PackageManagerService.java revision 10bef1d2f444b8ca23ee317d3bcfb586860af18b
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.internal.util.ArrayUtils.removeInt; 58 59import android.util.ArrayMap; 60 61import com.android.internal.R; 62import com.android.internal.app.IMediaContainerService; 63import com.android.internal.app.ResolverActivity; 64import com.android.internal.content.NativeLibraryHelper; 65import com.android.internal.content.PackageHelper; 66import com.android.internal.os.IParcelFileDescriptorFactory; 67import com.android.internal.util.ArrayUtils; 68import com.android.internal.util.FastPrintWriter; 69import com.android.internal.util.FastXmlSerializer; 70import com.android.internal.util.IndentingPrintWriter; 71import com.android.server.EventLogTags; 72import com.android.server.IntentResolver; 73import com.android.server.LocalServices; 74import com.android.server.ServiceThread; 75import com.android.server.SystemConfig; 76import com.android.server.Watchdog; 77import com.android.server.pm.Settings.DatabaseVersion; 78import com.android.server.storage.DeviceStorageMonitorInternal; 79 80import org.xmlpull.v1.XmlSerializer; 81 82import android.app.ActivityManager; 83import android.app.ActivityManagerNative; 84import android.app.AppGlobals; 85import android.app.IActivityManager; 86import android.app.admin.IDevicePolicyManager; 87import android.app.backup.IBackupManager; 88import android.app.usage.UsageStats; 89import android.app.usage.UsageStatsManager; 90import android.content.BroadcastReceiver; 91import android.content.ComponentName; 92import android.content.Context; 93import android.content.IIntentReceiver; 94import android.content.Intent; 95import android.content.IntentFilter; 96import android.content.IntentSender; 97import android.content.IntentSender.SendIntentException; 98import android.content.ServiceConnection; 99import android.content.pm.ActivityInfo; 100import android.content.pm.ApplicationInfo; 101import android.content.pm.FeatureInfo; 102import android.content.pm.IPackageDataObserver; 103import android.content.pm.IPackageDeleteObserver; 104import android.content.pm.IPackageDeleteObserver2; 105import android.content.pm.IPackageInstallObserver2; 106import android.content.pm.IPackageInstaller; 107import android.content.pm.IPackageManager; 108import android.content.pm.IPackageMoveObserver; 109import android.content.pm.IPackageStatsObserver; 110import android.content.pm.InstrumentationInfo; 111import android.content.pm.KeySet; 112import android.content.pm.ManifestDigest; 113import android.content.pm.PackageCleanItem; 114import android.content.pm.PackageInfo; 115import android.content.pm.PackageInfoLite; 116import android.content.pm.PackageInstaller; 117import android.content.pm.PackageManager; 118import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 119import android.content.pm.PackageParser.ActivityIntentInfo; 120import android.content.pm.PackageParser.PackageLite; 121import android.content.pm.PackageParser.PackageParserException; 122import android.content.pm.PackageParser; 123import android.content.pm.PackageStats; 124import android.content.pm.PackageUserState; 125import android.content.pm.ParceledListSlice; 126import android.content.pm.PermissionGroupInfo; 127import android.content.pm.PermissionInfo; 128import android.content.pm.ProviderInfo; 129import android.content.pm.ResolveInfo; 130import android.content.pm.ServiceInfo; 131import android.content.pm.Signature; 132import android.content.pm.UserInfo; 133import android.content.pm.VerificationParams; 134import android.content.pm.VerifierDeviceIdentity; 135import android.content.pm.VerifierInfo; 136import android.content.res.Resources; 137import android.hardware.display.DisplayManager; 138import android.net.Uri; 139import android.os.Binder; 140import android.os.Build; 141import android.os.Bundle; 142import android.os.Environment; 143import android.os.Environment.UserEnvironment; 144import android.os.storage.IMountService; 145import android.os.storage.StorageManager; 146import android.os.Debug; 147import android.os.FileUtils; 148import android.os.Handler; 149import android.os.IBinder; 150import android.os.Looper; 151import android.os.Message; 152import android.os.Parcel; 153import android.os.ParcelFileDescriptor; 154import android.os.Process; 155import android.os.RemoteException; 156import android.os.SELinux; 157import android.os.ServiceManager; 158import android.os.SystemClock; 159import android.os.SystemProperties; 160import android.os.UserHandle; 161import android.os.UserManager; 162import android.security.KeyStore; 163import android.security.SystemKeyStore; 164import android.system.ErrnoException; 165import android.system.Os; 166import android.system.StructStat; 167import android.text.TextUtils; 168import android.text.format.DateUtils; 169import android.util.ArraySet; 170import android.util.AtomicFile; 171import android.util.DisplayMetrics; 172import android.util.EventLog; 173import android.util.ExceptionUtils; 174import android.util.Log; 175import android.util.LogPrinter; 176import android.util.PrintStreamPrinter; 177import android.util.Slog; 178import android.util.SparseArray; 179import android.util.SparseBooleanArray; 180import android.view.Display; 181 182import java.io.BufferedInputStream; 183import java.io.BufferedOutputStream; 184import java.io.BufferedReader; 185import java.io.File; 186import java.io.FileDescriptor; 187import java.io.FileInputStream; 188import java.io.FileNotFoundException; 189import java.io.FileOutputStream; 190import java.io.FileReader; 191import java.io.FilenameFilter; 192import java.io.IOException; 193import java.io.InputStream; 194import java.io.PrintWriter; 195import java.nio.charset.StandardCharsets; 196import java.security.NoSuchAlgorithmException; 197import java.security.PublicKey; 198import java.security.cert.CertificateEncodingException; 199import java.security.cert.CertificateException; 200import java.text.SimpleDateFormat; 201import java.util.ArrayList; 202import java.util.Arrays; 203import java.util.Collection; 204import java.util.Collections; 205import java.util.Comparator; 206import java.util.Date; 207import java.util.Iterator; 208import java.util.List; 209import java.util.Map; 210import java.util.Objects; 211import java.util.Set; 212import java.util.concurrent.atomic.AtomicBoolean; 213import java.util.concurrent.atomic.AtomicLong; 214 215import dalvik.system.DexFile; 216import dalvik.system.StaleDexCacheError; 217import dalvik.system.VMRuntime; 218 219import libcore.io.IoUtils; 220import libcore.util.EmptyArray; 221 222/** 223 * Keep track of all those .apks everywhere. 224 * 225 * This is very central to the platform's security; please run the unit 226 * tests whenever making modifications here: 227 * 228mmm frameworks/base/tests/AndroidTests 229adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 230adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 231 * 232 * {@hide} 233 */ 234public class PackageManagerService extends IPackageManager.Stub { 235 static final String TAG = "PackageManager"; 236 static final boolean DEBUG_SETTINGS = false; 237 static final boolean DEBUG_PREFERRED = false; 238 static final boolean DEBUG_UPGRADE = false; 239 private static final boolean DEBUG_INSTALL = false; 240 private static final boolean DEBUG_REMOVE = false; 241 private static final boolean DEBUG_BROADCASTS = false; 242 private static final boolean DEBUG_SHOW_INFO = false; 243 private static final boolean DEBUG_PACKAGE_INFO = false; 244 private static final boolean DEBUG_INTENT_MATCHING = false; 245 private static final boolean DEBUG_PACKAGE_SCANNING = false; 246 private static final boolean DEBUG_VERIFY = false; 247 private static final boolean DEBUG_DEXOPT = false; 248 private static final boolean DEBUG_ABI_SELECTION = false; 249 250 private static final int RADIO_UID = Process.PHONE_UID; 251 private static final int LOG_UID = Process.LOG_UID; 252 private static final int NFC_UID = Process.NFC_UID; 253 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 254 private static final int SHELL_UID = Process.SHELL_UID; 255 256 // Cap the size of permission trees that 3rd party apps can define 257 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 258 259 // Suffix used during package installation when copying/moving 260 // package apks to install directory. 261 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 262 263 static final int SCAN_NO_DEX = 1<<1; 264 static final int SCAN_FORCE_DEX = 1<<2; 265 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 266 static final int SCAN_NEW_INSTALL = 1<<4; 267 static final int SCAN_NO_PATHS = 1<<5; 268 static final int SCAN_UPDATE_TIME = 1<<6; 269 static final int SCAN_DEFER_DEX = 1<<7; 270 static final int SCAN_BOOTING = 1<<8; 271 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 272 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 273 static final int SCAN_REPLACING = 1<<11; 274 275 static final int REMOVE_CHATTY = 1<<16; 276 277 /** 278 * Timeout (in milliseconds) after which the watchdog should declare that 279 * our handler thread is wedged. The usual default for such things is one 280 * minute but we sometimes do very lengthy I/O operations on this thread, 281 * such as installing multi-gigabyte applications, so ours needs to be longer. 282 */ 283 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 284 285 /** 286 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 287 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 288 * settings entry if available, otherwise we use the hardcoded default. If it's been 289 * more than this long since the last fstrim, we force one during the boot sequence. 290 * 291 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 292 * one gets run at the next available charging+idle time. This final mandatory 293 * no-fstrim check kicks in only of the other scheduling criteria is never met. 294 */ 295 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 296 297 /** 298 * Whether verification is enabled by default. 299 */ 300 private static final boolean DEFAULT_VERIFY_ENABLE = true; 301 302 /** 303 * The default maximum time to wait for the verification agent to return in 304 * milliseconds. 305 */ 306 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 307 308 /** 309 * The default response for package verification timeout. 310 * 311 * This can be either PackageManager.VERIFICATION_ALLOW or 312 * PackageManager.VERIFICATION_REJECT. 313 */ 314 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 315 316 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 317 318 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 319 DEFAULT_CONTAINER_PACKAGE, 320 "com.android.defcontainer.DefaultContainerService"); 321 322 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 323 324 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 325 326 private static String sPreferredInstructionSet; 327 328 final ServiceThread mHandlerThread; 329 330 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 331 private static final String IDMAP_SUFFIX = "@idmap"; 332 333 final PackageHandler mHandler; 334 335 /** 336 * Messages for {@link #mHandler} that need to wait for system ready before 337 * being dispatched. 338 */ 339 private ArrayList<Message> mPostSystemReadyMessages; 340 341 final int mSdkVersion = Build.VERSION.SDK_INT; 342 343 final Context mContext; 344 final boolean mFactoryTest; 345 final boolean mOnlyCore; 346 final boolean mLazyDexOpt; 347 final long mDexOptLRUThresholdInMills; 348 final DisplayMetrics mMetrics; 349 final int mDefParseFlags; 350 final String[] mSeparateProcesses; 351 final boolean mIsUpgrade; 352 353 // This is where all application persistent data goes. 354 final File mAppDataDir; 355 356 // This is where all application persistent data goes for secondary users. 357 final File mUserAppDataDir; 358 359 /** The location for ASEC container files on internal storage. */ 360 final String mAsecInternalPath; 361 362 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 363 // LOCK HELD. Can be called with mInstallLock held. 364 final Installer mInstaller; 365 366 /** Directory where installed third-party apps stored */ 367 final File mAppInstallDir; 368 369 /** 370 * Directory to which applications installed internally have their 371 * 32 bit native libraries copied. 372 */ 373 private File mAppLib32InstallDir; 374 375 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 376 // apps. 377 final File mDrmAppPrivateInstallDir; 378 379 // ---------------------------------------------------------------- 380 381 // Lock for state used when installing and doing other long running 382 // operations. Methods that must be called with this lock held have 383 // the suffix "LI". 384 final Object mInstallLock = new Object(); 385 386 // ---------------------------------------------------------------- 387 388 // Keys are String (package name), values are Package. This also serves 389 // as the lock for the global state. Methods that must be called with 390 // this lock held have the prefix "LP". 391 final ArrayMap<String, PackageParser.Package> mPackages = 392 new ArrayMap<String, PackageParser.Package>(); 393 394 // Tracks available target package names -> overlay package paths. 395 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 396 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 397 398 final Settings mSettings; 399 boolean mRestoredSettings; 400 401 // System configuration read by SystemConfig. 402 final int[] mGlobalGids; 403 final SparseArray<ArraySet<String>> mSystemPermissions; 404 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 405 406 // If mac_permissions.xml was found for seinfo labeling. 407 boolean mFoundPolicyFile; 408 409 // If a recursive restorecon of /data/data/<pkg> is needed. 410 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 411 412 public static final class SharedLibraryEntry { 413 public final String path; 414 public final String apk; 415 416 SharedLibraryEntry(String _path, String _apk) { 417 path = _path; 418 apk = _apk; 419 } 420 } 421 422 // Currently known shared libraries. 423 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 424 new ArrayMap<String, SharedLibraryEntry>(); 425 426 // All available activities, for your resolving pleasure. 427 final ActivityIntentResolver mActivities = 428 new ActivityIntentResolver(); 429 430 // All available receivers, for your resolving pleasure. 431 final ActivityIntentResolver mReceivers = 432 new ActivityIntentResolver(); 433 434 // All available services, for your resolving pleasure. 435 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 436 437 // All available providers, for your resolving pleasure. 438 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 439 440 // Mapping from provider base names (first directory in content URI codePath) 441 // to the provider information. 442 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 443 new ArrayMap<String, PackageParser.Provider>(); 444 445 // Mapping from instrumentation class names to info about them. 446 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 447 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 448 449 // Mapping from permission names to info about them. 450 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 451 new ArrayMap<String, PackageParser.PermissionGroup>(); 452 453 // Packages whose data we have transfered into another package, thus 454 // should no longer exist. 455 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 456 457 // Broadcast actions that are only available to the system. 458 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 459 460 /** List of packages waiting for verification. */ 461 final SparseArray<PackageVerificationState> mPendingVerification 462 = new SparseArray<PackageVerificationState>(); 463 464 /** Set of packages associated with each app op permission. */ 465 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 466 467 final PackageInstallerService mInstallerService; 468 469 ArraySet<PackageParser.Package> mDeferredDexOpt = null; 470 471 // Cache of users who need badging. 472 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 473 474 /** Token for keys in mPendingVerification. */ 475 private int mPendingVerificationToken = 0; 476 477 volatile boolean mSystemReady; 478 volatile boolean mSafeMode; 479 volatile boolean mHasSystemUidErrors; 480 481 ApplicationInfo mAndroidApplication; 482 final ActivityInfo mResolveActivity = new ActivityInfo(); 483 final ResolveInfo mResolveInfo = new ResolveInfo(); 484 ComponentName mResolveComponentName; 485 PackageParser.Package mPlatformPackage; 486 ComponentName mCustomResolverComponentName; 487 488 boolean mResolverReplaced = false; 489 490 // Set of pending broadcasts for aggregating enable/disable of components. 491 static class PendingPackageBroadcasts { 492 // for each user id, a map of <package name -> components within that package> 493 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 494 495 public PendingPackageBroadcasts() { 496 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 497 } 498 499 public ArrayList<String> get(int userId, String packageName) { 500 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 501 return packages.get(packageName); 502 } 503 504 public void put(int userId, String packageName, ArrayList<String> components) { 505 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 506 packages.put(packageName, components); 507 } 508 509 public void remove(int userId, String packageName) { 510 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 511 if (packages != null) { 512 packages.remove(packageName); 513 } 514 } 515 516 public void remove(int userId) { 517 mUidMap.remove(userId); 518 } 519 520 public int userIdCount() { 521 return mUidMap.size(); 522 } 523 524 public int userIdAt(int n) { 525 return mUidMap.keyAt(n); 526 } 527 528 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 529 return mUidMap.get(userId); 530 } 531 532 public int size() { 533 // total number of pending broadcast entries across all userIds 534 int num = 0; 535 for (int i = 0; i< mUidMap.size(); i++) { 536 num += mUidMap.valueAt(i).size(); 537 } 538 return num; 539 } 540 541 public void clear() { 542 mUidMap.clear(); 543 } 544 545 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 546 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 547 if (map == null) { 548 map = new ArrayMap<String, ArrayList<String>>(); 549 mUidMap.put(userId, map); 550 } 551 return map; 552 } 553 } 554 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 555 556 // Service Connection to remote media container service to copy 557 // package uri's from external media onto secure containers 558 // or internal storage. 559 private IMediaContainerService mContainerService = null; 560 561 static final int SEND_PENDING_BROADCAST = 1; 562 static final int MCS_BOUND = 3; 563 static final int END_COPY = 4; 564 static final int INIT_COPY = 5; 565 static final int MCS_UNBIND = 6; 566 static final int START_CLEANING_PACKAGE = 7; 567 static final int FIND_INSTALL_LOC = 8; 568 static final int POST_INSTALL = 9; 569 static final int MCS_RECONNECT = 10; 570 static final int MCS_GIVE_UP = 11; 571 static final int UPDATED_MEDIA_STATUS = 12; 572 static final int WRITE_SETTINGS = 13; 573 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 574 static final int PACKAGE_VERIFIED = 15; 575 static final int CHECK_PENDING_VERIFICATION = 16; 576 577 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 578 579 // Delay time in millisecs 580 static final int BROADCAST_DELAY = 10 * 1000; 581 582 static UserManagerService sUserManager; 583 584 // Stores a list of users whose package restrictions file needs to be updated 585 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 586 587 final private DefaultContainerConnection mDefContainerConn = 588 new DefaultContainerConnection(); 589 class DefaultContainerConnection implements ServiceConnection { 590 public void onServiceConnected(ComponentName name, IBinder service) { 591 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 592 IMediaContainerService imcs = 593 IMediaContainerService.Stub.asInterface(service); 594 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 595 } 596 597 public void onServiceDisconnected(ComponentName name) { 598 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 599 } 600 }; 601 602 // Recordkeeping of restore-after-install operations that are currently in flight 603 // between the Package Manager and the Backup Manager 604 class PostInstallData { 605 public InstallArgs args; 606 public PackageInstalledInfo res; 607 608 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 609 args = _a; 610 res = _r; 611 } 612 }; 613 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 614 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 615 616 private final String mRequiredVerifierPackage; 617 618 private final PackageUsage mPackageUsage = new PackageUsage(); 619 620 private class PackageUsage { 621 private static final int WRITE_INTERVAL 622 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 623 624 private final Object mFileLock = new Object(); 625 private final AtomicLong mLastWritten = new AtomicLong(0); 626 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 627 628 private boolean mIsHistoricalPackageUsageAvailable = true; 629 630 boolean isHistoricalPackageUsageAvailable() { 631 return mIsHistoricalPackageUsageAvailable; 632 } 633 634 void write(boolean force) { 635 if (force) { 636 writeInternal(); 637 return; 638 } 639 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 640 && !DEBUG_DEXOPT) { 641 return; 642 } 643 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 644 new Thread("PackageUsage_DiskWriter") { 645 @Override 646 public void run() { 647 try { 648 writeInternal(); 649 } finally { 650 mBackgroundWriteRunning.set(false); 651 } 652 } 653 }.start(); 654 } 655 } 656 657 private void writeInternal() { 658 synchronized (mPackages) { 659 synchronized (mFileLock) { 660 AtomicFile file = getFile(); 661 FileOutputStream f = null; 662 try { 663 f = file.startWrite(); 664 BufferedOutputStream out = new BufferedOutputStream(f); 665 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 666 StringBuilder sb = new StringBuilder(); 667 for (PackageParser.Package pkg : mPackages.values()) { 668 if (pkg.mLastPackageUsageTimeInMills == 0) { 669 continue; 670 } 671 sb.setLength(0); 672 sb.append(pkg.packageName); 673 sb.append(' '); 674 sb.append((long)pkg.mLastPackageUsageTimeInMills); 675 sb.append('\n'); 676 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 677 } 678 out.flush(); 679 file.finishWrite(f); 680 } catch (IOException e) { 681 if (f != null) { 682 file.failWrite(f); 683 } 684 Log.e(TAG, "Failed to write package usage times", e); 685 } 686 } 687 } 688 mLastWritten.set(SystemClock.elapsedRealtime()); 689 } 690 691 void readLP() { 692 synchronized (mFileLock) { 693 AtomicFile file = getFile(); 694 BufferedInputStream in = null; 695 try { 696 in = new BufferedInputStream(file.openRead()); 697 StringBuffer sb = new StringBuffer(); 698 while (true) { 699 String packageName = readToken(in, sb, ' '); 700 if (packageName == null) { 701 break; 702 } 703 String timeInMillisString = readToken(in, sb, '\n'); 704 if (timeInMillisString == null) { 705 throw new IOException("Failed to find last usage time for package " 706 + packageName); 707 } 708 PackageParser.Package pkg = mPackages.get(packageName); 709 if (pkg == null) { 710 continue; 711 } 712 long timeInMillis; 713 try { 714 timeInMillis = Long.parseLong(timeInMillisString.toString()); 715 } catch (NumberFormatException e) { 716 throw new IOException("Failed to parse " + timeInMillisString 717 + " as a long.", e); 718 } 719 pkg.mLastPackageUsageTimeInMills = timeInMillis; 720 } 721 } catch (FileNotFoundException expected) { 722 mIsHistoricalPackageUsageAvailable = false; 723 } catch (IOException e) { 724 Log.w(TAG, "Failed to read package usage times", e); 725 } finally { 726 IoUtils.closeQuietly(in); 727 } 728 } 729 mLastWritten.set(SystemClock.elapsedRealtime()); 730 } 731 732 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 733 throws IOException { 734 sb.setLength(0); 735 while (true) { 736 int ch = in.read(); 737 if (ch == -1) { 738 if (sb.length() == 0) { 739 return null; 740 } 741 throw new IOException("Unexpected EOF"); 742 } 743 if (ch == endOfToken) { 744 return sb.toString(); 745 } 746 sb.append((char)ch); 747 } 748 } 749 750 private AtomicFile getFile() { 751 File dataDir = Environment.getDataDirectory(); 752 File systemDir = new File(dataDir, "system"); 753 File fname = new File(systemDir, "package-usage.list"); 754 return new AtomicFile(fname); 755 } 756 } 757 758 class PackageHandler extends Handler { 759 private boolean mBound = false; 760 final ArrayList<HandlerParams> mPendingInstalls = 761 new ArrayList<HandlerParams>(); 762 763 private boolean connectToService() { 764 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 765 " DefaultContainerService"); 766 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 767 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 768 if (mContext.bindServiceAsUser(service, mDefContainerConn, 769 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 770 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 771 mBound = true; 772 return true; 773 } 774 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 775 return false; 776 } 777 778 private void disconnectService() { 779 mContainerService = null; 780 mBound = false; 781 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 782 mContext.unbindService(mDefContainerConn); 783 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 784 } 785 786 PackageHandler(Looper looper) { 787 super(looper); 788 } 789 790 public void handleMessage(Message msg) { 791 try { 792 doHandleMessage(msg); 793 } finally { 794 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 795 } 796 } 797 798 void doHandleMessage(Message msg) { 799 switch (msg.what) { 800 case INIT_COPY: { 801 HandlerParams params = (HandlerParams) msg.obj; 802 int idx = mPendingInstalls.size(); 803 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 804 // If a bind was already initiated we dont really 805 // need to do anything. The pending install 806 // will be processed later on. 807 if (!mBound) { 808 // If this is the only one pending we might 809 // have to bind to the service again. 810 if (!connectToService()) { 811 Slog.e(TAG, "Failed to bind to media container service"); 812 params.serviceError(); 813 return; 814 } else { 815 // Once we bind to the service, the first 816 // pending request will be processed. 817 mPendingInstalls.add(idx, params); 818 } 819 } else { 820 mPendingInstalls.add(idx, params); 821 // Already bound to the service. Just make 822 // sure we trigger off processing the first request. 823 if (idx == 0) { 824 mHandler.sendEmptyMessage(MCS_BOUND); 825 } 826 } 827 break; 828 } 829 case MCS_BOUND: { 830 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 831 if (msg.obj != null) { 832 mContainerService = (IMediaContainerService) msg.obj; 833 } 834 if (mContainerService == null) { 835 // Something seriously wrong. Bail out 836 Slog.e(TAG, "Cannot bind to media container service"); 837 for (HandlerParams params : mPendingInstalls) { 838 // Indicate service bind error 839 params.serviceError(); 840 } 841 mPendingInstalls.clear(); 842 } else if (mPendingInstalls.size() > 0) { 843 HandlerParams params = mPendingInstalls.get(0); 844 if (params != null) { 845 if (params.startCopy()) { 846 // We are done... look for more work or to 847 // go idle. 848 if (DEBUG_SD_INSTALL) Log.i(TAG, 849 "Checking for more work or unbind..."); 850 // Delete pending install 851 if (mPendingInstalls.size() > 0) { 852 mPendingInstalls.remove(0); 853 } 854 if (mPendingInstalls.size() == 0) { 855 if (mBound) { 856 if (DEBUG_SD_INSTALL) Log.i(TAG, 857 "Posting delayed MCS_UNBIND"); 858 removeMessages(MCS_UNBIND); 859 Message ubmsg = obtainMessage(MCS_UNBIND); 860 // Unbind after a little delay, to avoid 861 // continual thrashing. 862 sendMessageDelayed(ubmsg, 10000); 863 } 864 } else { 865 // There are more pending requests in queue. 866 // Just post MCS_BOUND message to trigger processing 867 // of next pending install. 868 if (DEBUG_SD_INSTALL) Log.i(TAG, 869 "Posting MCS_BOUND for next work"); 870 mHandler.sendEmptyMessage(MCS_BOUND); 871 } 872 } 873 } 874 } else { 875 // Should never happen ideally. 876 Slog.w(TAG, "Empty queue"); 877 } 878 break; 879 } 880 case MCS_RECONNECT: { 881 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 882 if (mPendingInstalls.size() > 0) { 883 if (mBound) { 884 disconnectService(); 885 } 886 if (!connectToService()) { 887 Slog.e(TAG, "Failed to bind to media container service"); 888 for (HandlerParams params : mPendingInstalls) { 889 // Indicate service bind error 890 params.serviceError(); 891 } 892 mPendingInstalls.clear(); 893 } 894 } 895 break; 896 } 897 case MCS_UNBIND: { 898 // If there is no actual work left, then time to unbind. 899 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 900 901 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 902 if (mBound) { 903 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 904 905 disconnectService(); 906 } 907 } else if (mPendingInstalls.size() > 0) { 908 // There are more pending requests in queue. 909 // Just post MCS_BOUND message to trigger processing 910 // of next pending install. 911 mHandler.sendEmptyMessage(MCS_BOUND); 912 } 913 914 break; 915 } 916 case MCS_GIVE_UP: { 917 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 918 mPendingInstalls.remove(0); 919 break; 920 } 921 case SEND_PENDING_BROADCAST: { 922 String packages[]; 923 ArrayList<String> components[]; 924 int size = 0; 925 int uids[]; 926 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 927 synchronized (mPackages) { 928 if (mPendingBroadcasts == null) { 929 return; 930 } 931 size = mPendingBroadcasts.size(); 932 if (size <= 0) { 933 // Nothing to be done. Just return 934 return; 935 } 936 packages = new String[size]; 937 components = new ArrayList[size]; 938 uids = new int[size]; 939 int i = 0; // filling out the above arrays 940 941 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 942 int packageUserId = mPendingBroadcasts.userIdAt(n); 943 Iterator<Map.Entry<String, ArrayList<String>>> it 944 = mPendingBroadcasts.packagesForUserId(packageUserId) 945 .entrySet().iterator(); 946 while (it.hasNext() && i < size) { 947 Map.Entry<String, ArrayList<String>> ent = it.next(); 948 packages[i] = ent.getKey(); 949 components[i] = ent.getValue(); 950 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 951 uids[i] = (ps != null) 952 ? UserHandle.getUid(packageUserId, ps.appId) 953 : -1; 954 i++; 955 } 956 } 957 size = i; 958 mPendingBroadcasts.clear(); 959 } 960 // Send broadcasts 961 for (int i = 0; i < size; i++) { 962 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 break; 966 } 967 case START_CLEANING_PACKAGE: { 968 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 969 final String packageName = (String)msg.obj; 970 final int userId = msg.arg1; 971 final boolean andCode = msg.arg2 != 0; 972 synchronized (mPackages) { 973 if (userId == UserHandle.USER_ALL) { 974 int[] users = sUserManager.getUserIds(); 975 for (int user : users) { 976 mSettings.addPackageToCleanLPw( 977 new PackageCleanItem(user, packageName, andCode)); 978 } 979 } else { 980 mSettings.addPackageToCleanLPw( 981 new PackageCleanItem(userId, packageName, andCode)); 982 } 983 } 984 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 985 startCleaningPackages(); 986 } break; 987 case POST_INSTALL: { 988 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 989 PostInstallData data = mRunningInstalls.get(msg.arg1); 990 mRunningInstalls.delete(msg.arg1); 991 boolean deleteOld = false; 992 993 if (data != null) { 994 InstallArgs args = data.args; 995 PackageInstalledInfo res = data.res; 996 997 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 998 res.removedInfo.sendBroadcast(false, true, false); 999 Bundle extras = new Bundle(1); 1000 extras.putInt(Intent.EXTRA_UID, res.uid); 1001 // Determine the set of users who are adding this 1002 // package for the first time vs. those who are seeing 1003 // an update. 1004 int[] firstUsers; 1005 int[] updateUsers = new int[0]; 1006 if (res.origUsers == null || res.origUsers.length == 0) { 1007 firstUsers = res.newUsers; 1008 } else { 1009 firstUsers = new int[0]; 1010 for (int i=0; i<res.newUsers.length; i++) { 1011 int user = res.newUsers[i]; 1012 boolean isNew = true; 1013 for (int j=0; j<res.origUsers.length; j++) { 1014 if (res.origUsers[j] == user) { 1015 isNew = false; 1016 break; 1017 } 1018 } 1019 if (isNew) { 1020 int[] newFirst = new int[firstUsers.length+1]; 1021 System.arraycopy(firstUsers, 0, newFirst, 0, 1022 firstUsers.length); 1023 newFirst[firstUsers.length] = user; 1024 firstUsers = newFirst; 1025 } else { 1026 int[] newUpdate = new int[updateUsers.length+1]; 1027 System.arraycopy(updateUsers, 0, newUpdate, 0, 1028 updateUsers.length); 1029 newUpdate[updateUsers.length] = user; 1030 updateUsers = newUpdate; 1031 } 1032 } 1033 } 1034 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1035 res.pkg.applicationInfo.packageName, 1036 extras, null, null, firstUsers); 1037 final boolean update = res.removedInfo.removedPackage != null; 1038 if (update) { 1039 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1040 } 1041 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1042 res.pkg.applicationInfo.packageName, 1043 extras, null, null, updateUsers); 1044 if (update) { 1045 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1046 res.pkg.applicationInfo.packageName, 1047 extras, null, null, updateUsers); 1048 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1049 null, null, 1050 res.pkg.applicationInfo.packageName, null, updateUsers); 1051 1052 // treat asec-hosted packages like removable media on upgrade 1053 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1054 if (DEBUG_INSTALL) { 1055 Slog.i(TAG, "upgrading pkg " + res.pkg 1056 + " is ASEC-hosted -> AVAILABLE"); 1057 } 1058 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1059 ArrayList<String> pkgList = new ArrayList<String>(1); 1060 pkgList.add(res.pkg.applicationInfo.packageName); 1061 sendResourcesChangedBroadcast(true, true, 1062 pkgList,uidArray, null); 1063 } 1064 } 1065 if (res.removedInfo.args != null) { 1066 // Remove the replaced package's older resources safely now 1067 deleteOld = true; 1068 } 1069 1070 // Log current value of "unknown sources" setting 1071 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1072 getUnknownSourcesSettings()); 1073 } 1074 // Force a gc to clear up things 1075 Runtime.getRuntime().gc(); 1076 // We delete after a gc for applications on sdcard. 1077 if (deleteOld) { 1078 synchronized (mInstallLock) { 1079 res.removedInfo.args.doPostDeleteLI(true); 1080 } 1081 } 1082 if (args.observer != null) { 1083 try { 1084 Bundle extras = extrasForInstallResult(res); 1085 args.observer.onPackageInstalled(res.name, res.returnCode, 1086 res.returnMsg, extras); 1087 } catch (RemoteException e) { 1088 Slog.i(TAG, "Observer no longer exists."); 1089 } 1090 } 1091 } else { 1092 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1093 } 1094 } break; 1095 case UPDATED_MEDIA_STATUS: { 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1097 boolean reportStatus = msg.arg1 == 1; 1098 boolean doGc = msg.arg2 == 1; 1099 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1100 if (doGc) { 1101 // Force a gc to clear up stale containers. 1102 Runtime.getRuntime().gc(); 1103 } 1104 if (msg.obj != null) { 1105 @SuppressWarnings("unchecked") 1106 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1107 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1108 // Unload containers 1109 unloadAllContainers(args); 1110 } 1111 if (reportStatus) { 1112 try { 1113 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1114 PackageHelper.getMountService().finishMediaUpdate(); 1115 } catch (RemoteException e) { 1116 Log.e(TAG, "MountService not running?"); 1117 } 1118 } 1119 } break; 1120 case WRITE_SETTINGS: { 1121 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1122 synchronized (mPackages) { 1123 removeMessages(WRITE_SETTINGS); 1124 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1125 mSettings.writeLPr(); 1126 mDirtyUsers.clear(); 1127 } 1128 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1129 } break; 1130 case WRITE_PACKAGE_RESTRICTIONS: { 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1132 synchronized (mPackages) { 1133 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1134 for (int userId : mDirtyUsers) { 1135 mSettings.writePackageRestrictionsLPr(userId); 1136 } 1137 mDirtyUsers.clear(); 1138 } 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1140 } break; 1141 case CHECK_PENDING_VERIFICATION: { 1142 final int verificationId = msg.arg1; 1143 final PackageVerificationState state = mPendingVerification.get(verificationId); 1144 1145 if ((state != null) && !state.timeoutExtended()) { 1146 final InstallArgs args = state.getInstallArgs(); 1147 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1148 1149 Slog.i(TAG, "Verification timed out for " + originUri); 1150 mPendingVerification.remove(verificationId); 1151 1152 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1153 1154 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1155 Slog.i(TAG, "Continuing with installation of " + originUri); 1156 state.setVerifierResponse(Binder.getCallingUid(), 1157 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1158 broadcastPackageVerified(verificationId, originUri, 1159 PackageManager.VERIFICATION_ALLOW, 1160 state.getInstallArgs().getUser()); 1161 try { 1162 ret = args.copyApk(mContainerService, true); 1163 } catch (RemoteException e) { 1164 Slog.e(TAG, "Could not contact the ContainerService"); 1165 } 1166 } else { 1167 broadcastPackageVerified(verificationId, originUri, 1168 PackageManager.VERIFICATION_REJECT, 1169 state.getInstallArgs().getUser()); 1170 } 1171 1172 processPendingInstall(args, ret); 1173 mHandler.sendEmptyMessage(MCS_UNBIND); 1174 } 1175 break; 1176 } 1177 case PACKAGE_VERIFIED: { 1178 final int verificationId = msg.arg1; 1179 1180 final PackageVerificationState state = mPendingVerification.get(verificationId); 1181 if (state == null) { 1182 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1183 break; 1184 } 1185 1186 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1187 1188 state.setVerifierResponse(response.callerUid, response.code); 1189 1190 if (state.isVerificationComplete()) { 1191 mPendingVerification.remove(verificationId); 1192 1193 final InstallArgs args = state.getInstallArgs(); 1194 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1195 1196 int ret; 1197 if (state.isInstallAllowed()) { 1198 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1199 broadcastPackageVerified(verificationId, originUri, 1200 response.code, state.getInstallArgs().getUser()); 1201 try { 1202 ret = args.copyApk(mContainerService, true); 1203 } catch (RemoteException e) { 1204 Slog.e(TAG, "Could not contact the ContainerService"); 1205 } 1206 } else { 1207 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1208 } 1209 1210 processPendingInstall(args, ret); 1211 1212 mHandler.sendEmptyMessage(MCS_UNBIND); 1213 } 1214 1215 break; 1216 } 1217 } 1218 } 1219 } 1220 1221 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1222 Bundle extras = null; 1223 switch (res.returnCode) { 1224 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1225 extras = new Bundle(); 1226 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1227 res.origPermission); 1228 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1229 res.origPackage); 1230 break; 1231 } 1232 } 1233 return extras; 1234 } 1235 1236 void scheduleWriteSettingsLocked() { 1237 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1238 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1239 } 1240 } 1241 1242 void scheduleWritePackageRestrictionsLocked(int userId) { 1243 if (!sUserManager.exists(userId)) return; 1244 mDirtyUsers.add(userId); 1245 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1246 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1247 } 1248 } 1249 1250 public static final PackageManagerService main(Context context, Installer installer, 1251 boolean factoryTest, boolean onlyCore) { 1252 PackageManagerService m = new PackageManagerService(context, installer, 1253 factoryTest, onlyCore); 1254 ServiceManager.addService("package", m); 1255 return m; 1256 } 1257 1258 static String[] splitString(String str, char sep) { 1259 int count = 1; 1260 int i = 0; 1261 while ((i=str.indexOf(sep, i)) >= 0) { 1262 count++; 1263 i++; 1264 } 1265 1266 String[] res = new String[count]; 1267 i=0; 1268 count = 0; 1269 int lastI=0; 1270 while ((i=str.indexOf(sep, i)) >= 0) { 1271 res[count] = str.substring(lastI, i); 1272 count++; 1273 i++; 1274 lastI = i; 1275 } 1276 res[count] = str.substring(lastI, str.length()); 1277 return res; 1278 } 1279 1280 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1281 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1282 Context.DISPLAY_SERVICE); 1283 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1284 } 1285 1286 public PackageManagerService(Context context, Installer installer, 1287 boolean factoryTest, boolean onlyCore) { 1288 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1289 SystemClock.uptimeMillis()); 1290 1291 if (mSdkVersion <= 0) { 1292 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1293 } 1294 1295 mContext = context; 1296 mFactoryTest = factoryTest; 1297 mOnlyCore = onlyCore; 1298 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1299 mMetrics = new DisplayMetrics(); 1300 mSettings = new Settings(context); 1301 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1310 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1311 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 1314 // TODO: add a property to control this? 1315 long dexOptLRUThresholdInMinutes; 1316 if (mLazyDexOpt) { 1317 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1318 } else { 1319 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1320 } 1321 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1322 1323 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1324 if (separateProcesses != null && separateProcesses.length() > 0) { 1325 if ("*".equals(separateProcesses)) { 1326 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1327 mSeparateProcesses = null; 1328 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1329 } else { 1330 mDefParseFlags = 0; 1331 mSeparateProcesses = separateProcesses.split(","); 1332 Slog.w(TAG, "Running with debug.separate_processes: " 1333 + separateProcesses); 1334 } 1335 } else { 1336 mDefParseFlags = 0; 1337 mSeparateProcesses = null; 1338 } 1339 1340 mInstaller = installer; 1341 1342 getDefaultDisplayMetrics(context, mMetrics); 1343 1344 SystemConfig systemConfig = SystemConfig.getInstance(); 1345 mGlobalGids = systemConfig.getGlobalGids(); 1346 mSystemPermissions = systemConfig.getSystemPermissions(); 1347 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1348 1349 synchronized (mInstallLock) { 1350 // writer 1351 synchronized (mPackages) { 1352 mHandlerThread = new ServiceThread(TAG, 1353 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1354 mHandlerThread.start(); 1355 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1356 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1357 1358 File dataDir = Environment.getDataDirectory(); 1359 mAppDataDir = new File(dataDir, "data"); 1360 mAppInstallDir = new File(dataDir, "app"); 1361 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1362 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1363 mUserAppDataDir = new File(dataDir, "user"); 1364 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1365 1366 sUserManager = new UserManagerService(context, this, 1367 mInstallLock, mPackages); 1368 1369 // Propagate permission configuration in to package manager. 1370 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1371 = systemConfig.getPermissions(); 1372 for (int i=0; i<permConfig.size(); i++) { 1373 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1374 BasePermission bp = mSettings.mPermissions.get(perm.name); 1375 if (bp == null) { 1376 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1377 mSettings.mPermissions.put(perm.name, bp); 1378 } 1379 if (perm.gids != null) { 1380 bp.gids = appendInts(bp.gids, perm.gids); 1381 } 1382 } 1383 1384 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1385 for (int i=0; i<libConfig.size(); i++) { 1386 mSharedLibraries.put(libConfig.keyAt(i), 1387 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1388 } 1389 1390 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1391 1392 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1393 mSdkVersion, mOnlyCore); 1394 1395 String customResolverActivity = Resources.getSystem().getString( 1396 R.string.config_customResolverActivity); 1397 if (TextUtils.isEmpty(customResolverActivity)) { 1398 customResolverActivity = null; 1399 } else { 1400 mCustomResolverComponentName = ComponentName.unflattenFromString( 1401 customResolverActivity); 1402 } 1403 1404 long startTime = SystemClock.uptimeMillis(); 1405 1406 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1407 startTime); 1408 1409 // Set flag to monitor and not change apk file paths when 1410 // scanning install directories. 1411 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1412 1413 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1414 1415 /** 1416 * Add everything in the in the boot class path to the 1417 * list of process files because dexopt will have been run 1418 * if necessary during zygote startup. 1419 */ 1420 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1421 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1422 1423 if (bootClassPath != null) { 1424 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1425 for (String element : bootClassPathElements) { 1426 alreadyDexOpted.add(element); 1427 } 1428 } else { 1429 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1430 } 1431 1432 if (systemServerClassPath != null) { 1433 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1434 for (String element : systemServerClassPathElements) { 1435 alreadyDexOpted.add(element); 1436 } 1437 } else { 1438 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1439 } 1440 1441 final List<String> allInstructionSets = getAllInstructionSets(); 1442 final String[] dexCodeInstructionSets = 1443 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1444 1445 /** 1446 * Ensure all external libraries have had dexopt run on them. 1447 */ 1448 if (mSharedLibraries.size() > 0) { 1449 // NOTE: For now, we're compiling these system "shared libraries" 1450 // (and framework jars) into all available architectures. It's possible 1451 // to compile them only when we come across an app that uses them (there's 1452 // already logic for that in scanPackageLI) but that adds some complexity. 1453 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1454 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1455 final String lib = libEntry.path; 1456 if (lib == null) { 1457 continue; 1458 } 1459 1460 try { 1461 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1462 dexCodeInstructionSet, 1463 false); 1464 if (dexoptRequired != DexFile.UP_TO_DATE) { 1465 alreadyDexOpted.add(lib); 1466 1467 // The list of "shared libraries" we have at this point is 1468 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1469 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1470 } else { 1471 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1472 } 1473 } 1474 } catch (FileNotFoundException e) { 1475 Slog.w(TAG, "Library not found: " + lib); 1476 } catch (IOException e) { 1477 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1478 + e.getMessage()); 1479 } 1480 } 1481 } 1482 } 1483 1484 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1485 1486 // Gross hack for now: we know this file doesn't contain any 1487 // code, so don't dexopt it to avoid the resulting log spew. 1488 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1489 1490 // Gross hack for now: we know this file is only part of 1491 // the boot class path for art, so don't dexopt it to 1492 // avoid the resulting log spew. 1493 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1494 1495 /** 1496 * And there are a number of commands implemented in Java, which 1497 * we currently need to do the dexopt on so that they can be 1498 * run from a non-root shell. 1499 */ 1500 String[] frameworkFiles = frameworkDir.list(); 1501 if (frameworkFiles != null) { 1502 // TODO: We could compile these only for the most preferred ABI. We should 1503 // first double check that the dex files for these commands are not referenced 1504 // by other system apps. 1505 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1506 for (int i=0; i<frameworkFiles.length; i++) { 1507 File libPath = new File(frameworkDir, frameworkFiles[i]); 1508 String path = libPath.getPath(); 1509 // Skip the file if we already did it. 1510 if (alreadyDexOpted.contains(path)) { 1511 continue; 1512 } 1513 // Skip the file if it is not a type we want to dexopt. 1514 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1515 continue; 1516 } 1517 try { 1518 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1519 dexCodeInstructionSet, 1520 false); 1521 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1522 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1523 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1524 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1525 } 1526 } catch (FileNotFoundException e) { 1527 Slog.w(TAG, "Jar not found: " + path); 1528 } catch (IOException e) { 1529 Slog.w(TAG, "Exception reading jar: " + path, e); 1530 } 1531 } 1532 } 1533 } 1534 1535 // Collect vendor overlay packages. 1536 // (Do this before scanning any apps.) 1537 // For security and version matching reason, only consider 1538 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1539 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1540 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1541 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1542 1543 // Find base frameworks (resource packages without code). 1544 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1545 | PackageParser.PARSE_IS_SYSTEM_DIR 1546 | PackageParser.PARSE_IS_PRIVILEGED, 1547 scanFlags | SCAN_NO_DEX, 0); 1548 1549 // Collected privileged system packages. 1550 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1551 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1552 | PackageParser.PARSE_IS_SYSTEM_DIR 1553 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1554 1555 // Collect ordinary system packages. 1556 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1557 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1558 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1559 1560 // Collect all vendor packages. 1561 File vendorAppDir = new File("/vendor/app"); 1562 try { 1563 vendorAppDir = vendorAppDir.getCanonicalFile(); 1564 } catch (IOException e) { 1565 // failed to look up canonical path, continue with original one 1566 } 1567 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1568 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1569 1570 // Collect all OEM packages. 1571 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1572 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1573 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1574 1575 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1576 mInstaller.moveFiles(); 1577 1578 // Prune any system packages that no longer exist. 1579 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1580 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1581 if (!mOnlyCore) { 1582 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1583 while (psit.hasNext()) { 1584 PackageSetting ps = psit.next(); 1585 1586 /* 1587 * If this is not a system app, it can't be a 1588 * disable system app. 1589 */ 1590 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1591 continue; 1592 } 1593 1594 /* 1595 * If the package is scanned, it's not erased. 1596 */ 1597 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1598 if (scannedPkg != null) { 1599 /* 1600 * If the system app is both scanned and in the 1601 * disabled packages list, then it must have been 1602 * added via OTA. Remove it from the currently 1603 * scanned package so the previously user-installed 1604 * application can be scanned. 1605 */ 1606 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1607 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1608 + ps.name + "; removing system app. Last known codePath=" 1609 + ps.codePathString + ", installStatus=" + ps.installStatus 1610 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1611 + scannedPkg.mVersionCode); 1612 removePackageLI(ps, true); 1613 expectingBetter.put(ps.name, ps.codePath); 1614 } 1615 1616 continue; 1617 } 1618 1619 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1620 psit.remove(); 1621 logCriticalInfo(Log.WARN, "System package " + ps.name 1622 + " no longer exists; wiping its data"); 1623 removeDataDirsLI(ps.name); 1624 } else { 1625 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1626 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1627 possiblyDeletedUpdatedSystemApps.add(ps.name); 1628 } 1629 } 1630 } 1631 } 1632 1633 //look for any incomplete package installations 1634 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1635 //clean up list 1636 for(int i = 0; i < deletePkgsList.size(); i++) { 1637 //clean up here 1638 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1639 } 1640 //delete tmp files 1641 deleteTempPackageFiles(); 1642 1643 // Remove any shared userIDs that have no associated packages 1644 mSettings.pruneSharedUsersLPw(); 1645 1646 if (!mOnlyCore) { 1647 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1648 SystemClock.uptimeMillis()); 1649 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1650 1651 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1652 scanFlags, 0); 1653 1654 /** 1655 * Remove disable package settings for any updated system 1656 * apps that were removed via an OTA. If they're not a 1657 * previously-updated app, remove them completely. 1658 * Otherwise, just revoke their system-level permissions. 1659 */ 1660 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1661 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1662 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1663 1664 String msg; 1665 if (deletedPkg == null) { 1666 msg = "Updated system package " + deletedAppName 1667 + " no longer exists; wiping its data"; 1668 removeDataDirsLI(deletedAppName); 1669 } else { 1670 msg = "Updated system app + " + deletedAppName 1671 + " no longer present; removing system privileges for " 1672 + deletedAppName; 1673 1674 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1675 1676 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1677 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1678 } 1679 logCriticalInfo(Log.WARN, msg); 1680 } 1681 1682 /** 1683 * Make sure all system apps that we expected to appear on 1684 * the userdata partition actually showed up. If they never 1685 * appeared, crawl back and revive the system version. 1686 */ 1687 for (int i = 0; i < expectingBetter.size(); i++) { 1688 final String packageName = expectingBetter.keyAt(i); 1689 if (!mPackages.containsKey(packageName)) { 1690 final File scanFile = expectingBetter.valueAt(i); 1691 1692 logCriticalInfo(Log.WARN, "Expected better " + packageName 1693 + " but never showed up; reverting to system"); 1694 1695 final int reparseFlags; 1696 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1697 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1698 | PackageParser.PARSE_IS_SYSTEM_DIR 1699 | PackageParser.PARSE_IS_PRIVILEGED; 1700 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1701 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1702 | PackageParser.PARSE_IS_SYSTEM_DIR; 1703 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1704 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1705 | PackageParser.PARSE_IS_SYSTEM_DIR; 1706 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1707 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1708 | PackageParser.PARSE_IS_SYSTEM_DIR; 1709 } else { 1710 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1711 continue; 1712 } 1713 1714 mSettings.enableSystemPackageLPw(packageName); 1715 1716 try { 1717 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1718 } catch (PackageManagerException e) { 1719 Slog.e(TAG, "Failed to parse original system package: " 1720 + e.getMessage()); 1721 } 1722 } 1723 } 1724 } 1725 1726 // Now that we know all of the shared libraries, update all clients to have 1727 // the correct library paths. 1728 updateAllSharedLibrariesLPw(); 1729 1730 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1731 // NOTE: We ignore potential failures here during a system scan (like 1732 // the rest of the commands above) because there's precious little we 1733 // can do about it. A settings error is reported, though. 1734 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1735 false /* force dexopt */, false /* defer dexopt */); 1736 } 1737 1738 // Now that we know all the packages we are keeping, 1739 // read and update their last usage times. 1740 mPackageUsage.readLP(); 1741 1742 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1743 SystemClock.uptimeMillis()); 1744 Slog.i(TAG, "Time to scan packages: " 1745 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1746 + " seconds"); 1747 1748 // If the platform SDK has changed since the last time we booted, 1749 // we need to re-grant app permission to catch any new ones that 1750 // appear. This is really a hack, and means that apps can in some 1751 // cases get permissions that the user didn't initially explicitly 1752 // allow... it would be nice to have some better way to handle 1753 // this situation. 1754 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1755 != mSdkVersion; 1756 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1757 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1758 + "; regranting permissions for internal storage"); 1759 mSettings.mInternalSdkPlatform = mSdkVersion; 1760 1761 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1762 | (regrantPermissions 1763 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1764 : 0)); 1765 1766 // If this is the first boot, and it is a normal boot, then 1767 // we need to initialize the default preferred apps. 1768 if (!mRestoredSettings && !onlyCore) { 1769 mSettings.readDefaultPreferredAppsLPw(this, 0); 1770 } 1771 1772 // If this is first boot after an OTA, and a normal boot, then 1773 // we need to clear code cache directories. 1774 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1775 if (mIsUpgrade && !onlyCore) { 1776 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1777 for (String pkgName : mSettings.mPackages.keySet()) { 1778 deleteCodeCacheDirsLI(pkgName); 1779 } 1780 mSettings.mFingerprint = Build.FINGERPRINT; 1781 } 1782 1783 // All the changes are done during package scanning. 1784 mSettings.updateInternalDatabaseVersion(); 1785 1786 // can downgrade to reader 1787 mSettings.writeLPr(); 1788 1789 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1790 SystemClock.uptimeMillis()); 1791 1792 1793 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1794 } // synchronized (mPackages) 1795 } // synchronized (mInstallLock) 1796 1797 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1798 1799 // Now after opening every single application zip, make sure they 1800 // are all flushed. Not really needed, but keeps things nice and 1801 // tidy. 1802 Runtime.getRuntime().gc(); 1803 } 1804 1805 @Override 1806 public boolean isFirstBoot() { 1807 return !mRestoredSettings; 1808 } 1809 1810 @Override 1811 public boolean isOnlyCoreApps() { 1812 return mOnlyCore; 1813 } 1814 1815 @Override 1816 public boolean isUpgrade() { 1817 return mIsUpgrade; 1818 } 1819 1820 private String getRequiredVerifierLPr() { 1821 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1822 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1823 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1824 1825 String requiredVerifier = null; 1826 1827 final int N = receivers.size(); 1828 for (int i = 0; i < N; i++) { 1829 final ResolveInfo info = receivers.get(i); 1830 1831 if (info.activityInfo == null) { 1832 continue; 1833 } 1834 1835 final String packageName = info.activityInfo.packageName; 1836 1837 final PackageSetting ps = mSettings.mPackages.get(packageName); 1838 if (ps == null) { 1839 continue; 1840 } 1841 1842 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1843 if (!gp.grantedPermissions 1844 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1845 continue; 1846 } 1847 1848 if (requiredVerifier != null) { 1849 throw new RuntimeException("There can be only one required verifier"); 1850 } 1851 1852 requiredVerifier = packageName; 1853 } 1854 1855 return requiredVerifier; 1856 } 1857 1858 @Override 1859 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1860 throws RemoteException { 1861 try { 1862 return super.onTransact(code, data, reply, flags); 1863 } catch (RuntimeException e) { 1864 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1865 Slog.wtf(TAG, "Package Manager Crash", e); 1866 } 1867 throw e; 1868 } 1869 } 1870 1871 void cleanupInstallFailedPackage(PackageSetting ps) { 1872 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1873 1874 removeDataDirsLI(ps.name); 1875 if (ps.codePath != null) { 1876 if (ps.codePath.isDirectory()) { 1877 FileUtils.deleteContents(ps.codePath); 1878 } 1879 ps.codePath.delete(); 1880 } 1881 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1882 if (ps.resourcePath.isDirectory()) { 1883 FileUtils.deleteContents(ps.resourcePath); 1884 } 1885 ps.resourcePath.delete(); 1886 } 1887 mSettings.removePackageLPw(ps.name); 1888 } 1889 1890 static int[] appendInts(int[] cur, int[] add) { 1891 if (add == null) return cur; 1892 if (cur == null) return add; 1893 final int N = add.length; 1894 for (int i=0; i<N; i++) { 1895 cur = appendInt(cur, add[i]); 1896 } 1897 return cur; 1898 } 1899 1900 static int[] removeInts(int[] cur, int[] rem) { 1901 if (rem == null) return cur; 1902 if (cur == null) return cur; 1903 final int N = rem.length; 1904 for (int i=0; i<N; i++) { 1905 cur = removeInt(cur, rem[i]); 1906 } 1907 return cur; 1908 } 1909 1910 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1911 if (!sUserManager.exists(userId)) return null; 1912 final PackageSetting ps = (PackageSetting) p.mExtras; 1913 if (ps == null) { 1914 return null; 1915 } 1916 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1917 final PackageUserState state = ps.readUserState(userId); 1918 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1919 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1920 state, userId); 1921 } 1922 1923 @Override 1924 public boolean isPackageAvailable(String packageName, int userId) { 1925 if (!sUserManager.exists(userId)) return false; 1926 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1927 synchronized (mPackages) { 1928 PackageParser.Package p = mPackages.get(packageName); 1929 if (p != null) { 1930 final PackageSetting ps = (PackageSetting) p.mExtras; 1931 if (ps != null) { 1932 final PackageUserState state = ps.readUserState(userId); 1933 if (state != null) { 1934 return PackageParser.isAvailable(state); 1935 } 1936 } 1937 } 1938 } 1939 return false; 1940 } 1941 1942 @Override 1943 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1944 if (!sUserManager.exists(userId)) return null; 1945 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1946 // reader 1947 synchronized (mPackages) { 1948 PackageParser.Package p = mPackages.get(packageName); 1949 if (DEBUG_PACKAGE_INFO) 1950 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1951 if (p != null) { 1952 return generatePackageInfo(p, flags, userId); 1953 } 1954 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1955 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1956 } 1957 } 1958 return null; 1959 } 1960 1961 @Override 1962 public String[] currentToCanonicalPackageNames(String[] names) { 1963 String[] out = new String[names.length]; 1964 // reader 1965 synchronized (mPackages) { 1966 for (int i=names.length-1; i>=0; i--) { 1967 PackageSetting ps = mSettings.mPackages.get(names[i]); 1968 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1969 } 1970 } 1971 return out; 1972 } 1973 1974 @Override 1975 public String[] canonicalToCurrentPackageNames(String[] names) { 1976 String[] out = new String[names.length]; 1977 // reader 1978 synchronized (mPackages) { 1979 for (int i=names.length-1; i>=0; i--) { 1980 String cur = mSettings.mRenamedPackages.get(names[i]); 1981 out[i] = cur != null ? cur : names[i]; 1982 } 1983 } 1984 return out; 1985 } 1986 1987 @Override 1988 public int getPackageUid(String packageName, int userId) { 1989 if (!sUserManager.exists(userId)) return -1; 1990 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1991 // reader 1992 synchronized (mPackages) { 1993 PackageParser.Package p = mPackages.get(packageName); 1994 if(p != null) { 1995 return UserHandle.getUid(userId, p.applicationInfo.uid); 1996 } 1997 PackageSetting ps = mSettings.mPackages.get(packageName); 1998 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1999 return -1; 2000 } 2001 p = ps.pkg; 2002 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2003 } 2004 } 2005 2006 @Override 2007 public int[] getPackageGids(String packageName) { 2008 // reader 2009 synchronized (mPackages) { 2010 PackageParser.Package p = mPackages.get(packageName); 2011 if (DEBUG_PACKAGE_INFO) 2012 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2013 if (p != null) { 2014 final PackageSetting ps = (PackageSetting)p.mExtras; 2015 return ps.getGids(); 2016 } 2017 } 2018 // stupid thing to indicate an error. 2019 return new int[0]; 2020 } 2021 2022 static final PermissionInfo generatePermissionInfo( 2023 BasePermission bp, int flags) { 2024 if (bp.perm != null) { 2025 return PackageParser.generatePermissionInfo(bp.perm, flags); 2026 } 2027 PermissionInfo pi = new PermissionInfo(); 2028 pi.name = bp.name; 2029 pi.packageName = bp.sourcePackage; 2030 pi.nonLocalizedLabel = bp.name; 2031 pi.protectionLevel = bp.protectionLevel; 2032 return pi; 2033 } 2034 2035 @Override 2036 public PermissionInfo getPermissionInfo(String name, int flags) { 2037 // reader 2038 synchronized (mPackages) { 2039 final BasePermission p = mSettings.mPermissions.get(name); 2040 if (p != null) { 2041 return generatePermissionInfo(p, flags); 2042 } 2043 return null; 2044 } 2045 } 2046 2047 @Override 2048 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2049 // reader 2050 synchronized (mPackages) { 2051 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2052 for (BasePermission p : mSettings.mPermissions.values()) { 2053 if (group == null) { 2054 if (p.perm == null || p.perm.info.group == null) { 2055 out.add(generatePermissionInfo(p, flags)); 2056 } 2057 } else { 2058 if (p.perm != null && group.equals(p.perm.info.group)) { 2059 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2060 } 2061 } 2062 } 2063 2064 if (out.size() > 0) { 2065 return out; 2066 } 2067 return mPermissionGroups.containsKey(group) ? out : null; 2068 } 2069 } 2070 2071 @Override 2072 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2073 // reader 2074 synchronized (mPackages) { 2075 return PackageParser.generatePermissionGroupInfo( 2076 mPermissionGroups.get(name), flags); 2077 } 2078 } 2079 2080 @Override 2081 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2082 // reader 2083 synchronized (mPackages) { 2084 final int N = mPermissionGroups.size(); 2085 ArrayList<PermissionGroupInfo> out 2086 = new ArrayList<PermissionGroupInfo>(N); 2087 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2088 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2089 } 2090 return out; 2091 } 2092 } 2093 2094 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2095 int userId) { 2096 if (!sUserManager.exists(userId)) return null; 2097 PackageSetting ps = mSettings.mPackages.get(packageName); 2098 if (ps != null) { 2099 if (ps.pkg == null) { 2100 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2101 flags, userId); 2102 if (pInfo != null) { 2103 return pInfo.applicationInfo; 2104 } 2105 return null; 2106 } 2107 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2108 ps.readUserState(userId), userId); 2109 } 2110 return null; 2111 } 2112 2113 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2114 int userId) { 2115 if (!sUserManager.exists(userId)) return null; 2116 PackageSetting ps = mSettings.mPackages.get(packageName); 2117 if (ps != null) { 2118 PackageParser.Package pkg = ps.pkg; 2119 if (pkg == null) { 2120 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2121 return null; 2122 } 2123 // Only data remains, so we aren't worried about code paths 2124 pkg = new PackageParser.Package(packageName); 2125 pkg.applicationInfo.packageName = packageName; 2126 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2127 pkg.applicationInfo.dataDir = 2128 getDataPathForPackage(packageName, 0).getPath(); 2129 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2130 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2131 } 2132 return generatePackageInfo(pkg, flags, userId); 2133 } 2134 return null; 2135 } 2136 2137 @Override 2138 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2139 if (!sUserManager.exists(userId)) return null; 2140 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2141 // writer 2142 synchronized (mPackages) { 2143 PackageParser.Package p = mPackages.get(packageName); 2144 if (DEBUG_PACKAGE_INFO) Log.v( 2145 TAG, "getApplicationInfo " + packageName 2146 + ": " + p); 2147 if (p != null) { 2148 PackageSetting ps = mSettings.mPackages.get(packageName); 2149 if (ps == null) return null; 2150 // Note: isEnabledLP() does not apply here - always return info 2151 return PackageParser.generateApplicationInfo( 2152 p, flags, ps.readUserState(userId), userId); 2153 } 2154 if ("android".equals(packageName)||"system".equals(packageName)) { 2155 return mAndroidApplication; 2156 } 2157 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2158 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2159 } 2160 } 2161 return null; 2162 } 2163 2164 2165 @Override 2166 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2167 mContext.enforceCallingOrSelfPermission( 2168 android.Manifest.permission.CLEAR_APP_CACHE, null); 2169 // Queue up an async operation since clearing cache may take a little while. 2170 mHandler.post(new Runnable() { 2171 public void run() { 2172 mHandler.removeCallbacks(this); 2173 int retCode = -1; 2174 synchronized (mInstallLock) { 2175 retCode = mInstaller.freeCache(freeStorageSize); 2176 if (retCode < 0) { 2177 Slog.w(TAG, "Couldn't clear application caches"); 2178 } 2179 } 2180 if (observer != null) { 2181 try { 2182 observer.onRemoveCompleted(null, (retCode >= 0)); 2183 } catch (RemoteException e) { 2184 Slog.w(TAG, "RemoveException when invoking call back"); 2185 } 2186 } 2187 } 2188 }); 2189 } 2190 2191 @Override 2192 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2193 mContext.enforceCallingOrSelfPermission( 2194 android.Manifest.permission.CLEAR_APP_CACHE, null); 2195 // Queue up an async operation since clearing cache may take a little while. 2196 mHandler.post(new Runnable() { 2197 public void run() { 2198 mHandler.removeCallbacks(this); 2199 int retCode = -1; 2200 synchronized (mInstallLock) { 2201 retCode = mInstaller.freeCache(freeStorageSize); 2202 if (retCode < 0) { 2203 Slog.w(TAG, "Couldn't clear application caches"); 2204 } 2205 } 2206 if(pi != null) { 2207 try { 2208 // Callback via pending intent 2209 int code = (retCode >= 0) ? 1 : 0; 2210 pi.sendIntent(null, code, null, 2211 null, null); 2212 } catch (SendIntentException e1) { 2213 Slog.i(TAG, "Failed to send pending intent"); 2214 } 2215 } 2216 } 2217 }); 2218 } 2219 2220 void freeStorage(long freeStorageSize) throws IOException { 2221 synchronized (mInstallLock) { 2222 if (mInstaller.freeCache(freeStorageSize) < 0) { 2223 throw new IOException("Failed to free enough space"); 2224 } 2225 } 2226 } 2227 2228 @Override 2229 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2230 if (!sUserManager.exists(userId)) return null; 2231 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2232 synchronized (mPackages) { 2233 PackageParser.Activity a = mActivities.mActivities.get(component); 2234 2235 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2236 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2237 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2238 if (ps == null) return null; 2239 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2240 userId); 2241 } 2242 if (mResolveComponentName.equals(component)) { 2243 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2244 new PackageUserState(), userId); 2245 } 2246 } 2247 return null; 2248 } 2249 2250 @Override 2251 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2252 String resolvedType) { 2253 synchronized (mPackages) { 2254 PackageParser.Activity a = mActivities.mActivities.get(component); 2255 if (a == null) { 2256 return false; 2257 } 2258 for (int i=0; i<a.intents.size(); i++) { 2259 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2260 intent.getData(), intent.getCategories(), TAG) >= 0) { 2261 return true; 2262 } 2263 } 2264 return false; 2265 } 2266 } 2267 2268 @Override 2269 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2270 if (!sUserManager.exists(userId)) return null; 2271 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2272 synchronized (mPackages) { 2273 PackageParser.Activity a = mReceivers.mActivities.get(component); 2274 if (DEBUG_PACKAGE_INFO) Log.v( 2275 TAG, "getReceiverInfo " + component + ": " + a); 2276 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2277 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2278 if (ps == null) return null; 2279 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2280 userId); 2281 } 2282 } 2283 return null; 2284 } 2285 2286 @Override 2287 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2288 if (!sUserManager.exists(userId)) return null; 2289 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2290 synchronized (mPackages) { 2291 PackageParser.Service s = mServices.mServices.get(component); 2292 if (DEBUG_PACKAGE_INFO) Log.v( 2293 TAG, "getServiceInfo " + component + ": " + s); 2294 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2295 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2296 if (ps == null) return null; 2297 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2298 userId); 2299 } 2300 } 2301 return null; 2302 } 2303 2304 @Override 2305 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2306 if (!sUserManager.exists(userId)) return null; 2307 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2308 synchronized (mPackages) { 2309 PackageParser.Provider p = mProviders.mProviders.get(component); 2310 if (DEBUG_PACKAGE_INFO) Log.v( 2311 TAG, "getProviderInfo " + component + ": " + p); 2312 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2313 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2314 if (ps == null) return null; 2315 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2316 userId); 2317 } 2318 } 2319 return null; 2320 } 2321 2322 @Override 2323 public String[] getSystemSharedLibraryNames() { 2324 Set<String> libSet; 2325 synchronized (mPackages) { 2326 libSet = mSharedLibraries.keySet(); 2327 int size = libSet.size(); 2328 if (size > 0) { 2329 String[] libs = new String[size]; 2330 libSet.toArray(libs); 2331 return libs; 2332 } 2333 } 2334 return null; 2335 } 2336 2337 @Override 2338 public FeatureInfo[] getSystemAvailableFeatures() { 2339 Collection<FeatureInfo> featSet; 2340 synchronized (mPackages) { 2341 featSet = mAvailableFeatures.values(); 2342 int size = featSet.size(); 2343 if (size > 0) { 2344 FeatureInfo[] features = new FeatureInfo[size+1]; 2345 featSet.toArray(features); 2346 FeatureInfo fi = new FeatureInfo(); 2347 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2348 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2349 features[size] = fi; 2350 return features; 2351 } 2352 } 2353 return null; 2354 } 2355 2356 @Override 2357 public boolean hasSystemFeature(String name) { 2358 synchronized (mPackages) { 2359 return mAvailableFeatures.containsKey(name); 2360 } 2361 } 2362 2363 private void checkValidCaller(int uid, int userId) { 2364 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2365 return; 2366 2367 throw new SecurityException("Caller uid=" + uid 2368 + " is not privileged to communicate with user=" + userId); 2369 } 2370 2371 @Override 2372 public int checkPermission(String permName, String pkgName) { 2373 synchronized (mPackages) { 2374 PackageParser.Package p = mPackages.get(pkgName); 2375 if (p != null && p.mExtras != null) { 2376 PackageSetting ps = (PackageSetting)p.mExtras; 2377 if (ps.sharedUser != null) { 2378 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2379 return PackageManager.PERMISSION_GRANTED; 2380 } 2381 } else if (ps.grantedPermissions.contains(permName)) { 2382 return PackageManager.PERMISSION_GRANTED; 2383 } 2384 } 2385 } 2386 return PackageManager.PERMISSION_DENIED; 2387 } 2388 2389 @Override 2390 public int checkUidPermission(String permName, int uid) { 2391 synchronized (mPackages) { 2392 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2393 if (obj != null) { 2394 GrantedPermissions gp = (GrantedPermissions)obj; 2395 if (gp.grantedPermissions.contains(permName)) { 2396 return PackageManager.PERMISSION_GRANTED; 2397 } 2398 } else { 2399 ArraySet<String> perms = mSystemPermissions.get(uid); 2400 if (perms != null && perms.contains(permName)) { 2401 return PackageManager.PERMISSION_GRANTED; 2402 } 2403 } 2404 } 2405 return PackageManager.PERMISSION_DENIED; 2406 } 2407 2408 /** 2409 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2410 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2411 * @param checkShell TODO(yamasani): 2412 * @param message the message to log on security exception 2413 */ 2414 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2415 boolean checkShell, String message) { 2416 if (userId < 0) { 2417 throw new IllegalArgumentException("Invalid userId " + userId); 2418 } 2419 if (checkShell) { 2420 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2421 } 2422 if (userId == UserHandle.getUserId(callingUid)) return; 2423 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2424 if (requireFullPermission) { 2425 mContext.enforceCallingOrSelfPermission( 2426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2427 } else { 2428 try { 2429 mContext.enforceCallingOrSelfPermission( 2430 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2431 } catch (SecurityException se) { 2432 mContext.enforceCallingOrSelfPermission( 2433 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2434 } 2435 } 2436 } 2437 } 2438 2439 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2440 if (callingUid == Process.SHELL_UID) { 2441 if (userHandle >= 0 2442 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2443 throw new SecurityException("Shell does not have permission to access user " 2444 + userHandle); 2445 } else if (userHandle < 0) { 2446 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2447 + Debug.getCallers(3)); 2448 } 2449 } 2450 } 2451 2452 private BasePermission findPermissionTreeLP(String permName) { 2453 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2454 if (permName.startsWith(bp.name) && 2455 permName.length() > bp.name.length() && 2456 permName.charAt(bp.name.length()) == '.') { 2457 return bp; 2458 } 2459 } 2460 return null; 2461 } 2462 2463 private BasePermission checkPermissionTreeLP(String permName) { 2464 if (permName != null) { 2465 BasePermission bp = findPermissionTreeLP(permName); 2466 if (bp != null) { 2467 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2468 return bp; 2469 } 2470 throw new SecurityException("Calling uid " 2471 + Binder.getCallingUid() 2472 + " is not allowed to add to permission tree " 2473 + bp.name + " owned by uid " + bp.uid); 2474 } 2475 } 2476 throw new SecurityException("No permission tree found for " + permName); 2477 } 2478 2479 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2480 if (s1 == null) { 2481 return s2 == null; 2482 } 2483 if (s2 == null) { 2484 return false; 2485 } 2486 if (s1.getClass() != s2.getClass()) { 2487 return false; 2488 } 2489 return s1.equals(s2); 2490 } 2491 2492 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2493 if (pi1.icon != pi2.icon) return false; 2494 if (pi1.logo != pi2.logo) return false; 2495 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2496 if (!compareStrings(pi1.name, pi2.name)) return false; 2497 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2498 // We'll take care of setting this one. 2499 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2500 // These are not currently stored in settings. 2501 //if (!compareStrings(pi1.group, pi2.group)) return false; 2502 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2503 //if (pi1.labelRes != pi2.labelRes) return false; 2504 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2505 return true; 2506 } 2507 2508 int permissionInfoFootprint(PermissionInfo info) { 2509 int size = info.name.length(); 2510 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2511 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2512 return size; 2513 } 2514 2515 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2516 int size = 0; 2517 for (BasePermission perm : mSettings.mPermissions.values()) { 2518 if (perm.uid == tree.uid) { 2519 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2520 } 2521 } 2522 return size; 2523 } 2524 2525 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2526 // We calculate the max size of permissions defined by this uid and throw 2527 // if that plus the size of 'info' would exceed our stated maximum. 2528 if (tree.uid != Process.SYSTEM_UID) { 2529 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2530 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2531 throw new SecurityException("Permission tree size cap exceeded"); 2532 } 2533 } 2534 } 2535 2536 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2537 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2538 throw new SecurityException("Label must be specified in permission"); 2539 } 2540 BasePermission tree = checkPermissionTreeLP(info.name); 2541 BasePermission bp = mSettings.mPermissions.get(info.name); 2542 boolean added = bp == null; 2543 boolean changed = true; 2544 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2545 if (added) { 2546 enforcePermissionCapLocked(info, tree); 2547 bp = new BasePermission(info.name, tree.sourcePackage, 2548 BasePermission.TYPE_DYNAMIC); 2549 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2550 throw new SecurityException( 2551 "Not allowed to modify non-dynamic permission " 2552 + info.name); 2553 } else { 2554 if (bp.protectionLevel == fixedLevel 2555 && bp.perm.owner.equals(tree.perm.owner) 2556 && bp.uid == tree.uid 2557 && comparePermissionInfos(bp.perm.info, info)) { 2558 changed = false; 2559 } 2560 } 2561 bp.protectionLevel = fixedLevel; 2562 info = new PermissionInfo(info); 2563 info.protectionLevel = fixedLevel; 2564 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2565 bp.perm.info.packageName = tree.perm.info.packageName; 2566 bp.uid = tree.uid; 2567 if (added) { 2568 mSettings.mPermissions.put(info.name, bp); 2569 } 2570 if (changed) { 2571 if (!async) { 2572 mSettings.writeLPr(); 2573 } else { 2574 scheduleWriteSettingsLocked(); 2575 } 2576 } 2577 return added; 2578 } 2579 2580 @Override 2581 public boolean addPermission(PermissionInfo info) { 2582 synchronized (mPackages) { 2583 return addPermissionLocked(info, false); 2584 } 2585 } 2586 2587 @Override 2588 public boolean addPermissionAsync(PermissionInfo info) { 2589 synchronized (mPackages) { 2590 return addPermissionLocked(info, true); 2591 } 2592 } 2593 2594 @Override 2595 public void removePermission(String name) { 2596 synchronized (mPackages) { 2597 checkPermissionTreeLP(name); 2598 BasePermission bp = mSettings.mPermissions.get(name); 2599 if (bp != null) { 2600 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2601 throw new SecurityException( 2602 "Not allowed to modify non-dynamic permission " 2603 + name); 2604 } 2605 mSettings.mPermissions.remove(name); 2606 mSettings.writeLPr(); 2607 } 2608 } 2609 } 2610 2611 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2612 int index = pkg.requestedPermissions.indexOf(bp.name); 2613 if (index == -1) { 2614 throw new SecurityException("Package " + pkg.packageName 2615 + " has not requested permission " + bp.name); 2616 } 2617 boolean isNormal = 2618 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2619 == PermissionInfo.PROTECTION_NORMAL); 2620 boolean isDangerous = 2621 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2622 == PermissionInfo.PROTECTION_DANGEROUS); 2623 boolean isDevelopment = 2624 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2625 2626 if (!isNormal && !isDangerous && !isDevelopment) { 2627 throw new SecurityException("Permission " + bp.name 2628 + " is not a changeable permission type"); 2629 } 2630 2631 if (isNormal || isDangerous) { 2632 if (pkg.requestedPermissionsRequired.get(index)) { 2633 throw new SecurityException("Can't change " + bp.name 2634 + ". It is required by the application"); 2635 } 2636 } 2637 } 2638 2639 @Override 2640 public void grantPermission(String packageName, String permissionName) { 2641 mContext.enforceCallingOrSelfPermission( 2642 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2643 synchronized (mPackages) { 2644 final PackageParser.Package pkg = mPackages.get(packageName); 2645 if (pkg == null) { 2646 throw new IllegalArgumentException("Unknown package: " + packageName); 2647 } 2648 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2649 if (bp == null) { 2650 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2651 } 2652 2653 checkGrantRevokePermissions(pkg, bp); 2654 2655 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2656 if (ps == null) { 2657 return; 2658 } 2659 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2660 if (gp.grantedPermissions.add(permissionName)) { 2661 if (ps.haveGids) { 2662 gp.gids = appendInts(gp.gids, bp.gids); 2663 } 2664 mSettings.writeLPr(); 2665 } 2666 } 2667 } 2668 2669 @Override 2670 public void revokePermission(String packageName, String permissionName) { 2671 int changedAppId = -1; 2672 2673 synchronized (mPackages) { 2674 final PackageParser.Package pkg = mPackages.get(packageName); 2675 if (pkg == null) { 2676 throw new IllegalArgumentException("Unknown package: " + packageName); 2677 } 2678 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2679 mContext.enforceCallingOrSelfPermission( 2680 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2681 } 2682 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2683 if (bp == null) { 2684 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2685 } 2686 2687 checkGrantRevokePermissions(pkg, bp); 2688 2689 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2690 if (ps == null) { 2691 return; 2692 } 2693 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2694 if (gp.grantedPermissions.remove(permissionName)) { 2695 gp.grantedPermissions.remove(permissionName); 2696 if (ps.haveGids) { 2697 gp.gids = removeInts(gp.gids, bp.gids); 2698 } 2699 mSettings.writeLPr(); 2700 changedAppId = ps.appId; 2701 } 2702 } 2703 2704 if (changedAppId >= 0) { 2705 // We changed the perm on someone, kill its processes. 2706 IActivityManager am = ActivityManagerNative.getDefault(); 2707 if (am != null) { 2708 final int callingUserId = UserHandle.getCallingUserId(); 2709 final long ident = Binder.clearCallingIdentity(); 2710 try { 2711 //XXX we should only revoke for the calling user's app permissions, 2712 // but for now we impact all users. 2713 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2714 // "revoke " + permissionName); 2715 int[] users = sUserManager.getUserIds(); 2716 for (int user : users) { 2717 am.killUid(UserHandle.getUid(user, changedAppId), 2718 "revoke " + permissionName); 2719 } 2720 } catch (RemoteException e) { 2721 } finally { 2722 Binder.restoreCallingIdentity(ident); 2723 } 2724 } 2725 } 2726 } 2727 2728 @Override 2729 public boolean isProtectedBroadcast(String actionName) { 2730 synchronized (mPackages) { 2731 return mProtectedBroadcasts.contains(actionName); 2732 } 2733 } 2734 2735 @Override 2736 public int checkSignatures(String pkg1, String pkg2) { 2737 synchronized (mPackages) { 2738 final PackageParser.Package p1 = mPackages.get(pkg1); 2739 final PackageParser.Package p2 = mPackages.get(pkg2); 2740 if (p1 == null || p1.mExtras == null 2741 || p2 == null || p2.mExtras == null) { 2742 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2743 } 2744 return compareSignatures(p1.mSignatures, p2.mSignatures); 2745 } 2746 } 2747 2748 @Override 2749 public int checkUidSignatures(int uid1, int uid2) { 2750 // Map to base uids. 2751 uid1 = UserHandle.getAppId(uid1); 2752 uid2 = UserHandle.getAppId(uid2); 2753 // reader 2754 synchronized (mPackages) { 2755 Signature[] s1; 2756 Signature[] s2; 2757 Object obj = mSettings.getUserIdLPr(uid1); 2758 if (obj != null) { 2759 if (obj instanceof SharedUserSetting) { 2760 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2761 } else if (obj instanceof PackageSetting) { 2762 s1 = ((PackageSetting)obj).signatures.mSignatures; 2763 } else { 2764 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2765 } 2766 } else { 2767 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2768 } 2769 obj = mSettings.getUserIdLPr(uid2); 2770 if (obj != null) { 2771 if (obj instanceof SharedUserSetting) { 2772 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2773 } else if (obj instanceof PackageSetting) { 2774 s2 = ((PackageSetting)obj).signatures.mSignatures; 2775 } else { 2776 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2777 } 2778 } else { 2779 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2780 } 2781 return compareSignatures(s1, s2); 2782 } 2783 } 2784 2785 /** 2786 * Compares two sets of signatures. Returns: 2787 * <br /> 2788 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2789 * <br /> 2790 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2791 * <br /> 2792 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2793 * <br /> 2794 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2795 * <br /> 2796 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2797 */ 2798 static int compareSignatures(Signature[] s1, Signature[] s2) { 2799 if (s1 == null) { 2800 return s2 == null 2801 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2802 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2803 } 2804 2805 if (s2 == null) { 2806 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2807 } 2808 2809 if (s1.length != s2.length) { 2810 return PackageManager.SIGNATURE_NO_MATCH; 2811 } 2812 2813 // Since both signature sets are of size 1, we can compare without HashSets. 2814 if (s1.length == 1) { 2815 return s1[0].equals(s2[0]) ? 2816 PackageManager.SIGNATURE_MATCH : 2817 PackageManager.SIGNATURE_NO_MATCH; 2818 } 2819 2820 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2821 for (Signature sig : s1) { 2822 set1.add(sig); 2823 } 2824 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2825 for (Signature sig : s2) { 2826 set2.add(sig); 2827 } 2828 // Make sure s2 contains all signatures in s1. 2829 if (set1.equals(set2)) { 2830 return PackageManager.SIGNATURE_MATCH; 2831 } 2832 return PackageManager.SIGNATURE_NO_MATCH; 2833 } 2834 2835 /** 2836 * If the database version for this type of package (internal storage or 2837 * external storage) is less than the version where package signatures 2838 * were updated, return true. 2839 */ 2840 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2841 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2842 DatabaseVersion.SIGNATURE_END_ENTITY)) 2843 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2844 DatabaseVersion.SIGNATURE_END_ENTITY)); 2845 } 2846 2847 /** 2848 * Used for backward compatibility to make sure any packages with 2849 * certificate chains get upgraded to the new style. {@code existingSigs} 2850 * will be in the old format (since they were stored on disk from before the 2851 * system upgrade) and {@code scannedSigs} will be in the newer format. 2852 */ 2853 private int compareSignaturesCompat(PackageSignatures existingSigs, 2854 PackageParser.Package scannedPkg) { 2855 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2856 return PackageManager.SIGNATURE_NO_MATCH; 2857 } 2858 2859 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2860 for (Signature sig : existingSigs.mSignatures) { 2861 existingSet.add(sig); 2862 } 2863 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2864 for (Signature sig : scannedPkg.mSignatures) { 2865 try { 2866 Signature[] chainSignatures = sig.getChainSignatures(); 2867 for (Signature chainSig : chainSignatures) { 2868 scannedCompatSet.add(chainSig); 2869 } 2870 } catch (CertificateEncodingException e) { 2871 scannedCompatSet.add(sig); 2872 } 2873 } 2874 /* 2875 * Make sure the expanded scanned set contains all signatures in the 2876 * existing one. 2877 */ 2878 if (scannedCompatSet.equals(existingSet)) { 2879 // Migrate the old signatures to the new scheme. 2880 existingSigs.assignSignatures(scannedPkg.mSignatures); 2881 // The new KeySets will be re-added later in the scanning process. 2882 synchronized (mPackages) { 2883 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2884 } 2885 return PackageManager.SIGNATURE_MATCH; 2886 } 2887 return PackageManager.SIGNATURE_NO_MATCH; 2888 } 2889 2890 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2891 if (isExternal(scannedPkg)) { 2892 return mSettings.isExternalDatabaseVersionOlderThan( 2893 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2894 } else { 2895 return mSettings.isInternalDatabaseVersionOlderThan( 2896 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2897 } 2898 } 2899 2900 private int compareSignaturesRecover(PackageSignatures existingSigs, 2901 PackageParser.Package scannedPkg) { 2902 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 2903 return PackageManager.SIGNATURE_NO_MATCH; 2904 } 2905 2906 String msg = null; 2907 try { 2908 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 2909 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 2910 + scannedPkg.packageName); 2911 return PackageManager.SIGNATURE_MATCH; 2912 } 2913 } catch (CertificateException e) { 2914 msg = e.getMessage(); 2915 } 2916 2917 logCriticalInfo(Log.INFO, 2918 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 2919 return PackageManager.SIGNATURE_NO_MATCH; 2920 } 2921 2922 @Override 2923 public String[] getPackagesForUid(int uid) { 2924 uid = UserHandle.getAppId(uid); 2925 // reader 2926 synchronized (mPackages) { 2927 Object obj = mSettings.getUserIdLPr(uid); 2928 if (obj instanceof SharedUserSetting) { 2929 final SharedUserSetting sus = (SharedUserSetting) obj; 2930 final int N = sus.packages.size(); 2931 final String[] res = new String[N]; 2932 final Iterator<PackageSetting> it = sus.packages.iterator(); 2933 int i = 0; 2934 while (it.hasNext()) { 2935 res[i++] = it.next().name; 2936 } 2937 return res; 2938 } else if (obj instanceof PackageSetting) { 2939 final PackageSetting ps = (PackageSetting) obj; 2940 return new String[] { ps.name }; 2941 } 2942 } 2943 return null; 2944 } 2945 2946 @Override 2947 public String getNameForUid(int uid) { 2948 // reader 2949 synchronized (mPackages) { 2950 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2951 if (obj instanceof SharedUserSetting) { 2952 final SharedUserSetting sus = (SharedUserSetting) obj; 2953 return sus.name + ":" + sus.userId; 2954 } else if (obj instanceof PackageSetting) { 2955 final PackageSetting ps = (PackageSetting) obj; 2956 return ps.name; 2957 } 2958 } 2959 return null; 2960 } 2961 2962 @Override 2963 public int getUidForSharedUser(String sharedUserName) { 2964 if(sharedUserName == null) { 2965 return -1; 2966 } 2967 // reader 2968 synchronized (mPackages) { 2969 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2970 if (suid == null) { 2971 return -1; 2972 } 2973 return suid.userId; 2974 } 2975 } 2976 2977 @Override 2978 public int getFlagsForUid(int uid) { 2979 synchronized (mPackages) { 2980 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2981 if (obj instanceof SharedUserSetting) { 2982 final SharedUserSetting sus = (SharedUserSetting) obj; 2983 return sus.pkgFlags; 2984 } else if (obj instanceof PackageSetting) { 2985 final PackageSetting ps = (PackageSetting) obj; 2986 return ps.pkgFlags; 2987 } 2988 } 2989 return 0; 2990 } 2991 2992 @Override 2993 public boolean isUidPrivileged(int uid) { 2994 uid = UserHandle.getAppId(uid); 2995 // reader 2996 synchronized (mPackages) { 2997 Object obj = mSettings.getUserIdLPr(uid); 2998 if (obj instanceof SharedUserSetting) { 2999 final SharedUserSetting sus = (SharedUserSetting) obj; 3000 final Iterator<PackageSetting> it = sus.packages.iterator(); 3001 while (it.hasNext()) { 3002 if (it.next().isPrivileged()) { 3003 return true; 3004 } 3005 } 3006 } else if (obj instanceof PackageSetting) { 3007 final PackageSetting ps = (PackageSetting) obj; 3008 return ps.isPrivileged(); 3009 } 3010 } 3011 return false; 3012 } 3013 3014 @Override 3015 public String[] getAppOpPermissionPackages(String permissionName) { 3016 synchronized (mPackages) { 3017 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3018 if (pkgs == null) { 3019 return null; 3020 } 3021 return pkgs.toArray(new String[pkgs.size()]); 3022 } 3023 } 3024 3025 @Override 3026 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3027 int flags, int userId) { 3028 if (!sUserManager.exists(userId)) return null; 3029 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3030 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3031 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3032 } 3033 3034 @Override 3035 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3036 IntentFilter filter, int match, ComponentName activity) { 3037 final int userId = UserHandle.getCallingUserId(); 3038 if (DEBUG_PREFERRED) { 3039 Log.v(TAG, "setLastChosenActivity intent=" + intent 3040 + " resolvedType=" + resolvedType 3041 + " flags=" + flags 3042 + " filter=" + filter 3043 + " match=" + match 3044 + " activity=" + activity); 3045 filter.dump(new PrintStreamPrinter(System.out), " "); 3046 } 3047 intent.setComponent(null); 3048 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3049 // Find any earlier preferred or last chosen entries and nuke them 3050 findPreferredActivity(intent, resolvedType, 3051 flags, query, 0, false, true, false, userId); 3052 // Add the new activity as the last chosen for this filter 3053 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3054 "Setting last chosen"); 3055 } 3056 3057 @Override 3058 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3059 final int userId = UserHandle.getCallingUserId(); 3060 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3061 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3062 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3063 false, false, false, userId); 3064 } 3065 3066 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3067 int flags, List<ResolveInfo> query, int userId) { 3068 if (query != null) { 3069 final int N = query.size(); 3070 if (N == 1) { 3071 return query.get(0); 3072 } else if (N > 1) { 3073 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3074 // If there is more than one activity with the same priority, 3075 // then let the user decide between them. 3076 ResolveInfo r0 = query.get(0); 3077 ResolveInfo r1 = query.get(1); 3078 if (DEBUG_INTENT_MATCHING || debug) { 3079 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3080 + r1.activityInfo.name + "=" + r1.priority); 3081 } 3082 // If the first activity has a higher priority, or a different 3083 // default, then it is always desireable to pick it. 3084 if (r0.priority != r1.priority 3085 || r0.preferredOrder != r1.preferredOrder 3086 || r0.isDefault != r1.isDefault) { 3087 return query.get(0); 3088 } 3089 // If we have saved a preference for a preferred activity for 3090 // this Intent, use that. 3091 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3092 flags, query, r0.priority, true, false, debug, userId); 3093 if (ri != null) { 3094 return ri; 3095 } 3096 if (userId != 0) { 3097 ri = new ResolveInfo(mResolveInfo); 3098 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3099 ri.activityInfo.applicationInfo = new ApplicationInfo( 3100 ri.activityInfo.applicationInfo); 3101 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3102 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3103 return ri; 3104 } 3105 return mResolveInfo; 3106 } 3107 } 3108 return null; 3109 } 3110 3111 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3112 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3113 final int N = query.size(); 3114 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3115 .get(userId); 3116 // Get the list of persistent preferred activities that handle the intent 3117 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3118 List<PersistentPreferredActivity> pprefs = ppir != null 3119 ? ppir.queryIntent(intent, resolvedType, 3120 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3121 : null; 3122 if (pprefs != null && pprefs.size() > 0) { 3123 final int M = pprefs.size(); 3124 for (int i=0; i<M; i++) { 3125 final PersistentPreferredActivity ppa = pprefs.get(i); 3126 if (DEBUG_PREFERRED || debug) { 3127 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3128 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3129 + "\n component=" + ppa.mComponent); 3130 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3131 } 3132 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3133 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3134 if (DEBUG_PREFERRED || debug) { 3135 Slog.v(TAG, "Found persistent preferred activity:"); 3136 if (ai != null) { 3137 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3138 } else { 3139 Slog.v(TAG, " null"); 3140 } 3141 } 3142 if (ai == null) { 3143 // This previously registered persistent preferred activity 3144 // component is no longer known. Ignore it and do NOT remove it. 3145 continue; 3146 } 3147 for (int j=0; j<N; j++) { 3148 final ResolveInfo ri = query.get(j); 3149 if (!ri.activityInfo.applicationInfo.packageName 3150 .equals(ai.applicationInfo.packageName)) { 3151 continue; 3152 } 3153 if (!ri.activityInfo.name.equals(ai.name)) { 3154 continue; 3155 } 3156 // Found a persistent preference that can handle the intent. 3157 if (DEBUG_PREFERRED || debug) { 3158 Slog.v(TAG, "Returning persistent preferred activity: " + 3159 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3160 } 3161 return ri; 3162 } 3163 } 3164 } 3165 return null; 3166 } 3167 3168 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3169 List<ResolveInfo> query, int priority, boolean always, 3170 boolean removeMatches, boolean debug, int userId) { 3171 if (!sUserManager.exists(userId)) return null; 3172 // writer 3173 synchronized (mPackages) { 3174 if (intent.getSelector() != null) { 3175 intent = intent.getSelector(); 3176 } 3177 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3178 3179 // Try to find a matching persistent preferred activity. 3180 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3181 debug, userId); 3182 3183 // If a persistent preferred activity matched, use it. 3184 if (pri != null) { 3185 return pri; 3186 } 3187 3188 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3189 // Get the list of preferred activities that handle the intent 3190 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3191 List<PreferredActivity> prefs = pir != null 3192 ? pir.queryIntent(intent, resolvedType, 3193 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3194 : null; 3195 if (prefs != null && prefs.size() > 0) { 3196 boolean changed = false; 3197 try { 3198 // First figure out how good the original match set is. 3199 // We will only allow preferred activities that came 3200 // from the same match quality. 3201 int match = 0; 3202 3203 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3204 3205 final int N = query.size(); 3206 for (int j=0; j<N; j++) { 3207 final ResolveInfo ri = query.get(j); 3208 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3209 + ": 0x" + Integer.toHexString(match)); 3210 if (ri.match > match) { 3211 match = ri.match; 3212 } 3213 } 3214 3215 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3216 + Integer.toHexString(match)); 3217 3218 match &= IntentFilter.MATCH_CATEGORY_MASK; 3219 final int M = prefs.size(); 3220 for (int i=0; i<M; i++) { 3221 final PreferredActivity pa = prefs.get(i); 3222 if (DEBUG_PREFERRED || debug) { 3223 Slog.v(TAG, "Checking PreferredActivity ds=" 3224 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3225 + "\n component=" + pa.mPref.mComponent); 3226 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3227 } 3228 if (pa.mPref.mMatch != match) { 3229 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3230 + Integer.toHexString(pa.mPref.mMatch)); 3231 continue; 3232 } 3233 // If it's not an "always" type preferred activity and that's what we're 3234 // looking for, skip it. 3235 if (always && !pa.mPref.mAlways) { 3236 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3237 continue; 3238 } 3239 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3240 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3241 if (DEBUG_PREFERRED || debug) { 3242 Slog.v(TAG, "Found preferred activity:"); 3243 if (ai != null) { 3244 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3245 } else { 3246 Slog.v(TAG, " null"); 3247 } 3248 } 3249 if (ai == null) { 3250 // This previously registered preferred activity 3251 // component is no longer known. Most likely an update 3252 // to the app was installed and in the new version this 3253 // component no longer exists. Clean it up by removing 3254 // it from the preferred activities list, and skip it. 3255 Slog.w(TAG, "Removing dangling preferred activity: " 3256 + pa.mPref.mComponent); 3257 pir.removeFilter(pa); 3258 changed = true; 3259 continue; 3260 } 3261 for (int j=0; j<N; j++) { 3262 final ResolveInfo ri = query.get(j); 3263 if (!ri.activityInfo.applicationInfo.packageName 3264 .equals(ai.applicationInfo.packageName)) { 3265 continue; 3266 } 3267 if (!ri.activityInfo.name.equals(ai.name)) { 3268 continue; 3269 } 3270 3271 if (removeMatches) { 3272 pir.removeFilter(pa); 3273 changed = true; 3274 if (DEBUG_PREFERRED) { 3275 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3276 } 3277 break; 3278 } 3279 3280 // Okay we found a previously set preferred or last chosen app. 3281 // If the result set is different from when this 3282 // was created, we need to clear it and re-ask the 3283 // user their preference, if we're looking for an "always" type entry. 3284 if (always && !pa.mPref.sameSet(query, priority)) { 3285 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3286 + intent + " type " + resolvedType); 3287 if (DEBUG_PREFERRED) { 3288 Slog.v(TAG, "Removing preferred activity since set changed " 3289 + pa.mPref.mComponent); 3290 } 3291 pir.removeFilter(pa); 3292 // Re-add the filter as a "last chosen" entry (!always) 3293 PreferredActivity lastChosen = new PreferredActivity( 3294 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3295 pir.addFilter(lastChosen); 3296 changed = true; 3297 return null; 3298 } 3299 3300 // Yay! Either the set matched or we're looking for the last chosen 3301 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3302 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3303 return ri; 3304 } 3305 } 3306 } finally { 3307 if (changed) { 3308 if (DEBUG_PREFERRED) { 3309 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3310 } 3311 scheduleWritePackageRestrictionsLocked(userId); 3312 } 3313 } 3314 } 3315 } 3316 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3317 return null; 3318 } 3319 3320 /* 3321 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3322 */ 3323 @Override 3324 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3325 int targetUserId) { 3326 mContext.enforceCallingOrSelfPermission( 3327 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3328 List<CrossProfileIntentFilter> matches = 3329 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3330 if (matches != null) { 3331 int size = matches.size(); 3332 for (int i = 0; i < size; i++) { 3333 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3334 } 3335 } 3336 return false; 3337 } 3338 3339 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3340 String resolvedType, int userId) { 3341 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3342 if (resolver != null) { 3343 return resolver.queryIntent(intent, resolvedType, false, userId); 3344 } 3345 return null; 3346 } 3347 3348 @Override 3349 public List<ResolveInfo> queryIntentActivities(Intent intent, 3350 String resolvedType, int flags, int userId) { 3351 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3352 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3353 ComponentName comp = intent.getComponent(); 3354 if (comp == null) { 3355 if (intent.getSelector() != null) { 3356 intent = intent.getSelector(); 3357 comp = intent.getComponent(); 3358 } 3359 } 3360 3361 if (comp != null) { 3362 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3363 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3364 if (ai != null) { 3365 final ResolveInfo ri = new ResolveInfo(); 3366 ri.activityInfo = ai; 3367 list.add(ri); 3368 } 3369 return list; 3370 } 3371 3372 // reader 3373 synchronized (mPackages) { 3374 final String pkgName = intent.getPackage(); 3375 if (pkgName == null) { 3376 List<CrossProfileIntentFilter> matchingFilters = 3377 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3378 // Check for results that need to skip the current profile. 3379 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3380 resolvedType, flags, userId); 3381 if (resolveInfo != null) { 3382 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3383 result.add(resolveInfo); 3384 return result; 3385 } 3386 // Check for cross profile results. 3387 resolveInfo = queryCrossProfileIntents( 3388 matchingFilters, intent, resolvedType, flags, userId); 3389 3390 // Check for results in the current profile. 3391 List<ResolveInfo> result = mActivities.queryIntent( 3392 intent, resolvedType, flags, userId); 3393 if (resolveInfo != null) { 3394 result.add(resolveInfo); 3395 Collections.sort(result, mResolvePrioritySorter); 3396 } 3397 return result; 3398 } 3399 final PackageParser.Package pkg = mPackages.get(pkgName); 3400 if (pkg != null) { 3401 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3402 pkg.activities, userId); 3403 } 3404 return new ArrayList<ResolveInfo>(); 3405 } 3406 } 3407 3408 private ResolveInfo querySkipCurrentProfileIntents( 3409 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3410 int flags, int sourceUserId) { 3411 if (matchingFilters != null) { 3412 int size = matchingFilters.size(); 3413 for (int i = 0; i < size; i ++) { 3414 CrossProfileIntentFilter filter = matchingFilters.get(i); 3415 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3416 // Checking if there are activities in the target user that can handle the 3417 // intent. 3418 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3419 flags, sourceUserId); 3420 if (resolveInfo != null) { 3421 return resolveInfo; 3422 } 3423 } 3424 } 3425 } 3426 return null; 3427 } 3428 3429 // Return matching ResolveInfo if any for skip current profile intent filters. 3430 private ResolveInfo queryCrossProfileIntents( 3431 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3432 int flags, int sourceUserId) { 3433 if (matchingFilters != null) { 3434 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3435 // match the same intent. For performance reasons, it is better not to 3436 // run queryIntent twice for the same userId 3437 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3438 int size = matchingFilters.size(); 3439 for (int i = 0; i < size; i++) { 3440 CrossProfileIntentFilter filter = matchingFilters.get(i); 3441 int targetUserId = filter.getTargetUserId(); 3442 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3443 && !alreadyTriedUserIds.get(targetUserId)) { 3444 // Checking if there are activities in the target user that can handle the 3445 // intent. 3446 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3447 flags, sourceUserId); 3448 if (resolveInfo != null) return resolveInfo; 3449 alreadyTriedUserIds.put(targetUserId, true); 3450 } 3451 } 3452 } 3453 return null; 3454 } 3455 3456 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3457 String resolvedType, int flags, int sourceUserId) { 3458 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3459 resolvedType, flags, filter.getTargetUserId()); 3460 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3461 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3462 } 3463 return null; 3464 } 3465 3466 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3467 int sourceUserId, int targetUserId) { 3468 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3469 String className; 3470 if (targetUserId == UserHandle.USER_OWNER) { 3471 className = FORWARD_INTENT_TO_USER_OWNER; 3472 } else { 3473 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3474 } 3475 ComponentName forwardingActivityComponentName = new ComponentName( 3476 mAndroidApplication.packageName, className); 3477 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3478 sourceUserId); 3479 if (targetUserId == UserHandle.USER_OWNER) { 3480 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3481 forwardingResolveInfo.noResourceId = true; 3482 } 3483 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3484 forwardingResolveInfo.priority = 0; 3485 forwardingResolveInfo.preferredOrder = 0; 3486 forwardingResolveInfo.match = 0; 3487 forwardingResolveInfo.isDefault = true; 3488 forwardingResolveInfo.filter = filter; 3489 forwardingResolveInfo.targetUserId = targetUserId; 3490 return forwardingResolveInfo; 3491 } 3492 3493 @Override 3494 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3495 Intent[] specifics, String[] specificTypes, Intent intent, 3496 String resolvedType, int flags, int userId) { 3497 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3498 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3499 false, "query intent activity options"); 3500 final String resultsAction = intent.getAction(); 3501 3502 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3503 | PackageManager.GET_RESOLVED_FILTER, userId); 3504 3505 if (DEBUG_INTENT_MATCHING) { 3506 Log.v(TAG, "Query " + intent + ": " + results); 3507 } 3508 3509 int specificsPos = 0; 3510 int N; 3511 3512 // todo: note that the algorithm used here is O(N^2). This 3513 // isn't a problem in our current environment, but if we start running 3514 // into situations where we have more than 5 or 10 matches then this 3515 // should probably be changed to something smarter... 3516 3517 // First we go through and resolve each of the specific items 3518 // that were supplied, taking care of removing any corresponding 3519 // duplicate items in the generic resolve list. 3520 if (specifics != null) { 3521 for (int i=0; i<specifics.length; i++) { 3522 final Intent sintent = specifics[i]; 3523 if (sintent == null) { 3524 continue; 3525 } 3526 3527 if (DEBUG_INTENT_MATCHING) { 3528 Log.v(TAG, "Specific #" + i + ": " + sintent); 3529 } 3530 3531 String action = sintent.getAction(); 3532 if (resultsAction != null && resultsAction.equals(action)) { 3533 // If this action was explicitly requested, then don't 3534 // remove things that have it. 3535 action = null; 3536 } 3537 3538 ResolveInfo ri = null; 3539 ActivityInfo ai = null; 3540 3541 ComponentName comp = sintent.getComponent(); 3542 if (comp == null) { 3543 ri = resolveIntent( 3544 sintent, 3545 specificTypes != null ? specificTypes[i] : null, 3546 flags, userId); 3547 if (ri == null) { 3548 continue; 3549 } 3550 if (ri == mResolveInfo) { 3551 // ACK! Must do something better with this. 3552 } 3553 ai = ri.activityInfo; 3554 comp = new ComponentName(ai.applicationInfo.packageName, 3555 ai.name); 3556 } else { 3557 ai = getActivityInfo(comp, flags, userId); 3558 if (ai == null) { 3559 continue; 3560 } 3561 } 3562 3563 // Look for any generic query activities that are duplicates 3564 // of this specific one, and remove them from the results. 3565 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3566 N = results.size(); 3567 int j; 3568 for (j=specificsPos; j<N; j++) { 3569 ResolveInfo sri = results.get(j); 3570 if ((sri.activityInfo.name.equals(comp.getClassName()) 3571 && sri.activityInfo.applicationInfo.packageName.equals( 3572 comp.getPackageName())) 3573 || (action != null && sri.filter.matchAction(action))) { 3574 results.remove(j); 3575 if (DEBUG_INTENT_MATCHING) Log.v( 3576 TAG, "Removing duplicate item from " + j 3577 + " due to specific " + specificsPos); 3578 if (ri == null) { 3579 ri = sri; 3580 } 3581 j--; 3582 N--; 3583 } 3584 } 3585 3586 // Add this specific item to its proper place. 3587 if (ri == null) { 3588 ri = new ResolveInfo(); 3589 ri.activityInfo = ai; 3590 } 3591 results.add(specificsPos, ri); 3592 ri.specificIndex = i; 3593 specificsPos++; 3594 } 3595 } 3596 3597 // Now we go through the remaining generic results and remove any 3598 // duplicate actions that are found here. 3599 N = results.size(); 3600 for (int i=specificsPos; i<N-1; i++) { 3601 final ResolveInfo rii = results.get(i); 3602 if (rii.filter == null) { 3603 continue; 3604 } 3605 3606 // Iterate over all of the actions of this result's intent 3607 // filter... typically this should be just one. 3608 final Iterator<String> it = rii.filter.actionsIterator(); 3609 if (it == null) { 3610 continue; 3611 } 3612 while (it.hasNext()) { 3613 final String action = it.next(); 3614 if (resultsAction != null && resultsAction.equals(action)) { 3615 // If this action was explicitly requested, then don't 3616 // remove things that have it. 3617 continue; 3618 } 3619 for (int j=i+1; j<N; j++) { 3620 final ResolveInfo rij = results.get(j); 3621 if (rij.filter != null && rij.filter.hasAction(action)) { 3622 results.remove(j); 3623 if (DEBUG_INTENT_MATCHING) Log.v( 3624 TAG, "Removing duplicate item from " + j 3625 + " due to action " + action + " at " + i); 3626 j--; 3627 N--; 3628 } 3629 } 3630 } 3631 3632 // If the caller didn't request filter information, drop it now 3633 // so we don't have to marshall/unmarshall it. 3634 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3635 rii.filter = null; 3636 } 3637 } 3638 3639 // Filter out the caller activity if so requested. 3640 if (caller != null) { 3641 N = results.size(); 3642 for (int i=0; i<N; i++) { 3643 ActivityInfo ainfo = results.get(i).activityInfo; 3644 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3645 && caller.getClassName().equals(ainfo.name)) { 3646 results.remove(i); 3647 break; 3648 } 3649 } 3650 } 3651 3652 // If the caller didn't request filter information, 3653 // drop them now so we don't have to 3654 // marshall/unmarshall it. 3655 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3656 N = results.size(); 3657 for (int i=0; i<N; i++) { 3658 results.get(i).filter = null; 3659 } 3660 } 3661 3662 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3663 return results; 3664 } 3665 3666 @Override 3667 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3668 int userId) { 3669 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3670 ComponentName comp = intent.getComponent(); 3671 if (comp == null) { 3672 if (intent.getSelector() != null) { 3673 intent = intent.getSelector(); 3674 comp = intent.getComponent(); 3675 } 3676 } 3677 if (comp != null) { 3678 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3679 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3680 if (ai != null) { 3681 ResolveInfo ri = new ResolveInfo(); 3682 ri.activityInfo = ai; 3683 list.add(ri); 3684 } 3685 return list; 3686 } 3687 3688 // reader 3689 synchronized (mPackages) { 3690 String pkgName = intent.getPackage(); 3691 if (pkgName == null) { 3692 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3693 } 3694 final PackageParser.Package pkg = mPackages.get(pkgName); 3695 if (pkg != null) { 3696 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3697 userId); 3698 } 3699 return null; 3700 } 3701 } 3702 3703 @Override 3704 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3705 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3706 if (!sUserManager.exists(userId)) return null; 3707 if (query != null) { 3708 if (query.size() >= 1) { 3709 // If there is more than one service with the same priority, 3710 // just arbitrarily pick the first one. 3711 return query.get(0); 3712 } 3713 } 3714 return null; 3715 } 3716 3717 @Override 3718 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3719 int userId) { 3720 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3721 ComponentName comp = intent.getComponent(); 3722 if (comp == null) { 3723 if (intent.getSelector() != null) { 3724 intent = intent.getSelector(); 3725 comp = intent.getComponent(); 3726 } 3727 } 3728 if (comp != null) { 3729 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3730 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3731 if (si != null) { 3732 final ResolveInfo ri = new ResolveInfo(); 3733 ri.serviceInfo = si; 3734 list.add(ri); 3735 } 3736 return list; 3737 } 3738 3739 // reader 3740 synchronized (mPackages) { 3741 String pkgName = intent.getPackage(); 3742 if (pkgName == null) { 3743 return mServices.queryIntent(intent, resolvedType, flags, userId); 3744 } 3745 final PackageParser.Package pkg = mPackages.get(pkgName); 3746 if (pkg != null) { 3747 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3748 userId); 3749 } 3750 return null; 3751 } 3752 } 3753 3754 @Override 3755 public List<ResolveInfo> queryIntentContentProviders( 3756 Intent intent, String resolvedType, int flags, int userId) { 3757 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3758 ComponentName comp = intent.getComponent(); 3759 if (comp == null) { 3760 if (intent.getSelector() != null) { 3761 intent = intent.getSelector(); 3762 comp = intent.getComponent(); 3763 } 3764 } 3765 if (comp != null) { 3766 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3767 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3768 if (pi != null) { 3769 final ResolveInfo ri = new ResolveInfo(); 3770 ri.providerInfo = pi; 3771 list.add(ri); 3772 } 3773 return list; 3774 } 3775 3776 // reader 3777 synchronized (mPackages) { 3778 String pkgName = intent.getPackage(); 3779 if (pkgName == null) { 3780 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3781 } 3782 final PackageParser.Package pkg = mPackages.get(pkgName); 3783 if (pkg != null) { 3784 return mProviders.queryIntentForPackage( 3785 intent, resolvedType, flags, pkg.providers, userId); 3786 } 3787 return null; 3788 } 3789 } 3790 3791 @Override 3792 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3793 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3794 3795 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3796 3797 // writer 3798 synchronized (mPackages) { 3799 ArrayList<PackageInfo> list; 3800 if (listUninstalled) { 3801 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3802 for (PackageSetting ps : mSettings.mPackages.values()) { 3803 PackageInfo pi; 3804 if (ps.pkg != null) { 3805 pi = generatePackageInfo(ps.pkg, flags, userId); 3806 } else { 3807 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3808 } 3809 if (pi != null) { 3810 list.add(pi); 3811 } 3812 } 3813 } else { 3814 list = new ArrayList<PackageInfo>(mPackages.size()); 3815 for (PackageParser.Package p : mPackages.values()) { 3816 PackageInfo pi = generatePackageInfo(p, flags, userId); 3817 if (pi != null) { 3818 list.add(pi); 3819 } 3820 } 3821 } 3822 3823 return new ParceledListSlice<PackageInfo>(list); 3824 } 3825 } 3826 3827 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3828 String[] permissions, boolean[] tmp, int flags, int userId) { 3829 int numMatch = 0; 3830 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3831 for (int i=0; i<permissions.length; i++) { 3832 if (gp.grantedPermissions.contains(permissions[i])) { 3833 tmp[i] = true; 3834 numMatch++; 3835 } else { 3836 tmp[i] = false; 3837 } 3838 } 3839 if (numMatch == 0) { 3840 return; 3841 } 3842 PackageInfo pi; 3843 if (ps.pkg != null) { 3844 pi = generatePackageInfo(ps.pkg, flags, userId); 3845 } else { 3846 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3847 } 3848 // The above might return null in cases of uninstalled apps or install-state 3849 // skew across users/profiles. 3850 if (pi != null) { 3851 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3852 if (numMatch == permissions.length) { 3853 pi.requestedPermissions = permissions; 3854 } else { 3855 pi.requestedPermissions = new String[numMatch]; 3856 numMatch = 0; 3857 for (int i=0; i<permissions.length; i++) { 3858 if (tmp[i]) { 3859 pi.requestedPermissions[numMatch] = permissions[i]; 3860 numMatch++; 3861 } 3862 } 3863 } 3864 } 3865 list.add(pi); 3866 } 3867 } 3868 3869 @Override 3870 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3871 String[] permissions, int flags, int userId) { 3872 if (!sUserManager.exists(userId)) return null; 3873 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3874 3875 // writer 3876 synchronized (mPackages) { 3877 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3878 boolean[] tmpBools = new boolean[permissions.length]; 3879 if (listUninstalled) { 3880 for (PackageSetting ps : mSettings.mPackages.values()) { 3881 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3882 } 3883 } else { 3884 for (PackageParser.Package pkg : mPackages.values()) { 3885 PackageSetting ps = (PackageSetting)pkg.mExtras; 3886 if (ps != null) { 3887 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3888 userId); 3889 } 3890 } 3891 } 3892 3893 return new ParceledListSlice<PackageInfo>(list); 3894 } 3895 } 3896 3897 @Override 3898 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3899 if (!sUserManager.exists(userId)) return null; 3900 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3901 3902 // writer 3903 synchronized (mPackages) { 3904 ArrayList<ApplicationInfo> list; 3905 if (listUninstalled) { 3906 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3907 for (PackageSetting ps : mSettings.mPackages.values()) { 3908 ApplicationInfo ai; 3909 if (ps.pkg != null) { 3910 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3911 ps.readUserState(userId), userId); 3912 } else { 3913 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3914 } 3915 if (ai != null) { 3916 list.add(ai); 3917 } 3918 } 3919 } else { 3920 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3921 for (PackageParser.Package p : mPackages.values()) { 3922 if (p.mExtras != null) { 3923 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3924 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3925 if (ai != null) { 3926 list.add(ai); 3927 } 3928 } 3929 } 3930 } 3931 3932 return new ParceledListSlice<ApplicationInfo>(list); 3933 } 3934 } 3935 3936 public List<ApplicationInfo> getPersistentApplications(int flags) { 3937 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3938 3939 // reader 3940 synchronized (mPackages) { 3941 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3942 final int userId = UserHandle.getCallingUserId(); 3943 while (i.hasNext()) { 3944 final PackageParser.Package p = i.next(); 3945 if (p.applicationInfo != null 3946 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3947 && (!mSafeMode || isSystemApp(p))) { 3948 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3949 if (ps != null) { 3950 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3951 ps.readUserState(userId), userId); 3952 if (ai != null) { 3953 finalList.add(ai); 3954 } 3955 } 3956 } 3957 } 3958 } 3959 3960 return finalList; 3961 } 3962 3963 @Override 3964 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3965 if (!sUserManager.exists(userId)) return null; 3966 // reader 3967 synchronized (mPackages) { 3968 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3969 PackageSetting ps = provider != null 3970 ? mSettings.mPackages.get(provider.owner.packageName) 3971 : null; 3972 return ps != null 3973 && mSettings.isEnabledLPr(provider.info, flags, userId) 3974 && (!mSafeMode || (provider.info.applicationInfo.flags 3975 &ApplicationInfo.FLAG_SYSTEM) != 0) 3976 ? PackageParser.generateProviderInfo(provider, flags, 3977 ps.readUserState(userId), userId) 3978 : null; 3979 } 3980 } 3981 3982 /** 3983 * @deprecated 3984 */ 3985 @Deprecated 3986 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3987 // reader 3988 synchronized (mPackages) { 3989 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3990 .entrySet().iterator(); 3991 final int userId = UserHandle.getCallingUserId(); 3992 while (i.hasNext()) { 3993 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3994 PackageParser.Provider p = entry.getValue(); 3995 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3996 3997 if (ps != null && p.syncable 3998 && (!mSafeMode || (p.info.applicationInfo.flags 3999 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4000 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4001 ps.readUserState(userId), userId); 4002 if (info != null) { 4003 outNames.add(entry.getKey()); 4004 outInfo.add(info); 4005 } 4006 } 4007 } 4008 } 4009 } 4010 4011 @Override 4012 public List<ProviderInfo> queryContentProviders(String processName, 4013 int uid, int flags) { 4014 ArrayList<ProviderInfo> finalList = null; 4015 // reader 4016 synchronized (mPackages) { 4017 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4018 final int userId = processName != null ? 4019 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4020 while (i.hasNext()) { 4021 final PackageParser.Provider p = i.next(); 4022 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4023 if (ps != null && p.info.authority != null 4024 && (processName == null 4025 || (p.info.processName.equals(processName) 4026 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4027 && mSettings.isEnabledLPr(p.info, flags, userId) 4028 && (!mSafeMode 4029 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4030 if (finalList == null) { 4031 finalList = new ArrayList<ProviderInfo>(3); 4032 } 4033 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4034 ps.readUserState(userId), userId); 4035 if (info != null) { 4036 finalList.add(info); 4037 } 4038 } 4039 } 4040 } 4041 4042 if (finalList != null) { 4043 Collections.sort(finalList, mProviderInitOrderSorter); 4044 } 4045 4046 return finalList; 4047 } 4048 4049 @Override 4050 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4051 int flags) { 4052 // reader 4053 synchronized (mPackages) { 4054 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4055 return PackageParser.generateInstrumentationInfo(i, flags); 4056 } 4057 } 4058 4059 @Override 4060 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4061 int flags) { 4062 ArrayList<InstrumentationInfo> finalList = 4063 new ArrayList<InstrumentationInfo>(); 4064 4065 // reader 4066 synchronized (mPackages) { 4067 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4068 while (i.hasNext()) { 4069 final PackageParser.Instrumentation p = i.next(); 4070 if (targetPackage == null 4071 || targetPackage.equals(p.info.targetPackage)) { 4072 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4073 flags); 4074 if (ii != null) { 4075 finalList.add(ii); 4076 } 4077 } 4078 } 4079 } 4080 4081 return finalList; 4082 } 4083 4084 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4085 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4086 if (overlays == null) { 4087 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4088 return; 4089 } 4090 for (PackageParser.Package opkg : overlays.values()) { 4091 // Not much to do if idmap fails: we already logged the error 4092 // and we certainly don't want to abort installation of pkg simply 4093 // because an overlay didn't fit properly. For these reasons, 4094 // ignore the return value of createIdmapForPackagePairLI. 4095 createIdmapForPackagePairLI(pkg, opkg); 4096 } 4097 } 4098 4099 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4100 PackageParser.Package opkg) { 4101 if (!opkg.mTrustedOverlay) { 4102 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4103 opkg.baseCodePath + ": overlay not trusted"); 4104 return false; 4105 } 4106 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4107 if (overlaySet == null) { 4108 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4109 opkg.baseCodePath + " but target package has no known overlays"); 4110 return false; 4111 } 4112 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4113 // TODO: generate idmap for split APKs 4114 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4115 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4116 + opkg.baseCodePath); 4117 return false; 4118 } 4119 PackageParser.Package[] overlayArray = 4120 overlaySet.values().toArray(new PackageParser.Package[0]); 4121 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4122 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4123 return p1.mOverlayPriority - p2.mOverlayPriority; 4124 } 4125 }; 4126 Arrays.sort(overlayArray, cmp); 4127 4128 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4129 int i = 0; 4130 for (PackageParser.Package p : overlayArray) { 4131 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4132 } 4133 return true; 4134 } 4135 4136 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4137 final File[] files = dir.listFiles(); 4138 if (ArrayUtils.isEmpty(files)) { 4139 Log.d(TAG, "No files in app dir " + dir); 4140 return; 4141 } 4142 4143 if (DEBUG_PACKAGE_SCANNING) { 4144 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4145 + " flags=0x" + Integer.toHexString(parseFlags)); 4146 } 4147 4148 for (File file : files) { 4149 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4150 && !PackageInstallerService.isStageName(file.getName()); 4151 if (!isPackage) { 4152 // Ignore entries which are not packages 4153 continue; 4154 } 4155 try { 4156 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4157 scanFlags, currentTime, null); 4158 } catch (PackageManagerException e) { 4159 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4160 4161 // Delete invalid userdata apps 4162 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4163 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4164 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4165 if (file.isDirectory()) { 4166 FileUtils.deleteContents(file); 4167 } 4168 file.delete(); 4169 } 4170 } 4171 } 4172 } 4173 4174 private static File getSettingsProblemFile() { 4175 File dataDir = Environment.getDataDirectory(); 4176 File systemDir = new File(dataDir, "system"); 4177 File fname = new File(systemDir, "uiderrors.txt"); 4178 return fname; 4179 } 4180 4181 static void reportSettingsProblem(int priority, String msg) { 4182 logCriticalInfo(priority, msg); 4183 } 4184 4185 static void logCriticalInfo(int priority, String msg) { 4186 Slog.println(priority, TAG, msg); 4187 EventLogTags.writePmCriticalInfo(msg); 4188 try { 4189 File fname = getSettingsProblemFile(); 4190 FileOutputStream out = new FileOutputStream(fname, true); 4191 PrintWriter pw = new FastPrintWriter(out); 4192 SimpleDateFormat formatter = new SimpleDateFormat(); 4193 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4194 pw.println(dateString + ": " + msg); 4195 pw.close(); 4196 FileUtils.setPermissions( 4197 fname.toString(), 4198 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4199 -1, -1); 4200 } catch (java.io.IOException e) { 4201 } 4202 } 4203 4204 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4205 PackageParser.Package pkg, File srcFile, int parseFlags) 4206 throws PackageManagerException { 4207 if (ps != null 4208 && ps.codePath.equals(srcFile) 4209 && ps.timeStamp == srcFile.lastModified() 4210 && !isCompatSignatureUpdateNeeded(pkg) 4211 && !isRecoverSignatureUpdateNeeded(pkg)) { 4212 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4213 if (ps.signatures.mSignatures != null 4214 && ps.signatures.mSignatures.length != 0 4215 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4216 // Optimization: reuse the existing cached certificates 4217 // if the package appears to be unchanged. 4218 pkg.mSignatures = ps.signatures.mSignatures; 4219 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4220 synchronized (mPackages) { 4221 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4222 } 4223 return; 4224 } 4225 4226 Slog.w(TAG, "PackageSetting for " + ps.name 4227 + " is missing signatures. Collecting certs again to recover them."); 4228 } else { 4229 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4230 } 4231 4232 try { 4233 pp.collectCertificates(pkg, parseFlags); 4234 pp.collectManifestDigest(pkg); 4235 } catch (PackageParserException e) { 4236 throw PackageManagerException.from(e); 4237 } 4238 } 4239 4240 /* 4241 * Scan a package and return the newly parsed package. 4242 * Returns null in case of errors and the error code is stored in mLastScanError 4243 */ 4244 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4245 long currentTime, UserHandle user) throws PackageManagerException { 4246 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4247 parseFlags |= mDefParseFlags; 4248 PackageParser pp = new PackageParser(); 4249 pp.setSeparateProcesses(mSeparateProcesses); 4250 pp.setOnlyCoreApps(mOnlyCore); 4251 pp.setDisplayMetrics(mMetrics); 4252 4253 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4254 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4255 } 4256 4257 final PackageParser.Package pkg; 4258 try { 4259 pkg = pp.parsePackage(scanFile, parseFlags); 4260 } catch (PackageParserException e) { 4261 throw PackageManagerException.from(e); 4262 } 4263 4264 PackageSetting ps = null; 4265 PackageSetting updatedPkg; 4266 // reader 4267 synchronized (mPackages) { 4268 // Look to see if we already know about this package. 4269 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4270 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4271 // This package has been renamed to its original name. Let's 4272 // use that. 4273 ps = mSettings.peekPackageLPr(oldName); 4274 } 4275 // If there was no original package, see one for the real package name. 4276 if (ps == null) { 4277 ps = mSettings.peekPackageLPr(pkg.packageName); 4278 } 4279 // Check to see if this package could be hiding/updating a system 4280 // package. Must look for it either under the original or real 4281 // package name depending on our state. 4282 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4283 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4284 } 4285 boolean updatedPkgBetter = false; 4286 // First check if this is a system package that may involve an update 4287 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4288 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4289 // it needs to drop FLAG_PRIVILEGED. 4290 if (locationIsPrivileged(scanFile)) { 4291 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4292 } else { 4293 updatedPkg.pkgFlags &= ~ApplicationInfo.FLAG_PRIVILEGED; 4294 } 4295 4296 if (ps != null && !ps.codePath.equals(scanFile)) { 4297 // The path has changed from what was last scanned... check the 4298 // version of the new path against what we have stored to determine 4299 // what to do. 4300 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4301 if (pkg.mVersionCode <= ps.versionCode) { 4302 // The system package has been updated and the code path does not match 4303 // Ignore entry. Skip it. 4304 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4305 + " ignored: updated version " + ps.versionCode 4306 + " better than this " + pkg.mVersionCode); 4307 if (!updatedPkg.codePath.equals(scanFile)) { 4308 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4309 + ps.name + " changing from " + updatedPkg.codePathString 4310 + " to " + scanFile); 4311 updatedPkg.codePath = scanFile; 4312 updatedPkg.codePathString = scanFile.toString(); 4313 } 4314 updatedPkg.pkg = pkg; 4315 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4316 } else { 4317 // The current app on the system partition is better than 4318 // what we have updated to on the data partition; switch 4319 // back to the system partition version. 4320 // At this point, its safely assumed that package installation for 4321 // apps in system partition will go through. If not there won't be a working 4322 // version of the app 4323 // writer 4324 synchronized (mPackages) { 4325 // Just remove the loaded entries from package lists. 4326 mPackages.remove(ps.name); 4327 } 4328 4329 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4330 + " reverting from " + ps.codePathString 4331 + ": new version " + pkg.mVersionCode 4332 + " better than installed " + ps.versionCode); 4333 4334 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4335 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4336 getAppDexInstructionSets(ps)); 4337 synchronized (mInstallLock) { 4338 args.cleanUpResourcesLI(); 4339 } 4340 synchronized (mPackages) { 4341 mSettings.enableSystemPackageLPw(ps.name); 4342 } 4343 updatedPkgBetter = true; 4344 } 4345 } 4346 } 4347 4348 if (updatedPkg != null) { 4349 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4350 // initially 4351 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4352 4353 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4354 // flag set initially 4355 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4356 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4357 } 4358 } 4359 4360 // Verify certificates against what was last scanned 4361 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4362 4363 /* 4364 * A new system app appeared, but we already had a non-system one of the 4365 * same name installed earlier. 4366 */ 4367 boolean shouldHideSystemApp = false; 4368 if (updatedPkg == null && ps != null 4369 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4370 /* 4371 * Check to make sure the signatures match first. If they don't, 4372 * wipe the installed application and its data. 4373 */ 4374 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4375 != PackageManager.SIGNATURE_MATCH) { 4376 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4377 + " signatures don't match existing userdata copy; removing"); 4378 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4379 ps = null; 4380 } else { 4381 /* 4382 * If the newly-added system app is an older version than the 4383 * already installed version, hide it. It will be scanned later 4384 * and re-added like an update. 4385 */ 4386 if (pkg.mVersionCode <= ps.versionCode) { 4387 shouldHideSystemApp = true; 4388 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4389 + " but new version " + pkg.mVersionCode + " better than installed " 4390 + ps.versionCode + "; hiding system"); 4391 } else { 4392 /* 4393 * The newly found system app is a newer version that the 4394 * one previously installed. Simply remove the 4395 * already-installed application and replace it with our own 4396 * while keeping the application data. 4397 */ 4398 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4399 + " reverting from " + ps.codePathString + ": new version " 4400 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4401 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4402 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4403 getAppDexInstructionSets(ps)); 4404 synchronized (mInstallLock) { 4405 args.cleanUpResourcesLI(); 4406 } 4407 } 4408 } 4409 } 4410 4411 // The apk is forward locked (not public) if its code and resources 4412 // are kept in different files. (except for app in either system or 4413 // vendor path). 4414 // TODO grab this value from PackageSettings 4415 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4416 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4417 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4418 } 4419 } 4420 4421 // TODO: extend to support forward-locked splits 4422 String resourcePath = null; 4423 String baseResourcePath = null; 4424 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4425 if (ps != null && ps.resourcePathString != null) { 4426 resourcePath = ps.resourcePathString; 4427 baseResourcePath = ps.resourcePathString; 4428 } else { 4429 // Should not happen at all. Just log an error. 4430 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4431 } 4432 } else { 4433 resourcePath = pkg.codePath; 4434 baseResourcePath = pkg.baseCodePath; 4435 } 4436 4437 // Set application objects path explicitly. 4438 pkg.applicationInfo.setCodePath(pkg.codePath); 4439 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4440 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4441 pkg.applicationInfo.setResourcePath(resourcePath); 4442 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4443 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4444 4445 // Note that we invoke the following method only if we are about to unpack an application 4446 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4447 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4448 4449 /* 4450 * If the system app should be overridden by a previously installed 4451 * data, hide the system app now and let the /data/app scan pick it up 4452 * again. 4453 */ 4454 if (shouldHideSystemApp) { 4455 synchronized (mPackages) { 4456 /* 4457 * We have to grant systems permissions before we hide, because 4458 * grantPermissions will assume the package update is trying to 4459 * expand its permissions. 4460 */ 4461 grantPermissionsLPw(pkg, true, pkg.packageName); 4462 mSettings.disableSystemPackageLPw(pkg.packageName); 4463 } 4464 } 4465 4466 return scannedPkg; 4467 } 4468 4469 private static String fixProcessName(String defProcessName, 4470 String processName, int uid) { 4471 if (processName == null) { 4472 return defProcessName; 4473 } 4474 return processName; 4475 } 4476 4477 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4478 throws PackageManagerException { 4479 if (pkgSetting.signatures.mSignatures != null) { 4480 // Already existing package. Make sure signatures match 4481 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4482 == PackageManager.SIGNATURE_MATCH; 4483 if (!match) { 4484 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4485 == PackageManager.SIGNATURE_MATCH; 4486 } 4487 if (!match) { 4488 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4489 == PackageManager.SIGNATURE_MATCH; 4490 } 4491 if (!match) { 4492 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4493 + pkg.packageName + " signatures do not match the " 4494 + "previously installed version; ignoring!"); 4495 } 4496 } 4497 4498 // Check for shared user signatures 4499 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4500 // Already existing package. Make sure signatures match 4501 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4502 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4503 if (!match) { 4504 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4505 == PackageManager.SIGNATURE_MATCH; 4506 } 4507 if (!match) { 4508 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4509 == PackageManager.SIGNATURE_MATCH; 4510 } 4511 if (!match) { 4512 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4513 "Package " + pkg.packageName 4514 + " has no signatures that match those in shared user " 4515 + pkgSetting.sharedUser.name + "; ignoring!"); 4516 } 4517 } 4518 } 4519 4520 /** 4521 * Enforces that only the system UID or root's UID can call a method exposed 4522 * via Binder. 4523 * 4524 * @param message used as message if SecurityException is thrown 4525 * @throws SecurityException if the caller is not system or root 4526 */ 4527 private static final void enforceSystemOrRoot(String message) { 4528 final int uid = Binder.getCallingUid(); 4529 if (uid != Process.SYSTEM_UID && uid != 0) { 4530 throw new SecurityException(message); 4531 } 4532 } 4533 4534 @Override 4535 public void performBootDexOpt() { 4536 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4537 4538 // Before everything else, see whether we need to fstrim. 4539 try { 4540 IMountService ms = PackageHelper.getMountService(); 4541 if (ms != null) { 4542 final boolean isUpgrade = isUpgrade(); 4543 boolean doTrim = isUpgrade; 4544 if (doTrim) { 4545 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 4546 } else { 4547 final long interval = android.provider.Settings.Global.getLong( 4548 mContext.getContentResolver(), 4549 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4550 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4551 if (interval > 0) { 4552 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4553 if (timeSinceLast > interval) { 4554 doTrim = true; 4555 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4556 + "; running immediately"); 4557 } 4558 } 4559 } 4560 if (doTrim) { 4561 if (!isFirstBoot()) { 4562 try { 4563 ActivityManagerNative.getDefault().showBootMessage( 4564 mContext.getResources().getString( 4565 R.string.android_upgrading_fstrim), true); 4566 } catch (RemoteException e) { 4567 } 4568 } 4569 ms.runMaintenance(); 4570 } 4571 } else { 4572 Slog.e(TAG, "Mount service unavailable!"); 4573 } 4574 } catch (RemoteException e) { 4575 // Can't happen; MountService is local 4576 } 4577 4578 final ArraySet<PackageParser.Package> pkgs; 4579 synchronized (mPackages) { 4580 pkgs = mDeferredDexOpt; 4581 mDeferredDexOpt = null; 4582 } 4583 4584 if (pkgs != null) { 4585 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4586 // in case the device runs out of space. 4587 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4588 // Give priority to core apps. 4589 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4590 PackageParser.Package pkg = it.next(); 4591 if (pkg.coreApp) { 4592 if (DEBUG_DEXOPT) { 4593 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4594 } 4595 sortedPkgs.add(pkg); 4596 it.remove(); 4597 } 4598 } 4599 // Give priority to system apps that listen for pre boot complete. 4600 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4601 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4602 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4603 PackageParser.Package pkg = it.next(); 4604 if (pkgNames.contains(pkg.packageName)) { 4605 if (DEBUG_DEXOPT) { 4606 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4607 } 4608 sortedPkgs.add(pkg); 4609 it.remove(); 4610 } 4611 } 4612 // Give priority to system apps. 4613 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4614 PackageParser.Package pkg = it.next(); 4615 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4616 if (DEBUG_DEXOPT) { 4617 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4618 } 4619 sortedPkgs.add(pkg); 4620 it.remove(); 4621 } 4622 } 4623 // Give priority to updated system apps. 4624 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4625 PackageParser.Package pkg = it.next(); 4626 if (isUpdatedSystemApp(pkg)) { 4627 if (DEBUG_DEXOPT) { 4628 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4629 } 4630 sortedPkgs.add(pkg); 4631 it.remove(); 4632 } 4633 } 4634 // Give priority to apps that listen for boot complete. 4635 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4636 pkgNames = getPackageNamesForIntent(intent); 4637 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4638 PackageParser.Package pkg = it.next(); 4639 if (pkgNames.contains(pkg.packageName)) { 4640 if (DEBUG_DEXOPT) { 4641 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4642 } 4643 sortedPkgs.add(pkg); 4644 it.remove(); 4645 } 4646 } 4647 // Filter out packages that aren't recently used. 4648 filterRecentlyUsedApps(pkgs); 4649 // Add all remaining apps. 4650 for (PackageParser.Package pkg : pkgs) { 4651 if (DEBUG_DEXOPT) { 4652 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4653 } 4654 sortedPkgs.add(pkg); 4655 } 4656 4657 // If we want to be lazy, filter everything that wasn't recently used. 4658 if (mLazyDexOpt) { 4659 filterRecentlyUsedApps(sortedPkgs); 4660 } 4661 4662 int i = 0; 4663 int total = sortedPkgs.size(); 4664 File dataDir = Environment.getDataDirectory(); 4665 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4666 if (lowThreshold == 0) { 4667 throw new IllegalStateException("Invalid low memory threshold"); 4668 } 4669 for (PackageParser.Package pkg : sortedPkgs) { 4670 long usableSpace = dataDir.getUsableSpace(); 4671 if (usableSpace < lowThreshold) { 4672 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4673 break; 4674 } 4675 performBootDexOpt(pkg, ++i, total); 4676 } 4677 } 4678 } 4679 4680 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4681 // Filter out packages that aren't recently used. 4682 // 4683 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4684 // should do a full dexopt. 4685 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4686 int total = pkgs.size(); 4687 int skipped = 0; 4688 long now = System.currentTimeMillis(); 4689 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4690 PackageParser.Package pkg = i.next(); 4691 long then = pkg.mLastPackageUsageTimeInMills; 4692 if (then + mDexOptLRUThresholdInMills < now) { 4693 if (DEBUG_DEXOPT) { 4694 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4695 ((then == 0) ? "never" : new Date(then))); 4696 } 4697 i.remove(); 4698 skipped++; 4699 } 4700 } 4701 if (DEBUG_DEXOPT) { 4702 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4703 } 4704 } 4705 } 4706 4707 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4708 List<ResolveInfo> ris = null; 4709 try { 4710 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4711 intent, null, 0, UserHandle.USER_OWNER); 4712 } catch (RemoteException e) { 4713 } 4714 ArraySet<String> pkgNames = new ArraySet<String>(); 4715 if (ris != null) { 4716 for (ResolveInfo ri : ris) { 4717 pkgNames.add(ri.activityInfo.packageName); 4718 } 4719 } 4720 return pkgNames; 4721 } 4722 4723 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4724 if (DEBUG_DEXOPT) { 4725 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4726 } 4727 if (!isFirstBoot()) { 4728 try { 4729 ActivityManagerNative.getDefault().showBootMessage( 4730 mContext.getResources().getString(R.string.android_upgrading_apk, 4731 curr, total), true); 4732 } catch (RemoteException e) { 4733 } 4734 } 4735 PackageParser.Package p = pkg; 4736 synchronized (mInstallLock) { 4737 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4738 false /* defer */, true /* include dependencies */); 4739 } 4740 } 4741 4742 @Override 4743 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4744 return performDexOpt(packageName, instructionSet, false); 4745 } 4746 4747 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4748 if (info.primaryCpuAbi == null) { 4749 return getPreferredInstructionSet(); 4750 } 4751 4752 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4753 } 4754 4755 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4756 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4757 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4758 if (!dexopt && !updateUsage) { 4759 // We aren't going to dexopt or update usage, so bail early. 4760 return false; 4761 } 4762 PackageParser.Package p; 4763 final String targetInstructionSet; 4764 synchronized (mPackages) { 4765 p = mPackages.get(packageName); 4766 if (p == null) { 4767 return false; 4768 } 4769 if (updateUsage) { 4770 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4771 } 4772 mPackageUsage.write(false); 4773 if (!dexopt) { 4774 // We aren't going to dexopt, so bail early. 4775 return false; 4776 } 4777 4778 targetInstructionSet = instructionSet != null ? instructionSet : 4779 getPrimaryInstructionSet(p.applicationInfo); 4780 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4781 return false; 4782 } 4783 } 4784 4785 synchronized (mInstallLock) { 4786 final String[] instructionSets = new String[] { targetInstructionSet }; 4787 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4788 true /* include dependencies */) == DEX_OPT_PERFORMED; 4789 } 4790 } 4791 4792 public ArraySet<String> getPackagesThatNeedDexOpt() { 4793 ArraySet<String> pkgs = null; 4794 synchronized (mPackages) { 4795 for (PackageParser.Package p : mPackages.values()) { 4796 if (DEBUG_DEXOPT) { 4797 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4798 } 4799 if (!p.mDexOptPerformed.isEmpty()) { 4800 continue; 4801 } 4802 if (pkgs == null) { 4803 pkgs = new ArraySet<String>(); 4804 } 4805 pkgs.add(p.packageName); 4806 } 4807 } 4808 return pkgs; 4809 } 4810 4811 public void shutdown() { 4812 mPackageUsage.write(true); 4813 } 4814 4815 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4816 boolean forceDex, boolean defer, ArraySet<String> done) { 4817 for (int i=0; i<libs.size(); i++) { 4818 PackageParser.Package libPkg; 4819 String libName; 4820 synchronized (mPackages) { 4821 libName = libs.get(i); 4822 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4823 if (lib != null && lib.apk != null) { 4824 libPkg = mPackages.get(lib.apk); 4825 } else { 4826 libPkg = null; 4827 } 4828 } 4829 if (libPkg != null && !done.contains(libName)) { 4830 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4831 } 4832 } 4833 } 4834 4835 static final int DEX_OPT_SKIPPED = 0; 4836 static final int DEX_OPT_PERFORMED = 1; 4837 static final int DEX_OPT_DEFERRED = 2; 4838 static final int DEX_OPT_FAILED = -1; 4839 4840 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4841 boolean forceDex, boolean defer, ArraySet<String> done) { 4842 final String[] instructionSets = targetInstructionSets != null ? 4843 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4844 4845 if (done != null) { 4846 done.add(pkg.packageName); 4847 if (pkg.usesLibraries != null) { 4848 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4849 } 4850 if (pkg.usesOptionalLibraries != null) { 4851 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4852 } 4853 } 4854 4855 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4856 return DEX_OPT_SKIPPED; 4857 } 4858 4859 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4860 4861 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4862 boolean performedDexOpt = false; 4863 // There are three basic cases here: 4864 // 1.) we need to dexopt, either because we are forced or it is needed 4865 // 2.) we are defering a needed dexopt 4866 // 3.) we are skipping an unneeded dexopt 4867 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4868 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4869 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4870 continue; 4871 } 4872 4873 for (String path : paths) { 4874 try { 4875 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4876 // patckage or the one we find does not match the image checksum (i.e. it was 4877 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4878 // odex file and it matches the checksum of the image but not its base address, 4879 // meaning we need to move it. 4880 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4881 pkg.packageName, dexCodeInstructionSet, defer); 4882 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4883 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4884 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4885 + " vmSafeMode=" + vmSafeMode); 4886 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4887 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4888 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4889 4890 if (ret < 0) { 4891 // Don't bother running dexopt again if we failed, it will probably 4892 // just result in an error again. Also, don't bother dexopting for other 4893 // paths & ISAs. 4894 return DEX_OPT_FAILED; 4895 } 4896 4897 performedDexOpt = true; 4898 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4899 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4900 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4901 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4902 pkg.packageName, dexCodeInstructionSet); 4903 4904 if (ret < 0) { 4905 // Don't bother running patchoat again if we failed, it will probably 4906 // just result in an error again. Also, don't bother dexopting for other 4907 // paths & ISAs. 4908 return DEX_OPT_FAILED; 4909 } 4910 4911 performedDexOpt = true; 4912 } 4913 4914 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4915 // paths and instruction sets. We'll deal with them all together when we process 4916 // our list of deferred dexopts. 4917 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4918 if (mDeferredDexOpt == null) { 4919 mDeferredDexOpt = new ArraySet<PackageParser.Package>(); 4920 } 4921 mDeferredDexOpt.add(pkg); 4922 return DEX_OPT_DEFERRED; 4923 } 4924 } catch (FileNotFoundException e) { 4925 Slog.w(TAG, "Apk not found for dexopt: " + path); 4926 return DEX_OPT_FAILED; 4927 } catch (IOException e) { 4928 Slog.w(TAG, "IOException reading apk: " + path, e); 4929 return DEX_OPT_FAILED; 4930 } catch (StaleDexCacheError e) { 4931 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4932 return DEX_OPT_FAILED; 4933 } catch (Exception e) { 4934 Slog.w(TAG, "Exception when doing dexopt : ", e); 4935 return DEX_OPT_FAILED; 4936 } 4937 } 4938 4939 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4940 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4941 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4942 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4943 // it. 4944 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4945 } 4946 4947 // If we've gotten here, we're sure that no error occurred and that we haven't 4948 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4949 // we've skipped all of them because they are up to date. In both cases this 4950 // package doesn't need dexopt any longer. 4951 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4952 } 4953 4954 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4955 if (info.primaryCpuAbi != null) { 4956 if (info.secondaryCpuAbi != null) { 4957 return new String[] { 4958 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4959 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4960 } else { 4961 return new String[] { 4962 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4963 } 4964 } 4965 4966 return new String[] { getPreferredInstructionSet() }; 4967 } 4968 4969 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4970 if (ps.primaryCpuAbiString != null) { 4971 if (ps.secondaryCpuAbiString != null) { 4972 return new String[] { 4973 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4974 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4975 } else { 4976 return new String[] { 4977 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4978 } 4979 } 4980 4981 return new String[] { getPreferredInstructionSet() }; 4982 } 4983 4984 private static String getPreferredInstructionSet() { 4985 if (sPreferredInstructionSet == null) { 4986 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4987 } 4988 4989 return sPreferredInstructionSet; 4990 } 4991 4992 private static List<String> getAllInstructionSets() { 4993 final String[] allAbis = Build.SUPPORTED_ABIS; 4994 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4995 4996 for (String abi : allAbis) { 4997 final String instructionSet = VMRuntime.getInstructionSet(abi); 4998 if (!allInstructionSets.contains(instructionSet)) { 4999 allInstructionSets.add(instructionSet); 5000 } 5001 } 5002 5003 return allInstructionSets; 5004 } 5005 5006 /** 5007 * Returns the instruction set that should be used to compile dex code. In the presence of 5008 * a native bridge this might be different than the one shared libraries use. 5009 */ 5010 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 5011 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 5012 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 5013 } 5014 5015 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 5016 ArraySet<String> dexCodeInstructionSets = new ArraySet<String>(instructionSets.length); 5017 for (String instructionSet : instructionSets) { 5018 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 5019 } 5020 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 5021 } 5022 5023 /** 5024 * Returns deduplicated list of supported instructions for dex code. 5025 */ 5026 public static String[] getAllDexCodeInstructionSets() { 5027 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 5028 for (int i = 0; i < supportedInstructionSets.length; i++) { 5029 String abi = Build.SUPPORTED_ABIS[i]; 5030 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 5031 } 5032 return getDexCodeInstructionSets(supportedInstructionSets); 5033 } 5034 5035 @Override 5036 public void forceDexOpt(String packageName) { 5037 enforceSystemOrRoot("forceDexOpt"); 5038 5039 PackageParser.Package pkg; 5040 synchronized (mPackages) { 5041 pkg = mPackages.get(packageName); 5042 if (pkg == null) { 5043 throw new IllegalArgumentException("Missing package: " + packageName); 5044 } 5045 } 5046 5047 synchronized (mInstallLock) { 5048 final String[] instructionSets = new String[] { 5049 getPrimaryInstructionSet(pkg.applicationInfo) }; 5050 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 5051 if (res != DEX_OPT_PERFORMED) { 5052 throw new IllegalStateException("Failed to dexopt: " + res); 5053 } 5054 } 5055 } 5056 5057 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 5058 boolean forceDex, boolean defer, boolean inclDependencies) { 5059 ArraySet<String> done; 5060 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 5061 done = new ArraySet<String>(); 5062 done.add(pkg.packageName); 5063 } else { 5064 done = null; 5065 } 5066 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 5067 } 5068 5069 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 5070 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 5071 Slog.w(TAG, "Unable to update from " + oldPkg.name 5072 + " to " + newPkg.packageName 5073 + ": old package not in system partition"); 5074 return false; 5075 } else if (mPackages.get(oldPkg.name) != null) { 5076 Slog.w(TAG, "Unable to update from " + oldPkg.name 5077 + " to " + newPkg.packageName 5078 + ": old package still exists"); 5079 return false; 5080 } 5081 return true; 5082 } 5083 5084 File getDataPathForUser(int userId) { 5085 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 5086 } 5087 5088 private File getDataPathForPackage(String packageName, int userId) { 5089 /* 5090 * Until we fully support multiple users, return the directory we 5091 * previously would have. The PackageManagerTests will need to be 5092 * revised when this is changed back.. 5093 */ 5094 if (userId == 0) { 5095 return new File(mAppDataDir, packageName); 5096 } else { 5097 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 5098 + File.separator + packageName); 5099 } 5100 } 5101 5102 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5103 int[] users = sUserManager.getUserIds(); 5104 int res = mInstaller.install(packageName, uid, uid, seinfo); 5105 if (res < 0) { 5106 return res; 5107 } 5108 for (int user : users) { 5109 if (user != 0) { 5110 res = mInstaller.createUserData(packageName, 5111 UserHandle.getUid(user, uid), user, seinfo); 5112 if (res < 0) { 5113 return res; 5114 } 5115 } 5116 } 5117 return res; 5118 } 5119 5120 private int removeDataDirsLI(String packageName) { 5121 int[] users = sUserManager.getUserIds(); 5122 int res = 0; 5123 for (int user : users) { 5124 int resInner = mInstaller.remove(packageName, user); 5125 if (resInner < 0) { 5126 res = resInner; 5127 } 5128 } 5129 5130 return res; 5131 } 5132 5133 private int deleteCodeCacheDirsLI(String packageName) { 5134 int[] users = sUserManager.getUserIds(); 5135 int res = 0; 5136 for (int user : users) { 5137 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5138 if (resInner < 0) { 5139 res = resInner; 5140 } 5141 } 5142 return res; 5143 } 5144 5145 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5146 PackageParser.Package changingLib) { 5147 if (file.path != null) { 5148 usesLibraryFiles.add(file.path); 5149 return; 5150 } 5151 PackageParser.Package p = mPackages.get(file.apk); 5152 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5153 // If we are doing this while in the middle of updating a library apk, 5154 // then we need to make sure to use that new apk for determining the 5155 // dependencies here. (We haven't yet finished committing the new apk 5156 // to the package manager state.) 5157 if (p == null || p.packageName.equals(changingLib.packageName)) { 5158 p = changingLib; 5159 } 5160 } 5161 if (p != null) { 5162 usesLibraryFiles.addAll(p.getAllCodePaths()); 5163 } 5164 } 5165 5166 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5167 PackageParser.Package changingLib) throws PackageManagerException { 5168 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5169 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5170 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5171 for (int i=0; i<N; i++) { 5172 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5173 if (file == null) { 5174 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5175 "Package " + pkg.packageName + " requires unavailable shared library " 5176 + pkg.usesLibraries.get(i) + "; failing!"); 5177 } 5178 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5179 } 5180 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5181 for (int i=0; i<N; i++) { 5182 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5183 if (file == null) { 5184 Slog.w(TAG, "Package " + pkg.packageName 5185 + " desires unavailable shared library " 5186 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5187 } else { 5188 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5189 } 5190 } 5191 N = usesLibraryFiles.size(); 5192 if (N > 0) { 5193 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5194 } else { 5195 pkg.usesLibraryFiles = null; 5196 } 5197 } 5198 } 5199 5200 private static boolean hasString(List<String> list, List<String> which) { 5201 if (list == null) { 5202 return false; 5203 } 5204 for (int i=list.size()-1; i>=0; i--) { 5205 for (int j=which.size()-1; j>=0; j--) { 5206 if (which.get(j).equals(list.get(i))) { 5207 return true; 5208 } 5209 } 5210 } 5211 return false; 5212 } 5213 5214 private void updateAllSharedLibrariesLPw() { 5215 for (PackageParser.Package pkg : mPackages.values()) { 5216 try { 5217 updateSharedLibrariesLPw(pkg, null); 5218 } catch (PackageManagerException e) { 5219 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5220 } 5221 } 5222 } 5223 5224 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5225 PackageParser.Package changingPkg) { 5226 ArrayList<PackageParser.Package> res = null; 5227 for (PackageParser.Package pkg : mPackages.values()) { 5228 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5229 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5230 if (res == null) { 5231 res = new ArrayList<PackageParser.Package>(); 5232 } 5233 res.add(pkg); 5234 try { 5235 updateSharedLibrariesLPw(pkg, changingPkg); 5236 } catch (PackageManagerException e) { 5237 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5238 } 5239 } 5240 } 5241 return res; 5242 } 5243 5244 /** 5245 * Derive the value of the {@code cpuAbiOverride} based on the provided 5246 * value and an optional stored value from the package settings. 5247 */ 5248 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5249 String cpuAbiOverride = null; 5250 5251 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5252 cpuAbiOverride = null; 5253 } else if (abiOverride != null) { 5254 cpuAbiOverride = abiOverride; 5255 } else if (settings != null) { 5256 cpuAbiOverride = settings.cpuAbiOverrideString; 5257 } 5258 5259 return cpuAbiOverride; 5260 } 5261 5262 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5263 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5264 boolean success = false; 5265 try { 5266 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5267 currentTime, user); 5268 success = true; 5269 return res; 5270 } finally { 5271 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5272 removeDataDirsLI(pkg.packageName); 5273 } 5274 } 5275 } 5276 5277 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5278 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5279 final File scanFile = new File(pkg.codePath); 5280 if (pkg.applicationInfo.getCodePath() == null || 5281 pkg.applicationInfo.getResourcePath() == null) { 5282 // Bail out. The resource and code paths haven't been set. 5283 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5284 "Code and resource paths haven't been set correctly"); 5285 } 5286 5287 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5288 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5289 } else { 5290 // Only allow system apps to be flagged as core apps. 5291 pkg.coreApp = false; 5292 } 5293 5294 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5295 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5296 } 5297 5298 if (mCustomResolverComponentName != null && 5299 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5300 setUpCustomResolverActivity(pkg); 5301 } 5302 5303 if (pkg.packageName.equals("android")) { 5304 synchronized (mPackages) { 5305 if (mAndroidApplication != null) { 5306 Slog.w(TAG, "*************************************************"); 5307 Slog.w(TAG, "Core android package being redefined. Skipping."); 5308 Slog.w(TAG, " file=" + scanFile); 5309 Slog.w(TAG, "*************************************************"); 5310 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5311 "Core android package being redefined. Skipping."); 5312 } 5313 5314 // Set up information for our fall-back user intent resolution activity. 5315 mPlatformPackage = pkg; 5316 pkg.mVersionCode = mSdkVersion; 5317 mAndroidApplication = pkg.applicationInfo; 5318 5319 if (!mResolverReplaced) { 5320 mResolveActivity.applicationInfo = mAndroidApplication; 5321 mResolveActivity.name = ResolverActivity.class.getName(); 5322 mResolveActivity.packageName = mAndroidApplication.packageName; 5323 mResolveActivity.processName = "system:ui"; 5324 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5325 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5326 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5327 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5328 mResolveActivity.exported = true; 5329 mResolveActivity.enabled = true; 5330 mResolveInfo.activityInfo = mResolveActivity; 5331 mResolveInfo.priority = 0; 5332 mResolveInfo.preferredOrder = 0; 5333 mResolveInfo.match = 0; 5334 mResolveComponentName = new ComponentName( 5335 mAndroidApplication.packageName, mResolveActivity.name); 5336 } 5337 } 5338 } 5339 5340 if (DEBUG_PACKAGE_SCANNING) { 5341 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5342 Log.d(TAG, "Scanning package " + pkg.packageName); 5343 } 5344 5345 if (mPackages.containsKey(pkg.packageName) 5346 || mSharedLibraries.containsKey(pkg.packageName)) { 5347 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5348 "Application package " + pkg.packageName 5349 + " already installed. Skipping duplicate."); 5350 } 5351 5352 // Initialize package source and resource directories 5353 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5354 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5355 5356 SharedUserSetting suid = null; 5357 PackageSetting pkgSetting = null; 5358 5359 if (!isSystemApp(pkg)) { 5360 // Only system apps can use these features. 5361 pkg.mOriginalPackages = null; 5362 pkg.mRealPackage = null; 5363 pkg.mAdoptPermissions = null; 5364 } 5365 5366 // writer 5367 synchronized (mPackages) { 5368 if (pkg.mSharedUserId != null) { 5369 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5370 if (suid == null) { 5371 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5372 "Creating application package " + pkg.packageName 5373 + " for shared user failed"); 5374 } 5375 if (DEBUG_PACKAGE_SCANNING) { 5376 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5377 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5378 + "): packages=" + suid.packages); 5379 } 5380 } 5381 5382 // Check if we are renaming from an original package name. 5383 PackageSetting origPackage = null; 5384 String realName = null; 5385 if (pkg.mOriginalPackages != null) { 5386 // This package may need to be renamed to a previously 5387 // installed name. Let's check on that... 5388 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5389 if (pkg.mOriginalPackages.contains(renamed)) { 5390 // This package had originally been installed as the 5391 // original name, and we have already taken care of 5392 // transitioning to the new one. Just update the new 5393 // one to continue using the old name. 5394 realName = pkg.mRealPackage; 5395 if (!pkg.packageName.equals(renamed)) { 5396 // Callers into this function may have already taken 5397 // care of renaming the package; only do it here if 5398 // it is not already done. 5399 pkg.setPackageName(renamed); 5400 } 5401 5402 } else { 5403 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5404 if ((origPackage = mSettings.peekPackageLPr( 5405 pkg.mOriginalPackages.get(i))) != null) { 5406 // We do have the package already installed under its 5407 // original name... should we use it? 5408 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5409 // New package is not compatible with original. 5410 origPackage = null; 5411 continue; 5412 } else if (origPackage.sharedUser != null) { 5413 // Make sure uid is compatible between packages. 5414 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5415 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5416 + " to " + pkg.packageName + ": old uid " 5417 + origPackage.sharedUser.name 5418 + " differs from " + pkg.mSharedUserId); 5419 origPackage = null; 5420 continue; 5421 } 5422 } else { 5423 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5424 + pkg.packageName + " to old name " + origPackage.name); 5425 } 5426 break; 5427 } 5428 } 5429 } 5430 } 5431 5432 if (mTransferedPackages.contains(pkg.packageName)) { 5433 Slog.w(TAG, "Package " + pkg.packageName 5434 + " was transferred to another, but its .apk remains"); 5435 } 5436 5437 // Just create the setting, don't add it yet. For already existing packages 5438 // the PkgSetting exists already and doesn't have to be created. 5439 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5440 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5441 pkg.applicationInfo.primaryCpuAbi, 5442 pkg.applicationInfo.secondaryCpuAbi, 5443 pkg.applicationInfo.flags, user, false); 5444 if (pkgSetting == null) { 5445 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5446 "Creating application package " + pkg.packageName + " failed"); 5447 } 5448 5449 if (pkgSetting.origPackage != null) { 5450 // If we are first transitioning from an original package, 5451 // fix up the new package's name now. We need to do this after 5452 // looking up the package under its new name, so getPackageLP 5453 // can take care of fiddling things correctly. 5454 pkg.setPackageName(origPackage.name); 5455 5456 // File a report about this. 5457 String msg = "New package " + pkgSetting.realName 5458 + " renamed to replace old package " + pkgSetting.name; 5459 reportSettingsProblem(Log.WARN, msg); 5460 5461 // Make a note of it. 5462 mTransferedPackages.add(origPackage.name); 5463 5464 // No longer need to retain this. 5465 pkgSetting.origPackage = null; 5466 } 5467 5468 if (realName != null) { 5469 // Make a note of it. 5470 mTransferedPackages.add(pkg.packageName); 5471 } 5472 5473 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5474 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5475 } 5476 5477 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5478 // Check all shared libraries and map to their actual file path. 5479 // We only do this here for apps not on a system dir, because those 5480 // are the only ones that can fail an install due to this. We 5481 // will take care of the system apps by updating all of their 5482 // library paths after the scan is done. 5483 updateSharedLibrariesLPw(pkg, null); 5484 } 5485 5486 if (mFoundPolicyFile) { 5487 SELinuxMMAC.assignSeinfoValue(pkg); 5488 } 5489 5490 pkg.applicationInfo.uid = pkgSetting.appId; 5491 pkg.mExtras = pkgSetting; 5492 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5493 try { 5494 verifySignaturesLP(pkgSetting, pkg); 5495 // We just determined the app is signed correctly, so bring 5496 // over the latest parsed certs. 5497 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5498 } catch (PackageManagerException e) { 5499 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5500 throw e; 5501 } 5502 // The signature has changed, but this package is in the system 5503 // image... let's recover! 5504 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5505 // However... if this package is part of a shared user, but it 5506 // doesn't match the signature of the shared user, let's fail. 5507 // What this means is that you can't change the signatures 5508 // associated with an overall shared user, which doesn't seem all 5509 // that unreasonable. 5510 if (pkgSetting.sharedUser != null) { 5511 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5512 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5513 throw new PackageManagerException( 5514 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5515 "Signature mismatch for shared user : " 5516 + pkgSetting.sharedUser); 5517 } 5518 } 5519 // File a report about this. 5520 String msg = "System package " + pkg.packageName 5521 + " signature changed; retaining data."; 5522 reportSettingsProblem(Log.WARN, msg); 5523 } 5524 } else { 5525 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5526 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5527 + pkg.packageName + " upgrade keys do not match the " 5528 + "previously installed version"); 5529 } else { 5530 // We just determined the app is signed correctly, so bring 5531 // over the latest parsed certs. 5532 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5533 } 5534 } 5535 // Verify that this new package doesn't have any content providers 5536 // that conflict with existing packages. Only do this if the 5537 // package isn't already installed, since we don't want to break 5538 // things that are installed. 5539 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5540 final int N = pkg.providers.size(); 5541 int i; 5542 for (i=0; i<N; i++) { 5543 PackageParser.Provider p = pkg.providers.get(i); 5544 if (p.info.authority != null) { 5545 String names[] = p.info.authority.split(";"); 5546 for (int j = 0; j < names.length; j++) { 5547 if (mProvidersByAuthority.containsKey(names[j])) { 5548 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5549 final String otherPackageName = 5550 ((other != null && other.getComponentName() != null) ? 5551 other.getComponentName().getPackageName() : "?"); 5552 throw new PackageManagerException( 5553 INSTALL_FAILED_CONFLICTING_PROVIDER, 5554 "Can't install because provider name " + names[j] 5555 + " (in package " + pkg.applicationInfo.packageName 5556 + ") is already used by " + otherPackageName); 5557 } 5558 } 5559 } 5560 } 5561 } 5562 5563 if (pkg.mAdoptPermissions != null) { 5564 // This package wants to adopt ownership of permissions from 5565 // another package. 5566 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5567 final String origName = pkg.mAdoptPermissions.get(i); 5568 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5569 if (orig != null) { 5570 if (verifyPackageUpdateLPr(orig, pkg)) { 5571 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5572 + pkg.packageName); 5573 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5574 } 5575 } 5576 } 5577 } 5578 } 5579 5580 final String pkgName = pkg.packageName; 5581 5582 final long scanFileTime = scanFile.lastModified(); 5583 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5584 pkg.applicationInfo.processName = fixProcessName( 5585 pkg.applicationInfo.packageName, 5586 pkg.applicationInfo.processName, 5587 pkg.applicationInfo.uid); 5588 5589 File dataPath; 5590 if (mPlatformPackage == pkg) { 5591 // The system package is special. 5592 dataPath = new File(Environment.getDataDirectory(), "system"); 5593 5594 pkg.applicationInfo.dataDir = dataPath.getPath(); 5595 5596 } else { 5597 // This is a normal package, need to make its data directory. 5598 dataPath = getDataPathForPackage(pkg.packageName, 0); 5599 5600 boolean uidError = false; 5601 if (dataPath.exists()) { 5602 int currentUid = 0; 5603 try { 5604 StructStat stat = Os.stat(dataPath.getPath()); 5605 currentUid = stat.st_uid; 5606 } catch (ErrnoException e) { 5607 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5608 } 5609 5610 // If we have mismatched owners for the data path, we have a problem. 5611 if (currentUid != pkg.applicationInfo.uid) { 5612 boolean recovered = false; 5613 if (currentUid == 0) { 5614 // The directory somehow became owned by root. Wow. 5615 // This is probably because the system was stopped while 5616 // installd was in the middle of messing with its libs 5617 // directory. Ask installd to fix that. 5618 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5619 pkg.applicationInfo.uid); 5620 if (ret >= 0) { 5621 recovered = true; 5622 String msg = "Package " + pkg.packageName 5623 + " unexpectedly changed to uid 0; recovered to " + 5624 + pkg.applicationInfo.uid; 5625 reportSettingsProblem(Log.WARN, msg); 5626 } 5627 } 5628 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5629 || (scanFlags&SCAN_BOOTING) != 0)) { 5630 // If this is a system app, we can at least delete its 5631 // current data so the application will still work. 5632 int ret = removeDataDirsLI(pkgName); 5633 if (ret >= 0) { 5634 // TODO: Kill the processes first 5635 // Old data gone! 5636 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5637 ? "System package " : "Third party package "; 5638 String msg = prefix + pkg.packageName 5639 + " has changed from uid: " 5640 + currentUid + " to " 5641 + pkg.applicationInfo.uid + "; old data erased"; 5642 reportSettingsProblem(Log.WARN, msg); 5643 recovered = true; 5644 5645 // And now re-install the app. 5646 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5647 pkg.applicationInfo.seinfo); 5648 if (ret == -1) { 5649 // Ack should not happen! 5650 msg = prefix + pkg.packageName 5651 + " could not have data directory re-created after delete."; 5652 reportSettingsProblem(Log.WARN, msg); 5653 throw new PackageManagerException( 5654 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5655 } 5656 } 5657 if (!recovered) { 5658 mHasSystemUidErrors = true; 5659 } 5660 } else if (!recovered) { 5661 // If we allow this install to proceed, we will be broken. 5662 // Abort, abort! 5663 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5664 "scanPackageLI"); 5665 } 5666 if (!recovered) { 5667 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5668 + pkg.applicationInfo.uid + "/fs_" 5669 + currentUid; 5670 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5671 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5672 String msg = "Package " + pkg.packageName 5673 + " has mismatched uid: " 5674 + currentUid + " on disk, " 5675 + pkg.applicationInfo.uid + " in settings"; 5676 // writer 5677 synchronized (mPackages) { 5678 mSettings.mReadMessages.append(msg); 5679 mSettings.mReadMessages.append('\n'); 5680 uidError = true; 5681 if (!pkgSetting.uidError) { 5682 reportSettingsProblem(Log.ERROR, msg); 5683 } 5684 } 5685 } 5686 } 5687 pkg.applicationInfo.dataDir = dataPath.getPath(); 5688 if (mShouldRestoreconData) { 5689 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5690 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5691 pkg.applicationInfo.uid); 5692 } 5693 } else { 5694 if (DEBUG_PACKAGE_SCANNING) { 5695 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5696 Log.v(TAG, "Want this data dir: " + dataPath); 5697 } 5698 //invoke installer to do the actual installation 5699 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5700 pkg.applicationInfo.seinfo); 5701 if (ret < 0) { 5702 // Error from installer 5703 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5704 "Unable to create data dirs [errorCode=" + ret + "]"); 5705 } 5706 5707 if (dataPath.exists()) { 5708 pkg.applicationInfo.dataDir = dataPath.getPath(); 5709 } else { 5710 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5711 pkg.applicationInfo.dataDir = null; 5712 } 5713 } 5714 5715 pkgSetting.uidError = uidError; 5716 } 5717 5718 final String path = scanFile.getPath(); 5719 final String codePath = pkg.applicationInfo.getCodePath(); 5720 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5721 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5722 setBundledAppAbisAndRoots(pkg, pkgSetting); 5723 5724 // If we haven't found any native libraries for the app, check if it has 5725 // renderscript code. We'll need to force the app to 32 bit if it has 5726 // renderscript bitcode. 5727 if (pkg.applicationInfo.primaryCpuAbi == null 5728 && pkg.applicationInfo.secondaryCpuAbi == null 5729 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5730 NativeLibraryHelper.Handle handle = null; 5731 try { 5732 handle = NativeLibraryHelper.Handle.create(scanFile); 5733 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5734 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5735 } 5736 } catch (IOException ioe) { 5737 Slog.w(TAG, "Error scanning system app : " + ioe); 5738 } finally { 5739 IoUtils.closeQuietly(handle); 5740 } 5741 } 5742 5743 setNativeLibraryPaths(pkg); 5744 } else { 5745 // TODO: We can probably be smarter about this stuff. For installed apps, 5746 // we can calculate this information at install time once and for all. For 5747 // system apps, we can probably assume that this information doesn't change 5748 // after the first boot scan. As things stand, we do lots of unnecessary work. 5749 5750 // Give ourselves some initial paths; we'll come back for another 5751 // pass once we've determined ABI below. 5752 setNativeLibraryPaths(pkg); 5753 5754 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5755 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5756 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5757 5758 NativeLibraryHelper.Handle handle = null; 5759 try { 5760 handle = NativeLibraryHelper.Handle.create(scanFile); 5761 // TODO(multiArch): This can be null for apps that didn't go through the 5762 // usual installation process. We can calculate it again, like we 5763 // do during install time. 5764 // 5765 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5766 // unnecessary. 5767 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5768 5769 // Null out the abis so that they can be recalculated. 5770 pkg.applicationInfo.primaryCpuAbi = null; 5771 pkg.applicationInfo.secondaryCpuAbi = null; 5772 if (isMultiArch(pkg.applicationInfo)) { 5773 // Warn if we've set an abiOverride for multi-lib packages.. 5774 // By definition, we need to copy both 32 and 64 bit libraries for 5775 // such packages. 5776 if (pkg.cpuAbiOverride != null 5777 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5778 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5779 } 5780 5781 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5782 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5783 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5784 if (isAsec) { 5785 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5786 } else { 5787 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5788 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5789 useIsaSpecificSubdirs); 5790 } 5791 } 5792 5793 maybeThrowExceptionForMultiArchCopy( 5794 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5795 5796 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5797 if (isAsec) { 5798 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5799 } else { 5800 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5801 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5802 useIsaSpecificSubdirs); 5803 } 5804 } 5805 5806 maybeThrowExceptionForMultiArchCopy( 5807 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5808 5809 if (abi64 >= 0) { 5810 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5811 } 5812 5813 if (abi32 >= 0) { 5814 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5815 if (abi64 >= 0) { 5816 pkg.applicationInfo.secondaryCpuAbi = abi; 5817 } else { 5818 pkg.applicationInfo.primaryCpuAbi = abi; 5819 } 5820 } 5821 } else { 5822 String[] abiList = (cpuAbiOverride != null) ? 5823 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5824 5825 // Enable gross and lame hacks for apps that are built with old 5826 // SDK tools. We must scan their APKs for renderscript bitcode and 5827 // not launch them if it's present. Don't bother checking on devices 5828 // that don't have 64 bit support. 5829 boolean needsRenderScriptOverride = false; 5830 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5831 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5832 abiList = Build.SUPPORTED_32_BIT_ABIS; 5833 needsRenderScriptOverride = true; 5834 } 5835 5836 final int copyRet; 5837 if (isAsec) { 5838 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5839 } else { 5840 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5841 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5842 } 5843 5844 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5845 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5846 "Error unpackaging native libs for app, errorCode=" + copyRet); 5847 } 5848 5849 if (copyRet >= 0) { 5850 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5851 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5852 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5853 } else if (needsRenderScriptOverride) { 5854 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5855 } 5856 } 5857 } catch (IOException ioe) { 5858 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5859 } finally { 5860 IoUtils.closeQuietly(handle); 5861 } 5862 5863 // Now that we've calculated the ABIs and determined if it's an internal app, 5864 // we will go ahead and populate the nativeLibraryPath. 5865 setNativeLibraryPaths(pkg); 5866 5867 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5868 final int[] userIds = sUserManager.getUserIds(); 5869 synchronized (mInstallLock) { 5870 // Create a native library symlink only if we have native libraries 5871 // and if the native libraries are 32 bit libraries. We do not provide 5872 // this symlink for 64 bit libraries. 5873 if (pkg.applicationInfo.primaryCpuAbi != null && 5874 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5875 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5876 for (int userId : userIds) { 5877 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5878 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5879 "Failed linking native library dir (user=" + userId + ")"); 5880 } 5881 } 5882 } 5883 } 5884 } 5885 5886 // This is a special case for the "system" package, where the ABI is 5887 // dictated by the zygote configuration (and init.rc). We should keep track 5888 // of this ABI so that we can deal with "normal" applications that run under 5889 // the same UID correctly. 5890 if (mPlatformPackage == pkg) { 5891 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5892 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5893 } 5894 5895 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5896 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5897 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5898 // Copy the derived override back to the parsed package, so that we can 5899 // update the package settings accordingly. 5900 pkg.cpuAbiOverride = cpuAbiOverride; 5901 5902 if (DEBUG_ABI_SELECTION) { 5903 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5904 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5905 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5906 } 5907 5908 // Push the derived path down into PackageSettings so we know what to 5909 // clean up at uninstall time. 5910 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5911 5912 if (DEBUG_ABI_SELECTION) { 5913 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5914 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5915 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5916 } 5917 5918 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5919 // We don't do this here during boot because we can do it all 5920 // at once after scanning all existing packages. 5921 // 5922 // We also do this *before* we perform dexopt on this package, so that 5923 // we can avoid redundant dexopts, and also to make sure we've got the 5924 // code and package path correct. 5925 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5926 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5927 } 5928 5929 if ((scanFlags & SCAN_NO_DEX) == 0) { 5930 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5931 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5932 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5933 } 5934 } 5935 5936 if (mFactoryTest && pkg.requestedPermissions.contains( 5937 android.Manifest.permission.FACTORY_TEST)) { 5938 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5939 } 5940 5941 ArrayList<PackageParser.Package> clientLibPkgs = null; 5942 5943 // writer 5944 synchronized (mPackages) { 5945 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5946 // Only system apps can add new shared libraries. 5947 if (pkg.libraryNames != null) { 5948 for (int i=0; i<pkg.libraryNames.size(); i++) { 5949 String name = pkg.libraryNames.get(i); 5950 boolean allowed = false; 5951 if (isUpdatedSystemApp(pkg)) { 5952 // New library entries can only be added through the 5953 // system image. This is important to get rid of a lot 5954 // of nasty edge cases: for example if we allowed a non- 5955 // system update of the app to add a library, then uninstalling 5956 // the update would make the library go away, and assumptions 5957 // we made such as through app install filtering would now 5958 // have allowed apps on the device which aren't compatible 5959 // with it. Better to just have the restriction here, be 5960 // conservative, and create many fewer cases that can negatively 5961 // impact the user experience. 5962 final PackageSetting sysPs = mSettings 5963 .getDisabledSystemPkgLPr(pkg.packageName); 5964 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5965 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5966 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5967 allowed = true; 5968 allowed = true; 5969 break; 5970 } 5971 } 5972 } 5973 } else { 5974 allowed = true; 5975 } 5976 if (allowed) { 5977 if (!mSharedLibraries.containsKey(name)) { 5978 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5979 } else if (!name.equals(pkg.packageName)) { 5980 Slog.w(TAG, "Package " + pkg.packageName + " library " 5981 + name + " already exists; skipping"); 5982 } 5983 } else { 5984 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5985 + name + " that is not declared on system image; skipping"); 5986 } 5987 } 5988 if ((scanFlags&SCAN_BOOTING) == 0) { 5989 // If we are not booting, we need to update any applications 5990 // that are clients of our shared library. If we are booting, 5991 // this will all be done once the scan is complete. 5992 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5993 } 5994 } 5995 } 5996 } 5997 5998 // We also need to dexopt any apps that are dependent on this library. Note that 5999 // if these fail, we should abort the install since installing the library will 6000 // result in some apps being broken. 6001 if (clientLibPkgs != null) { 6002 if ((scanFlags & SCAN_NO_DEX) == 0) { 6003 for (int i = 0; i < clientLibPkgs.size(); i++) { 6004 PackageParser.Package clientPkg = clientLibPkgs.get(i); 6005 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 6006 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 6007 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 6008 "scanPackageLI failed to dexopt clientLibPkgs"); 6009 } 6010 } 6011 } 6012 } 6013 6014 // Request the ActivityManager to kill the process(only for existing packages) 6015 // so that we do not end up in a confused state while the user is still using the older 6016 // version of the application while the new one gets installed. 6017 if ((scanFlags & SCAN_REPLACING) != 0) { 6018 killApplication(pkg.applicationInfo.packageName, 6019 pkg.applicationInfo.uid, "update pkg"); 6020 } 6021 6022 // Also need to kill any apps that are dependent on the library. 6023 if (clientLibPkgs != null) { 6024 for (int i=0; i<clientLibPkgs.size(); i++) { 6025 PackageParser.Package clientPkg = clientLibPkgs.get(i); 6026 killApplication(clientPkg.applicationInfo.packageName, 6027 clientPkg.applicationInfo.uid, "update lib"); 6028 } 6029 } 6030 6031 // writer 6032 synchronized (mPackages) { 6033 // We don't expect installation to fail beyond this point 6034 6035 // Add the new setting to mSettings 6036 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 6037 // Add the new setting to mPackages 6038 mPackages.put(pkg.applicationInfo.packageName, pkg); 6039 // Make sure we don't accidentally delete its data. 6040 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 6041 while (iter.hasNext()) { 6042 PackageCleanItem item = iter.next(); 6043 if (pkgName.equals(item.packageName)) { 6044 iter.remove(); 6045 } 6046 } 6047 6048 // Take care of first install / last update times. 6049 if (currentTime != 0) { 6050 if (pkgSetting.firstInstallTime == 0) { 6051 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 6052 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 6053 pkgSetting.lastUpdateTime = currentTime; 6054 } 6055 } else if (pkgSetting.firstInstallTime == 0) { 6056 // We need *something*. Take time time stamp of the file. 6057 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 6058 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 6059 if (scanFileTime != pkgSetting.timeStamp) { 6060 // A package on the system image has changed; consider this 6061 // to be an update. 6062 pkgSetting.lastUpdateTime = scanFileTime; 6063 } 6064 } 6065 6066 // Add the package's KeySets to the global KeySetManagerService 6067 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6068 try { 6069 // Old KeySetData no longer valid. 6070 ksms.removeAppKeySetDataLPw(pkg.packageName); 6071 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 6072 if (pkg.mKeySetMapping != null) { 6073 for (Map.Entry<String, ArraySet<PublicKey>> entry : 6074 pkg.mKeySetMapping.entrySet()) { 6075 if (entry.getValue() != null) { 6076 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 6077 entry.getValue(), entry.getKey()); 6078 } 6079 } 6080 if (pkg.mUpgradeKeySets != null) { 6081 for (String upgradeAlias : pkg.mUpgradeKeySets) { 6082 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 6083 } 6084 } 6085 } 6086 } catch (NullPointerException e) { 6087 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 6088 } catch (IllegalArgumentException e) { 6089 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 6090 } 6091 6092 int N = pkg.providers.size(); 6093 StringBuilder r = null; 6094 int i; 6095 for (i=0; i<N; i++) { 6096 PackageParser.Provider p = pkg.providers.get(i); 6097 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 6098 p.info.processName, pkg.applicationInfo.uid); 6099 mProviders.addProvider(p); 6100 p.syncable = p.info.isSyncable; 6101 if (p.info.authority != null) { 6102 String names[] = p.info.authority.split(";"); 6103 p.info.authority = null; 6104 for (int j = 0; j < names.length; j++) { 6105 if (j == 1 && p.syncable) { 6106 // We only want the first authority for a provider to possibly be 6107 // syncable, so if we already added this provider using a different 6108 // authority clear the syncable flag. We copy the provider before 6109 // changing it because the mProviders object contains a reference 6110 // to a provider that we don't want to change. 6111 // Only do this for the second authority since the resulting provider 6112 // object can be the same for all future authorities for this provider. 6113 p = new PackageParser.Provider(p); 6114 p.syncable = false; 6115 } 6116 if (!mProvidersByAuthority.containsKey(names[j])) { 6117 mProvidersByAuthority.put(names[j], p); 6118 if (p.info.authority == null) { 6119 p.info.authority = names[j]; 6120 } else { 6121 p.info.authority = p.info.authority + ";" + names[j]; 6122 } 6123 if (DEBUG_PACKAGE_SCANNING) { 6124 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6125 Log.d(TAG, "Registered content provider: " + names[j] 6126 + ", className = " + p.info.name + ", isSyncable = " 6127 + p.info.isSyncable); 6128 } 6129 } else { 6130 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6131 Slog.w(TAG, "Skipping provider name " + names[j] + 6132 " (in package " + pkg.applicationInfo.packageName + 6133 "): name already used by " 6134 + ((other != null && other.getComponentName() != null) 6135 ? other.getComponentName().getPackageName() : "?")); 6136 } 6137 } 6138 } 6139 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6140 if (r == null) { 6141 r = new StringBuilder(256); 6142 } else { 6143 r.append(' '); 6144 } 6145 r.append(p.info.name); 6146 } 6147 } 6148 if (r != null) { 6149 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6150 } 6151 6152 N = pkg.services.size(); 6153 r = null; 6154 for (i=0; i<N; i++) { 6155 PackageParser.Service s = pkg.services.get(i); 6156 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6157 s.info.processName, pkg.applicationInfo.uid); 6158 mServices.addService(s); 6159 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6160 if (r == null) { 6161 r = new StringBuilder(256); 6162 } else { 6163 r.append(' '); 6164 } 6165 r.append(s.info.name); 6166 } 6167 } 6168 if (r != null) { 6169 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6170 } 6171 6172 N = pkg.receivers.size(); 6173 r = null; 6174 for (i=0; i<N; i++) { 6175 PackageParser.Activity a = pkg.receivers.get(i); 6176 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6177 a.info.processName, pkg.applicationInfo.uid); 6178 mReceivers.addActivity(a, "receiver"); 6179 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6180 if (r == null) { 6181 r = new StringBuilder(256); 6182 } else { 6183 r.append(' '); 6184 } 6185 r.append(a.info.name); 6186 } 6187 } 6188 if (r != null) { 6189 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6190 } 6191 6192 N = pkg.activities.size(); 6193 r = null; 6194 for (i=0; i<N; i++) { 6195 PackageParser.Activity a = pkg.activities.get(i); 6196 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6197 a.info.processName, pkg.applicationInfo.uid); 6198 mActivities.addActivity(a, "activity"); 6199 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6200 if (r == null) { 6201 r = new StringBuilder(256); 6202 } else { 6203 r.append(' '); 6204 } 6205 r.append(a.info.name); 6206 } 6207 } 6208 if (r != null) { 6209 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6210 } 6211 6212 N = pkg.permissionGroups.size(); 6213 r = null; 6214 for (i=0; i<N; i++) { 6215 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6216 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6217 if (cur == null) { 6218 mPermissionGroups.put(pg.info.name, pg); 6219 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6220 if (r == null) { 6221 r = new StringBuilder(256); 6222 } else { 6223 r.append(' '); 6224 } 6225 r.append(pg.info.name); 6226 } 6227 } else { 6228 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6229 + pg.info.packageName + " ignored: original from " 6230 + cur.info.packageName); 6231 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6232 if (r == null) { 6233 r = new StringBuilder(256); 6234 } else { 6235 r.append(' '); 6236 } 6237 r.append("DUP:"); 6238 r.append(pg.info.name); 6239 } 6240 } 6241 } 6242 if (r != null) { 6243 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6244 } 6245 6246 N = pkg.permissions.size(); 6247 r = null; 6248 for (i=0; i<N; i++) { 6249 PackageParser.Permission p = pkg.permissions.get(i); 6250 ArrayMap<String, BasePermission> permissionMap = 6251 p.tree ? mSettings.mPermissionTrees 6252 : mSettings.mPermissions; 6253 p.group = mPermissionGroups.get(p.info.group); 6254 if (p.info.group == null || p.group != null) { 6255 BasePermission bp = permissionMap.get(p.info.name); 6256 6257 // Allow system apps to redefine non-system permissions 6258 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6259 final boolean currentOwnerIsSystem = (bp.perm != null 6260 && isSystemApp(bp.perm.owner)); 6261 if (isSystemApp(p.owner)) { 6262 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6263 // It's a built-in permission and no owner, take ownership now 6264 bp.packageSetting = pkgSetting; 6265 bp.perm = p; 6266 bp.uid = pkg.applicationInfo.uid; 6267 bp.sourcePackage = p.info.packageName; 6268 } else if (!currentOwnerIsSystem) { 6269 String msg = "New decl " + p.owner + " of permission " 6270 + p.info.name + " is system; overriding " + bp.sourcePackage; 6271 reportSettingsProblem(Log.WARN, msg); 6272 bp = null; 6273 } 6274 } 6275 } 6276 6277 if (bp == null) { 6278 bp = new BasePermission(p.info.name, p.info.packageName, 6279 BasePermission.TYPE_NORMAL); 6280 permissionMap.put(p.info.name, bp); 6281 } 6282 6283 if (bp.perm == null) { 6284 if (bp.sourcePackage == null 6285 || bp.sourcePackage.equals(p.info.packageName)) { 6286 BasePermission tree = findPermissionTreeLP(p.info.name); 6287 if (tree == null 6288 || tree.sourcePackage.equals(p.info.packageName)) { 6289 bp.packageSetting = pkgSetting; 6290 bp.perm = p; 6291 bp.uid = pkg.applicationInfo.uid; 6292 bp.sourcePackage = p.info.packageName; 6293 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6294 if (r == null) { 6295 r = new StringBuilder(256); 6296 } else { 6297 r.append(' '); 6298 } 6299 r.append(p.info.name); 6300 } 6301 } else { 6302 Slog.w(TAG, "Permission " + p.info.name + " from package " 6303 + p.info.packageName + " ignored: base tree " 6304 + tree.name + " is from package " 6305 + tree.sourcePackage); 6306 } 6307 } else { 6308 Slog.w(TAG, "Permission " + p.info.name + " from package " 6309 + p.info.packageName + " ignored: original from " 6310 + bp.sourcePackage); 6311 } 6312 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6313 if (r == null) { 6314 r = new StringBuilder(256); 6315 } else { 6316 r.append(' '); 6317 } 6318 r.append("DUP:"); 6319 r.append(p.info.name); 6320 } 6321 if (bp.perm == p) { 6322 bp.protectionLevel = p.info.protectionLevel; 6323 } 6324 } else { 6325 Slog.w(TAG, "Permission " + p.info.name + " from package " 6326 + p.info.packageName + " ignored: no group " 6327 + p.group); 6328 } 6329 } 6330 if (r != null) { 6331 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6332 } 6333 6334 N = pkg.instrumentation.size(); 6335 r = null; 6336 for (i=0; i<N; i++) { 6337 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6338 a.info.packageName = pkg.applicationInfo.packageName; 6339 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6340 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6341 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6342 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6343 a.info.dataDir = pkg.applicationInfo.dataDir; 6344 6345 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6346 // need other information about the application, like the ABI and what not ? 6347 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6348 mInstrumentation.put(a.getComponentName(), a); 6349 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6350 if (r == null) { 6351 r = new StringBuilder(256); 6352 } else { 6353 r.append(' '); 6354 } 6355 r.append(a.info.name); 6356 } 6357 } 6358 if (r != null) { 6359 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6360 } 6361 6362 if (pkg.protectedBroadcasts != null) { 6363 N = pkg.protectedBroadcasts.size(); 6364 for (i=0; i<N; i++) { 6365 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6366 } 6367 } 6368 6369 pkgSetting.setTimeStamp(scanFileTime); 6370 6371 // Create idmap files for pairs of (packages, overlay packages). 6372 // Note: "android", ie framework-res.apk, is handled by native layers. 6373 if (pkg.mOverlayTarget != null) { 6374 // This is an overlay package. 6375 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6376 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6377 mOverlays.put(pkg.mOverlayTarget, 6378 new ArrayMap<String, PackageParser.Package>()); 6379 } 6380 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6381 map.put(pkg.packageName, pkg); 6382 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6383 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6384 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6385 "scanPackageLI failed to createIdmap"); 6386 } 6387 } 6388 } else if (mOverlays.containsKey(pkg.packageName) && 6389 !pkg.packageName.equals("android")) { 6390 // This is a regular package, with one or more known overlay packages. 6391 createIdmapsForPackageLI(pkg); 6392 } 6393 } 6394 6395 return pkg; 6396 } 6397 6398 /** 6399 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6400 * i.e, so that all packages can be run inside a single process if required. 6401 * 6402 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6403 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6404 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6405 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6406 * updating a package that belongs to a shared user. 6407 * 6408 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6409 * adds unnecessary complexity. 6410 */ 6411 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6412 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6413 String requiredInstructionSet = null; 6414 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6415 requiredInstructionSet = VMRuntime.getInstructionSet( 6416 scannedPackage.applicationInfo.primaryCpuAbi); 6417 } 6418 6419 PackageSetting requirer = null; 6420 for (PackageSetting ps : packagesForUser) { 6421 // If packagesForUser contains scannedPackage, we skip it. This will happen 6422 // when scannedPackage is an update of an existing package. Without this check, 6423 // we will never be able to change the ABI of any package belonging to a shared 6424 // user, even if it's compatible with other packages. 6425 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6426 if (ps.primaryCpuAbiString == null) { 6427 continue; 6428 } 6429 6430 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6431 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6432 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6433 // this but there's not much we can do. 6434 String errorMessage = "Instruction set mismatch, " 6435 + ((requirer == null) ? "[caller]" : requirer) 6436 + " requires " + requiredInstructionSet + " whereas " + ps 6437 + " requires " + instructionSet; 6438 Slog.w(TAG, errorMessage); 6439 } 6440 6441 if (requiredInstructionSet == null) { 6442 requiredInstructionSet = instructionSet; 6443 requirer = ps; 6444 } 6445 } 6446 } 6447 6448 if (requiredInstructionSet != null) { 6449 String adjustedAbi; 6450 if (requirer != null) { 6451 // requirer != null implies that either scannedPackage was null or that scannedPackage 6452 // did not require an ABI, in which case we have to adjust scannedPackage to match 6453 // the ABI of the set (which is the same as requirer's ABI) 6454 adjustedAbi = requirer.primaryCpuAbiString; 6455 if (scannedPackage != null) { 6456 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6457 } 6458 } else { 6459 // requirer == null implies that we're updating all ABIs in the set to 6460 // match scannedPackage. 6461 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6462 } 6463 6464 for (PackageSetting ps : packagesForUser) { 6465 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6466 if (ps.primaryCpuAbiString != null) { 6467 continue; 6468 } 6469 6470 ps.primaryCpuAbiString = adjustedAbi; 6471 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6472 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6473 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6474 6475 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6476 deferDexOpt, true) == DEX_OPT_FAILED) { 6477 ps.primaryCpuAbiString = null; 6478 ps.pkg.applicationInfo.primaryCpuAbi = null; 6479 return; 6480 } else { 6481 mInstaller.rmdex(ps.codePathString, 6482 getDexCodeInstructionSet(getPreferredInstructionSet())); 6483 } 6484 } 6485 } 6486 } 6487 } 6488 } 6489 6490 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6491 synchronized (mPackages) { 6492 mResolverReplaced = true; 6493 // Set up information for custom user intent resolution activity. 6494 mResolveActivity.applicationInfo = pkg.applicationInfo; 6495 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6496 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6497 mResolveActivity.processName = pkg.applicationInfo.packageName; 6498 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6499 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6500 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6501 mResolveActivity.theme = 0; 6502 mResolveActivity.exported = true; 6503 mResolveActivity.enabled = true; 6504 mResolveInfo.activityInfo = mResolveActivity; 6505 mResolveInfo.priority = 0; 6506 mResolveInfo.preferredOrder = 0; 6507 mResolveInfo.match = 0; 6508 mResolveComponentName = mCustomResolverComponentName; 6509 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6510 mResolveComponentName); 6511 } 6512 } 6513 6514 private static String calculateBundledApkRoot(final String codePathString) { 6515 final File codePath = new File(codePathString); 6516 final File codeRoot; 6517 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6518 codeRoot = Environment.getRootDirectory(); 6519 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6520 codeRoot = Environment.getOemDirectory(); 6521 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6522 codeRoot = Environment.getVendorDirectory(); 6523 } else { 6524 // Unrecognized code path; take its top real segment as the apk root: 6525 // e.g. /something/app/blah.apk => /something 6526 try { 6527 File f = codePath.getCanonicalFile(); 6528 File parent = f.getParentFile(); // non-null because codePath is a file 6529 File tmp; 6530 while ((tmp = parent.getParentFile()) != null) { 6531 f = parent; 6532 parent = tmp; 6533 } 6534 codeRoot = f; 6535 Slog.w(TAG, "Unrecognized code path " 6536 + codePath + " - using " + codeRoot); 6537 } catch (IOException e) { 6538 // Can't canonicalize the code path -- shenanigans? 6539 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6540 return Environment.getRootDirectory().getPath(); 6541 } 6542 } 6543 return codeRoot.getPath(); 6544 } 6545 6546 /** 6547 * Derive and set the location of native libraries for the given package, 6548 * which varies depending on where and how the package was installed. 6549 */ 6550 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6551 final ApplicationInfo info = pkg.applicationInfo; 6552 final String codePath = pkg.codePath; 6553 final File codeFile = new File(codePath); 6554 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6555 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6556 6557 info.nativeLibraryRootDir = null; 6558 info.nativeLibraryRootRequiresIsa = false; 6559 info.nativeLibraryDir = null; 6560 info.secondaryNativeLibraryDir = null; 6561 6562 if (isApkFile(codeFile)) { 6563 // Monolithic install 6564 if (bundledApp) { 6565 // If "/system/lib64/apkname" exists, assume that is the per-package 6566 // native library directory to use; otherwise use "/system/lib/apkname". 6567 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6568 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6569 getPrimaryInstructionSet(info)); 6570 6571 // This is a bundled system app so choose the path based on the ABI. 6572 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6573 // is just the default path. 6574 final String apkName = deriveCodePathName(codePath); 6575 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6576 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6577 apkName).getAbsolutePath(); 6578 6579 if (info.secondaryCpuAbi != null) { 6580 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6581 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6582 secondaryLibDir, apkName).getAbsolutePath(); 6583 } 6584 } else if (asecApp) { 6585 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6586 .getAbsolutePath(); 6587 } else { 6588 final String apkName = deriveCodePathName(codePath); 6589 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6590 .getAbsolutePath(); 6591 } 6592 6593 info.nativeLibraryRootRequiresIsa = false; 6594 info.nativeLibraryDir = info.nativeLibraryRootDir; 6595 } else { 6596 // Cluster install 6597 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6598 info.nativeLibraryRootRequiresIsa = true; 6599 6600 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6601 getPrimaryInstructionSet(info)).getAbsolutePath(); 6602 6603 if (info.secondaryCpuAbi != null) { 6604 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6605 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6606 } 6607 } 6608 } 6609 6610 /** 6611 * Calculate the abis and roots for a bundled app. These can uniquely 6612 * be determined from the contents of the system partition, i.e whether 6613 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6614 * of this information, and instead assume that the system was built 6615 * sensibly. 6616 */ 6617 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6618 PackageSetting pkgSetting) { 6619 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6620 6621 // If "/system/lib64/apkname" exists, assume that is the per-package 6622 // native library directory to use; otherwise use "/system/lib/apkname". 6623 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6624 setBundledAppAbi(pkg, apkRoot, apkName); 6625 // pkgSetting might be null during rescan following uninstall of updates 6626 // to a bundled app, so accommodate that possibility. The settings in 6627 // that case will be established later from the parsed package. 6628 // 6629 // If the settings aren't null, sync them up with what we've just derived. 6630 // note that apkRoot isn't stored in the package settings. 6631 if (pkgSetting != null) { 6632 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6633 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6634 } 6635 } 6636 6637 /** 6638 * Deduces the ABI of a bundled app and sets the relevant fields on the 6639 * parsed pkg object. 6640 * 6641 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6642 * under which system libraries are installed. 6643 * @param apkName the name of the installed package. 6644 */ 6645 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6646 final File codeFile = new File(pkg.codePath); 6647 6648 final boolean has64BitLibs; 6649 final boolean has32BitLibs; 6650 if (isApkFile(codeFile)) { 6651 // Monolithic install 6652 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6653 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6654 } else { 6655 // Cluster install 6656 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6657 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6658 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6659 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6660 has64BitLibs = (new File(rootDir, isa)).exists(); 6661 } else { 6662 has64BitLibs = false; 6663 } 6664 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6665 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6666 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6667 has32BitLibs = (new File(rootDir, isa)).exists(); 6668 } else { 6669 has32BitLibs = false; 6670 } 6671 } 6672 6673 if (has64BitLibs && !has32BitLibs) { 6674 // The package has 64 bit libs, but not 32 bit libs. Its primary 6675 // ABI should be 64 bit. We can safely assume here that the bundled 6676 // native libraries correspond to the most preferred ABI in the list. 6677 6678 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6679 pkg.applicationInfo.secondaryCpuAbi = null; 6680 } else if (has32BitLibs && !has64BitLibs) { 6681 // The package has 32 bit libs but not 64 bit libs. Its primary 6682 // ABI should be 32 bit. 6683 6684 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6685 pkg.applicationInfo.secondaryCpuAbi = null; 6686 } else if (has32BitLibs && has64BitLibs) { 6687 // The application has both 64 and 32 bit bundled libraries. We check 6688 // here that the app declares multiArch support, and warn if it doesn't. 6689 // 6690 // We will be lenient here and record both ABIs. The primary will be the 6691 // ABI that's higher on the list, i.e, a device that's configured to prefer 6692 // 64 bit apps will see a 64 bit primary ABI, 6693 6694 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6695 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6696 } 6697 6698 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6699 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6700 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6701 } else { 6702 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6703 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6704 } 6705 } else { 6706 pkg.applicationInfo.primaryCpuAbi = null; 6707 pkg.applicationInfo.secondaryCpuAbi = null; 6708 } 6709 } 6710 6711 private void killApplication(String pkgName, int appId, String reason) { 6712 // Request the ActivityManager to kill the process(only for existing packages) 6713 // so that we do not end up in a confused state while the user is still using the older 6714 // version of the application while the new one gets installed. 6715 IActivityManager am = ActivityManagerNative.getDefault(); 6716 if (am != null) { 6717 try { 6718 am.killApplicationWithAppId(pkgName, appId, reason); 6719 } catch (RemoteException e) { 6720 } 6721 } 6722 } 6723 6724 void removePackageLI(PackageSetting ps, boolean chatty) { 6725 if (DEBUG_INSTALL) { 6726 if (chatty) 6727 Log.d(TAG, "Removing package " + ps.name); 6728 } 6729 6730 // writer 6731 synchronized (mPackages) { 6732 mPackages.remove(ps.name); 6733 final PackageParser.Package pkg = ps.pkg; 6734 if (pkg != null) { 6735 cleanPackageDataStructuresLILPw(pkg, chatty); 6736 } 6737 } 6738 } 6739 6740 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6741 if (DEBUG_INSTALL) { 6742 if (chatty) 6743 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6744 } 6745 6746 // writer 6747 synchronized (mPackages) { 6748 mPackages.remove(pkg.applicationInfo.packageName); 6749 cleanPackageDataStructuresLILPw(pkg, chatty); 6750 } 6751 } 6752 6753 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6754 int N = pkg.providers.size(); 6755 StringBuilder r = null; 6756 int i; 6757 for (i=0; i<N; i++) { 6758 PackageParser.Provider p = pkg.providers.get(i); 6759 mProviders.removeProvider(p); 6760 if (p.info.authority == null) { 6761 6762 /* There was another ContentProvider with this authority when 6763 * this app was installed so this authority is null, 6764 * Ignore it as we don't have to unregister the provider. 6765 */ 6766 continue; 6767 } 6768 String names[] = p.info.authority.split(";"); 6769 for (int j = 0; j < names.length; j++) { 6770 if (mProvidersByAuthority.get(names[j]) == p) { 6771 mProvidersByAuthority.remove(names[j]); 6772 if (DEBUG_REMOVE) { 6773 if (chatty) 6774 Log.d(TAG, "Unregistered content provider: " + names[j] 6775 + ", className = " + p.info.name + ", isSyncable = " 6776 + p.info.isSyncable); 6777 } 6778 } 6779 } 6780 if (DEBUG_REMOVE && chatty) { 6781 if (r == null) { 6782 r = new StringBuilder(256); 6783 } else { 6784 r.append(' '); 6785 } 6786 r.append(p.info.name); 6787 } 6788 } 6789 if (r != null) { 6790 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6791 } 6792 6793 N = pkg.services.size(); 6794 r = null; 6795 for (i=0; i<N; i++) { 6796 PackageParser.Service s = pkg.services.get(i); 6797 mServices.removeService(s); 6798 if (chatty) { 6799 if (r == null) { 6800 r = new StringBuilder(256); 6801 } else { 6802 r.append(' '); 6803 } 6804 r.append(s.info.name); 6805 } 6806 } 6807 if (r != null) { 6808 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6809 } 6810 6811 N = pkg.receivers.size(); 6812 r = null; 6813 for (i=0; i<N; i++) { 6814 PackageParser.Activity a = pkg.receivers.get(i); 6815 mReceivers.removeActivity(a, "receiver"); 6816 if (DEBUG_REMOVE && chatty) { 6817 if (r == null) { 6818 r = new StringBuilder(256); 6819 } else { 6820 r.append(' '); 6821 } 6822 r.append(a.info.name); 6823 } 6824 } 6825 if (r != null) { 6826 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6827 } 6828 6829 N = pkg.activities.size(); 6830 r = null; 6831 for (i=0; i<N; i++) { 6832 PackageParser.Activity a = pkg.activities.get(i); 6833 mActivities.removeActivity(a, "activity"); 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, " Activities: " + r); 6845 } 6846 6847 N = pkg.permissions.size(); 6848 r = null; 6849 for (i=0; i<N; i++) { 6850 PackageParser.Permission p = pkg.permissions.get(i); 6851 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6852 if (bp == null) { 6853 bp = mSettings.mPermissionTrees.get(p.info.name); 6854 } 6855 if (bp != null && bp.perm == p) { 6856 bp.perm = null; 6857 if (DEBUG_REMOVE && chatty) { 6858 if (r == null) { 6859 r = new StringBuilder(256); 6860 } else { 6861 r.append(' '); 6862 } 6863 r.append(p.info.name); 6864 } 6865 } 6866 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6867 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6868 if (appOpPerms != null) { 6869 appOpPerms.remove(pkg.packageName); 6870 } 6871 } 6872 } 6873 if (r != null) { 6874 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6875 } 6876 6877 N = pkg.requestedPermissions.size(); 6878 r = null; 6879 for (i=0; i<N; i++) { 6880 String perm = pkg.requestedPermissions.get(i); 6881 BasePermission bp = mSettings.mPermissions.get(perm); 6882 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6883 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6884 if (appOpPerms != null) { 6885 appOpPerms.remove(pkg.packageName); 6886 if (appOpPerms.isEmpty()) { 6887 mAppOpPermissionPackages.remove(perm); 6888 } 6889 } 6890 } 6891 } 6892 if (r != null) { 6893 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6894 } 6895 6896 N = pkg.instrumentation.size(); 6897 r = null; 6898 for (i=0; i<N; i++) { 6899 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6900 mInstrumentation.remove(a.getComponentName()); 6901 if (DEBUG_REMOVE && chatty) { 6902 if (r == null) { 6903 r = new StringBuilder(256); 6904 } else { 6905 r.append(' '); 6906 } 6907 r.append(a.info.name); 6908 } 6909 } 6910 if (r != null) { 6911 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6912 } 6913 6914 r = null; 6915 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6916 // Only system apps can hold shared libraries. 6917 if (pkg.libraryNames != null) { 6918 for (i=0; i<pkg.libraryNames.size(); i++) { 6919 String name = pkg.libraryNames.get(i); 6920 SharedLibraryEntry cur = mSharedLibraries.get(name); 6921 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6922 mSharedLibraries.remove(name); 6923 if (DEBUG_REMOVE && chatty) { 6924 if (r == null) { 6925 r = new StringBuilder(256); 6926 } else { 6927 r.append(' '); 6928 } 6929 r.append(name); 6930 } 6931 } 6932 } 6933 } 6934 } 6935 if (r != null) { 6936 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6937 } 6938 } 6939 6940 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6941 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6942 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6943 return true; 6944 } 6945 } 6946 return false; 6947 } 6948 6949 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6950 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6951 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6952 6953 private void updatePermissionsLPw(String changingPkg, 6954 PackageParser.Package pkgInfo, int flags) { 6955 // Make sure there are no dangling permission trees. 6956 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6957 while (it.hasNext()) { 6958 final BasePermission bp = it.next(); 6959 if (bp.packageSetting == null) { 6960 // We may not yet have parsed the package, so just see if 6961 // we still know about its settings. 6962 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6963 } 6964 if (bp.packageSetting == null) { 6965 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6966 + " from package " + bp.sourcePackage); 6967 it.remove(); 6968 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6969 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6970 Slog.i(TAG, "Removing old permission tree: " + bp.name 6971 + " from package " + bp.sourcePackage); 6972 flags |= UPDATE_PERMISSIONS_ALL; 6973 it.remove(); 6974 } 6975 } 6976 } 6977 6978 // Make sure all dynamic permissions have been assigned to a package, 6979 // and make sure there are no dangling permissions. 6980 it = mSettings.mPermissions.values().iterator(); 6981 while (it.hasNext()) { 6982 final BasePermission bp = it.next(); 6983 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6984 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6985 + bp.name + " pkg=" + bp.sourcePackage 6986 + " info=" + bp.pendingInfo); 6987 if (bp.packageSetting == null && bp.pendingInfo != null) { 6988 final BasePermission tree = findPermissionTreeLP(bp.name); 6989 if (tree != null && tree.perm != null) { 6990 bp.packageSetting = tree.packageSetting; 6991 bp.perm = new PackageParser.Permission(tree.perm.owner, 6992 new PermissionInfo(bp.pendingInfo)); 6993 bp.perm.info.packageName = tree.perm.info.packageName; 6994 bp.perm.info.name = bp.name; 6995 bp.uid = tree.uid; 6996 } 6997 } 6998 } 6999 if (bp.packageSetting == null) { 7000 // We may not yet have parsed the package, so just see if 7001 // we still know about its settings. 7002 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 7003 } 7004 if (bp.packageSetting == null) { 7005 Slog.w(TAG, "Removing dangling permission: " + bp.name 7006 + " from package " + bp.sourcePackage); 7007 it.remove(); 7008 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 7009 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 7010 Slog.i(TAG, "Removing old permission: " + bp.name 7011 + " from package " + bp.sourcePackage); 7012 flags |= UPDATE_PERMISSIONS_ALL; 7013 it.remove(); 7014 } 7015 } 7016 } 7017 7018 // Now update the permissions for all packages, in particular 7019 // replace the granted permissions of the system packages. 7020 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 7021 for (PackageParser.Package pkg : mPackages.values()) { 7022 if (pkg != pkgInfo) { 7023 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 7024 changingPkg); 7025 } 7026 } 7027 } 7028 7029 if (pkgInfo != null) { 7030 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 7031 } 7032 } 7033 7034 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 7035 String packageOfInterest) { 7036 final PackageSetting ps = (PackageSetting) pkg.mExtras; 7037 if (ps == null) { 7038 return; 7039 } 7040 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 7041 ArraySet<String> origPermissions = gp.grantedPermissions; 7042 boolean changedPermission = false; 7043 7044 if (replace) { 7045 ps.permissionsFixed = false; 7046 if (gp == ps) { 7047 origPermissions = new ArraySet<String>(gp.grantedPermissions); 7048 gp.grantedPermissions.clear(); 7049 gp.gids = mGlobalGids; 7050 } 7051 } 7052 7053 if (gp.gids == null) { 7054 gp.gids = mGlobalGids; 7055 } 7056 7057 final int N = pkg.requestedPermissions.size(); 7058 for (int i=0; i<N; i++) { 7059 final String name = pkg.requestedPermissions.get(i); 7060 final boolean required = pkg.requestedPermissionsRequired.get(i); 7061 final BasePermission bp = mSettings.mPermissions.get(name); 7062 if (DEBUG_INSTALL) { 7063 if (gp != ps) { 7064 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 7065 } 7066 } 7067 7068 if (bp == null || bp.packageSetting == null) { 7069 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7070 Slog.w(TAG, "Unknown permission " + name 7071 + " in package " + pkg.packageName); 7072 } 7073 continue; 7074 } 7075 7076 final String perm = bp.name; 7077 boolean allowed; 7078 boolean allowedSig = false; 7079 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7080 // Keep track of app op permissions. 7081 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 7082 if (pkgs == null) { 7083 pkgs = new ArraySet<>(); 7084 mAppOpPermissionPackages.put(bp.name, pkgs); 7085 } 7086 pkgs.add(pkg.packageName); 7087 } 7088 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 7089 if (level == PermissionInfo.PROTECTION_NORMAL 7090 || level == PermissionInfo.PROTECTION_DANGEROUS) { 7091 // We grant a normal or dangerous permission if any of the following 7092 // are true: 7093 // 1) The permission is required 7094 // 2) The permission is optional, but was granted in the past 7095 // 3) The permission is optional, but was requested by an 7096 // app in /system (not /data) 7097 // 7098 // Otherwise, reject the permission. 7099 allowed = (required || origPermissions.contains(perm) 7100 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 7101 } else if (bp.packageSetting == null) { 7102 // This permission is invalid; skip it. 7103 allowed = false; 7104 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 7105 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 7106 if (allowed) { 7107 allowedSig = true; 7108 } 7109 } else { 7110 allowed = false; 7111 } 7112 if (DEBUG_INSTALL) { 7113 if (gp != ps) { 7114 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7115 } 7116 } 7117 if (allowed) { 7118 if (!isSystemApp(ps) && ps.permissionsFixed) { 7119 // If this is an existing, non-system package, then 7120 // we can't add any new permissions to it. 7121 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7122 // Except... if this is a permission that was added 7123 // to the platform (note: need to only do this when 7124 // updating the platform). 7125 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7126 } 7127 } 7128 if (allowed) { 7129 if (!gp.grantedPermissions.contains(perm)) { 7130 changedPermission = true; 7131 gp.grantedPermissions.add(perm); 7132 gp.gids = appendInts(gp.gids, bp.gids); 7133 } else if (!ps.haveGids) { 7134 gp.gids = appendInts(gp.gids, bp.gids); 7135 } 7136 } else { 7137 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7138 Slog.w(TAG, "Not granting permission " + perm 7139 + " to package " + pkg.packageName 7140 + " because it was previously installed without"); 7141 } 7142 } 7143 } else { 7144 if (gp.grantedPermissions.remove(perm)) { 7145 changedPermission = true; 7146 gp.gids = removeInts(gp.gids, bp.gids); 7147 Slog.i(TAG, "Un-granting permission " + perm 7148 + " from package " + pkg.packageName 7149 + " (protectionLevel=" + bp.protectionLevel 7150 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7151 + ")"); 7152 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7153 // Don't print warning for app op permissions, since it is fine for them 7154 // not to be granted, there is a UI for the user to decide. 7155 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7156 Slog.w(TAG, "Not granting permission " + perm 7157 + " to package " + pkg.packageName 7158 + " (protectionLevel=" + bp.protectionLevel 7159 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7160 + ")"); 7161 } 7162 } 7163 } 7164 } 7165 7166 if ((changedPermission || replace) && !ps.permissionsFixed && 7167 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7168 // This is the first that we have heard about this package, so the 7169 // permissions we have now selected are fixed until explicitly 7170 // changed. 7171 ps.permissionsFixed = true; 7172 } 7173 ps.haveGids = true; 7174 } 7175 7176 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7177 boolean allowed = false; 7178 final int NP = PackageParser.NEW_PERMISSIONS.length; 7179 for (int ip=0; ip<NP; ip++) { 7180 final PackageParser.NewPermissionInfo npi 7181 = PackageParser.NEW_PERMISSIONS[ip]; 7182 if (npi.name.equals(perm) 7183 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7184 allowed = true; 7185 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7186 + pkg.packageName); 7187 break; 7188 } 7189 } 7190 return allowed; 7191 } 7192 7193 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7194 BasePermission bp, ArraySet<String> origPermissions) { 7195 boolean allowed; 7196 allowed = (compareSignatures( 7197 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7198 == PackageManager.SIGNATURE_MATCH) 7199 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7200 == PackageManager.SIGNATURE_MATCH); 7201 if (!allowed && (bp.protectionLevel 7202 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7203 if (isSystemApp(pkg)) { 7204 // For updated system applications, a system permission 7205 // is granted only if it had been defined by the original application. 7206 if (isUpdatedSystemApp(pkg)) { 7207 final PackageSetting sysPs = mSettings 7208 .getDisabledSystemPkgLPr(pkg.packageName); 7209 final GrantedPermissions origGp = sysPs.sharedUser != null 7210 ? sysPs.sharedUser : sysPs; 7211 7212 if (origGp.grantedPermissions.contains(perm)) { 7213 // If the original was granted this permission, we take 7214 // that grant decision as read and propagate it to the 7215 // update. 7216 if (sysPs.isPrivileged()) { 7217 allowed = true; 7218 } 7219 } else { 7220 // The system apk may have been updated with an older 7221 // version of the one on the data partition, but which 7222 // granted a new system permission that it didn't have 7223 // before. In this case we do want to allow the app to 7224 // now get the new permission if the ancestral apk is 7225 // privileged to get it. 7226 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7227 for (int j=0; 7228 j<sysPs.pkg.requestedPermissions.size(); j++) { 7229 if (perm.equals( 7230 sysPs.pkg.requestedPermissions.get(j))) { 7231 allowed = true; 7232 break; 7233 } 7234 } 7235 } 7236 } 7237 } else { 7238 allowed = isPrivilegedApp(pkg); 7239 } 7240 } 7241 } 7242 if (!allowed && (bp.protectionLevel 7243 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7244 // For development permissions, a development permission 7245 // is granted only if it was already granted. 7246 allowed = origPermissions.contains(perm); 7247 } 7248 return allowed; 7249 } 7250 7251 final class ActivityIntentResolver 7252 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7253 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7254 boolean defaultOnly, int userId) { 7255 if (!sUserManager.exists(userId)) return null; 7256 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7257 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7258 } 7259 7260 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7261 int userId) { 7262 if (!sUserManager.exists(userId)) return null; 7263 mFlags = flags; 7264 return super.queryIntent(intent, resolvedType, 7265 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7266 } 7267 7268 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7269 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7270 if (!sUserManager.exists(userId)) return null; 7271 if (packageActivities == null) { 7272 return null; 7273 } 7274 mFlags = flags; 7275 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7276 final int N = packageActivities.size(); 7277 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7278 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7279 7280 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7281 for (int i = 0; i < N; ++i) { 7282 intentFilters = packageActivities.get(i).intents; 7283 if (intentFilters != null && intentFilters.size() > 0) { 7284 PackageParser.ActivityIntentInfo[] array = 7285 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7286 intentFilters.toArray(array); 7287 listCut.add(array); 7288 } 7289 } 7290 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7291 } 7292 7293 public final void addActivity(PackageParser.Activity a, String type) { 7294 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7295 mActivities.put(a.getComponentName(), a); 7296 if (DEBUG_SHOW_INFO) 7297 Log.v( 7298 TAG, " " + type + " " + 7299 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7300 if (DEBUG_SHOW_INFO) 7301 Log.v(TAG, " Class=" + a.info.name); 7302 final int NI = a.intents.size(); 7303 for (int j=0; j<NI; j++) { 7304 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7305 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7306 intent.setPriority(0); 7307 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7308 + a.className + " with priority > 0, forcing to 0"); 7309 } 7310 if (DEBUG_SHOW_INFO) { 7311 Log.v(TAG, " IntentFilter:"); 7312 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7313 } 7314 if (!intent.debugCheck()) { 7315 Log.w(TAG, "==> For Activity " + a.info.name); 7316 } 7317 addFilter(intent); 7318 } 7319 } 7320 7321 public final void removeActivity(PackageParser.Activity a, String type) { 7322 mActivities.remove(a.getComponentName()); 7323 if (DEBUG_SHOW_INFO) { 7324 Log.v(TAG, " " + type + " " 7325 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7326 : a.info.name) + ":"); 7327 Log.v(TAG, " Class=" + a.info.name); 7328 } 7329 final int NI = a.intents.size(); 7330 for (int j=0; j<NI; j++) { 7331 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7332 if (DEBUG_SHOW_INFO) { 7333 Log.v(TAG, " IntentFilter:"); 7334 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7335 } 7336 removeFilter(intent); 7337 } 7338 } 7339 7340 @Override 7341 protected boolean allowFilterResult( 7342 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7343 ActivityInfo filterAi = filter.activity.info; 7344 for (int i=dest.size()-1; i>=0; i--) { 7345 ActivityInfo destAi = dest.get(i).activityInfo; 7346 if (destAi.name == filterAi.name 7347 && destAi.packageName == filterAi.packageName) { 7348 return false; 7349 } 7350 } 7351 return true; 7352 } 7353 7354 @Override 7355 protected ActivityIntentInfo[] newArray(int size) { 7356 return new ActivityIntentInfo[size]; 7357 } 7358 7359 @Override 7360 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7361 if (!sUserManager.exists(userId)) return true; 7362 PackageParser.Package p = filter.activity.owner; 7363 if (p != null) { 7364 PackageSetting ps = (PackageSetting)p.mExtras; 7365 if (ps != null) { 7366 // System apps are never considered stopped for purposes of 7367 // filtering, because there may be no way for the user to 7368 // actually re-launch them. 7369 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7370 && ps.getStopped(userId); 7371 } 7372 } 7373 return false; 7374 } 7375 7376 @Override 7377 protected boolean isPackageForFilter(String packageName, 7378 PackageParser.ActivityIntentInfo info) { 7379 return packageName.equals(info.activity.owner.packageName); 7380 } 7381 7382 @Override 7383 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7384 int match, int userId) { 7385 if (!sUserManager.exists(userId)) return null; 7386 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7387 return null; 7388 } 7389 final PackageParser.Activity activity = info.activity; 7390 if (mSafeMode && (activity.info.applicationInfo.flags 7391 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7392 return null; 7393 } 7394 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7395 if (ps == null) { 7396 return null; 7397 } 7398 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7399 ps.readUserState(userId), userId); 7400 if (ai == null) { 7401 return null; 7402 } 7403 final ResolveInfo res = new ResolveInfo(); 7404 res.activityInfo = ai; 7405 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7406 res.filter = info; 7407 } 7408 res.priority = info.getPriority(); 7409 res.preferredOrder = activity.owner.mPreferredOrder; 7410 //System.out.println("Result: " + res.activityInfo.className + 7411 // " = " + res.priority); 7412 res.match = match; 7413 res.isDefault = info.hasDefault; 7414 res.labelRes = info.labelRes; 7415 res.nonLocalizedLabel = info.nonLocalizedLabel; 7416 if (userNeedsBadging(userId)) { 7417 res.noResourceId = true; 7418 } else { 7419 res.icon = info.icon; 7420 } 7421 res.system = isSystemApp(res.activityInfo.applicationInfo); 7422 return res; 7423 } 7424 7425 @Override 7426 protected void sortResults(List<ResolveInfo> results) { 7427 Collections.sort(results, mResolvePrioritySorter); 7428 } 7429 7430 @Override 7431 protected void dumpFilter(PrintWriter out, String prefix, 7432 PackageParser.ActivityIntentInfo filter) { 7433 out.print(prefix); out.print( 7434 Integer.toHexString(System.identityHashCode(filter.activity))); 7435 out.print(' '); 7436 filter.activity.printComponentShortName(out); 7437 out.print(" filter "); 7438 out.println(Integer.toHexString(System.identityHashCode(filter))); 7439 } 7440 7441 @Override 7442 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7443 return filter.activity; 7444 } 7445 7446 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7447 PackageParser.Activity activity = (PackageParser.Activity)label; 7448 out.print(prefix); out.print( 7449 Integer.toHexString(System.identityHashCode(activity))); 7450 out.print(' '); 7451 activity.printComponentShortName(out); 7452 if (count > 1) { 7453 out.print(" ("); out.print(count); out.print(" filters)"); 7454 } 7455 out.println(); 7456 } 7457 7458// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7459// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7460// final List<ResolveInfo> retList = Lists.newArrayList(); 7461// while (i.hasNext()) { 7462// final ResolveInfo resolveInfo = i.next(); 7463// if (isEnabledLP(resolveInfo.activityInfo)) { 7464// retList.add(resolveInfo); 7465// } 7466// } 7467// return retList; 7468// } 7469 7470 // Keys are String (activity class name), values are Activity. 7471 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7472 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7473 private int mFlags; 7474 } 7475 7476 private final class ServiceIntentResolver 7477 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7478 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7479 boolean defaultOnly, int userId) { 7480 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7481 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7482 } 7483 7484 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7485 int userId) { 7486 if (!sUserManager.exists(userId)) return null; 7487 mFlags = flags; 7488 return super.queryIntent(intent, resolvedType, 7489 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7490 } 7491 7492 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7493 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7494 if (!sUserManager.exists(userId)) return null; 7495 if (packageServices == null) { 7496 return null; 7497 } 7498 mFlags = flags; 7499 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7500 final int N = packageServices.size(); 7501 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7502 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7503 7504 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7505 for (int i = 0; i < N; ++i) { 7506 intentFilters = packageServices.get(i).intents; 7507 if (intentFilters != null && intentFilters.size() > 0) { 7508 PackageParser.ServiceIntentInfo[] array = 7509 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7510 intentFilters.toArray(array); 7511 listCut.add(array); 7512 } 7513 } 7514 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7515 } 7516 7517 public final void addService(PackageParser.Service s) { 7518 mServices.put(s.getComponentName(), s); 7519 if (DEBUG_SHOW_INFO) { 7520 Log.v(TAG, " " 7521 + (s.info.nonLocalizedLabel != null 7522 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7523 Log.v(TAG, " Class=" + s.info.name); 7524 } 7525 final int NI = s.intents.size(); 7526 int j; 7527 for (j=0; j<NI; j++) { 7528 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7529 if (DEBUG_SHOW_INFO) { 7530 Log.v(TAG, " IntentFilter:"); 7531 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7532 } 7533 if (!intent.debugCheck()) { 7534 Log.w(TAG, "==> For Service " + s.info.name); 7535 } 7536 addFilter(intent); 7537 } 7538 } 7539 7540 public final void removeService(PackageParser.Service s) { 7541 mServices.remove(s.getComponentName()); 7542 if (DEBUG_SHOW_INFO) { 7543 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7544 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7545 Log.v(TAG, " Class=" + s.info.name); 7546 } 7547 final int NI = s.intents.size(); 7548 int j; 7549 for (j=0; j<NI; j++) { 7550 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7551 if (DEBUG_SHOW_INFO) { 7552 Log.v(TAG, " IntentFilter:"); 7553 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7554 } 7555 removeFilter(intent); 7556 } 7557 } 7558 7559 @Override 7560 protected boolean allowFilterResult( 7561 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7562 ServiceInfo filterSi = filter.service.info; 7563 for (int i=dest.size()-1; i>=0; i--) { 7564 ServiceInfo destAi = dest.get(i).serviceInfo; 7565 if (destAi.name == filterSi.name 7566 && destAi.packageName == filterSi.packageName) { 7567 return false; 7568 } 7569 } 7570 return true; 7571 } 7572 7573 @Override 7574 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7575 return new PackageParser.ServiceIntentInfo[size]; 7576 } 7577 7578 @Override 7579 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7580 if (!sUserManager.exists(userId)) return true; 7581 PackageParser.Package p = filter.service.owner; 7582 if (p != null) { 7583 PackageSetting ps = (PackageSetting)p.mExtras; 7584 if (ps != null) { 7585 // System apps are never considered stopped for purposes of 7586 // filtering, because there may be no way for the user to 7587 // actually re-launch them. 7588 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7589 && ps.getStopped(userId); 7590 } 7591 } 7592 return false; 7593 } 7594 7595 @Override 7596 protected boolean isPackageForFilter(String packageName, 7597 PackageParser.ServiceIntentInfo info) { 7598 return packageName.equals(info.service.owner.packageName); 7599 } 7600 7601 @Override 7602 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7603 int match, int userId) { 7604 if (!sUserManager.exists(userId)) return null; 7605 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7606 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7607 return null; 7608 } 7609 final PackageParser.Service service = info.service; 7610 if (mSafeMode && (service.info.applicationInfo.flags 7611 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7612 return null; 7613 } 7614 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7615 if (ps == null) { 7616 return null; 7617 } 7618 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7619 ps.readUserState(userId), userId); 7620 if (si == null) { 7621 return null; 7622 } 7623 final ResolveInfo res = new ResolveInfo(); 7624 res.serviceInfo = si; 7625 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7626 res.filter = filter; 7627 } 7628 res.priority = info.getPriority(); 7629 res.preferredOrder = service.owner.mPreferredOrder; 7630 //System.out.println("Result: " + res.activityInfo.className + 7631 // " = " + res.priority); 7632 res.match = match; 7633 res.isDefault = info.hasDefault; 7634 res.labelRes = info.labelRes; 7635 res.nonLocalizedLabel = info.nonLocalizedLabel; 7636 res.icon = info.icon; 7637 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7638 return res; 7639 } 7640 7641 @Override 7642 protected void sortResults(List<ResolveInfo> results) { 7643 Collections.sort(results, mResolvePrioritySorter); 7644 } 7645 7646 @Override 7647 protected void dumpFilter(PrintWriter out, String prefix, 7648 PackageParser.ServiceIntentInfo filter) { 7649 out.print(prefix); out.print( 7650 Integer.toHexString(System.identityHashCode(filter.service))); 7651 out.print(' '); 7652 filter.service.printComponentShortName(out); 7653 out.print(" filter "); 7654 out.println(Integer.toHexString(System.identityHashCode(filter))); 7655 } 7656 7657 @Override 7658 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7659 return filter.service; 7660 } 7661 7662 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7663 PackageParser.Service service = (PackageParser.Service)label; 7664 out.print(prefix); out.print( 7665 Integer.toHexString(System.identityHashCode(service))); 7666 out.print(' '); 7667 service.printComponentShortName(out); 7668 if (count > 1) { 7669 out.print(" ("); out.print(count); out.print(" filters)"); 7670 } 7671 out.println(); 7672 } 7673 7674// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7675// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7676// final List<ResolveInfo> retList = Lists.newArrayList(); 7677// while (i.hasNext()) { 7678// final ResolveInfo resolveInfo = (ResolveInfo) i; 7679// if (isEnabledLP(resolveInfo.serviceInfo)) { 7680// retList.add(resolveInfo); 7681// } 7682// } 7683// return retList; 7684// } 7685 7686 // Keys are String (activity class name), values are Activity. 7687 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7688 = new ArrayMap<ComponentName, PackageParser.Service>(); 7689 private int mFlags; 7690 }; 7691 7692 private final class ProviderIntentResolver 7693 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7694 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7695 boolean defaultOnly, int userId) { 7696 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7697 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7698 } 7699 7700 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7701 int userId) { 7702 if (!sUserManager.exists(userId)) 7703 return null; 7704 mFlags = flags; 7705 return super.queryIntent(intent, resolvedType, 7706 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7707 } 7708 7709 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7710 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7711 if (!sUserManager.exists(userId)) 7712 return null; 7713 if (packageProviders == null) { 7714 return null; 7715 } 7716 mFlags = flags; 7717 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7718 final int N = packageProviders.size(); 7719 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7720 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7721 7722 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7723 for (int i = 0; i < N; ++i) { 7724 intentFilters = packageProviders.get(i).intents; 7725 if (intentFilters != null && intentFilters.size() > 0) { 7726 PackageParser.ProviderIntentInfo[] array = 7727 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7728 intentFilters.toArray(array); 7729 listCut.add(array); 7730 } 7731 } 7732 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7733 } 7734 7735 public final void addProvider(PackageParser.Provider p) { 7736 if (mProviders.containsKey(p.getComponentName())) { 7737 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7738 return; 7739 } 7740 7741 mProviders.put(p.getComponentName(), p); 7742 if (DEBUG_SHOW_INFO) { 7743 Log.v(TAG, " " 7744 + (p.info.nonLocalizedLabel != null 7745 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7746 Log.v(TAG, " Class=" + p.info.name); 7747 } 7748 final int NI = p.intents.size(); 7749 int j; 7750 for (j = 0; j < NI; j++) { 7751 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7752 if (DEBUG_SHOW_INFO) { 7753 Log.v(TAG, " IntentFilter:"); 7754 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7755 } 7756 if (!intent.debugCheck()) { 7757 Log.w(TAG, "==> For Provider " + p.info.name); 7758 } 7759 addFilter(intent); 7760 } 7761 } 7762 7763 public final void removeProvider(PackageParser.Provider p) { 7764 mProviders.remove(p.getComponentName()); 7765 if (DEBUG_SHOW_INFO) { 7766 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7767 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7768 Log.v(TAG, " Class=" + p.info.name); 7769 } 7770 final int NI = p.intents.size(); 7771 int j; 7772 for (j = 0; j < NI; j++) { 7773 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7774 if (DEBUG_SHOW_INFO) { 7775 Log.v(TAG, " IntentFilter:"); 7776 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7777 } 7778 removeFilter(intent); 7779 } 7780 } 7781 7782 @Override 7783 protected boolean allowFilterResult( 7784 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7785 ProviderInfo filterPi = filter.provider.info; 7786 for (int i = dest.size() - 1; i >= 0; i--) { 7787 ProviderInfo destPi = dest.get(i).providerInfo; 7788 if (destPi.name == filterPi.name 7789 && destPi.packageName == filterPi.packageName) { 7790 return false; 7791 } 7792 } 7793 return true; 7794 } 7795 7796 @Override 7797 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7798 return new PackageParser.ProviderIntentInfo[size]; 7799 } 7800 7801 @Override 7802 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7803 if (!sUserManager.exists(userId)) 7804 return true; 7805 PackageParser.Package p = filter.provider.owner; 7806 if (p != null) { 7807 PackageSetting ps = (PackageSetting) p.mExtras; 7808 if (ps != null) { 7809 // System apps are never considered stopped for purposes of 7810 // filtering, because there may be no way for the user to 7811 // actually re-launch them. 7812 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7813 && ps.getStopped(userId); 7814 } 7815 } 7816 return false; 7817 } 7818 7819 @Override 7820 protected boolean isPackageForFilter(String packageName, 7821 PackageParser.ProviderIntentInfo info) { 7822 return packageName.equals(info.provider.owner.packageName); 7823 } 7824 7825 @Override 7826 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7827 int match, int userId) { 7828 if (!sUserManager.exists(userId)) 7829 return null; 7830 final PackageParser.ProviderIntentInfo info = filter; 7831 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7832 return null; 7833 } 7834 final PackageParser.Provider provider = info.provider; 7835 if (mSafeMode && (provider.info.applicationInfo.flags 7836 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7837 return null; 7838 } 7839 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7840 if (ps == null) { 7841 return null; 7842 } 7843 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7844 ps.readUserState(userId), userId); 7845 if (pi == null) { 7846 return null; 7847 } 7848 final ResolveInfo res = new ResolveInfo(); 7849 res.providerInfo = pi; 7850 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7851 res.filter = filter; 7852 } 7853 res.priority = info.getPriority(); 7854 res.preferredOrder = provider.owner.mPreferredOrder; 7855 res.match = match; 7856 res.isDefault = info.hasDefault; 7857 res.labelRes = info.labelRes; 7858 res.nonLocalizedLabel = info.nonLocalizedLabel; 7859 res.icon = info.icon; 7860 res.system = isSystemApp(res.providerInfo.applicationInfo); 7861 return res; 7862 } 7863 7864 @Override 7865 protected void sortResults(List<ResolveInfo> results) { 7866 Collections.sort(results, mResolvePrioritySorter); 7867 } 7868 7869 @Override 7870 protected void dumpFilter(PrintWriter out, String prefix, 7871 PackageParser.ProviderIntentInfo filter) { 7872 out.print(prefix); 7873 out.print( 7874 Integer.toHexString(System.identityHashCode(filter.provider))); 7875 out.print(' '); 7876 filter.provider.printComponentShortName(out); 7877 out.print(" filter "); 7878 out.println(Integer.toHexString(System.identityHashCode(filter))); 7879 } 7880 7881 @Override 7882 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7883 return filter.provider; 7884 } 7885 7886 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7887 PackageParser.Provider provider = (PackageParser.Provider)label; 7888 out.print(prefix); out.print( 7889 Integer.toHexString(System.identityHashCode(provider))); 7890 out.print(' '); 7891 provider.printComponentShortName(out); 7892 if (count > 1) { 7893 out.print(" ("); out.print(count); out.print(" filters)"); 7894 } 7895 out.println(); 7896 } 7897 7898 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7899 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7900 private int mFlags; 7901 }; 7902 7903 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7904 new Comparator<ResolveInfo>() { 7905 public int compare(ResolveInfo r1, ResolveInfo r2) { 7906 int v1 = r1.priority; 7907 int v2 = r2.priority; 7908 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7909 if (v1 != v2) { 7910 return (v1 > v2) ? -1 : 1; 7911 } 7912 v1 = r1.preferredOrder; 7913 v2 = r2.preferredOrder; 7914 if (v1 != v2) { 7915 return (v1 > v2) ? -1 : 1; 7916 } 7917 if (r1.isDefault != r2.isDefault) { 7918 return r1.isDefault ? -1 : 1; 7919 } 7920 v1 = r1.match; 7921 v2 = r2.match; 7922 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7923 if (v1 != v2) { 7924 return (v1 > v2) ? -1 : 1; 7925 } 7926 if (r1.system != r2.system) { 7927 return r1.system ? -1 : 1; 7928 } 7929 return 0; 7930 } 7931 }; 7932 7933 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7934 new Comparator<ProviderInfo>() { 7935 public int compare(ProviderInfo p1, ProviderInfo p2) { 7936 final int v1 = p1.initOrder; 7937 final int v2 = p2.initOrder; 7938 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7939 } 7940 }; 7941 7942 static final void sendPackageBroadcast(String action, String pkg, 7943 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7944 int[] userIds) { 7945 IActivityManager am = ActivityManagerNative.getDefault(); 7946 if (am != null) { 7947 try { 7948 if (userIds == null) { 7949 userIds = am.getRunningUserIds(); 7950 } 7951 for (int id : userIds) { 7952 final Intent intent = new Intent(action, 7953 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7954 if (extras != null) { 7955 intent.putExtras(extras); 7956 } 7957 if (targetPkg != null) { 7958 intent.setPackage(targetPkg); 7959 } 7960 // Modify the UID when posting to other users 7961 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7962 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7963 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7964 intent.putExtra(Intent.EXTRA_UID, uid); 7965 } 7966 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7967 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7968 if (DEBUG_BROADCASTS) { 7969 RuntimeException here = new RuntimeException("here"); 7970 here.fillInStackTrace(); 7971 Slog.d(TAG, "Sending to user " + id + ": " 7972 + intent.toShortString(false, true, false, false) 7973 + " " + intent.getExtras(), here); 7974 } 7975 am.broadcastIntent(null, intent, null, finishedReceiver, 7976 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7977 finishedReceiver != null, false, id); 7978 } 7979 } catch (RemoteException ex) { 7980 } 7981 } 7982 } 7983 7984 /** 7985 * Check if the external storage media is available. This is true if there 7986 * is a mounted external storage medium or if the external storage is 7987 * emulated. 7988 */ 7989 private boolean isExternalMediaAvailable() { 7990 return mMediaMounted || Environment.isExternalStorageEmulated(); 7991 } 7992 7993 @Override 7994 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7995 // writer 7996 synchronized (mPackages) { 7997 if (!isExternalMediaAvailable()) { 7998 // If the external storage is no longer mounted at this point, 7999 // the caller may not have been able to delete all of this 8000 // packages files and can not delete any more. Bail. 8001 return null; 8002 } 8003 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 8004 if (lastPackage != null) { 8005 pkgs.remove(lastPackage); 8006 } 8007 if (pkgs.size() > 0) { 8008 return pkgs.get(0); 8009 } 8010 } 8011 return null; 8012 } 8013 8014 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 8015 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 8016 userId, andCode ? 1 : 0, packageName); 8017 if (mSystemReady) { 8018 msg.sendToTarget(); 8019 } else { 8020 if (mPostSystemReadyMessages == null) { 8021 mPostSystemReadyMessages = new ArrayList<>(); 8022 } 8023 mPostSystemReadyMessages.add(msg); 8024 } 8025 } 8026 8027 void startCleaningPackages() { 8028 // reader 8029 synchronized (mPackages) { 8030 if (!isExternalMediaAvailable()) { 8031 return; 8032 } 8033 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 8034 return; 8035 } 8036 } 8037 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 8038 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 8039 IActivityManager am = ActivityManagerNative.getDefault(); 8040 if (am != null) { 8041 try { 8042 am.startService(null, intent, null, UserHandle.USER_OWNER); 8043 } catch (RemoteException e) { 8044 } 8045 } 8046 } 8047 8048 @Override 8049 public void installPackage(String originPath, IPackageInstallObserver2 observer, 8050 int installFlags, String installerPackageName, VerificationParams verificationParams, 8051 String packageAbiOverride) { 8052 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 8053 packageAbiOverride, UserHandle.getCallingUserId()); 8054 } 8055 8056 @Override 8057 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 8058 int installFlags, String installerPackageName, VerificationParams verificationParams, 8059 String packageAbiOverride, int userId) { 8060 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 8061 8062 final int callingUid = Binder.getCallingUid(); 8063 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 8064 8065 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8066 try { 8067 if (observer != null) { 8068 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 8069 } 8070 } catch (RemoteException re) { 8071 } 8072 return; 8073 } 8074 8075 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 8076 installFlags |= PackageManager.INSTALL_FROM_ADB; 8077 8078 } else { 8079 // Caller holds INSTALL_PACKAGES permission, so we're less strict 8080 // about installerPackageName. 8081 8082 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 8083 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 8084 } 8085 8086 UserHandle user; 8087 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 8088 user = UserHandle.ALL; 8089 } else { 8090 user = new UserHandle(userId); 8091 } 8092 8093 verificationParams.setInstallerUid(callingUid); 8094 8095 final File originFile = new File(originPath); 8096 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 8097 8098 final Message msg = mHandler.obtainMessage(INIT_COPY); 8099 msg.obj = new InstallParams(origin, observer, installFlags, 8100 installerPackageName, verificationParams, user, packageAbiOverride); 8101 mHandler.sendMessage(msg); 8102 } 8103 8104 void installStage(String packageName, File stagedDir, String stagedCid, 8105 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 8106 String installerPackageName, int installerUid, UserHandle user) { 8107 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 8108 params.referrerUri, installerUid, null); 8109 8110 final OriginInfo origin; 8111 if (stagedDir != null) { 8112 origin = OriginInfo.fromStagedFile(stagedDir); 8113 } else { 8114 origin = OriginInfo.fromStagedContainer(stagedCid); 8115 } 8116 8117 final Message msg = mHandler.obtainMessage(INIT_COPY); 8118 msg.obj = new InstallParams(origin, observer, params.installFlags, 8119 installerPackageName, verifParams, user, params.abiOverride); 8120 mHandler.sendMessage(msg); 8121 } 8122 8123 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 8124 Bundle extras = new Bundle(1); 8125 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 8126 8127 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 8128 packageName, extras, null, null, new int[] {userId}); 8129 try { 8130 IActivityManager am = ActivityManagerNative.getDefault(); 8131 final boolean isSystem = 8132 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 8133 if (isSystem && am.isUserRunning(userId, false)) { 8134 // The just-installed/enabled app is bundled on the system, so presumed 8135 // to be able to run automatically without needing an explicit launch. 8136 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 8137 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 8138 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 8139 .setPackage(packageName); 8140 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 8141 android.app.AppOpsManager.OP_NONE, false, false, userId); 8142 } 8143 } catch (RemoteException e) { 8144 // shouldn't happen 8145 Slog.w(TAG, "Unable to bootstrap installed package", e); 8146 } 8147 } 8148 8149 @Override 8150 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 8151 int userId) { 8152 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8153 PackageSetting pkgSetting; 8154 final int uid = Binder.getCallingUid(); 8155 enforceCrossUserPermission(uid, userId, true, true, 8156 "setApplicationHiddenSetting for user " + userId); 8157 8158 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8159 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8160 return false; 8161 } 8162 8163 long callingId = Binder.clearCallingIdentity(); 8164 try { 8165 boolean sendAdded = false; 8166 boolean sendRemoved = false; 8167 // writer 8168 synchronized (mPackages) { 8169 pkgSetting = mSettings.mPackages.get(packageName); 8170 if (pkgSetting == null) { 8171 return false; 8172 } 8173 if (pkgSetting.getHidden(userId) != hidden) { 8174 pkgSetting.setHidden(hidden, userId); 8175 mSettings.writePackageRestrictionsLPr(userId); 8176 if (hidden) { 8177 sendRemoved = true; 8178 } else { 8179 sendAdded = true; 8180 } 8181 } 8182 } 8183 if (sendAdded) { 8184 sendPackageAddedForUser(packageName, pkgSetting, userId); 8185 return true; 8186 } 8187 if (sendRemoved) { 8188 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8189 "hiding pkg"); 8190 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8191 } 8192 } finally { 8193 Binder.restoreCallingIdentity(callingId); 8194 } 8195 return false; 8196 } 8197 8198 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8199 int userId) { 8200 final PackageRemovedInfo info = new PackageRemovedInfo(); 8201 info.removedPackage = packageName; 8202 info.removedUsers = new int[] {userId}; 8203 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8204 info.sendBroadcast(false, false, false); 8205 } 8206 8207 /** 8208 * Returns true if application is not found or there was an error. Otherwise it returns 8209 * the hidden state of the package for the given user. 8210 */ 8211 @Override 8212 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8213 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8214 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8215 false, "getApplicationHidden for user " + userId); 8216 PackageSetting pkgSetting; 8217 long callingId = Binder.clearCallingIdentity(); 8218 try { 8219 // writer 8220 synchronized (mPackages) { 8221 pkgSetting = mSettings.mPackages.get(packageName); 8222 if (pkgSetting == null) { 8223 return true; 8224 } 8225 return pkgSetting.getHidden(userId); 8226 } 8227 } finally { 8228 Binder.restoreCallingIdentity(callingId); 8229 } 8230 } 8231 8232 /** 8233 * @hide 8234 */ 8235 @Override 8236 public int installExistingPackageAsUser(String packageName, int userId) { 8237 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8238 null); 8239 PackageSetting pkgSetting; 8240 final int uid = Binder.getCallingUid(); 8241 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8242 + userId); 8243 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8244 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8245 } 8246 8247 long callingId = Binder.clearCallingIdentity(); 8248 try { 8249 boolean sendAdded = false; 8250 Bundle extras = new Bundle(1); 8251 8252 // writer 8253 synchronized (mPackages) { 8254 pkgSetting = mSettings.mPackages.get(packageName); 8255 if (pkgSetting == null) { 8256 return PackageManager.INSTALL_FAILED_INVALID_URI; 8257 } 8258 if (!pkgSetting.getInstalled(userId)) { 8259 pkgSetting.setInstalled(true, userId); 8260 pkgSetting.setHidden(false, userId); 8261 mSettings.writePackageRestrictionsLPr(userId); 8262 sendAdded = true; 8263 } 8264 } 8265 8266 if (sendAdded) { 8267 sendPackageAddedForUser(packageName, pkgSetting, userId); 8268 } 8269 } finally { 8270 Binder.restoreCallingIdentity(callingId); 8271 } 8272 8273 return PackageManager.INSTALL_SUCCEEDED; 8274 } 8275 8276 boolean isUserRestricted(int userId, String restrictionKey) { 8277 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8278 if (restrictions.getBoolean(restrictionKey, false)) { 8279 Log.w(TAG, "User is restricted: " + restrictionKey); 8280 return true; 8281 } 8282 return false; 8283 } 8284 8285 @Override 8286 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8287 mContext.enforceCallingOrSelfPermission( 8288 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8289 "Only package verification agents can verify applications"); 8290 8291 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8292 final PackageVerificationResponse response = new PackageVerificationResponse( 8293 verificationCode, Binder.getCallingUid()); 8294 msg.arg1 = id; 8295 msg.obj = response; 8296 mHandler.sendMessage(msg); 8297 } 8298 8299 @Override 8300 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8301 long millisecondsToDelay) { 8302 mContext.enforceCallingOrSelfPermission( 8303 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8304 "Only package verification agents can extend verification timeouts"); 8305 8306 final PackageVerificationState state = mPendingVerification.get(id); 8307 final PackageVerificationResponse response = new PackageVerificationResponse( 8308 verificationCodeAtTimeout, Binder.getCallingUid()); 8309 8310 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8311 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8312 } 8313 if (millisecondsToDelay < 0) { 8314 millisecondsToDelay = 0; 8315 } 8316 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8317 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8318 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8319 } 8320 8321 if ((state != null) && !state.timeoutExtended()) { 8322 state.extendTimeout(); 8323 8324 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8325 msg.arg1 = id; 8326 msg.obj = response; 8327 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8328 } 8329 } 8330 8331 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8332 int verificationCode, UserHandle user) { 8333 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8334 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8335 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8336 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8337 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8338 8339 mContext.sendBroadcastAsUser(intent, user, 8340 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8341 } 8342 8343 private ComponentName matchComponentForVerifier(String packageName, 8344 List<ResolveInfo> receivers) { 8345 ActivityInfo targetReceiver = null; 8346 8347 final int NR = receivers.size(); 8348 for (int i = 0; i < NR; i++) { 8349 final ResolveInfo info = receivers.get(i); 8350 if (info.activityInfo == null) { 8351 continue; 8352 } 8353 8354 if (packageName.equals(info.activityInfo.packageName)) { 8355 targetReceiver = info.activityInfo; 8356 break; 8357 } 8358 } 8359 8360 if (targetReceiver == null) { 8361 return null; 8362 } 8363 8364 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8365 } 8366 8367 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8368 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8369 if (pkgInfo.verifiers.length == 0) { 8370 return null; 8371 } 8372 8373 final int N = pkgInfo.verifiers.length; 8374 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8375 for (int i = 0; i < N; i++) { 8376 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8377 8378 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8379 receivers); 8380 if (comp == null) { 8381 continue; 8382 } 8383 8384 final int verifierUid = getUidForVerifier(verifierInfo); 8385 if (verifierUid == -1) { 8386 continue; 8387 } 8388 8389 if (DEBUG_VERIFY) { 8390 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8391 + " with the correct signature"); 8392 } 8393 sufficientVerifiers.add(comp); 8394 verificationState.addSufficientVerifier(verifierUid); 8395 } 8396 8397 return sufficientVerifiers; 8398 } 8399 8400 private int getUidForVerifier(VerifierInfo verifierInfo) { 8401 synchronized (mPackages) { 8402 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8403 if (pkg == null) { 8404 return -1; 8405 } else if (pkg.mSignatures.length != 1) { 8406 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8407 + " has more than one signature; ignoring"); 8408 return -1; 8409 } 8410 8411 /* 8412 * If the public key of the package's signature does not match 8413 * our expected public key, then this is a different package and 8414 * we should skip. 8415 */ 8416 8417 final byte[] expectedPublicKey; 8418 try { 8419 final Signature verifierSig = pkg.mSignatures[0]; 8420 final PublicKey publicKey = verifierSig.getPublicKey(); 8421 expectedPublicKey = publicKey.getEncoded(); 8422 } catch (CertificateException e) { 8423 return -1; 8424 } 8425 8426 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8427 8428 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8429 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8430 + " does not have the expected public key; ignoring"); 8431 return -1; 8432 } 8433 8434 return pkg.applicationInfo.uid; 8435 } 8436 } 8437 8438 @Override 8439 public void finishPackageInstall(int token) { 8440 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8441 8442 if (DEBUG_INSTALL) { 8443 Slog.v(TAG, "BM finishing package install for " + token); 8444 } 8445 8446 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8447 mHandler.sendMessage(msg); 8448 } 8449 8450 /** 8451 * Get the verification agent timeout. 8452 * 8453 * @return verification timeout in milliseconds 8454 */ 8455 private long getVerificationTimeout() { 8456 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8457 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8458 DEFAULT_VERIFICATION_TIMEOUT); 8459 } 8460 8461 /** 8462 * Get the default verification agent response code. 8463 * 8464 * @return default verification response code 8465 */ 8466 private int getDefaultVerificationResponse() { 8467 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8468 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8469 DEFAULT_VERIFICATION_RESPONSE); 8470 } 8471 8472 /** 8473 * Check whether or not package verification has been enabled. 8474 * 8475 * @return true if verification should be performed 8476 */ 8477 private boolean isVerificationEnabled(int userId, int installFlags) { 8478 if (!DEFAULT_VERIFY_ENABLE) { 8479 return false; 8480 } 8481 8482 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8483 8484 // Check if installing from ADB 8485 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8486 // Do not run verification in a test harness environment 8487 if (ActivityManager.isRunningInTestHarness()) { 8488 return false; 8489 } 8490 if (ensureVerifyAppsEnabled) { 8491 return true; 8492 } 8493 // Check if the developer does not want package verification for ADB installs 8494 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8495 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8496 return false; 8497 } 8498 } 8499 8500 if (ensureVerifyAppsEnabled) { 8501 return true; 8502 } 8503 8504 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8505 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8506 } 8507 8508 /** 8509 * Get the "allow unknown sources" setting. 8510 * 8511 * @return the current "allow unknown sources" setting 8512 */ 8513 private int getUnknownSourcesSettings() { 8514 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8515 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8516 -1); 8517 } 8518 8519 @Override 8520 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8521 final int uid = Binder.getCallingUid(); 8522 // writer 8523 synchronized (mPackages) { 8524 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8525 if (targetPackageSetting == null) { 8526 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8527 } 8528 8529 PackageSetting installerPackageSetting; 8530 if (installerPackageName != null) { 8531 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8532 if (installerPackageSetting == null) { 8533 throw new IllegalArgumentException("Unknown installer package: " 8534 + installerPackageName); 8535 } 8536 } else { 8537 installerPackageSetting = null; 8538 } 8539 8540 Signature[] callerSignature; 8541 Object obj = mSettings.getUserIdLPr(uid); 8542 if (obj != null) { 8543 if (obj instanceof SharedUserSetting) { 8544 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8545 } else if (obj instanceof PackageSetting) { 8546 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8547 } else { 8548 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8549 } 8550 } else { 8551 throw new SecurityException("Unknown calling uid " + uid); 8552 } 8553 8554 // Verify: can't set installerPackageName to a package that is 8555 // not signed with the same cert as the caller. 8556 if (installerPackageSetting != null) { 8557 if (compareSignatures(callerSignature, 8558 installerPackageSetting.signatures.mSignatures) 8559 != PackageManager.SIGNATURE_MATCH) { 8560 throw new SecurityException( 8561 "Caller does not have same cert as new installer package " 8562 + installerPackageName); 8563 } 8564 } 8565 8566 // Verify: if target already has an installer package, it must 8567 // be signed with the same cert as the caller. 8568 if (targetPackageSetting.installerPackageName != null) { 8569 PackageSetting setting = mSettings.mPackages.get( 8570 targetPackageSetting.installerPackageName); 8571 // If the currently set package isn't valid, then it's always 8572 // okay to change it. 8573 if (setting != null) { 8574 if (compareSignatures(callerSignature, 8575 setting.signatures.mSignatures) 8576 != PackageManager.SIGNATURE_MATCH) { 8577 throw new SecurityException( 8578 "Caller does not have same cert as old installer package " 8579 + targetPackageSetting.installerPackageName); 8580 } 8581 } 8582 } 8583 8584 // Okay! 8585 targetPackageSetting.installerPackageName = installerPackageName; 8586 scheduleWriteSettingsLocked(); 8587 } 8588 } 8589 8590 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8591 // Queue up an async operation since the package installation may take a little while. 8592 mHandler.post(new Runnable() { 8593 public void run() { 8594 mHandler.removeCallbacks(this); 8595 // Result object to be returned 8596 PackageInstalledInfo res = new PackageInstalledInfo(); 8597 res.returnCode = currentStatus; 8598 res.uid = -1; 8599 res.pkg = null; 8600 res.removedInfo = new PackageRemovedInfo(); 8601 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8602 args.doPreInstall(res.returnCode); 8603 synchronized (mInstallLock) { 8604 installPackageLI(args, res); 8605 } 8606 args.doPostInstall(res.returnCode, res.uid); 8607 } 8608 8609 // A restore should be performed at this point if (a) the install 8610 // succeeded, (b) the operation is not an update, and (c) the new 8611 // package has not opted out of backup participation. 8612 final boolean update = res.removedInfo.removedPackage != null; 8613 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8614 boolean doRestore = !update 8615 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8616 8617 // Set up the post-install work request bookkeeping. This will be used 8618 // and cleaned up by the post-install event handling regardless of whether 8619 // there's a restore pass performed. Token values are >= 1. 8620 int token; 8621 if (mNextInstallToken < 0) mNextInstallToken = 1; 8622 token = mNextInstallToken++; 8623 8624 PostInstallData data = new PostInstallData(args, res); 8625 mRunningInstalls.put(token, data); 8626 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8627 8628 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8629 // Pass responsibility to the Backup Manager. It will perform a 8630 // restore if appropriate, then pass responsibility back to the 8631 // Package Manager to run the post-install observer callbacks 8632 // and broadcasts. 8633 IBackupManager bm = IBackupManager.Stub.asInterface( 8634 ServiceManager.getService(Context.BACKUP_SERVICE)); 8635 if (bm != null) { 8636 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8637 + " to BM for possible restore"); 8638 try { 8639 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8640 } catch (RemoteException e) { 8641 // can't happen; the backup manager is local 8642 } catch (Exception e) { 8643 Slog.e(TAG, "Exception trying to enqueue restore", e); 8644 doRestore = false; 8645 } 8646 } else { 8647 Slog.e(TAG, "Backup Manager not found!"); 8648 doRestore = false; 8649 } 8650 } 8651 8652 if (!doRestore) { 8653 // No restore possible, or the Backup Manager was mysteriously not 8654 // available -- just fire the post-install work request directly. 8655 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8656 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8657 mHandler.sendMessage(msg); 8658 } 8659 } 8660 }); 8661 } 8662 8663 private abstract class HandlerParams { 8664 private static final int MAX_RETRIES = 4; 8665 8666 /** 8667 * Number of times startCopy() has been attempted and had a non-fatal 8668 * error. 8669 */ 8670 private int mRetries = 0; 8671 8672 /** User handle for the user requesting the information or installation. */ 8673 private final UserHandle mUser; 8674 8675 HandlerParams(UserHandle user) { 8676 mUser = user; 8677 } 8678 8679 UserHandle getUser() { 8680 return mUser; 8681 } 8682 8683 final boolean startCopy() { 8684 boolean res; 8685 try { 8686 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8687 8688 if (++mRetries > MAX_RETRIES) { 8689 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8690 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8691 handleServiceError(); 8692 return false; 8693 } else { 8694 handleStartCopy(); 8695 res = true; 8696 } 8697 } catch (RemoteException e) { 8698 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8699 mHandler.sendEmptyMessage(MCS_RECONNECT); 8700 res = false; 8701 } 8702 handleReturnCode(); 8703 return res; 8704 } 8705 8706 final void serviceError() { 8707 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8708 handleServiceError(); 8709 handleReturnCode(); 8710 } 8711 8712 abstract void handleStartCopy() throws RemoteException; 8713 abstract void handleServiceError(); 8714 abstract void handleReturnCode(); 8715 } 8716 8717 class MeasureParams extends HandlerParams { 8718 private final PackageStats mStats; 8719 private boolean mSuccess; 8720 8721 private final IPackageStatsObserver mObserver; 8722 8723 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8724 super(new UserHandle(stats.userHandle)); 8725 mObserver = observer; 8726 mStats = stats; 8727 } 8728 8729 @Override 8730 public String toString() { 8731 return "MeasureParams{" 8732 + Integer.toHexString(System.identityHashCode(this)) 8733 + " " + mStats.packageName + "}"; 8734 } 8735 8736 @Override 8737 void handleStartCopy() throws RemoteException { 8738 synchronized (mInstallLock) { 8739 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8740 } 8741 8742 if (mSuccess) { 8743 final boolean mounted; 8744 if (Environment.isExternalStorageEmulated()) { 8745 mounted = true; 8746 } else { 8747 final String status = Environment.getExternalStorageState(); 8748 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8749 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8750 } 8751 8752 if (mounted) { 8753 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8754 8755 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8756 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8757 8758 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8759 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8760 8761 // Always subtract cache size, since it's a subdirectory 8762 mStats.externalDataSize -= mStats.externalCacheSize; 8763 8764 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8765 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8766 8767 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8768 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8769 } 8770 } 8771 } 8772 8773 @Override 8774 void handleReturnCode() { 8775 if (mObserver != null) { 8776 try { 8777 mObserver.onGetStatsCompleted(mStats, mSuccess); 8778 } catch (RemoteException e) { 8779 Slog.i(TAG, "Observer no longer exists."); 8780 } 8781 } 8782 } 8783 8784 @Override 8785 void handleServiceError() { 8786 Slog.e(TAG, "Could not measure application " + mStats.packageName 8787 + " external storage"); 8788 } 8789 } 8790 8791 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8792 throws RemoteException { 8793 long result = 0; 8794 for (File path : paths) { 8795 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8796 } 8797 return result; 8798 } 8799 8800 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8801 for (File path : paths) { 8802 try { 8803 mcs.clearDirectory(path.getAbsolutePath()); 8804 } catch (RemoteException e) { 8805 } 8806 } 8807 } 8808 8809 static class OriginInfo { 8810 /** 8811 * Location where install is coming from, before it has been 8812 * copied/renamed into place. This could be a single monolithic APK 8813 * file, or a cluster directory. This location may be untrusted. 8814 */ 8815 final File file; 8816 final String cid; 8817 8818 /** 8819 * Flag indicating that {@link #file} or {@link #cid} has already been 8820 * staged, meaning downstream users don't need to defensively copy the 8821 * contents. 8822 */ 8823 final boolean staged; 8824 8825 /** 8826 * Flag indicating that {@link #file} or {@link #cid} is an already 8827 * installed app that is being moved. 8828 */ 8829 final boolean existing; 8830 8831 final String resolvedPath; 8832 final File resolvedFile; 8833 8834 static OriginInfo fromNothing() { 8835 return new OriginInfo(null, null, false, false); 8836 } 8837 8838 static OriginInfo fromUntrustedFile(File file) { 8839 return new OriginInfo(file, null, false, false); 8840 } 8841 8842 static OriginInfo fromExistingFile(File file) { 8843 return new OriginInfo(file, null, false, true); 8844 } 8845 8846 static OriginInfo fromStagedFile(File file) { 8847 return new OriginInfo(file, null, true, false); 8848 } 8849 8850 static OriginInfo fromStagedContainer(String cid) { 8851 return new OriginInfo(null, cid, true, false); 8852 } 8853 8854 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8855 this.file = file; 8856 this.cid = cid; 8857 this.staged = staged; 8858 this.existing = existing; 8859 8860 if (cid != null) { 8861 resolvedPath = PackageHelper.getSdDir(cid); 8862 resolvedFile = new File(resolvedPath); 8863 } else if (file != null) { 8864 resolvedPath = file.getAbsolutePath(); 8865 resolvedFile = file; 8866 } else { 8867 resolvedPath = null; 8868 resolvedFile = null; 8869 } 8870 } 8871 } 8872 8873 class InstallParams extends HandlerParams { 8874 final OriginInfo origin; 8875 final IPackageInstallObserver2 observer; 8876 int installFlags; 8877 final String installerPackageName; 8878 final VerificationParams verificationParams; 8879 private InstallArgs mArgs; 8880 private int mRet; 8881 final String packageAbiOverride; 8882 8883 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8884 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8885 String packageAbiOverride) { 8886 super(user); 8887 this.origin = origin; 8888 this.observer = observer; 8889 this.installFlags = installFlags; 8890 this.installerPackageName = installerPackageName; 8891 this.verificationParams = verificationParams; 8892 this.packageAbiOverride = packageAbiOverride; 8893 } 8894 8895 @Override 8896 public String toString() { 8897 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8898 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8899 } 8900 8901 public ManifestDigest getManifestDigest() { 8902 if (verificationParams == null) { 8903 return null; 8904 } 8905 return verificationParams.getManifestDigest(); 8906 } 8907 8908 private int installLocationPolicy(PackageInfoLite pkgLite) { 8909 String packageName = pkgLite.packageName; 8910 int installLocation = pkgLite.installLocation; 8911 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8912 // reader 8913 synchronized (mPackages) { 8914 PackageParser.Package pkg = mPackages.get(packageName); 8915 if (pkg != null) { 8916 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8917 // Check for downgrading. 8918 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8919 try { 8920 checkDowngrade(pkg, pkgLite); 8921 } catch (PackageManagerException e) { 8922 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8923 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8924 } 8925 } 8926 // Check for updated system application. 8927 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8928 if (onSd) { 8929 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8930 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8931 } 8932 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8933 } else { 8934 if (onSd) { 8935 // Install flag overrides everything. 8936 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8937 } 8938 // If current upgrade specifies particular preference 8939 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8940 // Application explicitly specified internal. 8941 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8942 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8943 // App explictly prefers external. Let policy decide 8944 } else { 8945 // Prefer previous location 8946 if (isExternal(pkg)) { 8947 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8948 } 8949 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8950 } 8951 } 8952 } else { 8953 // Invalid install. Return error code 8954 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8955 } 8956 } 8957 } 8958 // All the special cases have been taken care of. 8959 // Return result based on recommended install location. 8960 if (onSd) { 8961 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8962 } 8963 return pkgLite.recommendedInstallLocation; 8964 } 8965 8966 /* 8967 * Invoke remote method to get package information and install 8968 * location values. Override install location based on default 8969 * policy if needed and then create install arguments based 8970 * on the install location. 8971 */ 8972 public void handleStartCopy() throws RemoteException { 8973 int ret = PackageManager.INSTALL_SUCCEEDED; 8974 8975 // If we're already staged, we've firmly committed to an install location 8976 if (origin.staged) { 8977 if (origin.file != null) { 8978 installFlags |= PackageManager.INSTALL_INTERNAL; 8979 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8980 } else if (origin.cid != null) { 8981 installFlags |= PackageManager.INSTALL_EXTERNAL; 8982 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8983 } else { 8984 throw new IllegalStateException("Invalid stage location"); 8985 } 8986 } 8987 8988 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8989 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8990 8991 PackageInfoLite pkgLite = null; 8992 8993 if (onInt && onSd) { 8994 // Check if both bits are set. 8995 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8996 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8997 } else { 8998 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8999 packageAbiOverride); 9000 9001 /* 9002 * If we have too little free space, try to free cache 9003 * before giving up. 9004 */ 9005 if (!origin.staged && pkgLite.recommendedInstallLocation 9006 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9007 // TODO: focus freeing disk space on the target device 9008 final StorageManager storage = StorageManager.from(mContext); 9009 final long lowThreshold = storage.getStorageLowBytes( 9010 Environment.getDataDirectory()); 9011 9012 final long sizeBytes = mContainerService.calculateInstalledSize( 9013 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 9014 9015 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 9016 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 9017 installFlags, packageAbiOverride); 9018 } 9019 9020 /* 9021 * The cache free must have deleted the file we 9022 * downloaded to install. 9023 * 9024 * TODO: fix the "freeCache" call to not delete 9025 * the file we care about. 9026 */ 9027 if (pkgLite.recommendedInstallLocation 9028 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9029 pkgLite.recommendedInstallLocation 9030 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 9031 } 9032 } 9033 } 9034 9035 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9036 int loc = pkgLite.recommendedInstallLocation; 9037 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 9038 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9039 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 9040 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9041 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9042 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9043 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 9044 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 9045 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9046 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 9047 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 9048 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 9049 } else { 9050 // Override with defaults if needed. 9051 loc = installLocationPolicy(pkgLite); 9052 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 9053 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 9054 } else if (!onSd && !onInt) { 9055 // Override install location with flags 9056 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 9057 // Set the flag to install on external media. 9058 installFlags |= PackageManager.INSTALL_EXTERNAL; 9059 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9060 } else { 9061 // Make sure the flag for installing on external 9062 // media is unset 9063 installFlags |= PackageManager.INSTALL_INTERNAL; 9064 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9065 } 9066 } 9067 } 9068 } 9069 9070 final InstallArgs args = createInstallArgs(this); 9071 mArgs = args; 9072 9073 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9074 /* 9075 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 9076 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 9077 */ 9078 int userIdentifier = getUser().getIdentifier(); 9079 if (userIdentifier == UserHandle.USER_ALL 9080 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 9081 userIdentifier = UserHandle.USER_OWNER; 9082 } 9083 9084 /* 9085 * Determine if we have any installed package verifiers. If we 9086 * do, then we'll defer to them to verify the packages. 9087 */ 9088 final int requiredUid = mRequiredVerifierPackage == null ? -1 9089 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 9090 if (!origin.existing && requiredUid != -1 9091 && isVerificationEnabled(userIdentifier, installFlags)) { 9092 final Intent verification = new Intent( 9093 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 9094 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 9095 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 9096 PACKAGE_MIME_TYPE); 9097 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9098 9099 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 9100 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 9101 0 /* TODO: Which userId? */); 9102 9103 if (DEBUG_VERIFY) { 9104 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 9105 + verification.toString() + " with " + pkgLite.verifiers.length 9106 + " optional verifiers"); 9107 } 9108 9109 final int verificationId = mPendingVerificationToken++; 9110 9111 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9112 9113 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 9114 installerPackageName); 9115 9116 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 9117 installFlags); 9118 9119 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 9120 pkgLite.packageName); 9121 9122 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 9123 pkgLite.versionCode); 9124 9125 if (verificationParams != null) { 9126 if (verificationParams.getVerificationURI() != null) { 9127 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 9128 verificationParams.getVerificationURI()); 9129 } 9130 if (verificationParams.getOriginatingURI() != null) { 9131 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 9132 verificationParams.getOriginatingURI()); 9133 } 9134 if (verificationParams.getReferrer() != null) { 9135 verification.putExtra(Intent.EXTRA_REFERRER, 9136 verificationParams.getReferrer()); 9137 } 9138 if (verificationParams.getOriginatingUid() >= 0) { 9139 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 9140 verificationParams.getOriginatingUid()); 9141 } 9142 if (verificationParams.getInstallerUid() >= 0) { 9143 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 9144 verificationParams.getInstallerUid()); 9145 } 9146 } 9147 9148 final PackageVerificationState verificationState = new PackageVerificationState( 9149 requiredUid, args); 9150 9151 mPendingVerification.append(verificationId, verificationState); 9152 9153 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 9154 receivers, verificationState); 9155 9156 /* 9157 * If any sufficient verifiers were listed in the package 9158 * manifest, attempt to ask them. 9159 */ 9160 if (sufficientVerifiers != null) { 9161 final int N = sufficientVerifiers.size(); 9162 if (N == 0) { 9163 Slog.i(TAG, "Additional verifiers required, but none installed."); 9164 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9165 } else { 9166 for (int i = 0; i < N; i++) { 9167 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9168 9169 final Intent sufficientIntent = new Intent(verification); 9170 sufficientIntent.setComponent(verifierComponent); 9171 9172 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9173 } 9174 } 9175 } 9176 9177 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9178 mRequiredVerifierPackage, receivers); 9179 if (ret == PackageManager.INSTALL_SUCCEEDED 9180 && mRequiredVerifierPackage != null) { 9181 /* 9182 * Send the intent to the required verification agent, 9183 * but only start the verification timeout after the 9184 * target BroadcastReceivers have run. 9185 */ 9186 verification.setComponent(requiredVerifierComponent); 9187 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9188 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9189 new BroadcastReceiver() { 9190 @Override 9191 public void onReceive(Context context, Intent intent) { 9192 final Message msg = mHandler 9193 .obtainMessage(CHECK_PENDING_VERIFICATION); 9194 msg.arg1 = verificationId; 9195 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9196 } 9197 }, null, 0, null, null); 9198 9199 /* 9200 * We don't want the copy to proceed until verification 9201 * succeeds, so null out this field. 9202 */ 9203 mArgs = null; 9204 } 9205 } else { 9206 /* 9207 * No package verification is enabled, so immediately start 9208 * the remote call to initiate copy using temporary file. 9209 */ 9210 ret = args.copyApk(mContainerService, true); 9211 } 9212 } 9213 9214 mRet = ret; 9215 } 9216 9217 @Override 9218 void handleReturnCode() { 9219 // If mArgs is null, then MCS couldn't be reached. When it 9220 // reconnects, it will try again to install. At that point, this 9221 // will succeed. 9222 if (mArgs != null) { 9223 processPendingInstall(mArgs, mRet); 9224 } 9225 } 9226 9227 @Override 9228 void handleServiceError() { 9229 mArgs = createInstallArgs(this); 9230 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9231 } 9232 9233 public boolean isForwardLocked() { 9234 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9235 } 9236 } 9237 9238 /** 9239 * Used during creation of InstallArgs 9240 * 9241 * @param installFlags package installation flags 9242 * @return true if should be installed on external storage 9243 */ 9244 private static boolean installOnSd(int installFlags) { 9245 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9246 return false; 9247 } 9248 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9249 return true; 9250 } 9251 return false; 9252 } 9253 9254 /** 9255 * Used during creation of InstallArgs 9256 * 9257 * @param installFlags package installation flags 9258 * @return true if should be installed as forward locked 9259 */ 9260 private static boolean installForwardLocked(int installFlags) { 9261 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9262 } 9263 9264 private InstallArgs createInstallArgs(InstallParams params) { 9265 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9266 return new AsecInstallArgs(params); 9267 } else { 9268 return new FileInstallArgs(params); 9269 } 9270 } 9271 9272 /** 9273 * Create args that describe an existing installed package. Typically used 9274 * when cleaning up old installs, or used as a move source. 9275 */ 9276 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9277 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9278 final boolean isInAsec; 9279 if (installOnSd(installFlags)) { 9280 /* Apps on SD card are always in ASEC containers. */ 9281 isInAsec = true; 9282 } else if (installForwardLocked(installFlags) 9283 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9284 /* 9285 * Forward-locked apps are only in ASEC containers if they're the 9286 * new style 9287 */ 9288 isInAsec = true; 9289 } else { 9290 isInAsec = false; 9291 } 9292 9293 if (isInAsec) { 9294 return new AsecInstallArgs(codePath, instructionSets, 9295 installOnSd(installFlags), installForwardLocked(installFlags)); 9296 } else { 9297 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9298 instructionSets); 9299 } 9300 } 9301 9302 static abstract class InstallArgs { 9303 /** @see InstallParams#origin */ 9304 final OriginInfo origin; 9305 9306 final IPackageInstallObserver2 observer; 9307 // Always refers to PackageManager flags only 9308 final int installFlags; 9309 final String installerPackageName; 9310 final ManifestDigest manifestDigest; 9311 final UserHandle user; 9312 final String abiOverride; 9313 9314 // The list of instruction sets supported by this app. This is currently 9315 // only used during the rmdex() phase to clean up resources. We can get rid of this 9316 // if we move dex files under the common app path. 9317 /* nullable */ String[] instructionSets; 9318 9319 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9320 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9321 String[] instructionSets, String abiOverride) { 9322 this.origin = origin; 9323 this.installFlags = installFlags; 9324 this.observer = observer; 9325 this.installerPackageName = installerPackageName; 9326 this.manifestDigest = manifestDigest; 9327 this.user = user; 9328 this.instructionSets = instructionSets; 9329 this.abiOverride = abiOverride; 9330 } 9331 9332 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9333 abstract int doPreInstall(int status); 9334 9335 /** 9336 * Rename package into final resting place. All paths on the given 9337 * scanned package should be updated to reflect the rename. 9338 */ 9339 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9340 abstract int doPostInstall(int status, int uid); 9341 9342 /** @see PackageSettingBase#codePathString */ 9343 abstract String getCodePath(); 9344 /** @see PackageSettingBase#resourcePathString */ 9345 abstract String getResourcePath(); 9346 abstract String getLegacyNativeLibraryPath(); 9347 9348 // Need installer lock especially for dex file removal. 9349 abstract void cleanUpResourcesLI(); 9350 abstract boolean doPostDeleteLI(boolean delete); 9351 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9352 9353 /** 9354 * Called before the source arguments are copied. This is used mostly 9355 * for MoveParams when it needs to read the source file to put it in the 9356 * destination. 9357 */ 9358 int doPreCopy() { 9359 return PackageManager.INSTALL_SUCCEEDED; 9360 } 9361 9362 /** 9363 * Called after the source arguments are copied. This is used mostly for 9364 * MoveParams when it needs to read the source file to put it in the 9365 * destination. 9366 * 9367 * @return 9368 */ 9369 int doPostCopy(int uid) { 9370 return PackageManager.INSTALL_SUCCEEDED; 9371 } 9372 9373 protected boolean isFwdLocked() { 9374 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9375 } 9376 9377 protected boolean isExternal() { 9378 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9379 } 9380 9381 UserHandle getUser() { 9382 return user; 9383 } 9384 } 9385 9386 /** 9387 * Logic to handle installation of non-ASEC applications, including copying 9388 * and renaming logic. 9389 */ 9390 class FileInstallArgs extends InstallArgs { 9391 private File codeFile; 9392 private File resourceFile; 9393 private File legacyNativeLibraryPath; 9394 9395 // Example topology: 9396 // /data/app/com.example/base.apk 9397 // /data/app/com.example/split_foo.apk 9398 // /data/app/com.example/lib/arm/libfoo.so 9399 // /data/app/com.example/lib/arm64/libfoo.so 9400 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9401 9402 /** New install */ 9403 FileInstallArgs(InstallParams params) { 9404 super(params.origin, params.observer, params.installFlags, 9405 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9406 null /* instruction sets */, params.packageAbiOverride); 9407 if (isFwdLocked()) { 9408 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9409 } 9410 } 9411 9412 /** Existing install */ 9413 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9414 String[] instructionSets) { 9415 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9416 this.codeFile = (codePath != null) ? new File(codePath) : null; 9417 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9418 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9419 new File(legacyNativeLibraryPath) : null; 9420 } 9421 9422 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9423 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9424 isFwdLocked(), abiOverride); 9425 9426 final StorageManager storage = StorageManager.from(mContext); 9427 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9428 } 9429 9430 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9431 if (origin.staged) { 9432 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9433 codeFile = origin.file; 9434 resourceFile = origin.file; 9435 return PackageManager.INSTALL_SUCCEEDED; 9436 } 9437 9438 try { 9439 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9440 codeFile = tempDir; 9441 resourceFile = tempDir; 9442 } catch (IOException e) { 9443 Slog.w(TAG, "Failed to create copy file: " + e); 9444 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9445 } 9446 9447 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9448 @Override 9449 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9450 if (!FileUtils.isValidExtFilename(name)) { 9451 throw new IllegalArgumentException("Invalid filename: " + name); 9452 } 9453 try { 9454 final File file = new File(codeFile, name); 9455 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9456 O_RDWR | O_CREAT, 0644); 9457 Os.chmod(file.getAbsolutePath(), 0644); 9458 return new ParcelFileDescriptor(fd); 9459 } catch (ErrnoException e) { 9460 throw new RemoteException("Failed to open: " + e.getMessage()); 9461 } 9462 } 9463 }; 9464 9465 int ret = PackageManager.INSTALL_SUCCEEDED; 9466 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9467 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9468 Slog.e(TAG, "Failed to copy package"); 9469 return ret; 9470 } 9471 9472 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9473 NativeLibraryHelper.Handle handle = null; 9474 try { 9475 handle = NativeLibraryHelper.Handle.create(codeFile); 9476 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9477 abiOverride); 9478 } catch (IOException e) { 9479 Slog.e(TAG, "Copying native libraries failed", e); 9480 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9481 } finally { 9482 IoUtils.closeQuietly(handle); 9483 } 9484 9485 return ret; 9486 } 9487 9488 int doPreInstall(int status) { 9489 if (status != PackageManager.INSTALL_SUCCEEDED) { 9490 cleanUp(); 9491 } 9492 return status; 9493 } 9494 9495 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9496 if (status != PackageManager.INSTALL_SUCCEEDED) { 9497 cleanUp(); 9498 return false; 9499 } else { 9500 final File beforeCodeFile = codeFile; 9501 final File afterCodeFile = getNextCodePath(pkg.packageName); 9502 9503 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9504 try { 9505 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9506 } catch (ErrnoException e) { 9507 Slog.d(TAG, "Failed to rename", e); 9508 return false; 9509 } 9510 9511 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9512 Slog.d(TAG, "Failed to restorecon"); 9513 return false; 9514 } 9515 9516 // Reflect the rename internally 9517 codeFile = afterCodeFile; 9518 resourceFile = afterCodeFile; 9519 9520 // Reflect the rename in scanned details 9521 pkg.codePath = afterCodeFile.getAbsolutePath(); 9522 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9523 pkg.baseCodePath); 9524 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9525 pkg.splitCodePaths); 9526 9527 // Reflect the rename in app info 9528 pkg.applicationInfo.setCodePath(pkg.codePath); 9529 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9530 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9531 pkg.applicationInfo.setResourcePath(pkg.codePath); 9532 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9533 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9534 9535 return true; 9536 } 9537 } 9538 9539 int doPostInstall(int status, int uid) { 9540 if (status != PackageManager.INSTALL_SUCCEEDED) { 9541 cleanUp(); 9542 } 9543 return status; 9544 } 9545 9546 @Override 9547 String getCodePath() { 9548 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9549 } 9550 9551 @Override 9552 String getResourcePath() { 9553 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9554 } 9555 9556 @Override 9557 String getLegacyNativeLibraryPath() { 9558 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9559 } 9560 9561 private boolean cleanUp() { 9562 if (codeFile == null || !codeFile.exists()) { 9563 return false; 9564 } 9565 9566 if (codeFile.isDirectory()) { 9567 FileUtils.deleteContents(codeFile); 9568 } 9569 codeFile.delete(); 9570 9571 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9572 resourceFile.delete(); 9573 } 9574 9575 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9576 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9577 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9578 } 9579 legacyNativeLibraryPath.delete(); 9580 } 9581 9582 return true; 9583 } 9584 9585 void cleanUpResourcesLI() { 9586 // Try enumerating all code paths before deleting 9587 List<String> allCodePaths = Collections.EMPTY_LIST; 9588 if (codeFile != null && codeFile.exists()) { 9589 try { 9590 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9591 allCodePaths = pkg.getAllCodePaths(); 9592 } catch (PackageParserException e) { 9593 // Ignored; we tried our best 9594 } 9595 } 9596 9597 cleanUp(); 9598 9599 if (!allCodePaths.isEmpty()) { 9600 if (instructionSets == null) { 9601 throw new IllegalStateException("instructionSet == null"); 9602 } 9603 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9604 for (String codePath : allCodePaths) { 9605 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9606 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9607 if (retCode < 0) { 9608 Slog.w(TAG, "Couldn't remove dex file for package: " 9609 + " at location " + codePath + ", retcode=" + retCode); 9610 // we don't consider this to be a failure of the core package deletion 9611 } 9612 } 9613 } 9614 } 9615 } 9616 9617 boolean doPostDeleteLI(boolean delete) { 9618 // XXX err, shouldn't we respect the delete flag? 9619 cleanUpResourcesLI(); 9620 return true; 9621 } 9622 } 9623 9624 private boolean isAsecExternal(String cid) { 9625 final String asecPath = PackageHelper.getSdFilesystem(cid); 9626 return !asecPath.startsWith(mAsecInternalPath); 9627 } 9628 9629 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9630 PackageManagerException { 9631 if (copyRet < 0) { 9632 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9633 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9634 throw new PackageManagerException(copyRet, message); 9635 } 9636 } 9637 } 9638 9639 /** 9640 * Extract the MountService "container ID" from the full code path of an 9641 * .apk. 9642 */ 9643 static String cidFromCodePath(String fullCodePath) { 9644 int eidx = fullCodePath.lastIndexOf("/"); 9645 String subStr1 = fullCodePath.substring(0, eidx); 9646 int sidx = subStr1.lastIndexOf("/"); 9647 return subStr1.substring(sidx+1, eidx); 9648 } 9649 9650 /** 9651 * Logic to handle installation of ASEC applications, including copying and 9652 * renaming logic. 9653 */ 9654 class AsecInstallArgs extends InstallArgs { 9655 static final String RES_FILE_NAME = "pkg.apk"; 9656 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9657 9658 String cid; 9659 String packagePath; 9660 String resourcePath; 9661 String legacyNativeLibraryDir; 9662 9663 /** New install */ 9664 AsecInstallArgs(InstallParams params) { 9665 super(params.origin, params.observer, params.installFlags, 9666 params.installerPackageName, params.getManifestDigest(), 9667 params.getUser(), null /* instruction sets */, 9668 params.packageAbiOverride); 9669 } 9670 9671 /** Existing install */ 9672 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9673 boolean isExternal, boolean isForwardLocked) { 9674 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9675 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9676 instructionSets, null); 9677 // Hackily pretend we're still looking at a full code path 9678 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9679 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9680 } 9681 9682 // Extract cid from fullCodePath 9683 int eidx = fullCodePath.lastIndexOf("/"); 9684 String subStr1 = fullCodePath.substring(0, eidx); 9685 int sidx = subStr1.lastIndexOf("/"); 9686 cid = subStr1.substring(sidx+1, eidx); 9687 setMountPath(subStr1); 9688 } 9689 9690 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9691 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9692 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9693 instructionSets, null); 9694 this.cid = cid; 9695 setMountPath(PackageHelper.getSdDir(cid)); 9696 } 9697 9698 void createCopyFile() { 9699 cid = mInstallerService.allocateExternalStageCidLegacy(); 9700 } 9701 9702 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9703 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9704 abiOverride); 9705 9706 final File target; 9707 if (isExternal()) { 9708 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9709 } else { 9710 target = Environment.getDataDirectory(); 9711 } 9712 9713 final StorageManager storage = StorageManager.from(mContext); 9714 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9715 } 9716 9717 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9718 if (origin.staged) { 9719 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9720 cid = origin.cid; 9721 setMountPath(PackageHelper.getSdDir(cid)); 9722 return PackageManager.INSTALL_SUCCEEDED; 9723 } 9724 9725 if (temp) { 9726 createCopyFile(); 9727 } else { 9728 /* 9729 * Pre-emptively destroy the container since it's destroyed if 9730 * copying fails due to it existing anyway. 9731 */ 9732 PackageHelper.destroySdDir(cid); 9733 } 9734 9735 final String newMountPath = imcs.copyPackageToContainer( 9736 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9737 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9738 9739 if (newMountPath != null) { 9740 setMountPath(newMountPath); 9741 return PackageManager.INSTALL_SUCCEEDED; 9742 } else { 9743 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9744 } 9745 } 9746 9747 @Override 9748 String getCodePath() { 9749 return packagePath; 9750 } 9751 9752 @Override 9753 String getResourcePath() { 9754 return resourcePath; 9755 } 9756 9757 @Override 9758 String getLegacyNativeLibraryPath() { 9759 return legacyNativeLibraryDir; 9760 } 9761 9762 int doPreInstall(int status) { 9763 if (status != PackageManager.INSTALL_SUCCEEDED) { 9764 // Destroy container 9765 PackageHelper.destroySdDir(cid); 9766 } else { 9767 boolean mounted = PackageHelper.isContainerMounted(cid); 9768 if (!mounted) { 9769 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9770 Process.SYSTEM_UID); 9771 if (newMountPath != null) { 9772 setMountPath(newMountPath); 9773 } else { 9774 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9775 } 9776 } 9777 } 9778 return status; 9779 } 9780 9781 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9782 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9783 String newMountPath = null; 9784 if (PackageHelper.isContainerMounted(cid)) { 9785 // Unmount the container 9786 if (!PackageHelper.unMountSdDir(cid)) { 9787 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9788 return false; 9789 } 9790 } 9791 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9792 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9793 " which might be stale. Will try to clean up."); 9794 // Clean up the stale container and proceed to recreate. 9795 if (!PackageHelper.destroySdDir(newCacheId)) { 9796 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9797 return false; 9798 } 9799 // Successfully cleaned up stale container. Try to rename again. 9800 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9801 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9802 + " inspite of cleaning it up."); 9803 return false; 9804 } 9805 } 9806 if (!PackageHelper.isContainerMounted(newCacheId)) { 9807 Slog.w(TAG, "Mounting container " + newCacheId); 9808 newMountPath = PackageHelper.mountSdDir(newCacheId, 9809 getEncryptKey(), Process.SYSTEM_UID); 9810 } else { 9811 newMountPath = PackageHelper.getSdDir(newCacheId); 9812 } 9813 if (newMountPath == null) { 9814 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9815 return false; 9816 } 9817 Log.i(TAG, "Succesfully renamed " + cid + 9818 " to " + newCacheId + 9819 " at new path: " + newMountPath); 9820 cid = newCacheId; 9821 9822 final File beforeCodeFile = new File(packagePath); 9823 setMountPath(newMountPath); 9824 final File afterCodeFile = new File(packagePath); 9825 9826 // Reflect the rename in scanned details 9827 pkg.codePath = afterCodeFile.getAbsolutePath(); 9828 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9829 pkg.baseCodePath); 9830 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9831 pkg.splitCodePaths); 9832 9833 // Reflect the rename in app info 9834 pkg.applicationInfo.setCodePath(pkg.codePath); 9835 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9836 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9837 pkg.applicationInfo.setResourcePath(pkg.codePath); 9838 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9839 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9840 9841 return true; 9842 } 9843 9844 private void setMountPath(String mountPath) { 9845 final File mountFile = new File(mountPath); 9846 9847 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9848 if (monolithicFile.exists()) { 9849 packagePath = monolithicFile.getAbsolutePath(); 9850 if (isFwdLocked()) { 9851 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9852 } else { 9853 resourcePath = packagePath; 9854 } 9855 } else { 9856 packagePath = mountFile.getAbsolutePath(); 9857 resourcePath = packagePath; 9858 } 9859 9860 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9861 } 9862 9863 int doPostInstall(int status, int uid) { 9864 if (status != PackageManager.INSTALL_SUCCEEDED) { 9865 cleanUp(); 9866 } else { 9867 final int groupOwner; 9868 final String protectedFile; 9869 if (isFwdLocked()) { 9870 groupOwner = UserHandle.getSharedAppGid(uid); 9871 protectedFile = RES_FILE_NAME; 9872 } else { 9873 groupOwner = -1; 9874 protectedFile = null; 9875 } 9876 9877 if (uid < Process.FIRST_APPLICATION_UID 9878 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9879 Slog.e(TAG, "Failed to finalize " + cid); 9880 PackageHelper.destroySdDir(cid); 9881 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9882 } 9883 9884 boolean mounted = PackageHelper.isContainerMounted(cid); 9885 if (!mounted) { 9886 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9887 } 9888 } 9889 return status; 9890 } 9891 9892 private void cleanUp() { 9893 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9894 9895 // Destroy secure container 9896 PackageHelper.destroySdDir(cid); 9897 } 9898 9899 private List<String> getAllCodePaths() { 9900 final File codeFile = new File(getCodePath()); 9901 if (codeFile != null && codeFile.exists()) { 9902 try { 9903 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9904 return pkg.getAllCodePaths(); 9905 } catch (PackageParserException e) { 9906 // Ignored; we tried our best 9907 } 9908 } 9909 return Collections.EMPTY_LIST; 9910 } 9911 9912 void cleanUpResourcesLI() { 9913 // Enumerate all code paths before deleting 9914 cleanUpResourcesLI(getAllCodePaths()); 9915 } 9916 9917 private void cleanUpResourcesLI(List<String> allCodePaths) { 9918 cleanUp(); 9919 9920 if (!allCodePaths.isEmpty()) { 9921 if (instructionSets == null) { 9922 throw new IllegalStateException("instructionSet == null"); 9923 } 9924 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9925 for (String codePath : allCodePaths) { 9926 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9927 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9928 if (retCode < 0) { 9929 Slog.w(TAG, "Couldn't remove dex file for package: " 9930 + " at location " + codePath + ", retcode=" + retCode); 9931 // we don't consider this to be a failure of the core package deletion 9932 } 9933 } 9934 } 9935 } 9936 } 9937 9938 boolean matchContainer(String app) { 9939 if (cid.startsWith(app)) { 9940 return true; 9941 } 9942 return false; 9943 } 9944 9945 String getPackageName() { 9946 return getAsecPackageName(cid); 9947 } 9948 9949 boolean doPostDeleteLI(boolean delete) { 9950 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9951 final List<String> allCodePaths = getAllCodePaths(); 9952 boolean mounted = PackageHelper.isContainerMounted(cid); 9953 if (mounted) { 9954 // Unmount first 9955 if (PackageHelper.unMountSdDir(cid)) { 9956 mounted = false; 9957 } 9958 } 9959 if (!mounted && delete) { 9960 cleanUpResourcesLI(allCodePaths); 9961 } 9962 return !mounted; 9963 } 9964 9965 @Override 9966 int doPreCopy() { 9967 if (isFwdLocked()) { 9968 if (!PackageHelper.fixSdPermissions(cid, 9969 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9970 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9971 } 9972 } 9973 9974 return PackageManager.INSTALL_SUCCEEDED; 9975 } 9976 9977 @Override 9978 int doPostCopy(int uid) { 9979 if (isFwdLocked()) { 9980 if (uid < Process.FIRST_APPLICATION_UID 9981 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9982 RES_FILE_NAME)) { 9983 Slog.e(TAG, "Failed to finalize " + cid); 9984 PackageHelper.destroySdDir(cid); 9985 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9986 } 9987 } 9988 9989 return PackageManager.INSTALL_SUCCEEDED; 9990 } 9991 } 9992 9993 static String getAsecPackageName(String packageCid) { 9994 int idx = packageCid.lastIndexOf("-"); 9995 if (idx == -1) { 9996 return packageCid; 9997 } 9998 return packageCid.substring(0, idx); 9999 } 10000 10001 // Utility method used to create code paths based on package name and available index. 10002 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 10003 String idxStr = ""; 10004 int idx = 1; 10005 // Fall back to default value of idx=1 if prefix is not 10006 // part of oldCodePath 10007 if (oldCodePath != null) { 10008 String subStr = oldCodePath; 10009 // Drop the suffix right away 10010 if (suffix != null && subStr.endsWith(suffix)) { 10011 subStr = subStr.substring(0, subStr.length() - suffix.length()); 10012 } 10013 // If oldCodePath already contains prefix find out the 10014 // ending index to either increment or decrement. 10015 int sidx = subStr.lastIndexOf(prefix); 10016 if (sidx != -1) { 10017 subStr = subStr.substring(sidx + prefix.length()); 10018 if (subStr != null) { 10019 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 10020 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 10021 } 10022 try { 10023 idx = Integer.parseInt(subStr); 10024 if (idx <= 1) { 10025 idx++; 10026 } else { 10027 idx--; 10028 } 10029 } catch(NumberFormatException e) { 10030 } 10031 } 10032 } 10033 } 10034 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 10035 return prefix + idxStr; 10036 } 10037 10038 private File getNextCodePath(String packageName) { 10039 int suffix = 1; 10040 File result; 10041 do { 10042 result = new File(mAppInstallDir, packageName + "-" + suffix); 10043 suffix++; 10044 } while (result.exists()); 10045 return result; 10046 } 10047 10048 // Utility method used to ignore ADD/REMOVE events 10049 // by directory observer. 10050 private static boolean ignoreCodePath(String fullPathStr) { 10051 String apkName = deriveCodePathName(fullPathStr); 10052 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 10053 if (idx != -1 && ((idx+1) < apkName.length())) { 10054 // Make sure the package ends with a numeral 10055 String version = apkName.substring(idx+1); 10056 try { 10057 Integer.parseInt(version); 10058 return true; 10059 } catch (NumberFormatException e) {} 10060 } 10061 return false; 10062 } 10063 10064 // Utility method that returns the relative package path with respect 10065 // to the installation directory. Like say for /data/data/com.test-1.apk 10066 // string com.test-1 is returned. 10067 static String deriveCodePathName(String codePath) { 10068 if (codePath == null) { 10069 return null; 10070 } 10071 final File codeFile = new File(codePath); 10072 final String name = codeFile.getName(); 10073 if (codeFile.isDirectory()) { 10074 return name; 10075 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 10076 final int lastDot = name.lastIndexOf('.'); 10077 return name.substring(0, lastDot); 10078 } else { 10079 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 10080 return null; 10081 } 10082 } 10083 10084 class PackageInstalledInfo { 10085 String name; 10086 int uid; 10087 // The set of users that originally had this package installed. 10088 int[] origUsers; 10089 // The set of users that now have this package installed. 10090 int[] newUsers; 10091 PackageParser.Package pkg; 10092 int returnCode; 10093 String returnMsg; 10094 PackageRemovedInfo removedInfo; 10095 10096 public void setError(int code, String msg) { 10097 returnCode = code; 10098 returnMsg = msg; 10099 Slog.w(TAG, msg); 10100 } 10101 10102 public void setError(String msg, PackageParserException e) { 10103 returnCode = e.error; 10104 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10105 Slog.w(TAG, msg, e); 10106 } 10107 10108 public void setError(String msg, PackageManagerException e) { 10109 returnCode = e.error; 10110 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10111 Slog.w(TAG, msg, e); 10112 } 10113 10114 // In some error cases we want to convey more info back to the observer 10115 String origPackage; 10116 String origPermission; 10117 } 10118 10119 /* 10120 * Install a non-existing package. 10121 */ 10122 private void installNewPackageLI(PackageParser.Package pkg, 10123 int parseFlags, int scanFlags, UserHandle user, 10124 String installerPackageName, PackageInstalledInfo res) { 10125 // Remember this for later, in case we need to rollback this install 10126 String pkgName = pkg.packageName; 10127 10128 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 10129 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 10130 synchronized(mPackages) { 10131 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 10132 // A package with the same name is already installed, though 10133 // it has been renamed to an older name. The package we 10134 // are trying to install should be installed as an update to 10135 // the existing one, but that has not been requested, so bail. 10136 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10137 + " without first uninstalling package running as " 10138 + mSettings.mRenamedPackages.get(pkgName)); 10139 return; 10140 } 10141 if (mPackages.containsKey(pkgName)) { 10142 // Don't allow installation over an existing package with the same name. 10143 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10144 + " without first uninstalling."); 10145 return; 10146 } 10147 } 10148 10149 try { 10150 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 10151 System.currentTimeMillis(), user); 10152 10153 updateSettingsLI(newPackage, installerPackageName, null, null, res); 10154 // delete the partially installed application. the data directory will have to be 10155 // restored if it was already existing 10156 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10157 // remove package from internal structures. Note that we want deletePackageX to 10158 // delete the package data and cache directories that it created in 10159 // scanPackageLocked, unless those directories existed before we even tried to 10160 // install. 10161 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10162 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10163 res.removedInfo, true); 10164 } 10165 10166 } catch (PackageManagerException e) { 10167 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10168 } 10169 } 10170 10171 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10172 // Upgrade keysets are being used. Determine if new package has a superset of the 10173 // required keys. 10174 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10175 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10176 for (int i = 0; i < upgradeKeySets.length; i++) { 10177 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10178 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10179 return true; 10180 } 10181 } 10182 return false; 10183 } 10184 10185 private void replacePackageLI(PackageParser.Package pkg, 10186 int parseFlags, int scanFlags, UserHandle user, 10187 String installerPackageName, PackageInstalledInfo res) { 10188 PackageParser.Package oldPackage; 10189 String pkgName = pkg.packageName; 10190 int[] allUsers; 10191 boolean[] perUserInstalled; 10192 10193 // First find the old package info and check signatures 10194 synchronized(mPackages) { 10195 oldPackage = mPackages.get(pkgName); 10196 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10197 PackageSetting ps = mSettings.mPackages.get(pkgName); 10198 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10199 // default to original signature matching 10200 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10201 != PackageManager.SIGNATURE_MATCH) { 10202 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10203 "New package has a different signature: " + pkgName); 10204 return; 10205 } 10206 } else { 10207 if(!checkUpgradeKeySetLP(ps, pkg)) { 10208 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10209 "New package not signed by keys specified by upgrade-keysets: " 10210 + pkgName); 10211 return; 10212 } 10213 } 10214 10215 // In case of rollback, remember per-user/profile install state 10216 allUsers = sUserManager.getUserIds(); 10217 perUserInstalled = new boolean[allUsers.length]; 10218 for (int i = 0; i < allUsers.length; i++) { 10219 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10220 } 10221 } 10222 10223 boolean sysPkg = (isSystemApp(oldPackage)); 10224 if (sysPkg) { 10225 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10226 user, allUsers, perUserInstalled, installerPackageName, res); 10227 } else { 10228 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10229 user, allUsers, perUserInstalled, installerPackageName, res); 10230 } 10231 } 10232 10233 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10234 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10235 int[] allUsers, boolean[] perUserInstalled, 10236 String installerPackageName, PackageInstalledInfo res) { 10237 String pkgName = deletedPackage.packageName; 10238 boolean deletedPkg = true; 10239 boolean updatedSettings = false; 10240 10241 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10242 + deletedPackage); 10243 long origUpdateTime; 10244 if (pkg.mExtras != null) { 10245 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10246 } else { 10247 origUpdateTime = 0; 10248 } 10249 10250 // First delete the existing package while retaining the data directory 10251 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10252 res.removedInfo, true)) { 10253 // If the existing package wasn't successfully deleted 10254 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10255 deletedPkg = false; 10256 } else { 10257 // Successfully deleted the old package; proceed with replace. 10258 10259 // If deleted package lived in a container, give users a chance to 10260 // relinquish resources before killing. 10261 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10262 if (DEBUG_INSTALL) { 10263 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10264 } 10265 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10266 final ArrayList<String> pkgList = new ArrayList<String>(1); 10267 pkgList.add(deletedPackage.applicationInfo.packageName); 10268 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10269 } 10270 10271 deleteCodeCacheDirsLI(pkgName); 10272 try { 10273 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10274 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10275 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10276 updatedSettings = true; 10277 } catch (PackageManagerException e) { 10278 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10279 } 10280 } 10281 10282 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10283 // remove package from internal structures. Note that we want deletePackageX to 10284 // delete the package data and cache directories that it created in 10285 // scanPackageLocked, unless those directories existed before we even tried to 10286 // install. 10287 if(updatedSettings) { 10288 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10289 deletePackageLI( 10290 pkgName, null, true, allUsers, perUserInstalled, 10291 PackageManager.DELETE_KEEP_DATA, 10292 res.removedInfo, true); 10293 } 10294 // Since we failed to install the new package we need to restore the old 10295 // package that we deleted. 10296 if (deletedPkg) { 10297 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10298 File restoreFile = new File(deletedPackage.codePath); 10299 // Parse old package 10300 boolean oldOnSd = isExternal(deletedPackage); 10301 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10302 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10303 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10304 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10305 try { 10306 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10307 } catch (PackageManagerException e) { 10308 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10309 + e.getMessage()); 10310 return; 10311 } 10312 // Restore of old package succeeded. Update permissions. 10313 // writer 10314 synchronized (mPackages) { 10315 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10316 UPDATE_PERMISSIONS_ALL); 10317 // can downgrade to reader 10318 mSettings.writeLPr(); 10319 } 10320 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10321 } 10322 } 10323 } 10324 10325 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10326 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10327 int[] allUsers, boolean[] perUserInstalled, 10328 String installerPackageName, PackageInstalledInfo res) { 10329 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10330 + ", old=" + deletedPackage); 10331 boolean disabledSystem = false; 10332 boolean updatedSettings = false; 10333 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10334 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10335 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10336 } 10337 String packageName = deletedPackage.packageName; 10338 if (packageName == null) { 10339 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10340 "Attempt to delete null packageName."); 10341 return; 10342 } 10343 PackageParser.Package oldPkg; 10344 PackageSetting oldPkgSetting; 10345 // reader 10346 synchronized (mPackages) { 10347 oldPkg = mPackages.get(packageName); 10348 oldPkgSetting = mSettings.mPackages.get(packageName); 10349 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10350 (oldPkgSetting == null)) { 10351 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10352 "Couldn't find package:" + packageName + " information"); 10353 return; 10354 } 10355 } 10356 10357 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10358 10359 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10360 res.removedInfo.removedPackage = packageName; 10361 // Remove existing system package 10362 removePackageLI(oldPkgSetting, true); 10363 // writer 10364 synchronized (mPackages) { 10365 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10366 if (!disabledSystem && deletedPackage != null) { 10367 // We didn't need to disable the .apk as a current system package, 10368 // which means we are replacing another update that is already 10369 // installed. We need to make sure to delete the older one's .apk. 10370 res.removedInfo.args = createInstallArgsForExisting(0, 10371 deletedPackage.applicationInfo.getCodePath(), 10372 deletedPackage.applicationInfo.getResourcePath(), 10373 deletedPackage.applicationInfo.nativeLibraryRootDir, 10374 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10375 } else { 10376 res.removedInfo.args = null; 10377 } 10378 } 10379 10380 // Successfully disabled the old package. Now proceed with re-installation 10381 deleteCodeCacheDirsLI(packageName); 10382 10383 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10384 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10385 10386 PackageParser.Package newPackage = null; 10387 try { 10388 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10389 if (newPackage.mExtras != null) { 10390 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10391 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10392 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10393 10394 // is the update attempting to change shared user? that isn't going to work... 10395 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10396 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10397 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10398 + " to " + newPkgSetting.sharedUser); 10399 updatedSettings = true; 10400 } 10401 } 10402 10403 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10404 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10405 updatedSettings = true; 10406 } 10407 10408 } catch (PackageManagerException e) { 10409 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10410 } 10411 10412 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10413 // Re installation failed. Restore old information 10414 // Remove new pkg information 10415 if (newPackage != null) { 10416 removeInstalledPackageLI(newPackage, true); 10417 } 10418 // Add back the old system package 10419 try { 10420 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10421 } catch (PackageManagerException e) { 10422 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10423 } 10424 // Restore the old system information in Settings 10425 synchronized (mPackages) { 10426 if (disabledSystem) { 10427 mSettings.enableSystemPackageLPw(packageName); 10428 } 10429 if (updatedSettings) { 10430 mSettings.setInstallerPackageName(packageName, 10431 oldPkgSetting.installerPackageName); 10432 } 10433 mSettings.writeLPr(); 10434 } 10435 } 10436 } 10437 10438 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10439 int[] allUsers, boolean[] perUserInstalled, 10440 PackageInstalledInfo res) { 10441 String pkgName = newPackage.packageName; 10442 synchronized (mPackages) { 10443 //write settings. the installStatus will be incomplete at this stage. 10444 //note that the new package setting would have already been 10445 //added to mPackages. It hasn't been persisted yet. 10446 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10447 mSettings.writeLPr(); 10448 } 10449 10450 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10451 10452 synchronized (mPackages) { 10453 updatePermissionsLPw(newPackage.packageName, newPackage, 10454 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10455 ? UPDATE_PERMISSIONS_ALL : 0)); 10456 // For system-bundled packages, we assume that installing an upgraded version 10457 // of the package implies that the user actually wants to run that new code, 10458 // so we enable the package. 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 PackageSetting ps = mSettings.mPackages.get(pkgName); 10465 if (ps != null) { 10466 if (res.origUsers != null) { 10467 for (int userHandle : res.origUsers) { 10468 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10469 userHandle, installerPackageName); 10470 } 10471 } 10472 // Also convey the prior install/uninstall state 10473 if (allUsers != null && perUserInstalled != null) { 10474 for (int i = 0; i < allUsers.length; i++) { 10475 if (DEBUG_INSTALL) { 10476 Slog.d(TAG, " user " + allUsers[i] 10477 + " => " + perUserInstalled[i]); 10478 } 10479 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10480 } 10481 // these install state changes will be persisted in the 10482 // upcoming call to mSettings.writeLPr(). 10483 } 10484 } 10485 } 10486 res.name = pkgName; 10487 res.uid = newPackage.applicationInfo.uid; 10488 res.pkg = newPackage; 10489 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10490 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10491 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10492 //to update install status 10493 mSettings.writeLPr(); 10494 } 10495 } 10496 10497 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10498 final int installFlags = args.installFlags; 10499 String installerPackageName = args.installerPackageName; 10500 File tmpPackageFile = new File(args.getCodePath()); 10501 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10502 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10503 boolean replace = false; 10504 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10505 // Result object to be returned 10506 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10507 10508 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10509 // Retrieve PackageSettings and parse package 10510 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10511 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10512 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10513 PackageParser pp = new PackageParser(); 10514 pp.setSeparateProcesses(mSeparateProcesses); 10515 pp.setDisplayMetrics(mMetrics); 10516 10517 final PackageParser.Package pkg; 10518 try { 10519 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10520 } catch (PackageParserException e) { 10521 res.setError("Failed parse during installPackageLI", e); 10522 return; 10523 } 10524 10525 // Mark that we have an install time CPU ABI override. 10526 pkg.cpuAbiOverride = args.abiOverride; 10527 10528 String pkgName = res.name = pkg.packageName; 10529 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10530 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10531 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10532 return; 10533 } 10534 } 10535 10536 try { 10537 pp.collectCertificates(pkg, parseFlags); 10538 pp.collectManifestDigest(pkg); 10539 } catch (PackageParserException e) { 10540 res.setError("Failed collect during installPackageLI", e); 10541 return; 10542 } 10543 10544 /* If the installer passed in a manifest digest, compare it now. */ 10545 if (args.manifestDigest != null) { 10546 if (DEBUG_INSTALL) { 10547 final String parsedManifest = pkg.manifestDigest == null ? "null" 10548 : pkg.manifestDigest.toString(); 10549 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10550 + parsedManifest); 10551 } 10552 10553 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10554 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10555 return; 10556 } 10557 } else if (DEBUG_INSTALL) { 10558 final String parsedManifest = pkg.manifestDigest == null 10559 ? "null" : pkg.manifestDigest.toString(); 10560 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10561 } 10562 10563 // Get rid of all references to package scan path via parser. 10564 pp = null; 10565 String oldCodePath = null; 10566 boolean systemApp = false; 10567 synchronized (mPackages) { 10568 // Check if installing already existing package 10569 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10570 String oldName = mSettings.mRenamedPackages.get(pkgName); 10571 if (pkg.mOriginalPackages != null 10572 && pkg.mOriginalPackages.contains(oldName) 10573 && mPackages.containsKey(oldName)) { 10574 // This package is derived from an original package, 10575 // and this device has been updating from that original 10576 // name. We must continue using the original name, so 10577 // rename the new package here. 10578 pkg.setPackageName(oldName); 10579 pkgName = pkg.packageName; 10580 replace = true; 10581 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10582 + oldName + " pkgName=" + pkgName); 10583 } else if (mPackages.containsKey(pkgName)) { 10584 // This package, under its official name, already exists 10585 // on the device; we should replace it. 10586 replace = true; 10587 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10588 } 10589 } 10590 10591 PackageSetting ps = mSettings.mPackages.get(pkgName); 10592 if (ps != null) { 10593 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10594 10595 // Quick sanity check that we're signed correctly if updating; 10596 // we'll check this again later when scanning, but we want to 10597 // bail early here before tripping over redefined permissions. 10598 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10599 try { 10600 verifySignaturesLP(ps, pkg); 10601 } catch (PackageManagerException e) { 10602 res.setError(e.error, e.getMessage()); 10603 return; 10604 } 10605 } else { 10606 if (!checkUpgradeKeySetLP(ps, pkg)) { 10607 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10608 + pkg.packageName + " upgrade keys do not match the " 10609 + "previously installed version"); 10610 return; 10611 } 10612 } 10613 10614 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10615 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10616 systemApp = (ps.pkg.applicationInfo.flags & 10617 ApplicationInfo.FLAG_SYSTEM) != 0; 10618 } 10619 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10620 } 10621 10622 // Check whether the newly-scanned package wants to define an already-defined perm 10623 int N = pkg.permissions.size(); 10624 for (int i = N-1; i >= 0; i--) { 10625 PackageParser.Permission perm = pkg.permissions.get(i); 10626 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10627 if (bp != null) { 10628 // If the defining package is signed with our cert, it's okay. This 10629 // also includes the "updating the same package" case, of course. 10630 // "updating same package" could also involve key-rotation. 10631 final boolean sigsOk; 10632 if (!bp.sourcePackage.equals(pkg.packageName) 10633 || !(bp.packageSetting instanceof PackageSetting) 10634 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10635 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10636 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10637 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10638 } else { 10639 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10640 } 10641 if (!sigsOk) { 10642 // If the owning package is the system itself, we log but allow 10643 // install to proceed; we fail the install on all other permission 10644 // redefinitions. 10645 if (!bp.sourcePackage.equals("android")) { 10646 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10647 + pkg.packageName + " attempting to redeclare permission " 10648 + perm.info.name + " already owned by " + bp.sourcePackage); 10649 res.origPermission = perm.info.name; 10650 res.origPackage = bp.sourcePackage; 10651 return; 10652 } else { 10653 Slog.w(TAG, "Package " + pkg.packageName 10654 + " attempting to redeclare system permission " 10655 + perm.info.name + "; ignoring new declaration"); 10656 pkg.permissions.remove(i); 10657 } 10658 } 10659 } 10660 } 10661 10662 } 10663 10664 if (systemApp && onSd) { 10665 // Disable updates to system apps on sdcard 10666 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10667 "Cannot install updates to system apps on sdcard"); 10668 return; 10669 } 10670 10671 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10672 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10673 return; 10674 } 10675 10676 if (replace) { 10677 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10678 installerPackageName, res); 10679 } else { 10680 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10681 args.user, installerPackageName, res); 10682 } 10683 synchronized (mPackages) { 10684 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10685 if (ps != null) { 10686 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10687 } 10688 } 10689 } 10690 10691 private static boolean isForwardLocked(PackageParser.Package pkg) { 10692 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10693 } 10694 10695 private static boolean isForwardLocked(ApplicationInfo info) { 10696 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10697 } 10698 10699 private boolean isForwardLocked(PackageSetting ps) { 10700 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10701 } 10702 10703 private static boolean isMultiArch(PackageSetting ps) { 10704 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10705 } 10706 10707 private static boolean isMultiArch(ApplicationInfo info) { 10708 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10709 } 10710 10711 private static boolean isExternal(PackageParser.Package pkg) { 10712 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10713 } 10714 10715 private static boolean isExternal(PackageSetting ps) { 10716 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10717 } 10718 10719 private static boolean isExternal(ApplicationInfo info) { 10720 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10721 } 10722 10723 private static boolean isSystemApp(PackageParser.Package pkg) { 10724 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10725 } 10726 10727 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10728 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10729 } 10730 10731 private static boolean isSystemApp(ApplicationInfo info) { 10732 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10733 } 10734 10735 private static boolean isSystemApp(PackageSetting ps) { 10736 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10737 } 10738 10739 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10740 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10741 } 10742 10743 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10744 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10745 } 10746 10747 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10748 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10749 } 10750 10751 private int packageFlagsToInstallFlags(PackageSetting ps) { 10752 int installFlags = 0; 10753 if (isExternal(ps)) { 10754 installFlags |= PackageManager.INSTALL_EXTERNAL; 10755 } 10756 if (isForwardLocked(ps)) { 10757 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10758 } 10759 return installFlags; 10760 } 10761 10762 private void deleteTempPackageFiles() { 10763 final FilenameFilter filter = new FilenameFilter() { 10764 public boolean accept(File dir, String name) { 10765 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10766 } 10767 }; 10768 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10769 file.delete(); 10770 } 10771 } 10772 10773 @Override 10774 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10775 int flags) { 10776 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10777 flags); 10778 } 10779 10780 @Override 10781 public void deletePackage(final String packageName, 10782 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10783 mContext.enforceCallingOrSelfPermission( 10784 android.Manifest.permission.DELETE_PACKAGES, null); 10785 final int uid = Binder.getCallingUid(); 10786 if (UserHandle.getUserId(uid) != userId) { 10787 mContext.enforceCallingPermission( 10788 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10789 "deletePackage for user " + userId); 10790 } 10791 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10792 try { 10793 observer.onPackageDeleted(packageName, 10794 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10795 } catch (RemoteException re) { 10796 } 10797 return; 10798 } 10799 10800 boolean uninstallBlocked = false; 10801 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10802 int[] users = sUserManager.getUserIds(); 10803 for (int i = 0; i < users.length; ++i) { 10804 if (getBlockUninstallForUser(packageName, users[i])) { 10805 uninstallBlocked = true; 10806 break; 10807 } 10808 } 10809 } else { 10810 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10811 } 10812 if (uninstallBlocked) { 10813 try { 10814 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10815 null); 10816 } catch (RemoteException re) { 10817 } 10818 return; 10819 } 10820 10821 if (DEBUG_REMOVE) { 10822 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10823 } 10824 // Queue up an async operation since the package deletion may take a little while. 10825 mHandler.post(new Runnable() { 10826 public void run() { 10827 mHandler.removeCallbacks(this); 10828 final int returnCode = deletePackageX(packageName, userId, flags); 10829 if (observer != null) { 10830 try { 10831 observer.onPackageDeleted(packageName, returnCode, null); 10832 } catch (RemoteException e) { 10833 Log.i(TAG, "Observer no longer exists."); 10834 } //end catch 10835 } //end if 10836 } //end run 10837 }); 10838 } 10839 10840 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10841 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10842 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10843 try { 10844 if (dpm != null) { 10845 if (dpm.isDeviceOwner(packageName)) { 10846 return true; 10847 } 10848 int[] users; 10849 if (userId == UserHandle.USER_ALL) { 10850 users = sUserManager.getUserIds(); 10851 } else { 10852 users = new int[]{userId}; 10853 } 10854 for (int i = 0; i < users.length; ++i) { 10855 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10856 return true; 10857 } 10858 } 10859 } 10860 } catch (RemoteException e) { 10861 } 10862 return false; 10863 } 10864 10865 /** 10866 * This method is an internal method that could be get invoked either 10867 * to delete an installed package or to clean up a failed installation. 10868 * After deleting an installed package, a broadcast is sent to notify any 10869 * listeners that the package has been installed. For cleaning up a failed 10870 * installation, the broadcast is not necessary since the package's 10871 * installation wouldn't have sent the initial broadcast either 10872 * The key steps in deleting a package are 10873 * deleting the package information in internal structures like mPackages, 10874 * deleting the packages base directories through installd 10875 * updating mSettings to reflect current status 10876 * persisting settings for later use 10877 * sending a broadcast if necessary 10878 */ 10879 private int deletePackageX(String packageName, int userId, int flags) { 10880 final PackageRemovedInfo info = new PackageRemovedInfo(); 10881 final boolean res; 10882 10883 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10884 ? UserHandle.ALL : new UserHandle(userId); 10885 10886 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10887 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10888 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10889 } 10890 10891 boolean removedForAllUsers = false; 10892 boolean systemUpdate = false; 10893 10894 // for the uninstall-updates case and restricted profiles, remember the per- 10895 // userhandle installed state 10896 int[] allUsers; 10897 boolean[] perUserInstalled; 10898 synchronized (mPackages) { 10899 PackageSetting ps = mSettings.mPackages.get(packageName); 10900 allUsers = sUserManager.getUserIds(); 10901 perUserInstalled = new boolean[allUsers.length]; 10902 for (int i = 0; i < allUsers.length; i++) { 10903 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10904 } 10905 } 10906 10907 synchronized (mInstallLock) { 10908 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10909 res = deletePackageLI(packageName, removeForUser, 10910 true, allUsers, perUserInstalled, 10911 flags | REMOVE_CHATTY, info, true); 10912 systemUpdate = info.isRemovedPackageSystemUpdate; 10913 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10914 removedForAllUsers = true; 10915 } 10916 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10917 + " removedForAllUsers=" + removedForAllUsers); 10918 } 10919 10920 if (res) { 10921 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10922 10923 // If the removed package was a system update, the old system package 10924 // was re-enabled; we need to broadcast this information 10925 if (systemUpdate) { 10926 Bundle extras = new Bundle(1); 10927 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10928 ? info.removedAppId : info.uid); 10929 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10930 10931 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10932 extras, null, null, null); 10933 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10934 extras, null, null, null); 10935 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10936 null, packageName, null, null); 10937 } 10938 } 10939 // Force a gc here. 10940 Runtime.getRuntime().gc(); 10941 // Delete the resources here after sending the broadcast to let 10942 // other processes clean up before deleting resources. 10943 if (info.args != null) { 10944 synchronized (mInstallLock) { 10945 info.args.doPostDeleteLI(true); 10946 } 10947 } 10948 10949 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10950 } 10951 10952 static class PackageRemovedInfo { 10953 String removedPackage; 10954 int uid = -1; 10955 int removedAppId = -1; 10956 int[] removedUsers = null; 10957 boolean isRemovedPackageSystemUpdate = false; 10958 // Clean up resources deleted packages. 10959 InstallArgs args = null; 10960 10961 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10962 Bundle extras = new Bundle(1); 10963 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10964 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10965 if (replacing) { 10966 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10967 } 10968 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10969 if (removedPackage != null) { 10970 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10971 extras, null, null, removedUsers); 10972 if (fullRemove && !replacing) { 10973 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10974 extras, null, null, removedUsers); 10975 } 10976 } 10977 if (removedAppId >= 0) { 10978 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10979 removedUsers); 10980 } 10981 } 10982 } 10983 10984 /* 10985 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10986 * flag is not set, the data directory is removed as well. 10987 * make sure this flag is set for partially installed apps. If not its meaningless to 10988 * delete a partially installed application. 10989 */ 10990 private void removePackageDataLI(PackageSetting ps, 10991 int[] allUserHandles, boolean[] perUserInstalled, 10992 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10993 String packageName = ps.name; 10994 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10995 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10996 // Retrieve object to delete permissions for shared user later on 10997 final PackageSetting deletedPs; 10998 // reader 10999 synchronized (mPackages) { 11000 deletedPs = mSettings.mPackages.get(packageName); 11001 if (outInfo != null) { 11002 outInfo.removedPackage = packageName; 11003 outInfo.removedUsers = deletedPs != null 11004 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 11005 : null; 11006 } 11007 } 11008 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11009 removeDataDirsLI(packageName); 11010 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 11011 } 11012 // writer 11013 synchronized (mPackages) { 11014 if (deletedPs != null) { 11015 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11016 if (outInfo != null) { 11017 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 11018 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 11019 } 11020 if (deletedPs != null) { 11021 updatePermissionsLPw(deletedPs.name, null, 0); 11022 if (deletedPs.sharedUser != null) { 11023 // remove permissions associated with package 11024 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 11025 } 11026 } 11027 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 11028 } 11029 // make sure to preserve per-user disabled state if this removal was just 11030 // a downgrade of a system app to the factory package 11031 if (allUserHandles != null && perUserInstalled != null) { 11032 if (DEBUG_REMOVE) { 11033 Slog.d(TAG, "Propagating install state across downgrade"); 11034 } 11035 for (int i = 0; i < allUserHandles.length; i++) { 11036 if (DEBUG_REMOVE) { 11037 Slog.d(TAG, " user " + allUserHandles[i] 11038 + " => " + perUserInstalled[i]); 11039 } 11040 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11041 } 11042 } 11043 } 11044 // can downgrade to reader 11045 if (writeSettings) { 11046 // Save settings now 11047 mSettings.writeLPr(); 11048 } 11049 } 11050 if (outInfo != null) { 11051 // A user ID was deleted here. Go through all users and remove it 11052 // from KeyStore. 11053 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 11054 } 11055 } 11056 11057 static boolean locationIsPrivileged(File path) { 11058 try { 11059 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 11060 .getCanonicalPath(); 11061 return path.getCanonicalPath().startsWith(privilegedAppDir); 11062 } catch (IOException e) { 11063 Slog.e(TAG, "Unable to access code path " + path); 11064 } 11065 return false; 11066 } 11067 11068 /* 11069 * Tries to delete system package. 11070 */ 11071 private boolean deleteSystemPackageLI(PackageSetting newPs, 11072 int[] allUserHandles, boolean[] perUserInstalled, 11073 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 11074 final boolean applyUserRestrictions 11075 = (allUserHandles != null) && (perUserInstalled != null); 11076 PackageSetting disabledPs = null; 11077 // Confirm if the system package has been updated 11078 // An updated system app can be deleted. This will also have to restore 11079 // the system pkg from system partition 11080 // reader 11081 synchronized (mPackages) { 11082 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 11083 } 11084 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 11085 + " disabledPs=" + disabledPs); 11086 if (disabledPs == null) { 11087 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 11088 return false; 11089 } else if (DEBUG_REMOVE) { 11090 Slog.d(TAG, "Deleting system pkg from data partition"); 11091 } 11092 if (DEBUG_REMOVE) { 11093 if (applyUserRestrictions) { 11094 Slog.d(TAG, "Remembering install states:"); 11095 for (int i = 0; i < allUserHandles.length; i++) { 11096 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 11097 } 11098 } 11099 } 11100 // Delete the updated package 11101 outInfo.isRemovedPackageSystemUpdate = true; 11102 if (disabledPs.versionCode < newPs.versionCode) { 11103 // Delete data for downgrades 11104 flags &= ~PackageManager.DELETE_KEEP_DATA; 11105 } else { 11106 // Preserve data by setting flag 11107 flags |= PackageManager.DELETE_KEEP_DATA; 11108 } 11109 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 11110 allUserHandles, perUserInstalled, outInfo, writeSettings); 11111 if (!ret) { 11112 return false; 11113 } 11114 // writer 11115 synchronized (mPackages) { 11116 // Reinstate the old system package 11117 mSettings.enableSystemPackageLPw(newPs.name); 11118 // Remove any native libraries from the upgraded package. 11119 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 11120 } 11121 // Install the system package 11122 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 11123 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 11124 if (locationIsPrivileged(disabledPs.codePath)) { 11125 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11126 } 11127 11128 final PackageParser.Package newPkg; 11129 try { 11130 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 11131 } catch (PackageManagerException e) { 11132 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 11133 return false; 11134 } 11135 11136 // writer 11137 synchronized (mPackages) { 11138 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 11139 updatePermissionsLPw(newPkg.packageName, newPkg, 11140 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 11141 if (applyUserRestrictions) { 11142 if (DEBUG_REMOVE) { 11143 Slog.d(TAG, "Propagating install state across reinstall"); 11144 } 11145 for (int i = 0; i < allUserHandles.length; i++) { 11146 if (DEBUG_REMOVE) { 11147 Slog.d(TAG, " user " + allUserHandles[i] 11148 + " => " + perUserInstalled[i]); 11149 } 11150 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11151 } 11152 // Regardless of writeSettings we need to ensure that this restriction 11153 // state propagation is persisted 11154 mSettings.writeAllUsersPackageRestrictionsLPr(); 11155 } 11156 // can downgrade to reader here 11157 if (writeSettings) { 11158 mSettings.writeLPr(); 11159 } 11160 } 11161 return true; 11162 } 11163 11164 private boolean deleteInstalledPackageLI(PackageSetting ps, 11165 boolean deleteCodeAndResources, int flags, 11166 int[] allUserHandles, boolean[] perUserInstalled, 11167 PackageRemovedInfo outInfo, boolean writeSettings) { 11168 if (outInfo != null) { 11169 outInfo.uid = ps.appId; 11170 } 11171 11172 // Delete package data from internal structures and also remove data if flag is set 11173 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11174 11175 // Delete application code and resources 11176 if (deleteCodeAndResources && (outInfo != null)) { 11177 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 11178 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11179 getAppDexInstructionSets(ps)); 11180 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11181 } 11182 return true; 11183 } 11184 11185 @Override 11186 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11187 int userId) { 11188 mContext.enforceCallingOrSelfPermission( 11189 android.Manifest.permission.DELETE_PACKAGES, null); 11190 synchronized (mPackages) { 11191 PackageSetting ps = mSettings.mPackages.get(packageName); 11192 if (ps == null) { 11193 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11194 return false; 11195 } 11196 if (!ps.getInstalled(userId)) { 11197 // Can't block uninstall for an app that is not installed or enabled. 11198 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11199 return false; 11200 } 11201 ps.setBlockUninstall(blockUninstall, userId); 11202 mSettings.writePackageRestrictionsLPr(userId); 11203 } 11204 return true; 11205 } 11206 11207 @Override 11208 public boolean getBlockUninstallForUser(String packageName, int userId) { 11209 synchronized (mPackages) { 11210 PackageSetting ps = mSettings.mPackages.get(packageName); 11211 if (ps == null) { 11212 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11213 return false; 11214 } 11215 return ps.getBlockUninstall(userId); 11216 } 11217 } 11218 11219 /* 11220 * This method handles package deletion in general 11221 */ 11222 private boolean deletePackageLI(String packageName, UserHandle user, 11223 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11224 int flags, PackageRemovedInfo outInfo, 11225 boolean writeSettings) { 11226 if (packageName == null) { 11227 Slog.w(TAG, "Attempt to delete null packageName."); 11228 return false; 11229 } 11230 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11231 PackageSetting ps; 11232 boolean dataOnly = false; 11233 int removeUser = -1; 11234 int appId = -1; 11235 synchronized (mPackages) { 11236 ps = mSettings.mPackages.get(packageName); 11237 if (ps == null) { 11238 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11239 return false; 11240 } 11241 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11242 && user.getIdentifier() != UserHandle.USER_ALL) { 11243 // The caller is asking that the package only be deleted for a single 11244 // user. To do this, we just mark its uninstalled state and delete 11245 // its data. If this is a system app, we only allow this to happen if 11246 // they have set the special DELETE_SYSTEM_APP which requests different 11247 // semantics than normal for uninstalling system apps. 11248 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11249 ps.setUserState(user.getIdentifier(), 11250 COMPONENT_ENABLED_STATE_DEFAULT, 11251 false, //installed 11252 true, //stopped 11253 true, //notLaunched 11254 false, //hidden 11255 null, null, null, 11256 false // blockUninstall 11257 ); 11258 if (!isSystemApp(ps)) { 11259 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11260 // Other user still have this package installed, so all 11261 // we need to do is clear this user's data and save that 11262 // it is uninstalled. 11263 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11264 removeUser = user.getIdentifier(); 11265 appId = ps.appId; 11266 mSettings.writePackageRestrictionsLPr(removeUser); 11267 } else { 11268 // We need to set it back to 'installed' so the uninstall 11269 // broadcasts will be sent correctly. 11270 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11271 ps.setInstalled(true, user.getIdentifier()); 11272 } 11273 } else { 11274 // This is a system app, so we assume that the 11275 // other users still have this package installed, so all 11276 // we need to do is clear this user's data and save that 11277 // it is uninstalled. 11278 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11279 removeUser = user.getIdentifier(); 11280 appId = ps.appId; 11281 mSettings.writePackageRestrictionsLPr(removeUser); 11282 } 11283 } 11284 } 11285 11286 if (removeUser >= 0) { 11287 // From above, we determined that we are deleting this only 11288 // for a single user. Continue the work here. 11289 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11290 if (outInfo != null) { 11291 outInfo.removedPackage = packageName; 11292 outInfo.removedAppId = appId; 11293 outInfo.removedUsers = new int[] {removeUser}; 11294 } 11295 mInstaller.clearUserData(packageName, removeUser); 11296 removeKeystoreDataIfNeeded(removeUser, appId); 11297 schedulePackageCleaning(packageName, removeUser, false); 11298 return true; 11299 } 11300 11301 if (dataOnly) { 11302 // Delete application data first 11303 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11304 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11305 return true; 11306 } 11307 11308 boolean ret = false; 11309 if (isSystemApp(ps)) { 11310 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11311 // When an updated system application is deleted we delete the existing resources as well and 11312 // fall back to existing code in system partition 11313 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11314 flags, outInfo, writeSettings); 11315 } else { 11316 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11317 // Kill application pre-emptively especially for apps on sd. 11318 killApplication(packageName, ps.appId, "uninstall pkg"); 11319 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11320 allUserHandles, perUserInstalled, 11321 outInfo, writeSettings); 11322 } 11323 11324 return ret; 11325 } 11326 11327 private final class ClearStorageConnection implements ServiceConnection { 11328 IMediaContainerService mContainerService; 11329 11330 @Override 11331 public void onServiceConnected(ComponentName name, IBinder service) { 11332 synchronized (this) { 11333 mContainerService = IMediaContainerService.Stub.asInterface(service); 11334 notifyAll(); 11335 } 11336 } 11337 11338 @Override 11339 public void onServiceDisconnected(ComponentName name) { 11340 } 11341 } 11342 11343 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11344 final boolean mounted; 11345 if (Environment.isExternalStorageEmulated()) { 11346 mounted = true; 11347 } else { 11348 final String status = Environment.getExternalStorageState(); 11349 11350 mounted = status.equals(Environment.MEDIA_MOUNTED) 11351 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11352 } 11353 11354 if (!mounted) { 11355 return; 11356 } 11357 11358 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11359 int[] users; 11360 if (userId == UserHandle.USER_ALL) { 11361 users = sUserManager.getUserIds(); 11362 } else { 11363 users = new int[] { userId }; 11364 } 11365 final ClearStorageConnection conn = new ClearStorageConnection(); 11366 if (mContext.bindServiceAsUser( 11367 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11368 try { 11369 for (int curUser : users) { 11370 long timeout = SystemClock.uptimeMillis() + 5000; 11371 synchronized (conn) { 11372 long now = SystemClock.uptimeMillis(); 11373 while (conn.mContainerService == null && now < timeout) { 11374 try { 11375 conn.wait(timeout - now); 11376 } catch (InterruptedException e) { 11377 } 11378 } 11379 } 11380 if (conn.mContainerService == null) { 11381 return; 11382 } 11383 11384 final UserEnvironment userEnv = new UserEnvironment(curUser); 11385 clearDirectory(conn.mContainerService, 11386 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11387 if (allData) { 11388 clearDirectory(conn.mContainerService, 11389 userEnv.buildExternalStorageAppDataDirs(packageName)); 11390 clearDirectory(conn.mContainerService, 11391 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11392 } 11393 } 11394 } finally { 11395 mContext.unbindService(conn); 11396 } 11397 } 11398 } 11399 11400 @Override 11401 public void clearApplicationUserData(final String packageName, 11402 final IPackageDataObserver observer, final int userId) { 11403 mContext.enforceCallingOrSelfPermission( 11404 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11405 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11406 // Queue up an async operation since the package deletion may take a little while. 11407 mHandler.post(new Runnable() { 11408 public void run() { 11409 mHandler.removeCallbacks(this); 11410 final boolean succeeded; 11411 synchronized (mInstallLock) { 11412 succeeded = clearApplicationUserDataLI(packageName, userId); 11413 } 11414 clearExternalStorageDataSync(packageName, userId, true); 11415 if (succeeded) { 11416 // invoke DeviceStorageMonitor's update method to clear any notifications 11417 DeviceStorageMonitorInternal 11418 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11419 if (dsm != null) { 11420 dsm.checkMemory(); 11421 } 11422 } 11423 if(observer != null) { 11424 try { 11425 observer.onRemoveCompleted(packageName, succeeded); 11426 } catch (RemoteException e) { 11427 Log.i(TAG, "Observer no longer exists."); 11428 } 11429 } //end if observer 11430 } //end run 11431 }); 11432 } 11433 11434 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11435 if (packageName == null) { 11436 Slog.w(TAG, "Attempt to delete null packageName."); 11437 return false; 11438 } 11439 11440 // Try finding details about the requested package 11441 PackageParser.Package pkg; 11442 synchronized (mPackages) { 11443 pkg = mPackages.get(packageName); 11444 if (pkg == null) { 11445 final PackageSetting ps = mSettings.mPackages.get(packageName); 11446 if (ps != null) { 11447 pkg = ps.pkg; 11448 } 11449 } 11450 } 11451 11452 if (pkg == null) { 11453 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11454 } 11455 11456 // Always delete data directories for package, even if we found no other 11457 // record of app. This helps users recover from UID mismatches without 11458 // resorting to a full data wipe. 11459 int retCode = mInstaller.clearUserData(packageName, userId); 11460 if (retCode < 0) { 11461 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11462 return false; 11463 } 11464 11465 if (pkg == null) { 11466 return false; 11467 } 11468 11469 if (pkg != null && pkg.applicationInfo != null) { 11470 final int appId = pkg.applicationInfo.uid; 11471 removeKeystoreDataIfNeeded(userId, appId); 11472 } 11473 11474 // Create a native library symlink only if we have native libraries 11475 // and if the native libraries are 32 bit libraries. We do not provide 11476 // this symlink for 64 bit libraries. 11477 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11478 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11479 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11480 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11481 Slog.w(TAG, "Failed linking native library dir"); 11482 return false; 11483 } 11484 } 11485 11486 return true; 11487 } 11488 11489 /** 11490 * Remove entries from the keystore daemon. Will only remove it if the 11491 * {@code appId} is valid. 11492 */ 11493 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11494 if (appId < 0) { 11495 return; 11496 } 11497 11498 final KeyStore keyStore = KeyStore.getInstance(); 11499 if (keyStore != null) { 11500 if (userId == UserHandle.USER_ALL) { 11501 for (final int individual : sUserManager.getUserIds()) { 11502 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11503 } 11504 } else { 11505 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11506 } 11507 } else { 11508 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11509 } 11510 } 11511 11512 @Override 11513 public void deleteApplicationCacheFiles(final String packageName, 11514 final IPackageDataObserver observer) { 11515 mContext.enforceCallingOrSelfPermission( 11516 android.Manifest.permission.DELETE_CACHE_FILES, null); 11517 // Queue up an async operation since the package deletion may take a little while. 11518 final int userId = UserHandle.getCallingUserId(); 11519 mHandler.post(new Runnable() { 11520 public void run() { 11521 mHandler.removeCallbacks(this); 11522 final boolean succeded; 11523 synchronized (mInstallLock) { 11524 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11525 } 11526 clearExternalStorageDataSync(packageName, userId, false); 11527 if(observer != null) { 11528 try { 11529 observer.onRemoveCompleted(packageName, succeded); 11530 } catch (RemoteException e) { 11531 Log.i(TAG, "Observer no longer exists."); 11532 } 11533 } //end if observer 11534 } //end run 11535 }); 11536 } 11537 11538 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11539 if (packageName == null) { 11540 Slog.w(TAG, "Attempt to delete null packageName."); 11541 return false; 11542 } 11543 PackageParser.Package p; 11544 synchronized (mPackages) { 11545 p = mPackages.get(packageName); 11546 } 11547 if (p == null) { 11548 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11549 return false; 11550 } 11551 final ApplicationInfo applicationInfo = p.applicationInfo; 11552 if (applicationInfo == null) { 11553 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11554 return false; 11555 } 11556 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11557 if (retCode < 0) { 11558 Slog.w(TAG, "Couldn't remove cache files for package: " 11559 + packageName + " u" + userId); 11560 return false; 11561 } 11562 return true; 11563 } 11564 11565 @Override 11566 public void getPackageSizeInfo(final String packageName, int userHandle, 11567 final IPackageStatsObserver observer) { 11568 mContext.enforceCallingOrSelfPermission( 11569 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11570 if (packageName == null) { 11571 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11572 } 11573 11574 PackageStats stats = new PackageStats(packageName, userHandle); 11575 11576 /* 11577 * Queue up an async operation since the package measurement may take a 11578 * little while. 11579 */ 11580 Message msg = mHandler.obtainMessage(INIT_COPY); 11581 msg.obj = new MeasureParams(stats, observer); 11582 mHandler.sendMessage(msg); 11583 } 11584 11585 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11586 PackageStats pStats) { 11587 if (packageName == null) { 11588 Slog.w(TAG, "Attempt to get size of null packageName."); 11589 return false; 11590 } 11591 PackageParser.Package p; 11592 boolean dataOnly = false; 11593 String libDirRoot = null; 11594 String asecPath = null; 11595 PackageSetting ps = null; 11596 synchronized (mPackages) { 11597 p = mPackages.get(packageName); 11598 ps = mSettings.mPackages.get(packageName); 11599 if(p == null) { 11600 dataOnly = true; 11601 if((ps == null) || (ps.pkg == null)) { 11602 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11603 return false; 11604 } 11605 p = ps.pkg; 11606 } 11607 if (ps != null) { 11608 libDirRoot = ps.legacyNativeLibraryPathString; 11609 } 11610 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11611 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11612 if (secureContainerId != null) { 11613 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11614 } 11615 } 11616 } 11617 String publicSrcDir = null; 11618 if(!dataOnly) { 11619 final ApplicationInfo applicationInfo = p.applicationInfo; 11620 if (applicationInfo == null) { 11621 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11622 return false; 11623 } 11624 if (isForwardLocked(p)) { 11625 publicSrcDir = applicationInfo.getBaseResourcePath(); 11626 } 11627 } 11628 // TODO: extend to measure size of split APKs 11629 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11630 // not just the first level. 11631 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11632 // just the primary. 11633 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11634 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11635 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11636 if (res < 0) { 11637 return false; 11638 } 11639 11640 // Fix-up for forward-locked applications in ASEC containers. 11641 if (!isExternal(p)) { 11642 pStats.codeSize += pStats.externalCodeSize; 11643 pStats.externalCodeSize = 0L; 11644 } 11645 11646 return true; 11647 } 11648 11649 11650 @Override 11651 public void addPackageToPreferred(String packageName) { 11652 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11653 } 11654 11655 @Override 11656 public void removePackageFromPreferred(String packageName) { 11657 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11658 } 11659 11660 @Override 11661 public List<PackageInfo> getPreferredPackages(int flags) { 11662 return new ArrayList<PackageInfo>(); 11663 } 11664 11665 private int getUidTargetSdkVersionLockedLPr(int uid) { 11666 Object obj = mSettings.getUserIdLPr(uid); 11667 if (obj instanceof SharedUserSetting) { 11668 final SharedUserSetting sus = (SharedUserSetting) obj; 11669 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11670 final Iterator<PackageSetting> it = sus.packages.iterator(); 11671 while (it.hasNext()) { 11672 final PackageSetting ps = it.next(); 11673 if (ps.pkg != null) { 11674 int v = ps.pkg.applicationInfo.targetSdkVersion; 11675 if (v < vers) vers = v; 11676 } 11677 } 11678 return vers; 11679 } else if (obj instanceof PackageSetting) { 11680 final PackageSetting ps = (PackageSetting) obj; 11681 if (ps.pkg != null) { 11682 return ps.pkg.applicationInfo.targetSdkVersion; 11683 } 11684 } 11685 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11686 } 11687 11688 @Override 11689 public void addPreferredActivity(IntentFilter filter, int match, 11690 ComponentName[] set, ComponentName activity, int userId) { 11691 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11692 "Adding preferred"); 11693 } 11694 11695 private void addPreferredActivityInternal(IntentFilter filter, int match, 11696 ComponentName[] set, ComponentName activity, boolean always, int userId, 11697 String opname) { 11698 // writer 11699 int callingUid = Binder.getCallingUid(); 11700 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11701 if (filter.countActions() == 0) { 11702 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11703 return; 11704 } 11705 synchronized (mPackages) { 11706 if (mContext.checkCallingOrSelfPermission( 11707 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11708 != PackageManager.PERMISSION_GRANTED) { 11709 if (getUidTargetSdkVersionLockedLPr(callingUid) 11710 < Build.VERSION_CODES.FROYO) { 11711 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11712 + callingUid); 11713 return; 11714 } 11715 mContext.enforceCallingOrSelfPermission( 11716 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11717 } 11718 11719 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11720 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11721 + userId + ":"); 11722 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11723 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11724 scheduleWritePackageRestrictionsLocked(userId); 11725 } 11726 } 11727 11728 @Override 11729 public void replacePreferredActivity(IntentFilter filter, int match, 11730 ComponentName[] set, ComponentName activity, int userId) { 11731 if (filter.countActions() != 1) { 11732 throw new IllegalArgumentException( 11733 "replacePreferredActivity expects filter to have only 1 action."); 11734 } 11735 if (filter.countDataAuthorities() != 0 11736 || filter.countDataPaths() != 0 11737 || filter.countDataSchemes() > 1 11738 || filter.countDataTypes() != 0) { 11739 throw new IllegalArgumentException( 11740 "replacePreferredActivity expects filter to have no data authorities, " + 11741 "paths, or types; and at most one scheme."); 11742 } 11743 11744 final int callingUid = Binder.getCallingUid(); 11745 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11746 synchronized (mPackages) { 11747 if (mContext.checkCallingOrSelfPermission( 11748 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11749 != PackageManager.PERMISSION_GRANTED) { 11750 if (getUidTargetSdkVersionLockedLPr(callingUid) 11751 < Build.VERSION_CODES.FROYO) { 11752 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11753 + Binder.getCallingUid()); 11754 return; 11755 } 11756 mContext.enforceCallingOrSelfPermission( 11757 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11758 } 11759 11760 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11761 if (pir != null) { 11762 // Get all of the existing entries that exactly match this filter. 11763 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11764 if (existing != null && existing.size() == 1) { 11765 PreferredActivity cur = existing.get(0); 11766 if (DEBUG_PREFERRED) { 11767 Slog.i(TAG, "Checking replace of preferred:"); 11768 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11769 if (!cur.mPref.mAlways) { 11770 Slog.i(TAG, " -- CUR; not mAlways!"); 11771 } else { 11772 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11773 Slog.i(TAG, " -- CUR: mSet=" 11774 + Arrays.toString(cur.mPref.mSetComponents)); 11775 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11776 Slog.i(TAG, " -- NEW: mMatch=" 11777 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11778 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11779 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11780 } 11781 } 11782 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11783 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11784 && cur.mPref.sameSet(set)) { 11785 // Setting the preferred activity to what it happens to be already 11786 if (DEBUG_PREFERRED) { 11787 Slog.i(TAG, "Replacing with same preferred activity " 11788 + cur.mPref.mShortComponent + " for user " 11789 + userId + ":"); 11790 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11791 } 11792 return; 11793 } 11794 } 11795 11796 if (existing != null) { 11797 if (DEBUG_PREFERRED) { 11798 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11799 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11800 } 11801 for (int i = 0; i < existing.size(); i++) { 11802 PreferredActivity pa = existing.get(i); 11803 if (DEBUG_PREFERRED) { 11804 Slog.i(TAG, "Removing existing preferred activity " 11805 + pa.mPref.mComponent + ":"); 11806 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11807 } 11808 pir.removeFilter(pa); 11809 } 11810 } 11811 } 11812 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11813 "Replacing preferred"); 11814 } 11815 } 11816 11817 @Override 11818 public void clearPackagePreferredActivities(String packageName) { 11819 final int uid = Binder.getCallingUid(); 11820 // writer 11821 synchronized (mPackages) { 11822 PackageParser.Package pkg = mPackages.get(packageName); 11823 if (pkg == null || pkg.applicationInfo.uid != uid) { 11824 if (mContext.checkCallingOrSelfPermission( 11825 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11826 != PackageManager.PERMISSION_GRANTED) { 11827 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11828 < Build.VERSION_CODES.FROYO) { 11829 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11830 + Binder.getCallingUid()); 11831 return; 11832 } 11833 mContext.enforceCallingOrSelfPermission( 11834 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11835 } 11836 } 11837 11838 int user = UserHandle.getCallingUserId(); 11839 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11840 scheduleWritePackageRestrictionsLocked(user); 11841 } 11842 } 11843 } 11844 11845 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11846 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11847 ArrayList<PreferredActivity> removed = null; 11848 boolean changed = false; 11849 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11850 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11851 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11852 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11853 continue; 11854 } 11855 Iterator<PreferredActivity> it = pir.filterIterator(); 11856 while (it.hasNext()) { 11857 PreferredActivity pa = it.next(); 11858 // Mark entry for removal only if it matches the package name 11859 // and the entry is of type "always". 11860 if (packageName == null || 11861 (pa.mPref.mComponent.getPackageName().equals(packageName) 11862 && pa.mPref.mAlways)) { 11863 if (removed == null) { 11864 removed = new ArrayList<PreferredActivity>(); 11865 } 11866 removed.add(pa); 11867 } 11868 } 11869 if (removed != null) { 11870 for (int j=0; j<removed.size(); j++) { 11871 PreferredActivity pa = removed.get(j); 11872 pir.removeFilter(pa); 11873 } 11874 changed = true; 11875 } 11876 } 11877 return changed; 11878 } 11879 11880 @Override 11881 public void resetPreferredActivities(int userId) { 11882 /* TODO: Actually use userId. Why is it being passed in? */ 11883 mContext.enforceCallingOrSelfPermission( 11884 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11885 // writer 11886 synchronized (mPackages) { 11887 int user = UserHandle.getCallingUserId(); 11888 clearPackagePreferredActivitiesLPw(null, user); 11889 mSettings.readDefaultPreferredAppsLPw(this, user); 11890 scheduleWritePackageRestrictionsLocked(user); 11891 } 11892 } 11893 11894 @Override 11895 public int getPreferredActivities(List<IntentFilter> outFilters, 11896 List<ComponentName> outActivities, String packageName) { 11897 11898 int num = 0; 11899 final int userId = UserHandle.getCallingUserId(); 11900 // reader 11901 synchronized (mPackages) { 11902 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11903 if (pir != null) { 11904 final Iterator<PreferredActivity> it = pir.filterIterator(); 11905 while (it.hasNext()) { 11906 final PreferredActivity pa = it.next(); 11907 if (packageName == null 11908 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11909 && pa.mPref.mAlways)) { 11910 if (outFilters != null) { 11911 outFilters.add(new IntentFilter(pa)); 11912 } 11913 if (outActivities != null) { 11914 outActivities.add(pa.mPref.mComponent); 11915 } 11916 } 11917 } 11918 } 11919 } 11920 11921 return num; 11922 } 11923 11924 @Override 11925 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11926 int userId) { 11927 int callingUid = Binder.getCallingUid(); 11928 if (callingUid != Process.SYSTEM_UID) { 11929 throw new SecurityException( 11930 "addPersistentPreferredActivity can only be run by the system"); 11931 } 11932 if (filter.countActions() == 0) { 11933 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11934 return; 11935 } 11936 synchronized (mPackages) { 11937 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11938 " :"); 11939 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11940 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11941 new PersistentPreferredActivity(filter, activity)); 11942 scheduleWritePackageRestrictionsLocked(userId); 11943 } 11944 } 11945 11946 @Override 11947 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11948 int callingUid = Binder.getCallingUid(); 11949 if (callingUid != Process.SYSTEM_UID) { 11950 throw new SecurityException( 11951 "clearPackagePersistentPreferredActivities can only be run by the system"); 11952 } 11953 ArrayList<PersistentPreferredActivity> removed = null; 11954 boolean changed = false; 11955 synchronized (mPackages) { 11956 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11957 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11958 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11959 .valueAt(i); 11960 if (userId != thisUserId) { 11961 continue; 11962 } 11963 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11964 while (it.hasNext()) { 11965 PersistentPreferredActivity ppa = it.next(); 11966 // Mark entry for removal only if it matches the package name. 11967 if (ppa.mComponent.getPackageName().equals(packageName)) { 11968 if (removed == null) { 11969 removed = new ArrayList<PersistentPreferredActivity>(); 11970 } 11971 removed.add(ppa); 11972 } 11973 } 11974 if (removed != null) { 11975 for (int j=0; j<removed.size(); j++) { 11976 PersistentPreferredActivity ppa = removed.get(j); 11977 ppir.removeFilter(ppa); 11978 } 11979 changed = true; 11980 } 11981 } 11982 11983 if (changed) { 11984 scheduleWritePackageRestrictionsLocked(userId); 11985 } 11986 } 11987 } 11988 11989 @Override 11990 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11991 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11992 mContext.enforceCallingOrSelfPermission( 11993 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11994 int callingUid = Binder.getCallingUid(); 11995 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11996 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11997 if (intentFilter.countActions() == 0) { 11998 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11999 return; 12000 } 12001 synchronized (mPackages) { 12002 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 12003 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 12004 CrossProfileIntentResolver resolver = 12005 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12006 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 12007 // We have all those whose filter is equal. Now checking if the rest is equal as well. 12008 if (existing != null) { 12009 int size = existing.size(); 12010 for (int i = 0; i < size; i++) { 12011 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 12012 return; 12013 } 12014 } 12015 } 12016 resolver.addFilter(newFilter); 12017 scheduleWritePackageRestrictionsLocked(sourceUserId); 12018 } 12019 } 12020 12021 @Override 12022 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 12023 int ownerUserId) { 12024 mContext.enforceCallingOrSelfPermission( 12025 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12026 int callingUid = Binder.getCallingUid(); 12027 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 12028 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12029 int callingUserId = UserHandle.getUserId(callingUid); 12030 synchronized (mPackages) { 12031 CrossProfileIntentResolver resolver = 12032 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12033 ArraySet<CrossProfileIntentFilter> set = 12034 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 12035 for (CrossProfileIntentFilter filter : set) { 12036 if (filter.getOwnerPackage().equals(ownerPackage) 12037 && filter.getOwnerUserId() == callingUserId) { 12038 resolver.removeFilter(filter); 12039 } 12040 } 12041 scheduleWritePackageRestrictionsLocked(sourceUserId); 12042 } 12043 } 12044 12045 // Enforcing that callingUid is owning pkg on userId 12046 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 12047 // The system owns everything. 12048 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 12049 return; 12050 } 12051 int callingUserId = UserHandle.getUserId(callingUid); 12052 if (callingUserId != userId) { 12053 throw new SecurityException("calling uid " + callingUid 12054 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 12055 + callingUserId); 12056 } 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 mSettings.writePackageRestrictionsLPr(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), isForwardLocked(ps)); 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 (isForwardLocked(pkg)) { 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 @Override 13412 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13413 mContext.enforceCallingOrSelfPermission( 13414 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13415 "Only package verification agents can read the verifier device identity"); 13416 13417 synchronized (mPackages) { 13418 return mSettings.getVerifierDeviceIdentityLPw(); 13419 } 13420 } 13421 13422 @Override 13423 public void setPermissionEnforced(String permission, boolean enforced) { 13424 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13425 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13426 synchronized (mPackages) { 13427 if (mSettings.mReadExternalStorageEnforced == null 13428 || mSettings.mReadExternalStorageEnforced != enforced) { 13429 mSettings.mReadExternalStorageEnforced = enforced; 13430 mSettings.writeLPr(); 13431 } 13432 } 13433 // kill any non-foreground processes so we restart them and 13434 // grant/revoke the GID. 13435 final IActivityManager am = ActivityManagerNative.getDefault(); 13436 if (am != null) { 13437 final long token = Binder.clearCallingIdentity(); 13438 try { 13439 am.killProcessesBelowForeground("setPermissionEnforcement"); 13440 } catch (RemoteException e) { 13441 } finally { 13442 Binder.restoreCallingIdentity(token); 13443 } 13444 } 13445 } else { 13446 throw new IllegalArgumentException("No selective enforcement for " + permission); 13447 } 13448 } 13449 13450 @Override 13451 @Deprecated 13452 public boolean isPermissionEnforced(String permission) { 13453 return true; 13454 } 13455 13456 @Override 13457 public boolean isStorageLow() { 13458 final long token = Binder.clearCallingIdentity(); 13459 try { 13460 final DeviceStorageMonitorInternal 13461 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13462 if (dsm != null) { 13463 return dsm.isMemoryLow(); 13464 } else { 13465 return false; 13466 } 13467 } finally { 13468 Binder.restoreCallingIdentity(token); 13469 } 13470 } 13471 13472 @Override 13473 public IPackageInstaller getPackageInstaller() { 13474 return mInstallerService; 13475 } 13476 13477 private boolean userNeedsBadging(int userId) { 13478 int index = mUserNeedsBadging.indexOfKey(userId); 13479 if (index < 0) { 13480 final UserInfo userInfo; 13481 final long token = Binder.clearCallingIdentity(); 13482 try { 13483 userInfo = sUserManager.getUserInfo(userId); 13484 } finally { 13485 Binder.restoreCallingIdentity(token); 13486 } 13487 final boolean b; 13488 if (userInfo != null && userInfo.isManagedProfile()) { 13489 b = true; 13490 } else { 13491 b = false; 13492 } 13493 mUserNeedsBadging.put(userId, b); 13494 return b; 13495 } 13496 return mUserNeedsBadging.valueAt(index); 13497 } 13498 13499 @Override 13500 public KeySet getKeySetByAlias(String packageName, String alias) { 13501 if (packageName == null || alias == null) { 13502 return null; 13503 } 13504 synchronized(mPackages) { 13505 final PackageParser.Package pkg = mPackages.get(packageName); 13506 if (pkg == null) { 13507 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13508 throw new IllegalArgumentException("Unknown package: " + packageName); 13509 } 13510 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13511 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13512 } 13513 } 13514 13515 @Override 13516 public KeySet getSigningKeySet(String packageName) { 13517 if (packageName == null) { 13518 return null; 13519 } 13520 synchronized(mPackages) { 13521 final PackageParser.Package pkg = mPackages.get(packageName); 13522 if (pkg == null) { 13523 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13524 throw new IllegalArgumentException("Unknown package: " + packageName); 13525 } 13526 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13527 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13528 throw new SecurityException("May not access signing KeySet of other apps."); 13529 } 13530 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13531 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13532 } 13533 } 13534 13535 @Override 13536 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13537 if (packageName == null || ks == null) { 13538 return false; 13539 } 13540 synchronized(mPackages) { 13541 final PackageParser.Package pkg = mPackages.get(packageName); 13542 if (pkg == null) { 13543 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13544 throw new IllegalArgumentException("Unknown package: " + packageName); 13545 } 13546 IBinder ksh = ks.getToken(); 13547 if (ksh instanceof KeySetHandle) { 13548 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13549 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13550 } 13551 return false; 13552 } 13553 } 13554 13555 @Override 13556 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13557 if (packageName == null || ks == null) { 13558 return false; 13559 } 13560 synchronized(mPackages) { 13561 final PackageParser.Package pkg = mPackages.get(packageName); 13562 if (pkg == null) { 13563 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13564 throw new IllegalArgumentException("Unknown package: " + packageName); 13565 } 13566 IBinder ksh = ks.getToken(); 13567 if (ksh instanceof KeySetHandle) { 13568 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13569 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13570 } 13571 return false; 13572 } 13573 } 13574 13575 public void getUsageStatsIfNoPackageUsageInfo() { 13576 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13577 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13578 if (usm == null) { 13579 throw new IllegalStateException("UsageStatsManager must be initialized"); 13580 } 13581 long now = System.currentTimeMillis(); 13582 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13583 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13584 String packageName = entry.getKey(); 13585 PackageParser.Package pkg = mPackages.get(packageName); 13586 if (pkg == null) { 13587 continue; 13588 } 13589 UsageStats usage = entry.getValue(); 13590 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13591 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13592 } 13593 } 13594 } 13595 13596 /** 13597 * Check and throw if the given before/after packages would be considered a 13598 * downgrade. 13599 */ 13600 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13601 throws PackageManagerException { 13602 if (after.versionCode < before.mVersionCode) { 13603 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13604 "Update version code " + after.versionCode + " is older than current " 13605 + before.mVersionCode); 13606 } else if (after.versionCode == before.mVersionCode) { 13607 if (after.baseRevisionCode < before.baseRevisionCode) { 13608 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13609 "Update base revision code " + after.baseRevisionCode 13610 + " is older than current " + before.baseRevisionCode); 13611 } 13612 13613 if (!ArrayUtils.isEmpty(after.splitNames)) { 13614 for (int i = 0; i < after.splitNames.length; i++) { 13615 final String splitName = after.splitNames[i]; 13616 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13617 if (j != -1) { 13618 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13619 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13620 "Update split " + splitName + " revision code " 13621 + after.splitRevisionCodes[i] + " is older than current " 13622 + before.splitRevisionCodes[j]); 13623 } 13624 } 13625 } 13626 } 13627 } 13628 } 13629} 13630