PackageManagerService.java revision cf959f6e722ddd20033b7c98b3e04c7143f6438e
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.PackageParser.isApkFile; 48import static android.os.Process.PACKAGE_INFO_GID; 49import static android.os.Process.SYSTEM_UID; 50import static android.system.OsConstants.O_CREAT; 51import static android.system.OsConstants.O_RDWR; 52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 53import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 54import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 55import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 56import static com.android.internal.util.ArrayUtils.appendInt; 57import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 58import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 59import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 60import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 61 62import android.util.ArrayMap; 63 64import com.android.internal.R; 65import com.android.internal.app.IMediaContainerService; 66import com.android.internal.app.ResolverActivity; 67import com.android.internal.content.NativeLibraryHelper; 68import com.android.internal.content.PackageHelper; 69import com.android.internal.os.IParcelFileDescriptorFactory; 70import com.android.internal.util.ArrayUtils; 71import com.android.internal.util.FastPrintWriter; 72import com.android.internal.util.FastXmlSerializer; 73import com.android.internal.util.IndentingPrintWriter; 74import com.android.server.EventLogTags; 75import com.android.server.IntentResolver; 76import com.android.server.LocalServices; 77import com.android.server.ServiceThread; 78import com.android.server.SystemConfig; 79import com.android.server.Watchdog; 80import com.android.server.pm.Settings.DatabaseVersion; 81import com.android.server.storage.DeviceStorageMonitorInternal; 82 83import org.xmlpull.v1.XmlSerializer; 84 85import android.app.ActivityManager; 86import android.app.ActivityManagerNative; 87import android.app.AppGlobals; 88import android.app.IActivityManager; 89import android.app.admin.IDevicePolicyManager; 90import android.app.backup.IBackupManager; 91import android.app.usage.UsageStats; 92import android.app.usage.UsageStatsManager; 93import android.content.BroadcastReceiver; 94import android.content.ComponentName; 95import android.content.Context; 96import android.content.IIntentReceiver; 97import android.content.Intent; 98import android.content.IntentFilter; 99import android.content.IntentSender; 100import android.content.IntentSender.SendIntentException; 101import android.content.ServiceConnection; 102import android.content.pm.ActivityInfo; 103import android.content.pm.ApplicationInfo; 104import android.content.pm.FeatureInfo; 105import android.content.pm.IPackageDataObserver; 106import android.content.pm.IPackageDeleteObserver; 107import android.content.pm.IPackageDeleteObserver2; 108import android.content.pm.IPackageInstallObserver2; 109import android.content.pm.IPackageInstaller; 110import android.content.pm.IPackageManager; 111import android.content.pm.IPackageMoveObserver; 112import android.content.pm.IPackageStatsObserver; 113import android.content.pm.InstrumentationInfo; 114import android.content.pm.KeySet; 115import android.content.pm.ManifestDigest; 116import android.content.pm.PackageCleanItem; 117import android.content.pm.PackageInfo; 118import android.content.pm.PackageInfoLite; 119import android.content.pm.PackageInstaller; 120import android.content.pm.PackageManager; 121import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 122import android.content.pm.PackageParser.ActivityIntentInfo; 123import android.content.pm.PackageParser.PackageLite; 124import android.content.pm.PackageParser.PackageParserException; 125import android.content.pm.PackageParser; 126import android.content.pm.PackageStats; 127import android.content.pm.PackageUserState; 128import android.content.pm.ParceledListSlice; 129import android.content.pm.PermissionGroupInfo; 130import android.content.pm.PermissionInfo; 131import android.content.pm.ProviderInfo; 132import android.content.pm.ResolveInfo; 133import android.content.pm.ServiceInfo; 134import android.content.pm.Signature; 135import android.content.pm.UserInfo; 136import android.content.pm.VerificationParams; 137import android.content.pm.VerifierDeviceIdentity; 138import android.content.pm.VerifierInfo; 139import android.content.res.Resources; 140import android.hardware.display.DisplayManager; 141import android.net.Uri; 142import android.os.Binder; 143import android.os.Build; 144import android.os.Bundle; 145import android.os.Environment; 146import android.os.Environment.UserEnvironment; 147import android.os.storage.IMountService; 148import android.os.storage.StorageManager; 149import android.os.Debug; 150import android.os.FileUtils; 151import android.os.Handler; 152import android.os.IBinder; 153import android.os.Looper; 154import android.os.Message; 155import android.os.Parcel; 156import android.os.ParcelFileDescriptor; 157import android.os.Process; 158import android.os.RemoteException; 159import android.os.SELinux; 160import android.os.ServiceManager; 161import android.os.SystemClock; 162import android.os.SystemProperties; 163import android.os.UserHandle; 164import android.os.UserManager; 165import android.security.KeyStore; 166import android.security.SystemKeyStore; 167import android.system.ErrnoException; 168import android.system.Os; 169import android.system.StructStat; 170import android.text.TextUtils; 171import android.text.format.DateUtils; 172import android.util.ArraySet; 173import android.util.AtomicFile; 174import android.util.DisplayMetrics; 175import android.util.EventLog; 176import android.util.ExceptionUtils; 177import android.util.Log; 178import android.util.LogPrinter; 179import android.util.PrintStreamPrinter; 180import android.util.Slog; 181import android.util.SparseArray; 182import android.util.SparseBooleanArray; 183import android.view.Display; 184 185import java.io.BufferedInputStream; 186import java.io.BufferedOutputStream; 187import java.io.BufferedReader; 188import java.io.File; 189import java.io.FileDescriptor; 190import java.io.FileNotFoundException; 191import java.io.FileOutputStream; 192import java.io.FileReader; 193import java.io.FilenameFilter; 194import java.io.IOException; 195import java.io.InputStream; 196import java.io.PrintWriter; 197import java.nio.charset.StandardCharsets; 198import java.security.NoSuchAlgorithmException; 199import java.security.PublicKey; 200import java.security.cert.CertificateEncodingException; 201import java.security.cert.CertificateException; 202import java.text.SimpleDateFormat; 203import java.util.ArrayList; 204import java.util.Arrays; 205import java.util.Collection; 206import java.util.Collections; 207import java.util.Comparator; 208import java.util.Date; 209import java.util.Iterator; 210import java.util.List; 211import java.util.Map; 212import java.util.Objects; 213import java.util.Set; 214import java.util.concurrent.atomic.AtomicBoolean; 215import java.util.concurrent.atomic.AtomicLong; 216 217import dalvik.system.DexFile; 218import dalvik.system.VMRuntime; 219 220import libcore.io.IoUtils; 221import libcore.util.EmptyArray; 222 223/** 224 * Keep track of all those .apks everywhere. 225 * 226 * This is very central to the platform's security; please run the unit 227 * tests whenever making modifications here: 228 * 229mmm frameworks/base/tests/AndroidTests 230adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 231adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 232 * 233 * {@hide} 234 */ 235public class PackageManagerService extends IPackageManager.Stub { 236 static final String TAG = "PackageManager"; 237 static final boolean DEBUG_SETTINGS = false; 238 static final boolean DEBUG_PREFERRED = false; 239 static final boolean DEBUG_UPGRADE = false; 240 private static final boolean DEBUG_INSTALL = false; 241 private static final boolean DEBUG_REMOVE = false; 242 private static final boolean DEBUG_BROADCASTS = false; 243 private static final boolean DEBUG_SHOW_INFO = false; 244 private static final boolean DEBUG_PACKAGE_INFO = false; 245 private static final boolean DEBUG_INTENT_MATCHING = false; 246 private static final boolean DEBUG_PACKAGE_SCANNING = false; 247 private static final boolean DEBUG_VERIFY = false; 248 private static final boolean DEBUG_DEXOPT = false; 249 private static final boolean DEBUG_ABI_SELECTION = false; 250 251 static final boolean RUNTIME_PERMISSIONS_ENABLED = 252 SystemProperties.getInt("ro.runtime.permissions.enabled", 0) == 1; 253 254 private static final int RADIO_UID = Process.PHONE_UID; 255 private static final int LOG_UID = Process.LOG_UID; 256 private static final int NFC_UID = Process.NFC_UID; 257 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 258 private static final int SHELL_UID = Process.SHELL_UID; 259 260 // Cap the size of permission trees that 3rd party apps can define 261 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 262 263 // Suffix used during package installation when copying/moving 264 // package apks to install directory. 265 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 266 267 static final int SCAN_NO_DEX = 1<<1; 268 static final int SCAN_FORCE_DEX = 1<<2; 269 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 270 static final int SCAN_NEW_INSTALL = 1<<4; 271 static final int SCAN_NO_PATHS = 1<<5; 272 static final int SCAN_UPDATE_TIME = 1<<6; 273 static final int SCAN_DEFER_DEX = 1<<7; 274 static final int SCAN_BOOTING = 1<<8; 275 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 276 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 277 static final int SCAN_REPLACING = 1<<11; 278 279 static final int REMOVE_CHATTY = 1<<16; 280 281 /** 282 * Timeout (in milliseconds) after which the watchdog should declare that 283 * our handler thread is wedged. The usual default for such things is one 284 * minute but we sometimes do very lengthy I/O operations on this thread, 285 * such as installing multi-gigabyte applications, so ours needs to be longer. 286 */ 287 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 288 289 /** 290 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 291 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 292 * settings entry if available, otherwise we use the hardcoded default. If it's been 293 * more than this long since the last fstrim, we force one during the boot sequence. 294 * 295 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 296 * one gets run at the next available charging+idle time. This final mandatory 297 * no-fstrim check kicks in only of the other scheduling criteria is never met. 298 */ 299 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 300 301 /** 302 * Whether verification is enabled by default. 303 */ 304 private static final boolean DEFAULT_VERIFY_ENABLE = true; 305 306 /** 307 * The default maximum time to wait for the verification agent to return in 308 * milliseconds. 309 */ 310 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 311 312 /** 313 * The default response for package verification timeout. 314 * 315 * This can be either PackageManager.VERIFICATION_ALLOW or 316 * PackageManager.VERIFICATION_REJECT. 317 */ 318 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 319 320 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 321 322 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 323 DEFAULT_CONTAINER_PACKAGE, 324 "com.android.defcontainer.DefaultContainerService"); 325 326 private static final String KILL_APP_REASON_GIDS_CHANGED = 327 "permission grant or revoke changed gids"; 328 329 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 330 "permissions revoked"; 331 332 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 333 334 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 335 336 /** Permission grant: not grant the permission. */ 337 private static final int GRANT_DENIED = 1; 338 339 /** Permission grant: grant the permission as an install permission. */ 340 private static final int GRANT_INSTALL = 2; 341 342 /** Permission grant: grant the permission as a runtime one. */ 343 private static final int GRANT_RUNTIME = 3; 344 345 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 346 private static final int GRANT_UPGRADE = 4; 347 348 final ServiceThread mHandlerThread; 349 350 final PackageHandler mHandler; 351 352 /** 353 * Messages for {@link #mHandler} that need to wait for system ready before 354 * being dispatched. 355 */ 356 private ArrayList<Message> mPostSystemReadyMessages; 357 358 final int mSdkVersion = Build.VERSION.SDK_INT; 359 360 final Context mContext; 361 final boolean mFactoryTest; 362 final boolean mOnlyCore; 363 final boolean mLazyDexOpt; 364 final long mDexOptLRUThresholdInMills; 365 final DisplayMetrics mMetrics; 366 final int mDefParseFlags; 367 final String[] mSeparateProcesses; 368 final boolean mIsUpgrade; 369 370 // This is where all application persistent data goes. 371 final File mAppDataDir; 372 373 // This is where all application persistent data goes for secondary users. 374 final File mUserAppDataDir; 375 376 /** The location for ASEC container files on internal storage. */ 377 final String mAsecInternalPath; 378 379 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 380 // LOCK HELD. Can be called with mInstallLock held. 381 final Installer mInstaller; 382 383 /** Directory where installed third-party apps stored */ 384 final File mAppInstallDir; 385 386 /** 387 * Directory to which applications installed internally have their 388 * 32 bit native libraries copied. 389 */ 390 private File mAppLib32InstallDir; 391 392 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 393 // apps. 394 final File mDrmAppPrivateInstallDir; 395 396 // ---------------------------------------------------------------- 397 398 // Lock for state used when installing and doing other long running 399 // operations. Methods that must be called with this lock held have 400 // the suffix "LI". 401 final Object mInstallLock = new Object(); 402 403 // ---------------------------------------------------------------- 404 405 // Keys are String (package name), values are Package. This also serves 406 // as the lock for the global state. Methods that must be called with 407 // this lock held have the prefix "LP". 408 final ArrayMap<String, PackageParser.Package> mPackages = 409 new ArrayMap<String, PackageParser.Package>(); 410 411 // Tracks available target package names -> overlay package paths. 412 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 413 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 414 415 final Settings mSettings; 416 boolean mRestoredSettings; 417 418 // System configuration read by SystemConfig. 419 final int[] mGlobalGids; 420 final SparseArray<ArraySet<String>> mSystemPermissions; 421 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 422 423 // If mac_permissions.xml was found for seinfo labeling. 424 boolean mFoundPolicyFile; 425 426 // If a recursive restorecon of /data/data/<pkg> is needed. 427 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 428 429 public static final class SharedLibraryEntry { 430 public final String path; 431 public final String apk; 432 433 SharedLibraryEntry(String _path, String _apk) { 434 path = _path; 435 apk = _apk; 436 } 437 } 438 439 // Currently known shared libraries. 440 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 441 new ArrayMap<String, SharedLibraryEntry>(); 442 443 // All available activities, for your resolving pleasure. 444 final ActivityIntentResolver mActivities = 445 new ActivityIntentResolver(); 446 447 // All available receivers, for your resolving pleasure. 448 final ActivityIntentResolver mReceivers = 449 new ActivityIntentResolver(); 450 451 // All available services, for your resolving pleasure. 452 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 453 454 // All available providers, for your resolving pleasure. 455 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 456 457 // Mapping from provider base names (first directory in content URI codePath) 458 // to the provider information. 459 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 460 new ArrayMap<String, PackageParser.Provider>(); 461 462 // Mapping from instrumentation class names to info about them. 463 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 464 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 465 466 // Mapping from permission names to info about them. 467 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 468 new ArrayMap<String, PackageParser.PermissionGroup>(); 469 470 // Packages whose data we have transfered into another package, thus 471 // should no longer exist. 472 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 473 474 // Broadcast actions that are only available to the system. 475 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 476 477 /** List of packages waiting for verification. */ 478 final SparseArray<PackageVerificationState> mPendingVerification 479 = new SparseArray<PackageVerificationState>(); 480 481 /** Set of packages associated with each app op permission. */ 482 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 483 484 final PackageInstallerService mInstallerService; 485 486 private final PackageDexOptimizer mPackageDexOptimizer; 487 // Cache of users who need badging. 488 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 489 490 /** Token for keys in mPendingVerification. */ 491 private int mPendingVerificationToken = 0; 492 493 volatile boolean mSystemReady; 494 volatile boolean mSafeMode; 495 volatile boolean mHasSystemUidErrors; 496 497 ApplicationInfo mAndroidApplication; 498 final ActivityInfo mResolveActivity = new ActivityInfo(); 499 final ResolveInfo mResolveInfo = new ResolveInfo(); 500 ComponentName mResolveComponentName; 501 PackageParser.Package mPlatformPackage; 502 ComponentName mCustomResolverComponentName; 503 504 boolean mResolverReplaced = false; 505 506 // Set of pending broadcasts for aggregating enable/disable of components. 507 static class PendingPackageBroadcasts { 508 // for each user id, a map of <package name -> components within that package> 509 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 510 511 public PendingPackageBroadcasts() { 512 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 513 } 514 515 public ArrayList<String> get(int userId, String packageName) { 516 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 517 return packages.get(packageName); 518 } 519 520 public void put(int userId, String packageName, ArrayList<String> components) { 521 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 522 packages.put(packageName, components); 523 } 524 525 public void remove(int userId, String packageName) { 526 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 527 if (packages != null) { 528 packages.remove(packageName); 529 } 530 } 531 532 public void remove(int userId) { 533 mUidMap.remove(userId); 534 } 535 536 public int userIdCount() { 537 return mUidMap.size(); 538 } 539 540 public int userIdAt(int n) { 541 return mUidMap.keyAt(n); 542 } 543 544 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 545 return mUidMap.get(userId); 546 } 547 548 public int size() { 549 // total number of pending broadcast entries across all userIds 550 int num = 0; 551 for (int i = 0; i< mUidMap.size(); i++) { 552 num += mUidMap.valueAt(i).size(); 553 } 554 return num; 555 } 556 557 public void clear() { 558 mUidMap.clear(); 559 } 560 561 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 562 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 563 if (map == null) { 564 map = new ArrayMap<String, ArrayList<String>>(); 565 mUidMap.put(userId, map); 566 } 567 return map; 568 } 569 } 570 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 571 572 // Service Connection to remote media container service to copy 573 // package uri's from external media onto secure containers 574 // or internal storage. 575 private IMediaContainerService mContainerService = null; 576 577 static final int SEND_PENDING_BROADCAST = 1; 578 static final int MCS_BOUND = 3; 579 static final int END_COPY = 4; 580 static final int INIT_COPY = 5; 581 static final int MCS_UNBIND = 6; 582 static final int START_CLEANING_PACKAGE = 7; 583 static final int FIND_INSTALL_LOC = 8; 584 static final int POST_INSTALL = 9; 585 static final int MCS_RECONNECT = 10; 586 static final int MCS_GIVE_UP = 11; 587 static final int UPDATED_MEDIA_STATUS = 12; 588 static final int WRITE_SETTINGS = 13; 589 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 590 static final int PACKAGE_VERIFIED = 15; 591 static final int CHECK_PENDING_VERIFICATION = 16; 592 593 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 594 595 // Delay time in millisecs 596 static final int BROADCAST_DELAY = 10 * 1000; 597 598 static UserManagerService sUserManager; 599 600 // Stores a list of users whose package restrictions file needs to be updated 601 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 602 603 final private DefaultContainerConnection mDefContainerConn = 604 new DefaultContainerConnection(); 605 class DefaultContainerConnection implements ServiceConnection { 606 public void onServiceConnected(ComponentName name, IBinder service) { 607 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 608 IMediaContainerService imcs = 609 IMediaContainerService.Stub.asInterface(service); 610 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 611 } 612 613 public void onServiceDisconnected(ComponentName name) { 614 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 615 } 616 }; 617 618 // Recordkeeping of restore-after-install operations that are currently in flight 619 // between the Package Manager and the Backup Manager 620 class PostInstallData { 621 public InstallArgs args; 622 public PackageInstalledInfo res; 623 624 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 625 args = _a; 626 res = _r; 627 } 628 }; 629 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 630 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 631 632 private final String mRequiredVerifierPackage; 633 634 private final PackageUsage mPackageUsage = new PackageUsage(); 635 636 private class PackageUsage { 637 private static final int WRITE_INTERVAL 638 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 639 640 private final Object mFileLock = new Object(); 641 private final AtomicLong mLastWritten = new AtomicLong(0); 642 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 643 644 private boolean mIsHistoricalPackageUsageAvailable = true; 645 646 boolean isHistoricalPackageUsageAvailable() { 647 return mIsHistoricalPackageUsageAvailable; 648 } 649 650 void write(boolean force) { 651 if (force) { 652 writeInternal(); 653 return; 654 } 655 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 656 && !DEBUG_DEXOPT) { 657 return; 658 } 659 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 660 new Thread("PackageUsage_DiskWriter") { 661 @Override 662 public void run() { 663 try { 664 writeInternal(); 665 } finally { 666 mBackgroundWriteRunning.set(false); 667 } 668 } 669 }.start(); 670 } 671 } 672 673 private void writeInternal() { 674 synchronized (mPackages) { 675 synchronized (mFileLock) { 676 AtomicFile file = getFile(); 677 FileOutputStream f = null; 678 try { 679 f = file.startWrite(); 680 BufferedOutputStream out = new BufferedOutputStream(f); 681 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 682 StringBuilder sb = new StringBuilder(); 683 for (PackageParser.Package pkg : mPackages.values()) { 684 if (pkg.mLastPackageUsageTimeInMills == 0) { 685 continue; 686 } 687 sb.setLength(0); 688 sb.append(pkg.packageName); 689 sb.append(' '); 690 sb.append((long)pkg.mLastPackageUsageTimeInMills); 691 sb.append('\n'); 692 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 693 } 694 out.flush(); 695 file.finishWrite(f); 696 } catch (IOException e) { 697 if (f != null) { 698 file.failWrite(f); 699 } 700 Log.e(TAG, "Failed to write package usage times", e); 701 } 702 } 703 } 704 mLastWritten.set(SystemClock.elapsedRealtime()); 705 } 706 707 void readLP() { 708 synchronized (mFileLock) { 709 AtomicFile file = getFile(); 710 BufferedInputStream in = null; 711 try { 712 in = new BufferedInputStream(file.openRead()); 713 StringBuffer sb = new StringBuffer(); 714 while (true) { 715 String packageName = readToken(in, sb, ' '); 716 if (packageName == null) { 717 break; 718 } 719 String timeInMillisString = readToken(in, sb, '\n'); 720 if (timeInMillisString == null) { 721 throw new IOException("Failed to find last usage time for package " 722 + packageName); 723 } 724 PackageParser.Package pkg = mPackages.get(packageName); 725 if (pkg == null) { 726 continue; 727 } 728 long timeInMillis; 729 try { 730 timeInMillis = Long.parseLong(timeInMillisString.toString()); 731 } catch (NumberFormatException e) { 732 throw new IOException("Failed to parse " + timeInMillisString 733 + " as a long.", e); 734 } 735 pkg.mLastPackageUsageTimeInMills = timeInMillis; 736 } 737 } catch (FileNotFoundException expected) { 738 mIsHistoricalPackageUsageAvailable = false; 739 } catch (IOException e) { 740 Log.w(TAG, "Failed to read package usage times", e); 741 } finally { 742 IoUtils.closeQuietly(in); 743 } 744 } 745 mLastWritten.set(SystemClock.elapsedRealtime()); 746 } 747 748 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 749 throws IOException { 750 sb.setLength(0); 751 while (true) { 752 int ch = in.read(); 753 if (ch == -1) { 754 if (sb.length() == 0) { 755 return null; 756 } 757 throw new IOException("Unexpected EOF"); 758 } 759 if (ch == endOfToken) { 760 return sb.toString(); 761 } 762 sb.append((char)ch); 763 } 764 } 765 766 private AtomicFile getFile() { 767 File dataDir = Environment.getDataDirectory(); 768 File systemDir = new File(dataDir, "system"); 769 File fname = new File(systemDir, "package-usage.list"); 770 return new AtomicFile(fname); 771 } 772 } 773 774 class PackageHandler extends Handler { 775 private boolean mBound = false; 776 final ArrayList<HandlerParams> mPendingInstalls = 777 new ArrayList<HandlerParams>(); 778 779 private boolean connectToService() { 780 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 781 " DefaultContainerService"); 782 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 783 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 784 if (mContext.bindServiceAsUser(service, mDefContainerConn, 785 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 786 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 787 mBound = true; 788 return true; 789 } 790 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 791 return false; 792 } 793 794 private void disconnectService() { 795 mContainerService = null; 796 mBound = false; 797 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 798 mContext.unbindService(mDefContainerConn); 799 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 800 } 801 802 PackageHandler(Looper looper) { 803 super(looper); 804 } 805 806 public void handleMessage(Message msg) { 807 try { 808 doHandleMessage(msg); 809 } finally { 810 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 811 } 812 } 813 814 void doHandleMessage(Message msg) { 815 switch (msg.what) { 816 case INIT_COPY: { 817 HandlerParams params = (HandlerParams) msg.obj; 818 int idx = mPendingInstalls.size(); 819 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 820 // If a bind was already initiated we dont really 821 // need to do anything. The pending install 822 // will be processed later on. 823 if (!mBound) { 824 // If this is the only one pending we might 825 // have to bind to the service again. 826 if (!connectToService()) { 827 Slog.e(TAG, "Failed to bind to media container service"); 828 params.serviceError(); 829 return; 830 } else { 831 // Once we bind to the service, the first 832 // pending request will be processed. 833 mPendingInstalls.add(idx, params); 834 } 835 } else { 836 mPendingInstalls.add(idx, params); 837 // Already bound to the service. Just make 838 // sure we trigger off processing the first request. 839 if (idx == 0) { 840 mHandler.sendEmptyMessage(MCS_BOUND); 841 } 842 } 843 break; 844 } 845 case MCS_BOUND: { 846 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 847 if (msg.obj != null) { 848 mContainerService = (IMediaContainerService) msg.obj; 849 } 850 if (mContainerService == null) { 851 // Something seriously wrong. Bail out 852 Slog.e(TAG, "Cannot bind to media container service"); 853 for (HandlerParams params : mPendingInstalls) { 854 // Indicate service bind error 855 params.serviceError(); 856 } 857 mPendingInstalls.clear(); 858 } else if (mPendingInstalls.size() > 0) { 859 HandlerParams params = mPendingInstalls.get(0); 860 if (params != null) { 861 if (params.startCopy()) { 862 // We are done... look for more work or to 863 // go idle. 864 if (DEBUG_SD_INSTALL) Log.i(TAG, 865 "Checking for more work or unbind..."); 866 // Delete pending install 867 if (mPendingInstalls.size() > 0) { 868 mPendingInstalls.remove(0); 869 } 870 if (mPendingInstalls.size() == 0) { 871 if (mBound) { 872 if (DEBUG_SD_INSTALL) Log.i(TAG, 873 "Posting delayed MCS_UNBIND"); 874 removeMessages(MCS_UNBIND); 875 Message ubmsg = obtainMessage(MCS_UNBIND); 876 // Unbind after a little delay, to avoid 877 // continual thrashing. 878 sendMessageDelayed(ubmsg, 10000); 879 } 880 } else { 881 // There are more pending requests in queue. 882 // Just post MCS_BOUND message to trigger processing 883 // of next pending install. 884 if (DEBUG_SD_INSTALL) Log.i(TAG, 885 "Posting MCS_BOUND for next work"); 886 mHandler.sendEmptyMessage(MCS_BOUND); 887 } 888 } 889 } 890 } else { 891 // Should never happen ideally. 892 Slog.w(TAG, "Empty queue"); 893 } 894 break; 895 } 896 case MCS_RECONNECT: { 897 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 898 if (mPendingInstalls.size() > 0) { 899 if (mBound) { 900 disconnectService(); 901 } 902 if (!connectToService()) { 903 Slog.e(TAG, "Failed to bind to media container service"); 904 for (HandlerParams params : mPendingInstalls) { 905 // Indicate service bind error 906 params.serviceError(); 907 } 908 mPendingInstalls.clear(); 909 } 910 } 911 break; 912 } 913 case MCS_UNBIND: { 914 // If there is no actual work left, then time to unbind. 915 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 916 917 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 918 if (mBound) { 919 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 920 921 disconnectService(); 922 } 923 } else if (mPendingInstalls.size() > 0) { 924 // There are more pending requests in queue. 925 // Just post MCS_BOUND message to trigger processing 926 // of next pending install. 927 mHandler.sendEmptyMessage(MCS_BOUND); 928 } 929 930 break; 931 } 932 case MCS_GIVE_UP: { 933 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 934 mPendingInstalls.remove(0); 935 break; 936 } 937 case SEND_PENDING_BROADCAST: { 938 String packages[]; 939 ArrayList<String> components[]; 940 int size = 0; 941 int uids[]; 942 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 943 synchronized (mPackages) { 944 if (mPendingBroadcasts == null) { 945 return; 946 } 947 size = mPendingBroadcasts.size(); 948 if (size <= 0) { 949 // Nothing to be done. Just return 950 return; 951 } 952 packages = new String[size]; 953 components = new ArrayList[size]; 954 uids = new int[size]; 955 int i = 0; // filling out the above arrays 956 957 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 958 int packageUserId = mPendingBroadcasts.userIdAt(n); 959 Iterator<Map.Entry<String, ArrayList<String>>> it 960 = mPendingBroadcasts.packagesForUserId(packageUserId) 961 .entrySet().iterator(); 962 while (it.hasNext() && i < size) { 963 Map.Entry<String, ArrayList<String>> ent = it.next(); 964 packages[i] = ent.getKey(); 965 components[i] = ent.getValue(); 966 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 967 uids[i] = (ps != null) 968 ? UserHandle.getUid(packageUserId, ps.appId) 969 : -1; 970 i++; 971 } 972 } 973 size = i; 974 mPendingBroadcasts.clear(); 975 } 976 // Send broadcasts 977 for (int i = 0; i < size; i++) { 978 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 979 } 980 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 981 break; 982 } 983 case START_CLEANING_PACKAGE: { 984 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 985 final String packageName = (String)msg.obj; 986 final int userId = msg.arg1; 987 final boolean andCode = msg.arg2 != 0; 988 synchronized (mPackages) { 989 if (userId == UserHandle.USER_ALL) { 990 int[] users = sUserManager.getUserIds(); 991 for (int user : users) { 992 mSettings.addPackageToCleanLPw( 993 new PackageCleanItem(user, packageName, andCode)); 994 } 995 } else { 996 mSettings.addPackageToCleanLPw( 997 new PackageCleanItem(userId, packageName, andCode)); 998 } 999 } 1000 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1001 startCleaningPackages(); 1002 } break; 1003 case POST_INSTALL: { 1004 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1005 PostInstallData data = mRunningInstalls.get(msg.arg1); 1006 mRunningInstalls.delete(msg.arg1); 1007 boolean deleteOld = false; 1008 1009 if (data != null) { 1010 InstallArgs args = data.args; 1011 PackageInstalledInfo res = data.res; 1012 1013 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1014 res.removedInfo.sendBroadcast(false, true, false); 1015 Bundle extras = new Bundle(1); 1016 extras.putInt(Intent.EXTRA_UID, res.uid); 1017 1018 // Now that we successfully installed the package, grant runtime 1019 // permissions if requested before broadcasting the install. 1020 if ((args.installFlags 1021 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1022 grantRequestedRuntimePermissions(res.pkg, 1023 args.user.getIdentifier()); 1024 } 1025 1026 // Determine the set of users who are adding this 1027 // package for the first time vs. those who are seeing 1028 // an update. 1029 int[] firstUsers; 1030 int[] updateUsers = new int[0]; 1031 if (res.origUsers == null || res.origUsers.length == 0) { 1032 firstUsers = res.newUsers; 1033 } else { 1034 firstUsers = new int[0]; 1035 for (int i=0; i<res.newUsers.length; i++) { 1036 int user = res.newUsers[i]; 1037 boolean isNew = true; 1038 for (int j=0; j<res.origUsers.length; j++) { 1039 if (res.origUsers[j] == user) { 1040 isNew = false; 1041 break; 1042 } 1043 } 1044 if (isNew) { 1045 int[] newFirst = new int[firstUsers.length+1]; 1046 System.arraycopy(firstUsers, 0, newFirst, 0, 1047 firstUsers.length); 1048 newFirst[firstUsers.length] = user; 1049 firstUsers = newFirst; 1050 } else { 1051 int[] newUpdate = new int[updateUsers.length+1]; 1052 System.arraycopy(updateUsers, 0, newUpdate, 0, 1053 updateUsers.length); 1054 newUpdate[updateUsers.length] = user; 1055 updateUsers = newUpdate; 1056 } 1057 } 1058 } 1059 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1060 res.pkg.applicationInfo.packageName, 1061 extras, null, null, firstUsers); 1062 final boolean update = res.removedInfo.removedPackage != null; 1063 if (update) { 1064 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1065 } 1066 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1067 res.pkg.applicationInfo.packageName, 1068 extras, null, null, updateUsers); 1069 if (update) { 1070 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1071 res.pkg.applicationInfo.packageName, 1072 extras, null, null, updateUsers); 1073 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1074 null, null, 1075 res.pkg.applicationInfo.packageName, null, updateUsers); 1076 1077 // treat asec-hosted packages like removable media on upgrade 1078 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1079 if (DEBUG_INSTALL) { 1080 Slog.i(TAG, "upgrading pkg " + res.pkg 1081 + " is ASEC-hosted -> AVAILABLE"); 1082 } 1083 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1084 ArrayList<String> pkgList = new ArrayList<String>(1); 1085 pkgList.add(res.pkg.applicationInfo.packageName); 1086 sendResourcesChangedBroadcast(true, true, 1087 pkgList,uidArray, null); 1088 } 1089 } 1090 if (res.removedInfo.args != null) { 1091 // Remove the replaced package's older resources safely now 1092 deleteOld = true; 1093 } 1094 1095 // Log current value of "unknown sources" setting 1096 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1097 getUnknownSourcesSettings()); 1098 } 1099 // Force a gc to clear up things 1100 Runtime.getRuntime().gc(); 1101 // We delete after a gc for applications on sdcard. 1102 if (deleteOld) { 1103 synchronized (mInstallLock) { 1104 res.removedInfo.args.doPostDeleteLI(true); 1105 } 1106 } 1107 if (args.observer != null) { 1108 try { 1109 Bundle extras = extrasForInstallResult(res); 1110 args.observer.onPackageInstalled(res.name, res.returnCode, 1111 res.returnMsg, extras); 1112 } catch (RemoteException e) { 1113 Slog.i(TAG, "Observer no longer exists."); 1114 } 1115 } 1116 } else { 1117 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1118 } 1119 } break; 1120 case UPDATED_MEDIA_STATUS: { 1121 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1122 boolean reportStatus = msg.arg1 == 1; 1123 boolean doGc = msg.arg2 == 1; 1124 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1125 if (doGc) { 1126 // Force a gc to clear up stale containers. 1127 Runtime.getRuntime().gc(); 1128 } 1129 if (msg.obj != null) { 1130 @SuppressWarnings("unchecked") 1131 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1132 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1133 // Unload containers 1134 unloadAllContainers(args); 1135 } 1136 if (reportStatus) { 1137 try { 1138 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1139 PackageHelper.getMountService().finishMediaUpdate(); 1140 } catch (RemoteException e) { 1141 Log.e(TAG, "MountService not running?"); 1142 } 1143 } 1144 } break; 1145 case WRITE_SETTINGS: { 1146 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1147 synchronized (mPackages) { 1148 removeMessages(WRITE_SETTINGS); 1149 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1150 mSettings.writeLPr(); 1151 mDirtyUsers.clear(); 1152 } 1153 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1154 } break; 1155 case WRITE_PACKAGE_RESTRICTIONS: { 1156 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1157 synchronized (mPackages) { 1158 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1159 for (int userId : mDirtyUsers) { 1160 mSettings.writePackageRestrictionsLPr(userId); 1161 } 1162 mDirtyUsers.clear(); 1163 } 1164 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1165 } break; 1166 case CHECK_PENDING_VERIFICATION: { 1167 final int verificationId = msg.arg1; 1168 final PackageVerificationState state = mPendingVerification.get(verificationId); 1169 1170 if ((state != null) && !state.timeoutExtended()) { 1171 final InstallArgs args = state.getInstallArgs(); 1172 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1173 1174 Slog.i(TAG, "Verification timed out for " + originUri); 1175 mPendingVerification.remove(verificationId); 1176 1177 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1178 1179 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1180 Slog.i(TAG, "Continuing with installation of " + originUri); 1181 state.setVerifierResponse(Binder.getCallingUid(), 1182 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1183 broadcastPackageVerified(verificationId, originUri, 1184 PackageManager.VERIFICATION_ALLOW, 1185 state.getInstallArgs().getUser()); 1186 try { 1187 ret = args.copyApk(mContainerService, true); 1188 } catch (RemoteException e) { 1189 Slog.e(TAG, "Could not contact the ContainerService"); 1190 } 1191 } else { 1192 broadcastPackageVerified(verificationId, originUri, 1193 PackageManager.VERIFICATION_REJECT, 1194 state.getInstallArgs().getUser()); 1195 } 1196 1197 processPendingInstall(args, ret); 1198 mHandler.sendEmptyMessage(MCS_UNBIND); 1199 } 1200 break; 1201 } 1202 case PACKAGE_VERIFIED: { 1203 final int verificationId = msg.arg1; 1204 1205 final PackageVerificationState state = mPendingVerification.get(verificationId); 1206 if (state == null) { 1207 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1208 break; 1209 } 1210 1211 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1212 1213 state.setVerifierResponse(response.callerUid, response.code); 1214 1215 if (state.isVerificationComplete()) { 1216 mPendingVerification.remove(verificationId); 1217 1218 final InstallArgs args = state.getInstallArgs(); 1219 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1220 1221 int ret; 1222 if (state.isInstallAllowed()) { 1223 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1224 broadcastPackageVerified(verificationId, originUri, 1225 response.code, state.getInstallArgs().getUser()); 1226 try { 1227 ret = args.copyApk(mContainerService, true); 1228 } catch (RemoteException e) { 1229 Slog.e(TAG, "Could not contact the ContainerService"); 1230 } 1231 } else { 1232 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1233 } 1234 1235 processPendingInstall(args, ret); 1236 1237 mHandler.sendEmptyMessage(MCS_UNBIND); 1238 } 1239 1240 break; 1241 } 1242 } 1243 } 1244 } 1245 1246 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId) { 1247 if (userId >= UserHandle.USER_OWNER) { 1248 grantRequestedRuntimePermissionsForUser(pkg, userId); 1249 } else if (userId == UserHandle.USER_ALL) { 1250 for (int someUserId : UserManagerService.getInstance().getUserIds()) { 1251 grantRequestedRuntimePermissionsForUser(pkg, someUserId); 1252 } 1253 } 1254 } 1255 1256 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId) { 1257 SettingBase sb = (SettingBase) pkg.mExtras; 1258 if (sb == null) { 1259 return; 1260 } 1261 1262 PermissionsState permissionsState = sb.getPermissionsState(); 1263 1264 for (String permission : pkg.requestedPermissions) { 1265 BasePermission bp = mSettings.mPermissions.get(permission); 1266 if (bp != null && bp.isRuntime()) { 1267 permissionsState.grantRuntimePermission(bp, userId); 1268 } 1269 } 1270 } 1271 1272 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1273 Bundle extras = null; 1274 switch (res.returnCode) { 1275 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1276 extras = new Bundle(); 1277 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1278 res.origPermission); 1279 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1280 res.origPackage); 1281 break; 1282 } 1283 } 1284 return extras; 1285 } 1286 1287 void scheduleWriteSettingsLocked() { 1288 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1289 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1290 } 1291 } 1292 1293 void scheduleWritePackageRestrictionsLocked(int userId) { 1294 if (!sUserManager.exists(userId)) return; 1295 mDirtyUsers.add(userId); 1296 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1297 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1298 } 1299 } 1300 1301 public static PackageManagerService main(Context context, Installer installer, 1302 boolean factoryTest, boolean onlyCore) { 1303 PackageManagerService m = new PackageManagerService(context, installer, 1304 factoryTest, onlyCore); 1305 ServiceManager.addService("package", m); 1306 return m; 1307 } 1308 1309 static String[] splitString(String str, char sep) { 1310 int count = 1; 1311 int i = 0; 1312 while ((i=str.indexOf(sep, i)) >= 0) { 1313 count++; 1314 i++; 1315 } 1316 1317 String[] res = new String[count]; 1318 i=0; 1319 count = 0; 1320 int lastI=0; 1321 while ((i=str.indexOf(sep, i)) >= 0) { 1322 res[count] = str.substring(lastI, i); 1323 count++; 1324 i++; 1325 lastI = i; 1326 } 1327 res[count] = str.substring(lastI, str.length()); 1328 return res; 1329 } 1330 1331 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1332 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1333 Context.DISPLAY_SERVICE); 1334 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1335 } 1336 1337 public PackageManagerService(Context context, Installer installer, 1338 boolean factoryTest, boolean onlyCore) { 1339 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1340 SystemClock.uptimeMillis()); 1341 1342 if (mSdkVersion <= 0) { 1343 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1344 } 1345 1346 mContext = context; 1347 mFactoryTest = factoryTest; 1348 mOnlyCore = onlyCore; 1349 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1350 mMetrics = new DisplayMetrics(); 1351 mSettings = new Settings(mContext, mPackages); 1352 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1353 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1354 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1355 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1356 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1357 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1358 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1359 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1360 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1361 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1362 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1363 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1364 1365 // TODO: add a property to control this? 1366 long dexOptLRUThresholdInMinutes; 1367 if (mLazyDexOpt) { 1368 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1369 } else { 1370 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1371 } 1372 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1373 1374 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1375 if (separateProcesses != null && separateProcesses.length() > 0) { 1376 if ("*".equals(separateProcesses)) { 1377 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1378 mSeparateProcesses = null; 1379 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1380 } else { 1381 mDefParseFlags = 0; 1382 mSeparateProcesses = separateProcesses.split(","); 1383 Slog.w(TAG, "Running with debug.separate_processes: " 1384 + separateProcesses); 1385 } 1386 } else { 1387 mDefParseFlags = 0; 1388 mSeparateProcesses = null; 1389 } 1390 1391 mInstaller = installer; 1392 mPackageDexOptimizer = new PackageDexOptimizer(this); 1393 1394 getDefaultDisplayMetrics(context, mMetrics); 1395 1396 SystemConfig systemConfig = SystemConfig.getInstance(); 1397 mGlobalGids = systemConfig.getGlobalGids(); 1398 mSystemPermissions = systemConfig.getSystemPermissions(); 1399 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1400 1401 synchronized (mInstallLock) { 1402 // writer 1403 synchronized (mPackages) { 1404 mHandlerThread = new ServiceThread(TAG, 1405 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1406 mHandlerThread.start(); 1407 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1408 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1409 1410 File dataDir = Environment.getDataDirectory(); 1411 mAppDataDir = new File(dataDir, "data"); 1412 mAppInstallDir = new File(dataDir, "app"); 1413 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1414 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1415 mUserAppDataDir = new File(dataDir, "user"); 1416 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1417 1418 sUserManager = new UserManagerService(context, this, 1419 mInstallLock, mPackages); 1420 1421 // Propagate permission configuration in to package manager. 1422 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1423 = systemConfig.getPermissions(); 1424 for (int i=0; i<permConfig.size(); i++) { 1425 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1426 BasePermission bp = mSettings.mPermissions.get(perm.name); 1427 if (bp == null) { 1428 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1429 mSettings.mPermissions.put(perm.name, bp); 1430 } 1431 if (perm.gids != null) { 1432 bp.setGids(perm.gids, perm.perUser); 1433 } 1434 } 1435 1436 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1437 for (int i=0; i<libConfig.size(); i++) { 1438 mSharedLibraries.put(libConfig.keyAt(i), 1439 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1440 } 1441 1442 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1443 1444 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1445 mSdkVersion, mOnlyCore); 1446 1447 String customResolverActivity = Resources.getSystem().getString( 1448 R.string.config_customResolverActivity); 1449 if (TextUtils.isEmpty(customResolverActivity)) { 1450 customResolverActivity = null; 1451 } else { 1452 mCustomResolverComponentName = ComponentName.unflattenFromString( 1453 customResolverActivity); 1454 } 1455 1456 long startTime = SystemClock.uptimeMillis(); 1457 1458 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1459 startTime); 1460 1461 // Set flag to monitor and not change apk file paths when 1462 // scanning install directories. 1463 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1464 1465 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1466 1467 /** 1468 * Add everything in the in the boot class path to the 1469 * list of process files because dexopt will have been run 1470 * if necessary during zygote startup. 1471 */ 1472 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1473 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1474 1475 if (bootClassPath != null) { 1476 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1477 for (String element : bootClassPathElements) { 1478 alreadyDexOpted.add(element); 1479 } 1480 } else { 1481 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1482 } 1483 1484 if (systemServerClassPath != null) { 1485 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1486 for (String element : systemServerClassPathElements) { 1487 alreadyDexOpted.add(element); 1488 } 1489 } else { 1490 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1491 } 1492 1493 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1494 final String[] dexCodeInstructionSets = 1495 getDexCodeInstructionSets( 1496 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1497 1498 /** 1499 * Ensure all external libraries have had dexopt run on them. 1500 */ 1501 if (mSharedLibraries.size() > 0) { 1502 // NOTE: For now, we're compiling these system "shared libraries" 1503 // (and framework jars) into all available architectures. It's possible 1504 // to compile them only when we come across an app that uses them (there's 1505 // already logic for that in scanPackageLI) but that adds some complexity. 1506 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1507 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1508 final String lib = libEntry.path; 1509 if (lib == null) { 1510 continue; 1511 } 1512 1513 try { 1514 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1515 dexCodeInstructionSet, 1516 false); 1517 if (dexoptRequired != DexFile.UP_TO_DATE) { 1518 alreadyDexOpted.add(lib); 1519 1520 // The list of "shared libraries" we have at this point is 1521 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1522 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1523 } else { 1524 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1525 } 1526 } 1527 } catch (FileNotFoundException e) { 1528 Slog.w(TAG, "Library not found: " + lib); 1529 } catch (IOException e) { 1530 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1531 + e.getMessage()); 1532 } 1533 } 1534 } 1535 } 1536 1537 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1538 1539 // Gross hack for now: we know this file doesn't contain any 1540 // code, so don't dexopt it to avoid the resulting log spew. 1541 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1542 1543 // Gross hack for now: we know this file is only part of 1544 // the boot class path for art, so don't dexopt it to 1545 // avoid the resulting log spew. 1546 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1547 1548 /** 1549 * And there are a number of commands implemented in Java, which 1550 * we currently need to do the dexopt on so that they can be 1551 * run from a non-root shell. 1552 */ 1553 String[] frameworkFiles = frameworkDir.list(); 1554 if (frameworkFiles != null) { 1555 // TODO: We could compile these only for the most preferred ABI. We should 1556 // first double check that the dex files for these commands are not referenced 1557 // by other system apps. 1558 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1559 for (int i=0; i<frameworkFiles.length; i++) { 1560 File libPath = new File(frameworkDir, frameworkFiles[i]); 1561 String path = libPath.getPath(); 1562 // Skip the file if we already did it. 1563 if (alreadyDexOpted.contains(path)) { 1564 continue; 1565 } 1566 // Skip the file if it is not a type we want to dexopt. 1567 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1568 continue; 1569 } 1570 try { 1571 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1572 dexCodeInstructionSet, 1573 false); 1574 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1575 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1576 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1577 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1578 } 1579 } catch (FileNotFoundException e) { 1580 Slog.w(TAG, "Jar not found: " + path); 1581 } catch (IOException e) { 1582 Slog.w(TAG, "Exception reading jar: " + path, e); 1583 } 1584 } 1585 } 1586 } 1587 1588 // Collect vendor overlay packages. 1589 // (Do this before scanning any apps.) 1590 // For security and version matching reason, only consider 1591 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1592 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1593 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1594 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1595 1596 // Find base frameworks (resource packages without code). 1597 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1598 | PackageParser.PARSE_IS_SYSTEM_DIR 1599 | PackageParser.PARSE_IS_PRIVILEGED, 1600 scanFlags | SCAN_NO_DEX, 0); 1601 1602 // Collected privileged system packages. 1603 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1604 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1605 | PackageParser.PARSE_IS_SYSTEM_DIR 1606 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1607 1608 // Collect ordinary system packages. 1609 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1610 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1611 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1612 1613 // Collect all vendor packages. 1614 File vendorAppDir = new File("/vendor/app"); 1615 try { 1616 vendorAppDir = vendorAppDir.getCanonicalFile(); 1617 } catch (IOException e) { 1618 // failed to look up canonical path, continue with original one 1619 } 1620 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1621 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1622 1623 // Collect all OEM packages. 1624 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1625 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1626 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1627 1628 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1629 mInstaller.moveFiles(); 1630 1631 // Prune any system packages that no longer exist. 1632 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1633 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1634 if (!mOnlyCore) { 1635 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1636 while (psit.hasNext()) { 1637 PackageSetting ps = psit.next(); 1638 1639 /* 1640 * If this is not a system app, it can't be a 1641 * disable system app. 1642 */ 1643 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1644 continue; 1645 } 1646 1647 /* 1648 * If the package is scanned, it's not erased. 1649 */ 1650 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1651 if (scannedPkg != null) { 1652 /* 1653 * If the system app is both scanned and in the 1654 * disabled packages list, then it must have been 1655 * added via OTA. Remove it from the currently 1656 * scanned package so the previously user-installed 1657 * application can be scanned. 1658 */ 1659 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1660 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1661 + ps.name + "; removing system app. Last known codePath=" 1662 + ps.codePathString + ", installStatus=" + ps.installStatus 1663 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1664 + scannedPkg.mVersionCode); 1665 removePackageLI(ps, true); 1666 expectingBetter.put(ps.name, ps.codePath); 1667 } 1668 1669 continue; 1670 } 1671 1672 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1673 psit.remove(); 1674 logCriticalInfo(Log.WARN, "System package " + ps.name 1675 + " no longer exists; wiping its data"); 1676 removeDataDirsLI(ps.name); 1677 } else { 1678 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1679 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1680 possiblyDeletedUpdatedSystemApps.add(ps.name); 1681 } 1682 } 1683 } 1684 } 1685 1686 //look for any incomplete package installations 1687 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1688 //clean up list 1689 for(int i = 0; i < deletePkgsList.size(); i++) { 1690 //clean up here 1691 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1692 } 1693 //delete tmp files 1694 deleteTempPackageFiles(); 1695 1696 // Remove any shared userIDs that have no associated packages 1697 mSettings.pruneSharedUsersLPw(); 1698 1699 if (!mOnlyCore) { 1700 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1701 SystemClock.uptimeMillis()); 1702 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1703 1704 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1705 scanFlags, 0); 1706 1707 /** 1708 * Remove disable package settings for any updated system 1709 * apps that were removed via an OTA. If they're not a 1710 * previously-updated app, remove them completely. 1711 * Otherwise, just revoke their system-level permissions. 1712 */ 1713 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1714 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1715 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1716 1717 String msg; 1718 if (deletedPkg == null) { 1719 msg = "Updated system package " + deletedAppName 1720 + " no longer exists; wiping its data"; 1721 removeDataDirsLI(deletedAppName); 1722 } else { 1723 msg = "Updated system app + " + deletedAppName 1724 + " no longer present; removing system privileges for " 1725 + deletedAppName; 1726 1727 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1728 1729 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1730 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1731 } 1732 logCriticalInfo(Log.WARN, msg); 1733 } 1734 1735 /** 1736 * Make sure all system apps that we expected to appear on 1737 * the userdata partition actually showed up. If they never 1738 * appeared, crawl back and revive the system version. 1739 */ 1740 for (int i = 0; i < expectingBetter.size(); i++) { 1741 final String packageName = expectingBetter.keyAt(i); 1742 if (!mPackages.containsKey(packageName)) { 1743 final File scanFile = expectingBetter.valueAt(i); 1744 1745 logCriticalInfo(Log.WARN, "Expected better " + packageName 1746 + " but never showed up; reverting to system"); 1747 1748 final int reparseFlags; 1749 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1750 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1751 | PackageParser.PARSE_IS_SYSTEM_DIR 1752 | PackageParser.PARSE_IS_PRIVILEGED; 1753 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1754 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1755 | PackageParser.PARSE_IS_SYSTEM_DIR; 1756 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1757 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1758 | PackageParser.PARSE_IS_SYSTEM_DIR; 1759 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1760 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1761 | PackageParser.PARSE_IS_SYSTEM_DIR; 1762 } else { 1763 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1764 continue; 1765 } 1766 1767 mSettings.enableSystemPackageLPw(packageName); 1768 1769 try { 1770 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1771 } catch (PackageManagerException e) { 1772 Slog.e(TAG, "Failed to parse original system package: " 1773 + e.getMessage()); 1774 } 1775 } 1776 } 1777 } 1778 1779 // Now that we know all of the shared libraries, update all clients to have 1780 // the correct library paths. 1781 updateAllSharedLibrariesLPw(); 1782 1783 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1784 // NOTE: We ignore potential failures here during a system scan (like 1785 // the rest of the commands above) because there's precious little we 1786 // can do about it. A settings error is reported, though. 1787 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1788 false /* force dexopt */, false /* defer dexopt */); 1789 } 1790 1791 // Now that we know all the packages we are keeping, 1792 // read and update their last usage times. 1793 mPackageUsage.readLP(); 1794 1795 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1796 SystemClock.uptimeMillis()); 1797 Slog.i(TAG, "Time to scan packages: " 1798 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1799 + " seconds"); 1800 1801 // If the platform SDK has changed since the last time we booted, 1802 // we need to re-grant app permission to catch any new ones that 1803 // appear. This is really a hack, and means that apps can in some 1804 // cases get permissions that the user didn't initially explicitly 1805 // allow... it would be nice to have some better way to handle 1806 // this situation. 1807 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1808 != mSdkVersion; 1809 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1810 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1811 + "; regranting permissions for internal storage"); 1812 mSettings.mInternalSdkPlatform = mSdkVersion; 1813 1814 1815 // We keep track for which users we granted permissions to be able 1816 // to grant runtime permissions to system apps for newly appeared 1817 // users. If we supported runtime permissions during the previous 1818 // boot, then we already granted permissions for all device users. 1819 // In such a case we set the users for which we granted permissions 1820 // to avoid clobbering of runtime permissions we granted to system 1821 // apps but the user revoked later. 1822 if (PackageManagerService.RUNTIME_PERMISSIONS_ENABLED && 1823 mSettings.mRuntimePermissionEnabled) { 1824 final int[] userIds = UserManagerService.getInstance().getUserIds(); 1825 for (PackageSetting ps : mSettings.mPackages.values()) { 1826 ps.setPermissionsUpdatedForUserIds(userIds); 1827 } 1828 for (SharedUserSetting sus : mSettings.mSharedUsers.values()) { 1829 sus.setPermissionsUpdatedForUserIds(userIds); 1830 } 1831 } 1832 1833 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1834 | (regrantPermissions 1835 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1836 : 0)); 1837 1838 // If this is the first boot, and it is a normal boot, then 1839 // we need to initialize the default preferred apps. 1840 if (!mRestoredSettings && !onlyCore) { 1841 mSettings.readDefaultPreferredAppsLPw(this, 0); 1842 } 1843 1844 // If this is first boot after an OTA, and a normal boot, then 1845 // we need to clear code cache directories. 1846 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1847 if (mIsUpgrade && !onlyCore) { 1848 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1849 for (String pkgName : mSettings.mPackages.keySet()) { 1850 deleteCodeCacheDirsLI(pkgName); 1851 } 1852 mSettings.mFingerprint = Build.FINGERPRINT; 1853 } 1854 1855 // All the changes are done during package scanning. 1856 mSettings.updateInternalDatabaseVersion(); 1857 1858 // can downgrade to reader 1859 mSettings.writeLPr(); 1860 1861 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1862 SystemClock.uptimeMillis()); 1863 1864 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1865 } // synchronized (mPackages) 1866 } // synchronized (mInstallLock) 1867 1868 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1869 1870 // Now after opening every single application zip, make sure they 1871 // are all flushed. Not really needed, but keeps things nice and 1872 // tidy. 1873 Runtime.getRuntime().gc(); 1874 } 1875 1876 @Override 1877 public boolean isFirstBoot() { 1878 return !mRestoredSettings; 1879 } 1880 1881 @Override 1882 public boolean isOnlyCoreApps() { 1883 return mOnlyCore; 1884 } 1885 1886 @Override 1887 public boolean isUpgrade() { 1888 return mIsUpgrade; 1889 } 1890 1891 private String getRequiredVerifierLPr() { 1892 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1893 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1894 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1895 1896 String requiredVerifier = null; 1897 1898 final int N = receivers.size(); 1899 for (int i = 0; i < N; i++) { 1900 final ResolveInfo info = receivers.get(i); 1901 1902 if (info.activityInfo == null) { 1903 continue; 1904 } 1905 1906 final String packageName = info.activityInfo.packageName; 1907 1908 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 1909 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 1910 continue; 1911 } 1912 1913 if (requiredVerifier != null) { 1914 throw new RuntimeException("There can be only one required verifier"); 1915 } 1916 1917 requiredVerifier = packageName; 1918 } 1919 1920 return requiredVerifier; 1921 } 1922 1923 @Override 1924 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1925 throws RemoteException { 1926 try { 1927 return super.onTransact(code, data, reply, flags); 1928 } catch (RuntimeException e) { 1929 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1930 Slog.wtf(TAG, "Package Manager Crash", e); 1931 } 1932 throw e; 1933 } 1934 } 1935 1936 void cleanupInstallFailedPackage(PackageSetting ps) { 1937 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1938 1939 removeDataDirsLI(ps.name); 1940 if (ps.codePath != null) { 1941 if (ps.codePath.isDirectory()) { 1942 FileUtils.deleteContents(ps.codePath); 1943 } 1944 ps.codePath.delete(); 1945 } 1946 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1947 if (ps.resourcePath.isDirectory()) { 1948 FileUtils.deleteContents(ps.resourcePath); 1949 } 1950 ps.resourcePath.delete(); 1951 } 1952 mSettings.removePackageLPw(ps.name); 1953 } 1954 1955 static int[] appendInts(int[] cur, int[] add) { 1956 if (add == null) return cur; 1957 if (cur == null) return add; 1958 final int N = add.length; 1959 for (int i=0; i<N; i++) { 1960 cur = appendInt(cur, add[i]); 1961 } 1962 return cur; 1963 } 1964 1965 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1966 if (!sUserManager.exists(userId)) return null; 1967 final PackageSetting ps = (PackageSetting) p.mExtras; 1968 if (ps == null) { 1969 return null; 1970 } 1971 1972 final PermissionsState permissionsState = ps.getPermissionsState(); 1973 1974 final int[] gids = permissionsState.computeGids(userId); 1975 final Set<String> permissions = permissionsState.getPermissions(userId); 1976 final PackageUserState state = ps.readUserState(userId); 1977 1978 return PackageParser.generatePackageInfo(p, gids, flags, 1979 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 1980 } 1981 1982 @Override 1983 public boolean isPackageAvailable(String packageName, int userId) { 1984 if (!sUserManager.exists(userId)) return false; 1985 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1986 synchronized (mPackages) { 1987 PackageParser.Package p = mPackages.get(packageName); 1988 if (p != null) { 1989 final PackageSetting ps = (PackageSetting) p.mExtras; 1990 if (ps != null) { 1991 final PackageUserState state = ps.readUserState(userId); 1992 if (state != null) { 1993 return PackageParser.isAvailable(state); 1994 } 1995 } 1996 } 1997 } 1998 return false; 1999 } 2000 2001 @Override 2002 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2003 if (!sUserManager.exists(userId)) return null; 2004 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2005 // reader 2006 synchronized (mPackages) { 2007 PackageParser.Package p = mPackages.get(packageName); 2008 if (DEBUG_PACKAGE_INFO) 2009 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2010 if (p != null) { 2011 return generatePackageInfo(p, flags, userId); 2012 } 2013 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2014 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2015 } 2016 } 2017 return null; 2018 } 2019 2020 @Override 2021 public String[] currentToCanonicalPackageNames(String[] names) { 2022 String[] out = new String[names.length]; 2023 // reader 2024 synchronized (mPackages) { 2025 for (int i=names.length-1; i>=0; i--) { 2026 PackageSetting ps = mSettings.mPackages.get(names[i]); 2027 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2028 } 2029 } 2030 return out; 2031 } 2032 2033 @Override 2034 public String[] canonicalToCurrentPackageNames(String[] names) { 2035 String[] out = new String[names.length]; 2036 // reader 2037 synchronized (mPackages) { 2038 for (int i=names.length-1; i>=0; i--) { 2039 String cur = mSettings.mRenamedPackages.get(names[i]); 2040 out[i] = cur != null ? cur : names[i]; 2041 } 2042 } 2043 return out; 2044 } 2045 2046 @Override 2047 public int getPackageUid(String packageName, int userId) { 2048 if (!sUserManager.exists(userId)) return -1; 2049 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2050 2051 // reader 2052 synchronized (mPackages) { 2053 PackageParser.Package p = mPackages.get(packageName); 2054 if(p != null) { 2055 return UserHandle.getUid(userId, p.applicationInfo.uid); 2056 } 2057 PackageSetting ps = mSettings.mPackages.get(packageName); 2058 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2059 return -1; 2060 } 2061 p = ps.pkg; 2062 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2063 } 2064 } 2065 2066 @Override 2067 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2068 if (!sUserManager.exists(userId)) { 2069 return null; 2070 } 2071 2072 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2073 "getPackageGids"); 2074 2075 // reader 2076 synchronized (mPackages) { 2077 PackageParser.Package p = mPackages.get(packageName); 2078 if (DEBUG_PACKAGE_INFO) { 2079 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2080 } 2081 if (p != null) { 2082 PackageSetting ps = (PackageSetting) p.mExtras; 2083 return ps.getPermissionsState().computeGids(userId); 2084 } 2085 } 2086 2087 return null; 2088 } 2089 2090 static PermissionInfo generatePermissionInfo( 2091 BasePermission bp, int flags) { 2092 if (bp.perm != null) { 2093 return PackageParser.generatePermissionInfo(bp.perm, flags); 2094 } 2095 PermissionInfo pi = new PermissionInfo(); 2096 pi.name = bp.name; 2097 pi.packageName = bp.sourcePackage; 2098 pi.nonLocalizedLabel = bp.name; 2099 pi.protectionLevel = bp.protectionLevel; 2100 return pi; 2101 } 2102 2103 @Override 2104 public PermissionInfo getPermissionInfo(String name, int flags) { 2105 // reader 2106 synchronized (mPackages) { 2107 final BasePermission p = mSettings.mPermissions.get(name); 2108 if (p != null) { 2109 return generatePermissionInfo(p, flags); 2110 } 2111 return null; 2112 } 2113 } 2114 2115 @Override 2116 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2117 // reader 2118 synchronized (mPackages) { 2119 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2120 for (BasePermission p : mSettings.mPermissions.values()) { 2121 if (group == null) { 2122 if (p.perm == null || p.perm.info.group == null) { 2123 out.add(generatePermissionInfo(p, flags)); 2124 } 2125 } else { 2126 if (p.perm != null && group.equals(p.perm.info.group)) { 2127 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2128 } 2129 } 2130 } 2131 2132 if (out.size() > 0) { 2133 return out; 2134 } 2135 return mPermissionGroups.containsKey(group) ? out : null; 2136 } 2137 } 2138 2139 @Override 2140 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2141 // reader 2142 synchronized (mPackages) { 2143 return PackageParser.generatePermissionGroupInfo( 2144 mPermissionGroups.get(name), flags); 2145 } 2146 } 2147 2148 @Override 2149 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2150 // reader 2151 synchronized (mPackages) { 2152 final int N = mPermissionGroups.size(); 2153 ArrayList<PermissionGroupInfo> out 2154 = new ArrayList<PermissionGroupInfo>(N); 2155 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2156 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2157 } 2158 return out; 2159 } 2160 } 2161 2162 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2163 int userId) { 2164 if (!sUserManager.exists(userId)) return null; 2165 PackageSetting ps = mSettings.mPackages.get(packageName); 2166 if (ps != null) { 2167 if (ps.pkg == null) { 2168 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2169 flags, userId); 2170 if (pInfo != null) { 2171 return pInfo.applicationInfo; 2172 } 2173 return null; 2174 } 2175 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2176 ps.readUserState(userId), userId); 2177 } 2178 return null; 2179 } 2180 2181 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2182 int userId) { 2183 if (!sUserManager.exists(userId)) return null; 2184 PackageSetting ps = mSettings.mPackages.get(packageName); 2185 if (ps != null) { 2186 PackageParser.Package pkg = ps.pkg; 2187 if (pkg == null) { 2188 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2189 return null; 2190 } 2191 // Only data remains, so we aren't worried about code paths 2192 pkg = new PackageParser.Package(packageName); 2193 pkg.applicationInfo.packageName = packageName; 2194 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2195 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2196 pkg.applicationInfo.dataDir = 2197 getDataPathForPackage(packageName, 0).getPath(); 2198 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2199 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2200 } 2201 return generatePackageInfo(pkg, flags, userId); 2202 } 2203 return null; 2204 } 2205 2206 @Override 2207 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2208 if (!sUserManager.exists(userId)) return null; 2209 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2210 // writer 2211 synchronized (mPackages) { 2212 PackageParser.Package p = mPackages.get(packageName); 2213 if (DEBUG_PACKAGE_INFO) Log.v( 2214 TAG, "getApplicationInfo " + packageName 2215 + ": " + p); 2216 if (p != null) { 2217 PackageSetting ps = mSettings.mPackages.get(packageName); 2218 if (ps == null) return null; 2219 // Note: isEnabledLP() does not apply here - always return info 2220 return PackageParser.generateApplicationInfo( 2221 p, flags, ps.readUserState(userId), userId); 2222 } 2223 if ("android".equals(packageName)||"system".equals(packageName)) { 2224 return mAndroidApplication; 2225 } 2226 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2227 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2228 } 2229 } 2230 return null; 2231 } 2232 2233 2234 @Override 2235 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2236 mContext.enforceCallingOrSelfPermission( 2237 android.Manifest.permission.CLEAR_APP_CACHE, null); 2238 // Queue up an async operation since clearing cache may take a little while. 2239 mHandler.post(new Runnable() { 2240 public void run() { 2241 mHandler.removeCallbacks(this); 2242 int retCode = -1; 2243 synchronized (mInstallLock) { 2244 retCode = mInstaller.freeCache(freeStorageSize); 2245 if (retCode < 0) { 2246 Slog.w(TAG, "Couldn't clear application caches"); 2247 } 2248 } 2249 if (observer != null) { 2250 try { 2251 observer.onRemoveCompleted(null, (retCode >= 0)); 2252 } catch (RemoteException e) { 2253 Slog.w(TAG, "RemoveException when invoking call back"); 2254 } 2255 } 2256 } 2257 }); 2258 } 2259 2260 @Override 2261 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2262 mContext.enforceCallingOrSelfPermission( 2263 android.Manifest.permission.CLEAR_APP_CACHE, null); 2264 // Queue up an async operation since clearing cache may take a little while. 2265 mHandler.post(new Runnable() { 2266 public void run() { 2267 mHandler.removeCallbacks(this); 2268 int retCode = -1; 2269 synchronized (mInstallLock) { 2270 retCode = mInstaller.freeCache(freeStorageSize); 2271 if (retCode < 0) { 2272 Slog.w(TAG, "Couldn't clear application caches"); 2273 } 2274 } 2275 if(pi != null) { 2276 try { 2277 // Callback via pending intent 2278 int code = (retCode >= 0) ? 1 : 0; 2279 pi.sendIntent(null, code, null, 2280 null, null); 2281 } catch (SendIntentException e1) { 2282 Slog.i(TAG, "Failed to send pending intent"); 2283 } 2284 } 2285 } 2286 }); 2287 } 2288 2289 void freeStorage(long freeStorageSize) throws IOException { 2290 synchronized (mInstallLock) { 2291 if (mInstaller.freeCache(freeStorageSize) < 0) { 2292 throw new IOException("Failed to free enough space"); 2293 } 2294 } 2295 } 2296 2297 @Override 2298 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2299 if (!sUserManager.exists(userId)) return null; 2300 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2301 synchronized (mPackages) { 2302 PackageParser.Activity a = mActivities.mActivities.get(component); 2303 2304 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2305 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2306 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2307 if (ps == null) return null; 2308 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2309 userId); 2310 } 2311 if (mResolveComponentName.equals(component)) { 2312 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2313 new PackageUserState(), userId); 2314 } 2315 } 2316 return null; 2317 } 2318 2319 @Override 2320 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2321 String resolvedType) { 2322 synchronized (mPackages) { 2323 PackageParser.Activity a = mActivities.mActivities.get(component); 2324 if (a == null) { 2325 return false; 2326 } 2327 for (int i=0; i<a.intents.size(); i++) { 2328 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2329 intent.getData(), intent.getCategories(), TAG) >= 0) { 2330 return true; 2331 } 2332 } 2333 return false; 2334 } 2335 } 2336 2337 @Override 2338 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2339 if (!sUserManager.exists(userId)) return null; 2340 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2341 synchronized (mPackages) { 2342 PackageParser.Activity a = mReceivers.mActivities.get(component); 2343 if (DEBUG_PACKAGE_INFO) Log.v( 2344 TAG, "getReceiverInfo " + component + ": " + a); 2345 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2346 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2347 if (ps == null) return null; 2348 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2349 userId); 2350 } 2351 } 2352 return null; 2353 } 2354 2355 @Override 2356 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2357 if (!sUserManager.exists(userId)) return null; 2358 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2359 synchronized (mPackages) { 2360 PackageParser.Service s = mServices.mServices.get(component); 2361 if (DEBUG_PACKAGE_INFO) Log.v( 2362 TAG, "getServiceInfo " + component + ": " + s); 2363 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2364 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2365 if (ps == null) return null; 2366 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2367 userId); 2368 } 2369 } 2370 return null; 2371 } 2372 2373 @Override 2374 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2375 if (!sUserManager.exists(userId)) return null; 2376 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2377 synchronized (mPackages) { 2378 PackageParser.Provider p = mProviders.mProviders.get(component); 2379 if (DEBUG_PACKAGE_INFO) Log.v( 2380 TAG, "getProviderInfo " + component + ": " + p); 2381 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2382 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2383 if (ps == null) return null; 2384 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2385 userId); 2386 } 2387 } 2388 return null; 2389 } 2390 2391 @Override 2392 public String[] getSystemSharedLibraryNames() { 2393 Set<String> libSet; 2394 synchronized (mPackages) { 2395 libSet = mSharedLibraries.keySet(); 2396 int size = libSet.size(); 2397 if (size > 0) { 2398 String[] libs = new String[size]; 2399 libSet.toArray(libs); 2400 return libs; 2401 } 2402 } 2403 return null; 2404 } 2405 2406 /** 2407 * @hide 2408 */ 2409 PackageParser.Package findSharedNonSystemLibrary(String libName) { 2410 synchronized (mPackages) { 2411 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 2412 if (lib != null && lib.apk != null) { 2413 return mPackages.get(lib.apk); 2414 } 2415 } 2416 return null; 2417 } 2418 2419 @Override 2420 public FeatureInfo[] getSystemAvailableFeatures() { 2421 Collection<FeatureInfo> featSet; 2422 synchronized (mPackages) { 2423 featSet = mAvailableFeatures.values(); 2424 int size = featSet.size(); 2425 if (size > 0) { 2426 FeatureInfo[] features = new FeatureInfo[size+1]; 2427 featSet.toArray(features); 2428 FeatureInfo fi = new FeatureInfo(); 2429 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2430 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2431 features[size] = fi; 2432 return features; 2433 } 2434 } 2435 return null; 2436 } 2437 2438 @Override 2439 public boolean hasSystemFeature(String name) { 2440 synchronized (mPackages) { 2441 return mAvailableFeatures.containsKey(name); 2442 } 2443 } 2444 2445 private void checkValidCaller(int uid, int userId) { 2446 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2447 return; 2448 2449 throw new SecurityException("Caller uid=" + uid 2450 + " is not privileged to communicate with user=" + userId); 2451 } 2452 2453 @Override 2454 public int checkPermission(String permName, String pkgName, int userId) { 2455 if (!sUserManager.exists(userId)) { 2456 return PackageManager.PERMISSION_DENIED; 2457 } 2458 2459 synchronized (mPackages) { 2460 final PackageParser.Package p = mPackages.get(pkgName); 2461 if (p != null && p.mExtras != null) { 2462 final PackageSetting ps = (PackageSetting) p.mExtras; 2463 if (ps.getPermissionsState().hasPermission(permName, userId)) { 2464 return PackageManager.PERMISSION_GRANTED; 2465 } 2466 } 2467 } 2468 2469 return PackageManager.PERMISSION_DENIED; 2470 } 2471 2472 @Override 2473 public int checkUidPermission(String permName, int uid) { 2474 final int userId = UserHandle.getUserId(uid); 2475 2476 if (!sUserManager.exists(userId)) { 2477 return PackageManager.PERMISSION_DENIED; 2478 } 2479 2480 synchronized (mPackages) { 2481 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2482 if (obj != null) { 2483 final SettingBase ps = (SettingBase) obj; 2484 if (ps.getPermissionsState().hasPermission(permName, userId)) { 2485 return PackageManager.PERMISSION_GRANTED; 2486 } 2487 } else { 2488 ArraySet<String> perms = mSystemPermissions.get(uid); 2489 if (perms != null && perms.contains(permName)) { 2490 return PackageManager.PERMISSION_GRANTED; 2491 } 2492 } 2493 } 2494 2495 return PackageManager.PERMISSION_DENIED; 2496 } 2497 2498 /** 2499 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2500 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2501 * @param checkShell TODO(yamasani): 2502 * @param message the message to log on security exception 2503 */ 2504 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2505 boolean checkShell, String message) { 2506 if (userId < 0) { 2507 throw new IllegalArgumentException("Invalid userId " + userId); 2508 } 2509 if (checkShell) { 2510 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2511 } 2512 if (userId == UserHandle.getUserId(callingUid)) return; 2513 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2514 if (requireFullPermission) { 2515 mContext.enforceCallingOrSelfPermission( 2516 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2517 } else { 2518 try { 2519 mContext.enforceCallingOrSelfPermission( 2520 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2521 } catch (SecurityException se) { 2522 mContext.enforceCallingOrSelfPermission( 2523 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2524 } 2525 } 2526 } 2527 } 2528 2529 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2530 if (callingUid == Process.SHELL_UID) { 2531 if (userHandle >= 0 2532 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2533 throw new SecurityException("Shell does not have permission to access user " 2534 + userHandle); 2535 } else if (userHandle < 0) { 2536 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2537 + Debug.getCallers(3)); 2538 } 2539 } 2540 } 2541 2542 private BasePermission findPermissionTreeLP(String permName) { 2543 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2544 if (permName.startsWith(bp.name) && 2545 permName.length() > bp.name.length() && 2546 permName.charAt(bp.name.length()) == '.') { 2547 return bp; 2548 } 2549 } 2550 return null; 2551 } 2552 2553 private BasePermission checkPermissionTreeLP(String permName) { 2554 if (permName != null) { 2555 BasePermission bp = findPermissionTreeLP(permName); 2556 if (bp != null) { 2557 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2558 return bp; 2559 } 2560 throw new SecurityException("Calling uid " 2561 + Binder.getCallingUid() 2562 + " is not allowed to add to permission tree " 2563 + bp.name + " owned by uid " + bp.uid); 2564 } 2565 } 2566 throw new SecurityException("No permission tree found for " + permName); 2567 } 2568 2569 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2570 if (s1 == null) { 2571 return s2 == null; 2572 } 2573 if (s2 == null) { 2574 return false; 2575 } 2576 if (s1.getClass() != s2.getClass()) { 2577 return false; 2578 } 2579 return s1.equals(s2); 2580 } 2581 2582 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2583 if (pi1.icon != pi2.icon) return false; 2584 if (pi1.logo != pi2.logo) return false; 2585 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2586 if (!compareStrings(pi1.name, pi2.name)) return false; 2587 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2588 // We'll take care of setting this one. 2589 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2590 // These are not currently stored in settings. 2591 //if (!compareStrings(pi1.group, pi2.group)) return false; 2592 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2593 //if (pi1.labelRes != pi2.labelRes) return false; 2594 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2595 return true; 2596 } 2597 2598 int permissionInfoFootprint(PermissionInfo info) { 2599 int size = info.name.length(); 2600 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2601 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2602 return size; 2603 } 2604 2605 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2606 int size = 0; 2607 for (BasePermission perm : mSettings.mPermissions.values()) { 2608 if (perm.uid == tree.uid) { 2609 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2610 } 2611 } 2612 return size; 2613 } 2614 2615 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2616 // We calculate the max size of permissions defined by this uid and throw 2617 // if that plus the size of 'info' would exceed our stated maximum. 2618 if (tree.uid != Process.SYSTEM_UID) { 2619 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2620 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2621 throw new SecurityException("Permission tree size cap exceeded"); 2622 } 2623 } 2624 } 2625 2626 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2627 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2628 throw new SecurityException("Label must be specified in permission"); 2629 } 2630 BasePermission tree = checkPermissionTreeLP(info.name); 2631 BasePermission bp = mSettings.mPermissions.get(info.name); 2632 boolean added = bp == null; 2633 boolean changed = true; 2634 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2635 if (added) { 2636 enforcePermissionCapLocked(info, tree); 2637 bp = new BasePermission(info.name, tree.sourcePackage, 2638 BasePermission.TYPE_DYNAMIC); 2639 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2640 throw new SecurityException( 2641 "Not allowed to modify non-dynamic permission " 2642 + info.name); 2643 } else { 2644 if (bp.protectionLevel == fixedLevel 2645 && bp.perm.owner.equals(tree.perm.owner) 2646 && bp.uid == tree.uid 2647 && comparePermissionInfos(bp.perm.info, info)) { 2648 changed = false; 2649 } 2650 } 2651 bp.protectionLevel = fixedLevel; 2652 info = new PermissionInfo(info); 2653 info.protectionLevel = fixedLevel; 2654 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2655 bp.perm.info.packageName = tree.perm.info.packageName; 2656 bp.uid = tree.uid; 2657 if (added) { 2658 mSettings.mPermissions.put(info.name, bp); 2659 } 2660 if (changed) { 2661 if (!async) { 2662 mSettings.writeLPr(); 2663 } else { 2664 scheduleWriteSettingsLocked(); 2665 } 2666 } 2667 return added; 2668 } 2669 2670 @Override 2671 public boolean addPermission(PermissionInfo info) { 2672 synchronized (mPackages) { 2673 return addPermissionLocked(info, false); 2674 } 2675 } 2676 2677 @Override 2678 public boolean addPermissionAsync(PermissionInfo info) { 2679 synchronized (mPackages) { 2680 return addPermissionLocked(info, true); 2681 } 2682 } 2683 2684 @Override 2685 public void removePermission(String name) { 2686 synchronized (mPackages) { 2687 checkPermissionTreeLP(name); 2688 BasePermission bp = mSettings.mPermissions.get(name); 2689 if (bp != null) { 2690 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2691 throw new SecurityException( 2692 "Not allowed to modify non-dynamic permission " 2693 + name); 2694 } 2695 mSettings.mPermissions.remove(name); 2696 mSettings.writeLPr(); 2697 } 2698 } 2699 } 2700 2701 private static void enforceDeclaredAsUsedAndRuntimePermission(PackageParser.Package pkg, 2702 BasePermission bp) { 2703 int index = pkg.requestedPermissions.indexOf(bp.name); 2704 if (index == -1) { 2705 throw new SecurityException("Package " + pkg.packageName 2706 + " has not requested permission " + bp.name); 2707 } 2708 if (!bp.isRuntime()) { 2709 throw new SecurityException("Permission " + bp.name 2710 + " is not a changeable permission type"); 2711 } 2712 } 2713 2714 @Override 2715 public boolean grantPermission(String packageName, String name, int userId) { 2716 if (!sUserManager.exists(userId)) { 2717 return false; 2718 } 2719 2720 mContext.enforceCallingOrSelfPermission( 2721 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 2722 "grantPermission"); 2723 2724 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 2725 "grantPermission"); 2726 2727 synchronized (mPackages) { 2728 final PackageParser.Package pkg = mPackages.get(packageName); 2729 if (pkg == null) { 2730 throw new IllegalArgumentException("Unknown package: " + packageName); 2731 } 2732 2733 final BasePermission bp = mSettings.mPermissions.get(name); 2734 if (bp == null) { 2735 throw new IllegalArgumentException("Unknown permission: " + name); 2736 } 2737 2738 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 2739 2740 final SettingBase sb = (SettingBase) pkg.mExtras; 2741 if (sb == null) { 2742 throw new IllegalArgumentException("Unknown package: " + packageName); 2743 } 2744 2745 final PermissionsState permissionsState = sb.getPermissionsState(); 2746 2747 final int result = permissionsState.grantRuntimePermission(bp, userId); 2748 switch (result) { 2749 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 2750 return false; 2751 } 2752 2753 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 2754 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_GIDS_CHANGED); 2755 } break; 2756 } 2757 2758 // Not critical if that is lost - app has to request again. 2759 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 2760 2761 return true; 2762 } 2763 } 2764 2765 @Override 2766 public boolean revokePermission(String packageName, String name, int userId) { 2767 if (!sUserManager.exists(userId)) { 2768 return false; 2769 } 2770 2771 mContext.enforceCallingOrSelfPermission( 2772 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 2773 "revokePermission"); 2774 2775 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 2776 "revokePermission"); 2777 2778 synchronized (mPackages) { 2779 final PackageParser.Package pkg = mPackages.get(packageName); 2780 if (pkg == null) { 2781 throw new IllegalArgumentException("Unknown package: " + packageName); 2782 } 2783 2784 final BasePermission bp = mSettings.mPermissions.get(name); 2785 if (bp == null) { 2786 throw new IllegalArgumentException("Unknown permission: " + name); 2787 } 2788 2789 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 2790 2791 final SettingBase sb = (SettingBase) pkg.mExtras; 2792 if (sb == null) { 2793 throw new IllegalArgumentException("Unknown package: " + packageName); 2794 } 2795 2796 final PermissionsState permissionsState = sb.getPermissionsState(); 2797 2798 if (permissionsState.revokeRuntimePermission(bp, userId) == 2799 PermissionsState.PERMISSION_OPERATION_FAILURE) { 2800 return false; 2801 } 2802 2803 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 2804 2805 // Critical, after this call all should never have the permission. 2806 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 2807 2808 return true; 2809 } 2810 } 2811 2812 @Override 2813 public boolean isProtectedBroadcast(String actionName) { 2814 synchronized (mPackages) { 2815 return mProtectedBroadcasts.contains(actionName); 2816 } 2817 } 2818 2819 @Override 2820 public int checkSignatures(String pkg1, String pkg2) { 2821 synchronized (mPackages) { 2822 final PackageParser.Package p1 = mPackages.get(pkg1); 2823 final PackageParser.Package p2 = mPackages.get(pkg2); 2824 if (p1 == null || p1.mExtras == null 2825 || p2 == null || p2.mExtras == null) { 2826 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2827 } 2828 return compareSignatures(p1.mSignatures, p2.mSignatures); 2829 } 2830 } 2831 2832 @Override 2833 public int checkUidSignatures(int uid1, int uid2) { 2834 // Map to base uids. 2835 uid1 = UserHandle.getAppId(uid1); 2836 uid2 = UserHandle.getAppId(uid2); 2837 // reader 2838 synchronized (mPackages) { 2839 Signature[] s1; 2840 Signature[] s2; 2841 Object obj = mSettings.getUserIdLPr(uid1); 2842 if (obj != null) { 2843 if (obj instanceof SharedUserSetting) { 2844 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2845 } else if (obj instanceof PackageSetting) { 2846 s1 = ((PackageSetting)obj).signatures.mSignatures; 2847 } else { 2848 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2849 } 2850 } else { 2851 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2852 } 2853 obj = mSettings.getUserIdLPr(uid2); 2854 if (obj != null) { 2855 if (obj instanceof SharedUserSetting) { 2856 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2857 } else if (obj instanceof PackageSetting) { 2858 s2 = ((PackageSetting)obj).signatures.mSignatures; 2859 } else { 2860 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2861 } 2862 } else { 2863 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2864 } 2865 return compareSignatures(s1, s2); 2866 } 2867 } 2868 2869 private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) { 2870 final long identity = Binder.clearCallingIdentity(); 2871 try { 2872 if (sb instanceof SharedUserSetting) { 2873 SharedUserSetting sus = (SharedUserSetting) sb; 2874 final int packageCount = sus.packages.size(); 2875 for (int i = 0; i < packageCount; i++) { 2876 PackageSetting susPs = sus.packages.valueAt(i); 2877 if (userId == UserHandle.USER_ALL) { 2878 killApplication(susPs.pkg.packageName, susPs.appId, reason); 2879 } else { 2880 final int uid = UserHandle.getUid(userId, susPs.appId); 2881 killUid(uid, reason); 2882 } 2883 } 2884 } else if (sb instanceof PackageSetting) { 2885 PackageSetting ps = (PackageSetting) sb; 2886 if (userId == UserHandle.USER_ALL) { 2887 killApplication(ps.pkg.packageName, ps.appId, reason); 2888 } else { 2889 final int uid = UserHandle.getUid(userId, ps.appId); 2890 killUid(uid, reason); 2891 } 2892 } 2893 } finally { 2894 Binder.restoreCallingIdentity(identity); 2895 } 2896 } 2897 2898 private static void killUid(int uid, String reason) { 2899 IActivityManager am = ActivityManagerNative.getDefault(); 2900 if (am != null) { 2901 try { 2902 am.killUid(uid, reason); 2903 } catch (RemoteException e) { 2904 /* ignore - same process */ 2905 } 2906 } 2907 } 2908 2909 /** 2910 * Compares two sets of signatures. Returns: 2911 * <br /> 2912 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2913 * <br /> 2914 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2915 * <br /> 2916 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2917 * <br /> 2918 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2919 * <br /> 2920 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2921 */ 2922 static int compareSignatures(Signature[] s1, Signature[] s2) { 2923 if (s1 == null) { 2924 return s2 == null 2925 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2926 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2927 } 2928 2929 if (s2 == null) { 2930 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2931 } 2932 2933 if (s1.length != s2.length) { 2934 return PackageManager.SIGNATURE_NO_MATCH; 2935 } 2936 2937 // Since both signature sets are of size 1, we can compare without HashSets. 2938 if (s1.length == 1) { 2939 return s1[0].equals(s2[0]) ? 2940 PackageManager.SIGNATURE_MATCH : 2941 PackageManager.SIGNATURE_NO_MATCH; 2942 } 2943 2944 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2945 for (Signature sig : s1) { 2946 set1.add(sig); 2947 } 2948 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2949 for (Signature sig : s2) { 2950 set2.add(sig); 2951 } 2952 // Make sure s2 contains all signatures in s1. 2953 if (set1.equals(set2)) { 2954 return PackageManager.SIGNATURE_MATCH; 2955 } 2956 return PackageManager.SIGNATURE_NO_MATCH; 2957 } 2958 2959 /** 2960 * If the database version for this type of package (internal storage or 2961 * external storage) is less than the version where package signatures 2962 * were updated, return true. 2963 */ 2964 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2965 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2966 DatabaseVersion.SIGNATURE_END_ENTITY)) 2967 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2968 DatabaseVersion.SIGNATURE_END_ENTITY)); 2969 } 2970 2971 /** 2972 * Used for backward compatibility to make sure any packages with 2973 * certificate chains get upgraded to the new style. {@code existingSigs} 2974 * will be in the old format (since they were stored on disk from before the 2975 * system upgrade) and {@code scannedSigs} will be in the newer format. 2976 */ 2977 private int compareSignaturesCompat(PackageSignatures existingSigs, 2978 PackageParser.Package scannedPkg) { 2979 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2980 return PackageManager.SIGNATURE_NO_MATCH; 2981 } 2982 2983 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2984 for (Signature sig : existingSigs.mSignatures) { 2985 existingSet.add(sig); 2986 } 2987 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2988 for (Signature sig : scannedPkg.mSignatures) { 2989 try { 2990 Signature[] chainSignatures = sig.getChainSignatures(); 2991 for (Signature chainSig : chainSignatures) { 2992 scannedCompatSet.add(chainSig); 2993 } 2994 } catch (CertificateEncodingException e) { 2995 scannedCompatSet.add(sig); 2996 } 2997 } 2998 /* 2999 * Make sure the expanded scanned set contains all signatures in the 3000 * existing one. 3001 */ 3002 if (scannedCompatSet.equals(existingSet)) { 3003 // Migrate the old signatures to the new scheme. 3004 existingSigs.assignSignatures(scannedPkg.mSignatures); 3005 // The new KeySets will be re-added later in the scanning process. 3006 synchronized (mPackages) { 3007 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 3008 } 3009 return PackageManager.SIGNATURE_MATCH; 3010 } 3011 return PackageManager.SIGNATURE_NO_MATCH; 3012 } 3013 3014 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3015 if (isExternal(scannedPkg)) { 3016 return mSettings.isExternalDatabaseVersionOlderThan( 3017 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3018 } else { 3019 return mSettings.isInternalDatabaseVersionOlderThan( 3020 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3021 } 3022 } 3023 3024 private int compareSignaturesRecover(PackageSignatures existingSigs, 3025 PackageParser.Package scannedPkg) { 3026 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 3027 return PackageManager.SIGNATURE_NO_MATCH; 3028 } 3029 3030 String msg = null; 3031 try { 3032 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 3033 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 3034 + scannedPkg.packageName); 3035 return PackageManager.SIGNATURE_MATCH; 3036 } 3037 } catch (CertificateException e) { 3038 msg = e.getMessage(); 3039 } 3040 3041 logCriticalInfo(Log.INFO, 3042 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 3043 return PackageManager.SIGNATURE_NO_MATCH; 3044 } 3045 3046 @Override 3047 public String[] getPackagesForUid(int uid) { 3048 uid = UserHandle.getAppId(uid); 3049 // reader 3050 synchronized (mPackages) { 3051 Object obj = mSettings.getUserIdLPr(uid); 3052 if (obj instanceof SharedUserSetting) { 3053 final SharedUserSetting sus = (SharedUserSetting) obj; 3054 final int N = sus.packages.size(); 3055 final String[] res = new String[N]; 3056 final Iterator<PackageSetting> it = sus.packages.iterator(); 3057 int i = 0; 3058 while (it.hasNext()) { 3059 res[i++] = it.next().name; 3060 } 3061 return res; 3062 } else if (obj instanceof PackageSetting) { 3063 final PackageSetting ps = (PackageSetting) obj; 3064 return new String[] { ps.name }; 3065 } 3066 } 3067 return null; 3068 } 3069 3070 @Override 3071 public String getNameForUid(int uid) { 3072 // reader 3073 synchronized (mPackages) { 3074 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3075 if (obj instanceof SharedUserSetting) { 3076 final SharedUserSetting sus = (SharedUserSetting) obj; 3077 return sus.name + ":" + sus.userId; 3078 } else if (obj instanceof PackageSetting) { 3079 final PackageSetting ps = (PackageSetting) obj; 3080 return ps.name; 3081 } 3082 } 3083 return null; 3084 } 3085 3086 @Override 3087 public int getUidForSharedUser(String sharedUserName) { 3088 if(sharedUserName == null) { 3089 return -1; 3090 } 3091 // reader 3092 synchronized (mPackages) { 3093 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 3094 if (suid == null) { 3095 return -1; 3096 } 3097 return suid.userId; 3098 } 3099 } 3100 3101 @Override 3102 public int getFlagsForUid(int uid) { 3103 synchronized (mPackages) { 3104 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3105 if (obj instanceof SharedUserSetting) { 3106 final SharedUserSetting sus = (SharedUserSetting) obj; 3107 return sus.pkgFlags; 3108 } else if (obj instanceof PackageSetting) { 3109 final PackageSetting ps = (PackageSetting) obj; 3110 return ps.pkgFlags; 3111 } 3112 } 3113 return 0; 3114 } 3115 3116 @Override 3117 public int getPrivateFlagsForUid(int uid) { 3118 synchronized (mPackages) { 3119 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3120 if (obj instanceof SharedUserSetting) { 3121 final SharedUserSetting sus = (SharedUserSetting) obj; 3122 return sus.pkgPrivateFlags; 3123 } else if (obj instanceof PackageSetting) { 3124 final PackageSetting ps = (PackageSetting) obj; 3125 return ps.pkgPrivateFlags; 3126 } 3127 } 3128 return 0; 3129 } 3130 3131 @Override 3132 public boolean isUidPrivileged(int uid) { 3133 uid = UserHandle.getAppId(uid); 3134 // reader 3135 synchronized (mPackages) { 3136 Object obj = mSettings.getUserIdLPr(uid); 3137 if (obj instanceof SharedUserSetting) { 3138 final SharedUserSetting sus = (SharedUserSetting) obj; 3139 final Iterator<PackageSetting> it = sus.packages.iterator(); 3140 while (it.hasNext()) { 3141 if (it.next().isPrivileged()) { 3142 return true; 3143 } 3144 } 3145 } else if (obj instanceof PackageSetting) { 3146 final PackageSetting ps = (PackageSetting) obj; 3147 return ps.isPrivileged(); 3148 } 3149 } 3150 return false; 3151 } 3152 3153 @Override 3154 public String[] getAppOpPermissionPackages(String permissionName) { 3155 synchronized (mPackages) { 3156 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3157 if (pkgs == null) { 3158 return null; 3159 } 3160 return pkgs.toArray(new String[pkgs.size()]); 3161 } 3162 } 3163 3164 @Override 3165 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3166 int flags, int userId) { 3167 if (!sUserManager.exists(userId)) return null; 3168 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3169 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3170 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3171 } 3172 3173 @Override 3174 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3175 IntentFilter filter, int match, ComponentName activity) { 3176 final int userId = UserHandle.getCallingUserId(); 3177 if (DEBUG_PREFERRED) { 3178 Log.v(TAG, "setLastChosenActivity intent=" + intent 3179 + " resolvedType=" + resolvedType 3180 + " flags=" + flags 3181 + " filter=" + filter 3182 + " match=" + match 3183 + " activity=" + activity); 3184 filter.dump(new PrintStreamPrinter(System.out), " "); 3185 } 3186 intent.setComponent(null); 3187 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3188 // Find any earlier preferred or last chosen entries and nuke them 3189 findPreferredActivity(intent, resolvedType, 3190 flags, query, 0, false, true, false, userId); 3191 // Add the new activity as the last chosen for this filter 3192 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3193 "Setting last chosen"); 3194 } 3195 3196 @Override 3197 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3198 final int userId = UserHandle.getCallingUserId(); 3199 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3200 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3201 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3202 false, false, false, userId); 3203 } 3204 3205 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3206 int flags, List<ResolveInfo> query, int userId) { 3207 if (query != null) { 3208 final int N = query.size(); 3209 if (N == 1) { 3210 return query.get(0); 3211 } else if (N > 1) { 3212 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3213 // If there is more than one activity with the same priority, 3214 // then let the user decide between them. 3215 ResolveInfo r0 = query.get(0); 3216 ResolveInfo r1 = query.get(1); 3217 if (DEBUG_INTENT_MATCHING || debug) { 3218 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3219 + r1.activityInfo.name + "=" + r1.priority); 3220 } 3221 // If the first activity has a higher priority, or a different 3222 // default, then it is always desireable to pick it. 3223 if (r0.priority != r1.priority 3224 || r0.preferredOrder != r1.preferredOrder 3225 || r0.isDefault != r1.isDefault) { 3226 return query.get(0); 3227 } 3228 // If we have saved a preference for a preferred activity for 3229 // this Intent, use that. 3230 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3231 flags, query, r0.priority, true, false, debug, userId); 3232 if (ri != null) { 3233 return ri; 3234 } 3235 if (userId != 0) { 3236 ri = new ResolveInfo(mResolveInfo); 3237 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3238 ri.activityInfo.applicationInfo = new ApplicationInfo( 3239 ri.activityInfo.applicationInfo); 3240 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3241 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3242 return ri; 3243 } 3244 return mResolveInfo; 3245 } 3246 } 3247 return null; 3248 } 3249 3250 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3251 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3252 final int N = query.size(); 3253 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3254 .get(userId); 3255 // Get the list of persistent preferred activities that handle the intent 3256 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3257 List<PersistentPreferredActivity> pprefs = ppir != null 3258 ? ppir.queryIntent(intent, resolvedType, 3259 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3260 : null; 3261 if (pprefs != null && pprefs.size() > 0) { 3262 final int M = pprefs.size(); 3263 for (int i=0; i<M; i++) { 3264 final PersistentPreferredActivity ppa = pprefs.get(i); 3265 if (DEBUG_PREFERRED || debug) { 3266 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3267 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3268 + "\n component=" + ppa.mComponent); 3269 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3270 } 3271 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3272 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3273 if (DEBUG_PREFERRED || debug) { 3274 Slog.v(TAG, "Found persistent preferred activity:"); 3275 if (ai != null) { 3276 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3277 } else { 3278 Slog.v(TAG, " null"); 3279 } 3280 } 3281 if (ai == null) { 3282 // This previously registered persistent preferred activity 3283 // component is no longer known. Ignore it and do NOT remove it. 3284 continue; 3285 } 3286 for (int j=0; j<N; j++) { 3287 final ResolveInfo ri = query.get(j); 3288 if (!ri.activityInfo.applicationInfo.packageName 3289 .equals(ai.applicationInfo.packageName)) { 3290 continue; 3291 } 3292 if (!ri.activityInfo.name.equals(ai.name)) { 3293 continue; 3294 } 3295 // Found a persistent preference that can handle the intent. 3296 if (DEBUG_PREFERRED || debug) { 3297 Slog.v(TAG, "Returning persistent preferred activity: " + 3298 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3299 } 3300 return ri; 3301 } 3302 } 3303 } 3304 return null; 3305 } 3306 3307 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3308 List<ResolveInfo> query, int priority, boolean always, 3309 boolean removeMatches, boolean debug, int userId) { 3310 if (!sUserManager.exists(userId)) return null; 3311 // writer 3312 synchronized (mPackages) { 3313 if (intent.getSelector() != null) { 3314 intent = intent.getSelector(); 3315 } 3316 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3317 3318 // Try to find a matching persistent preferred activity. 3319 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3320 debug, userId); 3321 3322 // If a persistent preferred activity matched, use it. 3323 if (pri != null) { 3324 return pri; 3325 } 3326 3327 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3328 // Get the list of preferred activities that handle the intent 3329 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3330 List<PreferredActivity> prefs = pir != null 3331 ? pir.queryIntent(intent, resolvedType, 3332 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3333 : null; 3334 if (prefs != null && prefs.size() > 0) { 3335 boolean changed = false; 3336 try { 3337 // First figure out how good the original match set is. 3338 // We will only allow preferred activities that came 3339 // from the same match quality. 3340 int match = 0; 3341 3342 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3343 3344 final int N = query.size(); 3345 for (int j=0; j<N; j++) { 3346 final ResolveInfo ri = query.get(j); 3347 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3348 + ": 0x" + Integer.toHexString(match)); 3349 if (ri.match > match) { 3350 match = ri.match; 3351 } 3352 } 3353 3354 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3355 + Integer.toHexString(match)); 3356 3357 match &= IntentFilter.MATCH_CATEGORY_MASK; 3358 final int M = prefs.size(); 3359 for (int i=0; i<M; i++) { 3360 final PreferredActivity pa = prefs.get(i); 3361 if (DEBUG_PREFERRED || debug) { 3362 Slog.v(TAG, "Checking PreferredActivity ds=" 3363 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3364 + "\n component=" + pa.mPref.mComponent); 3365 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3366 } 3367 if (pa.mPref.mMatch != match) { 3368 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3369 + Integer.toHexString(pa.mPref.mMatch)); 3370 continue; 3371 } 3372 // If it's not an "always" type preferred activity and that's what we're 3373 // looking for, skip it. 3374 if (always && !pa.mPref.mAlways) { 3375 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3376 continue; 3377 } 3378 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3379 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3380 if (DEBUG_PREFERRED || debug) { 3381 Slog.v(TAG, "Found preferred activity:"); 3382 if (ai != null) { 3383 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3384 } else { 3385 Slog.v(TAG, " null"); 3386 } 3387 } 3388 if (ai == null) { 3389 // This previously registered preferred activity 3390 // component is no longer known. Most likely an update 3391 // to the app was installed and in the new version this 3392 // component no longer exists. Clean it up by removing 3393 // it from the preferred activities list, and skip it. 3394 Slog.w(TAG, "Removing dangling preferred activity: " 3395 + pa.mPref.mComponent); 3396 pir.removeFilter(pa); 3397 changed = true; 3398 continue; 3399 } 3400 for (int j=0; j<N; j++) { 3401 final ResolveInfo ri = query.get(j); 3402 if (!ri.activityInfo.applicationInfo.packageName 3403 .equals(ai.applicationInfo.packageName)) { 3404 continue; 3405 } 3406 if (!ri.activityInfo.name.equals(ai.name)) { 3407 continue; 3408 } 3409 3410 if (removeMatches) { 3411 pir.removeFilter(pa); 3412 changed = true; 3413 if (DEBUG_PREFERRED) { 3414 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3415 } 3416 break; 3417 } 3418 3419 // Okay we found a previously set preferred or last chosen app. 3420 // If the result set is different from when this 3421 // was created, we need to clear it and re-ask the 3422 // user their preference, if we're looking for an "always" type entry. 3423 if (always && !pa.mPref.sameSet(query)) { 3424 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3425 + intent + " type " + resolvedType); 3426 if (DEBUG_PREFERRED) { 3427 Slog.v(TAG, "Removing preferred activity since set changed " 3428 + pa.mPref.mComponent); 3429 } 3430 pir.removeFilter(pa); 3431 // Re-add the filter as a "last chosen" entry (!always) 3432 PreferredActivity lastChosen = new PreferredActivity( 3433 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3434 pir.addFilter(lastChosen); 3435 changed = true; 3436 return null; 3437 } 3438 3439 // Yay! Either the set matched or we're looking for the last chosen 3440 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3441 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3442 return ri; 3443 } 3444 } 3445 } finally { 3446 if (changed) { 3447 if (DEBUG_PREFERRED) { 3448 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3449 } 3450 scheduleWritePackageRestrictionsLocked(userId); 3451 } 3452 } 3453 } 3454 } 3455 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3456 return null; 3457 } 3458 3459 /* 3460 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3461 */ 3462 @Override 3463 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3464 int targetUserId) { 3465 mContext.enforceCallingOrSelfPermission( 3466 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3467 List<CrossProfileIntentFilter> matches = 3468 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3469 if (matches != null) { 3470 int size = matches.size(); 3471 for (int i = 0; i < size; i++) { 3472 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3473 } 3474 } 3475 return false; 3476 } 3477 3478 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3479 String resolvedType, int userId) { 3480 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3481 if (resolver != null) { 3482 return resolver.queryIntent(intent, resolvedType, false, userId); 3483 } 3484 return null; 3485 } 3486 3487 @Override 3488 public List<ResolveInfo> queryIntentActivities(Intent intent, 3489 String resolvedType, int flags, int userId) { 3490 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3491 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3492 ComponentName comp = intent.getComponent(); 3493 if (comp == null) { 3494 if (intent.getSelector() != null) { 3495 intent = intent.getSelector(); 3496 comp = intent.getComponent(); 3497 } 3498 } 3499 3500 if (comp != null) { 3501 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3502 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3503 if (ai != null) { 3504 final ResolveInfo ri = new ResolveInfo(); 3505 ri.activityInfo = ai; 3506 list.add(ri); 3507 } 3508 return list; 3509 } 3510 3511 // reader 3512 synchronized (mPackages) { 3513 final String pkgName = intent.getPackage(); 3514 if (pkgName == null) { 3515 List<CrossProfileIntentFilter> matchingFilters = 3516 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3517 // Check for results that need to skip the current profile. 3518 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3519 resolvedType, flags, userId); 3520 if (resolveInfo != null) { 3521 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3522 result.add(resolveInfo); 3523 return filterIfNotPrimaryUser(result, userId); 3524 } 3525 // Check for cross profile results. 3526 resolveInfo = queryCrossProfileIntents( 3527 matchingFilters, intent, resolvedType, flags, userId); 3528 3529 // Check for results in the current profile. 3530 List<ResolveInfo> result = mActivities.queryIntent( 3531 intent, resolvedType, flags, userId); 3532 if (resolveInfo != null) { 3533 result.add(resolveInfo); 3534 Collections.sort(result, mResolvePrioritySorter); 3535 } 3536 return filterIfNotPrimaryUser(result, userId); 3537 } 3538 final PackageParser.Package pkg = mPackages.get(pkgName); 3539 if (pkg != null) { 3540 return filterIfNotPrimaryUser( 3541 mActivities.queryIntentForPackage( 3542 intent, resolvedType, flags, pkg.activities, userId), 3543 userId); 3544 } 3545 return new ArrayList<ResolveInfo>(); 3546 } 3547 } 3548 3549 /** 3550 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 3551 * 3552 * @return filtered list 3553 */ 3554 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 3555 if (userId == UserHandle.USER_OWNER) { 3556 return resolveInfos; 3557 } 3558 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 3559 ResolveInfo info = resolveInfos.get(i); 3560 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 3561 resolveInfos.remove(i); 3562 } 3563 } 3564 return resolveInfos; 3565 } 3566 3567 3568 private ResolveInfo querySkipCurrentProfileIntents( 3569 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3570 int flags, int sourceUserId) { 3571 if (matchingFilters != null) { 3572 int size = matchingFilters.size(); 3573 for (int i = 0; i < size; i ++) { 3574 CrossProfileIntentFilter filter = matchingFilters.get(i); 3575 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3576 // Checking if there are activities in the target user that can handle the 3577 // intent. 3578 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3579 flags, sourceUserId); 3580 if (resolveInfo != null) { 3581 return resolveInfo; 3582 } 3583 } 3584 } 3585 } 3586 return null; 3587 } 3588 3589 // Return matching ResolveInfo if any for skip current profile intent filters. 3590 private ResolveInfo queryCrossProfileIntents( 3591 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3592 int flags, int sourceUserId) { 3593 if (matchingFilters != null) { 3594 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3595 // match the same intent. For performance reasons, it is better not to 3596 // run queryIntent twice for the same userId 3597 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3598 int size = matchingFilters.size(); 3599 for (int i = 0; i < size; i++) { 3600 CrossProfileIntentFilter filter = matchingFilters.get(i); 3601 int targetUserId = filter.getTargetUserId(); 3602 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3603 && !alreadyTriedUserIds.get(targetUserId)) { 3604 // Checking if there are activities in the target user that can handle the 3605 // intent. 3606 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3607 flags, sourceUserId); 3608 if (resolveInfo != null) return resolveInfo; 3609 alreadyTriedUserIds.put(targetUserId, true); 3610 } 3611 } 3612 } 3613 return null; 3614 } 3615 3616 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3617 String resolvedType, int flags, int sourceUserId) { 3618 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3619 resolvedType, flags, filter.getTargetUserId()); 3620 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3621 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3622 } 3623 return null; 3624 } 3625 3626 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3627 int sourceUserId, int targetUserId) { 3628 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3629 String className; 3630 if (targetUserId == UserHandle.USER_OWNER) { 3631 className = FORWARD_INTENT_TO_USER_OWNER; 3632 } else { 3633 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3634 } 3635 ComponentName forwardingActivityComponentName = new ComponentName( 3636 mAndroidApplication.packageName, className); 3637 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3638 sourceUserId); 3639 if (targetUserId == UserHandle.USER_OWNER) { 3640 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3641 forwardingResolveInfo.noResourceId = true; 3642 } 3643 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3644 forwardingResolveInfo.priority = 0; 3645 forwardingResolveInfo.preferredOrder = 0; 3646 forwardingResolveInfo.match = 0; 3647 forwardingResolveInfo.isDefault = true; 3648 forwardingResolveInfo.filter = filter; 3649 forwardingResolveInfo.targetUserId = targetUserId; 3650 return forwardingResolveInfo; 3651 } 3652 3653 @Override 3654 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3655 Intent[] specifics, String[] specificTypes, Intent intent, 3656 String resolvedType, int flags, int userId) { 3657 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3658 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3659 false, "query intent activity options"); 3660 final String resultsAction = intent.getAction(); 3661 3662 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3663 | PackageManager.GET_RESOLVED_FILTER, userId); 3664 3665 if (DEBUG_INTENT_MATCHING) { 3666 Log.v(TAG, "Query " + intent + ": " + results); 3667 } 3668 3669 int specificsPos = 0; 3670 int N; 3671 3672 // todo: note that the algorithm used here is O(N^2). This 3673 // isn't a problem in our current environment, but if we start running 3674 // into situations where we have more than 5 or 10 matches then this 3675 // should probably be changed to something smarter... 3676 3677 // First we go through and resolve each of the specific items 3678 // that were supplied, taking care of removing any corresponding 3679 // duplicate items in the generic resolve list. 3680 if (specifics != null) { 3681 for (int i=0; i<specifics.length; i++) { 3682 final Intent sintent = specifics[i]; 3683 if (sintent == null) { 3684 continue; 3685 } 3686 3687 if (DEBUG_INTENT_MATCHING) { 3688 Log.v(TAG, "Specific #" + i + ": " + sintent); 3689 } 3690 3691 String action = sintent.getAction(); 3692 if (resultsAction != null && resultsAction.equals(action)) { 3693 // If this action was explicitly requested, then don't 3694 // remove things that have it. 3695 action = null; 3696 } 3697 3698 ResolveInfo ri = null; 3699 ActivityInfo ai = null; 3700 3701 ComponentName comp = sintent.getComponent(); 3702 if (comp == null) { 3703 ri = resolveIntent( 3704 sintent, 3705 specificTypes != null ? specificTypes[i] : null, 3706 flags, userId); 3707 if (ri == null) { 3708 continue; 3709 } 3710 if (ri == mResolveInfo) { 3711 // ACK! Must do something better with this. 3712 } 3713 ai = ri.activityInfo; 3714 comp = new ComponentName(ai.applicationInfo.packageName, 3715 ai.name); 3716 } else { 3717 ai = getActivityInfo(comp, flags, userId); 3718 if (ai == null) { 3719 continue; 3720 } 3721 } 3722 3723 // Look for any generic query activities that are duplicates 3724 // of this specific one, and remove them from the results. 3725 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3726 N = results.size(); 3727 int j; 3728 for (j=specificsPos; j<N; j++) { 3729 ResolveInfo sri = results.get(j); 3730 if ((sri.activityInfo.name.equals(comp.getClassName()) 3731 && sri.activityInfo.applicationInfo.packageName.equals( 3732 comp.getPackageName())) 3733 || (action != null && sri.filter.matchAction(action))) { 3734 results.remove(j); 3735 if (DEBUG_INTENT_MATCHING) Log.v( 3736 TAG, "Removing duplicate item from " + j 3737 + " due to specific " + specificsPos); 3738 if (ri == null) { 3739 ri = sri; 3740 } 3741 j--; 3742 N--; 3743 } 3744 } 3745 3746 // Add this specific item to its proper place. 3747 if (ri == null) { 3748 ri = new ResolveInfo(); 3749 ri.activityInfo = ai; 3750 } 3751 results.add(specificsPos, ri); 3752 ri.specificIndex = i; 3753 specificsPos++; 3754 } 3755 } 3756 3757 // Now we go through the remaining generic results and remove any 3758 // duplicate actions that are found here. 3759 N = results.size(); 3760 for (int i=specificsPos; i<N-1; i++) { 3761 final ResolveInfo rii = results.get(i); 3762 if (rii.filter == null) { 3763 continue; 3764 } 3765 3766 // Iterate over all of the actions of this result's intent 3767 // filter... typically this should be just one. 3768 final Iterator<String> it = rii.filter.actionsIterator(); 3769 if (it == null) { 3770 continue; 3771 } 3772 while (it.hasNext()) { 3773 final String action = it.next(); 3774 if (resultsAction != null && resultsAction.equals(action)) { 3775 // If this action was explicitly requested, then don't 3776 // remove things that have it. 3777 continue; 3778 } 3779 for (int j=i+1; j<N; j++) { 3780 final ResolveInfo rij = results.get(j); 3781 if (rij.filter != null && rij.filter.hasAction(action)) { 3782 results.remove(j); 3783 if (DEBUG_INTENT_MATCHING) Log.v( 3784 TAG, "Removing duplicate item from " + j 3785 + " due to action " + action + " at " + i); 3786 j--; 3787 N--; 3788 } 3789 } 3790 } 3791 3792 // If the caller didn't request filter information, drop it now 3793 // so we don't have to marshall/unmarshall it. 3794 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3795 rii.filter = null; 3796 } 3797 } 3798 3799 // Filter out the caller activity if so requested. 3800 if (caller != null) { 3801 N = results.size(); 3802 for (int i=0; i<N; i++) { 3803 ActivityInfo ainfo = results.get(i).activityInfo; 3804 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3805 && caller.getClassName().equals(ainfo.name)) { 3806 results.remove(i); 3807 break; 3808 } 3809 } 3810 } 3811 3812 // If the caller didn't request filter information, 3813 // drop them now so we don't have to 3814 // marshall/unmarshall it. 3815 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3816 N = results.size(); 3817 for (int i=0; i<N; i++) { 3818 results.get(i).filter = null; 3819 } 3820 } 3821 3822 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3823 return results; 3824 } 3825 3826 @Override 3827 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3828 int userId) { 3829 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3830 ComponentName comp = intent.getComponent(); 3831 if (comp == null) { 3832 if (intent.getSelector() != null) { 3833 intent = intent.getSelector(); 3834 comp = intent.getComponent(); 3835 } 3836 } 3837 if (comp != null) { 3838 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3839 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3840 if (ai != null) { 3841 ResolveInfo ri = new ResolveInfo(); 3842 ri.activityInfo = ai; 3843 list.add(ri); 3844 } 3845 return list; 3846 } 3847 3848 // reader 3849 synchronized (mPackages) { 3850 String pkgName = intent.getPackage(); 3851 if (pkgName == null) { 3852 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3853 } 3854 final PackageParser.Package pkg = mPackages.get(pkgName); 3855 if (pkg != null) { 3856 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3857 userId); 3858 } 3859 return null; 3860 } 3861 } 3862 3863 @Override 3864 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3865 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3866 if (!sUserManager.exists(userId)) return null; 3867 if (query != null) { 3868 if (query.size() >= 1) { 3869 // If there is more than one service with the same priority, 3870 // just arbitrarily pick the first one. 3871 return query.get(0); 3872 } 3873 } 3874 return null; 3875 } 3876 3877 @Override 3878 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3879 int userId) { 3880 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3881 ComponentName comp = intent.getComponent(); 3882 if (comp == null) { 3883 if (intent.getSelector() != null) { 3884 intent = intent.getSelector(); 3885 comp = intent.getComponent(); 3886 } 3887 } 3888 if (comp != null) { 3889 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3890 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3891 if (si != null) { 3892 final ResolveInfo ri = new ResolveInfo(); 3893 ri.serviceInfo = si; 3894 list.add(ri); 3895 } 3896 return list; 3897 } 3898 3899 // reader 3900 synchronized (mPackages) { 3901 String pkgName = intent.getPackage(); 3902 if (pkgName == null) { 3903 return mServices.queryIntent(intent, resolvedType, flags, userId); 3904 } 3905 final PackageParser.Package pkg = mPackages.get(pkgName); 3906 if (pkg != null) { 3907 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3908 userId); 3909 } 3910 return null; 3911 } 3912 } 3913 3914 @Override 3915 public List<ResolveInfo> queryIntentContentProviders( 3916 Intent intent, String resolvedType, int flags, int userId) { 3917 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3918 ComponentName comp = intent.getComponent(); 3919 if (comp == null) { 3920 if (intent.getSelector() != null) { 3921 intent = intent.getSelector(); 3922 comp = intent.getComponent(); 3923 } 3924 } 3925 if (comp != null) { 3926 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3927 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3928 if (pi != null) { 3929 final ResolveInfo ri = new ResolveInfo(); 3930 ri.providerInfo = pi; 3931 list.add(ri); 3932 } 3933 return list; 3934 } 3935 3936 // reader 3937 synchronized (mPackages) { 3938 String pkgName = intent.getPackage(); 3939 if (pkgName == null) { 3940 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3941 } 3942 final PackageParser.Package pkg = mPackages.get(pkgName); 3943 if (pkg != null) { 3944 return mProviders.queryIntentForPackage( 3945 intent, resolvedType, flags, pkg.providers, userId); 3946 } 3947 return null; 3948 } 3949 } 3950 3951 @Override 3952 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3953 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3954 3955 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3956 3957 // writer 3958 synchronized (mPackages) { 3959 ArrayList<PackageInfo> list; 3960 if (listUninstalled) { 3961 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3962 for (PackageSetting ps : mSettings.mPackages.values()) { 3963 PackageInfo pi; 3964 if (ps.pkg != null) { 3965 pi = generatePackageInfo(ps.pkg, flags, userId); 3966 } else { 3967 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3968 } 3969 if (pi != null) { 3970 list.add(pi); 3971 } 3972 } 3973 } else { 3974 list = new ArrayList<PackageInfo>(mPackages.size()); 3975 for (PackageParser.Package p : mPackages.values()) { 3976 PackageInfo pi = generatePackageInfo(p, flags, userId); 3977 if (pi != null) { 3978 list.add(pi); 3979 } 3980 } 3981 } 3982 3983 return new ParceledListSlice<PackageInfo>(list); 3984 } 3985 } 3986 3987 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3988 String[] permissions, boolean[] tmp, int flags, int userId) { 3989 int numMatch = 0; 3990 final PermissionsState permissionsState = ps.getPermissionsState(); 3991 for (int i=0; i<permissions.length; i++) { 3992 final String permission = permissions[i]; 3993 if (permissionsState.hasPermission(permission, userId)) { 3994 tmp[i] = true; 3995 numMatch++; 3996 } else { 3997 tmp[i] = false; 3998 } 3999 } 4000 if (numMatch == 0) { 4001 return; 4002 } 4003 PackageInfo pi; 4004 if (ps.pkg != null) { 4005 pi = generatePackageInfo(ps.pkg, flags, userId); 4006 } else { 4007 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 4008 } 4009 // The above might return null in cases of uninstalled apps or install-state 4010 // skew across users/profiles. 4011 if (pi != null) { 4012 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 4013 if (numMatch == permissions.length) { 4014 pi.requestedPermissions = permissions; 4015 } else { 4016 pi.requestedPermissions = new String[numMatch]; 4017 numMatch = 0; 4018 for (int i=0; i<permissions.length; i++) { 4019 if (tmp[i]) { 4020 pi.requestedPermissions[numMatch] = permissions[i]; 4021 numMatch++; 4022 } 4023 } 4024 } 4025 } 4026 list.add(pi); 4027 } 4028 } 4029 4030 @Override 4031 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 4032 String[] permissions, int flags, int userId) { 4033 if (!sUserManager.exists(userId)) return null; 4034 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4035 4036 // writer 4037 synchronized (mPackages) { 4038 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 4039 boolean[] tmpBools = new boolean[permissions.length]; 4040 if (listUninstalled) { 4041 for (PackageSetting ps : mSettings.mPackages.values()) { 4042 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 4043 } 4044 } else { 4045 for (PackageParser.Package pkg : mPackages.values()) { 4046 PackageSetting ps = (PackageSetting)pkg.mExtras; 4047 if (ps != null) { 4048 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 4049 userId); 4050 } 4051 } 4052 } 4053 4054 return new ParceledListSlice<PackageInfo>(list); 4055 } 4056 } 4057 4058 @Override 4059 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 4060 if (!sUserManager.exists(userId)) return null; 4061 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4062 4063 // writer 4064 synchronized (mPackages) { 4065 ArrayList<ApplicationInfo> list; 4066 if (listUninstalled) { 4067 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 4068 for (PackageSetting ps : mSettings.mPackages.values()) { 4069 ApplicationInfo ai; 4070 if (ps.pkg != null) { 4071 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4072 ps.readUserState(userId), userId); 4073 } else { 4074 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 4075 } 4076 if (ai != null) { 4077 list.add(ai); 4078 } 4079 } 4080 } else { 4081 list = new ArrayList<ApplicationInfo>(mPackages.size()); 4082 for (PackageParser.Package p : mPackages.values()) { 4083 if (p.mExtras != null) { 4084 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4085 ((PackageSetting)p.mExtras).readUserState(userId), userId); 4086 if (ai != null) { 4087 list.add(ai); 4088 } 4089 } 4090 } 4091 } 4092 4093 return new ParceledListSlice<ApplicationInfo>(list); 4094 } 4095 } 4096 4097 public List<ApplicationInfo> getPersistentApplications(int flags) { 4098 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 4099 4100 // reader 4101 synchronized (mPackages) { 4102 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 4103 final int userId = UserHandle.getCallingUserId(); 4104 while (i.hasNext()) { 4105 final PackageParser.Package p = i.next(); 4106 if (p.applicationInfo != null 4107 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 4108 && (!mSafeMode || isSystemApp(p))) { 4109 PackageSetting ps = mSettings.mPackages.get(p.packageName); 4110 if (ps != null) { 4111 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4112 ps.readUserState(userId), userId); 4113 if (ai != null) { 4114 finalList.add(ai); 4115 } 4116 } 4117 } 4118 } 4119 } 4120 4121 return finalList; 4122 } 4123 4124 @Override 4125 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 4126 if (!sUserManager.exists(userId)) return null; 4127 // reader 4128 synchronized (mPackages) { 4129 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 4130 PackageSetting ps = provider != null 4131 ? mSettings.mPackages.get(provider.owner.packageName) 4132 : null; 4133 return ps != null 4134 && mSettings.isEnabledLPr(provider.info, flags, userId) 4135 && (!mSafeMode || (provider.info.applicationInfo.flags 4136 &ApplicationInfo.FLAG_SYSTEM) != 0) 4137 ? PackageParser.generateProviderInfo(provider, flags, 4138 ps.readUserState(userId), userId) 4139 : null; 4140 } 4141 } 4142 4143 /** 4144 * @deprecated 4145 */ 4146 @Deprecated 4147 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4148 // reader 4149 synchronized (mPackages) { 4150 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4151 .entrySet().iterator(); 4152 final int userId = UserHandle.getCallingUserId(); 4153 while (i.hasNext()) { 4154 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4155 PackageParser.Provider p = entry.getValue(); 4156 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4157 4158 if (ps != null && p.syncable 4159 && (!mSafeMode || (p.info.applicationInfo.flags 4160 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4161 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4162 ps.readUserState(userId), userId); 4163 if (info != null) { 4164 outNames.add(entry.getKey()); 4165 outInfo.add(info); 4166 } 4167 } 4168 } 4169 } 4170 } 4171 4172 @Override 4173 public List<ProviderInfo> queryContentProviders(String processName, 4174 int uid, int flags) { 4175 ArrayList<ProviderInfo> finalList = null; 4176 // reader 4177 synchronized (mPackages) { 4178 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4179 final int userId = processName != null ? 4180 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4181 while (i.hasNext()) { 4182 final PackageParser.Provider p = i.next(); 4183 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4184 if (ps != null && p.info.authority != null 4185 && (processName == null 4186 || (p.info.processName.equals(processName) 4187 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4188 && mSettings.isEnabledLPr(p.info, flags, userId) 4189 && (!mSafeMode 4190 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4191 if (finalList == null) { 4192 finalList = new ArrayList<ProviderInfo>(3); 4193 } 4194 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4195 ps.readUserState(userId), userId); 4196 if (info != null) { 4197 finalList.add(info); 4198 } 4199 } 4200 } 4201 } 4202 4203 if (finalList != null) { 4204 Collections.sort(finalList, mProviderInitOrderSorter); 4205 } 4206 4207 return finalList; 4208 } 4209 4210 @Override 4211 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4212 int flags) { 4213 // reader 4214 synchronized (mPackages) { 4215 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4216 return PackageParser.generateInstrumentationInfo(i, flags); 4217 } 4218 } 4219 4220 @Override 4221 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4222 int flags) { 4223 ArrayList<InstrumentationInfo> finalList = 4224 new ArrayList<InstrumentationInfo>(); 4225 4226 // reader 4227 synchronized (mPackages) { 4228 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4229 while (i.hasNext()) { 4230 final PackageParser.Instrumentation p = i.next(); 4231 if (targetPackage == null 4232 || targetPackage.equals(p.info.targetPackage)) { 4233 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4234 flags); 4235 if (ii != null) { 4236 finalList.add(ii); 4237 } 4238 } 4239 } 4240 } 4241 4242 return finalList; 4243 } 4244 4245 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4246 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4247 if (overlays == null) { 4248 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4249 return; 4250 } 4251 for (PackageParser.Package opkg : overlays.values()) { 4252 // Not much to do if idmap fails: we already logged the error 4253 // and we certainly don't want to abort installation of pkg simply 4254 // because an overlay didn't fit properly. For these reasons, 4255 // ignore the return value of createIdmapForPackagePairLI. 4256 createIdmapForPackagePairLI(pkg, opkg); 4257 } 4258 } 4259 4260 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4261 PackageParser.Package opkg) { 4262 if (!opkg.mTrustedOverlay) { 4263 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4264 opkg.baseCodePath + ": overlay not trusted"); 4265 return false; 4266 } 4267 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4268 if (overlaySet == null) { 4269 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4270 opkg.baseCodePath + " but target package has no known overlays"); 4271 return false; 4272 } 4273 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4274 // TODO: generate idmap for split APKs 4275 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4276 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4277 + opkg.baseCodePath); 4278 return false; 4279 } 4280 PackageParser.Package[] overlayArray = 4281 overlaySet.values().toArray(new PackageParser.Package[0]); 4282 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4283 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4284 return p1.mOverlayPriority - p2.mOverlayPriority; 4285 } 4286 }; 4287 Arrays.sort(overlayArray, cmp); 4288 4289 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4290 int i = 0; 4291 for (PackageParser.Package p : overlayArray) { 4292 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4293 } 4294 return true; 4295 } 4296 4297 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4298 final File[] files = dir.listFiles(); 4299 if (ArrayUtils.isEmpty(files)) { 4300 Log.d(TAG, "No files in app dir " + dir); 4301 return; 4302 } 4303 4304 if (DEBUG_PACKAGE_SCANNING) { 4305 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4306 + " flags=0x" + Integer.toHexString(parseFlags)); 4307 } 4308 4309 for (File file : files) { 4310 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4311 && !PackageInstallerService.isStageName(file.getName()); 4312 if (!isPackage) { 4313 // Ignore entries which are not packages 4314 continue; 4315 } 4316 try { 4317 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4318 scanFlags, currentTime, null); 4319 } catch (PackageManagerException e) { 4320 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4321 4322 // Delete invalid userdata apps 4323 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4324 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4325 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4326 if (file.isDirectory()) { 4327 FileUtils.deleteContents(file); 4328 } 4329 file.delete(); 4330 } 4331 } 4332 } 4333 } 4334 4335 private static File getSettingsProblemFile() { 4336 File dataDir = Environment.getDataDirectory(); 4337 File systemDir = new File(dataDir, "system"); 4338 File fname = new File(systemDir, "uiderrors.txt"); 4339 return fname; 4340 } 4341 4342 static void reportSettingsProblem(int priority, String msg) { 4343 logCriticalInfo(priority, msg); 4344 } 4345 4346 static void logCriticalInfo(int priority, String msg) { 4347 Slog.println(priority, TAG, msg); 4348 EventLogTags.writePmCriticalInfo(msg); 4349 try { 4350 File fname = getSettingsProblemFile(); 4351 FileOutputStream out = new FileOutputStream(fname, true); 4352 PrintWriter pw = new FastPrintWriter(out); 4353 SimpleDateFormat formatter = new SimpleDateFormat(); 4354 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4355 pw.println(dateString + ": " + msg); 4356 pw.close(); 4357 FileUtils.setPermissions( 4358 fname.toString(), 4359 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4360 -1, -1); 4361 } catch (java.io.IOException e) { 4362 } 4363 } 4364 4365 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4366 PackageParser.Package pkg, File srcFile, int parseFlags) 4367 throws PackageManagerException { 4368 if (ps != null 4369 && ps.codePath.equals(srcFile) 4370 && ps.timeStamp == srcFile.lastModified() 4371 && !isCompatSignatureUpdateNeeded(pkg) 4372 && !isRecoverSignatureUpdateNeeded(pkg)) { 4373 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4374 if (ps.signatures.mSignatures != null 4375 && ps.signatures.mSignatures.length != 0 4376 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4377 // Optimization: reuse the existing cached certificates 4378 // if the package appears to be unchanged. 4379 pkg.mSignatures = ps.signatures.mSignatures; 4380 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4381 synchronized (mPackages) { 4382 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4383 } 4384 return; 4385 } 4386 4387 Slog.w(TAG, "PackageSetting for " + ps.name 4388 + " is missing signatures. Collecting certs again to recover them."); 4389 } else { 4390 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4391 } 4392 4393 try { 4394 pp.collectCertificates(pkg, parseFlags); 4395 pp.collectManifestDigest(pkg); 4396 } catch (PackageParserException e) { 4397 throw PackageManagerException.from(e); 4398 } 4399 } 4400 4401 /* 4402 * Scan a package and return the newly parsed package. 4403 * Returns null in case of errors and the error code is stored in mLastScanError 4404 */ 4405 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4406 long currentTime, UserHandle user) throws PackageManagerException { 4407 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4408 parseFlags |= mDefParseFlags; 4409 PackageParser pp = new PackageParser(); 4410 pp.setSeparateProcesses(mSeparateProcesses); 4411 pp.setOnlyCoreApps(mOnlyCore); 4412 pp.setDisplayMetrics(mMetrics); 4413 4414 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4415 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4416 } 4417 4418 final PackageParser.Package pkg; 4419 try { 4420 pkg = pp.parsePackage(scanFile, parseFlags); 4421 } catch (PackageParserException e) { 4422 throw PackageManagerException.from(e); 4423 } 4424 4425 PackageSetting ps = null; 4426 PackageSetting updatedPkg; 4427 // reader 4428 synchronized (mPackages) { 4429 // Look to see if we already know about this package. 4430 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4431 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4432 // This package has been renamed to its original name. Let's 4433 // use that. 4434 ps = mSettings.peekPackageLPr(oldName); 4435 } 4436 // If there was no original package, see one for the real package name. 4437 if (ps == null) { 4438 ps = mSettings.peekPackageLPr(pkg.packageName); 4439 } 4440 // Check to see if this package could be hiding/updating a system 4441 // package. Must look for it either under the original or real 4442 // package name depending on our state. 4443 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4444 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4445 } 4446 boolean updatedPkgBetter = false; 4447 // First check if this is a system package that may involve an update 4448 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4449 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4450 // it needs to drop FLAG_PRIVILEGED. 4451 if (locationIsPrivileged(scanFile)) { 4452 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4453 } else { 4454 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4455 } 4456 4457 if (ps != null && !ps.codePath.equals(scanFile)) { 4458 // The path has changed from what was last scanned... check the 4459 // version of the new path against what we have stored to determine 4460 // what to do. 4461 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4462 if (pkg.mVersionCode <= ps.versionCode) { 4463 // The system package has been updated and the code path does not match 4464 // Ignore entry. Skip it. 4465 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4466 + " ignored: updated version " + ps.versionCode 4467 + " better than this " + pkg.mVersionCode); 4468 if (!updatedPkg.codePath.equals(scanFile)) { 4469 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4470 + ps.name + " changing from " + updatedPkg.codePathString 4471 + " to " + scanFile); 4472 updatedPkg.codePath = scanFile; 4473 updatedPkg.codePathString = scanFile.toString(); 4474 updatedPkg.resourcePath = scanFile; 4475 updatedPkg.resourcePathString = scanFile.toString(); 4476 } 4477 updatedPkg.pkg = pkg; 4478 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4479 } else { 4480 // The current app on the system partition is better than 4481 // what we have updated to on the data partition; switch 4482 // back to the system partition version. 4483 // At this point, its safely assumed that package installation for 4484 // apps in system partition will go through. If not there won't be a working 4485 // version of the app 4486 // writer 4487 synchronized (mPackages) { 4488 // Just remove the loaded entries from package lists. 4489 mPackages.remove(ps.name); 4490 } 4491 4492 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4493 + " reverting from " + ps.codePathString 4494 + ": new version " + pkg.mVersionCode 4495 + " better than installed " + ps.versionCode); 4496 4497 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4498 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4499 getAppDexInstructionSets(ps)); 4500 synchronized (mInstallLock) { 4501 args.cleanUpResourcesLI(); 4502 } 4503 synchronized (mPackages) { 4504 mSettings.enableSystemPackageLPw(ps.name); 4505 } 4506 updatedPkgBetter = true; 4507 } 4508 } 4509 } 4510 4511 if (updatedPkg != null) { 4512 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4513 // initially 4514 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4515 4516 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4517 // flag set initially 4518 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 4519 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4520 } 4521 } 4522 4523 // Verify certificates against what was last scanned 4524 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4525 4526 /* 4527 * A new system app appeared, but we already had a non-system one of the 4528 * same name installed earlier. 4529 */ 4530 boolean shouldHideSystemApp = false; 4531 if (updatedPkg == null && ps != null 4532 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4533 /* 4534 * Check to make sure the signatures match first. If they don't, 4535 * wipe the installed application and its data. 4536 */ 4537 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4538 != PackageManager.SIGNATURE_MATCH) { 4539 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4540 + " signatures don't match existing userdata copy; removing"); 4541 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4542 ps = null; 4543 } else { 4544 /* 4545 * If the newly-added system app is an older version than the 4546 * already installed version, hide it. It will be scanned later 4547 * and re-added like an update. 4548 */ 4549 if (pkg.mVersionCode <= ps.versionCode) { 4550 shouldHideSystemApp = true; 4551 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4552 + " but new version " + pkg.mVersionCode + " better than installed " 4553 + ps.versionCode + "; hiding system"); 4554 } else { 4555 /* 4556 * The newly found system app is a newer version that the 4557 * one previously installed. Simply remove the 4558 * already-installed application and replace it with our own 4559 * while keeping the application data. 4560 */ 4561 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4562 + " reverting from " + ps.codePathString + ": new version " 4563 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4564 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4565 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4566 getAppDexInstructionSets(ps)); 4567 synchronized (mInstallLock) { 4568 args.cleanUpResourcesLI(); 4569 } 4570 } 4571 } 4572 } 4573 4574 // The apk is forward locked (not public) if its code and resources 4575 // are kept in different files. (except for app in either system or 4576 // vendor path). 4577 // TODO grab this value from PackageSettings 4578 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4579 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4580 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4581 } 4582 } 4583 4584 // TODO: extend to support forward-locked splits 4585 String resourcePath = null; 4586 String baseResourcePath = null; 4587 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4588 if (ps != null && ps.resourcePathString != null) { 4589 resourcePath = ps.resourcePathString; 4590 baseResourcePath = ps.resourcePathString; 4591 } else { 4592 // Should not happen at all. Just log an error. 4593 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4594 } 4595 } else { 4596 resourcePath = pkg.codePath; 4597 baseResourcePath = pkg.baseCodePath; 4598 } 4599 4600 // Set application objects path explicitly. 4601 pkg.applicationInfo.setCodePath(pkg.codePath); 4602 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4603 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4604 pkg.applicationInfo.setResourcePath(resourcePath); 4605 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4606 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4607 4608 // Note that we invoke the following method only if we are about to unpack an application 4609 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4610 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4611 4612 /* 4613 * If the system app should be overridden by a previously installed 4614 * data, hide the system app now and let the /data/app scan pick it up 4615 * again. 4616 */ 4617 if (shouldHideSystemApp) { 4618 synchronized (mPackages) { 4619 /* 4620 * We have to grant systems permissions before we hide, because 4621 * grantPermissions will assume the package update is trying to 4622 * expand its permissions. 4623 */ 4624 grantPermissionsLPw(pkg, true, pkg.packageName); 4625 mSettings.disableSystemPackageLPw(pkg.packageName); 4626 } 4627 } 4628 4629 return scannedPkg; 4630 } 4631 4632 private static String fixProcessName(String defProcessName, 4633 String processName, int uid) { 4634 if (processName == null) { 4635 return defProcessName; 4636 } 4637 return processName; 4638 } 4639 4640 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4641 throws PackageManagerException { 4642 if (pkgSetting.signatures.mSignatures != null) { 4643 // Already existing package. Make sure signatures match 4644 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4645 == PackageManager.SIGNATURE_MATCH; 4646 if (!match) { 4647 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4648 == PackageManager.SIGNATURE_MATCH; 4649 } 4650 if (!match) { 4651 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4652 == PackageManager.SIGNATURE_MATCH; 4653 } 4654 if (!match) { 4655 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4656 + pkg.packageName + " signatures do not match the " 4657 + "previously installed version; ignoring!"); 4658 } 4659 } 4660 4661 // Check for shared user signatures 4662 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4663 // Already existing package. Make sure signatures match 4664 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4665 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4666 if (!match) { 4667 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4668 == PackageManager.SIGNATURE_MATCH; 4669 } 4670 if (!match) { 4671 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4672 == PackageManager.SIGNATURE_MATCH; 4673 } 4674 if (!match) { 4675 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4676 "Package " + pkg.packageName 4677 + " has no signatures that match those in shared user " 4678 + pkgSetting.sharedUser.name + "; ignoring!"); 4679 } 4680 } 4681 } 4682 4683 /** 4684 * Enforces that only the system UID or root's UID can call a method exposed 4685 * via Binder. 4686 * 4687 * @param message used as message if SecurityException is thrown 4688 * @throws SecurityException if the caller is not system or root 4689 */ 4690 private static final void enforceSystemOrRoot(String message) { 4691 final int uid = Binder.getCallingUid(); 4692 if (uid != Process.SYSTEM_UID && uid != 0) { 4693 throw new SecurityException(message); 4694 } 4695 } 4696 4697 @Override 4698 public void performBootDexOpt() { 4699 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4700 4701 // Before everything else, see whether we need to fstrim. 4702 try { 4703 IMountService ms = PackageHelper.getMountService(); 4704 if (ms != null) { 4705 final boolean isUpgrade = isUpgrade(); 4706 boolean doTrim = isUpgrade; 4707 if (doTrim) { 4708 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 4709 } else { 4710 final long interval = android.provider.Settings.Global.getLong( 4711 mContext.getContentResolver(), 4712 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4713 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4714 if (interval > 0) { 4715 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4716 if (timeSinceLast > interval) { 4717 doTrim = true; 4718 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4719 + "; running immediately"); 4720 } 4721 } 4722 } 4723 if (doTrim) { 4724 if (!isFirstBoot()) { 4725 try { 4726 ActivityManagerNative.getDefault().showBootMessage( 4727 mContext.getResources().getString( 4728 R.string.android_upgrading_fstrim), true); 4729 } catch (RemoteException e) { 4730 } 4731 } 4732 ms.runMaintenance(); 4733 } 4734 } else { 4735 Slog.e(TAG, "Mount service unavailable!"); 4736 } 4737 } catch (RemoteException e) { 4738 // Can't happen; MountService is local 4739 } 4740 4741 final ArraySet<PackageParser.Package> pkgs; 4742 synchronized (mPackages) { 4743 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 4744 } 4745 4746 if (pkgs != null) { 4747 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4748 // in case the device runs out of space. 4749 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4750 // Give priority to core apps. 4751 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4752 PackageParser.Package pkg = it.next(); 4753 if (pkg.coreApp) { 4754 if (DEBUG_DEXOPT) { 4755 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4756 } 4757 sortedPkgs.add(pkg); 4758 it.remove(); 4759 } 4760 } 4761 // Give priority to system apps that listen for pre boot complete. 4762 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4763 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4764 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4765 PackageParser.Package pkg = it.next(); 4766 if (pkgNames.contains(pkg.packageName)) { 4767 if (DEBUG_DEXOPT) { 4768 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4769 } 4770 sortedPkgs.add(pkg); 4771 it.remove(); 4772 } 4773 } 4774 // Give priority to system apps. 4775 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4776 PackageParser.Package pkg = it.next(); 4777 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4778 if (DEBUG_DEXOPT) { 4779 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4780 } 4781 sortedPkgs.add(pkg); 4782 it.remove(); 4783 } 4784 } 4785 // Give priority to updated system apps. 4786 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4787 PackageParser.Package pkg = it.next(); 4788 if (isUpdatedSystemApp(pkg)) { 4789 if (DEBUG_DEXOPT) { 4790 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4791 } 4792 sortedPkgs.add(pkg); 4793 it.remove(); 4794 } 4795 } 4796 // Give priority to apps that listen for boot complete. 4797 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4798 pkgNames = getPackageNamesForIntent(intent); 4799 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4800 PackageParser.Package pkg = it.next(); 4801 if (pkgNames.contains(pkg.packageName)) { 4802 if (DEBUG_DEXOPT) { 4803 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4804 } 4805 sortedPkgs.add(pkg); 4806 it.remove(); 4807 } 4808 } 4809 // Filter out packages that aren't recently used. 4810 filterRecentlyUsedApps(pkgs); 4811 // Add all remaining apps. 4812 for (PackageParser.Package pkg : pkgs) { 4813 if (DEBUG_DEXOPT) { 4814 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4815 } 4816 sortedPkgs.add(pkg); 4817 } 4818 4819 // If we want to be lazy, filter everything that wasn't recently used. 4820 if (mLazyDexOpt) { 4821 filterRecentlyUsedApps(sortedPkgs); 4822 } 4823 4824 int i = 0; 4825 int total = sortedPkgs.size(); 4826 File dataDir = Environment.getDataDirectory(); 4827 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4828 if (lowThreshold == 0) { 4829 throw new IllegalStateException("Invalid low memory threshold"); 4830 } 4831 for (PackageParser.Package pkg : sortedPkgs) { 4832 long usableSpace = dataDir.getUsableSpace(); 4833 if (usableSpace < lowThreshold) { 4834 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4835 break; 4836 } 4837 performBootDexOpt(pkg, ++i, total); 4838 } 4839 } 4840 } 4841 4842 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4843 // Filter out packages that aren't recently used. 4844 // 4845 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4846 // should do a full dexopt. 4847 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4848 int total = pkgs.size(); 4849 int skipped = 0; 4850 long now = System.currentTimeMillis(); 4851 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4852 PackageParser.Package pkg = i.next(); 4853 long then = pkg.mLastPackageUsageTimeInMills; 4854 if (then + mDexOptLRUThresholdInMills < now) { 4855 if (DEBUG_DEXOPT) { 4856 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4857 ((then == 0) ? "never" : new Date(then))); 4858 } 4859 i.remove(); 4860 skipped++; 4861 } 4862 } 4863 if (DEBUG_DEXOPT) { 4864 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4865 } 4866 } 4867 } 4868 4869 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4870 List<ResolveInfo> ris = null; 4871 try { 4872 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4873 intent, null, 0, UserHandle.USER_OWNER); 4874 } catch (RemoteException e) { 4875 } 4876 ArraySet<String> pkgNames = new ArraySet<String>(); 4877 if (ris != null) { 4878 for (ResolveInfo ri : ris) { 4879 pkgNames.add(ri.activityInfo.packageName); 4880 } 4881 } 4882 return pkgNames; 4883 } 4884 4885 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4886 if (DEBUG_DEXOPT) { 4887 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4888 } 4889 if (!isFirstBoot()) { 4890 try { 4891 ActivityManagerNative.getDefault().showBootMessage( 4892 mContext.getResources().getString(R.string.android_upgrading_apk, 4893 curr, total), true); 4894 } catch (RemoteException e) { 4895 } 4896 } 4897 PackageParser.Package p = pkg; 4898 synchronized (mInstallLock) { 4899 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 4900 false /* force dex */, false /* defer */, true /* include dependencies */); 4901 } 4902 } 4903 4904 @Override 4905 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4906 return performDexOpt(packageName, instructionSet, false); 4907 } 4908 4909 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4910 if (info.primaryCpuAbi == null) { 4911 return getPreferredInstructionSet(); 4912 } 4913 4914 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4915 } 4916 4917 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4918 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4919 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4920 if (!dexopt && !updateUsage) { 4921 // We aren't going to dexopt or update usage, so bail early. 4922 return false; 4923 } 4924 PackageParser.Package p; 4925 final String targetInstructionSet; 4926 synchronized (mPackages) { 4927 p = mPackages.get(packageName); 4928 if (p == null) { 4929 return false; 4930 } 4931 if (updateUsage) { 4932 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4933 } 4934 mPackageUsage.write(false); 4935 if (!dexopt) { 4936 // We aren't going to dexopt, so bail early. 4937 return false; 4938 } 4939 4940 targetInstructionSet = instructionSet != null ? instructionSet : 4941 getPrimaryInstructionSet(p.applicationInfo); 4942 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4943 return false; 4944 } 4945 } 4946 4947 synchronized (mInstallLock) { 4948 final String[] instructionSets = new String[] { targetInstructionSet }; 4949 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 4950 false /* forceDex */, false /* defer */, true /* inclDependencies */); 4951 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 4952 } 4953 } 4954 4955 public ArraySet<String> getPackagesThatNeedDexOpt() { 4956 ArraySet<String> pkgs = null; 4957 synchronized (mPackages) { 4958 for (PackageParser.Package p : mPackages.values()) { 4959 if (DEBUG_DEXOPT) { 4960 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4961 } 4962 if (!p.mDexOptPerformed.isEmpty()) { 4963 continue; 4964 } 4965 if (pkgs == null) { 4966 pkgs = new ArraySet<String>(); 4967 } 4968 pkgs.add(p.packageName); 4969 } 4970 } 4971 return pkgs; 4972 } 4973 4974 public void shutdown() { 4975 mPackageUsage.write(true); 4976 } 4977 4978 @Override 4979 public void forceDexOpt(String packageName) { 4980 enforceSystemOrRoot("forceDexOpt"); 4981 4982 PackageParser.Package pkg; 4983 synchronized (mPackages) { 4984 pkg = mPackages.get(packageName); 4985 if (pkg == null) { 4986 throw new IllegalArgumentException("Missing package: " + packageName); 4987 } 4988 } 4989 4990 synchronized (mInstallLock) { 4991 final String[] instructionSets = new String[] { 4992 getPrimaryInstructionSet(pkg.applicationInfo) }; 4993 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 4994 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 4995 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 4996 throw new IllegalStateException("Failed to dexopt: " + res); 4997 } 4998 } 4999 } 5000 5001 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 5002 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 5003 Slog.w(TAG, "Unable to update from " + oldPkg.name 5004 + " to " + newPkg.packageName 5005 + ": old package not in system partition"); 5006 return false; 5007 } else if (mPackages.get(oldPkg.name) != null) { 5008 Slog.w(TAG, "Unable to update from " + oldPkg.name 5009 + " to " + newPkg.packageName 5010 + ": old package still exists"); 5011 return false; 5012 } 5013 return true; 5014 } 5015 5016 private File getDataPathForPackage(String packageName, int userId) { 5017 /* 5018 * Until we fully support multiple users, return the directory we 5019 * previously would have. The PackageManagerTests will need to be 5020 * revised when this is changed back.. 5021 */ 5022 if (userId == 0) { 5023 return new File(mAppDataDir, packageName); 5024 } else { 5025 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 5026 + File.separator + packageName); 5027 } 5028 } 5029 5030 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5031 int[] users = sUserManager.getUserIds(); 5032 int res = mInstaller.install(packageName, uid, uid, seinfo); 5033 if (res < 0) { 5034 return res; 5035 } 5036 for (int user : users) { 5037 if (user != 0) { 5038 res = mInstaller.createUserData(packageName, 5039 UserHandle.getUid(user, uid), user, seinfo); 5040 if (res < 0) { 5041 return res; 5042 } 5043 } 5044 } 5045 return res; 5046 } 5047 5048 private int removeDataDirsLI(String packageName) { 5049 int[] users = sUserManager.getUserIds(); 5050 int res = 0; 5051 for (int user : users) { 5052 int resInner = mInstaller.remove(packageName, user); 5053 if (resInner < 0) { 5054 res = resInner; 5055 } 5056 } 5057 5058 return res; 5059 } 5060 5061 private int deleteCodeCacheDirsLI(String packageName) { 5062 int[] users = sUserManager.getUserIds(); 5063 int res = 0; 5064 for (int user : users) { 5065 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5066 if (resInner < 0) { 5067 res = resInner; 5068 } 5069 } 5070 return res; 5071 } 5072 5073 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5074 PackageParser.Package changingLib) { 5075 if (file.path != null) { 5076 usesLibraryFiles.add(file.path); 5077 return; 5078 } 5079 PackageParser.Package p = mPackages.get(file.apk); 5080 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5081 // If we are doing this while in the middle of updating a library apk, 5082 // then we need to make sure to use that new apk for determining the 5083 // dependencies here. (We haven't yet finished committing the new apk 5084 // to the package manager state.) 5085 if (p == null || p.packageName.equals(changingLib.packageName)) { 5086 p = changingLib; 5087 } 5088 } 5089 if (p != null) { 5090 usesLibraryFiles.addAll(p.getAllCodePaths()); 5091 } 5092 } 5093 5094 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5095 PackageParser.Package changingLib) throws PackageManagerException { 5096 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5097 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5098 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5099 for (int i=0; i<N; i++) { 5100 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5101 if (file == null) { 5102 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5103 "Package " + pkg.packageName + " requires unavailable shared library " 5104 + pkg.usesLibraries.get(i) + "; failing!"); 5105 } 5106 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5107 } 5108 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5109 for (int i=0; i<N; i++) { 5110 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5111 if (file == null) { 5112 Slog.w(TAG, "Package " + pkg.packageName 5113 + " desires unavailable shared library " 5114 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5115 } else { 5116 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5117 } 5118 } 5119 N = usesLibraryFiles.size(); 5120 if (N > 0) { 5121 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5122 } else { 5123 pkg.usesLibraryFiles = null; 5124 } 5125 } 5126 } 5127 5128 private static boolean hasString(List<String> list, List<String> which) { 5129 if (list == null) { 5130 return false; 5131 } 5132 for (int i=list.size()-1; i>=0; i--) { 5133 for (int j=which.size()-1; j>=0; j--) { 5134 if (which.get(j).equals(list.get(i))) { 5135 return true; 5136 } 5137 } 5138 } 5139 return false; 5140 } 5141 5142 private void updateAllSharedLibrariesLPw() { 5143 for (PackageParser.Package pkg : mPackages.values()) { 5144 try { 5145 updateSharedLibrariesLPw(pkg, null); 5146 } catch (PackageManagerException e) { 5147 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5148 } 5149 } 5150 } 5151 5152 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5153 PackageParser.Package changingPkg) { 5154 ArrayList<PackageParser.Package> res = null; 5155 for (PackageParser.Package pkg : mPackages.values()) { 5156 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5157 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5158 if (res == null) { 5159 res = new ArrayList<PackageParser.Package>(); 5160 } 5161 res.add(pkg); 5162 try { 5163 updateSharedLibrariesLPw(pkg, changingPkg); 5164 } catch (PackageManagerException e) { 5165 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5166 } 5167 } 5168 } 5169 return res; 5170 } 5171 5172 /** 5173 * Derive the value of the {@code cpuAbiOverride} based on the provided 5174 * value and an optional stored value from the package settings. 5175 */ 5176 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5177 String cpuAbiOverride = null; 5178 5179 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5180 cpuAbiOverride = null; 5181 } else if (abiOverride != null) { 5182 cpuAbiOverride = abiOverride; 5183 } else if (settings != null) { 5184 cpuAbiOverride = settings.cpuAbiOverrideString; 5185 } 5186 5187 return cpuAbiOverride; 5188 } 5189 5190 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5191 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5192 boolean success = false; 5193 try { 5194 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5195 currentTime, user); 5196 success = true; 5197 return res; 5198 } finally { 5199 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5200 removeDataDirsLI(pkg.packageName); 5201 } 5202 } 5203 } 5204 5205 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5206 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5207 final File scanFile = new File(pkg.codePath); 5208 if (pkg.applicationInfo.getCodePath() == null || 5209 pkg.applicationInfo.getResourcePath() == null) { 5210 // Bail out. The resource and code paths haven't been set. 5211 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5212 "Code and resource paths haven't been set correctly"); 5213 } 5214 5215 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5216 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5217 } else { 5218 // Only allow system apps to be flagged as core apps. 5219 pkg.coreApp = false; 5220 } 5221 5222 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5223 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5224 } 5225 5226 if (mCustomResolverComponentName != null && 5227 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5228 setUpCustomResolverActivity(pkg); 5229 } 5230 5231 if (pkg.packageName.equals("android")) { 5232 synchronized (mPackages) { 5233 if (mAndroidApplication != null) { 5234 Slog.w(TAG, "*************************************************"); 5235 Slog.w(TAG, "Core android package being redefined. Skipping."); 5236 Slog.w(TAG, " file=" + scanFile); 5237 Slog.w(TAG, "*************************************************"); 5238 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5239 "Core android package being redefined. Skipping."); 5240 } 5241 5242 // Set up information for our fall-back user intent resolution activity. 5243 mPlatformPackage = pkg; 5244 pkg.mVersionCode = mSdkVersion; 5245 mAndroidApplication = pkg.applicationInfo; 5246 5247 if (!mResolverReplaced) { 5248 mResolveActivity.applicationInfo = mAndroidApplication; 5249 mResolveActivity.name = ResolverActivity.class.getName(); 5250 mResolveActivity.packageName = mAndroidApplication.packageName; 5251 mResolveActivity.processName = "system:ui"; 5252 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5253 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5254 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5255 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5256 mResolveActivity.exported = true; 5257 mResolveActivity.enabled = true; 5258 mResolveInfo.activityInfo = mResolveActivity; 5259 mResolveInfo.priority = 0; 5260 mResolveInfo.preferredOrder = 0; 5261 mResolveInfo.match = 0; 5262 mResolveComponentName = new ComponentName( 5263 mAndroidApplication.packageName, mResolveActivity.name); 5264 } 5265 } 5266 } 5267 5268 if (DEBUG_PACKAGE_SCANNING) { 5269 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5270 Log.d(TAG, "Scanning package " + pkg.packageName); 5271 } 5272 5273 if (mPackages.containsKey(pkg.packageName) 5274 || mSharedLibraries.containsKey(pkg.packageName)) { 5275 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5276 "Application package " + pkg.packageName 5277 + " already installed. Skipping duplicate."); 5278 } 5279 5280 // Initialize package source and resource directories 5281 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5282 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5283 5284 SharedUserSetting suid = null; 5285 PackageSetting pkgSetting = null; 5286 5287 if (!isSystemApp(pkg)) { 5288 // Only system apps can use these features. 5289 pkg.mOriginalPackages = null; 5290 pkg.mRealPackage = null; 5291 pkg.mAdoptPermissions = null; 5292 } 5293 5294 // writer 5295 synchronized (mPackages) { 5296 if (pkg.mSharedUserId != null) { 5297 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 5298 if (suid == null) { 5299 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5300 "Creating application package " + pkg.packageName 5301 + " for shared user failed"); 5302 } 5303 if (DEBUG_PACKAGE_SCANNING) { 5304 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5305 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5306 + "): packages=" + suid.packages); 5307 } 5308 } 5309 5310 // Check if we are renaming from an original package name. 5311 PackageSetting origPackage = null; 5312 String realName = null; 5313 if (pkg.mOriginalPackages != null) { 5314 // This package may need to be renamed to a previously 5315 // installed name. Let's check on that... 5316 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5317 if (pkg.mOriginalPackages.contains(renamed)) { 5318 // This package had originally been installed as the 5319 // original name, and we have already taken care of 5320 // transitioning to the new one. Just update the new 5321 // one to continue using the old name. 5322 realName = pkg.mRealPackage; 5323 if (!pkg.packageName.equals(renamed)) { 5324 // Callers into this function may have already taken 5325 // care of renaming the package; only do it here if 5326 // it is not already done. 5327 pkg.setPackageName(renamed); 5328 } 5329 5330 } else { 5331 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5332 if ((origPackage = mSettings.peekPackageLPr( 5333 pkg.mOriginalPackages.get(i))) != null) { 5334 // We do have the package already installed under its 5335 // original name... should we use it? 5336 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5337 // New package is not compatible with original. 5338 origPackage = null; 5339 continue; 5340 } else if (origPackage.sharedUser != null) { 5341 // Make sure uid is compatible between packages. 5342 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5343 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5344 + " to " + pkg.packageName + ": old uid " 5345 + origPackage.sharedUser.name 5346 + " differs from " + pkg.mSharedUserId); 5347 origPackage = null; 5348 continue; 5349 } 5350 } else { 5351 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5352 + pkg.packageName + " to old name " + origPackage.name); 5353 } 5354 break; 5355 } 5356 } 5357 } 5358 } 5359 5360 if (mTransferedPackages.contains(pkg.packageName)) { 5361 Slog.w(TAG, "Package " + pkg.packageName 5362 + " was transferred to another, but its .apk remains"); 5363 } 5364 5365 // Just create the setting, don't add it yet. For already existing packages 5366 // the PkgSetting exists already and doesn't have to be created. 5367 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5368 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5369 pkg.applicationInfo.primaryCpuAbi, 5370 pkg.applicationInfo.secondaryCpuAbi, 5371 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 5372 user, false); 5373 if (pkgSetting == null) { 5374 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5375 "Creating application package " + pkg.packageName + " failed"); 5376 } 5377 5378 if (pkgSetting.origPackage != null) { 5379 // If we are first transitioning from an original package, 5380 // fix up the new package's name now. We need to do this after 5381 // looking up the package under its new name, so getPackageLP 5382 // can take care of fiddling things correctly. 5383 pkg.setPackageName(origPackage.name); 5384 5385 // File a report about this. 5386 String msg = "New package " + pkgSetting.realName 5387 + " renamed to replace old package " + pkgSetting.name; 5388 reportSettingsProblem(Log.WARN, msg); 5389 5390 // Make a note of it. 5391 mTransferedPackages.add(origPackage.name); 5392 5393 // No longer need to retain this. 5394 pkgSetting.origPackage = null; 5395 } 5396 5397 if (realName != null) { 5398 // Make a note of it. 5399 mTransferedPackages.add(pkg.packageName); 5400 } 5401 5402 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5403 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5404 } 5405 5406 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5407 // Check all shared libraries and map to their actual file path. 5408 // We only do this here for apps not on a system dir, because those 5409 // are the only ones that can fail an install due to this. We 5410 // will take care of the system apps by updating all of their 5411 // library paths after the scan is done. 5412 updateSharedLibrariesLPw(pkg, null); 5413 } 5414 5415 if (mFoundPolicyFile) { 5416 SELinuxMMAC.assignSeinfoValue(pkg); 5417 } 5418 5419 pkg.applicationInfo.uid = pkgSetting.appId; 5420 pkg.mExtras = pkgSetting; 5421 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5422 try { 5423 verifySignaturesLP(pkgSetting, pkg); 5424 // We just determined the app is signed correctly, so bring 5425 // over the latest parsed certs. 5426 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5427 } catch (PackageManagerException e) { 5428 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5429 throw e; 5430 } 5431 // The signature has changed, but this package is in the system 5432 // image... let's recover! 5433 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5434 // However... if this package is part of a shared user, but it 5435 // doesn't match the signature of the shared user, let's fail. 5436 // What this means is that you can't change the signatures 5437 // associated with an overall shared user, which doesn't seem all 5438 // that unreasonable. 5439 if (pkgSetting.sharedUser != null) { 5440 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5441 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5442 throw new PackageManagerException( 5443 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5444 "Signature mismatch for shared user : " 5445 + pkgSetting.sharedUser); 5446 } 5447 } 5448 // File a report about this. 5449 String msg = "System package " + pkg.packageName 5450 + " signature changed; retaining data."; 5451 reportSettingsProblem(Log.WARN, msg); 5452 } 5453 } else { 5454 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5455 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5456 + pkg.packageName + " upgrade keys do not match the " 5457 + "previously installed version"); 5458 } else { 5459 // We just determined the app is signed correctly, so bring 5460 // over the latest parsed certs. 5461 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5462 } 5463 } 5464 // Verify that this new package doesn't have any content providers 5465 // that conflict with existing packages. Only do this if the 5466 // package isn't already installed, since we don't want to break 5467 // things that are installed. 5468 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5469 final int N = pkg.providers.size(); 5470 int i; 5471 for (i=0; i<N; i++) { 5472 PackageParser.Provider p = pkg.providers.get(i); 5473 if (p.info.authority != null) { 5474 String names[] = p.info.authority.split(";"); 5475 for (int j = 0; j < names.length; j++) { 5476 if (mProvidersByAuthority.containsKey(names[j])) { 5477 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5478 final String otherPackageName = 5479 ((other != null && other.getComponentName() != null) ? 5480 other.getComponentName().getPackageName() : "?"); 5481 throw new PackageManagerException( 5482 INSTALL_FAILED_CONFLICTING_PROVIDER, 5483 "Can't install because provider name " + names[j] 5484 + " (in package " + pkg.applicationInfo.packageName 5485 + ") is already used by " + otherPackageName); 5486 } 5487 } 5488 } 5489 } 5490 } 5491 5492 if (pkg.mAdoptPermissions != null) { 5493 // This package wants to adopt ownership of permissions from 5494 // another package. 5495 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5496 final String origName = pkg.mAdoptPermissions.get(i); 5497 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5498 if (orig != null) { 5499 if (verifyPackageUpdateLPr(orig, pkg)) { 5500 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5501 + pkg.packageName); 5502 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5503 } 5504 } 5505 } 5506 } 5507 } 5508 5509 final String pkgName = pkg.packageName; 5510 5511 final long scanFileTime = scanFile.lastModified(); 5512 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5513 pkg.applicationInfo.processName = fixProcessName( 5514 pkg.applicationInfo.packageName, 5515 pkg.applicationInfo.processName, 5516 pkg.applicationInfo.uid); 5517 5518 File dataPath; 5519 if (mPlatformPackage == pkg) { 5520 // The system package is special. 5521 dataPath = new File(Environment.getDataDirectory(), "system"); 5522 5523 pkg.applicationInfo.dataDir = dataPath.getPath(); 5524 5525 } else { 5526 // This is a normal package, need to make its data directory. 5527 dataPath = getDataPathForPackage(pkg.packageName, 0); 5528 5529 boolean uidError = false; 5530 if (dataPath.exists()) { 5531 int currentUid = 0; 5532 try { 5533 StructStat stat = Os.stat(dataPath.getPath()); 5534 currentUid = stat.st_uid; 5535 } catch (ErrnoException e) { 5536 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5537 } 5538 5539 // If we have mismatched owners for the data path, we have a problem. 5540 if (currentUid != pkg.applicationInfo.uid) { 5541 boolean recovered = false; 5542 if (currentUid == 0) { 5543 // The directory somehow became owned by root. Wow. 5544 // This is probably because the system was stopped while 5545 // installd was in the middle of messing with its libs 5546 // directory. Ask installd to fix that. 5547 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5548 pkg.applicationInfo.uid); 5549 if (ret >= 0) { 5550 recovered = true; 5551 String msg = "Package " + pkg.packageName 5552 + " unexpectedly changed to uid 0; recovered to " + 5553 + pkg.applicationInfo.uid; 5554 reportSettingsProblem(Log.WARN, msg); 5555 } 5556 } 5557 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5558 || (scanFlags&SCAN_BOOTING) != 0)) { 5559 // If this is a system app, we can at least delete its 5560 // current data so the application will still work. 5561 int ret = removeDataDirsLI(pkgName); 5562 if (ret >= 0) { 5563 // TODO: Kill the processes first 5564 // Old data gone! 5565 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5566 ? "System package " : "Third party package "; 5567 String msg = prefix + pkg.packageName 5568 + " has changed from uid: " 5569 + currentUid + " to " 5570 + pkg.applicationInfo.uid + "; old data erased"; 5571 reportSettingsProblem(Log.WARN, msg); 5572 recovered = true; 5573 5574 // And now re-install the app. 5575 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5576 pkg.applicationInfo.seinfo); 5577 if (ret == -1) { 5578 // Ack should not happen! 5579 msg = prefix + pkg.packageName 5580 + " could not have data directory re-created after delete."; 5581 reportSettingsProblem(Log.WARN, msg); 5582 throw new PackageManagerException( 5583 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5584 } 5585 } 5586 if (!recovered) { 5587 mHasSystemUidErrors = true; 5588 } 5589 } else if (!recovered) { 5590 // If we allow this install to proceed, we will be broken. 5591 // Abort, abort! 5592 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5593 "scanPackageLI"); 5594 } 5595 if (!recovered) { 5596 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5597 + pkg.applicationInfo.uid + "/fs_" 5598 + currentUid; 5599 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5600 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5601 String msg = "Package " + pkg.packageName 5602 + " has mismatched uid: " 5603 + currentUid + " on disk, " 5604 + pkg.applicationInfo.uid + " in settings"; 5605 // writer 5606 synchronized (mPackages) { 5607 mSettings.mReadMessages.append(msg); 5608 mSettings.mReadMessages.append('\n'); 5609 uidError = true; 5610 if (!pkgSetting.uidError) { 5611 reportSettingsProblem(Log.ERROR, msg); 5612 } 5613 } 5614 } 5615 } 5616 pkg.applicationInfo.dataDir = dataPath.getPath(); 5617 if (mShouldRestoreconData) { 5618 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5619 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5620 pkg.applicationInfo.uid); 5621 } 5622 } else { 5623 if (DEBUG_PACKAGE_SCANNING) { 5624 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5625 Log.v(TAG, "Want this data dir: " + dataPath); 5626 } 5627 //invoke installer to do the actual installation 5628 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5629 pkg.applicationInfo.seinfo); 5630 if (ret < 0) { 5631 // Error from installer 5632 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5633 "Unable to create data dirs [errorCode=" + ret + "]"); 5634 } 5635 5636 if (dataPath.exists()) { 5637 pkg.applicationInfo.dataDir = dataPath.getPath(); 5638 } else { 5639 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5640 pkg.applicationInfo.dataDir = null; 5641 } 5642 } 5643 5644 pkgSetting.uidError = uidError; 5645 } 5646 5647 final String path = scanFile.getPath(); 5648 final String codePath = pkg.applicationInfo.getCodePath(); 5649 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5650 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5651 setBundledAppAbisAndRoots(pkg, pkgSetting); 5652 5653 // If we haven't found any native libraries for the app, check if it has 5654 // renderscript code. We'll need to force the app to 32 bit if it has 5655 // renderscript bitcode. 5656 if (pkg.applicationInfo.primaryCpuAbi == null 5657 && pkg.applicationInfo.secondaryCpuAbi == null 5658 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5659 NativeLibraryHelper.Handle handle = null; 5660 try { 5661 handle = NativeLibraryHelper.Handle.create(scanFile); 5662 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5663 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5664 } 5665 } catch (IOException ioe) { 5666 Slog.w(TAG, "Error scanning system app : " + ioe); 5667 } finally { 5668 IoUtils.closeQuietly(handle); 5669 } 5670 } 5671 5672 setNativeLibraryPaths(pkg); 5673 } else { 5674 // TODO: We can probably be smarter about this stuff. For installed apps, 5675 // we can calculate this information at install time once and for all. For 5676 // system apps, we can probably assume that this information doesn't change 5677 // after the first boot scan. As things stand, we do lots of unnecessary work. 5678 5679 // Give ourselves some initial paths; we'll come back for another 5680 // pass once we've determined ABI below. 5681 setNativeLibraryPaths(pkg); 5682 5683 final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg); 5684 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5685 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5686 5687 NativeLibraryHelper.Handle handle = null; 5688 try { 5689 handle = NativeLibraryHelper.Handle.create(scanFile); 5690 // TODO(multiArch): This can be null for apps that didn't go through the 5691 // usual installation process. We can calculate it again, like we 5692 // do during install time. 5693 // 5694 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5695 // unnecessary. 5696 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5697 5698 // Null out the abis so that they can be recalculated. 5699 pkg.applicationInfo.primaryCpuAbi = null; 5700 pkg.applicationInfo.secondaryCpuAbi = null; 5701 if (isMultiArch(pkg.applicationInfo)) { 5702 // Warn if we've set an abiOverride for multi-lib packages.. 5703 // By definition, we need to copy both 32 and 64 bit libraries for 5704 // such packages. 5705 if (pkg.cpuAbiOverride != null 5706 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5707 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5708 } 5709 5710 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5711 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5712 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5713 if (isAsec) { 5714 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5715 } else { 5716 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5717 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5718 useIsaSpecificSubdirs); 5719 } 5720 } 5721 5722 maybeThrowExceptionForMultiArchCopy( 5723 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5724 5725 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5726 if (isAsec) { 5727 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5728 } else { 5729 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5730 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5731 useIsaSpecificSubdirs); 5732 } 5733 } 5734 5735 maybeThrowExceptionForMultiArchCopy( 5736 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5737 5738 if (abi64 >= 0) { 5739 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5740 } 5741 5742 if (abi32 >= 0) { 5743 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5744 if (abi64 >= 0) { 5745 pkg.applicationInfo.secondaryCpuAbi = abi; 5746 } else { 5747 pkg.applicationInfo.primaryCpuAbi = abi; 5748 } 5749 } 5750 } else { 5751 String[] abiList = (cpuAbiOverride != null) ? 5752 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5753 5754 // Enable gross and lame hacks for apps that are built with old 5755 // SDK tools. We must scan their APKs for renderscript bitcode and 5756 // not launch them if it's present. Don't bother checking on devices 5757 // that don't have 64 bit support. 5758 boolean needsRenderScriptOverride = false; 5759 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5760 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5761 abiList = Build.SUPPORTED_32_BIT_ABIS; 5762 needsRenderScriptOverride = true; 5763 } 5764 5765 final int copyRet; 5766 if (isAsec) { 5767 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5768 } else { 5769 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5770 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5771 } 5772 5773 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5774 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5775 "Error unpackaging native libs for app, errorCode=" + copyRet); 5776 } 5777 5778 if (copyRet >= 0) { 5779 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5780 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5781 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5782 } else if (needsRenderScriptOverride) { 5783 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5784 } 5785 } 5786 } catch (IOException ioe) { 5787 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5788 } finally { 5789 IoUtils.closeQuietly(handle); 5790 } 5791 5792 // Now that we've calculated the ABIs and determined if it's an internal app, 5793 // we will go ahead and populate the nativeLibraryPath. 5794 setNativeLibraryPaths(pkg); 5795 5796 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5797 final int[] userIds = sUserManager.getUserIds(); 5798 synchronized (mInstallLock) { 5799 // Create a native library symlink only if we have native libraries 5800 // and if the native libraries are 32 bit libraries. We do not provide 5801 // this symlink for 64 bit libraries. 5802 if (pkg.applicationInfo.primaryCpuAbi != null && 5803 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5804 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5805 for (int userId : userIds) { 5806 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5807 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5808 "Failed linking native library dir (user=" + userId + ")"); 5809 } 5810 } 5811 } 5812 } 5813 } 5814 5815 // This is a special case for the "system" package, where the ABI is 5816 // dictated by the zygote configuration (and init.rc). We should keep track 5817 // of this ABI so that we can deal with "normal" applications that run under 5818 // the same UID correctly. 5819 if (mPlatformPackage == pkg) { 5820 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5821 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5822 } 5823 5824 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5825 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5826 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5827 // Copy the derived override back to the parsed package, so that we can 5828 // update the package settings accordingly. 5829 pkg.cpuAbiOverride = cpuAbiOverride; 5830 5831 if (DEBUG_ABI_SELECTION) { 5832 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5833 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5834 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5835 } 5836 5837 // Push the derived path down into PackageSettings so we know what to 5838 // clean up at uninstall time. 5839 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5840 5841 if (DEBUG_ABI_SELECTION) { 5842 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5843 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5844 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5845 } 5846 5847 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5848 // We don't do this here during boot because we can do it all 5849 // at once after scanning all existing packages. 5850 // 5851 // We also do this *before* we perform dexopt on this package, so that 5852 // we can avoid redundant dexopts, and also to make sure we've got the 5853 // code and package path correct. 5854 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5855 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5856 } 5857 5858 if ((scanFlags & SCAN_NO_DEX) == 0) { 5859 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 5860 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 5861 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5862 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5863 } 5864 } 5865 5866 if (mFactoryTest && pkg.requestedPermissions.contains( 5867 android.Manifest.permission.FACTORY_TEST)) { 5868 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5869 } 5870 5871 ArrayList<PackageParser.Package> clientLibPkgs = null; 5872 5873 // writer 5874 synchronized (mPackages) { 5875 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5876 // Only system apps can add new shared libraries. 5877 if (pkg.libraryNames != null) { 5878 for (int i=0; i<pkg.libraryNames.size(); i++) { 5879 String name = pkg.libraryNames.get(i); 5880 boolean allowed = false; 5881 if (isUpdatedSystemApp(pkg)) { 5882 // New library entries can only be added through the 5883 // system image. This is important to get rid of a lot 5884 // of nasty edge cases: for example if we allowed a non- 5885 // system update of the app to add a library, then uninstalling 5886 // the update would make the library go away, and assumptions 5887 // we made such as through app install filtering would now 5888 // have allowed apps on the device which aren't compatible 5889 // with it. Better to just have the restriction here, be 5890 // conservative, and create many fewer cases that can negatively 5891 // impact the user experience. 5892 final PackageSetting sysPs = mSettings 5893 .getDisabledSystemPkgLPr(pkg.packageName); 5894 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5895 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5896 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5897 allowed = true; 5898 allowed = true; 5899 break; 5900 } 5901 } 5902 } 5903 } else { 5904 allowed = true; 5905 } 5906 if (allowed) { 5907 if (!mSharedLibraries.containsKey(name)) { 5908 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5909 } else if (!name.equals(pkg.packageName)) { 5910 Slog.w(TAG, "Package " + pkg.packageName + " library " 5911 + name + " already exists; skipping"); 5912 } 5913 } else { 5914 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5915 + name + " that is not declared on system image; skipping"); 5916 } 5917 } 5918 if ((scanFlags&SCAN_BOOTING) == 0) { 5919 // If we are not booting, we need to update any applications 5920 // that are clients of our shared library. If we are booting, 5921 // this will all be done once the scan is complete. 5922 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5923 } 5924 } 5925 } 5926 } 5927 5928 // We also need to dexopt any apps that are dependent on this library. Note that 5929 // if these fail, we should abort the install since installing the library will 5930 // result in some apps being broken. 5931 if (clientLibPkgs != null) { 5932 if ((scanFlags & SCAN_NO_DEX) == 0) { 5933 for (int i = 0; i < clientLibPkgs.size(); i++) { 5934 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5935 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 5936 null /* instruction sets */, forceDex, 5937 (scanFlags & SCAN_DEFER_DEX) != 0, false); 5938 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5939 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5940 "scanPackageLI failed to dexopt clientLibPkgs"); 5941 } 5942 } 5943 } 5944 } 5945 5946 // Request the ActivityManager to kill the process(only for existing packages) 5947 // so that we do not end up in a confused state while the user is still using the older 5948 // version of the application while the new one gets installed. 5949 if ((scanFlags & SCAN_REPLACING) != 0) { 5950 killApplication(pkg.applicationInfo.packageName, 5951 pkg.applicationInfo.uid, "update pkg"); 5952 } 5953 5954 // Also need to kill any apps that are dependent on the library. 5955 if (clientLibPkgs != null) { 5956 for (int i=0; i<clientLibPkgs.size(); i++) { 5957 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5958 killApplication(clientPkg.applicationInfo.packageName, 5959 clientPkg.applicationInfo.uid, "update lib"); 5960 } 5961 } 5962 5963 // writer 5964 synchronized (mPackages) { 5965 // We don't expect installation to fail beyond this point 5966 5967 // Add the new setting to mSettings 5968 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5969 // Add the new setting to mPackages 5970 mPackages.put(pkg.applicationInfo.packageName, pkg); 5971 // Make sure we don't accidentally delete its data. 5972 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5973 while (iter.hasNext()) { 5974 PackageCleanItem item = iter.next(); 5975 if (pkgName.equals(item.packageName)) { 5976 iter.remove(); 5977 } 5978 } 5979 5980 // Take care of first install / last update times. 5981 if (currentTime != 0) { 5982 if (pkgSetting.firstInstallTime == 0) { 5983 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5984 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5985 pkgSetting.lastUpdateTime = currentTime; 5986 } 5987 } else if (pkgSetting.firstInstallTime == 0) { 5988 // We need *something*. Take time time stamp of the file. 5989 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5990 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5991 if (scanFileTime != pkgSetting.timeStamp) { 5992 // A package on the system image has changed; consider this 5993 // to be an update. 5994 pkgSetting.lastUpdateTime = scanFileTime; 5995 } 5996 } 5997 5998 // Add the package's KeySets to the global KeySetManagerService 5999 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6000 try { 6001 // Old KeySetData no longer valid. 6002 ksms.removeAppKeySetDataLPw(pkg.packageName); 6003 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 6004 if (pkg.mKeySetMapping != null) { 6005 for (Map.Entry<String, ArraySet<PublicKey>> entry : 6006 pkg.mKeySetMapping.entrySet()) { 6007 if (entry.getValue() != null) { 6008 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 6009 entry.getValue(), entry.getKey()); 6010 } 6011 } 6012 if (pkg.mUpgradeKeySets != null) { 6013 for (String upgradeAlias : pkg.mUpgradeKeySets) { 6014 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 6015 } 6016 } 6017 } 6018 } catch (NullPointerException e) { 6019 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 6020 } catch (IllegalArgumentException e) { 6021 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 6022 } 6023 6024 int N = pkg.providers.size(); 6025 StringBuilder r = null; 6026 int i; 6027 for (i=0; i<N; i++) { 6028 PackageParser.Provider p = pkg.providers.get(i); 6029 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 6030 p.info.processName, pkg.applicationInfo.uid); 6031 mProviders.addProvider(p); 6032 p.syncable = p.info.isSyncable; 6033 if (p.info.authority != null) { 6034 String names[] = p.info.authority.split(";"); 6035 p.info.authority = null; 6036 for (int j = 0; j < names.length; j++) { 6037 if (j == 1 && p.syncable) { 6038 // We only want the first authority for a provider to possibly be 6039 // syncable, so if we already added this provider using a different 6040 // authority clear the syncable flag. We copy the provider before 6041 // changing it because the mProviders object contains a reference 6042 // to a provider that we don't want to change. 6043 // Only do this for the second authority since the resulting provider 6044 // object can be the same for all future authorities for this provider. 6045 p = new PackageParser.Provider(p); 6046 p.syncable = false; 6047 } 6048 if (!mProvidersByAuthority.containsKey(names[j])) { 6049 mProvidersByAuthority.put(names[j], p); 6050 if (p.info.authority == null) { 6051 p.info.authority = names[j]; 6052 } else { 6053 p.info.authority = p.info.authority + ";" + names[j]; 6054 } 6055 if (DEBUG_PACKAGE_SCANNING) { 6056 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6057 Log.d(TAG, "Registered content provider: " + names[j] 6058 + ", className = " + p.info.name + ", isSyncable = " 6059 + p.info.isSyncable); 6060 } 6061 } else { 6062 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6063 Slog.w(TAG, "Skipping provider name " + names[j] + 6064 " (in package " + pkg.applicationInfo.packageName + 6065 "): name already used by " 6066 + ((other != null && other.getComponentName() != null) 6067 ? other.getComponentName().getPackageName() : "?")); 6068 } 6069 } 6070 } 6071 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6072 if (r == null) { 6073 r = new StringBuilder(256); 6074 } else { 6075 r.append(' '); 6076 } 6077 r.append(p.info.name); 6078 } 6079 } 6080 if (r != null) { 6081 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6082 } 6083 6084 N = pkg.services.size(); 6085 r = null; 6086 for (i=0; i<N; i++) { 6087 PackageParser.Service s = pkg.services.get(i); 6088 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6089 s.info.processName, pkg.applicationInfo.uid); 6090 mServices.addService(s); 6091 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6092 if (r == null) { 6093 r = new StringBuilder(256); 6094 } else { 6095 r.append(' '); 6096 } 6097 r.append(s.info.name); 6098 } 6099 } 6100 if (r != null) { 6101 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6102 } 6103 6104 N = pkg.receivers.size(); 6105 r = null; 6106 for (i=0; i<N; i++) { 6107 PackageParser.Activity a = pkg.receivers.get(i); 6108 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6109 a.info.processName, pkg.applicationInfo.uid); 6110 mReceivers.addActivity(a, "receiver"); 6111 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6112 if (r == null) { 6113 r = new StringBuilder(256); 6114 } else { 6115 r.append(' '); 6116 } 6117 r.append(a.info.name); 6118 } 6119 } 6120 if (r != null) { 6121 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6122 } 6123 6124 N = pkg.activities.size(); 6125 r = null; 6126 for (i=0; i<N; i++) { 6127 PackageParser.Activity a = pkg.activities.get(i); 6128 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6129 a.info.processName, pkg.applicationInfo.uid); 6130 mActivities.addActivity(a, "activity"); 6131 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6132 if (r == null) { 6133 r = new StringBuilder(256); 6134 } else { 6135 r.append(' '); 6136 } 6137 r.append(a.info.name); 6138 } 6139 } 6140 if (r != null) { 6141 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6142 } 6143 6144 N = pkg.permissionGroups.size(); 6145 r = null; 6146 for (i=0; i<N; i++) { 6147 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6148 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6149 if (cur == null) { 6150 mPermissionGroups.put(pg.info.name, pg); 6151 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6152 if (r == null) { 6153 r = new StringBuilder(256); 6154 } else { 6155 r.append(' '); 6156 } 6157 r.append(pg.info.name); 6158 } 6159 } else { 6160 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6161 + pg.info.packageName + " ignored: original from " 6162 + cur.info.packageName); 6163 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6164 if (r == null) { 6165 r = new StringBuilder(256); 6166 } else { 6167 r.append(' '); 6168 } 6169 r.append("DUP:"); 6170 r.append(pg.info.name); 6171 } 6172 } 6173 } 6174 if (r != null) { 6175 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6176 } 6177 6178 N = pkg.permissions.size(); 6179 r = null; 6180 for (i=0; i<N; i++) { 6181 PackageParser.Permission p = pkg.permissions.get(i); 6182 ArrayMap<String, BasePermission> permissionMap = 6183 p.tree ? mSettings.mPermissionTrees 6184 : mSettings.mPermissions; 6185 p.group = mPermissionGroups.get(p.info.group); 6186 if (p.info.group == null || p.group != null) { 6187 BasePermission bp = permissionMap.get(p.info.name); 6188 6189 // Allow system apps to redefine non-system permissions 6190 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6191 final boolean currentOwnerIsSystem = (bp.perm != null 6192 && isSystemApp(bp.perm.owner)); 6193 if (isSystemApp(p.owner)) { 6194 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6195 // It's a built-in permission and no owner, take ownership now 6196 bp.packageSetting = pkgSetting; 6197 bp.perm = p; 6198 bp.uid = pkg.applicationInfo.uid; 6199 bp.sourcePackage = p.info.packageName; 6200 } else if (!currentOwnerIsSystem) { 6201 String msg = "New decl " + p.owner + " of permission " 6202 + p.info.name + " is system; overriding " + bp.sourcePackage; 6203 reportSettingsProblem(Log.WARN, msg); 6204 bp = null; 6205 } 6206 } 6207 } 6208 6209 if (bp == null) { 6210 bp = new BasePermission(p.info.name, p.info.packageName, 6211 BasePermission.TYPE_NORMAL); 6212 permissionMap.put(p.info.name, bp); 6213 } 6214 6215 if (bp.perm == null) { 6216 if (bp.sourcePackage == null 6217 || bp.sourcePackage.equals(p.info.packageName)) { 6218 BasePermission tree = findPermissionTreeLP(p.info.name); 6219 if (tree == null 6220 || tree.sourcePackage.equals(p.info.packageName)) { 6221 bp.packageSetting = pkgSetting; 6222 bp.perm = p; 6223 bp.uid = pkg.applicationInfo.uid; 6224 bp.sourcePackage = p.info.packageName; 6225 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6226 if (r == null) { 6227 r = new StringBuilder(256); 6228 } else { 6229 r.append(' '); 6230 } 6231 r.append(p.info.name); 6232 } 6233 } else { 6234 Slog.w(TAG, "Permission " + p.info.name + " from package " 6235 + p.info.packageName + " ignored: base tree " 6236 + tree.name + " is from package " 6237 + tree.sourcePackage); 6238 } 6239 } else { 6240 Slog.w(TAG, "Permission " + p.info.name + " from package " 6241 + p.info.packageName + " ignored: original from " 6242 + bp.sourcePackage); 6243 } 6244 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6245 if (r == null) { 6246 r = new StringBuilder(256); 6247 } else { 6248 r.append(' '); 6249 } 6250 r.append("DUP:"); 6251 r.append(p.info.name); 6252 } 6253 if (bp.perm == p) { 6254 bp.protectionLevel = p.info.protectionLevel; 6255 } 6256 } else { 6257 Slog.w(TAG, "Permission " + p.info.name + " from package " 6258 + p.info.packageName + " ignored: no group " 6259 + p.group); 6260 } 6261 } 6262 if (r != null) { 6263 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6264 } 6265 6266 N = pkg.instrumentation.size(); 6267 r = null; 6268 for (i=0; i<N; i++) { 6269 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6270 a.info.packageName = pkg.applicationInfo.packageName; 6271 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6272 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6273 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6274 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6275 a.info.dataDir = pkg.applicationInfo.dataDir; 6276 6277 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6278 // need other information about the application, like the ABI and what not ? 6279 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6280 mInstrumentation.put(a.getComponentName(), a); 6281 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6282 if (r == null) { 6283 r = new StringBuilder(256); 6284 } else { 6285 r.append(' '); 6286 } 6287 r.append(a.info.name); 6288 } 6289 } 6290 if (r != null) { 6291 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6292 } 6293 6294 if (pkg.protectedBroadcasts != null) { 6295 N = pkg.protectedBroadcasts.size(); 6296 for (i=0; i<N; i++) { 6297 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6298 } 6299 } 6300 6301 pkgSetting.setTimeStamp(scanFileTime); 6302 6303 // Create idmap files for pairs of (packages, overlay packages). 6304 // Note: "android", ie framework-res.apk, is handled by native layers. 6305 if (pkg.mOverlayTarget != null) { 6306 // This is an overlay package. 6307 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6308 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6309 mOverlays.put(pkg.mOverlayTarget, 6310 new ArrayMap<String, PackageParser.Package>()); 6311 } 6312 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6313 map.put(pkg.packageName, pkg); 6314 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6315 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6316 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6317 "scanPackageLI failed to createIdmap"); 6318 } 6319 } 6320 } else if (mOverlays.containsKey(pkg.packageName) && 6321 !pkg.packageName.equals("android")) { 6322 // This is a regular package, with one or more known overlay packages. 6323 createIdmapsForPackageLI(pkg); 6324 } 6325 } 6326 6327 return pkg; 6328 } 6329 6330 /** 6331 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6332 * i.e, so that all packages can be run inside a single process if required. 6333 * 6334 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6335 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6336 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6337 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6338 * updating a package that belongs to a shared user. 6339 * 6340 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6341 * adds unnecessary complexity. 6342 */ 6343 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6344 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6345 String requiredInstructionSet = null; 6346 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6347 requiredInstructionSet = VMRuntime.getInstructionSet( 6348 scannedPackage.applicationInfo.primaryCpuAbi); 6349 } 6350 6351 PackageSetting requirer = null; 6352 for (PackageSetting ps : packagesForUser) { 6353 // If packagesForUser contains scannedPackage, we skip it. This will happen 6354 // when scannedPackage is an update of an existing package. Without this check, 6355 // we will never be able to change the ABI of any package belonging to a shared 6356 // user, even if it's compatible with other packages. 6357 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6358 if (ps.primaryCpuAbiString == null) { 6359 continue; 6360 } 6361 6362 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6363 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6364 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6365 // this but there's not much we can do. 6366 String errorMessage = "Instruction set mismatch, " 6367 + ((requirer == null) ? "[caller]" : requirer) 6368 + " requires " + requiredInstructionSet + " whereas " + ps 6369 + " requires " + instructionSet; 6370 Slog.w(TAG, errorMessage); 6371 } 6372 6373 if (requiredInstructionSet == null) { 6374 requiredInstructionSet = instructionSet; 6375 requirer = ps; 6376 } 6377 } 6378 } 6379 6380 if (requiredInstructionSet != null) { 6381 String adjustedAbi; 6382 if (requirer != null) { 6383 // requirer != null implies that either scannedPackage was null or that scannedPackage 6384 // did not require an ABI, in which case we have to adjust scannedPackage to match 6385 // the ABI of the set (which is the same as requirer's ABI) 6386 adjustedAbi = requirer.primaryCpuAbiString; 6387 if (scannedPackage != null) { 6388 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6389 } 6390 } else { 6391 // requirer == null implies that we're updating all ABIs in the set to 6392 // match scannedPackage. 6393 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6394 } 6395 6396 for (PackageSetting ps : packagesForUser) { 6397 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6398 if (ps.primaryCpuAbiString != null) { 6399 continue; 6400 } 6401 6402 ps.primaryCpuAbiString = adjustedAbi; 6403 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6404 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6405 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6406 6407 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 6408 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 6409 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6410 ps.primaryCpuAbiString = null; 6411 ps.pkg.applicationInfo.primaryCpuAbi = null; 6412 return; 6413 } else { 6414 mInstaller.rmdex(ps.codePathString, 6415 getDexCodeInstructionSet(getPreferredInstructionSet())); 6416 } 6417 } 6418 } 6419 } 6420 } 6421 } 6422 6423 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6424 synchronized (mPackages) { 6425 mResolverReplaced = true; 6426 // Set up information for custom user intent resolution activity. 6427 mResolveActivity.applicationInfo = pkg.applicationInfo; 6428 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6429 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6430 mResolveActivity.processName = pkg.applicationInfo.packageName; 6431 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6432 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6433 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6434 mResolveActivity.theme = 0; 6435 mResolveActivity.exported = true; 6436 mResolveActivity.enabled = true; 6437 mResolveInfo.activityInfo = mResolveActivity; 6438 mResolveInfo.priority = 0; 6439 mResolveInfo.preferredOrder = 0; 6440 mResolveInfo.match = 0; 6441 mResolveComponentName = mCustomResolverComponentName; 6442 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6443 mResolveComponentName); 6444 } 6445 } 6446 6447 private static String calculateBundledApkRoot(final String codePathString) { 6448 final File codePath = new File(codePathString); 6449 final File codeRoot; 6450 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6451 codeRoot = Environment.getRootDirectory(); 6452 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6453 codeRoot = Environment.getOemDirectory(); 6454 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6455 codeRoot = Environment.getVendorDirectory(); 6456 } else { 6457 // Unrecognized code path; take its top real segment as the apk root: 6458 // e.g. /something/app/blah.apk => /something 6459 try { 6460 File f = codePath.getCanonicalFile(); 6461 File parent = f.getParentFile(); // non-null because codePath is a file 6462 File tmp; 6463 while ((tmp = parent.getParentFile()) != null) { 6464 f = parent; 6465 parent = tmp; 6466 } 6467 codeRoot = f; 6468 Slog.w(TAG, "Unrecognized code path " 6469 + codePath + " - using " + codeRoot); 6470 } catch (IOException e) { 6471 // Can't canonicalize the code path -- shenanigans? 6472 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6473 return Environment.getRootDirectory().getPath(); 6474 } 6475 } 6476 return codeRoot.getPath(); 6477 } 6478 6479 /** 6480 * Derive and set the location of native libraries for the given package, 6481 * which varies depending on where and how the package was installed. 6482 */ 6483 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6484 final ApplicationInfo info = pkg.applicationInfo; 6485 final String codePath = pkg.codePath; 6486 final File codeFile = new File(codePath); 6487 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6488 final boolean asecApp = info.isForwardLocked() || isExternal(info); 6489 6490 info.nativeLibraryRootDir = null; 6491 info.nativeLibraryRootRequiresIsa = false; 6492 info.nativeLibraryDir = null; 6493 info.secondaryNativeLibraryDir = null; 6494 6495 if (isApkFile(codeFile)) { 6496 // Monolithic install 6497 if (bundledApp) { 6498 // If "/system/lib64/apkname" exists, assume that is the per-package 6499 // native library directory to use; otherwise use "/system/lib/apkname". 6500 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6501 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6502 getPrimaryInstructionSet(info)); 6503 6504 // This is a bundled system app so choose the path based on the ABI. 6505 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6506 // is just the default path. 6507 final String apkName = deriveCodePathName(codePath); 6508 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6509 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6510 apkName).getAbsolutePath(); 6511 6512 if (info.secondaryCpuAbi != null) { 6513 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6514 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6515 secondaryLibDir, apkName).getAbsolutePath(); 6516 } 6517 } else if (asecApp) { 6518 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6519 .getAbsolutePath(); 6520 } else { 6521 final String apkName = deriveCodePathName(codePath); 6522 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6523 .getAbsolutePath(); 6524 } 6525 6526 info.nativeLibraryRootRequiresIsa = false; 6527 info.nativeLibraryDir = info.nativeLibraryRootDir; 6528 } else { 6529 // Cluster install 6530 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6531 info.nativeLibraryRootRequiresIsa = true; 6532 6533 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6534 getPrimaryInstructionSet(info)).getAbsolutePath(); 6535 6536 if (info.secondaryCpuAbi != null) { 6537 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6538 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6539 } 6540 } 6541 } 6542 6543 /** 6544 * Calculate the abis and roots for a bundled app. These can uniquely 6545 * be determined from the contents of the system partition, i.e whether 6546 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6547 * of this information, and instead assume that the system was built 6548 * sensibly. 6549 */ 6550 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6551 PackageSetting pkgSetting) { 6552 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6553 6554 // If "/system/lib64/apkname" exists, assume that is the per-package 6555 // native library directory to use; otherwise use "/system/lib/apkname". 6556 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6557 setBundledAppAbi(pkg, apkRoot, apkName); 6558 // pkgSetting might be null during rescan following uninstall of updates 6559 // to a bundled app, so accommodate that possibility. The settings in 6560 // that case will be established later from the parsed package. 6561 // 6562 // If the settings aren't null, sync them up with what we've just derived. 6563 // note that apkRoot isn't stored in the package settings. 6564 if (pkgSetting != null) { 6565 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6566 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6567 } 6568 } 6569 6570 /** 6571 * Deduces the ABI of a bundled app and sets the relevant fields on the 6572 * parsed pkg object. 6573 * 6574 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6575 * under which system libraries are installed. 6576 * @param apkName the name of the installed package. 6577 */ 6578 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6579 final File codeFile = new File(pkg.codePath); 6580 6581 final boolean has64BitLibs; 6582 final boolean has32BitLibs; 6583 if (isApkFile(codeFile)) { 6584 // Monolithic install 6585 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6586 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6587 } else { 6588 // Cluster install 6589 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6590 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6591 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6592 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6593 has64BitLibs = (new File(rootDir, isa)).exists(); 6594 } else { 6595 has64BitLibs = false; 6596 } 6597 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6598 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6599 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6600 has32BitLibs = (new File(rootDir, isa)).exists(); 6601 } else { 6602 has32BitLibs = false; 6603 } 6604 } 6605 6606 if (has64BitLibs && !has32BitLibs) { 6607 // The package has 64 bit libs, but not 32 bit libs. Its primary 6608 // ABI should be 64 bit. We can safely assume here that the bundled 6609 // native libraries correspond to the most preferred ABI in the list. 6610 6611 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6612 pkg.applicationInfo.secondaryCpuAbi = null; 6613 } else if (has32BitLibs && !has64BitLibs) { 6614 // The package has 32 bit libs but not 64 bit libs. Its primary 6615 // ABI should be 32 bit. 6616 6617 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6618 pkg.applicationInfo.secondaryCpuAbi = null; 6619 } else if (has32BitLibs && has64BitLibs) { 6620 // The application has both 64 and 32 bit bundled libraries. We check 6621 // here that the app declares multiArch support, and warn if it doesn't. 6622 // 6623 // We will be lenient here and record both ABIs. The primary will be the 6624 // ABI that's higher on the list, i.e, a device that's configured to prefer 6625 // 64 bit apps will see a 64 bit primary ABI, 6626 6627 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6628 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6629 } 6630 6631 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6632 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6633 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6634 } else { 6635 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6636 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6637 } 6638 } else { 6639 pkg.applicationInfo.primaryCpuAbi = null; 6640 pkg.applicationInfo.secondaryCpuAbi = null; 6641 } 6642 } 6643 6644 private void killApplication(String pkgName, int appId, String reason) { 6645 // Request the ActivityManager to kill the process(only for existing packages) 6646 // so that we do not end up in a confused state while the user is still using the older 6647 // version of the application while the new one gets installed. 6648 IActivityManager am = ActivityManagerNative.getDefault(); 6649 if (am != null) { 6650 try { 6651 am.killApplicationWithAppId(pkgName, appId, reason); 6652 } catch (RemoteException e) { 6653 } 6654 } 6655 } 6656 6657 void removePackageLI(PackageSetting ps, boolean chatty) { 6658 if (DEBUG_INSTALL) { 6659 if (chatty) 6660 Log.d(TAG, "Removing package " + ps.name); 6661 } 6662 6663 // writer 6664 synchronized (mPackages) { 6665 mPackages.remove(ps.name); 6666 final PackageParser.Package pkg = ps.pkg; 6667 if (pkg != null) { 6668 cleanPackageDataStructuresLILPw(pkg, chatty); 6669 } 6670 } 6671 } 6672 6673 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6674 if (DEBUG_INSTALL) { 6675 if (chatty) 6676 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6677 } 6678 6679 // writer 6680 synchronized (mPackages) { 6681 mPackages.remove(pkg.applicationInfo.packageName); 6682 cleanPackageDataStructuresLILPw(pkg, chatty); 6683 } 6684 } 6685 6686 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6687 int N = pkg.providers.size(); 6688 StringBuilder r = null; 6689 int i; 6690 for (i=0; i<N; i++) { 6691 PackageParser.Provider p = pkg.providers.get(i); 6692 mProviders.removeProvider(p); 6693 if (p.info.authority == null) { 6694 6695 /* There was another ContentProvider with this authority when 6696 * this app was installed so this authority is null, 6697 * Ignore it as we don't have to unregister the provider. 6698 */ 6699 continue; 6700 } 6701 String names[] = p.info.authority.split(";"); 6702 for (int j = 0; j < names.length; j++) { 6703 if (mProvidersByAuthority.get(names[j]) == p) { 6704 mProvidersByAuthority.remove(names[j]); 6705 if (DEBUG_REMOVE) { 6706 if (chatty) 6707 Log.d(TAG, "Unregistered content provider: " + names[j] 6708 + ", className = " + p.info.name + ", isSyncable = " 6709 + p.info.isSyncable); 6710 } 6711 } 6712 } 6713 if (DEBUG_REMOVE && chatty) { 6714 if (r == null) { 6715 r = new StringBuilder(256); 6716 } else { 6717 r.append(' '); 6718 } 6719 r.append(p.info.name); 6720 } 6721 } 6722 if (r != null) { 6723 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6724 } 6725 6726 N = pkg.services.size(); 6727 r = null; 6728 for (i=0; i<N; i++) { 6729 PackageParser.Service s = pkg.services.get(i); 6730 mServices.removeService(s); 6731 if (chatty) { 6732 if (r == null) { 6733 r = new StringBuilder(256); 6734 } else { 6735 r.append(' '); 6736 } 6737 r.append(s.info.name); 6738 } 6739 } 6740 if (r != null) { 6741 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6742 } 6743 6744 N = pkg.receivers.size(); 6745 r = null; 6746 for (i=0; i<N; i++) { 6747 PackageParser.Activity a = pkg.receivers.get(i); 6748 mReceivers.removeActivity(a, "receiver"); 6749 if (DEBUG_REMOVE && chatty) { 6750 if (r == null) { 6751 r = new StringBuilder(256); 6752 } else { 6753 r.append(' '); 6754 } 6755 r.append(a.info.name); 6756 } 6757 } 6758 if (r != null) { 6759 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6760 } 6761 6762 N = pkg.activities.size(); 6763 r = null; 6764 for (i=0; i<N; i++) { 6765 PackageParser.Activity a = pkg.activities.get(i); 6766 mActivities.removeActivity(a, "activity"); 6767 if (DEBUG_REMOVE && chatty) { 6768 if (r == null) { 6769 r = new StringBuilder(256); 6770 } else { 6771 r.append(' '); 6772 } 6773 r.append(a.info.name); 6774 } 6775 } 6776 if (r != null) { 6777 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6778 } 6779 6780 N = pkg.permissions.size(); 6781 r = null; 6782 for (i=0; i<N; i++) { 6783 PackageParser.Permission p = pkg.permissions.get(i); 6784 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6785 if (bp == null) { 6786 bp = mSettings.mPermissionTrees.get(p.info.name); 6787 } 6788 if (bp != null && bp.perm == p) { 6789 bp.perm = null; 6790 if (DEBUG_REMOVE && chatty) { 6791 if (r == null) { 6792 r = new StringBuilder(256); 6793 } else { 6794 r.append(' '); 6795 } 6796 r.append(p.info.name); 6797 } 6798 } 6799 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6800 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6801 if (appOpPerms != null) { 6802 appOpPerms.remove(pkg.packageName); 6803 } 6804 } 6805 } 6806 if (r != null) { 6807 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6808 } 6809 6810 N = pkg.requestedPermissions.size(); 6811 r = null; 6812 for (i=0; i<N; i++) { 6813 String perm = pkg.requestedPermissions.get(i); 6814 BasePermission bp = mSettings.mPermissions.get(perm); 6815 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6816 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6817 if (appOpPerms != null) { 6818 appOpPerms.remove(pkg.packageName); 6819 if (appOpPerms.isEmpty()) { 6820 mAppOpPermissionPackages.remove(perm); 6821 } 6822 } 6823 } 6824 } 6825 if (r != null) { 6826 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6827 } 6828 6829 N = pkg.instrumentation.size(); 6830 r = null; 6831 for (i=0; i<N; i++) { 6832 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6833 mInstrumentation.remove(a.getComponentName()); 6834 if (DEBUG_REMOVE && chatty) { 6835 if (r == null) { 6836 r = new StringBuilder(256); 6837 } else { 6838 r.append(' '); 6839 } 6840 r.append(a.info.name); 6841 } 6842 } 6843 if (r != null) { 6844 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6845 } 6846 6847 r = null; 6848 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6849 // Only system apps can hold shared libraries. 6850 if (pkg.libraryNames != null) { 6851 for (i=0; i<pkg.libraryNames.size(); i++) { 6852 String name = pkg.libraryNames.get(i); 6853 SharedLibraryEntry cur = mSharedLibraries.get(name); 6854 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6855 mSharedLibraries.remove(name); 6856 if (DEBUG_REMOVE && chatty) { 6857 if (r == null) { 6858 r = new StringBuilder(256); 6859 } else { 6860 r.append(' '); 6861 } 6862 r.append(name); 6863 } 6864 } 6865 } 6866 } 6867 } 6868 if (r != null) { 6869 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6870 } 6871 } 6872 6873 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6874 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6875 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6876 return true; 6877 } 6878 } 6879 return false; 6880 } 6881 6882 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6883 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6884 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6885 6886 private void updatePermissionsLPw(String changingPkg, 6887 PackageParser.Package pkgInfo, int flags) { 6888 // Make sure there are no dangling permission trees. 6889 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6890 while (it.hasNext()) { 6891 final BasePermission bp = it.next(); 6892 if (bp.packageSetting == null) { 6893 // We may not yet have parsed the package, so just see if 6894 // we still know about its settings. 6895 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6896 } 6897 if (bp.packageSetting == null) { 6898 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6899 + " from package " + bp.sourcePackage); 6900 it.remove(); 6901 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6902 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6903 Slog.i(TAG, "Removing old permission tree: " + bp.name 6904 + " from package " + bp.sourcePackage); 6905 flags |= UPDATE_PERMISSIONS_ALL; 6906 it.remove(); 6907 } 6908 } 6909 } 6910 6911 // Make sure all dynamic permissions have been assigned to a package, 6912 // and make sure there are no dangling permissions. 6913 it = mSettings.mPermissions.values().iterator(); 6914 while (it.hasNext()) { 6915 final BasePermission bp = it.next(); 6916 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6917 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6918 + bp.name + " pkg=" + bp.sourcePackage 6919 + " info=" + bp.pendingInfo); 6920 if (bp.packageSetting == null && bp.pendingInfo != null) { 6921 final BasePermission tree = findPermissionTreeLP(bp.name); 6922 if (tree != null && tree.perm != null) { 6923 bp.packageSetting = tree.packageSetting; 6924 bp.perm = new PackageParser.Permission(tree.perm.owner, 6925 new PermissionInfo(bp.pendingInfo)); 6926 bp.perm.info.packageName = tree.perm.info.packageName; 6927 bp.perm.info.name = bp.name; 6928 bp.uid = tree.uid; 6929 } 6930 } 6931 } 6932 if (bp.packageSetting == null) { 6933 // We may not yet have parsed the package, so just see if 6934 // we still know about its settings. 6935 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6936 } 6937 if (bp.packageSetting == null) { 6938 Slog.w(TAG, "Removing dangling permission: " + bp.name 6939 + " from package " + bp.sourcePackage); 6940 it.remove(); 6941 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6942 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6943 Slog.i(TAG, "Removing old permission: " + bp.name 6944 + " from package " + bp.sourcePackage); 6945 flags |= UPDATE_PERMISSIONS_ALL; 6946 it.remove(); 6947 } 6948 } 6949 } 6950 6951 // Now update the permissions for all packages, in particular 6952 // replace the granted permissions of the system packages. 6953 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6954 for (PackageParser.Package pkg : mPackages.values()) { 6955 if (pkg != pkgInfo) { 6956 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6957 changingPkg); 6958 } 6959 } 6960 } 6961 6962 if (pkgInfo != null) { 6963 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6964 } 6965 } 6966 6967 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6968 String packageOfInterest) { 6969 // IMPORTANT: There are two types of permissions: install and runtime. 6970 // Install time permissions are granted when the app is installed to 6971 // all device users and users added in the future. Runtime permissions 6972 // are granted at runtime explicitly to specific users. Normal and signature 6973 // protected permissions are install time permissions. Dangerous permissions 6974 // are install permissions if the app's target SDK is Lollipop MR1 or older, 6975 // otherwise they are runtime permissions. This function does not manage 6976 // runtime permissions except for the case an app targeting Lollipop MR1 6977 // being upgraded to target a newer SDK, in which case dangerous permissions 6978 // are transformed from install time to runtime ones. 6979 6980 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6981 if (ps == null) { 6982 return; 6983 } 6984 6985 PermissionsState permissionsState = ps.getPermissionsState(); 6986 PermissionsState origPermissions = permissionsState; 6987 6988 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 6989 6990 int[] upgradeUserIds = PermissionsState.USERS_NONE; 6991 int[] changedRuntimePermissionUserIds = PermissionsState.USERS_NONE; 6992 6993 boolean changedInstallPermission = false; 6994 6995 if (replace) { 6996 ps.installPermissionsFixed = false; 6997 origPermissions = new PermissionsState(permissionsState); 6998 permissionsState.reset(); 6999 } 7000 7001 permissionsState.setGlobalGids(mGlobalGids); 7002 7003 final int N = pkg.requestedPermissions.size(); 7004 for (int i=0; i<N; i++) { 7005 final String name = pkg.requestedPermissions.get(i); 7006 final BasePermission bp = mSettings.mPermissions.get(name); 7007 7008 if (DEBUG_INSTALL) { 7009 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 7010 } 7011 7012 if (bp == null || bp.packageSetting == null) { 7013 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7014 Slog.w(TAG, "Unknown permission " + name 7015 + " in package " + pkg.packageName); 7016 } 7017 continue; 7018 } 7019 7020 final String perm = bp.name; 7021 boolean allowedSig = false; 7022 int grant = GRANT_DENIED; 7023 7024 // Keep track of app op permissions. 7025 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7026 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 7027 if (pkgs == null) { 7028 pkgs = new ArraySet<>(); 7029 mAppOpPermissionPackages.put(bp.name, pkgs); 7030 } 7031 pkgs.add(pkg.packageName); 7032 } 7033 7034 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 7035 switch (level) { 7036 case PermissionInfo.PROTECTION_NORMAL: { 7037 // For all apps normal permissions are install time ones. 7038 grant = GRANT_INSTALL; 7039 } break; 7040 7041 case PermissionInfo.PROTECTION_DANGEROUS: { 7042 if (!RUNTIME_PERMISSIONS_ENABLED 7043 || pkg.applicationInfo.targetSdkVersion 7044 <= Build.VERSION_CODES.LOLLIPOP_MR1) { 7045 // For legacy apps dangerous permissions are install time ones. 7046 grant = GRANT_INSTALL; 7047 } else if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7048 final int[] updatedUserIds = ps.getPermissionsUpdatedForUserIds(); 7049 if (origPermissions.hasInstallPermission(bp.name)) { 7050 // If a system app had an install permission, then the app was 7051 // upgraded and we grant the permissions as runtime to all users. 7052 grant = GRANT_UPGRADE; 7053 upgradeUserIds = currentUserIds; 7054 } else if (!Arrays.equals(updatedUserIds, currentUserIds)) { 7055 // If users changed since the last permissions update for a 7056 // system app, we grant the permission as runtime to the new users. 7057 grant = GRANT_UPGRADE; 7058 upgradeUserIds = currentUserIds; 7059 for (int userId : updatedUserIds) { 7060 upgradeUserIds = ArrayUtils.removeInt(upgradeUserIds, userId); 7061 } 7062 } else { 7063 // Otherwise, we grant the permission as runtime if the app 7064 // already had it, i.e. we preserve runtime permissions. 7065 grant = GRANT_RUNTIME; 7066 } 7067 } else if (origPermissions.hasInstallPermission(bp.name)) { 7068 // For legacy apps that became modern, install becomes runtime. 7069 grant = GRANT_UPGRADE; 7070 upgradeUserIds = currentUserIds; 7071 } else if (replace) { 7072 // For upgraded modern apps keep runtime permissions unchanged. 7073 grant = GRANT_RUNTIME; 7074 } 7075 } break; 7076 7077 case PermissionInfo.PROTECTION_SIGNATURE: { 7078 // For all apps signature permissions are install time ones. 7079 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 7080 if (allowedSig) { 7081 grant = GRANT_INSTALL; 7082 } 7083 } break; 7084 } 7085 7086 if (DEBUG_INSTALL) { 7087 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7088 } 7089 7090 if (grant != GRANT_DENIED) { 7091 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 7092 // If this is an existing, non-system package, then 7093 // we can't add any new permissions to it. 7094 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 7095 // Except... if this is a permission that was added 7096 // to the platform (note: need to only do this when 7097 // updating the platform). 7098 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 7099 grant = GRANT_DENIED; 7100 } 7101 } 7102 } 7103 7104 switch (grant) { 7105 case GRANT_INSTALL: { 7106 // Grant an install permission. 7107 if (permissionsState.grantInstallPermission(bp) != 7108 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7109 changedInstallPermission = true; 7110 } 7111 } break; 7112 7113 case GRANT_RUNTIME: { 7114 // Grant previously granted runtime permissions. 7115 for (int userId : UserManagerService.getInstance().getUserIds()) { 7116 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 7117 if (permissionsState.grantRuntimePermission(bp, userId) == 7118 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7119 // If we cannot put the permission as it was, we have to write. 7120 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 7121 changedRuntimePermissionUserIds, userId); 7122 } 7123 } 7124 } 7125 } break; 7126 7127 case GRANT_UPGRADE: { 7128 // Grant runtime permissions for a previously held install permission. 7129 permissionsState.revokeInstallPermission(bp); 7130 for (int userId : upgradeUserIds) { 7131 if (permissionsState.grantRuntimePermission(bp, userId) != 7132 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7133 // If we granted the permission, we have to write. 7134 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 7135 changedRuntimePermissionUserIds, userId); 7136 } 7137 } 7138 } break; 7139 7140 default: { 7141 if (packageOfInterest == null 7142 || packageOfInterest.equals(pkg.packageName)) { 7143 Slog.w(TAG, "Not granting permission " + perm 7144 + " to package " + pkg.packageName 7145 + " because it was previously installed without"); 7146 } 7147 } break; 7148 } 7149 } else { 7150 if (permissionsState.revokeInstallPermission(bp) != 7151 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7152 changedInstallPermission = true; 7153 Slog.i(TAG, "Un-granting permission " + perm 7154 + " from package " + pkg.packageName 7155 + " (protectionLevel=" + bp.protectionLevel 7156 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7157 + ")"); 7158 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7159 // Don't print warning for app op permissions, since it is fine for them 7160 // not to be granted, there is a UI for the user to decide. 7161 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7162 Slog.w(TAG, "Not granting permission " + perm 7163 + " to package " + pkg.packageName 7164 + " (protectionLevel=" + bp.protectionLevel 7165 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7166 + ")"); 7167 } 7168 } 7169 } 7170 } 7171 7172 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 7173 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7174 // This is the first that we have heard about this package, so the 7175 // permissions we have now selected are fixed until explicitly 7176 // changed. 7177 ps.installPermissionsFixed = true; 7178 } 7179 7180 ps.setPermissionsUpdatedForUserIds(changedRuntimePermissionUserIds); 7181 7182 // Persist the runtime permissions state for users with changes. 7183 for (int userId : changedRuntimePermissionUserIds) { 7184 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 7185 } 7186 } 7187 7188 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7189 boolean allowed = false; 7190 final int NP = PackageParser.NEW_PERMISSIONS.length; 7191 for (int ip=0; ip<NP; ip++) { 7192 final PackageParser.NewPermissionInfo npi 7193 = PackageParser.NEW_PERMISSIONS[ip]; 7194 if (npi.name.equals(perm) 7195 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7196 allowed = true; 7197 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7198 + pkg.packageName); 7199 break; 7200 } 7201 } 7202 return allowed; 7203 } 7204 7205 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7206 BasePermission bp, PermissionsState origPermissions) { 7207 boolean allowed; 7208 allowed = (compareSignatures( 7209 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7210 == PackageManager.SIGNATURE_MATCH) 7211 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7212 == PackageManager.SIGNATURE_MATCH); 7213 if (!allowed && (bp.protectionLevel 7214 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7215 if (isSystemApp(pkg)) { 7216 // For updated system applications, a system permission 7217 // is granted only if it had been defined by the original application. 7218 if (isUpdatedSystemApp(pkg)) { 7219 final PackageSetting sysPs = mSettings 7220 .getDisabledSystemPkgLPr(pkg.packageName); 7221 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 7222 // If the original was granted this permission, we take 7223 // that grant decision as read and propagate it to the 7224 // update. 7225 if (sysPs.isPrivileged()) { 7226 allowed = true; 7227 } 7228 } else { 7229 // The system apk may have been updated with an older 7230 // version of the one on the data partition, but which 7231 // granted a new system permission that it didn't have 7232 // before. In this case we do want to allow the app to 7233 // now get the new permission if the ancestral apk is 7234 // privileged to get it. 7235 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7236 for (int j=0; 7237 j<sysPs.pkg.requestedPermissions.size(); j++) { 7238 if (perm.equals( 7239 sysPs.pkg.requestedPermissions.get(j))) { 7240 allowed = true; 7241 break; 7242 } 7243 } 7244 } 7245 } 7246 } else { 7247 allowed = isPrivilegedApp(pkg); 7248 } 7249 } 7250 } 7251 if (!allowed && (bp.protectionLevel 7252 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7253 // For development permissions, a development permission 7254 // is granted only if it was already granted. 7255 allowed = origPermissions.hasInstallPermission(perm); 7256 } 7257 return allowed; 7258 } 7259 7260 final class ActivityIntentResolver 7261 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7262 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7263 boolean defaultOnly, int userId) { 7264 if (!sUserManager.exists(userId)) return null; 7265 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7266 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7267 } 7268 7269 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7270 int userId) { 7271 if (!sUserManager.exists(userId)) return null; 7272 mFlags = flags; 7273 return super.queryIntent(intent, resolvedType, 7274 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7275 } 7276 7277 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7278 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7279 if (!sUserManager.exists(userId)) return null; 7280 if (packageActivities == null) { 7281 return null; 7282 } 7283 mFlags = flags; 7284 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7285 final int N = packageActivities.size(); 7286 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7287 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7288 7289 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7290 for (int i = 0; i < N; ++i) { 7291 intentFilters = packageActivities.get(i).intents; 7292 if (intentFilters != null && intentFilters.size() > 0) { 7293 PackageParser.ActivityIntentInfo[] array = 7294 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7295 intentFilters.toArray(array); 7296 listCut.add(array); 7297 } 7298 } 7299 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7300 } 7301 7302 public final void addActivity(PackageParser.Activity a, String type) { 7303 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7304 mActivities.put(a.getComponentName(), a); 7305 if (DEBUG_SHOW_INFO) 7306 Log.v( 7307 TAG, " " + type + " " + 7308 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7309 if (DEBUG_SHOW_INFO) 7310 Log.v(TAG, " Class=" + a.info.name); 7311 final int NI = a.intents.size(); 7312 for (int j=0; j<NI; j++) { 7313 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7314 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7315 intent.setPriority(0); 7316 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7317 + a.className + " with priority > 0, forcing to 0"); 7318 } 7319 if (DEBUG_SHOW_INFO) { 7320 Log.v(TAG, " IntentFilter:"); 7321 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7322 } 7323 if (!intent.debugCheck()) { 7324 Log.w(TAG, "==> For Activity " + a.info.name); 7325 } 7326 addFilter(intent); 7327 } 7328 } 7329 7330 public final void removeActivity(PackageParser.Activity a, String type) { 7331 mActivities.remove(a.getComponentName()); 7332 if (DEBUG_SHOW_INFO) { 7333 Log.v(TAG, " " + type + " " 7334 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7335 : a.info.name) + ":"); 7336 Log.v(TAG, " Class=" + a.info.name); 7337 } 7338 final int NI = a.intents.size(); 7339 for (int j=0; j<NI; j++) { 7340 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7341 if (DEBUG_SHOW_INFO) { 7342 Log.v(TAG, " IntentFilter:"); 7343 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7344 } 7345 removeFilter(intent); 7346 } 7347 } 7348 7349 @Override 7350 protected boolean allowFilterResult( 7351 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7352 ActivityInfo filterAi = filter.activity.info; 7353 for (int i=dest.size()-1; i>=0; i--) { 7354 ActivityInfo destAi = dest.get(i).activityInfo; 7355 if (destAi.name == filterAi.name 7356 && destAi.packageName == filterAi.packageName) { 7357 return false; 7358 } 7359 } 7360 return true; 7361 } 7362 7363 @Override 7364 protected ActivityIntentInfo[] newArray(int size) { 7365 return new ActivityIntentInfo[size]; 7366 } 7367 7368 @Override 7369 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7370 if (!sUserManager.exists(userId)) return true; 7371 PackageParser.Package p = filter.activity.owner; 7372 if (p != null) { 7373 PackageSetting ps = (PackageSetting)p.mExtras; 7374 if (ps != null) { 7375 // System apps are never considered stopped for purposes of 7376 // filtering, because there may be no way for the user to 7377 // actually re-launch them. 7378 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7379 && ps.getStopped(userId); 7380 } 7381 } 7382 return false; 7383 } 7384 7385 @Override 7386 protected boolean isPackageForFilter(String packageName, 7387 PackageParser.ActivityIntentInfo info) { 7388 return packageName.equals(info.activity.owner.packageName); 7389 } 7390 7391 @Override 7392 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7393 int match, int userId) { 7394 if (!sUserManager.exists(userId)) return null; 7395 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7396 return null; 7397 } 7398 final PackageParser.Activity activity = info.activity; 7399 if (mSafeMode && (activity.info.applicationInfo.flags 7400 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7401 return null; 7402 } 7403 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7404 if (ps == null) { 7405 return null; 7406 } 7407 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7408 ps.readUserState(userId), userId); 7409 if (ai == null) { 7410 return null; 7411 } 7412 final ResolveInfo res = new ResolveInfo(); 7413 res.activityInfo = ai; 7414 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7415 res.filter = info; 7416 } 7417 res.priority = info.getPriority(); 7418 res.preferredOrder = activity.owner.mPreferredOrder; 7419 //System.out.println("Result: " + res.activityInfo.className + 7420 // " = " + res.priority); 7421 res.match = match; 7422 res.isDefault = info.hasDefault; 7423 res.labelRes = info.labelRes; 7424 res.nonLocalizedLabel = info.nonLocalizedLabel; 7425 if (userNeedsBadging(userId)) { 7426 res.noResourceId = true; 7427 } else { 7428 res.icon = info.icon; 7429 } 7430 res.system = isSystemApp(res.activityInfo.applicationInfo); 7431 return res; 7432 } 7433 7434 @Override 7435 protected void sortResults(List<ResolveInfo> results) { 7436 Collections.sort(results, mResolvePrioritySorter); 7437 } 7438 7439 @Override 7440 protected void dumpFilter(PrintWriter out, String prefix, 7441 PackageParser.ActivityIntentInfo filter) { 7442 out.print(prefix); out.print( 7443 Integer.toHexString(System.identityHashCode(filter.activity))); 7444 out.print(' '); 7445 filter.activity.printComponentShortName(out); 7446 out.print(" filter "); 7447 out.println(Integer.toHexString(System.identityHashCode(filter))); 7448 } 7449 7450 @Override 7451 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7452 return filter.activity; 7453 } 7454 7455 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7456 PackageParser.Activity activity = (PackageParser.Activity)label; 7457 out.print(prefix); out.print( 7458 Integer.toHexString(System.identityHashCode(activity))); 7459 out.print(' '); 7460 activity.printComponentShortName(out); 7461 if (count > 1) { 7462 out.print(" ("); out.print(count); out.print(" filters)"); 7463 } 7464 out.println(); 7465 } 7466 7467// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7468// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7469// final List<ResolveInfo> retList = Lists.newArrayList(); 7470// while (i.hasNext()) { 7471// final ResolveInfo resolveInfo = i.next(); 7472// if (isEnabledLP(resolveInfo.activityInfo)) { 7473// retList.add(resolveInfo); 7474// } 7475// } 7476// return retList; 7477// } 7478 7479 // Keys are String (activity class name), values are Activity. 7480 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7481 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7482 private int mFlags; 7483 } 7484 7485 private final class ServiceIntentResolver 7486 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7487 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7488 boolean defaultOnly, int userId) { 7489 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7490 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7491 } 7492 7493 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7494 int userId) { 7495 if (!sUserManager.exists(userId)) return null; 7496 mFlags = flags; 7497 return super.queryIntent(intent, resolvedType, 7498 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7499 } 7500 7501 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7502 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7503 if (!sUserManager.exists(userId)) return null; 7504 if (packageServices == null) { 7505 return null; 7506 } 7507 mFlags = flags; 7508 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7509 final int N = packageServices.size(); 7510 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7511 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7512 7513 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7514 for (int i = 0; i < N; ++i) { 7515 intentFilters = packageServices.get(i).intents; 7516 if (intentFilters != null && intentFilters.size() > 0) { 7517 PackageParser.ServiceIntentInfo[] array = 7518 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7519 intentFilters.toArray(array); 7520 listCut.add(array); 7521 } 7522 } 7523 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7524 } 7525 7526 public final void addService(PackageParser.Service s) { 7527 mServices.put(s.getComponentName(), s); 7528 if (DEBUG_SHOW_INFO) { 7529 Log.v(TAG, " " 7530 + (s.info.nonLocalizedLabel != null 7531 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7532 Log.v(TAG, " Class=" + s.info.name); 7533 } 7534 final int NI = s.intents.size(); 7535 int j; 7536 for (j=0; j<NI; j++) { 7537 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7538 if (DEBUG_SHOW_INFO) { 7539 Log.v(TAG, " IntentFilter:"); 7540 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7541 } 7542 if (!intent.debugCheck()) { 7543 Log.w(TAG, "==> For Service " + s.info.name); 7544 } 7545 addFilter(intent); 7546 } 7547 } 7548 7549 public final void removeService(PackageParser.Service s) { 7550 mServices.remove(s.getComponentName()); 7551 if (DEBUG_SHOW_INFO) { 7552 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7553 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7554 Log.v(TAG, " Class=" + s.info.name); 7555 } 7556 final int NI = s.intents.size(); 7557 int j; 7558 for (j=0; j<NI; j++) { 7559 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7560 if (DEBUG_SHOW_INFO) { 7561 Log.v(TAG, " IntentFilter:"); 7562 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7563 } 7564 removeFilter(intent); 7565 } 7566 } 7567 7568 @Override 7569 protected boolean allowFilterResult( 7570 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7571 ServiceInfo filterSi = filter.service.info; 7572 for (int i=dest.size()-1; i>=0; i--) { 7573 ServiceInfo destAi = dest.get(i).serviceInfo; 7574 if (destAi.name == filterSi.name 7575 && destAi.packageName == filterSi.packageName) { 7576 return false; 7577 } 7578 } 7579 return true; 7580 } 7581 7582 @Override 7583 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7584 return new PackageParser.ServiceIntentInfo[size]; 7585 } 7586 7587 @Override 7588 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7589 if (!sUserManager.exists(userId)) return true; 7590 PackageParser.Package p = filter.service.owner; 7591 if (p != null) { 7592 PackageSetting ps = (PackageSetting)p.mExtras; 7593 if (ps != null) { 7594 // System apps are never considered stopped for purposes of 7595 // filtering, because there may be no way for the user to 7596 // actually re-launch them. 7597 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7598 && ps.getStopped(userId); 7599 } 7600 } 7601 return false; 7602 } 7603 7604 @Override 7605 protected boolean isPackageForFilter(String packageName, 7606 PackageParser.ServiceIntentInfo info) { 7607 return packageName.equals(info.service.owner.packageName); 7608 } 7609 7610 @Override 7611 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7612 int match, int userId) { 7613 if (!sUserManager.exists(userId)) return null; 7614 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7615 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7616 return null; 7617 } 7618 final PackageParser.Service service = info.service; 7619 if (mSafeMode && (service.info.applicationInfo.flags 7620 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7621 return null; 7622 } 7623 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7624 if (ps == null) { 7625 return null; 7626 } 7627 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7628 ps.readUserState(userId), userId); 7629 if (si == null) { 7630 return null; 7631 } 7632 final ResolveInfo res = new ResolveInfo(); 7633 res.serviceInfo = si; 7634 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7635 res.filter = filter; 7636 } 7637 res.priority = info.getPriority(); 7638 res.preferredOrder = service.owner.mPreferredOrder; 7639 //System.out.println("Result: " + res.activityInfo.className + 7640 // " = " + res.priority); 7641 res.match = match; 7642 res.isDefault = info.hasDefault; 7643 res.labelRes = info.labelRes; 7644 res.nonLocalizedLabel = info.nonLocalizedLabel; 7645 res.icon = info.icon; 7646 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7647 return res; 7648 } 7649 7650 @Override 7651 protected void sortResults(List<ResolveInfo> results) { 7652 Collections.sort(results, mResolvePrioritySorter); 7653 } 7654 7655 @Override 7656 protected void dumpFilter(PrintWriter out, String prefix, 7657 PackageParser.ServiceIntentInfo filter) { 7658 out.print(prefix); out.print( 7659 Integer.toHexString(System.identityHashCode(filter.service))); 7660 out.print(' '); 7661 filter.service.printComponentShortName(out); 7662 out.print(" filter "); 7663 out.println(Integer.toHexString(System.identityHashCode(filter))); 7664 } 7665 7666 @Override 7667 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7668 return filter.service; 7669 } 7670 7671 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7672 PackageParser.Service service = (PackageParser.Service)label; 7673 out.print(prefix); out.print( 7674 Integer.toHexString(System.identityHashCode(service))); 7675 out.print(' '); 7676 service.printComponentShortName(out); 7677 if (count > 1) { 7678 out.print(" ("); out.print(count); out.print(" filters)"); 7679 } 7680 out.println(); 7681 } 7682 7683// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7684// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7685// final List<ResolveInfo> retList = Lists.newArrayList(); 7686// while (i.hasNext()) { 7687// final ResolveInfo resolveInfo = (ResolveInfo) i; 7688// if (isEnabledLP(resolveInfo.serviceInfo)) { 7689// retList.add(resolveInfo); 7690// } 7691// } 7692// return retList; 7693// } 7694 7695 // Keys are String (activity class name), values are Activity. 7696 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7697 = new ArrayMap<ComponentName, PackageParser.Service>(); 7698 private int mFlags; 7699 }; 7700 7701 private final class ProviderIntentResolver 7702 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7703 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7704 boolean defaultOnly, int userId) { 7705 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7706 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7707 } 7708 7709 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7710 int userId) { 7711 if (!sUserManager.exists(userId)) 7712 return null; 7713 mFlags = flags; 7714 return super.queryIntent(intent, resolvedType, 7715 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7716 } 7717 7718 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7719 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7720 if (!sUserManager.exists(userId)) 7721 return null; 7722 if (packageProviders == null) { 7723 return null; 7724 } 7725 mFlags = flags; 7726 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7727 final int N = packageProviders.size(); 7728 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7729 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7730 7731 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7732 for (int i = 0; i < N; ++i) { 7733 intentFilters = packageProviders.get(i).intents; 7734 if (intentFilters != null && intentFilters.size() > 0) { 7735 PackageParser.ProviderIntentInfo[] array = 7736 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7737 intentFilters.toArray(array); 7738 listCut.add(array); 7739 } 7740 } 7741 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7742 } 7743 7744 public final void addProvider(PackageParser.Provider p) { 7745 if (mProviders.containsKey(p.getComponentName())) { 7746 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7747 return; 7748 } 7749 7750 mProviders.put(p.getComponentName(), p); 7751 if (DEBUG_SHOW_INFO) { 7752 Log.v(TAG, " " 7753 + (p.info.nonLocalizedLabel != null 7754 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7755 Log.v(TAG, " Class=" + p.info.name); 7756 } 7757 final int NI = p.intents.size(); 7758 int j; 7759 for (j = 0; j < NI; j++) { 7760 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7761 if (DEBUG_SHOW_INFO) { 7762 Log.v(TAG, " IntentFilter:"); 7763 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7764 } 7765 if (!intent.debugCheck()) { 7766 Log.w(TAG, "==> For Provider " + p.info.name); 7767 } 7768 addFilter(intent); 7769 } 7770 } 7771 7772 public final void removeProvider(PackageParser.Provider p) { 7773 mProviders.remove(p.getComponentName()); 7774 if (DEBUG_SHOW_INFO) { 7775 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7776 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7777 Log.v(TAG, " Class=" + p.info.name); 7778 } 7779 final int NI = p.intents.size(); 7780 int j; 7781 for (j = 0; j < NI; j++) { 7782 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7783 if (DEBUG_SHOW_INFO) { 7784 Log.v(TAG, " IntentFilter:"); 7785 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7786 } 7787 removeFilter(intent); 7788 } 7789 } 7790 7791 @Override 7792 protected boolean allowFilterResult( 7793 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7794 ProviderInfo filterPi = filter.provider.info; 7795 for (int i = dest.size() - 1; i >= 0; i--) { 7796 ProviderInfo destPi = dest.get(i).providerInfo; 7797 if (destPi.name == filterPi.name 7798 && destPi.packageName == filterPi.packageName) { 7799 return false; 7800 } 7801 } 7802 return true; 7803 } 7804 7805 @Override 7806 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7807 return new PackageParser.ProviderIntentInfo[size]; 7808 } 7809 7810 @Override 7811 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7812 if (!sUserManager.exists(userId)) 7813 return true; 7814 PackageParser.Package p = filter.provider.owner; 7815 if (p != null) { 7816 PackageSetting ps = (PackageSetting) p.mExtras; 7817 if (ps != null) { 7818 // System apps are never considered stopped for purposes of 7819 // filtering, because there may be no way for the user to 7820 // actually re-launch them. 7821 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7822 && ps.getStopped(userId); 7823 } 7824 } 7825 return false; 7826 } 7827 7828 @Override 7829 protected boolean isPackageForFilter(String packageName, 7830 PackageParser.ProviderIntentInfo info) { 7831 return packageName.equals(info.provider.owner.packageName); 7832 } 7833 7834 @Override 7835 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7836 int match, int userId) { 7837 if (!sUserManager.exists(userId)) 7838 return null; 7839 final PackageParser.ProviderIntentInfo info = filter; 7840 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7841 return null; 7842 } 7843 final PackageParser.Provider provider = info.provider; 7844 if (mSafeMode && (provider.info.applicationInfo.flags 7845 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7846 return null; 7847 } 7848 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7849 if (ps == null) { 7850 return null; 7851 } 7852 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7853 ps.readUserState(userId), userId); 7854 if (pi == null) { 7855 return null; 7856 } 7857 final ResolveInfo res = new ResolveInfo(); 7858 res.providerInfo = pi; 7859 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7860 res.filter = filter; 7861 } 7862 res.priority = info.getPriority(); 7863 res.preferredOrder = provider.owner.mPreferredOrder; 7864 res.match = match; 7865 res.isDefault = info.hasDefault; 7866 res.labelRes = info.labelRes; 7867 res.nonLocalizedLabel = info.nonLocalizedLabel; 7868 res.icon = info.icon; 7869 res.system = isSystemApp(res.providerInfo.applicationInfo); 7870 return res; 7871 } 7872 7873 @Override 7874 protected void sortResults(List<ResolveInfo> results) { 7875 Collections.sort(results, mResolvePrioritySorter); 7876 } 7877 7878 @Override 7879 protected void dumpFilter(PrintWriter out, String prefix, 7880 PackageParser.ProviderIntentInfo filter) { 7881 out.print(prefix); 7882 out.print( 7883 Integer.toHexString(System.identityHashCode(filter.provider))); 7884 out.print(' '); 7885 filter.provider.printComponentShortName(out); 7886 out.print(" filter "); 7887 out.println(Integer.toHexString(System.identityHashCode(filter))); 7888 } 7889 7890 @Override 7891 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7892 return filter.provider; 7893 } 7894 7895 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7896 PackageParser.Provider provider = (PackageParser.Provider)label; 7897 out.print(prefix); out.print( 7898 Integer.toHexString(System.identityHashCode(provider))); 7899 out.print(' '); 7900 provider.printComponentShortName(out); 7901 if (count > 1) { 7902 out.print(" ("); out.print(count); out.print(" filters)"); 7903 } 7904 out.println(); 7905 } 7906 7907 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7908 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7909 private int mFlags; 7910 }; 7911 7912 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7913 new Comparator<ResolveInfo>() { 7914 public int compare(ResolveInfo r1, ResolveInfo r2) { 7915 int v1 = r1.priority; 7916 int v2 = r2.priority; 7917 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7918 if (v1 != v2) { 7919 return (v1 > v2) ? -1 : 1; 7920 } 7921 v1 = r1.preferredOrder; 7922 v2 = r2.preferredOrder; 7923 if (v1 != v2) { 7924 return (v1 > v2) ? -1 : 1; 7925 } 7926 if (r1.isDefault != r2.isDefault) { 7927 return r1.isDefault ? -1 : 1; 7928 } 7929 v1 = r1.match; 7930 v2 = r2.match; 7931 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7932 if (v1 != v2) { 7933 return (v1 > v2) ? -1 : 1; 7934 } 7935 if (r1.system != r2.system) { 7936 return r1.system ? -1 : 1; 7937 } 7938 return 0; 7939 } 7940 }; 7941 7942 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7943 new Comparator<ProviderInfo>() { 7944 public int compare(ProviderInfo p1, ProviderInfo p2) { 7945 final int v1 = p1.initOrder; 7946 final int v2 = p2.initOrder; 7947 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7948 } 7949 }; 7950 7951 static final void sendPackageBroadcast(String action, String pkg, 7952 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7953 int[] userIds) { 7954 IActivityManager am = ActivityManagerNative.getDefault(); 7955 if (am != null) { 7956 try { 7957 if (userIds == null) { 7958 userIds = am.getRunningUserIds(); 7959 } 7960 for (int id : userIds) { 7961 final Intent intent = new Intent(action, 7962 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7963 if (extras != null) { 7964 intent.putExtras(extras); 7965 } 7966 if (targetPkg != null) { 7967 intent.setPackage(targetPkg); 7968 } 7969 // Modify the UID when posting to other users 7970 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7971 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7972 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7973 intent.putExtra(Intent.EXTRA_UID, uid); 7974 } 7975 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7976 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7977 if (DEBUG_BROADCASTS) { 7978 RuntimeException here = new RuntimeException("here"); 7979 here.fillInStackTrace(); 7980 Slog.d(TAG, "Sending to user " + id + ": " 7981 + intent.toShortString(false, true, false, false) 7982 + " " + intent.getExtras(), here); 7983 } 7984 am.broadcastIntent(null, intent, null, finishedReceiver, 7985 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7986 finishedReceiver != null, false, id); 7987 } 7988 } catch (RemoteException ex) { 7989 } 7990 } 7991 } 7992 7993 /** 7994 * Check if the external storage media is available. This is true if there 7995 * is a mounted external storage medium or if the external storage is 7996 * emulated. 7997 */ 7998 private boolean isExternalMediaAvailable() { 7999 return mMediaMounted || Environment.isExternalStorageEmulated(); 8000 } 8001 8002 @Override 8003 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 8004 // writer 8005 synchronized (mPackages) { 8006 if (!isExternalMediaAvailable()) { 8007 // If the external storage is no longer mounted at this point, 8008 // the caller may not have been able to delete all of this 8009 // packages files and can not delete any more. Bail. 8010 return null; 8011 } 8012 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 8013 if (lastPackage != null) { 8014 pkgs.remove(lastPackage); 8015 } 8016 if (pkgs.size() > 0) { 8017 return pkgs.get(0); 8018 } 8019 } 8020 return null; 8021 } 8022 8023 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 8024 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 8025 userId, andCode ? 1 : 0, packageName); 8026 if (mSystemReady) { 8027 msg.sendToTarget(); 8028 } else { 8029 if (mPostSystemReadyMessages == null) { 8030 mPostSystemReadyMessages = new ArrayList<>(); 8031 } 8032 mPostSystemReadyMessages.add(msg); 8033 } 8034 } 8035 8036 void startCleaningPackages() { 8037 // reader 8038 synchronized (mPackages) { 8039 if (!isExternalMediaAvailable()) { 8040 return; 8041 } 8042 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 8043 return; 8044 } 8045 } 8046 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 8047 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 8048 IActivityManager am = ActivityManagerNative.getDefault(); 8049 if (am != null) { 8050 try { 8051 am.startService(null, intent, null, UserHandle.USER_OWNER); 8052 } catch (RemoteException e) { 8053 } 8054 } 8055 } 8056 8057 @Override 8058 public void installPackage(String originPath, IPackageInstallObserver2 observer, 8059 int installFlags, String installerPackageName, VerificationParams verificationParams, 8060 String packageAbiOverride) { 8061 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 8062 packageAbiOverride, UserHandle.getCallingUserId()); 8063 } 8064 8065 @Override 8066 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 8067 int installFlags, String installerPackageName, VerificationParams verificationParams, 8068 String packageAbiOverride, int userId) { 8069 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 8070 8071 final int callingUid = Binder.getCallingUid(); 8072 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 8073 8074 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8075 try { 8076 if (observer != null) { 8077 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 8078 } 8079 } catch (RemoteException re) { 8080 } 8081 return; 8082 } 8083 8084 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 8085 installFlags |= PackageManager.INSTALL_FROM_ADB; 8086 8087 } else { 8088 // Caller holds INSTALL_PACKAGES permission, so we're less strict 8089 // about installerPackageName. 8090 8091 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 8092 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 8093 } 8094 8095 UserHandle user; 8096 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 8097 user = UserHandle.ALL; 8098 } else { 8099 user = new UserHandle(userId); 8100 } 8101 8102 verificationParams.setInstallerUid(callingUid); 8103 8104 final File originFile = new File(originPath); 8105 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 8106 8107 final Message msg = mHandler.obtainMessage(INIT_COPY); 8108 msg.obj = new InstallParams(origin, observer, installFlags, 8109 installerPackageName, verificationParams, user, packageAbiOverride); 8110 mHandler.sendMessage(msg); 8111 } 8112 8113 void installStage(String packageName, File stagedDir, String stagedCid, 8114 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 8115 String installerPackageName, int installerUid, UserHandle user) { 8116 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 8117 params.referrerUri, installerUid, null); 8118 8119 final OriginInfo origin; 8120 if (stagedDir != null) { 8121 origin = OriginInfo.fromStagedFile(stagedDir); 8122 } else { 8123 origin = OriginInfo.fromStagedContainer(stagedCid); 8124 } 8125 8126 final Message msg = mHandler.obtainMessage(INIT_COPY); 8127 msg.obj = new InstallParams(origin, observer, params.installFlags, 8128 installerPackageName, verifParams, user, params.abiOverride); 8129 mHandler.sendMessage(msg); 8130 } 8131 8132 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 8133 Bundle extras = new Bundle(1); 8134 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 8135 8136 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 8137 packageName, extras, null, null, new int[] {userId}); 8138 try { 8139 IActivityManager am = ActivityManagerNative.getDefault(); 8140 final boolean isSystem = 8141 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 8142 if (isSystem && am.isUserRunning(userId, false)) { 8143 // The just-installed/enabled app is bundled on the system, so presumed 8144 // to be able to run automatically without needing an explicit launch. 8145 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 8146 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 8147 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 8148 .setPackage(packageName); 8149 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 8150 android.app.AppOpsManager.OP_NONE, false, false, userId); 8151 } 8152 } catch (RemoteException e) { 8153 // shouldn't happen 8154 Slog.w(TAG, "Unable to bootstrap installed package", e); 8155 } 8156 } 8157 8158 @Override 8159 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 8160 int userId) { 8161 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8162 PackageSetting pkgSetting; 8163 final int uid = Binder.getCallingUid(); 8164 enforceCrossUserPermission(uid, userId, true, true, 8165 "setApplicationHiddenSetting for user " + userId); 8166 8167 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8168 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8169 return false; 8170 } 8171 8172 long callingId = Binder.clearCallingIdentity(); 8173 try { 8174 boolean sendAdded = false; 8175 boolean sendRemoved = false; 8176 // writer 8177 synchronized (mPackages) { 8178 pkgSetting = mSettings.mPackages.get(packageName); 8179 if (pkgSetting == null) { 8180 return false; 8181 } 8182 if (pkgSetting.getHidden(userId) != hidden) { 8183 pkgSetting.setHidden(hidden, userId); 8184 mSettings.writePackageRestrictionsLPr(userId); 8185 if (hidden) { 8186 sendRemoved = true; 8187 } else { 8188 sendAdded = true; 8189 } 8190 } 8191 } 8192 if (sendAdded) { 8193 sendPackageAddedForUser(packageName, pkgSetting, userId); 8194 return true; 8195 } 8196 if (sendRemoved) { 8197 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8198 "hiding pkg"); 8199 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8200 } 8201 } finally { 8202 Binder.restoreCallingIdentity(callingId); 8203 } 8204 return false; 8205 } 8206 8207 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8208 int userId) { 8209 final PackageRemovedInfo info = new PackageRemovedInfo(); 8210 info.removedPackage = packageName; 8211 info.removedUsers = new int[] {userId}; 8212 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8213 info.sendBroadcast(false, false, false); 8214 } 8215 8216 /** 8217 * Returns true if application is not found or there was an error. Otherwise it returns 8218 * the hidden state of the package for the given user. 8219 */ 8220 @Override 8221 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8222 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8223 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8224 false, "getApplicationHidden for user " + userId); 8225 PackageSetting pkgSetting; 8226 long callingId = Binder.clearCallingIdentity(); 8227 try { 8228 // writer 8229 synchronized (mPackages) { 8230 pkgSetting = mSettings.mPackages.get(packageName); 8231 if (pkgSetting == null) { 8232 return true; 8233 } 8234 return pkgSetting.getHidden(userId); 8235 } 8236 } finally { 8237 Binder.restoreCallingIdentity(callingId); 8238 } 8239 } 8240 8241 /** 8242 * @hide 8243 */ 8244 @Override 8245 public int installExistingPackageAsUser(String packageName, int userId) { 8246 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8247 null); 8248 PackageSetting pkgSetting; 8249 final int uid = Binder.getCallingUid(); 8250 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8251 + userId); 8252 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8253 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8254 } 8255 8256 long callingId = Binder.clearCallingIdentity(); 8257 try { 8258 boolean sendAdded = false; 8259 Bundle extras = new Bundle(1); 8260 8261 // writer 8262 synchronized (mPackages) { 8263 pkgSetting = mSettings.mPackages.get(packageName); 8264 if (pkgSetting == null) { 8265 return PackageManager.INSTALL_FAILED_INVALID_URI; 8266 } 8267 if (!pkgSetting.getInstalled(userId)) { 8268 pkgSetting.setInstalled(true, userId); 8269 pkgSetting.setHidden(false, userId); 8270 mSettings.writePackageRestrictionsLPr(userId); 8271 sendAdded = true; 8272 } 8273 } 8274 8275 if (sendAdded) { 8276 sendPackageAddedForUser(packageName, pkgSetting, userId); 8277 } 8278 } finally { 8279 Binder.restoreCallingIdentity(callingId); 8280 } 8281 8282 return PackageManager.INSTALL_SUCCEEDED; 8283 } 8284 8285 boolean isUserRestricted(int userId, String restrictionKey) { 8286 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8287 if (restrictions.getBoolean(restrictionKey, false)) { 8288 Log.w(TAG, "User is restricted: " + restrictionKey); 8289 return true; 8290 } 8291 return false; 8292 } 8293 8294 @Override 8295 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8296 mContext.enforceCallingOrSelfPermission( 8297 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8298 "Only package verification agents can verify applications"); 8299 8300 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8301 final PackageVerificationResponse response = new PackageVerificationResponse( 8302 verificationCode, Binder.getCallingUid()); 8303 msg.arg1 = id; 8304 msg.obj = response; 8305 mHandler.sendMessage(msg); 8306 } 8307 8308 @Override 8309 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8310 long millisecondsToDelay) { 8311 mContext.enforceCallingOrSelfPermission( 8312 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8313 "Only package verification agents can extend verification timeouts"); 8314 8315 final PackageVerificationState state = mPendingVerification.get(id); 8316 final PackageVerificationResponse response = new PackageVerificationResponse( 8317 verificationCodeAtTimeout, Binder.getCallingUid()); 8318 8319 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8320 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8321 } 8322 if (millisecondsToDelay < 0) { 8323 millisecondsToDelay = 0; 8324 } 8325 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8326 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8327 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8328 } 8329 8330 if ((state != null) && !state.timeoutExtended()) { 8331 state.extendTimeout(); 8332 8333 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8334 msg.arg1 = id; 8335 msg.obj = response; 8336 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8337 } 8338 } 8339 8340 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8341 int verificationCode, UserHandle user) { 8342 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8343 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8344 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8345 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8346 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8347 8348 mContext.sendBroadcastAsUser(intent, user, 8349 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8350 } 8351 8352 private ComponentName matchComponentForVerifier(String packageName, 8353 List<ResolveInfo> receivers) { 8354 ActivityInfo targetReceiver = null; 8355 8356 final int NR = receivers.size(); 8357 for (int i = 0; i < NR; i++) { 8358 final ResolveInfo info = receivers.get(i); 8359 if (info.activityInfo == null) { 8360 continue; 8361 } 8362 8363 if (packageName.equals(info.activityInfo.packageName)) { 8364 targetReceiver = info.activityInfo; 8365 break; 8366 } 8367 } 8368 8369 if (targetReceiver == null) { 8370 return null; 8371 } 8372 8373 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8374 } 8375 8376 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8377 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8378 if (pkgInfo.verifiers.length == 0) { 8379 return null; 8380 } 8381 8382 final int N = pkgInfo.verifiers.length; 8383 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8384 for (int i = 0; i < N; i++) { 8385 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8386 8387 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8388 receivers); 8389 if (comp == null) { 8390 continue; 8391 } 8392 8393 final int verifierUid = getUidForVerifier(verifierInfo); 8394 if (verifierUid == -1) { 8395 continue; 8396 } 8397 8398 if (DEBUG_VERIFY) { 8399 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8400 + " with the correct signature"); 8401 } 8402 sufficientVerifiers.add(comp); 8403 verificationState.addSufficientVerifier(verifierUid); 8404 } 8405 8406 return sufficientVerifiers; 8407 } 8408 8409 private int getUidForVerifier(VerifierInfo verifierInfo) { 8410 synchronized (mPackages) { 8411 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8412 if (pkg == null) { 8413 return -1; 8414 } else if (pkg.mSignatures.length != 1) { 8415 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8416 + " has more than one signature; ignoring"); 8417 return -1; 8418 } 8419 8420 /* 8421 * If the public key of the package's signature does not match 8422 * our expected public key, then this is a different package and 8423 * we should skip. 8424 */ 8425 8426 final byte[] expectedPublicKey; 8427 try { 8428 final Signature verifierSig = pkg.mSignatures[0]; 8429 final PublicKey publicKey = verifierSig.getPublicKey(); 8430 expectedPublicKey = publicKey.getEncoded(); 8431 } catch (CertificateException e) { 8432 return -1; 8433 } 8434 8435 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8436 8437 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8438 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8439 + " does not have the expected public key; ignoring"); 8440 return -1; 8441 } 8442 8443 return pkg.applicationInfo.uid; 8444 } 8445 } 8446 8447 @Override 8448 public void finishPackageInstall(int token) { 8449 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8450 8451 if (DEBUG_INSTALL) { 8452 Slog.v(TAG, "BM finishing package install for " + token); 8453 } 8454 8455 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8456 mHandler.sendMessage(msg); 8457 } 8458 8459 /** 8460 * Get the verification agent timeout. 8461 * 8462 * @return verification timeout in milliseconds 8463 */ 8464 private long getVerificationTimeout() { 8465 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8466 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8467 DEFAULT_VERIFICATION_TIMEOUT); 8468 } 8469 8470 /** 8471 * Get the default verification agent response code. 8472 * 8473 * @return default verification response code 8474 */ 8475 private int getDefaultVerificationResponse() { 8476 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8477 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8478 DEFAULT_VERIFICATION_RESPONSE); 8479 } 8480 8481 /** 8482 * Check whether or not package verification has been enabled. 8483 * 8484 * @return true if verification should be performed 8485 */ 8486 private boolean isVerificationEnabled(int userId, int installFlags) { 8487 if (!DEFAULT_VERIFY_ENABLE) { 8488 return false; 8489 } 8490 8491 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8492 8493 // Check if installing from ADB 8494 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8495 // Do not run verification in a test harness environment 8496 if (ActivityManager.isRunningInTestHarness()) { 8497 return false; 8498 } 8499 if (ensureVerifyAppsEnabled) { 8500 return true; 8501 } 8502 // Check if the developer does not want package verification for ADB installs 8503 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8504 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8505 return false; 8506 } 8507 } 8508 8509 if (ensureVerifyAppsEnabled) { 8510 return true; 8511 } 8512 8513 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8514 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8515 } 8516 8517 /** 8518 * Get the "allow unknown sources" setting. 8519 * 8520 * @return the current "allow unknown sources" setting 8521 */ 8522 private int getUnknownSourcesSettings() { 8523 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8524 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8525 -1); 8526 } 8527 8528 @Override 8529 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8530 final int uid = Binder.getCallingUid(); 8531 // writer 8532 synchronized (mPackages) { 8533 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8534 if (targetPackageSetting == null) { 8535 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8536 } 8537 8538 PackageSetting installerPackageSetting; 8539 if (installerPackageName != null) { 8540 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8541 if (installerPackageSetting == null) { 8542 throw new IllegalArgumentException("Unknown installer package: " 8543 + installerPackageName); 8544 } 8545 } else { 8546 installerPackageSetting = null; 8547 } 8548 8549 Signature[] callerSignature; 8550 Object obj = mSettings.getUserIdLPr(uid); 8551 if (obj != null) { 8552 if (obj instanceof SharedUserSetting) { 8553 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8554 } else if (obj instanceof PackageSetting) { 8555 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8556 } else { 8557 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8558 } 8559 } else { 8560 throw new SecurityException("Unknown calling uid " + uid); 8561 } 8562 8563 // Verify: can't set installerPackageName to a package that is 8564 // not signed with the same cert as the caller. 8565 if (installerPackageSetting != null) { 8566 if (compareSignatures(callerSignature, 8567 installerPackageSetting.signatures.mSignatures) 8568 != PackageManager.SIGNATURE_MATCH) { 8569 throw new SecurityException( 8570 "Caller does not have same cert as new installer package " 8571 + installerPackageName); 8572 } 8573 } 8574 8575 // Verify: if target already has an installer package, it must 8576 // be signed with the same cert as the caller. 8577 if (targetPackageSetting.installerPackageName != null) { 8578 PackageSetting setting = mSettings.mPackages.get( 8579 targetPackageSetting.installerPackageName); 8580 // If the currently set package isn't valid, then it's always 8581 // okay to change it. 8582 if (setting != null) { 8583 if (compareSignatures(callerSignature, 8584 setting.signatures.mSignatures) 8585 != PackageManager.SIGNATURE_MATCH) { 8586 throw new SecurityException( 8587 "Caller does not have same cert as old installer package " 8588 + targetPackageSetting.installerPackageName); 8589 } 8590 } 8591 } 8592 8593 // Okay! 8594 targetPackageSetting.installerPackageName = installerPackageName; 8595 scheduleWriteSettingsLocked(); 8596 } 8597 } 8598 8599 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8600 // Queue up an async operation since the package installation may take a little while. 8601 mHandler.post(new Runnable() { 8602 public void run() { 8603 mHandler.removeCallbacks(this); 8604 // Result object to be returned 8605 PackageInstalledInfo res = new PackageInstalledInfo(); 8606 res.returnCode = currentStatus; 8607 res.uid = -1; 8608 res.pkg = null; 8609 res.removedInfo = new PackageRemovedInfo(); 8610 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8611 args.doPreInstall(res.returnCode); 8612 synchronized (mInstallLock) { 8613 installPackageLI(args, res); 8614 } 8615 args.doPostInstall(res.returnCode, res.uid); 8616 } 8617 8618 // A restore should be performed at this point if (a) the install 8619 // succeeded, (b) the operation is not an update, and (c) the new 8620 // package has not opted out of backup participation. 8621 final boolean update = res.removedInfo.removedPackage != null; 8622 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8623 boolean doRestore = !update 8624 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8625 8626 // Set up the post-install work request bookkeeping. This will be used 8627 // and cleaned up by the post-install event handling regardless of whether 8628 // there's a restore pass performed. Token values are >= 1. 8629 int token; 8630 if (mNextInstallToken < 0) mNextInstallToken = 1; 8631 token = mNextInstallToken++; 8632 8633 PostInstallData data = new PostInstallData(args, res); 8634 mRunningInstalls.put(token, data); 8635 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8636 8637 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8638 // Pass responsibility to the Backup Manager. It will perform a 8639 // restore if appropriate, then pass responsibility back to the 8640 // Package Manager to run the post-install observer callbacks 8641 // and broadcasts. 8642 IBackupManager bm = IBackupManager.Stub.asInterface( 8643 ServiceManager.getService(Context.BACKUP_SERVICE)); 8644 if (bm != null) { 8645 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8646 + " to BM for possible restore"); 8647 try { 8648 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 8649 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8650 } else { 8651 doRestore = false; 8652 } 8653 } catch (RemoteException e) { 8654 // can't happen; the backup manager is local 8655 } catch (Exception e) { 8656 Slog.e(TAG, "Exception trying to enqueue restore", e); 8657 doRestore = false; 8658 } 8659 } else { 8660 Slog.e(TAG, "Backup Manager not found!"); 8661 doRestore = false; 8662 } 8663 } 8664 8665 if (!doRestore) { 8666 // No restore possible, or the Backup Manager was mysteriously not 8667 // available -- just fire the post-install work request directly. 8668 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8669 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8670 mHandler.sendMessage(msg); 8671 } 8672 } 8673 }); 8674 } 8675 8676 private abstract class HandlerParams { 8677 private static final int MAX_RETRIES = 4; 8678 8679 /** 8680 * Number of times startCopy() has been attempted and had a non-fatal 8681 * error. 8682 */ 8683 private int mRetries = 0; 8684 8685 /** User handle for the user requesting the information or installation. */ 8686 private final UserHandle mUser; 8687 8688 HandlerParams(UserHandle user) { 8689 mUser = user; 8690 } 8691 8692 UserHandle getUser() { 8693 return mUser; 8694 } 8695 8696 final boolean startCopy() { 8697 boolean res; 8698 try { 8699 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8700 8701 if (++mRetries > MAX_RETRIES) { 8702 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8703 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8704 handleServiceError(); 8705 return false; 8706 } else { 8707 handleStartCopy(); 8708 res = true; 8709 } 8710 } catch (RemoteException e) { 8711 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8712 mHandler.sendEmptyMessage(MCS_RECONNECT); 8713 res = false; 8714 } 8715 handleReturnCode(); 8716 return res; 8717 } 8718 8719 final void serviceError() { 8720 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8721 handleServiceError(); 8722 handleReturnCode(); 8723 } 8724 8725 abstract void handleStartCopy() throws RemoteException; 8726 abstract void handleServiceError(); 8727 abstract void handleReturnCode(); 8728 } 8729 8730 class MeasureParams extends HandlerParams { 8731 private final PackageStats mStats; 8732 private boolean mSuccess; 8733 8734 private final IPackageStatsObserver mObserver; 8735 8736 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8737 super(new UserHandle(stats.userHandle)); 8738 mObserver = observer; 8739 mStats = stats; 8740 } 8741 8742 @Override 8743 public String toString() { 8744 return "MeasureParams{" 8745 + Integer.toHexString(System.identityHashCode(this)) 8746 + " " + mStats.packageName + "}"; 8747 } 8748 8749 @Override 8750 void handleStartCopy() throws RemoteException { 8751 synchronized (mInstallLock) { 8752 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8753 } 8754 8755 if (mSuccess) { 8756 final boolean mounted; 8757 if (Environment.isExternalStorageEmulated()) { 8758 mounted = true; 8759 } else { 8760 final String status = Environment.getExternalStorageState(); 8761 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8762 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8763 } 8764 8765 if (mounted) { 8766 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8767 8768 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8769 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8770 8771 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8772 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8773 8774 // Always subtract cache size, since it's a subdirectory 8775 mStats.externalDataSize -= mStats.externalCacheSize; 8776 8777 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8778 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8779 8780 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8781 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8782 } 8783 } 8784 } 8785 8786 @Override 8787 void handleReturnCode() { 8788 if (mObserver != null) { 8789 try { 8790 mObserver.onGetStatsCompleted(mStats, mSuccess); 8791 } catch (RemoteException e) { 8792 Slog.i(TAG, "Observer no longer exists."); 8793 } 8794 } 8795 } 8796 8797 @Override 8798 void handleServiceError() { 8799 Slog.e(TAG, "Could not measure application " + mStats.packageName 8800 + " external storage"); 8801 } 8802 } 8803 8804 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8805 throws RemoteException { 8806 long result = 0; 8807 for (File path : paths) { 8808 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8809 } 8810 return result; 8811 } 8812 8813 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8814 for (File path : paths) { 8815 try { 8816 mcs.clearDirectory(path.getAbsolutePath()); 8817 } catch (RemoteException e) { 8818 } 8819 } 8820 } 8821 8822 static class OriginInfo { 8823 /** 8824 * Location where install is coming from, before it has been 8825 * copied/renamed into place. This could be a single monolithic APK 8826 * file, or a cluster directory. This location may be untrusted. 8827 */ 8828 final File file; 8829 final String cid; 8830 8831 /** 8832 * Flag indicating that {@link #file} or {@link #cid} has already been 8833 * staged, meaning downstream users don't need to defensively copy the 8834 * contents. 8835 */ 8836 final boolean staged; 8837 8838 /** 8839 * Flag indicating that {@link #file} or {@link #cid} is an already 8840 * installed app that is being moved. 8841 */ 8842 final boolean existing; 8843 8844 final String resolvedPath; 8845 final File resolvedFile; 8846 8847 static OriginInfo fromNothing() { 8848 return new OriginInfo(null, null, false, false); 8849 } 8850 8851 static OriginInfo fromUntrustedFile(File file) { 8852 return new OriginInfo(file, null, false, false); 8853 } 8854 8855 static OriginInfo fromExistingFile(File file) { 8856 return new OriginInfo(file, null, false, true); 8857 } 8858 8859 static OriginInfo fromStagedFile(File file) { 8860 return new OriginInfo(file, null, true, false); 8861 } 8862 8863 static OriginInfo fromStagedContainer(String cid) { 8864 return new OriginInfo(null, cid, true, false); 8865 } 8866 8867 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8868 this.file = file; 8869 this.cid = cid; 8870 this.staged = staged; 8871 this.existing = existing; 8872 8873 if (cid != null) { 8874 resolvedPath = PackageHelper.getSdDir(cid); 8875 resolvedFile = new File(resolvedPath); 8876 } else if (file != null) { 8877 resolvedPath = file.getAbsolutePath(); 8878 resolvedFile = file; 8879 } else { 8880 resolvedPath = null; 8881 resolvedFile = null; 8882 } 8883 } 8884 } 8885 8886 class InstallParams extends HandlerParams { 8887 final OriginInfo origin; 8888 final IPackageInstallObserver2 observer; 8889 int installFlags; 8890 final String installerPackageName; 8891 final VerificationParams verificationParams; 8892 private InstallArgs mArgs; 8893 private int mRet; 8894 final String packageAbiOverride; 8895 8896 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8897 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8898 String packageAbiOverride) { 8899 super(user); 8900 this.origin = origin; 8901 this.observer = observer; 8902 this.installFlags = installFlags; 8903 this.installerPackageName = installerPackageName; 8904 this.verificationParams = verificationParams; 8905 this.packageAbiOverride = packageAbiOverride; 8906 } 8907 8908 @Override 8909 public String toString() { 8910 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8911 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8912 } 8913 8914 public ManifestDigest getManifestDigest() { 8915 if (verificationParams == null) { 8916 return null; 8917 } 8918 return verificationParams.getManifestDigest(); 8919 } 8920 8921 private int installLocationPolicy(PackageInfoLite pkgLite) { 8922 String packageName = pkgLite.packageName; 8923 int installLocation = pkgLite.installLocation; 8924 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8925 // reader 8926 synchronized (mPackages) { 8927 PackageParser.Package pkg = mPackages.get(packageName); 8928 if (pkg != null) { 8929 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8930 // Check for downgrading. 8931 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8932 try { 8933 checkDowngrade(pkg, pkgLite); 8934 } catch (PackageManagerException e) { 8935 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8936 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8937 } 8938 } 8939 // Check for updated system application. 8940 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8941 if (onSd) { 8942 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8943 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8944 } 8945 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8946 } else { 8947 if (onSd) { 8948 // Install flag overrides everything. 8949 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8950 } 8951 // If current upgrade specifies particular preference 8952 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8953 // Application explicitly specified internal. 8954 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8955 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8956 // App explictly prefers external. Let policy decide 8957 } else { 8958 // Prefer previous location 8959 if (isExternal(pkg)) { 8960 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8961 } 8962 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8963 } 8964 } 8965 } else { 8966 // Invalid install. Return error code 8967 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8968 } 8969 } 8970 } 8971 // All the special cases have been taken care of. 8972 // Return result based on recommended install location. 8973 if (onSd) { 8974 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8975 } 8976 return pkgLite.recommendedInstallLocation; 8977 } 8978 8979 /* 8980 * Invoke remote method to get package information and install 8981 * location values. Override install location based on default 8982 * policy if needed and then create install arguments based 8983 * on the install location. 8984 */ 8985 public void handleStartCopy() throws RemoteException { 8986 int ret = PackageManager.INSTALL_SUCCEEDED; 8987 8988 // If we're already staged, we've firmly committed to an install location 8989 if (origin.staged) { 8990 if (origin.file != null) { 8991 installFlags |= PackageManager.INSTALL_INTERNAL; 8992 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8993 } else if (origin.cid != null) { 8994 installFlags |= PackageManager.INSTALL_EXTERNAL; 8995 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8996 } else { 8997 throw new IllegalStateException("Invalid stage location"); 8998 } 8999 } 9000 9001 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9002 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 9003 9004 PackageInfoLite pkgLite = null; 9005 9006 if (onInt && onSd) { 9007 // Check if both bits are set. 9008 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 9009 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9010 } else { 9011 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 9012 packageAbiOverride); 9013 9014 /* 9015 * If we have too little free space, try to free cache 9016 * before giving up. 9017 */ 9018 if (!origin.staged && pkgLite.recommendedInstallLocation 9019 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9020 // TODO: focus freeing disk space on the target device 9021 final StorageManager storage = StorageManager.from(mContext); 9022 final long lowThreshold = storage.getStorageLowBytes( 9023 Environment.getDataDirectory()); 9024 9025 final long sizeBytes = mContainerService.calculateInstalledSize( 9026 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 9027 9028 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 9029 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 9030 installFlags, packageAbiOverride); 9031 } 9032 9033 /* 9034 * The cache free must have deleted the file we 9035 * downloaded to install. 9036 * 9037 * TODO: fix the "freeCache" call to not delete 9038 * the file we care about. 9039 */ 9040 if (pkgLite.recommendedInstallLocation 9041 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9042 pkgLite.recommendedInstallLocation 9043 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 9044 } 9045 } 9046 } 9047 9048 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9049 int loc = pkgLite.recommendedInstallLocation; 9050 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 9051 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9052 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 9053 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9054 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9055 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9056 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 9057 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 9058 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9059 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 9060 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 9061 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 9062 } else { 9063 // Override with defaults if needed. 9064 loc = installLocationPolicy(pkgLite); 9065 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 9066 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 9067 } else if (!onSd && !onInt) { 9068 // Override install location with flags 9069 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 9070 // Set the flag to install on external media. 9071 installFlags |= PackageManager.INSTALL_EXTERNAL; 9072 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9073 } else { 9074 // Make sure the flag for installing on external 9075 // media is unset 9076 installFlags |= PackageManager.INSTALL_INTERNAL; 9077 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9078 } 9079 } 9080 } 9081 } 9082 9083 final InstallArgs args = createInstallArgs(this); 9084 mArgs = args; 9085 9086 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9087 /* 9088 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 9089 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 9090 */ 9091 int userIdentifier = getUser().getIdentifier(); 9092 if (userIdentifier == UserHandle.USER_ALL 9093 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 9094 userIdentifier = UserHandle.USER_OWNER; 9095 } 9096 9097 /* 9098 * Determine if we have any installed package verifiers. If we 9099 * do, then we'll defer to them to verify the packages. 9100 */ 9101 final int requiredUid = mRequiredVerifierPackage == null ? -1 9102 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 9103 if (!origin.existing && requiredUid != -1 9104 && isVerificationEnabled(userIdentifier, installFlags)) { 9105 final Intent verification = new Intent( 9106 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 9107 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 9108 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 9109 PACKAGE_MIME_TYPE); 9110 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9111 9112 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 9113 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 9114 0 /* TODO: Which userId? */); 9115 9116 if (DEBUG_VERIFY) { 9117 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 9118 + verification.toString() + " with " + pkgLite.verifiers.length 9119 + " optional verifiers"); 9120 } 9121 9122 final int verificationId = mPendingVerificationToken++; 9123 9124 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9125 9126 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 9127 installerPackageName); 9128 9129 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 9130 installFlags); 9131 9132 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 9133 pkgLite.packageName); 9134 9135 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 9136 pkgLite.versionCode); 9137 9138 if (verificationParams != null) { 9139 if (verificationParams.getVerificationURI() != null) { 9140 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 9141 verificationParams.getVerificationURI()); 9142 } 9143 if (verificationParams.getOriginatingURI() != null) { 9144 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 9145 verificationParams.getOriginatingURI()); 9146 } 9147 if (verificationParams.getReferrer() != null) { 9148 verification.putExtra(Intent.EXTRA_REFERRER, 9149 verificationParams.getReferrer()); 9150 } 9151 if (verificationParams.getOriginatingUid() >= 0) { 9152 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 9153 verificationParams.getOriginatingUid()); 9154 } 9155 if (verificationParams.getInstallerUid() >= 0) { 9156 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 9157 verificationParams.getInstallerUid()); 9158 } 9159 } 9160 9161 final PackageVerificationState verificationState = new PackageVerificationState( 9162 requiredUid, args); 9163 9164 mPendingVerification.append(verificationId, verificationState); 9165 9166 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 9167 receivers, verificationState); 9168 9169 /* 9170 * If any sufficient verifiers were listed in the package 9171 * manifest, attempt to ask them. 9172 */ 9173 if (sufficientVerifiers != null) { 9174 final int N = sufficientVerifiers.size(); 9175 if (N == 0) { 9176 Slog.i(TAG, "Additional verifiers required, but none installed."); 9177 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9178 } else { 9179 for (int i = 0; i < N; i++) { 9180 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9181 9182 final Intent sufficientIntent = new Intent(verification); 9183 sufficientIntent.setComponent(verifierComponent); 9184 9185 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9186 } 9187 } 9188 } 9189 9190 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9191 mRequiredVerifierPackage, receivers); 9192 if (ret == PackageManager.INSTALL_SUCCEEDED 9193 && mRequiredVerifierPackage != null) { 9194 /* 9195 * Send the intent to the required verification agent, 9196 * but only start the verification timeout after the 9197 * target BroadcastReceivers have run. 9198 */ 9199 verification.setComponent(requiredVerifierComponent); 9200 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9201 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9202 new BroadcastReceiver() { 9203 @Override 9204 public void onReceive(Context context, Intent intent) { 9205 final Message msg = mHandler 9206 .obtainMessage(CHECK_PENDING_VERIFICATION); 9207 msg.arg1 = verificationId; 9208 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9209 } 9210 }, null, 0, null, null); 9211 9212 /* 9213 * We don't want the copy to proceed until verification 9214 * succeeds, so null out this field. 9215 */ 9216 mArgs = null; 9217 } 9218 } else { 9219 /* 9220 * No package verification is enabled, so immediately start 9221 * the remote call to initiate copy using temporary file. 9222 */ 9223 ret = args.copyApk(mContainerService, true); 9224 } 9225 } 9226 9227 mRet = ret; 9228 } 9229 9230 @Override 9231 void handleReturnCode() { 9232 // If mArgs is null, then MCS couldn't be reached. When it 9233 // reconnects, it will try again to install. At that point, this 9234 // will succeed. 9235 if (mArgs != null) { 9236 processPendingInstall(mArgs, mRet); 9237 } 9238 } 9239 9240 @Override 9241 void handleServiceError() { 9242 mArgs = createInstallArgs(this); 9243 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9244 } 9245 9246 public boolean isForwardLocked() { 9247 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9248 } 9249 } 9250 9251 /** 9252 * Used during creation of InstallArgs 9253 * 9254 * @param installFlags package installation flags 9255 * @return true if should be installed on external storage 9256 */ 9257 private static boolean installOnSd(int installFlags) { 9258 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9259 return false; 9260 } 9261 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9262 return true; 9263 } 9264 return false; 9265 } 9266 9267 /** 9268 * Used during creation of InstallArgs 9269 * 9270 * @param installFlags package installation flags 9271 * @return true if should be installed as forward locked 9272 */ 9273 private static boolean installForwardLocked(int installFlags) { 9274 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9275 } 9276 9277 private InstallArgs createInstallArgs(InstallParams params) { 9278 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9279 return new AsecInstallArgs(params); 9280 } else { 9281 return new FileInstallArgs(params); 9282 } 9283 } 9284 9285 /** 9286 * Create args that describe an existing installed package. Typically used 9287 * when cleaning up old installs, or used as a move source. 9288 */ 9289 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9290 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9291 final boolean isInAsec; 9292 if (installOnSd(installFlags)) { 9293 /* Apps on SD card are always in ASEC containers. */ 9294 isInAsec = true; 9295 } else if (installForwardLocked(installFlags) 9296 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9297 /* 9298 * Forward-locked apps are only in ASEC containers if they're the 9299 * new style 9300 */ 9301 isInAsec = true; 9302 } else { 9303 isInAsec = false; 9304 } 9305 9306 if (isInAsec) { 9307 return new AsecInstallArgs(codePath, instructionSets, 9308 installOnSd(installFlags), installForwardLocked(installFlags)); 9309 } else { 9310 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9311 instructionSets); 9312 } 9313 } 9314 9315 static abstract class InstallArgs { 9316 /** @see InstallParams#origin */ 9317 final OriginInfo origin; 9318 9319 final IPackageInstallObserver2 observer; 9320 // Always refers to PackageManager flags only 9321 final int installFlags; 9322 final String installerPackageName; 9323 final ManifestDigest manifestDigest; 9324 final UserHandle user; 9325 final String abiOverride; 9326 9327 // The list of instruction sets supported by this app. This is currently 9328 // only used during the rmdex() phase to clean up resources. We can get rid of this 9329 // if we move dex files under the common app path. 9330 /* nullable */ String[] instructionSets; 9331 9332 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9333 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9334 String[] instructionSets, String abiOverride) { 9335 this.origin = origin; 9336 this.installFlags = installFlags; 9337 this.observer = observer; 9338 this.installerPackageName = installerPackageName; 9339 this.manifestDigest = manifestDigest; 9340 this.user = user; 9341 this.instructionSets = instructionSets; 9342 this.abiOverride = abiOverride; 9343 } 9344 9345 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9346 abstract int doPreInstall(int status); 9347 9348 /** 9349 * Rename package into final resting place. All paths on the given 9350 * scanned package should be updated to reflect the rename. 9351 */ 9352 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9353 abstract int doPostInstall(int status, int uid); 9354 9355 /** @see PackageSettingBase#codePathString */ 9356 abstract String getCodePath(); 9357 /** @see PackageSettingBase#resourcePathString */ 9358 abstract String getResourcePath(); 9359 abstract String getLegacyNativeLibraryPath(); 9360 9361 // Need installer lock especially for dex file removal. 9362 abstract void cleanUpResourcesLI(); 9363 abstract boolean doPostDeleteLI(boolean delete); 9364 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9365 9366 /** 9367 * Called before the source arguments are copied. This is used mostly 9368 * for MoveParams when it needs to read the source file to put it in the 9369 * destination. 9370 */ 9371 int doPreCopy() { 9372 return PackageManager.INSTALL_SUCCEEDED; 9373 } 9374 9375 /** 9376 * Called after the source arguments are copied. This is used mostly for 9377 * MoveParams when it needs to read the source file to put it in the 9378 * destination. 9379 * 9380 * @return 9381 */ 9382 int doPostCopy(int uid) { 9383 return PackageManager.INSTALL_SUCCEEDED; 9384 } 9385 9386 protected boolean isFwdLocked() { 9387 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9388 } 9389 9390 protected boolean isExternal() { 9391 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9392 } 9393 9394 UserHandle getUser() { 9395 return user; 9396 } 9397 } 9398 9399 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 9400 if (!allCodePaths.isEmpty()) { 9401 if (instructionSets == null) { 9402 throw new IllegalStateException("instructionSet == null"); 9403 } 9404 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9405 for (String codePath : allCodePaths) { 9406 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9407 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9408 if (retCode < 0) { 9409 Slog.w(TAG, "Couldn't remove dex file for package: " 9410 + " at location " + codePath + ", retcode=" + retCode); 9411 // we don't consider this to be a failure of the core package deletion 9412 } 9413 } 9414 } 9415 } 9416 } 9417 9418 /** 9419 * Logic to handle installation of non-ASEC applications, including copying 9420 * and renaming logic. 9421 */ 9422 class FileInstallArgs extends InstallArgs { 9423 private File codeFile; 9424 private File resourceFile; 9425 private File legacyNativeLibraryPath; 9426 9427 // Example topology: 9428 // /data/app/com.example/base.apk 9429 // /data/app/com.example/split_foo.apk 9430 // /data/app/com.example/lib/arm/libfoo.so 9431 // /data/app/com.example/lib/arm64/libfoo.so 9432 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9433 9434 /** New install */ 9435 FileInstallArgs(InstallParams params) { 9436 super(params.origin, params.observer, params.installFlags, 9437 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9438 null /* instruction sets */, params.packageAbiOverride); 9439 if (isFwdLocked()) { 9440 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9441 } 9442 } 9443 9444 /** Existing install */ 9445 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9446 String[] instructionSets) { 9447 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9448 this.codeFile = (codePath != null) ? new File(codePath) : null; 9449 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9450 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9451 new File(legacyNativeLibraryPath) : null; 9452 } 9453 9454 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9455 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9456 isFwdLocked(), abiOverride); 9457 9458 final StorageManager storage = StorageManager.from(mContext); 9459 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9460 } 9461 9462 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9463 if (origin.staged) { 9464 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9465 codeFile = origin.file; 9466 resourceFile = origin.file; 9467 return PackageManager.INSTALL_SUCCEEDED; 9468 } 9469 9470 try { 9471 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9472 codeFile = tempDir; 9473 resourceFile = tempDir; 9474 } catch (IOException e) { 9475 Slog.w(TAG, "Failed to create copy file: " + e); 9476 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9477 } 9478 9479 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9480 @Override 9481 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9482 if (!FileUtils.isValidExtFilename(name)) { 9483 throw new IllegalArgumentException("Invalid filename: " + name); 9484 } 9485 try { 9486 final File file = new File(codeFile, name); 9487 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9488 O_RDWR | O_CREAT, 0644); 9489 Os.chmod(file.getAbsolutePath(), 0644); 9490 return new ParcelFileDescriptor(fd); 9491 } catch (ErrnoException e) { 9492 throw new RemoteException("Failed to open: " + e.getMessage()); 9493 } 9494 } 9495 }; 9496 9497 int ret = PackageManager.INSTALL_SUCCEEDED; 9498 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9499 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9500 Slog.e(TAG, "Failed to copy package"); 9501 return ret; 9502 } 9503 9504 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9505 NativeLibraryHelper.Handle handle = null; 9506 try { 9507 handle = NativeLibraryHelper.Handle.create(codeFile); 9508 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9509 abiOverride); 9510 } catch (IOException e) { 9511 Slog.e(TAG, "Copying native libraries failed", e); 9512 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9513 } finally { 9514 IoUtils.closeQuietly(handle); 9515 } 9516 9517 return ret; 9518 } 9519 9520 int doPreInstall(int status) { 9521 if (status != PackageManager.INSTALL_SUCCEEDED) { 9522 cleanUp(); 9523 } 9524 return status; 9525 } 9526 9527 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9528 if (status != PackageManager.INSTALL_SUCCEEDED) { 9529 cleanUp(); 9530 return false; 9531 } else { 9532 final File beforeCodeFile = codeFile; 9533 final File afterCodeFile = getNextCodePath(pkg.packageName); 9534 9535 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9536 try { 9537 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9538 } catch (ErrnoException e) { 9539 Slog.d(TAG, "Failed to rename", e); 9540 return false; 9541 } 9542 9543 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9544 Slog.d(TAG, "Failed to restorecon"); 9545 return false; 9546 } 9547 9548 // Reflect the rename internally 9549 codeFile = afterCodeFile; 9550 resourceFile = afterCodeFile; 9551 9552 // Reflect the rename in scanned details 9553 pkg.codePath = afterCodeFile.getAbsolutePath(); 9554 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9555 pkg.baseCodePath); 9556 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9557 pkg.splitCodePaths); 9558 9559 // Reflect the rename in app info 9560 pkg.applicationInfo.setCodePath(pkg.codePath); 9561 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9562 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9563 pkg.applicationInfo.setResourcePath(pkg.codePath); 9564 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9565 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9566 9567 return true; 9568 } 9569 } 9570 9571 int doPostInstall(int status, int uid) { 9572 if (status != PackageManager.INSTALL_SUCCEEDED) { 9573 cleanUp(); 9574 } 9575 return status; 9576 } 9577 9578 @Override 9579 String getCodePath() { 9580 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9581 } 9582 9583 @Override 9584 String getResourcePath() { 9585 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9586 } 9587 9588 @Override 9589 String getLegacyNativeLibraryPath() { 9590 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9591 } 9592 9593 private boolean cleanUp() { 9594 if (codeFile == null || !codeFile.exists()) { 9595 return false; 9596 } 9597 9598 if (codeFile.isDirectory()) { 9599 FileUtils.deleteContents(codeFile); 9600 } 9601 codeFile.delete(); 9602 9603 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9604 resourceFile.delete(); 9605 } 9606 9607 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9608 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9609 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9610 } 9611 legacyNativeLibraryPath.delete(); 9612 } 9613 9614 return true; 9615 } 9616 9617 void cleanUpResourcesLI() { 9618 // Try enumerating all code paths before deleting 9619 List<String> allCodePaths = Collections.EMPTY_LIST; 9620 if (codeFile != null && codeFile.exists()) { 9621 try { 9622 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9623 allCodePaths = pkg.getAllCodePaths(); 9624 } catch (PackageParserException e) { 9625 // Ignored; we tried our best 9626 } 9627 } 9628 9629 cleanUp(); 9630 removeDexFiles(allCodePaths, instructionSets); 9631 } 9632 9633 boolean doPostDeleteLI(boolean delete) { 9634 // XXX err, shouldn't we respect the delete flag? 9635 cleanUpResourcesLI(); 9636 return true; 9637 } 9638 } 9639 9640 private boolean isAsecExternal(String cid) { 9641 final String asecPath = PackageHelper.getSdFilesystem(cid); 9642 return !asecPath.startsWith(mAsecInternalPath); 9643 } 9644 9645 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9646 PackageManagerException { 9647 if (copyRet < 0) { 9648 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9649 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9650 throw new PackageManagerException(copyRet, message); 9651 } 9652 } 9653 } 9654 9655 /** 9656 * Extract the MountService "container ID" from the full code path of an 9657 * .apk. 9658 */ 9659 static String cidFromCodePath(String fullCodePath) { 9660 int eidx = fullCodePath.lastIndexOf("/"); 9661 String subStr1 = fullCodePath.substring(0, eidx); 9662 int sidx = subStr1.lastIndexOf("/"); 9663 return subStr1.substring(sidx+1, eidx); 9664 } 9665 9666 /** 9667 * Logic to handle installation of ASEC applications, including copying and 9668 * renaming logic. 9669 */ 9670 class AsecInstallArgs extends InstallArgs { 9671 static final String RES_FILE_NAME = "pkg.apk"; 9672 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9673 9674 String cid; 9675 String packagePath; 9676 String resourcePath; 9677 String legacyNativeLibraryDir; 9678 9679 /** New install */ 9680 AsecInstallArgs(InstallParams params) { 9681 super(params.origin, params.observer, params.installFlags, 9682 params.installerPackageName, params.getManifestDigest(), 9683 params.getUser(), null /* instruction sets */, 9684 params.packageAbiOverride); 9685 } 9686 9687 /** Existing install */ 9688 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9689 boolean isExternal, boolean isForwardLocked) { 9690 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9691 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9692 instructionSets, null); 9693 // Hackily pretend we're still looking at a full code path 9694 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9695 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9696 } 9697 9698 // Extract cid from fullCodePath 9699 int eidx = fullCodePath.lastIndexOf("/"); 9700 String subStr1 = fullCodePath.substring(0, eidx); 9701 int sidx = subStr1.lastIndexOf("/"); 9702 cid = subStr1.substring(sidx+1, eidx); 9703 setMountPath(subStr1); 9704 } 9705 9706 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9707 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9708 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9709 instructionSets, null); 9710 this.cid = cid; 9711 setMountPath(PackageHelper.getSdDir(cid)); 9712 } 9713 9714 void createCopyFile() { 9715 cid = mInstallerService.allocateExternalStageCidLegacy(); 9716 } 9717 9718 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9719 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9720 abiOverride); 9721 9722 final File target; 9723 if (isExternal()) { 9724 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9725 } else { 9726 target = Environment.getDataDirectory(); 9727 } 9728 9729 final StorageManager storage = StorageManager.from(mContext); 9730 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9731 } 9732 9733 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9734 if (origin.staged) { 9735 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9736 cid = origin.cid; 9737 setMountPath(PackageHelper.getSdDir(cid)); 9738 return PackageManager.INSTALL_SUCCEEDED; 9739 } 9740 9741 if (temp) { 9742 createCopyFile(); 9743 } else { 9744 /* 9745 * Pre-emptively destroy the container since it's destroyed if 9746 * copying fails due to it existing anyway. 9747 */ 9748 PackageHelper.destroySdDir(cid); 9749 } 9750 9751 final String newMountPath = imcs.copyPackageToContainer( 9752 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9753 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9754 9755 if (newMountPath != null) { 9756 setMountPath(newMountPath); 9757 return PackageManager.INSTALL_SUCCEEDED; 9758 } else { 9759 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9760 } 9761 } 9762 9763 @Override 9764 String getCodePath() { 9765 return packagePath; 9766 } 9767 9768 @Override 9769 String getResourcePath() { 9770 return resourcePath; 9771 } 9772 9773 @Override 9774 String getLegacyNativeLibraryPath() { 9775 return legacyNativeLibraryDir; 9776 } 9777 9778 int doPreInstall(int status) { 9779 if (status != PackageManager.INSTALL_SUCCEEDED) { 9780 // Destroy container 9781 PackageHelper.destroySdDir(cid); 9782 } else { 9783 boolean mounted = PackageHelper.isContainerMounted(cid); 9784 if (!mounted) { 9785 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9786 Process.SYSTEM_UID); 9787 if (newMountPath != null) { 9788 setMountPath(newMountPath); 9789 } else { 9790 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9791 } 9792 } 9793 } 9794 return status; 9795 } 9796 9797 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9798 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9799 String newMountPath = null; 9800 if (PackageHelper.isContainerMounted(cid)) { 9801 // Unmount the container 9802 if (!PackageHelper.unMountSdDir(cid)) { 9803 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9804 return false; 9805 } 9806 } 9807 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9808 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9809 " which might be stale. Will try to clean up."); 9810 // Clean up the stale container and proceed to recreate. 9811 if (!PackageHelper.destroySdDir(newCacheId)) { 9812 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9813 return false; 9814 } 9815 // Successfully cleaned up stale container. Try to rename again. 9816 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9817 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9818 + " inspite of cleaning it up."); 9819 return false; 9820 } 9821 } 9822 if (!PackageHelper.isContainerMounted(newCacheId)) { 9823 Slog.w(TAG, "Mounting container " + newCacheId); 9824 newMountPath = PackageHelper.mountSdDir(newCacheId, 9825 getEncryptKey(), Process.SYSTEM_UID); 9826 } else { 9827 newMountPath = PackageHelper.getSdDir(newCacheId); 9828 } 9829 if (newMountPath == null) { 9830 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9831 return false; 9832 } 9833 Log.i(TAG, "Succesfully renamed " + cid + 9834 " to " + newCacheId + 9835 " at new path: " + newMountPath); 9836 cid = newCacheId; 9837 9838 final File beforeCodeFile = new File(packagePath); 9839 setMountPath(newMountPath); 9840 final File afterCodeFile = new File(packagePath); 9841 9842 // Reflect the rename in scanned details 9843 pkg.codePath = afterCodeFile.getAbsolutePath(); 9844 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9845 pkg.baseCodePath); 9846 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9847 pkg.splitCodePaths); 9848 9849 // Reflect the rename in app info 9850 pkg.applicationInfo.setCodePath(pkg.codePath); 9851 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9852 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9853 pkg.applicationInfo.setResourcePath(pkg.codePath); 9854 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9855 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9856 9857 return true; 9858 } 9859 9860 private void setMountPath(String mountPath) { 9861 final File mountFile = new File(mountPath); 9862 9863 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9864 if (monolithicFile.exists()) { 9865 packagePath = monolithicFile.getAbsolutePath(); 9866 if (isFwdLocked()) { 9867 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9868 } else { 9869 resourcePath = packagePath; 9870 } 9871 } else { 9872 packagePath = mountFile.getAbsolutePath(); 9873 resourcePath = packagePath; 9874 } 9875 9876 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9877 } 9878 9879 int doPostInstall(int status, int uid) { 9880 if (status != PackageManager.INSTALL_SUCCEEDED) { 9881 cleanUp(); 9882 } else { 9883 final int groupOwner; 9884 final String protectedFile; 9885 if (isFwdLocked()) { 9886 groupOwner = UserHandle.getSharedAppGid(uid); 9887 protectedFile = RES_FILE_NAME; 9888 } else { 9889 groupOwner = -1; 9890 protectedFile = null; 9891 } 9892 9893 if (uid < Process.FIRST_APPLICATION_UID 9894 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9895 Slog.e(TAG, "Failed to finalize " + cid); 9896 PackageHelper.destroySdDir(cid); 9897 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9898 } 9899 9900 boolean mounted = PackageHelper.isContainerMounted(cid); 9901 if (!mounted) { 9902 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9903 } 9904 } 9905 return status; 9906 } 9907 9908 private void cleanUp() { 9909 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9910 9911 // Destroy secure container 9912 PackageHelper.destroySdDir(cid); 9913 } 9914 9915 private List<String> getAllCodePaths() { 9916 final File codeFile = new File(getCodePath()); 9917 if (codeFile != null && codeFile.exists()) { 9918 try { 9919 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9920 return pkg.getAllCodePaths(); 9921 } catch (PackageParserException e) { 9922 // Ignored; we tried our best 9923 } 9924 } 9925 return Collections.EMPTY_LIST; 9926 } 9927 9928 void cleanUpResourcesLI() { 9929 // Enumerate all code paths before deleting 9930 cleanUpResourcesLI(getAllCodePaths()); 9931 } 9932 9933 private void cleanUpResourcesLI(List<String> allCodePaths) { 9934 cleanUp(); 9935 removeDexFiles(allCodePaths, instructionSets); 9936 } 9937 9938 9939 9940 String getPackageName() { 9941 return getAsecPackageName(cid); 9942 } 9943 9944 boolean doPostDeleteLI(boolean delete) { 9945 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9946 final List<String> allCodePaths = getAllCodePaths(); 9947 boolean mounted = PackageHelper.isContainerMounted(cid); 9948 if (mounted) { 9949 // Unmount first 9950 if (PackageHelper.unMountSdDir(cid)) { 9951 mounted = false; 9952 } 9953 } 9954 if (!mounted && delete) { 9955 cleanUpResourcesLI(allCodePaths); 9956 } 9957 return !mounted; 9958 } 9959 9960 @Override 9961 int doPreCopy() { 9962 if (isFwdLocked()) { 9963 if (!PackageHelper.fixSdPermissions(cid, 9964 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9965 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9966 } 9967 } 9968 9969 return PackageManager.INSTALL_SUCCEEDED; 9970 } 9971 9972 @Override 9973 int doPostCopy(int uid) { 9974 if (isFwdLocked()) { 9975 if (uid < Process.FIRST_APPLICATION_UID 9976 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9977 RES_FILE_NAME)) { 9978 Slog.e(TAG, "Failed to finalize " + cid); 9979 PackageHelper.destroySdDir(cid); 9980 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9981 } 9982 } 9983 9984 return PackageManager.INSTALL_SUCCEEDED; 9985 } 9986 } 9987 9988 static String getAsecPackageName(String packageCid) { 9989 int idx = packageCid.lastIndexOf("-"); 9990 if (idx == -1) { 9991 return packageCid; 9992 } 9993 return packageCid.substring(0, idx); 9994 } 9995 9996 // Utility method used to create code paths based on package name and available index. 9997 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9998 String idxStr = ""; 9999 int idx = 1; 10000 // Fall back to default value of idx=1 if prefix is not 10001 // part of oldCodePath 10002 if (oldCodePath != null) { 10003 String subStr = oldCodePath; 10004 // Drop the suffix right away 10005 if (suffix != null && subStr.endsWith(suffix)) { 10006 subStr = subStr.substring(0, subStr.length() - suffix.length()); 10007 } 10008 // If oldCodePath already contains prefix find out the 10009 // ending index to either increment or decrement. 10010 int sidx = subStr.lastIndexOf(prefix); 10011 if (sidx != -1) { 10012 subStr = subStr.substring(sidx + prefix.length()); 10013 if (subStr != null) { 10014 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 10015 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 10016 } 10017 try { 10018 idx = Integer.parseInt(subStr); 10019 if (idx <= 1) { 10020 idx++; 10021 } else { 10022 idx--; 10023 } 10024 } catch(NumberFormatException e) { 10025 } 10026 } 10027 } 10028 } 10029 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 10030 return prefix + idxStr; 10031 } 10032 10033 private File getNextCodePath(String packageName) { 10034 int suffix = 1; 10035 File result; 10036 do { 10037 result = new File(mAppInstallDir, packageName + "-" + suffix); 10038 suffix++; 10039 } while (result.exists()); 10040 return result; 10041 } 10042 10043 // Utility method used to ignore ADD/REMOVE events 10044 // by directory observer. 10045 private static boolean ignoreCodePath(String fullPathStr) { 10046 String apkName = deriveCodePathName(fullPathStr); 10047 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 10048 if (idx != -1 && ((idx+1) < apkName.length())) { 10049 // Make sure the package ends with a numeral 10050 String version = apkName.substring(idx+1); 10051 try { 10052 Integer.parseInt(version); 10053 return true; 10054 } catch (NumberFormatException e) {} 10055 } 10056 return false; 10057 } 10058 10059 // Utility method that returns the relative package path with respect 10060 // to the installation directory. Like say for /data/data/com.test-1.apk 10061 // string com.test-1 is returned. 10062 static String deriveCodePathName(String codePath) { 10063 if (codePath == null) { 10064 return null; 10065 } 10066 final File codeFile = new File(codePath); 10067 final String name = codeFile.getName(); 10068 if (codeFile.isDirectory()) { 10069 return name; 10070 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 10071 final int lastDot = name.lastIndexOf('.'); 10072 return name.substring(0, lastDot); 10073 } else { 10074 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 10075 return null; 10076 } 10077 } 10078 10079 class PackageInstalledInfo { 10080 String name; 10081 int uid; 10082 // The set of users that originally had this package installed. 10083 int[] origUsers; 10084 // The set of users that now have this package installed. 10085 int[] newUsers; 10086 PackageParser.Package pkg; 10087 int returnCode; 10088 String returnMsg; 10089 PackageRemovedInfo removedInfo; 10090 10091 public void setError(int code, String msg) { 10092 returnCode = code; 10093 returnMsg = msg; 10094 Slog.w(TAG, msg); 10095 } 10096 10097 public void setError(String msg, PackageParserException e) { 10098 returnCode = e.error; 10099 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10100 Slog.w(TAG, msg, e); 10101 } 10102 10103 public void setError(String msg, PackageManagerException e) { 10104 returnCode = e.error; 10105 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10106 Slog.w(TAG, msg, e); 10107 } 10108 10109 // In some error cases we want to convey more info back to the observer 10110 String origPackage; 10111 String origPermission; 10112 } 10113 10114 /* 10115 * Install a non-existing package. 10116 */ 10117 private void installNewPackageLI(PackageParser.Package pkg, 10118 int parseFlags, int scanFlags, UserHandle user, 10119 String installerPackageName, PackageInstalledInfo res) { 10120 // Remember this for later, in case we need to rollback this install 10121 String pkgName = pkg.packageName; 10122 10123 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 10124 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 10125 synchronized(mPackages) { 10126 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 10127 // A package with the same name is already installed, though 10128 // it has been renamed to an older name. The package we 10129 // are trying to install should be installed as an update to 10130 // the existing one, but that has not been requested, so bail. 10131 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10132 + " without first uninstalling package running as " 10133 + mSettings.mRenamedPackages.get(pkgName)); 10134 return; 10135 } 10136 if (mPackages.containsKey(pkgName)) { 10137 // Don't allow installation over an existing package with the same name. 10138 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10139 + " without first uninstalling."); 10140 return; 10141 } 10142 } 10143 10144 try { 10145 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 10146 System.currentTimeMillis(), user); 10147 10148 updateSettingsLI(newPackage, installerPackageName, null, null, res, user); 10149 // delete the partially installed application. the data directory will have to be 10150 // restored if it was already existing 10151 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10152 // remove package from internal structures. Note that we want deletePackageX to 10153 // delete the package data and cache directories that it created in 10154 // scanPackageLocked, unless those directories existed before we even tried to 10155 // install. 10156 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10157 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10158 res.removedInfo, true); 10159 } 10160 10161 } catch (PackageManagerException e) { 10162 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10163 } 10164 } 10165 10166 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10167 // Upgrade keysets are being used. Determine if new package has a superset of the 10168 // required keys. 10169 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10170 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10171 for (int i = 0; i < upgradeKeySets.length; i++) { 10172 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10173 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10174 return true; 10175 } 10176 } 10177 return false; 10178 } 10179 10180 private void replacePackageLI(PackageParser.Package pkg, 10181 int parseFlags, int scanFlags, UserHandle user, 10182 String installerPackageName, PackageInstalledInfo res) { 10183 PackageParser.Package oldPackage; 10184 String pkgName = pkg.packageName; 10185 int[] allUsers; 10186 boolean[] perUserInstalled; 10187 10188 // First find the old package info and check signatures 10189 synchronized(mPackages) { 10190 oldPackage = mPackages.get(pkgName); 10191 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10192 PackageSetting ps = mSettings.mPackages.get(pkgName); 10193 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10194 // default to original signature matching 10195 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10196 != PackageManager.SIGNATURE_MATCH) { 10197 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10198 "New package has a different signature: " + pkgName); 10199 return; 10200 } 10201 } else { 10202 if(!checkUpgradeKeySetLP(ps, pkg)) { 10203 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10204 "New package not signed by keys specified by upgrade-keysets: " 10205 + pkgName); 10206 return; 10207 } 10208 } 10209 10210 // In case of rollback, remember per-user/profile install state 10211 allUsers = sUserManager.getUserIds(); 10212 perUserInstalled = new boolean[allUsers.length]; 10213 for (int i = 0; i < allUsers.length; i++) { 10214 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10215 } 10216 } 10217 10218 boolean sysPkg = (isSystemApp(oldPackage)); 10219 if (sysPkg) { 10220 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10221 user, allUsers, perUserInstalled, installerPackageName, res); 10222 } else { 10223 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10224 user, allUsers, perUserInstalled, installerPackageName, res); 10225 } 10226 } 10227 10228 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10229 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10230 int[] allUsers, boolean[] perUserInstalled, 10231 String installerPackageName, PackageInstalledInfo res) { 10232 String pkgName = deletedPackage.packageName; 10233 boolean deletedPkg = true; 10234 boolean updatedSettings = false; 10235 10236 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10237 + deletedPackage); 10238 long origUpdateTime; 10239 if (pkg.mExtras != null) { 10240 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10241 } else { 10242 origUpdateTime = 0; 10243 } 10244 10245 // First delete the existing package while retaining the data directory 10246 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10247 res.removedInfo, true)) { 10248 // If the existing package wasn't successfully deleted 10249 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10250 deletedPkg = false; 10251 } else { 10252 // Successfully deleted the old package; proceed with replace. 10253 10254 // If deleted package lived in a container, give users a chance to 10255 // relinquish resources before killing. 10256 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 10257 if (DEBUG_INSTALL) { 10258 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10259 } 10260 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10261 final ArrayList<String> pkgList = new ArrayList<String>(1); 10262 pkgList.add(deletedPackage.applicationInfo.packageName); 10263 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10264 } 10265 10266 deleteCodeCacheDirsLI(pkgName); 10267 try { 10268 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10269 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10270 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res, 10271 user); 10272 updatedSettings = true; 10273 } catch (PackageManagerException e) { 10274 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10275 } 10276 } 10277 10278 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10279 // remove package from internal structures. Note that we want deletePackageX to 10280 // delete the package data and cache directories that it created in 10281 // scanPackageLocked, unless those directories existed before we even tried to 10282 // install. 10283 if(updatedSettings) { 10284 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10285 deletePackageLI( 10286 pkgName, null, true, allUsers, perUserInstalled, 10287 PackageManager.DELETE_KEEP_DATA, 10288 res.removedInfo, true); 10289 } 10290 // Since we failed to install the new package we need to restore the old 10291 // package that we deleted. 10292 if (deletedPkg) { 10293 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10294 File restoreFile = new File(deletedPackage.codePath); 10295 // Parse old package 10296 boolean oldOnSd = isExternal(deletedPackage); 10297 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10298 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10299 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10300 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10301 try { 10302 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10303 } catch (PackageManagerException e) { 10304 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10305 + e.getMessage()); 10306 return; 10307 } 10308 // Restore of old package succeeded. Update permissions. 10309 // writer 10310 synchronized (mPackages) { 10311 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10312 UPDATE_PERMISSIONS_ALL); 10313 // can downgrade to reader 10314 mSettings.writeLPr(); 10315 } 10316 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10317 } 10318 } 10319 } 10320 10321 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10322 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10323 int[] allUsers, boolean[] perUserInstalled, 10324 String installerPackageName, PackageInstalledInfo res) { 10325 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10326 + ", old=" + deletedPackage); 10327 boolean disabledSystem = false; 10328 boolean updatedSettings = false; 10329 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10330 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 10331 != 0) { 10332 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10333 } 10334 String packageName = deletedPackage.packageName; 10335 if (packageName == null) { 10336 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10337 "Attempt to delete null packageName."); 10338 return; 10339 } 10340 PackageParser.Package oldPkg; 10341 PackageSetting oldPkgSetting; 10342 // reader 10343 synchronized (mPackages) { 10344 oldPkg = mPackages.get(packageName); 10345 oldPkgSetting = mSettings.mPackages.get(packageName); 10346 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10347 (oldPkgSetting == null)) { 10348 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10349 "Couldn't find package:" + packageName + " information"); 10350 return; 10351 } 10352 } 10353 10354 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10355 10356 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10357 res.removedInfo.removedPackage = packageName; 10358 // Remove existing system package 10359 removePackageLI(oldPkgSetting, true); 10360 // writer 10361 synchronized (mPackages) { 10362 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10363 if (!disabledSystem && deletedPackage != null) { 10364 // We didn't need to disable the .apk as a current system package, 10365 // which means we are replacing another update that is already 10366 // installed. We need to make sure to delete the older one's .apk. 10367 res.removedInfo.args = createInstallArgsForExisting(0, 10368 deletedPackage.applicationInfo.getCodePath(), 10369 deletedPackage.applicationInfo.getResourcePath(), 10370 deletedPackage.applicationInfo.nativeLibraryRootDir, 10371 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10372 } else { 10373 res.removedInfo.args = null; 10374 } 10375 } 10376 10377 // Successfully disabled the old package. Now proceed with re-installation 10378 deleteCodeCacheDirsLI(packageName); 10379 10380 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10381 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10382 10383 PackageParser.Package newPackage = null; 10384 try { 10385 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10386 if (newPackage.mExtras != null) { 10387 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10388 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10389 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10390 10391 // is the update attempting to change shared user? that isn't going to work... 10392 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10393 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10394 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10395 + " to " + newPkgSetting.sharedUser); 10396 updatedSettings = true; 10397 } 10398 } 10399 10400 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10401 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res, 10402 user); 10403 updatedSettings = true; 10404 } 10405 10406 } catch (PackageManagerException e) { 10407 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10408 } 10409 10410 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10411 // Re installation failed. Restore old information 10412 // Remove new pkg information 10413 if (newPackage != null) { 10414 removeInstalledPackageLI(newPackage, true); 10415 } 10416 // Add back the old system package 10417 try { 10418 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10419 } catch (PackageManagerException e) { 10420 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10421 } 10422 // Restore the old system information in Settings 10423 synchronized (mPackages) { 10424 if (disabledSystem) { 10425 mSettings.enableSystemPackageLPw(packageName); 10426 } 10427 if (updatedSettings) { 10428 mSettings.setInstallerPackageName(packageName, 10429 oldPkgSetting.installerPackageName); 10430 } 10431 mSettings.writeLPr(); 10432 } 10433 } 10434 } 10435 10436 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10437 int[] allUsers, boolean[] perUserInstalled, 10438 PackageInstalledInfo res, UserHandle user) { 10439 String pkgName = newPackage.packageName; 10440 synchronized (mPackages) { 10441 //write settings. the installStatus will be incomplete at this stage. 10442 //note that the new package setting would have already been 10443 //added to mPackages. It hasn't been persisted yet. 10444 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10445 mSettings.writeLPr(); 10446 } 10447 10448 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10449 10450 synchronized (mPackages) { 10451 updatePermissionsLPw(newPackage.packageName, newPackage, 10452 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10453 ? UPDATE_PERMISSIONS_ALL : 0)); 10454 // For system-bundled packages, we assume that installing an upgraded version 10455 // of the package implies that the user actually wants to run that new code, 10456 // so we enable the package. 10457 PackageSetting ps = mSettings.mPackages.get(pkgName); 10458 if (ps != null) { 10459 if (isSystemApp(newPackage)) { 10460 // NB: implicit assumption that system package upgrades apply to all users 10461 if (DEBUG_INSTALL) { 10462 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10463 } 10464 if (res.origUsers != null) { 10465 for (int userHandle : res.origUsers) { 10466 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10467 userHandle, installerPackageName); 10468 } 10469 } 10470 // Also convey the prior install/uninstall state 10471 if (allUsers != null && perUserInstalled != null) { 10472 for (int i = 0; i < allUsers.length; i++) { 10473 if (DEBUG_INSTALL) { 10474 Slog.d(TAG, " user " + allUsers[i] 10475 + " => " + perUserInstalled[i]); 10476 } 10477 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10478 } 10479 // these install state changes will be persisted in the 10480 // upcoming call to mSettings.writeLPr(). 10481 } 10482 } 10483 // It's implied that when a user requests installation, they want the app to be 10484 // installed and enabled. 10485 int userId = user.getIdentifier(); 10486 if (userId != UserHandle.USER_ALL) { 10487 ps.setInstalled(true, userId); 10488 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 10489 } 10490 } 10491 res.name = pkgName; 10492 res.uid = newPackage.applicationInfo.uid; 10493 res.pkg = newPackage; 10494 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10495 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10496 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10497 //to update install status 10498 mSettings.writeLPr(); 10499 } 10500 } 10501 10502 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10503 final int installFlags = args.installFlags; 10504 String installerPackageName = args.installerPackageName; 10505 File tmpPackageFile = new File(args.getCodePath()); 10506 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10507 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10508 boolean replace = false; 10509 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10510 // Result object to be returned 10511 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10512 10513 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10514 // Retrieve PackageSettings and parse package 10515 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10516 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10517 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10518 PackageParser pp = new PackageParser(); 10519 pp.setSeparateProcesses(mSeparateProcesses); 10520 pp.setDisplayMetrics(mMetrics); 10521 10522 final PackageParser.Package pkg; 10523 try { 10524 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10525 } catch (PackageParserException e) { 10526 res.setError("Failed parse during installPackageLI", e); 10527 return; 10528 } 10529 10530 // Mark that we have an install time CPU ABI override. 10531 pkg.cpuAbiOverride = args.abiOverride; 10532 10533 String pkgName = res.name = pkg.packageName; 10534 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10535 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10536 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10537 return; 10538 } 10539 } 10540 10541 try { 10542 pp.collectCertificates(pkg, parseFlags); 10543 pp.collectManifestDigest(pkg); 10544 } catch (PackageParserException e) { 10545 res.setError("Failed collect during installPackageLI", e); 10546 return; 10547 } 10548 10549 /* If the installer passed in a manifest digest, compare it now. */ 10550 if (args.manifestDigest != null) { 10551 if (DEBUG_INSTALL) { 10552 final String parsedManifest = pkg.manifestDigest == null ? "null" 10553 : pkg.manifestDigest.toString(); 10554 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10555 + parsedManifest); 10556 } 10557 10558 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10559 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10560 return; 10561 } 10562 } else if (DEBUG_INSTALL) { 10563 final String parsedManifest = pkg.manifestDigest == null 10564 ? "null" : pkg.manifestDigest.toString(); 10565 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10566 } 10567 10568 // Get rid of all references to package scan path via parser. 10569 pp = null; 10570 String oldCodePath = null; 10571 boolean systemApp = false; 10572 synchronized (mPackages) { 10573 // Check if installing already existing package 10574 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10575 String oldName = mSettings.mRenamedPackages.get(pkgName); 10576 if (pkg.mOriginalPackages != null 10577 && pkg.mOriginalPackages.contains(oldName) 10578 && mPackages.containsKey(oldName)) { 10579 // This package is derived from an original package, 10580 // and this device has been updating from that original 10581 // name. We must continue using the original name, so 10582 // rename the new package here. 10583 pkg.setPackageName(oldName); 10584 pkgName = pkg.packageName; 10585 replace = true; 10586 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10587 + oldName + " pkgName=" + pkgName); 10588 } else if (mPackages.containsKey(pkgName)) { 10589 // This package, under its official name, already exists 10590 // on the device; we should replace it. 10591 replace = true; 10592 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10593 } 10594 } 10595 10596 PackageSetting ps = mSettings.mPackages.get(pkgName); 10597 if (ps != null) { 10598 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10599 10600 // Quick sanity check that we're signed correctly if updating; 10601 // we'll check this again later when scanning, but we want to 10602 // bail early here before tripping over redefined permissions. 10603 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10604 try { 10605 verifySignaturesLP(ps, pkg); 10606 } catch (PackageManagerException e) { 10607 res.setError(e.error, e.getMessage()); 10608 return; 10609 } 10610 } else { 10611 if (!checkUpgradeKeySetLP(ps, pkg)) { 10612 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10613 + pkg.packageName + " upgrade keys do not match the " 10614 + "previously installed version"); 10615 return; 10616 } 10617 } 10618 10619 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10620 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10621 systemApp = (ps.pkg.applicationInfo.flags & 10622 ApplicationInfo.FLAG_SYSTEM) != 0; 10623 } 10624 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10625 } 10626 10627 // Check whether the newly-scanned package wants to define an already-defined perm 10628 int N = pkg.permissions.size(); 10629 for (int i = N-1; i >= 0; i--) { 10630 PackageParser.Permission perm = pkg.permissions.get(i); 10631 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10632 if (bp != null) { 10633 // If the defining package is signed with our cert, it's okay. This 10634 // also includes the "updating the same package" case, of course. 10635 // "updating same package" could also involve key-rotation. 10636 final boolean sigsOk; 10637 if (!bp.sourcePackage.equals(pkg.packageName) 10638 || !(bp.packageSetting instanceof PackageSetting) 10639 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10640 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10641 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10642 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10643 } else { 10644 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10645 } 10646 if (!sigsOk) { 10647 // If the owning package is the system itself, we log but allow 10648 // install to proceed; we fail the install on all other permission 10649 // redefinitions. 10650 if (!bp.sourcePackage.equals("android")) { 10651 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10652 + pkg.packageName + " attempting to redeclare permission " 10653 + perm.info.name + " already owned by " + bp.sourcePackage); 10654 res.origPermission = perm.info.name; 10655 res.origPackage = bp.sourcePackage; 10656 return; 10657 } else { 10658 Slog.w(TAG, "Package " + pkg.packageName 10659 + " attempting to redeclare system permission " 10660 + perm.info.name + "; ignoring new declaration"); 10661 pkg.permissions.remove(i); 10662 } 10663 } 10664 } 10665 } 10666 10667 } 10668 10669 if (systemApp && onSd) { 10670 // Disable updates to system apps on sdcard 10671 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10672 "Cannot install updates to system apps on sdcard"); 10673 return; 10674 } 10675 10676 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10677 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10678 return; 10679 } 10680 10681 if (replace) { 10682 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10683 installerPackageName, res); 10684 } else { 10685 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10686 args.user, installerPackageName, res); 10687 } 10688 synchronized (mPackages) { 10689 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10690 if (ps != null) { 10691 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10692 } 10693 } 10694 } 10695 10696 private static boolean isMultiArch(PackageSetting ps) { 10697 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10698 } 10699 10700 private static boolean isMultiArch(ApplicationInfo info) { 10701 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10702 } 10703 10704 private static boolean isExternal(PackageParser.Package pkg) { 10705 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10706 } 10707 10708 private static boolean isExternal(PackageSetting ps) { 10709 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10710 } 10711 10712 private static boolean isExternal(ApplicationInfo info) { 10713 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10714 } 10715 10716 private static boolean isSystemApp(PackageParser.Package pkg) { 10717 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10718 } 10719 10720 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10721 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 10722 } 10723 10724 private static boolean isSystemApp(ApplicationInfo info) { 10725 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10726 } 10727 10728 private static boolean isSystemApp(PackageSetting ps) { 10729 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10730 } 10731 10732 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10733 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10734 } 10735 10736 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10737 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10738 } 10739 10740 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10741 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10742 } 10743 10744 private int packageFlagsToInstallFlags(PackageSetting ps) { 10745 int installFlags = 0; 10746 if (isExternal(ps)) { 10747 installFlags |= PackageManager.INSTALL_EXTERNAL; 10748 } 10749 if (ps.isForwardLocked()) { 10750 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10751 } 10752 return installFlags; 10753 } 10754 10755 private void deleteTempPackageFiles() { 10756 final FilenameFilter filter = new FilenameFilter() { 10757 public boolean accept(File dir, String name) { 10758 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10759 } 10760 }; 10761 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10762 file.delete(); 10763 } 10764 } 10765 10766 @Override 10767 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10768 int flags) { 10769 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10770 flags); 10771 } 10772 10773 @Override 10774 public void deletePackage(final String packageName, 10775 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10776 mContext.enforceCallingOrSelfPermission( 10777 android.Manifest.permission.DELETE_PACKAGES, null); 10778 final int uid = Binder.getCallingUid(); 10779 if (UserHandle.getUserId(uid) != userId) { 10780 mContext.enforceCallingPermission( 10781 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10782 "deletePackage for user " + userId); 10783 } 10784 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10785 try { 10786 observer.onPackageDeleted(packageName, 10787 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10788 } catch (RemoteException re) { 10789 } 10790 return; 10791 } 10792 10793 boolean uninstallBlocked = false; 10794 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10795 int[] users = sUserManager.getUserIds(); 10796 for (int i = 0; i < users.length; ++i) { 10797 if (getBlockUninstallForUser(packageName, users[i])) { 10798 uninstallBlocked = true; 10799 break; 10800 } 10801 } 10802 } else { 10803 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10804 } 10805 if (uninstallBlocked) { 10806 try { 10807 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10808 null); 10809 } catch (RemoteException re) { 10810 } 10811 return; 10812 } 10813 10814 if (DEBUG_REMOVE) { 10815 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10816 } 10817 // Queue up an async operation since the package deletion may take a little while. 10818 mHandler.post(new Runnable() { 10819 public void run() { 10820 mHandler.removeCallbacks(this); 10821 final int returnCode = deletePackageX(packageName, userId, flags); 10822 if (observer != null) { 10823 try { 10824 observer.onPackageDeleted(packageName, returnCode, null); 10825 } catch (RemoteException e) { 10826 Log.i(TAG, "Observer no longer exists."); 10827 } //end catch 10828 } //end if 10829 } //end run 10830 }); 10831 } 10832 10833 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10834 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10835 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10836 try { 10837 if (dpm != null) { 10838 if (dpm.isDeviceOwner(packageName)) { 10839 return true; 10840 } 10841 int[] users; 10842 if (userId == UserHandle.USER_ALL) { 10843 users = sUserManager.getUserIds(); 10844 } else { 10845 users = new int[]{userId}; 10846 } 10847 for (int i = 0; i < users.length; ++i) { 10848 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10849 return true; 10850 } 10851 } 10852 } 10853 } catch (RemoteException e) { 10854 } 10855 return false; 10856 } 10857 10858 /** 10859 * This method is an internal method that could be get invoked either 10860 * to delete an installed package or to clean up a failed installation. 10861 * After deleting an installed package, a broadcast is sent to notify any 10862 * listeners that the package has been installed. For cleaning up a failed 10863 * installation, the broadcast is not necessary since the package's 10864 * installation wouldn't have sent the initial broadcast either 10865 * The key steps in deleting a package are 10866 * deleting the package information in internal structures like mPackages, 10867 * deleting the packages base directories through installd 10868 * updating mSettings to reflect current status 10869 * persisting settings for later use 10870 * sending a broadcast if necessary 10871 */ 10872 private int deletePackageX(String packageName, int userId, int flags) { 10873 final PackageRemovedInfo info = new PackageRemovedInfo(); 10874 final boolean res; 10875 10876 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10877 ? UserHandle.ALL : new UserHandle(userId); 10878 10879 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10880 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10881 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10882 } 10883 10884 boolean removedForAllUsers = false; 10885 boolean systemUpdate = false; 10886 10887 // for the uninstall-updates case and restricted profiles, remember the per- 10888 // userhandle installed state 10889 int[] allUsers; 10890 boolean[] perUserInstalled; 10891 synchronized (mPackages) { 10892 PackageSetting ps = mSettings.mPackages.get(packageName); 10893 allUsers = sUserManager.getUserIds(); 10894 perUserInstalled = new boolean[allUsers.length]; 10895 for (int i = 0; i < allUsers.length; i++) { 10896 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10897 } 10898 } 10899 10900 synchronized (mInstallLock) { 10901 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10902 res = deletePackageLI(packageName, removeForUser, 10903 true, allUsers, perUserInstalled, 10904 flags | REMOVE_CHATTY, info, true); 10905 systemUpdate = info.isRemovedPackageSystemUpdate; 10906 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10907 removedForAllUsers = true; 10908 } 10909 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10910 + " removedForAllUsers=" + removedForAllUsers); 10911 } 10912 10913 if (res) { 10914 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10915 10916 // If the removed package was a system update, the old system package 10917 // was re-enabled; we need to broadcast this information 10918 if (systemUpdate) { 10919 Bundle extras = new Bundle(1); 10920 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10921 ? info.removedAppId : info.uid); 10922 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10923 10924 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10925 extras, null, null, null); 10926 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10927 extras, null, null, null); 10928 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10929 null, packageName, null, null); 10930 } 10931 } 10932 // Force a gc here. 10933 Runtime.getRuntime().gc(); 10934 // Delete the resources here after sending the broadcast to let 10935 // other processes clean up before deleting resources. 10936 if (info.args != null) { 10937 synchronized (mInstallLock) { 10938 info.args.doPostDeleteLI(true); 10939 } 10940 } 10941 10942 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10943 } 10944 10945 static class PackageRemovedInfo { 10946 String removedPackage; 10947 int uid = -1; 10948 int removedAppId = -1; 10949 int[] removedUsers = null; 10950 boolean isRemovedPackageSystemUpdate = false; 10951 // Clean up resources deleted packages. 10952 InstallArgs args = null; 10953 10954 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10955 Bundle extras = new Bundle(1); 10956 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10957 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10958 if (replacing) { 10959 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10960 } 10961 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10962 if (removedPackage != null) { 10963 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10964 extras, null, null, removedUsers); 10965 if (fullRemove && !replacing) { 10966 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10967 extras, null, null, removedUsers); 10968 } 10969 } 10970 if (removedAppId >= 0) { 10971 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10972 removedUsers); 10973 } 10974 } 10975 } 10976 10977 /* 10978 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10979 * flag is not set, the data directory is removed as well. 10980 * make sure this flag is set for partially installed apps. If not its meaningless to 10981 * delete a partially installed application. 10982 */ 10983 private void removePackageDataLI(PackageSetting ps, 10984 int[] allUserHandles, boolean[] perUserInstalled, 10985 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10986 String packageName = ps.name; 10987 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10988 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10989 // Retrieve object to delete permissions for shared user later on 10990 final PackageSetting deletedPs; 10991 // reader 10992 synchronized (mPackages) { 10993 deletedPs = mSettings.mPackages.get(packageName); 10994 if (outInfo != null) { 10995 outInfo.removedPackage = packageName; 10996 outInfo.removedUsers = deletedPs != null 10997 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10998 : null; 10999 } 11000 } 11001 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11002 removeDataDirsLI(packageName); 11003 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 11004 } 11005 // writer 11006 synchronized (mPackages) { 11007 if (deletedPs != null) { 11008 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11009 if (outInfo != null) { 11010 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 11011 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 11012 } 11013 updatePermissionsLPw(deletedPs.name, null, 0); 11014 if (deletedPs.sharedUser != null) { 11015 // Remove permissions associated with package. Since runtime 11016 // permissions are per user we have to kill the removed package 11017 // or packages running under the shared user of the removed 11018 // package if revoking the permissions requested only by the removed 11019 // package is successful and this causes a change in gids. 11020 for (int userId : UserManagerService.getInstance().getUserIds()) { 11021 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 11022 userId); 11023 if (userIdToKill == userId) { 11024 // If gids changed for this user, kill all affected packages. 11025 killSettingPackagesForUser(deletedPs, userIdToKill, 11026 KILL_APP_REASON_GIDS_CHANGED); 11027 } else if (userIdToKill == UserHandle.USER_ALL) { 11028 // If gids changed for all users, kill them all - done. 11029 killSettingPackagesForUser(deletedPs, userIdToKill, 11030 KILL_APP_REASON_GIDS_CHANGED); 11031 break; 11032 } 11033 } 11034 } 11035 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 11036 } 11037 // make sure to preserve per-user disabled state if this removal was just 11038 // a downgrade of a system app to the factory package 11039 if (allUserHandles != null && perUserInstalled != null) { 11040 if (DEBUG_REMOVE) { 11041 Slog.d(TAG, "Propagating install state across downgrade"); 11042 } 11043 for (int i = 0; i < allUserHandles.length; i++) { 11044 if (DEBUG_REMOVE) { 11045 Slog.d(TAG, " user " + allUserHandles[i] 11046 + " => " + perUserInstalled[i]); 11047 } 11048 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11049 } 11050 } 11051 } 11052 // can downgrade to reader 11053 if (writeSettings) { 11054 // Save settings now 11055 mSettings.writeLPr(); 11056 } 11057 } 11058 if (outInfo != null) { 11059 // A user ID was deleted here. Go through all users and remove it 11060 // from KeyStore. 11061 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 11062 } 11063 } 11064 11065 static boolean locationIsPrivileged(File path) { 11066 try { 11067 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 11068 .getCanonicalPath(); 11069 return path.getCanonicalPath().startsWith(privilegedAppDir); 11070 } catch (IOException e) { 11071 Slog.e(TAG, "Unable to access code path " + path); 11072 } 11073 return false; 11074 } 11075 11076 /* 11077 * Tries to delete system package. 11078 */ 11079 private boolean deleteSystemPackageLI(PackageSetting newPs, 11080 int[] allUserHandles, boolean[] perUserInstalled, 11081 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 11082 final boolean applyUserRestrictions 11083 = (allUserHandles != null) && (perUserInstalled != null); 11084 PackageSetting disabledPs = null; 11085 // Confirm if the system package has been updated 11086 // An updated system app can be deleted. This will also have to restore 11087 // the system pkg from system partition 11088 // reader 11089 synchronized (mPackages) { 11090 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 11091 } 11092 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 11093 + " disabledPs=" + disabledPs); 11094 if (disabledPs == null) { 11095 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 11096 return false; 11097 } else if (DEBUG_REMOVE) { 11098 Slog.d(TAG, "Deleting system pkg from data partition"); 11099 } 11100 if (DEBUG_REMOVE) { 11101 if (applyUserRestrictions) { 11102 Slog.d(TAG, "Remembering install states:"); 11103 for (int i = 0; i < allUserHandles.length; i++) { 11104 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 11105 } 11106 } 11107 } 11108 // Delete the updated package 11109 outInfo.isRemovedPackageSystemUpdate = true; 11110 if (disabledPs.versionCode < newPs.versionCode) { 11111 // Delete data for downgrades 11112 flags &= ~PackageManager.DELETE_KEEP_DATA; 11113 } else { 11114 // Preserve data by setting flag 11115 flags |= PackageManager.DELETE_KEEP_DATA; 11116 } 11117 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 11118 allUserHandles, perUserInstalled, outInfo, writeSettings); 11119 if (!ret) { 11120 return false; 11121 } 11122 // writer 11123 synchronized (mPackages) { 11124 // Reinstate the old system package 11125 mSettings.enableSystemPackageLPw(newPs.name); 11126 // Remove any native libraries from the upgraded package. 11127 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 11128 } 11129 // Install the system package 11130 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 11131 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 11132 if (locationIsPrivileged(disabledPs.codePath)) { 11133 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11134 } 11135 11136 final PackageParser.Package newPkg; 11137 try { 11138 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 11139 } catch (PackageManagerException e) { 11140 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 11141 return false; 11142 } 11143 11144 // writer 11145 synchronized (mPackages) { 11146 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 11147 updatePermissionsLPw(newPkg.packageName, newPkg, 11148 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 11149 if (applyUserRestrictions) { 11150 if (DEBUG_REMOVE) { 11151 Slog.d(TAG, "Propagating install state across reinstall"); 11152 } 11153 for (int i = 0; i < allUserHandles.length; i++) { 11154 if (DEBUG_REMOVE) { 11155 Slog.d(TAG, " user " + allUserHandles[i] 11156 + " => " + perUserInstalled[i]); 11157 } 11158 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11159 } 11160 // Regardless of writeSettings we need to ensure that this restriction 11161 // state propagation is persisted 11162 mSettings.writeAllUsersPackageRestrictionsLPr(); 11163 } 11164 // can downgrade to reader here 11165 if (writeSettings) { 11166 mSettings.writeLPr(); 11167 } 11168 } 11169 return true; 11170 } 11171 11172 private boolean deleteInstalledPackageLI(PackageSetting ps, 11173 boolean deleteCodeAndResources, int flags, 11174 int[] allUserHandles, boolean[] perUserInstalled, 11175 PackageRemovedInfo outInfo, boolean writeSettings) { 11176 if (outInfo != null) { 11177 outInfo.uid = ps.appId; 11178 } 11179 11180 // Delete package data from internal structures and also remove data if flag is set 11181 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11182 11183 // Delete application code and resources 11184 if (deleteCodeAndResources && (outInfo != null)) { 11185 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 11186 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11187 getAppDexInstructionSets(ps)); 11188 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11189 } 11190 return true; 11191 } 11192 11193 @Override 11194 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11195 int userId) { 11196 mContext.enforceCallingOrSelfPermission( 11197 android.Manifest.permission.DELETE_PACKAGES, null); 11198 synchronized (mPackages) { 11199 PackageSetting ps = mSettings.mPackages.get(packageName); 11200 if (ps == null) { 11201 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11202 return false; 11203 } 11204 if (!ps.getInstalled(userId)) { 11205 // Can't block uninstall for an app that is not installed or enabled. 11206 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11207 return false; 11208 } 11209 ps.setBlockUninstall(blockUninstall, userId); 11210 mSettings.writePackageRestrictionsLPr(userId); 11211 } 11212 return true; 11213 } 11214 11215 @Override 11216 public boolean getBlockUninstallForUser(String packageName, int userId) { 11217 synchronized (mPackages) { 11218 PackageSetting ps = mSettings.mPackages.get(packageName); 11219 if (ps == null) { 11220 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11221 return false; 11222 } 11223 return ps.getBlockUninstall(userId); 11224 } 11225 } 11226 11227 /* 11228 * This method handles package deletion in general 11229 */ 11230 private boolean deletePackageLI(String packageName, UserHandle user, 11231 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11232 int flags, PackageRemovedInfo outInfo, 11233 boolean writeSettings) { 11234 if (packageName == null) { 11235 Slog.w(TAG, "Attempt to delete null packageName."); 11236 return false; 11237 } 11238 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11239 PackageSetting ps; 11240 boolean dataOnly = false; 11241 int removeUser = -1; 11242 int appId = -1; 11243 synchronized (mPackages) { 11244 ps = mSettings.mPackages.get(packageName); 11245 if (ps == null) { 11246 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11247 return false; 11248 } 11249 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11250 && user.getIdentifier() != UserHandle.USER_ALL) { 11251 // The caller is asking that the package only be deleted for a single 11252 // user. To do this, we just mark its uninstalled state and delete 11253 // its data. If this is a system app, we only allow this to happen if 11254 // they have set the special DELETE_SYSTEM_APP which requests different 11255 // semantics than normal for uninstalling system apps. 11256 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11257 ps.setUserState(user.getIdentifier(), 11258 COMPONENT_ENABLED_STATE_DEFAULT, 11259 false, //installed 11260 true, //stopped 11261 true, //notLaunched 11262 false, //hidden 11263 null, null, null, 11264 false // blockUninstall 11265 ); 11266 if (!isSystemApp(ps)) { 11267 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11268 // Other user still have this package installed, so all 11269 // we need to do is clear this user's data and save that 11270 // it is uninstalled. 11271 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11272 removeUser = user.getIdentifier(); 11273 appId = ps.appId; 11274 mSettings.writePackageRestrictionsLPr(removeUser); 11275 } else { 11276 // We need to set it back to 'installed' so the uninstall 11277 // broadcasts will be sent correctly. 11278 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11279 ps.setInstalled(true, user.getIdentifier()); 11280 } 11281 } else { 11282 // This is a system app, so we assume that the 11283 // other users still have this package installed, so all 11284 // we need to do is clear this user's data and save that 11285 // it is uninstalled. 11286 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11287 removeUser = user.getIdentifier(); 11288 appId = ps.appId; 11289 mSettings.writePackageRestrictionsLPr(removeUser); 11290 } 11291 } 11292 } 11293 11294 if (removeUser >= 0) { 11295 // From above, we determined that we are deleting this only 11296 // for a single user. Continue the work here. 11297 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11298 if (outInfo != null) { 11299 outInfo.removedPackage = packageName; 11300 outInfo.removedAppId = appId; 11301 outInfo.removedUsers = new int[] {removeUser}; 11302 } 11303 mInstaller.clearUserData(packageName, removeUser); 11304 removeKeystoreDataIfNeeded(removeUser, appId); 11305 schedulePackageCleaning(packageName, removeUser, false); 11306 return true; 11307 } 11308 11309 if (dataOnly) { 11310 // Delete application data first 11311 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11312 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11313 return true; 11314 } 11315 11316 boolean ret = false; 11317 if (isSystemApp(ps)) { 11318 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11319 // When an updated system application is deleted we delete the existing resources as well and 11320 // fall back to existing code in system partition 11321 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11322 flags, outInfo, writeSettings); 11323 } else { 11324 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11325 // Kill application pre-emptively especially for apps on sd. 11326 killApplication(packageName, ps.appId, "uninstall pkg"); 11327 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11328 allUserHandles, perUserInstalled, 11329 outInfo, writeSettings); 11330 } 11331 11332 return ret; 11333 } 11334 11335 private final class ClearStorageConnection implements ServiceConnection { 11336 IMediaContainerService mContainerService; 11337 11338 @Override 11339 public void onServiceConnected(ComponentName name, IBinder service) { 11340 synchronized (this) { 11341 mContainerService = IMediaContainerService.Stub.asInterface(service); 11342 notifyAll(); 11343 } 11344 } 11345 11346 @Override 11347 public void onServiceDisconnected(ComponentName name) { 11348 } 11349 } 11350 11351 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11352 final boolean mounted; 11353 if (Environment.isExternalStorageEmulated()) { 11354 mounted = true; 11355 } else { 11356 final String status = Environment.getExternalStorageState(); 11357 11358 mounted = status.equals(Environment.MEDIA_MOUNTED) 11359 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11360 } 11361 11362 if (!mounted) { 11363 return; 11364 } 11365 11366 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11367 int[] users; 11368 if (userId == UserHandle.USER_ALL) { 11369 users = sUserManager.getUserIds(); 11370 } else { 11371 users = new int[] { userId }; 11372 } 11373 final ClearStorageConnection conn = new ClearStorageConnection(); 11374 if (mContext.bindServiceAsUser( 11375 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11376 try { 11377 for (int curUser : users) { 11378 long timeout = SystemClock.uptimeMillis() + 5000; 11379 synchronized (conn) { 11380 long now = SystemClock.uptimeMillis(); 11381 while (conn.mContainerService == null && now < timeout) { 11382 try { 11383 conn.wait(timeout - now); 11384 } catch (InterruptedException e) { 11385 } 11386 } 11387 } 11388 if (conn.mContainerService == null) { 11389 return; 11390 } 11391 11392 final UserEnvironment userEnv = new UserEnvironment(curUser); 11393 clearDirectory(conn.mContainerService, 11394 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11395 if (allData) { 11396 clearDirectory(conn.mContainerService, 11397 userEnv.buildExternalStorageAppDataDirs(packageName)); 11398 clearDirectory(conn.mContainerService, 11399 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11400 } 11401 } 11402 } finally { 11403 mContext.unbindService(conn); 11404 } 11405 } 11406 } 11407 11408 @Override 11409 public void clearApplicationUserData(final String packageName, 11410 final IPackageDataObserver observer, final int userId) { 11411 mContext.enforceCallingOrSelfPermission( 11412 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11413 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11414 // Queue up an async operation since the package deletion may take a little while. 11415 mHandler.post(new Runnable() { 11416 public void run() { 11417 mHandler.removeCallbacks(this); 11418 final boolean succeeded; 11419 synchronized (mInstallLock) { 11420 succeeded = clearApplicationUserDataLI(packageName, userId); 11421 } 11422 clearExternalStorageDataSync(packageName, userId, true); 11423 if (succeeded) { 11424 // invoke DeviceStorageMonitor's update method to clear any notifications 11425 DeviceStorageMonitorInternal 11426 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11427 if (dsm != null) { 11428 dsm.checkMemory(); 11429 } 11430 } 11431 if(observer != null) { 11432 try { 11433 observer.onRemoveCompleted(packageName, succeeded); 11434 } catch (RemoteException e) { 11435 Log.i(TAG, "Observer no longer exists."); 11436 } 11437 } //end if observer 11438 } //end run 11439 }); 11440 } 11441 11442 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11443 if (packageName == null) { 11444 Slog.w(TAG, "Attempt to delete null packageName."); 11445 return false; 11446 } 11447 11448 // Try finding details about the requested package 11449 PackageParser.Package pkg; 11450 synchronized (mPackages) { 11451 pkg = mPackages.get(packageName); 11452 if (pkg == null) { 11453 final PackageSetting ps = mSettings.mPackages.get(packageName); 11454 if (ps != null) { 11455 pkg = ps.pkg; 11456 } 11457 } 11458 } 11459 11460 if (pkg == null) { 11461 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11462 } 11463 11464 // Always delete data directories for package, even if we found no other 11465 // record of app. This helps users recover from UID mismatches without 11466 // resorting to a full data wipe. 11467 int retCode = mInstaller.clearUserData(packageName, userId); 11468 if (retCode < 0) { 11469 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11470 return false; 11471 } 11472 11473 if (pkg == null) { 11474 return false; 11475 } 11476 11477 if (pkg != null && pkg.applicationInfo != null) { 11478 final int appId = pkg.applicationInfo.uid; 11479 removeKeystoreDataIfNeeded(userId, appId); 11480 } 11481 11482 // Create a native library symlink only if we have native libraries 11483 // and if the native libraries are 32 bit libraries. We do not provide 11484 // this symlink for 64 bit libraries. 11485 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11486 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11487 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11488 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11489 Slog.w(TAG, "Failed linking native library dir"); 11490 return false; 11491 } 11492 } 11493 11494 return true; 11495 } 11496 11497 /** 11498 * Remove entries from the keystore daemon. Will only remove it if the 11499 * {@code appId} is valid. 11500 */ 11501 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11502 if (appId < 0) { 11503 return; 11504 } 11505 11506 final KeyStore keyStore = KeyStore.getInstance(); 11507 if (keyStore != null) { 11508 if (userId == UserHandle.USER_ALL) { 11509 for (final int individual : sUserManager.getUserIds()) { 11510 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11511 } 11512 } else { 11513 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11514 } 11515 } else { 11516 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11517 } 11518 } 11519 11520 @Override 11521 public void deleteApplicationCacheFiles(final String packageName, 11522 final IPackageDataObserver observer) { 11523 mContext.enforceCallingOrSelfPermission( 11524 android.Manifest.permission.DELETE_CACHE_FILES, null); 11525 // Queue up an async operation since the package deletion may take a little while. 11526 final int userId = UserHandle.getCallingUserId(); 11527 mHandler.post(new Runnable() { 11528 public void run() { 11529 mHandler.removeCallbacks(this); 11530 final boolean succeded; 11531 synchronized (mInstallLock) { 11532 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11533 } 11534 clearExternalStorageDataSync(packageName, userId, false); 11535 if(observer != null) { 11536 try { 11537 observer.onRemoveCompleted(packageName, succeded); 11538 } catch (RemoteException e) { 11539 Log.i(TAG, "Observer no longer exists."); 11540 } 11541 } //end if observer 11542 } //end run 11543 }); 11544 } 11545 11546 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11547 if (packageName == null) { 11548 Slog.w(TAG, "Attempt to delete null packageName."); 11549 return false; 11550 } 11551 PackageParser.Package p; 11552 synchronized (mPackages) { 11553 p = mPackages.get(packageName); 11554 } 11555 if (p == null) { 11556 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11557 return false; 11558 } 11559 final ApplicationInfo applicationInfo = p.applicationInfo; 11560 if (applicationInfo == null) { 11561 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11562 return false; 11563 } 11564 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11565 if (retCode < 0) { 11566 Slog.w(TAG, "Couldn't remove cache files for package: " 11567 + packageName + " u" + userId); 11568 return false; 11569 } 11570 return true; 11571 } 11572 11573 @Override 11574 public void getPackageSizeInfo(final String packageName, int userHandle, 11575 final IPackageStatsObserver observer) { 11576 mContext.enforceCallingOrSelfPermission( 11577 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11578 if (packageName == null) { 11579 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11580 } 11581 11582 PackageStats stats = new PackageStats(packageName, userHandle); 11583 11584 /* 11585 * Queue up an async operation since the package measurement may take a 11586 * little while. 11587 */ 11588 Message msg = mHandler.obtainMessage(INIT_COPY); 11589 msg.obj = new MeasureParams(stats, observer); 11590 mHandler.sendMessage(msg); 11591 } 11592 11593 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11594 PackageStats pStats) { 11595 if (packageName == null) { 11596 Slog.w(TAG, "Attempt to get size of null packageName."); 11597 return false; 11598 } 11599 PackageParser.Package p; 11600 boolean dataOnly = false; 11601 String libDirRoot = null; 11602 String asecPath = null; 11603 PackageSetting ps = null; 11604 synchronized (mPackages) { 11605 p = mPackages.get(packageName); 11606 ps = mSettings.mPackages.get(packageName); 11607 if(p == null) { 11608 dataOnly = true; 11609 if((ps == null) || (ps.pkg == null)) { 11610 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11611 return false; 11612 } 11613 p = ps.pkg; 11614 } 11615 if (ps != null) { 11616 libDirRoot = ps.legacyNativeLibraryPathString; 11617 } 11618 if (p != null && (isExternal(p) || p.isForwardLocked())) { 11619 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11620 if (secureContainerId != null) { 11621 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11622 } 11623 } 11624 } 11625 String publicSrcDir = null; 11626 if(!dataOnly) { 11627 final ApplicationInfo applicationInfo = p.applicationInfo; 11628 if (applicationInfo == null) { 11629 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11630 return false; 11631 } 11632 if (p.isForwardLocked()) { 11633 publicSrcDir = applicationInfo.getBaseResourcePath(); 11634 } 11635 } 11636 // TODO: extend to measure size of split APKs 11637 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11638 // not just the first level. 11639 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11640 // just the primary. 11641 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11642 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11643 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11644 if (res < 0) { 11645 return false; 11646 } 11647 11648 // Fix-up for forward-locked applications in ASEC containers. 11649 if (!isExternal(p)) { 11650 pStats.codeSize += pStats.externalCodeSize; 11651 pStats.externalCodeSize = 0L; 11652 } 11653 11654 return true; 11655 } 11656 11657 11658 @Override 11659 public void addPackageToPreferred(String packageName) { 11660 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11661 } 11662 11663 @Override 11664 public void removePackageFromPreferred(String packageName) { 11665 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11666 } 11667 11668 @Override 11669 public List<PackageInfo> getPreferredPackages(int flags) { 11670 return new ArrayList<PackageInfo>(); 11671 } 11672 11673 private int getUidTargetSdkVersionLockedLPr(int uid) { 11674 Object obj = mSettings.getUserIdLPr(uid); 11675 if (obj instanceof SharedUserSetting) { 11676 final SharedUserSetting sus = (SharedUserSetting) obj; 11677 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11678 final Iterator<PackageSetting> it = sus.packages.iterator(); 11679 while (it.hasNext()) { 11680 final PackageSetting ps = it.next(); 11681 if (ps.pkg != null) { 11682 int v = ps.pkg.applicationInfo.targetSdkVersion; 11683 if (v < vers) vers = v; 11684 } 11685 } 11686 return vers; 11687 } else if (obj instanceof PackageSetting) { 11688 final PackageSetting ps = (PackageSetting) obj; 11689 if (ps.pkg != null) { 11690 return ps.pkg.applicationInfo.targetSdkVersion; 11691 } 11692 } 11693 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11694 } 11695 11696 @Override 11697 public void addPreferredActivity(IntentFilter filter, int match, 11698 ComponentName[] set, ComponentName activity, int userId) { 11699 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11700 "Adding preferred"); 11701 } 11702 11703 private void addPreferredActivityInternal(IntentFilter filter, int match, 11704 ComponentName[] set, ComponentName activity, boolean always, int userId, 11705 String opname) { 11706 // writer 11707 int callingUid = Binder.getCallingUid(); 11708 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11709 if (filter.countActions() == 0) { 11710 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11711 return; 11712 } 11713 synchronized (mPackages) { 11714 if (mContext.checkCallingOrSelfPermission( 11715 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11716 != PackageManager.PERMISSION_GRANTED) { 11717 if (getUidTargetSdkVersionLockedLPr(callingUid) 11718 < Build.VERSION_CODES.FROYO) { 11719 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11720 + callingUid); 11721 return; 11722 } 11723 mContext.enforceCallingOrSelfPermission( 11724 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11725 } 11726 11727 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11728 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11729 + userId + ":"); 11730 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11731 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11732 scheduleWritePackageRestrictionsLocked(userId); 11733 } 11734 } 11735 11736 @Override 11737 public void replacePreferredActivity(IntentFilter filter, int match, 11738 ComponentName[] set, ComponentName activity, int userId) { 11739 if (filter.countActions() != 1) { 11740 throw new IllegalArgumentException( 11741 "replacePreferredActivity expects filter to have only 1 action."); 11742 } 11743 if (filter.countDataAuthorities() != 0 11744 || filter.countDataPaths() != 0 11745 || filter.countDataSchemes() > 1 11746 || filter.countDataTypes() != 0) { 11747 throw new IllegalArgumentException( 11748 "replacePreferredActivity expects filter to have no data authorities, " + 11749 "paths, or types; and at most one scheme."); 11750 } 11751 11752 final int callingUid = Binder.getCallingUid(); 11753 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11754 synchronized (mPackages) { 11755 if (mContext.checkCallingOrSelfPermission( 11756 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11757 != PackageManager.PERMISSION_GRANTED) { 11758 if (getUidTargetSdkVersionLockedLPr(callingUid) 11759 < Build.VERSION_CODES.FROYO) { 11760 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11761 + Binder.getCallingUid()); 11762 return; 11763 } 11764 mContext.enforceCallingOrSelfPermission( 11765 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11766 } 11767 11768 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11769 if (pir != null) { 11770 // Get all of the existing entries that exactly match this filter. 11771 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11772 if (existing != null && existing.size() == 1) { 11773 PreferredActivity cur = existing.get(0); 11774 if (DEBUG_PREFERRED) { 11775 Slog.i(TAG, "Checking replace of preferred:"); 11776 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11777 if (!cur.mPref.mAlways) { 11778 Slog.i(TAG, " -- CUR; not mAlways!"); 11779 } else { 11780 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11781 Slog.i(TAG, " -- CUR: mSet=" 11782 + Arrays.toString(cur.mPref.mSetComponents)); 11783 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11784 Slog.i(TAG, " -- NEW: mMatch=" 11785 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11786 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11787 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11788 } 11789 } 11790 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11791 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11792 && cur.mPref.sameSet(set)) { 11793 // Setting the preferred activity to what it happens to be already 11794 if (DEBUG_PREFERRED) { 11795 Slog.i(TAG, "Replacing with same preferred activity " 11796 + cur.mPref.mShortComponent + " for user " 11797 + userId + ":"); 11798 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11799 } 11800 return; 11801 } 11802 } 11803 11804 if (existing != null) { 11805 if (DEBUG_PREFERRED) { 11806 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11807 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11808 } 11809 for (int i = 0; i < existing.size(); i++) { 11810 PreferredActivity pa = existing.get(i); 11811 if (DEBUG_PREFERRED) { 11812 Slog.i(TAG, "Removing existing preferred activity " 11813 + pa.mPref.mComponent + ":"); 11814 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11815 } 11816 pir.removeFilter(pa); 11817 } 11818 } 11819 } 11820 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11821 "Replacing preferred"); 11822 } 11823 } 11824 11825 @Override 11826 public void clearPackagePreferredActivities(String packageName) { 11827 final int uid = Binder.getCallingUid(); 11828 // writer 11829 synchronized (mPackages) { 11830 PackageParser.Package pkg = mPackages.get(packageName); 11831 if (pkg == null || pkg.applicationInfo.uid != uid) { 11832 if (mContext.checkCallingOrSelfPermission( 11833 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11834 != PackageManager.PERMISSION_GRANTED) { 11835 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11836 < Build.VERSION_CODES.FROYO) { 11837 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11838 + Binder.getCallingUid()); 11839 return; 11840 } 11841 mContext.enforceCallingOrSelfPermission( 11842 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11843 } 11844 } 11845 11846 int user = UserHandle.getCallingUserId(); 11847 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11848 scheduleWritePackageRestrictionsLocked(user); 11849 } 11850 } 11851 } 11852 11853 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11854 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11855 ArrayList<PreferredActivity> removed = null; 11856 boolean changed = false; 11857 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11858 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11859 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11860 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11861 continue; 11862 } 11863 Iterator<PreferredActivity> it = pir.filterIterator(); 11864 while (it.hasNext()) { 11865 PreferredActivity pa = it.next(); 11866 // Mark entry for removal only if it matches the package name 11867 // and the entry is of type "always". 11868 if (packageName == null || 11869 (pa.mPref.mComponent.getPackageName().equals(packageName) 11870 && pa.mPref.mAlways)) { 11871 if (removed == null) { 11872 removed = new ArrayList<PreferredActivity>(); 11873 } 11874 removed.add(pa); 11875 } 11876 } 11877 if (removed != null) { 11878 for (int j=0; j<removed.size(); j++) { 11879 PreferredActivity pa = removed.get(j); 11880 pir.removeFilter(pa); 11881 } 11882 changed = true; 11883 } 11884 } 11885 return changed; 11886 } 11887 11888 @Override 11889 public void resetPreferredActivities(int userId) { 11890 /* TODO: Actually use userId. Why is it being passed in? */ 11891 mContext.enforceCallingOrSelfPermission( 11892 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11893 // writer 11894 synchronized (mPackages) { 11895 int user = UserHandle.getCallingUserId(); 11896 clearPackagePreferredActivitiesLPw(null, user); 11897 mSettings.readDefaultPreferredAppsLPw(this, user); 11898 scheduleWritePackageRestrictionsLocked(user); 11899 } 11900 } 11901 11902 @Override 11903 public int getPreferredActivities(List<IntentFilter> outFilters, 11904 List<ComponentName> outActivities, String packageName) { 11905 11906 int num = 0; 11907 final int userId = UserHandle.getCallingUserId(); 11908 // reader 11909 synchronized (mPackages) { 11910 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11911 if (pir != null) { 11912 final Iterator<PreferredActivity> it = pir.filterIterator(); 11913 while (it.hasNext()) { 11914 final PreferredActivity pa = it.next(); 11915 if (packageName == null 11916 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11917 && pa.mPref.mAlways)) { 11918 if (outFilters != null) { 11919 outFilters.add(new IntentFilter(pa)); 11920 } 11921 if (outActivities != null) { 11922 outActivities.add(pa.mPref.mComponent); 11923 } 11924 } 11925 } 11926 } 11927 } 11928 11929 return num; 11930 } 11931 11932 @Override 11933 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11934 int userId) { 11935 int callingUid = Binder.getCallingUid(); 11936 if (callingUid != Process.SYSTEM_UID) { 11937 throw new SecurityException( 11938 "addPersistentPreferredActivity can only be run by the system"); 11939 } 11940 if (filter.countActions() == 0) { 11941 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11942 return; 11943 } 11944 synchronized (mPackages) { 11945 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11946 " :"); 11947 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11948 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11949 new PersistentPreferredActivity(filter, activity)); 11950 scheduleWritePackageRestrictionsLocked(userId); 11951 } 11952 } 11953 11954 @Override 11955 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11956 int callingUid = Binder.getCallingUid(); 11957 if (callingUid != Process.SYSTEM_UID) { 11958 throw new SecurityException( 11959 "clearPackagePersistentPreferredActivities can only be run by the system"); 11960 } 11961 ArrayList<PersistentPreferredActivity> removed = null; 11962 boolean changed = false; 11963 synchronized (mPackages) { 11964 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11965 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11966 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11967 .valueAt(i); 11968 if (userId != thisUserId) { 11969 continue; 11970 } 11971 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11972 while (it.hasNext()) { 11973 PersistentPreferredActivity ppa = it.next(); 11974 // Mark entry for removal only if it matches the package name. 11975 if (ppa.mComponent.getPackageName().equals(packageName)) { 11976 if (removed == null) { 11977 removed = new ArrayList<PersistentPreferredActivity>(); 11978 } 11979 removed.add(ppa); 11980 } 11981 } 11982 if (removed != null) { 11983 for (int j=0; j<removed.size(); j++) { 11984 PersistentPreferredActivity ppa = removed.get(j); 11985 ppir.removeFilter(ppa); 11986 } 11987 changed = true; 11988 } 11989 } 11990 11991 if (changed) { 11992 scheduleWritePackageRestrictionsLocked(userId); 11993 } 11994 } 11995 } 11996 11997 @Override 11998 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11999 int sourceUserId, int targetUserId, int flags) { 12000 mContext.enforceCallingOrSelfPermission( 12001 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12002 int callingUid = Binder.getCallingUid(); 12003 enforceOwnerRights(ownerPackage, callingUid); 12004 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12005 if (intentFilter.countActions() == 0) { 12006 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 12007 return; 12008 } 12009 synchronized (mPackages) { 12010 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 12011 ownerPackage, targetUserId, flags); 12012 CrossProfileIntentResolver resolver = 12013 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12014 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 12015 // We have all those whose filter is equal. Now checking if the rest is equal as well. 12016 if (existing != null) { 12017 int size = existing.size(); 12018 for (int i = 0; i < size; i++) { 12019 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 12020 return; 12021 } 12022 } 12023 } 12024 resolver.addFilter(newFilter); 12025 scheduleWritePackageRestrictionsLocked(sourceUserId); 12026 } 12027 } 12028 12029 @Override 12030 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 12031 mContext.enforceCallingOrSelfPermission( 12032 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12033 int callingUid = Binder.getCallingUid(); 12034 enforceOwnerRights(ownerPackage, callingUid); 12035 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12036 synchronized (mPackages) { 12037 CrossProfileIntentResolver resolver = 12038 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12039 ArraySet<CrossProfileIntentFilter> set = 12040 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 12041 for (CrossProfileIntentFilter filter : set) { 12042 if (filter.getOwnerPackage().equals(ownerPackage)) { 12043 resolver.removeFilter(filter); 12044 } 12045 } 12046 scheduleWritePackageRestrictionsLocked(sourceUserId); 12047 } 12048 } 12049 12050 // Enforcing that callingUid is owning pkg on userId 12051 private void enforceOwnerRights(String pkg, int callingUid) { 12052 // The system owns everything. 12053 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 12054 return; 12055 } 12056 int callingUserId = UserHandle.getUserId(callingUid); 12057 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 12058 if (pi == null) { 12059 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 12060 + callingUserId); 12061 } 12062 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 12063 throw new SecurityException("Calling uid " + callingUid 12064 + " does not own package " + pkg); 12065 } 12066 } 12067 12068 @Override 12069 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 12070 Intent intent = new Intent(Intent.ACTION_MAIN); 12071 intent.addCategory(Intent.CATEGORY_HOME); 12072 12073 final int callingUserId = UserHandle.getCallingUserId(); 12074 List<ResolveInfo> list = queryIntentActivities(intent, null, 12075 PackageManager.GET_META_DATA, callingUserId); 12076 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 12077 true, false, false, callingUserId); 12078 12079 allHomeCandidates.clear(); 12080 if (list != null) { 12081 for (ResolveInfo ri : list) { 12082 allHomeCandidates.add(ri); 12083 } 12084 } 12085 return (preferred == null || preferred.activityInfo == null) 12086 ? null 12087 : new ComponentName(preferred.activityInfo.packageName, 12088 preferred.activityInfo.name); 12089 } 12090 12091 @Override 12092 public void setApplicationEnabledSetting(String appPackageName, 12093 int newState, int flags, int userId, String callingPackage) { 12094 if (!sUserManager.exists(userId)) return; 12095 if (callingPackage == null) { 12096 callingPackage = Integer.toString(Binder.getCallingUid()); 12097 } 12098 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 12099 } 12100 12101 @Override 12102 public void setComponentEnabledSetting(ComponentName componentName, 12103 int newState, int flags, int userId) { 12104 if (!sUserManager.exists(userId)) return; 12105 setEnabledSetting(componentName.getPackageName(), 12106 componentName.getClassName(), newState, flags, userId, null); 12107 } 12108 12109 private void setEnabledSetting(final String packageName, String className, int newState, 12110 final int flags, int userId, String callingPackage) { 12111 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 12112 || newState == COMPONENT_ENABLED_STATE_ENABLED 12113 || newState == COMPONENT_ENABLED_STATE_DISABLED 12114 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 12115 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 12116 throw new IllegalArgumentException("Invalid new component state: " 12117 + newState); 12118 } 12119 PackageSetting pkgSetting; 12120 final int uid = Binder.getCallingUid(); 12121 final int permission = mContext.checkCallingOrSelfPermission( 12122 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12123 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 12124 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12125 boolean sendNow = false; 12126 boolean isApp = (className == null); 12127 String componentName = isApp ? packageName : className; 12128 int packageUid = -1; 12129 ArrayList<String> components; 12130 12131 // writer 12132 synchronized (mPackages) { 12133 pkgSetting = mSettings.mPackages.get(packageName); 12134 if (pkgSetting == null) { 12135 if (className == null) { 12136 throw new IllegalArgumentException( 12137 "Unknown package: " + packageName); 12138 } 12139 throw new IllegalArgumentException( 12140 "Unknown component: " + packageName 12141 + "/" + className); 12142 } 12143 // Allow root and verify that userId is not being specified by a different user 12144 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 12145 throw new SecurityException( 12146 "Permission Denial: attempt to change component state from pid=" 12147 + Binder.getCallingPid() 12148 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 12149 } 12150 if (className == null) { 12151 // We're dealing with an application/package level state change 12152 if (pkgSetting.getEnabled(userId) == newState) { 12153 // Nothing to do 12154 return; 12155 } 12156 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 12157 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 12158 // Don't care about who enables an app. 12159 callingPackage = null; 12160 } 12161 pkgSetting.setEnabled(newState, userId, callingPackage); 12162 // pkgSetting.pkg.mSetEnabled = newState; 12163 } else { 12164 // We're dealing with a component level state change 12165 // First, verify that this is a valid class name. 12166 PackageParser.Package pkg = pkgSetting.pkg; 12167 if (pkg == null || !pkg.hasComponentClassName(className)) { 12168 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 12169 throw new IllegalArgumentException("Component class " + className 12170 + " does not exist in " + packageName); 12171 } else { 12172 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 12173 + className + " does not exist in " + packageName); 12174 } 12175 } 12176 switch (newState) { 12177 case COMPONENT_ENABLED_STATE_ENABLED: 12178 if (!pkgSetting.enableComponentLPw(className, userId)) { 12179 return; 12180 } 12181 break; 12182 case COMPONENT_ENABLED_STATE_DISABLED: 12183 if (!pkgSetting.disableComponentLPw(className, userId)) { 12184 return; 12185 } 12186 break; 12187 case COMPONENT_ENABLED_STATE_DEFAULT: 12188 if (!pkgSetting.restoreComponentLPw(className, userId)) { 12189 return; 12190 } 12191 break; 12192 default: 12193 Slog.e(TAG, "Invalid new component state: " + newState); 12194 return; 12195 } 12196 } 12197 scheduleWritePackageRestrictionsLocked(userId); 12198 components = mPendingBroadcasts.get(userId, packageName); 12199 final boolean newPackage = components == null; 12200 if (newPackage) { 12201 components = new ArrayList<String>(); 12202 } 12203 if (!components.contains(componentName)) { 12204 components.add(componentName); 12205 } 12206 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12207 sendNow = true; 12208 // Purge entry from pending broadcast list if another one exists already 12209 // since we are sending one right away. 12210 mPendingBroadcasts.remove(userId, packageName); 12211 } else { 12212 if (newPackage) { 12213 mPendingBroadcasts.put(userId, packageName, components); 12214 } 12215 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12216 // Schedule a message 12217 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12218 } 12219 } 12220 } 12221 12222 long callingId = Binder.clearCallingIdentity(); 12223 try { 12224 if (sendNow) { 12225 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12226 sendPackageChangedBroadcast(packageName, 12227 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12228 } 12229 } finally { 12230 Binder.restoreCallingIdentity(callingId); 12231 } 12232 } 12233 12234 private void sendPackageChangedBroadcast(String packageName, 12235 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12236 if (DEBUG_INSTALL) 12237 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12238 + componentNames); 12239 Bundle extras = new Bundle(4); 12240 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12241 String nameList[] = new String[componentNames.size()]; 12242 componentNames.toArray(nameList); 12243 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12244 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12245 extras.putInt(Intent.EXTRA_UID, packageUid); 12246 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12247 new int[] {UserHandle.getUserId(packageUid)}); 12248 } 12249 12250 @Override 12251 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12252 if (!sUserManager.exists(userId)) return; 12253 final int uid = Binder.getCallingUid(); 12254 final int permission = mContext.checkCallingOrSelfPermission( 12255 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12256 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12257 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12258 // writer 12259 synchronized (mPackages) { 12260 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12261 uid, userId)) { 12262 scheduleWritePackageRestrictionsLocked(userId); 12263 } 12264 } 12265 } 12266 12267 @Override 12268 public String getInstallerPackageName(String packageName) { 12269 // reader 12270 synchronized (mPackages) { 12271 return mSettings.getInstallerPackageNameLPr(packageName); 12272 } 12273 } 12274 12275 @Override 12276 public int getApplicationEnabledSetting(String packageName, int userId) { 12277 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12278 int uid = Binder.getCallingUid(); 12279 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12280 // reader 12281 synchronized (mPackages) { 12282 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12283 } 12284 } 12285 12286 @Override 12287 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12288 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12289 int uid = Binder.getCallingUid(); 12290 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12291 // reader 12292 synchronized (mPackages) { 12293 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12294 } 12295 } 12296 12297 @Override 12298 public void enterSafeMode() { 12299 enforceSystemOrRoot("Only the system can request entering safe mode"); 12300 12301 if (!mSystemReady) { 12302 mSafeMode = true; 12303 } 12304 } 12305 12306 @Override 12307 public void systemReady() { 12308 mSystemReady = true; 12309 12310 // Read the compatibilty setting when the system is ready. 12311 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12312 mContext.getContentResolver(), 12313 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12314 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12315 if (DEBUG_SETTINGS) { 12316 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12317 } 12318 12319 synchronized (mPackages) { 12320 // Verify that all of the preferred activity components actually 12321 // exist. It is possible for applications to be updated and at 12322 // that point remove a previously declared activity component that 12323 // had been set as a preferred activity. We try to clean this up 12324 // the next time we encounter that preferred activity, but it is 12325 // possible for the user flow to never be able to return to that 12326 // situation so here we do a sanity check to make sure we haven't 12327 // left any junk around. 12328 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12329 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12330 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12331 removed.clear(); 12332 for (PreferredActivity pa : pir.filterSet()) { 12333 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12334 removed.add(pa); 12335 } 12336 } 12337 if (removed.size() > 0) { 12338 for (int r=0; r<removed.size(); r++) { 12339 PreferredActivity pa = removed.get(r); 12340 Slog.w(TAG, "Removing dangling preferred activity: " 12341 + pa.mPref.mComponent); 12342 pir.removeFilter(pa); 12343 } 12344 mSettings.writePackageRestrictionsLPr( 12345 mSettings.mPreferredActivities.keyAt(i)); 12346 } 12347 } 12348 } 12349 sUserManager.systemReady(); 12350 12351 // Kick off any messages waiting for system ready 12352 if (mPostSystemReadyMessages != null) { 12353 for (Message msg : mPostSystemReadyMessages) { 12354 msg.sendToTarget(); 12355 } 12356 mPostSystemReadyMessages = null; 12357 } 12358 } 12359 12360 @Override 12361 public boolean isSafeMode() { 12362 return mSafeMode; 12363 } 12364 12365 @Override 12366 public boolean hasSystemUidErrors() { 12367 return mHasSystemUidErrors; 12368 } 12369 12370 static String arrayToString(int[] array) { 12371 StringBuffer buf = new StringBuffer(128); 12372 buf.append('['); 12373 if (array != null) { 12374 for (int i=0; i<array.length; i++) { 12375 if (i > 0) buf.append(", "); 12376 buf.append(array[i]); 12377 } 12378 } 12379 buf.append(']'); 12380 return buf.toString(); 12381 } 12382 12383 static class DumpState { 12384 public static final int DUMP_LIBS = 1 << 0; 12385 public static final int DUMP_FEATURES = 1 << 1; 12386 public static final int DUMP_RESOLVERS = 1 << 2; 12387 public static final int DUMP_PERMISSIONS = 1 << 3; 12388 public static final int DUMP_PACKAGES = 1 << 4; 12389 public static final int DUMP_SHARED_USERS = 1 << 5; 12390 public static final int DUMP_MESSAGES = 1 << 6; 12391 public static final int DUMP_PROVIDERS = 1 << 7; 12392 public static final int DUMP_VERIFIERS = 1 << 8; 12393 public static final int DUMP_PREFERRED = 1 << 9; 12394 public static final int DUMP_PREFERRED_XML = 1 << 10; 12395 public static final int DUMP_KEYSETS = 1 << 11; 12396 public static final int DUMP_VERSION = 1 << 12; 12397 public static final int DUMP_INSTALLS = 1 << 13; 12398 12399 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12400 12401 private int mTypes; 12402 12403 private int mOptions; 12404 12405 private boolean mTitlePrinted; 12406 12407 private SharedUserSetting mSharedUser; 12408 12409 public boolean isDumping(int type) { 12410 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12411 return true; 12412 } 12413 12414 return (mTypes & type) != 0; 12415 } 12416 12417 public void setDump(int type) { 12418 mTypes |= type; 12419 } 12420 12421 public boolean isOptionEnabled(int option) { 12422 return (mOptions & option) != 0; 12423 } 12424 12425 public void setOptionEnabled(int option) { 12426 mOptions |= option; 12427 } 12428 12429 public boolean onTitlePrinted() { 12430 final boolean printed = mTitlePrinted; 12431 mTitlePrinted = true; 12432 return printed; 12433 } 12434 12435 public boolean getTitlePrinted() { 12436 return mTitlePrinted; 12437 } 12438 12439 public void setTitlePrinted(boolean enabled) { 12440 mTitlePrinted = enabled; 12441 } 12442 12443 public SharedUserSetting getSharedUser() { 12444 return mSharedUser; 12445 } 12446 12447 public void setSharedUser(SharedUserSetting user) { 12448 mSharedUser = user; 12449 } 12450 } 12451 12452 @Override 12453 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12454 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12455 != PackageManager.PERMISSION_GRANTED) { 12456 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12457 + Binder.getCallingPid() 12458 + ", uid=" + Binder.getCallingUid() 12459 + " without permission " 12460 + android.Manifest.permission.DUMP); 12461 return; 12462 } 12463 12464 DumpState dumpState = new DumpState(); 12465 boolean fullPreferred = false; 12466 boolean checkin = false; 12467 12468 String packageName = null; 12469 12470 int opti = 0; 12471 while (opti < args.length) { 12472 String opt = args[opti]; 12473 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12474 break; 12475 } 12476 opti++; 12477 12478 if ("-a".equals(opt)) { 12479 // Right now we only know how to print all. 12480 } else if ("-h".equals(opt)) { 12481 pw.println("Package manager dump options:"); 12482 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12483 pw.println(" --checkin: dump for a checkin"); 12484 pw.println(" -f: print details of intent filters"); 12485 pw.println(" -h: print this help"); 12486 pw.println(" cmd may be one of:"); 12487 pw.println(" l[ibraries]: list known shared libraries"); 12488 pw.println(" f[ibraries]: list device features"); 12489 pw.println(" k[eysets]: print known keysets"); 12490 pw.println(" r[esolvers]: dump intent resolvers"); 12491 pw.println(" perm[issions]: dump permissions"); 12492 pw.println(" pref[erred]: print preferred package settings"); 12493 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12494 pw.println(" prov[iders]: dump content providers"); 12495 pw.println(" p[ackages]: dump installed packages"); 12496 pw.println(" s[hared-users]: dump shared user IDs"); 12497 pw.println(" m[essages]: print collected runtime messages"); 12498 pw.println(" v[erifiers]: print package verifier info"); 12499 pw.println(" version: print database version info"); 12500 pw.println(" write: write current settings now"); 12501 pw.println(" <package.name>: info about given package"); 12502 pw.println(" installs: details about install sessions"); 12503 return; 12504 } else if ("--checkin".equals(opt)) { 12505 checkin = true; 12506 } else if ("-f".equals(opt)) { 12507 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12508 } else { 12509 pw.println("Unknown argument: " + opt + "; use -h for help"); 12510 } 12511 } 12512 12513 // Is the caller requesting to dump a particular piece of data? 12514 if (opti < args.length) { 12515 String cmd = args[opti]; 12516 opti++; 12517 // Is this a package name? 12518 if ("android".equals(cmd) || cmd.contains(".")) { 12519 packageName = cmd; 12520 // When dumping a single package, we always dump all of its 12521 // filter information since the amount of data will be reasonable. 12522 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12523 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12524 dumpState.setDump(DumpState.DUMP_LIBS); 12525 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12526 dumpState.setDump(DumpState.DUMP_FEATURES); 12527 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12528 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12529 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12530 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12531 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12532 dumpState.setDump(DumpState.DUMP_PREFERRED); 12533 } else if ("preferred-xml".equals(cmd)) { 12534 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12535 if (opti < args.length && "--full".equals(args[opti])) { 12536 fullPreferred = true; 12537 opti++; 12538 } 12539 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12540 dumpState.setDump(DumpState.DUMP_PACKAGES); 12541 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12542 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12543 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12544 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12545 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12546 dumpState.setDump(DumpState.DUMP_MESSAGES); 12547 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12548 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12549 } else if ("version".equals(cmd)) { 12550 dumpState.setDump(DumpState.DUMP_VERSION); 12551 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12552 dumpState.setDump(DumpState.DUMP_KEYSETS); 12553 } else if ("installs".equals(cmd)) { 12554 dumpState.setDump(DumpState.DUMP_INSTALLS); 12555 } else if ("write".equals(cmd)) { 12556 synchronized (mPackages) { 12557 mSettings.writeLPr(); 12558 pw.println("Settings written."); 12559 return; 12560 } 12561 } 12562 } 12563 12564 if (checkin) { 12565 pw.println("vers,1"); 12566 } 12567 12568 // reader 12569 synchronized (mPackages) { 12570 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12571 if (!checkin) { 12572 if (dumpState.onTitlePrinted()) 12573 pw.println(); 12574 pw.println("Database versions:"); 12575 pw.print(" SDK Version:"); 12576 pw.print(" internal="); 12577 pw.print(mSettings.mInternalSdkPlatform); 12578 pw.print(" external="); 12579 pw.println(mSettings.mExternalSdkPlatform); 12580 pw.print(" DB Version:"); 12581 pw.print(" internal="); 12582 pw.print(mSettings.mInternalDatabaseVersion); 12583 pw.print(" external="); 12584 pw.println(mSettings.mExternalDatabaseVersion); 12585 } 12586 } 12587 12588 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12589 if (!checkin) { 12590 if (dumpState.onTitlePrinted()) 12591 pw.println(); 12592 pw.println("Verifiers:"); 12593 pw.print(" Required: "); 12594 pw.print(mRequiredVerifierPackage); 12595 pw.print(" (uid="); 12596 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12597 pw.println(")"); 12598 } else if (mRequiredVerifierPackage != null) { 12599 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12600 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12601 } 12602 } 12603 12604 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12605 boolean printedHeader = false; 12606 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12607 while (it.hasNext()) { 12608 String name = it.next(); 12609 SharedLibraryEntry ent = mSharedLibraries.get(name); 12610 if (!checkin) { 12611 if (!printedHeader) { 12612 if (dumpState.onTitlePrinted()) 12613 pw.println(); 12614 pw.println("Libraries:"); 12615 printedHeader = true; 12616 } 12617 pw.print(" "); 12618 } else { 12619 pw.print("lib,"); 12620 } 12621 pw.print(name); 12622 if (!checkin) { 12623 pw.print(" -> "); 12624 } 12625 if (ent.path != null) { 12626 if (!checkin) { 12627 pw.print("(jar) "); 12628 pw.print(ent.path); 12629 } else { 12630 pw.print(",jar,"); 12631 pw.print(ent.path); 12632 } 12633 } else { 12634 if (!checkin) { 12635 pw.print("(apk) "); 12636 pw.print(ent.apk); 12637 } else { 12638 pw.print(",apk,"); 12639 pw.print(ent.apk); 12640 } 12641 } 12642 pw.println(); 12643 } 12644 } 12645 12646 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12647 if (dumpState.onTitlePrinted()) 12648 pw.println(); 12649 if (!checkin) { 12650 pw.println("Features:"); 12651 } 12652 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12653 while (it.hasNext()) { 12654 String name = it.next(); 12655 if (!checkin) { 12656 pw.print(" "); 12657 } else { 12658 pw.print("feat,"); 12659 } 12660 pw.println(name); 12661 } 12662 } 12663 12664 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12665 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12666 : "Activity Resolver Table:", " ", packageName, 12667 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12668 dumpState.setTitlePrinted(true); 12669 } 12670 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12671 : "Receiver Resolver Table:", " ", packageName, 12672 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12673 dumpState.setTitlePrinted(true); 12674 } 12675 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12676 : "Service Resolver Table:", " ", packageName, 12677 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12678 dumpState.setTitlePrinted(true); 12679 } 12680 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12681 : "Provider Resolver Table:", " ", packageName, 12682 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12683 dumpState.setTitlePrinted(true); 12684 } 12685 } 12686 12687 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12688 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12689 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12690 int user = mSettings.mPreferredActivities.keyAt(i); 12691 if (pir.dump(pw, 12692 dumpState.getTitlePrinted() 12693 ? "\nPreferred Activities User " + user + ":" 12694 : "Preferred Activities User " + user + ":", " ", 12695 packageName, true, false)) { 12696 dumpState.setTitlePrinted(true); 12697 } 12698 } 12699 } 12700 12701 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12702 pw.flush(); 12703 FileOutputStream fout = new FileOutputStream(fd); 12704 BufferedOutputStream str = new BufferedOutputStream(fout); 12705 XmlSerializer serializer = new FastXmlSerializer(); 12706 try { 12707 serializer.setOutput(str, "utf-8"); 12708 serializer.startDocument(null, true); 12709 serializer.setFeature( 12710 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12711 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12712 serializer.endDocument(); 12713 serializer.flush(); 12714 } catch (IllegalArgumentException e) { 12715 pw.println("Failed writing: " + e); 12716 } catch (IllegalStateException e) { 12717 pw.println("Failed writing: " + e); 12718 } catch (IOException e) { 12719 pw.println("Failed writing: " + e); 12720 } 12721 } 12722 12723 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12724 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12725 if (packageName == null) { 12726 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12727 if (iperm == 0) { 12728 if (dumpState.onTitlePrinted()) 12729 pw.println(); 12730 pw.println("AppOp Permissions:"); 12731 } 12732 pw.print(" AppOp Permission "); 12733 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12734 pw.println(":"); 12735 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12736 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12737 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12738 } 12739 } 12740 } 12741 } 12742 12743 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12744 boolean printedSomething = false; 12745 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12746 if (packageName != null && !packageName.equals(p.info.packageName)) { 12747 continue; 12748 } 12749 if (!printedSomething) { 12750 if (dumpState.onTitlePrinted()) 12751 pw.println(); 12752 pw.println("Registered ContentProviders:"); 12753 printedSomething = true; 12754 } 12755 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12756 pw.print(" "); pw.println(p.toString()); 12757 } 12758 printedSomething = false; 12759 for (Map.Entry<String, PackageParser.Provider> entry : 12760 mProvidersByAuthority.entrySet()) { 12761 PackageParser.Provider p = entry.getValue(); 12762 if (packageName != null && !packageName.equals(p.info.packageName)) { 12763 continue; 12764 } 12765 if (!printedSomething) { 12766 if (dumpState.onTitlePrinted()) 12767 pw.println(); 12768 pw.println("ContentProvider Authorities:"); 12769 printedSomething = true; 12770 } 12771 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12772 pw.print(" "); pw.println(p.toString()); 12773 if (p.info != null && p.info.applicationInfo != null) { 12774 final String appInfo = p.info.applicationInfo.toString(); 12775 pw.print(" applicationInfo="); pw.println(appInfo); 12776 } 12777 } 12778 } 12779 12780 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12781 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12782 } 12783 12784 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12785 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12786 } 12787 12788 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12789 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12790 } 12791 12792 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12793 // XXX should handle packageName != null by dumping only install data that 12794 // the given package is involved with. 12795 if (dumpState.onTitlePrinted()) pw.println(); 12796 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12797 } 12798 12799 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12800 if (dumpState.onTitlePrinted()) pw.println(); 12801 mSettings.dumpReadMessagesLPr(pw, dumpState); 12802 12803 pw.println(); 12804 pw.println("Package warning messages:"); 12805 BufferedReader in = null; 12806 String line = null; 12807 try { 12808 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12809 while ((line = in.readLine()) != null) { 12810 if (line.contains("ignored: updated version")) continue; 12811 pw.println(line); 12812 } 12813 } catch (IOException ignored) { 12814 } finally { 12815 IoUtils.closeQuietly(in); 12816 } 12817 } 12818 12819 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12820 BufferedReader in = null; 12821 String line = null; 12822 try { 12823 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12824 while ((line = in.readLine()) != null) { 12825 if (line.contains("ignored: updated version")) continue; 12826 pw.print("msg,"); 12827 pw.println(line); 12828 } 12829 } catch (IOException ignored) { 12830 } finally { 12831 IoUtils.closeQuietly(in); 12832 } 12833 } 12834 } 12835 } 12836 12837 // ------- apps on sdcard specific code ------- 12838 static final boolean DEBUG_SD_INSTALL = false; 12839 12840 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12841 12842 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12843 12844 private boolean mMediaMounted = false; 12845 12846 static String getEncryptKey() { 12847 try { 12848 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12849 SD_ENCRYPTION_KEYSTORE_NAME); 12850 if (sdEncKey == null) { 12851 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12852 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12853 if (sdEncKey == null) { 12854 Slog.e(TAG, "Failed to create encryption keys"); 12855 return null; 12856 } 12857 } 12858 return sdEncKey; 12859 } catch (NoSuchAlgorithmException nsae) { 12860 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12861 return null; 12862 } catch (IOException ioe) { 12863 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12864 return null; 12865 } 12866 } 12867 12868 /* 12869 * Update media status on PackageManager. 12870 */ 12871 @Override 12872 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12873 int callingUid = Binder.getCallingUid(); 12874 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12875 throw new SecurityException("Media status can only be updated by the system"); 12876 } 12877 // reader; this apparently protects mMediaMounted, but should probably 12878 // be a different lock in that case. 12879 synchronized (mPackages) { 12880 Log.i(TAG, "Updating external media status from " 12881 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12882 + (mediaStatus ? "mounted" : "unmounted")); 12883 if (DEBUG_SD_INSTALL) 12884 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12885 + ", mMediaMounted=" + mMediaMounted); 12886 if (mediaStatus == mMediaMounted) { 12887 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12888 : 0, -1); 12889 mHandler.sendMessage(msg); 12890 return; 12891 } 12892 mMediaMounted = mediaStatus; 12893 } 12894 // Queue up an async operation since the package installation may take a 12895 // little while. 12896 mHandler.post(new Runnable() { 12897 public void run() { 12898 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12899 } 12900 }); 12901 } 12902 12903 /** 12904 * Called by MountService when the initial ASECs to scan are available. 12905 * Should block until all the ASEC containers are finished being scanned. 12906 */ 12907 public void scanAvailableAsecs() { 12908 updateExternalMediaStatusInner(true, false, false); 12909 if (mShouldRestoreconData) { 12910 SELinuxMMAC.setRestoreconDone(); 12911 mShouldRestoreconData = false; 12912 } 12913 } 12914 12915 /* 12916 * Collect information of applications on external media, map them against 12917 * existing containers and update information based on current mount status. 12918 * Please note that we always have to report status if reportStatus has been 12919 * set to true especially when unloading packages. 12920 */ 12921 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12922 boolean externalStorage) { 12923 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12924 int[] uidArr = EmptyArray.INT; 12925 12926 final String[] list = PackageHelper.getSecureContainerList(); 12927 if (ArrayUtils.isEmpty(list)) { 12928 Log.i(TAG, "No secure containers found"); 12929 } else { 12930 // Process list of secure containers and categorize them 12931 // as active or stale based on their package internal state. 12932 12933 // reader 12934 synchronized (mPackages) { 12935 for (String cid : list) { 12936 // Leave stages untouched for now; installer service owns them 12937 if (PackageInstallerService.isStageName(cid)) continue; 12938 12939 if (DEBUG_SD_INSTALL) 12940 Log.i(TAG, "Processing container " + cid); 12941 String pkgName = getAsecPackageName(cid); 12942 if (pkgName == null) { 12943 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12944 continue; 12945 } 12946 if (DEBUG_SD_INSTALL) 12947 Log.i(TAG, "Looking for pkg : " + pkgName); 12948 12949 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12950 if (ps == null) { 12951 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12952 continue; 12953 } 12954 12955 /* 12956 * Skip packages that are not external if we're unmounting 12957 * external storage. 12958 */ 12959 if (externalStorage && !isMounted && !isExternal(ps)) { 12960 continue; 12961 } 12962 12963 final AsecInstallArgs args = new AsecInstallArgs(cid, 12964 getAppDexInstructionSets(ps), ps.isForwardLocked()); 12965 // The package status is changed only if the code path 12966 // matches between settings and the container id. 12967 if (ps.codePathString != null 12968 && ps.codePathString.startsWith(args.getCodePath())) { 12969 if (DEBUG_SD_INSTALL) { 12970 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12971 + " at code path: " + ps.codePathString); 12972 } 12973 12974 // We do have a valid package installed on sdcard 12975 processCids.put(args, ps.codePathString); 12976 final int uid = ps.appId; 12977 if (uid != -1) { 12978 uidArr = ArrayUtils.appendInt(uidArr, uid); 12979 } 12980 } else { 12981 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12982 + ps.codePathString); 12983 } 12984 } 12985 } 12986 12987 Arrays.sort(uidArr); 12988 } 12989 12990 // Process packages with valid entries. 12991 if (isMounted) { 12992 if (DEBUG_SD_INSTALL) 12993 Log.i(TAG, "Loading packages"); 12994 loadMediaPackages(processCids, uidArr); 12995 startCleaningPackages(); 12996 mInstallerService.onSecureContainersAvailable(); 12997 } else { 12998 if (DEBUG_SD_INSTALL) 12999 Log.i(TAG, "Unloading packages"); 13000 unloadMediaPackages(processCids, uidArr, reportStatus); 13001 } 13002 } 13003 13004 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 13005 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 13006 int size = pkgList.size(); 13007 if (size > 0) { 13008 // Send broadcasts here 13009 Bundle extras = new Bundle(); 13010 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 13011 .toArray(new String[size])); 13012 if (uidArr != null) { 13013 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 13014 } 13015 if (replacing) { 13016 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 13017 } 13018 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 13019 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 13020 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 13021 } 13022 } 13023 13024 /* 13025 * Look at potentially valid container ids from processCids If package 13026 * information doesn't match the one on record or package scanning fails, 13027 * the cid is added to list of removeCids. We currently don't delete stale 13028 * containers. 13029 */ 13030 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 13031 ArrayList<String> pkgList = new ArrayList<String>(); 13032 Set<AsecInstallArgs> keys = processCids.keySet(); 13033 13034 for (AsecInstallArgs args : keys) { 13035 String codePath = processCids.get(args); 13036 if (DEBUG_SD_INSTALL) 13037 Log.i(TAG, "Loading container : " + args.cid); 13038 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13039 try { 13040 // Make sure there are no container errors first. 13041 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 13042 Slog.e(TAG, "Failed to mount cid : " + args.cid 13043 + " when installing from sdcard"); 13044 continue; 13045 } 13046 // Check code path here. 13047 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 13048 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 13049 + " does not match one in settings " + codePath); 13050 continue; 13051 } 13052 // Parse package 13053 int parseFlags = mDefParseFlags; 13054 if (args.isExternal()) { 13055 parseFlags |= PackageParser.PARSE_ON_SDCARD; 13056 } 13057 if (args.isFwdLocked()) { 13058 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 13059 } 13060 13061 synchronized (mInstallLock) { 13062 PackageParser.Package pkg = null; 13063 try { 13064 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 13065 } catch (PackageManagerException e) { 13066 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 13067 } 13068 // Scan the package 13069 if (pkg != null) { 13070 /* 13071 * TODO why is the lock being held? doPostInstall is 13072 * called in other places without the lock. This needs 13073 * to be straightened out. 13074 */ 13075 // writer 13076 synchronized (mPackages) { 13077 retCode = PackageManager.INSTALL_SUCCEEDED; 13078 pkgList.add(pkg.packageName); 13079 // Post process args 13080 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 13081 pkg.applicationInfo.uid); 13082 } 13083 } else { 13084 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 13085 } 13086 } 13087 13088 } finally { 13089 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 13090 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 13091 } 13092 } 13093 } 13094 // writer 13095 synchronized (mPackages) { 13096 // If the platform SDK has changed since the last time we booted, 13097 // we need to re-grant app permission to catch any new ones that 13098 // appear. This is really a hack, and means that apps can in some 13099 // cases get permissions that the user didn't initially explicitly 13100 // allow... it would be nice to have some better way to handle 13101 // this situation. 13102 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 13103 if (regrantPermissions) 13104 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 13105 + mSdkVersion + "; regranting permissions for external storage"); 13106 mSettings.mExternalSdkPlatform = mSdkVersion; 13107 13108 // Make sure group IDs have been assigned, and any permission 13109 // changes in other apps are accounted for 13110 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 13111 | (regrantPermissions 13112 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 13113 : 0)); 13114 13115 mSettings.updateExternalDatabaseVersion(); 13116 13117 // can downgrade to reader 13118 // Persist settings 13119 mSettings.writeLPr(); 13120 } 13121 // Send a broadcast to let everyone know we are done processing 13122 if (pkgList.size() > 0) { 13123 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13124 } 13125 } 13126 13127 /* 13128 * Utility method to unload a list of specified containers 13129 */ 13130 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 13131 // Just unmount all valid containers. 13132 for (AsecInstallArgs arg : cidArgs) { 13133 synchronized (mInstallLock) { 13134 arg.doPostDeleteLI(false); 13135 } 13136 } 13137 } 13138 13139 /* 13140 * Unload packages mounted on external media. This involves deleting package 13141 * data from internal structures, sending broadcasts about diabled packages, 13142 * gc'ing to free up references, unmounting all secure containers 13143 * corresponding to packages on external media, and posting a 13144 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 13145 * that we always have to post this message if status has been requested no 13146 * matter what. 13147 */ 13148 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 13149 final boolean reportStatus) { 13150 if (DEBUG_SD_INSTALL) 13151 Log.i(TAG, "unloading media packages"); 13152 ArrayList<String> pkgList = new ArrayList<String>(); 13153 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 13154 final Set<AsecInstallArgs> keys = processCids.keySet(); 13155 for (AsecInstallArgs args : keys) { 13156 String pkgName = args.getPackageName(); 13157 if (DEBUG_SD_INSTALL) 13158 Log.i(TAG, "Trying to unload pkg : " + pkgName); 13159 // Delete package internally 13160 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 13161 synchronized (mInstallLock) { 13162 boolean res = deletePackageLI(pkgName, null, false, null, null, 13163 PackageManager.DELETE_KEEP_DATA, outInfo, false); 13164 if (res) { 13165 pkgList.add(pkgName); 13166 } else { 13167 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 13168 failedList.add(args); 13169 } 13170 } 13171 } 13172 13173 // reader 13174 synchronized (mPackages) { 13175 // We didn't update the settings after removing each package; 13176 // write them now for all packages. 13177 mSettings.writeLPr(); 13178 } 13179 13180 // We have to absolutely send UPDATED_MEDIA_STATUS only 13181 // after confirming that all the receivers processed the ordered 13182 // broadcast when packages get disabled, force a gc to clean things up. 13183 // and unload all the containers. 13184 if (pkgList.size() > 0) { 13185 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 13186 new IIntentReceiver.Stub() { 13187 public void performReceive(Intent intent, int resultCode, String data, 13188 Bundle extras, boolean ordered, boolean sticky, 13189 int sendingUser) throws RemoteException { 13190 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13191 reportStatus ? 1 : 0, 1, keys); 13192 mHandler.sendMessage(msg); 13193 } 13194 }); 13195 } else { 13196 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13197 keys); 13198 mHandler.sendMessage(msg); 13199 } 13200 } 13201 13202 /** Binder call */ 13203 @Override 13204 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13205 final int flags) { 13206 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13207 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13208 int returnCode = PackageManager.MOVE_SUCCEEDED; 13209 int currInstallFlags = 0; 13210 int newInstallFlags = 0; 13211 13212 File codeFile = null; 13213 String installerPackageName = null; 13214 String packageAbiOverride = null; 13215 13216 // reader 13217 synchronized (mPackages) { 13218 final PackageParser.Package pkg = mPackages.get(packageName); 13219 final PackageSetting ps = mSettings.mPackages.get(packageName); 13220 if (pkg == null || ps == null) { 13221 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13222 } else { 13223 // Disable moving fwd locked apps and system packages 13224 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13225 Slog.w(TAG, "Cannot move system application"); 13226 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13227 } else if (pkg.mOperationPending) { 13228 Slog.w(TAG, "Attempt to move package which has pending operations"); 13229 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13230 } else { 13231 // Find install location first 13232 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13233 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13234 Slog.w(TAG, "Ambigous flags specified for move location."); 13235 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13236 } else { 13237 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13238 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13239 currInstallFlags = isExternal(pkg) 13240 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13241 13242 if (newInstallFlags == currInstallFlags) { 13243 Slog.w(TAG, "No move required. Trying to move to same location"); 13244 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13245 } else { 13246 if (pkg.isForwardLocked()) { 13247 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13248 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13249 } 13250 } 13251 } 13252 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13253 pkg.mOperationPending = true; 13254 } 13255 } 13256 13257 codeFile = new File(pkg.codePath); 13258 installerPackageName = ps.installerPackageName; 13259 packageAbiOverride = ps.cpuAbiOverrideString; 13260 } 13261 } 13262 13263 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13264 try { 13265 observer.packageMoved(packageName, returnCode); 13266 } catch (RemoteException ignored) { 13267 } 13268 return; 13269 } 13270 13271 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13272 @Override 13273 public void onUserActionRequired(Intent intent) throws RemoteException { 13274 throw new IllegalStateException(); 13275 } 13276 13277 @Override 13278 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13279 Bundle extras) throws RemoteException { 13280 Slog.d(TAG, "Install result for move: " 13281 + PackageManager.installStatusToString(returnCode, msg)); 13282 13283 // We usually have a new package now after the install, but if 13284 // we failed we need to clear the pending flag on the original 13285 // package object. 13286 synchronized (mPackages) { 13287 final PackageParser.Package pkg = mPackages.get(packageName); 13288 if (pkg != null) { 13289 pkg.mOperationPending = false; 13290 } 13291 } 13292 13293 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13294 switch (status) { 13295 case PackageInstaller.STATUS_SUCCESS: 13296 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13297 break; 13298 case PackageInstaller.STATUS_FAILURE_STORAGE: 13299 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13300 break; 13301 default: 13302 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13303 break; 13304 } 13305 } 13306 }; 13307 13308 // Treat a move like reinstalling an existing app, which ensures that we 13309 // process everythign uniformly, like unpacking native libraries. 13310 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13311 13312 final Message msg = mHandler.obtainMessage(INIT_COPY); 13313 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13314 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13315 installerPackageName, null, user, packageAbiOverride); 13316 mHandler.sendMessage(msg); 13317 } 13318 13319 @Override 13320 public boolean setInstallLocation(int loc) { 13321 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13322 null); 13323 if (getInstallLocation() == loc) { 13324 return true; 13325 } 13326 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13327 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13328 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13329 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13330 return true; 13331 } 13332 return false; 13333 } 13334 13335 @Override 13336 public int getInstallLocation() { 13337 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13338 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13339 PackageHelper.APP_INSTALL_AUTO); 13340 } 13341 13342 /** Called by UserManagerService */ 13343 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13344 mDirtyUsers.remove(userHandle); 13345 mSettings.removeUserLPw(userHandle); 13346 mPendingBroadcasts.remove(userHandle); 13347 if (mInstaller != null) { 13348 // Technically, we shouldn't be doing this with the package lock 13349 // held. However, this is very rare, and there is already so much 13350 // other disk I/O going on, that we'll let it slide for now. 13351 mInstaller.removeUserDataDirs(userHandle); 13352 } 13353 mUserNeedsBadging.delete(userHandle); 13354 removeUnusedPackagesLILPw(userManager, userHandle); 13355 } 13356 13357 /** 13358 * We're removing userHandle and would like to remove any downloaded packages 13359 * that are no longer in use by any other user. 13360 * @param userHandle the user being removed 13361 */ 13362 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13363 final boolean DEBUG_CLEAN_APKS = false; 13364 int [] users = userManager.getUserIdsLPr(); 13365 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13366 while (psit.hasNext()) { 13367 PackageSetting ps = psit.next(); 13368 if (ps.pkg == null) { 13369 continue; 13370 } 13371 final String packageName = ps.pkg.packageName; 13372 // Skip over if system app 13373 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13374 continue; 13375 } 13376 if (DEBUG_CLEAN_APKS) { 13377 Slog.i(TAG, "Checking package " + packageName); 13378 } 13379 boolean keep = false; 13380 for (int i = 0; i < users.length; i++) { 13381 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13382 keep = true; 13383 if (DEBUG_CLEAN_APKS) { 13384 Slog.i(TAG, " Keeping package " + packageName + " for user " 13385 + users[i]); 13386 } 13387 break; 13388 } 13389 } 13390 if (!keep) { 13391 if (DEBUG_CLEAN_APKS) { 13392 Slog.i(TAG, " Removing package " + packageName); 13393 } 13394 mHandler.post(new Runnable() { 13395 public void run() { 13396 deletePackageX(packageName, userHandle, 0); 13397 } //end run 13398 }); 13399 } 13400 } 13401 } 13402 13403 /** Called by UserManagerService */ 13404 void createNewUserLILPw(int userHandle, File path) { 13405 if (mInstaller != null) { 13406 mInstaller.createUserConfig(userHandle); 13407 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13408 } 13409 } 13410 13411 void newUserCreatedLILPw(int userHandle) { 13412 // Adding a user requires updating runtime permissions for system apps. 13413 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 13414 } 13415 13416 @Override 13417 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13418 mContext.enforceCallingOrSelfPermission( 13419 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13420 "Only package verification agents can read the verifier device identity"); 13421 13422 synchronized (mPackages) { 13423 return mSettings.getVerifierDeviceIdentityLPw(); 13424 } 13425 } 13426 13427 @Override 13428 public void setPermissionEnforced(String permission, boolean enforced) { 13429 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13430 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13431 synchronized (mPackages) { 13432 if (mSettings.mReadExternalStorageEnforced == null 13433 || mSettings.mReadExternalStorageEnforced != enforced) { 13434 mSettings.mReadExternalStorageEnforced = enforced; 13435 mSettings.writeLPr(); 13436 } 13437 } 13438 // kill any non-foreground processes so we restart them and 13439 // grant/revoke the GID. 13440 final IActivityManager am = ActivityManagerNative.getDefault(); 13441 if (am != null) { 13442 final long token = Binder.clearCallingIdentity(); 13443 try { 13444 am.killProcessesBelowForeground("setPermissionEnforcement"); 13445 } catch (RemoteException e) { 13446 } finally { 13447 Binder.restoreCallingIdentity(token); 13448 } 13449 } 13450 } else { 13451 throw new IllegalArgumentException("No selective enforcement for " + permission); 13452 } 13453 } 13454 13455 @Override 13456 @Deprecated 13457 public boolean isPermissionEnforced(String permission) { 13458 return true; 13459 } 13460 13461 @Override 13462 public boolean isStorageLow() { 13463 final long token = Binder.clearCallingIdentity(); 13464 try { 13465 final DeviceStorageMonitorInternal 13466 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13467 if (dsm != null) { 13468 return dsm.isMemoryLow(); 13469 } else { 13470 return false; 13471 } 13472 } finally { 13473 Binder.restoreCallingIdentity(token); 13474 } 13475 } 13476 13477 @Override 13478 public IPackageInstaller getPackageInstaller() { 13479 return mInstallerService; 13480 } 13481 13482 private boolean userNeedsBadging(int userId) { 13483 int index = mUserNeedsBadging.indexOfKey(userId); 13484 if (index < 0) { 13485 final UserInfo userInfo; 13486 final long token = Binder.clearCallingIdentity(); 13487 try { 13488 userInfo = sUserManager.getUserInfo(userId); 13489 } finally { 13490 Binder.restoreCallingIdentity(token); 13491 } 13492 final boolean b; 13493 if (userInfo != null && userInfo.isManagedProfile()) { 13494 b = true; 13495 } else { 13496 b = false; 13497 } 13498 mUserNeedsBadging.put(userId, b); 13499 return b; 13500 } 13501 return mUserNeedsBadging.valueAt(index); 13502 } 13503 13504 @Override 13505 public KeySet getKeySetByAlias(String packageName, String alias) { 13506 if (packageName == null || alias == null) { 13507 return null; 13508 } 13509 synchronized(mPackages) { 13510 final PackageParser.Package pkg = mPackages.get(packageName); 13511 if (pkg == null) { 13512 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13513 throw new IllegalArgumentException("Unknown package: " + packageName); 13514 } 13515 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13516 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13517 } 13518 } 13519 13520 @Override 13521 public KeySet getSigningKeySet(String packageName) { 13522 if (packageName == null) { 13523 return null; 13524 } 13525 synchronized(mPackages) { 13526 final PackageParser.Package pkg = mPackages.get(packageName); 13527 if (pkg == null) { 13528 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13529 throw new IllegalArgumentException("Unknown package: " + packageName); 13530 } 13531 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13532 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13533 throw new SecurityException("May not access signing KeySet of other apps."); 13534 } 13535 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13536 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13537 } 13538 } 13539 13540 @Override 13541 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13542 if (packageName == null || ks == null) { 13543 return false; 13544 } 13545 synchronized(mPackages) { 13546 final PackageParser.Package pkg = mPackages.get(packageName); 13547 if (pkg == null) { 13548 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13549 throw new IllegalArgumentException("Unknown package: " + packageName); 13550 } 13551 IBinder ksh = ks.getToken(); 13552 if (ksh instanceof KeySetHandle) { 13553 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13554 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13555 } 13556 return false; 13557 } 13558 } 13559 13560 @Override 13561 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13562 if (packageName == null || ks == null) { 13563 return false; 13564 } 13565 synchronized(mPackages) { 13566 final PackageParser.Package pkg = mPackages.get(packageName); 13567 if (pkg == null) { 13568 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13569 throw new IllegalArgumentException("Unknown package: " + packageName); 13570 } 13571 IBinder ksh = ks.getToken(); 13572 if (ksh instanceof KeySetHandle) { 13573 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13574 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13575 } 13576 return false; 13577 } 13578 } 13579 13580 public void getUsageStatsIfNoPackageUsageInfo() { 13581 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13582 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13583 if (usm == null) { 13584 throw new IllegalStateException("UsageStatsManager must be initialized"); 13585 } 13586 long now = System.currentTimeMillis(); 13587 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13588 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13589 String packageName = entry.getKey(); 13590 PackageParser.Package pkg = mPackages.get(packageName); 13591 if (pkg == null) { 13592 continue; 13593 } 13594 UsageStats usage = entry.getValue(); 13595 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13596 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13597 } 13598 } 13599 } 13600 13601 /** 13602 * Check and throw if the given before/after packages would be considered a 13603 * downgrade. 13604 */ 13605 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13606 throws PackageManagerException { 13607 if (after.versionCode < before.mVersionCode) { 13608 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13609 "Update version code " + after.versionCode + " is older than current " 13610 + before.mVersionCode); 13611 } else if (after.versionCode == before.mVersionCode) { 13612 if (after.baseRevisionCode < before.baseRevisionCode) { 13613 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13614 "Update base revision code " + after.baseRevisionCode 13615 + " is older than current " + before.baseRevisionCode); 13616 } 13617 13618 if (!ArrayUtils.isEmpty(after.splitNames)) { 13619 for (int i = 0; i < after.splitNames.length; i++) { 13620 final String splitName = after.splitNames[i]; 13621 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13622 if (j != -1) { 13623 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13624 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13625 "Update split " + splitName + " revision code " 13626 + after.splitRevisionCodes[i] + " is older than current " 13627 + before.splitRevisionCodes[j]); 13628 } 13629 } 13630 } 13631 } 13632 } 13633 } 13634} 13635