { 16809 removed = new ArrayList<PreferredActivity>(); 16810 } 16811 removed.add(pa); 16812 } 16813 } 16814 if (removed != null) { 16815 for (int j=0; j<removed.size(); j++) { 16816 PreferredActivity pa = removed.get(j); 16817 pir.removeFilter(pa); 16818 } 16819 changed = true; 16820 } 16821 } 16822 return changed; 16823 } 16824 16825 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16826 private void clearIntentFilterVerificationsLPw(int userId) { 16827 final int packageCount = mPackages.size(); 16828 for (int i = 0; i < packageCount; i++) { 16829 PackageParser.Package pkg = mPackages.valueAt(i); 16830 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16831 } 16832 } 16833 16834 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16835 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16836 if (userId == UserHandle.USER_ALL) { 16837 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16838 sUserManager.getUserIds())) { 16839 for (int oneUserId : sUserManager.getUserIds()) { 16840 scheduleWritePackageRestrictionsLocked(oneUserId); 16841 } 16842 } 16843 } else { 16844 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16845 scheduleWritePackageRestrictionsLocked(userId); 16846 } 16847 } 16848 } 16849 16850 void clearDefaultBrowserIfNeeded(String packageName) { 16851 for (int oneUserId : sUserManager.getUserIds()) { 16852 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16853 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16854 if (packageName.equals(defaultBrowserPackageName)) { 16855 setDefaultBrowserPackageName(null, oneUserId); 16856 } 16857 } 16858 } 16859 16860 @Override 16861 public void resetApplicationPreferences(int userId) { 16862 mContext.enforceCallingOrSelfPermission( 16863 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16864 final long identity = Binder.clearCallingIdentity(); 16865 // writer 16866 try { 16867 synchronized (mPackages) { 16868 clearPackagePreferredActivitiesLPw(null, userId); 16869 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16870 // TODO: We have to reset the default SMS and Phone. This requires 16871 // significant refactoring to keep all default apps in the package 16872 // manager (cleaner but more work) or have the services provide 16873 // callbacks to the package manager to request a default app reset. 16874 applyFactoryDefaultBrowserLPw(userId); 16875 clearIntentFilterVerificationsLPw(userId); 16876 primeDomainVerificationsLPw(userId); 16877 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16878 scheduleWritePackageRestrictionsLocked(userId); 16879 } 16880 resetNetworkPolicies(userId); 16881 } finally { 16882 Binder.restoreCallingIdentity(identity); 16883 } 16884 } 16885 16886 @Override 16887 public int getPreferredActivities(List<IntentFilter> outFilters, 16888 List<ComponentName> outActivities, String packageName) { 16889 16890 int num = 0; 16891 final int userId = UserHandle.getCallingUserId(); 16892 // reader 16893 synchronized (mPackages) { 16894 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16895 if (pir != null) { 16896 final Iterator<PreferredActivity> it = pir.filterIterator(); 16897 while (it.hasNext()) { 16898 final PreferredActivity pa = it.next(); 16899 if (packageName == null 16900 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16901 && pa.mPref.mAlways)) { 16902 if (outFilters != null) { 16903 outFilters.add(new IntentFilter(pa)); 16904 } 16905 if (outActivities != null) { 16906 outActivities.add(pa.mPref.mComponent); 16907 } 16908 } 16909 } 16910 } 16911 } 16912 16913 return num; 16914 } 16915 16916 @Override 16917 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16918 int userId) { 16919 int callingUid = Binder.getCallingUid(); 16920 if (callingUid != Process.SYSTEM_UID) { 16921 throw new SecurityException( 16922 "addPersistentPreferredActivity can only be run by the system"); 16923 } 16924 if (filter.countActions() == 0) { 16925 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16926 return; 16927 } 16928 synchronized (mPackages) { 16929 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16930 ":"); 16931 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16932 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16933 new PersistentPreferredActivity(filter, activity)); 16934 scheduleWritePackageRestrictionsLocked(userId); 16935 } 16936 } 16937 16938 @Override 16939 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16940 int callingUid = Binder.getCallingUid(); 16941 if (callingUid != Process.SYSTEM_UID) { 16942 throw new SecurityException( 16943 "clearPackagePersistentPreferredActivities can only be run by the system"); 16944 } 16945 ArrayList<PersistentPreferredActivity> removed = null; 16946 boolean changed = false; 16947 synchronized (mPackages) { 16948 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16949 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16950 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16951 .valueAt(i); 16952 if (userId != thisUserId) { 16953 continue; 16954 } 16955 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16956 while (it.hasNext()) { 16957 PersistentPreferredActivity ppa = it.next(); 16958 // Mark entry for removal only if it matches the package name. 16959 if (ppa.mComponent.getPackageName().equals(packageName)) { 16960 if (removed == null) { 16961 removed = new ArrayList<PersistentPreferredActivity>(); 16962 } 16963 removed.add(ppa); 16964 } 16965 } 16966 if (removed != null) { 16967 for (int j=0; j<removed.size(); j++) { 16968 PersistentPreferredActivity ppa = removed.get(j); 16969 ppir.removeFilter(ppa); 16970 } 16971 changed = true; 16972 } 16973 } 16974 16975 if (changed) { 16976 scheduleWritePackageRestrictionsLocked(userId); 16977 } 16978 } 16979 } 16980 16981 /** 16982 * Common machinery for picking apart a restored XML blob and passing 16983 * it to a caller-supplied functor to be applied to the running system. 16984 */ 16985 private void restoreFromXml(XmlPullParser parser, int userId, 16986 String expectedStartTag, BlobXmlRestorer functor) 16987 throws IOException, XmlPullParserException { 16988 int type; 16989 while ((type = parser.next()) != XmlPullParser.START_TAG 16990 && type != XmlPullParser.END_DOCUMENT) { 16991 } 16992 if (type != XmlPullParser.START_TAG) { 16993 // oops didn't find a start tag?! 16994 if (DEBUG_BACKUP) { 16995 Slog.e(TAG, "Didn't find start tag during restore"); 16996 } 16997 return; 16998 } 16999Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17000 // this is supposed to be TAG_PREFERRED_BACKUP 17001 if (!expectedStartTag.equals(parser.getName())) { 17002 if (DEBUG_BACKUP) { 17003 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17004 } 17005 return; 17006 } 17007 17008 // skip interfering stuff, then we're aligned with the backing implementation 17009 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17010Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17011 functor.apply(parser, userId); 17012 } 17013 17014 private interface BlobXmlRestorer { 17015 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17016 } 17017 17018 /** 17019 * Non-Binder method, support for the backup/restore mechanism: write the 17020 * full set of preferred activities in its canonical XML format. Returns the 17021 * XML output as a byte array, or null if there is none. 17022 */ 17023 @Override 17024 public byte[] getPreferredActivityBackup(int userId) { 17025 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17026 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17027 } 17028 17029 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17030 try { 17031 final XmlSerializer serializer = new FastXmlSerializer(); 17032 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17033 serializer.startDocument(null, true); 17034 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17035 17036 synchronized (mPackages) { 17037 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17038 } 17039 17040 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17041 serializer.endDocument(); 17042 serializer.flush(); 17043 } catch (Exception e) { 17044 if (DEBUG_BACKUP) { 17045 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17046 } 17047 return null; 17048 } 17049 17050 return dataStream.toByteArray(); 17051 } 17052 17053 @Override 17054 public void restorePreferredActivities(byte[] backup, int userId) { 17055 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17056 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17057 } 17058 17059 try { 17060 final XmlPullParser parser = Xml.newPullParser(); 17061 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17062 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17063 new BlobXmlRestorer() { 17064 @Override 17065 public void apply(XmlPullParser parser, int userId) 17066 throws XmlPullParserException, IOException { 17067 synchronized (mPackages) { 17068 mSettings.readPreferredActivitiesLPw(parser, userId); 17069 } 17070 } 17071 } ); 17072 } catch (Exception e) { 17073 if (DEBUG_BACKUP) { 17074 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17075 } 17076 } 17077 } 17078 17079 /** 17080 * Non-Binder method, support for the backup/restore mechanism: write the 17081 * default browser (etc) settings in its canonical XML format. Returns the default 17082 * browser XML representation as a byte array, or null if there is none. 17083 */ 17084 @Override 17085 public byte[] getDefaultAppsBackup(int userId) { 17086 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17087 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17088 } 17089 17090 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17091 try { 17092 final XmlSerializer serializer = new FastXmlSerializer(); 17093 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17094 serializer.startDocument(null, true); 17095 serializer.startTag(null, TAG_DEFAULT_APPS); 17096 17097 synchronized (mPackages) { 17098 mSettings.writeDefaultAppsLPr(serializer, userId); 17099 } 17100 17101 serializer.endTag(null, TAG_DEFAULT_APPS); 17102 serializer.endDocument(); 17103 serializer.flush(); 17104 } catch (Exception e) { 17105 if (DEBUG_BACKUP) { 17106 Slog.e(TAG, "Unable to write default apps for backup", e); 17107 } 17108 return null; 17109 } 17110 17111 return dataStream.toByteArray(); 17112 } 17113 17114 @Override 17115 public void restoreDefaultApps(byte[] backup, int userId) { 17116 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17117 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17118 } 17119 17120 try { 17121 final XmlPullParser parser = Xml.newPullParser(); 17122 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17123 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17124 new BlobXmlRestorer() { 17125 @Override 17126 public void apply(XmlPullParser parser, int userId) 17127 throws XmlPullParserException, IOException { 17128 synchronized (mPackages) { 17129 mSettings.readDefaultAppsLPw(parser, userId); 17130 } 17131 } 17132 } ); 17133 } catch (Exception e) { 17134 if (DEBUG_BACKUP) { 17135 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17136 } 17137 } 17138 } 17139 17140 @Override 17141 public byte[] getIntentFilterVerificationBackup(int userId) { 17142 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17143 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17144 } 17145 17146 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17147 try { 17148 final XmlSerializer serializer = new FastXmlSerializer(); 17149 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17150 serializer.startDocument(null, true); 17151 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17152 17153 synchronized (mPackages) { 17154 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17155 } 17156 17157 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17158 serializer.endDocument(); 17159 serializer.flush(); 17160 } catch (Exception e) { 17161 if (DEBUG_BACKUP) { 17162 Slog.e(TAG, "Unable to write default apps for backup", e); 17163 } 17164 return null; 17165 } 17166 17167 return dataStream.toByteArray(); 17168 } 17169 17170 @Override 17171 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17172 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17173 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17174 } 17175 17176 try { 17177 final XmlPullParser parser = Xml.newPullParser(); 17178 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17179 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17180 new BlobXmlRestorer() { 17181 @Override 17182 public void apply(XmlPullParser parser, int userId) 17183 throws XmlPullParserException, IOException { 17184 synchronized (mPackages) { 17185 mSettings.readAllDomainVerificationsLPr(parser, userId); 17186 mSettings.writeLPr(); 17187 } 17188 } 17189 } ); 17190 } catch (Exception e) { 17191 if (DEBUG_BACKUP) { 17192 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17193 } 17194 } 17195 } 17196 17197 @Override 17198 public byte[] getPermissionGrantBackup(int userId) { 17199 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17200 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17201 } 17202 17203 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17204 try { 17205 final XmlSerializer serializer = new FastXmlSerializer(); 17206 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17207 serializer.startDocument(null, true); 17208 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17209 17210 synchronized (mPackages) { 17211 serializeRuntimePermissionGrantsLPr(serializer, userId); 17212 } 17213 17214 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17215 serializer.endDocument(); 17216 serializer.flush(); 17217 } catch (Exception e) { 17218 if (DEBUG_BACKUP) { 17219 Slog.e(TAG, "Unable to write default apps for backup", e); 17220 } 17221 return null; 17222 } 17223 17224 return dataStream.toByteArray(); 17225 } 17226 17227 @Override 17228 public void restorePermissionGrants(byte[] backup, int userId) { 17229 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17230 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17231 } 17232 17233 try { 17234 final XmlPullParser parser = Xml.newPullParser(); 17235 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17236 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17237 new BlobXmlRestorer() { 17238 @Override 17239 public void apply(XmlPullParser parser, int userId) 17240 throws XmlPullParserException, IOException { 17241 synchronized (mPackages) { 17242 processRestoredPermissionGrantsLPr(parser, userId); 17243 } 17244 } 17245 } ); 17246 } catch (Exception e) { 17247 if (DEBUG_BACKUP) { 17248 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17249 } 17250 } 17251 } 17252 17253 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17254 throws IOException { 17255 serializer.startTag(null, TAG_ALL_GRANTS); 17256 17257 final int N = mSettings.mPackages.size(); 17258 for (int i = 0; i < N; i++) { 17259 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17260 boolean pkgGrantsKnown = false; 17261 17262 PermissionsState packagePerms = ps.getPermissionsState(); 17263 17264 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17265 final int grantFlags = state.getFlags(); 17266 // only look at grants that are not system/policy fixed 17267 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17268 final boolean isGranted = state.isGranted(); 17269 // And only back up the user-twiddled state bits 17270 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17271 final String packageName = mSettings.mPackages.keyAt(i); 17272 if (!pkgGrantsKnown) { 17273 serializer.startTag(null, TAG_GRANT); 17274 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17275 pkgGrantsKnown = true; 17276 } 17277 17278 final boolean userSet = 17279 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17280 final boolean userFixed = 17281 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17282 final boolean revoke = 17283 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17284 17285 serializer.startTag(null, TAG_PERMISSION); 17286 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17287 if (isGranted) { 17288 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17289 } 17290 if (userSet) { 17291 serializer.attribute(null, ATTR_USER_SET, "true"); 17292 } 17293 if (userFixed) { 17294 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17295 } 17296 if (revoke) { 17297 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17298 } 17299 serializer.endTag(null, TAG_PERMISSION); 17300 } 17301 } 17302 } 17303 17304 if (pkgGrantsKnown) { 17305 serializer.endTag(null, TAG_GRANT); 17306 } 17307 } 17308 17309 serializer.endTag(null, TAG_ALL_GRANTS); 17310 } 17311 17312 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17313 throws XmlPullParserException, IOException { 17314 String pkgName = null; 17315 int outerDepth = parser.getDepth(); 17316 int type; 17317 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17318 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17319 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17320 continue; 17321 } 17322 17323 final String tagName = parser.getName(); 17324 if (tagName.equals(TAG_GRANT)) { 17325 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17326 if (DEBUG_BACKUP) { 17327 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17328 } 17329 } else if (tagName.equals(TAG_PERMISSION)) { 17330 17331 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17332 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17333 17334 int newFlagSet = 0; 17335 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17336 newFlagSet |= FLAG_PERMISSION_USER_SET; 17337 } 17338 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17339 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17340 } 17341 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17342 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17343 } 17344 if (DEBUG_BACKUP) { 17345 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17346 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17347 } 17348 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17349 if (ps != null) { 17350 // Already installed so we apply the grant immediately 17351 if (DEBUG_BACKUP) { 17352 Slog.v(TAG, " + already installed; applying"); 17353 } 17354 PermissionsState perms = ps.getPermissionsState(); 17355 BasePermission bp = mSettings.mPermissions.get(permName); 17356 if (bp != null) { 17357 if (isGranted) { 17358 perms.grantRuntimePermission(bp, userId); 17359 } 17360 if (newFlagSet != 0) { 17361 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17362 } 17363 } 17364 } else { 17365 // Need to wait for post-restore install to apply the grant 17366 if (DEBUG_BACKUP) { 17367 Slog.v(TAG, " - not yet installed; saving for later"); 17368 } 17369 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17370 isGranted, newFlagSet, userId); 17371 } 17372 } else { 17373 PackageManagerService.reportSettingsProblem(Log.WARN, 17374 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17375 XmlUtils.skipCurrentTag(parser); 17376 } 17377 } 17378 17379 scheduleWriteSettingsLocked(); 17380 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17381 } 17382 17383 @Override 17384 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17385 int sourceUserId, int targetUserId, int flags) { 17386 mContext.enforceCallingOrSelfPermission( 17387 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17388 int callingUid = Binder.getCallingUid(); 17389 enforceOwnerRights(ownerPackage, callingUid); 17390 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17391 if (intentFilter.countActions() == 0) { 17392 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17393 return; 17394 } 17395 synchronized (mPackages) { 17396 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17397 ownerPackage, targetUserId, flags); 17398 CrossProfileIntentResolver resolver = 17399 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17400 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17401 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17402 if (existing != null) { 17403 int size = existing.size(); 17404 for (int i = 0; i < size; i++) { 17405 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17406 return; 17407 } 17408 } 17409 } 17410 resolver.addFilter(newFilter); 17411 scheduleWritePackageRestrictionsLocked(sourceUserId); 17412 } 17413 } 17414 17415 @Override 17416 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17417 mContext.enforceCallingOrSelfPermission( 17418 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17419 int callingUid = Binder.getCallingUid(); 17420 enforceOwnerRights(ownerPackage, callingUid); 17421 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17422 synchronized (mPackages) { 17423 CrossProfileIntentResolver resolver = 17424 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17425 ArraySet<CrossProfileIntentFilter> set = 17426 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17427 for (CrossProfileIntentFilter filter : set) { 17428 if (filter.getOwnerPackage().equals(ownerPackage)) { 17429 resolver.removeFilter(filter); 17430 } 17431 } 17432 scheduleWritePackageRestrictionsLocked(sourceUserId); 17433 } 17434 } 17435 17436 // Enforcing that callingUid is owning pkg on userId 17437 private void enforceOwnerRights(String pkg, int callingUid) { 17438 // The system owns everything. 17439 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17440 return; 17441 } 17442 int callingUserId = UserHandle.getUserId(callingUid); 17443 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17444 if (pi == null) { 17445 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17446 + callingUserId); 17447 } 17448 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17449 throw new SecurityException("Calling uid " + callingUid 17450 + " does not own package " + pkg); 17451 } 17452 } 17453 17454 @Override 17455 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17456 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17457 } 17458 17459 private Intent getHomeIntent() { 17460 Intent intent = new Intent(Intent.ACTION_MAIN); 17461 intent.addCategory(Intent.CATEGORY_HOME); 17462 return intent; 17463 } 17464 17465 private IntentFilter getHomeFilter() { 17466 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17467 filter.addCategory(Intent.CATEGORY_HOME); 17468 filter.addCategory(Intent.CATEGORY_DEFAULT); 17469 return filter; 17470 } 17471 17472 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17473 int userId) { 17474 Intent intent = getHomeIntent(); 17475 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17476 PackageManager.GET_META_DATA, userId); 17477 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17478 true, false, false, userId); 17479 17480 allHomeCandidates.clear(); 17481 if (list != null) { 17482 for (ResolveInfo ri : list) { 17483 allHomeCandidates.add(ri); 17484 } 17485 } 17486 return (preferred == null || preferred.activityInfo == null) 17487 ? null 17488 : new ComponentName(preferred.activityInfo.packageName, 17489 preferred.activityInfo.name); 17490 } 17491 17492 @Override 17493 public void setHomeActivity(ComponentName comp, int userId) { 17494 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17495 getHomeActivitiesAsUser(homeActivities, userId); 17496 17497 boolean found = false; 17498 17499 final int size = homeActivities.size(); 17500 final ComponentName[] set = new ComponentName[size]; 17501 for (int i = 0; i < size; i++) { 17502 final ResolveInfo candidate = homeActivities.get(i); 17503 final ActivityInfo info = candidate.activityInfo; 17504 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17505 set[i] = activityName; 17506 if (!found && activityName.equals(comp)) { 17507 found = true; 17508 } 17509 } 17510 if (!found) { 17511 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17512 + userId); 17513 } 17514 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17515 set, comp, userId); 17516 } 17517 17518 private @Nullable String getSetupWizardPackageName() { 17519 final Intent intent = new Intent(Intent.ACTION_MAIN); 17520 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17521 17522 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17523 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17524 | MATCH_DISABLED_COMPONENTS, 17525 UserHandle.myUserId()); 17526 if (matches.size() == 1) { 17527 return matches.get(0).getComponentInfo().packageName; 17528 } else { 17529 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17530 + ": matches=" + matches); 17531 return null; 17532 } 17533 } 17534 17535 @Override 17536 public void setApplicationEnabledSetting(String appPackageName, 17537 int newState, int flags, int userId, String callingPackage) { 17538 if (!sUserManager.exists(userId)) return; 17539 if (callingPackage == null) { 17540 callingPackage = Integer.toString(Binder.getCallingUid()); 17541 } 17542 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17543 } 17544 17545 @Override 17546 public void setComponentEnabledSetting(ComponentName componentName, 17547 int newState, int flags, int userId) { 17548 if (!sUserManager.exists(userId)) return; 17549 setEnabledSetting(componentName.getPackageName(), 17550 componentName.getClassName(), newState, flags, userId, null); 17551 } 17552 17553 private void setEnabledSetting(final String packageName, String className, int newState, 17554 final int flags, int userId, String callingPackage) { 17555 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17556 || newState == COMPONENT_ENABLED_STATE_ENABLED 17557 || newState == COMPONENT_ENABLED_STATE_DISABLED 17558 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17559 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17560 throw new IllegalArgumentException("Invalid new component state: " 17561 + newState); 17562 } 17563 PackageSetting pkgSetting; 17564 final int uid = Binder.getCallingUid(); 17565 final int permission; 17566 if (uid == Process.SYSTEM_UID) { 17567 permission = PackageManager.PERMISSION_GRANTED; 17568 } else { 17569 permission = mContext.checkCallingOrSelfPermission( 17570 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17571 } 17572 enforceCrossUserPermission(uid, userId, 17573 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17574 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17575 boolean sendNow = false; 17576 boolean isApp = (className == null); 17577 String componentName = isApp ? packageName : className; 17578 int packageUid = -1; 17579 ArrayList<String> components; 17580 17581 // writer 17582 synchronized (mPackages) { 17583 pkgSetting = mSettings.mPackages.get(packageName); 17584 if (pkgSetting == null) { 17585 if (className == null) { 17586 throw new IllegalArgumentException("Unknown package: " + packageName); 17587 } 17588 throw new IllegalArgumentException( 17589 "Unknown component: " + packageName + "/" + className); 17590 } 17591 } 17592 17593 // Limit who can change which apps 17594 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17595 // Don't allow apps that don't have permission to modify other apps 17596 if (!allowedByPermission) { 17597 throw new SecurityException( 17598 "Permission Denial: attempt to change component state from pid=" 17599 + Binder.getCallingPid() 17600 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17601 } 17602 // Don't allow changing profile and device owners. 17603 if (mProtectedPackages.canPackageStateBeChanged(userId, packageName)) { 17604 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17605 } 17606 } 17607 17608 synchronized (mPackages) { 17609 if (uid == Process.SHELL_UID) { 17610 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17611 int oldState = pkgSetting.getEnabled(userId); 17612 if (className == null 17613 && 17614 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17615 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17616 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17617 && 17618 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17619 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17620 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17621 // ok 17622 } else { 17623 throw new SecurityException( 17624 "Shell cannot change component state for " + packageName + "/" 17625 + className + " to " + newState); 17626 } 17627 } 17628 if (className == null) { 17629 // We're dealing with an application/package level state change 17630 if (pkgSetting.getEnabled(userId) == newState) { 17631 // Nothing to do 17632 return; 17633 } 17634 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17635 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17636 // Don't care about who enables an app. 17637 callingPackage = null; 17638 } 17639 pkgSetting.setEnabled(newState, userId, callingPackage); 17640 // pkgSetting.pkg.mSetEnabled = newState; 17641 } else { 17642 // We're dealing with a component level state change 17643 // First, verify that this is a valid class name. 17644 PackageParser.Package pkg = pkgSetting.pkg; 17645 if (pkg == null || !pkg.hasComponentClassName(className)) { 17646 if (pkg != null && 17647 pkg.applicationInfo.targetSdkVersion >= 17648 Build.VERSION_CODES.JELLY_BEAN) { 17649 throw new IllegalArgumentException("Component class " + className 17650 + " does not exist in " + packageName); 17651 } else { 17652 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17653 + className + " does not exist in " + packageName); 17654 } 17655 } 17656 switch (newState) { 17657 case COMPONENT_ENABLED_STATE_ENABLED: 17658 if (!pkgSetting.enableComponentLPw(className, userId)) { 17659 return; 17660 } 17661 break; 17662 case COMPONENT_ENABLED_STATE_DISABLED: 17663 if (!pkgSetting.disableComponentLPw(className, userId)) { 17664 return; 17665 } 17666 break; 17667 case COMPONENT_ENABLED_STATE_DEFAULT: 17668 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17669 return; 17670 } 17671 break; 17672 default: 17673 Slog.e(TAG, "Invalid new component state: " + newState); 17674 return; 17675 } 17676 } 17677 scheduleWritePackageRestrictionsLocked(userId); 17678 components = mPendingBroadcasts.get(userId, packageName); 17679 final boolean newPackage = components == null; 17680 if (newPackage) { 17681 components = new ArrayList<String>(); 17682 } 17683 if (!components.contains(componentName)) { 17684 components.add(componentName); 17685 } 17686 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17687 sendNow = true; 17688 // Purge entry from pending broadcast list if another one exists already 17689 // since we are sending one right away. 17690 mPendingBroadcasts.remove(userId, packageName); 17691 } else { 17692 if (newPackage) { 17693 mPendingBroadcasts.put(userId, packageName, components); 17694 } 17695 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17696 // Schedule a message 17697 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17698 } 17699 } 17700 } 17701 17702 long callingId = Binder.clearCallingIdentity(); 17703 try { 17704 if (sendNow) { 17705 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17706 sendPackageChangedBroadcast(packageName, 17707 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17708 } 17709 } finally { 17710 Binder.restoreCallingIdentity(callingId); 17711 } 17712 } 17713 17714 @Override 17715 public void flushPackageRestrictionsAsUser(int userId) { 17716 if (!sUserManager.exists(userId)) { 17717 return; 17718 } 17719 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17720 false /* checkShell */, "flushPackageRestrictions"); 17721 synchronized (mPackages) { 17722 mSettings.writePackageRestrictionsLPr(userId); 17723 mDirtyUsers.remove(userId); 17724 if (mDirtyUsers.isEmpty()) { 17725 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17726 } 17727 } 17728 } 17729 17730 private void sendPackageChangedBroadcast(String packageName, 17731 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17732 if (DEBUG_INSTALL) 17733 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17734 + componentNames); 17735 Bundle extras = new Bundle(4); 17736 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17737 String nameList[] = new String[componentNames.size()]; 17738 componentNames.toArray(nameList); 17739 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17740 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17741 extras.putInt(Intent.EXTRA_UID, packageUid); 17742 // If this is not reporting a change of the overall package, then only send it 17743 // to registered receivers. We don't want to launch a swath of apps for every 17744 // little component state change. 17745 final int flags = !componentNames.contains(packageName) 17746 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17747 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17748 new int[] {UserHandle.getUserId(packageUid)}); 17749 } 17750 17751 @Override 17752 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17753 if (!sUserManager.exists(userId)) return; 17754 final int uid = Binder.getCallingUid(); 17755 final int permission = mContext.checkCallingOrSelfPermission( 17756 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17757 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17758 enforceCrossUserPermission(uid, userId, 17759 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17760 // writer 17761 synchronized (mPackages) { 17762 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17763 allowedByPermission, uid, userId)) { 17764 scheduleWritePackageRestrictionsLocked(userId); 17765 } 17766 } 17767 } 17768 17769 @Override 17770 public String getInstallerPackageName(String packageName) { 17771 // reader 17772 synchronized (mPackages) { 17773 return mSettings.getInstallerPackageNameLPr(packageName); 17774 } 17775 } 17776 17777 public boolean isOrphaned(String packageName) { 17778 // reader 17779 synchronized (mPackages) { 17780 return mSettings.isOrphaned(packageName); 17781 } 17782 } 17783 17784 @Override 17785 public int getApplicationEnabledSetting(String packageName, int userId) { 17786 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17787 int uid = Binder.getCallingUid(); 17788 enforceCrossUserPermission(uid, userId, 17789 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17790 // reader 17791 synchronized (mPackages) { 17792 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17793 } 17794 } 17795 17796 @Override 17797 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17798 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17799 int uid = Binder.getCallingUid(); 17800 enforceCrossUserPermission(uid, userId, 17801 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17802 // reader 17803 synchronized (mPackages) { 17804 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17805 } 17806 } 17807 17808 @Override 17809 public void enterSafeMode() { 17810 enforceSystemOrRoot("Only the system can request entering safe mode"); 17811 17812 if (!mSystemReady) { 17813 mSafeMode = true; 17814 } 17815 } 17816 17817 @Override 17818 public void systemReady() { 17819 mSystemReady = true; 17820 17821 // Read the compatibilty setting when the system is ready. 17822 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17823 mContext.getContentResolver(), 17824 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17825 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17826 if (DEBUG_SETTINGS) { 17827 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17828 } 17829 17830 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17831 17832 synchronized (mPackages) { 17833 // Verify that all of the preferred activity components actually 17834 // exist. It is possible for applications to be updated and at 17835 // that point remove a previously declared activity component that 17836 // had been set as a preferred activity. We try to clean this up 17837 // the next time we encounter that preferred activity, but it is 17838 // possible for the user flow to never be able to return to that 17839 // situation so here we do a sanity check to make sure we haven't 17840 // left any junk around. 17841 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17842 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17843 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17844 removed.clear(); 17845 for (PreferredActivity pa : pir.filterSet()) { 17846 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17847 removed.add(pa); 17848 } 17849 } 17850 if (removed.size() > 0) { 17851 for (int r=0; r<removed.size(); r++) { 17852 PreferredActivity pa = removed.get(r); 17853 Slog.w(TAG, "Removing dangling preferred activity: " 17854 + pa.mPref.mComponent); 17855 pir.removeFilter(pa); 17856 } 17857 mSettings.writePackageRestrictionsLPr( 17858 mSettings.mPreferredActivities.keyAt(i)); 17859 } 17860 } 17861 17862 for (int userId : UserManagerService.getInstance().getUserIds()) { 17863 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17864 grantPermissionsUserIds = ArrayUtils.appendInt( 17865 grantPermissionsUserIds, userId); 17866 } 17867 } 17868 } 17869 sUserManager.systemReady(); 17870 17871 // If we upgraded grant all default permissions before kicking off. 17872 for (int userId : grantPermissionsUserIds) { 17873 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17874 } 17875 17876 // Kick off any messages waiting for system ready 17877 if (mPostSystemReadyMessages != null) { 17878 for (Message msg : mPostSystemReadyMessages) { 17879 msg.sendToTarget(); 17880 } 17881 mPostSystemReadyMessages = null; 17882 } 17883 17884 // Watch for external volumes that come and go over time 17885 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17886 storage.registerListener(mStorageListener); 17887 17888 mInstallerService.systemReady(); 17889 mPackageDexOptimizer.systemReady(); 17890 17891 MountServiceInternal mountServiceInternal = LocalServices.getService( 17892 MountServiceInternal.class); 17893 mountServiceInternal.addExternalStoragePolicy( 17894 new MountServiceInternal.ExternalStorageMountPolicy() { 17895 @Override 17896 public int getMountMode(int uid, String packageName) { 17897 if (Process.isIsolated(uid)) { 17898 return Zygote.MOUNT_EXTERNAL_NONE; 17899 } 17900 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17901 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17902 } 17903 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17904 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17905 } 17906 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17907 return Zygote.MOUNT_EXTERNAL_READ; 17908 } 17909 return Zygote.MOUNT_EXTERNAL_WRITE; 17910 } 17911 17912 @Override 17913 public boolean hasExternalStorage(int uid, String packageName) { 17914 return true; 17915 } 17916 }); 17917 17918 // Now that we're mostly running, clean up stale users and apps 17919 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17920 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17921 } 17922 17923 @Override 17924 public boolean isSafeMode() { 17925 return mSafeMode; 17926 } 17927 17928 @Override 17929 public boolean hasSystemUidErrors() { 17930 return mHasSystemUidErrors; 17931 } 17932 17933 static String arrayToString(int[] array) { 17934 StringBuffer buf = new StringBuffer(128); 17935 buf.append('['); 17936 if (array != null) { 17937 for (int i=0; i<array.length; i++) { 17938 if (i > 0) buf.append(", "); 17939 buf.append(array[i]); 17940 } 17941 } 17942 buf.append(']'); 17943 return buf.toString(); 17944 } 17945 17946 static class DumpState { 17947 public static final int DUMP_LIBS = 1 << 0; 17948 public static final int DUMP_FEATURES = 1 << 1; 17949 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17950 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17951 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17952 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17953 public static final int DUMP_PERMISSIONS = 1 << 6; 17954 public static final int DUMP_PACKAGES = 1 << 7; 17955 public static final int DUMP_SHARED_USERS = 1 << 8; 17956 public static final int DUMP_MESSAGES = 1 << 9; 17957 public static final int DUMP_PROVIDERS = 1 << 10; 17958 public static final int DUMP_VERIFIERS = 1 << 11; 17959 public static final int DUMP_PREFERRED = 1 << 12; 17960 public static final int DUMP_PREFERRED_XML = 1 << 13; 17961 public static final int DUMP_KEYSETS = 1 << 14; 17962 public static final int DUMP_VERSION = 1 << 15; 17963 public static final int DUMP_INSTALLS = 1 << 16; 17964 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17965 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17966 public static final int DUMP_FROZEN = 1 << 19; 17967 public static final int DUMP_DEXOPT = 1 << 20; 17968 public static final int DUMP_COMPILER_STATS = 1 << 21; 17969 17970 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17971 17972 private int mTypes; 17973 17974 private int mOptions; 17975 17976 private boolean mTitlePrinted; 17977 17978 private SharedUserSetting mSharedUser; 17979 17980 public boolean isDumping(int type) { 17981 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17982 return true; 17983 } 17984 17985 return (mTypes & type) != 0; 17986 } 17987 17988 public void setDump(int type) { 17989 mTypes |= type; 17990 } 17991 17992 public boolean isOptionEnabled(int option) { 17993 return (mOptions & option) != 0; 17994 } 17995 17996 public void setOptionEnabled(int option) { 17997 mOptions |= option; 17998 } 17999 18000 public boolean onTitlePrinted() { 18001 final boolean printed = mTitlePrinted; 18002 mTitlePrinted = true; 18003 return printed; 18004 } 18005 18006 public boolean getTitlePrinted() { 18007 return mTitlePrinted; 18008 } 18009 18010 public void setTitlePrinted(boolean enabled) { 18011 mTitlePrinted = enabled; 18012 } 18013 18014 public SharedUserSetting getSharedUser() { 18015 return mSharedUser; 18016 } 18017 18018 public void setSharedUser(SharedUserSetting user) { 18019 mSharedUser = user; 18020 } 18021 } 18022 18023 @Override 18024 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18025 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18026 (new PackageManagerShellCommand(this)).exec( 18027 this, in, out, err, args, resultReceiver); 18028 } 18029 18030 @Override 18031 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18032 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18033 != PackageManager.PERMISSION_GRANTED) { 18034 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18035 + Binder.getCallingPid() 18036 + ", uid=" + Binder.getCallingUid() 18037 + " without permission " 18038 + android.Manifest.permission.DUMP); 18039 return; 18040 } 18041 18042 DumpState dumpState = new DumpState(); 18043 boolean fullPreferred = false; 18044 boolean checkin = false; 18045 18046 String packageName = null; 18047 ArraySet<String> permissionNames = null; 18048 18049 int opti = 0; 18050 while (opti < args.length) { 18051 String opt = args[opti]; 18052 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18053 break; 18054 } 18055 opti++; 18056 18057 if ("-a".equals(opt)) { 18058 // Right now we only know how to print all. 18059 } else if ("-h".equals(opt)) { 18060 pw.println("Package manager dump options:"); 18061 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18062 pw.println(" --checkin: dump for a checkin"); 18063 pw.println(" -f: print details of intent filters"); 18064 pw.println(" -h: print this help"); 18065 pw.println(" cmd may be one of:"); 18066 pw.println(" l[ibraries]: list known shared libraries"); 18067 pw.println(" f[eatures]: list device features"); 18068 pw.println(" k[eysets]: print known keysets"); 18069 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18070 pw.println(" perm[issions]: dump permissions"); 18071 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18072 pw.println(" pref[erred]: print preferred package settings"); 18073 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18074 pw.println(" prov[iders]: dump content providers"); 18075 pw.println(" p[ackages]: dump installed packages"); 18076 pw.println(" s[hared-users]: dump shared user IDs"); 18077 pw.println(" m[essages]: print collected runtime messages"); 18078 pw.println(" v[erifiers]: print package verifier info"); 18079 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18080 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18081 pw.println(" version: print database version info"); 18082 pw.println(" write: write current settings now"); 18083 pw.println(" installs: details about install sessions"); 18084 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18085 pw.println(" dexopt: dump dexopt state"); 18086 pw.println(" compiler-stats: dump compiler statistics"); 18087 pw.println(" <package.name>: info about given package"); 18088 return; 18089 } else if ("--checkin".equals(opt)) { 18090 checkin = true; 18091 } else if ("-f".equals(opt)) { 18092 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18093 } else { 18094 pw.println("Unknown argument: " + opt + "; use -h for help"); 18095 } 18096 } 18097 18098 // Is the caller requesting to dump a particular piece of data? 18099 if (opti < args.length) { 18100 String cmd = args[opti]; 18101 opti++; 18102 // Is this a package name? 18103 if ("android".equals(cmd) || cmd.contains(".")) { 18104 packageName = cmd; 18105 // When dumping a single package, we always dump all of its 18106 // filter information since the amount of data will be reasonable. 18107 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18108 } else if ("check-permission".equals(cmd)) { 18109 if (opti >= args.length) { 18110 pw.println("Error: check-permission missing permission argument"); 18111 return; 18112 } 18113 String perm = args[opti]; 18114 opti++; 18115 if (opti >= args.length) { 18116 pw.println("Error: check-permission missing package argument"); 18117 return; 18118 } 18119 String pkg = args[opti]; 18120 opti++; 18121 int user = UserHandle.getUserId(Binder.getCallingUid()); 18122 if (opti < args.length) { 18123 try { 18124 user = Integer.parseInt(args[opti]); 18125 } catch (NumberFormatException e) { 18126 pw.println("Error: check-permission user argument is not a number: " 18127 + args[opti]); 18128 return; 18129 } 18130 } 18131 pw.println(checkPermission(perm, pkg, user)); 18132 return; 18133 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18134 dumpState.setDump(DumpState.DUMP_LIBS); 18135 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18136 dumpState.setDump(DumpState.DUMP_FEATURES); 18137 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18138 if (opti >= args.length) { 18139 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18140 | DumpState.DUMP_SERVICE_RESOLVERS 18141 | DumpState.DUMP_RECEIVER_RESOLVERS 18142 | DumpState.DUMP_CONTENT_RESOLVERS); 18143 } else { 18144 while (opti < args.length) { 18145 String name = args[opti]; 18146 if ("a".equals(name) || "activity".equals(name)) { 18147 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18148 } else if ("s".equals(name) || "service".equals(name)) { 18149 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18150 } else if ("r".equals(name) || "receiver".equals(name)) { 18151 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18152 } else if ("c".equals(name) || "content".equals(name)) { 18153 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18154 } else { 18155 pw.println("Error: unknown resolver table type: " + name); 18156 return; 18157 } 18158 opti++; 18159 } 18160 } 18161 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18162 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18163 } else if ("permission".equals(cmd)) { 18164 if (opti >= args.length) { 18165 pw.println("Error: permission requires permission name"); 18166 return; 18167 } 18168 permissionNames = new ArraySet<>(); 18169 while (opti < args.length) { 18170 permissionNames.add(args[opti]); 18171 opti++; 18172 } 18173 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18174 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18175 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18176 dumpState.setDump(DumpState.DUMP_PREFERRED); 18177 } else if ("preferred-xml".equals(cmd)) { 18178 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18179 if (opti < args.length && "--full".equals(args[opti])) { 18180 fullPreferred = true; 18181 opti++; 18182 } 18183 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18184 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18185 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18186 dumpState.setDump(DumpState.DUMP_PACKAGES); 18187 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18188 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18189 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18190 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18191 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18192 dumpState.setDump(DumpState.DUMP_MESSAGES); 18193 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18194 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18195 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18196 || "intent-filter-verifiers".equals(cmd)) { 18197 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18198 } else if ("version".equals(cmd)) { 18199 dumpState.setDump(DumpState.DUMP_VERSION); 18200 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18201 dumpState.setDump(DumpState.DUMP_KEYSETS); 18202 } else if ("installs".equals(cmd)) { 18203 dumpState.setDump(DumpState.DUMP_INSTALLS); 18204 } else if ("frozen".equals(cmd)) { 18205 dumpState.setDump(DumpState.DUMP_FROZEN); 18206 } else if ("dexopt".equals(cmd)) { 18207 dumpState.setDump(DumpState.DUMP_DEXOPT); 18208 } else if ("compiler-stats".equals(cmd)) { 18209 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18210 } else if ("write".equals(cmd)) { 18211 synchronized (mPackages) { 18212 mSettings.writeLPr(); 18213 pw.println("Settings written."); 18214 return; 18215 } 18216 } 18217 } 18218 18219 if (checkin) { 18220 pw.println("vers,1"); 18221 } 18222 18223 // reader 18224 synchronized (mPackages) { 18225 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18226 if (!checkin) { 18227 if (dumpState.onTitlePrinted()) 18228 pw.println(); 18229 pw.println("Database versions:"); 18230 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18231 } 18232 } 18233 18234 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18235 if (!checkin) { 18236 if (dumpState.onTitlePrinted()) 18237 pw.println(); 18238 pw.println("Verifiers:"); 18239 pw.print(" Required: "); 18240 pw.print(mRequiredVerifierPackage); 18241 pw.print(" (uid="); 18242 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18243 UserHandle.USER_SYSTEM)); 18244 pw.println(")"); 18245 } else if (mRequiredVerifierPackage != null) { 18246 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18247 pw.print(","); 18248 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18249 UserHandle.USER_SYSTEM)); 18250 } 18251 } 18252 18253 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18254 packageName == null) { 18255 if (mIntentFilterVerifierComponent != null) { 18256 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18257 if (!checkin) { 18258 if (dumpState.onTitlePrinted()) 18259 pw.println(); 18260 pw.println("Intent Filter Verifier:"); 18261 pw.print(" Using: "); 18262 pw.print(verifierPackageName); 18263 pw.print(" (uid="); 18264 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18265 UserHandle.USER_SYSTEM)); 18266 pw.println(")"); 18267 } else if (verifierPackageName != null) { 18268 pw.print("ifv,"); pw.print(verifierPackageName); 18269 pw.print(","); 18270 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18271 UserHandle.USER_SYSTEM)); 18272 } 18273 } else { 18274 pw.println(); 18275 pw.println("No Intent Filter Verifier available!"); 18276 } 18277 } 18278 18279 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18280 boolean printedHeader = false; 18281 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18282 while (it.hasNext()) { 18283 String name = it.next(); 18284 SharedLibraryEntry ent = mSharedLibraries.get(name); 18285 if (!checkin) { 18286 if (!printedHeader) { 18287 if (dumpState.onTitlePrinted()) 18288 pw.println(); 18289 pw.println("Libraries:"); 18290 printedHeader = true; 18291 } 18292 pw.print(" "); 18293 } else { 18294 pw.print("lib,"); 18295 } 18296 pw.print(name); 18297 if (!checkin) { 18298 pw.print(" -> "); 18299 } 18300 if (ent.path != null) { 18301 if (!checkin) { 18302 pw.print("(jar) "); 18303 pw.print(ent.path); 18304 } else { 18305 pw.print(",jar,"); 18306 pw.print(ent.path); 18307 } 18308 } else { 18309 if (!checkin) { 18310 pw.print("(apk) "); 18311 pw.print(ent.apk); 18312 } else { 18313 pw.print(",apk,"); 18314 pw.print(ent.apk); 18315 } 18316 } 18317 pw.println(); 18318 } 18319 } 18320 18321 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18322 if (dumpState.onTitlePrinted()) 18323 pw.println(); 18324 if (!checkin) { 18325 pw.println("Features:"); 18326 } 18327 18328 for (FeatureInfo feat : mAvailableFeatures.values()) { 18329 if (checkin) { 18330 pw.print("feat,"); 18331 pw.print(feat.name); 18332 pw.print(","); 18333 pw.println(feat.version); 18334 } else { 18335 pw.print(" "); 18336 pw.print(feat.name); 18337 if (feat.version > 0) { 18338 pw.print(" version="); 18339 pw.print(feat.version); 18340 } 18341 pw.println(); 18342 } 18343 } 18344 } 18345 18346 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18347 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18348 : "Activity Resolver Table:", " ", packageName, 18349 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18350 dumpState.setTitlePrinted(true); 18351 } 18352 } 18353 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18354 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18355 : "Receiver Resolver Table:", " ", packageName, 18356 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18357 dumpState.setTitlePrinted(true); 18358 } 18359 } 18360 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18361 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18362 : "Service Resolver Table:", " ", packageName, 18363 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18364 dumpState.setTitlePrinted(true); 18365 } 18366 } 18367 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18368 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18369 : "Provider Resolver Table:", " ", packageName, 18370 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18371 dumpState.setTitlePrinted(true); 18372 } 18373 } 18374 18375 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18376 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18377 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18378 int user = mSettings.mPreferredActivities.keyAt(i); 18379 if (pir.dump(pw, 18380 dumpState.getTitlePrinted() 18381 ? "\nPreferred Activities User " + user + ":" 18382 : "Preferred Activities User " + user + ":", " ", 18383 packageName, true, false)) { 18384 dumpState.setTitlePrinted(true); 18385 } 18386 } 18387 } 18388 18389 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18390 pw.flush(); 18391 FileOutputStream fout = new FileOutputStream(fd); 18392 BufferedOutputStream str = new BufferedOutputStream(fout); 18393 XmlSerializer serializer = new FastXmlSerializer(); 18394 try { 18395 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18396 serializer.startDocument(null, true); 18397 serializer.setFeature( 18398 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18399 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18400 serializer.endDocument(); 18401 serializer.flush(); 18402 } catch (IllegalArgumentException e) { 18403 pw.println("Failed writing: " + e); 18404 } catch (IllegalStateException e) { 18405 pw.println("Failed writing: " + e); 18406 } catch (IOException e) { 18407 pw.println("Failed writing: " + e); 18408 } 18409 } 18410 18411 if (!checkin 18412 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18413 && packageName == null) { 18414 pw.println(); 18415 int count = mSettings.mPackages.size(); 18416 if (count == 0) { 18417 pw.println("No applications!"); 18418 pw.println(); 18419 } else { 18420 final String prefix = " "; 18421 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18422 if (allPackageSettings.size() == 0) { 18423 pw.println("No domain preferred apps!"); 18424 pw.println(); 18425 } else { 18426 pw.println("App verification status:"); 18427 pw.println(); 18428 count = 0; 18429 for (PackageSetting ps : allPackageSettings) { 18430 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18431 if (ivi == null || ivi.getPackageName() == null) continue; 18432 pw.println(prefix + "Package: " + ivi.getPackageName()); 18433 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18434 pw.println(prefix + "Status: " + ivi.getStatusString()); 18435 pw.println(); 18436 count++; 18437 } 18438 if (count == 0) { 18439 pw.println(prefix + "No app verification established."); 18440 pw.println(); 18441 } 18442 for (int userId : sUserManager.getUserIds()) { 18443 pw.println("App linkages for user " + userId + ":"); 18444 pw.println(); 18445 count = 0; 18446 for (PackageSetting ps : allPackageSettings) { 18447 final long status = ps.getDomainVerificationStatusForUser(userId); 18448 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18449 continue; 18450 } 18451 pw.println(prefix + "Package: " + ps.name); 18452 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18453 String statusStr = IntentFilterVerificationInfo. 18454 getStatusStringFromValue(status); 18455 pw.println(prefix + "Status: " + statusStr); 18456 pw.println(); 18457 count++; 18458 } 18459 if (count == 0) { 18460 pw.println(prefix + "No configured app linkages."); 18461 pw.println(); 18462 } 18463 } 18464 } 18465 } 18466 } 18467 18468 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18469 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18470 if (packageName == null && permissionNames == null) { 18471 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18472 if (iperm == 0) { 18473 if (dumpState.onTitlePrinted()) 18474 pw.println(); 18475 pw.println("AppOp Permissions:"); 18476 } 18477 pw.print(" AppOp Permission "); 18478 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18479 pw.println(":"); 18480 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18481 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18482 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18483 } 18484 } 18485 } 18486 } 18487 18488 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18489 boolean printedSomething = false; 18490 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18491 if (packageName != null && !packageName.equals(p.info.packageName)) { 18492 continue; 18493 } 18494 if (!printedSomething) { 18495 if (dumpState.onTitlePrinted()) 18496 pw.println(); 18497 pw.println("Registered ContentProviders:"); 18498 printedSomething = true; 18499 } 18500 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18501 pw.print(" "); pw.println(p.toString()); 18502 } 18503 printedSomething = false; 18504 for (Map.Entry<String, PackageParser.Provider> entry : 18505 mProvidersByAuthority.entrySet()) { 18506 PackageParser.Provider p = entry.getValue(); 18507 if (packageName != null && !packageName.equals(p.info.packageName)) { 18508 continue; 18509 } 18510 if (!printedSomething) { 18511 if (dumpState.onTitlePrinted()) 18512 pw.println(); 18513 pw.println("ContentProvider Authorities:"); 18514 printedSomething = true; 18515 } 18516 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18517 pw.print(" "); pw.println(p.toString()); 18518 if (p.info != null && p.info.applicationInfo != null) { 18519 final String appInfo = p.info.applicationInfo.toString(); 18520 pw.print(" applicationInfo="); pw.println(appInfo); 18521 } 18522 } 18523 } 18524 18525 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18526 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18527 } 18528 18529 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18530 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18531 } 18532 18533 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18534 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18535 } 18536 18537 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18538 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18539 } 18540 18541 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18542 // XXX should handle packageName != null by dumping only install data that 18543 // the given package is involved with. 18544 if (dumpState.onTitlePrinted()) pw.println(); 18545 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18546 } 18547 18548 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18549 // XXX should handle packageName != null by dumping only install data that 18550 // the given package is involved with. 18551 if (dumpState.onTitlePrinted()) pw.println(); 18552 18553 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18554 ipw.println(); 18555 ipw.println("Frozen packages:"); 18556 ipw.increaseIndent(); 18557 if (mFrozenPackages.size() == 0) { 18558 ipw.println("(none)"); 18559 } else { 18560 for (int i = 0; i < mFrozenPackages.size(); i++) { 18561 ipw.println(mFrozenPackages.valueAt(i)); 18562 } 18563 } 18564 ipw.decreaseIndent(); 18565 } 18566 18567 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18568 if (dumpState.onTitlePrinted()) pw.println(); 18569 dumpDexoptStateLPr(pw, packageName); 18570 } 18571 18572 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18573 if (dumpState.onTitlePrinted()) pw.println(); 18574 dumpCompilerStatsLPr(pw, packageName); 18575 } 18576 18577 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18578 if (dumpState.onTitlePrinted()) pw.println(); 18579 mSettings.dumpReadMessagesLPr(pw, dumpState); 18580 18581 pw.println(); 18582 pw.println("Package warning messages:"); 18583 BufferedReader in = null; 18584 String line = null; 18585 try { 18586 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18587 while ((line = in.readLine()) != null) { 18588 if (line.contains("ignored: updated version")) continue; 18589 pw.println(line); 18590 } 18591 } catch (IOException ignored) { 18592 } finally { 18593 IoUtils.closeQuietly(in); 18594 } 18595 } 18596 18597 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18598 BufferedReader in = null; 18599 String line = null; 18600 try { 18601 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18602 while ((line = in.readLine()) != null) { 18603 if (line.contains("ignored: updated version")) continue; 18604 pw.print("msg,"); 18605 pw.println(line); 18606 } 18607 } catch (IOException ignored) { 18608 } finally { 18609 IoUtils.closeQuietly(in); 18610 } 18611 } 18612 } 18613 } 18614 18615 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18616 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18617 ipw.println(); 18618 ipw.println("Dexopt state:"); 18619 ipw.increaseIndent(); 18620 Collection<PackageParser.Package> packages = null; 18621 if (packageName != null) { 18622 PackageParser.Package targetPackage = mPackages.get(packageName); 18623 if (targetPackage != null) { 18624 packages = Collections.singletonList(targetPackage); 18625 } else { 18626 ipw.println("Unable to find package: " + packageName); 18627 return; 18628 } 18629 } else { 18630 packages = mPackages.values(); 18631 } 18632 18633 for (PackageParser.Package pkg : packages) { 18634 ipw.println("[" + pkg.packageName + "]"); 18635 ipw.increaseIndent(); 18636 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18637 ipw.decreaseIndent(); 18638 } 18639 } 18640 18641 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18642 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18643 ipw.println(); 18644 ipw.println("Compiler stats:"); 18645 ipw.increaseIndent(); 18646 Collection<PackageParser.Package> packages = null; 18647 if (packageName != null) { 18648 PackageParser.Package targetPackage = mPackages.get(packageName); 18649 if (targetPackage != null) { 18650 packages = Collections.singletonList(targetPackage); 18651 } else { 18652 ipw.println("Unable to find package: " + packageName); 18653 return; 18654 } 18655 } else { 18656 packages = mPackages.values(); 18657 } 18658 18659 for (PackageParser.Package pkg : packages) { 18660 ipw.println("[" + pkg.packageName + "]"); 18661 ipw.increaseIndent(); 18662 18663 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18664 if (stats == null) { 18665 ipw.println("(No recorded stats)"); 18666 } else { 18667 stats.dump(ipw); 18668 } 18669 ipw.decreaseIndent(); 18670 } 18671 } 18672 18673 private String dumpDomainString(String packageName) { 18674 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18675 .getList(); 18676 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18677 18678 ArraySet<String> result = new ArraySet<>(); 18679 if (iviList.size() > 0) { 18680 for (IntentFilterVerificationInfo ivi : iviList) { 18681 for (String host : ivi.getDomains()) { 18682 result.add(host); 18683 } 18684 } 18685 } 18686 if (filters != null && filters.size() > 0) { 18687 for (IntentFilter filter : filters) { 18688 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18689 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18690 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18691 result.addAll(filter.getHostsList()); 18692 } 18693 } 18694 } 18695 18696 StringBuilder sb = new StringBuilder(result.size() * 16); 18697 for (String domain : result) { 18698 if (sb.length() > 0) sb.append(" "); 18699 sb.append(domain); 18700 } 18701 return sb.toString(); 18702 } 18703 18704 // ------- apps on sdcard specific code ------- 18705 static final boolean DEBUG_SD_INSTALL = false; 18706 18707 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18708 18709 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18710 18711 private boolean mMediaMounted = false; 18712 18713 static String getEncryptKey() { 18714 try { 18715 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18716 SD_ENCRYPTION_KEYSTORE_NAME); 18717 if (sdEncKey == null) { 18718 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18719 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18720 if (sdEncKey == null) { 18721 Slog.e(TAG, "Failed to create encryption keys"); 18722 return null; 18723 } 18724 } 18725 return sdEncKey; 18726 } catch (NoSuchAlgorithmException nsae) { 18727 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18728 return null; 18729 } catch (IOException ioe) { 18730 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18731 return null; 18732 } 18733 } 18734 18735 /* 18736 * Update media status on PackageManager. 18737 */ 18738 @Override 18739 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18740 int callingUid = Binder.getCallingUid(); 18741 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18742 throw new SecurityException("Media status can only be updated by the system"); 18743 } 18744 // reader; this apparently protects mMediaMounted, but should probably 18745 // be a different lock in that case. 18746 synchronized (mPackages) { 18747 Log.i(TAG, "Updating external media status from " 18748 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18749 + (mediaStatus ? "mounted" : "unmounted")); 18750 if (DEBUG_SD_INSTALL) 18751 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18752 + ", mMediaMounted=" + mMediaMounted); 18753 if (mediaStatus == mMediaMounted) { 18754 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18755 : 0, -1); 18756 mHandler.sendMessage(msg); 18757 return; 18758 } 18759 mMediaMounted = mediaStatus; 18760 } 18761 // Queue up an async operation since the package installation may take a 18762 // little while. 18763 mHandler.post(new Runnable() { 18764 public void run() { 18765 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18766 } 18767 }); 18768 } 18769 18770 /** 18771 * Called by MountService when the initial ASECs to scan are available. 18772 * Should block until all the ASEC containers are finished being scanned. 18773 */ 18774 public void scanAvailableAsecs() { 18775 updateExternalMediaStatusInner(true, false, false); 18776 } 18777 18778 /* 18779 * Collect information of applications on external media, map them against 18780 * existing containers and update information based on current mount status. 18781 * Please note that we always have to report status if reportStatus has been 18782 * set to true especially when unloading packages. 18783 */ 18784 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18785 boolean externalStorage) { 18786 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18787 int[] uidArr = EmptyArray.INT; 18788 18789 final String[] list = PackageHelper.getSecureContainerList(); 18790 if (ArrayUtils.isEmpty(list)) { 18791 Log.i(TAG, "No secure containers found"); 18792 } else { 18793 // Process list of secure containers and categorize them 18794 // as active or stale based on their package internal state. 18795 18796 // reader 18797 synchronized (mPackages) { 18798 for (String cid : list) { 18799 // Leave stages untouched for now; installer service owns them 18800 if (PackageInstallerService.isStageName(cid)) continue; 18801 18802 if (DEBUG_SD_INSTALL) 18803 Log.i(TAG, "Processing container " + cid); 18804 String pkgName = getAsecPackageName(cid); 18805 if (pkgName == null) { 18806 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18807 continue; 18808 } 18809 if (DEBUG_SD_INSTALL) 18810 Log.i(TAG, "Looking for pkg : " + pkgName); 18811 18812 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18813 if (ps == null) { 18814 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18815 continue; 18816 } 18817 18818 /* 18819 * Skip packages that are not external if we're unmounting 18820 * external storage. 18821 */ 18822 if (externalStorage && !isMounted && !isExternal(ps)) { 18823 continue; 18824 } 18825 18826 final AsecInstallArgs args = new AsecInstallArgs(cid, 18827 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18828 // The package status is changed only if the code path 18829 // matches between settings and the container id. 18830 if (ps.codePathString != null 18831 && ps.codePathString.startsWith(args.getCodePath())) { 18832 if (DEBUG_SD_INSTALL) { 18833 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18834 + " at code path: " + ps.codePathString); 18835 } 18836 18837 // We do have a valid package installed on sdcard 18838 processCids.put(args, ps.codePathString); 18839 final int uid = ps.appId; 18840 if (uid != -1) { 18841 uidArr = ArrayUtils.appendInt(uidArr, uid); 18842 } 18843 } else { 18844 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18845 + ps.codePathString); 18846 } 18847 } 18848 } 18849 18850 Arrays.sort(uidArr); 18851 } 18852 18853 // Process packages with valid entries. 18854 if (isMounted) { 18855 if (DEBUG_SD_INSTALL) 18856 Log.i(TAG, "Loading packages"); 18857 loadMediaPackages(processCids, uidArr, externalStorage); 18858 startCleaningPackages(); 18859 mInstallerService.onSecureContainersAvailable(); 18860 } else { 18861 if (DEBUG_SD_INSTALL) 18862 Log.i(TAG, "Unloading packages"); 18863 unloadMediaPackages(processCids, uidArr, reportStatus); 18864 } 18865 } 18866 18867 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18868 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18869 final int size = infos.size(); 18870 final String[] packageNames = new String[size]; 18871 final int[] packageUids = new int[size]; 18872 for (int i = 0; i < size; i++) { 18873 final ApplicationInfo info = infos.get(i); 18874 packageNames[i] = info.packageName; 18875 packageUids[i] = info.uid; 18876 } 18877 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18878 finishedReceiver); 18879 } 18880 18881 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18882 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18883 sendResourcesChangedBroadcast(mediaStatus, replacing, 18884 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18885 } 18886 18887 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18888 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18889 int size = pkgList.length; 18890 if (size > 0) { 18891 // Send broadcasts here 18892 Bundle extras = new Bundle(); 18893 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18894 if (uidArr != null) { 18895 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18896 } 18897 if (replacing) { 18898 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18899 } 18900 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18901 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18902 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18903 } 18904 } 18905 18906 /* 18907 * Look at potentially valid container ids from processCids If package 18908 * information doesn't match the one on record or package scanning fails, 18909 * the cid is added to list of removeCids. We currently don't delete stale 18910 * containers. 18911 */ 18912 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18913 boolean externalStorage) { 18914 ArrayList<String> pkgList = new ArrayList<String>(); 18915 Set<AsecInstallArgs> keys = processCids.keySet(); 18916 18917 for (AsecInstallArgs args : keys) { 18918 String codePath = processCids.get(args); 18919 if (DEBUG_SD_INSTALL) 18920 Log.i(TAG, "Loading container : " + args.cid); 18921 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18922 try { 18923 // Make sure there are no container errors first. 18924 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18925 Slog.e(TAG, "Failed to mount cid : " + args.cid 18926 + " when installing from sdcard"); 18927 continue; 18928 } 18929 // Check code path here. 18930 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18931 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18932 + " does not match one in settings " + codePath); 18933 continue; 18934 } 18935 // Parse package 18936 int parseFlags = mDefParseFlags; 18937 if (args.isExternalAsec()) { 18938 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18939 } 18940 if (args.isFwdLocked()) { 18941 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18942 } 18943 18944 synchronized (mInstallLock) { 18945 PackageParser.Package pkg = null; 18946 try { 18947 // Sadly we don't know the package name yet to freeze it 18948 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18949 SCAN_IGNORE_FROZEN, 0, null); 18950 } catch (PackageManagerException e) { 18951 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18952 } 18953 // Scan the package 18954 if (pkg != null) { 18955 /* 18956 * TODO why is the lock being held? doPostInstall is 18957 * called in other places without the lock. This needs 18958 * to be straightened out. 18959 */ 18960 // writer 18961 synchronized (mPackages) { 18962 retCode = PackageManager.INSTALL_SUCCEEDED; 18963 pkgList.add(pkg.packageName); 18964 // Post process args 18965 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18966 pkg.applicationInfo.uid); 18967 } 18968 } else { 18969 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18970 } 18971 } 18972 18973 } finally { 18974 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18975 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18976 } 18977 } 18978 } 18979 // writer 18980 synchronized (mPackages) { 18981 // If the platform SDK has changed since the last time we booted, 18982 // we need to re-grant app permission to catch any new ones that 18983 // appear. This is really a hack, and means that apps can in some 18984 // cases get permissions that the user didn't initially explicitly 18985 // allow... it would be nice to have some better way to handle 18986 // this situation. 18987 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18988 : mSettings.getInternalVersion(); 18989 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18990 : StorageManager.UUID_PRIVATE_INTERNAL; 18991 18992 int updateFlags = UPDATE_PERMISSIONS_ALL; 18993 if (ver.sdkVersion != mSdkVersion) { 18994 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18995 + mSdkVersion + "; regranting permissions for external"); 18996 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18997 } 18998 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18999 19000 // Yay, everything is now upgraded 19001 ver.forceCurrent(); 19002 19003 // can downgrade to reader 19004 // Persist settings 19005 mSettings.writeLPr(); 19006 } 19007 // Send a broadcast to let everyone know we are done processing 19008 if (pkgList.size() > 0) { 19009 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19010 } 19011 } 19012 19013 /* 19014 * Utility method to unload a list of specified containers 19015 */ 19016 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19017 // Just unmount all valid containers. 19018 for (AsecInstallArgs arg : cidArgs) { 19019 synchronized (mInstallLock) { 19020 arg.doPostDeleteLI(false); 19021 } 19022 } 19023 } 19024 19025 /* 19026 * Unload packages mounted on external media. This involves deleting package 19027 * data from internal structures, sending broadcasts about disabled packages, 19028 * gc'ing to free up references, unmounting all secure containers 19029 * corresponding to packages on external media, and posting a 19030 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19031 * that we always have to post this message if status has been requested no 19032 * matter what. 19033 */ 19034 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19035 final boolean reportStatus) { 19036 if (DEBUG_SD_INSTALL) 19037 Log.i(TAG, "unloading media packages"); 19038 ArrayList<String> pkgList = new ArrayList<String>(); 19039 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19040 final Set<AsecInstallArgs> keys = processCids.keySet(); 19041 for (AsecInstallArgs args : keys) { 19042 String pkgName = args.getPackageName(); 19043 if (DEBUG_SD_INSTALL) 19044 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19045 // Delete package internally 19046 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19047 synchronized (mInstallLock) { 19048 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19049 final boolean res; 19050 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19051 "unloadMediaPackages")) { 19052 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19053 null); 19054 } 19055 if (res) { 19056 pkgList.add(pkgName); 19057 } else { 19058 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19059 failedList.add(args); 19060 } 19061 } 19062 } 19063 19064 // reader 19065 synchronized (mPackages) { 19066 // We didn't update the settings after removing each package; 19067 // write them now for all packages. 19068 mSettings.writeLPr(); 19069 } 19070 19071 // We have to absolutely send UPDATED_MEDIA_STATUS only 19072 // after confirming that all the receivers processed the ordered 19073 // broadcast when packages get disabled, force a gc to clean things up. 19074 // and unload all the containers. 19075 if (pkgList.size() > 0) { 19076 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19077 new IIntentReceiver.Stub() { 19078 public void performReceive(Intent intent, int resultCode, String data, 19079 Bundle extras, boolean ordered, boolean sticky, 19080 int sendingUser) throws RemoteException { 19081 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19082 reportStatus ? 1 : 0, 1, keys); 19083 mHandler.sendMessage(msg); 19084 } 19085 }); 19086 } else { 19087 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19088 keys); 19089 mHandler.sendMessage(msg); 19090 } 19091 } 19092 19093 private void loadPrivatePackages(final VolumeInfo vol) { 19094 mHandler.post(new Runnable() { 19095 @Override 19096 public void run() { 19097 loadPrivatePackagesInner(vol); 19098 } 19099 }); 19100 } 19101 19102 private void loadPrivatePackagesInner(VolumeInfo vol) { 19103 final String volumeUuid = vol.fsUuid; 19104 if (TextUtils.isEmpty(volumeUuid)) { 19105 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19106 return; 19107 } 19108 19109 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19110 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19111 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19112 19113 final VersionInfo ver; 19114 final List<PackageSetting> packages; 19115 synchronized (mPackages) { 19116 ver = mSettings.findOrCreateVersion(volumeUuid); 19117 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19118 } 19119 19120 for (PackageSetting ps : packages) { 19121 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19122 synchronized (mInstallLock) { 19123 final PackageParser.Package pkg; 19124 try { 19125 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19126 loaded.add(pkg.applicationInfo); 19127 19128 } catch (PackageManagerException e) { 19129 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19130 } 19131 19132 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19133 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19134 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19135 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19136 } 19137 } 19138 } 19139 19140 // Reconcile app data for all started/unlocked users 19141 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19142 final UserManager um = mContext.getSystemService(UserManager.class); 19143 UserManagerInternal umInternal = getUserManagerInternal(); 19144 for (UserInfo user : um.getUsers()) { 19145 final int flags; 19146 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19147 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19148 } else if (umInternal.isUserRunning(user.id)) { 19149 flags = StorageManager.FLAG_STORAGE_DE; 19150 } else { 19151 continue; 19152 } 19153 19154 try { 19155 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19156 synchronized (mInstallLock) { 19157 reconcileAppsDataLI(volumeUuid, user.id, flags); 19158 } 19159 } catch (IllegalStateException e) { 19160 // Device was probably ejected, and we'll process that event momentarily 19161 Slog.w(TAG, "Failed to prepare storage: " + e); 19162 } 19163 } 19164 19165 synchronized (mPackages) { 19166 int updateFlags = UPDATE_PERMISSIONS_ALL; 19167 if (ver.sdkVersion != mSdkVersion) { 19168 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19169 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19170 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19171 } 19172 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19173 19174 // Yay, everything is now upgraded 19175 ver.forceCurrent(); 19176 19177 mSettings.writeLPr(); 19178 } 19179 19180 for (PackageFreezer freezer : freezers) { 19181 freezer.close(); 19182 } 19183 19184 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19185 sendResourcesChangedBroadcast(true, false, loaded, null); 19186 } 19187 19188 private void unloadPrivatePackages(final VolumeInfo vol) { 19189 mHandler.post(new Runnable() { 19190 @Override 19191 public void run() { 19192 unloadPrivatePackagesInner(vol); 19193 } 19194 }); 19195 } 19196 19197 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19198 final String volumeUuid = vol.fsUuid; 19199 if (TextUtils.isEmpty(volumeUuid)) { 19200 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19201 return; 19202 } 19203 19204 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19205 synchronized (mInstallLock) { 19206 synchronized (mPackages) { 19207 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19208 for (PackageSetting ps : packages) { 19209 if (ps.pkg == null) continue; 19210 19211 final ApplicationInfo info = ps.pkg.applicationInfo; 19212 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19213 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19214 19215 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19216 "unloadPrivatePackagesInner")) { 19217 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19218 false, null)) { 19219 unloaded.add(info); 19220 } else { 19221 Slog.w(TAG, "Failed to unload " + ps.codePath); 19222 } 19223 } 19224 19225 // Try very hard to release any references to this package 19226 // so we don't risk the system server being killed due to 19227 // open FDs 19228 AttributeCache.instance().removePackage(ps.name); 19229 } 19230 19231 mSettings.writeLPr(); 19232 } 19233 } 19234 19235 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19236 sendResourcesChangedBroadcast(false, false, unloaded, null); 19237 19238 // Try very hard to release any references to this path so we don't risk 19239 // the system server being killed due to open FDs 19240 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19241 19242 for (int i = 0; i < 3; i++) { 19243 System.gc(); 19244 System.runFinalization(); 19245 } 19246 } 19247 19248 /** 19249 * Prepare storage areas for given user on all mounted devices. 19250 */ 19251 void prepareUserData(int userId, int userSerial, int flags) { 19252 synchronized (mInstallLock) { 19253 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19254 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19255 final String volumeUuid = vol.getFsUuid(); 19256 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19257 } 19258 } 19259 } 19260 19261 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19262 boolean allowRecover) { 19263 // Prepare storage and verify that serial numbers are consistent; if 19264 // there's a mismatch we need to destroy to avoid leaking data 19265 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19266 try { 19267 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19268 19269 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19270 UserManagerService.enforceSerialNumber( 19271 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19272 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19273 UserManagerService.enforceSerialNumber( 19274 Environment.getDataSystemDeDirectory(userId), userSerial); 19275 } 19276 } 19277 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19278 UserManagerService.enforceSerialNumber( 19279 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19280 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19281 UserManagerService.enforceSerialNumber( 19282 Environment.getDataSystemCeDirectory(userId), userSerial); 19283 } 19284 } 19285 19286 synchronized (mInstallLock) { 19287 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19288 } 19289 } catch (Exception e) { 19290 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19291 + " because we failed to prepare: " + e); 19292 destroyUserDataLI(volumeUuid, userId, 19293 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19294 19295 if (allowRecover) { 19296 // Try one last time; if we fail again we're really in trouble 19297 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19298 } 19299 } 19300 } 19301 19302 /** 19303 * Destroy storage areas for given user on all mounted devices. 19304 */ 19305 void destroyUserData(int userId, int flags) { 19306 synchronized (mInstallLock) { 19307 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19308 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19309 final String volumeUuid = vol.getFsUuid(); 19310 destroyUserDataLI(volumeUuid, userId, flags); 19311 } 19312 } 19313 } 19314 19315 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19316 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19317 try { 19318 // Clean up app data, profile data, and media data 19319 mInstaller.destroyUserData(volumeUuid, userId, flags); 19320 19321 // Clean up system data 19322 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19323 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19324 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19325 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19326 } 19327 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19328 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19329 } 19330 } 19331 19332 // Data with special labels is now gone, so finish the job 19333 storage.destroyUserStorage(volumeUuid, userId, flags); 19334 19335 } catch (Exception e) { 19336 logCriticalInfo(Log.WARN, 19337 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19338 } 19339 } 19340 19341 /** 19342 * Examine all users present on given mounted volume, and destroy data 19343 * belonging to users that are no longer valid, or whose user ID has been 19344 * recycled. 19345 */ 19346 private void reconcileUsers(String volumeUuid) { 19347 final List<File> files = new ArrayList<>(); 19348 Collections.addAll(files, FileUtils 19349 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19350 Collections.addAll(files, FileUtils 19351 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19352 Collections.addAll(files, FileUtils 19353 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19354 Collections.addAll(files, FileUtils 19355 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19356 for (File file : files) { 19357 if (!file.isDirectory()) continue; 19358 19359 final int userId; 19360 final UserInfo info; 19361 try { 19362 userId = Integer.parseInt(file.getName()); 19363 info = sUserManager.getUserInfo(userId); 19364 } catch (NumberFormatException e) { 19365 Slog.w(TAG, "Invalid user directory " + file); 19366 continue; 19367 } 19368 19369 boolean destroyUser = false; 19370 if (info == null) { 19371 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19372 + " because no matching user was found"); 19373 destroyUser = true; 19374 } else if (!mOnlyCore) { 19375 try { 19376 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19377 } catch (IOException e) { 19378 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19379 + " because we failed to enforce serial number: " + e); 19380 destroyUser = true; 19381 } 19382 } 19383 19384 if (destroyUser) { 19385 synchronized (mInstallLock) { 19386 destroyUserDataLI(volumeUuid, userId, 19387 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19388 } 19389 } 19390 } 19391 } 19392 19393 private void assertPackageKnown(String volumeUuid, String packageName) 19394 throws PackageManagerException { 19395 synchronized (mPackages) { 19396 final PackageSetting ps = mSettings.mPackages.get(packageName); 19397 if (ps == null) { 19398 throw new PackageManagerException("Package " + packageName + " is unknown"); 19399 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19400 throw new PackageManagerException( 19401 "Package " + packageName + " found on unknown volume " + volumeUuid 19402 + "; expected volume " + ps.volumeUuid); 19403 } 19404 } 19405 } 19406 19407 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19408 throws PackageManagerException { 19409 synchronized (mPackages) { 19410 final PackageSetting ps = mSettings.mPackages.get(packageName); 19411 if (ps == null) { 19412 throw new PackageManagerException("Package " + packageName + " is unknown"); 19413 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19414 throw new PackageManagerException( 19415 "Package " + packageName + " found on unknown volume " + volumeUuid 19416 + "; expected volume " + ps.volumeUuid); 19417 } else if (!ps.getInstalled(userId)) { 19418 throw new PackageManagerException( 19419 "Package " + packageName + " not installed for user " + userId); 19420 } 19421 } 19422 } 19423 19424 /** 19425 * Examine all apps present on given mounted volume, and destroy apps that 19426 * aren't expected, either due to uninstallation or reinstallation on 19427 * another volume. 19428 */ 19429 private void reconcileApps(String volumeUuid) { 19430 final File[] files = FileUtils 19431 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19432 for (File file : files) { 19433 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19434 && !PackageInstallerService.isStageName(file.getName()); 19435 if (!isPackage) { 19436 // Ignore entries which are not packages 19437 continue; 19438 } 19439 19440 try { 19441 final PackageLite pkg = PackageParser.parsePackageLite(file, 19442 PackageParser.PARSE_MUST_BE_APK); 19443 assertPackageKnown(volumeUuid, pkg.packageName); 19444 19445 } catch (PackageParserException | PackageManagerException e) { 19446 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19447 synchronized (mInstallLock) { 19448 removeCodePathLI(file); 19449 } 19450 } 19451 } 19452 } 19453 19454 /** 19455 * Reconcile all app data for the given user. 19456 * <p> 19457 * Verifies that directories exist and that ownership and labeling is 19458 * correct for all installed apps on all mounted volumes. 19459 */ 19460 void reconcileAppsData(int userId, int flags) { 19461 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19462 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19463 final String volumeUuid = vol.getFsUuid(); 19464 synchronized (mInstallLock) { 19465 reconcileAppsDataLI(volumeUuid, userId, flags); 19466 } 19467 } 19468 } 19469 19470 /** 19471 * Reconcile all app data on given mounted volume. 19472 * <p> 19473 * Destroys app data that isn't expected, either due to uninstallation or 19474 * reinstallation on another volume. 19475 * <p> 19476 * Verifies that directories exist and that ownership and labeling is 19477 * correct for all installed apps. 19478 */ 19479 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19480 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19481 + Integer.toHexString(flags)); 19482 19483 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19484 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19485 19486 boolean restoreconNeeded = false; 19487 19488 // First look for stale data that doesn't belong, and check if things 19489 // have changed since we did our last restorecon 19490 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19491 if (StorageManager.isFileEncryptedNativeOrEmulated() 19492 && !StorageManager.isUserKeyUnlocked(userId)) { 19493 throw new RuntimeException( 19494 "Yikes, someone asked us to reconcile CE storage while " + userId 19495 + " was still locked; this would have caused massive data loss!"); 19496 } 19497 19498 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19499 19500 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19501 for (File file : files) { 19502 final String packageName = file.getName(); 19503 try { 19504 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19505 } catch (PackageManagerException e) { 19506 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19507 try { 19508 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19509 StorageManager.FLAG_STORAGE_CE, 0); 19510 } catch (InstallerException e2) { 19511 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19512 } 19513 } 19514 } 19515 } 19516 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19517 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19518 19519 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19520 for (File file : files) { 19521 final String packageName = file.getName(); 19522 try { 19523 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19524 } catch (PackageManagerException e) { 19525 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19526 try { 19527 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19528 StorageManager.FLAG_STORAGE_DE, 0); 19529 } catch (InstallerException e2) { 19530 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19531 } 19532 } 19533 } 19534 } 19535 19536 // Ensure that data directories are ready to roll for all packages 19537 // installed for this volume and user 19538 final List<PackageSetting> packages; 19539 synchronized (mPackages) { 19540 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19541 } 19542 int preparedCount = 0; 19543 for (PackageSetting ps : packages) { 19544 final String packageName = ps.name; 19545 if (ps.pkg == null) { 19546 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19547 // TODO: might be due to legacy ASEC apps; we should circle back 19548 // and reconcile again once they're scanned 19549 continue; 19550 } 19551 19552 if (ps.getInstalled(userId)) { 19553 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19554 19555 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19556 // We may have just shuffled around app data directories, so 19557 // prepare them one more time 19558 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19559 } 19560 19561 preparedCount++; 19562 } 19563 } 19564 19565 if (restoreconNeeded) { 19566 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19567 SELinuxMMAC.setRestoreconDone(ceDir); 19568 } 19569 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19570 SELinuxMMAC.setRestoreconDone(deDir); 19571 } 19572 } 19573 19574 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19575 + " packages; restoreconNeeded was " + restoreconNeeded); 19576 } 19577 19578 /** 19579 * Prepare app data for the given app just after it was installed or 19580 * upgraded. This method carefully only touches users that it's installed 19581 * for, and it forces a restorecon to handle any seinfo changes. 19582 * <p> 19583 * Verifies that directories exist and that ownership and labeling is 19584 * correct for all installed apps. If there is an ownership mismatch, it 19585 * will try recovering system apps by wiping data; third-party app data is 19586 * left intact. 19587 * <p> 19588 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19589 */ 19590 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19591 final PackageSetting ps; 19592 synchronized (mPackages) { 19593 ps = mSettings.mPackages.get(pkg.packageName); 19594 mSettings.writeKernelMappingLPr(ps); 19595 } 19596 19597 final UserManager um = mContext.getSystemService(UserManager.class); 19598 UserManagerInternal umInternal = getUserManagerInternal(); 19599 for (UserInfo user : um.getUsers()) { 19600 final int flags; 19601 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19602 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19603 } else if (umInternal.isUserRunning(user.id)) { 19604 flags = StorageManager.FLAG_STORAGE_DE; 19605 } else { 19606 continue; 19607 } 19608 19609 if (ps.getInstalled(user.id)) { 19610 // Whenever an app changes, force a restorecon of its data 19611 // TODO: when user data is locked, mark that we're still dirty 19612 prepareAppDataLIF(pkg, user.id, flags, true); 19613 } 19614 } 19615 } 19616 19617 /** 19618 * Prepare app data for the given app. 19619 * <p> 19620 * Verifies that directories exist and that ownership and labeling is 19621 * correct for all installed apps. If there is an ownership mismatch, this 19622 * will try recovering system apps by wiping data; third-party app data is 19623 * left intact. 19624 */ 19625 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19626 boolean restoreconNeeded) { 19627 if (pkg == null) { 19628 Slog.wtf(TAG, "Package was null!", new Throwable()); 19629 return; 19630 } 19631 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19632 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19633 for (int i = 0; i < childCount; i++) { 19634 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19635 } 19636 } 19637 19638 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19639 boolean restoreconNeeded) { 19640 if (DEBUG_APP_DATA) { 19641 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19642 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19643 } 19644 19645 final String volumeUuid = pkg.volumeUuid; 19646 final String packageName = pkg.packageName; 19647 final ApplicationInfo app = pkg.applicationInfo; 19648 final int appId = UserHandle.getAppId(app.uid); 19649 19650 Preconditions.checkNotNull(app.seinfo); 19651 19652 try { 19653 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19654 appId, app.seinfo, app.targetSdkVersion); 19655 } catch (InstallerException e) { 19656 if (app.isSystemApp()) { 19657 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19658 + ", but trying to recover: " + e); 19659 destroyAppDataLeafLIF(pkg, userId, flags); 19660 try { 19661 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19662 appId, app.seinfo, app.targetSdkVersion); 19663 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19664 } catch (InstallerException e2) { 19665 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19666 } 19667 } else { 19668 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19669 } 19670 } 19671 19672 if (restoreconNeeded) { 19673 try { 19674 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19675 app.seinfo); 19676 } catch (InstallerException e) { 19677 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19678 } 19679 } 19680 19681 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19682 try { 19683 // CE storage is unlocked right now, so read out the inode and 19684 // remember for use later when it's locked 19685 // TODO: mark this structure as dirty so we persist it! 19686 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19687 StorageManager.FLAG_STORAGE_CE); 19688 synchronized (mPackages) { 19689 final PackageSetting ps = mSettings.mPackages.get(packageName); 19690 if (ps != null) { 19691 ps.setCeDataInode(ceDataInode, userId); 19692 } 19693 } 19694 } catch (InstallerException e) { 19695 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19696 } 19697 } 19698 19699 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19700 } 19701 19702 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19703 if (pkg == null) { 19704 Slog.wtf(TAG, "Package was null!", new Throwable()); 19705 return; 19706 } 19707 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19708 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19709 for (int i = 0; i < childCount; i++) { 19710 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19711 } 19712 } 19713 19714 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19715 final String volumeUuid = pkg.volumeUuid; 19716 final String packageName = pkg.packageName; 19717 final ApplicationInfo app = pkg.applicationInfo; 19718 19719 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19720 // Create a native library symlink only if we have native libraries 19721 // and if the native libraries are 32 bit libraries. We do not provide 19722 // this symlink for 64 bit libraries. 19723 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19724 final String nativeLibPath = app.nativeLibraryDir; 19725 try { 19726 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19727 nativeLibPath, userId); 19728 } catch (InstallerException e) { 19729 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19730 } 19731 } 19732 } 19733 } 19734 19735 /** 19736 * For system apps on non-FBE devices, this method migrates any existing 19737 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19738 * requested by the app. 19739 */ 19740 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19741 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19742 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19743 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19744 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19745 try { 19746 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19747 storageTarget); 19748 } catch (InstallerException e) { 19749 logCriticalInfo(Log.WARN, 19750 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19751 } 19752 return true; 19753 } else { 19754 return false; 19755 } 19756 } 19757 19758 public PackageFreezer freezePackage(String packageName, String killReason) { 19759 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19760 } 19761 19762 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19763 return new PackageFreezer(packageName, userId, killReason); 19764 } 19765 19766 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19767 String killReason) { 19768 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19769 } 19770 19771 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19772 String killReason) { 19773 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19774 return new PackageFreezer(); 19775 } else { 19776 return freezePackage(packageName, userId, killReason); 19777 } 19778 } 19779 19780 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19781 String killReason) { 19782 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19783 } 19784 19785 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19786 String killReason) { 19787 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19788 return new PackageFreezer(); 19789 } else { 19790 return freezePackage(packageName, userId, killReason); 19791 } 19792 } 19793 19794 /** 19795 * Class that freezes and kills the given package upon creation, and 19796 * unfreezes it upon closing. This is typically used when doing surgery on 19797 * app code/data to prevent the app from running while you're working. 19798 */ 19799 private class PackageFreezer implements AutoCloseable { 19800 private final String mPackageName; 19801 private final PackageFreezer[] mChildren; 19802 19803 private final boolean mWeFroze; 19804 19805 private final AtomicBoolean mClosed = new AtomicBoolean(); 19806 private final CloseGuard mCloseGuard = CloseGuard.get(); 19807 19808 /** 19809 * Create and return a stub freezer that doesn't actually do anything, 19810 * typically used when someone requested 19811 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19812 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19813 */ 19814 public PackageFreezer() { 19815 mPackageName = null; 19816 mChildren = null; 19817 mWeFroze = false; 19818 mCloseGuard.open("close"); 19819 } 19820 19821 public PackageFreezer(String packageName, int userId, String killReason) { 19822 synchronized (mPackages) { 19823 mPackageName = packageName; 19824 mWeFroze = mFrozenPackages.add(mPackageName); 19825 19826 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19827 if (ps != null) { 19828 killApplication(ps.name, ps.appId, userId, killReason); 19829 } 19830 19831 final PackageParser.Package p = mPackages.get(packageName); 19832 if (p != null && p.childPackages != null) { 19833 final int N = p.childPackages.size(); 19834 mChildren = new PackageFreezer[N]; 19835 for (int i = 0; i < N; i++) { 19836 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19837 userId, killReason); 19838 } 19839 } else { 19840 mChildren = null; 19841 } 19842 } 19843 mCloseGuard.open("close"); 19844 } 19845 19846 @Override 19847 protected void finalize() throws Throwable { 19848 try { 19849 mCloseGuard.warnIfOpen(); 19850 close(); 19851 } finally { 19852 super.finalize(); 19853 } 19854 } 19855 19856 @Override 19857 public void close() { 19858 mCloseGuard.close(); 19859 if (mClosed.compareAndSet(false, true)) { 19860 synchronized (mPackages) { 19861 if (mWeFroze) { 19862 mFrozenPackages.remove(mPackageName); 19863 } 19864 19865 if (mChildren != null) { 19866 for (PackageFreezer freezer : mChildren) { 19867 freezer.close(); 19868 } 19869 } 19870 } 19871 } 19872 } 19873 } 19874 19875 /** 19876 * Verify that given package is currently frozen. 19877 */ 19878 private void checkPackageFrozen(String packageName) { 19879 synchronized (mPackages) { 19880 if (!mFrozenPackages.contains(packageName)) { 19881 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19882 } 19883 } 19884 } 19885 19886 @Override 19887 public int movePackage(final String packageName, final String volumeUuid) { 19888 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19889 19890 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19891 final int moveId = mNextMoveId.getAndIncrement(); 19892 mHandler.post(new Runnable() { 19893 @Override 19894 public void run() { 19895 try { 19896 movePackageInternal(packageName, volumeUuid, moveId, user); 19897 } catch (PackageManagerException e) { 19898 Slog.w(TAG, "Failed to move " + packageName, e); 19899 mMoveCallbacks.notifyStatusChanged(moveId, 19900 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19901 } 19902 } 19903 }); 19904 return moveId; 19905 } 19906 19907 private void movePackageInternal(final String packageName, final String volumeUuid, 19908 final int moveId, UserHandle user) throws PackageManagerException { 19909 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19910 final PackageManager pm = mContext.getPackageManager(); 19911 19912 final boolean currentAsec; 19913 final String currentVolumeUuid; 19914 final File codeFile; 19915 final String installerPackageName; 19916 final String packageAbiOverride; 19917 final int appId; 19918 final String seinfo; 19919 final String label; 19920 final int targetSdkVersion; 19921 final PackageFreezer freezer; 19922 final int[] installedUserIds; 19923 19924 // reader 19925 synchronized (mPackages) { 19926 final PackageParser.Package pkg = mPackages.get(packageName); 19927 final PackageSetting ps = mSettings.mPackages.get(packageName); 19928 if (pkg == null || ps == null) { 19929 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19930 } 19931 19932 if (pkg.applicationInfo.isSystemApp()) { 19933 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19934 "Cannot move system application"); 19935 } 19936 19937 if (pkg.applicationInfo.isExternalAsec()) { 19938 currentAsec = true; 19939 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19940 } else if (pkg.applicationInfo.isForwardLocked()) { 19941 currentAsec = true; 19942 currentVolumeUuid = "forward_locked"; 19943 } else { 19944 currentAsec = false; 19945 currentVolumeUuid = ps.volumeUuid; 19946 19947 final File probe = new File(pkg.codePath); 19948 final File probeOat = new File(probe, "oat"); 19949 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19950 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19951 "Move only supported for modern cluster style installs"); 19952 } 19953 } 19954 19955 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19956 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19957 "Package already moved to " + volumeUuid); 19958 } 19959 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19960 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19961 "Device admin cannot be moved"); 19962 } 19963 19964 if (mFrozenPackages.contains(packageName)) { 19965 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19966 "Failed to move already frozen package"); 19967 } 19968 19969 codeFile = new File(pkg.codePath); 19970 installerPackageName = ps.installerPackageName; 19971 packageAbiOverride = ps.cpuAbiOverrideString; 19972 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19973 seinfo = pkg.applicationInfo.seinfo; 19974 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19975 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19976 freezer = freezePackage(packageName, "movePackageInternal"); 19977 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 19978 } 19979 19980 final Bundle extras = new Bundle(); 19981 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19982 extras.putString(Intent.EXTRA_TITLE, label); 19983 mMoveCallbacks.notifyCreated(moveId, extras); 19984 19985 int installFlags; 19986 final boolean moveCompleteApp; 19987 final File measurePath; 19988 19989 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19990 installFlags = INSTALL_INTERNAL; 19991 moveCompleteApp = !currentAsec; 19992 measurePath = Environment.getDataAppDirectory(volumeUuid); 19993 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19994 installFlags = INSTALL_EXTERNAL; 19995 moveCompleteApp = false; 19996 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19997 } else { 19998 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19999 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20000 || !volume.isMountedWritable()) { 20001 freezer.close(); 20002 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20003 "Move location not mounted private volume"); 20004 } 20005 20006 Preconditions.checkState(!currentAsec); 20007 20008 installFlags = INSTALL_INTERNAL; 20009 moveCompleteApp = true; 20010 measurePath = Environment.getDataAppDirectory(volumeUuid); 20011 } 20012 20013 final PackageStats stats = new PackageStats(null, -1); 20014 synchronized (mInstaller) { 20015 for (int userId : installedUserIds) { 20016 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20017 freezer.close(); 20018 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20019 "Failed to measure package size"); 20020 } 20021 } 20022 } 20023 20024 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20025 + stats.dataSize); 20026 20027 final long startFreeBytes = measurePath.getFreeSpace(); 20028 final long sizeBytes; 20029 if (moveCompleteApp) { 20030 sizeBytes = stats.codeSize + stats.dataSize; 20031 } else { 20032 sizeBytes = stats.codeSize; 20033 } 20034 20035 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20036 freezer.close(); 20037 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20038 "Not enough free space to move"); 20039 } 20040 20041 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20042 20043 final CountDownLatch installedLatch = new CountDownLatch(1); 20044 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20045 @Override 20046 public void onUserActionRequired(Intent intent) throws RemoteException { 20047 throw new IllegalStateException(); 20048 } 20049 20050 @Override 20051 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20052 Bundle extras) throws RemoteException { 20053 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20054 + PackageManager.installStatusToString(returnCode, msg)); 20055 20056 installedLatch.countDown(); 20057 freezer.close(); 20058 20059 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20060 switch (status) { 20061 case PackageInstaller.STATUS_SUCCESS: 20062 mMoveCallbacks.notifyStatusChanged(moveId, 20063 PackageManager.MOVE_SUCCEEDED); 20064 break; 20065 case PackageInstaller.STATUS_FAILURE_STORAGE: 20066 mMoveCallbacks.notifyStatusChanged(moveId, 20067 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20068 break; 20069 default: 20070 mMoveCallbacks.notifyStatusChanged(moveId, 20071 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20072 break; 20073 } 20074 } 20075 }; 20076 20077 final MoveInfo move; 20078 if (moveCompleteApp) { 20079 // Kick off a thread to report progress estimates 20080 new Thread() { 20081 @Override 20082 public void run() { 20083 while (true) { 20084 try { 20085 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20086 break; 20087 } 20088 } catch (InterruptedException ignored) { 20089 } 20090 20091 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20092 final int progress = 10 + (int) MathUtils.constrain( 20093 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20094 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20095 } 20096 } 20097 }.start(); 20098 20099 final String dataAppName = codeFile.getName(); 20100 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20101 dataAppName, appId, seinfo, targetSdkVersion); 20102 } else { 20103 move = null; 20104 } 20105 20106 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20107 20108 final Message msg = mHandler.obtainMessage(INIT_COPY); 20109 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20110 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20111 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20112 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20113 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20114 msg.obj = params; 20115 20116 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20117 System.identityHashCode(msg.obj)); 20118 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20119 System.identityHashCode(msg.obj)); 20120 20121 mHandler.sendMessage(msg); 20122 } 20123 20124 @Override 20125 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20126 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20127 20128 final int realMoveId = mNextMoveId.getAndIncrement(); 20129 final Bundle extras = new Bundle(); 20130 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20131 mMoveCallbacks.notifyCreated(realMoveId, extras); 20132 20133 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20134 @Override 20135 public void onCreated(int moveId, Bundle extras) { 20136 // Ignored 20137 } 20138 20139 @Override 20140 public void onStatusChanged(int moveId, int status, long estMillis) { 20141 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20142 } 20143 }; 20144 20145 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20146 storage.setPrimaryStorageUuid(volumeUuid, callback); 20147 return realMoveId; 20148 } 20149 20150 @Override 20151 public int getMoveStatus(int moveId) { 20152 mContext.enforceCallingOrSelfPermission( 20153 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20154 return mMoveCallbacks.mLastStatus.get(moveId); 20155 } 20156 20157 @Override 20158 public void registerMoveCallback(IPackageMoveObserver callback) { 20159 mContext.enforceCallingOrSelfPermission( 20160 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20161 mMoveCallbacks.register(callback); 20162 } 20163 20164 @Override 20165 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20166 mContext.enforceCallingOrSelfPermission( 20167 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20168 mMoveCallbacks.unregister(callback); 20169 } 20170 20171 @Override 20172 public boolean setInstallLocation(int loc) { 20173 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20174 null); 20175 if (getInstallLocation() == loc) { 20176 return true; 20177 } 20178 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20179 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20180 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20181 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20182 return true; 20183 } 20184 return false; 20185 } 20186 20187 @Override 20188 public int getInstallLocation() { 20189 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20190 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20191 PackageHelper.APP_INSTALL_AUTO); 20192 } 20193 20194 /** Called by UserManagerService */ 20195 void cleanUpUser(UserManagerService userManager, int userHandle) { 20196 synchronized (mPackages) { 20197 mDirtyUsers.remove(userHandle); 20198 mUserNeedsBadging.delete(userHandle); 20199 mSettings.removeUserLPw(userHandle); 20200 mPendingBroadcasts.remove(userHandle); 20201 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20202 removeUnusedPackagesLPw(userManager, userHandle); 20203 } 20204 } 20205 20206 /** 20207 * We're removing userHandle and would like to remove any downloaded packages 20208 * that are no longer in use by any other user. 20209 * @param userHandle the user being removed 20210 */ 20211 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20212 final boolean DEBUG_CLEAN_APKS = false; 20213 int [] users = userManager.getUserIds(); 20214 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20215 while (psit.hasNext()) { 20216 PackageSetting ps = psit.next(); 20217 if (ps.pkg == null) { 20218 continue; 20219 } 20220 final String packageName = ps.pkg.packageName; 20221 // Skip over if system app 20222 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20223 continue; 20224 } 20225 if (DEBUG_CLEAN_APKS) { 20226 Slog.i(TAG, "Checking package " + packageName); 20227 } 20228 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20229 if (keep) { 20230 if (DEBUG_CLEAN_APKS) { 20231 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20232 } 20233 } else { 20234 for (int i = 0; i < users.length; i++) { 20235 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20236 keep = true; 20237 if (DEBUG_CLEAN_APKS) { 20238 Slog.i(TAG, " Keeping package " + packageName + " for user " 20239 + users[i]); 20240 } 20241 break; 20242 } 20243 } 20244 } 20245 if (!keep) { 20246 if (DEBUG_CLEAN_APKS) { 20247 Slog.i(TAG, " Removing package " + packageName); 20248 } 20249 mHandler.post(new Runnable() { 20250 public void run() { 20251 deletePackageX(packageName, userHandle, 0); 20252 } //end run 20253 }); 20254 } 20255 } 20256 } 20257 20258 /** Called by UserManagerService */ 20259 void createNewUser(int userId) { 20260 synchronized (mInstallLock) { 20261 mSettings.createNewUserLI(this, mInstaller, userId); 20262 } 20263 synchronized (mPackages) { 20264 scheduleWritePackageRestrictionsLocked(userId); 20265 scheduleWritePackageListLocked(userId); 20266 applyFactoryDefaultBrowserLPw(userId); 20267 primeDomainVerificationsLPw(userId); 20268 } 20269 } 20270 20271 void onBeforeUserStartUninitialized(final int userId) { 20272 synchronized (mPackages) { 20273 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20274 return; 20275 } 20276 } 20277 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20278 // If permission review for legacy apps is required, we represent 20279 // dagerous permissions for such apps as always granted runtime 20280 // permissions to keep per user flag state whether review is needed. 20281 // Hence, if a new user is added we have to propagate dangerous 20282 // permission grants for these legacy apps. 20283 if (mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) { 20284 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20285 | UPDATE_PERMISSIONS_REPLACE_ALL); 20286 } 20287 } 20288 20289 @Override 20290 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20291 mContext.enforceCallingOrSelfPermission( 20292 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20293 "Only package verification agents can read the verifier device identity"); 20294 20295 synchronized (mPackages) { 20296 return mSettings.getVerifierDeviceIdentityLPw(); 20297 } 20298 } 20299 20300 @Override 20301 public void setPermissionEnforced(String permission, boolean enforced) { 20302 // TODO: Now that we no longer change GID for storage, this should to away. 20303 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20304 "setPermissionEnforced"); 20305 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20306 synchronized (mPackages) { 20307 if (mSettings.mReadExternalStorageEnforced == null 20308 || mSettings.mReadExternalStorageEnforced != enforced) { 20309 mSettings.mReadExternalStorageEnforced = enforced; 20310 mSettings.writeLPr(); 20311 } 20312 } 20313 // kill any non-foreground processes so we restart them and 20314 // grant/revoke the GID. 20315 final IActivityManager am = ActivityManagerNative.getDefault(); 20316 if (am != null) { 20317 final long token = Binder.clearCallingIdentity(); 20318 try { 20319 am.killProcessesBelowForeground("setPermissionEnforcement"); 20320 } catch (RemoteException e) { 20321 } finally { 20322 Binder.restoreCallingIdentity(token); 20323 } 20324 } 20325 } else { 20326 throw new IllegalArgumentException("No selective enforcement for " + permission); 20327 } 20328 } 20329 20330 @Override 20331 @Deprecated 20332 public boolean isPermissionEnforced(String permission) { 20333 return true; 20334 } 20335 20336 @Override 20337 public boolean isStorageLow() { 20338 final long token = Binder.clearCallingIdentity(); 20339 try { 20340 final DeviceStorageMonitorInternal 20341 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20342 if (dsm != null) { 20343 return dsm.isMemoryLow(); 20344 } else { 20345 return false; 20346 } 20347 } finally { 20348 Binder.restoreCallingIdentity(token); 20349 } 20350 } 20351 20352 @Override 20353 public IPackageInstaller getPackageInstaller() { 20354 return mInstallerService; 20355 } 20356 20357 private boolean userNeedsBadging(int userId) { 20358 int index = mUserNeedsBadging.indexOfKey(userId); 20359 if (index < 0) { 20360 final UserInfo userInfo; 20361 final long token = Binder.clearCallingIdentity(); 20362 try { 20363 userInfo = sUserManager.getUserInfo(userId); 20364 } finally { 20365 Binder.restoreCallingIdentity(token); 20366 } 20367 final boolean b; 20368 if (userInfo != null && userInfo.isManagedProfile()) { 20369 b = true; 20370 } else { 20371 b = false; 20372 } 20373 mUserNeedsBadging.put(userId, b); 20374 return b; 20375 } 20376 return mUserNeedsBadging.valueAt(index); 20377 } 20378 20379 @Override 20380 public KeySet getKeySetByAlias(String packageName, String alias) { 20381 if (packageName == null || alias == null) { 20382 return null; 20383 } 20384 synchronized(mPackages) { 20385 final PackageParser.Package pkg = mPackages.get(packageName); 20386 if (pkg == null) { 20387 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20388 throw new IllegalArgumentException("Unknown package: " + packageName); 20389 } 20390 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20391 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20392 } 20393 } 20394 20395 @Override 20396 public KeySet getSigningKeySet(String packageName) { 20397 if (packageName == null) { 20398 return null; 20399 } 20400 synchronized(mPackages) { 20401 final PackageParser.Package pkg = mPackages.get(packageName); 20402 if (pkg == null) { 20403 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20404 throw new IllegalArgumentException("Unknown package: " + packageName); 20405 } 20406 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20407 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20408 throw new SecurityException("May not access signing KeySet of other apps."); 20409 } 20410 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20411 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20412 } 20413 } 20414 20415 @Override 20416 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20417 if (packageName == null || ks == null) { 20418 return false; 20419 } 20420 synchronized(mPackages) { 20421 final PackageParser.Package pkg = mPackages.get(packageName); 20422 if (pkg == null) { 20423 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20424 throw new IllegalArgumentException("Unknown package: " + packageName); 20425 } 20426 IBinder ksh = ks.getToken(); 20427 if (ksh instanceof KeySetHandle) { 20428 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20429 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20430 } 20431 return false; 20432 } 20433 } 20434 20435 @Override 20436 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20437 if (packageName == null || ks == null) { 20438 return false; 20439 } 20440 synchronized(mPackages) { 20441 final PackageParser.Package pkg = mPackages.get(packageName); 20442 if (pkg == null) { 20443 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20444 throw new IllegalArgumentException("Unknown package: " + packageName); 20445 } 20446 IBinder ksh = ks.getToken(); 20447 if (ksh instanceof KeySetHandle) { 20448 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20449 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20450 } 20451 return false; 20452 } 20453 } 20454 20455 private void deletePackageIfUnusedLPr(final String packageName) { 20456 PackageSetting ps = mSettings.mPackages.get(packageName); 20457 if (ps == null) { 20458 return; 20459 } 20460 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20461 // TODO Implement atomic delete if package is unused 20462 // It is currently possible that the package will be deleted even if it is installed 20463 // after this method returns. 20464 mHandler.post(new Runnable() { 20465 public void run() { 20466 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20467 } 20468 }); 20469 } 20470 } 20471 20472 /** 20473 * Check and throw if the given before/after packages would be considered a 20474 * downgrade. 20475 */ 20476 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20477 throws PackageManagerException { 20478 if (after.versionCode < before.mVersionCode) { 20479 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20480 "Update version code " + after.versionCode + " is older than current " 20481 + before.mVersionCode); 20482 } else if (after.versionCode == before.mVersionCode) { 20483 if (after.baseRevisionCode < before.baseRevisionCode) { 20484 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20485 "Update base revision code " + after.baseRevisionCode 20486 + " is older than current " + before.baseRevisionCode); 20487 } 20488 20489 if (!ArrayUtils.isEmpty(after.splitNames)) { 20490 for (int i = 0; i < after.splitNames.length; i++) { 20491 final String splitName = after.splitNames[i]; 20492 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20493 if (j != -1) { 20494 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20495 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20496 "Update split " + splitName + " revision code " 20497 + after.splitRevisionCodes[i] + " is older than current " 20498 + before.splitRevisionCodes[j]); 20499 } 20500 } 20501 } 20502 } 20503 } 20504 } 20505 20506 private static class MoveCallbacks extends Handler { 20507 private static final int MSG_CREATED = 1; 20508 private static final int MSG_STATUS_CHANGED = 2; 20509 20510 private final RemoteCallbackList<IPackageMoveObserver> 20511 mCallbacks = new RemoteCallbackList<>(); 20512 20513 private final SparseIntArray mLastStatus = new SparseIntArray(); 20514 20515 public MoveCallbacks(Looper looper) { 20516 super(looper); 20517 } 20518 20519 public void register(IPackageMoveObserver callback) { 20520 mCallbacks.register(callback); 20521 } 20522 20523 public void unregister(IPackageMoveObserver callback) { 20524 mCallbacks.unregister(callback); 20525 } 20526 20527 @Override 20528 public void handleMessage(Message msg) { 20529 final SomeArgs args = (SomeArgs) msg.obj; 20530 final int n = mCallbacks.beginBroadcast(); 20531 for (int i = 0; i < n; i++) { 20532 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20533 try { 20534 invokeCallback(callback, msg.what, args); 20535 } catch (RemoteException ignored) { 20536 } 20537 } 20538 mCallbacks.finishBroadcast(); 20539 args.recycle(); 20540 } 20541 20542 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20543 throws RemoteException { 20544 switch (what) { 20545 case MSG_CREATED: { 20546 callback.onCreated(args.argi1, (Bundle) args.arg2); 20547 break; 20548 } 20549 case MSG_STATUS_CHANGED: { 20550 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20551 break; 20552 } 20553 } 20554 } 20555 20556 private void notifyCreated(int moveId, Bundle extras) { 20557 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20558 20559 final SomeArgs args = SomeArgs.obtain(); 20560 args.argi1 = moveId; 20561 args.arg2 = extras; 20562 obtainMessage(MSG_CREATED, args).sendToTarget(); 20563 } 20564 20565 private void notifyStatusChanged(int moveId, int status) { 20566 notifyStatusChanged(moveId, status, -1); 20567 } 20568 20569 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20570 Slog.v(TAG, "Move " + moveId + " status " + status); 20571 20572 final SomeArgs args = SomeArgs.obtain(); 20573 args.argi1 = moveId; 20574 args.argi2 = status; 20575 args.arg3 = estMillis; 20576 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20577 20578 synchronized (mLastStatus) { 20579 mLastStatus.put(moveId, status); 20580 } 20581 } 20582 } 20583 20584 private final static class OnPermissionChangeListeners extends Handler { 20585 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20586 20587 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20588 new RemoteCallbackList<>(); 20589 20590 public OnPermissionChangeListeners(Looper looper) { 20591 super(looper); 20592 } 20593 20594 @Override 20595 public void handleMessage(Message msg) { 20596 switch (msg.what) { 20597 case MSG_ON_PERMISSIONS_CHANGED: { 20598 final int uid = msg.arg1; 20599 handleOnPermissionsChanged(uid); 20600 } break; 20601 } 20602 } 20603 20604 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20605 mPermissionListeners.register(listener); 20606 20607 } 20608 20609 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20610 mPermissionListeners.unregister(listener); 20611 } 20612 20613 public void onPermissionsChanged(int uid) { 20614 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20615 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20616 } 20617 } 20618 20619 private void handleOnPermissionsChanged(int uid) { 20620 final int count = mPermissionListeners.beginBroadcast(); 20621 try { 20622 for (int i = 0; i < count; i++) { 20623 IOnPermissionsChangeListener callback = mPermissionListeners 20624 .getBroadcastItem(i); 20625 try { 20626 callback.onPermissionsChanged(uid); 20627 } catch (RemoteException e) { 20628 Log.e(TAG, "Permission listener is dead", e); 20629 } 20630 } 20631 } finally { 20632 mPermissionListeners.finishBroadcast(); 20633 } 20634 } 20635 } 20636 20637 private class PackageManagerInternalImpl extends PackageManagerInternal { 20638 @Override 20639 public void setLocationPackagesProvider(PackagesProvider provider) { 20640 synchronized (mPackages) { 20641 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20642 } 20643 } 20644 20645 @Override 20646 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20647 synchronized (mPackages) { 20648 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20649 } 20650 } 20651 20652 @Override 20653 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20654 synchronized (mPackages) { 20655 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20656 } 20657 } 20658 20659 @Override 20660 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20661 synchronized (mPackages) { 20662 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20663 } 20664 } 20665 20666 @Override 20667 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20668 synchronized (mPackages) { 20669 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20670 } 20671 } 20672 20673 @Override 20674 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20675 synchronized (mPackages) { 20676 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20677 } 20678 } 20679 20680 @Override 20681 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20682 synchronized (mPackages) { 20683 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20684 packageName, userId); 20685 } 20686 } 20687 20688 @Override 20689 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20690 synchronized (mPackages) { 20691 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20692 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20693 packageName, userId); 20694 } 20695 } 20696 20697 @Override 20698 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20699 synchronized (mPackages) { 20700 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20701 packageName, userId); 20702 } 20703 } 20704 20705 @Override 20706 public void setKeepUninstalledPackages(final List<String> packageList) { 20707 Preconditions.checkNotNull(packageList); 20708 List<String> removedFromList = null; 20709 synchronized (mPackages) { 20710 if (mKeepUninstalledPackages != null) { 20711 final int packagesCount = mKeepUninstalledPackages.size(); 20712 for (int i = 0; i < packagesCount; i++) { 20713 String oldPackage = mKeepUninstalledPackages.get(i); 20714 if (packageList != null && packageList.contains(oldPackage)) { 20715 continue; 20716 } 20717 if (removedFromList == null) { 20718 removedFromList = new ArrayList<>(); 20719 } 20720 removedFromList.add(oldPackage); 20721 } 20722 } 20723 mKeepUninstalledPackages = new ArrayList<>(packageList); 20724 if (removedFromList != null) { 20725 final int removedCount = removedFromList.size(); 20726 for (int i = 0; i < removedCount; i++) { 20727 deletePackageIfUnusedLPr(removedFromList.get(i)); 20728 } 20729 } 20730 } 20731 } 20732 20733 @Override 20734 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20735 synchronized (mPackages) { 20736 // If we do not support permission review, done. 20737 if (!mPermissionReviewRequired && !Build.PERMISSIONS_REVIEW_REQUIRED) { 20738 return false; 20739 } 20740 20741 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20742 if (packageSetting == null) { 20743 return false; 20744 } 20745 20746 // Permission review applies only to apps not supporting the new permission model. 20747 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20748 return false; 20749 } 20750 20751 // Legacy apps have the permission and get user consent on launch. 20752 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20753 return permissionsState.isPermissionReviewRequired(userId); 20754 } 20755 } 20756 20757 @Override 20758 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20759 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20760 } 20761 20762 @Override 20763 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20764 int userId) { 20765 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20766 } 20767 20768 @Override 20769 public void setDeviceAndProfileOwnerPackages( 20770 int deviceOwnerUserId, String deviceOwnerPackage, 20771 SparseArray<String> profileOwnerPackages) { 20772 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20773 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20774 } 20775 20776 @Override 20777 public boolean canPackageBeWiped(int userId, String packageName) { 20778 return mProtectedPackages.canPackageBeWiped(userId, 20779 packageName); 20780 } 20781 } 20782 20783 @Override 20784 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20785 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20786 synchronized (mPackages) { 20787 final long identity = Binder.clearCallingIdentity(); 20788 try { 20789 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20790 packageNames, userId); 20791 } finally { 20792 Binder.restoreCallingIdentity(identity); 20793 } 20794 } 20795 } 20796 20797 private static void enforceSystemOrPhoneCaller(String tag) { 20798 int callingUid = Binder.getCallingUid(); 20799 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20800 throw new SecurityException( 20801 "Cannot call " + tag + " from UID " + callingUid); 20802 } 20803 } 20804 20805 boolean isHistoricalPackageUsageAvailable() { 20806 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20807 } 20808 20809 /** 20810 * Return a <b>copy</b> of the collection of packages known to the package manager. 20811 * @return A copy of the values of mPackages. 20812 */ 20813 Collection<PackageParser.Package> getPackages() { 20814 synchronized (mPackages) { 20815 return new ArrayList<>(mPackages.values()); 20816 } 20817 } 20818 20819 /** 20820 * Logs process start information (including base APK hash) to the security log. 20821 * @hide 20822 */ 20823 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20824 String apkFile, int pid) { 20825 if (!SecurityLog.isLoggingEnabled()) { 20826 return; 20827 } 20828 Bundle data = new Bundle(); 20829 data.putLong("startTimestamp", System.currentTimeMillis()); 20830 data.putString("processName", processName); 20831 data.putInt("uid", uid); 20832 data.putString("seinfo", seinfo); 20833 data.putString("apkFile", apkFile); 20834 data.putInt("pid", pid); 20835 Message msg = mProcessLoggingHandler.obtainMessage( 20836 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20837 msg.setData(data); 20838 mProcessLoggingHandler.sendMessage(msg); 20839 } 20840 20841 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 20842 return mCompilerStats.getPackageStats(pkgName); 20843 } 20844 20845 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 20846 return getOrCreateCompilerPackageStats(pkg.packageName); 20847 } 20848 20849 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 20850 return mCompilerStats.getOrCreatePackageStats(pkgName); 20851 } 20852 20853 public void deleteCompilerPackageStats(String pkgName) { 20854 mCompilerStats.deletePackageStats(pkgName); 20855 } 20856} 20857