PackageManagerService.java revision 85f449eaba207d5d3a72bd091855a02ff019404c
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.annotation.UserIdInt; 106import android.app.ActivityManager; 107import android.app.ActivityManagerNative; 108import android.app.IActivityManager; 109import android.app.ResourcesManager; 110import android.app.admin.IDevicePolicyManager; 111import android.app.admin.SecurityLog; 112import android.app.backup.IBackupManager; 113import android.content.BroadcastReceiver; 114import android.content.ComponentName; 115import android.content.Context; 116import android.content.IIntentReceiver; 117import android.content.Intent; 118import android.content.IntentFilter; 119import android.content.IntentSender; 120import android.content.IntentSender.SendIntentException; 121import android.content.ServiceConnection; 122import android.content.pm.ActivityInfo; 123import android.content.pm.ApplicationInfo; 124import android.content.pm.AppsQueryHelper; 125import android.content.pm.ComponentInfo; 126import android.content.pm.EphemeralApplicationInfo; 127import android.content.pm.EphemeralResolveInfo; 128import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 129import android.content.pm.FeatureInfo; 130import android.content.pm.IOnPermissionsChangeListener; 131import android.content.pm.IPackageDataObserver; 132import android.content.pm.IPackageDeleteObserver; 133import android.content.pm.IPackageDeleteObserver2; 134import android.content.pm.IPackageInstallObserver2; 135import android.content.pm.IPackageInstaller; 136import android.content.pm.IPackageManager; 137import android.content.pm.IPackageMoveObserver; 138import android.content.pm.IPackageStatsObserver; 139import android.content.pm.InstrumentationInfo; 140import android.content.pm.IntentFilterVerificationInfo; 141import android.content.pm.KeySet; 142import android.content.pm.PackageCleanItem; 143import android.content.pm.PackageInfo; 144import android.content.pm.PackageInfoLite; 145import android.content.pm.PackageInstaller; 146import android.content.pm.PackageManager; 147import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 148import android.content.pm.PackageManagerInternal; 149import android.content.pm.PackageParser; 150import android.content.pm.PackageParser.ActivityIntentInfo; 151import android.content.pm.PackageParser.PackageLite; 152import android.content.pm.PackageParser.PackageParserException; 153import android.content.pm.PackageStats; 154import android.content.pm.PackageUserState; 155import android.content.pm.ParceledListSlice; 156import android.content.pm.PermissionGroupInfo; 157import android.content.pm.PermissionInfo; 158import android.content.pm.ProviderInfo; 159import android.content.pm.ResolveInfo; 160import android.content.pm.ServiceInfo; 161import android.content.pm.Signature; 162import android.content.pm.UserInfo; 163import android.content.pm.VerifierDeviceIdentity; 164import android.content.pm.VerifierInfo; 165import android.content.res.Resources; 166import android.graphics.Bitmap; 167import android.hardware.display.DisplayManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IMountService; 195import android.os.storage.MountServiceInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.security.KeyStore; 201import android.security.SystemKeyStore; 202import android.system.ErrnoException; 203import android.system.Os; 204import android.text.TextUtils; 205import android.text.format.DateUtils; 206import android.util.ArrayMap; 207import android.util.ArraySet; 208import android.util.AtomicFile; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.PrintStreamPrinter; 216import android.util.Slog; 217import android.util.SparseArray; 218import android.util.SparseBooleanArray; 219import android.util.SparseIntArray; 220import android.util.Xml; 221import android.util.jar.StrictJarFile; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.logging.MetricsLogger; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.telephony.CarrierAppUtils; 236import com.android.internal.util.ArrayUtils; 237import com.android.internal.util.FastPrintWriter; 238import com.android.internal.util.FastXmlSerializer; 239import com.android.internal.util.IndentingPrintWriter; 240import com.android.internal.util.Preconditions; 241import com.android.internal.util.XmlUtils; 242import com.android.server.AttributeCache; 243import com.android.server.EventLogTags; 244import com.android.server.FgThread; 245import com.android.server.IntentResolver; 246import com.android.server.LocalServices; 247import com.android.server.ServiceThread; 248import com.android.server.SystemConfig; 249import com.android.server.Watchdog; 250import com.android.server.net.NetworkPolicyManagerInternal; 251import com.android.server.pm.PermissionsState.PermissionState; 252import com.android.server.pm.Settings.DatabaseVersion; 253import com.android.server.pm.Settings.VersionInfo; 254import com.android.server.storage.DeviceStorageMonitorInternal; 255 256import dalvik.system.CloseGuard; 257import dalvik.system.DexFile; 258import dalvik.system.VMRuntime; 259 260import libcore.io.IoUtils; 261import libcore.util.EmptyArray; 262 263import org.xmlpull.v1.XmlPullParser; 264import org.xmlpull.v1.XmlPullParserException; 265import org.xmlpull.v1.XmlSerializer; 266 267import java.io.BufferedInputStream; 268import java.io.BufferedOutputStream; 269import java.io.BufferedReader; 270import java.io.ByteArrayInputStream; 271import java.io.ByteArrayOutputStream; 272import java.io.File; 273import java.io.FileDescriptor; 274import java.io.FileInputStream; 275import java.io.FileNotFoundException; 276import java.io.FileOutputStream; 277import java.io.FileReader; 278import java.io.FilenameFilter; 279import java.io.IOException; 280import java.io.InputStream; 281import java.io.PrintWriter; 282import java.nio.charset.StandardCharsets; 283import java.security.DigestInputStream; 284import java.security.MessageDigest; 285import java.security.NoSuchAlgorithmException; 286import java.security.PublicKey; 287import java.security.cert.Certificate; 288import java.security.cert.CertificateEncodingException; 289import java.security.cert.CertificateException; 290import java.text.SimpleDateFormat; 291import java.util.ArrayList; 292import java.util.Arrays; 293import java.util.Collection; 294import java.util.Collections; 295import java.util.Comparator; 296import java.util.Date; 297import java.util.HashSet; 298import java.util.Iterator; 299import java.util.List; 300import java.util.Map; 301import java.util.Objects; 302import java.util.Set; 303import java.util.concurrent.CountDownLatch; 304import java.util.concurrent.TimeUnit; 305import java.util.concurrent.atomic.AtomicBoolean; 306import java.util.concurrent.atomic.AtomicInteger; 307import java.util.concurrent.atomic.AtomicLong; 308 309/** 310 * Keep track of all those APKs everywhere. 311 * <p> 312 * Internally there are two important locks: 313 * <ul> 314 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 315 * and other related state. It is a fine-grained lock that should only be held 316 * momentarily, as it's one of the most contended locks in the system. 317 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 318 * operations typically involve heavy lifting of application data on disk. Since 319 * {@code installd} is single-threaded, and it's operations can often be slow, 320 * this lock should never be acquired while already holding {@link #mPackages}. 321 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 322 * holding {@link #mInstallLock}. 323 * </ul> 324 * Many internal methods rely on the caller to hold the appropriate locks, and 325 * this contract is expressed through method name suffixes: 326 * <ul> 327 * <li>fooLI(): the caller must hold {@link #mInstallLock} 328 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 329 * being modified must be frozen 330 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 331 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 332 * </ul> 333 * <p> 334 * Because this class is very central to the platform's security; please run all 335 * CTS and unit tests whenever making modifications: 336 * 337 * <pre> 338 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 339 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 340 * </pre> 341 */ 342public class PackageManagerService extends IPackageManager.Stub { 343 static final String TAG = "PackageManager"; 344 static final boolean DEBUG_SETTINGS = false; 345 static final boolean DEBUG_PREFERRED = false; 346 static final boolean DEBUG_UPGRADE = false; 347 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 348 private static final boolean DEBUG_BACKUP = false; 349 private static final boolean DEBUG_INSTALL = false; 350 private static final boolean DEBUG_REMOVE = false; 351 private static final boolean DEBUG_BROADCASTS = false; 352 private static final boolean DEBUG_SHOW_INFO = false; 353 private static final boolean DEBUG_PACKAGE_INFO = false; 354 private static final boolean DEBUG_INTENT_MATCHING = false; 355 private static final boolean DEBUG_PACKAGE_SCANNING = false; 356 private static final boolean DEBUG_VERIFY = false; 357 private static final boolean DEBUG_FILTERS = false; 358 359 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 360 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 361 // user, but by default initialize to this. 362 static final boolean DEBUG_DEXOPT = false; 363 364 private static final boolean DEBUG_ABI_SELECTION = false; 365 private static final boolean DEBUG_EPHEMERAL = false; 366 private static final boolean DEBUG_TRIAGED_MISSING = false; 367 private static final boolean DEBUG_APP_DATA = false; 368 369 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 370 371 private static final boolean DISABLE_EPHEMERAL_APPS = true; 372 373 private static final int RADIO_UID = Process.PHONE_UID; 374 private static final int LOG_UID = Process.LOG_UID; 375 private static final int NFC_UID = Process.NFC_UID; 376 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 377 private static final int SHELL_UID = Process.SHELL_UID; 378 379 // Cap the size of permission trees that 3rd party apps can define 380 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 381 382 // Suffix used during package installation when copying/moving 383 // package apks to install directory. 384 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 385 386 static final int SCAN_NO_DEX = 1<<1; 387 static final int SCAN_FORCE_DEX = 1<<2; 388 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 389 static final int SCAN_NEW_INSTALL = 1<<4; 390 static final int SCAN_NO_PATHS = 1<<5; 391 static final int SCAN_UPDATE_TIME = 1<<6; 392 static final int SCAN_DEFER_DEX = 1<<7; 393 static final int SCAN_BOOTING = 1<<8; 394 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 395 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 396 static final int SCAN_REPLACING = 1<<11; 397 static final int SCAN_REQUIRE_KNOWN = 1<<12; 398 static final int SCAN_MOVE = 1<<13; 399 static final int SCAN_INITIAL = 1<<14; 400 static final int SCAN_CHECK_ONLY = 1<<15; 401 static final int SCAN_DONT_KILL_APP = 1<<17; 402 static final int SCAN_IGNORE_FROZEN = 1<<18; 403 404 static final int REMOVE_CHATTY = 1<<16; 405 406 private static final int[] EMPTY_INT_ARRAY = new int[0]; 407 408 /** 409 * Timeout (in milliseconds) after which the watchdog should declare that 410 * our handler thread is wedged. The usual default for such things is one 411 * minute but we sometimes do very lengthy I/O operations on this thread, 412 * such as installing multi-gigabyte applications, so ours needs to be longer. 413 */ 414 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 415 416 /** 417 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 418 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 419 * settings entry if available, otherwise we use the hardcoded default. If it's been 420 * more than this long since the last fstrim, we force one during the boot sequence. 421 * 422 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 423 * one gets run at the next available charging+idle time. This final mandatory 424 * no-fstrim check kicks in only of the other scheduling criteria is never met. 425 */ 426 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 427 428 /** 429 * Whether verification is enabled by default. 430 */ 431 private static final boolean DEFAULT_VERIFY_ENABLE = true; 432 433 /** 434 * The default maximum time to wait for the verification agent to return in 435 * milliseconds. 436 */ 437 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 438 439 /** 440 * The default response for package verification timeout. 441 * 442 * This can be either PackageManager.VERIFICATION_ALLOW or 443 * PackageManager.VERIFICATION_REJECT. 444 */ 445 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 446 447 static final String PLATFORM_PACKAGE_NAME = "android"; 448 449 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 450 451 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 452 DEFAULT_CONTAINER_PACKAGE, 453 "com.android.defcontainer.DefaultContainerService"); 454 455 private static final String KILL_APP_REASON_GIDS_CHANGED = 456 "permission grant or revoke changed gids"; 457 458 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 459 "permissions revoked"; 460 461 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 462 463 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 464 465 /** Permission grant: not grant the permission. */ 466 private static final int GRANT_DENIED = 1; 467 468 /** Permission grant: grant the permission as an install permission. */ 469 private static final int GRANT_INSTALL = 2; 470 471 /** Permission grant: grant the permission as a runtime one. */ 472 private static final int GRANT_RUNTIME = 3; 473 474 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 475 private static final int GRANT_UPGRADE = 4; 476 477 /** Canonical intent used to identify what counts as a "web browser" app */ 478 private static final Intent sBrowserIntent; 479 static { 480 sBrowserIntent = new Intent(); 481 sBrowserIntent.setAction(Intent.ACTION_VIEW); 482 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 483 sBrowserIntent.setData(Uri.parse("http:")); 484 } 485 486 /** 487 * The set of all protected actions [i.e. those actions for which a high priority 488 * intent filter is disallowed]. 489 */ 490 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 491 static { 492 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 493 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 494 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 495 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 496 } 497 498 // Compilation reasons. 499 public static final int REASON_FIRST_BOOT = 0; 500 public static final int REASON_BOOT = 1; 501 public static final int REASON_INSTALL = 2; 502 public static final int REASON_BACKGROUND_DEXOPT = 3; 503 public static final int REASON_AB_OTA = 4; 504 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 505 public static final int REASON_SHARED_APK = 6; 506 public static final int REASON_FORCED_DEXOPT = 7; 507 public static final int REASON_CORE_APP = 8; 508 509 public static final int REASON_LAST = REASON_CORE_APP; 510 511 /** Special library name that skips shared libraries check during compilation. */ 512 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 513 514 final ServiceThread mHandlerThread; 515 516 final PackageHandler mHandler; 517 518 private final ProcessLoggingHandler mProcessLoggingHandler; 519 520 /** 521 * Messages for {@link #mHandler} that need to wait for system ready before 522 * being dispatched. 523 */ 524 private ArrayList<Message> mPostSystemReadyMessages; 525 526 final int mSdkVersion = Build.VERSION.SDK_INT; 527 528 final Context mContext; 529 final boolean mFactoryTest; 530 final boolean mOnlyCore; 531 final DisplayMetrics mMetrics; 532 final int mDefParseFlags; 533 final String[] mSeparateProcesses; 534 final boolean mIsUpgrade; 535 final boolean mIsPreNUpgrade; 536 537 /** The location for ASEC container files on internal storage. */ 538 final String mAsecInternalPath; 539 540 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 541 // LOCK HELD. Can be called with mInstallLock held. 542 @GuardedBy("mInstallLock") 543 final Installer mInstaller; 544 545 /** Directory where installed third-party apps stored */ 546 final File mAppInstallDir; 547 final File mEphemeralInstallDir; 548 549 /** 550 * Directory to which applications installed internally have their 551 * 32 bit native libraries copied. 552 */ 553 private File mAppLib32InstallDir; 554 555 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 556 // apps. 557 final File mDrmAppPrivateInstallDir; 558 559 // ---------------------------------------------------------------- 560 561 // Lock for state used when installing and doing other long running 562 // operations. Methods that must be called with this lock held have 563 // the suffix "LI". 564 final Object mInstallLock = new Object(); 565 566 // ---------------------------------------------------------------- 567 568 // Keys are String (package name), values are Package. This also serves 569 // as the lock for the global state. Methods that must be called with 570 // this lock held have the prefix "LP". 571 @GuardedBy("mPackages") 572 final ArrayMap<String, PackageParser.Package> mPackages = 573 new ArrayMap<String, PackageParser.Package>(); 574 575 final ArrayMap<String, Set<String>> mKnownCodebase = 576 new ArrayMap<String, Set<String>>(); 577 578 // Tracks available target package names -> overlay package paths. 579 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 580 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 581 582 /** 583 * Tracks new system packages [received in an OTA] that we expect to 584 * find updated user-installed versions. Keys are package name, values 585 * are package location. 586 */ 587 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 588 /** 589 * Tracks high priority intent filters for protected actions. During boot, certain 590 * filter actions are protected and should never be allowed to have a high priority 591 * intent filter for them. However, there is one, and only one exception -- the 592 * setup wizard. It must be able to define a high priority intent filter for these 593 * actions to ensure there are no escapes from the wizard. We need to delay processing 594 * of these during boot as we need to look at all of the system packages in order 595 * to know which component is the setup wizard. 596 */ 597 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 598 /** 599 * Whether or not processing protected filters should be deferred. 600 */ 601 private boolean mDeferProtectedFilters = true; 602 603 /** 604 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 605 */ 606 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 607 /** 608 * Whether or not system app permissions should be promoted from install to runtime. 609 */ 610 boolean mPromoteSystemApps; 611 612 @GuardedBy("mPackages") 613 final Settings mSettings; 614 615 /** 616 * Set of package names that are currently "frozen", which means active 617 * surgery is being done on the code/data for that package. The platform 618 * will refuse to launch frozen packages to avoid race conditions. 619 * 620 * @see PackageFreezer 621 */ 622 @GuardedBy("mPackages") 623 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 624 625 final ProtectedPackages mProtectedPackages = new ProtectedPackages(); 626 627 boolean mRestoredSettings; 628 629 // System configuration read by SystemConfig. 630 final int[] mGlobalGids; 631 final SparseArray<ArraySet<String>> mSystemPermissions; 632 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 633 634 // If mac_permissions.xml was found for seinfo labeling. 635 boolean mFoundPolicyFile; 636 637 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 638 639 public static final class SharedLibraryEntry { 640 public final String path; 641 public final String apk; 642 643 SharedLibraryEntry(String _path, String _apk) { 644 path = _path; 645 apk = _apk; 646 } 647 } 648 649 // Currently known shared libraries. 650 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 651 new ArrayMap<String, SharedLibraryEntry>(); 652 653 // All available activities, for your resolving pleasure. 654 final ActivityIntentResolver mActivities = 655 new ActivityIntentResolver(); 656 657 // All available receivers, for your resolving pleasure. 658 final ActivityIntentResolver mReceivers = 659 new ActivityIntentResolver(); 660 661 // All available services, for your resolving pleasure. 662 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 663 664 // All available providers, for your resolving pleasure. 665 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 666 667 // Mapping from provider base names (first directory in content URI codePath) 668 // to the provider information. 669 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 670 new ArrayMap<String, PackageParser.Provider>(); 671 672 // Mapping from instrumentation class names to info about them. 673 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 674 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 675 676 // Mapping from permission names to info about them. 677 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 678 new ArrayMap<String, PackageParser.PermissionGroup>(); 679 680 // Packages whose data we have transfered into another package, thus 681 // should no longer exist. 682 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 683 684 // Broadcast actions that are only available to the system. 685 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 686 687 /** List of packages waiting for verification. */ 688 final SparseArray<PackageVerificationState> mPendingVerification 689 = new SparseArray<PackageVerificationState>(); 690 691 /** Set of packages associated with each app op permission. */ 692 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 693 694 final PackageInstallerService mInstallerService; 695 696 private final PackageDexOptimizer mPackageDexOptimizer; 697 698 private AtomicInteger mNextMoveId = new AtomicInteger(); 699 private final MoveCallbacks mMoveCallbacks; 700 701 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 702 703 // Cache of users who need badging. 704 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 705 706 /** Token for keys in mPendingVerification. */ 707 private int mPendingVerificationToken = 0; 708 709 volatile boolean mSystemReady; 710 volatile boolean mSafeMode; 711 volatile boolean mHasSystemUidErrors; 712 713 ApplicationInfo mAndroidApplication; 714 final ActivityInfo mResolveActivity = new ActivityInfo(); 715 final ResolveInfo mResolveInfo = new ResolveInfo(); 716 ComponentName mResolveComponentName; 717 PackageParser.Package mPlatformPackage; 718 ComponentName mCustomResolverComponentName; 719 720 boolean mResolverReplaced = false; 721 722 private final @Nullable ComponentName mIntentFilterVerifierComponent; 723 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 724 725 private int mIntentFilterVerificationToken = 0; 726 727 /** Component that knows whether or not an ephemeral application exists */ 728 final ComponentName mEphemeralResolverComponent; 729 /** The service connection to the ephemeral resolver */ 730 final EphemeralResolverConnection mEphemeralResolverConnection; 731 732 /** Component used to install ephemeral applications */ 733 final ComponentName mEphemeralInstallerComponent; 734 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 735 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 736 737 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 738 = new SparseArray<IntentFilterVerificationState>(); 739 740 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 741 new DefaultPermissionGrantPolicy(this); 742 743 // List of packages names to keep cached, even if they are uninstalled for all users 744 private List<String> mKeepUninstalledPackages; 745 746 private UserManagerInternal mUserManagerInternal; 747 748 private static class IFVerificationParams { 749 PackageParser.Package pkg; 750 boolean replacing; 751 int userId; 752 int verifierUid; 753 754 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 755 int _userId, int _verifierUid) { 756 pkg = _pkg; 757 replacing = _replacing; 758 userId = _userId; 759 replacing = _replacing; 760 verifierUid = _verifierUid; 761 } 762 } 763 764 private interface IntentFilterVerifier<T extends IntentFilter> { 765 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 766 T filter, String packageName); 767 void startVerifications(int userId); 768 void receiveVerificationResponse(int verificationId); 769 } 770 771 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 772 private Context mContext; 773 private ComponentName mIntentFilterVerifierComponent; 774 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 775 776 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 777 mContext = context; 778 mIntentFilterVerifierComponent = verifierComponent; 779 } 780 781 private String getDefaultScheme() { 782 return IntentFilter.SCHEME_HTTPS; 783 } 784 785 @Override 786 public void startVerifications(int userId) { 787 // Launch verifications requests 788 int count = mCurrentIntentFilterVerifications.size(); 789 for (int n=0; n<count; n++) { 790 int verificationId = mCurrentIntentFilterVerifications.get(n); 791 final IntentFilterVerificationState ivs = 792 mIntentFilterVerificationStates.get(verificationId); 793 794 String packageName = ivs.getPackageName(); 795 796 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 797 final int filterCount = filters.size(); 798 ArraySet<String> domainsSet = new ArraySet<>(); 799 for (int m=0; m<filterCount; m++) { 800 PackageParser.ActivityIntentInfo filter = filters.get(m); 801 domainsSet.addAll(filter.getHostsList()); 802 } 803 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 804 synchronized (mPackages) { 805 if (mSettings.createIntentFilterVerificationIfNeededLPw( 806 packageName, domainsList) != null) { 807 scheduleWriteSettingsLocked(); 808 } 809 } 810 sendVerificationRequest(userId, verificationId, ivs); 811 } 812 mCurrentIntentFilterVerifications.clear(); 813 } 814 815 private void sendVerificationRequest(int userId, int verificationId, 816 IntentFilterVerificationState ivs) { 817 818 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 819 verificationIntent.putExtra( 820 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 821 verificationId); 822 verificationIntent.putExtra( 823 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 824 getDefaultScheme()); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 827 ivs.getHostsString()); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 830 ivs.getPackageName()); 831 verificationIntent.setComponent(mIntentFilterVerifierComponent); 832 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 833 834 UserHandle user = new UserHandle(userId); 835 mContext.sendBroadcastAsUser(verificationIntent, user); 836 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 837 "Sending IntentFilter verification broadcast"); 838 } 839 840 public void receiveVerificationResponse(int verificationId) { 841 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 842 843 final boolean verified = ivs.isVerified(); 844 845 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 846 final int count = filters.size(); 847 if (DEBUG_DOMAIN_VERIFICATION) { 848 Slog.i(TAG, "Received verification response " + verificationId 849 + " for " + count + " filters, verified=" + verified); 850 } 851 for (int n=0; n<count; n++) { 852 PackageParser.ActivityIntentInfo filter = filters.get(n); 853 filter.setVerified(verified); 854 855 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 856 + " verified with result:" + verified + " and hosts:" 857 + ivs.getHostsString()); 858 } 859 860 mIntentFilterVerificationStates.remove(verificationId); 861 862 final String packageName = ivs.getPackageName(); 863 IntentFilterVerificationInfo ivi = null; 864 865 synchronized (mPackages) { 866 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 867 } 868 if (ivi == null) { 869 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 870 + verificationId + " packageName:" + packageName); 871 return; 872 } 873 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 874 "Updating IntentFilterVerificationInfo for package " + packageName 875 +" verificationId:" + verificationId); 876 877 synchronized (mPackages) { 878 if (verified) { 879 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 880 } else { 881 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 882 } 883 scheduleWriteSettingsLocked(); 884 885 final int userId = ivs.getUserId(); 886 if (userId != UserHandle.USER_ALL) { 887 final int userStatus = 888 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 889 890 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 891 boolean needUpdate = false; 892 893 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 894 // already been set by the User thru the Disambiguation dialog 895 switch (userStatus) { 896 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 897 if (verified) { 898 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 899 } else { 900 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 901 } 902 needUpdate = true; 903 break; 904 905 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 906 if (verified) { 907 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 908 needUpdate = true; 909 } 910 break; 911 912 default: 913 // Nothing to do 914 } 915 916 if (needUpdate) { 917 mSettings.updateIntentFilterVerificationStatusLPw( 918 packageName, updatedStatus, userId); 919 scheduleWritePackageRestrictionsLocked(userId); 920 } 921 } 922 } 923 } 924 925 @Override 926 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 927 ActivityIntentInfo filter, String packageName) { 928 if (!hasValidDomains(filter)) { 929 return false; 930 } 931 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 932 if (ivs == null) { 933 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 934 packageName); 935 } 936 if (DEBUG_DOMAIN_VERIFICATION) { 937 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 938 } 939 ivs.addFilter(filter); 940 return true; 941 } 942 943 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 944 int userId, int verificationId, String packageName) { 945 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 946 verifierUid, userId, packageName); 947 ivs.setPendingState(); 948 synchronized (mPackages) { 949 mIntentFilterVerificationStates.append(verificationId, ivs); 950 mCurrentIntentFilterVerifications.add(verificationId); 951 } 952 return ivs; 953 } 954 } 955 956 private static boolean hasValidDomains(ActivityIntentInfo filter) { 957 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 958 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 959 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 960 } 961 962 // Set of pending broadcasts for aggregating enable/disable of components. 963 static class PendingPackageBroadcasts { 964 // for each user id, a map of <package name -> components within that package> 965 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 966 967 public PendingPackageBroadcasts() { 968 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 969 } 970 971 public ArrayList<String> get(int userId, String packageName) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 return packages.get(packageName); 974 } 975 976 public void put(int userId, String packageName, ArrayList<String> components) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 packages.put(packageName, components); 979 } 980 981 public void remove(int userId, String packageName) { 982 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 983 if (packages != null) { 984 packages.remove(packageName); 985 } 986 } 987 988 public void remove(int userId) { 989 mUidMap.remove(userId); 990 } 991 992 public int userIdCount() { 993 return mUidMap.size(); 994 } 995 996 public int userIdAt(int n) { 997 return mUidMap.keyAt(n); 998 } 999 1000 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1001 return mUidMap.get(userId); 1002 } 1003 1004 public int size() { 1005 // total number of pending broadcast entries across all userIds 1006 int num = 0; 1007 for (int i = 0; i< mUidMap.size(); i++) { 1008 num += mUidMap.valueAt(i).size(); 1009 } 1010 return num; 1011 } 1012 1013 public void clear() { 1014 mUidMap.clear(); 1015 } 1016 1017 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1018 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1019 if (map == null) { 1020 map = new ArrayMap<String, ArrayList<String>>(); 1021 mUidMap.put(userId, map); 1022 } 1023 return map; 1024 } 1025 } 1026 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1027 1028 // Service Connection to remote media container service to copy 1029 // package uri's from external media onto secure containers 1030 // or internal storage. 1031 private IMediaContainerService mContainerService = null; 1032 1033 static final int SEND_PENDING_BROADCAST = 1; 1034 static final int MCS_BOUND = 3; 1035 static final int END_COPY = 4; 1036 static final int INIT_COPY = 5; 1037 static final int MCS_UNBIND = 6; 1038 static final int START_CLEANING_PACKAGE = 7; 1039 static final int FIND_INSTALL_LOC = 8; 1040 static final int POST_INSTALL = 9; 1041 static final int MCS_RECONNECT = 10; 1042 static final int MCS_GIVE_UP = 11; 1043 static final int UPDATED_MEDIA_STATUS = 12; 1044 static final int WRITE_SETTINGS = 13; 1045 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1046 static final int PACKAGE_VERIFIED = 15; 1047 static final int CHECK_PENDING_VERIFICATION = 16; 1048 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1049 static final int INTENT_FILTER_VERIFIED = 18; 1050 static final int WRITE_PACKAGE_LIST = 19; 1051 1052 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1053 1054 // Delay time in millisecs 1055 static final int BROADCAST_DELAY = 10 * 1000; 1056 1057 static UserManagerService sUserManager; 1058 1059 // Stores a list of users whose package restrictions file needs to be updated 1060 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1061 1062 final private DefaultContainerConnection mDefContainerConn = 1063 new DefaultContainerConnection(); 1064 class DefaultContainerConnection implements ServiceConnection { 1065 public void onServiceConnected(ComponentName name, IBinder service) { 1066 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1067 IMediaContainerService imcs = 1068 IMediaContainerService.Stub.asInterface(service); 1069 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1070 } 1071 1072 public void onServiceDisconnected(ComponentName name) { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1074 } 1075 } 1076 1077 // Recordkeeping of restore-after-install operations that are currently in flight 1078 // between the Package Manager and the Backup Manager 1079 static class PostInstallData { 1080 public InstallArgs args; 1081 public PackageInstalledInfo res; 1082 1083 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1084 args = _a; 1085 res = _r; 1086 } 1087 } 1088 1089 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1090 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1091 1092 // XML tags for backup/restore of various bits of state 1093 private static final String TAG_PREFERRED_BACKUP = "pa"; 1094 private static final String TAG_DEFAULT_APPS = "da"; 1095 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1096 1097 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1098 private static final String TAG_ALL_GRANTS = "rt-grants"; 1099 private static final String TAG_GRANT = "grant"; 1100 private static final String ATTR_PACKAGE_NAME = "pkg"; 1101 1102 private static final String TAG_PERMISSION = "perm"; 1103 private static final String ATTR_PERMISSION_NAME = "name"; 1104 private static final String ATTR_IS_GRANTED = "g"; 1105 private static final String ATTR_USER_SET = "set"; 1106 private static final String ATTR_USER_FIXED = "fixed"; 1107 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1108 1109 // System/policy permission grants are not backed up 1110 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1111 FLAG_PERMISSION_POLICY_FIXED 1112 | FLAG_PERMISSION_SYSTEM_FIXED 1113 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1114 1115 // And we back up these user-adjusted states 1116 private static final int USER_RUNTIME_GRANT_MASK = 1117 FLAG_PERMISSION_USER_SET 1118 | FLAG_PERMISSION_USER_FIXED 1119 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1120 1121 final @Nullable String mRequiredVerifierPackage; 1122 final @NonNull String mRequiredInstallerPackage; 1123 final @Nullable String mSetupWizardPackage; 1124 final @NonNull String mServicesSystemSharedLibraryPackageName; 1125 final @NonNull String mSharedSystemSharedLibraryPackageName; 1126 1127 private final PackageUsage mPackageUsage = new PackageUsage(); 1128 1129 private class PackageUsage { 1130 private static final int WRITE_INTERVAL 1131 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1132 1133 private final Object mFileLock = new Object(); 1134 private final AtomicLong mLastWritten = new AtomicLong(0); 1135 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1136 1137 private boolean mIsHistoricalPackageUsageAvailable = true; 1138 1139 boolean isHistoricalPackageUsageAvailable() { 1140 return mIsHistoricalPackageUsageAvailable; 1141 } 1142 1143 void write(boolean force) { 1144 if (force) { 1145 writeInternal(); 1146 return; 1147 } 1148 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1149 && !DEBUG_DEXOPT) { 1150 return; 1151 } 1152 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1153 new Thread("PackageUsage_DiskWriter") { 1154 @Override 1155 public void run() { 1156 try { 1157 writeInternal(); 1158 } finally { 1159 mBackgroundWriteRunning.set(false); 1160 } 1161 } 1162 }.start(); 1163 } 1164 } 1165 1166 private void writeInternal() { 1167 synchronized (mPackages) { 1168 synchronized (mFileLock) { 1169 AtomicFile file = getFile(); 1170 FileOutputStream f = null; 1171 try { 1172 f = file.startWrite(); 1173 BufferedOutputStream out = new BufferedOutputStream(f); 1174 FileUtils.setPermissions(file.getBaseFile().getPath(), 1175 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1176 StringBuilder sb = new StringBuilder(); 1177 1178 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1179 sb.append('\n'); 1180 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1181 1182 for (PackageParser.Package pkg : mPackages.values()) { 1183 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1184 continue; 1185 } 1186 sb.setLength(0); 1187 sb.append(pkg.packageName); 1188 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1189 sb.append(' '); 1190 sb.append(usageTimeInMillis); 1191 } 1192 sb.append('\n'); 1193 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1194 } 1195 out.flush(); 1196 file.finishWrite(f); 1197 } catch (IOException e) { 1198 if (f != null) { 1199 file.failWrite(f); 1200 } 1201 Log.e(TAG, "Failed to write package usage times", e); 1202 } 1203 } 1204 } 1205 mLastWritten.set(SystemClock.elapsedRealtime()); 1206 } 1207 1208 void readLP() { 1209 synchronized (mFileLock) { 1210 AtomicFile file = getFile(); 1211 BufferedInputStream in = null; 1212 try { 1213 in = new BufferedInputStream(file.openRead()); 1214 StringBuffer sb = new StringBuffer(); 1215 1216 String firstLine = readLine(in, sb); 1217 if (firstLine == null) { 1218 // Empty file. Do nothing. 1219 } else if (USAGE_FILE_MAGIC_VERSION_1.equals(firstLine)) { 1220 readVersion1LP(in, sb); 1221 } else { 1222 readVersion0LP(in, sb, firstLine); 1223 } 1224 } catch (FileNotFoundException expected) { 1225 mIsHistoricalPackageUsageAvailable = false; 1226 } catch (IOException e) { 1227 Log.w(TAG, "Failed to read package usage times", e); 1228 } finally { 1229 IoUtils.closeQuietly(in); 1230 } 1231 } 1232 mLastWritten.set(SystemClock.elapsedRealtime()); 1233 } 1234 1235 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1236 throws IOException { 1237 // Initial version of the file had no version number and stored one 1238 // package-timestamp pair per line. 1239 // Note that the first line has already been read from the InputStream. 1240 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1241 String[] tokens = line.split(" "); 1242 if (tokens.length != 2) { 1243 throw new IOException("Failed to parse " + line + 1244 " as package-timestamp pair."); 1245 } 1246 1247 String packageName = tokens[0]; 1248 PackageParser.Package pkg = mPackages.get(packageName); 1249 if (pkg == null) { 1250 continue; 1251 } 1252 1253 long timestamp = parseAsLong(tokens[1]); 1254 for (int reason = 0; 1255 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1256 reason++) { 1257 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1258 } 1259 } 1260 } 1261 1262 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1263 // Version 1 of the file started with the corresponding version 1264 // number and then stored a package name and eight timestamps per line. 1265 String line; 1266 while ((line = readLine(in, sb)) != null) { 1267 String[] tokens = line.split(" "); 1268 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1269 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1270 } 1271 1272 String packageName = tokens[0]; 1273 PackageParser.Package pkg = mPackages.get(packageName); 1274 if (pkg == null) { 1275 continue; 1276 } 1277 1278 for (int reason = 0; 1279 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1280 reason++) { 1281 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1282 } 1283 } 1284 } 1285 1286 private long parseAsLong(String token) throws IOException { 1287 try { 1288 return Long.parseLong(token); 1289 } catch (NumberFormatException e) { 1290 throw new IOException("Failed to parse " + token + " as a long.", e); 1291 } 1292 } 1293 1294 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1295 return readToken(in, sb, '\n'); 1296 } 1297 1298 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1299 throws IOException { 1300 sb.setLength(0); 1301 while (true) { 1302 int ch = in.read(); 1303 if (ch == -1) { 1304 if (sb.length() == 0) { 1305 return null; 1306 } 1307 throw new IOException("Unexpected EOF"); 1308 } 1309 if (ch == endOfToken) { 1310 return sb.toString(); 1311 } 1312 sb.append((char)ch); 1313 } 1314 } 1315 1316 private AtomicFile getFile() { 1317 File dataDir = Environment.getDataDirectory(); 1318 File systemDir = new File(dataDir, "system"); 1319 File fname = new File(systemDir, "package-usage.list"); 1320 return new AtomicFile(fname); 1321 } 1322 1323 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1324 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1325 } 1326 1327 class PackageHandler extends Handler { 1328 private boolean mBound = false; 1329 final ArrayList<HandlerParams> mPendingInstalls = 1330 new ArrayList<HandlerParams>(); 1331 1332 private boolean connectToService() { 1333 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1334 " DefaultContainerService"); 1335 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1337 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1338 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1339 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1340 mBound = true; 1341 return true; 1342 } 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1344 return false; 1345 } 1346 1347 private void disconnectService() { 1348 mContainerService = null; 1349 mBound = false; 1350 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1351 mContext.unbindService(mDefContainerConn); 1352 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1353 } 1354 1355 PackageHandler(Looper looper) { 1356 super(looper); 1357 } 1358 1359 public void handleMessage(Message msg) { 1360 try { 1361 doHandleMessage(msg); 1362 } finally { 1363 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1364 } 1365 } 1366 1367 void doHandleMessage(Message msg) { 1368 switch (msg.what) { 1369 case INIT_COPY: { 1370 HandlerParams params = (HandlerParams) msg.obj; 1371 int idx = mPendingInstalls.size(); 1372 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1373 // If a bind was already initiated we dont really 1374 // need to do anything. The pending install 1375 // will be processed later on. 1376 if (!mBound) { 1377 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1378 System.identityHashCode(mHandler)); 1379 // If this is the only one pending we might 1380 // have to bind to the service again. 1381 if (!connectToService()) { 1382 Slog.e(TAG, "Failed to bind to media container service"); 1383 params.serviceError(); 1384 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1385 System.identityHashCode(mHandler)); 1386 if (params.traceMethod != null) { 1387 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1388 params.traceCookie); 1389 } 1390 return; 1391 } else { 1392 // Once we bind to the service, the first 1393 // pending request will be processed. 1394 mPendingInstalls.add(idx, params); 1395 } 1396 } else { 1397 mPendingInstalls.add(idx, params); 1398 // Already bound to the service. Just make 1399 // sure we trigger off processing the first request. 1400 if (idx == 0) { 1401 mHandler.sendEmptyMessage(MCS_BOUND); 1402 } 1403 } 1404 break; 1405 } 1406 case MCS_BOUND: { 1407 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1408 if (msg.obj != null) { 1409 mContainerService = (IMediaContainerService) msg.obj; 1410 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1411 System.identityHashCode(mHandler)); 1412 } 1413 if (mContainerService == null) { 1414 if (!mBound) { 1415 // Something seriously wrong since we are not bound and we are not 1416 // waiting for connection. Bail out. 1417 Slog.e(TAG, "Cannot bind to media container service"); 1418 for (HandlerParams params : mPendingInstalls) { 1419 // Indicate service bind error 1420 params.serviceError(); 1421 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1422 System.identityHashCode(params)); 1423 if (params.traceMethod != null) { 1424 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1425 params.traceMethod, params.traceCookie); 1426 } 1427 return; 1428 } 1429 mPendingInstalls.clear(); 1430 } else { 1431 Slog.w(TAG, "Waiting to connect to media container service"); 1432 } 1433 } else if (mPendingInstalls.size() > 0) { 1434 HandlerParams params = mPendingInstalls.get(0); 1435 if (params != null) { 1436 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1437 System.identityHashCode(params)); 1438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1439 if (params.startCopy()) { 1440 // We are done... look for more work or to 1441 // go idle. 1442 if (DEBUG_SD_INSTALL) Log.i(TAG, 1443 "Checking for more work or unbind..."); 1444 // Delete pending install 1445 if (mPendingInstalls.size() > 0) { 1446 mPendingInstalls.remove(0); 1447 } 1448 if (mPendingInstalls.size() == 0) { 1449 if (mBound) { 1450 if (DEBUG_SD_INSTALL) Log.i(TAG, 1451 "Posting delayed MCS_UNBIND"); 1452 removeMessages(MCS_UNBIND); 1453 Message ubmsg = obtainMessage(MCS_UNBIND); 1454 // Unbind after a little delay, to avoid 1455 // continual thrashing. 1456 sendMessageDelayed(ubmsg, 10000); 1457 } 1458 } else { 1459 // There are more pending requests in queue. 1460 // Just post MCS_BOUND message to trigger processing 1461 // of next pending install. 1462 if (DEBUG_SD_INSTALL) Log.i(TAG, 1463 "Posting MCS_BOUND for next work"); 1464 mHandler.sendEmptyMessage(MCS_BOUND); 1465 } 1466 } 1467 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1468 } 1469 } else { 1470 // Should never happen ideally. 1471 Slog.w(TAG, "Empty queue"); 1472 } 1473 break; 1474 } 1475 case MCS_RECONNECT: { 1476 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1477 if (mPendingInstalls.size() > 0) { 1478 if (mBound) { 1479 disconnectService(); 1480 } 1481 if (!connectToService()) { 1482 Slog.e(TAG, "Failed to bind to media container service"); 1483 for (HandlerParams params : mPendingInstalls) { 1484 // Indicate service bind error 1485 params.serviceError(); 1486 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1487 System.identityHashCode(params)); 1488 } 1489 mPendingInstalls.clear(); 1490 } 1491 } 1492 break; 1493 } 1494 case MCS_UNBIND: { 1495 // If there is no actual work left, then time to unbind. 1496 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1497 1498 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1499 if (mBound) { 1500 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1501 1502 disconnectService(); 1503 } 1504 } else if (mPendingInstalls.size() > 0) { 1505 // There are more pending requests in queue. 1506 // Just post MCS_BOUND message to trigger processing 1507 // of next pending install. 1508 mHandler.sendEmptyMessage(MCS_BOUND); 1509 } 1510 1511 break; 1512 } 1513 case MCS_GIVE_UP: { 1514 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1515 HandlerParams params = mPendingInstalls.remove(0); 1516 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1517 System.identityHashCode(params)); 1518 break; 1519 } 1520 case SEND_PENDING_BROADCAST: { 1521 String packages[]; 1522 ArrayList<String> components[]; 1523 int size = 0; 1524 int uids[]; 1525 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1526 synchronized (mPackages) { 1527 if (mPendingBroadcasts == null) { 1528 return; 1529 } 1530 size = mPendingBroadcasts.size(); 1531 if (size <= 0) { 1532 // Nothing to be done. Just return 1533 return; 1534 } 1535 packages = new String[size]; 1536 components = new ArrayList[size]; 1537 uids = new int[size]; 1538 int i = 0; // filling out the above arrays 1539 1540 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1541 int packageUserId = mPendingBroadcasts.userIdAt(n); 1542 Iterator<Map.Entry<String, ArrayList<String>>> it 1543 = mPendingBroadcasts.packagesForUserId(packageUserId) 1544 .entrySet().iterator(); 1545 while (it.hasNext() && i < size) { 1546 Map.Entry<String, ArrayList<String>> ent = it.next(); 1547 packages[i] = ent.getKey(); 1548 components[i] = ent.getValue(); 1549 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1550 uids[i] = (ps != null) 1551 ? UserHandle.getUid(packageUserId, ps.appId) 1552 : -1; 1553 i++; 1554 } 1555 } 1556 size = i; 1557 mPendingBroadcasts.clear(); 1558 } 1559 // Send broadcasts 1560 for (int i = 0; i < size; i++) { 1561 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1562 } 1563 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1564 break; 1565 } 1566 case START_CLEANING_PACKAGE: { 1567 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1568 final String packageName = (String)msg.obj; 1569 final int userId = msg.arg1; 1570 final boolean andCode = msg.arg2 != 0; 1571 synchronized (mPackages) { 1572 if (userId == UserHandle.USER_ALL) { 1573 int[] users = sUserManager.getUserIds(); 1574 for (int user : users) { 1575 mSettings.addPackageToCleanLPw( 1576 new PackageCleanItem(user, packageName, andCode)); 1577 } 1578 } else { 1579 mSettings.addPackageToCleanLPw( 1580 new PackageCleanItem(userId, packageName, andCode)); 1581 } 1582 } 1583 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1584 startCleaningPackages(); 1585 } break; 1586 case POST_INSTALL: { 1587 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1588 1589 PostInstallData data = mRunningInstalls.get(msg.arg1); 1590 final boolean didRestore = (msg.arg2 != 0); 1591 mRunningInstalls.delete(msg.arg1); 1592 1593 if (data != null) { 1594 InstallArgs args = data.args; 1595 PackageInstalledInfo parentRes = data.res; 1596 1597 final boolean grantPermissions = (args.installFlags 1598 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1599 final boolean killApp = (args.installFlags 1600 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1601 final String[] grantedPermissions = args.installGrantPermissions; 1602 1603 // Handle the parent package 1604 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1605 grantedPermissions, didRestore, args.installerPackageName, 1606 args.observer); 1607 1608 // Handle the child packages 1609 final int childCount = (parentRes.addedChildPackages != null) 1610 ? parentRes.addedChildPackages.size() : 0; 1611 for (int i = 0; i < childCount; i++) { 1612 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1613 handlePackagePostInstall(childRes, grantPermissions, killApp, 1614 grantedPermissions, false, args.installerPackageName, 1615 args.observer); 1616 } 1617 1618 // Log tracing if needed 1619 if (args.traceMethod != null) { 1620 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1621 args.traceCookie); 1622 } 1623 } else { 1624 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1625 } 1626 1627 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1628 } break; 1629 case UPDATED_MEDIA_STATUS: { 1630 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1631 boolean reportStatus = msg.arg1 == 1; 1632 boolean doGc = msg.arg2 == 1; 1633 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1634 if (doGc) { 1635 // Force a gc to clear up stale containers. 1636 Runtime.getRuntime().gc(); 1637 } 1638 if (msg.obj != null) { 1639 @SuppressWarnings("unchecked") 1640 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1641 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1642 // Unload containers 1643 unloadAllContainers(args); 1644 } 1645 if (reportStatus) { 1646 try { 1647 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1648 PackageHelper.getMountService().finishMediaUpdate(); 1649 } catch (RemoteException e) { 1650 Log.e(TAG, "MountService not running?"); 1651 } 1652 } 1653 } break; 1654 case WRITE_SETTINGS: { 1655 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1656 synchronized (mPackages) { 1657 removeMessages(WRITE_SETTINGS); 1658 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1659 mSettings.writeLPr(); 1660 mDirtyUsers.clear(); 1661 } 1662 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1663 } break; 1664 case WRITE_PACKAGE_RESTRICTIONS: { 1665 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1666 synchronized (mPackages) { 1667 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1668 for (int userId : mDirtyUsers) { 1669 mSettings.writePackageRestrictionsLPr(userId); 1670 } 1671 mDirtyUsers.clear(); 1672 } 1673 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1674 } break; 1675 case WRITE_PACKAGE_LIST: { 1676 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1677 synchronized (mPackages) { 1678 removeMessages(WRITE_PACKAGE_LIST); 1679 mSettings.writePackageListLPr(msg.arg1); 1680 } 1681 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1682 } break; 1683 case CHECK_PENDING_VERIFICATION: { 1684 final int verificationId = msg.arg1; 1685 final PackageVerificationState state = mPendingVerification.get(verificationId); 1686 1687 if ((state != null) && !state.timeoutExtended()) { 1688 final InstallArgs args = state.getInstallArgs(); 1689 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1690 1691 Slog.i(TAG, "Verification timed out for " + originUri); 1692 mPendingVerification.remove(verificationId); 1693 1694 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1695 1696 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1697 Slog.i(TAG, "Continuing with installation of " + originUri); 1698 state.setVerifierResponse(Binder.getCallingUid(), 1699 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1700 broadcastPackageVerified(verificationId, originUri, 1701 PackageManager.VERIFICATION_ALLOW, 1702 state.getInstallArgs().getUser()); 1703 try { 1704 ret = args.copyApk(mContainerService, true); 1705 } catch (RemoteException e) { 1706 Slog.e(TAG, "Could not contact the ContainerService"); 1707 } 1708 } else { 1709 broadcastPackageVerified(verificationId, originUri, 1710 PackageManager.VERIFICATION_REJECT, 1711 state.getInstallArgs().getUser()); 1712 } 1713 1714 Trace.asyncTraceEnd( 1715 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1716 1717 processPendingInstall(args, ret); 1718 mHandler.sendEmptyMessage(MCS_UNBIND); 1719 } 1720 break; 1721 } 1722 case PACKAGE_VERIFIED: { 1723 final int verificationId = msg.arg1; 1724 1725 final PackageVerificationState state = mPendingVerification.get(verificationId); 1726 if (state == null) { 1727 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1728 break; 1729 } 1730 1731 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1732 1733 state.setVerifierResponse(response.callerUid, response.code); 1734 1735 if (state.isVerificationComplete()) { 1736 mPendingVerification.remove(verificationId); 1737 1738 final InstallArgs args = state.getInstallArgs(); 1739 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1740 1741 int ret; 1742 if (state.isInstallAllowed()) { 1743 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1744 broadcastPackageVerified(verificationId, originUri, 1745 response.code, state.getInstallArgs().getUser()); 1746 try { 1747 ret = args.copyApk(mContainerService, true); 1748 } catch (RemoteException e) { 1749 Slog.e(TAG, "Could not contact the ContainerService"); 1750 } 1751 } else { 1752 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1753 } 1754 1755 Trace.asyncTraceEnd( 1756 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1757 1758 processPendingInstall(args, ret); 1759 mHandler.sendEmptyMessage(MCS_UNBIND); 1760 } 1761 1762 break; 1763 } 1764 case START_INTENT_FILTER_VERIFICATIONS: { 1765 IFVerificationParams params = (IFVerificationParams) msg.obj; 1766 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1767 params.replacing, params.pkg); 1768 break; 1769 } 1770 case INTENT_FILTER_VERIFIED: { 1771 final int verificationId = msg.arg1; 1772 1773 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1774 verificationId); 1775 if (state == null) { 1776 Slog.w(TAG, "Invalid IntentFilter verification token " 1777 + verificationId + " received"); 1778 break; 1779 } 1780 1781 final int userId = state.getUserId(); 1782 1783 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1784 "Processing IntentFilter verification with token:" 1785 + verificationId + " and userId:" + userId); 1786 1787 final IntentFilterVerificationResponse response = 1788 (IntentFilterVerificationResponse) msg.obj; 1789 1790 state.setVerifierResponse(response.callerUid, response.code); 1791 1792 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1793 "IntentFilter verification with token:" + verificationId 1794 + " and userId:" + userId 1795 + " is settings verifier response with response code:" 1796 + response.code); 1797 1798 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1799 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1800 + response.getFailedDomainsString()); 1801 } 1802 1803 if (state.isVerificationComplete()) { 1804 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1805 } else { 1806 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1807 "IntentFilter verification with token:" + verificationId 1808 + " was not said to be complete"); 1809 } 1810 1811 break; 1812 } 1813 } 1814 } 1815 } 1816 1817 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1818 boolean killApp, String[] grantedPermissions, 1819 boolean launchedForRestore, String installerPackage, 1820 IPackageInstallObserver2 installObserver) { 1821 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1822 // Send the removed broadcasts 1823 if (res.removedInfo != null) { 1824 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1825 } 1826 1827 // Now that we successfully installed the package, grant runtime 1828 // permissions if requested before broadcasting the install. 1829 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1830 >= Build.VERSION_CODES.M) { 1831 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1832 } 1833 1834 final boolean update = res.removedInfo != null 1835 && res.removedInfo.removedPackage != null; 1836 1837 // If this is the first time we have child packages for a disabled privileged 1838 // app that had no children, we grant requested runtime permissions to the new 1839 // children if the parent on the system image had them already granted. 1840 if (res.pkg.parentPackage != null) { 1841 synchronized (mPackages) { 1842 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1843 } 1844 } 1845 1846 synchronized (mPackages) { 1847 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1848 } 1849 1850 final String packageName = res.pkg.applicationInfo.packageName; 1851 Bundle extras = new Bundle(1); 1852 extras.putInt(Intent.EXTRA_UID, res.uid); 1853 1854 // Determine the set of users who are adding this package for 1855 // the first time vs. those who are seeing an update. 1856 int[] firstUsers = EMPTY_INT_ARRAY; 1857 int[] updateUsers = EMPTY_INT_ARRAY; 1858 if (res.origUsers == null || res.origUsers.length == 0) { 1859 firstUsers = res.newUsers; 1860 } else { 1861 for (int newUser : res.newUsers) { 1862 boolean isNew = true; 1863 for (int origUser : res.origUsers) { 1864 if (origUser == newUser) { 1865 isNew = false; 1866 break; 1867 } 1868 } 1869 if (isNew) { 1870 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1871 } else { 1872 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1873 } 1874 } 1875 } 1876 1877 // Send installed broadcasts if the install/update is not ephemeral 1878 if (!isEphemeral(res.pkg)) { 1879 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1880 1881 // Send added for users that see the package for the first time 1882 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1883 extras, 0 /*flags*/, null /*targetPackage*/, 1884 null /*finishedReceiver*/, firstUsers); 1885 1886 // Send added for users that don't see the package for the first time 1887 if (update) { 1888 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1889 } 1890 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1891 extras, 0 /*flags*/, null /*targetPackage*/, 1892 null /*finishedReceiver*/, updateUsers); 1893 1894 // Send replaced for users that don't see the package for the first time 1895 if (update) { 1896 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1897 packageName, extras, 0 /*flags*/, 1898 null /*targetPackage*/, null /*finishedReceiver*/, 1899 updateUsers); 1900 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1901 null /*package*/, null /*extras*/, 0 /*flags*/, 1902 packageName /*targetPackage*/, 1903 null /*finishedReceiver*/, updateUsers); 1904 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1905 // First-install and we did a restore, so we're responsible for the 1906 // first-launch broadcast. 1907 if (DEBUG_BACKUP) { 1908 Slog.i(TAG, "Post-restore of " + packageName 1909 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1910 } 1911 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1912 } 1913 1914 // Send broadcast package appeared if forward locked/external for all users 1915 // treat asec-hosted packages like removable media on upgrade 1916 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1917 if (DEBUG_INSTALL) { 1918 Slog.i(TAG, "upgrading pkg " + res.pkg 1919 + " is ASEC-hosted -> AVAILABLE"); 1920 } 1921 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1922 ArrayList<String> pkgList = new ArrayList<>(1); 1923 pkgList.add(packageName); 1924 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1925 } 1926 } 1927 1928 // Work that needs to happen on first install within each user 1929 if (firstUsers != null && firstUsers.length > 0) { 1930 synchronized (mPackages) { 1931 for (int userId : firstUsers) { 1932 // If this app is a browser and it's newly-installed for some 1933 // users, clear any default-browser state in those users. The 1934 // app's nature doesn't depend on the user, so we can just check 1935 // its browser nature in any user and generalize. 1936 if (packageIsBrowser(packageName, userId)) { 1937 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1938 } 1939 1940 // We may also need to apply pending (restored) runtime 1941 // permission grants within these users. 1942 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1943 } 1944 } 1945 } 1946 1947 // Log current value of "unknown sources" setting 1948 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1949 getUnknownSourcesSettings()); 1950 1951 // Force a gc to clear up things 1952 Runtime.getRuntime().gc(); 1953 1954 // Remove the replaced package's older resources safely now 1955 // We delete after a gc for applications on sdcard. 1956 if (res.removedInfo != null && res.removedInfo.args != null) { 1957 synchronized (mInstallLock) { 1958 res.removedInfo.args.doPostDeleteLI(true); 1959 } 1960 } 1961 } 1962 1963 // If someone is watching installs - notify them 1964 if (installObserver != null) { 1965 try { 1966 Bundle extras = extrasForInstallResult(res); 1967 installObserver.onPackageInstalled(res.name, res.returnCode, 1968 res.returnMsg, extras); 1969 } catch (RemoteException e) { 1970 Slog.i(TAG, "Observer no longer exists."); 1971 } 1972 } 1973 } 1974 1975 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1976 PackageParser.Package pkg) { 1977 if (pkg.parentPackage == null) { 1978 return; 1979 } 1980 if (pkg.requestedPermissions == null) { 1981 return; 1982 } 1983 final PackageSetting disabledSysParentPs = mSettings 1984 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1985 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1986 || !disabledSysParentPs.isPrivileged() 1987 || (disabledSysParentPs.childPackageNames != null 1988 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1989 return; 1990 } 1991 final int[] allUserIds = sUserManager.getUserIds(); 1992 final int permCount = pkg.requestedPermissions.size(); 1993 for (int i = 0; i < permCount; i++) { 1994 String permission = pkg.requestedPermissions.get(i); 1995 BasePermission bp = mSettings.mPermissions.get(permission); 1996 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1997 continue; 1998 } 1999 for (int userId : allUserIds) { 2000 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2001 permission, userId)) { 2002 grantRuntimePermission(pkg.packageName, permission, userId); 2003 } 2004 } 2005 } 2006 } 2007 2008 private StorageEventListener mStorageListener = new StorageEventListener() { 2009 @Override 2010 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2011 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2012 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2013 final String volumeUuid = vol.getFsUuid(); 2014 2015 // Clean up any users or apps that were removed or recreated 2016 // while this volume was missing 2017 reconcileUsers(volumeUuid); 2018 reconcileApps(volumeUuid); 2019 2020 // Clean up any install sessions that expired or were 2021 // cancelled while this volume was missing 2022 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2023 2024 loadPrivatePackages(vol); 2025 2026 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2027 unloadPrivatePackages(vol); 2028 } 2029 } 2030 2031 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2032 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2033 updateExternalMediaStatus(true, false); 2034 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2035 updateExternalMediaStatus(false, false); 2036 } 2037 } 2038 } 2039 2040 @Override 2041 public void onVolumeForgotten(String fsUuid) { 2042 if (TextUtils.isEmpty(fsUuid)) { 2043 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2044 return; 2045 } 2046 2047 // Remove any apps installed on the forgotten volume 2048 synchronized (mPackages) { 2049 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2050 for (PackageSetting ps : packages) { 2051 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2052 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2053 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2054 } 2055 2056 mSettings.onVolumeForgotten(fsUuid); 2057 mSettings.writeLPr(); 2058 } 2059 } 2060 }; 2061 2062 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2063 String[] grantedPermissions) { 2064 for (int userId : userIds) { 2065 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2066 } 2067 2068 // We could have touched GID membership, so flush out packages.list 2069 synchronized (mPackages) { 2070 mSettings.writePackageListLPr(); 2071 } 2072 } 2073 2074 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2075 String[] grantedPermissions) { 2076 SettingBase sb = (SettingBase) pkg.mExtras; 2077 if (sb == null) { 2078 return; 2079 } 2080 2081 PermissionsState permissionsState = sb.getPermissionsState(); 2082 2083 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2084 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2085 2086 for (String permission : pkg.requestedPermissions) { 2087 final BasePermission bp; 2088 synchronized (mPackages) { 2089 bp = mSettings.mPermissions.get(permission); 2090 } 2091 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2092 && (grantedPermissions == null 2093 || ArrayUtils.contains(grantedPermissions, permission))) { 2094 final int flags = permissionsState.getPermissionFlags(permission, userId); 2095 // Installer cannot change immutable permissions. 2096 if ((flags & immutableFlags) == 0) { 2097 grantRuntimePermission(pkg.packageName, permission, userId); 2098 } 2099 } 2100 } 2101 } 2102 2103 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2104 Bundle extras = null; 2105 switch (res.returnCode) { 2106 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2107 extras = new Bundle(); 2108 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2109 res.origPermission); 2110 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2111 res.origPackage); 2112 break; 2113 } 2114 case PackageManager.INSTALL_SUCCEEDED: { 2115 extras = new Bundle(); 2116 extras.putBoolean(Intent.EXTRA_REPLACING, 2117 res.removedInfo != null && res.removedInfo.removedPackage != null); 2118 break; 2119 } 2120 } 2121 return extras; 2122 } 2123 2124 void scheduleWriteSettingsLocked() { 2125 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2126 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2127 } 2128 } 2129 2130 void scheduleWritePackageListLocked(int userId) { 2131 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2132 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2133 msg.arg1 = userId; 2134 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2135 } 2136 } 2137 2138 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2139 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2140 scheduleWritePackageRestrictionsLocked(userId); 2141 } 2142 2143 void scheduleWritePackageRestrictionsLocked(int userId) { 2144 final int[] userIds = (userId == UserHandle.USER_ALL) 2145 ? sUserManager.getUserIds() : new int[]{userId}; 2146 for (int nextUserId : userIds) { 2147 if (!sUserManager.exists(nextUserId)) return; 2148 mDirtyUsers.add(nextUserId); 2149 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2150 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2151 } 2152 } 2153 } 2154 2155 public static PackageManagerService main(Context context, Installer installer, 2156 boolean factoryTest, boolean onlyCore) { 2157 // Self-check for initial settings. 2158 PackageManagerServiceCompilerMapping.checkProperties(); 2159 2160 PackageManagerService m = new PackageManagerService(context, installer, 2161 factoryTest, onlyCore); 2162 m.enableSystemUserPackages(); 2163 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2164 // disabled after already being started. 2165 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2166 UserHandle.USER_SYSTEM); 2167 ServiceManager.addService("package", m); 2168 return m; 2169 } 2170 2171 private void enableSystemUserPackages() { 2172 if (!UserManager.isSplitSystemUser()) { 2173 return; 2174 } 2175 // For system user, enable apps based on the following conditions: 2176 // - app is whitelisted or belong to one of these groups: 2177 // -- system app which has no launcher icons 2178 // -- system app which has INTERACT_ACROSS_USERS permission 2179 // -- system IME app 2180 // - app is not in the blacklist 2181 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2182 Set<String> enableApps = new ArraySet<>(); 2183 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2184 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2185 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2186 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2187 enableApps.addAll(wlApps); 2188 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2189 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2190 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2191 enableApps.removeAll(blApps); 2192 Log.i(TAG, "Applications installed for system user: " + enableApps); 2193 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2194 UserHandle.SYSTEM); 2195 final int allAppsSize = allAps.size(); 2196 synchronized (mPackages) { 2197 for (int i = 0; i < allAppsSize; i++) { 2198 String pName = allAps.get(i); 2199 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2200 // Should not happen, but we shouldn't be failing if it does 2201 if (pkgSetting == null) { 2202 continue; 2203 } 2204 boolean install = enableApps.contains(pName); 2205 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2206 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2207 + " for system user"); 2208 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2209 } 2210 } 2211 } 2212 } 2213 2214 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2215 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2216 Context.DISPLAY_SERVICE); 2217 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2218 } 2219 2220 public PackageManagerService(Context context, Installer installer, 2221 boolean factoryTest, boolean onlyCore) { 2222 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2223 SystemClock.uptimeMillis()); 2224 2225 if (mSdkVersion <= 0) { 2226 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2227 } 2228 2229 mContext = context; 2230 mFactoryTest = factoryTest; 2231 mOnlyCore = onlyCore; 2232 mMetrics = new DisplayMetrics(); 2233 mSettings = new Settings(mPackages); 2234 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2235 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2236 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2237 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2238 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2239 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2240 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2241 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2242 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2243 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2244 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2245 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2246 2247 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2248 if (separateProcesses != null && separateProcesses.length() > 0) { 2249 if ("*".equals(separateProcesses)) { 2250 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2251 mSeparateProcesses = null; 2252 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2253 } else { 2254 mDefParseFlags = 0; 2255 mSeparateProcesses = separateProcesses.split(","); 2256 Slog.w(TAG, "Running with debug.separate_processes: " 2257 + separateProcesses); 2258 } 2259 } else { 2260 mDefParseFlags = 0; 2261 mSeparateProcesses = null; 2262 } 2263 2264 mInstaller = installer; 2265 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2266 "*dexopt*"); 2267 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2268 2269 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2270 FgThread.get().getLooper()); 2271 2272 getDefaultDisplayMetrics(context, mMetrics); 2273 2274 SystemConfig systemConfig = SystemConfig.getInstance(); 2275 mGlobalGids = systemConfig.getGlobalGids(); 2276 mSystemPermissions = systemConfig.getSystemPermissions(); 2277 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2278 2279 synchronized (mInstallLock) { 2280 // writer 2281 synchronized (mPackages) { 2282 mHandlerThread = new ServiceThread(TAG, 2283 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2284 mHandlerThread.start(); 2285 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2286 mProcessLoggingHandler = new ProcessLoggingHandler(); 2287 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2288 2289 File dataDir = Environment.getDataDirectory(); 2290 mAppInstallDir = new File(dataDir, "app"); 2291 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2292 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2293 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2294 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2295 2296 sUserManager = new UserManagerService(context, this, mPackages); 2297 2298 // Propagate permission configuration in to package manager. 2299 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2300 = systemConfig.getPermissions(); 2301 for (int i=0; i<permConfig.size(); i++) { 2302 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2303 BasePermission bp = mSettings.mPermissions.get(perm.name); 2304 if (bp == null) { 2305 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2306 mSettings.mPermissions.put(perm.name, bp); 2307 } 2308 if (perm.gids != null) { 2309 bp.setGids(perm.gids, perm.perUser); 2310 } 2311 } 2312 2313 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2314 for (int i=0; i<libConfig.size(); i++) { 2315 mSharedLibraries.put(libConfig.keyAt(i), 2316 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2317 } 2318 2319 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2320 2321 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2322 2323 String customResolverActivity = Resources.getSystem().getString( 2324 R.string.config_customResolverActivity); 2325 if (TextUtils.isEmpty(customResolverActivity)) { 2326 customResolverActivity = null; 2327 } else { 2328 mCustomResolverComponentName = ComponentName.unflattenFromString( 2329 customResolverActivity); 2330 } 2331 2332 long startTime = SystemClock.uptimeMillis(); 2333 2334 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2335 startTime); 2336 2337 // Set flag to monitor and not change apk file paths when 2338 // scanning install directories. 2339 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2340 2341 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2342 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2343 2344 if (bootClassPath == null) { 2345 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2346 } 2347 2348 if (systemServerClassPath == null) { 2349 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2350 } 2351 2352 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2353 final String[] dexCodeInstructionSets = 2354 getDexCodeInstructionSets( 2355 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2356 2357 /** 2358 * Ensure all external libraries have had dexopt run on them. 2359 */ 2360 if (mSharedLibraries.size() > 0) { 2361 // NOTE: For now, we're compiling these system "shared libraries" 2362 // (and framework jars) into all available architectures. It's possible 2363 // to compile them only when we come across an app that uses them (there's 2364 // already logic for that in scanPackageLI) but that adds some complexity. 2365 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2366 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2367 final String lib = libEntry.path; 2368 if (lib == null) { 2369 continue; 2370 } 2371 2372 try { 2373 // Shared libraries do not have profiles so we perform a full 2374 // AOT compilation (if needed). 2375 int dexoptNeeded = DexFile.getDexOptNeeded( 2376 lib, dexCodeInstructionSet, 2377 getCompilerFilterForReason(REASON_SHARED_APK), 2378 false /* newProfile */); 2379 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2380 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2381 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2382 getCompilerFilterForReason(REASON_SHARED_APK), 2383 StorageManager.UUID_PRIVATE_INTERNAL, 2384 SKIP_SHARED_LIBRARY_CHECK); 2385 } 2386 } catch (FileNotFoundException e) { 2387 Slog.w(TAG, "Library not found: " + lib); 2388 } catch (IOException | InstallerException e) { 2389 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2390 + e.getMessage()); 2391 } 2392 } 2393 } 2394 } 2395 2396 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2397 2398 final VersionInfo ver = mSettings.getInternalVersion(); 2399 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2400 2401 // when upgrading from pre-M, promote system app permissions from install to runtime 2402 mPromoteSystemApps = 2403 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2404 2405 // When upgrading from pre-N, we need to handle package extraction like first boot, 2406 // as there is no profiling data available. 2407 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2408 2409 // save off the names of pre-existing system packages prior to scanning; we don't 2410 // want to automatically grant runtime permissions for new system apps 2411 if (mPromoteSystemApps) { 2412 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2413 while (pkgSettingIter.hasNext()) { 2414 PackageSetting ps = pkgSettingIter.next(); 2415 if (isSystemApp(ps)) { 2416 mExistingSystemPackages.add(ps.name); 2417 } 2418 } 2419 } 2420 2421 // Collect vendor overlay packages. 2422 // (Do this before scanning any apps.) 2423 // For security and version matching reason, only consider 2424 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2425 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2426 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2427 | PackageParser.PARSE_IS_SYSTEM 2428 | PackageParser.PARSE_IS_SYSTEM_DIR 2429 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2430 2431 // Find base frameworks (resource packages without code). 2432 scanDirTracedLI(frameworkDir, mDefParseFlags 2433 | PackageParser.PARSE_IS_SYSTEM 2434 | PackageParser.PARSE_IS_SYSTEM_DIR 2435 | PackageParser.PARSE_IS_PRIVILEGED, 2436 scanFlags | SCAN_NO_DEX, 0); 2437 2438 // Collected privileged system packages. 2439 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2440 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2441 | PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR 2443 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2444 2445 // Collect ordinary system packages. 2446 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2447 scanDirTracedLI(systemAppDir, mDefParseFlags 2448 | PackageParser.PARSE_IS_SYSTEM 2449 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2450 2451 // Collect all vendor packages. 2452 File vendorAppDir = new File("/vendor/app"); 2453 try { 2454 vendorAppDir = vendorAppDir.getCanonicalFile(); 2455 } catch (IOException e) { 2456 // failed to look up canonical path, continue with original one 2457 } 2458 scanDirTracedLI(vendorAppDir, mDefParseFlags 2459 | PackageParser.PARSE_IS_SYSTEM 2460 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2461 2462 // Collect all OEM packages. 2463 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2464 scanDirTracedLI(oemAppDir, mDefParseFlags 2465 | PackageParser.PARSE_IS_SYSTEM 2466 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2467 2468 // Prune any system packages that no longer exist. 2469 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2470 if (!mOnlyCore) { 2471 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2472 while (psit.hasNext()) { 2473 PackageSetting ps = psit.next(); 2474 2475 /* 2476 * If this is not a system app, it can't be a 2477 * disable system app. 2478 */ 2479 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2480 continue; 2481 } 2482 2483 /* 2484 * If the package is scanned, it's not erased. 2485 */ 2486 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2487 if (scannedPkg != null) { 2488 /* 2489 * If the system app is both scanned and in the 2490 * disabled packages list, then it must have been 2491 * added via OTA. Remove it from the currently 2492 * scanned package so the previously user-installed 2493 * application can be scanned. 2494 */ 2495 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2496 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2497 + ps.name + "; removing system app. Last known codePath=" 2498 + ps.codePathString + ", installStatus=" + ps.installStatus 2499 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2500 + scannedPkg.mVersionCode); 2501 removePackageLI(scannedPkg, true); 2502 mExpectingBetter.put(ps.name, ps.codePath); 2503 } 2504 2505 continue; 2506 } 2507 2508 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2509 psit.remove(); 2510 logCriticalInfo(Log.WARN, "System package " + ps.name 2511 + " no longer exists; it's data will be wiped"); 2512 // Actual deletion of code and data will be handled by later 2513 // reconciliation step 2514 } else { 2515 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2516 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2517 possiblyDeletedUpdatedSystemApps.add(ps.name); 2518 } 2519 } 2520 } 2521 } 2522 2523 //look for any incomplete package installations 2524 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2525 for (int i = 0; i < deletePkgsList.size(); i++) { 2526 // Actual deletion of code and data will be handled by later 2527 // reconciliation step 2528 final String packageName = deletePkgsList.get(i).name; 2529 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2530 synchronized (mPackages) { 2531 mSettings.removePackageLPw(packageName); 2532 } 2533 } 2534 2535 //delete tmp files 2536 deleteTempPackageFiles(); 2537 2538 // Remove any shared userIDs that have no associated packages 2539 mSettings.pruneSharedUsersLPw(); 2540 2541 if (!mOnlyCore) { 2542 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2543 SystemClock.uptimeMillis()); 2544 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2545 2546 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2547 | PackageParser.PARSE_FORWARD_LOCK, 2548 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2549 2550 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2551 | PackageParser.PARSE_IS_EPHEMERAL, 2552 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2553 2554 /** 2555 * Remove disable package settings for any updated system 2556 * apps that were removed via an OTA. If they're not a 2557 * previously-updated app, remove them completely. 2558 * Otherwise, just revoke their system-level permissions. 2559 */ 2560 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2561 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2562 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2563 2564 String msg; 2565 if (deletedPkg == null) { 2566 msg = "Updated system package " + deletedAppName 2567 + " no longer exists; it's data will be wiped"; 2568 // Actual deletion of code and data will be handled by later 2569 // reconciliation step 2570 } else { 2571 msg = "Updated system app + " + deletedAppName 2572 + " no longer present; removing system privileges for " 2573 + deletedAppName; 2574 2575 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2576 2577 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2578 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2579 } 2580 logCriticalInfo(Log.WARN, msg); 2581 } 2582 2583 /** 2584 * Make sure all system apps that we expected to appear on 2585 * the userdata partition actually showed up. If they never 2586 * appeared, crawl back and revive the system version. 2587 */ 2588 for (int i = 0; i < mExpectingBetter.size(); i++) { 2589 final String packageName = mExpectingBetter.keyAt(i); 2590 if (!mPackages.containsKey(packageName)) { 2591 final File scanFile = mExpectingBetter.valueAt(i); 2592 2593 logCriticalInfo(Log.WARN, "Expected better " + packageName 2594 + " but never showed up; reverting to system"); 2595 2596 int reparseFlags = mDefParseFlags; 2597 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2598 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2599 | PackageParser.PARSE_IS_SYSTEM_DIR 2600 | PackageParser.PARSE_IS_PRIVILEGED; 2601 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2602 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2603 | PackageParser.PARSE_IS_SYSTEM_DIR; 2604 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2605 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2606 | PackageParser.PARSE_IS_SYSTEM_DIR; 2607 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2608 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2609 | PackageParser.PARSE_IS_SYSTEM_DIR; 2610 } else { 2611 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2612 continue; 2613 } 2614 2615 mSettings.enableSystemPackageLPw(packageName); 2616 2617 try { 2618 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2619 } catch (PackageManagerException e) { 2620 Slog.e(TAG, "Failed to parse original system package: " 2621 + e.getMessage()); 2622 } 2623 } 2624 } 2625 } 2626 mExpectingBetter.clear(); 2627 2628 // Resolve protected action filters. Only the setup wizard is allowed to 2629 // have a high priority filter for these actions. 2630 mSetupWizardPackage = getSetupWizardPackageName(); 2631 if (mProtectedFilters.size() > 0) { 2632 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2633 Slog.i(TAG, "No setup wizard;" 2634 + " All protected intents capped to priority 0"); 2635 } 2636 for (ActivityIntentInfo filter : mProtectedFilters) { 2637 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2638 if (DEBUG_FILTERS) { 2639 Slog.i(TAG, "Found setup wizard;" 2640 + " allow priority " + filter.getPriority() + ";" 2641 + " package: " + filter.activity.info.packageName 2642 + " activity: " + filter.activity.className 2643 + " priority: " + filter.getPriority()); 2644 } 2645 // skip setup wizard; allow it to keep the high priority filter 2646 continue; 2647 } 2648 Slog.w(TAG, "Protected action; cap priority to 0;" 2649 + " package: " + filter.activity.info.packageName 2650 + " activity: " + filter.activity.className 2651 + " origPrio: " + filter.getPriority()); 2652 filter.setPriority(0); 2653 } 2654 } 2655 mDeferProtectedFilters = false; 2656 mProtectedFilters.clear(); 2657 2658 // Now that we know all of the shared libraries, update all clients to have 2659 // the correct library paths. 2660 updateAllSharedLibrariesLPw(); 2661 2662 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2663 // NOTE: We ignore potential failures here during a system scan (like 2664 // the rest of the commands above) because there's precious little we 2665 // can do about it. A settings error is reported, though. 2666 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2667 false /* boot complete */); 2668 } 2669 2670 // Now that we know all the packages we are keeping, 2671 // read and update their last usage times. 2672 mPackageUsage.readLP(); 2673 2674 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2675 SystemClock.uptimeMillis()); 2676 Slog.i(TAG, "Time to scan packages: " 2677 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2678 + " seconds"); 2679 2680 // If the platform SDK has changed since the last time we booted, 2681 // we need to re-grant app permission to catch any new ones that 2682 // appear. This is really a hack, and means that apps can in some 2683 // cases get permissions that the user didn't initially explicitly 2684 // allow... it would be nice to have some better way to handle 2685 // this situation. 2686 int updateFlags = UPDATE_PERMISSIONS_ALL; 2687 if (ver.sdkVersion != mSdkVersion) { 2688 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2689 + mSdkVersion + "; regranting permissions for internal storage"); 2690 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2691 } 2692 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2693 ver.sdkVersion = mSdkVersion; 2694 2695 // If this is the first boot or an update from pre-M, and it is a normal 2696 // boot, then we need to initialize the default preferred apps across 2697 // all defined users. 2698 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2699 for (UserInfo user : sUserManager.getUsers(true)) { 2700 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2701 applyFactoryDefaultBrowserLPw(user.id); 2702 primeDomainVerificationsLPw(user.id); 2703 } 2704 } 2705 2706 // Prepare storage for system user really early during boot, 2707 // since core system apps like SettingsProvider and SystemUI 2708 // can't wait for user to start 2709 final int storageFlags; 2710 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2711 storageFlags = StorageManager.FLAG_STORAGE_DE; 2712 } else { 2713 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2714 } 2715 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2716 storageFlags); 2717 2718 // If this is first boot after an OTA, and a normal boot, then 2719 // we need to clear code cache directories. 2720 // Note that we do *not* clear the application profiles. These remain valid 2721 // across OTAs and are used to drive profile verification (post OTA) and 2722 // profile compilation (without waiting to collect a fresh set of profiles). 2723 if (mIsUpgrade && !onlyCore) { 2724 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2725 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2726 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2727 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2728 // No apps are running this early, so no need to freeze 2729 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2730 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2731 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2732 } 2733 } 2734 ver.fingerprint = Build.FINGERPRINT; 2735 } 2736 2737 checkDefaultBrowser(); 2738 2739 // clear only after permissions and other defaults have been updated 2740 mExistingSystemPackages.clear(); 2741 mPromoteSystemApps = false; 2742 2743 // All the changes are done during package scanning. 2744 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2745 2746 // can downgrade to reader 2747 mSettings.writeLPr(); 2748 2749 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2750 // early on (before the package manager declares itself as early) because other 2751 // components in the system server might ask for package contexts for these apps. 2752 // 2753 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2754 // (i.e, that the data partition is unavailable). 2755 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2756 long start = System.nanoTime(); 2757 List<PackageParser.Package> coreApps = new ArrayList<>(); 2758 for (PackageParser.Package pkg : mPackages.values()) { 2759 if (pkg.coreApp) { 2760 coreApps.add(pkg); 2761 } 2762 } 2763 2764 int[] stats = performDexOpt(coreApps, false, 2765 getCompilerFilterForReason(REASON_CORE_APP)); 2766 2767 final int elapsedTimeSeconds = 2768 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2769 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2770 2771 if (DEBUG_DEXOPT) { 2772 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2773 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2774 } 2775 2776 2777 // TODO: Should we log these stats to tron too ? 2778 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2779 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2780 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2781 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2782 } 2783 2784 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2785 SystemClock.uptimeMillis()); 2786 2787 if (!mOnlyCore) { 2788 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2789 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2790 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2791 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2792 mIntentFilterVerifierComponent); 2793 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2794 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2795 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2796 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2797 } else { 2798 mRequiredVerifierPackage = null; 2799 mRequiredInstallerPackage = null; 2800 mIntentFilterVerifierComponent = null; 2801 mIntentFilterVerifier = null; 2802 mServicesSystemSharedLibraryPackageName = null; 2803 mSharedSystemSharedLibraryPackageName = null; 2804 } 2805 2806 mInstallerService = new PackageInstallerService(context, this); 2807 2808 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2809 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2810 // both the installer and resolver must be present to enable ephemeral 2811 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2812 if (DEBUG_EPHEMERAL) { 2813 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2814 + " installer:" + ephemeralInstallerComponent); 2815 } 2816 mEphemeralResolverComponent = ephemeralResolverComponent; 2817 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2818 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2819 mEphemeralResolverConnection = 2820 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2821 } else { 2822 if (DEBUG_EPHEMERAL) { 2823 final String missingComponent = 2824 (ephemeralResolverComponent == null) 2825 ? (ephemeralInstallerComponent == null) 2826 ? "resolver and installer" 2827 : "resolver" 2828 : "installer"; 2829 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2830 } 2831 mEphemeralResolverComponent = null; 2832 mEphemeralInstallerComponent = null; 2833 mEphemeralResolverConnection = null; 2834 } 2835 2836 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2837 } // synchronized (mPackages) 2838 } // synchronized (mInstallLock) 2839 2840 // Now after opening every single application zip, make sure they 2841 // are all flushed. Not really needed, but keeps things nice and 2842 // tidy. 2843 Runtime.getRuntime().gc(); 2844 2845 // The initial scanning above does many calls into installd while 2846 // holding the mPackages lock, but we're mostly interested in yelling 2847 // once we have a booted system. 2848 mInstaller.setWarnIfHeld(mPackages); 2849 2850 // Expose private service for system components to use. 2851 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2852 } 2853 2854 @Override 2855 public boolean isFirstBoot() { 2856 return !mRestoredSettings; 2857 } 2858 2859 @Override 2860 public boolean isOnlyCoreApps() { 2861 return mOnlyCore; 2862 } 2863 2864 @Override 2865 public boolean isUpgrade() { 2866 return mIsUpgrade; 2867 } 2868 2869 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2870 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2871 2872 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2873 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2874 UserHandle.USER_SYSTEM); 2875 if (matches.size() == 1) { 2876 return matches.get(0).getComponentInfo().packageName; 2877 } else { 2878 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2879 return null; 2880 } 2881 } 2882 2883 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2884 synchronized (mPackages) { 2885 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2886 if (libraryEntry == null) { 2887 throw new IllegalStateException("Missing required shared library:" + libraryName); 2888 } 2889 return libraryEntry.apk; 2890 } 2891 } 2892 2893 private @NonNull String getRequiredInstallerLPr() { 2894 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2895 intent.addCategory(Intent.CATEGORY_DEFAULT); 2896 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2897 2898 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2899 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2900 UserHandle.USER_SYSTEM); 2901 if (matches.size() == 1) { 2902 ResolveInfo resolveInfo = matches.get(0); 2903 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2904 throw new RuntimeException("The installer must be a privileged app"); 2905 } 2906 return matches.get(0).getComponentInfo().packageName; 2907 } else { 2908 throw new RuntimeException("There must be exactly one installer; found " + matches); 2909 } 2910 } 2911 2912 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2913 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2914 2915 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2916 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2917 UserHandle.USER_SYSTEM); 2918 ResolveInfo best = null; 2919 final int N = matches.size(); 2920 for (int i = 0; i < N; i++) { 2921 final ResolveInfo cur = matches.get(i); 2922 final String packageName = cur.getComponentInfo().packageName; 2923 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2924 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2925 continue; 2926 } 2927 2928 if (best == null || cur.priority > best.priority) { 2929 best = cur; 2930 } 2931 } 2932 2933 if (best != null) { 2934 return best.getComponentInfo().getComponentName(); 2935 } else { 2936 throw new RuntimeException("There must be at least one intent filter verifier"); 2937 } 2938 } 2939 2940 private @Nullable ComponentName getEphemeralResolverLPr() { 2941 final String[] packageArray = 2942 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2943 if (packageArray.length == 0) { 2944 if (DEBUG_EPHEMERAL) { 2945 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2946 } 2947 return null; 2948 } 2949 2950 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2951 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2952 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2953 UserHandle.USER_SYSTEM); 2954 2955 final int N = resolvers.size(); 2956 if (N == 0) { 2957 if (DEBUG_EPHEMERAL) { 2958 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2959 } 2960 return null; 2961 } 2962 2963 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2964 for (int i = 0; i < N; i++) { 2965 final ResolveInfo info = resolvers.get(i); 2966 2967 if (info.serviceInfo == null) { 2968 continue; 2969 } 2970 2971 final String packageName = info.serviceInfo.packageName; 2972 if (!possiblePackages.contains(packageName)) { 2973 if (DEBUG_EPHEMERAL) { 2974 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2975 + " pkg: " + packageName + ", info:" + info); 2976 } 2977 continue; 2978 } 2979 2980 if (DEBUG_EPHEMERAL) { 2981 Slog.v(TAG, "Ephemeral resolver found;" 2982 + " pkg: " + packageName + ", info:" + info); 2983 } 2984 return new ComponentName(packageName, info.serviceInfo.name); 2985 } 2986 if (DEBUG_EPHEMERAL) { 2987 Slog.v(TAG, "Ephemeral resolver NOT found"); 2988 } 2989 return null; 2990 } 2991 2992 private @Nullable ComponentName getEphemeralInstallerLPr() { 2993 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2994 intent.addCategory(Intent.CATEGORY_DEFAULT); 2995 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2996 2997 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2998 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2999 UserHandle.USER_SYSTEM); 3000 if (matches.size() == 0) { 3001 return null; 3002 } else if (matches.size() == 1) { 3003 return matches.get(0).getComponentInfo().getComponentName(); 3004 } else { 3005 throw new RuntimeException( 3006 "There must be at most one ephemeral installer; found " + matches); 3007 } 3008 } 3009 3010 private void primeDomainVerificationsLPw(int userId) { 3011 if (DEBUG_DOMAIN_VERIFICATION) { 3012 Slog.d(TAG, "Priming domain verifications in user " + userId); 3013 } 3014 3015 SystemConfig systemConfig = SystemConfig.getInstance(); 3016 ArraySet<String> packages = systemConfig.getLinkedApps(); 3017 ArraySet<String> domains = new ArraySet<String>(); 3018 3019 for (String packageName : packages) { 3020 PackageParser.Package pkg = mPackages.get(packageName); 3021 if (pkg != null) { 3022 if (!pkg.isSystemApp()) { 3023 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3024 continue; 3025 } 3026 3027 domains.clear(); 3028 for (PackageParser.Activity a : pkg.activities) { 3029 for (ActivityIntentInfo filter : a.intents) { 3030 if (hasValidDomains(filter)) { 3031 domains.addAll(filter.getHostsList()); 3032 } 3033 } 3034 } 3035 3036 if (domains.size() > 0) { 3037 if (DEBUG_DOMAIN_VERIFICATION) { 3038 Slog.v(TAG, " + " + packageName); 3039 } 3040 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3041 // state w.r.t. the formal app-linkage "no verification attempted" state; 3042 // and then 'always' in the per-user state actually used for intent resolution. 3043 final IntentFilterVerificationInfo ivi; 3044 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3045 new ArrayList<String>(domains)); 3046 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3047 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3048 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3049 } else { 3050 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3051 + "' does not handle web links"); 3052 } 3053 } else { 3054 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3055 } 3056 } 3057 3058 scheduleWritePackageRestrictionsLocked(userId); 3059 scheduleWriteSettingsLocked(); 3060 } 3061 3062 private void applyFactoryDefaultBrowserLPw(int userId) { 3063 // The default browser app's package name is stored in a string resource, 3064 // with a product-specific overlay used for vendor customization. 3065 String browserPkg = mContext.getResources().getString( 3066 com.android.internal.R.string.default_browser); 3067 if (!TextUtils.isEmpty(browserPkg)) { 3068 // non-empty string => required to be a known package 3069 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3070 if (ps == null) { 3071 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3072 browserPkg = null; 3073 } else { 3074 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3075 } 3076 } 3077 3078 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3079 // default. If there's more than one, just leave everything alone. 3080 if (browserPkg == null) { 3081 calculateDefaultBrowserLPw(userId); 3082 } 3083 } 3084 3085 private void calculateDefaultBrowserLPw(int userId) { 3086 List<String> allBrowsers = resolveAllBrowserApps(userId); 3087 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3088 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3089 } 3090 3091 private List<String> resolveAllBrowserApps(int userId) { 3092 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3093 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3094 PackageManager.MATCH_ALL, userId); 3095 3096 final int count = list.size(); 3097 List<String> result = new ArrayList<String>(count); 3098 for (int i=0; i<count; i++) { 3099 ResolveInfo info = list.get(i); 3100 if (info.activityInfo == null 3101 || !info.handleAllWebDataURI 3102 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3103 || result.contains(info.activityInfo.packageName)) { 3104 continue; 3105 } 3106 result.add(info.activityInfo.packageName); 3107 } 3108 3109 return result; 3110 } 3111 3112 private boolean packageIsBrowser(String packageName, int userId) { 3113 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3114 PackageManager.MATCH_ALL, userId); 3115 final int N = list.size(); 3116 for (int i = 0; i < N; i++) { 3117 ResolveInfo info = list.get(i); 3118 if (packageName.equals(info.activityInfo.packageName)) { 3119 return true; 3120 } 3121 } 3122 return false; 3123 } 3124 3125 private void checkDefaultBrowser() { 3126 final int myUserId = UserHandle.myUserId(); 3127 final String packageName = getDefaultBrowserPackageName(myUserId); 3128 if (packageName != null) { 3129 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3130 if (info == null) { 3131 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3132 synchronized (mPackages) { 3133 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3134 } 3135 } 3136 } 3137 } 3138 3139 @Override 3140 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3141 throws RemoteException { 3142 try { 3143 return super.onTransact(code, data, reply, flags); 3144 } catch (RuntimeException e) { 3145 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3146 Slog.wtf(TAG, "Package Manager Crash", e); 3147 } 3148 throw e; 3149 } 3150 } 3151 3152 static int[] appendInts(int[] cur, int[] add) { 3153 if (add == null) return cur; 3154 if (cur == null) return add; 3155 final int N = add.length; 3156 for (int i=0; i<N; i++) { 3157 cur = appendInt(cur, add[i]); 3158 } 3159 return cur; 3160 } 3161 3162 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3163 if (!sUserManager.exists(userId)) return null; 3164 if (ps == null) { 3165 return null; 3166 } 3167 final PackageParser.Package p = ps.pkg; 3168 if (p == null) { 3169 return null; 3170 } 3171 3172 final PermissionsState permissionsState = ps.getPermissionsState(); 3173 3174 final int[] gids = permissionsState.computeGids(userId); 3175 final Set<String> permissions = permissionsState.getPermissions(userId); 3176 final PackageUserState state = ps.readUserState(userId); 3177 3178 return PackageParser.generatePackageInfo(p, gids, flags, 3179 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3180 } 3181 3182 @Override 3183 public void checkPackageStartable(String packageName, int userId) { 3184 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3185 3186 synchronized (mPackages) { 3187 final PackageSetting ps = mSettings.mPackages.get(packageName); 3188 if (ps == null) { 3189 throw new SecurityException("Package " + packageName + " was not found!"); 3190 } 3191 3192 if (!ps.getInstalled(userId)) { 3193 throw new SecurityException( 3194 "Package " + packageName + " was not installed for user " + userId + "!"); 3195 } 3196 3197 if (mSafeMode && !ps.isSystem()) { 3198 throw new SecurityException("Package " + packageName + " not a system app!"); 3199 } 3200 3201 if (mFrozenPackages.contains(packageName)) { 3202 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3203 } 3204 3205 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3206 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3207 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3208 } 3209 } 3210 } 3211 3212 @Override 3213 public boolean isPackageAvailable(String packageName, int userId) { 3214 if (!sUserManager.exists(userId)) return false; 3215 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3216 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3217 synchronized (mPackages) { 3218 PackageParser.Package p = mPackages.get(packageName); 3219 if (p != null) { 3220 final PackageSetting ps = (PackageSetting) p.mExtras; 3221 if (ps != null) { 3222 final PackageUserState state = ps.readUserState(userId); 3223 if (state != null) { 3224 return PackageParser.isAvailable(state); 3225 } 3226 } 3227 } 3228 } 3229 return false; 3230 } 3231 3232 @Override 3233 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3234 if (!sUserManager.exists(userId)) return null; 3235 flags = updateFlagsForPackage(flags, userId, packageName); 3236 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3237 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3238 // reader 3239 synchronized (mPackages) { 3240 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3241 PackageParser.Package p = null; 3242 if (matchFactoryOnly) { 3243 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3244 if (ps != null) { 3245 return generatePackageInfo(ps, flags, userId); 3246 } 3247 } 3248 if (p == null) { 3249 p = mPackages.get(packageName); 3250 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3251 return null; 3252 } 3253 } 3254 if (DEBUG_PACKAGE_INFO) 3255 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3256 if (p != null) { 3257 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3258 } 3259 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3260 final PackageSetting ps = mSettings.mPackages.get(packageName); 3261 return generatePackageInfo(ps, flags, userId); 3262 } 3263 } 3264 return null; 3265 } 3266 3267 @Override 3268 public String[] currentToCanonicalPackageNames(String[] names) { 3269 String[] out = new String[names.length]; 3270 // reader 3271 synchronized (mPackages) { 3272 for (int i=names.length-1; i>=0; i--) { 3273 PackageSetting ps = mSettings.mPackages.get(names[i]); 3274 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3275 } 3276 } 3277 return out; 3278 } 3279 3280 @Override 3281 public String[] canonicalToCurrentPackageNames(String[] names) { 3282 String[] out = new String[names.length]; 3283 // reader 3284 synchronized (mPackages) { 3285 for (int i=names.length-1; i>=0; i--) { 3286 String cur = mSettings.mRenamedPackages.get(names[i]); 3287 out[i] = cur != null ? cur : names[i]; 3288 } 3289 } 3290 return out; 3291 } 3292 3293 @Override 3294 public int getPackageUid(String packageName, int flags, int userId) { 3295 if (!sUserManager.exists(userId)) return -1; 3296 flags = updateFlagsForPackage(flags, userId, packageName); 3297 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3298 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3299 3300 // reader 3301 synchronized (mPackages) { 3302 final PackageParser.Package p = mPackages.get(packageName); 3303 if (p != null && p.isMatch(flags)) { 3304 return UserHandle.getUid(userId, p.applicationInfo.uid); 3305 } 3306 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3307 final PackageSetting ps = mSettings.mPackages.get(packageName); 3308 if (ps != null && ps.isMatch(flags)) { 3309 return UserHandle.getUid(userId, ps.appId); 3310 } 3311 } 3312 } 3313 3314 return -1; 3315 } 3316 3317 @Override 3318 public int[] getPackageGids(String packageName, int flags, int userId) { 3319 if (!sUserManager.exists(userId)) return null; 3320 flags = updateFlagsForPackage(flags, userId, packageName); 3321 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3322 false /* requireFullPermission */, false /* checkShell */, 3323 "getPackageGids"); 3324 3325 // reader 3326 synchronized (mPackages) { 3327 final PackageParser.Package p = mPackages.get(packageName); 3328 if (p != null && p.isMatch(flags)) { 3329 PackageSetting ps = (PackageSetting) p.mExtras; 3330 return ps.getPermissionsState().computeGids(userId); 3331 } 3332 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3333 final PackageSetting ps = mSettings.mPackages.get(packageName); 3334 if (ps != null && ps.isMatch(flags)) { 3335 return ps.getPermissionsState().computeGids(userId); 3336 } 3337 } 3338 } 3339 3340 return null; 3341 } 3342 3343 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3344 if (bp.perm != null) { 3345 return PackageParser.generatePermissionInfo(bp.perm, flags); 3346 } 3347 PermissionInfo pi = new PermissionInfo(); 3348 pi.name = bp.name; 3349 pi.packageName = bp.sourcePackage; 3350 pi.nonLocalizedLabel = bp.name; 3351 pi.protectionLevel = bp.protectionLevel; 3352 return pi; 3353 } 3354 3355 @Override 3356 public PermissionInfo getPermissionInfo(String name, int flags) { 3357 // reader 3358 synchronized (mPackages) { 3359 final BasePermission p = mSettings.mPermissions.get(name); 3360 if (p != null) { 3361 return generatePermissionInfo(p, flags); 3362 } 3363 return null; 3364 } 3365 } 3366 3367 @Override 3368 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3369 int flags) { 3370 // reader 3371 synchronized (mPackages) { 3372 if (group != null && !mPermissionGroups.containsKey(group)) { 3373 // This is thrown as NameNotFoundException 3374 return null; 3375 } 3376 3377 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3378 for (BasePermission p : mSettings.mPermissions.values()) { 3379 if (group == null) { 3380 if (p.perm == null || p.perm.info.group == null) { 3381 out.add(generatePermissionInfo(p, flags)); 3382 } 3383 } else { 3384 if (p.perm != null && group.equals(p.perm.info.group)) { 3385 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3386 } 3387 } 3388 } 3389 return new ParceledListSlice<>(out); 3390 } 3391 } 3392 3393 @Override 3394 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3395 // reader 3396 synchronized (mPackages) { 3397 return PackageParser.generatePermissionGroupInfo( 3398 mPermissionGroups.get(name), flags); 3399 } 3400 } 3401 3402 @Override 3403 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3404 // reader 3405 synchronized (mPackages) { 3406 final int N = mPermissionGroups.size(); 3407 ArrayList<PermissionGroupInfo> out 3408 = new ArrayList<PermissionGroupInfo>(N); 3409 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3410 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3411 } 3412 return new ParceledListSlice<>(out); 3413 } 3414 } 3415 3416 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3417 int userId) { 3418 if (!sUserManager.exists(userId)) return null; 3419 PackageSetting ps = mSettings.mPackages.get(packageName); 3420 if (ps != null) { 3421 if (ps.pkg == null) { 3422 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3423 if (pInfo != null) { 3424 return pInfo.applicationInfo; 3425 } 3426 return null; 3427 } 3428 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3429 ps.readUserState(userId), userId); 3430 } 3431 return null; 3432 } 3433 3434 @Override 3435 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3436 if (!sUserManager.exists(userId)) return null; 3437 flags = updateFlagsForApplication(flags, userId, packageName); 3438 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3439 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3440 // writer 3441 synchronized (mPackages) { 3442 PackageParser.Package p = mPackages.get(packageName); 3443 if (DEBUG_PACKAGE_INFO) Log.v( 3444 TAG, "getApplicationInfo " + packageName 3445 + ": " + p); 3446 if (p != null) { 3447 PackageSetting ps = mSettings.mPackages.get(packageName); 3448 if (ps == null) return null; 3449 // Note: isEnabledLP() does not apply here - always return info 3450 return PackageParser.generateApplicationInfo( 3451 p, flags, ps.readUserState(userId), userId); 3452 } 3453 if ("android".equals(packageName)||"system".equals(packageName)) { 3454 return mAndroidApplication; 3455 } 3456 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3457 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3458 } 3459 } 3460 return null; 3461 } 3462 3463 @Override 3464 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3465 final IPackageDataObserver observer) { 3466 mContext.enforceCallingOrSelfPermission( 3467 android.Manifest.permission.CLEAR_APP_CACHE, null); 3468 // Queue up an async operation since clearing cache may take a little while. 3469 mHandler.post(new Runnable() { 3470 public void run() { 3471 mHandler.removeCallbacks(this); 3472 boolean success = true; 3473 synchronized (mInstallLock) { 3474 try { 3475 mInstaller.freeCache(volumeUuid, freeStorageSize); 3476 } catch (InstallerException e) { 3477 Slog.w(TAG, "Couldn't clear application caches: " + e); 3478 success = false; 3479 } 3480 } 3481 if (observer != null) { 3482 try { 3483 observer.onRemoveCompleted(null, success); 3484 } catch (RemoteException e) { 3485 Slog.w(TAG, "RemoveException when invoking call back"); 3486 } 3487 } 3488 } 3489 }); 3490 } 3491 3492 @Override 3493 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3494 final IntentSender pi) { 3495 mContext.enforceCallingOrSelfPermission( 3496 android.Manifest.permission.CLEAR_APP_CACHE, null); 3497 // Queue up an async operation since clearing cache may take a little while. 3498 mHandler.post(new Runnable() { 3499 public void run() { 3500 mHandler.removeCallbacks(this); 3501 boolean success = true; 3502 synchronized (mInstallLock) { 3503 try { 3504 mInstaller.freeCache(volumeUuid, freeStorageSize); 3505 } catch (InstallerException e) { 3506 Slog.w(TAG, "Couldn't clear application caches: " + e); 3507 success = false; 3508 } 3509 } 3510 if(pi != null) { 3511 try { 3512 // Callback via pending intent 3513 int code = success ? 1 : 0; 3514 pi.sendIntent(null, code, null, 3515 null, null); 3516 } catch (SendIntentException e1) { 3517 Slog.i(TAG, "Failed to send pending intent"); 3518 } 3519 } 3520 } 3521 }); 3522 } 3523 3524 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3525 synchronized (mInstallLock) { 3526 try { 3527 mInstaller.freeCache(volumeUuid, freeStorageSize); 3528 } catch (InstallerException e) { 3529 throw new IOException("Failed to free enough space", e); 3530 } 3531 } 3532 } 3533 3534 /** 3535 * Update given flags based on encryption status of current user. 3536 */ 3537 private int updateFlags(int flags, int userId) { 3538 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3539 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3540 // Caller expressed an explicit opinion about what encryption 3541 // aware/unaware components they want to see, so fall through and 3542 // give them what they want 3543 } else { 3544 // Caller expressed no opinion, so match based on user state 3545 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3546 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3547 } else { 3548 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3549 } 3550 } 3551 return flags; 3552 } 3553 3554 private UserManagerInternal getUserManagerInternal() { 3555 if (mUserManagerInternal == null) { 3556 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3557 } 3558 return mUserManagerInternal; 3559 } 3560 3561 /** 3562 * Update given flags when being used to request {@link PackageInfo}. 3563 */ 3564 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3565 boolean triaged = true; 3566 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3567 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3568 // Caller is asking for component details, so they'd better be 3569 // asking for specific encryption matching behavior, or be triaged 3570 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3571 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3572 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3573 triaged = false; 3574 } 3575 } 3576 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3577 | PackageManager.MATCH_SYSTEM_ONLY 3578 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3579 triaged = false; 3580 } 3581 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3582 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3583 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3584 } 3585 return updateFlags(flags, userId); 3586 } 3587 3588 /** 3589 * Update given flags when being used to request {@link ApplicationInfo}. 3590 */ 3591 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3592 return updateFlagsForPackage(flags, userId, cookie); 3593 } 3594 3595 /** 3596 * Update given flags when being used to request {@link ComponentInfo}. 3597 */ 3598 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3599 if (cookie instanceof Intent) { 3600 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3601 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3602 } 3603 } 3604 3605 boolean triaged = true; 3606 // Caller is asking for component details, so they'd better be 3607 // asking for specific encryption matching behavior, or be triaged 3608 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3609 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3610 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3611 triaged = false; 3612 } 3613 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3614 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3615 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3616 } 3617 3618 return updateFlags(flags, userId); 3619 } 3620 3621 /** 3622 * Update given flags when being used to request {@link ResolveInfo}. 3623 */ 3624 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3625 // Safe mode means we shouldn't match any third-party components 3626 if (mSafeMode) { 3627 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3628 } 3629 3630 return updateFlagsForComponent(flags, userId, cookie); 3631 } 3632 3633 @Override 3634 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3635 if (!sUserManager.exists(userId)) return null; 3636 flags = updateFlagsForComponent(flags, userId, component); 3637 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3638 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3639 synchronized (mPackages) { 3640 PackageParser.Activity a = mActivities.mActivities.get(component); 3641 3642 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3643 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3644 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3645 if (ps == null) return null; 3646 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3647 userId); 3648 } 3649 if (mResolveComponentName.equals(component)) { 3650 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3651 new PackageUserState(), userId); 3652 } 3653 } 3654 return null; 3655 } 3656 3657 @Override 3658 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3659 String resolvedType) { 3660 synchronized (mPackages) { 3661 if (component.equals(mResolveComponentName)) { 3662 // The resolver supports EVERYTHING! 3663 return true; 3664 } 3665 PackageParser.Activity a = mActivities.mActivities.get(component); 3666 if (a == null) { 3667 return false; 3668 } 3669 for (int i=0; i<a.intents.size(); i++) { 3670 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3671 intent.getData(), intent.getCategories(), TAG) >= 0) { 3672 return true; 3673 } 3674 } 3675 return false; 3676 } 3677 } 3678 3679 @Override 3680 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3681 if (!sUserManager.exists(userId)) return null; 3682 flags = updateFlagsForComponent(flags, userId, component); 3683 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3684 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3685 synchronized (mPackages) { 3686 PackageParser.Activity a = mReceivers.mActivities.get(component); 3687 if (DEBUG_PACKAGE_INFO) Log.v( 3688 TAG, "getReceiverInfo " + component + ": " + a); 3689 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3690 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3691 if (ps == null) return null; 3692 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3693 userId); 3694 } 3695 } 3696 return null; 3697 } 3698 3699 @Override 3700 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3701 if (!sUserManager.exists(userId)) return null; 3702 flags = updateFlagsForComponent(flags, userId, component); 3703 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3704 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3705 synchronized (mPackages) { 3706 PackageParser.Service s = mServices.mServices.get(component); 3707 if (DEBUG_PACKAGE_INFO) Log.v( 3708 TAG, "getServiceInfo " + component + ": " + s); 3709 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3710 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3711 if (ps == null) return null; 3712 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3713 userId); 3714 } 3715 } 3716 return null; 3717 } 3718 3719 @Override 3720 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3721 if (!sUserManager.exists(userId)) return null; 3722 flags = updateFlagsForComponent(flags, userId, component); 3723 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3724 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3725 synchronized (mPackages) { 3726 PackageParser.Provider p = mProviders.mProviders.get(component); 3727 if (DEBUG_PACKAGE_INFO) Log.v( 3728 TAG, "getProviderInfo " + component + ": " + p); 3729 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3730 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3731 if (ps == null) return null; 3732 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3733 userId); 3734 } 3735 } 3736 return null; 3737 } 3738 3739 @Override 3740 public String[] getSystemSharedLibraryNames() { 3741 Set<String> libSet; 3742 synchronized (mPackages) { 3743 libSet = mSharedLibraries.keySet(); 3744 int size = libSet.size(); 3745 if (size > 0) { 3746 String[] libs = new String[size]; 3747 libSet.toArray(libs); 3748 return libs; 3749 } 3750 } 3751 return null; 3752 } 3753 3754 @Override 3755 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3756 synchronized (mPackages) { 3757 return mServicesSystemSharedLibraryPackageName; 3758 } 3759 } 3760 3761 @Override 3762 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3763 synchronized (mPackages) { 3764 return mSharedSystemSharedLibraryPackageName; 3765 } 3766 } 3767 3768 @Override 3769 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3770 synchronized (mPackages) { 3771 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3772 3773 final FeatureInfo fi = new FeatureInfo(); 3774 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3775 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3776 res.add(fi); 3777 3778 return new ParceledListSlice<>(res); 3779 } 3780 } 3781 3782 @Override 3783 public boolean hasSystemFeature(String name, int version) { 3784 synchronized (mPackages) { 3785 final FeatureInfo feat = mAvailableFeatures.get(name); 3786 if (feat == null) { 3787 return false; 3788 } else { 3789 return feat.version >= version; 3790 } 3791 } 3792 } 3793 3794 @Override 3795 public int checkPermission(String permName, String pkgName, int userId) { 3796 if (!sUserManager.exists(userId)) { 3797 return PackageManager.PERMISSION_DENIED; 3798 } 3799 3800 synchronized (mPackages) { 3801 final PackageParser.Package p = mPackages.get(pkgName); 3802 if (p != null && p.mExtras != null) { 3803 final PackageSetting ps = (PackageSetting) p.mExtras; 3804 final PermissionsState permissionsState = ps.getPermissionsState(); 3805 if (permissionsState.hasPermission(permName, userId)) { 3806 return PackageManager.PERMISSION_GRANTED; 3807 } 3808 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3809 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3810 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3811 return PackageManager.PERMISSION_GRANTED; 3812 } 3813 } 3814 } 3815 3816 return PackageManager.PERMISSION_DENIED; 3817 } 3818 3819 @Override 3820 public int checkUidPermission(String permName, int uid) { 3821 final int userId = UserHandle.getUserId(uid); 3822 3823 if (!sUserManager.exists(userId)) { 3824 return PackageManager.PERMISSION_DENIED; 3825 } 3826 3827 synchronized (mPackages) { 3828 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3829 if (obj != null) { 3830 final SettingBase ps = (SettingBase) obj; 3831 final PermissionsState permissionsState = ps.getPermissionsState(); 3832 if (permissionsState.hasPermission(permName, userId)) { 3833 return PackageManager.PERMISSION_GRANTED; 3834 } 3835 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3836 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3837 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3838 return PackageManager.PERMISSION_GRANTED; 3839 } 3840 } else { 3841 ArraySet<String> perms = mSystemPermissions.get(uid); 3842 if (perms != null) { 3843 if (perms.contains(permName)) { 3844 return PackageManager.PERMISSION_GRANTED; 3845 } 3846 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3847 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3848 return PackageManager.PERMISSION_GRANTED; 3849 } 3850 } 3851 } 3852 } 3853 3854 return PackageManager.PERMISSION_DENIED; 3855 } 3856 3857 @Override 3858 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3859 if (UserHandle.getCallingUserId() != userId) { 3860 mContext.enforceCallingPermission( 3861 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3862 "isPermissionRevokedByPolicy for user " + userId); 3863 } 3864 3865 if (checkPermission(permission, packageName, userId) 3866 == PackageManager.PERMISSION_GRANTED) { 3867 return false; 3868 } 3869 3870 final long identity = Binder.clearCallingIdentity(); 3871 try { 3872 final int flags = getPermissionFlags(permission, packageName, userId); 3873 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3874 } finally { 3875 Binder.restoreCallingIdentity(identity); 3876 } 3877 } 3878 3879 @Override 3880 public String getPermissionControllerPackageName() { 3881 synchronized (mPackages) { 3882 return mRequiredInstallerPackage; 3883 } 3884 } 3885 3886 /** 3887 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3888 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3889 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3890 * @param message the message to log on security exception 3891 */ 3892 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3893 boolean checkShell, String message) { 3894 if (userId < 0) { 3895 throw new IllegalArgumentException("Invalid userId " + userId); 3896 } 3897 if (checkShell) { 3898 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3899 } 3900 if (userId == UserHandle.getUserId(callingUid)) return; 3901 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3902 if (requireFullPermission) { 3903 mContext.enforceCallingOrSelfPermission( 3904 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3905 } else { 3906 try { 3907 mContext.enforceCallingOrSelfPermission( 3908 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3909 } catch (SecurityException se) { 3910 mContext.enforceCallingOrSelfPermission( 3911 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3912 } 3913 } 3914 } 3915 } 3916 3917 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3918 if (callingUid == Process.SHELL_UID) { 3919 if (userHandle >= 0 3920 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3921 throw new SecurityException("Shell does not have permission to access user " 3922 + userHandle); 3923 } else if (userHandle < 0) { 3924 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3925 + Debug.getCallers(3)); 3926 } 3927 } 3928 } 3929 3930 private BasePermission findPermissionTreeLP(String permName) { 3931 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3932 if (permName.startsWith(bp.name) && 3933 permName.length() > bp.name.length() && 3934 permName.charAt(bp.name.length()) == '.') { 3935 return bp; 3936 } 3937 } 3938 return null; 3939 } 3940 3941 private BasePermission checkPermissionTreeLP(String permName) { 3942 if (permName != null) { 3943 BasePermission bp = findPermissionTreeLP(permName); 3944 if (bp != null) { 3945 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3946 return bp; 3947 } 3948 throw new SecurityException("Calling uid " 3949 + Binder.getCallingUid() 3950 + " is not allowed to add to permission tree " 3951 + bp.name + " owned by uid " + bp.uid); 3952 } 3953 } 3954 throw new SecurityException("No permission tree found for " + permName); 3955 } 3956 3957 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3958 if (s1 == null) { 3959 return s2 == null; 3960 } 3961 if (s2 == null) { 3962 return false; 3963 } 3964 if (s1.getClass() != s2.getClass()) { 3965 return false; 3966 } 3967 return s1.equals(s2); 3968 } 3969 3970 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3971 if (pi1.icon != pi2.icon) return false; 3972 if (pi1.logo != pi2.logo) return false; 3973 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3974 if (!compareStrings(pi1.name, pi2.name)) return false; 3975 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3976 // We'll take care of setting this one. 3977 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3978 // These are not currently stored in settings. 3979 //if (!compareStrings(pi1.group, pi2.group)) return false; 3980 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3981 //if (pi1.labelRes != pi2.labelRes) return false; 3982 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3983 return true; 3984 } 3985 3986 int permissionInfoFootprint(PermissionInfo info) { 3987 int size = info.name.length(); 3988 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3989 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3990 return size; 3991 } 3992 3993 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3994 int size = 0; 3995 for (BasePermission perm : mSettings.mPermissions.values()) { 3996 if (perm.uid == tree.uid) { 3997 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3998 } 3999 } 4000 return size; 4001 } 4002 4003 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4004 // We calculate the max size of permissions defined by this uid and throw 4005 // if that plus the size of 'info' would exceed our stated maximum. 4006 if (tree.uid != Process.SYSTEM_UID) { 4007 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4008 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4009 throw new SecurityException("Permission tree size cap exceeded"); 4010 } 4011 } 4012 } 4013 4014 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4015 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4016 throw new SecurityException("Label must be specified in permission"); 4017 } 4018 BasePermission tree = checkPermissionTreeLP(info.name); 4019 BasePermission bp = mSettings.mPermissions.get(info.name); 4020 boolean added = bp == null; 4021 boolean changed = true; 4022 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4023 if (added) { 4024 enforcePermissionCapLocked(info, tree); 4025 bp = new BasePermission(info.name, tree.sourcePackage, 4026 BasePermission.TYPE_DYNAMIC); 4027 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4028 throw new SecurityException( 4029 "Not allowed to modify non-dynamic permission " 4030 + info.name); 4031 } else { 4032 if (bp.protectionLevel == fixedLevel 4033 && bp.perm.owner.equals(tree.perm.owner) 4034 && bp.uid == tree.uid 4035 && comparePermissionInfos(bp.perm.info, info)) { 4036 changed = false; 4037 } 4038 } 4039 bp.protectionLevel = fixedLevel; 4040 info = new PermissionInfo(info); 4041 info.protectionLevel = fixedLevel; 4042 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4043 bp.perm.info.packageName = tree.perm.info.packageName; 4044 bp.uid = tree.uid; 4045 if (added) { 4046 mSettings.mPermissions.put(info.name, bp); 4047 } 4048 if (changed) { 4049 if (!async) { 4050 mSettings.writeLPr(); 4051 } else { 4052 scheduleWriteSettingsLocked(); 4053 } 4054 } 4055 return added; 4056 } 4057 4058 @Override 4059 public boolean addPermission(PermissionInfo info) { 4060 synchronized (mPackages) { 4061 return addPermissionLocked(info, false); 4062 } 4063 } 4064 4065 @Override 4066 public boolean addPermissionAsync(PermissionInfo info) { 4067 synchronized (mPackages) { 4068 return addPermissionLocked(info, true); 4069 } 4070 } 4071 4072 @Override 4073 public void removePermission(String name) { 4074 synchronized (mPackages) { 4075 checkPermissionTreeLP(name); 4076 BasePermission bp = mSettings.mPermissions.get(name); 4077 if (bp != null) { 4078 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4079 throw new SecurityException( 4080 "Not allowed to modify non-dynamic permission " 4081 + name); 4082 } 4083 mSettings.mPermissions.remove(name); 4084 mSettings.writeLPr(); 4085 } 4086 } 4087 } 4088 4089 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4090 BasePermission bp) { 4091 int index = pkg.requestedPermissions.indexOf(bp.name); 4092 if (index == -1) { 4093 throw new SecurityException("Package " + pkg.packageName 4094 + " has not requested permission " + bp.name); 4095 } 4096 if (!bp.isRuntime() && !bp.isDevelopment()) { 4097 throw new SecurityException("Permission " + bp.name 4098 + " is not a changeable permission type"); 4099 } 4100 } 4101 4102 @Override 4103 public void grantRuntimePermission(String packageName, String name, final int userId) { 4104 if (!sUserManager.exists(userId)) { 4105 Log.e(TAG, "No such user:" + userId); 4106 return; 4107 } 4108 4109 mContext.enforceCallingOrSelfPermission( 4110 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4111 "grantRuntimePermission"); 4112 4113 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4114 true /* requireFullPermission */, true /* checkShell */, 4115 "grantRuntimePermission"); 4116 4117 final int uid; 4118 final SettingBase sb; 4119 4120 synchronized (mPackages) { 4121 final PackageParser.Package pkg = mPackages.get(packageName); 4122 if (pkg == null) { 4123 throw new IllegalArgumentException("Unknown package: " + packageName); 4124 } 4125 4126 final BasePermission bp = mSettings.mPermissions.get(name); 4127 if (bp == null) { 4128 throw new IllegalArgumentException("Unknown permission: " + name); 4129 } 4130 4131 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4132 4133 // If a permission review is required for legacy apps we represent 4134 // their permissions as always granted runtime ones since we need 4135 // to keep the review required permission flag per user while an 4136 // install permission's state is shared across all users. 4137 if (Build.PERMISSIONS_REVIEW_REQUIRED 4138 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4139 && bp.isRuntime()) { 4140 return; 4141 } 4142 4143 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4144 sb = (SettingBase) pkg.mExtras; 4145 if (sb == null) { 4146 throw new IllegalArgumentException("Unknown package: " + packageName); 4147 } 4148 4149 final PermissionsState permissionsState = sb.getPermissionsState(); 4150 4151 final int flags = permissionsState.getPermissionFlags(name, userId); 4152 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4153 throw new SecurityException("Cannot grant system fixed permission " 4154 + name + " for package " + packageName); 4155 } 4156 4157 if (bp.isDevelopment()) { 4158 // Development permissions must be handled specially, since they are not 4159 // normal runtime permissions. For now they apply to all users. 4160 if (permissionsState.grantInstallPermission(bp) != 4161 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4162 scheduleWriteSettingsLocked(); 4163 } 4164 return; 4165 } 4166 4167 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4168 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4169 return; 4170 } 4171 4172 final int result = permissionsState.grantRuntimePermission(bp, userId); 4173 switch (result) { 4174 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4175 return; 4176 } 4177 4178 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4179 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4180 mHandler.post(new Runnable() { 4181 @Override 4182 public void run() { 4183 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4184 } 4185 }); 4186 } 4187 break; 4188 } 4189 4190 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4191 4192 // Not critical if that is lost - app has to request again. 4193 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4194 } 4195 4196 // Only need to do this if user is initialized. Otherwise it's a new user 4197 // and there are no processes running as the user yet and there's no need 4198 // to make an expensive call to remount processes for the changed permissions. 4199 if (READ_EXTERNAL_STORAGE.equals(name) 4200 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4201 final long token = Binder.clearCallingIdentity(); 4202 try { 4203 if (sUserManager.isInitialized(userId)) { 4204 MountServiceInternal mountServiceInternal = LocalServices.getService( 4205 MountServiceInternal.class); 4206 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4207 } 4208 } finally { 4209 Binder.restoreCallingIdentity(token); 4210 } 4211 } 4212 } 4213 4214 @Override 4215 public void revokeRuntimePermission(String packageName, String name, int userId) { 4216 if (!sUserManager.exists(userId)) { 4217 Log.e(TAG, "No such user:" + userId); 4218 return; 4219 } 4220 4221 mContext.enforceCallingOrSelfPermission( 4222 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4223 "revokeRuntimePermission"); 4224 4225 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4226 true /* requireFullPermission */, true /* checkShell */, 4227 "revokeRuntimePermission"); 4228 4229 final int appId; 4230 4231 synchronized (mPackages) { 4232 final PackageParser.Package pkg = mPackages.get(packageName); 4233 if (pkg == null) { 4234 throw new IllegalArgumentException("Unknown package: " + packageName); 4235 } 4236 4237 final BasePermission bp = mSettings.mPermissions.get(name); 4238 if (bp == null) { 4239 throw new IllegalArgumentException("Unknown permission: " + name); 4240 } 4241 4242 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4243 4244 // If a permission review is required for legacy apps we represent 4245 // their permissions as always granted runtime ones since we need 4246 // to keep the review required permission flag per user while an 4247 // install permission's state is shared across all users. 4248 if (Build.PERMISSIONS_REVIEW_REQUIRED 4249 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4250 && bp.isRuntime()) { 4251 return; 4252 } 4253 4254 SettingBase sb = (SettingBase) pkg.mExtras; 4255 if (sb == null) { 4256 throw new IllegalArgumentException("Unknown package: " + packageName); 4257 } 4258 4259 final PermissionsState permissionsState = sb.getPermissionsState(); 4260 4261 final int flags = permissionsState.getPermissionFlags(name, userId); 4262 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4263 throw new SecurityException("Cannot revoke system fixed permission " 4264 + name + " for package " + packageName); 4265 } 4266 4267 if (bp.isDevelopment()) { 4268 // Development permissions must be handled specially, since they are not 4269 // normal runtime permissions. For now they apply to all users. 4270 if (permissionsState.revokeInstallPermission(bp) != 4271 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4272 scheduleWriteSettingsLocked(); 4273 } 4274 return; 4275 } 4276 4277 if (permissionsState.revokeRuntimePermission(bp, userId) == 4278 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4279 return; 4280 } 4281 4282 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4283 4284 // Critical, after this call app should never have the permission. 4285 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4286 4287 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4288 } 4289 4290 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4291 } 4292 4293 @Override 4294 public void resetRuntimePermissions() { 4295 mContext.enforceCallingOrSelfPermission( 4296 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4297 "revokeRuntimePermission"); 4298 4299 int callingUid = Binder.getCallingUid(); 4300 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4301 mContext.enforceCallingOrSelfPermission( 4302 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4303 "resetRuntimePermissions"); 4304 } 4305 4306 synchronized (mPackages) { 4307 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4308 for (int userId : UserManagerService.getInstance().getUserIds()) { 4309 final int packageCount = mPackages.size(); 4310 for (int i = 0; i < packageCount; i++) { 4311 PackageParser.Package pkg = mPackages.valueAt(i); 4312 if (!(pkg.mExtras instanceof PackageSetting)) { 4313 continue; 4314 } 4315 PackageSetting ps = (PackageSetting) pkg.mExtras; 4316 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4317 } 4318 } 4319 } 4320 } 4321 4322 @Override 4323 public int getPermissionFlags(String name, String packageName, int userId) { 4324 if (!sUserManager.exists(userId)) { 4325 return 0; 4326 } 4327 4328 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4329 4330 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4331 true /* requireFullPermission */, false /* checkShell */, 4332 "getPermissionFlags"); 4333 4334 synchronized (mPackages) { 4335 final PackageParser.Package pkg = mPackages.get(packageName); 4336 if (pkg == null) { 4337 return 0; 4338 } 4339 4340 final BasePermission bp = mSettings.mPermissions.get(name); 4341 if (bp == null) { 4342 return 0; 4343 } 4344 4345 SettingBase sb = (SettingBase) pkg.mExtras; 4346 if (sb == null) { 4347 return 0; 4348 } 4349 4350 PermissionsState permissionsState = sb.getPermissionsState(); 4351 return permissionsState.getPermissionFlags(name, userId); 4352 } 4353 } 4354 4355 @Override 4356 public void updatePermissionFlags(String name, String packageName, int flagMask, 4357 int flagValues, int userId) { 4358 if (!sUserManager.exists(userId)) { 4359 return; 4360 } 4361 4362 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4363 4364 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4365 true /* requireFullPermission */, true /* checkShell */, 4366 "updatePermissionFlags"); 4367 4368 // Only the system can change these flags and nothing else. 4369 if (getCallingUid() != Process.SYSTEM_UID) { 4370 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4371 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4372 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4373 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4374 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4375 } 4376 4377 synchronized (mPackages) { 4378 final PackageParser.Package pkg = mPackages.get(packageName); 4379 if (pkg == null) { 4380 throw new IllegalArgumentException("Unknown package: " + packageName); 4381 } 4382 4383 final BasePermission bp = mSettings.mPermissions.get(name); 4384 if (bp == null) { 4385 throw new IllegalArgumentException("Unknown permission: " + name); 4386 } 4387 4388 SettingBase sb = (SettingBase) pkg.mExtras; 4389 if (sb == null) { 4390 throw new IllegalArgumentException("Unknown package: " + packageName); 4391 } 4392 4393 PermissionsState permissionsState = sb.getPermissionsState(); 4394 4395 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4396 4397 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4398 // Install and runtime permissions are stored in different places, 4399 // so figure out what permission changed and persist the change. 4400 if (permissionsState.getInstallPermissionState(name) != null) { 4401 scheduleWriteSettingsLocked(); 4402 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4403 || hadState) { 4404 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4405 } 4406 } 4407 } 4408 } 4409 4410 /** 4411 * Update the permission flags for all packages and runtime permissions of a user in order 4412 * to allow device or profile owner to remove POLICY_FIXED. 4413 */ 4414 @Override 4415 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4416 if (!sUserManager.exists(userId)) { 4417 return; 4418 } 4419 4420 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4421 4422 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4423 true /* requireFullPermission */, true /* checkShell */, 4424 "updatePermissionFlagsForAllApps"); 4425 4426 // Only the system can change system fixed flags. 4427 if (getCallingUid() != Process.SYSTEM_UID) { 4428 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4429 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4430 } 4431 4432 synchronized (mPackages) { 4433 boolean changed = false; 4434 final int packageCount = mPackages.size(); 4435 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4436 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4437 SettingBase sb = (SettingBase) pkg.mExtras; 4438 if (sb == null) { 4439 continue; 4440 } 4441 PermissionsState permissionsState = sb.getPermissionsState(); 4442 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4443 userId, flagMask, flagValues); 4444 } 4445 if (changed) { 4446 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4447 } 4448 } 4449 } 4450 4451 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4452 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4453 != PackageManager.PERMISSION_GRANTED 4454 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4455 != PackageManager.PERMISSION_GRANTED) { 4456 throw new SecurityException(message + " requires " 4457 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4458 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4459 } 4460 } 4461 4462 @Override 4463 public boolean shouldShowRequestPermissionRationale(String permissionName, 4464 String packageName, int userId) { 4465 if (UserHandle.getCallingUserId() != userId) { 4466 mContext.enforceCallingPermission( 4467 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4468 "canShowRequestPermissionRationale for user " + userId); 4469 } 4470 4471 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4472 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4473 return false; 4474 } 4475 4476 if (checkPermission(permissionName, packageName, userId) 4477 == PackageManager.PERMISSION_GRANTED) { 4478 return false; 4479 } 4480 4481 final int flags; 4482 4483 final long identity = Binder.clearCallingIdentity(); 4484 try { 4485 flags = getPermissionFlags(permissionName, 4486 packageName, userId); 4487 } finally { 4488 Binder.restoreCallingIdentity(identity); 4489 } 4490 4491 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4492 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4493 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4494 4495 if ((flags & fixedFlags) != 0) { 4496 return false; 4497 } 4498 4499 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4500 } 4501 4502 @Override 4503 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4504 mContext.enforceCallingOrSelfPermission( 4505 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4506 "addOnPermissionsChangeListener"); 4507 4508 synchronized (mPackages) { 4509 mOnPermissionChangeListeners.addListenerLocked(listener); 4510 } 4511 } 4512 4513 @Override 4514 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4515 synchronized (mPackages) { 4516 mOnPermissionChangeListeners.removeListenerLocked(listener); 4517 } 4518 } 4519 4520 @Override 4521 public boolean isProtectedBroadcast(String actionName) { 4522 synchronized (mPackages) { 4523 if (mProtectedBroadcasts.contains(actionName)) { 4524 return true; 4525 } else if (actionName != null) { 4526 // TODO: remove these terrible hacks 4527 if (actionName.startsWith("android.net.netmon.lingerExpired") 4528 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4529 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4530 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4531 return true; 4532 } 4533 } 4534 } 4535 return false; 4536 } 4537 4538 @Override 4539 public int checkSignatures(String pkg1, String pkg2) { 4540 synchronized (mPackages) { 4541 final PackageParser.Package p1 = mPackages.get(pkg1); 4542 final PackageParser.Package p2 = mPackages.get(pkg2); 4543 if (p1 == null || p1.mExtras == null 4544 || p2 == null || p2.mExtras == null) { 4545 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4546 } 4547 return compareSignatures(p1.mSignatures, p2.mSignatures); 4548 } 4549 } 4550 4551 @Override 4552 public int checkUidSignatures(int uid1, int uid2) { 4553 // Map to base uids. 4554 uid1 = UserHandle.getAppId(uid1); 4555 uid2 = UserHandle.getAppId(uid2); 4556 // reader 4557 synchronized (mPackages) { 4558 Signature[] s1; 4559 Signature[] s2; 4560 Object obj = mSettings.getUserIdLPr(uid1); 4561 if (obj != null) { 4562 if (obj instanceof SharedUserSetting) { 4563 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4564 } else if (obj instanceof PackageSetting) { 4565 s1 = ((PackageSetting)obj).signatures.mSignatures; 4566 } else { 4567 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4568 } 4569 } else { 4570 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4571 } 4572 obj = mSettings.getUserIdLPr(uid2); 4573 if (obj != null) { 4574 if (obj instanceof SharedUserSetting) { 4575 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4576 } else if (obj instanceof PackageSetting) { 4577 s2 = ((PackageSetting)obj).signatures.mSignatures; 4578 } else { 4579 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4580 } 4581 } else { 4582 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4583 } 4584 return compareSignatures(s1, s2); 4585 } 4586 } 4587 4588 /** 4589 * This method should typically only be used when granting or revoking 4590 * permissions, since the app may immediately restart after this call. 4591 * <p> 4592 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4593 * guard your work against the app being relaunched. 4594 */ 4595 private void killUid(int appId, int userId, String reason) { 4596 final long identity = Binder.clearCallingIdentity(); 4597 try { 4598 IActivityManager am = ActivityManagerNative.getDefault(); 4599 if (am != null) { 4600 try { 4601 am.killUid(appId, userId, reason); 4602 } catch (RemoteException e) { 4603 /* ignore - same process */ 4604 } 4605 } 4606 } finally { 4607 Binder.restoreCallingIdentity(identity); 4608 } 4609 } 4610 4611 /** 4612 * Compares two sets of signatures. Returns: 4613 * <br /> 4614 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4615 * <br /> 4616 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4617 * <br /> 4618 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4619 * <br /> 4620 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4621 * <br /> 4622 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4623 */ 4624 static int compareSignatures(Signature[] s1, Signature[] s2) { 4625 if (s1 == null) { 4626 return s2 == null 4627 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4628 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4629 } 4630 4631 if (s2 == null) { 4632 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4633 } 4634 4635 if (s1.length != s2.length) { 4636 return PackageManager.SIGNATURE_NO_MATCH; 4637 } 4638 4639 // Since both signature sets are of size 1, we can compare without HashSets. 4640 if (s1.length == 1) { 4641 return s1[0].equals(s2[0]) ? 4642 PackageManager.SIGNATURE_MATCH : 4643 PackageManager.SIGNATURE_NO_MATCH; 4644 } 4645 4646 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4647 for (Signature sig : s1) { 4648 set1.add(sig); 4649 } 4650 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4651 for (Signature sig : s2) { 4652 set2.add(sig); 4653 } 4654 // Make sure s2 contains all signatures in s1. 4655 if (set1.equals(set2)) { 4656 return PackageManager.SIGNATURE_MATCH; 4657 } 4658 return PackageManager.SIGNATURE_NO_MATCH; 4659 } 4660 4661 /** 4662 * If the database version for this type of package (internal storage or 4663 * external storage) is less than the version where package signatures 4664 * were updated, return true. 4665 */ 4666 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4667 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4668 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4669 } 4670 4671 /** 4672 * Used for backward compatibility to make sure any packages with 4673 * certificate chains get upgraded to the new style. {@code existingSigs} 4674 * will be in the old format (since they were stored on disk from before the 4675 * system upgrade) and {@code scannedSigs} will be in the newer format. 4676 */ 4677 private int compareSignaturesCompat(PackageSignatures existingSigs, 4678 PackageParser.Package scannedPkg) { 4679 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4680 return PackageManager.SIGNATURE_NO_MATCH; 4681 } 4682 4683 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4684 for (Signature sig : existingSigs.mSignatures) { 4685 existingSet.add(sig); 4686 } 4687 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4688 for (Signature sig : scannedPkg.mSignatures) { 4689 try { 4690 Signature[] chainSignatures = sig.getChainSignatures(); 4691 for (Signature chainSig : chainSignatures) { 4692 scannedCompatSet.add(chainSig); 4693 } 4694 } catch (CertificateEncodingException e) { 4695 scannedCompatSet.add(sig); 4696 } 4697 } 4698 /* 4699 * Make sure the expanded scanned set contains all signatures in the 4700 * existing one. 4701 */ 4702 if (scannedCompatSet.equals(existingSet)) { 4703 // Migrate the old signatures to the new scheme. 4704 existingSigs.assignSignatures(scannedPkg.mSignatures); 4705 // The new KeySets will be re-added later in the scanning process. 4706 synchronized (mPackages) { 4707 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4708 } 4709 return PackageManager.SIGNATURE_MATCH; 4710 } 4711 return PackageManager.SIGNATURE_NO_MATCH; 4712 } 4713 4714 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4715 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4716 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4717 } 4718 4719 private int compareSignaturesRecover(PackageSignatures existingSigs, 4720 PackageParser.Package scannedPkg) { 4721 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4722 return PackageManager.SIGNATURE_NO_MATCH; 4723 } 4724 4725 String msg = null; 4726 try { 4727 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4728 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4729 + scannedPkg.packageName); 4730 return PackageManager.SIGNATURE_MATCH; 4731 } 4732 } catch (CertificateException e) { 4733 msg = e.getMessage(); 4734 } 4735 4736 logCriticalInfo(Log.INFO, 4737 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4738 return PackageManager.SIGNATURE_NO_MATCH; 4739 } 4740 4741 @Override 4742 public List<String> getAllPackages() { 4743 synchronized (mPackages) { 4744 return new ArrayList<String>(mPackages.keySet()); 4745 } 4746 } 4747 4748 @Override 4749 public String[] getPackagesForUid(int uid) { 4750 uid = UserHandle.getAppId(uid); 4751 // reader 4752 synchronized (mPackages) { 4753 Object obj = mSettings.getUserIdLPr(uid); 4754 if (obj instanceof SharedUserSetting) { 4755 final SharedUserSetting sus = (SharedUserSetting) obj; 4756 final int N = sus.packages.size(); 4757 final String[] res = new String[N]; 4758 for (int i = 0; i < N; i++) { 4759 res[i] = sus.packages.valueAt(i).name; 4760 } 4761 return res; 4762 } else if (obj instanceof PackageSetting) { 4763 final PackageSetting ps = (PackageSetting) obj; 4764 return new String[] { ps.name }; 4765 } 4766 } 4767 return null; 4768 } 4769 4770 @Override 4771 public String getNameForUid(int uid) { 4772 // reader 4773 synchronized (mPackages) { 4774 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4775 if (obj instanceof SharedUserSetting) { 4776 final SharedUserSetting sus = (SharedUserSetting) obj; 4777 return sus.name + ":" + sus.userId; 4778 } else if (obj instanceof PackageSetting) { 4779 final PackageSetting ps = (PackageSetting) obj; 4780 return ps.name; 4781 } 4782 } 4783 return null; 4784 } 4785 4786 @Override 4787 public int getUidForSharedUser(String sharedUserName) { 4788 if(sharedUserName == null) { 4789 return -1; 4790 } 4791 // reader 4792 synchronized (mPackages) { 4793 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4794 if (suid == null) { 4795 return -1; 4796 } 4797 return suid.userId; 4798 } 4799 } 4800 4801 @Override 4802 public int getFlagsForUid(int uid) { 4803 synchronized (mPackages) { 4804 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4805 if (obj instanceof SharedUserSetting) { 4806 final SharedUserSetting sus = (SharedUserSetting) obj; 4807 return sus.pkgFlags; 4808 } else if (obj instanceof PackageSetting) { 4809 final PackageSetting ps = (PackageSetting) obj; 4810 return ps.pkgFlags; 4811 } 4812 } 4813 return 0; 4814 } 4815 4816 @Override 4817 public int getPrivateFlagsForUid(int uid) { 4818 synchronized (mPackages) { 4819 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4820 if (obj instanceof SharedUserSetting) { 4821 final SharedUserSetting sus = (SharedUserSetting) obj; 4822 return sus.pkgPrivateFlags; 4823 } else if (obj instanceof PackageSetting) { 4824 final PackageSetting ps = (PackageSetting) obj; 4825 return ps.pkgPrivateFlags; 4826 } 4827 } 4828 return 0; 4829 } 4830 4831 @Override 4832 public boolean isUidPrivileged(int uid) { 4833 uid = UserHandle.getAppId(uid); 4834 // reader 4835 synchronized (mPackages) { 4836 Object obj = mSettings.getUserIdLPr(uid); 4837 if (obj instanceof SharedUserSetting) { 4838 final SharedUserSetting sus = (SharedUserSetting) obj; 4839 final Iterator<PackageSetting> it = sus.packages.iterator(); 4840 while (it.hasNext()) { 4841 if (it.next().isPrivileged()) { 4842 return true; 4843 } 4844 } 4845 } else if (obj instanceof PackageSetting) { 4846 final PackageSetting ps = (PackageSetting) obj; 4847 return ps.isPrivileged(); 4848 } 4849 } 4850 return false; 4851 } 4852 4853 @Override 4854 public String[] getAppOpPermissionPackages(String permissionName) { 4855 synchronized (mPackages) { 4856 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4857 if (pkgs == null) { 4858 return null; 4859 } 4860 return pkgs.toArray(new String[pkgs.size()]); 4861 } 4862 } 4863 4864 @Override 4865 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4866 int flags, int userId) { 4867 try { 4868 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4869 4870 if (!sUserManager.exists(userId)) return null; 4871 flags = updateFlagsForResolve(flags, userId, intent); 4872 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4873 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4874 4875 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4876 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4877 flags, userId); 4878 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4879 4880 final ResolveInfo bestChoice = 4881 chooseBestActivity(intent, resolvedType, flags, query, userId); 4882 4883 if (isEphemeralAllowed(intent, query, userId)) { 4884 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4885 final EphemeralResolveInfo ai = 4886 getEphemeralResolveInfo(intent, resolvedType, userId); 4887 if (ai != null) { 4888 if (DEBUG_EPHEMERAL) { 4889 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4890 } 4891 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4892 bestChoice.ephemeralResolveInfo = ai; 4893 } 4894 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4895 } 4896 return bestChoice; 4897 } finally { 4898 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4899 } 4900 } 4901 4902 @Override 4903 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4904 IntentFilter filter, int match, ComponentName activity) { 4905 final int userId = UserHandle.getCallingUserId(); 4906 if (DEBUG_PREFERRED) { 4907 Log.v(TAG, "setLastChosenActivity intent=" + intent 4908 + " resolvedType=" + resolvedType 4909 + " flags=" + flags 4910 + " filter=" + filter 4911 + " match=" + match 4912 + " activity=" + activity); 4913 filter.dump(new PrintStreamPrinter(System.out), " "); 4914 } 4915 intent.setComponent(null); 4916 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4917 userId); 4918 // Find any earlier preferred or last chosen entries and nuke them 4919 findPreferredActivity(intent, resolvedType, 4920 flags, query, 0, false, true, false, userId); 4921 // Add the new activity as the last chosen for this filter 4922 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4923 "Setting last chosen"); 4924 } 4925 4926 @Override 4927 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4928 final int userId = UserHandle.getCallingUserId(); 4929 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4930 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4931 userId); 4932 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4933 false, false, false, userId); 4934 } 4935 4936 4937 private boolean isEphemeralAllowed( 4938 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4939 // Short circuit and return early if possible. 4940 if (DISABLE_EPHEMERAL_APPS) { 4941 return false; 4942 } 4943 final int callingUser = UserHandle.getCallingUserId(); 4944 if (callingUser != UserHandle.USER_SYSTEM) { 4945 return false; 4946 } 4947 if (mEphemeralResolverConnection == null) { 4948 return false; 4949 } 4950 if (intent.getComponent() != null) { 4951 return false; 4952 } 4953 if (intent.getPackage() != null) { 4954 return false; 4955 } 4956 final boolean isWebUri = hasWebURI(intent); 4957 if (!isWebUri) { 4958 return false; 4959 } 4960 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4961 synchronized (mPackages) { 4962 final int count = resolvedActivites.size(); 4963 for (int n = 0; n < count; n++) { 4964 ResolveInfo info = resolvedActivites.get(n); 4965 String packageName = info.activityInfo.packageName; 4966 PackageSetting ps = mSettings.mPackages.get(packageName); 4967 if (ps != null) { 4968 // Try to get the status from User settings first 4969 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4970 int status = (int) (packedStatus >> 32); 4971 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4972 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4973 if (DEBUG_EPHEMERAL) { 4974 Slog.v(TAG, "DENY ephemeral apps;" 4975 + " pkg: " + packageName + ", status: " + status); 4976 } 4977 return false; 4978 } 4979 } 4980 } 4981 } 4982 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4983 return true; 4984 } 4985 4986 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4987 int userId) { 4988 MessageDigest digest = null; 4989 try { 4990 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4991 } catch (NoSuchAlgorithmException e) { 4992 // If we can't create a digest, ignore ephemeral apps. 4993 return null; 4994 } 4995 4996 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4997 final byte[] digestBytes = digest.digest(hostBytes); 4998 int shaPrefix = 4999 digestBytes[0] << 24 5000 | digestBytes[1] << 16 5001 | digestBytes[2] << 8 5002 | digestBytes[3] << 0; 5003 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5004 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 5005 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5006 // No hash prefix match; there are no ephemeral apps for this domain. 5007 return null; 5008 } 5009 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 5010 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 5011 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 5012 continue; 5013 } 5014 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5015 // No filters; this should never happen. 5016 if (filters.isEmpty()) { 5017 continue; 5018 } 5019 // We have a domain match; resolve the filters to see if anything matches. 5020 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5021 for (int j = filters.size() - 1; j >= 0; --j) { 5022 final EphemeralResolveIntentInfo intentInfo = 5023 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5024 ephemeralResolver.addFilter(intentInfo); 5025 } 5026 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5027 intent, resolvedType, false /*defaultOnly*/, userId); 5028 if (!matchedResolveInfoList.isEmpty()) { 5029 return matchedResolveInfoList.get(0); 5030 } 5031 } 5032 // Hash or filter mis-match; no ephemeral apps for this domain. 5033 return null; 5034 } 5035 5036 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5037 int flags, List<ResolveInfo> query, int userId) { 5038 if (query != null) { 5039 final int N = query.size(); 5040 if (N == 1) { 5041 return query.get(0); 5042 } else if (N > 1) { 5043 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5044 // If there is more than one activity with the same priority, 5045 // then let the user decide between them. 5046 ResolveInfo r0 = query.get(0); 5047 ResolveInfo r1 = query.get(1); 5048 if (DEBUG_INTENT_MATCHING || debug) { 5049 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5050 + r1.activityInfo.name + "=" + r1.priority); 5051 } 5052 // If the first activity has a higher priority, or a different 5053 // default, then it is always desirable to pick it. 5054 if (r0.priority != r1.priority 5055 || r0.preferredOrder != r1.preferredOrder 5056 || r0.isDefault != r1.isDefault) { 5057 return query.get(0); 5058 } 5059 // If we have saved a preference for a preferred activity for 5060 // this Intent, use that. 5061 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5062 flags, query, r0.priority, true, false, debug, userId); 5063 if (ri != null) { 5064 return ri; 5065 } 5066 ri = new ResolveInfo(mResolveInfo); 5067 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5068 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5069 // If all of the options come from the same package, show the application's 5070 // label and icon instead of the generic resolver's. 5071 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5072 // and then throw away the ResolveInfo itself, meaning that the caller loses 5073 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5074 // a fallback for this case; we only set the target package's resources on 5075 // the ResolveInfo, not the ActivityInfo. 5076 final String intentPackage = intent.getPackage(); 5077 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5078 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5079 ri.resolvePackageName = intentPackage; 5080 if (userNeedsBadging(userId)) { 5081 ri.noResourceId = true; 5082 } else { 5083 ri.icon = appi.icon; 5084 } 5085 ri.iconResourceId = appi.icon; 5086 ri.labelRes = appi.labelRes; 5087 } 5088 ri.activityInfo.applicationInfo = new ApplicationInfo( 5089 ri.activityInfo.applicationInfo); 5090 if (userId != 0) { 5091 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5092 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5093 } 5094 // Make sure that the resolver is displayable in car mode 5095 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5096 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5097 return ri; 5098 } 5099 } 5100 return null; 5101 } 5102 5103 /** 5104 * Return true if the given list is not empty and all of its contents have 5105 * an activityInfo with the given package name. 5106 */ 5107 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5108 if (ArrayUtils.isEmpty(list)) { 5109 return false; 5110 } 5111 for (int i = 0, N = list.size(); i < N; i++) { 5112 final ResolveInfo ri = list.get(i); 5113 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5114 if (ai == null || !packageName.equals(ai.packageName)) { 5115 return false; 5116 } 5117 } 5118 return true; 5119 } 5120 5121 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5122 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5123 final int N = query.size(); 5124 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5125 .get(userId); 5126 // Get the list of persistent preferred activities that handle the intent 5127 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5128 List<PersistentPreferredActivity> pprefs = ppir != null 5129 ? ppir.queryIntent(intent, resolvedType, 5130 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5131 : null; 5132 if (pprefs != null && pprefs.size() > 0) { 5133 final int M = pprefs.size(); 5134 for (int i=0; i<M; i++) { 5135 final PersistentPreferredActivity ppa = pprefs.get(i); 5136 if (DEBUG_PREFERRED || debug) { 5137 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5138 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5139 + "\n component=" + ppa.mComponent); 5140 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5141 } 5142 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5143 flags | MATCH_DISABLED_COMPONENTS, userId); 5144 if (DEBUG_PREFERRED || debug) { 5145 Slog.v(TAG, "Found persistent preferred activity:"); 5146 if (ai != null) { 5147 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5148 } else { 5149 Slog.v(TAG, " null"); 5150 } 5151 } 5152 if (ai == null) { 5153 // This previously registered persistent preferred activity 5154 // component is no longer known. Ignore it and do NOT remove it. 5155 continue; 5156 } 5157 for (int j=0; j<N; j++) { 5158 final ResolveInfo ri = query.get(j); 5159 if (!ri.activityInfo.applicationInfo.packageName 5160 .equals(ai.applicationInfo.packageName)) { 5161 continue; 5162 } 5163 if (!ri.activityInfo.name.equals(ai.name)) { 5164 continue; 5165 } 5166 // Found a persistent preference that can handle the intent. 5167 if (DEBUG_PREFERRED || debug) { 5168 Slog.v(TAG, "Returning persistent preferred activity: " + 5169 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5170 } 5171 return ri; 5172 } 5173 } 5174 } 5175 return null; 5176 } 5177 5178 // TODO: handle preferred activities missing while user has amnesia 5179 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5180 List<ResolveInfo> query, int priority, boolean always, 5181 boolean removeMatches, boolean debug, int userId) { 5182 if (!sUserManager.exists(userId)) return null; 5183 flags = updateFlagsForResolve(flags, userId, intent); 5184 // writer 5185 synchronized (mPackages) { 5186 if (intent.getSelector() != null) { 5187 intent = intent.getSelector(); 5188 } 5189 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5190 5191 // Try to find a matching persistent preferred activity. 5192 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5193 debug, userId); 5194 5195 // If a persistent preferred activity matched, use it. 5196 if (pri != null) { 5197 return pri; 5198 } 5199 5200 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5201 // Get the list of preferred activities that handle the intent 5202 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5203 List<PreferredActivity> prefs = pir != null 5204 ? pir.queryIntent(intent, resolvedType, 5205 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5206 : null; 5207 if (prefs != null && prefs.size() > 0) { 5208 boolean changed = false; 5209 try { 5210 // First figure out how good the original match set is. 5211 // We will only allow preferred activities that came 5212 // from the same match quality. 5213 int match = 0; 5214 5215 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5216 5217 final int N = query.size(); 5218 for (int j=0; j<N; j++) { 5219 final ResolveInfo ri = query.get(j); 5220 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5221 + ": 0x" + Integer.toHexString(match)); 5222 if (ri.match > match) { 5223 match = ri.match; 5224 } 5225 } 5226 5227 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5228 + Integer.toHexString(match)); 5229 5230 match &= IntentFilter.MATCH_CATEGORY_MASK; 5231 final int M = prefs.size(); 5232 for (int i=0; i<M; i++) { 5233 final PreferredActivity pa = prefs.get(i); 5234 if (DEBUG_PREFERRED || debug) { 5235 Slog.v(TAG, "Checking PreferredActivity ds=" 5236 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5237 + "\n component=" + pa.mPref.mComponent); 5238 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5239 } 5240 if (pa.mPref.mMatch != match) { 5241 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5242 + Integer.toHexString(pa.mPref.mMatch)); 5243 continue; 5244 } 5245 // If it's not an "always" type preferred activity and that's what we're 5246 // looking for, skip it. 5247 if (always && !pa.mPref.mAlways) { 5248 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5249 continue; 5250 } 5251 final ActivityInfo ai = getActivityInfo( 5252 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5253 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5254 userId); 5255 if (DEBUG_PREFERRED || debug) { 5256 Slog.v(TAG, "Found preferred activity:"); 5257 if (ai != null) { 5258 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5259 } else { 5260 Slog.v(TAG, " null"); 5261 } 5262 } 5263 if (ai == null) { 5264 // This previously registered preferred activity 5265 // component is no longer known. Most likely an update 5266 // to the app was installed and in the new version this 5267 // component no longer exists. Clean it up by removing 5268 // it from the preferred activities list, and skip it. 5269 Slog.w(TAG, "Removing dangling preferred activity: " 5270 + pa.mPref.mComponent); 5271 pir.removeFilter(pa); 5272 changed = true; 5273 continue; 5274 } 5275 for (int j=0; j<N; j++) { 5276 final ResolveInfo ri = query.get(j); 5277 if (!ri.activityInfo.applicationInfo.packageName 5278 .equals(ai.applicationInfo.packageName)) { 5279 continue; 5280 } 5281 if (!ri.activityInfo.name.equals(ai.name)) { 5282 continue; 5283 } 5284 5285 if (removeMatches) { 5286 pir.removeFilter(pa); 5287 changed = true; 5288 if (DEBUG_PREFERRED) { 5289 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5290 } 5291 break; 5292 } 5293 5294 // Okay we found a previously set preferred or last chosen app. 5295 // If the result set is different from when this 5296 // was created, we need to clear it and re-ask the 5297 // user their preference, if we're looking for an "always" type entry. 5298 if (always && !pa.mPref.sameSet(query)) { 5299 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5300 + intent + " type " + resolvedType); 5301 if (DEBUG_PREFERRED) { 5302 Slog.v(TAG, "Removing preferred activity since set changed " 5303 + pa.mPref.mComponent); 5304 } 5305 pir.removeFilter(pa); 5306 // Re-add the filter as a "last chosen" entry (!always) 5307 PreferredActivity lastChosen = new PreferredActivity( 5308 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5309 pir.addFilter(lastChosen); 5310 changed = true; 5311 return null; 5312 } 5313 5314 // Yay! Either the set matched or we're looking for the last chosen 5315 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5316 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5317 return ri; 5318 } 5319 } 5320 } finally { 5321 if (changed) { 5322 if (DEBUG_PREFERRED) { 5323 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5324 } 5325 scheduleWritePackageRestrictionsLocked(userId); 5326 } 5327 } 5328 } 5329 } 5330 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5331 return null; 5332 } 5333 5334 /* 5335 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5336 */ 5337 @Override 5338 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5339 int targetUserId) { 5340 mContext.enforceCallingOrSelfPermission( 5341 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5342 List<CrossProfileIntentFilter> matches = 5343 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5344 if (matches != null) { 5345 int size = matches.size(); 5346 for (int i = 0; i < size; i++) { 5347 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5348 } 5349 } 5350 if (hasWebURI(intent)) { 5351 // cross-profile app linking works only towards the parent. 5352 final UserInfo parent = getProfileParent(sourceUserId); 5353 synchronized(mPackages) { 5354 int flags = updateFlagsForResolve(0, parent.id, intent); 5355 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5356 intent, resolvedType, flags, sourceUserId, parent.id); 5357 return xpDomainInfo != null; 5358 } 5359 } 5360 return false; 5361 } 5362 5363 private UserInfo getProfileParent(int userId) { 5364 final long identity = Binder.clearCallingIdentity(); 5365 try { 5366 return sUserManager.getProfileParent(userId); 5367 } finally { 5368 Binder.restoreCallingIdentity(identity); 5369 } 5370 } 5371 5372 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5373 String resolvedType, int userId) { 5374 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5375 if (resolver != null) { 5376 return resolver.queryIntent(intent, resolvedType, false, userId); 5377 } 5378 return null; 5379 } 5380 5381 @Override 5382 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5383 String resolvedType, int flags, int userId) { 5384 try { 5385 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5386 5387 return new ParceledListSlice<>( 5388 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5389 } finally { 5390 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5391 } 5392 } 5393 5394 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5395 String resolvedType, int flags, int userId) { 5396 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5397 flags = updateFlagsForResolve(flags, userId, intent); 5398 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5399 false /* requireFullPermission */, false /* checkShell */, 5400 "query intent activities"); 5401 ComponentName comp = intent.getComponent(); 5402 if (comp == null) { 5403 if (intent.getSelector() != null) { 5404 intent = intent.getSelector(); 5405 comp = intent.getComponent(); 5406 } 5407 } 5408 5409 if (comp != null) { 5410 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5411 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5412 if (ai != null) { 5413 final ResolveInfo ri = new ResolveInfo(); 5414 ri.activityInfo = ai; 5415 list.add(ri); 5416 } 5417 return list; 5418 } 5419 5420 // reader 5421 synchronized (mPackages) { 5422 final String pkgName = intent.getPackage(); 5423 if (pkgName == null) { 5424 List<CrossProfileIntentFilter> matchingFilters = 5425 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5426 // Check for results that need to skip the current profile. 5427 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5428 resolvedType, flags, userId); 5429 if (xpResolveInfo != null) { 5430 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5431 result.add(xpResolveInfo); 5432 return filterIfNotSystemUser(result, userId); 5433 } 5434 5435 // Check for results in the current profile. 5436 List<ResolveInfo> result = mActivities.queryIntent( 5437 intent, resolvedType, flags, userId); 5438 result = filterIfNotSystemUser(result, userId); 5439 5440 // Check for cross profile results. 5441 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5442 xpResolveInfo = queryCrossProfileIntents( 5443 matchingFilters, intent, resolvedType, flags, userId, 5444 hasNonNegativePriorityResult); 5445 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5446 boolean isVisibleToUser = filterIfNotSystemUser( 5447 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5448 if (isVisibleToUser) { 5449 result.add(xpResolveInfo); 5450 Collections.sort(result, mResolvePrioritySorter); 5451 } 5452 } 5453 if (hasWebURI(intent)) { 5454 CrossProfileDomainInfo xpDomainInfo = null; 5455 final UserInfo parent = getProfileParent(userId); 5456 if (parent != null) { 5457 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5458 flags, userId, parent.id); 5459 } 5460 if (xpDomainInfo != null) { 5461 if (xpResolveInfo != null) { 5462 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5463 // in the result. 5464 result.remove(xpResolveInfo); 5465 } 5466 if (result.size() == 0) { 5467 result.add(xpDomainInfo.resolveInfo); 5468 return result; 5469 } 5470 } else if (result.size() <= 1) { 5471 return result; 5472 } 5473 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5474 xpDomainInfo, userId); 5475 Collections.sort(result, mResolvePrioritySorter); 5476 } 5477 return result; 5478 } 5479 final PackageParser.Package pkg = mPackages.get(pkgName); 5480 if (pkg != null) { 5481 return filterIfNotSystemUser( 5482 mActivities.queryIntentForPackage( 5483 intent, resolvedType, flags, pkg.activities, userId), 5484 userId); 5485 } 5486 return new ArrayList<ResolveInfo>(); 5487 } 5488 } 5489 5490 private static class CrossProfileDomainInfo { 5491 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5492 ResolveInfo resolveInfo; 5493 /* Best domain verification status of the activities found in the other profile */ 5494 int bestDomainVerificationStatus; 5495 } 5496 5497 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5498 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5499 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5500 sourceUserId)) { 5501 return null; 5502 } 5503 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5504 resolvedType, flags, parentUserId); 5505 5506 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5507 return null; 5508 } 5509 CrossProfileDomainInfo result = null; 5510 int size = resultTargetUser.size(); 5511 for (int i = 0; i < size; i++) { 5512 ResolveInfo riTargetUser = resultTargetUser.get(i); 5513 // Intent filter verification is only for filters that specify a host. So don't return 5514 // those that handle all web uris. 5515 if (riTargetUser.handleAllWebDataURI) { 5516 continue; 5517 } 5518 String packageName = riTargetUser.activityInfo.packageName; 5519 PackageSetting ps = mSettings.mPackages.get(packageName); 5520 if (ps == null) { 5521 continue; 5522 } 5523 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5524 int status = (int)(verificationState >> 32); 5525 if (result == null) { 5526 result = new CrossProfileDomainInfo(); 5527 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5528 sourceUserId, parentUserId); 5529 result.bestDomainVerificationStatus = status; 5530 } else { 5531 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5532 result.bestDomainVerificationStatus); 5533 } 5534 } 5535 // Don't consider matches with status NEVER across profiles. 5536 if (result != null && result.bestDomainVerificationStatus 5537 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5538 return null; 5539 } 5540 return result; 5541 } 5542 5543 /** 5544 * Verification statuses are ordered from the worse to the best, except for 5545 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5546 */ 5547 private int bestDomainVerificationStatus(int status1, int status2) { 5548 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5549 return status2; 5550 } 5551 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5552 return status1; 5553 } 5554 return (int) MathUtils.max(status1, status2); 5555 } 5556 5557 private boolean isUserEnabled(int userId) { 5558 long callingId = Binder.clearCallingIdentity(); 5559 try { 5560 UserInfo userInfo = sUserManager.getUserInfo(userId); 5561 return userInfo != null && userInfo.isEnabled(); 5562 } finally { 5563 Binder.restoreCallingIdentity(callingId); 5564 } 5565 } 5566 5567 /** 5568 * Filter out activities with systemUserOnly flag set, when current user is not System. 5569 * 5570 * @return filtered list 5571 */ 5572 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5573 if (userId == UserHandle.USER_SYSTEM) { 5574 return resolveInfos; 5575 } 5576 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5577 ResolveInfo info = resolveInfos.get(i); 5578 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5579 resolveInfos.remove(i); 5580 } 5581 } 5582 return resolveInfos; 5583 } 5584 5585 /** 5586 * @param resolveInfos list of resolve infos in descending priority order 5587 * @return if the list contains a resolve info with non-negative priority 5588 */ 5589 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5590 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5591 } 5592 5593 private static boolean hasWebURI(Intent intent) { 5594 if (intent.getData() == null) { 5595 return false; 5596 } 5597 final String scheme = intent.getScheme(); 5598 if (TextUtils.isEmpty(scheme)) { 5599 return false; 5600 } 5601 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5602 } 5603 5604 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5605 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5606 int userId) { 5607 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5608 5609 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5610 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5611 candidates.size()); 5612 } 5613 5614 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5615 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5616 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5617 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5618 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5619 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5620 5621 synchronized (mPackages) { 5622 final int count = candidates.size(); 5623 // First, try to use linked apps. Partition the candidates into four lists: 5624 // one for the final results, one for the "do not use ever", one for "undefined status" 5625 // and finally one for "browser app type". 5626 for (int n=0; n<count; n++) { 5627 ResolveInfo info = candidates.get(n); 5628 String packageName = info.activityInfo.packageName; 5629 PackageSetting ps = mSettings.mPackages.get(packageName); 5630 if (ps != null) { 5631 // Add to the special match all list (Browser use case) 5632 if (info.handleAllWebDataURI) { 5633 matchAllList.add(info); 5634 continue; 5635 } 5636 // Try to get the status from User settings first 5637 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5638 int status = (int)(packedStatus >> 32); 5639 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5640 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5641 if (DEBUG_DOMAIN_VERIFICATION) { 5642 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5643 + " : linkgen=" + linkGeneration); 5644 } 5645 // Use link-enabled generation as preferredOrder, i.e. 5646 // prefer newly-enabled over earlier-enabled. 5647 info.preferredOrder = linkGeneration; 5648 alwaysList.add(info); 5649 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5650 if (DEBUG_DOMAIN_VERIFICATION) { 5651 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5652 } 5653 neverList.add(info); 5654 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5655 if (DEBUG_DOMAIN_VERIFICATION) { 5656 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5657 } 5658 alwaysAskList.add(info); 5659 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5660 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5661 if (DEBUG_DOMAIN_VERIFICATION) { 5662 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5663 } 5664 undefinedList.add(info); 5665 } 5666 } 5667 } 5668 5669 // We'll want to include browser possibilities in a few cases 5670 boolean includeBrowser = false; 5671 5672 // First try to add the "always" resolution(s) for the current user, if any 5673 if (alwaysList.size() > 0) { 5674 result.addAll(alwaysList); 5675 } else { 5676 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5677 result.addAll(undefinedList); 5678 // Maybe add one for the other profile. 5679 if (xpDomainInfo != null && ( 5680 xpDomainInfo.bestDomainVerificationStatus 5681 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5682 result.add(xpDomainInfo.resolveInfo); 5683 } 5684 includeBrowser = true; 5685 } 5686 5687 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5688 // If there were 'always' entries their preferred order has been set, so we also 5689 // back that off to make the alternatives equivalent 5690 if (alwaysAskList.size() > 0) { 5691 for (ResolveInfo i : result) { 5692 i.preferredOrder = 0; 5693 } 5694 result.addAll(alwaysAskList); 5695 includeBrowser = true; 5696 } 5697 5698 if (includeBrowser) { 5699 // Also add browsers (all of them or only the default one) 5700 if (DEBUG_DOMAIN_VERIFICATION) { 5701 Slog.v(TAG, " ...including browsers in candidate set"); 5702 } 5703 if ((matchFlags & MATCH_ALL) != 0) { 5704 result.addAll(matchAllList); 5705 } else { 5706 // Browser/generic handling case. If there's a default browser, go straight 5707 // to that (but only if there is no other higher-priority match). 5708 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5709 int maxMatchPrio = 0; 5710 ResolveInfo defaultBrowserMatch = null; 5711 final int numCandidates = matchAllList.size(); 5712 for (int n = 0; n < numCandidates; n++) { 5713 ResolveInfo info = matchAllList.get(n); 5714 // track the highest overall match priority... 5715 if (info.priority > maxMatchPrio) { 5716 maxMatchPrio = info.priority; 5717 } 5718 // ...and the highest-priority default browser match 5719 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5720 if (defaultBrowserMatch == null 5721 || (defaultBrowserMatch.priority < info.priority)) { 5722 if (debug) { 5723 Slog.v(TAG, "Considering default browser match " + info); 5724 } 5725 defaultBrowserMatch = info; 5726 } 5727 } 5728 } 5729 if (defaultBrowserMatch != null 5730 && defaultBrowserMatch.priority >= maxMatchPrio 5731 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5732 { 5733 if (debug) { 5734 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5735 } 5736 result.add(defaultBrowserMatch); 5737 } else { 5738 result.addAll(matchAllList); 5739 } 5740 } 5741 5742 // If there is nothing selected, add all candidates and remove the ones that the user 5743 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5744 if (result.size() == 0) { 5745 result.addAll(candidates); 5746 result.removeAll(neverList); 5747 } 5748 } 5749 } 5750 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5751 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5752 result.size()); 5753 for (ResolveInfo info : result) { 5754 Slog.v(TAG, " + " + info.activityInfo); 5755 } 5756 } 5757 return result; 5758 } 5759 5760 // Returns a packed value as a long: 5761 // 5762 // high 'int'-sized word: link status: undefined/ask/never/always. 5763 // low 'int'-sized word: relative priority among 'always' results. 5764 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5765 long result = ps.getDomainVerificationStatusForUser(userId); 5766 // if none available, get the master status 5767 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5768 if (ps.getIntentFilterVerificationInfo() != null) { 5769 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5770 } 5771 } 5772 return result; 5773 } 5774 5775 private ResolveInfo querySkipCurrentProfileIntents( 5776 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5777 int flags, int sourceUserId) { 5778 if (matchingFilters != null) { 5779 int size = matchingFilters.size(); 5780 for (int i = 0; i < size; i ++) { 5781 CrossProfileIntentFilter filter = matchingFilters.get(i); 5782 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5783 // Checking if there are activities in the target user that can handle the 5784 // intent. 5785 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5786 resolvedType, flags, sourceUserId); 5787 if (resolveInfo != null) { 5788 return resolveInfo; 5789 } 5790 } 5791 } 5792 } 5793 return null; 5794 } 5795 5796 // Return matching ResolveInfo in target user if any. 5797 private ResolveInfo queryCrossProfileIntents( 5798 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5799 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5800 if (matchingFilters != null) { 5801 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5802 // match the same intent. For performance reasons, it is better not to 5803 // run queryIntent twice for the same userId 5804 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5805 int size = matchingFilters.size(); 5806 for (int i = 0; i < size; i++) { 5807 CrossProfileIntentFilter filter = matchingFilters.get(i); 5808 int targetUserId = filter.getTargetUserId(); 5809 boolean skipCurrentProfile = 5810 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5811 boolean skipCurrentProfileIfNoMatchFound = 5812 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5813 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5814 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5815 // Checking if there are activities in the target user that can handle the 5816 // intent. 5817 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5818 resolvedType, flags, sourceUserId); 5819 if (resolveInfo != null) return resolveInfo; 5820 alreadyTriedUserIds.put(targetUserId, true); 5821 } 5822 } 5823 } 5824 return null; 5825 } 5826 5827 /** 5828 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5829 * will forward the intent to the filter's target user. 5830 * Otherwise, returns null. 5831 */ 5832 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5833 String resolvedType, int flags, int sourceUserId) { 5834 int targetUserId = filter.getTargetUserId(); 5835 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5836 resolvedType, flags, targetUserId); 5837 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5838 // If all the matches in the target profile are suspended, return null. 5839 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5840 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5841 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5842 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5843 targetUserId); 5844 } 5845 } 5846 } 5847 return null; 5848 } 5849 5850 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5851 int sourceUserId, int targetUserId) { 5852 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5853 long ident = Binder.clearCallingIdentity(); 5854 boolean targetIsProfile; 5855 try { 5856 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5857 } finally { 5858 Binder.restoreCallingIdentity(ident); 5859 } 5860 String className; 5861 if (targetIsProfile) { 5862 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5863 } else { 5864 className = FORWARD_INTENT_TO_PARENT; 5865 } 5866 ComponentName forwardingActivityComponentName = new ComponentName( 5867 mAndroidApplication.packageName, className); 5868 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5869 sourceUserId); 5870 if (!targetIsProfile) { 5871 forwardingActivityInfo.showUserIcon = targetUserId; 5872 forwardingResolveInfo.noResourceId = true; 5873 } 5874 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5875 forwardingResolveInfo.priority = 0; 5876 forwardingResolveInfo.preferredOrder = 0; 5877 forwardingResolveInfo.match = 0; 5878 forwardingResolveInfo.isDefault = true; 5879 forwardingResolveInfo.filter = filter; 5880 forwardingResolveInfo.targetUserId = targetUserId; 5881 return forwardingResolveInfo; 5882 } 5883 5884 @Override 5885 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5886 Intent[] specifics, String[] specificTypes, Intent intent, 5887 String resolvedType, int flags, int userId) { 5888 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5889 specificTypes, intent, resolvedType, flags, userId)); 5890 } 5891 5892 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5893 Intent[] specifics, String[] specificTypes, Intent intent, 5894 String resolvedType, int flags, int userId) { 5895 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5896 flags = updateFlagsForResolve(flags, userId, intent); 5897 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5898 false /* requireFullPermission */, false /* checkShell */, 5899 "query intent activity options"); 5900 final String resultsAction = intent.getAction(); 5901 5902 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5903 | PackageManager.GET_RESOLVED_FILTER, userId); 5904 5905 if (DEBUG_INTENT_MATCHING) { 5906 Log.v(TAG, "Query " + intent + ": " + results); 5907 } 5908 5909 int specificsPos = 0; 5910 int N; 5911 5912 // todo: note that the algorithm used here is O(N^2). This 5913 // isn't a problem in our current environment, but if we start running 5914 // into situations where we have more than 5 or 10 matches then this 5915 // should probably be changed to something smarter... 5916 5917 // First we go through and resolve each of the specific items 5918 // that were supplied, taking care of removing any corresponding 5919 // duplicate items in the generic resolve list. 5920 if (specifics != null) { 5921 for (int i=0; i<specifics.length; i++) { 5922 final Intent sintent = specifics[i]; 5923 if (sintent == null) { 5924 continue; 5925 } 5926 5927 if (DEBUG_INTENT_MATCHING) { 5928 Log.v(TAG, "Specific #" + i + ": " + sintent); 5929 } 5930 5931 String action = sintent.getAction(); 5932 if (resultsAction != null && resultsAction.equals(action)) { 5933 // If this action was explicitly requested, then don't 5934 // remove things that have it. 5935 action = null; 5936 } 5937 5938 ResolveInfo ri = null; 5939 ActivityInfo ai = null; 5940 5941 ComponentName comp = sintent.getComponent(); 5942 if (comp == null) { 5943 ri = resolveIntent( 5944 sintent, 5945 specificTypes != null ? specificTypes[i] : null, 5946 flags, userId); 5947 if (ri == null) { 5948 continue; 5949 } 5950 if (ri == mResolveInfo) { 5951 // ACK! Must do something better with this. 5952 } 5953 ai = ri.activityInfo; 5954 comp = new ComponentName(ai.applicationInfo.packageName, 5955 ai.name); 5956 } else { 5957 ai = getActivityInfo(comp, flags, userId); 5958 if (ai == null) { 5959 continue; 5960 } 5961 } 5962 5963 // Look for any generic query activities that are duplicates 5964 // of this specific one, and remove them from the results. 5965 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5966 N = results.size(); 5967 int j; 5968 for (j=specificsPos; j<N; j++) { 5969 ResolveInfo sri = results.get(j); 5970 if ((sri.activityInfo.name.equals(comp.getClassName()) 5971 && sri.activityInfo.applicationInfo.packageName.equals( 5972 comp.getPackageName())) 5973 || (action != null && sri.filter.matchAction(action))) { 5974 results.remove(j); 5975 if (DEBUG_INTENT_MATCHING) Log.v( 5976 TAG, "Removing duplicate item from " + j 5977 + " due to specific " + specificsPos); 5978 if (ri == null) { 5979 ri = sri; 5980 } 5981 j--; 5982 N--; 5983 } 5984 } 5985 5986 // Add this specific item to its proper place. 5987 if (ri == null) { 5988 ri = new ResolveInfo(); 5989 ri.activityInfo = ai; 5990 } 5991 results.add(specificsPos, ri); 5992 ri.specificIndex = i; 5993 specificsPos++; 5994 } 5995 } 5996 5997 // Now we go through the remaining generic results and remove any 5998 // duplicate actions that are found here. 5999 N = results.size(); 6000 for (int i=specificsPos; i<N-1; i++) { 6001 final ResolveInfo rii = results.get(i); 6002 if (rii.filter == null) { 6003 continue; 6004 } 6005 6006 // Iterate over all of the actions of this result's intent 6007 // filter... typically this should be just one. 6008 final Iterator<String> it = rii.filter.actionsIterator(); 6009 if (it == null) { 6010 continue; 6011 } 6012 while (it.hasNext()) { 6013 final String action = it.next(); 6014 if (resultsAction != null && resultsAction.equals(action)) { 6015 // If this action was explicitly requested, then don't 6016 // remove things that have it. 6017 continue; 6018 } 6019 for (int j=i+1; j<N; j++) { 6020 final ResolveInfo rij = results.get(j); 6021 if (rij.filter != null && rij.filter.hasAction(action)) { 6022 results.remove(j); 6023 if (DEBUG_INTENT_MATCHING) Log.v( 6024 TAG, "Removing duplicate item from " + j 6025 + " due to action " + action + " at " + i); 6026 j--; 6027 N--; 6028 } 6029 } 6030 } 6031 6032 // If the caller didn't request filter information, drop it now 6033 // so we don't have to marshall/unmarshall it. 6034 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6035 rii.filter = null; 6036 } 6037 } 6038 6039 // Filter out the caller activity if so requested. 6040 if (caller != null) { 6041 N = results.size(); 6042 for (int i=0; i<N; i++) { 6043 ActivityInfo ainfo = results.get(i).activityInfo; 6044 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6045 && caller.getClassName().equals(ainfo.name)) { 6046 results.remove(i); 6047 break; 6048 } 6049 } 6050 } 6051 6052 // If the caller didn't request filter information, 6053 // drop them now so we don't have to 6054 // marshall/unmarshall it. 6055 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6056 N = results.size(); 6057 for (int i=0; i<N; i++) { 6058 results.get(i).filter = null; 6059 } 6060 } 6061 6062 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6063 return results; 6064 } 6065 6066 @Override 6067 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6068 String resolvedType, int flags, int userId) { 6069 return new ParceledListSlice<>( 6070 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6071 } 6072 6073 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6074 String resolvedType, int flags, int userId) { 6075 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6076 flags = updateFlagsForResolve(flags, userId, intent); 6077 ComponentName comp = intent.getComponent(); 6078 if (comp == null) { 6079 if (intent.getSelector() != null) { 6080 intent = intent.getSelector(); 6081 comp = intent.getComponent(); 6082 } 6083 } 6084 if (comp != null) { 6085 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6086 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6087 if (ai != null) { 6088 ResolveInfo ri = new ResolveInfo(); 6089 ri.activityInfo = ai; 6090 list.add(ri); 6091 } 6092 return list; 6093 } 6094 6095 // reader 6096 synchronized (mPackages) { 6097 String pkgName = intent.getPackage(); 6098 if (pkgName == null) { 6099 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6100 } 6101 final PackageParser.Package pkg = mPackages.get(pkgName); 6102 if (pkg != null) { 6103 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6104 userId); 6105 } 6106 return Collections.emptyList(); 6107 } 6108 } 6109 6110 @Override 6111 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6112 if (!sUserManager.exists(userId)) return null; 6113 flags = updateFlagsForResolve(flags, userId, intent); 6114 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6115 if (query != null) { 6116 if (query.size() >= 1) { 6117 // If there is more than one service with the same priority, 6118 // just arbitrarily pick the first one. 6119 return query.get(0); 6120 } 6121 } 6122 return null; 6123 } 6124 6125 @Override 6126 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6127 String resolvedType, int flags, int userId) { 6128 return new ParceledListSlice<>( 6129 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6130 } 6131 6132 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6133 String resolvedType, int flags, int userId) { 6134 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6135 flags = updateFlagsForResolve(flags, userId, intent); 6136 ComponentName comp = intent.getComponent(); 6137 if (comp == null) { 6138 if (intent.getSelector() != null) { 6139 intent = intent.getSelector(); 6140 comp = intent.getComponent(); 6141 } 6142 } 6143 if (comp != null) { 6144 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6145 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6146 if (si != null) { 6147 final ResolveInfo ri = new ResolveInfo(); 6148 ri.serviceInfo = si; 6149 list.add(ri); 6150 } 6151 return list; 6152 } 6153 6154 // reader 6155 synchronized (mPackages) { 6156 String pkgName = intent.getPackage(); 6157 if (pkgName == null) { 6158 return mServices.queryIntent(intent, resolvedType, flags, userId); 6159 } 6160 final PackageParser.Package pkg = mPackages.get(pkgName); 6161 if (pkg != null) { 6162 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6163 userId); 6164 } 6165 return Collections.emptyList(); 6166 } 6167 } 6168 6169 @Override 6170 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6171 String resolvedType, int flags, int userId) { 6172 return new ParceledListSlice<>( 6173 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6174 } 6175 6176 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6177 Intent intent, String resolvedType, int flags, int userId) { 6178 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6179 flags = updateFlagsForResolve(flags, userId, intent); 6180 ComponentName comp = intent.getComponent(); 6181 if (comp == null) { 6182 if (intent.getSelector() != null) { 6183 intent = intent.getSelector(); 6184 comp = intent.getComponent(); 6185 } 6186 } 6187 if (comp != null) { 6188 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6189 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6190 if (pi != null) { 6191 final ResolveInfo ri = new ResolveInfo(); 6192 ri.providerInfo = pi; 6193 list.add(ri); 6194 } 6195 return list; 6196 } 6197 6198 // reader 6199 synchronized (mPackages) { 6200 String pkgName = intent.getPackage(); 6201 if (pkgName == null) { 6202 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6203 } 6204 final PackageParser.Package pkg = mPackages.get(pkgName); 6205 if (pkg != null) { 6206 return mProviders.queryIntentForPackage( 6207 intent, resolvedType, flags, pkg.providers, userId); 6208 } 6209 return Collections.emptyList(); 6210 } 6211 } 6212 6213 @Override 6214 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6215 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6216 flags = updateFlagsForPackage(flags, userId, null); 6217 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6218 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6219 true /* requireFullPermission */, false /* checkShell */, 6220 "get installed packages"); 6221 6222 // writer 6223 synchronized (mPackages) { 6224 ArrayList<PackageInfo> list; 6225 if (listUninstalled) { 6226 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6227 for (PackageSetting ps : mSettings.mPackages.values()) { 6228 final PackageInfo pi; 6229 if (ps.pkg != null) { 6230 pi = generatePackageInfo(ps, flags, userId); 6231 } else { 6232 pi = generatePackageInfo(ps, flags, userId); 6233 } 6234 if (pi != null) { 6235 list.add(pi); 6236 } 6237 } 6238 } else { 6239 list = new ArrayList<PackageInfo>(mPackages.size()); 6240 for (PackageParser.Package p : mPackages.values()) { 6241 final PackageInfo pi = 6242 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6243 if (pi != null) { 6244 list.add(pi); 6245 } 6246 } 6247 } 6248 6249 return new ParceledListSlice<PackageInfo>(list); 6250 } 6251 } 6252 6253 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6254 String[] permissions, boolean[] tmp, int flags, int userId) { 6255 int numMatch = 0; 6256 final PermissionsState permissionsState = ps.getPermissionsState(); 6257 for (int i=0; i<permissions.length; i++) { 6258 final String permission = permissions[i]; 6259 if (permissionsState.hasPermission(permission, userId)) { 6260 tmp[i] = true; 6261 numMatch++; 6262 } else { 6263 tmp[i] = false; 6264 } 6265 } 6266 if (numMatch == 0) { 6267 return; 6268 } 6269 final PackageInfo pi; 6270 if (ps.pkg != null) { 6271 pi = generatePackageInfo(ps, flags, userId); 6272 } else { 6273 pi = generatePackageInfo(ps, flags, userId); 6274 } 6275 // The above might return null in cases of uninstalled apps or install-state 6276 // skew across users/profiles. 6277 if (pi != null) { 6278 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6279 if (numMatch == permissions.length) { 6280 pi.requestedPermissions = permissions; 6281 } else { 6282 pi.requestedPermissions = new String[numMatch]; 6283 numMatch = 0; 6284 for (int i=0; i<permissions.length; i++) { 6285 if (tmp[i]) { 6286 pi.requestedPermissions[numMatch] = permissions[i]; 6287 numMatch++; 6288 } 6289 } 6290 } 6291 } 6292 list.add(pi); 6293 } 6294 } 6295 6296 @Override 6297 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6298 String[] permissions, int flags, int userId) { 6299 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6300 flags = updateFlagsForPackage(flags, userId, permissions); 6301 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6302 6303 // writer 6304 synchronized (mPackages) { 6305 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6306 boolean[] tmpBools = new boolean[permissions.length]; 6307 if (listUninstalled) { 6308 for (PackageSetting ps : mSettings.mPackages.values()) { 6309 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6310 } 6311 } else { 6312 for (PackageParser.Package pkg : mPackages.values()) { 6313 PackageSetting ps = (PackageSetting)pkg.mExtras; 6314 if (ps != null) { 6315 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6316 userId); 6317 } 6318 } 6319 } 6320 6321 return new ParceledListSlice<PackageInfo>(list); 6322 } 6323 } 6324 6325 @Override 6326 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6327 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6328 flags = updateFlagsForApplication(flags, userId, null); 6329 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6330 6331 // writer 6332 synchronized (mPackages) { 6333 ArrayList<ApplicationInfo> list; 6334 if (listUninstalled) { 6335 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6336 for (PackageSetting ps : mSettings.mPackages.values()) { 6337 ApplicationInfo ai; 6338 if (ps.pkg != null) { 6339 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6340 ps.readUserState(userId), userId); 6341 } else { 6342 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6343 } 6344 if (ai != null) { 6345 list.add(ai); 6346 } 6347 } 6348 } else { 6349 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6350 for (PackageParser.Package p : mPackages.values()) { 6351 if (p.mExtras != null) { 6352 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6353 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6354 if (ai != null) { 6355 list.add(ai); 6356 } 6357 } 6358 } 6359 } 6360 6361 return new ParceledListSlice<ApplicationInfo>(list); 6362 } 6363 } 6364 6365 @Override 6366 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6367 if (DISABLE_EPHEMERAL_APPS) { 6368 return null; 6369 } 6370 6371 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6372 "getEphemeralApplications"); 6373 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6374 true /* requireFullPermission */, false /* checkShell */, 6375 "getEphemeralApplications"); 6376 synchronized (mPackages) { 6377 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6378 .getEphemeralApplicationsLPw(userId); 6379 if (ephemeralApps != null) { 6380 return new ParceledListSlice<>(ephemeralApps); 6381 } 6382 } 6383 return null; 6384 } 6385 6386 @Override 6387 public boolean isEphemeralApplication(String packageName, int userId) { 6388 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6389 true /* requireFullPermission */, false /* checkShell */, 6390 "isEphemeral"); 6391 if (DISABLE_EPHEMERAL_APPS) { 6392 return false; 6393 } 6394 6395 if (!isCallerSameApp(packageName)) { 6396 return false; 6397 } 6398 synchronized (mPackages) { 6399 PackageParser.Package pkg = mPackages.get(packageName); 6400 if (pkg != null) { 6401 return pkg.applicationInfo.isEphemeralApp(); 6402 } 6403 } 6404 return false; 6405 } 6406 6407 @Override 6408 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6409 if (DISABLE_EPHEMERAL_APPS) { 6410 return null; 6411 } 6412 6413 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6414 true /* requireFullPermission */, false /* checkShell */, 6415 "getCookie"); 6416 if (!isCallerSameApp(packageName)) { 6417 return null; 6418 } 6419 synchronized (mPackages) { 6420 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6421 packageName, userId); 6422 } 6423 } 6424 6425 @Override 6426 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6427 if (DISABLE_EPHEMERAL_APPS) { 6428 return true; 6429 } 6430 6431 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6432 true /* requireFullPermission */, true /* checkShell */, 6433 "setCookie"); 6434 if (!isCallerSameApp(packageName)) { 6435 return false; 6436 } 6437 synchronized (mPackages) { 6438 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6439 packageName, cookie, userId); 6440 } 6441 } 6442 6443 @Override 6444 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6445 if (DISABLE_EPHEMERAL_APPS) { 6446 return null; 6447 } 6448 6449 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6450 "getEphemeralApplicationIcon"); 6451 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6452 true /* requireFullPermission */, false /* checkShell */, 6453 "getEphemeralApplicationIcon"); 6454 synchronized (mPackages) { 6455 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6456 packageName, userId); 6457 } 6458 } 6459 6460 private boolean isCallerSameApp(String packageName) { 6461 PackageParser.Package pkg = mPackages.get(packageName); 6462 return pkg != null 6463 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6464 } 6465 6466 @Override 6467 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6468 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6469 } 6470 6471 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6472 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6473 6474 // reader 6475 synchronized (mPackages) { 6476 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6477 final int userId = UserHandle.getCallingUserId(); 6478 while (i.hasNext()) { 6479 final PackageParser.Package p = i.next(); 6480 if (p.applicationInfo == null) continue; 6481 6482 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6483 && !p.applicationInfo.isDirectBootAware(); 6484 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6485 && p.applicationInfo.isDirectBootAware(); 6486 6487 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6488 && (!mSafeMode || isSystemApp(p)) 6489 && (matchesUnaware || matchesAware)) { 6490 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6491 if (ps != null) { 6492 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6493 ps.readUserState(userId), userId); 6494 if (ai != null) { 6495 finalList.add(ai); 6496 } 6497 } 6498 } 6499 } 6500 } 6501 6502 return finalList; 6503 } 6504 6505 @Override 6506 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6507 if (!sUserManager.exists(userId)) return null; 6508 flags = updateFlagsForComponent(flags, userId, name); 6509 // reader 6510 synchronized (mPackages) { 6511 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6512 PackageSetting ps = provider != null 6513 ? mSettings.mPackages.get(provider.owner.packageName) 6514 : null; 6515 return ps != null 6516 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6517 ? PackageParser.generateProviderInfo(provider, flags, 6518 ps.readUserState(userId), userId) 6519 : null; 6520 } 6521 } 6522 6523 /** 6524 * @deprecated 6525 */ 6526 @Deprecated 6527 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6528 // reader 6529 synchronized (mPackages) { 6530 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6531 .entrySet().iterator(); 6532 final int userId = UserHandle.getCallingUserId(); 6533 while (i.hasNext()) { 6534 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6535 PackageParser.Provider p = entry.getValue(); 6536 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6537 6538 if (ps != null && p.syncable 6539 && (!mSafeMode || (p.info.applicationInfo.flags 6540 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6541 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6542 ps.readUserState(userId), userId); 6543 if (info != null) { 6544 outNames.add(entry.getKey()); 6545 outInfo.add(info); 6546 } 6547 } 6548 } 6549 } 6550 } 6551 6552 @Override 6553 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6554 int uid, int flags) { 6555 final int userId = processName != null ? UserHandle.getUserId(uid) 6556 : UserHandle.getCallingUserId(); 6557 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6558 flags = updateFlagsForComponent(flags, userId, processName); 6559 6560 ArrayList<ProviderInfo> finalList = null; 6561 // reader 6562 synchronized (mPackages) { 6563 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6564 while (i.hasNext()) { 6565 final PackageParser.Provider p = i.next(); 6566 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6567 if (ps != null && p.info.authority != null 6568 && (processName == null 6569 || (p.info.processName.equals(processName) 6570 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6571 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6572 if (finalList == null) { 6573 finalList = new ArrayList<ProviderInfo>(3); 6574 } 6575 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6576 ps.readUserState(userId), userId); 6577 if (info != null) { 6578 finalList.add(info); 6579 } 6580 } 6581 } 6582 } 6583 6584 if (finalList != null) { 6585 Collections.sort(finalList, mProviderInitOrderSorter); 6586 return new ParceledListSlice<ProviderInfo>(finalList); 6587 } 6588 6589 return ParceledListSlice.emptyList(); 6590 } 6591 6592 @Override 6593 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6594 // reader 6595 synchronized (mPackages) { 6596 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6597 return PackageParser.generateInstrumentationInfo(i, flags); 6598 } 6599 } 6600 6601 @Override 6602 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6603 String targetPackage, int flags) { 6604 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6605 } 6606 6607 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6608 int flags) { 6609 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6610 6611 // reader 6612 synchronized (mPackages) { 6613 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6614 while (i.hasNext()) { 6615 final PackageParser.Instrumentation p = i.next(); 6616 if (targetPackage == null 6617 || targetPackage.equals(p.info.targetPackage)) { 6618 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6619 flags); 6620 if (ii != null) { 6621 finalList.add(ii); 6622 } 6623 } 6624 } 6625 } 6626 6627 return finalList; 6628 } 6629 6630 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6631 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6632 if (overlays == null) { 6633 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6634 return; 6635 } 6636 for (PackageParser.Package opkg : overlays.values()) { 6637 // Not much to do if idmap fails: we already logged the error 6638 // and we certainly don't want to abort installation of pkg simply 6639 // because an overlay didn't fit properly. For these reasons, 6640 // ignore the return value of createIdmapForPackagePairLI. 6641 createIdmapForPackagePairLI(pkg, opkg); 6642 } 6643 } 6644 6645 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6646 PackageParser.Package opkg) { 6647 if (!opkg.mTrustedOverlay) { 6648 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6649 opkg.baseCodePath + ": overlay not trusted"); 6650 return false; 6651 } 6652 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6653 if (overlaySet == null) { 6654 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6655 opkg.baseCodePath + " but target package has no known overlays"); 6656 return false; 6657 } 6658 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6659 // TODO: generate idmap for split APKs 6660 try { 6661 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6662 } catch (InstallerException e) { 6663 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6664 + opkg.baseCodePath); 6665 return false; 6666 } 6667 PackageParser.Package[] overlayArray = 6668 overlaySet.values().toArray(new PackageParser.Package[0]); 6669 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6670 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6671 return p1.mOverlayPriority - p2.mOverlayPriority; 6672 } 6673 }; 6674 Arrays.sort(overlayArray, cmp); 6675 6676 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6677 int i = 0; 6678 for (PackageParser.Package p : overlayArray) { 6679 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6680 } 6681 return true; 6682 } 6683 6684 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6685 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6686 try { 6687 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6688 } finally { 6689 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6690 } 6691 } 6692 6693 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6694 final File[] files = dir.listFiles(); 6695 if (ArrayUtils.isEmpty(files)) { 6696 Log.d(TAG, "No files in app dir " + dir); 6697 return; 6698 } 6699 6700 if (DEBUG_PACKAGE_SCANNING) { 6701 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6702 + " flags=0x" + Integer.toHexString(parseFlags)); 6703 } 6704 6705 for (File file : files) { 6706 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6707 && !PackageInstallerService.isStageName(file.getName()); 6708 if (!isPackage) { 6709 // Ignore entries which are not packages 6710 continue; 6711 } 6712 try { 6713 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6714 scanFlags, currentTime, null); 6715 } catch (PackageManagerException e) { 6716 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6717 6718 // Delete invalid userdata apps 6719 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6720 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6721 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6722 removeCodePathLI(file); 6723 } 6724 } 6725 } 6726 } 6727 6728 private static File getSettingsProblemFile() { 6729 File dataDir = Environment.getDataDirectory(); 6730 File systemDir = new File(dataDir, "system"); 6731 File fname = new File(systemDir, "uiderrors.txt"); 6732 return fname; 6733 } 6734 6735 static void reportSettingsProblem(int priority, String msg) { 6736 logCriticalInfo(priority, msg); 6737 } 6738 6739 static void logCriticalInfo(int priority, String msg) { 6740 Slog.println(priority, TAG, msg); 6741 EventLogTags.writePmCriticalInfo(msg); 6742 try { 6743 File fname = getSettingsProblemFile(); 6744 FileOutputStream out = new FileOutputStream(fname, true); 6745 PrintWriter pw = new FastPrintWriter(out); 6746 SimpleDateFormat formatter = new SimpleDateFormat(); 6747 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6748 pw.println(dateString + ": " + msg); 6749 pw.close(); 6750 FileUtils.setPermissions( 6751 fname.toString(), 6752 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6753 -1, -1); 6754 } catch (java.io.IOException e) { 6755 } 6756 } 6757 6758 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6759 final int policyFlags) throws PackageManagerException { 6760 if (ps != null 6761 && ps.codePath.equals(srcFile) 6762 && ps.timeStamp == srcFile.lastModified() 6763 && !isCompatSignatureUpdateNeeded(pkg) 6764 && !isRecoverSignatureUpdateNeeded(pkg)) { 6765 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6766 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6767 ArraySet<PublicKey> signingKs; 6768 synchronized (mPackages) { 6769 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6770 } 6771 if (ps.signatures.mSignatures != null 6772 && ps.signatures.mSignatures.length != 0 6773 && signingKs != null) { 6774 // Optimization: reuse the existing cached certificates 6775 // if the package appears to be unchanged. 6776 pkg.mSignatures = ps.signatures.mSignatures; 6777 pkg.mSigningKeys = signingKs; 6778 return; 6779 } 6780 6781 Slog.w(TAG, "PackageSetting for " + ps.name 6782 + " is missing signatures. Collecting certs again to recover them."); 6783 } else { 6784 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6785 } 6786 6787 try { 6788 PackageParser.collectCertificates(pkg, policyFlags); 6789 } catch (PackageParserException e) { 6790 throw PackageManagerException.from(e); 6791 } 6792 } 6793 6794 /** 6795 * Traces a package scan. 6796 * @see #scanPackageLI(File, int, int, long, UserHandle) 6797 */ 6798 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6799 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6800 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6801 try { 6802 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6803 } finally { 6804 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6805 } 6806 } 6807 6808 /** 6809 * Scans a package and returns the newly parsed package. 6810 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6811 */ 6812 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6813 long currentTime, UserHandle user) throws PackageManagerException { 6814 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6815 PackageParser pp = new PackageParser(); 6816 pp.setSeparateProcesses(mSeparateProcesses); 6817 pp.setOnlyCoreApps(mOnlyCore); 6818 pp.setDisplayMetrics(mMetrics); 6819 6820 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6821 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6822 } 6823 6824 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6825 final PackageParser.Package pkg; 6826 try { 6827 pkg = pp.parsePackage(scanFile, parseFlags); 6828 } catch (PackageParserException e) { 6829 throw PackageManagerException.from(e); 6830 } finally { 6831 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6832 } 6833 6834 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6835 } 6836 6837 /** 6838 * Scans a package and returns the newly parsed package. 6839 * @throws PackageManagerException on a parse error. 6840 */ 6841 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6842 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6843 throws PackageManagerException { 6844 // If the package has children and this is the first dive in the function 6845 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6846 // packages (parent and children) would be successfully scanned before the 6847 // actual scan since scanning mutates internal state and we want to atomically 6848 // install the package and its children. 6849 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6850 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6851 scanFlags |= SCAN_CHECK_ONLY; 6852 } 6853 } else { 6854 scanFlags &= ~SCAN_CHECK_ONLY; 6855 } 6856 6857 // Scan the parent 6858 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6859 scanFlags, currentTime, user); 6860 6861 // Scan the children 6862 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6863 for (int i = 0; i < childCount; i++) { 6864 PackageParser.Package childPackage = pkg.childPackages.get(i); 6865 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6866 currentTime, user); 6867 } 6868 6869 6870 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6871 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6872 } 6873 6874 return scannedPkg; 6875 } 6876 6877 /** 6878 * Scans a package and returns the newly parsed package. 6879 * @throws PackageManagerException on a parse error. 6880 */ 6881 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6882 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6883 throws PackageManagerException { 6884 PackageSetting ps = null; 6885 PackageSetting updatedPkg; 6886 // reader 6887 synchronized (mPackages) { 6888 // Look to see if we already know about this package. 6889 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6890 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6891 // This package has been renamed to its original name. Let's 6892 // use that. 6893 ps = mSettings.peekPackageLPr(oldName); 6894 } 6895 // If there was no original package, see one for the real package name. 6896 if (ps == null) { 6897 ps = mSettings.peekPackageLPr(pkg.packageName); 6898 } 6899 // Check to see if this package could be hiding/updating a system 6900 // package. Must look for it either under the original or real 6901 // package name depending on our state. 6902 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6903 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6904 6905 // If this is a package we don't know about on the system partition, we 6906 // may need to remove disabled child packages on the system partition 6907 // or may need to not add child packages if the parent apk is updated 6908 // on the data partition and no longer defines this child package. 6909 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6910 // If this is a parent package for an updated system app and this system 6911 // app got an OTA update which no longer defines some of the child packages 6912 // we have to prune them from the disabled system packages. 6913 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6914 if (disabledPs != null) { 6915 final int scannedChildCount = (pkg.childPackages != null) 6916 ? pkg.childPackages.size() : 0; 6917 final int disabledChildCount = disabledPs.childPackageNames != null 6918 ? disabledPs.childPackageNames.size() : 0; 6919 for (int i = 0; i < disabledChildCount; i++) { 6920 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6921 boolean disabledPackageAvailable = false; 6922 for (int j = 0; j < scannedChildCount; j++) { 6923 PackageParser.Package childPkg = pkg.childPackages.get(j); 6924 if (childPkg.packageName.equals(disabledChildPackageName)) { 6925 disabledPackageAvailable = true; 6926 break; 6927 } 6928 } 6929 if (!disabledPackageAvailable) { 6930 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6931 } 6932 } 6933 } 6934 } 6935 } 6936 6937 boolean updatedPkgBetter = false; 6938 // First check if this is a system package that may involve an update 6939 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6940 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6941 // it needs to drop FLAG_PRIVILEGED. 6942 if (locationIsPrivileged(scanFile)) { 6943 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6944 } else { 6945 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6946 } 6947 6948 if (ps != null && !ps.codePath.equals(scanFile)) { 6949 // The path has changed from what was last scanned... check the 6950 // version of the new path against what we have stored to determine 6951 // what to do. 6952 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6953 if (pkg.mVersionCode <= ps.versionCode) { 6954 // The system package has been updated and the code path does not match 6955 // Ignore entry. Skip it. 6956 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6957 + " ignored: updated version " + ps.versionCode 6958 + " better than this " + pkg.mVersionCode); 6959 if (!updatedPkg.codePath.equals(scanFile)) { 6960 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6961 + ps.name + " changing from " + updatedPkg.codePathString 6962 + " to " + scanFile); 6963 updatedPkg.codePath = scanFile; 6964 updatedPkg.codePathString = scanFile.toString(); 6965 updatedPkg.resourcePath = scanFile; 6966 updatedPkg.resourcePathString = scanFile.toString(); 6967 } 6968 updatedPkg.pkg = pkg; 6969 updatedPkg.versionCode = pkg.mVersionCode; 6970 6971 // Update the disabled system child packages to point to the package too. 6972 final int childCount = updatedPkg.childPackageNames != null 6973 ? updatedPkg.childPackageNames.size() : 0; 6974 for (int i = 0; i < childCount; i++) { 6975 String childPackageName = updatedPkg.childPackageNames.get(i); 6976 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6977 childPackageName); 6978 if (updatedChildPkg != null) { 6979 updatedChildPkg.pkg = pkg; 6980 updatedChildPkg.versionCode = pkg.mVersionCode; 6981 } 6982 } 6983 6984 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6985 + scanFile + " ignored: updated version " + ps.versionCode 6986 + " better than this " + pkg.mVersionCode); 6987 } else { 6988 // The current app on the system partition is better than 6989 // what we have updated to on the data partition; switch 6990 // back to the system partition version. 6991 // At this point, its safely assumed that package installation for 6992 // apps in system partition will go through. If not there won't be a working 6993 // version of the app 6994 // writer 6995 synchronized (mPackages) { 6996 // Just remove the loaded entries from package lists. 6997 mPackages.remove(ps.name); 6998 } 6999 7000 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7001 + " reverting from " + ps.codePathString 7002 + ": new version " + pkg.mVersionCode 7003 + " better than installed " + ps.versionCode); 7004 7005 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7006 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7007 synchronized (mInstallLock) { 7008 args.cleanUpResourcesLI(); 7009 } 7010 synchronized (mPackages) { 7011 mSettings.enableSystemPackageLPw(ps.name); 7012 } 7013 updatedPkgBetter = true; 7014 } 7015 } 7016 } 7017 7018 if (updatedPkg != null) { 7019 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7020 // initially 7021 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7022 7023 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7024 // flag set initially 7025 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7026 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7027 } 7028 } 7029 7030 // Verify certificates against what was last scanned 7031 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7032 7033 /* 7034 * A new system app appeared, but we already had a non-system one of the 7035 * same name installed earlier. 7036 */ 7037 boolean shouldHideSystemApp = false; 7038 if (updatedPkg == null && ps != null 7039 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7040 /* 7041 * Check to make sure the signatures match first. If they don't, 7042 * wipe the installed application and its data. 7043 */ 7044 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7045 != PackageManager.SIGNATURE_MATCH) { 7046 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7047 + " signatures don't match existing userdata copy; removing"); 7048 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7049 "scanPackageInternalLI")) { 7050 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7051 } 7052 ps = null; 7053 } else { 7054 /* 7055 * If the newly-added system app is an older version than the 7056 * already installed version, hide it. It will be scanned later 7057 * and re-added like an update. 7058 */ 7059 if (pkg.mVersionCode <= ps.versionCode) { 7060 shouldHideSystemApp = true; 7061 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7062 + " but new version " + pkg.mVersionCode + " better than installed " 7063 + ps.versionCode + "; hiding system"); 7064 } else { 7065 /* 7066 * The newly found system app is a newer version that the 7067 * one previously installed. Simply remove the 7068 * already-installed application and replace it with our own 7069 * while keeping the application data. 7070 */ 7071 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7072 + " reverting from " + ps.codePathString + ": new version " 7073 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7074 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7075 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7076 synchronized (mInstallLock) { 7077 args.cleanUpResourcesLI(); 7078 } 7079 } 7080 } 7081 } 7082 7083 // The apk is forward locked (not public) if its code and resources 7084 // are kept in different files. (except for app in either system or 7085 // vendor path). 7086 // TODO grab this value from PackageSettings 7087 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7088 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7089 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7090 } 7091 } 7092 7093 // TODO: extend to support forward-locked splits 7094 String resourcePath = null; 7095 String baseResourcePath = null; 7096 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7097 if (ps != null && ps.resourcePathString != null) { 7098 resourcePath = ps.resourcePathString; 7099 baseResourcePath = ps.resourcePathString; 7100 } else { 7101 // Should not happen at all. Just log an error. 7102 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7103 } 7104 } else { 7105 resourcePath = pkg.codePath; 7106 baseResourcePath = pkg.baseCodePath; 7107 } 7108 7109 // Set application objects path explicitly. 7110 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7111 pkg.setApplicationInfoCodePath(pkg.codePath); 7112 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7113 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7114 pkg.setApplicationInfoResourcePath(resourcePath); 7115 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7116 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7117 7118 // Note that we invoke the following method only if we are about to unpack an application 7119 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7120 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7121 7122 /* 7123 * If the system app should be overridden by a previously installed 7124 * data, hide the system app now and let the /data/app scan pick it up 7125 * again. 7126 */ 7127 if (shouldHideSystemApp) { 7128 synchronized (mPackages) { 7129 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7130 } 7131 } 7132 7133 return scannedPkg; 7134 } 7135 7136 private static String fixProcessName(String defProcessName, 7137 String processName, int uid) { 7138 if (processName == null) { 7139 return defProcessName; 7140 } 7141 return processName; 7142 } 7143 7144 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7145 throws PackageManagerException { 7146 if (pkgSetting.signatures.mSignatures != null) { 7147 // Already existing package. Make sure signatures match 7148 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7149 == PackageManager.SIGNATURE_MATCH; 7150 if (!match) { 7151 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7152 == PackageManager.SIGNATURE_MATCH; 7153 } 7154 if (!match) { 7155 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7156 == PackageManager.SIGNATURE_MATCH; 7157 } 7158 if (!match) { 7159 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7160 + pkg.packageName + " signatures do not match the " 7161 + "previously installed version; ignoring!"); 7162 } 7163 } 7164 7165 // Check for shared user signatures 7166 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7167 // Already existing package. Make sure signatures match 7168 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7169 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7170 if (!match) { 7171 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7172 == PackageManager.SIGNATURE_MATCH; 7173 } 7174 if (!match) { 7175 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7176 == PackageManager.SIGNATURE_MATCH; 7177 } 7178 if (!match) { 7179 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7180 "Package " + pkg.packageName 7181 + " has no signatures that match those in shared user " 7182 + pkgSetting.sharedUser.name + "; ignoring!"); 7183 } 7184 } 7185 } 7186 7187 /** 7188 * Enforces that only the system UID or root's UID can call a method exposed 7189 * via Binder. 7190 * 7191 * @param message used as message if SecurityException is thrown 7192 * @throws SecurityException if the caller is not system or root 7193 */ 7194 private static final void enforceSystemOrRoot(String message) { 7195 final int uid = Binder.getCallingUid(); 7196 if (uid != Process.SYSTEM_UID && uid != 0) { 7197 throw new SecurityException(message); 7198 } 7199 } 7200 7201 @Override 7202 public void performFstrimIfNeeded() { 7203 enforceSystemOrRoot("Only the system can request fstrim"); 7204 7205 // Before everything else, see whether we need to fstrim. 7206 try { 7207 IMountService ms = PackageHelper.getMountService(); 7208 if (ms != null) { 7209 final boolean isUpgrade = isUpgrade(); 7210 boolean doTrim = isUpgrade; 7211 if (doTrim) { 7212 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7213 } else { 7214 final long interval = android.provider.Settings.Global.getLong( 7215 mContext.getContentResolver(), 7216 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7217 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7218 if (interval > 0) { 7219 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7220 if (timeSinceLast > interval) { 7221 doTrim = true; 7222 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7223 + "; running immediately"); 7224 } 7225 } 7226 } 7227 if (doTrim) { 7228 if (!isFirstBoot()) { 7229 try { 7230 ActivityManagerNative.getDefault().showBootMessage( 7231 mContext.getResources().getString( 7232 R.string.android_upgrading_fstrim), true); 7233 } catch (RemoteException e) { 7234 } 7235 } 7236 ms.runMaintenance(); 7237 } 7238 } else { 7239 Slog.e(TAG, "Mount service unavailable!"); 7240 } 7241 } catch (RemoteException e) { 7242 // Can't happen; MountService is local 7243 } 7244 } 7245 7246 @Override 7247 public void updatePackagesIfNeeded() { 7248 enforceSystemOrRoot("Only the system can request package update"); 7249 7250 // We need to re-extract after an OTA. 7251 boolean causeUpgrade = isUpgrade(); 7252 7253 // First boot or factory reset. 7254 // Note: we also handle devices that are upgrading to N right now as if it is their 7255 // first boot, as they do not have profile data. 7256 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7257 7258 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7259 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7260 7261 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7262 return; 7263 } 7264 7265 List<PackageParser.Package> pkgs; 7266 synchronized (mPackages) { 7267 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7268 } 7269 7270 final long startTime = System.nanoTime(); 7271 final int[] stats = performDexOpt(pkgs, mIsPreNUpgrade /* showDialog */, 7272 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7273 7274 final int elapsedTimeSeconds = 7275 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7276 7277 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7278 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7279 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7280 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7281 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7282 } 7283 7284 /** 7285 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7286 * containing statistics about the invocation. The array consists of three elements, 7287 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7288 * and {@code numberOfPackagesFailed}. 7289 */ 7290 private int[] performDexOpt(List<PackageParser.Package> pkgs, boolean showDialog, 7291 String compilerFilter) { 7292 7293 int numberOfPackagesVisited = 0; 7294 int numberOfPackagesOptimized = 0; 7295 int numberOfPackagesSkipped = 0; 7296 int numberOfPackagesFailed = 0; 7297 final int numberOfPackagesToDexopt = pkgs.size(); 7298 7299 for (PackageParser.Package pkg : pkgs) { 7300 numberOfPackagesVisited++; 7301 7302 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7303 if (DEBUG_DEXOPT) { 7304 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7305 } 7306 numberOfPackagesSkipped++; 7307 continue; 7308 } 7309 7310 if (DEBUG_DEXOPT) { 7311 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7312 numberOfPackagesToDexopt + ": " + pkg.packageName); 7313 } 7314 7315 if (showDialog) { 7316 try { 7317 ActivityManagerNative.getDefault().showBootMessage( 7318 mContext.getResources().getString(R.string.android_upgrading_apk, 7319 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7320 } catch (RemoteException e) { 7321 } 7322 } 7323 7324 // checkProfiles is false to avoid merging profiles during boot which 7325 // might interfere with background compilation (b/28612421). 7326 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7327 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7328 // trade-off worth doing to save boot time work. 7329 int dexOptStatus = performDexOptTraced(pkg.packageName, 7330 false /* checkProfiles */, 7331 compilerFilter, 7332 false /* force */); 7333 switch (dexOptStatus) { 7334 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7335 numberOfPackagesOptimized++; 7336 break; 7337 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7338 numberOfPackagesSkipped++; 7339 break; 7340 case PackageDexOptimizer.DEX_OPT_FAILED: 7341 numberOfPackagesFailed++; 7342 break; 7343 default: 7344 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7345 break; 7346 } 7347 } 7348 7349 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7350 numberOfPackagesFailed }; 7351 } 7352 7353 @Override 7354 public void notifyPackageUse(String packageName, int reason) { 7355 synchronized (mPackages) { 7356 PackageParser.Package p = mPackages.get(packageName); 7357 if (p == null) { 7358 return; 7359 } 7360 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7361 } 7362 } 7363 7364 // TODO: this is not used nor needed. Delete it. 7365 @Override 7366 public boolean performDexOptIfNeeded(String packageName) { 7367 int dexOptStatus = performDexOptTraced(packageName, 7368 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7369 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7370 } 7371 7372 @Override 7373 public boolean performDexOpt(String packageName, 7374 boolean checkProfiles, int compileReason, boolean force) { 7375 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7376 getCompilerFilterForReason(compileReason), force); 7377 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7378 } 7379 7380 @Override 7381 public boolean performDexOptMode(String packageName, 7382 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7383 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7384 targetCompilerFilter, force); 7385 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7386 } 7387 7388 private int performDexOptTraced(String packageName, 7389 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7390 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7391 try { 7392 return performDexOptInternal(packageName, checkProfiles, 7393 targetCompilerFilter, force); 7394 } finally { 7395 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7396 } 7397 } 7398 7399 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7400 // if the package can now be considered up to date for the given filter. 7401 private int performDexOptInternal(String packageName, 7402 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7403 PackageParser.Package p; 7404 synchronized (mPackages) { 7405 p = mPackages.get(packageName); 7406 if (p == null) { 7407 // Package could not be found. Report failure. 7408 return PackageDexOptimizer.DEX_OPT_FAILED; 7409 } 7410 mPackageUsage.write(false); 7411 } 7412 long callingId = Binder.clearCallingIdentity(); 7413 try { 7414 synchronized (mInstallLock) { 7415 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7416 targetCompilerFilter, force); 7417 } 7418 } finally { 7419 Binder.restoreCallingIdentity(callingId); 7420 } 7421 } 7422 7423 public ArraySet<String> getOptimizablePackages() { 7424 ArraySet<String> pkgs = new ArraySet<String>(); 7425 synchronized (mPackages) { 7426 for (PackageParser.Package p : mPackages.values()) { 7427 if (PackageDexOptimizer.canOptimizePackage(p)) { 7428 pkgs.add(p.packageName); 7429 } 7430 } 7431 } 7432 return pkgs; 7433 } 7434 7435 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7436 boolean checkProfiles, String targetCompilerFilter, 7437 boolean force) { 7438 // Select the dex optimizer based on the force parameter. 7439 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7440 // allocate an object here. 7441 PackageDexOptimizer pdo = force 7442 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7443 : mPackageDexOptimizer; 7444 7445 // Optimize all dependencies first. Note: we ignore the return value and march on 7446 // on errors. 7447 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7448 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7449 if (!deps.isEmpty()) { 7450 for (PackageParser.Package depPackage : deps) { 7451 // TODO: Analyze and investigate if we (should) profile libraries. 7452 // Currently this will do a full compilation of the library by default. 7453 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7454 false /* checkProfiles */, 7455 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7456 } 7457 } 7458 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7459 targetCompilerFilter); 7460 } 7461 7462 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7463 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7464 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7465 Set<String> collectedNames = new HashSet<>(); 7466 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7467 7468 retValue.remove(p); 7469 7470 return retValue; 7471 } else { 7472 return Collections.emptyList(); 7473 } 7474 } 7475 7476 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7477 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7478 if (!collectedNames.contains(p.packageName)) { 7479 collectedNames.add(p.packageName); 7480 collected.add(p); 7481 7482 if (p.usesLibraries != null) { 7483 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7484 } 7485 if (p.usesOptionalLibraries != null) { 7486 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7487 collectedNames); 7488 } 7489 } 7490 } 7491 7492 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7493 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7494 for (String libName : libs) { 7495 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7496 if (libPkg != null) { 7497 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7498 } 7499 } 7500 } 7501 7502 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7503 synchronized (mPackages) { 7504 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7505 if (lib != null && lib.apk != null) { 7506 return mPackages.get(lib.apk); 7507 } 7508 } 7509 return null; 7510 } 7511 7512 public void shutdown() { 7513 mPackageUsage.write(true); 7514 } 7515 7516 @Override 7517 public void dumpProfiles(String packageName) { 7518 PackageParser.Package pkg; 7519 synchronized (mPackages) { 7520 pkg = mPackages.get(packageName); 7521 if (pkg == null) { 7522 throw new IllegalArgumentException("Unknown package: " + packageName); 7523 } 7524 } 7525 /* Only the shell, root, or the app user should be able to dump profiles. */ 7526 int callingUid = Binder.getCallingUid(); 7527 if (callingUid != Process.SHELL_UID && 7528 callingUid != Process.ROOT_UID && 7529 callingUid != pkg.applicationInfo.uid) { 7530 throw new SecurityException("dumpProfiles"); 7531 } 7532 7533 synchronized (mInstallLock) { 7534 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7535 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7536 try { 7537 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7538 String gid = Integer.toString(sharedGid); 7539 String codePaths = TextUtils.join(";", allCodePaths); 7540 mInstaller.dumpProfiles(gid, packageName, codePaths); 7541 } catch (InstallerException e) { 7542 Slog.w(TAG, "Failed to dump profiles", e); 7543 } 7544 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7545 } 7546 } 7547 7548 @Override 7549 public void forceDexOpt(String packageName) { 7550 enforceSystemOrRoot("forceDexOpt"); 7551 7552 PackageParser.Package pkg; 7553 synchronized (mPackages) { 7554 pkg = mPackages.get(packageName); 7555 if (pkg == null) { 7556 throw new IllegalArgumentException("Unknown package: " + packageName); 7557 } 7558 } 7559 7560 synchronized (mInstallLock) { 7561 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7562 7563 // Whoever is calling forceDexOpt wants a fully compiled package. 7564 // Don't use profiles since that may cause compilation to be skipped. 7565 final int res = performDexOptInternalWithDependenciesLI(pkg, 7566 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7567 true /* force */); 7568 7569 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7570 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7571 throw new IllegalStateException("Failed to dexopt: " + res); 7572 } 7573 } 7574 } 7575 7576 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7577 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7578 Slog.w(TAG, "Unable to update from " + oldPkg.name 7579 + " to " + newPkg.packageName 7580 + ": old package not in system partition"); 7581 return false; 7582 } else if (mPackages.get(oldPkg.name) != null) { 7583 Slog.w(TAG, "Unable to update from " + oldPkg.name 7584 + " to " + newPkg.packageName 7585 + ": old package still exists"); 7586 return false; 7587 } 7588 return true; 7589 } 7590 7591 void removeCodePathLI(File codePath) { 7592 if (codePath.isDirectory()) { 7593 try { 7594 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7595 } catch (InstallerException e) { 7596 Slog.w(TAG, "Failed to remove code path", e); 7597 } 7598 } else { 7599 codePath.delete(); 7600 } 7601 } 7602 7603 private int[] resolveUserIds(int userId) { 7604 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7605 } 7606 7607 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7608 if (pkg == null) { 7609 Slog.wtf(TAG, "Package was null!", new Throwable()); 7610 return; 7611 } 7612 clearAppDataLeafLIF(pkg, userId, flags); 7613 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7614 for (int i = 0; i < childCount; i++) { 7615 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7616 } 7617 } 7618 7619 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7620 final PackageSetting ps; 7621 synchronized (mPackages) { 7622 ps = mSettings.mPackages.get(pkg.packageName); 7623 } 7624 for (int realUserId : resolveUserIds(userId)) { 7625 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7626 try { 7627 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7628 ceDataInode); 7629 } catch (InstallerException e) { 7630 Slog.w(TAG, String.valueOf(e)); 7631 } 7632 } 7633 } 7634 7635 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7636 if (pkg == null) { 7637 Slog.wtf(TAG, "Package was null!", new Throwable()); 7638 return; 7639 } 7640 destroyAppDataLeafLIF(pkg, userId, flags); 7641 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7642 for (int i = 0; i < childCount; i++) { 7643 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7644 } 7645 } 7646 7647 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7648 final PackageSetting ps; 7649 synchronized (mPackages) { 7650 ps = mSettings.mPackages.get(pkg.packageName); 7651 } 7652 for (int realUserId : resolveUserIds(userId)) { 7653 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7654 try { 7655 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7656 ceDataInode); 7657 } catch (InstallerException e) { 7658 Slog.w(TAG, String.valueOf(e)); 7659 } 7660 } 7661 } 7662 7663 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7664 if (pkg == null) { 7665 Slog.wtf(TAG, "Package was null!", new Throwable()); 7666 return; 7667 } 7668 destroyAppProfilesLeafLIF(pkg); 7669 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7670 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7671 for (int i = 0; i < childCount; i++) { 7672 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7673 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7674 true /* removeBaseMarker */); 7675 } 7676 } 7677 7678 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7679 boolean removeBaseMarker) { 7680 if (pkg.isForwardLocked()) { 7681 return; 7682 } 7683 7684 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7685 try { 7686 path = PackageManagerServiceUtils.realpath(new File(path)); 7687 } catch (IOException e) { 7688 // TODO: Should we return early here ? 7689 Slog.w(TAG, "Failed to get canonical path", e); 7690 continue; 7691 } 7692 7693 final String useMarker = path.replace('/', '@'); 7694 for (int realUserId : resolveUserIds(userId)) { 7695 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7696 if (removeBaseMarker) { 7697 File foreignUseMark = new File(profileDir, useMarker); 7698 if (foreignUseMark.exists()) { 7699 if (!foreignUseMark.delete()) { 7700 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7701 + pkg.packageName); 7702 } 7703 } 7704 } 7705 7706 File[] markers = profileDir.listFiles(); 7707 if (markers != null) { 7708 final String searchString = "@" + pkg.packageName + "@"; 7709 // We also delete all markers that contain the package name we're 7710 // uninstalling. These are associated with secondary dex-files belonging 7711 // to the package. Reconstructing the path of these dex files is messy 7712 // in general. 7713 for (File marker : markers) { 7714 if (marker.getName().indexOf(searchString) > 0) { 7715 if (!marker.delete()) { 7716 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7717 + pkg.packageName); 7718 } 7719 } 7720 } 7721 } 7722 } 7723 } 7724 } 7725 7726 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7727 try { 7728 mInstaller.destroyAppProfiles(pkg.packageName); 7729 } catch (InstallerException e) { 7730 Slog.w(TAG, String.valueOf(e)); 7731 } 7732 } 7733 7734 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7735 if (pkg == null) { 7736 Slog.wtf(TAG, "Package was null!", new Throwable()); 7737 return; 7738 } 7739 clearAppProfilesLeafLIF(pkg); 7740 // We don't remove the base foreign use marker when clearing profiles because 7741 // we will rename it when the app is updated. Unlike the actual profile contents, 7742 // the foreign use marker is good across installs. 7743 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7744 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7745 for (int i = 0; i < childCount; i++) { 7746 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7747 } 7748 } 7749 7750 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7751 try { 7752 mInstaller.clearAppProfiles(pkg.packageName); 7753 } catch (InstallerException e) { 7754 Slog.w(TAG, String.valueOf(e)); 7755 } 7756 } 7757 7758 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7759 long lastUpdateTime) { 7760 // Set parent install/update time 7761 PackageSetting ps = (PackageSetting) pkg.mExtras; 7762 if (ps != null) { 7763 ps.firstInstallTime = firstInstallTime; 7764 ps.lastUpdateTime = lastUpdateTime; 7765 } 7766 // Set children install/update time 7767 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7768 for (int i = 0; i < childCount; i++) { 7769 PackageParser.Package childPkg = pkg.childPackages.get(i); 7770 ps = (PackageSetting) childPkg.mExtras; 7771 if (ps != null) { 7772 ps.firstInstallTime = firstInstallTime; 7773 ps.lastUpdateTime = lastUpdateTime; 7774 } 7775 } 7776 } 7777 7778 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7779 PackageParser.Package changingLib) { 7780 if (file.path != null) { 7781 usesLibraryFiles.add(file.path); 7782 return; 7783 } 7784 PackageParser.Package p = mPackages.get(file.apk); 7785 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7786 // If we are doing this while in the middle of updating a library apk, 7787 // then we need to make sure to use that new apk for determining the 7788 // dependencies here. (We haven't yet finished committing the new apk 7789 // to the package manager state.) 7790 if (p == null || p.packageName.equals(changingLib.packageName)) { 7791 p = changingLib; 7792 } 7793 } 7794 if (p != null) { 7795 usesLibraryFiles.addAll(p.getAllCodePaths()); 7796 } 7797 } 7798 7799 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7800 PackageParser.Package changingLib) throws PackageManagerException { 7801 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7802 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7803 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7804 for (int i=0; i<N; i++) { 7805 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7806 if (file == null) { 7807 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7808 "Package " + pkg.packageName + " requires unavailable shared library " 7809 + pkg.usesLibraries.get(i) + "; failing!"); 7810 } 7811 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7812 } 7813 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7814 for (int i=0; i<N; i++) { 7815 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7816 if (file == null) { 7817 Slog.w(TAG, "Package " + pkg.packageName 7818 + " desires unavailable shared library " 7819 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7820 } else { 7821 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7822 } 7823 } 7824 N = usesLibraryFiles.size(); 7825 if (N > 0) { 7826 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7827 } else { 7828 pkg.usesLibraryFiles = null; 7829 } 7830 } 7831 } 7832 7833 private static boolean hasString(List<String> list, List<String> which) { 7834 if (list == null) { 7835 return false; 7836 } 7837 for (int i=list.size()-1; i>=0; i--) { 7838 for (int j=which.size()-1; j>=0; j--) { 7839 if (which.get(j).equals(list.get(i))) { 7840 return true; 7841 } 7842 } 7843 } 7844 return false; 7845 } 7846 7847 private void updateAllSharedLibrariesLPw() { 7848 for (PackageParser.Package pkg : mPackages.values()) { 7849 try { 7850 updateSharedLibrariesLPw(pkg, null); 7851 } catch (PackageManagerException e) { 7852 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7853 } 7854 } 7855 } 7856 7857 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7858 PackageParser.Package changingPkg) { 7859 ArrayList<PackageParser.Package> res = null; 7860 for (PackageParser.Package pkg : mPackages.values()) { 7861 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7862 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7863 if (res == null) { 7864 res = new ArrayList<PackageParser.Package>(); 7865 } 7866 res.add(pkg); 7867 try { 7868 updateSharedLibrariesLPw(pkg, changingPkg); 7869 } catch (PackageManagerException e) { 7870 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7871 } 7872 } 7873 } 7874 return res; 7875 } 7876 7877 /** 7878 * Derive the value of the {@code cpuAbiOverride} based on the provided 7879 * value and an optional stored value from the package settings. 7880 */ 7881 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7882 String cpuAbiOverride = null; 7883 7884 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7885 cpuAbiOverride = null; 7886 } else if (abiOverride != null) { 7887 cpuAbiOverride = abiOverride; 7888 } else if (settings != null) { 7889 cpuAbiOverride = settings.cpuAbiOverrideString; 7890 } 7891 7892 return cpuAbiOverride; 7893 } 7894 7895 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7896 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7897 throws PackageManagerException { 7898 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7899 // If the package has children and this is the first dive in the function 7900 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7901 // whether all packages (parent and children) would be successfully scanned 7902 // before the actual scan since scanning mutates internal state and we want 7903 // to atomically install the package and its children. 7904 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7905 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7906 scanFlags |= SCAN_CHECK_ONLY; 7907 } 7908 } else { 7909 scanFlags &= ~SCAN_CHECK_ONLY; 7910 } 7911 7912 final PackageParser.Package scannedPkg; 7913 try { 7914 // Scan the parent 7915 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7916 // Scan the children 7917 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7918 for (int i = 0; i < childCount; i++) { 7919 PackageParser.Package childPkg = pkg.childPackages.get(i); 7920 scanPackageLI(childPkg, policyFlags, 7921 scanFlags, currentTime, user); 7922 } 7923 } finally { 7924 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7925 } 7926 7927 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7928 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7929 } 7930 7931 return scannedPkg; 7932 } 7933 7934 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7935 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7936 boolean success = false; 7937 try { 7938 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7939 currentTime, user); 7940 success = true; 7941 return res; 7942 } finally { 7943 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7944 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7945 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7946 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7947 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7948 } 7949 } 7950 } 7951 7952 /** 7953 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7954 */ 7955 private static boolean apkHasCode(String fileName) { 7956 StrictJarFile jarFile = null; 7957 try { 7958 jarFile = new StrictJarFile(fileName, 7959 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7960 return jarFile.findEntry("classes.dex") != null; 7961 } catch (IOException ignore) { 7962 } finally { 7963 try { 7964 jarFile.close(); 7965 } catch (IOException ignore) {} 7966 } 7967 return false; 7968 } 7969 7970 /** 7971 * Enforces code policy for the package. This ensures that if an APK has 7972 * declared hasCode="true" in its manifest that the APK actually contains 7973 * code. 7974 * 7975 * @throws PackageManagerException If bytecode could not be found when it should exist 7976 */ 7977 private static void enforceCodePolicy(PackageParser.Package pkg) 7978 throws PackageManagerException { 7979 final boolean shouldHaveCode = 7980 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7981 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7982 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7983 "Package " + pkg.baseCodePath + " code is missing"); 7984 } 7985 7986 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7987 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7988 final boolean splitShouldHaveCode = 7989 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7990 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7991 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7992 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7993 } 7994 } 7995 } 7996 } 7997 7998 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7999 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8000 throws PackageManagerException { 8001 final File scanFile = new File(pkg.codePath); 8002 if (pkg.applicationInfo.getCodePath() == null || 8003 pkg.applicationInfo.getResourcePath() == null) { 8004 // Bail out. The resource and code paths haven't been set. 8005 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8006 "Code and resource paths haven't been set correctly"); 8007 } 8008 8009 // Apply policy 8010 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8011 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8012 if (pkg.applicationInfo.isDirectBootAware()) { 8013 // we're direct boot aware; set for all components 8014 for (PackageParser.Service s : pkg.services) { 8015 s.info.encryptionAware = s.info.directBootAware = true; 8016 } 8017 for (PackageParser.Provider p : pkg.providers) { 8018 p.info.encryptionAware = p.info.directBootAware = true; 8019 } 8020 for (PackageParser.Activity a : pkg.activities) { 8021 a.info.encryptionAware = a.info.directBootAware = true; 8022 } 8023 for (PackageParser.Activity r : pkg.receivers) { 8024 r.info.encryptionAware = r.info.directBootAware = true; 8025 } 8026 } 8027 } else { 8028 // Only allow system apps to be flagged as core apps. 8029 pkg.coreApp = false; 8030 // clear flags not applicable to regular apps 8031 pkg.applicationInfo.privateFlags &= 8032 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8033 pkg.applicationInfo.privateFlags &= 8034 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8035 } 8036 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8037 8038 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8039 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8040 } 8041 8042 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8043 enforceCodePolicy(pkg); 8044 } 8045 8046 if (mCustomResolverComponentName != null && 8047 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8048 setUpCustomResolverActivity(pkg); 8049 } 8050 8051 if (pkg.packageName.equals("android")) { 8052 synchronized (mPackages) { 8053 if (mAndroidApplication != null) { 8054 Slog.w(TAG, "*************************************************"); 8055 Slog.w(TAG, "Core android package being redefined. Skipping."); 8056 Slog.w(TAG, " file=" + scanFile); 8057 Slog.w(TAG, "*************************************************"); 8058 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8059 "Core android package being redefined. Skipping."); 8060 } 8061 8062 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8063 // Set up information for our fall-back user intent resolution activity. 8064 mPlatformPackage = pkg; 8065 pkg.mVersionCode = mSdkVersion; 8066 mAndroidApplication = pkg.applicationInfo; 8067 8068 if (!mResolverReplaced) { 8069 mResolveActivity.applicationInfo = mAndroidApplication; 8070 mResolveActivity.name = ResolverActivity.class.getName(); 8071 mResolveActivity.packageName = mAndroidApplication.packageName; 8072 mResolveActivity.processName = "system:ui"; 8073 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8074 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8075 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8076 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8077 mResolveActivity.exported = true; 8078 mResolveActivity.enabled = true; 8079 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8080 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8081 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8082 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8083 | ActivityInfo.CONFIG_ORIENTATION 8084 | ActivityInfo.CONFIG_KEYBOARD 8085 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8086 mResolveInfo.activityInfo = mResolveActivity; 8087 mResolveInfo.priority = 0; 8088 mResolveInfo.preferredOrder = 0; 8089 mResolveInfo.match = 0; 8090 mResolveComponentName = new ComponentName( 8091 mAndroidApplication.packageName, mResolveActivity.name); 8092 } 8093 } 8094 } 8095 } 8096 8097 if (DEBUG_PACKAGE_SCANNING) { 8098 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8099 Log.d(TAG, "Scanning package " + pkg.packageName); 8100 } 8101 8102 synchronized (mPackages) { 8103 if (mPackages.containsKey(pkg.packageName) 8104 || mSharedLibraries.containsKey(pkg.packageName)) { 8105 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8106 "Application package " + pkg.packageName 8107 + " already installed. Skipping duplicate."); 8108 } 8109 8110 // If we're only installing presumed-existing packages, require that the 8111 // scanned APK is both already known and at the path previously established 8112 // for it. Previously unknown packages we pick up normally, but if we have an 8113 // a priori expectation about this package's install presence, enforce it. 8114 // With a singular exception for new system packages. When an OTA contains 8115 // a new system package, we allow the codepath to change from a system location 8116 // to the user-installed location. If we don't allow this change, any newer, 8117 // user-installed version of the application will be ignored. 8118 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8119 if (mExpectingBetter.containsKey(pkg.packageName)) { 8120 logCriticalInfo(Log.WARN, 8121 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8122 } else { 8123 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8124 if (known != null) { 8125 if (DEBUG_PACKAGE_SCANNING) { 8126 Log.d(TAG, "Examining " + pkg.codePath 8127 + " and requiring known paths " + known.codePathString 8128 + " & " + known.resourcePathString); 8129 } 8130 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8131 || !pkg.applicationInfo.getResourcePath().equals( 8132 known.resourcePathString)) { 8133 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8134 "Application package " + pkg.packageName 8135 + " found at " + pkg.applicationInfo.getCodePath() 8136 + " but expected at " + known.codePathString 8137 + "; ignoring."); 8138 } 8139 } 8140 } 8141 } 8142 } 8143 8144 // Initialize package source and resource directories 8145 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8146 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8147 8148 SharedUserSetting suid = null; 8149 PackageSetting pkgSetting = null; 8150 8151 if (!isSystemApp(pkg)) { 8152 // Only system apps can use these features. 8153 pkg.mOriginalPackages = null; 8154 pkg.mRealPackage = null; 8155 pkg.mAdoptPermissions = null; 8156 } 8157 8158 // Getting the package setting may have a side-effect, so if we 8159 // are only checking if scan would succeed, stash a copy of the 8160 // old setting to restore at the end. 8161 PackageSetting nonMutatedPs = null; 8162 8163 // writer 8164 synchronized (mPackages) { 8165 if (pkg.mSharedUserId != null) { 8166 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8167 if (suid == null) { 8168 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8169 "Creating application package " + pkg.packageName 8170 + " for shared user failed"); 8171 } 8172 if (DEBUG_PACKAGE_SCANNING) { 8173 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8174 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8175 + "): packages=" + suid.packages); 8176 } 8177 } 8178 8179 // Check if we are renaming from an original package name. 8180 PackageSetting origPackage = null; 8181 String realName = null; 8182 if (pkg.mOriginalPackages != null) { 8183 // This package may need to be renamed to a previously 8184 // installed name. Let's check on that... 8185 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8186 if (pkg.mOriginalPackages.contains(renamed)) { 8187 // This package had originally been installed as the 8188 // original name, and we have already taken care of 8189 // transitioning to the new one. Just update the new 8190 // one to continue using the old name. 8191 realName = pkg.mRealPackage; 8192 if (!pkg.packageName.equals(renamed)) { 8193 // Callers into this function may have already taken 8194 // care of renaming the package; only do it here if 8195 // it is not already done. 8196 pkg.setPackageName(renamed); 8197 } 8198 8199 } else { 8200 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8201 if ((origPackage = mSettings.peekPackageLPr( 8202 pkg.mOriginalPackages.get(i))) != null) { 8203 // We do have the package already installed under its 8204 // original name... should we use it? 8205 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8206 // New package is not compatible with original. 8207 origPackage = null; 8208 continue; 8209 } else if (origPackage.sharedUser != null) { 8210 // Make sure uid is compatible between packages. 8211 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8212 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8213 + " to " + pkg.packageName + ": old uid " 8214 + origPackage.sharedUser.name 8215 + " differs from " + pkg.mSharedUserId); 8216 origPackage = null; 8217 continue; 8218 } 8219 // TODO: Add case when shared user id is added [b/28144775] 8220 } else { 8221 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8222 + pkg.packageName + " to old name " + origPackage.name); 8223 } 8224 break; 8225 } 8226 } 8227 } 8228 } 8229 8230 if (mTransferedPackages.contains(pkg.packageName)) { 8231 Slog.w(TAG, "Package " + pkg.packageName 8232 + " was transferred to another, but its .apk remains"); 8233 } 8234 8235 // See comments in nonMutatedPs declaration 8236 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8237 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8238 if (foundPs != null) { 8239 nonMutatedPs = new PackageSetting(foundPs); 8240 } 8241 } 8242 8243 // Just create the setting, don't add it yet. For already existing packages 8244 // the PkgSetting exists already and doesn't have to be created. 8245 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8246 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8247 pkg.applicationInfo.primaryCpuAbi, 8248 pkg.applicationInfo.secondaryCpuAbi, 8249 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8250 user, false); 8251 if (pkgSetting == null) { 8252 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8253 "Creating application package " + pkg.packageName + " failed"); 8254 } 8255 8256 if (pkgSetting.origPackage != null) { 8257 // If we are first transitioning from an original package, 8258 // fix up the new package's name now. We need to do this after 8259 // looking up the package under its new name, so getPackageLP 8260 // can take care of fiddling things correctly. 8261 pkg.setPackageName(origPackage.name); 8262 8263 // File a report about this. 8264 String msg = "New package " + pkgSetting.realName 8265 + " renamed to replace old package " + pkgSetting.name; 8266 reportSettingsProblem(Log.WARN, msg); 8267 8268 // Make a note of it. 8269 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8270 mTransferedPackages.add(origPackage.name); 8271 } 8272 8273 // No longer need to retain this. 8274 pkgSetting.origPackage = null; 8275 } 8276 8277 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8278 // Make a note of it. 8279 mTransferedPackages.add(pkg.packageName); 8280 } 8281 8282 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8283 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8284 } 8285 8286 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8287 // Check all shared libraries and map to their actual file path. 8288 // We only do this here for apps not on a system dir, because those 8289 // are the only ones that can fail an install due to this. We 8290 // will take care of the system apps by updating all of their 8291 // library paths after the scan is done. 8292 updateSharedLibrariesLPw(pkg, null); 8293 } 8294 8295 if (mFoundPolicyFile) { 8296 SELinuxMMAC.assignSeinfoValue(pkg); 8297 } 8298 8299 pkg.applicationInfo.uid = pkgSetting.appId; 8300 pkg.mExtras = pkgSetting; 8301 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8302 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8303 // We just determined the app is signed correctly, so bring 8304 // over the latest parsed certs. 8305 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8306 } else { 8307 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8308 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8309 "Package " + pkg.packageName + " upgrade keys do not match the " 8310 + "previously installed version"); 8311 } else { 8312 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8313 String msg = "System package " + pkg.packageName 8314 + " signature changed; retaining data."; 8315 reportSettingsProblem(Log.WARN, msg); 8316 } 8317 } 8318 } else { 8319 try { 8320 verifySignaturesLP(pkgSetting, pkg); 8321 // We just determined the app is signed correctly, so bring 8322 // over the latest parsed certs. 8323 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8324 } catch (PackageManagerException e) { 8325 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8326 throw e; 8327 } 8328 // The signature has changed, but this package is in the system 8329 // image... let's recover! 8330 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8331 // However... if this package is part of a shared user, but it 8332 // doesn't match the signature of the shared user, let's fail. 8333 // What this means is that you can't change the signatures 8334 // associated with an overall shared user, which doesn't seem all 8335 // that unreasonable. 8336 if (pkgSetting.sharedUser != null) { 8337 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8338 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8339 throw new PackageManagerException( 8340 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8341 "Signature mismatch for shared user: " 8342 + pkgSetting.sharedUser); 8343 } 8344 } 8345 // File a report about this. 8346 String msg = "System package " + pkg.packageName 8347 + " signature changed; retaining data."; 8348 reportSettingsProblem(Log.WARN, msg); 8349 } 8350 } 8351 // Verify that this new package doesn't have any content providers 8352 // that conflict with existing packages. Only do this if the 8353 // package isn't already installed, since we don't want to break 8354 // things that are installed. 8355 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8356 final int N = pkg.providers.size(); 8357 int i; 8358 for (i=0; i<N; i++) { 8359 PackageParser.Provider p = pkg.providers.get(i); 8360 if (p.info.authority != null) { 8361 String names[] = p.info.authority.split(";"); 8362 for (int j = 0; j < names.length; j++) { 8363 if (mProvidersByAuthority.containsKey(names[j])) { 8364 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8365 final String otherPackageName = 8366 ((other != null && other.getComponentName() != null) ? 8367 other.getComponentName().getPackageName() : "?"); 8368 throw new PackageManagerException( 8369 INSTALL_FAILED_CONFLICTING_PROVIDER, 8370 "Can't install because provider name " + names[j] 8371 + " (in package " + pkg.applicationInfo.packageName 8372 + ") is already used by " + otherPackageName); 8373 } 8374 } 8375 } 8376 } 8377 } 8378 8379 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8380 // This package wants to adopt ownership of permissions from 8381 // another package. 8382 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8383 final String origName = pkg.mAdoptPermissions.get(i); 8384 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8385 if (orig != null) { 8386 if (verifyPackageUpdateLPr(orig, pkg)) { 8387 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8388 + pkg.packageName); 8389 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8390 } 8391 } 8392 } 8393 } 8394 } 8395 8396 final String pkgName = pkg.packageName; 8397 8398 final long scanFileTime = scanFile.lastModified(); 8399 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8400 pkg.applicationInfo.processName = fixProcessName( 8401 pkg.applicationInfo.packageName, 8402 pkg.applicationInfo.processName, 8403 pkg.applicationInfo.uid); 8404 8405 if (pkg != mPlatformPackage) { 8406 // Get all of our default paths setup 8407 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8408 } 8409 8410 final String path = scanFile.getPath(); 8411 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8412 8413 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8414 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8415 8416 // Some system apps still use directory structure for native libraries 8417 // in which case we might end up not detecting abi solely based on apk 8418 // structure. Try to detect abi based on directory structure. 8419 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8420 pkg.applicationInfo.primaryCpuAbi == null) { 8421 setBundledAppAbisAndRoots(pkg, pkgSetting); 8422 setNativeLibraryPaths(pkg); 8423 } 8424 8425 } else { 8426 if ((scanFlags & SCAN_MOVE) != 0) { 8427 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8428 // but we already have this packages package info in the PackageSetting. We just 8429 // use that and derive the native library path based on the new codepath. 8430 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8431 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8432 } 8433 8434 // Set native library paths again. For moves, the path will be updated based on the 8435 // ABIs we've determined above. For non-moves, the path will be updated based on the 8436 // ABIs we determined during compilation, but the path will depend on the final 8437 // package path (after the rename away from the stage path). 8438 setNativeLibraryPaths(pkg); 8439 } 8440 8441 // This is a special case for the "system" package, where the ABI is 8442 // dictated by the zygote configuration (and init.rc). We should keep track 8443 // of this ABI so that we can deal with "normal" applications that run under 8444 // the same UID correctly. 8445 if (mPlatformPackage == pkg) { 8446 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8447 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8448 } 8449 8450 // If there's a mismatch between the abi-override in the package setting 8451 // and the abiOverride specified for the install. Warn about this because we 8452 // would've already compiled the app without taking the package setting into 8453 // account. 8454 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8455 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8456 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8457 " for package " + pkg.packageName); 8458 } 8459 } 8460 8461 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8462 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8463 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8464 8465 // Copy the derived override back to the parsed package, so that we can 8466 // update the package settings accordingly. 8467 pkg.cpuAbiOverride = cpuAbiOverride; 8468 8469 if (DEBUG_ABI_SELECTION) { 8470 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8471 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8472 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8473 } 8474 8475 // Push the derived path down into PackageSettings so we know what to 8476 // clean up at uninstall time. 8477 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8478 8479 if (DEBUG_ABI_SELECTION) { 8480 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8481 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8482 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8483 } 8484 8485 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8486 // We don't do this here during boot because we can do it all 8487 // at once after scanning all existing packages. 8488 // 8489 // We also do this *before* we perform dexopt on this package, so that 8490 // we can avoid redundant dexopts, and also to make sure we've got the 8491 // code and package path correct. 8492 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8493 pkg, true /* boot complete */); 8494 } 8495 8496 if (mFactoryTest && pkg.requestedPermissions.contains( 8497 android.Manifest.permission.FACTORY_TEST)) { 8498 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8499 } 8500 8501 ArrayList<PackageParser.Package> clientLibPkgs = null; 8502 8503 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8504 if (nonMutatedPs != null) { 8505 synchronized (mPackages) { 8506 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8507 } 8508 } 8509 return pkg; 8510 } 8511 8512 // Only privileged apps and updated privileged apps can add child packages. 8513 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8514 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8515 throw new PackageManagerException("Only privileged apps and updated " 8516 + "privileged apps can add child packages. Ignoring package " 8517 + pkg.packageName); 8518 } 8519 final int childCount = pkg.childPackages.size(); 8520 for (int i = 0; i < childCount; i++) { 8521 PackageParser.Package childPkg = pkg.childPackages.get(i); 8522 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8523 childPkg.packageName)) { 8524 throw new PackageManagerException("Cannot override a child package of " 8525 + "another disabled system app. Ignoring package " + pkg.packageName); 8526 } 8527 } 8528 } 8529 8530 // writer 8531 synchronized (mPackages) { 8532 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8533 // Only system apps can add new shared libraries. 8534 if (pkg.libraryNames != null) { 8535 for (int i=0; i<pkg.libraryNames.size(); i++) { 8536 String name = pkg.libraryNames.get(i); 8537 boolean allowed = false; 8538 if (pkg.isUpdatedSystemApp()) { 8539 // New library entries can only be added through the 8540 // system image. This is important to get rid of a lot 8541 // of nasty edge cases: for example if we allowed a non- 8542 // system update of the app to add a library, then uninstalling 8543 // the update would make the library go away, and assumptions 8544 // we made such as through app install filtering would now 8545 // have allowed apps on the device which aren't compatible 8546 // with it. Better to just have the restriction here, be 8547 // conservative, and create many fewer cases that can negatively 8548 // impact the user experience. 8549 final PackageSetting sysPs = mSettings 8550 .getDisabledSystemPkgLPr(pkg.packageName); 8551 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8552 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8553 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8554 allowed = true; 8555 break; 8556 } 8557 } 8558 } 8559 } else { 8560 allowed = true; 8561 } 8562 if (allowed) { 8563 if (!mSharedLibraries.containsKey(name)) { 8564 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8565 } else if (!name.equals(pkg.packageName)) { 8566 Slog.w(TAG, "Package " + pkg.packageName + " library " 8567 + name + " already exists; skipping"); 8568 } 8569 } else { 8570 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8571 + name + " that is not declared on system image; skipping"); 8572 } 8573 } 8574 if ((scanFlags & SCAN_BOOTING) == 0) { 8575 // If we are not booting, we need to update any applications 8576 // that are clients of our shared library. If we are booting, 8577 // this will all be done once the scan is complete. 8578 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8579 } 8580 } 8581 } 8582 } 8583 8584 if ((scanFlags & SCAN_BOOTING) != 0) { 8585 // No apps can run during boot scan, so they don't need to be frozen 8586 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8587 // Caller asked to not kill app, so it's probably not frozen 8588 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8589 // Caller asked us to ignore frozen check for some reason; they 8590 // probably didn't know the package name 8591 } else { 8592 // We're doing major surgery on this package, so it better be frozen 8593 // right now to keep it from launching 8594 checkPackageFrozen(pkgName); 8595 } 8596 8597 // Also need to kill any apps that are dependent on the library. 8598 if (clientLibPkgs != null) { 8599 for (int i=0; i<clientLibPkgs.size(); i++) { 8600 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8601 killApplication(clientPkg.applicationInfo.packageName, 8602 clientPkg.applicationInfo.uid, "update lib"); 8603 } 8604 } 8605 8606 // Make sure we're not adding any bogus keyset info 8607 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8608 ksms.assertScannedPackageValid(pkg); 8609 8610 // writer 8611 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8612 8613 boolean createIdmapFailed = false; 8614 synchronized (mPackages) { 8615 // We don't expect installation to fail beyond this point 8616 8617 if (pkgSetting.pkg != null) { 8618 // Note that |user| might be null during the initial boot scan. If a codePath 8619 // for an app has changed during a boot scan, it's due to an app update that's 8620 // part of the system partition and marker changes must be applied to all users. 8621 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8622 (user != null) ? user : UserHandle.ALL); 8623 } 8624 8625 // Add the new setting to mSettings 8626 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8627 // Add the new setting to mPackages 8628 mPackages.put(pkg.applicationInfo.packageName, pkg); 8629 // Make sure we don't accidentally delete its data. 8630 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8631 while (iter.hasNext()) { 8632 PackageCleanItem item = iter.next(); 8633 if (pkgName.equals(item.packageName)) { 8634 iter.remove(); 8635 } 8636 } 8637 8638 // Take care of first install / last update times. 8639 if (currentTime != 0) { 8640 if (pkgSetting.firstInstallTime == 0) { 8641 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8642 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8643 pkgSetting.lastUpdateTime = currentTime; 8644 } 8645 } else if (pkgSetting.firstInstallTime == 0) { 8646 // We need *something*. Take time time stamp of the file. 8647 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8648 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8649 if (scanFileTime != pkgSetting.timeStamp) { 8650 // A package on the system image has changed; consider this 8651 // to be an update. 8652 pkgSetting.lastUpdateTime = scanFileTime; 8653 } 8654 } 8655 8656 // Add the package's KeySets to the global KeySetManagerService 8657 ksms.addScannedPackageLPw(pkg); 8658 8659 int N = pkg.providers.size(); 8660 StringBuilder r = null; 8661 int i; 8662 for (i=0; i<N; i++) { 8663 PackageParser.Provider p = pkg.providers.get(i); 8664 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8665 p.info.processName, pkg.applicationInfo.uid); 8666 mProviders.addProvider(p); 8667 p.syncable = p.info.isSyncable; 8668 if (p.info.authority != null) { 8669 String names[] = p.info.authority.split(";"); 8670 p.info.authority = null; 8671 for (int j = 0; j < names.length; j++) { 8672 if (j == 1 && p.syncable) { 8673 // We only want the first authority for a provider to possibly be 8674 // syncable, so if we already added this provider using a different 8675 // authority clear the syncable flag. We copy the provider before 8676 // changing it because the mProviders object contains a reference 8677 // to a provider that we don't want to change. 8678 // Only do this for the second authority since the resulting provider 8679 // object can be the same for all future authorities for this provider. 8680 p = new PackageParser.Provider(p); 8681 p.syncable = false; 8682 } 8683 if (!mProvidersByAuthority.containsKey(names[j])) { 8684 mProvidersByAuthority.put(names[j], p); 8685 if (p.info.authority == null) { 8686 p.info.authority = names[j]; 8687 } else { 8688 p.info.authority = p.info.authority + ";" + names[j]; 8689 } 8690 if (DEBUG_PACKAGE_SCANNING) { 8691 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8692 Log.d(TAG, "Registered content provider: " + names[j] 8693 + ", className = " + p.info.name + ", isSyncable = " 8694 + p.info.isSyncable); 8695 } 8696 } else { 8697 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8698 Slog.w(TAG, "Skipping provider name " + names[j] + 8699 " (in package " + pkg.applicationInfo.packageName + 8700 "): name already used by " 8701 + ((other != null && other.getComponentName() != null) 8702 ? other.getComponentName().getPackageName() : "?")); 8703 } 8704 } 8705 } 8706 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8707 if (r == null) { 8708 r = new StringBuilder(256); 8709 } else { 8710 r.append(' '); 8711 } 8712 r.append(p.info.name); 8713 } 8714 } 8715 if (r != null) { 8716 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8717 } 8718 8719 N = pkg.services.size(); 8720 r = null; 8721 for (i=0; i<N; i++) { 8722 PackageParser.Service s = pkg.services.get(i); 8723 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8724 s.info.processName, pkg.applicationInfo.uid); 8725 mServices.addService(s); 8726 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8727 if (r == null) { 8728 r = new StringBuilder(256); 8729 } else { 8730 r.append(' '); 8731 } 8732 r.append(s.info.name); 8733 } 8734 } 8735 if (r != null) { 8736 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8737 } 8738 8739 N = pkg.receivers.size(); 8740 r = null; 8741 for (i=0; i<N; i++) { 8742 PackageParser.Activity a = pkg.receivers.get(i); 8743 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8744 a.info.processName, pkg.applicationInfo.uid); 8745 mReceivers.addActivity(a, "receiver"); 8746 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8747 if (r == null) { 8748 r = new StringBuilder(256); 8749 } else { 8750 r.append(' '); 8751 } 8752 r.append(a.info.name); 8753 } 8754 } 8755 if (r != null) { 8756 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8757 } 8758 8759 N = pkg.activities.size(); 8760 r = null; 8761 for (i=0; i<N; i++) { 8762 PackageParser.Activity a = pkg.activities.get(i); 8763 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8764 a.info.processName, pkg.applicationInfo.uid); 8765 mActivities.addActivity(a, "activity"); 8766 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8767 if (r == null) { 8768 r = new StringBuilder(256); 8769 } else { 8770 r.append(' '); 8771 } 8772 r.append(a.info.name); 8773 } 8774 } 8775 if (r != null) { 8776 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8777 } 8778 8779 N = pkg.permissionGroups.size(); 8780 r = null; 8781 for (i=0; i<N; i++) { 8782 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8783 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8784 if (cur == null) { 8785 mPermissionGroups.put(pg.info.name, pg); 8786 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8787 if (r == null) { 8788 r = new StringBuilder(256); 8789 } else { 8790 r.append(' '); 8791 } 8792 r.append(pg.info.name); 8793 } 8794 } else { 8795 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8796 + pg.info.packageName + " ignored: original from " 8797 + cur.info.packageName); 8798 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8799 if (r == null) { 8800 r = new StringBuilder(256); 8801 } else { 8802 r.append(' '); 8803 } 8804 r.append("DUP:"); 8805 r.append(pg.info.name); 8806 } 8807 } 8808 } 8809 if (r != null) { 8810 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8811 } 8812 8813 N = pkg.permissions.size(); 8814 r = null; 8815 for (i=0; i<N; i++) { 8816 PackageParser.Permission p = pkg.permissions.get(i); 8817 8818 // Assume by default that we did not install this permission into the system. 8819 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8820 8821 // Now that permission groups have a special meaning, we ignore permission 8822 // groups for legacy apps to prevent unexpected behavior. In particular, 8823 // permissions for one app being granted to someone just becase they happen 8824 // to be in a group defined by another app (before this had no implications). 8825 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8826 p.group = mPermissionGroups.get(p.info.group); 8827 // Warn for a permission in an unknown group. 8828 if (p.info.group != null && p.group == null) { 8829 Slog.w(TAG, "Permission " + p.info.name + " from package " 8830 + p.info.packageName + " in an unknown group " + p.info.group); 8831 } 8832 } 8833 8834 ArrayMap<String, BasePermission> permissionMap = 8835 p.tree ? mSettings.mPermissionTrees 8836 : mSettings.mPermissions; 8837 BasePermission bp = permissionMap.get(p.info.name); 8838 8839 // Allow system apps to redefine non-system permissions 8840 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8841 final boolean currentOwnerIsSystem = (bp.perm != null 8842 && isSystemApp(bp.perm.owner)); 8843 if (isSystemApp(p.owner)) { 8844 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8845 // It's a built-in permission and no owner, take ownership now 8846 bp.packageSetting = pkgSetting; 8847 bp.perm = p; 8848 bp.uid = pkg.applicationInfo.uid; 8849 bp.sourcePackage = p.info.packageName; 8850 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8851 } else if (!currentOwnerIsSystem) { 8852 String msg = "New decl " + p.owner + " of permission " 8853 + p.info.name + " is system; overriding " + bp.sourcePackage; 8854 reportSettingsProblem(Log.WARN, msg); 8855 bp = null; 8856 } 8857 } 8858 } 8859 8860 if (bp == null) { 8861 bp = new BasePermission(p.info.name, p.info.packageName, 8862 BasePermission.TYPE_NORMAL); 8863 permissionMap.put(p.info.name, bp); 8864 } 8865 8866 if (bp.perm == null) { 8867 if (bp.sourcePackage == null 8868 || bp.sourcePackage.equals(p.info.packageName)) { 8869 BasePermission tree = findPermissionTreeLP(p.info.name); 8870 if (tree == null 8871 || tree.sourcePackage.equals(p.info.packageName)) { 8872 bp.packageSetting = pkgSetting; 8873 bp.perm = p; 8874 bp.uid = pkg.applicationInfo.uid; 8875 bp.sourcePackage = p.info.packageName; 8876 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8877 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8878 if (r == null) { 8879 r = new StringBuilder(256); 8880 } else { 8881 r.append(' '); 8882 } 8883 r.append(p.info.name); 8884 } 8885 } else { 8886 Slog.w(TAG, "Permission " + p.info.name + " from package " 8887 + p.info.packageName + " ignored: base tree " 8888 + tree.name + " is from package " 8889 + tree.sourcePackage); 8890 } 8891 } else { 8892 Slog.w(TAG, "Permission " + p.info.name + " from package " 8893 + p.info.packageName + " ignored: original from " 8894 + bp.sourcePackage); 8895 } 8896 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8897 if (r == null) { 8898 r = new StringBuilder(256); 8899 } else { 8900 r.append(' '); 8901 } 8902 r.append("DUP:"); 8903 r.append(p.info.name); 8904 } 8905 if (bp.perm == p) { 8906 bp.protectionLevel = p.info.protectionLevel; 8907 } 8908 } 8909 8910 if (r != null) { 8911 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8912 } 8913 8914 N = pkg.instrumentation.size(); 8915 r = null; 8916 for (i=0; i<N; i++) { 8917 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8918 a.info.packageName = pkg.applicationInfo.packageName; 8919 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8920 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8921 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8922 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8923 a.info.dataDir = pkg.applicationInfo.dataDir; 8924 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8925 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8926 8927 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8928 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8929 mInstrumentation.put(a.getComponentName(), a); 8930 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8931 if (r == null) { 8932 r = new StringBuilder(256); 8933 } else { 8934 r.append(' '); 8935 } 8936 r.append(a.info.name); 8937 } 8938 } 8939 if (r != null) { 8940 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8941 } 8942 8943 if (pkg.protectedBroadcasts != null) { 8944 N = pkg.protectedBroadcasts.size(); 8945 for (i=0; i<N; i++) { 8946 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8947 } 8948 } 8949 8950 pkgSetting.setTimeStamp(scanFileTime); 8951 8952 // Create idmap files for pairs of (packages, overlay packages). 8953 // Note: "android", ie framework-res.apk, is handled by native layers. 8954 if (pkg.mOverlayTarget != null) { 8955 // This is an overlay package. 8956 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8957 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8958 mOverlays.put(pkg.mOverlayTarget, 8959 new ArrayMap<String, PackageParser.Package>()); 8960 } 8961 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8962 map.put(pkg.packageName, pkg); 8963 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8964 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8965 createIdmapFailed = true; 8966 } 8967 } 8968 } else if (mOverlays.containsKey(pkg.packageName) && 8969 !pkg.packageName.equals("android")) { 8970 // This is a regular package, with one or more known overlay packages. 8971 createIdmapsForPackageLI(pkg); 8972 } 8973 } 8974 8975 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8976 8977 if (createIdmapFailed) { 8978 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8979 "scanPackageLI failed to createIdmap"); 8980 } 8981 return pkg; 8982 } 8983 8984 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8985 PackageParser.Package update, UserHandle user) { 8986 if (existing.applicationInfo == null || update.applicationInfo == null) { 8987 // This isn't due to an app installation. 8988 return; 8989 } 8990 8991 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8992 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8993 8994 // The codePath hasn't changed, so there's nothing for us to do. 8995 if (Objects.equals(oldCodePath, newCodePath)) { 8996 return; 8997 } 8998 8999 File canonicalNewCodePath; 9000 try { 9001 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9002 } catch (IOException e) { 9003 Slog.w(TAG, "Failed to get canonical path.", e); 9004 return; 9005 } 9006 9007 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9008 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9009 // that the last component of the path (i.e, the name) doesn't need canonicalization 9010 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9011 // but may change in the future. Hopefully this function won't exist at that point. 9012 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9013 oldCodePath.getName()); 9014 9015 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9016 // with "@". 9017 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9018 if (!oldMarkerPrefix.endsWith("@")) { 9019 oldMarkerPrefix += "@"; 9020 } 9021 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9022 if (!newMarkerPrefix.endsWith("@")) { 9023 newMarkerPrefix += "@"; 9024 } 9025 9026 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9027 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9028 for (String updatedPath : updatedPaths) { 9029 String updatedPathName = new File(updatedPath).getName(); 9030 markerSuffixes.add(updatedPathName.replace('/', '@')); 9031 } 9032 9033 for (int userId : resolveUserIds(user.getIdentifier())) { 9034 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9035 9036 for (String markerSuffix : markerSuffixes) { 9037 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9038 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9039 if (oldForeignUseMark.exists()) { 9040 try { 9041 Os.rename(oldForeignUseMark.getAbsolutePath(), 9042 newForeignUseMark.getAbsolutePath()); 9043 } catch (ErrnoException e) { 9044 Slog.w(TAG, "Failed to rename foreign use marker", e); 9045 oldForeignUseMark.delete(); 9046 } 9047 } 9048 } 9049 } 9050 } 9051 9052 /** 9053 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9054 * is derived purely on the basis of the contents of {@code scanFile} and 9055 * {@code cpuAbiOverride}. 9056 * 9057 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9058 */ 9059 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9060 String cpuAbiOverride, boolean extractLibs) 9061 throws PackageManagerException { 9062 // TODO: We can probably be smarter about this stuff. For installed apps, 9063 // we can calculate this information at install time once and for all. For 9064 // system apps, we can probably assume that this information doesn't change 9065 // after the first boot scan. As things stand, we do lots of unnecessary work. 9066 9067 // Give ourselves some initial paths; we'll come back for another 9068 // pass once we've determined ABI below. 9069 setNativeLibraryPaths(pkg); 9070 9071 // We would never need to extract libs for forward-locked and external packages, 9072 // since the container service will do it for us. We shouldn't attempt to 9073 // extract libs from system app when it was not updated. 9074 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9075 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9076 extractLibs = false; 9077 } 9078 9079 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9080 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9081 9082 NativeLibraryHelper.Handle handle = null; 9083 try { 9084 handle = NativeLibraryHelper.Handle.create(pkg); 9085 // TODO(multiArch): This can be null for apps that didn't go through the 9086 // usual installation process. We can calculate it again, like we 9087 // do during install time. 9088 // 9089 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9090 // unnecessary. 9091 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9092 9093 // Null out the abis so that they can be recalculated. 9094 pkg.applicationInfo.primaryCpuAbi = null; 9095 pkg.applicationInfo.secondaryCpuAbi = null; 9096 if (isMultiArch(pkg.applicationInfo)) { 9097 // Warn if we've set an abiOverride for multi-lib packages.. 9098 // By definition, we need to copy both 32 and 64 bit libraries for 9099 // such packages. 9100 if (pkg.cpuAbiOverride != null 9101 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9102 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9103 } 9104 9105 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9106 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9107 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9108 if (extractLibs) { 9109 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9110 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9111 useIsaSpecificSubdirs); 9112 } else { 9113 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9114 } 9115 } 9116 9117 maybeThrowExceptionForMultiArchCopy( 9118 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9119 9120 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9121 if (extractLibs) { 9122 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9123 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9124 useIsaSpecificSubdirs); 9125 } else { 9126 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9127 } 9128 } 9129 9130 maybeThrowExceptionForMultiArchCopy( 9131 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9132 9133 if (abi64 >= 0) { 9134 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9135 } 9136 9137 if (abi32 >= 0) { 9138 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9139 if (abi64 >= 0) { 9140 if (pkg.use32bitAbi) { 9141 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9142 pkg.applicationInfo.primaryCpuAbi = abi; 9143 } else { 9144 pkg.applicationInfo.secondaryCpuAbi = abi; 9145 } 9146 } else { 9147 pkg.applicationInfo.primaryCpuAbi = abi; 9148 } 9149 } 9150 9151 } else { 9152 String[] abiList = (cpuAbiOverride != null) ? 9153 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9154 9155 // Enable gross and lame hacks for apps that are built with old 9156 // SDK tools. We must scan their APKs for renderscript bitcode and 9157 // not launch them if it's present. Don't bother checking on devices 9158 // that don't have 64 bit support. 9159 boolean needsRenderScriptOverride = false; 9160 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9161 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9162 abiList = Build.SUPPORTED_32_BIT_ABIS; 9163 needsRenderScriptOverride = true; 9164 } 9165 9166 final int copyRet; 9167 if (extractLibs) { 9168 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9169 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9170 } else { 9171 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9172 } 9173 9174 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9175 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9176 "Error unpackaging native libs for app, errorCode=" + copyRet); 9177 } 9178 9179 if (copyRet >= 0) { 9180 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9181 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9182 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9183 } else if (needsRenderScriptOverride) { 9184 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9185 } 9186 } 9187 } catch (IOException ioe) { 9188 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9189 } finally { 9190 IoUtils.closeQuietly(handle); 9191 } 9192 9193 // Now that we've calculated the ABIs and determined if it's an internal app, 9194 // we will go ahead and populate the nativeLibraryPath. 9195 setNativeLibraryPaths(pkg); 9196 } 9197 9198 /** 9199 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9200 * i.e, so that all packages can be run inside a single process if required. 9201 * 9202 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9203 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9204 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9205 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9206 * updating a package that belongs to a shared user. 9207 * 9208 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9209 * adds unnecessary complexity. 9210 */ 9211 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9212 PackageParser.Package scannedPackage, boolean bootComplete) { 9213 String requiredInstructionSet = null; 9214 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9215 requiredInstructionSet = VMRuntime.getInstructionSet( 9216 scannedPackage.applicationInfo.primaryCpuAbi); 9217 } 9218 9219 PackageSetting requirer = null; 9220 for (PackageSetting ps : packagesForUser) { 9221 // If packagesForUser contains scannedPackage, we skip it. This will happen 9222 // when scannedPackage is an update of an existing package. Without this check, 9223 // we will never be able to change the ABI of any package belonging to a shared 9224 // user, even if it's compatible with other packages. 9225 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9226 if (ps.primaryCpuAbiString == null) { 9227 continue; 9228 } 9229 9230 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9231 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9232 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9233 // this but there's not much we can do. 9234 String errorMessage = "Instruction set mismatch, " 9235 + ((requirer == null) ? "[caller]" : requirer) 9236 + " requires " + requiredInstructionSet + " whereas " + ps 9237 + " requires " + instructionSet; 9238 Slog.w(TAG, errorMessage); 9239 } 9240 9241 if (requiredInstructionSet == null) { 9242 requiredInstructionSet = instructionSet; 9243 requirer = ps; 9244 } 9245 } 9246 } 9247 9248 if (requiredInstructionSet != null) { 9249 String adjustedAbi; 9250 if (requirer != null) { 9251 // requirer != null implies that either scannedPackage was null or that scannedPackage 9252 // did not require an ABI, in which case we have to adjust scannedPackage to match 9253 // the ABI of the set (which is the same as requirer's ABI) 9254 adjustedAbi = requirer.primaryCpuAbiString; 9255 if (scannedPackage != null) { 9256 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9257 } 9258 } else { 9259 // requirer == null implies that we're updating all ABIs in the set to 9260 // match scannedPackage. 9261 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9262 } 9263 9264 for (PackageSetting ps : packagesForUser) { 9265 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9266 if (ps.primaryCpuAbiString != null) { 9267 continue; 9268 } 9269 9270 ps.primaryCpuAbiString = adjustedAbi; 9271 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9272 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9273 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9274 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9275 + " (requirer=" 9276 + (requirer == null ? "null" : requirer.pkg.packageName) 9277 + ", scannedPackage=" 9278 + (scannedPackage != null ? scannedPackage.packageName : "null") 9279 + ")"); 9280 try { 9281 mInstaller.rmdex(ps.codePathString, 9282 getDexCodeInstructionSet(getPreferredInstructionSet())); 9283 } catch (InstallerException ignored) { 9284 } 9285 } 9286 } 9287 } 9288 } 9289 } 9290 9291 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9292 synchronized (mPackages) { 9293 mResolverReplaced = true; 9294 // Set up information for custom user intent resolution activity. 9295 mResolveActivity.applicationInfo = pkg.applicationInfo; 9296 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9297 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9298 mResolveActivity.processName = pkg.applicationInfo.packageName; 9299 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9300 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9301 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9302 mResolveActivity.theme = 0; 9303 mResolveActivity.exported = true; 9304 mResolveActivity.enabled = true; 9305 mResolveInfo.activityInfo = mResolveActivity; 9306 mResolveInfo.priority = 0; 9307 mResolveInfo.preferredOrder = 0; 9308 mResolveInfo.match = 0; 9309 mResolveComponentName = mCustomResolverComponentName; 9310 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9311 mResolveComponentName); 9312 } 9313 } 9314 9315 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9316 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9317 9318 // Set up information for ephemeral installer activity 9319 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9320 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9321 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9322 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9323 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9324 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9325 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9326 mEphemeralInstallerActivity.theme = 0; 9327 mEphemeralInstallerActivity.exported = true; 9328 mEphemeralInstallerActivity.enabled = true; 9329 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9330 mEphemeralInstallerInfo.priority = 0; 9331 mEphemeralInstallerInfo.preferredOrder = 0; 9332 mEphemeralInstallerInfo.match = 0; 9333 9334 if (DEBUG_EPHEMERAL) { 9335 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9336 } 9337 } 9338 9339 private static String calculateBundledApkRoot(final String codePathString) { 9340 final File codePath = new File(codePathString); 9341 final File codeRoot; 9342 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9343 codeRoot = Environment.getRootDirectory(); 9344 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9345 codeRoot = Environment.getOemDirectory(); 9346 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9347 codeRoot = Environment.getVendorDirectory(); 9348 } else { 9349 // Unrecognized code path; take its top real segment as the apk root: 9350 // e.g. /something/app/blah.apk => /something 9351 try { 9352 File f = codePath.getCanonicalFile(); 9353 File parent = f.getParentFile(); // non-null because codePath is a file 9354 File tmp; 9355 while ((tmp = parent.getParentFile()) != null) { 9356 f = parent; 9357 parent = tmp; 9358 } 9359 codeRoot = f; 9360 Slog.w(TAG, "Unrecognized code path " 9361 + codePath + " - using " + codeRoot); 9362 } catch (IOException e) { 9363 // Can't canonicalize the code path -- shenanigans? 9364 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9365 return Environment.getRootDirectory().getPath(); 9366 } 9367 } 9368 return codeRoot.getPath(); 9369 } 9370 9371 /** 9372 * Derive and set the location of native libraries for the given package, 9373 * which varies depending on where and how the package was installed. 9374 */ 9375 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9376 final ApplicationInfo info = pkg.applicationInfo; 9377 final String codePath = pkg.codePath; 9378 final File codeFile = new File(codePath); 9379 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9380 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9381 9382 info.nativeLibraryRootDir = null; 9383 info.nativeLibraryRootRequiresIsa = false; 9384 info.nativeLibraryDir = null; 9385 info.secondaryNativeLibraryDir = null; 9386 9387 if (isApkFile(codeFile)) { 9388 // Monolithic install 9389 if (bundledApp) { 9390 // If "/system/lib64/apkname" exists, assume that is the per-package 9391 // native library directory to use; otherwise use "/system/lib/apkname". 9392 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9393 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9394 getPrimaryInstructionSet(info)); 9395 9396 // This is a bundled system app so choose the path based on the ABI. 9397 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9398 // is just the default path. 9399 final String apkName = deriveCodePathName(codePath); 9400 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9401 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9402 apkName).getAbsolutePath(); 9403 9404 if (info.secondaryCpuAbi != null) { 9405 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9406 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9407 secondaryLibDir, apkName).getAbsolutePath(); 9408 } 9409 } else if (asecApp) { 9410 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9411 .getAbsolutePath(); 9412 } else { 9413 final String apkName = deriveCodePathName(codePath); 9414 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9415 .getAbsolutePath(); 9416 } 9417 9418 info.nativeLibraryRootRequiresIsa = false; 9419 info.nativeLibraryDir = info.nativeLibraryRootDir; 9420 } else { 9421 // Cluster install 9422 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9423 info.nativeLibraryRootRequiresIsa = true; 9424 9425 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9426 getPrimaryInstructionSet(info)).getAbsolutePath(); 9427 9428 if (info.secondaryCpuAbi != null) { 9429 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9430 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9431 } 9432 } 9433 } 9434 9435 /** 9436 * Calculate the abis and roots for a bundled app. These can uniquely 9437 * be determined from the contents of the system partition, i.e whether 9438 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9439 * of this information, and instead assume that the system was built 9440 * sensibly. 9441 */ 9442 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9443 PackageSetting pkgSetting) { 9444 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9445 9446 // If "/system/lib64/apkname" exists, assume that is the per-package 9447 // native library directory to use; otherwise use "/system/lib/apkname". 9448 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9449 setBundledAppAbi(pkg, apkRoot, apkName); 9450 // pkgSetting might be null during rescan following uninstall of updates 9451 // to a bundled app, so accommodate that possibility. The settings in 9452 // that case will be established later from the parsed package. 9453 // 9454 // If the settings aren't null, sync them up with what we've just derived. 9455 // note that apkRoot isn't stored in the package settings. 9456 if (pkgSetting != null) { 9457 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9458 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9459 } 9460 } 9461 9462 /** 9463 * Deduces the ABI of a bundled app and sets the relevant fields on the 9464 * parsed pkg object. 9465 * 9466 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9467 * under which system libraries are installed. 9468 * @param apkName the name of the installed package. 9469 */ 9470 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9471 final File codeFile = new File(pkg.codePath); 9472 9473 final boolean has64BitLibs; 9474 final boolean has32BitLibs; 9475 if (isApkFile(codeFile)) { 9476 // Monolithic install 9477 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9478 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9479 } else { 9480 // Cluster install 9481 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9482 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9483 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9484 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9485 has64BitLibs = (new File(rootDir, isa)).exists(); 9486 } else { 9487 has64BitLibs = false; 9488 } 9489 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9490 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9491 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9492 has32BitLibs = (new File(rootDir, isa)).exists(); 9493 } else { 9494 has32BitLibs = false; 9495 } 9496 } 9497 9498 if (has64BitLibs && !has32BitLibs) { 9499 // The package has 64 bit libs, but not 32 bit libs. Its primary 9500 // ABI should be 64 bit. We can safely assume here that the bundled 9501 // native libraries correspond to the most preferred ABI in the list. 9502 9503 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9504 pkg.applicationInfo.secondaryCpuAbi = null; 9505 } else if (has32BitLibs && !has64BitLibs) { 9506 // The package has 32 bit libs but not 64 bit libs. Its primary 9507 // ABI should be 32 bit. 9508 9509 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9510 pkg.applicationInfo.secondaryCpuAbi = null; 9511 } else if (has32BitLibs && has64BitLibs) { 9512 // The application has both 64 and 32 bit bundled libraries. We check 9513 // here that the app declares multiArch support, and warn if it doesn't. 9514 // 9515 // We will be lenient here and record both ABIs. The primary will be the 9516 // ABI that's higher on the list, i.e, a device that's configured to prefer 9517 // 64 bit apps will see a 64 bit primary ABI, 9518 9519 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9520 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9521 } 9522 9523 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9524 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9525 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9526 } else { 9527 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9528 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9529 } 9530 } else { 9531 pkg.applicationInfo.primaryCpuAbi = null; 9532 pkg.applicationInfo.secondaryCpuAbi = null; 9533 } 9534 } 9535 9536 private void killApplication(String pkgName, int appId, String reason) { 9537 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9538 } 9539 9540 private void killApplication(String pkgName, int appId, int userId, String reason) { 9541 // Request the ActivityManager to kill the process(only for existing packages) 9542 // so that we do not end up in a confused state while the user is still using the older 9543 // version of the application while the new one gets installed. 9544 final long token = Binder.clearCallingIdentity(); 9545 try { 9546 IActivityManager am = ActivityManagerNative.getDefault(); 9547 if (am != null) { 9548 try { 9549 am.killApplication(pkgName, appId, userId, reason); 9550 } catch (RemoteException e) { 9551 } 9552 } 9553 } finally { 9554 Binder.restoreCallingIdentity(token); 9555 } 9556 } 9557 9558 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9559 // Remove the parent package setting 9560 PackageSetting ps = (PackageSetting) pkg.mExtras; 9561 if (ps != null) { 9562 removePackageLI(ps, chatty); 9563 } 9564 // Remove the child package setting 9565 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9566 for (int i = 0; i < childCount; i++) { 9567 PackageParser.Package childPkg = pkg.childPackages.get(i); 9568 ps = (PackageSetting) childPkg.mExtras; 9569 if (ps != null) { 9570 removePackageLI(ps, chatty); 9571 } 9572 } 9573 } 9574 9575 void removePackageLI(PackageSetting ps, boolean chatty) { 9576 if (DEBUG_INSTALL) { 9577 if (chatty) 9578 Log.d(TAG, "Removing package " + ps.name); 9579 } 9580 9581 // writer 9582 synchronized (mPackages) { 9583 mPackages.remove(ps.name); 9584 final PackageParser.Package pkg = ps.pkg; 9585 if (pkg != null) { 9586 cleanPackageDataStructuresLILPw(pkg, chatty); 9587 } 9588 } 9589 } 9590 9591 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9592 if (DEBUG_INSTALL) { 9593 if (chatty) 9594 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9595 } 9596 9597 // writer 9598 synchronized (mPackages) { 9599 // Remove the parent package 9600 mPackages.remove(pkg.applicationInfo.packageName); 9601 cleanPackageDataStructuresLILPw(pkg, chatty); 9602 9603 // Remove the child packages 9604 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9605 for (int i = 0; i < childCount; i++) { 9606 PackageParser.Package childPkg = pkg.childPackages.get(i); 9607 mPackages.remove(childPkg.applicationInfo.packageName); 9608 cleanPackageDataStructuresLILPw(childPkg, chatty); 9609 } 9610 } 9611 } 9612 9613 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9614 int N = pkg.providers.size(); 9615 StringBuilder r = null; 9616 int i; 9617 for (i=0; i<N; i++) { 9618 PackageParser.Provider p = pkg.providers.get(i); 9619 mProviders.removeProvider(p); 9620 if (p.info.authority == null) { 9621 9622 /* There was another ContentProvider with this authority when 9623 * this app was installed so this authority is null, 9624 * Ignore it as we don't have to unregister the provider. 9625 */ 9626 continue; 9627 } 9628 String names[] = p.info.authority.split(";"); 9629 for (int j = 0; j < names.length; j++) { 9630 if (mProvidersByAuthority.get(names[j]) == p) { 9631 mProvidersByAuthority.remove(names[j]); 9632 if (DEBUG_REMOVE) { 9633 if (chatty) 9634 Log.d(TAG, "Unregistered content provider: " + names[j] 9635 + ", className = " + p.info.name + ", isSyncable = " 9636 + p.info.isSyncable); 9637 } 9638 } 9639 } 9640 if (DEBUG_REMOVE && chatty) { 9641 if (r == null) { 9642 r = new StringBuilder(256); 9643 } else { 9644 r.append(' '); 9645 } 9646 r.append(p.info.name); 9647 } 9648 } 9649 if (r != null) { 9650 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9651 } 9652 9653 N = pkg.services.size(); 9654 r = null; 9655 for (i=0; i<N; i++) { 9656 PackageParser.Service s = pkg.services.get(i); 9657 mServices.removeService(s); 9658 if (chatty) { 9659 if (r == null) { 9660 r = new StringBuilder(256); 9661 } else { 9662 r.append(' '); 9663 } 9664 r.append(s.info.name); 9665 } 9666 } 9667 if (r != null) { 9668 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9669 } 9670 9671 N = pkg.receivers.size(); 9672 r = null; 9673 for (i=0; i<N; i++) { 9674 PackageParser.Activity a = pkg.receivers.get(i); 9675 mReceivers.removeActivity(a, "receiver"); 9676 if (DEBUG_REMOVE && chatty) { 9677 if (r == null) { 9678 r = new StringBuilder(256); 9679 } else { 9680 r.append(' '); 9681 } 9682 r.append(a.info.name); 9683 } 9684 } 9685 if (r != null) { 9686 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9687 } 9688 9689 N = pkg.activities.size(); 9690 r = null; 9691 for (i=0; i<N; i++) { 9692 PackageParser.Activity a = pkg.activities.get(i); 9693 mActivities.removeActivity(a, "activity"); 9694 if (DEBUG_REMOVE && chatty) { 9695 if (r == null) { 9696 r = new StringBuilder(256); 9697 } else { 9698 r.append(' '); 9699 } 9700 r.append(a.info.name); 9701 } 9702 } 9703 if (r != null) { 9704 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9705 } 9706 9707 N = pkg.permissions.size(); 9708 r = null; 9709 for (i=0; i<N; i++) { 9710 PackageParser.Permission p = pkg.permissions.get(i); 9711 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9712 if (bp == null) { 9713 bp = mSettings.mPermissionTrees.get(p.info.name); 9714 } 9715 if (bp != null && bp.perm == p) { 9716 bp.perm = null; 9717 if (DEBUG_REMOVE && chatty) { 9718 if (r == null) { 9719 r = new StringBuilder(256); 9720 } else { 9721 r.append(' '); 9722 } 9723 r.append(p.info.name); 9724 } 9725 } 9726 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9727 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9728 if (appOpPkgs != null) { 9729 appOpPkgs.remove(pkg.packageName); 9730 } 9731 } 9732 } 9733 if (r != null) { 9734 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9735 } 9736 9737 N = pkg.requestedPermissions.size(); 9738 r = null; 9739 for (i=0; i<N; i++) { 9740 String perm = pkg.requestedPermissions.get(i); 9741 BasePermission bp = mSettings.mPermissions.get(perm); 9742 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9743 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9744 if (appOpPkgs != null) { 9745 appOpPkgs.remove(pkg.packageName); 9746 if (appOpPkgs.isEmpty()) { 9747 mAppOpPermissionPackages.remove(perm); 9748 } 9749 } 9750 } 9751 } 9752 if (r != null) { 9753 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9754 } 9755 9756 N = pkg.instrumentation.size(); 9757 r = null; 9758 for (i=0; i<N; i++) { 9759 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9760 mInstrumentation.remove(a.getComponentName()); 9761 if (DEBUG_REMOVE && chatty) { 9762 if (r == null) { 9763 r = new StringBuilder(256); 9764 } else { 9765 r.append(' '); 9766 } 9767 r.append(a.info.name); 9768 } 9769 } 9770 if (r != null) { 9771 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9772 } 9773 9774 r = null; 9775 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9776 // Only system apps can hold shared libraries. 9777 if (pkg.libraryNames != null) { 9778 for (i=0; i<pkg.libraryNames.size(); i++) { 9779 String name = pkg.libraryNames.get(i); 9780 SharedLibraryEntry cur = mSharedLibraries.get(name); 9781 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9782 mSharedLibraries.remove(name); 9783 if (DEBUG_REMOVE && chatty) { 9784 if (r == null) { 9785 r = new StringBuilder(256); 9786 } else { 9787 r.append(' '); 9788 } 9789 r.append(name); 9790 } 9791 } 9792 } 9793 } 9794 } 9795 if (r != null) { 9796 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9797 } 9798 } 9799 9800 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9801 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9802 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9803 return true; 9804 } 9805 } 9806 return false; 9807 } 9808 9809 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9810 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9811 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9812 9813 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9814 // Update the parent permissions 9815 updatePermissionsLPw(pkg.packageName, pkg, flags); 9816 // Update the child permissions 9817 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9818 for (int i = 0; i < childCount; i++) { 9819 PackageParser.Package childPkg = pkg.childPackages.get(i); 9820 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9821 } 9822 } 9823 9824 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9825 int flags) { 9826 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9827 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9828 } 9829 9830 private void updatePermissionsLPw(String changingPkg, 9831 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9832 // Make sure there are no dangling permission trees. 9833 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9834 while (it.hasNext()) { 9835 final BasePermission bp = it.next(); 9836 if (bp.packageSetting == null) { 9837 // We may not yet have parsed the package, so just see if 9838 // we still know about its settings. 9839 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9840 } 9841 if (bp.packageSetting == null) { 9842 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9843 + " from package " + bp.sourcePackage); 9844 it.remove(); 9845 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9846 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9847 Slog.i(TAG, "Removing old permission tree: " + bp.name 9848 + " from package " + bp.sourcePackage); 9849 flags |= UPDATE_PERMISSIONS_ALL; 9850 it.remove(); 9851 } 9852 } 9853 } 9854 9855 // Make sure all dynamic permissions have been assigned to a package, 9856 // and make sure there are no dangling permissions. 9857 it = mSettings.mPermissions.values().iterator(); 9858 while (it.hasNext()) { 9859 final BasePermission bp = it.next(); 9860 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9861 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9862 + bp.name + " pkg=" + bp.sourcePackage 9863 + " info=" + bp.pendingInfo); 9864 if (bp.packageSetting == null && bp.pendingInfo != null) { 9865 final BasePermission tree = findPermissionTreeLP(bp.name); 9866 if (tree != null && tree.perm != null) { 9867 bp.packageSetting = tree.packageSetting; 9868 bp.perm = new PackageParser.Permission(tree.perm.owner, 9869 new PermissionInfo(bp.pendingInfo)); 9870 bp.perm.info.packageName = tree.perm.info.packageName; 9871 bp.perm.info.name = bp.name; 9872 bp.uid = tree.uid; 9873 } 9874 } 9875 } 9876 if (bp.packageSetting == null) { 9877 // We may not yet have parsed the package, so just see if 9878 // we still know about its settings. 9879 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9880 } 9881 if (bp.packageSetting == null) { 9882 Slog.w(TAG, "Removing dangling permission: " + bp.name 9883 + " from package " + bp.sourcePackage); 9884 it.remove(); 9885 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9886 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9887 Slog.i(TAG, "Removing old permission: " + bp.name 9888 + " from package " + bp.sourcePackage); 9889 flags |= UPDATE_PERMISSIONS_ALL; 9890 it.remove(); 9891 } 9892 } 9893 } 9894 9895 // Now update the permissions for all packages, in particular 9896 // replace the granted permissions of the system packages. 9897 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9898 for (PackageParser.Package pkg : mPackages.values()) { 9899 if (pkg != pkgInfo) { 9900 // Only replace for packages on requested volume 9901 final String volumeUuid = getVolumeUuidForPackage(pkg); 9902 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9903 && Objects.equals(replaceVolumeUuid, volumeUuid); 9904 grantPermissionsLPw(pkg, replace, changingPkg); 9905 } 9906 } 9907 } 9908 9909 if (pkgInfo != null) { 9910 // Only replace for packages on requested volume 9911 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9912 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9913 && Objects.equals(replaceVolumeUuid, volumeUuid); 9914 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9915 } 9916 } 9917 9918 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9919 String packageOfInterest) { 9920 // IMPORTANT: There are two types of permissions: install and runtime. 9921 // Install time permissions are granted when the app is installed to 9922 // all device users and users added in the future. Runtime permissions 9923 // are granted at runtime explicitly to specific users. Normal and signature 9924 // protected permissions are install time permissions. Dangerous permissions 9925 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9926 // otherwise they are runtime permissions. This function does not manage 9927 // runtime permissions except for the case an app targeting Lollipop MR1 9928 // being upgraded to target a newer SDK, in which case dangerous permissions 9929 // are transformed from install time to runtime ones. 9930 9931 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9932 if (ps == null) { 9933 return; 9934 } 9935 9936 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9937 9938 PermissionsState permissionsState = ps.getPermissionsState(); 9939 PermissionsState origPermissions = permissionsState; 9940 9941 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9942 9943 boolean runtimePermissionsRevoked = false; 9944 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9945 9946 boolean changedInstallPermission = false; 9947 9948 if (replace) { 9949 ps.installPermissionsFixed = false; 9950 if (!ps.isSharedUser()) { 9951 origPermissions = new PermissionsState(permissionsState); 9952 permissionsState.reset(); 9953 } else { 9954 // We need to know only about runtime permission changes since the 9955 // calling code always writes the install permissions state but 9956 // the runtime ones are written only if changed. The only cases of 9957 // changed runtime permissions here are promotion of an install to 9958 // runtime and revocation of a runtime from a shared user. 9959 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9960 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9961 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9962 runtimePermissionsRevoked = true; 9963 } 9964 } 9965 } 9966 9967 permissionsState.setGlobalGids(mGlobalGids); 9968 9969 final int N = pkg.requestedPermissions.size(); 9970 for (int i=0; i<N; i++) { 9971 final String name = pkg.requestedPermissions.get(i); 9972 final BasePermission bp = mSettings.mPermissions.get(name); 9973 9974 if (DEBUG_INSTALL) { 9975 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9976 } 9977 9978 if (bp == null || bp.packageSetting == null) { 9979 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9980 Slog.w(TAG, "Unknown permission " + name 9981 + " in package " + pkg.packageName); 9982 } 9983 continue; 9984 } 9985 9986 final String perm = bp.name; 9987 boolean allowedSig = false; 9988 int grant = GRANT_DENIED; 9989 9990 // Keep track of app op permissions. 9991 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9992 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9993 if (pkgs == null) { 9994 pkgs = new ArraySet<>(); 9995 mAppOpPermissionPackages.put(bp.name, pkgs); 9996 } 9997 pkgs.add(pkg.packageName); 9998 } 9999 10000 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10001 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10002 >= Build.VERSION_CODES.M; 10003 switch (level) { 10004 case PermissionInfo.PROTECTION_NORMAL: { 10005 // For all apps normal permissions are install time ones. 10006 grant = GRANT_INSTALL; 10007 } break; 10008 10009 case PermissionInfo.PROTECTION_DANGEROUS: { 10010 // If a permission review is required for legacy apps we represent 10011 // their permissions as always granted runtime ones since we need 10012 // to keep the review required permission flag per user while an 10013 // install permission's state is shared across all users. 10014 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10015 // For legacy apps dangerous permissions are install time ones. 10016 grant = GRANT_INSTALL; 10017 } else if (origPermissions.hasInstallPermission(bp.name)) { 10018 // For legacy apps that became modern, install becomes runtime. 10019 grant = GRANT_UPGRADE; 10020 } else if (mPromoteSystemApps 10021 && isSystemApp(ps) 10022 && mExistingSystemPackages.contains(ps.name)) { 10023 // For legacy system apps, install becomes runtime. 10024 // We cannot check hasInstallPermission() for system apps since those 10025 // permissions were granted implicitly and not persisted pre-M. 10026 grant = GRANT_UPGRADE; 10027 } else { 10028 // For modern apps keep runtime permissions unchanged. 10029 grant = GRANT_RUNTIME; 10030 } 10031 } break; 10032 10033 case PermissionInfo.PROTECTION_SIGNATURE: { 10034 // For all apps signature permissions are install time ones. 10035 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10036 if (allowedSig) { 10037 grant = GRANT_INSTALL; 10038 } 10039 } break; 10040 } 10041 10042 if (DEBUG_INSTALL) { 10043 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10044 } 10045 10046 if (grant != GRANT_DENIED) { 10047 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10048 // If this is an existing, non-system package, then 10049 // we can't add any new permissions to it. 10050 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10051 // Except... if this is a permission that was added 10052 // to the platform (note: need to only do this when 10053 // updating the platform). 10054 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10055 grant = GRANT_DENIED; 10056 } 10057 } 10058 } 10059 10060 switch (grant) { 10061 case GRANT_INSTALL: { 10062 // Revoke this as runtime permission to handle the case of 10063 // a runtime permission being downgraded to an install one. 10064 // Also in permission review mode we keep dangerous permissions 10065 // for legacy apps 10066 for (int userId : UserManagerService.getInstance().getUserIds()) { 10067 if (origPermissions.getRuntimePermissionState( 10068 bp.name, userId) != null) { 10069 // Revoke the runtime permission and clear the flags. 10070 origPermissions.revokeRuntimePermission(bp, userId); 10071 origPermissions.updatePermissionFlags(bp, userId, 10072 PackageManager.MASK_PERMISSION_FLAGS, 0); 10073 // If we revoked a permission permission, we have to write. 10074 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10075 changedRuntimePermissionUserIds, userId); 10076 } 10077 } 10078 // Grant an install permission. 10079 if (permissionsState.grantInstallPermission(bp) != 10080 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10081 changedInstallPermission = true; 10082 } 10083 } break; 10084 10085 case GRANT_RUNTIME: { 10086 // Grant previously granted runtime permissions. 10087 for (int userId : UserManagerService.getInstance().getUserIds()) { 10088 PermissionState permissionState = origPermissions 10089 .getRuntimePermissionState(bp.name, userId); 10090 int flags = permissionState != null 10091 ? permissionState.getFlags() : 0; 10092 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10093 if (permissionsState.grantRuntimePermission(bp, userId) == 10094 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10095 // If we cannot put the permission as it was, we have to write. 10096 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10097 changedRuntimePermissionUserIds, userId); 10098 } 10099 // If the app supports runtime permissions no need for a review. 10100 if (Build.PERMISSIONS_REVIEW_REQUIRED 10101 && appSupportsRuntimePermissions 10102 && (flags & PackageManager 10103 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10104 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10105 // Since we changed the flags, we have to write. 10106 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10107 changedRuntimePermissionUserIds, userId); 10108 } 10109 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10110 && !appSupportsRuntimePermissions) { 10111 // For legacy apps that need a permission review, every new 10112 // runtime permission is granted but it is pending a review. 10113 // We also need to review only platform defined runtime 10114 // permissions as these are the only ones the platform knows 10115 // how to disable the API to simulate revocation as legacy 10116 // apps don't expect to run with revoked permissions. 10117 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10118 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10119 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10120 // We changed the flags, hence have to write. 10121 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10122 changedRuntimePermissionUserIds, userId); 10123 } 10124 } 10125 if (permissionsState.grantRuntimePermission(bp, userId) 10126 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10127 // We changed the permission, hence have to write. 10128 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10129 changedRuntimePermissionUserIds, userId); 10130 } 10131 } 10132 // Propagate the permission flags. 10133 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10134 } 10135 } break; 10136 10137 case GRANT_UPGRADE: { 10138 // Grant runtime permissions for a previously held install permission. 10139 PermissionState permissionState = origPermissions 10140 .getInstallPermissionState(bp.name); 10141 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10142 10143 if (origPermissions.revokeInstallPermission(bp) 10144 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10145 // We will be transferring the permission flags, so clear them. 10146 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10147 PackageManager.MASK_PERMISSION_FLAGS, 0); 10148 changedInstallPermission = true; 10149 } 10150 10151 // If the permission is not to be promoted to runtime we ignore it and 10152 // also its other flags as they are not applicable to install permissions. 10153 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10154 for (int userId : currentUserIds) { 10155 if (permissionsState.grantRuntimePermission(bp, userId) != 10156 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10157 // Transfer the permission flags. 10158 permissionsState.updatePermissionFlags(bp, userId, 10159 flags, flags); 10160 // If we granted the permission, we have to write. 10161 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10162 changedRuntimePermissionUserIds, userId); 10163 } 10164 } 10165 } 10166 } break; 10167 10168 default: { 10169 if (packageOfInterest == null 10170 || packageOfInterest.equals(pkg.packageName)) { 10171 Slog.w(TAG, "Not granting permission " + perm 10172 + " to package " + pkg.packageName 10173 + " because it was previously installed without"); 10174 } 10175 } break; 10176 } 10177 } else { 10178 if (permissionsState.revokeInstallPermission(bp) != 10179 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10180 // Also drop the permission flags. 10181 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10182 PackageManager.MASK_PERMISSION_FLAGS, 0); 10183 changedInstallPermission = true; 10184 Slog.i(TAG, "Un-granting permission " + perm 10185 + " from package " + pkg.packageName 10186 + " (protectionLevel=" + bp.protectionLevel 10187 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10188 + ")"); 10189 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10190 // Don't print warning for app op permissions, since it is fine for them 10191 // not to be granted, there is a UI for the user to decide. 10192 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10193 Slog.w(TAG, "Not granting permission " + perm 10194 + " to package " + pkg.packageName 10195 + " (protectionLevel=" + bp.protectionLevel 10196 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10197 + ")"); 10198 } 10199 } 10200 } 10201 } 10202 10203 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10204 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10205 // This is the first that we have heard about this package, so the 10206 // permissions we have now selected are fixed until explicitly 10207 // changed. 10208 ps.installPermissionsFixed = true; 10209 } 10210 10211 // Persist the runtime permissions state for users with changes. If permissions 10212 // were revoked because no app in the shared user declares them we have to 10213 // write synchronously to avoid losing runtime permissions state. 10214 for (int userId : changedRuntimePermissionUserIds) { 10215 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10216 } 10217 10218 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10219 } 10220 10221 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10222 boolean allowed = false; 10223 final int NP = PackageParser.NEW_PERMISSIONS.length; 10224 for (int ip=0; ip<NP; ip++) { 10225 final PackageParser.NewPermissionInfo npi 10226 = PackageParser.NEW_PERMISSIONS[ip]; 10227 if (npi.name.equals(perm) 10228 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10229 allowed = true; 10230 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10231 + pkg.packageName); 10232 break; 10233 } 10234 } 10235 return allowed; 10236 } 10237 10238 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10239 BasePermission bp, PermissionsState origPermissions) { 10240 boolean allowed; 10241 allowed = (compareSignatures( 10242 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10243 == PackageManager.SIGNATURE_MATCH) 10244 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10245 == PackageManager.SIGNATURE_MATCH); 10246 if (!allowed && (bp.protectionLevel 10247 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10248 if (isSystemApp(pkg)) { 10249 // For updated system applications, a system permission 10250 // is granted only if it had been defined by the original application. 10251 if (pkg.isUpdatedSystemApp()) { 10252 final PackageSetting sysPs = mSettings 10253 .getDisabledSystemPkgLPr(pkg.packageName); 10254 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10255 // If the original was granted this permission, we take 10256 // that grant decision as read and propagate it to the 10257 // update. 10258 if (sysPs.isPrivileged()) { 10259 allowed = true; 10260 } 10261 } else { 10262 // The system apk may have been updated with an older 10263 // version of the one on the data partition, but which 10264 // granted a new system permission that it didn't have 10265 // before. In this case we do want to allow the app to 10266 // now get the new permission if the ancestral apk is 10267 // privileged to get it. 10268 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10269 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10270 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10271 allowed = true; 10272 break; 10273 } 10274 } 10275 } 10276 // Also if a privileged parent package on the system image or any of 10277 // its children requested a privileged permission, the updated child 10278 // packages can also get the permission. 10279 if (pkg.parentPackage != null) { 10280 final PackageSetting disabledSysParentPs = mSettings 10281 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10282 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10283 && disabledSysParentPs.isPrivileged()) { 10284 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10285 allowed = true; 10286 } else if (disabledSysParentPs.pkg.childPackages != null) { 10287 final int count = disabledSysParentPs.pkg.childPackages.size(); 10288 for (int i = 0; i < count; i++) { 10289 PackageParser.Package disabledSysChildPkg = 10290 disabledSysParentPs.pkg.childPackages.get(i); 10291 if (isPackageRequestingPermission(disabledSysChildPkg, 10292 perm)) { 10293 allowed = true; 10294 break; 10295 } 10296 } 10297 } 10298 } 10299 } 10300 } 10301 } else { 10302 allowed = isPrivilegedApp(pkg); 10303 } 10304 } 10305 } 10306 if (!allowed) { 10307 if (!allowed && (bp.protectionLevel 10308 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10309 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10310 // If this was a previously normal/dangerous permission that got moved 10311 // to a system permission as part of the runtime permission redesign, then 10312 // we still want to blindly grant it to old apps. 10313 allowed = true; 10314 } 10315 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10316 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10317 // If this permission is to be granted to the system installer and 10318 // this app is an installer, then it gets the permission. 10319 allowed = true; 10320 } 10321 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10322 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10323 // If this permission is to be granted to the system verifier and 10324 // this app is a verifier, then it gets the permission. 10325 allowed = true; 10326 } 10327 if (!allowed && (bp.protectionLevel 10328 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10329 && isSystemApp(pkg)) { 10330 // Any pre-installed system app is allowed to get this permission. 10331 allowed = true; 10332 } 10333 if (!allowed && (bp.protectionLevel 10334 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10335 // For development permissions, a development permission 10336 // is granted only if it was already granted. 10337 allowed = origPermissions.hasInstallPermission(perm); 10338 } 10339 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10340 && pkg.packageName.equals(mSetupWizardPackage)) { 10341 // If this permission is to be granted to the system setup wizard and 10342 // this app is a setup wizard, then it gets the permission. 10343 allowed = true; 10344 } 10345 } 10346 return allowed; 10347 } 10348 10349 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10350 final int permCount = pkg.requestedPermissions.size(); 10351 for (int j = 0; j < permCount; j++) { 10352 String requestedPermission = pkg.requestedPermissions.get(j); 10353 if (permission.equals(requestedPermission)) { 10354 return true; 10355 } 10356 } 10357 return false; 10358 } 10359 10360 final class ActivityIntentResolver 10361 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10362 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10363 boolean defaultOnly, int userId) { 10364 if (!sUserManager.exists(userId)) return null; 10365 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10366 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10367 } 10368 10369 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10370 int userId) { 10371 if (!sUserManager.exists(userId)) return null; 10372 mFlags = flags; 10373 return super.queryIntent(intent, resolvedType, 10374 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10375 } 10376 10377 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10378 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10379 if (!sUserManager.exists(userId)) return null; 10380 if (packageActivities == null) { 10381 return null; 10382 } 10383 mFlags = flags; 10384 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10385 final int N = packageActivities.size(); 10386 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10387 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10388 10389 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10390 for (int i = 0; i < N; ++i) { 10391 intentFilters = packageActivities.get(i).intents; 10392 if (intentFilters != null && intentFilters.size() > 0) { 10393 PackageParser.ActivityIntentInfo[] array = 10394 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10395 intentFilters.toArray(array); 10396 listCut.add(array); 10397 } 10398 } 10399 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10400 } 10401 10402 /** 10403 * Finds a privileged activity that matches the specified activity names. 10404 */ 10405 private PackageParser.Activity findMatchingActivity( 10406 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10407 for (PackageParser.Activity sysActivity : activityList) { 10408 if (sysActivity.info.name.equals(activityInfo.name)) { 10409 return sysActivity; 10410 } 10411 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10412 return sysActivity; 10413 } 10414 if (sysActivity.info.targetActivity != null) { 10415 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10416 return sysActivity; 10417 } 10418 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10419 return sysActivity; 10420 } 10421 } 10422 } 10423 return null; 10424 } 10425 10426 public class IterGenerator<E> { 10427 public Iterator<E> generate(ActivityIntentInfo info) { 10428 return null; 10429 } 10430 } 10431 10432 public class ActionIterGenerator extends IterGenerator<String> { 10433 @Override 10434 public Iterator<String> generate(ActivityIntentInfo info) { 10435 return info.actionsIterator(); 10436 } 10437 } 10438 10439 public class CategoriesIterGenerator extends IterGenerator<String> { 10440 @Override 10441 public Iterator<String> generate(ActivityIntentInfo info) { 10442 return info.categoriesIterator(); 10443 } 10444 } 10445 10446 public class SchemesIterGenerator extends IterGenerator<String> { 10447 @Override 10448 public Iterator<String> generate(ActivityIntentInfo info) { 10449 return info.schemesIterator(); 10450 } 10451 } 10452 10453 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10454 @Override 10455 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10456 return info.authoritiesIterator(); 10457 } 10458 } 10459 10460 /** 10461 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10462 * MODIFIED. Do not pass in a list that should not be changed. 10463 */ 10464 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10465 IterGenerator<T> generator, Iterator<T> searchIterator) { 10466 // loop through the set of actions; every one must be found in the intent filter 10467 while (searchIterator.hasNext()) { 10468 // we must have at least one filter in the list to consider a match 10469 if (intentList.size() == 0) { 10470 break; 10471 } 10472 10473 final T searchAction = searchIterator.next(); 10474 10475 // loop through the set of intent filters 10476 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10477 while (intentIter.hasNext()) { 10478 final ActivityIntentInfo intentInfo = intentIter.next(); 10479 boolean selectionFound = false; 10480 10481 // loop through the intent filter's selection criteria; at least one 10482 // of them must match the searched criteria 10483 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10484 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10485 final T intentSelection = intentSelectionIter.next(); 10486 if (intentSelection != null && intentSelection.equals(searchAction)) { 10487 selectionFound = true; 10488 break; 10489 } 10490 } 10491 10492 // the selection criteria wasn't found in this filter's set; this filter 10493 // is not a potential match 10494 if (!selectionFound) { 10495 intentIter.remove(); 10496 } 10497 } 10498 } 10499 } 10500 10501 private boolean isProtectedAction(ActivityIntentInfo filter) { 10502 final Iterator<String> actionsIter = filter.actionsIterator(); 10503 while (actionsIter != null && actionsIter.hasNext()) { 10504 final String filterAction = actionsIter.next(); 10505 if (PROTECTED_ACTIONS.contains(filterAction)) { 10506 return true; 10507 } 10508 } 10509 return false; 10510 } 10511 10512 /** 10513 * Adjusts the priority of the given intent filter according to policy. 10514 * <p> 10515 * <ul> 10516 * <li>The priority for non privileged applications is capped to '0'</li> 10517 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10518 * <li>The priority for unbundled updates to privileged applications is capped to the 10519 * priority defined on the system partition</li> 10520 * </ul> 10521 * <p> 10522 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10523 * allowed to obtain any priority on any action. 10524 */ 10525 private void adjustPriority( 10526 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10527 // nothing to do; priority is fine as-is 10528 if (intent.getPriority() <= 0) { 10529 return; 10530 } 10531 10532 final ActivityInfo activityInfo = intent.activity.info; 10533 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10534 10535 final boolean privilegedApp = 10536 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10537 if (!privilegedApp) { 10538 // non-privileged applications can never define a priority >0 10539 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10540 + " package: " + applicationInfo.packageName 10541 + " activity: " + intent.activity.className 10542 + " origPrio: " + intent.getPriority()); 10543 intent.setPriority(0); 10544 return; 10545 } 10546 10547 if (systemActivities == null) { 10548 // the system package is not disabled; we're parsing the system partition 10549 if (isProtectedAction(intent)) { 10550 if (mDeferProtectedFilters) { 10551 // We can't deal with these just yet. No component should ever obtain a 10552 // >0 priority for a protected actions, with ONE exception -- the setup 10553 // wizard. The setup wizard, however, cannot be known until we're able to 10554 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10555 // until all intent filters have been processed. Chicken, meet egg. 10556 // Let the filter temporarily have a high priority and rectify the 10557 // priorities after all system packages have been scanned. 10558 mProtectedFilters.add(intent); 10559 if (DEBUG_FILTERS) { 10560 Slog.i(TAG, "Protected action; save for later;" 10561 + " package: " + applicationInfo.packageName 10562 + " activity: " + intent.activity.className 10563 + " origPrio: " + intent.getPriority()); 10564 } 10565 return; 10566 } else { 10567 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10568 Slog.i(TAG, "No setup wizard;" 10569 + " All protected intents capped to priority 0"); 10570 } 10571 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10572 if (DEBUG_FILTERS) { 10573 Slog.i(TAG, "Found setup wizard;" 10574 + " allow priority " + intent.getPriority() + ";" 10575 + " package: " + intent.activity.info.packageName 10576 + " activity: " + intent.activity.className 10577 + " priority: " + intent.getPriority()); 10578 } 10579 // setup wizard gets whatever it wants 10580 return; 10581 } 10582 Slog.w(TAG, "Protected action; cap priority to 0;" 10583 + " package: " + intent.activity.info.packageName 10584 + " activity: " + intent.activity.className 10585 + " origPrio: " + intent.getPriority()); 10586 intent.setPriority(0); 10587 return; 10588 } 10589 } 10590 // privileged apps on the system image get whatever priority they request 10591 return; 10592 } 10593 10594 // privileged app unbundled update ... try to find the same activity 10595 final PackageParser.Activity foundActivity = 10596 findMatchingActivity(systemActivities, activityInfo); 10597 if (foundActivity == null) { 10598 // this is a new activity; it cannot obtain >0 priority 10599 if (DEBUG_FILTERS) { 10600 Slog.i(TAG, "New activity; cap priority to 0;" 10601 + " package: " + applicationInfo.packageName 10602 + " activity: " + intent.activity.className 10603 + " origPrio: " + intent.getPriority()); 10604 } 10605 intent.setPriority(0); 10606 return; 10607 } 10608 10609 // found activity, now check for filter equivalence 10610 10611 // a shallow copy is enough; we modify the list, not its contents 10612 final List<ActivityIntentInfo> intentListCopy = 10613 new ArrayList<>(foundActivity.intents); 10614 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10615 10616 // find matching action subsets 10617 final Iterator<String> actionsIterator = intent.actionsIterator(); 10618 if (actionsIterator != null) { 10619 getIntentListSubset( 10620 intentListCopy, new ActionIterGenerator(), actionsIterator); 10621 if (intentListCopy.size() == 0) { 10622 // no more intents to match; we're not equivalent 10623 if (DEBUG_FILTERS) { 10624 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10625 + " package: " + applicationInfo.packageName 10626 + " activity: " + intent.activity.className 10627 + " origPrio: " + intent.getPriority()); 10628 } 10629 intent.setPriority(0); 10630 return; 10631 } 10632 } 10633 10634 // find matching category subsets 10635 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10636 if (categoriesIterator != null) { 10637 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10638 categoriesIterator); 10639 if (intentListCopy.size() == 0) { 10640 // no more intents to match; we're not equivalent 10641 if (DEBUG_FILTERS) { 10642 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10643 + " package: " + applicationInfo.packageName 10644 + " activity: " + intent.activity.className 10645 + " origPrio: " + intent.getPriority()); 10646 } 10647 intent.setPriority(0); 10648 return; 10649 } 10650 } 10651 10652 // find matching schemes subsets 10653 final Iterator<String> schemesIterator = intent.schemesIterator(); 10654 if (schemesIterator != null) { 10655 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10656 schemesIterator); 10657 if (intentListCopy.size() == 0) { 10658 // no more intents to match; we're not equivalent 10659 if (DEBUG_FILTERS) { 10660 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10661 + " package: " + applicationInfo.packageName 10662 + " activity: " + intent.activity.className 10663 + " origPrio: " + intent.getPriority()); 10664 } 10665 intent.setPriority(0); 10666 return; 10667 } 10668 } 10669 10670 // find matching authorities subsets 10671 final Iterator<IntentFilter.AuthorityEntry> 10672 authoritiesIterator = intent.authoritiesIterator(); 10673 if (authoritiesIterator != null) { 10674 getIntentListSubset(intentListCopy, 10675 new AuthoritiesIterGenerator(), 10676 authoritiesIterator); 10677 if (intentListCopy.size() == 0) { 10678 // no more intents to match; we're not equivalent 10679 if (DEBUG_FILTERS) { 10680 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10681 + " package: " + applicationInfo.packageName 10682 + " activity: " + intent.activity.className 10683 + " origPrio: " + intent.getPriority()); 10684 } 10685 intent.setPriority(0); 10686 return; 10687 } 10688 } 10689 10690 // we found matching filter(s); app gets the max priority of all intents 10691 int cappedPriority = 0; 10692 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10693 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10694 } 10695 if (intent.getPriority() > cappedPriority) { 10696 if (DEBUG_FILTERS) { 10697 Slog.i(TAG, "Found matching filter(s);" 10698 + " cap priority to " + cappedPriority + ";" 10699 + " package: " + applicationInfo.packageName 10700 + " activity: " + intent.activity.className 10701 + " origPrio: " + intent.getPriority()); 10702 } 10703 intent.setPriority(cappedPriority); 10704 return; 10705 } 10706 // all this for nothing; the requested priority was <= what was on the system 10707 } 10708 10709 public final void addActivity(PackageParser.Activity a, String type) { 10710 mActivities.put(a.getComponentName(), a); 10711 if (DEBUG_SHOW_INFO) 10712 Log.v( 10713 TAG, " " + type + " " + 10714 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10715 if (DEBUG_SHOW_INFO) 10716 Log.v(TAG, " Class=" + a.info.name); 10717 final int NI = a.intents.size(); 10718 for (int j=0; j<NI; j++) { 10719 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10720 if ("activity".equals(type)) { 10721 final PackageSetting ps = 10722 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10723 final List<PackageParser.Activity> systemActivities = 10724 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10725 adjustPriority(systemActivities, intent); 10726 } 10727 if (DEBUG_SHOW_INFO) { 10728 Log.v(TAG, " IntentFilter:"); 10729 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10730 } 10731 if (!intent.debugCheck()) { 10732 Log.w(TAG, "==> For Activity " + a.info.name); 10733 } 10734 addFilter(intent); 10735 } 10736 } 10737 10738 public final void removeActivity(PackageParser.Activity a, String type) { 10739 mActivities.remove(a.getComponentName()); 10740 if (DEBUG_SHOW_INFO) { 10741 Log.v(TAG, " " + type + " " 10742 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10743 : a.info.name) + ":"); 10744 Log.v(TAG, " Class=" + a.info.name); 10745 } 10746 final int NI = a.intents.size(); 10747 for (int j=0; j<NI; j++) { 10748 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10749 if (DEBUG_SHOW_INFO) { 10750 Log.v(TAG, " IntentFilter:"); 10751 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10752 } 10753 removeFilter(intent); 10754 } 10755 } 10756 10757 @Override 10758 protected boolean allowFilterResult( 10759 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10760 ActivityInfo filterAi = filter.activity.info; 10761 for (int i=dest.size()-1; i>=0; i--) { 10762 ActivityInfo destAi = dest.get(i).activityInfo; 10763 if (destAi.name == filterAi.name 10764 && destAi.packageName == filterAi.packageName) { 10765 return false; 10766 } 10767 } 10768 return true; 10769 } 10770 10771 @Override 10772 protected ActivityIntentInfo[] newArray(int size) { 10773 return new ActivityIntentInfo[size]; 10774 } 10775 10776 @Override 10777 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10778 if (!sUserManager.exists(userId)) return true; 10779 PackageParser.Package p = filter.activity.owner; 10780 if (p != null) { 10781 PackageSetting ps = (PackageSetting)p.mExtras; 10782 if (ps != null) { 10783 // System apps are never considered stopped for purposes of 10784 // filtering, because there may be no way for the user to 10785 // actually re-launch them. 10786 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10787 && ps.getStopped(userId); 10788 } 10789 } 10790 return false; 10791 } 10792 10793 @Override 10794 protected boolean isPackageForFilter(String packageName, 10795 PackageParser.ActivityIntentInfo info) { 10796 return packageName.equals(info.activity.owner.packageName); 10797 } 10798 10799 @Override 10800 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10801 int match, int userId) { 10802 if (!sUserManager.exists(userId)) return null; 10803 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10804 return null; 10805 } 10806 final PackageParser.Activity activity = info.activity; 10807 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10808 if (ps == null) { 10809 return null; 10810 } 10811 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10812 ps.readUserState(userId), userId); 10813 if (ai == null) { 10814 return null; 10815 } 10816 final ResolveInfo res = new ResolveInfo(); 10817 res.activityInfo = ai; 10818 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10819 res.filter = info; 10820 } 10821 if (info != null) { 10822 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10823 } 10824 res.priority = info.getPriority(); 10825 res.preferredOrder = activity.owner.mPreferredOrder; 10826 //System.out.println("Result: " + res.activityInfo.className + 10827 // " = " + res.priority); 10828 res.match = match; 10829 res.isDefault = info.hasDefault; 10830 res.labelRes = info.labelRes; 10831 res.nonLocalizedLabel = info.nonLocalizedLabel; 10832 if (userNeedsBadging(userId)) { 10833 res.noResourceId = true; 10834 } else { 10835 res.icon = info.icon; 10836 } 10837 res.iconResourceId = info.icon; 10838 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10839 return res; 10840 } 10841 10842 @Override 10843 protected void sortResults(List<ResolveInfo> results) { 10844 Collections.sort(results, mResolvePrioritySorter); 10845 } 10846 10847 @Override 10848 protected void dumpFilter(PrintWriter out, String prefix, 10849 PackageParser.ActivityIntentInfo filter) { 10850 out.print(prefix); out.print( 10851 Integer.toHexString(System.identityHashCode(filter.activity))); 10852 out.print(' '); 10853 filter.activity.printComponentShortName(out); 10854 out.print(" filter "); 10855 out.println(Integer.toHexString(System.identityHashCode(filter))); 10856 } 10857 10858 @Override 10859 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10860 return filter.activity; 10861 } 10862 10863 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10864 PackageParser.Activity activity = (PackageParser.Activity)label; 10865 out.print(prefix); out.print( 10866 Integer.toHexString(System.identityHashCode(activity))); 10867 out.print(' '); 10868 activity.printComponentShortName(out); 10869 if (count > 1) { 10870 out.print(" ("); out.print(count); out.print(" filters)"); 10871 } 10872 out.println(); 10873 } 10874 10875 // Keys are String (activity class name), values are Activity. 10876 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10877 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10878 private int mFlags; 10879 } 10880 10881 private final class ServiceIntentResolver 10882 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10883 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10884 boolean defaultOnly, int userId) { 10885 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10886 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10887 } 10888 10889 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10890 int userId) { 10891 if (!sUserManager.exists(userId)) return null; 10892 mFlags = flags; 10893 return super.queryIntent(intent, resolvedType, 10894 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10895 } 10896 10897 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10898 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10899 if (!sUserManager.exists(userId)) return null; 10900 if (packageServices == null) { 10901 return null; 10902 } 10903 mFlags = flags; 10904 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10905 final int N = packageServices.size(); 10906 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10907 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10908 10909 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10910 for (int i = 0; i < N; ++i) { 10911 intentFilters = packageServices.get(i).intents; 10912 if (intentFilters != null && intentFilters.size() > 0) { 10913 PackageParser.ServiceIntentInfo[] array = 10914 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10915 intentFilters.toArray(array); 10916 listCut.add(array); 10917 } 10918 } 10919 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10920 } 10921 10922 public final void addService(PackageParser.Service s) { 10923 mServices.put(s.getComponentName(), s); 10924 if (DEBUG_SHOW_INFO) { 10925 Log.v(TAG, " " 10926 + (s.info.nonLocalizedLabel != null 10927 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10928 Log.v(TAG, " Class=" + s.info.name); 10929 } 10930 final int NI = s.intents.size(); 10931 int j; 10932 for (j=0; j<NI; j++) { 10933 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10934 if (DEBUG_SHOW_INFO) { 10935 Log.v(TAG, " IntentFilter:"); 10936 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10937 } 10938 if (!intent.debugCheck()) { 10939 Log.w(TAG, "==> For Service " + s.info.name); 10940 } 10941 addFilter(intent); 10942 } 10943 } 10944 10945 public final void removeService(PackageParser.Service s) { 10946 mServices.remove(s.getComponentName()); 10947 if (DEBUG_SHOW_INFO) { 10948 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10949 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10950 Log.v(TAG, " Class=" + s.info.name); 10951 } 10952 final int NI = s.intents.size(); 10953 int j; 10954 for (j=0; j<NI; j++) { 10955 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10956 if (DEBUG_SHOW_INFO) { 10957 Log.v(TAG, " IntentFilter:"); 10958 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10959 } 10960 removeFilter(intent); 10961 } 10962 } 10963 10964 @Override 10965 protected boolean allowFilterResult( 10966 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10967 ServiceInfo filterSi = filter.service.info; 10968 for (int i=dest.size()-1; i>=0; i--) { 10969 ServiceInfo destAi = dest.get(i).serviceInfo; 10970 if (destAi.name == filterSi.name 10971 && destAi.packageName == filterSi.packageName) { 10972 return false; 10973 } 10974 } 10975 return true; 10976 } 10977 10978 @Override 10979 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10980 return new PackageParser.ServiceIntentInfo[size]; 10981 } 10982 10983 @Override 10984 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10985 if (!sUserManager.exists(userId)) return true; 10986 PackageParser.Package p = filter.service.owner; 10987 if (p != null) { 10988 PackageSetting ps = (PackageSetting)p.mExtras; 10989 if (ps != null) { 10990 // System apps are never considered stopped for purposes of 10991 // filtering, because there may be no way for the user to 10992 // actually re-launch them. 10993 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10994 && ps.getStopped(userId); 10995 } 10996 } 10997 return false; 10998 } 10999 11000 @Override 11001 protected boolean isPackageForFilter(String packageName, 11002 PackageParser.ServiceIntentInfo info) { 11003 return packageName.equals(info.service.owner.packageName); 11004 } 11005 11006 @Override 11007 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11008 int match, int userId) { 11009 if (!sUserManager.exists(userId)) return null; 11010 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11011 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11012 return null; 11013 } 11014 final PackageParser.Service service = info.service; 11015 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11016 if (ps == null) { 11017 return null; 11018 } 11019 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11020 ps.readUserState(userId), userId); 11021 if (si == null) { 11022 return null; 11023 } 11024 final ResolveInfo res = new ResolveInfo(); 11025 res.serviceInfo = si; 11026 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11027 res.filter = filter; 11028 } 11029 res.priority = info.getPriority(); 11030 res.preferredOrder = service.owner.mPreferredOrder; 11031 res.match = match; 11032 res.isDefault = info.hasDefault; 11033 res.labelRes = info.labelRes; 11034 res.nonLocalizedLabel = info.nonLocalizedLabel; 11035 res.icon = info.icon; 11036 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11037 return res; 11038 } 11039 11040 @Override 11041 protected void sortResults(List<ResolveInfo> results) { 11042 Collections.sort(results, mResolvePrioritySorter); 11043 } 11044 11045 @Override 11046 protected void dumpFilter(PrintWriter out, String prefix, 11047 PackageParser.ServiceIntentInfo filter) { 11048 out.print(prefix); out.print( 11049 Integer.toHexString(System.identityHashCode(filter.service))); 11050 out.print(' '); 11051 filter.service.printComponentShortName(out); 11052 out.print(" filter "); 11053 out.println(Integer.toHexString(System.identityHashCode(filter))); 11054 } 11055 11056 @Override 11057 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11058 return filter.service; 11059 } 11060 11061 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11062 PackageParser.Service service = (PackageParser.Service)label; 11063 out.print(prefix); out.print( 11064 Integer.toHexString(System.identityHashCode(service))); 11065 out.print(' '); 11066 service.printComponentShortName(out); 11067 if (count > 1) { 11068 out.print(" ("); out.print(count); out.print(" filters)"); 11069 } 11070 out.println(); 11071 } 11072 11073// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11074// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11075// final List<ResolveInfo> retList = Lists.newArrayList(); 11076// while (i.hasNext()) { 11077// final ResolveInfo resolveInfo = (ResolveInfo) i; 11078// if (isEnabledLP(resolveInfo.serviceInfo)) { 11079// retList.add(resolveInfo); 11080// } 11081// } 11082// return retList; 11083// } 11084 11085 // Keys are String (activity class name), values are Activity. 11086 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11087 = new ArrayMap<ComponentName, PackageParser.Service>(); 11088 private int mFlags; 11089 }; 11090 11091 private final class ProviderIntentResolver 11092 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11093 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11094 boolean defaultOnly, int userId) { 11095 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11096 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11097 } 11098 11099 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11100 int userId) { 11101 if (!sUserManager.exists(userId)) 11102 return null; 11103 mFlags = flags; 11104 return super.queryIntent(intent, resolvedType, 11105 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11106 } 11107 11108 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11109 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11110 if (!sUserManager.exists(userId)) 11111 return null; 11112 if (packageProviders == null) { 11113 return null; 11114 } 11115 mFlags = flags; 11116 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11117 final int N = packageProviders.size(); 11118 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11119 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11120 11121 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11122 for (int i = 0; i < N; ++i) { 11123 intentFilters = packageProviders.get(i).intents; 11124 if (intentFilters != null && intentFilters.size() > 0) { 11125 PackageParser.ProviderIntentInfo[] array = 11126 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11127 intentFilters.toArray(array); 11128 listCut.add(array); 11129 } 11130 } 11131 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11132 } 11133 11134 public final void addProvider(PackageParser.Provider p) { 11135 if (mProviders.containsKey(p.getComponentName())) { 11136 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11137 return; 11138 } 11139 11140 mProviders.put(p.getComponentName(), p); 11141 if (DEBUG_SHOW_INFO) { 11142 Log.v(TAG, " " 11143 + (p.info.nonLocalizedLabel != null 11144 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11145 Log.v(TAG, " Class=" + p.info.name); 11146 } 11147 final int NI = p.intents.size(); 11148 int j; 11149 for (j = 0; j < NI; j++) { 11150 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11151 if (DEBUG_SHOW_INFO) { 11152 Log.v(TAG, " IntentFilter:"); 11153 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11154 } 11155 if (!intent.debugCheck()) { 11156 Log.w(TAG, "==> For Provider " + p.info.name); 11157 } 11158 addFilter(intent); 11159 } 11160 } 11161 11162 public final void removeProvider(PackageParser.Provider p) { 11163 mProviders.remove(p.getComponentName()); 11164 if (DEBUG_SHOW_INFO) { 11165 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11166 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11167 Log.v(TAG, " Class=" + p.info.name); 11168 } 11169 final int NI = p.intents.size(); 11170 int j; 11171 for (j = 0; j < NI; j++) { 11172 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11173 if (DEBUG_SHOW_INFO) { 11174 Log.v(TAG, " IntentFilter:"); 11175 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11176 } 11177 removeFilter(intent); 11178 } 11179 } 11180 11181 @Override 11182 protected boolean allowFilterResult( 11183 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11184 ProviderInfo filterPi = filter.provider.info; 11185 for (int i = dest.size() - 1; i >= 0; i--) { 11186 ProviderInfo destPi = dest.get(i).providerInfo; 11187 if (destPi.name == filterPi.name 11188 && destPi.packageName == filterPi.packageName) { 11189 return false; 11190 } 11191 } 11192 return true; 11193 } 11194 11195 @Override 11196 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11197 return new PackageParser.ProviderIntentInfo[size]; 11198 } 11199 11200 @Override 11201 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11202 if (!sUserManager.exists(userId)) 11203 return true; 11204 PackageParser.Package p = filter.provider.owner; 11205 if (p != null) { 11206 PackageSetting ps = (PackageSetting) p.mExtras; 11207 if (ps != null) { 11208 // System apps are never considered stopped for purposes of 11209 // filtering, because there may be no way for the user to 11210 // actually re-launch them. 11211 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11212 && ps.getStopped(userId); 11213 } 11214 } 11215 return false; 11216 } 11217 11218 @Override 11219 protected boolean isPackageForFilter(String packageName, 11220 PackageParser.ProviderIntentInfo info) { 11221 return packageName.equals(info.provider.owner.packageName); 11222 } 11223 11224 @Override 11225 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11226 int match, int userId) { 11227 if (!sUserManager.exists(userId)) 11228 return null; 11229 final PackageParser.ProviderIntentInfo info = filter; 11230 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11231 return null; 11232 } 11233 final PackageParser.Provider provider = info.provider; 11234 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11235 if (ps == null) { 11236 return null; 11237 } 11238 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11239 ps.readUserState(userId), userId); 11240 if (pi == null) { 11241 return null; 11242 } 11243 final ResolveInfo res = new ResolveInfo(); 11244 res.providerInfo = pi; 11245 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11246 res.filter = filter; 11247 } 11248 res.priority = info.getPriority(); 11249 res.preferredOrder = provider.owner.mPreferredOrder; 11250 res.match = match; 11251 res.isDefault = info.hasDefault; 11252 res.labelRes = info.labelRes; 11253 res.nonLocalizedLabel = info.nonLocalizedLabel; 11254 res.icon = info.icon; 11255 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11256 return res; 11257 } 11258 11259 @Override 11260 protected void sortResults(List<ResolveInfo> results) { 11261 Collections.sort(results, mResolvePrioritySorter); 11262 } 11263 11264 @Override 11265 protected void dumpFilter(PrintWriter out, String prefix, 11266 PackageParser.ProviderIntentInfo filter) { 11267 out.print(prefix); 11268 out.print( 11269 Integer.toHexString(System.identityHashCode(filter.provider))); 11270 out.print(' '); 11271 filter.provider.printComponentShortName(out); 11272 out.print(" filter "); 11273 out.println(Integer.toHexString(System.identityHashCode(filter))); 11274 } 11275 11276 @Override 11277 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11278 return filter.provider; 11279 } 11280 11281 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11282 PackageParser.Provider provider = (PackageParser.Provider)label; 11283 out.print(prefix); out.print( 11284 Integer.toHexString(System.identityHashCode(provider))); 11285 out.print(' '); 11286 provider.printComponentShortName(out); 11287 if (count > 1) { 11288 out.print(" ("); out.print(count); out.print(" filters)"); 11289 } 11290 out.println(); 11291 } 11292 11293 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11294 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11295 private int mFlags; 11296 } 11297 11298 private static final class EphemeralIntentResolver 11299 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11300 @Override 11301 protected EphemeralResolveIntentInfo[] newArray(int size) { 11302 return new EphemeralResolveIntentInfo[size]; 11303 } 11304 11305 @Override 11306 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11307 return true; 11308 } 11309 11310 @Override 11311 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11312 int userId) { 11313 if (!sUserManager.exists(userId)) { 11314 return null; 11315 } 11316 return info.getEphemeralResolveInfo(); 11317 } 11318 } 11319 11320 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11321 new Comparator<ResolveInfo>() { 11322 public int compare(ResolveInfo r1, ResolveInfo r2) { 11323 int v1 = r1.priority; 11324 int v2 = r2.priority; 11325 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11326 if (v1 != v2) { 11327 return (v1 > v2) ? -1 : 1; 11328 } 11329 v1 = r1.preferredOrder; 11330 v2 = r2.preferredOrder; 11331 if (v1 != v2) { 11332 return (v1 > v2) ? -1 : 1; 11333 } 11334 if (r1.isDefault != r2.isDefault) { 11335 return r1.isDefault ? -1 : 1; 11336 } 11337 v1 = r1.match; 11338 v2 = r2.match; 11339 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11340 if (v1 != v2) { 11341 return (v1 > v2) ? -1 : 1; 11342 } 11343 if (r1.system != r2.system) { 11344 return r1.system ? -1 : 1; 11345 } 11346 if (r1.activityInfo != null) { 11347 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11348 } 11349 if (r1.serviceInfo != null) { 11350 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11351 } 11352 if (r1.providerInfo != null) { 11353 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11354 } 11355 return 0; 11356 } 11357 }; 11358 11359 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11360 new Comparator<ProviderInfo>() { 11361 public int compare(ProviderInfo p1, ProviderInfo p2) { 11362 final int v1 = p1.initOrder; 11363 final int v2 = p2.initOrder; 11364 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11365 } 11366 }; 11367 11368 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11369 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11370 final int[] userIds) { 11371 mHandler.post(new Runnable() { 11372 @Override 11373 public void run() { 11374 try { 11375 final IActivityManager am = ActivityManagerNative.getDefault(); 11376 if (am == null) return; 11377 final int[] resolvedUserIds; 11378 if (userIds == null) { 11379 resolvedUserIds = am.getRunningUserIds(); 11380 } else { 11381 resolvedUserIds = userIds; 11382 } 11383 for (int id : resolvedUserIds) { 11384 final Intent intent = new Intent(action, 11385 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11386 if (extras != null) { 11387 intent.putExtras(extras); 11388 } 11389 if (targetPkg != null) { 11390 intent.setPackage(targetPkg); 11391 } 11392 // Modify the UID when posting to other users 11393 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11394 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11395 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11396 intent.putExtra(Intent.EXTRA_UID, uid); 11397 } 11398 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11399 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11400 if (DEBUG_BROADCASTS) { 11401 RuntimeException here = new RuntimeException("here"); 11402 here.fillInStackTrace(); 11403 Slog.d(TAG, "Sending to user " + id + ": " 11404 + intent.toShortString(false, true, false, false) 11405 + " " + intent.getExtras(), here); 11406 } 11407 am.broadcastIntent(null, intent, null, finishedReceiver, 11408 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11409 null, finishedReceiver != null, false, id); 11410 } 11411 } catch (RemoteException ex) { 11412 } 11413 } 11414 }); 11415 } 11416 11417 /** 11418 * Check if the external storage media is available. This is true if there 11419 * is a mounted external storage medium or if the external storage is 11420 * emulated. 11421 */ 11422 private boolean isExternalMediaAvailable() { 11423 return mMediaMounted || Environment.isExternalStorageEmulated(); 11424 } 11425 11426 @Override 11427 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11428 // writer 11429 synchronized (mPackages) { 11430 if (!isExternalMediaAvailable()) { 11431 // If the external storage is no longer mounted at this point, 11432 // the caller may not have been able to delete all of this 11433 // packages files and can not delete any more. Bail. 11434 return null; 11435 } 11436 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11437 if (lastPackage != null) { 11438 pkgs.remove(lastPackage); 11439 } 11440 if (pkgs.size() > 0) { 11441 return pkgs.get(0); 11442 } 11443 } 11444 return null; 11445 } 11446 11447 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11448 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11449 userId, andCode ? 1 : 0, packageName); 11450 if (mSystemReady) { 11451 msg.sendToTarget(); 11452 } else { 11453 if (mPostSystemReadyMessages == null) { 11454 mPostSystemReadyMessages = new ArrayList<>(); 11455 } 11456 mPostSystemReadyMessages.add(msg); 11457 } 11458 } 11459 11460 void startCleaningPackages() { 11461 // reader 11462 if (!isExternalMediaAvailable()) { 11463 return; 11464 } 11465 synchronized (mPackages) { 11466 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11467 return; 11468 } 11469 } 11470 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11471 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11472 IActivityManager am = ActivityManagerNative.getDefault(); 11473 if (am != null) { 11474 try { 11475 am.startService(null, intent, null, mContext.getOpPackageName(), 11476 UserHandle.USER_SYSTEM); 11477 } catch (RemoteException e) { 11478 } 11479 } 11480 } 11481 11482 @Override 11483 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11484 int installFlags, String installerPackageName, int userId) { 11485 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11486 11487 final int callingUid = Binder.getCallingUid(); 11488 enforceCrossUserPermission(callingUid, userId, 11489 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11490 11491 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11492 try { 11493 if (observer != null) { 11494 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11495 } 11496 } catch (RemoteException re) { 11497 } 11498 return; 11499 } 11500 11501 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11502 installFlags |= PackageManager.INSTALL_FROM_ADB; 11503 11504 } else { 11505 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11506 // about installerPackageName. 11507 11508 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11509 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11510 } 11511 11512 UserHandle user; 11513 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11514 user = UserHandle.ALL; 11515 } else { 11516 user = new UserHandle(userId); 11517 } 11518 11519 // Only system components can circumvent runtime permissions when installing. 11520 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11521 && mContext.checkCallingOrSelfPermission(Manifest.permission 11522 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11523 throw new SecurityException("You need the " 11524 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11525 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11526 } 11527 11528 final File originFile = new File(originPath); 11529 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11530 11531 final Message msg = mHandler.obtainMessage(INIT_COPY); 11532 final VerificationInfo verificationInfo = new VerificationInfo( 11533 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11534 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11535 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11536 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11537 null /*certificates*/); 11538 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11539 msg.obj = params; 11540 11541 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11542 System.identityHashCode(msg.obj)); 11543 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11544 System.identityHashCode(msg.obj)); 11545 11546 mHandler.sendMessage(msg); 11547 } 11548 11549 void installStage(String packageName, File stagedDir, String stagedCid, 11550 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11551 String installerPackageName, int installerUid, UserHandle user, 11552 Certificate[][] certificates) { 11553 if (DEBUG_EPHEMERAL) { 11554 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11555 Slog.d(TAG, "Ephemeral install of " + packageName); 11556 } 11557 } 11558 final VerificationInfo verificationInfo = new VerificationInfo( 11559 sessionParams.originatingUri, sessionParams.referrerUri, 11560 sessionParams.originatingUid, installerUid); 11561 11562 final OriginInfo origin; 11563 if (stagedDir != null) { 11564 origin = OriginInfo.fromStagedFile(stagedDir); 11565 } else { 11566 origin = OriginInfo.fromStagedContainer(stagedCid); 11567 } 11568 11569 final Message msg = mHandler.obtainMessage(INIT_COPY); 11570 final InstallParams params = new InstallParams(origin, null, observer, 11571 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11572 verificationInfo, user, sessionParams.abiOverride, 11573 sessionParams.grantedRuntimePermissions, certificates); 11574 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11575 msg.obj = params; 11576 11577 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11578 System.identityHashCode(msg.obj)); 11579 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11580 System.identityHashCode(msg.obj)); 11581 11582 mHandler.sendMessage(msg); 11583 } 11584 11585 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11586 int userId) { 11587 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11588 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11589 } 11590 11591 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11592 int appId, int userId) { 11593 Bundle extras = new Bundle(1); 11594 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11595 11596 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11597 packageName, extras, 0, null, null, new int[] {userId}); 11598 try { 11599 IActivityManager am = ActivityManagerNative.getDefault(); 11600 if (isSystem && am.isUserRunning(userId, 0)) { 11601 // The just-installed/enabled app is bundled on the system, so presumed 11602 // to be able to run automatically without needing an explicit launch. 11603 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11604 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11605 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11606 .setPackage(packageName); 11607 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11608 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11609 } 11610 } catch (RemoteException e) { 11611 // shouldn't happen 11612 Slog.w(TAG, "Unable to bootstrap installed package", e); 11613 } 11614 } 11615 11616 @Override 11617 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11618 int userId) { 11619 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11620 PackageSetting pkgSetting; 11621 final int uid = Binder.getCallingUid(); 11622 enforceCrossUserPermission(uid, userId, 11623 true /* requireFullPermission */, true /* checkShell */, 11624 "setApplicationHiddenSetting for user " + userId); 11625 11626 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11627 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11628 return false; 11629 } 11630 11631 long callingId = Binder.clearCallingIdentity(); 11632 try { 11633 boolean sendAdded = false; 11634 boolean sendRemoved = false; 11635 // writer 11636 synchronized (mPackages) { 11637 pkgSetting = mSettings.mPackages.get(packageName); 11638 if (pkgSetting == null) { 11639 return false; 11640 } 11641 if (pkgSetting.getHidden(userId) != hidden) { 11642 pkgSetting.setHidden(hidden, userId); 11643 mSettings.writePackageRestrictionsLPr(userId); 11644 if (hidden) { 11645 sendRemoved = true; 11646 } else { 11647 sendAdded = true; 11648 } 11649 } 11650 } 11651 if (sendAdded) { 11652 sendPackageAddedForUser(packageName, pkgSetting, userId); 11653 return true; 11654 } 11655 if (sendRemoved) { 11656 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11657 "hiding pkg"); 11658 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11659 return true; 11660 } 11661 } finally { 11662 Binder.restoreCallingIdentity(callingId); 11663 } 11664 return false; 11665 } 11666 11667 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11668 int userId) { 11669 final PackageRemovedInfo info = new PackageRemovedInfo(); 11670 info.removedPackage = packageName; 11671 info.removedUsers = new int[] {userId}; 11672 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11673 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11674 } 11675 11676 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11677 if (pkgList.length > 0) { 11678 Bundle extras = new Bundle(1); 11679 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11680 11681 sendPackageBroadcast( 11682 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11683 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11684 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11685 new int[] {userId}); 11686 } 11687 } 11688 11689 /** 11690 * Returns true if application is not found or there was an error. Otherwise it returns 11691 * the hidden state of the package for the given user. 11692 */ 11693 @Override 11694 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11695 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11696 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11697 true /* requireFullPermission */, false /* checkShell */, 11698 "getApplicationHidden for user " + userId); 11699 PackageSetting pkgSetting; 11700 long callingId = Binder.clearCallingIdentity(); 11701 try { 11702 // writer 11703 synchronized (mPackages) { 11704 pkgSetting = mSettings.mPackages.get(packageName); 11705 if (pkgSetting == null) { 11706 return true; 11707 } 11708 return pkgSetting.getHidden(userId); 11709 } 11710 } finally { 11711 Binder.restoreCallingIdentity(callingId); 11712 } 11713 } 11714 11715 /** 11716 * @hide 11717 */ 11718 @Override 11719 public int installExistingPackageAsUser(String packageName, int userId) { 11720 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11721 null); 11722 PackageSetting pkgSetting; 11723 final int uid = Binder.getCallingUid(); 11724 enforceCrossUserPermission(uid, userId, 11725 true /* requireFullPermission */, true /* checkShell */, 11726 "installExistingPackage for user " + userId); 11727 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11728 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11729 } 11730 11731 long callingId = Binder.clearCallingIdentity(); 11732 try { 11733 boolean installed = false; 11734 11735 // writer 11736 synchronized (mPackages) { 11737 pkgSetting = mSettings.mPackages.get(packageName); 11738 if (pkgSetting == null) { 11739 return PackageManager.INSTALL_FAILED_INVALID_URI; 11740 } 11741 if (!pkgSetting.getInstalled(userId)) { 11742 pkgSetting.setInstalled(true, userId); 11743 pkgSetting.setHidden(false, userId); 11744 mSettings.writePackageRestrictionsLPr(userId); 11745 installed = true; 11746 } 11747 } 11748 11749 if (installed) { 11750 if (pkgSetting.pkg != null) { 11751 synchronized (mInstallLock) { 11752 // We don't need to freeze for a brand new install 11753 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11754 } 11755 } 11756 sendPackageAddedForUser(packageName, pkgSetting, userId); 11757 } 11758 } finally { 11759 Binder.restoreCallingIdentity(callingId); 11760 } 11761 11762 return PackageManager.INSTALL_SUCCEEDED; 11763 } 11764 11765 boolean isUserRestricted(int userId, String restrictionKey) { 11766 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11767 if (restrictions.getBoolean(restrictionKey, false)) { 11768 Log.w(TAG, "User is restricted: " + restrictionKey); 11769 return true; 11770 } 11771 return false; 11772 } 11773 11774 @Override 11775 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11776 int userId) { 11777 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11778 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11779 true /* requireFullPermission */, true /* checkShell */, 11780 "setPackagesSuspended for user " + userId); 11781 11782 if (ArrayUtils.isEmpty(packageNames)) { 11783 return packageNames; 11784 } 11785 11786 // List of package names for whom the suspended state has changed. 11787 List<String> changedPackages = new ArrayList<>(packageNames.length); 11788 // List of package names for whom the suspended state is not set as requested in this 11789 // method. 11790 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11791 long callingId = Binder.clearCallingIdentity(); 11792 try { 11793 for (int i = 0; i < packageNames.length; i++) { 11794 String packageName = packageNames[i]; 11795 boolean changed = false; 11796 final int appId; 11797 synchronized (mPackages) { 11798 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11799 if (pkgSetting == null) { 11800 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11801 + "\". Skipping suspending/un-suspending."); 11802 unactionedPackages.add(packageName); 11803 continue; 11804 } 11805 appId = pkgSetting.appId; 11806 if (pkgSetting.getSuspended(userId) != suspended) { 11807 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11808 unactionedPackages.add(packageName); 11809 continue; 11810 } 11811 pkgSetting.setSuspended(suspended, userId); 11812 mSettings.writePackageRestrictionsLPr(userId); 11813 changed = true; 11814 changedPackages.add(packageName); 11815 } 11816 } 11817 11818 if (changed && suspended) { 11819 killApplication(packageName, UserHandle.getUid(userId, appId), 11820 "suspending package"); 11821 } 11822 } 11823 } finally { 11824 Binder.restoreCallingIdentity(callingId); 11825 } 11826 11827 if (!changedPackages.isEmpty()) { 11828 sendPackagesSuspendedForUser(changedPackages.toArray( 11829 new String[changedPackages.size()]), userId, suspended); 11830 } 11831 11832 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11833 } 11834 11835 @Override 11836 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11837 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11838 true /* requireFullPermission */, false /* checkShell */, 11839 "isPackageSuspendedForUser for user " + userId); 11840 synchronized (mPackages) { 11841 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11842 if (pkgSetting == null) { 11843 throw new IllegalArgumentException("Unknown target package: " + packageName); 11844 } 11845 return pkgSetting.getSuspended(userId); 11846 } 11847 } 11848 11849 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11850 if (isPackageDeviceAdmin(packageName, userId)) { 11851 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11852 + "\": has an active device admin"); 11853 return false; 11854 } 11855 11856 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11857 if (packageName.equals(activeLauncherPackageName)) { 11858 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11859 + "\": contains the active launcher"); 11860 return false; 11861 } 11862 11863 if (packageName.equals(mRequiredInstallerPackage)) { 11864 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11865 + "\": required for package installation"); 11866 return false; 11867 } 11868 11869 if (packageName.equals(mRequiredVerifierPackage)) { 11870 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11871 + "\": required for package verification"); 11872 return false; 11873 } 11874 11875 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11876 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11877 + "\": is the default dialer"); 11878 return false; 11879 } 11880 11881 return true; 11882 } 11883 11884 private String getActiveLauncherPackageName(int userId) { 11885 Intent intent = new Intent(Intent.ACTION_MAIN); 11886 intent.addCategory(Intent.CATEGORY_HOME); 11887 ResolveInfo resolveInfo = resolveIntent( 11888 intent, 11889 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11890 PackageManager.MATCH_DEFAULT_ONLY, 11891 userId); 11892 11893 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11894 } 11895 11896 private String getDefaultDialerPackageName(int userId) { 11897 synchronized (mPackages) { 11898 return mSettings.getDefaultDialerPackageNameLPw(userId); 11899 } 11900 } 11901 11902 @Override 11903 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11904 mContext.enforceCallingOrSelfPermission( 11905 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11906 "Only package verification agents can verify applications"); 11907 11908 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11909 final PackageVerificationResponse response = new PackageVerificationResponse( 11910 verificationCode, Binder.getCallingUid()); 11911 msg.arg1 = id; 11912 msg.obj = response; 11913 mHandler.sendMessage(msg); 11914 } 11915 11916 @Override 11917 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11918 long millisecondsToDelay) { 11919 mContext.enforceCallingOrSelfPermission( 11920 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11921 "Only package verification agents can extend verification timeouts"); 11922 11923 final PackageVerificationState state = mPendingVerification.get(id); 11924 final PackageVerificationResponse response = new PackageVerificationResponse( 11925 verificationCodeAtTimeout, Binder.getCallingUid()); 11926 11927 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11928 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11929 } 11930 if (millisecondsToDelay < 0) { 11931 millisecondsToDelay = 0; 11932 } 11933 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11934 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11935 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11936 } 11937 11938 if ((state != null) && !state.timeoutExtended()) { 11939 state.extendTimeout(); 11940 11941 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11942 msg.arg1 = id; 11943 msg.obj = response; 11944 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11945 } 11946 } 11947 11948 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11949 int verificationCode, UserHandle user) { 11950 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11951 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11952 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11953 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11954 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11955 11956 mContext.sendBroadcastAsUser(intent, user, 11957 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11958 } 11959 11960 private ComponentName matchComponentForVerifier(String packageName, 11961 List<ResolveInfo> receivers) { 11962 ActivityInfo targetReceiver = null; 11963 11964 final int NR = receivers.size(); 11965 for (int i = 0; i < NR; i++) { 11966 final ResolveInfo info = receivers.get(i); 11967 if (info.activityInfo == null) { 11968 continue; 11969 } 11970 11971 if (packageName.equals(info.activityInfo.packageName)) { 11972 targetReceiver = info.activityInfo; 11973 break; 11974 } 11975 } 11976 11977 if (targetReceiver == null) { 11978 return null; 11979 } 11980 11981 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11982 } 11983 11984 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11985 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11986 if (pkgInfo.verifiers.length == 0) { 11987 return null; 11988 } 11989 11990 final int N = pkgInfo.verifiers.length; 11991 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11992 for (int i = 0; i < N; i++) { 11993 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11994 11995 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11996 receivers); 11997 if (comp == null) { 11998 continue; 11999 } 12000 12001 final int verifierUid = getUidForVerifier(verifierInfo); 12002 if (verifierUid == -1) { 12003 continue; 12004 } 12005 12006 if (DEBUG_VERIFY) { 12007 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12008 + " with the correct signature"); 12009 } 12010 sufficientVerifiers.add(comp); 12011 verificationState.addSufficientVerifier(verifierUid); 12012 } 12013 12014 return sufficientVerifiers; 12015 } 12016 12017 private int getUidForVerifier(VerifierInfo verifierInfo) { 12018 synchronized (mPackages) { 12019 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12020 if (pkg == null) { 12021 return -1; 12022 } else if (pkg.mSignatures.length != 1) { 12023 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12024 + " has more than one signature; ignoring"); 12025 return -1; 12026 } 12027 12028 /* 12029 * If the public key of the package's signature does not match 12030 * our expected public key, then this is a different package and 12031 * we should skip. 12032 */ 12033 12034 final byte[] expectedPublicKey; 12035 try { 12036 final Signature verifierSig = pkg.mSignatures[0]; 12037 final PublicKey publicKey = verifierSig.getPublicKey(); 12038 expectedPublicKey = publicKey.getEncoded(); 12039 } catch (CertificateException e) { 12040 return -1; 12041 } 12042 12043 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12044 12045 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12046 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12047 + " does not have the expected public key; ignoring"); 12048 return -1; 12049 } 12050 12051 return pkg.applicationInfo.uid; 12052 } 12053 } 12054 12055 @Override 12056 public void finishPackageInstall(int token, boolean didLaunch) { 12057 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12058 12059 if (DEBUG_INSTALL) { 12060 Slog.v(TAG, "BM finishing package install for " + token); 12061 } 12062 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12063 12064 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12065 mHandler.sendMessage(msg); 12066 } 12067 12068 /** 12069 * Get the verification agent timeout. 12070 * 12071 * @return verification timeout in milliseconds 12072 */ 12073 private long getVerificationTimeout() { 12074 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12075 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12076 DEFAULT_VERIFICATION_TIMEOUT); 12077 } 12078 12079 /** 12080 * Get the default verification agent response code. 12081 * 12082 * @return default verification response code 12083 */ 12084 private int getDefaultVerificationResponse() { 12085 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12086 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12087 DEFAULT_VERIFICATION_RESPONSE); 12088 } 12089 12090 /** 12091 * Check whether or not package verification has been enabled. 12092 * 12093 * @return true if verification should be performed 12094 */ 12095 private boolean isVerificationEnabled(int userId, int installFlags) { 12096 if (!DEFAULT_VERIFY_ENABLE) { 12097 return false; 12098 } 12099 // Ephemeral apps don't get the full verification treatment 12100 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12101 if (DEBUG_EPHEMERAL) { 12102 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12103 } 12104 return false; 12105 } 12106 12107 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12108 12109 // Check if installing from ADB 12110 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12111 // Do not run verification in a test harness environment 12112 if (ActivityManager.isRunningInTestHarness()) { 12113 return false; 12114 } 12115 if (ensureVerifyAppsEnabled) { 12116 return true; 12117 } 12118 // Check if the developer does not want package verification for ADB installs 12119 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12120 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12121 return false; 12122 } 12123 } 12124 12125 if (ensureVerifyAppsEnabled) { 12126 return true; 12127 } 12128 12129 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12130 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12131 } 12132 12133 @Override 12134 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12135 throws RemoteException { 12136 mContext.enforceCallingOrSelfPermission( 12137 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12138 "Only intentfilter verification agents can verify applications"); 12139 12140 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12141 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12142 Binder.getCallingUid(), verificationCode, failedDomains); 12143 msg.arg1 = id; 12144 msg.obj = response; 12145 mHandler.sendMessage(msg); 12146 } 12147 12148 @Override 12149 public int getIntentVerificationStatus(String packageName, int userId) { 12150 synchronized (mPackages) { 12151 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12152 } 12153 } 12154 12155 @Override 12156 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12157 mContext.enforceCallingOrSelfPermission( 12158 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12159 12160 boolean result = false; 12161 synchronized (mPackages) { 12162 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12163 } 12164 if (result) { 12165 scheduleWritePackageRestrictionsLocked(userId); 12166 } 12167 return result; 12168 } 12169 12170 @Override 12171 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12172 String packageName) { 12173 synchronized (mPackages) { 12174 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12175 } 12176 } 12177 12178 @Override 12179 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12180 if (TextUtils.isEmpty(packageName)) { 12181 return ParceledListSlice.emptyList(); 12182 } 12183 synchronized (mPackages) { 12184 PackageParser.Package pkg = mPackages.get(packageName); 12185 if (pkg == null || pkg.activities == null) { 12186 return ParceledListSlice.emptyList(); 12187 } 12188 final int count = pkg.activities.size(); 12189 ArrayList<IntentFilter> result = new ArrayList<>(); 12190 for (int n=0; n<count; n++) { 12191 PackageParser.Activity activity = pkg.activities.get(n); 12192 if (activity.intents != null && activity.intents.size() > 0) { 12193 result.addAll(activity.intents); 12194 } 12195 } 12196 return new ParceledListSlice<>(result); 12197 } 12198 } 12199 12200 @Override 12201 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12202 mContext.enforceCallingOrSelfPermission( 12203 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12204 12205 synchronized (mPackages) { 12206 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12207 if (packageName != null) { 12208 result |= updateIntentVerificationStatus(packageName, 12209 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12210 userId); 12211 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12212 packageName, userId); 12213 } 12214 return result; 12215 } 12216 } 12217 12218 @Override 12219 public String getDefaultBrowserPackageName(int userId) { 12220 synchronized (mPackages) { 12221 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12222 } 12223 } 12224 12225 /** 12226 * Get the "allow unknown sources" setting. 12227 * 12228 * @return the current "allow unknown sources" setting 12229 */ 12230 private int getUnknownSourcesSettings() { 12231 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12232 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12233 -1); 12234 } 12235 12236 @Override 12237 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12238 final int uid = Binder.getCallingUid(); 12239 // writer 12240 synchronized (mPackages) { 12241 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12242 if (targetPackageSetting == null) { 12243 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12244 } 12245 12246 PackageSetting installerPackageSetting; 12247 if (installerPackageName != null) { 12248 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12249 if (installerPackageSetting == null) { 12250 throw new IllegalArgumentException("Unknown installer package: " 12251 + installerPackageName); 12252 } 12253 } else { 12254 installerPackageSetting = null; 12255 } 12256 12257 Signature[] callerSignature; 12258 Object obj = mSettings.getUserIdLPr(uid); 12259 if (obj != null) { 12260 if (obj instanceof SharedUserSetting) { 12261 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12262 } else if (obj instanceof PackageSetting) { 12263 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12264 } else { 12265 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12266 } 12267 } else { 12268 throw new SecurityException("Unknown calling UID: " + uid); 12269 } 12270 12271 // Verify: can't set installerPackageName to a package that is 12272 // not signed with the same cert as the caller. 12273 if (installerPackageSetting != null) { 12274 if (compareSignatures(callerSignature, 12275 installerPackageSetting.signatures.mSignatures) 12276 != PackageManager.SIGNATURE_MATCH) { 12277 throw new SecurityException( 12278 "Caller does not have same cert as new installer package " 12279 + installerPackageName); 12280 } 12281 } 12282 12283 // Verify: if target already has an installer package, it must 12284 // be signed with the same cert as the caller. 12285 if (targetPackageSetting.installerPackageName != null) { 12286 PackageSetting setting = mSettings.mPackages.get( 12287 targetPackageSetting.installerPackageName); 12288 // If the currently set package isn't valid, then it's always 12289 // okay to change it. 12290 if (setting != null) { 12291 if (compareSignatures(callerSignature, 12292 setting.signatures.mSignatures) 12293 != PackageManager.SIGNATURE_MATCH) { 12294 throw new SecurityException( 12295 "Caller does not have same cert as old installer package " 12296 + targetPackageSetting.installerPackageName); 12297 } 12298 } 12299 } 12300 12301 // Okay! 12302 targetPackageSetting.installerPackageName = installerPackageName; 12303 if (installerPackageName != null) { 12304 mSettings.mInstallerPackages.add(installerPackageName); 12305 } 12306 scheduleWriteSettingsLocked(); 12307 } 12308 } 12309 12310 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12311 // Queue up an async operation since the package installation may take a little while. 12312 mHandler.post(new Runnable() { 12313 public void run() { 12314 mHandler.removeCallbacks(this); 12315 // Result object to be returned 12316 PackageInstalledInfo res = new PackageInstalledInfo(); 12317 res.setReturnCode(currentStatus); 12318 res.uid = -1; 12319 res.pkg = null; 12320 res.removedInfo = null; 12321 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12322 args.doPreInstall(res.returnCode); 12323 synchronized (mInstallLock) { 12324 installPackageTracedLI(args, res); 12325 } 12326 args.doPostInstall(res.returnCode, res.uid); 12327 } 12328 12329 // A restore should be performed at this point if (a) the install 12330 // succeeded, (b) the operation is not an update, and (c) the new 12331 // package has not opted out of backup participation. 12332 final boolean update = res.removedInfo != null 12333 && res.removedInfo.removedPackage != null; 12334 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12335 boolean doRestore = !update 12336 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12337 12338 // Set up the post-install work request bookkeeping. This will be used 12339 // and cleaned up by the post-install event handling regardless of whether 12340 // there's a restore pass performed. Token values are >= 1. 12341 int token; 12342 if (mNextInstallToken < 0) mNextInstallToken = 1; 12343 token = mNextInstallToken++; 12344 12345 PostInstallData data = new PostInstallData(args, res); 12346 mRunningInstalls.put(token, data); 12347 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12348 12349 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12350 // Pass responsibility to the Backup Manager. It will perform a 12351 // restore if appropriate, then pass responsibility back to the 12352 // Package Manager to run the post-install observer callbacks 12353 // and broadcasts. 12354 IBackupManager bm = IBackupManager.Stub.asInterface( 12355 ServiceManager.getService(Context.BACKUP_SERVICE)); 12356 if (bm != null) { 12357 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12358 + " to BM for possible restore"); 12359 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12360 try { 12361 // TODO: http://b/22388012 12362 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12363 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12364 } else { 12365 doRestore = false; 12366 } 12367 } catch (RemoteException e) { 12368 // can't happen; the backup manager is local 12369 } catch (Exception e) { 12370 Slog.e(TAG, "Exception trying to enqueue restore", e); 12371 doRestore = false; 12372 } 12373 } else { 12374 Slog.e(TAG, "Backup Manager not found!"); 12375 doRestore = false; 12376 } 12377 } 12378 12379 if (!doRestore) { 12380 // No restore possible, or the Backup Manager was mysteriously not 12381 // available -- just fire the post-install work request directly. 12382 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12383 12384 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12385 12386 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12387 mHandler.sendMessage(msg); 12388 } 12389 } 12390 }); 12391 } 12392 12393 /** 12394 * Callback from PackageSettings whenever an app is first transitioned out of the 12395 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12396 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12397 * here whether the app is the target of an ongoing install, and only send the 12398 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12399 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12400 * handling. 12401 */ 12402 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12403 // Serialize this with the rest of the install-process message chain. In the 12404 // restore-at-install case, this Runnable will necessarily run before the 12405 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12406 // are coherent. In the non-restore case, the app has already completed install 12407 // and been launched through some other means, so it is not in a problematic 12408 // state for observers to see the FIRST_LAUNCH signal. 12409 mHandler.post(new Runnable() { 12410 @Override 12411 public void run() { 12412 for (int i = 0; i < mRunningInstalls.size(); i++) { 12413 final PostInstallData data = mRunningInstalls.valueAt(i); 12414 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12415 // right package; but is it for the right user? 12416 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12417 if (userId == data.res.newUsers[uIndex]) { 12418 if (DEBUG_BACKUP) { 12419 Slog.i(TAG, "Package " + pkgName 12420 + " being restored so deferring FIRST_LAUNCH"); 12421 } 12422 return; 12423 } 12424 } 12425 } 12426 } 12427 // didn't find it, so not being restored 12428 if (DEBUG_BACKUP) { 12429 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12430 } 12431 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12432 } 12433 }); 12434 } 12435 12436 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12437 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12438 installerPkg, null, userIds); 12439 } 12440 12441 private abstract class HandlerParams { 12442 private static final int MAX_RETRIES = 4; 12443 12444 /** 12445 * Number of times startCopy() has been attempted and had a non-fatal 12446 * error. 12447 */ 12448 private int mRetries = 0; 12449 12450 /** User handle for the user requesting the information or installation. */ 12451 private final UserHandle mUser; 12452 String traceMethod; 12453 int traceCookie; 12454 12455 HandlerParams(UserHandle user) { 12456 mUser = user; 12457 } 12458 12459 UserHandle getUser() { 12460 return mUser; 12461 } 12462 12463 HandlerParams setTraceMethod(String traceMethod) { 12464 this.traceMethod = traceMethod; 12465 return this; 12466 } 12467 12468 HandlerParams setTraceCookie(int traceCookie) { 12469 this.traceCookie = traceCookie; 12470 return this; 12471 } 12472 12473 final boolean startCopy() { 12474 boolean res; 12475 try { 12476 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12477 12478 if (++mRetries > MAX_RETRIES) { 12479 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12480 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12481 handleServiceError(); 12482 return false; 12483 } else { 12484 handleStartCopy(); 12485 res = true; 12486 } 12487 } catch (RemoteException e) { 12488 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12489 mHandler.sendEmptyMessage(MCS_RECONNECT); 12490 res = false; 12491 } 12492 handleReturnCode(); 12493 return res; 12494 } 12495 12496 final void serviceError() { 12497 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12498 handleServiceError(); 12499 handleReturnCode(); 12500 } 12501 12502 abstract void handleStartCopy() throws RemoteException; 12503 abstract void handleServiceError(); 12504 abstract void handleReturnCode(); 12505 } 12506 12507 class MeasureParams extends HandlerParams { 12508 private final PackageStats mStats; 12509 private boolean mSuccess; 12510 12511 private final IPackageStatsObserver mObserver; 12512 12513 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12514 super(new UserHandle(stats.userHandle)); 12515 mObserver = observer; 12516 mStats = stats; 12517 } 12518 12519 @Override 12520 public String toString() { 12521 return "MeasureParams{" 12522 + Integer.toHexString(System.identityHashCode(this)) 12523 + " " + mStats.packageName + "}"; 12524 } 12525 12526 @Override 12527 void handleStartCopy() throws RemoteException { 12528 synchronized (mInstallLock) { 12529 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12530 } 12531 12532 if (mSuccess) { 12533 boolean mounted = false; 12534 try { 12535 final String status = Environment.getExternalStorageState(); 12536 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12537 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12538 } catch (Exception e) { 12539 } 12540 12541 if (mounted) { 12542 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12543 12544 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12545 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12546 12547 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12548 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12549 12550 // Always subtract cache size, since it's a subdirectory 12551 mStats.externalDataSize -= mStats.externalCacheSize; 12552 12553 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12554 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12555 12556 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12557 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12558 } 12559 } 12560 } 12561 12562 @Override 12563 void handleReturnCode() { 12564 if (mObserver != null) { 12565 try { 12566 mObserver.onGetStatsCompleted(mStats, mSuccess); 12567 } catch (RemoteException e) { 12568 Slog.i(TAG, "Observer no longer exists."); 12569 } 12570 } 12571 } 12572 12573 @Override 12574 void handleServiceError() { 12575 Slog.e(TAG, "Could not measure application " + mStats.packageName 12576 + " external storage"); 12577 } 12578 } 12579 12580 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12581 throws RemoteException { 12582 long result = 0; 12583 for (File path : paths) { 12584 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12585 } 12586 return result; 12587 } 12588 12589 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12590 for (File path : paths) { 12591 try { 12592 mcs.clearDirectory(path.getAbsolutePath()); 12593 } catch (RemoteException e) { 12594 } 12595 } 12596 } 12597 12598 static class OriginInfo { 12599 /** 12600 * Location where install is coming from, before it has been 12601 * copied/renamed into place. This could be a single monolithic APK 12602 * file, or a cluster directory. This location may be untrusted. 12603 */ 12604 final File file; 12605 final String cid; 12606 12607 /** 12608 * Flag indicating that {@link #file} or {@link #cid} has already been 12609 * staged, meaning downstream users don't need to defensively copy the 12610 * contents. 12611 */ 12612 final boolean staged; 12613 12614 /** 12615 * Flag indicating that {@link #file} or {@link #cid} is an already 12616 * installed app that is being moved. 12617 */ 12618 final boolean existing; 12619 12620 final String resolvedPath; 12621 final File resolvedFile; 12622 12623 static OriginInfo fromNothing() { 12624 return new OriginInfo(null, null, false, false); 12625 } 12626 12627 static OriginInfo fromUntrustedFile(File file) { 12628 return new OriginInfo(file, null, false, false); 12629 } 12630 12631 static OriginInfo fromExistingFile(File file) { 12632 return new OriginInfo(file, null, false, true); 12633 } 12634 12635 static OriginInfo fromStagedFile(File file) { 12636 return new OriginInfo(file, null, true, false); 12637 } 12638 12639 static OriginInfo fromStagedContainer(String cid) { 12640 return new OriginInfo(null, cid, true, false); 12641 } 12642 12643 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12644 this.file = file; 12645 this.cid = cid; 12646 this.staged = staged; 12647 this.existing = existing; 12648 12649 if (cid != null) { 12650 resolvedPath = PackageHelper.getSdDir(cid); 12651 resolvedFile = new File(resolvedPath); 12652 } else if (file != null) { 12653 resolvedPath = file.getAbsolutePath(); 12654 resolvedFile = file; 12655 } else { 12656 resolvedPath = null; 12657 resolvedFile = null; 12658 } 12659 } 12660 } 12661 12662 static class MoveInfo { 12663 final int moveId; 12664 final String fromUuid; 12665 final String toUuid; 12666 final String packageName; 12667 final String dataAppName; 12668 final int appId; 12669 final String seinfo; 12670 final int targetSdkVersion; 12671 12672 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12673 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12674 this.moveId = moveId; 12675 this.fromUuid = fromUuid; 12676 this.toUuid = toUuid; 12677 this.packageName = packageName; 12678 this.dataAppName = dataAppName; 12679 this.appId = appId; 12680 this.seinfo = seinfo; 12681 this.targetSdkVersion = targetSdkVersion; 12682 } 12683 } 12684 12685 static class VerificationInfo { 12686 /** A constant used to indicate that a uid value is not present. */ 12687 public static final int NO_UID = -1; 12688 12689 /** URI referencing where the package was downloaded from. */ 12690 final Uri originatingUri; 12691 12692 /** HTTP referrer URI associated with the originatingURI. */ 12693 final Uri referrer; 12694 12695 /** UID of the application that the install request originated from. */ 12696 final int originatingUid; 12697 12698 /** UID of application requesting the install */ 12699 final int installerUid; 12700 12701 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12702 this.originatingUri = originatingUri; 12703 this.referrer = referrer; 12704 this.originatingUid = originatingUid; 12705 this.installerUid = installerUid; 12706 } 12707 } 12708 12709 class InstallParams extends HandlerParams { 12710 final OriginInfo origin; 12711 final MoveInfo move; 12712 final IPackageInstallObserver2 observer; 12713 int installFlags; 12714 final String installerPackageName; 12715 final String volumeUuid; 12716 private InstallArgs mArgs; 12717 private int mRet; 12718 final String packageAbiOverride; 12719 final String[] grantedRuntimePermissions; 12720 final VerificationInfo verificationInfo; 12721 final Certificate[][] certificates; 12722 12723 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12724 int installFlags, String installerPackageName, String volumeUuid, 12725 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12726 String[] grantedPermissions, Certificate[][] certificates) { 12727 super(user); 12728 this.origin = origin; 12729 this.move = move; 12730 this.observer = observer; 12731 this.installFlags = installFlags; 12732 this.installerPackageName = installerPackageName; 12733 this.volumeUuid = volumeUuid; 12734 this.verificationInfo = verificationInfo; 12735 this.packageAbiOverride = packageAbiOverride; 12736 this.grantedRuntimePermissions = grantedPermissions; 12737 this.certificates = certificates; 12738 } 12739 12740 @Override 12741 public String toString() { 12742 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12743 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12744 } 12745 12746 private int installLocationPolicy(PackageInfoLite pkgLite) { 12747 String packageName = pkgLite.packageName; 12748 int installLocation = pkgLite.installLocation; 12749 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12750 // reader 12751 synchronized (mPackages) { 12752 // Currently installed package which the new package is attempting to replace or 12753 // null if no such package is installed. 12754 PackageParser.Package installedPkg = mPackages.get(packageName); 12755 // Package which currently owns the data which the new package will own if installed. 12756 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12757 // will be null whereas dataOwnerPkg will contain information about the package 12758 // which was uninstalled while keeping its data. 12759 PackageParser.Package dataOwnerPkg = installedPkg; 12760 if (dataOwnerPkg == null) { 12761 PackageSetting ps = mSettings.mPackages.get(packageName); 12762 if (ps != null) { 12763 dataOwnerPkg = ps.pkg; 12764 } 12765 } 12766 12767 if (dataOwnerPkg != null) { 12768 // If installed, the package will get access to data left on the device by its 12769 // predecessor. As a security measure, this is permited only if this is not a 12770 // version downgrade or if the predecessor package is marked as debuggable and 12771 // a downgrade is explicitly requested. 12772 // 12773 // On debuggable platform builds, downgrades are permitted even for 12774 // non-debuggable packages to make testing easier. Debuggable platform builds do 12775 // not offer security guarantees and thus it's OK to disable some security 12776 // mechanisms to make debugging/testing easier on those builds. However, even on 12777 // debuggable builds downgrades of packages are permitted only if requested via 12778 // installFlags. This is because we aim to keep the behavior of debuggable 12779 // platform builds as close as possible to the behavior of non-debuggable 12780 // platform builds. 12781 final boolean downgradeRequested = 12782 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12783 final boolean packageDebuggable = 12784 (dataOwnerPkg.applicationInfo.flags 12785 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12786 final boolean downgradePermitted = 12787 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12788 if (!downgradePermitted) { 12789 try { 12790 checkDowngrade(dataOwnerPkg, pkgLite); 12791 } catch (PackageManagerException e) { 12792 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12793 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12794 } 12795 } 12796 } 12797 12798 if (installedPkg != null) { 12799 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12800 // Check for updated system application. 12801 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12802 if (onSd) { 12803 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12804 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12805 } 12806 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12807 } else { 12808 if (onSd) { 12809 // Install flag overrides everything. 12810 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12811 } 12812 // If current upgrade specifies particular preference 12813 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12814 // Application explicitly specified internal. 12815 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12816 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12817 // App explictly prefers external. Let policy decide 12818 } else { 12819 // Prefer previous location 12820 if (isExternal(installedPkg)) { 12821 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12822 } 12823 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12824 } 12825 } 12826 } else { 12827 // Invalid install. Return error code 12828 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12829 } 12830 } 12831 } 12832 // All the special cases have been taken care of. 12833 // Return result based on recommended install location. 12834 if (onSd) { 12835 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12836 } 12837 return pkgLite.recommendedInstallLocation; 12838 } 12839 12840 /* 12841 * Invoke remote method to get package information and install 12842 * location values. Override install location based on default 12843 * policy if needed and then create install arguments based 12844 * on the install location. 12845 */ 12846 public void handleStartCopy() throws RemoteException { 12847 int ret = PackageManager.INSTALL_SUCCEEDED; 12848 12849 // If we're already staged, we've firmly committed to an install location 12850 if (origin.staged) { 12851 if (origin.file != null) { 12852 installFlags |= PackageManager.INSTALL_INTERNAL; 12853 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12854 } else if (origin.cid != null) { 12855 installFlags |= PackageManager.INSTALL_EXTERNAL; 12856 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12857 } else { 12858 throw new IllegalStateException("Invalid stage location"); 12859 } 12860 } 12861 12862 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12863 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12864 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12865 PackageInfoLite pkgLite = null; 12866 12867 if (onInt && onSd) { 12868 // Check if both bits are set. 12869 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12870 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12871 } else if (onSd && ephemeral) { 12872 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12873 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12874 } else { 12875 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12876 packageAbiOverride); 12877 12878 if (DEBUG_EPHEMERAL && ephemeral) { 12879 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12880 } 12881 12882 /* 12883 * If we have too little free space, try to free cache 12884 * before giving up. 12885 */ 12886 if (!origin.staged && pkgLite.recommendedInstallLocation 12887 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12888 // TODO: focus freeing disk space on the target device 12889 final StorageManager storage = StorageManager.from(mContext); 12890 final long lowThreshold = storage.getStorageLowBytes( 12891 Environment.getDataDirectory()); 12892 12893 final long sizeBytes = mContainerService.calculateInstalledSize( 12894 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12895 12896 try { 12897 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12898 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12899 installFlags, packageAbiOverride); 12900 } catch (InstallerException e) { 12901 Slog.w(TAG, "Failed to free cache", e); 12902 } 12903 12904 /* 12905 * The cache free must have deleted the file we 12906 * downloaded to install. 12907 * 12908 * TODO: fix the "freeCache" call to not delete 12909 * the file we care about. 12910 */ 12911 if (pkgLite.recommendedInstallLocation 12912 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12913 pkgLite.recommendedInstallLocation 12914 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12915 } 12916 } 12917 } 12918 12919 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12920 int loc = pkgLite.recommendedInstallLocation; 12921 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12922 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12923 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12924 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12925 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12926 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12927 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12928 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12929 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12930 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12931 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12932 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12933 } else { 12934 // Override with defaults if needed. 12935 loc = installLocationPolicy(pkgLite); 12936 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12937 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12938 } else if (!onSd && !onInt) { 12939 // Override install location with flags 12940 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12941 // Set the flag to install on external media. 12942 installFlags |= PackageManager.INSTALL_EXTERNAL; 12943 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12944 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12945 if (DEBUG_EPHEMERAL) { 12946 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12947 } 12948 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12949 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12950 |PackageManager.INSTALL_INTERNAL); 12951 } else { 12952 // Make sure the flag for installing on external 12953 // media is unset 12954 installFlags |= PackageManager.INSTALL_INTERNAL; 12955 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12956 } 12957 } 12958 } 12959 } 12960 12961 final InstallArgs args = createInstallArgs(this); 12962 mArgs = args; 12963 12964 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12965 // TODO: http://b/22976637 12966 // Apps installed for "all" users use the device owner to verify the app 12967 UserHandle verifierUser = getUser(); 12968 if (verifierUser == UserHandle.ALL) { 12969 verifierUser = UserHandle.SYSTEM; 12970 } 12971 12972 /* 12973 * Determine if we have any installed package verifiers. If we 12974 * do, then we'll defer to them to verify the packages. 12975 */ 12976 final int requiredUid = mRequiredVerifierPackage == null ? -1 12977 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12978 verifierUser.getIdentifier()); 12979 if (!origin.existing && requiredUid != -1 12980 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12981 final Intent verification = new Intent( 12982 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12983 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12984 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12985 PACKAGE_MIME_TYPE); 12986 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12987 12988 // Query all live verifiers based on current user state 12989 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12990 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12991 12992 if (DEBUG_VERIFY) { 12993 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12994 + verification.toString() + " with " + pkgLite.verifiers.length 12995 + " optional verifiers"); 12996 } 12997 12998 final int verificationId = mPendingVerificationToken++; 12999 13000 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13001 13002 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13003 installerPackageName); 13004 13005 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13006 installFlags); 13007 13008 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13009 pkgLite.packageName); 13010 13011 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13012 pkgLite.versionCode); 13013 13014 if (verificationInfo != null) { 13015 if (verificationInfo.originatingUri != null) { 13016 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13017 verificationInfo.originatingUri); 13018 } 13019 if (verificationInfo.referrer != null) { 13020 verification.putExtra(Intent.EXTRA_REFERRER, 13021 verificationInfo.referrer); 13022 } 13023 if (verificationInfo.originatingUid >= 0) { 13024 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13025 verificationInfo.originatingUid); 13026 } 13027 if (verificationInfo.installerUid >= 0) { 13028 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13029 verificationInfo.installerUid); 13030 } 13031 } 13032 13033 final PackageVerificationState verificationState = new PackageVerificationState( 13034 requiredUid, args); 13035 13036 mPendingVerification.append(verificationId, verificationState); 13037 13038 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13039 receivers, verificationState); 13040 13041 /* 13042 * If any sufficient verifiers were listed in the package 13043 * manifest, attempt to ask them. 13044 */ 13045 if (sufficientVerifiers != null) { 13046 final int N = sufficientVerifiers.size(); 13047 if (N == 0) { 13048 Slog.i(TAG, "Additional verifiers required, but none installed."); 13049 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13050 } else { 13051 for (int i = 0; i < N; i++) { 13052 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13053 13054 final Intent sufficientIntent = new Intent(verification); 13055 sufficientIntent.setComponent(verifierComponent); 13056 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13057 } 13058 } 13059 } 13060 13061 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13062 mRequiredVerifierPackage, receivers); 13063 if (ret == PackageManager.INSTALL_SUCCEEDED 13064 && mRequiredVerifierPackage != null) { 13065 Trace.asyncTraceBegin( 13066 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13067 /* 13068 * Send the intent to the required verification agent, 13069 * but only start the verification timeout after the 13070 * target BroadcastReceivers have run. 13071 */ 13072 verification.setComponent(requiredVerifierComponent); 13073 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13074 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13075 new BroadcastReceiver() { 13076 @Override 13077 public void onReceive(Context context, Intent intent) { 13078 final Message msg = mHandler 13079 .obtainMessage(CHECK_PENDING_VERIFICATION); 13080 msg.arg1 = verificationId; 13081 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13082 } 13083 }, null, 0, null, null); 13084 13085 /* 13086 * We don't want the copy to proceed until verification 13087 * succeeds, so null out this field. 13088 */ 13089 mArgs = null; 13090 } 13091 } else { 13092 /* 13093 * No package verification is enabled, so immediately start 13094 * the remote call to initiate copy using temporary file. 13095 */ 13096 ret = args.copyApk(mContainerService, true); 13097 } 13098 } 13099 13100 mRet = ret; 13101 } 13102 13103 @Override 13104 void handleReturnCode() { 13105 // If mArgs is null, then MCS couldn't be reached. When it 13106 // reconnects, it will try again to install. At that point, this 13107 // will succeed. 13108 if (mArgs != null) { 13109 processPendingInstall(mArgs, mRet); 13110 } 13111 } 13112 13113 @Override 13114 void handleServiceError() { 13115 mArgs = createInstallArgs(this); 13116 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13117 } 13118 13119 public boolean isForwardLocked() { 13120 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13121 } 13122 } 13123 13124 /** 13125 * Used during creation of InstallArgs 13126 * 13127 * @param installFlags package installation flags 13128 * @return true if should be installed on external storage 13129 */ 13130 private static boolean installOnExternalAsec(int installFlags) { 13131 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13132 return false; 13133 } 13134 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13135 return true; 13136 } 13137 return false; 13138 } 13139 13140 /** 13141 * Used during creation of InstallArgs 13142 * 13143 * @param installFlags package installation flags 13144 * @return true if should be installed as forward locked 13145 */ 13146 private static boolean installForwardLocked(int installFlags) { 13147 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13148 } 13149 13150 private InstallArgs createInstallArgs(InstallParams params) { 13151 if (params.move != null) { 13152 return new MoveInstallArgs(params); 13153 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13154 return new AsecInstallArgs(params); 13155 } else { 13156 return new FileInstallArgs(params); 13157 } 13158 } 13159 13160 /** 13161 * Create args that describe an existing installed package. Typically used 13162 * when cleaning up old installs, or used as a move source. 13163 */ 13164 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13165 String resourcePath, String[] instructionSets) { 13166 final boolean isInAsec; 13167 if (installOnExternalAsec(installFlags)) { 13168 /* Apps on SD card are always in ASEC containers. */ 13169 isInAsec = true; 13170 } else if (installForwardLocked(installFlags) 13171 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13172 /* 13173 * Forward-locked apps are only in ASEC containers if they're the 13174 * new style 13175 */ 13176 isInAsec = true; 13177 } else { 13178 isInAsec = false; 13179 } 13180 13181 if (isInAsec) { 13182 return new AsecInstallArgs(codePath, instructionSets, 13183 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13184 } else { 13185 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13186 } 13187 } 13188 13189 static abstract class InstallArgs { 13190 /** @see InstallParams#origin */ 13191 final OriginInfo origin; 13192 /** @see InstallParams#move */ 13193 final MoveInfo move; 13194 13195 final IPackageInstallObserver2 observer; 13196 // Always refers to PackageManager flags only 13197 final int installFlags; 13198 final String installerPackageName; 13199 final String volumeUuid; 13200 final UserHandle user; 13201 final String abiOverride; 13202 final String[] installGrantPermissions; 13203 /** If non-null, drop an async trace when the install completes */ 13204 final String traceMethod; 13205 final int traceCookie; 13206 final Certificate[][] certificates; 13207 13208 // The list of instruction sets supported by this app. This is currently 13209 // only used during the rmdex() phase to clean up resources. We can get rid of this 13210 // if we move dex files under the common app path. 13211 /* nullable */ String[] instructionSets; 13212 13213 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13214 int installFlags, String installerPackageName, String volumeUuid, 13215 UserHandle user, String[] instructionSets, 13216 String abiOverride, String[] installGrantPermissions, 13217 String traceMethod, int traceCookie, Certificate[][] certificates) { 13218 this.origin = origin; 13219 this.move = move; 13220 this.installFlags = installFlags; 13221 this.observer = observer; 13222 this.installerPackageName = installerPackageName; 13223 this.volumeUuid = volumeUuid; 13224 this.user = user; 13225 this.instructionSets = instructionSets; 13226 this.abiOverride = abiOverride; 13227 this.installGrantPermissions = installGrantPermissions; 13228 this.traceMethod = traceMethod; 13229 this.traceCookie = traceCookie; 13230 this.certificates = certificates; 13231 } 13232 13233 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13234 abstract int doPreInstall(int status); 13235 13236 /** 13237 * Rename package into final resting place. All paths on the given 13238 * scanned package should be updated to reflect the rename. 13239 */ 13240 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13241 abstract int doPostInstall(int status, int uid); 13242 13243 /** @see PackageSettingBase#codePathString */ 13244 abstract String getCodePath(); 13245 /** @see PackageSettingBase#resourcePathString */ 13246 abstract String getResourcePath(); 13247 13248 // Need installer lock especially for dex file removal. 13249 abstract void cleanUpResourcesLI(); 13250 abstract boolean doPostDeleteLI(boolean delete); 13251 13252 /** 13253 * Called before the source arguments are copied. This is used mostly 13254 * for MoveParams when it needs to read the source file to put it in the 13255 * destination. 13256 */ 13257 int doPreCopy() { 13258 return PackageManager.INSTALL_SUCCEEDED; 13259 } 13260 13261 /** 13262 * Called after the source arguments are copied. This is used mostly for 13263 * MoveParams when it needs to read the source file to put it in the 13264 * destination. 13265 */ 13266 int doPostCopy(int uid) { 13267 return PackageManager.INSTALL_SUCCEEDED; 13268 } 13269 13270 protected boolean isFwdLocked() { 13271 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13272 } 13273 13274 protected boolean isExternalAsec() { 13275 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13276 } 13277 13278 protected boolean isEphemeral() { 13279 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13280 } 13281 13282 UserHandle getUser() { 13283 return user; 13284 } 13285 } 13286 13287 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13288 if (!allCodePaths.isEmpty()) { 13289 if (instructionSets == null) { 13290 throw new IllegalStateException("instructionSet == null"); 13291 } 13292 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13293 for (String codePath : allCodePaths) { 13294 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13295 try { 13296 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13297 } catch (InstallerException ignored) { 13298 } 13299 } 13300 } 13301 } 13302 } 13303 13304 /** 13305 * Logic to handle installation of non-ASEC applications, including copying 13306 * and renaming logic. 13307 */ 13308 class FileInstallArgs extends InstallArgs { 13309 private File codeFile; 13310 private File resourceFile; 13311 13312 // Example topology: 13313 // /data/app/com.example/base.apk 13314 // /data/app/com.example/split_foo.apk 13315 // /data/app/com.example/lib/arm/libfoo.so 13316 // /data/app/com.example/lib/arm64/libfoo.so 13317 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13318 13319 /** New install */ 13320 FileInstallArgs(InstallParams params) { 13321 super(params.origin, params.move, params.observer, params.installFlags, 13322 params.installerPackageName, params.volumeUuid, 13323 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13324 params.grantedRuntimePermissions, 13325 params.traceMethod, params.traceCookie, params.certificates); 13326 if (isFwdLocked()) { 13327 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13328 } 13329 } 13330 13331 /** Existing install */ 13332 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13333 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13334 null, null, null, 0, null /*certificates*/); 13335 this.codeFile = (codePath != null) ? new File(codePath) : null; 13336 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13337 } 13338 13339 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13340 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13341 try { 13342 return doCopyApk(imcs, temp); 13343 } finally { 13344 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13345 } 13346 } 13347 13348 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13349 if (origin.staged) { 13350 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13351 codeFile = origin.file; 13352 resourceFile = origin.file; 13353 return PackageManager.INSTALL_SUCCEEDED; 13354 } 13355 13356 try { 13357 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13358 final File tempDir = 13359 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13360 codeFile = tempDir; 13361 resourceFile = tempDir; 13362 } catch (IOException e) { 13363 Slog.w(TAG, "Failed to create copy file: " + e); 13364 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13365 } 13366 13367 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13368 @Override 13369 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13370 if (!FileUtils.isValidExtFilename(name)) { 13371 throw new IllegalArgumentException("Invalid filename: " + name); 13372 } 13373 try { 13374 final File file = new File(codeFile, name); 13375 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13376 O_RDWR | O_CREAT, 0644); 13377 Os.chmod(file.getAbsolutePath(), 0644); 13378 return new ParcelFileDescriptor(fd); 13379 } catch (ErrnoException e) { 13380 throw new RemoteException("Failed to open: " + e.getMessage()); 13381 } 13382 } 13383 }; 13384 13385 int ret = PackageManager.INSTALL_SUCCEEDED; 13386 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13387 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13388 Slog.e(TAG, "Failed to copy package"); 13389 return ret; 13390 } 13391 13392 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13393 NativeLibraryHelper.Handle handle = null; 13394 try { 13395 handle = NativeLibraryHelper.Handle.create(codeFile); 13396 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13397 abiOverride); 13398 } catch (IOException e) { 13399 Slog.e(TAG, "Copying native libraries failed", e); 13400 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13401 } finally { 13402 IoUtils.closeQuietly(handle); 13403 } 13404 13405 return ret; 13406 } 13407 13408 int doPreInstall(int status) { 13409 if (status != PackageManager.INSTALL_SUCCEEDED) { 13410 cleanUp(); 13411 } 13412 return status; 13413 } 13414 13415 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13416 if (status != PackageManager.INSTALL_SUCCEEDED) { 13417 cleanUp(); 13418 return false; 13419 } 13420 13421 final File targetDir = codeFile.getParentFile(); 13422 final File beforeCodeFile = codeFile; 13423 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13424 13425 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13426 try { 13427 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13428 } catch (ErrnoException e) { 13429 Slog.w(TAG, "Failed to rename", e); 13430 return false; 13431 } 13432 13433 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13434 Slog.w(TAG, "Failed to restorecon"); 13435 return false; 13436 } 13437 13438 // Reflect the rename internally 13439 codeFile = afterCodeFile; 13440 resourceFile = afterCodeFile; 13441 13442 // Reflect the rename in scanned details 13443 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13444 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13445 afterCodeFile, pkg.baseCodePath)); 13446 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13447 afterCodeFile, pkg.splitCodePaths)); 13448 13449 // Reflect the rename in app info 13450 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13451 pkg.setApplicationInfoCodePath(pkg.codePath); 13452 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13453 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13454 pkg.setApplicationInfoResourcePath(pkg.codePath); 13455 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13456 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13457 13458 return true; 13459 } 13460 13461 int doPostInstall(int status, int uid) { 13462 if (status != PackageManager.INSTALL_SUCCEEDED) { 13463 cleanUp(); 13464 } 13465 return status; 13466 } 13467 13468 @Override 13469 String getCodePath() { 13470 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13471 } 13472 13473 @Override 13474 String getResourcePath() { 13475 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13476 } 13477 13478 private boolean cleanUp() { 13479 if (codeFile == null || !codeFile.exists()) { 13480 return false; 13481 } 13482 13483 removeCodePathLI(codeFile); 13484 13485 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13486 resourceFile.delete(); 13487 } 13488 13489 return true; 13490 } 13491 13492 void cleanUpResourcesLI() { 13493 // Try enumerating all code paths before deleting 13494 List<String> allCodePaths = Collections.EMPTY_LIST; 13495 if (codeFile != null && codeFile.exists()) { 13496 try { 13497 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13498 allCodePaths = pkg.getAllCodePaths(); 13499 } catch (PackageParserException e) { 13500 // Ignored; we tried our best 13501 } 13502 } 13503 13504 cleanUp(); 13505 removeDexFiles(allCodePaths, instructionSets); 13506 } 13507 13508 boolean doPostDeleteLI(boolean delete) { 13509 // XXX err, shouldn't we respect the delete flag? 13510 cleanUpResourcesLI(); 13511 return true; 13512 } 13513 } 13514 13515 private boolean isAsecExternal(String cid) { 13516 final String asecPath = PackageHelper.getSdFilesystem(cid); 13517 return !asecPath.startsWith(mAsecInternalPath); 13518 } 13519 13520 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13521 PackageManagerException { 13522 if (copyRet < 0) { 13523 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13524 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13525 throw new PackageManagerException(copyRet, message); 13526 } 13527 } 13528 } 13529 13530 /** 13531 * Extract the MountService "container ID" from the full code path of an 13532 * .apk. 13533 */ 13534 static String cidFromCodePath(String fullCodePath) { 13535 int eidx = fullCodePath.lastIndexOf("/"); 13536 String subStr1 = fullCodePath.substring(0, eidx); 13537 int sidx = subStr1.lastIndexOf("/"); 13538 return subStr1.substring(sidx+1, eidx); 13539 } 13540 13541 /** 13542 * Logic to handle installation of ASEC applications, including copying and 13543 * renaming logic. 13544 */ 13545 class AsecInstallArgs extends InstallArgs { 13546 static final String RES_FILE_NAME = "pkg.apk"; 13547 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13548 13549 String cid; 13550 String packagePath; 13551 String resourcePath; 13552 13553 /** New install */ 13554 AsecInstallArgs(InstallParams params) { 13555 super(params.origin, params.move, params.observer, params.installFlags, 13556 params.installerPackageName, params.volumeUuid, 13557 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13558 params.grantedRuntimePermissions, 13559 params.traceMethod, params.traceCookie, params.certificates); 13560 } 13561 13562 /** Existing install */ 13563 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13564 boolean isExternal, boolean isForwardLocked) { 13565 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13566 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13567 instructionSets, null, null, null, 0, null /*certificates*/); 13568 // Hackily pretend we're still looking at a full code path 13569 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13570 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13571 } 13572 13573 // Extract cid from fullCodePath 13574 int eidx = fullCodePath.lastIndexOf("/"); 13575 String subStr1 = fullCodePath.substring(0, eidx); 13576 int sidx = subStr1.lastIndexOf("/"); 13577 cid = subStr1.substring(sidx+1, eidx); 13578 setMountPath(subStr1); 13579 } 13580 13581 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13582 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13583 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13584 instructionSets, null, null, null, 0, null /*certificates*/); 13585 this.cid = cid; 13586 setMountPath(PackageHelper.getSdDir(cid)); 13587 } 13588 13589 void createCopyFile() { 13590 cid = mInstallerService.allocateExternalStageCidLegacy(); 13591 } 13592 13593 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13594 if (origin.staged && origin.cid != null) { 13595 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13596 cid = origin.cid; 13597 setMountPath(PackageHelper.getSdDir(cid)); 13598 return PackageManager.INSTALL_SUCCEEDED; 13599 } 13600 13601 if (temp) { 13602 createCopyFile(); 13603 } else { 13604 /* 13605 * Pre-emptively destroy the container since it's destroyed if 13606 * copying fails due to it existing anyway. 13607 */ 13608 PackageHelper.destroySdDir(cid); 13609 } 13610 13611 final String newMountPath = imcs.copyPackageToContainer( 13612 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13613 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13614 13615 if (newMountPath != null) { 13616 setMountPath(newMountPath); 13617 return PackageManager.INSTALL_SUCCEEDED; 13618 } else { 13619 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13620 } 13621 } 13622 13623 @Override 13624 String getCodePath() { 13625 return packagePath; 13626 } 13627 13628 @Override 13629 String getResourcePath() { 13630 return resourcePath; 13631 } 13632 13633 int doPreInstall(int status) { 13634 if (status != PackageManager.INSTALL_SUCCEEDED) { 13635 // Destroy container 13636 PackageHelper.destroySdDir(cid); 13637 } else { 13638 boolean mounted = PackageHelper.isContainerMounted(cid); 13639 if (!mounted) { 13640 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13641 Process.SYSTEM_UID); 13642 if (newMountPath != null) { 13643 setMountPath(newMountPath); 13644 } else { 13645 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13646 } 13647 } 13648 } 13649 return status; 13650 } 13651 13652 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13653 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13654 String newMountPath = null; 13655 if (PackageHelper.isContainerMounted(cid)) { 13656 // Unmount the container 13657 if (!PackageHelper.unMountSdDir(cid)) { 13658 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13659 return false; 13660 } 13661 } 13662 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13663 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13664 " which might be stale. Will try to clean up."); 13665 // Clean up the stale container and proceed to recreate. 13666 if (!PackageHelper.destroySdDir(newCacheId)) { 13667 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13668 return false; 13669 } 13670 // Successfully cleaned up stale container. Try to rename again. 13671 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13672 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13673 + " inspite of cleaning it up."); 13674 return false; 13675 } 13676 } 13677 if (!PackageHelper.isContainerMounted(newCacheId)) { 13678 Slog.w(TAG, "Mounting container " + newCacheId); 13679 newMountPath = PackageHelper.mountSdDir(newCacheId, 13680 getEncryptKey(), Process.SYSTEM_UID); 13681 } else { 13682 newMountPath = PackageHelper.getSdDir(newCacheId); 13683 } 13684 if (newMountPath == null) { 13685 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13686 return false; 13687 } 13688 Log.i(TAG, "Succesfully renamed " + cid + 13689 " to " + newCacheId + 13690 " at new path: " + newMountPath); 13691 cid = newCacheId; 13692 13693 final File beforeCodeFile = new File(packagePath); 13694 setMountPath(newMountPath); 13695 final File afterCodeFile = new File(packagePath); 13696 13697 // Reflect the rename in scanned details 13698 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13699 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13700 afterCodeFile, pkg.baseCodePath)); 13701 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13702 afterCodeFile, pkg.splitCodePaths)); 13703 13704 // Reflect the rename in app info 13705 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13706 pkg.setApplicationInfoCodePath(pkg.codePath); 13707 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13708 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13709 pkg.setApplicationInfoResourcePath(pkg.codePath); 13710 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13711 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13712 13713 return true; 13714 } 13715 13716 private void setMountPath(String mountPath) { 13717 final File mountFile = new File(mountPath); 13718 13719 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13720 if (monolithicFile.exists()) { 13721 packagePath = monolithicFile.getAbsolutePath(); 13722 if (isFwdLocked()) { 13723 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13724 } else { 13725 resourcePath = packagePath; 13726 } 13727 } else { 13728 packagePath = mountFile.getAbsolutePath(); 13729 resourcePath = packagePath; 13730 } 13731 } 13732 13733 int doPostInstall(int status, int uid) { 13734 if (status != PackageManager.INSTALL_SUCCEEDED) { 13735 cleanUp(); 13736 } else { 13737 final int groupOwner; 13738 final String protectedFile; 13739 if (isFwdLocked()) { 13740 groupOwner = UserHandle.getSharedAppGid(uid); 13741 protectedFile = RES_FILE_NAME; 13742 } else { 13743 groupOwner = -1; 13744 protectedFile = null; 13745 } 13746 13747 if (uid < Process.FIRST_APPLICATION_UID 13748 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13749 Slog.e(TAG, "Failed to finalize " + cid); 13750 PackageHelper.destroySdDir(cid); 13751 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13752 } 13753 13754 boolean mounted = PackageHelper.isContainerMounted(cid); 13755 if (!mounted) { 13756 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13757 } 13758 } 13759 return status; 13760 } 13761 13762 private void cleanUp() { 13763 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13764 13765 // Destroy secure container 13766 PackageHelper.destroySdDir(cid); 13767 } 13768 13769 private List<String> getAllCodePaths() { 13770 final File codeFile = new File(getCodePath()); 13771 if (codeFile != null && codeFile.exists()) { 13772 try { 13773 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13774 return pkg.getAllCodePaths(); 13775 } catch (PackageParserException e) { 13776 // Ignored; we tried our best 13777 } 13778 } 13779 return Collections.EMPTY_LIST; 13780 } 13781 13782 void cleanUpResourcesLI() { 13783 // Enumerate all code paths before deleting 13784 cleanUpResourcesLI(getAllCodePaths()); 13785 } 13786 13787 private void cleanUpResourcesLI(List<String> allCodePaths) { 13788 cleanUp(); 13789 removeDexFiles(allCodePaths, instructionSets); 13790 } 13791 13792 String getPackageName() { 13793 return getAsecPackageName(cid); 13794 } 13795 13796 boolean doPostDeleteLI(boolean delete) { 13797 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13798 final List<String> allCodePaths = getAllCodePaths(); 13799 boolean mounted = PackageHelper.isContainerMounted(cid); 13800 if (mounted) { 13801 // Unmount first 13802 if (PackageHelper.unMountSdDir(cid)) { 13803 mounted = false; 13804 } 13805 } 13806 if (!mounted && delete) { 13807 cleanUpResourcesLI(allCodePaths); 13808 } 13809 return !mounted; 13810 } 13811 13812 @Override 13813 int doPreCopy() { 13814 if (isFwdLocked()) { 13815 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13816 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13817 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13818 } 13819 } 13820 13821 return PackageManager.INSTALL_SUCCEEDED; 13822 } 13823 13824 @Override 13825 int doPostCopy(int uid) { 13826 if (isFwdLocked()) { 13827 if (uid < Process.FIRST_APPLICATION_UID 13828 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13829 RES_FILE_NAME)) { 13830 Slog.e(TAG, "Failed to finalize " + cid); 13831 PackageHelper.destroySdDir(cid); 13832 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13833 } 13834 } 13835 13836 return PackageManager.INSTALL_SUCCEEDED; 13837 } 13838 } 13839 13840 /** 13841 * Logic to handle movement of existing installed applications. 13842 */ 13843 class MoveInstallArgs extends InstallArgs { 13844 private File codeFile; 13845 private File resourceFile; 13846 13847 /** New install */ 13848 MoveInstallArgs(InstallParams params) { 13849 super(params.origin, params.move, params.observer, params.installFlags, 13850 params.installerPackageName, params.volumeUuid, 13851 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13852 params.grantedRuntimePermissions, 13853 params.traceMethod, params.traceCookie, params.certificates); 13854 } 13855 13856 int copyApk(IMediaContainerService imcs, boolean temp) { 13857 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13858 + move.fromUuid + " to " + move.toUuid); 13859 synchronized (mInstaller) { 13860 try { 13861 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13862 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13863 } catch (InstallerException e) { 13864 Slog.w(TAG, "Failed to move app", e); 13865 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13866 } 13867 } 13868 13869 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13870 resourceFile = codeFile; 13871 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13872 13873 return PackageManager.INSTALL_SUCCEEDED; 13874 } 13875 13876 int doPreInstall(int status) { 13877 if (status != PackageManager.INSTALL_SUCCEEDED) { 13878 cleanUp(move.toUuid); 13879 } 13880 return status; 13881 } 13882 13883 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13884 if (status != PackageManager.INSTALL_SUCCEEDED) { 13885 cleanUp(move.toUuid); 13886 return false; 13887 } 13888 13889 // Reflect the move in app info 13890 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13891 pkg.setApplicationInfoCodePath(pkg.codePath); 13892 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13893 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13894 pkg.setApplicationInfoResourcePath(pkg.codePath); 13895 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13896 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13897 13898 return true; 13899 } 13900 13901 int doPostInstall(int status, int uid) { 13902 if (status == PackageManager.INSTALL_SUCCEEDED) { 13903 cleanUp(move.fromUuid); 13904 } else { 13905 cleanUp(move.toUuid); 13906 } 13907 return status; 13908 } 13909 13910 @Override 13911 String getCodePath() { 13912 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13913 } 13914 13915 @Override 13916 String getResourcePath() { 13917 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13918 } 13919 13920 private boolean cleanUp(String volumeUuid) { 13921 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13922 move.dataAppName); 13923 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13924 final int[] userIds = sUserManager.getUserIds(); 13925 synchronized (mInstallLock) { 13926 // Clean up both app data and code 13927 // All package moves are frozen until finished 13928 for (int userId : userIds) { 13929 try { 13930 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13931 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13932 } catch (InstallerException e) { 13933 Slog.w(TAG, String.valueOf(e)); 13934 } 13935 } 13936 removeCodePathLI(codeFile); 13937 } 13938 return true; 13939 } 13940 13941 void cleanUpResourcesLI() { 13942 throw new UnsupportedOperationException(); 13943 } 13944 13945 boolean doPostDeleteLI(boolean delete) { 13946 throw new UnsupportedOperationException(); 13947 } 13948 } 13949 13950 static String getAsecPackageName(String packageCid) { 13951 int idx = packageCid.lastIndexOf("-"); 13952 if (idx == -1) { 13953 return packageCid; 13954 } 13955 return packageCid.substring(0, idx); 13956 } 13957 13958 // Utility method used to create code paths based on package name and available index. 13959 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13960 String idxStr = ""; 13961 int idx = 1; 13962 // Fall back to default value of idx=1 if prefix is not 13963 // part of oldCodePath 13964 if (oldCodePath != null) { 13965 String subStr = oldCodePath; 13966 // Drop the suffix right away 13967 if (suffix != null && subStr.endsWith(suffix)) { 13968 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13969 } 13970 // If oldCodePath already contains prefix find out the 13971 // ending index to either increment or decrement. 13972 int sidx = subStr.lastIndexOf(prefix); 13973 if (sidx != -1) { 13974 subStr = subStr.substring(sidx + prefix.length()); 13975 if (subStr != null) { 13976 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13977 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13978 } 13979 try { 13980 idx = Integer.parseInt(subStr); 13981 if (idx <= 1) { 13982 idx++; 13983 } else { 13984 idx--; 13985 } 13986 } catch(NumberFormatException e) { 13987 } 13988 } 13989 } 13990 } 13991 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13992 return prefix + idxStr; 13993 } 13994 13995 private File getNextCodePath(File targetDir, String packageName) { 13996 int suffix = 1; 13997 File result; 13998 do { 13999 result = new File(targetDir, packageName + "-" + suffix); 14000 suffix++; 14001 } while (result.exists()); 14002 return result; 14003 } 14004 14005 // Utility method that returns the relative package path with respect 14006 // to the installation directory. Like say for /data/data/com.test-1.apk 14007 // string com.test-1 is returned. 14008 static String deriveCodePathName(String codePath) { 14009 if (codePath == null) { 14010 return null; 14011 } 14012 final File codeFile = new File(codePath); 14013 final String name = codeFile.getName(); 14014 if (codeFile.isDirectory()) { 14015 return name; 14016 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14017 final int lastDot = name.lastIndexOf('.'); 14018 return name.substring(0, lastDot); 14019 } else { 14020 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14021 return null; 14022 } 14023 } 14024 14025 static class PackageInstalledInfo { 14026 String name; 14027 int uid; 14028 // The set of users that originally had this package installed. 14029 int[] origUsers; 14030 // The set of users that now have this package installed. 14031 int[] newUsers; 14032 PackageParser.Package pkg; 14033 int returnCode; 14034 String returnMsg; 14035 PackageRemovedInfo removedInfo; 14036 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14037 14038 public void setError(int code, String msg) { 14039 setReturnCode(code); 14040 setReturnMessage(msg); 14041 Slog.w(TAG, msg); 14042 } 14043 14044 public void setError(String msg, PackageParserException e) { 14045 setReturnCode(e.error); 14046 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14047 Slog.w(TAG, msg, e); 14048 } 14049 14050 public void setError(String msg, PackageManagerException e) { 14051 returnCode = e.error; 14052 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14053 Slog.w(TAG, msg, e); 14054 } 14055 14056 public void setReturnCode(int returnCode) { 14057 this.returnCode = returnCode; 14058 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14059 for (int i = 0; i < childCount; i++) { 14060 addedChildPackages.valueAt(i).returnCode = returnCode; 14061 } 14062 } 14063 14064 private void setReturnMessage(String returnMsg) { 14065 this.returnMsg = returnMsg; 14066 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14067 for (int i = 0; i < childCount; i++) { 14068 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14069 } 14070 } 14071 14072 // In some error cases we want to convey more info back to the observer 14073 String origPackage; 14074 String origPermission; 14075 } 14076 14077 /* 14078 * Install a non-existing package. 14079 */ 14080 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14081 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14082 PackageInstalledInfo res) { 14083 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14084 14085 // Remember this for later, in case we need to rollback this install 14086 String pkgName = pkg.packageName; 14087 14088 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14089 14090 synchronized(mPackages) { 14091 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14092 // A package with the same name is already installed, though 14093 // it has been renamed to an older name. The package we 14094 // are trying to install should be installed as an update to 14095 // the existing one, but that has not been requested, so bail. 14096 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14097 + " without first uninstalling package running as " 14098 + mSettings.mRenamedPackages.get(pkgName)); 14099 return; 14100 } 14101 if (mPackages.containsKey(pkgName)) { 14102 // Don't allow installation over an existing package with the same name. 14103 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14104 + " without first uninstalling."); 14105 return; 14106 } 14107 } 14108 14109 try { 14110 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14111 System.currentTimeMillis(), user); 14112 14113 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14114 14115 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14116 prepareAppDataAfterInstallLIF(newPackage); 14117 14118 } else { 14119 // Remove package from internal structures, but keep around any 14120 // data that might have already existed 14121 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14122 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14123 } 14124 } catch (PackageManagerException e) { 14125 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14126 } 14127 14128 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14129 } 14130 14131 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14132 // Can't rotate keys during boot or if sharedUser. 14133 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14134 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14135 return false; 14136 } 14137 // app is using upgradeKeySets; make sure all are valid 14138 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14139 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14140 for (int i = 0; i < upgradeKeySets.length; i++) { 14141 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14142 Slog.wtf(TAG, "Package " 14143 + (oldPs.name != null ? oldPs.name : "<null>") 14144 + " contains upgrade-key-set reference to unknown key-set: " 14145 + upgradeKeySets[i] 14146 + " reverting to signatures check."); 14147 return false; 14148 } 14149 } 14150 return true; 14151 } 14152 14153 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14154 // Upgrade keysets are being used. Determine if new package has a superset of the 14155 // required keys. 14156 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14157 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14158 for (int i = 0; i < upgradeKeySets.length; i++) { 14159 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14160 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14161 return true; 14162 } 14163 } 14164 return false; 14165 } 14166 14167 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14168 try (DigestInputStream digestStream = 14169 new DigestInputStream(new FileInputStream(file), digest)) { 14170 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14171 } 14172 } 14173 14174 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14175 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14176 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14177 14178 final PackageParser.Package oldPackage; 14179 final String pkgName = pkg.packageName; 14180 final int[] allUsers; 14181 final int[] installedUsers; 14182 14183 synchronized(mPackages) { 14184 oldPackage = mPackages.get(pkgName); 14185 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14186 14187 // don't allow upgrade to target a release SDK from a pre-release SDK 14188 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14189 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14190 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14191 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14192 if (oldTargetsPreRelease 14193 && !newTargetsPreRelease 14194 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14195 Slog.w(TAG, "Can't install package targeting released sdk"); 14196 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14197 return; 14198 } 14199 14200 // don't allow an upgrade from full to ephemeral 14201 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14202 if (isEphemeral && !oldIsEphemeral) { 14203 // can't downgrade from full to ephemeral 14204 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14205 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14206 return; 14207 } 14208 14209 // verify signatures are valid 14210 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14211 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14212 if (!checkUpgradeKeySetLP(ps, pkg)) { 14213 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14214 "New package not signed by keys specified by upgrade-keysets: " 14215 + pkgName); 14216 return; 14217 } 14218 } else { 14219 // default to original signature matching 14220 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14221 != PackageManager.SIGNATURE_MATCH) { 14222 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14223 "New package has a different signature: " + pkgName); 14224 return; 14225 } 14226 } 14227 14228 // don't allow a system upgrade unless the upgrade hash matches 14229 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14230 byte[] digestBytes = null; 14231 try { 14232 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14233 updateDigest(digest, new File(pkg.baseCodePath)); 14234 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14235 for (String path : pkg.splitCodePaths) { 14236 updateDigest(digest, new File(path)); 14237 } 14238 } 14239 digestBytes = digest.digest(); 14240 } catch (NoSuchAlgorithmException | IOException e) { 14241 res.setError(INSTALL_FAILED_INVALID_APK, 14242 "Could not compute hash: " + pkgName); 14243 return; 14244 } 14245 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14246 res.setError(INSTALL_FAILED_INVALID_APK, 14247 "New package fails restrict-update check: " + pkgName); 14248 return; 14249 } 14250 // retain upgrade restriction 14251 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14252 } 14253 14254 // Check for shared user id changes 14255 String invalidPackageName = 14256 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14257 if (invalidPackageName != null) { 14258 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14259 "Package " + invalidPackageName + " tried to change user " 14260 + oldPackage.mSharedUserId); 14261 return; 14262 } 14263 14264 // In case of rollback, remember per-user/profile install state 14265 allUsers = sUserManager.getUserIds(); 14266 installedUsers = ps.queryInstalledUsers(allUsers, true); 14267 } 14268 14269 // Update what is removed 14270 res.removedInfo = new PackageRemovedInfo(); 14271 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14272 res.removedInfo.removedPackage = oldPackage.packageName; 14273 res.removedInfo.isUpdate = true; 14274 res.removedInfo.origUsers = installedUsers; 14275 final int childCount = (oldPackage.childPackages != null) 14276 ? oldPackage.childPackages.size() : 0; 14277 for (int i = 0; i < childCount; i++) { 14278 boolean childPackageUpdated = false; 14279 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14280 if (res.addedChildPackages != null) { 14281 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14282 if (childRes != null) { 14283 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14284 childRes.removedInfo.removedPackage = childPkg.packageName; 14285 childRes.removedInfo.isUpdate = true; 14286 childPackageUpdated = true; 14287 } 14288 } 14289 if (!childPackageUpdated) { 14290 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14291 childRemovedRes.removedPackage = childPkg.packageName; 14292 childRemovedRes.isUpdate = false; 14293 childRemovedRes.dataRemoved = true; 14294 synchronized (mPackages) { 14295 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14296 if (childPs != null) { 14297 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14298 } 14299 } 14300 if (res.removedInfo.removedChildPackages == null) { 14301 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14302 } 14303 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14304 } 14305 } 14306 14307 boolean sysPkg = (isSystemApp(oldPackage)); 14308 if (sysPkg) { 14309 // Set the system/privileged flags as needed 14310 final boolean privileged = 14311 (oldPackage.applicationInfo.privateFlags 14312 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14313 final int systemPolicyFlags = policyFlags 14314 | PackageParser.PARSE_IS_SYSTEM 14315 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14316 14317 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14318 user, allUsers, installerPackageName, res); 14319 } else { 14320 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14321 user, allUsers, installerPackageName, res); 14322 } 14323 } 14324 14325 public List<String> getPreviousCodePaths(String packageName) { 14326 final PackageSetting ps = mSettings.mPackages.get(packageName); 14327 final List<String> result = new ArrayList<String>(); 14328 if (ps != null && ps.oldCodePaths != null) { 14329 result.addAll(ps.oldCodePaths); 14330 } 14331 return result; 14332 } 14333 14334 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14335 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14336 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14337 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14338 + deletedPackage); 14339 14340 String pkgName = deletedPackage.packageName; 14341 boolean deletedPkg = true; 14342 boolean addedPkg = false; 14343 boolean updatedSettings = false; 14344 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14345 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14346 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14347 14348 final long origUpdateTime = (pkg.mExtras != null) 14349 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14350 14351 // First delete the existing package while retaining the data directory 14352 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14353 res.removedInfo, true, pkg)) { 14354 // If the existing package wasn't successfully deleted 14355 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14356 deletedPkg = false; 14357 } else { 14358 // Successfully deleted the old package; proceed with replace. 14359 14360 // If deleted package lived in a container, give users a chance to 14361 // relinquish resources before killing. 14362 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14363 if (DEBUG_INSTALL) { 14364 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14365 } 14366 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14367 final ArrayList<String> pkgList = new ArrayList<String>(1); 14368 pkgList.add(deletedPackage.applicationInfo.packageName); 14369 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14370 } 14371 14372 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14373 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14374 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14375 14376 try { 14377 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14378 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14379 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14380 14381 // Update the in-memory copy of the previous code paths. 14382 PackageSetting ps = mSettings.mPackages.get(pkgName); 14383 if (!killApp) { 14384 if (ps.oldCodePaths == null) { 14385 ps.oldCodePaths = new ArraySet<>(); 14386 } 14387 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14388 if (deletedPackage.splitCodePaths != null) { 14389 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14390 } 14391 } else { 14392 ps.oldCodePaths = null; 14393 } 14394 if (ps.childPackageNames != null) { 14395 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14396 final String childPkgName = ps.childPackageNames.get(i); 14397 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14398 childPs.oldCodePaths = ps.oldCodePaths; 14399 } 14400 } 14401 prepareAppDataAfterInstallLIF(newPackage); 14402 addedPkg = true; 14403 } catch (PackageManagerException e) { 14404 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14405 } 14406 } 14407 14408 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14409 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14410 14411 // Revert all internal state mutations and added folders for the failed install 14412 if (addedPkg) { 14413 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14414 res.removedInfo, true, null); 14415 } 14416 14417 // Restore the old package 14418 if (deletedPkg) { 14419 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14420 File restoreFile = new File(deletedPackage.codePath); 14421 // Parse old package 14422 boolean oldExternal = isExternal(deletedPackage); 14423 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14424 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14425 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14426 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14427 try { 14428 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14429 null); 14430 } catch (PackageManagerException e) { 14431 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14432 + e.getMessage()); 14433 return; 14434 } 14435 14436 synchronized (mPackages) { 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 : " + pkgName + " after failed upgrade"); 14447 } 14448 } else { 14449 synchronized (mPackages) { 14450 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14451 if (ps != null) { 14452 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14453 if (res.removedInfo.removedChildPackages != null) { 14454 final int childCount = res.removedInfo.removedChildPackages.size(); 14455 // Iterate in reverse as we may modify the collection 14456 for (int i = childCount - 1; i >= 0; i--) { 14457 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14458 if (res.addedChildPackages.containsKey(childPackageName)) { 14459 res.removedInfo.removedChildPackages.removeAt(i); 14460 } else { 14461 PackageRemovedInfo childInfo = res.removedInfo 14462 .removedChildPackages.valueAt(i); 14463 childInfo.removedForAllUsers = mPackages.get( 14464 childInfo.removedPackage) == null; 14465 } 14466 } 14467 } 14468 } 14469 } 14470 } 14471 } 14472 14473 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14474 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14475 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14476 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14477 + ", old=" + deletedPackage); 14478 14479 final boolean disabledSystem; 14480 14481 // Remove existing system package 14482 removePackageLI(deletedPackage, true); 14483 14484 synchronized (mPackages) { 14485 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14486 } 14487 if (!disabledSystem) { 14488 // We didn't need to disable the .apk as a current system package, 14489 // which means we are replacing another update that is already 14490 // installed. We need to make sure to delete the older one's .apk. 14491 res.removedInfo.args = createInstallArgsForExisting(0, 14492 deletedPackage.applicationInfo.getCodePath(), 14493 deletedPackage.applicationInfo.getResourcePath(), 14494 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14495 } else { 14496 res.removedInfo.args = null; 14497 } 14498 14499 // Successfully disabled the old package. Now proceed with re-installation 14500 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14501 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14502 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14503 14504 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14505 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14506 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14507 14508 PackageParser.Package newPackage = null; 14509 try { 14510 // Add the package to the internal data structures 14511 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14512 14513 // Set the update and install times 14514 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14515 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14516 System.currentTimeMillis()); 14517 14518 // Update the package dynamic state if succeeded 14519 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14520 // Now that the install succeeded make sure we remove data 14521 // directories for any child package the update removed. 14522 final int deletedChildCount = (deletedPackage.childPackages != null) 14523 ? deletedPackage.childPackages.size() : 0; 14524 final int newChildCount = (newPackage.childPackages != null) 14525 ? newPackage.childPackages.size() : 0; 14526 for (int i = 0; i < deletedChildCount; i++) { 14527 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14528 boolean childPackageDeleted = true; 14529 for (int j = 0; j < newChildCount; j++) { 14530 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14531 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14532 childPackageDeleted = false; 14533 break; 14534 } 14535 } 14536 if (childPackageDeleted) { 14537 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14538 deletedChildPkg.packageName); 14539 if (ps != null && res.removedInfo.removedChildPackages != null) { 14540 PackageRemovedInfo removedChildRes = res.removedInfo 14541 .removedChildPackages.get(deletedChildPkg.packageName); 14542 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14543 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14544 } 14545 } 14546 } 14547 14548 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14549 prepareAppDataAfterInstallLIF(newPackage); 14550 } 14551 } catch (PackageManagerException e) { 14552 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14553 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14554 } 14555 14556 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14557 // Re installation failed. Restore old information 14558 // Remove new pkg information 14559 if (newPackage != null) { 14560 removeInstalledPackageLI(newPackage, true); 14561 } 14562 // Add back the old system package 14563 try { 14564 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14565 } catch (PackageManagerException e) { 14566 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14567 } 14568 14569 synchronized (mPackages) { 14570 if (disabledSystem) { 14571 enableSystemPackageLPw(deletedPackage); 14572 } 14573 14574 // Ensure the installer package name up to date 14575 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14576 14577 // Update permissions for restored package 14578 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14579 14580 mSettings.writeLPr(); 14581 } 14582 14583 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14584 + " after failed upgrade"); 14585 } 14586 } 14587 14588 /** 14589 * Checks whether the parent or any of the child packages have a change shared 14590 * user. For a package to be a valid update the shred users of the parent and 14591 * the children should match. We may later support changing child shared users. 14592 * @param oldPkg The updated package. 14593 * @param newPkg The update package. 14594 * @return The shared user that change between the versions. 14595 */ 14596 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14597 PackageParser.Package newPkg) { 14598 // Check parent shared user 14599 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14600 return newPkg.packageName; 14601 } 14602 // Check child shared users 14603 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14604 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14605 for (int i = 0; i < newChildCount; i++) { 14606 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14607 // If this child was present, did it have the same shared user? 14608 for (int j = 0; j < oldChildCount; j++) { 14609 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14610 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14611 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14612 return newChildPkg.packageName; 14613 } 14614 } 14615 } 14616 return null; 14617 } 14618 14619 private void removeNativeBinariesLI(PackageSetting ps) { 14620 // Remove the lib path for the parent package 14621 if (ps != null) { 14622 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14623 // Remove the lib path for the child packages 14624 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14625 for (int i = 0; i < childCount; i++) { 14626 PackageSetting childPs = null; 14627 synchronized (mPackages) { 14628 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14629 } 14630 if (childPs != null) { 14631 NativeLibraryHelper.removeNativeBinariesLI(childPs 14632 .legacyNativeLibraryPathString); 14633 } 14634 } 14635 } 14636 } 14637 14638 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14639 // Enable the parent package 14640 mSettings.enableSystemPackageLPw(pkg.packageName); 14641 // Enable the child packages 14642 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14643 for (int i = 0; i < childCount; i++) { 14644 PackageParser.Package childPkg = pkg.childPackages.get(i); 14645 mSettings.enableSystemPackageLPw(childPkg.packageName); 14646 } 14647 } 14648 14649 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14650 PackageParser.Package newPkg) { 14651 // Disable the parent package (parent always replaced) 14652 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14653 // Disable the child packages 14654 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14655 for (int i = 0; i < childCount; i++) { 14656 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14657 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14658 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14659 } 14660 return disabled; 14661 } 14662 14663 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14664 String installerPackageName) { 14665 // Enable the parent package 14666 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14667 // Enable the child packages 14668 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14669 for (int i = 0; i < childCount; i++) { 14670 PackageParser.Package childPkg = pkg.childPackages.get(i); 14671 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14672 } 14673 } 14674 14675 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14676 // Collect all used permissions in the UID 14677 ArraySet<String> usedPermissions = new ArraySet<>(); 14678 final int packageCount = su.packages.size(); 14679 for (int i = 0; i < packageCount; i++) { 14680 PackageSetting ps = su.packages.valueAt(i); 14681 if (ps.pkg == null) { 14682 continue; 14683 } 14684 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14685 for (int j = 0; j < requestedPermCount; j++) { 14686 String permission = ps.pkg.requestedPermissions.get(j); 14687 BasePermission bp = mSettings.mPermissions.get(permission); 14688 if (bp != null) { 14689 usedPermissions.add(permission); 14690 } 14691 } 14692 } 14693 14694 PermissionsState permissionsState = su.getPermissionsState(); 14695 // Prune install permissions 14696 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14697 final int installPermCount = installPermStates.size(); 14698 for (int i = installPermCount - 1; i >= 0; i--) { 14699 PermissionState permissionState = installPermStates.get(i); 14700 if (!usedPermissions.contains(permissionState.getName())) { 14701 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14702 if (bp != null) { 14703 permissionsState.revokeInstallPermission(bp); 14704 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14705 PackageManager.MASK_PERMISSION_FLAGS, 0); 14706 } 14707 } 14708 } 14709 14710 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14711 14712 // Prune runtime permissions 14713 for (int userId : allUserIds) { 14714 List<PermissionState> runtimePermStates = permissionsState 14715 .getRuntimePermissionStates(userId); 14716 final int runtimePermCount = runtimePermStates.size(); 14717 for (int i = runtimePermCount - 1; i >= 0; i--) { 14718 PermissionState permissionState = runtimePermStates.get(i); 14719 if (!usedPermissions.contains(permissionState.getName())) { 14720 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14721 if (bp != null) { 14722 permissionsState.revokeRuntimePermission(bp, userId); 14723 permissionsState.updatePermissionFlags(bp, userId, 14724 PackageManager.MASK_PERMISSION_FLAGS, 0); 14725 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14726 runtimePermissionChangedUserIds, userId); 14727 } 14728 } 14729 } 14730 } 14731 14732 return runtimePermissionChangedUserIds; 14733 } 14734 14735 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14736 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14737 // Update the parent package setting 14738 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14739 res, user); 14740 // Update the child packages setting 14741 final int childCount = (newPackage.childPackages != null) 14742 ? newPackage.childPackages.size() : 0; 14743 for (int i = 0; i < childCount; i++) { 14744 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14745 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14746 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14747 childRes.origUsers, childRes, user); 14748 } 14749 } 14750 14751 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14752 String installerPackageName, int[] allUsers, int[] installedForUsers, 14753 PackageInstalledInfo res, UserHandle user) { 14754 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14755 14756 String pkgName = newPackage.packageName; 14757 synchronized (mPackages) { 14758 //write settings. the installStatus will be incomplete at this stage. 14759 //note that the new package setting would have already been 14760 //added to mPackages. It hasn't been persisted yet. 14761 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14762 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14763 mSettings.writeLPr(); 14764 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14765 } 14766 14767 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14768 synchronized (mPackages) { 14769 updatePermissionsLPw(newPackage.packageName, newPackage, 14770 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14771 ? UPDATE_PERMISSIONS_ALL : 0)); 14772 // For system-bundled packages, we assume that installing an upgraded version 14773 // of the package implies that the user actually wants to run that new code, 14774 // so we enable the package. 14775 PackageSetting ps = mSettings.mPackages.get(pkgName); 14776 final int userId = user.getIdentifier(); 14777 if (ps != null) { 14778 if (isSystemApp(newPackage)) { 14779 if (DEBUG_INSTALL) { 14780 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14781 } 14782 // Enable system package for requested users 14783 if (res.origUsers != null) { 14784 for (int origUserId : res.origUsers) { 14785 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14786 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14787 origUserId, installerPackageName); 14788 } 14789 } 14790 } 14791 // Also convey the prior install/uninstall state 14792 if (allUsers != null && installedForUsers != null) { 14793 for (int currentUserId : allUsers) { 14794 final boolean installed = ArrayUtils.contains( 14795 installedForUsers, currentUserId); 14796 if (DEBUG_INSTALL) { 14797 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14798 } 14799 ps.setInstalled(installed, currentUserId); 14800 } 14801 // these install state changes will be persisted in the 14802 // upcoming call to mSettings.writeLPr(). 14803 } 14804 } 14805 // It's implied that when a user requests installation, they want the app to be 14806 // installed and enabled. 14807 if (userId != UserHandle.USER_ALL) { 14808 ps.setInstalled(true, userId); 14809 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14810 } 14811 } 14812 res.name = pkgName; 14813 res.uid = newPackage.applicationInfo.uid; 14814 res.pkg = newPackage; 14815 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14816 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14817 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14818 //to update install status 14819 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14820 mSettings.writeLPr(); 14821 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14822 } 14823 14824 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14825 } 14826 14827 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14828 try { 14829 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14830 installPackageLI(args, res); 14831 } finally { 14832 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14833 } 14834 } 14835 14836 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14837 final int installFlags = args.installFlags; 14838 final String installerPackageName = args.installerPackageName; 14839 final String volumeUuid = args.volumeUuid; 14840 final File tmpPackageFile = new File(args.getCodePath()); 14841 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14842 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14843 || (args.volumeUuid != null)); 14844 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14845 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14846 boolean replace = false; 14847 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14848 if (args.move != null) { 14849 // moving a complete application; perform an initial scan on the new install location 14850 scanFlags |= SCAN_INITIAL; 14851 } 14852 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14853 scanFlags |= SCAN_DONT_KILL_APP; 14854 } 14855 14856 // Result object to be returned 14857 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14858 14859 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14860 14861 // Sanity check 14862 if (ephemeral && (forwardLocked || onExternal)) { 14863 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14864 + " external=" + onExternal); 14865 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14866 return; 14867 } 14868 14869 // Retrieve PackageSettings and parse package 14870 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14871 | PackageParser.PARSE_ENFORCE_CODE 14872 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14873 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14874 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14875 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14876 PackageParser pp = new PackageParser(); 14877 pp.setSeparateProcesses(mSeparateProcesses); 14878 pp.setDisplayMetrics(mMetrics); 14879 14880 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14881 final PackageParser.Package pkg; 14882 try { 14883 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14884 } catch (PackageParserException e) { 14885 res.setError("Failed parse during installPackageLI", e); 14886 return; 14887 } finally { 14888 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14889 } 14890 14891 // If we are installing a clustered package add results for the children 14892 if (pkg.childPackages != null) { 14893 synchronized (mPackages) { 14894 final int childCount = pkg.childPackages.size(); 14895 for (int i = 0; i < childCount; i++) { 14896 PackageParser.Package childPkg = pkg.childPackages.get(i); 14897 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14898 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14899 childRes.pkg = childPkg; 14900 childRes.name = childPkg.packageName; 14901 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14902 if (childPs != null) { 14903 childRes.origUsers = childPs.queryInstalledUsers( 14904 sUserManager.getUserIds(), true); 14905 } 14906 if ((mPackages.containsKey(childPkg.packageName))) { 14907 childRes.removedInfo = new PackageRemovedInfo(); 14908 childRes.removedInfo.removedPackage = childPkg.packageName; 14909 } 14910 if (res.addedChildPackages == null) { 14911 res.addedChildPackages = new ArrayMap<>(); 14912 } 14913 res.addedChildPackages.put(childPkg.packageName, childRes); 14914 } 14915 } 14916 } 14917 14918 // If package doesn't declare API override, mark that we have an install 14919 // time CPU ABI override. 14920 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14921 pkg.cpuAbiOverride = args.abiOverride; 14922 } 14923 14924 String pkgName = res.name = pkg.packageName; 14925 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14926 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14927 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14928 return; 14929 } 14930 } 14931 14932 try { 14933 // either use what we've been given or parse directly from the APK 14934 if (args.certificates != null) { 14935 try { 14936 PackageParser.populateCertificates(pkg, args.certificates); 14937 } catch (PackageParserException e) { 14938 // there was something wrong with the certificates we were given; 14939 // try to pull them from the APK 14940 PackageParser.collectCertificates(pkg, parseFlags); 14941 } 14942 } else { 14943 PackageParser.collectCertificates(pkg, parseFlags); 14944 } 14945 } catch (PackageParserException e) { 14946 res.setError("Failed collect during installPackageLI", e); 14947 return; 14948 } 14949 14950 // Get rid of all references to package scan path via parser. 14951 pp = null; 14952 String oldCodePath = null; 14953 boolean systemApp = false; 14954 synchronized (mPackages) { 14955 // Check if installing already existing package 14956 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14957 String oldName = mSettings.mRenamedPackages.get(pkgName); 14958 if (pkg.mOriginalPackages != null 14959 && pkg.mOriginalPackages.contains(oldName) 14960 && mPackages.containsKey(oldName)) { 14961 // This package is derived from an original package, 14962 // and this device has been updating from that original 14963 // name. We must continue using the original name, so 14964 // rename the new package here. 14965 pkg.setPackageName(oldName); 14966 pkgName = pkg.packageName; 14967 replace = true; 14968 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14969 + oldName + " pkgName=" + pkgName); 14970 } else if (mPackages.containsKey(pkgName)) { 14971 // This package, under its official name, already exists 14972 // on the device; we should replace it. 14973 replace = true; 14974 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14975 } 14976 14977 // Child packages are installed through the parent package 14978 if (pkg.parentPackage != null) { 14979 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14980 "Package " + pkg.packageName + " is child of package " 14981 + pkg.parentPackage.parentPackage + ". Child packages " 14982 + "can be updated only through the parent package."); 14983 return; 14984 } 14985 14986 if (replace) { 14987 // Prevent apps opting out from runtime permissions 14988 PackageParser.Package oldPackage = mPackages.get(pkgName); 14989 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14990 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14991 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14992 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14993 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14994 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14995 + " doesn't support runtime permissions but the old" 14996 + " target SDK " + oldTargetSdk + " does."); 14997 return; 14998 } 14999 15000 // Prevent installing of child packages 15001 if (oldPackage.parentPackage != null) { 15002 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15003 "Package " + pkg.packageName + " is child of package " 15004 + oldPackage.parentPackage + ". Child packages " 15005 + "can be updated only through the parent package."); 15006 return; 15007 } 15008 } 15009 } 15010 15011 PackageSetting ps = mSettings.mPackages.get(pkgName); 15012 if (ps != null) { 15013 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15014 15015 // Quick sanity check that we're signed correctly if updating; 15016 // we'll check this again later when scanning, but we want to 15017 // bail early here before tripping over redefined permissions. 15018 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15019 if (!checkUpgradeKeySetLP(ps, pkg)) { 15020 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15021 + pkg.packageName + " upgrade keys do not match the " 15022 + "previously installed version"); 15023 return; 15024 } 15025 } else { 15026 try { 15027 verifySignaturesLP(ps, pkg); 15028 } catch (PackageManagerException e) { 15029 res.setError(e.error, e.getMessage()); 15030 return; 15031 } 15032 } 15033 15034 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15035 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15036 systemApp = (ps.pkg.applicationInfo.flags & 15037 ApplicationInfo.FLAG_SYSTEM) != 0; 15038 } 15039 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15040 } 15041 15042 // Check whether the newly-scanned package wants to define an already-defined perm 15043 int N = pkg.permissions.size(); 15044 for (int i = N-1; i >= 0; i--) { 15045 PackageParser.Permission perm = pkg.permissions.get(i); 15046 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15047 if (bp != null) { 15048 // If the defining package is signed with our cert, it's okay. This 15049 // also includes the "updating the same package" case, of course. 15050 // "updating same package" could also involve key-rotation. 15051 final boolean sigsOk; 15052 if (bp.sourcePackage.equals(pkg.packageName) 15053 && (bp.packageSetting instanceof PackageSetting) 15054 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15055 scanFlags))) { 15056 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15057 } else { 15058 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15059 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15060 } 15061 if (!sigsOk) { 15062 // If the owning package is the system itself, we log but allow 15063 // install to proceed; we fail the install on all other permission 15064 // redefinitions. 15065 if (!bp.sourcePackage.equals("android")) { 15066 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15067 + pkg.packageName + " attempting to redeclare permission " 15068 + perm.info.name + " already owned by " + bp.sourcePackage); 15069 res.origPermission = perm.info.name; 15070 res.origPackage = bp.sourcePackage; 15071 return; 15072 } else { 15073 Slog.w(TAG, "Package " + pkg.packageName 15074 + " attempting to redeclare system permission " 15075 + perm.info.name + "; ignoring new declaration"); 15076 pkg.permissions.remove(i); 15077 } 15078 } 15079 } 15080 } 15081 } 15082 15083 if (systemApp) { 15084 if (onExternal) { 15085 // Abort update; system app can't be replaced with app on sdcard 15086 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15087 "Cannot install updates to system apps on sdcard"); 15088 return; 15089 } else if (ephemeral) { 15090 // Abort update; system app can't be replaced with an ephemeral app 15091 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15092 "Cannot update a system app with an ephemeral app"); 15093 return; 15094 } 15095 } 15096 15097 if (args.move != null) { 15098 // We did an in-place move, so dex is ready to roll 15099 scanFlags |= SCAN_NO_DEX; 15100 scanFlags |= SCAN_MOVE; 15101 15102 synchronized (mPackages) { 15103 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15104 if (ps == null) { 15105 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15106 "Missing settings for moved package " + pkgName); 15107 } 15108 15109 // We moved the entire application as-is, so bring over the 15110 // previously derived ABI information. 15111 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15112 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15113 } 15114 15115 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15116 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15117 scanFlags |= SCAN_NO_DEX; 15118 15119 try { 15120 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15121 args.abiOverride : pkg.cpuAbiOverride); 15122 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15123 true /* extract libs */); 15124 } catch (PackageManagerException pme) { 15125 Slog.e(TAG, "Error deriving application ABI", pme); 15126 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15127 return; 15128 } 15129 15130 // Shared libraries for the package need to be updated. 15131 synchronized (mPackages) { 15132 try { 15133 updateSharedLibrariesLPw(pkg, null); 15134 } catch (PackageManagerException e) { 15135 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15136 } 15137 } 15138 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15139 // Do not run PackageDexOptimizer through the local performDexOpt 15140 // method because `pkg` may not be in `mPackages` yet. 15141 // 15142 // Also, don't fail application installs if the dexopt step fails. 15143 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15144 null /* instructionSets */, false /* checkProfiles */, 15145 getCompilerFilterForReason(REASON_INSTALL)); 15146 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15147 15148 // Notify BackgroundDexOptService that the package has been changed. 15149 // If this is an update of a package which used to fail to compile, 15150 // BDOS will remove it from its blacklist. 15151 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15152 } 15153 15154 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15155 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15156 return; 15157 } 15158 15159 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15160 15161 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15162 "installPackageLI")) { 15163 if (replace) { 15164 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15165 installerPackageName, res); 15166 } else { 15167 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15168 args.user, installerPackageName, volumeUuid, res); 15169 } 15170 } 15171 synchronized (mPackages) { 15172 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15173 if (ps != null) { 15174 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15175 } 15176 15177 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15178 for (int i = 0; i < childCount; i++) { 15179 PackageParser.Package childPkg = pkg.childPackages.get(i); 15180 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15181 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15182 if (childPs != null) { 15183 childRes.newUsers = childPs.queryInstalledUsers( 15184 sUserManager.getUserIds(), true); 15185 } 15186 } 15187 } 15188 } 15189 15190 private void startIntentFilterVerifications(int userId, boolean replacing, 15191 PackageParser.Package pkg) { 15192 if (mIntentFilterVerifierComponent == null) { 15193 Slog.w(TAG, "No IntentFilter verification will not be done as " 15194 + "there is no IntentFilterVerifier available!"); 15195 return; 15196 } 15197 15198 final int verifierUid = getPackageUid( 15199 mIntentFilterVerifierComponent.getPackageName(), 15200 MATCH_DEBUG_TRIAGED_MISSING, 15201 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15202 15203 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15204 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15205 mHandler.sendMessage(msg); 15206 15207 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15208 for (int i = 0; i < childCount; i++) { 15209 PackageParser.Package childPkg = pkg.childPackages.get(i); 15210 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15211 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15212 mHandler.sendMessage(msg); 15213 } 15214 } 15215 15216 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15217 PackageParser.Package pkg) { 15218 int size = pkg.activities.size(); 15219 if (size == 0) { 15220 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15221 "No activity, so no need to verify any IntentFilter!"); 15222 return; 15223 } 15224 15225 final boolean hasDomainURLs = hasDomainURLs(pkg); 15226 if (!hasDomainURLs) { 15227 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15228 "No domain URLs, so no need to verify any IntentFilter!"); 15229 return; 15230 } 15231 15232 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15233 + " if any IntentFilter from the " + size 15234 + " Activities needs verification ..."); 15235 15236 int count = 0; 15237 final String packageName = pkg.packageName; 15238 15239 synchronized (mPackages) { 15240 // If this is a new install and we see that we've already run verification for this 15241 // package, we have nothing to do: it means the state was restored from backup. 15242 if (!replacing) { 15243 IntentFilterVerificationInfo ivi = 15244 mSettings.getIntentFilterVerificationLPr(packageName); 15245 if (ivi != null) { 15246 if (DEBUG_DOMAIN_VERIFICATION) { 15247 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15248 + ivi.getStatusString()); 15249 } 15250 return; 15251 } 15252 } 15253 15254 // If any filters need to be verified, then all need to be. 15255 boolean needToVerify = false; 15256 for (PackageParser.Activity a : pkg.activities) { 15257 for (ActivityIntentInfo filter : a.intents) { 15258 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15259 if (DEBUG_DOMAIN_VERIFICATION) { 15260 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15261 } 15262 needToVerify = true; 15263 break; 15264 } 15265 } 15266 } 15267 15268 if (needToVerify) { 15269 final int verificationId = mIntentFilterVerificationToken++; 15270 for (PackageParser.Activity a : pkg.activities) { 15271 for (ActivityIntentInfo filter : a.intents) { 15272 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15273 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15274 "Verification needed for IntentFilter:" + filter.toString()); 15275 mIntentFilterVerifier.addOneIntentFilterVerification( 15276 verifierUid, userId, verificationId, filter, packageName); 15277 count++; 15278 } 15279 } 15280 } 15281 } 15282 } 15283 15284 if (count > 0) { 15285 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15286 + " IntentFilter verification" + (count > 1 ? "s" : "") 15287 + " for userId:" + userId); 15288 mIntentFilterVerifier.startVerifications(userId); 15289 } else { 15290 if (DEBUG_DOMAIN_VERIFICATION) { 15291 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15292 } 15293 } 15294 } 15295 15296 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15297 final ComponentName cn = filter.activity.getComponentName(); 15298 final String packageName = cn.getPackageName(); 15299 15300 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15301 packageName); 15302 if (ivi == null) { 15303 return true; 15304 } 15305 int status = ivi.getStatus(); 15306 switch (status) { 15307 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15308 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15309 return true; 15310 15311 default: 15312 // Nothing to do 15313 return false; 15314 } 15315 } 15316 15317 private static boolean isMultiArch(ApplicationInfo info) { 15318 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15319 } 15320 15321 private static boolean isExternal(PackageParser.Package pkg) { 15322 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15323 } 15324 15325 private static boolean isExternal(PackageSetting ps) { 15326 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15327 } 15328 15329 private static boolean isEphemeral(PackageParser.Package pkg) { 15330 return pkg.applicationInfo.isEphemeralApp(); 15331 } 15332 15333 private static boolean isEphemeral(PackageSetting ps) { 15334 return ps.pkg != null && isEphemeral(ps.pkg); 15335 } 15336 15337 private static boolean isSystemApp(PackageParser.Package pkg) { 15338 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15339 } 15340 15341 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15342 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15343 } 15344 15345 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15346 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15347 } 15348 15349 private static boolean isSystemApp(PackageSetting ps) { 15350 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15351 } 15352 15353 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15354 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15355 } 15356 15357 private int packageFlagsToInstallFlags(PackageSetting ps) { 15358 int installFlags = 0; 15359 if (isEphemeral(ps)) { 15360 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15361 } 15362 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15363 // This existing package was an external ASEC install when we have 15364 // the external flag without a UUID 15365 installFlags |= PackageManager.INSTALL_EXTERNAL; 15366 } 15367 if (ps.isForwardLocked()) { 15368 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15369 } 15370 return installFlags; 15371 } 15372 15373 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15374 if (isExternal(pkg)) { 15375 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15376 return StorageManager.UUID_PRIMARY_PHYSICAL; 15377 } else { 15378 return pkg.volumeUuid; 15379 } 15380 } else { 15381 return StorageManager.UUID_PRIVATE_INTERNAL; 15382 } 15383 } 15384 15385 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15386 if (isExternal(pkg)) { 15387 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15388 return mSettings.getExternalVersion(); 15389 } else { 15390 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15391 } 15392 } else { 15393 return mSettings.getInternalVersion(); 15394 } 15395 } 15396 15397 private void deleteTempPackageFiles() { 15398 final FilenameFilter filter = new FilenameFilter() { 15399 public boolean accept(File dir, String name) { 15400 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15401 } 15402 }; 15403 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15404 file.delete(); 15405 } 15406 } 15407 15408 @Override 15409 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15410 int flags) { 15411 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15412 flags); 15413 } 15414 15415 @Override 15416 public void deletePackage(final String packageName, 15417 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15418 mContext.enforceCallingOrSelfPermission( 15419 android.Manifest.permission.DELETE_PACKAGES, null); 15420 Preconditions.checkNotNull(packageName); 15421 Preconditions.checkNotNull(observer); 15422 final int uid = Binder.getCallingUid(); 15423 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15424 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15425 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15426 mContext.enforceCallingOrSelfPermission( 15427 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15428 "deletePackage for user " + userId); 15429 } 15430 15431 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15432 try { 15433 observer.onPackageDeleted(packageName, 15434 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15435 } catch (RemoteException re) { 15436 } 15437 return; 15438 } 15439 15440 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15441 try { 15442 observer.onPackageDeleted(packageName, 15443 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15444 } catch (RemoteException re) { 15445 } 15446 return; 15447 } 15448 15449 if (DEBUG_REMOVE) { 15450 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15451 + " deleteAllUsers: " + deleteAllUsers ); 15452 } 15453 // Queue up an async operation since the package deletion may take a little while. 15454 mHandler.post(new Runnable() { 15455 public void run() { 15456 mHandler.removeCallbacks(this); 15457 int returnCode; 15458 if (!deleteAllUsers) { 15459 returnCode = deletePackageX(packageName, userId, deleteFlags); 15460 } else { 15461 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15462 // If nobody is blocking uninstall, proceed with delete for all users 15463 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15464 returnCode = deletePackageX(packageName, userId, deleteFlags); 15465 } else { 15466 // Otherwise uninstall individually for users with blockUninstalls=false 15467 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15468 for (int userId : users) { 15469 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15470 returnCode = deletePackageX(packageName, userId, userFlags); 15471 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15472 Slog.w(TAG, "Package delete failed for user " + userId 15473 + ", returnCode " + returnCode); 15474 } 15475 } 15476 } 15477 // The app has only been marked uninstalled for certain users. 15478 // We still need to report that delete was blocked 15479 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15480 } 15481 } 15482 try { 15483 observer.onPackageDeleted(packageName, returnCode, null); 15484 } catch (RemoteException e) { 15485 Log.i(TAG, "Observer no longer exists."); 15486 } //end catch 15487 } //end run 15488 }); 15489 } 15490 15491 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15492 int[] result = EMPTY_INT_ARRAY; 15493 for (int userId : userIds) { 15494 if (getBlockUninstallForUser(packageName, userId)) { 15495 result = ArrayUtils.appendInt(result, userId); 15496 } 15497 } 15498 return result; 15499 } 15500 15501 @Override 15502 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15503 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15504 } 15505 15506 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15507 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15508 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15509 try { 15510 if (dpm != null) { 15511 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15512 /* callingUserOnly =*/ false); 15513 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15514 : deviceOwnerComponentName.getPackageName(); 15515 // Does the package contains the device owner? 15516 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15517 // this check is probably not needed, since DO should be registered as a device 15518 // admin on some user too. (Original bug for this: b/17657954) 15519 if (packageName.equals(deviceOwnerPackageName)) { 15520 return true; 15521 } 15522 // Does it contain a device admin for any user? 15523 int[] users; 15524 if (userId == UserHandle.USER_ALL) { 15525 users = sUserManager.getUserIds(); 15526 } else { 15527 users = new int[]{userId}; 15528 } 15529 for (int i = 0; i < users.length; ++i) { 15530 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15531 return true; 15532 } 15533 } 15534 } 15535 } catch (RemoteException e) { 15536 } 15537 return false; 15538 } 15539 15540 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15541 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15542 } 15543 15544 /** 15545 * This method is an internal method that could be get invoked either 15546 * to delete an installed package or to clean up a failed installation. 15547 * After deleting an installed package, a broadcast is sent to notify any 15548 * listeners that the package has been removed. For cleaning up a failed 15549 * installation, the broadcast is not necessary since the package's 15550 * installation wouldn't have sent the initial broadcast either 15551 * The key steps in deleting a package are 15552 * deleting the package information in internal structures like mPackages, 15553 * deleting the packages base directories through installd 15554 * updating mSettings to reflect current status 15555 * persisting settings for later use 15556 * sending a broadcast if necessary 15557 */ 15558 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15559 final PackageRemovedInfo info = new PackageRemovedInfo(); 15560 final boolean res; 15561 15562 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15563 ? UserHandle.USER_ALL : userId; 15564 15565 if (isPackageDeviceAdmin(packageName, removeUser)) { 15566 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15567 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15568 } 15569 15570 PackageSetting uninstalledPs = null; 15571 15572 // for the uninstall-updates case and restricted profiles, remember the per- 15573 // user handle installed state 15574 int[] allUsers; 15575 synchronized (mPackages) { 15576 uninstalledPs = mSettings.mPackages.get(packageName); 15577 if (uninstalledPs == null) { 15578 Slog.w(TAG, "Not removing non-existent package " + packageName); 15579 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15580 } 15581 allUsers = sUserManager.getUserIds(); 15582 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15583 } 15584 15585 final int freezeUser; 15586 if (isUpdatedSystemApp(uninstalledPs) 15587 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15588 // We're downgrading a system app, which will apply to all users, so 15589 // freeze them all during the downgrade 15590 freezeUser = UserHandle.USER_ALL; 15591 } else { 15592 freezeUser = removeUser; 15593 } 15594 15595 synchronized (mInstallLock) { 15596 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15597 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15598 deleteFlags, "deletePackageX")) { 15599 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15600 deleteFlags | REMOVE_CHATTY, info, true, null); 15601 } 15602 synchronized (mPackages) { 15603 if (res) { 15604 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15605 } 15606 } 15607 } 15608 15609 if (res) { 15610 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15611 info.sendPackageRemovedBroadcasts(killApp); 15612 info.sendSystemPackageUpdatedBroadcasts(); 15613 info.sendSystemPackageAppearedBroadcasts(); 15614 } 15615 // Force a gc here. 15616 Runtime.getRuntime().gc(); 15617 // Delete the resources here after sending the broadcast to let 15618 // other processes clean up before deleting resources. 15619 if (info.args != null) { 15620 synchronized (mInstallLock) { 15621 info.args.doPostDeleteLI(true); 15622 } 15623 } 15624 15625 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15626 } 15627 15628 class PackageRemovedInfo { 15629 String removedPackage; 15630 int uid = -1; 15631 int removedAppId = -1; 15632 int[] origUsers; 15633 int[] removedUsers = null; 15634 boolean isRemovedPackageSystemUpdate = false; 15635 boolean isUpdate; 15636 boolean dataRemoved; 15637 boolean removedForAllUsers; 15638 // Clean up resources deleted packages. 15639 InstallArgs args = null; 15640 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15641 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15642 15643 void sendPackageRemovedBroadcasts(boolean killApp) { 15644 sendPackageRemovedBroadcastInternal(killApp); 15645 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15646 for (int i = 0; i < childCount; i++) { 15647 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15648 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15649 } 15650 } 15651 15652 void sendSystemPackageUpdatedBroadcasts() { 15653 if (isRemovedPackageSystemUpdate) { 15654 sendSystemPackageUpdatedBroadcastsInternal(); 15655 final int childCount = (removedChildPackages != null) 15656 ? removedChildPackages.size() : 0; 15657 for (int i = 0; i < childCount; i++) { 15658 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15659 if (childInfo.isRemovedPackageSystemUpdate) { 15660 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15661 } 15662 } 15663 } 15664 } 15665 15666 void sendSystemPackageAppearedBroadcasts() { 15667 final int packageCount = (appearedChildPackages != null) 15668 ? appearedChildPackages.size() : 0; 15669 for (int i = 0; i < packageCount; i++) { 15670 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15671 for (int userId : installedInfo.newUsers) { 15672 sendPackageAddedForUser(installedInfo.name, true, 15673 UserHandle.getAppId(installedInfo.uid), userId); 15674 } 15675 } 15676 } 15677 15678 private void sendSystemPackageUpdatedBroadcastsInternal() { 15679 Bundle extras = new Bundle(2); 15680 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15681 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15682 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15683 extras, 0, null, null, null); 15684 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15685 extras, 0, null, null, null); 15686 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15687 null, 0, removedPackage, null, null); 15688 } 15689 15690 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15691 Bundle extras = new Bundle(2); 15692 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15693 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15694 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15695 if (isUpdate || isRemovedPackageSystemUpdate) { 15696 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15697 } 15698 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15699 if (removedPackage != null) { 15700 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15701 extras, 0, null, null, removedUsers); 15702 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15703 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15704 removedPackage, extras, 0, null, null, removedUsers); 15705 } 15706 } 15707 if (removedAppId >= 0) { 15708 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15709 removedUsers); 15710 } 15711 } 15712 } 15713 15714 /* 15715 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15716 * flag is not set, the data directory is removed as well. 15717 * make sure this flag is set for partially installed apps. If not its meaningless to 15718 * delete a partially installed application. 15719 */ 15720 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15721 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15722 String packageName = ps.name; 15723 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15724 // Retrieve object to delete permissions for shared user later on 15725 final PackageParser.Package deletedPkg; 15726 final PackageSetting deletedPs; 15727 // reader 15728 synchronized (mPackages) { 15729 deletedPkg = mPackages.get(packageName); 15730 deletedPs = mSettings.mPackages.get(packageName); 15731 if (outInfo != null) { 15732 outInfo.removedPackage = packageName; 15733 outInfo.removedUsers = deletedPs != null 15734 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15735 : null; 15736 } 15737 } 15738 15739 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15740 15741 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15742 final PackageParser.Package resolvedPkg; 15743 if (deletedPkg != null) { 15744 resolvedPkg = deletedPkg; 15745 } else { 15746 // We don't have a parsed package when it lives on an ejected 15747 // adopted storage device, so fake something together 15748 resolvedPkg = new PackageParser.Package(ps.name); 15749 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15750 } 15751 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15752 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15753 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15754 if (outInfo != null) { 15755 outInfo.dataRemoved = true; 15756 } 15757 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15758 } 15759 15760 // writer 15761 synchronized (mPackages) { 15762 if (deletedPs != null) { 15763 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15764 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15765 clearDefaultBrowserIfNeeded(packageName); 15766 if (outInfo != null) { 15767 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15768 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15769 } 15770 updatePermissionsLPw(deletedPs.name, null, 0); 15771 if (deletedPs.sharedUser != null) { 15772 // Remove permissions associated with package. Since runtime 15773 // permissions are per user we have to kill the removed package 15774 // or packages running under the shared user of the removed 15775 // package if revoking the permissions requested only by the removed 15776 // package is successful and this causes a change in gids. 15777 for (int userId : UserManagerService.getInstance().getUserIds()) { 15778 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15779 userId); 15780 if (userIdToKill == UserHandle.USER_ALL 15781 || userIdToKill >= UserHandle.USER_SYSTEM) { 15782 // If gids changed for this user, kill all affected packages. 15783 mHandler.post(new Runnable() { 15784 @Override 15785 public void run() { 15786 // This has to happen with no lock held. 15787 killApplication(deletedPs.name, deletedPs.appId, 15788 KILL_APP_REASON_GIDS_CHANGED); 15789 } 15790 }); 15791 break; 15792 } 15793 } 15794 } 15795 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15796 } 15797 // make sure to preserve per-user disabled state if this removal was just 15798 // a downgrade of a system app to the factory package 15799 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15800 if (DEBUG_REMOVE) { 15801 Slog.d(TAG, "Propagating install state across downgrade"); 15802 } 15803 for (int userId : allUserHandles) { 15804 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15805 if (DEBUG_REMOVE) { 15806 Slog.d(TAG, " user " + userId + " => " + installed); 15807 } 15808 ps.setInstalled(installed, userId); 15809 } 15810 } 15811 } 15812 // can downgrade to reader 15813 if (writeSettings) { 15814 // Save settings now 15815 mSettings.writeLPr(); 15816 } 15817 } 15818 if (outInfo != null) { 15819 // A user ID was deleted here. Go through all users and remove it 15820 // from KeyStore. 15821 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15822 } 15823 } 15824 15825 static boolean locationIsPrivileged(File path) { 15826 try { 15827 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15828 .getCanonicalPath(); 15829 return path.getCanonicalPath().startsWith(privilegedAppDir); 15830 } catch (IOException e) { 15831 Slog.e(TAG, "Unable to access code path " + path); 15832 } 15833 return false; 15834 } 15835 15836 /* 15837 * Tries to delete system package. 15838 */ 15839 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15840 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15841 boolean writeSettings) { 15842 if (deletedPs.parentPackageName != null) { 15843 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15844 return false; 15845 } 15846 15847 final boolean applyUserRestrictions 15848 = (allUserHandles != null) && (outInfo.origUsers != null); 15849 final PackageSetting disabledPs; 15850 // Confirm if the system package has been updated 15851 // An updated system app can be deleted. This will also have to restore 15852 // the system pkg from system partition 15853 // reader 15854 synchronized (mPackages) { 15855 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15856 } 15857 15858 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15859 + " disabledPs=" + disabledPs); 15860 15861 if (disabledPs == null) { 15862 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15863 return false; 15864 } else if (DEBUG_REMOVE) { 15865 Slog.d(TAG, "Deleting system pkg from data partition"); 15866 } 15867 15868 if (DEBUG_REMOVE) { 15869 if (applyUserRestrictions) { 15870 Slog.d(TAG, "Remembering install states:"); 15871 for (int userId : allUserHandles) { 15872 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15873 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15874 } 15875 } 15876 } 15877 15878 // Delete the updated package 15879 outInfo.isRemovedPackageSystemUpdate = true; 15880 if (outInfo.removedChildPackages != null) { 15881 final int childCount = (deletedPs.childPackageNames != null) 15882 ? deletedPs.childPackageNames.size() : 0; 15883 for (int i = 0; i < childCount; i++) { 15884 String childPackageName = deletedPs.childPackageNames.get(i); 15885 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15886 .contains(childPackageName)) { 15887 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15888 childPackageName); 15889 if (childInfo != null) { 15890 childInfo.isRemovedPackageSystemUpdate = true; 15891 } 15892 } 15893 } 15894 } 15895 15896 if (disabledPs.versionCode < deletedPs.versionCode) { 15897 // Delete data for downgrades 15898 flags &= ~PackageManager.DELETE_KEEP_DATA; 15899 } else { 15900 // Preserve data by setting flag 15901 flags |= PackageManager.DELETE_KEEP_DATA; 15902 } 15903 15904 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15905 outInfo, writeSettings, disabledPs.pkg); 15906 if (!ret) { 15907 return false; 15908 } 15909 15910 // writer 15911 synchronized (mPackages) { 15912 // Reinstate the old system package 15913 enableSystemPackageLPw(disabledPs.pkg); 15914 // Remove any native libraries from the upgraded package. 15915 removeNativeBinariesLI(deletedPs); 15916 } 15917 15918 // Install the system package 15919 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15920 int parseFlags = mDefParseFlags 15921 | PackageParser.PARSE_MUST_BE_APK 15922 | PackageParser.PARSE_IS_SYSTEM 15923 | PackageParser.PARSE_IS_SYSTEM_DIR; 15924 if (locationIsPrivileged(disabledPs.codePath)) { 15925 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15926 } 15927 15928 final PackageParser.Package newPkg; 15929 try { 15930 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15931 } catch (PackageManagerException e) { 15932 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15933 + e.getMessage()); 15934 return false; 15935 } 15936 15937 prepareAppDataAfterInstallLIF(newPkg); 15938 15939 // writer 15940 synchronized (mPackages) { 15941 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15942 15943 // Propagate the permissions state as we do not want to drop on the floor 15944 // runtime permissions. The update permissions method below will take 15945 // care of removing obsolete permissions and grant install permissions. 15946 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15947 updatePermissionsLPw(newPkg.packageName, newPkg, 15948 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15949 15950 if (applyUserRestrictions) { 15951 if (DEBUG_REMOVE) { 15952 Slog.d(TAG, "Propagating install state across reinstall"); 15953 } 15954 for (int userId : allUserHandles) { 15955 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15956 if (DEBUG_REMOVE) { 15957 Slog.d(TAG, " user " + userId + " => " + installed); 15958 } 15959 ps.setInstalled(installed, userId); 15960 15961 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15962 } 15963 // Regardless of writeSettings we need to ensure that this restriction 15964 // state propagation is persisted 15965 mSettings.writeAllUsersPackageRestrictionsLPr(); 15966 } 15967 // can downgrade to reader here 15968 if (writeSettings) { 15969 mSettings.writeLPr(); 15970 } 15971 } 15972 return true; 15973 } 15974 15975 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15976 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15977 PackageRemovedInfo outInfo, boolean writeSettings, 15978 PackageParser.Package replacingPackage) { 15979 synchronized (mPackages) { 15980 if (outInfo != null) { 15981 outInfo.uid = ps.appId; 15982 } 15983 15984 if (outInfo != null && outInfo.removedChildPackages != null) { 15985 final int childCount = (ps.childPackageNames != null) 15986 ? ps.childPackageNames.size() : 0; 15987 for (int i = 0; i < childCount; i++) { 15988 String childPackageName = ps.childPackageNames.get(i); 15989 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15990 if (childPs == null) { 15991 return false; 15992 } 15993 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15994 childPackageName); 15995 if (childInfo != null) { 15996 childInfo.uid = childPs.appId; 15997 } 15998 } 15999 } 16000 } 16001 16002 // Delete package data from internal structures and also remove data if flag is set 16003 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16004 16005 // Delete the child packages data 16006 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16007 for (int i = 0; i < childCount; i++) { 16008 PackageSetting childPs; 16009 synchronized (mPackages) { 16010 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16011 } 16012 if (childPs != null) { 16013 PackageRemovedInfo childOutInfo = (outInfo != null 16014 && outInfo.removedChildPackages != null) 16015 ? outInfo.removedChildPackages.get(childPs.name) : null; 16016 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16017 && (replacingPackage != null 16018 && !replacingPackage.hasChildPackage(childPs.name)) 16019 ? flags & ~DELETE_KEEP_DATA : flags; 16020 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16021 deleteFlags, writeSettings); 16022 } 16023 } 16024 16025 // Delete application code and resources only for parent packages 16026 if (ps.parentPackageName == null) { 16027 if (deleteCodeAndResources && (outInfo != null)) { 16028 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16029 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16030 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16031 } 16032 } 16033 16034 return true; 16035 } 16036 16037 @Override 16038 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16039 int userId) { 16040 mContext.enforceCallingOrSelfPermission( 16041 android.Manifest.permission.DELETE_PACKAGES, null); 16042 synchronized (mPackages) { 16043 PackageSetting ps = mSettings.mPackages.get(packageName); 16044 if (ps == null) { 16045 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16046 return false; 16047 } 16048 if (!ps.getInstalled(userId)) { 16049 // Can't block uninstall for an app that is not installed or enabled. 16050 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16051 return false; 16052 } 16053 ps.setBlockUninstall(blockUninstall, userId); 16054 mSettings.writePackageRestrictionsLPr(userId); 16055 } 16056 return true; 16057 } 16058 16059 @Override 16060 public boolean getBlockUninstallForUser(String packageName, int userId) { 16061 synchronized (mPackages) { 16062 PackageSetting ps = mSettings.mPackages.get(packageName); 16063 if (ps == null) { 16064 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16065 return false; 16066 } 16067 return ps.getBlockUninstall(userId); 16068 } 16069 } 16070 16071 @Override 16072 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16073 int callingUid = Binder.getCallingUid(); 16074 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16075 throw new SecurityException( 16076 "setRequiredForSystemUser can only be run by the system or root"); 16077 } 16078 synchronized (mPackages) { 16079 PackageSetting ps = mSettings.mPackages.get(packageName); 16080 if (ps == null) { 16081 Log.w(TAG, "Package doesn't exist: " + packageName); 16082 return false; 16083 } 16084 if (systemUserApp) { 16085 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16086 } else { 16087 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16088 } 16089 mSettings.writeLPr(); 16090 } 16091 return true; 16092 } 16093 16094 /* 16095 * This method handles package deletion in general 16096 */ 16097 private boolean deletePackageLIF(String packageName, UserHandle user, 16098 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16099 PackageRemovedInfo outInfo, boolean writeSettings, 16100 PackageParser.Package replacingPackage) { 16101 if (packageName == null) { 16102 Slog.w(TAG, "Attempt to delete null packageName."); 16103 return false; 16104 } 16105 16106 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16107 16108 PackageSetting ps; 16109 16110 synchronized (mPackages) { 16111 ps = mSettings.mPackages.get(packageName); 16112 if (ps == null) { 16113 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16114 return false; 16115 } 16116 16117 if (ps.parentPackageName != null && (!isSystemApp(ps) 16118 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16119 if (DEBUG_REMOVE) { 16120 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16121 + ((user == null) ? UserHandle.USER_ALL : user)); 16122 } 16123 final int removedUserId = (user != null) ? user.getIdentifier() 16124 : UserHandle.USER_ALL; 16125 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16126 return false; 16127 } 16128 markPackageUninstalledForUserLPw(ps, user); 16129 scheduleWritePackageRestrictionsLocked(user); 16130 return true; 16131 } 16132 } 16133 16134 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16135 && user.getIdentifier() != UserHandle.USER_ALL)) { 16136 // The caller is asking that the package only be deleted for a single 16137 // user. To do this, we just mark its uninstalled state and delete 16138 // its data. If this is a system app, we only allow this to happen if 16139 // they have set the special DELETE_SYSTEM_APP which requests different 16140 // semantics than normal for uninstalling system apps. 16141 markPackageUninstalledForUserLPw(ps, user); 16142 16143 if (!isSystemApp(ps)) { 16144 // Do not uninstall the APK if an app should be cached 16145 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16146 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16147 // Other user still have this package installed, so all 16148 // we need to do is clear this user's data and save that 16149 // it is uninstalled. 16150 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16151 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16152 return false; 16153 } 16154 scheduleWritePackageRestrictionsLocked(user); 16155 return true; 16156 } else { 16157 // We need to set it back to 'installed' so the uninstall 16158 // broadcasts will be sent correctly. 16159 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16160 ps.setInstalled(true, user.getIdentifier()); 16161 } 16162 } else { 16163 // This is a system app, so we assume that the 16164 // other users still have this package installed, so all 16165 // we need to do is clear this user's data and save that 16166 // it is uninstalled. 16167 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16168 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16169 return false; 16170 } 16171 scheduleWritePackageRestrictionsLocked(user); 16172 return true; 16173 } 16174 } 16175 16176 // If we are deleting a composite package for all users, keep track 16177 // of result for each child. 16178 if (ps.childPackageNames != null && outInfo != null) { 16179 synchronized (mPackages) { 16180 final int childCount = ps.childPackageNames.size(); 16181 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16182 for (int i = 0; i < childCount; i++) { 16183 String childPackageName = ps.childPackageNames.get(i); 16184 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16185 childInfo.removedPackage = childPackageName; 16186 outInfo.removedChildPackages.put(childPackageName, childInfo); 16187 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16188 if (childPs != null) { 16189 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16190 } 16191 } 16192 } 16193 } 16194 16195 boolean ret = false; 16196 if (isSystemApp(ps)) { 16197 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16198 // When an updated system application is deleted we delete the existing resources 16199 // as well and fall back to existing code in system partition 16200 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16201 } else { 16202 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16203 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16204 outInfo, writeSettings, replacingPackage); 16205 } 16206 16207 // Take a note whether we deleted the package for all users 16208 if (outInfo != null) { 16209 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16210 if (outInfo.removedChildPackages != null) { 16211 synchronized (mPackages) { 16212 final int childCount = outInfo.removedChildPackages.size(); 16213 for (int i = 0; i < childCount; i++) { 16214 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16215 if (childInfo != null) { 16216 childInfo.removedForAllUsers = mPackages.get( 16217 childInfo.removedPackage) == null; 16218 } 16219 } 16220 } 16221 } 16222 // If we uninstalled an update to a system app there may be some 16223 // child packages that appeared as they are declared in the system 16224 // app but were not declared in the update. 16225 if (isSystemApp(ps)) { 16226 synchronized (mPackages) { 16227 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16228 final int childCount = (updatedPs.childPackageNames != null) 16229 ? updatedPs.childPackageNames.size() : 0; 16230 for (int i = 0; i < childCount; i++) { 16231 String childPackageName = updatedPs.childPackageNames.get(i); 16232 if (outInfo.removedChildPackages == null 16233 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16234 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16235 if (childPs == null) { 16236 continue; 16237 } 16238 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16239 installRes.name = childPackageName; 16240 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16241 installRes.pkg = mPackages.get(childPackageName); 16242 installRes.uid = childPs.pkg.applicationInfo.uid; 16243 if (outInfo.appearedChildPackages == null) { 16244 outInfo.appearedChildPackages = new ArrayMap<>(); 16245 } 16246 outInfo.appearedChildPackages.put(childPackageName, installRes); 16247 } 16248 } 16249 } 16250 } 16251 } 16252 16253 return ret; 16254 } 16255 16256 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16257 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16258 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16259 for (int nextUserId : userIds) { 16260 if (DEBUG_REMOVE) { 16261 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16262 } 16263 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16264 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16265 false /*hidden*/, false /*suspended*/, null, null, null, 16266 false /*blockUninstall*/, 16267 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16268 } 16269 } 16270 16271 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16272 PackageRemovedInfo outInfo) { 16273 final PackageParser.Package pkg; 16274 synchronized (mPackages) { 16275 pkg = mPackages.get(ps.name); 16276 } 16277 16278 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16279 : new int[] {userId}; 16280 for (int nextUserId : userIds) { 16281 if (DEBUG_REMOVE) { 16282 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16283 + nextUserId); 16284 } 16285 16286 destroyAppDataLIF(pkg, userId, 16287 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16288 destroyAppProfilesLIF(pkg, userId); 16289 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16290 schedulePackageCleaning(ps.name, nextUserId, false); 16291 synchronized (mPackages) { 16292 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16293 scheduleWritePackageRestrictionsLocked(nextUserId); 16294 } 16295 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16296 } 16297 } 16298 16299 if (outInfo != null) { 16300 outInfo.removedPackage = ps.name; 16301 outInfo.removedAppId = ps.appId; 16302 outInfo.removedUsers = userIds; 16303 } 16304 16305 return true; 16306 } 16307 16308 private final class ClearStorageConnection implements ServiceConnection { 16309 IMediaContainerService mContainerService; 16310 16311 @Override 16312 public void onServiceConnected(ComponentName name, IBinder service) { 16313 synchronized (this) { 16314 mContainerService = IMediaContainerService.Stub.asInterface(service); 16315 notifyAll(); 16316 } 16317 } 16318 16319 @Override 16320 public void onServiceDisconnected(ComponentName name) { 16321 } 16322 } 16323 16324 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16325 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16326 16327 final boolean mounted; 16328 if (Environment.isExternalStorageEmulated()) { 16329 mounted = true; 16330 } else { 16331 final String status = Environment.getExternalStorageState(); 16332 16333 mounted = status.equals(Environment.MEDIA_MOUNTED) 16334 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16335 } 16336 16337 if (!mounted) { 16338 return; 16339 } 16340 16341 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16342 int[] users; 16343 if (userId == UserHandle.USER_ALL) { 16344 users = sUserManager.getUserIds(); 16345 } else { 16346 users = new int[] { userId }; 16347 } 16348 final ClearStorageConnection conn = new ClearStorageConnection(); 16349 if (mContext.bindServiceAsUser( 16350 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16351 try { 16352 for (int curUser : users) { 16353 long timeout = SystemClock.uptimeMillis() + 5000; 16354 synchronized (conn) { 16355 long now; 16356 while (conn.mContainerService == null && 16357 (now = SystemClock.uptimeMillis()) < timeout) { 16358 try { 16359 conn.wait(timeout - now); 16360 } catch (InterruptedException e) { 16361 } 16362 } 16363 } 16364 if (conn.mContainerService == null) { 16365 return; 16366 } 16367 16368 final UserEnvironment userEnv = new UserEnvironment(curUser); 16369 clearDirectory(conn.mContainerService, 16370 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16371 if (allData) { 16372 clearDirectory(conn.mContainerService, 16373 userEnv.buildExternalStorageAppDataDirs(packageName)); 16374 clearDirectory(conn.mContainerService, 16375 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16376 } 16377 } 16378 } finally { 16379 mContext.unbindService(conn); 16380 } 16381 } 16382 } 16383 16384 @Override 16385 public void clearApplicationProfileData(String packageName) { 16386 enforceSystemOrRoot("Only the system can clear all profile data"); 16387 16388 final PackageParser.Package pkg; 16389 synchronized (mPackages) { 16390 pkg = mPackages.get(packageName); 16391 } 16392 16393 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16394 synchronized (mInstallLock) { 16395 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16396 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16397 true /* removeBaseMarker */); 16398 } 16399 } 16400 } 16401 16402 @Override 16403 public void clearApplicationUserData(final String packageName, 16404 final IPackageDataObserver observer, final int userId) { 16405 mContext.enforceCallingOrSelfPermission( 16406 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16407 16408 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16409 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16410 16411 if (mProtectedPackages.canPackageBeWiped(userId, packageName)) { 16412 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16413 } 16414 // Queue up an async operation since the package deletion may take a little while. 16415 mHandler.post(new Runnable() { 16416 public void run() { 16417 mHandler.removeCallbacks(this); 16418 final boolean succeeded; 16419 try (PackageFreezer freezer = freezePackage(packageName, 16420 "clearApplicationUserData")) { 16421 synchronized (mInstallLock) { 16422 succeeded = clearApplicationUserDataLIF(packageName, userId); 16423 } 16424 clearExternalStorageDataSync(packageName, userId, true); 16425 } 16426 if (succeeded) { 16427 // invoke DeviceStorageMonitor's update method to clear any notifications 16428 DeviceStorageMonitorInternal dsm = LocalServices 16429 .getService(DeviceStorageMonitorInternal.class); 16430 if (dsm != null) { 16431 dsm.checkMemory(); 16432 } 16433 } 16434 if(observer != null) { 16435 try { 16436 observer.onRemoveCompleted(packageName, succeeded); 16437 } catch (RemoteException e) { 16438 Log.i(TAG, "Observer no longer exists."); 16439 } 16440 } //end if observer 16441 } //end run 16442 }); 16443 } 16444 16445 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16446 if (packageName == null) { 16447 Slog.w(TAG, "Attempt to delete null packageName."); 16448 return false; 16449 } 16450 16451 // Try finding details about the requested package 16452 PackageParser.Package pkg; 16453 synchronized (mPackages) { 16454 pkg = mPackages.get(packageName); 16455 if (pkg == null) { 16456 final PackageSetting ps = mSettings.mPackages.get(packageName); 16457 if (ps != null) { 16458 pkg = ps.pkg; 16459 } 16460 } 16461 16462 if (pkg == null) { 16463 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16464 return false; 16465 } 16466 16467 PackageSetting ps = (PackageSetting) pkg.mExtras; 16468 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16469 } 16470 16471 clearAppDataLIF(pkg, userId, 16472 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16473 16474 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16475 removeKeystoreDataIfNeeded(userId, appId); 16476 16477 UserManagerInternal umInternal = getUserManagerInternal(); 16478 final int flags; 16479 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16480 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16481 } else if (umInternal.isUserRunning(userId)) { 16482 flags = StorageManager.FLAG_STORAGE_DE; 16483 } else { 16484 flags = 0; 16485 } 16486 prepareAppDataContentsLIF(pkg, userId, flags); 16487 16488 return true; 16489 } 16490 16491 /** 16492 * Reverts user permission state changes (permissions and flags) in 16493 * all packages for a given user. 16494 * 16495 * @param userId The device user for which to do a reset. 16496 */ 16497 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16498 final int packageCount = mPackages.size(); 16499 for (int i = 0; i < packageCount; i++) { 16500 PackageParser.Package pkg = mPackages.valueAt(i); 16501 PackageSetting ps = (PackageSetting) pkg.mExtras; 16502 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16503 } 16504 } 16505 16506 private void resetNetworkPolicies(int userId) { 16507 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16508 } 16509 16510 /** 16511 * Reverts user permission state changes (permissions and flags). 16512 * 16513 * @param ps The package for which to reset. 16514 * @param userId The device user for which to do a reset. 16515 */ 16516 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16517 final PackageSetting ps, final int userId) { 16518 if (ps.pkg == null) { 16519 return; 16520 } 16521 16522 // These are flags that can change base on user actions. 16523 final int userSettableMask = FLAG_PERMISSION_USER_SET 16524 | FLAG_PERMISSION_USER_FIXED 16525 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16526 | FLAG_PERMISSION_REVIEW_REQUIRED; 16527 16528 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16529 | FLAG_PERMISSION_POLICY_FIXED; 16530 16531 boolean writeInstallPermissions = false; 16532 boolean writeRuntimePermissions = false; 16533 16534 final int permissionCount = ps.pkg.requestedPermissions.size(); 16535 for (int i = 0; i < permissionCount; i++) { 16536 String permission = ps.pkg.requestedPermissions.get(i); 16537 16538 BasePermission bp = mSettings.mPermissions.get(permission); 16539 if (bp == null) { 16540 continue; 16541 } 16542 16543 // If shared user we just reset the state to which only this app contributed. 16544 if (ps.sharedUser != null) { 16545 boolean used = false; 16546 final int packageCount = ps.sharedUser.packages.size(); 16547 for (int j = 0; j < packageCount; j++) { 16548 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16549 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16550 && pkg.pkg.requestedPermissions.contains(permission)) { 16551 used = true; 16552 break; 16553 } 16554 } 16555 if (used) { 16556 continue; 16557 } 16558 } 16559 16560 PermissionsState permissionsState = ps.getPermissionsState(); 16561 16562 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16563 16564 // Always clear the user settable flags. 16565 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16566 bp.name) != null; 16567 // If permission review is enabled and this is a legacy app, mark the 16568 // permission as requiring a review as this is the initial state. 16569 int flags = 0; 16570 if (Build.PERMISSIONS_REVIEW_REQUIRED 16571 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16572 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16573 } 16574 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16575 if (hasInstallState) { 16576 writeInstallPermissions = true; 16577 } else { 16578 writeRuntimePermissions = true; 16579 } 16580 } 16581 16582 // Below is only runtime permission handling. 16583 if (!bp.isRuntime()) { 16584 continue; 16585 } 16586 16587 // Never clobber system or policy. 16588 if ((oldFlags & policyOrSystemFlags) != 0) { 16589 continue; 16590 } 16591 16592 // If this permission was granted by default, make sure it is. 16593 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16594 if (permissionsState.grantRuntimePermission(bp, userId) 16595 != PERMISSION_OPERATION_FAILURE) { 16596 writeRuntimePermissions = true; 16597 } 16598 // If permission review is enabled the permissions for a legacy apps 16599 // are represented as constantly granted runtime ones, so don't revoke. 16600 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16601 // Otherwise, reset the permission. 16602 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16603 switch (revokeResult) { 16604 case PERMISSION_OPERATION_SUCCESS: 16605 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16606 writeRuntimePermissions = true; 16607 final int appId = ps.appId; 16608 mHandler.post(new Runnable() { 16609 @Override 16610 public void run() { 16611 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16612 } 16613 }); 16614 } break; 16615 } 16616 } 16617 } 16618 16619 // Synchronously write as we are taking permissions away. 16620 if (writeRuntimePermissions) { 16621 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16622 } 16623 16624 // Synchronously write as we are taking permissions away. 16625 if (writeInstallPermissions) { 16626 mSettings.writeLPr(); 16627 } 16628 } 16629 16630 /** 16631 * Remove entries from the keystore daemon. Will only remove it if the 16632 * {@code appId} is valid. 16633 */ 16634 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16635 if (appId < 0) { 16636 return; 16637 } 16638 16639 final KeyStore keyStore = KeyStore.getInstance(); 16640 if (keyStore != null) { 16641 if (userId == UserHandle.USER_ALL) { 16642 for (final int individual : sUserManager.getUserIds()) { 16643 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16644 } 16645 } else { 16646 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16647 } 16648 } else { 16649 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16650 } 16651 } 16652 16653 @Override 16654 public void deleteApplicationCacheFiles(final String packageName, 16655 final IPackageDataObserver observer) { 16656 final int userId = UserHandle.getCallingUserId(); 16657 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16658 } 16659 16660 @Override 16661 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16662 final IPackageDataObserver observer) { 16663 mContext.enforceCallingOrSelfPermission( 16664 android.Manifest.permission.DELETE_CACHE_FILES, null); 16665 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16666 /* requireFullPermission= */ true, /* checkShell= */ false, 16667 "delete application cache files"); 16668 16669 final PackageParser.Package pkg; 16670 synchronized (mPackages) { 16671 pkg = mPackages.get(packageName); 16672 } 16673 16674 // Queue up an async operation since the package deletion may take a little while. 16675 mHandler.post(new Runnable() { 16676 public void run() { 16677 synchronized (mInstallLock) { 16678 final int flags = StorageManager.FLAG_STORAGE_DE 16679 | StorageManager.FLAG_STORAGE_CE; 16680 // We're only clearing cache files, so we don't care if the 16681 // app is unfrozen and still able to run 16682 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16683 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16684 } 16685 clearExternalStorageDataSync(packageName, userId, false); 16686 if (observer != null) { 16687 try { 16688 observer.onRemoveCompleted(packageName, true); 16689 } catch (RemoteException e) { 16690 Log.i(TAG, "Observer no longer exists."); 16691 } 16692 } 16693 } 16694 }); 16695 } 16696 16697 @Override 16698 public void getPackageSizeInfo(final String packageName, int userHandle, 16699 final IPackageStatsObserver observer) { 16700 mContext.enforceCallingOrSelfPermission( 16701 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16702 if (packageName == null) { 16703 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16704 } 16705 16706 PackageStats stats = new PackageStats(packageName, userHandle); 16707 16708 /* 16709 * Queue up an async operation since the package measurement may take a 16710 * little while. 16711 */ 16712 Message msg = mHandler.obtainMessage(INIT_COPY); 16713 msg.obj = new MeasureParams(stats, observer); 16714 mHandler.sendMessage(msg); 16715 } 16716 16717 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16718 final PackageSetting ps; 16719 synchronized (mPackages) { 16720 ps = mSettings.mPackages.get(packageName); 16721 if (ps == null) { 16722 Slog.w(TAG, "Failed to find settings for " + packageName); 16723 return false; 16724 } 16725 } 16726 try { 16727 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16728 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16729 ps.getCeDataInode(userId), ps.codePathString, stats); 16730 } catch (InstallerException e) { 16731 Slog.w(TAG, String.valueOf(e)); 16732 return false; 16733 } 16734 16735 // For now, ignore code size of packages on system partition 16736 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16737 stats.codeSize = 0; 16738 } 16739 16740 return true; 16741 } 16742 16743 private int getUidTargetSdkVersionLockedLPr(int uid) { 16744 Object obj = mSettings.getUserIdLPr(uid); 16745 if (obj instanceof SharedUserSetting) { 16746 final SharedUserSetting sus = (SharedUserSetting) obj; 16747 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16748 final Iterator<PackageSetting> it = sus.packages.iterator(); 16749 while (it.hasNext()) { 16750 final PackageSetting ps = it.next(); 16751 if (ps.pkg != null) { 16752 int v = ps.pkg.applicationInfo.targetSdkVersion; 16753 if (v < vers) vers = v; 16754 } 16755 } 16756 return vers; 16757 } else if (obj instanceof PackageSetting) { 16758 final PackageSetting ps = (PackageSetting) obj; 16759 if (ps.pkg != null) { 16760 return ps.pkg.applicationInfo.targetSdkVersion; 16761 } 16762 } 16763 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16764 } 16765 16766 @Override 16767 public void addPreferredActivity(IntentFilter filter, int match, 16768 ComponentName[] set, ComponentName activity, int userId) { 16769 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16770 "Adding preferred"); 16771 } 16772 16773 private void addPreferredActivityInternal(IntentFilter filter, int match, 16774 ComponentName[] set, ComponentName activity, boolean always, int userId, 16775 String opname) { 16776 // writer 16777 int callingUid = Binder.getCallingUid(); 16778 enforceCrossUserPermission(callingUid, userId, 16779 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16780 if (filter.countActions() == 0) { 16781 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16782 return; 16783 } 16784 synchronized (mPackages) { 16785 if (mContext.checkCallingOrSelfPermission( 16786 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16787 != PackageManager.PERMISSION_GRANTED) { 16788 if (getUidTargetSdkVersionLockedLPr(callingUid) 16789 < Build.VERSION_CODES.FROYO) { 16790 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16791 + callingUid); 16792 return; 16793 } 16794 mContext.enforceCallingOrSelfPermission( 16795 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16796 } 16797 16798 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16799 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16800 + userId + ":"); 16801 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16802 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16803 scheduleWritePackageRestrictionsLocked(userId); 16804 } 16805 } 16806 16807 @Override 16808 public void replacePreferredActivity(IntentFilter filter, int match, 16809 ComponentName[] set, ComponentName activity, int userId) { 16810 if (filter.countActions() != 1) { 16811 throw new IllegalArgumentException( 16812 "replacePreferredActivity expects filter to have only 1 action."); 16813 } 16814 if (filter.countDataAuthorities() != 0 16815 || filter.countDataPaths() != 0 16816 || filter.countDataSchemes() > 1 16817 || filter.countDataTypes() != 0) { 16818 throw new IllegalArgumentException( 16819 "replacePreferredActivity expects filter to have no data authorities, " + 16820 "paths, or types; and at most one scheme."); 16821 } 16822 16823 final int callingUid = Binder.getCallingUid(); 16824 enforceCrossUserPermission(callingUid, userId, 16825 true /* requireFullPermission */, false /* checkShell */, 16826 "replace preferred activity"); 16827 synchronized (mPackages) { 16828 if (mContext.checkCallingOrSelfPermission( 16829 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16830 != PackageManager.PERMISSION_GRANTED) { 16831 if (getUidTargetSdkVersionLockedLPr(callingUid) 16832 < Build.VERSION_CODES.FROYO) { 16833 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16834 + Binder.getCallingUid()); 16835 return; 16836 } 16837 mContext.enforceCallingOrSelfPermission( 16838 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16839 } 16840 16841 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16842 if (pir != null) { 16843 // Get all of the existing entries that exactly match this filter. 16844 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16845 if (existing != null && existing.size() == 1) { 16846 PreferredActivity cur = existing.get(0); 16847 if (DEBUG_PREFERRED) { 16848 Slog.i(TAG, "Checking replace of preferred:"); 16849 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16850 if (!cur.mPref.mAlways) { 16851 Slog.i(TAG, " -- CUR; not mAlways!"); 16852 } else { 16853 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16854 Slog.i(TAG, " -- CUR: mSet=" 16855 + Arrays.toString(cur.mPref.mSetComponents)); 16856 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16857 Slog.i(TAG, " -- NEW: mMatch=" 16858 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16859 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16860 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16861 } 16862 } 16863 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16864 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16865 && cur.mPref.sameSet(set)) { 16866 // Setting the preferred activity to what it happens to be already 16867 if (DEBUG_PREFERRED) { 16868 Slog.i(TAG, "Replacing with same preferred activity " 16869 + cur.mPref.mShortComponent + " for user " 16870 + userId + ":"); 16871 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16872 } 16873 return; 16874 } 16875 } 16876 16877 if (existing != null) { 16878 if (DEBUG_PREFERRED) { 16879 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16880 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16881 } 16882 for (int i = 0; i < existing.size(); i++) { 16883 PreferredActivity pa = existing.get(i); 16884 if (DEBUG_PREFERRED) { 16885 Slog.i(TAG, "Removing existing preferred activity " 16886 + pa.mPref.mComponent + ":"); 16887 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16888 } 16889 pir.removeFilter(pa); 16890 } 16891 } 16892 } 16893 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16894 "Replacing preferred"); 16895 } 16896 } 16897 16898 @Override 16899 public void clearPackagePreferredActivities(String packageName) { 16900 final int uid = Binder.getCallingUid(); 16901 // writer 16902 synchronized (mPackages) { 16903 PackageParser.Package pkg = mPackages.get(packageName); 16904 if (pkg == null || pkg.applicationInfo.uid != uid) { 16905 if (mContext.checkCallingOrSelfPermission( 16906 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16907 != PackageManager.PERMISSION_GRANTED) { 16908 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16909 < Build.VERSION_CODES.FROYO) { 16910 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16911 + Binder.getCallingUid()); 16912 return; 16913 } 16914 mContext.enforceCallingOrSelfPermission( 16915 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16916 } 16917 } 16918 16919 int user = UserHandle.getCallingUserId(); 16920 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16921 scheduleWritePackageRestrictionsLocked(user); 16922 } 16923 } 16924 } 16925 16926 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16927 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16928 ArrayList<PreferredActivity> removed = null; 16929 boolean changed = false; 16930 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16931 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16932 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16933 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16934 continue; 16935 } 16936 Iterator<PreferredActivity> it = pir.filterIterator(); 16937 while (it.hasNext()) { 16938 PreferredActivity pa = it.next(); 16939 // Mark entry for removal only if it matches the package name 16940 // and the entry is of type "always". 16941 if (packageName == null || 16942 (pa.mPref.mComponent.getPackageName().equals(packageName) 16943 && pa.mPref.mAlways)) { 16944 if (removed == null) { 16945 removed = new ArrayList<PreferredActivity>(); 16946 } 16947 removed.add(pa); 16948 } 16949 } 16950 if (removed != null) { 16951 for (int j=0; j<removed.size(); j++) { 16952 PreferredActivity pa = removed.get(j); 16953 pir.removeFilter(pa); 16954 } 16955 changed = true; 16956 } 16957 } 16958 return changed; 16959 } 16960 16961 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16962 private void clearIntentFilterVerificationsLPw(int userId) { 16963 final int packageCount = mPackages.size(); 16964 for (int i = 0; i < packageCount; i++) { 16965 PackageParser.Package pkg = mPackages.valueAt(i); 16966 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16967 } 16968 } 16969 16970 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16971 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16972 if (userId == UserHandle.USER_ALL) { 16973 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16974 sUserManager.getUserIds())) { 16975 for (int oneUserId : sUserManager.getUserIds()) { 16976 scheduleWritePackageRestrictionsLocked(oneUserId); 16977 } 16978 } 16979 } else { 16980 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16981 scheduleWritePackageRestrictionsLocked(userId); 16982 } 16983 } 16984 } 16985 16986 void clearDefaultBrowserIfNeeded(String packageName) { 16987 for (int oneUserId : sUserManager.getUserIds()) { 16988 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16989 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16990 if (packageName.equals(defaultBrowserPackageName)) { 16991 setDefaultBrowserPackageName(null, oneUserId); 16992 } 16993 } 16994 } 16995 16996 @Override 16997 public void resetApplicationPreferences(int userId) { 16998 mContext.enforceCallingOrSelfPermission( 16999 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17000 final long identity = Binder.clearCallingIdentity(); 17001 // writer 17002 try { 17003 synchronized (mPackages) { 17004 clearPackagePreferredActivitiesLPw(null, userId); 17005 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17006 // TODO: We have to reset the default SMS and Phone. This requires 17007 // significant refactoring to keep all default apps in the package 17008 // manager (cleaner but more work) or have the services provide 17009 // callbacks to the package manager to request a default app reset. 17010 applyFactoryDefaultBrowserLPw(userId); 17011 clearIntentFilterVerificationsLPw(userId); 17012 primeDomainVerificationsLPw(userId); 17013 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17014 scheduleWritePackageRestrictionsLocked(userId); 17015 } 17016 resetNetworkPolicies(userId); 17017 } finally { 17018 Binder.restoreCallingIdentity(identity); 17019 } 17020 } 17021 17022 @Override 17023 public int getPreferredActivities(List<IntentFilter> outFilters, 17024 List<ComponentName> outActivities, String packageName) { 17025 17026 int num = 0; 17027 final int userId = UserHandle.getCallingUserId(); 17028 // reader 17029 synchronized (mPackages) { 17030 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17031 if (pir != null) { 17032 final Iterator<PreferredActivity> it = pir.filterIterator(); 17033 while (it.hasNext()) { 17034 final PreferredActivity pa = it.next(); 17035 if (packageName == null 17036 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17037 && pa.mPref.mAlways)) { 17038 if (outFilters != null) { 17039 outFilters.add(new IntentFilter(pa)); 17040 } 17041 if (outActivities != null) { 17042 outActivities.add(pa.mPref.mComponent); 17043 } 17044 } 17045 } 17046 } 17047 } 17048 17049 return num; 17050 } 17051 17052 @Override 17053 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17054 int userId) { 17055 int callingUid = Binder.getCallingUid(); 17056 if (callingUid != Process.SYSTEM_UID) { 17057 throw new SecurityException( 17058 "addPersistentPreferredActivity can only be run by the system"); 17059 } 17060 if (filter.countActions() == 0) { 17061 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17062 return; 17063 } 17064 synchronized (mPackages) { 17065 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17066 ":"); 17067 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17068 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17069 new PersistentPreferredActivity(filter, activity)); 17070 scheduleWritePackageRestrictionsLocked(userId); 17071 } 17072 } 17073 17074 @Override 17075 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17076 int callingUid = Binder.getCallingUid(); 17077 if (callingUid != Process.SYSTEM_UID) { 17078 throw new SecurityException( 17079 "clearPackagePersistentPreferredActivities can only be run by the system"); 17080 } 17081 ArrayList<PersistentPreferredActivity> removed = null; 17082 boolean changed = false; 17083 synchronized (mPackages) { 17084 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17085 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17086 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17087 .valueAt(i); 17088 if (userId != thisUserId) { 17089 continue; 17090 } 17091 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17092 while (it.hasNext()) { 17093 PersistentPreferredActivity ppa = it.next(); 17094 // Mark entry for removal only if it matches the package name. 17095 if (ppa.mComponent.getPackageName().equals(packageName)) { 17096 if (removed == null) { 17097 removed = new ArrayList<PersistentPreferredActivity>(); 17098 } 17099 removed.add(ppa); 17100 } 17101 } 17102 if (removed != null) { 17103 for (int j=0; j<removed.size(); j++) { 17104 PersistentPreferredActivity ppa = removed.get(j); 17105 ppir.removeFilter(ppa); 17106 } 17107 changed = true; 17108 } 17109 } 17110 17111 if (changed) { 17112 scheduleWritePackageRestrictionsLocked(userId); 17113 } 17114 } 17115 } 17116 17117 /** 17118 * Common machinery for picking apart a restored XML blob and passing 17119 * it to a caller-supplied functor to be applied to the running system. 17120 */ 17121 private void restoreFromXml(XmlPullParser parser, int userId, 17122 String expectedStartTag, BlobXmlRestorer functor) 17123 throws IOException, XmlPullParserException { 17124 int type; 17125 while ((type = parser.next()) != XmlPullParser.START_TAG 17126 && type != XmlPullParser.END_DOCUMENT) { 17127 } 17128 if (type != XmlPullParser.START_TAG) { 17129 // oops didn't find a start tag?! 17130 if (DEBUG_BACKUP) { 17131 Slog.e(TAG, "Didn't find start tag during restore"); 17132 } 17133 return; 17134 } 17135Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17136 // this is supposed to be TAG_PREFERRED_BACKUP 17137 if (!expectedStartTag.equals(parser.getName())) { 17138 if (DEBUG_BACKUP) { 17139 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17140 } 17141 return; 17142 } 17143 17144 // skip interfering stuff, then we're aligned with the backing implementation 17145 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17146Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17147 functor.apply(parser, userId); 17148 } 17149 17150 private interface BlobXmlRestorer { 17151 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17152 } 17153 17154 /** 17155 * Non-Binder method, support for the backup/restore mechanism: write the 17156 * full set of preferred activities in its canonical XML format. Returns the 17157 * XML output as a byte array, or null if there is none. 17158 */ 17159 @Override 17160 public byte[] getPreferredActivityBackup(int userId) { 17161 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17162 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17163 } 17164 17165 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17166 try { 17167 final XmlSerializer serializer = new FastXmlSerializer(); 17168 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17169 serializer.startDocument(null, true); 17170 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17171 17172 synchronized (mPackages) { 17173 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17174 } 17175 17176 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17177 serializer.endDocument(); 17178 serializer.flush(); 17179 } catch (Exception e) { 17180 if (DEBUG_BACKUP) { 17181 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17182 } 17183 return null; 17184 } 17185 17186 return dataStream.toByteArray(); 17187 } 17188 17189 @Override 17190 public void restorePreferredActivities(byte[] backup, int userId) { 17191 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17192 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17193 } 17194 17195 try { 17196 final XmlPullParser parser = Xml.newPullParser(); 17197 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17198 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17199 new BlobXmlRestorer() { 17200 @Override 17201 public void apply(XmlPullParser parser, int userId) 17202 throws XmlPullParserException, IOException { 17203 synchronized (mPackages) { 17204 mSettings.readPreferredActivitiesLPw(parser, userId); 17205 } 17206 } 17207 } ); 17208 } catch (Exception e) { 17209 if (DEBUG_BACKUP) { 17210 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17211 } 17212 } 17213 } 17214 17215 /** 17216 * Non-Binder method, support for the backup/restore mechanism: write the 17217 * default browser (etc) settings in its canonical XML format. Returns the default 17218 * browser XML representation as a byte array, or null if there is none. 17219 */ 17220 @Override 17221 public byte[] getDefaultAppsBackup(int userId) { 17222 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17223 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17224 } 17225 17226 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17227 try { 17228 final XmlSerializer serializer = new FastXmlSerializer(); 17229 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17230 serializer.startDocument(null, true); 17231 serializer.startTag(null, TAG_DEFAULT_APPS); 17232 17233 synchronized (mPackages) { 17234 mSettings.writeDefaultAppsLPr(serializer, userId); 17235 } 17236 17237 serializer.endTag(null, TAG_DEFAULT_APPS); 17238 serializer.endDocument(); 17239 serializer.flush(); 17240 } catch (Exception e) { 17241 if (DEBUG_BACKUP) { 17242 Slog.e(TAG, "Unable to write default apps for backup", e); 17243 } 17244 return null; 17245 } 17246 17247 return dataStream.toByteArray(); 17248 } 17249 17250 @Override 17251 public void restoreDefaultApps(byte[] backup, int userId) { 17252 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17253 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17254 } 17255 17256 try { 17257 final XmlPullParser parser = Xml.newPullParser(); 17258 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17259 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17260 new BlobXmlRestorer() { 17261 @Override 17262 public void apply(XmlPullParser parser, int userId) 17263 throws XmlPullParserException, IOException { 17264 synchronized (mPackages) { 17265 mSettings.readDefaultAppsLPw(parser, userId); 17266 } 17267 } 17268 } ); 17269 } catch (Exception e) { 17270 if (DEBUG_BACKUP) { 17271 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17272 } 17273 } 17274 } 17275 17276 @Override 17277 public byte[] getIntentFilterVerificationBackup(int userId) { 17278 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17279 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17280 } 17281 17282 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17283 try { 17284 final XmlSerializer serializer = new FastXmlSerializer(); 17285 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17286 serializer.startDocument(null, true); 17287 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17288 17289 synchronized (mPackages) { 17290 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17291 } 17292 17293 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17294 serializer.endDocument(); 17295 serializer.flush(); 17296 } catch (Exception e) { 17297 if (DEBUG_BACKUP) { 17298 Slog.e(TAG, "Unable to write default apps for backup", e); 17299 } 17300 return null; 17301 } 17302 17303 return dataStream.toByteArray(); 17304 } 17305 17306 @Override 17307 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17308 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17309 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17310 } 17311 17312 try { 17313 final XmlPullParser parser = Xml.newPullParser(); 17314 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17315 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17316 new BlobXmlRestorer() { 17317 @Override 17318 public void apply(XmlPullParser parser, int userId) 17319 throws XmlPullParserException, IOException { 17320 synchronized (mPackages) { 17321 mSettings.readAllDomainVerificationsLPr(parser, userId); 17322 mSettings.writeLPr(); 17323 } 17324 } 17325 } ); 17326 } catch (Exception e) { 17327 if (DEBUG_BACKUP) { 17328 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17329 } 17330 } 17331 } 17332 17333 @Override 17334 public byte[] getPermissionGrantBackup(int userId) { 17335 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17336 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17337 } 17338 17339 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17340 try { 17341 final XmlSerializer serializer = new FastXmlSerializer(); 17342 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17343 serializer.startDocument(null, true); 17344 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17345 17346 synchronized (mPackages) { 17347 serializeRuntimePermissionGrantsLPr(serializer, userId); 17348 } 17349 17350 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17351 serializer.endDocument(); 17352 serializer.flush(); 17353 } catch (Exception e) { 17354 if (DEBUG_BACKUP) { 17355 Slog.e(TAG, "Unable to write default apps for backup", e); 17356 } 17357 return null; 17358 } 17359 17360 return dataStream.toByteArray(); 17361 } 17362 17363 @Override 17364 public void restorePermissionGrants(byte[] backup, int userId) { 17365 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17366 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17367 } 17368 17369 try { 17370 final XmlPullParser parser = Xml.newPullParser(); 17371 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17372 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17373 new BlobXmlRestorer() { 17374 @Override 17375 public void apply(XmlPullParser parser, int userId) 17376 throws XmlPullParserException, IOException { 17377 synchronized (mPackages) { 17378 processRestoredPermissionGrantsLPr(parser, userId); 17379 } 17380 } 17381 } ); 17382 } catch (Exception e) { 17383 if (DEBUG_BACKUP) { 17384 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17385 } 17386 } 17387 } 17388 17389 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17390 throws IOException { 17391 serializer.startTag(null, TAG_ALL_GRANTS); 17392 17393 final int N = mSettings.mPackages.size(); 17394 for (int i = 0; i < N; i++) { 17395 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17396 boolean pkgGrantsKnown = false; 17397 17398 PermissionsState packagePerms = ps.getPermissionsState(); 17399 17400 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17401 final int grantFlags = state.getFlags(); 17402 // only look at grants that are not system/policy fixed 17403 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17404 final boolean isGranted = state.isGranted(); 17405 // And only back up the user-twiddled state bits 17406 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17407 final String packageName = mSettings.mPackages.keyAt(i); 17408 if (!pkgGrantsKnown) { 17409 serializer.startTag(null, TAG_GRANT); 17410 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17411 pkgGrantsKnown = true; 17412 } 17413 17414 final boolean userSet = 17415 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17416 final boolean userFixed = 17417 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17418 final boolean revoke = 17419 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17420 17421 serializer.startTag(null, TAG_PERMISSION); 17422 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17423 if (isGranted) { 17424 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17425 } 17426 if (userSet) { 17427 serializer.attribute(null, ATTR_USER_SET, "true"); 17428 } 17429 if (userFixed) { 17430 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17431 } 17432 if (revoke) { 17433 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17434 } 17435 serializer.endTag(null, TAG_PERMISSION); 17436 } 17437 } 17438 } 17439 17440 if (pkgGrantsKnown) { 17441 serializer.endTag(null, TAG_GRANT); 17442 } 17443 } 17444 17445 serializer.endTag(null, TAG_ALL_GRANTS); 17446 } 17447 17448 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17449 throws XmlPullParserException, IOException { 17450 String pkgName = null; 17451 int outerDepth = parser.getDepth(); 17452 int type; 17453 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17454 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17455 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17456 continue; 17457 } 17458 17459 final String tagName = parser.getName(); 17460 if (tagName.equals(TAG_GRANT)) { 17461 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17462 if (DEBUG_BACKUP) { 17463 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17464 } 17465 } else if (tagName.equals(TAG_PERMISSION)) { 17466 17467 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17468 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17469 17470 int newFlagSet = 0; 17471 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17472 newFlagSet |= FLAG_PERMISSION_USER_SET; 17473 } 17474 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17475 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17476 } 17477 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17478 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17479 } 17480 if (DEBUG_BACKUP) { 17481 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17482 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17483 } 17484 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17485 if (ps != null) { 17486 // Already installed so we apply the grant immediately 17487 if (DEBUG_BACKUP) { 17488 Slog.v(TAG, " + already installed; applying"); 17489 } 17490 PermissionsState perms = ps.getPermissionsState(); 17491 BasePermission bp = mSettings.mPermissions.get(permName); 17492 if (bp != null) { 17493 if (isGranted) { 17494 perms.grantRuntimePermission(bp, userId); 17495 } 17496 if (newFlagSet != 0) { 17497 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17498 } 17499 } 17500 } else { 17501 // Need to wait for post-restore install to apply the grant 17502 if (DEBUG_BACKUP) { 17503 Slog.v(TAG, " - not yet installed; saving for later"); 17504 } 17505 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17506 isGranted, newFlagSet, userId); 17507 } 17508 } else { 17509 PackageManagerService.reportSettingsProblem(Log.WARN, 17510 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17511 XmlUtils.skipCurrentTag(parser); 17512 } 17513 } 17514 17515 scheduleWriteSettingsLocked(); 17516 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17517 } 17518 17519 @Override 17520 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17521 int sourceUserId, int targetUserId, int flags) { 17522 mContext.enforceCallingOrSelfPermission( 17523 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17524 int callingUid = Binder.getCallingUid(); 17525 enforceOwnerRights(ownerPackage, callingUid); 17526 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17527 if (intentFilter.countActions() == 0) { 17528 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17529 return; 17530 } 17531 synchronized (mPackages) { 17532 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17533 ownerPackage, targetUserId, flags); 17534 CrossProfileIntentResolver resolver = 17535 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17536 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17537 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17538 if (existing != null) { 17539 int size = existing.size(); 17540 for (int i = 0; i < size; i++) { 17541 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17542 return; 17543 } 17544 } 17545 } 17546 resolver.addFilter(newFilter); 17547 scheduleWritePackageRestrictionsLocked(sourceUserId); 17548 } 17549 } 17550 17551 @Override 17552 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17553 mContext.enforceCallingOrSelfPermission( 17554 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17555 int callingUid = Binder.getCallingUid(); 17556 enforceOwnerRights(ownerPackage, callingUid); 17557 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17558 synchronized (mPackages) { 17559 CrossProfileIntentResolver resolver = 17560 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17561 ArraySet<CrossProfileIntentFilter> set = 17562 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17563 for (CrossProfileIntentFilter filter : set) { 17564 if (filter.getOwnerPackage().equals(ownerPackage)) { 17565 resolver.removeFilter(filter); 17566 } 17567 } 17568 scheduleWritePackageRestrictionsLocked(sourceUserId); 17569 } 17570 } 17571 17572 // Enforcing that callingUid is owning pkg on userId 17573 private void enforceOwnerRights(String pkg, int callingUid) { 17574 // The system owns everything. 17575 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17576 return; 17577 } 17578 int callingUserId = UserHandle.getUserId(callingUid); 17579 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17580 if (pi == null) { 17581 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17582 + callingUserId); 17583 } 17584 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17585 throw new SecurityException("Calling uid " + callingUid 17586 + " does not own package " + pkg); 17587 } 17588 } 17589 17590 @Override 17591 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17592 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17593 } 17594 17595 private Intent getHomeIntent() { 17596 Intent intent = new Intent(Intent.ACTION_MAIN); 17597 intent.addCategory(Intent.CATEGORY_HOME); 17598 return intent; 17599 } 17600 17601 private IntentFilter getHomeFilter() { 17602 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17603 filter.addCategory(Intent.CATEGORY_HOME); 17604 filter.addCategory(Intent.CATEGORY_DEFAULT); 17605 return filter; 17606 } 17607 17608 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17609 int userId) { 17610 Intent intent = getHomeIntent(); 17611 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17612 PackageManager.GET_META_DATA, userId); 17613 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17614 true, false, false, userId); 17615 17616 allHomeCandidates.clear(); 17617 if (list != null) { 17618 for (ResolveInfo ri : list) { 17619 allHomeCandidates.add(ri); 17620 } 17621 } 17622 return (preferred == null || preferred.activityInfo == null) 17623 ? null 17624 : new ComponentName(preferred.activityInfo.packageName, 17625 preferred.activityInfo.name); 17626 } 17627 17628 @Override 17629 public void setHomeActivity(ComponentName comp, int userId) { 17630 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17631 getHomeActivitiesAsUser(homeActivities, userId); 17632 17633 boolean found = false; 17634 17635 final int size = homeActivities.size(); 17636 final ComponentName[] set = new ComponentName[size]; 17637 for (int i = 0; i < size; i++) { 17638 final ResolveInfo candidate = homeActivities.get(i); 17639 final ActivityInfo info = candidate.activityInfo; 17640 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17641 set[i] = activityName; 17642 if (!found && activityName.equals(comp)) { 17643 found = true; 17644 } 17645 } 17646 if (!found) { 17647 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17648 + userId); 17649 } 17650 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17651 set, comp, userId); 17652 } 17653 17654 private @Nullable String getSetupWizardPackageName() { 17655 final Intent intent = new Intent(Intent.ACTION_MAIN); 17656 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17657 17658 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17659 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17660 | MATCH_DISABLED_COMPONENTS, 17661 UserHandle.myUserId()); 17662 if (matches.size() == 1) { 17663 return matches.get(0).getComponentInfo().packageName; 17664 } else { 17665 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17666 + ": matches=" + matches); 17667 return null; 17668 } 17669 } 17670 17671 @Override 17672 public void setApplicationEnabledSetting(String appPackageName, 17673 int newState, int flags, int userId, String callingPackage) { 17674 if (!sUserManager.exists(userId)) return; 17675 if (callingPackage == null) { 17676 callingPackage = Integer.toString(Binder.getCallingUid()); 17677 } 17678 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17679 } 17680 17681 @Override 17682 public void setComponentEnabledSetting(ComponentName componentName, 17683 int newState, int flags, int userId) { 17684 if (!sUserManager.exists(userId)) return; 17685 setEnabledSetting(componentName.getPackageName(), 17686 componentName.getClassName(), newState, flags, userId, null); 17687 } 17688 17689 private void setEnabledSetting(final String packageName, String className, int newState, 17690 final int flags, int userId, String callingPackage) { 17691 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17692 || newState == COMPONENT_ENABLED_STATE_ENABLED 17693 || newState == COMPONENT_ENABLED_STATE_DISABLED 17694 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17695 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17696 throw new IllegalArgumentException("Invalid new component state: " 17697 + newState); 17698 } 17699 PackageSetting pkgSetting; 17700 final int uid = Binder.getCallingUid(); 17701 final int permission; 17702 if (uid == Process.SYSTEM_UID) { 17703 permission = PackageManager.PERMISSION_GRANTED; 17704 } else { 17705 permission = mContext.checkCallingOrSelfPermission( 17706 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17707 } 17708 enforceCrossUserPermission(uid, userId, 17709 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17710 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17711 boolean sendNow = false; 17712 boolean isApp = (className == null); 17713 String componentName = isApp ? packageName : className; 17714 int packageUid = -1; 17715 ArrayList<String> components; 17716 17717 // writer 17718 synchronized (mPackages) { 17719 pkgSetting = mSettings.mPackages.get(packageName); 17720 if (pkgSetting == null) { 17721 if (className == null) { 17722 throw new IllegalArgumentException("Unknown package: " + packageName); 17723 } 17724 throw new IllegalArgumentException( 17725 "Unknown component: " + packageName + "/" + className); 17726 } 17727 } 17728 17729 // Limit who can change which apps 17730 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17731 // Don't allow apps that don't have permission to modify other apps 17732 if (!allowedByPermission) { 17733 throw new SecurityException( 17734 "Permission Denial: attempt to change component state from pid=" 17735 + Binder.getCallingPid() 17736 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17737 } 17738 // Don't allow changing profile and device owners. 17739 if (mProtectedPackages.canPackageStateBeChanged(userId, packageName)) { 17740 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17741 } 17742 } 17743 17744 synchronized (mPackages) { 17745 if (uid == Process.SHELL_UID) { 17746 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17747 int oldState = pkgSetting.getEnabled(userId); 17748 if (className == null 17749 && 17750 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17751 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17752 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17753 && 17754 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17755 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17756 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17757 // ok 17758 } else { 17759 throw new SecurityException( 17760 "Shell cannot change component state for " + packageName + "/" 17761 + className + " to " + newState); 17762 } 17763 } 17764 if (className == null) { 17765 // We're dealing with an application/package level state change 17766 if (pkgSetting.getEnabled(userId) == newState) { 17767 // Nothing to do 17768 return; 17769 } 17770 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17771 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17772 // Don't care about who enables an app. 17773 callingPackage = null; 17774 } 17775 pkgSetting.setEnabled(newState, userId, callingPackage); 17776 // pkgSetting.pkg.mSetEnabled = newState; 17777 } else { 17778 // We're dealing with a component level state change 17779 // First, verify that this is a valid class name. 17780 PackageParser.Package pkg = pkgSetting.pkg; 17781 if (pkg == null || !pkg.hasComponentClassName(className)) { 17782 if (pkg != null && 17783 pkg.applicationInfo.targetSdkVersion >= 17784 Build.VERSION_CODES.JELLY_BEAN) { 17785 throw new IllegalArgumentException("Component class " + className 17786 + " does not exist in " + packageName); 17787 } else { 17788 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17789 + className + " does not exist in " + packageName); 17790 } 17791 } 17792 switch (newState) { 17793 case COMPONENT_ENABLED_STATE_ENABLED: 17794 if (!pkgSetting.enableComponentLPw(className, userId)) { 17795 return; 17796 } 17797 break; 17798 case COMPONENT_ENABLED_STATE_DISABLED: 17799 if (!pkgSetting.disableComponentLPw(className, userId)) { 17800 return; 17801 } 17802 break; 17803 case COMPONENT_ENABLED_STATE_DEFAULT: 17804 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17805 return; 17806 } 17807 break; 17808 default: 17809 Slog.e(TAG, "Invalid new component state: " + newState); 17810 return; 17811 } 17812 } 17813 scheduleWritePackageRestrictionsLocked(userId); 17814 components = mPendingBroadcasts.get(userId, packageName); 17815 final boolean newPackage = components == null; 17816 if (newPackage) { 17817 components = new ArrayList<String>(); 17818 } 17819 if (!components.contains(componentName)) { 17820 components.add(componentName); 17821 } 17822 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17823 sendNow = true; 17824 // Purge entry from pending broadcast list if another one exists already 17825 // since we are sending one right away. 17826 mPendingBroadcasts.remove(userId, packageName); 17827 } else { 17828 if (newPackage) { 17829 mPendingBroadcasts.put(userId, packageName, components); 17830 } 17831 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17832 // Schedule a message 17833 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17834 } 17835 } 17836 } 17837 17838 long callingId = Binder.clearCallingIdentity(); 17839 try { 17840 if (sendNow) { 17841 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17842 sendPackageChangedBroadcast(packageName, 17843 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17844 } 17845 } finally { 17846 Binder.restoreCallingIdentity(callingId); 17847 } 17848 } 17849 17850 @Override 17851 public void flushPackageRestrictionsAsUser(int userId) { 17852 if (!sUserManager.exists(userId)) { 17853 return; 17854 } 17855 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17856 false /* checkShell */, "flushPackageRestrictions"); 17857 synchronized (mPackages) { 17858 mSettings.writePackageRestrictionsLPr(userId); 17859 mDirtyUsers.remove(userId); 17860 if (mDirtyUsers.isEmpty()) { 17861 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17862 } 17863 } 17864 } 17865 17866 private void sendPackageChangedBroadcast(String packageName, 17867 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17868 if (DEBUG_INSTALL) 17869 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17870 + componentNames); 17871 Bundle extras = new Bundle(4); 17872 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17873 String nameList[] = new String[componentNames.size()]; 17874 componentNames.toArray(nameList); 17875 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17876 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17877 extras.putInt(Intent.EXTRA_UID, packageUid); 17878 // If this is not reporting a change of the overall package, then only send it 17879 // to registered receivers. We don't want to launch a swath of apps for every 17880 // little component state change. 17881 final int flags = !componentNames.contains(packageName) 17882 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17883 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17884 new int[] {UserHandle.getUserId(packageUid)}); 17885 } 17886 17887 @Override 17888 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17889 if (!sUserManager.exists(userId)) return; 17890 final int uid = Binder.getCallingUid(); 17891 final int permission = mContext.checkCallingOrSelfPermission( 17892 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17893 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17894 enforceCrossUserPermission(uid, userId, 17895 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17896 // writer 17897 synchronized (mPackages) { 17898 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17899 allowedByPermission, uid, userId)) { 17900 scheduleWritePackageRestrictionsLocked(userId); 17901 } 17902 } 17903 } 17904 17905 @Override 17906 public String getInstallerPackageName(String packageName) { 17907 // reader 17908 synchronized (mPackages) { 17909 return mSettings.getInstallerPackageNameLPr(packageName); 17910 } 17911 } 17912 17913 public boolean isOrphaned(String packageName) { 17914 // reader 17915 synchronized (mPackages) { 17916 return mSettings.isOrphaned(packageName); 17917 } 17918 } 17919 17920 @Override 17921 public int getApplicationEnabledSetting(String packageName, int userId) { 17922 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17923 int uid = Binder.getCallingUid(); 17924 enforceCrossUserPermission(uid, userId, 17925 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17926 // reader 17927 synchronized (mPackages) { 17928 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17929 } 17930 } 17931 17932 @Override 17933 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17934 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17935 int uid = Binder.getCallingUid(); 17936 enforceCrossUserPermission(uid, userId, 17937 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17938 // reader 17939 synchronized (mPackages) { 17940 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17941 } 17942 } 17943 17944 @Override 17945 public void enterSafeMode() { 17946 enforceSystemOrRoot("Only the system can request entering safe mode"); 17947 17948 if (!mSystemReady) { 17949 mSafeMode = true; 17950 } 17951 } 17952 17953 @Override 17954 public void systemReady() { 17955 mSystemReady = true; 17956 17957 // Read the compatibilty setting when the system is ready. 17958 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17959 mContext.getContentResolver(), 17960 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17961 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17962 if (DEBUG_SETTINGS) { 17963 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17964 } 17965 17966 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17967 17968 synchronized (mPackages) { 17969 // Verify that all of the preferred activity components actually 17970 // exist. It is possible for applications to be updated and at 17971 // that point remove a previously declared activity component that 17972 // had been set as a preferred activity. We try to clean this up 17973 // the next time we encounter that preferred activity, but it is 17974 // possible for the user flow to never be able to return to that 17975 // situation so here we do a sanity check to make sure we haven't 17976 // left any junk around. 17977 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17978 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17979 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17980 removed.clear(); 17981 for (PreferredActivity pa : pir.filterSet()) { 17982 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17983 removed.add(pa); 17984 } 17985 } 17986 if (removed.size() > 0) { 17987 for (int r=0; r<removed.size(); r++) { 17988 PreferredActivity pa = removed.get(r); 17989 Slog.w(TAG, "Removing dangling preferred activity: " 17990 + pa.mPref.mComponent); 17991 pir.removeFilter(pa); 17992 } 17993 mSettings.writePackageRestrictionsLPr( 17994 mSettings.mPreferredActivities.keyAt(i)); 17995 } 17996 } 17997 17998 for (int userId : UserManagerService.getInstance().getUserIds()) { 17999 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18000 grantPermissionsUserIds = ArrayUtils.appendInt( 18001 grantPermissionsUserIds, userId); 18002 } 18003 } 18004 } 18005 sUserManager.systemReady(); 18006 18007 // If we upgraded grant all default permissions before kicking off. 18008 for (int userId : grantPermissionsUserIds) { 18009 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18010 } 18011 18012 // Kick off any messages waiting for system ready 18013 if (mPostSystemReadyMessages != null) { 18014 for (Message msg : mPostSystemReadyMessages) { 18015 msg.sendToTarget(); 18016 } 18017 mPostSystemReadyMessages = null; 18018 } 18019 18020 // Watch for external volumes that come and go over time 18021 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18022 storage.registerListener(mStorageListener); 18023 18024 mInstallerService.systemReady(); 18025 mPackageDexOptimizer.systemReady(); 18026 18027 MountServiceInternal mountServiceInternal = LocalServices.getService( 18028 MountServiceInternal.class); 18029 mountServiceInternal.addExternalStoragePolicy( 18030 new MountServiceInternal.ExternalStorageMountPolicy() { 18031 @Override 18032 public int getMountMode(int uid, String packageName) { 18033 if (Process.isIsolated(uid)) { 18034 return Zygote.MOUNT_EXTERNAL_NONE; 18035 } 18036 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18037 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18038 } 18039 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18040 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18041 } 18042 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18043 return Zygote.MOUNT_EXTERNAL_READ; 18044 } 18045 return Zygote.MOUNT_EXTERNAL_WRITE; 18046 } 18047 18048 @Override 18049 public boolean hasExternalStorage(int uid, String packageName) { 18050 return true; 18051 } 18052 }); 18053 18054 // Now that we're mostly running, clean up stale users and apps 18055 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18056 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18057 } 18058 18059 @Override 18060 public boolean isSafeMode() { 18061 return mSafeMode; 18062 } 18063 18064 @Override 18065 public boolean hasSystemUidErrors() { 18066 return mHasSystemUidErrors; 18067 } 18068 18069 static String arrayToString(int[] array) { 18070 StringBuffer buf = new StringBuffer(128); 18071 buf.append('['); 18072 if (array != null) { 18073 for (int i=0; i<array.length; i++) { 18074 if (i > 0) buf.append(", "); 18075 buf.append(array[i]); 18076 } 18077 } 18078 buf.append(']'); 18079 return buf.toString(); 18080 } 18081 18082 static class DumpState { 18083 public static final int DUMP_LIBS = 1 << 0; 18084 public static final int DUMP_FEATURES = 1 << 1; 18085 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18086 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18087 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18088 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18089 public static final int DUMP_PERMISSIONS = 1 << 6; 18090 public static final int DUMP_PACKAGES = 1 << 7; 18091 public static final int DUMP_SHARED_USERS = 1 << 8; 18092 public static final int DUMP_MESSAGES = 1 << 9; 18093 public static final int DUMP_PROVIDERS = 1 << 10; 18094 public static final int DUMP_VERIFIERS = 1 << 11; 18095 public static final int DUMP_PREFERRED = 1 << 12; 18096 public static final int DUMP_PREFERRED_XML = 1 << 13; 18097 public static final int DUMP_KEYSETS = 1 << 14; 18098 public static final int DUMP_VERSION = 1 << 15; 18099 public static final int DUMP_INSTALLS = 1 << 16; 18100 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18101 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18102 public static final int DUMP_FROZEN = 1 << 19; 18103 public static final int DUMP_DEXOPT = 1 << 20; 18104 18105 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18106 18107 private int mTypes; 18108 18109 private int mOptions; 18110 18111 private boolean mTitlePrinted; 18112 18113 private SharedUserSetting mSharedUser; 18114 18115 public boolean isDumping(int type) { 18116 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18117 return true; 18118 } 18119 18120 return (mTypes & type) != 0; 18121 } 18122 18123 public void setDump(int type) { 18124 mTypes |= type; 18125 } 18126 18127 public boolean isOptionEnabled(int option) { 18128 return (mOptions & option) != 0; 18129 } 18130 18131 public void setOptionEnabled(int option) { 18132 mOptions |= option; 18133 } 18134 18135 public boolean onTitlePrinted() { 18136 final boolean printed = mTitlePrinted; 18137 mTitlePrinted = true; 18138 return printed; 18139 } 18140 18141 public boolean getTitlePrinted() { 18142 return mTitlePrinted; 18143 } 18144 18145 public void setTitlePrinted(boolean enabled) { 18146 mTitlePrinted = enabled; 18147 } 18148 18149 public SharedUserSetting getSharedUser() { 18150 return mSharedUser; 18151 } 18152 18153 public void setSharedUser(SharedUserSetting user) { 18154 mSharedUser = user; 18155 } 18156 } 18157 18158 @Override 18159 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18160 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18161 (new PackageManagerShellCommand(this)).exec( 18162 this, in, out, err, args, resultReceiver); 18163 } 18164 18165 @Override 18166 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18167 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18168 != PackageManager.PERMISSION_GRANTED) { 18169 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18170 + Binder.getCallingPid() 18171 + ", uid=" + Binder.getCallingUid() 18172 + " without permission " 18173 + android.Manifest.permission.DUMP); 18174 return; 18175 } 18176 18177 DumpState dumpState = new DumpState(); 18178 boolean fullPreferred = false; 18179 boolean checkin = false; 18180 18181 String packageName = null; 18182 ArraySet<String> permissionNames = null; 18183 18184 int opti = 0; 18185 while (opti < args.length) { 18186 String opt = args[opti]; 18187 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18188 break; 18189 } 18190 opti++; 18191 18192 if ("-a".equals(opt)) { 18193 // Right now we only know how to print all. 18194 } else if ("-h".equals(opt)) { 18195 pw.println("Package manager dump options:"); 18196 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18197 pw.println(" --checkin: dump for a checkin"); 18198 pw.println(" -f: print details of intent filters"); 18199 pw.println(" -h: print this help"); 18200 pw.println(" cmd may be one of:"); 18201 pw.println(" l[ibraries]: list known shared libraries"); 18202 pw.println(" f[eatures]: list device features"); 18203 pw.println(" k[eysets]: print known keysets"); 18204 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18205 pw.println(" perm[issions]: dump permissions"); 18206 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18207 pw.println(" pref[erred]: print preferred package settings"); 18208 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18209 pw.println(" prov[iders]: dump content providers"); 18210 pw.println(" p[ackages]: dump installed packages"); 18211 pw.println(" s[hared-users]: dump shared user IDs"); 18212 pw.println(" m[essages]: print collected runtime messages"); 18213 pw.println(" v[erifiers]: print package verifier info"); 18214 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18215 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18216 pw.println(" version: print database version info"); 18217 pw.println(" write: write current settings now"); 18218 pw.println(" installs: details about install sessions"); 18219 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18220 pw.println(" dexopt: dump dexopt state"); 18221 pw.println(" <package.name>: info about given package"); 18222 return; 18223 } else if ("--checkin".equals(opt)) { 18224 checkin = true; 18225 } else if ("-f".equals(opt)) { 18226 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18227 } else { 18228 pw.println("Unknown argument: " + opt + "; use -h for help"); 18229 } 18230 } 18231 18232 // Is the caller requesting to dump a particular piece of data? 18233 if (opti < args.length) { 18234 String cmd = args[opti]; 18235 opti++; 18236 // Is this a package name? 18237 if ("android".equals(cmd) || cmd.contains(".")) { 18238 packageName = cmd; 18239 // When dumping a single package, we always dump all of its 18240 // filter information since the amount of data will be reasonable. 18241 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18242 } else if ("check-permission".equals(cmd)) { 18243 if (opti >= args.length) { 18244 pw.println("Error: check-permission missing permission argument"); 18245 return; 18246 } 18247 String perm = args[opti]; 18248 opti++; 18249 if (opti >= args.length) { 18250 pw.println("Error: check-permission missing package argument"); 18251 return; 18252 } 18253 String pkg = args[opti]; 18254 opti++; 18255 int user = UserHandle.getUserId(Binder.getCallingUid()); 18256 if (opti < args.length) { 18257 try { 18258 user = Integer.parseInt(args[opti]); 18259 } catch (NumberFormatException e) { 18260 pw.println("Error: check-permission user argument is not a number: " 18261 + args[opti]); 18262 return; 18263 } 18264 } 18265 pw.println(checkPermission(perm, pkg, user)); 18266 return; 18267 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18268 dumpState.setDump(DumpState.DUMP_LIBS); 18269 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18270 dumpState.setDump(DumpState.DUMP_FEATURES); 18271 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18272 if (opti >= args.length) { 18273 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18274 | DumpState.DUMP_SERVICE_RESOLVERS 18275 | DumpState.DUMP_RECEIVER_RESOLVERS 18276 | DumpState.DUMP_CONTENT_RESOLVERS); 18277 } else { 18278 while (opti < args.length) { 18279 String name = args[opti]; 18280 if ("a".equals(name) || "activity".equals(name)) { 18281 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18282 } else if ("s".equals(name) || "service".equals(name)) { 18283 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18284 } else if ("r".equals(name) || "receiver".equals(name)) { 18285 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18286 } else if ("c".equals(name) || "content".equals(name)) { 18287 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18288 } else { 18289 pw.println("Error: unknown resolver table type: " + name); 18290 return; 18291 } 18292 opti++; 18293 } 18294 } 18295 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18296 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18297 } else if ("permission".equals(cmd)) { 18298 if (opti >= args.length) { 18299 pw.println("Error: permission requires permission name"); 18300 return; 18301 } 18302 permissionNames = new ArraySet<>(); 18303 while (opti < args.length) { 18304 permissionNames.add(args[opti]); 18305 opti++; 18306 } 18307 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18308 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18309 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18310 dumpState.setDump(DumpState.DUMP_PREFERRED); 18311 } else if ("preferred-xml".equals(cmd)) { 18312 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18313 if (opti < args.length && "--full".equals(args[opti])) { 18314 fullPreferred = true; 18315 opti++; 18316 } 18317 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18318 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18319 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18320 dumpState.setDump(DumpState.DUMP_PACKAGES); 18321 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18322 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18323 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18324 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18325 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18326 dumpState.setDump(DumpState.DUMP_MESSAGES); 18327 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18328 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18329 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18330 || "intent-filter-verifiers".equals(cmd)) { 18331 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18332 } else if ("version".equals(cmd)) { 18333 dumpState.setDump(DumpState.DUMP_VERSION); 18334 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18335 dumpState.setDump(DumpState.DUMP_KEYSETS); 18336 } else if ("installs".equals(cmd)) { 18337 dumpState.setDump(DumpState.DUMP_INSTALLS); 18338 } else if ("frozen".equals(cmd)) { 18339 dumpState.setDump(DumpState.DUMP_FROZEN); 18340 } else if ("dexopt".equals(cmd)) { 18341 dumpState.setDump(DumpState.DUMP_DEXOPT); 18342 } else if ("write".equals(cmd)) { 18343 synchronized (mPackages) { 18344 mSettings.writeLPr(); 18345 pw.println("Settings written."); 18346 return; 18347 } 18348 } 18349 } 18350 18351 if (checkin) { 18352 pw.println("vers,1"); 18353 } 18354 18355 // reader 18356 synchronized (mPackages) { 18357 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18358 if (!checkin) { 18359 if (dumpState.onTitlePrinted()) 18360 pw.println(); 18361 pw.println("Database versions:"); 18362 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18363 } 18364 } 18365 18366 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18367 if (!checkin) { 18368 if (dumpState.onTitlePrinted()) 18369 pw.println(); 18370 pw.println("Verifiers:"); 18371 pw.print(" Required: "); 18372 pw.print(mRequiredVerifierPackage); 18373 pw.print(" (uid="); 18374 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18375 UserHandle.USER_SYSTEM)); 18376 pw.println(")"); 18377 } else if (mRequiredVerifierPackage != null) { 18378 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18379 pw.print(","); 18380 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18381 UserHandle.USER_SYSTEM)); 18382 } 18383 } 18384 18385 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18386 packageName == null) { 18387 if (mIntentFilterVerifierComponent != null) { 18388 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18389 if (!checkin) { 18390 if (dumpState.onTitlePrinted()) 18391 pw.println(); 18392 pw.println("Intent Filter Verifier:"); 18393 pw.print(" Using: "); 18394 pw.print(verifierPackageName); 18395 pw.print(" (uid="); 18396 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18397 UserHandle.USER_SYSTEM)); 18398 pw.println(")"); 18399 } else if (verifierPackageName != null) { 18400 pw.print("ifv,"); pw.print(verifierPackageName); 18401 pw.print(","); 18402 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18403 UserHandle.USER_SYSTEM)); 18404 } 18405 } else { 18406 pw.println(); 18407 pw.println("No Intent Filter Verifier available!"); 18408 } 18409 } 18410 18411 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18412 boolean printedHeader = false; 18413 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18414 while (it.hasNext()) { 18415 String name = it.next(); 18416 SharedLibraryEntry ent = mSharedLibraries.get(name); 18417 if (!checkin) { 18418 if (!printedHeader) { 18419 if (dumpState.onTitlePrinted()) 18420 pw.println(); 18421 pw.println("Libraries:"); 18422 printedHeader = true; 18423 } 18424 pw.print(" "); 18425 } else { 18426 pw.print("lib,"); 18427 } 18428 pw.print(name); 18429 if (!checkin) { 18430 pw.print(" -> "); 18431 } 18432 if (ent.path != null) { 18433 if (!checkin) { 18434 pw.print("(jar) "); 18435 pw.print(ent.path); 18436 } else { 18437 pw.print(",jar,"); 18438 pw.print(ent.path); 18439 } 18440 } else { 18441 if (!checkin) { 18442 pw.print("(apk) "); 18443 pw.print(ent.apk); 18444 } else { 18445 pw.print(",apk,"); 18446 pw.print(ent.apk); 18447 } 18448 } 18449 pw.println(); 18450 } 18451 } 18452 18453 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18454 if (dumpState.onTitlePrinted()) 18455 pw.println(); 18456 if (!checkin) { 18457 pw.println("Features:"); 18458 } 18459 18460 for (FeatureInfo feat : mAvailableFeatures.values()) { 18461 if (checkin) { 18462 pw.print("feat,"); 18463 pw.print(feat.name); 18464 pw.print(","); 18465 pw.println(feat.version); 18466 } else { 18467 pw.print(" "); 18468 pw.print(feat.name); 18469 if (feat.version > 0) { 18470 pw.print(" version="); 18471 pw.print(feat.version); 18472 } 18473 pw.println(); 18474 } 18475 } 18476 } 18477 18478 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18479 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18480 : "Activity Resolver Table:", " ", packageName, 18481 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18482 dumpState.setTitlePrinted(true); 18483 } 18484 } 18485 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18486 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18487 : "Receiver Resolver Table:", " ", packageName, 18488 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18489 dumpState.setTitlePrinted(true); 18490 } 18491 } 18492 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18493 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18494 : "Service Resolver Table:", " ", packageName, 18495 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18496 dumpState.setTitlePrinted(true); 18497 } 18498 } 18499 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18500 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18501 : "Provider Resolver Table:", " ", packageName, 18502 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18503 dumpState.setTitlePrinted(true); 18504 } 18505 } 18506 18507 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18508 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18509 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18510 int user = mSettings.mPreferredActivities.keyAt(i); 18511 if (pir.dump(pw, 18512 dumpState.getTitlePrinted() 18513 ? "\nPreferred Activities User " + user + ":" 18514 : "Preferred Activities User " + user + ":", " ", 18515 packageName, true, false)) { 18516 dumpState.setTitlePrinted(true); 18517 } 18518 } 18519 } 18520 18521 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18522 pw.flush(); 18523 FileOutputStream fout = new FileOutputStream(fd); 18524 BufferedOutputStream str = new BufferedOutputStream(fout); 18525 XmlSerializer serializer = new FastXmlSerializer(); 18526 try { 18527 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18528 serializer.startDocument(null, true); 18529 serializer.setFeature( 18530 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18531 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18532 serializer.endDocument(); 18533 serializer.flush(); 18534 } catch (IllegalArgumentException e) { 18535 pw.println("Failed writing: " + e); 18536 } catch (IllegalStateException e) { 18537 pw.println("Failed writing: " + e); 18538 } catch (IOException e) { 18539 pw.println("Failed writing: " + e); 18540 } 18541 } 18542 18543 if (!checkin 18544 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18545 && packageName == null) { 18546 pw.println(); 18547 int count = mSettings.mPackages.size(); 18548 if (count == 0) { 18549 pw.println("No applications!"); 18550 pw.println(); 18551 } else { 18552 final String prefix = " "; 18553 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18554 if (allPackageSettings.size() == 0) { 18555 pw.println("No domain preferred apps!"); 18556 pw.println(); 18557 } else { 18558 pw.println("App verification status:"); 18559 pw.println(); 18560 count = 0; 18561 for (PackageSetting ps : allPackageSettings) { 18562 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18563 if (ivi == null || ivi.getPackageName() == null) continue; 18564 pw.println(prefix + "Package: " + ivi.getPackageName()); 18565 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18566 pw.println(prefix + "Status: " + ivi.getStatusString()); 18567 pw.println(); 18568 count++; 18569 } 18570 if (count == 0) { 18571 pw.println(prefix + "No app verification established."); 18572 pw.println(); 18573 } 18574 for (int userId : sUserManager.getUserIds()) { 18575 pw.println("App linkages for user " + userId + ":"); 18576 pw.println(); 18577 count = 0; 18578 for (PackageSetting ps : allPackageSettings) { 18579 final long status = ps.getDomainVerificationStatusForUser(userId); 18580 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18581 continue; 18582 } 18583 pw.println(prefix + "Package: " + ps.name); 18584 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18585 String statusStr = IntentFilterVerificationInfo. 18586 getStatusStringFromValue(status); 18587 pw.println(prefix + "Status: " + statusStr); 18588 pw.println(); 18589 count++; 18590 } 18591 if (count == 0) { 18592 pw.println(prefix + "No configured app linkages."); 18593 pw.println(); 18594 } 18595 } 18596 } 18597 } 18598 } 18599 18600 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18601 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18602 if (packageName == null && permissionNames == null) { 18603 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18604 if (iperm == 0) { 18605 if (dumpState.onTitlePrinted()) 18606 pw.println(); 18607 pw.println("AppOp Permissions:"); 18608 } 18609 pw.print(" AppOp Permission "); 18610 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18611 pw.println(":"); 18612 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18613 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18614 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18615 } 18616 } 18617 } 18618 } 18619 18620 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18621 boolean printedSomething = false; 18622 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18623 if (packageName != null && !packageName.equals(p.info.packageName)) { 18624 continue; 18625 } 18626 if (!printedSomething) { 18627 if (dumpState.onTitlePrinted()) 18628 pw.println(); 18629 pw.println("Registered ContentProviders:"); 18630 printedSomething = true; 18631 } 18632 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18633 pw.print(" "); pw.println(p.toString()); 18634 } 18635 printedSomething = false; 18636 for (Map.Entry<String, PackageParser.Provider> entry : 18637 mProvidersByAuthority.entrySet()) { 18638 PackageParser.Provider p = entry.getValue(); 18639 if (packageName != null && !packageName.equals(p.info.packageName)) { 18640 continue; 18641 } 18642 if (!printedSomething) { 18643 if (dumpState.onTitlePrinted()) 18644 pw.println(); 18645 pw.println("ContentProvider Authorities:"); 18646 printedSomething = true; 18647 } 18648 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18649 pw.print(" "); pw.println(p.toString()); 18650 if (p.info != null && p.info.applicationInfo != null) { 18651 final String appInfo = p.info.applicationInfo.toString(); 18652 pw.print(" applicationInfo="); pw.println(appInfo); 18653 } 18654 } 18655 } 18656 18657 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18658 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18659 } 18660 18661 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18662 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18663 } 18664 18665 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18666 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18667 } 18668 18669 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18670 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18671 } 18672 18673 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18674 // XXX should handle packageName != null by dumping only install data that 18675 // the given package is involved with. 18676 if (dumpState.onTitlePrinted()) pw.println(); 18677 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18678 } 18679 18680 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18681 // XXX should handle packageName != null by dumping only install data that 18682 // the given package is involved with. 18683 if (dumpState.onTitlePrinted()) pw.println(); 18684 18685 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18686 ipw.println(); 18687 ipw.println("Frozen packages:"); 18688 ipw.increaseIndent(); 18689 if (mFrozenPackages.size() == 0) { 18690 ipw.println("(none)"); 18691 } else { 18692 for (int i = 0; i < mFrozenPackages.size(); i++) { 18693 ipw.println(mFrozenPackages.valueAt(i)); 18694 } 18695 } 18696 ipw.decreaseIndent(); 18697 } 18698 18699 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18700 if (dumpState.onTitlePrinted()) pw.println(); 18701 dumpDexoptStateLPr(pw, packageName); 18702 } 18703 18704 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18705 if (dumpState.onTitlePrinted()) pw.println(); 18706 mSettings.dumpReadMessagesLPr(pw, dumpState); 18707 18708 pw.println(); 18709 pw.println("Package warning messages:"); 18710 BufferedReader in = null; 18711 String line = null; 18712 try { 18713 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18714 while ((line = in.readLine()) != null) { 18715 if (line.contains("ignored: updated version")) continue; 18716 pw.println(line); 18717 } 18718 } catch (IOException ignored) { 18719 } finally { 18720 IoUtils.closeQuietly(in); 18721 } 18722 } 18723 18724 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18725 BufferedReader in = null; 18726 String line = null; 18727 try { 18728 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18729 while ((line = in.readLine()) != null) { 18730 if (line.contains("ignored: updated version")) continue; 18731 pw.print("msg,"); 18732 pw.println(line); 18733 } 18734 } catch (IOException ignored) { 18735 } finally { 18736 IoUtils.closeQuietly(in); 18737 } 18738 } 18739 } 18740 } 18741 18742 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18743 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18744 ipw.println(); 18745 ipw.println("Dexopt state:"); 18746 ipw.increaseIndent(); 18747 Collection<PackageParser.Package> packages = null; 18748 if (packageName != null) { 18749 PackageParser.Package targetPackage = mPackages.get(packageName); 18750 if (targetPackage != null) { 18751 packages = Collections.singletonList(targetPackage); 18752 } else { 18753 ipw.println("Unable to find package: " + packageName); 18754 return; 18755 } 18756 } else { 18757 packages = mPackages.values(); 18758 } 18759 18760 for (PackageParser.Package pkg : packages) { 18761 ipw.println("[" + pkg.packageName + "]"); 18762 ipw.increaseIndent(); 18763 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18764 ipw.decreaseIndent(); 18765 } 18766 } 18767 18768 private String dumpDomainString(String packageName) { 18769 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18770 .getList(); 18771 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18772 18773 ArraySet<String> result = new ArraySet<>(); 18774 if (iviList.size() > 0) { 18775 for (IntentFilterVerificationInfo ivi : iviList) { 18776 for (String host : ivi.getDomains()) { 18777 result.add(host); 18778 } 18779 } 18780 } 18781 if (filters != null && filters.size() > 0) { 18782 for (IntentFilter filter : filters) { 18783 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18784 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18785 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18786 result.addAll(filter.getHostsList()); 18787 } 18788 } 18789 } 18790 18791 StringBuilder sb = new StringBuilder(result.size() * 16); 18792 for (String domain : result) { 18793 if (sb.length() > 0) sb.append(" "); 18794 sb.append(domain); 18795 } 18796 return sb.toString(); 18797 } 18798 18799 // ------- apps on sdcard specific code ------- 18800 static final boolean DEBUG_SD_INSTALL = false; 18801 18802 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18803 18804 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18805 18806 private boolean mMediaMounted = false; 18807 18808 static String getEncryptKey() { 18809 try { 18810 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18811 SD_ENCRYPTION_KEYSTORE_NAME); 18812 if (sdEncKey == null) { 18813 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18814 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18815 if (sdEncKey == null) { 18816 Slog.e(TAG, "Failed to create encryption keys"); 18817 return null; 18818 } 18819 } 18820 return sdEncKey; 18821 } catch (NoSuchAlgorithmException nsae) { 18822 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18823 return null; 18824 } catch (IOException ioe) { 18825 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18826 return null; 18827 } 18828 } 18829 18830 /* 18831 * Update media status on PackageManager. 18832 */ 18833 @Override 18834 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18835 int callingUid = Binder.getCallingUid(); 18836 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18837 throw new SecurityException("Media status can only be updated by the system"); 18838 } 18839 // reader; this apparently protects mMediaMounted, but should probably 18840 // be a different lock in that case. 18841 synchronized (mPackages) { 18842 Log.i(TAG, "Updating external media status from " 18843 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18844 + (mediaStatus ? "mounted" : "unmounted")); 18845 if (DEBUG_SD_INSTALL) 18846 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18847 + ", mMediaMounted=" + mMediaMounted); 18848 if (mediaStatus == mMediaMounted) { 18849 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18850 : 0, -1); 18851 mHandler.sendMessage(msg); 18852 return; 18853 } 18854 mMediaMounted = mediaStatus; 18855 } 18856 // Queue up an async operation since the package installation may take a 18857 // little while. 18858 mHandler.post(new Runnable() { 18859 public void run() { 18860 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18861 } 18862 }); 18863 } 18864 18865 /** 18866 * Called by MountService when the initial ASECs to scan are available. 18867 * Should block until all the ASEC containers are finished being scanned. 18868 */ 18869 public void scanAvailableAsecs() { 18870 updateExternalMediaStatusInner(true, false, false); 18871 } 18872 18873 /* 18874 * Collect information of applications on external media, map them against 18875 * existing containers and update information based on current mount status. 18876 * Please note that we always have to report status if reportStatus has been 18877 * set to true especially when unloading packages. 18878 */ 18879 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18880 boolean externalStorage) { 18881 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18882 int[] uidArr = EmptyArray.INT; 18883 18884 final String[] list = PackageHelper.getSecureContainerList(); 18885 if (ArrayUtils.isEmpty(list)) { 18886 Log.i(TAG, "No secure containers found"); 18887 } else { 18888 // Process list of secure containers and categorize them 18889 // as active or stale based on their package internal state. 18890 18891 // reader 18892 synchronized (mPackages) { 18893 for (String cid : list) { 18894 // Leave stages untouched for now; installer service owns them 18895 if (PackageInstallerService.isStageName(cid)) continue; 18896 18897 if (DEBUG_SD_INSTALL) 18898 Log.i(TAG, "Processing container " + cid); 18899 String pkgName = getAsecPackageName(cid); 18900 if (pkgName == null) { 18901 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18902 continue; 18903 } 18904 if (DEBUG_SD_INSTALL) 18905 Log.i(TAG, "Looking for pkg : " + pkgName); 18906 18907 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18908 if (ps == null) { 18909 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18910 continue; 18911 } 18912 18913 /* 18914 * Skip packages that are not external if we're unmounting 18915 * external storage. 18916 */ 18917 if (externalStorage && !isMounted && !isExternal(ps)) { 18918 continue; 18919 } 18920 18921 final AsecInstallArgs args = new AsecInstallArgs(cid, 18922 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18923 // The package status is changed only if the code path 18924 // matches between settings and the container id. 18925 if (ps.codePathString != null 18926 && ps.codePathString.startsWith(args.getCodePath())) { 18927 if (DEBUG_SD_INSTALL) { 18928 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18929 + " at code path: " + ps.codePathString); 18930 } 18931 18932 // We do have a valid package installed on sdcard 18933 processCids.put(args, ps.codePathString); 18934 final int uid = ps.appId; 18935 if (uid != -1) { 18936 uidArr = ArrayUtils.appendInt(uidArr, uid); 18937 } 18938 } else { 18939 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18940 + ps.codePathString); 18941 } 18942 } 18943 } 18944 18945 Arrays.sort(uidArr); 18946 } 18947 18948 // Process packages with valid entries. 18949 if (isMounted) { 18950 if (DEBUG_SD_INSTALL) 18951 Log.i(TAG, "Loading packages"); 18952 loadMediaPackages(processCids, uidArr, externalStorage); 18953 startCleaningPackages(); 18954 mInstallerService.onSecureContainersAvailable(); 18955 } else { 18956 if (DEBUG_SD_INSTALL) 18957 Log.i(TAG, "Unloading packages"); 18958 unloadMediaPackages(processCids, uidArr, reportStatus); 18959 } 18960 } 18961 18962 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18963 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18964 final int size = infos.size(); 18965 final String[] packageNames = new String[size]; 18966 final int[] packageUids = new int[size]; 18967 for (int i = 0; i < size; i++) { 18968 final ApplicationInfo info = infos.get(i); 18969 packageNames[i] = info.packageName; 18970 packageUids[i] = info.uid; 18971 } 18972 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18973 finishedReceiver); 18974 } 18975 18976 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18977 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18978 sendResourcesChangedBroadcast(mediaStatus, replacing, 18979 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18980 } 18981 18982 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18983 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18984 int size = pkgList.length; 18985 if (size > 0) { 18986 // Send broadcasts here 18987 Bundle extras = new Bundle(); 18988 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18989 if (uidArr != null) { 18990 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18991 } 18992 if (replacing) { 18993 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18994 } 18995 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18996 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18997 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18998 } 18999 } 19000 19001 /* 19002 * Look at potentially valid container ids from processCids If package 19003 * information doesn't match the one on record or package scanning fails, 19004 * the cid is added to list of removeCids. We currently don't delete stale 19005 * containers. 19006 */ 19007 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19008 boolean externalStorage) { 19009 ArrayList<String> pkgList = new ArrayList<String>(); 19010 Set<AsecInstallArgs> keys = processCids.keySet(); 19011 19012 for (AsecInstallArgs args : keys) { 19013 String codePath = processCids.get(args); 19014 if (DEBUG_SD_INSTALL) 19015 Log.i(TAG, "Loading container : " + args.cid); 19016 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19017 try { 19018 // Make sure there are no container errors first. 19019 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19020 Slog.e(TAG, "Failed to mount cid : " + args.cid 19021 + " when installing from sdcard"); 19022 continue; 19023 } 19024 // Check code path here. 19025 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19026 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19027 + " does not match one in settings " + codePath); 19028 continue; 19029 } 19030 // Parse package 19031 int parseFlags = mDefParseFlags; 19032 if (args.isExternalAsec()) { 19033 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19034 } 19035 if (args.isFwdLocked()) { 19036 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19037 } 19038 19039 synchronized (mInstallLock) { 19040 PackageParser.Package pkg = null; 19041 try { 19042 // Sadly we don't know the package name yet to freeze it 19043 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19044 SCAN_IGNORE_FROZEN, 0, null); 19045 } catch (PackageManagerException e) { 19046 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19047 } 19048 // Scan the package 19049 if (pkg != null) { 19050 /* 19051 * TODO why is the lock being held? doPostInstall is 19052 * called in other places without the lock. This needs 19053 * to be straightened out. 19054 */ 19055 // writer 19056 synchronized (mPackages) { 19057 retCode = PackageManager.INSTALL_SUCCEEDED; 19058 pkgList.add(pkg.packageName); 19059 // Post process args 19060 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19061 pkg.applicationInfo.uid); 19062 } 19063 } else { 19064 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19065 } 19066 } 19067 19068 } finally { 19069 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19070 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19071 } 19072 } 19073 } 19074 // writer 19075 synchronized (mPackages) { 19076 // If the platform SDK has changed since the last time we booted, 19077 // we need to re-grant app permission to catch any new ones that 19078 // appear. This is really a hack, and means that apps can in some 19079 // cases get permissions that the user didn't initially explicitly 19080 // allow... it would be nice to have some better way to handle 19081 // this situation. 19082 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19083 : mSettings.getInternalVersion(); 19084 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19085 : StorageManager.UUID_PRIVATE_INTERNAL; 19086 19087 int updateFlags = UPDATE_PERMISSIONS_ALL; 19088 if (ver.sdkVersion != mSdkVersion) { 19089 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19090 + mSdkVersion + "; regranting permissions for external"); 19091 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19092 } 19093 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19094 19095 // Yay, everything is now upgraded 19096 ver.forceCurrent(); 19097 19098 // can downgrade to reader 19099 // Persist settings 19100 mSettings.writeLPr(); 19101 } 19102 // Send a broadcast to let everyone know we are done processing 19103 if (pkgList.size() > 0) { 19104 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19105 } 19106 } 19107 19108 /* 19109 * Utility method to unload a list of specified containers 19110 */ 19111 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19112 // Just unmount all valid containers. 19113 for (AsecInstallArgs arg : cidArgs) { 19114 synchronized (mInstallLock) { 19115 arg.doPostDeleteLI(false); 19116 } 19117 } 19118 } 19119 19120 /* 19121 * Unload packages mounted on external media. This involves deleting package 19122 * data from internal structures, sending broadcasts about disabled packages, 19123 * gc'ing to free up references, unmounting all secure containers 19124 * corresponding to packages on external media, and posting a 19125 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19126 * that we always have to post this message if status has been requested no 19127 * matter what. 19128 */ 19129 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19130 final boolean reportStatus) { 19131 if (DEBUG_SD_INSTALL) 19132 Log.i(TAG, "unloading media packages"); 19133 ArrayList<String> pkgList = new ArrayList<String>(); 19134 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19135 final Set<AsecInstallArgs> keys = processCids.keySet(); 19136 for (AsecInstallArgs args : keys) { 19137 String pkgName = args.getPackageName(); 19138 if (DEBUG_SD_INSTALL) 19139 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19140 // Delete package internally 19141 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19142 synchronized (mInstallLock) { 19143 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19144 final boolean res; 19145 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19146 "unloadMediaPackages")) { 19147 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19148 null); 19149 } 19150 if (res) { 19151 pkgList.add(pkgName); 19152 } else { 19153 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19154 failedList.add(args); 19155 } 19156 } 19157 } 19158 19159 // reader 19160 synchronized (mPackages) { 19161 // We didn't update the settings after removing each package; 19162 // write them now for all packages. 19163 mSettings.writeLPr(); 19164 } 19165 19166 // We have to absolutely send UPDATED_MEDIA_STATUS only 19167 // after confirming that all the receivers processed the ordered 19168 // broadcast when packages get disabled, force a gc to clean things up. 19169 // and unload all the containers. 19170 if (pkgList.size() > 0) { 19171 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19172 new IIntentReceiver.Stub() { 19173 public void performReceive(Intent intent, int resultCode, String data, 19174 Bundle extras, boolean ordered, boolean sticky, 19175 int sendingUser) throws RemoteException { 19176 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19177 reportStatus ? 1 : 0, 1, keys); 19178 mHandler.sendMessage(msg); 19179 } 19180 }); 19181 } else { 19182 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19183 keys); 19184 mHandler.sendMessage(msg); 19185 } 19186 } 19187 19188 private void loadPrivatePackages(final VolumeInfo vol) { 19189 mHandler.post(new Runnable() { 19190 @Override 19191 public void run() { 19192 loadPrivatePackagesInner(vol); 19193 } 19194 }); 19195 } 19196 19197 private void loadPrivatePackagesInner(VolumeInfo vol) { 19198 final String volumeUuid = vol.fsUuid; 19199 if (TextUtils.isEmpty(volumeUuid)) { 19200 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19201 return; 19202 } 19203 19204 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19205 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19206 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19207 19208 final VersionInfo ver; 19209 final List<PackageSetting> packages; 19210 synchronized (mPackages) { 19211 ver = mSettings.findOrCreateVersion(volumeUuid); 19212 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19213 } 19214 19215 for (PackageSetting ps : packages) { 19216 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19217 synchronized (mInstallLock) { 19218 final PackageParser.Package pkg; 19219 try { 19220 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19221 loaded.add(pkg.applicationInfo); 19222 19223 } catch (PackageManagerException e) { 19224 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19225 } 19226 19227 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19228 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19229 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19230 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19231 } 19232 } 19233 } 19234 19235 // Reconcile app data for all started/unlocked users 19236 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19237 final UserManager um = mContext.getSystemService(UserManager.class); 19238 UserManagerInternal umInternal = getUserManagerInternal(); 19239 for (UserInfo user : um.getUsers()) { 19240 final int flags; 19241 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19242 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19243 } else if (umInternal.isUserRunning(user.id)) { 19244 flags = StorageManager.FLAG_STORAGE_DE; 19245 } else { 19246 continue; 19247 } 19248 19249 try { 19250 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19251 synchronized (mInstallLock) { 19252 reconcileAppsDataLI(volumeUuid, user.id, flags); 19253 } 19254 } catch (IllegalStateException e) { 19255 // Device was probably ejected, and we'll process that event momentarily 19256 Slog.w(TAG, "Failed to prepare storage: " + e); 19257 } 19258 } 19259 19260 synchronized (mPackages) { 19261 int updateFlags = UPDATE_PERMISSIONS_ALL; 19262 if (ver.sdkVersion != mSdkVersion) { 19263 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19264 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19265 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19266 } 19267 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19268 19269 // Yay, everything is now upgraded 19270 ver.forceCurrent(); 19271 19272 mSettings.writeLPr(); 19273 } 19274 19275 for (PackageFreezer freezer : freezers) { 19276 freezer.close(); 19277 } 19278 19279 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19280 sendResourcesChangedBroadcast(true, false, loaded, null); 19281 } 19282 19283 private void unloadPrivatePackages(final VolumeInfo vol) { 19284 mHandler.post(new Runnable() { 19285 @Override 19286 public void run() { 19287 unloadPrivatePackagesInner(vol); 19288 } 19289 }); 19290 } 19291 19292 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19293 final String volumeUuid = vol.fsUuid; 19294 if (TextUtils.isEmpty(volumeUuid)) { 19295 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19296 return; 19297 } 19298 19299 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19300 synchronized (mInstallLock) { 19301 synchronized (mPackages) { 19302 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19303 for (PackageSetting ps : packages) { 19304 if (ps.pkg == null) continue; 19305 19306 final ApplicationInfo info = ps.pkg.applicationInfo; 19307 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19308 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19309 19310 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19311 "unloadPrivatePackagesInner")) { 19312 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19313 false, null)) { 19314 unloaded.add(info); 19315 } else { 19316 Slog.w(TAG, "Failed to unload " + ps.codePath); 19317 } 19318 } 19319 19320 // Try very hard to release any references to this package 19321 // so we don't risk the system server being killed due to 19322 // open FDs 19323 AttributeCache.instance().removePackage(ps.name); 19324 } 19325 19326 mSettings.writeLPr(); 19327 } 19328 } 19329 19330 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19331 sendResourcesChangedBroadcast(false, false, unloaded, null); 19332 19333 // Try very hard to release any references to this path so we don't risk 19334 // the system server being killed due to open FDs 19335 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19336 19337 for (int i = 0; i < 3; i++) { 19338 System.gc(); 19339 System.runFinalization(); 19340 } 19341 } 19342 19343 /** 19344 * Prepare storage areas for given user on all mounted devices. 19345 */ 19346 void prepareUserData(int userId, int userSerial, int flags) { 19347 synchronized (mInstallLock) { 19348 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19349 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19350 final String volumeUuid = vol.getFsUuid(); 19351 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19352 } 19353 } 19354 } 19355 19356 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19357 boolean allowRecover) { 19358 // Prepare storage and verify that serial numbers are consistent; if 19359 // there's a mismatch we need to destroy to avoid leaking data 19360 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19361 try { 19362 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19363 19364 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19365 UserManagerService.enforceSerialNumber( 19366 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19367 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19368 UserManagerService.enforceSerialNumber( 19369 Environment.getDataSystemDeDirectory(userId), userSerial); 19370 } 19371 } 19372 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19373 UserManagerService.enforceSerialNumber( 19374 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19375 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19376 UserManagerService.enforceSerialNumber( 19377 Environment.getDataSystemCeDirectory(userId), userSerial); 19378 } 19379 } 19380 19381 synchronized (mInstallLock) { 19382 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19383 } 19384 } catch (Exception e) { 19385 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19386 + " because we failed to prepare: " + e); 19387 destroyUserDataLI(volumeUuid, userId, 19388 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19389 19390 if (allowRecover) { 19391 // Try one last time; if we fail again we're really in trouble 19392 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19393 } 19394 } 19395 } 19396 19397 /** 19398 * Destroy storage areas for given user on all mounted devices. 19399 */ 19400 void destroyUserData(int userId, int flags) { 19401 synchronized (mInstallLock) { 19402 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19403 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19404 final String volumeUuid = vol.getFsUuid(); 19405 destroyUserDataLI(volumeUuid, userId, flags); 19406 } 19407 } 19408 } 19409 19410 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19411 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19412 try { 19413 // Clean up app data, profile data, and media data 19414 mInstaller.destroyUserData(volumeUuid, userId, flags); 19415 19416 // Clean up system data 19417 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19418 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19419 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19420 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19421 } 19422 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19423 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19424 } 19425 } 19426 19427 // Data with special labels is now gone, so finish the job 19428 storage.destroyUserStorage(volumeUuid, userId, flags); 19429 19430 } catch (Exception e) { 19431 logCriticalInfo(Log.WARN, 19432 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19433 } 19434 } 19435 19436 /** 19437 * Examine all users present on given mounted volume, and destroy data 19438 * belonging to users that are no longer valid, or whose user ID has been 19439 * recycled. 19440 */ 19441 private void reconcileUsers(String volumeUuid) { 19442 final List<File> files = new ArrayList<>(); 19443 Collections.addAll(files, FileUtils 19444 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19445 Collections.addAll(files, FileUtils 19446 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19447 Collections.addAll(files, FileUtils 19448 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19449 Collections.addAll(files, FileUtils 19450 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19451 for (File file : files) { 19452 if (!file.isDirectory()) continue; 19453 19454 final int userId; 19455 final UserInfo info; 19456 try { 19457 userId = Integer.parseInt(file.getName()); 19458 info = sUserManager.getUserInfo(userId); 19459 } catch (NumberFormatException e) { 19460 Slog.w(TAG, "Invalid user directory " + file); 19461 continue; 19462 } 19463 19464 boolean destroyUser = false; 19465 if (info == null) { 19466 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19467 + " because no matching user was found"); 19468 destroyUser = true; 19469 } else if (!mOnlyCore) { 19470 try { 19471 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19472 } catch (IOException e) { 19473 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19474 + " because we failed to enforce serial number: " + e); 19475 destroyUser = true; 19476 } 19477 } 19478 19479 if (destroyUser) { 19480 synchronized (mInstallLock) { 19481 destroyUserDataLI(volumeUuid, userId, 19482 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19483 } 19484 } 19485 } 19486 } 19487 19488 private void assertPackageKnown(String volumeUuid, String packageName) 19489 throws PackageManagerException { 19490 synchronized (mPackages) { 19491 final PackageSetting ps = mSettings.mPackages.get(packageName); 19492 if (ps == null) { 19493 throw new PackageManagerException("Package " + packageName + " is unknown"); 19494 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19495 throw new PackageManagerException( 19496 "Package " + packageName + " found on unknown volume " + volumeUuid 19497 + "; expected volume " + ps.volumeUuid); 19498 } 19499 } 19500 } 19501 19502 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19503 throws PackageManagerException { 19504 synchronized (mPackages) { 19505 final PackageSetting ps = mSettings.mPackages.get(packageName); 19506 if (ps == null) { 19507 throw new PackageManagerException("Package " + packageName + " is unknown"); 19508 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19509 throw new PackageManagerException( 19510 "Package " + packageName + " found on unknown volume " + volumeUuid 19511 + "; expected volume " + ps.volumeUuid); 19512 } else if (!ps.getInstalled(userId)) { 19513 throw new PackageManagerException( 19514 "Package " + packageName + " not installed for user " + userId); 19515 } 19516 } 19517 } 19518 19519 /** 19520 * Examine all apps present on given mounted volume, and destroy apps that 19521 * aren't expected, either due to uninstallation or reinstallation on 19522 * another volume. 19523 */ 19524 private void reconcileApps(String volumeUuid) { 19525 final File[] files = FileUtils 19526 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19527 for (File file : files) { 19528 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19529 && !PackageInstallerService.isStageName(file.getName()); 19530 if (!isPackage) { 19531 // Ignore entries which are not packages 19532 continue; 19533 } 19534 19535 try { 19536 final PackageLite pkg = PackageParser.parsePackageLite(file, 19537 PackageParser.PARSE_MUST_BE_APK); 19538 assertPackageKnown(volumeUuid, pkg.packageName); 19539 19540 } catch (PackageParserException | PackageManagerException e) { 19541 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19542 synchronized (mInstallLock) { 19543 removeCodePathLI(file); 19544 } 19545 } 19546 } 19547 } 19548 19549 /** 19550 * Reconcile all app data for the given user. 19551 * <p> 19552 * Verifies that directories exist and that ownership and labeling is 19553 * correct for all installed apps on all mounted volumes. 19554 */ 19555 void reconcileAppsData(int userId, int flags) { 19556 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19557 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19558 final String volumeUuid = vol.getFsUuid(); 19559 synchronized (mInstallLock) { 19560 reconcileAppsDataLI(volumeUuid, userId, flags); 19561 } 19562 } 19563 } 19564 19565 /** 19566 * Reconcile all app data on given mounted volume. 19567 * <p> 19568 * Destroys app data that isn't expected, either due to uninstallation or 19569 * reinstallation on another volume. 19570 * <p> 19571 * Verifies that directories exist and that ownership and labeling is 19572 * correct for all installed apps. 19573 */ 19574 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19575 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19576 + Integer.toHexString(flags)); 19577 19578 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19579 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19580 19581 boolean restoreconNeeded = false; 19582 19583 // First look for stale data that doesn't belong, and check if things 19584 // have changed since we did our last restorecon 19585 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19586 if (StorageManager.isFileEncryptedNativeOrEmulated() 19587 && !StorageManager.isUserKeyUnlocked(userId)) { 19588 throw new RuntimeException( 19589 "Yikes, someone asked us to reconcile CE storage while " + userId 19590 + " was still locked; this would have caused massive data loss!"); 19591 } 19592 19593 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19594 19595 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19596 for (File file : files) { 19597 final String packageName = file.getName(); 19598 try { 19599 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19600 } catch (PackageManagerException e) { 19601 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19602 try { 19603 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19604 StorageManager.FLAG_STORAGE_CE, 0); 19605 } catch (InstallerException e2) { 19606 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19607 } 19608 } 19609 } 19610 } 19611 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19612 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19613 19614 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19615 for (File file : files) { 19616 final String packageName = file.getName(); 19617 try { 19618 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19619 } catch (PackageManagerException e) { 19620 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19621 try { 19622 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19623 StorageManager.FLAG_STORAGE_DE, 0); 19624 } catch (InstallerException e2) { 19625 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19626 } 19627 } 19628 } 19629 } 19630 19631 // Ensure that data directories are ready to roll for all packages 19632 // installed for this volume and user 19633 final List<PackageSetting> packages; 19634 synchronized (mPackages) { 19635 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19636 } 19637 int preparedCount = 0; 19638 for (PackageSetting ps : packages) { 19639 final String packageName = ps.name; 19640 if (ps.pkg == null) { 19641 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19642 // TODO: might be due to legacy ASEC apps; we should circle back 19643 // and reconcile again once they're scanned 19644 continue; 19645 } 19646 19647 if (ps.getInstalled(userId)) { 19648 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19649 19650 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19651 // We may have just shuffled around app data directories, so 19652 // prepare them one more time 19653 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19654 } 19655 19656 preparedCount++; 19657 } 19658 } 19659 19660 if (restoreconNeeded) { 19661 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19662 SELinuxMMAC.setRestoreconDone(ceDir); 19663 } 19664 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19665 SELinuxMMAC.setRestoreconDone(deDir); 19666 } 19667 } 19668 19669 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19670 + " packages; restoreconNeeded was " + restoreconNeeded); 19671 } 19672 19673 /** 19674 * Prepare app data for the given app just after it was installed or 19675 * upgraded. This method carefully only touches users that it's installed 19676 * for, and it forces a restorecon to handle any seinfo changes. 19677 * <p> 19678 * Verifies that directories exist and that ownership and labeling is 19679 * correct for all installed apps. If there is an ownership mismatch, it 19680 * will try recovering system apps by wiping data; third-party app data is 19681 * left intact. 19682 * <p> 19683 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19684 */ 19685 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19686 final PackageSetting ps; 19687 synchronized (mPackages) { 19688 ps = mSettings.mPackages.get(pkg.packageName); 19689 mSettings.writeKernelMappingLPr(ps); 19690 } 19691 19692 final UserManager um = mContext.getSystemService(UserManager.class); 19693 UserManagerInternal umInternal = getUserManagerInternal(); 19694 for (UserInfo user : um.getUsers()) { 19695 final int flags; 19696 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19697 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19698 } else if (umInternal.isUserRunning(user.id)) { 19699 flags = StorageManager.FLAG_STORAGE_DE; 19700 } else { 19701 continue; 19702 } 19703 19704 if (ps.getInstalled(user.id)) { 19705 // Whenever an app changes, force a restorecon of its data 19706 // TODO: when user data is locked, mark that we're still dirty 19707 prepareAppDataLIF(pkg, user.id, flags, true); 19708 } 19709 } 19710 } 19711 19712 /** 19713 * Prepare app data for the given app. 19714 * <p> 19715 * Verifies that directories exist and that ownership and labeling is 19716 * correct for all installed apps. If there is an ownership mismatch, this 19717 * will try recovering system apps by wiping data; third-party app data is 19718 * left intact. 19719 */ 19720 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19721 boolean restoreconNeeded) { 19722 if (pkg == null) { 19723 Slog.wtf(TAG, "Package was null!", new Throwable()); 19724 return; 19725 } 19726 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19727 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19728 for (int i = 0; i < childCount; i++) { 19729 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19730 } 19731 } 19732 19733 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19734 boolean restoreconNeeded) { 19735 if (DEBUG_APP_DATA) { 19736 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19737 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19738 } 19739 19740 final String volumeUuid = pkg.volumeUuid; 19741 final String packageName = pkg.packageName; 19742 final ApplicationInfo app = pkg.applicationInfo; 19743 final int appId = UserHandle.getAppId(app.uid); 19744 19745 Preconditions.checkNotNull(app.seinfo); 19746 19747 try { 19748 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19749 appId, app.seinfo, app.targetSdkVersion); 19750 } catch (InstallerException e) { 19751 if (app.isSystemApp()) { 19752 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19753 + ", but trying to recover: " + e); 19754 destroyAppDataLeafLIF(pkg, userId, flags); 19755 try { 19756 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19757 appId, app.seinfo, app.targetSdkVersion); 19758 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19759 } catch (InstallerException e2) { 19760 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19761 } 19762 } else { 19763 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19764 } 19765 } 19766 19767 if (restoreconNeeded) { 19768 try { 19769 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19770 app.seinfo); 19771 } catch (InstallerException e) { 19772 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19773 } 19774 } 19775 19776 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19777 try { 19778 // CE storage is unlocked right now, so read out the inode and 19779 // remember for use later when it's locked 19780 // TODO: mark this structure as dirty so we persist it! 19781 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19782 StorageManager.FLAG_STORAGE_CE); 19783 synchronized (mPackages) { 19784 final PackageSetting ps = mSettings.mPackages.get(packageName); 19785 if (ps != null) { 19786 ps.setCeDataInode(ceDataInode, userId); 19787 } 19788 } 19789 } catch (InstallerException e) { 19790 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19791 } 19792 } 19793 19794 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19795 } 19796 19797 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19798 if (pkg == null) { 19799 Slog.wtf(TAG, "Package was null!", new Throwable()); 19800 return; 19801 } 19802 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19803 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19804 for (int i = 0; i < childCount; i++) { 19805 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19806 } 19807 } 19808 19809 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19810 final String volumeUuid = pkg.volumeUuid; 19811 final String packageName = pkg.packageName; 19812 final ApplicationInfo app = pkg.applicationInfo; 19813 19814 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19815 // Create a native library symlink only if we have native libraries 19816 // and if the native libraries are 32 bit libraries. We do not provide 19817 // this symlink for 64 bit libraries. 19818 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19819 final String nativeLibPath = app.nativeLibraryDir; 19820 try { 19821 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19822 nativeLibPath, userId); 19823 } catch (InstallerException e) { 19824 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19825 } 19826 } 19827 } 19828 } 19829 19830 /** 19831 * For system apps on non-FBE devices, this method migrates any existing 19832 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19833 * requested by the app. 19834 */ 19835 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19836 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19837 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19838 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19839 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19840 try { 19841 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19842 storageTarget); 19843 } catch (InstallerException e) { 19844 logCriticalInfo(Log.WARN, 19845 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19846 } 19847 return true; 19848 } else { 19849 return false; 19850 } 19851 } 19852 19853 public PackageFreezer freezePackage(String packageName, String killReason) { 19854 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19855 } 19856 19857 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19858 return new PackageFreezer(packageName, userId, killReason); 19859 } 19860 19861 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19862 String killReason) { 19863 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19864 } 19865 19866 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19867 String killReason) { 19868 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19869 return new PackageFreezer(); 19870 } else { 19871 return freezePackage(packageName, userId, killReason); 19872 } 19873 } 19874 19875 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19876 String killReason) { 19877 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19878 } 19879 19880 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19881 String killReason) { 19882 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19883 return new PackageFreezer(); 19884 } else { 19885 return freezePackage(packageName, userId, killReason); 19886 } 19887 } 19888 19889 /** 19890 * Class that freezes and kills the given package upon creation, and 19891 * unfreezes it upon closing. This is typically used when doing surgery on 19892 * app code/data to prevent the app from running while you're working. 19893 */ 19894 private class PackageFreezer implements AutoCloseable { 19895 private final String mPackageName; 19896 private final PackageFreezer[] mChildren; 19897 19898 private final boolean mWeFroze; 19899 19900 private final AtomicBoolean mClosed = new AtomicBoolean(); 19901 private final CloseGuard mCloseGuard = CloseGuard.get(); 19902 19903 /** 19904 * Create and return a stub freezer that doesn't actually do anything, 19905 * typically used when someone requested 19906 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19907 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19908 */ 19909 public PackageFreezer() { 19910 mPackageName = null; 19911 mChildren = null; 19912 mWeFroze = false; 19913 mCloseGuard.open("close"); 19914 } 19915 19916 public PackageFreezer(String packageName, int userId, String killReason) { 19917 synchronized (mPackages) { 19918 mPackageName = packageName; 19919 mWeFroze = mFrozenPackages.add(mPackageName); 19920 19921 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19922 if (ps != null) { 19923 killApplication(ps.name, ps.appId, userId, killReason); 19924 } 19925 19926 final PackageParser.Package p = mPackages.get(packageName); 19927 if (p != null && p.childPackages != null) { 19928 final int N = p.childPackages.size(); 19929 mChildren = new PackageFreezer[N]; 19930 for (int i = 0; i < N; i++) { 19931 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19932 userId, killReason); 19933 } 19934 } else { 19935 mChildren = null; 19936 } 19937 } 19938 mCloseGuard.open("close"); 19939 } 19940 19941 @Override 19942 protected void finalize() throws Throwable { 19943 try { 19944 mCloseGuard.warnIfOpen(); 19945 close(); 19946 } finally { 19947 super.finalize(); 19948 } 19949 } 19950 19951 @Override 19952 public void close() { 19953 mCloseGuard.close(); 19954 if (mClosed.compareAndSet(false, true)) { 19955 synchronized (mPackages) { 19956 if (mWeFroze) { 19957 mFrozenPackages.remove(mPackageName); 19958 } 19959 19960 if (mChildren != null) { 19961 for (PackageFreezer freezer : mChildren) { 19962 freezer.close(); 19963 } 19964 } 19965 } 19966 } 19967 } 19968 } 19969 19970 /** 19971 * Verify that given package is currently frozen. 19972 */ 19973 private void checkPackageFrozen(String packageName) { 19974 synchronized (mPackages) { 19975 if (!mFrozenPackages.contains(packageName)) { 19976 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19977 } 19978 } 19979 } 19980 19981 @Override 19982 public int movePackage(final String packageName, final String volumeUuid) { 19983 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19984 19985 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19986 final int moveId = mNextMoveId.getAndIncrement(); 19987 mHandler.post(new Runnable() { 19988 @Override 19989 public void run() { 19990 try { 19991 movePackageInternal(packageName, volumeUuid, moveId, user); 19992 } catch (PackageManagerException e) { 19993 Slog.w(TAG, "Failed to move " + packageName, e); 19994 mMoveCallbacks.notifyStatusChanged(moveId, 19995 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19996 } 19997 } 19998 }); 19999 return moveId; 20000 } 20001 20002 private void movePackageInternal(final String packageName, final String volumeUuid, 20003 final int moveId, UserHandle user) throws PackageManagerException { 20004 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20005 final PackageManager pm = mContext.getPackageManager(); 20006 20007 final boolean currentAsec; 20008 final String currentVolumeUuid; 20009 final File codeFile; 20010 final String installerPackageName; 20011 final String packageAbiOverride; 20012 final int appId; 20013 final String seinfo; 20014 final String label; 20015 final int targetSdkVersion; 20016 final PackageFreezer freezer; 20017 final int[] installedUserIds; 20018 20019 // reader 20020 synchronized (mPackages) { 20021 final PackageParser.Package pkg = mPackages.get(packageName); 20022 final PackageSetting ps = mSettings.mPackages.get(packageName); 20023 if (pkg == null || ps == null) { 20024 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20025 } 20026 20027 if (pkg.applicationInfo.isSystemApp()) { 20028 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20029 "Cannot move system application"); 20030 } 20031 20032 if (pkg.applicationInfo.isExternalAsec()) { 20033 currentAsec = true; 20034 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20035 } else if (pkg.applicationInfo.isForwardLocked()) { 20036 currentAsec = true; 20037 currentVolumeUuid = "forward_locked"; 20038 } else { 20039 currentAsec = false; 20040 currentVolumeUuid = ps.volumeUuid; 20041 20042 final File probe = new File(pkg.codePath); 20043 final File probeOat = new File(probe, "oat"); 20044 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20045 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20046 "Move only supported for modern cluster style installs"); 20047 } 20048 } 20049 20050 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20051 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20052 "Package already moved to " + volumeUuid); 20053 } 20054 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20055 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20056 "Device admin cannot be moved"); 20057 } 20058 20059 if (mFrozenPackages.contains(packageName)) { 20060 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20061 "Failed to move already frozen package"); 20062 } 20063 20064 codeFile = new File(pkg.codePath); 20065 installerPackageName = ps.installerPackageName; 20066 packageAbiOverride = ps.cpuAbiOverrideString; 20067 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20068 seinfo = pkg.applicationInfo.seinfo; 20069 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20070 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20071 freezer = freezePackage(packageName, "movePackageInternal"); 20072 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20073 } 20074 20075 final Bundle extras = new Bundle(); 20076 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20077 extras.putString(Intent.EXTRA_TITLE, label); 20078 mMoveCallbacks.notifyCreated(moveId, extras); 20079 20080 int installFlags; 20081 final boolean moveCompleteApp; 20082 final File measurePath; 20083 20084 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20085 installFlags = INSTALL_INTERNAL; 20086 moveCompleteApp = !currentAsec; 20087 measurePath = Environment.getDataAppDirectory(volumeUuid); 20088 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20089 installFlags = INSTALL_EXTERNAL; 20090 moveCompleteApp = false; 20091 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20092 } else { 20093 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20094 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20095 || !volume.isMountedWritable()) { 20096 freezer.close(); 20097 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20098 "Move location not mounted private volume"); 20099 } 20100 20101 Preconditions.checkState(!currentAsec); 20102 20103 installFlags = INSTALL_INTERNAL; 20104 moveCompleteApp = true; 20105 measurePath = Environment.getDataAppDirectory(volumeUuid); 20106 } 20107 20108 final PackageStats stats = new PackageStats(null, -1); 20109 synchronized (mInstaller) { 20110 for (int userId : installedUserIds) { 20111 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20112 freezer.close(); 20113 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20114 "Failed to measure package size"); 20115 } 20116 } 20117 } 20118 20119 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20120 + stats.dataSize); 20121 20122 final long startFreeBytes = measurePath.getFreeSpace(); 20123 final long sizeBytes; 20124 if (moveCompleteApp) { 20125 sizeBytes = stats.codeSize + stats.dataSize; 20126 } else { 20127 sizeBytes = stats.codeSize; 20128 } 20129 20130 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20131 freezer.close(); 20132 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20133 "Not enough free space to move"); 20134 } 20135 20136 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20137 20138 final CountDownLatch installedLatch = new CountDownLatch(1); 20139 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20140 @Override 20141 public void onUserActionRequired(Intent intent) throws RemoteException { 20142 throw new IllegalStateException(); 20143 } 20144 20145 @Override 20146 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20147 Bundle extras) throws RemoteException { 20148 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20149 + PackageManager.installStatusToString(returnCode, msg)); 20150 20151 installedLatch.countDown(); 20152 freezer.close(); 20153 20154 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20155 switch (status) { 20156 case PackageInstaller.STATUS_SUCCESS: 20157 mMoveCallbacks.notifyStatusChanged(moveId, 20158 PackageManager.MOVE_SUCCEEDED); 20159 break; 20160 case PackageInstaller.STATUS_FAILURE_STORAGE: 20161 mMoveCallbacks.notifyStatusChanged(moveId, 20162 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20163 break; 20164 default: 20165 mMoveCallbacks.notifyStatusChanged(moveId, 20166 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20167 break; 20168 } 20169 } 20170 }; 20171 20172 final MoveInfo move; 20173 if (moveCompleteApp) { 20174 // Kick off a thread to report progress estimates 20175 new Thread() { 20176 @Override 20177 public void run() { 20178 while (true) { 20179 try { 20180 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20181 break; 20182 } 20183 } catch (InterruptedException ignored) { 20184 } 20185 20186 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20187 final int progress = 10 + (int) MathUtils.constrain( 20188 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20189 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20190 } 20191 } 20192 }.start(); 20193 20194 final String dataAppName = codeFile.getName(); 20195 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20196 dataAppName, appId, seinfo, targetSdkVersion); 20197 } else { 20198 move = null; 20199 } 20200 20201 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20202 20203 final Message msg = mHandler.obtainMessage(INIT_COPY); 20204 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20205 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20206 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20207 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20208 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20209 msg.obj = params; 20210 20211 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20212 System.identityHashCode(msg.obj)); 20213 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20214 System.identityHashCode(msg.obj)); 20215 20216 mHandler.sendMessage(msg); 20217 } 20218 20219 @Override 20220 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20221 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20222 20223 final int realMoveId = mNextMoveId.getAndIncrement(); 20224 final Bundle extras = new Bundle(); 20225 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20226 mMoveCallbacks.notifyCreated(realMoveId, extras); 20227 20228 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20229 @Override 20230 public void onCreated(int moveId, Bundle extras) { 20231 // Ignored 20232 } 20233 20234 @Override 20235 public void onStatusChanged(int moveId, int status, long estMillis) { 20236 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20237 } 20238 }; 20239 20240 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20241 storage.setPrimaryStorageUuid(volumeUuid, callback); 20242 return realMoveId; 20243 } 20244 20245 @Override 20246 public int getMoveStatus(int moveId) { 20247 mContext.enforceCallingOrSelfPermission( 20248 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20249 return mMoveCallbacks.mLastStatus.get(moveId); 20250 } 20251 20252 @Override 20253 public void registerMoveCallback(IPackageMoveObserver callback) { 20254 mContext.enforceCallingOrSelfPermission( 20255 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20256 mMoveCallbacks.register(callback); 20257 } 20258 20259 @Override 20260 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20261 mContext.enforceCallingOrSelfPermission( 20262 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20263 mMoveCallbacks.unregister(callback); 20264 } 20265 20266 @Override 20267 public boolean setInstallLocation(int loc) { 20268 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20269 null); 20270 if (getInstallLocation() == loc) { 20271 return true; 20272 } 20273 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20274 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20275 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20276 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20277 return true; 20278 } 20279 return false; 20280 } 20281 20282 @Override 20283 public int getInstallLocation() { 20284 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20285 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20286 PackageHelper.APP_INSTALL_AUTO); 20287 } 20288 20289 /** Called by UserManagerService */ 20290 void cleanUpUser(UserManagerService userManager, int userHandle) { 20291 synchronized (mPackages) { 20292 mDirtyUsers.remove(userHandle); 20293 mUserNeedsBadging.delete(userHandle); 20294 mSettings.removeUserLPw(userHandle); 20295 mPendingBroadcasts.remove(userHandle); 20296 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20297 removeUnusedPackagesLPw(userManager, userHandle); 20298 } 20299 } 20300 20301 /** 20302 * We're removing userHandle and would like to remove any downloaded packages 20303 * that are no longer in use by any other user. 20304 * @param userHandle the user being removed 20305 */ 20306 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20307 final boolean DEBUG_CLEAN_APKS = false; 20308 int [] users = userManager.getUserIds(); 20309 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20310 while (psit.hasNext()) { 20311 PackageSetting ps = psit.next(); 20312 if (ps.pkg == null) { 20313 continue; 20314 } 20315 final String packageName = ps.pkg.packageName; 20316 // Skip over if system app 20317 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20318 continue; 20319 } 20320 if (DEBUG_CLEAN_APKS) { 20321 Slog.i(TAG, "Checking package " + packageName); 20322 } 20323 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20324 if (keep) { 20325 if (DEBUG_CLEAN_APKS) { 20326 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20327 } 20328 } else { 20329 for (int i = 0; i < users.length; i++) { 20330 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20331 keep = true; 20332 if (DEBUG_CLEAN_APKS) { 20333 Slog.i(TAG, " Keeping package " + packageName + " for user " 20334 + users[i]); 20335 } 20336 break; 20337 } 20338 } 20339 } 20340 if (!keep) { 20341 if (DEBUG_CLEAN_APKS) { 20342 Slog.i(TAG, " Removing package " + packageName); 20343 } 20344 mHandler.post(new Runnable() { 20345 public void run() { 20346 deletePackageX(packageName, userHandle, 0); 20347 } //end run 20348 }); 20349 } 20350 } 20351 } 20352 20353 /** Called by UserManagerService */ 20354 void createNewUser(int userId) { 20355 synchronized (mInstallLock) { 20356 mSettings.createNewUserLI(this, mInstaller, userId); 20357 } 20358 synchronized (mPackages) { 20359 scheduleWritePackageRestrictionsLocked(userId); 20360 scheduleWritePackageListLocked(userId); 20361 applyFactoryDefaultBrowserLPw(userId); 20362 primeDomainVerificationsLPw(userId); 20363 } 20364 } 20365 20366 void onBeforeUserStartUninitialized(final int userId) { 20367 synchronized (mPackages) { 20368 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20369 return; 20370 } 20371 } 20372 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20373 // If permission review for legacy apps is required, we represent 20374 // dagerous permissions for such apps as always granted runtime 20375 // permissions to keep per user flag state whether review is needed. 20376 // Hence, if a new user is added we have to propagate dangerous 20377 // permission grants for these legacy apps. 20378 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20379 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20380 | UPDATE_PERMISSIONS_REPLACE_ALL); 20381 } 20382 } 20383 20384 @Override 20385 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20386 mContext.enforceCallingOrSelfPermission( 20387 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20388 "Only package verification agents can read the verifier device identity"); 20389 20390 synchronized (mPackages) { 20391 return mSettings.getVerifierDeviceIdentityLPw(); 20392 } 20393 } 20394 20395 @Override 20396 public void setPermissionEnforced(String permission, boolean enforced) { 20397 // TODO: Now that we no longer change GID for storage, this should to away. 20398 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20399 "setPermissionEnforced"); 20400 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20401 synchronized (mPackages) { 20402 if (mSettings.mReadExternalStorageEnforced == null 20403 || mSettings.mReadExternalStorageEnforced != enforced) { 20404 mSettings.mReadExternalStorageEnforced = enforced; 20405 mSettings.writeLPr(); 20406 } 20407 } 20408 // kill any non-foreground processes so we restart them and 20409 // grant/revoke the GID. 20410 final IActivityManager am = ActivityManagerNative.getDefault(); 20411 if (am != null) { 20412 final long token = Binder.clearCallingIdentity(); 20413 try { 20414 am.killProcessesBelowForeground("setPermissionEnforcement"); 20415 } catch (RemoteException e) { 20416 } finally { 20417 Binder.restoreCallingIdentity(token); 20418 } 20419 } 20420 } else { 20421 throw new IllegalArgumentException("No selective enforcement for " + permission); 20422 } 20423 } 20424 20425 @Override 20426 @Deprecated 20427 public boolean isPermissionEnforced(String permission) { 20428 return true; 20429 } 20430 20431 @Override 20432 public boolean isStorageLow() { 20433 final long token = Binder.clearCallingIdentity(); 20434 try { 20435 final DeviceStorageMonitorInternal 20436 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20437 if (dsm != null) { 20438 return dsm.isMemoryLow(); 20439 } else { 20440 return false; 20441 } 20442 } finally { 20443 Binder.restoreCallingIdentity(token); 20444 } 20445 } 20446 20447 @Override 20448 public IPackageInstaller getPackageInstaller() { 20449 return mInstallerService; 20450 } 20451 20452 private boolean userNeedsBadging(int userId) { 20453 int index = mUserNeedsBadging.indexOfKey(userId); 20454 if (index < 0) { 20455 final UserInfo userInfo; 20456 final long token = Binder.clearCallingIdentity(); 20457 try { 20458 userInfo = sUserManager.getUserInfo(userId); 20459 } finally { 20460 Binder.restoreCallingIdentity(token); 20461 } 20462 final boolean b; 20463 if (userInfo != null && userInfo.isManagedProfile()) { 20464 b = true; 20465 } else { 20466 b = false; 20467 } 20468 mUserNeedsBadging.put(userId, b); 20469 return b; 20470 } 20471 return mUserNeedsBadging.valueAt(index); 20472 } 20473 20474 @Override 20475 public KeySet getKeySetByAlias(String packageName, String alias) { 20476 if (packageName == null || alias == null) { 20477 return null; 20478 } 20479 synchronized(mPackages) { 20480 final PackageParser.Package pkg = mPackages.get(packageName); 20481 if (pkg == null) { 20482 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20483 throw new IllegalArgumentException("Unknown package: " + packageName); 20484 } 20485 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20486 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20487 } 20488 } 20489 20490 @Override 20491 public KeySet getSigningKeySet(String packageName) { 20492 if (packageName == null) { 20493 return null; 20494 } 20495 synchronized(mPackages) { 20496 final PackageParser.Package pkg = mPackages.get(packageName); 20497 if (pkg == null) { 20498 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20499 throw new IllegalArgumentException("Unknown package: " + packageName); 20500 } 20501 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20502 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20503 throw new SecurityException("May not access signing KeySet of other apps."); 20504 } 20505 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20506 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20507 } 20508 } 20509 20510 @Override 20511 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20512 if (packageName == null || ks == null) { 20513 return false; 20514 } 20515 synchronized(mPackages) { 20516 final PackageParser.Package pkg = mPackages.get(packageName); 20517 if (pkg == null) { 20518 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20519 throw new IllegalArgumentException("Unknown package: " + packageName); 20520 } 20521 IBinder ksh = ks.getToken(); 20522 if (ksh instanceof KeySetHandle) { 20523 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20524 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20525 } 20526 return false; 20527 } 20528 } 20529 20530 @Override 20531 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20532 if (packageName == null || ks == null) { 20533 return false; 20534 } 20535 synchronized(mPackages) { 20536 final PackageParser.Package pkg = mPackages.get(packageName); 20537 if (pkg == null) { 20538 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20539 throw new IllegalArgumentException("Unknown package: " + packageName); 20540 } 20541 IBinder ksh = ks.getToken(); 20542 if (ksh instanceof KeySetHandle) { 20543 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20544 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20545 } 20546 return false; 20547 } 20548 } 20549 20550 private void deletePackageIfUnusedLPr(final String packageName) { 20551 PackageSetting ps = mSettings.mPackages.get(packageName); 20552 if (ps == null) { 20553 return; 20554 } 20555 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20556 // TODO Implement atomic delete if package is unused 20557 // It is currently possible that the package will be deleted even if it is installed 20558 // after this method returns. 20559 mHandler.post(new Runnable() { 20560 public void run() { 20561 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20562 } 20563 }); 20564 } 20565 } 20566 20567 /** 20568 * Check and throw if the given before/after packages would be considered a 20569 * downgrade. 20570 */ 20571 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20572 throws PackageManagerException { 20573 if (after.versionCode < before.mVersionCode) { 20574 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20575 "Update version code " + after.versionCode + " is older than current " 20576 + before.mVersionCode); 20577 } else if (after.versionCode == before.mVersionCode) { 20578 if (after.baseRevisionCode < before.baseRevisionCode) { 20579 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20580 "Update base revision code " + after.baseRevisionCode 20581 + " is older than current " + before.baseRevisionCode); 20582 } 20583 20584 if (!ArrayUtils.isEmpty(after.splitNames)) { 20585 for (int i = 0; i < after.splitNames.length; i++) { 20586 final String splitName = after.splitNames[i]; 20587 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20588 if (j != -1) { 20589 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20590 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20591 "Update split " + splitName + " revision code " 20592 + after.splitRevisionCodes[i] + " is older than current " 20593 + before.splitRevisionCodes[j]); 20594 } 20595 } 20596 } 20597 } 20598 } 20599 } 20600 20601 private static class MoveCallbacks extends Handler { 20602 private static final int MSG_CREATED = 1; 20603 private static final int MSG_STATUS_CHANGED = 2; 20604 20605 private final RemoteCallbackList<IPackageMoveObserver> 20606 mCallbacks = new RemoteCallbackList<>(); 20607 20608 private final SparseIntArray mLastStatus = new SparseIntArray(); 20609 20610 public MoveCallbacks(Looper looper) { 20611 super(looper); 20612 } 20613 20614 public void register(IPackageMoveObserver callback) { 20615 mCallbacks.register(callback); 20616 } 20617 20618 public void unregister(IPackageMoveObserver callback) { 20619 mCallbacks.unregister(callback); 20620 } 20621 20622 @Override 20623 public void handleMessage(Message msg) { 20624 final SomeArgs args = (SomeArgs) msg.obj; 20625 final int n = mCallbacks.beginBroadcast(); 20626 for (int i = 0; i < n; i++) { 20627 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20628 try { 20629 invokeCallback(callback, msg.what, args); 20630 } catch (RemoteException ignored) { 20631 } 20632 } 20633 mCallbacks.finishBroadcast(); 20634 args.recycle(); 20635 } 20636 20637 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20638 throws RemoteException { 20639 switch (what) { 20640 case MSG_CREATED: { 20641 callback.onCreated(args.argi1, (Bundle) args.arg2); 20642 break; 20643 } 20644 case MSG_STATUS_CHANGED: { 20645 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20646 break; 20647 } 20648 } 20649 } 20650 20651 private void notifyCreated(int moveId, Bundle extras) { 20652 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20653 20654 final SomeArgs args = SomeArgs.obtain(); 20655 args.argi1 = moveId; 20656 args.arg2 = extras; 20657 obtainMessage(MSG_CREATED, args).sendToTarget(); 20658 } 20659 20660 private void notifyStatusChanged(int moveId, int status) { 20661 notifyStatusChanged(moveId, status, -1); 20662 } 20663 20664 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20665 Slog.v(TAG, "Move " + moveId + " status " + status); 20666 20667 final SomeArgs args = SomeArgs.obtain(); 20668 args.argi1 = moveId; 20669 args.argi2 = status; 20670 args.arg3 = estMillis; 20671 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20672 20673 synchronized (mLastStatus) { 20674 mLastStatus.put(moveId, status); 20675 } 20676 } 20677 } 20678 20679 private final static class OnPermissionChangeListeners extends Handler { 20680 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20681 20682 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20683 new RemoteCallbackList<>(); 20684 20685 public OnPermissionChangeListeners(Looper looper) { 20686 super(looper); 20687 } 20688 20689 @Override 20690 public void handleMessage(Message msg) { 20691 switch (msg.what) { 20692 case MSG_ON_PERMISSIONS_CHANGED: { 20693 final int uid = msg.arg1; 20694 handleOnPermissionsChanged(uid); 20695 } break; 20696 } 20697 } 20698 20699 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20700 mPermissionListeners.register(listener); 20701 20702 } 20703 20704 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20705 mPermissionListeners.unregister(listener); 20706 } 20707 20708 public void onPermissionsChanged(int uid) { 20709 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20710 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20711 } 20712 } 20713 20714 private void handleOnPermissionsChanged(int uid) { 20715 final int count = mPermissionListeners.beginBroadcast(); 20716 try { 20717 for (int i = 0; i < count; i++) { 20718 IOnPermissionsChangeListener callback = mPermissionListeners 20719 .getBroadcastItem(i); 20720 try { 20721 callback.onPermissionsChanged(uid); 20722 } catch (RemoteException e) { 20723 Log.e(TAG, "Permission listener is dead", e); 20724 } 20725 } 20726 } finally { 20727 mPermissionListeners.finishBroadcast(); 20728 } 20729 } 20730 } 20731 20732 private class PackageManagerInternalImpl extends PackageManagerInternal { 20733 @Override 20734 public void setLocationPackagesProvider(PackagesProvider provider) { 20735 synchronized (mPackages) { 20736 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20737 } 20738 } 20739 20740 @Override 20741 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20742 synchronized (mPackages) { 20743 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20744 } 20745 } 20746 20747 @Override 20748 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20749 synchronized (mPackages) { 20750 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20751 } 20752 } 20753 20754 @Override 20755 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20756 synchronized (mPackages) { 20757 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20758 } 20759 } 20760 20761 @Override 20762 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20763 synchronized (mPackages) { 20764 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20765 } 20766 } 20767 20768 @Override 20769 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20770 synchronized (mPackages) { 20771 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20772 } 20773 } 20774 20775 @Override 20776 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20777 synchronized (mPackages) { 20778 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20779 packageName, userId); 20780 } 20781 } 20782 20783 @Override 20784 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20785 synchronized (mPackages) { 20786 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20787 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20788 packageName, userId); 20789 } 20790 } 20791 20792 @Override 20793 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20794 synchronized (mPackages) { 20795 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20796 packageName, userId); 20797 } 20798 } 20799 20800 @Override 20801 public void setKeepUninstalledPackages(final List<String> packageList) { 20802 Preconditions.checkNotNull(packageList); 20803 List<String> removedFromList = null; 20804 synchronized (mPackages) { 20805 if (mKeepUninstalledPackages != null) { 20806 final int packagesCount = mKeepUninstalledPackages.size(); 20807 for (int i = 0; i < packagesCount; i++) { 20808 String oldPackage = mKeepUninstalledPackages.get(i); 20809 if (packageList != null && packageList.contains(oldPackage)) { 20810 continue; 20811 } 20812 if (removedFromList == null) { 20813 removedFromList = new ArrayList<>(); 20814 } 20815 removedFromList.add(oldPackage); 20816 } 20817 } 20818 mKeepUninstalledPackages = new ArrayList<>(packageList); 20819 if (removedFromList != null) { 20820 final int removedCount = removedFromList.size(); 20821 for (int i = 0; i < removedCount; i++) { 20822 deletePackageIfUnusedLPr(removedFromList.get(i)); 20823 } 20824 } 20825 } 20826 } 20827 20828 @Override 20829 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20830 synchronized (mPackages) { 20831 // If we do not support permission review, done. 20832 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20833 return false; 20834 } 20835 20836 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20837 if (packageSetting == null) { 20838 return false; 20839 } 20840 20841 // Permission review applies only to apps not supporting the new permission model. 20842 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20843 return false; 20844 } 20845 20846 // Legacy apps have the permission and get user consent on launch. 20847 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20848 return permissionsState.isPermissionReviewRequired(userId); 20849 } 20850 } 20851 20852 @Override 20853 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20854 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20855 } 20856 20857 @Override 20858 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20859 int userId) { 20860 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20861 } 20862 20863 @Override 20864 public void setDeviceAndProfileOwnerPackages( 20865 int deviceOwnerUserId, String deviceOwnerPackage, 20866 SparseArray<String> profileOwnerPackages) { 20867 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20868 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20869 } 20870 20871 @Override 20872 public boolean canPackageBeWiped(int userId, String packageName) { 20873 return mProtectedPackages.canPackageBeWiped(userId, 20874 packageName); 20875 } 20876 } 20877 20878 @Override 20879 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20880 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20881 synchronized (mPackages) { 20882 final long identity = Binder.clearCallingIdentity(); 20883 try { 20884 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20885 packageNames, userId); 20886 } finally { 20887 Binder.restoreCallingIdentity(identity); 20888 } 20889 } 20890 } 20891 20892 private static void enforceSystemOrPhoneCaller(String tag) { 20893 int callingUid = Binder.getCallingUid(); 20894 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20895 throw new SecurityException( 20896 "Cannot call " + tag + " from UID " + callingUid); 20897 } 20898 } 20899 20900 boolean isHistoricalPackageUsageAvailable() { 20901 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20902 } 20903 20904 /** 20905 * Return a <b>copy</b> of the collection of packages known to the package manager. 20906 * @return A copy of the values of mPackages. 20907 */ 20908 Collection<PackageParser.Package> getPackages() { 20909 synchronized (mPackages) { 20910 return new ArrayList<>(mPackages.values()); 20911 } 20912 } 20913 20914 /** 20915 * Logs process start information (including base APK hash) to the security log. 20916 * @hide 20917 */ 20918 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20919 String apkFile, int pid) { 20920 if (!SecurityLog.isLoggingEnabled()) { 20921 return; 20922 } 20923 Bundle data = new Bundle(); 20924 data.putLong("startTimestamp", System.currentTimeMillis()); 20925 data.putString("processName", processName); 20926 data.putInt("uid", uid); 20927 data.putString("seinfo", seinfo); 20928 data.putString("apkFile", apkFile); 20929 data.putInt("pid", pid); 20930 Message msg = mProcessLoggingHandler.obtainMessage( 20931 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20932 msg.setData(data); 20933 mProcessLoggingHandler.sendMessage(msg); 20934 } 20935} 20936