PackageManagerService.java revision ecf4622618bb963d913a3e217c92da61f305d79e
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.INetworkPolicyManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.security.KeyStore; 200import android.security.SystemKeyStore; 201import android.system.ErrnoException; 202import android.system.Os; 203import android.text.TextUtils; 204import android.text.format.DateUtils; 205import android.util.ArrayMap; 206import android.util.ArraySet; 207import android.util.AtomicFile; 208import android.util.DisplayMetrics; 209import android.util.EventLog; 210import android.util.ExceptionUtils; 211import android.util.Log; 212import android.util.LogPrinter; 213import android.util.MathUtils; 214import android.util.PrintStreamPrinter; 215import android.util.Slog; 216import android.util.SparseArray; 217import android.util.SparseBooleanArray; 218import android.util.SparseIntArray; 219import android.util.Xml; 220import android.util.jar.StrictJarFile; 221import android.view.Display; 222 223import com.android.internal.R; 224import com.android.internal.annotations.GuardedBy; 225import com.android.internal.app.IMediaContainerService; 226import com.android.internal.app.ResolverActivity; 227import com.android.internal.content.NativeLibraryHelper; 228import com.android.internal.content.PackageHelper; 229import com.android.internal.os.IParcelFileDescriptorFactory; 230import com.android.internal.os.InstallerConnection.InstallerException; 231import com.android.internal.os.SomeArgs; 232import com.android.internal.os.Zygote; 233import com.android.internal.telephony.CarrierAppUtils; 234import com.android.internal.util.ArrayUtils; 235import com.android.internal.util.FastPrintWriter; 236import com.android.internal.util.FastXmlSerializer; 237import com.android.internal.util.IndentingPrintWriter; 238import com.android.internal.util.Preconditions; 239import com.android.internal.util.XmlUtils; 240import com.android.server.EventLogTags; 241import com.android.server.FgThread; 242import com.android.server.IntentResolver; 243import com.android.server.LocalServices; 244import com.android.server.ServiceThread; 245import com.android.server.SystemConfig; 246import com.android.server.Watchdog; 247import com.android.server.net.NetworkPolicyManagerInternal; 248import com.android.server.pm.PermissionsState.PermissionState; 249import com.android.server.pm.Settings.DatabaseVersion; 250import com.android.server.pm.Settings.VersionInfo; 251import com.android.server.storage.DeviceStorageMonitorInternal; 252 253import dalvik.system.CloseGuard; 254import dalvik.system.DexFile; 255import dalvik.system.VMRuntime; 256 257import libcore.io.IoUtils; 258import libcore.util.EmptyArray; 259 260import org.xmlpull.v1.XmlPullParser; 261import org.xmlpull.v1.XmlPullParserException; 262import org.xmlpull.v1.XmlSerializer; 263 264import java.io.BufferedInputStream; 265import java.io.BufferedOutputStream; 266import java.io.BufferedReader; 267import java.io.ByteArrayInputStream; 268import java.io.ByteArrayOutputStream; 269import java.io.File; 270import java.io.FileDescriptor; 271import java.io.FileInputStream; 272import java.io.FileNotFoundException; 273import java.io.FileOutputStream; 274import java.io.FileReader; 275import java.io.FilenameFilter; 276import java.io.IOException; 277import java.io.InputStream; 278import java.io.PrintWriter; 279import java.nio.charset.StandardCharsets; 280import java.security.DigestInputStream; 281import java.security.MessageDigest; 282import java.security.NoSuchAlgorithmException; 283import java.security.PublicKey; 284import java.security.cert.Certificate; 285import java.security.cert.CertificateEncodingException; 286import java.security.cert.CertificateException; 287import java.text.SimpleDateFormat; 288import java.util.ArrayList; 289import java.util.Arrays; 290import java.util.Collection; 291import java.util.Collections; 292import java.util.Comparator; 293import java.util.Date; 294import java.util.HashSet; 295import java.util.Iterator; 296import java.util.List; 297import java.util.Map; 298import java.util.Objects; 299import java.util.Set; 300import java.util.concurrent.CountDownLatch; 301import java.util.concurrent.TimeUnit; 302import java.util.concurrent.atomic.AtomicBoolean; 303import java.util.concurrent.atomic.AtomicInteger; 304import java.util.concurrent.atomic.AtomicLong; 305 306/** 307 * Keep track of all those APKs everywhere. 308 * <p> 309 * Internally there are two important locks: 310 * <ul> 311 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 312 * and other related state. It is a fine-grained lock that should only be held 313 * momentarily, as it's one of the most contended locks in the system. 314 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 315 * operations typically involve heavy lifting of application data on disk. Since 316 * {@code installd} is single-threaded, and it's operations can often be slow, 317 * this lock should never be acquired while already holding {@link #mPackages}. 318 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 319 * holding {@link #mInstallLock}. 320 * </ul> 321 * Many internal methods rely on the caller to hold the appropriate locks, and 322 * this contract is expressed through method name suffixes: 323 * <ul> 324 * <li>fooLI(): the caller must hold {@link #mInstallLock} 325 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 326 * being modified must be frozen 327 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 328 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 329 * </ul> 330 * <p> 331 * Because this class is very central to the platform's security; please run all 332 * CTS and unit tests whenever making modifications: 333 * 334 * <pre> 335 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 336 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 337 * </pre> 338 */ 339public class PackageManagerService extends IPackageManager.Stub { 340 static final String TAG = "PackageManager"; 341 static final boolean DEBUG_SETTINGS = false; 342 static final boolean DEBUG_PREFERRED = false; 343 static final boolean DEBUG_UPGRADE = false; 344 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 345 private static final boolean DEBUG_BACKUP = false; 346 private static final boolean DEBUG_INSTALL = false; 347 private static final boolean DEBUG_REMOVE = false; 348 private static final boolean DEBUG_BROADCASTS = false; 349 private static final boolean DEBUG_SHOW_INFO = false; 350 private static final boolean DEBUG_PACKAGE_INFO = false; 351 private static final boolean DEBUG_INTENT_MATCHING = false; 352 private static final boolean DEBUG_PACKAGE_SCANNING = false; 353 private static final boolean DEBUG_VERIFY = false; 354 private static final boolean DEBUG_FILTERS = false; 355 356 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 357 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 358 // user, but by default initialize to this. 359 static final boolean DEBUG_DEXOPT = false; 360 361 private static final boolean DEBUG_ABI_SELECTION = false; 362 private static final boolean DEBUG_EPHEMERAL = false; 363 private static final boolean DEBUG_TRIAGED_MISSING = false; 364 private static final boolean DEBUG_APP_DATA = false; 365 366 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 367 368 private static final boolean DISABLE_EPHEMERAL_APPS = true; 369 370 private static final int RADIO_UID = Process.PHONE_UID; 371 private static final int LOG_UID = Process.LOG_UID; 372 private static final int NFC_UID = Process.NFC_UID; 373 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 374 private static final int SHELL_UID = Process.SHELL_UID; 375 376 // Cap the size of permission trees that 3rd party apps can define 377 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 378 379 // Suffix used during package installation when copying/moving 380 // package apks to install directory. 381 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 382 383 static final int SCAN_NO_DEX = 1<<1; 384 static final int SCAN_FORCE_DEX = 1<<2; 385 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 386 static final int SCAN_NEW_INSTALL = 1<<4; 387 static final int SCAN_NO_PATHS = 1<<5; 388 static final int SCAN_UPDATE_TIME = 1<<6; 389 static final int SCAN_DEFER_DEX = 1<<7; 390 static final int SCAN_BOOTING = 1<<8; 391 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 392 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 393 static final int SCAN_REPLACING = 1<<11; 394 static final int SCAN_REQUIRE_KNOWN = 1<<12; 395 static final int SCAN_MOVE = 1<<13; 396 static final int SCAN_INITIAL = 1<<14; 397 static final int SCAN_CHECK_ONLY = 1<<15; 398 static final int SCAN_DONT_KILL_APP = 1<<17; 399 static final int SCAN_IGNORE_FROZEN = 1<<18; 400 401 static final int REMOVE_CHATTY = 1<<16; 402 403 private static final int[] EMPTY_INT_ARRAY = new int[0]; 404 405 /** 406 * Timeout (in milliseconds) after which the watchdog should declare that 407 * our handler thread is wedged. The usual default for such things is one 408 * minute but we sometimes do very lengthy I/O operations on this thread, 409 * such as installing multi-gigabyte applications, so ours needs to be longer. 410 */ 411 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 412 413 /** 414 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 415 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 416 * settings entry if available, otherwise we use the hardcoded default. If it's been 417 * more than this long since the last fstrim, we force one during the boot sequence. 418 * 419 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 420 * one gets run at the next available charging+idle time. This final mandatory 421 * no-fstrim check kicks in only of the other scheduling criteria is never met. 422 */ 423 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 424 425 /** 426 * Whether verification is enabled by default. 427 */ 428 private static final boolean DEFAULT_VERIFY_ENABLE = true; 429 430 /** 431 * The default maximum time to wait for the verification agent to return in 432 * milliseconds. 433 */ 434 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 435 436 /** 437 * The default response for package verification timeout. 438 * 439 * This can be either PackageManager.VERIFICATION_ALLOW or 440 * PackageManager.VERIFICATION_REJECT. 441 */ 442 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 443 444 static final String PLATFORM_PACKAGE_NAME = "android"; 445 446 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 447 448 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 449 DEFAULT_CONTAINER_PACKAGE, 450 "com.android.defcontainer.DefaultContainerService"); 451 452 private static final String KILL_APP_REASON_GIDS_CHANGED = 453 "permission grant or revoke changed gids"; 454 455 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 456 "permissions revoked"; 457 458 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 459 460 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 461 462 /** Permission grant: not grant the permission. */ 463 private static final int GRANT_DENIED = 1; 464 465 /** Permission grant: grant the permission as an install permission. */ 466 private static final int GRANT_INSTALL = 2; 467 468 /** Permission grant: grant the permission as a runtime one. */ 469 private static final int GRANT_RUNTIME = 3; 470 471 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 472 private static final int GRANT_UPGRADE = 4; 473 474 /** Canonical intent used to identify what counts as a "web browser" app */ 475 private static final Intent sBrowserIntent; 476 static { 477 sBrowserIntent = new Intent(); 478 sBrowserIntent.setAction(Intent.ACTION_VIEW); 479 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 480 sBrowserIntent.setData(Uri.parse("http:")); 481 } 482 483 /** 484 * The set of all protected actions [i.e. those actions for which a high priority 485 * intent filter is disallowed]. 486 */ 487 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 488 static { 489 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 490 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 491 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 492 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 493 } 494 495 // Compilation reasons. 496 public static final int REASON_FIRST_BOOT = 0; 497 public static final int REASON_BOOT = 1; 498 public static final int REASON_INSTALL = 2; 499 public static final int REASON_BACKGROUND_DEXOPT = 3; 500 public static final int REASON_AB_OTA = 4; 501 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 502 public static final int REASON_SHARED_APK = 6; 503 public static final int REASON_FORCED_DEXOPT = 7; 504 505 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 506 507 /** Special library name that skips shared libraries check during compilation. */ 508 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 509 510 final ServiceThread mHandlerThread; 511 512 final PackageHandler mHandler; 513 514 private final ProcessLoggingHandler mProcessLoggingHandler; 515 516 /** 517 * Messages for {@link #mHandler} that need to wait for system ready before 518 * being dispatched. 519 */ 520 private ArrayList<Message> mPostSystemReadyMessages; 521 522 final int mSdkVersion = Build.VERSION.SDK_INT; 523 524 final Context mContext; 525 final boolean mFactoryTest; 526 final boolean mOnlyCore; 527 final DisplayMetrics mMetrics; 528 final int mDefParseFlags; 529 final String[] mSeparateProcesses; 530 final boolean mIsUpgrade; 531 final boolean mIsPreNUpgrade; 532 533 /** The location for ASEC container files on internal storage. */ 534 final String mAsecInternalPath; 535 536 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 537 // LOCK HELD. Can be called with mInstallLock held. 538 @GuardedBy("mInstallLock") 539 final Installer mInstaller; 540 541 /** Directory where installed third-party apps stored */ 542 final File mAppInstallDir; 543 final File mEphemeralInstallDir; 544 545 /** 546 * Directory to which applications installed internally have their 547 * 32 bit native libraries copied. 548 */ 549 private File mAppLib32InstallDir; 550 551 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 552 // apps. 553 final File mDrmAppPrivateInstallDir; 554 555 // ---------------------------------------------------------------- 556 557 // Lock for state used when installing and doing other long running 558 // operations. Methods that must be called with this lock held have 559 // the suffix "LI". 560 final Object mInstallLock = new Object(); 561 562 // ---------------------------------------------------------------- 563 564 // Keys are String (package name), values are Package. This also serves 565 // as the lock for the global state. Methods that must be called with 566 // this lock held have the prefix "LP". 567 @GuardedBy("mPackages") 568 final ArrayMap<String, PackageParser.Package> mPackages = 569 new ArrayMap<String, PackageParser.Package>(); 570 571 final ArrayMap<String, Set<String>> mKnownCodebase = 572 new ArrayMap<String, Set<String>>(); 573 574 // Tracks available target package names -> overlay package paths. 575 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 576 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 577 578 /** 579 * Tracks new system packages [received in an OTA] that we expect to 580 * find updated user-installed versions. Keys are package name, values 581 * are package location. 582 */ 583 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 584 /** 585 * Tracks high priority intent filters for protected actions. During boot, certain 586 * filter actions are protected and should never be allowed to have a high priority 587 * intent filter for them. However, there is one, and only one exception -- the 588 * setup wizard. It must be able to define a high priority intent filter for these 589 * actions to ensure there are no escapes from the wizard. We need to delay processing 590 * of these during boot as we need to look at all of the system packages in order 591 * to know which component is the setup wizard. 592 */ 593 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 594 /** 595 * Whether or not processing protected filters should be deferred. 596 */ 597 private boolean mDeferProtectedFilters = true; 598 599 /** 600 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 601 */ 602 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 603 /** 604 * Whether or not system app permissions should be promoted from install to runtime. 605 */ 606 boolean mPromoteSystemApps; 607 608 @GuardedBy("mPackages") 609 final Settings mSettings; 610 611 /** 612 * Set of package names that are currently "frozen", which means active 613 * surgery is being done on the code/data for that package. The platform 614 * will refuse to launch frozen packages to avoid race conditions. 615 * 616 * @see PackageFreezer 617 */ 618 @GuardedBy("mPackages") 619 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 620 621 boolean mRestoredSettings; 622 623 // System configuration read by SystemConfig. 624 final int[] mGlobalGids; 625 final SparseArray<ArraySet<String>> mSystemPermissions; 626 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 627 628 // If mac_permissions.xml was found for seinfo labeling. 629 boolean mFoundPolicyFile; 630 631 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 632 633 public static final class SharedLibraryEntry { 634 public final String path; 635 public final String apk; 636 637 SharedLibraryEntry(String _path, String _apk) { 638 path = _path; 639 apk = _apk; 640 } 641 } 642 643 // Currently known shared libraries. 644 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 645 new ArrayMap<String, SharedLibraryEntry>(); 646 647 // All available activities, for your resolving pleasure. 648 final ActivityIntentResolver mActivities = 649 new ActivityIntentResolver(); 650 651 // All available receivers, for your resolving pleasure. 652 final ActivityIntentResolver mReceivers = 653 new ActivityIntentResolver(); 654 655 // All available services, for your resolving pleasure. 656 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 657 658 // All available providers, for your resolving pleasure. 659 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 660 661 // Mapping from provider base names (first directory in content URI codePath) 662 // to the provider information. 663 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 664 new ArrayMap<String, PackageParser.Provider>(); 665 666 // Mapping from instrumentation class names to info about them. 667 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 668 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 669 670 // Mapping from permission names to info about them. 671 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 672 new ArrayMap<String, PackageParser.PermissionGroup>(); 673 674 // Packages whose data we have transfered into another package, thus 675 // should no longer exist. 676 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 677 678 // Broadcast actions that are only available to the system. 679 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 680 681 /** List of packages waiting for verification. */ 682 final SparseArray<PackageVerificationState> mPendingVerification 683 = new SparseArray<PackageVerificationState>(); 684 685 /** Set of packages associated with each app op permission. */ 686 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 687 688 final PackageInstallerService mInstallerService; 689 690 private final PackageDexOptimizer mPackageDexOptimizer; 691 692 private AtomicInteger mNextMoveId = new AtomicInteger(); 693 private final MoveCallbacks mMoveCallbacks; 694 695 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 696 697 // Cache of users who need badging. 698 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 699 700 /** Token for keys in mPendingVerification. */ 701 private int mPendingVerificationToken = 0; 702 703 volatile boolean mSystemReady; 704 volatile boolean mSafeMode; 705 volatile boolean mHasSystemUidErrors; 706 707 ApplicationInfo mAndroidApplication; 708 final ActivityInfo mResolveActivity = new ActivityInfo(); 709 final ResolveInfo mResolveInfo = new ResolveInfo(); 710 ComponentName mResolveComponentName; 711 PackageParser.Package mPlatformPackage; 712 ComponentName mCustomResolverComponentName; 713 714 boolean mResolverReplaced = false; 715 716 private final @Nullable ComponentName mIntentFilterVerifierComponent; 717 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 718 719 private int mIntentFilterVerificationToken = 0; 720 721 /** Component that knows whether or not an ephemeral application exists */ 722 final ComponentName mEphemeralResolverComponent; 723 /** The service connection to the ephemeral resolver */ 724 final EphemeralResolverConnection mEphemeralResolverConnection; 725 726 /** Component used to install ephemeral applications */ 727 final ComponentName mEphemeralInstallerComponent; 728 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 729 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 730 731 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 732 = new SparseArray<IntentFilterVerificationState>(); 733 734 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 735 new DefaultPermissionGrantPolicy(this); 736 737 // List of packages names to keep cached, even if they are uninstalled for all users 738 private List<String> mKeepUninstalledPackages; 739 740 private static class IFVerificationParams { 741 PackageParser.Package pkg; 742 boolean replacing; 743 int userId; 744 int verifierUid; 745 746 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 747 int _userId, int _verifierUid) { 748 pkg = _pkg; 749 replacing = _replacing; 750 userId = _userId; 751 replacing = _replacing; 752 verifierUid = _verifierUid; 753 } 754 } 755 756 private interface IntentFilterVerifier<T extends IntentFilter> { 757 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 758 T filter, String packageName); 759 void startVerifications(int userId); 760 void receiveVerificationResponse(int verificationId); 761 } 762 763 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 764 private Context mContext; 765 private ComponentName mIntentFilterVerifierComponent; 766 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 767 768 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 769 mContext = context; 770 mIntentFilterVerifierComponent = verifierComponent; 771 } 772 773 private String getDefaultScheme() { 774 return IntentFilter.SCHEME_HTTPS; 775 } 776 777 @Override 778 public void startVerifications(int userId) { 779 // Launch verifications requests 780 int count = mCurrentIntentFilterVerifications.size(); 781 for (int n=0; n<count; n++) { 782 int verificationId = mCurrentIntentFilterVerifications.get(n); 783 final IntentFilterVerificationState ivs = 784 mIntentFilterVerificationStates.get(verificationId); 785 786 String packageName = ivs.getPackageName(); 787 788 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 789 final int filterCount = filters.size(); 790 ArraySet<String> domainsSet = new ArraySet<>(); 791 for (int m=0; m<filterCount; m++) { 792 PackageParser.ActivityIntentInfo filter = filters.get(m); 793 domainsSet.addAll(filter.getHostsList()); 794 } 795 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 796 synchronized (mPackages) { 797 if (mSettings.createIntentFilterVerificationIfNeededLPw( 798 packageName, domainsList) != null) { 799 scheduleWriteSettingsLocked(); 800 } 801 } 802 sendVerificationRequest(userId, verificationId, ivs); 803 } 804 mCurrentIntentFilterVerifications.clear(); 805 } 806 807 private void sendVerificationRequest(int userId, int verificationId, 808 IntentFilterVerificationState ivs) { 809 810 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 811 verificationIntent.putExtra( 812 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 813 verificationId); 814 verificationIntent.putExtra( 815 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 816 getDefaultScheme()); 817 verificationIntent.putExtra( 818 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 819 ivs.getHostsString()); 820 verificationIntent.putExtra( 821 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 822 ivs.getPackageName()); 823 verificationIntent.setComponent(mIntentFilterVerifierComponent); 824 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 825 826 UserHandle user = new UserHandle(userId); 827 mContext.sendBroadcastAsUser(verificationIntent, user); 828 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 829 "Sending IntentFilter verification broadcast"); 830 } 831 832 public void receiveVerificationResponse(int verificationId) { 833 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 834 835 final boolean verified = ivs.isVerified(); 836 837 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 838 final int count = filters.size(); 839 if (DEBUG_DOMAIN_VERIFICATION) { 840 Slog.i(TAG, "Received verification response " + verificationId 841 + " for " + count + " filters, verified=" + verified); 842 } 843 for (int n=0; n<count; n++) { 844 PackageParser.ActivityIntentInfo filter = filters.get(n); 845 filter.setVerified(verified); 846 847 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 848 + " verified with result:" + verified + " and hosts:" 849 + ivs.getHostsString()); 850 } 851 852 mIntentFilterVerificationStates.remove(verificationId); 853 854 final String packageName = ivs.getPackageName(); 855 IntentFilterVerificationInfo ivi = null; 856 857 synchronized (mPackages) { 858 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 859 } 860 if (ivi == null) { 861 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 862 + verificationId + " packageName:" + packageName); 863 return; 864 } 865 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 866 "Updating IntentFilterVerificationInfo for package " + packageName 867 +" verificationId:" + verificationId); 868 869 synchronized (mPackages) { 870 if (verified) { 871 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 872 } else { 873 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 874 } 875 scheduleWriteSettingsLocked(); 876 877 final int userId = ivs.getUserId(); 878 if (userId != UserHandle.USER_ALL) { 879 final int userStatus = 880 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 881 882 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 883 boolean needUpdate = false; 884 885 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 886 // already been set by the User thru the Disambiguation dialog 887 switch (userStatus) { 888 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 889 if (verified) { 890 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 891 } else { 892 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 893 } 894 needUpdate = true; 895 break; 896 897 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 898 if (verified) { 899 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 900 needUpdate = true; 901 } 902 break; 903 904 default: 905 // Nothing to do 906 } 907 908 if (needUpdate) { 909 mSettings.updateIntentFilterVerificationStatusLPw( 910 packageName, updatedStatus, userId); 911 scheduleWritePackageRestrictionsLocked(userId); 912 } 913 } 914 } 915 } 916 917 @Override 918 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 919 ActivityIntentInfo filter, String packageName) { 920 if (!hasValidDomains(filter)) { 921 return false; 922 } 923 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 924 if (ivs == null) { 925 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 926 packageName); 927 } 928 if (DEBUG_DOMAIN_VERIFICATION) { 929 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 930 } 931 ivs.addFilter(filter); 932 return true; 933 } 934 935 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 936 int userId, int verificationId, String packageName) { 937 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 938 verifierUid, userId, packageName); 939 ivs.setPendingState(); 940 synchronized (mPackages) { 941 mIntentFilterVerificationStates.append(verificationId, ivs); 942 mCurrentIntentFilterVerifications.add(verificationId); 943 } 944 return ivs; 945 } 946 } 947 948 private static boolean hasValidDomains(ActivityIntentInfo filter) { 949 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 950 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 951 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 952 } 953 954 // Set of pending broadcasts for aggregating enable/disable of components. 955 static class PendingPackageBroadcasts { 956 // for each user id, a map of <package name -> components within that package> 957 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 958 959 public PendingPackageBroadcasts() { 960 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 961 } 962 963 public ArrayList<String> get(int userId, String packageName) { 964 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 965 return packages.get(packageName); 966 } 967 968 public void put(int userId, String packageName, ArrayList<String> components) { 969 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 970 packages.put(packageName, components); 971 } 972 973 public void remove(int userId, String packageName) { 974 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 975 if (packages != null) { 976 packages.remove(packageName); 977 } 978 } 979 980 public void remove(int userId) { 981 mUidMap.remove(userId); 982 } 983 984 public int userIdCount() { 985 return mUidMap.size(); 986 } 987 988 public int userIdAt(int n) { 989 return mUidMap.keyAt(n); 990 } 991 992 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 993 return mUidMap.get(userId); 994 } 995 996 public int size() { 997 // total number of pending broadcast entries across all userIds 998 int num = 0; 999 for (int i = 0; i< mUidMap.size(); i++) { 1000 num += mUidMap.valueAt(i).size(); 1001 } 1002 return num; 1003 } 1004 1005 public void clear() { 1006 mUidMap.clear(); 1007 } 1008 1009 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1010 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1011 if (map == null) { 1012 map = new ArrayMap<String, ArrayList<String>>(); 1013 mUidMap.put(userId, map); 1014 } 1015 return map; 1016 } 1017 } 1018 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1019 1020 // Service Connection to remote media container service to copy 1021 // package uri's from external media onto secure containers 1022 // or internal storage. 1023 private IMediaContainerService mContainerService = null; 1024 1025 static final int SEND_PENDING_BROADCAST = 1; 1026 static final int MCS_BOUND = 3; 1027 static final int END_COPY = 4; 1028 static final int INIT_COPY = 5; 1029 static final int MCS_UNBIND = 6; 1030 static final int START_CLEANING_PACKAGE = 7; 1031 static final int FIND_INSTALL_LOC = 8; 1032 static final int POST_INSTALL = 9; 1033 static final int MCS_RECONNECT = 10; 1034 static final int MCS_GIVE_UP = 11; 1035 static final int UPDATED_MEDIA_STATUS = 12; 1036 static final int WRITE_SETTINGS = 13; 1037 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1038 static final int PACKAGE_VERIFIED = 15; 1039 static final int CHECK_PENDING_VERIFICATION = 16; 1040 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1041 static final int INTENT_FILTER_VERIFIED = 18; 1042 1043 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1044 1045 // Delay time in millisecs 1046 static final int BROADCAST_DELAY = 10 * 1000; 1047 1048 static UserManagerService sUserManager; 1049 1050 // Stores a list of users whose package restrictions file needs to be updated 1051 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1052 1053 final private DefaultContainerConnection mDefContainerConn = 1054 new DefaultContainerConnection(); 1055 class DefaultContainerConnection implements ServiceConnection { 1056 public void onServiceConnected(ComponentName name, IBinder service) { 1057 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1058 IMediaContainerService imcs = 1059 IMediaContainerService.Stub.asInterface(service); 1060 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1061 } 1062 1063 public void onServiceDisconnected(ComponentName name) { 1064 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1065 } 1066 } 1067 1068 // Recordkeeping of restore-after-install operations that are currently in flight 1069 // between the Package Manager and the Backup Manager 1070 static class PostInstallData { 1071 public InstallArgs args; 1072 public PackageInstalledInfo res; 1073 1074 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1075 args = _a; 1076 res = _r; 1077 } 1078 } 1079 1080 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1081 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1082 1083 // XML tags for backup/restore of various bits of state 1084 private static final String TAG_PREFERRED_BACKUP = "pa"; 1085 private static final String TAG_DEFAULT_APPS = "da"; 1086 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1087 1088 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1089 private static final String TAG_ALL_GRANTS = "rt-grants"; 1090 private static final String TAG_GRANT = "grant"; 1091 private static final String ATTR_PACKAGE_NAME = "pkg"; 1092 1093 private static final String TAG_PERMISSION = "perm"; 1094 private static final String ATTR_PERMISSION_NAME = "name"; 1095 private static final String ATTR_IS_GRANTED = "g"; 1096 private static final String ATTR_USER_SET = "set"; 1097 private static final String ATTR_USER_FIXED = "fixed"; 1098 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1099 1100 // System/policy permission grants are not backed up 1101 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1102 FLAG_PERMISSION_POLICY_FIXED 1103 | FLAG_PERMISSION_SYSTEM_FIXED 1104 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1105 1106 // And we back up these user-adjusted states 1107 private static final int USER_RUNTIME_GRANT_MASK = 1108 FLAG_PERMISSION_USER_SET 1109 | FLAG_PERMISSION_USER_FIXED 1110 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1111 1112 final @Nullable String mRequiredVerifierPackage; 1113 final @NonNull String mRequiredInstallerPackage; 1114 final @Nullable String mSetupWizardPackage; 1115 final @NonNull String mServicesSystemSharedLibraryPackageName; 1116 final @NonNull String mSharedSystemSharedLibraryPackageName; 1117 1118 private final PackageUsage mPackageUsage = new PackageUsage(); 1119 1120 private class PackageUsage { 1121 private static final int WRITE_INTERVAL 1122 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1123 1124 private final Object mFileLock = new Object(); 1125 private final AtomicLong mLastWritten = new AtomicLong(0); 1126 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1127 1128 private boolean mIsHistoricalPackageUsageAvailable = true; 1129 1130 boolean isHistoricalPackageUsageAvailable() { 1131 return mIsHistoricalPackageUsageAvailable; 1132 } 1133 1134 void write(boolean force) { 1135 if (force) { 1136 writeInternal(); 1137 return; 1138 } 1139 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1140 && !DEBUG_DEXOPT) { 1141 return; 1142 } 1143 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1144 new Thread("PackageUsage_DiskWriter") { 1145 @Override 1146 public void run() { 1147 try { 1148 writeInternal(); 1149 } finally { 1150 mBackgroundWriteRunning.set(false); 1151 } 1152 } 1153 }.start(); 1154 } 1155 } 1156 1157 private void writeInternal() { 1158 synchronized (mPackages) { 1159 synchronized (mFileLock) { 1160 AtomicFile file = getFile(); 1161 FileOutputStream f = null; 1162 try { 1163 f = file.startWrite(); 1164 BufferedOutputStream out = new BufferedOutputStream(f); 1165 FileUtils.setPermissions(file.getBaseFile().getPath(), 1166 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1167 StringBuilder sb = new StringBuilder(); 1168 1169 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1170 sb.append('\n'); 1171 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1172 1173 for (PackageParser.Package pkg : mPackages.values()) { 1174 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1175 continue; 1176 } 1177 sb.setLength(0); 1178 sb.append(pkg.packageName); 1179 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1180 sb.append(' '); 1181 sb.append(usageTimeInMillis); 1182 } 1183 sb.append('\n'); 1184 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1185 } 1186 out.flush(); 1187 file.finishWrite(f); 1188 } catch (IOException e) { 1189 if (f != null) { 1190 file.failWrite(f); 1191 } 1192 Log.e(TAG, "Failed to write package usage times", e); 1193 } 1194 } 1195 } 1196 mLastWritten.set(SystemClock.elapsedRealtime()); 1197 } 1198 1199 void readLP() { 1200 synchronized (mFileLock) { 1201 AtomicFile file = getFile(); 1202 BufferedInputStream in = null; 1203 try { 1204 in = new BufferedInputStream(file.openRead()); 1205 StringBuffer sb = new StringBuffer(); 1206 1207 String firstLine = readLine(in, sb); 1208 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1209 readVersion1LP(in, sb); 1210 } else { 1211 readVersion0LP(in, sb, firstLine); 1212 } 1213 } catch (FileNotFoundException expected) { 1214 mIsHistoricalPackageUsageAvailable = false; 1215 } catch (IOException e) { 1216 Log.w(TAG, "Failed to read package usage times", e); 1217 } finally { 1218 IoUtils.closeQuietly(in); 1219 } 1220 } 1221 mLastWritten.set(SystemClock.elapsedRealtime()); 1222 } 1223 1224 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1225 throws IOException { 1226 // Initial version of the file had no version number and stored one 1227 // package-timestamp pair per line. 1228 // Note that the first line has already been read from the InputStream. 1229 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1230 String[] tokens = line.split(" "); 1231 if (tokens.length != 2) { 1232 throw new IOException("Failed to parse " + line + 1233 " as package-timestamp pair."); 1234 } 1235 1236 String packageName = tokens[0]; 1237 PackageParser.Package pkg = mPackages.get(packageName); 1238 if (pkg == null) { 1239 continue; 1240 } 1241 1242 long timestamp = parseAsLong(tokens[1]); 1243 for (int reason = 0; 1244 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1245 reason++) { 1246 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1247 } 1248 } 1249 } 1250 1251 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1252 // Version 1 of the file started with the corresponding version 1253 // number and then stored a package name and eight timestamps per line. 1254 String line; 1255 while ((line = readLine(in, sb)) != null) { 1256 String[] tokens = line.split(" "); 1257 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1258 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1259 } 1260 1261 String packageName = tokens[0]; 1262 PackageParser.Package pkg = mPackages.get(packageName); 1263 if (pkg == null) { 1264 continue; 1265 } 1266 1267 for (int reason = 0; 1268 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1269 reason++) { 1270 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1271 } 1272 } 1273 } 1274 1275 private long parseAsLong(String token) throws IOException { 1276 try { 1277 return Long.parseLong(token); 1278 } catch (NumberFormatException e) { 1279 throw new IOException("Failed to parse " + token + " as a long.", e); 1280 } 1281 } 1282 1283 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1284 return readToken(in, sb, '\n'); 1285 } 1286 1287 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1288 throws IOException { 1289 sb.setLength(0); 1290 while (true) { 1291 int ch = in.read(); 1292 if (ch == -1) { 1293 if (sb.length() == 0) { 1294 return null; 1295 } 1296 throw new IOException("Unexpected EOF"); 1297 } 1298 if (ch == endOfToken) { 1299 return sb.toString(); 1300 } 1301 sb.append((char)ch); 1302 } 1303 } 1304 1305 private AtomicFile getFile() { 1306 File dataDir = Environment.getDataDirectory(); 1307 File systemDir = new File(dataDir, "system"); 1308 File fname = new File(systemDir, "package-usage.list"); 1309 return new AtomicFile(fname); 1310 } 1311 1312 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1313 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1314 } 1315 1316 class PackageHandler extends Handler { 1317 private boolean mBound = false; 1318 final ArrayList<HandlerParams> mPendingInstalls = 1319 new ArrayList<HandlerParams>(); 1320 1321 private boolean connectToService() { 1322 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1323 " DefaultContainerService"); 1324 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1325 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1326 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1327 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1328 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1329 mBound = true; 1330 return true; 1331 } 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1333 return false; 1334 } 1335 1336 private void disconnectService() { 1337 mContainerService = null; 1338 mBound = false; 1339 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1340 mContext.unbindService(mDefContainerConn); 1341 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1342 } 1343 1344 PackageHandler(Looper looper) { 1345 super(looper); 1346 } 1347 1348 public void handleMessage(Message msg) { 1349 try { 1350 doHandleMessage(msg); 1351 } finally { 1352 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1353 } 1354 } 1355 1356 void doHandleMessage(Message msg) { 1357 switch (msg.what) { 1358 case INIT_COPY: { 1359 HandlerParams params = (HandlerParams) msg.obj; 1360 int idx = mPendingInstalls.size(); 1361 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1362 // If a bind was already initiated we dont really 1363 // need to do anything. The pending install 1364 // will be processed later on. 1365 if (!mBound) { 1366 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1367 System.identityHashCode(mHandler)); 1368 // If this is the only one pending we might 1369 // have to bind to the service again. 1370 if (!connectToService()) { 1371 Slog.e(TAG, "Failed to bind to media container service"); 1372 params.serviceError(); 1373 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1374 System.identityHashCode(mHandler)); 1375 if (params.traceMethod != null) { 1376 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1377 params.traceCookie); 1378 } 1379 return; 1380 } else { 1381 // Once we bind to the service, the first 1382 // pending request will be processed. 1383 mPendingInstalls.add(idx, params); 1384 } 1385 } else { 1386 mPendingInstalls.add(idx, params); 1387 // Already bound to the service. Just make 1388 // sure we trigger off processing the first request. 1389 if (idx == 0) { 1390 mHandler.sendEmptyMessage(MCS_BOUND); 1391 } 1392 } 1393 break; 1394 } 1395 case MCS_BOUND: { 1396 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1397 if (msg.obj != null) { 1398 mContainerService = (IMediaContainerService) msg.obj; 1399 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1400 System.identityHashCode(mHandler)); 1401 } 1402 if (mContainerService == null) { 1403 if (!mBound) { 1404 // Something seriously wrong since we are not bound and we are not 1405 // waiting for connection. Bail out. 1406 Slog.e(TAG, "Cannot bind to media container service"); 1407 for (HandlerParams params : mPendingInstalls) { 1408 // Indicate service bind error 1409 params.serviceError(); 1410 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1411 System.identityHashCode(params)); 1412 if (params.traceMethod != null) { 1413 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1414 params.traceMethod, params.traceCookie); 1415 } 1416 return; 1417 } 1418 mPendingInstalls.clear(); 1419 } else { 1420 Slog.w(TAG, "Waiting to connect to media container service"); 1421 } 1422 } else if (mPendingInstalls.size() > 0) { 1423 HandlerParams params = mPendingInstalls.get(0); 1424 if (params != null) { 1425 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1426 System.identityHashCode(params)); 1427 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1428 if (params.startCopy()) { 1429 // We are done... look for more work or to 1430 // go idle. 1431 if (DEBUG_SD_INSTALL) Log.i(TAG, 1432 "Checking for more work or unbind..."); 1433 // Delete pending install 1434 if (mPendingInstalls.size() > 0) { 1435 mPendingInstalls.remove(0); 1436 } 1437 if (mPendingInstalls.size() == 0) { 1438 if (mBound) { 1439 if (DEBUG_SD_INSTALL) Log.i(TAG, 1440 "Posting delayed MCS_UNBIND"); 1441 removeMessages(MCS_UNBIND); 1442 Message ubmsg = obtainMessage(MCS_UNBIND); 1443 // Unbind after a little delay, to avoid 1444 // continual thrashing. 1445 sendMessageDelayed(ubmsg, 10000); 1446 } 1447 } else { 1448 // There are more pending requests in queue. 1449 // Just post MCS_BOUND message to trigger processing 1450 // of next pending install. 1451 if (DEBUG_SD_INSTALL) Log.i(TAG, 1452 "Posting MCS_BOUND for next work"); 1453 mHandler.sendEmptyMessage(MCS_BOUND); 1454 } 1455 } 1456 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1457 } 1458 } else { 1459 // Should never happen ideally. 1460 Slog.w(TAG, "Empty queue"); 1461 } 1462 break; 1463 } 1464 case MCS_RECONNECT: { 1465 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1466 if (mPendingInstalls.size() > 0) { 1467 if (mBound) { 1468 disconnectService(); 1469 } 1470 if (!connectToService()) { 1471 Slog.e(TAG, "Failed to bind to media container service"); 1472 for (HandlerParams params : mPendingInstalls) { 1473 // Indicate service bind error 1474 params.serviceError(); 1475 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1476 System.identityHashCode(params)); 1477 } 1478 mPendingInstalls.clear(); 1479 } 1480 } 1481 break; 1482 } 1483 case MCS_UNBIND: { 1484 // If there is no actual work left, then time to unbind. 1485 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1486 1487 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1488 if (mBound) { 1489 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1490 1491 disconnectService(); 1492 } 1493 } else if (mPendingInstalls.size() > 0) { 1494 // There are more pending requests in queue. 1495 // Just post MCS_BOUND message to trigger processing 1496 // of next pending install. 1497 mHandler.sendEmptyMessage(MCS_BOUND); 1498 } 1499 1500 break; 1501 } 1502 case MCS_GIVE_UP: { 1503 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1504 HandlerParams params = mPendingInstalls.remove(0); 1505 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1506 System.identityHashCode(params)); 1507 break; 1508 } 1509 case SEND_PENDING_BROADCAST: { 1510 String packages[]; 1511 ArrayList<String> components[]; 1512 int size = 0; 1513 int uids[]; 1514 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1515 synchronized (mPackages) { 1516 if (mPendingBroadcasts == null) { 1517 return; 1518 } 1519 size = mPendingBroadcasts.size(); 1520 if (size <= 0) { 1521 // Nothing to be done. Just return 1522 return; 1523 } 1524 packages = new String[size]; 1525 components = new ArrayList[size]; 1526 uids = new int[size]; 1527 int i = 0; // filling out the above arrays 1528 1529 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1530 int packageUserId = mPendingBroadcasts.userIdAt(n); 1531 Iterator<Map.Entry<String, ArrayList<String>>> it 1532 = mPendingBroadcasts.packagesForUserId(packageUserId) 1533 .entrySet().iterator(); 1534 while (it.hasNext() && i < size) { 1535 Map.Entry<String, ArrayList<String>> ent = it.next(); 1536 packages[i] = ent.getKey(); 1537 components[i] = ent.getValue(); 1538 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1539 uids[i] = (ps != null) 1540 ? UserHandle.getUid(packageUserId, ps.appId) 1541 : -1; 1542 i++; 1543 } 1544 } 1545 size = i; 1546 mPendingBroadcasts.clear(); 1547 } 1548 // Send broadcasts 1549 for (int i = 0; i < size; i++) { 1550 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1551 } 1552 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1553 break; 1554 } 1555 case START_CLEANING_PACKAGE: { 1556 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1557 final String packageName = (String)msg.obj; 1558 final int userId = msg.arg1; 1559 final boolean andCode = msg.arg2 != 0; 1560 synchronized (mPackages) { 1561 if (userId == UserHandle.USER_ALL) { 1562 int[] users = sUserManager.getUserIds(); 1563 for (int user : users) { 1564 mSettings.addPackageToCleanLPw( 1565 new PackageCleanItem(user, packageName, andCode)); 1566 } 1567 } else { 1568 mSettings.addPackageToCleanLPw( 1569 new PackageCleanItem(userId, packageName, andCode)); 1570 } 1571 } 1572 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1573 startCleaningPackages(); 1574 } break; 1575 case POST_INSTALL: { 1576 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1577 1578 PostInstallData data = mRunningInstalls.get(msg.arg1); 1579 final boolean didRestore = (msg.arg2 != 0); 1580 mRunningInstalls.delete(msg.arg1); 1581 1582 if (data != null) { 1583 InstallArgs args = data.args; 1584 PackageInstalledInfo parentRes = data.res; 1585 1586 final boolean grantPermissions = (args.installFlags 1587 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1588 final boolean killApp = (args.installFlags 1589 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1590 final String[] grantedPermissions = args.installGrantPermissions; 1591 1592 // Handle the parent package 1593 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1594 grantedPermissions, didRestore, args.installerPackageName, 1595 args.observer); 1596 1597 // Handle the child packages 1598 final int childCount = (parentRes.addedChildPackages != null) 1599 ? parentRes.addedChildPackages.size() : 0; 1600 for (int i = 0; i < childCount; i++) { 1601 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1602 handlePackagePostInstall(childRes, grantPermissions, killApp, 1603 grantedPermissions, false, args.installerPackageName, 1604 args.observer); 1605 } 1606 1607 // Log tracing if needed 1608 if (args.traceMethod != null) { 1609 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1610 args.traceCookie); 1611 } 1612 } else { 1613 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1614 } 1615 1616 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1617 } break; 1618 case UPDATED_MEDIA_STATUS: { 1619 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1620 boolean reportStatus = msg.arg1 == 1; 1621 boolean doGc = msg.arg2 == 1; 1622 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1623 if (doGc) { 1624 // Force a gc to clear up stale containers. 1625 Runtime.getRuntime().gc(); 1626 } 1627 if (msg.obj != null) { 1628 @SuppressWarnings("unchecked") 1629 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1630 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1631 // Unload containers 1632 unloadAllContainers(args); 1633 } 1634 if (reportStatus) { 1635 try { 1636 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1637 PackageHelper.getMountService().finishMediaUpdate(); 1638 } catch (RemoteException e) { 1639 Log.e(TAG, "MountService not running?"); 1640 } 1641 } 1642 } break; 1643 case WRITE_SETTINGS: { 1644 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1645 synchronized (mPackages) { 1646 removeMessages(WRITE_SETTINGS); 1647 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1648 mSettings.writeLPr(); 1649 mDirtyUsers.clear(); 1650 } 1651 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1652 } break; 1653 case WRITE_PACKAGE_RESTRICTIONS: { 1654 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1655 synchronized (mPackages) { 1656 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1657 for (int userId : mDirtyUsers) { 1658 mSettings.writePackageRestrictionsLPr(userId); 1659 } 1660 mDirtyUsers.clear(); 1661 } 1662 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1663 } break; 1664 case CHECK_PENDING_VERIFICATION: { 1665 final int verificationId = msg.arg1; 1666 final PackageVerificationState state = mPendingVerification.get(verificationId); 1667 1668 if ((state != null) && !state.timeoutExtended()) { 1669 final InstallArgs args = state.getInstallArgs(); 1670 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1671 1672 Slog.i(TAG, "Verification timed out for " + originUri); 1673 mPendingVerification.remove(verificationId); 1674 1675 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1676 1677 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1678 Slog.i(TAG, "Continuing with installation of " + originUri); 1679 state.setVerifierResponse(Binder.getCallingUid(), 1680 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1681 broadcastPackageVerified(verificationId, originUri, 1682 PackageManager.VERIFICATION_ALLOW, 1683 state.getInstallArgs().getUser()); 1684 try { 1685 ret = args.copyApk(mContainerService, true); 1686 } catch (RemoteException e) { 1687 Slog.e(TAG, "Could not contact the ContainerService"); 1688 } 1689 } else { 1690 broadcastPackageVerified(verificationId, originUri, 1691 PackageManager.VERIFICATION_REJECT, 1692 state.getInstallArgs().getUser()); 1693 } 1694 1695 Trace.asyncTraceEnd( 1696 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1697 1698 processPendingInstall(args, ret); 1699 mHandler.sendEmptyMessage(MCS_UNBIND); 1700 } 1701 break; 1702 } 1703 case PACKAGE_VERIFIED: { 1704 final int verificationId = msg.arg1; 1705 1706 final PackageVerificationState state = mPendingVerification.get(verificationId); 1707 if (state == null) { 1708 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1709 break; 1710 } 1711 1712 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1713 1714 state.setVerifierResponse(response.callerUid, response.code); 1715 1716 if (state.isVerificationComplete()) { 1717 mPendingVerification.remove(verificationId); 1718 1719 final InstallArgs args = state.getInstallArgs(); 1720 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1721 1722 int ret; 1723 if (state.isInstallAllowed()) { 1724 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1725 broadcastPackageVerified(verificationId, originUri, 1726 response.code, state.getInstallArgs().getUser()); 1727 try { 1728 ret = args.copyApk(mContainerService, true); 1729 } catch (RemoteException e) { 1730 Slog.e(TAG, "Could not contact the ContainerService"); 1731 } 1732 } else { 1733 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1734 } 1735 1736 Trace.asyncTraceEnd( 1737 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1738 1739 processPendingInstall(args, ret); 1740 mHandler.sendEmptyMessage(MCS_UNBIND); 1741 } 1742 1743 break; 1744 } 1745 case START_INTENT_FILTER_VERIFICATIONS: { 1746 IFVerificationParams params = (IFVerificationParams) msg.obj; 1747 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1748 params.replacing, params.pkg); 1749 break; 1750 } 1751 case INTENT_FILTER_VERIFIED: { 1752 final int verificationId = msg.arg1; 1753 1754 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1755 verificationId); 1756 if (state == null) { 1757 Slog.w(TAG, "Invalid IntentFilter verification token " 1758 + verificationId + " received"); 1759 break; 1760 } 1761 1762 final int userId = state.getUserId(); 1763 1764 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1765 "Processing IntentFilter verification with token:" 1766 + verificationId + " and userId:" + userId); 1767 1768 final IntentFilterVerificationResponse response = 1769 (IntentFilterVerificationResponse) msg.obj; 1770 1771 state.setVerifierResponse(response.callerUid, response.code); 1772 1773 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1774 "IntentFilter verification with token:" + verificationId 1775 + " and userId:" + userId 1776 + " is settings verifier response with response code:" 1777 + response.code); 1778 1779 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1780 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1781 + response.getFailedDomainsString()); 1782 } 1783 1784 if (state.isVerificationComplete()) { 1785 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1786 } else { 1787 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1788 "IntentFilter verification with token:" + verificationId 1789 + " was not said to be complete"); 1790 } 1791 1792 break; 1793 } 1794 } 1795 } 1796 } 1797 1798 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1799 boolean killApp, String[] grantedPermissions, 1800 boolean launchedForRestore, String installerPackage, 1801 IPackageInstallObserver2 installObserver) { 1802 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1803 // Send the removed broadcasts 1804 if (res.removedInfo != null) { 1805 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1806 } 1807 1808 // Now that we successfully installed the package, grant runtime 1809 // permissions if requested before broadcasting the install. 1810 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1811 >= Build.VERSION_CODES.M) { 1812 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1813 } 1814 1815 final boolean update = res.removedInfo != null 1816 && res.removedInfo.removedPackage != null; 1817 1818 // If this is the first time we have child packages for a disabled privileged 1819 // app that had no children, we grant requested runtime permissions to the new 1820 // children if the parent on the system image had them already granted. 1821 if (res.pkg.parentPackage != null) { 1822 synchronized (mPackages) { 1823 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1824 } 1825 } 1826 1827 synchronized (mPackages) { 1828 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1829 } 1830 1831 final String packageName = res.pkg.applicationInfo.packageName; 1832 Bundle extras = new Bundle(1); 1833 extras.putInt(Intent.EXTRA_UID, res.uid); 1834 1835 // Determine the set of users who are adding this package for 1836 // the first time vs. those who are seeing an update. 1837 int[] firstUsers = EMPTY_INT_ARRAY; 1838 int[] updateUsers = EMPTY_INT_ARRAY; 1839 if (res.origUsers == null || res.origUsers.length == 0) { 1840 firstUsers = res.newUsers; 1841 } else { 1842 for (int newUser : res.newUsers) { 1843 boolean isNew = true; 1844 for (int origUser : res.origUsers) { 1845 if (origUser == newUser) { 1846 isNew = false; 1847 break; 1848 } 1849 } 1850 if (isNew) { 1851 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1852 } else { 1853 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1854 } 1855 } 1856 } 1857 1858 // Send installed broadcasts if the install/update is not ephemeral 1859 if (!isEphemeral(res.pkg)) { 1860 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1861 1862 // Send added for users that see the package for the first time 1863 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1864 extras, 0 /*flags*/, null /*targetPackage*/, 1865 null /*finishedReceiver*/, firstUsers); 1866 1867 // Send added for users that don't see the package for the first time 1868 if (update) { 1869 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1870 } 1871 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1872 extras, 0 /*flags*/, null /*targetPackage*/, 1873 null /*finishedReceiver*/, updateUsers); 1874 1875 // Send replaced for users that don't see the package for the first time 1876 if (update) { 1877 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1878 packageName, extras, 0 /*flags*/, 1879 null /*targetPackage*/, null /*finishedReceiver*/, 1880 updateUsers); 1881 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1882 null /*package*/, null /*extras*/, 0 /*flags*/, 1883 packageName /*targetPackage*/, 1884 null /*finishedReceiver*/, updateUsers); 1885 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1886 // First-install and we did a restore, so we're responsible for the 1887 // first-launch broadcast. 1888 if (DEBUG_BACKUP) { 1889 Slog.i(TAG, "Post-restore of " + packageName 1890 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1891 } 1892 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1893 } 1894 1895 // Send broadcast package appeared if forward locked/external for all users 1896 // treat asec-hosted packages like removable media on upgrade 1897 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1898 if (DEBUG_INSTALL) { 1899 Slog.i(TAG, "upgrading pkg " + res.pkg 1900 + " is ASEC-hosted -> AVAILABLE"); 1901 } 1902 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1903 ArrayList<String> pkgList = new ArrayList<>(1); 1904 pkgList.add(packageName); 1905 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1906 } 1907 } 1908 1909 // Work that needs to happen on first install within each user 1910 if (firstUsers != null && firstUsers.length > 0) { 1911 synchronized (mPackages) { 1912 for (int userId : firstUsers) { 1913 // If this app is a browser and it's newly-installed for some 1914 // users, clear any default-browser state in those users. The 1915 // app's nature doesn't depend on the user, so we can just check 1916 // its browser nature in any user and generalize. 1917 if (packageIsBrowser(packageName, userId)) { 1918 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1919 } 1920 1921 // We may also need to apply pending (restored) runtime 1922 // permission grants within these users. 1923 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1924 } 1925 } 1926 } 1927 1928 // Log current value of "unknown sources" setting 1929 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1930 getUnknownSourcesSettings()); 1931 1932 // Force a gc to clear up things 1933 Runtime.getRuntime().gc(); 1934 1935 // Remove the replaced package's older resources safely now 1936 // We delete after a gc for applications on sdcard. 1937 if (res.removedInfo != null && res.removedInfo.args != null) { 1938 synchronized (mInstallLock) { 1939 res.removedInfo.args.doPostDeleteLI(true); 1940 } 1941 } 1942 } 1943 1944 // If someone is watching installs - notify them 1945 if (installObserver != null) { 1946 try { 1947 Bundle extras = extrasForInstallResult(res); 1948 installObserver.onPackageInstalled(res.name, res.returnCode, 1949 res.returnMsg, extras); 1950 } catch (RemoteException e) { 1951 Slog.i(TAG, "Observer no longer exists."); 1952 } 1953 } 1954 } 1955 1956 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1957 PackageParser.Package pkg) { 1958 if (pkg.parentPackage == null) { 1959 return; 1960 } 1961 if (pkg.requestedPermissions == null) { 1962 return; 1963 } 1964 final PackageSetting disabledSysParentPs = mSettings 1965 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1966 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1967 || !disabledSysParentPs.isPrivileged() 1968 || (disabledSysParentPs.childPackageNames != null 1969 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1970 return; 1971 } 1972 final int[] allUserIds = sUserManager.getUserIds(); 1973 final int permCount = pkg.requestedPermissions.size(); 1974 for (int i = 0; i < permCount; i++) { 1975 String permission = pkg.requestedPermissions.get(i); 1976 BasePermission bp = mSettings.mPermissions.get(permission); 1977 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1978 continue; 1979 } 1980 for (int userId : allUserIds) { 1981 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1982 permission, userId)) { 1983 grantRuntimePermission(pkg.packageName, permission, userId); 1984 } 1985 } 1986 } 1987 } 1988 1989 private StorageEventListener mStorageListener = new StorageEventListener() { 1990 @Override 1991 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1992 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1993 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1994 final String volumeUuid = vol.getFsUuid(); 1995 1996 // Clean up any users or apps that were removed or recreated 1997 // while this volume was missing 1998 reconcileUsers(volumeUuid); 1999 reconcileApps(volumeUuid); 2000 2001 // Clean up any install sessions that expired or were 2002 // cancelled while this volume was missing 2003 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2004 2005 loadPrivatePackages(vol); 2006 2007 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2008 unloadPrivatePackages(vol); 2009 } 2010 } 2011 2012 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2013 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2014 updateExternalMediaStatus(true, false); 2015 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2016 updateExternalMediaStatus(false, false); 2017 } 2018 } 2019 } 2020 2021 @Override 2022 public void onVolumeForgotten(String fsUuid) { 2023 if (TextUtils.isEmpty(fsUuid)) { 2024 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2025 return; 2026 } 2027 2028 // Remove any apps installed on the forgotten volume 2029 synchronized (mPackages) { 2030 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2031 for (PackageSetting ps : packages) { 2032 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2033 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2034 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2035 } 2036 2037 mSettings.onVolumeForgotten(fsUuid); 2038 mSettings.writeLPr(); 2039 } 2040 } 2041 }; 2042 2043 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2044 String[] grantedPermissions) { 2045 for (int userId : userIds) { 2046 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2047 } 2048 2049 // We could have touched GID membership, so flush out packages.list 2050 synchronized (mPackages) { 2051 mSettings.writePackageListLPr(); 2052 } 2053 } 2054 2055 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2056 String[] grantedPermissions) { 2057 SettingBase sb = (SettingBase) pkg.mExtras; 2058 if (sb == null) { 2059 return; 2060 } 2061 2062 PermissionsState permissionsState = sb.getPermissionsState(); 2063 2064 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2065 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2066 2067 for (String permission : pkg.requestedPermissions) { 2068 final BasePermission bp; 2069 synchronized (mPackages) { 2070 bp = mSettings.mPermissions.get(permission); 2071 } 2072 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2073 && (grantedPermissions == null 2074 || ArrayUtils.contains(grantedPermissions, permission))) { 2075 final int flags = permissionsState.getPermissionFlags(permission, userId); 2076 // Installer cannot change immutable permissions. 2077 if ((flags & immutableFlags) == 0) { 2078 grantRuntimePermission(pkg.packageName, permission, userId); 2079 } 2080 } 2081 } 2082 } 2083 2084 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2085 Bundle extras = null; 2086 switch (res.returnCode) { 2087 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2088 extras = new Bundle(); 2089 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2090 res.origPermission); 2091 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2092 res.origPackage); 2093 break; 2094 } 2095 case PackageManager.INSTALL_SUCCEEDED: { 2096 extras = new Bundle(); 2097 extras.putBoolean(Intent.EXTRA_REPLACING, 2098 res.removedInfo != null && res.removedInfo.removedPackage != null); 2099 break; 2100 } 2101 } 2102 return extras; 2103 } 2104 2105 void scheduleWriteSettingsLocked() { 2106 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2107 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2108 } 2109 } 2110 2111 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2112 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2113 scheduleWritePackageRestrictionsLocked(userId); 2114 } 2115 2116 void scheduleWritePackageRestrictionsLocked(int userId) { 2117 final int[] userIds = (userId == UserHandle.USER_ALL) 2118 ? sUserManager.getUserIds() : new int[]{userId}; 2119 for (int nextUserId : userIds) { 2120 if (!sUserManager.exists(nextUserId)) return; 2121 mDirtyUsers.add(nextUserId); 2122 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2123 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2124 } 2125 } 2126 } 2127 2128 public static PackageManagerService main(Context context, Installer installer, 2129 boolean factoryTest, boolean onlyCore) { 2130 // Self-check for initial settings. 2131 PackageManagerServiceCompilerMapping.checkProperties(); 2132 2133 PackageManagerService m = new PackageManagerService(context, installer, 2134 factoryTest, onlyCore); 2135 m.enableSystemUserPackages(); 2136 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2137 // disabled after already being started. 2138 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2139 UserHandle.USER_SYSTEM); 2140 ServiceManager.addService("package", m); 2141 return m; 2142 } 2143 2144 private void enableSystemUserPackages() { 2145 if (!UserManager.isSplitSystemUser()) { 2146 return; 2147 } 2148 // For system user, enable apps based on the following conditions: 2149 // - app is whitelisted or belong to one of these groups: 2150 // -- system app which has no launcher icons 2151 // -- system app which has INTERACT_ACROSS_USERS permission 2152 // -- system IME app 2153 // - app is not in the blacklist 2154 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2155 Set<String> enableApps = new ArraySet<>(); 2156 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2157 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2158 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2159 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2160 enableApps.addAll(wlApps); 2161 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2162 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2163 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2164 enableApps.removeAll(blApps); 2165 Log.i(TAG, "Applications installed for system user: " + enableApps); 2166 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2167 UserHandle.SYSTEM); 2168 final int allAppsSize = allAps.size(); 2169 synchronized (mPackages) { 2170 for (int i = 0; i < allAppsSize; i++) { 2171 String pName = allAps.get(i); 2172 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2173 // Should not happen, but we shouldn't be failing if it does 2174 if (pkgSetting == null) { 2175 continue; 2176 } 2177 boolean install = enableApps.contains(pName); 2178 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2179 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2180 + " for system user"); 2181 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2182 } 2183 } 2184 } 2185 } 2186 2187 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2188 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2189 Context.DISPLAY_SERVICE); 2190 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2191 } 2192 2193 public PackageManagerService(Context context, Installer installer, 2194 boolean factoryTest, boolean onlyCore) { 2195 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2196 SystemClock.uptimeMillis()); 2197 2198 if (mSdkVersion <= 0) { 2199 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2200 } 2201 2202 mContext = context; 2203 mFactoryTest = factoryTest; 2204 mOnlyCore = onlyCore; 2205 mMetrics = new DisplayMetrics(); 2206 mSettings = new Settings(mPackages); 2207 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2208 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2209 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2210 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2211 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2212 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2213 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2214 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2215 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2216 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2217 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2218 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2219 2220 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2221 if (separateProcesses != null && separateProcesses.length() > 0) { 2222 if ("*".equals(separateProcesses)) { 2223 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2224 mSeparateProcesses = null; 2225 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2226 } else { 2227 mDefParseFlags = 0; 2228 mSeparateProcesses = separateProcesses.split(","); 2229 Slog.w(TAG, "Running with debug.separate_processes: " 2230 + separateProcesses); 2231 } 2232 } else { 2233 mDefParseFlags = 0; 2234 mSeparateProcesses = null; 2235 } 2236 2237 mInstaller = installer; 2238 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2239 "*dexopt*"); 2240 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2241 2242 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2243 FgThread.get().getLooper()); 2244 2245 getDefaultDisplayMetrics(context, mMetrics); 2246 2247 SystemConfig systemConfig = SystemConfig.getInstance(); 2248 mGlobalGids = systemConfig.getGlobalGids(); 2249 mSystemPermissions = systemConfig.getSystemPermissions(); 2250 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2251 2252 synchronized (mInstallLock) { 2253 // writer 2254 synchronized (mPackages) { 2255 mHandlerThread = new ServiceThread(TAG, 2256 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2257 mHandlerThread.start(); 2258 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2259 mProcessLoggingHandler = new ProcessLoggingHandler(); 2260 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2261 2262 File dataDir = Environment.getDataDirectory(); 2263 mAppInstallDir = new File(dataDir, "app"); 2264 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2265 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2266 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2267 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2268 2269 sUserManager = new UserManagerService(context, this, mPackages); 2270 2271 // Propagate permission configuration in to package manager. 2272 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2273 = systemConfig.getPermissions(); 2274 for (int i=0; i<permConfig.size(); i++) { 2275 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2276 BasePermission bp = mSettings.mPermissions.get(perm.name); 2277 if (bp == null) { 2278 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2279 mSettings.mPermissions.put(perm.name, bp); 2280 } 2281 if (perm.gids != null) { 2282 bp.setGids(perm.gids, perm.perUser); 2283 } 2284 } 2285 2286 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2287 for (int i=0; i<libConfig.size(); i++) { 2288 mSharedLibraries.put(libConfig.keyAt(i), 2289 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2290 } 2291 2292 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2293 2294 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2295 2296 String customResolverActivity = Resources.getSystem().getString( 2297 R.string.config_customResolverActivity); 2298 if (TextUtils.isEmpty(customResolverActivity)) { 2299 customResolverActivity = null; 2300 } else { 2301 mCustomResolverComponentName = ComponentName.unflattenFromString( 2302 customResolverActivity); 2303 } 2304 2305 long startTime = SystemClock.uptimeMillis(); 2306 2307 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2308 startTime); 2309 2310 // Set flag to monitor and not change apk file paths when 2311 // scanning install directories. 2312 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2313 2314 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2315 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2316 2317 if (bootClassPath == null) { 2318 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2319 } 2320 2321 if (systemServerClassPath == null) { 2322 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2323 } 2324 2325 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2326 final String[] dexCodeInstructionSets = 2327 getDexCodeInstructionSets( 2328 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2329 2330 /** 2331 * Ensure all external libraries have had dexopt run on them. 2332 */ 2333 if (mSharedLibraries.size() > 0) { 2334 // NOTE: For now, we're compiling these system "shared libraries" 2335 // (and framework jars) into all available architectures. It's possible 2336 // to compile them only when we come across an app that uses them (there's 2337 // already logic for that in scanPackageLI) but that adds some complexity. 2338 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2339 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2340 final String lib = libEntry.path; 2341 if (lib == null) { 2342 continue; 2343 } 2344 2345 try { 2346 // Shared libraries do not have profiles so we perform a full 2347 // AOT compilation (if needed). 2348 int dexoptNeeded = DexFile.getDexOptNeeded( 2349 lib, dexCodeInstructionSet, 2350 getCompilerFilterForReason(REASON_SHARED_APK), 2351 false /* newProfile */); 2352 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2353 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2354 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2355 getCompilerFilterForReason(REASON_SHARED_APK), 2356 StorageManager.UUID_PRIVATE_INTERNAL, 2357 SKIP_SHARED_LIBRARY_CHECK); 2358 } 2359 } catch (FileNotFoundException e) { 2360 Slog.w(TAG, "Library not found: " + lib); 2361 } catch (IOException | InstallerException e) { 2362 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2363 + e.getMessage()); 2364 } 2365 } 2366 } 2367 } 2368 2369 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2370 2371 final VersionInfo ver = mSettings.getInternalVersion(); 2372 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2373 2374 // when upgrading from pre-M, promote system app permissions from install to runtime 2375 mPromoteSystemApps = 2376 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2377 2378 // save off the names of pre-existing system packages prior to scanning; we don't 2379 // want to automatically grant runtime permissions for new system apps 2380 if (mPromoteSystemApps) { 2381 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2382 while (pkgSettingIter.hasNext()) { 2383 PackageSetting ps = pkgSettingIter.next(); 2384 if (isSystemApp(ps)) { 2385 mExistingSystemPackages.add(ps.name); 2386 } 2387 } 2388 } 2389 2390 // When upgrading from pre-N, we need to handle package extraction like first boot, 2391 // as there is no profiling data available. 2392 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2393 mSettings.setNWorkDone(); 2394 2395 // Collect vendor overlay packages. 2396 // (Do this before scanning any apps.) 2397 // For security and version matching reason, only consider 2398 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2399 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2400 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2401 | PackageParser.PARSE_IS_SYSTEM 2402 | PackageParser.PARSE_IS_SYSTEM_DIR 2403 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2404 2405 // Find base frameworks (resource packages without code). 2406 scanDirTracedLI(frameworkDir, mDefParseFlags 2407 | PackageParser.PARSE_IS_SYSTEM 2408 | PackageParser.PARSE_IS_SYSTEM_DIR 2409 | PackageParser.PARSE_IS_PRIVILEGED, 2410 scanFlags | SCAN_NO_DEX, 0); 2411 2412 // Collected privileged system packages. 2413 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2414 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2415 | PackageParser.PARSE_IS_SYSTEM 2416 | PackageParser.PARSE_IS_SYSTEM_DIR 2417 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2418 2419 // Collect ordinary system packages. 2420 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2421 scanDirTracedLI(systemAppDir, mDefParseFlags 2422 | PackageParser.PARSE_IS_SYSTEM 2423 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2424 2425 // Collect all vendor packages. 2426 File vendorAppDir = new File("/vendor/app"); 2427 try { 2428 vendorAppDir = vendorAppDir.getCanonicalFile(); 2429 } catch (IOException e) { 2430 // failed to look up canonical path, continue with original one 2431 } 2432 scanDirTracedLI(vendorAppDir, mDefParseFlags 2433 | PackageParser.PARSE_IS_SYSTEM 2434 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2435 2436 // Collect all OEM packages. 2437 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2438 scanDirTracedLI(oemAppDir, mDefParseFlags 2439 | PackageParser.PARSE_IS_SYSTEM 2440 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2441 2442 // Prune any system packages that no longer exist. 2443 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2444 if (!mOnlyCore) { 2445 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2446 while (psit.hasNext()) { 2447 PackageSetting ps = psit.next(); 2448 2449 /* 2450 * If this is not a system app, it can't be a 2451 * disable system app. 2452 */ 2453 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2454 continue; 2455 } 2456 2457 /* 2458 * If the package is scanned, it's not erased. 2459 */ 2460 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2461 if (scannedPkg != null) { 2462 /* 2463 * If the system app is both scanned and in the 2464 * disabled packages list, then it must have been 2465 * added via OTA. Remove it from the currently 2466 * scanned package so the previously user-installed 2467 * application can be scanned. 2468 */ 2469 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2470 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2471 + ps.name + "; removing system app. Last known codePath=" 2472 + ps.codePathString + ", installStatus=" + ps.installStatus 2473 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2474 + scannedPkg.mVersionCode); 2475 removePackageLI(scannedPkg, true); 2476 mExpectingBetter.put(ps.name, ps.codePath); 2477 } 2478 2479 continue; 2480 } 2481 2482 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2483 psit.remove(); 2484 logCriticalInfo(Log.WARN, "System package " + ps.name 2485 + " no longer exists; it's data will be wiped"); 2486 // Actual deletion of code and data will be handled by later 2487 // reconciliation step 2488 } else { 2489 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2490 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2491 possiblyDeletedUpdatedSystemApps.add(ps.name); 2492 } 2493 } 2494 } 2495 } 2496 2497 //look for any incomplete package installations 2498 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2499 for (int i = 0; i < deletePkgsList.size(); i++) { 2500 // Actual deletion of code and data will be handled by later 2501 // reconciliation step 2502 final String packageName = deletePkgsList.get(i).name; 2503 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2504 synchronized (mPackages) { 2505 mSettings.removePackageLPw(packageName); 2506 } 2507 } 2508 2509 //delete tmp files 2510 deleteTempPackageFiles(); 2511 2512 // Remove any shared userIDs that have no associated packages 2513 mSettings.pruneSharedUsersLPw(); 2514 2515 if (!mOnlyCore) { 2516 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2517 SystemClock.uptimeMillis()); 2518 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2519 2520 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2521 | PackageParser.PARSE_FORWARD_LOCK, 2522 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2523 2524 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2525 | PackageParser.PARSE_IS_EPHEMERAL, 2526 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2527 2528 /** 2529 * Remove disable package settings for any updated system 2530 * apps that were removed via an OTA. If they're not a 2531 * previously-updated app, remove them completely. 2532 * Otherwise, just revoke their system-level permissions. 2533 */ 2534 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2535 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2536 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2537 2538 String msg; 2539 if (deletedPkg == null) { 2540 msg = "Updated system package " + deletedAppName 2541 + " no longer exists; it's data will be wiped"; 2542 // Actual deletion of code and data will be handled by later 2543 // reconciliation step 2544 } else { 2545 msg = "Updated system app + " + deletedAppName 2546 + " no longer present; removing system privileges for " 2547 + deletedAppName; 2548 2549 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2550 2551 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2552 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2553 } 2554 logCriticalInfo(Log.WARN, msg); 2555 } 2556 2557 /** 2558 * Make sure all system apps that we expected to appear on 2559 * the userdata partition actually showed up. If they never 2560 * appeared, crawl back and revive the system version. 2561 */ 2562 for (int i = 0; i < mExpectingBetter.size(); i++) { 2563 final String packageName = mExpectingBetter.keyAt(i); 2564 if (!mPackages.containsKey(packageName)) { 2565 final File scanFile = mExpectingBetter.valueAt(i); 2566 2567 logCriticalInfo(Log.WARN, "Expected better " + packageName 2568 + " but never showed up; reverting to system"); 2569 2570 int reparseFlags = mDefParseFlags; 2571 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2572 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2573 | PackageParser.PARSE_IS_SYSTEM_DIR 2574 | PackageParser.PARSE_IS_PRIVILEGED; 2575 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2576 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2577 | PackageParser.PARSE_IS_SYSTEM_DIR; 2578 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2579 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2580 | PackageParser.PARSE_IS_SYSTEM_DIR; 2581 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2582 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2583 | PackageParser.PARSE_IS_SYSTEM_DIR; 2584 } else { 2585 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2586 continue; 2587 } 2588 2589 mSettings.enableSystemPackageLPw(packageName); 2590 2591 try { 2592 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2593 } catch (PackageManagerException e) { 2594 Slog.e(TAG, "Failed to parse original system package: " 2595 + e.getMessage()); 2596 } 2597 } 2598 } 2599 } 2600 mExpectingBetter.clear(); 2601 2602 // Resolve protected action filters. Only the setup wizard is allowed to 2603 // have a high priority filter for these actions. 2604 mSetupWizardPackage = getSetupWizardPackageName(); 2605 if (mProtectedFilters.size() > 0) { 2606 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2607 Slog.i(TAG, "No setup wizard;" 2608 + " All protected intents capped to priority 0"); 2609 } 2610 for (ActivityIntentInfo filter : mProtectedFilters) { 2611 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2612 if (DEBUG_FILTERS) { 2613 Slog.i(TAG, "Found setup wizard;" 2614 + " allow priority " + filter.getPriority() + ";" 2615 + " package: " + filter.activity.info.packageName 2616 + " activity: " + filter.activity.className 2617 + " priority: " + filter.getPriority()); 2618 } 2619 // skip setup wizard; allow it to keep the high priority filter 2620 continue; 2621 } 2622 Slog.w(TAG, "Protected action; cap priority to 0;" 2623 + " package: " + filter.activity.info.packageName 2624 + " activity: " + filter.activity.className 2625 + " origPrio: " + filter.getPriority()); 2626 filter.setPriority(0); 2627 } 2628 } 2629 mDeferProtectedFilters = false; 2630 mProtectedFilters.clear(); 2631 2632 // Now that we know all of the shared libraries, update all clients to have 2633 // the correct library paths. 2634 updateAllSharedLibrariesLPw(); 2635 2636 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2637 // NOTE: We ignore potential failures here during a system scan (like 2638 // the rest of the commands above) because there's precious little we 2639 // can do about it. A settings error is reported, though. 2640 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2641 false /* boot complete */); 2642 } 2643 2644 // Now that we know all the packages we are keeping, 2645 // read and update their last usage times. 2646 mPackageUsage.readLP(); 2647 2648 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2649 SystemClock.uptimeMillis()); 2650 Slog.i(TAG, "Time to scan packages: " 2651 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2652 + " seconds"); 2653 2654 // If the platform SDK has changed since the last time we booted, 2655 // we need to re-grant app permission to catch any new ones that 2656 // appear. This is really a hack, and means that apps can in some 2657 // cases get permissions that the user didn't initially explicitly 2658 // allow... it would be nice to have some better way to handle 2659 // this situation. 2660 int updateFlags = UPDATE_PERMISSIONS_ALL; 2661 if (ver.sdkVersion != mSdkVersion) { 2662 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2663 + mSdkVersion + "; regranting permissions for internal storage"); 2664 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2665 } 2666 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2667 ver.sdkVersion = mSdkVersion; 2668 2669 // If this is the first boot or an update from pre-M, and it is a normal 2670 // boot, then we need to initialize the default preferred apps across 2671 // all defined users. 2672 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2673 for (UserInfo user : sUserManager.getUsers(true)) { 2674 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2675 applyFactoryDefaultBrowserLPw(user.id); 2676 primeDomainVerificationsLPw(user.id); 2677 } 2678 } 2679 2680 // Prepare storage for system user really early during boot, 2681 // since core system apps like SettingsProvider and SystemUI 2682 // can't wait for user to start 2683 final int storageFlags; 2684 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2685 storageFlags = StorageManager.FLAG_STORAGE_DE; 2686 } else { 2687 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2688 } 2689 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2690 storageFlags); 2691 2692 // If this is first boot after an OTA, and a normal boot, then 2693 // we need to clear code cache directories. 2694 if (mIsUpgrade && !onlyCore) { 2695 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2696 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2697 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2698 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2699 // No apps are running this early, so no need to freeze 2700 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2701 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2702 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2703 } 2704 clearAppProfilesLIF(ps.pkg); 2705 } 2706 ver.fingerprint = Build.FINGERPRINT; 2707 } 2708 2709 checkDefaultBrowser(); 2710 2711 // clear only after permissions and other defaults have been updated 2712 mExistingSystemPackages.clear(); 2713 mPromoteSystemApps = false; 2714 2715 // All the changes are done during package scanning. 2716 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2717 2718 // can downgrade to reader 2719 mSettings.writeLPr(); 2720 2721 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2722 SystemClock.uptimeMillis()); 2723 2724 if (!mOnlyCore) { 2725 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2726 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2727 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2728 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2729 mIntentFilterVerifierComponent); 2730 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2731 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2732 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2733 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2734 } else { 2735 mRequiredVerifierPackage = null; 2736 mRequiredInstallerPackage = null; 2737 mIntentFilterVerifierComponent = null; 2738 mIntentFilterVerifier = null; 2739 mServicesSystemSharedLibraryPackageName = null; 2740 mSharedSystemSharedLibraryPackageName = null; 2741 } 2742 2743 mInstallerService = new PackageInstallerService(context, this); 2744 2745 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2746 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2747 // both the installer and resolver must be present to enable ephemeral 2748 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2749 if (DEBUG_EPHEMERAL) { 2750 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2751 + " installer:" + ephemeralInstallerComponent); 2752 } 2753 mEphemeralResolverComponent = ephemeralResolverComponent; 2754 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2755 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2756 mEphemeralResolverConnection = 2757 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2758 } else { 2759 if (DEBUG_EPHEMERAL) { 2760 final String missingComponent = 2761 (ephemeralResolverComponent == null) 2762 ? (ephemeralInstallerComponent == null) 2763 ? "resolver and installer" 2764 : "resolver" 2765 : "installer"; 2766 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2767 } 2768 mEphemeralResolverComponent = null; 2769 mEphemeralInstallerComponent = null; 2770 mEphemeralResolverConnection = null; 2771 } 2772 2773 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2774 } // synchronized (mPackages) 2775 } // synchronized (mInstallLock) 2776 2777 // Now after opening every single application zip, make sure they 2778 // are all flushed. Not really needed, but keeps things nice and 2779 // tidy. 2780 Runtime.getRuntime().gc(); 2781 2782 // The initial scanning above does many calls into installd while 2783 // holding the mPackages lock, but we're mostly interested in yelling 2784 // once we have a booted system. 2785 mInstaller.setWarnIfHeld(mPackages); 2786 2787 // Expose private service for system components to use. 2788 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2789 } 2790 2791 @Override 2792 public boolean isFirstBoot() { 2793 return !mRestoredSettings; 2794 } 2795 2796 @Override 2797 public boolean isOnlyCoreApps() { 2798 return mOnlyCore; 2799 } 2800 2801 @Override 2802 public boolean isUpgrade() { 2803 return mIsUpgrade; 2804 } 2805 2806 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2807 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2808 2809 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2810 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2811 UserHandle.USER_SYSTEM); 2812 if (matches.size() == 1) { 2813 return matches.get(0).getComponentInfo().packageName; 2814 } else { 2815 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2816 return null; 2817 } 2818 } 2819 2820 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2821 synchronized (mPackages) { 2822 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2823 if (libraryEntry == null) { 2824 throw new IllegalStateException("Missing required shared library:" + libraryName); 2825 } 2826 return libraryEntry.apk; 2827 } 2828 } 2829 2830 private @NonNull String getRequiredInstallerLPr() { 2831 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2832 intent.addCategory(Intent.CATEGORY_DEFAULT); 2833 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2834 2835 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2836 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2837 UserHandle.USER_SYSTEM); 2838 if (matches.size() == 1) { 2839 ResolveInfo resolveInfo = matches.get(0); 2840 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2841 throw new RuntimeException("The installer must be a privileged app"); 2842 } 2843 return matches.get(0).getComponentInfo().packageName; 2844 } else { 2845 throw new RuntimeException("There must be exactly one installer; found " + matches); 2846 } 2847 } 2848 2849 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2850 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2851 2852 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2853 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2854 UserHandle.USER_SYSTEM); 2855 ResolveInfo best = null; 2856 final int N = matches.size(); 2857 for (int i = 0; i < N; i++) { 2858 final ResolveInfo cur = matches.get(i); 2859 final String packageName = cur.getComponentInfo().packageName; 2860 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2861 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2862 continue; 2863 } 2864 2865 if (best == null || cur.priority > best.priority) { 2866 best = cur; 2867 } 2868 } 2869 2870 if (best != null) { 2871 return best.getComponentInfo().getComponentName(); 2872 } else { 2873 throw new RuntimeException("There must be at least one intent filter verifier"); 2874 } 2875 } 2876 2877 private @Nullable ComponentName getEphemeralResolverLPr() { 2878 final String[] packageArray = 2879 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2880 if (packageArray.length == 0) { 2881 if (DEBUG_EPHEMERAL) { 2882 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2883 } 2884 return null; 2885 } 2886 2887 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2888 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2889 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2890 UserHandle.USER_SYSTEM); 2891 2892 final int N = resolvers.size(); 2893 if (N == 0) { 2894 if (DEBUG_EPHEMERAL) { 2895 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2896 } 2897 return null; 2898 } 2899 2900 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2901 for (int i = 0; i < N; i++) { 2902 final ResolveInfo info = resolvers.get(i); 2903 2904 if (info.serviceInfo == null) { 2905 continue; 2906 } 2907 2908 final String packageName = info.serviceInfo.packageName; 2909 if (!possiblePackages.contains(packageName)) { 2910 if (DEBUG_EPHEMERAL) { 2911 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2912 + " pkg: " + packageName + ", info:" + info); 2913 } 2914 continue; 2915 } 2916 2917 if (DEBUG_EPHEMERAL) { 2918 Slog.v(TAG, "Ephemeral resolver found;" 2919 + " pkg: " + packageName + ", info:" + info); 2920 } 2921 return new ComponentName(packageName, info.serviceInfo.name); 2922 } 2923 if (DEBUG_EPHEMERAL) { 2924 Slog.v(TAG, "Ephemeral resolver NOT found"); 2925 } 2926 return null; 2927 } 2928 2929 private @Nullable ComponentName getEphemeralInstallerLPr() { 2930 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2931 intent.addCategory(Intent.CATEGORY_DEFAULT); 2932 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2933 2934 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2935 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2936 UserHandle.USER_SYSTEM); 2937 if (matches.size() == 0) { 2938 return null; 2939 } else if (matches.size() == 1) { 2940 return matches.get(0).getComponentInfo().getComponentName(); 2941 } else { 2942 throw new RuntimeException( 2943 "There must be at most one ephemeral installer; found " + matches); 2944 } 2945 } 2946 2947 private void primeDomainVerificationsLPw(int userId) { 2948 if (DEBUG_DOMAIN_VERIFICATION) { 2949 Slog.d(TAG, "Priming domain verifications in user " + userId); 2950 } 2951 2952 SystemConfig systemConfig = SystemConfig.getInstance(); 2953 ArraySet<String> packages = systemConfig.getLinkedApps(); 2954 ArraySet<String> domains = new ArraySet<String>(); 2955 2956 for (String packageName : packages) { 2957 PackageParser.Package pkg = mPackages.get(packageName); 2958 if (pkg != null) { 2959 if (!pkg.isSystemApp()) { 2960 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2961 continue; 2962 } 2963 2964 domains.clear(); 2965 for (PackageParser.Activity a : pkg.activities) { 2966 for (ActivityIntentInfo filter : a.intents) { 2967 if (hasValidDomains(filter)) { 2968 domains.addAll(filter.getHostsList()); 2969 } 2970 } 2971 } 2972 2973 if (domains.size() > 0) { 2974 if (DEBUG_DOMAIN_VERIFICATION) { 2975 Slog.v(TAG, " + " + packageName); 2976 } 2977 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2978 // state w.r.t. the formal app-linkage "no verification attempted" state; 2979 // and then 'always' in the per-user state actually used for intent resolution. 2980 final IntentFilterVerificationInfo ivi; 2981 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2982 new ArrayList<String>(domains)); 2983 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2984 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2985 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2986 } else { 2987 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2988 + "' does not handle web links"); 2989 } 2990 } else { 2991 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2992 } 2993 } 2994 2995 scheduleWritePackageRestrictionsLocked(userId); 2996 scheduleWriteSettingsLocked(); 2997 } 2998 2999 private void applyFactoryDefaultBrowserLPw(int userId) { 3000 // The default browser app's package name is stored in a string resource, 3001 // with a product-specific overlay used for vendor customization. 3002 String browserPkg = mContext.getResources().getString( 3003 com.android.internal.R.string.default_browser); 3004 if (!TextUtils.isEmpty(browserPkg)) { 3005 // non-empty string => required to be a known package 3006 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3007 if (ps == null) { 3008 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3009 browserPkg = null; 3010 } else { 3011 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3012 } 3013 } 3014 3015 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3016 // default. If there's more than one, just leave everything alone. 3017 if (browserPkg == null) { 3018 calculateDefaultBrowserLPw(userId); 3019 } 3020 } 3021 3022 private void calculateDefaultBrowserLPw(int userId) { 3023 List<String> allBrowsers = resolveAllBrowserApps(userId); 3024 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3025 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3026 } 3027 3028 private List<String> resolveAllBrowserApps(int userId) { 3029 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3030 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3031 PackageManager.MATCH_ALL, userId); 3032 3033 final int count = list.size(); 3034 List<String> result = new ArrayList<String>(count); 3035 for (int i=0; i<count; i++) { 3036 ResolveInfo info = list.get(i); 3037 if (info.activityInfo == null 3038 || !info.handleAllWebDataURI 3039 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3040 || result.contains(info.activityInfo.packageName)) { 3041 continue; 3042 } 3043 result.add(info.activityInfo.packageName); 3044 } 3045 3046 return result; 3047 } 3048 3049 private boolean packageIsBrowser(String packageName, int userId) { 3050 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3051 PackageManager.MATCH_ALL, userId); 3052 final int N = list.size(); 3053 for (int i = 0; i < N; i++) { 3054 ResolveInfo info = list.get(i); 3055 if (packageName.equals(info.activityInfo.packageName)) { 3056 return true; 3057 } 3058 } 3059 return false; 3060 } 3061 3062 private void checkDefaultBrowser() { 3063 final int myUserId = UserHandle.myUserId(); 3064 final String packageName = getDefaultBrowserPackageName(myUserId); 3065 if (packageName != null) { 3066 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3067 if (info == null) { 3068 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3069 synchronized (mPackages) { 3070 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3071 } 3072 } 3073 } 3074 } 3075 3076 @Override 3077 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3078 throws RemoteException { 3079 try { 3080 return super.onTransact(code, data, reply, flags); 3081 } catch (RuntimeException e) { 3082 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3083 Slog.wtf(TAG, "Package Manager Crash", e); 3084 } 3085 throw e; 3086 } 3087 } 3088 3089 static int[] appendInts(int[] cur, int[] add) { 3090 if (add == null) return cur; 3091 if (cur == null) return add; 3092 final int N = add.length; 3093 for (int i=0; i<N; i++) { 3094 cur = appendInt(cur, add[i]); 3095 } 3096 return cur; 3097 } 3098 3099 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3100 if (!sUserManager.exists(userId)) return null; 3101 if (ps == null) { 3102 return null; 3103 } 3104 final PackageParser.Package p = ps.pkg; 3105 if (p == null) { 3106 return null; 3107 } 3108 3109 final PermissionsState permissionsState = ps.getPermissionsState(); 3110 3111 final int[] gids = permissionsState.computeGids(userId); 3112 final Set<String> permissions = permissionsState.getPermissions(userId); 3113 final PackageUserState state = ps.readUserState(userId); 3114 3115 return PackageParser.generatePackageInfo(p, gids, flags, 3116 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3117 } 3118 3119 @Override 3120 public void checkPackageStartable(String packageName, int userId) { 3121 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3122 3123 synchronized (mPackages) { 3124 final PackageSetting ps = mSettings.mPackages.get(packageName); 3125 if (ps == null) { 3126 throw new SecurityException("Package " + packageName + " was not found!"); 3127 } 3128 3129 if (!ps.getInstalled(userId)) { 3130 throw new SecurityException( 3131 "Package " + packageName + " was not installed for user " + userId + "!"); 3132 } 3133 3134 if (mSafeMode && !ps.isSystem()) { 3135 throw new SecurityException("Package " + packageName + " not a system app!"); 3136 } 3137 3138 if (mFrozenPackages.contains(packageName)) { 3139 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3140 } 3141 3142 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3143 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3144 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3145 } 3146 } 3147 } 3148 3149 @Override 3150 public boolean isPackageAvailable(String packageName, int userId) { 3151 if (!sUserManager.exists(userId)) return false; 3152 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3153 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3154 synchronized (mPackages) { 3155 PackageParser.Package p = mPackages.get(packageName); 3156 if (p != null) { 3157 final PackageSetting ps = (PackageSetting) p.mExtras; 3158 if (ps != null) { 3159 final PackageUserState state = ps.readUserState(userId); 3160 if (state != null) { 3161 return PackageParser.isAvailable(state); 3162 } 3163 } 3164 } 3165 } 3166 return false; 3167 } 3168 3169 @Override 3170 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3171 if (!sUserManager.exists(userId)) return null; 3172 flags = updateFlagsForPackage(flags, userId, packageName); 3173 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3174 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3175 // reader 3176 synchronized (mPackages) { 3177 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3178 PackageParser.Package p = null; 3179 if (matchFactoryOnly) { 3180 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3181 if (ps != null) { 3182 return generatePackageInfo(ps, flags, userId); 3183 } 3184 } 3185 if (p == null) { 3186 p = mPackages.get(packageName); 3187 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3188 return null; 3189 } 3190 } 3191 if (DEBUG_PACKAGE_INFO) 3192 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3193 if (p != null) { 3194 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3195 } 3196 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3197 final PackageSetting ps = mSettings.mPackages.get(packageName); 3198 return generatePackageInfo(ps, flags, userId); 3199 } 3200 } 3201 return null; 3202 } 3203 3204 @Override 3205 public String[] currentToCanonicalPackageNames(String[] names) { 3206 String[] out = new String[names.length]; 3207 // reader 3208 synchronized (mPackages) { 3209 for (int i=names.length-1; i>=0; i--) { 3210 PackageSetting ps = mSettings.mPackages.get(names[i]); 3211 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3212 } 3213 } 3214 return out; 3215 } 3216 3217 @Override 3218 public String[] canonicalToCurrentPackageNames(String[] names) { 3219 String[] out = new String[names.length]; 3220 // reader 3221 synchronized (mPackages) { 3222 for (int i=names.length-1; i>=0; i--) { 3223 String cur = mSettings.mRenamedPackages.get(names[i]); 3224 out[i] = cur != null ? cur : names[i]; 3225 } 3226 } 3227 return out; 3228 } 3229 3230 @Override 3231 public int getPackageUid(String packageName, int flags, int userId) { 3232 if (!sUserManager.exists(userId)) return -1; 3233 flags = updateFlagsForPackage(flags, userId, packageName); 3234 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3235 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3236 3237 // reader 3238 synchronized (mPackages) { 3239 final PackageParser.Package p = mPackages.get(packageName); 3240 if (p != null && p.isMatch(flags)) { 3241 return UserHandle.getUid(userId, p.applicationInfo.uid); 3242 } 3243 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3244 final PackageSetting ps = mSettings.mPackages.get(packageName); 3245 if (ps != null && ps.isMatch(flags)) { 3246 return UserHandle.getUid(userId, ps.appId); 3247 } 3248 } 3249 } 3250 3251 return -1; 3252 } 3253 3254 @Override 3255 public int[] getPackageGids(String packageName, int flags, int userId) { 3256 if (!sUserManager.exists(userId)) return null; 3257 flags = updateFlagsForPackage(flags, userId, packageName); 3258 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3259 false /* requireFullPermission */, false /* checkShell */, 3260 "getPackageGids"); 3261 3262 // reader 3263 synchronized (mPackages) { 3264 final PackageParser.Package p = mPackages.get(packageName); 3265 if (p != null && p.isMatch(flags)) { 3266 PackageSetting ps = (PackageSetting) p.mExtras; 3267 return ps.getPermissionsState().computeGids(userId); 3268 } 3269 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3270 final PackageSetting ps = mSettings.mPackages.get(packageName); 3271 if (ps != null && ps.isMatch(flags)) { 3272 return ps.getPermissionsState().computeGids(userId); 3273 } 3274 } 3275 } 3276 3277 return null; 3278 } 3279 3280 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3281 if (bp.perm != null) { 3282 return PackageParser.generatePermissionInfo(bp.perm, flags); 3283 } 3284 PermissionInfo pi = new PermissionInfo(); 3285 pi.name = bp.name; 3286 pi.packageName = bp.sourcePackage; 3287 pi.nonLocalizedLabel = bp.name; 3288 pi.protectionLevel = bp.protectionLevel; 3289 return pi; 3290 } 3291 3292 @Override 3293 public PermissionInfo getPermissionInfo(String name, int flags) { 3294 // reader 3295 synchronized (mPackages) { 3296 final BasePermission p = mSettings.mPermissions.get(name); 3297 if (p != null) { 3298 return generatePermissionInfo(p, flags); 3299 } 3300 return null; 3301 } 3302 } 3303 3304 @Override 3305 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3306 int flags) { 3307 // reader 3308 synchronized (mPackages) { 3309 if (group != null && !mPermissionGroups.containsKey(group)) { 3310 // This is thrown as NameNotFoundException 3311 return null; 3312 } 3313 3314 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3315 for (BasePermission p : mSettings.mPermissions.values()) { 3316 if (group == null) { 3317 if (p.perm == null || p.perm.info.group == null) { 3318 out.add(generatePermissionInfo(p, flags)); 3319 } 3320 } else { 3321 if (p.perm != null && group.equals(p.perm.info.group)) { 3322 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3323 } 3324 } 3325 } 3326 return new ParceledListSlice<>(out); 3327 } 3328 } 3329 3330 @Override 3331 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3332 // reader 3333 synchronized (mPackages) { 3334 return PackageParser.generatePermissionGroupInfo( 3335 mPermissionGroups.get(name), flags); 3336 } 3337 } 3338 3339 @Override 3340 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3341 // reader 3342 synchronized (mPackages) { 3343 final int N = mPermissionGroups.size(); 3344 ArrayList<PermissionGroupInfo> out 3345 = new ArrayList<PermissionGroupInfo>(N); 3346 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3347 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3348 } 3349 return new ParceledListSlice<>(out); 3350 } 3351 } 3352 3353 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3354 int userId) { 3355 if (!sUserManager.exists(userId)) return null; 3356 PackageSetting ps = mSettings.mPackages.get(packageName); 3357 if (ps != null) { 3358 if (ps.pkg == null) { 3359 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3360 if (pInfo != null) { 3361 return pInfo.applicationInfo; 3362 } 3363 return null; 3364 } 3365 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3366 ps.readUserState(userId), userId); 3367 } 3368 return null; 3369 } 3370 3371 @Override 3372 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3373 if (!sUserManager.exists(userId)) return null; 3374 flags = updateFlagsForApplication(flags, userId, packageName); 3375 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3376 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3377 // writer 3378 synchronized (mPackages) { 3379 PackageParser.Package p = mPackages.get(packageName); 3380 if (DEBUG_PACKAGE_INFO) Log.v( 3381 TAG, "getApplicationInfo " + packageName 3382 + ": " + p); 3383 if (p != null) { 3384 PackageSetting ps = mSettings.mPackages.get(packageName); 3385 if (ps == null) return null; 3386 // Note: isEnabledLP() does not apply here - always return info 3387 return PackageParser.generateApplicationInfo( 3388 p, flags, ps.readUserState(userId), userId); 3389 } 3390 if ("android".equals(packageName)||"system".equals(packageName)) { 3391 return mAndroidApplication; 3392 } 3393 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3394 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3395 } 3396 } 3397 return null; 3398 } 3399 3400 @Override 3401 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3402 final IPackageDataObserver observer) { 3403 mContext.enforceCallingOrSelfPermission( 3404 android.Manifest.permission.CLEAR_APP_CACHE, null); 3405 // Queue up an async operation since clearing cache may take a little while. 3406 mHandler.post(new Runnable() { 3407 public void run() { 3408 mHandler.removeCallbacks(this); 3409 boolean success = true; 3410 synchronized (mInstallLock) { 3411 try { 3412 mInstaller.freeCache(volumeUuid, freeStorageSize); 3413 } catch (InstallerException e) { 3414 Slog.w(TAG, "Couldn't clear application caches: " + e); 3415 success = false; 3416 } 3417 } 3418 if (observer != null) { 3419 try { 3420 observer.onRemoveCompleted(null, success); 3421 } catch (RemoteException e) { 3422 Slog.w(TAG, "RemoveException when invoking call back"); 3423 } 3424 } 3425 } 3426 }); 3427 } 3428 3429 @Override 3430 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3431 final IntentSender pi) { 3432 mContext.enforceCallingOrSelfPermission( 3433 android.Manifest.permission.CLEAR_APP_CACHE, null); 3434 // Queue up an async operation since clearing cache may take a little while. 3435 mHandler.post(new Runnable() { 3436 public void run() { 3437 mHandler.removeCallbacks(this); 3438 boolean success = true; 3439 synchronized (mInstallLock) { 3440 try { 3441 mInstaller.freeCache(volumeUuid, freeStorageSize); 3442 } catch (InstallerException e) { 3443 Slog.w(TAG, "Couldn't clear application caches: " + e); 3444 success = false; 3445 } 3446 } 3447 if(pi != null) { 3448 try { 3449 // Callback via pending intent 3450 int code = success ? 1 : 0; 3451 pi.sendIntent(null, code, null, 3452 null, null); 3453 } catch (SendIntentException e1) { 3454 Slog.i(TAG, "Failed to send pending intent"); 3455 } 3456 } 3457 } 3458 }); 3459 } 3460 3461 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3462 synchronized (mInstallLock) { 3463 try { 3464 mInstaller.freeCache(volumeUuid, freeStorageSize); 3465 } catch (InstallerException e) { 3466 throw new IOException("Failed to free enough space", e); 3467 } 3468 } 3469 } 3470 3471 /** 3472 * Update given flags based on encryption status of current user. 3473 */ 3474 private int updateFlags(int flags, int userId) { 3475 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3476 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3477 // Caller expressed an explicit opinion about what encryption 3478 // aware/unaware components they want to see, so fall through and 3479 // give them what they want 3480 } else { 3481 // Caller expressed no opinion, so match based on user state 3482 if (StorageManager.isUserKeyUnlocked(userId)) { 3483 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3484 } else { 3485 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3486 } 3487 } 3488 return flags; 3489 } 3490 3491 /** 3492 * Update given flags when being used to request {@link PackageInfo}. 3493 */ 3494 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3495 boolean triaged = true; 3496 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3497 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3498 // Caller is asking for component details, so they'd better be 3499 // asking for specific encryption matching behavior, or be triaged 3500 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3501 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3502 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3503 triaged = false; 3504 } 3505 } 3506 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3507 | PackageManager.MATCH_SYSTEM_ONLY 3508 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3509 triaged = false; 3510 } 3511 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3512 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3513 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3514 } 3515 return updateFlags(flags, userId); 3516 } 3517 3518 /** 3519 * Update given flags when being used to request {@link ApplicationInfo}. 3520 */ 3521 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3522 return updateFlagsForPackage(flags, userId, cookie); 3523 } 3524 3525 /** 3526 * Update given flags when being used to request {@link ComponentInfo}. 3527 */ 3528 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3529 if (cookie instanceof Intent) { 3530 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3531 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3532 } 3533 } 3534 3535 boolean triaged = true; 3536 // Caller is asking for component details, so they'd better be 3537 // asking for specific encryption matching behavior, or be triaged 3538 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3539 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3540 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3541 triaged = false; 3542 } 3543 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3544 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3545 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3546 } 3547 3548 return updateFlags(flags, userId); 3549 } 3550 3551 /** 3552 * Update given flags when being used to request {@link ResolveInfo}. 3553 */ 3554 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3555 // Safe mode means we shouldn't match any third-party components 3556 if (mSafeMode) { 3557 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3558 } 3559 3560 return updateFlagsForComponent(flags, userId, cookie); 3561 } 3562 3563 @Override 3564 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3565 if (!sUserManager.exists(userId)) return null; 3566 flags = updateFlagsForComponent(flags, userId, component); 3567 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3568 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3569 synchronized (mPackages) { 3570 PackageParser.Activity a = mActivities.mActivities.get(component); 3571 3572 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3573 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3574 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3575 if (ps == null) return null; 3576 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3577 userId); 3578 } 3579 if (mResolveComponentName.equals(component)) { 3580 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3581 new PackageUserState(), userId); 3582 } 3583 } 3584 return null; 3585 } 3586 3587 @Override 3588 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3589 String resolvedType) { 3590 synchronized (mPackages) { 3591 if (component.equals(mResolveComponentName)) { 3592 // The resolver supports EVERYTHING! 3593 return true; 3594 } 3595 PackageParser.Activity a = mActivities.mActivities.get(component); 3596 if (a == null) { 3597 return false; 3598 } 3599 for (int i=0; i<a.intents.size(); i++) { 3600 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3601 intent.getData(), intent.getCategories(), TAG) >= 0) { 3602 return true; 3603 } 3604 } 3605 return false; 3606 } 3607 } 3608 3609 @Override 3610 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3611 if (!sUserManager.exists(userId)) return null; 3612 flags = updateFlagsForComponent(flags, userId, component); 3613 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3614 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3615 synchronized (mPackages) { 3616 PackageParser.Activity a = mReceivers.mActivities.get(component); 3617 if (DEBUG_PACKAGE_INFO) Log.v( 3618 TAG, "getReceiverInfo " + component + ": " + a); 3619 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3620 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3621 if (ps == null) return null; 3622 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3623 userId); 3624 } 3625 } 3626 return null; 3627 } 3628 3629 @Override 3630 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3631 if (!sUserManager.exists(userId)) return null; 3632 flags = updateFlagsForComponent(flags, userId, component); 3633 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3634 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3635 synchronized (mPackages) { 3636 PackageParser.Service s = mServices.mServices.get(component); 3637 if (DEBUG_PACKAGE_INFO) Log.v( 3638 TAG, "getServiceInfo " + component + ": " + s); 3639 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3640 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3641 if (ps == null) return null; 3642 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3643 userId); 3644 } 3645 } 3646 return null; 3647 } 3648 3649 @Override 3650 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3651 if (!sUserManager.exists(userId)) return null; 3652 flags = updateFlagsForComponent(flags, userId, component); 3653 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3654 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3655 synchronized (mPackages) { 3656 PackageParser.Provider p = mProviders.mProviders.get(component); 3657 if (DEBUG_PACKAGE_INFO) Log.v( 3658 TAG, "getProviderInfo " + component + ": " + p); 3659 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3660 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3661 if (ps == null) return null; 3662 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3663 userId); 3664 } 3665 } 3666 return null; 3667 } 3668 3669 @Override 3670 public String[] getSystemSharedLibraryNames() { 3671 Set<String> libSet; 3672 synchronized (mPackages) { 3673 libSet = mSharedLibraries.keySet(); 3674 int size = libSet.size(); 3675 if (size > 0) { 3676 String[] libs = new String[size]; 3677 libSet.toArray(libs); 3678 return libs; 3679 } 3680 } 3681 return null; 3682 } 3683 3684 @Override 3685 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3686 synchronized (mPackages) { 3687 return mServicesSystemSharedLibraryPackageName; 3688 } 3689 } 3690 3691 @Override 3692 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3693 synchronized (mPackages) { 3694 return mSharedSystemSharedLibraryPackageName; 3695 } 3696 } 3697 3698 @Override 3699 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3700 synchronized (mPackages) { 3701 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3702 3703 final FeatureInfo fi = new FeatureInfo(); 3704 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3705 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3706 res.add(fi); 3707 3708 return new ParceledListSlice<>(res); 3709 } 3710 } 3711 3712 @Override 3713 public boolean hasSystemFeature(String name, int version) { 3714 synchronized (mPackages) { 3715 final FeatureInfo feat = mAvailableFeatures.get(name); 3716 if (feat == null) { 3717 return false; 3718 } else { 3719 return feat.version >= version; 3720 } 3721 } 3722 } 3723 3724 @Override 3725 public int checkPermission(String permName, String pkgName, int userId) { 3726 if (!sUserManager.exists(userId)) { 3727 return PackageManager.PERMISSION_DENIED; 3728 } 3729 3730 synchronized (mPackages) { 3731 final PackageParser.Package p = mPackages.get(pkgName); 3732 if (p != null && p.mExtras != null) { 3733 final PackageSetting ps = (PackageSetting) p.mExtras; 3734 final PermissionsState permissionsState = ps.getPermissionsState(); 3735 if (permissionsState.hasPermission(permName, userId)) { 3736 return PackageManager.PERMISSION_GRANTED; 3737 } 3738 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3739 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3740 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3741 return PackageManager.PERMISSION_GRANTED; 3742 } 3743 } 3744 } 3745 3746 return PackageManager.PERMISSION_DENIED; 3747 } 3748 3749 @Override 3750 public int checkUidPermission(String permName, int uid) { 3751 final int userId = UserHandle.getUserId(uid); 3752 3753 if (!sUserManager.exists(userId)) { 3754 return PackageManager.PERMISSION_DENIED; 3755 } 3756 3757 synchronized (mPackages) { 3758 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3759 if (obj != null) { 3760 final SettingBase ps = (SettingBase) obj; 3761 final PermissionsState permissionsState = ps.getPermissionsState(); 3762 if (permissionsState.hasPermission(permName, userId)) { 3763 return PackageManager.PERMISSION_GRANTED; 3764 } 3765 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3766 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3767 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3768 return PackageManager.PERMISSION_GRANTED; 3769 } 3770 } else { 3771 ArraySet<String> perms = mSystemPermissions.get(uid); 3772 if (perms != null) { 3773 if (perms.contains(permName)) { 3774 return PackageManager.PERMISSION_GRANTED; 3775 } 3776 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3777 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3778 return PackageManager.PERMISSION_GRANTED; 3779 } 3780 } 3781 } 3782 } 3783 3784 return PackageManager.PERMISSION_DENIED; 3785 } 3786 3787 @Override 3788 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3789 if (UserHandle.getCallingUserId() != userId) { 3790 mContext.enforceCallingPermission( 3791 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3792 "isPermissionRevokedByPolicy for user " + userId); 3793 } 3794 3795 if (checkPermission(permission, packageName, userId) 3796 == PackageManager.PERMISSION_GRANTED) { 3797 return false; 3798 } 3799 3800 final long identity = Binder.clearCallingIdentity(); 3801 try { 3802 final int flags = getPermissionFlags(permission, packageName, userId); 3803 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3804 } finally { 3805 Binder.restoreCallingIdentity(identity); 3806 } 3807 } 3808 3809 @Override 3810 public String getPermissionControllerPackageName() { 3811 synchronized (mPackages) { 3812 return mRequiredInstallerPackage; 3813 } 3814 } 3815 3816 /** 3817 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3818 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3819 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3820 * @param message the message to log on security exception 3821 */ 3822 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3823 boolean checkShell, String message) { 3824 if (userId < 0) { 3825 throw new IllegalArgumentException("Invalid userId " + userId); 3826 } 3827 if (checkShell) { 3828 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3829 } 3830 if (userId == UserHandle.getUserId(callingUid)) return; 3831 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3832 if (requireFullPermission) { 3833 mContext.enforceCallingOrSelfPermission( 3834 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3835 } else { 3836 try { 3837 mContext.enforceCallingOrSelfPermission( 3838 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3839 } catch (SecurityException se) { 3840 mContext.enforceCallingOrSelfPermission( 3841 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3842 } 3843 } 3844 } 3845 } 3846 3847 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3848 if (callingUid == Process.SHELL_UID) { 3849 if (userHandle >= 0 3850 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3851 throw new SecurityException("Shell does not have permission to access user " 3852 + userHandle); 3853 } else if (userHandle < 0) { 3854 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3855 + Debug.getCallers(3)); 3856 } 3857 } 3858 } 3859 3860 private BasePermission findPermissionTreeLP(String permName) { 3861 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3862 if (permName.startsWith(bp.name) && 3863 permName.length() > bp.name.length() && 3864 permName.charAt(bp.name.length()) == '.') { 3865 return bp; 3866 } 3867 } 3868 return null; 3869 } 3870 3871 private BasePermission checkPermissionTreeLP(String permName) { 3872 if (permName != null) { 3873 BasePermission bp = findPermissionTreeLP(permName); 3874 if (bp != null) { 3875 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3876 return bp; 3877 } 3878 throw new SecurityException("Calling uid " 3879 + Binder.getCallingUid() 3880 + " is not allowed to add to permission tree " 3881 + bp.name + " owned by uid " + bp.uid); 3882 } 3883 } 3884 throw new SecurityException("No permission tree found for " + permName); 3885 } 3886 3887 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3888 if (s1 == null) { 3889 return s2 == null; 3890 } 3891 if (s2 == null) { 3892 return false; 3893 } 3894 if (s1.getClass() != s2.getClass()) { 3895 return false; 3896 } 3897 return s1.equals(s2); 3898 } 3899 3900 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3901 if (pi1.icon != pi2.icon) return false; 3902 if (pi1.logo != pi2.logo) return false; 3903 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3904 if (!compareStrings(pi1.name, pi2.name)) return false; 3905 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3906 // We'll take care of setting this one. 3907 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3908 // These are not currently stored in settings. 3909 //if (!compareStrings(pi1.group, pi2.group)) return false; 3910 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3911 //if (pi1.labelRes != pi2.labelRes) return false; 3912 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3913 return true; 3914 } 3915 3916 int permissionInfoFootprint(PermissionInfo info) { 3917 int size = info.name.length(); 3918 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3919 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3920 return size; 3921 } 3922 3923 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3924 int size = 0; 3925 for (BasePermission perm : mSettings.mPermissions.values()) { 3926 if (perm.uid == tree.uid) { 3927 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3928 } 3929 } 3930 return size; 3931 } 3932 3933 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3934 // We calculate the max size of permissions defined by this uid and throw 3935 // if that plus the size of 'info' would exceed our stated maximum. 3936 if (tree.uid != Process.SYSTEM_UID) { 3937 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3938 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3939 throw new SecurityException("Permission tree size cap exceeded"); 3940 } 3941 } 3942 } 3943 3944 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3945 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3946 throw new SecurityException("Label must be specified in permission"); 3947 } 3948 BasePermission tree = checkPermissionTreeLP(info.name); 3949 BasePermission bp = mSettings.mPermissions.get(info.name); 3950 boolean added = bp == null; 3951 boolean changed = true; 3952 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3953 if (added) { 3954 enforcePermissionCapLocked(info, tree); 3955 bp = new BasePermission(info.name, tree.sourcePackage, 3956 BasePermission.TYPE_DYNAMIC); 3957 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3958 throw new SecurityException( 3959 "Not allowed to modify non-dynamic permission " 3960 + info.name); 3961 } else { 3962 if (bp.protectionLevel == fixedLevel 3963 && bp.perm.owner.equals(tree.perm.owner) 3964 && bp.uid == tree.uid 3965 && comparePermissionInfos(bp.perm.info, info)) { 3966 changed = false; 3967 } 3968 } 3969 bp.protectionLevel = fixedLevel; 3970 info = new PermissionInfo(info); 3971 info.protectionLevel = fixedLevel; 3972 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3973 bp.perm.info.packageName = tree.perm.info.packageName; 3974 bp.uid = tree.uid; 3975 if (added) { 3976 mSettings.mPermissions.put(info.name, bp); 3977 } 3978 if (changed) { 3979 if (!async) { 3980 mSettings.writeLPr(); 3981 } else { 3982 scheduleWriteSettingsLocked(); 3983 } 3984 } 3985 return added; 3986 } 3987 3988 @Override 3989 public boolean addPermission(PermissionInfo info) { 3990 synchronized (mPackages) { 3991 return addPermissionLocked(info, false); 3992 } 3993 } 3994 3995 @Override 3996 public boolean addPermissionAsync(PermissionInfo info) { 3997 synchronized (mPackages) { 3998 return addPermissionLocked(info, true); 3999 } 4000 } 4001 4002 @Override 4003 public void removePermission(String name) { 4004 synchronized (mPackages) { 4005 checkPermissionTreeLP(name); 4006 BasePermission bp = mSettings.mPermissions.get(name); 4007 if (bp != null) { 4008 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4009 throw new SecurityException( 4010 "Not allowed to modify non-dynamic permission " 4011 + name); 4012 } 4013 mSettings.mPermissions.remove(name); 4014 mSettings.writeLPr(); 4015 } 4016 } 4017 } 4018 4019 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4020 BasePermission bp) { 4021 int index = pkg.requestedPermissions.indexOf(bp.name); 4022 if (index == -1) { 4023 throw new SecurityException("Package " + pkg.packageName 4024 + " has not requested permission " + bp.name); 4025 } 4026 if (!bp.isRuntime() && !bp.isDevelopment()) { 4027 throw new SecurityException("Permission " + bp.name 4028 + " is not a changeable permission type"); 4029 } 4030 } 4031 4032 @Override 4033 public void grantRuntimePermission(String packageName, String name, final int userId) { 4034 if (!sUserManager.exists(userId)) { 4035 Log.e(TAG, "No such user:" + userId); 4036 return; 4037 } 4038 4039 mContext.enforceCallingOrSelfPermission( 4040 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4041 "grantRuntimePermission"); 4042 4043 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4044 true /* requireFullPermission */, true /* checkShell */, 4045 "grantRuntimePermission"); 4046 4047 final int uid; 4048 final SettingBase sb; 4049 4050 synchronized (mPackages) { 4051 final PackageParser.Package pkg = mPackages.get(packageName); 4052 if (pkg == null) { 4053 throw new IllegalArgumentException("Unknown package: " + packageName); 4054 } 4055 4056 final BasePermission bp = mSettings.mPermissions.get(name); 4057 if (bp == null) { 4058 throw new IllegalArgumentException("Unknown permission: " + name); 4059 } 4060 4061 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4062 4063 // If a permission review is required for legacy apps we represent 4064 // their permissions as always granted runtime ones since we need 4065 // to keep the review required permission flag per user while an 4066 // install permission's state is shared across all users. 4067 if (Build.PERMISSIONS_REVIEW_REQUIRED 4068 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4069 && bp.isRuntime()) { 4070 return; 4071 } 4072 4073 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4074 sb = (SettingBase) pkg.mExtras; 4075 if (sb == null) { 4076 throw new IllegalArgumentException("Unknown package: " + packageName); 4077 } 4078 4079 final PermissionsState permissionsState = sb.getPermissionsState(); 4080 4081 final int flags = permissionsState.getPermissionFlags(name, userId); 4082 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4083 throw new SecurityException("Cannot grant system fixed permission " 4084 + name + " for package " + packageName); 4085 } 4086 4087 if (bp.isDevelopment()) { 4088 // Development permissions must be handled specially, since they are not 4089 // normal runtime permissions. For now they apply to all users. 4090 if (permissionsState.grantInstallPermission(bp) != 4091 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4092 scheduleWriteSettingsLocked(); 4093 } 4094 return; 4095 } 4096 4097 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4098 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4099 return; 4100 } 4101 4102 final int result = permissionsState.grantRuntimePermission(bp, userId); 4103 switch (result) { 4104 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4105 return; 4106 } 4107 4108 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4109 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4110 mHandler.post(new Runnable() { 4111 @Override 4112 public void run() { 4113 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4114 } 4115 }); 4116 } 4117 break; 4118 } 4119 4120 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4121 4122 // Not critical if that is lost - app has to request again. 4123 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4124 } 4125 4126 // Only need to do this if user is initialized. Otherwise it's a new user 4127 // and there are no processes running as the user yet and there's no need 4128 // to make an expensive call to remount processes for the changed permissions. 4129 if (READ_EXTERNAL_STORAGE.equals(name) 4130 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4131 final long token = Binder.clearCallingIdentity(); 4132 try { 4133 if (sUserManager.isInitialized(userId)) { 4134 MountServiceInternal mountServiceInternal = LocalServices.getService( 4135 MountServiceInternal.class); 4136 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4137 } 4138 } finally { 4139 Binder.restoreCallingIdentity(token); 4140 } 4141 } 4142 } 4143 4144 @Override 4145 public void revokeRuntimePermission(String packageName, String name, int userId) { 4146 if (!sUserManager.exists(userId)) { 4147 Log.e(TAG, "No such user:" + userId); 4148 return; 4149 } 4150 4151 mContext.enforceCallingOrSelfPermission( 4152 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4153 "revokeRuntimePermission"); 4154 4155 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4156 true /* requireFullPermission */, true /* checkShell */, 4157 "revokeRuntimePermission"); 4158 4159 final int appId; 4160 4161 synchronized (mPackages) { 4162 final PackageParser.Package pkg = mPackages.get(packageName); 4163 if (pkg == null) { 4164 throw new IllegalArgumentException("Unknown package: " + packageName); 4165 } 4166 4167 final BasePermission bp = mSettings.mPermissions.get(name); 4168 if (bp == null) { 4169 throw new IllegalArgumentException("Unknown permission: " + name); 4170 } 4171 4172 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4173 4174 // If a permission review is required for legacy apps we represent 4175 // their permissions as always granted runtime ones since we need 4176 // to keep the review required permission flag per user while an 4177 // install permission's state is shared across all users. 4178 if (Build.PERMISSIONS_REVIEW_REQUIRED 4179 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4180 && bp.isRuntime()) { 4181 return; 4182 } 4183 4184 SettingBase sb = (SettingBase) pkg.mExtras; 4185 if (sb == null) { 4186 throw new IllegalArgumentException("Unknown package: " + packageName); 4187 } 4188 4189 final PermissionsState permissionsState = sb.getPermissionsState(); 4190 4191 final int flags = permissionsState.getPermissionFlags(name, userId); 4192 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4193 throw new SecurityException("Cannot revoke system fixed permission " 4194 + name + " for package " + packageName); 4195 } 4196 4197 if (bp.isDevelopment()) { 4198 // Development permissions must be handled specially, since they are not 4199 // normal runtime permissions. For now they apply to all users. 4200 if (permissionsState.revokeInstallPermission(bp) != 4201 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4202 scheduleWriteSettingsLocked(); 4203 } 4204 return; 4205 } 4206 4207 if (permissionsState.revokeRuntimePermission(bp, userId) == 4208 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4209 return; 4210 } 4211 4212 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4213 4214 // Critical, after this call app should never have the permission. 4215 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4216 4217 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4218 } 4219 4220 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4221 } 4222 4223 @Override 4224 public void resetRuntimePermissions() { 4225 mContext.enforceCallingOrSelfPermission( 4226 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4227 "revokeRuntimePermission"); 4228 4229 int callingUid = Binder.getCallingUid(); 4230 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4231 mContext.enforceCallingOrSelfPermission( 4232 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4233 "resetRuntimePermissions"); 4234 } 4235 4236 synchronized (mPackages) { 4237 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4238 for (int userId : UserManagerService.getInstance().getUserIds()) { 4239 final int packageCount = mPackages.size(); 4240 for (int i = 0; i < packageCount; i++) { 4241 PackageParser.Package pkg = mPackages.valueAt(i); 4242 if (!(pkg.mExtras instanceof PackageSetting)) { 4243 continue; 4244 } 4245 PackageSetting ps = (PackageSetting) pkg.mExtras; 4246 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4247 } 4248 } 4249 } 4250 } 4251 4252 @Override 4253 public int getPermissionFlags(String name, String packageName, int userId) { 4254 if (!sUserManager.exists(userId)) { 4255 return 0; 4256 } 4257 4258 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4259 4260 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4261 true /* requireFullPermission */, false /* checkShell */, 4262 "getPermissionFlags"); 4263 4264 synchronized (mPackages) { 4265 final PackageParser.Package pkg = mPackages.get(packageName); 4266 if (pkg == null) { 4267 throw new IllegalArgumentException("Unknown package: " + packageName); 4268 } 4269 4270 final BasePermission bp = mSettings.mPermissions.get(name); 4271 if (bp == null) { 4272 throw new IllegalArgumentException("Unknown permission: " + name); 4273 } 4274 4275 SettingBase sb = (SettingBase) pkg.mExtras; 4276 if (sb == null) { 4277 throw new IllegalArgumentException("Unknown package: " + packageName); 4278 } 4279 4280 PermissionsState permissionsState = sb.getPermissionsState(); 4281 return permissionsState.getPermissionFlags(name, userId); 4282 } 4283 } 4284 4285 @Override 4286 public void updatePermissionFlags(String name, String packageName, int flagMask, 4287 int flagValues, int userId) { 4288 if (!sUserManager.exists(userId)) { 4289 return; 4290 } 4291 4292 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4293 4294 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4295 true /* requireFullPermission */, true /* checkShell */, 4296 "updatePermissionFlags"); 4297 4298 // Only the system can change these flags and nothing else. 4299 if (getCallingUid() != Process.SYSTEM_UID) { 4300 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4301 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4302 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4303 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4304 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4305 } 4306 4307 synchronized (mPackages) { 4308 final PackageParser.Package pkg = mPackages.get(packageName); 4309 if (pkg == null) { 4310 throw new IllegalArgumentException("Unknown package: " + packageName); 4311 } 4312 4313 final BasePermission bp = mSettings.mPermissions.get(name); 4314 if (bp == null) { 4315 throw new IllegalArgumentException("Unknown permission: " + name); 4316 } 4317 4318 SettingBase sb = (SettingBase) pkg.mExtras; 4319 if (sb == null) { 4320 throw new IllegalArgumentException("Unknown package: " + packageName); 4321 } 4322 4323 PermissionsState permissionsState = sb.getPermissionsState(); 4324 4325 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4326 4327 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4328 // Install and runtime permissions are stored in different places, 4329 // so figure out what permission changed and persist the change. 4330 if (permissionsState.getInstallPermissionState(name) != null) { 4331 scheduleWriteSettingsLocked(); 4332 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4333 || hadState) { 4334 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4335 } 4336 } 4337 } 4338 } 4339 4340 /** 4341 * Update the permission flags for all packages and runtime permissions of a user in order 4342 * to allow device or profile owner to remove POLICY_FIXED. 4343 */ 4344 @Override 4345 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4346 if (!sUserManager.exists(userId)) { 4347 return; 4348 } 4349 4350 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4351 4352 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4353 true /* requireFullPermission */, true /* checkShell */, 4354 "updatePermissionFlagsForAllApps"); 4355 4356 // Only the system can change system fixed flags. 4357 if (getCallingUid() != Process.SYSTEM_UID) { 4358 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4359 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4360 } 4361 4362 synchronized (mPackages) { 4363 boolean changed = false; 4364 final int packageCount = mPackages.size(); 4365 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4366 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4367 SettingBase sb = (SettingBase) pkg.mExtras; 4368 if (sb == null) { 4369 continue; 4370 } 4371 PermissionsState permissionsState = sb.getPermissionsState(); 4372 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4373 userId, flagMask, flagValues); 4374 } 4375 if (changed) { 4376 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4377 } 4378 } 4379 } 4380 4381 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4382 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4383 != PackageManager.PERMISSION_GRANTED 4384 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4385 != PackageManager.PERMISSION_GRANTED) { 4386 throw new SecurityException(message + " requires " 4387 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4388 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4389 } 4390 } 4391 4392 @Override 4393 public boolean shouldShowRequestPermissionRationale(String permissionName, 4394 String packageName, int userId) { 4395 if (UserHandle.getCallingUserId() != userId) { 4396 mContext.enforceCallingPermission( 4397 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4398 "canShowRequestPermissionRationale for user " + userId); 4399 } 4400 4401 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4402 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4403 return false; 4404 } 4405 4406 if (checkPermission(permissionName, packageName, userId) 4407 == PackageManager.PERMISSION_GRANTED) { 4408 return false; 4409 } 4410 4411 final int flags; 4412 4413 final long identity = Binder.clearCallingIdentity(); 4414 try { 4415 flags = getPermissionFlags(permissionName, 4416 packageName, userId); 4417 } finally { 4418 Binder.restoreCallingIdentity(identity); 4419 } 4420 4421 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4422 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4423 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4424 4425 if ((flags & fixedFlags) != 0) { 4426 return false; 4427 } 4428 4429 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4430 } 4431 4432 @Override 4433 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4434 mContext.enforceCallingOrSelfPermission( 4435 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4436 "addOnPermissionsChangeListener"); 4437 4438 synchronized (mPackages) { 4439 mOnPermissionChangeListeners.addListenerLocked(listener); 4440 } 4441 } 4442 4443 @Override 4444 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4445 synchronized (mPackages) { 4446 mOnPermissionChangeListeners.removeListenerLocked(listener); 4447 } 4448 } 4449 4450 @Override 4451 public boolean isProtectedBroadcast(String actionName) { 4452 synchronized (mPackages) { 4453 if (mProtectedBroadcasts.contains(actionName)) { 4454 return true; 4455 } else if (actionName != null) { 4456 // TODO: remove these terrible hacks 4457 if (actionName.startsWith("android.net.netmon.lingerExpired") 4458 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4459 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4460 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4461 return true; 4462 } 4463 } 4464 } 4465 return false; 4466 } 4467 4468 @Override 4469 public int checkSignatures(String pkg1, String pkg2) { 4470 synchronized (mPackages) { 4471 final PackageParser.Package p1 = mPackages.get(pkg1); 4472 final PackageParser.Package p2 = mPackages.get(pkg2); 4473 if (p1 == null || p1.mExtras == null 4474 || p2 == null || p2.mExtras == null) { 4475 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4476 } 4477 return compareSignatures(p1.mSignatures, p2.mSignatures); 4478 } 4479 } 4480 4481 @Override 4482 public int checkUidSignatures(int uid1, int uid2) { 4483 // Map to base uids. 4484 uid1 = UserHandle.getAppId(uid1); 4485 uid2 = UserHandle.getAppId(uid2); 4486 // reader 4487 synchronized (mPackages) { 4488 Signature[] s1; 4489 Signature[] s2; 4490 Object obj = mSettings.getUserIdLPr(uid1); 4491 if (obj != null) { 4492 if (obj instanceof SharedUserSetting) { 4493 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4494 } else if (obj instanceof PackageSetting) { 4495 s1 = ((PackageSetting)obj).signatures.mSignatures; 4496 } else { 4497 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4498 } 4499 } else { 4500 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4501 } 4502 obj = mSettings.getUserIdLPr(uid2); 4503 if (obj != null) { 4504 if (obj instanceof SharedUserSetting) { 4505 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4506 } else if (obj instanceof PackageSetting) { 4507 s2 = ((PackageSetting)obj).signatures.mSignatures; 4508 } else { 4509 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4510 } 4511 } else { 4512 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4513 } 4514 return compareSignatures(s1, s2); 4515 } 4516 } 4517 4518 /** 4519 * This method should typically only be used when granting or revoking 4520 * permissions, since the app may immediately restart after this call. 4521 * <p> 4522 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4523 * guard your work against the app being relaunched. 4524 */ 4525 private void killUid(int appId, int userId, String reason) { 4526 final long identity = Binder.clearCallingIdentity(); 4527 try { 4528 IActivityManager am = ActivityManagerNative.getDefault(); 4529 if (am != null) { 4530 try { 4531 am.killUid(appId, userId, reason); 4532 } catch (RemoteException e) { 4533 /* ignore - same process */ 4534 } 4535 } 4536 } finally { 4537 Binder.restoreCallingIdentity(identity); 4538 } 4539 } 4540 4541 /** 4542 * Compares two sets of signatures. Returns: 4543 * <br /> 4544 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4545 * <br /> 4546 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4547 * <br /> 4548 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4549 * <br /> 4550 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4551 * <br /> 4552 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4553 */ 4554 static int compareSignatures(Signature[] s1, Signature[] s2) { 4555 if (s1 == null) { 4556 return s2 == null 4557 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4558 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4559 } 4560 4561 if (s2 == null) { 4562 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4563 } 4564 4565 if (s1.length != s2.length) { 4566 return PackageManager.SIGNATURE_NO_MATCH; 4567 } 4568 4569 // Since both signature sets are of size 1, we can compare without HashSets. 4570 if (s1.length == 1) { 4571 return s1[0].equals(s2[0]) ? 4572 PackageManager.SIGNATURE_MATCH : 4573 PackageManager.SIGNATURE_NO_MATCH; 4574 } 4575 4576 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4577 for (Signature sig : s1) { 4578 set1.add(sig); 4579 } 4580 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4581 for (Signature sig : s2) { 4582 set2.add(sig); 4583 } 4584 // Make sure s2 contains all signatures in s1. 4585 if (set1.equals(set2)) { 4586 return PackageManager.SIGNATURE_MATCH; 4587 } 4588 return PackageManager.SIGNATURE_NO_MATCH; 4589 } 4590 4591 /** 4592 * If the database version for this type of package (internal storage or 4593 * external storage) is less than the version where package signatures 4594 * were updated, return true. 4595 */ 4596 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4597 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4598 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4599 } 4600 4601 /** 4602 * Used for backward compatibility to make sure any packages with 4603 * certificate chains get upgraded to the new style. {@code existingSigs} 4604 * will be in the old format (since they were stored on disk from before the 4605 * system upgrade) and {@code scannedSigs} will be in the newer format. 4606 */ 4607 private int compareSignaturesCompat(PackageSignatures existingSigs, 4608 PackageParser.Package scannedPkg) { 4609 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4610 return PackageManager.SIGNATURE_NO_MATCH; 4611 } 4612 4613 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4614 for (Signature sig : existingSigs.mSignatures) { 4615 existingSet.add(sig); 4616 } 4617 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4618 for (Signature sig : scannedPkg.mSignatures) { 4619 try { 4620 Signature[] chainSignatures = sig.getChainSignatures(); 4621 for (Signature chainSig : chainSignatures) { 4622 scannedCompatSet.add(chainSig); 4623 } 4624 } catch (CertificateEncodingException e) { 4625 scannedCompatSet.add(sig); 4626 } 4627 } 4628 /* 4629 * Make sure the expanded scanned set contains all signatures in the 4630 * existing one. 4631 */ 4632 if (scannedCompatSet.equals(existingSet)) { 4633 // Migrate the old signatures to the new scheme. 4634 existingSigs.assignSignatures(scannedPkg.mSignatures); 4635 // The new KeySets will be re-added later in the scanning process. 4636 synchronized (mPackages) { 4637 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4638 } 4639 return PackageManager.SIGNATURE_MATCH; 4640 } 4641 return PackageManager.SIGNATURE_NO_MATCH; 4642 } 4643 4644 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4645 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4646 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4647 } 4648 4649 private int compareSignaturesRecover(PackageSignatures existingSigs, 4650 PackageParser.Package scannedPkg) { 4651 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4652 return PackageManager.SIGNATURE_NO_MATCH; 4653 } 4654 4655 String msg = null; 4656 try { 4657 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4658 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4659 + scannedPkg.packageName); 4660 return PackageManager.SIGNATURE_MATCH; 4661 } 4662 } catch (CertificateException e) { 4663 msg = e.getMessage(); 4664 } 4665 4666 logCriticalInfo(Log.INFO, 4667 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4668 return PackageManager.SIGNATURE_NO_MATCH; 4669 } 4670 4671 @Override 4672 public List<String> getAllPackages() { 4673 synchronized (mPackages) { 4674 return new ArrayList<String>(mPackages.keySet()); 4675 } 4676 } 4677 4678 @Override 4679 public String[] getPackagesForUid(int uid) { 4680 uid = UserHandle.getAppId(uid); 4681 // reader 4682 synchronized (mPackages) { 4683 Object obj = mSettings.getUserIdLPr(uid); 4684 if (obj instanceof SharedUserSetting) { 4685 final SharedUserSetting sus = (SharedUserSetting) obj; 4686 final int N = sus.packages.size(); 4687 final String[] res = new String[N]; 4688 final Iterator<PackageSetting> it = sus.packages.iterator(); 4689 int i = 0; 4690 while (it.hasNext()) { 4691 res[i++] = it.next().name; 4692 } 4693 return res; 4694 } else if (obj instanceof PackageSetting) { 4695 final PackageSetting ps = (PackageSetting) obj; 4696 return new String[] { ps.name }; 4697 } 4698 } 4699 return null; 4700 } 4701 4702 @Override 4703 public String getNameForUid(int uid) { 4704 // reader 4705 synchronized (mPackages) { 4706 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4707 if (obj instanceof SharedUserSetting) { 4708 final SharedUserSetting sus = (SharedUserSetting) obj; 4709 return sus.name + ":" + sus.userId; 4710 } else if (obj instanceof PackageSetting) { 4711 final PackageSetting ps = (PackageSetting) obj; 4712 return ps.name; 4713 } 4714 } 4715 return null; 4716 } 4717 4718 @Override 4719 public int getUidForSharedUser(String sharedUserName) { 4720 if(sharedUserName == null) { 4721 return -1; 4722 } 4723 // reader 4724 synchronized (mPackages) { 4725 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4726 if (suid == null) { 4727 return -1; 4728 } 4729 return suid.userId; 4730 } 4731 } 4732 4733 @Override 4734 public int getFlagsForUid(int uid) { 4735 synchronized (mPackages) { 4736 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4737 if (obj instanceof SharedUserSetting) { 4738 final SharedUserSetting sus = (SharedUserSetting) obj; 4739 return sus.pkgFlags; 4740 } else if (obj instanceof PackageSetting) { 4741 final PackageSetting ps = (PackageSetting) obj; 4742 return ps.pkgFlags; 4743 } 4744 } 4745 return 0; 4746 } 4747 4748 @Override 4749 public int getPrivateFlagsForUid(int uid) { 4750 synchronized (mPackages) { 4751 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4752 if (obj instanceof SharedUserSetting) { 4753 final SharedUserSetting sus = (SharedUserSetting) obj; 4754 return sus.pkgPrivateFlags; 4755 } else if (obj instanceof PackageSetting) { 4756 final PackageSetting ps = (PackageSetting) obj; 4757 return ps.pkgPrivateFlags; 4758 } 4759 } 4760 return 0; 4761 } 4762 4763 @Override 4764 public boolean isUidPrivileged(int uid) { 4765 uid = UserHandle.getAppId(uid); 4766 // reader 4767 synchronized (mPackages) { 4768 Object obj = mSettings.getUserIdLPr(uid); 4769 if (obj instanceof SharedUserSetting) { 4770 final SharedUserSetting sus = (SharedUserSetting) obj; 4771 final Iterator<PackageSetting> it = sus.packages.iterator(); 4772 while (it.hasNext()) { 4773 if (it.next().isPrivileged()) { 4774 return true; 4775 } 4776 } 4777 } else if (obj instanceof PackageSetting) { 4778 final PackageSetting ps = (PackageSetting) obj; 4779 return ps.isPrivileged(); 4780 } 4781 } 4782 return false; 4783 } 4784 4785 @Override 4786 public String[] getAppOpPermissionPackages(String permissionName) { 4787 synchronized (mPackages) { 4788 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4789 if (pkgs == null) { 4790 return null; 4791 } 4792 return pkgs.toArray(new String[pkgs.size()]); 4793 } 4794 } 4795 4796 @Override 4797 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4798 int flags, int userId) { 4799 try { 4800 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4801 4802 if (!sUserManager.exists(userId)) return null; 4803 flags = updateFlagsForResolve(flags, userId, intent); 4804 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4805 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4806 4807 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4808 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4809 flags, userId); 4810 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4811 4812 final ResolveInfo bestChoice = 4813 chooseBestActivity(intent, resolvedType, flags, query, userId); 4814 4815 if (isEphemeralAllowed(intent, query, userId)) { 4816 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4817 final EphemeralResolveInfo ai = 4818 getEphemeralResolveInfo(intent, resolvedType, userId); 4819 if (ai != null) { 4820 if (DEBUG_EPHEMERAL) { 4821 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4822 } 4823 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4824 bestChoice.ephemeralResolveInfo = ai; 4825 } 4826 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4827 } 4828 return bestChoice; 4829 } finally { 4830 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4831 } 4832 } 4833 4834 @Override 4835 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4836 IntentFilter filter, int match, ComponentName activity) { 4837 final int userId = UserHandle.getCallingUserId(); 4838 if (DEBUG_PREFERRED) { 4839 Log.v(TAG, "setLastChosenActivity intent=" + intent 4840 + " resolvedType=" + resolvedType 4841 + " flags=" + flags 4842 + " filter=" + filter 4843 + " match=" + match 4844 + " activity=" + activity); 4845 filter.dump(new PrintStreamPrinter(System.out), " "); 4846 } 4847 intent.setComponent(null); 4848 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4849 userId); 4850 // Find any earlier preferred or last chosen entries and nuke them 4851 findPreferredActivity(intent, resolvedType, 4852 flags, query, 0, false, true, false, userId); 4853 // Add the new activity as the last chosen for this filter 4854 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4855 "Setting last chosen"); 4856 } 4857 4858 @Override 4859 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4860 final int userId = UserHandle.getCallingUserId(); 4861 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4862 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4863 userId); 4864 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4865 false, false, false, userId); 4866 } 4867 4868 4869 private boolean isEphemeralAllowed( 4870 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4871 // Short circuit and return early if possible. 4872 if (DISABLE_EPHEMERAL_APPS) { 4873 return false; 4874 } 4875 final int callingUser = UserHandle.getCallingUserId(); 4876 if (callingUser != UserHandle.USER_SYSTEM) { 4877 return false; 4878 } 4879 if (mEphemeralResolverConnection == null) { 4880 return false; 4881 } 4882 if (intent.getComponent() != null) { 4883 return false; 4884 } 4885 if (intent.getPackage() != null) { 4886 return false; 4887 } 4888 final boolean isWebUri = hasWebURI(intent); 4889 if (!isWebUri) { 4890 return false; 4891 } 4892 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4893 synchronized (mPackages) { 4894 final int count = resolvedActivites.size(); 4895 for (int n = 0; n < count; n++) { 4896 ResolveInfo info = resolvedActivites.get(n); 4897 String packageName = info.activityInfo.packageName; 4898 PackageSetting ps = mSettings.mPackages.get(packageName); 4899 if (ps != null) { 4900 // Try to get the status from User settings first 4901 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4902 int status = (int) (packedStatus >> 32); 4903 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4904 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4905 if (DEBUG_EPHEMERAL) { 4906 Slog.v(TAG, "DENY ephemeral apps;" 4907 + " pkg: " + packageName + ", status: " + status); 4908 } 4909 return false; 4910 } 4911 } 4912 } 4913 } 4914 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4915 return true; 4916 } 4917 4918 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4919 int userId) { 4920 MessageDigest digest = null; 4921 try { 4922 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4923 } catch (NoSuchAlgorithmException e) { 4924 // If we can't create a digest, ignore ephemeral apps. 4925 return null; 4926 } 4927 4928 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4929 final byte[] digestBytes = digest.digest(hostBytes); 4930 int shaPrefix = 4931 digestBytes[0] << 24 4932 | digestBytes[1] << 16 4933 | digestBytes[2] << 8 4934 | digestBytes[3] << 0; 4935 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4936 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4937 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4938 // No hash prefix match; there are no ephemeral apps for this domain. 4939 return null; 4940 } 4941 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4942 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4943 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4944 continue; 4945 } 4946 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4947 // No filters; this should never happen. 4948 if (filters.isEmpty()) { 4949 continue; 4950 } 4951 // We have a domain match; resolve the filters to see if anything matches. 4952 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4953 for (int j = filters.size() - 1; j >= 0; --j) { 4954 final EphemeralResolveIntentInfo intentInfo = 4955 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4956 ephemeralResolver.addFilter(intentInfo); 4957 } 4958 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4959 intent, resolvedType, false /*defaultOnly*/, userId); 4960 if (!matchedResolveInfoList.isEmpty()) { 4961 return matchedResolveInfoList.get(0); 4962 } 4963 } 4964 // Hash or filter mis-match; no ephemeral apps for this domain. 4965 return null; 4966 } 4967 4968 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4969 int flags, List<ResolveInfo> query, int userId) { 4970 if (query != null) { 4971 final int N = query.size(); 4972 if (N == 1) { 4973 return query.get(0); 4974 } else if (N > 1) { 4975 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4976 // If there is more than one activity with the same priority, 4977 // then let the user decide between them. 4978 ResolveInfo r0 = query.get(0); 4979 ResolveInfo r1 = query.get(1); 4980 if (DEBUG_INTENT_MATCHING || debug) { 4981 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4982 + r1.activityInfo.name + "=" + r1.priority); 4983 } 4984 // If the first activity has a higher priority, or a different 4985 // default, then it is always desirable to pick it. 4986 if (r0.priority != r1.priority 4987 || r0.preferredOrder != r1.preferredOrder 4988 || r0.isDefault != r1.isDefault) { 4989 return query.get(0); 4990 } 4991 // If we have saved a preference for a preferred activity for 4992 // this Intent, use that. 4993 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4994 flags, query, r0.priority, true, false, debug, userId); 4995 if (ri != null) { 4996 return ri; 4997 } 4998 ri = new ResolveInfo(mResolveInfo); 4999 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5000 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5001 ri.activityInfo.applicationInfo = new ApplicationInfo( 5002 ri.activityInfo.applicationInfo); 5003 if (userId != 0) { 5004 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5005 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5006 } 5007 // Make sure that the resolver is displayable in car mode 5008 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5009 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5010 return ri; 5011 } 5012 } 5013 return null; 5014 } 5015 5016 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5017 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5018 final int N = query.size(); 5019 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5020 .get(userId); 5021 // Get the list of persistent preferred activities that handle the intent 5022 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5023 List<PersistentPreferredActivity> pprefs = ppir != null 5024 ? ppir.queryIntent(intent, resolvedType, 5025 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5026 : null; 5027 if (pprefs != null && pprefs.size() > 0) { 5028 final int M = pprefs.size(); 5029 for (int i=0; i<M; i++) { 5030 final PersistentPreferredActivity ppa = pprefs.get(i); 5031 if (DEBUG_PREFERRED || debug) { 5032 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5033 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5034 + "\n component=" + ppa.mComponent); 5035 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5036 } 5037 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5038 flags | MATCH_DISABLED_COMPONENTS, userId); 5039 if (DEBUG_PREFERRED || debug) { 5040 Slog.v(TAG, "Found persistent preferred activity:"); 5041 if (ai != null) { 5042 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5043 } else { 5044 Slog.v(TAG, " null"); 5045 } 5046 } 5047 if (ai == null) { 5048 // This previously registered persistent preferred activity 5049 // component is no longer known. Ignore it and do NOT remove it. 5050 continue; 5051 } 5052 for (int j=0; j<N; j++) { 5053 final ResolveInfo ri = query.get(j); 5054 if (!ri.activityInfo.applicationInfo.packageName 5055 .equals(ai.applicationInfo.packageName)) { 5056 continue; 5057 } 5058 if (!ri.activityInfo.name.equals(ai.name)) { 5059 continue; 5060 } 5061 // Found a persistent preference that can handle the intent. 5062 if (DEBUG_PREFERRED || debug) { 5063 Slog.v(TAG, "Returning persistent preferred activity: " + 5064 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5065 } 5066 return ri; 5067 } 5068 } 5069 } 5070 return null; 5071 } 5072 5073 // TODO: handle preferred activities missing while user has amnesia 5074 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5075 List<ResolveInfo> query, int priority, boolean always, 5076 boolean removeMatches, boolean debug, int userId) { 5077 if (!sUserManager.exists(userId)) return null; 5078 flags = updateFlagsForResolve(flags, userId, intent); 5079 // writer 5080 synchronized (mPackages) { 5081 if (intent.getSelector() != null) { 5082 intent = intent.getSelector(); 5083 } 5084 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5085 5086 // Try to find a matching persistent preferred activity. 5087 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5088 debug, userId); 5089 5090 // If a persistent preferred activity matched, use it. 5091 if (pri != null) { 5092 return pri; 5093 } 5094 5095 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5096 // Get the list of preferred activities that handle the intent 5097 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5098 List<PreferredActivity> prefs = pir != null 5099 ? pir.queryIntent(intent, resolvedType, 5100 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5101 : null; 5102 if (prefs != null && prefs.size() > 0) { 5103 boolean changed = false; 5104 try { 5105 // First figure out how good the original match set is. 5106 // We will only allow preferred activities that came 5107 // from the same match quality. 5108 int match = 0; 5109 5110 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5111 5112 final int N = query.size(); 5113 for (int j=0; j<N; j++) { 5114 final ResolveInfo ri = query.get(j); 5115 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5116 + ": 0x" + Integer.toHexString(match)); 5117 if (ri.match > match) { 5118 match = ri.match; 5119 } 5120 } 5121 5122 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5123 + Integer.toHexString(match)); 5124 5125 match &= IntentFilter.MATCH_CATEGORY_MASK; 5126 final int M = prefs.size(); 5127 for (int i=0; i<M; i++) { 5128 final PreferredActivity pa = prefs.get(i); 5129 if (DEBUG_PREFERRED || debug) { 5130 Slog.v(TAG, "Checking PreferredActivity ds=" 5131 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5132 + "\n component=" + pa.mPref.mComponent); 5133 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5134 } 5135 if (pa.mPref.mMatch != match) { 5136 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5137 + Integer.toHexString(pa.mPref.mMatch)); 5138 continue; 5139 } 5140 // If it's not an "always" type preferred activity and that's what we're 5141 // looking for, skip it. 5142 if (always && !pa.mPref.mAlways) { 5143 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5144 continue; 5145 } 5146 final ActivityInfo ai = getActivityInfo( 5147 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5148 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5149 userId); 5150 if (DEBUG_PREFERRED || debug) { 5151 Slog.v(TAG, "Found preferred activity:"); 5152 if (ai != null) { 5153 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5154 } else { 5155 Slog.v(TAG, " null"); 5156 } 5157 } 5158 if (ai == null) { 5159 // This previously registered preferred activity 5160 // component is no longer known. Most likely an update 5161 // to the app was installed and in the new version this 5162 // component no longer exists. Clean it up by removing 5163 // it from the preferred activities list, and skip it. 5164 Slog.w(TAG, "Removing dangling preferred activity: " 5165 + pa.mPref.mComponent); 5166 pir.removeFilter(pa); 5167 changed = true; 5168 continue; 5169 } 5170 for (int j=0; j<N; j++) { 5171 final ResolveInfo ri = query.get(j); 5172 if (!ri.activityInfo.applicationInfo.packageName 5173 .equals(ai.applicationInfo.packageName)) { 5174 continue; 5175 } 5176 if (!ri.activityInfo.name.equals(ai.name)) { 5177 continue; 5178 } 5179 5180 if (removeMatches) { 5181 pir.removeFilter(pa); 5182 changed = true; 5183 if (DEBUG_PREFERRED) { 5184 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5185 } 5186 break; 5187 } 5188 5189 // Okay we found a previously set preferred or last chosen app. 5190 // If the result set is different from when this 5191 // was created, we need to clear it and re-ask the 5192 // user their preference, if we're looking for an "always" type entry. 5193 if (always && !pa.mPref.sameSet(query)) { 5194 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5195 + intent + " type " + resolvedType); 5196 if (DEBUG_PREFERRED) { 5197 Slog.v(TAG, "Removing preferred activity since set changed " 5198 + pa.mPref.mComponent); 5199 } 5200 pir.removeFilter(pa); 5201 // Re-add the filter as a "last chosen" entry (!always) 5202 PreferredActivity lastChosen = new PreferredActivity( 5203 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5204 pir.addFilter(lastChosen); 5205 changed = true; 5206 return null; 5207 } 5208 5209 // Yay! Either the set matched or we're looking for the last chosen 5210 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5211 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5212 return ri; 5213 } 5214 } 5215 } finally { 5216 if (changed) { 5217 if (DEBUG_PREFERRED) { 5218 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5219 } 5220 scheduleWritePackageRestrictionsLocked(userId); 5221 } 5222 } 5223 } 5224 } 5225 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5226 return null; 5227 } 5228 5229 /* 5230 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5231 */ 5232 @Override 5233 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5234 int targetUserId) { 5235 mContext.enforceCallingOrSelfPermission( 5236 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5237 List<CrossProfileIntentFilter> matches = 5238 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5239 if (matches != null) { 5240 int size = matches.size(); 5241 for (int i = 0; i < size; i++) { 5242 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5243 } 5244 } 5245 if (hasWebURI(intent)) { 5246 // cross-profile app linking works only towards the parent. 5247 final UserInfo parent = getProfileParent(sourceUserId); 5248 synchronized(mPackages) { 5249 int flags = updateFlagsForResolve(0, parent.id, intent); 5250 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5251 intent, resolvedType, flags, sourceUserId, parent.id); 5252 return xpDomainInfo != null; 5253 } 5254 } 5255 return false; 5256 } 5257 5258 private UserInfo getProfileParent(int userId) { 5259 final long identity = Binder.clearCallingIdentity(); 5260 try { 5261 return sUserManager.getProfileParent(userId); 5262 } finally { 5263 Binder.restoreCallingIdentity(identity); 5264 } 5265 } 5266 5267 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5268 String resolvedType, int userId) { 5269 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5270 if (resolver != null) { 5271 return resolver.queryIntent(intent, resolvedType, false, userId); 5272 } 5273 return null; 5274 } 5275 5276 @Override 5277 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5278 String resolvedType, int flags, int userId) { 5279 try { 5280 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5281 5282 return new ParceledListSlice<>( 5283 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5284 } finally { 5285 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5286 } 5287 } 5288 5289 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5290 String resolvedType, int flags, int userId) { 5291 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5292 flags = updateFlagsForResolve(flags, userId, intent); 5293 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5294 false /* requireFullPermission */, false /* checkShell */, 5295 "query intent activities"); 5296 ComponentName comp = intent.getComponent(); 5297 if (comp == null) { 5298 if (intent.getSelector() != null) { 5299 intent = intent.getSelector(); 5300 comp = intent.getComponent(); 5301 } 5302 } 5303 5304 if (comp != null) { 5305 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5306 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5307 if (ai != null) { 5308 final ResolveInfo ri = new ResolveInfo(); 5309 ri.activityInfo = ai; 5310 list.add(ri); 5311 } 5312 return list; 5313 } 5314 5315 // reader 5316 synchronized (mPackages) { 5317 final String pkgName = intent.getPackage(); 5318 if (pkgName == null) { 5319 List<CrossProfileIntentFilter> matchingFilters = 5320 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5321 // Check for results that need to skip the current profile. 5322 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5323 resolvedType, flags, userId); 5324 if (xpResolveInfo != null) { 5325 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5326 result.add(xpResolveInfo); 5327 return filterIfNotSystemUser(result, userId); 5328 } 5329 5330 // Check for results in the current profile. 5331 List<ResolveInfo> result = mActivities.queryIntent( 5332 intent, resolvedType, flags, userId); 5333 result = filterIfNotSystemUser(result, userId); 5334 5335 // Check for cross profile results. 5336 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5337 xpResolveInfo = queryCrossProfileIntents( 5338 matchingFilters, intent, resolvedType, flags, userId, 5339 hasNonNegativePriorityResult); 5340 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5341 boolean isVisibleToUser = filterIfNotSystemUser( 5342 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5343 if (isVisibleToUser) { 5344 result.add(xpResolveInfo); 5345 Collections.sort(result, mResolvePrioritySorter); 5346 } 5347 } 5348 if (hasWebURI(intent)) { 5349 CrossProfileDomainInfo xpDomainInfo = null; 5350 final UserInfo parent = getProfileParent(userId); 5351 if (parent != null) { 5352 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5353 flags, userId, parent.id); 5354 } 5355 if (xpDomainInfo != null) { 5356 if (xpResolveInfo != null) { 5357 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5358 // in the result. 5359 result.remove(xpResolveInfo); 5360 } 5361 if (result.size() == 0) { 5362 result.add(xpDomainInfo.resolveInfo); 5363 return result; 5364 } 5365 } else if (result.size() <= 1) { 5366 return result; 5367 } 5368 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5369 xpDomainInfo, userId); 5370 Collections.sort(result, mResolvePrioritySorter); 5371 } 5372 return result; 5373 } 5374 final PackageParser.Package pkg = mPackages.get(pkgName); 5375 if (pkg != null) { 5376 return filterIfNotSystemUser( 5377 mActivities.queryIntentForPackage( 5378 intent, resolvedType, flags, pkg.activities, userId), 5379 userId); 5380 } 5381 return new ArrayList<ResolveInfo>(); 5382 } 5383 } 5384 5385 private static class CrossProfileDomainInfo { 5386 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5387 ResolveInfo resolveInfo; 5388 /* Best domain verification status of the activities found in the other profile */ 5389 int bestDomainVerificationStatus; 5390 } 5391 5392 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5393 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5394 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5395 sourceUserId)) { 5396 return null; 5397 } 5398 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5399 resolvedType, flags, parentUserId); 5400 5401 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5402 return null; 5403 } 5404 CrossProfileDomainInfo result = null; 5405 int size = resultTargetUser.size(); 5406 for (int i = 0; i < size; i++) { 5407 ResolveInfo riTargetUser = resultTargetUser.get(i); 5408 // Intent filter verification is only for filters that specify a host. So don't return 5409 // those that handle all web uris. 5410 if (riTargetUser.handleAllWebDataURI) { 5411 continue; 5412 } 5413 String packageName = riTargetUser.activityInfo.packageName; 5414 PackageSetting ps = mSettings.mPackages.get(packageName); 5415 if (ps == null) { 5416 continue; 5417 } 5418 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5419 int status = (int)(verificationState >> 32); 5420 if (result == null) { 5421 result = new CrossProfileDomainInfo(); 5422 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5423 sourceUserId, parentUserId); 5424 result.bestDomainVerificationStatus = status; 5425 } else { 5426 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5427 result.bestDomainVerificationStatus); 5428 } 5429 } 5430 // Don't consider matches with status NEVER across profiles. 5431 if (result != null && result.bestDomainVerificationStatus 5432 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5433 return null; 5434 } 5435 return result; 5436 } 5437 5438 /** 5439 * Verification statuses are ordered from the worse to the best, except for 5440 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5441 */ 5442 private int bestDomainVerificationStatus(int status1, int status2) { 5443 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5444 return status2; 5445 } 5446 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5447 return status1; 5448 } 5449 return (int) MathUtils.max(status1, status2); 5450 } 5451 5452 private boolean isUserEnabled(int userId) { 5453 long callingId = Binder.clearCallingIdentity(); 5454 try { 5455 UserInfo userInfo = sUserManager.getUserInfo(userId); 5456 return userInfo != null && userInfo.isEnabled(); 5457 } finally { 5458 Binder.restoreCallingIdentity(callingId); 5459 } 5460 } 5461 5462 /** 5463 * Filter out activities with systemUserOnly flag set, when current user is not System. 5464 * 5465 * @return filtered list 5466 */ 5467 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5468 if (userId == UserHandle.USER_SYSTEM) { 5469 return resolveInfos; 5470 } 5471 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5472 ResolveInfo info = resolveInfos.get(i); 5473 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5474 resolveInfos.remove(i); 5475 } 5476 } 5477 return resolveInfos; 5478 } 5479 5480 /** 5481 * @param resolveInfos list of resolve infos in descending priority order 5482 * @return if the list contains a resolve info with non-negative priority 5483 */ 5484 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5485 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5486 } 5487 5488 private static boolean hasWebURI(Intent intent) { 5489 if (intent.getData() == null) { 5490 return false; 5491 } 5492 final String scheme = intent.getScheme(); 5493 if (TextUtils.isEmpty(scheme)) { 5494 return false; 5495 } 5496 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5497 } 5498 5499 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5500 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5501 int userId) { 5502 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5503 5504 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5505 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5506 candidates.size()); 5507 } 5508 5509 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5510 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5511 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5512 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5513 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5514 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5515 5516 synchronized (mPackages) { 5517 final int count = candidates.size(); 5518 // First, try to use linked apps. Partition the candidates into four lists: 5519 // one for the final results, one for the "do not use ever", one for "undefined status" 5520 // and finally one for "browser app type". 5521 for (int n=0; n<count; n++) { 5522 ResolveInfo info = candidates.get(n); 5523 String packageName = info.activityInfo.packageName; 5524 PackageSetting ps = mSettings.mPackages.get(packageName); 5525 if (ps != null) { 5526 // Add to the special match all list (Browser use case) 5527 if (info.handleAllWebDataURI) { 5528 matchAllList.add(info); 5529 continue; 5530 } 5531 // Try to get the status from User settings first 5532 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5533 int status = (int)(packedStatus >> 32); 5534 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5535 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5536 if (DEBUG_DOMAIN_VERIFICATION) { 5537 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5538 + " : linkgen=" + linkGeneration); 5539 } 5540 // Use link-enabled generation as preferredOrder, i.e. 5541 // prefer newly-enabled over earlier-enabled. 5542 info.preferredOrder = linkGeneration; 5543 alwaysList.add(info); 5544 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5545 if (DEBUG_DOMAIN_VERIFICATION) { 5546 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5547 } 5548 neverList.add(info); 5549 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5550 if (DEBUG_DOMAIN_VERIFICATION) { 5551 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5552 } 5553 alwaysAskList.add(info); 5554 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5555 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5556 if (DEBUG_DOMAIN_VERIFICATION) { 5557 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5558 } 5559 undefinedList.add(info); 5560 } 5561 } 5562 } 5563 5564 // We'll want to include browser possibilities in a few cases 5565 boolean includeBrowser = false; 5566 5567 // First try to add the "always" resolution(s) for the current user, if any 5568 if (alwaysList.size() > 0) { 5569 result.addAll(alwaysList); 5570 } else { 5571 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5572 result.addAll(undefinedList); 5573 // Maybe add one for the other profile. 5574 if (xpDomainInfo != null && ( 5575 xpDomainInfo.bestDomainVerificationStatus 5576 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5577 result.add(xpDomainInfo.resolveInfo); 5578 } 5579 includeBrowser = true; 5580 } 5581 5582 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5583 // If there were 'always' entries their preferred order has been set, so we also 5584 // back that off to make the alternatives equivalent 5585 if (alwaysAskList.size() > 0) { 5586 for (ResolveInfo i : result) { 5587 i.preferredOrder = 0; 5588 } 5589 result.addAll(alwaysAskList); 5590 includeBrowser = true; 5591 } 5592 5593 if (includeBrowser) { 5594 // Also add browsers (all of them or only the default one) 5595 if (DEBUG_DOMAIN_VERIFICATION) { 5596 Slog.v(TAG, " ...including browsers in candidate set"); 5597 } 5598 if ((matchFlags & MATCH_ALL) != 0) { 5599 result.addAll(matchAllList); 5600 } else { 5601 // Browser/generic handling case. If there's a default browser, go straight 5602 // to that (but only if there is no other higher-priority match). 5603 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5604 int maxMatchPrio = 0; 5605 ResolveInfo defaultBrowserMatch = null; 5606 final int numCandidates = matchAllList.size(); 5607 for (int n = 0; n < numCandidates; n++) { 5608 ResolveInfo info = matchAllList.get(n); 5609 // track the highest overall match priority... 5610 if (info.priority > maxMatchPrio) { 5611 maxMatchPrio = info.priority; 5612 } 5613 // ...and the highest-priority default browser match 5614 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5615 if (defaultBrowserMatch == null 5616 || (defaultBrowserMatch.priority < info.priority)) { 5617 if (debug) { 5618 Slog.v(TAG, "Considering default browser match " + info); 5619 } 5620 defaultBrowserMatch = info; 5621 } 5622 } 5623 } 5624 if (defaultBrowserMatch != null 5625 && defaultBrowserMatch.priority >= maxMatchPrio 5626 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5627 { 5628 if (debug) { 5629 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5630 } 5631 result.add(defaultBrowserMatch); 5632 } else { 5633 result.addAll(matchAllList); 5634 } 5635 } 5636 5637 // If there is nothing selected, add all candidates and remove the ones that the user 5638 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5639 if (result.size() == 0) { 5640 result.addAll(candidates); 5641 result.removeAll(neverList); 5642 } 5643 } 5644 } 5645 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5646 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5647 result.size()); 5648 for (ResolveInfo info : result) { 5649 Slog.v(TAG, " + " + info.activityInfo); 5650 } 5651 } 5652 return result; 5653 } 5654 5655 // Returns a packed value as a long: 5656 // 5657 // high 'int'-sized word: link status: undefined/ask/never/always. 5658 // low 'int'-sized word: relative priority among 'always' results. 5659 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5660 long result = ps.getDomainVerificationStatusForUser(userId); 5661 // if none available, get the master status 5662 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5663 if (ps.getIntentFilterVerificationInfo() != null) { 5664 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5665 } 5666 } 5667 return result; 5668 } 5669 5670 private ResolveInfo querySkipCurrentProfileIntents( 5671 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5672 int flags, int sourceUserId) { 5673 if (matchingFilters != null) { 5674 int size = matchingFilters.size(); 5675 for (int i = 0; i < size; i ++) { 5676 CrossProfileIntentFilter filter = matchingFilters.get(i); 5677 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5678 // Checking if there are activities in the target user that can handle the 5679 // intent. 5680 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5681 resolvedType, flags, sourceUserId); 5682 if (resolveInfo != null) { 5683 return resolveInfo; 5684 } 5685 } 5686 } 5687 } 5688 return null; 5689 } 5690 5691 // Return matching ResolveInfo in target user if any. 5692 private ResolveInfo queryCrossProfileIntents( 5693 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5694 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5695 if (matchingFilters != null) { 5696 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5697 // match the same intent. For performance reasons, it is better not to 5698 // run queryIntent twice for the same userId 5699 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5700 int size = matchingFilters.size(); 5701 for (int i = 0; i < size; i++) { 5702 CrossProfileIntentFilter filter = matchingFilters.get(i); 5703 int targetUserId = filter.getTargetUserId(); 5704 boolean skipCurrentProfile = 5705 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5706 boolean skipCurrentProfileIfNoMatchFound = 5707 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5708 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5709 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5710 // Checking if there are activities in the target user that can handle the 5711 // intent. 5712 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5713 resolvedType, flags, sourceUserId); 5714 if (resolveInfo != null) return resolveInfo; 5715 alreadyTriedUserIds.put(targetUserId, true); 5716 } 5717 } 5718 } 5719 return null; 5720 } 5721 5722 /** 5723 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5724 * will forward the intent to the filter's target user. 5725 * Otherwise, returns null. 5726 */ 5727 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5728 String resolvedType, int flags, int sourceUserId) { 5729 int targetUserId = filter.getTargetUserId(); 5730 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5731 resolvedType, flags, targetUserId); 5732 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5733 // If all the matches in the target profile are suspended, return null. 5734 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5735 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5736 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5737 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5738 targetUserId); 5739 } 5740 } 5741 } 5742 return null; 5743 } 5744 5745 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5746 int sourceUserId, int targetUserId) { 5747 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5748 long ident = Binder.clearCallingIdentity(); 5749 boolean targetIsProfile; 5750 try { 5751 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5752 } finally { 5753 Binder.restoreCallingIdentity(ident); 5754 } 5755 String className; 5756 if (targetIsProfile) { 5757 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5758 } else { 5759 className = FORWARD_INTENT_TO_PARENT; 5760 } 5761 ComponentName forwardingActivityComponentName = new ComponentName( 5762 mAndroidApplication.packageName, className); 5763 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5764 sourceUserId); 5765 if (!targetIsProfile) { 5766 forwardingActivityInfo.showUserIcon = targetUserId; 5767 forwardingResolveInfo.noResourceId = true; 5768 } 5769 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5770 forwardingResolveInfo.priority = 0; 5771 forwardingResolveInfo.preferredOrder = 0; 5772 forwardingResolveInfo.match = 0; 5773 forwardingResolveInfo.isDefault = true; 5774 forwardingResolveInfo.filter = filter; 5775 forwardingResolveInfo.targetUserId = targetUserId; 5776 return forwardingResolveInfo; 5777 } 5778 5779 @Override 5780 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5781 Intent[] specifics, String[] specificTypes, Intent intent, 5782 String resolvedType, int flags, int userId) { 5783 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5784 specificTypes, intent, resolvedType, flags, userId)); 5785 } 5786 5787 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5788 Intent[] specifics, String[] specificTypes, Intent intent, 5789 String resolvedType, int flags, int userId) { 5790 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5791 flags = updateFlagsForResolve(flags, userId, intent); 5792 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5793 false /* requireFullPermission */, false /* checkShell */, 5794 "query intent activity options"); 5795 final String resultsAction = intent.getAction(); 5796 5797 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5798 | PackageManager.GET_RESOLVED_FILTER, userId); 5799 5800 if (DEBUG_INTENT_MATCHING) { 5801 Log.v(TAG, "Query " + intent + ": " + results); 5802 } 5803 5804 int specificsPos = 0; 5805 int N; 5806 5807 // todo: note that the algorithm used here is O(N^2). This 5808 // isn't a problem in our current environment, but if we start running 5809 // into situations where we have more than 5 or 10 matches then this 5810 // should probably be changed to something smarter... 5811 5812 // First we go through and resolve each of the specific items 5813 // that were supplied, taking care of removing any corresponding 5814 // duplicate items in the generic resolve list. 5815 if (specifics != null) { 5816 for (int i=0; i<specifics.length; i++) { 5817 final Intent sintent = specifics[i]; 5818 if (sintent == null) { 5819 continue; 5820 } 5821 5822 if (DEBUG_INTENT_MATCHING) { 5823 Log.v(TAG, "Specific #" + i + ": " + sintent); 5824 } 5825 5826 String action = sintent.getAction(); 5827 if (resultsAction != null && resultsAction.equals(action)) { 5828 // If this action was explicitly requested, then don't 5829 // remove things that have it. 5830 action = null; 5831 } 5832 5833 ResolveInfo ri = null; 5834 ActivityInfo ai = null; 5835 5836 ComponentName comp = sintent.getComponent(); 5837 if (comp == null) { 5838 ri = resolveIntent( 5839 sintent, 5840 specificTypes != null ? specificTypes[i] : null, 5841 flags, userId); 5842 if (ri == null) { 5843 continue; 5844 } 5845 if (ri == mResolveInfo) { 5846 // ACK! Must do something better with this. 5847 } 5848 ai = ri.activityInfo; 5849 comp = new ComponentName(ai.applicationInfo.packageName, 5850 ai.name); 5851 } else { 5852 ai = getActivityInfo(comp, flags, userId); 5853 if (ai == null) { 5854 continue; 5855 } 5856 } 5857 5858 // Look for any generic query activities that are duplicates 5859 // of this specific one, and remove them from the results. 5860 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5861 N = results.size(); 5862 int j; 5863 for (j=specificsPos; j<N; j++) { 5864 ResolveInfo sri = results.get(j); 5865 if ((sri.activityInfo.name.equals(comp.getClassName()) 5866 && sri.activityInfo.applicationInfo.packageName.equals( 5867 comp.getPackageName())) 5868 || (action != null && sri.filter.matchAction(action))) { 5869 results.remove(j); 5870 if (DEBUG_INTENT_MATCHING) Log.v( 5871 TAG, "Removing duplicate item from " + j 5872 + " due to specific " + specificsPos); 5873 if (ri == null) { 5874 ri = sri; 5875 } 5876 j--; 5877 N--; 5878 } 5879 } 5880 5881 // Add this specific item to its proper place. 5882 if (ri == null) { 5883 ri = new ResolveInfo(); 5884 ri.activityInfo = ai; 5885 } 5886 results.add(specificsPos, ri); 5887 ri.specificIndex = i; 5888 specificsPos++; 5889 } 5890 } 5891 5892 // Now we go through the remaining generic results and remove any 5893 // duplicate actions that are found here. 5894 N = results.size(); 5895 for (int i=specificsPos; i<N-1; i++) { 5896 final ResolveInfo rii = results.get(i); 5897 if (rii.filter == null) { 5898 continue; 5899 } 5900 5901 // Iterate over all of the actions of this result's intent 5902 // filter... typically this should be just one. 5903 final Iterator<String> it = rii.filter.actionsIterator(); 5904 if (it == null) { 5905 continue; 5906 } 5907 while (it.hasNext()) { 5908 final String action = it.next(); 5909 if (resultsAction != null && resultsAction.equals(action)) { 5910 // If this action was explicitly requested, then don't 5911 // remove things that have it. 5912 continue; 5913 } 5914 for (int j=i+1; j<N; j++) { 5915 final ResolveInfo rij = results.get(j); 5916 if (rij.filter != null && rij.filter.hasAction(action)) { 5917 results.remove(j); 5918 if (DEBUG_INTENT_MATCHING) Log.v( 5919 TAG, "Removing duplicate item from " + j 5920 + " due to action " + action + " at " + i); 5921 j--; 5922 N--; 5923 } 5924 } 5925 } 5926 5927 // If the caller didn't request filter information, drop it now 5928 // so we don't have to marshall/unmarshall it. 5929 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5930 rii.filter = null; 5931 } 5932 } 5933 5934 // Filter out the caller activity if so requested. 5935 if (caller != null) { 5936 N = results.size(); 5937 for (int i=0; i<N; i++) { 5938 ActivityInfo ainfo = results.get(i).activityInfo; 5939 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5940 && caller.getClassName().equals(ainfo.name)) { 5941 results.remove(i); 5942 break; 5943 } 5944 } 5945 } 5946 5947 // If the caller didn't request filter information, 5948 // drop them now so we don't have to 5949 // marshall/unmarshall it. 5950 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5951 N = results.size(); 5952 for (int i=0; i<N; i++) { 5953 results.get(i).filter = null; 5954 } 5955 } 5956 5957 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5958 return results; 5959 } 5960 5961 @Override 5962 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5963 String resolvedType, int flags, int userId) { 5964 return new ParceledListSlice<>( 5965 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5966 } 5967 5968 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5969 String resolvedType, int flags, int userId) { 5970 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5971 flags = updateFlagsForResolve(flags, userId, intent); 5972 ComponentName comp = intent.getComponent(); 5973 if (comp == null) { 5974 if (intent.getSelector() != null) { 5975 intent = intent.getSelector(); 5976 comp = intent.getComponent(); 5977 } 5978 } 5979 if (comp != null) { 5980 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5981 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5982 if (ai != null) { 5983 ResolveInfo ri = new ResolveInfo(); 5984 ri.activityInfo = ai; 5985 list.add(ri); 5986 } 5987 return list; 5988 } 5989 5990 // reader 5991 synchronized (mPackages) { 5992 String pkgName = intent.getPackage(); 5993 if (pkgName == null) { 5994 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5995 } 5996 final PackageParser.Package pkg = mPackages.get(pkgName); 5997 if (pkg != null) { 5998 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5999 userId); 6000 } 6001 return Collections.emptyList(); 6002 } 6003 } 6004 6005 @Override 6006 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6007 if (!sUserManager.exists(userId)) return null; 6008 flags = updateFlagsForResolve(flags, userId, intent); 6009 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6010 if (query != null) { 6011 if (query.size() >= 1) { 6012 // If there is more than one service with the same priority, 6013 // just arbitrarily pick the first one. 6014 return query.get(0); 6015 } 6016 } 6017 return null; 6018 } 6019 6020 @Override 6021 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6022 String resolvedType, int flags, int userId) { 6023 return new ParceledListSlice<>( 6024 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6025 } 6026 6027 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6028 String resolvedType, int flags, int userId) { 6029 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6030 flags = updateFlagsForResolve(flags, userId, intent); 6031 ComponentName comp = intent.getComponent(); 6032 if (comp == null) { 6033 if (intent.getSelector() != null) { 6034 intent = intent.getSelector(); 6035 comp = intent.getComponent(); 6036 } 6037 } 6038 if (comp != null) { 6039 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6040 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6041 if (si != null) { 6042 final ResolveInfo ri = new ResolveInfo(); 6043 ri.serviceInfo = si; 6044 list.add(ri); 6045 } 6046 return list; 6047 } 6048 6049 // reader 6050 synchronized (mPackages) { 6051 String pkgName = intent.getPackage(); 6052 if (pkgName == null) { 6053 return mServices.queryIntent(intent, resolvedType, flags, userId); 6054 } 6055 final PackageParser.Package pkg = mPackages.get(pkgName); 6056 if (pkg != null) { 6057 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6058 userId); 6059 } 6060 return Collections.emptyList(); 6061 } 6062 } 6063 6064 @Override 6065 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6066 String resolvedType, int flags, int userId) { 6067 return new ParceledListSlice<>( 6068 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6069 } 6070 6071 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6072 Intent intent, String resolvedType, int flags, int userId) { 6073 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6074 flags = updateFlagsForResolve(flags, userId, intent); 6075 ComponentName comp = intent.getComponent(); 6076 if (comp == null) { 6077 if (intent.getSelector() != null) { 6078 intent = intent.getSelector(); 6079 comp = intent.getComponent(); 6080 } 6081 } 6082 if (comp != null) { 6083 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6084 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6085 if (pi != null) { 6086 final ResolveInfo ri = new ResolveInfo(); 6087 ri.providerInfo = pi; 6088 list.add(ri); 6089 } 6090 return list; 6091 } 6092 6093 // reader 6094 synchronized (mPackages) { 6095 String pkgName = intent.getPackage(); 6096 if (pkgName == null) { 6097 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6098 } 6099 final PackageParser.Package pkg = mPackages.get(pkgName); 6100 if (pkg != null) { 6101 return mProviders.queryIntentForPackage( 6102 intent, resolvedType, flags, pkg.providers, userId); 6103 } 6104 return Collections.emptyList(); 6105 } 6106 } 6107 6108 @Override 6109 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6110 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6111 flags = updateFlagsForPackage(flags, userId, null); 6112 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6113 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6114 true /* requireFullPermission */, false /* checkShell */, 6115 "get installed packages"); 6116 6117 // writer 6118 synchronized (mPackages) { 6119 ArrayList<PackageInfo> list; 6120 if (listUninstalled) { 6121 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6122 for (PackageSetting ps : mSettings.mPackages.values()) { 6123 final PackageInfo pi; 6124 if (ps.pkg != null) { 6125 pi = generatePackageInfo(ps, flags, userId); 6126 } else { 6127 pi = generatePackageInfo(ps, flags, userId); 6128 } 6129 if (pi != null) { 6130 list.add(pi); 6131 } 6132 } 6133 } else { 6134 list = new ArrayList<PackageInfo>(mPackages.size()); 6135 for (PackageParser.Package p : mPackages.values()) { 6136 final PackageInfo pi = 6137 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6138 if (pi != null) { 6139 list.add(pi); 6140 } 6141 } 6142 } 6143 6144 return new ParceledListSlice<PackageInfo>(list); 6145 } 6146 } 6147 6148 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6149 String[] permissions, boolean[] tmp, int flags, int userId) { 6150 int numMatch = 0; 6151 final PermissionsState permissionsState = ps.getPermissionsState(); 6152 for (int i=0; i<permissions.length; i++) { 6153 final String permission = permissions[i]; 6154 if (permissionsState.hasPermission(permission, userId)) { 6155 tmp[i] = true; 6156 numMatch++; 6157 } else { 6158 tmp[i] = false; 6159 } 6160 } 6161 if (numMatch == 0) { 6162 return; 6163 } 6164 final PackageInfo pi; 6165 if (ps.pkg != null) { 6166 pi = generatePackageInfo(ps, flags, userId); 6167 } else { 6168 pi = generatePackageInfo(ps, flags, userId); 6169 } 6170 // The above might return null in cases of uninstalled apps or install-state 6171 // skew across users/profiles. 6172 if (pi != null) { 6173 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6174 if (numMatch == permissions.length) { 6175 pi.requestedPermissions = permissions; 6176 } else { 6177 pi.requestedPermissions = new String[numMatch]; 6178 numMatch = 0; 6179 for (int i=0; i<permissions.length; i++) { 6180 if (tmp[i]) { 6181 pi.requestedPermissions[numMatch] = permissions[i]; 6182 numMatch++; 6183 } 6184 } 6185 } 6186 } 6187 list.add(pi); 6188 } 6189 } 6190 6191 @Override 6192 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6193 String[] permissions, int flags, int userId) { 6194 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6195 flags = updateFlagsForPackage(flags, userId, permissions); 6196 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6197 6198 // writer 6199 synchronized (mPackages) { 6200 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6201 boolean[] tmpBools = new boolean[permissions.length]; 6202 if (listUninstalled) { 6203 for (PackageSetting ps : mSettings.mPackages.values()) { 6204 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6205 } 6206 } else { 6207 for (PackageParser.Package pkg : mPackages.values()) { 6208 PackageSetting ps = (PackageSetting)pkg.mExtras; 6209 if (ps != null) { 6210 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6211 userId); 6212 } 6213 } 6214 } 6215 6216 return new ParceledListSlice<PackageInfo>(list); 6217 } 6218 } 6219 6220 @Override 6221 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6222 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6223 flags = updateFlagsForApplication(flags, userId, null); 6224 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6225 6226 // writer 6227 synchronized (mPackages) { 6228 ArrayList<ApplicationInfo> list; 6229 if (listUninstalled) { 6230 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6231 for (PackageSetting ps : mSettings.mPackages.values()) { 6232 ApplicationInfo ai; 6233 if (ps.pkg != null) { 6234 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6235 ps.readUserState(userId), userId); 6236 } else { 6237 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6238 } 6239 if (ai != null) { 6240 list.add(ai); 6241 } 6242 } 6243 } else { 6244 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6245 for (PackageParser.Package p : mPackages.values()) { 6246 if (p.mExtras != null) { 6247 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6248 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6249 if (ai != null) { 6250 list.add(ai); 6251 } 6252 } 6253 } 6254 } 6255 6256 return new ParceledListSlice<ApplicationInfo>(list); 6257 } 6258 } 6259 6260 @Override 6261 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6262 if (DISABLE_EPHEMERAL_APPS) { 6263 return null; 6264 } 6265 6266 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6267 "getEphemeralApplications"); 6268 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6269 true /* requireFullPermission */, false /* checkShell */, 6270 "getEphemeralApplications"); 6271 synchronized (mPackages) { 6272 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6273 .getEphemeralApplicationsLPw(userId); 6274 if (ephemeralApps != null) { 6275 return new ParceledListSlice<>(ephemeralApps); 6276 } 6277 } 6278 return null; 6279 } 6280 6281 @Override 6282 public boolean isEphemeralApplication(String packageName, int userId) { 6283 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6284 true /* requireFullPermission */, false /* checkShell */, 6285 "isEphemeral"); 6286 if (DISABLE_EPHEMERAL_APPS) { 6287 return false; 6288 } 6289 6290 if (!isCallerSameApp(packageName)) { 6291 return false; 6292 } 6293 synchronized (mPackages) { 6294 PackageParser.Package pkg = mPackages.get(packageName); 6295 if (pkg != null) { 6296 return pkg.applicationInfo.isEphemeralApp(); 6297 } 6298 } 6299 return false; 6300 } 6301 6302 @Override 6303 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6304 if (DISABLE_EPHEMERAL_APPS) { 6305 return null; 6306 } 6307 6308 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6309 true /* requireFullPermission */, false /* checkShell */, 6310 "getCookie"); 6311 if (!isCallerSameApp(packageName)) { 6312 return null; 6313 } 6314 synchronized (mPackages) { 6315 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6316 packageName, userId); 6317 } 6318 } 6319 6320 @Override 6321 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6322 if (DISABLE_EPHEMERAL_APPS) { 6323 return true; 6324 } 6325 6326 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6327 true /* requireFullPermission */, true /* checkShell */, 6328 "setCookie"); 6329 if (!isCallerSameApp(packageName)) { 6330 return false; 6331 } 6332 synchronized (mPackages) { 6333 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6334 packageName, cookie, userId); 6335 } 6336 } 6337 6338 @Override 6339 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6340 if (DISABLE_EPHEMERAL_APPS) { 6341 return null; 6342 } 6343 6344 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6345 "getEphemeralApplicationIcon"); 6346 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6347 true /* requireFullPermission */, false /* checkShell */, 6348 "getEphemeralApplicationIcon"); 6349 synchronized (mPackages) { 6350 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6351 packageName, userId); 6352 } 6353 } 6354 6355 private boolean isCallerSameApp(String packageName) { 6356 PackageParser.Package pkg = mPackages.get(packageName); 6357 return pkg != null 6358 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6359 } 6360 6361 @Override 6362 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6363 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6364 } 6365 6366 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6367 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6368 6369 // reader 6370 synchronized (mPackages) { 6371 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6372 final int userId = UserHandle.getCallingUserId(); 6373 while (i.hasNext()) { 6374 final PackageParser.Package p = i.next(); 6375 if (p.applicationInfo == null) continue; 6376 6377 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6378 && !p.applicationInfo.isDirectBootAware(); 6379 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6380 && p.applicationInfo.isDirectBootAware(); 6381 6382 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6383 && (!mSafeMode || isSystemApp(p)) 6384 && (matchesUnaware || matchesAware)) { 6385 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6386 if (ps != null) { 6387 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6388 ps.readUserState(userId), userId); 6389 if (ai != null) { 6390 finalList.add(ai); 6391 } 6392 } 6393 } 6394 } 6395 } 6396 6397 return finalList; 6398 } 6399 6400 @Override 6401 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6402 if (!sUserManager.exists(userId)) return null; 6403 flags = updateFlagsForComponent(flags, userId, name); 6404 // reader 6405 synchronized (mPackages) { 6406 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6407 PackageSetting ps = provider != null 6408 ? mSettings.mPackages.get(provider.owner.packageName) 6409 : null; 6410 return ps != null 6411 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6412 ? PackageParser.generateProviderInfo(provider, flags, 6413 ps.readUserState(userId), userId) 6414 : null; 6415 } 6416 } 6417 6418 /** 6419 * @deprecated 6420 */ 6421 @Deprecated 6422 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6423 // reader 6424 synchronized (mPackages) { 6425 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6426 .entrySet().iterator(); 6427 final int userId = UserHandle.getCallingUserId(); 6428 while (i.hasNext()) { 6429 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6430 PackageParser.Provider p = entry.getValue(); 6431 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6432 6433 if (ps != null && p.syncable 6434 && (!mSafeMode || (p.info.applicationInfo.flags 6435 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6436 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6437 ps.readUserState(userId), userId); 6438 if (info != null) { 6439 outNames.add(entry.getKey()); 6440 outInfo.add(info); 6441 } 6442 } 6443 } 6444 } 6445 } 6446 6447 @Override 6448 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6449 int uid, int flags) { 6450 final int userId = processName != null ? UserHandle.getUserId(uid) 6451 : UserHandle.getCallingUserId(); 6452 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6453 flags = updateFlagsForComponent(flags, userId, processName); 6454 6455 ArrayList<ProviderInfo> finalList = null; 6456 // reader 6457 synchronized (mPackages) { 6458 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6459 while (i.hasNext()) { 6460 final PackageParser.Provider p = i.next(); 6461 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6462 if (ps != null && p.info.authority != null 6463 && (processName == null 6464 || (p.info.processName.equals(processName) 6465 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6466 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6467 if (finalList == null) { 6468 finalList = new ArrayList<ProviderInfo>(3); 6469 } 6470 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6471 ps.readUserState(userId), userId); 6472 if (info != null) { 6473 finalList.add(info); 6474 } 6475 } 6476 } 6477 } 6478 6479 if (finalList != null) { 6480 Collections.sort(finalList, mProviderInitOrderSorter); 6481 return new ParceledListSlice<ProviderInfo>(finalList); 6482 } 6483 6484 return ParceledListSlice.emptyList(); 6485 } 6486 6487 @Override 6488 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6489 // reader 6490 synchronized (mPackages) { 6491 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6492 return PackageParser.generateInstrumentationInfo(i, flags); 6493 } 6494 } 6495 6496 @Override 6497 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6498 String targetPackage, int flags) { 6499 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6500 } 6501 6502 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6503 int flags) { 6504 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6505 6506 // reader 6507 synchronized (mPackages) { 6508 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6509 while (i.hasNext()) { 6510 final PackageParser.Instrumentation p = i.next(); 6511 if (targetPackage == null 6512 || targetPackage.equals(p.info.targetPackage)) { 6513 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6514 flags); 6515 if (ii != null) { 6516 finalList.add(ii); 6517 } 6518 } 6519 } 6520 } 6521 6522 return finalList; 6523 } 6524 6525 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6526 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6527 if (overlays == null) { 6528 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6529 return; 6530 } 6531 for (PackageParser.Package opkg : overlays.values()) { 6532 // Not much to do if idmap fails: we already logged the error 6533 // and we certainly don't want to abort installation of pkg simply 6534 // because an overlay didn't fit properly. For these reasons, 6535 // ignore the return value of createIdmapForPackagePairLI. 6536 createIdmapForPackagePairLI(pkg, opkg); 6537 } 6538 } 6539 6540 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6541 PackageParser.Package opkg) { 6542 if (!opkg.mTrustedOverlay) { 6543 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6544 opkg.baseCodePath + ": overlay not trusted"); 6545 return false; 6546 } 6547 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6548 if (overlaySet == null) { 6549 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6550 opkg.baseCodePath + " but target package has no known overlays"); 6551 return false; 6552 } 6553 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6554 // TODO: generate idmap for split APKs 6555 try { 6556 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6557 } catch (InstallerException e) { 6558 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6559 + opkg.baseCodePath); 6560 return false; 6561 } 6562 PackageParser.Package[] overlayArray = 6563 overlaySet.values().toArray(new PackageParser.Package[0]); 6564 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6565 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6566 return p1.mOverlayPriority - p2.mOverlayPriority; 6567 } 6568 }; 6569 Arrays.sort(overlayArray, cmp); 6570 6571 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6572 int i = 0; 6573 for (PackageParser.Package p : overlayArray) { 6574 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6575 } 6576 return true; 6577 } 6578 6579 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6580 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6581 try { 6582 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6583 } finally { 6584 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6585 } 6586 } 6587 6588 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6589 final File[] files = dir.listFiles(); 6590 if (ArrayUtils.isEmpty(files)) { 6591 Log.d(TAG, "No files in app dir " + dir); 6592 return; 6593 } 6594 6595 if (DEBUG_PACKAGE_SCANNING) { 6596 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6597 + " flags=0x" + Integer.toHexString(parseFlags)); 6598 } 6599 6600 for (File file : files) { 6601 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6602 && !PackageInstallerService.isStageName(file.getName()); 6603 if (!isPackage) { 6604 // Ignore entries which are not packages 6605 continue; 6606 } 6607 try { 6608 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6609 scanFlags, currentTime, null); 6610 } catch (PackageManagerException e) { 6611 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6612 6613 // Delete invalid userdata apps 6614 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6615 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6616 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6617 removeCodePathLI(file); 6618 } 6619 } 6620 } 6621 } 6622 6623 private static File getSettingsProblemFile() { 6624 File dataDir = Environment.getDataDirectory(); 6625 File systemDir = new File(dataDir, "system"); 6626 File fname = new File(systemDir, "uiderrors.txt"); 6627 return fname; 6628 } 6629 6630 static void reportSettingsProblem(int priority, String msg) { 6631 logCriticalInfo(priority, msg); 6632 } 6633 6634 static void logCriticalInfo(int priority, String msg) { 6635 Slog.println(priority, TAG, msg); 6636 EventLogTags.writePmCriticalInfo(msg); 6637 try { 6638 File fname = getSettingsProblemFile(); 6639 FileOutputStream out = new FileOutputStream(fname, true); 6640 PrintWriter pw = new FastPrintWriter(out); 6641 SimpleDateFormat formatter = new SimpleDateFormat(); 6642 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6643 pw.println(dateString + ": " + msg); 6644 pw.close(); 6645 FileUtils.setPermissions( 6646 fname.toString(), 6647 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6648 -1, -1); 6649 } catch (java.io.IOException e) { 6650 } 6651 } 6652 6653 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6654 final int policyFlags) throws PackageManagerException { 6655 if (ps != null 6656 && ps.codePath.equals(srcFile) 6657 && ps.timeStamp == srcFile.lastModified() 6658 && !isCompatSignatureUpdateNeeded(pkg) 6659 && !isRecoverSignatureUpdateNeeded(pkg)) { 6660 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6661 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6662 ArraySet<PublicKey> signingKs; 6663 synchronized (mPackages) { 6664 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6665 } 6666 if (ps.signatures.mSignatures != null 6667 && ps.signatures.mSignatures.length != 0 6668 && signingKs != null) { 6669 // Optimization: reuse the existing cached certificates 6670 // if the package appears to be unchanged. 6671 pkg.mSignatures = ps.signatures.mSignatures; 6672 pkg.mSigningKeys = signingKs; 6673 return; 6674 } 6675 6676 Slog.w(TAG, "PackageSetting for " + ps.name 6677 + " is missing signatures. Collecting certs again to recover them."); 6678 } else { 6679 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6680 } 6681 6682 try { 6683 PackageParser.collectCertificates(pkg, policyFlags); 6684 } catch (PackageParserException e) { 6685 throw PackageManagerException.from(e); 6686 } 6687 } 6688 6689 /** 6690 * Traces a package scan. 6691 * @see #scanPackageLI(File, int, int, long, UserHandle) 6692 */ 6693 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6694 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6695 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6696 try { 6697 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6698 } finally { 6699 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6700 } 6701 } 6702 6703 /** 6704 * Scans a package and returns the newly parsed package. 6705 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6706 */ 6707 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6708 long currentTime, UserHandle user) throws PackageManagerException { 6709 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6710 PackageParser pp = new PackageParser(); 6711 pp.setSeparateProcesses(mSeparateProcesses); 6712 pp.setOnlyCoreApps(mOnlyCore); 6713 pp.setDisplayMetrics(mMetrics); 6714 6715 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6716 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6717 } 6718 6719 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6720 final PackageParser.Package pkg; 6721 try { 6722 pkg = pp.parsePackage(scanFile, parseFlags); 6723 } catch (PackageParserException e) { 6724 throw PackageManagerException.from(e); 6725 } finally { 6726 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6727 } 6728 6729 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6730 } 6731 6732 /** 6733 * Scans a package and returns the newly parsed package. 6734 * @throws PackageManagerException on a parse error. 6735 */ 6736 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6737 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6738 throws PackageManagerException { 6739 // If the package has children and this is the first dive in the function 6740 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6741 // packages (parent and children) would be successfully scanned before the 6742 // actual scan since scanning mutates internal state and we want to atomically 6743 // install the package and its children. 6744 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6745 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6746 scanFlags |= SCAN_CHECK_ONLY; 6747 } 6748 } else { 6749 scanFlags &= ~SCAN_CHECK_ONLY; 6750 } 6751 6752 // Scan the parent 6753 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6754 scanFlags, currentTime, user); 6755 6756 // Scan the children 6757 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6758 for (int i = 0; i < childCount; i++) { 6759 PackageParser.Package childPackage = pkg.childPackages.get(i); 6760 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6761 currentTime, user); 6762 } 6763 6764 6765 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6766 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6767 } 6768 6769 return scannedPkg; 6770 } 6771 6772 /** 6773 * Scans a package and returns the newly parsed package. 6774 * @throws PackageManagerException on a parse error. 6775 */ 6776 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6777 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6778 throws PackageManagerException { 6779 PackageSetting ps = null; 6780 PackageSetting updatedPkg; 6781 // reader 6782 synchronized (mPackages) { 6783 // Look to see if we already know about this package. 6784 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6785 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6786 // This package has been renamed to its original name. Let's 6787 // use that. 6788 ps = mSettings.peekPackageLPr(oldName); 6789 } 6790 // If there was no original package, see one for the real package name. 6791 if (ps == null) { 6792 ps = mSettings.peekPackageLPr(pkg.packageName); 6793 } 6794 // Check to see if this package could be hiding/updating a system 6795 // package. Must look for it either under the original or real 6796 // package name depending on our state. 6797 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6798 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6799 6800 // If this is a package we don't know about on the system partition, we 6801 // may need to remove disabled child packages on the system partition 6802 // or may need to not add child packages if the parent apk is updated 6803 // on the data partition and no longer defines this child package. 6804 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6805 // If this is a parent package for an updated system app and this system 6806 // app got an OTA update which no longer defines some of the child packages 6807 // we have to prune them from the disabled system packages. 6808 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6809 if (disabledPs != null) { 6810 final int scannedChildCount = (pkg.childPackages != null) 6811 ? pkg.childPackages.size() : 0; 6812 final int disabledChildCount = disabledPs.childPackageNames != null 6813 ? disabledPs.childPackageNames.size() : 0; 6814 for (int i = 0; i < disabledChildCount; i++) { 6815 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6816 boolean disabledPackageAvailable = false; 6817 for (int j = 0; j < scannedChildCount; j++) { 6818 PackageParser.Package childPkg = pkg.childPackages.get(j); 6819 if (childPkg.packageName.equals(disabledChildPackageName)) { 6820 disabledPackageAvailable = true; 6821 break; 6822 } 6823 } 6824 if (!disabledPackageAvailable) { 6825 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6826 } 6827 } 6828 } 6829 } 6830 } 6831 6832 boolean updatedPkgBetter = false; 6833 // First check if this is a system package that may involve an update 6834 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6835 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6836 // it needs to drop FLAG_PRIVILEGED. 6837 if (locationIsPrivileged(scanFile)) { 6838 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6839 } else { 6840 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6841 } 6842 6843 if (ps != null && !ps.codePath.equals(scanFile)) { 6844 // The path has changed from what was last scanned... check the 6845 // version of the new path against what we have stored to determine 6846 // what to do. 6847 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6848 if (pkg.mVersionCode <= ps.versionCode) { 6849 // The system package has been updated and the code path does not match 6850 // Ignore entry. Skip it. 6851 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6852 + " ignored: updated version " + ps.versionCode 6853 + " better than this " + pkg.mVersionCode); 6854 if (!updatedPkg.codePath.equals(scanFile)) { 6855 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6856 + ps.name + " changing from " + updatedPkg.codePathString 6857 + " to " + scanFile); 6858 updatedPkg.codePath = scanFile; 6859 updatedPkg.codePathString = scanFile.toString(); 6860 updatedPkg.resourcePath = scanFile; 6861 updatedPkg.resourcePathString = scanFile.toString(); 6862 } 6863 updatedPkg.pkg = pkg; 6864 updatedPkg.versionCode = pkg.mVersionCode; 6865 6866 // Update the disabled system child packages to point to the package too. 6867 final int childCount = updatedPkg.childPackageNames != null 6868 ? updatedPkg.childPackageNames.size() : 0; 6869 for (int i = 0; i < childCount; i++) { 6870 String childPackageName = updatedPkg.childPackageNames.get(i); 6871 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6872 childPackageName); 6873 if (updatedChildPkg != null) { 6874 updatedChildPkg.pkg = pkg; 6875 updatedChildPkg.versionCode = pkg.mVersionCode; 6876 } 6877 } 6878 6879 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6880 + scanFile + " ignored: updated version " + ps.versionCode 6881 + " better than this " + pkg.mVersionCode); 6882 } else { 6883 // The current app on the system partition is better than 6884 // what we have updated to on the data partition; switch 6885 // back to the system partition version. 6886 // At this point, its safely assumed that package installation for 6887 // apps in system partition will go through. If not there won't be a working 6888 // version of the app 6889 // writer 6890 synchronized (mPackages) { 6891 // Just remove the loaded entries from package lists. 6892 mPackages.remove(ps.name); 6893 } 6894 6895 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6896 + " reverting from " + ps.codePathString 6897 + ": new version " + pkg.mVersionCode 6898 + " better than installed " + ps.versionCode); 6899 6900 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6901 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6902 synchronized (mInstallLock) { 6903 args.cleanUpResourcesLI(); 6904 } 6905 synchronized (mPackages) { 6906 mSettings.enableSystemPackageLPw(ps.name); 6907 } 6908 updatedPkgBetter = true; 6909 } 6910 } 6911 } 6912 6913 if (updatedPkg != null) { 6914 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6915 // initially 6916 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6917 6918 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6919 // flag set initially 6920 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6921 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6922 } 6923 } 6924 6925 // Verify certificates against what was last scanned 6926 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6927 6928 /* 6929 * A new system app appeared, but we already had a non-system one of the 6930 * same name installed earlier. 6931 */ 6932 boolean shouldHideSystemApp = false; 6933 if (updatedPkg == null && ps != null 6934 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6935 /* 6936 * Check to make sure the signatures match first. If they don't, 6937 * wipe the installed application and its data. 6938 */ 6939 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6940 != PackageManager.SIGNATURE_MATCH) { 6941 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6942 + " signatures don't match existing userdata copy; removing"); 6943 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6944 "scanPackageInternalLI")) { 6945 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6946 } 6947 ps = null; 6948 } else { 6949 /* 6950 * If the newly-added system app is an older version than the 6951 * already installed version, hide it. It will be scanned later 6952 * and re-added like an update. 6953 */ 6954 if (pkg.mVersionCode <= ps.versionCode) { 6955 shouldHideSystemApp = true; 6956 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6957 + " but new version " + pkg.mVersionCode + " better than installed " 6958 + ps.versionCode + "; hiding system"); 6959 } else { 6960 /* 6961 * The newly found system app is a newer version that the 6962 * one previously installed. Simply remove the 6963 * already-installed application and replace it with our own 6964 * while keeping the application data. 6965 */ 6966 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6967 + " reverting from " + ps.codePathString + ": new version " 6968 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6969 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6970 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6971 synchronized (mInstallLock) { 6972 args.cleanUpResourcesLI(); 6973 } 6974 } 6975 } 6976 } 6977 6978 // The apk is forward locked (not public) if its code and resources 6979 // are kept in different files. (except for app in either system or 6980 // vendor path). 6981 // TODO grab this value from PackageSettings 6982 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6983 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6984 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6985 } 6986 } 6987 6988 // TODO: extend to support forward-locked splits 6989 String resourcePath = null; 6990 String baseResourcePath = null; 6991 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6992 if (ps != null && ps.resourcePathString != null) { 6993 resourcePath = ps.resourcePathString; 6994 baseResourcePath = ps.resourcePathString; 6995 } else { 6996 // Should not happen at all. Just log an error. 6997 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6998 } 6999 } else { 7000 resourcePath = pkg.codePath; 7001 baseResourcePath = pkg.baseCodePath; 7002 } 7003 7004 // Set application objects path explicitly. 7005 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7006 pkg.setApplicationInfoCodePath(pkg.codePath); 7007 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7008 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7009 pkg.setApplicationInfoResourcePath(resourcePath); 7010 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7011 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7012 7013 // Note that we invoke the following method only if we are about to unpack an application 7014 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7015 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7016 7017 /* 7018 * If the system app should be overridden by a previously installed 7019 * data, hide the system app now and let the /data/app scan pick it up 7020 * again. 7021 */ 7022 if (shouldHideSystemApp) { 7023 synchronized (mPackages) { 7024 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7025 } 7026 } 7027 7028 return scannedPkg; 7029 } 7030 7031 private static String fixProcessName(String defProcessName, 7032 String processName, int uid) { 7033 if (processName == null) { 7034 return defProcessName; 7035 } 7036 return processName; 7037 } 7038 7039 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7040 throws PackageManagerException { 7041 if (pkgSetting.signatures.mSignatures != null) { 7042 // Already existing package. Make sure signatures match 7043 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7044 == PackageManager.SIGNATURE_MATCH; 7045 if (!match) { 7046 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7047 == PackageManager.SIGNATURE_MATCH; 7048 } 7049 if (!match) { 7050 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7051 == PackageManager.SIGNATURE_MATCH; 7052 } 7053 if (!match) { 7054 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7055 + pkg.packageName + " signatures do not match the " 7056 + "previously installed version; ignoring!"); 7057 } 7058 } 7059 7060 // Check for shared user signatures 7061 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7062 // Already existing package. Make sure signatures match 7063 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7064 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7065 if (!match) { 7066 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7067 == PackageManager.SIGNATURE_MATCH; 7068 } 7069 if (!match) { 7070 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7071 == PackageManager.SIGNATURE_MATCH; 7072 } 7073 if (!match) { 7074 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7075 "Package " + pkg.packageName 7076 + " has no signatures that match those in shared user " 7077 + pkgSetting.sharedUser.name + "; ignoring!"); 7078 } 7079 } 7080 } 7081 7082 /** 7083 * Enforces that only the system UID or root's UID can call a method exposed 7084 * via Binder. 7085 * 7086 * @param message used as message if SecurityException is thrown 7087 * @throws SecurityException if the caller is not system or root 7088 */ 7089 private static final void enforceSystemOrRoot(String message) { 7090 final int uid = Binder.getCallingUid(); 7091 if (uid != Process.SYSTEM_UID && uid != 0) { 7092 throw new SecurityException(message); 7093 } 7094 } 7095 7096 @Override 7097 public void performFstrimIfNeeded() { 7098 enforceSystemOrRoot("Only the system can request fstrim"); 7099 7100 // Before everything else, see whether we need to fstrim. 7101 try { 7102 IMountService ms = PackageHelper.getMountService(); 7103 if (ms != null) { 7104 final boolean isUpgrade = isUpgrade(); 7105 boolean doTrim = isUpgrade; 7106 if (doTrim) { 7107 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7108 } else { 7109 final long interval = android.provider.Settings.Global.getLong( 7110 mContext.getContentResolver(), 7111 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7112 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7113 if (interval > 0) { 7114 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7115 if (timeSinceLast > interval) { 7116 doTrim = true; 7117 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7118 + "; running immediately"); 7119 } 7120 } 7121 } 7122 if (doTrim) { 7123 if (!isFirstBoot()) { 7124 try { 7125 ActivityManagerNative.getDefault().showBootMessage( 7126 mContext.getResources().getString( 7127 R.string.android_upgrading_fstrim), true); 7128 } catch (RemoteException e) { 7129 } 7130 } 7131 ms.runMaintenance(); 7132 } 7133 } else { 7134 Slog.e(TAG, "Mount service unavailable!"); 7135 } 7136 } catch (RemoteException e) { 7137 // Can't happen; MountService is local 7138 } 7139 } 7140 7141 @Override 7142 public void updatePackagesIfNeeded() { 7143 enforceSystemOrRoot("Only the system can request package update"); 7144 7145 // We need to re-extract after an OTA. 7146 boolean causeUpgrade = isUpgrade(); 7147 7148 // First boot or factory reset. 7149 // Note: we also handle devices that are upgrading to N right now as if it is their 7150 // first boot, as they do not have profile data. 7151 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7152 7153 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7154 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7155 7156 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7157 return; 7158 } 7159 7160 List<PackageParser.Package> pkgs; 7161 synchronized (mPackages) { 7162 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7163 } 7164 7165 int curr = 0; 7166 int total = pkgs.size(); 7167 for (PackageParser.Package pkg : pkgs) { 7168 curr++; 7169 7170 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7171 if (DEBUG_DEXOPT) { 7172 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7173 } 7174 continue; 7175 } 7176 7177 if (DEBUG_DEXOPT) { 7178 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7179 } 7180 7181 if (!isFirstBoot()) { 7182 try { 7183 ActivityManagerNative.getDefault().showBootMessage( 7184 mContext.getResources().getString(R.string.android_upgrading_apk, 7185 curr, total), true); 7186 } catch (RemoteException e) { 7187 } 7188 } 7189 7190 performDexOpt(pkg.packageName, 7191 null /* instructionSet */, 7192 true /* checkProfiles */, 7193 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7194 false /* force */); 7195 } 7196 } 7197 7198 @Override 7199 public void notifyPackageUse(String packageName, int reason) { 7200 synchronized (mPackages) { 7201 PackageParser.Package p = mPackages.get(packageName); 7202 if (p == null) { 7203 return; 7204 } 7205 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7206 } 7207 } 7208 7209 // TODO: this is not used nor needed. Delete it. 7210 @Override 7211 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7212 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7213 getFullCompilerFilter(), false /* force */); 7214 } 7215 7216 @Override 7217 public boolean performDexOpt(String packageName, String instructionSet, 7218 boolean checkProfiles, int compileReason, boolean force) { 7219 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7220 getCompilerFilterForReason(compileReason), force); 7221 } 7222 7223 @Override 7224 public boolean performDexOptMode(String packageName, String instructionSet, 7225 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7226 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7227 targetCompilerFilter, force); 7228 } 7229 7230 private boolean performDexOptTraced(String packageName, String instructionSet, 7231 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7232 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7233 try { 7234 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7235 targetCompilerFilter, force); 7236 } finally { 7237 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7238 } 7239 } 7240 7241 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7242 // if the package can now be considered up to date for the given filter. 7243 private boolean performDexOptInternal(String packageName, String instructionSet, 7244 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7245 PackageParser.Package p; 7246 final String targetInstructionSet; 7247 synchronized (mPackages) { 7248 p = mPackages.get(packageName); 7249 if (p == null) { 7250 return false; 7251 } 7252 mPackageUsage.write(false); 7253 7254 targetInstructionSet = instructionSet != null ? instructionSet : 7255 getPrimaryInstructionSet(p.applicationInfo); 7256 } 7257 long callingId = Binder.clearCallingIdentity(); 7258 try { 7259 synchronized (mInstallLock) { 7260 final String[] instructionSets = new String[] { targetInstructionSet }; 7261 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7262 checkProfiles, targetCompilerFilter, force); 7263 return result != PackageDexOptimizer.DEX_OPT_FAILED; 7264 } 7265 } finally { 7266 Binder.restoreCallingIdentity(callingId); 7267 } 7268 } 7269 7270 public ArraySet<String> getOptimizablePackages() { 7271 ArraySet<String> pkgs = new ArraySet<String>(); 7272 synchronized (mPackages) { 7273 for (PackageParser.Package p : mPackages.values()) { 7274 if (PackageDexOptimizer.canOptimizePackage(p)) { 7275 pkgs.add(p.packageName); 7276 } 7277 } 7278 } 7279 return pkgs; 7280 } 7281 7282 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7283 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7284 boolean force) { 7285 // Select the dex optimizer based on the force parameter. 7286 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7287 // allocate an object here. 7288 PackageDexOptimizer pdo = force 7289 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7290 : mPackageDexOptimizer; 7291 7292 // Optimize all dependencies first. Note: we ignore the return value and march on 7293 // on errors. 7294 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7295 if (!deps.isEmpty()) { 7296 for (PackageParser.Package depPackage : deps) { 7297 // TODO: Analyze and investigate if we (should) profile libraries. 7298 // Currently this will do a full compilation of the library by default. 7299 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7300 false /* checkProfiles */, 7301 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7302 } 7303 } 7304 7305 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7306 targetCompilerFilter); 7307 } 7308 7309 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7310 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7311 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7312 Set<String> collectedNames = new HashSet<>(); 7313 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7314 7315 retValue.remove(p); 7316 7317 return retValue; 7318 } else { 7319 return Collections.emptyList(); 7320 } 7321 } 7322 7323 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7324 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7325 if (!collectedNames.contains(p.packageName)) { 7326 collectedNames.add(p.packageName); 7327 collected.add(p); 7328 7329 if (p.usesLibraries != null) { 7330 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7331 } 7332 if (p.usesOptionalLibraries != null) { 7333 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7334 collectedNames); 7335 } 7336 } 7337 } 7338 7339 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7340 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7341 for (String libName : libs) { 7342 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7343 if (libPkg != null) { 7344 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7345 } 7346 } 7347 } 7348 7349 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7350 synchronized (mPackages) { 7351 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7352 if (lib != null && lib.apk != null) { 7353 return mPackages.get(lib.apk); 7354 } 7355 } 7356 return null; 7357 } 7358 7359 public void shutdown() { 7360 mPackageUsage.write(true); 7361 } 7362 7363 @Override 7364 public void forceDexOpt(String packageName) { 7365 enforceSystemOrRoot("forceDexOpt"); 7366 7367 PackageParser.Package pkg; 7368 synchronized (mPackages) { 7369 pkg = mPackages.get(packageName); 7370 if (pkg == null) { 7371 throw new IllegalArgumentException("Unknown package: " + packageName); 7372 } 7373 } 7374 7375 synchronized (mInstallLock) { 7376 final String[] instructionSets = new String[] { 7377 getPrimaryInstructionSet(pkg.applicationInfo) }; 7378 7379 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7380 7381 // Whoever is calling forceDexOpt wants a fully compiled package. 7382 // Don't use profiles since that may cause compilation to be skipped. 7383 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7384 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7385 true /* force */); 7386 7387 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7388 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7389 throw new IllegalStateException("Failed to dexopt: " + res); 7390 } 7391 } 7392 } 7393 7394 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7395 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7396 Slog.w(TAG, "Unable to update from " + oldPkg.name 7397 + " to " + newPkg.packageName 7398 + ": old package not in system partition"); 7399 return false; 7400 } else if (mPackages.get(oldPkg.name) != null) { 7401 Slog.w(TAG, "Unable to update from " + oldPkg.name 7402 + " to " + newPkg.packageName 7403 + ": old package still exists"); 7404 return false; 7405 } 7406 return true; 7407 } 7408 7409 void removeCodePathLI(File codePath) { 7410 if (codePath.isDirectory()) { 7411 try { 7412 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7413 } catch (InstallerException e) { 7414 Slog.w(TAG, "Failed to remove code path", e); 7415 } 7416 } else { 7417 codePath.delete(); 7418 } 7419 } 7420 7421 private int[] resolveUserIds(int userId) { 7422 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7423 } 7424 7425 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7426 if (pkg == null) { 7427 Slog.wtf(TAG, "Package was null!", new Throwable()); 7428 return; 7429 } 7430 clearAppDataLeafLIF(pkg, userId, flags); 7431 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7432 for (int i = 0; i < childCount; i++) { 7433 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7434 } 7435 } 7436 7437 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7438 final PackageSetting ps; 7439 synchronized (mPackages) { 7440 ps = mSettings.mPackages.get(pkg.packageName); 7441 } 7442 for (int realUserId : resolveUserIds(userId)) { 7443 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7444 try { 7445 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7446 ceDataInode); 7447 } catch (InstallerException e) { 7448 Slog.w(TAG, String.valueOf(e)); 7449 } 7450 } 7451 } 7452 7453 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7454 if (pkg == null) { 7455 Slog.wtf(TAG, "Package was null!", new Throwable()); 7456 return; 7457 } 7458 destroyAppDataLeafLIF(pkg, userId, flags); 7459 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7460 for (int i = 0; i < childCount; i++) { 7461 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7462 } 7463 } 7464 7465 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7466 final PackageSetting ps; 7467 synchronized (mPackages) { 7468 ps = mSettings.mPackages.get(pkg.packageName); 7469 } 7470 for (int realUserId : resolveUserIds(userId)) { 7471 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7472 try { 7473 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7474 ceDataInode); 7475 } catch (InstallerException e) { 7476 Slog.w(TAG, String.valueOf(e)); 7477 } 7478 } 7479 } 7480 7481 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7482 if (pkg == null) { 7483 Slog.wtf(TAG, "Package was null!", new Throwable()); 7484 return; 7485 } 7486 destroyAppProfilesLeafLIF(pkg); 7487 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7488 for (int i = 0; i < childCount; i++) { 7489 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7490 } 7491 } 7492 7493 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7494 try { 7495 mInstaller.destroyAppProfiles(pkg.packageName); 7496 } catch (InstallerException e) { 7497 Slog.w(TAG, String.valueOf(e)); 7498 } 7499 } 7500 7501 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7502 if (pkg == null) { 7503 Slog.wtf(TAG, "Package was null!", new Throwable()); 7504 return; 7505 } 7506 clearAppProfilesLeafLIF(pkg); 7507 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7508 for (int i = 0; i < childCount; i++) { 7509 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7510 } 7511 } 7512 7513 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7514 try { 7515 mInstaller.clearAppProfiles(pkg.packageName); 7516 } catch (InstallerException e) { 7517 Slog.w(TAG, String.valueOf(e)); 7518 } 7519 } 7520 7521 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7522 long lastUpdateTime) { 7523 // Set parent install/update time 7524 PackageSetting ps = (PackageSetting) pkg.mExtras; 7525 if (ps != null) { 7526 ps.firstInstallTime = firstInstallTime; 7527 ps.lastUpdateTime = lastUpdateTime; 7528 } 7529 // Set children install/update time 7530 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7531 for (int i = 0; i < childCount; i++) { 7532 PackageParser.Package childPkg = pkg.childPackages.get(i); 7533 ps = (PackageSetting) childPkg.mExtras; 7534 if (ps != null) { 7535 ps.firstInstallTime = firstInstallTime; 7536 ps.lastUpdateTime = lastUpdateTime; 7537 } 7538 } 7539 } 7540 7541 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7542 PackageParser.Package changingLib) { 7543 if (file.path != null) { 7544 usesLibraryFiles.add(file.path); 7545 return; 7546 } 7547 PackageParser.Package p = mPackages.get(file.apk); 7548 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7549 // If we are doing this while in the middle of updating a library apk, 7550 // then we need to make sure to use that new apk for determining the 7551 // dependencies here. (We haven't yet finished committing the new apk 7552 // to the package manager state.) 7553 if (p == null || p.packageName.equals(changingLib.packageName)) { 7554 p = changingLib; 7555 } 7556 } 7557 if (p != null) { 7558 usesLibraryFiles.addAll(p.getAllCodePaths()); 7559 } 7560 } 7561 7562 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7563 PackageParser.Package changingLib) throws PackageManagerException { 7564 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7565 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7566 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7567 for (int i=0; i<N; i++) { 7568 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7569 if (file == null) { 7570 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7571 "Package " + pkg.packageName + " requires unavailable shared library " 7572 + pkg.usesLibraries.get(i) + "; failing!"); 7573 } 7574 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7575 } 7576 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7577 for (int i=0; i<N; i++) { 7578 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7579 if (file == null) { 7580 Slog.w(TAG, "Package " + pkg.packageName 7581 + " desires unavailable shared library " 7582 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7583 } else { 7584 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7585 } 7586 } 7587 N = usesLibraryFiles.size(); 7588 if (N > 0) { 7589 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7590 } else { 7591 pkg.usesLibraryFiles = null; 7592 } 7593 } 7594 } 7595 7596 private static boolean hasString(List<String> list, List<String> which) { 7597 if (list == null) { 7598 return false; 7599 } 7600 for (int i=list.size()-1; i>=0; i--) { 7601 for (int j=which.size()-1; j>=0; j--) { 7602 if (which.get(j).equals(list.get(i))) { 7603 return true; 7604 } 7605 } 7606 } 7607 return false; 7608 } 7609 7610 private void updateAllSharedLibrariesLPw() { 7611 for (PackageParser.Package pkg : mPackages.values()) { 7612 try { 7613 updateSharedLibrariesLPw(pkg, null); 7614 } catch (PackageManagerException e) { 7615 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7616 } 7617 } 7618 } 7619 7620 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7621 PackageParser.Package changingPkg) { 7622 ArrayList<PackageParser.Package> res = null; 7623 for (PackageParser.Package pkg : mPackages.values()) { 7624 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7625 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7626 if (res == null) { 7627 res = new ArrayList<PackageParser.Package>(); 7628 } 7629 res.add(pkg); 7630 try { 7631 updateSharedLibrariesLPw(pkg, changingPkg); 7632 } catch (PackageManagerException e) { 7633 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7634 } 7635 } 7636 } 7637 return res; 7638 } 7639 7640 /** 7641 * Derive the value of the {@code cpuAbiOverride} based on the provided 7642 * value and an optional stored value from the package settings. 7643 */ 7644 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7645 String cpuAbiOverride = null; 7646 7647 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7648 cpuAbiOverride = null; 7649 } else if (abiOverride != null) { 7650 cpuAbiOverride = abiOverride; 7651 } else if (settings != null) { 7652 cpuAbiOverride = settings.cpuAbiOverrideString; 7653 } 7654 7655 return cpuAbiOverride; 7656 } 7657 7658 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7659 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7660 throws PackageManagerException { 7661 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7662 // If the package has children and this is the first dive in the function 7663 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7664 // whether all packages (parent and children) would be successfully scanned 7665 // before the actual scan since scanning mutates internal state and we want 7666 // to atomically install the package and its children. 7667 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7668 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7669 scanFlags |= SCAN_CHECK_ONLY; 7670 } 7671 } else { 7672 scanFlags &= ~SCAN_CHECK_ONLY; 7673 } 7674 7675 final PackageParser.Package scannedPkg; 7676 try { 7677 // Scan the parent 7678 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7679 // Scan the children 7680 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7681 for (int i = 0; i < childCount; i++) { 7682 PackageParser.Package childPkg = pkg.childPackages.get(i); 7683 scanPackageLI(childPkg, policyFlags, 7684 scanFlags, currentTime, user); 7685 } 7686 } finally { 7687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7688 } 7689 7690 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7691 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7692 } 7693 7694 return scannedPkg; 7695 } 7696 7697 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7698 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7699 boolean success = false; 7700 try { 7701 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7702 currentTime, user); 7703 success = true; 7704 return res; 7705 } finally { 7706 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7707 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7708 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7709 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7710 destroyAppProfilesLIF(pkg); 7711 } 7712 } 7713 } 7714 7715 /** 7716 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7717 */ 7718 private static boolean apkHasCode(String fileName) { 7719 StrictJarFile jarFile = null; 7720 try { 7721 jarFile = new StrictJarFile(fileName, 7722 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7723 return jarFile.findEntry("classes.dex") != null; 7724 } catch (IOException ignore) { 7725 } finally { 7726 try { 7727 jarFile.close(); 7728 } catch (IOException ignore) {} 7729 } 7730 return false; 7731 } 7732 7733 /** 7734 * Enforces code policy for the package. This ensures that if an APK has 7735 * declared hasCode="true" in its manifest that the APK actually contains 7736 * code. 7737 * 7738 * @throws PackageManagerException If bytecode could not be found when it should exist 7739 */ 7740 private static void enforceCodePolicy(PackageParser.Package pkg) 7741 throws PackageManagerException { 7742 final boolean shouldHaveCode = 7743 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7744 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7745 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7746 "Package " + pkg.baseCodePath + " code is missing"); 7747 } 7748 7749 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7750 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7751 final boolean splitShouldHaveCode = 7752 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7753 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7754 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7755 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7756 } 7757 } 7758 } 7759 } 7760 7761 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7762 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7763 throws PackageManagerException { 7764 final File scanFile = new File(pkg.codePath); 7765 if (pkg.applicationInfo.getCodePath() == null || 7766 pkg.applicationInfo.getResourcePath() == null) { 7767 // Bail out. The resource and code paths haven't been set. 7768 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7769 "Code and resource paths haven't been set correctly"); 7770 } 7771 7772 // Apply policy 7773 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7774 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7775 if (pkg.applicationInfo.isDirectBootAware()) { 7776 // we're direct boot aware; set for all components 7777 for (PackageParser.Service s : pkg.services) { 7778 s.info.encryptionAware = s.info.directBootAware = true; 7779 } 7780 for (PackageParser.Provider p : pkg.providers) { 7781 p.info.encryptionAware = p.info.directBootAware = true; 7782 } 7783 for (PackageParser.Activity a : pkg.activities) { 7784 a.info.encryptionAware = a.info.directBootAware = true; 7785 } 7786 for (PackageParser.Activity r : pkg.receivers) { 7787 r.info.encryptionAware = r.info.directBootAware = true; 7788 } 7789 } 7790 } else { 7791 // Only allow system apps to be flagged as core apps. 7792 pkg.coreApp = false; 7793 // clear flags not applicable to regular apps 7794 pkg.applicationInfo.privateFlags &= 7795 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7796 pkg.applicationInfo.privateFlags &= 7797 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7798 } 7799 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7800 7801 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7802 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7803 } 7804 7805 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7806 enforceCodePolicy(pkg); 7807 } 7808 7809 if (mCustomResolverComponentName != null && 7810 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7811 setUpCustomResolverActivity(pkg); 7812 } 7813 7814 if (pkg.packageName.equals("android")) { 7815 synchronized (mPackages) { 7816 if (mAndroidApplication != null) { 7817 Slog.w(TAG, "*************************************************"); 7818 Slog.w(TAG, "Core android package being redefined. Skipping."); 7819 Slog.w(TAG, " file=" + scanFile); 7820 Slog.w(TAG, "*************************************************"); 7821 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7822 "Core android package being redefined. Skipping."); 7823 } 7824 7825 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7826 // Set up information for our fall-back user intent resolution activity. 7827 mPlatformPackage = pkg; 7828 pkg.mVersionCode = mSdkVersion; 7829 mAndroidApplication = pkg.applicationInfo; 7830 7831 if (!mResolverReplaced) { 7832 mResolveActivity.applicationInfo = mAndroidApplication; 7833 mResolveActivity.name = ResolverActivity.class.getName(); 7834 mResolveActivity.packageName = mAndroidApplication.packageName; 7835 mResolveActivity.processName = "system:ui"; 7836 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7837 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7838 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7839 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7840 mResolveActivity.exported = true; 7841 mResolveActivity.enabled = true; 7842 mResolveInfo.activityInfo = mResolveActivity; 7843 mResolveInfo.priority = 0; 7844 mResolveInfo.preferredOrder = 0; 7845 mResolveInfo.match = 0; 7846 mResolveComponentName = new ComponentName( 7847 mAndroidApplication.packageName, mResolveActivity.name); 7848 } 7849 } 7850 } 7851 } 7852 7853 if (DEBUG_PACKAGE_SCANNING) { 7854 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7855 Log.d(TAG, "Scanning package " + pkg.packageName); 7856 } 7857 7858 synchronized (mPackages) { 7859 if (mPackages.containsKey(pkg.packageName) 7860 || mSharedLibraries.containsKey(pkg.packageName)) { 7861 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7862 "Application package " + pkg.packageName 7863 + " already installed. Skipping duplicate."); 7864 } 7865 7866 // If we're only installing presumed-existing packages, require that the 7867 // scanned APK is both already known and at the path previously established 7868 // for it. Previously unknown packages we pick up normally, but if we have an 7869 // a priori expectation about this package's install presence, enforce it. 7870 // With a singular exception for new system packages. When an OTA contains 7871 // a new system package, we allow the codepath to change from a system location 7872 // to the user-installed location. If we don't allow this change, any newer, 7873 // user-installed version of the application will be ignored. 7874 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7875 if (mExpectingBetter.containsKey(pkg.packageName)) { 7876 logCriticalInfo(Log.WARN, 7877 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7878 } else { 7879 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7880 if (known != null) { 7881 if (DEBUG_PACKAGE_SCANNING) { 7882 Log.d(TAG, "Examining " + pkg.codePath 7883 + " and requiring known paths " + known.codePathString 7884 + " & " + known.resourcePathString); 7885 } 7886 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7887 || !pkg.applicationInfo.getResourcePath().equals( 7888 known.resourcePathString)) { 7889 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7890 "Application package " + pkg.packageName 7891 + " found at " + pkg.applicationInfo.getCodePath() 7892 + " but expected at " + known.codePathString 7893 + "; ignoring."); 7894 } 7895 } 7896 } 7897 } 7898 } 7899 7900 // Initialize package source and resource directories 7901 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7902 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7903 7904 SharedUserSetting suid = null; 7905 PackageSetting pkgSetting = null; 7906 7907 if (!isSystemApp(pkg)) { 7908 // Only system apps can use these features. 7909 pkg.mOriginalPackages = null; 7910 pkg.mRealPackage = null; 7911 pkg.mAdoptPermissions = null; 7912 } 7913 7914 // Getting the package setting may have a side-effect, so if we 7915 // are only checking if scan would succeed, stash a copy of the 7916 // old setting to restore at the end. 7917 PackageSetting nonMutatedPs = null; 7918 7919 // writer 7920 synchronized (mPackages) { 7921 if (pkg.mSharedUserId != null) { 7922 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7923 if (suid == null) { 7924 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7925 "Creating application package " + pkg.packageName 7926 + " for shared user failed"); 7927 } 7928 if (DEBUG_PACKAGE_SCANNING) { 7929 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7930 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7931 + "): packages=" + suid.packages); 7932 } 7933 } 7934 7935 // Check if we are renaming from an original package name. 7936 PackageSetting origPackage = null; 7937 String realName = null; 7938 if (pkg.mOriginalPackages != null) { 7939 // This package may need to be renamed to a previously 7940 // installed name. Let's check on that... 7941 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7942 if (pkg.mOriginalPackages.contains(renamed)) { 7943 // This package had originally been installed as the 7944 // original name, and we have already taken care of 7945 // transitioning to the new one. Just update the new 7946 // one to continue using the old name. 7947 realName = pkg.mRealPackage; 7948 if (!pkg.packageName.equals(renamed)) { 7949 // Callers into this function may have already taken 7950 // care of renaming the package; only do it here if 7951 // it is not already done. 7952 pkg.setPackageName(renamed); 7953 } 7954 7955 } else { 7956 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7957 if ((origPackage = mSettings.peekPackageLPr( 7958 pkg.mOriginalPackages.get(i))) != null) { 7959 // We do have the package already installed under its 7960 // original name... should we use it? 7961 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7962 // New package is not compatible with original. 7963 origPackage = null; 7964 continue; 7965 } else if (origPackage.sharedUser != null) { 7966 // Make sure uid is compatible between packages. 7967 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7968 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7969 + " to " + pkg.packageName + ": old uid " 7970 + origPackage.sharedUser.name 7971 + " differs from " + pkg.mSharedUserId); 7972 origPackage = null; 7973 continue; 7974 } 7975 // TODO: Add case when shared user id is added [b/28144775] 7976 } else { 7977 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7978 + pkg.packageName + " to old name " + origPackage.name); 7979 } 7980 break; 7981 } 7982 } 7983 } 7984 } 7985 7986 if (mTransferedPackages.contains(pkg.packageName)) { 7987 Slog.w(TAG, "Package " + pkg.packageName 7988 + " was transferred to another, but its .apk remains"); 7989 } 7990 7991 // See comments in nonMutatedPs declaration 7992 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7993 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7994 if (foundPs != null) { 7995 nonMutatedPs = new PackageSetting(foundPs); 7996 } 7997 } 7998 7999 // Just create the setting, don't add it yet. For already existing packages 8000 // the PkgSetting exists already and doesn't have to be created. 8001 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8002 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8003 pkg.applicationInfo.primaryCpuAbi, 8004 pkg.applicationInfo.secondaryCpuAbi, 8005 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8006 user, false); 8007 if (pkgSetting == null) { 8008 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8009 "Creating application package " + pkg.packageName + " failed"); 8010 } 8011 8012 if (pkgSetting.origPackage != null) { 8013 // If we are first transitioning from an original package, 8014 // fix up the new package's name now. We need to do this after 8015 // looking up the package under its new name, so getPackageLP 8016 // can take care of fiddling things correctly. 8017 pkg.setPackageName(origPackage.name); 8018 8019 // File a report about this. 8020 String msg = "New package " + pkgSetting.realName 8021 + " renamed to replace old package " + pkgSetting.name; 8022 reportSettingsProblem(Log.WARN, msg); 8023 8024 // Make a note of it. 8025 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8026 mTransferedPackages.add(origPackage.name); 8027 } 8028 8029 // No longer need to retain this. 8030 pkgSetting.origPackage = null; 8031 } 8032 8033 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8034 // Make a note of it. 8035 mTransferedPackages.add(pkg.packageName); 8036 } 8037 8038 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8039 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8040 } 8041 8042 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8043 // Check all shared libraries and map to their actual file path. 8044 // We only do this here for apps not on a system dir, because those 8045 // are the only ones that can fail an install due to this. We 8046 // will take care of the system apps by updating all of their 8047 // library paths after the scan is done. 8048 updateSharedLibrariesLPw(pkg, null); 8049 } 8050 8051 if (mFoundPolicyFile) { 8052 SELinuxMMAC.assignSeinfoValue(pkg); 8053 } 8054 8055 pkg.applicationInfo.uid = pkgSetting.appId; 8056 pkg.mExtras = pkgSetting; 8057 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8058 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8059 // We just determined the app is signed correctly, so bring 8060 // over the latest parsed certs. 8061 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8062 } else { 8063 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8064 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8065 "Package " + pkg.packageName + " upgrade keys do not match the " 8066 + "previously installed version"); 8067 } else { 8068 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8069 String msg = "System package " + pkg.packageName 8070 + " signature changed; retaining data."; 8071 reportSettingsProblem(Log.WARN, msg); 8072 } 8073 } 8074 } else { 8075 try { 8076 verifySignaturesLP(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 } catch (PackageManagerException e) { 8081 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8082 throw e; 8083 } 8084 // The signature has changed, but this package is in the system 8085 // image... let's recover! 8086 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8087 // However... if this package is part of a shared user, but it 8088 // doesn't match the signature of the shared user, let's fail. 8089 // What this means is that you can't change the signatures 8090 // associated with an overall shared user, which doesn't seem all 8091 // that unreasonable. 8092 if (pkgSetting.sharedUser != null) { 8093 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8094 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8095 throw new PackageManagerException( 8096 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8097 "Signature mismatch for shared user: " 8098 + pkgSetting.sharedUser); 8099 } 8100 } 8101 // File a report about this. 8102 String msg = "System package " + pkg.packageName 8103 + " signature changed; retaining data."; 8104 reportSettingsProblem(Log.WARN, msg); 8105 } 8106 } 8107 // Verify that this new package doesn't have any content providers 8108 // that conflict with existing packages. Only do this if the 8109 // package isn't already installed, since we don't want to break 8110 // things that are installed. 8111 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8112 final int N = pkg.providers.size(); 8113 int i; 8114 for (i=0; i<N; i++) { 8115 PackageParser.Provider p = pkg.providers.get(i); 8116 if (p.info.authority != null) { 8117 String names[] = p.info.authority.split(";"); 8118 for (int j = 0; j < names.length; j++) { 8119 if (mProvidersByAuthority.containsKey(names[j])) { 8120 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8121 final String otherPackageName = 8122 ((other != null && other.getComponentName() != null) ? 8123 other.getComponentName().getPackageName() : "?"); 8124 throw new PackageManagerException( 8125 INSTALL_FAILED_CONFLICTING_PROVIDER, 8126 "Can't install because provider name " + names[j] 8127 + " (in package " + pkg.applicationInfo.packageName 8128 + ") is already used by " + otherPackageName); 8129 } 8130 } 8131 } 8132 } 8133 } 8134 8135 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8136 // This package wants to adopt ownership of permissions from 8137 // another package. 8138 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8139 final String origName = pkg.mAdoptPermissions.get(i); 8140 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8141 if (orig != null) { 8142 if (verifyPackageUpdateLPr(orig, pkg)) { 8143 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8144 + pkg.packageName); 8145 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8146 } 8147 } 8148 } 8149 } 8150 } 8151 8152 final String pkgName = pkg.packageName; 8153 8154 final long scanFileTime = scanFile.lastModified(); 8155 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8156 pkg.applicationInfo.processName = fixProcessName( 8157 pkg.applicationInfo.packageName, 8158 pkg.applicationInfo.processName, 8159 pkg.applicationInfo.uid); 8160 8161 if (pkg != mPlatformPackage) { 8162 // Get all of our default paths setup 8163 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8164 } 8165 8166 final String path = scanFile.getPath(); 8167 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8168 8169 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8170 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8171 8172 // Some system apps still use directory structure for native libraries 8173 // in which case we might end up not detecting abi solely based on apk 8174 // structure. Try to detect abi based on directory structure. 8175 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8176 pkg.applicationInfo.primaryCpuAbi == null) { 8177 setBundledAppAbisAndRoots(pkg, pkgSetting); 8178 setNativeLibraryPaths(pkg); 8179 } 8180 8181 } else { 8182 if ((scanFlags & SCAN_MOVE) != 0) { 8183 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8184 // but we already have this packages package info in the PackageSetting. We just 8185 // use that and derive the native library path based on the new codepath. 8186 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8187 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8188 } 8189 8190 // Set native library paths again. For moves, the path will be updated based on the 8191 // ABIs we've determined above. For non-moves, the path will be updated based on the 8192 // ABIs we determined during compilation, but the path will depend on the final 8193 // package path (after the rename away from the stage path). 8194 setNativeLibraryPaths(pkg); 8195 } 8196 8197 // This is a special case for the "system" package, where the ABI is 8198 // dictated by the zygote configuration (and init.rc). We should keep track 8199 // of this ABI so that we can deal with "normal" applications that run under 8200 // the same UID correctly. 8201 if (mPlatformPackage == pkg) { 8202 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8203 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8204 } 8205 8206 // If there's a mismatch between the abi-override in the package setting 8207 // and the abiOverride specified for the install. Warn about this because we 8208 // would've already compiled the app without taking the package setting into 8209 // account. 8210 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8211 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8212 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8213 " for package " + pkg.packageName); 8214 } 8215 } 8216 8217 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8218 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8219 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8220 8221 // Copy the derived override back to the parsed package, so that we can 8222 // update the package settings accordingly. 8223 pkg.cpuAbiOverride = cpuAbiOverride; 8224 8225 if (DEBUG_ABI_SELECTION) { 8226 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8227 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8228 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8229 } 8230 8231 // Push the derived path down into PackageSettings so we know what to 8232 // clean up at uninstall time. 8233 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8234 8235 if (DEBUG_ABI_SELECTION) { 8236 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8237 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8238 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8239 } 8240 8241 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8242 // We don't do this here during boot because we can do it all 8243 // at once after scanning all existing packages. 8244 // 8245 // We also do this *before* we perform dexopt on this package, so that 8246 // we can avoid redundant dexopts, and also to make sure we've got the 8247 // code and package path correct. 8248 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8249 pkg, true /* boot complete */); 8250 } 8251 8252 if (mFactoryTest && pkg.requestedPermissions.contains( 8253 android.Manifest.permission.FACTORY_TEST)) { 8254 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8255 } 8256 8257 ArrayList<PackageParser.Package> clientLibPkgs = null; 8258 8259 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8260 if (nonMutatedPs != null) { 8261 synchronized (mPackages) { 8262 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8263 } 8264 } 8265 return pkg; 8266 } 8267 8268 // Only privileged apps and updated privileged apps can add child packages. 8269 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8270 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8271 throw new PackageManagerException("Only privileged apps and updated " 8272 + "privileged apps can add child packages. Ignoring package " 8273 + pkg.packageName); 8274 } 8275 final int childCount = pkg.childPackages.size(); 8276 for (int i = 0; i < childCount; i++) { 8277 PackageParser.Package childPkg = pkg.childPackages.get(i); 8278 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8279 childPkg.packageName)) { 8280 throw new PackageManagerException("Cannot override a child package of " 8281 + "another disabled system app. Ignoring package " + pkg.packageName); 8282 } 8283 } 8284 } 8285 8286 // writer 8287 synchronized (mPackages) { 8288 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8289 // Only system apps can add new shared libraries. 8290 if (pkg.libraryNames != null) { 8291 for (int i=0; i<pkg.libraryNames.size(); i++) { 8292 String name = pkg.libraryNames.get(i); 8293 boolean allowed = false; 8294 if (pkg.isUpdatedSystemApp()) { 8295 // New library entries can only be added through the 8296 // system image. This is important to get rid of a lot 8297 // of nasty edge cases: for example if we allowed a non- 8298 // system update of the app to add a library, then uninstalling 8299 // the update would make the library go away, and assumptions 8300 // we made such as through app install filtering would now 8301 // have allowed apps on the device which aren't compatible 8302 // with it. Better to just have the restriction here, be 8303 // conservative, and create many fewer cases that can negatively 8304 // impact the user experience. 8305 final PackageSetting sysPs = mSettings 8306 .getDisabledSystemPkgLPr(pkg.packageName); 8307 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8308 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8309 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8310 allowed = true; 8311 break; 8312 } 8313 } 8314 } 8315 } else { 8316 allowed = true; 8317 } 8318 if (allowed) { 8319 if (!mSharedLibraries.containsKey(name)) { 8320 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8321 } else if (!name.equals(pkg.packageName)) { 8322 Slog.w(TAG, "Package " + pkg.packageName + " library " 8323 + name + " already exists; skipping"); 8324 } 8325 } else { 8326 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8327 + name + " that is not declared on system image; skipping"); 8328 } 8329 } 8330 if ((scanFlags & SCAN_BOOTING) == 0) { 8331 // If we are not booting, we need to update any applications 8332 // that are clients of our shared library. If we are booting, 8333 // this will all be done once the scan is complete. 8334 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8335 } 8336 } 8337 } 8338 } 8339 8340 if ((scanFlags & SCAN_BOOTING) != 0) { 8341 // No apps can run during boot scan, so they don't need to be frozen 8342 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8343 // Caller asked to not kill app, so it's probably not frozen 8344 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8345 // Caller asked us to ignore frozen check for some reason; they 8346 // probably didn't know the package name 8347 } else { 8348 // We're doing major surgery on this package, so it better be frozen 8349 // right now to keep it from launching 8350 checkPackageFrozen(pkgName); 8351 } 8352 8353 // Also need to kill any apps that are dependent on the library. 8354 if (clientLibPkgs != null) { 8355 for (int i=0; i<clientLibPkgs.size(); i++) { 8356 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8357 killApplication(clientPkg.applicationInfo.packageName, 8358 clientPkg.applicationInfo.uid, "update lib"); 8359 } 8360 } 8361 8362 // Make sure we're not adding any bogus keyset info 8363 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8364 ksms.assertScannedPackageValid(pkg); 8365 8366 // writer 8367 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8368 8369 boolean createIdmapFailed = false; 8370 synchronized (mPackages) { 8371 // We don't expect installation to fail beyond this point 8372 8373 // Add the new setting to mSettings 8374 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8375 // Add the new setting to mPackages 8376 mPackages.put(pkg.applicationInfo.packageName, pkg); 8377 // Make sure we don't accidentally delete its data. 8378 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8379 while (iter.hasNext()) { 8380 PackageCleanItem item = iter.next(); 8381 if (pkgName.equals(item.packageName)) { 8382 iter.remove(); 8383 } 8384 } 8385 8386 // Take care of first install / last update times. 8387 if (currentTime != 0) { 8388 if (pkgSetting.firstInstallTime == 0) { 8389 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8390 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8391 pkgSetting.lastUpdateTime = currentTime; 8392 } 8393 } else if (pkgSetting.firstInstallTime == 0) { 8394 // We need *something*. Take time time stamp of the file. 8395 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8396 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8397 if (scanFileTime != pkgSetting.timeStamp) { 8398 // A package on the system image has changed; consider this 8399 // to be an update. 8400 pkgSetting.lastUpdateTime = scanFileTime; 8401 } 8402 } 8403 8404 // Add the package's KeySets to the global KeySetManagerService 8405 ksms.addScannedPackageLPw(pkg); 8406 8407 int N = pkg.providers.size(); 8408 StringBuilder r = null; 8409 int i; 8410 for (i=0; i<N; i++) { 8411 PackageParser.Provider p = pkg.providers.get(i); 8412 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8413 p.info.processName, pkg.applicationInfo.uid); 8414 mProviders.addProvider(p); 8415 p.syncable = p.info.isSyncable; 8416 if (p.info.authority != null) { 8417 String names[] = p.info.authority.split(";"); 8418 p.info.authority = null; 8419 for (int j = 0; j < names.length; j++) { 8420 if (j == 1 && p.syncable) { 8421 // We only want the first authority for a provider to possibly be 8422 // syncable, so if we already added this provider using a different 8423 // authority clear the syncable flag. We copy the provider before 8424 // changing it because the mProviders object contains a reference 8425 // to a provider that we don't want to change. 8426 // Only do this for the second authority since the resulting provider 8427 // object can be the same for all future authorities for this provider. 8428 p = new PackageParser.Provider(p); 8429 p.syncable = false; 8430 } 8431 if (!mProvidersByAuthority.containsKey(names[j])) { 8432 mProvidersByAuthority.put(names[j], p); 8433 if (p.info.authority == null) { 8434 p.info.authority = names[j]; 8435 } else { 8436 p.info.authority = p.info.authority + ";" + names[j]; 8437 } 8438 if (DEBUG_PACKAGE_SCANNING) { 8439 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8440 Log.d(TAG, "Registered content provider: " + names[j] 8441 + ", className = " + p.info.name + ", isSyncable = " 8442 + p.info.isSyncable); 8443 } 8444 } else { 8445 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8446 Slog.w(TAG, "Skipping provider name " + names[j] + 8447 " (in package " + pkg.applicationInfo.packageName + 8448 "): name already used by " 8449 + ((other != null && other.getComponentName() != null) 8450 ? other.getComponentName().getPackageName() : "?")); 8451 } 8452 } 8453 } 8454 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8455 if (r == null) { 8456 r = new StringBuilder(256); 8457 } else { 8458 r.append(' '); 8459 } 8460 r.append(p.info.name); 8461 } 8462 } 8463 if (r != null) { 8464 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8465 } 8466 8467 N = pkg.services.size(); 8468 r = null; 8469 for (i=0; i<N; i++) { 8470 PackageParser.Service s = pkg.services.get(i); 8471 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8472 s.info.processName, pkg.applicationInfo.uid); 8473 mServices.addService(s); 8474 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8475 if (r == null) { 8476 r = new StringBuilder(256); 8477 } else { 8478 r.append(' '); 8479 } 8480 r.append(s.info.name); 8481 } 8482 } 8483 if (r != null) { 8484 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8485 } 8486 8487 N = pkg.receivers.size(); 8488 r = null; 8489 for (i=0; i<N; i++) { 8490 PackageParser.Activity a = pkg.receivers.get(i); 8491 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8492 a.info.processName, pkg.applicationInfo.uid); 8493 mReceivers.addActivity(a, "receiver"); 8494 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8495 if (r == null) { 8496 r = new StringBuilder(256); 8497 } else { 8498 r.append(' '); 8499 } 8500 r.append(a.info.name); 8501 } 8502 } 8503 if (r != null) { 8504 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8505 } 8506 8507 N = pkg.activities.size(); 8508 r = null; 8509 for (i=0; i<N; i++) { 8510 PackageParser.Activity a = pkg.activities.get(i); 8511 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8512 a.info.processName, pkg.applicationInfo.uid); 8513 mActivities.addActivity(a, "activity"); 8514 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8515 if (r == null) { 8516 r = new StringBuilder(256); 8517 } else { 8518 r.append(' '); 8519 } 8520 r.append(a.info.name); 8521 } 8522 } 8523 if (r != null) { 8524 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8525 } 8526 8527 N = pkg.permissionGroups.size(); 8528 r = null; 8529 for (i=0; i<N; i++) { 8530 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8531 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8532 if (cur == null) { 8533 mPermissionGroups.put(pg.info.name, pg); 8534 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8535 if (r == null) { 8536 r = new StringBuilder(256); 8537 } else { 8538 r.append(' '); 8539 } 8540 r.append(pg.info.name); 8541 } 8542 } else { 8543 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8544 + pg.info.packageName + " ignored: original from " 8545 + cur.info.packageName); 8546 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8547 if (r == null) { 8548 r = new StringBuilder(256); 8549 } else { 8550 r.append(' '); 8551 } 8552 r.append("DUP:"); 8553 r.append(pg.info.name); 8554 } 8555 } 8556 } 8557 if (r != null) { 8558 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8559 } 8560 8561 N = pkg.permissions.size(); 8562 r = null; 8563 for (i=0; i<N; i++) { 8564 PackageParser.Permission p = pkg.permissions.get(i); 8565 8566 // Assume by default that we did not install this permission into the system. 8567 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8568 8569 // Now that permission groups have a special meaning, we ignore permission 8570 // groups for legacy apps to prevent unexpected behavior. In particular, 8571 // permissions for one app being granted to someone just becase they happen 8572 // to be in a group defined by another app (before this had no implications). 8573 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8574 p.group = mPermissionGroups.get(p.info.group); 8575 // Warn for a permission in an unknown group. 8576 if (p.info.group != null && p.group == null) { 8577 Slog.w(TAG, "Permission " + p.info.name + " from package " 8578 + p.info.packageName + " in an unknown group " + p.info.group); 8579 } 8580 } 8581 8582 ArrayMap<String, BasePermission> permissionMap = 8583 p.tree ? mSettings.mPermissionTrees 8584 : mSettings.mPermissions; 8585 BasePermission bp = permissionMap.get(p.info.name); 8586 8587 // Allow system apps to redefine non-system permissions 8588 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8589 final boolean currentOwnerIsSystem = (bp.perm != null 8590 && isSystemApp(bp.perm.owner)); 8591 if (isSystemApp(p.owner)) { 8592 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8593 // It's a built-in permission and no owner, take ownership now 8594 bp.packageSetting = pkgSetting; 8595 bp.perm = p; 8596 bp.uid = pkg.applicationInfo.uid; 8597 bp.sourcePackage = p.info.packageName; 8598 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8599 } else if (!currentOwnerIsSystem) { 8600 String msg = "New decl " + p.owner + " of permission " 8601 + p.info.name + " is system; overriding " + bp.sourcePackage; 8602 reportSettingsProblem(Log.WARN, msg); 8603 bp = null; 8604 } 8605 } 8606 } 8607 8608 if (bp == null) { 8609 bp = new BasePermission(p.info.name, p.info.packageName, 8610 BasePermission.TYPE_NORMAL); 8611 permissionMap.put(p.info.name, bp); 8612 } 8613 8614 if (bp.perm == null) { 8615 if (bp.sourcePackage == null 8616 || bp.sourcePackage.equals(p.info.packageName)) { 8617 BasePermission tree = findPermissionTreeLP(p.info.name); 8618 if (tree == null 8619 || tree.sourcePackage.equals(p.info.packageName)) { 8620 bp.packageSetting = pkgSetting; 8621 bp.perm = p; 8622 bp.uid = pkg.applicationInfo.uid; 8623 bp.sourcePackage = p.info.packageName; 8624 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8625 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8626 if (r == null) { 8627 r = new StringBuilder(256); 8628 } else { 8629 r.append(' '); 8630 } 8631 r.append(p.info.name); 8632 } 8633 } else { 8634 Slog.w(TAG, "Permission " + p.info.name + " from package " 8635 + p.info.packageName + " ignored: base tree " 8636 + tree.name + " is from package " 8637 + tree.sourcePackage); 8638 } 8639 } else { 8640 Slog.w(TAG, "Permission " + p.info.name + " from package " 8641 + p.info.packageName + " ignored: original from " 8642 + bp.sourcePackage); 8643 } 8644 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8645 if (r == null) { 8646 r = new StringBuilder(256); 8647 } else { 8648 r.append(' '); 8649 } 8650 r.append("DUP:"); 8651 r.append(p.info.name); 8652 } 8653 if (bp.perm == p) { 8654 bp.protectionLevel = p.info.protectionLevel; 8655 } 8656 } 8657 8658 if (r != null) { 8659 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8660 } 8661 8662 N = pkg.instrumentation.size(); 8663 r = null; 8664 for (i=0; i<N; i++) { 8665 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8666 a.info.packageName = pkg.applicationInfo.packageName; 8667 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8668 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8669 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8670 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8671 a.info.dataDir = pkg.applicationInfo.dataDir; 8672 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8673 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8674 8675 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8676 // need other information about the application, like the ABI and what not ? 8677 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8678 mInstrumentation.put(a.getComponentName(), a); 8679 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8680 if (r == null) { 8681 r = new StringBuilder(256); 8682 } else { 8683 r.append(' '); 8684 } 8685 r.append(a.info.name); 8686 } 8687 } 8688 if (r != null) { 8689 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8690 } 8691 8692 if (pkg.protectedBroadcasts != null) { 8693 N = pkg.protectedBroadcasts.size(); 8694 for (i=0; i<N; i++) { 8695 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8696 } 8697 } 8698 8699 pkgSetting.setTimeStamp(scanFileTime); 8700 8701 // Create idmap files for pairs of (packages, overlay packages). 8702 // Note: "android", ie framework-res.apk, is handled by native layers. 8703 if (pkg.mOverlayTarget != null) { 8704 // This is an overlay package. 8705 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8706 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8707 mOverlays.put(pkg.mOverlayTarget, 8708 new ArrayMap<String, PackageParser.Package>()); 8709 } 8710 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8711 map.put(pkg.packageName, pkg); 8712 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8713 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8714 createIdmapFailed = true; 8715 } 8716 } 8717 } else if (mOverlays.containsKey(pkg.packageName) && 8718 !pkg.packageName.equals("android")) { 8719 // This is a regular package, with one or more known overlay packages. 8720 createIdmapsForPackageLI(pkg); 8721 } 8722 } 8723 8724 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8725 8726 if (createIdmapFailed) { 8727 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8728 "scanPackageLI failed to createIdmap"); 8729 } 8730 return pkg; 8731 } 8732 8733 /** 8734 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8735 * is derived purely on the basis of the contents of {@code scanFile} and 8736 * {@code cpuAbiOverride}. 8737 * 8738 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8739 */ 8740 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8741 String cpuAbiOverride, boolean extractLibs) 8742 throws PackageManagerException { 8743 // TODO: We can probably be smarter about this stuff. For installed apps, 8744 // we can calculate this information at install time once and for all. For 8745 // system apps, we can probably assume that this information doesn't change 8746 // after the first boot scan. As things stand, we do lots of unnecessary work. 8747 8748 // Give ourselves some initial paths; we'll come back for another 8749 // pass once we've determined ABI below. 8750 setNativeLibraryPaths(pkg); 8751 8752 // We would never need to extract libs for forward-locked and external packages, 8753 // since the container service will do it for us. We shouldn't attempt to 8754 // extract libs from system app when it was not updated. 8755 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8756 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8757 extractLibs = false; 8758 } 8759 8760 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8761 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8762 8763 NativeLibraryHelper.Handle handle = null; 8764 try { 8765 handle = NativeLibraryHelper.Handle.create(pkg); 8766 // TODO(multiArch): This can be null for apps that didn't go through the 8767 // usual installation process. We can calculate it again, like we 8768 // do during install time. 8769 // 8770 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8771 // unnecessary. 8772 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8773 8774 // Null out the abis so that they can be recalculated. 8775 pkg.applicationInfo.primaryCpuAbi = null; 8776 pkg.applicationInfo.secondaryCpuAbi = null; 8777 if (isMultiArch(pkg.applicationInfo)) { 8778 // Warn if we've set an abiOverride for multi-lib packages.. 8779 // By definition, we need to copy both 32 and 64 bit libraries for 8780 // such packages. 8781 if (pkg.cpuAbiOverride != null 8782 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8783 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8784 } 8785 8786 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8787 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8788 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8789 if (extractLibs) { 8790 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8791 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8792 useIsaSpecificSubdirs); 8793 } else { 8794 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8795 } 8796 } 8797 8798 maybeThrowExceptionForMultiArchCopy( 8799 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8800 8801 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8802 if (extractLibs) { 8803 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8804 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8805 useIsaSpecificSubdirs); 8806 } else { 8807 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8808 } 8809 } 8810 8811 maybeThrowExceptionForMultiArchCopy( 8812 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8813 8814 if (abi64 >= 0) { 8815 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8816 } 8817 8818 if (abi32 >= 0) { 8819 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8820 if (abi64 >= 0) { 8821 if (pkg.use32bitAbi) { 8822 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8823 pkg.applicationInfo.primaryCpuAbi = abi; 8824 } else { 8825 pkg.applicationInfo.secondaryCpuAbi = abi; 8826 } 8827 } else { 8828 pkg.applicationInfo.primaryCpuAbi = abi; 8829 } 8830 } 8831 8832 } else { 8833 String[] abiList = (cpuAbiOverride != null) ? 8834 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8835 8836 // Enable gross and lame hacks for apps that are built with old 8837 // SDK tools. We must scan their APKs for renderscript bitcode and 8838 // not launch them if it's present. Don't bother checking on devices 8839 // that don't have 64 bit support. 8840 boolean needsRenderScriptOverride = false; 8841 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8842 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8843 abiList = Build.SUPPORTED_32_BIT_ABIS; 8844 needsRenderScriptOverride = true; 8845 } 8846 8847 final int copyRet; 8848 if (extractLibs) { 8849 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8850 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8851 } else { 8852 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8853 } 8854 8855 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8856 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8857 "Error unpackaging native libs for app, errorCode=" + copyRet); 8858 } 8859 8860 if (copyRet >= 0) { 8861 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8862 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8863 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8864 } else if (needsRenderScriptOverride) { 8865 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8866 } 8867 } 8868 } catch (IOException ioe) { 8869 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8870 } finally { 8871 IoUtils.closeQuietly(handle); 8872 } 8873 8874 // Now that we've calculated the ABIs and determined if it's an internal app, 8875 // we will go ahead and populate the nativeLibraryPath. 8876 setNativeLibraryPaths(pkg); 8877 } 8878 8879 /** 8880 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8881 * i.e, so that all packages can be run inside a single process if required. 8882 * 8883 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8884 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8885 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8886 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8887 * updating a package that belongs to a shared user. 8888 * 8889 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8890 * adds unnecessary complexity. 8891 */ 8892 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8893 PackageParser.Package scannedPackage, boolean bootComplete) { 8894 String requiredInstructionSet = null; 8895 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8896 requiredInstructionSet = VMRuntime.getInstructionSet( 8897 scannedPackage.applicationInfo.primaryCpuAbi); 8898 } 8899 8900 PackageSetting requirer = null; 8901 for (PackageSetting ps : packagesForUser) { 8902 // If packagesForUser contains scannedPackage, we skip it. This will happen 8903 // when scannedPackage is an update of an existing package. Without this check, 8904 // we will never be able to change the ABI of any package belonging to a shared 8905 // user, even if it's compatible with other packages. 8906 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8907 if (ps.primaryCpuAbiString == null) { 8908 continue; 8909 } 8910 8911 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8912 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8913 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8914 // this but there's not much we can do. 8915 String errorMessage = "Instruction set mismatch, " 8916 + ((requirer == null) ? "[caller]" : requirer) 8917 + " requires " + requiredInstructionSet + " whereas " + ps 8918 + " requires " + instructionSet; 8919 Slog.w(TAG, errorMessage); 8920 } 8921 8922 if (requiredInstructionSet == null) { 8923 requiredInstructionSet = instructionSet; 8924 requirer = ps; 8925 } 8926 } 8927 } 8928 8929 if (requiredInstructionSet != null) { 8930 String adjustedAbi; 8931 if (requirer != null) { 8932 // requirer != null implies that either scannedPackage was null or that scannedPackage 8933 // did not require an ABI, in which case we have to adjust scannedPackage to match 8934 // the ABI of the set (which is the same as requirer's ABI) 8935 adjustedAbi = requirer.primaryCpuAbiString; 8936 if (scannedPackage != null) { 8937 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8938 } 8939 } else { 8940 // requirer == null implies that we're updating all ABIs in the set to 8941 // match scannedPackage. 8942 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8943 } 8944 8945 for (PackageSetting ps : packagesForUser) { 8946 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8947 if (ps.primaryCpuAbiString != null) { 8948 continue; 8949 } 8950 8951 ps.primaryCpuAbiString = adjustedAbi; 8952 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8953 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8954 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8955 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8956 + " (requirer=" 8957 + (requirer == null ? "null" : requirer.pkg.packageName) 8958 + ", scannedPackage=" 8959 + (scannedPackage != null ? scannedPackage.packageName : "null") 8960 + ")"); 8961 try { 8962 mInstaller.rmdex(ps.codePathString, 8963 getDexCodeInstructionSet(getPreferredInstructionSet())); 8964 } catch (InstallerException ignored) { 8965 } 8966 } 8967 } 8968 } 8969 } 8970 } 8971 8972 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8973 synchronized (mPackages) { 8974 mResolverReplaced = true; 8975 // Set up information for custom user intent resolution activity. 8976 mResolveActivity.applicationInfo = pkg.applicationInfo; 8977 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8978 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8979 mResolveActivity.processName = pkg.applicationInfo.packageName; 8980 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8981 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8982 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8983 mResolveActivity.theme = 0; 8984 mResolveActivity.exported = true; 8985 mResolveActivity.enabled = true; 8986 mResolveInfo.activityInfo = mResolveActivity; 8987 mResolveInfo.priority = 0; 8988 mResolveInfo.preferredOrder = 0; 8989 mResolveInfo.match = 0; 8990 mResolveComponentName = mCustomResolverComponentName; 8991 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8992 mResolveComponentName); 8993 } 8994 } 8995 8996 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8997 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8998 8999 // Set up information for ephemeral installer activity 9000 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9001 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9002 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9003 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9004 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9005 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9006 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9007 mEphemeralInstallerActivity.theme = 0; 9008 mEphemeralInstallerActivity.exported = true; 9009 mEphemeralInstallerActivity.enabled = true; 9010 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9011 mEphemeralInstallerInfo.priority = 0; 9012 mEphemeralInstallerInfo.preferredOrder = 0; 9013 mEphemeralInstallerInfo.match = 0; 9014 9015 if (DEBUG_EPHEMERAL) { 9016 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9017 } 9018 } 9019 9020 private static String calculateBundledApkRoot(final String codePathString) { 9021 final File codePath = new File(codePathString); 9022 final File codeRoot; 9023 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9024 codeRoot = Environment.getRootDirectory(); 9025 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9026 codeRoot = Environment.getOemDirectory(); 9027 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9028 codeRoot = Environment.getVendorDirectory(); 9029 } else { 9030 // Unrecognized code path; take its top real segment as the apk root: 9031 // e.g. /something/app/blah.apk => /something 9032 try { 9033 File f = codePath.getCanonicalFile(); 9034 File parent = f.getParentFile(); // non-null because codePath is a file 9035 File tmp; 9036 while ((tmp = parent.getParentFile()) != null) { 9037 f = parent; 9038 parent = tmp; 9039 } 9040 codeRoot = f; 9041 Slog.w(TAG, "Unrecognized code path " 9042 + codePath + " - using " + codeRoot); 9043 } catch (IOException e) { 9044 // Can't canonicalize the code path -- shenanigans? 9045 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9046 return Environment.getRootDirectory().getPath(); 9047 } 9048 } 9049 return codeRoot.getPath(); 9050 } 9051 9052 /** 9053 * Derive and set the location of native libraries for the given package, 9054 * which varies depending on where and how the package was installed. 9055 */ 9056 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9057 final ApplicationInfo info = pkg.applicationInfo; 9058 final String codePath = pkg.codePath; 9059 final File codeFile = new File(codePath); 9060 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9061 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9062 9063 info.nativeLibraryRootDir = null; 9064 info.nativeLibraryRootRequiresIsa = false; 9065 info.nativeLibraryDir = null; 9066 info.secondaryNativeLibraryDir = null; 9067 9068 if (isApkFile(codeFile)) { 9069 // Monolithic install 9070 if (bundledApp) { 9071 // If "/system/lib64/apkname" exists, assume that is the per-package 9072 // native library directory to use; otherwise use "/system/lib/apkname". 9073 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9074 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9075 getPrimaryInstructionSet(info)); 9076 9077 // This is a bundled system app so choose the path based on the ABI. 9078 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9079 // is just the default path. 9080 final String apkName = deriveCodePathName(codePath); 9081 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9082 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9083 apkName).getAbsolutePath(); 9084 9085 if (info.secondaryCpuAbi != null) { 9086 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9087 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9088 secondaryLibDir, apkName).getAbsolutePath(); 9089 } 9090 } else if (asecApp) { 9091 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9092 .getAbsolutePath(); 9093 } else { 9094 final String apkName = deriveCodePathName(codePath); 9095 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9096 .getAbsolutePath(); 9097 } 9098 9099 info.nativeLibraryRootRequiresIsa = false; 9100 info.nativeLibraryDir = info.nativeLibraryRootDir; 9101 } else { 9102 // Cluster install 9103 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9104 info.nativeLibraryRootRequiresIsa = true; 9105 9106 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9107 getPrimaryInstructionSet(info)).getAbsolutePath(); 9108 9109 if (info.secondaryCpuAbi != null) { 9110 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9111 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9112 } 9113 } 9114 } 9115 9116 /** 9117 * Calculate the abis and roots for a bundled app. These can uniquely 9118 * be determined from the contents of the system partition, i.e whether 9119 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9120 * of this information, and instead assume that the system was built 9121 * sensibly. 9122 */ 9123 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9124 PackageSetting pkgSetting) { 9125 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9126 9127 // If "/system/lib64/apkname" exists, assume that is the per-package 9128 // native library directory to use; otherwise use "/system/lib/apkname". 9129 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9130 setBundledAppAbi(pkg, apkRoot, apkName); 9131 // pkgSetting might be null during rescan following uninstall of updates 9132 // to a bundled app, so accommodate that possibility. The settings in 9133 // that case will be established later from the parsed package. 9134 // 9135 // If the settings aren't null, sync them up with what we've just derived. 9136 // note that apkRoot isn't stored in the package settings. 9137 if (pkgSetting != null) { 9138 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9139 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9140 } 9141 } 9142 9143 /** 9144 * Deduces the ABI of a bundled app and sets the relevant fields on the 9145 * parsed pkg object. 9146 * 9147 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9148 * under which system libraries are installed. 9149 * @param apkName the name of the installed package. 9150 */ 9151 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9152 final File codeFile = new File(pkg.codePath); 9153 9154 final boolean has64BitLibs; 9155 final boolean has32BitLibs; 9156 if (isApkFile(codeFile)) { 9157 // Monolithic install 9158 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9159 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9160 } else { 9161 // Cluster install 9162 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9163 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9164 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9165 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9166 has64BitLibs = (new File(rootDir, isa)).exists(); 9167 } else { 9168 has64BitLibs = false; 9169 } 9170 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9171 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9172 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9173 has32BitLibs = (new File(rootDir, isa)).exists(); 9174 } else { 9175 has32BitLibs = false; 9176 } 9177 } 9178 9179 if (has64BitLibs && !has32BitLibs) { 9180 // The package has 64 bit libs, but not 32 bit libs. Its primary 9181 // ABI should be 64 bit. We can safely assume here that the bundled 9182 // native libraries correspond to the most preferred ABI in the list. 9183 9184 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9185 pkg.applicationInfo.secondaryCpuAbi = null; 9186 } else if (has32BitLibs && !has64BitLibs) { 9187 // The package has 32 bit libs but not 64 bit libs. Its primary 9188 // ABI should be 32 bit. 9189 9190 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9191 pkg.applicationInfo.secondaryCpuAbi = null; 9192 } else if (has32BitLibs && has64BitLibs) { 9193 // The application has both 64 and 32 bit bundled libraries. We check 9194 // here that the app declares multiArch support, and warn if it doesn't. 9195 // 9196 // We will be lenient here and record both ABIs. The primary will be the 9197 // ABI that's higher on the list, i.e, a device that's configured to prefer 9198 // 64 bit apps will see a 64 bit primary ABI, 9199 9200 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9201 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9202 } 9203 9204 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9205 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9206 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9207 } else { 9208 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9209 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9210 } 9211 } else { 9212 pkg.applicationInfo.primaryCpuAbi = null; 9213 pkg.applicationInfo.secondaryCpuAbi = null; 9214 } 9215 } 9216 9217 private void killApplication(String pkgName, int appId, String reason) { 9218 // Request the ActivityManager to kill the process(only for existing packages) 9219 // so that we do not end up in a confused state while the user is still using the older 9220 // version of the application while the new one gets installed. 9221 final long token = Binder.clearCallingIdentity(); 9222 try { 9223 IActivityManager am = ActivityManagerNative.getDefault(); 9224 if (am != null) { 9225 try { 9226 am.killApplicationWithAppId(pkgName, appId, reason); 9227 } catch (RemoteException e) { 9228 } 9229 } 9230 } finally { 9231 Binder.restoreCallingIdentity(token); 9232 } 9233 } 9234 9235 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9236 // Remove the parent package setting 9237 PackageSetting ps = (PackageSetting) pkg.mExtras; 9238 if (ps != null) { 9239 removePackageLI(ps, chatty); 9240 } 9241 // Remove the child package setting 9242 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9243 for (int i = 0; i < childCount; i++) { 9244 PackageParser.Package childPkg = pkg.childPackages.get(i); 9245 ps = (PackageSetting) childPkg.mExtras; 9246 if (ps != null) { 9247 removePackageLI(ps, chatty); 9248 } 9249 } 9250 } 9251 9252 void removePackageLI(PackageSetting ps, boolean chatty) { 9253 if (DEBUG_INSTALL) { 9254 if (chatty) 9255 Log.d(TAG, "Removing package " + ps.name); 9256 } 9257 9258 // writer 9259 synchronized (mPackages) { 9260 mPackages.remove(ps.name); 9261 final PackageParser.Package pkg = ps.pkg; 9262 if (pkg != null) { 9263 cleanPackageDataStructuresLILPw(pkg, chatty); 9264 } 9265 } 9266 } 9267 9268 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9269 if (DEBUG_INSTALL) { 9270 if (chatty) 9271 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9272 } 9273 9274 // writer 9275 synchronized (mPackages) { 9276 // Remove the parent package 9277 mPackages.remove(pkg.applicationInfo.packageName); 9278 cleanPackageDataStructuresLILPw(pkg, chatty); 9279 9280 // Remove the child packages 9281 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9282 for (int i = 0; i < childCount; i++) { 9283 PackageParser.Package childPkg = pkg.childPackages.get(i); 9284 mPackages.remove(childPkg.applicationInfo.packageName); 9285 cleanPackageDataStructuresLILPw(childPkg, chatty); 9286 } 9287 } 9288 } 9289 9290 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9291 int N = pkg.providers.size(); 9292 StringBuilder r = null; 9293 int i; 9294 for (i=0; i<N; i++) { 9295 PackageParser.Provider p = pkg.providers.get(i); 9296 mProviders.removeProvider(p); 9297 if (p.info.authority == null) { 9298 9299 /* There was another ContentProvider with this authority when 9300 * this app was installed so this authority is null, 9301 * Ignore it as we don't have to unregister the provider. 9302 */ 9303 continue; 9304 } 9305 String names[] = p.info.authority.split(";"); 9306 for (int j = 0; j < names.length; j++) { 9307 if (mProvidersByAuthority.get(names[j]) == p) { 9308 mProvidersByAuthority.remove(names[j]); 9309 if (DEBUG_REMOVE) { 9310 if (chatty) 9311 Log.d(TAG, "Unregistered content provider: " + names[j] 9312 + ", className = " + p.info.name + ", isSyncable = " 9313 + p.info.isSyncable); 9314 } 9315 } 9316 } 9317 if (DEBUG_REMOVE && chatty) { 9318 if (r == null) { 9319 r = new StringBuilder(256); 9320 } else { 9321 r.append(' '); 9322 } 9323 r.append(p.info.name); 9324 } 9325 } 9326 if (r != null) { 9327 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9328 } 9329 9330 N = pkg.services.size(); 9331 r = null; 9332 for (i=0; i<N; i++) { 9333 PackageParser.Service s = pkg.services.get(i); 9334 mServices.removeService(s); 9335 if (chatty) { 9336 if (r == null) { 9337 r = new StringBuilder(256); 9338 } else { 9339 r.append(' '); 9340 } 9341 r.append(s.info.name); 9342 } 9343 } 9344 if (r != null) { 9345 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9346 } 9347 9348 N = pkg.receivers.size(); 9349 r = null; 9350 for (i=0; i<N; i++) { 9351 PackageParser.Activity a = pkg.receivers.get(i); 9352 mReceivers.removeActivity(a, "receiver"); 9353 if (DEBUG_REMOVE && chatty) { 9354 if (r == null) { 9355 r = new StringBuilder(256); 9356 } else { 9357 r.append(' '); 9358 } 9359 r.append(a.info.name); 9360 } 9361 } 9362 if (r != null) { 9363 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9364 } 9365 9366 N = pkg.activities.size(); 9367 r = null; 9368 for (i=0; i<N; i++) { 9369 PackageParser.Activity a = pkg.activities.get(i); 9370 mActivities.removeActivity(a, "activity"); 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, " Activities: " + r); 9382 } 9383 9384 N = pkg.permissions.size(); 9385 r = null; 9386 for (i=0; i<N; i++) { 9387 PackageParser.Permission p = pkg.permissions.get(i); 9388 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9389 if (bp == null) { 9390 bp = mSettings.mPermissionTrees.get(p.info.name); 9391 } 9392 if (bp != null && bp.perm == p) { 9393 bp.perm = null; 9394 if (DEBUG_REMOVE && chatty) { 9395 if (r == null) { 9396 r = new StringBuilder(256); 9397 } else { 9398 r.append(' '); 9399 } 9400 r.append(p.info.name); 9401 } 9402 } 9403 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9404 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9405 if (appOpPkgs != null) { 9406 appOpPkgs.remove(pkg.packageName); 9407 } 9408 } 9409 } 9410 if (r != null) { 9411 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9412 } 9413 9414 N = pkg.requestedPermissions.size(); 9415 r = null; 9416 for (i=0; i<N; i++) { 9417 String perm = pkg.requestedPermissions.get(i); 9418 BasePermission bp = mSettings.mPermissions.get(perm); 9419 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9420 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9421 if (appOpPkgs != null) { 9422 appOpPkgs.remove(pkg.packageName); 9423 if (appOpPkgs.isEmpty()) { 9424 mAppOpPermissionPackages.remove(perm); 9425 } 9426 } 9427 } 9428 } 9429 if (r != null) { 9430 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9431 } 9432 9433 N = pkg.instrumentation.size(); 9434 r = null; 9435 for (i=0; i<N; i++) { 9436 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9437 mInstrumentation.remove(a.getComponentName()); 9438 if (DEBUG_REMOVE && chatty) { 9439 if (r == null) { 9440 r = new StringBuilder(256); 9441 } else { 9442 r.append(' '); 9443 } 9444 r.append(a.info.name); 9445 } 9446 } 9447 if (r != null) { 9448 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9449 } 9450 9451 r = null; 9452 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9453 // Only system apps can hold shared libraries. 9454 if (pkg.libraryNames != null) { 9455 for (i=0; i<pkg.libraryNames.size(); i++) { 9456 String name = pkg.libraryNames.get(i); 9457 SharedLibraryEntry cur = mSharedLibraries.get(name); 9458 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9459 mSharedLibraries.remove(name); 9460 if (DEBUG_REMOVE && chatty) { 9461 if (r == null) { 9462 r = new StringBuilder(256); 9463 } else { 9464 r.append(' '); 9465 } 9466 r.append(name); 9467 } 9468 } 9469 } 9470 } 9471 } 9472 if (r != null) { 9473 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9474 } 9475 } 9476 9477 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9478 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9479 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9480 return true; 9481 } 9482 } 9483 return false; 9484 } 9485 9486 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9487 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9488 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9489 9490 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9491 // Update the parent permissions 9492 updatePermissionsLPw(pkg.packageName, pkg, flags); 9493 // Update the child permissions 9494 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9495 for (int i = 0; i < childCount; i++) { 9496 PackageParser.Package childPkg = pkg.childPackages.get(i); 9497 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9498 } 9499 } 9500 9501 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9502 int flags) { 9503 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9504 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9505 } 9506 9507 private void updatePermissionsLPw(String changingPkg, 9508 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9509 // Make sure there are no dangling permission trees. 9510 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9511 while (it.hasNext()) { 9512 final BasePermission bp = it.next(); 9513 if (bp.packageSetting == null) { 9514 // We may not yet have parsed the package, so just see if 9515 // we still know about its settings. 9516 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9517 } 9518 if (bp.packageSetting == null) { 9519 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9520 + " from package " + bp.sourcePackage); 9521 it.remove(); 9522 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9523 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9524 Slog.i(TAG, "Removing old permission tree: " + bp.name 9525 + " from package " + bp.sourcePackage); 9526 flags |= UPDATE_PERMISSIONS_ALL; 9527 it.remove(); 9528 } 9529 } 9530 } 9531 9532 // Make sure all dynamic permissions have been assigned to a package, 9533 // and make sure there are no dangling permissions. 9534 it = mSettings.mPermissions.values().iterator(); 9535 while (it.hasNext()) { 9536 final BasePermission bp = it.next(); 9537 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9538 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9539 + bp.name + " pkg=" + bp.sourcePackage 9540 + " info=" + bp.pendingInfo); 9541 if (bp.packageSetting == null && bp.pendingInfo != null) { 9542 final BasePermission tree = findPermissionTreeLP(bp.name); 9543 if (tree != null && tree.perm != null) { 9544 bp.packageSetting = tree.packageSetting; 9545 bp.perm = new PackageParser.Permission(tree.perm.owner, 9546 new PermissionInfo(bp.pendingInfo)); 9547 bp.perm.info.packageName = tree.perm.info.packageName; 9548 bp.perm.info.name = bp.name; 9549 bp.uid = tree.uid; 9550 } 9551 } 9552 } 9553 if (bp.packageSetting == null) { 9554 // We may not yet have parsed the package, so just see if 9555 // we still know about its settings. 9556 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9557 } 9558 if (bp.packageSetting == null) { 9559 Slog.w(TAG, "Removing dangling permission: " + bp.name 9560 + " from package " + bp.sourcePackage); 9561 it.remove(); 9562 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9563 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9564 Slog.i(TAG, "Removing old permission: " + bp.name 9565 + " from package " + bp.sourcePackage); 9566 flags |= UPDATE_PERMISSIONS_ALL; 9567 it.remove(); 9568 } 9569 } 9570 } 9571 9572 // Now update the permissions for all packages, in particular 9573 // replace the granted permissions of the system packages. 9574 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9575 for (PackageParser.Package pkg : mPackages.values()) { 9576 if (pkg != pkgInfo) { 9577 // Only replace for packages on requested volume 9578 final String volumeUuid = getVolumeUuidForPackage(pkg); 9579 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9580 && Objects.equals(replaceVolumeUuid, volumeUuid); 9581 grantPermissionsLPw(pkg, replace, changingPkg); 9582 } 9583 } 9584 } 9585 9586 if (pkgInfo != null) { 9587 // Only replace for packages on requested volume 9588 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9589 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9590 && Objects.equals(replaceVolumeUuid, volumeUuid); 9591 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9592 } 9593 } 9594 9595 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9596 String packageOfInterest) { 9597 // IMPORTANT: There are two types of permissions: install and runtime. 9598 // Install time permissions are granted when the app is installed to 9599 // all device users and users added in the future. Runtime permissions 9600 // are granted at runtime explicitly to specific users. Normal and signature 9601 // protected permissions are install time permissions. Dangerous permissions 9602 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9603 // otherwise they are runtime permissions. This function does not manage 9604 // runtime permissions except for the case an app targeting Lollipop MR1 9605 // being upgraded to target a newer SDK, in which case dangerous permissions 9606 // are transformed from install time to runtime ones. 9607 9608 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9609 if (ps == null) { 9610 return; 9611 } 9612 9613 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9614 9615 PermissionsState permissionsState = ps.getPermissionsState(); 9616 PermissionsState origPermissions = permissionsState; 9617 9618 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9619 9620 boolean runtimePermissionsRevoked = false; 9621 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9622 9623 boolean changedInstallPermission = false; 9624 9625 if (replace) { 9626 ps.installPermissionsFixed = false; 9627 if (!ps.isSharedUser()) { 9628 origPermissions = new PermissionsState(permissionsState); 9629 permissionsState.reset(); 9630 } else { 9631 // We need to know only about runtime permission changes since the 9632 // calling code always writes the install permissions state but 9633 // the runtime ones are written only if changed. The only cases of 9634 // changed runtime permissions here are promotion of an install to 9635 // runtime and revocation of a runtime from a shared user. 9636 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9637 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9638 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9639 runtimePermissionsRevoked = true; 9640 } 9641 } 9642 } 9643 9644 permissionsState.setGlobalGids(mGlobalGids); 9645 9646 final int N = pkg.requestedPermissions.size(); 9647 for (int i=0; i<N; i++) { 9648 final String name = pkg.requestedPermissions.get(i); 9649 final BasePermission bp = mSettings.mPermissions.get(name); 9650 9651 if (DEBUG_INSTALL) { 9652 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9653 } 9654 9655 if (bp == null || bp.packageSetting == null) { 9656 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9657 Slog.w(TAG, "Unknown permission " + name 9658 + " in package " + pkg.packageName); 9659 } 9660 continue; 9661 } 9662 9663 final String perm = bp.name; 9664 boolean allowedSig = false; 9665 int grant = GRANT_DENIED; 9666 9667 // Keep track of app op permissions. 9668 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9669 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9670 if (pkgs == null) { 9671 pkgs = new ArraySet<>(); 9672 mAppOpPermissionPackages.put(bp.name, pkgs); 9673 } 9674 pkgs.add(pkg.packageName); 9675 } 9676 9677 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9678 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9679 >= Build.VERSION_CODES.M; 9680 switch (level) { 9681 case PermissionInfo.PROTECTION_NORMAL: { 9682 // For all apps normal permissions are install time ones. 9683 grant = GRANT_INSTALL; 9684 } break; 9685 9686 case PermissionInfo.PROTECTION_DANGEROUS: { 9687 // If a permission review is required for legacy apps we represent 9688 // their permissions as always granted runtime ones since we need 9689 // to keep the review required permission flag per user while an 9690 // install permission's state is shared across all users. 9691 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9692 // For legacy apps dangerous permissions are install time ones. 9693 grant = GRANT_INSTALL; 9694 } else if (origPermissions.hasInstallPermission(bp.name)) { 9695 // For legacy apps that became modern, install becomes runtime. 9696 grant = GRANT_UPGRADE; 9697 } else if (mPromoteSystemApps 9698 && isSystemApp(ps) 9699 && mExistingSystemPackages.contains(ps.name)) { 9700 // For legacy system apps, install becomes runtime. 9701 // We cannot check hasInstallPermission() for system apps since those 9702 // permissions were granted implicitly and not persisted pre-M. 9703 grant = GRANT_UPGRADE; 9704 } else { 9705 // For modern apps keep runtime permissions unchanged. 9706 grant = GRANT_RUNTIME; 9707 } 9708 } break; 9709 9710 case PermissionInfo.PROTECTION_SIGNATURE: { 9711 // For all apps signature permissions are install time ones. 9712 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9713 if (allowedSig) { 9714 grant = GRANT_INSTALL; 9715 } 9716 } break; 9717 } 9718 9719 if (DEBUG_INSTALL) { 9720 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9721 } 9722 9723 if (grant != GRANT_DENIED) { 9724 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9725 // If this is an existing, non-system package, then 9726 // we can't add any new permissions to it. 9727 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9728 // Except... if this is a permission that was added 9729 // to the platform (note: need to only do this when 9730 // updating the platform). 9731 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9732 grant = GRANT_DENIED; 9733 } 9734 } 9735 } 9736 9737 switch (grant) { 9738 case GRANT_INSTALL: { 9739 // Revoke this as runtime permission to handle the case of 9740 // a runtime permission being downgraded to an install one. 9741 // Also in permission review mode we keep dangerous permissions 9742 // for legacy apps 9743 for (int userId : UserManagerService.getInstance().getUserIds()) { 9744 if (origPermissions.getRuntimePermissionState( 9745 bp.name, userId) != null) { 9746 // Revoke the runtime permission and clear the flags. 9747 origPermissions.revokeRuntimePermission(bp, userId); 9748 origPermissions.updatePermissionFlags(bp, userId, 9749 PackageManager.MASK_PERMISSION_FLAGS, 0); 9750 // If we revoked a permission permission, we have to write. 9751 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9752 changedRuntimePermissionUserIds, userId); 9753 } 9754 } 9755 // Grant an install permission. 9756 if (permissionsState.grantInstallPermission(bp) != 9757 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9758 changedInstallPermission = true; 9759 } 9760 } break; 9761 9762 case GRANT_RUNTIME: { 9763 // Grant previously granted runtime permissions. 9764 for (int userId : UserManagerService.getInstance().getUserIds()) { 9765 PermissionState permissionState = origPermissions 9766 .getRuntimePermissionState(bp.name, userId); 9767 int flags = permissionState != null 9768 ? permissionState.getFlags() : 0; 9769 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9770 if (permissionsState.grantRuntimePermission(bp, userId) == 9771 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9772 // If we cannot put the permission as it was, we have to write. 9773 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9774 changedRuntimePermissionUserIds, userId); 9775 } 9776 // If the app supports runtime permissions no need for a review. 9777 if (Build.PERMISSIONS_REVIEW_REQUIRED 9778 && appSupportsRuntimePermissions 9779 && (flags & PackageManager 9780 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9781 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9782 // Since we changed the flags, we have to write. 9783 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9784 changedRuntimePermissionUserIds, userId); 9785 } 9786 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9787 && !appSupportsRuntimePermissions) { 9788 // For legacy apps that need a permission review, every new 9789 // runtime permission is granted but it is pending a review. 9790 // We also need to review only platform defined runtime 9791 // permissions as these are the only ones the platform knows 9792 // how to disable the API to simulate revocation as legacy 9793 // apps don't expect to run with revoked permissions. 9794 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9795 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9796 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9797 // We changed the flags, hence have to write. 9798 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9799 changedRuntimePermissionUserIds, userId); 9800 } 9801 } 9802 if (permissionsState.grantRuntimePermission(bp, userId) 9803 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9804 // We changed the permission, hence have to write. 9805 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9806 changedRuntimePermissionUserIds, userId); 9807 } 9808 } 9809 // Propagate the permission flags. 9810 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9811 } 9812 } break; 9813 9814 case GRANT_UPGRADE: { 9815 // Grant runtime permissions for a previously held install permission. 9816 PermissionState permissionState = origPermissions 9817 .getInstallPermissionState(bp.name); 9818 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9819 9820 if (origPermissions.revokeInstallPermission(bp) 9821 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9822 // We will be transferring the permission flags, so clear them. 9823 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9824 PackageManager.MASK_PERMISSION_FLAGS, 0); 9825 changedInstallPermission = true; 9826 } 9827 9828 // If the permission is not to be promoted to runtime we ignore it and 9829 // also its other flags as they are not applicable to install permissions. 9830 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9831 for (int userId : currentUserIds) { 9832 if (permissionsState.grantRuntimePermission(bp, userId) != 9833 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9834 // Transfer the permission flags. 9835 permissionsState.updatePermissionFlags(bp, userId, 9836 flags, flags); 9837 // If we granted the permission, we have to write. 9838 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9839 changedRuntimePermissionUserIds, userId); 9840 } 9841 } 9842 } 9843 } break; 9844 9845 default: { 9846 if (packageOfInterest == null 9847 || packageOfInterest.equals(pkg.packageName)) { 9848 Slog.w(TAG, "Not granting permission " + perm 9849 + " to package " + pkg.packageName 9850 + " because it was previously installed without"); 9851 } 9852 } break; 9853 } 9854 } else { 9855 if (permissionsState.revokeInstallPermission(bp) != 9856 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9857 // Also drop the permission flags. 9858 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9859 PackageManager.MASK_PERMISSION_FLAGS, 0); 9860 changedInstallPermission = true; 9861 Slog.i(TAG, "Un-granting permission " + perm 9862 + " from package " + pkg.packageName 9863 + " (protectionLevel=" + bp.protectionLevel 9864 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9865 + ")"); 9866 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9867 // Don't print warning for app op permissions, since it is fine for them 9868 // not to be granted, there is a UI for the user to decide. 9869 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9870 Slog.w(TAG, "Not granting permission " + perm 9871 + " to package " + pkg.packageName 9872 + " (protectionLevel=" + bp.protectionLevel 9873 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9874 + ")"); 9875 } 9876 } 9877 } 9878 } 9879 9880 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9881 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9882 // This is the first that we have heard about this package, so the 9883 // permissions we have now selected are fixed until explicitly 9884 // changed. 9885 ps.installPermissionsFixed = true; 9886 } 9887 9888 // Persist the runtime permissions state for users with changes. If permissions 9889 // were revoked because no app in the shared user declares them we have to 9890 // write synchronously to avoid losing runtime permissions state. 9891 for (int userId : changedRuntimePermissionUserIds) { 9892 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9893 } 9894 9895 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9896 } 9897 9898 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9899 boolean allowed = false; 9900 final int NP = PackageParser.NEW_PERMISSIONS.length; 9901 for (int ip=0; ip<NP; ip++) { 9902 final PackageParser.NewPermissionInfo npi 9903 = PackageParser.NEW_PERMISSIONS[ip]; 9904 if (npi.name.equals(perm) 9905 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9906 allowed = true; 9907 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9908 + pkg.packageName); 9909 break; 9910 } 9911 } 9912 return allowed; 9913 } 9914 9915 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9916 BasePermission bp, PermissionsState origPermissions) { 9917 boolean allowed; 9918 allowed = (compareSignatures( 9919 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9920 == PackageManager.SIGNATURE_MATCH) 9921 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9922 == PackageManager.SIGNATURE_MATCH); 9923 if (!allowed && (bp.protectionLevel 9924 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9925 if (isSystemApp(pkg)) { 9926 // For updated system applications, a system permission 9927 // is granted only if it had been defined by the original application. 9928 if (pkg.isUpdatedSystemApp()) { 9929 final PackageSetting sysPs = mSettings 9930 .getDisabledSystemPkgLPr(pkg.packageName); 9931 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9932 // If the original was granted this permission, we take 9933 // that grant decision as read and propagate it to the 9934 // update. 9935 if (sysPs.isPrivileged()) { 9936 allowed = true; 9937 } 9938 } else { 9939 // The system apk may have been updated with an older 9940 // version of the one on the data partition, but which 9941 // granted a new system permission that it didn't have 9942 // before. In this case we do want to allow the app to 9943 // now get the new permission if the ancestral apk is 9944 // privileged to get it. 9945 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9946 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9947 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9948 allowed = true; 9949 break; 9950 } 9951 } 9952 } 9953 // Also if a privileged parent package on the system image or any of 9954 // its children requested a privileged permission, the updated child 9955 // packages can also get the permission. 9956 if (pkg.parentPackage != null) { 9957 final PackageSetting disabledSysParentPs = mSettings 9958 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9959 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9960 && disabledSysParentPs.isPrivileged()) { 9961 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9962 allowed = true; 9963 } else if (disabledSysParentPs.pkg.childPackages != null) { 9964 final int count = disabledSysParentPs.pkg.childPackages.size(); 9965 for (int i = 0; i < count; i++) { 9966 PackageParser.Package disabledSysChildPkg = 9967 disabledSysParentPs.pkg.childPackages.get(i); 9968 if (isPackageRequestingPermission(disabledSysChildPkg, 9969 perm)) { 9970 allowed = true; 9971 break; 9972 } 9973 } 9974 } 9975 } 9976 } 9977 } 9978 } else { 9979 allowed = isPrivilegedApp(pkg); 9980 } 9981 } 9982 } 9983 if (!allowed) { 9984 if (!allowed && (bp.protectionLevel 9985 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9986 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9987 // If this was a previously normal/dangerous permission that got moved 9988 // to a system permission as part of the runtime permission redesign, then 9989 // we still want to blindly grant it to old apps. 9990 allowed = true; 9991 } 9992 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9993 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9994 // If this permission is to be granted to the system installer and 9995 // this app is an installer, then it gets the permission. 9996 allowed = true; 9997 } 9998 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9999 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10000 // If this permission is to be granted to the system verifier and 10001 // this app is a verifier, then it gets the permission. 10002 allowed = true; 10003 } 10004 if (!allowed && (bp.protectionLevel 10005 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10006 && isSystemApp(pkg)) { 10007 // Any pre-installed system app is allowed to get this permission. 10008 allowed = true; 10009 } 10010 if (!allowed && (bp.protectionLevel 10011 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10012 // For development permissions, a development permission 10013 // is granted only if it was already granted. 10014 allowed = origPermissions.hasInstallPermission(perm); 10015 } 10016 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10017 && pkg.packageName.equals(mSetupWizardPackage)) { 10018 // If this permission is to be granted to the system setup wizard and 10019 // this app is a setup wizard, then it gets the permission. 10020 allowed = true; 10021 } 10022 } 10023 return allowed; 10024 } 10025 10026 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10027 final int permCount = pkg.requestedPermissions.size(); 10028 for (int j = 0; j < permCount; j++) { 10029 String requestedPermission = pkg.requestedPermissions.get(j); 10030 if (permission.equals(requestedPermission)) { 10031 return true; 10032 } 10033 } 10034 return false; 10035 } 10036 10037 final class ActivityIntentResolver 10038 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10039 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10040 boolean defaultOnly, int userId) { 10041 if (!sUserManager.exists(userId)) return null; 10042 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10043 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10044 } 10045 10046 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10047 int userId) { 10048 if (!sUserManager.exists(userId)) return null; 10049 mFlags = flags; 10050 return super.queryIntent(intent, resolvedType, 10051 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10052 } 10053 10054 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10055 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10056 if (!sUserManager.exists(userId)) return null; 10057 if (packageActivities == null) { 10058 return null; 10059 } 10060 mFlags = flags; 10061 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10062 final int N = packageActivities.size(); 10063 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10064 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10065 10066 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10067 for (int i = 0; i < N; ++i) { 10068 intentFilters = packageActivities.get(i).intents; 10069 if (intentFilters != null && intentFilters.size() > 0) { 10070 PackageParser.ActivityIntentInfo[] array = 10071 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10072 intentFilters.toArray(array); 10073 listCut.add(array); 10074 } 10075 } 10076 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10077 } 10078 10079 /** 10080 * Finds a privileged activity that matches the specified activity names. 10081 */ 10082 private PackageParser.Activity findMatchingActivity( 10083 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10084 for (PackageParser.Activity sysActivity : activityList) { 10085 if (sysActivity.info.name.equals(activityInfo.name)) { 10086 return sysActivity; 10087 } 10088 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10089 return sysActivity; 10090 } 10091 if (sysActivity.info.targetActivity != null) { 10092 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10093 return sysActivity; 10094 } 10095 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10096 return sysActivity; 10097 } 10098 } 10099 } 10100 return null; 10101 } 10102 10103 public class IterGenerator<E> { 10104 public Iterator<E> generate(ActivityIntentInfo info) { 10105 return null; 10106 } 10107 } 10108 10109 public class ActionIterGenerator extends IterGenerator<String> { 10110 @Override 10111 public Iterator<String> generate(ActivityIntentInfo info) { 10112 return info.actionsIterator(); 10113 } 10114 } 10115 10116 public class CategoriesIterGenerator extends IterGenerator<String> { 10117 @Override 10118 public Iterator<String> generate(ActivityIntentInfo info) { 10119 return info.categoriesIterator(); 10120 } 10121 } 10122 10123 public class SchemesIterGenerator extends IterGenerator<String> { 10124 @Override 10125 public Iterator<String> generate(ActivityIntentInfo info) { 10126 return info.schemesIterator(); 10127 } 10128 } 10129 10130 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10131 @Override 10132 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10133 return info.authoritiesIterator(); 10134 } 10135 } 10136 10137 /** 10138 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10139 * MODIFIED. Do not pass in a list that should not be changed. 10140 */ 10141 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10142 IterGenerator<T> generator, Iterator<T> searchIterator) { 10143 // loop through the set of actions; every one must be found in the intent filter 10144 while (searchIterator.hasNext()) { 10145 // we must have at least one filter in the list to consider a match 10146 if (intentList.size() == 0) { 10147 break; 10148 } 10149 10150 final T searchAction = searchIterator.next(); 10151 10152 // loop through the set of intent filters 10153 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10154 while (intentIter.hasNext()) { 10155 final ActivityIntentInfo intentInfo = intentIter.next(); 10156 boolean selectionFound = false; 10157 10158 // loop through the intent filter's selection criteria; at least one 10159 // of them must match the searched criteria 10160 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10161 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10162 final T intentSelection = intentSelectionIter.next(); 10163 if (intentSelection != null && intentSelection.equals(searchAction)) { 10164 selectionFound = true; 10165 break; 10166 } 10167 } 10168 10169 // the selection criteria wasn't found in this filter's set; this filter 10170 // is not a potential match 10171 if (!selectionFound) { 10172 intentIter.remove(); 10173 } 10174 } 10175 } 10176 } 10177 10178 private boolean isProtectedAction(ActivityIntentInfo filter) { 10179 final Iterator<String> actionsIter = filter.actionsIterator(); 10180 while (actionsIter != null && actionsIter.hasNext()) { 10181 final String filterAction = actionsIter.next(); 10182 if (PROTECTED_ACTIONS.contains(filterAction)) { 10183 return true; 10184 } 10185 } 10186 return false; 10187 } 10188 10189 /** 10190 * Adjusts the priority of the given intent filter according to policy. 10191 * <p> 10192 * <ul> 10193 * <li>The priority for non privileged applications is capped to '0'</li> 10194 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10195 * <li>The priority for unbundled updates to privileged applications is capped to the 10196 * priority defined on the system partition</li> 10197 * </ul> 10198 * <p> 10199 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10200 * allowed to obtain any priority on any action. 10201 */ 10202 private void adjustPriority( 10203 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10204 // nothing to do; priority is fine as-is 10205 if (intent.getPriority() <= 0) { 10206 return; 10207 } 10208 10209 final ActivityInfo activityInfo = intent.activity.info; 10210 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10211 10212 final boolean privilegedApp = 10213 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10214 if (!privilegedApp) { 10215 // non-privileged applications can never define a priority >0 10216 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10217 + " package: " + applicationInfo.packageName 10218 + " activity: " + intent.activity.className 10219 + " origPrio: " + intent.getPriority()); 10220 intent.setPriority(0); 10221 return; 10222 } 10223 10224 if (systemActivities == null) { 10225 // the system package is not disabled; we're parsing the system partition 10226 if (isProtectedAction(intent)) { 10227 if (mDeferProtectedFilters) { 10228 // We can't deal with these just yet. No component should ever obtain a 10229 // >0 priority for a protected actions, with ONE exception -- the setup 10230 // wizard. The setup wizard, however, cannot be known until we're able to 10231 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10232 // until all intent filters have been processed. Chicken, meet egg. 10233 // Let the filter temporarily have a high priority and rectify the 10234 // priorities after all system packages have been scanned. 10235 mProtectedFilters.add(intent); 10236 if (DEBUG_FILTERS) { 10237 Slog.i(TAG, "Protected action; save for later;" 10238 + " package: " + applicationInfo.packageName 10239 + " activity: " + intent.activity.className 10240 + " origPrio: " + intent.getPriority()); 10241 } 10242 return; 10243 } else { 10244 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10245 Slog.i(TAG, "No setup wizard;" 10246 + " All protected intents capped to priority 0"); 10247 } 10248 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10249 if (DEBUG_FILTERS) { 10250 Slog.i(TAG, "Found setup wizard;" 10251 + " allow priority " + intent.getPriority() + ";" 10252 + " package: " + intent.activity.info.packageName 10253 + " activity: " + intent.activity.className 10254 + " priority: " + intent.getPriority()); 10255 } 10256 // setup wizard gets whatever it wants 10257 return; 10258 } 10259 Slog.w(TAG, "Protected action; cap priority to 0;" 10260 + " package: " + intent.activity.info.packageName 10261 + " activity: " + intent.activity.className 10262 + " origPrio: " + intent.getPriority()); 10263 intent.setPriority(0); 10264 return; 10265 } 10266 } 10267 // privileged apps on the system image get whatever priority they request 10268 return; 10269 } 10270 10271 // privileged app unbundled update ... try to find the same activity 10272 final PackageParser.Activity foundActivity = 10273 findMatchingActivity(systemActivities, activityInfo); 10274 if (foundActivity == null) { 10275 // this is a new activity; it cannot obtain >0 priority 10276 if (DEBUG_FILTERS) { 10277 Slog.i(TAG, "New activity; cap priority to 0;" 10278 + " package: " + applicationInfo.packageName 10279 + " activity: " + intent.activity.className 10280 + " origPrio: " + intent.getPriority()); 10281 } 10282 intent.setPriority(0); 10283 return; 10284 } 10285 10286 // found activity, now check for filter equivalence 10287 10288 // a shallow copy is enough; we modify the list, not its contents 10289 final List<ActivityIntentInfo> intentListCopy = 10290 new ArrayList<>(foundActivity.intents); 10291 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10292 10293 // find matching action subsets 10294 final Iterator<String> actionsIterator = intent.actionsIterator(); 10295 if (actionsIterator != null) { 10296 getIntentListSubset( 10297 intentListCopy, new ActionIterGenerator(), actionsIterator); 10298 if (intentListCopy.size() == 0) { 10299 // no more intents to match; we're not equivalent 10300 if (DEBUG_FILTERS) { 10301 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10302 + " package: " + applicationInfo.packageName 10303 + " activity: " + intent.activity.className 10304 + " origPrio: " + intent.getPriority()); 10305 } 10306 intent.setPriority(0); 10307 return; 10308 } 10309 } 10310 10311 // find matching category subsets 10312 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10313 if (categoriesIterator != null) { 10314 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10315 categoriesIterator); 10316 if (intentListCopy.size() == 0) { 10317 // no more intents to match; we're not equivalent 10318 if (DEBUG_FILTERS) { 10319 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10320 + " package: " + applicationInfo.packageName 10321 + " activity: " + intent.activity.className 10322 + " origPrio: " + intent.getPriority()); 10323 } 10324 intent.setPriority(0); 10325 return; 10326 } 10327 } 10328 10329 // find matching schemes subsets 10330 final Iterator<String> schemesIterator = intent.schemesIterator(); 10331 if (schemesIterator != null) { 10332 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10333 schemesIterator); 10334 if (intentListCopy.size() == 0) { 10335 // no more intents to match; we're not equivalent 10336 if (DEBUG_FILTERS) { 10337 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10338 + " package: " + applicationInfo.packageName 10339 + " activity: " + intent.activity.className 10340 + " origPrio: " + intent.getPriority()); 10341 } 10342 intent.setPriority(0); 10343 return; 10344 } 10345 } 10346 10347 // find matching authorities subsets 10348 final Iterator<IntentFilter.AuthorityEntry> 10349 authoritiesIterator = intent.authoritiesIterator(); 10350 if (authoritiesIterator != null) { 10351 getIntentListSubset(intentListCopy, 10352 new AuthoritiesIterGenerator(), 10353 authoritiesIterator); 10354 if (intentListCopy.size() == 0) { 10355 // no more intents to match; we're not equivalent 10356 if (DEBUG_FILTERS) { 10357 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10358 + " package: " + applicationInfo.packageName 10359 + " activity: " + intent.activity.className 10360 + " origPrio: " + intent.getPriority()); 10361 } 10362 intent.setPriority(0); 10363 return; 10364 } 10365 } 10366 10367 // we found matching filter(s); app gets the max priority of all intents 10368 int cappedPriority = 0; 10369 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10370 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10371 } 10372 if (intent.getPriority() > cappedPriority) { 10373 if (DEBUG_FILTERS) { 10374 Slog.i(TAG, "Found matching filter(s);" 10375 + " cap priority to " + cappedPriority + ";" 10376 + " package: " + applicationInfo.packageName 10377 + " activity: " + intent.activity.className 10378 + " origPrio: " + intent.getPriority()); 10379 } 10380 intent.setPriority(cappedPriority); 10381 return; 10382 } 10383 // all this for nothing; the requested priority was <= what was on the system 10384 } 10385 10386 public final void addActivity(PackageParser.Activity a, String type) { 10387 mActivities.put(a.getComponentName(), a); 10388 if (DEBUG_SHOW_INFO) 10389 Log.v( 10390 TAG, " " + type + " " + 10391 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10392 if (DEBUG_SHOW_INFO) 10393 Log.v(TAG, " Class=" + a.info.name); 10394 final int NI = a.intents.size(); 10395 for (int j=0; j<NI; j++) { 10396 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10397 if ("activity".equals(type)) { 10398 final PackageSetting ps = 10399 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10400 final List<PackageParser.Activity> systemActivities = 10401 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10402 adjustPriority(systemActivities, intent); 10403 } 10404 if (DEBUG_SHOW_INFO) { 10405 Log.v(TAG, " IntentFilter:"); 10406 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10407 } 10408 if (!intent.debugCheck()) { 10409 Log.w(TAG, "==> For Activity " + a.info.name); 10410 } 10411 addFilter(intent); 10412 } 10413 } 10414 10415 public final void removeActivity(PackageParser.Activity a, String type) { 10416 mActivities.remove(a.getComponentName()); 10417 if (DEBUG_SHOW_INFO) { 10418 Log.v(TAG, " " + type + " " 10419 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10420 : a.info.name) + ":"); 10421 Log.v(TAG, " Class=" + a.info.name); 10422 } 10423 final int NI = a.intents.size(); 10424 for (int j=0; j<NI; j++) { 10425 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10426 if (DEBUG_SHOW_INFO) { 10427 Log.v(TAG, " IntentFilter:"); 10428 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10429 } 10430 removeFilter(intent); 10431 } 10432 } 10433 10434 @Override 10435 protected boolean allowFilterResult( 10436 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10437 ActivityInfo filterAi = filter.activity.info; 10438 for (int i=dest.size()-1; i>=0; i--) { 10439 ActivityInfo destAi = dest.get(i).activityInfo; 10440 if (destAi.name == filterAi.name 10441 && destAi.packageName == filterAi.packageName) { 10442 return false; 10443 } 10444 } 10445 return true; 10446 } 10447 10448 @Override 10449 protected ActivityIntentInfo[] newArray(int size) { 10450 return new ActivityIntentInfo[size]; 10451 } 10452 10453 @Override 10454 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10455 if (!sUserManager.exists(userId)) return true; 10456 PackageParser.Package p = filter.activity.owner; 10457 if (p != null) { 10458 PackageSetting ps = (PackageSetting)p.mExtras; 10459 if (ps != null) { 10460 // System apps are never considered stopped for purposes of 10461 // filtering, because there may be no way for the user to 10462 // actually re-launch them. 10463 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10464 && ps.getStopped(userId); 10465 } 10466 } 10467 return false; 10468 } 10469 10470 @Override 10471 protected boolean isPackageForFilter(String packageName, 10472 PackageParser.ActivityIntentInfo info) { 10473 return packageName.equals(info.activity.owner.packageName); 10474 } 10475 10476 @Override 10477 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10478 int match, int userId) { 10479 if (!sUserManager.exists(userId)) return null; 10480 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10481 return null; 10482 } 10483 final PackageParser.Activity activity = info.activity; 10484 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10485 if (ps == null) { 10486 return null; 10487 } 10488 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10489 ps.readUserState(userId), userId); 10490 if (ai == null) { 10491 return null; 10492 } 10493 final ResolveInfo res = new ResolveInfo(); 10494 res.activityInfo = ai; 10495 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10496 res.filter = info; 10497 } 10498 if (info != null) { 10499 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10500 } 10501 res.priority = info.getPriority(); 10502 res.preferredOrder = activity.owner.mPreferredOrder; 10503 //System.out.println("Result: " + res.activityInfo.className + 10504 // " = " + res.priority); 10505 res.match = match; 10506 res.isDefault = info.hasDefault; 10507 res.labelRes = info.labelRes; 10508 res.nonLocalizedLabel = info.nonLocalizedLabel; 10509 if (userNeedsBadging(userId)) { 10510 res.noResourceId = true; 10511 } else { 10512 res.icon = info.icon; 10513 } 10514 res.iconResourceId = info.icon; 10515 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10516 return res; 10517 } 10518 10519 @Override 10520 protected void sortResults(List<ResolveInfo> results) { 10521 Collections.sort(results, mResolvePrioritySorter); 10522 } 10523 10524 @Override 10525 protected void dumpFilter(PrintWriter out, String prefix, 10526 PackageParser.ActivityIntentInfo filter) { 10527 out.print(prefix); out.print( 10528 Integer.toHexString(System.identityHashCode(filter.activity))); 10529 out.print(' '); 10530 filter.activity.printComponentShortName(out); 10531 out.print(" filter "); 10532 out.println(Integer.toHexString(System.identityHashCode(filter))); 10533 } 10534 10535 @Override 10536 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10537 return filter.activity; 10538 } 10539 10540 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10541 PackageParser.Activity activity = (PackageParser.Activity)label; 10542 out.print(prefix); out.print( 10543 Integer.toHexString(System.identityHashCode(activity))); 10544 out.print(' '); 10545 activity.printComponentShortName(out); 10546 if (count > 1) { 10547 out.print(" ("); out.print(count); out.print(" filters)"); 10548 } 10549 out.println(); 10550 } 10551 10552 // Keys are String (activity class name), values are Activity. 10553 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10554 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10555 private int mFlags; 10556 } 10557 10558 private final class ServiceIntentResolver 10559 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10560 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10561 boolean defaultOnly, int userId) { 10562 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10563 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10564 } 10565 10566 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10567 int userId) { 10568 if (!sUserManager.exists(userId)) return null; 10569 mFlags = flags; 10570 return super.queryIntent(intent, resolvedType, 10571 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10572 } 10573 10574 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10575 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10576 if (!sUserManager.exists(userId)) return null; 10577 if (packageServices == null) { 10578 return null; 10579 } 10580 mFlags = flags; 10581 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10582 final int N = packageServices.size(); 10583 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10584 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10585 10586 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10587 for (int i = 0; i < N; ++i) { 10588 intentFilters = packageServices.get(i).intents; 10589 if (intentFilters != null && intentFilters.size() > 0) { 10590 PackageParser.ServiceIntentInfo[] array = 10591 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10592 intentFilters.toArray(array); 10593 listCut.add(array); 10594 } 10595 } 10596 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10597 } 10598 10599 public final void addService(PackageParser.Service s) { 10600 mServices.put(s.getComponentName(), s); 10601 if (DEBUG_SHOW_INFO) { 10602 Log.v(TAG, " " 10603 + (s.info.nonLocalizedLabel != null 10604 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10605 Log.v(TAG, " Class=" + s.info.name); 10606 } 10607 final int NI = s.intents.size(); 10608 int j; 10609 for (j=0; j<NI; j++) { 10610 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10611 if (DEBUG_SHOW_INFO) { 10612 Log.v(TAG, " IntentFilter:"); 10613 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10614 } 10615 if (!intent.debugCheck()) { 10616 Log.w(TAG, "==> For Service " + s.info.name); 10617 } 10618 addFilter(intent); 10619 } 10620 } 10621 10622 public final void removeService(PackageParser.Service s) { 10623 mServices.remove(s.getComponentName()); 10624 if (DEBUG_SHOW_INFO) { 10625 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10626 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10627 Log.v(TAG, " Class=" + s.info.name); 10628 } 10629 final int NI = s.intents.size(); 10630 int j; 10631 for (j=0; j<NI; j++) { 10632 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10633 if (DEBUG_SHOW_INFO) { 10634 Log.v(TAG, " IntentFilter:"); 10635 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10636 } 10637 removeFilter(intent); 10638 } 10639 } 10640 10641 @Override 10642 protected boolean allowFilterResult( 10643 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10644 ServiceInfo filterSi = filter.service.info; 10645 for (int i=dest.size()-1; i>=0; i--) { 10646 ServiceInfo destAi = dest.get(i).serviceInfo; 10647 if (destAi.name == filterSi.name 10648 && destAi.packageName == filterSi.packageName) { 10649 return false; 10650 } 10651 } 10652 return true; 10653 } 10654 10655 @Override 10656 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10657 return new PackageParser.ServiceIntentInfo[size]; 10658 } 10659 10660 @Override 10661 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10662 if (!sUserManager.exists(userId)) return true; 10663 PackageParser.Package p = filter.service.owner; 10664 if (p != null) { 10665 PackageSetting ps = (PackageSetting)p.mExtras; 10666 if (ps != null) { 10667 // System apps are never considered stopped for purposes of 10668 // filtering, because there may be no way for the user to 10669 // actually re-launch them. 10670 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10671 && ps.getStopped(userId); 10672 } 10673 } 10674 return false; 10675 } 10676 10677 @Override 10678 protected boolean isPackageForFilter(String packageName, 10679 PackageParser.ServiceIntentInfo info) { 10680 return packageName.equals(info.service.owner.packageName); 10681 } 10682 10683 @Override 10684 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10685 int match, int userId) { 10686 if (!sUserManager.exists(userId)) return null; 10687 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10688 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10689 return null; 10690 } 10691 final PackageParser.Service service = info.service; 10692 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10693 if (ps == null) { 10694 return null; 10695 } 10696 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10697 ps.readUserState(userId), userId); 10698 if (si == null) { 10699 return null; 10700 } 10701 final ResolveInfo res = new ResolveInfo(); 10702 res.serviceInfo = si; 10703 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10704 res.filter = filter; 10705 } 10706 res.priority = info.getPriority(); 10707 res.preferredOrder = service.owner.mPreferredOrder; 10708 res.match = match; 10709 res.isDefault = info.hasDefault; 10710 res.labelRes = info.labelRes; 10711 res.nonLocalizedLabel = info.nonLocalizedLabel; 10712 res.icon = info.icon; 10713 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10714 return res; 10715 } 10716 10717 @Override 10718 protected void sortResults(List<ResolveInfo> results) { 10719 Collections.sort(results, mResolvePrioritySorter); 10720 } 10721 10722 @Override 10723 protected void dumpFilter(PrintWriter out, String prefix, 10724 PackageParser.ServiceIntentInfo filter) { 10725 out.print(prefix); out.print( 10726 Integer.toHexString(System.identityHashCode(filter.service))); 10727 out.print(' '); 10728 filter.service.printComponentShortName(out); 10729 out.print(" filter "); 10730 out.println(Integer.toHexString(System.identityHashCode(filter))); 10731 } 10732 10733 @Override 10734 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10735 return filter.service; 10736 } 10737 10738 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10739 PackageParser.Service service = (PackageParser.Service)label; 10740 out.print(prefix); out.print( 10741 Integer.toHexString(System.identityHashCode(service))); 10742 out.print(' '); 10743 service.printComponentShortName(out); 10744 if (count > 1) { 10745 out.print(" ("); out.print(count); out.print(" filters)"); 10746 } 10747 out.println(); 10748 } 10749 10750// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10751// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10752// final List<ResolveInfo> retList = Lists.newArrayList(); 10753// while (i.hasNext()) { 10754// final ResolveInfo resolveInfo = (ResolveInfo) i; 10755// if (isEnabledLP(resolveInfo.serviceInfo)) { 10756// retList.add(resolveInfo); 10757// } 10758// } 10759// return retList; 10760// } 10761 10762 // Keys are String (activity class name), values are Activity. 10763 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10764 = new ArrayMap<ComponentName, PackageParser.Service>(); 10765 private int mFlags; 10766 }; 10767 10768 private final class ProviderIntentResolver 10769 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10770 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10771 boolean defaultOnly, int userId) { 10772 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10773 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10774 } 10775 10776 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10777 int userId) { 10778 if (!sUserManager.exists(userId)) 10779 return null; 10780 mFlags = flags; 10781 return super.queryIntent(intent, resolvedType, 10782 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10783 } 10784 10785 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10786 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10787 if (!sUserManager.exists(userId)) 10788 return null; 10789 if (packageProviders == null) { 10790 return null; 10791 } 10792 mFlags = flags; 10793 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10794 final int N = packageProviders.size(); 10795 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10796 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10797 10798 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10799 for (int i = 0; i < N; ++i) { 10800 intentFilters = packageProviders.get(i).intents; 10801 if (intentFilters != null && intentFilters.size() > 0) { 10802 PackageParser.ProviderIntentInfo[] array = 10803 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10804 intentFilters.toArray(array); 10805 listCut.add(array); 10806 } 10807 } 10808 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10809 } 10810 10811 public final void addProvider(PackageParser.Provider p) { 10812 if (mProviders.containsKey(p.getComponentName())) { 10813 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10814 return; 10815 } 10816 10817 mProviders.put(p.getComponentName(), p); 10818 if (DEBUG_SHOW_INFO) { 10819 Log.v(TAG, " " 10820 + (p.info.nonLocalizedLabel != null 10821 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10822 Log.v(TAG, " Class=" + p.info.name); 10823 } 10824 final int NI = p.intents.size(); 10825 int j; 10826 for (j = 0; j < NI; j++) { 10827 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10828 if (DEBUG_SHOW_INFO) { 10829 Log.v(TAG, " IntentFilter:"); 10830 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10831 } 10832 if (!intent.debugCheck()) { 10833 Log.w(TAG, "==> For Provider " + p.info.name); 10834 } 10835 addFilter(intent); 10836 } 10837 } 10838 10839 public final void removeProvider(PackageParser.Provider p) { 10840 mProviders.remove(p.getComponentName()); 10841 if (DEBUG_SHOW_INFO) { 10842 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10843 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10844 Log.v(TAG, " Class=" + p.info.name); 10845 } 10846 final int NI = p.intents.size(); 10847 int j; 10848 for (j = 0; j < NI; j++) { 10849 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10850 if (DEBUG_SHOW_INFO) { 10851 Log.v(TAG, " IntentFilter:"); 10852 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10853 } 10854 removeFilter(intent); 10855 } 10856 } 10857 10858 @Override 10859 protected boolean allowFilterResult( 10860 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10861 ProviderInfo filterPi = filter.provider.info; 10862 for (int i = dest.size() - 1; i >= 0; i--) { 10863 ProviderInfo destPi = dest.get(i).providerInfo; 10864 if (destPi.name == filterPi.name 10865 && destPi.packageName == filterPi.packageName) { 10866 return false; 10867 } 10868 } 10869 return true; 10870 } 10871 10872 @Override 10873 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10874 return new PackageParser.ProviderIntentInfo[size]; 10875 } 10876 10877 @Override 10878 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10879 if (!sUserManager.exists(userId)) 10880 return true; 10881 PackageParser.Package p = filter.provider.owner; 10882 if (p != null) { 10883 PackageSetting ps = (PackageSetting) p.mExtras; 10884 if (ps != null) { 10885 // System apps are never considered stopped for purposes of 10886 // filtering, because there may be no way for the user to 10887 // actually re-launch them. 10888 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10889 && ps.getStopped(userId); 10890 } 10891 } 10892 return false; 10893 } 10894 10895 @Override 10896 protected boolean isPackageForFilter(String packageName, 10897 PackageParser.ProviderIntentInfo info) { 10898 return packageName.equals(info.provider.owner.packageName); 10899 } 10900 10901 @Override 10902 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10903 int match, int userId) { 10904 if (!sUserManager.exists(userId)) 10905 return null; 10906 final PackageParser.ProviderIntentInfo info = filter; 10907 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10908 return null; 10909 } 10910 final PackageParser.Provider provider = info.provider; 10911 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10912 if (ps == null) { 10913 return null; 10914 } 10915 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10916 ps.readUserState(userId), userId); 10917 if (pi == null) { 10918 return null; 10919 } 10920 final ResolveInfo res = new ResolveInfo(); 10921 res.providerInfo = pi; 10922 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10923 res.filter = filter; 10924 } 10925 res.priority = info.getPriority(); 10926 res.preferredOrder = provider.owner.mPreferredOrder; 10927 res.match = match; 10928 res.isDefault = info.hasDefault; 10929 res.labelRes = info.labelRes; 10930 res.nonLocalizedLabel = info.nonLocalizedLabel; 10931 res.icon = info.icon; 10932 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10933 return res; 10934 } 10935 10936 @Override 10937 protected void sortResults(List<ResolveInfo> results) { 10938 Collections.sort(results, mResolvePrioritySorter); 10939 } 10940 10941 @Override 10942 protected void dumpFilter(PrintWriter out, String prefix, 10943 PackageParser.ProviderIntentInfo filter) { 10944 out.print(prefix); 10945 out.print( 10946 Integer.toHexString(System.identityHashCode(filter.provider))); 10947 out.print(' '); 10948 filter.provider.printComponentShortName(out); 10949 out.print(" filter "); 10950 out.println(Integer.toHexString(System.identityHashCode(filter))); 10951 } 10952 10953 @Override 10954 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10955 return filter.provider; 10956 } 10957 10958 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10959 PackageParser.Provider provider = (PackageParser.Provider)label; 10960 out.print(prefix); out.print( 10961 Integer.toHexString(System.identityHashCode(provider))); 10962 out.print(' '); 10963 provider.printComponentShortName(out); 10964 if (count > 1) { 10965 out.print(" ("); out.print(count); out.print(" filters)"); 10966 } 10967 out.println(); 10968 } 10969 10970 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10971 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10972 private int mFlags; 10973 } 10974 10975 private static final class EphemeralIntentResolver 10976 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10977 @Override 10978 protected EphemeralResolveIntentInfo[] newArray(int size) { 10979 return new EphemeralResolveIntentInfo[size]; 10980 } 10981 10982 @Override 10983 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10984 return true; 10985 } 10986 10987 @Override 10988 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10989 int userId) { 10990 if (!sUserManager.exists(userId)) { 10991 return null; 10992 } 10993 return info.getEphemeralResolveInfo(); 10994 } 10995 } 10996 10997 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10998 new Comparator<ResolveInfo>() { 10999 public int compare(ResolveInfo r1, ResolveInfo r2) { 11000 int v1 = r1.priority; 11001 int v2 = r2.priority; 11002 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11003 if (v1 != v2) { 11004 return (v1 > v2) ? -1 : 1; 11005 } 11006 v1 = r1.preferredOrder; 11007 v2 = r2.preferredOrder; 11008 if (v1 != v2) { 11009 return (v1 > v2) ? -1 : 1; 11010 } 11011 if (r1.isDefault != r2.isDefault) { 11012 return r1.isDefault ? -1 : 1; 11013 } 11014 v1 = r1.match; 11015 v2 = r2.match; 11016 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11017 if (v1 != v2) { 11018 return (v1 > v2) ? -1 : 1; 11019 } 11020 if (r1.system != r2.system) { 11021 return r1.system ? -1 : 1; 11022 } 11023 if (r1.activityInfo != null) { 11024 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11025 } 11026 if (r1.serviceInfo != null) { 11027 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11028 } 11029 if (r1.providerInfo != null) { 11030 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11031 } 11032 return 0; 11033 } 11034 }; 11035 11036 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11037 new Comparator<ProviderInfo>() { 11038 public int compare(ProviderInfo p1, ProviderInfo p2) { 11039 final int v1 = p1.initOrder; 11040 final int v2 = p2.initOrder; 11041 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11042 } 11043 }; 11044 11045 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11046 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11047 final int[] userIds) { 11048 mHandler.post(new Runnable() { 11049 @Override 11050 public void run() { 11051 try { 11052 final IActivityManager am = ActivityManagerNative.getDefault(); 11053 if (am == null) return; 11054 final int[] resolvedUserIds; 11055 if (userIds == null) { 11056 resolvedUserIds = am.getRunningUserIds(); 11057 } else { 11058 resolvedUserIds = userIds; 11059 } 11060 for (int id : resolvedUserIds) { 11061 final Intent intent = new Intent(action, 11062 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11063 if (extras != null) { 11064 intent.putExtras(extras); 11065 } 11066 if (targetPkg != null) { 11067 intent.setPackage(targetPkg); 11068 } 11069 // Modify the UID when posting to other users 11070 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11071 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11072 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11073 intent.putExtra(Intent.EXTRA_UID, uid); 11074 } 11075 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11076 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11077 if (DEBUG_BROADCASTS) { 11078 RuntimeException here = new RuntimeException("here"); 11079 here.fillInStackTrace(); 11080 Slog.d(TAG, "Sending to user " + id + ": " 11081 + intent.toShortString(false, true, false, false) 11082 + " " + intent.getExtras(), here); 11083 } 11084 am.broadcastIntent(null, intent, null, finishedReceiver, 11085 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11086 null, finishedReceiver != null, false, id); 11087 } 11088 } catch (RemoteException ex) { 11089 } 11090 } 11091 }); 11092 } 11093 11094 /** 11095 * Check if the external storage media is available. This is true if there 11096 * is a mounted external storage medium or if the external storage is 11097 * emulated. 11098 */ 11099 private boolean isExternalMediaAvailable() { 11100 return mMediaMounted || Environment.isExternalStorageEmulated(); 11101 } 11102 11103 @Override 11104 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11105 // writer 11106 synchronized (mPackages) { 11107 if (!isExternalMediaAvailable()) { 11108 // If the external storage is no longer mounted at this point, 11109 // the caller may not have been able to delete all of this 11110 // packages files and can not delete any more. Bail. 11111 return null; 11112 } 11113 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11114 if (lastPackage != null) { 11115 pkgs.remove(lastPackage); 11116 } 11117 if (pkgs.size() > 0) { 11118 return pkgs.get(0); 11119 } 11120 } 11121 return null; 11122 } 11123 11124 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11125 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11126 userId, andCode ? 1 : 0, packageName); 11127 if (mSystemReady) { 11128 msg.sendToTarget(); 11129 } else { 11130 if (mPostSystemReadyMessages == null) { 11131 mPostSystemReadyMessages = new ArrayList<>(); 11132 } 11133 mPostSystemReadyMessages.add(msg); 11134 } 11135 } 11136 11137 void startCleaningPackages() { 11138 // reader 11139 if (!isExternalMediaAvailable()) { 11140 return; 11141 } 11142 synchronized (mPackages) { 11143 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11144 return; 11145 } 11146 } 11147 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11148 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11149 IActivityManager am = ActivityManagerNative.getDefault(); 11150 if (am != null) { 11151 try { 11152 am.startService(null, intent, null, mContext.getOpPackageName(), 11153 UserHandle.USER_SYSTEM); 11154 } catch (RemoteException e) { 11155 } 11156 } 11157 } 11158 11159 @Override 11160 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11161 int installFlags, String installerPackageName, int userId) { 11162 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11163 11164 final int callingUid = Binder.getCallingUid(); 11165 enforceCrossUserPermission(callingUid, userId, 11166 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11167 11168 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11169 try { 11170 if (observer != null) { 11171 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11172 } 11173 } catch (RemoteException re) { 11174 } 11175 return; 11176 } 11177 11178 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11179 installFlags |= PackageManager.INSTALL_FROM_ADB; 11180 11181 } else { 11182 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11183 // about installerPackageName. 11184 11185 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11186 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11187 } 11188 11189 UserHandle user; 11190 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11191 user = UserHandle.ALL; 11192 } else { 11193 user = new UserHandle(userId); 11194 } 11195 11196 // Only system components can circumvent runtime permissions when installing. 11197 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11198 && mContext.checkCallingOrSelfPermission(Manifest.permission 11199 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11200 throw new SecurityException("You need the " 11201 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11202 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11203 } 11204 11205 final File originFile = new File(originPath); 11206 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11207 11208 final Message msg = mHandler.obtainMessage(INIT_COPY); 11209 final VerificationInfo verificationInfo = new VerificationInfo( 11210 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11211 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11212 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11213 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11214 null /*certificates*/); 11215 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11216 msg.obj = params; 11217 11218 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11219 System.identityHashCode(msg.obj)); 11220 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11221 System.identityHashCode(msg.obj)); 11222 11223 mHandler.sendMessage(msg); 11224 } 11225 11226 void installStage(String packageName, File stagedDir, String stagedCid, 11227 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11228 String installerPackageName, int installerUid, UserHandle user, 11229 Certificate[][] certificates) { 11230 if (DEBUG_EPHEMERAL) { 11231 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11232 Slog.d(TAG, "Ephemeral install of " + packageName); 11233 } 11234 } 11235 final VerificationInfo verificationInfo = new VerificationInfo( 11236 sessionParams.originatingUri, sessionParams.referrerUri, 11237 sessionParams.originatingUid, installerUid); 11238 11239 final OriginInfo origin; 11240 if (stagedDir != null) { 11241 origin = OriginInfo.fromStagedFile(stagedDir); 11242 } else { 11243 origin = OriginInfo.fromStagedContainer(stagedCid); 11244 } 11245 11246 final Message msg = mHandler.obtainMessage(INIT_COPY); 11247 final InstallParams params = new InstallParams(origin, null, observer, 11248 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11249 verificationInfo, user, sessionParams.abiOverride, 11250 sessionParams.grantedRuntimePermissions, certificates); 11251 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11252 msg.obj = params; 11253 11254 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11255 System.identityHashCode(msg.obj)); 11256 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11257 System.identityHashCode(msg.obj)); 11258 11259 mHandler.sendMessage(msg); 11260 } 11261 11262 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11263 int userId) { 11264 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11265 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11266 } 11267 11268 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11269 int appId, int userId) { 11270 Bundle extras = new Bundle(1); 11271 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11272 11273 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11274 packageName, extras, 0, null, null, new int[] {userId}); 11275 try { 11276 IActivityManager am = ActivityManagerNative.getDefault(); 11277 if (isSystem && am.isUserRunning(userId, 0)) { 11278 // The just-installed/enabled app is bundled on the system, so presumed 11279 // to be able to run automatically without needing an explicit launch. 11280 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11281 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11282 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11283 .setPackage(packageName); 11284 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11285 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11286 } 11287 } catch (RemoteException e) { 11288 // shouldn't happen 11289 Slog.w(TAG, "Unable to bootstrap installed package", e); 11290 } 11291 } 11292 11293 @Override 11294 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11295 int userId) { 11296 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11297 PackageSetting pkgSetting; 11298 final int uid = Binder.getCallingUid(); 11299 enforceCrossUserPermission(uid, userId, 11300 true /* requireFullPermission */, true /* checkShell */, 11301 "setApplicationHiddenSetting for user " + userId); 11302 11303 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11304 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11305 return false; 11306 } 11307 11308 long callingId = Binder.clearCallingIdentity(); 11309 try { 11310 boolean sendAdded = false; 11311 boolean sendRemoved = false; 11312 // writer 11313 synchronized (mPackages) { 11314 pkgSetting = mSettings.mPackages.get(packageName); 11315 if (pkgSetting == null) { 11316 return false; 11317 } 11318 if (pkgSetting.getHidden(userId) != hidden) { 11319 pkgSetting.setHidden(hidden, userId); 11320 mSettings.writePackageRestrictionsLPr(userId); 11321 if (hidden) { 11322 sendRemoved = true; 11323 } else { 11324 sendAdded = true; 11325 } 11326 } 11327 } 11328 if (sendAdded) { 11329 sendPackageAddedForUser(packageName, pkgSetting, userId); 11330 return true; 11331 } 11332 if (sendRemoved) { 11333 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11334 "hiding pkg"); 11335 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11336 return true; 11337 } 11338 } finally { 11339 Binder.restoreCallingIdentity(callingId); 11340 } 11341 return false; 11342 } 11343 11344 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11345 int userId) { 11346 final PackageRemovedInfo info = new PackageRemovedInfo(); 11347 info.removedPackage = packageName; 11348 info.removedUsers = new int[] {userId}; 11349 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11350 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11351 } 11352 11353 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11354 if (pkgList.length > 0) { 11355 Bundle extras = new Bundle(1); 11356 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11357 11358 sendPackageBroadcast( 11359 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11360 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11361 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11362 new int[] {userId}); 11363 } 11364 } 11365 11366 /** 11367 * Returns true if application is not found or there was an error. Otherwise it returns 11368 * the hidden state of the package for the given user. 11369 */ 11370 @Override 11371 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11372 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11373 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11374 true /* requireFullPermission */, false /* checkShell */, 11375 "getApplicationHidden for user " + userId); 11376 PackageSetting pkgSetting; 11377 long callingId = Binder.clearCallingIdentity(); 11378 try { 11379 // writer 11380 synchronized (mPackages) { 11381 pkgSetting = mSettings.mPackages.get(packageName); 11382 if (pkgSetting == null) { 11383 return true; 11384 } 11385 return pkgSetting.getHidden(userId); 11386 } 11387 } finally { 11388 Binder.restoreCallingIdentity(callingId); 11389 } 11390 } 11391 11392 /** 11393 * @hide 11394 */ 11395 @Override 11396 public int installExistingPackageAsUser(String packageName, int userId) { 11397 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11398 null); 11399 PackageSetting pkgSetting; 11400 final int uid = Binder.getCallingUid(); 11401 enforceCrossUserPermission(uid, userId, 11402 true /* requireFullPermission */, true /* checkShell */, 11403 "installExistingPackage for user " + userId); 11404 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11405 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11406 } 11407 11408 long callingId = Binder.clearCallingIdentity(); 11409 try { 11410 boolean installed = false; 11411 11412 // writer 11413 synchronized (mPackages) { 11414 pkgSetting = mSettings.mPackages.get(packageName); 11415 if (pkgSetting == null) { 11416 return PackageManager.INSTALL_FAILED_INVALID_URI; 11417 } 11418 if (!pkgSetting.getInstalled(userId)) { 11419 pkgSetting.setInstalled(true, userId); 11420 pkgSetting.setHidden(false, userId); 11421 mSettings.writePackageRestrictionsLPr(userId); 11422 installed = true; 11423 } 11424 } 11425 11426 if (installed) { 11427 if (pkgSetting.pkg != null) { 11428 synchronized (mInstallLock) { 11429 // We don't need to freeze for a brand new install 11430 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11431 } 11432 } 11433 sendPackageAddedForUser(packageName, pkgSetting, userId); 11434 } 11435 } finally { 11436 Binder.restoreCallingIdentity(callingId); 11437 } 11438 11439 return PackageManager.INSTALL_SUCCEEDED; 11440 } 11441 11442 boolean isUserRestricted(int userId, String restrictionKey) { 11443 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11444 if (restrictions.getBoolean(restrictionKey, false)) { 11445 Log.w(TAG, "User is restricted: " + restrictionKey); 11446 return true; 11447 } 11448 return false; 11449 } 11450 11451 @Override 11452 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11453 int userId) { 11454 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11455 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11456 true /* requireFullPermission */, true /* checkShell */, 11457 "setPackagesSuspended for user " + userId); 11458 11459 if (ArrayUtils.isEmpty(packageNames)) { 11460 return packageNames; 11461 } 11462 11463 // List of package names for whom the suspended state has changed. 11464 List<String> changedPackages = new ArrayList<>(packageNames.length); 11465 // List of package names for whom the suspended state is not set as requested in this 11466 // method. 11467 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11468 long callingId = Binder.clearCallingIdentity(); 11469 try { 11470 for (int i = 0; i < packageNames.length; i++) { 11471 String packageName = packageNames[i]; 11472 boolean changed = false; 11473 final int appId; 11474 synchronized (mPackages) { 11475 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11476 if (pkgSetting == null) { 11477 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11478 + "\". Skipping suspending/un-suspending."); 11479 unactionedPackages.add(packageName); 11480 continue; 11481 } 11482 appId = pkgSetting.appId; 11483 if (pkgSetting.getSuspended(userId) != suspended) { 11484 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11485 unactionedPackages.add(packageName); 11486 continue; 11487 } 11488 pkgSetting.setSuspended(suspended, userId); 11489 mSettings.writePackageRestrictionsLPr(userId); 11490 changed = true; 11491 changedPackages.add(packageName); 11492 } 11493 } 11494 11495 if (changed && suspended) { 11496 killApplication(packageName, UserHandle.getUid(userId, appId), 11497 "suspending package"); 11498 } 11499 } 11500 } finally { 11501 Binder.restoreCallingIdentity(callingId); 11502 } 11503 11504 if (!changedPackages.isEmpty()) { 11505 sendPackagesSuspendedForUser(changedPackages.toArray( 11506 new String[changedPackages.size()]), userId, suspended); 11507 } 11508 11509 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11510 } 11511 11512 @Override 11513 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11514 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11515 true /* requireFullPermission */, false /* checkShell */, 11516 "isPackageSuspendedForUser for user " + userId); 11517 synchronized (mPackages) { 11518 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11519 if (pkgSetting == null) { 11520 throw new IllegalArgumentException("Unknown target package: " + packageName); 11521 } 11522 return pkgSetting.getSuspended(userId); 11523 } 11524 } 11525 11526 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11527 if (isPackageDeviceAdmin(packageName, userId)) { 11528 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11529 + "\": has an active device admin"); 11530 return false; 11531 } 11532 11533 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11534 if (packageName.equals(activeLauncherPackageName)) { 11535 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11536 + "\": contains the active launcher"); 11537 return false; 11538 } 11539 11540 if (packageName.equals(mRequiredInstallerPackage)) { 11541 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11542 + "\": required for package installation"); 11543 return false; 11544 } 11545 11546 if (packageName.equals(mRequiredVerifierPackage)) { 11547 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11548 + "\": required for package verification"); 11549 return false; 11550 } 11551 11552 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11553 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11554 + "\": is the default dialer"); 11555 return false; 11556 } 11557 11558 return true; 11559 } 11560 11561 private String getActiveLauncherPackageName(int userId) { 11562 Intent intent = new Intent(Intent.ACTION_MAIN); 11563 intent.addCategory(Intent.CATEGORY_HOME); 11564 ResolveInfo resolveInfo = resolveIntent( 11565 intent, 11566 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11567 PackageManager.MATCH_DEFAULT_ONLY, 11568 userId); 11569 11570 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11571 } 11572 11573 private String getDefaultDialerPackageName(int userId) { 11574 synchronized (mPackages) { 11575 return mSettings.getDefaultDialerPackageNameLPw(userId); 11576 } 11577 } 11578 11579 @Override 11580 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11581 mContext.enforceCallingOrSelfPermission( 11582 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11583 "Only package verification agents can verify applications"); 11584 11585 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11586 final PackageVerificationResponse response = new PackageVerificationResponse( 11587 verificationCode, Binder.getCallingUid()); 11588 msg.arg1 = id; 11589 msg.obj = response; 11590 mHandler.sendMessage(msg); 11591 } 11592 11593 @Override 11594 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11595 long millisecondsToDelay) { 11596 mContext.enforceCallingOrSelfPermission( 11597 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11598 "Only package verification agents can extend verification timeouts"); 11599 11600 final PackageVerificationState state = mPendingVerification.get(id); 11601 final PackageVerificationResponse response = new PackageVerificationResponse( 11602 verificationCodeAtTimeout, Binder.getCallingUid()); 11603 11604 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11605 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11606 } 11607 if (millisecondsToDelay < 0) { 11608 millisecondsToDelay = 0; 11609 } 11610 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11611 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11612 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11613 } 11614 11615 if ((state != null) && !state.timeoutExtended()) { 11616 state.extendTimeout(); 11617 11618 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11619 msg.arg1 = id; 11620 msg.obj = response; 11621 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11622 } 11623 } 11624 11625 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11626 int verificationCode, UserHandle user) { 11627 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11628 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11629 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11630 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11631 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11632 11633 mContext.sendBroadcastAsUser(intent, user, 11634 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11635 } 11636 11637 private ComponentName matchComponentForVerifier(String packageName, 11638 List<ResolveInfo> receivers) { 11639 ActivityInfo targetReceiver = null; 11640 11641 final int NR = receivers.size(); 11642 for (int i = 0; i < NR; i++) { 11643 final ResolveInfo info = receivers.get(i); 11644 if (info.activityInfo == null) { 11645 continue; 11646 } 11647 11648 if (packageName.equals(info.activityInfo.packageName)) { 11649 targetReceiver = info.activityInfo; 11650 break; 11651 } 11652 } 11653 11654 if (targetReceiver == null) { 11655 return null; 11656 } 11657 11658 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11659 } 11660 11661 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11662 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11663 if (pkgInfo.verifiers.length == 0) { 11664 return null; 11665 } 11666 11667 final int N = pkgInfo.verifiers.length; 11668 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11669 for (int i = 0; i < N; i++) { 11670 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11671 11672 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11673 receivers); 11674 if (comp == null) { 11675 continue; 11676 } 11677 11678 final int verifierUid = getUidForVerifier(verifierInfo); 11679 if (verifierUid == -1) { 11680 continue; 11681 } 11682 11683 if (DEBUG_VERIFY) { 11684 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11685 + " with the correct signature"); 11686 } 11687 sufficientVerifiers.add(comp); 11688 verificationState.addSufficientVerifier(verifierUid); 11689 } 11690 11691 return sufficientVerifiers; 11692 } 11693 11694 private int getUidForVerifier(VerifierInfo verifierInfo) { 11695 synchronized (mPackages) { 11696 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11697 if (pkg == null) { 11698 return -1; 11699 } else if (pkg.mSignatures.length != 1) { 11700 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11701 + " has more than one signature; ignoring"); 11702 return -1; 11703 } 11704 11705 /* 11706 * If the public key of the package's signature does not match 11707 * our expected public key, then this is a different package and 11708 * we should skip. 11709 */ 11710 11711 final byte[] expectedPublicKey; 11712 try { 11713 final Signature verifierSig = pkg.mSignatures[0]; 11714 final PublicKey publicKey = verifierSig.getPublicKey(); 11715 expectedPublicKey = publicKey.getEncoded(); 11716 } catch (CertificateException e) { 11717 return -1; 11718 } 11719 11720 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11721 11722 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11723 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11724 + " does not have the expected public key; ignoring"); 11725 return -1; 11726 } 11727 11728 return pkg.applicationInfo.uid; 11729 } 11730 } 11731 11732 @Override 11733 public void finishPackageInstall(int token, boolean didLaunch) { 11734 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11735 11736 if (DEBUG_INSTALL) { 11737 Slog.v(TAG, "BM finishing package install for " + token); 11738 } 11739 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11740 11741 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11742 mHandler.sendMessage(msg); 11743 } 11744 11745 /** 11746 * Get the verification agent timeout. 11747 * 11748 * @return verification timeout in milliseconds 11749 */ 11750 private long getVerificationTimeout() { 11751 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11752 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11753 DEFAULT_VERIFICATION_TIMEOUT); 11754 } 11755 11756 /** 11757 * Get the default verification agent response code. 11758 * 11759 * @return default verification response code 11760 */ 11761 private int getDefaultVerificationResponse() { 11762 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11763 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11764 DEFAULT_VERIFICATION_RESPONSE); 11765 } 11766 11767 /** 11768 * Check whether or not package verification has been enabled. 11769 * 11770 * @return true if verification should be performed 11771 */ 11772 private boolean isVerificationEnabled(int userId, int installFlags) { 11773 if (!DEFAULT_VERIFY_ENABLE) { 11774 return false; 11775 } 11776 // Ephemeral apps don't get the full verification treatment 11777 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11778 if (DEBUG_EPHEMERAL) { 11779 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11780 } 11781 return false; 11782 } 11783 11784 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11785 11786 // Check if installing from ADB 11787 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11788 // Do not run verification in a test harness environment 11789 if (ActivityManager.isRunningInTestHarness()) { 11790 return false; 11791 } 11792 if (ensureVerifyAppsEnabled) { 11793 return true; 11794 } 11795 // Check if the developer does not want package verification for ADB installs 11796 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11797 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11798 return false; 11799 } 11800 } 11801 11802 if (ensureVerifyAppsEnabled) { 11803 return true; 11804 } 11805 11806 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11807 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11808 } 11809 11810 @Override 11811 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11812 throws RemoteException { 11813 mContext.enforceCallingOrSelfPermission( 11814 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11815 "Only intentfilter verification agents can verify applications"); 11816 11817 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11818 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11819 Binder.getCallingUid(), verificationCode, failedDomains); 11820 msg.arg1 = id; 11821 msg.obj = response; 11822 mHandler.sendMessage(msg); 11823 } 11824 11825 @Override 11826 public int getIntentVerificationStatus(String packageName, int userId) { 11827 synchronized (mPackages) { 11828 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11829 } 11830 } 11831 11832 @Override 11833 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11834 mContext.enforceCallingOrSelfPermission( 11835 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11836 11837 boolean result = false; 11838 synchronized (mPackages) { 11839 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11840 } 11841 if (result) { 11842 scheduleWritePackageRestrictionsLocked(userId); 11843 } 11844 return result; 11845 } 11846 11847 @Override 11848 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11849 String packageName) { 11850 synchronized (mPackages) { 11851 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11852 } 11853 } 11854 11855 @Override 11856 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11857 if (TextUtils.isEmpty(packageName)) { 11858 return ParceledListSlice.emptyList(); 11859 } 11860 synchronized (mPackages) { 11861 PackageParser.Package pkg = mPackages.get(packageName); 11862 if (pkg == null || pkg.activities == null) { 11863 return ParceledListSlice.emptyList(); 11864 } 11865 final int count = pkg.activities.size(); 11866 ArrayList<IntentFilter> result = new ArrayList<>(); 11867 for (int n=0; n<count; n++) { 11868 PackageParser.Activity activity = pkg.activities.get(n); 11869 if (activity.intents != null && activity.intents.size() > 0) { 11870 result.addAll(activity.intents); 11871 } 11872 } 11873 return new ParceledListSlice<>(result); 11874 } 11875 } 11876 11877 @Override 11878 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11879 mContext.enforceCallingOrSelfPermission( 11880 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11881 11882 synchronized (mPackages) { 11883 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11884 if (packageName != null) { 11885 result |= updateIntentVerificationStatus(packageName, 11886 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11887 userId); 11888 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11889 packageName, userId); 11890 } 11891 return result; 11892 } 11893 } 11894 11895 @Override 11896 public String getDefaultBrowserPackageName(int userId) { 11897 synchronized (mPackages) { 11898 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11899 } 11900 } 11901 11902 /** 11903 * Get the "allow unknown sources" setting. 11904 * 11905 * @return the current "allow unknown sources" setting 11906 */ 11907 private int getUnknownSourcesSettings() { 11908 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11909 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11910 -1); 11911 } 11912 11913 @Override 11914 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11915 final int uid = Binder.getCallingUid(); 11916 // writer 11917 synchronized (mPackages) { 11918 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11919 if (targetPackageSetting == null) { 11920 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11921 } 11922 11923 PackageSetting installerPackageSetting; 11924 if (installerPackageName != null) { 11925 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11926 if (installerPackageSetting == null) { 11927 throw new IllegalArgumentException("Unknown installer package: " 11928 + installerPackageName); 11929 } 11930 } else { 11931 installerPackageSetting = null; 11932 } 11933 11934 Signature[] callerSignature; 11935 Object obj = mSettings.getUserIdLPr(uid); 11936 if (obj != null) { 11937 if (obj instanceof SharedUserSetting) { 11938 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11939 } else if (obj instanceof PackageSetting) { 11940 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11941 } else { 11942 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11943 } 11944 } else { 11945 throw new SecurityException("Unknown calling UID: " + uid); 11946 } 11947 11948 // Verify: can't set installerPackageName to a package that is 11949 // not signed with the same cert as the caller. 11950 if (installerPackageSetting != null) { 11951 if (compareSignatures(callerSignature, 11952 installerPackageSetting.signatures.mSignatures) 11953 != PackageManager.SIGNATURE_MATCH) { 11954 throw new SecurityException( 11955 "Caller does not have same cert as new installer package " 11956 + installerPackageName); 11957 } 11958 } 11959 11960 // Verify: if target already has an installer package, it must 11961 // be signed with the same cert as the caller. 11962 if (targetPackageSetting.installerPackageName != null) { 11963 PackageSetting setting = mSettings.mPackages.get( 11964 targetPackageSetting.installerPackageName); 11965 // If the currently set package isn't valid, then it's always 11966 // okay to change it. 11967 if (setting != null) { 11968 if (compareSignatures(callerSignature, 11969 setting.signatures.mSignatures) 11970 != PackageManager.SIGNATURE_MATCH) { 11971 throw new SecurityException( 11972 "Caller does not have same cert as old installer package " 11973 + targetPackageSetting.installerPackageName); 11974 } 11975 } 11976 } 11977 11978 // Okay! 11979 targetPackageSetting.installerPackageName = installerPackageName; 11980 if (installerPackageName != null) { 11981 mSettings.mInstallerPackages.add(installerPackageName); 11982 } 11983 scheduleWriteSettingsLocked(); 11984 } 11985 } 11986 11987 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11988 // Queue up an async operation since the package installation may take a little while. 11989 mHandler.post(new Runnable() { 11990 public void run() { 11991 mHandler.removeCallbacks(this); 11992 // Result object to be returned 11993 PackageInstalledInfo res = new PackageInstalledInfo(); 11994 res.setReturnCode(currentStatus); 11995 res.uid = -1; 11996 res.pkg = null; 11997 res.removedInfo = null; 11998 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11999 args.doPreInstall(res.returnCode); 12000 synchronized (mInstallLock) { 12001 installPackageTracedLI(args, res); 12002 } 12003 args.doPostInstall(res.returnCode, res.uid); 12004 } 12005 12006 // A restore should be performed at this point if (a) the install 12007 // succeeded, (b) the operation is not an update, and (c) the new 12008 // package has not opted out of backup participation. 12009 final boolean update = res.removedInfo != null 12010 && res.removedInfo.removedPackage != null; 12011 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12012 boolean doRestore = !update 12013 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12014 12015 // Set up the post-install work request bookkeeping. This will be used 12016 // and cleaned up by the post-install event handling regardless of whether 12017 // there's a restore pass performed. Token values are >= 1. 12018 int token; 12019 if (mNextInstallToken < 0) mNextInstallToken = 1; 12020 token = mNextInstallToken++; 12021 12022 PostInstallData data = new PostInstallData(args, res); 12023 mRunningInstalls.put(token, data); 12024 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12025 12026 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12027 // Pass responsibility to the Backup Manager. It will perform a 12028 // restore if appropriate, then pass responsibility back to the 12029 // Package Manager to run the post-install observer callbacks 12030 // and broadcasts. 12031 IBackupManager bm = IBackupManager.Stub.asInterface( 12032 ServiceManager.getService(Context.BACKUP_SERVICE)); 12033 if (bm != null) { 12034 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12035 + " to BM for possible restore"); 12036 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12037 try { 12038 // TODO: http://b/22388012 12039 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12040 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12041 } else { 12042 doRestore = false; 12043 } 12044 } catch (RemoteException e) { 12045 // can't happen; the backup manager is local 12046 } catch (Exception e) { 12047 Slog.e(TAG, "Exception trying to enqueue restore", e); 12048 doRestore = false; 12049 } 12050 } else { 12051 Slog.e(TAG, "Backup Manager not found!"); 12052 doRestore = false; 12053 } 12054 } 12055 12056 if (!doRestore) { 12057 // No restore possible, or the Backup Manager was mysteriously not 12058 // available -- just fire the post-install work request directly. 12059 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12060 12061 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12062 12063 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12064 mHandler.sendMessage(msg); 12065 } 12066 } 12067 }); 12068 } 12069 12070 /** 12071 * Callback from PackageSettings whenever an app is first transitioned out of the 12072 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12073 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12074 * here whether the app is the target of an ongoing install, and only send the 12075 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12076 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12077 * handling. 12078 */ 12079 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12080 // Serialize this with the rest of the install-process message chain. In the 12081 // restore-at-install case, this Runnable will necessarily run before the 12082 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12083 // are coherent. In the non-restore case, the app has already completed install 12084 // and been launched through some other means, so it is not in a problematic 12085 // state for observers to see the FIRST_LAUNCH signal. 12086 mHandler.post(new Runnable() { 12087 @Override 12088 public void run() { 12089 for (int i = 0; i < mRunningInstalls.size(); i++) { 12090 final PostInstallData data = mRunningInstalls.valueAt(i); 12091 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12092 // right package; but is it for the right user? 12093 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12094 if (userId == data.res.newUsers[uIndex]) { 12095 if (DEBUG_BACKUP) { 12096 Slog.i(TAG, "Package " + pkgName 12097 + " being restored so deferring FIRST_LAUNCH"); 12098 } 12099 return; 12100 } 12101 } 12102 } 12103 } 12104 // didn't find it, so not being restored 12105 if (DEBUG_BACKUP) { 12106 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12107 } 12108 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12109 } 12110 }); 12111 } 12112 12113 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12114 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12115 installerPkg, null, userIds); 12116 } 12117 12118 private abstract class HandlerParams { 12119 private static final int MAX_RETRIES = 4; 12120 12121 /** 12122 * Number of times startCopy() has been attempted and had a non-fatal 12123 * error. 12124 */ 12125 private int mRetries = 0; 12126 12127 /** User handle for the user requesting the information or installation. */ 12128 private final UserHandle mUser; 12129 String traceMethod; 12130 int traceCookie; 12131 12132 HandlerParams(UserHandle user) { 12133 mUser = user; 12134 } 12135 12136 UserHandle getUser() { 12137 return mUser; 12138 } 12139 12140 HandlerParams setTraceMethod(String traceMethod) { 12141 this.traceMethod = traceMethod; 12142 return this; 12143 } 12144 12145 HandlerParams setTraceCookie(int traceCookie) { 12146 this.traceCookie = traceCookie; 12147 return this; 12148 } 12149 12150 final boolean startCopy() { 12151 boolean res; 12152 try { 12153 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12154 12155 if (++mRetries > MAX_RETRIES) { 12156 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12157 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12158 handleServiceError(); 12159 return false; 12160 } else { 12161 handleStartCopy(); 12162 res = true; 12163 } 12164 } catch (RemoteException e) { 12165 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12166 mHandler.sendEmptyMessage(MCS_RECONNECT); 12167 res = false; 12168 } 12169 handleReturnCode(); 12170 return res; 12171 } 12172 12173 final void serviceError() { 12174 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12175 handleServiceError(); 12176 handleReturnCode(); 12177 } 12178 12179 abstract void handleStartCopy() throws RemoteException; 12180 abstract void handleServiceError(); 12181 abstract void handleReturnCode(); 12182 } 12183 12184 class MeasureParams extends HandlerParams { 12185 private final PackageStats mStats; 12186 private boolean mSuccess; 12187 12188 private final IPackageStatsObserver mObserver; 12189 12190 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12191 super(new UserHandle(stats.userHandle)); 12192 mObserver = observer; 12193 mStats = stats; 12194 } 12195 12196 @Override 12197 public String toString() { 12198 return "MeasureParams{" 12199 + Integer.toHexString(System.identityHashCode(this)) 12200 + " " + mStats.packageName + "}"; 12201 } 12202 12203 @Override 12204 void handleStartCopy() throws RemoteException { 12205 synchronized (mInstallLock) { 12206 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12207 } 12208 12209 if (mSuccess) { 12210 final boolean mounted; 12211 if (Environment.isExternalStorageEmulated()) { 12212 mounted = true; 12213 } else { 12214 final String status = Environment.getExternalStorageState(); 12215 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12216 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12217 } 12218 12219 if (mounted) { 12220 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12221 12222 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12223 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12224 12225 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12226 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12227 12228 // Always subtract cache size, since it's a subdirectory 12229 mStats.externalDataSize -= mStats.externalCacheSize; 12230 12231 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12232 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12233 12234 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12235 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12236 } 12237 } 12238 } 12239 12240 @Override 12241 void handleReturnCode() { 12242 if (mObserver != null) { 12243 try { 12244 mObserver.onGetStatsCompleted(mStats, mSuccess); 12245 } catch (RemoteException e) { 12246 Slog.i(TAG, "Observer no longer exists."); 12247 } 12248 } 12249 } 12250 12251 @Override 12252 void handleServiceError() { 12253 Slog.e(TAG, "Could not measure application " + mStats.packageName 12254 + " external storage"); 12255 } 12256 } 12257 12258 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12259 throws RemoteException { 12260 long result = 0; 12261 for (File path : paths) { 12262 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12263 } 12264 return result; 12265 } 12266 12267 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12268 for (File path : paths) { 12269 try { 12270 mcs.clearDirectory(path.getAbsolutePath()); 12271 } catch (RemoteException e) { 12272 } 12273 } 12274 } 12275 12276 static class OriginInfo { 12277 /** 12278 * Location where install is coming from, before it has been 12279 * copied/renamed into place. This could be a single monolithic APK 12280 * file, or a cluster directory. This location may be untrusted. 12281 */ 12282 final File file; 12283 final String cid; 12284 12285 /** 12286 * Flag indicating that {@link #file} or {@link #cid} has already been 12287 * staged, meaning downstream users don't need to defensively copy the 12288 * contents. 12289 */ 12290 final boolean staged; 12291 12292 /** 12293 * Flag indicating that {@link #file} or {@link #cid} is an already 12294 * installed app that is being moved. 12295 */ 12296 final boolean existing; 12297 12298 final String resolvedPath; 12299 final File resolvedFile; 12300 12301 static OriginInfo fromNothing() { 12302 return new OriginInfo(null, null, false, false); 12303 } 12304 12305 static OriginInfo fromUntrustedFile(File file) { 12306 return new OriginInfo(file, null, false, false); 12307 } 12308 12309 static OriginInfo fromExistingFile(File file) { 12310 return new OriginInfo(file, null, false, true); 12311 } 12312 12313 static OriginInfo fromStagedFile(File file) { 12314 return new OriginInfo(file, null, true, false); 12315 } 12316 12317 static OriginInfo fromStagedContainer(String cid) { 12318 return new OriginInfo(null, cid, true, false); 12319 } 12320 12321 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12322 this.file = file; 12323 this.cid = cid; 12324 this.staged = staged; 12325 this.existing = existing; 12326 12327 if (cid != null) { 12328 resolvedPath = PackageHelper.getSdDir(cid); 12329 resolvedFile = new File(resolvedPath); 12330 } else if (file != null) { 12331 resolvedPath = file.getAbsolutePath(); 12332 resolvedFile = file; 12333 } else { 12334 resolvedPath = null; 12335 resolvedFile = null; 12336 } 12337 } 12338 } 12339 12340 static class MoveInfo { 12341 final int moveId; 12342 final String fromUuid; 12343 final String toUuid; 12344 final String packageName; 12345 final String dataAppName; 12346 final int appId; 12347 final String seinfo; 12348 final int targetSdkVersion; 12349 12350 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12351 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12352 this.moveId = moveId; 12353 this.fromUuid = fromUuid; 12354 this.toUuid = toUuid; 12355 this.packageName = packageName; 12356 this.dataAppName = dataAppName; 12357 this.appId = appId; 12358 this.seinfo = seinfo; 12359 this.targetSdkVersion = targetSdkVersion; 12360 } 12361 } 12362 12363 static class VerificationInfo { 12364 /** A constant used to indicate that a uid value is not present. */ 12365 public static final int NO_UID = -1; 12366 12367 /** URI referencing where the package was downloaded from. */ 12368 final Uri originatingUri; 12369 12370 /** HTTP referrer URI associated with the originatingURI. */ 12371 final Uri referrer; 12372 12373 /** UID of the application that the install request originated from. */ 12374 final int originatingUid; 12375 12376 /** UID of application requesting the install */ 12377 final int installerUid; 12378 12379 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12380 this.originatingUri = originatingUri; 12381 this.referrer = referrer; 12382 this.originatingUid = originatingUid; 12383 this.installerUid = installerUid; 12384 } 12385 } 12386 12387 class InstallParams extends HandlerParams { 12388 final OriginInfo origin; 12389 final MoveInfo move; 12390 final IPackageInstallObserver2 observer; 12391 int installFlags; 12392 final String installerPackageName; 12393 final String volumeUuid; 12394 private InstallArgs mArgs; 12395 private int mRet; 12396 final String packageAbiOverride; 12397 final String[] grantedRuntimePermissions; 12398 final VerificationInfo verificationInfo; 12399 final Certificate[][] certificates; 12400 12401 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12402 int installFlags, String installerPackageName, String volumeUuid, 12403 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12404 String[] grantedPermissions, Certificate[][] certificates) { 12405 super(user); 12406 this.origin = origin; 12407 this.move = move; 12408 this.observer = observer; 12409 this.installFlags = installFlags; 12410 this.installerPackageName = installerPackageName; 12411 this.volumeUuid = volumeUuid; 12412 this.verificationInfo = verificationInfo; 12413 this.packageAbiOverride = packageAbiOverride; 12414 this.grantedRuntimePermissions = grantedPermissions; 12415 this.certificates = certificates; 12416 } 12417 12418 @Override 12419 public String toString() { 12420 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12421 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12422 } 12423 12424 private int installLocationPolicy(PackageInfoLite pkgLite) { 12425 String packageName = pkgLite.packageName; 12426 int installLocation = pkgLite.installLocation; 12427 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12428 // reader 12429 synchronized (mPackages) { 12430 // Currently installed package which the new package is attempting to replace or 12431 // null if no such package is installed. 12432 PackageParser.Package installedPkg = mPackages.get(packageName); 12433 // Package which currently owns the data which the new package will own if installed. 12434 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12435 // will be null whereas dataOwnerPkg will contain information about the package 12436 // which was uninstalled while keeping its data. 12437 PackageParser.Package dataOwnerPkg = installedPkg; 12438 if (dataOwnerPkg == null) { 12439 PackageSetting ps = mSettings.mPackages.get(packageName); 12440 if (ps != null) { 12441 dataOwnerPkg = ps.pkg; 12442 } 12443 } 12444 12445 if (dataOwnerPkg != null) { 12446 // If installed, the package will get access to data left on the device by its 12447 // predecessor. As a security measure, this is permited only if this is not a 12448 // version downgrade or if the predecessor package is marked as debuggable and 12449 // a downgrade is explicitly requested. 12450 // 12451 // On debuggable platform builds, downgrades are permitted even for 12452 // non-debuggable packages to make testing easier. Debuggable platform builds do 12453 // not offer security guarantees and thus it's OK to disable some security 12454 // mechanisms to make debugging/testing easier on those builds. However, even on 12455 // debuggable builds downgrades of packages are permitted only if requested via 12456 // installFlags. This is because we aim to keep the behavior of debuggable 12457 // platform builds as close as possible to the behavior of non-debuggable 12458 // platform builds. 12459 final boolean downgradeRequested = 12460 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12461 final boolean packageDebuggable = 12462 (dataOwnerPkg.applicationInfo.flags 12463 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12464 final boolean downgradePermitted = 12465 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12466 if (!downgradePermitted) { 12467 try { 12468 checkDowngrade(dataOwnerPkg, pkgLite); 12469 } catch (PackageManagerException e) { 12470 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12471 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12472 } 12473 } 12474 } 12475 12476 if (installedPkg != null) { 12477 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12478 // Check for updated system application. 12479 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12480 if (onSd) { 12481 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12482 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12483 } 12484 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12485 } else { 12486 if (onSd) { 12487 // Install flag overrides everything. 12488 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12489 } 12490 // If current upgrade specifies particular preference 12491 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12492 // Application explicitly specified internal. 12493 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12494 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12495 // App explictly prefers external. Let policy decide 12496 } else { 12497 // Prefer previous location 12498 if (isExternal(installedPkg)) { 12499 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12500 } 12501 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12502 } 12503 } 12504 } else { 12505 // Invalid install. Return error code 12506 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12507 } 12508 } 12509 } 12510 // All the special cases have been taken care of. 12511 // Return result based on recommended install location. 12512 if (onSd) { 12513 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12514 } 12515 return pkgLite.recommendedInstallLocation; 12516 } 12517 12518 /* 12519 * Invoke remote method to get package information and install 12520 * location values. Override install location based on default 12521 * policy if needed and then create install arguments based 12522 * on the install location. 12523 */ 12524 public void handleStartCopy() throws RemoteException { 12525 int ret = PackageManager.INSTALL_SUCCEEDED; 12526 12527 // If we're already staged, we've firmly committed to an install location 12528 if (origin.staged) { 12529 if (origin.file != null) { 12530 installFlags |= PackageManager.INSTALL_INTERNAL; 12531 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12532 } else if (origin.cid != null) { 12533 installFlags |= PackageManager.INSTALL_EXTERNAL; 12534 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12535 } else { 12536 throw new IllegalStateException("Invalid stage location"); 12537 } 12538 } 12539 12540 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12541 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12542 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12543 PackageInfoLite pkgLite = null; 12544 12545 if (onInt && onSd) { 12546 // Check if both bits are set. 12547 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12548 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12549 } else if (onSd && ephemeral) { 12550 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12551 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12552 } else { 12553 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12554 packageAbiOverride); 12555 12556 if (DEBUG_EPHEMERAL && ephemeral) { 12557 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12558 } 12559 12560 /* 12561 * If we have too little free space, try to free cache 12562 * before giving up. 12563 */ 12564 if (!origin.staged && pkgLite.recommendedInstallLocation 12565 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12566 // TODO: focus freeing disk space on the target device 12567 final StorageManager storage = StorageManager.from(mContext); 12568 final long lowThreshold = storage.getStorageLowBytes( 12569 Environment.getDataDirectory()); 12570 12571 final long sizeBytes = mContainerService.calculateInstalledSize( 12572 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12573 12574 try { 12575 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12576 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12577 installFlags, packageAbiOverride); 12578 } catch (InstallerException e) { 12579 Slog.w(TAG, "Failed to free cache", e); 12580 } 12581 12582 /* 12583 * The cache free must have deleted the file we 12584 * downloaded to install. 12585 * 12586 * TODO: fix the "freeCache" call to not delete 12587 * the file we care about. 12588 */ 12589 if (pkgLite.recommendedInstallLocation 12590 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12591 pkgLite.recommendedInstallLocation 12592 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12593 } 12594 } 12595 } 12596 12597 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12598 int loc = pkgLite.recommendedInstallLocation; 12599 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12600 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12601 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12602 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12603 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12604 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12605 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12606 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12607 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12608 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12609 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12610 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12611 } else { 12612 // Override with defaults if needed. 12613 loc = installLocationPolicy(pkgLite); 12614 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12615 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12616 } else if (!onSd && !onInt) { 12617 // Override install location with flags 12618 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12619 // Set the flag to install on external media. 12620 installFlags |= PackageManager.INSTALL_EXTERNAL; 12621 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12622 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12623 if (DEBUG_EPHEMERAL) { 12624 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12625 } 12626 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12627 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12628 |PackageManager.INSTALL_INTERNAL); 12629 } else { 12630 // Make sure the flag for installing on external 12631 // media is unset 12632 installFlags |= PackageManager.INSTALL_INTERNAL; 12633 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12634 } 12635 } 12636 } 12637 } 12638 12639 final InstallArgs args = createInstallArgs(this); 12640 mArgs = args; 12641 12642 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12643 // TODO: http://b/22976637 12644 // Apps installed for "all" users use the device owner to verify the app 12645 UserHandle verifierUser = getUser(); 12646 if (verifierUser == UserHandle.ALL) { 12647 verifierUser = UserHandle.SYSTEM; 12648 } 12649 12650 /* 12651 * Determine if we have any installed package verifiers. If we 12652 * do, then we'll defer to them to verify the packages. 12653 */ 12654 final int requiredUid = mRequiredVerifierPackage == null ? -1 12655 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12656 verifierUser.getIdentifier()); 12657 if (!origin.existing && requiredUid != -1 12658 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12659 final Intent verification = new Intent( 12660 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12661 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12662 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12663 PACKAGE_MIME_TYPE); 12664 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12665 12666 // Query all live verifiers based on current user state 12667 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12668 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12669 12670 if (DEBUG_VERIFY) { 12671 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12672 + verification.toString() + " with " + pkgLite.verifiers.length 12673 + " optional verifiers"); 12674 } 12675 12676 final int verificationId = mPendingVerificationToken++; 12677 12678 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12679 12680 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12681 installerPackageName); 12682 12683 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12684 installFlags); 12685 12686 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12687 pkgLite.packageName); 12688 12689 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12690 pkgLite.versionCode); 12691 12692 if (verificationInfo != null) { 12693 if (verificationInfo.originatingUri != null) { 12694 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12695 verificationInfo.originatingUri); 12696 } 12697 if (verificationInfo.referrer != null) { 12698 verification.putExtra(Intent.EXTRA_REFERRER, 12699 verificationInfo.referrer); 12700 } 12701 if (verificationInfo.originatingUid >= 0) { 12702 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12703 verificationInfo.originatingUid); 12704 } 12705 if (verificationInfo.installerUid >= 0) { 12706 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12707 verificationInfo.installerUid); 12708 } 12709 } 12710 12711 final PackageVerificationState verificationState = new PackageVerificationState( 12712 requiredUid, args); 12713 12714 mPendingVerification.append(verificationId, verificationState); 12715 12716 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12717 receivers, verificationState); 12718 12719 /* 12720 * If any sufficient verifiers were listed in the package 12721 * manifest, attempt to ask them. 12722 */ 12723 if (sufficientVerifiers != null) { 12724 final int N = sufficientVerifiers.size(); 12725 if (N == 0) { 12726 Slog.i(TAG, "Additional verifiers required, but none installed."); 12727 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12728 } else { 12729 for (int i = 0; i < N; i++) { 12730 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12731 12732 final Intent sufficientIntent = new Intent(verification); 12733 sufficientIntent.setComponent(verifierComponent); 12734 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12735 } 12736 } 12737 } 12738 12739 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12740 mRequiredVerifierPackage, receivers); 12741 if (ret == PackageManager.INSTALL_SUCCEEDED 12742 && mRequiredVerifierPackage != null) { 12743 Trace.asyncTraceBegin( 12744 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12745 /* 12746 * Send the intent to the required verification agent, 12747 * but only start the verification timeout after the 12748 * target BroadcastReceivers have run. 12749 */ 12750 verification.setComponent(requiredVerifierComponent); 12751 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12752 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12753 new BroadcastReceiver() { 12754 @Override 12755 public void onReceive(Context context, Intent intent) { 12756 final Message msg = mHandler 12757 .obtainMessage(CHECK_PENDING_VERIFICATION); 12758 msg.arg1 = verificationId; 12759 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12760 } 12761 }, null, 0, null, null); 12762 12763 /* 12764 * We don't want the copy to proceed until verification 12765 * succeeds, so null out this field. 12766 */ 12767 mArgs = null; 12768 } 12769 } else { 12770 /* 12771 * No package verification is enabled, so immediately start 12772 * the remote call to initiate copy using temporary file. 12773 */ 12774 ret = args.copyApk(mContainerService, true); 12775 } 12776 } 12777 12778 mRet = ret; 12779 } 12780 12781 @Override 12782 void handleReturnCode() { 12783 // If mArgs is null, then MCS couldn't be reached. When it 12784 // reconnects, it will try again to install. At that point, this 12785 // will succeed. 12786 if (mArgs != null) { 12787 processPendingInstall(mArgs, mRet); 12788 } 12789 } 12790 12791 @Override 12792 void handleServiceError() { 12793 mArgs = createInstallArgs(this); 12794 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12795 } 12796 12797 public boolean isForwardLocked() { 12798 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12799 } 12800 } 12801 12802 /** 12803 * Used during creation of InstallArgs 12804 * 12805 * @param installFlags package installation flags 12806 * @return true if should be installed on external storage 12807 */ 12808 private static boolean installOnExternalAsec(int installFlags) { 12809 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12810 return false; 12811 } 12812 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12813 return true; 12814 } 12815 return false; 12816 } 12817 12818 /** 12819 * Used during creation of InstallArgs 12820 * 12821 * @param installFlags package installation flags 12822 * @return true if should be installed as forward locked 12823 */ 12824 private static boolean installForwardLocked(int installFlags) { 12825 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12826 } 12827 12828 private InstallArgs createInstallArgs(InstallParams params) { 12829 if (params.move != null) { 12830 return new MoveInstallArgs(params); 12831 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12832 return new AsecInstallArgs(params); 12833 } else { 12834 return new FileInstallArgs(params); 12835 } 12836 } 12837 12838 /** 12839 * Create args that describe an existing installed package. Typically used 12840 * when cleaning up old installs, or used as a move source. 12841 */ 12842 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12843 String resourcePath, String[] instructionSets) { 12844 final boolean isInAsec; 12845 if (installOnExternalAsec(installFlags)) { 12846 /* Apps on SD card are always in ASEC containers. */ 12847 isInAsec = true; 12848 } else if (installForwardLocked(installFlags) 12849 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12850 /* 12851 * Forward-locked apps are only in ASEC containers if they're the 12852 * new style 12853 */ 12854 isInAsec = true; 12855 } else { 12856 isInAsec = false; 12857 } 12858 12859 if (isInAsec) { 12860 return new AsecInstallArgs(codePath, instructionSets, 12861 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12862 } else { 12863 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12864 } 12865 } 12866 12867 static abstract class InstallArgs { 12868 /** @see InstallParams#origin */ 12869 final OriginInfo origin; 12870 /** @see InstallParams#move */ 12871 final MoveInfo move; 12872 12873 final IPackageInstallObserver2 observer; 12874 // Always refers to PackageManager flags only 12875 final int installFlags; 12876 final String installerPackageName; 12877 final String volumeUuid; 12878 final UserHandle user; 12879 final String abiOverride; 12880 final String[] installGrantPermissions; 12881 /** If non-null, drop an async trace when the install completes */ 12882 final String traceMethod; 12883 final int traceCookie; 12884 final Certificate[][] certificates; 12885 12886 // The list of instruction sets supported by this app. This is currently 12887 // only used during the rmdex() phase to clean up resources. We can get rid of this 12888 // if we move dex files under the common app path. 12889 /* nullable */ String[] instructionSets; 12890 12891 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12892 int installFlags, String installerPackageName, String volumeUuid, 12893 UserHandle user, String[] instructionSets, 12894 String abiOverride, String[] installGrantPermissions, 12895 String traceMethod, int traceCookie, Certificate[][] certificates) { 12896 this.origin = origin; 12897 this.move = move; 12898 this.installFlags = installFlags; 12899 this.observer = observer; 12900 this.installerPackageName = installerPackageName; 12901 this.volumeUuid = volumeUuid; 12902 this.user = user; 12903 this.instructionSets = instructionSets; 12904 this.abiOverride = abiOverride; 12905 this.installGrantPermissions = installGrantPermissions; 12906 this.traceMethod = traceMethod; 12907 this.traceCookie = traceCookie; 12908 this.certificates = certificates; 12909 } 12910 12911 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12912 abstract int doPreInstall(int status); 12913 12914 /** 12915 * Rename package into final resting place. All paths on the given 12916 * scanned package should be updated to reflect the rename. 12917 */ 12918 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12919 abstract int doPostInstall(int status, int uid); 12920 12921 /** @see PackageSettingBase#codePathString */ 12922 abstract String getCodePath(); 12923 /** @see PackageSettingBase#resourcePathString */ 12924 abstract String getResourcePath(); 12925 12926 // Need installer lock especially for dex file removal. 12927 abstract void cleanUpResourcesLI(); 12928 abstract boolean doPostDeleteLI(boolean delete); 12929 12930 /** 12931 * Called before the source arguments are copied. This is used mostly 12932 * for MoveParams when it needs to read the source file to put it in the 12933 * destination. 12934 */ 12935 int doPreCopy() { 12936 return PackageManager.INSTALL_SUCCEEDED; 12937 } 12938 12939 /** 12940 * Called after the source arguments are copied. This is used mostly for 12941 * MoveParams when it needs to read the source file to put it in the 12942 * destination. 12943 */ 12944 int doPostCopy(int uid) { 12945 return PackageManager.INSTALL_SUCCEEDED; 12946 } 12947 12948 protected boolean isFwdLocked() { 12949 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12950 } 12951 12952 protected boolean isExternalAsec() { 12953 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12954 } 12955 12956 protected boolean isEphemeral() { 12957 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12958 } 12959 12960 UserHandle getUser() { 12961 return user; 12962 } 12963 } 12964 12965 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12966 if (!allCodePaths.isEmpty()) { 12967 if (instructionSets == null) { 12968 throw new IllegalStateException("instructionSet == null"); 12969 } 12970 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12971 for (String codePath : allCodePaths) { 12972 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12973 try { 12974 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12975 } catch (InstallerException ignored) { 12976 } 12977 } 12978 } 12979 } 12980 } 12981 12982 /** 12983 * Logic to handle installation of non-ASEC applications, including copying 12984 * and renaming logic. 12985 */ 12986 class FileInstallArgs extends InstallArgs { 12987 private File codeFile; 12988 private File resourceFile; 12989 12990 // Example topology: 12991 // /data/app/com.example/base.apk 12992 // /data/app/com.example/split_foo.apk 12993 // /data/app/com.example/lib/arm/libfoo.so 12994 // /data/app/com.example/lib/arm64/libfoo.so 12995 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12996 12997 /** New install */ 12998 FileInstallArgs(InstallParams params) { 12999 super(params.origin, params.move, params.observer, params.installFlags, 13000 params.installerPackageName, params.volumeUuid, 13001 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13002 params.grantedRuntimePermissions, 13003 params.traceMethod, params.traceCookie, params.certificates); 13004 if (isFwdLocked()) { 13005 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13006 } 13007 } 13008 13009 /** Existing install */ 13010 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13011 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13012 null, null, null, 0, null /*certificates*/); 13013 this.codeFile = (codePath != null) ? new File(codePath) : null; 13014 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13015 } 13016 13017 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13018 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13019 try { 13020 return doCopyApk(imcs, temp); 13021 } finally { 13022 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13023 } 13024 } 13025 13026 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13027 if (origin.staged) { 13028 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13029 codeFile = origin.file; 13030 resourceFile = origin.file; 13031 return PackageManager.INSTALL_SUCCEEDED; 13032 } 13033 13034 try { 13035 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13036 final File tempDir = 13037 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13038 codeFile = tempDir; 13039 resourceFile = tempDir; 13040 } catch (IOException e) { 13041 Slog.w(TAG, "Failed to create copy file: " + e); 13042 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13043 } 13044 13045 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13046 @Override 13047 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13048 if (!FileUtils.isValidExtFilename(name)) { 13049 throw new IllegalArgumentException("Invalid filename: " + name); 13050 } 13051 try { 13052 final File file = new File(codeFile, name); 13053 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13054 O_RDWR | O_CREAT, 0644); 13055 Os.chmod(file.getAbsolutePath(), 0644); 13056 return new ParcelFileDescriptor(fd); 13057 } catch (ErrnoException e) { 13058 throw new RemoteException("Failed to open: " + e.getMessage()); 13059 } 13060 } 13061 }; 13062 13063 int ret = PackageManager.INSTALL_SUCCEEDED; 13064 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13065 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13066 Slog.e(TAG, "Failed to copy package"); 13067 return ret; 13068 } 13069 13070 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13071 NativeLibraryHelper.Handle handle = null; 13072 try { 13073 handle = NativeLibraryHelper.Handle.create(codeFile); 13074 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13075 abiOverride); 13076 } catch (IOException e) { 13077 Slog.e(TAG, "Copying native libraries failed", e); 13078 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13079 } finally { 13080 IoUtils.closeQuietly(handle); 13081 } 13082 13083 return ret; 13084 } 13085 13086 int doPreInstall(int status) { 13087 if (status != PackageManager.INSTALL_SUCCEEDED) { 13088 cleanUp(); 13089 } 13090 return status; 13091 } 13092 13093 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13094 if (status != PackageManager.INSTALL_SUCCEEDED) { 13095 cleanUp(); 13096 return false; 13097 } 13098 13099 final File targetDir = codeFile.getParentFile(); 13100 final File beforeCodeFile = codeFile; 13101 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13102 13103 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13104 try { 13105 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13106 } catch (ErrnoException e) { 13107 Slog.w(TAG, "Failed to rename", e); 13108 return false; 13109 } 13110 13111 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13112 Slog.w(TAG, "Failed to restorecon"); 13113 return false; 13114 } 13115 13116 // Reflect the rename internally 13117 codeFile = afterCodeFile; 13118 resourceFile = afterCodeFile; 13119 13120 // Reflect the rename in scanned details 13121 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13122 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13123 afterCodeFile, pkg.baseCodePath)); 13124 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13125 afterCodeFile, pkg.splitCodePaths)); 13126 13127 // Reflect the rename in app info 13128 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13129 pkg.setApplicationInfoCodePath(pkg.codePath); 13130 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13131 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13132 pkg.setApplicationInfoResourcePath(pkg.codePath); 13133 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13134 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13135 13136 return true; 13137 } 13138 13139 int doPostInstall(int status, int uid) { 13140 if (status != PackageManager.INSTALL_SUCCEEDED) { 13141 cleanUp(); 13142 } 13143 return status; 13144 } 13145 13146 @Override 13147 String getCodePath() { 13148 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13149 } 13150 13151 @Override 13152 String getResourcePath() { 13153 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13154 } 13155 13156 private boolean cleanUp() { 13157 if (codeFile == null || !codeFile.exists()) { 13158 return false; 13159 } 13160 13161 removeCodePathLI(codeFile); 13162 13163 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13164 resourceFile.delete(); 13165 } 13166 13167 return true; 13168 } 13169 13170 void cleanUpResourcesLI() { 13171 // Try enumerating all code paths before deleting 13172 List<String> allCodePaths = Collections.EMPTY_LIST; 13173 if (codeFile != null && codeFile.exists()) { 13174 try { 13175 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13176 allCodePaths = pkg.getAllCodePaths(); 13177 } catch (PackageParserException e) { 13178 // Ignored; we tried our best 13179 } 13180 } 13181 13182 cleanUp(); 13183 removeDexFiles(allCodePaths, instructionSets); 13184 } 13185 13186 boolean doPostDeleteLI(boolean delete) { 13187 // XXX err, shouldn't we respect the delete flag? 13188 cleanUpResourcesLI(); 13189 return true; 13190 } 13191 } 13192 13193 private boolean isAsecExternal(String cid) { 13194 final String asecPath = PackageHelper.getSdFilesystem(cid); 13195 return !asecPath.startsWith(mAsecInternalPath); 13196 } 13197 13198 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13199 PackageManagerException { 13200 if (copyRet < 0) { 13201 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13202 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13203 throw new PackageManagerException(copyRet, message); 13204 } 13205 } 13206 } 13207 13208 /** 13209 * Extract the MountService "container ID" from the full code path of an 13210 * .apk. 13211 */ 13212 static String cidFromCodePath(String fullCodePath) { 13213 int eidx = fullCodePath.lastIndexOf("/"); 13214 String subStr1 = fullCodePath.substring(0, eidx); 13215 int sidx = subStr1.lastIndexOf("/"); 13216 return subStr1.substring(sidx+1, eidx); 13217 } 13218 13219 /** 13220 * Logic to handle installation of ASEC applications, including copying and 13221 * renaming logic. 13222 */ 13223 class AsecInstallArgs extends InstallArgs { 13224 static final String RES_FILE_NAME = "pkg.apk"; 13225 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13226 13227 String cid; 13228 String packagePath; 13229 String resourcePath; 13230 13231 /** New install */ 13232 AsecInstallArgs(InstallParams params) { 13233 super(params.origin, params.move, params.observer, params.installFlags, 13234 params.installerPackageName, params.volumeUuid, 13235 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13236 params.grantedRuntimePermissions, 13237 params.traceMethod, params.traceCookie, params.certificates); 13238 } 13239 13240 /** Existing install */ 13241 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13242 boolean isExternal, boolean isForwardLocked) { 13243 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13244 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13245 instructionSets, null, null, null, 0, null /*certificates*/); 13246 // Hackily pretend we're still looking at a full code path 13247 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13248 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13249 } 13250 13251 // Extract cid from fullCodePath 13252 int eidx = fullCodePath.lastIndexOf("/"); 13253 String subStr1 = fullCodePath.substring(0, eidx); 13254 int sidx = subStr1.lastIndexOf("/"); 13255 cid = subStr1.substring(sidx+1, eidx); 13256 setMountPath(subStr1); 13257 } 13258 13259 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13260 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13261 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13262 instructionSets, null, null, null, 0, null /*certificates*/); 13263 this.cid = cid; 13264 setMountPath(PackageHelper.getSdDir(cid)); 13265 } 13266 13267 void createCopyFile() { 13268 cid = mInstallerService.allocateExternalStageCidLegacy(); 13269 } 13270 13271 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13272 if (origin.staged && origin.cid != null) { 13273 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13274 cid = origin.cid; 13275 setMountPath(PackageHelper.getSdDir(cid)); 13276 return PackageManager.INSTALL_SUCCEEDED; 13277 } 13278 13279 if (temp) { 13280 createCopyFile(); 13281 } else { 13282 /* 13283 * Pre-emptively destroy the container since it's destroyed if 13284 * copying fails due to it existing anyway. 13285 */ 13286 PackageHelper.destroySdDir(cid); 13287 } 13288 13289 final String newMountPath = imcs.copyPackageToContainer( 13290 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13291 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13292 13293 if (newMountPath != null) { 13294 setMountPath(newMountPath); 13295 return PackageManager.INSTALL_SUCCEEDED; 13296 } else { 13297 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13298 } 13299 } 13300 13301 @Override 13302 String getCodePath() { 13303 return packagePath; 13304 } 13305 13306 @Override 13307 String getResourcePath() { 13308 return resourcePath; 13309 } 13310 13311 int doPreInstall(int status) { 13312 if (status != PackageManager.INSTALL_SUCCEEDED) { 13313 // Destroy container 13314 PackageHelper.destroySdDir(cid); 13315 } else { 13316 boolean mounted = PackageHelper.isContainerMounted(cid); 13317 if (!mounted) { 13318 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13319 Process.SYSTEM_UID); 13320 if (newMountPath != null) { 13321 setMountPath(newMountPath); 13322 } else { 13323 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13324 } 13325 } 13326 } 13327 return status; 13328 } 13329 13330 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13331 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13332 String newMountPath = null; 13333 if (PackageHelper.isContainerMounted(cid)) { 13334 // Unmount the container 13335 if (!PackageHelper.unMountSdDir(cid)) { 13336 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13337 return false; 13338 } 13339 } 13340 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13341 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13342 " which might be stale. Will try to clean up."); 13343 // Clean up the stale container and proceed to recreate. 13344 if (!PackageHelper.destroySdDir(newCacheId)) { 13345 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13346 return false; 13347 } 13348 // Successfully cleaned up stale container. Try to rename again. 13349 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13350 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13351 + " inspite of cleaning it up."); 13352 return false; 13353 } 13354 } 13355 if (!PackageHelper.isContainerMounted(newCacheId)) { 13356 Slog.w(TAG, "Mounting container " + newCacheId); 13357 newMountPath = PackageHelper.mountSdDir(newCacheId, 13358 getEncryptKey(), Process.SYSTEM_UID); 13359 } else { 13360 newMountPath = PackageHelper.getSdDir(newCacheId); 13361 } 13362 if (newMountPath == null) { 13363 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13364 return false; 13365 } 13366 Log.i(TAG, "Succesfully renamed " + cid + 13367 " to " + newCacheId + 13368 " at new path: " + newMountPath); 13369 cid = newCacheId; 13370 13371 final File beforeCodeFile = new File(packagePath); 13372 setMountPath(newMountPath); 13373 final File afterCodeFile = new File(packagePath); 13374 13375 // Reflect the rename in scanned details 13376 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13377 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13378 afterCodeFile, pkg.baseCodePath)); 13379 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13380 afterCodeFile, pkg.splitCodePaths)); 13381 13382 // Reflect the rename in app info 13383 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13384 pkg.setApplicationInfoCodePath(pkg.codePath); 13385 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13386 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13387 pkg.setApplicationInfoResourcePath(pkg.codePath); 13388 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13389 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13390 13391 return true; 13392 } 13393 13394 private void setMountPath(String mountPath) { 13395 final File mountFile = new File(mountPath); 13396 13397 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13398 if (monolithicFile.exists()) { 13399 packagePath = monolithicFile.getAbsolutePath(); 13400 if (isFwdLocked()) { 13401 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13402 } else { 13403 resourcePath = packagePath; 13404 } 13405 } else { 13406 packagePath = mountFile.getAbsolutePath(); 13407 resourcePath = packagePath; 13408 } 13409 } 13410 13411 int doPostInstall(int status, int uid) { 13412 if (status != PackageManager.INSTALL_SUCCEEDED) { 13413 cleanUp(); 13414 } else { 13415 final int groupOwner; 13416 final String protectedFile; 13417 if (isFwdLocked()) { 13418 groupOwner = UserHandle.getSharedAppGid(uid); 13419 protectedFile = RES_FILE_NAME; 13420 } else { 13421 groupOwner = -1; 13422 protectedFile = null; 13423 } 13424 13425 if (uid < Process.FIRST_APPLICATION_UID 13426 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13427 Slog.e(TAG, "Failed to finalize " + cid); 13428 PackageHelper.destroySdDir(cid); 13429 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13430 } 13431 13432 boolean mounted = PackageHelper.isContainerMounted(cid); 13433 if (!mounted) { 13434 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13435 } 13436 } 13437 return status; 13438 } 13439 13440 private void cleanUp() { 13441 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13442 13443 // Destroy secure container 13444 PackageHelper.destroySdDir(cid); 13445 } 13446 13447 private List<String> getAllCodePaths() { 13448 final File codeFile = new File(getCodePath()); 13449 if (codeFile != null && codeFile.exists()) { 13450 try { 13451 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13452 return pkg.getAllCodePaths(); 13453 } catch (PackageParserException e) { 13454 // Ignored; we tried our best 13455 } 13456 } 13457 return Collections.EMPTY_LIST; 13458 } 13459 13460 void cleanUpResourcesLI() { 13461 // Enumerate all code paths before deleting 13462 cleanUpResourcesLI(getAllCodePaths()); 13463 } 13464 13465 private void cleanUpResourcesLI(List<String> allCodePaths) { 13466 cleanUp(); 13467 removeDexFiles(allCodePaths, instructionSets); 13468 } 13469 13470 String getPackageName() { 13471 return getAsecPackageName(cid); 13472 } 13473 13474 boolean doPostDeleteLI(boolean delete) { 13475 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13476 final List<String> allCodePaths = getAllCodePaths(); 13477 boolean mounted = PackageHelper.isContainerMounted(cid); 13478 if (mounted) { 13479 // Unmount first 13480 if (PackageHelper.unMountSdDir(cid)) { 13481 mounted = false; 13482 } 13483 } 13484 if (!mounted && delete) { 13485 cleanUpResourcesLI(allCodePaths); 13486 } 13487 return !mounted; 13488 } 13489 13490 @Override 13491 int doPreCopy() { 13492 if (isFwdLocked()) { 13493 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13494 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13495 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13496 } 13497 } 13498 13499 return PackageManager.INSTALL_SUCCEEDED; 13500 } 13501 13502 @Override 13503 int doPostCopy(int uid) { 13504 if (isFwdLocked()) { 13505 if (uid < Process.FIRST_APPLICATION_UID 13506 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13507 RES_FILE_NAME)) { 13508 Slog.e(TAG, "Failed to finalize " + cid); 13509 PackageHelper.destroySdDir(cid); 13510 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13511 } 13512 } 13513 13514 return PackageManager.INSTALL_SUCCEEDED; 13515 } 13516 } 13517 13518 /** 13519 * Logic to handle movement of existing installed applications. 13520 */ 13521 class MoveInstallArgs extends InstallArgs { 13522 private File codeFile; 13523 private File resourceFile; 13524 13525 /** New install */ 13526 MoveInstallArgs(InstallParams params) { 13527 super(params.origin, params.move, params.observer, params.installFlags, 13528 params.installerPackageName, params.volumeUuid, 13529 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13530 params.grantedRuntimePermissions, 13531 params.traceMethod, params.traceCookie, params.certificates); 13532 } 13533 13534 int copyApk(IMediaContainerService imcs, boolean temp) { 13535 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13536 + move.fromUuid + " to " + move.toUuid); 13537 synchronized (mInstaller) { 13538 try { 13539 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13540 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13541 } catch (InstallerException e) { 13542 Slog.w(TAG, "Failed to move app", e); 13543 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13544 } 13545 } 13546 13547 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13548 resourceFile = codeFile; 13549 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13550 13551 return PackageManager.INSTALL_SUCCEEDED; 13552 } 13553 13554 int doPreInstall(int status) { 13555 if (status != PackageManager.INSTALL_SUCCEEDED) { 13556 cleanUp(move.toUuid); 13557 } 13558 return status; 13559 } 13560 13561 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13562 if (status != PackageManager.INSTALL_SUCCEEDED) { 13563 cleanUp(move.toUuid); 13564 return false; 13565 } 13566 13567 // Reflect the move in app info 13568 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13569 pkg.setApplicationInfoCodePath(pkg.codePath); 13570 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13571 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13572 pkg.setApplicationInfoResourcePath(pkg.codePath); 13573 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13574 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13575 13576 return true; 13577 } 13578 13579 int doPostInstall(int status, int uid) { 13580 if (status == PackageManager.INSTALL_SUCCEEDED) { 13581 cleanUp(move.fromUuid); 13582 } else { 13583 cleanUp(move.toUuid); 13584 } 13585 return status; 13586 } 13587 13588 @Override 13589 String getCodePath() { 13590 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13591 } 13592 13593 @Override 13594 String getResourcePath() { 13595 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13596 } 13597 13598 private boolean cleanUp(String volumeUuid) { 13599 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13600 move.dataAppName); 13601 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13602 final int[] userIds = sUserManager.getUserIds(); 13603 synchronized (mInstallLock) { 13604 // Clean up both app data and code 13605 // All package moves are frozen until finished 13606 for (int userId : userIds) { 13607 try { 13608 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13609 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13610 } catch (InstallerException e) { 13611 Slog.w(TAG, String.valueOf(e)); 13612 } 13613 } 13614 removeCodePathLI(codeFile); 13615 } 13616 return true; 13617 } 13618 13619 void cleanUpResourcesLI() { 13620 throw new UnsupportedOperationException(); 13621 } 13622 13623 boolean doPostDeleteLI(boolean delete) { 13624 throw new UnsupportedOperationException(); 13625 } 13626 } 13627 13628 static String getAsecPackageName(String packageCid) { 13629 int idx = packageCid.lastIndexOf("-"); 13630 if (idx == -1) { 13631 return packageCid; 13632 } 13633 return packageCid.substring(0, idx); 13634 } 13635 13636 // Utility method used to create code paths based on package name and available index. 13637 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13638 String idxStr = ""; 13639 int idx = 1; 13640 // Fall back to default value of idx=1 if prefix is not 13641 // part of oldCodePath 13642 if (oldCodePath != null) { 13643 String subStr = oldCodePath; 13644 // Drop the suffix right away 13645 if (suffix != null && subStr.endsWith(suffix)) { 13646 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13647 } 13648 // If oldCodePath already contains prefix find out the 13649 // ending index to either increment or decrement. 13650 int sidx = subStr.lastIndexOf(prefix); 13651 if (sidx != -1) { 13652 subStr = subStr.substring(sidx + prefix.length()); 13653 if (subStr != null) { 13654 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13655 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13656 } 13657 try { 13658 idx = Integer.parseInt(subStr); 13659 if (idx <= 1) { 13660 idx++; 13661 } else { 13662 idx--; 13663 } 13664 } catch(NumberFormatException e) { 13665 } 13666 } 13667 } 13668 } 13669 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13670 return prefix + idxStr; 13671 } 13672 13673 private File getNextCodePath(File targetDir, String packageName) { 13674 int suffix = 1; 13675 File result; 13676 do { 13677 result = new File(targetDir, packageName + "-" + suffix); 13678 suffix++; 13679 } while (result.exists()); 13680 return result; 13681 } 13682 13683 // Utility method that returns the relative package path with respect 13684 // to the installation directory. Like say for /data/data/com.test-1.apk 13685 // string com.test-1 is returned. 13686 static String deriveCodePathName(String codePath) { 13687 if (codePath == null) { 13688 return null; 13689 } 13690 final File codeFile = new File(codePath); 13691 final String name = codeFile.getName(); 13692 if (codeFile.isDirectory()) { 13693 return name; 13694 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13695 final int lastDot = name.lastIndexOf('.'); 13696 return name.substring(0, lastDot); 13697 } else { 13698 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13699 return null; 13700 } 13701 } 13702 13703 static class PackageInstalledInfo { 13704 String name; 13705 int uid; 13706 // The set of users that originally had this package installed. 13707 int[] origUsers; 13708 // The set of users that now have this package installed. 13709 int[] newUsers; 13710 PackageParser.Package pkg; 13711 int returnCode; 13712 String returnMsg; 13713 PackageRemovedInfo removedInfo; 13714 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13715 13716 public void setError(int code, String msg) { 13717 setReturnCode(code); 13718 setReturnMessage(msg); 13719 Slog.w(TAG, msg); 13720 } 13721 13722 public void setError(String msg, PackageParserException e) { 13723 setReturnCode(e.error); 13724 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13725 Slog.w(TAG, msg, e); 13726 } 13727 13728 public void setError(String msg, PackageManagerException e) { 13729 returnCode = e.error; 13730 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13731 Slog.w(TAG, msg, e); 13732 } 13733 13734 public void setReturnCode(int returnCode) { 13735 this.returnCode = returnCode; 13736 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13737 for (int i = 0; i < childCount; i++) { 13738 addedChildPackages.valueAt(i).returnCode = returnCode; 13739 } 13740 } 13741 13742 private void setReturnMessage(String returnMsg) { 13743 this.returnMsg = returnMsg; 13744 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13745 for (int i = 0; i < childCount; i++) { 13746 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13747 } 13748 } 13749 13750 // In some error cases we want to convey more info back to the observer 13751 String origPackage; 13752 String origPermission; 13753 } 13754 13755 /* 13756 * Install a non-existing package. 13757 */ 13758 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13759 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13760 PackageInstalledInfo res) { 13761 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13762 13763 // Remember this for later, in case we need to rollback this install 13764 String pkgName = pkg.packageName; 13765 13766 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13767 13768 synchronized(mPackages) { 13769 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13770 // A package with the same name is already installed, though 13771 // it has been renamed to an older name. The package we 13772 // are trying to install should be installed as an update to 13773 // the existing one, but that has not been requested, so bail. 13774 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13775 + " without first uninstalling package running as " 13776 + mSettings.mRenamedPackages.get(pkgName)); 13777 return; 13778 } 13779 if (mPackages.containsKey(pkgName)) { 13780 // Don't allow installation over an existing package with the same name. 13781 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13782 + " without first uninstalling."); 13783 return; 13784 } 13785 } 13786 13787 try { 13788 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13789 System.currentTimeMillis(), user); 13790 13791 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13792 13793 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13794 prepareAppDataAfterInstallLIF(newPackage); 13795 13796 } else { 13797 // Remove package from internal structures, but keep around any 13798 // data that might have already existed 13799 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13800 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13801 } 13802 } catch (PackageManagerException e) { 13803 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13804 } 13805 13806 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13807 } 13808 13809 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13810 // Can't rotate keys during boot or if sharedUser. 13811 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13812 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13813 return false; 13814 } 13815 // app is using upgradeKeySets; make sure all are valid 13816 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13817 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13818 for (int i = 0; i < upgradeKeySets.length; i++) { 13819 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13820 Slog.wtf(TAG, "Package " 13821 + (oldPs.name != null ? oldPs.name : "<null>") 13822 + " contains upgrade-key-set reference to unknown key-set: " 13823 + upgradeKeySets[i] 13824 + " reverting to signatures check."); 13825 return false; 13826 } 13827 } 13828 return true; 13829 } 13830 13831 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13832 // Upgrade keysets are being used. Determine if new package has a superset of the 13833 // required keys. 13834 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13835 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13836 for (int i = 0; i < upgradeKeySets.length; i++) { 13837 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13838 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13839 return true; 13840 } 13841 } 13842 return false; 13843 } 13844 13845 private static void updateDigest(MessageDigest digest, File file) throws IOException { 13846 try (DigestInputStream digestStream = 13847 new DigestInputStream(new FileInputStream(file), digest)) { 13848 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 13849 } 13850 } 13851 13852 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13853 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13854 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13855 13856 final PackageParser.Package oldPackage; 13857 final String pkgName = pkg.packageName; 13858 final int[] allUsers; 13859 final int[] installedUsers; 13860 13861 synchronized(mPackages) { 13862 oldPackage = mPackages.get(pkgName); 13863 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13864 13865 // don't allow upgrade to target a release SDK from a pre-release SDK 13866 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13867 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13868 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13869 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13870 if (oldTargetsPreRelease 13871 && !newTargetsPreRelease 13872 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13873 Slog.w(TAG, "Can't install package targeting released sdk"); 13874 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13875 return; 13876 } 13877 13878 // don't allow an upgrade from full to ephemeral 13879 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13880 if (isEphemeral && !oldIsEphemeral) { 13881 // can't downgrade from full to ephemeral 13882 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13883 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13884 return; 13885 } 13886 13887 // verify signatures are valid 13888 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13889 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13890 if (!checkUpgradeKeySetLP(ps, pkg)) { 13891 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13892 "New package not signed by keys specified by upgrade-keysets: " 13893 + pkgName); 13894 return; 13895 } 13896 } else { 13897 // default to original signature matching 13898 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13899 != PackageManager.SIGNATURE_MATCH) { 13900 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13901 "New package has a different signature: " + pkgName); 13902 return; 13903 } 13904 } 13905 13906 // don't allow a system upgrade unless the upgrade hash matches 13907 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 13908 byte[] digestBytes = null; 13909 try { 13910 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 13911 updateDigest(digest, new File(pkg.baseCodePath)); 13912 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 13913 for (String path : pkg.splitCodePaths) { 13914 updateDigest(digest, new File(path)); 13915 } 13916 } 13917 digestBytes = digest.digest(); 13918 } catch (NoSuchAlgorithmException | IOException e) { 13919 res.setError(INSTALL_FAILED_INVALID_APK, 13920 "Could not compute hash: " + pkgName); 13921 return; 13922 } 13923 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 13924 res.setError(INSTALL_FAILED_INVALID_APK, 13925 "New package fails restrict-update check: " + pkgName); 13926 return; 13927 } 13928 // retain upgrade restriction 13929 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 13930 } 13931 13932 // Check for shared user id changes 13933 String invalidPackageName = 13934 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13935 if (invalidPackageName != null) { 13936 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13937 "Package " + invalidPackageName + " tried to change user " 13938 + oldPackage.mSharedUserId); 13939 return; 13940 } 13941 13942 // In case of rollback, remember per-user/profile install state 13943 allUsers = sUserManager.getUserIds(); 13944 installedUsers = ps.queryInstalledUsers(allUsers, true); 13945 } 13946 13947 // Update what is removed 13948 res.removedInfo = new PackageRemovedInfo(); 13949 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13950 res.removedInfo.removedPackage = oldPackage.packageName; 13951 res.removedInfo.isUpdate = true; 13952 res.removedInfo.origUsers = installedUsers; 13953 final int childCount = (oldPackage.childPackages != null) 13954 ? oldPackage.childPackages.size() : 0; 13955 for (int i = 0; i < childCount; i++) { 13956 boolean childPackageUpdated = false; 13957 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13958 if (res.addedChildPackages != null) { 13959 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13960 if (childRes != null) { 13961 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13962 childRes.removedInfo.removedPackage = childPkg.packageName; 13963 childRes.removedInfo.isUpdate = true; 13964 childPackageUpdated = true; 13965 } 13966 } 13967 if (!childPackageUpdated) { 13968 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13969 childRemovedRes.removedPackage = childPkg.packageName; 13970 childRemovedRes.isUpdate = false; 13971 childRemovedRes.dataRemoved = true; 13972 synchronized (mPackages) { 13973 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13974 if (childPs != null) { 13975 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13976 } 13977 } 13978 if (res.removedInfo.removedChildPackages == null) { 13979 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13980 } 13981 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13982 } 13983 } 13984 13985 boolean sysPkg = (isSystemApp(oldPackage)); 13986 if (sysPkg) { 13987 // Set the system/privileged flags as needed 13988 final boolean privileged = 13989 (oldPackage.applicationInfo.privateFlags 13990 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13991 final int systemPolicyFlags = policyFlags 13992 | PackageParser.PARSE_IS_SYSTEM 13993 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 13994 13995 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 13996 user, allUsers, installerPackageName, res); 13997 } else { 13998 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 13999 user, allUsers, installerPackageName, res); 14000 } 14001 } 14002 14003 public List<String> getPreviousCodePaths(String packageName) { 14004 final PackageSetting ps = mSettings.mPackages.get(packageName); 14005 final List<String> result = new ArrayList<String>(); 14006 if (ps != null && ps.oldCodePaths != null) { 14007 result.addAll(ps.oldCodePaths); 14008 } 14009 return result; 14010 } 14011 14012 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14013 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14014 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14015 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14016 + deletedPackage); 14017 14018 String pkgName = deletedPackage.packageName; 14019 boolean deletedPkg = true; 14020 boolean addedPkg = false; 14021 boolean updatedSettings = false; 14022 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14023 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14024 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14025 14026 final long origUpdateTime = (pkg.mExtras != null) 14027 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14028 14029 // First delete the existing package while retaining the data directory 14030 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14031 res.removedInfo, true, pkg)) { 14032 // If the existing package wasn't successfully deleted 14033 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14034 deletedPkg = false; 14035 } else { 14036 // Successfully deleted the old package; proceed with replace. 14037 14038 // If deleted package lived in a container, give users a chance to 14039 // relinquish resources before killing. 14040 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14041 if (DEBUG_INSTALL) { 14042 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14043 } 14044 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14045 final ArrayList<String> pkgList = new ArrayList<String>(1); 14046 pkgList.add(deletedPackage.applicationInfo.packageName); 14047 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14048 } 14049 14050 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14051 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14052 clearAppProfilesLIF(pkg); 14053 14054 try { 14055 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14056 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14057 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14058 14059 // Update the in-memory copy of the previous code paths. 14060 PackageSetting ps = mSettings.mPackages.get(pkgName); 14061 if (!killApp) { 14062 if (ps.oldCodePaths == null) { 14063 ps.oldCodePaths = new ArraySet<>(); 14064 } 14065 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14066 if (deletedPackage.splitCodePaths != null) { 14067 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14068 } 14069 } else { 14070 ps.oldCodePaths = null; 14071 } 14072 if (ps.childPackageNames != null) { 14073 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14074 final String childPkgName = ps.childPackageNames.get(i); 14075 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14076 childPs.oldCodePaths = ps.oldCodePaths; 14077 } 14078 } 14079 prepareAppDataAfterInstallLIF(newPackage); 14080 addedPkg = true; 14081 } catch (PackageManagerException e) { 14082 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14083 } 14084 } 14085 14086 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14087 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14088 14089 // Revert all internal state mutations and added folders for the failed install 14090 if (addedPkg) { 14091 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14092 res.removedInfo, true, null); 14093 } 14094 14095 // Restore the old package 14096 if (deletedPkg) { 14097 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14098 File restoreFile = new File(deletedPackage.codePath); 14099 // Parse old package 14100 boolean oldExternal = isExternal(deletedPackage); 14101 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14102 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14103 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14104 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14105 try { 14106 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14107 null); 14108 } catch (PackageManagerException e) { 14109 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14110 + e.getMessage()); 14111 return; 14112 } 14113 14114 synchronized (mPackages) { 14115 // Ensure the installer package name up to date 14116 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14117 14118 // Update permissions for restored package 14119 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14120 14121 mSettings.writeLPr(); 14122 } 14123 14124 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14125 } 14126 } else { 14127 synchronized (mPackages) { 14128 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14129 if (ps != null) { 14130 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14131 if (res.removedInfo.removedChildPackages != null) { 14132 final int childCount = res.removedInfo.removedChildPackages.size(); 14133 // Iterate in reverse as we may modify the collection 14134 for (int i = childCount - 1; i >= 0; i--) { 14135 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14136 if (res.addedChildPackages.containsKey(childPackageName)) { 14137 res.removedInfo.removedChildPackages.removeAt(i); 14138 } else { 14139 PackageRemovedInfo childInfo = res.removedInfo 14140 .removedChildPackages.valueAt(i); 14141 childInfo.removedForAllUsers = mPackages.get( 14142 childInfo.removedPackage) == null; 14143 } 14144 } 14145 } 14146 } 14147 } 14148 } 14149 } 14150 14151 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14152 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14153 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14154 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14155 + ", old=" + deletedPackage); 14156 14157 final boolean disabledSystem; 14158 14159 // Remove existing system package 14160 removePackageLI(deletedPackage, true); 14161 14162 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14163 if (!disabledSystem) { 14164 // We didn't need to disable the .apk as a current system package, 14165 // which means we are replacing another update that is already 14166 // installed. We need to make sure to delete the older one's .apk. 14167 res.removedInfo.args = createInstallArgsForExisting(0, 14168 deletedPackage.applicationInfo.getCodePath(), 14169 deletedPackage.applicationInfo.getResourcePath(), 14170 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14171 } else { 14172 res.removedInfo.args = null; 14173 } 14174 14175 // Successfully disabled the old package. Now proceed with re-installation 14176 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14177 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14178 clearAppProfilesLIF(pkg); 14179 14180 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14181 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14182 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14183 14184 PackageParser.Package newPackage = null; 14185 try { 14186 // Add the package to the internal data structures 14187 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14188 14189 // Set the update and install times 14190 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14191 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14192 System.currentTimeMillis()); 14193 14194 // Update the package dynamic state if succeeded 14195 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14196 // Now that the install succeeded make sure we remove data 14197 // directories for any child package the update removed. 14198 final int deletedChildCount = (deletedPackage.childPackages != null) 14199 ? deletedPackage.childPackages.size() : 0; 14200 final int newChildCount = (newPackage.childPackages != null) 14201 ? newPackage.childPackages.size() : 0; 14202 for (int i = 0; i < deletedChildCount; i++) { 14203 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14204 boolean childPackageDeleted = true; 14205 for (int j = 0; j < newChildCount; j++) { 14206 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14207 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14208 childPackageDeleted = false; 14209 break; 14210 } 14211 } 14212 if (childPackageDeleted) { 14213 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14214 deletedChildPkg.packageName); 14215 if (ps != null && res.removedInfo.removedChildPackages != null) { 14216 PackageRemovedInfo removedChildRes = res.removedInfo 14217 .removedChildPackages.get(deletedChildPkg.packageName); 14218 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14219 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14220 } 14221 } 14222 } 14223 14224 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14225 prepareAppDataAfterInstallLIF(newPackage); 14226 } 14227 } catch (PackageManagerException e) { 14228 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14229 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14230 } 14231 14232 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14233 // Re installation failed. Restore old information 14234 // Remove new pkg information 14235 if (newPackage != null) { 14236 removeInstalledPackageLI(newPackage, true); 14237 } 14238 // Add back the old system package 14239 try { 14240 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14241 } catch (PackageManagerException e) { 14242 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14243 } 14244 14245 synchronized (mPackages) { 14246 if (disabledSystem) { 14247 enableSystemPackageLPw(deletedPackage); 14248 } 14249 14250 // Ensure the installer package name up to date 14251 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14252 14253 // Update permissions for restored package 14254 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14255 14256 mSettings.writeLPr(); 14257 } 14258 14259 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14260 + " after failed upgrade"); 14261 } 14262 } 14263 14264 /** 14265 * Checks whether the parent or any of the child packages have a change shared 14266 * user. For a package to be a valid update the shred users of the parent and 14267 * the children should match. We may later support changing child shared users. 14268 * @param oldPkg The updated package. 14269 * @param newPkg The update package. 14270 * @return The shared user that change between the versions. 14271 */ 14272 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14273 PackageParser.Package newPkg) { 14274 // Check parent shared user 14275 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14276 return newPkg.packageName; 14277 } 14278 // Check child shared users 14279 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14280 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14281 for (int i = 0; i < newChildCount; i++) { 14282 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14283 // If this child was present, did it have the same shared user? 14284 for (int j = 0; j < oldChildCount; j++) { 14285 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14286 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14287 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14288 return newChildPkg.packageName; 14289 } 14290 } 14291 } 14292 return null; 14293 } 14294 14295 private void removeNativeBinariesLI(PackageSetting ps) { 14296 // Remove the lib path for the parent package 14297 if (ps != null) { 14298 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14299 // Remove the lib path for the child packages 14300 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14301 for (int i = 0; i < childCount; i++) { 14302 PackageSetting childPs = null; 14303 synchronized (mPackages) { 14304 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14305 } 14306 if (childPs != null) { 14307 NativeLibraryHelper.removeNativeBinariesLI(childPs 14308 .legacyNativeLibraryPathString); 14309 } 14310 } 14311 } 14312 } 14313 14314 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14315 // Enable the parent package 14316 mSettings.enableSystemPackageLPw(pkg.packageName); 14317 // Enable the child packages 14318 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14319 for (int i = 0; i < childCount; i++) { 14320 PackageParser.Package childPkg = pkg.childPackages.get(i); 14321 mSettings.enableSystemPackageLPw(childPkg.packageName); 14322 } 14323 } 14324 14325 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14326 PackageParser.Package newPkg) { 14327 // Disable the parent package (parent always replaced) 14328 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14329 // Disable the child packages 14330 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14331 for (int i = 0; i < childCount; i++) { 14332 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14333 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14334 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14335 } 14336 return disabled; 14337 } 14338 14339 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14340 String installerPackageName) { 14341 // Enable the parent package 14342 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14343 // Enable the child packages 14344 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14345 for (int i = 0; i < childCount; i++) { 14346 PackageParser.Package childPkg = pkg.childPackages.get(i); 14347 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14348 } 14349 } 14350 14351 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14352 // Collect all used permissions in the UID 14353 ArraySet<String> usedPermissions = new ArraySet<>(); 14354 final int packageCount = su.packages.size(); 14355 for (int i = 0; i < packageCount; i++) { 14356 PackageSetting ps = su.packages.valueAt(i); 14357 if (ps.pkg == null) { 14358 continue; 14359 } 14360 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14361 for (int j = 0; j < requestedPermCount; j++) { 14362 String permission = ps.pkg.requestedPermissions.get(j); 14363 BasePermission bp = mSettings.mPermissions.get(permission); 14364 if (bp != null) { 14365 usedPermissions.add(permission); 14366 } 14367 } 14368 } 14369 14370 PermissionsState permissionsState = su.getPermissionsState(); 14371 // Prune install permissions 14372 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14373 final int installPermCount = installPermStates.size(); 14374 for (int i = installPermCount - 1; i >= 0; i--) { 14375 PermissionState permissionState = installPermStates.get(i); 14376 if (!usedPermissions.contains(permissionState.getName())) { 14377 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14378 if (bp != null) { 14379 permissionsState.revokeInstallPermission(bp); 14380 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14381 PackageManager.MASK_PERMISSION_FLAGS, 0); 14382 } 14383 } 14384 } 14385 14386 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14387 14388 // Prune runtime permissions 14389 for (int userId : allUserIds) { 14390 List<PermissionState> runtimePermStates = permissionsState 14391 .getRuntimePermissionStates(userId); 14392 final int runtimePermCount = runtimePermStates.size(); 14393 for (int i = runtimePermCount - 1; i >= 0; i--) { 14394 PermissionState permissionState = runtimePermStates.get(i); 14395 if (!usedPermissions.contains(permissionState.getName())) { 14396 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14397 if (bp != null) { 14398 permissionsState.revokeRuntimePermission(bp, userId); 14399 permissionsState.updatePermissionFlags(bp, userId, 14400 PackageManager.MASK_PERMISSION_FLAGS, 0); 14401 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14402 runtimePermissionChangedUserIds, userId); 14403 } 14404 } 14405 } 14406 } 14407 14408 return runtimePermissionChangedUserIds; 14409 } 14410 14411 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14412 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14413 // Update the parent package setting 14414 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14415 res, user); 14416 // Update the child packages setting 14417 final int childCount = (newPackage.childPackages != null) 14418 ? newPackage.childPackages.size() : 0; 14419 for (int i = 0; i < childCount; i++) { 14420 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14421 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14422 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14423 childRes.origUsers, childRes, user); 14424 } 14425 } 14426 14427 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14428 String installerPackageName, int[] allUsers, int[] installedForUsers, 14429 PackageInstalledInfo res, UserHandle user) { 14430 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14431 14432 String pkgName = newPackage.packageName; 14433 synchronized (mPackages) { 14434 //write settings. the installStatus will be incomplete at this stage. 14435 //note that the new package setting would have already been 14436 //added to mPackages. It hasn't been persisted yet. 14437 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14439 mSettings.writeLPr(); 14440 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14441 } 14442 14443 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14444 synchronized (mPackages) { 14445 updatePermissionsLPw(newPackage.packageName, newPackage, 14446 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14447 ? UPDATE_PERMISSIONS_ALL : 0)); 14448 // For system-bundled packages, we assume that installing an upgraded version 14449 // of the package implies that the user actually wants to run that new code, 14450 // so we enable the package. 14451 PackageSetting ps = mSettings.mPackages.get(pkgName); 14452 final int userId = user.getIdentifier(); 14453 if (ps != null) { 14454 if (isSystemApp(newPackage)) { 14455 if (DEBUG_INSTALL) { 14456 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14457 } 14458 // Enable system package for requested users 14459 if (res.origUsers != null) { 14460 for (int origUserId : res.origUsers) { 14461 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14462 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14463 origUserId, installerPackageName); 14464 } 14465 } 14466 } 14467 // Also convey the prior install/uninstall state 14468 if (allUsers != null && installedForUsers != null) { 14469 for (int currentUserId : allUsers) { 14470 final boolean installed = ArrayUtils.contains( 14471 installedForUsers, currentUserId); 14472 if (DEBUG_INSTALL) { 14473 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14474 } 14475 ps.setInstalled(installed, currentUserId); 14476 } 14477 // these install state changes will be persisted in the 14478 // upcoming call to mSettings.writeLPr(). 14479 } 14480 } 14481 // It's implied that when a user requests installation, they want the app to be 14482 // installed and enabled. 14483 if (userId != UserHandle.USER_ALL) { 14484 ps.setInstalled(true, userId); 14485 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14486 } 14487 } 14488 res.name = pkgName; 14489 res.uid = newPackage.applicationInfo.uid; 14490 res.pkg = newPackage; 14491 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14492 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14493 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14494 //to update install status 14495 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14496 mSettings.writeLPr(); 14497 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14498 } 14499 14500 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14501 } 14502 14503 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14504 try { 14505 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14506 installPackageLI(args, res); 14507 } finally { 14508 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14509 } 14510 } 14511 14512 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14513 final int installFlags = args.installFlags; 14514 final String installerPackageName = args.installerPackageName; 14515 final String volumeUuid = args.volumeUuid; 14516 final File tmpPackageFile = new File(args.getCodePath()); 14517 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14518 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14519 || (args.volumeUuid != null)); 14520 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14521 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14522 boolean replace = false; 14523 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14524 if (args.move != null) { 14525 // moving a complete application; perform an initial scan on the new install location 14526 scanFlags |= SCAN_INITIAL; 14527 } 14528 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14529 scanFlags |= SCAN_DONT_KILL_APP; 14530 } 14531 14532 // Result object to be returned 14533 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14534 14535 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14536 14537 // Sanity check 14538 if (ephemeral && (forwardLocked || onExternal)) { 14539 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14540 + " external=" + onExternal); 14541 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14542 return; 14543 } 14544 14545 // Retrieve PackageSettings and parse package 14546 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14547 | PackageParser.PARSE_ENFORCE_CODE 14548 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14549 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14550 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14551 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14552 PackageParser pp = new PackageParser(); 14553 pp.setSeparateProcesses(mSeparateProcesses); 14554 pp.setDisplayMetrics(mMetrics); 14555 14556 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14557 final PackageParser.Package pkg; 14558 try { 14559 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14560 } catch (PackageParserException e) { 14561 res.setError("Failed parse during installPackageLI", e); 14562 return; 14563 } finally { 14564 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14565 } 14566 14567 // If we are installing a clustered package add results for the children 14568 if (pkg.childPackages != null) { 14569 synchronized (mPackages) { 14570 final int childCount = pkg.childPackages.size(); 14571 for (int i = 0; i < childCount; i++) { 14572 PackageParser.Package childPkg = pkg.childPackages.get(i); 14573 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14574 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14575 childRes.pkg = childPkg; 14576 childRes.name = childPkg.packageName; 14577 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14578 if (childPs != null) { 14579 childRes.origUsers = childPs.queryInstalledUsers( 14580 sUserManager.getUserIds(), true); 14581 } 14582 if ((mPackages.containsKey(childPkg.packageName))) { 14583 childRes.removedInfo = new PackageRemovedInfo(); 14584 childRes.removedInfo.removedPackage = childPkg.packageName; 14585 } 14586 if (res.addedChildPackages == null) { 14587 res.addedChildPackages = new ArrayMap<>(); 14588 } 14589 res.addedChildPackages.put(childPkg.packageName, childRes); 14590 } 14591 } 14592 } 14593 14594 // If package doesn't declare API override, mark that we have an install 14595 // time CPU ABI override. 14596 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14597 pkg.cpuAbiOverride = args.abiOverride; 14598 } 14599 14600 String pkgName = res.name = pkg.packageName; 14601 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14602 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14603 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14604 return; 14605 } 14606 } 14607 14608 try { 14609 // either use what we've been given or parse directly from the APK 14610 if (args.certificates != null) { 14611 try { 14612 PackageParser.populateCertificates(pkg, args.certificates); 14613 } catch (PackageParserException e) { 14614 // there was something wrong with the certificates we were given; 14615 // try to pull them from the APK 14616 PackageParser.collectCertificates(pkg, parseFlags); 14617 } 14618 } else { 14619 PackageParser.collectCertificates(pkg, parseFlags); 14620 } 14621 } catch (PackageParserException e) { 14622 res.setError("Failed collect during installPackageLI", e); 14623 return; 14624 } 14625 14626 // Get rid of all references to package scan path via parser. 14627 pp = null; 14628 String oldCodePath = null; 14629 boolean systemApp = false; 14630 synchronized (mPackages) { 14631 // Check if installing already existing package 14632 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14633 String oldName = mSettings.mRenamedPackages.get(pkgName); 14634 if (pkg.mOriginalPackages != null 14635 && pkg.mOriginalPackages.contains(oldName) 14636 && mPackages.containsKey(oldName)) { 14637 // This package is derived from an original package, 14638 // and this device has been updating from that original 14639 // name. We must continue using the original name, so 14640 // rename the new package here. 14641 pkg.setPackageName(oldName); 14642 pkgName = pkg.packageName; 14643 replace = true; 14644 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14645 + oldName + " pkgName=" + pkgName); 14646 } else if (mPackages.containsKey(pkgName)) { 14647 // This package, under its official name, already exists 14648 // on the device; we should replace it. 14649 replace = true; 14650 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14651 } 14652 14653 // Child packages are installed through the parent package 14654 if (pkg.parentPackage != null) { 14655 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14656 "Package " + pkg.packageName + " is child of package " 14657 + pkg.parentPackage.parentPackage + ". Child packages " 14658 + "can be updated only through the parent package."); 14659 return; 14660 } 14661 14662 if (replace) { 14663 // Prevent apps opting out from runtime permissions 14664 PackageParser.Package oldPackage = mPackages.get(pkgName); 14665 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14666 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14667 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14668 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14669 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14670 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14671 + " doesn't support runtime permissions but the old" 14672 + " target SDK " + oldTargetSdk + " does."); 14673 return; 14674 } 14675 14676 // Prevent installing of child packages 14677 if (oldPackage.parentPackage != null) { 14678 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14679 "Package " + pkg.packageName + " is child of package " 14680 + oldPackage.parentPackage + ". Child packages " 14681 + "can be updated only through the parent package."); 14682 return; 14683 } 14684 } 14685 } 14686 14687 PackageSetting ps = mSettings.mPackages.get(pkgName); 14688 if (ps != null) { 14689 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14690 14691 // Quick sanity check that we're signed correctly if updating; 14692 // we'll check this again later when scanning, but we want to 14693 // bail early here before tripping over redefined permissions. 14694 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14695 if (!checkUpgradeKeySetLP(ps, pkg)) { 14696 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14697 + pkg.packageName + " upgrade keys do not match the " 14698 + "previously installed version"); 14699 return; 14700 } 14701 } else { 14702 try { 14703 verifySignaturesLP(ps, pkg); 14704 } catch (PackageManagerException e) { 14705 res.setError(e.error, e.getMessage()); 14706 return; 14707 } 14708 } 14709 14710 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14711 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14712 systemApp = (ps.pkg.applicationInfo.flags & 14713 ApplicationInfo.FLAG_SYSTEM) != 0; 14714 } 14715 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14716 } 14717 14718 // Check whether the newly-scanned package wants to define an already-defined perm 14719 int N = pkg.permissions.size(); 14720 for (int i = N-1; i >= 0; i--) { 14721 PackageParser.Permission perm = pkg.permissions.get(i); 14722 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14723 if (bp != null) { 14724 // If the defining package is signed with our cert, it's okay. This 14725 // also includes the "updating the same package" case, of course. 14726 // "updating same package" could also involve key-rotation. 14727 final boolean sigsOk; 14728 if (bp.sourcePackage.equals(pkg.packageName) 14729 && (bp.packageSetting instanceof PackageSetting) 14730 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14731 scanFlags))) { 14732 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14733 } else { 14734 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14735 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14736 } 14737 if (!sigsOk) { 14738 // If the owning package is the system itself, we log but allow 14739 // install to proceed; we fail the install on all other permission 14740 // redefinitions. 14741 if (!bp.sourcePackage.equals("android")) { 14742 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14743 + pkg.packageName + " attempting to redeclare permission " 14744 + perm.info.name + " already owned by " + bp.sourcePackage); 14745 res.origPermission = perm.info.name; 14746 res.origPackage = bp.sourcePackage; 14747 return; 14748 } else { 14749 Slog.w(TAG, "Package " + pkg.packageName 14750 + " attempting to redeclare system permission " 14751 + perm.info.name + "; ignoring new declaration"); 14752 pkg.permissions.remove(i); 14753 } 14754 } 14755 } 14756 } 14757 } 14758 14759 if (systemApp) { 14760 if (onExternal) { 14761 // Abort update; system app can't be replaced with app on sdcard 14762 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14763 "Cannot install updates to system apps on sdcard"); 14764 return; 14765 } else if (ephemeral) { 14766 // Abort update; system app can't be replaced with an ephemeral app 14767 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14768 "Cannot update a system app with an ephemeral app"); 14769 return; 14770 } 14771 } 14772 14773 if (args.move != null) { 14774 // We did an in-place move, so dex is ready to roll 14775 scanFlags |= SCAN_NO_DEX; 14776 scanFlags |= SCAN_MOVE; 14777 14778 synchronized (mPackages) { 14779 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14780 if (ps == null) { 14781 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14782 "Missing settings for moved package " + pkgName); 14783 } 14784 14785 // We moved the entire application as-is, so bring over the 14786 // previously derived ABI information. 14787 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14788 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14789 } 14790 14791 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14792 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14793 scanFlags |= SCAN_NO_DEX; 14794 14795 try { 14796 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14797 args.abiOverride : pkg.cpuAbiOverride); 14798 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14799 true /* extract libs */); 14800 } catch (PackageManagerException pme) { 14801 Slog.e(TAG, "Error deriving application ABI", pme); 14802 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14803 return; 14804 } 14805 14806 // Shared libraries for the package need to be updated. 14807 synchronized (mPackages) { 14808 try { 14809 updateSharedLibrariesLPw(pkg, null); 14810 } catch (PackageManagerException e) { 14811 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14812 } 14813 } 14814 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14815 // Do not run PackageDexOptimizer through the local performDexOpt 14816 // method because `pkg` is not in `mPackages` yet. 14817 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14818 null /* instructionSets */, false /* checkProfiles */, 14819 getCompilerFilterForReason(REASON_INSTALL)); 14820 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14821 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14822 String msg = "Extracting package failed for " + pkgName; 14823 res.setError(INSTALL_FAILED_DEXOPT, msg); 14824 return; 14825 } 14826 14827 // Notify BackgroundDexOptService that the package has been changed. 14828 // If this is an update of a package which used to fail to compile, 14829 // BDOS will remove it from its blacklist. 14830 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14831 } 14832 14833 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14834 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14835 return; 14836 } 14837 14838 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14839 14840 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14841 "installPackageLI")) { 14842 if (replace) { 14843 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14844 installerPackageName, res); 14845 } else { 14846 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14847 args.user, installerPackageName, volumeUuid, res); 14848 } 14849 } 14850 synchronized (mPackages) { 14851 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14852 if (ps != null) { 14853 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14854 } 14855 14856 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14857 for (int i = 0; i < childCount; i++) { 14858 PackageParser.Package childPkg = pkg.childPackages.get(i); 14859 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14860 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14861 if (childPs != null) { 14862 childRes.newUsers = childPs.queryInstalledUsers( 14863 sUserManager.getUserIds(), true); 14864 } 14865 } 14866 } 14867 } 14868 14869 private void startIntentFilterVerifications(int userId, boolean replacing, 14870 PackageParser.Package pkg) { 14871 if (mIntentFilterVerifierComponent == null) { 14872 Slog.w(TAG, "No IntentFilter verification will not be done as " 14873 + "there is no IntentFilterVerifier available!"); 14874 return; 14875 } 14876 14877 final int verifierUid = getPackageUid( 14878 mIntentFilterVerifierComponent.getPackageName(), 14879 MATCH_DEBUG_TRIAGED_MISSING, 14880 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14881 14882 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14883 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14884 mHandler.sendMessage(msg); 14885 14886 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14887 for (int i = 0; i < childCount; i++) { 14888 PackageParser.Package childPkg = pkg.childPackages.get(i); 14889 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14890 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14891 mHandler.sendMessage(msg); 14892 } 14893 } 14894 14895 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14896 PackageParser.Package pkg) { 14897 int size = pkg.activities.size(); 14898 if (size == 0) { 14899 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14900 "No activity, so no need to verify any IntentFilter!"); 14901 return; 14902 } 14903 14904 final boolean hasDomainURLs = hasDomainURLs(pkg); 14905 if (!hasDomainURLs) { 14906 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14907 "No domain URLs, so no need to verify any IntentFilter!"); 14908 return; 14909 } 14910 14911 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14912 + " if any IntentFilter from the " + size 14913 + " Activities needs verification ..."); 14914 14915 int count = 0; 14916 final String packageName = pkg.packageName; 14917 14918 synchronized (mPackages) { 14919 // If this is a new install and we see that we've already run verification for this 14920 // package, we have nothing to do: it means the state was restored from backup. 14921 if (!replacing) { 14922 IntentFilterVerificationInfo ivi = 14923 mSettings.getIntentFilterVerificationLPr(packageName); 14924 if (ivi != null) { 14925 if (DEBUG_DOMAIN_VERIFICATION) { 14926 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14927 + ivi.getStatusString()); 14928 } 14929 return; 14930 } 14931 } 14932 14933 // If any filters need to be verified, then all need to be. 14934 boolean needToVerify = false; 14935 for (PackageParser.Activity a : pkg.activities) { 14936 for (ActivityIntentInfo filter : a.intents) { 14937 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14938 if (DEBUG_DOMAIN_VERIFICATION) { 14939 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14940 } 14941 needToVerify = true; 14942 break; 14943 } 14944 } 14945 } 14946 14947 if (needToVerify) { 14948 final int verificationId = mIntentFilterVerificationToken++; 14949 for (PackageParser.Activity a : pkg.activities) { 14950 for (ActivityIntentInfo filter : a.intents) { 14951 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14952 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14953 "Verification needed for IntentFilter:" + filter.toString()); 14954 mIntentFilterVerifier.addOneIntentFilterVerification( 14955 verifierUid, userId, verificationId, filter, packageName); 14956 count++; 14957 } 14958 } 14959 } 14960 } 14961 } 14962 14963 if (count > 0) { 14964 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14965 + " IntentFilter verification" + (count > 1 ? "s" : "") 14966 + " for userId:" + userId); 14967 mIntentFilterVerifier.startVerifications(userId); 14968 } else { 14969 if (DEBUG_DOMAIN_VERIFICATION) { 14970 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14971 } 14972 } 14973 } 14974 14975 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14976 final ComponentName cn = filter.activity.getComponentName(); 14977 final String packageName = cn.getPackageName(); 14978 14979 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14980 packageName); 14981 if (ivi == null) { 14982 return true; 14983 } 14984 int status = ivi.getStatus(); 14985 switch (status) { 14986 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14987 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14988 return true; 14989 14990 default: 14991 // Nothing to do 14992 return false; 14993 } 14994 } 14995 14996 private static boolean isMultiArch(ApplicationInfo info) { 14997 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14998 } 14999 15000 private static boolean isExternal(PackageParser.Package pkg) { 15001 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15002 } 15003 15004 private static boolean isExternal(PackageSetting ps) { 15005 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15006 } 15007 15008 private static boolean isEphemeral(PackageParser.Package pkg) { 15009 return pkg.applicationInfo.isEphemeralApp(); 15010 } 15011 15012 private static boolean isEphemeral(PackageSetting ps) { 15013 return ps.pkg != null && isEphemeral(ps.pkg); 15014 } 15015 15016 private static boolean isSystemApp(PackageParser.Package pkg) { 15017 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15018 } 15019 15020 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15021 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15022 } 15023 15024 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15025 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15026 } 15027 15028 private static boolean isSystemApp(PackageSetting ps) { 15029 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15030 } 15031 15032 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15033 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15034 } 15035 15036 private int packageFlagsToInstallFlags(PackageSetting ps) { 15037 int installFlags = 0; 15038 if (isEphemeral(ps)) { 15039 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15040 } 15041 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15042 // This existing package was an external ASEC install when we have 15043 // the external flag without a UUID 15044 installFlags |= PackageManager.INSTALL_EXTERNAL; 15045 } 15046 if (ps.isForwardLocked()) { 15047 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15048 } 15049 return installFlags; 15050 } 15051 15052 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15053 if (isExternal(pkg)) { 15054 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15055 return StorageManager.UUID_PRIMARY_PHYSICAL; 15056 } else { 15057 return pkg.volumeUuid; 15058 } 15059 } else { 15060 return StorageManager.UUID_PRIVATE_INTERNAL; 15061 } 15062 } 15063 15064 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15065 if (isExternal(pkg)) { 15066 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15067 return mSettings.getExternalVersion(); 15068 } else { 15069 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15070 } 15071 } else { 15072 return mSettings.getInternalVersion(); 15073 } 15074 } 15075 15076 private void deleteTempPackageFiles() { 15077 final FilenameFilter filter = new FilenameFilter() { 15078 public boolean accept(File dir, String name) { 15079 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15080 } 15081 }; 15082 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15083 file.delete(); 15084 } 15085 } 15086 15087 @Override 15088 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15089 int flags) { 15090 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15091 flags); 15092 } 15093 15094 @Override 15095 public void deletePackage(final String packageName, 15096 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15097 mContext.enforceCallingOrSelfPermission( 15098 android.Manifest.permission.DELETE_PACKAGES, null); 15099 Preconditions.checkNotNull(packageName); 15100 Preconditions.checkNotNull(observer); 15101 final int uid = Binder.getCallingUid(); 15102 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15103 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15104 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15105 mContext.enforceCallingOrSelfPermission( 15106 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15107 "deletePackage for user " + userId); 15108 } 15109 15110 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15111 try { 15112 observer.onPackageDeleted(packageName, 15113 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15114 } catch (RemoteException re) { 15115 } 15116 return; 15117 } 15118 15119 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15120 try { 15121 observer.onPackageDeleted(packageName, 15122 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15123 } catch (RemoteException re) { 15124 } 15125 return; 15126 } 15127 15128 if (DEBUG_REMOVE) { 15129 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15130 + " deleteAllUsers: " + deleteAllUsers ); 15131 } 15132 // Queue up an async operation since the package deletion may take a little while. 15133 mHandler.post(new Runnable() { 15134 public void run() { 15135 mHandler.removeCallbacks(this); 15136 int returnCode; 15137 if (!deleteAllUsers) { 15138 returnCode = deletePackageX(packageName, userId, deleteFlags); 15139 } else { 15140 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15141 // If nobody is blocking uninstall, proceed with delete for all users 15142 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15143 returnCode = deletePackageX(packageName, userId, deleteFlags); 15144 } else { 15145 // Otherwise uninstall individually for users with blockUninstalls=false 15146 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15147 for (int userId : users) { 15148 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15149 returnCode = deletePackageX(packageName, userId, userFlags); 15150 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15151 Slog.w(TAG, "Package delete failed for user " + userId 15152 + ", returnCode " + returnCode); 15153 } 15154 } 15155 } 15156 // The app has only been marked uninstalled for certain users. 15157 // We still need to report that delete was blocked 15158 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15159 } 15160 } 15161 try { 15162 observer.onPackageDeleted(packageName, returnCode, null); 15163 } catch (RemoteException e) { 15164 Log.i(TAG, "Observer no longer exists."); 15165 } //end catch 15166 } //end run 15167 }); 15168 } 15169 15170 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15171 int[] result = EMPTY_INT_ARRAY; 15172 for (int userId : userIds) { 15173 if (getBlockUninstallForUser(packageName, userId)) { 15174 result = ArrayUtils.appendInt(result, userId); 15175 } 15176 } 15177 return result; 15178 } 15179 15180 @Override 15181 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15182 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15183 } 15184 15185 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15186 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15187 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15188 try { 15189 if (dpm != null) { 15190 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15191 /* callingUserOnly =*/ false); 15192 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15193 : deviceOwnerComponentName.getPackageName(); 15194 // Does the package contains the device owner? 15195 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15196 // this check is probably not needed, since DO should be registered as a device 15197 // admin on some user too. (Original bug for this: b/17657954) 15198 if (packageName.equals(deviceOwnerPackageName)) { 15199 return true; 15200 } 15201 // Does it contain a device admin for any user? 15202 int[] users; 15203 if (userId == UserHandle.USER_ALL) { 15204 users = sUserManager.getUserIds(); 15205 } else { 15206 users = new int[]{userId}; 15207 } 15208 for (int i = 0; i < users.length; ++i) { 15209 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15210 return true; 15211 } 15212 } 15213 } 15214 } catch (RemoteException e) { 15215 } 15216 return false; 15217 } 15218 15219 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15220 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15221 } 15222 15223 /** 15224 * This method is an internal method that could be get invoked either 15225 * to delete an installed package or to clean up a failed installation. 15226 * After deleting an installed package, a broadcast is sent to notify any 15227 * listeners that the package has been removed. For cleaning up a failed 15228 * installation, the broadcast is not necessary since the package's 15229 * installation wouldn't have sent the initial broadcast either 15230 * The key steps in deleting a package are 15231 * deleting the package information in internal structures like mPackages, 15232 * deleting the packages base directories through installd 15233 * updating mSettings to reflect current status 15234 * persisting settings for later use 15235 * sending a broadcast if necessary 15236 */ 15237 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15238 final PackageRemovedInfo info = new PackageRemovedInfo(); 15239 final boolean res; 15240 15241 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15242 ? UserHandle.ALL : new UserHandle(userId); 15243 15244 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15245 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15246 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15247 } 15248 15249 PackageSetting uninstalledPs = null; 15250 15251 // for the uninstall-updates case and restricted profiles, remember the per- 15252 // user handle installed state 15253 int[] allUsers; 15254 synchronized (mPackages) { 15255 uninstalledPs = mSettings.mPackages.get(packageName); 15256 if (uninstalledPs == null) { 15257 Slog.w(TAG, "Not removing non-existent package " + packageName); 15258 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15259 } 15260 allUsers = sUserManager.getUserIds(); 15261 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15262 } 15263 15264 synchronized (mInstallLock) { 15265 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15266 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15267 "deletePackageX")) { 15268 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15269 deleteFlags | REMOVE_CHATTY, info, true, null); 15270 } 15271 synchronized (mPackages) { 15272 if (res) { 15273 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15274 } 15275 } 15276 } 15277 15278 if (res) { 15279 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15280 info.sendPackageRemovedBroadcasts(killApp); 15281 info.sendSystemPackageUpdatedBroadcasts(); 15282 info.sendSystemPackageAppearedBroadcasts(); 15283 } 15284 // Force a gc here. 15285 Runtime.getRuntime().gc(); 15286 // Delete the resources here after sending the broadcast to let 15287 // other processes clean up before deleting resources. 15288 if (info.args != null) { 15289 synchronized (mInstallLock) { 15290 info.args.doPostDeleteLI(true); 15291 } 15292 } 15293 15294 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15295 } 15296 15297 class PackageRemovedInfo { 15298 String removedPackage; 15299 int uid = -1; 15300 int removedAppId = -1; 15301 int[] origUsers; 15302 int[] removedUsers = null; 15303 boolean isRemovedPackageSystemUpdate = false; 15304 boolean isUpdate; 15305 boolean dataRemoved; 15306 boolean removedForAllUsers; 15307 // Clean up resources deleted packages. 15308 InstallArgs args = null; 15309 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15310 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15311 15312 void sendPackageRemovedBroadcasts(boolean killApp) { 15313 sendPackageRemovedBroadcastInternal(killApp); 15314 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15315 for (int i = 0; i < childCount; i++) { 15316 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15317 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15318 } 15319 } 15320 15321 void sendSystemPackageUpdatedBroadcasts() { 15322 if (isRemovedPackageSystemUpdate) { 15323 sendSystemPackageUpdatedBroadcastsInternal(); 15324 final int childCount = (removedChildPackages != null) 15325 ? removedChildPackages.size() : 0; 15326 for (int i = 0; i < childCount; i++) { 15327 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15328 if (childInfo.isRemovedPackageSystemUpdate) { 15329 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15330 } 15331 } 15332 } 15333 } 15334 15335 void sendSystemPackageAppearedBroadcasts() { 15336 final int packageCount = (appearedChildPackages != null) 15337 ? appearedChildPackages.size() : 0; 15338 for (int i = 0; i < packageCount; i++) { 15339 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15340 for (int userId : installedInfo.newUsers) { 15341 sendPackageAddedForUser(installedInfo.name, true, 15342 UserHandle.getAppId(installedInfo.uid), userId); 15343 } 15344 } 15345 } 15346 15347 private void sendSystemPackageUpdatedBroadcastsInternal() { 15348 Bundle extras = new Bundle(2); 15349 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15350 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15351 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15352 extras, 0, null, null, null); 15353 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15354 extras, 0, null, null, null); 15355 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15356 null, 0, removedPackage, null, null); 15357 } 15358 15359 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15360 Bundle extras = new Bundle(2); 15361 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15362 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15363 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15364 if (isUpdate || isRemovedPackageSystemUpdate) { 15365 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15366 } 15367 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15368 if (removedPackage != null) { 15369 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15370 extras, 0, null, null, removedUsers); 15371 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15372 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15373 removedPackage, extras, 0, null, null, removedUsers); 15374 } 15375 } 15376 if (removedAppId >= 0) { 15377 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15378 removedUsers); 15379 } 15380 } 15381 } 15382 15383 /* 15384 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15385 * flag is not set, the data directory is removed as well. 15386 * make sure this flag is set for partially installed apps. If not its meaningless to 15387 * delete a partially installed application. 15388 */ 15389 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15390 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15391 String packageName = ps.name; 15392 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15393 // Retrieve object to delete permissions for shared user later on 15394 final PackageParser.Package deletedPkg; 15395 final PackageSetting deletedPs; 15396 // reader 15397 synchronized (mPackages) { 15398 deletedPkg = mPackages.get(packageName); 15399 deletedPs = mSettings.mPackages.get(packageName); 15400 if (outInfo != null) { 15401 outInfo.removedPackage = packageName; 15402 outInfo.removedUsers = deletedPs != null 15403 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15404 : null; 15405 } 15406 } 15407 15408 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15409 15410 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15411 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15412 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15413 destroyAppProfilesLIF(deletedPkg); 15414 if (outInfo != null) { 15415 outInfo.dataRemoved = true; 15416 } 15417 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15418 } 15419 15420 // writer 15421 synchronized (mPackages) { 15422 if (deletedPs != null) { 15423 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15424 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15425 clearDefaultBrowserIfNeeded(packageName); 15426 if (outInfo != null) { 15427 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15428 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15429 } 15430 updatePermissionsLPw(deletedPs.name, null, 0); 15431 if (deletedPs.sharedUser != null) { 15432 // Remove permissions associated with package. Since runtime 15433 // permissions are per user we have to kill the removed package 15434 // or packages running under the shared user of the removed 15435 // package if revoking the permissions requested only by the removed 15436 // package is successful and this causes a change in gids. 15437 for (int userId : UserManagerService.getInstance().getUserIds()) { 15438 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15439 userId); 15440 if (userIdToKill == UserHandle.USER_ALL 15441 || userIdToKill >= UserHandle.USER_SYSTEM) { 15442 // If gids changed for this user, kill all affected packages. 15443 mHandler.post(new Runnable() { 15444 @Override 15445 public void run() { 15446 // This has to happen with no lock held. 15447 killApplication(deletedPs.name, deletedPs.appId, 15448 KILL_APP_REASON_GIDS_CHANGED); 15449 } 15450 }); 15451 break; 15452 } 15453 } 15454 } 15455 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15456 } 15457 // make sure to preserve per-user disabled state if this removal was just 15458 // a downgrade of a system app to the factory package 15459 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15460 if (DEBUG_REMOVE) { 15461 Slog.d(TAG, "Propagating install state across downgrade"); 15462 } 15463 for (int userId : allUserHandles) { 15464 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15465 if (DEBUG_REMOVE) { 15466 Slog.d(TAG, " user " + userId + " => " + installed); 15467 } 15468 ps.setInstalled(installed, userId); 15469 } 15470 } 15471 } 15472 // can downgrade to reader 15473 if (writeSettings) { 15474 // Save settings now 15475 mSettings.writeLPr(); 15476 } 15477 } 15478 if (outInfo != null) { 15479 // A user ID was deleted here. Go through all users and remove it 15480 // from KeyStore. 15481 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15482 } 15483 } 15484 15485 static boolean locationIsPrivileged(File path) { 15486 try { 15487 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15488 .getCanonicalPath(); 15489 return path.getCanonicalPath().startsWith(privilegedAppDir); 15490 } catch (IOException e) { 15491 Slog.e(TAG, "Unable to access code path " + path); 15492 } 15493 return false; 15494 } 15495 15496 /* 15497 * Tries to delete system package. 15498 */ 15499 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15500 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15501 boolean writeSettings) { 15502 if (deletedPs.parentPackageName != null) { 15503 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15504 return false; 15505 } 15506 15507 final boolean applyUserRestrictions 15508 = (allUserHandles != null) && (outInfo.origUsers != null); 15509 final PackageSetting disabledPs; 15510 // Confirm if the system package has been updated 15511 // An updated system app can be deleted. This will also have to restore 15512 // the system pkg from system partition 15513 // reader 15514 synchronized (mPackages) { 15515 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15516 } 15517 15518 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15519 + " disabledPs=" + disabledPs); 15520 15521 if (disabledPs == null) { 15522 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15523 return false; 15524 } else if (DEBUG_REMOVE) { 15525 Slog.d(TAG, "Deleting system pkg from data partition"); 15526 } 15527 15528 if (DEBUG_REMOVE) { 15529 if (applyUserRestrictions) { 15530 Slog.d(TAG, "Remembering install states:"); 15531 for (int userId : allUserHandles) { 15532 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15533 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15534 } 15535 } 15536 } 15537 15538 // Delete the updated package 15539 outInfo.isRemovedPackageSystemUpdate = true; 15540 if (outInfo.removedChildPackages != null) { 15541 final int childCount = (deletedPs.childPackageNames != null) 15542 ? deletedPs.childPackageNames.size() : 0; 15543 for (int i = 0; i < childCount; i++) { 15544 String childPackageName = deletedPs.childPackageNames.get(i); 15545 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15546 .contains(childPackageName)) { 15547 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15548 childPackageName); 15549 if (childInfo != null) { 15550 childInfo.isRemovedPackageSystemUpdate = true; 15551 } 15552 } 15553 } 15554 } 15555 15556 if (disabledPs.versionCode < deletedPs.versionCode) { 15557 // Delete data for downgrades 15558 flags &= ~PackageManager.DELETE_KEEP_DATA; 15559 } else { 15560 // Preserve data by setting flag 15561 flags |= PackageManager.DELETE_KEEP_DATA; 15562 } 15563 15564 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15565 outInfo, writeSettings, disabledPs.pkg); 15566 if (!ret) { 15567 return false; 15568 } 15569 15570 // writer 15571 synchronized (mPackages) { 15572 // Reinstate the old system package 15573 enableSystemPackageLPw(disabledPs.pkg); 15574 // Remove any native libraries from the upgraded package. 15575 removeNativeBinariesLI(deletedPs); 15576 } 15577 15578 // Install the system package 15579 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15580 int parseFlags = mDefParseFlags 15581 | PackageParser.PARSE_MUST_BE_APK 15582 | PackageParser.PARSE_IS_SYSTEM 15583 | PackageParser.PARSE_IS_SYSTEM_DIR; 15584 if (locationIsPrivileged(disabledPs.codePath)) { 15585 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15586 } 15587 15588 final PackageParser.Package newPkg; 15589 try { 15590 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15591 } catch (PackageManagerException e) { 15592 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15593 + e.getMessage()); 15594 return false; 15595 } 15596 15597 prepareAppDataAfterInstallLIF(newPkg); 15598 15599 // writer 15600 synchronized (mPackages) { 15601 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15602 15603 // Propagate the permissions state as we do not want to drop on the floor 15604 // runtime permissions. The update permissions method below will take 15605 // care of removing obsolete permissions and grant install permissions. 15606 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15607 updatePermissionsLPw(newPkg.packageName, newPkg, 15608 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15609 15610 if (applyUserRestrictions) { 15611 if (DEBUG_REMOVE) { 15612 Slog.d(TAG, "Propagating install state across reinstall"); 15613 } 15614 for (int userId : allUserHandles) { 15615 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15616 if (DEBUG_REMOVE) { 15617 Slog.d(TAG, " user " + userId + " => " + installed); 15618 } 15619 ps.setInstalled(installed, userId); 15620 15621 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15622 } 15623 // Regardless of writeSettings we need to ensure that this restriction 15624 // state propagation is persisted 15625 mSettings.writeAllUsersPackageRestrictionsLPr(); 15626 } 15627 // can downgrade to reader here 15628 if (writeSettings) { 15629 mSettings.writeLPr(); 15630 } 15631 } 15632 return true; 15633 } 15634 15635 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15636 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15637 PackageRemovedInfo outInfo, boolean writeSettings, 15638 PackageParser.Package replacingPackage) { 15639 synchronized (mPackages) { 15640 if (outInfo != null) { 15641 outInfo.uid = ps.appId; 15642 } 15643 15644 if (outInfo != null && outInfo.removedChildPackages != null) { 15645 final int childCount = (ps.childPackageNames != null) 15646 ? ps.childPackageNames.size() : 0; 15647 for (int i = 0; i < childCount; i++) { 15648 String childPackageName = ps.childPackageNames.get(i); 15649 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15650 if (childPs == null) { 15651 return false; 15652 } 15653 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15654 childPackageName); 15655 if (childInfo != null) { 15656 childInfo.uid = childPs.appId; 15657 } 15658 } 15659 } 15660 } 15661 15662 // Delete package data from internal structures and also remove data if flag is set 15663 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15664 15665 // Delete the child packages data 15666 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15667 for (int i = 0; i < childCount; i++) { 15668 PackageSetting childPs; 15669 synchronized (mPackages) { 15670 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15671 } 15672 if (childPs != null) { 15673 PackageRemovedInfo childOutInfo = (outInfo != null 15674 && outInfo.removedChildPackages != null) 15675 ? outInfo.removedChildPackages.get(childPs.name) : null; 15676 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15677 && (replacingPackage != null 15678 && !replacingPackage.hasChildPackage(childPs.name)) 15679 ? flags & ~DELETE_KEEP_DATA : flags; 15680 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15681 deleteFlags, writeSettings); 15682 } 15683 } 15684 15685 // Delete application code and resources only for parent packages 15686 if (ps.parentPackageName == null) { 15687 if (deleteCodeAndResources && (outInfo != null)) { 15688 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15689 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15690 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15691 } 15692 } 15693 15694 return true; 15695 } 15696 15697 @Override 15698 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15699 int userId) { 15700 mContext.enforceCallingOrSelfPermission( 15701 android.Manifest.permission.DELETE_PACKAGES, null); 15702 synchronized (mPackages) { 15703 PackageSetting ps = mSettings.mPackages.get(packageName); 15704 if (ps == null) { 15705 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15706 return false; 15707 } 15708 if (!ps.getInstalled(userId)) { 15709 // Can't block uninstall for an app that is not installed or enabled. 15710 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15711 return false; 15712 } 15713 ps.setBlockUninstall(blockUninstall, userId); 15714 mSettings.writePackageRestrictionsLPr(userId); 15715 } 15716 return true; 15717 } 15718 15719 @Override 15720 public boolean getBlockUninstallForUser(String packageName, int userId) { 15721 synchronized (mPackages) { 15722 PackageSetting ps = mSettings.mPackages.get(packageName); 15723 if (ps == null) { 15724 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15725 return false; 15726 } 15727 return ps.getBlockUninstall(userId); 15728 } 15729 } 15730 15731 @Override 15732 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15733 int callingUid = Binder.getCallingUid(); 15734 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15735 throw new SecurityException( 15736 "setRequiredForSystemUser can only be run by the system or root"); 15737 } 15738 synchronized (mPackages) { 15739 PackageSetting ps = mSettings.mPackages.get(packageName); 15740 if (ps == null) { 15741 Log.w(TAG, "Package doesn't exist: " + packageName); 15742 return false; 15743 } 15744 if (systemUserApp) { 15745 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15746 } else { 15747 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15748 } 15749 mSettings.writeLPr(); 15750 } 15751 return true; 15752 } 15753 15754 /* 15755 * This method handles package deletion in general 15756 */ 15757 private boolean deletePackageLIF(String packageName, UserHandle user, 15758 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15759 PackageRemovedInfo outInfo, boolean writeSettings, 15760 PackageParser.Package replacingPackage) { 15761 if (packageName == null) { 15762 Slog.w(TAG, "Attempt to delete null packageName."); 15763 return false; 15764 } 15765 15766 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15767 15768 PackageSetting ps; 15769 15770 synchronized (mPackages) { 15771 ps = mSettings.mPackages.get(packageName); 15772 if (ps == null) { 15773 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15774 return false; 15775 } 15776 15777 if (ps.parentPackageName != null && (!isSystemApp(ps) 15778 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15779 if (DEBUG_REMOVE) { 15780 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15781 + ((user == null) ? UserHandle.USER_ALL : user)); 15782 } 15783 final int removedUserId = (user != null) ? user.getIdentifier() 15784 : UserHandle.USER_ALL; 15785 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15786 return false; 15787 } 15788 markPackageUninstalledForUserLPw(ps, user); 15789 scheduleWritePackageRestrictionsLocked(user); 15790 return true; 15791 } 15792 } 15793 15794 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15795 && user.getIdentifier() != UserHandle.USER_ALL)) { 15796 // The caller is asking that the package only be deleted for a single 15797 // user. To do this, we just mark its uninstalled state and delete 15798 // its data. If this is a system app, we only allow this to happen if 15799 // they have set the special DELETE_SYSTEM_APP which requests different 15800 // semantics than normal for uninstalling system apps. 15801 markPackageUninstalledForUserLPw(ps, user); 15802 15803 if (!isSystemApp(ps)) { 15804 // Do not uninstall the APK if an app should be cached 15805 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15806 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15807 // Other user still have this package installed, so all 15808 // we need to do is clear this user's data and save that 15809 // it is uninstalled. 15810 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15811 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15812 return false; 15813 } 15814 scheduleWritePackageRestrictionsLocked(user); 15815 return true; 15816 } else { 15817 // We need to set it back to 'installed' so the uninstall 15818 // broadcasts will be sent correctly. 15819 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15820 ps.setInstalled(true, user.getIdentifier()); 15821 } 15822 } else { 15823 // This is a system app, so we assume that the 15824 // other users still have this package installed, so all 15825 // we need to do is clear this user's data and save that 15826 // it is uninstalled. 15827 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15828 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15829 return false; 15830 } 15831 scheduleWritePackageRestrictionsLocked(user); 15832 return true; 15833 } 15834 } 15835 15836 // If we are deleting a composite package for all users, keep track 15837 // of result for each child. 15838 if (ps.childPackageNames != null && outInfo != null) { 15839 synchronized (mPackages) { 15840 final int childCount = ps.childPackageNames.size(); 15841 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15842 for (int i = 0; i < childCount; i++) { 15843 String childPackageName = ps.childPackageNames.get(i); 15844 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15845 childInfo.removedPackage = childPackageName; 15846 outInfo.removedChildPackages.put(childPackageName, childInfo); 15847 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15848 if (childPs != null) { 15849 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15850 } 15851 } 15852 } 15853 } 15854 15855 boolean ret = false; 15856 if (isSystemApp(ps)) { 15857 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15858 // When an updated system application is deleted we delete the existing resources 15859 // as well and fall back to existing code in system partition 15860 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15861 } else { 15862 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15863 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15864 outInfo, writeSettings, replacingPackage); 15865 } 15866 15867 // Take a note whether we deleted the package for all users 15868 if (outInfo != null) { 15869 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15870 if (outInfo.removedChildPackages != null) { 15871 synchronized (mPackages) { 15872 final int childCount = outInfo.removedChildPackages.size(); 15873 for (int i = 0; i < childCount; i++) { 15874 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15875 if (childInfo != null) { 15876 childInfo.removedForAllUsers = mPackages.get( 15877 childInfo.removedPackage) == null; 15878 } 15879 } 15880 } 15881 } 15882 // If we uninstalled an update to a system app there may be some 15883 // child packages that appeared as they are declared in the system 15884 // app but were not declared in the update. 15885 if (isSystemApp(ps)) { 15886 synchronized (mPackages) { 15887 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15888 final int childCount = (updatedPs.childPackageNames != null) 15889 ? updatedPs.childPackageNames.size() : 0; 15890 for (int i = 0; i < childCount; i++) { 15891 String childPackageName = updatedPs.childPackageNames.get(i); 15892 if (outInfo.removedChildPackages == null 15893 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15894 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15895 if (childPs == null) { 15896 continue; 15897 } 15898 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15899 installRes.name = childPackageName; 15900 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15901 installRes.pkg = mPackages.get(childPackageName); 15902 installRes.uid = childPs.pkg.applicationInfo.uid; 15903 if (outInfo.appearedChildPackages == null) { 15904 outInfo.appearedChildPackages = new ArrayMap<>(); 15905 } 15906 outInfo.appearedChildPackages.put(childPackageName, installRes); 15907 } 15908 } 15909 } 15910 } 15911 } 15912 15913 return ret; 15914 } 15915 15916 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15917 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15918 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15919 for (int nextUserId : userIds) { 15920 if (DEBUG_REMOVE) { 15921 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15922 } 15923 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15924 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15925 false /*hidden*/, false /*suspended*/, null, null, null, 15926 false /*blockUninstall*/, 15927 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15928 } 15929 } 15930 15931 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15932 PackageRemovedInfo outInfo) { 15933 final PackageParser.Package pkg; 15934 synchronized (mPackages) { 15935 pkg = mPackages.get(ps.name); 15936 } 15937 15938 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15939 : new int[] {userId}; 15940 for (int nextUserId : userIds) { 15941 if (DEBUG_REMOVE) { 15942 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15943 + nextUserId); 15944 } 15945 15946 destroyAppDataLIF(pkg, userId, 15947 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15948 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15949 schedulePackageCleaning(ps.name, nextUserId, false); 15950 synchronized (mPackages) { 15951 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15952 scheduleWritePackageRestrictionsLocked(nextUserId); 15953 } 15954 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15955 } 15956 } 15957 15958 if (outInfo != null) { 15959 outInfo.removedPackage = ps.name; 15960 outInfo.removedAppId = ps.appId; 15961 outInfo.removedUsers = userIds; 15962 } 15963 15964 return true; 15965 } 15966 15967 private final class ClearStorageConnection implements ServiceConnection { 15968 IMediaContainerService mContainerService; 15969 15970 @Override 15971 public void onServiceConnected(ComponentName name, IBinder service) { 15972 synchronized (this) { 15973 mContainerService = IMediaContainerService.Stub.asInterface(service); 15974 notifyAll(); 15975 } 15976 } 15977 15978 @Override 15979 public void onServiceDisconnected(ComponentName name) { 15980 } 15981 } 15982 15983 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15984 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15985 15986 final boolean mounted; 15987 if (Environment.isExternalStorageEmulated()) { 15988 mounted = true; 15989 } else { 15990 final String status = Environment.getExternalStorageState(); 15991 15992 mounted = status.equals(Environment.MEDIA_MOUNTED) 15993 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15994 } 15995 15996 if (!mounted) { 15997 return; 15998 } 15999 16000 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16001 int[] users; 16002 if (userId == UserHandle.USER_ALL) { 16003 users = sUserManager.getUserIds(); 16004 } else { 16005 users = new int[] { userId }; 16006 } 16007 final ClearStorageConnection conn = new ClearStorageConnection(); 16008 if (mContext.bindServiceAsUser( 16009 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16010 try { 16011 for (int curUser : users) { 16012 long timeout = SystemClock.uptimeMillis() + 5000; 16013 synchronized (conn) { 16014 long now = SystemClock.uptimeMillis(); 16015 while (conn.mContainerService == null && now < timeout) { 16016 try { 16017 conn.wait(timeout - now); 16018 } catch (InterruptedException e) { 16019 } 16020 } 16021 } 16022 if (conn.mContainerService == null) { 16023 return; 16024 } 16025 16026 final UserEnvironment userEnv = new UserEnvironment(curUser); 16027 clearDirectory(conn.mContainerService, 16028 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16029 if (allData) { 16030 clearDirectory(conn.mContainerService, 16031 userEnv.buildExternalStorageAppDataDirs(packageName)); 16032 clearDirectory(conn.mContainerService, 16033 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16034 } 16035 } 16036 } finally { 16037 mContext.unbindService(conn); 16038 } 16039 } 16040 } 16041 16042 @Override 16043 public void clearApplicationProfileData(String packageName) { 16044 enforceSystemOrRoot("Only the system can clear all profile data"); 16045 16046 final PackageParser.Package pkg; 16047 synchronized (mPackages) { 16048 pkg = mPackages.get(packageName); 16049 } 16050 16051 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16052 synchronized (mInstallLock) { 16053 clearAppProfilesLIF(pkg); 16054 } 16055 } 16056 } 16057 16058 @Override 16059 public void clearApplicationUserData(final String packageName, 16060 final IPackageDataObserver observer, final int userId) { 16061 mContext.enforceCallingOrSelfPermission( 16062 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16063 16064 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16065 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16066 16067 final DevicePolicyManagerInternal dpmi = LocalServices 16068 .getService(DevicePolicyManagerInternal.class); 16069 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16070 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16071 } 16072 // Queue up an async operation since the package deletion may take a little while. 16073 mHandler.post(new Runnable() { 16074 public void run() { 16075 mHandler.removeCallbacks(this); 16076 final boolean succeeded; 16077 try (PackageFreezer freezer = freezePackage(packageName, 16078 "clearApplicationUserData")) { 16079 synchronized (mInstallLock) { 16080 succeeded = clearApplicationUserDataLIF(packageName, userId); 16081 } 16082 clearExternalStorageDataSync(packageName, userId, true); 16083 } 16084 if (succeeded) { 16085 // invoke DeviceStorageMonitor's update method to clear any notifications 16086 DeviceStorageMonitorInternal dsm = LocalServices 16087 .getService(DeviceStorageMonitorInternal.class); 16088 if (dsm != null) { 16089 dsm.checkMemory(); 16090 } 16091 } 16092 if(observer != null) { 16093 try { 16094 observer.onRemoveCompleted(packageName, succeeded); 16095 } catch (RemoteException e) { 16096 Log.i(TAG, "Observer no longer exists."); 16097 } 16098 } //end if observer 16099 } //end run 16100 }); 16101 } 16102 16103 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16104 if (packageName == null) { 16105 Slog.w(TAG, "Attempt to delete null packageName."); 16106 return false; 16107 } 16108 16109 // Try finding details about the requested package 16110 PackageParser.Package pkg; 16111 synchronized (mPackages) { 16112 pkg = mPackages.get(packageName); 16113 if (pkg == null) { 16114 final PackageSetting ps = mSettings.mPackages.get(packageName); 16115 if (ps != null) { 16116 pkg = ps.pkg; 16117 } 16118 } 16119 16120 if (pkg == null) { 16121 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16122 return false; 16123 } 16124 16125 PackageSetting ps = (PackageSetting) pkg.mExtras; 16126 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16127 } 16128 16129 clearAppDataLIF(pkg, userId, 16130 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16131 16132 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16133 removeKeystoreDataIfNeeded(userId, appId); 16134 16135 final UserManager um = mContext.getSystemService(UserManager.class); 16136 final int flags; 16137 if (um.isUserUnlockingOrUnlocked(userId)) { 16138 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16139 } else if (um.isUserRunning(userId)) { 16140 flags = StorageManager.FLAG_STORAGE_DE; 16141 } else { 16142 flags = 0; 16143 } 16144 prepareAppDataContentsLIF(pkg, userId, flags); 16145 16146 return true; 16147 } 16148 16149 /** 16150 * Reverts user permission state changes (permissions and flags) in 16151 * all packages for a given user. 16152 * 16153 * @param userId The device user for which to do a reset. 16154 */ 16155 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16156 final int packageCount = mPackages.size(); 16157 for (int i = 0; i < packageCount; i++) { 16158 PackageParser.Package pkg = mPackages.valueAt(i); 16159 PackageSetting ps = (PackageSetting) pkg.mExtras; 16160 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16161 } 16162 } 16163 16164 private void resetNetworkPolicies(int userId) { 16165 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16166 } 16167 16168 /** 16169 * Reverts user permission state changes (permissions and flags). 16170 * 16171 * @param ps The package for which to reset. 16172 * @param userId The device user for which to do a reset. 16173 */ 16174 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16175 final PackageSetting ps, final int userId) { 16176 if (ps.pkg == null) { 16177 return; 16178 } 16179 16180 // These are flags that can change base on user actions. 16181 final int userSettableMask = FLAG_PERMISSION_USER_SET 16182 | FLAG_PERMISSION_USER_FIXED 16183 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16184 | FLAG_PERMISSION_REVIEW_REQUIRED; 16185 16186 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16187 | FLAG_PERMISSION_POLICY_FIXED; 16188 16189 boolean writeInstallPermissions = false; 16190 boolean writeRuntimePermissions = false; 16191 16192 final int permissionCount = ps.pkg.requestedPermissions.size(); 16193 for (int i = 0; i < permissionCount; i++) { 16194 String permission = ps.pkg.requestedPermissions.get(i); 16195 16196 BasePermission bp = mSettings.mPermissions.get(permission); 16197 if (bp == null) { 16198 continue; 16199 } 16200 16201 // If shared user we just reset the state to which only this app contributed. 16202 if (ps.sharedUser != null) { 16203 boolean used = false; 16204 final int packageCount = ps.sharedUser.packages.size(); 16205 for (int j = 0; j < packageCount; j++) { 16206 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16207 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16208 && pkg.pkg.requestedPermissions.contains(permission)) { 16209 used = true; 16210 break; 16211 } 16212 } 16213 if (used) { 16214 continue; 16215 } 16216 } 16217 16218 PermissionsState permissionsState = ps.getPermissionsState(); 16219 16220 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16221 16222 // Always clear the user settable flags. 16223 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16224 bp.name) != null; 16225 // If permission review is enabled and this is a legacy app, mark the 16226 // permission as requiring a review as this is the initial state. 16227 int flags = 0; 16228 if (Build.PERMISSIONS_REVIEW_REQUIRED 16229 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16230 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16231 } 16232 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16233 if (hasInstallState) { 16234 writeInstallPermissions = true; 16235 } else { 16236 writeRuntimePermissions = true; 16237 } 16238 } 16239 16240 // Below is only runtime permission handling. 16241 if (!bp.isRuntime()) { 16242 continue; 16243 } 16244 16245 // Never clobber system or policy. 16246 if ((oldFlags & policyOrSystemFlags) != 0) { 16247 continue; 16248 } 16249 16250 // If this permission was granted by default, make sure it is. 16251 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16252 if (permissionsState.grantRuntimePermission(bp, userId) 16253 != PERMISSION_OPERATION_FAILURE) { 16254 writeRuntimePermissions = true; 16255 } 16256 // If permission review is enabled the permissions for a legacy apps 16257 // are represented as constantly granted runtime ones, so don't revoke. 16258 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16259 // Otherwise, reset the permission. 16260 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16261 switch (revokeResult) { 16262 case PERMISSION_OPERATION_SUCCESS: 16263 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16264 writeRuntimePermissions = true; 16265 final int appId = ps.appId; 16266 mHandler.post(new Runnable() { 16267 @Override 16268 public void run() { 16269 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16270 } 16271 }); 16272 } break; 16273 } 16274 } 16275 } 16276 16277 // Synchronously write as we are taking permissions away. 16278 if (writeRuntimePermissions) { 16279 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16280 } 16281 16282 // Synchronously write as we are taking permissions away. 16283 if (writeInstallPermissions) { 16284 mSettings.writeLPr(); 16285 } 16286 } 16287 16288 /** 16289 * Remove entries from the keystore daemon. Will only remove it if the 16290 * {@code appId} is valid. 16291 */ 16292 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16293 if (appId < 0) { 16294 return; 16295 } 16296 16297 final KeyStore keyStore = KeyStore.getInstance(); 16298 if (keyStore != null) { 16299 if (userId == UserHandle.USER_ALL) { 16300 for (final int individual : sUserManager.getUserIds()) { 16301 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16302 } 16303 } else { 16304 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16305 } 16306 } else { 16307 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16308 } 16309 } 16310 16311 @Override 16312 public void deleteApplicationCacheFiles(final String packageName, 16313 final IPackageDataObserver observer) { 16314 final int userId = UserHandle.getCallingUserId(); 16315 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16316 } 16317 16318 @Override 16319 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16320 final IPackageDataObserver observer) { 16321 mContext.enforceCallingOrSelfPermission( 16322 android.Manifest.permission.DELETE_CACHE_FILES, null); 16323 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16324 /* requireFullPermission= */ true, /* checkShell= */ false, 16325 "delete application cache files"); 16326 16327 final PackageParser.Package pkg; 16328 synchronized (mPackages) { 16329 pkg = mPackages.get(packageName); 16330 } 16331 16332 // Queue up an async operation since the package deletion may take a little while. 16333 mHandler.post(new Runnable() { 16334 public void run() { 16335 synchronized (mInstallLock) { 16336 final int flags = StorageManager.FLAG_STORAGE_DE 16337 | StorageManager.FLAG_STORAGE_CE; 16338 // We're only clearing cache files, so we don't care if the 16339 // app is unfrozen and still able to run 16340 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16341 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16342 } 16343 clearExternalStorageDataSync(packageName, userId, false); 16344 if (observer != null) { 16345 try { 16346 observer.onRemoveCompleted(packageName, true); 16347 } catch (RemoteException e) { 16348 Log.i(TAG, "Observer no longer exists."); 16349 } 16350 } 16351 } 16352 }); 16353 } 16354 16355 @Override 16356 public void getPackageSizeInfo(final String packageName, int userHandle, 16357 final IPackageStatsObserver observer) { 16358 mContext.enforceCallingOrSelfPermission( 16359 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16360 if (packageName == null) { 16361 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16362 } 16363 16364 PackageStats stats = new PackageStats(packageName, userHandle); 16365 16366 /* 16367 * Queue up an async operation since the package measurement may take a 16368 * little while. 16369 */ 16370 Message msg = mHandler.obtainMessage(INIT_COPY); 16371 msg.obj = new MeasureParams(stats, observer); 16372 mHandler.sendMessage(msg); 16373 } 16374 16375 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16376 final PackageSetting ps; 16377 synchronized (mPackages) { 16378 ps = mSettings.mPackages.get(packageName); 16379 if (ps == null) { 16380 Slog.w(TAG, "Failed to find settings for " + packageName); 16381 return false; 16382 } 16383 } 16384 try { 16385 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16386 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16387 ps.getCeDataInode(userId), ps.codePathString, stats); 16388 } catch (InstallerException e) { 16389 Slog.w(TAG, String.valueOf(e)); 16390 return false; 16391 } 16392 16393 // For now, ignore code size of packages on system partition 16394 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16395 stats.codeSize = 0; 16396 } 16397 16398 return true; 16399 } 16400 16401 private int getUidTargetSdkVersionLockedLPr(int uid) { 16402 Object obj = mSettings.getUserIdLPr(uid); 16403 if (obj instanceof SharedUserSetting) { 16404 final SharedUserSetting sus = (SharedUserSetting) obj; 16405 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16406 final Iterator<PackageSetting> it = sus.packages.iterator(); 16407 while (it.hasNext()) { 16408 final PackageSetting ps = it.next(); 16409 if (ps.pkg != null) { 16410 int v = ps.pkg.applicationInfo.targetSdkVersion; 16411 if (v < vers) vers = v; 16412 } 16413 } 16414 return vers; 16415 } else if (obj instanceof PackageSetting) { 16416 final PackageSetting ps = (PackageSetting) obj; 16417 if (ps.pkg != null) { 16418 return ps.pkg.applicationInfo.targetSdkVersion; 16419 } 16420 } 16421 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16422 } 16423 16424 @Override 16425 public void addPreferredActivity(IntentFilter filter, int match, 16426 ComponentName[] set, ComponentName activity, int userId) { 16427 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16428 "Adding preferred"); 16429 } 16430 16431 private void addPreferredActivityInternal(IntentFilter filter, int match, 16432 ComponentName[] set, ComponentName activity, boolean always, int userId, 16433 String opname) { 16434 // writer 16435 int callingUid = Binder.getCallingUid(); 16436 enforceCrossUserPermission(callingUid, userId, 16437 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16438 if (filter.countActions() == 0) { 16439 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16440 return; 16441 } 16442 synchronized (mPackages) { 16443 if (mContext.checkCallingOrSelfPermission( 16444 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16445 != PackageManager.PERMISSION_GRANTED) { 16446 if (getUidTargetSdkVersionLockedLPr(callingUid) 16447 < Build.VERSION_CODES.FROYO) { 16448 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16449 + callingUid); 16450 return; 16451 } 16452 mContext.enforceCallingOrSelfPermission( 16453 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16454 } 16455 16456 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16457 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16458 + userId + ":"); 16459 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16460 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16461 scheduleWritePackageRestrictionsLocked(userId); 16462 } 16463 } 16464 16465 @Override 16466 public void replacePreferredActivity(IntentFilter filter, int match, 16467 ComponentName[] set, ComponentName activity, int userId) { 16468 if (filter.countActions() != 1) { 16469 throw new IllegalArgumentException( 16470 "replacePreferredActivity expects filter to have only 1 action."); 16471 } 16472 if (filter.countDataAuthorities() != 0 16473 || filter.countDataPaths() != 0 16474 || filter.countDataSchemes() > 1 16475 || filter.countDataTypes() != 0) { 16476 throw new IllegalArgumentException( 16477 "replacePreferredActivity expects filter to have no data authorities, " + 16478 "paths, or types; and at most one scheme."); 16479 } 16480 16481 final int callingUid = Binder.getCallingUid(); 16482 enforceCrossUserPermission(callingUid, userId, 16483 true /* requireFullPermission */, false /* checkShell */, 16484 "replace preferred activity"); 16485 synchronized (mPackages) { 16486 if (mContext.checkCallingOrSelfPermission( 16487 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16488 != PackageManager.PERMISSION_GRANTED) { 16489 if (getUidTargetSdkVersionLockedLPr(callingUid) 16490 < Build.VERSION_CODES.FROYO) { 16491 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16492 + Binder.getCallingUid()); 16493 return; 16494 } 16495 mContext.enforceCallingOrSelfPermission( 16496 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16497 } 16498 16499 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16500 if (pir != null) { 16501 // Get all of the existing entries that exactly match this filter. 16502 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16503 if (existing != null && existing.size() == 1) { 16504 PreferredActivity cur = existing.get(0); 16505 if (DEBUG_PREFERRED) { 16506 Slog.i(TAG, "Checking replace of preferred:"); 16507 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16508 if (!cur.mPref.mAlways) { 16509 Slog.i(TAG, " -- CUR; not mAlways!"); 16510 } else { 16511 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16512 Slog.i(TAG, " -- CUR: mSet=" 16513 + Arrays.toString(cur.mPref.mSetComponents)); 16514 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16515 Slog.i(TAG, " -- NEW: mMatch=" 16516 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16517 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16518 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16519 } 16520 } 16521 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16522 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16523 && cur.mPref.sameSet(set)) { 16524 // Setting the preferred activity to what it happens to be already 16525 if (DEBUG_PREFERRED) { 16526 Slog.i(TAG, "Replacing with same preferred activity " 16527 + cur.mPref.mShortComponent + " for user " 16528 + userId + ":"); 16529 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16530 } 16531 return; 16532 } 16533 } 16534 16535 if (existing != null) { 16536 if (DEBUG_PREFERRED) { 16537 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16538 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16539 } 16540 for (int i = 0; i < existing.size(); i++) { 16541 PreferredActivity pa = existing.get(i); 16542 if (DEBUG_PREFERRED) { 16543 Slog.i(TAG, "Removing existing preferred activity " 16544 + pa.mPref.mComponent + ":"); 16545 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16546 } 16547 pir.removeFilter(pa); 16548 } 16549 } 16550 } 16551 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16552 "Replacing preferred"); 16553 } 16554 } 16555 16556 @Override 16557 public void clearPackagePreferredActivities(String packageName) { 16558 final int uid = Binder.getCallingUid(); 16559 // writer 16560 synchronized (mPackages) { 16561 PackageParser.Package pkg = mPackages.get(packageName); 16562 if (pkg == null || pkg.applicationInfo.uid != uid) { 16563 if (mContext.checkCallingOrSelfPermission( 16564 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16565 != PackageManager.PERMISSION_GRANTED) { 16566 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16567 < Build.VERSION_CODES.FROYO) { 16568 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16569 + Binder.getCallingUid()); 16570 return; 16571 } 16572 mContext.enforceCallingOrSelfPermission( 16573 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16574 } 16575 } 16576 16577 int user = UserHandle.getCallingUserId(); 16578 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16579 scheduleWritePackageRestrictionsLocked(user); 16580 } 16581 } 16582 } 16583 16584 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16585 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16586 ArrayList<PreferredActivity> removed = null; 16587 boolean changed = false; 16588 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16589 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16590 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16591 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16592 continue; 16593 } 16594 Iterator<PreferredActivity> it = pir.filterIterator(); 16595 while (it.hasNext()) { 16596 PreferredActivity pa = it.next(); 16597 // Mark entry for removal only if it matches the package name 16598 // and the entry is of type "always". 16599 if (packageName == null || 16600 (pa.mPref.mComponent.getPackageName().equals(packageName) 16601 && pa.mPref.mAlways)) { 16602 if (removed == null) { 16603 removed = new ArrayList<PreferredActivity>(); 16604 } 16605 removed.add(pa); 16606 } 16607 } 16608 if (removed != null) { 16609 for (int j=0; j<removed.size(); j++) { 16610 PreferredActivity pa = removed.get(j); 16611 pir.removeFilter(pa); 16612 } 16613 changed = true; 16614 } 16615 } 16616 return changed; 16617 } 16618 16619 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16620 private void clearIntentFilterVerificationsLPw(int userId) { 16621 final int packageCount = mPackages.size(); 16622 for (int i = 0; i < packageCount; i++) { 16623 PackageParser.Package pkg = mPackages.valueAt(i); 16624 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16625 } 16626 } 16627 16628 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16629 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16630 if (userId == UserHandle.USER_ALL) { 16631 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16632 sUserManager.getUserIds())) { 16633 for (int oneUserId : sUserManager.getUserIds()) { 16634 scheduleWritePackageRestrictionsLocked(oneUserId); 16635 } 16636 } 16637 } else { 16638 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16639 scheduleWritePackageRestrictionsLocked(userId); 16640 } 16641 } 16642 } 16643 16644 void clearDefaultBrowserIfNeeded(String packageName) { 16645 for (int oneUserId : sUserManager.getUserIds()) { 16646 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16647 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16648 if (packageName.equals(defaultBrowserPackageName)) { 16649 setDefaultBrowserPackageName(null, oneUserId); 16650 } 16651 } 16652 } 16653 16654 @Override 16655 public void resetApplicationPreferences(int userId) { 16656 mContext.enforceCallingOrSelfPermission( 16657 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16658 final long identity = Binder.clearCallingIdentity(); 16659 // writer 16660 try { 16661 synchronized (mPackages) { 16662 clearPackagePreferredActivitiesLPw(null, userId); 16663 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16664 // TODO: We have to reset the default SMS and Phone. This requires 16665 // significant refactoring to keep all default apps in the package 16666 // manager (cleaner but more work) or have the services provide 16667 // callbacks to the package manager to request a default app reset. 16668 applyFactoryDefaultBrowserLPw(userId); 16669 clearIntentFilterVerificationsLPw(userId); 16670 primeDomainVerificationsLPw(userId); 16671 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16672 scheduleWritePackageRestrictionsLocked(userId); 16673 } 16674 resetNetworkPolicies(userId); 16675 } finally { 16676 Binder.restoreCallingIdentity(identity); 16677 } 16678 } 16679 16680 @Override 16681 public int getPreferredActivities(List<IntentFilter> outFilters, 16682 List<ComponentName> outActivities, String packageName) { 16683 16684 int num = 0; 16685 final int userId = UserHandle.getCallingUserId(); 16686 // reader 16687 synchronized (mPackages) { 16688 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16689 if (pir != null) { 16690 final Iterator<PreferredActivity> it = pir.filterIterator(); 16691 while (it.hasNext()) { 16692 final PreferredActivity pa = it.next(); 16693 if (packageName == null 16694 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16695 && pa.mPref.mAlways)) { 16696 if (outFilters != null) { 16697 outFilters.add(new IntentFilter(pa)); 16698 } 16699 if (outActivities != null) { 16700 outActivities.add(pa.mPref.mComponent); 16701 } 16702 } 16703 } 16704 } 16705 } 16706 16707 return num; 16708 } 16709 16710 @Override 16711 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16712 int userId) { 16713 int callingUid = Binder.getCallingUid(); 16714 if (callingUid != Process.SYSTEM_UID) { 16715 throw new SecurityException( 16716 "addPersistentPreferredActivity can only be run by the system"); 16717 } 16718 if (filter.countActions() == 0) { 16719 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16720 return; 16721 } 16722 synchronized (mPackages) { 16723 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16724 ":"); 16725 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16726 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16727 new PersistentPreferredActivity(filter, activity)); 16728 scheduleWritePackageRestrictionsLocked(userId); 16729 } 16730 } 16731 16732 @Override 16733 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16734 int callingUid = Binder.getCallingUid(); 16735 if (callingUid != Process.SYSTEM_UID) { 16736 throw new SecurityException( 16737 "clearPackagePersistentPreferredActivities can only be run by the system"); 16738 } 16739 ArrayList<PersistentPreferredActivity> removed = null; 16740 boolean changed = false; 16741 synchronized (mPackages) { 16742 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16743 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16744 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16745 .valueAt(i); 16746 if (userId != thisUserId) { 16747 continue; 16748 } 16749 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16750 while (it.hasNext()) { 16751 PersistentPreferredActivity ppa = it.next(); 16752 // Mark entry for removal only if it matches the package name. 16753 if (ppa.mComponent.getPackageName().equals(packageName)) { 16754 if (removed == null) { 16755 removed = new ArrayList<PersistentPreferredActivity>(); 16756 } 16757 removed.add(ppa); 16758 } 16759 } 16760 if (removed != null) { 16761 for (int j=0; j<removed.size(); j++) { 16762 PersistentPreferredActivity ppa = removed.get(j); 16763 ppir.removeFilter(ppa); 16764 } 16765 changed = true; 16766 } 16767 } 16768 16769 if (changed) { 16770 scheduleWritePackageRestrictionsLocked(userId); 16771 } 16772 } 16773 } 16774 16775 /** 16776 * Common machinery for picking apart a restored XML blob and passing 16777 * it to a caller-supplied functor to be applied to the running system. 16778 */ 16779 private void restoreFromXml(XmlPullParser parser, int userId, 16780 String expectedStartTag, BlobXmlRestorer functor) 16781 throws IOException, XmlPullParserException { 16782 int type; 16783 while ((type = parser.next()) != XmlPullParser.START_TAG 16784 && type != XmlPullParser.END_DOCUMENT) { 16785 } 16786 if (type != XmlPullParser.START_TAG) { 16787 // oops didn't find a start tag?! 16788 if (DEBUG_BACKUP) { 16789 Slog.e(TAG, "Didn't find start tag during restore"); 16790 } 16791 return; 16792 } 16793Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16794 // this is supposed to be TAG_PREFERRED_BACKUP 16795 if (!expectedStartTag.equals(parser.getName())) { 16796 if (DEBUG_BACKUP) { 16797 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16798 } 16799 return; 16800 } 16801 16802 // skip interfering stuff, then we're aligned with the backing implementation 16803 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16804Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16805 functor.apply(parser, userId); 16806 } 16807 16808 private interface BlobXmlRestorer { 16809 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16810 } 16811 16812 /** 16813 * Non-Binder method, support for the backup/restore mechanism: write the 16814 * full set of preferred activities in its canonical XML format. Returns the 16815 * XML output as a byte array, or null if there is none. 16816 */ 16817 @Override 16818 public byte[] getPreferredActivityBackup(int userId) { 16819 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16820 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16821 } 16822 16823 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16824 try { 16825 final XmlSerializer serializer = new FastXmlSerializer(); 16826 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16827 serializer.startDocument(null, true); 16828 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16829 16830 synchronized (mPackages) { 16831 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16832 } 16833 16834 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16835 serializer.endDocument(); 16836 serializer.flush(); 16837 } catch (Exception e) { 16838 if (DEBUG_BACKUP) { 16839 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16840 } 16841 return null; 16842 } 16843 16844 return dataStream.toByteArray(); 16845 } 16846 16847 @Override 16848 public void restorePreferredActivities(byte[] backup, int userId) { 16849 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16850 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16851 } 16852 16853 try { 16854 final XmlPullParser parser = Xml.newPullParser(); 16855 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16856 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16857 new BlobXmlRestorer() { 16858 @Override 16859 public void apply(XmlPullParser parser, int userId) 16860 throws XmlPullParserException, IOException { 16861 synchronized (mPackages) { 16862 mSettings.readPreferredActivitiesLPw(parser, userId); 16863 } 16864 } 16865 } ); 16866 } catch (Exception e) { 16867 if (DEBUG_BACKUP) { 16868 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16869 } 16870 } 16871 } 16872 16873 /** 16874 * Non-Binder method, support for the backup/restore mechanism: write the 16875 * default browser (etc) settings in its canonical XML format. Returns the default 16876 * browser XML representation as a byte array, or null if there is none. 16877 */ 16878 @Override 16879 public byte[] getDefaultAppsBackup(int userId) { 16880 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16881 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16882 } 16883 16884 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16885 try { 16886 final XmlSerializer serializer = new FastXmlSerializer(); 16887 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16888 serializer.startDocument(null, true); 16889 serializer.startTag(null, TAG_DEFAULT_APPS); 16890 16891 synchronized (mPackages) { 16892 mSettings.writeDefaultAppsLPr(serializer, userId); 16893 } 16894 16895 serializer.endTag(null, TAG_DEFAULT_APPS); 16896 serializer.endDocument(); 16897 serializer.flush(); 16898 } catch (Exception e) { 16899 if (DEBUG_BACKUP) { 16900 Slog.e(TAG, "Unable to write default apps for backup", e); 16901 } 16902 return null; 16903 } 16904 16905 return dataStream.toByteArray(); 16906 } 16907 16908 @Override 16909 public void restoreDefaultApps(byte[] backup, int userId) { 16910 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16911 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16912 } 16913 16914 try { 16915 final XmlPullParser parser = Xml.newPullParser(); 16916 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16917 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16918 new BlobXmlRestorer() { 16919 @Override 16920 public void apply(XmlPullParser parser, int userId) 16921 throws XmlPullParserException, IOException { 16922 synchronized (mPackages) { 16923 mSettings.readDefaultAppsLPw(parser, userId); 16924 } 16925 } 16926 } ); 16927 } catch (Exception e) { 16928 if (DEBUG_BACKUP) { 16929 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16930 } 16931 } 16932 } 16933 16934 @Override 16935 public byte[] getIntentFilterVerificationBackup(int userId) { 16936 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16937 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16938 } 16939 16940 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16941 try { 16942 final XmlSerializer serializer = new FastXmlSerializer(); 16943 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16944 serializer.startDocument(null, true); 16945 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16946 16947 synchronized (mPackages) { 16948 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16949 } 16950 16951 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16952 serializer.endDocument(); 16953 serializer.flush(); 16954 } catch (Exception e) { 16955 if (DEBUG_BACKUP) { 16956 Slog.e(TAG, "Unable to write default apps for backup", e); 16957 } 16958 return null; 16959 } 16960 16961 return dataStream.toByteArray(); 16962 } 16963 16964 @Override 16965 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16966 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16967 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16968 } 16969 16970 try { 16971 final XmlPullParser parser = Xml.newPullParser(); 16972 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16973 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16974 new BlobXmlRestorer() { 16975 @Override 16976 public void apply(XmlPullParser parser, int userId) 16977 throws XmlPullParserException, IOException { 16978 synchronized (mPackages) { 16979 mSettings.readAllDomainVerificationsLPr(parser, userId); 16980 mSettings.writeLPr(); 16981 } 16982 } 16983 } ); 16984 } catch (Exception e) { 16985 if (DEBUG_BACKUP) { 16986 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16987 } 16988 } 16989 } 16990 16991 @Override 16992 public byte[] getPermissionGrantBackup(int userId) { 16993 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16994 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16995 } 16996 16997 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16998 try { 16999 final XmlSerializer serializer = new FastXmlSerializer(); 17000 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17001 serializer.startDocument(null, true); 17002 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17003 17004 synchronized (mPackages) { 17005 serializeRuntimePermissionGrantsLPr(serializer, userId); 17006 } 17007 17008 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17009 serializer.endDocument(); 17010 serializer.flush(); 17011 } catch (Exception e) { 17012 if (DEBUG_BACKUP) { 17013 Slog.e(TAG, "Unable to write default apps for backup", e); 17014 } 17015 return null; 17016 } 17017 17018 return dataStream.toByteArray(); 17019 } 17020 17021 @Override 17022 public void restorePermissionGrants(byte[] backup, int userId) { 17023 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17024 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17025 } 17026 17027 try { 17028 final XmlPullParser parser = Xml.newPullParser(); 17029 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17030 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17031 new BlobXmlRestorer() { 17032 @Override 17033 public void apply(XmlPullParser parser, int userId) 17034 throws XmlPullParserException, IOException { 17035 synchronized (mPackages) { 17036 processRestoredPermissionGrantsLPr(parser, userId); 17037 } 17038 } 17039 } ); 17040 } catch (Exception e) { 17041 if (DEBUG_BACKUP) { 17042 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17043 } 17044 } 17045 } 17046 17047 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17048 throws IOException { 17049 serializer.startTag(null, TAG_ALL_GRANTS); 17050 17051 final int N = mSettings.mPackages.size(); 17052 for (int i = 0; i < N; i++) { 17053 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17054 boolean pkgGrantsKnown = false; 17055 17056 PermissionsState packagePerms = ps.getPermissionsState(); 17057 17058 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17059 final int grantFlags = state.getFlags(); 17060 // only look at grants that are not system/policy fixed 17061 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17062 final boolean isGranted = state.isGranted(); 17063 // And only back up the user-twiddled state bits 17064 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17065 final String packageName = mSettings.mPackages.keyAt(i); 17066 if (!pkgGrantsKnown) { 17067 serializer.startTag(null, TAG_GRANT); 17068 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17069 pkgGrantsKnown = true; 17070 } 17071 17072 final boolean userSet = 17073 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17074 final boolean userFixed = 17075 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17076 final boolean revoke = 17077 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17078 17079 serializer.startTag(null, TAG_PERMISSION); 17080 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17081 if (isGranted) { 17082 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17083 } 17084 if (userSet) { 17085 serializer.attribute(null, ATTR_USER_SET, "true"); 17086 } 17087 if (userFixed) { 17088 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17089 } 17090 if (revoke) { 17091 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17092 } 17093 serializer.endTag(null, TAG_PERMISSION); 17094 } 17095 } 17096 } 17097 17098 if (pkgGrantsKnown) { 17099 serializer.endTag(null, TAG_GRANT); 17100 } 17101 } 17102 17103 serializer.endTag(null, TAG_ALL_GRANTS); 17104 } 17105 17106 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17107 throws XmlPullParserException, IOException { 17108 String pkgName = null; 17109 int outerDepth = parser.getDepth(); 17110 int type; 17111 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17112 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17113 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17114 continue; 17115 } 17116 17117 final String tagName = parser.getName(); 17118 if (tagName.equals(TAG_GRANT)) { 17119 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17120 if (DEBUG_BACKUP) { 17121 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17122 } 17123 } else if (tagName.equals(TAG_PERMISSION)) { 17124 17125 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17126 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17127 17128 int newFlagSet = 0; 17129 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17130 newFlagSet |= FLAG_PERMISSION_USER_SET; 17131 } 17132 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17133 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17134 } 17135 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17136 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17137 } 17138 if (DEBUG_BACKUP) { 17139 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17140 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17141 } 17142 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17143 if (ps != null) { 17144 // Already installed so we apply the grant immediately 17145 if (DEBUG_BACKUP) { 17146 Slog.v(TAG, " + already installed; applying"); 17147 } 17148 PermissionsState perms = ps.getPermissionsState(); 17149 BasePermission bp = mSettings.mPermissions.get(permName); 17150 if (bp != null) { 17151 if (isGranted) { 17152 perms.grantRuntimePermission(bp, userId); 17153 } 17154 if (newFlagSet != 0) { 17155 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17156 } 17157 } 17158 } else { 17159 // Need to wait for post-restore install to apply the grant 17160 if (DEBUG_BACKUP) { 17161 Slog.v(TAG, " - not yet installed; saving for later"); 17162 } 17163 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17164 isGranted, newFlagSet, userId); 17165 } 17166 } else { 17167 PackageManagerService.reportSettingsProblem(Log.WARN, 17168 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17169 XmlUtils.skipCurrentTag(parser); 17170 } 17171 } 17172 17173 scheduleWriteSettingsLocked(); 17174 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17175 } 17176 17177 @Override 17178 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17179 int sourceUserId, int targetUserId, int flags) { 17180 mContext.enforceCallingOrSelfPermission( 17181 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17182 int callingUid = Binder.getCallingUid(); 17183 enforceOwnerRights(ownerPackage, callingUid); 17184 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17185 if (intentFilter.countActions() == 0) { 17186 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17187 return; 17188 } 17189 synchronized (mPackages) { 17190 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17191 ownerPackage, targetUserId, flags); 17192 CrossProfileIntentResolver resolver = 17193 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17194 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17195 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17196 if (existing != null) { 17197 int size = existing.size(); 17198 for (int i = 0; i < size; i++) { 17199 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17200 return; 17201 } 17202 } 17203 } 17204 resolver.addFilter(newFilter); 17205 scheduleWritePackageRestrictionsLocked(sourceUserId); 17206 } 17207 } 17208 17209 @Override 17210 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17211 mContext.enforceCallingOrSelfPermission( 17212 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17213 int callingUid = Binder.getCallingUid(); 17214 enforceOwnerRights(ownerPackage, callingUid); 17215 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17216 synchronized (mPackages) { 17217 CrossProfileIntentResolver resolver = 17218 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17219 ArraySet<CrossProfileIntentFilter> set = 17220 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17221 for (CrossProfileIntentFilter filter : set) { 17222 if (filter.getOwnerPackage().equals(ownerPackage)) { 17223 resolver.removeFilter(filter); 17224 } 17225 } 17226 scheduleWritePackageRestrictionsLocked(sourceUserId); 17227 } 17228 } 17229 17230 // Enforcing that callingUid is owning pkg on userId 17231 private void enforceOwnerRights(String pkg, int callingUid) { 17232 // The system owns everything. 17233 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17234 return; 17235 } 17236 int callingUserId = UserHandle.getUserId(callingUid); 17237 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17238 if (pi == null) { 17239 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17240 + callingUserId); 17241 } 17242 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17243 throw new SecurityException("Calling uid " + callingUid 17244 + " does not own package " + pkg); 17245 } 17246 } 17247 17248 @Override 17249 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17250 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17251 } 17252 17253 private Intent getHomeIntent() { 17254 Intent intent = new Intent(Intent.ACTION_MAIN); 17255 intent.addCategory(Intent.CATEGORY_HOME); 17256 return intent; 17257 } 17258 17259 private IntentFilter getHomeFilter() { 17260 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17261 filter.addCategory(Intent.CATEGORY_HOME); 17262 filter.addCategory(Intent.CATEGORY_DEFAULT); 17263 return filter; 17264 } 17265 17266 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17267 int userId) { 17268 Intent intent = getHomeIntent(); 17269 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17270 PackageManager.GET_META_DATA, userId); 17271 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17272 true, false, false, userId); 17273 17274 allHomeCandidates.clear(); 17275 if (list != null) { 17276 for (ResolveInfo ri : list) { 17277 allHomeCandidates.add(ri); 17278 } 17279 } 17280 return (preferred == null || preferred.activityInfo == null) 17281 ? null 17282 : new ComponentName(preferred.activityInfo.packageName, 17283 preferred.activityInfo.name); 17284 } 17285 17286 @Override 17287 public void setHomeActivity(ComponentName comp, int userId) { 17288 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17289 getHomeActivitiesAsUser(homeActivities, userId); 17290 17291 boolean found = false; 17292 17293 final int size = homeActivities.size(); 17294 final ComponentName[] set = new ComponentName[size]; 17295 for (int i = 0; i < size; i++) { 17296 final ResolveInfo candidate = homeActivities.get(i); 17297 final ActivityInfo info = candidate.activityInfo; 17298 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17299 set[i] = activityName; 17300 if (!found && activityName.equals(comp)) { 17301 found = true; 17302 } 17303 } 17304 if (!found) { 17305 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17306 + userId); 17307 } 17308 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17309 set, comp, userId); 17310 } 17311 17312 private @Nullable String getSetupWizardPackageName() { 17313 final Intent intent = new Intent(Intent.ACTION_MAIN); 17314 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17315 17316 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17317 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17318 | MATCH_DISABLED_COMPONENTS, 17319 UserHandle.myUserId()); 17320 if (matches.size() == 1) { 17321 return matches.get(0).getComponentInfo().packageName; 17322 } else { 17323 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17324 + ": matches=" + matches); 17325 return null; 17326 } 17327 } 17328 17329 @Override 17330 public void setApplicationEnabledSetting(String appPackageName, 17331 int newState, int flags, int userId, String callingPackage) { 17332 if (!sUserManager.exists(userId)) return; 17333 if (callingPackage == null) { 17334 callingPackage = Integer.toString(Binder.getCallingUid()); 17335 } 17336 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17337 } 17338 17339 @Override 17340 public void setComponentEnabledSetting(ComponentName componentName, 17341 int newState, int flags, int userId) { 17342 if (!sUserManager.exists(userId)) return; 17343 setEnabledSetting(componentName.getPackageName(), 17344 componentName.getClassName(), newState, flags, userId, null); 17345 } 17346 17347 private void setEnabledSetting(final String packageName, String className, int newState, 17348 final int flags, int userId, String callingPackage) { 17349 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17350 || newState == COMPONENT_ENABLED_STATE_ENABLED 17351 || newState == COMPONENT_ENABLED_STATE_DISABLED 17352 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17353 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17354 throw new IllegalArgumentException("Invalid new component state: " 17355 + newState); 17356 } 17357 PackageSetting pkgSetting; 17358 final int uid = Binder.getCallingUid(); 17359 final int permission; 17360 if (uid == Process.SYSTEM_UID) { 17361 permission = PackageManager.PERMISSION_GRANTED; 17362 } else { 17363 permission = mContext.checkCallingOrSelfPermission( 17364 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17365 } 17366 enforceCrossUserPermission(uid, userId, 17367 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17368 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17369 boolean sendNow = false; 17370 boolean isApp = (className == null); 17371 String componentName = isApp ? packageName : className; 17372 int packageUid = -1; 17373 ArrayList<String> components; 17374 17375 // writer 17376 synchronized (mPackages) { 17377 pkgSetting = mSettings.mPackages.get(packageName); 17378 if (pkgSetting == null) { 17379 if (className == null) { 17380 throw new IllegalArgumentException("Unknown package: " + packageName); 17381 } 17382 throw new IllegalArgumentException( 17383 "Unknown component: " + packageName + "/" + className); 17384 } 17385 // Allow root and verify that userId is not being specified by a different user 17386 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17387 throw new SecurityException( 17388 "Permission Denial: attempt to change component state from pid=" 17389 + Binder.getCallingPid() 17390 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17391 } 17392 if (className == null) { 17393 // We're dealing with an application/package level state change 17394 if (pkgSetting.getEnabled(userId) == newState) { 17395 // Nothing to do 17396 return; 17397 } 17398 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17399 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17400 // Don't care about who enables an app. 17401 callingPackage = null; 17402 } 17403 pkgSetting.setEnabled(newState, userId, callingPackage); 17404 // pkgSetting.pkg.mSetEnabled = newState; 17405 } else { 17406 // We're dealing with a component level state change 17407 // First, verify that this is a valid class name. 17408 PackageParser.Package pkg = pkgSetting.pkg; 17409 if (pkg == null || !pkg.hasComponentClassName(className)) { 17410 if (pkg != null && 17411 pkg.applicationInfo.targetSdkVersion >= 17412 Build.VERSION_CODES.JELLY_BEAN) { 17413 throw new IllegalArgumentException("Component class " + className 17414 + " does not exist in " + packageName); 17415 } else { 17416 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17417 + className + " does not exist in " + packageName); 17418 } 17419 } 17420 switch (newState) { 17421 case COMPONENT_ENABLED_STATE_ENABLED: 17422 if (!pkgSetting.enableComponentLPw(className, userId)) { 17423 return; 17424 } 17425 break; 17426 case COMPONENT_ENABLED_STATE_DISABLED: 17427 if (!pkgSetting.disableComponentLPw(className, userId)) { 17428 return; 17429 } 17430 break; 17431 case COMPONENT_ENABLED_STATE_DEFAULT: 17432 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17433 return; 17434 } 17435 break; 17436 default: 17437 Slog.e(TAG, "Invalid new component state: " + newState); 17438 return; 17439 } 17440 } 17441 scheduleWritePackageRestrictionsLocked(userId); 17442 components = mPendingBroadcasts.get(userId, packageName); 17443 final boolean newPackage = components == null; 17444 if (newPackage) { 17445 components = new ArrayList<String>(); 17446 } 17447 if (!components.contains(componentName)) { 17448 components.add(componentName); 17449 } 17450 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17451 sendNow = true; 17452 // Purge entry from pending broadcast list if another one exists already 17453 // since we are sending one right away. 17454 mPendingBroadcasts.remove(userId, packageName); 17455 } else { 17456 if (newPackage) { 17457 mPendingBroadcasts.put(userId, packageName, components); 17458 } 17459 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17460 // Schedule a message 17461 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17462 } 17463 } 17464 } 17465 17466 long callingId = Binder.clearCallingIdentity(); 17467 try { 17468 if (sendNow) { 17469 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17470 sendPackageChangedBroadcast(packageName, 17471 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17472 } 17473 } finally { 17474 Binder.restoreCallingIdentity(callingId); 17475 } 17476 } 17477 17478 @Override 17479 public void flushPackageRestrictionsAsUser(int userId) { 17480 if (!sUserManager.exists(userId)) { 17481 return; 17482 } 17483 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17484 false /* checkShell */, "flushPackageRestrictions"); 17485 synchronized (mPackages) { 17486 mSettings.writePackageRestrictionsLPr(userId); 17487 mDirtyUsers.remove(userId); 17488 if (mDirtyUsers.isEmpty()) { 17489 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17490 } 17491 } 17492 } 17493 17494 private void sendPackageChangedBroadcast(String packageName, 17495 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17496 if (DEBUG_INSTALL) 17497 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17498 + componentNames); 17499 Bundle extras = new Bundle(4); 17500 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17501 String nameList[] = new String[componentNames.size()]; 17502 componentNames.toArray(nameList); 17503 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17504 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17505 extras.putInt(Intent.EXTRA_UID, packageUid); 17506 // If this is not reporting a change of the overall package, then only send it 17507 // to registered receivers. We don't want to launch a swath of apps for every 17508 // little component state change. 17509 final int flags = !componentNames.contains(packageName) 17510 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17511 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17512 new int[] {UserHandle.getUserId(packageUid)}); 17513 } 17514 17515 @Override 17516 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17517 if (!sUserManager.exists(userId)) return; 17518 final int uid = Binder.getCallingUid(); 17519 final int permission = mContext.checkCallingOrSelfPermission( 17520 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17521 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17522 enforceCrossUserPermission(uid, userId, 17523 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17524 // writer 17525 synchronized (mPackages) { 17526 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17527 allowedByPermission, uid, userId)) { 17528 scheduleWritePackageRestrictionsLocked(userId); 17529 } 17530 } 17531 } 17532 17533 @Override 17534 public String getInstallerPackageName(String packageName) { 17535 // reader 17536 synchronized (mPackages) { 17537 return mSettings.getInstallerPackageNameLPr(packageName); 17538 } 17539 } 17540 17541 public boolean isOrphaned(String packageName) { 17542 // reader 17543 synchronized (mPackages) { 17544 return mSettings.isOrphaned(packageName); 17545 } 17546 } 17547 17548 @Override 17549 public int getApplicationEnabledSetting(String packageName, int userId) { 17550 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17551 int uid = Binder.getCallingUid(); 17552 enforceCrossUserPermission(uid, userId, 17553 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17554 // reader 17555 synchronized (mPackages) { 17556 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17557 } 17558 } 17559 17560 @Override 17561 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17562 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17563 int uid = Binder.getCallingUid(); 17564 enforceCrossUserPermission(uid, userId, 17565 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17566 // reader 17567 synchronized (mPackages) { 17568 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17569 } 17570 } 17571 17572 @Override 17573 public void enterSafeMode() { 17574 enforceSystemOrRoot("Only the system can request entering safe mode"); 17575 17576 if (!mSystemReady) { 17577 mSafeMode = true; 17578 } 17579 } 17580 17581 @Override 17582 public void systemReady() { 17583 mSystemReady = true; 17584 17585 // Read the compatibilty setting when the system is ready. 17586 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17587 mContext.getContentResolver(), 17588 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17589 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17590 if (DEBUG_SETTINGS) { 17591 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17592 } 17593 17594 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17595 17596 synchronized (mPackages) { 17597 // Verify that all of the preferred activity components actually 17598 // exist. It is possible for applications to be updated and at 17599 // that point remove a previously declared activity component that 17600 // had been set as a preferred activity. We try to clean this up 17601 // the next time we encounter that preferred activity, but it is 17602 // possible for the user flow to never be able to return to that 17603 // situation so here we do a sanity check to make sure we haven't 17604 // left any junk around. 17605 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17606 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17607 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17608 removed.clear(); 17609 for (PreferredActivity pa : pir.filterSet()) { 17610 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17611 removed.add(pa); 17612 } 17613 } 17614 if (removed.size() > 0) { 17615 for (int r=0; r<removed.size(); r++) { 17616 PreferredActivity pa = removed.get(r); 17617 Slog.w(TAG, "Removing dangling preferred activity: " 17618 + pa.mPref.mComponent); 17619 pir.removeFilter(pa); 17620 } 17621 mSettings.writePackageRestrictionsLPr( 17622 mSettings.mPreferredActivities.keyAt(i)); 17623 } 17624 } 17625 17626 for (int userId : UserManagerService.getInstance().getUserIds()) { 17627 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17628 grantPermissionsUserIds = ArrayUtils.appendInt( 17629 grantPermissionsUserIds, userId); 17630 } 17631 } 17632 } 17633 sUserManager.systemReady(); 17634 17635 // If we upgraded grant all default permissions before kicking off. 17636 for (int userId : grantPermissionsUserIds) { 17637 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17638 } 17639 17640 // Kick off any messages waiting for system ready 17641 if (mPostSystemReadyMessages != null) { 17642 for (Message msg : mPostSystemReadyMessages) { 17643 msg.sendToTarget(); 17644 } 17645 mPostSystemReadyMessages = null; 17646 } 17647 17648 // Watch for external volumes that come and go over time 17649 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17650 storage.registerListener(mStorageListener); 17651 17652 mInstallerService.systemReady(); 17653 mPackageDexOptimizer.systemReady(); 17654 17655 MountServiceInternal mountServiceInternal = LocalServices.getService( 17656 MountServiceInternal.class); 17657 mountServiceInternal.addExternalStoragePolicy( 17658 new MountServiceInternal.ExternalStorageMountPolicy() { 17659 @Override 17660 public int getMountMode(int uid, String packageName) { 17661 if (Process.isIsolated(uid)) { 17662 return Zygote.MOUNT_EXTERNAL_NONE; 17663 } 17664 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17665 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17666 } 17667 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17668 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17669 } 17670 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17671 return Zygote.MOUNT_EXTERNAL_READ; 17672 } 17673 return Zygote.MOUNT_EXTERNAL_WRITE; 17674 } 17675 17676 @Override 17677 public boolean hasExternalStorage(int uid, String packageName) { 17678 return true; 17679 } 17680 }); 17681 17682 // Now that we're mostly running, clean up stale users and apps 17683 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17684 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17685 } 17686 17687 @Override 17688 public boolean isSafeMode() { 17689 return mSafeMode; 17690 } 17691 17692 @Override 17693 public boolean hasSystemUidErrors() { 17694 return mHasSystemUidErrors; 17695 } 17696 17697 static String arrayToString(int[] array) { 17698 StringBuffer buf = new StringBuffer(128); 17699 buf.append('['); 17700 if (array != null) { 17701 for (int i=0; i<array.length; i++) { 17702 if (i > 0) buf.append(", "); 17703 buf.append(array[i]); 17704 } 17705 } 17706 buf.append(']'); 17707 return buf.toString(); 17708 } 17709 17710 static class DumpState { 17711 public static final int DUMP_LIBS = 1 << 0; 17712 public static final int DUMP_FEATURES = 1 << 1; 17713 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17714 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17715 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17716 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17717 public static final int DUMP_PERMISSIONS = 1 << 6; 17718 public static final int DUMP_PACKAGES = 1 << 7; 17719 public static final int DUMP_SHARED_USERS = 1 << 8; 17720 public static final int DUMP_MESSAGES = 1 << 9; 17721 public static final int DUMP_PROVIDERS = 1 << 10; 17722 public static final int DUMP_VERIFIERS = 1 << 11; 17723 public static final int DUMP_PREFERRED = 1 << 12; 17724 public static final int DUMP_PREFERRED_XML = 1 << 13; 17725 public static final int DUMP_KEYSETS = 1 << 14; 17726 public static final int DUMP_VERSION = 1 << 15; 17727 public static final int DUMP_INSTALLS = 1 << 16; 17728 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17729 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17730 public static final int DUMP_FROZEN = 1 << 19; 17731 17732 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17733 17734 private int mTypes; 17735 17736 private int mOptions; 17737 17738 private boolean mTitlePrinted; 17739 17740 private SharedUserSetting mSharedUser; 17741 17742 public boolean isDumping(int type) { 17743 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17744 return true; 17745 } 17746 17747 return (mTypes & type) != 0; 17748 } 17749 17750 public void setDump(int type) { 17751 mTypes |= type; 17752 } 17753 17754 public boolean isOptionEnabled(int option) { 17755 return (mOptions & option) != 0; 17756 } 17757 17758 public void setOptionEnabled(int option) { 17759 mOptions |= option; 17760 } 17761 17762 public boolean onTitlePrinted() { 17763 final boolean printed = mTitlePrinted; 17764 mTitlePrinted = true; 17765 return printed; 17766 } 17767 17768 public boolean getTitlePrinted() { 17769 return mTitlePrinted; 17770 } 17771 17772 public void setTitlePrinted(boolean enabled) { 17773 mTitlePrinted = enabled; 17774 } 17775 17776 public SharedUserSetting getSharedUser() { 17777 return mSharedUser; 17778 } 17779 17780 public void setSharedUser(SharedUserSetting user) { 17781 mSharedUser = user; 17782 } 17783 } 17784 17785 @Override 17786 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17787 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17788 (new PackageManagerShellCommand(this)).exec( 17789 this, in, out, err, args, resultReceiver); 17790 } 17791 17792 @Override 17793 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17794 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17795 != PackageManager.PERMISSION_GRANTED) { 17796 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17797 + Binder.getCallingPid() 17798 + ", uid=" + Binder.getCallingUid() 17799 + " without permission " 17800 + android.Manifest.permission.DUMP); 17801 return; 17802 } 17803 17804 DumpState dumpState = new DumpState(); 17805 boolean fullPreferred = false; 17806 boolean checkin = false; 17807 17808 String packageName = null; 17809 ArraySet<String> permissionNames = null; 17810 17811 int opti = 0; 17812 while (opti < args.length) { 17813 String opt = args[opti]; 17814 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17815 break; 17816 } 17817 opti++; 17818 17819 if ("-a".equals(opt)) { 17820 // Right now we only know how to print all. 17821 } else if ("-h".equals(opt)) { 17822 pw.println("Package manager dump options:"); 17823 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17824 pw.println(" --checkin: dump for a checkin"); 17825 pw.println(" -f: print details of intent filters"); 17826 pw.println(" -h: print this help"); 17827 pw.println(" cmd may be one of:"); 17828 pw.println(" l[ibraries]: list known shared libraries"); 17829 pw.println(" f[eatures]: list device features"); 17830 pw.println(" k[eysets]: print known keysets"); 17831 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17832 pw.println(" perm[issions]: dump permissions"); 17833 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17834 pw.println(" pref[erred]: print preferred package settings"); 17835 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17836 pw.println(" prov[iders]: dump content providers"); 17837 pw.println(" p[ackages]: dump installed packages"); 17838 pw.println(" s[hared-users]: dump shared user IDs"); 17839 pw.println(" m[essages]: print collected runtime messages"); 17840 pw.println(" v[erifiers]: print package verifier info"); 17841 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17842 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17843 pw.println(" version: print database version info"); 17844 pw.println(" write: write current settings now"); 17845 pw.println(" installs: details about install sessions"); 17846 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17847 pw.println(" <package.name>: info about given package"); 17848 return; 17849 } else if ("--checkin".equals(opt)) { 17850 checkin = true; 17851 } else if ("-f".equals(opt)) { 17852 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17853 } else { 17854 pw.println("Unknown argument: " + opt + "; use -h for help"); 17855 } 17856 } 17857 17858 // Is the caller requesting to dump a particular piece of data? 17859 if (opti < args.length) { 17860 String cmd = args[opti]; 17861 opti++; 17862 // Is this a package name? 17863 if ("android".equals(cmd) || cmd.contains(".")) { 17864 packageName = cmd; 17865 // When dumping a single package, we always dump all of its 17866 // filter information since the amount of data will be reasonable. 17867 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17868 } else if ("check-permission".equals(cmd)) { 17869 if (opti >= args.length) { 17870 pw.println("Error: check-permission missing permission argument"); 17871 return; 17872 } 17873 String perm = args[opti]; 17874 opti++; 17875 if (opti >= args.length) { 17876 pw.println("Error: check-permission missing package argument"); 17877 return; 17878 } 17879 String pkg = args[opti]; 17880 opti++; 17881 int user = UserHandle.getUserId(Binder.getCallingUid()); 17882 if (opti < args.length) { 17883 try { 17884 user = Integer.parseInt(args[opti]); 17885 } catch (NumberFormatException e) { 17886 pw.println("Error: check-permission user argument is not a number: " 17887 + args[opti]); 17888 return; 17889 } 17890 } 17891 pw.println(checkPermission(perm, pkg, user)); 17892 return; 17893 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17894 dumpState.setDump(DumpState.DUMP_LIBS); 17895 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17896 dumpState.setDump(DumpState.DUMP_FEATURES); 17897 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17898 if (opti >= args.length) { 17899 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17900 | DumpState.DUMP_SERVICE_RESOLVERS 17901 | DumpState.DUMP_RECEIVER_RESOLVERS 17902 | DumpState.DUMP_CONTENT_RESOLVERS); 17903 } else { 17904 while (opti < args.length) { 17905 String name = args[opti]; 17906 if ("a".equals(name) || "activity".equals(name)) { 17907 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17908 } else if ("s".equals(name) || "service".equals(name)) { 17909 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17910 } else if ("r".equals(name) || "receiver".equals(name)) { 17911 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17912 } else if ("c".equals(name) || "content".equals(name)) { 17913 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17914 } else { 17915 pw.println("Error: unknown resolver table type: " + name); 17916 return; 17917 } 17918 opti++; 17919 } 17920 } 17921 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17922 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17923 } else if ("permission".equals(cmd)) { 17924 if (opti >= args.length) { 17925 pw.println("Error: permission requires permission name"); 17926 return; 17927 } 17928 permissionNames = new ArraySet<>(); 17929 while (opti < args.length) { 17930 permissionNames.add(args[opti]); 17931 opti++; 17932 } 17933 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17934 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17935 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17936 dumpState.setDump(DumpState.DUMP_PREFERRED); 17937 } else if ("preferred-xml".equals(cmd)) { 17938 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17939 if (opti < args.length && "--full".equals(args[opti])) { 17940 fullPreferred = true; 17941 opti++; 17942 } 17943 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17944 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17945 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17946 dumpState.setDump(DumpState.DUMP_PACKAGES); 17947 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17948 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17949 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17950 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17951 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17952 dumpState.setDump(DumpState.DUMP_MESSAGES); 17953 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17954 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17955 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17956 || "intent-filter-verifiers".equals(cmd)) { 17957 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17958 } else if ("version".equals(cmd)) { 17959 dumpState.setDump(DumpState.DUMP_VERSION); 17960 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17961 dumpState.setDump(DumpState.DUMP_KEYSETS); 17962 } else if ("installs".equals(cmd)) { 17963 dumpState.setDump(DumpState.DUMP_INSTALLS); 17964 } else if ("frozen".equals(cmd)) { 17965 dumpState.setDump(DumpState.DUMP_FROZEN); 17966 } else if ("write".equals(cmd)) { 17967 synchronized (mPackages) { 17968 mSettings.writeLPr(); 17969 pw.println("Settings written."); 17970 return; 17971 } 17972 } 17973 } 17974 17975 if (checkin) { 17976 pw.println("vers,1"); 17977 } 17978 17979 // reader 17980 synchronized (mPackages) { 17981 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17982 if (!checkin) { 17983 if (dumpState.onTitlePrinted()) 17984 pw.println(); 17985 pw.println("Database versions:"); 17986 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17987 } 17988 } 17989 17990 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17991 if (!checkin) { 17992 if (dumpState.onTitlePrinted()) 17993 pw.println(); 17994 pw.println("Verifiers:"); 17995 pw.print(" Required: "); 17996 pw.print(mRequiredVerifierPackage); 17997 pw.print(" (uid="); 17998 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17999 UserHandle.USER_SYSTEM)); 18000 pw.println(")"); 18001 } else if (mRequiredVerifierPackage != null) { 18002 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18003 pw.print(","); 18004 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18005 UserHandle.USER_SYSTEM)); 18006 } 18007 } 18008 18009 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18010 packageName == null) { 18011 if (mIntentFilterVerifierComponent != null) { 18012 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18013 if (!checkin) { 18014 if (dumpState.onTitlePrinted()) 18015 pw.println(); 18016 pw.println("Intent Filter Verifier:"); 18017 pw.print(" Using: "); 18018 pw.print(verifierPackageName); 18019 pw.print(" (uid="); 18020 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18021 UserHandle.USER_SYSTEM)); 18022 pw.println(")"); 18023 } else if (verifierPackageName != null) { 18024 pw.print("ifv,"); pw.print(verifierPackageName); 18025 pw.print(","); 18026 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18027 UserHandle.USER_SYSTEM)); 18028 } 18029 } else { 18030 pw.println(); 18031 pw.println("No Intent Filter Verifier available!"); 18032 } 18033 } 18034 18035 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18036 boolean printedHeader = false; 18037 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18038 while (it.hasNext()) { 18039 String name = it.next(); 18040 SharedLibraryEntry ent = mSharedLibraries.get(name); 18041 if (!checkin) { 18042 if (!printedHeader) { 18043 if (dumpState.onTitlePrinted()) 18044 pw.println(); 18045 pw.println("Libraries:"); 18046 printedHeader = true; 18047 } 18048 pw.print(" "); 18049 } else { 18050 pw.print("lib,"); 18051 } 18052 pw.print(name); 18053 if (!checkin) { 18054 pw.print(" -> "); 18055 } 18056 if (ent.path != null) { 18057 if (!checkin) { 18058 pw.print("(jar) "); 18059 pw.print(ent.path); 18060 } else { 18061 pw.print(",jar,"); 18062 pw.print(ent.path); 18063 } 18064 } else { 18065 if (!checkin) { 18066 pw.print("(apk) "); 18067 pw.print(ent.apk); 18068 } else { 18069 pw.print(",apk,"); 18070 pw.print(ent.apk); 18071 } 18072 } 18073 pw.println(); 18074 } 18075 } 18076 18077 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18078 if (dumpState.onTitlePrinted()) 18079 pw.println(); 18080 if (!checkin) { 18081 pw.println("Features:"); 18082 } 18083 18084 for (FeatureInfo feat : mAvailableFeatures.values()) { 18085 if (checkin) { 18086 pw.print("feat,"); 18087 pw.print(feat.name); 18088 pw.print(","); 18089 pw.println(feat.version); 18090 } else { 18091 pw.print(" "); 18092 pw.print(feat.name); 18093 if (feat.version > 0) { 18094 pw.print(" version="); 18095 pw.print(feat.version); 18096 } 18097 pw.println(); 18098 } 18099 } 18100 } 18101 18102 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18103 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18104 : "Activity Resolver Table:", " ", packageName, 18105 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18106 dumpState.setTitlePrinted(true); 18107 } 18108 } 18109 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18110 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18111 : "Receiver Resolver Table:", " ", packageName, 18112 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18113 dumpState.setTitlePrinted(true); 18114 } 18115 } 18116 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18117 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18118 : "Service Resolver Table:", " ", packageName, 18119 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18120 dumpState.setTitlePrinted(true); 18121 } 18122 } 18123 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18124 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18125 : "Provider Resolver Table:", " ", packageName, 18126 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18127 dumpState.setTitlePrinted(true); 18128 } 18129 } 18130 18131 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18132 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18133 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18134 int user = mSettings.mPreferredActivities.keyAt(i); 18135 if (pir.dump(pw, 18136 dumpState.getTitlePrinted() 18137 ? "\nPreferred Activities User " + user + ":" 18138 : "Preferred Activities User " + user + ":", " ", 18139 packageName, true, false)) { 18140 dumpState.setTitlePrinted(true); 18141 } 18142 } 18143 } 18144 18145 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18146 pw.flush(); 18147 FileOutputStream fout = new FileOutputStream(fd); 18148 BufferedOutputStream str = new BufferedOutputStream(fout); 18149 XmlSerializer serializer = new FastXmlSerializer(); 18150 try { 18151 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18152 serializer.startDocument(null, true); 18153 serializer.setFeature( 18154 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18155 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18156 serializer.endDocument(); 18157 serializer.flush(); 18158 } catch (IllegalArgumentException e) { 18159 pw.println("Failed writing: " + e); 18160 } catch (IllegalStateException e) { 18161 pw.println("Failed writing: " + e); 18162 } catch (IOException e) { 18163 pw.println("Failed writing: " + e); 18164 } 18165 } 18166 18167 if (!checkin 18168 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18169 && packageName == null) { 18170 pw.println(); 18171 int count = mSettings.mPackages.size(); 18172 if (count == 0) { 18173 pw.println("No applications!"); 18174 pw.println(); 18175 } else { 18176 final String prefix = " "; 18177 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18178 if (allPackageSettings.size() == 0) { 18179 pw.println("No domain preferred apps!"); 18180 pw.println(); 18181 } else { 18182 pw.println("App verification status:"); 18183 pw.println(); 18184 count = 0; 18185 for (PackageSetting ps : allPackageSettings) { 18186 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18187 if (ivi == null || ivi.getPackageName() == null) continue; 18188 pw.println(prefix + "Package: " + ivi.getPackageName()); 18189 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18190 pw.println(prefix + "Status: " + ivi.getStatusString()); 18191 pw.println(); 18192 count++; 18193 } 18194 if (count == 0) { 18195 pw.println(prefix + "No app verification established."); 18196 pw.println(); 18197 } 18198 for (int userId : sUserManager.getUserIds()) { 18199 pw.println("App linkages for user " + userId + ":"); 18200 pw.println(); 18201 count = 0; 18202 for (PackageSetting ps : allPackageSettings) { 18203 final long status = ps.getDomainVerificationStatusForUser(userId); 18204 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18205 continue; 18206 } 18207 pw.println(prefix + "Package: " + ps.name); 18208 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18209 String statusStr = IntentFilterVerificationInfo. 18210 getStatusStringFromValue(status); 18211 pw.println(prefix + "Status: " + statusStr); 18212 pw.println(); 18213 count++; 18214 } 18215 if (count == 0) { 18216 pw.println(prefix + "No configured app linkages."); 18217 pw.println(); 18218 } 18219 } 18220 } 18221 } 18222 } 18223 18224 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18225 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18226 if (packageName == null && permissionNames == null) { 18227 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18228 if (iperm == 0) { 18229 if (dumpState.onTitlePrinted()) 18230 pw.println(); 18231 pw.println("AppOp Permissions:"); 18232 } 18233 pw.print(" AppOp Permission "); 18234 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18235 pw.println(":"); 18236 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18237 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18238 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18239 } 18240 } 18241 } 18242 } 18243 18244 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18245 boolean printedSomething = false; 18246 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18247 if (packageName != null && !packageName.equals(p.info.packageName)) { 18248 continue; 18249 } 18250 if (!printedSomething) { 18251 if (dumpState.onTitlePrinted()) 18252 pw.println(); 18253 pw.println("Registered ContentProviders:"); 18254 printedSomething = true; 18255 } 18256 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18257 pw.print(" "); pw.println(p.toString()); 18258 } 18259 printedSomething = false; 18260 for (Map.Entry<String, PackageParser.Provider> entry : 18261 mProvidersByAuthority.entrySet()) { 18262 PackageParser.Provider p = entry.getValue(); 18263 if (packageName != null && !packageName.equals(p.info.packageName)) { 18264 continue; 18265 } 18266 if (!printedSomething) { 18267 if (dumpState.onTitlePrinted()) 18268 pw.println(); 18269 pw.println("ContentProvider Authorities:"); 18270 printedSomething = true; 18271 } 18272 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18273 pw.print(" "); pw.println(p.toString()); 18274 if (p.info != null && p.info.applicationInfo != null) { 18275 final String appInfo = p.info.applicationInfo.toString(); 18276 pw.print(" applicationInfo="); pw.println(appInfo); 18277 } 18278 } 18279 } 18280 18281 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18282 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18283 } 18284 18285 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18286 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18287 } 18288 18289 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18290 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18291 } 18292 18293 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18294 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18295 } 18296 18297 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18298 // XXX should handle packageName != null by dumping only install data that 18299 // the given package is involved with. 18300 if (dumpState.onTitlePrinted()) pw.println(); 18301 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18302 } 18303 18304 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18305 // XXX should handle packageName != null by dumping only install data that 18306 // the given package is involved with. 18307 if (dumpState.onTitlePrinted()) pw.println(); 18308 18309 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18310 ipw.println(); 18311 ipw.println("Frozen packages:"); 18312 ipw.increaseIndent(); 18313 if (mFrozenPackages.size() == 0) { 18314 ipw.println("(none)"); 18315 } else { 18316 for (int i = 0; i < mFrozenPackages.size(); i++) { 18317 ipw.println(mFrozenPackages.valueAt(i)); 18318 } 18319 } 18320 ipw.decreaseIndent(); 18321 } 18322 18323 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18324 if (dumpState.onTitlePrinted()) pw.println(); 18325 mSettings.dumpReadMessagesLPr(pw, dumpState); 18326 18327 pw.println(); 18328 pw.println("Package warning messages:"); 18329 BufferedReader in = null; 18330 String line = null; 18331 try { 18332 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18333 while ((line = in.readLine()) != null) { 18334 if (line.contains("ignored: updated version")) continue; 18335 pw.println(line); 18336 } 18337 } catch (IOException ignored) { 18338 } finally { 18339 IoUtils.closeQuietly(in); 18340 } 18341 } 18342 18343 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18344 BufferedReader in = null; 18345 String line = null; 18346 try { 18347 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18348 while ((line = in.readLine()) != null) { 18349 if (line.contains("ignored: updated version")) continue; 18350 pw.print("msg,"); 18351 pw.println(line); 18352 } 18353 } catch (IOException ignored) { 18354 } finally { 18355 IoUtils.closeQuietly(in); 18356 } 18357 } 18358 } 18359 } 18360 18361 private String dumpDomainString(String packageName) { 18362 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18363 .getList(); 18364 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18365 18366 ArraySet<String> result = new ArraySet<>(); 18367 if (iviList.size() > 0) { 18368 for (IntentFilterVerificationInfo ivi : iviList) { 18369 for (String host : ivi.getDomains()) { 18370 result.add(host); 18371 } 18372 } 18373 } 18374 if (filters != null && filters.size() > 0) { 18375 for (IntentFilter filter : filters) { 18376 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18377 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18378 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18379 result.addAll(filter.getHostsList()); 18380 } 18381 } 18382 } 18383 18384 StringBuilder sb = new StringBuilder(result.size() * 16); 18385 for (String domain : result) { 18386 if (sb.length() > 0) sb.append(" "); 18387 sb.append(domain); 18388 } 18389 return sb.toString(); 18390 } 18391 18392 // ------- apps on sdcard specific code ------- 18393 static final boolean DEBUG_SD_INSTALL = false; 18394 18395 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18396 18397 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18398 18399 private boolean mMediaMounted = false; 18400 18401 static String getEncryptKey() { 18402 try { 18403 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18404 SD_ENCRYPTION_KEYSTORE_NAME); 18405 if (sdEncKey == null) { 18406 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18407 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18408 if (sdEncKey == null) { 18409 Slog.e(TAG, "Failed to create encryption keys"); 18410 return null; 18411 } 18412 } 18413 return sdEncKey; 18414 } catch (NoSuchAlgorithmException nsae) { 18415 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18416 return null; 18417 } catch (IOException ioe) { 18418 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18419 return null; 18420 } 18421 } 18422 18423 /* 18424 * Update media status on PackageManager. 18425 */ 18426 @Override 18427 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18428 int callingUid = Binder.getCallingUid(); 18429 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18430 throw new SecurityException("Media status can only be updated by the system"); 18431 } 18432 // reader; this apparently protects mMediaMounted, but should probably 18433 // be a different lock in that case. 18434 synchronized (mPackages) { 18435 Log.i(TAG, "Updating external media status from " 18436 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18437 + (mediaStatus ? "mounted" : "unmounted")); 18438 if (DEBUG_SD_INSTALL) 18439 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18440 + ", mMediaMounted=" + mMediaMounted); 18441 if (mediaStatus == mMediaMounted) { 18442 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18443 : 0, -1); 18444 mHandler.sendMessage(msg); 18445 return; 18446 } 18447 mMediaMounted = mediaStatus; 18448 } 18449 // Queue up an async operation since the package installation may take a 18450 // little while. 18451 mHandler.post(new Runnable() { 18452 public void run() { 18453 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18454 } 18455 }); 18456 } 18457 18458 /** 18459 * Called by MountService when the initial ASECs to scan are available. 18460 * Should block until all the ASEC containers are finished being scanned. 18461 */ 18462 public void scanAvailableAsecs() { 18463 updateExternalMediaStatusInner(true, false, false); 18464 } 18465 18466 /* 18467 * Collect information of applications on external media, map them against 18468 * existing containers and update information based on current mount status. 18469 * Please note that we always have to report status if reportStatus has been 18470 * set to true especially when unloading packages. 18471 */ 18472 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18473 boolean externalStorage) { 18474 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18475 int[] uidArr = EmptyArray.INT; 18476 18477 final String[] list = PackageHelper.getSecureContainerList(); 18478 if (ArrayUtils.isEmpty(list)) { 18479 Log.i(TAG, "No secure containers found"); 18480 } else { 18481 // Process list of secure containers and categorize them 18482 // as active or stale based on their package internal state. 18483 18484 // reader 18485 synchronized (mPackages) { 18486 for (String cid : list) { 18487 // Leave stages untouched for now; installer service owns them 18488 if (PackageInstallerService.isStageName(cid)) continue; 18489 18490 if (DEBUG_SD_INSTALL) 18491 Log.i(TAG, "Processing container " + cid); 18492 String pkgName = getAsecPackageName(cid); 18493 if (pkgName == null) { 18494 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18495 continue; 18496 } 18497 if (DEBUG_SD_INSTALL) 18498 Log.i(TAG, "Looking for pkg : " + pkgName); 18499 18500 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18501 if (ps == null) { 18502 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18503 continue; 18504 } 18505 18506 /* 18507 * Skip packages that are not external if we're unmounting 18508 * external storage. 18509 */ 18510 if (externalStorage && !isMounted && !isExternal(ps)) { 18511 continue; 18512 } 18513 18514 final AsecInstallArgs args = new AsecInstallArgs(cid, 18515 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18516 // The package status is changed only if the code path 18517 // matches between settings and the container id. 18518 if (ps.codePathString != null 18519 && ps.codePathString.startsWith(args.getCodePath())) { 18520 if (DEBUG_SD_INSTALL) { 18521 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18522 + " at code path: " + ps.codePathString); 18523 } 18524 18525 // We do have a valid package installed on sdcard 18526 processCids.put(args, ps.codePathString); 18527 final int uid = ps.appId; 18528 if (uid != -1) { 18529 uidArr = ArrayUtils.appendInt(uidArr, uid); 18530 } 18531 } else { 18532 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18533 + ps.codePathString); 18534 } 18535 } 18536 } 18537 18538 Arrays.sort(uidArr); 18539 } 18540 18541 // Process packages with valid entries. 18542 if (isMounted) { 18543 if (DEBUG_SD_INSTALL) 18544 Log.i(TAG, "Loading packages"); 18545 loadMediaPackages(processCids, uidArr, externalStorage); 18546 startCleaningPackages(); 18547 mInstallerService.onSecureContainersAvailable(); 18548 } else { 18549 if (DEBUG_SD_INSTALL) 18550 Log.i(TAG, "Unloading packages"); 18551 unloadMediaPackages(processCids, uidArr, reportStatus); 18552 } 18553 } 18554 18555 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18556 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18557 final int size = infos.size(); 18558 final String[] packageNames = new String[size]; 18559 final int[] packageUids = new int[size]; 18560 for (int i = 0; i < size; i++) { 18561 final ApplicationInfo info = infos.get(i); 18562 packageNames[i] = info.packageName; 18563 packageUids[i] = info.uid; 18564 } 18565 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18566 finishedReceiver); 18567 } 18568 18569 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18570 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18571 sendResourcesChangedBroadcast(mediaStatus, replacing, 18572 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18573 } 18574 18575 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18576 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18577 int size = pkgList.length; 18578 if (size > 0) { 18579 // Send broadcasts here 18580 Bundle extras = new Bundle(); 18581 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18582 if (uidArr != null) { 18583 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18584 } 18585 if (replacing) { 18586 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18587 } 18588 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18589 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18590 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18591 } 18592 } 18593 18594 /* 18595 * Look at potentially valid container ids from processCids If package 18596 * information doesn't match the one on record or package scanning fails, 18597 * the cid is added to list of removeCids. We currently don't delete stale 18598 * containers. 18599 */ 18600 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18601 boolean externalStorage) { 18602 ArrayList<String> pkgList = new ArrayList<String>(); 18603 Set<AsecInstallArgs> keys = processCids.keySet(); 18604 18605 for (AsecInstallArgs args : keys) { 18606 String codePath = processCids.get(args); 18607 if (DEBUG_SD_INSTALL) 18608 Log.i(TAG, "Loading container : " + args.cid); 18609 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18610 try { 18611 // Make sure there are no container errors first. 18612 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18613 Slog.e(TAG, "Failed to mount cid : " + args.cid 18614 + " when installing from sdcard"); 18615 continue; 18616 } 18617 // Check code path here. 18618 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18619 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18620 + " does not match one in settings " + codePath); 18621 continue; 18622 } 18623 // Parse package 18624 int parseFlags = mDefParseFlags; 18625 if (args.isExternalAsec()) { 18626 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18627 } 18628 if (args.isFwdLocked()) { 18629 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18630 } 18631 18632 synchronized (mInstallLock) { 18633 PackageParser.Package pkg = null; 18634 try { 18635 // Sadly we don't know the package name yet to freeze it 18636 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18637 SCAN_IGNORE_FROZEN, 0, null); 18638 } catch (PackageManagerException e) { 18639 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18640 } 18641 // Scan the package 18642 if (pkg != null) { 18643 /* 18644 * TODO why is the lock being held? doPostInstall is 18645 * called in other places without the lock. This needs 18646 * to be straightened out. 18647 */ 18648 // writer 18649 synchronized (mPackages) { 18650 retCode = PackageManager.INSTALL_SUCCEEDED; 18651 pkgList.add(pkg.packageName); 18652 // Post process args 18653 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18654 pkg.applicationInfo.uid); 18655 } 18656 } else { 18657 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18658 } 18659 } 18660 18661 } finally { 18662 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18663 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18664 } 18665 } 18666 } 18667 // writer 18668 synchronized (mPackages) { 18669 // If the platform SDK has changed since the last time we booted, 18670 // we need to re-grant app permission to catch any new ones that 18671 // appear. This is really a hack, and means that apps can in some 18672 // cases get permissions that the user didn't initially explicitly 18673 // allow... it would be nice to have some better way to handle 18674 // this situation. 18675 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18676 : mSettings.getInternalVersion(); 18677 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18678 : StorageManager.UUID_PRIVATE_INTERNAL; 18679 18680 int updateFlags = UPDATE_PERMISSIONS_ALL; 18681 if (ver.sdkVersion != mSdkVersion) { 18682 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18683 + mSdkVersion + "; regranting permissions for external"); 18684 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18685 } 18686 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18687 18688 // Yay, everything is now upgraded 18689 ver.forceCurrent(); 18690 18691 // can downgrade to reader 18692 // Persist settings 18693 mSettings.writeLPr(); 18694 } 18695 // Send a broadcast to let everyone know we are done processing 18696 if (pkgList.size() > 0) { 18697 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18698 } 18699 } 18700 18701 /* 18702 * Utility method to unload a list of specified containers 18703 */ 18704 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18705 // Just unmount all valid containers. 18706 for (AsecInstallArgs arg : cidArgs) { 18707 synchronized (mInstallLock) { 18708 arg.doPostDeleteLI(false); 18709 } 18710 } 18711 } 18712 18713 /* 18714 * Unload packages mounted on external media. This involves deleting package 18715 * data from internal structures, sending broadcasts about disabled packages, 18716 * gc'ing to free up references, unmounting all secure containers 18717 * corresponding to packages on external media, and posting a 18718 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18719 * that we always have to post this message if status has been requested no 18720 * matter what. 18721 */ 18722 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18723 final boolean reportStatus) { 18724 if (DEBUG_SD_INSTALL) 18725 Log.i(TAG, "unloading media packages"); 18726 ArrayList<String> pkgList = new ArrayList<String>(); 18727 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18728 final Set<AsecInstallArgs> keys = processCids.keySet(); 18729 for (AsecInstallArgs args : keys) { 18730 String pkgName = args.getPackageName(); 18731 if (DEBUG_SD_INSTALL) 18732 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18733 // Delete package internally 18734 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18735 synchronized (mInstallLock) { 18736 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18737 final boolean res; 18738 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18739 "unloadMediaPackages")) { 18740 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18741 null); 18742 } 18743 if (res) { 18744 pkgList.add(pkgName); 18745 } else { 18746 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18747 failedList.add(args); 18748 } 18749 } 18750 } 18751 18752 // reader 18753 synchronized (mPackages) { 18754 // We didn't update the settings after removing each package; 18755 // write them now for all packages. 18756 mSettings.writeLPr(); 18757 } 18758 18759 // We have to absolutely send UPDATED_MEDIA_STATUS only 18760 // after confirming that all the receivers processed the ordered 18761 // broadcast when packages get disabled, force a gc to clean things up. 18762 // and unload all the containers. 18763 if (pkgList.size() > 0) { 18764 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18765 new IIntentReceiver.Stub() { 18766 public void performReceive(Intent intent, int resultCode, String data, 18767 Bundle extras, boolean ordered, boolean sticky, 18768 int sendingUser) throws RemoteException { 18769 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18770 reportStatus ? 1 : 0, 1, keys); 18771 mHandler.sendMessage(msg); 18772 } 18773 }); 18774 } else { 18775 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18776 keys); 18777 mHandler.sendMessage(msg); 18778 } 18779 } 18780 18781 private void loadPrivatePackages(final VolumeInfo vol) { 18782 mHandler.post(new Runnable() { 18783 @Override 18784 public void run() { 18785 loadPrivatePackagesInner(vol); 18786 } 18787 }); 18788 } 18789 18790 private void loadPrivatePackagesInner(VolumeInfo vol) { 18791 final String volumeUuid = vol.fsUuid; 18792 if (TextUtils.isEmpty(volumeUuid)) { 18793 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18794 return; 18795 } 18796 18797 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18798 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18799 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18800 18801 final VersionInfo ver; 18802 final List<PackageSetting> packages; 18803 synchronized (mPackages) { 18804 ver = mSettings.findOrCreateVersion(volumeUuid); 18805 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18806 } 18807 18808 for (PackageSetting ps : packages) { 18809 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18810 synchronized (mInstallLock) { 18811 final PackageParser.Package pkg; 18812 try { 18813 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18814 loaded.add(pkg.applicationInfo); 18815 18816 } catch (PackageManagerException e) { 18817 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18818 } 18819 18820 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18821 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18822 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18823 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18824 } 18825 } 18826 } 18827 18828 // Reconcile app data for all started/unlocked users 18829 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18830 final UserManager um = mContext.getSystemService(UserManager.class); 18831 for (UserInfo user : um.getUsers()) { 18832 final int flags; 18833 if (um.isUserUnlockingOrUnlocked(user.id)) { 18834 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18835 } else if (um.isUserRunning(user.id)) { 18836 flags = StorageManager.FLAG_STORAGE_DE; 18837 } else { 18838 continue; 18839 } 18840 18841 try { 18842 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18843 synchronized (mInstallLock) { 18844 reconcileAppsDataLI(volumeUuid, user.id, flags); 18845 } 18846 } catch (IllegalStateException e) { 18847 // Device was probably ejected, and we'll process that event momentarily 18848 Slog.w(TAG, "Failed to prepare storage: " + e); 18849 } 18850 } 18851 18852 synchronized (mPackages) { 18853 int updateFlags = UPDATE_PERMISSIONS_ALL; 18854 if (ver.sdkVersion != mSdkVersion) { 18855 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18856 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18857 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18858 } 18859 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18860 18861 // Yay, everything is now upgraded 18862 ver.forceCurrent(); 18863 18864 mSettings.writeLPr(); 18865 } 18866 18867 for (PackageFreezer freezer : freezers) { 18868 freezer.close(); 18869 } 18870 18871 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18872 sendResourcesChangedBroadcast(true, false, loaded, null); 18873 } 18874 18875 private void unloadPrivatePackages(final VolumeInfo vol) { 18876 mHandler.post(new Runnable() { 18877 @Override 18878 public void run() { 18879 unloadPrivatePackagesInner(vol); 18880 } 18881 }); 18882 } 18883 18884 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18885 final String volumeUuid = vol.fsUuid; 18886 if (TextUtils.isEmpty(volumeUuid)) { 18887 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18888 return; 18889 } 18890 18891 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18892 synchronized (mInstallLock) { 18893 synchronized (mPackages) { 18894 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18895 for (PackageSetting ps : packages) { 18896 if (ps.pkg == null) continue; 18897 18898 final ApplicationInfo info = ps.pkg.applicationInfo; 18899 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18900 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18901 18902 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18903 "unloadPrivatePackagesInner")) { 18904 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18905 false, null)) { 18906 unloaded.add(info); 18907 } else { 18908 Slog.w(TAG, "Failed to unload " + ps.codePath); 18909 } 18910 } 18911 } 18912 18913 mSettings.writeLPr(); 18914 } 18915 } 18916 18917 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18918 sendResourcesChangedBroadcast(false, false, unloaded, null); 18919 } 18920 18921 /** 18922 * Prepare storage areas for given user on all mounted devices. 18923 */ 18924 void prepareUserData(int userId, int userSerial, int flags) { 18925 synchronized (mInstallLock) { 18926 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18927 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18928 final String volumeUuid = vol.getFsUuid(); 18929 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 18930 } 18931 } 18932 } 18933 18934 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 18935 boolean allowRecover) { 18936 // Prepare storage and verify that serial numbers are consistent; if 18937 // there's a mismatch we need to destroy to avoid leaking data 18938 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18939 try { 18940 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 18941 18942 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 18943 UserManagerService.enforceSerialNumber( 18944 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 18945 } 18946 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 18947 UserManagerService.enforceSerialNumber( 18948 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 18949 } 18950 18951 synchronized (mInstallLock) { 18952 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 18953 } 18954 } catch (Exception e) { 18955 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 18956 + " because we failed to prepare: " + e); 18957 destroyUserDataLI(volumeUuid, userId, 18958 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18959 18960 if (allowRecover) { 18961 // Try one last time; if we fail again we're really in trouble 18962 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 18963 } 18964 } 18965 } 18966 18967 /** 18968 * Destroy storage areas for given user on all mounted devices. 18969 */ 18970 void destroyUserData(int userId, int flags) { 18971 synchronized (mInstallLock) { 18972 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18973 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18974 final String volumeUuid = vol.getFsUuid(); 18975 destroyUserDataLI(volumeUuid, userId, flags); 18976 } 18977 } 18978 } 18979 18980 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 18981 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18982 try { 18983 // Clean up app data, profile data, and media data 18984 mInstaller.destroyUserData(volumeUuid, userId, flags); 18985 18986 // Clean up system data 18987 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 18988 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18989 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 18990 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 18991 } 18992 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18993 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 18994 } 18995 } 18996 18997 // Data with special labels is now gone, so finish the job 18998 storage.destroyUserStorage(volumeUuid, userId, flags); 18999 19000 } catch (Exception e) { 19001 logCriticalInfo(Log.WARN, 19002 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19003 } 19004 } 19005 19006 /** 19007 * Examine all users present on given mounted volume, and destroy data 19008 * belonging to users that are no longer valid, or whose user ID has been 19009 * recycled. 19010 */ 19011 private void reconcileUsers(String volumeUuid) { 19012 final List<File> files = new ArrayList<>(); 19013 Collections.addAll(files, FileUtils 19014 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19015 Collections.addAll(files, FileUtils 19016 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19017 for (File file : files) { 19018 if (!file.isDirectory()) continue; 19019 19020 final int userId; 19021 final UserInfo info; 19022 try { 19023 userId = Integer.parseInt(file.getName()); 19024 info = sUserManager.getUserInfo(userId); 19025 } catch (NumberFormatException e) { 19026 Slog.w(TAG, "Invalid user directory " + file); 19027 continue; 19028 } 19029 19030 boolean destroyUser = false; 19031 if (info == null) { 19032 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19033 + " because no matching user was found"); 19034 destroyUser = true; 19035 } else if (!mOnlyCore) { 19036 try { 19037 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19038 } catch (IOException e) { 19039 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19040 + " because we failed to enforce serial number: " + e); 19041 destroyUser = true; 19042 } 19043 } 19044 19045 if (destroyUser) { 19046 synchronized (mInstallLock) { 19047 destroyUserDataLI(volumeUuid, userId, 19048 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19049 } 19050 } 19051 } 19052 } 19053 19054 private void assertPackageKnown(String volumeUuid, String packageName) 19055 throws PackageManagerException { 19056 synchronized (mPackages) { 19057 final PackageSetting ps = mSettings.mPackages.get(packageName); 19058 if (ps == null) { 19059 throw new PackageManagerException("Package " + packageName + " is unknown"); 19060 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19061 throw new PackageManagerException( 19062 "Package " + packageName + " found on unknown volume " + volumeUuid 19063 + "; expected volume " + ps.volumeUuid); 19064 } 19065 } 19066 } 19067 19068 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19069 throws PackageManagerException { 19070 synchronized (mPackages) { 19071 final PackageSetting ps = mSettings.mPackages.get(packageName); 19072 if (ps == null) { 19073 throw new PackageManagerException("Package " + packageName + " is unknown"); 19074 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19075 throw new PackageManagerException( 19076 "Package " + packageName + " found on unknown volume " + volumeUuid 19077 + "; expected volume " + ps.volumeUuid); 19078 } else if (!ps.getInstalled(userId)) { 19079 throw new PackageManagerException( 19080 "Package " + packageName + " not installed for user " + userId); 19081 } 19082 } 19083 } 19084 19085 /** 19086 * Examine all apps present on given mounted volume, and destroy apps that 19087 * aren't expected, either due to uninstallation or reinstallation on 19088 * another volume. 19089 */ 19090 private void reconcileApps(String volumeUuid) { 19091 final File[] files = FileUtils 19092 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19093 for (File file : files) { 19094 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19095 && !PackageInstallerService.isStageName(file.getName()); 19096 if (!isPackage) { 19097 // Ignore entries which are not packages 19098 continue; 19099 } 19100 19101 try { 19102 final PackageLite pkg = PackageParser.parsePackageLite(file, 19103 PackageParser.PARSE_MUST_BE_APK); 19104 assertPackageKnown(volumeUuid, pkg.packageName); 19105 19106 } catch (PackageParserException | PackageManagerException e) { 19107 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19108 synchronized (mInstallLock) { 19109 removeCodePathLI(file); 19110 } 19111 } 19112 } 19113 } 19114 19115 /** 19116 * Reconcile all app data for the given user. 19117 * <p> 19118 * Verifies that directories exist and that ownership and labeling is 19119 * correct for all installed apps on all mounted volumes. 19120 */ 19121 void reconcileAppsData(int userId, int flags) { 19122 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19123 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19124 final String volumeUuid = vol.getFsUuid(); 19125 synchronized (mInstallLock) { 19126 reconcileAppsDataLI(volumeUuid, userId, flags); 19127 } 19128 } 19129 } 19130 19131 /** 19132 * Reconcile all app data on given mounted volume. 19133 * <p> 19134 * Destroys app data that isn't expected, either due to uninstallation or 19135 * reinstallation on another volume. 19136 * <p> 19137 * Verifies that directories exist and that ownership and labeling is 19138 * correct for all installed apps. 19139 */ 19140 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19141 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19142 + Integer.toHexString(flags)); 19143 19144 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19145 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19146 19147 boolean restoreconNeeded = false; 19148 19149 // First look for stale data that doesn't belong, and check if things 19150 // have changed since we did our last restorecon 19151 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19152 if (StorageManager.isFileEncryptedNativeOrEmulated() 19153 && !StorageManager.isUserKeyUnlocked(userId)) { 19154 throw new RuntimeException( 19155 "Yikes, someone asked us to reconcile CE storage while " + userId 19156 + " was still locked; this would have caused massive data loss!"); 19157 } 19158 19159 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19160 19161 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19162 for (File file : files) { 19163 final String packageName = file.getName(); 19164 try { 19165 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19166 } catch (PackageManagerException e) { 19167 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19168 try { 19169 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19170 StorageManager.FLAG_STORAGE_CE, 0); 19171 } catch (InstallerException e2) { 19172 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19173 } 19174 } 19175 } 19176 } 19177 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19178 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19179 19180 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19181 for (File file : files) { 19182 final String packageName = file.getName(); 19183 try { 19184 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19185 } catch (PackageManagerException e) { 19186 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19187 try { 19188 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19189 StorageManager.FLAG_STORAGE_DE, 0); 19190 } catch (InstallerException e2) { 19191 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19192 } 19193 } 19194 } 19195 } 19196 19197 // Ensure that data directories are ready to roll for all packages 19198 // installed for this volume and user 19199 final List<PackageSetting> packages; 19200 synchronized (mPackages) { 19201 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19202 } 19203 int preparedCount = 0; 19204 for (PackageSetting ps : packages) { 19205 final String packageName = ps.name; 19206 if (ps.pkg == null) { 19207 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19208 // TODO: might be due to legacy ASEC apps; we should circle back 19209 // and reconcile again once they're scanned 19210 continue; 19211 } 19212 19213 if (ps.getInstalled(userId)) { 19214 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19215 19216 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19217 // We may have just shuffled around app data directories, so 19218 // prepare them one more time 19219 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19220 } 19221 19222 preparedCount++; 19223 } 19224 } 19225 19226 if (restoreconNeeded) { 19227 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19228 SELinuxMMAC.setRestoreconDone(ceDir); 19229 } 19230 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19231 SELinuxMMAC.setRestoreconDone(deDir); 19232 } 19233 } 19234 19235 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19236 + " packages; restoreconNeeded was " + restoreconNeeded); 19237 } 19238 19239 /** 19240 * Prepare app data for the given app just after it was installed or 19241 * upgraded. This method carefully only touches users that it's installed 19242 * for, and it forces a restorecon to handle any seinfo changes. 19243 * <p> 19244 * Verifies that directories exist and that ownership and labeling is 19245 * correct for all installed apps. If there is an ownership mismatch, it 19246 * will try recovering system apps by wiping data; third-party app data is 19247 * left intact. 19248 * <p> 19249 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19250 */ 19251 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19252 final PackageSetting ps; 19253 synchronized (mPackages) { 19254 ps = mSettings.mPackages.get(pkg.packageName); 19255 mSettings.writeKernelMappingLPr(ps); 19256 } 19257 19258 final UserManager um = mContext.getSystemService(UserManager.class); 19259 for (UserInfo user : um.getUsers()) { 19260 final int flags; 19261 if (um.isUserUnlockingOrUnlocked(user.id)) { 19262 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19263 } else if (um.isUserRunning(user.id)) { 19264 flags = StorageManager.FLAG_STORAGE_DE; 19265 } else { 19266 continue; 19267 } 19268 19269 if (ps.getInstalled(user.id)) { 19270 // Whenever an app changes, force a restorecon of its data 19271 // TODO: when user data is locked, mark that we're still dirty 19272 prepareAppDataLIF(pkg, user.id, flags, true); 19273 } 19274 } 19275 } 19276 19277 /** 19278 * Prepare app data for the given app. 19279 * <p> 19280 * Verifies that directories exist and that ownership and labeling is 19281 * correct for all installed apps. If there is an ownership mismatch, this 19282 * will try recovering system apps by wiping data; third-party app data is 19283 * left intact. 19284 */ 19285 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19286 boolean restoreconNeeded) { 19287 if (pkg == null) { 19288 Slog.wtf(TAG, "Package was null!", new Throwable()); 19289 return; 19290 } 19291 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19292 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19293 for (int i = 0; i < childCount; i++) { 19294 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19295 } 19296 } 19297 19298 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19299 boolean restoreconNeeded) { 19300 if (DEBUG_APP_DATA) { 19301 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19302 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19303 } 19304 19305 final String volumeUuid = pkg.volumeUuid; 19306 final String packageName = pkg.packageName; 19307 final ApplicationInfo app = pkg.applicationInfo; 19308 final int appId = UserHandle.getAppId(app.uid); 19309 19310 Preconditions.checkNotNull(app.seinfo); 19311 19312 try { 19313 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19314 appId, app.seinfo, app.targetSdkVersion); 19315 } catch (InstallerException e) { 19316 if (app.isSystemApp()) { 19317 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19318 + ", but trying to recover: " + e); 19319 destroyAppDataLeafLIF(pkg, userId, flags); 19320 try { 19321 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19322 appId, app.seinfo, app.targetSdkVersion); 19323 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19324 } catch (InstallerException e2) { 19325 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19326 } 19327 } else { 19328 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19329 } 19330 } 19331 19332 if (restoreconNeeded) { 19333 try { 19334 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19335 app.seinfo); 19336 } catch (InstallerException e) { 19337 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19338 } 19339 } 19340 19341 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19342 try { 19343 // CE storage is unlocked right now, so read out the inode and 19344 // remember for use later when it's locked 19345 // TODO: mark this structure as dirty so we persist it! 19346 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19347 StorageManager.FLAG_STORAGE_CE); 19348 synchronized (mPackages) { 19349 final PackageSetting ps = mSettings.mPackages.get(packageName); 19350 if (ps != null) { 19351 ps.setCeDataInode(ceDataInode, userId); 19352 } 19353 } 19354 } catch (InstallerException e) { 19355 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19356 } 19357 } 19358 19359 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19360 } 19361 19362 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19363 if (pkg == null) { 19364 Slog.wtf(TAG, "Package was null!", new Throwable()); 19365 return; 19366 } 19367 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19368 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19369 for (int i = 0; i < childCount; i++) { 19370 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19371 } 19372 } 19373 19374 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19375 final String volumeUuid = pkg.volumeUuid; 19376 final String packageName = pkg.packageName; 19377 final ApplicationInfo app = pkg.applicationInfo; 19378 19379 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19380 // Create a native library symlink only if we have native libraries 19381 // and if the native libraries are 32 bit libraries. We do not provide 19382 // this symlink for 64 bit libraries. 19383 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19384 final String nativeLibPath = app.nativeLibraryDir; 19385 try { 19386 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19387 nativeLibPath, userId); 19388 } catch (InstallerException e) { 19389 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19390 } 19391 } 19392 } 19393 } 19394 19395 /** 19396 * For system apps on non-FBE devices, this method migrates any existing 19397 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19398 * requested by the app. 19399 */ 19400 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19401 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19402 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19403 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19404 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19405 try { 19406 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19407 storageTarget); 19408 } catch (InstallerException e) { 19409 logCriticalInfo(Log.WARN, 19410 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19411 } 19412 return true; 19413 } else { 19414 return false; 19415 } 19416 } 19417 19418 public PackageFreezer freezePackage(String packageName, String killReason) { 19419 return new PackageFreezer(packageName, killReason); 19420 } 19421 19422 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19423 String killReason) { 19424 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19425 return new PackageFreezer(); 19426 } else { 19427 return freezePackage(packageName, killReason); 19428 } 19429 } 19430 19431 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19432 String killReason) { 19433 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19434 return new PackageFreezer(); 19435 } else { 19436 return freezePackage(packageName, killReason); 19437 } 19438 } 19439 19440 /** 19441 * Class that freezes and kills the given package upon creation, and 19442 * unfreezes it upon closing. This is typically used when doing surgery on 19443 * app code/data to prevent the app from running while you're working. 19444 */ 19445 private class PackageFreezer implements AutoCloseable { 19446 private final String mPackageName; 19447 private final PackageFreezer[] mChildren; 19448 19449 private final boolean mWeFroze; 19450 19451 private final AtomicBoolean mClosed = new AtomicBoolean(); 19452 private final CloseGuard mCloseGuard = CloseGuard.get(); 19453 19454 /** 19455 * Create and return a stub freezer that doesn't actually do anything, 19456 * typically used when someone requested 19457 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19458 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19459 */ 19460 public PackageFreezer() { 19461 mPackageName = null; 19462 mChildren = null; 19463 mWeFroze = false; 19464 mCloseGuard.open("close"); 19465 } 19466 19467 public PackageFreezer(String packageName, String killReason) { 19468 synchronized (mPackages) { 19469 mPackageName = packageName; 19470 mWeFroze = mFrozenPackages.add(mPackageName); 19471 19472 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19473 if (ps != null) { 19474 killApplication(ps.name, ps.appId, killReason); 19475 } 19476 19477 final PackageParser.Package p = mPackages.get(packageName); 19478 if (p != null && p.childPackages != null) { 19479 final int N = p.childPackages.size(); 19480 mChildren = new PackageFreezer[N]; 19481 for (int i = 0; i < N; i++) { 19482 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19483 killReason); 19484 } 19485 } else { 19486 mChildren = null; 19487 } 19488 } 19489 mCloseGuard.open("close"); 19490 } 19491 19492 @Override 19493 protected void finalize() throws Throwable { 19494 try { 19495 mCloseGuard.warnIfOpen(); 19496 close(); 19497 } finally { 19498 super.finalize(); 19499 } 19500 } 19501 19502 @Override 19503 public void close() { 19504 mCloseGuard.close(); 19505 if (mClosed.compareAndSet(false, true)) { 19506 synchronized (mPackages) { 19507 if (mWeFroze) { 19508 mFrozenPackages.remove(mPackageName); 19509 } 19510 19511 if (mChildren != null) { 19512 for (PackageFreezer freezer : mChildren) { 19513 freezer.close(); 19514 } 19515 } 19516 } 19517 } 19518 } 19519 } 19520 19521 /** 19522 * Verify that given package is currently frozen. 19523 */ 19524 private void checkPackageFrozen(String packageName) { 19525 synchronized (mPackages) { 19526 if (!mFrozenPackages.contains(packageName)) { 19527 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19528 } 19529 } 19530 } 19531 19532 @Override 19533 public int movePackage(final String packageName, final String volumeUuid) { 19534 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19535 19536 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19537 final int moveId = mNextMoveId.getAndIncrement(); 19538 mHandler.post(new Runnable() { 19539 @Override 19540 public void run() { 19541 try { 19542 movePackageInternal(packageName, volumeUuid, moveId, user); 19543 } catch (PackageManagerException e) { 19544 Slog.w(TAG, "Failed to move " + packageName, e); 19545 mMoveCallbacks.notifyStatusChanged(moveId, 19546 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19547 } 19548 } 19549 }); 19550 return moveId; 19551 } 19552 19553 private void movePackageInternal(final String packageName, final String volumeUuid, 19554 final int moveId, UserHandle user) throws PackageManagerException { 19555 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19556 final PackageManager pm = mContext.getPackageManager(); 19557 19558 final boolean currentAsec; 19559 final String currentVolumeUuid; 19560 final File codeFile; 19561 final String installerPackageName; 19562 final String packageAbiOverride; 19563 final int appId; 19564 final String seinfo; 19565 final String label; 19566 final int targetSdkVersion; 19567 final PackageFreezer freezer; 19568 19569 // reader 19570 synchronized (mPackages) { 19571 final PackageParser.Package pkg = mPackages.get(packageName); 19572 final PackageSetting ps = mSettings.mPackages.get(packageName); 19573 if (pkg == null || ps == null) { 19574 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19575 } 19576 19577 if (pkg.applicationInfo.isSystemApp()) { 19578 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19579 "Cannot move system application"); 19580 } 19581 19582 if (pkg.applicationInfo.isExternalAsec()) { 19583 currentAsec = true; 19584 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19585 } else if (pkg.applicationInfo.isForwardLocked()) { 19586 currentAsec = true; 19587 currentVolumeUuid = "forward_locked"; 19588 } else { 19589 currentAsec = false; 19590 currentVolumeUuid = ps.volumeUuid; 19591 19592 final File probe = new File(pkg.codePath); 19593 final File probeOat = new File(probe, "oat"); 19594 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19595 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19596 "Move only supported for modern cluster style installs"); 19597 } 19598 } 19599 19600 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19601 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19602 "Package already moved to " + volumeUuid); 19603 } 19604 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19605 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19606 "Device admin cannot be moved"); 19607 } 19608 19609 if (mFrozenPackages.contains(packageName)) { 19610 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19611 "Failed to move already frozen package"); 19612 } 19613 19614 codeFile = new File(pkg.codePath); 19615 installerPackageName = ps.installerPackageName; 19616 packageAbiOverride = ps.cpuAbiOverrideString; 19617 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19618 seinfo = pkg.applicationInfo.seinfo; 19619 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19620 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19621 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19622 } 19623 19624 final Bundle extras = new Bundle(); 19625 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19626 extras.putString(Intent.EXTRA_TITLE, label); 19627 mMoveCallbacks.notifyCreated(moveId, extras); 19628 19629 int installFlags; 19630 final boolean moveCompleteApp; 19631 final File measurePath; 19632 19633 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19634 installFlags = INSTALL_INTERNAL; 19635 moveCompleteApp = !currentAsec; 19636 measurePath = Environment.getDataAppDirectory(volumeUuid); 19637 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19638 installFlags = INSTALL_EXTERNAL; 19639 moveCompleteApp = false; 19640 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19641 } else { 19642 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19643 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19644 || !volume.isMountedWritable()) { 19645 freezer.close(); 19646 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19647 "Move location not mounted private volume"); 19648 } 19649 19650 Preconditions.checkState(!currentAsec); 19651 19652 installFlags = INSTALL_INTERNAL; 19653 moveCompleteApp = true; 19654 measurePath = Environment.getDataAppDirectory(volumeUuid); 19655 } 19656 19657 final PackageStats stats = new PackageStats(null, -1); 19658 synchronized (mInstaller) { 19659 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19660 freezer.close(); 19661 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19662 "Failed to measure package size"); 19663 } 19664 } 19665 19666 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19667 + stats.dataSize); 19668 19669 final long startFreeBytes = measurePath.getFreeSpace(); 19670 final long sizeBytes; 19671 if (moveCompleteApp) { 19672 sizeBytes = stats.codeSize + stats.dataSize; 19673 } else { 19674 sizeBytes = stats.codeSize; 19675 } 19676 19677 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19678 freezer.close(); 19679 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19680 "Not enough free space to move"); 19681 } 19682 19683 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19684 19685 final CountDownLatch installedLatch = new CountDownLatch(1); 19686 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19687 @Override 19688 public void onUserActionRequired(Intent intent) throws RemoteException { 19689 throw new IllegalStateException(); 19690 } 19691 19692 @Override 19693 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19694 Bundle extras) throws RemoteException { 19695 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19696 + PackageManager.installStatusToString(returnCode, msg)); 19697 19698 installedLatch.countDown(); 19699 freezer.close(); 19700 19701 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19702 switch (status) { 19703 case PackageInstaller.STATUS_SUCCESS: 19704 mMoveCallbacks.notifyStatusChanged(moveId, 19705 PackageManager.MOVE_SUCCEEDED); 19706 break; 19707 case PackageInstaller.STATUS_FAILURE_STORAGE: 19708 mMoveCallbacks.notifyStatusChanged(moveId, 19709 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19710 break; 19711 default: 19712 mMoveCallbacks.notifyStatusChanged(moveId, 19713 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19714 break; 19715 } 19716 } 19717 }; 19718 19719 final MoveInfo move; 19720 if (moveCompleteApp) { 19721 // Kick off a thread to report progress estimates 19722 new Thread() { 19723 @Override 19724 public void run() { 19725 while (true) { 19726 try { 19727 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19728 break; 19729 } 19730 } catch (InterruptedException ignored) { 19731 } 19732 19733 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19734 final int progress = 10 + (int) MathUtils.constrain( 19735 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19736 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19737 } 19738 } 19739 }.start(); 19740 19741 final String dataAppName = codeFile.getName(); 19742 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19743 dataAppName, appId, seinfo, targetSdkVersion); 19744 } else { 19745 move = null; 19746 } 19747 19748 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19749 19750 final Message msg = mHandler.obtainMessage(INIT_COPY); 19751 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19752 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19753 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19754 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19755 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19756 msg.obj = params; 19757 19758 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19759 System.identityHashCode(msg.obj)); 19760 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19761 System.identityHashCode(msg.obj)); 19762 19763 mHandler.sendMessage(msg); 19764 } 19765 19766 @Override 19767 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19768 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19769 19770 final int realMoveId = mNextMoveId.getAndIncrement(); 19771 final Bundle extras = new Bundle(); 19772 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19773 mMoveCallbacks.notifyCreated(realMoveId, extras); 19774 19775 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19776 @Override 19777 public void onCreated(int moveId, Bundle extras) { 19778 // Ignored 19779 } 19780 19781 @Override 19782 public void onStatusChanged(int moveId, int status, long estMillis) { 19783 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19784 } 19785 }; 19786 19787 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19788 storage.setPrimaryStorageUuid(volumeUuid, callback); 19789 return realMoveId; 19790 } 19791 19792 @Override 19793 public int getMoveStatus(int moveId) { 19794 mContext.enforceCallingOrSelfPermission( 19795 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19796 return mMoveCallbacks.mLastStatus.get(moveId); 19797 } 19798 19799 @Override 19800 public void registerMoveCallback(IPackageMoveObserver callback) { 19801 mContext.enforceCallingOrSelfPermission( 19802 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19803 mMoveCallbacks.register(callback); 19804 } 19805 19806 @Override 19807 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19808 mContext.enforceCallingOrSelfPermission( 19809 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19810 mMoveCallbacks.unregister(callback); 19811 } 19812 19813 @Override 19814 public boolean setInstallLocation(int loc) { 19815 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19816 null); 19817 if (getInstallLocation() == loc) { 19818 return true; 19819 } 19820 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19821 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19822 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19823 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19824 return true; 19825 } 19826 return false; 19827 } 19828 19829 @Override 19830 public int getInstallLocation() { 19831 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19832 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19833 PackageHelper.APP_INSTALL_AUTO); 19834 } 19835 19836 /** Called by UserManagerService */ 19837 void cleanUpUser(UserManagerService userManager, int userHandle) { 19838 synchronized (mPackages) { 19839 mDirtyUsers.remove(userHandle); 19840 mUserNeedsBadging.delete(userHandle); 19841 mSettings.removeUserLPw(userHandle); 19842 mPendingBroadcasts.remove(userHandle); 19843 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19844 removeUnusedPackagesLPw(userManager, userHandle); 19845 } 19846 } 19847 19848 /** 19849 * We're removing userHandle and would like to remove any downloaded packages 19850 * that are no longer in use by any other user. 19851 * @param userHandle the user being removed 19852 */ 19853 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19854 final boolean DEBUG_CLEAN_APKS = false; 19855 int [] users = userManager.getUserIds(); 19856 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19857 while (psit.hasNext()) { 19858 PackageSetting ps = psit.next(); 19859 if (ps.pkg == null) { 19860 continue; 19861 } 19862 final String packageName = ps.pkg.packageName; 19863 // Skip over if system app 19864 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19865 continue; 19866 } 19867 if (DEBUG_CLEAN_APKS) { 19868 Slog.i(TAG, "Checking package " + packageName); 19869 } 19870 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19871 if (keep) { 19872 if (DEBUG_CLEAN_APKS) { 19873 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19874 } 19875 } else { 19876 for (int i = 0; i < users.length; i++) { 19877 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19878 keep = true; 19879 if (DEBUG_CLEAN_APKS) { 19880 Slog.i(TAG, " Keeping package " + packageName + " for user " 19881 + users[i]); 19882 } 19883 break; 19884 } 19885 } 19886 } 19887 if (!keep) { 19888 if (DEBUG_CLEAN_APKS) { 19889 Slog.i(TAG, " Removing package " + packageName); 19890 } 19891 mHandler.post(new Runnable() { 19892 public void run() { 19893 deletePackageX(packageName, userHandle, 0); 19894 } //end run 19895 }); 19896 } 19897 } 19898 } 19899 19900 /** Called by UserManagerService */ 19901 void createNewUser(int userHandle) { 19902 synchronized (mInstallLock) { 19903 mSettings.createNewUserLI(this, mInstaller, userHandle); 19904 } 19905 synchronized (mPackages) { 19906 applyFactoryDefaultBrowserLPw(userHandle); 19907 primeDomainVerificationsLPw(userHandle); 19908 } 19909 } 19910 19911 void newUserCreated(final int userHandle) { 19912 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19913 // If permission review for legacy apps is required, we represent 19914 // dagerous permissions for such apps as always granted runtime 19915 // permissions to keep per user flag state whether review is needed. 19916 // Hence, if a new user is added we have to propagate dangerous 19917 // permission grants for these legacy apps. 19918 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19919 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19920 | UPDATE_PERMISSIONS_REPLACE_ALL); 19921 } 19922 } 19923 19924 @Override 19925 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19926 mContext.enforceCallingOrSelfPermission( 19927 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19928 "Only package verification agents can read the verifier device identity"); 19929 19930 synchronized (mPackages) { 19931 return mSettings.getVerifierDeviceIdentityLPw(); 19932 } 19933 } 19934 19935 @Override 19936 public void setPermissionEnforced(String permission, boolean enforced) { 19937 // TODO: Now that we no longer change GID for storage, this should to away. 19938 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19939 "setPermissionEnforced"); 19940 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19941 synchronized (mPackages) { 19942 if (mSettings.mReadExternalStorageEnforced == null 19943 || mSettings.mReadExternalStorageEnforced != enforced) { 19944 mSettings.mReadExternalStorageEnforced = enforced; 19945 mSettings.writeLPr(); 19946 } 19947 } 19948 // kill any non-foreground processes so we restart them and 19949 // grant/revoke the GID. 19950 final IActivityManager am = ActivityManagerNative.getDefault(); 19951 if (am != null) { 19952 final long token = Binder.clearCallingIdentity(); 19953 try { 19954 am.killProcessesBelowForeground("setPermissionEnforcement"); 19955 } catch (RemoteException e) { 19956 } finally { 19957 Binder.restoreCallingIdentity(token); 19958 } 19959 } 19960 } else { 19961 throw new IllegalArgumentException("No selective enforcement for " + permission); 19962 } 19963 } 19964 19965 @Override 19966 @Deprecated 19967 public boolean isPermissionEnforced(String permission) { 19968 return true; 19969 } 19970 19971 @Override 19972 public boolean isStorageLow() { 19973 final long token = Binder.clearCallingIdentity(); 19974 try { 19975 final DeviceStorageMonitorInternal 19976 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19977 if (dsm != null) { 19978 return dsm.isMemoryLow(); 19979 } else { 19980 return false; 19981 } 19982 } finally { 19983 Binder.restoreCallingIdentity(token); 19984 } 19985 } 19986 19987 @Override 19988 public IPackageInstaller getPackageInstaller() { 19989 return mInstallerService; 19990 } 19991 19992 private boolean userNeedsBadging(int userId) { 19993 int index = mUserNeedsBadging.indexOfKey(userId); 19994 if (index < 0) { 19995 final UserInfo userInfo; 19996 final long token = Binder.clearCallingIdentity(); 19997 try { 19998 userInfo = sUserManager.getUserInfo(userId); 19999 } finally { 20000 Binder.restoreCallingIdentity(token); 20001 } 20002 final boolean b; 20003 if (userInfo != null && userInfo.isManagedProfile()) { 20004 b = true; 20005 } else { 20006 b = false; 20007 } 20008 mUserNeedsBadging.put(userId, b); 20009 return b; 20010 } 20011 return mUserNeedsBadging.valueAt(index); 20012 } 20013 20014 @Override 20015 public KeySet getKeySetByAlias(String packageName, String alias) { 20016 if (packageName == null || alias == null) { 20017 return null; 20018 } 20019 synchronized(mPackages) { 20020 final PackageParser.Package pkg = mPackages.get(packageName); 20021 if (pkg == null) { 20022 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20023 throw new IllegalArgumentException("Unknown package: " + packageName); 20024 } 20025 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20026 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20027 } 20028 } 20029 20030 @Override 20031 public KeySet getSigningKeySet(String packageName) { 20032 if (packageName == null) { 20033 return null; 20034 } 20035 synchronized(mPackages) { 20036 final PackageParser.Package pkg = mPackages.get(packageName); 20037 if (pkg == null) { 20038 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20039 throw new IllegalArgumentException("Unknown package: " + packageName); 20040 } 20041 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20042 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20043 throw new SecurityException("May not access signing KeySet of other apps."); 20044 } 20045 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20046 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20047 } 20048 } 20049 20050 @Override 20051 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20052 if (packageName == null || ks == null) { 20053 return false; 20054 } 20055 synchronized(mPackages) { 20056 final PackageParser.Package pkg = mPackages.get(packageName); 20057 if (pkg == null) { 20058 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20059 throw new IllegalArgumentException("Unknown package: " + packageName); 20060 } 20061 IBinder ksh = ks.getToken(); 20062 if (ksh instanceof KeySetHandle) { 20063 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20064 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20065 } 20066 return false; 20067 } 20068 } 20069 20070 @Override 20071 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20072 if (packageName == null || ks == null) { 20073 return false; 20074 } 20075 synchronized(mPackages) { 20076 final PackageParser.Package pkg = mPackages.get(packageName); 20077 if (pkg == null) { 20078 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20079 throw new IllegalArgumentException("Unknown package: " + packageName); 20080 } 20081 IBinder ksh = ks.getToken(); 20082 if (ksh instanceof KeySetHandle) { 20083 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20084 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20085 } 20086 return false; 20087 } 20088 } 20089 20090 private void deletePackageIfUnusedLPr(final String packageName) { 20091 PackageSetting ps = mSettings.mPackages.get(packageName); 20092 if (ps == null) { 20093 return; 20094 } 20095 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20096 // TODO Implement atomic delete if package is unused 20097 // It is currently possible that the package will be deleted even if it is installed 20098 // after this method returns. 20099 mHandler.post(new Runnable() { 20100 public void run() { 20101 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20102 } 20103 }); 20104 } 20105 } 20106 20107 /** 20108 * Check and throw if the given before/after packages would be considered a 20109 * downgrade. 20110 */ 20111 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20112 throws PackageManagerException { 20113 if (after.versionCode < before.mVersionCode) { 20114 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20115 "Update version code " + after.versionCode + " is older than current " 20116 + before.mVersionCode); 20117 } else if (after.versionCode == before.mVersionCode) { 20118 if (after.baseRevisionCode < before.baseRevisionCode) { 20119 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20120 "Update base revision code " + after.baseRevisionCode 20121 + " is older than current " + before.baseRevisionCode); 20122 } 20123 20124 if (!ArrayUtils.isEmpty(after.splitNames)) { 20125 for (int i = 0; i < after.splitNames.length; i++) { 20126 final String splitName = after.splitNames[i]; 20127 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20128 if (j != -1) { 20129 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20130 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20131 "Update split " + splitName + " revision code " 20132 + after.splitRevisionCodes[i] + " is older than current " 20133 + before.splitRevisionCodes[j]); 20134 } 20135 } 20136 } 20137 } 20138 } 20139 } 20140 20141 private static class MoveCallbacks extends Handler { 20142 private static final int MSG_CREATED = 1; 20143 private static final int MSG_STATUS_CHANGED = 2; 20144 20145 private final RemoteCallbackList<IPackageMoveObserver> 20146 mCallbacks = new RemoteCallbackList<>(); 20147 20148 private final SparseIntArray mLastStatus = new SparseIntArray(); 20149 20150 public MoveCallbacks(Looper looper) { 20151 super(looper); 20152 } 20153 20154 public void register(IPackageMoveObserver callback) { 20155 mCallbacks.register(callback); 20156 } 20157 20158 public void unregister(IPackageMoveObserver callback) { 20159 mCallbacks.unregister(callback); 20160 } 20161 20162 @Override 20163 public void handleMessage(Message msg) { 20164 final SomeArgs args = (SomeArgs) msg.obj; 20165 final int n = mCallbacks.beginBroadcast(); 20166 for (int i = 0; i < n; i++) { 20167 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20168 try { 20169 invokeCallback(callback, msg.what, args); 20170 } catch (RemoteException ignored) { 20171 } 20172 } 20173 mCallbacks.finishBroadcast(); 20174 args.recycle(); 20175 } 20176 20177 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20178 throws RemoteException { 20179 switch (what) { 20180 case MSG_CREATED: { 20181 callback.onCreated(args.argi1, (Bundle) args.arg2); 20182 break; 20183 } 20184 case MSG_STATUS_CHANGED: { 20185 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20186 break; 20187 } 20188 } 20189 } 20190 20191 private void notifyCreated(int moveId, Bundle extras) { 20192 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20193 20194 final SomeArgs args = SomeArgs.obtain(); 20195 args.argi1 = moveId; 20196 args.arg2 = extras; 20197 obtainMessage(MSG_CREATED, args).sendToTarget(); 20198 } 20199 20200 private void notifyStatusChanged(int moveId, int status) { 20201 notifyStatusChanged(moveId, status, -1); 20202 } 20203 20204 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20205 Slog.v(TAG, "Move " + moveId + " status " + status); 20206 20207 final SomeArgs args = SomeArgs.obtain(); 20208 args.argi1 = moveId; 20209 args.argi2 = status; 20210 args.arg3 = estMillis; 20211 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20212 20213 synchronized (mLastStatus) { 20214 mLastStatus.put(moveId, status); 20215 } 20216 } 20217 } 20218 20219 private final static class OnPermissionChangeListeners extends Handler { 20220 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20221 20222 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20223 new RemoteCallbackList<>(); 20224 20225 public OnPermissionChangeListeners(Looper looper) { 20226 super(looper); 20227 } 20228 20229 @Override 20230 public void handleMessage(Message msg) { 20231 switch (msg.what) { 20232 case MSG_ON_PERMISSIONS_CHANGED: { 20233 final int uid = msg.arg1; 20234 handleOnPermissionsChanged(uid); 20235 } break; 20236 } 20237 } 20238 20239 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20240 mPermissionListeners.register(listener); 20241 20242 } 20243 20244 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20245 mPermissionListeners.unregister(listener); 20246 } 20247 20248 public void onPermissionsChanged(int uid) { 20249 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20250 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20251 } 20252 } 20253 20254 private void handleOnPermissionsChanged(int uid) { 20255 final int count = mPermissionListeners.beginBroadcast(); 20256 try { 20257 for (int i = 0; i < count; i++) { 20258 IOnPermissionsChangeListener callback = mPermissionListeners 20259 .getBroadcastItem(i); 20260 try { 20261 callback.onPermissionsChanged(uid); 20262 } catch (RemoteException e) { 20263 Log.e(TAG, "Permission listener is dead", e); 20264 } 20265 } 20266 } finally { 20267 mPermissionListeners.finishBroadcast(); 20268 } 20269 } 20270 } 20271 20272 private class PackageManagerInternalImpl extends PackageManagerInternal { 20273 @Override 20274 public void setLocationPackagesProvider(PackagesProvider provider) { 20275 synchronized (mPackages) { 20276 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20277 } 20278 } 20279 20280 @Override 20281 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20282 synchronized (mPackages) { 20283 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20284 } 20285 } 20286 20287 @Override 20288 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20289 synchronized (mPackages) { 20290 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20291 } 20292 } 20293 20294 @Override 20295 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20296 synchronized (mPackages) { 20297 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20298 } 20299 } 20300 20301 @Override 20302 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20303 synchronized (mPackages) { 20304 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20305 } 20306 } 20307 20308 @Override 20309 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20310 synchronized (mPackages) { 20311 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20312 } 20313 } 20314 20315 @Override 20316 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20317 synchronized (mPackages) { 20318 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20319 packageName, userId); 20320 } 20321 } 20322 20323 @Override 20324 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20325 synchronized (mPackages) { 20326 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20327 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20328 packageName, userId); 20329 } 20330 } 20331 20332 @Override 20333 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20334 synchronized (mPackages) { 20335 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20336 packageName, userId); 20337 } 20338 } 20339 20340 @Override 20341 public void setKeepUninstalledPackages(final List<String> packageList) { 20342 Preconditions.checkNotNull(packageList); 20343 List<String> removedFromList = null; 20344 synchronized (mPackages) { 20345 if (mKeepUninstalledPackages != null) { 20346 final int packagesCount = mKeepUninstalledPackages.size(); 20347 for (int i = 0; i < packagesCount; i++) { 20348 String oldPackage = mKeepUninstalledPackages.get(i); 20349 if (packageList != null && packageList.contains(oldPackage)) { 20350 continue; 20351 } 20352 if (removedFromList == null) { 20353 removedFromList = new ArrayList<>(); 20354 } 20355 removedFromList.add(oldPackage); 20356 } 20357 } 20358 mKeepUninstalledPackages = new ArrayList<>(packageList); 20359 if (removedFromList != null) { 20360 final int removedCount = removedFromList.size(); 20361 for (int i = 0; i < removedCount; i++) { 20362 deletePackageIfUnusedLPr(removedFromList.get(i)); 20363 } 20364 } 20365 } 20366 } 20367 20368 @Override 20369 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20370 synchronized (mPackages) { 20371 // If we do not support permission review, done. 20372 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20373 return false; 20374 } 20375 20376 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20377 if (packageSetting == null) { 20378 return false; 20379 } 20380 20381 // Permission review applies only to apps not supporting the new permission model. 20382 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20383 return false; 20384 } 20385 20386 // Legacy apps have the permission and get user consent on launch. 20387 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20388 return permissionsState.isPermissionReviewRequired(userId); 20389 } 20390 } 20391 20392 @Override 20393 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20394 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20395 } 20396 20397 @Override 20398 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20399 int userId) { 20400 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20401 } 20402 } 20403 20404 @Override 20405 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20406 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20407 synchronized (mPackages) { 20408 final long identity = Binder.clearCallingIdentity(); 20409 try { 20410 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20411 packageNames, userId); 20412 } finally { 20413 Binder.restoreCallingIdentity(identity); 20414 } 20415 } 20416 } 20417 20418 private static void enforceSystemOrPhoneCaller(String tag) { 20419 int callingUid = Binder.getCallingUid(); 20420 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20421 throw new SecurityException( 20422 "Cannot call " + tag + " from UID " + callingUid); 20423 } 20424 } 20425 20426 boolean isHistoricalPackageUsageAvailable() { 20427 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20428 } 20429 20430 /** 20431 * Return a <b>copy</b> of the collection of packages known to the package manager. 20432 * @return A copy of the values of mPackages. 20433 */ 20434 Collection<PackageParser.Package> getPackages() { 20435 synchronized (mPackages) { 20436 return new ArrayList<>(mPackages.values()); 20437 } 20438 } 20439 20440 /** 20441 * Logs process start information (including base APK hash) to the security log. 20442 * @hide 20443 */ 20444 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20445 String apkFile, int pid) { 20446 if (!SecurityLog.isLoggingEnabled()) { 20447 return; 20448 } 20449 Bundle data = new Bundle(); 20450 data.putLong("startTimestamp", System.currentTimeMillis()); 20451 data.putString("processName", processName); 20452 data.putInt("uid", uid); 20453 data.putString("seinfo", seinfo); 20454 data.putString("apkFile", apkFile); 20455 data.putInt("pid", pid); 20456 Message msg = mProcessLoggingHandler.obtainMessage( 20457 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20458 msg.setData(data); 20459 mProcessLoggingHandler.sendMessage(msg); 20460 } 20461} 20462