PackageManagerService.java revision 429270c3ed1da02914efb476be977dc3829d4c30
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.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 29import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 44import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 45import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 46import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 47import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 48import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 49import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 50import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 51import static android.content.pm.PackageParser.isApkFile; 52import static android.os.Process.PACKAGE_INFO_GID; 53import static android.os.Process.SYSTEM_UID; 54import static android.system.OsConstants.O_CREAT; 55import static android.system.OsConstants.O_RDWR; 56import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 57import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 58import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 59import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 60import static com.android.internal.util.ArrayUtils.appendInt; 61import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 62import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 63import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 64import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 65import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 66 67import android.Manifest; 68import android.content.pm.IntentFilterVerificationInfo; 69import android.util.ArrayMap; 70 71import com.android.internal.R; 72import com.android.internal.app.IMediaContainerService; 73import com.android.internal.app.ResolverActivity; 74import com.android.internal.content.NativeLibraryHelper; 75import com.android.internal.content.PackageHelper; 76import com.android.internal.os.IParcelFileDescriptorFactory; 77import com.android.internal.util.ArrayUtils; 78import com.android.internal.util.FastPrintWriter; 79import com.android.internal.util.FastXmlSerializer; 80import com.android.internal.util.IndentingPrintWriter; 81import com.android.server.EventLogTags; 82import com.android.server.IntentResolver; 83import com.android.server.LocalServices; 84import com.android.server.ServiceThread; 85import com.android.server.SystemConfig; 86import com.android.server.Watchdog; 87import com.android.server.pm.Settings.DatabaseVersion; 88import com.android.server.storage.DeviceStorageMonitorInternal; 89 90import org.xmlpull.v1.XmlSerializer; 91 92import android.app.ActivityManager; 93import android.app.ActivityManagerNative; 94import android.app.AppGlobals; 95import android.app.IActivityManager; 96import android.app.admin.IDevicePolicyManager; 97import android.app.backup.IBackupManager; 98import android.app.usage.UsageStats; 99import android.app.usage.UsageStatsManager; 100import android.content.BroadcastReceiver; 101import android.content.ComponentName; 102import android.content.Context; 103import android.content.IIntentReceiver; 104import android.content.Intent; 105import android.content.IntentFilter; 106import android.content.IntentSender; 107import android.content.IntentSender.SendIntentException; 108import android.content.ServiceConnection; 109import android.content.pm.ActivityInfo; 110import android.content.pm.ApplicationInfo; 111import android.content.pm.FeatureInfo; 112import android.content.pm.IPackageDataObserver; 113import android.content.pm.IPackageDeleteObserver; 114import android.content.pm.IPackageDeleteObserver2; 115import android.content.pm.IPackageInstallObserver2; 116import android.content.pm.IPackageInstaller; 117import android.content.pm.IPackageManager; 118import android.content.pm.IPackageMoveObserver; 119import android.content.pm.IPackageStatsObserver; 120import android.content.pm.InstrumentationInfo; 121import android.content.pm.KeySet; 122import android.content.pm.ManifestDigest; 123import android.content.pm.PackageCleanItem; 124import android.content.pm.PackageInfo; 125import android.content.pm.PackageInfoLite; 126import android.content.pm.PackageInstaller; 127import android.content.pm.PackageManager; 128import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 129import android.content.pm.PackageParser.ActivityIntentInfo; 130import android.content.pm.PackageParser.PackageLite; 131import android.content.pm.PackageParser.PackageParserException; 132import android.content.pm.PackageParser; 133import android.content.pm.PackageStats; 134import android.content.pm.PackageUserState; 135import android.content.pm.ParceledListSlice; 136import android.content.pm.PermissionGroupInfo; 137import android.content.pm.PermissionInfo; 138import android.content.pm.ProviderInfo; 139import android.content.pm.ResolveInfo; 140import android.content.pm.ServiceInfo; 141import android.content.pm.Signature; 142import android.content.pm.UserInfo; 143import android.content.pm.VerificationParams; 144import android.content.pm.VerifierDeviceIdentity; 145import android.content.pm.VerifierInfo; 146import android.content.res.Resources; 147import android.hardware.display.DisplayManager; 148import android.net.Uri; 149import android.os.Binder; 150import android.os.Build; 151import android.os.Bundle; 152import android.os.Environment; 153import android.os.Environment.UserEnvironment; 154import android.os.storage.IMountService; 155import android.os.storage.StorageEventListener; 156import android.os.storage.StorageManager; 157import android.os.storage.VolumeInfo; 158import android.os.Debug; 159import android.os.FileUtils; 160import android.os.Handler; 161import android.os.IBinder; 162import android.os.Looper; 163import android.os.Message; 164import android.os.Parcel; 165import android.os.ParcelFileDescriptor; 166import android.os.Process; 167import android.os.RemoteException; 168import android.os.SELinux; 169import android.os.ServiceManager; 170import android.os.SystemClock; 171import android.os.SystemProperties; 172import android.os.UserHandle; 173import android.os.UserManager; 174import android.security.KeyStore; 175import android.security.SystemKeyStore; 176import android.system.ErrnoException; 177import android.system.Os; 178import android.system.StructStat; 179import android.text.TextUtils; 180import android.text.format.DateUtils; 181import android.util.ArraySet; 182import android.util.AtomicFile; 183import android.util.DisplayMetrics; 184import android.util.EventLog; 185import android.util.ExceptionUtils; 186import android.util.Log; 187import android.util.LogPrinter; 188import android.util.PrintStreamPrinter; 189import android.util.Slog; 190import android.util.SparseArray; 191import android.util.SparseBooleanArray; 192import android.view.Display; 193 194import java.io.BufferedInputStream; 195import java.io.BufferedOutputStream; 196import java.io.BufferedReader; 197import java.io.File; 198import java.io.FileDescriptor; 199import java.io.FileNotFoundException; 200import java.io.FileOutputStream; 201import java.io.FileReader; 202import java.io.FilenameFilter; 203import java.io.IOException; 204import java.io.InputStream; 205import java.io.PrintWriter; 206import java.nio.charset.StandardCharsets; 207import java.security.NoSuchAlgorithmException; 208import java.security.PublicKey; 209import java.security.cert.CertificateEncodingException; 210import java.security.cert.CertificateException; 211import java.text.SimpleDateFormat; 212import java.util.ArrayList; 213import java.util.Arrays; 214import java.util.Collection; 215import java.util.Collections; 216import java.util.Comparator; 217import java.util.Date; 218import java.util.Iterator; 219import java.util.List; 220import java.util.Map; 221import java.util.Objects; 222import java.util.Set; 223import java.util.concurrent.atomic.AtomicBoolean; 224import java.util.concurrent.atomic.AtomicLong; 225 226import dalvik.system.DexFile; 227import dalvik.system.VMRuntime; 228 229import libcore.io.IoUtils; 230import libcore.util.EmptyArray; 231 232/** 233 * Keep track of all those .apks everywhere. 234 * 235 * This is very central to the platform's security; please run the unit 236 * tests whenever making modifications here: 237 * 238mmm frameworks/base/tests/AndroidTests 239adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 240adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 241 * 242 * {@hide} 243 */ 244public class PackageManagerService extends IPackageManager.Stub { 245 static final String TAG = "PackageManager"; 246 static final boolean DEBUG_SETTINGS = false; 247 static final boolean DEBUG_PREFERRED = false; 248 static final boolean DEBUG_UPGRADE = false; 249 private static final boolean DEBUG_INSTALL = false; 250 private static final boolean DEBUG_REMOVE = false; 251 private static final boolean DEBUG_BROADCASTS = false; 252 private static final boolean DEBUG_SHOW_INFO = false; 253 private static final boolean DEBUG_PACKAGE_INFO = false; 254 private static final boolean DEBUG_INTENT_MATCHING = false; 255 private static final boolean DEBUG_PACKAGE_SCANNING = false; 256 private static final boolean DEBUG_VERIFY = false; 257 private static final boolean DEBUG_DEXOPT = false; 258 private static final boolean DEBUG_ABI_SELECTION = false; 259 260 static final boolean RUNTIME_PERMISSIONS_ENABLED = true; 261 262 private static final int RADIO_UID = Process.PHONE_UID; 263 private static final int LOG_UID = Process.LOG_UID; 264 private static final int NFC_UID = Process.NFC_UID; 265 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 266 private static final int SHELL_UID = Process.SHELL_UID; 267 268 // Cap the size of permission trees that 3rd party apps can define 269 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 270 271 // Suffix used during package installation when copying/moving 272 // package apks to install directory. 273 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 274 275 static final int SCAN_NO_DEX = 1<<1; 276 static final int SCAN_FORCE_DEX = 1<<2; 277 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 278 static final int SCAN_NEW_INSTALL = 1<<4; 279 static final int SCAN_NO_PATHS = 1<<5; 280 static final int SCAN_UPDATE_TIME = 1<<6; 281 static final int SCAN_DEFER_DEX = 1<<7; 282 static final int SCAN_BOOTING = 1<<8; 283 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 284 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 285 static final int SCAN_REPLACING = 1<<11; 286 static final int SCAN_REQUIRE_KNOWN = 1<<12; 287 288 static final int REMOVE_CHATTY = 1<<16; 289 290 /** 291 * Timeout (in milliseconds) after which the watchdog should declare that 292 * our handler thread is wedged. The usual default for such things is one 293 * minute but we sometimes do very lengthy I/O operations on this thread, 294 * such as installing multi-gigabyte applications, so ours needs to be longer. 295 */ 296 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 297 298 /** 299 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 300 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 301 * settings entry if available, otherwise we use the hardcoded default. If it's been 302 * more than this long since the last fstrim, we force one during the boot sequence. 303 * 304 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 305 * one gets run at the next available charging+idle time. This final mandatory 306 * no-fstrim check kicks in only of the other scheduling criteria is never met. 307 */ 308 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 309 310 /** 311 * Whether verification is enabled by default. 312 */ 313 private static final boolean DEFAULT_VERIFY_ENABLE = true; 314 315 /** 316 * The default maximum time to wait for the verification agent to return in 317 * milliseconds. 318 */ 319 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 320 321 /** 322 * The default response for package verification timeout. 323 * 324 * This can be either PackageManager.VERIFICATION_ALLOW or 325 * PackageManager.VERIFICATION_REJECT. 326 */ 327 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 328 329 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 330 331 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 332 DEFAULT_CONTAINER_PACKAGE, 333 "com.android.defcontainer.DefaultContainerService"); 334 335 private static final String KILL_APP_REASON_GIDS_CHANGED = 336 "permission grant or revoke changed gids"; 337 338 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 339 "permissions revoked"; 340 341 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 342 343 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 344 345 /** Permission grant: not grant the permission. */ 346 private static final int GRANT_DENIED = 1; 347 348 /** Permission grant: grant the permission as an install permission. */ 349 private static final int GRANT_INSTALL = 2; 350 351 /** Permission grant: grant the permission as a runtime one. */ 352 private static final int GRANT_RUNTIME = 3; 353 354 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 355 private static final int GRANT_UPGRADE = 4; 356 357 final ServiceThread mHandlerThread; 358 359 final PackageHandler mHandler; 360 361 /** 362 * Messages for {@link #mHandler} that need to wait for system ready before 363 * being dispatched. 364 */ 365 private ArrayList<Message> mPostSystemReadyMessages; 366 367 final int mSdkVersion = Build.VERSION.SDK_INT; 368 369 final Context mContext; 370 final boolean mFactoryTest; 371 final boolean mOnlyCore; 372 final boolean mLazyDexOpt; 373 final long mDexOptLRUThresholdInMills; 374 final DisplayMetrics mMetrics; 375 final int mDefParseFlags; 376 final String[] mSeparateProcesses; 377 final boolean mIsUpgrade; 378 379 // This is where all application persistent data goes. 380 final File mAppDataDir; 381 382 // This is where all application persistent data goes for secondary users. 383 final File mUserAppDataDir; 384 385 /** The location for ASEC container files on internal storage. */ 386 final String mAsecInternalPath; 387 388 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 389 // LOCK HELD. Can be called with mInstallLock held. 390 final Installer mInstaller; 391 392 /** Directory where installed third-party apps stored */ 393 final File mAppInstallDir; 394 395 /** 396 * Directory to which applications installed internally have their 397 * 32 bit native libraries copied. 398 */ 399 private File mAppLib32InstallDir; 400 401 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 402 // apps. 403 final File mDrmAppPrivateInstallDir; 404 405 // ---------------------------------------------------------------- 406 407 // Lock for state used when installing and doing other long running 408 // operations. Methods that must be called with this lock held have 409 // the suffix "LI". 410 final Object mInstallLock = new Object(); 411 412 // ---------------------------------------------------------------- 413 414 // Keys are String (package name), values are Package. This also serves 415 // as the lock for the global state. Methods that must be called with 416 // this lock held have the prefix "LP". 417 final ArrayMap<String, PackageParser.Package> mPackages = 418 new ArrayMap<String, PackageParser.Package>(); 419 420 // Tracks available target package names -> overlay package paths. 421 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 422 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 423 424 final Settings mSettings; 425 boolean mRestoredSettings; 426 427 // System configuration read by SystemConfig. 428 final int[] mGlobalGids; 429 final SparseArray<ArraySet<String>> mSystemPermissions; 430 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 431 432 // If mac_permissions.xml was found for seinfo labeling. 433 boolean mFoundPolicyFile; 434 435 // If a recursive restorecon of /data/data/<pkg> is needed. 436 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 437 438 public static final class SharedLibraryEntry { 439 public final String path; 440 public final String apk; 441 442 SharedLibraryEntry(String _path, String _apk) { 443 path = _path; 444 apk = _apk; 445 } 446 } 447 448 // Currently known shared libraries. 449 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 450 new ArrayMap<String, SharedLibraryEntry>(); 451 452 // All available activities, for your resolving pleasure. 453 final ActivityIntentResolver mActivities = 454 new ActivityIntentResolver(); 455 456 // All available receivers, for your resolving pleasure. 457 final ActivityIntentResolver mReceivers = 458 new ActivityIntentResolver(); 459 460 // All available services, for your resolving pleasure. 461 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 462 463 // All available providers, for your resolving pleasure. 464 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 465 466 // Mapping from provider base names (first directory in content URI codePath) 467 // to the provider information. 468 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 469 new ArrayMap<String, PackageParser.Provider>(); 470 471 // Mapping from instrumentation class names to info about them. 472 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 473 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 474 475 // Mapping from permission names to info about them. 476 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 477 new ArrayMap<String, PackageParser.PermissionGroup>(); 478 479 // Packages whose data we have transfered into another package, thus 480 // should no longer exist. 481 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 482 483 // Broadcast actions that are only available to the system. 484 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 485 486 /** List of packages waiting for verification. */ 487 final SparseArray<PackageVerificationState> mPendingVerification 488 = new SparseArray<PackageVerificationState>(); 489 490 /** Set of packages associated with each app op permission. */ 491 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 492 493 final PackageInstallerService mInstallerService; 494 495 private final PackageDexOptimizer mPackageDexOptimizer; 496 // Cache of users who need badging. 497 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 498 499 /** Token for keys in mPendingVerification. */ 500 private int mPendingVerificationToken = 0; 501 502 volatile boolean mSystemReady; 503 volatile boolean mSafeMode; 504 volatile boolean mHasSystemUidErrors; 505 506 ApplicationInfo mAndroidApplication; 507 final ActivityInfo mResolveActivity = new ActivityInfo(); 508 final ResolveInfo mResolveInfo = new ResolveInfo(); 509 ComponentName mResolveComponentName; 510 PackageParser.Package mPlatformPackage; 511 ComponentName mCustomResolverComponentName; 512 513 boolean mResolverReplaced = false; 514 515 private final ComponentName mIntentFilterVerifierComponent; 516 private int mIntentFilterVerificationToken = 0; 517 518 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 519 = new SparseArray<IntentFilterVerificationState>(); 520 521 private interface IntentFilterVerifier<T extends IntentFilter> { 522 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 523 T filter, String packageName); 524 void startVerifications(int userId); 525 void receiveVerificationResponse(int verificationId); 526 } 527 528 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 529 private Context mContext; 530 private ComponentName mIntentFilterVerifierComponent; 531 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 532 533 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 534 mContext = context; 535 mIntentFilterVerifierComponent = verifierComponent; 536 } 537 538 private String getDefaultScheme() { 539 // TODO: replace SCHEME_HTTP with SCHEME_HTTPS 540 return IntentFilter.SCHEME_HTTP; 541 } 542 543 @Override 544 public void startVerifications(int userId) { 545 // Launch verifications requests 546 int count = mCurrentIntentFilterVerifications.size(); 547 for (int n=0; n<count; n++) { 548 int verificationId = mCurrentIntentFilterVerifications.get(n); 549 final IntentFilterVerificationState ivs = 550 mIntentFilterVerificationStates.get(verificationId); 551 552 String packageName = ivs.getPackageName(); 553 boolean modified = false; 554 555 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 556 final int filterCount = filters.size(); 557 for (int m=0; m<filterCount; m++) { 558 PackageParser.ActivityIntentInfo filter = filters.get(m); 559 synchronized (mPackages) { 560 modified = mSettings.createIntentFilterVerificationIfNeededLPw( 561 packageName, filter.getHosts()); 562 } 563 } 564 synchronized (mPackages) { 565 if (modified) { 566 scheduleWriteSettingsLocked(); 567 } 568 } 569 sendVerificationRequest(userId, verificationId, ivs); 570 } 571 mCurrentIntentFilterVerifications.clear(); 572 } 573 574 private void sendVerificationRequest(int userId, int verificationId, 575 IntentFilterVerificationState ivs) { 576 577 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 578 verificationIntent.putExtra( 579 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 580 verificationId); 581 verificationIntent.putExtra( 582 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 583 getDefaultScheme()); 584 verificationIntent.putExtra( 585 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 586 ivs.getHostsString()); 587 verificationIntent.putExtra( 588 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 589 ivs.getPackageName()); 590 verificationIntent.setComponent(mIntentFilterVerifierComponent); 591 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 592 593 UserHandle user = new UserHandle(userId); 594 mContext.sendBroadcastAsUser(verificationIntent, user); 595 Slog.d(TAG, "Sending IntenFilter verification broadcast"); 596 } 597 598 public void receiveVerificationResponse(int verificationId) { 599 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 600 601 final boolean verified = ivs.isVerified(); 602 603 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 604 final int count = filters.size(); 605 for (int n=0; n<count; n++) { 606 PackageParser.ActivityIntentInfo filter = filters.get(n); 607 filter.setVerified(verified); 608 609 Slog.d(TAG, "IntentFilter " + filter.toString() + " verified with result:" 610 + verified + " and hosts:" + ivs.getHostsString()); 611 } 612 613 mIntentFilterVerificationStates.remove(verificationId); 614 615 final String packageName = ivs.getPackageName(); 616 IntentFilterVerificationInfo ivi = null; 617 618 synchronized (mPackages) { 619 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 620 } 621 if (ivi == null) { 622 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 623 + verificationId + " packageName:" + packageName); 624 return; 625 } 626 Slog.d(TAG, "Updating IntentFilterVerificationInfo for verificationId: " 627 + verificationId); 628 629 synchronized (mPackages) { 630 if (verified) { 631 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 632 } else { 633 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 634 } 635 scheduleWriteSettingsLocked(); 636 637 final int userId = ivs.getUserId(); 638 if (userId != UserHandle.USER_ALL) { 639 final int userStatus = 640 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 641 642 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 643 boolean needUpdate = false; 644 645 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 646 // already been set by the User thru the Disambiguation dialog 647 switch (userStatus) { 648 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 649 if (verified) { 650 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 651 } else { 652 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 653 } 654 needUpdate = true; 655 break; 656 657 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 658 if (verified) { 659 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 660 needUpdate = true; 661 } 662 break; 663 664 default: 665 // Nothing to do 666 } 667 668 if (needUpdate) { 669 mSettings.updateIntentFilterVerificationStatusLPw( 670 packageName, updatedStatus, userId); 671 scheduleWritePackageRestrictionsLocked(userId); 672 } 673 } 674 } 675 } 676 677 @Override 678 public boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 679 ActivityIntentInfo filter, String packageName) { 680 if (!(filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 681 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 682 Slog.d(TAG, "IntentFilter does not contain HTTP nor HTTPS data scheme"); 683 return false; 684 } 685 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 686 if (ivs == null) { 687 ivs = createDomainVerificationState(verifierId, userId, verificationId, 688 packageName); 689 } 690 ArrayList<String> hosts = filter.getHostsList(); 691 if (!hasValidHosts(hosts)) { 692 return false; 693 } 694 ivs.addFilter(filter); 695 return true; 696 } 697 698 private IntentFilterVerificationState createDomainVerificationState(int verifierId, 699 int userId, int verificationId, String packageName) { 700 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 701 verifierId, userId, packageName); 702 ivs.setPendingState(); 703 synchronized (mPackages) { 704 mIntentFilterVerificationStates.append(verificationId, ivs); 705 mCurrentIntentFilterVerifications.add(verificationId); 706 } 707 return ivs; 708 } 709 710 private boolean hasValidHosts(ArrayList<String> hosts) { 711 if (hosts.size() == 0) { 712 Slog.d(TAG, "IntentFilter does not contain any data hosts"); 713 return false; 714 } 715 String hostEndBase = null; 716 for (String host : hosts) { 717 String[] hostParts = host.split("\\."); 718 // Should be at minimum a host like "example.com" 719 if (hostParts.length < 2) { 720 Slog.d(TAG, "IntentFilter does not contain a valid data host name: " + host); 721 return false; 722 } 723 // Verify that we have the same ending domain 724 int length = hostParts.length; 725 String hostEnd = hostParts[length - 1] + hostParts[length - 2]; 726 if (hostEndBase == null) { 727 hostEndBase = hostEnd; 728 } 729 if (!hostEnd.equalsIgnoreCase(hostEndBase)) { 730 Slog.d(TAG, "IntentFilter does not contain the same data domains"); 731 return false; 732 } 733 } 734 return true; 735 } 736 } 737 738 private IntentFilterVerifier mIntentFilterVerifier; 739 740 // Set of pending broadcasts for aggregating enable/disable of components. 741 static class PendingPackageBroadcasts { 742 // for each user id, a map of <package name -> components within that package> 743 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 744 745 public PendingPackageBroadcasts() { 746 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 747 } 748 749 public ArrayList<String> get(int userId, String packageName) { 750 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 751 return packages.get(packageName); 752 } 753 754 public void put(int userId, String packageName, ArrayList<String> components) { 755 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 756 packages.put(packageName, components); 757 } 758 759 public void remove(int userId, String packageName) { 760 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 761 if (packages != null) { 762 packages.remove(packageName); 763 } 764 } 765 766 public void remove(int userId) { 767 mUidMap.remove(userId); 768 } 769 770 public int userIdCount() { 771 return mUidMap.size(); 772 } 773 774 public int userIdAt(int n) { 775 return mUidMap.keyAt(n); 776 } 777 778 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 779 return mUidMap.get(userId); 780 } 781 782 public int size() { 783 // total number of pending broadcast entries across all userIds 784 int num = 0; 785 for (int i = 0; i< mUidMap.size(); i++) { 786 num += mUidMap.valueAt(i).size(); 787 } 788 return num; 789 } 790 791 public void clear() { 792 mUidMap.clear(); 793 } 794 795 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 796 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 797 if (map == null) { 798 map = new ArrayMap<String, ArrayList<String>>(); 799 mUidMap.put(userId, map); 800 } 801 return map; 802 } 803 } 804 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 805 806 // Service Connection to remote media container service to copy 807 // package uri's from external media onto secure containers 808 // or internal storage. 809 private IMediaContainerService mContainerService = null; 810 811 static final int SEND_PENDING_BROADCAST = 1; 812 static final int MCS_BOUND = 3; 813 static final int END_COPY = 4; 814 static final int INIT_COPY = 5; 815 static final int MCS_UNBIND = 6; 816 static final int START_CLEANING_PACKAGE = 7; 817 static final int FIND_INSTALL_LOC = 8; 818 static final int POST_INSTALL = 9; 819 static final int MCS_RECONNECT = 10; 820 static final int MCS_GIVE_UP = 11; 821 static final int UPDATED_MEDIA_STATUS = 12; 822 static final int WRITE_SETTINGS = 13; 823 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 824 static final int PACKAGE_VERIFIED = 15; 825 static final int CHECK_PENDING_VERIFICATION = 16; 826 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 827 static final int INTENT_FILTER_VERIFIED = 18; 828 829 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 830 831 // Delay time in millisecs 832 static final int BROADCAST_DELAY = 10 * 1000; 833 834 static UserManagerService sUserManager; 835 836 // Stores a list of users whose package restrictions file needs to be updated 837 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 838 839 final private DefaultContainerConnection mDefContainerConn = 840 new DefaultContainerConnection(); 841 class DefaultContainerConnection implements ServiceConnection { 842 public void onServiceConnected(ComponentName name, IBinder service) { 843 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 844 IMediaContainerService imcs = 845 IMediaContainerService.Stub.asInterface(service); 846 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 847 } 848 849 public void onServiceDisconnected(ComponentName name) { 850 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 851 } 852 }; 853 854 // Recordkeeping of restore-after-install operations that are currently in flight 855 // between the Package Manager and the Backup Manager 856 class PostInstallData { 857 public InstallArgs args; 858 public PackageInstalledInfo res; 859 860 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 861 args = _a; 862 res = _r; 863 } 864 }; 865 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 866 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 867 868 private final String mRequiredVerifierPackage; 869 870 private final PackageUsage mPackageUsage = new PackageUsage(); 871 872 private class PackageUsage { 873 private static final int WRITE_INTERVAL 874 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 875 876 private final Object mFileLock = new Object(); 877 private final AtomicLong mLastWritten = new AtomicLong(0); 878 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 879 880 private boolean mIsHistoricalPackageUsageAvailable = true; 881 882 boolean isHistoricalPackageUsageAvailable() { 883 return mIsHistoricalPackageUsageAvailable; 884 } 885 886 void write(boolean force) { 887 if (force) { 888 writeInternal(); 889 return; 890 } 891 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 892 && !DEBUG_DEXOPT) { 893 return; 894 } 895 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 896 new Thread("PackageUsage_DiskWriter") { 897 @Override 898 public void run() { 899 try { 900 writeInternal(); 901 } finally { 902 mBackgroundWriteRunning.set(false); 903 } 904 } 905 }.start(); 906 } 907 } 908 909 private void writeInternal() { 910 synchronized (mPackages) { 911 synchronized (mFileLock) { 912 AtomicFile file = getFile(); 913 FileOutputStream f = null; 914 try { 915 f = file.startWrite(); 916 BufferedOutputStream out = new BufferedOutputStream(f); 917 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 918 StringBuilder sb = new StringBuilder(); 919 for (PackageParser.Package pkg : mPackages.values()) { 920 if (pkg.mLastPackageUsageTimeInMills == 0) { 921 continue; 922 } 923 sb.setLength(0); 924 sb.append(pkg.packageName); 925 sb.append(' '); 926 sb.append((long)pkg.mLastPackageUsageTimeInMills); 927 sb.append('\n'); 928 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 929 } 930 out.flush(); 931 file.finishWrite(f); 932 } catch (IOException e) { 933 if (f != null) { 934 file.failWrite(f); 935 } 936 Log.e(TAG, "Failed to write package usage times", e); 937 } 938 } 939 } 940 mLastWritten.set(SystemClock.elapsedRealtime()); 941 } 942 943 void readLP() { 944 synchronized (mFileLock) { 945 AtomicFile file = getFile(); 946 BufferedInputStream in = null; 947 try { 948 in = new BufferedInputStream(file.openRead()); 949 StringBuffer sb = new StringBuffer(); 950 while (true) { 951 String packageName = readToken(in, sb, ' '); 952 if (packageName == null) { 953 break; 954 } 955 String timeInMillisString = readToken(in, sb, '\n'); 956 if (timeInMillisString == null) { 957 throw new IOException("Failed to find last usage time for package " 958 + packageName); 959 } 960 PackageParser.Package pkg = mPackages.get(packageName); 961 if (pkg == null) { 962 continue; 963 } 964 long timeInMillis; 965 try { 966 timeInMillis = Long.parseLong(timeInMillisString.toString()); 967 } catch (NumberFormatException e) { 968 throw new IOException("Failed to parse " + timeInMillisString 969 + " as a long.", e); 970 } 971 pkg.mLastPackageUsageTimeInMills = timeInMillis; 972 } 973 } catch (FileNotFoundException expected) { 974 mIsHistoricalPackageUsageAvailable = false; 975 } catch (IOException e) { 976 Log.w(TAG, "Failed to read package usage times", e); 977 } finally { 978 IoUtils.closeQuietly(in); 979 } 980 } 981 mLastWritten.set(SystemClock.elapsedRealtime()); 982 } 983 984 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 985 throws IOException { 986 sb.setLength(0); 987 while (true) { 988 int ch = in.read(); 989 if (ch == -1) { 990 if (sb.length() == 0) { 991 return null; 992 } 993 throw new IOException("Unexpected EOF"); 994 } 995 if (ch == endOfToken) { 996 return sb.toString(); 997 } 998 sb.append((char)ch); 999 } 1000 } 1001 1002 private AtomicFile getFile() { 1003 File dataDir = Environment.getDataDirectory(); 1004 File systemDir = new File(dataDir, "system"); 1005 File fname = new File(systemDir, "package-usage.list"); 1006 return new AtomicFile(fname); 1007 } 1008 } 1009 1010 class PackageHandler extends Handler { 1011 private boolean mBound = false; 1012 final ArrayList<HandlerParams> mPendingInstalls = 1013 new ArrayList<HandlerParams>(); 1014 1015 private boolean connectToService() { 1016 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1017 " DefaultContainerService"); 1018 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1019 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1020 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1021 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 1022 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1023 mBound = true; 1024 return true; 1025 } 1026 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1027 return false; 1028 } 1029 1030 private void disconnectService() { 1031 mContainerService = null; 1032 mBound = false; 1033 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1034 mContext.unbindService(mDefContainerConn); 1035 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1036 } 1037 1038 PackageHandler(Looper looper) { 1039 super(looper); 1040 } 1041 1042 public void handleMessage(Message msg) { 1043 try { 1044 doHandleMessage(msg); 1045 } finally { 1046 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1047 } 1048 } 1049 1050 void doHandleMessage(Message msg) { 1051 switch (msg.what) { 1052 case INIT_COPY: { 1053 HandlerParams params = (HandlerParams) msg.obj; 1054 int idx = mPendingInstalls.size(); 1055 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1056 // If a bind was already initiated we dont really 1057 // need to do anything. The pending install 1058 // will be processed later on. 1059 if (!mBound) { 1060 // If this is the only one pending we might 1061 // have to bind to the service again. 1062 if (!connectToService()) { 1063 Slog.e(TAG, "Failed to bind to media container service"); 1064 params.serviceError(); 1065 return; 1066 } else { 1067 // Once we bind to the service, the first 1068 // pending request will be processed. 1069 mPendingInstalls.add(idx, params); 1070 } 1071 } else { 1072 mPendingInstalls.add(idx, params); 1073 // Already bound to the service. Just make 1074 // sure we trigger off processing the first request. 1075 if (idx == 0) { 1076 mHandler.sendEmptyMessage(MCS_BOUND); 1077 } 1078 } 1079 break; 1080 } 1081 case MCS_BOUND: { 1082 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1083 if (msg.obj != null) { 1084 mContainerService = (IMediaContainerService) msg.obj; 1085 } 1086 if (mContainerService == null) { 1087 // Something seriously wrong. Bail out 1088 Slog.e(TAG, "Cannot bind to media container service"); 1089 for (HandlerParams params : mPendingInstalls) { 1090 // Indicate service bind error 1091 params.serviceError(); 1092 } 1093 mPendingInstalls.clear(); 1094 } else if (mPendingInstalls.size() > 0) { 1095 HandlerParams params = mPendingInstalls.get(0); 1096 if (params != null) { 1097 if (params.startCopy()) { 1098 // We are done... look for more work or to 1099 // go idle. 1100 if (DEBUG_SD_INSTALL) Log.i(TAG, 1101 "Checking for more work or unbind..."); 1102 // Delete pending install 1103 if (mPendingInstalls.size() > 0) { 1104 mPendingInstalls.remove(0); 1105 } 1106 if (mPendingInstalls.size() == 0) { 1107 if (mBound) { 1108 if (DEBUG_SD_INSTALL) Log.i(TAG, 1109 "Posting delayed MCS_UNBIND"); 1110 removeMessages(MCS_UNBIND); 1111 Message ubmsg = obtainMessage(MCS_UNBIND); 1112 // Unbind after a little delay, to avoid 1113 // continual thrashing. 1114 sendMessageDelayed(ubmsg, 10000); 1115 } 1116 } else { 1117 // There are more pending requests in queue. 1118 // Just post MCS_BOUND message to trigger processing 1119 // of next pending install. 1120 if (DEBUG_SD_INSTALL) Log.i(TAG, 1121 "Posting MCS_BOUND for next work"); 1122 mHandler.sendEmptyMessage(MCS_BOUND); 1123 } 1124 } 1125 } 1126 } else { 1127 // Should never happen ideally. 1128 Slog.w(TAG, "Empty queue"); 1129 } 1130 break; 1131 } 1132 case MCS_RECONNECT: { 1133 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1134 if (mPendingInstalls.size() > 0) { 1135 if (mBound) { 1136 disconnectService(); 1137 } 1138 if (!connectToService()) { 1139 Slog.e(TAG, "Failed to bind to media container service"); 1140 for (HandlerParams params : mPendingInstalls) { 1141 // Indicate service bind error 1142 params.serviceError(); 1143 } 1144 mPendingInstalls.clear(); 1145 } 1146 } 1147 break; 1148 } 1149 case MCS_UNBIND: { 1150 // If there is no actual work left, then time to unbind. 1151 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1152 1153 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1154 if (mBound) { 1155 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1156 1157 disconnectService(); 1158 } 1159 } else if (mPendingInstalls.size() > 0) { 1160 // There are more pending requests in queue. 1161 // Just post MCS_BOUND message to trigger processing 1162 // of next pending install. 1163 mHandler.sendEmptyMessage(MCS_BOUND); 1164 } 1165 1166 break; 1167 } 1168 case MCS_GIVE_UP: { 1169 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1170 mPendingInstalls.remove(0); 1171 break; 1172 } 1173 case SEND_PENDING_BROADCAST: { 1174 String packages[]; 1175 ArrayList<String> components[]; 1176 int size = 0; 1177 int uids[]; 1178 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1179 synchronized (mPackages) { 1180 if (mPendingBroadcasts == null) { 1181 return; 1182 } 1183 size = mPendingBroadcasts.size(); 1184 if (size <= 0) { 1185 // Nothing to be done. Just return 1186 return; 1187 } 1188 packages = new String[size]; 1189 components = new ArrayList[size]; 1190 uids = new int[size]; 1191 int i = 0; // filling out the above arrays 1192 1193 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1194 int packageUserId = mPendingBroadcasts.userIdAt(n); 1195 Iterator<Map.Entry<String, ArrayList<String>>> it 1196 = mPendingBroadcasts.packagesForUserId(packageUserId) 1197 .entrySet().iterator(); 1198 while (it.hasNext() && i < size) { 1199 Map.Entry<String, ArrayList<String>> ent = it.next(); 1200 packages[i] = ent.getKey(); 1201 components[i] = ent.getValue(); 1202 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1203 uids[i] = (ps != null) 1204 ? UserHandle.getUid(packageUserId, ps.appId) 1205 : -1; 1206 i++; 1207 } 1208 } 1209 size = i; 1210 mPendingBroadcasts.clear(); 1211 } 1212 // Send broadcasts 1213 for (int i = 0; i < size; i++) { 1214 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1215 } 1216 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1217 break; 1218 } 1219 case START_CLEANING_PACKAGE: { 1220 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1221 final String packageName = (String)msg.obj; 1222 final int userId = msg.arg1; 1223 final boolean andCode = msg.arg2 != 0; 1224 synchronized (mPackages) { 1225 if (userId == UserHandle.USER_ALL) { 1226 int[] users = sUserManager.getUserIds(); 1227 for (int user : users) { 1228 mSettings.addPackageToCleanLPw( 1229 new PackageCleanItem(user, packageName, andCode)); 1230 } 1231 } else { 1232 mSettings.addPackageToCleanLPw( 1233 new PackageCleanItem(userId, packageName, andCode)); 1234 } 1235 } 1236 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1237 startCleaningPackages(); 1238 } break; 1239 case POST_INSTALL: { 1240 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1241 PostInstallData data = mRunningInstalls.get(msg.arg1); 1242 mRunningInstalls.delete(msg.arg1); 1243 boolean deleteOld = false; 1244 1245 if (data != null) { 1246 InstallArgs args = data.args; 1247 PackageInstalledInfo res = data.res; 1248 1249 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1250 res.removedInfo.sendBroadcast(false, true, false); 1251 Bundle extras = new Bundle(1); 1252 extras.putInt(Intent.EXTRA_UID, res.uid); 1253 1254 // Now that we successfully installed the package, grant runtime 1255 // permissions if requested before broadcasting the install. 1256 if ((args.installFlags 1257 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1258 grantRequestedRuntimePermissions(res.pkg, 1259 args.user.getIdentifier()); 1260 } 1261 1262 // Determine the set of users who are adding this 1263 // package for the first time vs. those who are seeing 1264 // an update. 1265 int[] firstUsers; 1266 int[] updateUsers = new int[0]; 1267 if (res.origUsers == null || res.origUsers.length == 0) { 1268 firstUsers = res.newUsers; 1269 } else { 1270 firstUsers = new int[0]; 1271 for (int i=0; i<res.newUsers.length; i++) { 1272 int user = res.newUsers[i]; 1273 boolean isNew = true; 1274 for (int j=0; j<res.origUsers.length; j++) { 1275 if (res.origUsers[j] == user) { 1276 isNew = false; 1277 break; 1278 } 1279 } 1280 if (isNew) { 1281 int[] newFirst = new int[firstUsers.length+1]; 1282 System.arraycopy(firstUsers, 0, newFirst, 0, 1283 firstUsers.length); 1284 newFirst[firstUsers.length] = user; 1285 firstUsers = newFirst; 1286 } else { 1287 int[] newUpdate = new int[updateUsers.length+1]; 1288 System.arraycopy(updateUsers, 0, newUpdate, 0, 1289 updateUsers.length); 1290 newUpdate[updateUsers.length] = user; 1291 updateUsers = newUpdate; 1292 } 1293 } 1294 } 1295 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1296 res.pkg.applicationInfo.packageName, 1297 extras, null, null, firstUsers); 1298 final boolean update = res.removedInfo.removedPackage != null; 1299 if (update) { 1300 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1301 } 1302 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1303 res.pkg.applicationInfo.packageName, 1304 extras, null, null, updateUsers); 1305 if (update) { 1306 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1307 res.pkg.applicationInfo.packageName, 1308 extras, null, null, updateUsers); 1309 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1310 null, null, 1311 res.pkg.applicationInfo.packageName, null, updateUsers); 1312 1313 // treat asec-hosted packages like removable media on upgrade 1314 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1315 if (DEBUG_INSTALL) { 1316 Slog.i(TAG, "upgrading pkg " + res.pkg 1317 + " is ASEC-hosted -> AVAILABLE"); 1318 } 1319 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1320 ArrayList<String> pkgList = new ArrayList<String>(1); 1321 pkgList.add(res.pkg.applicationInfo.packageName); 1322 sendResourcesChangedBroadcast(true, true, 1323 pkgList,uidArray, null); 1324 } 1325 } 1326 if (res.removedInfo.args != null) { 1327 // Remove the replaced package's older resources safely now 1328 deleteOld = true; 1329 } 1330 1331 // Log current value of "unknown sources" setting 1332 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1333 getUnknownSourcesSettings()); 1334 } 1335 // Force a gc to clear up things 1336 Runtime.getRuntime().gc(); 1337 // We delete after a gc for applications on sdcard. 1338 if (deleteOld) { 1339 synchronized (mInstallLock) { 1340 res.removedInfo.args.doPostDeleteLI(true); 1341 } 1342 } 1343 if (args.observer != null) { 1344 try { 1345 Bundle extras = extrasForInstallResult(res); 1346 args.observer.onPackageInstalled(res.name, res.returnCode, 1347 res.returnMsg, extras); 1348 } catch (RemoteException e) { 1349 Slog.i(TAG, "Observer no longer exists."); 1350 } 1351 } 1352 } else { 1353 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1354 } 1355 } break; 1356 case UPDATED_MEDIA_STATUS: { 1357 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1358 boolean reportStatus = msg.arg1 == 1; 1359 boolean doGc = msg.arg2 == 1; 1360 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1361 if (doGc) { 1362 // Force a gc to clear up stale containers. 1363 Runtime.getRuntime().gc(); 1364 } 1365 if (msg.obj != null) { 1366 @SuppressWarnings("unchecked") 1367 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1368 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1369 // Unload containers 1370 unloadAllContainers(args); 1371 } 1372 if (reportStatus) { 1373 try { 1374 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1375 PackageHelper.getMountService().finishMediaUpdate(); 1376 } catch (RemoteException e) { 1377 Log.e(TAG, "MountService not running?"); 1378 } 1379 } 1380 } break; 1381 case WRITE_SETTINGS: { 1382 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1383 synchronized (mPackages) { 1384 removeMessages(WRITE_SETTINGS); 1385 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1386 mSettings.writeLPr(); 1387 mDirtyUsers.clear(); 1388 } 1389 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1390 } break; 1391 case WRITE_PACKAGE_RESTRICTIONS: { 1392 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1393 synchronized (mPackages) { 1394 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1395 for (int userId : mDirtyUsers) { 1396 mSettings.writePackageRestrictionsLPr(userId); 1397 } 1398 mDirtyUsers.clear(); 1399 } 1400 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1401 } break; 1402 case CHECK_PENDING_VERIFICATION: { 1403 final int verificationId = msg.arg1; 1404 final PackageVerificationState state = mPendingVerification.get(verificationId); 1405 1406 if ((state != null) && !state.timeoutExtended()) { 1407 final InstallArgs args = state.getInstallArgs(); 1408 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1409 1410 Slog.i(TAG, "Verification timed out for " + originUri); 1411 mPendingVerification.remove(verificationId); 1412 1413 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1414 1415 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1416 Slog.i(TAG, "Continuing with installation of " + originUri); 1417 state.setVerifierResponse(Binder.getCallingUid(), 1418 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1419 broadcastPackageVerified(verificationId, originUri, 1420 PackageManager.VERIFICATION_ALLOW, 1421 state.getInstallArgs().getUser()); 1422 try { 1423 ret = args.copyApk(mContainerService, true); 1424 } catch (RemoteException e) { 1425 Slog.e(TAG, "Could not contact the ContainerService"); 1426 } 1427 } else { 1428 broadcastPackageVerified(verificationId, originUri, 1429 PackageManager.VERIFICATION_REJECT, 1430 state.getInstallArgs().getUser()); 1431 } 1432 1433 processPendingInstall(args, ret); 1434 mHandler.sendEmptyMessage(MCS_UNBIND); 1435 } 1436 break; 1437 } 1438 case PACKAGE_VERIFIED: { 1439 final int verificationId = msg.arg1; 1440 1441 final PackageVerificationState state = mPendingVerification.get(verificationId); 1442 if (state == null) { 1443 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1444 break; 1445 } 1446 1447 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1448 1449 state.setVerifierResponse(response.callerUid, response.code); 1450 1451 if (state.isVerificationComplete()) { 1452 mPendingVerification.remove(verificationId); 1453 1454 final InstallArgs args = state.getInstallArgs(); 1455 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1456 1457 int ret; 1458 if (state.isInstallAllowed()) { 1459 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1460 broadcastPackageVerified(verificationId, originUri, 1461 response.code, state.getInstallArgs().getUser()); 1462 try { 1463 ret = args.copyApk(mContainerService, true); 1464 } catch (RemoteException e) { 1465 Slog.e(TAG, "Could not contact the ContainerService"); 1466 } 1467 } else { 1468 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1469 } 1470 1471 processPendingInstall(args, ret); 1472 1473 mHandler.sendEmptyMessage(MCS_UNBIND); 1474 } 1475 1476 break; 1477 } 1478 case START_INTENT_FILTER_VERIFICATIONS: { 1479 int userId = msg.arg1; 1480 int verifierUid = msg.arg2; 1481 PackageParser.Package pkg = (PackageParser.Package)msg.obj; 1482 1483 verifyIntentFiltersIfNeeded(userId, verifierUid, pkg); 1484 break; 1485 } 1486 case INTENT_FILTER_VERIFIED: { 1487 final int verificationId = msg.arg1; 1488 1489 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1490 verificationId); 1491 if (state == null) { 1492 Slog.w(TAG, "Invalid IntentFilter verification token " 1493 + verificationId + " received"); 1494 break; 1495 } 1496 1497 final int userId = state.getUserId(); 1498 1499 Slog.d(TAG, "Processing IntentFilter verification with token:" 1500 + verificationId + " and userId:" + userId); 1501 1502 final IntentFilterVerificationResponse response = 1503 (IntentFilterVerificationResponse) msg.obj; 1504 1505 state.setVerifierResponse(response.callerUid, response.code); 1506 1507 Slog.d(TAG, "IntentFilter verification with token:" + verificationId 1508 + " and userId:" + userId 1509 + " is settings verifier response with response code:" 1510 + response.code); 1511 1512 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1513 Slog.d(TAG, "Domains failing verification: " 1514 + response.getFailedDomainsString()); 1515 } 1516 1517 if (state.isVerificationComplete()) { 1518 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1519 } else { 1520 Slog.d(TAG, "IntentFilter verification with token:" + verificationId 1521 + " was not said to be complete"); 1522 } 1523 1524 break; 1525 } 1526 } 1527 } 1528 } 1529 1530 private StorageEventListener mStorageListener = new StorageEventListener() { 1531 @Override 1532 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1533 Slog.v(TAG, vol.toString()); 1534 1535 // TODO: when private volume shows up, look for packages there too 1536 if (vol.isPrimary() && vol.type == VolumeInfo.TYPE_PUBLIC) { 1537 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1538 updateExternalMediaStatus(true, false); 1539 } else if (vol.state == VolumeInfo.STATE_UNMOUNTING) { 1540 updateExternalMediaStatus(false, false); 1541 } 1542 } 1543 } 1544 }; 1545 1546 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId) { 1547 if (userId >= UserHandle.USER_OWNER) { 1548 grantRequestedRuntimePermissionsForUser(pkg, userId); 1549 } else if (userId == UserHandle.USER_ALL) { 1550 for (int someUserId : UserManagerService.getInstance().getUserIds()) { 1551 grantRequestedRuntimePermissionsForUser(pkg, someUserId); 1552 } 1553 } 1554 } 1555 1556 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId) { 1557 SettingBase sb = (SettingBase) pkg.mExtras; 1558 if (sb == null) { 1559 return; 1560 } 1561 1562 PermissionsState permissionsState = sb.getPermissionsState(); 1563 1564 for (String permission : pkg.requestedPermissions) { 1565 BasePermission bp = mSettings.mPermissions.get(permission); 1566 if (bp != null && bp.isRuntime()) { 1567 permissionsState.grantRuntimePermission(bp, userId); 1568 } 1569 } 1570 } 1571 1572 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1573 Bundle extras = null; 1574 switch (res.returnCode) { 1575 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1576 extras = new Bundle(); 1577 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1578 res.origPermission); 1579 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1580 res.origPackage); 1581 break; 1582 } 1583 } 1584 return extras; 1585 } 1586 1587 void scheduleWriteSettingsLocked() { 1588 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1589 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1590 } 1591 } 1592 1593 void scheduleWritePackageRestrictionsLocked(int userId) { 1594 if (!sUserManager.exists(userId)) return; 1595 mDirtyUsers.add(userId); 1596 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1597 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1598 } 1599 } 1600 1601 public static PackageManagerService main(Context context, Installer installer, 1602 boolean factoryTest, boolean onlyCore) { 1603 PackageManagerService m = new PackageManagerService(context, installer, 1604 factoryTest, onlyCore); 1605 ServiceManager.addService("package", m); 1606 return m; 1607 } 1608 1609 static String[] splitString(String str, char sep) { 1610 int count = 1; 1611 int i = 0; 1612 while ((i=str.indexOf(sep, i)) >= 0) { 1613 count++; 1614 i++; 1615 } 1616 1617 String[] res = new String[count]; 1618 i=0; 1619 count = 0; 1620 int lastI=0; 1621 while ((i=str.indexOf(sep, i)) >= 0) { 1622 res[count] = str.substring(lastI, i); 1623 count++; 1624 i++; 1625 lastI = i; 1626 } 1627 res[count] = str.substring(lastI, str.length()); 1628 return res; 1629 } 1630 1631 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1632 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1633 Context.DISPLAY_SERVICE); 1634 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1635 } 1636 1637 public PackageManagerService(Context context, Installer installer, 1638 boolean factoryTest, boolean onlyCore) { 1639 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1640 SystemClock.uptimeMillis()); 1641 1642 if (mSdkVersion <= 0) { 1643 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1644 } 1645 1646 mContext = context; 1647 mFactoryTest = factoryTest; 1648 mOnlyCore = onlyCore; 1649 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1650 mMetrics = new DisplayMetrics(); 1651 mSettings = new Settings(mPackages); 1652 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1653 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1654 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1655 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1656 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1657 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1658 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1659 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1660 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1661 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1662 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1663 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1664 1665 // TODO: add a property to control this? 1666 long dexOptLRUThresholdInMinutes; 1667 if (mLazyDexOpt) { 1668 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1669 } else { 1670 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1671 } 1672 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1673 1674 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1675 if (separateProcesses != null && separateProcesses.length() > 0) { 1676 if ("*".equals(separateProcesses)) { 1677 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1678 mSeparateProcesses = null; 1679 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1680 } else { 1681 mDefParseFlags = 0; 1682 mSeparateProcesses = separateProcesses.split(","); 1683 Slog.w(TAG, "Running with debug.separate_processes: " 1684 + separateProcesses); 1685 } 1686 } else { 1687 mDefParseFlags = 0; 1688 mSeparateProcesses = null; 1689 } 1690 1691 mInstaller = installer; 1692 mPackageDexOptimizer = new PackageDexOptimizer(this); 1693 1694 getDefaultDisplayMetrics(context, mMetrics); 1695 1696 SystemConfig systemConfig = SystemConfig.getInstance(); 1697 mGlobalGids = systemConfig.getGlobalGids(); 1698 mSystemPermissions = systemConfig.getSystemPermissions(); 1699 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1700 1701 synchronized (mInstallLock) { 1702 // writer 1703 synchronized (mPackages) { 1704 mHandlerThread = new ServiceThread(TAG, 1705 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1706 mHandlerThread.start(); 1707 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1708 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1709 1710 File dataDir = Environment.getDataDirectory(); 1711 mAppDataDir = new File(dataDir, "data"); 1712 mAppInstallDir = new File(dataDir, "app"); 1713 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1714 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1715 mUserAppDataDir = new File(dataDir, "user"); 1716 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1717 1718 sUserManager = new UserManagerService(context, this, 1719 mInstallLock, mPackages); 1720 1721 // Propagate permission configuration in to package manager. 1722 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1723 = systemConfig.getPermissions(); 1724 for (int i=0; i<permConfig.size(); i++) { 1725 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1726 BasePermission bp = mSettings.mPermissions.get(perm.name); 1727 if (bp == null) { 1728 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1729 mSettings.mPermissions.put(perm.name, bp); 1730 } 1731 if (perm.gids != null) { 1732 bp.setGids(perm.gids, perm.perUser); 1733 } 1734 } 1735 1736 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1737 for (int i=0; i<libConfig.size(); i++) { 1738 mSharedLibraries.put(libConfig.keyAt(i), 1739 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1740 } 1741 1742 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1743 1744 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1745 mSdkVersion, mOnlyCore); 1746 1747 String customResolverActivity = Resources.getSystem().getString( 1748 R.string.config_customResolverActivity); 1749 if (TextUtils.isEmpty(customResolverActivity)) { 1750 customResolverActivity = null; 1751 } else { 1752 mCustomResolverComponentName = ComponentName.unflattenFromString( 1753 customResolverActivity); 1754 } 1755 1756 long startTime = SystemClock.uptimeMillis(); 1757 1758 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1759 startTime); 1760 1761 // Set flag to monitor and not change apk file paths when 1762 // scanning install directories. 1763 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1764 1765 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1766 1767 /** 1768 * Add everything in the in the boot class path to the 1769 * list of process files because dexopt will have been run 1770 * if necessary during zygote startup. 1771 */ 1772 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1773 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1774 1775 if (bootClassPath != null) { 1776 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1777 for (String element : bootClassPathElements) { 1778 alreadyDexOpted.add(element); 1779 } 1780 } else { 1781 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1782 } 1783 1784 if (systemServerClassPath != null) { 1785 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1786 for (String element : systemServerClassPathElements) { 1787 alreadyDexOpted.add(element); 1788 } 1789 } else { 1790 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1791 } 1792 1793 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1794 final String[] dexCodeInstructionSets = 1795 getDexCodeInstructionSets( 1796 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1797 1798 /** 1799 * Ensure all external libraries have had dexopt run on them. 1800 */ 1801 if (mSharedLibraries.size() > 0) { 1802 // NOTE: For now, we're compiling these system "shared libraries" 1803 // (and framework jars) into all available architectures. It's possible 1804 // to compile them only when we come across an app that uses them (there's 1805 // already logic for that in scanPackageLI) but that adds some complexity. 1806 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1807 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1808 final String lib = libEntry.path; 1809 if (lib == null) { 1810 continue; 1811 } 1812 1813 try { 1814 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1815 dexCodeInstructionSet, 1816 false); 1817 if (dexoptRequired != DexFile.UP_TO_DATE) { 1818 alreadyDexOpted.add(lib); 1819 1820 // The list of "shared libraries" we have at this point is 1821 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1822 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1823 } else { 1824 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1825 } 1826 } 1827 } catch (FileNotFoundException e) { 1828 Slog.w(TAG, "Library not found: " + lib); 1829 } catch (IOException e) { 1830 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1831 + e.getMessage()); 1832 } 1833 } 1834 } 1835 } 1836 1837 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1838 1839 // Gross hack for now: we know this file doesn't contain any 1840 // code, so don't dexopt it to avoid the resulting log spew. 1841 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1842 1843 // Gross hack for now: we know this file is only part of 1844 // the boot class path for art, so don't dexopt it to 1845 // avoid the resulting log spew. 1846 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1847 1848 /** 1849 * And there are a number of commands implemented in Java, which 1850 * we currently need to do the dexopt on so that they can be 1851 * run from a non-root shell. 1852 */ 1853 String[] frameworkFiles = frameworkDir.list(); 1854 if (frameworkFiles != null) { 1855 // TODO: We could compile these only for the most preferred ABI. We should 1856 // first double check that the dex files for these commands are not referenced 1857 // by other system apps. 1858 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1859 for (int i=0; i<frameworkFiles.length; i++) { 1860 File libPath = new File(frameworkDir, frameworkFiles[i]); 1861 String path = libPath.getPath(); 1862 // Skip the file if we already did it. 1863 if (alreadyDexOpted.contains(path)) { 1864 continue; 1865 } 1866 // Skip the file if it is not a type we want to dexopt. 1867 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1868 continue; 1869 } 1870 try { 1871 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1872 dexCodeInstructionSet, 1873 false); 1874 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1875 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1876 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1877 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1878 } 1879 } catch (FileNotFoundException e) { 1880 Slog.w(TAG, "Jar not found: " + path); 1881 } catch (IOException e) { 1882 Slog.w(TAG, "Exception reading jar: " + path, e); 1883 } 1884 } 1885 } 1886 } 1887 1888 // Collect vendor overlay packages. 1889 // (Do this before scanning any apps.) 1890 // For security and version matching reason, only consider 1891 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1892 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1893 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1894 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1895 1896 // Find base frameworks (resource packages without code). 1897 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1898 | PackageParser.PARSE_IS_SYSTEM_DIR 1899 | PackageParser.PARSE_IS_PRIVILEGED, 1900 scanFlags | SCAN_NO_DEX, 0); 1901 1902 // Collected privileged system packages. 1903 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1904 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1905 | PackageParser.PARSE_IS_SYSTEM_DIR 1906 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1907 1908 // Collect ordinary system packages. 1909 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1910 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1911 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1912 1913 // Collect all vendor packages. 1914 File vendorAppDir = new File("/vendor/app"); 1915 try { 1916 vendorAppDir = vendorAppDir.getCanonicalFile(); 1917 } catch (IOException e) { 1918 // failed to look up canonical path, continue with original one 1919 } 1920 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1921 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1922 1923 // Collect all OEM packages. 1924 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1925 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1926 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1927 1928 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1929 mInstaller.moveFiles(); 1930 1931 // Prune any system packages that no longer exist. 1932 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1933 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1934 if (!mOnlyCore) { 1935 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1936 while (psit.hasNext()) { 1937 PackageSetting ps = psit.next(); 1938 1939 /* 1940 * If this is not a system app, it can't be a 1941 * disable system app. 1942 */ 1943 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1944 continue; 1945 } 1946 1947 /* 1948 * If the package is scanned, it's not erased. 1949 */ 1950 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1951 if (scannedPkg != null) { 1952 /* 1953 * If the system app is both scanned and in the 1954 * disabled packages list, then it must have been 1955 * added via OTA. Remove it from the currently 1956 * scanned package so the previously user-installed 1957 * application can be scanned. 1958 */ 1959 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1960 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1961 + ps.name + "; removing system app. Last known codePath=" 1962 + ps.codePathString + ", installStatus=" + ps.installStatus 1963 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1964 + scannedPkg.mVersionCode); 1965 removePackageLI(ps, true); 1966 expectingBetter.put(ps.name, ps.codePath); 1967 } 1968 1969 continue; 1970 } 1971 1972 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1973 psit.remove(); 1974 logCriticalInfo(Log.WARN, "System package " + ps.name 1975 + " no longer exists; wiping its data"); 1976 removeDataDirsLI(ps.name); 1977 } else { 1978 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1979 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1980 possiblyDeletedUpdatedSystemApps.add(ps.name); 1981 } 1982 } 1983 } 1984 } 1985 1986 //look for any incomplete package installations 1987 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1988 //clean up list 1989 for(int i = 0; i < deletePkgsList.size(); i++) { 1990 //clean up here 1991 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1992 } 1993 //delete tmp files 1994 deleteTempPackageFiles(); 1995 1996 // Remove any shared userIDs that have no associated packages 1997 mSettings.pruneSharedUsersLPw(); 1998 1999 if (!mOnlyCore) { 2000 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2001 SystemClock.uptimeMillis()); 2002 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2003 2004 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2005 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2006 2007 /** 2008 * Remove disable package settings for any updated system 2009 * apps that were removed via an OTA. If they're not a 2010 * previously-updated app, remove them completely. 2011 * Otherwise, just revoke their system-level permissions. 2012 */ 2013 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2014 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2015 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2016 2017 String msg; 2018 if (deletedPkg == null) { 2019 msg = "Updated system package " + deletedAppName 2020 + " no longer exists; wiping its data"; 2021 removeDataDirsLI(deletedAppName); 2022 } else { 2023 msg = "Updated system app + " + deletedAppName 2024 + " no longer present; removing system privileges for " 2025 + deletedAppName; 2026 2027 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2028 2029 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2030 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2031 } 2032 logCriticalInfo(Log.WARN, msg); 2033 } 2034 2035 /** 2036 * Make sure all system apps that we expected to appear on 2037 * the userdata partition actually showed up. If they never 2038 * appeared, crawl back and revive the system version. 2039 */ 2040 for (int i = 0; i < expectingBetter.size(); i++) { 2041 final String packageName = expectingBetter.keyAt(i); 2042 if (!mPackages.containsKey(packageName)) { 2043 final File scanFile = expectingBetter.valueAt(i); 2044 2045 logCriticalInfo(Log.WARN, "Expected better " + packageName 2046 + " but never showed up; reverting to system"); 2047 2048 final int reparseFlags; 2049 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2050 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2051 | PackageParser.PARSE_IS_SYSTEM_DIR 2052 | PackageParser.PARSE_IS_PRIVILEGED; 2053 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2054 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2055 | PackageParser.PARSE_IS_SYSTEM_DIR; 2056 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2057 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2058 | PackageParser.PARSE_IS_SYSTEM_DIR; 2059 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2060 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2061 | PackageParser.PARSE_IS_SYSTEM_DIR; 2062 } else { 2063 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2064 continue; 2065 } 2066 2067 mSettings.enableSystemPackageLPw(packageName); 2068 2069 try { 2070 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 2071 } catch (PackageManagerException e) { 2072 Slog.e(TAG, "Failed to parse original system package: " 2073 + e.getMessage()); 2074 } 2075 } 2076 } 2077 } 2078 2079 // Now that we know all of the shared libraries, update all clients to have 2080 // the correct library paths. 2081 updateAllSharedLibrariesLPw(); 2082 2083 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2084 // NOTE: We ignore potential failures here during a system scan (like 2085 // the rest of the commands above) because there's precious little we 2086 // can do about it. A settings error is reported, though. 2087 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2088 false /* force dexopt */, false /* defer dexopt */); 2089 } 2090 2091 // Now that we know all the packages we are keeping, 2092 // read and update their last usage times. 2093 mPackageUsage.readLP(); 2094 2095 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2096 SystemClock.uptimeMillis()); 2097 Slog.i(TAG, "Time to scan packages: " 2098 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2099 + " seconds"); 2100 2101 // If the platform SDK has changed since the last time we booted, 2102 // we need to re-grant app permission to catch any new ones that 2103 // appear. This is really a hack, and means that apps can in some 2104 // cases get permissions that the user didn't initially explicitly 2105 // allow... it would be nice to have some better way to handle 2106 // this situation. 2107 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 2108 != mSdkVersion; 2109 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 2110 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 2111 + "; regranting permissions for internal storage"); 2112 mSettings.mInternalSdkPlatform = mSdkVersion; 2113 2114 // For now runtime permissions are toggled via a system property. 2115 if (!RUNTIME_PERMISSIONS_ENABLED) { 2116 // Remove the runtime permissions state if the feature 2117 // was disabled by flipping the system property. 2118 mSettings.deleteRuntimePermissionsFiles(); 2119 } 2120 2121 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 2122 | (regrantPermissions 2123 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 2124 : 0)); 2125 2126 // If this is the first boot, and it is a normal boot, then 2127 // we need to initialize the default preferred apps. 2128 if (!mRestoredSettings && !onlyCore) { 2129 mSettings.readDefaultPreferredAppsLPw(this, 0); 2130 } 2131 2132 // If this is first boot after an OTA, and a normal boot, then 2133 // we need to clear code cache directories. 2134 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 2135 if (mIsUpgrade && !onlyCore) { 2136 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2137 for (String pkgName : mSettings.mPackages.keySet()) { 2138 deleteCodeCacheDirsLI(pkgName); 2139 } 2140 mSettings.mFingerprint = Build.FINGERPRINT; 2141 } 2142 2143 // All the changes are done during package scanning. 2144 mSettings.updateInternalDatabaseVersion(); 2145 2146 // can downgrade to reader 2147 mSettings.writeLPr(); 2148 2149 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2150 SystemClock.uptimeMillis()); 2151 2152 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2153 2154 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 2155 2156 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2157 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2158 mIntentFilterVerifierComponent); 2159 2160 } // synchronized (mPackages) 2161 } // synchronized (mInstallLock) 2162 2163 // Now after opening every single application zip, make sure they 2164 // are all flushed. Not really needed, but keeps things nice and 2165 // tidy. 2166 Runtime.getRuntime().gc(); 2167 } 2168 2169 @Override 2170 public boolean isFirstBoot() { 2171 return !mRestoredSettings; 2172 } 2173 2174 @Override 2175 public boolean isOnlyCoreApps() { 2176 return mOnlyCore; 2177 } 2178 2179 @Override 2180 public boolean isUpgrade() { 2181 return mIsUpgrade; 2182 } 2183 2184 private String getRequiredVerifierLPr() { 2185 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2186 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2187 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2188 2189 String requiredVerifier = null; 2190 2191 final int N = receivers.size(); 2192 for (int i = 0; i < N; i++) { 2193 final ResolveInfo info = receivers.get(i); 2194 2195 if (info.activityInfo == null) { 2196 continue; 2197 } 2198 2199 final String packageName = info.activityInfo.packageName; 2200 2201 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2202 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2203 continue; 2204 } 2205 2206 if (requiredVerifier != null) { 2207 throw new RuntimeException("There can be only one required verifier"); 2208 } 2209 2210 requiredVerifier = packageName; 2211 } 2212 2213 return requiredVerifier; 2214 } 2215 2216 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2217 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2218 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2219 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2220 2221 ComponentName verifierComponentName = null; 2222 2223 int priority = -1000; 2224 final int N = receivers.size(); 2225 for (int i = 0; i < N; i++) { 2226 final ResolveInfo info = receivers.get(i); 2227 2228 if (info.activityInfo == null) { 2229 continue; 2230 } 2231 2232 final String packageName = info.activityInfo.packageName; 2233 2234 final PackageSetting ps = mSettings.mPackages.get(packageName); 2235 if (ps == null) { 2236 continue; 2237 } 2238 2239 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2240 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2241 continue; 2242 } 2243 2244 // Select the IntentFilterVerifier with the highest priority 2245 if (priority < info.priority) { 2246 priority = info.priority; 2247 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2248 Slog.d(TAG, "Selecting IntentFilterVerifier: " + verifierComponentName + 2249 " with priority: " + info.priority); 2250 } 2251 } 2252 2253 return verifierComponentName; 2254 } 2255 2256 @Override 2257 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2258 throws RemoteException { 2259 try { 2260 return super.onTransact(code, data, reply, flags); 2261 } catch (RuntimeException e) { 2262 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2263 Slog.wtf(TAG, "Package Manager Crash", e); 2264 } 2265 throw e; 2266 } 2267 } 2268 2269 void cleanupInstallFailedPackage(PackageSetting ps) { 2270 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2271 2272 removeDataDirsLI(ps.name); 2273 if (ps.codePath != null) { 2274 if (ps.codePath.isDirectory()) { 2275 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2276 } else { 2277 ps.codePath.delete(); 2278 } 2279 } 2280 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2281 if (ps.resourcePath.isDirectory()) { 2282 FileUtils.deleteContents(ps.resourcePath); 2283 } 2284 ps.resourcePath.delete(); 2285 } 2286 mSettings.removePackageLPw(ps.name); 2287 } 2288 2289 static int[] appendInts(int[] cur, int[] add) { 2290 if (add == null) return cur; 2291 if (cur == null) return add; 2292 final int N = add.length; 2293 for (int i=0; i<N; i++) { 2294 cur = appendInt(cur, add[i]); 2295 } 2296 return cur; 2297 } 2298 2299 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2300 if (!sUserManager.exists(userId)) return null; 2301 final PackageSetting ps = (PackageSetting) p.mExtras; 2302 if (ps == null) { 2303 return null; 2304 } 2305 2306 final PermissionsState permissionsState = ps.getPermissionsState(); 2307 2308 final int[] gids = permissionsState.computeGids(userId); 2309 final Set<String> permissions = permissionsState.getPermissions(userId); 2310 final PackageUserState state = ps.readUserState(userId); 2311 2312 return PackageParser.generatePackageInfo(p, gids, flags, 2313 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2314 } 2315 2316 @Override 2317 public boolean isPackageAvailable(String packageName, int userId) { 2318 if (!sUserManager.exists(userId)) return false; 2319 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2320 synchronized (mPackages) { 2321 PackageParser.Package p = mPackages.get(packageName); 2322 if (p != null) { 2323 final PackageSetting ps = (PackageSetting) p.mExtras; 2324 if (ps != null) { 2325 final PackageUserState state = ps.readUserState(userId); 2326 if (state != null) { 2327 return PackageParser.isAvailable(state); 2328 } 2329 } 2330 } 2331 } 2332 return false; 2333 } 2334 2335 @Override 2336 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2337 if (!sUserManager.exists(userId)) return null; 2338 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2339 // reader 2340 synchronized (mPackages) { 2341 PackageParser.Package p = mPackages.get(packageName); 2342 if (DEBUG_PACKAGE_INFO) 2343 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2344 if (p != null) { 2345 return generatePackageInfo(p, flags, userId); 2346 } 2347 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2348 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2349 } 2350 } 2351 return null; 2352 } 2353 2354 @Override 2355 public String[] currentToCanonicalPackageNames(String[] names) { 2356 String[] out = new String[names.length]; 2357 // reader 2358 synchronized (mPackages) { 2359 for (int i=names.length-1; i>=0; i--) { 2360 PackageSetting ps = mSettings.mPackages.get(names[i]); 2361 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2362 } 2363 } 2364 return out; 2365 } 2366 2367 @Override 2368 public String[] canonicalToCurrentPackageNames(String[] names) { 2369 String[] out = new String[names.length]; 2370 // reader 2371 synchronized (mPackages) { 2372 for (int i=names.length-1; i>=0; i--) { 2373 String cur = mSettings.mRenamedPackages.get(names[i]); 2374 out[i] = cur != null ? cur : names[i]; 2375 } 2376 } 2377 return out; 2378 } 2379 2380 @Override 2381 public int getPackageUid(String packageName, int userId) { 2382 if (!sUserManager.exists(userId)) return -1; 2383 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2384 2385 // reader 2386 synchronized (mPackages) { 2387 PackageParser.Package p = mPackages.get(packageName); 2388 if(p != null) { 2389 return UserHandle.getUid(userId, p.applicationInfo.uid); 2390 } 2391 PackageSetting ps = mSettings.mPackages.get(packageName); 2392 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2393 return -1; 2394 } 2395 p = ps.pkg; 2396 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2397 } 2398 } 2399 2400 @Override 2401 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2402 if (!sUserManager.exists(userId)) { 2403 return null; 2404 } 2405 2406 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2407 "getPackageGids"); 2408 2409 // reader 2410 synchronized (mPackages) { 2411 PackageParser.Package p = mPackages.get(packageName); 2412 if (DEBUG_PACKAGE_INFO) { 2413 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2414 } 2415 if (p != null) { 2416 PackageSetting ps = (PackageSetting) p.mExtras; 2417 return ps.getPermissionsState().computeGids(userId); 2418 } 2419 } 2420 2421 return null; 2422 } 2423 2424 static PermissionInfo generatePermissionInfo( 2425 BasePermission bp, int flags) { 2426 if (bp.perm != null) { 2427 return PackageParser.generatePermissionInfo(bp.perm, flags); 2428 } 2429 PermissionInfo pi = new PermissionInfo(); 2430 pi.name = bp.name; 2431 pi.packageName = bp.sourcePackage; 2432 pi.nonLocalizedLabel = bp.name; 2433 pi.protectionLevel = bp.protectionLevel; 2434 return pi; 2435 } 2436 2437 @Override 2438 public PermissionInfo getPermissionInfo(String name, int flags) { 2439 // reader 2440 synchronized (mPackages) { 2441 final BasePermission p = mSettings.mPermissions.get(name); 2442 if (p != null) { 2443 return generatePermissionInfo(p, flags); 2444 } 2445 return null; 2446 } 2447 } 2448 2449 @Override 2450 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2451 // reader 2452 synchronized (mPackages) { 2453 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2454 for (BasePermission p : mSettings.mPermissions.values()) { 2455 if (group == null) { 2456 if (p.perm == null || p.perm.info.group == null) { 2457 out.add(generatePermissionInfo(p, flags)); 2458 } 2459 } else { 2460 if (p.perm != null && group.equals(p.perm.info.group)) { 2461 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2462 } 2463 } 2464 } 2465 2466 if (out.size() > 0) { 2467 return out; 2468 } 2469 return mPermissionGroups.containsKey(group) ? out : null; 2470 } 2471 } 2472 2473 @Override 2474 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2475 // reader 2476 synchronized (mPackages) { 2477 return PackageParser.generatePermissionGroupInfo( 2478 mPermissionGroups.get(name), flags); 2479 } 2480 } 2481 2482 @Override 2483 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2484 // reader 2485 synchronized (mPackages) { 2486 final int N = mPermissionGroups.size(); 2487 ArrayList<PermissionGroupInfo> out 2488 = new ArrayList<PermissionGroupInfo>(N); 2489 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2490 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2491 } 2492 return out; 2493 } 2494 } 2495 2496 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2497 int userId) { 2498 if (!sUserManager.exists(userId)) return null; 2499 PackageSetting ps = mSettings.mPackages.get(packageName); 2500 if (ps != null) { 2501 if (ps.pkg == null) { 2502 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2503 flags, userId); 2504 if (pInfo != null) { 2505 return pInfo.applicationInfo; 2506 } 2507 return null; 2508 } 2509 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2510 ps.readUserState(userId), userId); 2511 } 2512 return null; 2513 } 2514 2515 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2516 int userId) { 2517 if (!sUserManager.exists(userId)) return null; 2518 PackageSetting ps = mSettings.mPackages.get(packageName); 2519 if (ps != null) { 2520 PackageParser.Package pkg = ps.pkg; 2521 if (pkg == null) { 2522 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2523 return null; 2524 } 2525 // Only data remains, so we aren't worried about code paths 2526 pkg = new PackageParser.Package(packageName); 2527 pkg.applicationInfo.packageName = packageName; 2528 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2529 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2530 pkg.applicationInfo.dataDir = 2531 getDataPathForPackage(packageName, 0).getPath(); 2532 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2533 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2534 } 2535 return generatePackageInfo(pkg, flags, userId); 2536 } 2537 return null; 2538 } 2539 2540 @Override 2541 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2542 if (!sUserManager.exists(userId)) return null; 2543 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2544 // writer 2545 synchronized (mPackages) { 2546 PackageParser.Package p = mPackages.get(packageName); 2547 if (DEBUG_PACKAGE_INFO) Log.v( 2548 TAG, "getApplicationInfo " + packageName 2549 + ": " + p); 2550 if (p != null) { 2551 PackageSetting ps = mSettings.mPackages.get(packageName); 2552 if (ps == null) return null; 2553 // Note: isEnabledLP() does not apply here - always return info 2554 return PackageParser.generateApplicationInfo( 2555 p, flags, ps.readUserState(userId), userId); 2556 } 2557 if ("android".equals(packageName)||"system".equals(packageName)) { 2558 return mAndroidApplication; 2559 } 2560 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2561 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2562 } 2563 } 2564 return null; 2565 } 2566 2567 2568 @Override 2569 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2570 mContext.enforceCallingOrSelfPermission( 2571 android.Manifest.permission.CLEAR_APP_CACHE, null); 2572 // Queue up an async operation since clearing cache may take a little while. 2573 mHandler.post(new Runnable() { 2574 public void run() { 2575 mHandler.removeCallbacks(this); 2576 int retCode = -1; 2577 synchronized (mInstallLock) { 2578 retCode = mInstaller.freeCache(freeStorageSize); 2579 if (retCode < 0) { 2580 Slog.w(TAG, "Couldn't clear application caches"); 2581 } 2582 } 2583 if (observer != null) { 2584 try { 2585 observer.onRemoveCompleted(null, (retCode >= 0)); 2586 } catch (RemoteException e) { 2587 Slog.w(TAG, "RemoveException when invoking call back"); 2588 } 2589 } 2590 } 2591 }); 2592 } 2593 2594 @Override 2595 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2596 mContext.enforceCallingOrSelfPermission( 2597 android.Manifest.permission.CLEAR_APP_CACHE, null); 2598 // Queue up an async operation since clearing cache may take a little while. 2599 mHandler.post(new Runnable() { 2600 public void run() { 2601 mHandler.removeCallbacks(this); 2602 int retCode = -1; 2603 synchronized (mInstallLock) { 2604 retCode = mInstaller.freeCache(freeStorageSize); 2605 if (retCode < 0) { 2606 Slog.w(TAG, "Couldn't clear application caches"); 2607 } 2608 } 2609 if(pi != null) { 2610 try { 2611 // Callback via pending intent 2612 int code = (retCode >= 0) ? 1 : 0; 2613 pi.sendIntent(null, code, null, 2614 null, null); 2615 } catch (SendIntentException e1) { 2616 Slog.i(TAG, "Failed to send pending intent"); 2617 } 2618 } 2619 } 2620 }); 2621 } 2622 2623 void freeStorage(long freeStorageSize) throws IOException { 2624 synchronized (mInstallLock) { 2625 if (mInstaller.freeCache(freeStorageSize) < 0) { 2626 throw new IOException("Failed to free enough space"); 2627 } 2628 } 2629 } 2630 2631 @Override 2632 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2633 if (!sUserManager.exists(userId)) return null; 2634 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2635 synchronized (mPackages) { 2636 PackageParser.Activity a = mActivities.mActivities.get(component); 2637 2638 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2639 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2640 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2641 if (ps == null) return null; 2642 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2643 userId); 2644 } 2645 if (mResolveComponentName.equals(component)) { 2646 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2647 new PackageUserState(), userId); 2648 } 2649 } 2650 return null; 2651 } 2652 2653 @Override 2654 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2655 String resolvedType) { 2656 synchronized (mPackages) { 2657 PackageParser.Activity a = mActivities.mActivities.get(component); 2658 if (a == null) { 2659 return false; 2660 } 2661 for (int i=0; i<a.intents.size(); i++) { 2662 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2663 intent.getData(), intent.getCategories(), TAG) >= 0) { 2664 return true; 2665 } 2666 } 2667 return false; 2668 } 2669 } 2670 2671 @Override 2672 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2673 if (!sUserManager.exists(userId)) return null; 2674 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2675 synchronized (mPackages) { 2676 PackageParser.Activity a = mReceivers.mActivities.get(component); 2677 if (DEBUG_PACKAGE_INFO) Log.v( 2678 TAG, "getReceiverInfo " + component + ": " + a); 2679 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2680 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2681 if (ps == null) return null; 2682 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2683 userId); 2684 } 2685 } 2686 return null; 2687 } 2688 2689 @Override 2690 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2691 if (!sUserManager.exists(userId)) return null; 2692 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2693 synchronized (mPackages) { 2694 PackageParser.Service s = mServices.mServices.get(component); 2695 if (DEBUG_PACKAGE_INFO) Log.v( 2696 TAG, "getServiceInfo " + component + ": " + s); 2697 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2698 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2699 if (ps == null) return null; 2700 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2701 userId); 2702 } 2703 } 2704 return null; 2705 } 2706 2707 @Override 2708 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2709 if (!sUserManager.exists(userId)) return null; 2710 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2711 synchronized (mPackages) { 2712 PackageParser.Provider p = mProviders.mProviders.get(component); 2713 if (DEBUG_PACKAGE_INFO) Log.v( 2714 TAG, "getProviderInfo " + component + ": " + p); 2715 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2716 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2717 if (ps == null) return null; 2718 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2719 userId); 2720 } 2721 } 2722 return null; 2723 } 2724 2725 @Override 2726 public String[] getSystemSharedLibraryNames() { 2727 Set<String> libSet; 2728 synchronized (mPackages) { 2729 libSet = mSharedLibraries.keySet(); 2730 int size = libSet.size(); 2731 if (size > 0) { 2732 String[] libs = new String[size]; 2733 libSet.toArray(libs); 2734 return libs; 2735 } 2736 } 2737 return null; 2738 } 2739 2740 /** 2741 * @hide 2742 */ 2743 PackageParser.Package findSharedNonSystemLibrary(String libName) { 2744 synchronized (mPackages) { 2745 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 2746 if (lib != null && lib.apk != null) { 2747 return mPackages.get(lib.apk); 2748 } 2749 } 2750 return null; 2751 } 2752 2753 @Override 2754 public FeatureInfo[] getSystemAvailableFeatures() { 2755 Collection<FeatureInfo> featSet; 2756 synchronized (mPackages) { 2757 featSet = mAvailableFeatures.values(); 2758 int size = featSet.size(); 2759 if (size > 0) { 2760 FeatureInfo[] features = new FeatureInfo[size+1]; 2761 featSet.toArray(features); 2762 FeatureInfo fi = new FeatureInfo(); 2763 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2764 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2765 features[size] = fi; 2766 return features; 2767 } 2768 } 2769 return null; 2770 } 2771 2772 @Override 2773 public boolean hasSystemFeature(String name) { 2774 synchronized (mPackages) { 2775 return mAvailableFeatures.containsKey(name); 2776 } 2777 } 2778 2779 private void checkValidCaller(int uid, int userId) { 2780 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2781 return; 2782 2783 throw new SecurityException("Caller uid=" + uid 2784 + " is not privileged to communicate with user=" + userId); 2785 } 2786 2787 @Override 2788 public int checkPermission(String permName, String pkgName, int userId) { 2789 if (!sUserManager.exists(userId)) { 2790 return PackageManager.PERMISSION_DENIED; 2791 } 2792 2793 synchronized (mPackages) { 2794 final PackageParser.Package p = mPackages.get(pkgName); 2795 if (p != null && p.mExtras != null) { 2796 final PackageSetting ps = (PackageSetting) p.mExtras; 2797 if (ps.getPermissionsState().hasPermission(permName, userId)) { 2798 return PackageManager.PERMISSION_GRANTED; 2799 } 2800 } 2801 } 2802 2803 return PackageManager.PERMISSION_DENIED; 2804 } 2805 2806 @Override 2807 public int checkUidPermission(String permName, int uid) { 2808 final int userId = UserHandle.getUserId(uid); 2809 2810 if (!sUserManager.exists(userId)) { 2811 return PackageManager.PERMISSION_DENIED; 2812 } 2813 2814 synchronized (mPackages) { 2815 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2816 if (obj != null) { 2817 final SettingBase ps = (SettingBase) obj; 2818 if (ps.getPermissionsState().hasPermission(permName, userId)) { 2819 return PackageManager.PERMISSION_GRANTED; 2820 } 2821 } else { 2822 ArraySet<String> perms = mSystemPermissions.get(uid); 2823 if (perms != null && perms.contains(permName)) { 2824 return PackageManager.PERMISSION_GRANTED; 2825 } 2826 } 2827 } 2828 2829 return PackageManager.PERMISSION_DENIED; 2830 } 2831 2832 /** 2833 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2834 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2835 * @param checkShell TODO(yamasani): 2836 * @param message the message to log on security exception 2837 */ 2838 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2839 boolean checkShell, String message) { 2840 if (userId < 0) { 2841 throw new IllegalArgumentException("Invalid userId " + userId); 2842 } 2843 if (checkShell) { 2844 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2845 } 2846 if (userId == UserHandle.getUserId(callingUid)) return; 2847 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2848 if (requireFullPermission) { 2849 mContext.enforceCallingOrSelfPermission( 2850 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2851 } else { 2852 try { 2853 mContext.enforceCallingOrSelfPermission( 2854 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2855 } catch (SecurityException se) { 2856 mContext.enforceCallingOrSelfPermission( 2857 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2858 } 2859 } 2860 } 2861 } 2862 2863 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2864 if (callingUid == Process.SHELL_UID) { 2865 if (userHandle >= 0 2866 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2867 throw new SecurityException("Shell does not have permission to access user " 2868 + userHandle); 2869 } else if (userHandle < 0) { 2870 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2871 + Debug.getCallers(3)); 2872 } 2873 } 2874 } 2875 2876 private BasePermission findPermissionTreeLP(String permName) { 2877 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2878 if (permName.startsWith(bp.name) && 2879 permName.length() > bp.name.length() && 2880 permName.charAt(bp.name.length()) == '.') { 2881 return bp; 2882 } 2883 } 2884 return null; 2885 } 2886 2887 private BasePermission checkPermissionTreeLP(String permName) { 2888 if (permName != null) { 2889 BasePermission bp = findPermissionTreeLP(permName); 2890 if (bp != null) { 2891 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2892 return bp; 2893 } 2894 throw new SecurityException("Calling uid " 2895 + Binder.getCallingUid() 2896 + " is not allowed to add to permission tree " 2897 + bp.name + " owned by uid " + bp.uid); 2898 } 2899 } 2900 throw new SecurityException("No permission tree found for " + permName); 2901 } 2902 2903 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2904 if (s1 == null) { 2905 return s2 == null; 2906 } 2907 if (s2 == null) { 2908 return false; 2909 } 2910 if (s1.getClass() != s2.getClass()) { 2911 return false; 2912 } 2913 return s1.equals(s2); 2914 } 2915 2916 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2917 if (pi1.icon != pi2.icon) return false; 2918 if (pi1.logo != pi2.logo) return false; 2919 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2920 if (!compareStrings(pi1.name, pi2.name)) return false; 2921 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2922 // We'll take care of setting this one. 2923 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2924 // These are not currently stored in settings. 2925 //if (!compareStrings(pi1.group, pi2.group)) return false; 2926 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2927 //if (pi1.labelRes != pi2.labelRes) return false; 2928 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2929 return true; 2930 } 2931 2932 int permissionInfoFootprint(PermissionInfo info) { 2933 int size = info.name.length(); 2934 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2935 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2936 return size; 2937 } 2938 2939 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2940 int size = 0; 2941 for (BasePermission perm : mSettings.mPermissions.values()) { 2942 if (perm.uid == tree.uid) { 2943 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2944 } 2945 } 2946 return size; 2947 } 2948 2949 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2950 // We calculate the max size of permissions defined by this uid and throw 2951 // if that plus the size of 'info' would exceed our stated maximum. 2952 if (tree.uid != Process.SYSTEM_UID) { 2953 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2954 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2955 throw new SecurityException("Permission tree size cap exceeded"); 2956 } 2957 } 2958 } 2959 2960 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2961 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2962 throw new SecurityException("Label must be specified in permission"); 2963 } 2964 BasePermission tree = checkPermissionTreeLP(info.name); 2965 BasePermission bp = mSettings.mPermissions.get(info.name); 2966 boolean added = bp == null; 2967 boolean changed = true; 2968 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2969 if (added) { 2970 enforcePermissionCapLocked(info, tree); 2971 bp = new BasePermission(info.name, tree.sourcePackage, 2972 BasePermission.TYPE_DYNAMIC); 2973 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2974 throw new SecurityException( 2975 "Not allowed to modify non-dynamic permission " 2976 + info.name); 2977 } else { 2978 if (bp.protectionLevel == fixedLevel 2979 && bp.perm.owner.equals(tree.perm.owner) 2980 && bp.uid == tree.uid 2981 && comparePermissionInfos(bp.perm.info, info)) { 2982 changed = false; 2983 } 2984 } 2985 bp.protectionLevel = fixedLevel; 2986 info = new PermissionInfo(info); 2987 info.protectionLevel = fixedLevel; 2988 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2989 bp.perm.info.packageName = tree.perm.info.packageName; 2990 bp.uid = tree.uid; 2991 if (added) { 2992 mSettings.mPermissions.put(info.name, bp); 2993 } 2994 if (changed) { 2995 if (!async) { 2996 mSettings.writeLPr(); 2997 } else { 2998 scheduleWriteSettingsLocked(); 2999 } 3000 } 3001 return added; 3002 } 3003 3004 @Override 3005 public boolean addPermission(PermissionInfo info) { 3006 synchronized (mPackages) { 3007 return addPermissionLocked(info, false); 3008 } 3009 } 3010 3011 @Override 3012 public boolean addPermissionAsync(PermissionInfo info) { 3013 synchronized (mPackages) { 3014 return addPermissionLocked(info, true); 3015 } 3016 } 3017 3018 @Override 3019 public void removePermission(String name) { 3020 synchronized (mPackages) { 3021 checkPermissionTreeLP(name); 3022 BasePermission bp = mSettings.mPermissions.get(name); 3023 if (bp != null) { 3024 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3025 throw new SecurityException( 3026 "Not allowed to modify non-dynamic permission " 3027 + name); 3028 } 3029 mSettings.mPermissions.remove(name); 3030 mSettings.writeLPr(); 3031 } 3032 } 3033 } 3034 3035 private static void enforceDeclaredAsUsedAndRuntimePermission(PackageParser.Package pkg, 3036 BasePermission bp) { 3037 int index = pkg.requestedPermissions.indexOf(bp.name); 3038 if (index == -1) { 3039 throw new SecurityException("Package " + pkg.packageName 3040 + " has not requested permission " + bp.name); 3041 } 3042 if (!bp.isRuntime()) { 3043 throw new SecurityException("Permission " + bp.name 3044 + " is not a changeable permission type"); 3045 } 3046 } 3047 3048 @Override 3049 public boolean grantPermission(String packageName, String name, int userId) { 3050 if (!RUNTIME_PERMISSIONS_ENABLED) { 3051 return false; 3052 } 3053 3054 if (!sUserManager.exists(userId)) { 3055 return false; 3056 } 3057 3058 mContext.enforceCallingOrSelfPermission( 3059 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3060 "grantPermission"); 3061 3062 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3063 "grantPermission"); 3064 3065 boolean gidsChanged = false; 3066 final SettingBase sb; 3067 3068 synchronized (mPackages) { 3069 final PackageParser.Package pkg = mPackages.get(packageName); 3070 if (pkg == null) { 3071 throw new IllegalArgumentException("Unknown package: " + packageName); 3072 } 3073 3074 final BasePermission bp = mSettings.mPermissions.get(name); 3075 if (bp == null) { 3076 throw new IllegalArgumentException("Unknown permission: " + name); 3077 } 3078 3079 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 3080 3081 sb = (SettingBase) pkg.mExtras; 3082 if (sb == null) { 3083 throw new IllegalArgumentException("Unknown package: " + packageName); 3084 } 3085 3086 final PermissionsState permissionsState = sb.getPermissionsState(); 3087 3088 final int result = permissionsState.grantRuntimePermission(bp, userId); 3089 switch (result) { 3090 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3091 return false; 3092 } 3093 3094 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3095 gidsChanged = true; 3096 } break; 3097 } 3098 3099 // Not critical if that is lost - app has to request again. 3100 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3101 } 3102 3103 if (gidsChanged) { 3104 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_GIDS_CHANGED); 3105 } 3106 3107 return true; 3108 } 3109 3110 @Override 3111 public boolean revokePermission(String packageName, String name, int userId) { 3112 if (!RUNTIME_PERMISSIONS_ENABLED) { 3113 return false; 3114 } 3115 3116 if (!sUserManager.exists(userId)) { 3117 return false; 3118 } 3119 3120 mContext.enforceCallingOrSelfPermission( 3121 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3122 "revokePermission"); 3123 3124 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3125 "revokePermission"); 3126 3127 final SettingBase sb; 3128 3129 synchronized (mPackages) { 3130 final PackageParser.Package pkg = mPackages.get(packageName); 3131 if (pkg == null) { 3132 throw new IllegalArgumentException("Unknown package: " + packageName); 3133 } 3134 3135 final BasePermission bp = mSettings.mPermissions.get(name); 3136 if (bp == null) { 3137 throw new IllegalArgumentException("Unknown permission: " + name); 3138 } 3139 3140 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 3141 3142 sb = (SettingBase) pkg.mExtras; 3143 if (sb == null) { 3144 throw new IllegalArgumentException("Unknown package: " + packageName); 3145 } 3146 3147 final PermissionsState permissionsState = sb.getPermissionsState(); 3148 3149 if (permissionsState.revokeRuntimePermission(bp, userId) == 3150 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3151 return false; 3152 } 3153 3154 // Critical, after this call all should never have the permission. 3155 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3156 } 3157 3158 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3159 3160 return true; 3161 } 3162 3163 @Override 3164 public boolean isProtectedBroadcast(String actionName) { 3165 synchronized (mPackages) { 3166 return mProtectedBroadcasts.contains(actionName); 3167 } 3168 } 3169 3170 @Override 3171 public int checkSignatures(String pkg1, String pkg2) { 3172 synchronized (mPackages) { 3173 final PackageParser.Package p1 = mPackages.get(pkg1); 3174 final PackageParser.Package p2 = mPackages.get(pkg2); 3175 if (p1 == null || p1.mExtras == null 3176 || p2 == null || p2.mExtras == null) { 3177 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3178 } 3179 return compareSignatures(p1.mSignatures, p2.mSignatures); 3180 } 3181 } 3182 3183 @Override 3184 public int checkUidSignatures(int uid1, int uid2) { 3185 // Map to base uids. 3186 uid1 = UserHandle.getAppId(uid1); 3187 uid2 = UserHandle.getAppId(uid2); 3188 // reader 3189 synchronized (mPackages) { 3190 Signature[] s1; 3191 Signature[] s2; 3192 Object obj = mSettings.getUserIdLPr(uid1); 3193 if (obj != null) { 3194 if (obj instanceof SharedUserSetting) { 3195 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3196 } else if (obj instanceof PackageSetting) { 3197 s1 = ((PackageSetting)obj).signatures.mSignatures; 3198 } else { 3199 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3200 } 3201 } else { 3202 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3203 } 3204 obj = mSettings.getUserIdLPr(uid2); 3205 if (obj != null) { 3206 if (obj instanceof SharedUserSetting) { 3207 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3208 } else if (obj instanceof PackageSetting) { 3209 s2 = ((PackageSetting)obj).signatures.mSignatures; 3210 } else { 3211 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3212 } 3213 } else { 3214 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3215 } 3216 return compareSignatures(s1, s2); 3217 } 3218 } 3219 3220 private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) { 3221 final long identity = Binder.clearCallingIdentity(); 3222 try { 3223 if (sb instanceof SharedUserSetting) { 3224 SharedUserSetting sus = (SharedUserSetting) sb; 3225 final int packageCount = sus.packages.size(); 3226 for (int i = 0; i < packageCount; i++) { 3227 PackageSetting susPs = sus.packages.valueAt(i); 3228 if (userId == UserHandle.USER_ALL) { 3229 killApplication(susPs.pkg.packageName, susPs.appId, reason); 3230 } else { 3231 final int uid = UserHandle.getUid(userId, susPs.appId); 3232 killUid(uid, reason); 3233 } 3234 } 3235 } else if (sb instanceof PackageSetting) { 3236 PackageSetting ps = (PackageSetting) sb; 3237 if (userId == UserHandle.USER_ALL) { 3238 killApplication(ps.pkg.packageName, ps.appId, reason); 3239 } else { 3240 final int uid = UserHandle.getUid(userId, ps.appId); 3241 killUid(uid, reason); 3242 } 3243 } 3244 } finally { 3245 Binder.restoreCallingIdentity(identity); 3246 } 3247 } 3248 3249 private static void killUid(int uid, String reason) { 3250 IActivityManager am = ActivityManagerNative.getDefault(); 3251 if (am != null) { 3252 try { 3253 am.killUid(uid, reason); 3254 } catch (RemoteException e) { 3255 /* ignore - same process */ 3256 } 3257 } 3258 } 3259 3260 /** 3261 * Compares two sets of signatures. Returns: 3262 * <br /> 3263 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3264 * <br /> 3265 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3266 * <br /> 3267 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3268 * <br /> 3269 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3270 * <br /> 3271 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3272 */ 3273 static int compareSignatures(Signature[] s1, Signature[] s2) { 3274 if (s1 == null) { 3275 return s2 == null 3276 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3277 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3278 } 3279 3280 if (s2 == null) { 3281 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3282 } 3283 3284 if (s1.length != s2.length) { 3285 return PackageManager.SIGNATURE_NO_MATCH; 3286 } 3287 3288 // Since both signature sets are of size 1, we can compare without HashSets. 3289 if (s1.length == 1) { 3290 return s1[0].equals(s2[0]) ? 3291 PackageManager.SIGNATURE_MATCH : 3292 PackageManager.SIGNATURE_NO_MATCH; 3293 } 3294 3295 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3296 for (Signature sig : s1) { 3297 set1.add(sig); 3298 } 3299 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3300 for (Signature sig : s2) { 3301 set2.add(sig); 3302 } 3303 // Make sure s2 contains all signatures in s1. 3304 if (set1.equals(set2)) { 3305 return PackageManager.SIGNATURE_MATCH; 3306 } 3307 return PackageManager.SIGNATURE_NO_MATCH; 3308 } 3309 3310 /** 3311 * If the database version for this type of package (internal storage or 3312 * external storage) is less than the version where package signatures 3313 * were updated, return true. 3314 */ 3315 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3316 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 3317 DatabaseVersion.SIGNATURE_END_ENTITY)) 3318 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 3319 DatabaseVersion.SIGNATURE_END_ENTITY)); 3320 } 3321 3322 /** 3323 * Used for backward compatibility to make sure any packages with 3324 * certificate chains get upgraded to the new style. {@code existingSigs} 3325 * will be in the old format (since they were stored on disk from before the 3326 * system upgrade) and {@code scannedSigs} will be in the newer format. 3327 */ 3328 private int compareSignaturesCompat(PackageSignatures existingSigs, 3329 PackageParser.Package scannedPkg) { 3330 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 3331 return PackageManager.SIGNATURE_NO_MATCH; 3332 } 3333 3334 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 3335 for (Signature sig : existingSigs.mSignatures) { 3336 existingSet.add(sig); 3337 } 3338 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 3339 for (Signature sig : scannedPkg.mSignatures) { 3340 try { 3341 Signature[] chainSignatures = sig.getChainSignatures(); 3342 for (Signature chainSig : chainSignatures) { 3343 scannedCompatSet.add(chainSig); 3344 } 3345 } catch (CertificateEncodingException e) { 3346 scannedCompatSet.add(sig); 3347 } 3348 } 3349 /* 3350 * Make sure the expanded scanned set contains all signatures in the 3351 * existing one. 3352 */ 3353 if (scannedCompatSet.equals(existingSet)) { 3354 // Migrate the old signatures to the new scheme. 3355 existingSigs.assignSignatures(scannedPkg.mSignatures); 3356 // The new KeySets will be re-added later in the scanning process. 3357 synchronized (mPackages) { 3358 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 3359 } 3360 return PackageManager.SIGNATURE_MATCH; 3361 } 3362 return PackageManager.SIGNATURE_NO_MATCH; 3363 } 3364 3365 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3366 if (isExternal(scannedPkg)) { 3367 return mSettings.isExternalDatabaseVersionOlderThan( 3368 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3369 } else { 3370 return mSettings.isInternalDatabaseVersionOlderThan( 3371 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3372 } 3373 } 3374 3375 private int compareSignaturesRecover(PackageSignatures existingSigs, 3376 PackageParser.Package scannedPkg) { 3377 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 3378 return PackageManager.SIGNATURE_NO_MATCH; 3379 } 3380 3381 String msg = null; 3382 try { 3383 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 3384 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 3385 + scannedPkg.packageName); 3386 return PackageManager.SIGNATURE_MATCH; 3387 } 3388 } catch (CertificateException e) { 3389 msg = e.getMessage(); 3390 } 3391 3392 logCriticalInfo(Log.INFO, 3393 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 3394 return PackageManager.SIGNATURE_NO_MATCH; 3395 } 3396 3397 @Override 3398 public String[] getPackagesForUid(int uid) { 3399 uid = UserHandle.getAppId(uid); 3400 // reader 3401 synchronized (mPackages) { 3402 Object obj = mSettings.getUserIdLPr(uid); 3403 if (obj instanceof SharedUserSetting) { 3404 final SharedUserSetting sus = (SharedUserSetting) obj; 3405 final int N = sus.packages.size(); 3406 final String[] res = new String[N]; 3407 final Iterator<PackageSetting> it = sus.packages.iterator(); 3408 int i = 0; 3409 while (it.hasNext()) { 3410 res[i++] = it.next().name; 3411 } 3412 return res; 3413 } else if (obj instanceof PackageSetting) { 3414 final PackageSetting ps = (PackageSetting) obj; 3415 return new String[] { ps.name }; 3416 } 3417 } 3418 return null; 3419 } 3420 3421 @Override 3422 public String getNameForUid(int uid) { 3423 // reader 3424 synchronized (mPackages) { 3425 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3426 if (obj instanceof SharedUserSetting) { 3427 final SharedUserSetting sus = (SharedUserSetting) obj; 3428 return sus.name + ":" + sus.userId; 3429 } else if (obj instanceof PackageSetting) { 3430 final PackageSetting ps = (PackageSetting) obj; 3431 return ps.name; 3432 } 3433 } 3434 return null; 3435 } 3436 3437 @Override 3438 public int getUidForSharedUser(String sharedUserName) { 3439 if(sharedUserName == null) { 3440 return -1; 3441 } 3442 // reader 3443 synchronized (mPackages) { 3444 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 3445 if (suid == null) { 3446 return -1; 3447 } 3448 return suid.userId; 3449 } 3450 } 3451 3452 @Override 3453 public int getFlagsForUid(int uid) { 3454 synchronized (mPackages) { 3455 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3456 if (obj instanceof SharedUserSetting) { 3457 final SharedUserSetting sus = (SharedUserSetting) obj; 3458 return sus.pkgFlags; 3459 } else if (obj instanceof PackageSetting) { 3460 final PackageSetting ps = (PackageSetting) obj; 3461 return ps.pkgFlags; 3462 } 3463 } 3464 return 0; 3465 } 3466 3467 @Override 3468 public int getPrivateFlagsForUid(int uid) { 3469 synchronized (mPackages) { 3470 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3471 if (obj instanceof SharedUserSetting) { 3472 final SharedUserSetting sus = (SharedUserSetting) obj; 3473 return sus.pkgPrivateFlags; 3474 } else if (obj instanceof PackageSetting) { 3475 final PackageSetting ps = (PackageSetting) obj; 3476 return ps.pkgPrivateFlags; 3477 } 3478 } 3479 return 0; 3480 } 3481 3482 @Override 3483 public boolean isUidPrivileged(int uid) { 3484 uid = UserHandle.getAppId(uid); 3485 // reader 3486 synchronized (mPackages) { 3487 Object obj = mSettings.getUserIdLPr(uid); 3488 if (obj instanceof SharedUserSetting) { 3489 final SharedUserSetting sus = (SharedUserSetting) obj; 3490 final Iterator<PackageSetting> it = sus.packages.iterator(); 3491 while (it.hasNext()) { 3492 if (it.next().isPrivileged()) { 3493 return true; 3494 } 3495 } 3496 } else if (obj instanceof PackageSetting) { 3497 final PackageSetting ps = (PackageSetting) obj; 3498 return ps.isPrivileged(); 3499 } 3500 } 3501 return false; 3502 } 3503 3504 @Override 3505 public String[] getAppOpPermissionPackages(String permissionName) { 3506 synchronized (mPackages) { 3507 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3508 if (pkgs == null) { 3509 return null; 3510 } 3511 return pkgs.toArray(new String[pkgs.size()]); 3512 } 3513 } 3514 3515 @Override 3516 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3517 int flags, int userId) { 3518 if (!sUserManager.exists(userId)) return null; 3519 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3520 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3521 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3522 } 3523 3524 @Override 3525 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3526 IntentFilter filter, int match, ComponentName activity) { 3527 final int userId = UserHandle.getCallingUserId(); 3528 if (DEBUG_PREFERRED) { 3529 Log.v(TAG, "setLastChosenActivity intent=" + intent 3530 + " resolvedType=" + resolvedType 3531 + " flags=" + flags 3532 + " filter=" + filter 3533 + " match=" + match 3534 + " activity=" + activity); 3535 filter.dump(new PrintStreamPrinter(System.out), " "); 3536 } 3537 intent.setComponent(null); 3538 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3539 // Find any earlier preferred or last chosen entries and nuke them 3540 findPreferredActivity(intent, resolvedType, 3541 flags, query, 0, false, true, false, userId); 3542 // Add the new activity as the last chosen for this filter 3543 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3544 "Setting last chosen"); 3545 } 3546 3547 @Override 3548 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3549 final int userId = UserHandle.getCallingUserId(); 3550 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3551 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3552 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3553 false, false, false, userId); 3554 } 3555 3556 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3557 int flags, List<ResolveInfo> query, int userId) { 3558 if (query != null) { 3559 final int N = query.size(); 3560 if (N == 1) { 3561 return query.get(0); 3562 } else if (N > 1) { 3563 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3564 // If there is more than one activity with the same priority, 3565 // then let the user decide between them. 3566 ResolveInfo r0 = query.get(0); 3567 ResolveInfo r1 = query.get(1); 3568 if (DEBUG_INTENT_MATCHING || debug) { 3569 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3570 + r1.activityInfo.name + "=" + r1.priority); 3571 } 3572 // If the first activity has a higher priority, or a different 3573 // default, then it is always desireable to pick it. 3574 if (r0.priority != r1.priority 3575 || r0.preferredOrder != r1.preferredOrder 3576 || r0.isDefault != r1.isDefault) { 3577 return query.get(0); 3578 } 3579 // If we have saved a preference for a preferred activity for 3580 // this Intent, use that. 3581 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3582 flags, query, r0.priority, true, false, debug, userId); 3583 if (ri != null) { 3584 return ri; 3585 } 3586 if (userId != 0) { 3587 ri = new ResolveInfo(mResolveInfo); 3588 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3589 ri.activityInfo.applicationInfo = new ApplicationInfo( 3590 ri.activityInfo.applicationInfo); 3591 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3592 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3593 return ri; 3594 } 3595 return mResolveInfo; 3596 } 3597 } 3598 return null; 3599 } 3600 3601 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3602 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3603 final int N = query.size(); 3604 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3605 .get(userId); 3606 // Get the list of persistent preferred activities that handle the intent 3607 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3608 List<PersistentPreferredActivity> pprefs = ppir != null 3609 ? ppir.queryIntent(intent, resolvedType, 3610 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3611 : null; 3612 if (pprefs != null && pprefs.size() > 0) { 3613 final int M = pprefs.size(); 3614 for (int i=0; i<M; i++) { 3615 final PersistentPreferredActivity ppa = pprefs.get(i); 3616 if (DEBUG_PREFERRED || debug) { 3617 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3618 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3619 + "\n component=" + ppa.mComponent); 3620 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3621 } 3622 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3623 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3624 if (DEBUG_PREFERRED || debug) { 3625 Slog.v(TAG, "Found persistent preferred activity:"); 3626 if (ai != null) { 3627 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3628 } else { 3629 Slog.v(TAG, " null"); 3630 } 3631 } 3632 if (ai == null) { 3633 // This previously registered persistent preferred activity 3634 // component is no longer known. Ignore it and do NOT remove it. 3635 continue; 3636 } 3637 for (int j=0; j<N; j++) { 3638 final ResolveInfo ri = query.get(j); 3639 if (!ri.activityInfo.applicationInfo.packageName 3640 .equals(ai.applicationInfo.packageName)) { 3641 continue; 3642 } 3643 if (!ri.activityInfo.name.equals(ai.name)) { 3644 continue; 3645 } 3646 // Found a persistent preference that can handle the intent. 3647 if (DEBUG_PREFERRED || debug) { 3648 Slog.v(TAG, "Returning persistent preferred activity: " + 3649 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3650 } 3651 return ri; 3652 } 3653 } 3654 } 3655 return null; 3656 } 3657 3658 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3659 List<ResolveInfo> query, int priority, boolean always, 3660 boolean removeMatches, boolean debug, int userId) { 3661 if (!sUserManager.exists(userId)) return null; 3662 // writer 3663 synchronized (mPackages) { 3664 if (intent.getSelector() != null) { 3665 intent = intent.getSelector(); 3666 } 3667 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3668 3669 // Try to find a matching persistent preferred activity. 3670 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3671 debug, userId); 3672 3673 // If a persistent preferred activity matched, use it. 3674 if (pri != null) { 3675 return pri; 3676 } 3677 3678 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3679 // Get the list of preferred activities that handle the intent 3680 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3681 List<PreferredActivity> prefs = pir != null 3682 ? pir.queryIntent(intent, resolvedType, 3683 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3684 : null; 3685 if (prefs != null && prefs.size() > 0) { 3686 boolean changed = false; 3687 try { 3688 // First figure out how good the original match set is. 3689 // We will only allow preferred activities that came 3690 // from the same match quality. 3691 int match = 0; 3692 3693 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3694 3695 final int N = query.size(); 3696 for (int j=0; j<N; j++) { 3697 final ResolveInfo ri = query.get(j); 3698 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3699 + ": 0x" + Integer.toHexString(match)); 3700 if (ri.match > match) { 3701 match = ri.match; 3702 } 3703 } 3704 3705 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3706 + Integer.toHexString(match)); 3707 3708 match &= IntentFilter.MATCH_CATEGORY_MASK; 3709 final int M = prefs.size(); 3710 for (int i=0; i<M; i++) { 3711 final PreferredActivity pa = prefs.get(i); 3712 if (DEBUG_PREFERRED || debug) { 3713 Slog.v(TAG, "Checking PreferredActivity ds=" 3714 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3715 + "\n component=" + pa.mPref.mComponent); 3716 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3717 } 3718 if (pa.mPref.mMatch != match) { 3719 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3720 + Integer.toHexString(pa.mPref.mMatch)); 3721 continue; 3722 } 3723 // If it's not an "always" type preferred activity and that's what we're 3724 // looking for, skip it. 3725 if (always && !pa.mPref.mAlways) { 3726 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3727 continue; 3728 } 3729 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3730 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3731 if (DEBUG_PREFERRED || debug) { 3732 Slog.v(TAG, "Found preferred activity:"); 3733 if (ai != null) { 3734 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3735 } else { 3736 Slog.v(TAG, " null"); 3737 } 3738 } 3739 if (ai == null) { 3740 // This previously registered preferred activity 3741 // component is no longer known. Most likely an update 3742 // to the app was installed and in the new version this 3743 // component no longer exists. Clean it up by removing 3744 // it from the preferred activities list, and skip it. 3745 Slog.w(TAG, "Removing dangling preferred activity: " 3746 + pa.mPref.mComponent); 3747 pir.removeFilter(pa); 3748 changed = true; 3749 continue; 3750 } 3751 for (int j=0; j<N; j++) { 3752 final ResolveInfo ri = query.get(j); 3753 if (!ri.activityInfo.applicationInfo.packageName 3754 .equals(ai.applicationInfo.packageName)) { 3755 continue; 3756 } 3757 if (!ri.activityInfo.name.equals(ai.name)) { 3758 continue; 3759 } 3760 3761 if (removeMatches) { 3762 pir.removeFilter(pa); 3763 changed = true; 3764 if (DEBUG_PREFERRED) { 3765 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3766 } 3767 break; 3768 } 3769 3770 // Okay we found a previously set preferred or last chosen app. 3771 // If the result set is different from when this 3772 // was created, we need to clear it and re-ask the 3773 // user their preference, if we're looking for an "always" type entry. 3774 if (always && !pa.mPref.sameSet(query)) { 3775 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3776 + intent + " type " + resolvedType); 3777 if (DEBUG_PREFERRED) { 3778 Slog.v(TAG, "Removing preferred activity since set changed " 3779 + pa.mPref.mComponent); 3780 } 3781 pir.removeFilter(pa); 3782 // Re-add the filter as a "last chosen" entry (!always) 3783 PreferredActivity lastChosen = new PreferredActivity( 3784 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3785 pir.addFilter(lastChosen); 3786 changed = true; 3787 return null; 3788 } 3789 3790 // Yay! Either the set matched or we're looking for the last chosen 3791 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3792 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3793 return ri; 3794 } 3795 } 3796 } finally { 3797 if (changed) { 3798 if (DEBUG_PREFERRED) { 3799 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3800 } 3801 scheduleWritePackageRestrictionsLocked(userId); 3802 } 3803 } 3804 } 3805 } 3806 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3807 return null; 3808 } 3809 3810 /* 3811 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3812 */ 3813 @Override 3814 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3815 int targetUserId) { 3816 mContext.enforceCallingOrSelfPermission( 3817 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3818 List<CrossProfileIntentFilter> matches = 3819 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3820 if (matches != null) { 3821 int size = matches.size(); 3822 for (int i = 0; i < size; i++) { 3823 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3824 } 3825 } 3826 return false; 3827 } 3828 3829 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3830 String resolvedType, int userId) { 3831 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3832 if (resolver != null) { 3833 return resolver.queryIntent(intent, resolvedType, false, userId); 3834 } 3835 return null; 3836 } 3837 3838 @Override 3839 public List<ResolveInfo> queryIntentActivities(Intent intent, 3840 String resolvedType, int flags, int userId) { 3841 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3842 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3843 ComponentName comp = intent.getComponent(); 3844 if (comp == null) { 3845 if (intent.getSelector() != null) { 3846 intent = intent.getSelector(); 3847 comp = intent.getComponent(); 3848 } 3849 } 3850 3851 if (comp != null) { 3852 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3853 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3854 if (ai != null) { 3855 final ResolveInfo ri = new ResolveInfo(); 3856 ri.activityInfo = ai; 3857 list.add(ri); 3858 } 3859 return list; 3860 } 3861 3862 // reader 3863 synchronized (mPackages) { 3864 final String pkgName = intent.getPackage(); 3865 if (pkgName == null) { 3866 List<CrossProfileIntentFilter> matchingFilters = 3867 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3868 // Check for results that need to skip the current profile. 3869 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3870 resolvedType, flags, userId); 3871 if (resolveInfo != null) { 3872 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3873 result.add(resolveInfo); 3874 return filterIfNotPrimaryUser(result, userId); 3875 } 3876 // Check for cross profile results. 3877 resolveInfo = queryCrossProfileIntents( 3878 matchingFilters, intent, resolvedType, flags, userId); 3879 3880 // Check for results in the current profile. Adding GET_RESOLVED_FILTER flags 3881 // as we need it later 3882 List<ResolveInfo> result = mActivities.queryIntent( 3883 intent, resolvedType, flags, userId); 3884 if (resolveInfo != null) { 3885 result.add(resolveInfo); 3886 Collections.sort(result, mResolvePrioritySorter); 3887 } 3888 result = filterIfNotPrimaryUser(result, userId); 3889 if (result.size() > 1) { 3890 return filterCandidatesWithDomainPreferedActivitiesLPw(result); 3891 } 3892 3893 return result; 3894 } 3895 final PackageParser.Package pkg = mPackages.get(pkgName); 3896 if (pkg != null) { 3897 return filterIfNotPrimaryUser( 3898 mActivities.queryIntentForPackage( 3899 intent, resolvedType, flags, pkg.activities, userId), 3900 userId); 3901 } 3902 return new ArrayList<ResolveInfo>(); 3903 } 3904 } 3905 3906 /** 3907 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 3908 * 3909 * @return filtered list 3910 */ 3911 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 3912 if (userId == UserHandle.USER_OWNER) { 3913 return resolveInfos; 3914 } 3915 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 3916 ResolveInfo info = resolveInfos.get(i); 3917 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 3918 resolveInfos.remove(i); 3919 } 3920 } 3921 return resolveInfos; 3922 } 3923 3924 private List<ResolveInfo> filterCandidatesWithDomainPreferedActivitiesLPw( 3925 List<ResolveInfo> candidates) { 3926 if (DEBUG_PREFERRED) { 3927 Slog.v("TAG", "Filtering results with prefered activities. Candidates count: " + 3928 candidates.size()); 3929 } 3930 final int userId = UserHandle.getCallingUserId(); 3931 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(candidates); 3932 synchronized (mPackages) { 3933 final int count = result.size(); 3934 for (int n = count-1; n >= 0; n--) { 3935 ResolveInfo info = result.get(n); 3936 if (!info.filterNeedsVerification) { 3937 continue; 3938 } 3939 String packageName = info.activityInfo.packageName; 3940 PackageSetting ps = mSettings.mPackages.get(packageName); 3941 if (ps != null) { 3942 // Try to get the status from User settings first 3943 int status = ps.getDomainVerificationStatusForUser(userId); 3944 // if none available, get the master status 3945 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 3946 if (ps.getIntentFilterVerificationInfo() != null) { 3947 status = ps.getIntentFilterVerificationInfo().getStatus(); 3948 } 3949 } 3950 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 3951 result.clear(); 3952 result.add(info); 3953 // We break the for loop as we are good to go 3954 break; 3955 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 3956 result.remove(n); 3957 } 3958 } 3959 } 3960 } 3961 if (DEBUG_PREFERRED) { 3962 Slog.v("TAG", "Filtered results with prefered activities. New candidates count: " + 3963 result.size()); 3964 } 3965 return result; 3966 } 3967 3968 private ResolveInfo querySkipCurrentProfileIntents( 3969 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3970 int flags, int sourceUserId) { 3971 if (matchingFilters != null) { 3972 int size = matchingFilters.size(); 3973 for (int i = 0; i < size; i ++) { 3974 CrossProfileIntentFilter filter = matchingFilters.get(i); 3975 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3976 // Checking if there are activities in the target user that can handle the 3977 // intent. 3978 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3979 flags, sourceUserId); 3980 if (resolveInfo != null) { 3981 return resolveInfo; 3982 } 3983 } 3984 } 3985 } 3986 return null; 3987 } 3988 3989 // Return matching ResolveInfo if any for skip current profile intent filters. 3990 private ResolveInfo queryCrossProfileIntents( 3991 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3992 int flags, int sourceUserId) { 3993 if (matchingFilters != null) { 3994 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3995 // match the same intent. For performance reasons, it is better not to 3996 // run queryIntent twice for the same userId 3997 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3998 int size = matchingFilters.size(); 3999 for (int i = 0; i < size; i++) { 4000 CrossProfileIntentFilter filter = matchingFilters.get(i); 4001 int targetUserId = filter.getTargetUserId(); 4002 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4003 && !alreadyTriedUserIds.get(targetUserId)) { 4004 // Checking if there are activities in the target user that can handle the 4005 // intent. 4006 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4007 flags, sourceUserId); 4008 if (resolveInfo != null) return resolveInfo; 4009 alreadyTriedUserIds.put(targetUserId, true); 4010 } 4011 } 4012 } 4013 return null; 4014 } 4015 4016 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4017 String resolvedType, int flags, int sourceUserId) { 4018 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4019 resolvedType, flags, filter.getTargetUserId()); 4020 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4021 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4022 } 4023 return null; 4024 } 4025 4026 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4027 int sourceUserId, int targetUserId) { 4028 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4029 String className; 4030 if (targetUserId == UserHandle.USER_OWNER) { 4031 className = FORWARD_INTENT_TO_USER_OWNER; 4032 } else { 4033 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4034 } 4035 ComponentName forwardingActivityComponentName = new ComponentName( 4036 mAndroidApplication.packageName, className); 4037 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4038 sourceUserId); 4039 if (targetUserId == UserHandle.USER_OWNER) { 4040 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4041 forwardingResolveInfo.noResourceId = true; 4042 } 4043 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4044 forwardingResolveInfo.priority = 0; 4045 forwardingResolveInfo.preferredOrder = 0; 4046 forwardingResolveInfo.match = 0; 4047 forwardingResolveInfo.isDefault = true; 4048 forwardingResolveInfo.filter = filter; 4049 forwardingResolveInfo.targetUserId = targetUserId; 4050 return forwardingResolveInfo; 4051 } 4052 4053 @Override 4054 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4055 Intent[] specifics, String[] specificTypes, Intent intent, 4056 String resolvedType, int flags, int userId) { 4057 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4058 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4059 false, "query intent activity options"); 4060 final String resultsAction = intent.getAction(); 4061 4062 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4063 | PackageManager.GET_RESOLVED_FILTER, userId); 4064 4065 if (DEBUG_INTENT_MATCHING) { 4066 Log.v(TAG, "Query " + intent + ": " + results); 4067 } 4068 4069 int specificsPos = 0; 4070 int N; 4071 4072 // todo: note that the algorithm used here is O(N^2). This 4073 // isn't a problem in our current environment, but if we start running 4074 // into situations where we have more than 5 or 10 matches then this 4075 // should probably be changed to something smarter... 4076 4077 // First we go through and resolve each of the specific items 4078 // that were supplied, taking care of removing any corresponding 4079 // duplicate items in the generic resolve list. 4080 if (specifics != null) { 4081 for (int i=0; i<specifics.length; i++) { 4082 final Intent sintent = specifics[i]; 4083 if (sintent == null) { 4084 continue; 4085 } 4086 4087 if (DEBUG_INTENT_MATCHING) { 4088 Log.v(TAG, "Specific #" + i + ": " + sintent); 4089 } 4090 4091 String action = sintent.getAction(); 4092 if (resultsAction != null && resultsAction.equals(action)) { 4093 // If this action was explicitly requested, then don't 4094 // remove things that have it. 4095 action = null; 4096 } 4097 4098 ResolveInfo ri = null; 4099 ActivityInfo ai = null; 4100 4101 ComponentName comp = sintent.getComponent(); 4102 if (comp == null) { 4103 ri = resolveIntent( 4104 sintent, 4105 specificTypes != null ? specificTypes[i] : null, 4106 flags, userId); 4107 if (ri == null) { 4108 continue; 4109 } 4110 if (ri == mResolveInfo) { 4111 // ACK! Must do something better with this. 4112 } 4113 ai = ri.activityInfo; 4114 comp = new ComponentName(ai.applicationInfo.packageName, 4115 ai.name); 4116 } else { 4117 ai = getActivityInfo(comp, flags, userId); 4118 if (ai == null) { 4119 continue; 4120 } 4121 } 4122 4123 // Look for any generic query activities that are duplicates 4124 // of this specific one, and remove them from the results. 4125 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 4126 N = results.size(); 4127 int j; 4128 for (j=specificsPos; j<N; j++) { 4129 ResolveInfo sri = results.get(j); 4130 if ((sri.activityInfo.name.equals(comp.getClassName()) 4131 && sri.activityInfo.applicationInfo.packageName.equals( 4132 comp.getPackageName())) 4133 || (action != null && sri.filter.matchAction(action))) { 4134 results.remove(j); 4135 if (DEBUG_INTENT_MATCHING) Log.v( 4136 TAG, "Removing duplicate item from " + j 4137 + " due to specific " + specificsPos); 4138 if (ri == null) { 4139 ri = sri; 4140 } 4141 j--; 4142 N--; 4143 } 4144 } 4145 4146 // Add this specific item to its proper place. 4147 if (ri == null) { 4148 ri = new ResolveInfo(); 4149 ri.activityInfo = ai; 4150 } 4151 results.add(specificsPos, ri); 4152 ri.specificIndex = i; 4153 specificsPos++; 4154 } 4155 } 4156 4157 // Now we go through the remaining generic results and remove any 4158 // duplicate actions that are found here. 4159 N = results.size(); 4160 for (int i=specificsPos; i<N-1; i++) { 4161 final ResolveInfo rii = results.get(i); 4162 if (rii.filter == null) { 4163 continue; 4164 } 4165 4166 // Iterate over all of the actions of this result's intent 4167 // filter... typically this should be just one. 4168 final Iterator<String> it = rii.filter.actionsIterator(); 4169 if (it == null) { 4170 continue; 4171 } 4172 while (it.hasNext()) { 4173 final String action = it.next(); 4174 if (resultsAction != null && resultsAction.equals(action)) { 4175 // If this action was explicitly requested, then don't 4176 // remove things that have it. 4177 continue; 4178 } 4179 for (int j=i+1; j<N; j++) { 4180 final ResolveInfo rij = results.get(j); 4181 if (rij.filter != null && rij.filter.hasAction(action)) { 4182 results.remove(j); 4183 if (DEBUG_INTENT_MATCHING) Log.v( 4184 TAG, "Removing duplicate item from " + j 4185 + " due to action " + action + " at " + i); 4186 j--; 4187 N--; 4188 } 4189 } 4190 } 4191 4192 // If the caller didn't request filter information, drop it now 4193 // so we don't have to marshall/unmarshall it. 4194 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 4195 rii.filter = null; 4196 } 4197 } 4198 4199 // Filter out the caller activity if so requested. 4200 if (caller != null) { 4201 N = results.size(); 4202 for (int i=0; i<N; i++) { 4203 ActivityInfo ainfo = results.get(i).activityInfo; 4204 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 4205 && caller.getClassName().equals(ainfo.name)) { 4206 results.remove(i); 4207 break; 4208 } 4209 } 4210 } 4211 4212 // If the caller didn't request filter information, 4213 // drop them now so we don't have to 4214 // marshall/unmarshall it. 4215 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 4216 N = results.size(); 4217 for (int i=0; i<N; i++) { 4218 results.get(i).filter = null; 4219 } 4220 } 4221 4222 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 4223 return results; 4224 } 4225 4226 @Override 4227 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 4228 int userId) { 4229 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4230 ComponentName comp = intent.getComponent(); 4231 if (comp == null) { 4232 if (intent.getSelector() != null) { 4233 intent = intent.getSelector(); 4234 comp = intent.getComponent(); 4235 } 4236 } 4237 if (comp != null) { 4238 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4239 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 4240 if (ai != null) { 4241 ResolveInfo ri = new ResolveInfo(); 4242 ri.activityInfo = ai; 4243 list.add(ri); 4244 } 4245 return list; 4246 } 4247 4248 // reader 4249 synchronized (mPackages) { 4250 String pkgName = intent.getPackage(); 4251 if (pkgName == null) { 4252 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 4253 } 4254 final PackageParser.Package pkg = mPackages.get(pkgName); 4255 if (pkg != null) { 4256 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 4257 userId); 4258 } 4259 return null; 4260 } 4261 } 4262 4263 @Override 4264 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 4265 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 4266 if (!sUserManager.exists(userId)) return null; 4267 if (query != null) { 4268 if (query.size() >= 1) { 4269 // If there is more than one service with the same priority, 4270 // just arbitrarily pick the first one. 4271 return query.get(0); 4272 } 4273 } 4274 return null; 4275 } 4276 4277 @Override 4278 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 4279 int userId) { 4280 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4281 ComponentName comp = intent.getComponent(); 4282 if (comp == null) { 4283 if (intent.getSelector() != null) { 4284 intent = intent.getSelector(); 4285 comp = intent.getComponent(); 4286 } 4287 } 4288 if (comp != null) { 4289 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4290 final ServiceInfo si = getServiceInfo(comp, flags, userId); 4291 if (si != null) { 4292 final ResolveInfo ri = new ResolveInfo(); 4293 ri.serviceInfo = si; 4294 list.add(ri); 4295 } 4296 return list; 4297 } 4298 4299 // reader 4300 synchronized (mPackages) { 4301 String pkgName = intent.getPackage(); 4302 if (pkgName == null) { 4303 return mServices.queryIntent(intent, resolvedType, flags, userId); 4304 } 4305 final PackageParser.Package pkg = mPackages.get(pkgName); 4306 if (pkg != null) { 4307 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 4308 userId); 4309 } 4310 return null; 4311 } 4312 } 4313 4314 @Override 4315 public List<ResolveInfo> queryIntentContentProviders( 4316 Intent intent, String resolvedType, int flags, int userId) { 4317 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4318 ComponentName comp = intent.getComponent(); 4319 if (comp == null) { 4320 if (intent.getSelector() != null) { 4321 intent = intent.getSelector(); 4322 comp = intent.getComponent(); 4323 } 4324 } 4325 if (comp != null) { 4326 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4327 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 4328 if (pi != null) { 4329 final ResolveInfo ri = new ResolveInfo(); 4330 ri.providerInfo = pi; 4331 list.add(ri); 4332 } 4333 return list; 4334 } 4335 4336 // reader 4337 synchronized (mPackages) { 4338 String pkgName = intent.getPackage(); 4339 if (pkgName == null) { 4340 return mProviders.queryIntent(intent, resolvedType, flags, userId); 4341 } 4342 final PackageParser.Package pkg = mPackages.get(pkgName); 4343 if (pkg != null) { 4344 return mProviders.queryIntentForPackage( 4345 intent, resolvedType, flags, pkg.providers, userId); 4346 } 4347 return null; 4348 } 4349 } 4350 4351 @Override 4352 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 4353 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4354 4355 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 4356 4357 // writer 4358 synchronized (mPackages) { 4359 ArrayList<PackageInfo> list; 4360 if (listUninstalled) { 4361 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 4362 for (PackageSetting ps : mSettings.mPackages.values()) { 4363 PackageInfo pi; 4364 if (ps.pkg != null) { 4365 pi = generatePackageInfo(ps.pkg, flags, userId); 4366 } else { 4367 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 4368 } 4369 if (pi != null) { 4370 list.add(pi); 4371 } 4372 } 4373 } else { 4374 list = new ArrayList<PackageInfo>(mPackages.size()); 4375 for (PackageParser.Package p : mPackages.values()) { 4376 PackageInfo pi = generatePackageInfo(p, flags, userId); 4377 if (pi != null) { 4378 list.add(pi); 4379 } 4380 } 4381 } 4382 4383 return new ParceledListSlice<PackageInfo>(list); 4384 } 4385 } 4386 4387 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 4388 String[] permissions, boolean[] tmp, int flags, int userId) { 4389 int numMatch = 0; 4390 final PermissionsState permissionsState = ps.getPermissionsState(); 4391 for (int i=0; i<permissions.length; i++) { 4392 final String permission = permissions[i]; 4393 if (permissionsState.hasPermission(permission, userId)) { 4394 tmp[i] = true; 4395 numMatch++; 4396 } else { 4397 tmp[i] = false; 4398 } 4399 } 4400 if (numMatch == 0) { 4401 return; 4402 } 4403 PackageInfo pi; 4404 if (ps.pkg != null) { 4405 pi = generatePackageInfo(ps.pkg, flags, userId); 4406 } else { 4407 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 4408 } 4409 // The above might return null in cases of uninstalled apps or install-state 4410 // skew across users/profiles. 4411 if (pi != null) { 4412 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 4413 if (numMatch == permissions.length) { 4414 pi.requestedPermissions = permissions; 4415 } else { 4416 pi.requestedPermissions = new String[numMatch]; 4417 numMatch = 0; 4418 for (int i=0; i<permissions.length; i++) { 4419 if (tmp[i]) { 4420 pi.requestedPermissions[numMatch] = permissions[i]; 4421 numMatch++; 4422 } 4423 } 4424 } 4425 } 4426 list.add(pi); 4427 } 4428 } 4429 4430 @Override 4431 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 4432 String[] permissions, int flags, int userId) { 4433 if (!sUserManager.exists(userId)) return null; 4434 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4435 4436 // writer 4437 synchronized (mPackages) { 4438 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 4439 boolean[] tmpBools = new boolean[permissions.length]; 4440 if (listUninstalled) { 4441 for (PackageSetting ps : mSettings.mPackages.values()) { 4442 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 4443 } 4444 } else { 4445 for (PackageParser.Package pkg : mPackages.values()) { 4446 PackageSetting ps = (PackageSetting)pkg.mExtras; 4447 if (ps != null) { 4448 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 4449 userId); 4450 } 4451 } 4452 } 4453 4454 return new ParceledListSlice<PackageInfo>(list); 4455 } 4456 } 4457 4458 @Override 4459 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 4460 if (!sUserManager.exists(userId)) return null; 4461 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4462 4463 // writer 4464 synchronized (mPackages) { 4465 ArrayList<ApplicationInfo> list; 4466 if (listUninstalled) { 4467 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 4468 for (PackageSetting ps : mSettings.mPackages.values()) { 4469 ApplicationInfo ai; 4470 if (ps.pkg != null) { 4471 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4472 ps.readUserState(userId), userId); 4473 } else { 4474 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 4475 } 4476 if (ai != null) { 4477 list.add(ai); 4478 } 4479 } 4480 } else { 4481 list = new ArrayList<ApplicationInfo>(mPackages.size()); 4482 for (PackageParser.Package p : mPackages.values()) { 4483 if (p.mExtras != null) { 4484 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4485 ((PackageSetting)p.mExtras).readUserState(userId), userId); 4486 if (ai != null) { 4487 list.add(ai); 4488 } 4489 } 4490 } 4491 } 4492 4493 return new ParceledListSlice<ApplicationInfo>(list); 4494 } 4495 } 4496 4497 public List<ApplicationInfo> getPersistentApplications(int flags) { 4498 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 4499 4500 // reader 4501 synchronized (mPackages) { 4502 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 4503 final int userId = UserHandle.getCallingUserId(); 4504 while (i.hasNext()) { 4505 final PackageParser.Package p = i.next(); 4506 if (p.applicationInfo != null 4507 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 4508 && (!mSafeMode || isSystemApp(p))) { 4509 PackageSetting ps = mSettings.mPackages.get(p.packageName); 4510 if (ps != null) { 4511 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4512 ps.readUserState(userId), userId); 4513 if (ai != null) { 4514 finalList.add(ai); 4515 } 4516 } 4517 } 4518 } 4519 } 4520 4521 return finalList; 4522 } 4523 4524 @Override 4525 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 4526 if (!sUserManager.exists(userId)) return null; 4527 // reader 4528 synchronized (mPackages) { 4529 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 4530 PackageSetting ps = provider != null 4531 ? mSettings.mPackages.get(provider.owner.packageName) 4532 : null; 4533 return ps != null 4534 && mSettings.isEnabledLPr(provider.info, flags, userId) 4535 && (!mSafeMode || (provider.info.applicationInfo.flags 4536 &ApplicationInfo.FLAG_SYSTEM) != 0) 4537 ? PackageParser.generateProviderInfo(provider, flags, 4538 ps.readUserState(userId), userId) 4539 : null; 4540 } 4541 } 4542 4543 /** 4544 * @deprecated 4545 */ 4546 @Deprecated 4547 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4548 // reader 4549 synchronized (mPackages) { 4550 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4551 .entrySet().iterator(); 4552 final int userId = UserHandle.getCallingUserId(); 4553 while (i.hasNext()) { 4554 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4555 PackageParser.Provider p = entry.getValue(); 4556 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4557 4558 if (ps != null && p.syncable 4559 && (!mSafeMode || (p.info.applicationInfo.flags 4560 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4561 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4562 ps.readUserState(userId), userId); 4563 if (info != null) { 4564 outNames.add(entry.getKey()); 4565 outInfo.add(info); 4566 } 4567 } 4568 } 4569 } 4570 } 4571 4572 @Override 4573 public List<ProviderInfo> queryContentProviders(String processName, 4574 int uid, int flags) { 4575 ArrayList<ProviderInfo> finalList = null; 4576 // reader 4577 synchronized (mPackages) { 4578 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4579 final int userId = processName != null ? 4580 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4581 while (i.hasNext()) { 4582 final PackageParser.Provider p = i.next(); 4583 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4584 if (ps != null && p.info.authority != null 4585 && (processName == null 4586 || (p.info.processName.equals(processName) 4587 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4588 && mSettings.isEnabledLPr(p.info, flags, userId) 4589 && (!mSafeMode 4590 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4591 if (finalList == null) { 4592 finalList = new ArrayList<ProviderInfo>(3); 4593 } 4594 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4595 ps.readUserState(userId), userId); 4596 if (info != null) { 4597 finalList.add(info); 4598 } 4599 } 4600 } 4601 } 4602 4603 if (finalList != null) { 4604 Collections.sort(finalList, mProviderInitOrderSorter); 4605 } 4606 4607 return finalList; 4608 } 4609 4610 @Override 4611 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4612 int flags) { 4613 // reader 4614 synchronized (mPackages) { 4615 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4616 return PackageParser.generateInstrumentationInfo(i, flags); 4617 } 4618 } 4619 4620 @Override 4621 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4622 int flags) { 4623 ArrayList<InstrumentationInfo> finalList = 4624 new ArrayList<InstrumentationInfo>(); 4625 4626 // reader 4627 synchronized (mPackages) { 4628 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4629 while (i.hasNext()) { 4630 final PackageParser.Instrumentation p = i.next(); 4631 if (targetPackage == null 4632 || targetPackage.equals(p.info.targetPackage)) { 4633 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4634 flags); 4635 if (ii != null) { 4636 finalList.add(ii); 4637 } 4638 } 4639 } 4640 } 4641 4642 return finalList; 4643 } 4644 4645 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4646 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4647 if (overlays == null) { 4648 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4649 return; 4650 } 4651 for (PackageParser.Package opkg : overlays.values()) { 4652 // Not much to do if idmap fails: we already logged the error 4653 // and we certainly don't want to abort installation of pkg simply 4654 // because an overlay didn't fit properly. For these reasons, 4655 // ignore the return value of createIdmapForPackagePairLI. 4656 createIdmapForPackagePairLI(pkg, opkg); 4657 } 4658 } 4659 4660 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4661 PackageParser.Package opkg) { 4662 if (!opkg.mTrustedOverlay) { 4663 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4664 opkg.baseCodePath + ": overlay not trusted"); 4665 return false; 4666 } 4667 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4668 if (overlaySet == null) { 4669 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4670 opkg.baseCodePath + " but target package has no known overlays"); 4671 return false; 4672 } 4673 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4674 // TODO: generate idmap for split APKs 4675 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4676 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4677 + opkg.baseCodePath); 4678 return false; 4679 } 4680 PackageParser.Package[] overlayArray = 4681 overlaySet.values().toArray(new PackageParser.Package[0]); 4682 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4683 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4684 return p1.mOverlayPriority - p2.mOverlayPriority; 4685 } 4686 }; 4687 Arrays.sort(overlayArray, cmp); 4688 4689 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4690 int i = 0; 4691 for (PackageParser.Package p : overlayArray) { 4692 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4693 } 4694 return true; 4695 } 4696 4697 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4698 final File[] files = dir.listFiles(); 4699 if (ArrayUtils.isEmpty(files)) { 4700 Log.d(TAG, "No files in app dir " + dir); 4701 return; 4702 } 4703 4704 if (DEBUG_PACKAGE_SCANNING) { 4705 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4706 + " flags=0x" + Integer.toHexString(parseFlags)); 4707 } 4708 4709 for (File file : files) { 4710 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4711 && !PackageInstallerService.isStageName(file.getName()); 4712 if (!isPackage) { 4713 // Ignore entries which are not packages 4714 continue; 4715 } 4716 try { 4717 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4718 scanFlags, currentTime, null); 4719 } catch (PackageManagerException e) { 4720 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4721 4722 // Delete invalid userdata apps 4723 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4724 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4725 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4726 if (file.isDirectory()) { 4727 mInstaller.rmPackageDir(file.getAbsolutePath()); 4728 } else { 4729 file.delete(); 4730 } 4731 } 4732 } 4733 } 4734 } 4735 4736 private static File getSettingsProblemFile() { 4737 File dataDir = Environment.getDataDirectory(); 4738 File systemDir = new File(dataDir, "system"); 4739 File fname = new File(systemDir, "uiderrors.txt"); 4740 return fname; 4741 } 4742 4743 static void reportSettingsProblem(int priority, String msg) { 4744 logCriticalInfo(priority, msg); 4745 } 4746 4747 static void logCriticalInfo(int priority, String msg) { 4748 Slog.println(priority, TAG, msg); 4749 EventLogTags.writePmCriticalInfo(msg); 4750 try { 4751 File fname = getSettingsProblemFile(); 4752 FileOutputStream out = new FileOutputStream(fname, true); 4753 PrintWriter pw = new FastPrintWriter(out); 4754 SimpleDateFormat formatter = new SimpleDateFormat(); 4755 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4756 pw.println(dateString + ": " + msg); 4757 pw.close(); 4758 FileUtils.setPermissions( 4759 fname.toString(), 4760 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4761 -1, -1); 4762 } catch (java.io.IOException e) { 4763 } 4764 } 4765 4766 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4767 PackageParser.Package pkg, File srcFile, int parseFlags) 4768 throws PackageManagerException { 4769 if (ps != null 4770 && ps.codePath.equals(srcFile) 4771 && ps.timeStamp == srcFile.lastModified() 4772 && !isCompatSignatureUpdateNeeded(pkg) 4773 && !isRecoverSignatureUpdateNeeded(pkg)) { 4774 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4775 if (ps.signatures.mSignatures != null 4776 && ps.signatures.mSignatures.length != 0 4777 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4778 // Optimization: reuse the existing cached certificates 4779 // if the package appears to be unchanged. 4780 pkg.mSignatures = ps.signatures.mSignatures; 4781 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4782 synchronized (mPackages) { 4783 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4784 } 4785 return; 4786 } 4787 4788 Slog.w(TAG, "PackageSetting for " + ps.name 4789 + " is missing signatures. Collecting certs again to recover them."); 4790 } else { 4791 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4792 } 4793 4794 try { 4795 pp.collectCertificates(pkg, parseFlags); 4796 pp.collectManifestDigest(pkg); 4797 } catch (PackageParserException e) { 4798 throw PackageManagerException.from(e); 4799 } 4800 } 4801 4802 /* 4803 * Scan a package and return the newly parsed package. 4804 * Returns null in case of errors and the error code is stored in mLastScanError 4805 */ 4806 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4807 long currentTime, UserHandle user) throws PackageManagerException { 4808 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4809 parseFlags |= mDefParseFlags; 4810 PackageParser pp = new PackageParser(); 4811 pp.setSeparateProcesses(mSeparateProcesses); 4812 pp.setOnlyCoreApps(mOnlyCore); 4813 pp.setDisplayMetrics(mMetrics); 4814 4815 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4816 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4817 } 4818 4819 final PackageParser.Package pkg; 4820 try { 4821 pkg = pp.parsePackage(scanFile, parseFlags); 4822 } catch (PackageParserException e) { 4823 throw PackageManagerException.from(e); 4824 } 4825 4826 PackageSetting ps = null; 4827 PackageSetting updatedPkg; 4828 // reader 4829 synchronized (mPackages) { 4830 // Look to see if we already know about this package. 4831 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4832 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4833 // This package has been renamed to its original name. Let's 4834 // use that. 4835 ps = mSettings.peekPackageLPr(oldName); 4836 } 4837 // If there was no original package, see one for the real package name. 4838 if (ps == null) { 4839 ps = mSettings.peekPackageLPr(pkg.packageName); 4840 } 4841 // Check to see if this package could be hiding/updating a system 4842 // package. Must look for it either under the original or real 4843 // package name depending on our state. 4844 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4845 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4846 } 4847 boolean updatedPkgBetter = false; 4848 // First check if this is a system package that may involve an update 4849 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4850 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4851 // it needs to drop FLAG_PRIVILEGED. 4852 if (locationIsPrivileged(scanFile)) { 4853 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4854 } else { 4855 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4856 } 4857 4858 if (ps != null && !ps.codePath.equals(scanFile)) { 4859 // The path has changed from what was last scanned... check the 4860 // version of the new path against what we have stored to determine 4861 // what to do. 4862 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4863 if (pkg.mVersionCode <= ps.versionCode) { 4864 // The system package has been updated and the code path does not match 4865 // Ignore entry. Skip it. 4866 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4867 + " ignored: updated version " + ps.versionCode 4868 + " better than this " + pkg.mVersionCode); 4869 if (!updatedPkg.codePath.equals(scanFile)) { 4870 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4871 + ps.name + " changing from " + updatedPkg.codePathString 4872 + " to " + scanFile); 4873 updatedPkg.codePath = scanFile; 4874 updatedPkg.codePathString = scanFile.toString(); 4875 updatedPkg.resourcePath = scanFile; 4876 updatedPkg.resourcePathString = scanFile.toString(); 4877 } 4878 updatedPkg.pkg = pkg; 4879 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4880 } else { 4881 // The current app on the system partition is better than 4882 // what we have updated to on the data partition; switch 4883 // back to the system partition version. 4884 // At this point, its safely assumed that package installation for 4885 // apps in system partition will go through. If not there won't be a working 4886 // version of the app 4887 // writer 4888 synchronized (mPackages) { 4889 // Just remove the loaded entries from package lists. 4890 mPackages.remove(ps.name); 4891 } 4892 4893 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4894 + " reverting from " + ps.codePathString 4895 + ": new version " + pkg.mVersionCode 4896 + " better than installed " + ps.versionCode); 4897 4898 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4899 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4900 getAppDexInstructionSets(ps)); 4901 synchronized (mInstallLock) { 4902 args.cleanUpResourcesLI(); 4903 } 4904 synchronized (mPackages) { 4905 mSettings.enableSystemPackageLPw(ps.name); 4906 } 4907 updatedPkgBetter = true; 4908 } 4909 } 4910 } 4911 4912 if (updatedPkg != null) { 4913 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4914 // initially 4915 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4916 4917 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4918 // flag set initially 4919 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 4920 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4921 } 4922 } 4923 4924 // Verify certificates against what was last scanned 4925 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4926 4927 /* 4928 * A new system app appeared, but we already had a non-system one of the 4929 * same name installed earlier. 4930 */ 4931 boolean shouldHideSystemApp = false; 4932 if (updatedPkg == null && ps != null 4933 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4934 /* 4935 * Check to make sure the signatures match first. If they don't, 4936 * wipe the installed application and its data. 4937 */ 4938 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4939 != PackageManager.SIGNATURE_MATCH) { 4940 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4941 + " signatures don't match existing userdata copy; removing"); 4942 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4943 ps = null; 4944 } else { 4945 /* 4946 * If the newly-added system app is an older version than the 4947 * already installed version, hide it. It will be scanned later 4948 * and re-added like an update. 4949 */ 4950 if (pkg.mVersionCode <= ps.versionCode) { 4951 shouldHideSystemApp = true; 4952 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4953 + " but new version " + pkg.mVersionCode + " better than installed " 4954 + ps.versionCode + "; hiding system"); 4955 } else { 4956 /* 4957 * The newly found system app is a newer version that the 4958 * one previously installed. Simply remove the 4959 * already-installed application and replace it with our own 4960 * while keeping the application data. 4961 */ 4962 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4963 + " reverting from " + ps.codePathString + ": new version " 4964 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4965 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4966 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4967 getAppDexInstructionSets(ps)); 4968 synchronized (mInstallLock) { 4969 args.cleanUpResourcesLI(); 4970 } 4971 } 4972 } 4973 } 4974 4975 // The apk is forward locked (not public) if its code and resources 4976 // are kept in different files. (except for app in either system or 4977 // vendor path). 4978 // TODO grab this value from PackageSettings 4979 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4980 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4981 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4982 } 4983 } 4984 4985 // TODO: extend to support forward-locked splits 4986 String resourcePath = null; 4987 String baseResourcePath = null; 4988 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4989 if (ps != null && ps.resourcePathString != null) { 4990 resourcePath = ps.resourcePathString; 4991 baseResourcePath = ps.resourcePathString; 4992 } else { 4993 // Should not happen at all. Just log an error. 4994 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4995 } 4996 } else { 4997 resourcePath = pkg.codePath; 4998 baseResourcePath = pkg.baseCodePath; 4999 } 5000 5001 // Set application objects path explicitly. 5002 pkg.applicationInfo.setCodePath(pkg.codePath); 5003 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5004 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5005 pkg.applicationInfo.setResourcePath(resourcePath); 5006 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5007 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5008 5009 // Note that we invoke the following method only if we are about to unpack an application 5010 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5011 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5012 5013 /* 5014 * If the system app should be overridden by a previously installed 5015 * data, hide the system app now and let the /data/app scan pick it up 5016 * again. 5017 */ 5018 if (shouldHideSystemApp) { 5019 synchronized (mPackages) { 5020 /* 5021 * We have to grant systems permissions before we hide, because 5022 * grantPermissions will assume the package update is trying to 5023 * expand its permissions. 5024 */ 5025 grantPermissionsLPw(pkg, true, pkg.packageName); 5026 mSettings.disableSystemPackageLPw(pkg.packageName); 5027 } 5028 } 5029 5030 return scannedPkg; 5031 } 5032 5033 private static String fixProcessName(String defProcessName, 5034 String processName, int uid) { 5035 if (processName == null) { 5036 return defProcessName; 5037 } 5038 return processName; 5039 } 5040 5041 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5042 throws PackageManagerException { 5043 if (pkgSetting.signatures.mSignatures != null) { 5044 // Already existing package. Make sure signatures match 5045 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5046 == PackageManager.SIGNATURE_MATCH; 5047 if (!match) { 5048 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5049 == PackageManager.SIGNATURE_MATCH; 5050 } 5051 if (!match) { 5052 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5053 == PackageManager.SIGNATURE_MATCH; 5054 } 5055 if (!match) { 5056 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5057 + pkg.packageName + " signatures do not match the " 5058 + "previously installed version; ignoring!"); 5059 } 5060 } 5061 5062 // Check for shared user signatures 5063 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5064 // Already existing package. Make sure signatures match 5065 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5066 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5067 if (!match) { 5068 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5069 == PackageManager.SIGNATURE_MATCH; 5070 } 5071 if (!match) { 5072 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5073 == PackageManager.SIGNATURE_MATCH; 5074 } 5075 if (!match) { 5076 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5077 "Package " + pkg.packageName 5078 + " has no signatures that match those in shared user " 5079 + pkgSetting.sharedUser.name + "; ignoring!"); 5080 } 5081 } 5082 } 5083 5084 /** 5085 * Enforces that only the system UID or root's UID can call a method exposed 5086 * via Binder. 5087 * 5088 * @param message used as message if SecurityException is thrown 5089 * @throws SecurityException if the caller is not system or root 5090 */ 5091 private static final void enforceSystemOrRoot(String message) { 5092 final int uid = Binder.getCallingUid(); 5093 if (uid != Process.SYSTEM_UID && uid != 0) { 5094 throw new SecurityException(message); 5095 } 5096 } 5097 5098 @Override 5099 public void performBootDexOpt() { 5100 enforceSystemOrRoot("Only the system can request dexopt be performed"); 5101 5102 // Before everything else, see whether we need to fstrim. 5103 try { 5104 IMountService ms = PackageHelper.getMountService(); 5105 if (ms != null) { 5106 final boolean isUpgrade = isUpgrade(); 5107 boolean doTrim = isUpgrade; 5108 if (doTrim) { 5109 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 5110 } else { 5111 final long interval = android.provider.Settings.Global.getLong( 5112 mContext.getContentResolver(), 5113 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 5114 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 5115 if (interval > 0) { 5116 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 5117 if (timeSinceLast > interval) { 5118 doTrim = true; 5119 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 5120 + "; running immediately"); 5121 } 5122 } 5123 } 5124 if (doTrim) { 5125 if (!isFirstBoot()) { 5126 try { 5127 ActivityManagerNative.getDefault().showBootMessage( 5128 mContext.getResources().getString( 5129 R.string.android_upgrading_fstrim), true); 5130 } catch (RemoteException e) { 5131 } 5132 } 5133 ms.runMaintenance(); 5134 } 5135 } else { 5136 Slog.e(TAG, "Mount service unavailable!"); 5137 } 5138 } catch (RemoteException e) { 5139 // Can't happen; MountService is local 5140 } 5141 5142 final ArraySet<PackageParser.Package> pkgs; 5143 synchronized (mPackages) { 5144 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 5145 } 5146 5147 if (pkgs != null) { 5148 // Sort apps by importance for dexopt ordering. Important apps are given more priority 5149 // in case the device runs out of space. 5150 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 5151 // Give priority to core apps. 5152 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5153 PackageParser.Package pkg = it.next(); 5154 if (pkg.coreApp) { 5155 if (DEBUG_DEXOPT) { 5156 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 5157 } 5158 sortedPkgs.add(pkg); 5159 it.remove(); 5160 } 5161 } 5162 // Give priority to system apps that listen for pre boot complete. 5163 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 5164 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 5165 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5166 PackageParser.Package pkg = it.next(); 5167 if (pkgNames.contains(pkg.packageName)) { 5168 if (DEBUG_DEXOPT) { 5169 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 5170 } 5171 sortedPkgs.add(pkg); 5172 it.remove(); 5173 } 5174 } 5175 // Give priority to system apps. 5176 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5177 PackageParser.Package pkg = it.next(); 5178 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 5179 if (DEBUG_DEXOPT) { 5180 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 5181 } 5182 sortedPkgs.add(pkg); 5183 it.remove(); 5184 } 5185 } 5186 // Give priority to updated system apps. 5187 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5188 PackageParser.Package pkg = it.next(); 5189 if (pkg.isUpdatedSystemApp()) { 5190 if (DEBUG_DEXOPT) { 5191 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 5192 } 5193 sortedPkgs.add(pkg); 5194 it.remove(); 5195 } 5196 } 5197 // Give priority to apps that listen for boot complete. 5198 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 5199 pkgNames = getPackageNamesForIntent(intent); 5200 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5201 PackageParser.Package pkg = it.next(); 5202 if (pkgNames.contains(pkg.packageName)) { 5203 if (DEBUG_DEXOPT) { 5204 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 5205 } 5206 sortedPkgs.add(pkg); 5207 it.remove(); 5208 } 5209 } 5210 // Filter out packages that aren't recently used. 5211 filterRecentlyUsedApps(pkgs); 5212 // Add all remaining apps. 5213 for (PackageParser.Package pkg : pkgs) { 5214 if (DEBUG_DEXOPT) { 5215 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 5216 } 5217 sortedPkgs.add(pkg); 5218 } 5219 5220 // If we want to be lazy, filter everything that wasn't recently used. 5221 if (mLazyDexOpt) { 5222 filterRecentlyUsedApps(sortedPkgs); 5223 } 5224 5225 int i = 0; 5226 int total = sortedPkgs.size(); 5227 File dataDir = Environment.getDataDirectory(); 5228 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 5229 if (lowThreshold == 0) { 5230 throw new IllegalStateException("Invalid low memory threshold"); 5231 } 5232 for (PackageParser.Package pkg : sortedPkgs) { 5233 long usableSpace = dataDir.getUsableSpace(); 5234 if (usableSpace < lowThreshold) { 5235 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 5236 break; 5237 } 5238 performBootDexOpt(pkg, ++i, total); 5239 } 5240 } 5241 } 5242 5243 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 5244 // Filter out packages that aren't recently used. 5245 // 5246 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 5247 // should do a full dexopt. 5248 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 5249 int total = pkgs.size(); 5250 int skipped = 0; 5251 long now = System.currentTimeMillis(); 5252 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 5253 PackageParser.Package pkg = i.next(); 5254 long then = pkg.mLastPackageUsageTimeInMills; 5255 if (then + mDexOptLRUThresholdInMills < now) { 5256 if (DEBUG_DEXOPT) { 5257 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 5258 ((then == 0) ? "never" : new Date(then))); 5259 } 5260 i.remove(); 5261 skipped++; 5262 } 5263 } 5264 if (DEBUG_DEXOPT) { 5265 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 5266 } 5267 } 5268 } 5269 5270 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 5271 List<ResolveInfo> ris = null; 5272 try { 5273 ris = AppGlobals.getPackageManager().queryIntentReceivers( 5274 intent, null, 0, UserHandle.USER_OWNER); 5275 } catch (RemoteException e) { 5276 } 5277 ArraySet<String> pkgNames = new ArraySet<String>(); 5278 if (ris != null) { 5279 for (ResolveInfo ri : ris) { 5280 pkgNames.add(ri.activityInfo.packageName); 5281 } 5282 } 5283 return pkgNames; 5284 } 5285 5286 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 5287 if (DEBUG_DEXOPT) { 5288 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 5289 } 5290 if (!isFirstBoot()) { 5291 try { 5292 ActivityManagerNative.getDefault().showBootMessage( 5293 mContext.getResources().getString(R.string.android_upgrading_apk, 5294 curr, total), true); 5295 } catch (RemoteException e) { 5296 } 5297 } 5298 PackageParser.Package p = pkg; 5299 synchronized (mInstallLock) { 5300 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 5301 false /* force dex */, false /* defer */, true /* include dependencies */); 5302 } 5303 } 5304 5305 @Override 5306 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 5307 return performDexOpt(packageName, instructionSet, false); 5308 } 5309 5310 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 5311 boolean dexopt = mLazyDexOpt || backgroundDexopt; 5312 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 5313 if (!dexopt && !updateUsage) { 5314 // We aren't going to dexopt or update usage, so bail early. 5315 return false; 5316 } 5317 PackageParser.Package p; 5318 final String targetInstructionSet; 5319 synchronized (mPackages) { 5320 p = mPackages.get(packageName); 5321 if (p == null) { 5322 return false; 5323 } 5324 if (updateUsage) { 5325 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 5326 } 5327 mPackageUsage.write(false); 5328 if (!dexopt) { 5329 // We aren't going to dexopt, so bail early. 5330 return false; 5331 } 5332 5333 targetInstructionSet = instructionSet != null ? instructionSet : 5334 getPrimaryInstructionSet(p.applicationInfo); 5335 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 5336 return false; 5337 } 5338 } 5339 5340 synchronized (mInstallLock) { 5341 final String[] instructionSets = new String[] { targetInstructionSet }; 5342 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 5343 false /* forceDex */, false /* defer */, true /* inclDependencies */); 5344 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 5345 } 5346 } 5347 5348 public ArraySet<String> getPackagesThatNeedDexOpt() { 5349 ArraySet<String> pkgs = null; 5350 synchronized (mPackages) { 5351 for (PackageParser.Package p : mPackages.values()) { 5352 if (DEBUG_DEXOPT) { 5353 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 5354 } 5355 if (!p.mDexOptPerformed.isEmpty()) { 5356 continue; 5357 } 5358 if (pkgs == null) { 5359 pkgs = new ArraySet<String>(); 5360 } 5361 pkgs.add(p.packageName); 5362 } 5363 } 5364 return pkgs; 5365 } 5366 5367 public void shutdown() { 5368 mPackageUsage.write(true); 5369 } 5370 5371 @Override 5372 public void forceDexOpt(String packageName) { 5373 enforceSystemOrRoot("forceDexOpt"); 5374 5375 PackageParser.Package pkg; 5376 synchronized (mPackages) { 5377 pkg = mPackages.get(packageName); 5378 if (pkg == null) { 5379 throw new IllegalArgumentException("Missing package: " + packageName); 5380 } 5381 } 5382 5383 synchronized (mInstallLock) { 5384 final String[] instructionSets = new String[] { 5385 getPrimaryInstructionSet(pkg.applicationInfo) }; 5386 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 5387 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 5388 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 5389 throw new IllegalStateException("Failed to dexopt: " + res); 5390 } 5391 } 5392 } 5393 5394 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 5395 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 5396 Slog.w(TAG, "Unable to update from " + oldPkg.name 5397 + " to " + newPkg.packageName 5398 + ": old package not in system partition"); 5399 return false; 5400 } else if (mPackages.get(oldPkg.name) != null) { 5401 Slog.w(TAG, "Unable to update from " + oldPkg.name 5402 + " to " + newPkg.packageName 5403 + ": old package still exists"); 5404 return false; 5405 } 5406 return true; 5407 } 5408 5409 private File getDataPathForPackage(String packageName, int userId) { 5410 /* 5411 * Until we fully support multiple users, return the directory we 5412 * previously would have. The PackageManagerTests will need to be 5413 * revised when this is changed back.. 5414 */ 5415 if (userId == 0) { 5416 return new File(mAppDataDir, packageName); 5417 } else { 5418 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 5419 + File.separator + packageName); 5420 } 5421 } 5422 5423 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5424 int[] users = sUserManager.getUserIds(); 5425 int res = mInstaller.install(packageName, uid, uid, seinfo); 5426 if (res < 0) { 5427 return res; 5428 } 5429 for (int user : users) { 5430 if (user != 0) { 5431 res = mInstaller.createUserData(packageName, 5432 UserHandle.getUid(user, uid), user, seinfo); 5433 if (res < 0) { 5434 return res; 5435 } 5436 } 5437 } 5438 return res; 5439 } 5440 5441 private int removeDataDirsLI(String packageName) { 5442 int[] users = sUserManager.getUserIds(); 5443 int res = 0; 5444 for (int user : users) { 5445 int resInner = mInstaller.remove(packageName, user); 5446 if (resInner < 0) { 5447 res = resInner; 5448 } 5449 } 5450 5451 return res; 5452 } 5453 5454 private int deleteCodeCacheDirsLI(String packageName) { 5455 int[] users = sUserManager.getUserIds(); 5456 int res = 0; 5457 for (int user : users) { 5458 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5459 if (resInner < 0) { 5460 res = resInner; 5461 } 5462 } 5463 return res; 5464 } 5465 5466 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5467 PackageParser.Package changingLib) { 5468 if (file.path != null) { 5469 usesLibraryFiles.add(file.path); 5470 return; 5471 } 5472 PackageParser.Package p = mPackages.get(file.apk); 5473 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5474 // If we are doing this while in the middle of updating a library apk, 5475 // then we need to make sure to use that new apk for determining the 5476 // dependencies here. (We haven't yet finished committing the new apk 5477 // to the package manager state.) 5478 if (p == null || p.packageName.equals(changingLib.packageName)) { 5479 p = changingLib; 5480 } 5481 } 5482 if (p != null) { 5483 usesLibraryFiles.addAll(p.getAllCodePaths()); 5484 } 5485 } 5486 5487 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5488 PackageParser.Package changingLib) throws PackageManagerException { 5489 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5490 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5491 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5492 for (int i=0; i<N; i++) { 5493 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5494 if (file == null) { 5495 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5496 "Package " + pkg.packageName + " requires unavailable shared library " 5497 + pkg.usesLibraries.get(i) + "; failing!"); 5498 } 5499 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5500 } 5501 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5502 for (int i=0; i<N; i++) { 5503 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5504 if (file == null) { 5505 Slog.w(TAG, "Package " + pkg.packageName 5506 + " desires unavailable shared library " 5507 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5508 } else { 5509 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5510 } 5511 } 5512 N = usesLibraryFiles.size(); 5513 if (N > 0) { 5514 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5515 } else { 5516 pkg.usesLibraryFiles = null; 5517 } 5518 } 5519 } 5520 5521 private static boolean hasString(List<String> list, List<String> which) { 5522 if (list == null) { 5523 return false; 5524 } 5525 for (int i=list.size()-1; i>=0; i--) { 5526 for (int j=which.size()-1; j>=0; j--) { 5527 if (which.get(j).equals(list.get(i))) { 5528 return true; 5529 } 5530 } 5531 } 5532 return false; 5533 } 5534 5535 private void updateAllSharedLibrariesLPw() { 5536 for (PackageParser.Package pkg : mPackages.values()) { 5537 try { 5538 updateSharedLibrariesLPw(pkg, null); 5539 } catch (PackageManagerException e) { 5540 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5541 } 5542 } 5543 } 5544 5545 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5546 PackageParser.Package changingPkg) { 5547 ArrayList<PackageParser.Package> res = null; 5548 for (PackageParser.Package pkg : mPackages.values()) { 5549 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5550 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5551 if (res == null) { 5552 res = new ArrayList<PackageParser.Package>(); 5553 } 5554 res.add(pkg); 5555 try { 5556 updateSharedLibrariesLPw(pkg, changingPkg); 5557 } catch (PackageManagerException e) { 5558 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5559 } 5560 } 5561 } 5562 return res; 5563 } 5564 5565 /** 5566 * Derive the value of the {@code cpuAbiOverride} based on the provided 5567 * value and an optional stored value from the package settings. 5568 */ 5569 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5570 String cpuAbiOverride = null; 5571 5572 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5573 cpuAbiOverride = null; 5574 } else if (abiOverride != null) { 5575 cpuAbiOverride = abiOverride; 5576 } else if (settings != null) { 5577 cpuAbiOverride = settings.cpuAbiOverrideString; 5578 } 5579 5580 return cpuAbiOverride; 5581 } 5582 5583 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5584 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5585 boolean success = false; 5586 try { 5587 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5588 currentTime, user); 5589 success = true; 5590 return res; 5591 } finally { 5592 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5593 removeDataDirsLI(pkg.packageName); 5594 } 5595 } 5596 } 5597 5598 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5599 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5600 final File scanFile = new File(pkg.codePath); 5601 if (pkg.applicationInfo.getCodePath() == null || 5602 pkg.applicationInfo.getResourcePath() == null) { 5603 // Bail out. The resource and code paths haven't been set. 5604 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5605 "Code and resource paths haven't been set correctly"); 5606 } 5607 5608 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5609 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5610 } else { 5611 // Only allow system apps to be flagged as core apps. 5612 pkg.coreApp = false; 5613 } 5614 5615 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5616 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5617 } 5618 5619 if (mCustomResolverComponentName != null && 5620 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5621 setUpCustomResolverActivity(pkg); 5622 } 5623 5624 if (pkg.packageName.equals("android")) { 5625 synchronized (mPackages) { 5626 if (mAndroidApplication != null) { 5627 Slog.w(TAG, "*************************************************"); 5628 Slog.w(TAG, "Core android package being redefined. Skipping."); 5629 Slog.w(TAG, " file=" + scanFile); 5630 Slog.w(TAG, "*************************************************"); 5631 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5632 "Core android package being redefined. Skipping."); 5633 } 5634 5635 // Set up information for our fall-back user intent resolution activity. 5636 mPlatformPackage = pkg; 5637 pkg.mVersionCode = mSdkVersion; 5638 mAndroidApplication = pkg.applicationInfo; 5639 5640 if (!mResolverReplaced) { 5641 mResolveActivity.applicationInfo = mAndroidApplication; 5642 mResolveActivity.name = ResolverActivity.class.getName(); 5643 mResolveActivity.packageName = mAndroidApplication.packageName; 5644 mResolveActivity.processName = "system:ui"; 5645 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5646 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5647 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5648 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5649 mResolveActivity.exported = true; 5650 mResolveActivity.enabled = true; 5651 mResolveInfo.activityInfo = mResolveActivity; 5652 mResolveInfo.priority = 0; 5653 mResolveInfo.preferredOrder = 0; 5654 mResolveInfo.match = 0; 5655 mResolveComponentName = new ComponentName( 5656 mAndroidApplication.packageName, mResolveActivity.name); 5657 } 5658 } 5659 } 5660 5661 if (DEBUG_PACKAGE_SCANNING) { 5662 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5663 Log.d(TAG, "Scanning package " + pkg.packageName); 5664 } 5665 5666 if (mPackages.containsKey(pkg.packageName) 5667 || mSharedLibraries.containsKey(pkg.packageName)) { 5668 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5669 "Application package " + pkg.packageName 5670 + " already installed. Skipping duplicate."); 5671 } 5672 5673 // If we're only installing presumed-existing packages, require that the 5674 // scanned APK is both already known and at the path previously established 5675 // for it. Previously unknown packages we pick up normally, but if we have an 5676 // a priori expectation about this package's install presence, enforce it. 5677 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 5678 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 5679 if (known != null) { 5680 if (DEBUG_PACKAGE_SCANNING) { 5681 Log.d(TAG, "Examining " + pkg.codePath 5682 + " and requiring known paths " + known.codePathString 5683 + " & " + known.resourcePathString); 5684 } 5685 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 5686 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 5687 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 5688 "Application package " + pkg.packageName 5689 + " found at " + pkg.applicationInfo.getCodePath() 5690 + " but expected at " + known.codePathString + "; ignoring."); 5691 } 5692 } 5693 } 5694 5695 // Initialize package source and resource directories 5696 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5697 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5698 5699 SharedUserSetting suid = null; 5700 PackageSetting pkgSetting = null; 5701 5702 if (!isSystemApp(pkg)) { 5703 // Only system apps can use these features. 5704 pkg.mOriginalPackages = null; 5705 pkg.mRealPackage = null; 5706 pkg.mAdoptPermissions = null; 5707 } 5708 5709 // writer 5710 synchronized (mPackages) { 5711 if (pkg.mSharedUserId != null) { 5712 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 5713 if (suid == null) { 5714 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5715 "Creating application package " + pkg.packageName 5716 + " for shared user failed"); 5717 } 5718 if (DEBUG_PACKAGE_SCANNING) { 5719 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5720 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5721 + "): packages=" + suid.packages); 5722 } 5723 } 5724 5725 // Check if we are renaming from an original package name. 5726 PackageSetting origPackage = null; 5727 String realName = null; 5728 if (pkg.mOriginalPackages != null) { 5729 // This package may need to be renamed to a previously 5730 // installed name. Let's check on that... 5731 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5732 if (pkg.mOriginalPackages.contains(renamed)) { 5733 // This package had originally been installed as the 5734 // original name, and we have already taken care of 5735 // transitioning to the new one. Just update the new 5736 // one to continue using the old name. 5737 realName = pkg.mRealPackage; 5738 if (!pkg.packageName.equals(renamed)) { 5739 // Callers into this function may have already taken 5740 // care of renaming the package; only do it here if 5741 // it is not already done. 5742 pkg.setPackageName(renamed); 5743 } 5744 5745 } else { 5746 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5747 if ((origPackage = mSettings.peekPackageLPr( 5748 pkg.mOriginalPackages.get(i))) != null) { 5749 // We do have the package already installed under its 5750 // original name... should we use it? 5751 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5752 // New package is not compatible with original. 5753 origPackage = null; 5754 continue; 5755 } else if (origPackage.sharedUser != null) { 5756 // Make sure uid is compatible between packages. 5757 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5758 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5759 + " to " + pkg.packageName + ": old uid " 5760 + origPackage.sharedUser.name 5761 + " differs from " + pkg.mSharedUserId); 5762 origPackage = null; 5763 continue; 5764 } 5765 } else { 5766 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5767 + pkg.packageName + " to old name " + origPackage.name); 5768 } 5769 break; 5770 } 5771 } 5772 } 5773 } 5774 5775 if (mTransferedPackages.contains(pkg.packageName)) { 5776 Slog.w(TAG, "Package " + pkg.packageName 5777 + " was transferred to another, but its .apk remains"); 5778 } 5779 5780 // Just create the setting, don't add it yet. For already existing packages 5781 // the PkgSetting exists already and doesn't have to be created. 5782 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5783 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5784 pkg.applicationInfo.primaryCpuAbi, 5785 pkg.applicationInfo.secondaryCpuAbi, 5786 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 5787 user, false); 5788 if (pkgSetting == null) { 5789 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5790 "Creating application package " + pkg.packageName + " failed"); 5791 } 5792 5793 if (pkgSetting.origPackage != null) { 5794 // If we are first transitioning from an original package, 5795 // fix up the new package's name now. We need to do this after 5796 // looking up the package under its new name, so getPackageLP 5797 // can take care of fiddling things correctly. 5798 pkg.setPackageName(origPackage.name); 5799 5800 // File a report about this. 5801 String msg = "New package " + pkgSetting.realName 5802 + " renamed to replace old package " + pkgSetting.name; 5803 reportSettingsProblem(Log.WARN, msg); 5804 5805 // Make a note of it. 5806 mTransferedPackages.add(origPackage.name); 5807 5808 // No longer need to retain this. 5809 pkgSetting.origPackage = null; 5810 } 5811 5812 if (realName != null) { 5813 // Make a note of it. 5814 mTransferedPackages.add(pkg.packageName); 5815 } 5816 5817 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5818 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5819 } 5820 5821 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5822 // Check all shared libraries and map to their actual file path. 5823 // We only do this here for apps not on a system dir, because those 5824 // are the only ones that can fail an install due to this. We 5825 // will take care of the system apps by updating all of their 5826 // library paths after the scan is done. 5827 updateSharedLibrariesLPw(pkg, null); 5828 } 5829 5830 if (mFoundPolicyFile) { 5831 SELinuxMMAC.assignSeinfoValue(pkg); 5832 } 5833 5834 pkg.applicationInfo.uid = pkgSetting.appId; 5835 pkg.mExtras = pkgSetting; 5836 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5837 try { 5838 verifySignaturesLP(pkgSetting, pkg); 5839 // We just determined the app is signed correctly, so bring 5840 // over the latest parsed certs. 5841 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5842 } catch (PackageManagerException e) { 5843 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5844 throw e; 5845 } 5846 // The signature has changed, but this package is in the system 5847 // image... let's recover! 5848 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5849 // However... if this package is part of a shared user, but it 5850 // doesn't match the signature of the shared user, let's fail. 5851 // What this means is that you can't change the signatures 5852 // associated with an overall shared user, which doesn't seem all 5853 // that unreasonable. 5854 if (pkgSetting.sharedUser != null) { 5855 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5856 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5857 throw new PackageManagerException( 5858 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5859 "Signature mismatch for shared user : " 5860 + pkgSetting.sharedUser); 5861 } 5862 } 5863 // File a report about this. 5864 String msg = "System package " + pkg.packageName 5865 + " signature changed; retaining data."; 5866 reportSettingsProblem(Log.WARN, msg); 5867 } 5868 } else { 5869 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5870 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5871 + pkg.packageName + " upgrade keys do not match the " 5872 + "previously installed version"); 5873 } else { 5874 // We just determined the app is signed correctly, so bring 5875 // over the latest parsed certs. 5876 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5877 } 5878 } 5879 // Verify that this new package doesn't have any content providers 5880 // that conflict with existing packages. Only do this if the 5881 // package isn't already installed, since we don't want to break 5882 // things that are installed. 5883 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5884 final int N = pkg.providers.size(); 5885 int i; 5886 for (i=0; i<N; i++) { 5887 PackageParser.Provider p = pkg.providers.get(i); 5888 if (p.info.authority != null) { 5889 String names[] = p.info.authority.split(";"); 5890 for (int j = 0; j < names.length; j++) { 5891 if (mProvidersByAuthority.containsKey(names[j])) { 5892 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5893 final String otherPackageName = 5894 ((other != null && other.getComponentName() != null) ? 5895 other.getComponentName().getPackageName() : "?"); 5896 throw new PackageManagerException( 5897 INSTALL_FAILED_CONFLICTING_PROVIDER, 5898 "Can't install because provider name " + names[j] 5899 + " (in package " + pkg.applicationInfo.packageName 5900 + ") is already used by " + otherPackageName); 5901 } 5902 } 5903 } 5904 } 5905 } 5906 5907 if (pkg.mAdoptPermissions != null) { 5908 // This package wants to adopt ownership of permissions from 5909 // another package. 5910 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5911 final String origName = pkg.mAdoptPermissions.get(i); 5912 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5913 if (orig != null) { 5914 if (verifyPackageUpdateLPr(orig, pkg)) { 5915 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5916 + pkg.packageName); 5917 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5918 } 5919 } 5920 } 5921 } 5922 } 5923 5924 final String pkgName = pkg.packageName; 5925 5926 final long scanFileTime = scanFile.lastModified(); 5927 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5928 pkg.applicationInfo.processName = fixProcessName( 5929 pkg.applicationInfo.packageName, 5930 pkg.applicationInfo.processName, 5931 pkg.applicationInfo.uid); 5932 5933 File dataPath; 5934 if (mPlatformPackage == pkg) { 5935 // The system package is special. 5936 dataPath = new File(Environment.getDataDirectory(), "system"); 5937 5938 pkg.applicationInfo.dataDir = dataPath.getPath(); 5939 5940 } else { 5941 // This is a normal package, need to make its data directory. 5942 dataPath = getDataPathForPackage(pkg.packageName, 0); 5943 5944 boolean uidError = false; 5945 if (dataPath.exists()) { 5946 int currentUid = 0; 5947 try { 5948 StructStat stat = Os.stat(dataPath.getPath()); 5949 currentUid = stat.st_uid; 5950 } catch (ErrnoException e) { 5951 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5952 } 5953 5954 // If we have mismatched owners for the data path, we have a problem. 5955 if (currentUid != pkg.applicationInfo.uid) { 5956 boolean recovered = false; 5957 if (currentUid == 0) { 5958 // The directory somehow became owned by root. Wow. 5959 // This is probably because the system was stopped while 5960 // installd was in the middle of messing with its libs 5961 // directory. Ask installd to fix that. 5962 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5963 pkg.applicationInfo.uid); 5964 if (ret >= 0) { 5965 recovered = true; 5966 String msg = "Package " + pkg.packageName 5967 + " unexpectedly changed to uid 0; recovered to " + 5968 + pkg.applicationInfo.uid; 5969 reportSettingsProblem(Log.WARN, msg); 5970 } 5971 } 5972 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5973 || (scanFlags&SCAN_BOOTING) != 0)) { 5974 // If this is a system app, we can at least delete its 5975 // current data so the application will still work. 5976 int ret = removeDataDirsLI(pkgName); 5977 if (ret >= 0) { 5978 // TODO: Kill the processes first 5979 // Old data gone! 5980 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5981 ? "System package " : "Third party package "; 5982 String msg = prefix + pkg.packageName 5983 + " has changed from uid: " 5984 + currentUid + " to " 5985 + pkg.applicationInfo.uid + "; old data erased"; 5986 reportSettingsProblem(Log.WARN, msg); 5987 recovered = true; 5988 5989 // And now re-install the app. 5990 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5991 pkg.applicationInfo.seinfo); 5992 if (ret == -1) { 5993 // Ack should not happen! 5994 msg = prefix + pkg.packageName 5995 + " could not have data directory re-created after delete."; 5996 reportSettingsProblem(Log.WARN, msg); 5997 throw new PackageManagerException( 5998 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5999 } 6000 } 6001 if (!recovered) { 6002 mHasSystemUidErrors = true; 6003 } 6004 } else if (!recovered) { 6005 // If we allow this install to proceed, we will be broken. 6006 // Abort, abort! 6007 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6008 "scanPackageLI"); 6009 } 6010 if (!recovered) { 6011 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6012 + pkg.applicationInfo.uid + "/fs_" 6013 + currentUid; 6014 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6015 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6016 String msg = "Package " + pkg.packageName 6017 + " has mismatched uid: " 6018 + currentUid + " on disk, " 6019 + pkg.applicationInfo.uid + " in settings"; 6020 // writer 6021 synchronized (mPackages) { 6022 mSettings.mReadMessages.append(msg); 6023 mSettings.mReadMessages.append('\n'); 6024 uidError = true; 6025 if (!pkgSetting.uidError) { 6026 reportSettingsProblem(Log.ERROR, msg); 6027 } 6028 } 6029 } 6030 } 6031 pkg.applicationInfo.dataDir = dataPath.getPath(); 6032 if (mShouldRestoreconData) { 6033 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6034 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 6035 pkg.applicationInfo.uid); 6036 } 6037 } else { 6038 if (DEBUG_PACKAGE_SCANNING) { 6039 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6040 Log.v(TAG, "Want this data dir: " + dataPath); 6041 } 6042 //invoke installer to do the actual installation 6043 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 6044 pkg.applicationInfo.seinfo); 6045 if (ret < 0) { 6046 // Error from installer 6047 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6048 "Unable to create data dirs [errorCode=" + ret + "]"); 6049 } 6050 6051 if (dataPath.exists()) { 6052 pkg.applicationInfo.dataDir = dataPath.getPath(); 6053 } else { 6054 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6055 pkg.applicationInfo.dataDir = null; 6056 } 6057 } 6058 6059 pkgSetting.uidError = uidError; 6060 } 6061 6062 final String path = scanFile.getPath(); 6063 final String codePath = pkg.applicationInfo.getCodePath(); 6064 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6065 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 6066 setBundledAppAbisAndRoots(pkg, pkgSetting); 6067 6068 // If we haven't found any native libraries for the app, check if it has 6069 // renderscript code. We'll need to force the app to 32 bit if it has 6070 // renderscript bitcode. 6071 if (pkg.applicationInfo.primaryCpuAbi == null 6072 && pkg.applicationInfo.secondaryCpuAbi == null 6073 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 6074 NativeLibraryHelper.Handle handle = null; 6075 try { 6076 handle = NativeLibraryHelper.Handle.create(scanFile); 6077 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 6078 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6079 } 6080 } catch (IOException ioe) { 6081 Slog.w(TAG, "Error scanning system app : " + ioe); 6082 } finally { 6083 IoUtils.closeQuietly(handle); 6084 } 6085 } 6086 6087 setNativeLibraryPaths(pkg); 6088 } else { 6089 // TODO: We can probably be smarter about this stuff. For installed apps, 6090 // we can calculate this information at install time once and for all. For 6091 // system apps, we can probably assume that this information doesn't change 6092 // after the first boot scan. As things stand, we do lots of unnecessary work. 6093 6094 // Give ourselves some initial paths; we'll come back for another 6095 // pass once we've determined ABI below. 6096 setNativeLibraryPaths(pkg); 6097 6098 final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg); 6099 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 6100 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 6101 6102 NativeLibraryHelper.Handle handle = null; 6103 try { 6104 handle = NativeLibraryHelper.Handle.create(scanFile); 6105 // TODO(multiArch): This can be null for apps that didn't go through the 6106 // usual installation process. We can calculate it again, like we 6107 // do during install time. 6108 // 6109 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 6110 // unnecessary. 6111 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 6112 6113 // Null out the abis so that they can be recalculated. 6114 pkg.applicationInfo.primaryCpuAbi = null; 6115 pkg.applicationInfo.secondaryCpuAbi = null; 6116 if (isMultiArch(pkg.applicationInfo)) { 6117 // Warn if we've set an abiOverride for multi-lib packages.. 6118 // By definition, we need to copy both 32 and 64 bit libraries for 6119 // such packages. 6120 if (pkg.cpuAbiOverride != null 6121 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 6122 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 6123 } 6124 6125 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 6126 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 6127 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 6128 if (isAsec) { 6129 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 6130 } else { 6131 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6132 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 6133 useIsaSpecificSubdirs); 6134 } 6135 } 6136 6137 maybeThrowExceptionForMultiArchCopy( 6138 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 6139 6140 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 6141 if (isAsec) { 6142 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 6143 } else { 6144 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6145 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 6146 useIsaSpecificSubdirs); 6147 } 6148 } 6149 6150 maybeThrowExceptionForMultiArchCopy( 6151 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 6152 6153 if (abi64 >= 0) { 6154 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 6155 } 6156 6157 if (abi32 >= 0) { 6158 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 6159 if (abi64 >= 0) { 6160 pkg.applicationInfo.secondaryCpuAbi = abi; 6161 } else { 6162 pkg.applicationInfo.primaryCpuAbi = abi; 6163 } 6164 } 6165 } else { 6166 String[] abiList = (cpuAbiOverride != null) ? 6167 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 6168 6169 // Enable gross and lame hacks for apps that are built with old 6170 // SDK tools. We must scan their APKs for renderscript bitcode and 6171 // not launch them if it's present. Don't bother checking on devices 6172 // that don't have 64 bit support. 6173 boolean needsRenderScriptOverride = false; 6174 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 6175 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 6176 abiList = Build.SUPPORTED_32_BIT_ABIS; 6177 needsRenderScriptOverride = true; 6178 } 6179 6180 final int copyRet; 6181 if (isAsec) { 6182 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6183 } else { 6184 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6185 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 6186 } 6187 6188 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 6189 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 6190 "Error unpackaging native libs for app, errorCode=" + copyRet); 6191 } 6192 6193 if (copyRet >= 0) { 6194 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 6195 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 6196 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 6197 } else if (needsRenderScriptOverride) { 6198 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 6199 } 6200 } 6201 } catch (IOException ioe) { 6202 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 6203 } finally { 6204 IoUtils.closeQuietly(handle); 6205 } 6206 6207 // Now that we've calculated the ABIs and determined if it's an internal app, 6208 // we will go ahead and populate the nativeLibraryPath. 6209 setNativeLibraryPaths(pkg); 6210 6211 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 6212 final int[] userIds = sUserManager.getUserIds(); 6213 synchronized (mInstallLock) { 6214 // Create a native library symlink only if we have native libraries 6215 // and if the native libraries are 32 bit libraries. We do not provide 6216 // this symlink for 64 bit libraries. 6217 if (pkg.applicationInfo.primaryCpuAbi != null && 6218 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 6219 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 6220 for (int userId : userIds) { 6221 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 6222 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 6223 "Failed linking native library dir (user=" + userId + ")"); 6224 } 6225 } 6226 } 6227 } 6228 } 6229 6230 // This is a special case for the "system" package, where the ABI is 6231 // dictated by the zygote configuration (and init.rc). We should keep track 6232 // of this ABI so that we can deal with "normal" applications that run under 6233 // the same UID correctly. 6234 if (mPlatformPackage == pkg) { 6235 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 6236 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 6237 } 6238 6239 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6240 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6241 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 6242 // Copy the derived override back to the parsed package, so that we can 6243 // update the package settings accordingly. 6244 pkg.cpuAbiOverride = cpuAbiOverride; 6245 6246 if (DEBUG_ABI_SELECTION) { 6247 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 6248 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 6249 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 6250 } 6251 6252 // Push the derived path down into PackageSettings so we know what to 6253 // clean up at uninstall time. 6254 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 6255 6256 if (DEBUG_ABI_SELECTION) { 6257 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 6258 " primary=" + pkg.applicationInfo.primaryCpuAbi + 6259 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 6260 } 6261 6262 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 6263 // We don't do this here during boot because we can do it all 6264 // at once after scanning all existing packages. 6265 // 6266 // We also do this *before* we perform dexopt on this package, so that 6267 // we can avoid redundant dexopts, and also to make sure we've got the 6268 // code and package path correct. 6269 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 6270 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 6271 } 6272 6273 if ((scanFlags & SCAN_NO_DEX) == 0) { 6274 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 6275 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 6276 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6277 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 6278 } 6279 } 6280 if (mFactoryTest && pkg.requestedPermissions.contains( 6281 android.Manifest.permission.FACTORY_TEST)) { 6282 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 6283 } 6284 6285 ArrayList<PackageParser.Package> clientLibPkgs = null; 6286 6287 // writer 6288 synchronized (mPackages) { 6289 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6290 // Only system apps can add new shared libraries. 6291 if (pkg.libraryNames != null) { 6292 for (int i=0; i<pkg.libraryNames.size(); i++) { 6293 String name = pkg.libraryNames.get(i); 6294 boolean allowed = false; 6295 if (pkg.isUpdatedSystemApp()) { 6296 // New library entries can only be added through the 6297 // system image. This is important to get rid of a lot 6298 // of nasty edge cases: for example if we allowed a non- 6299 // system update of the app to add a library, then uninstalling 6300 // the update would make the library go away, and assumptions 6301 // we made such as through app install filtering would now 6302 // have allowed apps on the device which aren't compatible 6303 // with it. Better to just have the restriction here, be 6304 // conservative, and create many fewer cases that can negatively 6305 // impact the user experience. 6306 final PackageSetting sysPs = mSettings 6307 .getDisabledSystemPkgLPr(pkg.packageName); 6308 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 6309 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 6310 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 6311 allowed = true; 6312 allowed = true; 6313 break; 6314 } 6315 } 6316 } 6317 } else { 6318 allowed = true; 6319 } 6320 if (allowed) { 6321 if (!mSharedLibraries.containsKey(name)) { 6322 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 6323 } else if (!name.equals(pkg.packageName)) { 6324 Slog.w(TAG, "Package " + pkg.packageName + " library " 6325 + name + " already exists; skipping"); 6326 } 6327 } else { 6328 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 6329 + name + " that is not declared on system image; skipping"); 6330 } 6331 } 6332 if ((scanFlags&SCAN_BOOTING) == 0) { 6333 // If we are not booting, we need to update any applications 6334 // that are clients of our shared library. If we are booting, 6335 // this will all be done once the scan is complete. 6336 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 6337 } 6338 } 6339 } 6340 } 6341 6342 // We also need to dexopt any apps that are dependent on this library. Note that 6343 // if these fail, we should abort the install since installing the library will 6344 // result in some apps being broken. 6345 if (clientLibPkgs != null) { 6346 if ((scanFlags & SCAN_NO_DEX) == 0) { 6347 for (int i = 0; i < clientLibPkgs.size(); i++) { 6348 PackageParser.Package clientPkg = clientLibPkgs.get(i); 6349 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 6350 null /* instruction sets */, forceDex, 6351 (scanFlags & SCAN_DEFER_DEX) != 0, false); 6352 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6353 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 6354 "scanPackageLI failed to dexopt clientLibPkgs"); 6355 } 6356 } 6357 } 6358 } 6359 6360 // Request the ActivityManager to kill the process(only for existing packages) 6361 // so that we do not end up in a confused state while the user is still using the older 6362 // version of the application while the new one gets installed. 6363 if ((scanFlags & SCAN_REPLACING) != 0) { 6364 killApplication(pkg.applicationInfo.packageName, 6365 pkg.applicationInfo.uid, "update pkg"); 6366 } 6367 6368 // Also need to kill any apps that are dependent on the library. 6369 if (clientLibPkgs != null) { 6370 for (int i=0; i<clientLibPkgs.size(); i++) { 6371 PackageParser.Package clientPkg = clientLibPkgs.get(i); 6372 killApplication(clientPkg.applicationInfo.packageName, 6373 clientPkg.applicationInfo.uid, "update lib"); 6374 } 6375 } 6376 6377 // writer 6378 synchronized (mPackages) { 6379 // We don't expect installation to fail beyond this point 6380 6381 // Add the new setting to mSettings 6382 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 6383 // Add the new setting to mPackages 6384 mPackages.put(pkg.applicationInfo.packageName, pkg); 6385 // Make sure we don't accidentally delete its data. 6386 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 6387 while (iter.hasNext()) { 6388 PackageCleanItem item = iter.next(); 6389 if (pkgName.equals(item.packageName)) { 6390 iter.remove(); 6391 } 6392 } 6393 6394 // Take care of first install / last update times. 6395 if (currentTime != 0) { 6396 if (pkgSetting.firstInstallTime == 0) { 6397 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 6398 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 6399 pkgSetting.lastUpdateTime = currentTime; 6400 } 6401 } else if (pkgSetting.firstInstallTime == 0) { 6402 // We need *something*. Take time time stamp of the file. 6403 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 6404 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 6405 if (scanFileTime != pkgSetting.timeStamp) { 6406 // A package on the system image has changed; consider this 6407 // to be an update. 6408 pkgSetting.lastUpdateTime = scanFileTime; 6409 } 6410 } 6411 6412 // Add the package's KeySets to the global KeySetManagerService 6413 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6414 try { 6415 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 6416 if (pkg.mKeySetMapping != null) { 6417 ksms.addDefinedKeySetsToPackageLPw(pkg.packageName, pkg.mKeySetMapping); 6418 if (pkg.mUpgradeKeySets != null) { 6419 ksms.addUpgradeKeySetsToPackageLPw(pkg.packageName, pkg.mUpgradeKeySets); 6420 } 6421 } 6422 } catch (NullPointerException e) { 6423 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 6424 } catch (IllegalArgumentException e) { 6425 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 6426 } 6427 6428 int N = pkg.providers.size(); 6429 StringBuilder r = null; 6430 int i; 6431 for (i=0; i<N; i++) { 6432 PackageParser.Provider p = pkg.providers.get(i); 6433 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 6434 p.info.processName, pkg.applicationInfo.uid); 6435 mProviders.addProvider(p); 6436 p.syncable = p.info.isSyncable; 6437 if (p.info.authority != null) { 6438 String names[] = p.info.authority.split(";"); 6439 p.info.authority = null; 6440 for (int j = 0; j < names.length; j++) { 6441 if (j == 1 && p.syncable) { 6442 // We only want the first authority for a provider to possibly be 6443 // syncable, so if we already added this provider using a different 6444 // authority clear the syncable flag. We copy the provider before 6445 // changing it because the mProviders object contains a reference 6446 // to a provider that we don't want to change. 6447 // Only do this for the second authority since the resulting provider 6448 // object can be the same for all future authorities for this provider. 6449 p = new PackageParser.Provider(p); 6450 p.syncable = false; 6451 } 6452 if (!mProvidersByAuthority.containsKey(names[j])) { 6453 mProvidersByAuthority.put(names[j], p); 6454 if (p.info.authority == null) { 6455 p.info.authority = names[j]; 6456 } else { 6457 p.info.authority = p.info.authority + ";" + names[j]; 6458 } 6459 if (DEBUG_PACKAGE_SCANNING) { 6460 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6461 Log.d(TAG, "Registered content provider: " + names[j] 6462 + ", className = " + p.info.name + ", isSyncable = " 6463 + p.info.isSyncable); 6464 } 6465 } else { 6466 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6467 Slog.w(TAG, "Skipping provider name " + names[j] + 6468 " (in package " + pkg.applicationInfo.packageName + 6469 "): name already used by " 6470 + ((other != null && other.getComponentName() != null) 6471 ? other.getComponentName().getPackageName() : "?")); 6472 } 6473 } 6474 } 6475 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6476 if (r == null) { 6477 r = new StringBuilder(256); 6478 } else { 6479 r.append(' '); 6480 } 6481 r.append(p.info.name); 6482 } 6483 } 6484 if (r != null) { 6485 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6486 } 6487 6488 N = pkg.services.size(); 6489 r = null; 6490 for (i=0; i<N; i++) { 6491 PackageParser.Service s = pkg.services.get(i); 6492 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6493 s.info.processName, pkg.applicationInfo.uid); 6494 mServices.addService(s); 6495 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6496 if (r == null) { 6497 r = new StringBuilder(256); 6498 } else { 6499 r.append(' '); 6500 } 6501 r.append(s.info.name); 6502 } 6503 } 6504 if (r != null) { 6505 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6506 } 6507 6508 N = pkg.receivers.size(); 6509 r = null; 6510 for (i=0; i<N; i++) { 6511 PackageParser.Activity a = pkg.receivers.get(i); 6512 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6513 a.info.processName, pkg.applicationInfo.uid); 6514 mReceivers.addActivity(a, "receiver"); 6515 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6516 if (r == null) { 6517 r = new StringBuilder(256); 6518 } else { 6519 r.append(' '); 6520 } 6521 r.append(a.info.name); 6522 } 6523 } 6524 if (r != null) { 6525 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6526 } 6527 6528 N = pkg.activities.size(); 6529 r = null; 6530 for (i=0; i<N; i++) { 6531 PackageParser.Activity a = pkg.activities.get(i); 6532 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6533 a.info.processName, pkg.applicationInfo.uid); 6534 mActivities.addActivity(a, "activity"); 6535 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6536 if (r == null) { 6537 r = new StringBuilder(256); 6538 } else { 6539 r.append(' '); 6540 } 6541 r.append(a.info.name); 6542 } 6543 } 6544 if (r != null) { 6545 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6546 } 6547 6548 N = pkg.permissionGroups.size(); 6549 r = null; 6550 for (i=0; i<N; i++) { 6551 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6552 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6553 if (cur == null) { 6554 mPermissionGroups.put(pg.info.name, pg); 6555 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6556 if (r == null) { 6557 r = new StringBuilder(256); 6558 } else { 6559 r.append(' '); 6560 } 6561 r.append(pg.info.name); 6562 } 6563 } else { 6564 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6565 + pg.info.packageName + " ignored: original from " 6566 + cur.info.packageName); 6567 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6568 if (r == null) { 6569 r = new StringBuilder(256); 6570 } else { 6571 r.append(' '); 6572 } 6573 r.append("DUP:"); 6574 r.append(pg.info.name); 6575 } 6576 } 6577 } 6578 if (r != null) { 6579 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6580 } 6581 6582 N = pkg.permissions.size(); 6583 r = null; 6584 for (i=0; i<N; i++) { 6585 PackageParser.Permission p = pkg.permissions.get(i); 6586 ArrayMap<String, BasePermission> permissionMap = 6587 p.tree ? mSettings.mPermissionTrees 6588 : mSettings.mPermissions; 6589 p.group = mPermissionGroups.get(p.info.group); 6590 if (p.info.group == null || p.group != null) { 6591 BasePermission bp = permissionMap.get(p.info.name); 6592 6593 // Allow system apps to redefine non-system permissions 6594 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6595 final boolean currentOwnerIsSystem = (bp.perm != null 6596 && isSystemApp(bp.perm.owner)); 6597 if (isSystemApp(p.owner)) { 6598 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6599 // It's a built-in permission and no owner, take ownership now 6600 bp.packageSetting = pkgSetting; 6601 bp.perm = p; 6602 bp.uid = pkg.applicationInfo.uid; 6603 bp.sourcePackage = p.info.packageName; 6604 } else if (!currentOwnerIsSystem) { 6605 String msg = "New decl " + p.owner + " of permission " 6606 + p.info.name + " is system; overriding " + bp.sourcePackage; 6607 reportSettingsProblem(Log.WARN, msg); 6608 bp = null; 6609 } 6610 } 6611 } 6612 6613 if (bp == null) { 6614 bp = new BasePermission(p.info.name, p.info.packageName, 6615 BasePermission.TYPE_NORMAL); 6616 permissionMap.put(p.info.name, bp); 6617 } 6618 6619 if (bp.perm == null) { 6620 if (bp.sourcePackage == null 6621 || bp.sourcePackage.equals(p.info.packageName)) { 6622 BasePermission tree = findPermissionTreeLP(p.info.name); 6623 if (tree == null 6624 || tree.sourcePackage.equals(p.info.packageName)) { 6625 bp.packageSetting = pkgSetting; 6626 bp.perm = p; 6627 bp.uid = pkg.applicationInfo.uid; 6628 bp.sourcePackage = p.info.packageName; 6629 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6630 if (r == null) { 6631 r = new StringBuilder(256); 6632 } else { 6633 r.append(' '); 6634 } 6635 r.append(p.info.name); 6636 } 6637 } else { 6638 Slog.w(TAG, "Permission " + p.info.name + " from package " 6639 + p.info.packageName + " ignored: base tree " 6640 + tree.name + " is from package " 6641 + tree.sourcePackage); 6642 } 6643 } else { 6644 Slog.w(TAG, "Permission " + p.info.name + " from package " 6645 + p.info.packageName + " ignored: original from " 6646 + bp.sourcePackage); 6647 } 6648 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6649 if (r == null) { 6650 r = new StringBuilder(256); 6651 } else { 6652 r.append(' '); 6653 } 6654 r.append("DUP:"); 6655 r.append(p.info.name); 6656 } 6657 if (bp.perm == p) { 6658 bp.protectionLevel = p.info.protectionLevel; 6659 } 6660 } else { 6661 Slog.w(TAG, "Permission " + p.info.name + " from package " 6662 + p.info.packageName + " ignored: no group " 6663 + p.group); 6664 } 6665 } 6666 if (r != null) { 6667 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6668 } 6669 6670 N = pkg.instrumentation.size(); 6671 r = null; 6672 for (i=0; i<N; i++) { 6673 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6674 a.info.packageName = pkg.applicationInfo.packageName; 6675 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6676 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6677 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6678 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6679 a.info.dataDir = pkg.applicationInfo.dataDir; 6680 6681 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6682 // need other information about the application, like the ABI and what not ? 6683 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6684 mInstrumentation.put(a.getComponentName(), a); 6685 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6686 if (r == null) { 6687 r = new StringBuilder(256); 6688 } else { 6689 r.append(' '); 6690 } 6691 r.append(a.info.name); 6692 } 6693 } 6694 if (r != null) { 6695 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6696 } 6697 6698 if (pkg.protectedBroadcasts != null) { 6699 N = pkg.protectedBroadcasts.size(); 6700 for (i=0; i<N; i++) { 6701 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6702 } 6703 } 6704 6705 pkgSetting.setTimeStamp(scanFileTime); 6706 6707 // Create idmap files for pairs of (packages, overlay packages). 6708 // Note: "android", ie framework-res.apk, is handled by native layers. 6709 if (pkg.mOverlayTarget != null) { 6710 // This is an overlay package. 6711 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6712 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6713 mOverlays.put(pkg.mOverlayTarget, 6714 new ArrayMap<String, PackageParser.Package>()); 6715 } 6716 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6717 map.put(pkg.packageName, pkg); 6718 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6719 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6720 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6721 "scanPackageLI failed to createIdmap"); 6722 } 6723 } 6724 } else if (mOverlays.containsKey(pkg.packageName) && 6725 !pkg.packageName.equals("android")) { 6726 // This is a regular package, with one or more known overlay packages. 6727 createIdmapsForPackageLI(pkg); 6728 } 6729 } 6730 6731 return pkg; 6732 } 6733 6734 /** 6735 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6736 * i.e, so that all packages can be run inside a single process if required. 6737 * 6738 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6739 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6740 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6741 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6742 * updating a package that belongs to a shared user. 6743 * 6744 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6745 * adds unnecessary complexity. 6746 */ 6747 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6748 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6749 String requiredInstructionSet = null; 6750 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6751 requiredInstructionSet = VMRuntime.getInstructionSet( 6752 scannedPackage.applicationInfo.primaryCpuAbi); 6753 } 6754 6755 PackageSetting requirer = null; 6756 for (PackageSetting ps : packagesForUser) { 6757 // If packagesForUser contains scannedPackage, we skip it. This will happen 6758 // when scannedPackage is an update of an existing package. Without this check, 6759 // we will never be able to change the ABI of any package belonging to a shared 6760 // user, even if it's compatible with other packages. 6761 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6762 if (ps.primaryCpuAbiString == null) { 6763 continue; 6764 } 6765 6766 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6767 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6768 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6769 // this but there's not much we can do. 6770 String errorMessage = "Instruction set mismatch, " 6771 + ((requirer == null) ? "[caller]" : requirer) 6772 + " requires " + requiredInstructionSet + " whereas " + ps 6773 + " requires " + instructionSet; 6774 Slog.w(TAG, errorMessage); 6775 } 6776 6777 if (requiredInstructionSet == null) { 6778 requiredInstructionSet = instructionSet; 6779 requirer = ps; 6780 } 6781 } 6782 } 6783 6784 if (requiredInstructionSet != null) { 6785 String adjustedAbi; 6786 if (requirer != null) { 6787 // requirer != null implies that either scannedPackage was null or that scannedPackage 6788 // did not require an ABI, in which case we have to adjust scannedPackage to match 6789 // the ABI of the set (which is the same as requirer's ABI) 6790 adjustedAbi = requirer.primaryCpuAbiString; 6791 if (scannedPackage != null) { 6792 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6793 } 6794 } else { 6795 // requirer == null implies that we're updating all ABIs in the set to 6796 // match scannedPackage. 6797 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6798 } 6799 6800 for (PackageSetting ps : packagesForUser) { 6801 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6802 if (ps.primaryCpuAbiString != null) { 6803 continue; 6804 } 6805 6806 ps.primaryCpuAbiString = adjustedAbi; 6807 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6808 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6809 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6810 6811 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 6812 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 6813 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6814 ps.primaryCpuAbiString = null; 6815 ps.pkg.applicationInfo.primaryCpuAbi = null; 6816 return; 6817 } else { 6818 mInstaller.rmdex(ps.codePathString, 6819 getDexCodeInstructionSet(getPreferredInstructionSet())); 6820 } 6821 } 6822 } 6823 } 6824 } 6825 } 6826 6827 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6828 synchronized (mPackages) { 6829 mResolverReplaced = true; 6830 // Set up information for custom user intent resolution activity. 6831 mResolveActivity.applicationInfo = pkg.applicationInfo; 6832 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6833 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6834 mResolveActivity.processName = pkg.applicationInfo.packageName; 6835 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6836 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6837 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6838 mResolveActivity.theme = 0; 6839 mResolveActivity.exported = true; 6840 mResolveActivity.enabled = true; 6841 mResolveInfo.activityInfo = mResolveActivity; 6842 mResolveInfo.priority = 0; 6843 mResolveInfo.preferredOrder = 0; 6844 mResolveInfo.match = 0; 6845 mResolveComponentName = mCustomResolverComponentName; 6846 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6847 mResolveComponentName); 6848 } 6849 } 6850 6851 private static String calculateBundledApkRoot(final String codePathString) { 6852 final File codePath = new File(codePathString); 6853 final File codeRoot; 6854 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6855 codeRoot = Environment.getRootDirectory(); 6856 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6857 codeRoot = Environment.getOemDirectory(); 6858 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6859 codeRoot = Environment.getVendorDirectory(); 6860 } else { 6861 // Unrecognized code path; take its top real segment as the apk root: 6862 // e.g. /something/app/blah.apk => /something 6863 try { 6864 File f = codePath.getCanonicalFile(); 6865 File parent = f.getParentFile(); // non-null because codePath is a file 6866 File tmp; 6867 while ((tmp = parent.getParentFile()) != null) { 6868 f = parent; 6869 parent = tmp; 6870 } 6871 codeRoot = f; 6872 Slog.w(TAG, "Unrecognized code path " 6873 + codePath + " - using " + codeRoot); 6874 } catch (IOException e) { 6875 // Can't canonicalize the code path -- shenanigans? 6876 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6877 return Environment.getRootDirectory().getPath(); 6878 } 6879 } 6880 return codeRoot.getPath(); 6881 } 6882 6883 /** 6884 * Derive and set the location of native libraries for the given package, 6885 * which varies depending on where and how the package was installed. 6886 */ 6887 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6888 final ApplicationInfo info = pkg.applicationInfo; 6889 final String codePath = pkg.codePath; 6890 final File codeFile = new File(codePath); 6891 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 6892 final boolean asecApp = info.isForwardLocked() || isExternal(info); 6893 6894 info.nativeLibraryRootDir = null; 6895 info.nativeLibraryRootRequiresIsa = false; 6896 info.nativeLibraryDir = null; 6897 info.secondaryNativeLibraryDir = null; 6898 6899 if (isApkFile(codeFile)) { 6900 // Monolithic install 6901 if (bundledApp) { 6902 // If "/system/lib64/apkname" exists, assume that is the per-package 6903 // native library directory to use; otherwise use "/system/lib/apkname". 6904 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6905 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6906 getPrimaryInstructionSet(info)); 6907 6908 // This is a bundled system app so choose the path based on the ABI. 6909 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6910 // is just the default path. 6911 final String apkName = deriveCodePathName(codePath); 6912 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6913 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6914 apkName).getAbsolutePath(); 6915 6916 if (info.secondaryCpuAbi != null) { 6917 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6918 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6919 secondaryLibDir, apkName).getAbsolutePath(); 6920 } 6921 } else if (asecApp) { 6922 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6923 .getAbsolutePath(); 6924 } else { 6925 final String apkName = deriveCodePathName(codePath); 6926 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6927 .getAbsolutePath(); 6928 } 6929 6930 info.nativeLibraryRootRequiresIsa = false; 6931 info.nativeLibraryDir = info.nativeLibraryRootDir; 6932 } else { 6933 // Cluster install 6934 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6935 info.nativeLibraryRootRequiresIsa = true; 6936 6937 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6938 getPrimaryInstructionSet(info)).getAbsolutePath(); 6939 6940 if (info.secondaryCpuAbi != null) { 6941 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6942 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6943 } 6944 } 6945 } 6946 6947 /** 6948 * Calculate the abis and roots for a bundled app. These can uniquely 6949 * be determined from the contents of the system partition, i.e whether 6950 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6951 * of this information, and instead assume that the system was built 6952 * sensibly. 6953 */ 6954 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6955 PackageSetting pkgSetting) { 6956 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6957 6958 // If "/system/lib64/apkname" exists, assume that is the per-package 6959 // native library directory to use; otherwise use "/system/lib/apkname". 6960 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6961 setBundledAppAbi(pkg, apkRoot, apkName); 6962 // pkgSetting might be null during rescan following uninstall of updates 6963 // to a bundled app, so accommodate that possibility. The settings in 6964 // that case will be established later from the parsed package. 6965 // 6966 // If the settings aren't null, sync them up with what we've just derived. 6967 // note that apkRoot isn't stored in the package settings. 6968 if (pkgSetting != null) { 6969 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6970 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6971 } 6972 } 6973 6974 /** 6975 * Deduces the ABI of a bundled app and sets the relevant fields on the 6976 * parsed pkg object. 6977 * 6978 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6979 * under which system libraries are installed. 6980 * @param apkName the name of the installed package. 6981 */ 6982 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6983 final File codeFile = new File(pkg.codePath); 6984 6985 final boolean has64BitLibs; 6986 final boolean has32BitLibs; 6987 if (isApkFile(codeFile)) { 6988 // Monolithic install 6989 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6990 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6991 } else { 6992 // Cluster install 6993 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6994 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6995 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6996 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6997 has64BitLibs = (new File(rootDir, isa)).exists(); 6998 } else { 6999 has64BitLibs = false; 7000 } 7001 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7002 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7003 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7004 has32BitLibs = (new File(rootDir, isa)).exists(); 7005 } else { 7006 has32BitLibs = false; 7007 } 7008 } 7009 7010 if (has64BitLibs && !has32BitLibs) { 7011 // The package has 64 bit libs, but not 32 bit libs. Its primary 7012 // ABI should be 64 bit. We can safely assume here that the bundled 7013 // native libraries correspond to the most preferred ABI in the list. 7014 7015 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7016 pkg.applicationInfo.secondaryCpuAbi = null; 7017 } else if (has32BitLibs && !has64BitLibs) { 7018 // The package has 32 bit libs but not 64 bit libs. Its primary 7019 // ABI should be 32 bit. 7020 7021 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7022 pkg.applicationInfo.secondaryCpuAbi = null; 7023 } else if (has32BitLibs && has64BitLibs) { 7024 // The application has both 64 and 32 bit bundled libraries. We check 7025 // here that the app declares multiArch support, and warn if it doesn't. 7026 // 7027 // We will be lenient here and record both ABIs. The primary will be the 7028 // ABI that's higher on the list, i.e, a device that's configured to prefer 7029 // 64 bit apps will see a 64 bit primary ABI, 7030 7031 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7032 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 7033 } 7034 7035 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 7036 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7037 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7038 } else { 7039 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7040 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7041 } 7042 } else { 7043 pkg.applicationInfo.primaryCpuAbi = null; 7044 pkg.applicationInfo.secondaryCpuAbi = null; 7045 } 7046 } 7047 7048 private void killApplication(String pkgName, int appId, String reason) { 7049 // Request the ActivityManager to kill the process(only for existing packages) 7050 // so that we do not end up in a confused state while the user is still using the older 7051 // version of the application while the new one gets installed. 7052 IActivityManager am = ActivityManagerNative.getDefault(); 7053 if (am != null) { 7054 try { 7055 am.killApplicationWithAppId(pkgName, appId, reason); 7056 } catch (RemoteException e) { 7057 } 7058 } 7059 } 7060 7061 void removePackageLI(PackageSetting ps, boolean chatty) { 7062 if (DEBUG_INSTALL) { 7063 if (chatty) 7064 Log.d(TAG, "Removing package " + ps.name); 7065 } 7066 7067 // writer 7068 synchronized (mPackages) { 7069 mPackages.remove(ps.name); 7070 final PackageParser.Package pkg = ps.pkg; 7071 if (pkg != null) { 7072 cleanPackageDataStructuresLILPw(pkg, chatty); 7073 } 7074 } 7075 } 7076 7077 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 7078 if (DEBUG_INSTALL) { 7079 if (chatty) 7080 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 7081 } 7082 7083 // writer 7084 synchronized (mPackages) { 7085 mPackages.remove(pkg.applicationInfo.packageName); 7086 cleanPackageDataStructuresLILPw(pkg, chatty); 7087 } 7088 } 7089 7090 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 7091 int N = pkg.providers.size(); 7092 StringBuilder r = null; 7093 int i; 7094 for (i=0; i<N; i++) { 7095 PackageParser.Provider p = pkg.providers.get(i); 7096 mProviders.removeProvider(p); 7097 if (p.info.authority == null) { 7098 7099 /* There was another ContentProvider with this authority when 7100 * this app was installed so this authority is null, 7101 * Ignore it as we don't have to unregister the provider. 7102 */ 7103 continue; 7104 } 7105 String names[] = p.info.authority.split(";"); 7106 for (int j = 0; j < names.length; j++) { 7107 if (mProvidersByAuthority.get(names[j]) == p) { 7108 mProvidersByAuthority.remove(names[j]); 7109 if (DEBUG_REMOVE) { 7110 if (chatty) 7111 Log.d(TAG, "Unregistered content provider: " + names[j] 7112 + ", className = " + p.info.name + ", isSyncable = " 7113 + p.info.isSyncable); 7114 } 7115 } 7116 } 7117 if (DEBUG_REMOVE && chatty) { 7118 if (r == null) { 7119 r = new StringBuilder(256); 7120 } else { 7121 r.append(' '); 7122 } 7123 r.append(p.info.name); 7124 } 7125 } 7126 if (r != null) { 7127 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 7128 } 7129 7130 N = pkg.services.size(); 7131 r = null; 7132 for (i=0; i<N; i++) { 7133 PackageParser.Service s = pkg.services.get(i); 7134 mServices.removeService(s); 7135 if (chatty) { 7136 if (r == null) { 7137 r = new StringBuilder(256); 7138 } else { 7139 r.append(' '); 7140 } 7141 r.append(s.info.name); 7142 } 7143 } 7144 if (r != null) { 7145 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 7146 } 7147 7148 N = pkg.receivers.size(); 7149 r = null; 7150 for (i=0; i<N; i++) { 7151 PackageParser.Activity a = pkg.receivers.get(i); 7152 mReceivers.removeActivity(a, "receiver"); 7153 if (DEBUG_REMOVE && chatty) { 7154 if (r == null) { 7155 r = new StringBuilder(256); 7156 } else { 7157 r.append(' '); 7158 } 7159 r.append(a.info.name); 7160 } 7161 } 7162 if (r != null) { 7163 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 7164 } 7165 7166 N = pkg.activities.size(); 7167 r = null; 7168 for (i=0; i<N; i++) { 7169 PackageParser.Activity a = pkg.activities.get(i); 7170 mActivities.removeActivity(a, "activity"); 7171 if (DEBUG_REMOVE && chatty) { 7172 if (r == null) { 7173 r = new StringBuilder(256); 7174 } else { 7175 r.append(' '); 7176 } 7177 r.append(a.info.name); 7178 } 7179 } 7180 if (r != null) { 7181 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 7182 } 7183 7184 N = pkg.permissions.size(); 7185 r = null; 7186 for (i=0; i<N; i++) { 7187 PackageParser.Permission p = pkg.permissions.get(i); 7188 BasePermission bp = mSettings.mPermissions.get(p.info.name); 7189 if (bp == null) { 7190 bp = mSettings.mPermissionTrees.get(p.info.name); 7191 } 7192 if (bp != null && bp.perm == p) { 7193 bp.perm = null; 7194 if (DEBUG_REMOVE && chatty) { 7195 if (r == null) { 7196 r = new StringBuilder(256); 7197 } else { 7198 r.append(' '); 7199 } 7200 r.append(p.info.name); 7201 } 7202 } 7203 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7204 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 7205 if (appOpPerms != null) { 7206 appOpPerms.remove(pkg.packageName); 7207 } 7208 } 7209 } 7210 if (r != null) { 7211 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 7212 } 7213 7214 N = pkg.requestedPermissions.size(); 7215 r = null; 7216 for (i=0; i<N; i++) { 7217 String perm = pkg.requestedPermissions.get(i); 7218 BasePermission bp = mSettings.mPermissions.get(perm); 7219 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7220 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 7221 if (appOpPerms != null) { 7222 appOpPerms.remove(pkg.packageName); 7223 if (appOpPerms.isEmpty()) { 7224 mAppOpPermissionPackages.remove(perm); 7225 } 7226 } 7227 } 7228 } 7229 if (r != null) { 7230 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 7231 } 7232 7233 N = pkg.instrumentation.size(); 7234 r = null; 7235 for (i=0; i<N; i++) { 7236 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7237 mInstrumentation.remove(a.getComponentName()); 7238 if (DEBUG_REMOVE && chatty) { 7239 if (r == null) { 7240 r = new StringBuilder(256); 7241 } else { 7242 r.append(' '); 7243 } 7244 r.append(a.info.name); 7245 } 7246 } 7247 if (r != null) { 7248 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 7249 } 7250 7251 r = null; 7252 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7253 // Only system apps can hold shared libraries. 7254 if (pkg.libraryNames != null) { 7255 for (i=0; i<pkg.libraryNames.size(); i++) { 7256 String name = pkg.libraryNames.get(i); 7257 SharedLibraryEntry cur = mSharedLibraries.get(name); 7258 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 7259 mSharedLibraries.remove(name); 7260 if (DEBUG_REMOVE && chatty) { 7261 if (r == null) { 7262 r = new StringBuilder(256); 7263 } else { 7264 r.append(' '); 7265 } 7266 r.append(name); 7267 } 7268 } 7269 } 7270 } 7271 } 7272 if (r != null) { 7273 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 7274 } 7275 } 7276 7277 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 7278 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 7279 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 7280 return true; 7281 } 7282 } 7283 return false; 7284 } 7285 7286 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 7287 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 7288 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 7289 7290 private void updatePermissionsLPw(String changingPkg, 7291 PackageParser.Package pkgInfo, int flags) { 7292 // Make sure there are no dangling permission trees. 7293 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 7294 while (it.hasNext()) { 7295 final BasePermission bp = it.next(); 7296 if (bp.packageSetting == null) { 7297 // We may not yet have parsed the package, so just see if 7298 // we still know about its settings. 7299 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 7300 } 7301 if (bp.packageSetting == null) { 7302 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 7303 + " from package " + bp.sourcePackage); 7304 it.remove(); 7305 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 7306 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 7307 Slog.i(TAG, "Removing old permission tree: " + bp.name 7308 + " from package " + bp.sourcePackage); 7309 flags |= UPDATE_PERMISSIONS_ALL; 7310 it.remove(); 7311 } 7312 } 7313 } 7314 7315 // Make sure all dynamic permissions have been assigned to a package, 7316 // and make sure there are no dangling permissions. 7317 it = mSettings.mPermissions.values().iterator(); 7318 while (it.hasNext()) { 7319 final BasePermission bp = it.next(); 7320 if (bp.type == BasePermission.TYPE_DYNAMIC) { 7321 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 7322 + bp.name + " pkg=" + bp.sourcePackage 7323 + " info=" + bp.pendingInfo); 7324 if (bp.packageSetting == null && bp.pendingInfo != null) { 7325 final BasePermission tree = findPermissionTreeLP(bp.name); 7326 if (tree != null && tree.perm != null) { 7327 bp.packageSetting = tree.packageSetting; 7328 bp.perm = new PackageParser.Permission(tree.perm.owner, 7329 new PermissionInfo(bp.pendingInfo)); 7330 bp.perm.info.packageName = tree.perm.info.packageName; 7331 bp.perm.info.name = bp.name; 7332 bp.uid = tree.uid; 7333 } 7334 } 7335 } 7336 if (bp.packageSetting == null) { 7337 // We may not yet have parsed the package, so just see if 7338 // we still know about its settings. 7339 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 7340 } 7341 if (bp.packageSetting == null) { 7342 Slog.w(TAG, "Removing dangling permission: " + bp.name 7343 + " from package " + bp.sourcePackage); 7344 it.remove(); 7345 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 7346 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 7347 Slog.i(TAG, "Removing old permission: " + bp.name 7348 + " from package " + bp.sourcePackage); 7349 flags |= UPDATE_PERMISSIONS_ALL; 7350 it.remove(); 7351 } 7352 } 7353 } 7354 7355 // Now update the permissions for all packages, in particular 7356 // replace the granted permissions of the system packages. 7357 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 7358 for (PackageParser.Package pkg : mPackages.values()) { 7359 if (pkg != pkgInfo) { 7360 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 7361 changingPkg); 7362 } 7363 } 7364 } 7365 7366 if (pkgInfo != null) { 7367 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 7368 } 7369 } 7370 7371 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 7372 String packageOfInterest) { 7373 // IMPORTANT: There are two types of permissions: install and runtime. 7374 // Install time permissions are granted when the app is installed to 7375 // all device users and users added in the future. Runtime permissions 7376 // are granted at runtime explicitly to specific users. Normal and signature 7377 // protected permissions are install time permissions. Dangerous permissions 7378 // are install permissions if the app's target SDK is Lollipop MR1 or older, 7379 // otherwise they are runtime permissions. This function does not manage 7380 // runtime permissions except for the case an app targeting Lollipop MR1 7381 // being upgraded to target a newer SDK, in which case dangerous permissions 7382 // are transformed from install time to runtime ones. 7383 7384 final PackageSetting ps = (PackageSetting) pkg.mExtras; 7385 if (ps == null) { 7386 return; 7387 } 7388 7389 PermissionsState permissionsState = ps.getPermissionsState(); 7390 PermissionsState origPermissions = permissionsState; 7391 7392 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 7393 7394 int[] upgradeUserIds = PermissionsState.USERS_NONE; 7395 int[] changedRuntimePermissionUserIds = PermissionsState.USERS_NONE; 7396 7397 boolean changedInstallPermission = false; 7398 7399 if (replace) { 7400 ps.installPermissionsFixed = false; 7401 if (!ps.isSharedUser()) { 7402 origPermissions = new PermissionsState(permissionsState); 7403 permissionsState.reset(); 7404 } 7405 } 7406 7407 permissionsState.setGlobalGids(mGlobalGids); 7408 7409 final int N = pkg.requestedPermissions.size(); 7410 for (int i=0; i<N; i++) { 7411 final String name = pkg.requestedPermissions.get(i); 7412 final BasePermission bp = mSettings.mPermissions.get(name); 7413 7414 if (DEBUG_INSTALL) { 7415 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 7416 } 7417 7418 if (bp == null || bp.packageSetting == null) { 7419 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7420 Slog.w(TAG, "Unknown permission " + name 7421 + " in package " + pkg.packageName); 7422 } 7423 continue; 7424 } 7425 7426 final String perm = bp.name; 7427 boolean allowedSig = false; 7428 int grant = GRANT_DENIED; 7429 7430 // Keep track of app op permissions. 7431 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7432 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 7433 if (pkgs == null) { 7434 pkgs = new ArraySet<>(); 7435 mAppOpPermissionPackages.put(bp.name, pkgs); 7436 } 7437 pkgs.add(pkg.packageName); 7438 } 7439 7440 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 7441 switch (level) { 7442 case PermissionInfo.PROTECTION_NORMAL: { 7443 // For all apps normal permissions are install time ones. 7444 grant = GRANT_INSTALL; 7445 } break; 7446 7447 case PermissionInfo.PROTECTION_DANGEROUS: { 7448 if (!RUNTIME_PERMISSIONS_ENABLED 7449 || pkg.applicationInfo.targetSdkVersion 7450 <= Build.VERSION_CODES.LOLLIPOP_MR1) { 7451 // For legacy apps dangerous permissions are install time ones. 7452 grant = GRANT_INSTALL; 7453 } else if (ps.isSystem()) { 7454 final int[] updatedUserIds = ps.getPermissionsUpdatedForUserIds(); 7455 if (origPermissions.hasInstallPermission(bp.name)) { 7456 // If a system app had an install permission, then the app was 7457 // upgraded and we grant the permissions as runtime to all users. 7458 grant = GRANT_UPGRADE; 7459 upgradeUserIds = currentUserIds; 7460 } else if (!Arrays.equals(updatedUserIds, currentUserIds)) { 7461 // If users changed since the last permissions update for a 7462 // system app, we grant the permission as runtime to the new users. 7463 grant = GRANT_UPGRADE; 7464 upgradeUserIds = currentUserIds; 7465 for (int userId : updatedUserIds) { 7466 upgradeUserIds = ArrayUtils.removeInt(upgradeUserIds, userId); 7467 } 7468 } else { 7469 // Otherwise, we grant the permission as runtime if the app 7470 // already had it, i.e. we preserve runtime permissions. 7471 grant = GRANT_RUNTIME; 7472 } 7473 } else if (origPermissions.hasInstallPermission(bp.name)) { 7474 // For legacy apps that became modern, install becomes runtime. 7475 grant = GRANT_UPGRADE; 7476 upgradeUserIds = currentUserIds; 7477 } else if (replace) { 7478 // For upgraded modern apps keep runtime permissions unchanged. 7479 grant = GRANT_RUNTIME; 7480 } 7481 } break; 7482 7483 case PermissionInfo.PROTECTION_SIGNATURE: { 7484 // For all apps signature permissions are install time ones. 7485 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 7486 if (allowedSig) { 7487 grant = GRANT_INSTALL; 7488 } 7489 } break; 7490 } 7491 7492 if (DEBUG_INSTALL) { 7493 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7494 } 7495 7496 if (grant != GRANT_DENIED) { 7497 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 7498 // If this is an existing, non-system package, then 7499 // we can't add any new permissions to it. 7500 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 7501 // Except... if this is a permission that was added 7502 // to the platform (note: need to only do this when 7503 // updating the platform). 7504 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 7505 grant = GRANT_DENIED; 7506 } 7507 } 7508 } 7509 7510 switch (grant) { 7511 case GRANT_INSTALL: { 7512 // Grant an install permission. 7513 if (permissionsState.grantInstallPermission(bp) != 7514 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7515 changedInstallPermission = true; 7516 } 7517 } break; 7518 7519 case GRANT_RUNTIME: { 7520 // Grant previously granted runtime permissions. 7521 for (int userId : UserManagerService.getInstance().getUserIds()) { 7522 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 7523 if (permissionsState.grantRuntimePermission(bp, userId) == 7524 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7525 // If we cannot put the permission as it was, we have to write. 7526 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 7527 changedRuntimePermissionUserIds, userId); 7528 } 7529 } 7530 } 7531 } break; 7532 7533 case GRANT_UPGRADE: { 7534 // Grant runtime permissions for a previously held install permission. 7535 permissionsState.revokeInstallPermission(bp); 7536 for (int userId : upgradeUserIds) { 7537 if (permissionsState.grantRuntimePermission(bp, userId) != 7538 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7539 // If we granted the permission, we have to write. 7540 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 7541 changedRuntimePermissionUserIds, userId); 7542 } 7543 } 7544 } break; 7545 7546 default: { 7547 if (packageOfInterest == null 7548 || packageOfInterest.equals(pkg.packageName)) { 7549 Slog.w(TAG, "Not granting permission " + perm 7550 + " to package " + pkg.packageName 7551 + " because it was previously installed without"); 7552 } 7553 } break; 7554 } 7555 } else { 7556 if (permissionsState.revokeInstallPermission(bp) != 7557 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7558 changedInstallPermission = true; 7559 Slog.i(TAG, "Un-granting permission " + perm 7560 + " from package " + pkg.packageName 7561 + " (protectionLevel=" + bp.protectionLevel 7562 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7563 + ")"); 7564 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7565 // Don't print warning for app op permissions, since it is fine for them 7566 // not to be granted, there is a UI for the user to decide. 7567 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7568 Slog.w(TAG, "Not granting permission " + perm 7569 + " to package " + pkg.packageName 7570 + " (protectionLevel=" + bp.protectionLevel 7571 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7572 + ")"); 7573 } 7574 } 7575 } 7576 } 7577 7578 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 7579 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7580 // This is the first that we have heard about this package, so the 7581 // permissions we have now selected are fixed until explicitly 7582 // changed. 7583 ps.installPermissionsFixed = true; 7584 } 7585 7586 ps.setPermissionsUpdatedForUserIds(currentUserIds); 7587 7588 // Persist the runtime permissions state for users with changes. 7589 if (RUNTIME_PERMISSIONS_ENABLED) { 7590 for (int userId : changedRuntimePermissionUserIds) { 7591 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 7592 } 7593 } 7594 } 7595 7596 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7597 boolean allowed = false; 7598 final int NP = PackageParser.NEW_PERMISSIONS.length; 7599 for (int ip=0; ip<NP; ip++) { 7600 final PackageParser.NewPermissionInfo npi 7601 = PackageParser.NEW_PERMISSIONS[ip]; 7602 if (npi.name.equals(perm) 7603 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7604 allowed = true; 7605 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7606 + pkg.packageName); 7607 break; 7608 } 7609 } 7610 return allowed; 7611 } 7612 7613 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7614 BasePermission bp, PermissionsState origPermissions) { 7615 boolean allowed; 7616 allowed = (compareSignatures( 7617 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7618 == PackageManager.SIGNATURE_MATCH) 7619 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7620 == PackageManager.SIGNATURE_MATCH); 7621 if (!allowed && (bp.protectionLevel 7622 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7623 if (isSystemApp(pkg)) { 7624 // For updated system applications, a system permission 7625 // is granted only if it had been defined by the original application. 7626 if (pkg.isUpdatedSystemApp()) { 7627 final PackageSetting sysPs = mSettings 7628 .getDisabledSystemPkgLPr(pkg.packageName); 7629 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 7630 // If the original was granted this permission, we take 7631 // that grant decision as read and propagate it to the 7632 // update. 7633 if (sysPs.isPrivileged()) { 7634 allowed = true; 7635 } 7636 } else { 7637 // The system apk may have been updated with an older 7638 // version of the one on the data partition, but which 7639 // granted a new system permission that it didn't have 7640 // before. In this case we do want to allow the app to 7641 // now get the new permission if the ancestral apk is 7642 // privileged to get it. 7643 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7644 for (int j=0; 7645 j<sysPs.pkg.requestedPermissions.size(); j++) { 7646 if (perm.equals( 7647 sysPs.pkg.requestedPermissions.get(j))) { 7648 allowed = true; 7649 break; 7650 } 7651 } 7652 } 7653 } 7654 } else { 7655 allowed = isPrivilegedApp(pkg); 7656 } 7657 } 7658 } 7659 if (!allowed && (bp.protectionLevel 7660 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7661 // For development permissions, a development permission 7662 // is granted only if it was already granted. 7663 allowed = origPermissions.hasInstallPermission(perm); 7664 } 7665 return allowed; 7666 } 7667 7668 final class ActivityIntentResolver 7669 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7670 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7671 boolean defaultOnly, int userId) { 7672 if (!sUserManager.exists(userId)) return null; 7673 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7674 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7675 } 7676 7677 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7678 int userId) { 7679 if (!sUserManager.exists(userId)) return null; 7680 mFlags = flags; 7681 return super.queryIntent(intent, resolvedType, 7682 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7683 } 7684 7685 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7686 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7687 if (!sUserManager.exists(userId)) return null; 7688 if (packageActivities == null) { 7689 return null; 7690 } 7691 mFlags = flags; 7692 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7693 final int N = packageActivities.size(); 7694 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7695 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7696 7697 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7698 for (int i = 0; i < N; ++i) { 7699 intentFilters = packageActivities.get(i).intents; 7700 if (intentFilters != null && intentFilters.size() > 0) { 7701 PackageParser.ActivityIntentInfo[] array = 7702 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7703 intentFilters.toArray(array); 7704 listCut.add(array); 7705 } 7706 } 7707 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7708 } 7709 7710 public final void addActivity(PackageParser.Activity a, String type) { 7711 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 7712 mActivities.put(a.getComponentName(), a); 7713 if (DEBUG_SHOW_INFO) 7714 Log.v( 7715 TAG, " " + type + " " + 7716 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7717 if (DEBUG_SHOW_INFO) 7718 Log.v(TAG, " Class=" + a.info.name); 7719 final int NI = a.intents.size(); 7720 for (int j=0; j<NI; j++) { 7721 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7722 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7723 intent.setPriority(0); 7724 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7725 + a.className + " with priority > 0, forcing to 0"); 7726 } 7727 if (DEBUG_SHOW_INFO) { 7728 Log.v(TAG, " IntentFilter:"); 7729 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7730 } 7731 if (!intent.debugCheck()) { 7732 Log.w(TAG, "==> For Activity " + a.info.name); 7733 } 7734 addFilter(intent); 7735 } 7736 } 7737 7738 public final void removeActivity(PackageParser.Activity a, String type) { 7739 mActivities.remove(a.getComponentName()); 7740 if (DEBUG_SHOW_INFO) { 7741 Log.v(TAG, " " + type + " " 7742 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7743 : a.info.name) + ":"); 7744 Log.v(TAG, " Class=" + a.info.name); 7745 } 7746 final int NI = a.intents.size(); 7747 for (int j=0; j<NI; j++) { 7748 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7749 if (DEBUG_SHOW_INFO) { 7750 Log.v(TAG, " IntentFilter:"); 7751 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7752 } 7753 removeFilter(intent); 7754 } 7755 } 7756 7757 @Override 7758 protected boolean allowFilterResult( 7759 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7760 ActivityInfo filterAi = filter.activity.info; 7761 for (int i=dest.size()-1; i>=0; i--) { 7762 ActivityInfo destAi = dest.get(i).activityInfo; 7763 if (destAi.name == filterAi.name 7764 && destAi.packageName == filterAi.packageName) { 7765 return false; 7766 } 7767 } 7768 return true; 7769 } 7770 7771 @Override 7772 protected ActivityIntentInfo[] newArray(int size) { 7773 return new ActivityIntentInfo[size]; 7774 } 7775 7776 @Override 7777 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7778 if (!sUserManager.exists(userId)) return true; 7779 PackageParser.Package p = filter.activity.owner; 7780 if (p != null) { 7781 PackageSetting ps = (PackageSetting)p.mExtras; 7782 if (ps != null) { 7783 // System apps are never considered stopped for purposes of 7784 // filtering, because there may be no way for the user to 7785 // actually re-launch them. 7786 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7787 && ps.getStopped(userId); 7788 } 7789 } 7790 return false; 7791 } 7792 7793 @Override 7794 protected boolean isPackageForFilter(String packageName, 7795 PackageParser.ActivityIntentInfo info) { 7796 return packageName.equals(info.activity.owner.packageName); 7797 } 7798 7799 @Override 7800 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7801 int match, int userId) { 7802 if (!sUserManager.exists(userId)) return null; 7803 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7804 return null; 7805 } 7806 final PackageParser.Activity activity = info.activity; 7807 if (mSafeMode && (activity.info.applicationInfo.flags 7808 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7809 return null; 7810 } 7811 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7812 if (ps == null) { 7813 return null; 7814 } 7815 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7816 ps.readUserState(userId), userId); 7817 if (ai == null) { 7818 return null; 7819 } 7820 final ResolveInfo res = new ResolveInfo(); 7821 res.activityInfo = ai; 7822 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7823 res.filter = info; 7824 } 7825 if (info != null) { 7826 res.filterNeedsVerification = info.needsVerification(); 7827 } 7828 res.priority = info.getPriority(); 7829 res.preferredOrder = activity.owner.mPreferredOrder; 7830 //System.out.println("Result: " + res.activityInfo.className + 7831 // " = " + res.priority); 7832 res.match = match; 7833 res.isDefault = info.hasDefault; 7834 res.labelRes = info.labelRes; 7835 res.nonLocalizedLabel = info.nonLocalizedLabel; 7836 if (userNeedsBadging(userId)) { 7837 res.noResourceId = true; 7838 } else { 7839 res.icon = info.icon; 7840 } 7841 res.system = res.activityInfo.applicationInfo.isSystemApp(); 7842 return res; 7843 } 7844 7845 @Override 7846 protected void sortResults(List<ResolveInfo> results) { 7847 Collections.sort(results, mResolvePrioritySorter); 7848 } 7849 7850 @Override 7851 protected void dumpFilter(PrintWriter out, String prefix, 7852 PackageParser.ActivityIntentInfo filter) { 7853 out.print(prefix); out.print( 7854 Integer.toHexString(System.identityHashCode(filter.activity))); 7855 out.print(' '); 7856 filter.activity.printComponentShortName(out); 7857 out.print(" filter "); 7858 out.println(Integer.toHexString(System.identityHashCode(filter))); 7859 } 7860 7861 @Override 7862 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7863 return filter.activity; 7864 } 7865 7866 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7867 PackageParser.Activity activity = (PackageParser.Activity)label; 7868 out.print(prefix); out.print( 7869 Integer.toHexString(System.identityHashCode(activity))); 7870 out.print(' '); 7871 activity.printComponentShortName(out); 7872 if (count > 1) { 7873 out.print(" ("); out.print(count); out.print(" filters)"); 7874 } 7875 out.println(); 7876 } 7877 7878// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7879// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7880// final List<ResolveInfo> retList = Lists.newArrayList(); 7881// while (i.hasNext()) { 7882// final ResolveInfo resolveInfo = i.next(); 7883// if (isEnabledLP(resolveInfo.activityInfo)) { 7884// retList.add(resolveInfo); 7885// } 7886// } 7887// return retList; 7888// } 7889 7890 // Keys are String (activity class name), values are Activity. 7891 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7892 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7893 private int mFlags; 7894 } 7895 7896 private final class ServiceIntentResolver 7897 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7898 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7899 boolean defaultOnly, int userId) { 7900 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7901 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7902 } 7903 7904 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7905 int userId) { 7906 if (!sUserManager.exists(userId)) return null; 7907 mFlags = flags; 7908 return super.queryIntent(intent, resolvedType, 7909 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7910 } 7911 7912 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7913 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7914 if (!sUserManager.exists(userId)) return null; 7915 if (packageServices == null) { 7916 return null; 7917 } 7918 mFlags = flags; 7919 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7920 final int N = packageServices.size(); 7921 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7922 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7923 7924 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7925 for (int i = 0; i < N; ++i) { 7926 intentFilters = packageServices.get(i).intents; 7927 if (intentFilters != null && intentFilters.size() > 0) { 7928 PackageParser.ServiceIntentInfo[] array = 7929 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7930 intentFilters.toArray(array); 7931 listCut.add(array); 7932 } 7933 } 7934 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7935 } 7936 7937 public final void addService(PackageParser.Service s) { 7938 mServices.put(s.getComponentName(), s); 7939 if (DEBUG_SHOW_INFO) { 7940 Log.v(TAG, " " 7941 + (s.info.nonLocalizedLabel != null 7942 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7943 Log.v(TAG, " Class=" + s.info.name); 7944 } 7945 final int NI = s.intents.size(); 7946 int j; 7947 for (j=0; j<NI; j++) { 7948 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7949 if (DEBUG_SHOW_INFO) { 7950 Log.v(TAG, " IntentFilter:"); 7951 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7952 } 7953 if (!intent.debugCheck()) { 7954 Log.w(TAG, "==> For Service " + s.info.name); 7955 } 7956 addFilter(intent); 7957 } 7958 } 7959 7960 public final void removeService(PackageParser.Service s) { 7961 mServices.remove(s.getComponentName()); 7962 if (DEBUG_SHOW_INFO) { 7963 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7964 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7965 Log.v(TAG, " Class=" + s.info.name); 7966 } 7967 final int NI = s.intents.size(); 7968 int j; 7969 for (j=0; j<NI; j++) { 7970 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7971 if (DEBUG_SHOW_INFO) { 7972 Log.v(TAG, " IntentFilter:"); 7973 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7974 } 7975 removeFilter(intent); 7976 } 7977 } 7978 7979 @Override 7980 protected boolean allowFilterResult( 7981 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7982 ServiceInfo filterSi = filter.service.info; 7983 for (int i=dest.size()-1; i>=0; i--) { 7984 ServiceInfo destAi = dest.get(i).serviceInfo; 7985 if (destAi.name == filterSi.name 7986 && destAi.packageName == filterSi.packageName) { 7987 return false; 7988 } 7989 } 7990 return true; 7991 } 7992 7993 @Override 7994 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7995 return new PackageParser.ServiceIntentInfo[size]; 7996 } 7997 7998 @Override 7999 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 8000 if (!sUserManager.exists(userId)) return true; 8001 PackageParser.Package p = filter.service.owner; 8002 if (p != null) { 8003 PackageSetting ps = (PackageSetting)p.mExtras; 8004 if (ps != null) { 8005 // System apps are never considered stopped for purposes of 8006 // filtering, because there may be no way for the user to 8007 // actually re-launch them. 8008 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 8009 && ps.getStopped(userId); 8010 } 8011 } 8012 return false; 8013 } 8014 8015 @Override 8016 protected boolean isPackageForFilter(String packageName, 8017 PackageParser.ServiceIntentInfo info) { 8018 return packageName.equals(info.service.owner.packageName); 8019 } 8020 8021 @Override 8022 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 8023 int match, int userId) { 8024 if (!sUserManager.exists(userId)) return null; 8025 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 8026 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 8027 return null; 8028 } 8029 final PackageParser.Service service = info.service; 8030 if (mSafeMode && (service.info.applicationInfo.flags 8031 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8032 return null; 8033 } 8034 PackageSetting ps = (PackageSetting) service.owner.mExtras; 8035 if (ps == null) { 8036 return null; 8037 } 8038 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 8039 ps.readUserState(userId), userId); 8040 if (si == null) { 8041 return null; 8042 } 8043 final ResolveInfo res = new ResolveInfo(); 8044 res.serviceInfo = si; 8045 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8046 res.filter = filter; 8047 } 8048 res.priority = info.getPriority(); 8049 res.preferredOrder = service.owner.mPreferredOrder; 8050 res.match = match; 8051 res.isDefault = info.hasDefault; 8052 res.labelRes = info.labelRes; 8053 res.nonLocalizedLabel = info.nonLocalizedLabel; 8054 res.icon = info.icon; 8055 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 8056 return res; 8057 } 8058 8059 @Override 8060 protected void sortResults(List<ResolveInfo> results) { 8061 Collections.sort(results, mResolvePrioritySorter); 8062 } 8063 8064 @Override 8065 protected void dumpFilter(PrintWriter out, String prefix, 8066 PackageParser.ServiceIntentInfo filter) { 8067 out.print(prefix); out.print( 8068 Integer.toHexString(System.identityHashCode(filter.service))); 8069 out.print(' '); 8070 filter.service.printComponentShortName(out); 8071 out.print(" filter "); 8072 out.println(Integer.toHexString(System.identityHashCode(filter))); 8073 } 8074 8075 @Override 8076 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 8077 return filter.service; 8078 } 8079 8080 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8081 PackageParser.Service service = (PackageParser.Service)label; 8082 out.print(prefix); out.print( 8083 Integer.toHexString(System.identityHashCode(service))); 8084 out.print(' '); 8085 service.printComponentShortName(out); 8086 if (count > 1) { 8087 out.print(" ("); out.print(count); out.print(" filters)"); 8088 } 8089 out.println(); 8090 } 8091 8092// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8093// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8094// final List<ResolveInfo> retList = Lists.newArrayList(); 8095// while (i.hasNext()) { 8096// final ResolveInfo resolveInfo = (ResolveInfo) i; 8097// if (isEnabledLP(resolveInfo.serviceInfo)) { 8098// retList.add(resolveInfo); 8099// } 8100// } 8101// return retList; 8102// } 8103 8104 // Keys are String (activity class name), values are Activity. 8105 private final ArrayMap<ComponentName, PackageParser.Service> mServices 8106 = new ArrayMap<ComponentName, PackageParser.Service>(); 8107 private int mFlags; 8108 }; 8109 8110 private final class ProviderIntentResolver 8111 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 8112 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8113 boolean defaultOnly, int userId) { 8114 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8115 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8116 } 8117 8118 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8119 int userId) { 8120 if (!sUserManager.exists(userId)) 8121 return null; 8122 mFlags = flags; 8123 return super.queryIntent(intent, resolvedType, 8124 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8125 } 8126 8127 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8128 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 8129 if (!sUserManager.exists(userId)) 8130 return null; 8131 if (packageProviders == null) { 8132 return null; 8133 } 8134 mFlags = flags; 8135 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 8136 final int N = packageProviders.size(); 8137 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 8138 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 8139 8140 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 8141 for (int i = 0; i < N; ++i) { 8142 intentFilters = packageProviders.get(i).intents; 8143 if (intentFilters != null && intentFilters.size() > 0) { 8144 PackageParser.ProviderIntentInfo[] array = 8145 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 8146 intentFilters.toArray(array); 8147 listCut.add(array); 8148 } 8149 } 8150 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8151 } 8152 8153 public final void addProvider(PackageParser.Provider p) { 8154 if (mProviders.containsKey(p.getComponentName())) { 8155 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 8156 return; 8157 } 8158 8159 mProviders.put(p.getComponentName(), p); 8160 if (DEBUG_SHOW_INFO) { 8161 Log.v(TAG, " " 8162 + (p.info.nonLocalizedLabel != null 8163 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 8164 Log.v(TAG, " Class=" + p.info.name); 8165 } 8166 final int NI = p.intents.size(); 8167 int j; 8168 for (j = 0; j < NI; j++) { 8169 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 8170 if (DEBUG_SHOW_INFO) { 8171 Log.v(TAG, " IntentFilter:"); 8172 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8173 } 8174 if (!intent.debugCheck()) { 8175 Log.w(TAG, "==> For Provider " + p.info.name); 8176 } 8177 addFilter(intent); 8178 } 8179 } 8180 8181 public final void removeProvider(PackageParser.Provider p) { 8182 mProviders.remove(p.getComponentName()); 8183 if (DEBUG_SHOW_INFO) { 8184 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 8185 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 8186 Log.v(TAG, " Class=" + p.info.name); 8187 } 8188 final int NI = p.intents.size(); 8189 int j; 8190 for (j = 0; j < NI; j++) { 8191 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 8192 if (DEBUG_SHOW_INFO) { 8193 Log.v(TAG, " IntentFilter:"); 8194 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8195 } 8196 removeFilter(intent); 8197 } 8198 } 8199 8200 @Override 8201 protected boolean allowFilterResult( 8202 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 8203 ProviderInfo filterPi = filter.provider.info; 8204 for (int i = dest.size() - 1; i >= 0; i--) { 8205 ProviderInfo destPi = dest.get(i).providerInfo; 8206 if (destPi.name == filterPi.name 8207 && destPi.packageName == filterPi.packageName) { 8208 return false; 8209 } 8210 } 8211 return true; 8212 } 8213 8214 @Override 8215 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 8216 return new PackageParser.ProviderIntentInfo[size]; 8217 } 8218 8219 @Override 8220 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 8221 if (!sUserManager.exists(userId)) 8222 return true; 8223 PackageParser.Package p = filter.provider.owner; 8224 if (p != null) { 8225 PackageSetting ps = (PackageSetting) p.mExtras; 8226 if (ps != null) { 8227 // System apps are never considered stopped for purposes of 8228 // filtering, because there may be no way for the user to 8229 // actually re-launch them. 8230 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 8231 && ps.getStopped(userId); 8232 } 8233 } 8234 return false; 8235 } 8236 8237 @Override 8238 protected boolean isPackageForFilter(String packageName, 8239 PackageParser.ProviderIntentInfo info) { 8240 return packageName.equals(info.provider.owner.packageName); 8241 } 8242 8243 @Override 8244 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 8245 int match, int userId) { 8246 if (!sUserManager.exists(userId)) 8247 return null; 8248 final PackageParser.ProviderIntentInfo info = filter; 8249 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 8250 return null; 8251 } 8252 final PackageParser.Provider provider = info.provider; 8253 if (mSafeMode && (provider.info.applicationInfo.flags 8254 & ApplicationInfo.FLAG_SYSTEM) == 0) { 8255 return null; 8256 } 8257 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 8258 if (ps == null) { 8259 return null; 8260 } 8261 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 8262 ps.readUserState(userId), userId); 8263 if (pi == null) { 8264 return null; 8265 } 8266 final ResolveInfo res = new ResolveInfo(); 8267 res.providerInfo = pi; 8268 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 8269 res.filter = filter; 8270 } 8271 res.priority = info.getPriority(); 8272 res.preferredOrder = provider.owner.mPreferredOrder; 8273 res.match = match; 8274 res.isDefault = info.hasDefault; 8275 res.labelRes = info.labelRes; 8276 res.nonLocalizedLabel = info.nonLocalizedLabel; 8277 res.icon = info.icon; 8278 res.system = res.providerInfo.applicationInfo.isSystemApp(); 8279 return res; 8280 } 8281 8282 @Override 8283 protected void sortResults(List<ResolveInfo> results) { 8284 Collections.sort(results, mResolvePrioritySorter); 8285 } 8286 8287 @Override 8288 protected void dumpFilter(PrintWriter out, String prefix, 8289 PackageParser.ProviderIntentInfo filter) { 8290 out.print(prefix); 8291 out.print( 8292 Integer.toHexString(System.identityHashCode(filter.provider))); 8293 out.print(' '); 8294 filter.provider.printComponentShortName(out); 8295 out.print(" filter "); 8296 out.println(Integer.toHexString(System.identityHashCode(filter))); 8297 } 8298 8299 @Override 8300 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 8301 return filter.provider; 8302 } 8303 8304 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8305 PackageParser.Provider provider = (PackageParser.Provider)label; 8306 out.print(prefix); out.print( 8307 Integer.toHexString(System.identityHashCode(provider))); 8308 out.print(' '); 8309 provider.printComponentShortName(out); 8310 if (count > 1) { 8311 out.print(" ("); out.print(count); out.print(" filters)"); 8312 } 8313 out.println(); 8314 } 8315 8316 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 8317 = new ArrayMap<ComponentName, PackageParser.Provider>(); 8318 private int mFlags; 8319 }; 8320 8321 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 8322 new Comparator<ResolveInfo>() { 8323 public int compare(ResolveInfo r1, ResolveInfo r2) { 8324 int v1 = r1.priority; 8325 int v2 = r2.priority; 8326 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 8327 if (v1 != v2) { 8328 return (v1 > v2) ? -1 : 1; 8329 } 8330 v1 = r1.preferredOrder; 8331 v2 = r2.preferredOrder; 8332 if (v1 != v2) { 8333 return (v1 > v2) ? -1 : 1; 8334 } 8335 if (r1.isDefault != r2.isDefault) { 8336 return r1.isDefault ? -1 : 1; 8337 } 8338 v1 = r1.match; 8339 v2 = r2.match; 8340 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 8341 if (v1 != v2) { 8342 return (v1 > v2) ? -1 : 1; 8343 } 8344 if (r1.system != r2.system) { 8345 return r1.system ? -1 : 1; 8346 } 8347 return 0; 8348 } 8349 }; 8350 8351 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 8352 new Comparator<ProviderInfo>() { 8353 public int compare(ProviderInfo p1, ProviderInfo p2) { 8354 final int v1 = p1.initOrder; 8355 final int v2 = p2.initOrder; 8356 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 8357 } 8358 }; 8359 8360 static final void sendPackageBroadcast(String action, String pkg, 8361 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 8362 int[] userIds) { 8363 IActivityManager am = ActivityManagerNative.getDefault(); 8364 if (am != null) { 8365 try { 8366 if (userIds == null) { 8367 userIds = am.getRunningUserIds(); 8368 } 8369 for (int id : userIds) { 8370 final Intent intent = new Intent(action, 8371 pkg != null ? Uri.fromParts("package", pkg, null) : null); 8372 if (extras != null) { 8373 intent.putExtras(extras); 8374 } 8375 if (targetPkg != null) { 8376 intent.setPackage(targetPkg); 8377 } 8378 // Modify the UID when posting to other users 8379 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 8380 if (uid > 0 && UserHandle.getUserId(uid) != id) { 8381 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 8382 intent.putExtra(Intent.EXTRA_UID, uid); 8383 } 8384 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 8385 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 8386 if (DEBUG_BROADCASTS) { 8387 RuntimeException here = new RuntimeException("here"); 8388 here.fillInStackTrace(); 8389 Slog.d(TAG, "Sending to user " + id + ": " 8390 + intent.toShortString(false, true, false, false) 8391 + " " + intent.getExtras(), here); 8392 } 8393 am.broadcastIntent(null, intent, null, finishedReceiver, 8394 0, null, null, null, android.app.AppOpsManager.OP_NONE, 8395 finishedReceiver != null, false, id); 8396 } 8397 } catch (RemoteException ex) { 8398 } 8399 } 8400 } 8401 8402 /** 8403 * Check if the external storage media is available. This is true if there 8404 * is a mounted external storage medium or if the external storage is 8405 * emulated. 8406 */ 8407 private boolean isExternalMediaAvailable() { 8408 return mMediaMounted || Environment.isExternalStorageEmulated(); 8409 } 8410 8411 @Override 8412 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 8413 // writer 8414 synchronized (mPackages) { 8415 if (!isExternalMediaAvailable()) { 8416 // If the external storage is no longer mounted at this point, 8417 // the caller may not have been able to delete all of this 8418 // packages files and can not delete any more. Bail. 8419 return null; 8420 } 8421 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 8422 if (lastPackage != null) { 8423 pkgs.remove(lastPackage); 8424 } 8425 if (pkgs.size() > 0) { 8426 return pkgs.get(0); 8427 } 8428 } 8429 return null; 8430 } 8431 8432 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 8433 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 8434 userId, andCode ? 1 : 0, packageName); 8435 if (mSystemReady) { 8436 msg.sendToTarget(); 8437 } else { 8438 if (mPostSystemReadyMessages == null) { 8439 mPostSystemReadyMessages = new ArrayList<>(); 8440 } 8441 mPostSystemReadyMessages.add(msg); 8442 } 8443 } 8444 8445 void startCleaningPackages() { 8446 // reader 8447 synchronized (mPackages) { 8448 if (!isExternalMediaAvailable()) { 8449 return; 8450 } 8451 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 8452 return; 8453 } 8454 } 8455 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 8456 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 8457 IActivityManager am = ActivityManagerNative.getDefault(); 8458 if (am != null) { 8459 try { 8460 am.startService(null, intent, null, UserHandle.USER_OWNER); 8461 } catch (RemoteException e) { 8462 } 8463 } 8464 } 8465 8466 @Override 8467 public void installPackage(String originPath, IPackageInstallObserver2 observer, 8468 int installFlags, String installerPackageName, VerificationParams verificationParams, 8469 String packageAbiOverride) { 8470 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 8471 packageAbiOverride, UserHandle.getCallingUserId()); 8472 } 8473 8474 @Override 8475 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 8476 int installFlags, String installerPackageName, VerificationParams verificationParams, 8477 String packageAbiOverride, int userId) { 8478 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 8479 8480 final int callingUid = Binder.getCallingUid(); 8481 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 8482 8483 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8484 try { 8485 if (observer != null) { 8486 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 8487 } 8488 } catch (RemoteException re) { 8489 } 8490 return; 8491 } 8492 8493 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 8494 installFlags |= PackageManager.INSTALL_FROM_ADB; 8495 8496 } else { 8497 // Caller holds INSTALL_PACKAGES permission, so we're less strict 8498 // about installerPackageName. 8499 8500 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 8501 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 8502 } 8503 8504 UserHandle user; 8505 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 8506 user = UserHandle.ALL; 8507 } else { 8508 user = new UserHandle(userId); 8509 } 8510 8511 verificationParams.setInstallerUid(callingUid); 8512 8513 final File originFile = new File(originPath); 8514 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 8515 8516 final Message msg = mHandler.obtainMessage(INIT_COPY); 8517 msg.obj = new InstallParams(origin, observer, installFlags, 8518 installerPackageName, verificationParams, user, packageAbiOverride); 8519 mHandler.sendMessage(msg); 8520 } 8521 8522 void installStage(String packageName, File stagedDir, String stagedCid, 8523 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 8524 String installerPackageName, int installerUid, UserHandle user) { 8525 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 8526 params.referrerUri, installerUid, null); 8527 8528 final OriginInfo origin; 8529 if (stagedDir != null) { 8530 origin = OriginInfo.fromStagedFile(stagedDir); 8531 } else { 8532 origin = OriginInfo.fromStagedContainer(stagedCid); 8533 } 8534 8535 final Message msg = mHandler.obtainMessage(INIT_COPY); 8536 msg.obj = new InstallParams(origin, observer, params.installFlags, 8537 installerPackageName, verifParams, user, params.abiOverride); 8538 mHandler.sendMessage(msg); 8539 } 8540 8541 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 8542 Bundle extras = new Bundle(1); 8543 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 8544 8545 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 8546 packageName, extras, null, null, new int[] {userId}); 8547 try { 8548 IActivityManager am = ActivityManagerNative.getDefault(); 8549 final boolean isSystem = 8550 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 8551 if (isSystem && am.isUserRunning(userId, false)) { 8552 // The just-installed/enabled app is bundled on the system, so presumed 8553 // to be able to run automatically without needing an explicit launch. 8554 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 8555 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 8556 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 8557 .setPackage(packageName); 8558 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 8559 android.app.AppOpsManager.OP_NONE, false, false, userId); 8560 } 8561 } catch (RemoteException e) { 8562 // shouldn't happen 8563 Slog.w(TAG, "Unable to bootstrap installed package", e); 8564 } 8565 } 8566 8567 @Override 8568 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 8569 int userId) { 8570 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8571 PackageSetting pkgSetting; 8572 final int uid = Binder.getCallingUid(); 8573 enforceCrossUserPermission(uid, userId, true, true, 8574 "setApplicationHiddenSetting for user " + userId); 8575 8576 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8577 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8578 return false; 8579 } 8580 8581 long callingId = Binder.clearCallingIdentity(); 8582 try { 8583 boolean sendAdded = false; 8584 boolean sendRemoved = false; 8585 // writer 8586 synchronized (mPackages) { 8587 pkgSetting = mSettings.mPackages.get(packageName); 8588 if (pkgSetting == null) { 8589 return false; 8590 } 8591 if (pkgSetting.getHidden(userId) != hidden) { 8592 pkgSetting.setHidden(hidden, userId); 8593 mSettings.writePackageRestrictionsLPr(userId); 8594 if (hidden) { 8595 sendRemoved = true; 8596 } else { 8597 sendAdded = true; 8598 } 8599 } 8600 } 8601 if (sendAdded) { 8602 sendPackageAddedForUser(packageName, pkgSetting, userId); 8603 return true; 8604 } 8605 if (sendRemoved) { 8606 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8607 "hiding pkg"); 8608 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8609 } 8610 } finally { 8611 Binder.restoreCallingIdentity(callingId); 8612 } 8613 return false; 8614 } 8615 8616 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8617 int userId) { 8618 final PackageRemovedInfo info = new PackageRemovedInfo(); 8619 info.removedPackage = packageName; 8620 info.removedUsers = new int[] {userId}; 8621 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8622 info.sendBroadcast(false, false, false); 8623 } 8624 8625 /** 8626 * Returns true if application is not found or there was an error. Otherwise it returns 8627 * the hidden state of the package for the given user. 8628 */ 8629 @Override 8630 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8631 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8632 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8633 false, "getApplicationHidden for user " + userId); 8634 PackageSetting pkgSetting; 8635 long callingId = Binder.clearCallingIdentity(); 8636 try { 8637 // writer 8638 synchronized (mPackages) { 8639 pkgSetting = mSettings.mPackages.get(packageName); 8640 if (pkgSetting == null) { 8641 return true; 8642 } 8643 return pkgSetting.getHidden(userId); 8644 } 8645 } finally { 8646 Binder.restoreCallingIdentity(callingId); 8647 } 8648 } 8649 8650 /** 8651 * @hide 8652 */ 8653 @Override 8654 public int installExistingPackageAsUser(String packageName, int userId) { 8655 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8656 null); 8657 PackageSetting pkgSetting; 8658 final int uid = Binder.getCallingUid(); 8659 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8660 + userId); 8661 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8662 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8663 } 8664 8665 long callingId = Binder.clearCallingIdentity(); 8666 try { 8667 boolean sendAdded = false; 8668 Bundle extras = new Bundle(1); 8669 8670 // writer 8671 synchronized (mPackages) { 8672 pkgSetting = mSettings.mPackages.get(packageName); 8673 if (pkgSetting == null) { 8674 return PackageManager.INSTALL_FAILED_INVALID_URI; 8675 } 8676 if (!pkgSetting.getInstalled(userId)) { 8677 pkgSetting.setInstalled(true, userId); 8678 pkgSetting.setHidden(false, userId); 8679 mSettings.writePackageRestrictionsLPr(userId); 8680 sendAdded = true; 8681 } 8682 } 8683 8684 if (sendAdded) { 8685 sendPackageAddedForUser(packageName, pkgSetting, userId); 8686 } 8687 } finally { 8688 Binder.restoreCallingIdentity(callingId); 8689 } 8690 8691 return PackageManager.INSTALL_SUCCEEDED; 8692 } 8693 8694 boolean isUserRestricted(int userId, String restrictionKey) { 8695 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8696 if (restrictions.getBoolean(restrictionKey, false)) { 8697 Log.w(TAG, "User is restricted: " + restrictionKey); 8698 return true; 8699 } 8700 return false; 8701 } 8702 8703 @Override 8704 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8705 mContext.enforceCallingOrSelfPermission( 8706 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8707 "Only package verification agents can verify applications"); 8708 8709 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8710 final PackageVerificationResponse response = new PackageVerificationResponse( 8711 verificationCode, Binder.getCallingUid()); 8712 msg.arg1 = id; 8713 msg.obj = response; 8714 mHandler.sendMessage(msg); 8715 } 8716 8717 @Override 8718 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8719 long millisecondsToDelay) { 8720 mContext.enforceCallingOrSelfPermission( 8721 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8722 "Only package verification agents can extend verification timeouts"); 8723 8724 final PackageVerificationState state = mPendingVerification.get(id); 8725 final PackageVerificationResponse response = new PackageVerificationResponse( 8726 verificationCodeAtTimeout, Binder.getCallingUid()); 8727 8728 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8729 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8730 } 8731 if (millisecondsToDelay < 0) { 8732 millisecondsToDelay = 0; 8733 } 8734 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8735 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8736 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8737 } 8738 8739 if ((state != null) && !state.timeoutExtended()) { 8740 state.extendTimeout(); 8741 8742 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8743 msg.arg1 = id; 8744 msg.obj = response; 8745 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8746 } 8747 } 8748 8749 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8750 int verificationCode, UserHandle user) { 8751 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8752 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8753 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8754 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8755 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8756 8757 mContext.sendBroadcastAsUser(intent, user, 8758 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8759 } 8760 8761 private ComponentName matchComponentForVerifier(String packageName, 8762 List<ResolveInfo> receivers) { 8763 ActivityInfo targetReceiver = null; 8764 8765 final int NR = receivers.size(); 8766 for (int i = 0; i < NR; i++) { 8767 final ResolveInfo info = receivers.get(i); 8768 if (info.activityInfo == null) { 8769 continue; 8770 } 8771 8772 if (packageName.equals(info.activityInfo.packageName)) { 8773 targetReceiver = info.activityInfo; 8774 break; 8775 } 8776 } 8777 8778 if (targetReceiver == null) { 8779 return null; 8780 } 8781 8782 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8783 } 8784 8785 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8786 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8787 if (pkgInfo.verifiers.length == 0) { 8788 return null; 8789 } 8790 8791 final int N = pkgInfo.verifiers.length; 8792 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8793 for (int i = 0; i < N; i++) { 8794 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8795 8796 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8797 receivers); 8798 if (comp == null) { 8799 continue; 8800 } 8801 8802 final int verifierUid = getUidForVerifier(verifierInfo); 8803 if (verifierUid == -1) { 8804 continue; 8805 } 8806 8807 if (DEBUG_VERIFY) { 8808 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8809 + " with the correct signature"); 8810 } 8811 sufficientVerifiers.add(comp); 8812 verificationState.addSufficientVerifier(verifierUid); 8813 } 8814 8815 return sufficientVerifiers; 8816 } 8817 8818 private int getUidForVerifier(VerifierInfo verifierInfo) { 8819 synchronized (mPackages) { 8820 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8821 if (pkg == null) { 8822 return -1; 8823 } else if (pkg.mSignatures.length != 1) { 8824 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8825 + " has more than one signature; ignoring"); 8826 return -1; 8827 } 8828 8829 /* 8830 * If the public key of the package's signature does not match 8831 * our expected public key, then this is a different package and 8832 * we should skip. 8833 */ 8834 8835 final byte[] expectedPublicKey; 8836 try { 8837 final Signature verifierSig = pkg.mSignatures[0]; 8838 final PublicKey publicKey = verifierSig.getPublicKey(); 8839 expectedPublicKey = publicKey.getEncoded(); 8840 } catch (CertificateException e) { 8841 return -1; 8842 } 8843 8844 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8845 8846 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8847 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8848 + " does not have the expected public key; ignoring"); 8849 return -1; 8850 } 8851 8852 return pkg.applicationInfo.uid; 8853 } 8854 } 8855 8856 @Override 8857 public void finishPackageInstall(int token) { 8858 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8859 8860 if (DEBUG_INSTALL) { 8861 Slog.v(TAG, "BM finishing package install for " + token); 8862 } 8863 8864 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8865 mHandler.sendMessage(msg); 8866 } 8867 8868 /** 8869 * Get the verification agent timeout. 8870 * 8871 * @return verification timeout in milliseconds 8872 */ 8873 private long getVerificationTimeout() { 8874 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8875 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8876 DEFAULT_VERIFICATION_TIMEOUT); 8877 } 8878 8879 /** 8880 * Get the default verification agent response code. 8881 * 8882 * @return default verification response code 8883 */ 8884 private int getDefaultVerificationResponse() { 8885 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8886 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8887 DEFAULT_VERIFICATION_RESPONSE); 8888 } 8889 8890 /** 8891 * Check whether or not package verification has been enabled. 8892 * 8893 * @return true if verification should be performed 8894 */ 8895 private boolean isVerificationEnabled(int userId, int installFlags) { 8896 if (!DEFAULT_VERIFY_ENABLE) { 8897 return false; 8898 } 8899 8900 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8901 8902 // Check if installing from ADB 8903 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8904 // Do not run verification in a test harness environment 8905 if (ActivityManager.isRunningInTestHarness()) { 8906 return false; 8907 } 8908 if (ensureVerifyAppsEnabled) { 8909 return true; 8910 } 8911 // Check if the developer does not want package verification for ADB installs 8912 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8913 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8914 return false; 8915 } 8916 } 8917 8918 if (ensureVerifyAppsEnabled) { 8919 return true; 8920 } 8921 8922 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8923 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8924 } 8925 8926 @Override 8927 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 8928 throws RemoteException { 8929 mContext.enforceCallingOrSelfPermission( 8930 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 8931 "Only intentfilter verification agents can verify applications"); 8932 8933 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 8934 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 8935 Binder.getCallingUid(), verificationCode, failedDomains); 8936 msg.arg1 = id; 8937 msg.obj = response; 8938 mHandler.sendMessage(msg); 8939 } 8940 8941 @Override 8942 public int getIntentVerificationStatus(String packageName, int userId) { 8943 synchronized (mPackages) { 8944 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 8945 } 8946 } 8947 8948 @Override 8949 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 8950 boolean result = false; 8951 synchronized (mPackages) { 8952 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 8953 } 8954 scheduleWritePackageRestrictionsLocked(userId); 8955 return result; 8956 } 8957 8958 @Override 8959 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 8960 synchronized (mPackages) { 8961 return mSettings.getIntentFilterVerificationsLPr(packageName); 8962 } 8963 } 8964 8965 /** 8966 * Get the "allow unknown sources" setting. 8967 * 8968 * @return the current "allow unknown sources" setting 8969 */ 8970 private int getUnknownSourcesSettings() { 8971 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8972 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8973 -1); 8974 } 8975 8976 @Override 8977 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8978 final int uid = Binder.getCallingUid(); 8979 // writer 8980 synchronized (mPackages) { 8981 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8982 if (targetPackageSetting == null) { 8983 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8984 } 8985 8986 PackageSetting installerPackageSetting; 8987 if (installerPackageName != null) { 8988 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8989 if (installerPackageSetting == null) { 8990 throw new IllegalArgumentException("Unknown installer package: " 8991 + installerPackageName); 8992 } 8993 } else { 8994 installerPackageSetting = null; 8995 } 8996 8997 Signature[] callerSignature; 8998 Object obj = mSettings.getUserIdLPr(uid); 8999 if (obj != null) { 9000 if (obj instanceof SharedUserSetting) { 9001 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 9002 } else if (obj instanceof PackageSetting) { 9003 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 9004 } else { 9005 throw new SecurityException("Bad object " + obj + " for uid " + uid); 9006 } 9007 } else { 9008 throw new SecurityException("Unknown calling uid " + uid); 9009 } 9010 9011 // Verify: can't set installerPackageName to a package that is 9012 // not signed with the same cert as the caller. 9013 if (installerPackageSetting != null) { 9014 if (compareSignatures(callerSignature, 9015 installerPackageSetting.signatures.mSignatures) 9016 != PackageManager.SIGNATURE_MATCH) { 9017 throw new SecurityException( 9018 "Caller does not have same cert as new installer package " 9019 + installerPackageName); 9020 } 9021 } 9022 9023 // Verify: if target already has an installer package, it must 9024 // be signed with the same cert as the caller. 9025 if (targetPackageSetting.installerPackageName != null) { 9026 PackageSetting setting = mSettings.mPackages.get( 9027 targetPackageSetting.installerPackageName); 9028 // If the currently set package isn't valid, then it's always 9029 // okay to change it. 9030 if (setting != null) { 9031 if (compareSignatures(callerSignature, 9032 setting.signatures.mSignatures) 9033 != PackageManager.SIGNATURE_MATCH) { 9034 throw new SecurityException( 9035 "Caller does not have same cert as old installer package " 9036 + targetPackageSetting.installerPackageName); 9037 } 9038 } 9039 } 9040 9041 // Okay! 9042 targetPackageSetting.installerPackageName = installerPackageName; 9043 scheduleWriteSettingsLocked(); 9044 } 9045 } 9046 9047 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 9048 // Queue up an async operation since the package installation may take a little while. 9049 mHandler.post(new Runnable() { 9050 public void run() { 9051 mHandler.removeCallbacks(this); 9052 // Result object to be returned 9053 PackageInstalledInfo res = new PackageInstalledInfo(); 9054 res.returnCode = currentStatus; 9055 res.uid = -1; 9056 res.pkg = null; 9057 res.removedInfo = new PackageRemovedInfo(); 9058 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9059 args.doPreInstall(res.returnCode); 9060 synchronized (mInstallLock) { 9061 installPackageLI(args, res); 9062 } 9063 args.doPostInstall(res.returnCode, res.uid); 9064 } 9065 9066 // A restore should be performed at this point if (a) the install 9067 // succeeded, (b) the operation is not an update, and (c) the new 9068 // package has not opted out of backup participation. 9069 final boolean update = res.removedInfo.removedPackage != null; 9070 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 9071 boolean doRestore = !update 9072 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 9073 9074 // Set up the post-install work request bookkeeping. This will be used 9075 // and cleaned up by the post-install event handling regardless of whether 9076 // there's a restore pass performed. Token values are >= 1. 9077 int token; 9078 if (mNextInstallToken < 0) mNextInstallToken = 1; 9079 token = mNextInstallToken++; 9080 9081 PostInstallData data = new PostInstallData(args, res); 9082 mRunningInstalls.put(token, data); 9083 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 9084 9085 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 9086 // Pass responsibility to the Backup Manager. It will perform a 9087 // restore if appropriate, then pass responsibility back to the 9088 // Package Manager to run the post-install observer callbacks 9089 // and broadcasts. 9090 IBackupManager bm = IBackupManager.Stub.asInterface( 9091 ServiceManager.getService(Context.BACKUP_SERVICE)); 9092 if (bm != null) { 9093 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 9094 + " to BM for possible restore"); 9095 try { 9096 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 9097 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 9098 } else { 9099 doRestore = false; 9100 } 9101 } catch (RemoteException e) { 9102 // can't happen; the backup manager is local 9103 } catch (Exception e) { 9104 Slog.e(TAG, "Exception trying to enqueue restore", e); 9105 doRestore = false; 9106 } 9107 } else { 9108 Slog.e(TAG, "Backup Manager not found!"); 9109 doRestore = false; 9110 } 9111 } 9112 9113 if (!doRestore) { 9114 // No restore possible, or the Backup Manager was mysteriously not 9115 // available -- just fire the post-install work request directly. 9116 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 9117 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9118 mHandler.sendMessage(msg); 9119 } 9120 } 9121 }); 9122 } 9123 9124 private abstract class HandlerParams { 9125 private static final int MAX_RETRIES = 4; 9126 9127 /** 9128 * Number of times startCopy() has been attempted and had a non-fatal 9129 * error. 9130 */ 9131 private int mRetries = 0; 9132 9133 /** User handle for the user requesting the information or installation. */ 9134 private final UserHandle mUser; 9135 9136 HandlerParams(UserHandle user) { 9137 mUser = user; 9138 } 9139 9140 UserHandle getUser() { 9141 return mUser; 9142 } 9143 9144 final boolean startCopy() { 9145 boolean res; 9146 try { 9147 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 9148 9149 if (++mRetries > MAX_RETRIES) { 9150 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 9151 mHandler.sendEmptyMessage(MCS_GIVE_UP); 9152 handleServiceError(); 9153 return false; 9154 } else { 9155 handleStartCopy(); 9156 res = true; 9157 } 9158 } catch (RemoteException e) { 9159 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 9160 mHandler.sendEmptyMessage(MCS_RECONNECT); 9161 res = false; 9162 } 9163 handleReturnCode(); 9164 return res; 9165 } 9166 9167 final void serviceError() { 9168 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 9169 handleServiceError(); 9170 handleReturnCode(); 9171 } 9172 9173 abstract void handleStartCopy() throws RemoteException; 9174 abstract void handleServiceError(); 9175 abstract void handleReturnCode(); 9176 } 9177 9178 class MeasureParams extends HandlerParams { 9179 private final PackageStats mStats; 9180 private boolean mSuccess; 9181 9182 private final IPackageStatsObserver mObserver; 9183 9184 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 9185 super(new UserHandle(stats.userHandle)); 9186 mObserver = observer; 9187 mStats = stats; 9188 } 9189 9190 @Override 9191 public String toString() { 9192 return "MeasureParams{" 9193 + Integer.toHexString(System.identityHashCode(this)) 9194 + " " + mStats.packageName + "}"; 9195 } 9196 9197 @Override 9198 void handleStartCopy() throws RemoteException { 9199 synchronized (mInstallLock) { 9200 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 9201 } 9202 9203 if (mSuccess) { 9204 final boolean mounted; 9205 if (Environment.isExternalStorageEmulated()) { 9206 mounted = true; 9207 } else { 9208 final String status = Environment.getExternalStorageState(); 9209 mounted = (Environment.MEDIA_MOUNTED.equals(status) 9210 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 9211 } 9212 9213 if (mounted) { 9214 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 9215 9216 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 9217 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 9218 9219 mStats.externalDataSize = calculateDirectorySize(mContainerService, 9220 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 9221 9222 // Always subtract cache size, since it's a subdirectory 9223 mStats.externalDataSize -= mStats.externalCacheSize; 9224 9225 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 9226 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 9227 9228 mStats.externalObbSize = calculateDirectorySize(mContainerService, 9229 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 9230 } 9231 } 9232 } 9233 9234 @Override 9235 void handleReturnCode() { 9236 if (mObserver != null) { 9237 try { 9238 mObserver.onGetStatsCompleted(mStats, mSuccess); 9239 } catch (RemoteException e) { 9240 Slog.i(TAG, "Observer no longer exists."); 9241 } 9242 } 9243 } 9244 9245 @Override 9246 void handleServiceError() { 9247 Slog.e(TAG, "Could not measure application " + mStats.packageName 9248 + " external storage"); 9249 } 9250 } 9251 9252 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 9253 throws RemoteException { 9254 long result = 0; 9255 for (File path : paths) { 9256 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 9257 } 9258 return result; 9259 } 9260 9261 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 9262 for (File path : paths) { 9263 try { 9264 mcs.clearDirectory(path.getAbsolutePath()); 9265 } catch (RemoteException e) { 9266 } 9267 } 9268 } 9269 9270 static class OriginInfo { 9271 /** 9272 * Location where install is coming from, before it has been 9273 * copied/renamed into place. This could be a single monolithic APK 9274 * file, or a cluster directory. This location may be untrusted. 9275 */ 9276 final File file; 9277 final String cid; 9278 9279 /** 9280 * Flag indicating that {@link #file} or {@link #cid} has already been 9281 * staged, meaning downstream users don't need to defensively copy the 9282 * contents. 9283 */ 9284 final boolean staged; 9285 9286 /** 9287 * Flag indicating that {@link #file} or {@link #cid} is an already 9288 * installed app that is being moved. 9289 */ 9290 final boolean existing; 9291 9292 final String resolvedPath; 9293 final File resolvedFile; 9294 9295 static OriginInfo fromNothing() { 9296 return new OriginInfo(null, null, false, false); 9297 } 9298 9299 static OriginInfo fromUntrustedFile(File file) { 9300 return new OriginInfo(file, null, false, false); 9301 } 9302 9303 static OriginInfo fromExistingFile(File file) { 9304 return new OriginInfo(file, null, false, true); 9305 } 9306 9307 static OriginInfo fromStagedFile(File file) { 9308 return new OriginInfo(file, null, true, false); 9309 } 9310 9311 static OriginInfo fromStagedContainer(String cid) { 9312 return new OriginInfo(null, cid, true, false); 9313 } 9314 9315 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 9316 this.file = file; 9317 this.cid = cid; 9318 this.staged = staged; 9319 this.existing = existing; 9320 9321 if (cid != null) { 9322 resolvedPath = PackageHelper.getSdDir(cid); 9323 resolvedFile = new File(resolvedPath); 9324 } else if (file != null) { 9325 resolvedPath = file.getAbsolutePath(); 9326 resolvedFile = file; 9327 } else { 9328 resolvedPath = null; 9329 resolvedFile = null; 9330 } 9331 } 9332 } 9333 9334 class InstallParams extends HandlerParams { 9335 final OriginInfo origin; 9336 final IPackageInstallObserver2 observer; 9337 int installFlags; 9338 final String installerPackageName; 9339 final VerificationParams verificationParams; 9340 private InstallArgs mArgs; 9341 private int mRet; 9342 final String packageAbiOverride; 9343 9344 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9345 String installerPackageName, VerificationParams verificationParams, UserHandle user, 9346 String packageAbiOverride) { 9347 super(user); 9348 this.origin = origin; 9349 this.observer = observer; 9350 this.installFlags = installFlags; 9351 this.installerPackageName = installerPackageName; 9352 this.verificationParams = verificationParams; 9353 this.packageAbiOverride = packageAbiOverride; 9354 } 9355 9356 @Override 9357 public String toString() { 9358 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 9359 + " file=" + origin.file + " cid=" + origin.cid + "}"; 9360 } 9361 9362 public ManifestDigest getManifestDigest() { 9363 if (verificationParams == null) { 9364 return null; 9365 } 9366 return verificationParams.getManifestDigest(); 9367 } 9368 9369 private int installLocationPolicy(PackageInfoLite pkgLite) { 9370 String packageName = pkgLite.packageName; 9371 int installLocation = pkgLite.installLocation; 9372 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9373 // reader 9374 synchronized (mPackages) { 9375 PackageParser.Package pkg = mPackages.get(packageName); 9376 if (pkg != null) { 9377 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9378 // Check for downgrading. 9379 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 9380 try { 9381 checkDowngrade(pkg, pkgLite); 9382 } catch (PackageManagerException e) { 9383 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 9384 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 9385 } 9386 } 9387 // Check for updated system application. 9388 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9389 if (onSd) { 9390 Slog.w(TAG, "Cannot install update to system app on sdcard"); 9391 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 9392 } 9393 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 9394 } else { 9395 if (onSd) { 9396 // Install flag overrides everything. 9397 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 9398 } 9399 // If current upgrade specifies particular preference 9400 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 9401 // Application explicitly specified internal. 9402 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 9403 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 9404 // App explictly prefers external. Let policy decide 9405 } else { 9406 // Prefer previous location 9407 if (isExternal(pkg)) { 9408 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 9409 } 9410 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 9411 } 9412 } 9413 } else { 9414 // Invalid install. Return error code 9415 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 9416 } 9417 } 9418 } 9419 // All the special cases have been taken care of. 9420 // Return result based on recommended install location. 9421 if (onSd) { 9422 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 9423 } 9424 return pkgLite.recommendedInstallLocation; 9425 } 9426 9427 /* 9428 * Invoke remote method to get package information and install 9429 * location values. Override install location based on default 9430 * policy if needed and then create install arguments based 9431 * on the install location. 9432 */ 9433 public void handleStartCopy() throws RemoteException { 9434 int ret = PackageManager.INSTALL_SUCCEEDED; 9435 9436 // If we're already staged, we've firmly committed to an install location 9437 if (origin.staged) { 9438 if (origin.file != null) { 9439 installFlags |= PackageManager.INSTALL_INTERNAL; 9440 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9441 } else if (origin.cid != null) { 9442 installFlags |= PackageManager.INSTALL_EXTERNAL; 9443 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9444 } else { 9445 throw new IllegalStateException("Invalid stage location"); 9446 } 9447 } 9448 9449 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9450 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 9451 9452 PackageInfoLite pkgLite = null; 9453 9454 if (onInt && onSd) { 9455 // Check if both bits are set. 9456 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 9457 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9458 } else { 9459 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 9460 packageAbiOverride); 9461 9462 /* 9463 * If we have too little free space, try to free cache 9464 * before giving up. 9465 */ 9466 if (!origin.staged && pkgLite.recommendedInstallLocation 9467 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9468 // TODO: focus freeing disk space on the target device 9469 final StorageManager storage = StorageManager.from(mContext); 9470 final long lowThreshold = storage.getStorageLowBytes( 9471 Environment.getDataDirectory()); 9472 9473 final long sizeBytes = mContainerService.calculateInstalledSize( 9474 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 9475 9476 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 9477 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 9478 installFlags, packageAbiOverride); 9479 } 9480 9481 /* 9482 * The cache free must have deleted the file we 9483 * downloaded to install. 9484 * 9485 * TODO: fix the "freeCache" call to not delete 9486 * the file we care about. 9487 */ 9488 if (pkgLite.recommendedInstallLocation 9489 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9490 pkgLite.recommendedInstallLocation 9491 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 9492 } 9493 } 9494 } 9495 9496 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9497 int loc = pkgLite.recommendedInstallLocation; 9498 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 9499 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9500 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 9501 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9502 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9503 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9504 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 9505 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 9506 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9507 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 9508 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 9509 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 9510 } else { 9511 // Override with defaults if needed. 9512 loc = installLocationPolicy(pkgLite); 9513 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 9514 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 9515 } else if (!onSd && !onInt) { 9516 // Override install location with flags 9517 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 9518 // Set the flag to install on external media. 9519 installFlags |= PackageManager.INSTALL_EXTERNAL; 9520 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9521 } else { 9522 // Make sure the flag for installing on external 9523 // media is unset 9524 installFlags |= PackageManager.INSTALL_INTERNAL; 9525 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9526 } 9527 } 9528 } 9529 } 9530 9531 final InstallArgs args = createInstallArgs(this); 9532 mArgs = args; 9533 9534 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9535 /* 9536 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 9537 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 9538 */ 9539 int userIdentifier = getUser().getIdentifier(); 9540 if (userIdentifier == UserHandle.USER_ALL 9541 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 9542 userIdentifier = UserHandle.USER_OWNER; 9543 } 9544 9545 /* 9546 * Determine if we have any installed package verifiers. If we 9547 * do, then we'll defer to them to verify the packages. 9548 */ 9549 final int requiredUid = mRequiredVerifierPackage == null ? -1 9550 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 9551 if (!origin.existing && requiredUid != -1 9552 && isVerificationEnabled(userIdentifier, installFlags)) { 9553 final Intent verification = new Intent( 9554 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 9555 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 9556 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 9557 PACKAGE_MIME_TYPE); 9558 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9559 9560 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 9561 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 9562 0 /* TODO: Which userId? */); 9563 9564 if (DEBUG_VERIFY) { 9565 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 9566 + verification.toString() + " with " + pkgLite.verifiers.length 9567 + " optional verifiers"); 9568 } 9569 9570 final int verificationId = mPendingVerificationToken++; 9571 9572 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9573 9574 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 9575 installerPackageName); 9576 9577 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 9578 installFlags); 9579 9580 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 9581 pkgLite.packageName); 9582 9583 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 9584 pkgLite.versionCode); 9585 9586 if (verificationParams != null) { 9587 if (verificationParams.getVerificationURI() != null) { 9588 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 9589 verificationParams.getVerificationURI()); 9590 } 9591 if (verificationParams.getOriginatingURI() != null) { 9592 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 9593 verificationParams.getOriginatingURI()); 9594 } 9595 if (verificationParams.getReferrer() != null) { 9596 verification.putExtra(Intent.EXTRA_REFERRER, 9597 verificationParams.getReferrer()); 9598 } 9599 if (verificationParams.getOriginatingUid() >= 0) { 9600 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 9601 verificationParams.getOriginatingUid()); 9602 } 9603 if (verificationParams.getInstallerUid() >= 0) { 9604 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 9605 verificationParams.getInstallerUid()); 9606 } 9607 } 9608 9609 final PackageVerificationState verificationState = new PackageVerificationState( 9610 requiredUid, args); 9611 9612 mPendingVerification.append(verificationId, verificationState); 9613 9614 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 9615 receivers, verificationState); 9616 9617 /* 9618 * If any sufficient verifiers were listed in the package 9619 * manifest, attempt to ask them. 9620 */ 9621 if (sufficientVerifiers != null) { 9622 final int N = sufficientVerifiers.size(); 9623 if (N == 0) { 9624 Slog.i(TAG, "Additional verifiers required, but none installed."); 9625 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9626 } else { 9627 for (int i = 0; i < N; i++) { 9628 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9629 9630 final Intent sufficientIntent = new Intent(verification); 9631 sufficientIntent.setComponent(verifierComponent); 9632 9633 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9634 } 9635 } 9636 } 9637 9638 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9639 mRequiredVerifierPackage, receivers); 9640 if (ret == PackageManager.INSTALL_SUCCEEDED 9641 && mRequiredVerifierPackage != null) { 9642 /* 9643 * Send the intent to the required verification agent, 9644 * but only start the verification timeout after the 9645 * target BroadcastReceivers have run. 9646 */ 9647 verification.setComponent(requiredVerifierComponent); 9648 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9649 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9650 new BroadcastReceiver() { 9651 @Override 9652 public void onReceive(Context context, Intent intent) { 9653 final Message msg = mHandler 9654 .obtainMessage(CHECK_PENDING_VERIFICATION); 9655 msg.arg1 = verificationId; 9656 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9657 } 9658 }, null, 0, null, null); 9659 9660 /* 9661 * We don't want the copy to proceed until verification 9662 * succeeds, so null out this field. 9663 */ 9664 mArgs = null; 9665 } 9666 } else { 9667 /* 9668 * No package verification is enabled, so immediately start 9669 * the remote call to initiate copy using temporary file. 9670 */ 9671 ret = args.copyApk(mContainerService, true); 9672 } 9673 } 9674 9675 mRet = ret; 9676 } 9677 9678 @Override 9679 void handleReturnCode() { 9680 // If mArgs is null, then MCS couldn't be reached. When it 9681 // reconnects, it will try again to install. At that point, this 9682 // will succeed. 9683 if (mArgs != null) { 9684 processPendingInstall(mArgs, mRet); 9685 } 9686 } 9687 9688 @Override 9689 void handleServiceError() { 9690 mArgs = createInstallArgs(this); 9691 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9692 } 9693 9694 public boolean isForwardLocked() { 9695 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9696 } 9697 } 9698 9699 /** 9700 * Used during creation of InstallArgs 9701 * 9702 * @param installFlags package installation flags 9703 * @return true if should be installed on external storage 9704 */ 9705 private static boolean installOnSd(int installFlags) { 9706 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9707 return false; 9708 } 9709 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9710 return true; 9711 } 9712 return false; 9713 } 9714 9715 /** 9716 * Used during creation of InstallArgs 9717 * 9718 * @param installFlags package installation flags 9719 * @return true if should be installed as forward locked 9720 */ 9721 private static boolean installForwardLocked(int installFlags) { 9722 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9723 } 9724 9725 private InstallArgs createInstallArgs(InstallParams params) { 9726 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9727 return new AsecInstallArgs(params); 9728 } else { 9729 return new FileInstallArgs(params); 9730 } 9731 } 9732 9733 /** 9734 * Create args that describe an existing installed package. Typically used 9735 * when cleaning up old installs, or used as a move source. 9736 */ 9737 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9738 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9739 final boolean isInAsec; 9740 if (installOnSd(installFlags)) { 9741 /* Apps on SD card are always in ASEC containers. */ 9742 isInAsec = true; 9743 } else if (installForwardLocked(installFlags) 9744 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9745 /* 9746 * Forward-locked apps are only in ASEC containers if they're the 9747 * new style 9748 */ 9749 isInAsec = true; 9750 } else { 9751 isInAsec = false; 9752 } 9753 9754 if (isInAsec) { 9755 return new AsecInstallArgs(codePath, instructionSets, 9756 installOnSd(installFlags), installForwardLocked(installFlags)); 9757 } else { 9758 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9759 instructionSets); 9760 } 9761 } 9762 9763 static abstract class InstallArgs { 9764 /** @see InstallParams#origin */ 9765 final OriginInfo origin; 9766 9767 final IPackageInstallObserver2 observer; 9768 // Always refers to PackageManager flags only 9769 final int installFlags; 9770 final String installerPackageName; 9771 final ManifestDigest manifestDigest; 9772 final UserHandle user; 9773 final String abiOverride; 9774 9775 // The list of instruction sets supported by this app. This is currently 9776 // only used during the rmdex() phase to clean up resources. We can get rid of this 9777 // if we move dex files under the common app path. 9778 /* nullable */ String[] instructionSets; 9779 9780 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9781 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9782 String[] instructionSets, String abiOverride) { 9783 this.origin = origin; 9784 this.installFlags = installFlags; 9785 this.observer = observer; 9786 this.installerPackageName = installerPackageName; 9787 this.manifestDigest = manifestDigest; 9788 this.user = user; 9789 this.instructionSets = instructionSets; 9790 this.abiOverride = abiOverride; 9791 } 9792 9793 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9794 abstract int doPreInstall(int status); 9795 9796 /** 9797 * Rename package into final resting place. All paths on the given 9798 * scanned package should be updated to reflect the rename. 9799 */ 9800 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9801 abstract int doPostInstall(int status, int uid); 9802 9803 /** @see PackageSettingBase#codePathString */ 9804 abstract String getCodePath(); 9805 /** @see PackageSettingBase#resourcePathString */ 9806 abstract String getResourcePath(); 9807 abstract String getLegacyNativeLibraryPath(); 9808 9809 // Need installer lock especially for dex file removal. 9810 abstract void cleanUpResourcesLI(); 9811 abstract boolean doPostDeleteLI(boolean delete); 9812 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9813 9814 /** 9815 * Called before the source arguments are copied. This is used mostly 9816 * for MoveParams when it needs to read the source file to put it in the 9817 * destination. 9818 */ 9819 int doPreCopy() { 9820 return PackageManager.INSTALL_SUCCEEDED; 9821 } 9822 9823 /** 9824 * Called after the source arguments are copied. This is used mostly for 9825 * MoveParams when it needs to read the source file to put it in the 9826 * destination. 9827 * 9828 * @return 9829 */ 9830 int doPostCopy(int uid) { 9831 return PackageManager.INSTALL_SUCCEEDED; 9832 } 9833 9834 protected boolean isFwdLocked() { 9835 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9836 } 9837 9838 protected boolean isExternal() { 9839 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9840 } 9841 9842 UserHandle getUser() { 9843 return user; 9844 } 9845 } 9846 9847 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 9848 if (!allCodePaths.isEmpty()) { 9849 if (instructionSets == null) { 9850 throw new IllegalStateException("instructionSet == null"); 9851 } 9852 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9853 for (String codePath : allCodePaths) { 9854 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9855 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9856 if (retCode < 0) { 9857 Slog.w(TAG, "Couldn't remove dex file for package: " 9858 + " at location " + codePath + ", retcode=" + retCode); 9859 // we don't consider this to be a failure of the core package deletion 9860 } 9861 } 9862 } 9863 } 9864 } 9865 9866 /** 9867 * Logic to handle installation of non-ASEC applications, including copying 9868 * and renaming logic. 9869 */ 9870 class FileInstallArgs extends InstallArgs { 9871 private File codeFile; 9872 private File resourceFile; 9873 private File legacyNativeLibraryPath; 9874 9875 // Example topology: 9876 // /data/app/com.example/base.apk 9877 // /data/app/com.example/split_foo.apk 9878 // /data/app/com.example/lib/arm/libfoo.so 9879 // /data/app/com.example/lib/arm64/libfoo.so 9880 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9881 9882 /** New install */ 9883 FileInstallArgs(InstallParams params) { 9884 super(params.origin, params.observer, params.installFlags, 9885 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9886 null /* instruction sets */, params.packageAbiOverride); 9887 if (isFwdLocked()) { 9888 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9889 } 9890 } 9891 9892 /** Existing install */ 9893 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9894 String[] instructionSets) { 9895 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9896 this.codeFile = (codePath != null) ? new File(codePath) : null; 9897 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9898 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9899 new File(legacyNativeLibraryPath) : null; 9900 } 9901 9902 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9903 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9904 isFwdLocked(), abiOverride); 9905 9906 final StorageManager storage = StorageManager.from(mContext); 9907 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9908 } 9909 9910 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9911 if (origin.staged) { 9912 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9913 codeFile = origin.file; 9914 resourceFile = origin.file; 9915 return PackageManager.INSTALL_SUCCEEDED; 9916 } 9917 9918 try { 9919 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9920 codeFile = tempDir; 9921 resourceFile = tempDir; 9922 } catch (IOException e) { 9923 Slog.w(TAG, "Failed to create copy file: " + e); 9924 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9925 } 9926 9927 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9928 @Override 9929 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9930 if (!FileUtils.isValidExtFilename(name)) { 9931 throw new IllegalArgumentException("Invalid filename: " + name); 9932 } 9933 try { 9934 final File file = new File(codeFile, name); 9935 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9936 O_RDWR | O_CREAT, 0644); 9937 Os.chmod(file.getAbsolutePath(), 0644); 9938 return new ParcelFileDescriptor(fd); 9939 } catch (ErrnoException e) { 9940 throw new RemoteException("Failed to open: " + e.getMessage()); 9941 } 9942 } 9943 }; 9944 9945 int ret = PackageManager.INSTALL_SUCCEEDED; 9946 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9947 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9948 Slog.e(TAG, "Failed to copy package"); 9949 return ret; 9950 } 9951 9952 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9953 NativeLibraryHelper.Handle handle = null; 9954 try { 9955 handle = NativeLibraryHelper.Handle.create(codeFile); 9956 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9957 abiOverride); 9958 } catch (IOException e) { 9959 Slog.e(TAG, "Copying native libraries failed", e); 9960 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9961 } finally { 9962 IoUtils.closeQuietly(handle); 9963 } 9964 9965 return ret; 9966 } 9967 9968 int doPreInstall(int status) { 9969 if (status != PackageManager.INSTALL_SUCCEEDED) { 9970 cleanUp(); 9971 } 9972 return status; 9973 } 9974 9975 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9976 if (status != PackageManager.INSTALL_SUCCEEDED) { 9977 cleanUp(); 9978 return false; 9979 } else { 9980 final File beforeCodeFile = codeFile; 9981 final File afterCodeFile = getNextCodePath(pkg.packageName); 9982 9983 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9984 try { 9985 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9986 } catch (ErrnoException e) { 9987 Slog.d(TAG, "Failed to rename", e); 9988 return false; 9989 } 9990 9991 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9992 Slog.d(TAG, "Failed to restorecon"); 9993 return false; 9994 } 9995 9996 // Reflect the rename internally 9997 codeFile = afterCodeFile; 9998 resourceFile = afterCodeFile; 9999 10000 // Reflect the rename in scanned details 10001 pkg.codePath = afterCodeFile.getAbsolutePath(); 10002 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 10003 pkg.baseCodePath); 10004 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 10005 pkg.splitCodePaths); 10006 10007 // Reflect the rename in app info 10008 pkg.applicationInfo.setCodePath(pkg.codePath); 10009 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 10010 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 10011 pkg.applicationInfo.setResourcePath(pkg.codePath); 10012 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 10013 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 10014 10015 return true; 10016 } 10017 } 10018 10019 int doPostInstall(int status, int uid) { 10020 if (status != PackageManager.INSTALL_SUCCEEDED) { 10021 cleanUp(); 10022 } 10023 return status; 10024 } 10025 10026 @Override 10027 String getCodePath() { 10028 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 10029 } 10030 10031 @Override 10032 String getResourcePath() { 10033 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 10034 } 10035 10036 @Override 10037 String getLegacyNativeLibraryPath() { 10038 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 10039 } 10040 10041 private boolean cleanUp() { 10042 if (codeFile == null || !codeFile.exists()) { 10043 return false; 10044 } 10045 10046 if (codeFile.isDirectory()) { 10047 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 10048 } else { 10049 codeFile.delete(); 10050 } 10051 10052 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 10053 resourceFile.delete(); 10054 } 10055 10056 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 10057 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 10058 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 10059 } 10060 legacyNativeLibraryPath.delete(); 10061 } 10062 10063 return true; 10064 } 10065 10066 void cleanUpResourcesLI() { 10067 // Try enumerating all code paths before deleting 10068 List<String> allCodePaths = Collections.EMPTY_LIST; 10069 if (codeFile != null && codeFile.exists()) { 10070 try { 10071 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 10072 allCodePaths = pkg.getAllCodePaths(); 10073 } catch (PackageParserException e) { 10074 // Ignored; we tried our best 10075 } 10076 } 10077 10078 cleanUp(); 10079 removeDexFiles(allCodePaths, instructionSets); 10080 } 10081 10082 boolean doPostDeleteLI(boolean delete) { 10083 // XXX err, shouldn't we respect the delete flag? 10084 cleanUpResourcesLI(); 10085 return true; 10086 } 10087 } 10088 10089 private boolean isAsecExternal(String cid) { 10090 final String asecPath = PackageHelper.getSdFilesystem(cid); 10091 return !asecPath.startsWith(mAsecInternalPath); 10092 } 10093 10094 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 10095 PackageManagerException { 10096 if (copyRet < 0) { 10097 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 10098 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 10099 throw new PackageManagerException(copyRet, message); 10100 } 10101 } 10102 } 10103 10104 /** 10105 * Extract the MountService "container ID" from the full code path of an 10106 * .apk. 10107 */ 10108 static String cidFromCodePath(String fullCodePath) { 10109 int eidx = fullCodePath.lastIndexOf("/"); 10110 String subStr1 = fullCodePath.substring(0, eidx); 10111 int sidx = subStr1.lastIndexOf("/"); 10112 return subStr1.substring(sidx+1, eidx); 10113 } 10114 10115 /** 10116 * Logic to handle installation of ASEC applications, including copying and 10117 * renaming logic. 10118 */ 10119 class AsecInstallArgs extends InstallArgs { 10120 static final String RES_FILE_NAME = "pkg.apk"; 10121 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 10122 10123 String cid; 10124 String packagePath; 10125 String resourcePath; 10126 String legacyNativeLibraryDir; 10127 10128 /** New install */ 10129 AsecInstallArgs(InstallParams params) { 10130 super(params.origin, params.observer, params.installFlags, 10131 params.installerPackageName, params.getManifestDigest(), 10132 params.getUser(), null /* instruction sets */, 10133 params.packageAbiOverride); 10134 } 10135 10136 /** Existing install */ 10137 AsecInstallArgs(String fullCodePath, String[] instructionSets, 10138 boolean isExternal, boolean isForwardLocked) { 10139 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 10140 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 10141 instructionSets, null); 10142 // Hackily pretend we're still looking at a full code path 10143 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 10144 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 10145 } 10146 10147 // Extract cid from fullCodePath 10148 int eidx = fullCodePath.lastIndexOf("/"); 10149 String subStr1 = fullCodePath.substring(0, eidx); 10150 int sidx = subStr1.lastIndexOf("/"); 10151 cid = subStr1.substring(sidx+1, eidx); 10152 setMountPath(subStr1); 10153 } 10154 10155 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 10156 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 10157 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 10158 instructionSets, null); 10159 this.cid = cid; 10160 setMountPath(PackageHelper.getSdDir(cid)); 10161 } 10162 10163 void createCopyFile() { 10164 cid = mInstallerService.allocateExternalStageCidLegacy(); 10165 } 10166 10167 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 10168 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 10169 abiOverride); 10170 10171 final File target; 10172 if (isExternal()) { 10173 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 10174 } else { 10175 target = Environment.getDataDirectory(); 10176 } 10177 10178 final StorageManager storage = StorageManager.from(mContext); 10179 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 10180 } 10181 10182 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 10183 if (origin.staged) { 10184 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 10185 cid = origin.cid; 10186 setMountPath(PackageHelper.getSdDir(cid)); 10187 return PackageManager.INSTALL_SUCCEEDED; 10188 } 10189 10190 if (temp) { 10191 createCopyFile(); 10192 } else { 10193 /* 10194 * Pre-emptively destroy the container since it's destroyed if 10195 * copying fails due to it existing anyway. 10196 */ 10197 PackageHelper.destroySdDir(cid); 10198 } 10199 10200 final String newMountPath = imcs.copyPackageToContainer( 10201 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 10202 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 10203 10204 if (newMountPath != null) { 10205 setMountPath(newMountPath); 10206 return PackageManager.INSTALL_SUCCEEDED; 10207 } else { 10208 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 10209 } 10210 } 10211 10212 @Override 10213 String getCodePath() { 10214 return packagePath; 10215 } 10216 10217 @Override 10218 String getResourcePath() { 10219 return resourcePath; 10220 } 10221 10222 @Override 10223 String getLegacyNativeLibraryPath() { 10224 return legacyNativeLibraryDir; 10225 } 10226 10227 int doPreInstall(int status) { 10228 if (status != PackageManager.INSTALL_SUCCEEDED) { 10229 // Destroy container 10230 PackageHelper.destroySdDir(cid); 10231 } else { 10232 boolean mounted = PackageHelper.isContainerMounted(cid); 10233 if (!mounted) { 10234 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 10235 Process.SYSTEM_UID); 10236 if (newMountPath != null) { 10237 setMountPath(newMountPath); 10238 } else { 10239 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 10240 } 10241 } 10242 } 10243 return status; 10244 } 10245 10246 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 10247 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 10248 String newMountPath = null; 10249 if (PackageHelper.isContainerMounted(cid)) { 10250 // Unmount the container 10251 if (!PackageHelper.unMountSdDir(cid)) { 10252 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 10253 return false; 10254 } 10255 } 10256 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 10257 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 10258 " which might be stale. Will try to clean up."); 10259 // Clean up the stale container and proceed to recreate. 10260 if (!PackageHelper.destroySdDir(newCacheId)) { 10261 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 10262 return false; 10263 } 10264 // Successfully cleaned up stale container. Try to rename again. 10265 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 10266 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 10267 + " inspite of cleaning it up."); 10268 return false; 10269 } 10270 } 10271 if (!PackageHelper.isContainerMounted(newCacheId)) { 10272 Slog.w(TAG, "Mounting container " + newCacheId); 10273 newMountPath = PackageHelper.mountSdDir(newCacheId, 10274 getEncryptKey(), Process.SYSTEM_UID); 10275 } else { 10276 newMountPath = PackageHelper.getSdDir(newCacheId); 10277 } 10278 if (newMountPath == null) { 10279 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 10280 return false; 10281 } 10282 Log.i(TAG, "Succesfully renamed " + cid + 10283 " to " + newCacheId + 10284 " at new path: " + newMountPath); 10285 cid = newCacheId; 10286 10287 final File beforeCodeFile = new File(packagePath); 10288 setMountPath(newMountPath); 10289 final File afterCodeFile = new File(packagePath); 10290 10291 // Reflect the rename in scanned details 10292 pkg.codePath = afterCodeFile.getAbsolutePath(); 10293 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 10294 pkg.baseCodePath); 10295 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 10296 pkg.splitCodePaths); 10297 10298 // Reflect the rename in app info 10299 pkg.applicationInfo.setCodePath(pkg.codePath); 10300 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 10301 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 10302 pkg.applicationInfo.setResourcePath(pkg.codePath); 10303 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 10304 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 10305 10306 return true; 10307 } 10308 10309 private void setMountPath(String mountPath) { 10310 final File mountFile = new File(mountPath); 10311 10312 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 10313 if (monolithicFile.exists()) { 10314 packagePath = monolithicFile.getAbsolutePath(); 10315 if (isFwdLocked()) { 10316 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 10317 } else { 10318 resourcePath = packagePath; 10319 } 10320 } else { 10321 packagePath = mountFile.getAbsolutePath(); 10322 resourcePath = packagePath; 10323 } 10324 10325 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 10326 } 10327 10328 int doPostInstall(int status, int uid) { 10329 if (status != PackageManager.INSTALL_SUCCEEDED) { 10330 cleanUp(); 10331 } else { 10332 final int groupOwner; 10333 final String protectedFile; 10334 if (isFwdLocked()) { 10335 groupOwner = UserHandle.getSharedAppGid(uid); 10336 protectedFile = RES_FILE_NAME; 10337 } else { 10338 groupOwner = -1; 10339 protectedFile = null; 10340 } 10341 10342 if (uid < Process.FIRST_APPLICATION_UID 10343 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 10344 Slog.e(TAG, "Failed to finalize " + cid); 10345 PackageHelper.destroySdDir(cid); 10346 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 10347 } 10348 10349 boolean mounted = PackageHelper.isContainerMounted(cid); 10350 if (!mounted) { 10351 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 10352 } 10353 } 10354 return status; 10355 } 10356 10357 private void cleanUp() { 10358 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 10359 10360 // Destroy secure container 10361 PackageHelper.destroySdDir(cid); 10362 } 10363 10364 private List<String> getAllCodePaths() { 10365 final File codeFile = new File(getCodePath()); 10366 if (codeFile != null && codeFile.exists()) { 10367 try { 10368 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 10369 return pkg.getAllCodePaths(); 10370 } catch (PackageParserException e) { 10371 // Ignored; we tried our best 10372 } 10373 } 10374 return Collections.EMPTY_LIST; 10375 } 10376 10377 void cleanUpResourcesLI() { 10378 // Enumerate all code paths before deleting 10379 cleanUpResourcesLI(getAllCodePaths()); 10380 } 10381 10382 private void cleanUpResourcesLI(List<String> allCodePaths) { 10383 cleanUp(); 10384 removeDexFiles(allCodePaths, instructionSets); 10385 } 10386 10387 10388 10389 String getPackageName() { 10390 return getAsecPackageName(cid); 10391 } 10392 10393 boolean doPostDeleteLI(boolean delete) { 10394 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 10395 final List<String> allCodePaths = getAllCodePaths(); 10396 boolean mounted = PackageHelper.isContainerMounted(cid); 10397 if (mounted) { 10398 // Unmount first 10399 if (PackageHelper.unMountSdDir(cid)) { 10400 mounted = false; 10401 } 10402 } 10403 if (!mounted && delete) { 10404 cleanUpResourcesLI(allCodePaths); 10405 } 10406 return !mounted; 10407 } 10408 10409 @Override 10410 int doPreCopy() { 10411 if (isFwdLocked()) { 10412 if (!PackageHelper.fixSdPermissions(cid, 10413 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 10414 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 10415 } 10416 } 10417 10418 return PackageManager.INSTALL_SUCCEEDED; 10419 } 10420 10421 @Override 10422 int doPostCopy(int uid) { 10423 if (isFwdLocked()) { 10424 if (uid < Process.FIRST_APPLICATION_UID 10425 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 10426 RES_FILE_NAME)) { 10427 Slog.e(TAG, "Failed to finalize " + cid); 10428 PackageHelper.destroySdDir(cid); 10429 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 10430 } 10431 } 10432 10433 return PackageManager.INSTALL_SUCCEEDED; 10434 } 10435 } 10436 10437 static String getAsecPackageName(String packageCid) { 10438 int idx = packageCid.lastIndexOf("-"); 10439 if (idx == -1) { 10440 return packageCid; 10441 } 10442 return packageCid.substring(0, idx); 10443 } 10444 10445 // Utility method used to create code paths based on package name and available index. 10446 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 10447 String idxStr = ""; 10448 int idx = 1; 10449 // Fall back to default value of idx=1 if prefix is not 10450 // part of oldCodePath 10451 if (oldCodePath != null) { 10452 String subStr = oldCodePath; 10453 // Drop the suffix right away 10454 if (suffix != null && subStr.endsWith(suffix)) { 10455 subStr = subStr.substring(0, subStr.length() - suffix.length()); 10456 } 10457 // If oldCodePath already contains prefix find out the 10458 // ending index to either increment or decrement. 10459 int sidx = subStr.lastIndexOf(prefix); 10460 if (sidx != -1) { 10461 subStr = subStr.substring(sidx + prefix.length()); 10462 if (subStr != null) { 10463 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 10464 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 10465 } 10466 try { 10467 idx = Integer.parseInt(subStr); 10468 if (idx <= 1) { 10469 idx++; 10470 } else { 10471 idx--; 10472 } 10473 } catch(NumberFormatException e) { 10474 } 10475 } 10476 } 10477 } 10478 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 10479 return prefix + idxStr; 10480 } 10481 10482 private File getNextCodePath(String packageName) { 10483 int suffix = 1; 10484 File result; 10485 do { 10486 result = new File(mAppInstallDir, packageName + "-" + suffix); 10487 suffix++; 10488 } while (result.exists()); 10489 return result; 10490 } 10491 10492 // Utility method that returns the relative package path with respect 10493 // to the installation directory. Like say for /data/data/com.test-1.apk 10494 // string com.test-1 is returned. 10495 static String deriveCodePathName(String codePath) { 10496 if (codePath == null) { 10497 return null; 10498 } 10499 final File codeFile = new File(codePath); 10500 final String name = codeFile.getName(); 10501 if (codeFile.isDirectory()) { 10502 return name; 10503 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 10504 final int lastDot = name.lastIndexOf('.'); 10505 return name.substring(0, lastDot); 10506 } else { 10507 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 10508 return null; 10509 } 10510 } 10511 10512 class PackageInstalledInfo { 10513 String name; 10514 int uid; 10515 // The set of users that originally had this package installed. 10516 int[] origUsers; 10517 // The set of users that now have this package installed. 10518 int[] newUsers; 10519 PackageParser.Package pkg; 10520 int returnCode; 10521 String returnMsg; 10522 PackageRemovedInfo removedInfo; 10523 10524 public void setError(int code, String msg) { 10525 returnCode = code; 10526 returnMsg = msg; 10527 Slog.w(TAG, msg); 10528 } 10529 10530 public void setError(String msg, PackageParserException e) { 10531 returnCode = e.error; 10532 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10533 Slog.w(TAG, msg, e); 10534 } 10535 10536 public void setError(String msg, PackageManagerException e) { 10537 returnCode = e.error; 10538 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10539 Slog.w(TAG, msg, e); 10540 } 10541 10542 // In some error cases we want to convey more info back to the observer 10543 String origPackage; 10544 String origPermission; 10545 } 10546 10547 /* 10548 * Install a non-existing package. 10549 */ 10550 private void installNewPackageLI(PackageParser.Package pkg, 10551 int parseFlags, int scanFlags, UserHandle user, 10552 String installerPackageName, PackageInstalledInfo res) { 10553 // Remember this for later, in case we need to rollback this install 10554 String pkgName = pkg.packageName; 10555 10556 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 10557 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 10558 synchronized(mPackages) { 10559 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 10560 // A package with the same name is already installed, though 10561 // it has been renamed to an older name. The package we 10562 // are trying to install should be installed as an update to 10563 // the existing one, but that has not been requested, so bail. 10564 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10565 + " without first uninstalling package running as " 10566 + mSettings.mRenamedPackages.get(pkgName)); 10567 return; 10568 } 10569 if (mPackages.containsKey(pkgName)) { 10570 // Don't allow installation over an existing package with the same name. 10571 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10572 + " without first uninstalling."); 10573 return; 10574 } 10575 } 10576 10577 try { 10578 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 10579 System.currentTimeMillis(), user); 10580 10581 updateSettingsLI(newPackage, installerPackageName, null, null, res, user); 10582 // delete the partially installed application. the data directory will have to be 10583 // restored if it was already existing 10584 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10585 // remove package from internal structures. Note that we want deletePackageX to 10586 // delete the package data and cache directories that it created in 10587 // scanPackageLocked, unless those directories existed before we even tried to 10588 // install. 10589 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10590 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10591 res.removedInfo, true); 10592 } 10593 10594 } catch (PackageManagerException e) { 10595 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10596 } 10597 } 10598 10599 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10600 // Upgrade keysets are being used. Determine if new package has a superset of the 10601 // required keys. 10602 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10603 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10604 for (int i = 0; i < upgradeKeySets.length; i++) { 10605 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10606 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10607 return true; 10608 } 10609 } 10610 return false; 10611 } 10612 10613 private void replacePackageLI(PackageParser.Package pkg, 10614 int parseFlags, int scanFlags, UserHandle user, 10615 String installerPackageName, PackageInstalledInfo res) { 10616 PackageParser.Package oldPackage; 10617 String pkgName = pkg.packageName; 10618 int[] allUsers; 10619 boolean[] perUserInstalled; 10620 10621 // First find the old package info and check signatures 10622 synchronized(mPackages) { 10623 oldPackage = mPackages.get(pkgName); 10624 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10625 PackageSetting ps = mSettings.mPackages.get(pkgName); 10626 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10627 // default to original signature matching 10628 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10629 != PackageManager.SIGNATURE_MATCH) { 10630 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10631 "New package has a different signature: " + pkgName); 10632 return; 10633 } 10634 } else { 10635 if(!checkUpgradeKeySetLP(ps, pkg)) { 10636 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10637 "New package not signed by keys specified by upgrade-keysets: " 10638 + pkgName); 10639 return; 10640 } 10641 } 10642 10643 // In case of rollback, remember per-user/profile install state 10644 allUsers = sUserManager.getUserIds(); 10645 perUserInstalled = new boolean[allUsers.length]; 10646 for (int i = 0; i < allUsers.length; i++) { 10647 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10648 } 10649 } 10650 10651 boolean sysPkg = (isSystemApp(oldPackage)); 10652 if (sysPkg) { 10653 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10654 user, allUsers, perUserInstalled, installerPackageName, res); 10655 } else { 10656 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10657 user, allUsers, perUserInstalled, installerPackageName, res); 10658 } 10659 } 10660 10661 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10662 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10663 int[] allUsers, boolean[] perUserInstalled, 10664 String installerPackageName, PackageInstalledInfo res) { 10665 String pkgName = deletedPackage.packageName; 10666 boolean deletedPkg = true; 10667 boolean updatedSettings = false; 10668 10669 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10670 + deletedPackage); 10671 long origUpdateTime; 10672 if (pkg.mExtras != null) { 10673 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10674 } else { 10675 origUpdateTime = 0; 10676 } 10677 10678 // First delete the existing package while retaining the data directory 10679 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10680 res.removedInfo, true)) { 10681 // If the existing package wasn't successfully deleted 10682 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10683 deletedPkg = false; 10684 } else { 10685 // Successfully deleted the old package; proceed with replace. 10686 10687 // If deleted package lived in a container, give users a chance to 10688 // relinquish resources before killing. 10689 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 10690 if (DEBUG_INSTALL) { 10691 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10692 } 10693 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10694 final ArrayList<String> pkgList = new ArrayList<String>(1); 10695 pkgList.add(deletedPackage.applicationInfo.packageName); 10696 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10697 } 10698 10699 deleteCodeCacheDirsLI(pkgName); 10700 try { 10701 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10702 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10703 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res, 10704 user); 10705 updatedSettings = true; 10706 } catch (PackageManagerException e) { 10707 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10708 } 10709 } 10710 10711 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10712 // remove package from internal structures. Note that we want deletePackageX to 10713 // delete the package data and cache directories that it created in 10714 // scanPackageLocked, unless those directories existed before we even tried to 10715 // install. 10716 if(updatedSettings) { 10717 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10718 deletePackageLI( 10719 pkgName, null, true, allUsers, perUserInstalled, 10720 PackageManager.DELETE_KEEP_DATA, 10721 res.removedInfo, true); 10722 } 10723 // Since we failed to install the new package we need to restore the old 10724 // package that we deleted. 10725 if (deletedPkg) { 10726 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10727 File restoreFile = new File(deletedPackage.codePath); 10728 // Parse old package 10729 boolean oldOnSd = isExternal(deletedPackage); 10730 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10731 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10732 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10733 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10734 try { 10735 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10736 } catch (PackageManagerException e) { 10737 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10738 + e.getMessage()); 10739 return; 10740 } 10741 // Restore of old package succeeded. Update permissions. 10742 // writer 10743 synchronized (mPackages) { 10744 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10745 UPDATE_PERMISSIONS_ALL); 10746 // can downgrade to reader 10747 mSettings.writeLPr(); 10748 } 10749 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10750 } 10751 } 10752 } 10753 10754 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10755 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10756 int[] allUsers, boolean[] perUserInstalled, 10757 String installerPackageName, PackageInstalledInfo res) { 10758 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10759 + ", old=" + deletedPackage); 10760 boolean disabledSystem = false; 10761 boolean updatedSettings = false; 10762 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10763 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 10764 != 0) { 10765 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10766 } 10767 String packageName = deletedPackage.packageName; 10768 if (packageName == null) { 10769 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10770 "Attempt to delete null packageName."); 10771 return; 10772 } 10773 PackageParser.Package oldPkg; 10774 PackageSetting oldPkgSetting; 10775 // reader 10776 synchronized (mPackages) { 10777 oldPkg = mPackages.get(packageName); 10778 oldPkgSetting = mSettings.mPackages.get(packageName); 10779 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10780 (oldPkgSetting == null)) { 10781 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10782 "Couldn't find package:" + packageName + " information"); 10783 return; 10784 } 10785 } 10786 10787 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10788 10789 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10790 res.removedInfo.removedPackage = packageName; 10791 // Remove existing system package 10792 removePackageLI(oldPkgSetting, true); 10793 // writer 10794 synchronized (mPackages) { 10795 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10796 if (!disabledSystem && deletedPackage != null) { 10797 // We didn't need to disable the .apk as a current system package, 10798 // which means we are replacing another update that is already 10799 // installed. We need to make sure to delete the older one's .apk. 10800 res.removedInfo.args = createInstallArgsForExisting(0, 10801 deletedPackage.applicationInfo.getCodePath(), 10802 deletedPackage.applicationInfo.getResourcePath(), 10803 deletedPackage.applicationInfo.nativeLibraryRootDir, 10804 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10805 } else { 10806 res.removedInfo.args = null; 10807 } 10808 } 10809 10810 // Successfully disabled the old package. Now proceed with re-installation 10811 deleteCodeCacheDirsLI(packageName); 10812 10813 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10814 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10815 10816 PackageParser.Package newPackage = null; 10817 try { 10818 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10819 if (newPackage.mExtras != null) { 10820 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10821 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10822 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10823 10824 // is the update attempting to change shared user? that isn't going to work... 10825 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10826 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10827 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10828 + " to " + newPkgSetting.sharedUser); 10829 updatedSettings = true; 10830 } 10831 } 10832 10833 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10834 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res, 10835 user); 10836 updatedSettings = true; 10837 } 10838 10839 } catch (PackageManagerException e) { 10840 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10841 } 10842 10843 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10844 // Re installation failed. Restore old information 10845 // Remove new pkg information 10846 if (newPackage != null) { 10847 removeInstalledPackageLI(newPackage, true); 10848 } 10849 // Add back the old system package 10850 try { 10851 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10852 } catch (PackageManagerException e) { 10853 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10854 } 10855 // Restore the old system information in Settings 10856 synchronized (mPackages) { 10857 if (disabledSystem) { 10858 mSettings.enableSystemPackageLPw(packageName); 10859 } 10860 if (updatedSettings) { 10861 mSettings.setInstallerPackageName(packageName, 10862 oldPkgSetting.installerPackageName); 10863 } 10864 mSettings.writeLPr(); 10865 } 10866 } 10867 } 10868 10869 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10870 int[] allUsers, boolean[] perUserInstalled, 10871 PackageInstalledInfo res, UserHandle user) { 10872 String pkgName = newPackage.packageName; 10873 synchronized (mPackages) { 10874 //write settings. the installStatus will be incomplete at this stage. 10875 //note that the new package setting would have already been 10876 //added to mPackages. It hasn't been persisted yet. 10877 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10878 mSettings.writeLPr(); 10879 } 10880 10881 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10882 10883 synchronized (mPackages) { 10884 updatePermissionsLPw(newPackage.packageName, newPackage, 10885 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10886 ? UPDATE_PERMISSIONS_ALL : 0)); 10887 // For system-bundled packages, we assume that installing an upgraded version 10888 // of the package implies that the user actually wants to run that new code, 10889 // so we enable the package. 10890 PackageSetting ps = mSettings.mPackages.get(pkgName); 10891 if (ps != null) { 10892 if (isSystemApp(newPackage)) { 10893 // NB: implicit assumption that system package upgrades apply to all users 10894 if (DEBUG_INSTALL) { 10895 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10896 } 10897 if (res.origUsers != null) { 10898 for (int userHandle : res.origUsers) { 10899 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10900 userHandle, installerPackageName); 10901 } 10902 } 10903 // Also convey the prior install/uninstall state 10904 if (allUsers != null && perUserInstalled != null) { 10905 for (int i = 0; i < allUsers.length; i++) { 10906 if (DEBUG_INSTALL) { 10907 Slog.d(TAG, " user " + allUsers[i] 10908 + " => " + perUserInstalled[i]); 10909 } 10910 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10911 } 10912 // these install state changes will be persisted in the 10913 // upcoming call to mSettings.writeLPr(). 10914 } 10915 } 10916 // It's implied that when a user requests installation, they want the app to be 10917 // installed and enabled. 10918 int userId = user.getIdentifier(); 10919 if (userId != UserHandle.USER_ALL) { 10920 ps.setInstalled(true, userId); 10921 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 10922 } 10923 } 10924 res.name = pkgName; 10925 res.uid = newPackage.applicationInfo.uid; 10926 res.pkg = newPackage; 10927 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10928 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10929 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10930 //to update install status 10931 mSettings.writeLPr(); 10932 } 10933 } 10934 10935 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10936 final int installFlags = args.installFlags; 10937 String installerPackageName = args.installerPackageName; 10938 File tmpPackageFile = new File(args.getCodePath()); 10939 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10940 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10941 boolean replace = false; 10942 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10943 // Result object to be returned 10944 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10945 10946 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10947 // Retrieve PackageSettings and parse package 10948 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10949 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10950 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10951 PackageParser pp = new PackageParser(); 10952 pp.setSeparateProcesses(mSeparateProcesses); 10953 pp.setDisplayMetrics(mMetrics); 10954 10955 final PackageParser.Package pkg; 10956 try { 10957 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10958 } catch (PackageParserException e) { 10959 res.setError("Failed parse during installPackageLI", e); 10960 return; 10961 } 10962 10963 // Mark that we have an install time CPU ABI override. 10964 pkg.cpuAbiOverride = args.abiOverride; 10965 10966 String pkgName = res.name = pkg.packageName; 10967 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10968 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10969 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10970 return; 10971 } 10972 } 10973 10974 try { 10975 pp.collectCertificates(pkg, parseFlags); 10976 pp.collectManifestDigest(pkg); 10977 } catch (PackageParserException e) { 10978 res.setError("Failed collect during installPackageLI", e); 10979 return; 10980 } 10981 10982 /* If the installer passed in a manifest digest, compare it now. */ 10983 if (args.manifestDigest != null) { 10984 if (DEBUG_INSTALL) { 10985 final String parsedManifest = pkg.manifestDigest == null ? "null" 10986 : pkg.manifestDigest.toString(); 10987 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10988 + parsedManifest); 10989 } 10990 10991 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10992 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10993 return; 10994 } 10995 } else if (DEBUG_INSTALL) { 10996 final String parsedManifest = pkg.manifestDigest == null 10997 ? "null" : pkg.manifestDigest.toString(); 10998 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10999 } 11000 11001 // Get rid of all references to package scan path via parser. 11002 pp = null; 11003 String oldCodePath = null; 11004 boolean systemApp = false; 11005 synchronized (mPackages) { 11006 // Check if installing already existing package 11007 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11008 String oldName = mSettings.mRenamedPackages.get(pkgName); 11009 if (pkg.mOriginalPackages != null 11010 && pkg.mOriginalPackages.contains(oldName) 11011 && mPackages.containsKey(oldName)) { 11012 // This package is derived from an original package, 11013 // and this device has been updating from that original 11014 // name. We must continue using the original name, so 11015 // rename the new package here. 11016 pkg.setPackageName(oldName); 11017 pkgName = pkg.packageName; 11018 replace = true; 11019 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 11020 + oldName + " pkgName=" + pkgName); 11021 } else if (mPackages.containsKey(pkgName)) { 11022 // This package, under its official name, already exists 11023 // on the device; we should replace it. 11024 replace = true; 11025 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 11026 } 11027 } 11028 11029 PackageSetting ps = mSettings.mPackages.get(pkgName); 11030 if (ps != null) { 11031 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 11032 11033 // Quick sanity check that we're signed correctly if updating; 11034 // we'll check this again later when scanning, but we want to 11035 // bail early here before tripping over redefined permissions. 11036 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 11037 try { 11038 verifySignaturesLP(ps, pkg); 11039 } catch (PackageManagerException e) { 11040 res.setError(e.error, e.getMessage()); 11041 return; 11042 } 11043 } else { 11044 if (!checkUpgradeKeySetLP(ps, pkg)) { 11045 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 11046 + pkg.packageName + " upgrade keys do not match the " 11047 + "previously installed version"); 11048 return; 11049 } 11050 } 11051 11052 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 11053 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 11054 systemApp = (ps.pkg.applicationInfo.flags & 11055 ApplicationInfo.FLAG_SYSTEM) != 0; 11056 } 11057 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 11058 } 11059 11060 // Check whether the newly-scanned package wants to define an already-defined perm 11061 int N = pkg.permissions.size(); 11062 for (int i = N-1; i >= 0; i--) { 11063 PackageParser.Permission perm = pkg.permissions.get(i); 11064 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 11065 if (bp != null) { 11066 // If the defining package is signed with our cert, it's okay. This 11067 // also includes the "updating the same package" case, of course. 11068 // "updating same package" could also involve key-rotation. 11069 final boolean sigsOk; 11070 if (!bp.sourcePackage.equals(pkg.packageName) 11071 || !(bp.packageSetting instanceof PackageSetting) 11072 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 11073 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 11074 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 11075 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 11076 } else { 11077 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 11078 } 11079 if (!sigsOk) { 11080 // If the owning package is the system itself, we log but allow 11081 // install to proceed; we fail the install on all other permission 11082 // redefinitions. 11083 if (!bp.sourcePackage.equals("android")) { 11084 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 11085 + pkg.packageName + " attempting to redeclare permission " 11086 + perm.info.name + " already owned by " + bp.sourcePackage); 11087 res.origPermission = perm.info.name; 11088 res.origPackage = bp.sourcePackage; 11089 return; 11090 } else { 11091 Slog.w(TAG, "Package " + pkg.packageName 11092 + " attempting to redeclare system permission " 11093 + perm.info.name + "; ignoring new declaration"); 11094 pkg.permissions.remove(i); 11095 } 11096 } 11097 } 11098 } 11099 11100 } 11101 11102 if (systemApp && onSd) { 11103 // Disable updates to system apps on sdcard 11104 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 11105 "Cannot install updates to system apps on sdcard"); 11106 return; 11107 } 11108 11109 // Run dexopt before old package gets removed, to minimize time when app is not available 11110 int result = mPackageDexOptimizer 11111 .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */, 11112 false /* defer */, false /* inclDependencies */); 11113 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 11114 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 11115 return; 11116 } 11117 11118 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 11119 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 11120 return; 11121 } 11122 11123 startIntentFilterVerifications(args.user.getIdentifier(), pkg); 11124 11125 if (replace) { 11126 // Call replacePackageLI with SCAN_NO_DEX, since we already made dexopt 11127 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING | SCAN_NO_DEX, args.user, 11128 installerPackageName, res); 11129 } else { 11130 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 11131 args.user, installerPackageName, res); 11132 } 11133 synchronized (mPackages) { 11134 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11135 if (ps != null) { 11136 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 11137 } 11138 } 11139 } 11140 11141 private void startIntentFilterVerifications(int userId, PackageParser.Package pkg) { 11142 if (mIntentFilterVerifierComponent == null) { 11143 Slog.d(TAG, "No IntentFilter verification will not be done as " 11144 + "there is no IntentFilterVerifier available!"); 11145 return; 11146 } 11147 11148 final int verifierUid = getPackageUid( 11149 mIntentFilterVerifierComponent.getPackageName(), 11150 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 11151 11152 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 11153 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 11154 msg.obj = pkg; 11155 msg.arg1 = userId; 11156 msg.arg2 = verifierUid; 11157 11158 mHandler.sendMessage(msg); 11159 } 11160 11161 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, 11162 PackageParser.Package pkg) { 11163 int size = pkg.activities.size(); 11164 if (size == 0) { 11165 Slog.d(TAG, "No activity, so no need to verify any IntentFilter!"); 11166 return; 11167 } 11168 11169 Slog.d(TAG, "Checking for userId:" + userId + " if any IntentFilter from the " + size 11170 + " Activities needs verification ..."); 11171 11172 final int verificationId = mIntentFilterVerificationToken++; 11173 int count = 0; 11174 synchronized (mPackages) { 11175 for (PackageParser.Activity a : pkg.activities) { 11176 for (ActivityIntentInfo filter : a.intents) { 11177 boolean needFilterVerification = filter.needsVerification() && 11178 !filter.isVerified(); 11179 if (needFilterVerification && needNetworkVerificationLPr(filter)) { 11180 Slog.d(TAG, "Verification needed for IntentFilter:" + filter.toString()); 11181 mIntentFilterVerifier.addOneIntentFilterVerification( 11182 verifierUid, userId, verificationId, filter, pkg.packageName); 11183 count++; 11184 } else { 11185 Slog.d(TAG, "No verification needed for IntentFilter:" + filter.toString()); 11186 } 11187 } 11188 } 11189 } 11190 11191 if (count > 0) { 11192 mIntentFilterVerifier.startVerifications(userId); 11193 Slog.d(TAG, "Started " + count + " IntentFilter verification" 11194 + (count > 1 ? "s" : "") + " for userId:" + userId + "!"); 11195 } else { 11196 Slog.d(TAG, "No need to start any IntentFilter verification!"); 11197 } 11198 } 11199 11200 private boolean needNetworkVerificationLPr(ActivityIntentInfo filter) { 11201 final ComponentName cn = filter.activity.getComponentName(); 11202 final String packageName = cn.getPackageName(); 11203 11204 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 11205 packageName); 11206 if (ivi == null) { 11207 return true; 11208 } 11209 int status = ivi.getStatus(); 11210 switch (status) { 11211 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 11212 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 11213 return true; 11214 11215 default: 11216 // Nothing to do 11217 return false; 11218 } 11219 } 11220 11221 private static boolean isMultiArch(PackageSetting ps) { 11222 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 11223 } 11224 11225 private static boolean isMultiArch(ApplicationInfo info) { 11226 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 11227 } 11228 11229 private static boolean isExternal(PackageParser.Package pkg) { 11230 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 11231 } 11232 11233 private static boolean isExternal(PackageSetting ps) { 11234 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 11235 } 11236 11237 private static boolean isExternal(ApplicationInfo info) { 11238 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 11239 } 11240 11241 private static boolean isSystemApp(PackageParser.Package pkg) { 11242 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 11243 } 11244 11245 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 11246 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 11247 } 11248 11249 private static boolean isSystemApp(PackageSetting ps) { 11250 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 11251 } 11252 11253 private static boolean isUpdatedSystemApp(PackageSetting ps) { 11254 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 11255 } 11256 11257 private int packageFlagsToInstallFlags(PackageSetting ps) { 11258 int installFlags = 0; 11259 if (isExternal(ps)) { 11260 installFlags |= PackageManager.INSTALL_EXTERNAL; 11261 } 11262 if (ps.isForwardLocked()) { 11263 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11264 } 11265 return installFlags; 11266 } 11267 11268 private void deleteTempPackageFiles() { 11269 final FilenameFilter filter = new FilenameFilter() { 11270 public boolean accept(File dir, String name) { 11271 return name.startsWith("vmdl") && name.endsWith(".tmp"); 11272 } 11273 }; 11274 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 11275 file.delete(); 11276 } 11277 } 11278 11279 @Override 11280 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 11281 int flags) { 11282 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 11283 flags); 11284 } 11285 11286 @Override 11287 public void deletePackage(final String packageName, 11288 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 11289 mContext.enforceCallingOrSelfPermission( 11290 android.Manifest.permission.DELETE_PACKAGES, null); 11291 final int uid = Binder.getCallingUid(); 11292 if (UserHandle.getUserId(uid) != userId) { 11293 mContext.enforceCallingPermission( 11294 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 11295 "deletePackage for user " + userId); 11296 } 11297 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 11298 try { 11299 observer.onPackageDeleted(packageName, 11300 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 11301 } catch (RemoteException re) { 11302 } 11303 return; 11304 } 11305 11306 boolean uninstallBlocked = false; 11307 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 11308 int[] users = sUserManager.getUserIds(); 11309 for (int i = 0; i < users.length; ++i) { 11310 if (getBlockUninstallForUser(packageName, users[i])) { 11311 uninstallBlocked = true; 11312 break; 11313 } 11314 } 11315 } else { 11316 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 11317 } 11318 if (uninstallBlocked) { 11319 try { 11320 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 11321 null); 11322 } catch (RemoteException re) { 11323 } 11324 return; 11325 } 11326 11327 if (DEBUG_REMOVE) { 11328 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 11329 } 11330 // Queue up an async operation since the package deletion may take a little while. 11331 mHandler.post(new Runnable() { 11332 public void run() { 11333 mHandler.removeCallbacks(this); 11334 final int returnCode = deletePackageX(packageName, userId, flags); 11335 if (observer != null) { 11336 try { 11337 observer.onPackageDeleted(packageName, returnCode, null); 11338 } catch (RemoteException e) { 11339 Log.i(TAG, "Observer no longer exists."); 11340 } //end catch 11341 } //end if 11342 } //end run 11343 }); 11344 } 11345 11346 private boolean isPackageDeviceAdmin(String packageName, int userId) { 11347 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 11348 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 11349 try { 11350 if (dpm != null) { 11351 if (dpm.isDeviceOwner(packageName)) { 11352 return true; 11353 } 11354 int[] users; 11355 if (userId == UserHandle.USER_ALL) { 11356 users = sUserManager.getUserIds(); 11357 } else { 11358 users = new int[]{userId}; 11359 } 11360 for (int i = 0; i < users.length; ++i) { 11361 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 11362 return true; 11363 } 11364 } 11365 } 11366 } catch (RemoteException e) { 11367 } 11368 return false; 11369 } 11370 11371 /** 11372 * This method is an internal method that could be get invoked either 11373 * to delete an installed package or to clean up a failed installation. 11374 * After deleting an installed package, a broadcast is sent to notify any 11375 * listeners that the package has been installed. For cleaning up a failed 11376 * installation, the broadcast is not necessary since the package's 11377 * installation wouldn't have sent the initial broadcast either 11378 * The key steps in deleting a package are 11379 * deleting the package information in internal structures like mPackages, 11380 * deleting the packages base directories through installd 11381 * updating mSettings to reflect current status 11382 * persisting settings for later use 11383 * sending a broadcast if necessary 11384 */ 11385 private int deletePackageX(String packageName, int userId, int flags) { 11386 final PackageRemovedInfo info = new PackageRemovedInfo(); 11387 final boolean res; 11388 11389 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 11390 ? UserHandle.ALL : new UserHandle(userId); 11391 11392 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 11393 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 11394 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 11395 } 11396 11397 boolean removedForAllUsers = false; 11398 boolean systemUpdate = false; 11399 11400 // for the uninstall-updates case and restricted profiles, remember the per- 11401 // userhandle installed state 11402 int[] allUsers; 11403 boolean[] perUserInstalled; 11404 synchronized (mPackages) { 11405 PackageSetting ps = mSettings.mPackages.get(packageName); 11406 allUsers = sUserManager.getUserIds(); 11407 perUserInstalled = new boolean[allUsers.length]; 11408 for (int i = 0; i < allUsers.length; i++) { 11409 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11410 } 11411 } 11412 11413 synchronized (mInstallLock) { 11414 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 11415 res = deletePackageLI(packageName, removeForUser, 11416 true, allUsers, perUserInstalled, 11417 flags | REMOVE_CHATTY, info, true); 11418 systemUpdate = info.isRemovedPackageSystemUpdate; 11419 if (res && !systemUpdate && mPackages.get(packageName) == null) { 11420 removedForAllUsers = true; 11421 } 11422 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 11423 + " removedForAllUsers=" + removedForAllUsers); 11424 } 11425 11426 if (res) { 11427 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 11428 11429 // If the removed package was a system update, the old system package 11430 // was re-enabled; we need to broadcast this information 11431 if (systemUpdate) { 11432 Bundle extras = new Bundle(1); 11433 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 11434 ? info.removedAppId : info.uid); 11435 extras.putBoolean(Intent.EXTRA_REPLACING, true); 11436 11437 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 11438 extras, null, null, null); 11439 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 11440 extras, null, null, null); 11441 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 11442 null, packageName, null, null); 11443 } 11444 } 11445 // Force a gc here. 11446 Runtime.getRuntime().gc(); 11447 // Delete the resources here after sending the broadcast to let 11448 // other processes clean up before deleting resources. 11449 if (info.args != null) { 11450 synchronized (mInstallLock) { 11451 info.args.doPostDeleteLI(true); 11452 } 11453 } 11454 11455 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 11456 } 11457 11458 static class PackageRemovedInfo { 11459 String removedPackage; 11460 int uid = -1; 11461 int removedAppId = -1; 11462 int[] removedUsers = null; 11463 boolean isRemovedPackageSystemUpdate = false; 11464 // Clean up resources deleted packages. 11465 InstallArgs args = null; 11466 11467 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 11468 Bundle extras = new Bundle(1); 11469 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 11470 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 11471 if (replacing) { 11472 extras.putBoolean(Intent.EXTRA_REPLACING, true); 11473 } 11474 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 11475 if (removedPackage != null) { 11476 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 11477 extras, null, null, removedUsers); 11478 if (fullRemove && !replacing) { 11479 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 11480 extras, null, null, removedUsers); 11481 } 11482 } 11483 if (removedAppId >= 0) { 11484 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 11485 removedUsers); 11486 } 11487 } 11488 } 11489 11490 /* 11491 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 11492 * flag is not set, the data directory is removed as well. 11493 * make sure this flag is set for partially installed apps. If not its meaningless to 11494 * delete a partially installed application. 11495 */ 11496 private void removePackageDataLI(PackageSetting ps, 11497 int[] allUserHandles, boolean[] perUserInstalled, 11498 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 11499 String packageName = ps.name; 11500 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 11501 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 11502 // Retrieve object to delete permissions for shared user later on 11503 final PackageSetting deletedPs; 11504 // reader 11505 synchronized (mPackages) { 11506 deletedPs = mSettings.mPackages.get(packageName); 11507 if (outInfo != null) { 11508 outInfo.removedPackage = packageName; 11509 outInfo.removedUsers = deletedPs != null 11510 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 11511 : null; 11512 } 11513 } 11514 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11515 removeDataDirsLI(packageName); 11516 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 11517 } 11518 // writer 11519 synchronized (mPackages) { 11520 if (deletedPs != null) { 11521 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11522 if (outInfo != null) { 11523 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 11524 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 11525 } 11526 updatePermissionsLPw(deletedPs.name, null, 0); 11527 if (deletedPs.sharedUser != null) { 11528 // Remove permissions associated with package. Since runtime 11529 // permissions are per user we have to kill the removed package 11530 // or packages running under the shared user of the removed 11531 // package if revoking the permissions requested only by the removed 11532 // package is successful and this causes a change in gids. 11533 for (int userId : UserManagerService.getInstance().getUserIds()) { 11534 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 11535 userId); 11536 if (userIdToKill == UserHandle.USER_ALL 11537 || userIdToKill >= UserHandle.USER_OWNER) { 11538 // If gids changed for this user, kill all affected packages. 11539 mHandler.post(new Runnable() { 11540 @Override 11541 public void run() { 11542 // This has to happen with no lock held. 11543 killSettingPackagesForUser(deletedPs, userIdToKill, 11544 KILL_APP_REASON_GIDS_CHANGED); 11545 } 11546 }); 11547 break; 11548 } 11549 } 11550 } 11551 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 11552 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 11553 } 11554 // make sure to preserve per-user disabled state if this removal was just 11555 // a downgrade of a system app to the factory package 11556 if (allUserHandles != null && perUserInstalled != null) { 11557 if (DEBUG_REMOVE) { 11558 Slog.d(TAG, "Propagating install state across downgrade"); 11559 } 11560 for (int i = 0; i < allUserHandles.length; i++) { 11561 if (DEBUG_REMOVE) { 11562 Slog.d(TAG, " user " + allUserHandles[i] 11563 + " => " + perUserInstalled[i]); 11564 } 11565 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11566 } 11567 } 11568 } 11569 // can downgrade to reader 11570 if (writeSettings) { 11571 // Save settings now 11572 mSettings.writeLPr(); 11573 } 11574 } 11575 if (outInfo != null) { 11576 // A user ID was deleted here. Go through all users and remove it 11577 // from KeyStore. 11578 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 11579 } 11580 } 11581 11582 static boolean locationIsPrivileged(File path) { 11583 try { 11584 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 11585 .getCanonicalPath(); 11586 return path.getCanonicalPath().startsWith(privilegedAppDir); 11587 } catch (IOException e) { 11588 Slog.e(TAG, "Unable to access code path " + path); 11589 } 11590 return false; 11591 } 11592 11593 /* 11594 * Tries to delete system package. 11595 */ 11596 private boolean deleteSystemPackageLI(PackageSetting newPs, 11597 int[] allUserHandles, boolean[] perUserInstalled, 11598 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 11599 final boolean applyUserRestrictions 11600 = (allUserHandles != null) && (perUserInstalled != null); 11601 PackageSetting disabledPs = null; 11602 // Confirm if the system package has been updated 11603 // An updated system app can be deleted. This will also have to restore 11604 // the system pkg from system partition 11605 // reader 11606 synchronized (mPackages) { 11607 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 11608 } 11609 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 11610 + " disabledPs=" + disabledPs); 11611 if (disabledPs == null) { 11612 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 11613 return false; 11614 } else if (DEBUG_REMOVE) { 11615 Slog.d(TAG, "Deleting system pkg from data partition"); 11616 } 11617 if (DEBUG_REMOVE) { 11618 if (applyUserRestrictions) { 11619 Slog.d(TAG, "Remembering install states:"); 11620 for (int i = 0; i < allUserHandles.length; i++) { 11621 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 11622 } 11623 } 11624 } 11625 // Delete the updated package 11626 outInfo.isRemovedPackageSystemUpdate = true; 11627 if (disabledPs.versionCode < newPs.versionCode) { 11628 // Delete data for downgrades 11629 flags &= ~PackageManager.DELETE_KEEP_DATA; 11630 } else { 11631 // Preserve data by setting flag 11632 flags |= PackageManager.DELETE_KEEP_DATA; 11633 } 11634 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 11635 allUserHandles, perUserInstalled, outInfo, writeSettings); 11636 if (!ret) { 11637 return false; 11638 } 11639 // writer 11640 synchronized (mPackages) { 11641 // Reinstate the old system package 11642 mSettings.enableSystemPackageLPw(newPs.name); 11643 // Remove any native libraries from the upgraded package. 11644 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 11645 } 11646 // Install the system package 11647 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 11648 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 11649 if (locationIsPrivileged(disabledPs.codePath)) { 11650 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11651 } 11652 11653 final PackageParser.Package newPkg; 11654 try { 11655 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 11656 } catch (PackageManagerException e) { 11657 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 11658 return false; 11659 } 11660 11661 // writer 11662 synchronized (mPackages) { 11663 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 11664 updatePermissionsLPw(newPkg.packageName, newPkg, 11665 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 11666 if (applyUserRestrictions) { 11667 if (DEBUG_REMOVE) { 11668 Slog.d(TAG, "Propagating install state across reinstall"); 11669 } 11670 for (int i = 0; i < allUserHandles.length; i++) { 11671 if (DEBUG_REMOVE) { 11672 Slog.d(TAG, " user " + allUserHandles[i] 11673 + " => " + perUserInstalled[i]); 11674 } 11675 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11676 } 11677 // Regardless of writeSettings we need to ensure that this restriction 11678 // state propagation is persisted 11679 mSettings.writeAllUsersPackageRestrictionsLPr(); 11680 } 11681 // can downgrade to reader here 11682 if (writeSettings) { 11683 mSettings.writeLPr(); 11684 } 11685 } 11686 return true; 11687 } 11688 11689 private boolean deleteInstalledPackageLI(PackageSetting ps, 11690 boolean deleteCodeAndResources, int flags, 11691 int[] allUserHandles, boolean[] perUserInstalled, 11692 PackageRemovedInfo outInfo, boolean writeSettings) { 11693 if (outInfo != null) { 11694 outInfo.uid = ps.appId; 11695 } 11696 11697 // Delete package data from internal structures and also remove data if flag is set 11698 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11699 11700 // Delete application code and resources 11701 if (deleteCodeAndResources && (outInfo != null)) { 11702 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 11703 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11704 getAppDexInstructionSets(ps)); 11705 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11706 } 11707 return true; 11708 } 11709 11710 @Override 11711 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11712 int userId) { 11713 mContext.enforceCallingOrSelfPermission( 11714 android.Manifest.permission.DELETE_PACKAGES, null); 11715 synchronized (mPackages) { 11716 PackageSetting ps = mSettings.mPackages.get(packageName); 11717 if (ps == null) { 11718 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11719 return false; 11720 } 11721 if (!ps.getInstalled(userId)) { 11722 // Can't block uninstall for an app that is not installed or enabled. 11723 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11724 return false; 11725 } 11726 ps.setBlockUninstall(blockUninstall, userId); 11727 mSettings.writePackageRestrictionsLPr(userId); 11728 } 11729 return true; 11730 } 11731 11732 @Override 11733 public boolean getBlockUninstallForUser(String packageName, int userId) { 11734 synchronized (mPackages) { 11735 PackageSetting ps = mSettings.mPackages.get(packageName); 11736 if (ps == null) { 11737 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11738 return false; 11739 } 11740 return ps.getBlockUninstall(userId); 11741 } 11742 } 11743 11744 /* 11745 * This method handles package deletion in general 11746 */ 11747 private boolean deletePackageLI(String packageName, UserHandle user, 11748 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11749 int flags, PackageRemovedInfo outInfo, 11750 boolean writeSettings) { 11751 if (packageName == null) { 11752 Slog.w(TAG, "Attempt to delete null packageName."); 11753 return false; 11754 } 11755 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11756 PackageSetting ps; 11757 boolean dataOnly = false; 11758 int removeUser = -1; 11759 int appId = -1; 11760 synchronized (mPackages) { 11761 ps = mSettings.mPackages.get(packageName); 11762 if (ps == null) { 11763 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11764 return false; 11765 } 11766 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11767 && user.getIdentifier() != UserHandle.USER_ALL) { 11768 // The caller is asking that the package only be deleted for a single 11769 // user. To do this, we just mark its uninstalled state and delete 11770 // its data. If this is a system app, we only allow this to happen if 11771 // they have set the special DELETE_SYSTEM_APP which requests different 11772 // semantics than normal for uninstalling system apps. 11773 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11774 ps.setUserState(user.getIdentifier(), 11775 COMPONENT_ENABLED_STATE_DEFAULT, 11776 false, //installed 11777 true, //stopped 11778 true, //notLaunched 11779 false, //hidden 11780 null, null, null, 11781 false, // blockUninstall 11782 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 11783 if (!isSystemApp(ps)) { 11784 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11785 // Other user still have this package installed, so all 11786 // we need to do is clear this user's data and save that 11787 // it is uninstalled. 11788 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11789 removeUser = user.getIdentifier(); 11790 appId = ps.appId; 11791 mSettings.writePackageRestrictionsLPr(removeUser); 11792 } else { 11793 // We need to set it back to 'installed' so the uninstall 11794 // broadcasts will be sent correctly. 11795 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11796 ps.setInstalled(true, user.getIdentifier()); 11797 } 11798 } else { 11799 // This is a system app, so we assume that the 11800 // other users still have this package installed, so all 11801 // we need to do is clear this user's data and save that 11802 // it is uninstalled. 11803 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11804 removeUser = user.getIdentifier(); 11805 appId = ps.appId; 11806 mSettings.writePackageRestrictionsLPr(removeUser); 11807 } 11808 } 11809 } 11810 11811 if (removeUser >= 0) { 11812 // From above, we determined that we are deleting this only 11813 // for a single user. Continue the work here. 11814 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11815 if (outInfo != null) { 11816 outInfo.removedPackage = packageName; 11817 outInfo.removedAppId = appId; 11818 outInfo.removedUsers = new int[] {removeUser}; 11819 } 11820 mInstaller.clearUserData(packageName, removeUser); 11821 removeKeystoreDataIfNeeded(removeUser, appId); 11822 schedulePackageCleaning(packageName, removeUser, false); 11823 return true; 11824 } 11825 11826 if (dataOnly) { 11827 // Delete application data first 11828 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11829 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11830 return true; 11831 } 11832 11833 boolean ret = false; 11834 if (isSystemApp(ps)) { 11835 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11836 // When an updated system application is deleted we delete the existing resources as well and 11837 // fall back to existing code in system partition 11838 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11839 flags, outInfo, writeSettings); 11840 } else { 11841 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11842 // Kill application pre-emptively especially for apps on sd. 11843 killApplication(packageName, ps.appId, "uninstall pkg"); 11844 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11845 allUserHandles, perUserInstalled, 11846 outInfo, writeSettings); 11847 } 11848 11849 return ret; 11850 } 11851 11852 private final class ClearStorageConnection implements ServiceConnection { 11853 IMediaContainerService mContainerService; 11854 11855 @Override 11856 public void onServiceConnected(ComponentName name, IBinder service) { 11857 synchronized (this) { 11858 mContainerService = IMediaContainerService.Stub.asInterface(service); 11859 notifyAll(); 11860 } 11861 } 11862 11863 @Override 11864 public void onServiceDisconnected(ComponentName name) { 11865 } 11866 } 11867 11868 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11869 final boolean mounted; 11870 if (Environment.isExternalStorageEmulated()) { 11871 mounted = true; 11872 } else { 11873 final String status = Environment.getExternalStorageState(); 11874 11875 mounted = status.equals(Environment.MEDIA_MOUNTED) 11876 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11877 } 11878 11879 if (!mounted) { 11880 return; 11881 } 11882 11883 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11884 int[] users; 11885 if (userId == UserHandle.USER_ALL) { 11886 users = sUserManager.getUserIds(); 11887 } else { 11888 users = new int[] { userId }; 11889 } 11890 final ClearStorageConnection conn = new ClearStorageConnection(); 11891 if (mContext.bindServiceAsUser( 11892 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11893 try { 11894 for (int curUser : users) { 11895 long timeout = SystemClock.uptimeMillis() + 5000; 11896 synchronized (conn) { 11897 long now = SystemClock.uptimeMillis(); 11898 while (conn.mContainerService == null && now < timeout) { 11899 try { 11900 conn.wait(timeout - now); 11901 } catch (InterruptedException e) { 11902 } 11903 } 11904 } 11905 if (conn.mContainerService == null) { 11906 return; 11907 } 11908 11909 final UserEnvironment userEnv = new UserEnvironment(curUser); 11910 clearDirectory(conn.mContainerService, 11911 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11912 if (allData) { 11913 clearDirectory(conn.mContainerService, 11914 userEnv.buildExternalStorageAppDataDirs(packageName)); 11915 clearDirectory(conn.mContainerService, 11916 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11917 } 11918 } 11919 } finally { 11920 mContext.unbindService(conn); 11921 } 11922 } 11923 } 11924 11925 @Override 11926 public void clearApplicationUserData(final String packageName, 11927 final IPackageDataObserver observer, final int userId) { 11928 mContext.enforceCallingOrSelfPermission( 11929 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11930 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11931 // Queue up an async operation since the package deletion may take a little while. 11932 mHandler.post(new Runnable() { 11933 public void run() { 11934 mHandler.removeCallbacks(this); 11935 final boolean succeeded; 11936 synchronized (mInstallLock) { 11937 succeeded = clearApplicationUserDataLI(packageName, userId); 11938 } 11939 clearExternalStorageDataSync(packageName, userId, true); 11940 if (succeeded) { 11941 // invoke DeviceStorageMonitor's update method to clear any notifications 11942 DeviceStorageMonitorInternal 11943 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11944 if (dsm != null) { 11945 dsm.checkMemory(); 11946 } 11947 } 11948 if(observer != null) { 11949 try { 11950 observer.onRemoveCompleted(packageName, succeeded); 11951 } catch (RemoteException e) { 11952 Log.i(TAG, "Observer no longer exists."); 11953 } 11954 } //end if observer 11955 } //end run 11956 }); 11957 } 11958 11959 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11960 if (packageName == null) { 11961 Slog.w(TAG, "Attempt to delete null packageName."); 11962 return false; 11963 } 11964 11965 // Try finding details about the requested package 11966 PackageParser.Package pkg; 11967 synchronized (mPackages) { 11968 pkg = mPackages.get(packageName); 11969 if (pkg == null) { 11970 final PackageSetting ps = mSettings.mPackages.get(packageName); 11971 if (ps != null) { 11972 pkg = ps.pkg; 11973 } 11974 } 11975 } 11976 11977 if (pkg == null) { 11978 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11979 } 11980 11981 // Always delete data directories for package, even if we found no other 11982 // record of app. This helps users recover from UID mismatches without 11983 // resorting to a full data wipe. 11984 int retCode = mInstaller.clearUserData(packageName, userId); 11985 if (retCode < 0) { 11986 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11987 return false; 11988 } 11989 11990 if (pkg == null) { 11991 return false; 11992 } 11993 11994 if (pkg != null && pkg.applicationInfo != null) { 11995 final int appId = pkg.applicationInfo.uid; 11996 removeKeystoreDataIfNeeded(userId, appId); 11997 } 11998 11999 // Create a native library symlink only if we have native libraries 12000 // and if the native libraries are 32 bit libraries. We do not provide 12001 // this symlink for 64 bit libraries. 12002 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 12003 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 12004 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 12005 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 12006 Slog.w(TAG, "Failed linking native library dir"); 12007 return false; 12008 } 12009 } 12010 12011 return true; 12012 } 12013 12014 /** 12015 * Remove entries from the keystore daemon. Will only remove it if the 12016 * {@code appId} is valid. 12017 */ 12018 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 12019 if (appId < 0) { 12020 return; 12021 } 12022 12023 final KeyStore keyStore = KeyStore.getInstance(); 12024 if (keyStore != null) { 12025 if (userId == UserHandle.USER_ALL) { 12026 for (final int individual : sUserManager.getUserIds()) { 12027 keyStore.clearUid(UserHandle.getUid(individual, appId)); 12028 } 12029 } else { 12030 keyStore.clearUid(UserHandle.getUid(userId, appId)); 12031 } 12032 } else { 12033 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 12034 } 12035 } 12036 12037 @Override 12038 public void deleteApplicationCacheFiles(final String packageName, 12039 final IPackageDataObserver observer) { 12040 mContext.enforceCallingOrSelfPermission( 12041 android.Manifest.permission.DELETE_CACHE_FILES, null); 12042 // Queue up an async operation since the package deletion may take a little while. 12043 final int userId = UserHandle.getCallingUserId(); 12044 mHandler.post(new Runnable() { 12045 public void run() { 12046 mHandler.removeCallbacks(this); 12047 final boolean succeded; 12048 synchronized (mInstallLock) { 12049 succeded = deleteApplicationCacheFilesLI(packageName, userId); 12050 } 12051 clearExternalStorageDataSync(packageName, userId, false); 12052 if(observer != null) { 12053 try { 12054 observer.onRemoveCompleted(packageName, succeded); 12055 } catch (RemoteException e) { 12056 Log.i(TAG, "Observer no longer exists."); 12057 } 12058 } //end if observer 12059 } //end run 12060 }); 12061 } 12062 12063 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 12064 if (packageName == null) { 12065 Slog.w(TAG, "Attempt to delete null packageName."); 12066 return false; 12067 } 12068 PackageParser.Package p; 12069 synchronized (mPackages) { 12070 p = mPackages.get(packageName); 12071 } 12072 if (p == null) { 12073 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 12074 return false; 12075 } 12076 final ApplicationInfo applicationInfo = p.applicationInfo; 12077 if (applicationInfo == null) { 12078 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 12079 return false; 12080 } 12081 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 12082 if (retCode < 0) { 12083 Slog.w(TAG, "Couldn't remove cache files for package: " 12084 + packageName + " u" + userId); 12085 return false; 12086 } 12087 return true; 12088 } 12089 12090 @Override 12091 public void getPackageSizeInfo(final String packageName, int userHandle, 12092 final IPackageStatsObserver observer) { 12093 mContext.enforceCallingOrSelfPermission( 12094 android.Manifest.permission.GET_PACKAGE_SIZE, null); 12095 if (packageName == null) { 12096 throw new IllegalArgumentException("Attempt to get size of null packageName"); 12097 } 12098 12099 PackageStats stats = new PackageStats(packageName, userHandle); 12100 12101 /* 12102 * Queue up an async operation since the package measurement may take a 12103 * little while. 12104 */ 12105 Message msg = mHandler.obtainMessage(INIT_COPY); 12106 msg.obj = new MeasureParams(stats, observer); 12107 mHandler.sendMessage(msg); 12108 } 12109 12110 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 12111 PackageStats pStats) { 12112 if (packageName == null) { 12113 Slog.w(TAG, "Attempt to get size of null packageName."); 12114 return false; 12115 } 12116 PackageParser.Package p; 12117 boolean dataOnly = false; 12118 String libDirRoot = null; 12119 String asecPath = null; 12120 PackageSetting ps = null; 12121 synchronized (mPackages) { 12122 p = mPackages.get(packageName); 12123 ps = mSettings.mPackages.get(packageName); 12124 if(p == null) { 12125 dataOnly = true; 12126 if((ps == null) || (ps.pkg == null)) { 12127 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 12128 return false; 12129 } 12130 p = ps.pkg; 12131 } 12132 if (ps != null) { 12133 libDirRoot = ps.legacyNativeLibraryPathString; 12134 } 12135 if (p != null && (isExternal(p) || p.isForwardLocked())) { 12136 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 12137 if (secureContainerId != null) { 12138 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 12139 } 12140 } 12141 } 12142 String publicSrcDir = null; 12143 if(!dataOnly) { 12144 final ApplicationInfo applicationInfo = p.applicationInfo; 12145 if (applicationInfo == null) { 12146 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 12147 return false; 12148 } 12149 if (p.isForwardLocked()) { 12150 publicSrcDir = applicationInfo.getBaseResourcePath(); 12151 } 12152 } 12153 // TODO: extend to measure size of split APKs 12154 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 12155 // not just the first level. 12156 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 12157 // just the primary. 12158 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 12159 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 12160 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 12161 if (res < 0) { 12162 return false; 12163 } 12164 12165 // Fix-up for forward-locked applications in ASEC containers. 12166 if (!isExternal(p)) { 12167 pStats.codeSize += pStats.externalCodeSize; 12168 pStats.externalCodeSize = 0L; 12169 } 12170 12171 return true; 12172 } 12173 12174 12175 @Override 12176 public void addPackageToPreferred(String packageName) { 12177 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 12178 } 12179 12180 @Override 12181 public void removePackageFromPreferred(String packageName) { 12182 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 12183 } 12184 12185 @Override 12186 public List<PackageInfo> getPreferredPackages(int flags) { 12187 return new ArrayList<PackageInfo>(); 12188 } 12189 12190 private int getUidTargetSdkVersionLockedLPr(int uid) { 12191 Object obj = mSettings.getUserIdLPr(uid); 12192 if (obj instanceof SharedUserSetting) { 12193 final SharedUserSetting sus = (SharedUserSetting) obj; 12194 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 12195 final Iterator<PackageSetting> it = sus.packages.iterator(); 12196 while (it.hasNext()) { 12197 final PackageSetting ps = it.next(); 12198 if (ps.pkg != null) { 12199 int v = ps.pkg.applicationInfo.targetSdkVersion; 12200 if (v < vers) vers = v; 12201 } 12202 } 12203 return vers; 12204 } else if (obj instanceof PackageSetting) { 12205 final PackageSetting ps = (PackageSetting) obj; 12206 if (ps.pkg != null) { 12207 return ps.pkg.applicationInfo.targetSdkVersion; 12208 } 12209 } 12210 return Build.VERSION_CODES.CUR_DEVELOPMENT; 12211 } 12212 12213 @Override 12214 public void addPreferredActivity(IntentFilter filter, int match, 12215 ComponentName[] set, ComponentName activity, int userId) { 12216 addPreferredActivityInternal(filter, match, set, activity, true, userId, 12217 "Adding preferred"); 12218 } 12219 12220 private void addPreferredActivityInternal(IntentFilter filter, int match, 12221 ComponentName[] set, ComponentName activity, boolean always, int userId, 12222 String opname) { 12223 // writer 12224 int callingUid = Binder.getCallingUid(); 12225 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 12226 if (filter.countActions() == 0) { 12227 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 12228 return; 12229 } 12230 synchronized (mPackages) { 12231 if (mContext.checkCallingOrSelfPermission( 12232 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 12233 != PackageManager.PERMISSION_GRANTED) { 12234 if (getUidTargetSdkVersionLockedLPr(callingUid) 12235 < Build.VERSION_CODES.FROYO) { 12236 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 12237 + callingUid); 12238 return; 12239 } 12240 mContext.enforceCallingOrSelfPermission( 12241 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12242 } 12243 12244 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 12245 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 12246 + userId + ":"); 12247 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 12248 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 12249 scheduleWritePackageRestrictionsLocked(userId); 12250 } 12251 } 12252 12253 @Override 12254 public void replacePreferredActivity(IntentFilter filter, int match, 12255 ComponentName[] set, ComponentName activity, int userId) { 12256 if (filter.countActions() != 1) { 12257 throw new IllegalArgumentException( 12258 "replacePreferredActivity expects filter to have only 1 action."); 12259 } 12260 if (filter.countDataAuthorities() != 0 12261 || filter.countDataPaths() != 0 12262 || filter.countDataSchemes() > 1 12263 || filter.countDataTypes() != 0) { 12264 throw new IllegalArgumentException( 12265 "replacePreferredActivity expects filter to have no data authorities, " + 12266 "paths, or types; and at most one scheme."); 12267 } 12268 12269 final int callingUid = Binder.getCallingUid(); 12270 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 12271 synchronized (mPackages) { 12272 if (mContext.checkCallingOrSelfPermission( 12273 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 12274 != PackageManager.PERMISSION_GRANTED) { 12275 if (getUidTargetSdkVersionLockedLPr(callingUid) 12276 < Build.VERSION_CODES.FROYO) { 12277 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 12278 + Binder.getCallingUid()); 12279 return; 12280 } 12281 mContext.enforceCallingOrSelfPermission( 12282 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12283 } 12284 12285 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 12286 if (pir != null) { 12287 // Get all of the existing entries that exactly match this filter. 12288 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 12289 if (existing != null && existing.size() == 1) { 12290 PreferredActivity cur = existing.get(0); 12291 if (DEBUG_PREFERRED) { 12292 Slog.i(TAG, "Checking replace of preferred:"); 12293 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 12294 if (!cur.mPref.mAlways) { 12295 Slog.i(TAG, " -- CUR; not mAlways!"); 12296 } else { 12297 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 12298 Slog.i(TAG, " -- CUR: mSet=" 12299 + Arrays.toString(cur.mPref.mSetComponents)); 12300 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 12301 Slog.i(TAG, " -- NEW: mMatch=" 12302 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 12303 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 12304 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 12305 } 12306 } 12307 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 12308 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 12309 && cur.mPref.sameSet(set)) { 12310 // Setting the preferred activity to what it happens to be already 12311 if (DEBUG_PREFERRED) { 12312 Slog.i(TAG, "Replacing with same preferred activity " 12313 + cur.mPref.mShortComponent + " for user " 12314 + userId + ":"); 12315 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 12316 } 12317 return; 12318 } 12319 } 12320 12321 if (existing != null) { 12322 if (DEBUG_PREFERRED) { 12323 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 12324 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 12325 } 12326 for (int i = 0; i < existing.size(); i++) { 12327 PreferredActivity pa = existing.get(i); 12328 if (DEBUG_PREFERRED) { 12329 Slog.i(TAG, "Removing existing preferred activity " 12330 + pa.mPref.mComponent + ":"); 12331 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 12332 } 12333 pir.removeFilter(pa); 12334 } 12335 } 12336 } 12337 addPreferredActivityInternal(filter, match, set, activity, true, userId, 12338 "Replacing preferred"); 12339 } 12340 } 12341 12342 @Override 12343 public void clearPackagePreferredActivities(String packageName) { 12344 final int uid = Binder.getCallingUid(); 12345 // writer 12346 synchronized (mPackages) { 12347 PackageParser.Package pkg = mPackages.get(packageName); 12348 if (pkg == null || pkg.applicationInfo.uid != uid) { 12349 if (mContext.checkCallingOrSelfPermission( 12350 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 12351 != PackageManager.PERMISSION_GRANTED) { 12352 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 12353 < Build.VERSION_CODES.FROYO) { 12354 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 12355 + Binder.getCallingUid()); 12356 return; 12357 } 12358 mContext.enforceCallingOrSelfPermission( 12359 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12360 } 12361 } 12362 12363 int user = UserHandle.getCallingUserId(); 12364 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 12365 scheduleWritePackageRestrictionsLocked(user); 12366 } 12367 } 12368 } 12369 12370 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 12371 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 12372 ArrayList<PreferredActivity> removed = null; 12373 boolean changed = false; 12374 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12375 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 12376 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12377 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 12378 continue; 12379 } 12380 Iterator<PreferredActivity> it = pir.filterIterator(); 12381 while (it.hasNext()) { 12382 PreferredActivity pa = it.next(); 12383 // Mark entry for removal only if it matches the package name 12384 // and the entry is of type "always". 12385 if (packageName == null || 12386 (pa.mPref.mComponent.getPackageName().equals(packageName) 12387 && pa.mPref.mAlways)) { 12388 if (removed == null) { 12389 removed = new ArrayList<PreferredActivity>(); 12390 } 12391 removed.add(pa); 12392 } 12393 } 12394 if (removed != null) { 12395 for (int j=0; j<removed.size(); j++) { 12396 PreferredActivity pa = removed.get(j); 12397 pir.removeFilter(pa); 12398 } 12399 changed = true; 12400 } 12401 } 12402 return changed; 12403 } 12404 12405 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 12406 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 12407 if (userId == UserHandle.USER_ALL) { 12408 mSettings.removeIntentFilterVerificationLPw(packageName, sUserManager.getUserIds()); 12409 for (int oneUserId : sUserManager.getUserIds()) { 12410 scheduleWritePackageRestrictionsLocked(oneUserId); 12411 } 12412 } else { 12413 mSettings.removeIntentFilterVerificationLPw(packageName, userId); 12414 scheduleWritePackageRestrictionsLocked(userId); 12415 } 12416 } 12417 12418 @Override 12419 public void resetPreferredActivities(int userId) { 12420 /* TODO: Actually use userId. Why is it being passed in? */ 12421 mContext.enforceCallingOrSelfPermission( 12422 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12423 // writer 12424 synchronized (mPackages) { 12425 int user = UserHandle.getCallingUserId(); 12426 clearPackagePreferredActivitiesLPw(null, user); 12427 mSettings.readDefaultPreferredAppsLPw(this, user); 12428 scheduleWritePackageRestrictionsLocked(user); 12429 } 12430 } 12431 12432 @Override 12433 public int getPreferredActivities(List<IntentFilter> outFilters, 12434 List<ComponentName> outActivities, String packageName) { 12435 12436 int num = 0; 12437 final int userId = UserHandle.getCallingUserId(); 12438 // reader 12439 synchronized (mPackages) { 12440 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 12441 if (pir != null) { 12442 final Iterator<PreferredActivity> it = pir.filterIterator(); 12443 while (it.hasNext()) { 12444 final PreferredActivity pa = it.next(); 12445 if (packageName == null 12446 || (pa.mPref.mComponent.getPackageName().equals(packageName) 12447 && pa.mPref.mAlways)) { 12448 if (outFilters != null) { 12449 outFilters.add(new IntentFilter(pa)); 12450 } 12451 if (outActivities != null) { 12452 outActivities.add(pa.mPref.mComponent); 12453 } 12454 } 12455 } 12456 } 12457 } 12458 12459 return num; 12460 } 12461 12462 @Override 12463 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 12464 int userId) { 12465 int callingUid = Binder.getCallingUid(); 12466 if (callingUid != Process.SYSTEM_UID) { 12467 throw new SecurityException( 12468 "addPersistentPreferredActivity can only be run by the system"); 12469 } 12470 if (filter.countActions() == 0) { 12471 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 12472 return; 12473 } 12474 synchronized (mPackages) { 12475 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 12476 " :"); 12477 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 12478 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 12479 new PersistentPreferredActivity(filter, activity)); 12480 scheduleWritePackageRestrictionsLocked(userId); 12481 } 12482 } 12483 12484 @Override 12485 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 12486 int callingUid = Binder.getCallingUid(); 12487 if (callingUid != Process.SYSTEM_UID) { 12488 throw new SecurityException( 12489 "clearPackagePersistentPreferredActivities can only be run by the system"); 12490 } 12491 ArrayList<PersistentPreferredActivity> removed = null; 12492 boolean changed = false; 12493 synchronized (mPackages) { 12494 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 12495 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 12496 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 12497 .valueAt(i); 12498 if (userId != thisUserId) { 12499 continue; 12500 } 12501 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 12502 while (it.hasNext()) { 12503 PersistentPreferredActivity ppa = it.next(); 12504 // Mark entry for removal only if it matches the package name. 12505 if (ppa.mComponent.getPackageName().equals(packageName)) { 12506 if (removed == null) { 12507 removed = new ArrayList<PersistentPreferredActivity>(); 12508 } 12509 removed.add(ppa); 12510 } 12511 } 12512 if (removed != null) { 12513 for (int j=0; j<removed.size(); j++) { 12514 PersistentPreferredActivity ppa = removed.get(j); 12515 ppir.removeFilter(ppa); 12516 } 12517 changed = true; 12518 } 12519 } 12520 12521 if (changed) { 12522 scheduleWritePackageRestrictionsLocked(userId); 12523 } 12524 } 12525 } 12526 12527 @Override 12528 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 12529 int sourceUserId, int targetUserId, int flags) { 12530 mContext.enforceCallingOrSelfPermission( 12531 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12532 int callingUid = Binder.getCallingUid(); 12533 enforceOwnerRights(ownerPackage, callingUid); 12534 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12535 if (intentFilter.countActions() == 0) { 12536 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 12537 return; 12538 } 12539 synchronized (mPackages) { 12540 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 12541 ownerPackage, targetUserId, flags); 12542 CrossProfileIntentResolver resolver = 12543 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12544 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 12545 // We have all those whose filter is equal. Now checking if the rest is equal as well. 12546 if (existing != null) { 12547 int size = existing.size(); 12548 for (int i = 0; i < size; i++) { 12549 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 12550 return; 12551 } 12552 } 12553 } 12554 resolver.addFilter(newFilter); 12555 scheduleWritePackageRestrictionsLocked(sourceUserId); 12556 } 12557 } 12558 12559 @Override 12560 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 12561 mContext.enforceCallingOrSelfPermission( 12562 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12563 int callingUid = Binder.getCallingUid(); 12564 enforceOwnerRights(ownerPackage, callingUid); 12565 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12566 synchronized (mPackages) { 12567 CrossProfileIntentResolver resolver = 12568 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12569 ArraySet<CrossProfileIntentFilter> set = 12570 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 12571 for (CrossProfileIntentFilter filter : set) { 12572 if (filter.getOwnerPackage().equals(ownerPackage)) { 12573 resolver.removeFilter(filter); 12574 } 12575 } 12576 scheduleWritePackageRestrictionsLocked(sourceUserId); 12577 } 12578 } 12579 12580 // Enforcing that callingUid is owning pkg on userId 12581 private void enforceOwnerRights(String pkg, int callingUid) { 12582 // The system owns everything. 12583 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 12584 return; 12585 } 12586 int callingUserId = UserHandle.getUserId(callingUid); 12587 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 12588 if (pi == null) { 12589 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 12590 + callingUserId); 12591 } 12592 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 12593 throw new SecurityException("Calling uid " + callingUid 12594 + " does not own package " + pkg); 12595 } 12596 } 12597 12598 @Override 12599 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 12600 Intent intent = new Intent(Intent.ACTION_MAIN); 12601 intent.addCategory(Intent.CATEGORY_HOME); 12602 12603 final int callingUserId = UserHandle.getCallingUserId(); 12604 List<ResolveInfo> list = queryIntentActivities(intent, null, 12605 PackageManager.GET_META_DATA, callingUserId); 12606 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 12607 true, false, false, callingUserId); 12608 12609 allHomeCandidates.clear(); 12610 if (list != null) { 12611 for (ResolveInfo ri : list) { 12612 allHomeCandidates.add(ri); 12613 } 12614 } 12615 return (preferred == null || preferred.activityInfo == null) 12616 ? null 12617 : new ComponentName(preferred.activityInfo.packageName, 12618 preferred.activityInfo.name); 12619 } 12620 12621 @Override 12622 public void setApplicationEnabledSetting(String appPackageName, 12623 int newState, int flags, int userId, String callingPackage) { 12624 if (!sUserManager.exists(userId)) return; 12625 if (callingPackage == null) { 12626 callingPackage = Integer.toString(Binder.getCallingUid()); 12627 } 12628 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 12629 } 12630 12631 @Override 12632 public void setComponentEnabledSetting(ComponentName componentName, 12633 int newState, int flags, int userId) { 12634 if (!sUserManager.exists(userId)) return; 12635 setEnabledSetting(componentName.getPackageName(), 12636 componentName.getClassName(), newState, flags, userId, null); 12637 } 12638 12639 private void setEnabledSetting(final String packageName, String className, int newState, 12640 final int flags, int userId, String callingPackage) { 12641 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 12642 || newState == COMPONENT_ENABLED_STATE_ENABLED 12643 || newState == COMPONENT_ENABLED_STATE_DISABLED 12644 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 12645 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 12646 throw new IllegalArgumentException("Invalid new component state: " 12647 + newState); 12648 } 12649 PackageSetting pkgSetting; 12650 final int uid = Binder.getCallingUid(); 12651 final int permission = mContext.checkCallingOrSelfPermission( 12652 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12653 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 12654 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12655 boolean sendNow = false; 12656 boolean isApp = (className == null); 12657 String componentName = isApp ? packageName : className; 12658 int packageUid = -1; 12659 ArrayList<String> components; 12660 12661 // writer 12662 synchronized (mPackages) { 12663 pkgSetting = mSettings.mPackages.get(packageName); 12664 if (pkgSetting == null) { 12665 if (className == null) { 12666 throw new IllegalArgumentException( 12667 "Unknown package: " + packageName); 12668 } 12669 throw new IllegalArgumentException( 12670 "Unknown component: " + packageName 12671 + "/" + className); 12672 } 12673 // Allow root and verify that userId is not being specified by a different user 12674 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 12675 throw new SecurityException( 12676 "Permission Denial: attempt to change component state from pid=" 12677 + Binder.getCallingPid() 12678 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 12679 } 12680 if (className == null) { 12681 // We're dealing with an application/package level state change 12682 if (pkgSetting.getEnabled(userId) == newState) { 12683 // Nothing to do 12684 return; 12685 } 12686 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 12687 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 12688 // Don't care about who enables an app. 12689 callingPackage = null; 12690 } 12691 pkgSetting.setEnabled(newState, userId, callingPackage); 12692 // pkgSetting.pkg.mSetEnabled = newState; 12693 } else { 12694 // We're dealing with a component level state change 12695 // First, verify that this is a valid class name. 12696 PackageParser.Package pkg = pkgSetting.pkg; 12697 if (pkg == null || !pkg.hasComponentClassName(className)) { 12698 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 12699 throw new IllegalArgumentException("Component class " + className 12700 + " does not exist in " + packageName); 12701 } else { 12702 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 12703 + className + " does not exist in " + packageName); 12704 } 12705 } 12706 switch (newState) { 12707 case COMPONENT_ENABLED_STATE_ENABLED: 12708 if (!pkgSetting.enableComponentLPw(className, userId)) { 12709 return; 12710 } 12711 break; 12712 case COMPONENT_ENABLED_STATE_DISABLED: 12713 if (!pkgSetting.disableComponentLPw(className, userId)) { 12714 return; 12715 } 12716 break; 12717 case COMPONENT_ENABLED_STATE_DEFAULT: 12718 if (!pkgSetting.restoreComponentLPw(className, userId)) { 12719 return; 12720 } 12721 break; 12722 default: 12723 Slog.e(TAG, "Invalid new component state: " + newState); 12724 return; 12725 } 12726 } 12727 scheduleWritePackageRestrictionsLocked(userId); 12728 components = mPendingBroadcasts.get(userId, packageName); 12729 final boolean newPackage = components == null; 12730 if (newPackage) { 12731 components = new ArrayList<String>(); 12732 } 12733 if (!components.contains(componentName)) { 12734 components.add(componentName); 12735 } 12736 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12737 sendNow = true; 12738 // Purge entry from pending broadcast list if another one exists already 12739 // since we are sending one right away. 12740 mPendingBroadcasts.remove(userId, packageName); 12741 } else { 12742 if (newPackage) { 12743 mPendingBroadcasts.put(userId, packageName, components); 12744 } 12745 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12746 // Schedule a message 12747 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12748 } 12749 } 12750 } 12751 12752 long callingId = Binder.clearCallingIdentity(); 12753 try { 12754 if (sendNow) { 12755 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12756 sendPackageChangedBroadcast(packageName, 12757 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12758 } 12759 } finally { 12760 Binder.restoreCallingIdentity(callingId); 12761 } 12762 } 12763 12764 private void sendPackageChangedBroadcast(String packageName, 12765 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12766 if (DEBUG_INSTALL) 12767 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12768 + componentNames); 12769 Bundle extras = new Bundle(4); 12770 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12771 String nameList[] = new String[componentNames.size()]; 12772 componentNames.toArray(nameList); 12773 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12774 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12775 extras.putInt(Intent.EXTRA_UID, packageUid); 12776 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12777 new int[] {UserHandle.getUserId(packageUid)}); 12778 } 12779 12780 @Override 12781 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12782 if (!sUserManager.exists(userId)) return; 12783 final int uid = Binder.getCallingUid(); 12784 final int permission = mContext.checkCallingOrSelfPermission( 12785 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12786 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12787 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12788 // writer 12789 synchronized (mPackages) { 12790 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12791 uid, userId)) { 12792 scheduleWritePackageRestrictionsLocked(userId); 12793 } 12794 } 12795 } 12796 12797 @Override 12798 public String getInstallerPackageName(String packageName) { 12799 // reader 12800 synchronized (mPackages) { 12801 return mSettings.getInstallerPackageNameLPr(packageName); 12802 } 12803 } 12804 12805 @Override 12806 public int getApplicationEnabledSetting(String packageName, int userId) { 12807 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12808 int uid = Binder.getCallingUid(); 12809 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12810 // reader 12811 synchronized (mPackages) { 12812 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12813 } 12814 } 12815 12816 @Override 12817 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12818 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12819 int uid = Binder.getCallingUid(); 12820 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12821 // reader 12822 synchronized (mPackages) { 12823 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12824 } 12825 } 12826 12827 @Override 12828 public void enterSafeMode() { 12829 enforceSystemOrRoot("Only the system can request entering safe mode"); 12830 12831 if (!mSystemReady) { 12832 mSafeMode = true; 12833 } 12834 } 12835 12836 @Override 12837 public void systemReady() { 12838 mSystemReady = true; 12839 12840 // Read the compatibilty setting when the system is ready. 12841 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12842 mContext.getContentResolver(), 12843 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12844 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12845 if (DEBUG_SETTINGS) { 12846 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12847 } 12848 12849 synchronized (mPackages) { 12850 // Verify that all of the preferred activity components actually 12851 // exist. It is possible for applications to be updated and at 12852 // that point remove a previously declared activity component that 12853 // had been set as a preferred activity. We try to clean this up 12854 // the next time we encounter that preferred activity, but it is 12855 // possible for the user flow to never be able to return to that 12856 // situation so here we do a sanity check to make sure we haven't 12857 // left any junk around. 12858 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12859 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12860 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12861 removed.clear(); 12862 for (PreferredActivity pa : pir.filterSet()) { 12863 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12864 removed.add(pa); 12865 } 12866 } 12867 if (removed.size() > 0) { 12868 for (int r=0; r<removed.size(); r++) { 12869 PreferredActivity pa = removed.get(r); 12870 Slog.w(TAG, "Removing dangling preferred activity: " 12871 + pa.mPref.mComponent); 12872 pir.removeFilter(pa); 12873 } 12874 mSettings.writePackageRestrictionsLPr( 12875 mSettings.mPreferredActivities.keyAt(i)); 12876 } 12877 } 12878 } 12879 sUserManager.systemReady(); 12880 12881 // Kick off any messages waiting for system ready 12882 if (mPostSystemReadyMessages != null) { 12883 for (Message msg : mPostSystemReadyMessages) { 12884 msg.sendToTarget(); 12885 } 12886 mPostSystemReadyMessages = null; 12887 } 12888 12889 // Watch for external volumes that come and go over time 12890 final StorageManager storage = mContext.getSystemService(StorageManager.class); 12891 storage.registerListener(mStorageListener); 12892 } 12893 12894 @Override 12895 public boolean isSafeMode() { 12896 return mSafeMode; 12897 } 12898 12899 @Override 12900 public boolean hasSystemUidErrors() { 12901 return mHasSystemUidErrors; 12902 } 12903 12904 static String arrayToString(int[] array) { 12905 StringBuffer buf = new StringBuffer(128); 12906 buf.append('['); 12907 if (array != null) { 12908 for (int i=0; i<array.length; i++) { 12909 if (i > 0) buf.append(", "); 12910 buf.append(array[i]); 12911 } 12912 } 12913 buf.append(']'); 12914 return buf.toString(); 12915 } 12916 12917 static class DumpState { 12918 public static final int DUMP_LIBS = 1 << 0; 12919 public static final int DUMP_FEATURES = 1 << 1; 12920 public static final int DUMP_RESOLVERS = 1 << 2; 12921 public static final int DUMP_PERMISSIONS = 1 << 3; 12922 public static final int DUMP_PACKAGES = 1 << 4; 12923 public static final int DUMP_SHARED_USERS = 1 << 5; 12924 public static final int DUMP_MESSAGES = 1 << 6; 12925 public static final int DUMP_PROVIDERS = 1 << 7; 12926 public static final int DUMP_VERIFIERS = 1 << 8; 12927 public static final int DUMP_PREFERRED = 1 << 9; 12928 public static final int DUMP_PREFERRED_XML = 1 << 10; 12929 public static final int DUMP_KEYSETS = 1 << 11; 12930 public static final int DUMP_VERSION = 1 << 12; 12931 public static final int DUMP_INSTALLS = 1 << 13; 12932 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 12933 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 12934 12935 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12936 12937 private int mTypes; 12938 12939 private int mOptions; 12940 12941 private boolean mTitlePrinted; 12942 12943 private SharedUserSetting mSharedUser; 12944 12945 public boolean isDumping(int type) { 12946 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12947 return true; 12948 } 12949 12950 return (mTypes & type) != 0; 12951 } 12952 12953 public void setDump(int type) { 12954 mTypes |= type; 12955 } 12956 12957 public boolean isOptionEnabled(int option) { 12958 return (mOptions & option) != 0; 12959 } 12960 12961 public void setOptionEnabled(int option) { 12962 mOptions |= option; 12963 } 12964 12965 public boolean onTitlePrinted() { 12966 final boolean printed = mTitlePrinted; 12967 mTitlePrinted = true; 12968 return printed; 12969 } 12970 12971 public boolean getTitlePrinted() { 12972 return mTitlePrinted; 12973 } 12974 12975 public void setTitlePrinted(boolean enabled) { 12976 mTitlePrinted = enabled; 12977 } 12978 12979 public SharedUserSetting getSharedUser() { 12980 return mSharedUser; 12981 } 12982 12983 public void setSharedUser(SharedUserSetting user) { 12984 mSharedUser = user; 12985 } 12986 } 12987 12988 @Override 12989 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12990 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12991 != PackageManager.PERMISSION_GRANTED) { 12992 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12993 + Binder.getCallingPid() 12994 + ", uid=" + Binder.getCallingUid() 12995 + " without permission " 12996 + android.Manifest.permission.DUMP); 12997 return; 12998 } 12999 13000 DumpState dumpState = new DumpState(); 13001 boolean fullPreferred = false; 13002 boolean checkin = false; 13003 13004 String packageName = null; 13005 13006 int opti = 0; 13007 while (opti < args.length) { 13008 String opt = args[opti]; 13009 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 13010 break; 13011 } 13012 opti++; 13013 13014 if ("-a".equals(opt)) { 13015 // Right now we only know how to print all. 13016 } else if ("-h".equals(opt)) { 13017 pw.println("Package manager dump options:"); 13018 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 13019 pw.println(" --checkin: dump for a checkin"); 13020 pw.println(" -f: print details of intent filters"); 13021 pw.println(" -h: print this help"); 13022 pw.println(" cmd may be one of:"); 13023 pw.println(" l[ibraries]: list known shared libraries"); 13024 pw.println(" f[ibraries]: list device features"); 13025 pw.println(" k[eysets]: print known keysets"); 13026 pw.println(" r[esolvers]: dump intent resolvers"); 13027 pw.println(" perm[issions]: dump permissions"); 13028 pw.println(" pref[erred]: print preferred package settings"); 13029 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 13030 pw.println(" prov[iders]: dump content providers"); 13031 pw.println(" p[ackages]: dump installed packages"); 13032 pw.println(" s[hared-users]: dump shared user IDs"); 13033 pw.println(" m[essages]: print collected runtime messages"); 13034 pw.println(" v[erifiers]: print package verifier info"); 13035 pw.println(" version: print database version info"); 13036 pw.println(" write: write current settings now"); 13037 pw.println(" <package.name>: info about given package"); 13038 pw.println(" installs: details about install sessions"); 13039 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 13040 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 13041 return; 13042 } else if ("--checkin".equals(opt)) { 13043 checkin = true; 13044 } else if ("-f".equals(opt)) { 13045 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 13046 } else { 13047 pw.println("Unknown argument: " + opt + "; use -h for help"); 13048 } 13049 } 13050 13051 // Is the caller requesting to dump a particular piece of data? 13052 if (opti < args.length) { 13053 String cmd = args[opti]; 13054 opti++; 13055 // Is this a package name? 13056 if ("android".equals(cmd) || cmd.contains(".")) { 13057 packageName = cmd; 13058 // When dumping a single package, we always dump all of its 13059 // filter information since the amount of data will be reasonable. 13060 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 13061 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 13062 dumpState.setDump(DumpState.DUMP_LIBS); 13063 } else if ("f".equals(cmd) || "features".equals(cmd)) { 13064 dumpState.setDump(DumpState.DUMP_FEATURES); 13065 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 13066 dumpState.setDump(DumpState.DUMP_RESOLVERS); 13067 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 13068 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 13069 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 13070 dumpState.setDump(DumpState.DUMP_PREFERRED); 13071 } else if ("preferred-xml".equals(cmd)) { 13072 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 13073 if (opti < args.length && "--full".equals(args[opti])) { 13074 fullPreferred = true; 13075 opti++; 13076 } 13077 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 13078 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 13079 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 13080 dumpState.setDump(DumpState.DUMP_PACKAGES); 13081 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 13082 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 13083 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 13084 dumpState.setDump(DumpState.DUMP_PROVIDERS); 13085 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 13086 dumpState.setDump(DumpState.DUMP_MESSAGES); 13087 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 13088 dumpState.setDump(DumpState.DUMP_VERIFIERS); 13089 } else if ("i".equals(cmd) || "ifv".equals(cmd) 13090 || "intent-filter-verifiers".equals(cmd)) { 13091 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 13092 } else if ("version".equals(cmd)) { 13093 dumpState.setDump(DumpState.DUMP_VERSION); 13094 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 13095 dumpState.setDump(DumpState.DUMP_KEYSETS); 13096 } else if ("installs".equals(cmd)) { 13097 dumpState.setDump(DumpState.DUMP_INSTALLS); 13098 } else if ("write".equals(cmd)) { 13099 synchronized (mPackages) { 13100 mSettings.writeLPr(); 13101 pw.println("Settings written."); 13102 return; 13103 } 13104 } 13105 } 13106 13107 if (checkin) { 13108 pw.println("vers,1"); 13109 } 13110 13111 // reader 13112 synchronized (mPackages) { 13113 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 13114 if (!checkin) { 13115 if (dumpState.onTitlePrinted()) 13116 pw.println(); 13117 pw.println("Database versions:"); 13118 pw.print(" SDK Version:"); 13119 pw.print(" internal="); 13120 pw.print(mSettings.mInternalSdkPlatform); 13121 pw.print(" external="); 13122 pw.println(mSettings.mExternalSdkPlatform); 13123 pw.print(" DB Version:"); 13124 pw.print(" internal="); 13125 pw.print(mSettings.mInternalDatabaseVersion); 13126 pw.print(" external="); 13127 pw.println(mSettings.mExternalDatabaseVersion); 13128 } 13129 } 13130 13131 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 13132 if (!checkin) { 13133 if (dumpState.onTitlePrinted()) 13134 pw.println(); 13135 pw.println("Verifiers:"); 13136 pw.print(" Required: "); 13137 pw.print(mRequiredVerifierPackage); 13138 pw.print(" (uid="); 13139 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 13140 pw.println(")"); 13141 } else if (mRequiredVerifierPackage != null) { 13142 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 13143 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 13144 } 13145 } 13146 13147 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 13148 packageName == null) { 13149 if (mIntentFilterVerifierComponent != null) { 13150 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 13151 if (!checkin) { 13152 if (dumpState.onTitlePrinted()) 13153 pw.println(); 13154 pw.println("Intent Filter Verifier:"); 13155 pw.print(" Using: "); 13156 pw.print(verifierPackageName); 13157 pw.print(" (uid="); 13158 pw.print(getPackageUid(verifierPackageName, 0)); 13159 pw.println(")"); 13160 } else if (verifierPackageName != null) { 13161 pw.print("ifv,"); pw.print(verifierPackageName); 13162 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 13163 } 13164 } else { 13165 pw.println(); 13166 pw.println("No Intent Filter Verifier available!"); 13167 } 13168 } 13169 13170 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 13171 boolean printedHeader = false; 13172 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 13173 while (it.hasNext()) { 13174 String name = it.next(); 13175 SharedLibraryEntry ent = mSharedLibraries.get(name); 13176 if (!checkin) { 13177 if (!printedHeader) { 13178 if (dumpState.onTitlePrinted()) 13179 pw.println(); 13180 pw.println("Libraries:"); 13181 printedHeader = true; 13182 } 13183 pw.print(" "); 13184 } else { 13185 pw.print("lib,"); 13186 } 13187 pw.print(name); 13188 if (!checkin) { 13189 pw.print(" -> "); 13190 } 13191 if (ent.path != null) { 13192 if (!checkin) { 13193 pw.print("(jar) "); 13194 pw.print(ent.path); 13195 } else { 13196 pw.print(",jar,"); 13197 pw.print(ent.path); 13198 } 13199 } else { 13200 if (!checkin) { 13201 pw.print("(apk) "); 13202 pw.print(ent.apk); 13203 } else { 13204 pw.print(",apk,"); 13205 pw.print(ent.apk); 13206 } 13207 } 13208 pw.println(); 13209 } 13210 } 13211 13212 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 13213 if (dumpState.onTitlePrinted()) 13214 pw.println(); 13215 if (!checkin) { 13216 pw.println("Features:"); 13217 } 13218 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 13219 while (it.hasNext()) { 13220 String name = it.next(); 13221 if (!checkin) { 13222 pw.print(" "); 13223 } else { 13224 pw.print("feat,"); 13225 } 13226 pw.println(name); 13227 } 13228 } 13229 13230 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 13231 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 13232 : "Activity Resolver Table:", " ", packageName, 13233 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 13234 dumpState.setTitlePrinted(true); 13235 } 13236 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 13237 : "Receiver Resolver Table:", " ", packageName, 13238 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 13239 dumpState.setTitlePrinted(true); 13240 } 13241 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 13242 : "Service Resolver Table:", " ", packageName, 13243 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 13244 dumpState.setTitlePrinted(true); 13245 } 13246 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 13247 : "Provider Resolver Table:", " ", packageName, 13248 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 13249 dumpState.setTitlePrinted(true); 13250 } 13251 } 13252 13253 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 13254 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13255 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13256 int user = mSettings.mPreferredActivities.keyAt(i); 13257 if (pir.dump(pw, 13258 dumpState.getTitlePrinted() 13259 ? "\nPreferred Activities User " + user + ":" 13260 : "Preferred Activities User " + user + ":", " ", 13261 packageName, true, false)) { 13262 dumpState.setTitlePrinted(true); 13263 } 13264 } 13265 } 13266 13267 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 13268 pw.flush(); 13269 FileOutputStream fout = new FileOutputStream(fd); 13270 BufferedOutputStream str = new BufferedOutputStream(fout); 13271 XmlSerializer serializer = new FastXmlSerializer(); 13272 try { 13273 serializer.setOutput(str, "utf-8"); 13274 serializer.startDocument(null, true); 13275 serializer.setFeature( 13276 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 13277 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 13278 serializer.endDocument(); 13279 serializer.flush(); 13280 } catch (IllegalArgumentException e) { 13281 pw.println("Failed writing: " + e); 13282 } catch (IllegalStateException e) { 13283 pw.println("Failed writing: " + e); 13284 } catch (IOException e) { 13285 pw.println("Failed writing: " + e); 13286 } 13287 } 13288 13289 if (!checkin && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED)) { 13290 pw.println(); 13291 int count = mSettings.mPackages.size(); 13292 if (count == 0) { 13293 pw.println("No domain preferred apps!"); 13294 pw.println(); 13295 } else { 13296 final String prefix = " "; 13297 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 13298 if (allPackageSettings.size() == 0) { 13299 pw.println("No domain preferred apps!"); 13300 pw.println(); 13301 } else { 13302 pw.println("Domain preferred apps status:"); 13303 pw.println(); 13304 count = 0; 13305 for (PackageSetting ps : allPackageSettings) { 13306 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 13307 if (ivi == null || ivi.getPackageName() == null) continue; 13308 pw.println(prefix + "Package Name: " + ivi.getPackageName()); 13309 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 13310 pw.println(prefix + "Status: " + ivi.getStatusString()); 13311 pw.println(); 13312 count++; 13313 } 13314 if (count == 0) { 13315 pw.println(prefix + "No domain preferred app status!"); 13316 pw.println(); 13317 } 13318 for (int userId : sUserManager.getUserIds()) { 13319 pw.println("Domain preferred apps for User " + userId + ":"); 13320 pw.println(); 13321 count = 0; 13322 for (PackageSetting ps : allPackageSettings) { 13323 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 13324 if (ivi == null || ivi.getPackageName() == null) { 13325 continue; 13326 } 13327 final int status = ps.getDomainVerificationStatusForUser(userId); 13328 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 13329 continue; 13330 } 13331 pw.println(prefix + "Package Name: " + ivi.getPackageName()); 13332 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 13333 String statusStr = IntentFilterVerificationInfo. 13334 getStatusStringFromValue(status); 13335 pw.println(prefix + "Status: " + statusStr); 13336 pw.println(); 13337 count++; 13338 } 13339 if (count == 0) { 13340 pw.println(prefix + "No domain preferred apps!"); 13341 pw.println(); 13342 } 13343 } 13344 } 13345 } 13346 } 13347 13348 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 13349 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 13350 if (packageName == null) { 13351 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 13352 if (iperm == 0) { 13353 if (dumpState.onTitlePrinted()) 13354 pw.println(); 13355 pw.println("AppOp Permissions:"); 13356 } 13357 pw.print(" AppOp Permission "); 13358 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 13359 pw.println(":"); 13360 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 13361 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 13362 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 13363 } 13364 } 13365 } 13366 } 13367 13368 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 13369 boolean printedSomething = false; 13370 for (PackageParser.Provider p : mProviders.mProviders.values()) { 13371 if (packageName != null && !packageName.equals(p.info.packageName)) { 13372 continue; 13373 } 13374 if (!printedSomething) { 13375 if (dumpState.onTitlePrinted()) 13376 pw.println(); 13377 pw.println("Registered ContentProviders:"); 13378 printedSomething = true; 13379 } 13380 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 13381 pw.print(" "); pw.println(p.toString()); 13382 } 13383 printedSomething = false; 13384 for (Map.Entry<String, PackageParser.Provider> entry : 13385 mProvidersByAuthority.entrySet()) { 13386 PackageParser.Provider p = entry.getValue(); 13387 if (packageName != null && !packageName.equals(p.info.packageName)) { 13388 continue; 13389 } 13390 if (!printedSomething) { 13391 if (dumpState.onTitlePrinted()) 13392 pw.println(); 13393 pw.println("ContentProvider Authorities:"); 13394 printedSomething = true; 13395 } 13396 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 13397 pw.print(" "); pw.println(p.toString()); 13398 if (p.info != null && p.info.applicationInfo != null) { 13399 final String appInfo = p.info.applicationInfo.toString(); 13400 pw.print(" applicationInfo="); pw.println(appInfo); 13401 } 13402 } 13403 } 13404 13405 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 13406 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 13407 } 13408 13409 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 13410 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 13411 } 13412 13413 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 13414 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 13415 } 13416 13417 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 13418 // XXX should handle packageName != null by dumping only install data that 13419 // the given package is involved with. 13420 if (dumpState.onTitlePrinted()) pw.println(); 13421 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 13422 } 13423 13424 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 13425 if (dumpState.onTitlePrinted()) pw.println(); 13426 mSettings.dumpReadMessagesLPr(pw, dumpState); 13427 13428 pw.println(); 13429 pw.println("Package warning messages:"); 13430 BufferedReader in = null; 13431 String line = null; 13432 try { 13433 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 13434 while ((line = in.readLine()) != null) { 13435 if (line.contains("ignored: updated version")) continue; 13436 pw.println(line); 13437 } 13438 } catch (IOException ignored) { 13439 } finally { 13440 IoUtils.closeQuietly(in); 13441 } 13442 } 13443 13444 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 13445 BufferedReader in = null; 13446 String line = null; 13447 try { 13448 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 13449 while ((line = in.readLine()) != null) { 13450 if (line.contains("ignored: updated version")) continue; 13451 pw.print("msg,"); 13452 pw.println(line); 13453 } 13454 } catch (IOException ignored) { 13455 } finally { 13456 IoUtils.closeQuietly(in); 13457 } 13458 } 13459 } 13460 } 13461 13462 // ------- apps on sdcard specific code ------- 13463 static final boolean DEBUG_SD_INSTALL = false; 13464 13465 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 13466 13467 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 13468 13469 private boolean mMediaMounted = false; 13470 13471 static String getEncryptKey() { 13472 try { 13473 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 13474 SD_ENCRYPTION_KEYSTORE_NAME); 13475 if (sdEncKey == null) { 13476 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 13477 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 13478 if (sdEncKey == null) { 13479 Slog.e(TAG, "Failed to create encryption keys"); 13480 return null; 13481 } 13482 } 13483 return sdEncKey; 13484 } catch (NoSuchAlgorithmException nsae) { 13485 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 13486 return null; 13487 } catch (IOException ioe) { 13488 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 13489 return null; 13490 } 13491 } 13492 13493 /* 13494 * Update media status on PackageManager. 13495 */ 13496 @Override 13497 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 13498 int callingUid = Binder.getCallingUid(); 13499 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 13500 throw new SecurityException("Media status can only be updated by the system"); 13501 } 13502 // reader; this apparently protects mMediaMounted, but should probably 13503 // be a different lock in that case. 13504 synchronized (mPackages) { 13505 Log.i(TAG, "Updating external media status from " 13506 + (mMediaMounted ? "mounted" : "unmounted") + " to " 13507 + (mediaStatus ? "mounted" : "unmounted")); 13508 if (DEBUG_SD_INSTALL) 13509 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 13510 + ", mMediaMounted=" + mMediaMounted); 13511 if (mediaStatus == mMediaMounted) { 13512 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 13513 : 0, -1); 13514 mHandler.sendMessage(msg); 13515 return; 13516 } 13517 mMediaMounted = mediaStatus; 13518 } 13519 // Queue up an async operation since the package installation may take a 13520 // little while. 13521 mHandler.post(new Runnable() { 13522 public void run() { 13523 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 13524 } 13525 }); 13526 } 13527 13528 /** 13529 * Called by MountService when the initial ASECs to scan are available. 13530 * Should block until all the ASEC containers are finished being scanned. 13531 */ 13532 public void scanAvailableAsecs() { 13533 updateExternalMediaStatusInner(true, false, false); 13534 if (mShouldRestoreconData) { 13535 SELinuxMMAC.setRestoreconDone(); 13536 mShouldRestoreconData = false; 13537 } 13538 } 13539 13540 /* 13541 * Collect information of applications on external media, map them against 13542 * existing containers and update information based on current mount status. 13543 * Please note that we always have to report status if reportStatus has been 13544 * set to true especially when unloading packages. 13545 */ 13546 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 13547 boolean externalStorage) { 13548 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 13549 int[] uidArr = EmptyArray.INT; 13550 13551 final String[] list = PackageHelper.getSecureContainerList(); 13552 if (ArrayUtils.isEmpty(list)) { 13553 Log.i(TAG, "No secure containers found"); 13554 } else { 13555 // Process list of secure containers and categorize them 13556 // as active or stale based on their package internal state. 13557 13558 // reader 13559 synchronized (mPackages) { 13560 for (String cid : list) { 13561 // Leave stages untouched for now; installer service owns them 13562 if (PackageInstallerService.isStageName(cid)) continue; 13563 13564 if (DEBUG_SD_INSTALL) 13565 Log.i(TAG, "Processing container " + cid); 13566 String pkgName = getAsecPackageName(cid); 13567 if (pkgName == null) { 13568 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 13569 continue; 13570 } 13571 if (DEBUG_SD_INSTALL) 13572 Log.i(TAG, "Looking for pkg : " + pkgName); 13573 13574 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13575 if (ps == null) { 13576 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 13577 continue; 13578 } 13579 13580 /* 13581 * Skip packages that are not external if we're unmounting 13582 * external storage. 13583 */ 13584 if (externalStorage && !isMounted && !isExternal(ps)) { 13585 continue; 13586 } 13587 13588 final AsecInstallArgs args = new AsecInstallArgs(cid, 13589 getAppDexInstructionSets(ps), ps.isForwardLocked()); 13590 // The package status is changed only if the code path 13591 // matches between settings and the container id. 13592 if (ps.codePathString != null 13593 && ps.codePathString.startsWith(args.getCodePath())) { 13594 if (DEBUG_SD_INSTALL) { 13595 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 13596 + " at code path: " + ps.codePathString); 13597 } 13598 13599 // We do have a valid package installed on sdcard 13600 processCids.put(args, ps.codePathString); 13601 final int uid = ps.appId; 13602 if (uid != -1) { 13603 uidArr = ArrayUtils.appendInt(uidArr, uid); 13604 } 13605 } else { 13606 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 13607 + ps.codePathString); 13608 } 13609 } 13610 } 13611 13612 Arrays.sort(uidArr); 13613 } 13614 13615 // Process packages with valid entries. 13616 if (isMounted) { 13617 if (DEBUG_SD_INSTALL) 13618 Log.i(TAG, "Loading packages"); 13619 loadMediaPackages(processCids, uidArr); 13620 startCleaningPackages(); 13621 mInstallerService.onSecureContainersAvailable(); 13622 } else { 13623 if (DEBUG_SD_INSTALL) 13624 Log.i(TAG, "Unloading packages"); 13625 unloadMediaPackages(processCids, uidArr, reportStatus); 13626 } 13627 } 13628 13629 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 13630 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 13631 int size = pkgList.size(); 13632 if (size > 0) { 13633 // Send broadcasts here 13634 Bundle extras = new Bundle(); 13635 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 13636 .toArray(new String[size])); 13637 if (uidArr != null) { 13638 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 13639 } 13640 if (replacing) { 13641 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 13642 } 13643 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 13644 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 13645 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 13646 } 13647 } 13648 13649 /* 13650 * Look at potentially valid container ids from processCids If package 13651 * information doesn't match the one on record or package scanning fails, 13652 * the cid is added to list of removeCids. We currently don't delete stale 13653 * containers. 13654 */ 13655 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 13656 ArrayList<String> pkgList = new ArrayList<String>(); 13657 Set<AsecInstallArgs> keys = processCids.keySet(); 13658 13659 for (AsecInstallArgs args : keys) { 13660 String codePath = processCids.get(args); 13661 if (DEBUG_SD_INSTALL) 13662 Log.i(TAG, "Loading container : " + args.cid); 13663 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13664 try { 13665 // Make sure there are no container errors first. 13666 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 13667 Slog.e(TAG, "Failed to mount cid : " + args.cid 13668 + " when installing from sdcard"); 13669 continue; 13670 } 13671 // Check code path here. 13672 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 13673 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 13674 + " does not match one in settings " + codePath); 13675 continue; 13676 } 13677 // Parse package 13678 int parseFlags = mDefParseFlags; 13679 if (args.isExternal()) { 13680 parseFlags |= PackageParser.PARSE_ON_SDCARD; 13681 } 13682 if (args.isFwdLocked()) { 13683 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 13684 } 13685 13686 synchronized (mInstallLock) { 13687 PackageParser.Package pkg = null; 13688 try { 13689 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 13690 } catch (PackageManagerException e) { 13691 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 13692 } 13693 // Scan the package 13694 if (pkg != null) { 13695 /* 13696 * TODO why is the lock being held? doPostInstall is 13697 * called in other places without the lock. This needs 13698 * to be straightened out. 13699 */ 13700 // writer 13701 synchronized (mPackages) { 13702 retCode = PackageManager.INSTALL_SUCCEEDED; 13703 pkgList.add(pkg.packageName); 13704 // Post process args 13705 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 13706 pkg.applicationInfo.uid); 13707 } 13708 } else { 13709 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 13710 } 13711 } 13712 13713 } finally { 13714 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 13715 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 13716 } 13717 } 13718 } 13719 // writer 13720 synchronized (mPackages) { 13721 // If the platform SDK has changed since the last time we booted, 13722 // we need to re-grant app permission to catch any new ones that 13723 // appear. This is really a hack, and means that apps can in some 13724 // cases get permissions that the user didn't initially explicitly 13725 // allow... it would be nice to have some better way to handle 13726 // this situation. 13727 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 13728 if (regrantPermissions) 13729 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 13730 + mSdkVersion + "; regranting permissions for external storage"); 13731 mSettings.mExternalSdkPlatform = mSdkVersion; 13732 13733 // Make sure group IDs have been assigned, and any permission 13734 // changes in other apps are accounted for 13735 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 13736 | (regrantPermissions 13737 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 13738 : 0)); 13739 13740 mSettings.updateExternalDatabaseVersion(); 13741 13742 // can downgrade to reader 13743 // Persist settings 13744 mSettings.writeLPr(); 13745 } 13746 // Send a broadcast to let everyone know we are done processing 13747 if (pkgList.size() > 0) { 13748 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13749 } 13750 } 13751 13752 /* 13753 * Utility method to unload a list of specified containers 13754 */ 13755 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 13756 // Just unmount all valid containers. 13757 for (AsecInstallArgs arg : cidArgs) { 13758 synchronized (mInstallLock) { 13759 arg.doPostDeleteLI(false); 13760 } 13761 } 13762 } 13763 13764 /* 13765 * Unload packages mounted on external media. This involves deleting package 13766 * data from internal structures, sending broadcasts about diabled packages, 13767 * gc'ing to free up references, unmounting all secure containers 13768 * corresponding to packages on external media, and posting a 13769 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 13770 * that we always have to post this message if status has been requested no 13771 * matter what. 13772 */ 13773 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 13774 final boolean reportStatus) { 13775 if (DEBUG_SD_INSTALL) 13776 Log.i(TAG, "unloading media packages"); 13777 ArrayList<String> pkgList = new ArrayList<String>(); 13778 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 13779 final Set<AsecInstallArgs> keys = processCids.keySet(); 13780 for (AsecInstallArgs args : keys) { 13781 String pkgName = args.getPackageName(); 13782 if (DEBUG_SD_INSTALL) 13783 Log.i(TAG, "Trying to unload pkg : " + pkgName); 13784 // Delete package internally 13785 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 13786 synchronized (mInstallLock) { 13787 boolean res = deletePackageLI(pkgName, null, false, null, null, 13788 PackageManager.DELETE_KEEP_DATA, outInfo, false); 13789 if (res) { 13790 pkgList.add(pkgName); 13791 } else { 13792 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 13793 failedList.add(args); 13794 } 13795 } 13796 } 13797 13798 // reader 13799 synchronized (mPackages) { 13800 // We didn't update the settings after removing each package; 13801 // write them now for all packages. 13802 mSettings.writeLPr(); 13803 } 13804 13805 // We have to absolutely send UPDATED_MEDIA_STATUS only 13806 // after confirming that all the receivers processed the ordered 13807 // broadcast when packages get disabled, force a gc to clean things up. 13808 // and unload all the containers. 13809 if (pkgList.size() > 0) { 13810 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 13811 new IIntentReceiver.Stub() { 13812 public void performReceive(Intent intent, int resultCode, String data, 13813 Bundle extras, boolean ordered, boolean sticky, 13814 int sendingUser) throws RemoteException { 13815 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13816 reportStatus ? 1 : 0, 1, keys); 13817 mHandler.sendMessage(msg); 13818 } 13819 }); 13820 } else { 13821 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13822 keys); 13823 mHandler.sendMessage(msg); 13824 } 13825 } 13826 13827 /** Binder call */ 13828 @Override 13829 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13830 final int flags) { 13831 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13832 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13833 int returnCode = PackageManager.MOVE_SUCCEEDED; 13834 int currInstallFlags = 0; 13835 int newInstallFlags = 0; 13836 13837 File codeFile = null; 13838 String installerPackageName = null; 13839 String packageAbiOverride = null; 13840 13841 // reader 13842 synchronized (mPackages) { 13843 final PackageParser.Package pkg = mPackages.get(packageName); 13844 final PackageSetting ps = mSettings.mPackages.get(packageName); 13845 if (pkg == null || ps == null) { 13846 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13847 } else { 13848 // Disable moving fwd locked apps and system packages 13849 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13850 Slog.w(TAG, "Cannot move system application"); 13851 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13852 } else if (pkg.mOperationPending) { 13853 Slog.w(TAG, "Attempt to move package which has pending operations"); 13854 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13855 } else { 13856 // Find install location first 13857 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13858 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13859 Slog.w(TAG, "Ambigous flags specified for move location."); 13860 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13861 } else { 13862 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13863 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13864 currInstallFlags = isExternal(pkg) 13865 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13866 13867 if (newInstallFlags == currInstallFlags) { 13868 Slog.w(TAG, "No move required. Trying to move to same location"); 13869 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13870 } else { 13871 if (pkg.isForwardLocked()) { 13872 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13873 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13874 } 13875 } 13876 } 13877 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13878 pkg.mOperationPending = true; 13879 } 13880 } 13881 13882 codeFile = new File(pkg.codePath); 13883 installerPackageName = ps.installerPackageName; 13884 packageAbiOverride = ps.cpuAbiOverrideString; 13885 } 13886 } 13887 13888 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13889 try { 13890 observer.packageMoved(packageName, returnCode); 13891 } catch (RemoteException ignored) { 13892 } 13893 return; 13894 } 13895 13896 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13897 @Override 13898 public void onUserActionRequired(Intent intent) throws RemoteException { 13899 throw new IllegalStateException(); 13900 } 13901 13902 @Override 13903 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13904 Bundle extras) throws RemoteException { 13905 Slog.d(TAG, "Install result for move: " 13906 + PackageManager.installStatusToString(returnCode, msg)); 13907 13908 // We usually have a new package now after the install, but if 13909 // we failed we need to clear the pending flag on the original 13910 // package object. 13911 synchronized (mPackages) { 13912 final PackageParser.Package pkg = mPackages.get(packageName); 13913 if (pkg != null) { 13914 pkg.mOperationPending = false; 13915 } 13916 } 13917 13918 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13919 switch (status) { 13920 case PackageInstaller.STATUS_SUCCESS: 13921 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13922 break; 13923 case PackageInstaller.STATUS_FAILURE_STORAGE: 13924 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13925 break; 13926 default: 13927 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13928 break; 13929 } 13930 } 13931 }; 13932 13933 // Treat a move like reinstalling an existing app, which ensures that we 13934 // process everythign uniformly, like unpacking native libraries. 13935 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13936 13937 final Message msg = mHandler.obtainMessage(INIT_COPY); 13938 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13939 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13940 installerPackageName, null, user, packageAbiOverride); 13941 mHandler.sendMessage(msg); 13942 } 13943 13944 @Override 13945 public boolean setInstallLocation(int loc) { 13946 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13947 null); 13948 if (getInstallLocation() == loc) { 13949 return true; 13950 } 13951 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13952 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13953 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13954 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13955 return true; 13956 } 13957 return false; 13958 } 13959 13960 @Override 13961 public int getInstallLocation() { 13962 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13963 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13964 PackageHelper.APP_INSTALL_AUTO); 13965 } 13966 13967 /** Called by UserManagerService */ 13968 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13969 mDirtyUsers.remove(userHandle); 13970 mSettings.removeUserLPw(userHandle); 13971 mPendingBroadcasts.remove(userHandle); 13972 if (mInstaller != null) { 13973 // Technically, we shouldn't be doing this with the package lock 13974 // held. However, this is very rare, and there is already so much 13975 // other disk I/O going on, that we'll let it slide for now. 13976 mInstaller.removeUserDataDirs(userHandle); 13977 } 13978 mUserNeedsBadging.delete(userHandle); 13979 removeUnusedPackagesLILPw(userManager, userHandle); 13980 } 13981 13982 /** 13983 * We're removing userHandle and would like to remove any downloaded packages 13984 * that are no longer in use by any other user. 13985 * @param userHandle the user being removed 13986 */ 13987 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13988 final boolean DEBUG_CLEAN_APKS = false; 13989 int [] users = userManager.getUserIdsLPr(); 13990 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13991 while (psit.hasNext()) { 13992 PackageSetting ps = psit.next(); 13993 if (ps.pkg == null) { 13994 continue; 13995 } 13996 final String packageName = ps.pkg.packageName; 13997 // Skip over if system app 13998 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13999 continue; 14000 } 14001 if (DEBUG_CLEAN_APKS) { 14002 Slog.i(TAG, "Checking package " + packageName); 14003 } 14004 boolean keep = false; 14005 for (int i = 0; i < users.length; i++) { 14006 if (users[i] != userHandle && ps.getInstalled(users[i])) { 14007 keep = true; 14008 if (DEBUG_CLEAN_APKS) { 14009 Slog.i(TAG, " Keeping package " + packageName + " for user " 14010 + users[i]); 14011 } 14012 break; 14013 } 14014 } 14015 if (!keep) { 14016 if (DEBUG_CLEAN_APKS) { 14017 Slog.i(TAG, " Removing package " + packageName); 14018 } 14019 mHandler.post(new Runnable() { 14020 public void run() { 14021 deletePackageX(packageName, userHandle, 0); 14022 } //end run 14023 }); 14024 } 14025 } 14026 } 14027 14028 /** Called by UserManagerService */ 14029 void createNewUserLILPw(int userHandle, File path) { 14030 if (mInstaller != null) { 14031 mInstaller.createUserConfig(userHandle); 14032 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 14033 } 14034 } 14035 14036 void newUserCreatedLILPw(int userHandle) { 14037 // Adding a user requires updating runtime permissions for system apps. 14038 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 14039 } 14040 14041 @Override 14042 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 14043 mContext.enforceCallingOrSelfPermission( 14044 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14045 "Only package verification agents can read the verifier device identity"); 14046 14047 synchronized (mPackages) { 14048 return mSettings.getVerifierDeviceIdentityLPw(); 14049 } 14050 } 14051 14052 @Override 14053 public void setPermissionEnforced(String permission, boolean enforced) { 14054 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 14055 if (READ_EXTERNAL_STORAGE.equals(permission)) { 14056 synchronized (mPackages) { 14057 if (mSettings.mReadExternalStorageEnforced == null 14058 || mSettings.mReadExternalStorageEnforced != enforced) { 14059 mSettings.mReadExternalStorageEnforced = enforced; 14060 mSettings.writeLPr(); 14061 } 14062 } 14063 // kill any non-foreground processes so we restart them and 14064 // grant/revoke the GID. 14065 final IActivityManager am = ActivityManagerNative.getDefault(); 14066 if (am != null) { 14067 final long token = Binder.clearCallingIdentity(); 14068 try { 14069 am.killProcessesBelowForeground("setPermissionEnforcement"); 14070 } catch (RemoteException e) { 14071 } finally { 14072 Binder.restoreCallingIdentity(token); 14073 } 14074 } 14075 } else { 14076 throw new IllegalArgumentException("No selective enforcement for " + permission); 14077 } 14078 } 14079 14080 @Override 14081 @Deprecated 14082 public boolean isPermissionEnforced(String permission) { 14083 return true; 14084 } 14085 14086 @Override 14087 public boolean isStorageLow() { 14088 final long token = Binder.clearCallingIdentity(); 14089 try { 14090 final DeviceStorageMonitorInternal 14091 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 14092 if (dsm != null) { 14093 return dsm.isMemoryLow(); 14094 } else { 14095 return false; 14096 } 14097 } finally { 14098 Binder.restoreCallingIdentity(token); 14099 } 14100 } 14101 14102 @Override 14103 public IPackageInstaller getPackageInstaller() { 14104 return mInstallerService; 14105 } 14106 14107 private boolean userNeedsBadging(int userId) { 14108 int index = mUserNeedsBadging.indexOfKey(userId); 14109 if (index < 0) { 14110 final UserInfo userInfo; 14111 final long token = Binder.clearCallingIdentity(); 14112 try { 14113 userInfo = sUserManager.getUserInfo(userId); 14114 } finally { 14115 Binder.restoreCallingIdentity(token); 14116 } 14117 final boolean b; 14118 if (userInfo != null && userInfo.isManagedProfile()) { 14119 b = true; 14120 } else { 14121 b = false; 14122 } 14123 mUserNeedsBadging.put(userId, b); 14124 return b; 14125 } 14126 return mUserNeedsBadging.valueAt(index); 14127 } 14128 14129 @Override 14130 public KeySet getKeySetByAlias(String packageName, String alias) { 14131 if (packageName == null || alias == null) { 14132 return null; 14133 } 14134 synchronized(mPackages) { 14135 final PackageParser.Package pkg = mPackages.get(packageName); 14136 if (pkg == null) { 14137 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 14138 throw new IllegalArgumentException("Unknown package: " + packageName); 14139 } 14140 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14141 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 14142 } 14143 } 14144 14145 @Override 14146 public KeySet getSigningKeySet(String packageName) { 14147 if (packageName == null) { 14148 return null; 14149 } 14150 synchronized(mPackages) { 14151 final PackageParser.Package pkg = mPackages.get(packageName); 14152 if (pkg == null) { 14153 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 14154 throw new IllegalArgumentException("Unknown package: " + packageName); 14155 } 14156 if (pkg.applicationInfo.uid != Binder.getCallingUid() 14157 && Process.SYSTEM_UID != Binder.getCallingUid()) { 14158 throw new SecurityException("May not access signing KeySet of other apps."); 14159 } 14160 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14161 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 14162 } 14163 } 14164 14165 @Override 14166 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 14167 if (packageName == null || ks == null) { 14168 return false; 14169 } 14170 synchronized(mPackages) { 14171 final PackageParser.Package pkg = mPackages.get(packageName); 14172 if (pkg == null) { 14173 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 14174 throw new IllegalArgumentException("Unknown package: " + packageName); 14175 } 14176 IBinder ksh = ks.getToken(); 14177 if (ksh instanceof KeySetHandle) { 14178 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14179 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 14180 } 14181 return false; 14182 } 14183 } 14184 14185 @Override 14186 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 14187 if (packageName == null || ks == null) { 14188 return false; 14189 } 14190 synchronized(mPackages) { 14191 final PackageParser.Package pkg = mPackages.get(packageName); 14192 if (pkg == null) { 14193 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 14194 throw new IllegalArgumentException("Unknown package: " + packageName); 14195 } 14196 IBinder ksh = ks.getToken(); 14197 if (ksh instanceof KeySetHandle) { 14198 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14199 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 14200 } 14201 return false; 14202 } 14203 } 14204 14205 public void getUsageStatsIfNoPackageUsageInfo() { 14206 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 14207 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 14208 if (usm == null) { 14209 throw new IllegalStateException("UsageStatsManager must be initialized"); 14210 } 14211 long now = System.currentTimeMillis(); 14212 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 14213 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 14214 String packageName = entry.getKey(); 14215 PackageParser.Package pkg = mPackages.get(packageName); 14216 if (pkg == null) { 14217 continue; 14218 } 14219 UsageStats usage = entry.getValue(); 14220 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 14221 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 14222 } 14223 } 14224 } 14225 14226 /** 14227 * Check and throw if the given before/after packages would be considered a 14228 * downgrade. 14229 */ 14230 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 14231 throws PackageManagerException { 14232 if (after.versionCode < before.mVersionCode) { 14233 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 14234 "Update version code " + after.versionCode + " is older than current " 14235 + before.mVersionCode); 14236 } else if (after.versionCode == before.mVersionCode) { 14237 if (after.baseRevisionCode < before.baseRevisionCode) { 14238 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 14239 "Update base revision code " + after.baseRevisionCode 14240 + " is older than current " + before.baseRevisionCode); 14241 } 14242 14243 if (!ArrayUtils.isEmpty(after.splitNames)) { 14244 for (int i = 0; i < after.splitNames.length; i++) { 14245 final String splitName = after.splitNames[i]; 14246 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 14247 if (j != -1) { 14248 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 14249 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 14250 "Update split " + splitName + " revision code " 14251 + after.splitRevisionCodes[i] + " is older than current " 14252 + before.splitRevisionCodes[j]); 14253 } 14254 } 14255 } 14256 } 14257 } 14258 } 14259} 14260