PackageManagerService.java revision 9f013fe71ecf03c9c9696599ba82715d84e45365
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.storage.IMountService; 193import android.os.storage.MountServiceInternal; 194import android.os.storage.StorageEventListener; 195import android.os.storage.StorageManager; 196import android.os.storage.VolumeInfo; 197import android.os.storage.VolumeRecord; 198import android.security.KeyStore; 199import android.security.SystemKeyStore; 200import android.system.ErrnoException; 201import android.system.Os; 202import android.text.TextUtils; 203import android.text.format.DateUtils; 204import android.util.ArrayMap; 205import android.util.ArraySet; 206import android.util.AtomicFile; 207import android.util.DisplayMetrics; 208import android.util.EventLog; 209import android.util.ExceptionUtils; 210import android.util.Log; 211import android.util.LogPrinter; 212import android.util.MathUtils; 213import android.util.PrintStreamPrinter; 214import android.util.Slog; 215import android.util.SparseArray; 216import android.util.SparseBooleanArray; 217import android.util.SparseIntArray; 218import android.util.Xml; 219import android.util.jar.StrictJarFile; 220import android.view.Display; 221 222import com.android.internal.R; 223import com.android.internal.annotations.GuardedBy; 224import com.android.internal.app.IMediaContainerService; 225import com.android.internal.app.ResolverActivity; 226import com.android.internal.content.NativeLibraryHelper; 227import com.android.internal.content.PackageHelper; 228import com.android.internal.os.IParcelFileDescriptorFactory; 229import com.android.internal.os.InstallerConnection.InstallerException; 230import com.android.internal.os.SomeArgs; 231import com.android.internal.os.Zygote; 232import com.android.internal.telephony.CarrierAppUtils; 233import com.android.internal.util.ArrayUtils; 234import com.android.internal.util.FastPrintWriter; 235import com.android.internal.util.FastXmlSerializer; 236import com.android.internal.util.IndentingPrintWriter; 237import com.android.internal.util.Preconditions; 238import com.android.internal.util.XmlUtils; 239import com.android.server.EventLogTags; 240import com.android.server.FgThread; 241import com.android.server.IntentResolver; 242import com.android.server.LocalServices; 243import com.android.server.ServiceThread; 244import com.android.server.SystemConfig; 245import com.android.server.Watchdog; 246import com.android.server.pm.PermissionsState.PermissionState; 247import com.android.server.pm.Settings.DatabaseVersion; 248import com.android.server.pm.Settings.VersionInfo; 249import com.android.server.storage.DeviceStorageMonitorInternal; 250 251import dalvik.system.CloseGuard; 252import dalvik.system.DexFile; 253import dalvik.system.VMRuntime; 254 255import libcore.io.IoUtils; 256import libcore.util.EmptyArray; 257 258import org.xmlpull.v1.XmlPullParser; 259import org.xmlpull.v1.XmlPullParserException; 260import org.xmlpull.v1.XmlSerializer; 261 262import java.io.BufferedInputStream; 263import java.io.BufferedOutputStream; 264import java.io.BufferedReader; 265import java.io.ByteArrayInputStream; 266import java.io.ByteArrayOutputStream; 267import java.io.File; 268import java.io.FileDescriptor; 269import java.io.FileNotFoundException; 270import java.io.FileOutputStream; 271import java.io.FileReader; 272import java.io.FilenameFilter; 273import java.io.IOException; 274import java.io.InputStream; 275import java.io.PrintWriter; 276import java.nio.charset.StandardCharsets; 277import java.security.MessageDigest; 278import java.security.NoSuchAlgorithmException; 279import java.security.PublicKey; 280import java.security.cert.Certificate; 281import java.security.cert.CertificateEncodingException; 282import java.security.cert.CertificateException; 283import java.text.SimpleDateFormat; 284import java.util.ArrayList; 285import java.util.Arrays; 286import java.util.Collection; 287import java.util.Collections; 288import java.util.Comparator; 289import java.util.Date; 290import java.util.HashSet; 291import java.util.Iterator; 292import java.util.List; 293import java.util.Map; 294import java.util.Objects; 295import java.util.Set; 296import java.util.concurrent.CountDownLatch; 297import java.util.concurrent.TimeUnit; 298import java.util.concurrent.atomic.AtomicBoolean; 299import java.util.concurrent.atomic.AtomicInteger; 300import java.util.concurrent.atomic.AtomicLong; 301 302/** 303 * Keep track of all those APKs everywhere. 304 * <p> 305 * Internally there are two important locks: 306 * <ul> 307 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 308 * and other related state. It is a fine-grained lock that should only be held 309 * momentarily, as it's one of the most contended locks in the system. 310 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 311 * operations typically involve heavy lifting of application data on disk. Since 312 * {@code installd} is single-threaded, and it's operations can often be slow, 313 * this lock should never be acquired while already holding {@link #mPackages}. 314 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 315 * holding {@link #mInstallLock}. 316 * </ul> 317 * Many internal methods rely on the caller to hold the appropriate locks, and 318 * this contract is expressed through method name suffixes: 319 * <ul> 320 * <li>fooLI(): the caller must hold {@link #mInstallLock} 321 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 322 * being modified must be frozen 323 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 324 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 325 * </ul> 326 * <p> 327 * Because this class is very central to the platform's security; please run all 328 * CTS and unit tests whenever making modifications: 329 * 330 * <pre> 331 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 332 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 333 * </pre> 334 */ 335public class PackageManagerService extends IPackageManager.Stub { 336 static final String TAG = "PackageManager"; 337 static final boolean DEBUG_SETTINGS = false; 338 static final boolean DEBUG_PREFERRED = false; 339 static final boolean DEBUG_UPGRADE = false; 340 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 341 private static final boolean DEBUG_BACKUP = false; 342 private static final boolean DEBUG_INSTALL = false; 343 private static final boolean DEBUG_REMOVE = false; 344 private static final boolean DEBUG_BROADCASTS = false; 345 private static final boolean DEBUG_SHOW_INFO = false; 346 private static final boolean DEBUG_PACKAGE_INFO = false; 347 private static final boolean DEBUG_INTENT_MATCHING = false; 348 private static final boolean DEBUG_PACKAGE_SCANNING = false; 349 private static final boolean DEBUG_VERIFY = false; 350 private static final boolean DEBUG_FILTERS = false; 351 352 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 353 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 354 // user, but by default initialize to this. 355 static final boolean DEBUG_DEXOPT = false; 356 357 private static final boolean DEBUG_ABI_SELECTION = false; 358 private static final boolean DEBUG_EPHEMERAL = false; 359 private static final boolean DEBUG_TRIAGED_MISSING = false; 360 private static final boolean DEBUG_APP_DATA = false; 361 362 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 363 364 private static final boolean DISABLE_EPHEMERAL_APPS = true; 365 366 private static final int RADIO_UID = Process.PHONE_UID; 367 private static final int LOG_UID = Process.LOG_UID; 368 private static final int NFC_UID = Process.NFC_UID; 369 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 370 private static final int SHELL_UID = Process.SHELL_UID; 371 372 // Cap the size of permission trees that 3rd party apps can define 373 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 374 375 // Suffix used during package installation when copying/moving 376 // package apks to install directory. 377 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 378 379 static final int SCAN_NO_DEX = 1<<1; 380 static final int SCAN_FORCE_DEX = 1<<2; 381 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 382 static final int SCAN_NEW_INSTALL = 1<<4; 383 static final int SCAN_NO_PATHS = 1<<5; 384 static final int SCAN_UPDATE_TIME = 1<<6; 385 static final int SCAN_DEFER_DEX = 1<<7; 386 static final int SCAN_BOOTING = 1<<8; 387 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 388 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 389 static final int SCAN_REPLACING = 1<<11; 390 static final int SCAN_REQUIRE_KNOWN = 1<<12; 391 static final int SCAN_MOVE = 1<<13; 392 static final int SCAN_INITIAL = 1<<14; 393 static final int SCAN_CHECK_ONLY = 1<<15; 394 static final int SCAN_DONT_KILL_APP = 1<<17; 395 static final int SCAN_IGNORE_FROZEN = 1<<18; 396 397 static final int REMOVE_CHATTY = 1<<16; 398 399 private static final int[] EMPTY_INT_ARRAY = new int[0]; 400 401 /** 402 * Timeout (in milliseconds) after which the watchdog should declare that 403 * our handler thread is wedged. The usual default for such things is one 404 * minute but we sometimes do very lengthy I/O operations on this thread, 405 * such as installing multi-gigabyte applications, so ours needs to be longer. 406 */ 407 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 408 409 /** 410 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 411 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 412 * settings entry if available, otherwise we use the hardcoded default. If it's been 413 * more than this long since the last fstrim, we force one during the boot sequence. 414 * 415 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 416 * one gets run at the next available charging+idle time. This final mandatory 417 * no-fstrim check kicks in only of the other scheduling criteria is never met. 418 */ 419 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 420 421 /** 422 * Whether verification is enabled by default. 423 */ 424 private static final boolean DEFAULT_VERIFY_ENABLE = true; 425 426 /** 427 * The default maximum time to wait for the verification agent to return in 428 * milliseconds. 429 */ 430 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 431 432 /** 433 * The default response for package verification timeout. 434 * 435 * This can be either PackageManager.VERIFICATION_ALLOW or 436 * PackageManager.VERIFICATION_REJECT. 437 */ 438 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 439 440 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 441 442 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 443 DEFAULT_CONTAINER_PACKAGE, 444 "com.android.defcontainer.DefaultContainerService"); 445 446 private static final String KILL_APP_REASON_GIDS_CHANGED = 447 "permission grant or revoke changed gids"; 448 449 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 450 "permissions revoked"; 451 452 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 453 454 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 455 456 /** Permission grant: not grant the permission. */ 457 private static final int GRANT_DENIED = 1; 458 459 /** Permission grant: grant the permission as an install permission. */ 460 private static final int GRANT_INSTALL = 2; 461 462 /** Permission grant: grant the permission as a runtime one. */ 463 private static final int GRANT_RUNTIME = 3; 464 465 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 466 private static final int GRANT_UPGRADE = 4; 467 468 /** Canonical intent used to identify what counts as a "web browser" app */ 469 private static final Intent sBrowserIntent; 470 static { 471 sBrowserIntent = new Intent(); 472 sBrowserIntent.setAction(Intent.ACTION_VIEW); 473 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 474 sBrowserIntent.setData(Uri.parse("http:")); 475 } 476 477 /** 478 * The set of all protected actions [i.e. those actions for which a high priority 479 * intent filter is disallowed]. 480 */ 481 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 482 static { 483 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 484 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 485 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 486 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 487 } 488 489 // Compilation reasons. 490 public static final int REASON_FIRST_BOOT = 0; 491 public static final int REASON_BOOT = 1; 492 public static final int REASON_INSTALL = 2; 493 public static final int REASON_BACKGROUND_DEXOPT = 3; 494 public static final int REASON_AB_OTA = 4; 495 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 496 public static final int REASON_SHARED_APK = 6; 497 public static final int REASON_FORCED_DEXOPT = 7; 498 499 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 500 501 /** Special library name that skips shared libraries check during compilation. */ 502 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 503 504 final ServiceThread mHandlerThread; 505 506 final PackageHandler mHandler; 507 508 private final ProcessLoggingHandler mProcessLoggingHandler; 509 510 /** 511 * Messages for {@link #mHandler} that need to wait for system ready before 512 * being dispatched. 513 */ 514 private ArrayList<Message> mPostSystemReadyMessages; 515 516 final int mSdkVersion = Build.VERSION.SDK_INT; 517 518 final Context mContext; 519 final boolean mFactoryTest; 520 final boolean mOnlyCore; 521 final DisplayMetrics mMetrics; 522 final int mDefParseFlags; 523 final String[] mSeparateProcesses; 524 final boolean mIsUpgrade; 525 final boolean mIsPreNUpgrade; 526 527 /** The location for ASEC container files on internal storage. */ 528 final String mAsecInternalPath; 529 530 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 531 // LOCK HELD. Can be called with mInstallLock held. 532 @GuardedBy("mInstallLock") 533 final Installer mInstaller; 534 535 /** Directory where installed third-party apps stored */ 536 final File mAppInstallDir; 537 final File mEphemeralInstallDir; 538 539 /** 540 * Directory to which applications installed internally have their 541 * 32 bit native libraries copied. 542 */ 543 private File mAppLib32InstallDir; 544 545 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 546 // apps. 547 final File mDrmAppPrivateInstallDir; 548 549 // ---------------------------------------------------------------- 550 551 // Lock for state used when installing and doing other long running 552 // operations. Methods that must be called with this lock held have 553 // the suffix "LI". 554 final Object mInstallLock = new Object(); 555 556 // ---------------------------------------------------------------- 557 558 // Keys are String (package name), values are Package. This also serves 559 // as the lock for the global state. Methods that must be called with 560 // this lock held have the prefix "LP". 561 @GuardedBy("mPackages") 562 final ArrayMap<String, PackageParser.Package> mPackages = 563 new ArrayMap<String, PackageParser.Package>(); 564 565 final ArrayMap<String, Set<String>> mKnownCodebase = 566 new ArrayMap<String, Set<String>>(); 567 568 // Tracks available target package names -> overlay package paths. 569 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 570 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 571 572 /** 573 * Tracks new system packages [received in an OTA] that we expect to 574 * find updated user-installed versions. Keys are package name, values 575 * are package location. 576 */ 577 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 578 /** 579 * Tracks high priority intent filters for protected actions. During boot, certain 580 * filter actions are protected and should never be allowed to have a high priority 581 * intent filter for them. However, there is one, and only one exception -- the 582 * setup wizard. It must be able to define a high priority intent filter for these 583 * actions to ensure there are no escapes from the wizard. We need to delay processing 584 * of these during boot as we need to look at all of the system packages in order 585 * to know which component is the setup wizard. 586 */ 587 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 588 /** 589 * Whether or not processing protected filters should be deferred. 590 */ 591 private boolean mDeferProtectedFilters = true; 592 593 /** 594 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 595 */ 596 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 597 /** 598 * Whether or not system app permissions should be promoted from install to runtime. 599 */ 600 boolean mPromoteSystemApps; 601 602 @GuardedBy("mPackages") 603 final Settings mSettings; 604 605 /** 606 * Set of package names that are currently "frozen", which means active 607 * surgery is being done on the code/data for that package. The platform 608 * will refuse to launch frozen packages to avoid race conditions. 609 * 610 * @see PackageFreezer 611 */ 612 @GuardedBy("mPackages") 613 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 614 615 boolean mRestoredSettings; 616 617 // System configuration read by SystemConfig. 618 final int[] mGlobalGids; 619 final SparseArray<ArraySet<String>> mSystemPermissions; 620 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 621 622 // If mac_permissions.xml was found for seinfo labeling. 623 boolean mFoundPolicyFile; 624 625 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 626 627 public static final class SharedLibraryEntry { 628 public final String path; 629 public final String apk; 630 631 SharedLibraryEntry(String _path, String _apk) { 632 path = _path; 633 apk = _apk; 634 } 635 } 636 637 // Currently known shared libraries. 638 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 639 new ArrayMap<String, SharedLibraryEntry>(); 640 641 // All available activities, for your resolving pleasure. 642 final ActivityIntentResolver mActivities = 643 new ActivityIntentResolver(); 644 645 // All available receivers, for your resolving pleasure. 646 final ActivityIntentResolver mReceivers = 647 new ActivityIntentResolver(); 648 649 // All available services, for your resolving pleasure. 650 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 651 652 // All available providers, for your resolving pleasure. 653 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 654 655 // Mapping from provider base names (first directory in content URI codePath) 656 // to the provider information. 657 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 658 new ArrayMap<String, PackageParser.Provider>(); 659 660 // Mapping from instrumentation class names to info about them. 661 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 662 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 663 664 // Mapping from permission names to info about them. 665 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 666 new ArrayMap<String, PackageParser.PermissionGroup>(); 667 668 // Packages whose data we have transfered into another package, thus 669 // should no longer exist. 670 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 671 672 // Broadcast actions that are only available to the system. 673 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 674 675 /** List of packages waiting for verification. */ 676 final SparseArray<PackageVerificationState> mPendingVerification 677 = new SparseArray<PackageVerificationState>(); 678 679 /** Set of packages associated with each app op permission. */ 680 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 681 682 final PackageInstallerService mInstallerService; 683 684 private final PackageDexOptimizer mPackageDexOptimizer; 685 686 private AtomicInteger mNextMoveId = new AtomicInteger(); 687 private final MoveCallbacks mMoveCallbacks; 688 689 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 690 691 // Cache of users who need badging. 692 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 693 694 /** Token for keys in mPendingVerification. */ 695 private int mPendingVerificationToken = 0; 696 697 volatile boolean mSystemReady; 698 volatile boolean mSafeMode; 699 volatile boolean mHasSystemUidErrors; 700 701 ApplicationInfo mAndroidApplication; 702 final ActivityInfo mResolveActivity = new ActivityInfo(); 703 final ResolveInfo mResolveInfo = new ResolveInfo(); 704 ComponentName mResolveComponentName; 705 PackageParser.Package mPlatformPackage; 706 ComponentName mCustomResolverComponentName; 707 708 boolean mResolverReplaced = false; 709 710 private final @Nullable ComponentName mIntentFilterVerifierComponent; 711 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 712 713 private int mIntentFilterVerificationToken = 0; 714 715 /** Component that knows whether or not an ephemeral application exists */ 716 final ComponentName mEphemeralResolverComponent; 717 /** The service connection to the ephemeral resolver */ 718 final EphemeralResolverConnection mEphemeralResolverConnection; 719 720 /** Component used to install ephemeral applications */ 721 final ComponentName mEphemeralInstallerComponent; 722 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 723 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 724 725 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 726 = new SparseArray<IntentFilterVerificationState>(); 727 728 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 729 new DefaultPermissionGrantPolicy(this); 730 731 // List of packages names to keep cached, even if they are uninstalled for all users 732 private List<String> mKeepUninstalledPackages; 733 734 private static class IFVerificationParams { 735 PackageParser.Package pkg; 736 boolean replacing; 737 int userId; 738 int verifierUid; 739 740 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 741 int _userId, int _verifierUid) { 742 pkg = _pkg; 743 replacing = _replacing; 744 userId = _userId; 745 replacing = _replacing; 746 verifierUid = _verifierUid; 747 } 748 } 749 750 private interface IntentFilterVerifier<T extends IntentFilter> { 751 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 752 T filter, String packageName); 753 void startVerifications(int userId); 754 void receiveVerificationResponse(int verificationId); 755 } 756 757 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 758 private Context mContext; 759 private ComponentName mIntentFilterVerifierComponent; 760 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 761 762 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 763 mContext = context; 764 mIntentFilterVerifierComponent = verifierComponent; 765 } 766 767 private String getDefaultScheme() { 768 return IntentFilter.SCHEME_HTTPS; 769 } 770 771 @Override 772 public void startVerifications(int userId) { 773 // Launch verifications requests 774 int count = mCurrentIntentFilterVerifications.size(); 775 for (int n=0; n<count; n++) { 776 int verificationId = mCurrentIntentFilterVerifications.get(n); 777 final IntentFilterVerificationState ivs = 778 mIntentFilterVerificationStates.get(verificationId); 779 780 String packageName = ivs.getPackageName(); 781 782 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 783 final int filterCount = filters.size(); 784 ArraySet<String> domainsSet = new ArraySet<>(); 785 for (int m=0; m<filterCount; m++) { 786 PackageParser.ActivityIntentInfo filter = filters.get(m); 787 domainsSet.addAll(filter.getHostsList()); 788 } 789 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 790 synchronized (mPackages) { 791 if (mSettings.createIntentFilterVerificationIfNeededLPw( 792 packageName, domainsList) != null) { 793 scheduleWriteSettingsLocked(); 794 } 795 } 796 sendVerificationRequest(userId, verificationId, ivs); 797 } 798 mCurrentIntentFilterVerifications.clear(); 799 } 800 801 private void sendVerificationRequest(int userId, int verificationId, 802 IntentFilterVerificationState ivs) { 803 804 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 805 verificationIntent.putExtra( 806 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 807 verificationId); 808 verificationIntent.putExtra( 809 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 810 getDefaultScheme()); 811 verificationIntent.putExtra( 812 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 813 ivs.getHostsString()); 814 verificationIntent.putExtra( 815 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 816 ivs.getPackageName()); 817 verificationIntent.setComponent(mIntentFilterVerifierComponent); 818 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 819 820 UserHandle user = new UserHandle(userId); 821 mContext.sendBroadcastAsUser(verificationIntent, user); 822 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 823 "Sending IntentFilter verification broadcast"); 824 } 825 826 public void receiveVerificationResponse(int verificationId) { 827 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 828 829 final boolean verified = ivs.isVerified(); 830 831 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 832 final int count = filters.size(); 833 if (DEBUG_DOMAIN_VERIFICATION) { 834 Slog.i(TAG, "Received verification response " + verificationId 835 + " for " + count + " filters, verified=" + verified); 836 } 837 for (int n=0; n<count; n++) { 838 PackageParser.ActivityIntentInfo filter = filters.get(n); 839 filter.setVerified(verified); 840 841 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 842 + " verified with result:" + verified + " and hosts:" 843 + ivs.getHostsString()); 844 } 845 846 mIntentFilterVerificationStates.remove(verificationId); 847 848 final String packageName = ivs.getPackageName(); 849 IntentFilterVerificationInfo ivi = null; 850 851 synchronized (mPackages) { 852 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 853 } 854 if (ivi == null) { 855 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 856 + verificationId + " packageName:" + packageName); 857 return; 858 } 859 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 860 "Updating IntentFilterVerificationInfo for package " + packageName 861 +" verificationId:" + verificationId); 862 863 synchronized (mPackages) { 864 if (verified) { 865 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 866 } else { 867 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 868 } 869 scheduleWriteSettingsLocked(); 870 871 final int userId = ivs.getUserId(); 872 if (userId != UserHandle.USER_ALL) { 873 final int userStatus = 874 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 875 876 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 877 boolean needUpdate = false; 878 879 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 880 // already been set by the User thru the Disambiguation dialog 881 switch (userStatus) { 882 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 883 if (verified) { 884 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 885 } else { 886 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 887 } 888 needUpdate = true; 889 break; 890 891 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 892 if (verified) { 893 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 894 needUpdate = true; 895 } 896 break; 897 898 default: 899 // Nothing to do 900 } 901 902 if (needUpdate) { 903 mSettings.updateIntentFilterVerificationStatusLPw( 904 packageName, updatedStatus, userId); 905 scheduleWritePackageRestrictionsLocked(userId); 906 } 907 } 908 } 909 } 910 911 @Override 912 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 913 ActivityIntentInfo filter, String packageName) { 914 if (!hasValidDomains(filter)) { 915 return false; 916 } 917 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 918 if (ivs == null) { 919 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 920 packageName); 921 } 922 if (DEBUG_DOMAIN_VERIFICATION) { 923 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 924 } 925 ivs.addFilter(filter); 926 return true; 927 } 928 929 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 930 int userId, int verificationId, String packageName) { 931 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 932 verifierUid, userId, packageName); 933 ivs.setPendingState(); 934 synchronized (mPackages) { 935 mIntentFilterVerificationStates.append(verificationId, ivs); 936 mCurrentIntentFilterVerifications.add(verificationId); 937 } 938 return ivs; 939 } 940 } 941 942 private static boolean hasValidDomains(ActivityIntentInfo filter) { 943 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 944 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 945 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 946 } 947 948 // Set of pending broadcasts for aggregating enable/disable of components. 949 static class PendingPackageBroadcasts { 950 // for each user id, a map of <package name -> components within that package> 951 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 952 953 public PendingPackageBroadcasts() { 954 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 955 } 956 957 public ArrayList<String> get(int userId, String packageName) { 958 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 959 return packages.get(packageName); 960 } 961 962 public void put(int userId, String packageName, ArrayList<String> components) { 963 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 964 packages.put(packageName, components); 965 } 966 967 public void remove(int userId, String packageName) { 968 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 969 if (packages != null) { 970 packages.remove(packageName); 971 } 972 } 973 974 public void remove(int userId) { 975 mUidMap.remove(userId); 976 } 977 978 public int userIdCount() { 979 return mUidMap.size(); 980 } 981 982 public int userIdAt(int n) { 983 return mUidMap.keyAt(n); 984 } 985 986 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 987 return mUidMap.get(userId); 988 } 989 990 public int size() { 991 // total number of pending broadcast entries across all userIds 992 int num = 0; 993 for (int i = 0; i< mUidMap.size(); i++) { 994 num += mUidMap.valueAt(i).size(); 995 } 996 return num; 997 } 998 999 public void clear() { 1000 mUidMap.clear(); 1001 } 1002 1003 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1004 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1005 if (map == null) { 1006 map = new ArrayMap<String, ArrayList<String>>(); 1007 mUidMap.put(userId, map); 1008 } 1009 return map; 1010 } 1011 } 1012 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1013 1014 // Service Connection to remote media container service to copy 1015 // package uri's from external media onto secure containers 1016 // or internal storage. 1017 private IMediaContainerService mContainerService = null; 1018 1019 static final int SEND_PENDING_BROADCAST = 1; 1020 static final int MCS_BOUND = 3; 1021 static final int END_COPY = 4; 1022 static final int INIT_COPY = 5; 1023 static final int MCS_UNBIND = 6; 1024 static final int START_CLEANING_PACKAGE = 7; 1025 static final int FIND_INSTALL_LOC = 8; 1026 static final int POST_INSTALL = 9; 1027 static final int MCS_RECONNECT = 10; 1028 static final int MCS_GIVE_UP = 11; 1029 static final int UPDATED_MEDIA_STATUS = 12; 1030 static final int WRITE_SETTINGS = 13; 1031 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1032 static final int PACKAGE_VERIFIED = 15; 1033 static final int CHECK_PENDING_VERIFICATION = 16; 1034 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1035 static final int INTENT_FILTER_VERIFIED = 18; 1036 1037 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1038 1039 // Delay time in millisecs 1040 static final int BROADCAST_DELAY = 10 * 1000; 1041 1042 static UserManagerService sUserManager; 1043 1044 // Stores a list of users whose package restrictions file needs to be updated 1045 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1046 1047 final private DefaultContainerConnection mDefContainerConn = 1048 new DefaultContainerConnection(); 1049 class DefaultContainerConnection implements ServiceConnection { 1050 public void onServiceConnected(ComponentName name, IBinder service) { 1051 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1052 IMediaContainerService imcs = 1053 IMediaContainerService.Stub.asInterface(service); 1054 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1055 } 1056 1057 public void onServiceDisconnected(ComponentName name) { 1058 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1059 } 1060 } 1061 1062 // Recordkeeping of restore-after-install operations that are currently in flight 1063 // between the Package Manager and the Backup Manager 1064 static class PostInstallData { 1065 public InstallArgs args; 1066 public PackageInstalledInfo res; 1067 1068 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1069 args = _a; 1070 res = _r; 1071 } 1072 } 1073 1074 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1075 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1076 1077 // XML tags for backup/restore of various bits of state 1078 private static final String TAG_PREFERRED_BACKUP = "pa"; 1079 private static final String TAG_DEFAULT_APPS = "da"; 1080 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1081 1082 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1083 private static final String TAG_ALL_GRANTS = "rt-grants"; 1084 private static final String TAG_GRANT = "grant"; 1085 private static final String ATTR_PACKAGE_NAME = "pkg"; 1086 1087 private static final String TAG_PERMISSION = "perm"; 1088 private static final String ATTR_PERMISSION_NAME = "name"; 1089 private static final String ATTR_IS_GRANTED = "g"; 1090 private static final String ATTR_USER_SET = "set"; 1091 private static final String ATTR_USER_FIXED = "fixed"; 1092 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1093 1094 // System/policy permission grants are not backed up 1095 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1096 FLAG_PERMISSION_POLICY_FIXED 1097 | FLAG_PERMISSION_SYSTEM_FIXED 1098 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1099 1100 // And we back up these user-adjusted states 1101 private static final int USER_RUNTIME_GRANT_MASK = 1102 FLAG_PERMISSION_USER_SET 1103 | FLAG_PERMISSION_USER_FIXED 1104 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1105 1106 final @Nullable String mRequiredVerifierPackage; 1107 final @NonNull String mRequiredInstallerPackage; 1108 final @Nullable String mSetupWizardPackage; 1109 final @NonNull String mServicesSystemSharedLibraryPackageName; 1110 final @NonNull String mSharedSystemSharedLibraryPackageName; 1111 1112 private final PackageUsage mPackageUsage = new PackageUsage(); 1113 1114 private class PackageUsage { 1115 private static final int WRITE_INTERVAL 1116 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1117 1118 private final Object mFileLock = new Object(); 1119 private final AtomicLong mLastWritten = new AtomicLong(0); 1120 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1121 1122 private boolean mIsHistoricalPackageUsageAvailable = true; 1123 1124 boolean isHistoricalPackageUsageAvailable() { 1125 return mIsHistoricalPackageUsageAvailable; 1126 } 1127 1128 void write(boolean force) { 1129 if (force) { 1130 writeInternal(); 1131 return; 1132 } 1133 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1134 && !DEBUG_DEXOPT) { 1135 return; 1136 } 1137 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1138 new Thread("PackageUsage_DiskWriter") { 1139 @Override 1140 public void run() { 1141 try { 1142 writeInternal(); 1143 } finally { 1144 mBackgroundWriteRunning.set(false); 1145 } 1146 } 1147 }.start(); 1148 } 1149 } 1150 1151 private void writeInternal() { 1152 synchronized (mPackages) { 1153 synchronized (mFileLock) { 1154 AtomicFile file = getFile(); 1155 FileOutputStream f = null; 1156 try { 1157 f = file.startWrite(); 1158 BufferedOutputStream out = new BufferedOutputStream(f); 1159 FileUtils.setPermissions(file.getBaseFile().getPath(), 1160 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1161 StringBuilder sb = new StringBuilder(); 1162 1163 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1164 sb.append('\n'); 1165 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1166 1167 for (PackageParser.Package pkg : mPackages.values()) { 1168 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1169 continue; 1170 } 1171 sb.setLength(0); 1172 sb.append(pkg.packageName); 1173 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1174 sb.append(' '); 1175 sb.append(usageTimeInMillis); 1176 } 1177 sb.append('\n'); 1178 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1179 } 1180 out.flush(); 1181 file.finishWrite(f); 1182 } catch (IOException e) { 1183 if (f != null) { 1184 file.failWrite(f); 1185 } 1186 Log.e(TAG, "Failed to write package usage times", e); 1187 } 1188 } 1189 } 1190 mLastWritten.set(SystemClock.elapsedRealtime()); 1191 } 1192 1193 void readLP() { 1194 synchronized (mFileLock) { 1195 AtomicFile file = getFile(); 1196 BufferedInputStream in = null; 1197 try { 1198 in = new BufferedInputStream(file.openRead()); 1199 StringBuffer sb = new StringBuffer(); 1200 1201 String firstLine = readLine(in, sb); 1202 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1203 readVersion1LP(in, sb); 1204 } else { 1205 readVersion0LP(in, sb, firstLine); 1206 } 1207 } catch (FileNotFoundException expected) { 1208 mIsHistoricalPackageUsageAvailable = false; 1209 } catch (IOException e) { 1210 Log.w(TAG, "Failed to read package usage times", e); 1211 } finally { 1212 IoUtils.closeQuietly(in); 1213 } 1214 } 1215 mLastWritten.set(SystemClock.elapsedRealtime()); 1216 } 1217 1218 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1219 throws IOException { 1220 // Initial version of the file had no version number and stored one 1221 // package-timestamp pair per line. 1222 // Note that the first line has already been read from the InputStream. 1223 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1224 String[] tokens = line.split(" "); 1225 if (tokens.length != 2) { 1226 throw new IOException("Failed to parse " + line + 1227 " as package-timestamp pair."); 1228 } 1229 1230 String packageName = tokens[0]; 1231 PackageParser.Package pkg = mPackages.get(packageName); 1232 if (pkg == null) { 1233 continue; 1234 } 1235 1236 long timestamp = parseAsLong(tokens[1]); 1237 for (int reason = 0; 1238 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1239 reason++) { 1240 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1241 } 1242 } 1243 } 1244 1245 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1246 // Version 1 of the file started with the corresponding version 1247 // number and then stored a package name and eight timestamps per line. 1248 String line; 1249 while ((line = readLine(in, sb)) != null) { 1250 String[] tokens = line.split(" "); 1251 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1252 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1253 } 1254 1255 String packageName = tokens[0]; 1256 PackageParser.Package pkg = mPackages.get(packageName); 1257 if (pkg == null) { 1258 continue; 1259 } 1260 1261 for (int reason = 0; 1262 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1263 reason++) { 1264 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1265 } 1266 } 1267 } 1268 1269 private long parseAsLong(String token) throws IOException { 1270 try { 1271 return Long.parseLong(token); 1272 } catch (NumberFormatException e) { 1273 throw new IOException("Failed to parse " + token + " as a long.", e); 1274 } 1275 } 1276 1277 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1278 return readToken(in, sb, '\n'); 1279 } 1280 1281 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1282 throws IOException { 1283 sb.setLength(0); 1284 while (true) { 1285 int ch = in.read(); 1286 if (ch == -1) { 1287 if (sb.length() == 0) { 1288 return null; 1289 } 1290 throw new IOException("Unexpected EOF"); 1291 } 1292 if (ch == endOfToken) { 1293 return sb.toString(); 1294 } 1295 sb.append((char)ch); 1296 } 1297 } 1298 1299 private AtomicFile getFile() { 1300 File dataDir = Environment.getDataDirectory(); 1301 File systemDir = new File(dataDir, "system"); 1302 File fname = new File(systemDir, "package-usage.list"); 1303 return new AtomicFile(fname); 1304 } 1305 1306 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1307 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1308 } 1309 1310 class PackageHandler extends Handler { 1311 private boolean mBound = false; 1312 final ArrayList<HandlerParams> mPendingInstalls = 1313 new ArrayList<HandlerParams>(); 1314 1315 private boolean connectToService() { 1316 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1317 " DefaultContainerService"); 1318 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1319 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1320 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1321 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1322 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1323 mBound = true; 1324 return true; 1325 } 1326 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1327 return false; 1328 } 1329 1330 private void disconnectService() { 1331 mContainerService = null; 1332 mBound = false; 1333 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1334 mContext.unbindService(mDefContainerConn); 1335 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1336 } 1337 1338 PackageHandler(Looper looper) { 1339 super(looper); 1340 } 1341 1342 public void handleMessage(Message msg) { 1343 try { 1344 doHandleMessage(msg); 1345 } finally { 1346 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1347 } 1348 } 1349 1350 void doHandleMessage(Message msg) { 1351 switch (msg.what) { 1352 case INIT_COPY: { 1353 HandlerParams params = (HandlerParams) msg.obj; 1354 int idx = mPendingInstalls.size(); 1355 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1356 // If a bind was already initiated we dont really 1357 // need to do anything. The pending install 1358 // will be processed later on. 1359 if (!mBound) { 1360 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1361 System.identityHashCode(mHandler)); 1362 // If this is the only one pending we might 1363 // have to bind to the service again. 1364 if (!connectToService()) { 1365 Slog.e(TAG, "Failed to bind to media container service"); 1366 params.serviceError(); 1367 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1368 System.identityHashCode(mHandler)); 1369 if (params.traceMethod != null) { 1370 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1371 params.traceCookie); 1372 } 1373 return; 1374 } else { 1375 // Once we bind to the service, the first 1376 // pending request will be processed. 1377 mPendingInstalls.add(idx, params); 1378 } 1379 } else { 1380 mPendingInstalls.add(idx, params); 1381 // Already bound to the service. Just make 1382 // sure we trigger off processing the first request. 1383 if (idx == 0) { 1384 mHandler.sendEmptyMessage(MCS_BOUND); 1385 } 1386 } 1387 break; 1388 } 1389 case MCS_BOUND: { 1390 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1391 if (msg.obj != null) { 1392 mContainerService = (IMediaContainerService) msg.obj; 1393 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1394 System.identityHashCode(mHandler)); 1395 } 1396 if (mContainerService == null) { 1397 if (!mBound) { 1398 // Something seriously wrong since we are not bound and we are not 1399 // waiting for connection. Bail out. 1400 Slog.e(TAG, "Cannot bind to media container service"); 1401 for (HandlerParams params : mPendingInstalls) { 1402 // Indicate service bind error 1403 params.serviceError(); 1404 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1405 System.identityHashCode(params)); 1406 if (params.traceMethod != null) { 1407 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1408 params.traceMethod, params.traceCookie); 1409 } 1410 return; 1411 } 1412 mPendingInstalls.clear(); 1413 } else { 1414 Slog.w(TAG, "Waiting to connect to media container service"); 1415 } 1416 } else if (mPendingInstalls.size() > 0) { 1417 HandlerParams params = mPendingInstalls.get(0); 1418 if (params != null) { 1419 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1420 System.identityHashCode(params)); 1421 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1422 if (params.startCopy()) { 1423 // We are done... look for more work or to 1424 // go idle. 1425 if (DEBUG_SD_INSTALL) Log.i(TAG, 1426 "Checking for more work or unbind..."); 1427 // Delete pending install 1428 if (mPendingInstalls.size() > 0) { 1429 mPendingInstalls.remove(0); 1430 } 1431 if (mPendingInstalls.size() == 0) { 1432 if (mBound) { 1433 if (DEBUG_SD_INSTALL) Log.i(TAG, 1434 "Posting delayed MCS_UNBIND"); 1435 removeMessages(MCS_UNBIND); 1436 Message ubmsg = obtainMessage(MCS_UNBIND); 1437 // Unbind after a little delay, to avoid 1438 // continual thrashing. 1439 sendMessageDelayed(ubmsg, 10000); 1440 } 1441 } else { 1442 // There are more pending requests in queue. 1443 // Just post MCS_BOUND message to trigger processing 1444 // of next pending install. 1445 if (DEBUG_SD_INSTALL) Log.i(TAG, 1446 "Posting MCS_BOUND for next work"); 1447 mHandler.sendEmptyMessage(MCS_BOUND); 1448 } 1449 } 1450 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1451 } 1452 } else { 1453 // Should never happen ideally. 1454 Slog.w(TAG, "Empty queue"); 1455 } 1456 break; 1457 } 1458 case MCS_RECONNECT: { 1459 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1460 if (mPendingInstalls.size() > 0) { 1461 if (mBound) { 1462 disconnectService(); 1463 } 1464 if (!connectToService()) { 1465 Slog.e(TAG, "Failed to bind to media container service"); 1466 for (HandlerParams params : mPendingInstalls) { 1467 // Indicate service bind error 1468 params.serviceError(); 1469 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1470 System.identityHashCode(params)); 1471 } 1472 mPendingInstalls.clear(); 1473 } 1474 } 1475 break; 1476 } 1477 case MCS_UNBIND: { 1478 // If there is no actual work left, then time to unbind. 1479 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1480 1481 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1482 if (mBound) { 1483 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1484 1485 disconnectService(); 1486 } 1487 } else if (mPendingInstalls.size() > 0) { 1488 // There are more pending requests in queue. 1489 // Just post MCS_BOUND message to trigger processing 1490 // of next pending install. 1491 mHandler.sendEmptyMessage(MCS_BOUND); 1492 } 1493 1494 break; 1495 } 1496 case MCS_GIVE_UP: { 1497 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1498 HandlerParams params = mPendingInstalls.remove(0); 1499 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1500 System.identityHashCode(params)); 1501 break; 1502 } 1503 case SEND_PENDING_BROADCAST: { 1504 String packages[]; 1505 ArrayList<String> components[]; 1506 int size = 0; 1507 int uids[]; 1508 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1509 synchronized (mPackages) { 1510 if (mPendingBroadcasts == null) { 1511 return; 1512 } 1513 size = mPendingBroadcasts.size(); 1514 if (size <= 0) { 1515 // Nothing to be done. Just return 1516 return; 1517 } 1518 packages = new String[size]; 1519 components = new ArrayList[size]; 1520 uids = new int[size]; 1521 int i = 0; // filling out the above arrays 1522 1523 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1524 int packageUserId = mPendingBroadcasts.userIdAt(n); 1525 Iterator<Map.Entry<String, ArrayList<String>>> it 1526 = mPendingBroadcasts.packagesForUserId(packageUserId) 1527 .entrySet().iterator(); 1528 while (it.hasNext() && i < size) { 1529 Map.Entry<String, ArrayList<String>> ent = it.next(); 1530 packages[i] = ent.getKey(); 1531 components[i] = ent.getValue(); 1532 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1533 uids[i] = (ps != null) 1534 ? UserHandle.getUid(packageUserId, ps.appId) 1535 : -1; 1536 i++; 1537 } 1538 } 1539 size = i; 1540 mPendingBroadcasts.clear(); 1541 } 1542 // Send broadcasts 1543 for (int i = 0; i < size; i++) { 1544 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1545 } 1546 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1547 break; 1548 } 1549 case START_CLEANING_PACKAGE: { 1550 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1551 final String packageName = (String)msg.obj; 1552 final int userId = msg.arg1; 1553 final boolean andCode = msg.arg2 != 0; 1554 synchronized (mPackages) { 1555 if (userId == UserHandle.USER_ALL) { 1556 int[] users = sUserManager.getUserIds(); 1557 for (int user : users) { 1558 mSettings.addPackageToCleanLPw( 1559 new PackageCleanItem(user, packageName, andCode)); 1560 } 1561 } else { 1562 mSettings.addPackageToCleanLPw( 1563 new PackageCleanItem(userId, packageName, andCode)); 1564 } 1565 } 1566 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1567 startCleaningPackages(); 1568 } break; 1569 case POST_INSTALL: { 1570 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1571 1572 PostInstallData data = mRunningInstalls.get(msg.arg1); 1573 final boolean didRestore = (msg.arg2 != 0); 1574 mRunningInstalls.delete(msg.arg1); 1575 1576 if (data != null) { 1577 InstallArgs args = data.args; 1578 PackageInstalledInfo parentRes = data.res; 1579 1580 final boolean grantPermissions = (args.installFlags 1581 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1582 final boolean killApp = (args.installFlags 1583 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1584 final String[] grantedPermissions = args.installGrantPermissions; 1585 1586 // Handle the parent package 1587 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1588 grantedPermissions, didRestore, args.installerPackageName, 1589 args.observer); 1590 1591 // Handle the child packages 1592 final int childCount = (parentRes.addedChildPackages != null) 1593 ? parentRes.addedChildPackages.size() : 0; 1594 for (int i = 0; i < childCount; i++) { 1595 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1596 handlePackagePostInstall(childRes, grantPermissions, killApp, 1597 grantedPermissions, false, args.installerPackageName, 1598 args.observer); 1599 } 1600 1601 // Log tracing if needed 1602 if (args.traceMethod != null) { 1603 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1604 args.traceCookie); 1605 } 1606 } else { 1607 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1608 } 1609 1610 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1611 } break; 1612 case UPDATED_MEDIA_STATUS: { 1613 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1614 boolean reportStatus = msg.arg1 == 1; 1615 boolean doGc = msg.arg2 == 1; 1616 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1617 if (doGc) { 1618 // Force a gc to clear up stale containers. 1619 Runtime.getRuntime().gc(); 1620 } 1621 if (msg.obj != null) { 1622 @SuppressWarnings("unchecked") 1623 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1624 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1625 // Unload containers 1626 unloadAllContainers(args); 1627 } 1628 if (reportStatus) { 1629 try { 1630 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1631 PackageHelper.getMountService().finishMediaUpdate(); 1632 } catch (RemoteException e) { 1633 Log.e(TAG, "MountService not running?"); 1634 } 1635 } 1636 } break; 1637 case WRITE_SETTINGS: { 1638 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1639 synchronized (mPackages) { 1640 removeMessages(WRITE_SETTINGS); 1641 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1642 mSettings.writeLPr(); 1643 mDirtyUsers.clear(); 1644 } 1645 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1646 } break; 1647 case WRITE_PACKAGE_RESTRICTIONS: { 1648 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1649 synchronized (mPackages) { 1650 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1651 for (int userId : mDirtyUsers) { 1652 mSettings.writePackageRestrictionsLPr(userId); 1653 } 1654 mDirtyUsers.clear(); 1655 } 1656 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1657 } break; 1658 case CHECK_PENDING_VERIFICATION: { 1659 final int verificationId = msg.arg1; 1660 final PackageVerificationState state = mPendingVerification.get(verificationId); 1661 1662 if ((state != null) && !state.timeoutExtended()) { 1663 final InstallArgs args = state.getInstallArgs(); 1664 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1665 1666 Slog.i(TAG, "Verification timed out for " + originUri); 1667 mPendingVerification.remove(verificationId); 1668 1669 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1670 1671 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1672 Slog.i(TAG, "Continuing with installation of " + originUri); 1673 state.setVerifierResponse(Binder.getCallingUid(), 1674 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1675 broadcastPackageVerified(verificationId, originUri, 1676 PackageManager.VERIFICATION_ALLOW, 1677 state.getInstallArgs().getUser()); 1678 try { 1679 ret = args.copyApk(mContainerService, true); 1680 } catch (RemoteException e) { 1681 Slog.e(TAG, "Could not contact the ContainerService"); 1682 } 1683 } else { 1684 broadcastPackageVerified(verificationId, originUri, 1685 PackageManager.VERIFICATION_REJECT, 1686 state.getInstallArgs().getUser()); 1687 } 1688 1689 Trace.asyncTraceEnd( 1690 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1691 1692 processPendingInstall(args, ret); 1693 mHandler.sendEmptyMessage(MCS_UNBIND); 1694 } 1695 break; 1696 } 1697 case PACKAGE_VERIFIED: { 1698 final int verificationId = msg.arg1; 1699 1700 final PackageVerificationState state = mPendingVerification.get(verificationId); 1701 if (state == null) { 1702 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1703 break; 1704 } 1705 1706 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1707 1708 state.setVerifierResponse(response.callerUid, response.code); 1709 1710 if (state.isVerificationComplete()) { 1711 mPendingVerification.remove(verificationId); 1712 1713 final InstallArgs args = state.getInstallArgs(); 1714 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1715 1716 int ret; 1717 if (state.isInstallAllowed()) { 1718 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1719 broadcastPackageVerified(verificationId, originUri, 1720 response.code, state.getInstallArgs().getUser()); 1721 try { 1722 ret = args.copyApk(mContainerService, true); 1723 } catch (RemoteException e) { 1724 Slog.e(TAG, "Could not contact the ContainerService"); 1725 } 1726 } else { 1727 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1728 } 1729 1730 Trace.asyncTraceEnd( 1731 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1732 1733 processPendingInstall(args, ret); 1734 mHandler.sendEmptyMessage(MCS_UNBIND); 1735 } 1736 1737 break; 1738 } 1739 case START_INTENT_FILTER_VERIFICATIONS: { 1740 IFVerificationParams params = (IFVerificationParams) msg.obj; 1741 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1742 params.replacing, params.pkg); 1743 break; 1744 } 1745 case INTENT_FILTER_VERIFIED: { 1746 final int verificationId = msg.arg1; 1747 1748 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1749 verificationId); 1750 if (state == null) { 1751 Slog.w(TAG, "Invalid IntentFilter verification token " 1752 + verificationId + " received"); 1753 break; 1754 } 1755 1756 final int userId = state.getUserId(); 1757 1758 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1759 "Processing IntentFilter verification with token:" 1760 + verificationId + " and userId:" + userId); 1761 1762 final IntentFilterVerificationResponse response = 1763 (IntentFilterVerificationResponse) msg.obj; 1764 1765 state.setVerifierResponse(response.callerUid, response.code); 1766 1767 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1768 "IntentFilter verification with token:" + verificationId 1769 + " and userId:" + userId 1770 + " is settings verifier response with response code:" 1771 + response.code); 1772 1773 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1774 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1775 + response.getFailedDomainsString()); 1776 } 1777 1778 if (state.isVerificationComplete()) { 1779 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1780 } else { 1781 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1782 "IntentFilter verification with token:" + verificationId 1783 + " was not said to be complete"); 1784 } 1785 1786 break; 1787 } 1788 } 1789 } 1790 } 1791 1792 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1793 boolean killApp, String[] grantedPermissions, 1794 boolean launchedForRestore, String installerPackage, 1795 IPackageInstallObserver2 installObserver) { 1796 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1797 // Send the removed broadcasts 1798 if (res.removedInfo != null) { 1799 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1800 } 1801 1802 // Now that we successfully installed the package, grant runtime 1803 // permissions if requested before broadcasting the install. 1804 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1805 >= Build.VERSION_CODES.M) { 1806 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1807 } 1808 1809 final boolean update = res.removedInfo != null 1810 && res.removedInfo.removedPackage != null; 1811 1812 // If this is the first time we have child packages for a disabled privileged 1813 // app that had no children, we grant requested runtime permissions to the new 1814 // children if the parent on the system image had them already granted. 1815 if (res.pkg.parentPackage != null) { 1816 synchronized (mPackages) { 1817 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1818 } 1819 } 1820 1821 synchronized (mPackages) { 1822 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1823 } 1824 1825 final String packageName = res.pkg.applicationInfo.packageName; 1826 Bundle extras = new Bundle(1); 1827 extras.putInt(Intent.EXTRA_UID, res.uid); 1828 1829 // Determine the set of users who are adding this package for 1830 // the first time vs. those who are seeing an update. 1831 int[] firstUsers = EMPTY_INT_ARRAY; 1832 int[] updateUsers = EMPTY_INT_ARRAY; 1833 if (res.origUsers == null || res.origUsers.length == 0) { 1834 firstUsers = res.newUsers; 1835 } else { 1836 for (int newUser : res.newUsers) { 1837 boolean isNew = true; 1838 for (int origUser : res.origUsers) { 1839 if (origUser == newUser) { 1840 isNew = false; 1841 break; 1842 } 1843 } 1844 if (isNew) { 1845 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1846 } else { 1847 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1848 } 1849 } 1850 } 1851 1852 // Send installed broadcasts if the install/update is not ephemeral 1853 if (!isEphemeral(res.pkg)) { 1854 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1855 1856 // Send added for users that see the package for the first time 1857 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1858 extras, 0 /*flags*/, null /*targetPackage*/, 1859 null /*finishedReceiver*/, firstUsers); 1860 1861 // Send added for users that don't see the package for the first time 1862 if (update) { 1863 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1864 } 1865 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1866 extras, 0 /*flags*/, null /*targetPackage*/, 1867 null /*finishedReceiver*/, updateUsers); 1868 1869 // Send replaced for users that don't see the package for the first time 1870 if (update) { 1871 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1872 packageName, extras, 0 /*flags*/, 1873 null /*targetPackage*/, null /*finishedReceiver*/, 1874 updateUsers); 1875 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1876 null /*package*/, null /*extras*/, 0 /*flags*/, 1877 packageName /*targetPackage*/, 1878 null /*finishedReceiver*/, updateUsers); 1879 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1880 // First-install and we did a restore, so we're responsible for the 1881 // first-launch broadcast. 1882 if (DEBUG_BACKUP) { 1883 Slog.i(TAG, "Post-restore of " + packageName 1884 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1885 } 1886 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1887 } 1888 1889 // Send broadcast package appeared if forward locked/external for all users 1890 // treat asec-hosted packages like removable media on upgrade 1891 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1892 if (DEBUG_INSTALL) { 1893 Slog.i(TAG, "upgrading pkg " + res.pkg 1894 + " is ASEC-hosted -> AVAILABLE"); 1895 } 1896 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1897 ArrayList<String> pkgList = new ArrayList<>(1); 1898 pkgList.add(packageName); 1899 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1900 } 1901 } 1902 1903 // Work that needs to happen on first install within each user 1904 if (firstUsers != null && firstUsers.length > 0) { 1905 synchronized (mPackages) { 1906 for (int userId : firstUsers) { 1907 // If this app is a browser and it's newly-installed for some 1908 // users, clear any default-browser state in those users. The 1909 // app's nature doesn't depend on the user, so we can just check 1910 // its browser nature in any user and generalize. 1911 if (packageIsBrowser(packageName, userId)) { 1912 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1913 } 1914 1915 // We may also need to apply pending (restored) runtime 1916 // permission grants within these users. 1917 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1918 } 1919 } 1920 } 1921 1922 // Log current value of "unknown sources" setting 1923 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1924 getUnknownSourcesSettings()); 1925 1926 // Force a gc to clear up things 1927 Runtime.getRuntime().gc(); 1928 1929 // Remove the replaced package's older resources safely now 1930 // We delete after a gc for applications on sdcard. 1931 if (res.removedInfo != null && res.removedInfo.args != null) { 1932 synchronized (mInstallLock) { 1933 res.removedInfo.args.doPostDeleteLI(true); 1934 } 1935 } 1936 } 1937 1938 // If someone is watching installs - notify them 1939 if (installObserver != null) { 1940 try { 1941 Bundle extras = extrasForInstallResult(res); 1942 installObserver.onPackageInstalled(res.name, res.returnCode, 1943 res.returnMsg, extras); 1944 } catch (RemoteException e) { 1945 Slog.i(TAG, "Observer no longer exists."); 1946 } 1947 } 1948 } 1949 1950 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1951 PackageParser.Package pkg) { 1952 if (pkg.parentPackage == null) { 1953 return; 1954 } 1955 if (pkg.requestedPermissions == null) { 1956 return; 1957 } 1958 final PackageSetting disabledSysParentPs = mSettings 1959 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1960 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1961 || !disabledSysParentPs.isPrivileged() 1962 || (disabledSysParentPs.childPackageNames != null 1963 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1964 return; 1965 } 1966 final int[] allUserIds = sUserManager.getUserIds(); 1967 final int permCount = pkg.requestedPermissions.size(); 1968 for (int i = 0; i < permCount; i++) { 1969 String permission = pkg.requestedPermissions.get(i); 1970 BasePermission bp = mSettings.mPermissions.get(permission); 1971 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1972 continue; 1973 } 1974 for (int userId : allUserIds) { 1975 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1976 permission, userId)) { 1977 grantRuntimePermission(pkg.packageName, permission, userId); 1978 } 1979 } 1980 } 1981 } 1982 1983 private StorageEventListener mStorageListener = new StorageEventListener() { 1984 @Override 1985 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1986 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1987 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1988 final String volumeUuid = vol.getFsUuid(); 1989 1990 // Clean up any users or apps that were removed or recreated 1991 // while this volume was missing 1992 reconcileUsers(volumeUuid); 1993 reconcileApps(volumeUuid); 1994 1995 // Clean up any install sessions that expired or were 1996 // cancelled while this volume was missing 1997 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1998 1999 loadPrivatePackages(vol); 2000 2001 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2002 unloadPrivatePackages(vol); 2003 } 2004 } 2005 2006 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2007 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2008 updateExternalMediaStatus(true, false); 2009 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2010 updateExternalMediaStatus(false, false); 2011 } 2012 } 2013 } 2014 2015 @Override 2016 public void onVolumeForgotten(String fsUuid) { 2017 if (TextUtils.isEmpty(fsUuid)) { 2018 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2019 return; 2020 } 2021 2022 // Remove any apps installed on the forgotten volume 2023 synchronized (mPackages) { 2024 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2025 for (PackageSetting ps : packages) { 2026 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2027 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2028 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2029 } 2030 2031 mSettings.onVolumeForgotten(fsUuid); 2032 mSettings.writeLPr(); 2033 } 2034 } 2035 }; 2036 2037 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2038 String[] grantedPermissions) { 2039 for (int userId : userIds) { 2040 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2041 } 2042 2043 // We could have touched GID membership, so flush out packages.list 2044 synchronized (mPackages) { 2045 mSettings.writePackageListLPr(); 2046 } 2047 } 2048 2049 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2050 String[] grantedPermissions) { 2051 SettingBase sb = (SettingBase) pkg.mExtras; 2052 if (sb == null) { 2053 return; 2054 } 2055 2056 PermissionsState permissionsState = sb.getPermissionsState(); 2057 2058 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2059 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2060 2061 for (String permission : pkg.requestedPermissions) { 2062 final BasePermission bp; 2063 synchronized (mPackages) { 2064 bp = mSettings.mPermissions.get(permission); 2065 } 2066 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2067 && (grantedPermissions == null 2068 || ArrayUtils.contains(grantedPermissions, permission))) { 2069 final int flags = permissionsState.getPermissionFlags(permission, userId); 2070 // Installer cannot change immutable permissions. 2071 if ((flags & immutableFlags) == 0) { 2072 grantRuntimePermission(pkg.packageName, permission, userId); 2073 } 2074 } 2075 } 2076 } 2077 2078 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2079 Bundle extras = null; 2080 switch (res.returnCode) { 2081 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2082 extras = new Bundle(); 2083 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2084 res.origPermission); 2085 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2086 res.origPackage); 2087 break; 2088 } 2089 case PackageManager.INSTALL_SUCCEEDED: { 2090 extras = new Bundle(); 2091 extras.putBoolean(Intent.EXTRA_REPLACING, 2092 res.removedInfo != null && res.removedInfo.removedPackage != null); 2093 break; 2094 } 2095 } 2096 return extras; 2097 } 2098 2099 void scheduleWriteSettingsLocked() { 2100 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2101 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2102 } 2103 } 2104 2105 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2106 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2107 scheduleWritePackageRestrictionsLocked(userId); 2108 } 2109 2110 void scheduleWritePackageRestrictionsLocked(int userId) { 2111 final int[] userIds = (userId == UserHandle.USER_ALL) 2112 ? sUserManager.getUserIds() : new int[]{userId}; 2113 for (int nextUserId : userIds) { 2114 if (!sUserManager.exists(nextUserId)) return; 2115 mDirtyUsers.add(nextUserId); 2116 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2117 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2118 } 2119 } 2120 } 2121 2122 public static PackageManagerService main(Context context, Installer installer, 2123 boolean factoryTest, boolean onlyCore) { 2124 // Self-check for initial settings. 2125 PackageManagerServiceCompilerMapping.checkProperties(); 2126 2127 PackageManagerService m = new PackageManagerService(context, installer, 2128 factoryTest, onlyCore); 2129 m.enableSystemUserPackages(); 2130 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2131 // disabled after already being started. 2132 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2133 UserHandle.USER_SYSTEM); 2134 ServiceManager.addService("package", m); 2135 return m; 2136 } 2137 2138 private void enableSystemUserPackages() { 2139 if (!UserManager.isSplitSystemUser()) { 2140 return; 2141 } 2142 // For system user, enable apps based on the following conditions: 2143 // - app is whitelisted or belong to one of these groups: 2144 // -- system app which has no launcher icons 2145 // -- system app which has INTERACT_ACROSS_USERS permission 2146 // -- system IME app 2147 // - app is not in the blacklist 2148 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2149 Set<String> enableApps = new ArraySet<>(); 2150 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2151 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2152 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2153 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2154 enableApps.addAll(wlApps); 2155 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2156 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2157 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2158 enableApps.removeAll(blApps); 2159 Log.i(TAG, "Applications installed for system user: " + enableApps); 2160 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2161 UserHandle.SYSTEM); 2162 final int allAppsSize = allAps.size(); 2163 synchronized (mPackages) { 2164 for (int i = 0; i < allAppsSize; i++) { 2165 String pName = allAps.get(i); 2166 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2167 // Should not happen, but we shouldn't be failing if it does 2168 if (pkgSetting == null) { 2169 continue; 2170 } 2171 boolean install = enableApps.contains(pName); 2172 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2173 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2174 + " for system user"); 2175 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2176 } 2177 } 2178 } 2179 } 2180 2181 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2182 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2183 Context.DISPLAY_SERVICE); 2184 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2185 } 2186 2187 public PackageManagerService(Context context, Installer installer, 2188 boolean factoryTest, boolean onlyCore) { 2189 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2190 SystemClock.uptimeMillis()); 2191 2192 if (mSdkVersion <= 0) { 2193 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2194 } 2195 2196 mContext = context; 2197 mFactoryTest = factoryTest; 2198 mOnlyCore = onlyCore; 2199 mMetrics = new DisplayMetrics(); 2200 mSettings = new Settings(mPackages); 2201 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2202 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2203 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2204 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2205 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2206 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2207 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2208 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2209 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2210 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2211 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2212 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2213 2214 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2215 if (separateProcesses != null && separateProcesses.length() > 0) { 2216 if ("*".equals(separateProcesses)) { 2217 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2218 mSeparateProcesses = null; 2219 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2220 } else { 2221 mDefParseFlags = 0; 2222 mSeparateProcesses = separateProcesses.split(","); 2223 Slog.w(TAG, "Running with debug.separate_processes: " 2224 + separateProcesses); 2225 } 2226 } else { 2227 mDefParseFlags = 0; 2228 mSeparateProcesses = null; 2229 } 2230 2231 mInstaller = installer; 2232 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2233 "*dexopt*"); 2234 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2235 2236 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2237 FgThread.get().getLooper()); 2238 2239 getDefaultDisplayMetrics(context, mMetrics); 2240 2241 SystemConfig systemConfig = SystemConfig.getInstance(); 2242 mGlobalGids = systemConfig.getGlobalGids(); 2243 mSystemPermissions = systemConfig.getSystemPermissions(); 2244 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2245 2246 synchronized (mInstallLock) { 2247 // writer 2248 synchronized (mPackages) { 2249 mHandlerThread = new ServiceThread(TAG, 2250 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2251 mHandlerThread.start(); 2252 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2253 mProcessLoggingHandler = new ProcessLoggingHandler(); 2254 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2255 2256 File dataDir = Environment.getDataDirectory(); 2257 mAppInstallDir = new File(dataDir, "app"); 2258 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2259 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2260 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2261 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2262 2263 sUserManager = new UserManagerService(context, this, mPackages); 2264 2265 // Propagate permission configuration in to package manager. 2266 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2267 = systemConfig.getPermissions(); 2268 for (int i=0; i<permConfig.size(); i++) { 2269 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2270 BasePermission bp = mSettings.mPermissions.get(perm.name); 2271 if (bp == null) { 2272 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2273 mSettings.mPermissions.put(perm.name, bp); 2274 } 2275 if (perm.gids != null) { 2276 bp.setGids(perm.gids, perm.perUser); 2277 } 2278 } 2279 2280 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2281 for (int i=0; i<libConfig.size(); i++) { 2282 mSharedLibraries.put(libConfig.keyAt(i), 2283 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2284 } 2285 2286 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2287 2288 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2289 2290 String customResolverActivity = Resources.getSystem().getString( 2291 R.string.config_customResolverActivity); 2292 if (TextUtils.isEmpty(customResolverActivity)) { 2293 customResolverActivity = null; 2294 } else { 2295 mCustomResolverComponentName = ComponentName.unflattenFromString( 2296 customResolverActivity); 2297 } 2298 2299 long startTime = SystemClock.uptimeMillis(); 2300 2301 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2302 startTime); 2303 2304 // Set flag to monitor and not change apk file paths when 2305 // scanning install directories. 2306 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2307 2308 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2309 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2310 2311 if (bootClassPath == null) { 2312 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2313 } 2314 2315 if (systemServerClassPath == null) { 2316 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2317 } 2318 2319 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2320 final String[] dexCodeInstructionSets = 2321 getDexCodeInstructionSets( 2322 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2323 2324 /** 2325 * Ensure all external libraries have had dexopt run on them. 2326 */ 2327 if (mSharedLibraries.size() > 0) { 2328 // NOTE: For now, we're compiling these system "shared libraries" 2329 // (and framework jars) into all available architectures. It's possible 2330 // to compile them only when we come across an app that uses them (there's 2331 // already logic for that in scanPackageLI) but that adds some complexity. 2332 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2333 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2334 final String lib = libEntry.path; 2335 if (lib == null) { 2336 continue; 2337 } 2338 2339 try { 2340 // Shared libraries do not have profiles so we perform a full 2341 // AOT compilation (if needed). 2342 int dexoptNeeded = DexFile.getDexOptNeeded( 2343 lib, dexCodeInstructionSet, 2344 getCompilerFilterForReason(REASON_SHARED_APK), 2345 false /* newProfile */); 2346 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2347 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2348 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2349 getCompilerFilterForReason(REASON_SHARED_APK), 2350 StorageManager.UUID_PRIVATE_INTERNAL, 2351 SKIP_SHARED_LIBRARY_CHECK); 2352 } 2353 } catch (FileNotFoundException e) { 2354 Slog.w(TAG, "Library not found: " + lib); 2355 } catch (IOException | InstallerException e) { 2356 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2357 + e.getMessage()); 2358 } 2359 } 2360 } 2361 } 2362 2363 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2364 2365 final VersionInfo ver = mSettings.getInternalVersion(); 2366 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2367 2368 // when upgrading from pre-M, promote system app permissions from install to runtime 2369 mPromoteSystemApps = 2370 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2371 2372 // save off the names of pre-existing system packages prior to scanning; we don't 2373 // want to automatically grant runtime permissions for new system apps 2374 if (mPromoteSystemApps) { 2375 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2376 while (pkgSettingIter.hasNext()) { 2377 PackageSetting ps = pkgSettingIter.next(); 2378 if (isSystemApp(ps)) { 2379 mExistingSystemPackages.add(ps.name); 2380 } 2381 } 2382 } 2383 2384 // When upgrading from pre-N, we need to handle package extraction like first boot, 2385 // as there is no profiling data available. 2386 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2387 mSettings.setNWorkDone(); 2388 2389 // Collect vendor overlay packages. 2390 // (Do this before scanning any apps.) 2391 // For security and version matching reason, only consider 2392 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2393 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2394 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2395 | PackageParser.PARSE_IS_SYSTEM 2396 | PackageParser.PARSE_IS_SYSTEM_DIR 2397 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2398 2399 // Find base frameworks (resource packages without code). 2400 scanDirTracedLI(frameworkDir, mDefParseFlags 2401 | PackageParser.PARSE_IS_SYSTEM 2402 | PackageParser.PARSE_IS_SYSTEM_DIR 2403 | PackageParser.PARSE_IS_PRIVILEGED, 2404 scanFlags | SCAN_NO_DEX, 0); 2405 2406 // Collected privileged system packages. 2407 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2408 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2409 | PackageParser.PARSE_IS_SYSTEM 2410 | PackageParser.PARSE_IS_SYSTEM_DIR 2411 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2412 2413 // Collect ordinary system packages. 2414 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2415 scanDirTracedLI(systemAppDir, mDefParseFlags 2416 | PackageParser.PARSE_IS_SYSTEM 2417 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2418 2419 // Collect all vendor packages. 2420 File vendorAppDir = new File("/vendor/app"); 2421 try { 2422 vendorAppDir = vendorAppDir.getCanonicalFile(); 2423 } catch (IOException e) { 2424 // failed to look up canonical path, continue with original one 2425 } 2426 scanDirTracedLI(vendorAppDir, mDefParseFlags 2427 | PackageParser.PARSE_IS_SYSTEM 2428 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2429 2430 // Collect all OEM packages. 2431 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2432 scanDirTracedLI(oemAppDir, mDefParseFlags 2433 | PackageParser.PARSE_IS_SYSTEM 2434 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2435 2436 // Prune any system packages that no longer exist. 2437 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2438 if (!mOnlyCore) { 2439 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2440 while (psit.hasNext()) { 2441 PackageSetting ps = psit.next(); 2442 2443 /* 2444 * If this is not a system app, it can't be a 2445 * disable system app. 2446 */ 2447 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2448 continue; 2449 } 2450 2451 /* 2452 * If the package is scanned, it's not erased. 2453 */ 2454 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2455 if (scannedPkg != null) { 2456 /* 2457 * If the system app is both scanned and in the 2458 * disabled packages list, then it must have been 2459 * added via OTA. Remove it from the currently 2460 * scanned package so the previously user-installed 2461 * application can be scanned. 2462 */ 2463 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2464 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2465 + ps.name + "; removing system app. Last known codePath=" 2466 + ps.codePathString + ", installStatus=" + ps.installStatus 2467 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2468 + scannedPkg.mVersionCode); 2469 removePackageLI(scannedPkg, true); 2470 mExpectingBetter.put(ps.name, ps.codePath); 2471 } 2472 2473 continue; 2474 } 2475 2476 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2477 psit.remove(); 2478 logCriticalInfo(Log.WARN, "System package " + ps.name 2479 + " no longer exists; it's data will be wiped"); 2480 // Actual deletion of code and data will be handled by later 2481 // reconciliation step 2482 } else { 2483 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2484 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2485 possiblyDeletedUpdatedSystemApps.add(ps.name); 2486 } 2487 } 2488 } 2489 } 2490 2491 //look for any incomplete package installations 2492 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2493 for (int i = 0; i < deletePkgsList.size(); i++) { 2494 // Actual deletion of code and data will be handled by later 2495 // reconciliation step 2496 final String packageName = deletePkgsList.get(i).name; 2497 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2498 synchronized (mPackages) { 2499 mSettings.removePackageLPw(packageName); 2500 } 2501 } 2502 2503 //delete tmp files 2504 deleteTempPackageFiles(); 2505 2506 // Remove any shared userIDs that have no associated packages 2507 mSettings.pruneSharedUsersLPw(); 2508 2509 if (!mOnlyCore) { 2510 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2511 SystemClock.uptimeMillis()); 2512 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2513 2514 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2515 | PackageParser.PARSE_FORWARD_LOCK, 2516 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2517 2518 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2519 | PackageParser.PARSE_IS_EPHEMERAL, 2520 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2521 2522 /** 2523 * Remove disable package settings for any updated system 2524 * apps that were removed via an OTA. If they're not a 2525 * previously-updated app, remove them completely. 2526 * Otherwise, just revoke their system-level permissions. 2527 */ 2528 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2529 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2530 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2531 2532 String msg; 2533 if (deletedPkg == null) { 2534 msg = "Updated system package " + deletedAppName 2535 + " no longer exists; it's data will be wiped"; 2536 // Actual deletion of code and data will be handled by later 2537 // reconciliation step 2538 } else { 2539 msg = "Updated system app + " + deletedAppName 2540 + " no longer present; removing system privileges for " 2541 + deletedAppName; 2542 2543 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2544 2545 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2546 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2547 } 2548 logCriticalInfo(Log.WARN, msg); 2549 } 2550 2551 /** 2552 * Make sure all system apps that we expected to appear on 2553 * the userdata partition actually showed up. If they never 2554 * appeared, crawl back and revive the system version. 2555 */ 2556 for (int i = 0; i < mExpectingBetter.size(); i++) { 2557 final String packageName = mExpectingBetter.keyAt(i); 2558 if (!mPackages.containsKey(packageName)) { 2559 final File scanFile = mExpectingBetter.valueAt(i); 2560 2561 logCriticalInfo(Log.WARN, "Expected better " + packageName 2562 + " but never showed up; reverting to system"); 2563 2564 int reparseFlags = mDefParseFlags; 2565 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2566 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2567 | PackageParser.PARSE_IS_SYSTEM_DIR 2568 | PackageParser.PARSE_IS_PRIVILEGED; 2569 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2570 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2571 | PackageParser.PARSE_IS_SYSTEM_DIR; 2572 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2573 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2574 | PackageParser.PARSE_IS_SYSTEM_DIR; 2575 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2576 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2577 | PackageParser.PARSE_IS_SYSTEM_DIR; 2578 } else { 2579 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2580 continue; 2581 } 2582 2583 mSettings.enableSystemPackageLPw(packageName); 2584 2585 try { 2586 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2587 } catch (PackageManagerException e) { 2588 Slog.e(TAG, "Failed to parse original system package: " 2589 + e.getMessage()); 2590 } 2591 } 2592 } 2593 } 2594 mExpectingBetter.clear(); 2595 2596 // Resolve protected action filters. Only the setup wizard is allowed to 2597 // have a high priority filter for these actions. 2598 mSetupWizardPackage = getSetupWizardPackageName(); 2599 if (mProtectedFilters.size() > 0) { 2600 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2601 Slog.i(TAG, "No setup wizard;" 2602 + " All protected intents capped to priority 0"); 2603 } 2604 for (ActivityIntentInfo filter : mProtectedFilters) { 2605 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2606 if (DEBUG_FILTERS) { 2607 Slog.i(TAG, "Found setup wizard;" 2608 + " allow priority " + filter.getPriority() + ";" 2609 + " package: " + filter.activity.info.packageName 2610 + " activity: " + filter.activity.className 2611 + " priority: " + filter.getPriority()); 2612 } 2613 // skip setup wizard; allow it to keep the high priority filter 2614 continue; 2615 } 2616 Slog.w(TAG, "Protected action; cap priority to 0;" 2617 + " package: " + filter.activity.info.packageName 2618 + " activity: " + filter.activity.className 2619 + " origPrio: " + filter.getPriority()); 2620 filter.setPriority(0); 2621 } 2622 } 2623 mDeferProtectedFilters = false; 2624 mProtectedFilters.clear(); 2625 2626 // Now that we know all of the shared libraries, update all clients to have 2627 // the correct library paths. 2628 updateAllSharedLibrariesLPw(); 2629 2630 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2631 // NOTE: We ignore potential failures here during a system scan (like 2632 // the rest of the commands above) because there's precious little we 2633 // can do about it. A settings error is reported, though. 2634 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2635 false /* boot complete */); 2636 } 2637 2638 // Now that we know all the packages we are keeping, 2639 // read and update their last usage times. 2640 mPackageUsage.readLP(); 2641 2642 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2643 SystemClock.uptimeMillis()); 2644 Slog.i(TAG, "Time to scan packages: " 2645 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2646 + " seconds"); 2647 2648 // If the platform SDK has changed since the last time we booted, 2649 // we need to re-grant app permission to catch any new ones that 2650 // appear. This is really a hack, and means that apps can in some 2651 // cases get permissions that the user didn't initially explicitly 2652 // allow... it would be nice to have some better way to handle 2653 // this situation. 2654 int updateFlags = UPDATE_PERMISSIONS_ALL; 2655 if (ver.sdkVersion != mSdkVersion) { 2656 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2657 + mSdkVersion + "; regranting permissions for internal storage"); 2658 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2659 } 2660 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2661 ver.sdkVersion = mSdkVersion; 2662 2663 // If this is the first boot or an update from pre-M, and it is a normal 2664 // boot, then we need to initialize the default preferred apps across 2665 // all defined users. 2666 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2667 for (UserInfo user : sUserManager.getUsers(true)) { 2668 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2669 applyFactoryDefaultBrowserLPw(user.id); 2670 primeDomainVerificationsLPw(user.id); 2671 } 2672 } 2673 2674 // Prepare storage for system user really early during boot, 2675 // since core system apps like SettingsProvider and SystemUI 2676 // can't wait for user to start 2677 final int storageFlags; 2678 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2679 storageFlags = StorageManager.FLAG_STORAGE_DE; 2680 } else { 2681 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2682 } 2683 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2684 storageFlags); 2685 2686 // If this is first boot after an OTA, and a normal boot, then 2687 // we need to clear code cache directories. 2688 if (mIsUpgrade && !onlyCore) { 2689 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2690 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2691 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2692 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2693 // No apps are running this early, so no need to freeze 2694 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2695 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2696 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2697 } 2698 clearAppProfilesLIF(ps.pkg); 2699 } 2700 ver.fingerprint = Build.FINGERPRINT; 2701 } 2702 2703 checkDefaultBrowser(); 2704 2705 // clear only after permissions and other defaults have been updated 2706 mExistingSystemPackages.clear(); 2707 mPromoteSystemApps = false; 2708 2709 // All the changes are done during package scanning. 2710 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2711 2712 // can downgrade to reader 2713 mSettings.writeLPr(); 2714 2715 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2716 SystemClock.uptimeMillis()); 2717 2718 if (!mOnlyCore) { 2719 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2720 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2721 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2722 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2723 mIntentFilterVerifierComponent); 2724 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2725 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2726 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2727 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2728 } else { 2729 mRequiredVerifierPackage = null; 2730 mRequiredInstallerPackage = null; 2731 mIntentFilterVerifierComponent = null; 2732 mIntentFilterVerifier = null; 2733 mServicesSystemSharedLibraryPackageName = null; 2734 mSharedSystemSharedLibraryPackageName = null; 2735 } 2736 2737 mInstallerService = new PackageInstallerService(context, this); 2738 2739 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2740 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2741 // both the installer and resolver must be present to enable ephemeral 2742 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2743 if (DEBUG_EPHEMERAL) { 2744 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2745 + " installer:" + ephemeralInstallerComponent); 2746 } 2747 mEphemeralResolverComponent = ephemeralResolverComponent; 2748 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2749 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2750 mEphemeralResolverConnection = 2751 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2752 } else { 2753 if (DEBUG_EPHEMERAL) { 2754 final String missingComponent = 2755 (ephemeralResolverComponent == null) 2756 ? (ephemeralInstallerComponent == null) 2757 ? "resolver and installer" 2758 : "resolver" 2759 : "installer"; 2760 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2761 } 2762 mEphemeralResolverComponent = null; 2763 mEphemeralInstallerComponent = null; 2764 mEphemeralResolverConnection = null; 2765 } 2766 2767 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2768 } // synchronized (mPackages) 2769 } // synchronized (mInstallLock) 2770 2771 // Now after opening every single application zip, make sure they 2772 // are all flushed. Not really needed, but keeps things nice and 2773 // tidy. 2774 Runtime.getRuntime().gc(); 2775 2776 // The initial scanning above does many calls into installd while 2777 // holding the mPackages lock, but we're mostly interested in yelling 2778 // once we have a booted system. 2779 mInstaller.setWarnIfHeld(mPackages); 2780 2781 // Expose private service for system components to use. 2782 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2783 } 2784 2785 @Override 2786 public boolean isFirstBoot() { 2787 return !mRestoredSettings; 2788 } 2789 2790 @Override 2791 public boolean isOnlyCoreApps() { 2792 return mOnlyCore; 2793 } 2794 2795 @Override 2796 public boolean isUpgrade() { 2797 return mIsUpgrade; 2798 } 2799 2800 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2801 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2802 2803 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2804 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2805 UserHandle.USER_SYSTEM); 2806 if (matches.size() == 1) { 2807 return matches.get(0).getComponentInfo().packageName; 2808 } else { 2809 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2810 return null; 2811 } 2812 } 2813 2814 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2815 synchronized (mPackages) { 2816 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2817 if (libraryEntry == null) { 2818 throw new IllegalStateException("Missing required shared library:" + libraryName); 2819 } 2820 return libraryEntry.apk; 2821 } 2822 } 2823 2824 private @NonNull String getRequiredInstallerLPr() { 2825 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2826 intent.addCategory(Intent.CATEGORY_DEFAULT); 2827 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2828 2829 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2830 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2831 UserHandle.USER_SYSTEM); 2832 if (matches.size() == 1) { 2833 ResolveInfo resolveInfo = matches.get(0); 2834 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2835 throw new RuntimeException("The installer must be a privileged app"); 2836 } 2837 return matches.get(0).getComponentInfo().packageName; 2838 } else { 2839 throw new RuntimeException("There must be exactly one installer; found " + matches); 2840 } 2841 } 2842 2843 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2844 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2845 2846 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2847 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2848 UserHandle.USER_SYSTEM); 2849 ResolveInfo best = null; 2850 final int N = matches.size(); 2851 for (int i = 0; i < N; i++) { 2852 final ResolveInfo cur = matches.get(i); 2853 final String packageName = cur.getComponentInfo().packageName; 2854 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2855 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2856 continue; 2857 } 2858 2859 if (best == null || cur.priority > best.priority) { 2860 best = cur; 2861 } 2862 } 2863 2864 if (best != null) { 2865 return best.getComponentInfo().getComponentName(); 2866 } else { 2867 throw new RuntimeException("There must be at least one intent filter verifier"); 2868 } 2869 } 2870 2871 private @Nullable ComponentName getEphemeralResolverLPr() { 2872 final String[] packageArray = 2873 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2874 if (packageArray.length == 0) { 2875 if (DEBUG_EPHEMERAL) { 2876 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2877 } 2878 return null; 2879 } 2880 2881 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2882 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2883 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2884 UserHandle.USER_SYSTEM); 2885 2886 final int N = resolvers.size(); 2887 if (N == 0) { 2888 if (DEBUG_EPHEMERAL) { 2889 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2890 } 2891 return null; 2892 } 2893 2894 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2895 for (int i = 0; i < N; i++) { 2896 final ResolveInfo info = resolvers.get(i); 2897 2898 if (info.serviceInfo == null) { 2899 continue; 2900 } 2901 2902 final String packageName = info.serviceInfo.packageName; 2903 if (!possiblePackages.contains(packageName)) { 2904 if (DEBUG_EPHEMERAL) { 2905 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2906 + " pkg: " + packageName + ", info:" + info); 2907 } 2908 continue; 2909 } 2910 2911 if (DEBUG_EPHEMERAL) { 2912 Slog.v(TAG, "Ephemeral resolver found;" 2913 + " pkg: " + packageName + ", info:" + info); 2914 } 2915 return new ComponentName(packageName, info.serviceInfo.name); 2916 } 2917 if (DEBUG_EPHEMERAL) { 2918 Slog.v(TAG, "Ephemeral resolver NOT found"); 2919 } 2920 return null; 2921 } 2922 2923 private @Nullable ComponentName getEphemeralInstallerLPr() { 2924 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2925 intent.addCategory(Intent.CATEGORY_DEFAULT); 2926 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2927 2928 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2929 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2930 UserHandle.USER_SYSTEM); 2931 if (matches.size() == 0) { 2932 return null; 2933 } else if (matches.size() == 1) { 2934 return matches.get(0).getComponentInfo().getComponentName(); 2935 } else { 2936 throw new RuntimeException( 2937 "There must be at most one ephemeral installer; found " + matches); 2938 } 2939 } 2940 2941 private void primeDomainVerificationsLPw(int userId) { 2942 if (DEBUG_DOMAIN_VERIFICATION) { 2943 Slog.d(TAG, "Priming domain verifications in user " + userId); 2944 } 2945 2946 SystemConfig systemConfig = SystemConfig.getInstance(); 2947 ArraySet<String> packages = systemConfig.getLinkedApps(); 2948 ArraySet<String> domains = new ArraySet<String>(); 2949 2950 for (String packageName : packages) { 2951 PackageParser.Package pkg = mPackages.get(packageName); 2952 if (pkg != null) { 2953 if (!pkg.isSystemApp()) { 2954 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2955 continue; 2956 } 2957 2958 domains.clear(); 2959 for (PackageParser.Activity a : pkg.activities) { 2960 for (ActivityIntentInfo filter : a.intents) { 2961 if (hasValidDomains(filter)) { 2962 domains.addAll(filter.getHostsList()); 2963 } 2964 } 2965 } 2966 2967 if (domains.size() > 0) { 2968 if (DEBUG_DOMAIN_VERIFICATION) { 2969 Slog.v(TAG, " + " + packageName); 2970 } 2971 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2972 // state w.r.t. the formal app-linkage "no verification attempted" state; 2973 // and then 'always' in the per-user state actually used for intent resolution. 2974 final IntentFilterVerificationInfo ivi; 2975 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2976 new ArrayList<String>(domains)); 2977 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2978 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2979 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2980 } else { 2981 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2982 + "' does not handle web links"); 2983 } 2984 } else { 2985 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2986 } 2987 } 2988 2989 scheduleWritePackageRestrictionsLocked(userId); 2990 scheduleWriteSettingsLocked(); 2991 } 2992 2993 private void applyFactoryDefaultBrowserLPw(int userId) { 2994 // The default browser app's package name is stored in a string resource, 2995 // with a product-specific overlay used for vendor customization. 2996 String browserPkg = mContext.getResources().getString( 2997 com.android.internal.R.string.default_browser); 2998 if (!TextUtils.isEmpty(browserPkg)) { 2999 // non-empty string => required to be a known package 3000 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3001 if (ps == null) { 3002 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3003 browserPkg = null; 3004 } else { 3005 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3006 } 3007 } 3008 3009 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3010 // default. If there's more than one, just leave everything alone. 3011 if (browserPkg == null) { 3012 calculateDefaultBrowserLPw(userId); 3013 } 3014 } 3015 3016 private void calculateDefaultBrowserLPw(int userId) { 3017 List<String> allBrowsers = resolveAllBrowserApps(userId); 3018 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3019 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3020 } 3021 3022 private List<String> resolveAllBrowserApps(int userId) { 3023 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3024 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3025 PackageManager.MATCH_ALL, userId); 3026 3027 final int count = list.size(); 3028 List<String> result = new ArrayList<String>(count); 3029 for (int i=0; i<count; i++) { 3030 ResolveInfo info = list.get(i); 3031 if (info.activityInfo == null 3032 || !info.handleAllWebDataURI 3033 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3034 || result.contains(info.activityInfo.packageName)) { 3035 continue; 3036 } 3037 result.add(info.activityInfo.packageName); 3038 } 3039 3040 return result; 3041 } 3042 3043 private boolean packageIsBrowser(String packageName, int userId) { 3044 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3045 PackageManager.MATCH_ALL, userId); 3046 final int N = list.size(); 3047 for (int i = 0; i < N; i++) { 3048 ResolveInfo info = list.get(i); 3049 if (packageName.equals(info.activityInfo.packageName)) { 3050 return true; 3051 } 3052 } 3053 return false; 3054 } 3055 3056 private void checkDefaultBrowser() { 3057 final int myUserId = UserHandle.myUserId(); 3058 final String packageName = getDefaultBrowserPackageName(myUserId); 3059 if (packageName != null) { 3060 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3061 if (info == null) { 3062 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3063 synchronized (mPackages) { 3064 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3065 } 3066 } 3067 } 3068 } 3069 3070 @Override 3071 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3072 throws RemoteException { 3073 try { 3074 return super.onTransact(code, data, reply, flags); 3075 } catch (RuntimeException e) { 3076 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3077 Slog.wtf(TAG, "Package Manager Crash", e); 3078 } 3079 throw e; 3080 } 3081 } 3082 3083 static int[] appendInts(int[] cur, int[] add) { 3084 if (add == null) return cur; 3085 if (cur == null) return add; 3086 final int N = add.length; 3087 for (int i=0; i<N; i++) { 3088 cur = appendInt(cur, add[i]); 3089 } 3090 return cur; 3091 } 3092 3093 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3094 if (!sUserManager.exists(userId)) return null; 3095 if (ps == null) { 3096 return null; 3097 } 3098 final PackageParser.Package p = ps.pkg; 3099 if (p == null) { 3100 return null; 3101 } 3102 3103 final PermissionsState permissionsState = ps.getPermissionsState(); 3104 3105 final int[] gids = permissionsState.computeGids(userId); 3106 final Set<String> permissions = permissionsState.getPermissions(userId); 3107 final PackageUserState state = ps.readUserState(userId); 3108 3109 return PackageParser.generatePackageInfo(p, gids, flags, 3110 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3111 } 3112 3113 @Override 3114 public void checkPackageStartable(String packageName, int userId) { 3115 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 3116 3117 synchronized (mPackages) { 3118 final PackageSetting ps = mSettings.mPackages.get(packageName); 3119 if (ps == null) { 3120 throw new SecurityException("Package " + packageName + " was not found!"); 3121 } 3122 3123 if (!ps.getInstalled(userId)) { 3124 throw new SecurityException( 3125 "Package " + packageName + " was not installed for user " + userId + "!"); 3126 } 3127 3128 if (mSafeMode && !ps.isSystem()) { 3129 throw new SecurityException("Package " + packageName + " not a system app!"); 3130 } 3131 3132 if (mFrozenPackages.contains(packageName)) { 3133 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3134 } 3135 3136 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3137 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3138 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3139 } 3140 } 3141 } 3142 3143 @Override 3144 public boolean isPackageAvailable(String packageName, int userId) { 3145 if (!sUserManager.exists(userId)) return false; 3146 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3147 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3148 synchronized (mPackages) { 3149 PackageParser.Package p = mPackages.get(packageName); 3150 if (p != null) { 3151 final PackageSetting ps = (PackageSetting) p.mExtras; 3152 if (ps != null) { 3153 final PackageUserState state = ps.readUserState(userId); 3154 if (state != null) { 3155 return PackageParser.isAvailable(state); 3156 } 3157 } 3158 } 3159 } 3160 return false; 3161 } 3162 3163 @Override 3164 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3165 if (!sUserManager.exists(userId)) return null; 3166 flags = updateFlagsForPackage(flags, userId, packageName); 3167 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3168 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3169 // reader 3170 synchronized (mPackages) { 3171 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3172 PackageParser.Package p = null; 3173 if (matchFactoryOnly) { 3174 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3175 if (ps != null) { 3176 return generatePackageInfo(ps, flags, userId); 3177 } 3178 } 3179 if (p == null) { 3180 p = mPackages.get(packageName); 3181 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3182 return null; 3183 } 3184 } 3185 if (DEBUG_PACKAGE_INFO) 3186 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3187 if (p != null) { 3188 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3189 } 3190 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3191 final PackageSetting ps = mSettings.mPackages.get(packageName); 3192 return generatePackageInfo(ps, flags, userId); 3193 } 3194 } 3195 return null; 3196 } 3197 3198 @Override 3199 public String[] currentToCanonicalPackageNames(String[] names) { 3200 String[] out = new String[names.length]; 3201 // reader 3202 synchronized (mPackages) { 3203 for (int i=names.length-1; i>=0; i--) { 3204 PackageSetting ps = mSettings.mPackages.get(names[i]); 3205 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3206 } 3207 } 3208 return out; 3209 } 3210 3211 @Override 3212 public String[] canonicalToCurrentPackageNames(String[] names) { 3213 String[] out = new String[names.length]; 3214 // reader 3215 synchronized (mPackages) { 3216 for (int i=names.length-1; i>=0; i--) { 3217 String cur = mSettings.mRenamedPackages.get(names[i]); 3218 out[i] = cur != null ? cur : names[i]; 3219 } 3220 } 3221 return out; 3222 } 3223 3224 @Override 3225 public int getPackageUid(String packageName, int flags, int userId) { 3226 if (!sUserManager.exists(userId)) return -1; 3227 flags = updateFlagsForPackage(flags, userId, packageName); 3228 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3229 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3230 3231 // reader 3232 synchronized (mPackages) { 3233 final PackageParser.Package p = mPackages.get(packageName); 3234 if (p != null && p.isMatch(flags)) { 3235 return UserHandle.getUid(userId, p.applicationInfo.uid); 3236 } 3237 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3238 final PackageSetting ps = mSettings.mPackages.get(packageName); 3239 if (ps != null && ps.isMatch(flags)) { 3240 return UserHandle.getUid(userId, ps.appId); 3241 } 3242 } 3243 } 3244 3245 return -1; 3246 } 3247 3248 @Override 3249 public int[] getPackageGids(String packageName, int flags, int userId) { 3250 if (!sUserManager.exists(userId)) return null; 3251 flags = updateFlagsForPackage(flags, userId, packageName); 3252 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3253 false /* requireFullPermission */, false /* checkShell */, 3254 "getPackageGids"); 3255 3256 // reader 3257 synchronized (mPackages) { 3258 final PackageParser.Package p = mPackages.get(packageName); 3259 if (p != null && p.isMatch(flags)) { 3260 PackageSetting ps = (PackageSetting) p.mExtras; 3261 return ps.getPermissionsState().computeGids(userId); 3262 } 3263 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3264 final PackageSetting ps = mSettings.mPackages.get(packageName); 3265 if (ps != null && ps.isMatch(flags)) { 3266 return ps.getPermissionsState().computeGids(userId); 3267 } 3268 } 3269 } 3270 3271 return null; 3272 } 3273 3274 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3275 if (bp.perm != null) { 3276 return PackageParser.generatePermissionInfo(bp.perm, flags); 3277 } 3278 PermissionInfo pi = new PermissionInfo(); 3279 pi.name = bp.name; 3280 pi.packageName = bp.sourcePackage; 3281 pi.nonLocalizedLabel = bp.name; 3282 pi.protectionLevel = bp.protectionLevel; 3283 return pi; 3284 } 3285 3286 @Override 3287 public PermissionInfo getPermissionInfo(String name, int flags) { 3288 // reader 3289 synchronized (mPackages) { 3290 final BasePermission p = mSettings.mPermissions.get(name); 3291 if (p != null) { 3292 return generatePermissionInfo(p, flags); 3293 } 3294 return null; 3295 } 3296 } 3297 3298 @Override 3299 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3300 int flags) { 3301 // reader 3302 synchronized (mPackages) { 3303 if (group != null && !mPermissionGroups.containsKey(group)) { 3304 // This is thrown as NameNotFoundException 3305 return null; 3306 } 3307 3308 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3309 for (BasePermission p : mSettings.mPermissions.values()) { 3310 if (group == null) { 3311 if (p.perm == null || p.perm.info.group == null) { 3312 out.add(generatePermissionInfo(p, flags)); 3313 } 3314 } else { 3315 if (p.perm != null && group.equals(p.perm.info.group)) { 3316 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3317 } 3318 } 3319 } 3320 return new ParceledListSlice<>(out); 3321 } 3322 } 3323 3324 @Override 3325 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3326 // reader 3327 synchronized (mPackages) { 3328 return PackageParser.generatePermissionGroupInfo( 3329 mPermissionGroups.get(name), flags); 3330 } 3331 } 3332 3333 @Override 3334 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3335 // reader 3336 synchronized (mPackages) { 3337 final int N = mPermissionGroups.size(); 3338 ArrayList<PermissionGroupInfo> out 3339 = new ArrayList<PermissionGroupInfo>(N); 3340 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3341 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3342 } 3343 return new ParceledListSlice<>(out); 3344 } 3345 } 3346 3347 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3348 int userId) { 3349 if (!sUserManager.exists(userId)) return null; 3350 PackageSetting ps = mSettings.mPackages.get(packageName); 3351 if (ps != null) { 3352 if (ps.pkg == null) { 3353 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3354 if (pInfo != null) { 3355 return pInfo.applicationInfo; 3356 } 3357 return null; 3358 } 3359 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3360 ps.readUserState(userId), userId); 3361 } 3362 return null; 3363 } 3364 3365 @Override 3366 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3367 if (!sUserManager.exists(userId)) return null; 3368 flags = updateFlagsForApplication(flags, userId, packageName); 3369 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3370 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3371 // writer 3372 synchronized (mPackages) { 3373 PackageParser.Package p = mPackages.get(packageName); 3374 if (DEBUG_PACKAGE_INFO) Log.v( 3375 TAG, "getApplicationInfo " + packageName 3376 + ": " + p); 3377 if (p != null) { 3378 PackageSetting ps = mSettings.mPackages.get(packageName); 3379 if (ps == null) return null; 3380 // Note: isEnabledLP() does not apply here - always return info 3381 return PackageParser.generateApplicationInfo( 3382 p, flags, ps.readUserState(userId), userId); 3383 } 3384 if ("android".equals(packageName)||"system".equals(packageName)) { 3385 return mAndroidApplication; 3386 } 3387 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3388 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3389 } 3390 } 3391 return null; 3392 } 3393 3394 @Override 3395 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3396 final IPackageDataObserver observer) { 3397 mContext.enforceCallingOrSelfPermission( 3398 android.Manifest.permission.CLEAR_APP_CACHE, null); 3399 // Queue up an async operation since clearing cache may take a little while. 3400 mHandler.post(new Runnable() { 3401 public void run() { 3402 mHandler.removeCallbacks(this); 3403 boolean success = true; 3404 synchronized (mInstallLock) { 3405 try { 3406 mInstaller.freeCache(volumeUuid, freeStorageSize); 3407 } catch (InstallerException e) { 3408 Slog.w(TAG, "Couldn't clear application caches: " + e); 3409 success = false; 3410 } 3411 } 3412 if (observer != null) { 3413 try { 3414 observer.onRemoveCompleted(null, success); 3415 } catch (RemoteException e) { 3416 Slog.w(TAG, "RemoveException when invoking call back"); 3417 } 3418 } 3419 } 3420 }); 3421 } 3422 3423 @Override 3424 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3425 final IntentSender pi) { 3426 mContext.enforceCallingOrSelfPermission( 3427 android.Manifest.permission.CLEAR_APP_CACHE, null); 3428 // Queue up an async operation since clearing cache may take a little while. 3429 mHandler.post(new Runnable() { 3430 public void run() { 3431 mHandler.removeCallbacks(this); 3432 boolean success = true; 3433 synchronized (mInstallLock) { 3434 try { 3435 mInstaller.freeCache(volumeUuid, freeStorageSize); 3436 } catch (InstallerException e) { 3437 Slog.w(TAG, "Couldn't clear application caches: " + e); 3438 success = false; 3439 } 3440 } 3441 if(pi != null) { 3442 try { 3443 // Callback via pending intent 3444 int code = success ? 1 : 0; 3445 pi.sendIntent(null, code, null, 3446 null, null); 3447 } catch (SendIntentException e1) { 3448 Slog.i(TAG, "Failed to send pending intent"); 3449 } 3450 } 3451 } 3452 }); 3453 } 3454 3455 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3456 synchronized (mInstallLock) { 3457 try { 3458 mInstaller.freeCache(volumeUuid, freeStorageSize); 3459 } catch (InstallerException e) { 3460 throw new IOException("Failed to free enough space", e); 3461 } 3462 } 3463 } 3464 3465 /** 3466 * Return if the user key is currently unlocked. 3467 */ 3468 private boolean isUserKeyUnlocked(int userId) { 3469 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3470 final IMountService mount = IMountService.Stub 3471 .asInterface(ServiceManager.getService("mount")); 3472 if (mount == null) { 3473 Slog.w(TAG, "Early during boot, assuming locked"); 3474 return false; 3475 } 3476 final long token = Binder.clearCallingIdentity(); 3477 try { 3478 return mount.isUserKeyUnlocked(userId); 3479 } catch (RemoteException e) { 3480 throw e.rethrowAsRuntimeException(); 3481 } finally { 3482 Binder.restoreCallingIdentity(token); 3483 } 3484 } else { 3485 return true; 3486 } 3487 } 3488 3489 /** 3490 * Update given flags based on encryption status of current user. 3491 */ 3492 private int updateFlags(int flags, int userId) { 3493 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3494 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3495 // Caller expressed an explicit opinion about what encryption 3496 // aware/unaware components they want to see, so fall through and 3497 // give them what they want 3498 } else { 3499 // Caller expressed no opinion, so match based on user state 3500 if (isUserKeyUnlocked(userId)) { 3501 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3502 } else { 3503 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3504 } 3505 } 3506 return flags; 3507 } 3508 3509 /** 3510 * Update given flags when being used to request {@link PackageInfo}. 3511 */ 3512 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3513 boolean triaged = true; 3514 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3515 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3516 // Caller is asking for component details, so they'd better be 3517 // asking for specific encryption matching behavior, or be triaged 3518 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3519 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3520 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3521 triaged = false; 3522 } 3523 } 3524 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3525 | PackageManager.MATCH_SYSTEM_ONLY 3526 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3527 triaged = false; 3528 } 3529 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3530 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3531 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3532 } 3533 return updateFlags(flags, userId); 3534 } 3535 3536 /** 3537 * Update given flags when being used to request {@link ApplicationInfo}. 3538 */ 3539 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3540 return updateFlagsForPackage(flags, userId, cookie); 3541 } 3542 3543 /** 3544 * Update given flags when being used to request {@link ComponentInfo}. 3545 */ 3546 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3547 if (cookie instanceof Intent) { 3548 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3549 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3550 } 3551 } 3552 3553 boolean triaged = true; 3554 // Caller is asking for component details, so they'd better be 3555 // asking for specific encryption matching behavior, or be triaged 3556 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3557 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3558 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3559 triaged = false; 3560 } 3561 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3562 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3563 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3564 } 3565 3566 return updateFlags(flags, userId); 3567 } 3568 3569 /** 3570 * Update given flags when being used to request {@link ResolveInfo}. 3571 */ 3572 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3573 // Safe mode means we shouldn't match any third-party components 3574 if (mSafeMode) { 3575 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3576 } 3577 3578 return updateFlagsForComponent(flags, userId, cookie); 3579 } 3580 3581 @Override 3582 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3583 if (!sUserManager.exists(userId)) return null; 3584 flags = updateFlagsForComponent(flags, userId, component); 3585 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3586 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3587 synchronized (mPackages) { 3588 PackageParser.Activity a = mActivities.mActivities.get(component); 3589 3590 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3591 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3592 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3593 if (ps == null) return null; 3594 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3595 userId); 3596 } 3597 if (mResolveComponentName.equals(component)) { 3598 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3599 new PackageUserState(), userId); 3600 } 3601 } 3602 return null; 3603 } 3604 3605 @Override 3606 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3607 String resolvedType) { 3608 synchronized (mPackages) { 3609 if (component.equals(mResolveComponentName)) { 3610 // The resolver supports EVERYTHING! 3611 return true; 3612 } 3613 PackageParser.Activity a = mActivities.mActivities.get(component); 3614 if (a == null) { 3615 return false; 3616 } 3617 for (int i=0; i<a.intents.size(); i++) { 3618 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3619 intent.getData(), intent.getCategories(), TAG) >= 0) { 3620 return true; 3621 } 3622 } 3623 return false; 3624 } 3625 } 3626 3627 @Override 3628 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3629 if (!sUserManager.exists(userId)) return null; 3630 flags = updateFlagsForComponent(flags, userId, component); 3631 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3632 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3633 synchronized (mPackages) { 3634 PackageParser.Activity a = mReceivers.mActivities.get(component); 3635 if (DEBUG_PACKAGE_INFO) Log.v( 3636 TAG, "getReceiverInfo " + component + ": " + a); 3637 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3638 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3639 if (ps == null) return null; 3640 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3641 userId); 3642 } 3643 } 3644 return null; 3645 } 3646 3647 @Override 3648 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3649 if (!sUserManager.exists(userId)) return null; 3650 flags = updateFlagsForComponent(flags, userId, component); 3651 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3652 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3653 synchronized (mPackages) { 3654 PackageParser.Service s = mServices.mServices.get(component); 3655 if (DEBUG_PACKAGE_INFO) Log.v( 3656 TAG, "getServiceInfo " + component + ": " + s); 3657 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3658 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3659 if (ps == null) return null; 3660 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3661 userId); 3662 } 3663 } 3664 return null; 3665 } 3666 3667 @Override 3668 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3669 if (!sUserManager.exists(userId)) return null; 3670 flags = updateFlagsForComponent(flags, userId, component); 3671 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3672 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3673 synchronized (mPackages) { 3674 PackageParser.Provider p = mProviders.mProviders.get(component); 3675 if (DEBUG_PACKAGE_INFO) Log.v( 3676 TAG, "getProviderInfo " + component + ": " + p); 3677 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3678 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3679 if (ps == null) return null; 3680 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3681 userId); 3682 } 3683 } 3684 return null; 3685 } 3686 3687 @Override 3688 public String[] getSystemSharedLibraryNames() { 3689 Set<String> libSet; 3690 synchronized (mPackages) { 3691 libSet = mSharedLibraries.keySet(); 3692 int size = libSet.size(); 3693 if (size > 0) { 3694 String[] libs = new String[size]; 3695 libSet.toArray(libs); 3696 return libs; 3697 } 3698 } 3699 return null; 3700 } 3701 3702 @Override 3703 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3704 synchronized (mPackages) { 3705 return mServicesSystemSharedLibraryPackageName; 3706 } 3707 } 3708 3709 @Override 3710 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3711 synchronized (mPackages) { 3712 return mSharedSystemSharedLibraryPackageName; 3713 } 3714 } 3715 3716 @Override 3717 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3718 synchronized (mPackages) { 3719 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3720 3721 final FeatureInfo fi = new FeatureInfo(); 3722 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3723 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3724 res.add(fi); 3725 3726 return new ParceledListSlice<>(res); 3727 } 3728 } 3729 3730 @Override 3731 public boolean hasSystemFeature(String name, int version) { 3732 synchronized (mPackages) { 3733 final FeatureInfo feat = mAvailableFeatures.get(name); 3734 if (feat == null) { 3735 return false; 3736 } else { 3737 return feat.version >= version; 3738 } 3739 } 3740 } 3741 3742 @Override 3743 public int checkPermission(String permName, String pkgName, int userId) { 3744 if (!sUserManager.exists(userId)) { 3745 return PackageManager.PERMISSION_DENIED; 3746 } 3747 3748 synchronized (mPackages) { 3749 final PackageParser.Package p = mPackages.get(pkgName); 3750 if (p != null && p.mExtras != null) { 3751 final PackageSetting ps = (PackageSetting) p.mExtras; 3752 final PermissionsState permissionsState = ps.getPermissionsState(); 3753 if (permissionsState.hasPermission(permName, userId)) { 3754 return PackageManager.PERMISSION_GRANTED; 3755 } 3756 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3757 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3758 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3759 return PackageManager.PERMISSION_GRANTED; 3760 } 3761 } 3762 } 3763 3764 return PackageManager.PERMISSION_DENIED; 3765 } 3766 3767 @Override 3768 public int checkUidPermission(String permName, int uid) { 3769 final int userId = UserHandle.getUserId(uid); 3770 3771 if (!sUserManager.exists(userId)) { 3772 return PackageManager.PERMISSION_DENIED; 3773 } 3774 3775 synchronized (mPackages) { 3776 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3777 if (obj != null) { 3778 final SettingBase ps = (SettingBase) obj; 3779 final PermissionsState permissionsState = ps.getPermissionsState(); 3780 if (permissionsState.hasPermission(permName, userId)) { 3781 return PackageManager.PERMISSION_GRANTED; 3782 } 3783 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3784 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3785 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3786 return PackageManager.PERMISSION_GRANTED; 3787 } 3788 } else { 3789 ArraySet<String> perms = mSystemPermissions.get(uid); 3790 if (perms != null) { 3791 if (perms.contains(permName)) { 3792 return PackageManager.PERMISSION_GRANTED; 3793 } 3794 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3795 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3796 return PackageManager.PERMISSION_GRANTED; 3797 } 3798 } 3799 } 3800 } 3801 3802 return PackageManager.PERMISSION_DENIED; 3803 } 3804 3805 @Override 3806 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3807 if (UserHandle.getCallingUserId() != userId) { 3808 mContext.enforceCallingPermission( 3809 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3810 "isPermissionRevokedByPolicy for user " + userId); 3811 } 3812 3813 if (checkPermission(permission, packageName, userId) 3814 == PackageManager.PERMISSION_GRANTED) { 3815 return false; 3816 } 3817 3818 final long identity = Binder.clearCallingIdentity(); 3819 try { 3820 final int flags = getPermissionFlags(permission, packageName, userId); 3821 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3822 } finally { 3823 Binder.restoreCallingIdentity(identity); 3824 } 3825 } 3826 3827 @Override 3828 public String getPermissionControllerPackageName() { 3829 synchronized (mPackages) { 3830 return mRequiredInstallerPackage; 3831 } 3832 } 3833 3834 /** 3835 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3836 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3837 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3838 * @param message the message to log on security exception 3839 */ 3840 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3841 boolean checkShell, String message) { 3842 if (userId < 0) { 3843 throw new IllegalArgumentException("Invalid userId " + userId); 3844 } 3845 if (checkShell) { 3846 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3847 } 3848 if (userId == UserHandle.getUserId(callingUid)) return; 3849 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3850 if (requireFullPermission) { 3851 mContext.enforceCallingOrSelfPermission( 3852 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3853 } else { 3854 try { 3855 mContext.enforceCallingOrSelfPermission( 3856 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3857 } catch (SecurityException se) { 3858 mContext.enforceCallingOrSelfPermission( 3859 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3860 } 3861 } 3862 } 3863 } 3864 3865 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3866 if (callingUid == Process.SHELL_UID) { 3867 if (userHandle >= 0 3868 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3869 throw new SecurityException("Shell does not have permission to access user " 3870 + userHandle); 3871 } else if (userHandle < 0) { 3872 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3873 + Debug.getCallers(3)); 3874 } 3875 } 3876 } 3877 3878 private BasePermission findPermissionTreeLP(String permName) { 3879 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3880 if (permName.startsWith(bp.name) && 3881 permName.length() > bp.name.length() && 3882 permName.charAt(bp.name.length()) == '.') { 3883 return bp; 3884 } 3885 } 3886 return null; 3887 } 3888 3889 private BasePermission checkPermissionTreeLP(String permName) { 3890 if (permName != null) { 3891 BasePermission bp = findPermissionTreeLP(permName); 3892 if (bp != null) { 3893 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3894 return bp; 3895 } 3896 throw new SecurityException("Calling uid " 3897 + Binder.getCallingUid() 3898 + " is not allowed to add to permission tree " 3899 + bp.name + " owned by uid " + bp.uid); 3900 } 3901 } 3902 throw new SecurityException("No permission tree found for " + permName); 3903 } 3904 3905 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3906 if (s1 == null) { 3907 return s2 == null; 3908 } 3909 if (s2 == null) { 3910 return false; 3911 } 3912 if (s1.getClass() != s2.getClass()) { 3913 return false; 3914 } 3915 return s1.equals(s2); 3916 } 3917 3918 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3919 if (pi1.icon != pi2.icon) return false; 3920 if (pi1.logo != pi2.logo) return false; 3921 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3922 if (!compareStrings(pi1.name, pi2.name)) return false; 3923 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3924 // We'll take care of setting this one. 3925 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3926 // These are not currently stored in settings. 3927 //if (!compareStrings(pi1.group, pi2.group)) return false; 3928 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3929 //if (pi1.labelRes != pi2.labelRes) return false; 3930 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3931 return true; 3932 } 3933 3934 int permissionInfoFootprint(PermissionInfo info) { 3935 int size = info.name.length(); 3936 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3937 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3938 return size; 3939 } 3940 3941 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3942 int size = 0; 3943 for (BasePermission perm : mSettings.mPermissions.values()) { 3944 if (perm.uid == tree.uid) { 3945 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3946 } 3947 } 3948 return size; 3949 } 3950 3951 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3952 // We calculate the max size of permissions defined by this uid and throw 3953 // if that plus the size of 'info' would exceed our stated maximum. 3954 if (tree.uid != Process.SYSTEM_UID) { 3955 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3956 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3957 throw new SecurityException("Permission tree size cap exceeded"); 3958 } 3959 } 3960 } 3961 3962 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3963 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3964 throw new SecurityException("Label must be specified in permission"); 3965 } 3966 BasePermission tree = checkPermissionTreeLP(info.name); 3967 BasePermission bp = mSettings.mPermissions.get(info.name); 3968 boolean added = bp == null; 3969 boolean changed = true; 3970 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3971 if (added) { 3972 enforcePermissionCapLocked(info, tree); 3973 bp = new BasePermission(info.name, tree.sourcePackage, 3974 BasePermission.TYPE_DYNAMIC); 3975 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3976 throw new SecurityException( 3977 "Not allowed to modify non-dynamic permission " 3978 + info.name); 3979 } else { 3980 if (bp.protectionLevel == fixedLevel 3981 && bp.perm.owner.equals(tree.perm.owner) 3982 && bp.uid == tree.uid 3983 && comparePermissionInfos(bp.perm.info, info)) { 3984 changed = false; 3985 } 3986 } 3987 bp.protectionLevel = fixedLevel; 3988 info = new PermissionInfo(info); 3989 info.protectionLevel = fixedLevel; 3990 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3991 bp.perm.info.packageName = tree.perm.info.packageName; 3992 bp.uid = tree.uid; 3993 if (added) { 3994 mSettings.mPermissions.put(info.name, bp); 3995 } 3996 if (changed) { 3997 if (!async) { 3998 mSettings.writeLPr(); 3999 } else { 4000 scheduleWriteSettingsLocked(); 4001 } 4002 } 4003 return added; 4004 } 4005 4006 @Override 4007 public boolean addPermission(PermissionInfo info) { 4008 synchronized (mPackages) { 4009 return addPermissionLocked(info, false); 4010 } 4011 } 4012 4013 @Override 4014 public boolean addPermissionAsync(PermissionInfo info) { 4015 synchronized (mPackages) { 4016 return addPermissionLocked(info, true); 4017 } 4018 } 4019 4020 @Override 4021 public void removePermission(String name) { 4022 synchronized (mPackages) { 4023 checkPermissionTreeLP(name); 4024 BasePermission bp = mSettings.mPermissions.get(name); 4025 if (bp != null) { 4026 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4027 throw new SecurityException( 4028 "Not allowed to modify non-dynamic permission " 4029 + name); 4030 } 4031 mSettings.mPermissions.remove(name); 4032 mSettings.writeLPr(); 4033 } 4034 } 4035 } 4036 4037 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4038 BasePermission bp) { 4039 int index = pkg.requestedPermissions.indexOf(bp.name); 4040 if (index == -1) { 4041 throw new SecurityException("Package " + pkg.packageName 4042 + " has not requested permission " + bp.name); 4043 } 4044 if (!bp.isRuntime() && !bp.isDevelopment()) { 4045 throw new SecurityException("Permission " + bp.name 4046 + " is not a changeable permission type"); 4047 } 4048 } 4049 4050 @Override 4051 public void grantRuntimePermission(String packageName, String name, final int userId) { 4052 if (!sUserManager.exists(userId)) { 4053 Log.e(TAG, "No such user:" + userId); 4054 return; 4055 } 4056 4057 mContext.enforceCallingOrSelfPermission( 4058 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4059 "grantRuntimePermission"); 4060 4061 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4062 true /* requireFullPermission */, true /* checkShell */, 4063 "grantRuntimePermission"); 4064 4065 final int uid; 4066 final SettingBase sb; 4067 4068 synchronized (mPackages) { 4069 final PackageParser.Package pkg = mPackages.get(packageName); 4070 if (pkg == null) { 4071 throw new IllegalArgumentException("Unknown package: " + packageName); 4072 } 4073 4074 final BasePermission bp = mSettings.mPermissions.get(name); 4075 if (bp == null) { 4076 throw new IllegalArgumentException("Unknown permission: " + name); 4077 } 4078 4079 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4080 4081 // If a permission review is required for legacy apps we represent 4082 // their permissions as always granted runtime ones since we need 4083 // to keep the review required permission flag per user while an 4084 // install permission's state is shared across all users. 4085 if (Build.PERMISSIONS_REVIEW_REQUIRED 4086 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4087 && bp.isRuntime()) { 4088 return; 4089 } 4090 4091 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4092 sb = (SettingBase) pkg.mExtras; 4093 if (sb == null) { 4094 throw new IllegalArgumentException("Unknown package: " + packageName); 4095 } 4096 4097 final PermissionsState permissionsState = sb.getPermissionsState(); 4098 4099 final int flags = permissionsState.getPermissionFlags(name, userId); 4100 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4101 throw new SecurityException("Cannot grant system fixed permission " 4102 + name + " for package " + packageName); 4103 } 4104 4105 if (bp.isDevelopment()) { 4106 // Development permissions must be handled specially, since they are not 4107 // normal runtime permissions. For now they apply to all users. 4108 if (permissionsState.grantInstallPermission(bp) != 4109 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4110 scheduleWriteSettingsLocked(); 4111 } 4112 return; 4113 } 4114 4115 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4116 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4117 return; 4118 } 4119 4120 final int result = permissionsState.grantRuntimePermission(bp, userId); 4121 switch (result) { 4122 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4123 return; 4124 } 4125 4126 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4127 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4128 mHandler.post(new Runnable() { 4129 @Override 4130 public void run() { 4131 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4132 } 4133 }); 4134 } 4135 break; 4136 } 4137 4138 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4139 4140 // Not critical if that is lost - app has to request again. 4141 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4142 } 4143 4144 // Only need to do this if user is initialized. Otherwise it's a new user 4145 // and there are no processes running as the user yet and there's no need 4146 // to make an expensive call to remount processes for the changed permissions. 4147 if (READ_EXTERNAL_STORAGE.equals(name) 4148 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4149 final long token = Binder.clearCallingIdentity(); 4150 try { 4151 if (sUserManager.isInitialized(userId)) { 4152 MountServiceInternal mountServiceInternal = LocalServices.getService( 4153 MountServiceInternal.class); 4154 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4155 } 4156 } finally { 4157 Binder.restoreCallingIdentity(token); 4158 } 4159 } 4160 } 4161 4162 @Override 4163 public void revokeRuntimePermission(String packageName, String name, int userId) { 4164 if (!sUserManager.exists(userId)) { 4165 Log.e(TAG, "No such user:" + userId); 4166 return; 4167 } 4168 4169 mContext.enforceCallingOrSelfPermission( 4170 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4171 "revokeRuntimePermission"); 4172 4173 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4174 true /* requireFullPermission */, true /* checkShell */, 4175 "revokeRuntimePermission"); 4176 4177 final int appId; 4178 4179 synchronized (mPackages) { 4180 final PackageParser.Package pkg = mPackages.get(packageName); 4181 if (pkg == null) { 4182 throw new IllegalArgumentException("Unknown package: " + packageName); 4183 } 4184 4185 final BasePermission bp = mSettings.mPermissions.get(name); 4186 if (bp == null) { 4187 throw new IllegalArgumentException("Unknown permission: " + name); 4188 } 4189 4190 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4191 4192 // If a permission review is required for legacy apps we represent 4193 // their permissions as always granted runtime ones since we need 4194 // to keep the review required permission flag per user while an 4195 // install permission's state is shared across all users. 4196 if (Build.PERMISSIONS_REVIEW_REQUIRED 4197 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4198 && bp.isRuntime()) { 4199 return; 4200 } 4201 4202 SettingBase sb = (SettingBase) pkg.mExtras; 4203 if (sb == null) { 4204 throw new IllegalArgumentException("Unknown package: " + packageName); 4205 } 4206 4207 final PermissionsState permissionsState = sb.getPermissionsState(); 4208 4209 final int flags = permissionsState.getPermissionFlags(name, userId); 4210 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4211 throw new SecurityException("Cannot revoke system fixed permission " 4212 + name + " for package " + packageName); 4213 } 4214 4215 if (bp.isDevelopment()) { 4216 // Development permissions must be handled specially, since they are not 4217 // normal runtime permissions. For now they apply to all users. 4218 if (permissionsState.revokeInstallPermission(bp) != 4219 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4220 scheduleWriteSettingsLocked(); 4221 } 4222 return; 4223 } 4224 4225 if (permissionsState.revokeRuntimePermission(bp, userId) == 4226 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4227 return; 4228 } 4229 4230 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4231 4232 // Critical, after this call app should never have the permission. 4233 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4234 4235 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4236 } 4237 4238 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4239 } 4240 4241 @Override 4242 public void resetRuntimePermissions() { 4243 mContext.enforceCallingOrSelfPermission( 4244 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4245 "revokeRuntimePermission"); 4246 4247 int callingUid = Binder.getCallingUid(); 4248 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4249 mContext.enforceCallingOrSelfPermission( 4250 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4251 "resetRuntimePermissions"); 4252 } 4253 4254 synchronized (mPackages) { 4255 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4256 for (int userId : UserManagerService.getInstance().getUserIds()) { 4257 final int packageCount = mPackages.size(); 4258 for (int i = 0; i < packageCount; i++) { 4259 PackageParser.Package pkg = mPackages.valueAt(i); 4260 if (!(pkg.mExtras instanceof PackageSetting)) { 4261 continue; 4262 } 4263 PackageSetting ps = (PackageSetting) pkg.mExtras; 4264 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4265 } 4266 } 4267 } 4268 } 4269 4270 @Override 4271 public int getPermissionFlags(String name, String packageName, int userId) { 4272 if (!sUserManager.exists(userId)) { 4273 return 0; 4274 } 4275 4276 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4277 4278 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4279 true /* requireFullPermission */, false /* checkShell */, 4280 "getPermissionFlags"); 4281 4282 synchronized (mPackages) { 4283 final PackageParser.Package pkg = mPackages.get(packageName); 4284 if (pkg == null) { 4285 throw new IllegalArgumentException("Unknown package: " + packageName); 4286 } 4287 4288 final BasePermission bp = mSettings.mPermissions.get(name); 4289 if (bp == null) { 4290 throw new IllegalArgumentException("Unknown permission: " + name); 4291 } 4292 4293 SettingBase sb = (SettingBase) pkg.mExtras; 4294 if (sb == null) { 4295 throw new IllegalArgumentException("Unknown package: " + packageName); 4296 } 4297 4298 PermissionsState permissionsState = sb.getPermissionsState(); 4299 return permissionsState.getPermissionFlags(name, userId); 4300 } 4301 } 4302 4303 @Override 4304 public void updatePermissionFlags(String name, String packageName, int flagMask, 4305 int flagValues, int userId) { 4306 if (!sUserManager.exists(userId)) { 4307 return; 4308 } 4309 4310 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4311 4312 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4313 true /* requireFullPermission */, true /* checkShell */, 4314 "updatePermissionFlags"); 4315 4316 // Only the system can change these flags and nothing else. 4317 if (getCallingUid() != Process.SYSTEM_UID) { 4318 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4319 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4320 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4321 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4322 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4323 } 4324 4325 synchronized (mPackages) { 4326 final PackageParser.Package pkg = mPackages.get(packageName); 4327 if (pkg == null) { 4328 throw new IllegalArgumentException("Unknown package: " + packageName); 4329 } 4330 4331 final BasePermission bp = mSettings.mPermissions.get(name); 4332 if (bp == null) { 4333 throw new IllegalArgumentException("Unknown permission: " + name); 4334 } 4335 4336 SettingBase sb = (SettingBase) pkg.mExtras; 4337 if (sb == null) { 4338 throw new IllegalArgumentException("Unknown package: " + packageName); 4339 } 4340 4341 PermissionsState permissionsState = sb.getPermissionsState(); 4342 4343 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4344 4345 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4346 // Install and runtime permissions are stored in different places, 4347 // so figure out what permission changed and persist the change. 4348 if (permissionsState.getInstallPermissionState(name) != null) { 4349 scheduleWriteSettingsLocked(); 4350 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4351 || hadState) { 4352 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4353 } 4354 } 4355 } 4356 } 4357 4358 /** 4359 * Update the permission flags for all packages and runtime permissions of a user in order 4360 * to allow device or profile owner to remove POLICY_FIXED. 4361 */ 4362 @Override 4363 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4364 if (!sUserManager.exists(userId)) { 4365 return; 4366 } 4367 4368 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4369 4370 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4371 true /* requireFullPermission */, true /* checkShell */, 4372 "updatePermissionFlagsForAllApps"); 4373 4374 // Only the system can change system fixed flags. 4375 if (getCallingUid() != Process.SYSTEM_UID) { 4376 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4377 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4378 } 4379 4380 synchronized (mPackages) { 4381 boolean changed = false; 4382 final int packageCount = mPackages.size(); 4383 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4384 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4385 SettingBase sb = (SettingBase) pkg.mExtras; 4386 if (sb == null) { 4387 continue; 4388 } 4389 PermissionsState permissionsState = sb.getPermissionsState(); 4390 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4391 userId, flagMask, flagValues); 4392 } 4393 if (changed) { 4394 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4395 } 4396 } 4397 } 4398 4399 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4400 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4401 != PackageManager.PERMISSION_GRANTED 4402 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4403 != PackageManager.PERMISSION_GRANTED) { 4404 throw new SecurityException(message + " requires " 4405 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4406 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4407 } 4408 } 4409 4410 @Override 4411 public boolean shouldShowRequestPermissionRationale(String permissionName, 4412 String packageName, int userId) { 4413 if (UserHandle.getCallingUserId() != userId) { 4414 mContext.enforceCallingPermission( 4415 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4416 "canShowRequestPermissionRationale for user " + userId); 4417 } 4418 4419 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4420 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4421 return false; 4422 } 4423 4424 if (checkPermission(permissionName, packageName, userId) 4425 == PackageManager.PERMISSION_GRANTED) { 4426 return false; 4427 } 4428 4429 final int flags; 4430 4431 final long identity = Binder.clearCallingIdentity(); 4432 try { 4433 flags = getPermissionFlags(permissionName, 4434 packageName, userId); 4435 } finally { 4436 Binder.restoreCallingIdentity(identity); 4437 } 4438 4439 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4440 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4441 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4442 4443 if ((flags & fixedFlags) != 0) { 4444 return false; 4445 } 4446 4447 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4448 } 4449 4450 @Override 4451 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4452 mContext.enforceCallingOrSelfPermission( 4453 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4454 "addOnPermissionsChangeListener"); 4455 4456 synchronized (mPackages) { 4457 mOnPermissionChangeListeners.addListenerLocked(listener); 4458 } 4459 } 4460 4461 @Override 4462 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4463 synchronized (mPackages) { 4464 mOnPermissionChangeListeners.removeListenerLocked(listener); 4465 } 4466 } 4467 4468 @Override 4469 public boolean isProtectedBroadcast(String actionName) { 4470 synchronized (mPackages) { 4471 if (mProtectedBroadcasts.contains(actionName)) { 4472 return true; 4473 } else if (actionName != null) { 4474 // TODO: remove these terrible hacks 4475 if (actionName.startsWith("android.net.netmon.lingerExpired") 4476 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4477 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4478 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4479 return true; 4480 } 4481 } 4482 } 4483 return false; 4484 } 4485 4486 @Override 4487 public int checkSignatures(String pkg1, String pkg2) { 4488 synchronized (mPackages) { 4489 final PackageParser.Package p1 = mPackages.get(pkg1); 4490 final PackageParser.Package p2 = mPackages.get(pkg2); 4491 if (p1 == null || p1.mExtras == null 4492 || p2 == null || p2.mExtras == null) { 4493 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4494 } 4495 return compareSignatures(p1.mSignatures, p2.mSignatures); 4496 } 4497 } 4498 4499 @Override 4500 public int checkUidSignatures(int uid1, int uid2) { 4501 // Map to base uids. 4502 uid1 = UserHandle.getAppId(uid1); 4503 uid2 = UserHandle.getAppId(uid2); 4504 // reader 4505 synchronized (mPackages) { 4506 Signature[] s1; 4507 Signature[] s2; 4508 Object obj = mSettings.getUserIdLPr(uid1); 4509 if (obj != null) { 4510 if (obj instanceof SharedUserSetting) { 4511 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4512 } else if (obj instanceof PackageSetting) { 4513 s1 = ((PackageSetting)obj).signatures.mSignatures; 4514 } else { 4515 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4516 } 4517 } else { 4518 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4519 } 4520 obj = mSettings.getUserIdLPr(uid2); 4521 if (obj != null) { 4522 if (obj instanceof SharedUserSetting) { 4523 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4524 } else if (obj instanceof PackageSetting) { 4525 s2 = ((PackageSetting)obj).signatures.mSignatures; 4526 } else { 4527 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4528 } 4529 } else { 4530 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4531 } 4532 return compareSignatures(s1, s2); 4533 } 4534 } 4535 4536 /** 4537 * This method should typically only be used when granting or revoking 4538 * permissions, since the app may immediately restart after this call. 4539 * <p> 4540 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4541 * guard your work against the app being relaunched. 4542 */ 4543 private void killUid(int appId, int userId, String reason) { 4544 final long identity = Binder.clearCallingIdentity(); 4545 try { 4546 IActivityManager am = ActivityManagerNative.getDefault(); 4547 if (am != null) { 4548 try { 4549 am.killUid(appId, userId, reason); 4550 } catch (RemoteException e) { 4551 /* ignore - same process */ 4552 } 4553 } 4554 } finally { 4555 Binder.restoreCallingIdentity(identity); 4556 } 4557 } 4558 4559 /** 4560 * Compares two sets of signatures. Returns: 4561 * <br /> 4562 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4563 * <br /> 4564 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4565 * <br /> 4566 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4567 * <br /> 4568 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4569 * <br /> 4570 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4571 */ 4572 static int compareSignatures(Signature[] s1, Signature[] s2) { 4573 if (s1 == null) { 4574 return s2 == null 4575 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4576 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4577 } 4578 4579 if (s2 == null) { 4580 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4581 } 4582 4583 if (s1.length != s2.length) { 4584 return PackageManager.SIGNATURE_NO_MATCH; 4585 } 4586 4587 // Since both signature sets are of size 1, we can compare without HashSets. 4588 if (s1.length == 1) { 4589 return s1[0].equals(s2[0]) ? 4590 PackageManager.SIGNATURE_MATCH : 4591 PackageManager.SIGNATURE_NO_MATCH; 4592 } 4593 4594 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4595 for (Signature sig : s1) { 4596 set1.add(sig); 4597 } 4598 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4599 for (Signature sig : s2) { 4600 set2.add(sig); 4601 } 4602 // Make sure s2 contains all signatures in s1. 4603 if (set1.equals(set2)) { 4604 return PackageManager.SIGNATURE_MATCH; 4605 } 4606 return PackageManager.SIGNATURE_NO_MATCH; 4607 } 4608 4609 /** 4610 * If the database version for this type of package (internal storage or 4611 * external storage) is less than the version where package signatures 4612 * were updated, return true. 4613 */ 4614 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4615 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4616 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4617 } 4618 4619 /** 4620 * Used for backward compatibility to make sure any packages with 4621 * certificate chains get upgraded to the new style. {@code existingSigs} 4622 * will be in the old format (since they were stored on disk from before the 4623 * system upgrade) and {@code scannedSigs} will be in the newer format. 4624 */ 4625 private int compareSignaturesCompat(PackageSignatures existingSigs, 4626 PackageParser.Package scannedPkg) { 4627 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4628 return PackageManager.SIGNATURE_NO_MATCH; 4629 } 4630 4631 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4632 for (Signature sig : existingSigs.mSignatures) { 4633 existingSet.add(sig); 4634 } 4635 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4636 for (Signature sig : scannedPkg.mSignatures) { 4637 try { 4638 Signature[] chainSignatures = sig.getChainSignatures(); 4639 for (Signature chainSig : chainSignatures) { 4640 scannedCompatSet.add(chainSig); 4641 } 4642 } catch (CertificateEncodingException e) { 4643 scannedCompatSet.add(sig); 4644 } 4645 } 4646 /* 4647 * Make sure the expanded scanned set contains all signatures in the 4648 * existing one. 4649 */ 4650 if (scannedCompatSet.equals(existingSet)) { 4651 // Migrate the old signatures to the new scheme. 4652 existingSigs.assignSignatures(scannedPkg.mSignatures); 4653 // The new KeySets will be re-added later in the scanning process. 4654 synchronized (mPackages) { 4655 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4656 } 4657 return PackageManager.SIGNATURE_MATCH; 4658 } 4659 return PackageManager.SIGNATURE_NO_MATCH; 4660 } 4661 4662 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4663 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4664 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4665 } 4666 4667 private int compareSignaturesRecover(PackageSignatures existingSigs, 4668 PackageParser.Package scannedPkg) { 4669 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4670 return PackageManager.SIGNATURE_NO_MATCH; 4671 } 4672 4673 String msg = null; 4674 try { 4675 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4676 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4677 + scannedPkg.packageName); 4678 return PackageManager.SIGNATURE_MATCH; 4679 } 4680 } catch (CertificateException e) { 4681 msg = e.getMessage(); 4682 } 4683 4684 logCriticalInfo(Log.INFO, 4685 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4686 return PackageManager.SIGNATURE_NO_MATCH; 4687 } 4688 4689 @Override 4690 public List<String> getAllPackages() { 4691 synchronized (mPackages) { 4692 return new ArrayList<String>(mPackages.keySet()); 4693 } 4694 } 4695 4696 @Override 4697 public String[] getPackagesForUid(int uid) { 4698 uid = UserHandle.getAppId(uid); 4699 // reader 4700 synchronized (mPackages) { 4701 Object obj = mSettings.getUserIdLPr(uid); 4702 if (obj instanceof SharedUserSetting) { 4703 final SharedUserSetting sus = (SharedUserSetting) obj; 4704 final int N = sus.packages.size(); 4705 final String[] res = new String[N]; 4706 final Iterator<PackageSetting> it = sus.packages.iterator(); 4707 int i = 0; 4708 while (it.hasNext()) { 4709 res[i++] = it.next().name; 4710 } 4711 return res; 4712 } else if (obj instanceof PackageSetting) { 4713 final PackageSetting ps = (PackageSetting) obj; 4714 return new String[] { ps.name }; 4715 } 4716 } 4717 return null; 4718 } 4719 4720 @Override 4721 public String getNameForUid(int uid) { 4722 // reader 4723 synchronized (mPackages) { 4724 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4725 if (obj instanceof SharedUserSetting) { 4726 final SharedUserSetting sus = (SharedUserSetting) obj; 4727 return sus.name + ":" + sus.userId; 4728 } else if (obj instanceof PackageSetting) { 4729 final PackageSetting ps = (PackageSetting) obj; 4730 return ps.name; 4731 } 4732 } 4733 return null; 4734 } 4735 4736 @Override 4737 public int getUidForSharedUser(String sharedUserName) { 4738 if(sharedUserName == null) { 4739 return -1; 4740 } 4741 // reader 4742 synchronized (mPackages) { 4743 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4744 if (suid == null) { 4745 return -1; 4746 } 4747 return suid.userId; 4748 } 4749 } 4750 4751 @Override 4752 public int getFlagsForUid(int uid) { 4753 synchronized (mPackages) { 4754 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4755 if (obj instanceof SharedUserSetting) { 4756 final SharedUserSetting sus = (SharedUserSetting) obj; 4757 return sus.pkgFlags; 4758 } else if (obj instanceof PackageSetting) { 4759 final PackageSetting ps = (PackageSetting) obj; 4760 return ps.pkgFlags; 4761 } 4762 } 4763 return 0; 4764 } 4765 4766 @Override 4767 public int getPrivateFlagsForUid(int uid) { 4768 synchronized (mPackages) { 4769 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4770 if (obj instanceof SharedUserSetting) { 4771 final SharedUserSetting sus = (SharedUserSetting) obj; 4772 return sus.pkgPrivateFlags; 4773 } else if (obj instanceof PackageSetting) { 4774 final PackageSetting ps = (PackageSetting) obj; 4775 return ps.pkgPrivateFlags; 4776 } 4777 } 4778 return 0; 4779 } 4780 4781 @Override 4782 public boolean isUidPrivileged(int uid) { 4783 uid = UserHandle.getAppId(uid); 4784 // reader 4785 synchronized (mPackages) { 4786 Object obj = mSettings.getUserIdLPr(uid); 4787 if (obj instanceof SharedUserSetting) { 4788 final SharedUserSetting sus = (SharedUserSetting) obj; 4789 final Iterator<PackageSetting> it = sus.packages.iterator(); 4790 while (it.hasNext()) { 4791 if (it.next().isPrivileged()) { 4792 return true; 4793 } 4794 } 4795 } else if (obj instanceof PackageSetting) { 4796 final PackageSetting ps = (PackageSetting) obj; 4797 return ps.isPrivileged(); 4798 } 4799 } 4800 return false; 4801 } 4802 4803 @Override 4804 public String[] getAppOpPermissionPackages(String permissionName) { 4805 synchronized (mPackages) { 4806 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4807 if (pkgs == null) { 4808 return null; 4809 } 4810 return pkgs.toArray(new String[pkgs.size()]); 4811 } 4812 } 4813 4814 @Override 4815 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4816 int flags, int userId) { 4817 try { 4818 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4819 4820 if (!sUserManager.exists(userId)) return null; 4821 flags = updateFlagsForResolve(flags, userId, intent); 4822 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4823 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4824 4825 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4826 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4827 flags, userId); 4828 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4829 4830 final ResolveInfo bestChoice = 4831 chooseBestActivity(intent, resolvedType, flags, query, userId); 4832 4833 if (isEphemeralAllowed(intent, query, userId)) { 4834 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4835 final EphemeralResolveInfo ai = 4836 getEphemeralResolveInfo(intent, resolvedType, userId); 4837 if (ai != null) { 4838 if (DEBUG_EPHEMERAL) { 4839 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4840 } 4841 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4842 bestChoice.ephemeralResolveInfo = ai; 4843 } 4844 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4845 } 4846 return bestChoice; 4847 } finally { 4848 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4849 } 4850 } 4851 4852 @Override 4853 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4854 IntentFilter filter, int match, ComponentName activity) { 4855 final int userId = UserHandle.getCallingUserId(); 4856 if (DEBUG_PREFERRED) { 4857 Log.v(TAG, "setLastChosenActivity intent=" + intent 4858 + " resolvedType=" + resolvedType 4859 + " flags=" + flags 4860 + " filter=" + filter 4861 + " match=" + match 4862 + " activity=" + activity); 4863 filter.dump(new PrintStreamPrinter(System.out), " "); 4864 } 4865 intent.setComponent(null); 4866 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4867 userId); 4868 // Find any earlier preferred or last chosen entries and nuke them 4869 findPreferredActivity(intent, resolvedType, 4870 flags, query, 0, false, true, false, userId); 4871 // Add the new activity as the last chosen for this filter 4872 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4873 "Setting last chosen"); 4874 } 4875 4876 @Override 4877 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4878 final int userId = UserHandle.getCallingUserId(); 4879 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4880 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4881 userId); 4882 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4883 false, false, false, userId); 4884 } 4885 4886 4887 private boolean isEphemeralAllowed( 4888 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4889 // Short circuit and return early if possible. 4890 if (DISABLE_EPHEMERAL_APPS) { 4891 return false; 4892 } 4893 final int callingUser = UserHandle.getCallingUserId(); 4894 if (callingUser != UserHandle.USER_SYSTEM) { 4895 return false; 4896 } 4897 if (mEphemeralResolverConnection == null) { 4898 return false; 4899 } 4900 if (intent.getComponent() != null) { 4901 return false; 4902 } 4903 if (intent.getPackage() != null) { 4904 return false; 4905 } 4906 final boolean isWebUri = hasWebURI(intent); 4907 if (!isWebUri) { 4908 return false; 4909 } 4910 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4911 synchronized (mPackages) { 4912 final int count = resolvedActivites.size(); 4913 for (int n = 0; n < count; n++) { 4914 ResolveInfo info = resolvedActivites.get(n); 4915 String packageName = info.activityInfo.packageName; 4916 PackageSetting ps = mSettings.mPackages.get(packageName); 4917 if (ps != null) { 4918 // Try to get the status from User settings first 4919 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4920 int status = (int) (packedStatus >> 32); 4921 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4922 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4923 if (DEBUG_EPHEMERAL) { 4924 Slog.v(TAG, "DENY ephemeral apps;" 4925 + " pkg: " + packageName + ", status: " + status); 4926 } 4927 return false; 4928 } 4929 } 4930 } 4931 } 4932 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4933 return true; 4934 } 4935 4936 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4937 int userId) { 4938 MessageDigest digest = null; 4939 try { 4940 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4941 } catch (NoSuchAlgorithmException e) { 4942 // If we can't create a digest, ignore ephemeral apps. 4943 return null; 4944 } 4945 4946 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4947 final byte[] digestBytes = digest.digest(hostBytes); 4948 int shaPrefix = 4949 digestBytes[0] << 24 4950 | digestBytes[1] << 16 4951 | digestBytes[2] << 8 4952 | digestBytes[3] << 0; 4953 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4954 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4955 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4956 // No hash prefix match; there are no ephemeral apps for this domain. 4957 return null; 4958 } 4959 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4960 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4961 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4962 continue; 4963 } 4964 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4965 // No filters; this should never happen. 4966 if (filters.isEmpty()) { 4967 continue; 4968 } 4969 // We have a domain match; resolve the filters to see if anything matches. 4970 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4971 for (int j = filters.size() - 1; j >= 0; --j) { 4972 final EphemeralResolveIntentInfo intentInfo = 4973 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4974 ephemeralResolver.addFilter(intentInfo); 4975 } 4976 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4977 intent, resolvedType, false /*defaultOnly*/, userId); 4978 if (!matchedResolveInfoList.isEmpty()) { 4979 return matchedResolveInfoList.get(0); 4980 } 4981 } 4982 // Hash or filter mis-match; no ephemeral apps for this domain. 4983 return null; 4984 } 4985 4986 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4987 int flags, List<ResolveInfo> query, int userId) { 4988 if (query != null) { 4989 final int N = query.size(); 4990 if (N == 1) { 4991 return query.get(0); 4992 } else if (N > 1) { 4993 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4994 // If there is more than one activity with the same priority, 4995 // then let the user decide between them. 4996 ResolveInfo r0 = query.get(0); 4997 ResolveInfo r1 = query.get(1); 4998 if (DEBUG_INTENT_MATCHING || debug) { 4999 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5000 + r1.activityInfo.name + "=" + r1.priority); 5001 } 5002 // If the first activity has a higher priority, or a different 5003 // default, then it is always desirable to pick it. 5004 if (r0.priority != r1.priority 5005 || r0.preferredOrder != r1.preferredOrder 5006 || r0.isDefault != r1.isDefault) { 5007 return query.get(0); 5008 } 5009 // If we have saved a preference for a preferred activity for 5010 // this Intent, use that. 5011 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5012 flags, query, r0.priority, true, false, debug, userId); 5013 if (ri != null) { 5014 return ri; 5015 } 5016 ri = new ResolveInfo(mResolveInfo); 5017 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5018 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5019 ri.activityInfo.applicationInfo = new ApplicationInfo( 5020 ri.activityInfo.applicationInfo); 5021 if (userId != 0) { 5022 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5023 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5024 } 5025 // Make sure that the resolver is displayable in car mode 5026 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5027 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5028 return ri; 5029 } 5030 } 5031 return null; 5032 } 5033 5034 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5035 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5036 final int N = query.size(); 5037 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5038 .get(userId); 5039 // Get the list of persistent preferred activities that handle the intent 5040 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5041 List<PersistentPreferredActivity> pprefs = ppir != null 5042 ? ppir.queryIntent(intent, resolvedType, 5043 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5044 : null; 5045 if (pprefs != null && pprefs.size() > 0) { 5046 final int M = pprefs.size(); 5047 for (int i=0; i<M; i++) { 5048 final PersistentPreferredActivity ppa = pprefs.get(i); 5049 if (DEBUG_PREFERRED || debug) { 5050 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5051 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5052 + "\n component=" + ppa.mComponent); 5053 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5054 } 5055 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5056 flags | MATCH_DISABLED_COMPONENTS, userId); 5057 if (DEBUG_PREFERRED || debug) { 5058 Slog.v(TAG, "Found persistent preferred activity:"); 5059 if (ai != null) { 5060 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5061 } else { 5062 Slog.v(TAG, " null"); 5063 } 5064 } 5065 if (ai == null) { 5066 // This previously registered persistent preferred activity 5067 // component is no longer known. Ignore it and do NOT remove it. 5068 continue; 5069 } 5070 for (int j=0; j<N; j++) { 5071 final ResolveInfo ri = query.get(j); 5072 if (!ri.activityInfo.applicationInfo.packageName 5073 .equals(ai.applicationInfo.packageName)) { 5074 continue; 5075 } 5076 if (!ri.activityInfo.name.equals(ai.name)) { 5077 continue; 5078 } 5079 // Found a persistent preference that can handle the intent. 5080 if (DEBUG_PREFERRED || debug) { 5081 Slog.v(TAG, "Returning persistent preferred activity: " + 5082 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5083 } 5084 return ri; 5085 } 5086 } 5087 } 5088 return null; 5089 } 5090 5091 // TODO: handle preferred activities missing while user has amnesia 5092 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5093 List<ResolveInfo> query, int priority, boolean always, 5094 boolean removeMatches, boolean debug, int userId) { 5095 if (!sUserManager.exists(userId)) return null; 5096 flags = updateFlagsForResolve(flags, userId, intent); 5097 // writer 5098 synchronized (mPackages) { 5099 if (intent.getSelector() != null) { 5100 intent = intent.getSelector(); 5101 } 5102 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5103 5104 // Try to find a matching persistent preferred activity. 5105 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5106 debug, userId); 5107 5108 // If a persistent preferred activity matched, use it. 5109 if (pri != null) { 5110 return pri; 5111 } 5112 5113 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5114 // Get the list of preferred activities that handle the intent 5115 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5116 List<PreferredActivity> prefs = pir != null 5117 ? pir.queryIntent(intent, resolvedType, 5118 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5119 : null; 5120 if (prefs != null && prefs.size() > 0) { 5121 boolean changed = false; 5122 try { 5123 // First figure out how good the original match set is. 5124 // We will only allow preferred activities that came 5125 // from the same match quality. 5126 int match = 0; 5127 5128 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5129 5130 final int N = query.size(); 5131 for (int j=0; j<N; j++) { 5132 final ResolveInfo ri = query.get(j); 5133 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5134 + ": 0x" + Integer.toHexString(match)); 5135 if (ri.match > match) { 5136 match = ri.match; 5137 } 5138 } 5139 5140 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5141 + Integer.toHexString(match)); 5142 5143 match &= IntentFilter.MATCH_CATEGORY_MASK; 5144 final int M = prefs.size(); 5145 for (int i=0; i<M; i++) { 5146 final PreferredActivity pa = prefs.get(i); 5147 if (DEBUG_PREFERRED || debug) { 5148 Slog.v(TAG, "Checking PreferredActivity ds=" 5149 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5150 + "\n component=" + pa.mPref.mComponent); 5151 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5152 } 5153 if (pa.mPref.mMatch != match) { 5154 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5155 + Integer.toHexString(pa.mPref.mMatch)); 5156 continue; 5157 } 5158 // If it's not an "always" type preferred activity and that's what we're 5159 // looking for, skip it. 5160 if (always && !pa.mPref.mAlways) { 5161 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5162 continue; 5163 } 5164 final ActivityInfo ai = getActivityInfo( 5165 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5166 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5167 userId); 5168 if (DEBUG_PREFERRED || debug) { 5169 Slog.v(TAG, "Found preferred activity:"); 5170 if (ai != null) { 5171 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5172 } else { 5173 Slog.v(TAG, " null"); 5174 } 5175 } 5176 if (ai == null) { 5177 // This previously registered preferred activity 5178 // component is no longer known. Most likely an update 5179 // to the app was installed and in the new version this 5180 // component no longer exists. Clean it up by removing 5181 // it from the preferred activities list, and skip it. 5182 Slog.w(TAG, "Removing dangling preferred activity: " 5183 + pa.mPref.mComponent); 5184 pir.removeFilter(pa); 5185 changed = true; 5186 continue; 5187 } 5188 for (int j=0; j<N; j++) { 5189 final ResolveInfo ri = query.get(j); 5190 if (!ri.activityInfo.applicationInfo.packageName 5191 .equals(ai.applicationInfo.packageName)) { 5192 continue; 5193 } 5194 if (!ri.activityInfo.name.equals(ai.name)) { 5195 continue; 5196 } 5197 5198 if (removeMatches) { 5199 pir.removeFilter(pa); 5200 changed = true; 5201 if (DEBUG_PREFERRED) { 5202 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5203 } 5204 break; 5205 } 5206 5207 // Okay we found a previously set preferred or last chosen app. 5208 // If the result set is different from when this 5209 // was created, we need to clear it and re-ask the 5210 // user their preference, if we're looking for an "always" type entry. 5211 if (always && !pa.mPref.sameSet(query)) { 5212 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5213 + intent + " type " + resolvedType); 5214 if (DEBUG_PREFERRED) { 5215 Slog.v(TAG, "Removing preferred activity since set changed " 5216 + pa.mPref.mComponent); 5217 } 5218 pir.removeFilter(pa); 5219 // Re-add the filter as a "last chosen" entry (!always) 5220 PreferredActivity lastChosen = new PreferredActivity( 5221 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5222 pir.addFilter(lastChosen); 5223 changed = true; 5224 return null; 5225 } 5226 5227 // Yay! Either the set matched or we're looking for the last chosen 5228 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5229 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5230 return ri; 5231 } 5232 } 5233 } finally { 5234 if (changed) { 5235 if (DEBUG_PREFERRED) { 5236 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5237 } 5238 scheduleWritePackageRestrictionsLocked(userId); 5239 } 5240 } 5241 } 5242 } 5243 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5244 return null; 5245 } 5246 5247 /* 5248 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5249 */ 5250 @Override 5251 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5252 int targetUserId) { 5253 mContext.enforceCallingOrSelfPermission( 5254 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5255 List<CrossProfileIntentFilter> matches = 5256 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5257 if (matches != null) { 5258 int size = matches.size(); 5259 for (int i = 0; i < size; i++) { 5260 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5261 } 5262 } 5263 if (hasWebURI(intent)) { 5264 // cross-profile app linking works only towards the parent. 5265 final UserInfo parent = getProfileParent(sourceUserId); 5266 synchronized(mPackages) { 5267 int flags = updateFlagsForResolve(0, parent.id, intent); 5268 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5269 intent, resolvedType, flags, sourceUserId, parent.id); 5270 return xpDomainInfo != null; 5271 } 5272 } 5273 return false; 5274 } 5275 5276 private UserInfo getProfileParent(int userId) { 5277 final long identity = Binder.clearCallingIdentity(); 5278 try { 5279 return sUserManager.getProfileParent(userId); 5280 } finally { 5281 Binder.restoreCallingIdentity(identity); 5282 } 5283 } 5284 5285 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5286 String resolvedType, int userId) { 5287 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5288 if (resolver != null) { 5289 return resolver.queryIntent(intent, resolvedType, false, userId); 5290 } 5291 return null; 5292 } 5293 5294 @Override 5295 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5296 String resolvedType, int flags, int userId) { 5297 try { 5298 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5299 5300 return new ParceledListSlice<>( 5301 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5302 } finally { 5303 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5304 } 5305 } 5306 5307 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5308 String resolvedType, int flags, int userId) { 5309 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5310 flags = updateFlagsForResolve(flags, userId, intent); 5311 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5312 false /* requireFullPermission */, false /* checkShell */, 5313 "query intent activities"); 5314 ComponentName comp = intent.getComponent(); 5315 if (comp == null) { 5316 if (intent.getSelector() != null) { 5317 intent = intent.getSelector(); 5318 comp = intent.getComponent(); 5319 } 5320 } 5321 5322 if (comp != null) { 5323 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5324 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5325 if (ai != null) { 5326 final ResolveInfo ri = new ResolveInfo(); 5327 ri.activityInfo = ai; 5328 list.add(ri); 5329 } 5330 return list; 5331 } 5332 5333 // reader 5334 synchronized (mPackages) { 5335 final String pkgName = intent.getPackage(); 5336 if (pkgName == null) { 5337 List<CrossProfileIntentFilter> matchingFilters = 5338 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5339 // Check for results that need to skip the current profile. 5340 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5341 resolvedType, flags, userId); 5342 if (xpResolveInfo != null) { 5343 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5344 result.add(xpResolveInfo); 5345 return filterIfNotSystemUser(result, userId); 5346 } 5347 5348 // Check for results in the current profile. 5349 List<ResolveInfo> result = mActivities.queryIntent( 5350 intent, resolvedType, flags, userId); 5351 result = filterIfNotSystemUser(result, userId); 5352 5353 // Check for cross profile results. 5354 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5355 xpResolveInfo = queryCrossProfileIntents( 5356 matchingFilters, intent, resolvedType, flags, userId, 5357 hasNonNegativePriorityResult); 5358 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5359 boolean isVisibleToUser = filterIfNotSystemUser( 5360 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5361 if (isVisibleToUser) { 5362 result.add(xpResolveInfo); 5363 Collections.sort(result, mResolvePrioritySorter); 5364 } 5365 } 5366 if (hasWebURI(intent)) { 5367 CrossProfileDomainInfo xpDomainInfo = null; 5368 final UserInfo parent = getProfileParent(userId); 5369 if (parent != null) { 5370 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5371 flags, userId, parent.id); 5372 } 5373 if (xpDomainInfo != null) { 5374 if (xpResolveInfo != null) { 5375 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5376 // in the result. 5377 result.remove(xpResolveInfo); 5378 } 5379 if (result.size() == 0) { 5380 result.add(xpDomainInfo.resolveInfo); 5381 return result; 5382 } 5383 } else if (result.size() <= 1) { 5384 return result; 5385 } 5386 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5387 xpDomainInfo, userId); 5388 Collections.sort(result, mResolvePrioritySorter); 5389 } 5390 return result; 5391 } 5392 final PackageParser.Package pkg = mPackages.get(pkgName); 5393 if (pkg != null) { 5394 return filterIfNotSystemUser( 5395 mActivities.queryIntentForPackage( 5396 intent, resolvedType, flags, pkg.activities, userId), 5397 userId); 5398 } 5399 return new ArrayList<ResolveInfo>(); 5400 } 5401 } 5402 5403 private static class CrossProfileDomainInfo { 5404 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5405 ResolveInfo resolveInfo; 5406 /* Best domain verification status of the activities found in the other profile */ 5407 int bestDomainVerificationStatus; 5408 } 5409 5410 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5411 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5412 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5413 sourceUserId)) { 5414 return null; 5415 } 5416 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5417 resolvedType, flags, parentUserId); 5418 5419 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5420 return null; 5421 } 5422 CrossProfileDomainInfo result = null; 5423 int size = resultTargetUser.size(); 5424 for (int i = 0; i < size; i++) { 5425 ResolveInfo riTargetUser = resultTargetUser.get(i); 5426 // Intent filter verification is only for filters that specify a host. So don't return 5427 // those that handle all web uris. 5428 if (riTargetUser.handleAllWebDataURI) { 5429 continue; 5430 } 5431 String packageName = riTargetUser.activityInfo.packageName; 5432 PackageSetting ps = mSettings.mPackages.get(packageName); 5433 if (ps == null) { 5434 continue; 5435 } 5436 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5437 int status = (int)(verificationState >> 32); 5438 if (result == null) { 5439 result = new CrossProfileDomainInfo(); 5440 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5441 sourceUserId, parentUserId); 5442 result.bestDomainVerificationStatus = status; 5443 } else { 5444 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5445 result.bestDomainVerificationStatus); 5446 } 5447 } 5448 // Don't consider matches with status NEVER across profiles. 5449 if (result != null && result.bestDomainVerificationStatus 5450 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5451 return null; 5452 } 5453 return result; 5454 } 5455 5456 /** 5457 * Verification statuses are ordered from the worse to the best, except for 5458 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5459 */ 5460 private int bestDomainVerificationStatus(int status1, int status2) { 5461 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5462 return status2; 5463 } 5464 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5465 return status1; 5466 } 5467 return (int) MathUtils.max(status1, status2); 5468 } 5469 5470 private boolean isUserEnabled(int userId) { 5471 long callingId = Binder.clearCallingIdentity(); 5472 try { 5473 UserInfo userInfo = sUserManager.getUserInfo(userId); 5474 return userInfo != null && userInfo.isEnabled(); 5475 } finally { 5476 Binder.restoreCallingIdentity(callingId); 5477 } 5478 } 5479 5480 /** 5481 * Filter out activities with systemUserOnly flag set, when current user is not System. 5482 * 5483 * @return filtered list 5484 */ 5485 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5486 if (userId == UserHandle.USER_SYSTEM) { 5487 return resolveInfos; 5488 } 5489 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5490 ResolveInfo info = resolveInfos.get(i); 5491 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5492 resolveInfos.remove(i); 5493 } 5494 } 5495 return resolveInfos; 5496 } 5497 5498 /** 5499 * @param resolveInfos list of resolve infos in descending priority order 5500 * @return if the list contains a resolve info with non-negative priority 5501 */ 5502 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5503 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5504 } 5505 5506 private static boolean hasWebURI(Intent intent) { 5507 if (intent.getData() == null) { 5508 return false; 5509 } 5510 final String scheme = intent.getScheme(); 5511 if (TextUtils.isEmpty(scheme)) { 5512 return false; 5513 } 5514 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5515 } 5516 5517 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5518 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5519 int userId) { 5520 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5521 5522 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5523 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5524 candidates.size()); 5525 } 5526 5527 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5528 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5529 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5530 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5531 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5532 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5533 5534 synchronized (mPackages) { 5535 final int count = candidates.size(); 5536 // First, try to use linked apps. Partition the candidates into four lists: 5537 // one for the final results, one for the "do not use ever", one for "undefined status" 5538 // and finally one for "browser app type". 5539 for (int n=0; n<count; n++) { 5540 ResolveInfo info = candidates.get(n); 5541 String packageName = info.activityInfo.packageName; 5542 PackageSetting ps = mSettings.mPackages.get(packageName); 5543 if (ps != null) { 5544 // Add to the special match all list (Browser use case) 5545 if (info.handleAllWebDataURI) { 5546 matchAllList.add(info); 5547 continue; 5548 } 5549 // Try to get the status from User settings first 5550 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5551 int status = (int)(packedStatus >> 32); 5552 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5553 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5554 if (DEBUG_DOMAIN_VERIFICATION) { 5555 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5556 + " : linkgen=" + linkGeneration); 5557 } 5558 // Use link-enabled generation as preferredOrder, i.e. 5559 // prefer newly-enabled over earlier-enabled. 5560 info.preferredOrder = linkGeneration; 5561 alwaysList.add(info); 5562 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5563 if (DEBUG_DOMAIN_VERIFICATION) { 5564 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5565 } 5566 neverList.add(info); 5567 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5568 if (DEBUG_DOMAIN_VERIFICATION) { 5569 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5570 } 5571 alwaysAskList.add(info); 5572 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5573 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5574 if (DEBUG_DOMAIN_VERIFICATION) { 5575 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5576 } 5577 undefinedList.add(info); 5578 } 5579 } 5580 } 5581 5582 // We'll want to include browser possibilities in a few cases 5583 boolean includeBrowser = false; 5584 5585 // First try to add the "always" resolution(s) for the current user, if any 5586 if (alwaysList.size() > 0) { 5587 result.addAll(alwaysList); 5588 } else { 5589 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5590 result.addAll(undefinedList); 5591 // Maybe add one for the other profile. 5592 if (xpDomainInfo != null && ( 5593 xpDomainInfo.bestDomainVerificationStatus 5594 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5595 result.add(xpDomainInfo.resolveInfo); 5596 } 5597 includeBrowser = true; 5598 } 5599 5600 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5601 // If there were 'always' entries their preferred order has been set, so we also 5602 // back that off to make the alternatives equivalent 5603 if (alwaysAskList.size() > 0) { 5604 for (ResolveInfo i : result) { 5605 i.preferredOrder = 0; 5606 } 5607 result.addAll(alwaysAskList); 5608 includeBrowser = true; 5609 } 5610 5611 if (includeBrowser) { 5612 // Also add browsers (all of them or only the default one) 5613 if (DEBUG_DOMAIN_VERIFICATION) { 5614 Slog.v(TAG, " ...including browsers in candidate set"); 5615 } 5616 if ((matchFlags & MATCH_ALL) != 0) { 5617 result.addAll(matchAllList); 5618 } else { 5619 // Browser/generic handling case. If there's a default browser, go straight 5620 // to that (but only if there is no other higher-priority match). 5621 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5622 int maxMatchPrio = 0; 5623 ResolveInfo defaultBrowserMatch = null; 5624 final int numCandidates = matchAllList.size(); 5625 for (int n = 0; n < numCandidates; n++) { 5626 ResolveInfo info = matchAllList.get(n); 5627 // track the highest overall match priority... 5628 if (info.priority > maxMatchPrio) { 5629 maxMatchPrio = info.priority; 5630 } 5631 // ...and the highest-priority default browser match 5632 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5633 if (defaultBrowserMatch == null 5634 || (defaultBrowserMatch.priority < info.priority)) { 5635 if (debug) { 5636 Slog.v(TAG, "Considering default browser match " + info); 5637 } 5638 defaultBrowserMatch = info; 5639 } 5640 } 5641 } 5642 if (defaultBrowserMatch != null 5643 && defaultBrowserMatch.priority >= maxMatchPrio 5644 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5645 { 5646 if (debug) { 5647 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5648 } 5649 result.add(defaultBrowserMatch); 5650 } else { 5651 result.addAll(matchAllList); 5652 } 5653 } 5654 5655 // If there is nothing selected, add all candidates and remove the ones that the user 5656 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5657 if (result.size() == 0) { 5658 result.addAll(candidates); 5659 result.removeAll(neverList); 5660 } 5661 } 5662 } 5663 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5664 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5665 result.size()); 5666 for (ResolveInfo info : result) { 5667 Slog.v(TAG, " + " + info.activityInfo); 5668 } 5669 } 5670 return result; 5671 } 5672 5673 // Returns a packed value as a long: 5674 // 5675 // high 'int'-sized word: link status: undefined/ask/never/always. 5676 // low 'int'-sized word: relative priority among 'always' results. 5677 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5678 long result = ps.getDomainVerificationStatusForUser(userId); 5679 // if none available, get the master status 5680 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5681 if (ps.getIntentFilterVerificationInfo() != null) { 5682 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5683 } 5684 } 5685 return result; 5686 } 5687 5688 private ResolveInfo querySkipCurrentProfileIntents( 5689 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5690 int flags, int sourceUserId) { 5691 if (matchingFilters != null) { 5692 int size = matchingFilters.size(); 5693 for (int i = 0; i < size; i ++) { 5694 CrossProfileIntentFilter filter = matchingFilters.get(i); 5695 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5696 // Checking if there are activities in the target user that can handle the 5697 // intent. 5698 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5699 resolvedType, flags, sourceUserId); 5700 if (resolveInfo != null) { 5701 return resolveInfo; 5702 } 5703 } 5704 } 5705 } 5706 return null; 5707 } 5708 5709 // Return matching ResolveInfo in target user if any. 5710 private ResolveInfo queryCrossProfileIntents( 5711 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5712 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5713 if (matchingFilters != null) { 5714 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5715 // match the same intent. For performance reasons, it is better not to 5716 // run queryIntent twice for the same userId 5717 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5718 int size = matchingFilters.size(); 5719 for (int i = 0; i < size; i++) { 5720 CrossProfileIntentFilter filter = matchingFilters.get(i); 5721 int targetUserId = filter.getTargetUserId(); 5722 boolean skipCurrentProfile = 5723 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5724 boolean skipCurrentProfileIfNoMatchFound = 5725 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5726 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5727 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5728 // Checking if there are activities in the target user that can handle the 5729 // intent. 5730 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5731 resolvedType, flags, sourceUserId); 5732 if (resolveInfo != null) return resolveInfo; 5733 alreadyTriedUserIds.put(targetUserId, true); 5734 } 5735 } 5736 } 5737 return null; 5738 } 5739 5740 /** 5741 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5742 * will forward the intent to the filter's target user. 5743 * Otherwise, returns null. 5744 */ 5745 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5746 String resolvedType, int flags, int sourceUserId) { 5747 int targetUserId = filter.getTargetUserId(); 5748 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5749 resolvedType, flags, targetUserId); 5750 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5751 // If all the matches in the target profile are suspended, return null. 5752 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5753 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5754 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5755 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5756 targetUserId); 5757 } 5758 } 5759 } 5760 return null; 5761 } 5762 5763 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5764 int sourceUserId, int targetUserId) { 5765 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5766 long ident = Binder.clearCallingIdentity(); 5767 boolean targetIsProfile; 5768 try { 5769 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5770 } finally { 5771 Binder.restoreCallingIdentity(ident); 5772 } 5773 String className; 5774 if (targetIsProfile) { 5775 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5776 } else { 5777 className = FORWARD_INTENT_TO_PARENT; 5778 } 5779 ComponentName forwardingActivityComponentName = new ComponentName( 5780 mAndroidApplication.packageName, className); 5781 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5782 sourceUserId); 5783 if (!targetIsProfile) { 5784 forwardingActivityInfo.showUserIcon = targetUserId; 5785 forwardingResolveInfo.noResourceId = true; 5786 } 5787 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5788 forwardingResolveInfo.priority = 0; 5789 forwardingResolveInfo.preferredOrder = 0; 5790 forwardingResolveInfo.match = 0; 5791 forwardingResolveInfo.isDefault = true; 5792 forwardingResolveInfo.filter = filter; 5793 forwardingResolveInfo.targetUserId = targetUserId; 5794 return forwardingResolveInfo; 5795 } 5796 5797 @Override 5798 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5799 Intent[] specifics, String[] specificTypes, Intent intent, 5800 String resolvedType, int flags, int userId) { 5801 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5802 specificTypes, intent, resolvedType, flags, userId)); 5803 } 5804 5805 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5806 Intent[] specifics, String[] specificTypes, Intent intent, 5807 String resolvedType, int flags, int userId) { 5808 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5809 flags = updateFlagsForResolve(flags, userId, intent); 5810 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5811 false /* requireFullPermission */, false /* checkShell */, 5812 "query intent activity options"); 5813 final String resultsAction = intent.getAction(); 5814 5815 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5816 | PackageManager.GET_RESOLVED_FILTER, userId); 5817 5818 if (DEBUG_INTENT_MATCHING) { 5819 Log.v(TAG, "Query " + intent + ": " + results); 5820 } 5821 5822 int specificsPos = 0; 5823 int N; 5824 5825 // todo: note that the algorithm used here is O(N^2). This 5826 // isn't a problem in our current environment, but if we start running 5827 // into situations where we have more than 5 or 10 matches then this 5828 // should probably be changed to something smarter... 5829 5830 // First we go through and resolve each of the specific items 5831 // that were supplied, taking care of removing any corresponding 5832 // duplicate items in the generic resolve list. 5833 if (specifics != null) { 5834 for (int i=0; i<specifics.length; i++) { 5835 final Intent sintent = specifics[i]; 5836 if (sintent == null) { 5837 continue; 5838 } 5839 5840 if (DEBUG_INTENT_MATCHING) { 5841 Log.v(TAG, "Specific #" + i + ": " + sintent); 5842 } 5843 5844 String action = sintent.getAction(); 5845 if (resultsAction != null && resultsAction.equals(action)) { 5846 // If this action was explicitly requested, then don't 5847 // remove things that have it. 5848 action = null; 5849 } 5850 5851 ResolveInfo ri = null; 5852 ActivityInfo ai = null; 5853 5854 ComponentName comp = sintent.getComponent(); 5855 if (comp == null) { 5856 ri = resolveIntent( 5857 sintent, 5858 specificTypes != null ? specificTypes[i] : null, 5859 flags, userId); 5860 if (ri == null) { 5861 continue; 5862 } 5863 if (ri == mResolveInfo) { 5864 // ACK! Must do something better with this. 5865 } 5866 ai = ri.activityInfo; 5867 comp = new ComponentName(ai.applicationInfo.packageName, 5868 ai.name); 5869 } else { 5870 ai = getActivityInfo(comp, flags, userId); 5871 if (ai == null) { 5872 continue; 5873 } 5874 } 5875 5876 // Look for any generic query activities that are duplicates 5877 // of this specific one, and remove them from the results. 5878 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5879 N = results.size(); 5880 int j; 5881 for (j=specificsPos; j<N; j++) { 5882 ResolveInfo sri = results.get(j); 5883 if ((sri.activityInfo.name.equals(comp.getClassName()) 5884 && sri.activityInfo.applicationInfo.packageName.equals( 5885 comp.getPackageName())) 5886 || (action != null && sri.filter.matchAction(action))) { 5887 results.remove(j); 5888 if (DEBUG_INTENT_MATCHING) Log.v( 5889 TAG, "Removing duplicate item from " + j 5890 + " due to specific " + specificsPos); 5891 if (ri == null) { 5892 ri = sri; 5893 } 5894 j--; 5895 N--; 5896 } 5897 } 5898 5899 // Add this specific item to its proper place. 5900 if (ri == null) { 5901 ri = new ResolveInfo(); 5902 ri.activityInfo = ai; 5903 } 5904 results.add(specificsPos, ri); 5905 ri.specificIndex = i; 5906 specificsPos++; 5907 } 5908 } 5909 5910 // Now we go through the remaining generic results and remove any 5911 // duplicate actions that are found here. 5912 N = results.size(); 5913 for (int i=specificsPos; i<N-1; i++) { 5914 final ResolveInfo rii = results.get(i); 5915 if (rii.filter == null) { 5916 continue; 5917 } 5918 5919 // Iterate over all of the actions of this result's intent 5920 // filter... typically this should be just one. 5921 final Iterator<String> it = rii.filter.actionsIterator(); 5922 if (it == null) { 5923 continue; 5924 } 5925 while (it.hasNext()) { 5926 final String action = it.next(); 5927 if (resultsAction != null && resultsAction.equals(action)) { 5928 // If this action was explicitly requested, then don't 5929 // remove things that have it. 5930 continue; 5931 } 5932 for (int j=i+1; j<N; j++) { 5933 final ResolveInfo rij = results.get(j); 5934 if (rij.filter != null && rij.filter.hasAction(action)) { 5935 results.remove(j); 5936 if (DEBUG_INTENT_MATCHING) Log.v( 5937 TAG, "Removing duplicate item from " + j 5938 + " due to action " + action + " at " + i); 5939 j--; 5940 N--; 5941 } 5942 } 5943 } 5944 5945 // If the caller didn't request filter information, drop it now 5946 // so we don't have to marshall/unmarshall it. 5947 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5948 rii.filter = null; 5949 } 5950 } 5951 5952 // Filter out the caller activity if so requested. 5953 if (caller != null) { 5954 N = results.size(); 5955 for (int i=0; i<N; i++) { 5956 ActivityInfo ainfo = results.get(i).activityInfo; 5957 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5958 && caller.getClassName().equals(ainfo.name)) { 5959 results.remove(i); 5960 break; 5961 } 5962 } 5963 } 5964 5965 // If the caller didn't request filter information, 5966 // drop them now so we don't have to 5967 // marshall/unmarshall it. 5968 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5969 N = results.size(); 5970 for (int i=0; i<N; i++) { 5971 results.get(i).filter = null; 5972 } 5973 } 5974 5975 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5976 return results; 5977 } 5978 5979 @Override 5980 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5981 String resolvedType, int flags, int userId) { 5982 return new ParceledListSlice<>( 5983 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5984 } 5985 5986 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5987 String resolvedType, int flags, int userId) { 5988 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5989 flags = updateFlagsForResolve(flags, userId, intent); 5990 ComponentName comp = intent.getComponent(); 5991 if (comp == null) { 5992 if (intent.getSelector() != null) { 5993 intent = intent.getSelector(); 5994 comp = intent.getComponent(); 5995 } 5996 } 5997 if (comp != null) { 5998 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5999 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6000 if (ai != null) { 6001 ResolveInfo ri = new ResolveInfo(); 6002 ri.activityInfo = ai; 6003 list.add(ri); 6004 } 6005 return list; 6006 } 6007 6008 // reader 6009 synchronized (mPackages) { 6010 String pkgName = intent.getPackage(); 6011 if (pkgName == null) { 6012 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6013 } 6014 final PackageParser.Package pkg = mPackages.get(pkgName); 6015 if (pkg != null) { 6016 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6017 userId); 6018 } 6019 return Collections.emptyList(); 6020 } 6021 } 6022 6023 @Override 6024 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6025 if (!sUserManager.exists(userId)) return null; 6026 flags = updateFlagsForResolve(flags, userId, intent); 6027 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6028 if (query != null) { 6029 if (query.size() >= 1) { 6030 // If there is more than one service with the same priority, 6031 // just arbitrarily pick the first one. 6032 return query.get(0); 6033 } 6034 } 6035 return null; 6036 } 6037 6038 @Override 6039 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6040 String resolvedType, int flags, int userId) { 6041 return new ParceledListSlice<>( 6042 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6043 } 6044 6045 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6046 String resolvedType, int flags, int userId) { 6047 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6048 flags = updateFlagsForResolve(flags, userId, intent); 6049 ComponentName comp = intent.getComponent(); 6050 if (comp == null) { 6051 if (intent.getSelector() != null) { 6052 intent = intent.getSelector(); 6053 comp = intent.getComponent(); 6054 } 6055 } 6056 if (comp != null) { 6057 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6058 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6059 if (si != null) { 6060 final ResolveInfo ri = new ResolveInfo(); 6061 ri.serviceInfo = si; 6062 list.add(ri); 6063 } 6064 return list; 6065 } 6066 6067 // reader 6068 synchronized (mPackages) { 6069 String pkgName = intent.getPackage(); 6070 if (pkgName == null) { 6071 return mServices.queryIntent(intent, resolvedType, flags, userId); 6072 } 6073 final PackageParser.Package pkg = mPackages.get(pkgName); 6074 if (pkg != null) { 6075 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6076 userId); 6077 } 6078 return Collections.emptyList(); 6079 } 6080 } 6081 6082 @Override 6083 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6084 String resolvedType, int flags, int userId) { 6085 return new ParceledListSlice<>( 6086 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6087 } 6088 6089 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6090 Intent intent, String resolvedType, int flags, int userId) { 6091 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6092 flags = updateFlagsForResolve(flags, userId, intent); 6093 ComponentName comp = intent.getComponent(); 6094 if (comp == null) { 6095 if (intent.getSelector() != null) { 6096 intent = intent.getSelector(); 6097 comp = intent.getComponent(); 6098 } 6099 } 6100 if (comp != null) { 6101 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6102 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6103 if (pi != null) { 6104 final ResolveInfo ri = new ResolveInfo(); 6105 ri.providerInfo = pi; 6106 list.add(ri); 6107 } 6108 return list; 6109 } 6110 6111 // reader 6112 synchronized (mPackages) { 6113 String pkgName = intent.getPackage(); 6114 if (pkgName == null) { 6115 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6116 } 6117 final PackageParser.Package pkg = mPackages.get(pkgName); 6118 if (pkg != null) { 6119 return mProviders.queryIntentForPackage( 6120 intent, resolvedType, flags, pkg.providers, userId); 6121 } 6122 return Collections.emptyList(); 6123 } 6124 } 6125 6126 @Override 6127 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6128 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6129 flags = updateFlagsForPackage(flags, userId, null); 6130 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6131 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6132 true /* requireFullPermission */, false /* checkShell */, 6133 "get installed packages"); 6134 6135 // writer 6136 synchronized (mPackages) { 6137 ArrayList<PackageInfo> list; 6138 if (listUninstalled) { 6139 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6140 for (PackageSetting ps : mSettings.mPackages.values()) { 6141 final PackageInfo pi; 6142 if (ps.pkg != null) { 6143 pi = generatePackageInfo(ps, flags, userId); 6144 } else { 6145 pi = generatePackageInfo(ps, flags, userId); 6146 } 6147 if (pi != null) { 6148 list.add(pi); 6149 } 6150 } 6151 } else { 6152 list = new ArrayList<PackageInfo>(mPackages.size()); 6153 for (PackageParser.Package p : mPackages.values()) { 6154 final PackageInfo pi = 6155 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6156 if (pi != null) { 6157 list.add(pi); 6158 } 6159 } 6160 } 6161 6162 return new ParceledListSlice<PackageInfo>(list); 6163 } 6164 } 6165 6166 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6167 String[] permissions, boolean[] tmp, int flags, int userId) { 6168 int numMatch = 0; 6169 final PermissionsState permissionsState = ps.getPermissionsState(); 6170 for (int i=0; i<permissions.length; i++) { 6171 final String permission = permissions[i]; 6172 if (permissionsState.hasPermission(permission, userId)) { 6173 tmp[i] = true; 6174 numMatch++; 6175 } else { 6176 tmp[i] = false; 6177 } 6178 } 6179 if (numMatch == 0) { 6180 return; 6181 } 6182 final PackageInfo pi; 6183 if (ps.pkg != null) { 6184 pi = generatePackageInfo(ps, flags, userId); 6185 } else { 6186 pi = generatePackageInfo(ps, flags, userId); 6187 } 6188 // The above might return null in cases of uninstalled apps or install-state 6189 // skew across users/profiles. 6190 if (pi != null) { 6191 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6192 if (numMatch == permissions.length) { 6193 pi.requestedPermissions = permissions; 6194 } else { 6195 pi.requestedPermissions = new String[numMatch]; 6196 numMatch = 0; 6197 for (int i=0; i<permissions.length; i++) { 6198 if (tmp[i]) { 6199 pi.requestedPermissions[numMatch] = permissions[i]; 6200 numMatch++; 6201 } 6202 } 6203 } 6204 } 6205 list.add(pi); 6206 } 6207 } 6208 6209 @Override 6210 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6211 String[] permissions, int flags, int userId) { 6212 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6213 flags = updateFlagsForPackage(flags, userId, permissions); 6214 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6215 6216 // writer 6217 synchronized (mPackages) { 6218 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6219 boolean[] tmpBools = new boolean[permissions.length]; 6220 if (listUninstalled) { 6221 for (PackageSetting ps : mSettings.mPackages.values()) { 6222 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6223 } 6224 } else { 6225 for (PackageParser.Package pkg : mPackages.values()) { 6226 PackageSetting ps = (PackageSetting)pkg.mExtras; 6227 if (ps != null) { 6228 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6229 userId); 6230 } 6231 } 6232 } 6233 6234 return new ParceledListSlice<PackageInfo>(list); 6235 } 6236 } 6237 6238 @Override 6239 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6240 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6241 flags = updateFlagsForApplication(flags, userId, null); 6242 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6243 6244 // writer 6245 synchronized (mPackages) { 6246 ArrayList<ApplicationInfo> list; 6247 if (listUninstalled) { 6248 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6249 for (PackageSetting ps : mSettings.mPackages.values()) { 6250 ApplicationInfo ai; 6251 if (ps.pkg != null) { 6252 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6253 ps.readUserState(userId), userId); 6254 } else { 6255 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6256 } 6257 if (ai != null) { 6258 list.add(ai); 6259 } 6260 } 6261 } else { 6262 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6263 for (PackageParser.Package p : mPackages.values()) { 6264 if (p.mExtras != null) { 6265 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6266 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6267 if (ai != null) { 6268 list.add(ai); 6269 } 6270 } 6271 } 6272 } 6273 6274 return new ParceledListSlice<ApplicationInfo>(list); 6275 } 6276 } 6277 6278 @Override 6279 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6280 if (DISABLE_EPHEMERAL_APPS) { 6281 return null; 6282 } 6283 6284 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6285 "getEphemeralApplications"); 6286 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6287 true /* requireFullPermission */, false /* checkShell */, 6288 "getEphemeralApplications"); 6289 synchronized (mPackages) { 6290 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6291 .getEphemeralApplicationsLPw(userId); 6292 if (ephemeralApps != null) { 6293 return new ParceledListSlice<>(ephemeralApps); 6294 } 6295 } 6296 return null; 6297 } 6298 6299 @Override 6300 public boolean isEphemeralApplication(String packageName, int userId) { 6301 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6302 true /* requireFullPermission */, false /* checkShell */, 6303 "isEphemeral"); 6304 if (DISABLE_EPHEMERAL_APPS) { 6305 return false; 6306 } 6307 6308 if (!isCallerSameApp(packageName)) { 6309 return false; 6310 } 6311 synchronized (mPackages) { 6312 PackageParser.Package pkg = mPackages.get(packageName); 6313 if (pkg != null) { 6314 return pkg.applicationInfo.isEphemeralApp(); 6315 } 6316 } 6317 return false; 6318 } 6319 6320 @Override 6321 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6322 if (DISABLE_EPHEMERAL_APPS) { 6323 return null; 6324 } 6325 6326 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6327 true /* requireFullPermission */, false /* checkShell */, 6328 "getCookie"); 6329 if (!isCallerSameApp(packageName)) { 6330 return null; 6331 } 6332 synchronized (mPackages) { 6333 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6334 packageName, userId); 6335 } 6336 } 6337 6338 @Override 6339 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6340 if (DISABLE_EPHEMERAL_APPS) { 6341 return true; 6342 } 6343 6344 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6345 true /* requireFullPermission */, true /* checkShell */, 6346 "setCookie"); 6347 if (!isCallerSameApp(packageName)) { 6348 return false; 6349 } 6350 synchronized (mPackages) { 6351 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6352 packageName, cookie, userId); 6353 } 6354 } 6355 6356 @Override 6357 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6358 if (DISABLE_EPHEMERAL_APPS) { 6359 return null; 6360 } 6361 6362 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6363 "getEphemeralApplicationIcon"); 6364 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6365 true /* requireFullPermission */, false /* checkShell */, 6366 "getEphemeralApplicationIcon"); 6367 synchronized (mPackages) { 6368 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6369 packageName, userId); 6370 } 6371 } 6372 6373 private boolean isCallerSameApp(String packageName) { 6374 PackageParser.Package pkg = mPackages.get(packageName); 6375 return pkg != null 6376 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6377 } 6378 6379 @Override 6380 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6381 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6382 } 6383 6384 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6385 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6386 6387 // reader 6388 synchronized (mPackages) { 6389 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6390 final int userId = UserHandle.getCallingUserId(); 6391 while (i.hasNext()) { 6392 final PackageParser.Package p = i.next(); 6393 if (p.applicationInfo == null) continue; 6394 6395 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6396 && !p.applicationInfo.isDirectBootAware(); 6397 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6398 && p.applicationInfo.isDirectBootAware(); 6399 6400 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6401 && (!mSafeMode || isSystemApp(p)) 6402 && (matchesUnaware || matchesAware)) { 6403 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6404 if (ps != null) { 6405 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6406 ps.readUserState(userId), userId); 6407 if (ai != null) { 6408 finalList.add(ai); 6409 } 6410 } 6411 } 6412 } 6413 } 6414 6415 return finalList; 6416 } 6417 6418 @Override 6419 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6420 if (!sUserManager.exists(userId)) return null; 6421 flags = updateFlagsForComponent(flags, userId, name); 6422 // reader 6423 synchronized (mPackages) { 6424 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6425 PackageSetting ps = provider != null 6426 ? mSettings.mPackages.get(provider.owner.packageName) 6427 : null; 6428 return ps != null 6429 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6430 ? PackageParser.generateProviderInfo(provider, flags, 6431 ps.readUserState(userId), userId) 6432 : null; 6433 } 6434 } 6435 6436 /** 6437 * @deprecated 6438 */ 6439 @Deprecated 6440 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6441 // reader 6442 synchronized (mPackages) { 6443 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6444 .entrySet().iterator(); 6445 final int userId = UserHandle.getCallingUserId(); 6446 while (i.hasNext()) { 6447 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6448 PackageParser.Provider p = entry.getValue(); 6449 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6450 6451 if (ps != null && p.syncable 6452 && (!mSafeMode || (p.info.applicationInfo.flags 6453 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6454 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6455 ps.readUserState(userId), userId); 6456 if (info != null) { 6457 outNames.add(entry.getKey()); 6458 outInfo.add(info); 6459 } 6460 } 6461 } 6462 } 6463 } 6464 6465 @Override 6466 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6467 int uid, int flags) { 6468 final int userId = processName != null ? UserHandle.getUserId(uid) 6469 : UserHandle.getCallingUserId(); 6470 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6471 flags = updateFlagsForComponent(flags, userId, processName); 6472 6473 ArrayList<ProviderInfo> finalList = null; 6474 // reader 6475 synchronized (mPackages) { 6476 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6477 while (i.hasNext()) { 6478 final PackageParser.Provider p = i.next(); 6479 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6480 if (ps != null && p.info.authority != null 6481 && (processName == null 6482 || (p.info.processName.equals(processName) 6483 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6484 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6485 if (finalList == null) { 6486 finalList = new ArrayList<ProviderInfo>(3); 6487 } 6488 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6489 ps.readUserState(userId), userId); 6490 if (info != null) { 6491 finalList.add(info); 6492 } 6493 } 6494 } 6495 } 6496 6497 if (finalList != null) { 6498 Collections.sort(finalList, mProviderInitOrderSorter); 6499 return new ParceledListSlice<ProviderInfo>(finalList); 6500 } 6501 6502 return ParceledListSlice.emptyList(); 6503 } 6504 6505 @Override 6506 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6507 // reader 6508 synchronized (mPackages) { 6509 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6510 return PackageParser.generateInstrumentationInfo(i, flags); 6511 } 6512 } 6513 6514 @Override 6515 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6516 String targetPackage, int flags) { 6517 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6518 } 6519 6520 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6521 int flags) { 6522 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6523 6524 // reader 6525 synchronized (mPackages) { 6526 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6527 while (i.hasNext()) { 6528 final PackageParser.Instrumentation p = i.next(); 6529 if (targetPackage == null 6530 || targetPackage.equals(p.info.targetPackage)) { 6531 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6532 flags); 6533 if (ii != null) { 6534 finalList.add(ii); 6535 } 6536 } 6537 } 6538 } 6539 6540 return finalList; 6541 } 6542 6543 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6544 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6545 if (overlays == null) { 6546 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6547 return; 6548 } 6549 for (PackageParser.Package opkg : overlays.values()) { 6550 // Not much to do if idmap fails: we already logged the error 6551 // and we certainly don't want to abort installation of pkg simply 6552 // because an overlay didn't fit properly. For these reasons, 6553 // ignore the return value of createIdmapForPackagePairLI. 6554 createIdmapForPackagePairLI(pkg, opkg); 6555 } 6556 } 6557 6558 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6559 PackageParser.Package opkg) { 6560 if (!opkg.mTrustedOverlay) { 6561 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6562 opkg.baseCodePath + ": overlay not trusted"); 6563 return false; 6564 } 6565 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6566 if (overlaySet == null) { 6567 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6568 opkg.baseCodePath + " but target package has no known overlays"); 6569 return false; 6570 } 6571 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6572 // TODO: generate idmap for split APKs 6573 try { 6574 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6575 } catch (InstallerException e) { 6576 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6577 + opkg.baseCodePath); 6578 return false; 6579 } 6580 PackageParser.Package[] overlayArray = 6581 overlaySet.values().toArray(new PackageParser.Package[0]); 6582 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6583 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6584 return p1.mOverlayPriority - p2.mOverlayPriority; 6585 } 6586 }; 6587 Arrays.sort(overlayArray, cmp); 6588 6589 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6590 int i = 0; 6591 for (PackageParser.Package p : overlayArray) { 6592 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6593 } 6594 return true; 6595 } 6596 6597 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6598 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6599 try { 6600 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6601 } finally { 6602 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6603 } 6604 } 6605 6606 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6607 final File[] files = dir.listFiles(); 6608 if (ArrayUtils.isEmpty(files)) { 6609 Log.d(TAG, "No files in app dir " + dir); 6610 return; 6611 } 6612 6613 if (DEBUG_PACKAGE_SCANNING) { 6614 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6615 + " flags=0x" + Integer.toHexString(parseFlags)); 6616 } 6617 6618 for (File file : files) { 6619 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6620 && !PackageInstallerService.isStageName(file.getName()); 6621 if (!isPackage) { 6622 // Ignore entries which are not packages 6623 continue; 6624 } 6625 try { 6626 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6627 scanFlags, currentTime, null); 6628 } catch (PackageManagerException e) { 6629 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6630 6631 // Delete invalid userdata apps 6632 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6633 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6634 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6635 removeCodePathLI(file); 6636 } 6637 } 6638 } 6639 } 6640 6641 private static File getSettingsProblemFile() { 6642 File dataDir = Environment.getDataDirectory(); 6643 File systemDir = new File(dataDir, "system"); 6644 File fname = new File(systemDir, "uiderrors.txt"); 6645 return fname; 6646 } 6647 6648 static void reportSettingsProblem(int priority, String msg) { 6649 logCriticalInfo(priority, msg); 6650 } 6651 6652 static void logCriticalInfo(int priority, String msg) { 6653 Slog.println(priority, TAG, msg); 6654 EventLogTags.writePmCriticalInfo(msg); 6655 try { 6656 File fname = getSettingsProblemFile(); 6657 FileOutputStream out = new FileOutputStream(fname, true); 6658 PrintWriter pw = new FastPrintWriter(out); 6659 SimpleDateFormat formatter = new SimpleDateFormat(); 6660 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6661 pw.println(dateString + ": " + msg); 6662 pw.close(); 6663 FileUtils.setPermissions( 6664 fname.toString(), 6665 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6666 -1, -1); 6667 } catch (java.io.IOException e) { 6668 } 6669 } 6670 6671 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6672 final int policyFlags) throws PackageManagerException { 6673 if (ps != null 6674 && ps.codePath.equals(srcFile) 6675 && ps.timeStamp == srcFile.lastModified() 6676 && !isCompatSignatureUpdateNeeded(pkg) 6677 && !isRecoverSignatureUpdateNeeded(pkg)) { 6678 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6679 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6680 ArraySet<PublicKey> signingKs; 6681 synchronized (mPackages) { 6682 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6683 } 6684 if (ps.signatures.mSignatures != null 6685 && ps.signatures.mSignatures.length != 0 6686 && signingKs != null) { 6687 // Optimization: reuse the existing cached certificates 6688 // if the package appears to be unchanged. 6689 pkg.mSignatures = ps.signatures.mSignatures; 6690 pkg.mSigningKeys = signingKs; 6691 return; 6692 } 6693 6694 Slog.w(TAG, "PackageSetting for " + ps.name 6695 + " is missing signatures. Collecting certs again to recover them."); 6696 } else { 6697 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6698 } 6699 6700 try { 6701 PackageParser.collectCertificates(pkg, policyFlags); 6702 } catch (PackageParserException e) { 6703 throw PackageManagerException.from(e); 6704 } 6705 } 6706 6707 /** 6708 * Traces a package scan. 6709 * @see #scanPackageLI(File, int, int, long, UserHandle) 6710 */ 6711 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6712 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6713 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6714 try { 6715 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6716 } finally { 6717 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6718 } 6719 } 6720 6721 /** 6722 * Scans a package and returns the newly parsed package. 6723 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6724 */ 6725 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6726 long currentTime, UserHandle user) throws PackageManagerException { 6727 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6728 PackageParser pp = new PackageParser(); 6729 pp.setSeparateProcesses(mSeparateProcesses); 6730 pp.setOnlyCoreApps(mOnlyCore); 6731 pp.setDisplayMetrics(mMetrics); 6732 6733 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6734 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6735 } 6736 6737 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6738 final PackageParser.Package pkg; 6739 try { 6740 pkg = pp.parsePackage(scanFile, parseFlags); 6741 } catch (PackageParserException e) { 6742 throw PackageManagerException.from(e); 6743 } finally { 6744 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6745 } 6746 6747 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6748 } 6749 6750 /** 6751 * Scans a package and returns the newly parsed package. 6752 * @throws PackageManagerException on a parse error. 6753 */ 6754 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6755 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6756 throws PackageManagerException { 6757 // If the package has children and this is the first dive in the function 6758 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6759 // packages (parent and children) would be successfully scanned before the 6760 // actual scan since scanning mutates internal state and we want to atomically 6761 // install the package and its children. 6762 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6763 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6764 scanFlags |= SCAN_CHECK_ONLY; 6765 } 6766 } else { 6767 scanFlags &= ~SCAN_CHECK_ONLY; 6768 } 6769 6770 // Scan the parent 6771 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6772 scanFlags, currentTime, user); 6773 6774 // Scan the children 6775 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6776 for (int i = 0; i < childCount; i++) { 6777 PackageParser.Package childPackage = pkg.childPackages.get(i); 6778 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6779 currentTime, user); 6780 } 6781 6782 6783 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6784 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6785 } 6786 6787 return scannedPkg; 6788 } 6789 6790 /** 6791 * Scans a package and returns the newly parsed package. 6792 * @throws PackageManagerException on a parse error. 6793 */ 6794 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6795 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6796 throws PackageManagerException { 6797 PackageSetting ps = null; 6798 PackageSetting updatedPkg; 6799 // reader 6800 synchronized (mPackages) { 6801 // Look to see if we already know about this package. 6802 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6803 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6804 // This package has been renamed to its original name. Let's 6805 // use that. 6806 ps = mSettings.peekPackageLPr(oldName); 6807 } 6808 // If there was no original package, see one for the real package name. 6809 if (ps == null) { 6810 ps = mSettings.peekPackageLPr(pkg.packageName); 6811 } 6812 // Check to see if this package could be hiding/updating a system 6813 // package. Must look for it either under the original or real 6814 // package name depending on our state. 6815 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6816 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6817 6818 // If this is a package we don't know about on the system partition, we 6819 // may need to remove disabled child packages on the system partition 6820 // or may need to not add child packages if the parent apk is updated 6821 // on the data partition and no longer defines this child package. 6822 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6823 // If this is a parent package for an updated system app and this system 6824 // app got an OTA update which no longer defines some of the child packages 6825 // we have to prune them from the disabled system packages. 6826 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6827 if (disabledPs != null) { 6828 final int scannedChildCount = (pkg.childPackages != null) 6829 ? pkg.childPackages.size() : 0; 6830 final int disabledChildCount = disabledPs.childPackageNames != null 6831 ? disabledPs.childPackageNames.size() : 0; 6832 for (int i = 0; i < disabledChildCount; i++) { 6833 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6834 boolean disabledPackageAvailable = false; 6835 for (int j = 0; j < scannedChildCount; j++) { 6836 PackageParser.Package childPkg = pkg.childPackages.get(j); 6837 if (childPkg.packageName.equals(disabledChildPackageName)) { 6838 disabledPackageAvailable = true; 6839 break; 6840 } 6841 } 6842 if (!disabledPackageAvailable) { 6843 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6844 } 6845 } 6846 } 6847 } 6848 } 6849 6850 boolean updatedPkgBetter = false; 6851 // First check if this is a system package that may involve an update 6852 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6853 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6854 // it needs to drop FLAG_PRIVILEGED. 6855 if (locationIsPrivileged(scanFile)) { 6856 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6857 } else { 6858 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6859 } 6860 6861 if (ps != null && !ps.codePath.equals(scanFile)) { 6862 // The path has changed from what was last scanned... check the 6863 // version of the new path against what we have stored to determine 6864 // what to do. 6865 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6866 if (pkg.mVersionCode <= ps.versionCode) { 6867 // The system package has been updated and the code path does not match 6868 // Ignore entry. Skip it. 6869 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6870 + " ignored: updated version " + ps.versionCode 6871 + " better than this " + pkg.mVersionCode); 6872 if (!updatedPkg.codePath.equals(scanFile)) { 6873 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6874 + ps.name + " changing from " + updatedPkg.codePathString 6875 + " to " + scanFile); 6876 updatedPkg.codePath = scanFile; 6877 updatedPkg.codePathString = scanFile.toString(); 6878 updatedPkg.resourcePath = scanFile; 6879 updatedPkg.resourcePathString = scanFile.toString(); 6880 } 6881 updatedPkg.pkg = pkg; 6882 updatedPkg.versionCode = pkg.mVersionCode; 6883 6884 // Update the disabled system child packages to point to the package too. 6885 final int childCount = updatedPkg.childPackageNames != null 6886 ? updatedPkg.childPackageNames.size() : 0; 6887 for (int i = 0; i < childCount; i++) { 6888 String childPackageName = updatedPkg.childPackageNames.get(i); 6889 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6890 childPackageName); 6891 if (updatedChildPkg != null) { 6892 updatedChildPkg.pkg = pkg; 6893 updatedChildPkg.versionCode = pkg.mVersionCode; 6894 } 6895 } 6896 6897 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6898 + scanFile + " ignored: updated version " + ps.versionCode 6899 + " better than this " + pkg.mVersionCode); 6900 } else { 6901 // The current app on the system partition is better than 6902 // what we have updated to on the data partition; switch 6903 // back to the system partition version. 6904 // At this point, its safely assumed that package installation for 6905 // apps in system partition will go through. If not there won't be a working 6906 // version of the app 6907 // writer 6908 synchronized (mPackages) { 6909 // Just remove the loaded entries from package lists. 6910 mPackages.remove(ps.name); 6911 } 6912 6913 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6914 + " reverting from " + ps.codePathString 6915 + ": new version " + pkg.mVersionCode 6916 + " better than installed " + ps.versionCode); 6917 6918 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6919 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6920 synchronized (mInstallLock) { 6921 args.cleanUpResourcesLI(); 6922 } 6923 synchronized (mPackages) { 6924 mSettings.enableSystemPackageLPw(ps.name); 6925 } 6926 updatedPkgBetter = true; 6927 } 6928 } 6929 } 6930 6931 if (updatedPkg != null) { 6932 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6933 // initially 6934 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6935 6936 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6937 // flag set initially 6938 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6939 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6940 } 6941 } 6942 6943 // Verify certificates against what was last scanned 6944 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6945 6946 /* 6947 * A new system app appeared, but we already had a non-system one of the 6948 * same name installed earlier. 6949 */ 6950 boolean shouldHideSystemApp = false; 6951 if (updatedPkg == null && ps != null 6952 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6953 /* 6954 * Check to make sure the signatures match first. If they don't, 6955 * wipe the installed application and its data. 6956 */ 6957 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6958 != PackageManager.SIGNATURE_MATCH) { 6959 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6960 + " signatures don't match existing userdata copy; removing"); 6961 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6962 "scanPackageInternalLI")) { 6963 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6964 } 6965 ps = null; 6966 } else { 6967 /* 6968 * If the newly-added system app is an older version than the 6969 * already installed version, hide it. It will be scanned later 6970 * and re-added like an update. 6971 */ 6972 if (pkg.mVersionCode <= ps.versionCode) { 6973 shouldHideSystemApp = true; 6974 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6975 + " but new version " + pkg.mVersionCode + " better than installed " 6976 + ps.versionCode + "; hiding system"); 6977 } else { 6978 /* 6979 * The newly found system app is a newer version that the 6980 * one previously installed. Simply remove the 6981 * already-installed application and replace it with our own 6982 * while keeping the application data. 6983 */ 6984 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6985 + " reverting from " + ps.codePathString + ": new version " 6986 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6987 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6988 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6989 synchronized (mInstallLock) { 6990 args.cleanUpResourcesLI(); 6991 } 6992 } 6993 } 6994 } 6995 6996 // The apk is forward locked (not public) if its code and resources 6997 // are kept in different files. (except for app in either system or 6998 // vendor path). 6999 // TODO grab this value from PackageSettings 7000 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7001 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7002 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7003 } 7004 } 7005 7006 // TODO: extend to support forward-locked splits 7007 String resourcePath = null; 7008 String baseResourcePath = null; 7009 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7010 if (ps != null && ps.resourcePathString != null) { 7011 resourcePath = ps.resourcePathString; 7012 baseResourcePath = ps.resourcePathString; 7013 } else { 7014 // Should not happen at all. Just log an error. 7015 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7016 } 7017 } else { 7018 resourcePath = pkg.codePath; 7019 baseResourcePath = pkg.baseCodePath; 7020 } 7021 7022 // Set application objects path explicitly. 7023 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7024 pkg.setApplicationInfoCodePath(pkg.codePath); 7025 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7026 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7027 pkg.setApplicationInfoResourcePath(resourcePath); 7028 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7029 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7030 7031 // Note that we invoke the following method only if we are about to unpack an application 7032 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7033 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7034 7035 /* 7036 * If the system app should be overridden by a previously installed 7037 * data, hide the system app now and let the /data/app scan pick it up 7038 * again. 7039 */ 7040 if (shouldHideSystemApp) { 7041 synchronized (mPackages) { 7042 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7043 } 7044 } 7045 7046 return scannedPkg; 7047 } 7048 7049 private static String fixProcessName(String defProcessName, 7050 String processName, int uid) { 7051 if (processName == null) { 7052 return defProcessName; 7053 } 7054 return processName; 7055 } 7056 7057 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7058 throws PackageManagerException { 7059 if (pkgSetting.signatures.mSignatures != null) { 7060 // Already existing package. Make sure signatures match 7061 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7062 == PackageManager.SIGNATURE_MATCH; 7063 if (!match) { 7064 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7065 == PackageManager.SIGNATURE_MATCH; 7066 } 7067 if (!match) { 7068 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7069 == PackageManager.SIGNATURE_MATCH; 7070 } 7071 if (!match) { 7072 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7073 + pkg.packageName + " signatures do not match the " 7074 + "previously installed version; ignoring!"); 7075 } 7076 } 7077 7078 // Check for shared user signatures 7079 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7080 // Already existing package. Make sure signatures match 7081 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7082 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7083 if (!match) { 7084 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7085 == PackageManager.SIGNATURE_MATCH; 7086 } 7087 if (!match) { 7088 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7089 == PackageManager.SIGNATURE_MATCH; 7090 } 7091 if (!match) { 7092 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7093 "Package " + pkg.packageName 7094 + " has no signatures that match those in shared user " 7095 + pkgSetting.sharedUser.name + "; ignoring!"); 7096 } 7097 } 7098 } 7099 7100 /** 7101 * Enforces that only the system UID or root's UID can call a method exposed 7102 * via Binder. 7103 * 7104 * @param message used as message if SecurityException is thrown 7105 * @throws SecurityException if the caller is not system or root 7106 */ 7107 private static final void enforceSystemOrRoot(String message) { 7108 final int uid = Binder.getCallingUid(); 7109 if (uid != Process.SYSTEM_UID && uid != 0) { 7110 throw new SecurityException(message); 7111 } 7112 } 7113 7114 @Override 7115 public void performFstrimIfNeeded() { 7116 enforceSystemOrRoot("Only the system can request fstrim"); 7117 7118 // Before everything else, see whether we need to fstrim. 7119 try { 7120 IMountService ms = PackageHelper.getMountService(); 7121 if (ms != null) { 7122 final boolean isUpgrade = isUpgrade(); 7123 boolean doTrim = isUpgrade; 7124 if (doTrim) { 7125 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7126 } else { 7127 final long interval = android.provider.Settings.Global.getLong( 7128 mContext.getContentResolver(), 7129 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7130 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7131 if (interval > 0) { 7132 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7133 if (timeSinceLast > interval) { 7134 doTrim = true; 7135 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7136 + "; running immediately"); 7137 } 7138 } 7139 } 7140 if (doTrim) { 7141 if (!isFirstBoot()) { 7142 try { 7143 ActivityManagerNative.getDefault().showBootMessage( 7144 mContext.getResources().getString( 7145 R.string.android_upgrading_fstrim), true); 7146 } catch (RemoteException e) { 7147 } 7148 } 7149 ms.runMaintenance(); 7150 } 7151 } else { 7152 Slog.e(TAG, "Mount service unavailable!"); 7153 } 7154 } catch (RemoteException e) { 7155 // Can't happen; MountService is local 7156 } 7157 } 7158 7159 @Override 7160 public void updatePackagesIfNeeded() { 7161 enforceSystemOrRoot("Only the system can request package update"); 7162 7163 // We need to re-extract after an OTA. 7164 boolean causeUpgrade = isUpgrade(); 7165 7166 // First boot or factory reset. 7167 // Note: we also handle devices that are upgrading to N right now as if it is their 7168 // first boot, as they do not have profile data. 7169 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7170 7171 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7172 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7173 7174 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7175 return; 7176 } 7177 7178 List<PackageParser.Package> pkgs; 7179 synchronized (mPackages) { 7180 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7181 } 7182 7183 int curr = 0; 7184 int total = pkgs.size(); 7185 for (PackageParser.Package pkg : pkgs) { 7186 curr++; 7187 7188 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7189 if (DEBUG_DEXOPT) { 7190 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7191 } 7192 continue; 7193 } 7194 7195 if (DEBUG_DEXOPT) { 7196 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7197 } 7198 7199 if (!isFirstBoot()) { 7200 try { 7201 ActivityManagerNative.getDefault().showBootMessage( 7202 mContext.getResources().getString(R.string.android_upgrading_apk, 7203 curr, total), true); 7204 } catch (RemoteException e) { 7205 } 7206 } 7207 7208 performDexOpt(pkg.packageName, 7209 null /* instructionSet */, 7210 true /* checkProfiles */, 7211 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7212 false /* force */); 7213 } 7214 } 7215 7216 @Override 7217 public void notifyPackageUse(String packageName, int reason) { 7218 synchronized (mPackages) { 7219 PackageParser.Package p = mPackages.get(packageName); 7220 if (p == null) { 7221 return; 7222 } 7223 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7224 } 7225 } 7226 7227 // TODO: this is not used nor needed. Delete it. 7228 @Override 7229 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7230 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7231 getFullCompilerFilter(), false /* force */); 7232 } 7233 7234 @Override 7235 public boolean performDexOpt(String packageName, String instructionSet, 7236 boolean checkProfiles, int compileReason, boolean force) { 7237 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7238 getCompilerFilterForReason(compileReason), force); 7239 } 7240 7241 @Override 7242 public boolean performDexOptMode(String packageName, String instructionSet, 7243 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7244 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7245 targetCompilerFilter, force); 7246 } 7247 7248 private boolean performDexOptTraced(String packageName, String instructionSet, 7249 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7250 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7251 try { 7252 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7253 targetCompilerFilter, force); 7254 } finally { 7255 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7256 } 7257 } 7258 7259 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7260 // if the package can now be considered up to date for the given filter. 7261 private boolean performDexOptInternal(String packageName, String instructionSet, 7262 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7263 PackageParser.Package p; 7264 final String targetInstructionSet; 7265 synchronized (mPackages) { 7266 p = mPackages.get(packageName); 7267 if (p == null) { 7268 return false; 7269 } 7270 mPackageUsage.write(false); 7271 7272 targetInstructionSet = instructionSet != null ? instructionSet : 7273 getPrimaryInstructionSet(p.applicationInfo); 7274 } 7275 long callingId = Binder.clearCallingIdentity(); 7276 try { 7277 synchronized (mInstallLock) { 7278 final String[] instructionSets = new String[] { targetInstructionSet }; 7279 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7280 checkProfiles, targetCompilerFilter, force); 7281 return result != PackageDexOptimizer.DEX_OPT_FAILED; 7282 } 7283 } finally { 7284 Binder.restoreCallingIdentity(callingId); 7285 } 7286 } 7287 7288 public ArraySet<String> getOptimizablePackages() { 7289 ArraySet<String> pkgs = new ArraySet<String>(); 7290 synchronized (mPackages) { 7291 for (PackageParser.Package p : mPackages.values()) { 7292 if (PackageDexOptimizer.canOptimizePackage(p)) { 7293 pkgs.add(p.packageName); 7294 } 7295 } 7296 } 7297 return pkgs; 7298 } 7299 7300 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7301 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7302 boolean force) { 7303 // Select the dex optimizer based on the force parameter. 7304 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7305 // allocate an object here. 7306 PackageDexOptimizer pdo = force 7307 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7308 : mPackageDexOptimizer; 7309 7310 // Optimize all dependencies first. Note: we ignore the return value and march on 7311 // on errors. 7312 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7313 if (!deps.isEmpty()) { 7314 for (PackageParser.Package depPackage : deps) { 7315 // TODO: Analyze and investigate if we (should) profile libraries. 7316 // Currently this will do a full compilation of the library by default. 7317 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7318 false /* checkProfiles */, 7319 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7320 } 7321 } 7322 7323 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7324 targetCompilerFilter); 7325 } 7326 7327 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7328 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7329 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7330 Set<String> collectedNames = new HashSet<>(); 7331 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7332 7333 retValue.remove(p); 7334 7335 return retValue; 7336 } else { 7337 return Collections.emptyList(); 7338 } 7339 } 7340 7341 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7342 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7343 if (!collectedNames.contains(p.packageName)) { 7344 collectedNames.add(p.packageName); 7345 collected.add(p); 7346 7347 if (p.usesLibraries != null) { 7348 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7349 } 7350 if (p.usesOptionalLibraries != null) { 7351 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7352 collectedNames); 7353 } 7354 } 7355 } 7356 7357 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7358 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7359 for (String libName : libs) { 7360 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7361 if (libPkg != null) { 7362 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7363 } 7364 } 7365 } 7366 7367 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7368 synchronized (mPackages) { 7369 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7370 if (lib != null && lib.apk != null) { 7371 return mPackages.get(lib.apk); 7372 } 7373 } 7374 return null; 7375 } 7376 7377 public void shutdown() { 7378 mPackageUsage.write(true); 7379 } 7380 7381 @Override 7382 public void forceDexOpt(String packageName) { 7383 enforceSystemOrRoot("forceDexOpt"); 7384 7385 PackageParser.Package pkg; 7386 synchronized (mPackages) { 7387 pkg = mPackages.get(packageName); 7388 if (pkg == null) { 7389 throw new IllegalArgumentException("Unknown package: " + packageName); 7390 } 7391 } 7392 7393 synchronized (mInstallLock) { 7394 final String[] instructionSets = new String[] { 7395 getPrimaryInstructionSet(pkg.applicationInfo) }; 7396 7397 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7398 7399 // Whoever is calling forceDexOpt wants a fully compiled package. 7400 // Don't use profiles since that may cause compilation to be skipped. 7401 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7402 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7403 true /* force */); 7404 7405 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7406 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7407 throw new IllegalStateException("Failed to dexopt: " + res); 7408 } 7409 } 7410 } 7411 7412 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7413 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7414 Slog.w(TAG, "Unable to update from " + oldPkg.name 7415 + " to " + newPkg.packageName 7416 + ": old package not in system partition"); 7417 return false; 7418 } else if (mPackages.get(oldPkg.name) != null) { 7419 Slog.w(TAG, "Unable to update from " + oldPkg.name 7420 + " to " + newPkg.packageName 7421 + ": old package still exists"); 7422 return false; 7423 } 7424 return true; 7425 } 7426 7427 void removeCodePathLI(File codePath) { 7428 if (codePath.isDirectory()) { 7429 try { 7430 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7431 } catch (InstallerException e) { 7432 Slog.w(TAG, "Failed to remove code path", e); 7433 } 7434 } else { 7435 codePath.delete(); 7436 } 7437 } 7438 7439 private int[] resolveUserIds(int userId) { 7440 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7441 } 7442 7443 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7444 if (pkg == null) { 7445 Slog.wtf(TAG, "Package was null!", new Throwable()); 7446 return; 7447 } 7448 clearAppDataLeafLIF(pkg, userId, flags); 7449 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7450 for (int i = 0; i < childCount; i++) { 7451 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7452 } 7453 } 7454 7455 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7456 final PackageSetting ps; 7457 synchronized (mPackages) { 7458 ps = mSettings.mPackages.get(pkg.packageName); 7459 } 7460 for (int realUserId : resolveUserIds(userId)) { 7461 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7462 try { 7463 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7464 ceDataInode); 7465 } catch (InstallerException e) { 7466 Slog.w(TAG, String.valueOf(e)); 7467 } 7468 } 7469 } 7470 7471 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7472 if (pkg == null) { 7473 Slog.wtf(TAG, "Package was null!", new Throwable()); 7474 return; 7475 } 7476 destroyAppDataLeafLIF(pkg, userId, flags); 7477 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7478 for (int i = 0; i < childCount; i++) { 7479 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7480 } 7481 } 7482 7483 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7484 final PackageSetting ps; 7485 synchronized (mPackages) { 7486 ps = mSettings.mPackages.get(pkg.packageName); 7487 } 7488 for (int realUserId : resolveUserIds(userId)) { 7489 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7490 try { 7491 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7492 ceDataInode); 7493 } catch (InstallerException e) { 7494 Slog.w(TAG, String.valueOf(e)); 7495 } 7496 } 7497 } 7498 7499 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7500 if (pkg == null) { 7501 Slog.wtf(TAG, "Package was null!", new Throwable()); 7502 return; 7503 } 7504 destroyAppProfilesLeafLIF(pkg); 7505 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7506 for (int i = 0; i < childCount; i++) { 7507 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7508 } 7509 } 7510 7511 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7512 try { 7513 mInstaller.destroyAppProfiles(pkg.packageName); 7514 } catch (InstallerException e) { 7515 Slog.w(TAG, String.valueOf(e)); 7516 } 7517 } 7518 7519 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7520 if (pkg == null) { 7521 Slog.wtf(TAG, "Package was null!", new Throwable()); 7522 return; 7523 } 7524 clearAppProfilesLeafLIF(pkg); 7525 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7526 for (int i = 0; i < childCount; i++) { 7527 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7528 } 7529 } 7530 7531 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7532 try { 7533 mInstaller.clearAppProfiles(pkg.packageName); 7534 } catch (InstallerException e) { 7535 Slog.w(TAG, String.valueOf(e)); 7536 } 7537 } 7538 7539 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7540 long lastUpdateTime) { 7541 // Set parent install/update time 7542 PackageSetting ps = (PackageSetting) pkg.mExtras; 7543 if (ps != null) { 7544 ps.firstInstallTime = firstInstallTime; 7545 ps.lastUpdateTime = lastUpdateTime; 7546 } 7547 // Set children install/update time 7548 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7549 for (int i = 0; i < childCount; i++) { 7550 PackageParser.Package childPkg = pkg.childPackages.get(i); 7551 ps = (PackageSetting) childPkg.mExtras; 7552 if (ps != null) { 7553 ps.firstInstallTime = firstInstallTime; 7554 ps.lastUpdateTime = lastUpdateTime; 7555 } 7556 } 7557 } 7558 7559 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7560 PackageParser.Package changingLib) { 7561 if (file.path != null) { 7562 usesLibraryFiles.add(file.path); 7563 return; 7564 } 7565 PackageParser.Package p = mPackages.get(file.apk); 7566 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7567 // If we are doing this while in the middle of updating a library apk, 7568 // then we need to make sure to use that new apk for determining the 7569 // dependencies here. (We haven't yet finished committing the new apk 7570 // to the package manager state.) 7571 if (p == null || p.packageName.equals(changingLib.packageName)) { 7572 p = changingLib; 7573 } 7574 } 7575 if (p != null) { 7576 usesLibraryFiles.addAll(p.getAllCodePaths()); 7577 } 7578 } 7579 7580 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7581 PackageParser.Package changingLib) throws PackageManagerException { 7582 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7583 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7584 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7585 for (int i=0; i<N; i++) { 7586 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7587 if (file == null) { 7588 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7589 "Package " + pkg.packageName + " requires unavailable shared library " 7590 + pkg.usesLibraries.get(i) + "; failing!"); 7591 } 7592 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7593 } 7594 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7595 for (int i=0; i<N; i++) { 7596 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7597 if (file == null) { 7598 Slog.w(TAG, "Package " + pkg.packageName 7599 + " desires unavailable shared library " 7600 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7601 } else { 7602 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7603 } 7604 } 7605 N = usesLibraryFiles.size(); 7606 if (N > 0) { 7607 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7608 } else { 7609 pkg.usesLibraryFiles = null; 7610 } 7611 } 7612 } 7613 7614 private static boolean hasString(List<String> list, List<String> which) { 7615 if (list == null) { 7616 return false; 7617 } 7618 for (int i=list.size()-1; i>=0; i--) { 7619 for (int j=which.size()-1; j>=0; j--) { 7620 if (which.get(j).equals(list.get(i))) { 7621 return true; 7622 } 7623 } 7624 } 7625 return false; 7626 } 7627 7628 private void updateAllSharedLibrariesLPw() { 7629 for (PackageParser.Package pkg : mPackages.values()) { 7630 try { 7631 updateSharedLibrariesLPw(pkg, null); 7632 } catch (PackageManagerException e) { 7633 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7634 } 7635 } 7636 } 7637 7638 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7639 PackageParser.Package changingPkg) { 7640 ArrayList<PackageParser.Package> res = null; 7641 for (PackageParser.Package pkg : mPackages.values()) { 7642 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7643 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7644 if (res == null) { 7645 res = new ArrayList<PackageParser.Package>(); 7646 } 7647 res.add(pkg); 7648 try { 7649 updateSharedLibrariesLPw(pkg, changingPkg); 7650 } catch (PackageManagerException e) { 7651 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7652 } 7653 } 7654 } 7655 return res; 7656 } 7657 7658 /** 7659 * Derive the value of the {@code cpuAbiOverride} based on the provided 7660 * value and an optional stored value from the package settings. 7661 */ 7662 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7663 String cpuAbiOverride = null; 7664 7665 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7666 cpuAbiOverride = null; 7667 } else if (abiOverride != null) { 7668 cpuAbiOverride = abiOverride; 7669 } else if (settings != null) { 7670 cpuAbiOverride = settings.cpuAbiOverrideString; 7671 } 7672 7673 return cpuAbiOverride; 7674 } 7675 7676 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7677 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7678 throws PackageManagerException { 7679 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7680 // If the package has children and this is the first dive in the function 7681 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7682 // whether all packages (parent and children) would be successfully scanned 7683 // before the actual scan since scanning mutates internal state and we want 7684 // to atomically install the package and its children. 7685 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7686 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7687 scanFlags |= SCAN_CHECK_ONLY; 7688 } 7689 } else { 7690 scanFlags &= ~SCAN_CHECK_ONLY; 7691 } 7692 7693 final PackageParser.Package scannedPkg; 7694 try { 7695 // Scan the parent 7696 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7697 // Scan the children 7698 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7699 for (int i = 0; i < childCount; i++) { 7700 PackageParser.Package childPkg = pkg.childPackages.get(i); 7701 scanPackageLI(childPkg, policyFlags, 7702 scanFlags, currentTime, user); 7703 } 7704 } finally { 7705 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7706 } 7707 7708 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7709 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7710 } 7711 7712 return scannedPkg; 7713 } 7714 7715 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7716 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7717 boolean success = false; 7718 try { 7719 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7720 currentTime, user); 7721 success = true; 7722 return res; 7723 } finally { 7724 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7725 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7726 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7727 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7728 destroyAppProfilesLIF(pkg); 7729 } 7730 } 7731 } 7732 7733 /** 7734 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7735 */ 7736 private static boolean apkHasCode(String fileName) { 7737 StrictJarFile jarFile = null; 7738 try { 7739 jarFile = new StrictJarFile(fileName, 7740 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7741 return jarFile.findEntry("classes.dex") != null; 7742 } catch (IOException ignore) { 7743 } finally { 7744 try { 7745 jarFile.close(); 7746 } catch (IOException ignore) {} 7747 } 7748 return false; 7749 } 7750 7751 /** 7752 * Enforces code policy for the package. This ensures that if an APK has 7753 * declared hasCode="true" in its manifest that the APK actually contains 7754 * code. 7755 * 7756 * @throws PackageManagerException If bytecode could not be found when it should exist 7757 */ 7758 private static void enforceCodePolicy(PackageParser.Package pkg) 7759 throws PackageManagerException { 7760 final boolean shouldHaveCode = 7761 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7762 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7763 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7764 "Package " + pkg.baseCodePath + " code is missing"); 7765 } 7766 7767 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7768 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7769 final boolean splitShouldHaveCode = 7770 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7771 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7772 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7773 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7774 } 7775 } 7776 } 7777 } 7778 7779 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7780 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7781 throws PackageManagerException { 7782 final File scanFile = new File(pkg.codePath); 7783 if (pkg.applicationInfo.getCodePath() == null || 7784 pkg.applicationInfo.getResourcePath() == null) { 7785 // Bail out. The resource and code paths haven't been set. 7786 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7787 "Code and resource paths haven't been set correctly"); 7788 } 7789 7790 // Apply policy 7791 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7792 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7793 if (pkg.applicationInfo.isDirectBootAware()) { 7794 // we're direct boot aware; set for all components 7795 for (PackageParser.Service s : pkg.services) { 7796 s.info.encryptionAware = s.info.directBootAware = true; 7797 } 7798 for (PackageParser.Provider p : pkg.providers) { 7799 p.info.encryptionAware = p.info.directBootAware = true; 7800 } 7801 for (PackageParser.Activity a : pkg.activities) { 7802 a.info.encryptionAware = a.info.directBootAware = true; 7803 } 7804 for (PackageParser.Activity r : pkg.receivers) { 7805 r.info.encryptionAware = r.info.directBootAware = true; 7806 } 7807 } 7808 } else { 7809 // Only allow system apps to be flagged as core apps. 7810 pkg.coreApp = false; 7811 // clear flags not applicable to regular apps 7812 pkg.applicationInfo.privateFlags &= 7813 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7814 pkg.applicationInfo.privateFlags &= 7815 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7816 } 7817 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7818 7819 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7820 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7821 } 7822 7823 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7824 enforceCodePolicy(pkg); 7825 } 7826 7827 if (mCustomResolverComponentName != null && 7828 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7829 setUpCustomResolverActivity(pkg); 7830 } 7831 7832 if (pkg.packageName.equals("android")) { 7833 synchronized (mPackages) { 7834 if (mAndroidApplication != null) { 7835 Slog.w(TAG, "*************************************************"); 7836 Slog.w(TAG, "Core android package being redefined. Skipping."); 7837 Slog.w(TAG, " file=" + scanFile); 7838 Slog.w(TAG, "*************************************************"); 7839 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7840 "Core android package being redefined. Skipping."); 7841 } 7842 7843 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7844 // Set up information for our fall-back user intent resolution activity. 7845 mPlatformPackage = pkg; 7846 pkg.mVersionCode = mSdkVersion; 7847 mAndroidApplication = pkg.applicationInfo; 7848 7849 if (!mResolverReplaced) { 7850 mResolveActivity.applicationInfo = mAndroidApplication; 7851 mResolveActivity.name = ResolverActivity.class.getName(); 7852 mResolveActivity.packageName = mAndroidApplication.packageName; 7853 mResolveActivity.processName = "system:ui"; 7854 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7855 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7856 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7857 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7858 mResolveActivity.exported = true; 7859 mResolveActivity.enabled = true; 7860 mResolveInfo.activityInfo = mResolveActivity; 7861 mResolveInfo.priority = 0; 7862 mResolveInfo.preferredOrder = 0; 7863 mResolveInfo.match = 0; 7864 mResolveComponentName = new ComponentName( 7865 mAndroidApplication.packageName, mResolveActivity.name); 7866 } 7867 } 7868 } 7869 } 7870 7871 if (DEBUG_PACKAGE_SCANNING) { 7872 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7873 Log.d(TAG, "Scanning package " + pkg.packageName); 7874 } 7875 7876 synchronized (mPackages) { 7877 if (mPackages.containsKey(pkg.packageName) 7878 || mSharedLibraries.containsKey(pkg.packageName)) { 7879 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7880 "Application package " + pkg.packageName 7881 + " already installed. Skipping duplicate."); 7882 } 7883 7884 // If we're only installing presumed-existing packages, require that the 7885 // scanned APK is both already known and at the path previously established 7886 // for it. Previously unknown packages we pick up normally, but if we have an 7887 // a priori expectation about this package's install presence, enforce it. 7888 // With a singular exception for new system packages. When an OTA contains 7889 // a new system package, we allow the codepath to change from a system location 7890 // to the user-installed location. If we don't allow this change, any newer, 7891 // user-installed version of the application will be ignored. 7892 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7893 if (mExpectingBetter.containsKey(pkg.packageName)) { 7894 logCriticalInfo(Log.WARN, 7895 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7896 } else { 7897 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7898 if (known != null) { 7899 if (DEBUG_PACKAGE_SCANNING) { 7900 Log.d(TAG, "Examining " + pkg.codePath 7901 + " and requiring known paths " + known.codePathString 7902 + " & " + known.resourcePathString); 7903 } 7904 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7905 || !pkg.applicationInfo.getResourcePath().equals( 7906 known.resourcePathString)) { 7907 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7908 "Application package " + pkg.packageName 7909 + " found at " + pkg.applicationInfo.getCodePath() 7910 + " but expected at " + known.codePathString 7911 + "; ignoring."); 7912 } 7913 } 7914 } 7915 } 7916 } 7917 7918 // Initialize package source and resource directories 7919 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7920 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7921 7922 SharedUserSetting suid = null; 7923 PackageSetting pkgSetting = null; 7924 7925 if (!isSystemApp(pkg)) { 7926 // Only system apps can use these features. 7927 pkg.mOriginalPackages = null; 7928 pkg.mRealPackage = null; 7929 pkg.mAdoptPermissions = null; 7930 } 7931 7932 // Getting the package setting may have a side-effect, so if we 7933 // are only checking if scan would succeed, stash a copy of the 7934 // old setting to restore at the end. 7935 PackageSetting nonMutatedPs = null; 7936 7937 // writer 7938 synchronized (mPackages) { 7939 if (pkg.mSharedUserId != null) { 7940 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7941 if (suid == null) { 7942 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7943 "Creating application package " + pkg.packageName 7944 + " for shared user failed"); 7945 } 7946 if (DEBUG_PACKAGE_SCANNING) { 7947 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7948 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7949 + "): packages=" + suid.packages); 7950 } 7951 } 7952 7953 // Check if we are renaming from an original package name. 7954 PackageSetting origPackage = null; 7955 String realName = null; 7956 if (pkg.mOriginalPackages != null) { 7957 // This package may need to be renamed to a previously 7958 // installed name. Let's check on that... 7959 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7960 if (pkg.mOriginalPackages.contains(renamed)) { 7961 // This package had originally been installed as the 7962 // original name, and we have already taken care of 7963 // transitioning to the new one. Just update the new 7964 // one to continue using the old name. 7965 realName = pkg.mRealPackage; 7966 if (!pkg.packageName.equals(renamed)) { 7967 // Callers into this function may have already taken 7968 // care of renaming the package; only do it here if 7969 // it is not already done. 7970 pkg.setPackageName(renamed); 7971 } 7972 7973 } else { 7974 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7975 if ((origPackage = mSettings.peekPackageLPr( 7976 pkg.mOriginalPackages.get(i))) != null) { 7977 // We do have the package already installed under its 7978 // original name... should we use it? 7979 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7980 // New package is not compatible with original. 7981 origPackage = null; 7982 continue; 7983 } else if (origPackage.sharedUser != null) { 7984 // Make sure uid is compatible between packages. 7985 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7986 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7987 + " to " + pkg.packageName + ": old uid " 7988 + origPackage.sharedUser.name 7989 + " differs from " + pkg.mSharedUserId); 7990 origPackage = null; 7991 continue; 7992 } 7993 // TODO: Add case when shared user id is added [b/28144775] 7994 } else { 7995 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7996 + pkg.packageName + " to old name " + origPackage.name); 7997 } 7998 break; 7999 } 8000 } 8001 } 8002 } 8003 8004 if (mTransferedPackages.contains(pkg.packageName)) { 8005 Slog.w(TAG, "Package " + pkg.packageName 8006 + " was transferred to another, but its .apk remains"); 8007 } 8008 8009 // See comments in nonMutatedPs declaration 8010 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8011 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8012 if (foundPs != null) { 8013 nonMutatedPs = new PackageSetting(foundPs); 8014 } 8015 } 8016 8017 // Just create the setting, don't add it yet. For already existing packages 8018 // the PkgSetting exists already and doesn't have to be created. 8019 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8020 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8021 pkg.applicationInfo.primaryCpuAbi, 8022 pkg.applicationInfo.secondaryCpuAbi, 8023 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8024 user, false); 8025 if (pkgSetting == null) { 8026 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8027 "Creating application package " + pkg.packageName + " failed"); 8028 } 8029 8030 if (pkgSetting.origPackage != null) { 8031 // If we are first transitioning from an original package, 8032 // fix up the new package's name now. We need to do this after 8033 // looking up the package under its new name, so getPackageLP 8034 // can take care of fiddling things correctly. 8035 pkg.setPackageName(origPackage.name); 8036 8037 // File a report about this. 8038 String msg = "New package " + pkgSetting.realName 8039 + " renamed to replace old package " + pkgSetting.name; 8040 reportSettingsProblem(Log.WARN, msg); 8041 8042 // Make a note of it. 8043 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8044 mTransferedPackages.add(origPackage.name); 8045 } 8046 8047 // No longer need to retain this. 8048 pkgSetting.origPackage = null; 8049 } 8050 8051 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8052 // Make a note of it. 8053 mTransferedPackages.add(pkg.packageName); 8054 } 8055 8056 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8057 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8058 } 8059 8060 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8061 // Check all shared libraries and map to their actual file path. 8062 // We only do this here for apps not on a system dir, because those 8063 // are the only ones that can fail an install due to this. We 8064 // will take care of the system apps by updating all of their 8065 // library paths after the scan is done. 8066 updateSharedLibrariesLPw(pkg, null); 8067 } 8068 8069 if (mFoundPolicyFile) { 8070 SELinuxMMAC.assignSeinfoValue(pkg); 8071 } 8072 8073 pkg.applicationInfo.uid = pkgSetting.appId; 8074 pkg.mExtras = pkgSetting; 8075 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8076 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8077 // We just determined the app is signed correctly, so bring 8078 // over the latest parsed certs. 8079 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8080 } else { 8081 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8082 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8083 "Package " + pkg.packageName + " upgrade keys do not match the " 8084 + "previously installed version"); 8085 } else { 8086 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8087 String msg = "System package " + pkg.packageName 8088 + " signature changed; retaining data."; 8089 reportSettingsProblem(Log.WARN, msg); 8090 } 8091 } 8092 } else { 8093 try { 8094 verifySignaturesLP(pkgSetting, pkg); 8095 // We just determined the app is signed correctly, so bring 8096 // over the latest parsed certs. 8097 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8098 } catch (PackageManagerException e) { 8099 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8100 throw e; 8101 } 8102 // The signature has changed, but this package is in the system 8103 // image... let's recover! 8104 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8105 // However... if this package is part of a shared user, but it 8106 // doesn't match the signature of the shared user, let's fail. 8107 // What this means is that you can't change the signatures 8108 // associated with an overall shared user, which doesn't seem all 8109 // that unreasonable. 8110 if (pkgSetting.sharedUser != null) { 8111 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8112 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8113 throw new PackageManagerException( 8114 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8115 "Signature mismatch for shared user: " 8116 + pkgSetting.sharedUser); 8117 } 8118 } 8119 // File a report about this. 8120 String msg = "System package " + pkg.packageName 8121 + " signature changed; retaining data."; 8122 reportSettingsProblem(Log.WARN, msg); 8123 } 8124 } 8125 // Verify that this new package doesn't have any content providers 8126 // that conflict with existing packages. Only do this if the 8127 // package isn't already installed, since we don't want to break 8128 // things that are installed. 8129 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8130 final int N = pkg.providers.size(); 8131 int i; 8132 for (i=0; i<N; i++) { 8133 PackageParser.Provider p = pkg.providers.get(i); 8134 if (p.info.authority != null) { 8135 String names[] = p.info.authority.split(";"); 8136 for (int j = 0; j < names.length; j++) { 8137 if (mProvidersByAuthority.containsKey(names[j])) { 8138 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8139 final String otherPackageName = 8140 ((other != null && other.getComponentName() != null) ? 8141 other.getComponentName().getPackageName() : "?"); 8142 throw new PackageManagerException( 8143 INSTALL_FAILED_CONFLICTING_PROVIDER, 8144 "Can't install because provider name " + names[j] 8145 + " (in package " + pkg.applicationInfo.packageName 8146 + ") is already used by " + otherPackageName); 8147 } 8148 } 8149 } 8150 } 8151 } 8152 8153 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8154 // This package wants to adopt ownership of permissions from 8155 // another package. 8156 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8157 final String origName = pkg.mAdoptPermissions.get(i); 8158 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8159 if (orig != null) { 8160 if (verifyPackageUpdateLPr(orig, pkg)) { 8161 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8162 + pkg.packageName); 8163 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8164 } 8165 } 8166 } 8167 } 8168 } 8169 8170 final String pkgName = pkg.packageName; 8171 8172 final long scanFileTime = scanFile.lastModified(); 8173 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8174 pkg.applicationInfo.processName = fixProcessName( 8175 pkg.applicationInfo.packageName, 8176 pkg.applicationInfo.processName, 8177 pkg.applicationInfo.uid); 8178 8179 if (pkg != mPlatformPackage) { 8180 // Get all of our default paths setup 8181 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8182 } 8183 8184 final String path = scanFile.getPath(); 8185 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8186 8187 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8188 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8189 8190 // Some system apps still use directory structure for native libraries 8191 // in which case we might end up not detecting abi solely based on apk 8192 // structure. Try to detect abi based on directory structure. 8193 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8194 pkg.applicationInfo.primaryCpuAbi == null) { 8195 setBundledAppAbisAndRoots(pkg, pkgSetting); 8196 setNativeLibraryPaths(pkg); 8197 } 8198 8199 } else { 8200 if ((scanFlags & SCAN_MOVE) != 0) { 8201 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8202 // but we already have this packages package info in the PackageSetting. We just 8203 // use that and derive the native library path based on the new codepath. 8204 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8205 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8206 } 8207 8208 // Set native library paths again. For moves, the path will be updated based on the 8209 // ABIs we've determined above. For non-moves, the path will be updated based on the 8210 // ABIs we determined during compilation, but the path will depend on the final 8211 // package path (after the rename away from the stage path). 8212 setNativeLibraryPaths(pkg); 8213 } 8214 8215 // This is a special case for the "system" package, where the ABI is 8216 // dictated by the zygote configuration (and init.rc). We should keep track 8217 // of this ABI so that we can deal with "normal" applications that run under 8218 // the same UID correctly. 8219 if (mPlatformPackage == pkg) { 8220 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8221 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8222 } 8223 8224 // If there's a mismatch between the abi-override in the package setting 8225 // and the abiOverride specified for the install. Warn about this because we 8226 // would've already compiled the app without taking the package setting into 8227 // account. 8228 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8229 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8230 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8231 " for package " + pkg.packageName); 8232 } 8233 } 8234 8235 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8236 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8237 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8238 8239 // Copy the derived override back to the parsed package, so that we can 8240 // update the package settings accordingly. 8241 pkg.cpuAbiOverride = cpuAbiOverride; 8242 8243 if (DEBUG_ABI_SELECTION) { 8244 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8245 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8246 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8247 } 8248 8249 // Push the derived path down into PackageSettings so we know what to 8250 // clean up at uninstall time. 8251 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8252 8253 if (DEBUG_ABI_SELECTION) { 8254 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8255 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8256 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8257 } 8258 8259 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8260 // We don't do this here during boot because we can do it all 8261 // at once after scanning all existing packages. 8262 // 8263 // We also do this *before* we perform dexopt on this package, so that 8264 // we can avoid redundant dexopts, and also to make sure we've got the 8265 // code and package path correct. 8266 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8267 pkg, true /* boot complete */); 8268 } 8269 8270 if (mFactoryTest && pkg.requestedPermissions.contains( 8271 android.Manifest.permission.FACTORY_TEST)) { 8272 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8273 } 8274 8275 ArrayList<PackageParser.Package> clientLibPkgs = null; 8276 8277 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8278 if (nonMutatedPs != null) { 8279 synchronized (mPackages) { 8280 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8281 } 8282 } 8283 return pkg; 8284 } 8285 8286 // Only privileged apps and updated privileged apps can add child packages. 8287 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8288 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8289 throw new PackageManagerException("Only privileged apps and updated " 8290 + "privileged apps can add child packages. Ignoring package " 8291 + pkg.packageName); 8292 } 8293 final int childCount = pkg.childPackages.size(); 8294 for (int i = 0; i < childCount; i++) { 8295 PackageParser.Package childPkg = pkg.childPackages.get(i); 8296 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8297 childPkg.packageName)) { 8298 throw new PackageManagerException("Cannot override a child package of " 8299 + "another disabled system app. Ignoring package " + pkg.packageName); 8300 } 8301 } 8302 } 8303 8304 // writer 8305 synchronized (mPackages) { 8306 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8307 // Only system apps can add new shared libraries. 8308 if (pkg.libraryNames != null) { 8309 for (int i=0; i<pkg.libraryNames.size(); i++) { 8310 String name = pkg.libraryNames.get(i); 8311 boolean allowed = false; 8312 if (pkg.isUpdatedSystemApp()) { 8313 // New library entries can only be added through the 8314 // system image. This is important to get rid of a lot 8315 // of nasty edge cases: for example if we allowed a non- 8316 // system update of the app to add a library, then uninstalling 8317 // the update would make the library go away, and assumptions 8318 // we made such as through app install filtering would now 8319 // have allowed apps on the device which aren't compatible 8320 // with it. Better to just have the restriction here, be 8321 // conservative, and create many fewer cases that can negatively 8322 // impact the user experience. 8323 final PackageSetting sysPs = mSettings 8324 .getDisabledSystemPkgLPr(pkg.packageName); 8325 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8326 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8327 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8328 allowed = true; 8329 break; 8330 } 8331 } 8332 } 8333 } else { 8334 allowed = true; 8335 } 8336 if (allowed) { 8337 if (!mSharedLibraries.containsKey(name)) { 8338 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8339 } else if (!name.equals(pkg.packageName)) { 8340 Slog.w(TAG, "Package " + pkg.packageName + " library " 8341 + name + " already exists; skipping"); 8342 } 8343 } else { 8344 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8345 + name + " that is not declared on system image; skipping"); 8346 } 8347 } 8348 if ((scanFlags & SCAN_BOOTING) == 0) { 8349 // If we are not booting, we need to update any applications 8350 // that are clients of our shared library. If we are booting, 8351 // this will all be done once the scan is complete. 8352 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8353 } 8354 } 8355 } 8356 } 8357 8358 if ((scanFlags & SCAN_BOOTING) != 0) { 8359 // No apps can run during boot scan, so they don't need to be frozen 8360 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8361 // Caller asked to not kill app, so it's probably not frozen 8362 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8363 // Caller asked us to ignore frozen check for some reason; they 8364 // probably didn't know the package name 8365 } else { 8366 // We're doing major surgery on this package, so it better be frozen 8367 // right now to keep it from launching 8368 checkPackageFrozen(pkgName); 8369 } 8370 8371 // Also need to kill any apps that are dependent on the library. 8372 if (clientLibPkgs != null) { 8373 for (int i=0; i<clientLibPkgs.size(); i++) { 8374 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8375 killApplication(clientPkg.applicationInfo.packageName, 8376 clientPkg.applicationInfo.uid, "update lib"); 8377 } 8378 } 8379 8380 // Make sure we're not adding any bogus keyset info 8381 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8382 ksms.assertScannedPackageValid(pkg); 8383 8384 // writer 8385 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8386 8387 boolean createIdmapFailed = false; 8388 synchronized (mPackages) { 8389 // We don't expect installation to fail beyond this point 8390 8391 // Add the new setting to mSettings 8392 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8393 // Add the new setting to mPackages 8394 mPackages.put(pkg.applicationInfo.packageName, pkg); 8395 // Make sure we don't accidentally delete its data. 8396 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8397 while (iter.hasNext()) { 8398 PackageCleanItem item = iter.next(); 8399 if (pkgName.equals(item.packageName)) { 8400 iter.remove(); 8401 } 8402 } 8403 8404 // Take care of first install / last update times. 8405 if (currentTime != 0) { 8406 if (pkgSetting.firstInstallTime == 0) { 8407 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8408 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8409 pkgSetting.lastUpdateTime = currentTime; 8410 } 8411 } else if (pkgSetting.firstInstallTime == 0) { 8412 // We need *something*. Take time time stamp of the file. 8413 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8414 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8415 if (scanFileTime != pkgSetting.timeStamp) { 8416 // A package on the system image has changed; consider this 8417 // to be an update. 8418 pkgSetting.lastUpdateTime = scanFileTime; 8419 } 8420 } 8421 8422 // Add the package's KeySets to the global KeySetManagerService 8423 ksms.addScannedPackageLPw(pkg); 8424 8425 int N = pkg.providers.size(); 8426 StringBuilder r = null; 8427 int i; 8428 for (i=0; i<N; i++) { 8429 PackageParser.Provider p = pkg.providers.get(i); 8430 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8431 p.info.processName, pkg.applicationInfo.uid); 8432 mProviders.addProvider(p); 8433 p.syncable = p.info.isSyncable; 8434 if (p.info.authority != null) { 8435 String names[] = p.info.authority.split(";"); 8436 p.info.authority = null; 8437 for (int j = 0; j < names.length; j++) { 8438 if (j == 1 && p.syncable) { 8439 // We only want the first authority for a provider to possibly be 8440 // syncable, so if we already added this provider using a different 8441 // authority clear the syncable flag. We copy the provider before 8442 // changing it because the mProviders object contains a reference 8443 // to a provider that we don't want to change. 8444 // Only do this for the second authority since the resulting provider 8445 // object can be the same for all future authorities for this provider. 8446 p = new PackageParser.Provider(p); 8447 p.syncable = false; 8448 } 8449 if (!mProvidersByAuthority.containsKey(names[j])) { 8450 mProvidersByAuthority.put(names[j], p); 8451 if (p.info.authority == null) { 8452 p.info.authority = names[j]; 8453 } else { 8454 p.info.authority = p.info.authority + ";" + names[j]; 8455 } 8456 if (DEBUG_PACKAGE_SCANNING) { 8457 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8458 Log.d(TAG, "Registered content provider: " + names[j] 8459 + ", className = " + p.info.name + ", isSyncable = " 8460 + p.info.isSyncable); 8461 } 8462 } else { 8463 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8464 Slog.w(TAG, "Skipping provider name " + names[j] + 8465 " (in package " + pkg.applicationInfo.packageName + 8466 "): name already used by " 8467 + ((other != null && other.getComponentName() != null) 8468 ? other.getComponentName().getPackageName() : "?")); 8469 } 8470 } 8471 } 8472 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8473 if (r == null) { 8474 r = new StringBuilder(256); 8475 } else { 8476 r.append(' '); 8477 } 8478 r.append(p.info.name); 8479 } 8480 } 8481 if (r != null) { 8482 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8483 } 8484 8485 N = pkg.services.size(); 8486 r = null; 8487 for (i=0; i<N; i++) { 8488 PackageParser.Service s = pkg.services.get(i); 8489 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8490 s.info.processName, pkg.applicationInfo.uid); 8491 mServices.addService(s); 8492 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8493 if (r == null) { 8494 r = new StringBuilder(256); 8495 } else { 8496 r.append(' '); 8497 } 8498 r.append(s.info.name); 8499 } 8500 } 8501 if (r != null) { 8502 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8503 } 8504 8505 N = pkg.receivers.size(); 8506 r = null; 8507 for (i=0; i<N; i++) { 8508 PackageParser.Activity a = pkg.receivers.get(i); 8509 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8510 a.info.processName, pkg.applicationInfo.uid); 8511 mReceivers.addActivity(a, "receiver"); 8512 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8513 if (r == null) { 8514 r = new StringBuilder(256); 8515 } else { 8516 r.append(' '); 8517 } 8518 r.append(a.info.name); 8519 } 8520 } 8521 if (r != null) { 8522 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8523 } 8524 8525 N = pkg.activities.size(); 8526 r = null; 8527 for (i=0; i<N; i++) { 8528 PackageParser.Activity a = pkg.activities.get(i); 8529 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8530 a.info.processName, pkg.applicationInfo.uid); 8531 mActivities.addActivity(a, "activity"); 8532 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8533 if (r == null) { 8534 r = new StringBuilder(256); 8535 } else { 8536 r.append(' '); 8537 } 8538 r.append(a.info.name); 8539 } 8540 } 8541 if (r != null) { 8542 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8543 } 8544 8545 N = pkg.permissionGroups.size(); 8546 r = null; 8547 for (i=0; i<N; i++) { 8548 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8549 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8550 if (cur == null) { 8551 mPermissionGroups.put(pg.info.name, pg); 8552 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8553 if (r == null) { 8554 r = new StringBuilder(256); 8555 } else { 8556 r.append(' '); 8557 } 8558 r.append(pg.info.name); 8559 } 8560 } else { 8561 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8562 + pg.info.packageName + " ignored: original from " 8563 + cur.info.packageName); 8564 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8565 if (r == null) { 8566 r = new StringBuilder(256); 8567 } else { 8568 r.append(' '); 8569 } 8570 r.append("DUP:"); 8571 r.append(pg.info.name); 8572 } 8573 } 8574 } 8575 if (r != null) { 8576 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8577 } 8578 8579 N = pkg.permissions.size(); 8580 r = null; 8581 for (i=0; i<N; i++) { 8582 PackageParser.Permission p = pkg.permissions.get(i); 8583 8584 // Assume by default that we did not install this permission into the system. 8585 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8586 8587 // Now that permission groups have a special meaning, we ignore permission 8588 // groups for legacy apps to prevent unexpected behavior. In particular, 8589 // permissions for one app being granted to someone just becase they happen 8590 // to be in a group defined by another app (before this had no implications). 8591 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8592 p.group = mPermissionGroups.get(p.info.group); 8593 // Warn for a permission in an unknown group. 8594 if (p.info.group != null && p.group == null) { 8595 Slog.w(TAG, "Permission " + p.info.name + " from package " 8596 + p.info.packageName + " in an unknown group " + p.info.group); 8597 } 8598 } 8599 8600 ArrayMap<String, BasePermission> permissionMap = 8601 p.tree ? mSettings.mPermissionTrees 8602 : mSettings.mPermissions; 8603 BasePermission bp = permissionMap.get(p.info.name); 8604 8605 // Allow system apps to redefine non-system permissions 8606 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8607 final boolean currentOwnerIsSystem = (bp.perm != null 8608 && isSystemApp(bp.perm.owner)); 8609 if (isSystemApp(p.owner)) { 8610 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8611 // It's a built-in permission and no owner, take ownership now 8612 bp.packageSetting = pkgSetting; 8613 bp.perm = p; 8614 bp.uid = pkg.applicationInfo.uid; 8615 bp.sourcePackage = p.info.packageName; 8616 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8617 } else if (!currentOwnerIsSystem) { 8618 String msg = "New decl " + p.owner + " of permission " 8619 + p.info.name + " is system; overriding " + bp.sourcePackage; 8620 reportSettingsProblem(Log.WARN, msg); 8621 bp = null; 8622 } 8623 } 8624 } 8625 8626 if (bp == null) { 8627 bp = new BasePermission(p.info.name, p.info.packageName, 8628 BasePermission.TYPE_NORMAL); 8629 permissionMap.put(p.info.name, bp); 8630 } 8631 8632 if (bp.perm == null) { 8633 if (bp.sourcePackage == null 8634 || bp.sourcePackage.equals(p.info.packageName)) { 8635 BasePermission tree = findPermissionTreeLP(p.info.name); 8636 if (tree == null 8637 || tree.sourcePackage.equals(p.info.packageName)) { 8638 bp.packageSetting = pkgSetting; 8639 bp.perm = p; 8640 bp.uid = pkg.applicationInfo.uid; 8641 bp.sourcePackage = p.info.packageName; 8642 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8643 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8644 if (r == null) { 8645 r = new StringBuilder(256); 8646 } else { 8647 r.append(' '); 8648 } 8649 r.append(p.info.name); 8650 } 8651 } else { 8652 Slog.w(TAG, "Permission " + p.info.name + " from package " 8653 + p.info.packageName + " ignored: base tree " 8654 + tree.name + " is from package " 8655 + tree.sourcePackage); 8656 } 8657 } else { 8658 Slog.w(TAG, "Permission " + p.info.name + " from package " 8659 + p.info.packageName + " ignored: original from " 8660 + bp.sourcePackage); 8661 } 8662 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8663 if (r == null) { 8664 r = new StringBuilder(256); 8665 } else { 8666 r.append(' '); 8667 } 8668 r.append("DUP:"); 8669 r.append(p.info.name); 8670 } 8671 if (bp.perm == p) { 8672 bp.protectionLevel = p.info.protectionLevel; 8673 } 8674 } 8675 8676 if (r != null) { 8677 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8678 } 8679 8680 N = pkg.instrumentation.size(); 8681 r = null; 8682 for (i=0; i<N; i++) { 8683 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8684 a.info.packageName = pkg.applicationInfo.packageName; 8685 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8686 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8687 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8688 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8689 a.info.dataDir = pkg.applicationInfo.dataDir; 8690 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8691 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8692 8693 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8694 // need other information about the application, like the ABI and what not ? 8695 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8696 mInstrumentation.put(a.getComponentName(), a); 8697 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8698 if (r == null) { 8699 r = new StringBuilder(256); 8700 } else { 8701 r.append(' '); 8702 } 8703 r.append(a.info.name); 8704 } 8705 } 8706 if (r != null) { 8707 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8708 } 8709 8710 if (pkg.protectedBroadcasts != null) { 8711 N = pkg.protectedBroadcasts.size(); 8712 for (i=0; i<N; i++) { 8713 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8714 } 8715 } 8716 8717 pkgSetting.setTimeStamp(scanFileTime); 8718 8719 // Create idmap files for pairs of (packages, overlay packages). 8720 // Note: "android", ie framework-res.apk, is handled by native layers. 8721 if (pkg.mOverlayTarget != null) { 8722 // This is an overlay package. 8723 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8724 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8725 mOverlays.put(pkg.mOverlayTarget, 8726 new ArrayMap<String, PackageParser.Package>()); 8727 } 8728 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8729 map.put(pkg.packageName, pkg); 8730 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8731 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8732 createIdmapFailed = true; 8733 } 8734 } 8735 } else if (mOverlays.containsKey(pkg.packageName) && 8736 !pkg.packageName.equals("android")) { 8737 // This is a regular package, with one or more known overlay packages. 8738 createIdmapsForPackageLI(pkg); 8739 } 8740 } 8741 8742 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8743 8744 if (createIdmapFailed) { 8745 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8746 "scanPackageLI failed to createIdmap"); 8747 } 8748 return pkg; 8749 } 8750 8751 /** 8752 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8753 * is derived purely on the basis of the contents of {@code scanFile} and 8754 * {@code cpuAbiOverride}. 8755 * 8756 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8757 */ 8758 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8759 String cpuAbiOverride, boolean extractLibs) 8760 throws PackageManagerException { 8761 // TODO: We can probably be smarter about this stuff. For installed apps, 8762 // we can calculate this information at install time once and for all. For 8763 // system apps, we can probably assume that this information doesn't change 8764 // after the first boot scan. As things stand, we do lots of unnecessary work. 8765 8766 // Give ourselves some initial paths; we'll come back for another 8767 // pass once we've determined ABI below. 8768 setNativeLibraryPaths(pkg); 8769 8770 // We would never need to extract libs for forward-locked and external packages, 8771 // since the container service will do it for us. We shouldn't attempt to 8772 // extract libs from system app when it was not updated. 8773 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8774 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8775 extractLibs = false; 8776 } 8777 8778 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8779 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8780 8781 NativeLibraryHelper.Handle handle = null; 8782 try { 8783 handle = NativeLibraryHelper.Handle.create(pkg); 8784 // TODO(multiArch): This can be null for apps that didn't go through the 8785 // usual installation process. We can calculate it again, like we 8786 // do during install time. 8787 // 8788 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8789 // unnecessary. 8790 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8791 8792 // Null out the abis so that they can be recalculated. 8793 pkg.applicationInfo.primaryCpuAbi = null; 8794 pkg.applicationInfo.secondaryCpuAbi = null; 8795 if (isMultiArch(pkg.applicationInfo)) { 8796 // Warn if we've set an abiOverride for multi-lib packages.. 8797 // By definition, we need to copy both 32 and 64 bit libraries for 8798 // such packages. 8799 if (pkg.cpuAbiOverride != null 8800 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8801 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8802 } 8803 8804 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8805 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8806 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8807 if (extractLibs) { 8808 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8809 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8810 useIsaSpecificSubdirs); 8811 } else { 8812 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8813 } 8814 } 8815 8816 maybeThrowExceptionForMultiArchCopy( 8817 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8818 8819 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8820 if (extractLibs) { 8821 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8822 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8823 useIsaSpecificSubdirs); 8824 } else { 8825 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8826 } 8827 } 8828 8829 maybeThrowExceptionForMultiArchCopy( 8830 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8831 8832 if (abi64 >= 0) { 8833 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8834 } 8835 8836 if (abi32 >= 0) { 8837 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8838 if (abi64 >= 0) { 8839 if (pkg.use32bitAbi) { 8840 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8841 pkg.applicationInfo.primaryCpuAbi = abi; 8842 } else { 8843 pkg.applicationInfo.secondaryCpuAbi = abi; 8844 } 8845 } else { 8846 pkg.applicationInfo.primaryCpuAbi = abi; 8847 } 8848 } 8849 8850 } else { 8851 String[] abiList = (cpuAbiOverride != null) ? 8852 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8853 8854 // Enable gross and lame hacks for apps that are built with old 8855 // SDK tools. We must scan their APKs for renderscript bitcode and 8856 // not launch them if it's present. Don't bother checking on devices 8857 // that don't have 64 bit support. 8858 boolean needsRenderScriptOverride = false; 8859 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8860 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8861 abiList = Build.SUPPORTED_32_BIT_ABIS; 8862 needsRenderScriptOverride = true; 8863 } 8864 8865 final int copyRet; 8866 if (extractLibs) { 8867 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8868 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8869 } else { 8870 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8871 } 8872 8873 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8874 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8875 "Error unpackaging native libs for app, errorCode=" + copyRet); 8876 } 8877 8878 if (copyRet >= 0) { 8879 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8880 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8881 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8882 } else if (needsRenderScriptOverride) { 8883 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8884 } 8885 } 8886 } catch (IOException ioe) { 8887 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8888 } finally { 8889 IoUtils.closeQuietly(handle); 8890 } 8891 8892 // Now that we've calculated the ABIs and determined if it's an internal app, 8893 // we will go ahead and populate the nativeLibraryPath. 8894 setNativeLibraryPaths(pkg); 8895 } 8896 8897 /** 8898 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8899 * i.e, so that all packages can be run inside a single process if required. 8900 * 8901 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8902 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8903 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8904 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8905 * updating a package that belongs to a shared user. 8906 * 8907 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8908 * adds unnecessary complexity. 8909 */ 8910 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8911 PackageParser.Package scannedPackage, boolean bootComplete) { 8912 String requiredInstructionSet = null; 8913 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8914 requiredInstructionSet = VMRuntime.getInstructionSet( 8915 scannedPackage.applicationInfo.primaryCpuAbi); 8916 } 8917 8918 PackageSetting requirer = null; 8919 for (PackageSetting ps : packagesForUser) { 8920 // If packagesForUser contains scannedPackage, we skip it. This will happen 8921 // when scannedPackage is an update of an existing package. Without this check, 8922 // we will never be able to change the ABI of any package belonging to a shared 8923 // user, even if it's compatible with other packages. 8924 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8925 if (ps.primaryCpuAbiString == null) { 8926 continue; 8927 } 8928 8929 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8930 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8931 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8932 // this but there's not much we can do. 8933 String errorMessage = "Instruction set mismatch, " 8934 + ((requirer == null) ? "[caller]" : requirer) 8935 + " requires " + requiredInstructionSet + " whereas " + ps 8936 + " requires " + instructionSet; 8937 Slog.w(TAG, errorMessage); 8938 } 8939 8940 if (requiredInstructionSet == null) { 8941 requiredInstructionSet = instructionSet; 8942 requirer = ps; 8943 } 8944 } 8945 } 8946 8947 if (requiredInstructionSet != null) { 8948 String adjustedAbi; 8949 if (requirer != null) { 8950 // requirer != null implies that either scannedPackage was null or that scannedPackage 8951 // did not require an ABI, in which case we have to adjust scannedPackage to match 8952 // the ABI of the set (which is the same as requirer's ABI) 8953 adjustedAbi = requirer.primaryCpuAbiString; 8954 if (scannedPackage != null) { 8955 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8956 } 8957 } else { 8958 // requirer == null implies that we're updating all ABIs in the set to 8959 // match scannedPackage. 8960 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8961 } 8962 8963 for (PackageSetting ps : packagesForUser) { 8964 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8965 if (ps.primaryCpuAbiString != null) { 8966 continue; 8967 } 8968 8969 ps.primaryCpuAbiString = adjustedAbi; 8970 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8971 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8972 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8973 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8974 + " (requirer=" 8975 + (requirer == null ? "null" : requirer.pkg.packageName) 8976 + ", scannedPackage=" 8977 + (scannedPackage != null ? scannedPackage.packageName : "null") 8978 + ")"); 8979 try { 8980 mInstaller.rmdex(ps.codePathString, 8981 getDexCodeInstructionSet(getPreferredInstructionSet())); 8982 } catch (InstallerException ignored) { 8983 } 8984 } 8985 } 8986 } 8987 } 8988 } 8989 8990 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8991 synchronized (mPackages) { 8992 mResolverReplaced = true; 8993 // Set up information for custom user intent resolution activity. 8994 mResolveActivity.applicationInfo = pkg.applicationInfo; 8995 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8996 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8997 mResolveActivity.processName = pkg.applicationInfo.packageName; 8998 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8999 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9000 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9001 mResolveActivity.theme = 0; 9002 mResolveActivity.exported = true; 9003 mResolveActivity.enabled = true; 9004 mResolveInfo.activityInfo = mResolveActivity; 9005 mResolveInfo.priority = 0; 9006 mResolveInfo.preferredOrder = 0; 9007 mResolveInfo.match = 0; 9008 mResolveComponentName = mCustomResolverComponentName; 9009 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9010 mResolveComponentName); 9011 } 9012 } 9013 9014 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9015 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9016 9017 // Set up information for ephemeral installer activity 9018 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9019 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9020 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9021 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9022 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9023 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9024 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9025 mEphemeralInstallerActivity.theme = 0; 9026 mEphemeralInstallerActivity.exported = true; 9027 mEphemeralInstallerActivity.enabled = true; 9028 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9029 mEphemeralInstallerInfo.priority = 0; 9030 mEphemeralInstallerInfo.preferredOrder = 0; 9031 mEphemeralInstallerInfo.match = 0; 9032 9033 if (DEBUG_EPHEMERAL) { 9034 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9035 } 9036 } 9037 9038 private static String calculateBundledApkRoot(final String codePathString) { 9039 final File codePath = new File(codePathString); 9040 final File codeRoot; 9041 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9042 codeRoot = Environment.getRootDirectory(); 9043 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9044 codeRoot = Environment.getOemDirectory(); 9045 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9046 codeRoot = Environment.getVendorDirectory(); 9047 } else { 9048 // Unrecognized code path; take its top real segment as the apk root: 9049 // e.g. /something/app/blah.apk => /something 9050 try { 9051 File f = codePath.getCanonicalFile(); 9052 File parent = f.getParentFile(); // non-null because codePath is a file 9053 File tmp; 9054 while ((tmp = parent.getParentFile()) != null) { 9055 f = parent; 9056 parent = tmp; 9057 } 9058 codeRoot = f; 9059 Slog.w(TAG, "Unrecognized code path " 9060 + codePath + " - using " + codeRoot); 9061 } catch (IOException e) { 9062 // Can't canonicalize the code path -- shenanigans? 9063 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9064 return Environment.getRootDirectory().getPath(); 9065 } 9066 } 9067 return codeRoot.getPath(); 9068 } 9069 9070 /** 9071 * Derive and set the location of native libraries for the given package, 9072 * which varies depending on where and how the package was installed. 9073 */ 9074 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9075 final ApplicationInfo info = pkg.applicationInfo; 9076 final String codePath = pkg.codePath; 9077 final File codeFile = new File(codePath); 9078 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9079 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9080 9081 info.nativeLibraryRootDir = null; 9082 info.nativeLibraryRootRequiresIsa = false; 9083 info.nativeLibraryDir = null; 9084 info.secondaryNativeLibraryDir = null; 9085 9086 if (isApkFile(codeFile)) { 9087 // Monolithic install 9088 if (bundledApp) { 9089 // If "/system/lib64/apkname" exists, assume that is the per-package 9090 // native library directory to use; otherwise use "/system/lib/apkname". 9091 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9092 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9093 getPrimaryInstructionSet(info)); 9094 9095 // This is a bundled system app so choose the path based on the ABI. 9096 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9097 // is just the default path. 9098 final String apkName = deriveCodePathName(codePath); 9099 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9100 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9101 apkName).getAbsolutePath(); 9102 9103 if (info.secondaryCpuAbi != null) { 9104 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9105 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9106 secondaryLibDir, apkName).getAbsolutePath(); 9107 } 9108 } else if (asecApp) { 9109 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9110 .getAbsolutePath(); 9111 } else { 9112 final String apkName = deriveCodePathName(codePath); 9113 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9114 .getAbsolutePath(); 9115 } 9116 9117 info.nativeLibraryRootRequiresIsa = false; 9118 info.nativeLibraryDir = info.nativeLibraryRootDir; 9119 } else { 9120 // Cluster install 9121 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9122 info.nativeLibraryRootRequiresIsa = true; 9123 9124 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9125 getPrimaryInstructionSet(info)).getAbsolutePath(); 9126 9127 if (info.secondaryCpuAbi != null) { 9128 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9129 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9130 } 9131 } 9132 } 9133 9134 /** 9135 * Calculate the abis and roots for a bundled app. These can uniquely 9136 * be determined from the contents of the system partition, i.e whether 9137 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9138 * of this information, and instead assume that the system was built 9139 * sensibly. 9140 */ 9141 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9142 PackageSetting pkgSetting) { 9143 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9144 9145 // If "/system/lib64/apkname" exists, assume that is the per-package 9146 // native library directory to use; otherwise use "/system/lib/apkname". 9147 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9148 setBundledAppAbi(pkg, apkRoot, apkName); 9149 // pkgSetting might be null during rescan following uninstall of updates 9150 // to a bundled app, so accommodate that possibility. The settings in 9151 // that case will be established later from the parsed package. 9152 // 9153 // If the settings aren't null, sync them up with what we've just derived. 9154 // note that apkRoot isn't stored in the package settings. 9155 if (pkgSetting != null) { 9156 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9157 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9158 } 9159 } 9160 9161 /** 9162 * Deduces the ABI of a bundled app and sets the relevant fields on the 9163 * parsed pkg object. 9164 * 9165 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9166 * under which system libraries are installed. 9167 * @param apkName the name of the installed package. 9168 */ 9169 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9170 final File codeFile = new File(pkg.codePath); 9171 9172 final boolean has64BitLibs; 9173 final boolean has32BitLibs; 9174 if (isApkFile(codeFile)) { 9175 // Monolithic install 9176 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9177 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9178 } else { 9179 // Cluster install 9180 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9181 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9182 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9183 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9184 has64BitLibs = (new File(rootDir, isa)).exists(); 9185 } else { 9186 has64BitLibs = false; 9187 } 9188 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9189 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9190 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9191 has32BitLibs = (new File(rootDir, isa)).exists(); 9192 } else { 9193 has32BitLibs = false; 9194 } 9195 } 9196 9197 if (has64BitLibs && !has32BitLibs) { 9198 // The package has 64 bit libs, but not 32 bit libs. Its primary 9199 // ABI should be 64 bit. We can safely assume here that the bundled 9200 // native libraries correspond to the most preferred ABI in the list. 9201 9202 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9203 pkg.applicationInfo.secondaryCpuAbi = null; 9204 } else if (has32BitLibs && !has64BitLibs) { 9205 // The package has 32 bit libs but not 64 bit libs. Its primary 9206 // ABI should be 32 bit. 9207 9208 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9209 pkg.applicationInfo.secondaryCpuAbi = null; 9210 } else if (has32BitLibs && has64BitLibs) { 9211 // The application has both 64 and 32 bit bundled libraries. We check 9212 // here that the app declares multiArch support, and warn if it doesn't. 9213 // 9214 // We will be lenient here and record both ABIs. The primary will be the 9215 // ABI that's higher on the list, i.e, a device that's configured to prefer 9216 // 64 bit apps will see a 64 bit primary ABI, 9217 9218 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9219 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9220 } 9221 9222 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9223 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9224 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9225 } else { 9226 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9227 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9228 } 9229 } else { 9230 pkg.applicationInfo.primaryCpuAbi = null; 9231 pkg.applicationInfo.secondaryCpuAbi = null; 9232 } 9233 } 9234 9235 private void killApplication(String pkgName, int appId, String reason) { 9236 // Request the ActivityManager to kill the process(only for existing packages) 9237 // so that we do not end up in a confused state while the user is still using the older 9238 // version of the application while the new one gets installed. 9239 final long token = Binder.clearCallingIdentity(); 9240 try { 9241 IActivityManager am = ActivityManagerNative.getDefault(); 9242 if (am != null) { 9243 try { 9244 am.killApplicationWithAppId(pkgName, appId, reason); 9245 } catch (RemoteException e) { 9246 } 9247 } 9248 } finally { 9249 Binder.restoreCallingIdentity(token); 9250 } 9251 } 9252 9253 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9254 // Remove the parent package setting 9255 PackageSetting ps = (PackageSetting) pkg.mExtras; 9256 if (ps != null) { 9257 removePackageLI(ps, chatty); 9258 } 9259 // Remove the child package setting 9260 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9261 for (int i = 0; i < childCount; i++) { 9262 PackageParser.Package childPkg = pkg.childPackages.get(i); 9263 ps = (PackageSetting) childPkg.mExtras; 9264 if (ps != null) { 9265 removePackageLI(ps, chatty); 9266 } 9267 } 9268 } 9269 9270 void removePackageLI(PackageSetting ps, boolean chatty) { 9271 if (DEBUG_INSTALL) { 9272 if (chatty) 9273 Log.d(TAG, "Removing package " + ps.name); 9274 } 9275 9276 // writer 9277 synchronized (mPackages) { 9278 mPackages.remove(ps.name); 9279 final PackageParser.Package pkg = ps.pkg; 9280 if (pkg != null) { 9281 cleanPackageDataStructuresLILPw(pkg, chatty); 9282 } 9283 } 9284 } 9285 9286 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9287 if (DEBUG_INSTALL) { 9288 if (chatty) 9289 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9290 } 9291 9292 // writer 9293 synchronized (mPackages) { 9294 // Remove the parent package 9295 mPackages.remove(pkg.applicationInfo.packageName); 9296 cleanPackageDataStructuresLILPw(pkg, chatty); 9297 9298 // Remove the child packages 9299 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9300 for (int i = 0; i < childCount; i++) { 9301 PackageParser.Package childPkg = pkg.childPackages.get(i); 9302 mPackages.remove(childPkg.applicationInfo.packageName); 9303 cleanPackageDataStructuresLILPw(childPkg, chatty); 9304 } 9305 } 9306 } 9307 9308 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9309 int N = pkg.providers.size(); 9310 StringBuilder r = null; 9311 int i; 9312 for (i=0; i<N; i++) { 9313 PackageParser.Provider p = pkg.providers.get(i); 9314 mProviders.removeProvider(p); 9315 if (p.info.authority == null) { 9316 9317 /* There was another ContentProvider with this authority when 9318 * this app was installed so this authority is null, 9319 * Ignore it as we don't have to unregister the provider. 9320 */ 9321 continue; 9322 } 9323 String names[] = p.info.authority.split(";"); 9324 for (int j = 0; j < names.length; j++) { 9325 if (mProvidersByAuthority.get(names[j]) == p) { 9326 mProvidersByAuthority.remove(names[j]); 9327 if (DEBUG_REMOVE) { 9328 if (chatty) 9329 Log.d(TAG, "Unregistered content provider: " + names[j] 9330 + ", className = " + p.info.name + ", isSyncable = " 9331 + p.info.isSyncable); 9332 } 9333 } 9334 } 9335 if (DEBUG_REMOVE && chatty) { 9336 if (r == null) { 9337 r = new StringBuilder(256); 9338 } else { 9339 r.append(' '); 9340 } 9341 r.append(p.info.name); 9342 } 9343 } 9344 if (r != null) { 9345 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9346 } 9347 9348 N = pkg.services.size(); 9349 r = null; 9350 for (i=0; i<N; i++) { 9351 PackageParser.Service s = pkg.services.get(i); 9352 mServices.removeService(s); 9353 if (chatty) { 9354 if (r == null) { 9355 r = new StringBuilder(256); 9356 } else { 9357 r.append(' '); 9358 } 9359 r.append(s.info.name); 9360 } 9361 } 9362 if (r != null) { 9363 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9364 } 9365 9366 N = pkg.receivers.size(); 9367 r = null; 9368 for (i=0; i<N; i++) { 9369 PackageParser.Activity a = pkg.receivers.get(i); 9370 mReceivers.removeActivity(a, "receiver"); 9371 if (DEBUG_REMOVE && chatty) { 9372 if (r == null) { 9373 r = new StringBuilder(256); 9374 } else { 9375 r.append(' '); 9376 } 9377 r.append(a.info.name); 9378 } 9379 } 9380 if (r != null) { 9381 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9382 } 9383 9384 N = pkg.activities.size(); 9385 r = null; 9386 for (i=0; i<N; i++) { 9387 PackageParser.Activity a = pkg.activities.get(i); 9388 mActivities.removeActivity(a, "activity"); 9389 if (DEBUG_REMOVE && chatty) { 9390 if (r == null) { 9391 r = new StringBuilder(256); 9392 } else { 9393 r.append(' '); 9394 } 9395 r.append(a.info.name); 9396 } 9397 } 9398 if (r != null) { 9399 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9400 } 9401 9402 N = pkg.permissions.size(); 9403 r = null; 9404 for (i=0; i<N; i++) { 9405 PackageParser.Permission p = pkg.permissions.get(i); 9406 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9407 if (bp == null) { 9408 bp = mSettings.mPermissionTrees.get(p.info.name); 9409 } 9410 if (bp != null && bp.perm == p) { 9411 bp.perm = null; 9412 if (DEBUG_REMOVE && chatty) { 9413 if (r == null) { 9414 r = new StringBuilder(256); 9415 } else { 9416 r.append(' '); 9417 } 9418 r.append(p.info.name); 9419 } 9420 } 9421 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9422 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9423 if (appOpPkgs != null) { 9424 appOpPkgs.remove(pkg.packageName); 9425 } 9426 } 9427 } 9428 if (r != null) { 9429 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9430 } 9431 9432 N = pkg.requestedPermissions.size(); 9433 r = null; 9434 for (i=0; i<N; i++) { 9435 String perm = pkg.requestedPermissions.get(i); 9436 BasePermission bp = mSettings.mPermissions.get(perm); 9437 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9438 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9439 if (appOpPkgs != null) { 9440 appOpPkgs.remove(pkg.packageName); 9441 if (appOpPkgs.isEmpty()) { 9442 mAppOpPermissionPackages.remove(perm); 9443 } 9444 } 9445 } 9446 } 9447 if (r != null) { 9448 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9449 } 9450 9451 N = pkg.instrumentation.size(); 9452 r = null; 9453 for (i=0; i<N; i++) { 9454 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9455 mInstrumentation.remove(a.getComponentName()); 9456 if (DEBUG_REMOVE && chatty) { 9457 if (r == null) { 9458 r = new StringBuilder(256); 9459 } else { 9460 r.append(' '); 9461 } 9462 r.append(a.info.name); 9463 } 9464 } 9465 if (r != null) { 9466 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9467 } 9468 9469 r = null; 9470 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9471 // Only system apps can hold shared libraries. 9472 if (pkg.libraryNames != null) { 9473 for (i=0; i<pkg.libraryNames.size(); i++) { 9474 String name = pkg.libraryNames.get(i); 9475 SharedLibraryEntry cur = mSharedLibraries.get(name); 9476 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9477 mSharedLibraries.remove(name); 9478 if (DEBUG_REMOVE && chatty) { 9479 if (r == null) { 9480 r = new StringBuilder(256); 9481 } else { 9482 r.append(' '); 9483 } 9484 r.append(name); 9485 } 9486 } 9487 } 9488 } 9489 } 9490 if (r != null) { 9491 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9492 } 9493 } 9494 9495 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9496 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9497 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9498 return true; 9499 } 9500 } 9501 return false; 9502 } 9503 9504 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9505 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9506 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9507 9508 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9509 // Update the parent permissions 9510 updatePermissionsLPw(pkg.packageName, pkg, flags); 9511 // Update the child permissions 9512 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9513 for (int i = 0; i < childCount; i++) { 9514 PackageParser.Package childPkg = pkg.childPackages.get(i); 9515 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9516 } 9517 } 9518 9519 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9520 int flags) { 9521 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9522 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9523 } 9524 9525 private void updatePermissionsLPw(String changingPkg, 9526 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9527 // Make sure there are no dangling permission trees. 9528 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9529 while (it.hasNext()) { 9530 final BasePermission bp = it.next(); 9531 if (bp.packageSetting == null) { 9532 // We may not yet have parsed the package, so just see if 9533 // we still know about its settings. 9534 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9535 } 9536 if (bp.packageSetting == null) { 9537 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9538 + " from package " + bp.sourcePackage); 9539 it.remove(); 9540 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9541 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9542 Slog.i(TAG, "Removing old permission tree: " + bp.name 9543 + " from package " + bp.sourcePackage); 9544 flags |= UPDATE_PERMISSIONS_ALL; 9545 it.remove(); 9546 } 9547 } 9548 } 9549 9550 // Make sure all dynamic permissions have been assigned to a package, 9551 // and make sure there are no dangling permissions. 9552 it = mSettings.mPermissions.values().iterator(); 9553 while (it.hasNext()) { 9554 final BasePermission bp = it.next(); 9555 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9556 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9557 + bp.name + " pkg=" + bp.sourcePackage 9558 + " info=" + bp.pendingInfo); 9559 if (bp.packageSetting == null && bp.pendingInfo != null) { 9560 final BasePermission tree = findPermissionTreeLP(bp.name); 9561 if (tree != null && tree.perm != null) { 9562 bp.packageSetting = tree.packageSetting; 9563 bp.perm = new PackageParser.Permission(tree.perm.owner, 9564 new PermissionInfo(bp.pendingInfo)); 9565 bp.perm.info.packageName = tree.perm.info.packageName; 9566 bp.perm.info.name = bp.name; 9567 bp.uid = tree.uid; 9568 } 9569 } 9570 } 9571 if (bp.packageSetting == null) { 9572 // We may not yet have parsed the package, so just see if 9573 // we still know about its settings. 9574 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9575 } 9576 if (bp.packageSetting == null) { 9577 Slog.w(TAG, "Removing dangling permission: " + bp.name 9578 + " from package " + bp.sourcePackage); 9579 it.remove(); 9580 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9581 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9582 Slog.i(TAG, "Removing old permission: " + bp.name 9583 + " from package " + bp.sourcePackage); 9584 flags |= UPDATE_PERMISSIONS_ALL; 9585 it.remove(); 9586 } 9587 } 9588 } 9589 9590 // Now update the permissions for all packages, in particular 9591 // replace the granted permissions of the system packages. 9592 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9593 for (PackageParser.Package pkg : mPackages.values()) { 9594 if (pkg != pkgInfo) { 9595 // Only replace for packages on requested volume 9596 final String volumeUuid = getVolumeUuidForPackage(pkg); 9597 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9598 && Objects.equals(replaceVolumeUuid, volumeUuid); 9599 grantPermissionsLPw(pkg, replace, changingPkg); 9600 } 9601 } 9602 } 9603 9604 if (pkgInfo != null) { 9605 // Only replace for packages on requested volume 9606 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9607 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9608 && Objects.equals(replaceVolumeUuid, volumeUuid); 9609 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9610 } 9611 } 9612 9613 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9614 String packageOfInterest) { 9615 // IMPORTANT: There are two types of permissions: install and runtime. 9616 // Install time permissions are granted when the app is installed to 9617 // all device users and users added in the future. Runtime permissions 9618 // are granted at runtime explicitly to specific users. Normal and signature 9619 // protected permissions are install time permissions. Dangerous permissions 9620 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9621 // otherwise they are runtime permissions. This function does not manage 9622 // runtime permissions except for the case an app targeting Lollipop MR1 9623 // being upgraded to target a newer SDK, in which case dangerous permissions 9624 // are transformed from install time to runtime ones. 9625 9626 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9627 if (ps == null) { 9628 return; 9629 } 9630 9631 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9632 9633 PermissionsState permissionsState = ps.getPermissionsState(); 9634 PermissionsState origPermissions = permissionsState; 9635 9636 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9637 9638 boolean runtimePermissionsRevoked = false; 9639 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9640 9641 boolean changedInstallPermission = false; 9642 9643 if (replace) { 9644 ps.installPermissionsFixed = false; 9645 if (!ps.isSharedUser()) { 9646 origPermissions = new PermissionsState(permissionsState); 9647 permissionsState.reset(); 9648 } else { 9649 // We need to know only about runtime permission changes since the 9650 // calling code always writes the install permissions state but 9651 // the runtime ones are written only if changed. The only cases of 9652 // changed runtime permissions here are promotion of an install to 9653 // runtime and revocation of a runtime from a shared user. 9654 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9655 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9656 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9657 runtimePermissionsRevoked = true; 9658 } 9659 } 9660 } 9661 9662 permissionsState.setGlobalGids(mGlobalGids); 9663 9664 final int N = pkg.requestedPermissions.size(); 9665 for (int i=0; i<N; i++) { 9666 final String name = pkg.requestedPermissions.get(i); 9667 final BasePermission bp = mSettings.mPermissions.get(name); 9668 9669 if (DEBUG_INSTALL) { 9670 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9671 } 9672 9673 if (bp == null || bp.packageSetting == null) { 9674 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9675 Slog.w(TAG, "Unknown permission " + name 9676 + " in package " + pkg.packageName); 9677 } 9678 continue; 9679 } 9680 9681 final String perm = bp.name; 9682 boolean allowedSig = false; 9683 int grant = GRANT_DENIED; 9684 9685 // Keep track of app op permissions. 9686 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9687 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9688 if (pkgs == null) { 9689 pkgs = new ArraySet<>(); 9690 mAppOpPermissionPackages.put(bp.name, pkgs); 9691 } 9692 pkgs.add(pkg.packageName); 9693 } 9694 9695 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9696 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9697 >= Build.VERSION_CODES.M; 9698 switch (level) { 9699 case PermissionInfo.PROTECTION_NORMAL: { 9700 // For all apps normal permissions are install time ones. 9701 grant = GRANT_INSTALL; 9702 } break; 9703 9704 case PermissionInfo.PROTECTION_DANGEROUS: { 9705 // If a permission review is required for legacy apps we represent 9706 // their permissions as always granted runtime ones since we need 9707 // to keep the review required permission flag per user while an 9708 // install permission's state is shared across all users. 9709 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9710 // For legacy apps dangerous permissions are install time ones. 9711 grant = GRANT_INSTALL; 9712 } else if (origPermissions.hasInstallPermission(bp.name)) { 9713 // For legacy apps that became modern, install becomes runtime. 9714 grant = GRANT_UPGRADE; 9715 } else if (mPromoteSystemApps 9716 && isSystemApp(ps) 9717 && mExistingSystemPackages.contains(ps.name)) { 9718 // For legacy system apps, install becomes runtime. 9719 // We cannot check hasInstallPermission() for system apps since those 9720 // permissions were granted implicitly and not persisted pre-M. 9721 grant = GRANT_UPGRADE; 9722 } else { 9723 // For modern apps keep runtime permissions unchanged. 9724 grant = GRANT_RUNTIME; 9725 } 9726 } break; 9727 9728 case PermissionInfo.PROTECTION_SIGNATURE: { 9729 // For all apps signature permissions are install time ones. 9730 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9731 if (allowedSig) { 9732 grant = GRANT_INSTALL; 9733 } 9734 } break; 9735 } 9736 9737 if (DEBUG_INSTALL) { 9738 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9739 } 9740 9741 if (grant != GRANT_DENIED) { 9742 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9743 // If this is an existing, non-system package, then 9744 // we can't add any new permissions to it. 9745 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9746 // Except... if this is a permission that was added 9747 // to the platform (note: need to only do this when 9748 // updating the platform). 9749 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9750 grant = GRANT_DENIED; 9751 } 9752 } 9753 } 9754 9755 switch (grant) { 9756 case GRANT_INSTALL: { 9757 // Revoke this as runtime permission to handle the case of 9758 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9759 for (int userId : UserManagerService.getInstance().getUserIds()) { 9760 if (origPermissions.getRuntimePermissionState( 9761 bp.name, userId) != null) { 9762 // Revoke the runtime permission and clear the flags. 9763 origPermissions.revokeRuntimePermission(bp, userId); 9764 origPermissions.updatePermissionFlags(bp, userId, 9765 PackageManager.MASK_PERMISSION_FLAGS, 0); 9766 // If we revoked a permission permission, we have to write. 9767 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9768 changedRuntimePermissionUserIds, userId); 9769 } 9770 } 9771 // Grant an install permission. 9772 if (permissionsState.grantInstallPermission(bp) != 9773 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9774 changedInstallPermission = true; 9775 } 9776 } break; 9777 9778 case GRANT_RUNTIME: { 9779 // Grant previously granted runtime permissions. 9780 for (int userId : UserManagerService.getInstance().getUserIds()) { 9781 PermissionState permissionState = origPermissions 9782 .getRuntimePermissionState(bp.name, userId); 9783 int flags = permissionState != null 9784 ? permissionState.getFlags() : 0; 9785 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9786 if (permissionsState.grantRuntimePermission(bp, userId) == 9787 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9788 // If we cannot put the permission as it was, we have to write. 9789 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9790 changedRuntimePermissionUserIds, userId); 9791 } 9792 // If the app supports runtime permissions no need for a review. 9793 if (Build.PERMISSIONS_REVIEW_REQUIRED 9794 && appSupportsRuntimePermissions 9795 && (flags & PackageManager 9796 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9797 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9798 // Since we changed the flags, we have to write. 9799 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9800 changedRuntimePermissionUserIds, userId); 9801 } 9802 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9803 && !appSupportsRuntimePermissions) { 9804 // For legacy apps that need a permission review, every new 9805 // runtime permission is granted but it is pending a review. 9806 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9807 permissionsState.grantRuntimePermission(bp, userId); 9808 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9809 // We changed the permission and flags, hence have to write. 9810 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9811 changedRuntimePermissionUserIds, userId); 9812 } 9813 } 9814 // Propagate the permission flags. 9815 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9816 } 9817 } break; 9818 9819 case GRANT_UPGRADE: { 9820 // Grant runtime permissions for a previously held install permission. 9821 PermissionState permissionState = origPermissions 9822 .getInstallPermissionState(bp.name); 9823 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9824 9825 if (origPermissions.revokeInstallPermission(bp) 9826 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9827 // We will be transferring the permission flags, so clear them. 9828 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9829 PackageManager.MASK_PERMISSION_FLAGS, 0); 9830 changedInstallPermission = true; 9831 } 9832 9833 // If the permission is not to be promoted to runtime we ignore it and 9834 // also its other flags as they are not applicable to install permissions. 9835 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9836 for (int userId : currentUserIds) { 9837 if (permissionsState.grantRuntimePermission(bp, userId) != 9838 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9839 // Transfer the permission flags. 9840 permissionsState.updatePermissionFlags(bp, userId, 9841 flags, flags); 9842 // If we granted the permission, we have to write. 9843 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9844 changedRuntimePermissionUserIds, userId); 9845 } 9846 } 9847 } 9848 } break; 9849 9850 default: { 9851 if (packageOfInterest == null 9852 || packageOfInterest.equals(pkg.packageName)) { 9853 Slog.w(TAG, "Not granting permission " + perm 9854 + " to package " + pkg.packageName 9855 + " because it was previously installed without"); 9856 } 9857 } break; 9858 } 9859 } else { 9860 if (permissionsState.revokeInstallPermission(bp) != 9861 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9862 // Also drop the permission flags. 9863 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9864 PackageManager.MASK_PERMISSION_FLAGS, 0); 9865 changedInstallPermission = true; 9866 Slog.i(TAG, "Un-granting permission " + perm 9867 + " from package " + pkg.packageName 9868 + " (protectionLevel=" + bp.protectionLevel 9869 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9870 + ")"); 9871 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9872 // Don't print warning for app op permissions, since it is fine for them 9873 // not to be granted, there is a UI for the user to decide. 9874 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9875 Slog.w(TAG, "Not granting permission " + perm 9876 + " to package " + pkg.packageName 9877 + " (protectionLevel=" + bp.protectionLevel 9878 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9879 + ")"); 9880 } 9881 } 9882 } 9883 } 9884 9885 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9886 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9887 // This is the first that we have heard about this package, so the 9888 // permissions we have now selected are fixed until explicitly 9889 // changed. 9890 ps.installPermissionsFixed = true; 9891 } 9892 9893 // Persist the runtime permissions state for users with changes. If permissions 9894 // were revoked because no app in the shared user declares them we have to 9895 // write synchronously to avoid losing runtime permissions state. 9896 for (int userId : changedRuntimePermissionUserIds) { 9897 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9898 } 9899 9900 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9901 } 9902 9903 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9904 boolean allowed = false; 9905 final int NP = PackageParser.NEW_PERMISSIONS.length; 9906 for (int ip=0; ip<NP; ip++) { 9907 final PackageParser.NewPermissionInfo npi 9908 = PackageParser.NEW_PERMISSIONS[ip]; 9909 if (npi.name.equals(perm) 9910 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9911 allowed = true; 9912 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9913 + pkg.packageName); 9914 break; 9915 } 9916 } 9917 return allowed; 9918 } 9919 9920 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9921 BasePermission bp, PermissionsState origPermissions) { 9922 boolean allowed; 9923 allowed = (compareSignatures( 9924 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9925 == PackageManager.SIGNATURE_MATCH) 9926 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9927 == PackageManager.SIGNATURE_MATCH); 9928 if (!allowed && (bp.protectionLevel 9929 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9930 if (isSystemApp(pkg)) { 9931 // For updated system applications, a system permission 9932 // is granted only if it had been defined by the original application. 9933 if (pkg.isUpdatedSystemApp()) { 9934 final PackageSetting sysPs = mSettings 9935 .getDisabledSystemPkgLPr(pkg.packageName); 9936 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9937 // If the original was granted this permission, we take 9938 // that grant decision as read and propagate it to the 9939 // update. 9940 if (sysPs.isPrivileged()) { 9941 allowed = true; 9942 } 9943 } else { 9944 // The system apk may have been updated with an older 9945 // version of the one on the data partition, but which 9946 // granted a new system permission that it didn't have 9947 // before. In this case we do want to allow the app to 9948 // now get the new permission if the ancestral apk is 9949 // privileged to get it. 9950 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9951 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9952 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9953 allowed = true; 9954 break; 9955 } 9956 } 9957 } 9958 // Also if a privileged parent package on the system image or any of 9959 // its children requested a privileged permission, the updated child 9960 // packages can also get the permission. 9961 if (pkg.parentPackage != null) { 9962 final PackageSetting disabledSysParentPs = mSettings 9963 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9964 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9965 && disabledSysParentPs.isPrivileged()) { 9966 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9967 allowed = true; 9968 } else if (disabledSysParentPs.pkg.childPackages != null) { 9969 final int count = disabledSysParentPs.pkg.childPackages.size(); 9970 for (int i = 0; i < count; i++) { 9971 PackageParser.Package disabledSysChildPkg = 9972 disabledSysParentPs.pkg.childPackages.get(i); 9973 if (isPackageRequestingPermission(disabledSysChildPkg, 9974 perm)) { 9975 allowed = true; 9976 break; 9977 } 9978 } 9979 } 9980 } 9981 } 9982 } 9983 } else { 9984 allowed = isPrivilegedApp(pkg); 9985 } 9986 } 9987 } 9988 if (!allowed) { 9989 if (!allowed && (bp.protectionLevel 9990 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9991 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9992 // If this was a previously normal/dangerous permission that got moved 9993 // to a system permission as part of the runtime permission redesign, then 9994 // we still want to blindly grant it to old apps. 9995 allowed = true; 9996 } 9997 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9998 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9999 // If this permission is to be granted to the system installer and 10000 // this app is an installer, then it gets the permission. 10001 allowed = true; 10002 } 10003 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10004 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10005 // If this permission is to be granted to the system verifier and 10006 // this app is a verifier, then it gets the permission. 10007 allowed = true; 10008 } 10009 if (!allowed && (bp.protectionLevel 10010 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10011 && isSystemApp(pkg)) { 10012 // Any pre-installed system app is allowed to get this permission. 10013 allowed = true; 10014 } 10015 if (!allowed && (bp.protectionLevel 10016 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10017 // For development permissions, a development permission 10018 // is granted only if it was already granted. 10019 allowed = origPermissions.hasInstallPermission(perm); 10020 } 10021 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10022 && pkg.packageName.equals(mSetupWizardPackage)) { 10023 // If this permission is to be granted to the system setup wizard and 10024 // this app is a setup wizard, then it gets the permission. 10025 allowed = true; 10026 } 10027 } 10028 return allowed; 10029 } 10030 10031 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10032 final int permCount = pkg.requestedPermissions.size(); 10033 for (int j = 0; j < permCount; j++) { 10034 String requestedPermission = pkg.requestedPermissions.get(j); 10035 if (permission.equals(requestedPermission)) { 10036 return true; 10037 } 10038 } 10039 return false; 10040 } 10041 10042 final class ActivityIntentResolver 10043 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10044 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10045 boolean defaultOnly, int userId) { 10046 if (!sUserManager.exists(userId)) return null; 10047 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10048 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10049 } 10050 10051 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10052 int userId) { 10053 if (!sUserManager.exists(userId)) return null; 10054 mFlags = flags; 10055 return super.queryIntent(intent, resolvedType, 10056 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10057 } 10058 10059 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10060 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10061 if (!sUserManager.exists(userId)) return null; 10062 if (packageActivities == null) { 10063 return null; 10064 } 10065 mFlags = flags; 10066 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10067 final int N = packageActivities.size(); 10068 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10069 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10070 10071 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10072 for (int i = 0; i < N; ++i) { 10073 intentFilters = packageActivities.get(i).intents; 10074 if (intentFilters != null && intentFilters.size() > 0) { 10075 PackageParser.ActivityIntentInfo[] array = 10076 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10077 intentFilters.toArray(array); 10078 listCut.add(array); 10079 } 10080 } 10081 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10082 } 10083 10084 /** 10085 * Finds a privileged activity that matches the specified activity names. 10086 */ 10087 private PackageParser.Activity findMatchingActivity( 10088 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10089 for (PackageParser.Activity sysActivity : activityList) { 10090 if (sysActivity.info.name.equals(activityInfo.name)) { 10091 return sysActivity; 10092 } 10093 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10094 return sysActivity; 10095 } 10096 if (sysActivity.info.targetActivity != null) { 10097 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10098 return sysActivity; 10099 } 10100 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10101 return sysActivity; 10102 } 10103 } 10104 } 10105 return null; 10106 } 10107 10108 public class IterGenerator<E> { 10109 public Iterator<E> generate(ActivityIntentInfo info) { 10110 return null; 10111 } 10112 } 10113 10114 public class ActionIterGenerator extends IterGenerator<String> { 10115 @Override 10116 public Iterator<String> generate(ActivityIntentInfo info) { 10117 return info.actionsIterator(); 10118 } 10119 } 10120 10121 public class CategoriesIterGenerator extends IterGenerator<String> { 10122 @Override 10123 public Iterator<String> generate(ActivityIntentInfo info) { 10124 return info.categoriesIterator(); 10125 } 10126 } 10127 10128 public class SchemesIterGenerator extends IterGenerator<String> { 10129 @Override 10130 public Iterator<String> generate(ActivityIntentInfo info) { 10131 return info.schemesIterator(); 10132 } 10133 } 10134 10135 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10136 @Override 10137 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10138 return info.authoritiesIterator(); 10139 } 10140 } 10141 10142 /** 10143 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10144 * MODIFIED. Do not pass in a list that should not be changed. 10145 */ 10146 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10147 IterGenerator<T> generator, Iterator<T> searchIterator) { 10148 // loop through the set of actions; every one must be found in the intent filter 10149 while (searchIterator.hasNext()) { 10150 // we must have at least one filter in the list to consider a match 10151 if (intentList.size() == 0) { 10152 break; 10153 } 10154 10155 final T searchAction = searchIterator.next(); 10156 10157 // loop through the set of intent filters 10158 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10159 while (intentIter.hasNext()) { 10160 final ActivityIntentInfo intentInfo = intentIter.next(); 10161 boolean selectionFound = false; 10162 10163 // loop through the intent filter's selection criteria; at least one 10164 // of them must match the searched criteria 10165 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10166 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10167 final T intentSelection = intentSelectionIter.next(); 10168 if (intentSelection != null && intentSelection.equals(searchAction)) { 10169 selectionFound = true; 10170 break; 10171 } 10172 } 10173 10174 // the selection criteria wasn't found in this filter's set; this filter 10175 // is not a potential match 10176 if (!selectionFound) { 10177 intentIter.remove(); 10178 } 10179 } 10180 } 10181 } 10182 10183 private boolean isProtectedAction(ActivityIntentInfo filter) { 10184 final Iterator<String> actionsIter = filter.actionsIterator(); 10185 while (actionsIter != null && actionsIter.hasNext()) { 10186 final String filterAction = actionsIter.next(); 10187 if (PROTECTED_ACTIONS.contains(filterAction)) { 10188 return true; 10189 } 10190 } 10191 return false; 10192 } 10193 10194 /** 10195 * Adjusts the priority of the given intent filter according to policy. 10196 * <p> 10197 * <ul> 10198 * <li>The priority for non privileged applications is capped to '0'</li> 10199 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10200 * <li>The priority for unbundled updates to privileged applications is capped to the 10201 * priority defined on the system partition</li> 10202 * </ul> 10203 * <p> 10204 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10205 * allowed to obtain any priority on any action. 10206 */ 10207 private void adjustPriority( 10208 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10209 // nothing to do; priority is fine as-is 10210 if (intent.getPriority() <= 0) { 10211 return; 10212 } 10213 10214 final ActivityInfo activityInfo = intent.activity.info; 10215 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10216 10217 final boolean privilegedApp = 10218 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10219 if (!privilegedApp) { 10220 // non-privileged applications can never define a priority >0 10221 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10222 + " package: " + applicationInfo.packageName 10223 + " activity: " + intent.activity.className 10224 + " origPrio: " + intent.getPriority()); 10225 intent.setPriority(0); 10226 return; 10227 } 10228 10229 if (systemActivities == null) { 10230 // the system package is not disabled; we're parsing the system partition 10231 if (isProtectedAction(intent)) { 10232 if (mDeferProtectedFilters) { 10233 // We can't deal with these just yet. No component should ever obtain a 10234 // >0 priority for a protected actions, with ONE exception -- the setup 10235 // wizard. The setup wizard, however, cannot be known until we're able to 10236 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10237 // until all intent filters have been processed. Chicken, meet egg. 10238 // Let the filter temporarily have a high priority and rectify the 10239 // priorities after all system packages have been scanned. 10240 mProtectedFilters.add(intent); 10241 if (DEBUG_FILTERS) { 10242 Slog.i(TAG, "Protected action; save for later;" 10243 + " package: " + applicationInfo.packageName 10244 + " activity: " + intent.activity.className 10245 + " origPrio: " + intent.getPriority()); 10246 } 10247 return; 10248 } else { 10249 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10250 Slog.i(TAG, "No setup wizard;" 10251 + " All protected intents capped to priority 0"); 10252 } 10253 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10254 if (DEBUG_FILTERS) { 10255 Slog.i(TAG, "Found setup wizard;" 10256 + " allow priority " + intent.getPriority() + ";" 10257 + " package: " + intent.activity.info.packageName 10258 + " activity: " + intent.activity.className 10259 + " priority: " + intent.getPriority()); 10260 } 10261 // setup wizard gets whatever it wants 10262 return; 10263 } 10264 Slog.w(TAG, "Protected action; cap priority to 0;" 10265 + " package: " + intent.activity.info.packageName 10266 + " activity: " + intent.activity.className 10267 + " origPrio: " + intent.getPriority()); 10268 intent.setPriority(0); 10269 return; 10270 } 10271 } 10272 // privileged apps on the system image get whatever priority they request 10273 return; 10274 } 10275 10276 // privileged app unbundled update ... try to find the same activity 10277 final PackageParser.Activity foundActivity = 10278 findMatchingActivity(systemActivities, activityInfo); 10279 if (foundActivity == null) { 10280 // this is a new activity; it cannot obtain >0 priority 10281 if (DEBUG_FILTERS) { 10282 Slog.i(TAG, "New activity; cap priority to 0;" 10283 + " package: " + applicationInfo.packageName 10284 + " activity: " + intent.activity.className 10285 + " origPrio: " + intent.getPriority()); 10286 } 10287 intent.setPriority(0); 10288 return; 10289 } 10290 10291 // found activity, now check for filter equivalence 10292 10293 // a shallow copy is enough; we modify the list, not its contents 10294 final List<ActivityIntentInfo> intentListCopy = 10295 new ArrayList<>(foundActivity.intents); 10296 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10297 10298 // find matching action subsets 10299 final Iterator<String> actionsIterator = intent.actionsIterator(); 10300 if (actionsIterator != null) { 10301 getIntentListSubset( 10302 intentListCopy, new ActionIterGenerator(), actionsIterator); 10303 if (intentListCopy.size() == 0) { 10304 // no more intents to match; we're not equivalent 10305 if (DEBUG_FILTERS) { 10306 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10307 + " package: " + applicationInfo.packageName 10308 + " activity: " + intent.activity.className 10309 + " origPrio: " + intent.getPriority()); 10310 } 10311 intent.setPriority(0); 10312 return; 10313 } 10314 } 10315 10316 // find matching category subsets 10317 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10318 if (categoriesIterator != null) { 10319 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10320 categoriesIterator); 10321 if (intentListCopy.size() == 0) { 10322 // no more intents to match; we're not equivalent 10323 if (DEBUG_FILTERS) { 10324 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10325 + " package: " + applicationInfo.packageName 10326 + " activity: " + intent.activity.className 10327 + " origPrio: " + intent.getPriority()); 10328 } 10329 intent.setPriority(0); 10330 return; 10331 } 10332 } 10333 10334 // find matching schemes subsets 10335 final Iterator<String> schemesIterator = intent.schemesIterator(); 10336 if (schemesIterator != null) { 10337 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10338 schemesIterator); 10339 if (intentListCopy.size() == 0) { 10340 // no more intents to match; we're not equivalent 10341 if (DEBUG_FILTERS) { 10342 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10343 + " package: " + applicationInfo.packageName 10344 + " activity: " + intent.activity.className 10345 + " origPrio: " + intent.getPriority()); 10346 } 10347 intent.setPriority(0); 10348 return; 10349 } 10350 } 10351 10352 // find matching authorities subsets 10353 final Iterator<IntentFilter.AuthorityEntry> 10354 authoritiesIterator = intent.authoritiesIterator(); 10355 if (authoritiesIterator != null) { 10356 getIntentListSubset(intentListCopy, 10357 new AuthoritiesIterGenerator(), 10358 authoritiesIterator); 10359 if (intentListCopy.size() == 0) { 10360 // no more intents to match; we're not equivalent 10361 if (DEBUG_FILTERS) { 10362 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10363 + " package: " + applicationInfo.packageName 10364 + " activity: " + intent.activity.className 10365 + " origPrio: " + intent.getPriority()); 10366 } 10367 intent.setPriority(0); 10368 return; 10369 } 10370 } 10371 10372 // we found matching filter(s); app gets the max priority of all intents 10373 int cappedPriority = 0; 10374 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10375 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10376 } 10377 if (intent.getPriority() > cappedPriority) { 10378 if (DEBUG_FILTERS) { 10379 Slog.i(TAG, "Found matching filter(s);" 10380 + " cap priority to " + cappedPriority + ";" 10381 + " package: " + applicationInfo.packageName 10382 + " activity: " + intent.activity.className 10383 + " origPrio: " + intent.getPriority()); 10384 } 10385 intent.setPriority(cappedPriority); 10386 return; 10387 } 10388 // all this for nothing; the requested priority was <= what was on the system 10389 } 10390 10391 public final void addActivity(PackageParser.Activity a, String type) { 10392 mActivities.put(a.getComponentName(), a); 10393 if (DEBUG_SHOW_INFO) 10394 Log.v( 10395 TAG, " " + type + " " + 10396 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10397 if (DEBUG_SHOW_INFO) 10398 Log.v(TAG, " Class=" + a.info.name); 10399 final int NI = a.intents.size(); 10400 for (int j=0; j<NI; j++) { 10401 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10402 if ("activity".equals(type)) { 10403 final PackageSetting ps = 10404 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10405 final List<PackageParser.Activity> systemActivities = 10406 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10407 adjustPriority(systemActivities, intent); 10408 } 10409 if (DEBUG_SHOW_INFO) { 10410 Log.v(TAG, " IntentFilter:"); 10411 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10412 } 10413 if (!intent.debugCheck()) { 10414 Log.w(TAG, "==> For Activity " + a.info.name); 10415 } 10416 addFilter(intent); 10417 } 10418 } 10419 10420 public final void removeActivity(PackageParser.Activity a, String type) { 10421 mActivities.remove(a.getComponentName()); 10422 if (DEBUG_SHOW_INFO) { 10423 Log.v(TAG, " " + type + " " 10424 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10425 : a.info.name) + ":"); 10426 Log.v(TAG, " Class=" + a.info.name); 10427 } 10428 final int NI = a.intents.size(); 10429 for (int j=0; j<NI; j++) { 10430 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10431 if (DEBUG_SHOW_INFO) { 10432 Log.v(TAG, " IntentFilter:"); 10433 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10434 } 10435 removeFilter(intent); 10436 } 10437 } 10438 10439 @Override 10440 protected boolean allowFilterResult( 10441 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10442 ActivityInfo filterAi = filter.activity.info; 10443 for (int i=dest.size()-1; i>=0; i--) { 10444 ActivityInfo destAi = dest.get(i).activityInfo; 10445 if (destAi.name == filterAi.name 10446 && destAi.packageName == filterAi.packageName) { 10447 return false; 10448 } 10449 } 10450 return true; 10451 } 10452 10453 @Override 10454 protected ActivityIntentInfo[] newArray(int size) { 10455 return new ActivityIntentInfo[size]; 10456 } 10457 10458 @Override 10459 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10460 if (!sUserManager.exists(userId)) return true; 10461 PackageParser.Package p = filter.activity.owner; 10462 if (p != null) { 10463 PackageSetting ps = (PackageSetting)p.mExtras; 10464 if (ps != null) { 10465 // System apps are never considered stopped for purposes of 10466 // filtering, because there may be no way for the user to 10467 // actually re-launch them. 10468 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10469 && ps.getStopped(userId); 10470 } 10471 } 10472 return false; 10473 } 10474 10475 @Override 10476 protected boolean isPackageForFilter(String packageName, 10477 PackageParser.ActivityIntentInfo info) { 10478 return packageName.equals(info.activity.owner.packageName); 10479 } 10480 10481 @Override 10482 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10483 int match, int userId) { 10484 if (!sUserManager.exists(userId)) return null; 10485 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10486 return null; 10487 } 10488 final PackageParser.Activity activity = info.activity; 10489 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10490 if (ps == null) { 10491 return null; 10492 } 10493 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10494 ps.readUserState(userId), userId); 10495 if (ai == null) { 10496 return null; 10497 } 10498 final ResolveInfo res = new ResolveInfo(); 10499 res.activityInfo = ai; 10500 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10501 res.filter = info; 10502 } 10503 if (info != null) { 10504 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10505 } 10506 res.priority = info.getPriority(); 10507 res.preferredOrder = activity.owner.mPreferredOrder; 10508 //System.out.println("Result: " + res.activityInfo.className + 10509 // " = " + res.priority); 10510 res.match = match; 10511 res.isDefault = info.hasDefault; 10512 res.labelRes = info.labelRes; 10513 res.nonLocalizedLabel = info.nonLocalizedLabel; 10514 if (userNeedsBadging(userId)) { 10515 res.noResourceId = true; 10516 } else { 10517 res.icon = info.icon; 10518 } 10519 res.iconResourceId = info.icon; 10520 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10521 return res; 10522 } 10523 10524 @Override 10525 protected void sortResults(List<ResolveInfo> results) { 10526 Collections.sort(results, mResolvePrioritySorter); 10527 } 10528 10529 @Override 10530 protected void dumpFilter(PrintWriter out, String prefix, 10531 PackageParser.ActivityIntentInfo filter) { 10532 out.print(prefix); out.print( 10533 Integer.toHexString(System.identityHashCode(filter.activity))); 10534 out.print(' '); 10535 filter.activity.printComponentShortName(out); 10536 out.print(" filter "); 10537 out.println(Integer.toHexString(System.identityHashCode(filter))); 10538 } 10539 10540 @Override 10541 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10542 return filter.activity; 10543 } 10544 10545 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10546 PackageParser.Activity activity = (PackageParser.Activity)label; 10547 out.print(prefix); out.print( 10548 Integer.toHexString(System.identityHashCode(activity))); 10549 out.print(' '); 10550 activity.printComponentShortName(out); 10551 if (count > 1) { 10552 out.print(" ("); out.print(count); out.print(" filters)"); 10553 } 10554 out.println(); 10555 } 10556 10557 // Keys are String (activity class name), values are Activity. 10558 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10559 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10560 private int mFlags; 10561 } 10562 10563 private final class ServiceIntentResolver 10564 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10565 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10566 boolean defaultOnly, int userId) { 10567 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10568 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10569 } 10570 10571 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10572 int userId) { 10573 if (!sUserManager.exists(userId)) return null; 10574 mFlags = flags; 10575 return super.queryIntent(intent, resolvedType, 10576 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10577 } 10578 10579 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10580 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10581 if (!sUserManager.exists(userId)) return null; 10582 if (packageServices == null) { 10583 return null; 10584 } 10585 mFlags = flags; 10586 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10587 final int N = packageServices.size(); 10588 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10589 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10590 10591 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10592 for (int i = 0; i < N; ++i) { 10593 intentFilters = packageServices.get(i).intents; 10594 if (intentFilters != null && intentFilters.size() > 0) { 10595 PackageParser.ServiceIntentInfo[] array = 10596 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10597 intentFilters.toArray(array); 10598 listCut.add(array); 10599 } 10600 } 10601 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10602 } 10603 10604 public final void addService(PackageParser.Service s) { 10605 mServices.put(s.getComponentName(), s); 10606 if (DEBUG_SHOW_INFO) { 10607 Log.v(TAG, " " 10608 + (s.info.nonLocalizedLabel != null 10609 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10610 Log.v(TAG, " Class=" + s.info.name); 10611 } 10612 final int NI = s.intents.size(); 10613 int j; 10614 for (j=0; j<NI; j++) { 10615 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10616 if (DEBUG_SHOW_INFO) { 10617 Log.v(TAG, " IntentFilter:"); 10618 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10619 } 10620 if (!intent.debugCheck()) { 10621 Log.w(TAG, "==> For Service " + s.info.name); 10622 } 10623 addFilter(intent); 10624 } 10625 } 10626 10627 public final void removeService(PackageParser.Service s) { 10628 mServices.remove(s.getComponentName()); 10629 if (DEBUG_SHOW_INFO) { 10630 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10631 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10632 Log.v(TAG, " Class=" + s.info.name); 10633 } 10634 final int NI = s.intents.size(); 10635 int j; 10636 for (j=0; j<NI; j++) { 10637 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10638 if (DEBUG_SHOW_INFO) { 10639 Log.v(TAG, " IntentFilter:"); 10640 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10641 } 10642 removeFilter(intent); 10643 } 10644 } 10645 10646 @Override 10647 protected boolean allowFilterResult( 10648 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10649 ServiceInfo filterSi = filter.service.info; 10650 for (int i=dest.size()-1; i>=0; i--) { 10651 ServiceInfo destAi = dest.get(i).serviceInfo; 10652 if (destAi.name == filterSi.name 10653 && destAi.packageName == filterSi.packageName) { 10654 return false; 10655 } 10656 } 10657 return true; 10658 } 10659 10660 @Override 10661 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10662 return new PackageParser.ServiceIntentInfo[size]; 10663 } 10664 10665 @Override 10666 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10667 if (!sUserManager.exists(userId)) return true; 10668 PackageParser.Package p = filter.service.owner; 10669 if (p != null) { 10670 PackageSetting ps = (PackageSetting)p.mExtras; 10671 if (ps != null) { 10672 // System apps are never considered stopped for purposes of 10673 // filtering, because there may be no way for the user to 10674 // actually re-launch them. 10675 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10676 && ps.getStopped(userId); 10677 } 10678 } 10679 return false; 10680 } 10681 10682 @Override 10683 protected boolean isPackageForFilter(String packageName, 10684 PackageParser.ServiceIntentInfo info) { 10685 return packageName.equals(info.service.owner.packageName); 10686 } 10687 10688 @Override 10689 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10690 int match, int userId) { 10691 if (!sUserManager.exists(userId)) return null; 10692 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10693 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10694 return null; 10695 } 10696 final PackageParser.Service service = info.service; 10697 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10698 if (ps == null) { 10699 return null; 10700 } 10701 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10702 ps.readUserState(userId), userId); 10703 if (si == null) { 10704 return null; 10705 } 10706 final ResolveInfo res = new ResolveInfo(); 10707 res.serviceInfo = si; 10708 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10709 res.filter = filter; 10710 } 10711 res.priority = info.getPriority(); 10712 res.preferredOrder = service.owner.mPreferredOrder; 10713 res.match = match; 10714 res.isDefault = info.hasDefault; 10715 res.labelRes = info.labelRes; 10716 res.nonLocalizedLabel = info.nonLocalizedLabel; 10717 res.icon = info.icon; 10718 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10719 return res; 10720 } 10721 10722 @Override 10723 protected void sortResults(List<ResolveInfo> results) { 10724 Collections.sort(results, mResolvePrioritySorter); 10725 } 10726 10727 @Override 10728 protected void dumpFilter(PrintWriter out, String prefix, 10729 PackageParser.ServiceIntentInfo filter) { 10730 out.print(prefix); out.print( 10731 Integer.toHexString(System.identityHashCode(filter.service))); 10732 out.print(' '); 10733 filter.service.printComponentShortName(out); 10734 out.print(" filter "); 10735 out.println(Integer.toHexString(System.identityHashCode(filter))); 10736 } 10737 10738 @Override 10739 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10740 return filter.service; 10741 } 10742 10743 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10744 PackageParser.Service service = (PackageParser.Service)label; 10745 out.print(prefix); out.print( 10746 Integer.toHexString(System.identityHashCode(service))); 10747 out.print(' '); 10748 service.printComponentShortName(out); 10749 if (count > 1) { 10750 out.print(" ("); out.print(count); out.print(" filters)"); 10751 } 10752 out.println(); 10753 } 10754 10755// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10756// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10757// final List<ResolveInfo> retList = Lists.newArrayList(); 10758// while (i.hasNext()) { 10759// final ResolveInfo resolveInfo = (ResolveInfo) i; 10760// if (isEnabledLP(resolveInfo.serviceInfo)) { 10761// retList.add(resolveInfo); 10762// } 10763// } 10764// return retList; 10765// } 10766 10767 // Keys are String (activity class name), values are Activity. 10768 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10769 = new ArrayMap<ComponentName, PackageParser.Service>(); 10770 private int mFlags; 10771 }; 10772 10773 private final class ProviderIntentResolver 10774 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10775 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10776 boolean defaultOnly, int userId) { 10777 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10778 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10779 } 10780 10781 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10782 int userId) { 10783 if (!sUserManager.exists(userId)) 10784 return null; 10785 mFlags = flags; 10786 return super.queryIntent(intent, resolvedType, 10787 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10788 } 10789 10790 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10791 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10792 if (!sUserManager.exists(userId)) 10793 return null; 10794 if (packageProviders == null) { 10795 return null; 10796 } 10797 mFlags = flags; 10798 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10799 final int N = packageProviders.size(); 10800 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10801 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10802 10803 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10804 for (int i = 0; i < N; ++i) { 10805 intentFilters = packageProviders.get(i).intents; 10806 if (intentFilters != null && intentFilters.size() > 0) { 10807 PackageParser.ProviderIntentInfo[] array = 10808 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10809 intentFilters.toArray(array); 10810 listCut.add(array); 10811 } 10812 } 10813 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10814 } 10815 10816 public final void addProvider(PackageParser.Provider p) { 10817 if (mProviders.containsKey(p.getComponentName())) { 10818 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10819 return; 10820 } 10821 10822 mProviders.put(p.getComponentName(), p); 10823 if (DEBUG_SHOW_INFO) { 10824 Log.v(TAG, " " 10825 + (p.info.nonLocalizedLabel != null 10826 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10827 Log.v(TAG, " Class=" + p.info.name); 10828 } 10829 final int NI = p.intents.size(); 10830 int j; 10831 for (j = 0; j < NI; j++) { 10832 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10833 if (DEBUG_SHOW_INFO) { 10834 Log.v(TAG, " IntentFilter:"); 10835 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10836 } 10837 if (!intent.debugCheck()) { 10838 Log.w(TAG, "==> For Provider " + p.info.name); 10839 } 10840 addFilter(intent); 10841 } 10842 } 10843 10844 public final void removeProvider(PackageParser.Provider p) { 10845 mProviders.remove(p.getComponentName()); 10846 if (DEBUG_SHOW_INFO) { 10847 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10848 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10849 Log.v(TAG, " Class=" + p.info.name); 10850 } 10851 final int NI = p.intents.size(); 10852 int j; 10853 for (j = 0; j < NI; j++) { 10854 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10855 if (DEBUG_SHOW_INFO) { 10856 Log.v(TAG, " IntentFilter:"); 10857 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10858 } 10859 removeFilter(intent); 10860 } 10861 } 10862 10863 @Override 10864 protected boolean allowFilterResult( 10865 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10866 ProviderInfo filterPi = filter.provider.info; 10867 for (int i = dest.size() - 1; i >= 0; i--) { 10868 ProviderInfo destPi = dest.get(i).providerInfo; 10869 if (destPi.name == filterPi.name 10870 && destPi.packageName == filterPi.packageName) { 10871 return false; 10872 } 10873 } 10874 return true; 10875 } 10876 10877 @Override 10878 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10879 return new PackageParser.ProviderIntentInfo[size]; 10880 } 10881 10882 @Override 10883 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10884 if (!sUserManager.exists(userId)) 10885 return true; 10886 PackageParser.Package p = filter.provider.owner; 10887 if (p != null) { 10888 PackageSetting ps = (PackageSetting) p.mExtras; 10889 if (ps != null) { 10890 // System apps are never considered stopped for purposes of 10891 // filtering, because there may be no way for the user to 10892 // actually re-launch them. 10893 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10894 && ps.getStopped(userId); 10895 } 10896 } 10897 return false; 10898 } 10899 10900 @Override 10901 protected boolean isPackageForFilter(String packageName, 10902 PackageParser.ProviderIntentInfo info) { 10903 return packageName.equals(info.provider.owner.packageName); 10904 } 10905 10906 @Override 10907 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10908 int match, int userId) { 10909 if (!sUserManager.exists(userId)) 10910 return null; 10911 final PackageParser.ProviderIntentInfo info = filter; 10912 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10913 return null; 10914 } 10915 final PackageParser.Provider provider = info.provider; 10916 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10917 if (ps == null) { 10918 return null; 10919 } 10920 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10921 ps.readUserState(userId), userId); 10922 if (pi == null) { 10923 return null; 10924 } 10925 final ResolveInfo res = new ResolveInfo(); 10926 res.providerInfo = pi; 10927 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10928 res.filter = filter; 10929 } 10930 res.priority = info.getPriority(); 10931 res.preferredOrder = provider.owner.mPreferredOrder; 10932 res.match = match; 10933 res.isDefault = info.hasDefault; 10934 res.labelRes = info.labelRes; 10935 res.nonLocalizedLabel = info.nonLocalizedLabel; 10936 res.icon = info.icon; 10937 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10938 return res; 10939 } 10940 10941 @Override 10942 protected void sortResults(List<ResolveInfo> results) { 10943 Collections.sort(results, mResolvePrioritySorter); 10944 } 10945 10946 @Override 10947 protected void dumpFilter(PrintWriter out, String prefix, 10948 PackageParser.ProviderIntentInfo filter) { 10949 out.print(prefix); 10950 out.print( 10951 Integer.toHexString(System.identityHashCode(filter.provider))); 10952 out.print(' '); 10953 filter.provider.printComponentShortName(out); 10954 out.print(" filter "); 10955 out.println(Integer.toHexString(System.identityHashCode(filter))); 10956 } 10957 10958 @Override 10959 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10960 return filter.provider; 10961 } 10962 10963 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10964 PackageParser.Provider provider = (PackageParser.Provider)label; 10965 out.print(prefix); out.print( 10966 Integer.toHexString(System.identityHashCode(provider))); 10967 out.print(' '); 10968 provider.printComponentShortName(out); 10969 if (count > 1) { 10970 out.print(" ("); out.print(count); out.print(" filters)"); 10971 } 10972 out.println(); 10973 } 10974 10975 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10976 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10977 private int mFlags; 10978 } 10979 10980 private static final class EphemeralIntentResolver 10981 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10982 @Override 10983 protected EphemeralResolveIntentInfo[] newArray(int size) { 10984 return new EphemeralResolveIntentInfo[size]; 10985 } 10986 10987 @Override 10988 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10989 return true; 10990 } 10991 10992 @Override 10993 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10994 int userId) { 10995 if (!sUserManager.exists(userId)) { 10996 return null; 10997 } 10998 return info.getEphemeralResolveInfo(); 10999 } 11000 } 11001 11002 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11003 new Comparator<ResolveInfo>() { 11004 public int compare(ResolveInfo r1, ResolveInfo r2) { 11005 int v1 = r1.priority; 11006 int v2 = r2.priority; 11007 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11008 if (v1 != v2) { 11009 return (v1 > v2) ? -1 : 1; 11010 } 11011 v1 = r1.preferredOrder; 11012 v2 = r2.preferredOrder; 11013 if (v1 != v2) { 11014 return (v1 > v2) ? -1 : 1; 11015 } 11016 if (r1.isDefault != r2.isDefault) { 11017 return r1.isDefault ? -1 : 1; 11018 } 11019 v1 = r1.match; 11020 v2 = r2.match; 11021 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11022 if (v1 != v2) { 11023 return (v1 > v2) ? -1 : 1; 11024 } 11025 if (r1.system != r2.system) { 11026 return r1.system ? -1 : 1; 11027 } 11028 if (r1.activityInfo != null) { 11029 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11030 } 11031 if (r1.serviceInfo != null) { 11032 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11033 } 11034 if (r1.providerInfo != null) { 11035 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11036 } 11037 return 0; 11038 } 11039 }; 11040 11041 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11042 new Comparator<ProviderInfo>() { 11043 public int compare(ProviderInfo p1, ProviderInfo p2) { 11044 final int v1 = p1.initOrder; 11045 final int v2 = p2.initOrder; 11046 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11047 } 11048 }; 11049 11050 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11051 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11052 final int[] userIds) { 11053 mHandler.post(new Runnable() { 11054 @Override 11055 public void run() { 11056 try { 11057 final IActivityManager am = ActivityManagerNative.getDefault(); 11058 if (am == null) return; 11059 final int[] resolvedUserIds; 11060 if (userIds == null) { 11061 resolvedUserIds = am.getRunningUserIds(); 11062 } else { 11063 resolvedUserIds = userIds; 11064 } 11065 for (int id : resolvedUserIds) { 11066 final Intent intent = new Intent(action, 11067 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11068 if (extras != null) { 11069 intent.putExtras(extras); 11070 } 11071 if (targetPkg != null) { 11072 intent.setPackage(targetPkg); 11073 } 11074 // Modify the UID when posting to other users 11075 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11076 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11077 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11078 intent.putExtra(Intent.EXTRA_UID, uid); 11079 } 11080 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11081 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11082 if (DEBUG_BROADCASTS) { 11083 RuntimeException here = new RuntimeException("here"); 11084 here.fillInStackTrace(); 11085 Slog.d(TAG, "Sending to user " + id + ": " 11086 + intent.toShortString(false, true, false, false) 11087 + " " + intent.getExtras(), here); 11088 } 11089 am.broadcastIntent(null, intent, null, finishedReceiver, 11090 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11091 null, finishedReceiver != null, false, id); 11092 } 11093 } catch (RemoteException ex) { 11094 } 11095 } 11096 }); 11097 } 11098 11099 /** 11100 * Check if the external storage media is available. This is true if there 11101 * is a mounted external storage medium or if the external storage is 11102 * emulated. 11103 */ 11104 private boolean isExternalMediaAvailable() { 11105 return mMediaMounted || Environment.isExternalStorageEmulated(); 11106 } 11107 11108 @Override 11109 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11110 // writer 11111 synchronized (mPackages) { 11112 if (!isExternalMediaAvailable()) { 11113 // If the external storage is no longer mounted at this point, 11114 // the caller may not have been able to delete all of this 11115 // packages files and can not delete any more. Bail. 11116 return null; 11117 } 11118 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11119 if (lastPackage != null) { 11120 pkgs.remove(lastPackage); 11121 } 11122 if (pkgs.size() > 0) { 11123 return pkgs.get(0); 11124 } 11125 } 11126 return null; 11127 } 11128 11129 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11130 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11131 userId, andCode ? 1 : 0, packageName); 11132 if (mSystemReady) { 11133 msg.sendToTarget(); 11134 } else { 11135 if (mPostSystemReadyMessages == null) { 11136 mPostSystemReadyMessages = new ArrayList<>(); 11137 } 11138 mPostSystemReadyMessages.add(msg); 11139 } 11140 } 11141 11142 void startCleaningPackages() { 11143 // reader 11144 if (!isExternalMediaAvailable()) { 11145 return; 11146 } 11147 synchronized (mPackages) { 11148 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11149 return; 11150 } 11151 } 11152 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11153 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11154 IActivityManager am = ActivityManagerNative.getDefault(); 11155 if (am != null) { 11156 try { 11157 am.startService(null, intent, null, mContext.getOpPackageName(), 11158 UserHandle.USER_SYSTEM); 11159 } catch (RemoteException e) { 11160 } 11161 } 11162 } 11163 11164 @Override 11165 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11166 int installFlags, String installerPackageName, int userId) { 11167 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11168 11169 final int callingUid = Binder.getCallingUid(); 11170 enforceCrossUserPermission(callingUid, userId, 11171 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11172 11173 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11174 try { 11175 if (observer != null) { 11176 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11177 } 11178 } catch (RemoteException re) { 11179 } 11180 return; 11181 } 11182 11183 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11184 installFlags |= PackageManager.INSTALL_FROM_ADB; 11185 11186 } else { 11187 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11188 // about installerPackageName. 11189 11190 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11191 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11192 } 11193 11194 UserHandle user; 11195 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11196 user = UserHandle.ALL; 11197 } else { 11198 user = new UserHandle(userId); 11199 } 11200 11201 // Only system components can circumvent runtime permissions when installing. 11202 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11203 && mContext.checkCallingOrSelfPermission(Manifest.permission 11204 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11205 throw new SecurityException("You need the " 11206 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11207 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11208 } 11209 11210 final File originFile = new File(originPath); 11211 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11212 11213 final Message msg = mHandler.obtainMessage(INIT_COPY); 11214 final VerificationInfo verificationInfo = new VerificationInfo( 11215 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11216 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11217 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11218 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11219 null /*certificates*/); 11220 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11221 msg.obj = params; 11222 11223 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11224 System.identityHashCode(msg.obj)); 11225 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11226 System.identityHashCode(msg.obj)); 11227 11228 mHandler.sendMessage(msg); 11229 } 11230 11231 void installStage(String packageName, File stagedDir, String stagedCid, 11232 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11233 String installerPackageName, int installerUid, UserHandle user, 11234 Certificate[][] certificates) { 11235 if (DEBUG_EPHEMERAL) { 11236 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11237 Slog.d(TAG, "Ephemeral install of " + packageName); 11238 } 11239 } 11240 final VerificationInfo verificationInfo = new VerificationInfo( 11241 sessionParams.originatingUri, sessionParams.referrerUri, 11242 sessionParams.originatingUid, installerUid); 11243 11244 final OriginInfo origin; 11245 if (stagedDir != null) { 11246 origin = OriginInfo.fromStagedFile(stagedDir); 11247 } else { 11248 origin = OriginInfo.fromStagedContainer(stagedCid); 11249 } 11250 11251 final Message msg = mHandler.obtainMessage(INIT_COPY); 11252 final InstallParams params = new InstallParams(origin, null, observer, 11253 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11254 verificationInfo, user, sessionParams.abiOverride, 11255 sessionParams.grantedRuntimePermissions, certificates); 11256 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11257 msg.obj = params; 11258 11259 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11260 System.identityHashCode(msg.obj)); 11261 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11262 System.identityHashCode(msg.obj)); 11263 11264 mHandler.sendMessage(msg); 11265 } 11266 11267 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11268 int userId) { 11269 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11270 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11271 } 11272 11273 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11274 int appId, int userId) { 11275 Bundle extras = new Bundle(1); 11276 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11277 11278 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11279 packageName, extras, 0, null, null, new int[] {userId}); 11280 try { 11281 IActivityManager am = ActivityManagerNative.getDefault(); 11282 if (isSystem && am.isUserRunning(userId, 0)) { 11283 // The just-installed/enabled app is bundled on the system, so presumed 11284 // to be able to run automatically without needing an explicit launch. 11285 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11286 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11287 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11288 .setPackage(packageName); 11289 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11290 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11291 } 11292 } catch (RemoteException e) { 11293 // shouldn't happen 11294 Slog.w(TAG, "Unable to bootstrap installed package", e); 11295 } 11296 } 11297 11298 @Override 11299 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11300 int userId) { 11301 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11302 PackageSetting pkgSetting; 11303 final int uid = Binder.getCallingUid(); 11304 enforceCrossUserPermission(uid, userId, 11305 true /* requireFullPermission */, true /* checkShell */, 11306 "setApplicationHiddenSetting for user " + userId); 11307 11308 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11309 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11310 return false; 11311 } 11312 11313 long callingId = Binder.clearCallingIdentity(); 11314 try { 11315 boolean sendAdded = false; 11316 boolean sendRemoved = false; 11317 // writer 11318 synchronized (mPackages) { 11319 pkgSetting = mSettings.mPackages.get(packageName); 11320 if (pkgSetting == null) { 11321 return false; 11322 } 11323 if (pkgSetting.getHidden(userId) != hidden) { 11324 pkgSetting.setHidden(hidden, userId); 11325 mSettings.writePackageRestrictionsLPr(userId); 11326 if (hidden) { 11327 sendRemoved = true; 11328 } else { 11329 sendAdded = true; 11330 } 11331 } 11332 } 11333 if (sendAdded) { 11334 sendPackageAddedForUser(packageName, pkgSetting, userId); 11335 return true; 11336 } 11337 if (sendRemoved) { 11338 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11339 "hiding pkg"); 11340 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11341 return true; 11342 } 11343 } finally { 11344 Binder.restoreCallingIdentity(callingId); 11345 } 11346 return false; 11347 } 11348 11349 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11350 int userId) { 11351 final PackageRemovedInfo info = new PackageRemovedInfo(); 11352 info.removedPackage = packageName; 11353 info.removedUsers = new int[] {userId}; 11354 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11355 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11356 } 11357 11358 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11359 if (pkgList.length > 0) { 11360 Bundle extras = new Bundle(1); 11361 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11362 11363 sendPackageBroadcast( 11364 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11365 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11366 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11367 new int[] {userId}); 11368 } 11369 } 11370 11371 /** 11372 * Returns true if application is not found or there was an error. Otherwise it returns 11373 * the hidden state of the package for the given user. 11374 */ 11375 @Override 11376 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11377 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11378 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11379 true /* requireFullPermission */, false /* checkShell */, 11380 "getApplicationHidden for user " + userId); 11381 PackageSetting pkgSetting; 11382 long callingId = Binder.clearCallingIdentity(); 11383 try { 11384 // writer 11385 synchronized (mPackages) { 11386 pkgSetting = mSettings.mPackages.get(packageName); 11387 if (pkgSetting == null) { 11388 return true; 11389 } 11390 return pkgSetting.getHidden(userId); 11391 } 11392 } finally { 11393 Binder.restoreCallingIdentity(callingId); 11394 } 11395 } 11396 11397 /** 11398 * @hide 11399 */ 11400 @Override 11401 public int installExistingPackageAsUser(String packageName, int userId) { 11402 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11403 null); 11404 PackageSetting pkgSetting; 11405 final int uid = Binder.getCallingUid(); 11406 enforceCrossUserPermission(uid, userId, 11407 true /* requireFullPermission */, true /* checkShell */, 11408 "installExistingPackage for user " + userId); 11409 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11410 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11411 } 11412 11413 long callingId = Binder.clearCallingIdentity(); 11414 try { 11415 boolean installed = false; 11416 11417 // writer 11418 synchronized (mPackages) { 11419 pkgSetting = mSettings.mPackages.get(packageName); 11420 if (pkgSetting == null) { 11421 return PackageManager.INSTALL_FAILED_INVALID_URI; 11422 } 11423 if (!pkgSetting.getInstalled(userId)) { 11424 pkgSetting.setInstalled(true, userId); 11425 pkgSetting.setHidden(false, userId); 11426 mSettings.writePackageRestrictionsLPr(userId); 11427 installed = true; 11428 } 11429 } 11430 11431 if (installed) { 11432 if (pkgSetting.pkg != null) { 11433 synchronized (mInstallLock) { 11434 // We don't need to freeze for a brand new install 11435 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11436 } 11437 } 11438 sendPackageAddedForUser(packageName, pkgSetting, userId); 11439 } 11440 } finally { 11441 Binder.restoreCallingIdentity(callingId); 11442 } 11443 11444 return PackageManager.INSTALL_SUCCEEDED; 11445 } 11446 11447 boolean isUserRestricted(int userId, String restrictionKey) { 11448 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11449 if (restrictions.getBoolean(restrictionKey, false)) { 11450 Log.w(TAG, "User is restricted: " + restrictionKey); 11451 return true; 11452 } 11453 return false; 11454 } 11455 11456 @Override 11457 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11458 int userId) { 11459 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11460 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11461 true /* requireFullPermission */, true /* checkShell */, 11462 "setPackagesSuspended for user " + userId); 11463 11464 if (ArrayUtils.isEmpty(packageNames)) { 11465 return packageNames; 11466 } 11467 11468 // List of package names for whom the suspended state has changed. 11469 List<String> changedPackages = new ArrayList<>(packageNames.length); 11470 // List of package names for whom the suspended state is not set as requested in this 11471 // method. 11472 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11473 for (int i = 0; i < packageNames.length; i++) { 11474 String packageName = packageNames[i]; 11475 long callingId = Binder.clearCallingIdentity(); 11476 try { 11477 boolean changed = false; 11478 final int appId; 11479 synchronized (mPackages) { 11480 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11481 if (pkgSetting == null) { 11482 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11483 + "\". Skipping suspending/un-suspending."); 11484 unactionedPackages.add(packageName); 11485 continue; 11486 } 11487 appId = pkgSetting.appId; 11488 if (pkgSetting.getSuspended(userId) != suspended) { 11489 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11490 unactionedPackages.add(packageName); 11491 continue; 11492 } 11493 pkgSetting.setSuspended(suspended, userId); 11494 mSettings.writePackageRestrictionsLPr(userId); 11495 changed = true; 11496 changedPackages.add(packageName); 11497 } 11498 } 11499 11500 if (changed && suspended) { 11501 killApplication(packageName, UserHandle.getUid(userId, appId), 11502 "suspending package"); 11503 } 11504 } finally { 11505 Binder.restoreCallingIdentity(callingId); 11506 } 11507 } 11508 11509 if (!changedPackages.isEmpty()) { 11510 sendPackagesSuspendedForUser(changedPackages.toArray( 11511 new String[changedPackages.size()]), userId, suspended); 11512 } 11513 11514 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11515 } 11516 11517 @Override 11518 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11519 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11520 true /* requireFullPermission */, false /* checkShell */, 11521 "isPackageSuspendedForUser for user " + userId); 11522 synchronized (mPackages) { 11523 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11524 if (pkgSetting == null) { 11525 throw new IllegalArgumentException("Unknown target package: " + packageName); 11526 } 11527 return pkgSetting.getSuspended(userId); 11528 } 11529 } 11530 11531 /** 11532 * TODO: cache and disallow blocking the active dialer. 11533 * 11534 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11535 */ 11536 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11537 if (isPackageDeviceAdmin(packageName, userId)) { 11538 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11539 + "\": has an active device admin"); 11540 return false; 11541 } 11542 11543 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11544 if (packageName.equals(activeLauncherPackageName)) { 11545 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11546 + "\": contains the active launcher"); 11547 return false; 11548 } 11549 11550 if (packageName.equals(mRequiredInstallerPackage)) { 11551 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11552 + "\": required for package installation"); 11553 return false; 11554 } 11555 11556 if (packageName.equals(mRequiredVerifierPackage)) { 11557 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11558 + "\": required for package verification"); 11559 return false; 11560 } 11561 11562 final PackageParser.Package pkg = mPackages.get(packageName); 11563 if (pkg != null && isPrivilegedApp(pkg)) { 11564 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11565 + "\": is a privileged app"); 11566 return false; 11567 } 11568 11569 return true; 11570 } 11571 11572 private String getActiveLauncherPackageName(int userId) { 11573 Intent intent = new Intent(Intent.ACTION_MAIN); 11574 intent.addCategory(Intent.CATEGORY_HOME); 11575 ResolveInfo resolveInfo = resolveIntent( 11576 intent, 11577 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11578 PackageManager.MATCH_DEFAULT_ONLY, 11579 userId); 11580 11581 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11582 } 11583 11584 @Override 11585 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11586 mContext.enforceCallingOrSelfPermission( 11587 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11588 "Only package verification agents can verify applications"); 11589 11590 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11591 final PackageVerificationResponse response = new PackageVerificationResponse( 11592 verificationCode, Binder.getCallingUid()); 11593 msg.arg1 = id; 11594 msg.obj = response; 11595 mHandler.sendMessage(msg); 11596 } 11597 11598 @Override 11599 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11600 long millisecondsToDelay) { 11601 mContext.enforceCallingOrSelfPermission( 11602 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11603 "Only package verification agents can extend verification timeouts"); 11604 11605 final PackageVerificationState state = mPendingVerification.get(id); 11606 final PackageVerificationResponse response = new PackageVerificationResponse( 11607 verificationCodeAtTimeout, Binder.getCallingUid()); 11608 11609 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11610 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11611 } 11612 if (millisecondsToDelay < 0) { 11613 millisecondsToDelay = 0; 11614 } 11615 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11616 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11617 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11618 } 11619 11620 if ((state != null) && !state.timeoutExtended()) { 11621 state.extendTimeout(); 11622 11623 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11624 msg.arg1 = id; 11625 msg.obj = response; 11626 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11627 } 11628 } 11629 11630 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11631 int verificationCode, UserHandle user) { 11632 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11633 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11634 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11635 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11636 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11637 11638 mContext.sendBroadcastAsUser(intent, user, 11639 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11640 } 11641 11642 private ComponentName matchComponentForVerifier(String packageName, 11643 List<ResolveInfo> receivers) { 11644 ActivityInfo targetReceiver = null; 11645 11646 final int NR = receivers.size(); 11647 for (int i = 0; i < NR; i++) { 11648 final ResolveInfo info = receivers.get(i); 11649 if (info.activityInfo == null) { 11650 continue; 11651 } 11652 11653 if (packageName.equals(info.activityInfo.packageName)) { 11654 targetReceiver = info.activityInfo; 11655 break; 11656 } 11657 } 11658 11659 if (targetReceiver == null) { 11660 return null; 11661 } 11662 11663 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11664 } 11665 11666 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11667 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11668 if (pkgInfo.verifiers.length == 0) { 11669 return null; 11670 } 11671 11672 final int N = pkgInfo.verifiers.length; 11673 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11674 for (int i = 0; i < N; i++) { 11675 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11676 11677 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11678 receivers); 11679 if (comp == null) { 11680 continue; 11681 } 11682 11683 final int verifierUid = getUidForVerifier(verifierInfo); 11684 if (verifierUid == -1) { 11685 continue; 11686 } 11687 11688 if (DEBUG_VERIFY) { 11689 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11690 + " with the correct signature"); 11691 } 11692 sufficientVerifiers.add(comp); 11693 verificationState.addSufficientVerifier(verifierUid); 11694 } 11695 11696 return sufficientVerifiers; 11697 } 11698 11699 private int getUidForVerifier(VerifierInfo verifierInfo) { 11700 synchronized (mPackages) { 11701 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11702 if (pkg == null) { 11703 return -1; 11704 } else if (pkg.mSignatures.length != 1) { 11705 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11706 + " has more than one signature; ignoring"); 11707 return -1; 11708 } 11709 11710 /* 11711 * If the public key of the package's signature does not match 11712 * our expected public key, then this is a different package and 11713 * we should skip. 11714 */ 11715 11716 final byte[] expectedPublicKey; 11717 try { 11718 final Signature verifierSig = pkg.mSignatures[0]; 11719 final PublicKey publicKey = verifierSig.getPublicKey(); 11720 expectedPublicKey = publicKey.getEncoded(); 11721 } catch (CertificateException e) { 11722 return -1; 11723 } 11724 11725 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11726 11727 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11728 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11729 + " does not have the expected public key; ignoring"); 11730 return -1; 11731 } 11732 11733 return pkg.applicationInfo.uid; 11734 } 11735 } 11736 11737 @Override 11738 public void finishPackageInstall(int token, boolean didLaunch) { 11739 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11740 11741 if (DEBUG_INSTALL) { 11742 Slog.v(TAG, "BM finishing package install for " + token); 11743 } 11744 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11745 11746 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11747 mHandler.sendMessage(msg); 11748 } 11749 11750 /** 11751 * Get the verification agent timeout. 11752 * 11753 * @return verification timeout in milliseconds 11754 */ 11755 private long getVerificationTimeout() { 11756 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11757 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11758 DEFAULT_VERIFICATION_TIMEOUT); 11759 } 11760 11761 /** 11762 * Get the default verification agent response code. 11763 * 11764 * @return default verification response code 11765 */ 11766 private int getDefaultVerificationResponse() { 11767 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11768 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11769 DEFAULT_VERIFICATION_RESPONSE); 11770 } 11771 11772 /** 11773 * Check whether or not package verification has been enabled. 11774 * 11775 * @return true if verification should be performed 11776 */ 11777 private boolean isVerificationEnabled(int userId, int installFlags) { 11778 if (!DEFAULT_VERIFY_ENABLE) { 11779 return false; 11780 } 11781 // Ephemeral apps don't get the full verification treatment 11782 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11783 if (DEBUG_EPHEMERAL) { 11784 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11785 } 11786 return false; 11787 } 11788 11789 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11790 11791 // Check if installing from ADB 11792 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11793 // Do not run verification in a test harness environment 11794 if (ActivityManager.isRunningInTestHarness()) { 11795 return false; 11796 } 11797 if (ensureVerifyAppsEnabled) { 11798 return true; 11799 } 11800 // Check if the developer does not want package verification for ADB installs 11801 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11802 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11803 return false; 11804 } 11805 } 11806 11807 if (ensureVerifyAppsEnabled) { 11808 return true; 11809 } 11810 11811 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11812 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11813 } 11814 11815 @Override 11816 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11817 throws RemoteException { 11818 mContext.enforceCallingOrSelfPermission( 11819 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11820 "Only intentfilter verification agents can verify applications"); 11821 11822 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11823 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11824 Binder.getCallingUid(), verificationCode, failedDomains); 11825 msg.arg1 = id; 11826 msg.obj = response; 11827 mHandler.sendMessage(msg); 11828 } 11829 11830 @Override 11831 public int getIntentVerificationStatus(String packageName, int userId) { 11832 synchronized (mPackages) { 11833 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11834 } 11835 } 11836 11837 @Override 11838 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11839 mContext.enforceCallingOrSelfPermission( 11840 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11841 11842 boolean result = false; 11843 synchronized (mPackages) { 11844 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11845 } 11846 if (result) { 11847 scheduleWritePackageRestrictionsLocked(userId); 11848 } 11849 return result; 11850 } 11851 11852 @Override 11853 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11854 String packageName) { 11855 synchronized (mPackages) { 11856 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11857 } 11858 } 11859 11860 @Override 11861 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11862 if (TextUtils.isEmpty(packageName)) { 11863 return ParceledListSlice.emptyList(); 11864 } 11865 synchronized (mPackages) { 11866 PackageParser.Package pkg = mPackages.get(packageName); 11867 if (pkg == null || pkg.activities == null) { 11868 return ParceledListSlice.emptyList(); 11869 } 11870 final int count = pkg.activities.size(); 11871 ArrayList<IntentFilter> result = new ArrayList<>(); 11872 for (int n=0; n<count; n++) { 11873 PackageParser.Activity activity = pkg.activities.get(n); 11874 if (activity.intents != null && activity.intents.size() > 0) { 11875 result.addAll(activity.intents); 11876 } 11877 } 11878 return new ParceledListSlice<>(result); 11879 } 11880 } 11881 11882 @Override 11883 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11884 mContext.enforceCallingOrSelfPermission( 11885 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11886 11887 synchronized (mPackages) { 11888 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11889 if (packageName != null) { 11890 result |= updateIntentVerificationStatus(packageName, 11891 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11892 userId); 11893 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11894 packageName, userId); 11895 } 11896 return result; 11897 } 11898 } 11899 11900 @Override 11901 public String getDefaultBrowserPackageName(int userId) { 11902 synchronized (mPackages) { 11903 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11904 } 11905 } 11906 11907 /** 11908 * Get the "allow unknown sources" setting. 11909 * 11910 * @return the current "allow unknown sources" setting 11911 */ 11912 private int getUnknownSourcesSettings() { 11913 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11914 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11915 -1); 11916 } 11917 11918 @Override 11919 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11920 final int uid = Binder.getCallingUid(); 11921 // writer 11922 synchronized (mPackages) { 11923 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11924 if (targetPackageSetting == null) { 11925 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11926 } 11927 11928 PackageSetting installerPackageSetting; 11929 if (installerPackageName != null) { 11930 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11931 if (installerPackageSetting == null) { 11932 throw new IllegalArgumentException("Unknown installer package: " 11933 + installerPackageName); 11934 } 11935 } else { 11936 installerPackageSetting = null; 11937 } 11938 11939 Signature[] callerSignature; 11940 Object obj = mSettings.getUserIdLPr(uid); 11941 if (obj != null) { 11942 if (obj instanceof SharedUserSetting) { 11943 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11944 } else if (obj instanceof PackageSetting) { 11945 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11946 } else { 11947 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11948 } 11949 } else { 11950 throw new SecurityException("Unknown calling UID: " + uid); 11951 } 11952 11953 // Verify: can't set installerPackageName to a package that is 11954 // not signed with the same cert as the caller. 11955 if (installerPackageSetting != null) { 11956 if (compareSignatures(callerSignature, 11957 installerPackageSetting.signatures.mSignatures) 11958 != PackageManager.SIGNATURE_MATCH) { 11959 throw new SecurityException( 11960 "Caller does not have same cert as new installer package " 11961 + installerPackageName); 11962 } 11963 } 11964 11965 // Verify: if target already has an installer package, it must 11966 // be signed with the same cert as the caller. 11967 if (targetPackageSetting.installerPackageName != null) { 11968 PackageSetting setting = mSettings.mPackages.get( 11969 targetPackageSetting.installerPackageName); 11970 // If the currently set package isn't valid, then it's always 11971 // okay to change it. 11972 if (setting != null) { 11973 if (compareSignatures(callerSignature, 11974 setting.signatures.mSignatures) 11975 != PackageManager.SIGNATURE_MATCH) { 11976 throw new SecurityException( 11977 "Caller does not have same cert as old installer package " 11978 + targetPackageSetting.installerPackageName); 11979 } 11980 } 11981 } 11982 11983 // Okay! 11984 targetPackageSetting.installerPackageName = installerPackageName; 11985 if (installerPackageName != null) { 11986 mSettings.mInstallerPackages.add(installerPackageName); 11987 } 11988 scheduleWriteSettingsLocked(); 11989 } 11990 } 11991 11992 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11993 // Queue up an async operation since the package installation may take a little while. 11994 mHandler.post(new Runnable() { 11995 public void run() { 11996 mHandler.removeCallbacks(this); 11997 // Result object to be returned 11998 PackageInstalledInfo res = new PackageInstalledInfo(); 11999 res.setReturnCode(currentStatus); 12000 res.uid = -1; 12001 res.pkg = null; 12002 res.removedInfo = null; 12003 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12004 args.doPreInstall(res.returnCode); 12005 synchronized (mInstallLock) { 12006 installPackageTracedLI(args, res); 12007 } 12008 args.doPostInstall(res.returnCode, res.uid); 12009 } 12010 12011 // A restore should be performed at this point if (a) the install 12012 // succeeded, (b) the operation is not an update, and (c) the new 12013 // package has not opted out of backup participation. 12014 final boolean update = res.removedInfo != null 12015 && res.removedInfo.removedPackage != null; 12016 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12017 boolean doRestore = !update 12018 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12019 12020 // Set up the post-install work request bookkeeping. This will be used 12021 // and cleaned up by the post-install event handling regardless of whether 12022 // there's a restore pass performed. Token values are >= 1. 12023 int token; 12024 if (mNextInstallToken < 0) mNextInstallToken = 1; 12025 token = mNextInstallToken++; 12026 12027 PostInstallData data = new PostInstallData(args, res); 12028 mRunningInstalls.put(token, data); 12029 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12030 12031 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12032 // Pass responsibility to the Backup Manager. It will perform a 12033 // restore if appropriate, then pass responsibility back to the 12034 // Package Manager to run the post-install observer callbacks 12035 // and broadcasts. 12036 IBackupManager bm = IBackupManager.Stub.asInterface( 12037 ServiceManager.getService(Context.BACKUP_SERVICE)); 12038 if (bm != null) { 12039 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12040 + " to BM for possible restore"); 12041 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12042 try { 12043 // TODO: http://b/22388012 12044 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12045 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12046 } else { 12047 doRestore = false; 12048 } 12049 } catch (RemoteException e) { 12050 // can't happen; the backup manager is local 12051 } catch (Exception e) { 12052 Slog.e(TAG, "Exception trying to enqueue restore", e); 12053 doRestore = false; 12054 } 12055 } else { 12056 Slog.e(TAG, "Backup Manager not found!"); 12057 doRestore = false; 12058 } 12059 } 12060 12061 if (!doRestore) { 12062 // No restore possible, or the Backup Manager was mysteriously not 12063 // available -- just fire the post-install work request directly. 12064 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12065 12066 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12067 12068 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12069 mHandler.sendMessage(msg); 12070 } 12071 } 12072 }); 12073 } 12074 12075 /** 12076 * Callback from PackageSettings whenever an app is first transitioned out of the 12077 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12078 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12079 * here whether the app is the target of an ongoing install, and only send the 12080 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12081 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12082 * handling. 12083 */ 12084 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12085 // Serialize this with the rest of the install-process message chain. In the 12086 // restore-at-install case, this Runnable will necessarily run before the 12087 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12088 // are coherent. In the non-restore case, the app has already completed install 12089 // and been launched through some other means, so it is not in a problematic 12090 // state for observers to see the FIRST_LAUNCH signal. 12091 mHandler.post(new Runnable() { 12092 @Override 12093 public void run() { 12094 for (int i = 0; i < mRunningInstalls.size(); i++) { 12095 final PostInstallData data = mRunningInstalls.valueAt(i); 12096 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12097 // right package; but is it for the right user? 12098 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12099 if (userId == data.res.newUsers[uIndex]) { 12100 if (DEBUG_BACKUP) { 12101 Slog.i(TAG, "Package " + pkgName 12102 + " being restored so deferring FIRST_LAUNCH"); 12103 } 12104 return; 12105 } 12106 } 12107 } 12108 } 12109 // didn't find it, so not being restored 12110 if (DEBUG_BACKUP) { 12111 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12112 } 12113 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12114 } 12115 }); 12116 } 12117 12118 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12119 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12120 installerPkg, null, userIds); 12121 } 12122 12123 private abstract class HandlerParams { 12124 private static final int MAX_RETRIES = 4; 12125 12126 /** 12127 * Number of times startCopy() has been attempted and had a non-fatal 12128 * error. 12129 */ 12130 private int mRetries = 0; 12131 12132 /** User handle for the user requesting the information or installation. */ 12133 private final UserHandle mUser; 12134 String traceMethod; 12135 int traceCookie; 12136 12137 HandlerParams(UserHandle user) { 12138 mUser = user; 12139 } 12140 12141 UserHandle getUser() { 12142 return mUser; 12143 } 12144 12145 HandlerParams setTraceMethod(String traceMethod) { 12146 this.traceMethod = traceMethod; 12147 return this; 12148 } 12149 12150 HandlerParams setTraceCookie(int traceCookie) { 12151 this.traceCookie = traceCookie; 12152 return this; 12153 } 12154 12155 final boolean startCopy() { 12156 boolean res; 12157 try { 12158 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12159 12160 if (++mRetries > MAX_RETRIES) { 12161 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12162 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12163 handleServiceError(); 12164 return false; 12165 } else { 12166 handleStartCopy(); 12167 res = true; 12168 } 12169 } catch (RemoteException e) { 12170 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12171 mHandler.sendEmptyMessage(MCS_RECONNECT); 12172 res = false; 12173 } 12174 handleReturnCode(); 12175 return res; 12176 } 12177 12178 final void serviceError() { 12179 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12180 handleServiceError(); 12181 handleReturnCode(); 12182 } 12183 12184 abstract void handleStartCopy() throws RemoteException; 12185 abstract void handleServiceError(); 12186 abstract void handleReturnCode(); 12187 } 12188 12189 class MeasureParams extends HandlerParams { 12190 private final PackageStats mStats; 12191 private boolean mSuccess; 12192 12193 private final IPackageStatsObserver mObserver; 12194 12195 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12196 super(new UserHandle(stats.userHandle)); 12197 mObserver = observer; 12198 mStats = stats; 12199 } 12200 12201 @Override 12202 public String toString() { 12203 return "MeasureParams{" 12204 + Integer.toHexString(System.identityHashCode(this)) 12205 + " " + mStats.packageName + "}"; 12206 } 12207 12208 @Override 12209 void handleStartCopy() throws RemoteException { 12210 synchronized (mInstallLock) { 12211 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12212 } 12213 12214 if (mSuccess) { 12215 final boolean mounted; 12216 if (Environment.isExternalStorageEmulated()) { 12217 mounted = true; 12218 } else { 12219 final String status = Environment.getExternalStorageState(); 12220 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12221 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12222 } 12223 12224 if (mounted) { 12225 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12226 12227 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12228 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12229 12230 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12231 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12232 12233 // Always subtract cache size, since it's a subdirectory 12234 mStats.externalDataSize -= mStats.externalCacheSize; 12235 12236 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12237 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12238 12239 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12240 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12241 } 12242 } 12243 } 12244 12245 @Override 12246 void handleReturnCode() { 12247 if (mObserver != null) { 12248 try { 12249 mObserver.onGetStatsCompleted(mStats, mSuccess); 12250 } catch (RemoteException e) { 12251 Slog.i(TAG, "Observer no longer exists."); 12252 } 12253 } 12254 } 12255 12256 @Override 12257 void handleServiceError() { 12258 Slog.e(TAG, "Could not measure application " + mStats.packageName 12259 + " external storage"); 12260 } 12261 } 12262 12263 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12264 throws RemoteException { 12265 long result = 0; 12266 for (File path : paths) { 12267 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12268 } 12269 return result; 12270 } 12271 12272 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12273 for (File path : paths) { 12274 try { 12275 mcs.clearDirectory(path.getAbsolutePath()); 12276 } catch (RemoteException e) { 12277 } 12278 } 12279 } 12280 12281 static class OriginInfo { 12282 /** 12283 * Location where install is coming from, before it has been 12284 * copied/renamed into place. This could be a single monolithic APK 12285 * file, or a cluster directory. This location may be untrusted. 12286 */ 12287 final File file; 12288 final String cid; 12289 12290 /** 12291 * Flag indicating that {@link #file} or {@link #cid} has already been 12292 * staged, meaning downstream users don't need to defensively copy the 12293 * contents. 12294 */ 12295 final boolean staged; 12296 12297 /** 12298 * Flag indicating that {@link #file} or {@link #cid} is an already 12299 * installed app that is being moved. 12300 */ 12301 final boolean existing; 12302 12303 final String resolvedPath; 12304 final File resolvedFile; 12305 12306 static OriginInfo fromNothing() { 12307 return new OriginInfo(null, null, false, false); 12308 } 12309 12310 static OriginInfo fromUntrustedFile(File file) { 12311 return new OriginInfo(file, null, false, false); 12312 } 12313 12314 static OriginInfo fromExistingFile(File file) { 12315 return new OriginInfo(file, null, false, true); 12316 } 12317 12318 static OriginInfo fromStagedFile(File file) { 12319 return new OriginInfo(file, null, true, false); 12320 } 12321 12322 static OriginInfo fromStagedContainer(String cid) { 12323 return new OriginInfo(null, cid, true, false); 12324 } 12325 12326 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12327 this.file = file; 12328 this.cid = cid; 12329 this.staged = staged; 12330 this.existing = existing; 12331 12332 if (cid != null) { 12333 resolvedPath = PackageHelper.getSdDir(cid); 12334 resolvedFile = new File(resolvedPath); 12335 } else if (file != null) { 12336 resolvedPath = file.getAbsolutePath(); 12337 resolvedFile = file; 12338 } else { 12339 resolvedPath = null; 12340 resolvedFile = null; 12341 } 12342 } 12343 } 12344 12345 static class MoveInfo { 12346 final int moveId; 12347 final String fromUuid; 12348 final String toUuid; 12349 final String packageName; 12350 final String dataAppName; 12351 final int appId; 12352 final String seinfo; 12353 final int targetSdkVersion; 12354 12355 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12356 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12357 this.moveId = moveId; 12358 this.fromUuid = fromUuid; 12359 this.toUuid = toUuid; 12360 this.packageName = packageName; 12361 this.dataAppName = dataAppName; 12362 this.appId = appId; 12363 this.seinfo = seinfo; 12364 this.targetSdkVersion = targetSdkVersion; 12365 } 12366 } 12367 12368 static class VerificationInfo { 12369 /** A constant used to indicate that a uid value is not present. */ 12370 public static final int NO_UID = -1; 12371 12372 /** URI referencing where the package was downloaded from. */ 12373 final Uri originatingUri; 12374 12375 /** HTTP referrer URI associated with the originatingURI. */ 12376 final Uri referrer; 12377 12378 /** UID of the application that the install request originated from. */ 12379 final int originatingUid; 12380 12381 /** UID of application requesting the install */ 12382 final int installerUid; 12383 12384 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12385 this.originatingUri = originatingUri; 12386 this.referrer = referrer; 12387 this.originatingUid = originatingUid; 12388 this.installerUid = installerUid; 12389 } 12390 } 12391 12392 class InstallParams extends HandlerParams { 12393 final OriginInfo origin; 12394 final MoveInfo move; 12395 final IPackageInstallObserver2 observer; 12396 int installFlags; 12397 final String installerPackageName; 12398 final String volumeUuid; 12399 private InstallArgs mArgs; 12400 private int mRet; 12401 final String packageAbiOverride; 12402 final String[] grantedRuntimePermissions; 12403 final VerificationInfo verificationInfo; 12404 final Certificate[][] certificates; 12405 12406 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12407 int installFlags, String installerPackageName, String volumeUuid, 12408 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12409 String[] grantedPermissions, Certificate[][] certificates) { 12410 super(user); 12411 this.origin = origin; 12412 this.move = move; 12413 this.observer = observer; 12414 this.installFlags = installFlags; 12415 this.installerPackageName = installerPackageName; 12416 this.volumeUuid = volumeUuid; 12417 this.verificationInfo = verificationInfo; 12418 this.packageAbiOverride = packageAbiOverride; 12419 this.grantedRuntimePermissions = grantedPermissions; 12420 this.certificates = certificates; 12421 } 12422 12423 @Override 12424 public String toString() { 12425 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12426 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12427 } 12428 12429 private int installLocationPolicy(PackageInfoLite pkgLite) { 12430 String packageName = pkgLite.packageName; 12431 int installLocation = pkgLite.installLocation; 12432 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12433 // reader 12434 synchronized (mPackages) { 12435 // Currently installed package which the new package is attempting to replace or 12436 // null if no such package is installed. 12437 PackageParser.Package installedPkg = mPackages.get(packageName); 12438 // Package which currently owns the data which the new package will own if installed. 12439 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12440 // will be null whereas dataOwnerPkg will contain information about the package 12441 // which was uninstalled while keeping its data. 12442 PackageParser.Package dataOwnerPkg = installedPkg; 12443 if (dataOwnerPkg == null) { 12444 PackageSetting ps = mSettings.mPackages.get(packageName); 12445 if (ps != null) { 12446 dataOwnerPkg = ps.pkg; 12447 } 12448 } 12449 12450 if (dataOwnerPkg != null) { 12451 // If installed, the package will get access to data left on the device by its 12452 // predecessor. As a security measure, this is permited only if this is not a 12453 // version downgrade or if the predecessor package is marked as debuggable and 12454 // a downgrade is explicitly requested. 12455 // 12456 // On debuggable platform builds, downgrades are permitted even for 12457 // non-debuggable packages to make testing easier. Debuggable platform builds do 12458 // not offer security guarantees and thus it's OK to disable some security 12459 // mechanisms to make debugging/testing easier on those builds. However, even on 12460 // debuggable builds downgrades of packages are permitted only if requested via 12461 // installFlags. This is because we aim to keep the behavior of debuggable 12462 // platform builds as close as possible to the behavior of non-debuggable 12463 // platform builds. 12464 final boolean downgradeRequested = 12465 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12466 final boolean packageDebuggable = 12467 (dataOwnerPkg.applicationInfo.flags 12468 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12469 final boolean downgradePermitted = 12470 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12471 if (!downgradePermitted) { 12472 try { 12473 checkDowngrade(dataOwnerPkg, pkgLite); 12474 } catch (PackageManagerException e) { 12475 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12476 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12477 } 12478 } 12479 } 12480 12481 if (installedPkg != null) { 12482 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12483 // Check for updated system application. 12484 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12485 if (onSd) { 12486 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12487 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12488 } 12489 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12490 } else { 12491 if (onSd) { 12492 // Install flag overrides everything. 12493 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12494 } 12495 // If current upgrade specifies particular preference 12496 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12497 // Application explicitly specified internal. 12498 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12499 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12500 // App explictly prefers external. Let policy decide 12501 } else { 12502 // Prefer previous location 12503 if (isExternal(installedPkg)) { 12504 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12505 } 12506 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12507 } 12508 } 12509 } else { 12510 // Invalid install. Return error code 12511 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12512 } 12513 } 12514 } 12515 // All the special cases have been taken care of. 12516 // Return result based on recommended install location. 12517 if (onSd) { 12518 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12519 } 12520 return pkgLite.recommendedInstallLocation; 12521 } 12522 12523 /* 12524 * Invoke remote method to get package information and install 12525 * location values. Override install location based on default 12526 * policy if needed and then create install arguments based 12527 * on the install location. 12528 */ 12529 public void handleStartCopy() throws RemoteException { 12530 int ret = PackageManager.INSTALL_SUCCEEDED; 12531 12532 // If we're already staged, we've firmly committed to an install location 12533 if (origin.staged) { 12534 if (origin.file != null) { 12535 installFlags |= PackageManager.INSTALL_INTERNAL; 12536 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12537 } else if (origin.cid != null) { 12538 installFlags |= PackageManager.INSTALL_EXTERNAL; 12539 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12540 } else { 12541 throw new IllegalStateException("Invalid stage location"); 12542 } 12543 } 12544 12545 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12546 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12547 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12548 PackageInfoLite pkgLite = null; 12549 12550 if (onInt && onSd) { 12551 // Check if both bits are set. 12552 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12553 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12554 } else if (onSd && ephemeral) { 12555 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12556 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12557 } else { 12558 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12559 packageAbiOverride); 12560 12561 if (DEBUG_EPHEMERAL && ephemeral) { 12562 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12563 } 12564 12565 /* 12566 * If we have too little free space, try to free cache 12567 * before giving up. 12568 */ 12569 if (!origin.staged && pkgLite.recommendedInstallLocation 12570 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12571 // TODO: focus freeing disk space on the target device 12572 final StorageManager storage = StorageManager.from(mContext); 12573 final long lowThreshold = storage.getStorageLowBytes( 12574 Environment.getDataDirectory()); 12575 12576 final long sizeBytes = mContainerService.calculateInstalledSize( 12577 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12578 12579 try { 12580 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12581 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12582 installFlags, packageAbiOverride); 12583 } catch (InstallerException e) { 12584 Slog.w(TAG, "Failed to free cache", e); 12585 } 12586 12587 /* 12588 * The cache free must have deleted the file we 12589 * downloaded to install. 12590 * 12591 * TODO: fix the "freeCache" call to not delete 12592 * the file we care about. 12593 */ 12594 if (pkgLite.recommendedInstallLocation 12595 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12596 pkgLite.recommendedInstallLocation 12597 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12598 } 12599 } 12600 } 12601 12602 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12603 int loc = pkgLite.recommendedInstallLocation; 12604 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12605 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12606 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12607 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12608 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12609 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12610 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12611 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12612 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12613 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12614 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12615 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12616 } else { 12617 // Override with defaults if needed. 12618 loc = installLocationPolicy(pkgLite); 12619 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12620 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12621 } else if (!onSd && !onInt) { 12622 // Override install location with flags 12623 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12624 // Set the flag to install on external media. 12625 installFlags |= PackageManager.INSTALL_EXTERNAL; 12626 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12627 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12628 if (DEBUG_EPHEMERAL) { 12629 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12630 } 12631 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12632 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12633 |PackageManager.INSTALL_INTERNAL); 12634 } else { 12635 // Make sure the flag for installing on external 12636 // media is unset 12637 installFlags |= PackageManager.INSTALL_INTERNAL; 12638 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12639 } 12640 } 12641 } 12642 } 12643 12644 final InstallArgs args = createInstallArgs(this); 12645 mArgs = args; 12646 12647 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12648 // TODO: http://b/22976637 12649 // Apps installed for "all" users use the device owner to verify the app 12650 UserHandle verifierUser = getUser(); 12651 if (verifierUser == UserHandle.ALL) { 12652 verifierUser = UserHandle.SYSTEM; 12653 } 12654 12655 /* 12656 * Determine if we have any installed package verifiers. If we 12657 * do, then we'll defer to them to verify the packages. 12658 */ 12659 final int requiredUid = mRequiredVerifierPackage == null ? -1 12660 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12661 verifierUser.getIdentifier()); 12662 if (!origin.existing && requiredUid != -1 12663 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12664 final Intent verification = new Intent( 12665 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12666 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12667 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12668 PACKAGE_MIME_TYPE); 12669 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12670 12671 // Query all live verifiers based on current user state 12672 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12673 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12674 12675 if (DEBUG_VERIFY) { 12676 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12677 + verification.toString() + " with " + pkgLite.verifiers.length 12678 + " optional verifiers"); 12679 } 12680 12681 final int verificationId = mPendingVerificationToken++; 12682 12683 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12684 12685 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12686 installerPackageName); 12687 12688 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12689 installFlags); 12690 12691 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12692 pkgLite.packageName); 12693 12694 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12695 pkgLite.versionCode); 12696 12697 if (verificationInfo != null) { 12698 if (verificationInfo.originatingUri != null) { 12699 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12700 verificationInfo.originatingUri); 12701 } 12702 if (verificationInfo.referrer != null) { 12703 verification.putExtra(Intent.EXTRA_REFERRER, 12704 verificationInfo.referrer); 12705 } 12706 if (verificationInfo.originatingUid >= 0) { 12707 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12708 verificationInfo.originatingUid); 12709 } 12710 if (verificationInfo.installerUid >= 0) { 12711 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12712 verificationInfo.installerUid); 12713 } 12714 } 12715 12716 final PackageVerificationState verificationState = new PackageVerificationState( 12717 requiredUid, args); 12718 12719 mPendingVerification.append(verificationId, verificationState); 12720 12721 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12722 receivers, verificationState); 12723 12724 /* 12725 * If any sufficient verifiers were listed in the package 12726 * manifest, attempt to ask them. 12727 */ 12728 if (sufficientVerifiers != null) { 12729 final int N = sufficientVerifiers.size(); 12730 if (N == 0) { 12731 Slog.i(TAG, "Additional verifiers required, but none installed."); 12732 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12733 } else { 12734 for (int i = 0; i < N; i++) { 12735 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12736 12737 final Intent sufficientIntent = new Intent(verification); 12738 sufficientIntent.setComponent(verifierComponent); 12739 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12740 } 12741 } 12742 } 12743 12744 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12745 mRequiredVerifierPackage, receivers); 12746 if (ret == PackageManager.INSTALL_SUCCEEDED 12747 && mRequiredVerifierPackage != null) { 12748 Trace.asyncTraceBegin( 12749 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12750 /* 12751 * Send the intent to the required verification agent, 12752 * but only start the verification timeout after the 12753 * target BroadcastReceivers have run. 12754 */ 12755 verification.setComponent(requiredVerifierComponent); 12756 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12757 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12758 new BroadcastReceiver() { 12759 @Override 12760 public void onReceive(Context context, Intent intent) { 12761 final Message msg = mHandler 12762 .obtainMessage(CHECK_PENDING_VERIFICATION); 12763 msg.arg1 = verificationId; 12764 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12765 } 12766 }, null, 0, null, null); 12767 12768 /* 12769 * We don't want the copy to proceed until verification 12770 * succeeds, so null out this field. 12771 */ 12772 mArgs = null; 12773 } 12774 } else { 12775 /* 12776 * No package verification is enabled, so immediately start 12777 * the remote call to initiate copy using temporary file. 12778 */ 12779 ret = args.copyApk(mContainerService, true); 12780 } 12781 } 12782 12783 mRet = ret; 12784 } 12785 12786 @Override 12787 void handleReturnCode() { 12788 // If mArgs is null, then MCS couldn't be reached. When it 12789 // reconnects, it will try again to install. At that point, this 12790 // will succeed. 12791 if (mArgs != null) { 12792 processPendingInstall(mArgs, mRet); 12793 } 12794 } 12795 12796 @Override 12797 void handleServiceError() { 12798 mArgs = createInstallArgs(this); 12799 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12800 } 12801 12802 public boolean isForwardLocked() { 12803 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12804 } 12805 } 12806 12807 /** 12808 * Used during creation of InstallArgs 12809 * 12810 * @param installFlags package installation flags 12811 * @return true if should be installed on external storage 12812 */ 12813 private static boolean installOnExternalAsec(int installFlags) { 12814 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12815 return false; 12816 } 12817 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12818 return true; 12819 } 12820 return false; 12821 } 12822 12823 /** 12824 * Used during creation of InstallArgs 12825 * 12826 * @param installFlags package installation flags 12827 * @return true if should be installed as forward locked 12828 */ 12829 private static boolean installForwardLocked(int installFlags) { 12830 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12831 } 12832 12833 private InstallArgs createInstallArgs(InstallParams params) { 12834 if (params.move != null) { 12835 return new MoveInstallArgs(params); 12836 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12837 return new AsecInstallArgs(params); 12838 } else { 12839 return new FileInstallArgs(params); 12840 } 12841 } 12842 12843 /** 12844 * Create args that describe an existing installed package. Typically used 12845 * when cleaning up old installs, or used as a move source. 12846 */ 12847 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12848 String resourcePath, String[] instructionSets) { 12849 final boolean isInAsec; 12850 if (installOnExternalAsec(installFlags)) { 12851 /* Apps on SD card are always in ASEC containers. */ 12852 isInAsec = true; 12853 } else if (installForwardLocked(installFlags) 12854 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12855 /* 12856 * Forward-locked apps are only in ASEC containers if they're the 12857 * new style 12858 */ 12859 isInAsec = true; 12860 } else { 12861 isInAsec = false; 12862 } 12863 12864 if (isInAsec) { 12865 return new AsecInstallArgs(codePath, instructionSets, 12866 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12867 } else { 12868 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12869 } 12870 } 12871 12872 static abstract class InstallArgs { 12873 /** @see InstallParams#origin */ 12874 final OriginInfo origin; 12875 /** @see InstallParams#move */ 12876 final MoveInfo move; 12877 12878 final IPackageInstallObserver2 observer; 12879 // Always refers to PackageManager flags only 12880 final int installFlags; 12881 final String installerPackageName; 12882 final String volumeUuid; 12883 final UserHandle user; 12884 final String abiOverride; 12885 final String[] installGrantPermissions; 12886 /** If non-null, drop an async trace when the install completes */ 12887 final String traceMethod; 12888 final int traceCookie; 12889 final Certificate[][] certificates; 12890 12891 // The list of instruction sets supported by this app. This is currently 12892 // only used during the rmdex() phase to clean up resources. We can get rid of this 12893 // if we move dex files under the common app path. 12894 /* nullable */ String[] instructionSets; 12895 12896 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12897 int installFlags, String installerPackageName, String volumeUuid, 12898 UserHandle user, String[] instructionSets, 12899 String abiOverride, String[] installGrantPermissions, 12900 String traceMethod, int traceCookie, Certificate[][] certificates) { 12901 this.origin = origin; 12902 this.move = move; 12903 this.installFlags = installFlags; 12904 this.observer = observer; 12905 this.installerPackageName = installerPackageName; 12906 this.volumeUuid = volumeUuid; 12907 this.user = user; 12908 this.instructionSets = instructionSets; 12909 this.abiOverride = abiOverride; 12910 this.installGrantPermissions = installGrantPermissions; 12911 this.traceMethod = traceMethod; 12912 this.traceCookie = traceCookie; 12913 this.certificates = certificates; 12914 } 12915 12916 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12917 abstract int doPreInstall(int status); 12918 12919 /** 12920 * Rename package into final resting place. All paths on the given 12921 * scanned package should be updated to reflect the rename. 12922 */ 12923 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12924 abstract int doPostInstall(int status, int uid); 12925 12926 /** @see PackageSettingBase#codePathString */ 12927 abstract String getCodePath(); 12928 /** @see PackageSettingBase#resourcePathString */ 12929 abstract String getResourcePath(); 12930 12931 // Need installer lock especially for dex file removal. 12932 abstract void cleanUpResourcesLI(); 12933 abstract boolean doPostDeleteLI(boolean delete); 12934 12935 /** 12936 * Called before the source arguments are copied. This is used mostly 12937 * for MoveParams when it needs to read the source file to put it in the 12938 * destination. 12939 */ 12940 int doPreCopy() { 12941 return PackageManager.INSTALL_SUCCEEDED; 12942 } 12943 12944 /** 12945 * Called after the source arguments are copied. This is used mostly for 12946 * MoveParams when it needs to read the source file to put it in the 12947 * destination. 12948 */ 12949 int doPostCopy(int uid) { 12950 return PackageManager.INSTALL_SUCCEEDED; 12951 } 12952 12953 protected boolean isFwdLocked() { 12954 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12955 } 12956 12957 protected boolean isExternalAsec() { 12958 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12959 } 12960 12961 protected boolean isEphemeral() { 12962 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12963 } 12964 12965 UserHandle getUser() { 12966 return user; 12967 } 12968 } 12969 12970 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12971 if (!allCodePaths.isEmpty()) { 12972 if (instructionSets == null) { 12973 throw new IllegalStateException("instructionSet == null"); 12974 } 12975 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12976 for (String codePath : allCodePaths) { 12977 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12978 try { 12979 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12980 } catch (InstallerException ignored) { 12981 } 12982 } 12983 } 12984 } 12985 } 12986 12987 /** 12988 * Logic to handle installation of non-ASEC applications, including copying 12989 * and renaming logic. 12990 */ 12991 class FileInstallArgs extends InstallArgs { 12992 private File codeFile; 12993 private File resourceFile; 12994 12995 // Example topology: 12996 // /data/app/com.example/base.apk 12997 // /data/app/com.example/split_foo.apk 12998 // /data/app/com.example/lib/arm/libfoo.so 12999 // /data/app/com.example/lib/arm64/libfoo.so 13000 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13001 13002 /** New install */ 13003 FileInstallArgs(InstallParams params) { 13004 super(params.origin, params.move, params.observer, params.installFlags, 13005 params.installerPackageName, params.volumeUuid, 13006 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13007 params.grantedRuntimePermissions, 13008 params.traceMethod, params.traceCookie, params.certificates); 13009 if (isFwdLocked()) { 13010 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13011 } 13012 } 13013 13014 /** Existing install */ 13015 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13016 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13017 null, null, null, 0, null /*certificates*/); 13018 this.codeFile = (codePath != null) ? new File(codePath) : null; 13019 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13020 } 13021 13022 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13023 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13024 try { 13025 return doCopyApk(imcs, temp); 13026 } finally { 13027 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13028 } 13029 } 13030 13031 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13032 if (origin.staged) { 13033 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13034 codeFile = origin.file; 13035 resourceFile = origin.file; 13036 return PackageManager.INSTALL_SUCCEEDED; 13037 } 13038 13039 try { 13040 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13041 final File tempDir = 13042 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13043 codeFile = tempDir; 13044 resourceFile = tempDir; 13045 } catch (IOException e) { 13046 Slog.w(TAG, "Failed to create copy file: " + e); 13047 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13048 } 13049 13050 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13051 @Override 13052 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13053 if (!FileUtils.isValidExtFilename(name)) { 13054 throw new IllegalArgumentException("Invalid filename: " + name); 13055 } 13056 try { 13057 final File file = new File(codeFile, name); 13058 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13059 O_RDWR | O_CREAT, 0644); 13060 Os.chmod(file.getAbsolutePath(), 0644); 13061 return new ParcelFileDescriptor(fd); 13062 } catch (ErrnoException e) { 13063 throw new RemoteException("Failed to open: " + e.getMessage()); 13064 } 13065 } 13066 }; 13067 13068 int ret = PackageManager.INSTALL_SUCCEEDED; 13069 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13070 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13071 Slog.e(TAG, "Failed to copy package"); 13072 return ret; 13073 } 13074 13075 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13076 NativeLibraryHelper.Handle handle = null; 13077 try { 13078 handle = NativeLibraryHelper.Handle.create(codeFile); 13079 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13080 abiOverride); 13081 } catch (IOException e) { 13082 Slog.e(TAG, "Copying native libraries failed", e); 13083 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13084 } finally { 13085 IoUtils.closeQuietly(handle); 13086 } 13087 13088 return ret; 13089 } 13090 13091 int doPreInstall(int status) { 13092 if (status != PackageManager.INSTALL_SUCCEEDED) { 13093 cleanUp(); 13094 } 13095 return status; 13096 } 13097 13098 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13099 if (status != PackageManager.INSTALL_SUCCEEDED) { 13100 cleanUp(); 13101 return false; 13102 } 13103 13104 final File targetDir = codeFile.getParentFile(); 13105 final File beforeCodeFile = codeFile; 13106 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13107 13108 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13109 try { 13110 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13111 } catch (ErrnoException e) { 13112 Slog.w(TAG, "Failed to rename", e); 13113 return false; 13114 } 13115 13116 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13117 Slog.w(TAG, "Failed to restorecon"); 13118 return false; 13119 } 13120 13121 // Reflect the rename internally 13122 codeFile = afterCodeFile; 13123 resourceFile = afterCodeFile; 13124 13125 // Reflect the rename in scanned details 13126 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13127 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13128 afterCodeFile, pkg.baseCodePath)); 13129 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13130 afterCodeFile, pkg.splitCodePaths)); 13131 13132 // Reflect the rename in app info 13133 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13134 pkg.setApplicationInfoCodePath(pkg.codePath); 13135 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13136 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13137 pkg.setApplicationInfoResourcePath(pkg.codePath); 13138 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13139 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13140 13141 return true; 13142 } 13143 13144 int doPostInstall(int status, int uid) { 13145 if (status != PackageManager.INSTALL_SUCCEEDED) { 13146 cleanUp(); 13147 } 13148 return status; 13149 } 13150 13151 @Override 13152 String getCodePath() { 13153 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13154 } 13155 13156 @Override 13157 String getResourcePath() { 13158 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13159 } 13160 13161 private boolean cleanUp() { 13162 if (codeFile == null || !codeFile.exists()) { 13163 return false; 13164 } 13165 13166 removeCodePathLI(codeFile); 13167 13168 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13169 resourceFile.delete(); 13170 } 13171 13172 return true; 13173 } 13174 13175 void cleanUpResourcesLI() { 13176 // Try enumerating all code paths before deleting 13177 List<String> allCodePaths = Collections.EMPTY_LIST; 13178 if (codeFile != null && codeFile.exists()) { 13179 try { 13180 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13181 allCodePaths = pkg.getAllCodePaths(); 13182 } catch (PackageParserException e) { 13183 // Ignored; we tried our best 13184 } 13185 } 13186 13187 cleanUp(); 13188 removeDexFiles(allCodePaths, instructionSets); 13189 } 13190 13191 boolean doPostDeleteLI(boolean delete) { 13192 // XXX err, shouldn't we respect the delete flag? 13193 cleanUpResourcesLI(); 13194 return true; 13195 } 13196 } 13197 13198 private boolean isAsecExternal(String cid) { 13199 final String asecPath = PackageHelper.getSdFilesystem(cid); 13200 return !asecPath.startsWith(mAsecInternalPath); 13201 } 13202 13203 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13204 PackageManagerException { 13205 if (copyRet < 0) { 13206 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13207 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13208 throw new PackageManagerException(copyRet, message); 13209 } 13210 } 13211 } 13212 13213 /** 13214 * Extract the MountService "container ID" from the full code path of an 13215 * .apk. 13216 */ 13217 static String cidFromCodePath(String fullCodePath) { 13218 int eidx = fullCodePath.lastIndexOf("/"); 13219 String subStr1 = fullCodePath.substring(0, eidx); 13220 int sidx = subStr1.lastIndexOf("/"); 13221 return subStr1.substring(sidx+1, eidx); 13222 } 13223 13224 /** 13225 * Logic to handle installation of ASEC applications, including copying and 13226 * renaming logic. 13227 */ 13228 class AsecInstallArgs extends InstallArgs { 13229 static final String RES_FILE_NAME = "pkg.apk"; 13230 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13231 13232 String cid; 13233 String packagePath; 13234 String resourcePath; 13235 13236 /** New install */ 13237 AsecInstallArgs(InstallParams params) { 13238 super(params.origin, params.move, params.observer, params.installFlags, 13239 params.installerPackageName, params.volumeUuid, 13240 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13241 params.grantedRuntimePermissions, 13242 params.traceMethod, params.traceCookie, params.certificates); 13243 } 13244 13245 /** Existing install */ 13246 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13247 boolean isExternal, boolean isForwardLocked) { 13248 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13249 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13250 instructionSets, null, null, null, 0, null /*certificates*/); 13251 // Hackily pretend we're still looking at a full code path 13252 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13253 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13254 } 13255 13256 // Extract cid from fullCodePath 13257 int eidx = fullCodePath.lastIndexOf("/"); 13258 String subStr1 = fullCodePath.substring(0, eidx); 13259 int sidx = subStr1.lastIndexOf("/"); 13260 cid = subStr1.substring(sidx+1, eidx); 13261 setMountPath(subStr1); 13262 } 13263 13264 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13265 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13266 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13267 instructionSets, null, null, null, 0, null /*certificates*/); 13268 this.cid = cid; 13269 setMountPath(PackageHelper.getSdDir(cid)); 13270 } 13271 13272 void createCopyFile() { 13273 cid = mInstallerService.allocateExternalStageCidLegacy(); 13274 } 13275 13276 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13277 if (origin.staged && origin.cid != null) { 13278 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13279 cid = origin.cid; 13280 setMountPath(PackageHelper.getSdDir(cid)); 13281 return PackageManager.INSTALL_SUCCEEDED; 13282 } 13283 13284 if (temp) { 13285 createCopyFile(); 13286 } else { 13287 /* 13288 * Pre-emptively destroy the container since it's destroyed if 13289 * copying fails due to it existing anyway. 13290 */ 13291 PackageHelper.destroySdDir(cid); 13292 } 13293 13294 final String newMountPath = imcs.copyPackageToContainer( 13295 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13296 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13297 13298 if (newMountPath != null) { 13299 setMountPath(newMountPath); 13300 return PackageManager.INSTALL_SUCCEEDED; 13301 } else { 13302 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13303 } 13304 } 13305 13306 @Override 13307 String getCodePath() { 13308 return packagePath; 13309 } 13310 13311 @Override 13312 String getResourcePath() { 13313 return resourcePath; 13314 } 13315 13316 int doPreInstall(int status) { 13317 if (status != PackageManager.INSTALL_SUCCEEDED) { 13318 // Destroy container 13319 PackageHelper.destroySdDir(cid); 13320 } else { 13321 boolean mounted = PackageHelper.isContainerMounted(cid); 13322 if (!mounted) { 13323 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13324 Process.SYSTEM_UID); 13325 if (newMountPath != null) { 13326 setMountPath(newMountPath); 13327 } else { 13328 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13329 } 13330 } 13331 } 13332 return status; 13333 } 13334 13335 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13336 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13337 String newMountPath = null; 13338 if (PackageHelper.isContainerMounted(cid)) { 13339 // Unmount the container 13340 if (!PackageHelper.unMountSdDir(cid)) { 13341 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13342 return false; 13343 } 13344 } 13345 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13346 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13347 " which might be stale. Will try to clean up."); 13348 // Clean up the stale container and proceed to recreate. 13349 if (!PackageHelper.destroySdDir(newCacheId)) { 13350 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13351 return false; 13352 } 13353 // Successfully cleaned up stale container. Try to rename again. 13354 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13355 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13356 + " inspite of cleaning it up."); 13357 return false; 13358 } 13359 } 13360 if (!PackageHelper.isContainerMounted(newCacheId)) { 13361 Slog.w(TAG, "Mounting container " + newCacheId); 13362 newMountPath = PackageHelper.mountSdDir(newCacheId, 13363 getEncryptKey(), Process.SYSTEM_UID); 13364 } else { 13365 newMountPath = PackageHelper.getSdDir(newCacheId); 13366 } 13367 if (newMountPath == null) { 13368 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13369 return false; 13370 } 13371 Log.i(TAG, "Succesfully renamed " + cid + 13372 " to " + newCacheId + 13373 " at new path: " + newMountPath); 13374 cid = newCacheId; 13375 13376 final File beforeCodeFile = new File(packagePath); 13377 setMountPath(newMountPath); 13378 final File afterCodeFile = new File(packagePath); 13379 13380 // Reflect the rename in scanned details 13381 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13382 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13383 afterCodeFile, pkg.baseCodePath)); 13384 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13385 afterCodeFile, pkg.splitCodePaths)); 13386 13387 // Reflect the rename in app info 13388 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13389 pkg.setApplicationInfoCodePath(pkg.codePath); 13390 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13391 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13392 pkg.setApplicationInfoResourcePath(pkg.codePath); 13393 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13394 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13395 13396 return true; 13397 } 13398 13399 private void setMountPath(String mountPath) { 13400 final File mountFile = new File(mountPath); 13401 13402 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13403 if (monolithicFile.exists()) { 13404 packagePath = monolithicFile.getAbsolutePath(); 13405 if (isFwdLocked()) { 13406 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13407 } else { 13408 resourcePath = packagePath; 13409 } 13410 } else { 13411 packagePath = mountFile.getAbsolutePath(); 13412 resourcePath = packagePath; 13413 } 13414 } 13415 13416 int doPostInstall(int status, int uid) { 13417 if (status != PackageManager.INSTALL_SUCCEEDED) { 13418 cleanUp(); 13419 } else { 13420 final int groupOwner; 13421 final String protectedFile; 13422 if (isFwdLocked()) { 13423 groupOwner = UserHandle.getSharedAppGid(uid); 13424 protectedFile = RES_FILE_NAME; 13425 } else { 13426 groupOwner = -1; 13427 protectedFile = null; 13428 } 13429 13430 if (uid < Process.FIRST_APPLICATION_UID 13431 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13432 Slog.e(TAG, "Failed to finalize " + cid); 13433 PackageHelper.destroySdDir(cid); 13434 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13435 } 13436 13437 boolean mounted = PackageHelper.isContainerMounted(cid); 13438 if (!mounted) { 13439 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13440 } 13441 } 13442 return status; 13443 } 13444 13445 private void cleanUp() { 13446 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13447 13448 // Destroy secure container 13449 PackageHelper.destroySdDir(cid); 13450 } 13451 13452 private List<String> getAllCodePaths() { 13453 final File codeFile = new File(getCodePath()); 13454 if (codeFile != null && codeFile.exists()) { 13455 try { 13456 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13457 return pkg.getAllCodePaths(); 13458 } catch (PackageParserException e) { 13459 // Ignored; we tried our best 13460 } 13461 } 13462 return Collections.EMPTY_LIST; 13463 } 13464 13465 void cleanUpResourcesLI() { 13466 // Enumerate all code paths before deleting 13467 cleanUpResourcesLI(getAllCodePaths()); 13468 } 13469 13470 private void cleanUpResourcesLI(List<String> allCodePaths) { 13471 cleanUp(); 13472 removeDexFiles(allCodePaths, instructionSets); 13473 } 13474 13475 String getPackageName() { 13476 return getAsecPackageName(cid); 13477 } 13478 13479 boolean doPostDeleteLI(boolean delete) { 13480 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13481 final List<String> allCodePaths = getAllCodePaths(); 13482 boolean mounted = PackageHelper.isContainerMounted(cid); 13483 if (mounted) { 13484 // Unmount first 13485 if (PackageHelper.unMountSdDir(cid)) { 13486 mounted = false; 13487 } 13488 } 13489 if (!mounted && delete) { 13490 cleanUpResourcesLI(allCodePaths); 13491 } 13492 return !mounted; 13493 } 13494 13495 @Override 13496 int doPreCopy() { 13497 if (isFwdLocked()) { 13498 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13499 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13500 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13501 } 13502 } 13503 13504 return PackageManager.INSTALL_SUCCEEDED; 13505 } 13506 13507 @Override 13508 int doPostCopy(int uid) { 13509 if (isFwdLocked()) { 13510 if (uid < Process.FIRST_APPLICATION_UID 13511 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13512 RES_FILE_NAME)) { 13513 Slog.e(TAG, "Failed to finalize " + cid); 13514 PackageHelper.destroySdDir(cid); 13515 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13516 } 13517 } 13518 13519 return PackageManager.INSTALL_SUCCEEDED; 13520 } 13521 } 13522 13523 /** 13524 * Logic to handle movement of existing installed applications. 13525 */ 13526 class MoveInstallArgs extends InstallArgs { 13527 private File codeFile; 13528 private File resourceFile; 13529 13530 /** New install */ 13531 MoveInstallArgs(InstallParams params) { 13532 super(params.origin, params.move, params.observer, params.installFlags, 13533 params.installerPackageName, params.volumeUuid, 13534 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13535 params.grantedRuntimePermissions, 13536 params.traceMethod, params.traceCookie, params.certificates); 13537 } 13538 13539 int copyApk(IMediaContainerService imcs, boolean temp) { 13540 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13541 + move.fromUuid + " to " + move.toUuid); 13542 synchronized (mInstaller) { 13543 try { 13544 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13545 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13546 } catch (InstallerException e) { 13547 Slog.w(TAG, "Failed to move app", e); 13548 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13549 } 13550 } 13551 13552 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13553 resourceFile = codeFile; 13554 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13555 13556 return PackageManager.INSTALL_SUCCEEDED; 13557 } 13558 13559 int doPreInstall(int status) { 13560 if (status != PackageManager.INSTALL_SUCCEEDED) { 13561 cleanUp(move.toUuid); 13562 } 13563 return status; 13564 } 13565 13566 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13567 if (status != PackageManager.INSTALL_SUCCEEDED) { 13568 cleanUp(move.toUuid); 13569 return false; 13570 } 13571 13572 // Reflect the move in app info 13573 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13574 pkg.setApplicationInfoCodePath(pkg.codePath); 13575 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13576 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13577 pkg.setApplicationInfoResourcePath(pkg.codePath); 13578 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13579 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13580 13581 return true; 13582 } 13583 13584 int doPostInstall(int status, int uid) { 13585 if (status == PackageManager.INSTALL_SUCCEEDED) { 13586 cleanUp(move.fromUuid); 13587 } else { 13588 cleanUp(move.toUuid); 13589 } 13590 return status; 13591 } 13592 13593 @Override 13594 String getCodePath() { 13595 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13596 } 13597 13598 @Override 13599 String getResourcePath() { 13600 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13601 } 13602 13603 private boolean cleanUp(String volumeUuid) { 13604 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13605 move.dataAppName); 13606 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13607 final int[] userIds = sUserManager.getUserIds(); 13608 synchronized (mInstallLock) { 13609 // Clean up both app data and code 13610 // All package moves are frozen until finished 13611 for (int userId : userIds) { 13612 try { 13613 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13614 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13615 } catch (InstallerException e) { 13616 Slog.w(TAG, String.valueOf(e)); 13617 } 13618 } 13619 removeCodePathLI(codeFile); 13620 } 13621 return true; 13622 } 13623 13624 void cleanUpResourcesLI() { 13625 throw new UnsupportedOperationException(); 13626 } 13627 13628 boolean doPostDeleteLI(boolean delete) { 13629 throw new UnsupportedOperationException(); 13630 } 13631 } 13632 13633 static String getAsecPackageName(String packageCid) { 13634 int idx = packageCid.lastIndexOf("-"); 13635 if (idx == -1) { 13636 return packageCid; 13637 } 13638 return packageCid.substring(0, idx); 13639 } 13640 13641 // Utility method used to create code paths based on package name and available index. 13642 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13643 String idxStr = ""; 13644 int idx = 1; 13645 // Fall back to default value of idx=1 if prefix is not 13646 // part of oldCodePath 13647 if (oldCodePath != null) { 13648 String subStr = oldCodePath; 13649 // Drop the suffix right away 13650 if (suffix != null && subStr.endsWith(suffix)) { 13651 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13652 } 13653 // If oldCodePath already contains prefix find out the 13654 // ending index to either increment or decrement. 13655 int sidx = subStr.lastIndexOf(prefix); 13656 if (sidx != -1) { 13657 subStr = subStr.substring(sidx + prefix.length()); 13658 if (subStr != null) { 13659 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13660 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13661 } 13662 try { 13663 idx = Integer.parseInt(subStr); 13664 if (idx <= 1) { 13665 idx++; 13666 } else { 13667 idx--; 13668 } 13669 } catch(NumberFormatException e) { 13670 } 13671 } 13672 } 13673 } 13674 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13675 return prefix + idxStr; 13676 } 13677 13678 private File getNextCodePath(File targetDir, String packageName) { 13679 int suffix = 1; 13680 File result; 13681 do { 13682 result = new File(targetDir, packageName + "-" + suffix); 13683 suffix++; 13684 } while (result.exists()); 13685 return result; 13686 } 13687 13688 // Utility method that returns the relative package path with respect 13689 // to the installation directory. Like say for /data/data/com.test-1.apk 13690 // string com.test-1 is returned. 13691 static String deriveCodePathName(String codePath) { 13692 if (codePath == null) { 13693 return null; 13694 } 13695 final File codeFile = new File(codePath); 13696 final String name = codeFile.getName(); 13697 if (codeFile.isDirectory()) { 13698 return name; 13699 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13700 final int lastDot = name.lastIndexOf('.'); 13701 return name.substring(0, lastDot); 13702 } else { 13703 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13704 return null; 13705 } 13706 } 13707 13708 static class PackageInstalledInfo { 13709 String name; 13710 int uid; 13711 // The set of users that originally had this package installed. 13712 int[] origUsers; 13713 // The set of users that now have this package installed. 13714 int[] newUsers; 13715 PackageParser.Package pkg; 13716 int returnCode; 13717 String returnMsg; 13718 PackageRemovedInfo removedInfo; 13719 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13720 13721 public void setError(int code, String msg) { 13722 setReturnCode(code); 13723 setReturnMessage(msg); 13724 Slog.w(TAG, msg); 13725 } 13726 13727 public void setError(String msg, PackageParserException e) { 13728 setReturnCode(e.error); 13729 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13730 Slog.w(TAG, msg, e); 13731 } 13732 13733 public void setError(String msg, PackageManagerException e) { 13734 returnCode = e.error; 13735 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13736 Slog.w(TAG, msg, e); 13737 } 13738 13739 public void setReturnCode(int returnCode) { 13740 this.returnCode = returnCode; 13741 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13742 for (int i = 0; i < childCount; i++) { 13743 addedChildPackages.valueAt(i).returnCode = returnCode; 13744 } 13745 } 13746 13747 private void setReturnMessage(String returnMsg) { 13748 this.returnMsg = returnMsg; 13749 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13750 for (int i = 0; i < childCount; i++) { 13751 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13752 } 13753 } 13754 13755 // In some error cases we want to convey more info back to the observer 13756 String origPackage; 13757 String origPermission; 13758 } 13759 13760 /* 13761 * Install a non-existing package. 13762 */ 13763 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13764 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13765 PackageInstalledInfo res) { 13766 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13767 13768 // Remember this for later, in case we need to rollback this install 13769 String pkgName = pkg.packageName; 13770 13771 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13772 13773 synchronized(mPackages) { 13774 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13775 // A package with the same name is already installed, though 13776 // it has been renamed to an older name. The package we 13777 // are trying to install should be installed as an update to 13778 // the existing one, but that has not been requested, so bail. 13779 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13780 + " without first uninstalling package running as " 13781 + mSettings.mRenamedPackages.get(pkgName)); 13782 return; 13783 } 13784 if (mPackages.containsKey(pkgName)) { 13785 // Don't allow installation over an existing package with the same name. 13786 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13787 + " without first uninstalling."); 13788 return; 13789 } 13790 } 13791 13792 try { 13793 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13794 System.currentTimeMillis(), user); 13795 13796 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13797 13798 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13799 prepareAppDataAfterInstallLIF(newPackage); 13800 13801 } else { 13802 // Remove package from internal structures, but keep around any 13803 // data that might have already existed 13804 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13805 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13806 } 13807 } catch (PackageManagerException e) { 13808 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13809 } 13810 13811 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13812 } 13813 13814 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13815 // Can't rotate keys during boot or if sharedUser. 13816 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13817 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13818 return false; 13819 } 13820 // app is using upgradeKeySets; make sure all are valid 13821 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13822 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13823 for (int i = 0; i < upgradeKeySets.length; i++) { 13824 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13825 Slog.wtf(TAG, "Package " 13826 + (oldPs.name != null ? oldPs.name : "<null>") 13827 + " contains upgrade-key-set reference to unknown key-set: " 13828 + upgradeKeySets[i] 13829 + " reverting to signatures check."); 13830 return false; 13831 } 13832 } 13833 return true; 13834 } 13835 13836 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13837 // Upgrade keysets are being used. Determine if new package has a superset of the 13838 // required keys. 13839 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13840 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13841 for (int i = 0; i < upgradeKeySets.length; i++) { 13842 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13843 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13844 return true; 13845 } 13846 } 13847 return false; 13848 } 13849 13850 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13851 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13852 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13853 13854 final PackageParser.Package oldPackage; 13855 final String pkgName = pkg.packageName; 13856 final int[] allUsers; 13857 final int[] installedUsers; 13858 13859 synchronized(mPackages) { 13860 oldPackage = mPackages.get(pkgName); 13861 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13862 13863 // don't allow upgrade to target a release SDK from a pre-release SDK 13864 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13865 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13866 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13867 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13868 if (oldTargetsPreRelease 13869 && !newTargetsPreRelease 13870 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13871 Slog.w(TAG, "Can't install package targeting released sdk"); 13872 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13873 return; 13874 } 13875 13876 // don't allow an upgrade from full to ephemeral 13877 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13878 if (isEphemeral && !oldIsEphemeral) { 13879 // can't downgrade from full to ephemeral 13880 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13881 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13882 return; 13883 } 13884 13885 // verify signatures are valid 13886 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13887 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13888 if (!checkUpgradeKeySetLP(ps, pkg)) { 13889 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13890 "New package not signed by keys specified by upgrade-keysets: " 13891 + pkgName); 13892 return; 13893 } 13894 } else { 13895 // default to original signature matching 13896 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13897 != PackageManager.SIGNATURE_MATCH) { 13898 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13899 "New package has a different signature: " + pkgName); 13900 return; 13901 } 13902 } 13903 13904 // Check for shared user id changes 13905 String invalidPackageName = 13906 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13907 if (invalidPackageName != null) { 13908 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13909 "Package " + invalidPackageName + " tried to change user " 13910 + oldPackage.mSharedUserId); 13911 return; 13912 } 13913 13914 // In case of rollback, remember per-user/profile install state 13915 allUsers = sUserManager.getUserIds(); 13916 installedUsers = ps.queryInstalledUsers(allUsers, true); 13917 } 13918 13919 // Update what is removed 13920 res.removedInfo = new PackageRemovedInfo(); 13921 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13922 res.removedInfo.removedPackage = oldPackage.packageName; 13923 res.removedInfo.isUpdate = true; 13924 res.removedInfo.origUsers = installedUsers; 13925 final int childCount = (oldPackage.childPackages != null) 13926 ? oldPackage.childPackages.size() : 0; 13927 for (int i = 0; i < childCount; i++) { 13928 boolean childPackageUpdated = false; 13929 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13930 if (res.addedChildPackages != null) { 13931 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13932 if (childRes != null) { 13933 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13934 childRes.removedInfo.removedPackage = childPkg.packageName; 13935 childRes.removedInfo.isUpdate = true; 13936 childPackageUpdated = true; 13937 } 13938 } 13939 if (!childPackageUpdated) { 13940 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13941 childRemovedRes.removedPackage = childPkg.packageName; 13942 childRemovedRes.isUpdate = false; 13943 childRemovedRes.dataRemoved = true; 13944 synchronized (mPackages) { 13945 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13946 if (childPs != null) { 13947 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13948 } 13949 } 13950 if (res.removedInfo.removedChildPackages == null) { 13951 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13952 } 13953 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13954 } 13955 } 13956 13957 boolean sysPkg = (isSystemApp(oldPackage)); 13958 if (sysPkg) { 13959 // Set the system/privileged flags as needed 13960 final boolean privileged = 13961 (oldPackage.applicationInfo.privateFlags 13962 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13963 final int systemPolicyFlags = policyFlags 13964 | PackageParser.PARSE_IS_SYSTEM 13965 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 13966 13967 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 13968 user, allUsers, installerPackageName, res); 13969 } else { 13970 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 13971 user, allUsers, installerPackageName, res); 13972 } 13973 } 13974 13975 public List<String> getPreviousCodePaths(String packageName) { 13976 final PackageSetting ps = mSettings.mPackages.get(packageName); 13977 final List<String> result = new ArrayList<String>(); 13978 if (ps != null && ps.oldCodePaths != null) { 13979 result.addAll(ps.oldCodePaths); 13980 } 13981 return result; 13982 } 13983 13984 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 13985 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 13986 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13987 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13988 + deletedPackage); 13989 13990 String pkgName = deletedPackage.packageName; 13991 boolean deletedPkg = true; 13992 boolean addedPkg = false; 13993 boolean updatedSettings = false; 13994 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13995 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13996 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13997 13998 final long origUpdateTime = (pkg.mExtras != null) 13999 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14000 14001 // First delete the existing package while retaining the data directory 14002 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14003 res.removedInfo, true, pkg)) { 14004 // If the existing package wasn't successfully deleted 14005 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14006 deletedPkg = false; 14007 } else { 14008 // Successfully deleted the old package; proceed with replace. 14009 14010 // If deleted package lived in a container, give users a chance to 14011 // relinquish resources before killing. 14012 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14013 if (DEBUG_INSTALL) { 14014 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14015 } 14016 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14017 final ArrayList<String> pkgList = new ArrayList<String>(1); 14018 pkgList.add(deletedPackage.applicationInfo.packageName); 14019 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14020 } 14021 14022 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14023 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14024 clearAppProfilesLIF(pkg); 14025 14026 try { 14027 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14028 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14029 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14030 14031 // Update the in-memory copy of the previous code paths. 14032 PackageSetting ps = mSettings.mPackages.get(pkgName); 14033 if (!killApp) { 14034 if (ps.oldCodePaths == null) { 14035 ps.oldCodePaths = new ArraySet<>(); 14036 } 14037 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14038 if (deletedPackage.splitCodePaths != null) { 14039 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14040 } 14041 } else { 14042 ps.oldCodePaths = null; 14043 } 14044 if (ps.childPackageNames != null) { 14045 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14046 final String childPkgName = ps.childPackageNames.get(i); 14047 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14048 childPs.oldCodePaths = ps.oldCodePaths; 14049 } 14050 } 14051 prepareAppDataAfterInstallLIF(newPackage); 14052 addedPkg = true; 14053 } catch (PackageManagerException e) { 14054 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14055 } 14056 } 14057 14058 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14059 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14060 14061 // Revert all internal state mutations and added folders for the failed install 14062 if (addedPkg) { 14063 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14064 res.removedInfo, true, null); 14065 } 14066 14067 // Restore the old package 14068 if (deletedPkg) { 14069 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14070 File restoreFile = new File(deletedPackage.codePath); 14071 // Parse old package 14072 boolean oldExternal = isExternal(deletedPackage); 14073 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14074 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14075 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14076 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14077 try { 14078 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14079 null); 14080 } catch (PackageManagerException e) { 14081 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14082 + e.getMessage()); 14083 return; 14084 } 14085 14086 synchronized (mPackages) { 14087 // Ensure the installer package name up to date 14088 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14089 14090 // Update permissions for restored package 14091 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14092 14093 mSettings.writeLPr(); 14094 } 14095 14096 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14097 } 14098 } else { 14099 synchronized (mPackages) { 14100 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14101 if (ps != null) { 14102 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14103 if (res.removedInfo.removedChildPackages != null) { 14104 final int childCount = res.removedInfo.removedChildPackages.size(); 14105 // Iterate in reverse as we may modify the collection 14106 for (int i = childCount - 1; i >= 0; i--) { 14107 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14108 if (res.addedChildPackages.containsKey(childPackageName)) { 14109 res.removedInfo.removedChildPackages.removeAt(i); 14110 } else { 14111 PackageRemovedInfo childInfo = res.removedInfo 14112 .removedChildPackages.valueAt(i); 14113 childInfo.removedForAllUsers = mPackages.get( 14114 childInfo.removedPackage) == null; 14115 } 14116 } 14117 } 14118 } 14119 } 14120 } 14121 } 14122 14123 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14124 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14125 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14126 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14127 + ", old=" + deletedPackage); 14128 14129 final boolean disabledSystem; 14130 14131 // Remove existing system package 14132 removePackageLI(deletedPackage, true); 14133 14134 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14135 if (!disabledSystem) { 14136 // We didn't need to disable the .apk as a current system package, 14137 // which means we are replacing another update that is already 14138 // installed. We need to make sure to delete the older one's .apk. 14139 res.removedInfo.args = createInstallArgsForExisting(0, 14140 deletedPackage.applicationInfo.getCodePath(), 14141 deletedPackage.applicationInfo.getResourcePath(), 14142 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14143 } else { 14144 res.removedInfo.args = null; 14145 } 14146 14147 // Successfully disabled the old package. Now proceed with re-installation 14148 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14149 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14150 clearAppProfilesLIF(pkg); 14151 14152 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14153 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14154 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14155 14156 PackageParser.Package newPackage = null; 14157 try { 14158 // Add the package to the internal data structures 14159 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14160 14161 // Set the update and install times 14162 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14163 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14164 System.currentTimeMillis()); 14165 14166 // Update the package dynamic state if succeeded 14167 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14168 // Now that the install succeeded make sure we remove data 14169 // directories for any child package the update removed. 14170 final int deletedChildCount = (deletedPackage.childPackages != null) 14171 ? deletedPackage.childPackages.size() : 0; 14172 final int newChildCount = (newPackage.childPackages != null) 14173 ? newPackage.childPackages.size() : 0; 14174 for (int i = 0; i < deletedChildCount; i++) { 14175 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14176 boolean childPackageDeleted = true; 14177 for (int j = 0; j < newChildCount; j++) { 14178 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14179 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14180 childPackageDeleted = false; 14181 break; 14182 } 14183 } 14184 if (childPackageDeleted) { 14185 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14186 deletedChildPkg.packageName); 14187 if (ps != null && res.removedInfo.removedChildPackages != null) { 14188 PackageRemovedInfo removedChildRes = res.removedInfo 14189 .removedChildPackages.get(deletedChildPkg.packageName); 14190 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14191 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14192 } 14193 } 14194 } 14195 14196 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14197 prepareAppDataAfterInstallLIF(newPackage); 14198 } 14199 } catch (PackageManagerException e) { 14200 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14201 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14202 } 14203 14204 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14205 // Re installation failed. Restore old information 14206 // Remove new pkg information 14207 if (newPackage != null) { 14208 removeInstalledPackageLI(newPackage, true); 14209 } 14210 // Add back the old system package 14211 try { 14212 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14213 } catch (PackageManagerException e) { 14214 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14215 } 14216 14217 synchronized (mPackages) { 14218 if (disabledSystem) { 14219 enableSystemPackageLPw(deletedPackage); 14220 } 14221 14222 // Ensure the installer package name up to date 14223 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14224 14225 // Update permissions for restored package 14226 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14227 14228 mSettings.writeLPr(); 14229 } 14230 14231 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14232 + " after failed upgrade"); 14233 } 14234 } 14235 14236 /** 14237 * Checks whether the parent or any of the child packages have a change shared 14238 * user. For a package to be a valid update the shred users of the parent and 14239 * the children should match. We may later support changing child shared users. 14240 * @param oldPkg The updated package. 14241 * @param newPkg The update package. 14242 * @return The shared user that change between the versions. 14243 */ 14244 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14245 PackageParser.Package newPkg) { 14246 // Check parent shared user 14247 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14248 return newPkg.packageName; 14249 } 14250 // Check child shared users 14251 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14252 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14253 for (int i = 0; i < newChildCount; i++) { 14254 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14255 // If this child was present, did it have the same shared user? 14256 for (int j = 0; j < oldChildCount; j++) { 14257 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14258 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14259 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14260 return newChildPkg.packageName; 14261 } 14262 } 14263 } 14264 return null; 14265 } 14266 14267 private void removeNativeBinariesLI(PackageSetting ps) { 14268 // Remove the lib path for the parent package 14269 if (ps != null) { 14270 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14271 // Remove the lib path for the child packages 14272 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14273 for (int i = 0; i < childCount; i++) { 14274 PackageSetting childPs = null; 14275 synchronized (mPackages) { 14276 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14277 } 14278 if (childPs != null) { 14279 NativeLibraryHelper.removeNativeBinariesLI(childPs 14280 .legacyNativeLibraryPathString); 14281 } 14282 } 14283 } 14284 } 14285 14286 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14287 // Enable the parent package 14288 mSettings.enableSystemPackageLPw(pkg.packageName); 14289 // Enable the child packages 14290 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14291 for (int i = 0; i < childCount; i++) { 14292 PackageParser.Package childPkg = pkg.childPackages.get(i); 14293 mSettings.enableSystemPackageLPw(childPkg.packageName); 14294 } 14295 } 14296 14297 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14298 PackageParser.Package newPkg) { 14299 // Disable the parent package (parent always replaced) 14300 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14301 // Disable the child packages 14302 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14303 for (int i = 0; i < childCount; i++) { 14304 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14305 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14306 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14307 } 14308 return disabled; 14309 } 14310 14311 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14312 String installerPackageName) { 14313 // Enable the parent package 14314 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14315 // Enable the child packages 14316 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14317 for (int i = 0; i < childCount; i++) { 14318 PackageParser.Package childPkg = pkg.childPackages.get(i); 14319 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14320 } 14321 } 14322 14323 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14324 // Collect all used permissions in the UID 14325 ArraySet<String> usedPermissions = new ArraySet<>(); 14326 final int packageCount = su.packages.size(); 14327 for (int i = 0; i < packageCount; i++) { 14328 PackageSetting ps = su.packages.valueAt(i); 14329 if (ps.pkg == null) { 14330 continue; 14331 } 14332 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14333 for (int j = 0; j < requestedPermCount; j++) { 14334 String permission = ps.pkg.requestedPermissions.get(j); 14335 BasePermission bp = mSettings.mPermissions.get(permission); 14336 if (bp != null) { 14337 usedPermissions.add(permission); 14338 } 14339 } 14340 } 14341 14342 PermissionsState permissionsState = su.getPermissionsState(); 14343 // Prune install permissions 14344 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14345 final int installPermCount = installPermStates.size(); 14346 for (int i = installPermCount - 1; i >= 0; i--) { 14347 PermissionState permissionState = installPermStates.get(i); 14348 if (!usedPermissions.contains(permissionState.getName())) { 14349 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14350 if (bp != null) { 14351 permissionsState.revokeInstallPermission(bp); 14352 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14353 PackageManager.MASK_PERMISSION_FLAGS, 0); 14354 } 14355 } 14356 } 14357 14358 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14359 14360 // Prune runtime permissions 14361 for (int userId : allUserIds) { 14362 List<PermissionState> runtimePermStates = permissionsState 14363 .getRuntimePermissionStates(userId); 14364 final int runtimePermCount = runtimePermStates.size(); 14365 for (int i = runtimePermCount - 1; i >= 0; i--) { 14366 PermissionState permissionState = runtimePermStates.get(i); 14367 if (!usedPermissions.contains(permissionState.getName())) { 14368 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14369 if (bp != null) { 14370 permissionsState.revokeRuntimePermission(bp, userId); 14371 permissionsState.updatePermissionFlags(bp, userId, 14372 PackageManager.MASK_PERMISSION_FLAGS, 0); 14373 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14374 runtimePermissionChangedUserIds, userId); 14375 } 14376 } 14377 } 14378 } 14379 14380 return runtimePermissionChangedUserIds; 14381 } 14382 14383 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14384 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14385 // Update the parent package setting 14386 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14387 res, user); 14388 // Update the child packages setting 14389 final int childCount = (newPackage.childPackages != null) 14390 ? newPackage.childPackages.size() : 0; 14391 for (int i = 0; i < childCount; i++) { 14392 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14393 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14394 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14395 childRes.origUsers, childRes, user); 14396 } 14397 } 14398 14399 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14400 String installerPackageName, int[] allUsers, int[] installedForUsers, 14401 PackageInstalledInfo res, UserHandle user) { 14402 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14403 14404 String pkgName = newPackage.packageName; 14405 synchronized (mPackages) { 14406 //write settings. the installStatus will be incomplete at this stage. 14407 //note that the new package setting would have already been 14408 //added to mPackages. It hasn't been persisted yet. 14409 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14410 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14411 mSettings.writeLPr(); 14412 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14413 } 14414 14415 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14416 synchronized (mPackages) { 14417 updatePermissionsLPw(newPackage.packageName, newPackage, 14418 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14419 ? UPDATE_PERMISSIONS_ALL : 0)); 14420 // For system-bundled packages, we assume that installing an upgraded version 14421 // of the package implies that the user actually wants to run that new code, 14422 // so we enable the package. 14423 PackageSetting ps = mSettings.mPackages.get(pkgName); 14424 final int userId = user.getIdentifier(); 14425 if (ps != null) { 14426 if (isSystemApp(newPackage)) { 14427 if (DEBUG_INSTALL) { 14428 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14429 } 14430 // Enable system package for requested users 14431 if (res.origUsers != null) { 14432 for (int origUserId : res.origUsers) { 14433 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14434 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14435 origUserId, installerPackageName); 14436 } 14437 } 14438 } 14439 // Also convey the prior install/uninstall state 14440 if (allUsers != null && installedForUsers != null) { 14441 for (int currentUserId : allUsers) { 14442 final boolean installed = ArrayUtils.contains( 14443 installedForUsers, currentUserId); 14444 if (DEBUG_INSTALL) { 14445 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14446 } 14447 ps.setInstalled(installed, currentUserId); 14448 } 14449 // these install state changes will be persisted in the 14450 // upcoming call to mSettings.writeLPr(). 14451 } 14452 } 14453 // It's implied that when a user requests installation, they want the app to be 14454 // installed and enabled. 14455 if (userId != UserHandle.USER_ALL) { 14456 ps.setInstalled(true, userId); 14457 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14458 } 14459 } 14460 res.name = pkgName; 14461 res.uid = newPackage.applicationInfo.uid; 14462 res.pkg = newPackage; 14463 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14464 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14465 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14466 //to update install status 14467 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14468 mSettings.writeLPr(); 14469 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14470 } 14471 14472 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14473 } 14474 14475 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14476 try { 14477 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14478 installPackageLI(args, res); 14479 } finally { 14480 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14481 } 14482 } 14483 14484 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14485 final int installFlags = args.installFlags; 14486 final String installerPackageName = args.installerPackageName; 14487 final String volumeUuid = args.volumeUuid; 14488 final File tmpPackageFile = new File(args.getCodePath()); 14489 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14490 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14491 || (args.volumeUuid != null)); 14492 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14493 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14494 boolean replace = false; 14495 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14496 if (args.move != null) { 14497 // moving a complete application; perform an initial scan on the new install location 14498 scanFlags |= SCAN_INITIAL; 14499 } 14500 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14501 scanFlags |= SCAN_DONT_KILL_APP; 14502 } 14503 14504 // Result object to be returned 14505 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14506 14507 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14508 14509 // Sanity check 14510 if (ephemeral && (forwardLocked || onExternal)) { 14511 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14512 + " external=" + onExternal); 14513 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14514 return; 14515 } 14516 14517 // Retrieve PackageSettings and parse package 14518 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14519 | PackageParser.PARSE_ENFORCE_CODE 14520 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14521 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14522 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14523 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14524 PackageParser pp = new PackageParser(); 14525 pp.setSeparateProcesses(mSeparateProcesses); 14526 pp.setDisplayMetrics(mMetrics); 14527 14528 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14529 final PackageParser.Package pkg; 14530 try { 14531 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14532 } catch (PackageParserException e) { 14533 res.setError("Failed parse during installPackageLI", e); 14534 return; 14535 } finally { 14536 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14537 } 14538 14539 // If we are installing a clustered package add results for the children 14540 if (pkg.childPackages != null) { 14541 synchronized (mPackages) { 14542 final int childCount = pkg.childPackages.size(); 14543 for (int i = 0; i < childCount; i++) { 14544 PackageParser.Package childPkg = pkg.childPackages.get(i); 14545 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14546 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14547 childRes.pkg = childPkg; 14548 childRes.name = childPkg.packageName; 14549 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14550 if (childPs != null) { 14551 childRes.origUsers = childPs.queryInstalledUsers( 14552 sUserManager.getUserIds(), true); 14553 } 14554 if ((mPackages.containsKey(childPkg.packageName))) { 14555 childRes.removedInfo = new PackageRemovedInfo(); 14556 childRes.removedInfo.removedPackage = childPkg.packageName; 14557 } 14558 if (res.addedChildPackages == null) { 14559 res.addedChildPackages = new ArrayMap<>(); 14560 } 14561 res.addedChildPackages.put(childPkg.packageName, childRes); 14562 } 14563 } 14564 } 14565 14566 // If package doesn't declare API override, mark that we have an install 14567 // time CPU ABI override. 14568 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14569 pkg.cpuAbiOverride = args.abiOverride; 14570 } 14571 14572 String pkgName = res.name = pkg.packageName; 14573 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14574 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14575 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14576 return; 14577 } 14578 } 14579 14580 try { 14581 // either use what we've been given or parse directly from the APK 14582 if (args.certificates != null) { 14583 try { 14584 PackageParser.populateCertificates(pkg, args.certificates); 14585 } catch (PackageParserException e) { 14586 // there was something wrong with the certificates we were given; 14587 // try to pull them from the APK 14588 PackageParser.collectCertificates(pkg, parseFlags); 14589 } 14590 } else { 14591 PackageParser.collectCertificates(pkg, parseFlags); 14592 } 14593 } catch (PackageParserException e) { 14594 res.setError("Failed collect during installPackageLI", e); 14595 return; 14596 } 14597 14598 // Get rid of all references to package scan path via parser. 14599 pp = null; 14600 String oldCodePath = null; 14601 boolean systemApp = false; 14602 synchronized (mPackages) { 14603 // Check if installing already existing package 14604 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14605 String oldName = mSettings.mRenamedPackages.get(pkgName); 14606 if (pkg.mOriginalPackages != null 14607 && pkg.mOriginalPackages.contains(oldName) 14608 && mPackages.containsKey(oldName)) { 14609 // This package is derived from an original package, 14610 // and this device has been updating from that original 14611 // name. We must continue using the original name, so 14612 // rename the new package here. 14613 pkg.setPackageName(oldName); 14614 pkgName = pkg.packageName; 14615 replace = true; 14616 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14617 + oldName + " pkgName=" + pkgName); 14618 } else if (mPackages.containsKey(pkgName)) { 14619 // This package, under its official name, already exists 14620 // on the device; we should replace it. 14621 replace = true; 14622 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14623 } 14624 14625 // Child packages are installed through the parent package 14626 if (pkg.parentPackage != null) { 14627 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14628 "Package " + pkg.packageName + " is child of package " 14629 + pkg.parentPackage.parentPackage + ". Child packages " 14630 + "can be updated only through the parent package."); 14631 return; 14632 } 14633 14634 if (replace) { 14635 // Prevent apps opting out from runtime permissions 14636 PackageParser.Package oldPackage = mPackages.get(pkgName); 14637 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14638 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14639 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14640 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14641 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14642 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14643 + " doesn't support runtime permissions but the old" 14644 + " target SDK " + oldTargetSdk + " does."); 14645 return; 14646 } 14647 14648 // Prevent installing of child packages 14649 if (oldPackage.parentPackage != null) { 14650 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14651 "Package " + pkg.packageName + " is child of package " 14652 + oldPackage.parentPackage + ". Child packages " 14653 + "can be updated only through the parent package."); 14654 return; 14655 } 14656 } 14657 } 14658 14659 PackageSetting ps = mSettings.mPackages.get(pkgName); 14660 if (ps != null) { 14661 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14662 14663 // Quick sanity check that we're signed correctly if updating; 14664 // we'll check this again later when scanning, but we want to 14665 // bail early here before tripping over redefined permissions. 14666 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14667 if (!checkUpgradeKeySetLP(ps, pkg)) { 14668 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14669 + pkg.packageName + " upgrade keys do not match the " 14670 + "previously installed version"); 14671 return; 14672 } 14673 } else { 14674 try { 14675 verifySignaturesLP(ps, pkg); 14676 } catch (PackageManagerException e) { 14677 res.setError(e.error, e.getMessage()); 14678 return; 14679 } 14680 } 14681 14682 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14683 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14684 systemApp = (ps.pkg.applicationInfo.flags & 14685 ApplicationInfo.FLAG_SYSTEM) != 0; 14686 } 14687 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14688 } 14689 14690 // Check whether the newly-scanned package wants to define an already-defined perm 14691 int N = pkg.permissions.size(); 14692 for (int i = N-1; i >= 0; i--) { 14693 PackageParser.Permission perm = pkg.permissions.get(i); 14694 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14695 if (bp != null) { 14696 // If the defining package is signed with our cert, it's okay. This 14697 // also includes the "updating the same package" case, of course. 14698 // "updating same package" could also involve key-rotation. 14699 final boolean sigsOk; 14700 if (bp.sourcePackage.equals(pkg.packageName) 14701 && (bp.packageSetting instanceof PackageSetting) 14702 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14703 scanFlags))) { 14704 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14705 } else { 14706 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14707 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14708 } 14709 if (!sigsOk) { 14710 // If the owning package is the system itself, we log but allow 14711 // install to proceed; we fail the install on all other permission 14712 // redefinitions. 14713 if (!bp.sourcePackage.equals("android")) { 14714 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14715 + pkg.packageName + " attempting to redeclare permission " 14716 + perm.info.name + " already owned by " + bp.sourcePackage); 14717 res.origPermission = perm.info.name; 14718 res.origPackage = bp.sourcePackage; 14719 return; 14720 } else { 14721 Slog.w(TAG, "Package " + pkg.packageName 14722 + " attempting to redeclare system permission " 14723 + perm.info.name + "; ignoring new declaration"); 14724 pkg.permissions.remove(i); 14725 } 14726 } 14727 } 14728 } 14729 } 14730 14731 if (systemApp) { 14732 if (onExternal) { 14733 // Abort update; system app can't be replaced with app on sdcard 14734 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14735 "Cannot install updates to system apps on sdcard"); 14736 return; 14737 } else if (ephemeral) { 14738 // Abort update; system app can't be replaced with an ephemeral app 14739 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14740 "Cannot update a system app with an ephemeral app"); 14741 return; 14742 } 14743 } 14744 14745 if (args.move != null) { 14746 // We did an in-place move, so dex is ready to roll 14747 scanFlags |= SCAN_NO_DEX; 14748 scanFlags |= SCAN_MOVE; 14749 14750 synchronized (mPackages) { 14751 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14752 if (ps == null) { 14753 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14754 "Missing settings for moved package " + pkgName); 14755 } 14756 14757 // We moved the entire application as-is, so bring over the 14758 // previously derived ABI information. 14759 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14760 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14761 } 14762 14763 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14764 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14765 scanFlags |= SCAN_NO_DEX; 14766 14767 try { 14768 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14769 args.abiOverride : pkg.cpuAbiOverride); 14770 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14771 true /* extract libs */); 14772 } catch (PackageManagerException pme) { 14773 Slog.e(TAG, "Error deriving application ABI", pme); 14774 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14775 return; 14776 } 14777 14778 // Shared libraries for the package need to be updated. 14779 synchronized (mPackages) { 14780 try { 14781 updateSharedLibrariesLPw(pkg, null); 14782 } catch (PackageManagerException e) { 14783 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14784 } 14785 } 14786 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14787 // Do not run PackageDexOptimizer through the local performDexOpt 14788 // method because `pkg` is not in `mPackages` yet. 14789 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14790 null /* instructionSets */, false /* checkProfiles */, 14791 getCompilerFilterForReason(REASON_INSTALL)); 14792 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14793 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14794 String msg = "Extracting package failed for " + pkgName; 14795 res.setError(INSTALL_FAILED_DEXOPT, msg); 14796 return; 14797 } 14798 14799 // Notify BackgroundDexOptService that the package has been changed. 14800 // If this is an update of a package which used to fail to compile, 14801 // BDOS will remove it from its blacklist. 14802 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14803 } 14804 14805 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14806 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14807 return; 14808 } 14809 14810 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14811 14812 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14813 "installPackageLI")) { 14814 if (replace) { 14815 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14816 installerPackageName, res); 14817 } else { 14818 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14819 args.user, installerPackageName, volumeUuid, res); 14820 } 14821 } 14822 synchronized (mPackages) { 14823 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14824 if (ps != null) { 14825 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14826 } 14827 14828 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14829 for (int i = 0; i < childCount; i++) { 14830 PackageParser.Package childPkg = pkg.childPackages.get(i); 14831 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14832 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14833 if (childPs != null) { 14834 childRes.newUsers = childPs.queryInstalledUsers( 14835 sUserManager.getUserIds(), true); 14836 } 14837 } 14838 } 14839 } 14840 14841 private void startIntentFilterVerifications(int userId, boolean replacing, 14842 PackageParser.Package pkg) { 14843 if (mIntentFilterVerifierComponent == null) { 14844 Slog.w(TAG, "No IntentFilter verification will not be done as " 14845 + "there is no IntentFilterVerifier available!"); 14846 return; 14847 } 14848 14849 final int verifierUid = getPackageUid( 14850 mIntentFilterVerifierComponent.getPackageName(), 14851 MATCH_DEBUG_TRIAGED_MISSING, 14852 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14853 14854 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14855 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14856 mHandler.sendMessage(msg); 14857 14858 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14859 for (int i = 0; i < childCount; i++) { 14860 PackageParser.Package childPkg = pkg.childPackages.get(i); 14861 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14862 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14863 mHandler.sendMessage(msg); 14864 } 14865 } 14866 14867 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14868 PackageParser.Package pkg) { 14869 int size = pkg.activities.size(); 14870 if (size == 0) { 14871 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14872 "No activity, so no need to verify any IntentFilter!"); 14873 return; 14874 } 14875 14876 final boolean hasDomainURLs = hasDomainURLs(pkg); 14877 if (!hasDomainURLs) { 14878 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14879 "No domain URLs, so no need to verify any IntentFilter!"); 14880 return; 14881 } 14882 14883 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14884 + " if any IntentFilter from the " + size 14885 + " Activities needs verification ..."); 14886 14887 int count = 0; 14888 final String packageName = pkg.packageName; 14889 14890 synchronized (mPackages) { 14891 // If this is a new install and we see that we've already run verification for this 14892 // package, we have nothing to do: it means the state was restored from backup. 14893 if (!replacing) { 14894 IntentFilterVerificationInfo ivi = 14895 mSettings.getIntentFilterVerificationLPr(packageName); 14896 if (ivi != null) { 14897 if (DEBUG_DOMAIN_VERIFICATION) { 14898 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14899 + ivi.getStatusString()); 14900 } 14901 return; 14902 } 14903 } 14904 14905 // If any filters need to be verified, then all need to be. 14906 boolean needToVerify = false; 14907 for (PackageParser.Activity a : pkg.activities) { 14908 for (ActivityIntentInfo filter : a.intents) { 14909 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14910 if (DEBUG_DOMAIN_VERIFICATION) { 14911 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14912 } 14913 needToVerify = true; 14914 break; 14915 } 14916 } 14917 } 14918 14919 if (needToVerify) { 14920 final int verificationId = mIntentFilterVerificationToken++; 14921 for (PackageParser.Activity a : pkg.activities) { 14922 for (ActivityIntentInfo filter : a.intents) { 14923 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14924 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14925 "Verification needed for IntentFilter:" + filter.toString()); 14926 mIntentFilterVerifier.addOneIntentFilterVerification( 14927 verifierUid, userId, verificationId, filter, packageName); 14928 count++; 14929 } 14930 } 14931 } 14932 } 14933 } 14934 14935 if (count > 0) { 14936 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14937 + " IntentFilter verification" + (count > 1 ? "s" : "") 14938 + " for userId:" + userId); 14939 mIntentFilterVerifier.startVerifications(userId); 14940 } else { 14941 if (DEBUG_DOMAIN_VERIFICATION) { 14942 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14943 } 14944 } 14945 } 14946 14947 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14948 final ComponentName cn = filter.activity.getComponentName(); 14949 final String packageName = cn.getPackageName(); 14950 14951 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14952 packageName); 14953 if (ivi == null) { 14954 return true; 14955 } 14956 int status = ivi.getStatus(); 14957 switch (status) { 14958 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14959 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14960 return true; 14961 14962 default: 14963 // Nothing to do 14964 return false; 14965 } 14966 } 14967 14968 private static boolean isMultiArch(ApplicationInfo info) { 14969 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14970 } 14971 14972 private static boolean isExternal(PackageParser.Package pkg) { 14973 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14974 } 14975 14976 private static boolean isExternal(PackageSetting ps) { 14977 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14978 } 14979 14980 private static boolean isEphemeral(PackageParser.Package pkg) { 14981 return pkg.applicationInfo.isEphemeralApp(); 14982 } 14983 14984 private static boolean isEphemeral(PackageSetting ps) { 14985 return ps.pkg != null && isEphemeral(ps.pkg); 14986 } 14987 14988 private static boolean isSystemApp(PackageParser.Package pkg) { 14989 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14990 } 14991 14992 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14993 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14994 } 14995 14996 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14997 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14998 } 14999 15000 private static boolean isSystemApp(PackageSetting ps) { 15001 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15002 } 15003 15004 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15005 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15006 } 15007 15008 private int packageFlagsToInstallFlags(PackageSetting ps) { 15009 int installFlags = 0; 15010 if (isEphemeral(ps)) { 15011 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15012 } 15013 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15014 // This existing package was an external ASEC install when we have 15015 // the external flag without a UUID 15016 installFlags |= PackageManager.INSTALL_EXTERNAL; 15017 } 15018 if (ps.isForwardLocked()) { 15019 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15020 } 15021 return installFlags; 15022 } 15023 15024 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15025 if (isExternal(pkg)) { 15026 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15027 return StorageManager.UUID_PRIMARY_PHYSICAL; 15028 } else { 15029 return pkg.volumeUuid; 15030 } 15031 } else { 15032 return StorageManager.UUID_PRIVATE_INTERNAL; 15033 } 15034 } 15035 15036 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15037 if (isExternal(pkg)) { 15038 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15039 return mSettings.getExternalVersion(); 15040 } else { 15041 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15042 } 15043 } else { 15044 return mSettings.getInternalVersion(); 15045 } 15046 } 15047 15048 private void deleteTempPackageFiles() { 15049 final FilenameFilter filter = new FilenameFilter() { 15050 public boolean accept(File dir, String name) { 15051 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15052 } 15053 }; 15054 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15055 file.delete(); 15056 } 15057 } 15058 15059 @Override 15060 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15061 int flags) { 15062 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15063 flags); 15064 } 15065 15066 @Override 15067 public void deletePackage(final String packageName, 15068 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15069 mContext.enforceCallingOrSelfPermission( 15070 android.Manifest.permission.DELETE_PACKAGES, null); 15071 Preconditions.checkNotNull(packageName); 15072 Preconditions.checkNotNull(observer); 15073 final int uid = Binder.getCallingUid(); 15074 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15075 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15076 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15077 mContext.enforceCallingOrSelfPermission( 15078 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15079 "deletePackage for user " + userId); 15080 } 15081 15082 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15083 try { 15084 observer.onPackageDeleted(packageName, 15085 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15086 } catch (RemoteException re) { 15087 } 15088 return; 15089 } 15090 15091 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15092 try { 15093 observer.onPackageDeleted(packageName, 15094 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15095 } catch (RemoteException re) { 15096 } 15097 return; 15098 } 15099 15100 if (DEBUG_REMOVE) { 15101 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15102 + " deleteAllUsers: " + deleteAllUsers ); 15103 } 15104 // Queue up an async operation since the package deletion may take a little while. 15105 mHandler.post(new Runnable() { 15106 public void run() { 15107 mHandler.removeCallbacks(this); 15108 int returnCode; 15109 if (!deleteAllUsers) { 15110 returnCode = deletePackageX(packageName, userId, deleteFlags); 15111 } else { 15112 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15113 // If nobody is blocking uninstall, proceed with delete for all users 15114 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15115 returnCode = deletePackageX(packageName, userId, deleteFlags); 15116 } else { 15117 // Otherwise uninstall individually for users with blockUninstalls=false 15118 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15119 for (int userId : users) { 15120 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15121 returnCode = deletePackageX(packageName, userId, userFlags); 15122 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15123 Slog.w(TAG, "Package delete failed for user " + userId 15124 + ", returnCode " + returnCode); 15125 } 15126 } 15127 } 15128 // The app has only been marked uninstalled for certain users. 15129 // We still need to report that delete was blocked 15130 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15131 } 15132 } 15133 try { 15134 observer.onPackageDeleted(packageName, returnCode, null); 15135 } catch (RemoteException e) { 15136 Log.i(TAG, "Observer no longer exists."); 15137 } //end catch 15138 } //end run 15139 }); 15140 } 15141 15142 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15143 int[] result = EMPTY_INT_ARRAY; 15144 for (int userId : userIds) { 15145 if (getBlockUninstallForUser(packageName, userId)) { 15146 result = ArrayUtils.appendInt(result, userId); 15147 } 15148 } 15149 return result; 15150 } 15151 15152 @Override 15153 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15154 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15155 } 15156 15157 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15158 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15159 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15160 try { 15161 if (dpm != null) { 15162 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15163 /* callingUserOnly =*/ false); 15164 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15165 : deviceOwnerComponentName.getPackageName(); 15166 // Does the package contains the device owner? 15167 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15168 // this check is probably not needed, since DO should be registered as a device 15169 // admin on some user too. (Original bug for this: b/17657954) 15170 if (packageName.equals(deviceOwnerPackageName)) { 15171 return true; 15172 } 15173 // Does it contain a device admin for any user? 15174 int[] users; 15175 if (userId == UserHandle.USER_ALL) { 15176 users = sUserManager.getUserIds(); 15177 } else { 15178 users = new int[]{userId}; 15179 } 15180 for (int i = 0; i < users.length; ++i) { 15181 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15182 return true; 15183 } 15184 } 15185 } 15186 } catch (RemoteException e) { 15187 } 15188 return false; 15189 } 15190 15191 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15192 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15193 } 15194 15195 /** 15196 * This method is an internal method that could be get invoked either 15197 * to delete an installed package or to clean up a failed installation. 15198 * After deleting an installed package, a broadcast is sent to notify any 15199 * listeners that the package has been removed. For cleaning up a failed 15200 * installation, the broadcast is not necessary since the package's 15201 * installation wouldn't have sent the initial broadcast either 15202 * The key steps in deleting a package are 15203 * deleting the package information in internal structures like mPackages, 15204 * deleting the packages base directories through installd 15205 * updating mSettings to reflect current status 15206 * persisting settings for later use 15207 * sending a broadcast if necessary 15208 */ 15209 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15210 final PackageRemovedInfo info = new PackageRemovedInfo(); 15211 final boolean res; 15212 15213 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15214 ? UserHandle.ALL : new UserHandle(userId); 15215 15216 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15217 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15218 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15219 } 15220 15221 PackageSetting uninstalledPs = null; 15222 15223 // for the uninstall-updates case and restricted profiles, remember the per- 15224 // user handle installed state 15225 int[] allUsers; 15226 synchronized (mPackages) { 15227 uninstalledPs = mSettings.mPackages.get(packageName); 15228 if (uninstalledPs == null) { 15229 Slog.w(TAG, "Not removing non-existent package " + packageName); 15230 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15231 } 15232 allUsers = sUserManager.getUserIds(); 15233 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15234 } 15235 15236 synchronized (mInstallLock) { 15237 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15238 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15239 "deletePackageX")) { 15240 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15241 deleteFlags | REMOVE_CHATTY, info, true, null); 15242 } 15243 synchronized (mPackages) { 15244 if (res) { 15245 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15246 } 15247 } 15248 } 15249 15250 if (res) { 15251 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15252 info.sendPackageRemovedBroadcasts(killApp); 15253 info.sendSystemPackageUpdatedBroadcasts(); 15254 info.sendSystemPackageAppearedBroadcasts(); 15255 } 15256 // Force a gc here. 15257 Runtime.getRuntime().gc(); 15258 // Delete the resources here after sending the broadcast to let 15259 // other processes clean up before deleting resources. 15260 if (info.args != null) { 15261 synchronized (mInstallLock) { 15262 info.args.doPostDeleteLI(true); 15263 } 15264 } 15265 15266 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15267 } 15268 15269 class PackageRemovedInfo { 15270 String removedPackage; 15271 int uid = -1; 15272 int removedAppId = -1; 15273 int[] origUsers; 15274 int[] removedUsers = null; 15275 boolean isRemovedPackageSystemUpdate = false; 15276 boolean isUpdate; 15277 boolean dataRemoved; 15278 boolean removedForAllUsers; 15279 // Clean up resources deleted packages. 15280 InstallArgs args = null; 15281 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15282 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15283 15284 void sendPackageRemovedBroadcasts(boolean killApp) { 15285 sendPackageRemovedBroadcastInternal(killApp); 15286 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15287 for (int i = 0; i < childCount; i++) { 15288 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15289 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15290 } 15291 } 15292 15293 void sendSystemPackageUpdatedBroadcasts() { 15294 if (isRemovedPackageSystemUpdate) { 15295 sendSystemPackageUpdatedBroadcastsInternal(); 15296 final int childCount = (removedChildPackages != null) 15297 ? removedChildPackages.size() : 0; 15298 for (int i = 0; i < childCount; i++) { 15299 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15300 if (childInfo.isRemovedPackageSystemUpdate) { 15301 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15302 } 15303 } 15304 } 15305 } 15306 15307 void sendSystemPackageAppearedBroadcasts() { 15308 final int packageCount = (appearedChildPackages != null) 15309 ? appearedChildPackages.size() : 0; 15310 for (int i = 0; i < packageCount; i++) { 15311 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15312 for (int userId : installedInfo.newUsers) { 15313 sendPackageAddedForUser(installedInfo.name, true, 15314 UserHandle.getAppId(installedInfo.uid), userId); 15315 } 15316 } 15317 } 15318 15319 private void sendSystemPackageUpdatedBroadcastsInternal() { 15320 Bundle extras = new Bundle(2); 15321 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15322 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15323 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15324 extras, 0, null, null, null); 15325 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15326 extras, 0, null, null, null); 15327 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15328 null, 0, removedPackage, null, null); 15329 } 15330 15331 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15332 Bundle extras = new Bundle(2); 15333 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15334 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15335 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15336 if (isUpdate || isRemovedPackageSystemUpdate) { 15337 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15338 } 15339 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15340 if (removedPackage != null) { 15341 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15342 extras, 0, null, null, removedUsers); 15343 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15344 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15345 removedPackage, extras, 0, null, null, removedUsers); 15346 } 15347 } 15348 if (removedAppId >= 0) { 15349 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15350 removedUsers); 15351 } 15352 } 15353 } 15354 15355 /* 15356 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15357 * flag is not set, the data directory is removed as well. 15358 * make sure this flag is set for partially installed apps. If not its meaningless to 15359 * delete a partially installed application. 15360 */ 15361 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15362 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15363 String packageName = ps.name; 15364 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15365 // Retrieve object to delete permissions for shared user later on 15366 final PackageParser.Package deletedPkg; 15367 final PackageSetting deletedPs; 15368 // reader 15369 synchronized (mPackages) { 15370 deletedPkg = mPackages.get(packageName); 15371 deletedPs = mSettings.mPackages.get(packageName); 15372 if (outInfo != null) { 15373 outInfo.removedPackage = packageName; 15374 outInfo.removedUsers = deletedPs != null 15375 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15376 : null; 15377 } 15378 } 15379 15380 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15381 15382 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15383 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15384 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15385 destroyAppProfilesLIF(deletedPkg); 15386 if (outInfo != null) { 15387 outInfo.dataRemoved = true; 15388 } 15389 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15390 } 15391 15392 // writer 15393 synchronized (mPackages) { 15394 if (deletedPs != null) { 15395 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15396 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15397 clearDefaultBrowserIfNeeded(packageName); 15398 if (outInfo != null) { 15399 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15400 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15401 } 15402 updatePermissionsLPw(deletedPs.name, null, 0); 15403 if (deletedPs.sharedUser != null) { 15404 // Remove permissions associated with package. Since runtime 15405 // permissions are per user we have to kill the removed package 15406 // or packages running under the shared user of the removed 15407 // package if revoking the permissions requested only by the removed 15408 // package is successful and this causes a change in gids. 15409 for (int userId : UserManagerService.getInstance().getUserIds()) { 15410 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15411 userId); 15412 if (userIdToKill == UserHandle.USER_ALL 15413 || userIdToKill >= UserHandle.USER_SYSTEM) { 15414 // If gids changed for this user, kill all affected packages. 15415 mHandler.post(new Runnable() { 15416 @Override 15417 public void run() { 15418 // This has to happen with no lock held. 15419 killApplication(deletedPs.name, deletedPs.appId, 15420 KILL_APP_REASON_GIDS_CHANGED); 15421 } 15422 }); 15423 break; 15424 } 15425 } 15426 } 15427 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15428 } 15429 // make sure to preserve per-user disabled state if this removal was just 15430 // a downgrade of a system app to the factory package 15431 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15432 if (DEBUG_REMOVE) { 15433 Slog.d(TAG, "Propagating install state across downgrade"); 15434 } 15435 for (int userId : allUserHandles) { 15436 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15437 if (DEBUG_REMOVE) { 15438 Slog.d(TAG, " user " + userId + " => " + installed); 15439 } 15440 ps.setInstalled(installed, userId); 15441 } 15442 } 15443 } 15444 // can downgrade to reader 15445 if (writeSettings) { 15446 // Save settings now 15447 mSettings.writeLPr(); 15448 } 15449 } 15450 if (outInfo != null) { 15451 // A user ID was deleted here. Go through all users and remove it 15452 // from KeyStore. 15453 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15454 } 15455 } 15456 15457 static boolean locationIsPrivileged(File path) { 15458 try { 15459 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15460 .getCanonicalPath(); 15461 return path.getCanonicalPath().startsWith(privilegedAppDir); 15462 } catch (IOException e) { 15463 Slog.e(TAG, "Unable to access code path " + path); 15464 } 15465 return false; 15466 } 15467 15468 /* 15469 * Tries to delete system package. 15470 */ 15471 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15472 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15473 boolean writeSettings) { 15474 if (deletedPs.parentPackageName != null) { 15475 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15476 return false; 15477 } 15478 15479 final boolean applyUserRestrictions 15480 = (allUserHandles != null) && (outInfo.origUsers != null); 15481 final PackageSetting disabledPs; 15482 // Confirm if the system package has been updated 15483 // An updated system app can be deleted. This will also have to restore 15484 // the system pkg from system partition 15485 // reader 15486 synchronized (mPackages) { 15487 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15488 } 15489 15490 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15491 + " disabledPs=" + disabledPs); 15492 15493 if (disabledPs == null) { 15494 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15495 return false; 15496 } else if (DEBUG_REMOVE) { 15497 Slog.d(TAG, "Deleting system pkg from data partition"); 15498 } 15499 15500 if (DEBUG_REMOVE) { 15501 if (applyUserRestrictions) { 15502 Slog.d(TAG, "Remembering install states:"); 15503 for (int userId : allUserHandles) { 15504 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15505 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15506 } 15507 } 15508 } 15509 15510 // Delete the updated package 15511 outInfo.isRemovedPackageSystemUpdate = true; 15512 if (outInfo.removedChildPackages != null) { 15513 final int childCount = (deletedPs.childPackageNames != null) 15514 ? deletedPs.childPackageNames.size() : 0; 15515 for (int i = 0; i < childCount; i++) { 15516 String childPackageName = deletedPs.childPackageNames.get(i); 15517 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15518 .contains(childPackageName)) { 15519 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15520 childPackageName); 15521 if (childInfo != null) { 15522 childInfo.isRemovedPackageSystemUpdate = true; 15523 } 15524 } 15525 } 15526 } 15527 15528 if (disabledPs.versionCode < deletedPs.versionCode) { 15529 // Delete data for downgrades 15530 flags &= ~PackageManager.DELETE_KEEP_DATA; 15531 } else { 15532 // Preserve data by setting flag 15533 flags |= PackageManager.DELETE_KEEP_DATA; 15534 } 15535 15536 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15537 outInfo, writeSettings, disabledPs.pkg); 15538 if (!ret) { 15539 return false; 15540 } 15541 15542 // writer 15543 synchronized (mPackages) { 15544 // Reinstate the old system package 15545 enableSystemPackageLPw(disabledPs.pkg); 15546 // Remove any native libraries from the upgraded package. 15547 removeNativeBinariesLI(deletedPs); 15548 } 15549 15550 // Install the system package 15551 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15552 int parseFlags = mDefParseFlags 15553 | PackageParser.PARSE_MUST_BE_APK 15554 | PackageParser.PARSE_IS_SYSTEM 15555 | PackageParser.PARSE_IS_SYSTEM_DIR; 15556 if (locationIsPrivileged(disabledPs.codePath)) { 15557 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15558 } 15559 15560 final PackageParser.Package newPkg; 15561 try { 15562 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15563 } catch (PackageManagerException e) { 15564 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15565 + e.getMessage()); 15566 return false; 15567 } 15568 15569 prepareAppDataAfterInstallLIF(newPkg); 15570 15571 // writer 15572 synchronized (mPackages) { 15573 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15574 15575 // Propagate the permissions state as we do not want to drop on the floor 15576 // runtime permissions. The update permissions method below will take 15577 // care of removing obsolete permissions and grant install permissions. 15578 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15579 updatePermissionsLPw(newPkg.packageName, newPkg, 15580 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15581 15582 if (applyUserRestrictions) { 15583 if (DEBUG_REMOVE) { 15584 Slog.d(TAG, "Propagating install state across reinstall"); 15585 } 15586 for (int userId : allUserHandles) { 15587 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15588 if (DEBUG_REMOVE) { 15589 Slog.d(TAG, " user " + userId + " => " + installed); 15590 } 15591 ps.setInstalled(installed, userId); 15592 15593 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15594 } 15595 // Regardless of writeSettings we need to ensure that this restriction 15596 // state propagation is persisted 15597 mSettings.writeAllUsersPackageRestrictionsLPr(); 15598 } 15599 // can downgrade to reader here 15600 if (writeSettings) { 15601 mSettings.writeLPr(); 15602 } 15603 } 15604 return true; 15605 } 15606 15607 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15608 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15609 PackageRemovedInfo outInfo, boolean writeSettings, 15610 PackageParser.Package replacingPackage) { 15611 synchronized (mPackages) { 15612 if (outInfo != null) { 15613 outInfo.uid = ps.appId; 15614 } 15615 15616 if (outInfo != null && outInfo.removedChildPackages != null) { 15617 final int childCount = (ps.childPackageNames != null) 15618 ? ps.childPackageNames.size() : 0; 15619 for (int i = 0; i < childCount; i++) { 15620 String childPackageName = ps.childPackageNames.get(i); 15621 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15622 if (childPs == null) { 15623 return false; 15624 } 15625 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15626 childPackageName); 15627 if (childInfo != null) { 15628 childInfo.uid = childPs.appId; 15629 } 15630 } 15631 } 15632 } 15633 15634 // Delete package data from internal structures and also remove data if flag is set 15635 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15636 15637 // Delete the child packages data 15638 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15639 for (int i = 0; i < childCount; i++) { 15640 PackageSetting childPs; 15641 synchronized (mPackages) { 15642 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15643 } 15644 if (childPs != null) { 15645 PackageRemovedInfo childOutInfo = (outInfo != null 15646 && outInfo.removedChildPackages != null) 15647 ? outInfo.removedChildPackages.get(childPs.name) : null; 15648 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15649 && (replacingPackage != null 15650 && !replacingPackage.hasChildPackage(childPs.name)) 15651 ? flags & ~DELETE_KEEP_DATA : flags; 15652 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15653 deleteFlags, writeSettings); 15654 } 15655 } 15656 15657 // Delete application code and resources only for parent packages 15658 if (ps.parentPackageName == null) { 15659 if (deleteCodeAndResources && (outInfo != null)) { 15660 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15661 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15662 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15663 } 15664 } 15665 15666 return true; 15667 } 15668 15669 @Override 15670 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15671 int userId) { 15672 mContext.enforceCallingOrSelfPermission( 15673 android.Manifest.permission.DELETE_PACKAGES, null); 15674 synchronized (mPackages) { 15675 PackageSetting ps = mSettings.mPackages.get(packageName); 15676 if (ps == null) { 15677 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15678 return false; 15679 } 15680 if (!ps.getInstalled(userId)) { 15681 // Can't block uninstall for an app that is not installed or enabled. 15682 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15683 return false; 15684 } 15685 ps.setBlockUninstall(blockUninstall, userId); 15686 mSettings.writePackageRestrictionsLPr(userId); 15687 } 15688 return true; 15689 } 15690 15691 @Override 15692 public boolean getBlockUninstallForUser(String packageName, int userId) { 15693 synchronized (mPackages) { 15694 PackageSetting ps = mSettings.mPackages.get(packageName); 15695 if (ps == null) { 15696 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15697 return false; 15698 } 15699 return ps.getBlockUninstall(userId); 15700 } 15701 } 15702 15703 @Override 15704 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15705 int callingUid = Binder.getCallingUid(); 15706 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15707 throw new SecurityException( 15708 "setRequiredForSystemUser can only be run by the system or root"); 15709 } 15710 synchronized (mPackages) { 15711 PackageSetting ps = mSettings.mPackages.get(packageName); 15712 if (ps == null) { 15713 Log.w(TAG, "Package doesn't exist: " + packageName); 15714 return false; 15715 } 15716 if (systemUserApp) { 15717 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15718 } else { 15719 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15720 } 15721 mSettings.writeLPr(); 15722 } 15723 return true; 15724 } 15725 15726 /* 15727 * This method handles package deletion in general 15728 */ 15729 private boolean deletePackageLIF(String packageName, UserHandle user, 15730 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15731 PackageRemovedInfo outInfo, boolean writeSettings, 15732 PackageParser.Package replacingPackage) { 15733 if (packageName == null) { 15734 Slog.w(TAG, "Attempt to delete null packageName."); 15735 return false; 15736 } 15737 15738 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15739 15740 PackageSetting ps; 15741 15742 synchronized (mPackages) { 15743 ps = mSettings.mPackages.get(packageName); 15744 if (ps == null) { 15745 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15746 return false; 15747 } 15748 15749 if (ps.parentPackageName != null && (!isSystemApp(ps) 15750 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15751 if (DEBUG_REMOVE) { 15752 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15753 + ((user == null) ? UserHandle.USER_ALL : user)); 15754 } 15755 final int removedUserId = (user != null) ? user.getIdentifier() 15756 : UserHandle.USER_ALL; 15757 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15758 return false; 15759 } 15760 markPackageUninstalledForUserLPw(ps, user); 15761 scheduleWritePackageRestrictionsLocked(user); 15762 return true; 15763 } 15764 } 15765 15766 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15767 && user.getIdentifier() != UserHandle.USER_ALL)) { 15768 // The caller is asking that the package only be deleted for a single 15769 // user. To do this, we just mark its uninstalled state and delete 15770 // its data. If this is a system app, we only allow this to happen if 15771 // they have set the special DELETE_SYSTEM_APP which requests different 15772 // semantics than normal for uninstalling system apps. 15773 markPackageUninstalledForUserLPw(ps, user); 15774 15775 if (!isSystemApp(ps)) { 15776 // Do not uninstall the APK if an app should be cached 15777 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15778 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15779 // Other user still have this package installed, so all 15780 // we need to do is clear this user's data and save that 15781 // it is uninstalled. 15782 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15783 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15784 return false; 15785 } 15786 scheduleWritePackageRestrictionsLocked(user); 15787 return true; 15788 } else { 15789 // We need to set it back to 'installed' so the uninstall 15790 // broadcasts will be sent correctly. 15791 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15792 ps.setInstalled(true, user.getIdentifier()); 15793 } 15794 } else { 15795 // This is a system app, so we assume that the 15796 // other users still have this package installed, so all 15797 // we need to do is clear this user's data and save that 15798 // it is uninstalled. 15799 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15800 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15801 return false; 15802 } 15803 scheduleWritePackageRestrictionsLocked(user); 15804 return true; 15805 } 15806 } 15807 15808 // If we are deleting a composite package for all users, keep track 15809 // of result for each child. 15810 if (ps.childPackageNames != null && outInfo != null) { 15811 synchronized (mPackages) { 15812 final int childCount = ps.childPackageNames.size(); 15813 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15814 for (int i = 0; i < childCount; i++) { 15815 String childPackageName = ps.childPackageNames.get(i); 15816 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15817 childInfo.removedPackage = childPackageName; 15818 outInfo.removedChildPackages.put(childPackageName, childInfo); 15819 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15820 if (childPs != null) { 15821 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15822 } 15823 } 15824 } 15825 } 15826 15827 boolean ret = false; 15828 if (isSystemApp(ps)) { 15829 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15830 // When an updated system application is deleted we delete the existing resources 15831 // as well and fall back to existing code in system partition 15832 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15833 } else { 15834 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15835 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15836 outInfo, writeSettings, replacingPackage); 15837 } 15838 15839 // Take a note whether we deleted the package for all users 15840 if (outInfo != null) { 15841 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15842 if (outInfo.removedChildPackages != null) { 15843 synchronized (mPackages) { 15844 final int childCount = outInfo.removedChildPackages.size(); 15845 for (int i = 0; i < childCount; i++) { 15846 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15847 if (childInfo != null) { 15848 childInfo.removedForAllUsers = mPackages.get( 15849 childInfo.removedPackage) == null; 15850 } 15851 } 15852 } 15853 } 15854 // If we uninstalled an update to a system app there may be some 15855 // child packages that appeared as they are declared in the system 15856 // app but were not declared in the update. 15857 if (isSystemApp(ps)) { 15858 synchronized (mPackages) { 15859 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15860 final int childCount = (updatedPs.childPackageNames != null) 15861 ? updatedPs.childPackageNames.size() : 0; 15862 for (int i = 0; i < childCount; i++) { 15863 String childPackageName = updatedPs.childPackageNames.get(i); 15864 if (outInfo.removedChildPackages == null 15865 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15866 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15867 if (childPs == null) { 15868 continue; 15869 } 15870 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15871 installRes.name = childPackageName; 15872 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15873 installRes.pkg = mPackages.get(childPackageName); 15874 installRes.uid = childPs.pkg.applicationInfo.uid; 15875 if (outInfo.appearedChildPackages == null) { 15876 outInfo.appearedChildPackages = new ArrayMap<>(); 15877 } 15878 outInfo.appearedChildPackages.put(childPackageName, installRes); 15879 } 15880 } 15881 } 15882 } 15883 } 15884 15885 return ret; 15886 } 15887 15888 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15889 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15890 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15891 for (int nextUserId : userIds) { 15892 if (DEBUG_REMOVE) { 15893 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15894 } 15895 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15896 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15897 false /*hidden*/, false /*suspended*/, null, null, null, 15898 false /*blockUninstall*/, 15899 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15900 } 15901 } 15902 15903 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15904 PackageRemovedInfo outInfo) { 15905 final PackageParser.Package pkg; 15906 synchronized (mPackages) { 15907 pkg = mPackages.get(ps.name); 15908 } 15909 15910 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15911 : new int[] {userId}; 15912 for (int nextUserId : userIds) { 15913 if (DEBUG_REMOVE) { 15914 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15915 + nextUserId); 15916 } 15917 15918 destroyAppDataLIF(pkg, userId, 15919 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15920 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15921 schedulePackageCleaning(ps.name, nextUserId, false); 15922 synchronized (mPackages) { 15923 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15924 scheduleWritePackageRestrictionsLocked(nextUserId); 15925 } 15926 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15927 } 15928 } 15929 15930 if (outInfo != null) { 15931 outInfo.removedPackage = ps.name; 15932 outInfo.removedAppId = ps.appId; 15933 outInfo.removedUsers = userIds; 15934 } 15935 15936 return true; 15937 } 15938 15939 private final class ClearStorageConnection implements ServiceConnection { 15940 IMediaContainerService mContainerService; 15941 15942 @Override 15943 public void onServiceConnected(ComponentName name, IBinder service) { 15944 synchronized (this) { 15945 mContainerService = IMediaContainerService.Stub.asInterface(service); 15946 notifyAll(); 15947 } 15948 } 15949 15950 @Override 15951 public void onServiceDisconnected(ComponentName name) { 15952 } 15953 } 15954 15955 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15956 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15957 15958 final boolean mounted; 15959 if (Environment.isExternalStorageEmulated()) { 15960 mounted = true; 15961 } else { 15962 final String status = Environment.getExternalStorageState(); 15963 15964 mounted = status.equals(Environment.MEDIA_MOUNTED) 15965 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15966 } 15967 15968 if (!mounted) { 15969 return; 15970 } 15971 15972 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15973 int[] users; 15974 if (userId == UserHandle.USER_ALL) { 15975 users = sUserManager.getUserIds(); 15976 } else { 15977 users = new int[] { userId }; 15978 } 15979 final ClearStorageConnection conn = new ClearStorageConnection(); 15980 if (mContext.bindServiceAsUser( 15981 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15982 try { 15983 for (int curUser : users) { 15984 long timeout = SystemClock.uptimeMillis() + 5000; 15985 synchronized (conn) { 15986 long now = SystemClock.uptimeMillis(); 15987 while (conn.mContainerService == null && now < timeout) { 15988 try { 15989 conn.wait(timeout - now); 15990 } catch (InterruptedException e) { 15991 } 15992 } 15993 } 15994 if (conn.mContainerService == null) { 15995 return; 15996 } 15997 15998 final UserEnvironment userEnv = new UserEnvironment(curUser); 15999 clearDirectory(conn.mContainerService, 16000 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16001 if (allData) { 16002 clearDirectory(conn.mContainerService, 16003 userEnv.buildExternalStorageAppDataDirs(packageName)); 16004 clearDirectory(conn.mContainerService, 16005 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16006 } 16007 } 16008 } finally { 16009 mContext.unbindService(conn); 16010 } 16011 } 16012 } 16013 16014 @Override 16015 public void clearApplicationProfileData(String packageName) { 16016 enforceSystemOrRoot("Only the system can clear all profile data"); 16017 16018 final PackageParser.Package pkg; 16019 synchronized (mPackages) { 16020 pkg = mPackages.get(packageName); 16021 } 16022 16023 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16024 synchronized (mInstallLock) { 16025 clearAppProfilesLIF(pkg); 16026 } 16027 } 16028 } 16029 16030 @Override 16031 public void clearApplicationUserData(final String packageName, 16032 final IPackageDataObserver observer, final int userId) { 16033 mContext.enforceCallingOrSelfPermission( 16034 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16035 16036 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16037 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16038 16039 final DevicePolicyManagerInternal dpmi = LocalServices 16040 .getService(DevicePolicyManagerInternal.class); 16041 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16042 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16043 } 16044 // Queue up an async operation since the package deletion may take a little while. 16045 mHandler.post(new Runnable() { 16046 public void run() { 16047 mHandler.removeCallbacks(this); 16048 final boolean succeeded; 16049 try (PackageFreezer freezer = freezePackage(packageName, 16050 "clearApplicationUserData")) { 16051 synchronized (mInstallLock) { 16052 succeeded = clearApplicationUserDataLIF(packageName, userId); 16053 } 16054 clearExternalStorageDataSync(packageName, userId, true); 16055 } 16056 if (succeeded) { 16057 // invoke DeviceStorageMonitor's update method to clear any notifications 16058 DeviceStorageMonitorInternal dsm = LocalServices 16059 .getService(DeviceStorageMonitorInternal.class); 16060 if (dsm != null) { 16061 dsm.checkMemory(); 16062 } 16063 } 16064 if(observer != null) { 16065 try { 16066 observer.onRemoveCompleted(packageName, succeeded); 16067 } catch (RemoteException e) { 16068 Log.i(TAG, "Observer no longer exists."); 16069 } 16070 } //end if observer 16071 } //end run 16072 }); 16073 } 16074 16075 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16076 if (packageName == null) { 16077 Slog.w(TAG, "Attempt to delete null packageName."); 16078 return false; 16079 } 16080 16081 // Try finding details about the requested package 16082 PackageParser.Package pkg; 16083 synchronized (mPackages) { 16084 pkg = mPackages.get(packageName); 16085 if (pkg == null) { 16086 final PackageSetting ps = mSettings.mPackages.get(packageName); 16087 if (ps != null) { 16088 pkg = ps.pkg; 16089 } 16090 } 16091 16092 if (pkg == null) { 16093 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16094 return false; 16095 } 16096 16097 PackageSetting ps = (PackageSetting) pkg.mExtras; 16098 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16099 } 16100 16101 clearAppDataLIF(pkg, userId, 16102 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16103 16104 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16105 removeKeystoreDataIfNeeded(userId, appId); 16106 16107 final UserManager um = mContext.getSystemService(UserManager.class); 16108 final int flags; 16109 if (um.isUserUnlocked(userId)) { 16110 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16111 } else if (um.isUserRunning(userId)) { 16112 flags = StorageManager.FLAG_STORAGE_DE; 16113 } else { 16114 flags = 0; 16115 } 16116 prepareAppDataContentsLIF(pkg, userId, flags); 16117 16118 return true; 16119 } 16120 16121 /** 16122 * Reverts user permission state changes (permissions and flags) in 16123 * all packages for a given user. 16124 * 16125 * @param userId The device user for which to do a reset. 16126 */ 16127 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16128 final int packageCount = mPackages.size(); 16129 for (int i = 0; i < packageCount; i++) { 16130 PackageParser.Package pkg = mPackages.valueAt(i); 16131 PackageSetting ps = (PackageSetting) pkg.mExtras; 16132 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16133 } 16134 } 16135 16136 /** 16137 * Reverts user permission state changes (permissions and flags). 16138 * 16139 * @param ps The package for which to reset. 16140 * @param userId The device user for which to do a reset. 16141 */ 16142 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16143 final PackageSetting ps, final int userId) { 16144 if (ps.pkg == null) { 16145 return; 16146 } 16147 16148 // These are flags that can change base on user actions. 16149 final int userSettableMask = FLAG_PERMISSION_USER_SET 16150 | FLAG_PERMISSION_USER_FIXED 16151 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16152 | FLAG_PERMISSION_REVIEW_REQUIRED; 16153 16154 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16155 | FLAG_PERMISSION_POLICY_FIXED; 16156 16157 boolean writeInstallPermissions = false; 16158 boolean writeRuntimePermissions = false; 16159 16160 final int permissionCount = ps.pkg.requestedPermissions.size(); 16161 for (int i = 0; i < permissionCount; i++) { 16162 String permission = ps.pkg.requestedPermissions.get(i); 16163 16164 BasePermission bp = mSettings.mPermissions.get(permission); 16165 if (bp == null) { 16166 continue; 16167 } 16168 16169 // If shared user we just reset the state to which only this app contributed. 16170 if (ps.sharedUser != null) { 16171 boolean used = false; 16172 final int packageCount = ps.sharedUser.packages.size(); 16173 for (int j = 0; j < packageCount; j++) { 16174 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16175 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16176 && pkg.pkg.requestedPermissions.contains(permission)) { 16177 used = true; 16178 break; 16179 } 16180 } 16181 if (used) { 16182 continue; 16183 } 16184 } 16185 16186 PermissionsState permissionsState = ps.getPermissionsState(); 16187 16188 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16189 16190 // Always clear the user settable flags. 16191 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16192 bp.name) != null; 16193 // If permission review is enabled and this is a legacy app, mark the 16194 // permission as requiring a review as this is the initial state. 16195 int flags = 0; 16196 if (Build.PERMISSIONS_REVIEW_REQUIRED 16197 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16198 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16199 } 16200 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16201 if (hasInstallState) { 16202 writeInstallPermissions = true; 16203 } else { 16204 writeRuntimePermissions = true; 16205 } 16206 } 16207 16208 // Below is only runtime permission handling. 16209 if (!bp.isRuntime()) { 16210 continue; 16211 } 16212 16213 // Never clobber system or policy. 16214 if ((oldFlags & policyOrSystemFlags) != 0) { 16215 continue; 16216 } 16217 16218 // If this permission was granted by default, make sure it is. 16219 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16220 if (permissionsState.grantRuntimePermission(bp, userId) 16221 != PERMISSION_OPERATION_FAILURE) { 16222 writeRuntimePermissions = true; 16223 } 16224 // If permission review is enabled the permissions for a legacy apps 16225 // are represented as constantly granted runtime ones, so don't revoke. 16226 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16227 // Otherwise, reset the permission. 16228 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16229 switch (revokeResult) { 16230 case PERMISSION_OPERATION_SUCCESS: 16231 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16232 writeRuntimePermissions = true; 16233 final int appId = ps.appId; 16234 mHandler.post(new Runnable() { 16235 @Override 16236 public void run() { 16237 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16238 } 16239 }); 16240 } break; 16241 } 16242 } 16243 } 16244 16245 // Synchronously write as we are taking permissions away. 16246 if (writeRuntimePermissions) { 16247 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16248 } 16249 16250 // Synchronously write as we are taking permissions away. 16251 if (writeInstallPermissions) { 16252 mSettings.writeLPr(); 16253 } 16254 } 16255 16256 /** 16257 * Remove entries from the keystore daemon. Will only remove it if the 16258 * {@code appId} is valid. 16259 */ 16260 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16261 if (appId < 0) { 16262 return; 16263 } 16264 16265 final KeyStore keyStore = KeyStore.getInstance(); 16266 if (keyStore != null) { 16267 if (userId == UserHandle.USER_ALL) { 16268 for (final int individual : sUserManager.getUserIds()) { 16269 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16270 } 16271 } else { 16272 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16273 } 16274 } else { 16275 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16276 } 16277 } 16278 16279 @Override 16280 public void deleteApplicationCacheFiles(final String packageName, 16281 final IPackageDataObserver observer) { 16282 final int userId = UserHandle.getCallingUserId(); 16283 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16284 } 16285 16286 @Override 16287 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16288 final IPackageDataObserver observer) { 16289 mContext.enforceCallingOrSelfPermission( 16290 android.Manifest.permission.DELETE_CACHE_FILES, null); 16291 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16292 /* requireFullPermission= */ true, /* checkShell= */ false, 16293 "delete application cache files"); 16294 16295 final PackageParser.Package pkg; 16296 synchronized (mPackages) { 16297 pkg = mPackages.get(packageName); 16298 } 16299 16300 // Queue up an async operation since the package deletion may take a little while. 16301 mHandler.post(new Runnable() { 16302 public void run() { 16303 synchronized (mInstallLock) { 16304 final int flags = StorageManager.FLAG_STORAGE_DE 16305 | StorageManager.FLAG_STORAGE_CE; 16306 // We're only clearing cache files, so we don't care if the 16307 // app is unfrozen and still able to run 16308 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16309 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16310 } 16311 clearExternalStorageDataSync(packageName, userId, false); 16312 if (observer != null) { 16313 try { 16314 observer.onRemoveCompleted(packageName, true); 16315 } catch (RemoteException e) { 16316 Log.i(TAG, "Observer no longer exists."); 16317 } 16318 } 16319 } 16320 }); 16321 } 16322 16323 @Override 16324 public void getPackageSizeInfo(final String packageName, int userHandle, 16325 final IPackageStatsObserver observer) { 16326 mContext.enforceCallingOrSelfPermission( 16327 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16328 if (packageName == null) { 16329 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16330 } 16331 16332 PackageStats stats = new PackageStats(packageName, userHandle); 16333 16334 /* 16335 * Queue up an async operation since the package measurement may take a 16336 * little while. 16337 */ 16338 Message msg = mHandler.obtainMessage(INIT_COPY); 16339 msg.obj = new MeasureParams(stats, observer); 16340 mHandler.sendMessage(msg); 16341 } 16342 16343 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16344 final PackageSetting ps; 16345 synchronized (mPackages) { 16346 ps = mSettings.mPackages.get(packageName); 16347 if (ps == null) { 16348 Slog.w(TAG, "Failed to find settings for " + packageName); 16349 return false; 16350 } 16351 } 16352 try { 16353 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16354 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16355 ps.getCeDataInode(userId), ps.codePathString, stats); 16356 } catch (InstallerException e) { 16357 Slog.w(TAG, String.valueOf(e)); 16358 return false; 16359 } 16360 16361 // For now, ignore code size of packages on system partition 16362 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16363 stats.codeSize = 0; 16364 } 16365 16366 return true; 16367 } 16368 16369 private int getUidTargetSdkVersionLockedLPr(int uid) { 16370 Object obj = mSettings.getUserIdLPr(uid); 16371 if (obj instanceof SharedUserSetting) { 16372 final SharedUserSetting sus = (SharedUserSetting) obj; 16373 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16374 final Iterator<PackageSetting> it = sus.packages.iterator(); 16375 while (it.hasNext()) { 16376 final PackageSetting ps = it.next(); 16377 if (ps.pkg != null) { 16378 int v = ps.pkg.applicationInfo.targetSdkVersion; 16379 if (v < vers) vers = v; 16380 } 16381 } 16382 return vers; 16383 } else if (obj instanceof PackageSetting) { 16384 final PackageSetting ps = (PackageSetting) obj; 16385 if (ps.pkg != null) { 16386 return ps.pkg.applicationInfo.targetSdkVersion; 16387 } 16388 } 16389 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16390 } 16391 16392 @Override 16393 public void addPreferredActivity(IntentFilter filter, int match, 16394 ComponentName[] set, ComponentName activity, int userId) { 16395 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16396 "Adding preferred"); 16397 } 16398 16399 private void addPreferredActivityInternal(IntentFilter filter, int match, 16400 ComponentName[] set, ComponentName activity, boolean always, int userId, 16401 String opname) { 16402 // writer 16403 int callingUid = Binder.getCallingUid(); 16404 enforceCrossUserPermission(callingUid, userId, 16405 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16406 if (filter.countActions() == 0) { 16407 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16408 return; 16409 } 16410 synchronized (mPackages) { 16411 if (mContext.checkCallingOrSelfPermission( 16412 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16413 != PackageManager.PERMISSION_GRANTED) { 16414 if (getUidTargetSdkVersionLockedLPr(callingUid) 16415 < Build.VERSION_CODES.FROYO) { 16416 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16417 + callingUid); 16418 return; 16419 } 16420 mContext.enforceCallingOrSelfPermission( 16421 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16422 } 16423 16424 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16425 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16426 + userId + ":"); 16427 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16428 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16429 scheduleWritePackageRestrictionsLocked(userId); 16430 } 16431 } 16432 16433 @Override 16434 public void replacePreferredActivity(IntentFilter filter, int match, 16435 ComponentName[] set, ComponentName activity, int userId) { 16436 if (filter.countActions() != 1) { 16437 throw new IllegalArgumentException( 16438 "replacePreferredActivity expects filter to have only 1 action."); 16439 } 16440 if (filter.countDataAuthorities() != 0 16441 || filter.countDataPaths() != 0 16442 || filter.countDataSchemes() > 1 16443 || filter.countDataTypes() != 0) { 16444 throw new IllegalArgumentException( 16445 "replacePreferredActivity expects filter to have no data authorities, " + 16446 "paths, or types; and at most one scheme."); 16447 } 16448 16449 final int callingUid = Binder.getCallingUid(); 16450 enforceCrossUserPermission(callingUid, userId, 16451 true /* requireFullPermission */, false /* checkShell */, 16452 "replace preferred activity"); 16453 synchronized (mPackages) { 16454 if (mContext.checkCallingOrSelfPermission( 16455 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16456 != PackageManager.PERMISSION_GRANTED) { 16457 if (getUidTargetSdkVersionLockedLPr(callingUid) 16458 < Build.VERSION_CODES.FROYO) { 16459 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16460 + Binder.getCallingUid()); 16461 return; 16462 } 16463 mContext.enforceCallingOrSelfPermission( 16464 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16465 } 16466 16467 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16468 if (pir != null) { 16469 // Get all of the existing entries that exactly match this filter. 16470 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16471 if (existing != null && existing.size() == 1) { 16472 PreferredActivity cur = existing.get(0); 16473 if (DEBUG_PREFERRED) { 16474 Slog.i(TAG, "Checking replace of preferred:"); 16475 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16476 if (!cur.mPref.mAlways) { 16477 Slog.i(TAG, " -- CUR; not mAlways!"); 16478 } else { 16479 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16480 Slog.i(TAG, " -- CUR: mSet=" 16481 + Arrays.toString(cur.mPref.mSetComponents)); 16482 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16483 Slog.i(TAG, " -- NEW: mMatch=" 16484 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16485 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16486 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16487 } 16488 } 16489 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16490 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16491 && cur.mPref.sameSet(set)) { 16492 // Setting the preferred activity to what it happens to be already 16493 if (DEBUG_PREFERRED) { 16494 Slog.i(TAG, "Replacing with same preferred activity " 16495 + cur.mPref.mShortComponent + " for user " 16496 + userId + ":"); 16497 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16498 } 16499 return; 16500 } 16501 } 16502 16503 if (existing != null) { 16504 if (DEBUG_PREFERRED) { 16505 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16506 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16507 } 16508 for (int i = 0; i < existing.size(); i++) { 16509 PreferredActivity pa = existing.get(i); 16510 if (DEBUG_PREFERRED) { 16511 Slog.i(TAG, "Removing existing preferred activity " 16512 + pa.mPref.mComponent + ":"); 16513 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16514 } 16515 pir.removeFilter(pa); 16516 } 16517 } 16518 } 16519 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16520 "Replacing preferred"); 16521 } 16522 } 16523 16524 @Override 16525 public void clearPackagePreferredActivities(String packageName) { 16526 final int uid = Binder.getCallingUid(); 16527 // writer 16528 synchronized (mPackages) { 16529 PackageParser.Package pkg = mPackages.get(packageName); 16530 if (pkg == null || pkg.applicationInfo.uid != uid) { 16531 if (mContext.checkCallingOrSelfPermission( 16532 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16533 != PackageManager.PERMISSION_GRANTED) { 16534 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16535 < Build.VERSION_CODES.FROYO) { 16536 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16537 + Binder.getCallingUid()); 16538 return; 16539 } 16540 mContext.enforceCallingOrSelfPermission( 16541 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16542 } 16543 } 16544 16545 int user = UserHandle.getCallingUserId(); 16546 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16547 scheduleWritePackageRestrictionsLocked(user); 16548 } 16549 } 16550 } 16551 16552 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16553 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16554 ArrayList<PreferredActivity> removed = null; 16555 boolean changed = false; 16556 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16557 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16558 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16559 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16560 continue; 16561 } 16562 Iterator<PreferredActivity> it = pir.filterIterator(); 16563 while (it.hasNext()) { 16564 PreferredActivity pa = it.next(); 16565 // Mark entry for removal only if it matches the package name 16566 // and the entry is of type "always". 16567 if (packageName == null || 16568 (pa.mPref.mComponent.getPackageName().equals(packageName) 16569 && pa.mPref.mAlways)) { 16570 if (removed == null) { 16571 removed = new ArrayList<PreferredActivity>(); 16572 } 16573 removed.add(pa); 16574 } 16575 } 16576 if (removed != null) { 16577 for (int j=0; j<removed.size(); j++) { 16578 PreferredActivity pa = removed.get(j); 16579 pir.removeFilter(pa); 16580 } 16581 changed = true; 16582 } 16583 } 16584 return changed; 16585 } 16586 16587 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16588 private void clearIntentFilterVerificationsLPw(int userId) { 16589 final int packageCount = mPackages.size(); 16590 for (int i = 0; i < packageCount; i++) { 16591 PackageParser.Package pkg = mPackages.valueAt(i); 16592 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16593 } 16594 } 16595 16596 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16597 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16598 if (userId == UserHandle.USER_ALL) { 16599 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16600 sUserManager.getUserIds())) { 16601 for (int oneUserId : sUserManager.getUserIds()) { 16602 scheduleWritePackageRestrictionsLocked(oneUserId); 16603 } 16604 } 16605 } else { 16606 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16607 scheduleWritePackageRestrictionsLocked(userId); 16608 } 16609 } 16610 } 16611 16612 void clearDefaultBrowserIfNeeded(String packageName) { 16613 for (int oneUserId : sUserManager.getUserIds()) { 16614 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16615 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16616 if (packageName.equals(defaultBrowserPackageName)) { 16617 setDefaultBrowserPackageName(null, oneUserId); 16618 } 16619 } 16620 } 16621 16622 @Override 16623 public void resetApplicationPreferences(int userId) { 16624 mContext.enforceCallingOrSelfPermission( 16625 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16626 // writer 16627 synchronized (mPackages) { 16628 final long identity = Binder.clearCallingIdentity(); 16629 try { 16630 clearPackagePreferredActivitiesLPw(null, userId); 16631 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16632 // TODO: We have to reset the default SMS and Phone. This requires 16633 // significant refactoring to keep all default apps in the package 16634 // manager (cleaner but more work) or have the services provide 16635 // callbacks to the package manager to request a default app reset. 16636 applyFactoryDefaultBrowserLPw(userId); 16637 clearIntentFilterVerificationsLPw(userId); 16638 primeDomainVerificationsLPw(userId); 16639 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16640 scheduleWritePackageRestrictionsLocked(userId); 16641 } finally { 16642 Binder.restoreCallingIdentity(identity); 16643 } 16644 } 16645 } 16646 16647 @Override 16648 public int getPreferredActivities(List<IntentFilter> outFilters, 16649 List<ComponentName> outActivities, String packageName) { 16650 16651 int num = 0; 16652 final int userId = UserHandle.getCallingUserId(); 16653 // reader 16654 synchronized (mPackages) { 16655 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16656 if (pir != null) { 16657 final Iterator<PreferredActivity> it = pir.filterIterator(); 16658 while (it.hasNext()) { 16659 final PreferredActivity pa = it.next(); 16660 if (packageName == null 16661 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16662 && pa.mPref.mAlways)) { 16663 if (outFilters != null) { 16664 outFilters.add(new IntentFilter(pa)); 16665 } 16666 if (outActivities != null) { 16667 outActivities.add(pa.mPref.mComponent); 16668 } 16669 } 16670 } 16671 } 16672 } 16673 16674 return num; 16675 } 16676 16677 @Override 16678 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16679 int userId) { 16680 int callingUid = Binder.getCallingUid(); 16681 if (callingUid != Process.SYSTEM_UID) { 16682 throw new SecurityException( 16683 "addPersistentPreferredActivity can only be run by the system"); 16684 } 16685 if (filter.countActions() == 0) { 16686 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16687 return; 16688 } 16689 synchronized (mPackages) { 16690 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16691 ":"); 16692 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16693 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16694 new PersistentPreferredActivity(filter, activity)); 16695 scheduleWritePackageRestrictionsLocked(userId); 16696 } 16697 } 16698 16699 @Override 16700 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16701 int callingUid = Binder.getCallingUid(); 16702 if (callingUid != Process.SYSTEM_UID) { 16703 throw new SecurityException( 16704 "clearPackagePersistentPreferredActivities can only be run by the system"); 16705 } 16706 ArrayList<PersistentPreferredActivity> removed = null; 16707 boolean changed = false; 16708 synchronized (mPackages) { 16709 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16710 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16711 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16712 .valueAt(i); 16713 if (userId != thisUserId) { 16714 continue; 16715 } 16716 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16717 while (it.hasNext()) { 16718 PersistentPreferredActivity ppa = it.next(); 16719 // Mark entry for removal only if it matches the package name. 16720 if (ppa.mComponent.getPackageName().equals(packageName)) { 16721 if (removed == null) { 16722 removed = new ArrayList<PersistentPreferredActivity>(); 16723 } 16724 removed.add(ppa); 16725 } 16726 } 16727 if (removed != null) { 16728 for (int j=0; j<removed.size(); j++) { 16729 PersistentPreferredActivity ppa = removed.get(j); 16730 ppir.removeFilter(ppa); 16731 } 16732 changed = true; 16733 } 16734 } 16735 16736 if (changed) { 16737 scheduleWritePackageRestrictionsLocked(userId); 16738 } 16739 } 16740 } 16741 16742 /** 16743 * Common machinery for picking apart a restored XML blob and passing 16744 * it to a caller-supplied functor to be applied to the running system. 16745 */ 16746 private void restoreFromXml(XmlPullParser parser, int userId, 16747 String expectedStartTag, BlobXmlRestorer functor) 16748 throws IOException, XmlPullParserException { 16749 int type; 16750 while ((type = parser.next()) != XmlPullParser.START_TAG 16751 && type != XmlPullParser.END_DOCUMENT) { 16752 } 16753 if (type != XmlPullParser.START_TAG) { 16754 // oops didn't find a start tag?! 16755 if (DEBUG_BACKUP) { 16756 Slog.e(TAG, "Didn't find start tag during restore"); 16757 } 16758 return; 16759 } 16760Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16761 // this is supposed to be TAG_PREFERRED_BACKUP 16762 if (!expectedStartTag.equals(parser.getName())) { 16763 if (DEBUG_BACKUP) { 16764 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16765 } 16766 return; 16767 } 16768 16769 // skip interfering stuff, then we're aligned with the backing implementation 16770 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16771Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16772 functor.apply(parser, userId); 16773 } 16774 16775 private interface BlobXmlRestorer { 16776 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16777 } 16778 16779 /** 16780 * Non-Binder method, support for the backup/restore mechanism: write the 16781 * full set of preferred activities in its canonical XML format. Returns the 16782 * XML output as a byte array, or null if there is none. 16783 */ 16784 @Override 16785 public byte[] getPreferredActivityBackup(int userId) { 16786 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16787 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16788 } 16789 16790 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16791 try { 16792 final XmlSerializer serializer = new FastXmlSerializer(); 16793 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16794 serializer.startDocument(null, true); 16795 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16796 16797 synchronized (mPackages) { 16798 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16799 } 16800 16801 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16802 serializer.endDocument(); 16803 serializer.flush(); 16804 } catch (Exception e) { 16805 if (DEBUG_BACKUP) { 16806 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16807 } 16808 return null; 16809 } 16810 16811 return dataStream.toByteArray(); 16812 } 16813 16814 @Override 16815 public void restorePreferredActivities(byte[] backup, int userId) { 16816 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16817 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16818 } 16819 16820 try { 16821 final XmlPullParser parser = Xml.newPullParser(); 16822 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16823 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16824 new BlobXmlRestorer() { 16825 @Override 16826 public void apply(XmlPullParser parser, int userId) 16827 throws XmlPullParserException, IOException { 16828 synchronized (mPackages) { 16829 mSettings.readPreferredActivitiesLPw(parser, userId); 16830 } 16831 } 16832 } ); 16833 } catch (Exception e) { 16834 if (DEBUG_BACKUP) { 16835 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16836 } 16837 } 16838 } 16839 16840 /** 16841 * Non-Binder method, support for the backup/restore mechanism: write the 16842 * default browser (etc) settings in its canonical XML format. Returns the default 16843 * browser XML representation as a byte array, or null if there is none. 16844 */ 16845 @Override 16846 public byte[] getDefaultAppsBackup(int userId) { 16847 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16848 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16849 } 16850 16851 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16852 try { 16853 final XmlSerializer serializer = new FastXmlSerializer(); 16854 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16855 serializer.startDocument(null, true); 16856 serializer.startTag(null, TAG_DEFAULT_APPS); 16857 16858 synchronized (mPackages) { 16859 mSettings.writeDefaultAppsLPr(serializer, userId); 16860 } 16861 16862 serializer.endTag(null, TAG_DEFAULT_APPS); 16863 serializer.endDocument(); 16864 serializer.flush(); 16865 } catch (Exception e) { 16866 if (DEBUG_BACKUP) { 16867 Slog.e(TAG, "Unable to write default apps for backup", e); 16868 } 16869 return null; 16870 } 16871 16872 return dataStream.toByteArray(); 16873 } 16874 16875 @Override 16876 public void restoreDefaultApps(byte[] backup, int userId) { 16877 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16878 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16879 } 16880 16881 try { 16882 final XmlPullParser parser = Xml.newPullParser(); 16883 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16884 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16885 new BlobXmlRestorer() { 16886 @Override 16887 public void apply(XmlPullParser parser, int userId) 16888 throws XmlPullParserException, IOException { 16889 synchronized (mPackages) { 16890 mSettings.readDefaultAppsLPw(parser, userId); 16891 } 16892 } 16893 } ); 16894 } catch (Exception e) { 16895 if (DEBUG_BACKUP) { 16896 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16897 } 16898 } 16899 } 16900 16901 @Override 16902 public byte[] getIntentFilterVerificationBackup(int userId) { 16903 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16904 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16905 } 16906 16907 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16908 try { 16909 final XmlSerializer serializer = new FastXmlSerializer(); 16910 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16911 serializer.startDocument(null, true); 16912 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16913 16914 synchronized (mPackages) { 16915 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16916 } 16917 16918 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16919 serializer.endDocument(); 16920 serializer.flush(); 16921 } catch (Exception e) { 16922 if (DEBUG_BACKUP) { 16923 Slog.e(TAG, "Unable to write default apps for backup", e); 16924 } 16925 return null; 16926 } 16927 16928 return dataStream.toByteArray(); 16929 } 16930 16931 @Override 16932 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16933 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16934 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16935 } 16936 16937 try { 16938 final XmlPullParser parser = Xml.newPullParser(); 16939 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16940 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16941 new BlobXmlRestorer() { 16942 @Override 16943 public void apply(XmlPullParser parser, int userId) 16944 throws XmlPullParserException, IOException { 16945 synchronized (mPackages) { 16946 mSettings.readAllDomainVerificationsLPr(parser, userId); 16947 mSettings.writeLPr(); 16948 } 16949 } 16950 } ); 16951 } catch (Exception e) { 16952 if (DEBUG_BACKUP) { 16953 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16954 } 16955 } 16956 } 16957 16958 @Override 16959 public byte[] getPermissionGrantBackup(int userId) { 16960 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16961 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16962 } 16963 16964 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16965 try { 16966 final XmlSerializer serializer = new FastXmlSerializer(); 16967 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16968 serializer.startDocument(null, true); 16969 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16970 16971 synchronized (mPackages) { 16972 serializeRuntimePermissionGrantsLPr(serializer, userId); 16973 } 16974 16975 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16976 serializer.endDocument(); 16977 serializer.flush(); 16978 } catch (Exception e) { 16979 if (DEBUG_BACKUP) { 16980 Slog.e(TAG, "Unable to write default apps for backup", e); 16981 } 16982 return null; 16983 } 16984 16985 return dataStream.toByteArray(); 16986 } 16987 16988 @Override 16989 public void restorePermissionGrants(byte[] backup, int userId) { 16990 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16991 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16992 } 16993 16994 try { 16995 final XmlPullParser parser = Xml.newPullParser(); 16996 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16997 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16998 new BlobXmlRestorer() { 16999 @Override 17000 public void apply(XmlPullParser parser, int userId) 17001 throws XmlPullParserException, IOException { 17002 synchronized (mPackages) { 17003 processRestoredPermissionGrantsLPr(parser, userId); 17004 } 17005 } 17006 } ); 17007 } catch (Exception e) { 17008 if (DEBUG_BACKUP) { 17009 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17010 } 17011 } 17012 } 17013 17014 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17015 throws IOException { 17016 serializer.startTag(null, TAG_ALL_GRANTS); 17017 17018 final int N = mSettings.mPackages.size(); 17019 for (int i = 0; i < N; i++) { 17020 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17021 boolean pkgGrantsKnown = false; 17022 17023 PermissionsState packagePerms = ps.getPermissionsState(); 17024 17025 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17026 final int grantFlags = state.getFlags(); 17027 // only look at grants that are not system/policy fixed 17028 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17029 final boolean isGranted = state.isGranted(); 17030 // And only back up the user-twiddled state bits 17031 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17032 final String packageName = mSettings.mPackages.keyAt(i); 17033 if (!pkgGrantsKnown) { 17034 serializer.startTag(null, TAG_GRANT); 17035 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17036 pkgGrantsKnown = true; 17037 } 17038 17039 final boolean userSet = 17040 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17041 final boolean userFixed = 17042 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17043 final boolean revoke = 17044 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17045 17046 serializer.startTag(null, TAG_PERMISSION); 17047 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17048 if (isGranted) { 17049 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17050 } 17051 if (userSet) { 17052 serializer.attribute(null, ATTR_USER_SET, "true"); 17053 } 17054 if (userFixed) { 17055 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17056 } 17057 if (revoke) { 17058 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17059 } 17060 serializer.endTag(null, TAG_PERMISSION); 17061 } 17062 } 17063 } 17064 17065 if (pkgGrantsKnown) { 17066 serializer.endTag(null, TAG_GRANT); 17067 } 17068 } 17069 17070 serializer.endTag(null, TAG_ALL_GRANTS); 17071 } 17072 17073 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17074 throws XmlPullParserException, IOException { 17075 String pkgName = null; 17076 int outerDepth = parser.getDepth(); 17077 int type; 17078 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17079 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17080 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17081 continue; 17082 } 17083 17084 final String tagName = parser.getName(); 17085 if (tagName.equals(TAG_GRANT)) { 17086 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17087 if (DEBUG_BACKUP) { 17088 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17089 } 17090 } else if (tagName.equals(TAG_PERMISSION)) { 17091 17092 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17093 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17094 17095 int newFlagSet = 0; 17096 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17097 newFlagSet |= FLAG_PERMISSION_USER_SET; 17098 } 17099 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17100 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17101 } 17102 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17103 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17104 } 17105 if (DEBUG_BACKUP) { 17106 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17107 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17108 } 17109 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17110 if (ps != null) { 17111 // Already installed so we apply the grant immediately 17112 if (DEBUG_BACKUP) { 17113 Slog.v(TAG, " + already installed; applying"); 17114 } 17115 PermissionsState perms = ps.getPermissionsState(); 17116 BasePermission bp = mSettings.mPermissions.get(permName); 17117 if (bp != null) { 17118 if (isGranted) { 17119 perms.grantRuntimePermission(bp, userId); 17120 } 17121 if (newFlagSet != 0) { 17122 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17123 } 17124 } 17125 } else { 17126 // Need to wait for post-restore install to apply the grant 17127 if (DEBUG_BACKUP) { 17128 Slog.v(TAG, " - not yet installed; saving for later"); 17129 } 17130 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17131 isGranted, newFlagSet, userId); 17132 } 17133 } else { 17134 PackageManagerService.reportSettingsProblem(Log.WARN, 17135 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17136 XmlUtils.skipCurrentTag(parser); 17137 } 17138 } 17139 17140 scheduleWriteSettingsLocked(); 17141 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17142 } 17143 17144 @Override 17145 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17146 int sourceUserId, int targetUserId, int flags) { 17147 mContext.enforceCallingOrSelfPermission( 17148 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17149 int callingUid = Binder.getCallingUid(); 17150 enforceOwnerRights(ownerPackage, callingUid); 17151 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17152 if (intentFilter.countActions() == 0) { 17153 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17154 return; 17155 } 17156 synchronized (mPackages) { 17157 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17158 ownerPackage, targetUserId, flags); 17159 CrossProfileIntentResolver resolver = 17160 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17161 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17162 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17163 if (existing != null) { 17164 int size = existing.size(); 17165 for (int i = 0; i < size; i++) { 17166 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17167 return; 17168 } 17169 } 17170 } 17171 resolver.addFilter(newFilter); 17172 scheduleWritePackageRestrictionsLocked(sourceUserId); 17173 } 17174 } 17175 17176 @Override 17177 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17178 mContext.enforceCallingOrSelfPermission( 17179 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17180 int callingUid = Binder.getCallingUid(); 17181 enforceOwnerRights(ownerPackage, callingUid); 17182 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17183 synchronized (mPackages) { 17184 CrossProfileIntentResolver resolver = 17185 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17186 ArraySet<CrossProfileIntentFilter> set = 17187 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17188 for (CrossProfileIntentFilter filter : set) { 17189 if (filter.getOwnerPackage().equals(ownerPackage)) { 17190 resolver.removeFilter(filter); 17191 } 17192 } 17193 scheduleWritePackageRestrictionsLocked(sourceUserId); 17194 } 17195 } 17196 17197 // Enforcing that callingUid is owning pkg on userId 17198 private void enforceOwnerRights(String pkg, int callingUid) { 17199 // The system owns everything. 17200 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17201 return; 17202 } 17203 int callingUserId = UserHandle.getUserId(callingUid); 17204 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17205 if (pi == null) { 17206 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17207 + callingUserId); 17208 } 17209 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17210 throw new SecurityException("Calling uid " + callingUid 17211 + " does not own package " + pkg); 17212 } 17213 } 17214 17215 @Override 17216 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17217 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17218 } 17219 17220 private Intent getHomeIntent() { 17221 Intent intent = new Intent(Intent.ACTION_MAIN); 17222 intent.addCategory(Intent.CATEGORY_HOME); 17223 return intent; 17224 } 17225 17226 private IntentFilter getHomeFilter() { 17227 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17228 filter.addCategory(Intent.CATEGORY_HOME); 17229 filter.addCategory(Intent.CATEGORY_DEFAULT); 17230 return filter; 17231 } 17232 17233 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17234 int userId) { 17235 Intent intent = getHomeIntent(); 17236 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17237 PackageManager.GET_META_DATA, userId); 17238 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17239 true, false, false, userId); 17240 17241 allHomeCandidates.clear(); 17242 if (list != null) { 17243 for (ResolveInfo ri : list) { 17244 allHomeCandidates.add(ri); 17245 } 17246 } 17247 return (preferred == null || preferred.activityInfo == null) 17248 ? null 17249 : new ComponentName(preferred.activityInfo.packageName, 17250 preferred.activityInfo.name); 17251 } 17252 17253 @Override 17254 public void setHomeActivity(ComponentName comp, int userId) { 17255 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17256 getHomeActivitiesAsUser(homeActivities, userId); 17257 17258 boolean found = false; 17259 17260 final int size = homeActivities.size(); 17261 final ComponentName[] set = new ComponentName[size]; 17262 for (int i = 0; i < size; i++) { 17263 final ResolveInfo candidate = homeActivities.get(i); 17264 final ActivityInfo info = candidate.activityInfo; 17265 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17266 set[i] = activityName; 17267 if (!found && activityName.equals(comp)) { 17268 found = true; 17269 } 17270 } 17271 if (!found) { 17272 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17273 + userId); 17274 } 17275 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17276 set, comp, userId); 17277 } 17278 17279 private @Nullable String getSetupWizardPackageName() { 17280 final Intent intent = new Intent(Intent.ACTION_MAIN); 17281 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17282 17283 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17284 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17285 | MATCH_DISABLED_COMPONENTS, 17286 UserHandle.myUserId()); 17287 if (matches.size() == 1) { 17288 return matches.get(0).getComponentInfo().packageName; 17289 } else { 17290 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17291 + ": matches=" + matches); 17292 return null; 17293 } 17294 } 17295 17296 @Override 17297 public void setApplicationEnabledSetting(String appPackageName, 17298 int newState, int flags, int userId, String callingPackage) { 17299 if (!sUserManager.exists(userId)) return; 17300 if (callingPackage == null) { 17301 callingPackage = Integer.toString(Binder.getCallingUid()); 17302 } 17303 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17304 } 17305 17306 @Override 17307 public void setComponentEnabledSetting(ComponentName componentName, 17308 int newState, int flags, int userId) { 17309 if (!sUserManager.exists(userId)) return; 17310 setEnabledSetting(componentName.getPackageName(), 17311 componentName.getClassName(), newState, flags, userId, null); 17312 } 17313 17314 private void setEnabledSetting(final String packageName, String className, int newState, 17315 final int flags, int userId, String callingPackage) { 17316 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17317 || newState == COMPONENT_ENABLED_STATE_ENABLED 17318 || newState == COMPONENT_ENABLED_STATE_DISABLED 17319 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17320 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17321 throw new IllegalArgumentException("Invalid new component state: " 17322 + newState); 17323 } 17324 PackageSetting pkgSetting; 17325 final int uid = Binder.getCallingUid(); 17326 final int permission; 17327 if (uid == Process.SYSTEM_UID) { 17328 permission = PackageManager.PERMISSION_GRANTED; 17329 } else { 17330 permission = mContext.checkCallingOrSelfPermission( 17331 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17332 } 17333 enforceCrossUserPermission(uid, userId, 17334 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17335 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17336 boolean sendNow = false; 17337 boolean isApp = (className == null); 17338 String componentName = isApp ? packageName : className; 17339 int packageUid = -1; 17340 ArrayList<String> components; 17341 17342 // writer 17343 synchronized (mPackages) { 17344 pkgSetting = mSettings.mPackages.get(packageName); 17345 if (pkgSetting == null) { 17346 if (className == null) { 17347 throw new IllegalArgumentException("Unknown package: " + packageName); 17348 } 17349 throw new IllegalArgumentException( 17350 "Unknown component: " + packageName + "/" + className); 17351 } 17352 // Allow root and verify that userId is not being specified by a different user 17353 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17354 throw new SecurityException( 17355 "Permission Denial: attempt to change component state from pid=" 17356 + Binder.getCallingPid() 17357 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17358 } 17359 if (className == null) { 17360 // We're dealing with an application/package level state change 17361 if (pkgSetting.getEnabled(userId) == newState) { 17362 // Nothing to do 17363 return; 17364 } 17365 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17366 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17367 // Don't care about who enables an app. 17368 callingPackage = null; 17369 } 17370 pkgSetting.setEnabled(newState, userId, callingPackage); 17371 // pkgSetting.pkg.mSetEnabled = newState; 17372 } else { 17373 // We're dealing with a component level state change 17374 // First, verify that this is a valid class name. 17375 PackageParser.Package pkg = pkgSetting.pkg; 17376 if (pkg == null || !pkg.hasComponentClassName(className)) { 17377 if (pkg != null && 17378 pkg.applicationInfo.targetSdkVersion >= 17379 Build.VERSION_CODES.JELLY_BEAN) { 17380 throw new IllegalArgumentException("Component class " + className 17381 + " does not exist in " + packageName); 17382 } else { 17383 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17384 + className + " does not exist in " + packageName); 17385 } 17386 } 17387 switch (newState) { 17388 case COMPONENT_ENABLED_STATE_ENABLED: 17389 if (!pkgSetting.enableComponentLPw(className, userId)) { 17390 return; 17391 } 17392 break; 17393 case COMPONENT_ENABLED_STATE_DISABLED: 17394 if (!pkgSetting.disableComponentLPw(className, userId)) { 17395 return; 17396 } 17397 break; 17398 case COMPONENT_ENABLED_STATE_DEFAULT: 17399 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17400 return; 17401 } 17402 break; 17403 default: 17404 Slog.e(TAG, "Invalid new component state: " + newState); 17405 return; 17406 } 17407 } 17408 scheduleWritePackageRestrictionsLocked(userId); 17409 components = mPendingBroadcasts.get(userId, packageName); 17410 final boolean newPackage = components == null; 17411 if (newPackage) { 17412 components = new ArrayList<String>(); 17413 } 17414 if (!components.contains(componentName)) { 17415 components.add(componentName); 17416 } 17417 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17418 sendNow = true; 17419 // Purge entry from pending broadcast list if another one exists already 17420 // since we are sending one right away. 17421 mPendingBroadcasts.remove(userId, packageName); 17422 } else { 17423 if (newPackage) { 17424 mPendingBroadcasts.put(userId, packageName, components); 17425 } 17426 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17427 // Schedule a message 17428 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17429 } 17430 } 17431 } 17432 17433 long callingId = Binder.clearCallingIdentity(); 17434 try { 17435 if (sendNow) { 17436 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17437 sendPackageChangedBroadcast(packageName, 17438 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17439 } 17440 } finally { 17441 Binder.restoreCallingIdentity(callingId); 17442 } 17443 } 17444 17445 @Override 17446 public void flushPackageRestrictionsAsUser(int userId) { 17447 if (!sUserManager.exists(userId)) { 17448 return; 17449 } 17450 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17451 false /* checkShell */, "flushPackageRestrictions"); 17452 synchronized (mPackages) { 17453 mSettings.writePackageRestrictionsLPr(userId); 17454 mDirtyUsers.remove(userId); 17455 if (mDirtyUsers.isEmpty()) { 17456 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17457 } 17458 } 17459 } 17460 17461 private void sendPackageChangedBroadcast(String packageName, 17462 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17463 if (DEBUG_INSTALL) 17464 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17465 + componentNames); 17466 Bundle extras = new Bundle(4); 17467 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17468 String nameList[] = new String[componentNames.size()]; 17469 componentNames.toArray(nameList); 17470 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17471 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17472 extras.putInt(Intent.EXTRA_UID, packageUid); 17473 // If this is not reporting a change of the overall package, then only send it 17474 // to registered receivers. We don't want to launch a swath of apps for every 17475 // little component state change. 17476 final int flags = !componentNames.contains(packageName) 17477 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17478 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17479 new int[] {UserHandle.getUserId(packageUid)}); 17480 } 17481 17482 @Override 17483 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17484 if (!sUserManager.exists(userId)) return; 17485 final int uid = Binder.getCallingUid(); 17486 final int permission = mContext.checkCallingOrSelfPermission( 17487 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17488 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17489 enforceCrossUserPermission(uid, userId, 17490 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17491 // writer 17492 synchronized (mPackages) { 17493 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17494 allowedByPermission, uid, userId)) { 17495 scheduleWritePackageRestrictionsLocked(userId); 17496 } 17497 } 17498 } 17499 17500 @Override 17501 public String getInstallerPackageName(String packageName) { 17502 // reader 17503 synchronized (mPackages) { 17504 return mSettings.getInstallerPackageNameLPr(packageName); 17505 } 17506 } 17507 17508 @Override 17509 public int getApplicationEnabledSetting(String packageName, int userId) { 17510 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17511 int uid = Binder.getCallingUid(); 17512 enforceCrossUserPermission(uid, userId, 17513 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17514 // reader 17515 synchronized (mPackages) { 17516 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17517 } 17518 } 17519 17520 @Override 17521 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17522 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17523 int uid = Binder.getCallingUid(); 17524 enforceCrossUserPermission(uid, userId, 17525 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17526 // reader 17527 synchronized (mPackages) { 17528 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17529 } 17530 } 17531 17532 @Override 17533 public void enterSafeMode() { 17534 enforceSystemOrRoot("Only the system can request entering safe mode"); 17535 17536 if (!mSystemReady) { 17537 mSafeMode = true; 17538 } 17539 } 17540 17541 @Override 17542 public void systemReady() { 17543 mSystemReady = true; 17544 17545 // Read the compatibilty setting when the system is ready. 17546 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17547 mContext.getContentResolver(), 17548 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17549 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17550 if (DEBUG_SETTINGS) { 17551 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17552 } 17553 17554 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17555 17556 synchronized (mPackages) { 17557 // Verify that all of the preferred activity components actually 17558 // exist. It is possible for applications to be updated and at 17559 // that point remove a previously declared activity component that 17560 // had been set as a preferred activity. We try to clean this up 17561 // the next time we encounter that preferred activity, but it is 17562 // possible for the user flow to never be able to return to that 17563 // situation so here we do a sanity check to make sure we haven't 17564 // left any junk around. 17565 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17566 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17567 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17568 removed.clear(); 17569 for (PreferredActivity pa : pir.filterSet()) { 17570 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17571 removed.add(pa); 17572 } 17573 } 17574 if (removed.size() > 0) { 17575 for (int r=0; r<removed.size(); r++) { 17576 PreferredActivity pa = removed.get(r); 17577 Slog.w(TAG, "Removing dangling preferred activity: " 17578 + pa.mPref.mComponent); 17579 pir.removeFilter(pa); 17580 } 17581 mSettings.writePackageRestrictionsLPr( 17582 mSettings.mPreferredActivities.keyAt(i)); 17583 } 17584 } 17585 17586 for (int userId : UserManagerService.getInstance().getUserIds()) { 17587 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17588 grantPermissionsUserIds = ArrayUtils.appendInt( 17589 grantPermissionsUserIds, userId); 17590 } 17591 } 17592 } 17593 sUserManager.systemReady(); 17594 17595 // If we upgraded grant all default permissions before kicking off. 17596 for (int userId : grantPermissionsUserIds) { 17597 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17598 } 17599 17600 // Kick off any messages waiting for system ready 17601 if (mPostSystemReadyMessages != null) { 17602 for (Message msg : mPostSystemReadyMessages) { 17603 msg.sendToTarget(); 17604 } 17605 mPostSystemReadyMessages = null; 17606 } 17607 17608 // Watch for external volumes that come and go over time 17609 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17610 storage.registerListener(mStorageListener); 17611 17612 mInstallerService.systemReady(); 17613 mPackageDexOptimizer.systemReady(); 17614 17615 MountServiceInternal mountServiceInternal = LocalServices.getService( 17616 MountServiceInternal.class); 17617 mountServiceInternal.addExternalStoragePolicy( 17618 new MountServiceInternal.ExternalStorageMountPolicy() { 17619 @Override 17620 public int getMountMode(int uid, String packageName) { 17621 if (Process.isIsolated(uid)) { 17622 return Zygote.MOUNT_EXTERNAL_NONE; 17623 } 17624 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17625 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17626 } 17627 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17628 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17629 } 17630 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17631 return Zygote.MOUNT_EXTERNAL_READ; 17632 } 17633 return Zygote.MOUNT_EXTERNAL_WRITE; 17634 } 17635 17636 @Override 17637 public boolean hasExternalStorage(int uid, String packageName) { 17638 return true; 17639 } 17640 }); 17641 17642 // Now that we're mostly running, clean up stale users and apps 17643 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17644 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17645 } 17646 17647 @Override 17648 public boolean isSafeMode() { 17649 return mSafeMode; 17650 } 17651 17652 @Override 17653 public boolean hasSystemUidErrors() { 17654 return mHasSystemUidErrors; 17655 } 17656 17657 static String arrayToString(int[] array) { 17658 StringBuffer buf = new StringBuffer(128); 17659 buf.append('['); 17660 if (array != null) { 17661 for (int i=0; i<array.length; i++) { 17662 if (i > 0) buf.append(", "); 17663 buf.append(array[i]); 17664 } 17665 } 17666 buf.append(']'); 17667 return buf.toString(); 17668 } 17669 17670 static class DumpState { 17671 public static final int DUMP_LIBS = 1 << 0; 17672 public static final int DUMP_FEATURES = 1 << 1; 17673 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17674 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17675 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17676 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17677 public static final int DUMP_PERMISSIONS = 1 << 6; 17678 public static final int DUMP_PACKAGES = 1 << 7; 17679 public static final int DUMP_SHARED_USERS = 1 << 8; 17680 public static final int DUMP_MESSAGES = 1 << 9; 17681 public static final int DUMP_PROVIDERS = 1 << 10; 17682 public static final int DUMP_VERIFIERS = 1 << 11; 17683 public static final int DUMP_PREFERRED = 1 << 12; 17684 public static final int DUMP_PREFERRED_XML = 1 << 13; 17685 public static final int DUMP_KEYSETS = 1 << 14; 17686 public static final int DUMP_VERSION = 1 << 15; 17687 public static final int DUMP_INSTALLS = 1 << 16; 17688 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17689 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17690 public static final int DUMP_FROZEN = 1 << 19; 17691 17692 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17693 17694 private int mTypes; 17695 17696 private int mOptions; 17697 17698 private boolean mTitlePrinted; 17699 17700 private SharedUserSetting mSharedUser; 17701 17702 public boolean isDumping(int type) { 17703 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17704 return true; 17705 } 17706 17707 return (mTypes & type) != 0; 17708 } 17709 17710 public void setDump(int type) { 17711 mTypes |= type; 17712 } 17713 17714 public boolean isOptionEnabled(int option) { 17715 return (mOptions & option) != 0; 17716 } 17717 17718 public void setOptionEnabled(int option) { 17719 mOptions |= option; 17720 } 17721 17722 public boolean onTitlePrinted() { 17723 final boolean printed = mTitlePrinted; 17724 mTitlePrinted = true; 17725 return printed; 17726 } 17727 17728 public boolean getTitlePrinted() { 17729 return mTitlePrinted; 17730 } 17731 17732 public void setTitlePrinted(boolean enabled) { 17733 mTitlePrinted = enabled; 17734 } 17735 17736 public SharedUserSetting getSharedUser() { 17737 return mSharedUser; 17738 } 17739 17740 public void setSharedUser(SharedUserSetting user) { 17741 mSharedUser = user; 17742 } 17743 } 17744 17745 @Override 17746 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17747 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17748 (new PackageManagerShellCommand(this)).exec( 17749 this, in, out, err, args, resultReceiver); 17750 } 17751 17752 @Override 17753 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17754 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17755 != PackageManager.PERMISSION_GRANTED) { 17756 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17757 + Binder.getCallingPid() 17758 + ", uid=" + Binder.getCallingUid() 17759 + " without permission " 17760 + android.Manifest.permission.DUMP); 17761 return; 17762 } 17763 17764 DumpState dumpState = new DumpState(); 17765 boolean fullPreferred = false; 17766 boolean checkin = false; 17767 17768 String packageName = null; 17769 ArraySet<String> permissionNames = null; 17770 17771 int opti = 0; 17772 while (opti < args.length) { 17773 String opt = args[opti]; 17774 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17775 break; 17776 } 17777 opti++; 17778 17779 if ("-a".equals(opt)) { 17780 // Right now we only know how to print all. 17781 } else if ("-h".equals(opt)) { 17782 pw.println("Package manager dump options:"); 17783 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17784 pw.println(" --checkin: dump for a checkin"); 17785 pw.println(" -f: print details of intent filters"); 17786 pw.println(" -h: print this help"); 17787 pw.println(" cmd may be one of:"); 17788 pw.println(" l[ibraries]: list known shared libraries"); 17789 pw.println(" f[eatures]: list device features"); 17790 pw.println(" k[eysets]: print known keysets"); 17791 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17792 pw.println(" perm[issions]: dump permissions"); 17793 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17794 pw.println(" pref[erred]: print preferred package settings"); 17795 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17796 pw.println(" prov[iders]: dump content providers"); 17797 pw.println(" p[ackages]: dump installed packages"); 17798 pw.println(" s[hared-users]: dump shared user IDs"); 17799 pw.println(" m[essages]: print collected runtime messages"); 17800 pw.println(" v[erifiers]: print package verifier info"); 17801 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17802 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17803 pw.println(" version: print database version info"); 17804 pw.println(" write: write current settings now"); 17805 pw.println(" installs: details about install sessions"); 17806 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17807 pw.println(" <package.name>: info about given package"); 17808 return; 17809 } else if ("--checkin".equals(opt)) { 17810 checkin = true; 17811 } else if ("-f".equals(opt)) { 17812 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17813 } else { 17814 pw.println("Unknown argument: " + opt + "; use -h for help"); 17815 } 17816 } 17817 17818 // Is the caller requesting to dump a particular piece of data? 17819 if (opti < args.length) { 17820 String cmd = args[opti]; 17821 opti++; 17822 // Is this a package name? 17823 if ("android".equals(cmd) || cmd.contains(".")) { 17824 packageName = cmd; 17825 // When dumping a single package, we always dump all of its 17826 // filter information since the amount of data will be reasonable. 17827 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17828 } else if ("check-permission".equals(cmd)) { 17829 if (opti >= args.length) { 17830 pw.println("Error: check-permission missing permission argument"); 17831 return; 17832 } 17833 String perm = args[opti]; 17834 opti++; 17835 if (opti >= args.length) { 17836 pw.println("Error: check-permission missing package argument"); 17837 return; 17838 } 17839 String pkg = args[opti]; 17840 opti++; 17841 int user = UserHandle.getUserId(Binder.getCallingUid()); 17842 if (opti < args.length) { 17843 try { 17844 user = Integer.parseInt(args[opti]); 17845 } catch (NumberFormatException e) { 17846 pw.println("Error: check-permission user argument is not a number: " 17847 + args[opti]); 17848 return; 17849 } 17850 } 17851 pw.println(checkPermission(perm, pkg, user)); 17852 return; 17853 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17854 dumpState.setDump(DumpState.DUMP_LIBS); 17855 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17856 dumpState.setDump(DumpState.DUMP_FEATURES); 17857 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17858 if (opti >= args.length) { 17859 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17860 | DumpState.DUMP_SERVICE_RESOLVERS 17861 | DumpState.DUMP_RECEIVER_RESOLVERS 17862 | DumpState.DUMP_CONTENT_RESOLVERS); 17863 } else { 17864 while (opti < args.length) { 17865 String name = args[opti]; 17866 if ("a".equals(name) || "activity".equals(name)) { 17867 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17868 } else if ("s".equals(name) || "service".equals(name)) { 17869 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17870 } else if ("r".equals(name) || "receiver".equals(name)) { 17871 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17872 } else if ("c".equals(name) || "content".equals(name)) { 17873 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17874 } else { 17875 pw.println("Error: unknown resolver table type: " + name); 17876 return; 17877 } 17878 opti++; 17879 } 17880 } 17881 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17882 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17883 } else if ("permission".equals(cmd)) { 17884 if (opti >= args.length) { 17885 pw.println("Error: permission requires permission name"); 17886 return; 17887 } 17888 permissionNames = new ArraySet<>(); 17889 while (opti < args.length) { 17890 permissionNames.add(args[opti]); 17891 opti++; 17892 } 17893 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17894 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17895 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17896 dumpState.setDump(DumpState.DUMP_PREFERRED); 17897 } else if ("preferred-xml".equals(cmd)) { 17898 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17899 if (opti < args.length && "--full".equals(args[opti])) { 17900 fullPreferred = true; 17901 opti++; 17902 } 17903 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17904 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17905 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17906 dumpState.setDump(DumpState.DUMP_PACKAGES); 17907 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17908 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17909 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17910 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17911 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17912 dumpState.setDump(DumpState.DUMP_MESSAGES); 17913 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17914 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17915 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17916 || "intent-filter-verifiers".equals(cmd)) { 17917 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17918 } else if ("version".equals(cmd)) { 17919 dumpState.setDump(DumpState.DUMP_VERSION); 17920 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17921 dumpState.setDump(DumpState.DUMP_KEYSETS); 17922 } else if ("installs".equals(cmd)) { 17923 dumpState.setDump(DumpState.DUMP_INSTALLS); 17924 } else if ("frozen".equals(cmd)) { 17925 dumpState.setDump(DumpState.DUMP_FROZEN); 17926 } else if ("write".equals(cmd)) { 17927 synchronized (mPackages) { 17928 mSettings.writeLPr(); 17929 pw.println("Settings written."); 17930 return; 17931 } 17932 } 17933 } 17934 17935 if (checkin) { 17936 pw.println("vers,1"); 17937 } 17938 17939 // reader 17940 synchronized (mPackages) { 17941 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17942 if (!checkin) { 17943 if (dumpState.onTitlePrinted()) 17944 pw.println(); 17945 pw.println("Database versions:"); 17946 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17947 } 17948 } 17949 17950 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17951 if (!checkin) { 17952 if (dumpState.onTitlePrinted()) 17953 pw.println(); 17954 pw.println("Verifiers:"); 17955 pw.print(" Required: "); 17956 pw.print(mRequiredVerifierPackage); 17957 pw.print(" (uid="); 17958 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17959 UserHandle.USER_SYSTEM)); 17960 pw.println(")"); 17961 } else if (mRequiredVerifierPackage != null) { 17962 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17963 pw.print(","); 17964 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17965 UserHandle.USER_SYSTEM)); 17966 } 17967 } 17968 17969 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17970 packageName == null) { 17971 if (mIntentFilterVerifierComponent != null) { 17972 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17973 if (!checkin) { 17974 if (dumpState.onTitlePrinted()) 17975 pw.println(); 17976 pw.println("Intent Filter Verifier:"); 17977 pw.print(" Using: "); 17978 pw.print(verifierPackageName); 17979 pw.print(" (uid="); 17980 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17981 UserHandle.USER_SYSTEM)); 17982 pw.println(")"); 17983 } else if (verifierPackageName != null) { 17984 pw.print("ifv,"); pw.print(verifierPackageName); 17985 pw.print(","); 17986 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17987 UserHandle.USER_SYSTEM)); 17988 } 17989 } else { 17990 pw.println(); 17991 pw.println("No Intent Filter Verifier available!"); 17992 } 17993 } 17994 17995 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17996 boolean printedHeader = false; 17997 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17998 while (it.hasNext()) { 17999 String name = it.next(); 18000 SharedLibraryEntry ent = mSharedLibraries.get(name); 18001 if (!checkin) { 18002 if (!printedHeader) { 18003 if (dumpState.onTitlePrinted()) 18004 pw.println(); 18005 pw.println("Libraries:"); 18006 printedHeader = true; 18007 } 18008 pw.print(" "); 18009 } else { 18010 pw.print("lib,"); 18011 } 18012 pw.print(name); 18013 if (!checkin) { 18014 pw.print(" -> "); 18015 } 18016 if (ent.path != null) { 18017 if (!checkin) { 18018 pw.print("(jar) "); 18019 pw.print(ent.path); 18020 } else { 18021 pw.print(",jar,"); 18022 pw.print(ent.path); 18023 } 18024 } else { 18025 if (!checkin) { 18026 pw.print("(apk) "); 18027 pw.print(ent.apk); 18028 } else { 18029 pw.print(",apk,"); 18030 pw.print(ent.apk); 18031 } 18032 } 18033 pw.println(); 18034 } 18035 } 18036 18037 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18038 if (dumpState.onTitlePrinted()) 18039 pw.println(); 18040 if (!checkin) { 18041 pw.println("Features:"); 18042 } 18043 18044 for (FeatureInfo feat : mAvailableFeatures.values()) { 18045 if (checkin) { 18046 pw.print("feat,"); 18047 pw.print(feat.name); 18048 pw.print(","); 18049 pw.println(feat.version); 18050 } else { 18051 pw.print(" "); 18052 pw.print(feat.name); 18053 if (feat.version > 0) { 18054 pw.print(" version="); 18055 pw.print(feat.version); 18056 } 18057 pw.println(); 18058 } 18059 } 18060 } 18061 18062 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18063 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18064 : "Activity Resolver Table:", " ", packageName, 18065 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18066 dumpState.setTitlePrinted(true); 18067 } 18068 } 18069 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18070 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18071 : "Receiver Resolver Table:", " ", packageName, 18072 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18073 dumpState.setTitlePrinted(true); 18074 } 18075 } 18076 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18077 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18078 : "Service Resolver Table:", " ", packageName, 18079 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18080 dumpState.setTitlePrinted(true); 18081 } 18082 } 18083 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18084 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18085 : "Provider Resolver Table:", " ", packageName, 18086 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18087 dumpState.setTitlePrinted(true); 18088 } 18089 } 18090 18091 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18092 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18093 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18094 int user = mSettings.mPreferredActivities.keyAt(i); 18095 if (pir.dump(pw, 18096 dumpState.getTitlePrinted() 18097 ? "\nPreferred Activities User " + user + ":" 18098 : "Preferred Activities User " + user + ":", " ", 18099 packageName, true, false)) { 18100 dumpState.setTitlePrinted(true); 18101 } 18102 } 18103 } 18104 18105 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18106 pw.flush(); 18107 FileOutputStream fout = new FileOutputStream(fd); 18108 BufferedOutputStream str = new BufferedOutputStream(fout); 18109 XmlSerializer serializer = new FastXmlSerializer(); 18110 try { 18111 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18112 serializer.startDocument(null, true); 18113 serializer.setFeature( 18114 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18115 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18116 serializer.endDocument(); 18117 serializer.flush(); 18118 } catch (IllegalArgumentException e) { 18119 pw.println("Failed writing: " + e); 18120 } catch (IllegalStateException e) { 18121 pw.println("Failed writing: " + e); 18122 } catch (IOException e) { 18123 pw.println("Failed writing: " + e); 18124 } 18125 } 18126 18127 if (!checkin 18128 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18129 && packageName == null) { 18130 pw.println(); 18131 int count = mSettings.mPackages.size(); 18132 if (count == 0) { 18133 pw.println("No applications!"); 18134 pw.println(); 18135 } else { 18136 final String prefix = " "; 18137 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18138 if (allPackageSettings.size() == 0) { 18139 pw.println("No domain preferred apps!"); 18140 pw.println(); 18141 } else { 18142 pw.println("App verification status:"); 18143 pw.println(); 18144 count = 0; 18145 for (PackageSetting ps : allPackageSettings) { 18146 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18147 if (ivi == null || ivi.getPackageName() == null) continue; 18148 pw.println(prefix + "Package: " + ivi.getPackageName()); 18149 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18150 pw.println(prefix + "Status: " + ivi.getStatusString()); 18151 pw.println(); 18152 count++; 18153 } 18154 if (count == 0) { 18155 pw.println(prefix + "No app verification established."); 18156 pw.println(); 18157 } 18158 for (int userId : sUserManager.getUserIds()) { 18159 pw.println("App linkages for user " + userId + ":"); 18160 pw.println(); 18161 count = 0; 18162 for (PackageSetting ps : allPackageSettings) { 18163 final long status = ps.getDomainVerificationStatusForUser(userId); 18164 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18165 continue; 18166 } 18167 pw.println(prefix + "Package: " + ps.name); 18168 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18169 String statusStr = IntentFilterVerificationInfo. 18170 getStatusStringFromValue(status); 18171 pw.println(prefix + "Status: " + statusStr); 18172 pw.println(); 18173 count++; 18174 } 18175 if (count == 0) { 18176 pw.println(prefix + "No configured app linkages."); 18177 pw.println(); 18178 } 18179 } 18180 } 18181 } 18182 } 18183 18184 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18185 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18186 if (packageName == null && permissionNames == null) { 18187 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18188 if (iperm == 0) { 18189 if (dumpState.onTitlePrinted()) 18190 pw.println(); 18191 pw.println("AppOp Permissions:"); 18192 } 18193 pw.print(" AppOp Permission "); 18194 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18195 pw.println(":"); 18196 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18197 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18198 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18199 } 18200 } 18201 } 18202 } 18203 18204 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18205 boolean printedSomething = false; 18206 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18207 if (packageName != null && !packageName.equals(p.info.packageName)) { 18208 continue; 18209 } 18210 if (!printedSomething) { 18211 if (dumpState.onTitlePrinted()) 18212 pw.println(); 18213 pw.println("Registered ContentProviders:"); 18214 printedSomething = true; 18215 } 18216 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18217 pw.print(" "); pw.println(p.toString()); 18218 } 18219 printedSomething = false; 18220 for (Map.Entry<String, PackageParser.Provider> entry : 18221 mProvidersByAuthority.entrySet()) { 18222 PackageParser.Provider p = entry.getValue(); 18223 if (packageName != null && !packageName.equals(p.info.packageName)) { 18224 continue; 18225 } 18226 if (!printedSomething) { 18227 if (dumpState.onTitlePrinted()) 18228 pw.println(); 18229 pw.println("ContentProvider Authorities:"); 18230 printedSomething = true; 18231 } 18232 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18233 pw.print(" "); pw.println(p.toString()); 18234 if (p.info != null && p.info.applicationInfo != null) { 18235 final String appInfo = p.info.applicationInfo.toString(); 18236 pw.print(" applicationInfo="); pw.println(appInfo); 18237 } 18238 } 18239 } 18240 18241 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18242 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18243 } 18244 18245 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18246 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18247 } 18248 18249 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18250 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18251 } 18252 18253 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18254 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18255 } 18256 18257 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18258 // XXX should handle packageName != null by dumping only install data that 18259 // the given package is involved with. 18260 if (dumpState.onTitlePrinted()) pw.println(); 18261 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18262 } 18263 18264 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18265 // XXX should handle packageName != null by dumping only install data that 18266 // the given package is involved with. 18267 if (dumpState.onTitlePrinted()) pw.println(); 18268 18269 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18270 ipw.println(); 18271 ipw.println("Frozen packages:"); 18272 ipw.increaseIndent(); 18273 if (mFrozenPackages.size() == 0) { 18274 ipw.println("(none)"); 18275 } else { 18276 for (int i = 0; i < mFrozenPackages.size(); i++) { 18277 ipw.println(mFrozenPackages.valueAt(i)); 18278 } 18279 } 18280 ipw.decreaseIndent(); 18281 } 18282 18283 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18284 if (dumpState.onTitlePrinted()) pw.println(); 18285 mSettings.dumpReadMessagesLPr(pw, dumpState); 18286 18287 pw.println(); 18288 pw.println("Package warning messages:"); 18289 BufferedReader in = null; 18290 String line = null; 18291 try { 18292 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18293 while ((line = in.readLine()) != null) { 18294 if (line.contains("ignored: updated version")) continue; 18295 pw.println(line); 18296 } 18297 } catch (IOException ignored) { 18298 } finally { 18299 IoUtils.closeQuietly(in); 18300 } 18301 } 18302 18303 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18304 BufferedReader in = null; 18305 String line = null; 18306 try { 18307 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18308 while ((line = in.readLine()) != null) { 18309 if (line.contains("ignored: updated version")) continue; 18310 pw.print("msg,"); 18311 pw.println(line); 18312 } 18313 } catch (IOException ignored) { 18314 } finally { 18315 IoUtils.closeQuietly(in); 18316 } 18317 } 18318 } 18319 } 18320 18321 private String dumpDomainString(String packageName) { 18322 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18323 .getList(); 18324 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18325 18326 ArraySet<String> result = new ArraySet<>(); 18327 if (iviList.size() > 0) { 18328 for (IntentFilterVerificationInfo ivi : iviList) { 18329 for (String host : ivi.getDomains()) { 18330 result.add(host); 18331 } 18332 } 18333 } 18334 if (filters != null && filters.size() > 0) { 18335 for (IntentFilter filter : filters) { 18336 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18337 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18338 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18339 result.addAll(filter.getHostsList()); 18340 } 18341 } 18342 } 18343 18344 StringBuilder sb = new StringBuilder(result.size() * 16); 18345 for (String domain : result) { 18346 if (sb.length() > 0) sb.append(" "); 18347 sb.append(domain); 18348 } 18349 return sb.toString(); 18350 } 18351 18352 // ------- apps on sdcard specific code ------- 18353 static final boolean DEBUG_SD_INSTALL = false; 18354 18355 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18356 18357 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18358 18359 private boolean mMediaMounted = false; 18360 18361 static String getEncryptKey() { 18362 try { 18363 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18364 SD_ENCRYPTION_KEYSTORE_NAME); 18365 if (sdEncKey == null) { 18366 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18367 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18368 if (sdEncKey == null) { 18369 Slog.e(TAG, "Failed to create encryption keys"); 18370 return null; 18371 } 18372 } 18373 return sdEncKey; 18374 } catch (NoSuchAlgorithmException nsae) { 18375 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18376 return null; 18377 } catch (IOException ioe) { 18378 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18379 return null; 18380 } 18381 } 18382 18383 /* 18384 * Update media status on PackageManager. 18385 */ 18386 @Override 18387 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18388 int callingUid = Binder.getCallingUid(); 18389 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18390 throw new SecurityException("Media status can only be updated by the system"); 18391 } 18392 // reader; this apparently protects mMediaMounted, but should probably 18393 // be a different lock in that case. 18394 synchronized (mPackages) { 18395 Log.i(TAG, "Updating external media status from " 18396 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18397 + (mediaStatus ? "mounted" : "unmounted")); 18398 if (DEBUG_SD_INSTALL) 18399 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18400 + ", mMediaMounted=" + mMediaMounted); 18401 if (mediaStatus == mMediaMounted) { 18402 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18403 : 0, -1); 18404 mHandler.sendMessage(msg); 18405 return; 18406 } 18407 mMediaMounted = mediaStatus; 18408 } 18409 // Queue up an async operation since the package installation may take a 18410 // little while. 18411 mHandler.post(new Runnable() { 18412 public void run() { 18413 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18414 } 18415 }); 18416 } 18417 18418 /** 18419 * Called by MountService when the initial ASECs to scan are available. 18420 * Should block until all the ASEC containers are finished being scanned. 18421 */ 18422 public void scanAvailableAsecs() { 18423 updateExternalMediaStatusInner(true, false, false); 18424 } 18425 18426 /* 18427 * Collect information of applications on external media, map them against 18428 * existing containers and update information based on current mount status. 18429 * Please note that we always have to report status if reportStatus has been 18430 * set to true especially when unloading packages. 18431 */ 18432 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18433 boolean externalStorage) { 18434 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18435 int[] uidArr = EmptyArray.INT; 18436 18437 final String[] list = PackageHelper.getSecureContainerList(); 18438 if (ArrayUtils.isEmpty(list)) { 18439 Log.i(TAG, "No secure containers found"); 18440 } else { 18441 // Process list of secure containers and categorize them 18442 // as active or stale based on their package internal state. 18443 18444 // reader 18445 synchronized (mPackages) { 18446 for (String cid : list) { 18447 // Leave stages untouched for now; installer service owns them 18448 if (PackageInstallerService.isStageName(cid)) continue; 18449 18450 if (DEBUG_SD_INSTALL) 18451 Log.i(TAG, "Processing container " + cid); 18452 String pkgName = getAsecPackageName(cid); 18453 if (pkgName == null) { 18454 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18455 continue; 18456 } 18457 if (DEBUG_SD_INSTALL) 18458 Log.i(TAG, "Looking for pkg : " + pkgName); 18459 18460 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18461 if (ps == null) { 18462 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18463 continue; 18464 } 18465 18466 /* 18467 * Skip packages that are not external if we're unmounting 18468 * external storage. 18469 */ 18470 if (externalStorage && !isMounted && !isExternal(ps)) { 18471 continue; 18472 } 18473 18474 final AsecInstallArgs args = new AsecInstallArgs(cid, 18475 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18476 // The package status is changed only if the code path 18477 // matches between settings and the container id. 18478 if (ps.codePathString != null 18479 && ps.codePathString.startsWith(args.getCodePath())) { 18480 if (DEBUG_SD_INSTALL) { 18481 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18482 + " at code path: " + ps.codePathString); 18483 } 18484 18485 // We do have a valid package installed on sdcard 18486 processCids.put(args, ps.codePathString); 18487 final int uid = ps.appId; 18488 if (uid != -1) { 18489 uidArr = ArrayUtils.appendInt(uidArr, uid); 18490 } 18491 } else { 18492 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18493 + ps.codePathString); 18494 } 18495 } 18496 } 18497 18498 Arrays.sort(uidArr); 18499 } 18500 18501 // Process packages with valid entries. 18502 if (isMounted) { 18503 if (DEBUG_SD_INSTALL) 18504 Log.i(TAG, "Loading packages"); 18505 loadMediaPackages(processCids, uidArr, externalStorage); 18506 startCleaningPackages(); 18507 mInstallerService.onSecureContainersAvailable(); 18508 } else { 18509 if (DEBUG_SD_INSTALL) 18510 Log.i(TAG, "Unloading packages"); 18511 unloadMediaPackages(processCids, uidArr, reportStatus); 18512 } 18513 } 18514 18515 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18516 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18517 final int size = infos.size(); 18518 final String[] packageNames = new String[size]; 18519 final int[] packageUids = new int[size]; 18520 for (int i = 0; i < size; i++) { 18521 final ApplicationInfo info = infos.get(i); 18522 packageNames[i] = info.packageName; 18523 packageUids[i] = info.uid; 18524 } 18525 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18526 finishedReceiver); 18527 } 18528 18529 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18530 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18531 sendResourcesChangedBroadcast(mediaStatus, replacing, 18532 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18533 } 18534 18535 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18536 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18537 int size = pkgList.length; 18538 if (size > 0) { 18539 // Send broadcasts here 18540 Bundle extras = new Bundle(); 18541 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18542 if (uidArr != null) { 18543 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18544 } 18545 if (replacing) { 18546 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18547 } 18548 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18549 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18550 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18551 } 18552 } 18553 18554 /* 18555 * Look at potentially valid container ids from processCids If package 18556 * information doesn't match the one on record or package scanning fails, 18557 * the cid is added to list of removeCids. We currently don't delete stale 18558 * containers. 18559 */ 18560 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18561 boolean externalStorage) { 18562 ArrayList<String> pkgList = new ArrayList<String>(); 18563 Set<AsecInstallArgs> keys = processCids.keySet(); 18564 18565 for (AsecInstallArgs args : keys) { 18566 String codePath = processCids.get(args); 18567 if (DEBUG_SD_INSTALL) 18568 Log.i(TAG, "Loading container : " + args.cid); 18569 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18570 try { 18571 // Make sure there are no container errors first. 18572 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18573 Slog.e(TAG, "Failed to mount cid : " + args.cid 18574 + " when installing from sdcard"); 18575 continue; 18576 } 18577 // Check code path here. 18578 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18579 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18580 + " does not match one in settings " + codePath); 18581 continue; 18582 } 18583 // Parse package 18584 int parseFlags = mDefParseFlags; 18585 if (args.isExternalAsec()) { 18586 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18587 } 18588 if (args.isFwdLocked()) { 18589 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18590 } 18591 18592 synchronized (mInstallLock) { 18593 PackageParser.Package pkg = null; 18594 try { 18595 // Sadly we don't know the package name yet to freeze it 18596 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18597 SCAN_IGNORE_FROZEN, 0, null); 18598 } catch (PackageManagerException e) { 18599 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18600 } 18601 // Scan the package 18602 if (pkg != null) { 18603 /* 18604 * TODO why is the lock being held? doPostInstall is 18605 * called in other places without the lock. This needs 18606 * to be straightened out. 18607 */ 18608 // writer 18609 synchronized (mPackages) { 18610 retCode = PackageManager.INSTALL_SUCCEEDED; 18611 pkgList.add(pkg.packageName); 18612 // Post process args 18613 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18614 pkg.applicationInfo.uid); 18615 } 18616 } else { 18617 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18618 } 18619 } 18620 18621 } finally { 18622 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18623 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18624 } 18625 } 18626 } 18627 // writer 18628 synchronized (mPackages) { 18629 // If the platform SDK has changed since the last time we booted, 18630 // we need to re-grant app permission to catch any new ones that 18631 // appear. This is really a hack, and means that apps can in some 18632 // cases get permissions that the user didn't initially explicitly 18633 // allow... it would be nice to have some better way to handle 18634 // this situation. 18635 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18636 : mSettings.getInternalVersion(); 18637 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18638 : StorageManager.UUID_PRIVATE_INTERNAL; 18639 18640 int updateFlags = UPDATE_PERMISSIONS_ALL; 18641 if (ver.sdkVersion != mSdkVersion) { 18642 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18643 + mSdkVersion + "; regranting permissions for external"); 18644 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18645 } 18646 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18647 18648 // Yay, everything is now upgraded 18649 ver.forceCurrent(); 18650 18651 // can downgrade to reader 18652 // Persist settings 18653 mSettings.writeLPr(); 18654 } 18655 // Send a broadcast to let everyone know we are done processing 18656 if (pkgList.size() > 0) { 18657 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18658 } 18659 } 18660 18661 /* 18662 * Utility method to unload a list of specified containers 18663 */ 18664 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18665 // Just unmount all valid containers. 18666 for (AsecInstallArgs arg : cidArgs) { 18667 synchronized (mInstallLock) { 18668 arg.doPostDeleteLI(false); 18669 } 18670 } 18671 } 18672 18673 /* 18674 * Unload packages mounted on external media. This involves deleting package 18675 * data from internal structures, sending broadcasts about disabled packages, 18676 * gc'ing to free up references, unmounting all secure containers 18677 * corresponding to packages on external media, and posting a 18678 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18679 * that we always have to post this message if status has been requested no 18680 * matter what. 18681 */ 18682 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18683 final boolean reportStatus) { 18684 if (DEBUG_SD_INSTALL) 18685 Log.i(TAG, "unloading media packages"); 18686 ArrayList<String> pkgList = new ArrayList<String>(); 18687 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18688 final Set<AsecInstallArgs> keys = processCids.keySet(); 18689 for (AsecInstallArgs args : keys) { 18690 String pkgName = args.getPackageName(); 18691 if (DEBUG_SD_INSTALL) 18692 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18693 // Delete package internally 18694 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18695 synchronized (mInstallLock) { 18696 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18697 final boolean res; 18698 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18699 "unloadMediaPackages")) { 18700 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18701 null); 18702 } 18703 if (res) { 18704 pkgList.add(pkgName); 18705 } else { 18706 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18707 failedList.add(args); 18708 } 18709 } 18710 } 18711 18712 // reader 18713 synchronized (mPackages) { 18714 // We didn't update the settings after removing each package; 18715 // write them now for all packages. 18716 mSettings.writeLPr(); 18717 } 18718 18719 // We have to absolutely send UPDATED_MEDIA_STATUS only 18720 // after confirming that all the receivers processed the ordered 18721 // broadcast when packages get disabled, force a gc to clean things up. 18722 // and unload all the containers. 18723 if (pkgList.size() > 0) { 18724 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18725 new IIntentReceiver.Stub() { 18726 public void performReceive(Intent intent, int resultCode, String data, 18727 Bundle extras, boolean ordered, boolean sticky, 18728 int sendingUser) throws RemoteException { 18729 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18730 reportStatus ? 1 : 0, 1, keys); 18731 mHandler.sendMessage(msg); 18732 } 18733 }); 18734 } else { 18735 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18736 keys); 18737 mHandler.sendMessage(msg); 18738 } 18739 } 18740 18741 private void loadPrivatePackages(final VolumeInfo vol) { 18742 mHandler.post(new Runnable() { 18743 @Override 18744 public void run() { 18745 loadPrivatePackagesInner(vol); 18746 } 18747 }); 18748 } 18749 18750 private void loadPrivatePackagesInner(VolumeInfo vol) { 18751 final String volumeUuid = vol.fsUuid; 18752 if (TextUtils.isEmpty(volumeUuid)) { 18753 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18754 return; 18755 } 18756 18757 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18758 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18759 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18760 18761 final VersionInfo ver; 18762 final List<PackageSetting> packages; 18763 synchronized (mPackages) { 18764 ver = mSettings.findOrCreateVersion(volumeUuid); 18765 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18766 } 18767 18768 for (PackageSetting ps : packages) { 18769 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18770 synchronized (mInstallLock) { 18771 final PackageParser.Package pkg; 18772 try { 18773 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18774 loaded.add(pkg.applicationInfo); 18775 18776 } catch (PackageManagerException e) { 18777 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18778 } 18779 18780 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18781 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18782 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18783 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18784 } 18785 } 18786 } 18787 18788 // Reconcile app data for all started/unlocked users 18789 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18790 final UserManager um = mContext.getSystemService(UserManager.class); 18791 for (UserInfo user : um.getUsers()) { 18792 final int flags; 18793 if (um.isUserUnlocked(user.id)) { 18794 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18795 } else if (um.isUserRunning(user.id)) { 18796 flags = StorageManager.FLAG_STORAGE_DE; 18797 } else { 18798 continue; 18799 } 18800 18801 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18802 synchronized (mInstallLock) { 18803 reconcileAppsDataLI(volumeUuid, user.id, flags); 18804 } 18805 } 18806 18807 synchronized (mPackages) { 18808 int updateFlags = UPDATE_PERMISSIONS_ALL; 18809 if (ver.sdkVersion != mSdkVersion) { 18810 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18811 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18812 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18813 } 18814 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18815 18816 // Yay, everything is now upgraded 18817 ver.forceCurrent(); 18818 18819 mSettings.writeLPr(); 18820 } 18821 18822 for (PackageFreezer freezer : freezers) { 18823 freezer.close(); 18824 } 18825 18826 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18827 sendResourcesChangedBroadcast(true, false, loaded, null); 18828 } 18829 18830 private void unloadPrivatePackages(final VolumeInfo vol) { 18831 mHandler.post(new Runnable() { 18832 @Override 18833 public void run() { 18834 unloadPrivatePackagesInner(vol); 18835 } 18836 }); 18837 } 18838 18839 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18840 final String volumeUuid = vol.fsUuid; 18841 if (TextUtils.isEmpty(volumeUuid)) { 18842 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18843 return; 18844 } 18845 18846 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18847 synchronized (mInstallLock) { 18848 synchronized (mPackages) { 18849 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18850 for (PackageSetting ps : packages) { 18851 if (ps.pkg == null) continue; 18852 18853 final ApplicationInfo info = ps.pkg.applicationInfo; 18854 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18855 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18856 18857 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18858 "unloadPrivatePackagesInner")) { 18859 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18860 false, null)) { 18861 unloaded.add(info); 18862 } else { 18863 Slog.w(TAG, "Failed to unload " + ps.codePath); 18864 } 18865 } 18866 } 18867 18868 mSettings.writeLPr(); 18869 } 18870 } 18871 18872 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18873 sendResourcesChangedBroadcast(false, false, unloaded, null); 18874 } 18875 18876 /** 18877 * Prepare storage areas for given user on all mounted devices. 18878 */ 18879 void prepareUserData(int userId, int userSerial, int flags) { 18880 synchronized (mInstallLock) { 18881 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18882 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18883 final String volumeUuid = vol.getFsUuid(); 18884 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 18885 } 18886 } 18887 } 18888 18889 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 18890 boolean allowRecover) { 18891 // Prepare storage and verify that serial numbers are consistent; if 18892 // there's a mismatch we need to destroy to avoid leaking data 18893 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18894 try { 18895 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 18896 18897 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 18898 UserManagerService.enforceSerialNumber( 18899 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 18900 } 18901 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 18902 UserManagerService.enforceSerialNumber( 18903 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 18904 } 18905 18906 synchronized (mInstallLock) { 18907 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 18908 } 18909 } catch (Exception e) { 18910 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 18911 + " because we failed to prepare: " + e); 18912 destroyUserDataLI(volumeUuid, userId, 18913 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18914 18915 if (allowRecover) { 18916 // Try one last time; if we fail again we're really in trouble 18917 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 18918 } 18919 } 18920 } 18921 18922 /** 18923 * Destroy storage areas for given user on all mounted devices. 18924 */ 18925 void destroyUserData(int userId, int flags) { 18926 synchronized (mInstallLock) { 18927 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18928 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18929 final String volumeUuid = vol.getFsUuid(); 18930 destroyUserDataLI(volumeUuid, userId, flags); 18931 } 18932 } 18933 } 18934 18935 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 18936 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18937 try { 18938 // Clean up app data, profile data, and media data 18939 mInstaller.destroyUserData(volumeUuid, userId, flags); 18940 18941 // Clean up system data 18942 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 18943 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18944 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 18945 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 18946 } 18947 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18948 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 18949 } 18950 } 18951 18952 // Data with special labels is now gone, so finish the job 18953 storage.destroyUserStorage(volumeUuid, userId, flags); 18954 18955 } catch (Exception e) { 18956 logCriticalInfo(Log.WARN, 18957 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 18958 } 18959 } 18960 18961 /** 18962 * Examine all users present on given mounted volume, and destroy data 18963 * belonging to users that are no longer valid, or whose user ID has been 18964 * recycled. 18965 */ 18966 private void reconcileUsers(String volumeUuid) { 18967 final List<File> files = new ArrayList<>(); 18968 Collections.addAll(files, FileUtils 18969 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 18970 Collections.addAll(files, FileUtils 18971 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 18972 for (File file : files) { 18973 if (!file.isDirectory()) continue; 18974 18975 final int userId; 18976 final UserInfo info; 18977 try { 18978 userId = Integer.parseInt(file.getName()); 18979 info = sUserManager.getUserInfo(userId); 18980 } catch (NumberFormatException e) { 18981 Slog.w(TAG, "Invalid user directory " + file); 18982 continue; 18983 } 18984 18985 boolean destroyUser = false; 18986 if (info == null) { 18987 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18988 + " because no matching user was found"); 18989 destroyUser = true; 18990 } else if (!mOnlyCore) { 18991 try { 18992 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18993 } catch (IOException e) { 18994 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18995 + " because we failed to enforce serial number: " + e); 18996 destroyUser = true; 18997 } 18998 } 18999 19000 if (destroyUser) { 19001 synchronized (mInstallLock) { 19002 destroyUserDataLI(volumeUuid, userId, 19003 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19004 } 19005 } 19006 } 19007 } 19008 19009 private void assertPackageKnown(String volumeUuid, String packageName) 19010 throws PackageManagerException { 19011 synchronized (mPackages) { 19012 final PackageSetting ps = mSettings.mPackages.get(packageName); 19013 if (ps == null) { 19014 throw new PackageManagerException("Package " + packageName + " is unknown"); 19015 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19016 throw new PackageManagerException( 19017 "Package " + packageName + " found on unknown volume " + volumeUuid 19018 + "; expected volume " + ps.volumeUuid); 19019 } 19020 } 19021 } 19022 19023 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19024 throws PackageManagerException { 19025 synchronized (mPackages) { 19026 final PackageSetting ps = mSettings.mPackages.get(packageName); 19027 if (ps == null) { 19028 throw new PackageManagerException("Package " + packageName + " is unknown"); 19029 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19030 throw new PackageManagerException( 19031 "Package " + packageName + " found on unknown volume " + volumeUuid 19032 + "; expected volume " + ps.volumeUuid); 19033 } else if (!ps.getInstalled(userId)) { 19034 throw new PackageManagerException( 19035 "Package " + packageName + " not installed for user " + userId); 19036 } 19037 } 19038 } 19039 19040 /** 19041 * Examine all apps present on given mounted volume, and destroy apps that 19042 * aren't expected, either due to uninstallation or reinstallation on 19043 * another volume. 19044 */ 19045 private void reconcileApps(String volumeUuid) { 19046 final File[] files = FileUtils 19047 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19048 for (File file : files) { 19049 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19050 && !PackageInstallerService.isStageName(file.getName()); 19051 if (!isPackage) { 19052 // Ignore entries which are not packages 19053 continue; 19054 } 19055 19056 try { 19057 final PackageLite pkg = PackageParser.parsePackageLite(file, 19058 PackageParser.PARSE_MUST_BE_APK); 19059 assertPackageKnown(volumeUuid, pkg.packageName); 19060 19061 } catch (PackageParserException | PackageManagerException e) { 19062 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19063 synchronized (mInstallLock) { 19064 removeCodePathLI(file); 19065 } 19066 } 19067 } 19068 } 19069 19070 /** 19071 * Reconcile all app data for the given user. 19072 * <p> 19073 * Verifies that directories exist and that ownership and labeling is 19074 * correct for all installed apps on all mounted volumes. 19075 */ 19076 void reconcileAppsData(int userId, int flags) { 19077 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19078 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19079 final String volumeUuid = vol.getFsUuid(); 19080 synchronized (mInstallLock) { 19081 reconcileAppsDataLI(volumeUuid, userId, flags); 19082 } 19083 } 19084 } 19085 19086 /** 19087 * Reconcile all app data on given mounted volume. 19088 * <p> 19089 * Destroys app data that isn't expected, either due to uninstallation or 19090 * reinstallation on another volume. 19091 * <p> 19092 * Verifies that directories exist and that ownership and labeling is 19093 * correct for all installed apps. 19094 */ 19095 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19096 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19097 + Integer.toHexString(flags)); 19098 19099 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19100 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19101 19102 boolean restoreconNeeded = false; 19103 19104 // First look for stale data that doesn't belong, and check if things 19105 // have changed since we did our last restorecon 19106 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19107 if (!isUserKeyUnlocked(userId)) { 19108 throw new RuntimeException( 19109 "Yikes, someone asked us to reconcile CE storage while " + userId 19110 + " was still locked; this would have caused massive data loss!"); 19111 } 19112 19113 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19114 19115 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19116 for (File file : files) { 19117 final String packageName = file.getName(); 19118 try { 19119 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19120 } catch (PackageManagerException e) { 19121 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19122 try { 19123 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19124 StorageManager.FLAG_STORAGE_CE, 0); 19125 } catch (InstallerException e2) { 19126 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19127 } 19128 } 19129 } 19130 } 19131 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19132 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19133 19134 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19135 for (File file : files) { 19136 final String packageName = file.getName(); 19137 try { 19138 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19139 } catch (PackageManagerException e) { 19140 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19141 try { 19142 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19143 StorageManager.FLAG_STORAGE_DE, 0); 19144 } catch (InstallerException e2) { 19145 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19146 } 19147 } 19148 } 19149 } 19150 19151 // Ensure that data directories are ready to roll for all packages 19152 // installed for this volume and user 19153 final List<PackageSetting> packages; 19154 synchronized (mPackages) { 19155 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19156 } 19157 int preparedCount = 0; 19158 for (PackageSetting ps : packages) { 19159 final String packageName = ps.name; 19160 if (ps.pkg == null) { 19161 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19162 // TODO: might be due to legacy ASEC apps; we should circle back 19163 // and reconcile again once they're scanned 19164 continue; 19165 } 19166 19167 if (ps.getInstalled(userId)) { 19168 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19169 19170 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19171 // We may have just shuffled around app data directories, so 19172 // prepare them one more time 19173 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19174 } 19175 19176 preparedCount++; 19177 } 19178 } 19179 19180 if (restoreconNeeded) { 19181 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19182 SELinuxMMAC.setRestoreconDone(ceDir); 19183 } 19184 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19185 SELinuxMMAC.setRestoreconDone(deDir); 19186 } 19187 } 19188 19189 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19190 + " packages; restoreconNeeded was " + restoreconNeeded); 19191 } 19192 19193 /** 19194 * Prepare app data for the given app just after it was installed or 19195 * upgraded. This method carefully only touches users that it's installed 19196 * for, and it forces a restorecon to handle any seinfo changes. 19197 * <p> 19198 * Verifies that directories exist and that ownership and labeling is 19199 * correct for all installed apps. If there is an ownership mismatch, it 19200 * will try recovering system apps by wiping data; third-party app data is 19201 * left intact. 19202 * <p> 19203 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19204 */ 19205 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19206 final PackageSetting ps; 19207 synchronized (mPackages) { 19208 ps = mSettings.mPackages.get(pkg.packageName); 19209 mSettings.writeKernelMappingLPr(ps); 19210 } 19211 19212 final UserManager um = mContext.getSystemService(UserManager.class); 19213 for (UserInfo user : um.getUsers()) { 19214 final int flags; 19215 if (um.isUserUnlocked(user.id)) { 19216 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19217 } else if (um.isUserRunning(user.id)) { 19218 flags = StorageManager.FLAG_STORAGE_DE; 19219 } else { 19220 continue; 19221 } 19222 19223 if (ps.getInstalled(user.id)) { 19224 // Whenever an app changes, force a restorecon of its data 19225 // TODO: when user data is locked, mark that we're still dirty 19226 prepareAppDataLIF(pkg, user.id, flags, true); 19227 } 19228 } 19229 } 19230 19231 /** 19232 * Prepare app data for the given app. 19233 * <p> 19234 * Verifies that directories exist and that ownership and labeling is 19235 * correct for all installed apps. If there is an ownership mismatch, this 19236 * will try recovering system apps by wiping data; third-party app data is 19237 * left intact. 19238 */ 19239 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19240 boolean restoreconNeeded) { 19241 if (pkg == null) { 19242 Slog.wtf(TAG, "Package was null!", new Throwable()); 19243 return; 19244 } 19245 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19246 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19247 for (int i = 0; i < childCount; i++) { 19248 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19249 } 19250 } 19251 19252 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19253 boolean restoreconNeeded) { 19254 if (DEBUG_APP_DATA) { 19255 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19256 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19257 } 19258 19259 final String volumeUuid = pkg.volumeUuid; 19260 final String packageName = pkg.packageName; 19261 final ApplicationInfo app = pkg.applicationInfo; 19262 final int appId = UserHandle.getAppId(app.uid); 19263 19264 Preconditions.checkNotNull(app.seinfo); 19265 19266 try { 19267 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19268 appId, app.seinfo, app.targetSdkVersion); 19269 } catch (InstallerException e) { 19270 if (app.isSystemApp()) { 19271 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19272 + ", but trying to recover: " + e); 19273 destroyAppDataLeafLIF(pkg, userId, flags); 19274 try { 19275 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19276 appId, app.seinfo, app.targetSdkVersion); 19277 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19278 } catch (InstallerException e2) { 19279 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19280 } 19281 } else { 19282 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19283 } 19284 } 19285 19286 if (restoreconNeeded) { 19287 try { 19288 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19289 app.seinfo); 19290 } catch (InstallerException e) { 19291 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19292 } 19293 } 19294 19295 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19296 try { 19297 // CE storage is unlocked right now, so read out the inode and 19298 // remember for use later when it's locked 19299 // TODO: mark this structure as dirty so we persist it! 19300 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19301 StorageManager.FLAG_STORAGE_CE); 19302 synchronized (mPackages) { 19303 final PackageSetting ps = mSettings.mPackages.get(packageName); 19304 if (ps != null) { 19305 ps.setCeDataInode(ceDataInode, userId); 19306 } 19307 } 19308 } catch (InstallerException e) { 19309 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19310 } 19311 } 19312 19313 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19314 } 19315 19316 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19317 if (pkg == null) { 19318 Slog.wtf(TAG, "Package was null!", new Throwable()); 19319 return; 19320 } 19321 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19322 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19323 for (int i = 0; i < childCount; i++) { 19324 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19325 } 19326 } 19327 19328 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19329 final String volumeUuid = pkg.volumeUuid; 19330 final String packageName = pkg.packageName; 19331 final ApplicationInfo app = pkg.applicationInfo; 19332 19333 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19334 // Create a native library symlink only if we have native libraries 19335 // and if the native libraries are 32 bit libraries. We do not provide 19336 // this symlink for 64 bit libraries. 19337 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19338 final String nativeLibPath = app.nativeLibraryDir; 19339 try { 19340 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19341 nativeLibPath, userId); 19342 } catch (InstallerException e) { 19343 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19344 } 19345 } 19346 } 19347 } 19348 19349 /** 19350 * For system apps on non-FBE devices, this method migrates any existing 19351 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19352 * requested by the app. 19353 */ 19354 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19355 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19356 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19357 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19358 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19359 try { 19360 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19361 storageTarget); 19362 } catch (InstallerException e) { 19363 logCriticalInfo(Log.WARN, 19364 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19365 } 19366 return true; 19367 } else { 19368 return false; 19369 } 19370 } 19371 19372 public PackageFreezer freezePackage(String packageName, String killReason) { 19373 return new PackageFreezer(packageName, killReason); 19374 } 19375 19376 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19377 String killReason) { 19378 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19379 return new PackageFreezer(); 19380 } else { 19381 return freezePackage(packageName, killReason); 19382 } 19383 } 19384 19385 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19386 String killReason) { 19387 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19388 return new PackageFreezer(); 19389 } else { 19390 return freezePackage(packageName, killReason); 19391 } 19392 } 19393 19394 /** 19395 * Class that freezes and kills the given package upon creation, and 19396 * unfreezes it upon closing. This is typically used when doing surgery on 19397 * app code/data to prevent the app from running while you're working. 19398 */ 19399 private class PackageFreezer implements AutoCloseable { 19400 private final String mPackageName; 19401 private final PackageFreezer[] mChildren; 19402 19403 private final boolean mWeFroze; 19404 19405 private final AtomicBoolean mClosed = new AtomicBoolean(); 19406 private final CloseGuard mCloseGuard = CloseGuard.get(); 19407 19408 /** 19409 * Create and return a stub freezer that doesn't actually do anything, 19410 * typically used when someone requested 19411 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19412 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19413 */ 19414 public PackageFreezer() { 19415 mPackageName = null; 19416 mChildren = null; 19417 mWeFroze = false; 19418 mCloseGuard.open("close"); 19419 } 19420 19421 public PackageFreezer(String packageName, String killReason) { 19422 synchronized (mPackages) { 19423 mPackageName = packageName; 19424 mWeFroze = mFrozenPackages.add(mPackageName); 19425 19426 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19427 if (ps != null) { 19428 killApplication(ps.name, ps.appId, killReason); 19429 } 19430 19431 final PackageParser.Package p = mPackages.get(packageName); 19432 if (p != null && p.childPackages != null) { 19433 final int N = p.childPackages.size(); 19434 mChildren = new PackageFreezer[N]; 19435 for (int i = 0; i < N; i++) { 19436 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19437 killReason); 19438 } 19439 } else { 19440 mChildren = null; 19441 } 19442 } 19443 mCloseGuard.open("close"); 19444 } 19445 19446 @Override 19447 protected void finalize() throws Throwable { 19448 try { 19449 mCloseGuard.warnIfOpen(); 19450 close(); 19451 } finally { 19452 super.finalize(); 19453 } 19454 } 19455 19456 @Override 19457 public void close() { 19458 mCloseGuard.close(); 19459 if (mClosed.compareAndSet(false, true)) { 19460 synchronized (mPackages) { 19461 if (mWeFroze) { 19462 mFrozenPackages.remove(mPackageName); 19463 } 19464 19465 if (mChildren != null) { 19466 for (PackageFreezer freezer : mChildren) { 19467 freezer.close(); 19468 } 19469 } 19470 } 19471 } 19472 } 19473 } 19474 19475 /** 19476 * Verify that given package is currently frozen. 19477 */ 19478 private void checkPackageFrozen(String packageName) { 19479 synchronized (mPackages) { 19480 if (!mFrozenPackages.contains(packageName)) { 19481 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19482 } 19483 } 19484 } 19485 19486 @Override 19487 public int movePackage(final String packageName, final String volumeUuid) { 19488 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19489 19490 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19491 final int moveId = mNextMoveId.getAndIncrement(); 19492 mHandler.post(new Runnable() { 19493 @Override 19494 public void run() { 19495 try { 19496 movePackageInternal(packageName, volumeUuid, moveId, user); 19497 } catch (PackageManagerException e) { 19498 Slog.w(TAG, "Failed to move " + packageName, e); 19499 mMoveCallbacks.notifyStatusChanged(moveId, 19500 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19501 } 19502 } 19503 }); 19504 return moveId; 19505 } 19506 19507 private void movePackageInternal(final String packageName, final String volumeUuid, 19508 final int moveId, UserHandle user) throws PackageManagerException { 19509 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19510 final PackageManager pm = mContext.getPackageManager(); 19511 19512 final boolean currentAsec; 19513 final String currentVolumeUuid; 19514 final File codeFile; 19515 final String installerPackageName; 19516 final String packageAbiOverride; 19517 final int appId; 19518 final String seinfo; 19519 final String label; 19520 final int targetSdkVersion; 19521 final PackageFreezer freezer; 19522 19523 // reader 19524 synchronized (mPackages) { 19525 final PackageParser.Package pkg = mPackages.get(packageName); 19526 final PackageSetting ps = mSettings.mPackages.get(packageName); 19527 if (pkg == null || ps == null) { 19528 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19529 } 19530 19531 if (pkg.applicationInfo.isSystemApp()) { 19532 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19533 "Cannot move system application"); 19534 } 19535 19536 if (pkg.applicationInfo.isExternalAsec()) { 19537 currentAsec = true; 19538 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19539 } else if (pkg.applicationInfo.isForwardLocked()) { 19540 currentAsec = true; 19541 currentVolumeUuid = "forward_locked"; 19542 } else { 19543 currentAsec = false; 19544 currentVolumeUuid = ps.volumeUuid; 19545 19546 final File probe = new File(pkg.codePath); 19547 final File probeOat = new File(probe, "oat"); 19548 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19549 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19550 "Move only supported for modern cluster style installs"); 19551 } 19552 } 19553 19554 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19555 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19556 "Package already moved to " + volumeUuid); 19557 } 19558 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19559 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19560 "Device admin cannot be moved"); 19561 } 19562 19563 if (mFrozenPackages.contains(packageName)) { 19564 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19565 "Failed to move already frozen package"); 19566 } 19567 19568 codeFile = new File(pkg.codePath); 19569 installerPackageName = ps.installerPackageName; 19570 packageAbiOverride = ps.cpuAbiOverrideString; 19571 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19572 seinfo = pkg.applicationInfo.seinfo; 19573 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19574 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19575 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19576 } 19577 19578 final Bundle extras = new Bundle(); 19579 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19580 extras.putString(Intent.EXTRA_TITLE, label); 19581 mMoveCallbacks.notifyCreated(moveId, extras); 19582 19583 int installFlags; 19584 final boolean moveCompleteApp; 19585 final File measurePath; 19586 19587 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19588 installFlags = INSTALL_INTERNAL; 19589 moveCompleteApp = !currentAsec; 19590 measurePath = Environment.getDataAppDirectory(volumeUuid); 19591 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19592 installFlags = INSTALL_EXTERNAL; 19593 moveCompleteApp = false; 19594 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19595 } else { 19596 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19597 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19598 || !volume.isMountedWritable()) { 19599 freezer.close(); 19600 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19601 "Move location not mounted private volume"); 19602 } 19603 19604 Preconditions.checkState(!currentAsec); 19605 19606 installFlags = INSTALL_INTERNAL; 19607 moveCompleteApp = true; 19608 measurePath = Environment.getDataAppDirectory(volumeUuid); 19609 } 19610 19611 final PackageStats stats = new PackageStats(null, -1); 19612 synchronized (mInstaller) { 19613 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19614 freezer.close(); 19615 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19616 "Failed to measure package size"); 19617 } 19618 } 19619 19620 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19621 + stats.dataSize); 19622 19623 final long startFreeBytes = measurePath.getFreeSpace(); 19624 final long sizeBytes; 19625 if (moveCompleteApp) { 19626 sizeBytes = stats.codeSize + stats.dataSize; 19627 } else { 19628 sizeBytes = stats.codeSize; 19629 } 19630 19631 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19632 freezer.close(); 19633 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19634 "Not enough free space to move"); 19635 } 19636 19637 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19638 19639 final CountDownLatch installedLatch = new CountDownLatch(1); 19640 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19641 @Override 19642 public void onUserActionRequired(Intent intent) throws RemoteException { 19643 throw new IllegalStateException(); 19644 } 19645 19646 @Override 19647 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19648 Bundle extras) throws RemoteException { 19649 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19650 + PackageManager.installStatusToString(returnCode, msg)); 19651 19652 installedLatch.countDown(); 19653 freezer.close(); 19654 19655 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19656 switch (status) { 19657 case PackageInstaller.STATUS_SUCCESS: 19658 mMoveCallbacks.notifyStatusChanged(moveId, 19659 PackageManager.MOVE_SUCCEEDED); 19660 break; 19661 case PackageInstaller.STATUS_FAILURE_STORAGE: 19662 mMoveCallbacks.notifyStatusChanged(moveId, 19663 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19664 break; 19665 default: 19666 mMoveCallbacks.notifyStatusChanged(moveId, 19667 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19668 break; 19669 } 19670 } 19671 }; 19672 19673 final MoveInfo move; 19674 if (moveCompleteApp) { 19675 // Kick off a thread to report progress estimates 19676 new Thread() { 19677 @Override 19678 public void run() { 19679 while (true) { 19680 try { 19681 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19682 break; 19683 } 19684 } catch (InterruptedException ignored) { 19685 } 19686 19687 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19688 final int progress = 10 + (int) MathUtils.constrain( 19689 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19690 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19691 } 19692 } 19693 }.start(); 19694 19695 final String dataAppName = codeFile.getName(); 19696 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19697 dataAppName, appId, seinfo, targetSdkVersion); 19698 } else { 19699 move = null; 19700 } 19701 19702 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19703 19704 final Message msg = mHandler.obtainMessage(INIT_COPY); 19705 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19706 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19707 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19708 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19709 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19710 msg.obj = params; 19711 19712 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19713 System.identityHashCode(msg.obj)); 19714 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19715 System.identityHashCode(msg.obj)); 19716 19717 mHandler.sendMessage(msg); 19718 } 19719 19720 @Override 19721 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19722 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19723 19724 final int realMoveId = mNextMoveId.getAndIncrement(); 19725 final Bundle extras = new Bundle(); 19726 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19727 mMoveCallbacks.notifyCreated(realMoveId, extras); 19728 19729 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19730 @Override 19731 public void onCreated(int moveId, Bundle extras) { 19732 // Ignored 19733 } 19734 19735 @Override 19736 public void onStatusChanged(int moveId, int status, long estMillis) { 19737 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19738 } 19739 }; 19740 19741 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19742 storage.setPrimaryStorageUuid(volumeUuid, callback); 19743 return realMoveId; 19744 } 19745 19746 @Override 19747 public int getMoveStatus(int moveId) { 19748 mContext.enforceCallingOrSelfPermission( 19749 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19750 return mMoveCallbacks.mLastStatus.get(moveId); 19751 } 19752 19753 @Override 19754 public void registerMoveCallback(IPackageMoveObserver callback) { 19755 mContext.enforceCallingOrSelfPermission( 19756 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19757 mMoveCallbacks.register(callback); 19758 } 19759 19760 @Override 19761 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19762 mContext.enforceCallingOrSelfPermission( 19763 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19764 mMoveCallbacks.unregister(callback); 19765 } 19766 19767 @Override 19768 public boolean setInstallLocation(int loc) { 19769 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19770 null); 19771 if (getInstallLocation() == loc) { 19772 return true; 19773 } 19774 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19775 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19776 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19777 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19778 return true; 19779 } 19780 return false; 19781 } 19782 19783 @Override 19784 public int getInstallLocation() { 19785 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19786 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19787 PackageHelper.APP_INSTALL_AUTO); 19788 } 19789 19790 /** Called by UserManagerService */ 19791 void cleanUpUser(UserManagerService userManager, int userHandle) { 19792 synchronized (mPackages) { 19793 mDirtyUsers.remove(userHandle); 19794 mUserNeedsBadging.delete(userHandle); 19795 mSettings.removeUserLPw(userHandle); 19796 mPendingBroadcasts.remove(userHandle); 19797 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19798 removeUnusedPackagesLPw(userManager, userHandle); 19799 } 19800 } 19801 19802 /** 19803 * We're removing userHandle and would like to remove any downloaded packages 19804 * that are no longer in use by any other user. 19805 * @param userHandle the user being removed 19806 */ 19807 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19808 final boolean DEBUG_CLEAN_APKS = false; 19809 int [] users = userManager.getUserIds(); 19810 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19811 while (psit.hasNext()) { 19812 PackageSetting ps = psit.next(); 19813 if (ps.pkg == null) { 19814 continue; 19815 } 19816 final String packageName = ps.pkg.packageName; 19817 // Skip over if system app 19818 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19819 continue; 19820 } 19821 if (DEBUG_CLEAN_APKS) { 19822 Slog.i(TAG, "Checking package " + packageName); 19823 } 19824 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19825 if (keep) { 19826 if (DEBUG_CLEAN_APKS) { 19827 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19828 } 19829 } else { 19830 for (int i = 0; i < users.length; i++) { 19831 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19832 keep = true; 19833 if (DEBUG_CLEAN_APKS) { 19834 Slog.i(TAG, " Keeping package " + packageName + " for user " 19835 + users[i]); 19836 } 19837 break; 19838 } 19839 } 19840 } 19841 if (!keep) { 19842 if (DEBUG_CLEAN_APKS) { 19843 Slog.i(TAG, " Removing package " + packageName); 19844 } 19845 mHandler.post(new Runnable() { 19846 public void run() { 19847 deletePackageX(packageName, userHandle, 0); 19848 } //end run 19849 }); 19850 } 19851 } 19852 } 19853 19854 /** Called by UserManagerService */ 19855 void createNewUser(int userHandle) { 19856 synchronized (mInstallLock) { 19857 mSettings.createNewUserLI(this, mInstaller, userHandle); 19858 } 19859 synchronized (mPackages) { 19860 applyFactoryDefaultBrowserLPw(userHandle); 19861 primeDomainVerificationsLPw(userHandle); 19862 } 19863 } 19864 19865 void newUserCreated(final int userHandle) { 19866 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19867 // If permission review for legacy apps is required, we represent 19868 // dagerous permissions for such apps as always granted runtime 19869 // permissions to keep per user flag state whether review is needed. 19870 // Hence, if a new user is added we have to propagate dangerous 19871 // permission grants for these legacy apps. 19872 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19873 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19874 | UPDATE_PERMISSIONS_REPLACE_ALL); 19875 } 19876 } 19877 19878 @Override 19879 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19880 mContext.enforceCallingOrSelfPermission( 19881 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19882 "Only package verification agents can read the verifier device identity"); 19883 19884 synchronized (mPackages) { 19885 return mSettings.getVerifierDeviceIdentityLPw(); 19886 } 19887 } 19888 19889 @Override 19890 public void setPermissionEnforced(String permission, boolean enforced) { 19891 // TODO: Now that we no longer change GID for storage, this should to away. 19892 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19893 "setPermissionEnforced"); 19894 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19895 synchronized (mPackages) { 19896 if (mSettings.mReadExternalStorageEnforced == null 19897 || mSettings.mReadExternalStorageEnforced != enforced) { 19898 mSettings.mReadExternalStorageEnforced = enforced; 19899 mSettings.writeLPr(); 19900 } 19901 } 19902 // kill any non-foreground processes so we restart them and 19903 // grant/revoke the GID. 19904 final IActivityManager am = ActivityManagerNative.getDefault(); 19905 if (am != null) { 19906 final long token = Binder.clearCallingIdentity(); 19907 try { 19908 am.killProcessesBelowForeground("setPermissionEnforcement"); 19909 } catch (RemoteException e) { 19910 } finally { 19911 Binder.restoreCallingIdentity(token); 19912 } 19913 } 19914 } else { 19915 throw new IllegalArgumentException("No selective enforcement for " + permission); 19916 } 19917 } 19918 19919 @Override 19920 @Deprecated 19921 public boolean isPermissionEnforced(String permission) { 19922 return true; 19923 } 19924 19925 @Override 19926 public boolean isStorageLow() { 19927 final long token = Binder.clearCallingIdentity(); 19928 try { 19929 final DeviceStorageMonitorInternal 19930 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19931 if (dsm != null) { 19932 return dsm.isMemoryLow(); 19933 } else { 19934 return false; 19935 } 19936 } finally { 19937 Binder.restoreCallingIdentity(token); 19938 } 19939 } 19940 19941 @Override 19942 public IPackageInstaller getPackageInstaller() { 19943 return mInstallerService; 19944 } 19945 19946 private boolean userNeedsBadging(int userId) { 19947 int index = mUserNeedsBadging.indexOfKey(userId); 19948 if (index < 0) { 19949 final UserInfo userInfo; 19950 final long token = Binder.clearCallingIdentity(); 19951 try { 19952 userInfo = sUserManager.getUserInfo(userId); 19953 } finally { 19954 Binder.restoreCallingIdentity(token); 19955 } 19956 final boolean b; 19957 if (userInfo != null && userInfo.isManagedProfile()) { 19958 b = true; 19959 } else { 19960 b = false; 19961 } 19962 mUserNeedsBadging.put(userId, b); 19963 return b; 19964 } 19965 return mUserNeedsBadging.valueAt(index); 19966 } 19967 19968 @Override 19969 public KeySet getKeySetByAlias(String packageName, String alias) { 19970 if (packageName == null || alias == null) { 19971 return null; 19972 } 19973 synchronized(mPackages) { 19974 final PackageParser.Package pkg = mPackages.get(packageName); 19975 if (pkg == null) { 19976 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19977 throw new IllegalArgumentException("Unknown package: " + packageName); 19978 } 19979 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19980 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19981 } 19982 } 19983 19984 @Override 19985 public KeySet getSigningKeySet(String packageName) { 19986 if (packageName == null) { 19987 return null; 19988 } 19989 synchronized(mPackages) { 19990 final PackageParser.Package pkg = mPackages.get(packageName); 19991 if (pkg == null) { 19992 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19993 throw new IllegalArgumentException("Unknown package: " + packageName); 19994 } 19995 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19996 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19997 throw new SecurityException("May not access signing KeySet of other apps."); 19998 } 19999 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20000 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20001 } 20002 } 20003 20004 @Override 20005 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20006 if (packageName == null || ks == null) { 20007 return false; 20008 } 20009 synchronized(mPackages) { 20010 final PackageParser.Package pkg = mPackages.get(packageName); 20011 if (pkg == null) { 20012 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20013 throw new IllegalArgumentException("Unknown package: " + packageName); 20014 } 20015 IBinder ksh = ks.getToken(); 20016 if (ksh instanceof KeySetHandle) { 20017 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20018 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20019 } 20020 return false; 20021 } 20022 } 20023 20024 @Override 20025 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20026 if (packageName == null || ks == null) { 20027 return false; 20028 } 20029 synchronized(mPackages) { 20030 final PackageParser.Package pkg = mPackages.get(packageName); 20031 if (pkg == null) { 20032 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20033 throw new IllegalArgumentException("Unknown package: " + packageName); 20034 } 20035 IBinder ksh = ks.getToken(); 20036 if (ksh instanceof KeySetHandle) { 20037 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20038 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20039 } 20040 return false; 20041 } 20042 } 20043 20044 private void deletePackageIfUnusedLPr(final String packageName) { 20045 PackageSetting ps = mSettings.mPackages.get(packageName); 20046 if (ps == null) { 20047 return; 20048 } 20049 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20050 // TODO Implement atomic delete if package is unused 20051 // It is currently possible that the package will be deleted even if it is installed 20052 // after this method returns. 20053 mHandler.post(new Runnable() { 20054 public void run() { 20055 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20056 } 20057 }); 20058 } 20059 } 20060 20061 /** 20062 * Check and throw if the given before/after packages would be considered a 20063 * downgrade. 20064 */ 20065 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20066 throws PackageManagerException { 20067 if (after.versionCode < before.mVersionCode) { 20068 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20069 "Update version code " + after.versionCode + " is older than current " 20070 + before.mVersionCode); 20071 } else if (after.versionCode == before.mVersionCode) { 20072 if (after.baseRevisionCode < before.baseRevisionCode) { 20073 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20074 "Update base revision code " + after.baseRevisionCode 20075 + " is older than current " + before.baseRevisionCode); 20076 } 20077 20078 if (!ArrayUtils.isEmpty(after.splitNames)) { 20079 for (int i = 0; i < after.splitNames.length; i++) { 20080 final String splitName = after.splitNames[i]; 20081 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20082 if (j != -1) { 20083 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20084 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20085 "Update split " + splitName + " revision code " 20086 + after.splitRevisionCodes[i] + " is older than current " 20087 + before.splitRevisionCodes[j]); 20088 } 20089 } 20090 } 20091 } 20092 } 20093 } 20094 20095 private static class MoveCallbacks extends Handler { 20096 private static final int MSG_CREATED = 1; 20097 private static final int MSG_STATUS_CHANGED = 2; 20098 20099 private final RemoteCallbackList<IPackageMoveObserver> 20100 mCallbacks = new RemoteCallbackList<>(); 20101 20102 private final SparseIntArray mLastStatus = new SparseIntArray(); 20103 20104 public MoveCallbacks(Looper looper) { 20105 super(looper); 20106 } 20107 20108 public void register(IPackageMoveObserver callback) { 20109 mCallbacks.register(callback); 20110 } 20111 20112 public void unregister(IPackageMoveObserver callback) { 20113 mCallbacks.unregister(callback); 20114 } 20115 20116 @Override 20117 public void handleMessage(Message msg) { 20118 final SomeArgs args = (SomeArgs) msg.obj; 20119 final int n = mCallbacks.beginBroadcast(); 20120 for (int i = 0; i < n; i++) { 20121 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20122 try { 20123 invokeCallback(callback, msg.what, args); 20124 } catch (RemoteException ignored) { 20125 } 20126 } 20127 mCallbacks.finishBroadcast(); 20128 args.recycle(); 20129 } 20130 20131 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20132 throws RemoteException { 20133 switch (what) { 20134 case MSG_CREATED: { 20135 callback.onCreated(args.argi1, (Bundle) args.arg2); 20136 break; 20137 } 20138 case MSG_STATUS_CHANGED: { 20139 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20140 break; 20141 } 20142 } 20143 } 20144 20145 private void notifyCreated(int moveId, Bundle extras) { 20146 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20147 20148 final SomeArgs args = SomeArgs.obtain(); 20149 args.argi1 = moveId; 20150 args.arg2 = extras; 20151 obtainMessage(MSG_CREATED, args).sendToTarget(); 20152 } 20153 20154 private void notifyStatusChanged(int moveId, int status) { 20155 notifyStatusChanged(moveId, status, -1); 20156 } 20157 20158 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20159 Slog.v(TAG, "Move " + moveId + " status " + status); 20160 20161 final SomeArgs args = SomeArgs.obtain(); 20162 args.argi1 = moveId; 20163 args.argi2 = status; 20164 args.arg3 = estMillis; 20165 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20166 20167 synchronized (mLastStatus) { 20168 mLastStatus.put(moveId, status); 20169 } 20170 } 20171 } 20172 20173 private final static class OnPermissionChangeListeners extends Handler { 20174 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20175 20176 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20177 new RemoteCallbackList<>(); 20178 20179 public OnPermissionChangeListeners(Looper looper) { 20180 super(looper); 20181 } 20182 20183 @Override 20184 public void handleMessage(Message msg) { 20185 switch (msg.what) { 20186 case MSG_ON_PERMISSIONS_CHANGED: { 20187 final int uid = msg.arg1; 20188 handleOnPermissionsChanged(uid); 20189 } break; 20190 } 20191 } 20192 20193 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20194 mPermissionListeners.register(listener); 20195 20196 } 20197 20198 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20199 mPermissionListeners.unregister(listener); 20200 } 20201 20202 public void onPermissionsChanged(int uid) { 20203 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20204 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20205 } 20206 } 20207 20208 private void handleOnPermissionsChanged(int uid) { 20209 final int count = mPermissionListeners.beginBroadcast(); 20210 try { 20211 for (int i = 0; i < count; i++) { 20212 IOnPermissionsChangeListener callback = mPermissionListeners 20213 .getBroadcastItem(i); 20214 try { 20215 callback.onPermissionsChanged(uid); 20216 } catch (RemoteException e) { 20217 Log.e(TAG, "Permission listener is dead", e); 20218 } 20219 } 20220 } finally { 20221 mPermissionListeners.finishBroadcast(); 20222 } 20223 } 20224 } 20225 20226 private class PackageManagerInternalImpl extends PackageManagerInternal { 20227 @Override 20228 public void setLocationPackagesProvider(PackagesProvider provider) { 20229 synchronized (mPackages) { 20230 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20231 } 20232 } 20233 20234 @Override 20235 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20236 synchronized (mPackages) { 20237 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20238 } 20239 } 20240 20241 @Override 20242 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20243 synchronized (mPackages) { 20244 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20245 } 20246 } 20247 20248 @Override 20249 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20250 synchronized (mPackages) { 20251 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20252 } 20253 } 20254 20255 @Override 20256 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20257 synchronized (mPackages) { 20258 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20259 } 20260 } 20261 20262 @Override 20263 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20264 synchronized (mPackages) { 20265 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20266 } 20267 } 20268 20269 @Override 20270 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20271 synchronized (mPackages) { 20272 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20273 packageName, userId); 20274 } 20275 } 20276 20277 @Override 20278 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20279 synchronized (mPackages) { 20280 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20281 packageName, userId); 20282 } 20283 } 20284 20285 @Override 20286 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20287 synchronized (mPackages) { 20288 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20289 packageName, userId); 20290 } 20291 } 20292 20293 @Override 20294 public void setKeepUninstalledPackages(final List<String> packageList) { 20295 Preconditions.checkNotNull(packageList); 20296 List<String> removedFromList = null; 20297 synchronized (mPackages) { 20298 if (mKeepUninstalledPackages != null) { 20299 final int packagesCount = mKeepUninstalledPackages.size(); 20300 for (int i = 0; i < packagesCount; i++) { 20301 String oldPackage = mKeepUninstalledPackages.get(i); 20302 if (packageList != null && packageList.contains(oldPackage)) { 20303 continue; 20304 } 20305 if (removedFromList == null) { 20306 removedFromList = new ArrayList<>(); 20307 } 20308 removedFromList.add(oldPackage); 20309 } 20310 } 20311 mKeepUninstalledPackages = new ArrayList<>(packageList); 20312 if (removedFromList != null) { 20313 final int removedCount = removedFromList.size(); 20314 for (int i = 0; i < removedCount; i++) { 20315 deletePackageIfUnusedLPr(removedFromList.get(i)); 20316 } 20317 } 20318 } 20319 } 20320 20321 @Override 20322 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20323 synchronized (mPackages) { 20324 // If we do not support permission review, done. 20325 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20326 return false; 20327 } 20328 20329 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20330 if (packageSetting == null) { 20331 return false; 20332 } 20333 20334 // Permission review applies only to apps not supporting the new permission model. 20335 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20336 return false; 20337 } 20338 20339 // Legacy apps have the permission and get user consent on launch. 20340 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20341 return permissionsState.isPermissionReviewRequired(userId); 20342 } 20343 } 20344 20345 @Override 20346 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20347 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20348 } 20349 20350 @Override 20351 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20352 int userId) { 20353 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20354 } 20355 } 20356 20357 @Override 20358 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20359 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20360 synchronized (mPackages) { 20361 final long identity = Binder.clearCallingIdentity(); 20362 try { 20363 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20364 packageNames, userId); 20365 } finally { 20366 Binder.restoreCallingIdentity(identity); 20367 } 20368 } 20369 } 20370 20371 private static void enforceSystemOrPhoneCaller(String tag) { 20372 int callingUid = Binder.getCallingUid(); 20373 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20374 throw new SecurityException( 20375 "Cannot call " + tag + " from UID " + callingUid); 20376 } 20377 } 20378 20379 boolean isHistoricalPackageUsageAvailable() { 20380 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20381 } 20382 20383 /** 20384 * Return a <b>copy</b> of the collection of packages known to the package manager. 20385 * @return A copy of the values of mPackages. 20386 */ 20387 Collection<PackageParser.Package> getPackages() { 20388 synchronized (mPackages) { 20389 return new ArrayList<>(mPackages.values()); 20390 } 20391 } 20392 20393 /** 20394 * Logs process start information (including base APK hash) to the security log. 20395 * @hide 20396 */ 20397 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20398 String apkFile, int pid) { 20399 if (!SecurityLog.isLoggingEnabled()) { 20400 return; 20401 } 20402 Bundle data = new Bundle(); 20403 data.putLong("startTimestamp", System.currentTimeMillis()); 20404 data.putString("processName", processName); 20405 data.putInt("uid", uid); 20406 data.putString("seinfo", seinfo); 20407 data.putString("apkFile", apkFile); 20408 data.putInt("pid", pid); 20409 Message msg = mProcessLoggingHandler.obtainMessage( 20410 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20411 msg.setData(data); 20412 mProcessLoggingHandler.sendMessage(msg); 20413 } 20414} 20415